diff --git a/libcxx/test/libcxx/strings/basic.string/alignof.compile.pass.cpp b/libcxx/test/libcxx/strings/basic.string/alignof.compile.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/alignof.compile.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/alignof.compile.pass.cpp
@@ -24,9 +24,9 @@
 template <class T>
 class small_iter_allocator {
 public:
-  using value_type = T;
-  using pointer = small_pointer<T>;
-  using size_type = int16_t;
+  using value_type      = T;
+  using pointer         = small_pointer<T>;
+  using size_type       = int16_t;
   using difference_type = int16_t;
 
   small_iter_allocator() TEST_NOEXCEPT {}
diff --git a/libcxx/test/libcxx/strings/basic.string/sizeof.compile.pass.cpp b/libcxx/test/libcxx/strings/basic.string/sizeof.compile.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/sizeof.compile.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/sizeof.compile.pass.cpp
@@ -22,9 +22,9 @@
 template <class T>
 class small_iter_allocator {
 public:
-  using value_type = T;
-  using pointer = small_pointer<T>;
-  using size_type = int16_t;
+  using value_type      = T;
+  using pointer         = small_pointer<T>;
+  using size_type       = int16_t;
   using difference_type = int16_t;
 
   small_iter_allocator() TEST_NOEXCEPT {}
diff --git a/libcxx/test/libcxx/strings/basic.string/string.capacity/PR53170.pass.cpp b/libcxx/test/libcxx/strings/basic.string/string.capacity/PR53170.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/string.capacity/PR53170.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/string.capacity/PR53170.pass.cpp
@@ -34,52 +34,52 @@
 
 template <class S>
 TEST_CONSTEXPR_CXX20 bool test() {
-    // Test that a call to reserve() does shrink the string.
-    if (!TEST_IS_CONSTANT_EVALUATED) {
-        S s(1000, 'a');
-        typename S::size_type old_cap = s.capacity();
-        s.resize(20);
-        assert(s.capacity() == old_cap);
-
-        s.reserve();
-        assert(s.capacity() < old_cap);
-    }
-
-    // Test that a call to reserve(smaller-than-capacity) never shrinks the string.
-    {
-        S s(1000, 'a');
-        typename S::size_type old_cap = s.capacity();
-        s.resize(20);
-        assert(s.capacity() == old_cap);
-
-        s.reserve(10);
-        assert(s.capacity() == old_cap);
-    }
-
-    // In particular, test that reserve(0) does NOT shrink the string.
-    {
-        S s(1000, 'a');
-        typename S::size_type old_cap = s.capacity();
-        s.resize(20);
-        assert(s.capacity() == old_cap);
-
-        s.reserve(0);
-        assert(s.capacity() == old_cap);
-    }
-
-    return true;
+  // Test that a call to reserve() does shrink the string.
+  if (!TEST_IS_CONSTANT_EVALUATED) {
+    S s(1000, 'a');
+    typename S::size_type old_cap = s.capacity();
+    s.resize(20);
+    assert(s.capacity() == old_cap);
+
+    s.reserve();
+    assert(s.capacity() < old_cap);
+  }
+
+  // Test that a call to reserve(smaller-than-capacity) never shrinks the string.
+  {
+    S s(1000, 'a');
+    typename S::size_type old_cap = s.capacity();
+    s.resize(20);
+    assert(s.capacity() == old_cap);
+
+    s.reserve(10);
+    assert(s.capacity() == old_cap);
+  }
+
+  // In particular, test that reserve(0) does NOT shrink the string.
+  {
+    S s(1000, 'a');
+    typename S::size_type old_cap = s.capacity();
+    s.resize(20);
+    assert(s.capacity() == old_cap);
+
+    s.reserve(0);
+    assert(s.capacity() == old_cap);
+  }
+
+  return true;
 }
 
 int main(int, char**) {
-    test<std::string>();
+  test<std::string>();
 
 #if TEST_STD_VER >= 11
-    test<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >();
+  test<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >();
 #endif
 
 #if TEST_STD_VER > 17
-    static_assert(test<std::string>());
+  static_assert(test<std::string>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp b/libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
@@ -63,32 +63,31 @@
 }
 
 TEST_CONSTEXPR_CXX20 bool test() {
-
 #if _LIBCPP_ABI_VERSION == 1
 
-# if defined(__x86_64__) || defined(__i386__)
+#  if defined(__x86_64__) || defined(__i386__)
   full_size();
-# elif defined(__APPLE__) && defined(__aarch64__)
+#  elif defined(__APPLE__) && defined(__aarch64__)
   half_size();
-# elif defined(__arm__) || defined(__aarch64__)
-#   ifdef __BIG_ENDIAN__
+#  elif defined(__arm__) || defined(__aarch64__)
+#    ifdef __BIG_ENDIAN__
   half_size();
-#   else
+#    else
   full_size();
-#   endif
-# elif defined(__powerpc__) || defined(__powerpc64__)
-#   ifdef __BIG_ENDIAN__
+#    endif
+#  elif defined(__powerpc__) || defined(__powerpc64__)
+#    ifdef __BIG_ENDIAN__
   half_size();
-#   else
+#    else
   full_size();
-#   endif
-# elif defined(__sparc64__)
+#    endif
+#  elif defined(__sparc64__)
   half_size();
-# elif defined(_WIN32)
+#  elif defined(_WIN32)
   full_size();
-# else
-#   error "Your target system seems to be unsupported."
-# endif
+#  else
+#    error "Your target system seems to be unsupported."
+#  endif
 
 #else
 
diff --git a/libcxx/test/libcxx/strings/basic.string/string.cons/copy_shrunk_long.pass.cpp b/libcxx/test/libcxx/strings/basic.string/string.cons/copy_shrunk_long.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/string.cons/copy_shrunk_long.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/string.cons/copy_shrunk_long.pass.cpp
@@ -18,8 +18,7 @@
 #include "min_allocator.h"
 
 template <class S>
-TEST_CONSTEXPR_CXX20 bool test()
-{
+TEST_CONSTEXPR_CXX20 bool test() {
   // Tests that a long string holding a SSO size string results in
   // an SSO copy constructed value.
   S s1("1234567890123456789012345678901234567890123456789012345678901234567890");
@@ -32,8 +31,7 @@
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test<std::basic_string<char, std::char_traits<char>, test_allocator<char> > >();
 #if TEST_STD_VER >= 11
   test<std::basic_string<char, std::char_traits<char>, min_allocator<char>>>();
diff --git a/libcxx/test/libcxx/strings/basic.string/string.modifiers/clear_and_shrink.pass.cpp b/libcxx/test/libcxx/strings/basic.string/string.modifiers/clear_and_shrink.pass.cpp
--- a/libcxx/test/libcxx/strings/basic.string/string.modifiers/clear_and_shrink.pass.cpp
+++ b/libcxx/test/libcxx/strings/basic.string/string.modifiers/clear_and_shrink.pass.cpp
@@ -35,8 +35,7 @@
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/libcxx/strings/c.strings/version_cctype.pass.cpp b/libcxx/test/libcxx/strings/c.strings/version_cctype.pass.cpp
--- a/libcxx/test/libcxx/strings/c.strings/version_cctype.pass.cpp
+++ b/libcxx/test/libcxx/strings/c.strings/version_cctype.pass.cpp
@@ -13,11 +13,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/libcxx/strings/c.strings/version_cstring.pass.cpp b/libcxx/test/libcxx/strings/c.strings/version_cstring.pass.cpp
--- a/libcxx/test/libcxx/strings/c.strings/version_cstring.pass.cpp
+++ b/libcxx/test/libcxx/strings/c.strings/version_cstring.pass.cpp
@@ -13,11 +13,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/libcxx/strings/c.strings/version_cuchar.pass.cpp b/libcxx/test/libcxx/strings/c.strings/version_cuchar.pass.cpp
--- a/libcxx/test/libcxx/strings/c.strings/version_cuchar.pass.cpp
+++ b/libcxx/test/libcxx/strings/c.strings/version_cuchar.pass.cpp
@@ -18,11 +18,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/libcxx/strings/c.strings/version_cwchar.pass.cpp b/libcxx/test/libcxx/strings/c.strings/version_cwchar.pass.cpp
--- a/libcxx/test/libcxx/strings/c.strings/version_cwchar.pass.cpp
+++ b/libcxx/test/libcxx/strings/c.strings/version_cwchar.pass.cpp
@@ -15,11 +15,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/libcxx/strings/c.strings/version_cwctype.pass.cpp b/libcxx/test/libcxx/strings/c.strings/version_cwctype.pass.cpp
--- a/libcxx/test/libcxx/strings/c.strings/version_cwctype.pass.cpp
+++ b/libcxx/test/libcxx/strings/c.strings/version_cwctype.pass.cpp
@@ -15,11 +15,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/libcxx/strings/char.traits/char.traits.specializations/arbitrary_char_type.pass.cpp b/libcxx/test/libcxx/strings/char.traits/char.traits.specializations/arbitrary_char_type.pass.cpp
--- a/libcxx/test/libcxx/strings/char.traits/char.traits.specializations/arbitrary_char_type.pass.cpp
+++ b/libcxx/test/libcxx/strings/char.traits/char.traits.specializations/arbitrary_char_type.pass.cpp
@@ -22,124 +22,123 @@
 
 template <class Char>
 TEST_CONSTEXPR_CXX20 bool test() {
-    static_assert(std::is_same<typename std::char_traits<Char>::char_type, Char>::value, "");
-    static_assert(std::is_same<typename std::char_traits<Char>::int_type, int>::value, "");
-    static_assert(std::is_same<typename std::char_traits<Char>::off_type, std::streamoff>::value, "");
-    static_assert(std::is_same<typename std::char_traits<Char>::pos_type, std::streampos>::value, "");
-    static_assert(std::is_same<typename std::char_traits<Char>::state_type, std::mbstate_t>::value, "");
-
-    assert(std::char_traits<Char>::to_int_type(Char('a')) == Char('a'));
-    assert(std::char_traits<Char>::to_int_type(Char('A')) == Char('A'));
-    assert(std::char_traits<Char>::to_int_type(0) == 0);
-
-    assert(std::char_traits<Char>::to_char_type(Char('a')) == Char('a'));
-    assert(std::char_traits<Char>::to_char_type(Char('A')) == Char('A'));
-    assert(std::char_traits<Char>::to_char_type(0) == 0);
-
-    assert(std::char_traits<Char>::eof() == EOF);
-
-    assert(std::char_traits<Char>::not_eof(Char('a')) == Char('a'));
-    assert(std::char_traits<Char>::not_eof(Char('A')) == Char('A'));
-    assert(std::char_traits<Char>::not_eof(0) == 0);
-    assert(std::char_traits<Char>::not_eof(std::char_traits<Char>::eof()) !=
-           std::char_traits<Char>::eof());
-
-    assert(std::char_traits<Char>::lt(Char('\0'), Char('A')) == (Char('\0') < Char('A')));
-    assert(std::char_traits<Char>::lt(Char('A'), Char('\0')) == (Char('A') < Char('\0')));
-    assert(std::char_traits<Char>::lt(Char('a'), Char('a')) == (Char('a') < Char('a')));
-    assert(std::char_traits<Char>::lt(Char('A'), Char('a')) == (Char('A') < Char('a')));
-    assert(std::char_traits<Char>::lt(Char('a'), Char('A')) == (Char('a') < Char('A')));
-
-    assert( std::char_traits<Char>::eq(Char('a'), Char('a')));
-    assert(!std::char_traits<Char>::eq(Char('a'), Char('A')));
-
-    assert( std::char_traits<Char>::eq_int_type(Char('a'), Char('a')));
-    assert(!std::char_traits<Char>::eq_int_type(Char('a'), Char('A')));
-    assert(!std::char_traits<Char>::eq_int_type(std::char_traits<Char>::eof(), Char('A')));
-    assert( std::char_traits<Char>::eq_int_type(std::char_traits<Char>::eof(), std::char_traits<Char>::eof()));
-
-    {
-        Char s1[] = {1, 2, 3, 0};
-        Char s2[] = {0};
-        assert(std::char_traits<Char>::length(s1) == 3);
-        assert(std::char_traits<Char>::length(s2) == 0);
-    }
-
-    {
-        Char s1[] = {1, 2, 3};
-        assert(std::char_traits<Char>::find(s1, 3, Char(1)) == s1);
-        assert(std::char_traits<Char>::find(s1, 3, Char(2)) == s1+1);
-        assert(std::char_traits<Char>::find(s1, 3, Char(3)) == s1+2);
-        assert(std::char_traits<Char>::find(s1, 3, Char(4)) == 0);
-        assert(std::char_traits<Char>::find(s1, 3, Char(0)) == 0);
-        assert(std::char_traits<Char>::find(NULL, 0, Char(0)) == 0);
-    }
-
-    {
-        Char s1[] = {1, 2, 3};
-        Char s2[3] = {0};
-        assert(std::char_traits<Char>::copy(s2, s1, 3) == s2);
-        assert(s2[0] == Char(1));
-        assert(s2[1] == Char(2));
-        assert(s2[2] == Char(3));
-        assert(std::char_traits<Char>::copy(NULL, s1, 0) == NULL);
-        assert(std::char_traits<Char>::copy(s1, NULL, 0) == s1);
-    }
-
-    {
-        Char s1[] = {1, 2, 3};
-        assert(std::char_traits<Char>::move(s1, s1+1, 2) == s1);
-        assert(s1[0] == Char(2));
-        assert(s1[1] == Char(3));
-        assert(s1[2] == Char(3));
-        s1[2] = Char(0);
-        assert(std::char_traits<Char>::move(s1+1, s1, 2) == s1+1);
-        assert(s1[0] == Char(2));
-        assert(s1[1] == Char(2));
-        assert(s1[2] == Char(3));
-        assert(std::char_traits<Char>::move(NULL, s1, 0) == NULL);
-        assert(std::char_traits<Char>::move(s1, NULL, 0) == s1);
-    }
-
-    {
-        Char s1[] = {0};
-        assert(std::char_traits<Char>::compare(s1, s1, 0) == 0);
-        assert(std::char_traits<Char>::compare(NULL, NULL, 0) == 0);
-
-        Char s2[] = {1, 0};
-        Char s3[] = {2, 0};
-        assert(std::char_traits<Char>::compare(s2, s2, 1) == 0);
-        assert(std::char_traits<Char>::compare(s2, s3, 1) < 0);
-        assert(std::char_traits<Char>::compare(s3, s2, 1) > 0);
-    }
-
-    {
-        Char s2[3] = {0};
-        assert(std::char_traits<Char>::assign(s2, 3, Char(5)) == s2);
-        assert(s2[0] == Char(5));
-        assert(s2[1] == Char(5));
-        assert(s2[2] == Char(5));
-        assert(std::char_traits<Char>::assign(NULL, 0, Char(5)) == NULL);
-    }
-
-    {
-        Char c = Char('\0');
-        std::char_traits<Char>::assign(c, Char('a'));
-        assert(c == Char('a'));
-    }
-
-    return true;
+  static_assert(std::is_same<typename std::char_traits<Char>::char_type, Char>::value, "");
+  static_assert(std::is_same<typename std::char_traits<Char>::int_type, int>::value, "");
+  static_assert(std::is_same<typename std::char_traits<Char>::off_type, std::streamoff>::value, "");
+  static_assert(std::is_same<typename std::char_traits<Char>::pos_type, std::streampos>::value, "");
+  static_assert(std::is_same<typename std::char_traits<Char>::state_type, std::mbstate_t>::value, "");
+
+  assert(std::char_traits<Char>::to_int_type(Char('a')) == Char('a'));
+  assert(std::char_traits<Char>::to_int_type(Char('A')) == Char('A'));
+  assert(std::char_traits<Char>::to_int_type(0) == 0);
+
+  assert(std::char_traits<Char>::to_char_type(Char('a')) == Char('a'));
+  assert(std::char_traits<Char>::to_char_type(Char('A')) == Char('A'));
+  assert(std::char_traits<Char>::to_char_type(0) == 0);
+
+  assert(std::char_traits<Char>::eof() == EOF);
+
+  assert(std::char_traits<Char>::not_eof(Char('a')) == Char('a'));
+  assert(std::char_traits<Char>::not_eof(Char('A')) == Char('A'));
+  assert(std::char_traits<Char>::not_eof(0) == 0);
+  assert(std::char_traits<Char>::not_eof(std::char_traits<Char>::eof()) != std::char_traits<Char>::eof());
+
+  assert(std::char_traits<Char>::lt(Char('\0'), Char('A')) == (Char('\0') < Char('A')));
+  assert(std::char_traits<Char>::lt(Char('A'), Char('\0')) == (Char('A') < Char('\0')));
+  assert(std::char_traits<Char>::lt(Char('a'), Char('a')) == (Char('a') < Char('a')));
+  assert(std::char_traits<Char>::lt(Char('A'), Char('a')) == (Char('A') < Char('a')));
+  assert(std::char_traits<Char>::lt(Char('a'), Char('A')) == (Char('a') < Char('A')));
+
+  assert(std::char_traits<Char>::eq(Char('a'), Char('a')));
+  assert(!std::char_traits<Char>::eq(Char('a'), Char('A')));
+
+  assert(std::char_traits<Char>::eq_int_type(Char('a'), Char('a')));
+  assert(!std::char_traits<Char>::eq_int_type(Char('a'), Char('A')));
+  assert(!std::char_traits<Char>::eq_int_type(std::char_traits<Char>::eof(), Char('A')));
+  assert(std::char_traits<Char>::eq_int_type(std::char_traits<Char>::eof(), std::char_traits<Char>::eof()));
+
+  {
+    Char s1[] = {1, 2, 3, 0};
+    Char s2[] = {0};
+    assert(std::char_traits<Char>::length(s1) == 3);
+    assert(std::char_traits<Char>::length(s2) == 0);
+  }
+
+  {
+    Char s1[] = {1, 2, 3};
+    assert(std::char_traits<Char>::find(s1, 3, Char(1)) == s1);
+    assert(std::char_traits<Char>::find(s1, 3, Char(2)) == s1 + 1);
+    assert(std::char_traits<Char>::find(s1, 3, Char(3)) == s1 + 2);
+    assert(std::char_traits<Char>::find(s1, 3, Char(4)) == 0);
+    assert(std::char_traits<Char>::find(s1, 3, Char(0)) == 0);
+    assert(std::char_traits<Char>::find(NULL, 0, Char(0)) == 0);
+  }
+
+  {
+    Char s1[]  = {1, 2, 3};
+    Char s2[3] = {0};
+    assert(std::char_traits<Char>::copy(s2, s1, 3) == s2);
+    assert(s2[0] == Char(1));
+    assert(s2[1] == Char(2));
+    assert(s2[2] == Char(3));
+    assert(std::char_traits<Char>::copy(NULL, s1, 0) == NULL);
+    assert(std::char_traits<Char>::copy(s1, NULL, 0) == s1);
+  }
+
+  {
+    Char s1[] = {1, 2, 3};
+    assert(std::char_traits<Char>::move(s1, s1 + 1, 2) == s1);
+    assert(s1[0] == Char(2));
+    assert(s1[1] == Char(3));
+    assert(s1[2] == Char(3));
+    s1[2] = Char(0);
+    assert(std::char_traits<Char>::move(s1 + 1, s1, 2) == s1 + 1);
+    assert(s1[0] == Char(2));
+    assert(s1[1] == Char(2));
+    assert(s1[2] == Char(3));
+    assert(std::char_traits<Char>::move(NULL, s1, 0) == NULL);
+    assert(std::char_traits<Char>::move(s1, NULL, 0) == s1);
+  }
+
+  {
+    Char s1[] = {0};
+    assert(std::char_traits<Char>::compare(s1, s1, 0) == 0);
+    assert(std::char_traits<Char>::compare(NULL, NULL, 0) == 0);
+
+    Char s2[] = {1, 0};
+    Char s3[] = {2, 0};
+    assert(std::char_traits<Char>::compare(s2, s2, 1) == 0);
+    assert(std::char_traits<Char>::compare(s2, s3, 1) < 0);
+    assert(std::char_traits<Char>::compare(s3, s2, 1) > 0);
+  }
+
+  {
+    Char s2[3] = {0};
+    assert(std::char_traits<Char>::assign(s2, 3, Char(5)) == s2);
+    assert(s2[0] == Char(5));
+    assert(s2[1] == Char(5));
+    assert(s2[2] == Char(5));
+    assert(std::char_traits<Char>::assign(NULL, 0, Char(5)) == NULL);
+  }
+
+  {
+    Char c = Char('\0');
+    std::char_traits<Char>::assign(c, Char('a'));
+    assert(c == Char('a'));
+  }
+
+  return true;
 }
 
 int main(int, char**) {
-    test<unsigned char>();
-    test<signed char>();
-    test<unsigned long>();
+  test<unsigned char>();
+  test<signed char>();
+  test<unsigned long>();
 
 #if TEST_STD_VER > 17
-    static_assert(test<unsigned char>());
-    static_assert(test<signed char>());
-    static_assert(test<unsigned long>());
+  static_assert(test<unsigned char>());
+  static_assert(test<signed char>());
+  static_assert(test<unsigned long>());
 #endif
 
   return 0;
diff --git a/libcxx/test/libcxx/strings/string.view/assert.ctor.pointer.pass.cpp b/libcxx/test/libcxx/strings/string.view/assert.ctor.pointer.pass.cpp
--- a/libcxx/test/libcxx/strings/string.view/assert.ctor.pointer.pass.cpp
+++ b/libcxx/test/libcxx/strings/string.view/assert.ctor.pointer.pass.cpp
@@ -21,15 +21,22 @@
 #include "check_assertion.h"
 
 int main(int, char**) {
-  TEST_LIBCPP_ASSERT_FAILURE(std::string_view((char const*)NULL), "null pointer passed to non-null argument of char_traits<...>::length");
-  TEST_LIBCPP_ASSERT_FAILURE(std::string_view((char const*)nullptr), "null pointer passed to non-null argument of char_traits<...>::length");
-  TEST_LIBCPP_ASSERT_FAILURE(std::string_view((char const*)0), "null pointer passed to non-null argument of char_traits<...>::length");
+  TEST_LIBCPP_ASSERT_FAILURE(
+      std::string_view((char const*)NULL), "null pointer passed to non-null argument of char_traits<...>::length");
+  TEST_LIBCPP_ASSERT_FAILURE(
+      std::string_view((char const*)nullptr), "null pointer passed to non-null argument of char_traits<...>::length");
+  TEST_LIBCPP_ASSERT_FAILURE(
+      std::string_view((char const*)0), "null pointer passed to non-null argument of char_traits<...>::length");
   {
     std::string_view v;
-    TEST_LIBCPP_ASSERT_FAILURE(v == (char const*)nullptr, "null pointer passed to non-null argument of char_traits<...>::length");
-    TEST_LIBCPP_ASSERT_FAILURE(v == (char const*)NULL, "null pointer passed to non-null argument of char_traits<...>::length");
-    TEST_LIBCPP_ASSERT_FAILURE((char const*)nullptr == v, "null pointer passed to non-null argument of char_traits<...>::length");
-    TEST_LIBCPP_ASSERT_FAILURE((char const*)NULL == v, "null pointer passed to non-null argument of char_traits<...>::length");
+    TEST_LIBCPP_ASSERT_FAILURE(
+        v == (char const*)nullptr, "null pointer passed to non-null argument of char_traits<...>::length");
+    TEST_LIBCPP_ASSERT_FAILURE(
+        v == (char const*)NULL, "null pointer passed to non-null argument of char_traits<...>::length");
+    TEST_LIBCPP_ASSERT_FAILURE(
+        (char const*)nullptr == v, "null pointer passed to non-null argument of char_traits<...>::length");
+    TEST_LIBCPP_ASSERT_FAILURE(
+        (char const*)NULL == v, "null pointer passed to non-null argument of char_traits<...>::length");
   }
 
   return 0;
diff --git a/libcxx/test/libcxx/strings/version.pass.cpp b/libcxx/test/libcxx/strings/version.pass.cpp
--- a/libcxx/test/libcxx/strings/version.pass.cpp
+++ b/libcxx/test/libcxx/strings/version.pass.cpp
@@ -13,11 +13,7 @@
 #include "test_macros.h"
 
 #ifndef _LIBCPP_VERSION
-#error _LIBCPP_VERSION not defined
+#  error _LIBCPP_VERSION not defined
 #endif
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/std/strings/basic.string.hash/char_type_hash.fail.cpp b/libcxx/test/std/strings/basic.string.hash/char_type_hash.fail.cpp
--- a/libcxx/test/std/strings/basic.string.hash/char_type_hash.fail.cpp
+++ b/libcxx/test/std/strings/basic.string.hash/char_type_hash.fail.cpp
@@ -6,7 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-
 // UNSUPPORTED: c++03
 
 // <string>
@@ -21,57 +20,50 @@
 template <class _CharT>
 struct trait // copied from <__string>
 {
-    typedef _CharT         char_type;
-    typedef int            int_type;
-    typedef std::streamoff off_type;
-    typedef std::streampos pos_type;
-    typedef std::mbstate_t state_type;
+  typedef _CharT char_type;
+  typedef int int_type;
+  typedef std::streamoff off_type;
+  typedef std::streampos pos_type;
+  typedef std::mbstate_t state_type;
 
-    static inline void assign(char_type& __c1, const char_type& __c2) {
-        __c1 = __c2;
-    }
-    static inline bool eq(char_type __c1, char_type __c2) { return __c1 == __c2; }
-    static inline bool lt(char_type __c1, char_type __c2) { return __c1 < __c2; }
+  static inline void assign(char_type& __c1, const char_type& __c2) { __c1 = __c2; }
+  static inline bool eq(char_type __c1, char_type __c2) { return __c1 == __c2; }
+  static inline bool lt(char_type __c1, char_type __c2) { return __c1 < __c2; }
 
-    static int compare(const char_type* __s1, const char_type* __s2, size_t __n);
-    static size_t length(const char_type* __s);
-    static const char_type* find(const char_type* __s, size_t __n,
-                                 const char_type& __a);
+  static int compare(const char_type* __s1, const char_type* __s2, size_t __n);
+  static size_t length(const char_type* __s);
+  static const char_type* find(const char_type* __s, size_t __n, const char_type& __a);
 
-    static char_type* move(char_type* __s1, const char_type* __s2, size_t __n);
-    static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n);
-    static char_type* assign(char_type* __s, size_t __n, char_type __a);
+  static char_type* move(char_type* __s1, const char_type* __s2, size_t __n);
+  static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n);
+  static char_type* assign(char_type* __s, size_t __n, char_type __a);
 
-    static inline int_type not_eof(int_type __c) {
-        return eq_int_type(__c, eof()) ? ~eof() : __c;
-    }
-    static inline char_type to_char_type(int_type __c) { return char_type(__c); }
-    static inline int_type to_int_type(char_type __c) { return int_type(__c); }
-    static inline bool eq_int_type(int_type __c1, int_type __c2) {
-        return __c1 == __c2;
-    }
-    static inline int_type eof() { return int_type(EOF); }
+  static inline int_type not_eof(int_type __c) { return eq_int_type(__c, eof()) ? ~eof() : __c; }
+  static inline char_type to_char_type(int_type __c) { return char_type(__c); }
+  static inline int_type to_int_type(char_type __c) { return int_type(__c); }
+  static inline bool eq_int_type(int_type __c1, int_type __c2) { return __c1 == __c2; }
+  static inline int_type eof() { return int_type(EOF); }
 };
 
 template <class CharT>
 void test() {
-    typedef std::basic_string<CharT, trait<CharT> > str_t;
-    std::hash<str_t>
-        h; // expected-error-re 4 {{{{call to implicitly-deleted default constructor of 'std::hash<str_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
+  typedef std::basic_string<CharT, trait<CharT> > str_t;
+  std::hash<str_t>
+      h; // expected-error-re 4 {{{{call to implicitly-deleted default constructor of 'std::hash<str_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
-    // expected-error-re@-2 {{{{call to implicitly-deleted default constructor of 'std::hash<str_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
+  // expected-error-re@-2 {{{{call to implicitly-deleted default constructor of 'std::hash<str_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
 #endif
-    (void)h;
+  (void)h;
 }
 
 int main(int, char**) {
-    test<char>();
-    test<wchar_t>();
+  test<char>();
+  test<wchar_t>();
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
-    test<char8_t>();
+  test<char8_t>();
 #endif
-    test<char16_t>();
-    test<char32_t>();
+  test<char16_t>();
+  test<char32_t>();
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/basic.string.hash/enabled_hashes.pass.cpp b/libcxx/test/std/strings/basic.string.hash/enabled_hashes.pass.cpp
--- a/libcxx/test/std/strings/basic.string.hash/enabled_hashes.pass.cpp
+++ b/libcxx/test/std/strings/basic.string.hash/enabled_hashes.pass.cpp
@@ -36,18 +36,18 @@
   static bool eq(char_type, char_type);
   static bool lt(char_type, char_type);
 
-  static int              compare(const char_type*, const char_type*, size_t);
-  static size_t           length(const char_type*);
+  static int compare(const char_type*, const char_type*, size_t);
+  static size_t length(const char_type*);
   static const char_type* find(const char_type*, size_t, const char_type&);
-  static char_type*       move(char_type*, const char_type*, size_t);
-  static char_type*       copy(char_type*, const char_type*, size_t);
-  static char_type*       assign(char_type*, size_t, char_type);
+  static char_type* move(char_type*, const char_type*, size_t);
+  static char_type* copy(char_type*, const char_type*, size_t);
+  static char_type* assign(char_type*, size_t, char_type);
 
-  static int_type  not_eof(int_type);
+  static int_type not_eof(int_type);
   static char_type to_char_type(int_type);
-  static int_type  to_int_type(char_type);
-  static bool      eq_int_type(int_type, int_type);
-  static int_type  eof();
+  static int_type to_int_type(char_type);
+  static bool eq_int_type(int_type, int_type);
+  static int_type eof();
 };
 
 int main(int, char**) {
diff --git a/libcxx/test/std/strings/basic.string.hash/strings.pass.cpp b/libcxx/test/std/strings/basic.string.hash/strings.pass.cpp
--- a/libcxx/test/std/strings/basic.string.hash/strings.pass.cpp
+++ b/libcxx/test/std/strings/basic.string.hash/strings.pass.cpp
@@ -23,34 +23,31 @@
 #include "test_macros.h"
 
 template <class T>
-void
-test()
-{
-    typedef std::hash<T> H;
+void test() {
+  typedef std::hash<T> H;
 #if TEST_STD_VER <= 14
-    static_assert((std::is_same<typename H::argument_type, T>::value), "" );
-    static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+  static_assert((std::is_same<typename H::argument_type, T>::value), "");
+  static_assert((std::is_same<typename H::result_type, std::size_t>::value), "");
 #endif
-    ASSERT_NOEXCEPT(H()(T()));
-
-    H h;
-    std::string g1 = "1234567890";
-    std::string g2 = "1234567891";
-    T s1(g1.begin(), g1.end());
-    T s2(g2.begin(), g2.end());
-    assert(h(s1) != h(s2));
+  ASSERT_NOEXCEPT(H()(T()));
+
+  H h;
+  std::string g1 = "1234567890";
+  std::string g2 = "1234567891";
+  T s1(g1.begin(), g1.end());
+  T s2(g2.begin(), g2.end());
+  assert(h(s1) != h(s2));
 }
 
-int main(int, char**)
-{
-    test<std::string>();
+int main(int, char**) {
+  test<std::string>();
 #ifndef TEST_HAS_NO_CHAR8_T
-    test<std::u8string>();
+  test<std::u8string>();
 #endif
-    test<std::u16string>();
-    test<std::u32string>();
+  test<std::u16string>();
+  test<std::u32string>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring>();
+  test<std::wstring>();
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/basic.string.literals/literal.pass.cpp b/libcxx/test/std/strings/basic.string.literals/literal.pass.cpp
--- a/libcxx/test/std/strings/basic.string.literals/literal.pass.cpp
+++ b/libcxx/test/std/strings/basic.string.literals/literal.pass.cpp
@@ -14,65 +14,85 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string u8string;
+typedef std::u8string u8string;
 #else
-    typedef std::string   u8string;
+typedef std::string u8string;
 #endif
 
 int main(int, char**) {
-    {
-        using namespace std::literals::string_literals;
+  {
+    using namespace std::literals::string_literals;
 
-        ASSERT_SAME_TYPE(decltype(  "Hi"s), std::string);
-        ASSERT_SAME_TYPE(decltype(u8"Hi"s), u8string);
+    ASSERT_SAME_TYPE(decltype("Hi"s), std::string);
+    ASSERT_SAME_TYPE(decltype(u8"Hi"s), u8string);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        ASSERT_SAME_TYPE(decltype( L"Hi"s), std::wstring);
+    ASSERT_SAME_TYPE(decltype(L"Hi"s), std::wstring);
 #endif
-        ASSERT_SAME_TYPE(decltype( u"Hi"s), std::u16string);
-        ASSERT_SAME_TYPE(decltype( U"Hi"s), std::u32string);
+    ASSERT_SAME_TYPE(decltype(u"Hi"s), std::u16string);
+    ASSERT_SAME_TYPE(decltype(U"Hi"s), std::u32string);
 
-        std::string foo;
+    std::string foo;
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        std::wstring Lfoo;
+    std::wstring Lfoo;
 #endif
-        u8string u8foo;
-        std::u16string ufoo;
-        std::u32string Ufoo;
+    u8string u8foo;
+    std::u16string ufoo;
+    std::u32string Ufoo;
 
-        foo   =   ""s;     assert(  foo.size() == 0);
-        u8foo = u8""s;     assert(u8foo.size() == 0);
+    foo = ""s;
+    assert(foo.size() == 0);
+    u8foo = u8""s;
+    assert(u8foo.size() == 0);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L""s;     assert( Lfoo.size() == 0);
+    Lfoo = L""s;
+    assert(Lfoo.size() == 0);
 #endif
-        ufoo  =  u""s;     assert( ufoo.size() == 0);
-        Ufoo  =  U""s;     assert( Ufoo.size() == 0);
+    ufoo = u""s;
+    assert(ufoo.size() == 0);
+    Ufoo = U""s;
+    assert(Ufoo.size() == 0);
 
-        foo   =   " "s;    assert(  foo.size() == 1);
-        u8foo = u8" "s;    assert(u8foo.size() == 1);
+    foo = " "s;
+    assert(foo.size() == 1);
+    u8foo = u8" "s;
+    assert(u8foo.size() == 1);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L" "s;    assert( Lfoo.size() == 1);
+    Lfoo = L" "s;
+    assert(Lfoo.size() == 1);
 #endif
-        ufoo  =  u" "s;    assert( ufoo.size() == 1);
-        Ufoo  =  U" "s;    assert( Ufoo.size() == 1);
+    ufoo = u" "s;
+    assert(ufoo.size() == 1);
+    Ufoo = U" "s;
+    assert(Ufoo.size() == 1);
 
-        foo   =   "ABC"s;     assert(  foo ==   "ABC");   assert(  foo == std::string   (  "ABC"));
-        u8foo = u8"ABC"s;     assert(u8foo == u8"ABC");   assert(u8foo == u8string      (u8"ABC"));
+    foo = "ABC"s;
+    assert(foo == "ABC");
+    assert(foo == std::string("ABC"));
+    u8foo = u8"ABC"s;
+    assert(u8foo == u8"ABC");
+    assert(u8foo == u8string(u8"ABC"));
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L"ABC"s;     assert( Lfoo ==  L"ABC");   assert( Lfoo == std::wstring  ( L"ABC"));
+    Lfoo = L"ABC"s;
+    assert(Lfoo == L"ABC");
+    assert(Lfoo == std::wstring(L"ABC"));
 #endif
-        ufoo  =  u"ABC"s;     assert( ufoo ==  u"ABC");   assert( ufoo == std::u16string( u"ABC"));
-        Ufoo  =  U"ABC"s;     assert( Ufoo ==  U"ABC");   assert( Ufoo == std::u32string( U"ABC"));
-    }
-    {
-        using namespace std::literals;
-        std::string foo = ""s;
-        assert(foo == std::string());
-    }
-    {
-        using namespace std;
-        std::string foo = ""s;
-        assert(foo == std::string());
-    }
+    ufoo = u"ABC"s;
+    assert(ufoo == u"ABC");
+    assert(ufoo == std::u16string(u"ABC"));
+    Ufoo = U"ABC"s;
+    assert(Ufoo == U"ABC");
+    assert(Ufoo == std::u32string(U"ABC"));
+  }
+  {
+    using namespace std::literals;
+    std::string foo = ""s;
+    assert(foo == std::string());
+  }
+  {
+    using namespace std;
+    std::string foo = ""s;
+    assert(foo == std::string());
+  }
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/basic.string/allocator_mismatch.verify.cpp b/libcxx/test/std/strings/basic.string/allocator_mismatch.verify.cpp
--- a/libcxx/test/std/strings/basic.string/allocator_mismatch.verify.cpp
+++ b/libcxx/test/std/strings/basic.string/allocator_mismatch.verify.cpp
@@ -11,4 +11,5 @@
 
 #include <string>
 
-std::basic_string<char, std::char_traits<char>, std::allocator<int> > s; // expected-error@*:* {{Allocator::value_type must be same type as value_type}}
+std::basic_string<char, std::char_traits<char>, std::allocator<int> >
+    s; // expected-error@*:* {{Allocator::value_type must be same type as value_type}}
diff --git a/libcxx/test/std/strings/basic.string/char.bad.verify.cpp b/libcxx/test/std/strings/basic.string/char.bad.verify.cpp
--- a/libcxx/test/std/strings/basic.string/char.bad.verify.cpp
+++ b/libcxx/test/std/strings/basic.string/char.bad.verify.cpp
@@ -13,39 +13,40 @@
 #include "test_traits.h"
 
 struct NotTrivial {
-    NotTrivial() : value(3) {}
-    int value;
+  NotTrivial() : value(3) {}
+  int value;
 };
 
 struct NotStandardLayout {
 public:
-    NotStandardLayout() : one(1), two(2) {}
-    int sum() const { return one + two; } // silences "unused field 'two' warning"
-    int one;
+  NotStandardLayout() : one(1), two(2) {}
+  int sum() const { return one + two; } // silences "unused field 'two' warning"
+  int one;
+
 private:
-    int two;
+  int two;
 };
 
 void f() {
-    {
-        // array
-        typedef char C[3];
-        static_assert(std::is_array<C>::value, "");
-        std::basic_string<C, test_traits<C> > s;
-        // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must not be an array}}
-    }
-
-    {
-        // not trivial
-        static_assert(!std::is_trivial<NotTrivial>::value, "");
-        std::basic_string<NotTrivial, test_traits<NotTrivial> > s;
-        // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must be trivial}}
-    }
-
-    {
-        // not standard layout
-        static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
-        std::basic_string<NotStandardLayout, test_traits<NotStandardLayout> > s;
-        // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must be standard-layout}}
-    }
+  {
+    // array
+    typedef char C[3];
+    static_assert(std::is_array<C>::value, "");
+    std::basic_string<C, test_traits<C> > s;
+    // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must not be an array}}
+  }
+
+  {
+    // not trivial
+    static_assert(!std::is_trivial<NotTrivial>::value, "");
+    std::basic_string<NotTrivial, test_traits<NotTrivial> > s;
+    // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must be trivial}}
+  }
+
+  {
+    // not standard layout
+    static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
+    std::basic_string<NotStandardLayout, test_traits<NotStandardLayout> > s;
+    // expected-error-re@string:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string must be standard-layout}}
+  }
 }
diff --git a/libcxx/test/std/strings/basic.string/range_concept_conformance.compile.pass.cpp b/libcxx/test/std/strings/basic.string/range_concept_conformance.compile.pass.cpp
--- a/libcxx/test/std/strings/basic.string/range_concept_conformance.compile.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/range_concept_conformance.compile.pass.cpp
@@ -15,8 +15,6 @@
 #include <concepts>
 #include <ranges>
 
-
-
 static_assert(std::same_as<std::ranges::iterator_t<std::string>, std::string::iterator>);
 static_assert(std::ranges::common_range<std::string>);
 static_assert(std::ranges::random_access_range<std::string>);
diff --git a/libcxx/test/std/strings/basic.string/string.capacity/empty.verify.cpp b/libcxx/test/std/strings/basic.string/string.capacity/empty.verify.cpp
--- a/libcxx/test/std/strings/basic.string/string.capacity/empty.verify.cpp
+++ b/libcxx/test/std/strings/basic.string/string.capacity/empty.verify.cpp
@@ -25,8 +25,7 @@
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/std/strings/basic.string/string.capacity/reserve.deprecated_in_cxx20.verify.cpp b/libcxx/test/std/strings/basic.string/string.capacity/reserve.deprecated_in_cxx20.verify.cpp
--- a/libcxx/test/std/strings/basic.string/string.capacity/reserve.deprecated_in_cxx20.verify.cpp
+++ b/libcxx/test/std/strings/basic.string/string.capacity/reserve.deprecated_in_cxx20.verify.cpp
@@ -14,9 +14,8 @@
 
 #include <string>
 
-int main(int, char**)
-{
-    std::string s;
-    s.reserve(); // expected-warning {{'reserve' is deprecated}}
-    return 0;
+int main(int, char**) {
+  std::string s;
+  s.reserve(); // expected-warning {{'reserve' is deprecated}}
+  return 0;
 }
diff --git a/libcxx/test/std/strings/basic.string/string.capacity/shrink_to_fit.explicit_instantiation.sh.cpp b/libcxx/test/std/strings/basic.string/string.capacity/shrink_to_fit.explicit_instantiation.sh.cpp
--- a/libcxx/test/std/strings/basic.string/string.capacity/shrink_to_fit.explicit_instantiation.sh.cpp
+++ b/libcxx/test/std/strings/basic.string/string.capacity/shrink_to_fit.explicit_instantiation.sh.cpp
@@ -31,7 +31,7 @@
   typedef std::mbstate_t state_type;
   typedef std::fpos<state_type> pos_type;
 
-  static void assign(char_type&, const char_type&) { }
+  static void assign(char_type&, const char_type&) {}
   static bool eq(const char_type&, const char_type&) { return false; }
   static bool lt(const char_type&, const char_type&) { return false; }
   static int compare(const char_type*, const char_type*, size_t) { return 0; }
@@ -53,7 +53,7 @@
 extern template class std::basic_string<char16, string16_char_traits>;
 
 int main(int, char**) {
-    std::basic_string<char16, string16_char_traits> s;
-    s.shrink_to_fit();
+  std::basic_string<char16, string16_char_traits> s;
+  s.shrink_to_fit();
 }
 #endif
diff --git a/libcxx/test/std/strings/basic.string/string.cons/alloc.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/alloc.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.cons/alloc.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/alloc.pass.cpp
@@ -18,14 +18,12 @@
 #include "min_allocator.h"
 
 template <class S>
-TEST_CONSTEXPR_CXX20 void
-test()
-{
-    {
+TEST_CONSTEXPR_CXX20 void test() {
+  {
 #if TEST_STD_VER > 14
-    static_assert((noexcept(S{})), "" );
+    static_assert((noexcept(S{})), "");
 #elif TEST_STD_VER >= 11
-    static_assert((noexcept(S()) == noexcept(typename S::allocator_type())), "" );
+    static_assert((noexcept(S()) == noexcept(typename S::allocator_type())), "");
 #endif
     S s;
     LIBCPP_ASSERT(s.__invariants());
@@ -33,12 +31,14 @@
     assert(s.size() == 0);
     assert(s.capacity() >= s.size());
     assert(s.get_allocator() == typename S::allocator_type());
-    }
-    {
+  }
+  {
 #if TEST_STD_VER > 14
-    static_assert((noexcept(S{typename S::allocator_type{}})), "" );
+    static_assert((noexcept(S{typename S::allocator_type{}})), "");
 #elif TEST_STD_VER >= 11
-    static_assert((noexcept(S(typename S::allocator_type())) == std::is_nothrow_copy_constructible<typename S::allocator_type>::value), "" );
+    static_assert((noexcept(S(typename S::allocator_type())) ==
+                   std::is_nothrow_copy_constructible<typename S::allocator_type>::value),
+                  "");
 #endif
     S s(typename S::allocator_type(5));
     LIBCPP_ASSERT(s.__invariants());
@@ -46,41 +46,41 @@
     assert(s.size() == 0);
     assert(s.capacity() >= s.size());
     assert(s.get_allocator() == typename S::allocator_type(5));
-    }
+  }
 }
 
 #if TEST_STD_VER >= 11
 
 template <class S>
-TEST_CONSTEXPR_CXX20 void
-test2()
-{
-    {
-#if TEST_STD_VER > 14
-    static_assert((noexcept(S{})), "" );
-#elif TEST_STD_VER >= 11
-    static_assert((noexcept(S()) == noexcept(typename S::allocator_type())), "" );
-#endif
+TEST_CONSTEXPR_CXX20 void test2() {
+  {
+#  if TEST_STD_VER > 14
+    static_assert((noexcept(S{})), "");
+#  elif TEST_STD_VER >= 11
+    static_assert((noexcept(S()) == noexcept(typename S::allocator_type())), "");
+#  endif
     S s;
     LIBCPP_ASSERT(s.__invariants());
     assert(s.data());
     assert(s.size() == 0);
     assert(s.capacity() >= s.size());
     assert(s.get_allocator() == typename S::allocator_type());
-    }
-    {
-#if TEST_STD_VER > 14
-    static_assert((noexcept(S{typename S::allocator_type{}})), "" );
-#elif TEST_STD_VER >= 11
-    static_assert((noexcept(S(typename S::allocator_type())) == std::is_nothrow_copy_constructible<typename S::allocator_type>::value), "" );
-#endif
+  }
+  {
+#  if TEST_STD_VER > 14
+    static_assert((noexcept(S{typename S::allocator_type{}})), "");
+#  elif TEST_STD_VER >= 11
+    static_assert((noexcept(S(typename S::allocator_type())) ==
+                   std::is_nothrow_copy_constructible<typename S::allocator_type>::value),
+                  "");
+#  endif
     S s(typename S::allocator_type{});
     LIBCPP_ASSERT(s.__invariants());
     assert(s.data());
     assert(s.size() == 0);
     assert(s.capacity() >= s.size());
     assert(s.get_allocator() == typename S::allocator_type());
-    }
+  }
 }
 
 #endif
@@ -95,8 +95,7 @@
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/std/strings/basic.string/string.cons/brace_assignment.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/brace_assignment.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.cons/brace_assignment.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/brace_assignment.pass.cpp
@@ -23,20 +23,19 @@
   // ambiguous.
   {
     std::string s = "hello world";
-    s = {};
+    s             = {};
     assert(s.empty());
   }
   {
     std::string s = "hello world";
-    s = {"abc", 2};
+    s             = {"abc", 2};
     assert(s == "ab");
   }
 
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/std/strings/basic.string/string.cons/copy_assignment.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/copy_assignment.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.cons/copy_assignment.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/copy_assignment.pass.cpp
@@ -18,13 +18,11 @@
 #include "min_allocator.h"
 
 template <class S>
-TEST_CONSTEXPR_CXX20 void
-test(S s1, const S& s2)
-{
-    s1 = s2;
-    LIBCPP_ASSERT(s1.__invariants());
-    assert(s1 == s2);
-    assert(s1.capacity() >= s1.size());
+TEST_CONSTEXPR_CXX20 void test(S s1, const S& s2) {
+  s1 = s2;
+  LIBCPP_ASSERT(s1.__invariants());
+  assert(s1 == s2);
+  assert(s1.capacity() >= s1.size());
 }
 
 template <class S>
@@ -35,15 +33,13 @@
   test(S("1"), S("2"));
   test(S("1"), S("2"));
 
-  test(S(),
-        S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
-  test(S("123456789"),
-        S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
+  test(S(), S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
+  test(S("123456789"), S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
   test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
-        S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
+       S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
   test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
-          "1234567890123456789012345678901234567890123456789012345678901234567890"),
-        S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
+         "1234567890123456789012345678901234567890123456789012345678901234567890"),
+       S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
 }
 
 TEST_CONSTEXPR_CXX20 bool test() {
@@ -53,7 +49,7 @@
 #endif
 
 #if TEST_STD_VER >= 11
-  {   // LWG 2946
+  { // LWG 2946
     std::string s;
     s = {"abc", 1};
     assert(s.size() == 1);
@@ -64,8 +60,7 @@
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/std/strings/basic.string/string.cons/implicit_deduction_guides.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/implicit_deduction_guides.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.cons/implicit_deduction_guides.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.cons/implicit_deduction_guides.pass.cpp
@@ -46,18 +46,17 @@
 // (14) basic_string(BSV, A const& = A())
 // (15) basic_string(const T&, size_type, size_type, A const& = A())
 TEST_CONSTEXPR_CXX20 bool test() {
-
   using TestSizeT = test_allocator<char>::size_type;
-  { // Testing (1)
-    // Nothing to do. Cannot deduce without any arguments.
-  }
-  { // Testing (2)
-    // This overload isn't compatible with implicit deduction guides as
-    // specified in the standard.
-    // const test_allocator<char> alloc{};
-    // std::basic_string s(alloc);
-  }
-  { // Testing (3) w/o allocator
+  {
+      // Testing (1)
+      // Nothing to do. Cannot deduce without any arguments.
+  } {
+      // Testing (2)
+      // This overload isn't compatible with implicit deduction guides as
+      // specified in the standard.
+      // const test_allocator<char> alloc{};
+      // std::basic_string s(alloc);
+  } { // Testing (3) w/o allocator
     std::basic_string s(6ull, 'a');
     ASSERT_SAME_TYPE(decltype(s), std::string);
     assert(s == "aaaaaa");
@@ -70,7 +69,7 @@
   }
   { // Testing (3) w/ allocator
     std::basic_string s(6ull, 'a', test_allocator<char>{});
-    ASSERT_SAME_TYPE(decltype(s), BStr<char,test_allocator<char>>);
+    ASSERT_SAME_TYPE(decltype(s), BStr<char, test_allocator<char>>);
     assert(s == "aaaaaa");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
@@ -86,9 +85,7 @@
     assert(s == "bc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
     const WStr win(L"abcdef");
     std::basic_string w(win, (TestSizeT)3);
     ASSERT_SAME_TYPE(decltype(w), WStr);
@@ -102,9 +99,7 @@
     assert(s == "bc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
     const WStr win(L"abcdef");
     std::basic_string w(win, (TestSizeT)3, test_allocator<wchar_t>{});
     ASSERT_SAME_TYPE(decltype(w), WStr);
@@ -118,9 +113,7 @@
     assert(s == "bc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
     const WStr win(L"abcdef");
     std::basic_string w(win, (TestSizeT)2, (TestSizeT)3);
     ASSERT_SAME_TYPE(decltype(w), WStr);
@@ -134,9 +127,7 @@
     assert(s == "bc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
     const WStr win(L"abcdef");
     std::basic_string w(win, (TestSizeT)2, (TestSizeT)3, test_allocator<wchar_t>{});
     ASSERT_SAME_TYPE(decltype(w), WStr);
@@ -160,9 +151,7 @@
     assert(s == "ab");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  std::char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
     std::basic_string w(L"abcdef", (TestSizeT)3, test_allocator<wchar_t>{});
     ASSERT_SAME_TYPE(decltype(w), WStr);
     assert(w == L"abc");
@@ -185,191 +174,178 @@
     assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  std::char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
+    using WStr = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
     std::basic_string w(L"abcdef", test_allocator<wchar_t>{});
     ASSERT_SAME_TYPE(decltype(w), WStr);
     assert(w == L"abcdef");
 #endif
   }
   { // (8) w/o allocator
-    using It = cpp17_input_iterator<const char*>;
+    using It          = cpp17_input_iterator<const char*>;
     const char* input = "abcdef";
     std::basic_string s(It(input), It(input + 3), std::allocator<char>{});
     ASSERT_SAME_TYPE(decltype(s), std::string);
     assert(s == "abc");
   }
-  { // (8) w/ allocator
-    {
-      using Expect = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
-      using It = cpp17_input_iterator<const char*>;
-      const char* input = "abcdef";
-      std::basic_string s(It(input), It(input + 3), test_allocator<char>{});
-      ASSERT_SAME_TYPE(decltype(s), Expect);
-      assert(s == "abc");
-    }
+  {// (8) w/ allocator
+   {using Expect = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
+  using It          = cpp17_input_iterator<const char*>;
+  const char* input = "abcdef";
+  std::basic_string s(It(input), It(input + 3), test_allocator<char>{});
+  ASSERT_SAME_TYPE(decltype(s), Expect);
+  assert(s == "abc");
+}
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
-      using ExpectW = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
-      using It = cpp17_input_iterator<const wchar_t*>;
-      const wchar_t* input = L"abcdef";
-      std::basic_string s(It(input), It(input + 3), test_allocator<wchar_t>{});
-      ASSERT_SAME_TYPE(decltype(s), ExpectW);
-      assert(s == L"abc");
-    }
+{
+  using ExpectW        = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
+  using It             = cpp17_input_iterator<const wchar_t*>;
+  const wchar_t* input = L"abcdef";
+  std::basic_string s(It(input), It(input + 3), test_allocator<wchar_t>{});
+  ASSERT_SAME_TYPE(decltype(s), ExpectW);
+  assert(s == L"abc");
+}
 #endif
-  }
-  { // Testing (9)
-    const std::string sin("abc");
-    std::basic_string s(sin);
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (9)
+  const std::string sin("abc");
+  std::basic_string s(sin);
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
-    const WStr win(L"abcdef");
-    std::basic_string w(win);
-    ASSERT_SAME_TYPE(decltype(w), WStr);
-    assert(w == L"abcdef");
+  using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
+  const WStr win(L"abcdef");
+  std::basic_string w(win);
+  ASSERT_SAME_TYPE(decltype(w), WStr);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (10)
-    const std::string sin("abc");
-    std::basic_string s(sin, std::allocator<char>{});
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (10)
+  const std::string sin("abc");
+  std::basic_string s(sin, std::allocator<char>{});
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
-    const WStr win(L"abcdef");
-    std::basic_string w(win, test_allocator<wchar_t>{});
-    ASSERT_SAME_TYPE(decltype(w), WStr);
-    assert(w == L"abcdef");
+  using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
+  const WStr win(L"abcdef");
+  std::basic_string w(win, test_allocator<wchar_t>{});
+  ASSERT_SAME_TYPE(decltype(w), WStr);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (11)
-    std::string sin("abc");
-    std::basic_string s(std::move(sin));
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (11)
+  std::string sin("abc");
+  std::basic_string s(std::move(sin));
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
-    WStr win(L"abcdef");
-    std::basic_string w(std::move(win));
-    ASSERT_SAME_TYPE(decltype(w), WStr);
-    assert(w == L"abcdef");
+  using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
+  WStr win(L"abcdef");
+  std::basic_string w(std::move(win));
+  ASSERT_SAME_TYPE(decltype(w), WStr);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (12)
-    std::string sin("abc");
-    std::basic_string s(std::move(sin), std::allocator<char>{});
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (12)
+  std::string sin("abc");
+  std::basic_string s(std::move(sin), std::allocator<char>{});
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using WStr = std::basic_string<wchar_t,
-                                  constexpr_char_traits<wchar_t>,
-                                  test_allocator<wchar_t>>;
-    WStr win(L"abcdef");
-    std::basic_string w(std::move(win), test_allocator<wchar_t>{});
-    ASSERT_SAME_TYPE(decltype(w), WStr);
-    assert(w == L"abcdef");
+  using WStr = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
+  WStr win(L"abcdef");
+  std::basic_string w(std::move(win), test_allocator<wchar_t>{});
+  ASSERT_SAME_TYPE(decltype(w), WStr);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (13) w/o allocator
-    std::basic_string s({'a', 'b', 'c'});
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (13) w/o allocator
+  std::basic_string s({'a', 'b', 'c'});
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    std::basic_string w({L'a', L'b', L'c'});
-    ASSERT_SAME_TYPE(decltype(w), std::wstring);
-    assert(w == L"abc");
+  std::basic_string w({L'a', L'b', L'c'});
+  ASSERT_SAME_TYPE(decltype(w), std::wstring);
+  assert(w == L"abc");
 #endif
-  }
-  { // Testing (13) w/ allocator
-    std::basic_string s({'a', 'b', 'c'}, test_allocator<char>{});
-    ASSERT_SAME_TYPE(decltype(s), BStr<char, test_allocator<char>>);
-    assert(s == "abc");
+}
+{ // Testing (13) w/ allocator
+  std::basic_string s({'a', 'b', 'c'}, test_allocator<char>{});
+  ASSERT_SAME_TYPE(decltype(s), BStr<char, test_allocator<char>>);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    std::basic_string w({L'a', L'b', L'c'}, test_allocator<wchar_t>{});
-    ASSERT_SAME_TYPE(decltype(w), BStr<wchar_t, test_allocator<wchar_t>>);
-    assert(w == L"abc");
+  std::basic_string w({L'a', L'b', L'c'}, test_allocator<wchar_t>{});
+  ASSERT_SAME_TYPE(decltype(w), BStr<wchar_t, test_allocator<wchar_t>>);
+  assert(w == L"abc");
 #endif
-  }
-  { // Testing (14) w/o allocator
-    std::string_view sv("abc");
-    std::basic_string s(sv);
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "abc");
+}
+{ // Testing (14) w/o allocator
+  std::string_view sv("abc");
+  std::basic_string s(sv);
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using Expect = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>>;
-    std::basic_string_view<wchar_t, constexpr_char_traits<wchar_t>> BSV(L"abcdef");
-    std::basic_string w(BSV);
-    ASSERT_SAME_TYPE(decltype(w), Expect);
-    assert(w == L"abcdef");
+  using Expect = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>>;
+  std::basic_string_view<wchar_t, constexpr_char_traits<wchar_t>> BSV(L"abcdef");
+  std::basic_string w(BSV);
+  ASSERT_SAME_TYPE(decltype(w), Expect);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (14) w/ allocator
-    using ExpectS = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
-    std::string_view sv("abc");
-    std::basic_string s(sv, test_allocator<char>{});
-    ASSERT_SAME_TYPE(decltype(s), ExpectS);
-    assert(s == "abc");
+}
+{ // Testing (14) w/ allocator
+  using ExpectS = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
+  std::string_view sv("abc");
+  std::basic_string s(sv, test_allocator<char>{});
+  ASSERT_SAME_TYPE(decltype(s), ExpectS);
+  assert(s == "abc");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using ExpectW = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>,
-                                      test_allocator<wchar_t>>;
-    std::basic_string_view<wchar_t, constexpr_char_traits<wchar_t>> BSV(L"abcdef");
-    std::basic_string w(BSV, test_allocator<wchar_t>{});
-    ASSERT_SAME_TYPE(decltype(w), ExpectW);
-    assert(w == L"abcdef");
+  using ExpectW = std::basic_string<wchar_t, constexpr_char_traits<wchar_t>, test_allocator<wchar_t>>;
+  std::basic_string_view<wchar_t, constexpr_char_traits<wchar_t>> BSV(L"abcdef");
+  std::basic_string w(BSV, test_allocator<wchar_t>{});
+  ASSERT_SAME_TYPE(decltype(w), ExpectW);
+  assert(w == L"abcdef");
 #endif
-  }
-  { // Testing (15) w/o allocator
-    std::string s0("abc");
-    std::basic_string s(s0, 1, 1);
-    ASSERT_SAME_TYPE(decltype(s), std::string);
-    assert(s == "b");
+}
+{ // Testing (15) w/o allocator
+  std::string s0("abc");
+  std::basic_string s(s0, 1, 1);
+  ASSERT_SAME_TYPE(decltype(s), std::string);
+  assert(s == "b");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    std::wstring w0(L"abcdef");
-    std::basic_string w(w0, 2, 2);
-    ASSERT_SAME_TYPE(decltype(w), std::wstring);
-    assert(w == L"cd");
+  std::wstring w0(L"abcdef");
+  std::basic_string w(w0, 2, 2);
+  ASSERT_SAME_TYPE(decltype(w), std::wstring);
+  assert(w == L"cd");
 #endif
-  }
-  { // Testing (15) w/ allocator
-    using ExpectS = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
-    ExpectS s0("abc");
-    std::basic_string s(s0, 1, 1, test_allocator<char>{4});
-    ASSERT_SAME_TYPE(decltype(s), ExpectS);
-    assert(s == "b");
+}
+{ // Testing (15) w/ allocator
+  using ExpectS = std::basic_string<char, std::char_traits<char>, test_allocator<char>>;
+  ExpectS s0("abc");
+  std::basic_string s(s0, 1, 1, test_allocator<char>{4});
+  ASSERT_SAME_TYPE(decltype(s), ExpectS);
+  assert(s == "b");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    using ExpectW = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
-    ExpectW w0(L"abcdef");
-    std::basic_string w(w0, 2, 2, test_allocator<wchar_t>{6});
-    ASSERT_SAME_TYPE(decltype(w), ExpectW);
-    assert(w == L"cd");
+  using ExpectW = std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t>>;
+  ExpectW w0(L"abcdef");
+  std::basic_string w(w0, 2, 2, test_allocator<wchar_t>{6});
+  ASSERT_SAME_TYPE(decltype(w), ExpectW);
+  assert(w == L"cd");
 #endif
-  }
+}
 
-  return true;
+return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 #if TEST_STD_VER > 17
   static_assert(test());
diff --git a/libcxx/test/std/strings/basic.string/string.iterators/iterator_concept_conformance.compile.pass.cpp b/libcxx/test/std/strings/basic.string/string.iterators/iterator_concept_conformance.compile.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.iterators/iterator_concept_conformance.compile.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.iterators/iterator_concept_conformance.compile.pass.cpp
@@ -14,11 +14,11 @@
 
 #include <iterator>
 
-using iterator = std::string::iterator;
-using const_iterator = std::string::const_iterator;
-using reverse_iterator = std::string::reverse_iterator;
+using iterator               = std::string::iterator;
+using const_iterator         = std::string::const_iterator;
+using reverse_iterator       = std::string::reverse_iterator;
 using const_reverse_iterator = std::string::const_reverse_iterator;
-using value_type = char;
+using value_type             = char;
 
 static_assert(std::contiguous_iterator<iterator>);
 static_assert(std::indirectly_writable<iterator, value_type>);
@@ -30,23 +30,23 @@
 static_assert(std::sized_sentinel_for<iterator, const_iterator>);
 static_assert(!std::sized_sentinel_for<iterator, reverse_iterator>);
 static_assert(!std::sized_sentinel_for<iterator, const_reverse_iterator>);
-static_assert( std::indirectly_movable<iterator, iterator>);
-static_assert( std::indirectly_movable_storable<iterator, iterator>);
+static_assert(std::indirectly_movable<iterator, iterator>);
+static_assert(std::indirectly_movable_storable<iterator, iterator>);
 static_assert(!std::indirectly_movable<iterator, const_iterator>);
 static_assert(!std::indirectly_movable_storable<iterator, const_iterator>);
-static_assert( std::indirectly_movable<iterator, reverse_iterator>);
-static_assert( std::indirectly_movable_storable<iterator, reverse_iterator>);
+static_assert(std::indirectly_movable<iterator, reverse_iterator>);
+static_assert(std::indirectly_movable_storable<iterator, reverse_iterator>);
 static_assert(!std::indirectly_movable<iterator, const_reverse_iterator>);
 static_assert(!std::indirectly_movable_storable<iterator, const_reverse_iterator>);
-static_assert( std::indirectly_copyable<iterator, iterator>);
-static_assert( std::indirectly_copyable_storable<iterator, iterator>);
+static_assert(std::indirectly_copyable<iterator, iterator>);
+static_assert(std::indirectly_copyable_storable<iterator, iterator>);
 static_assert(!std::indirectly_copyable<iterator, const_iterator>);
 static_assert(!std::indirectly_copyable_storable<iterator, const_iterator>);
-static_assert( std::indirectly_copyable<iterator, reverse_iterator>);
-static_assert( std::indirectly_copyable_storable<iterator, reverse_iterator>);
+static_assert(std::indirectly_copyable<iterator, reverse_iterator>);
+static_assert(std::indirectly_copyable_storable<iterator, reverse_iterator>);
 static_assert(!std::indirectly_copyable<iterator, const_reverse_iterator>);
 static_assert(!std::indirectly_copyable_storable<iterator, const_reverse_iterator>);
-static_assert( std::indirectly_swappable<iterator, iterator>);
+static_assert(std::indirectly_swappable<iterator, iterator>);
 
 static_assert(std::contiguous_iterator<const_iterator>);
 static_assert(!std::indirectly_writable<const_iterator, value_type>);
@@ -58,20 +58,20 @@
 static_assert(std::sized_sentinel_for<const_iterator, const_iterator>);
 static_assert(!std::sized_sentinel_for<const_iterator, reverse_iterator>);
 static_assert(!std::sized_sentinel_for<const_iterator, const_reverse_iterator>);
-static_assert( std::indirectly_movable<const_iterator, iterator>);
-static_assert( std::indirectly_movable_storable<const_iterator, iterator>);
+static_assert(std::indirectly_movable<const_iterator, iterator>);
+static_assert(std::indirectly_movable_storable<const_iterator, iterator>);
 static_assert(!std::indirectly_movable<const_iterator, const_iterator>);
 static_assert(!std::indirectly_movable_storable<const_iterator, const_iterator>);
-static_assert( std::indirectly_movable<const_iterator, reverse_iterator>);
-static_assert( std::indirectly_movable_storable<const_iterator, reverse_iterator>);
+static_assert(std::indirectly_movable<const_iterator, reverse_iterator>);
+static_assert(std::indirectly_movable_storable<const_iterator, reverse_iterator>);
 static_assert(!std::indirectly_movable<const_iterator, const_reverse_iterator>);
 static_assert(!std::indirectly_movable_storable<const_iterator, const_reverse_iterator>);
-static_assert( std::indirectly_copyable<const_iterator, iterator>);
-static_assert( std::indirectly_copyable_storable<const_iterator, iterator>);
+static_assert(std::indirectly_copyable<const_iterator, iterator>);
+static_assert(std::indirectly_copyable_storable<const_iterator, iterator>);
 static_assert(!std::indirectly_copyable<const_iterator, const_iterator>);
 static_assert(!std::indirectly_copyable_storable<const_iterator, const_iterator>);
-static_assert( std::indirectly_copyable<const_iterator, reverse_iterator>);
-static_assert( std::indirectly_copyable_storable<const_iterator, reverse_iterator>);
+static_assert(std::indirectly_copyable<const_iterator, reverse_iterator>);
+static_assert(std::indirectly_copyable_storable<const_iterator, reverse_iterator>);
 static_assert(!std::indirectly_copyable<const_iterator, const_reverse_iterator>);
 static_assert(!std::indirectly_copyable_storable<const_iterator, const_reverse_iterator>);
 static_assert(!std::indirectly_swappable<const_iterator, const_iterator>);
diff --git a/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp b/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.iterators/iterators.pass.cpp
@@ -22,64 +22,62 @@
 
 #include "test_macros.h"
 
-template<class C>
-TEST_CONSTEXPR_CXX20 void test()
-{
-    { // N3644 testing
-        typename C::iterator ii1{}, ii2{};
-        typename C::iterator ii4 = ii1;
-        typename C::const_iterator cii{};
+template <class C>
+TEST_CONSTEXPR_CXX20 void test() {
+  { // N3644 testing
+    typename C::iterator ii1{}, ii2{};
+    typename C::iterator ii4 = ii1;
+    typename C::const_iterator cii{};
 
-        assert ( ii1 == ii2 );
-        assert ( ii1 == ii4 );
+    assert(ii1 == ii2);
+    assert(ii1 == ii4);
 
-        assert (!(ii1 != ii2 ));
+    assert(!(ii1 != ii2));
 
-        assert ( (ii1 == cii ));
-        assert ( (cii == ii1 ));
-        assert (!(ii1 != cii ));
-        assert (!(cii != ii1 ));
-        assert (!(ii1 <  cii ));
-        assert (!(cii <  ii1 ));
-        assert ( (ii1 <= cii ));
-        assert ( (cii <= ii1 ));
-        assert (!(ii1 >  cii ));
-        assert (!(cii >  ii1 ));
-        assert ( (ii1 >= cii ));
-        assert ( (cii >= ii1 ));
-        assert (cii - ii1 == 0);
-        assert (ii1 - cii == 0);
-    }
-    {
-        C a;
-        typename C::iterator i1 = a.begin();
-        typename C::iterator i2;
-        i2 = i1;
-        assert ( i1 == i2 );
-    }
+    assert((ii1 == cii));
+    assert((cii == ii1));
+    assert(!(ii1 != cii));
+    assert(!(cii != ii1));
+    assert(!(ii1 < cii));
+    assert(!(cii < ii1));
+    assert((ii1 <= cii));
+    assert((cii <= ii1));
+    assert(!(ii1 > cii));
+    assert(!(cii > ii1));
+    assert((ii1 >= cii));
+    assert((cii >= ii1));
+    assert(cii - ii1 == 0);
+    assert(ii1 - cii == 0);
+  }
+  {
+    C a;
+    typename C::iterator i1 = a.begin();
+    typename C::iterator i2;
+    i2 = i1;
+    assert(i1 == i2);
+  }
 }
 
 TEST_CONSTEXPR_CXX20 bool test() {
-    test<std::string>();
+  test<std::string>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring>();
+  test<std::wstring>();
 #endif
 
 #ifndef TEST_HAS_NO_CHAR8_T
-    test<std::u8string>();
+  test<std::u8string>();
 #endif
 
-    test<std::u16string>();
-    test<std::u32string>();
+  test<std::u16string>();
+  test<std::u32string>();
 
-    return true;
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/basic.string/string.modifiers/string_insert/iter_iter_iter.infinite_recursion.pass.cpp b/libcxx/test/std/strings/basic.string/string.modifiers/string_insert/iter_iter_iter.infinite_recursion.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.modifiers/string_insert/iter_iter_iter.infinite_recursion.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.modifiers/string_insert/iter_iter_iter.infinite_recursion.pass.cpp
@@ -18,90 +18,82 @@
 #include "test_macros.h"
 
 struct char_ascii {
-    char char_;
+  char char_;
 
-    char_ascii() = default;
-    char_ascii(char ch) : char_(ch) {
-        assert(ch <= 0x7f);
-    }
+  char_ascii() = default;
+  char_ascii(char ch) : char_(ch) { assert(ch <= 0x7f); }
 };
 
 template <>
 struct std::char_traits<char_ascii> {
-    using char_type = char_ascii;
-    using int_type = typename std::char_traits<char>::int_type;
-    using off_type = typename std::char_traits<char>::off_type;
-    using pos_type = typename std::char_traits<char>::pos_type;
-    using state_type = typename std::char_traits<char>::state_type;
-
-    static void assign(char_type& r, char_type const& a) TEST_NOEXCEPT {
-        r = a;
-    }
+  using char_type  = char_ascii;
+  using int_type   = typename std::char_traits<char>::int_type;
+  using off_type   = typename std::char_traits<char>::off_type;
+  using pos_type   = typename std::char_traits<char>::pos_type;
+  using state_type = typename std::char_traits<char>::state_type;
 
-    static char_type* assign(char_type* p, std::size_t count, char_type a) {
-        std::fill(p, p + count, a);
-        return p;
-    }
+  static void assign(char_type& r, char_type const& a) TEST_NOEXCEPT { r = a; }
 
-    static bool eq(char_type a, char_type b) TEST_NOEXCEPT {
-        return a.char_ == b.char_;
-    }
+  static char_type* assign(char_type* p, std::size_t count, char_type a) {
+    std::fill(p, p + count, a);
+    return p;
+  }
 
-    static bool lt(char_type a, char_type b) TEST_NOEXCEPT {
-        return a.char_ < b.char_;
-    }
+  static bool eq(char_type a, char_type b) TEST_NOEXCEPT { return a.char_ == b.char_; }
 
-    static std::size_t length(char_type const* s) {
-        std::size_t n = 0;
-        if (s) {
-            while (s->char_)
-                ++n;
-        }
-        return n;
-    }
+  static bool lt(char_type a, char_type b) TEST_NOEXCEPT { return a.char_ < b.char_; }
 
-    static const char_type* find(char_type const* p, std::size_t count, char_type const& ch) {
-        while (count > 0) {
-            if (p->char_ == ch.char_) {
-                return p;
-            } else {
-                ++p;
-                --count;
-            }
-        }
-        return nullptr;
+  static std::size_t length(char_type const* s) {
+    std::size_t n = 0;
+    if (s) {
+      while (s->char_)
+        ++n;
     }
+    return n;
+  }
 
-    static int compare(char_type const* s1, char_type const* s2, std::size_t count) {
-        for (std::size_t i = 0; i < count; ++i) {
-            if (s1->char_ < s2->char_)
-                return -1;
-            else if (s2->char_ < s1->char_)
-                return 1;
-        }
-        return 0;
+  static const char_type* find(char_type const* p, std::size_t count, char_type const& ch) {
+    while (count > 0) {
+      if (p->char_ == ch.char_) {
+        return p;
+      } else {
+        ++p;
+        --count;
+      }
     }
-
-    static char_type* move(char_type* dest, char_type const* src, std::size_t count) {
-        if (src <= dest && dest < src + count) {
-            std::copy_backward(src, src + count, dest + count);
-        } else {
-            std::copy(src, src + count, dest);
-        }
-        return dest;
+    return nullptr;
+  }
+
+  static int compare(char_type const* s1, char_type const* s2, std::size_t count) {
+    for (std::size_t i = 0; i < count; ++i) {
+      if (s1->char_ < s2->char_)
+        return -1;
+      else if (s2->char_ < s1->char_)
+        return 1;
     }
+    return 0;
+  }
 
-    static char_type* copy(char_type* dest, char_type const* src, std::size_t count) {
-        return char_traits::move(dest, src, count);
+  static char_type* move(char_type* dest, char_type const* src, std::size_t count) {
+    if (src <= dest && dest < src + count) {
+      std::copy_backward(src, src + count, dest + count);
+    } else {
+      std::copy(src, src + count, dest);
     }
+    return dest;
+  }
+
+  static char_type* copy(char_type* dest, char_type const* src, std::size_t count) {
+    return char_traits::move(dest, src, count);
+  }
 };
 
 int main(int, char**) {
-    std::basic_string<char_ascii> str;
+  std::basic_string<char_ascii> str;
 
-    char_ascii ch('A');
-    str.insert(str.begin(), &ch, &ch + 1);
-    assert(str.size() == 1);
-    assert(str[0].char_ == 'A');
-    return 0;
+  char_ascii ch('A');
+  str.insert(str.begin(), &ch, &ch + 1);
+  assert(str.size() == 1);
+  assert(str[0].char_ == 'A');
+  return 0;
 }
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp
@@ -28,58 +28,55 @@
 #include "test_allocator.h"
 
 template <class T>
-struct some_alloc
-{
-    typedef T value_type;
+struct some_alloc {
+  typedef T value_type;
 
-    some_alloc() {}
-    some_alloc(const some_alloc&);
-    T *allocate(size_t);
-    void deallocate(void*, unsigned) {}
-    typedef std::true_type propagate_on_container_swap;
+  some_alloc() {}
+  some_alloc(const some_alloc&);
+  T* allocate(size_t);
+  void deallocate(void*, unsigned) {}
+  typedef std::true_type propagate_on_container_swap;
 };
 
 template <class T>
-struct some_alloc2
-{
-    typedef T value_type;
+struct some_alloc2 {
+  typedef T value_type;
 
-    some_alloc2() {}
-    some_alloc2(const some_alloc2&);
-    T *allocate(size_t);
-    void deallocate(void*, unsigned) {}
+  some_alloc2() {}
+  some_alloc2(const some_alloc2&);
+  T* allocate(size_t);
+  void deallocate(void*, unsigned) {}
 
-    typedef std::false_type propagate_on_container_swap;
-    typedef std::true_type is_always_equal;
+  typedef std::false_type propagate_on_container_swap;
+  typedef std::true_type is_always_equal;
 };
 
-int main(int, char**)
-{
-    {
-        typedef std::string C;
-        static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
-    }
+int main(int, char**) {
+  {
+    typedef std::string C;
+    static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
+  }
 #if defined(_LIBCPP_VERSION)
-    {
-        typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
-        static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
-    }
+  {
+    typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
+    static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
+  }
 #endif // _LIBCPP_VERSION
-    {
-        typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C;
+  {
+    typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C;
 #if TEST_STD_VER >= 14
     //  In C++14, if POCS is set, swapping the allocator is required not to throw
-        static_assert( noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
+    static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
 #else
-        static_assert(!noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
+    static_assert(!noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
 #endif
-    }
+  }
 #if TEST_STD_VER >= 14
-    {
-        typedef std::basic_string<char, std::char_traits<char>, some_alloc2<char>> C;
+  {
+    typedef std::basic_string<char, std::char_traits<char>, some_alloc2<char>> C;
     //  if the allocators are always equal, then the swap can be noexcept
-        static_assert( noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
-    }
+    static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string_op+/allocator_propagation.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string_op+/allocator_propagation.pass.cpp
--- a/libcxx/test/std/strings/basic.string/string.nonmembers/string_op+/allocator_propagation.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string_op+/allocator_propagation.pass.cpp
@@ -191,9 +191,9 @@
 #endif
 #if TEST_STD_VER > 17
   static_assert(test<char>());
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
   static_assert(test<wchar_t>());
-#endif
+#  endif
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/basic.string/test_traits.h b/libcxx/test/std/strings/basic.string/test_traits.h
--- a/libcxx/test/std/strings/basic.string/test_traits.h
+++ b/libcxx/test/std/strings/basic.string/test_traits.h
@@ -10,9 +10,8 @@
 #define TEST_TRAITS_H
 
 template <class charT>
-struct test_traits
-{
-    typedef charT     char_type;
+struct test_traits {
+  typedef charT char_type;
 };
 
 #endif // TEST_TRAITS_H
diff --git a/libcxx/test/std/strings/basic.string/traits_mismatch.verify.cpp b/libcxx/test/std/strings/basic.string/traits_mismatch.verify.cpp
--- a/libcxx/test/std/strings/basic.string/traits_mismatch.verify.cpp
+++ b/libcxx/test/std/strings/basic.string/traits_mismatch.verify.cpp
@@ -13,4 +13,5 @@
 
 #include <string>
 
-std::basic_string<char, std::char_traits<wchar_t> > s; // expected-error@*:* {{traits_type::char_type must be the same type as CharT}}
+std::basic_string<char, std::char_traits<wchar_t> >
+    s; // expected-error@*:* {{traits_type::char_type must be the same type as CharT}}
diff --git a/libcxx/test/std/strings/basic.string/types.pass.cpp b/libcxx/test/std/strings/basic.string/types.pass.cpp
--- a/libcxx/test/std/strings/basic.string/types.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/types.pass.cpp
@@ -41,48 +41,44 @@
 #include "min_allocator.h"
 
 template <class Traits, class Allocator>
-void
-test()
-{
-    typedef std::basic_string<typename Traits::char_type, Traits, Allocator> S;
+void test() {
+  typedef std::basic_string<typename Traits::char_type, Traits, Allocator> S;
 
-    static_assert((std::is_same<typename S::traits_type, Traits>::value), "");
-    static_assert((std::is_same<typename S::value_type, typename Traits::char_type>::value), "");
-    static_assert((std::is_same<typename S::value_type, typename Allocator::value_type>::value), "");
-    static_assert((std::is_same<typename S::allocator_type, Allocator>::value), "");
-    static_assert((std::is_same<typename S::size_type, typename std::allocator_traits<Allocator>::size_type>::value), "");
-    static_assert((std::is_same<typename S::difference_type, typename std::allocator_traits<Allocator>::difference_type>::value), "");
-    static_assert((std::is_same<typename S::reference, typename S::value_type&>::value), "");
-    static_assert((std::is_same<typename S::const_reference, const typename S::value_type&>::value), "");
-    static_assert((std::is_same<typename S::pointer, typename std::allocator_traits<Allocator>::pointer>::value), "");
-    static_assert((std::is_same<typename S::const_pointer, typename std::allocator_traits<Allocator>::const_pointer>::value), "");
-    static_assert((std::is_same<
-        typename std::iterator_traits<typename S::iterator>::iterator_category,
-        std::random_access_iterator_tag>::value), "");
-    static_assert((std::is_same<
-        typename std::iterator_traits<typename S::const_iterator>::iterator_category,
-        std::random_access_iterator_tag>::value), "");
-    static_assert((std::is_same<
-        typename S::reverse_iterator,
-        std::reverse_iterator<typename S::iterator> >::value), "");
-    static_assert((std::is_same<
-        typename S::const_reverse_iterator,
-        std::reverse_iterator<typename S::const_iterator> >::value), "");
-    static_assert(S::npos == -1, "");
+  static_assert((std::is_same<typename S::traits_type, Traits>::value), "");
+  static_assert((std::is_same<typename S::value_type, typename Traits::char_type>::value), "");
+  static_assert((std::is_same<typename S::value_type, typename Allocator::value_type>::value), "");
+  static_assert((std::is_same<typename S::allocator_type, Allocator>::value), "");
+  static_assert((std::is_same<typename S::size_type, typename std::allocator_traits<Allocator>::size_type>::value), "");
+  static_assert(
+      (std::is_same<typename S::difference_type, typename std::allocator_traits<Allocator>::difference_type>::value),
+      "");
+  static_assert((std::is_same<typename S::reference, typename S::value_type&>::value), "");
+  static_assert((std::is_same<typename S::const_reference, const typename S::value_type&>::value), "");
+  static_assert((std::is_same<typename S::pointer, typename std::allocator_traits<Allocator>::pointer>::value), "");
+  static_assert(
+      (std::is_same<typename S::const_pointer, typename std::allocator_traits<Allocator>::const_pointer>::value), "");
+  static_assert((std::is_same< typename std::iterator_traits<typename S::iterator>::iterator_category,
+                               std::random_access_iterator_tag>::value),
+                "");
+  static_assert((std::is_same< typename std::iterator_traits<typename S::const_iterator>::iterator_category,
+                               std::random_access_iterator_tag>::value),
+                "");
+  static_assert((std::is_same< typename S::reverse_iterator, std::reverse_iterator<typename S::iterator> >::value), "");
+  static_assert(
+      (std::is_same< typename S::const_reverse_iterator, std::reverse_iterator<typename S::const_iterator> >::value),
+      "");
+  static_assert(S::npos == -1, "");
 }
 
-int main(int, char**)
-{
-    test<test_traits<char>, test_allocator<char> >();
+int main(int, char**) {
+  test<test_traits<char>, test_allocator<char> >();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::char_traits<wchar_t>, std::allocator<wchar_t> >();
+  test<std::char_traits<wchar_t>, std::allocator<wchar_t> >();
 #endif
-    static_assert((std::is_same<std::basic_string<char>::traits_type,
-                                std::char_traits<char> >::value), "");
-    static_assert((std::is_same<std::basic_string<char>::allocator_type,
-                                std::allocator<char> >::value), "");
+  static_assert((std::is_same<std::basic_string<char>::traits_type, std::char_traits<char> >::value), "");
+  static_assert((std::is_same<std::basic_string<char>::allocator_type, std::allocator<char> >::value), "");
 #if TEST_STD_VER >= 11
-    test<std::char_traits<char>, min_allocator<char> >();
+  test<std::char_traits<char>, min_allocator<char> >();
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/c.strings/cctype.pass.cpp b/libcxx/test/std/strings/c.strings/cctype.pass.cpp
--- a/libcxx/test/std/strings/c.strings/cctype.pass.cpp
+++ b/libcxx/test/std/strings/c.strings/cctype.pass.cpp
@@ -15,93 +15,91 @@
 #include "test_macros.h"
 
 #ifdef isalnum
-#error isalnum defined
+#  error isalnum defined
 #endif
 
 #ifdef isalpha
-#error isalpha defined
+#  error isalpha defined
 #endif
 
 #ifdef isblank
-#error isblank defined
+#  error isblank defined
 #endif
 
 #ifdef iscntrl
-#error iscntrl defined
+#  error iscntrl defined
 #endif
 
 #ifdef isdigit
-#error isdigit defined
+#  error isdigit defined
 #endif
 
 #ifdef isgraph
-#error isgraph defined
+#  error isgraph defined
 #endif
 
 #ifdef islower
-#error islower defined
+#  error islower defined
 #endif
 
 #ifdef isprint
-#error isprint defined
+#  error isprint defined
 #endif
 
 #ifdef ispunct
-#error ispunct defined
+#  error ispunct defined
 #endif
 
 #ifdef isspace
-#error isspace defined
+#  error isspace defined
 #endif
 
 #ifdef isupper
-#error isupper defined
+#  error isupper defined
 #endif
 
 #ifdef isxdigit
-#error isxdigit defined
+#  error isxdigit defined
 #endif
 
 #ifdef tolower
-#error tolower defined
+#  error tolower defined
 #endif
 
 #ifdef toupper
-#error toupper defined
+#  error toupper defined
 #endif
 
-int main(int, char**)
-{
-
-    ASSERT_SAME_TYPE(int, decltype(std::isalnum(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isalpha(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isblank(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::iscntrl(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isdigit(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isgraph(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::islower(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isprint(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::ispunct(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isspace(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isupper(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::isxdigit(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::tolower(0)));
-    ASSERT_SAME_TYPE(int, decltype(std::toupper(0)));
-
-    assert( std::isalnum('a'));
-    assert( std::isalpha('a'));
-    assert( std::isblank(' '));
-    assert(!std::iscntrl(' '));
-    assert(!std::isdigit('a'));
-    assert( std::isgraph('a'));
-    assert( std::islower('a'));
-    assert( std::isprint('a'));
-    assert(!std::ispunct('a'));
-    assert(!std::isspace('a'));
-    assert(!std::isupper('a'));
-    assert( std::isxdigit('a'));
-    assert( std::tolower('A') == 'a');
-    assert( std::toupper('a') == 'A');
+int main(int, char**) {
+  ASSERT_SAME_TYPE(int, decltype(std::isalnum(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isalpha(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isblank(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::iscntrl(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isdigit(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isgraph(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::islower(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isprint(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::ispunct(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isspace(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isupper(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::isxdigit(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::tolower(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::toupper(0)));
+
+  assert(std::isalnum('a'));
+  assert(std::isalpha('a'));
+  assert(std::isblank(' '));
+  assert(!std::iscntrl(' '));
+  assert(!std::isdigit('a'));
+  assert(std::isgraph('a'));
+  assert(std::islower('a'));
+  assert(std::isprint('a'));
+  assert(!std::ispunct('a'));
+  assert(!std::isspace('a'));
+  assert(!std::isupper('a'));
+  assert(std::isxdigit('a'));
+  assert(std::tolower('A') == 'a');
+  assert(std::toupper('a') == 'A');
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/c.strings/cstring.pass.cpp b/libcxx/test/std/strings/c.strings/cstring.pass.cpp
--- a/libcxx/test/std/strings/c.strings/cstring.pass.cpp
+++ b/libcxx/test/std/strings/c.strings/cstring.pass.cpp
@@ -15,124 +15,123 @@
 #include "test_macros.h"
 
 #ifndef NULL
-#error NULL not defined
+#  error NULL not defined
 #endif
 
-int main(int, char**)
-{
-    // Functions we get directly from the C library (just check the signature)
-    {
-        std::size_t s = 0;
-        void* vp = 0;
-        const void* vpc = 0;
-        char* cp = 0;
-        const char* cpc = 0;
-        ASSERT_SAME_TYPE(void*,         decltype(std::memcpy(vp, vpc, s)));
-        ASSERT_SAME_TYPE(void*,         decltype(std::memmove(vp, vpc, s)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strcpy(cp, cpc)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strncpy(cp, cpc, s)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strcat(cp, cpc)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strncat(cp, cpc, s)));
-        ASSERT_SAME_TYPE(int,           decltype(std::memcmp(vpc, vpc, s)));
-        ASSERT_SAME_TYPE(int,           decltype(std::strcmp(cpc, cpc)));
-        ASSERT_SAME_TYPE(int,           decltype(std::strncmp(cpc, cpc, s)));
-        ASSERT_SAME_TYPE(int,           decltype(std::strcoll(cpc, cpc)));
-        ASSERT_SAME_TYPE(std::size_t,   decltype(std::strxfrm(cp, cpc, s)));
-        ASSERT_SAME_TYPE(std::size_t,   decltype(std::strcspn(cpc, cpc)));
-        ASSERT_SAME_TYPE(std::size_t,   decltype(std::strspn(cpc, cpc)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strtok(cp, cpc)));
-        ASSERT_SAME_TYPE(void*,         decltype(std::memset(vp, 0, s)));
-        ASSERT_SAME_TYPE(char*,         decltype(std::strerror(0)));
-        ASSERT_SAME_TYPE(std::size_t,   decltype(std::strlen(cpc)));
-    }
+int main(int, char**) {
+  // Functions we get directly from the C library (just check the signature)
+  {
+    std::size_t s   = 0;
+    void* vp        = 0;
+    const void* vpc = 0;
+    char* cp        = 0;
+    const char* cpc = 0;
+    ASSERT_SAME_TYPE(void*, decltype(std::memcpy(vp, vpc, s)));
+    ASSERT_SAME_TYPE(void*, decltype(std::memmove(vp, vpc, s)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strcpy(cp, cpc)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strncpy(cp, cpc, s)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strcat(cp, cpc)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strncat(cp, cpc, s)));
+    ASSERT_SAME_TYPE(int, decltype(std::memcmp(vpc, vpc, s)));
+    ASSERT_SAME_TYPE(int, decltype(std::strcmp(cpc, cpc)));
+    ASSERT_SAME_TYPE(int, decltype(std::strncmp(cpc, cpc, s)));
+    ASSERT_SAME_TYPE(int, decltype(std::strcoll(cpc, cpc)));
+    ASSERT_SAME_TYPE(std::size_t, decltype(std::strxfrm(cp, cpc, s)));
+    ASSERT_SAME_TYPE(std::size_t, decltype(std::strcspn(cpc, cpc)));
+    ASSERT_SAME_TYPE(std::size_t, decltype(std::strspn(cpc, cpc)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strtok(cp, cpc)));
+    ASSERT_SAME_TYPE(void*, decltype(std::memset(vp, 0, s)));
+    ASSERT_SAME_TYPE(char*, decltype(std::strerror(0)));
+    ASSERT_SAME_TYPE(std::size_t, decltype(std::strlen(cpc)));
+  }
 
-    // Functions we (may) reimplement
-    {
-        // const char* strchr(const char*, int)
-        char storage[] = "hello world";
-        const char* s = storage;
-        ASSERT_SAME_TYPE(const char*, decltype(std::strchr(s, 'l')));
-        const char* res = std::strchr(s, 'l');
-        assert(res == &s[2]);
-    }
-    {
-        // char* strchr(char*, int)
-        char storage[] = "hello world";
-        char* s = storage;
-        ASSERT_SAME_TYPE(char*, decltype(std::strchr(s, 'l')));
-        char* res = std::strchr(s, 'l');
-        assert(res == &s[2]);
-    }
+  // Functions we (may) reimplement
+  {
+    // const char* strchr(const char*, int)
+    char storage[] = "hello world";
+    const char* s  = storage;
+    ASSERT_SAME_TYPE(const char*, decltype(std::strchr(s, 'l')));
+    const char* res = std::strchr(s, 'l');
+    assert(res == &s[2]);
+  }
+  {
+    // char* strchr(char*, int)
+    char storage[] = "hello world";
+    char* s        = storage;
+    ASSERT_SAME_TYPE(char*, decltype(std::strchr(s, 'l')));
+    char* res = std::strchr(s, 'l');
+    assert(res == &s[2]);
+  }
 
-    {
-        // const char* strpbrk(const char*, const char*)
-        char storage[] = "hello world";
-        const char* s = storage;
-        ASSERT_SAME_TYPE(const char*, decltype(std::strpbrk(s, "el")));
-        const char* res = std::strpbrk(s, "el");
-        assert(res == &s[1]);
-    }
-    {
-        // char* strpbrk(char*, const char*)
-        char storage[] = "hello world";
-        char* s = storage;
-        ASSERT_SAME_TYPE(char*, decltype(std::strpbrk(s, "el")));
-        char* res = std::strpbrk(s, "el");
-        assert(res == &s[1]);
-    }
+  {
+    // const char* strpbrk(const char*, const char*)
+    char storage[] = "hello world";
+    const char* s  = storage;
+    ASSERT_SAME_TYPE(const char*, decltype(std::strpbrk(s, "el")));
+    const char* res = std::strpbrk(s, "el");
+    assert(res == &s[1]);
+  }
+  {
+    // char* strpbrk(char*, const char*)
+    char storage[] = "hello world";
+    char* s        = storage;
+    ASSERT_SAME_TYPE(char*, decltype(std::strpbrk(s, "el")));
+    char* res = std::strpbrk(s, "el");
+    assert(res == &s[1]);
+  }
 
-    {
-        // const char* strrchr(const char*, int)
-        char storage[] = "hello world";
-        const char* s = storage;
-        ASSERT_SAME_TYPE(const char*, decltype(std::strrchr(s, 'l')));
-        const char* res = std::strrchr(s, 'l');
-        assert(res == &s[9]);
-    }
-    {
-        // char* strrchr(char*, int)
-        char storage[] = "hello world";
-        char* s = storage;
-        ASSERT_SAME_TYPE(char*, decltype(std::strrchr(s, 'l')));
-        char* res = std::strrchr(s, 'l');
-        assert(res == &s[9]);
-    }
+  {
+    // const char* strrchr(const char*, int)
+    char storage[] = "hello world";
+    const char* s  = storage;
+    ASSERT_SAME_TYPE(const char*, decltype(std::strrchr(s, 'l')));
+    const char* res = std::strrchr(s, 'l');
+    assert(res == &s[9]);
+  }
+  {
+    // char* strrchr(char*, int)
+    char storage[] = "hello world";
+    char* s        = storage;
+    ASSERT_SAME_TYPE(char*, decltype(std::strrchr(s, 'l')));
+    char* res = std::strrchr(s, 'l');
+    assert(res == &s[9]);
+  }
 
-    {
-        // const void* memchr(const void*, int, size_t)
-        char storage[] = "hello world";
-        std::size_t count = 11;
-        const void* s = storage;
-        ASSERT_SAME_TYPE(const void*, decltype(std::memchr(s, 'l', count)));
-        const void* res = std::memchr(s, 'l', count);
-        assert(res == &storage[2]);
-    }
-    {
-        // void* memchr(void*, int, size_t)
-        char storage[] = "hello world";
-        std::size_t count = 11;
-        void* s = storage;
-        ASSERT_SAME_TYPE(void*, decltype(std::memchr(s, 'l', count)));
-        void* res = std::memchr(s, 'l', count);
-        assert(res == &storage[2]);
-    }
+  {
+    // const void* memchr(const void*, int, size_t)
+    char storage[]    = "hello world";
+    std::size_t count = 11;
+    const void* s     = storage;
+    ASSERT_SAME_TYPE(const void*, decltype(std::memchr(s, 'l', count)));
+    const void* res = std::memchr(s, 'l', count);
+    assert(res == &storage[2]);
+  }
+  {
+    // void* memchr(void*, int, size_t)
+    char storage[]    = "hello world";
+    std::size_t count = 11;
+    void* s           = storage;
+    ASSERT_SAME_TYPE(void*, decltype(std::memchr(s, 'l', count)));
+    void* res = std::memchr(s, 'l', count);
+    assert(res == &storage[2]);
+  }
 
-    {
-        // const char* strstr(const char*, const char*)
-        char storage[] = "hello world";
-        const char* s = storage;
-        ASSERT_SAME_TYPE(const char*, decltype(std::strstr(s, "wor")));
-        const char* res = std::strstr(s, "wor");
-        assert(res == &storage[6]);
-    }
-    {
-        // char* strstr(char*, const char*)
-        char storage[] = "hello world";
-        char* s = storage;
-        ASSERT_SAME_TYPE(char*, decltype(std::strstr(s, "wor")));
-        char* res = std::strstr(s, "wor");
-        assert(res == &storage[6]);
-    }
+  {
+    // const char* strstr(const char*, const char*)
+    char storage[] = "hello world";
+    const char* s  = storage;
+    ASSERT_SAME_TYPE(const char*, decltype(std::strstr(s, "wor")));
+    const char* res = std::strstr(s, "wor");
+    assert(res == &storage[6]);
+  }
+  {
+    // char* strstr(char*, const char*)
+    char storage[] = "hello world";
+    char* s        = storage;
+    ASSERT_SAME_TYPE(char*, decltype(std::strstr(s, "wor")));
+    char* res = std::strstr(s, "wor");
+    assert(res == &storage[6]);
+  }
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/c.strings/cwchar.pass.cpp b/libcxx/test/std/strings/c.strings/cwchar.pass.cpp
--- a/libcxx/test/std/strings/c.strings/cwchar.pass.cpp
+++ b/libcxx/test/std/strings/c.strings/cwchar.pass.cpp
@@ -19,112 +19,111 @@
 #include "test_macros.h"
 
 #ifndef NULL
-#error NULL not defined
+#  error NULL not defined
 #endif
 
 #ifndef WCHAR_MAX
-#error WCHAR_MAX not defined
+#  error WCHAR_MAX not defined
 #endif
 
 #ifndef WCHAR_MIN
-#error WCHAR_MIN not defined
+#  error WCHAR_MIN not defined
 #endif
 
 #ifndef WEOF
-#error WEOF not defined
+#  error WEOF not defined
 #endif
 
-int main(int, char**)
-{
-    std::mbstate_t mb = {};
-    std::size_t s = 0;
-    std::tm *tm = 0;
-    std::wint_t w = 0;
-    ::FILE* fp = 0;
-    std::va_list va;
+int main(int, char**) {
+  std::mbstate_t mb = {};
+  std::size_t s     = 0;
+  std::tm* tm       = 0;
+  std::wint_t w     = 0;
+  ::FILE* fp        = 0;
+  std::va_list va;
 
-    char* ns = 0;
-    wchar_t* ws = 0;
-    const wchar_t* cws = 0;
-    wchar_t** wsp = 0;
+  char* ns           = 0;
+  wchar_t* ws        = 0;
+  const wchar_t* cws = 0;
+  wchar_t** wsp      = 0;
 
-    ((void)mb); // Prevent unused warning
-    ((void)s); // Prevent unused warning
-    ((void)tm); // Prevent unused warning
-    ((void)w); // Prevent unused warning
-    ((void)fp); // Prevent unused warning
-    ((void)va); // Prevent unused warning
-    ((void)ns); // Prevent unused warning
-    ((void)ws); // Prevent unused warning
-    ((void)cws); // Prevent unused warning
-    ((void)wsp); // Prevent unused warning
+  ((void)mb);  // Prevent unused warning
+  ((void)s);   // Prevent unused warning
+  ((void)tm);  // Prevent unused warning
+  ((void)w);   // Prevent unused warning
+  ((void)fp);  // Prevent unused warning
+  ((void)va);  // Prevent unused warning
+  ((void)ns);  // Prevent unused warning
+  ((void)ws);  // Prevent unused warning
+  ((void)cws); // Prevent unused warning
+  ((void)wsp); // Prevent unused warning
 
-    ASSERT_SAME_TYPE(int,                decltype(std::fwprintf(fp, L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::fwscanf(fp, L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::swprintf(ws, s, L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::swscanf(L"", L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::vfwprintf(fp, L"", va)));
-    ASSERT_SAME_TYPE(int,                decltype(std::vfwscanf(fp, L"", va)));
-    ASSERT_SAME_TYPE(int,                decltype(std::vswprintf(ws, s, L"", va)));
-    ASSERT_SAME_TYPE(int,                decltype(std::vswscanf(L"", L"", va)));
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::fgetwc(fp)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::fgetws(ws, 0, fp)));
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::fputwc(L' ', fp)));
-    ASSERT_SAME_TYPE(int,                decltype(std::fputws(L"", fp)));
-    ASSERT_SAME_TYPE(int,                decltype(std::fwide(fp, 0)));
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::getwc(fp)));
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::putwc(L' ', fp)));
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::ungetwc(L' ', fp)));
-    ASSERT_SAME_TYPE(double,             decltype(std::wcstod(L"", wsp)));
-    ASSERT_SAME_TYPE(float,              decltype(std::wcstof(L"", wsp)));
-    ASSERT_SAME_TYPE(long double,        decltype(std::wcstold(L"", wsp)));
-    ASSERT_SAME_TYPE(long,               decltype(std::wcstol(L"", wsp, 0)));
-    ASSERT_SAME_TYPE(long long,          decltype(std::wcstoll(L"", wsp, 0)));
-    ASSERT_SAME_TYPE(unsigned long,      decltype(std::wcstoul(L"", wsp, 0)));
-    ASSERT_SAME_TYPE(unsigned long long, decltype(std::wcstoull(L"", wsp, 0)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcscpy(ws, L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcsncpy(ws, L"", s)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcscat(ws, L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcsncat(ws, L"", s)));
-    ASSERT_SAME_TYPE(int,                decltype(std::wcscmp(L"", L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::wcscoll(L"", L"")));
-    ASSERT_SAME_TYPE(int,                decltype(std::wcsncmp(L"", L"", s)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcsxfrm(ws, L"", s)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcschr(ws, L' ')));
-    ASSERT_SAME_TYPE(const wchar_t*,     decltype(std::wcschr(cws, L' ')));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcscspn(L"", L"")));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcslen(L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcspbrk(ws, L"")));
-    ASSERT_SAME_TYPE(const wchar_t*,     decltype(std::wcspbrk(cws, L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcsrchr(ws, L' ')));
-    ASSERT_SAME_TYPE(const wchar_t*,     decltype(std::wcsrchr(cws, L' ')));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcsspn(L"", L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcsstr(ws, L"")));
-    ASSERT_SAME_TYPE(const wchar_t*,     decltype(std::wcsstr(cws, L"")));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wcstok(ws, L"", wsp)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wmemchr(ws, L' ', s)));
-    ASSERT_SAME_TYPE(const wchar_t*,     decltype(std::wmemchr(cws, L' ', s)));
-    ASSERT_SAME_TYPE(int,                decltype(std::wmemcmp(L"", L"", s)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wmemcpy(ws, L"", s)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wmemmove(ws, L"", s)));
-    ASSERT_SAME_TYPE(wchar_t*,           decltype(std::wmemset(ws, L' ', s)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcsftime(ws, s, L"", tm)));
-    ASSERT_SAME_TYPE(wint_t,             decltype(std::btowc(0)));
-    ASSERT_SAME_TYPE(int,                decltype(std::wctob(w)));
-    ASSERT_SAME_TYPE(int,                decltype(std::mbsinit(&mb)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::mbrlen("", s, &mb)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::mbrtowc(ws, "", s, &mb)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcrtomb(ns, L' ', &mb)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)));
-    ASSERT_SAME_TYPE(std::size_t,        decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)));
+  ASSERT_SAME_TYPE(int, decltype(std::fwprintf(fp, L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::fwscanf(fp, L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::swprintf(ws, s, L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::swscanf(L"", L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::vfwprintf(fp, L"", va)));
+  ASSERT_SAME_TYPE(int, decltype(std::vfwscanf(fp, L"", va)));
+  ASSERT_SAME_TYPE(int, decltype(std::vswprintf(ws, s, L"", va)));
+  ASSERT_SAME_TYPE(int, decltype(std::vswscanf(L"", L"", va)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::fgetwc(fp)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::fgetws(ws, 0, fp)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::fputwc(L' ', fp)));
+  ASSERT_SAME_TYPE(int, decltype(std::fputws(L"", fp)));
+  ASSERT_SAME_TYPE(int, decltype(std::fwide(fp, 0)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwc(fp)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwc(L' ', fp)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::ungetwc(L' ', fp)));
+  ASSERT_SAME_TYPE(double, decltype(std::wcstod(L"", wsp)));
+  ASSERT_SAME_TYPE(float, decltype(std::wcstof(L"", wsp)));
+  ASSERT_SAME_TYPE(long double, decltype(std::wcstold(L"", wsp)));
+  ASSERT_SAME_TYPE(long, decltype(std::wcstol(L"", wsp, 0)));
+  ASSERT_SAME_TYPE(long long, decltype(std::wcstoll(L"", wsp, 0)));
+  ASSERT_SAME_TYPE(unsigned long, decltype(std::wcstoul(L"", wsp, 0)));
+  ASSERT_SAME_TYPE(unsigned long long, decltype(std::wcstoull(L"", wsp, 0)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscpy(ws, L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncpy(ws, L"", s)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscat(ws, L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncat(ws, L"", s)));
+  ASSERT_SAME_TYPE(int, decltype(std::wcscmp(L"", L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::wcscoll(L"", L"")));
+  ASSERT_SAME_TYPE(int, decltype(std::wcsncmp(L"", L"", s)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsxfrm(ws, L"", s)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcschr(ws, L' ')));
+  ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcschr(cws, L' ')));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcscspn(L"", L"")));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcslen(L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcspbrk(ws, L"")));
+  ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcspbrk(cws, L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsrchr(ws, L' ')));
+  ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsrchr(cws, L' ')));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsspn(L"", L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsstr(ws, L"")));
+  ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsstr(cws, L"")));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcstok(ws, L"", wsp)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemchr(ws, L' ', s)));
+  ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wmemchr(cws, L' ', s)));
+  ASSERT_SAME_TYPE(int, decltype(std::wmemcmp(L"", L"", s)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemcpy(ws, L"", s)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemmove(ws, L"", s)));
+  ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemset(ws, L' ', s)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsftime(ws, s, L"", tm)));
+  ASSERT_SAME_TYPE(wint_t, decltype(std::btowc(0)));
+  ASSERT_SAME_TYPE(int, decltype(std::wctob(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::mbsinit(&mb)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrlen("", s, &mb)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrtowc(ws, "", s, &mb)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcrtomb(ns, L' ', &mb)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)));
+  ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)));
 
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::getwchar()));
-    ASSERT_SAME_TYPE(int,                decltype(std::vwscanf(L"", va)));
-    ASSERT_SAME_TYPE(int,                decltype(std::wscanf(L"")));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwchar()));
+  ASSERT_SAME_TYPE(int, decltype(std::vwscanf(L"", va)));
+  ASSERT_SAME_TYPE(int, decltype(std::wscanf(L"")));
 
-    ASSERT_SAME_TYPE(std::wint_t,        decltype(std::putwchar(L' ')));
-    ASSERT_SAME_TYPE(int,                decltype(std::vwprintf(L"", va)));
-    ASSERT_SAME_TYPE(int,                decltype(std::wprintf(L"")));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwchar(L' ')));
+  ASSERT_SAME_TYPE(int, decltype(std::vwprintf(L"", va)));
+  ASSERT_SAME_TYPE(int, decltype(std::wprintf(L"")));
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/c.strings/cwctype.pass.cpp b/libcxx/test/std/strings/c.strings/cwctype.pass.cpp
--- a/libcxx/test/std/strings/c.strings/cwctype.pass.cpp
+++ b/libcxx/test/std/strings/c.strings/cwctype.pass.cpp
@@ -15,106 +15,104 @@
 
 #include "test_macros.h"
 
-
 #ifndef WEOF
-#error WEOF not defined
+#  error WEOF not defined
 #endif
 
 #ifdef iswalnum
-#error iswalnum defined
+#  error iswalnum defined
 #endif
 
 #ifdef iswalpha
-#error iswalpha defined
+#  error iswalpha defined
 #endif
 
 #ifdef iswblank
-#error iswblank defined
+#  error iswblank defined
 #endif
 
 #ifdef iswcntrl
-#error iswcntrl defined
+#  error iswcntrl defined
 #endif
 
 #ifdef iswdigit
-#error iswdigit defined
+#  error iswdigit defined
 #endif
 
 #ifdef iswgraph
-#error iswgraph defined
+#  error iswgraph defined
 #endif
 
 #ifdef iswlower
-#error iswlower defined
+#  error iswlower defined
 #endif
 
 #ifdef iswprint
-#error iswprint defined
+#  error iswprint defined
 #endif
 
 #ifdef iswpunct
-#error iswpunct defined
+#  error iswpunct defined
 #endif
 
 #ifdef iswspace
-#error iswspace defined
+#  error iswspace defined
 #endif
 
 #ifdef iswupper
-#error iswupper defined
+#  error iswupper defined
 #endif
 
 #ifdef iswxdigit
-#error iswxdigit defined
+#  error iswxdigit defined
 #endif
 
 #ifdef iswctype
-#error iswctype defined
+#  error iswctype defined
 #endif
 
 #ifdef wctype
-#error wctype defined
+#  error wctype defined
 #endif
 
 #ifdef towlower
-#error towlower defined
+#  error towlower defined
 #endif
 
 #ifdef towupper
-#error towupper defined
+#  error towupper defined
 #endif
 
 #ifdef towctrans
-#error towctrans defined
+#  error towctrans defined
 #endif
 
 #ifdef wctrans
-#error wctrans defined
-#endif
-
-int main(int, char**)
-{
-    std::wint_t w = 0;
-    ASSERT_SAME_TYPE(int, decltype(std::iswalnum(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswalpha(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswblank(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswcntrl(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswdigit(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswgraph(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswlower(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswprint(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswpunct(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswspace(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswupper(w)));
-    ASSERT_SAME_TYPE(int, decltype(std::iswxdigit(w)));
-
-    ASSERT_SAME_TYPE(int, decltype(std::iswctype(w, std::wctype_t())));
-
-    ASSERT_SAME_TYPE(std::wctype_t,  decltype(std::wctype("")));
-    ASSERT_SAME_TYPE(std::wint_t,    decltype(std::towlower(w)));
-    ASSERT_SAME_TYPE(std::wint_t,    decltype(std::towupper(w)));
-    ASSERT_SAME_TYPE(std::wint_t,    decltype(std::towctrans(w, std::wctrans_t())));
-    ASSERT_SAME_TYPE(std::wctrans_t, decltype(std::wctrans("")));
+#  error wctrans defined
+#endif
+
+int main(int, char**) {
+  std::wint_t w = 0;
+  ASSERT_SAME_TYPE(int, decltype(std::iswalnum(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswalpha(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswblank(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswcntrl(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswdigit(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswgraph(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswlower(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswprint(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswpunct(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswspace(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswupper(w)));
+  ASSERT_SAME_TYPE(int, decltype(std::iswxdigit(w)));
+
+  ASSERT_SAME_TYPE(int, decltype(std::iswctype(w, std::wctype_t())));
+
+  ASSERT_SAME_TYPE(std::wctype_t, decltype(std::wctype("")));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::towlower(w)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::towupper(w)));
+  ASSERT_SAME_TYPE(std::wint_t, decltype(std::towctrans(w, std::wctrans_t())));
+  ASSERT_SAME_TYPE(std::wctrans_t, decltype(std::wctrans("")));
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.require/nothing_to_do.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.require/nothing_to_do.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.require/nothing_to_do.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.require/nothing_to_do.pass.cpp
@@ -6,8 +6,4 @@
 //
 //===----------------------------------------------------------------------===//
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign2.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign2.pass.cpp
@@ -19,22 +19,20 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    char c = '1';
-    std::char_traits<char>::assign(c, 'a');
-    return c == 'a';
+constexpr bool test_constexpr() {
+  char c = '1';
+  std::char_traits<char>::assign(c, 'a');
+  return c == 'a';
 }
 #endif
 
-int main(int, char**)
-{
-    char c = '\0';
-    std::char_traits<char>::assign(c, 'a');
-    assert(c == 'a');
+int main(int, char**) {
+  char c = '\0';
+  std::char_traits<char>::assign(c, 'a');
+  assert(c == 'a');
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign3.pass.cpp
@@ -17,24 +17,22 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char s2[3] = {0};
-    assert(std::char_traits<char>::assign(s2, 3, char(5)) == s2);
-    assert(s2[0] == char(5));
-    assert(s2[1] == char(5));
-    assert(s2[2] == char(5));
-    assert(std::char_traits<char>::assign(NULL, 0, char(5)) == NULL);
+TEST_CONSTEXPR_CXX20 bool test() {
+  char s2[3] = {0};
+  assert(std::char_traits<char>::assign(s2, 3, char(5)) == s2);
+  assert(s2[0] == char(5));
+  assert(s2[1] == char(5));
+  assert(s2[2] == char(5));
+  assert(std::char_traits<char>::assign(NULL, 0, char(5)) == NULL);
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/compare.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/compare.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/compare.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/compare.pass.cpp
@@ -19,39 +19,36 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char>::compare("123", "223", 3) < 0
-        && std::char_traits<char>::compare("223", "123", 3) > 0
-        && std::char_traits<char>::compare("123", "123", 3) == 0;
+constexpr bool test_constexpr() {
+  return std::char_traits<char>::compare("123", "223", 3) < 0 && std::char_traits<char>::compare("223", "123", 3) > 0 &&
+         std::char_traits<char>::compare("123", "123", 3) == 0;
 }
 #endif
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::compare("", "", 0) == 0);
-    assert(std::char_traits<char>::compare(NULL, NULL, 0) == 0);
-
-    assert(std::char_traits<char>::compare("1", "1", 1) == 0);
-    assert(std::char_traits<char>::compare("1", "2", 1) < 0);
-    assert(std::char_traits<char>::compare("2", "1", 1) > 0);
-
-    assert(std::char_traits<char>::compare("12", "12", 2) == 0);
-    assert(std::char_traits<char>::compare("12", "13", 2) < 0);
-    assert(std::char_traits<char>::compare("12", "22", 2) < 0);
-    assert(std::char_traits<char>::compare("13", "12", 2) > 0);
-    assert(std::char_traits<char>::compare("22", "12", 2) > 0);
-
-    assert(std::char_traits<char>::compare("123", "123", 3) == 0);
-    assert(std::char_traits<char>::compare("123", "223", 3) < 0);
-    assert(std::char_traits<char>::compare("123", "133", 3) < 0);
-    assert(std::char_traits<char>::compare("123", "124", 3) < 0);
-    assert(std::char_traits<char>::compare("223", "123", 3) > 0);
-    assert(std::char_traits<char>::compare("133", "123", 3) > 0);
-    assert(std::char_traits<char>::compare("124", "123", 3) > 0);
+int main(int, char**) {
+  assert(std::char_traits<char>::compare("", "", 0) == 0);
+  assert(std::char_traits<char>::compare(NULL, NULL, 0) == 0);
+
+  assert(std::char_traits<char>::compare("1", "1", 1) == 0);
+  assert(std::char_traits<char>::compare("1", "2", 1) < 0);
+  assert(std::char_traits<char>::compare("2", "1", 1) > 0);
+
+  assert(std::char_traits<char>::compare("12", "12", 2) == 0);
+  assert(std::char_traits<char>::compare("12", "13", 2) < 0);
+  assert(std::char_traits<char>::compare("12", "22", 2) < 0);
+  assert(std::char_traits<char>::compare("13", "12", 2) > 0);
+  assert(std::char_traits<char>::compare("22", "12", 2) > 0);
+
+  assert(std::char_traits<char>::compare("123", "123", 3) == 0);
+  assert(std::char_traits<char>::compare("123", "223", 3) < 0);
+  assert(std::char_traits<char>::compare("123", "133", 3) < 0);
+  assert(std::char_traits<char>::compare("123", "124", 3) < 0);
+  assert(std::char_traits<char>::compare("223", "123", 3) > 0);
+  assert(std::char_traits<char>::compare("133", "123", 3) > 0);
+  assert(std::char_traits<char>::compare("124", "123", 3) > 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/copy.pass.cpp
@@ -17,26 +17,24 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char s1[] = {1, 2, 3};
-    char s2[3] = {0};
-    assert(std::char_traits<char>::copy(s2, s1, 3) == s2);
-    assert(s2[0] == char(1));
-    assert(s2[1] == char(2));
-    assert(s2[2] == char(3));
-    assert(std::char_traits<char>::copy(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char>::copy(s1, NULL, 0) == s1);
+TEST_CONSTEXPR_CXX20 bool test() {
+  char s1[]  = {1, 2, 3};
+  char s2[3] = {0};
+  assert(std::char_traits<char>::copy(s2, s1, 3) == s2);
+  assert(s2[0] == char(1));
+  assert(s2[1] == char(2));
+  assert(s2[2] == char(3));
+  assert(std::char_traits<char>::copy(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char>::copy(s1, NULL, 0) == s1);
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eof.pass.cpp
@@ -17,9 +17,8 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::eof() == EOF);
+int main(int, char**) {
+  assert(std::char_traits<char>::eof() == EOF);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq.pass.cpp
@@ -17,10 +17,9 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::eq('a', 'a'));
-    assert(!std::char_traits<char>::eq('a', 'A'));
+int main(int, char**) {
+  assert(std::char_traits<char>::eq('a', 'a'));
+  assert(!std::char_traits<char>::eq('a', 'A'));
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/eq_int_type.pass.cpp
@@ -17,13 +17,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert( std::char_traits<char>::eq_int_type('a', 'a'));
-    assert(!std::char_traits<char>::eq_int_type('a', 'A'));
-    assert(!std::char_traits<char>::eq_int_type(std::char_traits<char>::eof(), 'A'));
-    assert( std::char_traits<char>::eq_int_type(std::char_traits<char>::eof(),
-                                                std::char_traits<char>::eof()));
+int main(int, char**) {
+  assert(std::char_traits<char>::eq_int_type('a', 'a'));
+  assert(!std::char_traits<char>::eq_int_type('a', 'A'));
+  assert(!std::char_traits<char>::eq_int_type(std::char_traits<char>::eof(), 'A'));
+  assert(std::char_traits<char>::eq_int_type(std::char_traits<char>::eof(), std::char_traits<char>::eof()));
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/find.pass.cpp
@@ -19,28 +19,24 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    constexpr const char *p = "123";
-    return std::char_traits<char>::find(p, 3, '1') == p
-        && std::char_traits<char>::find(p, 3, '2') == p + 1
-        && std::char_traits<char>::find(p, 3, '3') == p + 2
-        && std::char_traits<char>::find(p, 3, '4') == nullptr;
+constexpr bool test_constexpr() {
+  constexpr const char* p = "123";
+  return std::char_traits<char>::find(p, 3, '1') == p && std::char_traits<char>::find(p, 3, '2') == p + 1 &&
+         std::char_traits<char>::find(p, 3, '3') == p + 2 && std::char_traits<char>::find(p, 3, '4') == nullptr;
 }
 #endif
 
-int main(int, char**)
-{
-    char s1[] = {1, 2, 3};
-    assert(std::char_traits<char>::find(s1, 3, char(1)) == s1);
-    assert(std::char_traits<char>::find(s1, 3, char(2)) == s1+1);
-    assert(std::char_traits<char>::find(s1, 3, char(3)) == s1+2);
-    assert(std::char_traits<char>::find(s1, 3, char(4)) == 0);
-    assert(std::char_traits<char>::find(s1, 3, char(0)) == 0);
-    assert(std::char_traits<char>::find(NULL, 0, char(0)) == 0);
+int main(int, char**) {
+  char s1[] = {1, 2, 3};
+  assert(std::char_traits<char>::find(s1, 3, char(1)) == s1);
+  assert(std::char_traits<char>::find(s1, 3, char(2)) == s1 + 1);
+  assert(std::char_traits<char>::find(s1, 3, char(3)) == s1 + 2);
+  assert(std::char_traits<char>::find(s1, 3, char(4)) == 0);
+  assert(std::char_traits<char>::find(s1, 3, char(0)) == 0);
+  assert(std::char_traits<char>::find(NULL, 0, char(0)) == 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/length.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/length.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/length.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/length.pass.cpp
@@ -19,24 +19,20 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char>::length("") == 0
-        && std::char_traits<char>::length("abcd") == 4;
+constexpr bool test_constexpr() {
+  return std::char_traits<char>::length("") == 0 && std::char_traits<char>::length("abcd") == 4;
 }
 #endif
 
-
-int main(int, char**)
-{
-    assert(std::char_traits<char>::length("") == 0);
-    assert(std::char_traits<char>::length("a") == 1);
-    assert(std::char_traits<char>::length("aa") == 2);
-    assert(std::char_traits<char>::length("aaa") == 3);
-    assert(std::char_traits<char>::length("aaaa") == 4);
+int main(int, char**) {
+  assert(std::char_traits<char>::length("") == 0);
+  assert(std::char_traits<char>::length("a") == 1);
+  assert(std::char_traits<char>::length("aa") == 2);
+  assert(std::char_traits<char>::length("aaa") == 3);
+  assert(std::char_traits<char>::length("aaaa") == 4);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/lt.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/lt.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/lt.pass.cpp
@@ -17,8 +17,7 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
   assert(std::char_traits<char>::lt('\0', 'A') == ('\0' < 'A'));
   assert(std::char_traits<char>::lt('A', '\0') == ('A' < '\0'));
 
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/move.pass.cpp
@@ -17,30 +17,28 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char s1[] = {1, 2, 3};
-    assert(std::char_traits<char>::move(s1, s1+1, 2) == s1);
-    assert(s1[0] == char(2));
-    assert(s1[1] == char(3));
-    assert(s1[2] == char(3));
-    s1[2] = char(0);
-    assert(std::char_traits<char>::move(s1+1, s1, 2) == s1+1);
-    assert(s1[0] == char(2));
-    assert(s1[1] == char(2));
-    assert(s1[2] == char(3));
-    assert(std::char_traits<char>::move(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char>::move(s1, NULL, 0) == s1);
+TEST_CONSTEXPR_CXX20 bool test() {
+  char s1[] = {1, 2, 3};
+  assert(std::char_traits<char>::move(s1, s1 + 1, 2) == s1);
+  assert(s1[0] == char(2));
+  assert(s1[1] == char(3));
+  assert(s1[2] == char(3));
+  s1[2] = char(0);
+  assert(std::char_traits<char>::move(s1 + 1, s1, 2) == s1 + 1);
+  assert(s1[0] == char(2));
+  assert(s1[1] == char(2));
+  assert(s1[2] == char(3));
+  assert(std::char_traits<char>::move(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char>::move(s1, NULL, 0) == s1);
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/not_eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/not_eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/not_eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/not_eof.pass.cpp
@@ -17,13 +17,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::not_eof('a') == 'a');
-    assert(std::char_traits<char>::not_eof('A') == 'A');
-    assert(std::char_traits<char>::not_eof(0) == 0);
-    assert(std::char_traits<char>::not_eof(std::char_traits<char>::eof()) !=
-           std::char_traits<char>::eof());
+int main(int, char**) {
+  assert(std::char_traits<char>::not_eof('a') == 'a');
+  assert(std::char_traits<char>::not_eof('A') == 'A');
+  assert(std::char_traits<char>::not_eof(0) == 0);
+  assert(std::char_traits<char>::not_eof(std::char_traits<char>::eof()) != std::char_traits<char>::eof());
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_char_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_char_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_char_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_char_type.pass.cpp
@@ -17,11 +17,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::to_char_type('a') == 'a');
-    assert(std::char_traits<char>::to_char_type('A') == 'A');
-    assert(std::char_traits<char>::to_char_type(0) == 0);
+int main(int, char**) {
+  assert(std::char_traits<char>::to_char_type('a') == 'a');
+  assert(std::char_traits<char>::to_char_type('A') == 'A');
+  assert(std::char_traits<char>::to_char_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/to_int_type.pass.cpp
@@ -17,11 +17,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<char>::to_int_type('a') == 'a');
-    assert(std::char_traits<char>::to_int_type('A') == 'A');
-    assert(std::char_traits<char>::to_int_type(0) == 0);
+int main(int, char**) {
+  assert(std::char_traits<char>::to_int_type('a') == 'a');
+  assert(std::char_traits<char>::to_int_type('A') == 'A');
+  assert(std::char_traits<char>::to_int_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
@@ -19,24 +19,22 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    char16_t c = u'1';
-    std::char_traits<char16_t>::assign(c, u'a');
-    return c == u'a';
+constexpr bool test_constexpr() {
+  char16_t c = u'1';
+  std::char_traits<char16_t>::assign(c, u'a');
+  return c == u'a';
 }
 #endif
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    char16_t c = u'\0';
-    std::char_traits<char16_t>::assign(c, u'a');
-    assert(c == u'a');
+  char16_t c = u'\0';
+  std::char_traits<char16_t>::assign(c, u'a');
+  assert(c == u'a');
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign3.pass.cpp
@@ -17,24 +17,22 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char16_t s2[3] = {0};
-    assert(std::char_traits<char16_t>::assign(s2, 3, char16_t(5)) == s2);
-    assert(s2[0] == char16_t(5));
-    assert(s2[1] == char16_t(5));
-    assert(s2[2] == char16_t(5));
-    assert(std::char_traits<char16_t>::assign(NULL, 0, char16_t(5)) == NULL);
+TEST_CONSTEXPR_CXX20 bool test() {
+  char16_t s2[3] = {0};
+  assert(std::char_traits<char16_t>::assign(s2, 3, char16_t(5)) == s2);
+  assert(s2[0] == char16_t(5));
+  assert(s2[1] == char16_t(5));
+  assert(s2[2] == char16_t(5));
+  assert(std::char_traits<char16_t>::assign(NULL, 0, char16_t(5)) == NULL);
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp
@@ -19,42 +19,39 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0
-        && std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0
-        && std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0;
+constexpr bool test_constexpr() {
+  return std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0 &&
+         std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0 &&
+         std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0;
 }
 #endif
 
-
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char16_t>::compare(u"", u"", 0) == 0);
-    assert(std::char_traits<char16_t>::compare(NULL, NULL, 0) == 0);
-
-    assert(std::char_traits<char16_t>::compare(u"1", u"1", 1) == 0);
-    assert(std::char_traits<char16_t>::compare(u"1", u"2", 1) < 0);
-    assert(std::char_traits<char16_t>::compare(u"2", u"1", 1) > 0);
-
-    assert(std::char_traits<char16_t>::compare(u"12", u"12", 2) == 0);
-    assert(std::char_traits<char16_t>::compare(u"12", u"13", 2) < 0);
-    assert(std::char_traits<char16_t>::compare(u"12", u"22", 2) < 0);
-    assert(std::char_traits<char16_t>::compare(u"13", u"12", 2) > 0);
-    assert(std::char_traits<char16_t>::compare(u"22", u"12", 2) > 0);
-
-    assert(std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0);
-    assert(std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0);
-    assert(std::char_traits<char16_t>::compare(u"123", u"133", 3) < 0);
-    assert(std::char_traits<char16_t>::compare(u"123", u"124", 3) < 0);
-    assert(std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0);
-    assert(std::char_traits<char16_t>::compare(u"133", u"123", 3) > 0);
-    assert(std::char_traits<char16_t>::compare(u"124", u"123", 3) > 0);
+  assert(std::char_traits<char16_t>::compare(u"", u"", 0) == 0);
+  assert(std::char_traits<char16_t>::compare(NULL, NULL, 0) == 0);
+
+  assert(std::char_traits<char16_t>::compare(u"1", u"1", 1) == 0);
+  assert(std::char_traits<char16_t>::compare(u"1", u"2", 1) < 0);
+  assert(std::char_traits<char16_t>::compare(u"2", u"1", 1) > 0);
+
+  assert(std::char_traits<char16_t>::compare(u"12", u"12", 2) == 0);
+  assert(std::char_traits<char16_t>::compare(u"12", u"13", 2) < 0);
+  assert(std::char_traits<char16_t>::compare(u"12", u"22", 2) < 0);
+  assert(std::char_traits<char16_t>::compare(u"13", u"12", 2) > 0);
+  assert(std::char_traits<char16_t>::compare(u"22", u"12", 2) > 0);
+
+  assert(std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0);
+  assert(std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0);
+  assert(std::char_traits<char16_t>::compare(u"123", u"133", 3) < 0);
+  assert(std::char_traits<char16_t>::compare(u"123", u"124", 3) < 0);
+  assert(std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0);
+  assert(std::char_traits<char16_t>::compare(u"133", u"123", 3) > 0);
+  assert(std::char_traits<char16_t>::compare(u"124", u"123", 3) > 0);
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/copy.pass.cpp
@@ -17,27 +17,25 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char16_t s1[] = {1, 2, 3};
-    char16_t s2[3] = {0};
-    assert(std::char_traits<char16_t>::copy(s2, s1, 3) == s2);
-    assert(s2[0] == char16_t(1));
-    assert(s2[1] == char16_t(2));
-    assert(s2[2] == char16_t(3));
-    assert(std::char_traits<char16_t>::copy(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char16_t>::copy(s1, NULL, 0) == s1);
-
-    return true;
+TEST_CONSTEXPR_CXX20 bool test() {
+  char16_t s1[]  = {1, 2, 3};
+  char16_t s2[3] = {0};
+  assert(std::char_traits<char16_t>::copy(s2, s1, 3) == s2);
+  assert(s2[0] == char16_t(1));
+  assert(s2[1] == char16_t(2));
+  assert(s2[2] == char16_t(3));
+  assert(std::char_traits<char16_t>::copy(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char16_t>::copy(s1, NULL, 0) == s1);
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eof.pass.cpp
@@ -14,9 +14,8 @@
 
 #include <string>
 
-int main(int, char**)
-{
-    std::char_traits<char16_t>::int_type i = std::char_traits<char16_t>::eof();
-    ((void)i); // Prevent unused warning
-    return 0;
+int main(int, char**) {
+  std::char_traits<char16_t>::int_type i = std::char_traits<char16_t>::eof();
+  ((void)i); // Prevent unused warning
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq.pass.cpp
@@ -17,9 +17,8 @@
 #include <string>
 #include <cassert>
 
-int main(int, char**)
-{
-    assert(std::char_traits<char16_t>::eq(u'a', u'a'));
-    assert(!std::char_traits<char16_t>::eq(u'a', u'A'));
-    return 0;
+int main(int, char**) {
+  assert(std::char_traits<char16_t>::eq(u'a', u'a'));
+  assert(!std::char_traits<char16_t>::eq(u'a', u'A'));
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/eq_int_type.pass.cpp
@@ -17,15 +17,13 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert( std::char_traits<char16_t>::eq_int_type(u'a', u'a'));
-    assert(!std::char_traits<char16_t>::eq_int_type(u'a', u'A'));
-    assert(!std::char_traits<char16_t>::eq_int_type(std::char_traits<char16_t>::eof(), u'A'));
+  assert(std::char_traits<char16_t>::eq_int_type(u'a', u'a'));
+  assert(!std::char_traits<char16_t>::eq_int_type(u'a', u'A'));
+  assert(!std::char_traits<char16_t>::eq_int_type(std::char_traits<char16_t>::eof(), u'A'));
 #endif
-    assert( std::char_traits<char16_t>::eq_int_type(std::char_traits<char16_t>::eof(),
-                                                    std::char_traits<char16_t>::eof()));
+  assert(std::char_traits<char16_t>::eq_int_type(std::char_traits<char16_t>::eof(), std::char_traits<char16_t>::eof()));
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp
@@ -19,28 +19,25 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    constexpr const char16_t *p = u"123";
-    return std::char_traits<char16_t>::find(p, 3, u'1') == p
-        && std::char_traits<char16_t>::find(p, 3, u'2') == p + 1
-        && std::char_traits<char16_t>::find(p, 3, u'3') == p + 2
-        && std::char_traits<char16_t>::find(p, 3, u'4') == nullptr;
+constexpr bool test_constexpr() {
+  constexpr const char16_t* p = u"123";
+  return std::char_traits<char16_t>::find(p, 3, u'1') == p && std::char_traits<char16_t>::find(p, 3, u'2') == p + 1 &&
+         std::char_traits<char16_t>::find(p, 3, u'3') == p + 2 &&
+         std::char_traits<char16_t>::find(p, 3, u'4') == nullptr;
 }
 #endif
 
-int main(int, char**)
-{
-    char16_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char16_t>::find(s1, 3, char16_t(1)) == s1);
-    assert(std::char_traits<char16_t>::find(s1, 3, char16_t(2)) == s1+1);
-    assert(std::char_traits<char16_t>::find(s1, 3, char16_t(3)) == s1+2);
-    assert(std::char_traits<char16_t>::find(s1, 3, char16_t(4)) == 0);
-    assert(std::char_traits<char16_t>::find(s1, 3, char16_t(0)) == 0);
-    assert(std::char_traits<char16_t>::find(NULL, 0, char16_t(0)) == 0);
+int main(int, char**) {
+  char16_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char16_t>::find(s1, 3, char16_t(1)) == s1);
+  assert(std::char_traits<char16_t>::find(s1, 3, char16_t(2)) == s1 + 1);
+  assert(std::char_traits<char16_t>::find(s1, 3, char16_t(3)) == s1 + 2);
+  assert(std::char_traits<char16_t>::find(s1, 3, char16_t(4)) == 0);
+  assert(std::char_traits<char16_t>::find(s1, 3, char16_t(0)) == 0);
+  assert(std::char_traits<char16_t>::find(NULL, 0, char16_t(0)) == 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp
@@ -19,25 +19,22 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char16_t>::length(u"") == 0
-        && std::char_traits<char16_t>::length(u"abcd") == 4;
+constexpr bool test_constexpr() {
+  return std::char_traits<char16_t>::length(u"") == 0 && std::char_traits<char16_t>::length(u"abcd") == 4;
 }
 #endif
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char16_t>::length(u"") == 0);
-    assert(std::char_traits<char16_t>::length(u"a") == 1);
-    assert(std::char_traits<char16_t>::length(u"aa") == 2);
-    assert(std::char_traits<char16_t>::length(u"aaa") == 3);
-    assert(std::char_traits<char16_t>::length(u"aaaa") == 4);
+  assert(std::char_traits<char16_t>::length(u"") == 0);
+  assert(std::char_traits<char16_t>::length(u"a") == 1);
+  assert(std::char_traits<char16_t>::length(u"aa") == 2);
+  assert(std::char_traits<char16_t>::length(u"aaa") == 3);
+  assert(std::char_traits<char16_t>::length(u"aaaa") == 4);
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/lt.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/lt.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/lt.pass.cpp
@@ -17,9 +17,8 @@
 #include <string>
 #include <cassert>
 
-int main(int, char**)
-{
-    assert(!std::char_traits<char16_t>::lt(u'a', u'a'));
-    assert( std::char_traits<char16_t>::lt(u'A', u'a'));
-    return 0;
+int main(int, char**) {
+  assert(!std::char_traits<char16_t>::lt(u'a', u'a'));
+  assert(std::char_traits<char16_t>::lt(u'A', u'a'));
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/move.pass.cpp
@@ -17,30 +17,28 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char16_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char16_t>::move(s1, s1+1, 2) == s1);
-    assert(s1[0] == char16_t(2));
-    assert(s1[1] == char16_t(3));
-    assert(s1[2] == char16_t(3));
-    s1[2] = char16_t(0);
-    assert(std::char_traits<char16_t>::move(s1+1, s1, 2) == s1+1);
-    assert(s1[0] == char16_t(2));
-    assert(s1[1] == char16_t(2));
-    assert(s1[2] == char16_t(3));
-    assert(std::char_traits<char16_t>::move(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char16_t>::move(s1, NULL, 0) == s1);
-
-    return true;
+TEST_CONSTEXPR_CXX20 bool test() {
+  char16_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char16_t>::move(s1, s1 + 1, 2) == s1);
+  assert(s1[0] == char16_t(2));
+  assert(s1[1] == char16_t(3));
+  assert(s1[2] == char16_t(3));
+  s1[2] = char16_t(0);
+  assert(std::char_traits<char16_t>::move(s1 + 1, s1, 2) == s1 + 1);
+  assert(s1[0] == char16_t(2));
+  assert(s1[1] == char16_t(2));
+  assert(s1[2] == char16_t(3));
+  assert(std::char_traits<char16_t>::move(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char16_t>::move(s1, NULL, 0) == s1);
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/not_eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/not_eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/not_eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/not_eof.pass.cpp
@@ -17,15 +17,13 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char16_t>::not_eof(u'a') == u'a');
-    assert(std::char_traits<char16_t>::not_eof(u'A') == u'A');
+  assert(std::char_traits<char16_t>::not_eof(u'a') == u'a');
+  assert(std::char_traits<char16_t>::not_eof(u'A') == u'A');
 #endif
-    assert(std::char_traits<char16_t>::not_eof(0) == 0);
-    assert(std::char_traits<char16_t>::not_eof(std::char_traits<char16_t>::eof()) !=
-           std::char_traits<char16_t>::eof());
+  assert(std::char_traits<char16_t>::not_eof(0) == 0);
+  assert(std::char_traits<char16_t>::not_eof(std::char_traits<char16_t>::eof()) != std::char_traits<char16_t>::eof());
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_char_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_char_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_char_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_char_type.pass.cpp
@@ -17,13 +17,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char16_t>::to_char_type(u'a') == u'a');
-    assert(std::char_traits<char16_t>::to_char_type(u'A') == u'A');
+  assert(std::char_traits<char16_t>::to_char_type(u'a') == u'a');
+  assert(std::char_traits<char16_t>::to_char_type(u'A') == u'A');
 #endif
-    assert(std::char_traits<char16_t>::to_char_type(0) == 0);
+  assert(std::char_traits<char16_t>::to_char_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/to_int_type.pass.cpp
@@ -17,13 +17,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char16_t>::to_int_type(u'a') == u'a');
-    assert(std::char_traits<char16_t>::to_int_type(u'A') == u'A');
+  assert(std::char_traits<char16_t>::to_int_type(u'a') == u'a');
+  assert(std::char_traits<char16_t>::to_int_type(u'A') == u'A');
 #endif
-    assert(std::char_traits<char16_t>::to_int_type(0) == 0);
+  assert(std::char_traits<char16_t>::to_int_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign2.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign2.pass.cpp
@@ -19,25 +19,23 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    char32_t c = U'1';
-    std::char_traits<char32_t>::assign(c, U'a');
-    return c == U'a';
+constexpr bool test_constexpr() {
+  char32_t c = U'1';
+  std::char_traits<char32_t>::assign(c, U'a');
+  return c == U'a';
 }
 #endif
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    char32_t c = U'\0';
-    std::char_traits<char32_t>::assign(c, U'a');
-    assert(c == U'a');
+  char32_t c = U'\0';
+  std::char_traits<char32_t>::assign(c, U'a');
+  assert(c == U'a');
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/assign3.pass.cpp
@@ -17,24 +17,22 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char32_t s2[3] = {0};
-    assert(std::char_traits<char32_t>::assign(s2, 3, char32_t(5)) == s2);
-    assert(s2[0] == char32_t(5));
-    assert(s2[1] == char32_t(5));
-    assert(s2[2] == char32_t(5));
-    assert(std::char_traits<char32_t>::assign(NULL, 0, char32_t(5)) == NULL);
-
-    return true;
+TEST_CONSTEXPR_CXX20 bool test() {
+  char32_t s2[3] = {0};
+  assert(std::char_traits<char32_t>::assign(s2, 3, char32_t(5)) == s2);
+  assert(s2[0] == char32_t(5));
+  assert(s2[1] == char32_t(5));
+  assert(s2[2] == char32_t(5));
+  assert(std::char_traits<char32_t>::assign(NULL, 0, char32_t(5)) == NULL);
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/compare.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/compare.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/compare.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/compare.pass.cpp
@@ -19,41 +19,39 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char32_t>::compare(U"123", U"223", 3) < 0
-        && std::char_traits<char32_t>::compare(U"223", U"123", 3) > 0
-        && std::char_traits<char32_t>::compare(U"123", U"123", 3) == 0;
+constexpr bool test_constexpr() {
+  return std::char_traits<char32_t>::compare(U"123", U"223", 3) < 0 &&
+         std::char_traits<char32_t>::compare(U"223", U"123", 3) > 0 &&
+         std::char_traits<char32_t>::compare(U"123", U"123", 3) == 0;
 }
 #endif
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char32_t>::compare(U"", U"", 0) == 0);
-    assert(std::char_traits<char32_t>::compare(NULL, NULL, 0) == 0);
-
-    assert(std::char_traits<char32_t>::compare(U"1", U"1", 1) == 0);
-    assert(std::char_traits<char32_t>::compare(U"1", U"2", 1) < 0);
-    assert(std::char_traits<char32_t>::compare(U"2", U"1", 1) > 0);
-
-    assert(std::char_traits<char32_t>::compare(U"12", U"12", 2) == 0);
-    assert(std::char_traits<char32_t>::compare(U"12", U"13", 2) < 0);
-    assert(std::char_traits<char32_t>::compare(U"12", U"22", 2) < 0);
-    assert(std::char_traits<char32_t>::compare(U"13", U"12", 2) > 0);
-    assert(std::char_traits<char32_t>::compare(U"22", U"12", 2) > 0);
-
-    assert(std::char_traits<char32_t>::compare(U"123", U"123", 3) == 0);
-    assert(std::char_traits<char32_t>::compare(U"123", U"223", 3) < 0);
-    assert(std::char_traits<char32_t>::compare(U"123", U"133", 3) < 0);
-    assert(std::char_traits<char32_t>::compare(U"123", U"124", 3) < 0);
-    assert(std::char_traits<char32_t>::compare(U"223", U"123", 3) > 0);
-    assert(std::char_traits<char32_t>::compare(U"133", U"123", 3) > 0);
-    assert(std::char_traits<char32_t>::compare(U"124", U"123", 3) > 0);
+  assert(std::char_traits<char32_t>::compare(U"", U"", 0) == 0);
+  assert(std::char_traits<char32_t>::compare(NULL, NULL, 0) == 0);
+
+  assert(std::char_traits<char32_t>::compare(U"1", U"1", 1) == 0);
+  assert(std::char_traits<char32_t>::compare(U"1", U"2", 1) < 0);
+  assert(std::char_traits<char32_t>::compare(U"2", U"1", 1) > 0);
+
+  assert(std::char_traits<char32_t>::compare(U"12", U"12", 2) == 0);
+  assert(std::char_traits<char32_t>::compare(U"12", U"13", 2) < 0);
+  assert(std::char_traits<char32_t>::compare(U"12", U"22", 2) < 0);
+  assert(std::char_traits<char32_t>::compare(U"13", U"12", 2) > 0);
+  assert(std::char_traits<char32_t>::compare(U"22", U"12", 2) > 0);
+
+  assert(std::char_traits<char32_t>::compare(U"123", U"123", 3) == 0);
+  assert(std::char_traits<char32_t>::compare(U"123", U"223", 3) < 0);
+  assert(std::char_traits<char32_t>::compare(U"123", U"133", 3) < 0);
+  assert(std::char_traits<char32_t>::compare(U"123", U"124", 3) < 0);
+  assert(std::char_traits<char32_t>::compare(U"223", U"123", 3) > 0);
+  assert(std::char_traits<char32_t>::compare(U"133", U"123", 3) > 0);
+  assert(std::char_traits<char32_t>::compare(U"124", U"123", 3) > 0);
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/copy.pass.cpp
@@ -17,26 +17,24 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char32_t s1[] = {1, 2, 3};
-    char32_t s2[3] = {0};
-    assert(std::char_traits<char32_t>::copy(s2, s1, 3) == s2);
-    assert(s2[0] == char32_t(1));
-    assert(s2[1] == char32_t(2));
-    assert(s2[2] == char32_t(3));
-    assert(std::char_traits<char32_t>::copy(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char32_t>::copy(s1, NULL, 0) == s1);
-
-    return true;
+TEST_CONSTEXPR_CXX20 bool test() {
+  char32_t s1[]  = {1, 2, 3};
+  char32_t s2[3] = {0};
+  assert(std::char_traits<char32_t>::copy(s2, s1, 3) == s2);
+  assert(s2[0] == char32_t(1));
+  assert(s2[1] == char32_t(2));
+  assert(s2[2] == char32_t(3));
+  assert(std::char_traits<char32_t>::copy(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char32_t>::copy(s1, NULL, 0) == s1);
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eof.pass.cpp
@@ -17,10 +17,9 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    std::char_traits<char32_t>::int_type i = std::char_traits<char32_t>::eof();
-    ((void)i); // Prevent unused warning
+int main(int, char**) {
+  std::char_traits<char32_t>::int_type i = std::char_traits<char32_t>::eof();
+  ((void)i); // Prevent unused warning
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq.pass.cpp
@@ -17,9 +17,8 @@
 #include <string>
 #include <cassert>
 
-int main(int, char**)
-{
-    assert(std::char_traits<char32_t>::eq(U'a', U'a'));
-    assert(!std::char_traits<char32_t>::eq(U'a', U'A'));
-    return 0;
+int main(int, char**) {
+  assert(std::char_traits<char32_t>::eq(U'a', U'a'));
+  assert(!std::char_traits<char32_t>::eq(U'a', U'A'));
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/eq_int_type.pass.cpp
@@ -17,15 +17,13 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert( std::char_traits<char32_t>::eq_int_type(U'a', U'a'));
-    assert(!std::char_traits<char32_t>::eq_int_type(U'a', U'A'));
-    assert(!std::char_traits<char32_t>::eq_int_type(std::char_traits<char32_t>::eof(), U'A'));
+  assert(std::char_traits<char32_t>::eq_int_type(U'a', U'a'));
+  assert(!std::char_traits<char32_t>::eq_int_type(U'a', U'A'));
+  assert(!std::char_traits<char32_t>::eq_int_type(std::char_traits<char32_t>::eof(), U'A'));
 #endif
-    assert( std::char_traits<char32_t>::eq_int_type(std::char_traits<char32_t>::eof(),
-                                                    std::char_traits<char32_t>::eof()));
+  assert(std::char_traits<char32_t>::eq_int_type(std::char_traits<char32_t>::eof(), std::char_traits<char32_t>::eof()));
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/find.pass.cpp
@@ -19,29 +19,26 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    constexpr const char32_t *p = U"123";
-    return std::char_traits<char32_t>::find(p, 3, U'1') == p
-        && std::char_traits<char32_t>::find(p, 3, U'2') == p + 1
-        && std::char_traits<char32_t>::find(p, 3, U'3') == p + 2
-        && std::char_traits<char32_t>::find(p, 3, U'4') == nullptr;
+constexpr bool test_constexpr() {
+  constexpr const char32_t* p = U"123";
+  return std::char_traits<char32_t>::find(p, 3, U'1') == p && std::char_traits<char32_t>::find(p, 3, U'2') == p + 1 &&
+         std::char_traits<char32_t>::find(p, 3, U'3') == p + 2 &&
+         std::char_traits<char32_t>::find(p, 3, U'4') == nullptr;
 }
 #endif
 
-int main(int, char**)
-{
-    char32_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char32_t>::find(s1, 3, char32_t(1)) == s1);
-    assert(std::char_traits<char32_t>::find(s1, 3, char32_t(2)) == s1+1);
-    assert(std::char_traits<char32_t>::find(s1, 3, char32_t(3)) == s1+2);
-    assert(std::char_traits<char32_t>::find(s1, 3, char32_t(4)) == 0);
-    assert(std::char_traits<char32_t>::find(s1, 3, char32_t(0)) == 0);
-    assert(std::char_traits<char32_t>::find(NULL, 0, char32_t(0)) == 0);
+int main(int, char**) {
+  char32_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char32_t>::find(s1, 3, char32_t(1)) == s1);
+  assert(std::char_traits<char32_t>::find(s1, 3, char32_t(2)) == s1 + 1);
+  assert(std::char_traits<char32_t>::find(s1, 3, char32_t(3)) == s1 + 2);
+  assert(std::char_traits<char32_t>::find(s1, 3, char32_t(4)) == 0);
+  assert(std::char_traits<char32_t>::find(s1, 3, char32_t(0)) == 0);
+  assert(std::char_traits<char32_t>::find(NULL, 0, char32_t(0)) == 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/length.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/length.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/length.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/length.pass.cpp
@@ -19,26 +19,23 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char32_t>::length(U"") == 0
-        && std::char_traits<char32_t>::length(U"abcd") == 4;
+constexpr bool test_constexpr() {
+  return std::char_traits<char32_t>::length(U"") == 0 && std::char_traits<char32_t>::length(U"abcd") == 4;
 }
 #endif
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char32_t>::length(U"") == 0);
-    assert(std::char_traits<char32_t>::length(U"a") == 1);
-    assert(std::char_traits<char32_t>::length(U"aa") == 2);
-    assert(std::char_traits<char32_t>::length(U"aaa") == 3);
-    assert(std::char_traits<char32_t>::length(U"aaaa") == 4);
+  assert(std::char_traits<char32_t>::length(U"") == 0);
+  assert(std::char_traits<char32_t>::length(U"a") == 1);
+  assert(std::char_traits<char32_t>::length(U"aa") == 2);
+  assert(std::char_traits<char32_t>::length(U"aaa") == 3);
+  assert(std::char_traits<char32_t>::length(U"aaaa") == 4);
 #endif
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/lt.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/lt.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/lt.pass.cpp
@@ -17,9 +17,8 @@
 #include <string>
 #include <cassert>
 
-int main(int, char**)
-{
-    assert(!std::char_traits<char32_t>::lt(U'a', U'a'));
-    assert( std::char_traits<char32_t>::lt(U'A', U'a'));
-    return 0;
+int main(int, char**) {
+  assert(!std::char_traits<char32_t>::lt(U'a', U'a'));
+  assert(std::char_traits<char32_t>::lt(U'A', U'a'));
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/move.pass.cpp
@@ -17,30 +17,28 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    char32_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char32_t>::move(s1, s1+1, 2) == s1);
-    assert(s1[0] == char32_t(2));
-    assert(s1[1] == char32_t(3));
-    assert(s1[2] == char32_t(3));
-    s1[2] = char32_t(0);
-    assert(std::char_traits<char32_t>::move(s1+1, s1, 2) == s1+1);
-    assert(s1[0] == char32_t(2));
-    assert(s1[1] == char32_t(2));
-    assert(s1[2] == char32_t(3));
-    assert(std::char_traits<char32_t>::move(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char32_t>::move(s1, NULL, 0) == s1);
-
-    return true;
+TEST_CONSTEXPR_CXX20 bool test() {
+  char32_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char32_t>::move(s1, s1 + 1, 2) == s1);
+  assert(s1[0] == char32_t(2));
+  assert(s1[1] == char32_t(3));
+  assert(s1[2] == char32_t(3));
+  s1[2] = char32_t(0);
+  assert(std::char_traits<char32_t>::move(s1 + 1, s1, 2) == s1 + 1);
+  assert(s1[0] == char32_t(2));
+  assert(s1[1] == char32_t(2));
+  assert(s1[2] == char32_t(3));
+  assert(std::char_traits<char32_t>::move(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char32_t>::move(s1, NULL, 0) == s1);
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/not_eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/not_eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/not_eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/not_eof.pass.cpp
@@ -17,15 +17,13 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char32_t>::not_eof(U'a') == U'a');
-    assert(std::char_traits<char32_t>::not_eof(U'A') == U'A');
+  assert(std::char_traits<char32_t>::not_eof(U'a') == U'a');
+  assert(std::char_traits<char32_t>::not_eof(U'A') == U'A');
 #endif
-    assert(std::char_traits<char32_t>::not_eof(0) == 0);
-    assert(std::char_traits<char32_t>::not_eof(std::char_traits<char32_t>::eof()) !=
-           std::char_traits<char32_t>::eof());
+  assert(std::char_traits<char32_t>::not_eof(0) == 0);
+  assert(std::char_traits<char32_t>::not_eof(std::char_traits<char32_t>::eof()) != std::char_traits<char32_t>::eof());
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_char_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_char_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_char_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_char_type.pass.cpp
@@ -17,13 +17,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char32_t>::to_char_type(U'a') == U'a');
-    assert(std::char_traits<char32_t>::to_char_type(U'A') == U'A');
+  assert(std::char_traits<char32_t>::to_char_type(U'a') == U'a');
+  assert(std::char_traits<char32_t>::to_char_type(U'A') == U'A');
 #endif
-    assert(std::char_traits<char32_t>::to_char_type(0) == 0);
+  assert(std::char_traits<char32_t>::to_char_type(0) == 0);
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char32_t/to_int_type.pass.cpp
@@ -17,13 +17,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #if TEST_STD_VER >= 11
-    assert(std::char_traits<char32_t>::to_int_type(U'a') == U'a');
-    assert(std::char_traits<char32_t>::to_int_type(U'A') == U'A');
+  assert(std::char_traits<char32_t>::to_int_type(U'a') == U'a');
+  assert(std::char_traits<char32_t>::to_int_type(U'A') == U'A');
 #endif
-    assert(std::char_traits<char32_t>::to_int_type(0) == 0);
+  assert(std::char_traits<char32_t>::to_int_type(0) == 0);
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign2.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign2.pass.cpp
@@ -18,24 +18,20 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-constexpr bool test_constexpr()
-{
-    char8_t c = u'1';
-    std::char_traits<char8_t>::assign(c, u'a');
-    return c == u'a';
+constexpr bool test_constexpr() {
+  char8_t c = u'1';
+  std::char_traits<char8_t>::assign(c, u'a');
+  return c == u'a';
 }
 
-int main(int, char**)
-{
-    char8_t c = u8'\0';
-    std::char_traits<char8_t>::assign(c, u8'a');
-    assert(c == u8'a');
-
-    static_assert(test_constexpr(), "");
-    return 0;
-}
-#else
 int main(int, char**) {
+  char8_t c = u8'\0';
+  std::char_traits<char8_t>::assign(c, u8'a');
+  assert(c == u8'a');
+
+  static_assert(test_constexpr(), "");
   return 0;
 }
+#else
+int main(int, char**) { return 0; }
 #endif
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign3.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign3.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign3.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/assign3.pass.cpp
@@ -19,26 +19,24 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
+TEST_CONSTEXPR_CXX20 bool test() {
 #ifndef TEST_HAS_NO_CHAR8_T
-    char8_t s2[3] = {0};
-    assert(std::char_traits<char8_t>::assign(s2, 3, char8_t(5)) == s2);
-    assert(s2[0] == char8_t(5));
-    assert(s2[1] == char8_t(5));
-    assert(s2[2] == char8_t(5));
-    assert(std::char_traits<char8_t>::assign(NULL, 0, char8_t(5)) == NULL);
+  char8_t s2[3] = {0};
+  assert(std::char_traits<char8_t>::assign(s2, 3, char8_t(5)) == s2);
+  assert(s2[0] == char8_t(5));
+  assert(s2[1] == char8_t(5));
+  assert(s2[2] == char8_t(5));
+  assert(std::char_traits<char8_t>::assign(NULL, 0, char8_t(5)) == NULL);
 #endif
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/compare.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/compare.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/compare.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/compare.pass.cpp
@@ -19,42 +19,37 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char8_t>::compare(u8"123", u8"223", 3) < 0
-        && std::char_traits<char8_t>::compare(u8"223", u8"123", 3) > 0
-        && std::char_traits<char8_t>::compare(u8"123", u8"123", 3) == 0;
+constexpr bool test_constexpr() {
+  return std::char_traits<char8_t>::compare(u8"123", u8"223", 3) < 0 &&
+         std::char_traits<char8_t>::compare(u8"223", u8"123", 3) > 0 &&
+         std::char_traits<char8_t>::compare(u8"123", u8"123", 3) == 0;
 }
 
-
-int main(int, char**)
-{
-    assert(std::char_traits<char8_t>::compare(u8"", u8"", 0) == 0);
-    assert(std::char_traits<char8_t>::compare(NULL, NULL, 0) == 0);
-
-    assert(std::char_traits<char8_t>::compare(u8"1", u8"1", 1) == 0);
-    assert(std::char_traits<char8_t>::compare(u8"1", u8"2", 1) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"2", u8"1", 1) > 0);
-
-    assert(std::char_traits<char8_t>::compare(u8"12", u8"12", 2) == 0);
-    assert(std::char_traits<char8_t>::compare(u8"12", u8"13", 2) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"12", u8"22", 2) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"13", u8"12", 2) > 0);
-    assert(std::char_traits<char8_t>::compare(u8"22", u8"12", 2) > 0);
-
-    assert(std::char_traits<char8_t>::compare(u8"123", u8"123", 3) == 0);
-    assert(std::char_traits<char8_t>::compare(u8"123", u8"223", 3) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"123", u8"133", 3) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"123", u8"124", 3) < 0);
-    assert(std::char_traits<char8_t>::compare(u8"223", u8"123", 3) > 0);
-    assert(std::char_traits<char8_t>::compare(u8"133", u8"123", 3) > 0);
-    assert(std::char_traits<char8_t>::compare(u8"124", u8"123", 3) > 0);
-
-    static_assert(test_constexpr(), "" );
-    return 0;
-}
-#else
 int main(int, char**) {
+  assert(std::char_traits<char8_t>::compare(u8"", u8"", 0) == 0);
+  assert(std::char_traits<char8_t>::compare(NULL, NULL, 0) == 0);
+
+  assert(std::char_traits<char8_t>::compare(u8"1", u8"1", 1) == 0);
+  assert(std::char_traits<char8_t>::compare(u8"1", u8"2", 1) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"2", u8"1", 1) > 0);
+
+  assert(std::char_traits<char8_t>::compare(u8"12", u8"12", 2) == 0);
+  assert(std::char_traits<char8_t>::compare(u8"12", u8"13", 2) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"12", u8"22", 2) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"13", u8"12", 2) > 0);
+  assert(std::char_traits<char8_t>::compare(u8"22", u8"12", 2) > 0);
+
+  assert(std::char_traits<char8_t>::compare(u8"123", u8"123", 3) == 0);
+  assert(std::char_traits<char8_t>::compare(u8"123", u8"223", 3) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"123", u8"133", 3) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"123", u8"124", 3) < 0);
+  assert(std::char_traits<char8_t>::compare(u8"223", u8"123", 3) > 0);
+  assert(std::char_traits<char8_t>::compare(u8"133", u8"123", 3) > 0);
+  assert(std::char_traits<char8_t>::compare(u8"124", u8"123", 3) > 0);
+
+  static_assert(test_constexpr(), "");
   return 0;
 }
+#else
+int main(int, char**) { return 0; }
 #endif
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/copy.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/copy.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/copy.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/copy.pass.cpp
@@ -19,28 +19,26 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
+TEST_CONSTEXPR_CXX20 bool test() {
 #ifndef TEST_HAS_NO_CHAR8_T
-    char8_t s1[] = {1, 2, 3};
-    char8_t s2[3] = {0};
-    assert(std::char_traits<char8_t>::copy(s2, s1, 3) == s2);
-    assert(s2[0] == char8_t(1));
-    assert(s2[1] == char8_t(2));
-    assert(s2[2] == char8_t(3));
-    assert(std::char_traits<char8_t>::copy(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char8_t>::copy(s1, NULL, 0) == s1);
+  char8_t s1[]  = {1, 2, 3};
+  char8_t s2[3] = {0};
+  assert(std::char_traits<char8_t>::copy(s2, s1, 3) == s2);
+  assert(s2[0] == char8_t(1));
+  assert(s2[1] == char8_t(2));
+  assert(s2[2] == char8_t(3));
+  assert(std::char_traits<char8_t>::copy(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char8_t>::copy(s1, NULL, 0) == s1);
 #endif
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eof.pass.cpp
@@ -18,11 +18,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    std::char_traits<char8_t>::int_type i = std::char_traits<char8_t>::eof();
-    ((void)i); // Prevent unused warning
+  std::char_traits<char8_t>::int_type i = std::char_traits<char8_t>::eof();
+  ((void)i); // Prevent unused warning
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq.pass.cpp
@@ -18,11 +18,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert( std::char_traits<char8_t>::eq(u8'a', u8'a'));
-    assert(!std::char_traits<char8_t>::eq(u8'a', u8'A'));
+  assert(std::char_traits<char8_t>::eq(u8'a', u8'a'));
+  assert(!std::char_traits<char8_t>::eq(u8'a', u8'A'));
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/eq_int_type.pass.cpp
@@ -18,14 +18,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert( std::char_traits<char8_t>::eq_int_type(u8'a', u8'a'));
-    assert(!std::char_traits<char8_t>::eq_int_type(u8'a', u8'A'));
-    assert(!std::char_traits<char8_t>::eq_int_type(std::char_traits<char8_t>::eof(), u8'A'));
-    assert( std::char_traits<char8_t>::eq_int_type(std::char_traits<char8_t>::eof(),
-                                                    std::char_traits<char8_t>::eof()));
+  assert(std::char_traits<char8_t>::eq_int_type(u8'a', u8'a'));
+  assert(!std::char_traits<char8_t>::eq_int_type(u8'a', u8'A'));
+  assert(!std::char_traits<char8_t>::eq_int_type(std::char_traits<char8_t>::eof(), u8'A'));
+  assert(std::char_traits<char8_t>::eq_int_type(std::char_traits<char8_t>::eof(), std::char_traits<char8_t>::eof()));
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/find.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/find.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/find.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/find.pass.cpp
@@ -19,30 +19,25 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-constexpr bool test_constexpr()
-{
-    constexpr const char8_t *p = u8"123";
-    return std::char_traits<char8_t>::find(p, 3, u8'1') == p
-        && std::char_traits<char8_t>::find(p, 3, u8'2') == p + 1
-        && std::char_traits<char8_t>::find(p, 3, u8'3') == p + 2
-        && std::char_traits<char8_t>::find(p, 3, u8'4') == nullptr;
+constexpr bool test_constexpr() {
+  constexpr const char8_t* p = u8"123";
+  return std::char_traits<char8_t>::find(p, 3, u8'1') == p && std::char_traits<char8_t>::find(p, 3, u8'2') == p + 1 &&
+         std::char_traits<char8_t>::find(p, 3, u8'3') == p + 2 &&
+         std::char_traits<char8_t>::find(p, 3, u8'4') == nullptr;
 }
 
-int main(int, char**)
-{
-    char8_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char8_t>::find(s1, 3, char8_t(1)) == s1);
-    assert(std::char_traits<char8_t>::find(s1, 3, char8_t(2)) == s1+1);
-    assert(std::char_traits<char8_t>::find(s1, 3, char8_t(3)) == s1+2);
-    assert(std::char_traits<char8_t>::find(s1, 3, char8_t(4)) == 0);
-    assert(std::char_traits<char8_t>::find(s1, 3, char8_t(0)) == 0);
-    assert(std::char_traits<char8_t>::find(NULL, 0, char8_t(0)) == 0);
-
-    static_assert(test_constexpr(), "" );
-    return 0;
-}
-#else
 int main(int, char**) {
+  char8_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char8_t>::find(s1, 3, char8_t(1)) == s1);
+  assert(std::char_traits<char8_t>::find(s1, 3, char8_t(2)) == s1 + 1);
+  assert(std::char_traits<char8_t>::find(s1, 3, char8_t(3)) == s1 + 2);
+  assert(std::char_traits<char8_t>::find(s1, 3, char8_t(4)) == 0);
+  assert(std::char_traits<char8_t>::find(s1, 3, char8_t(0)) == 0);
+  assert(std::char_traits<char8_t>::find(NULL, 0, char8_t(0)) == 0);
+
+  static_assert(test_constexpr(), "");
   return 0;
 }
+#else
+int main(int, char**) { return 0; }
 #endif
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/length.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/length.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/length.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/length.pass.cpp
@@ -19,25 +19,20 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-constexpr bool test_constexpr()
-{
-    return std::char_traits<char8_t>::length(u8"") == 0
-        && std::char_traits<char8_t>::length(u8"abcd") == 4;
+constexpr bool test_constexpr() {
+  return std::char_traits<char8_t>::length(u8"") == 0 && std::char_traits<char8_t>::length(u8"abcd") == 4;
 }
 
-int main(int, char**)
-{
-    assert(std::char_traits<char8_t>::length(u8"") == 0);
-    assert(std::char_traits<char8_t>::length(u8"a") == 1);
-    assert(std::char_traits<char8_t>::length(u8"aa") == 2);
-    assert(std::char_traits<char8_t>::length(u8"aaa") == 3);
-    assert(std::char_traits<char8_t>::length(u8"aaaa") == 4);
-
-    static_assert(test_constexpr(), "");
-    return 0;
-}
-#else
 int main(int, char**) {
+  assert(std::char_traits<char8_t>::length(u8"") == 0);
+  assert(std::char_traits<char8_t>::length(u8"a") == 1);
+  assert(std::char_traits<char8_t>::length(u8"aa") == 2);
+  assert(std::char_traits<char8_t>::length(u8"aaa") == 3);
+  assert(std::char_traits<char8_t>::length(u8"aaaa") == 4);
+
+  static_assert(test_constexpr(), "");
   return 0;
 }
+#else
+int main(int, char**) { return 0; }
 #endif
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/lt.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/lt.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/lt.pass.cpp
@@ -18,11 +18,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert(!std::char_traits<char8_t>::lt(u8'a', u8'a'));
-    assert( std::char_traits<char8_t>::lt(u8'A', u8'a'));
+  assert(!std::char_traits<char8_t>::lt(u8'a', u8'a'));
+  assert(std::char_traits<char8_t>::lt(u8'A', u8'a'));
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/move.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/move.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/move.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/move.pass.cpp
@@ -19,32 +19,30 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
+TEST_CONSTEXPR_CXX20 bool test() {
 #ifndef TEST_HAS_NO_CHAR8_T
-    char8_t s1[] = {1, 2, 3};
-    assert(std::char_traits<char8_t>::move(s1, s1+1, 2) == s1);
-    assert(s1[0] == char8_t(2));
-    assert(s1[1] == char8_t(3));
-    assert(s1[2] == char8_t(3));
-    s1[2] = char8_t(0);
-    assert(std::char_traits<char8_t>::move(s1+1, s1, 2) == s1+1);
-    assert(s1[0] == char8_t(2));
-    assert(s1[1] == char8_t(2));
-    assert(s1[2] == char8_t(3));
-    assert(std::char_traits<char8_t>::move(NULL, s1, 0) == NULL);
-    assert(std::char_traits<char8_t>::move(s1, NULL, 0) == s1);
+  char8_t s1[] = {1, 2, 3};
+  assert(std::char_traits<char8_t>::move(s1, s1 + 1, 2) == s1);
+  assert(s1[0] == char8_t(2));
+  assert(s1[1] == char8_t(3));
+  assert(s1[2] == char8_t(3));
+  s1[2] = char8_t(0);
+  assert(std::char_traits<char8_t>::move(s1 + 1, s1, 2) == s1 + 1);
+  assert(s1[0] == char8_t(2));
+  assert(s1[1] == char8_t(2));
+  assert(s1[2] == char8_t(3));
+  assert(std::char_traits<char8_t>::move(NULL, s1, 0) == NULL);
+  assert(std::char_traits<char8_t>::move(s1, NULL, 0) == s1);
 #endif
 
   return true;
 }
 
-int main(int, char**)
-{
-    test();
+int main(int, char**) {
+  test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/not_eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/not_eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/not_eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/not_eof.pass.cpp
@@ -18,14 +18,12 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert(std::char_traits<char8_t>::not_eof(u8'a') == u8'a');
-    assert(std::char_traits<char8_t>::not_eof(u8'A') == u8'A');
-    assert(std::char_traits<char8_t>::not_eof(0) == 0);
-    assert(std::char_traits<char8_t>::not_eof(std::char_traits<char8_t>::eof()) !=
-           std::char_traits<char8_t>::eof());
+  assert(std::char_traits<char8_t>::not_eof(u8'a') == u8'a');
+  assert(std::char_traits<char8_t>::not_eof(u8'A') == u8'A');
+  assert(std::char_traits<char8_t>::not_eof(0) == 0);
+  assert(std::char_traits<char8_t>::not_eof(std::char_traits<char8_t>::eof()) != std::char_traits<char8_t>::eof());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_char_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_char_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_char_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_char_type.pass.cpp
@@ -18,12 +18,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert(std::char_traits<char8_t>::to_char_type(u8'a') == u8'a');
-    assert(std::char_traits<char8_t>::to_char_type(u8'A') == u8'A');
-    assert(std::char_traits<char8_t>::to_char_type(0) == 0);
+  assert(std::char_traits<char8_t>::to_char_type(u8'a') == u8'a');
+  assert(std::char_traits<char8_t>::to_char_type(u8'A') == u8'A');
+  assert(std::char_traits<char8_t>::to_char_type(0) == 0);
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/to_int_type.pass.cpp
@@ -18,12 +18,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert(std::char_traits<char8_t>::to_int_type(u8'a') == u8'a');
-    assert(std::char_traits<char8_t>::to_int_type(u8'A') == u8'A');
-    assert(std::char_traits<char8_t>::to_int_type(0) == 0);
+  assert(std::char_traits<char8_t>::to_int_type(u8'a') == u8'a');
+  assert(std::char_traits<char8_t>::to_int_type(u8'A') == u8'A');
+  assert(std::char_traits<char8_t>::to_int_type(0) == 0);
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign2.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign2.pass.cpp
@@ -21,22 +21,20 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    wchar_t c = L'1';
-    std::char_traits<wchar_t>::assign(c, L'a');
-    return c == L'a';
+constexpr bool test_constexpr() {
+  wchar_t c = L'1';
+  std::char_traits<wchar_t>::assign(c, L'a');
+  return c == L'a';
 }
 #endif
 
-int main(int, char**)
-{
-    wchar_t c = L'\0';
-    std::char_traits<wchar_t>::assign(c, L'a');
-    assert(c == L'a');
+int main(int, char**) {
+  wchar_t c = L'\0';
+  std::char_traits<wchar_t>::assign(c, L'a');
+  assert(c == L'a');
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign3.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign3.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign3.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/assign3.pass.cpp
@@ -19,24 +19,22 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    wchar_t s2[3] = {0};
-    assert(std::char_traits<wchar_t>::assign(s2, 3, wchar_t(5)) == s2);
-    assert(s2[0] == wchar_t(5));
-    assert(s2[1] == wchar_t(5));
-    assert(s2[2] == wchar_t(5));
-    assert(std::char_traits<wchar_t>::assign(NULL, 0, wchar_t(5)) == NULL);
+TEST_CONSTEXPR_CXX20 bool test() {
+  wchar_t s2[3] = {0};
+  assert(std::char_traits<wchar_t>::assign(s2, 3, wchar_t(5)) == s2);
+  assert(s2[0] == wchar_t(5));
+  assert(s2[1] == wchar_t(5));
+  assert(s2[2] == wchar_t(5));
+  assert(std::char_traits<wchar_t>::assign(NULL, 0, wchar_t(5)) == NULL);
 
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 
 #if TEST_STD_VER > 17
-    static_assert(test());
+  static_assert(test());
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/compare.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/compare.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/compare.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/compare.pass.cpp
@@ -21,39 +21,37 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0
-        && std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0
-        && std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0;
+constexpr bool test_constexpr() {
+  return std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0 &&
+         std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0 &&
+         std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0;
 }
 #endif
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::compare(L"", L"", 0) == 0);
-    assert(std::char_traits<wchar_t>::compare(NULL, NULL, 0) == 0);
-
-    assert(std::char_traits<wchar_t>::compare(L"1", L"1", 1) == 0);
-    assert(std::char_traits<wchar_t>::compare(L"1", L"2", 1) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"2", L"1", 1) > 0);
-
-    assert(std::char_traits<wchar_t>::compare(L"12", L"12", 2) == 0);
-    assert(std::char_traits<wchar_t>::compare(L"12", L"13", 2) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"12", L"22", 2) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"13", L"12", 2) > 0);
-    assert(std::char_traits<wchar_t>::compare(L"22", L"12", 2) > 0);
-
-    assert(std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0);
-    assert(std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"123", L"133", 3) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"123", L"124", 3) < 0);
-    assert(std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0);
-    assert(std::char_traits<wchar_t>::compare(L"133", L"123", 3) > 0);
-    assert(std::char_traits<wchar_t>::compare(L"124", L"123", 3) > 0);
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::compare(L"", L"", 0) == 0);
+  assert(std::char_traits<wchar_t>::compare(NULL, NULL, 0) == 0);
+
+  assert(std::char_traits<wchar_t>::compare(L"1", L"1", 1) == 0);
+  assert(std::char_traits<wchar_t>::compare(L"1", L"2", 1) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"2", L"1", 1) > 0);
+
+  assert(std::char_traits<wchar_t>::compare(L"12", L"12", 2) == 0);
+  assert(std::char_traits<wchar_t>::compare(L"12", L"13", 2) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"12", L"22", 2) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"13", L"12", 2) > 0);
+  assert(std::char_traits<wchar_t>::compare(L"22", L"12", 2) > 0);
+
+  assert(std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0);
+  assert(std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"123", L"133", 3) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"123", L"124", 3) < 0);
+  assert(std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0);
+  assert(std::char_traits<wchar_t>::compare(L"133", L"123", 3) > 0);
+  assert(std::char_traits<wchar_t>::compare(L"124", L"123", 3) > 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/copy.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/copy.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/copy.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/copy.pass.cpp
@@ -19,22 +19,20 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    wchar_t s1[] = {1, 2, 3};
-    wchar_t s2[3] = {0};
-    assert(std::char_traits<wchar_t>::copy(s2, s1, 3) == s2);
-    assert(s2[0] == wchar_t(1));
-    assert(s2[1] == wchar_t(2));
-    assert(s2[2] == wchar_t(3));
-    assert(std::char_traits<wchar_t>::copy(NULL, s1, 0) == NULL);
-    assert(std::char_traits<wchar_t>::copy(s1, NULL, 0) == s1);
+TEST_CONSTEXPR_CXX20 bool test() {
+  wchar_t s1[]  = {1, 2, 3};
+  wchar_t s2[3] = {0};
+  assert(std::char_traits<wchar_t>::copy(s2, s1, 3) == s2);
+  assert(s2[0] == wchar_t(1));
+  assert(s2[1] == wchar_t(2));
+  assert(s2[2] == wchar_t(3));
+  assert(std::char_traits<wchar_t>::copy(NULL, s1, 0) == NULL);
+  assert(std::char_traits<wchar_t>::copy(s1, NULL, 0) == s1);
 
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 
 #if TEST_STD_VER > 17
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eof.pass.cpp
@@ -19,9 +19,8 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::eof() == WEOF);
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::eof() == WEOF);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq.pass.cpp
@@ -19,10 +19,9 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::eq(L'a', L'a'));
-    assert(!std::char_traits<wchar_t>::eq(L'a', L'A'));
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::eq(L'a', L'a'));
+  assert(!std::char_traits<wchar_t>::eq(L'a', L'A'));
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/eq_int_type.pass.cpp
@@ -19,13 +19,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert( std::char_traits<wchar_t>::eq_int_type(L'a', L'a'));
-    assert(!std::char_traits<wchar_t>::eq_int_type(L'a', L'A'));
-    assert(!std::char_traits<wchar_t>::eq_int_type(std::char_traits<wchar_t>::eof(), L'A'));
-    assert( std::char_traits<wchar_t>::eq_int_type(std::char_traits<wchar_t>::eof(),
-                                                   std::char_traits<wchar_t>::eof()));
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::eq_int_type(L'a', L'a'));
+  assert(!std::char_traits<wchar_t>::eq_int_type(L'a', L'A'));
+  assert(!std::char_traits<wchar_t>::eq_int_type(std::char_traits<wchar_t>::eof(), L'A'));
+  assert(std::char_traits<wchar_t>::eq_int_type(std::char_traits<wchar_t>::eof(), std::char_traits<wchar_t>::eof()));
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/find.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/find.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/find.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/find.pass.cpp
@@ -21,28 +21,24 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    constexpr const wchar_t *p = L"123";
-    return std::char_traits<wchar_t>::find(p, 3, L'1') == p
-        && std::char_traits<wchar_t>::find(p, 3, L'2') == p + 1
-        && std::char_traits<wchar_t>::find(p, 3, L'3') == p + 2
-        && std::char_traits<wchar_t>::find(p, 3, L'4') == nullptr;
+constexpr bool test_constexpr() {
+  constexpr const wchar_t* p = L"123";
+  return std::char_traits<wchar_t>::find(p, 3, L'1') == p && std::char_traits<wchar_t>::find(p, 3, L'2') == p + 1 &&
+         std::char_traits<wchar_t>::find(p, 3, L'3') == p + 2 && std::char_traits<wchar_t>::find(p, 3, L'4') == nullptr;
 }
 #endif
 
-int main(int, char**)
-{
-    wchar_t s1[] = {1, 2, 3};
-    assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(1)) == s1);
-    assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(2)) == s1+1);
-    assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(3)) == s1+2);
-    assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(4)) == 0);
-    assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(0)) == 0);
-    assert(std::char_traits<wchar_t>::find(NULL, 0, wchar_t(0)) == 0);
+int main(int, char**) {
+  wchar_t s1[] = {1, 2, 3};
+  assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(1)) == s1);
+  assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(2)) == s1 + 1);
+  assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(3)) == s1 + 2);
+  assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(4)) == 0);
+  assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(0)) == 0);
+  assert(std::char_traits<wchar_t>::find(NULL, 0, wchar_t(0)) == 0);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/length.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/length.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/length.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/length.pass.cpp
@@ -21,23 +21,20 @@
 #include "test_macros.h"
 
 #if TEST_STD_VER > 14
-constexpr bool test_constexpr()
-{
-    return std::char_traits<wchar_t>::length(L"") == 0
-        && std::char_traits<wchar_t>::length(L"abcd") == 4;
+constexpr bool test_constexpr() {
+  return std::char_traits<wchar_t>::length(L"") == 0 && std::char_traits<wchar_t>::length(L"abcd") == 4;
 }
 #endif
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::length(L"") == 0);
-    assert(std::char_traits<wchar_t>::length(L"a") == 1);
-    assert(std::char_traits<wchar_t>::length(L"aa") == 2);
-    assert(std::char_traits<wchar_t>::length(L"aaa") == 3);
-    assert(std::char_traits<wchar_t>::length(L"aaaa") == 4);
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::length(L"") == 0);
+  assert(std::char_traits<wchar_t>::length(L"a") == 1);
+  assert(std::char_traits<wchar_t>::length(L"aa") == 2);
+  assert(std::char_traits<wchar_t>::length(L"aaa") == 3);
+  assert(std::char_traits<wchar_t>::length(L"aaaa") == 4);
 
 #if TEST_STD_VER > 14
-    static_assert(test_constexpr(), "" );
+  static_assert(test_constexpr(), "");
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/lt.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/lt.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/lt.pass.cpp
@@ -19,8 +19,7 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
+int main(int, char**) {
   assert(std::char_traits<wchar_t>::lt(L'\0', L'A') == (L'\0' < L'A'));
   assert(std::char_traits<wchar_t>::lt(L'A', L'\0') == (L'A' < L'\0'));
 
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/move.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/move.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/move.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/move.pass.cpp
@@ -19,26 +19,24 @@
 
 #include "test_macros.h"
 
-TEST_CONSTEXPR_CXX20 bool test()
-{
-    wchar_t s1[] = {1, 2, 3};
-    assert(std::char_traits<wchar_t>::move(s1, s1+1, 2) == s1);
-    assert(s1[0] == wchar_t(2));
-    assert(s1[1] == wchar_t(3));
-    assert(s1[2] == wchar_t(3));
-    s1[2] = wchar_t(0);
-    assert(std::char_traits<wchar_t>::move(s1+1, s1, 2) == s1+1);
-    assert(s1[0] == wchar_t(2));
-    assert(s1[1] == wchar_t(2));
-    assert(s1[2] == wchar_t(3));
-    assert(std::char_traits<wchar_t>::move(NULL, s1, 0) == NULL);
-    assert(std::char_traits<wchar_t>::move(s1, NULL, 0) == s1);
+TEST_CONSTEXPR_CXX20 bool test() {
+  wchar_t s1[] = {1, 2, 3};
+  assert(std::char_traits<wchar_t>::move(s1, s1 + 1, 2) == s1);
+  assert(s1[0] == wchar_t(2));
+  assert(s1[1] == wchar_t(3));
+  assert(s1[2] == wchar_t(3));
+  s1[2] = wchar_t(0);
+  assert(std::char_traits<wchar_t>::move(s1 + 1, s1, 2) == s1 + 1);
+  assert(s1[0] == wchar_t(2));
+  assert(s1[1] == wchar_t(2));
+  assert(s1[2] == wchar_t(3));
+  assert(std::char_traits<wchar_t>::move(NULL, s1, 0) == NULL);
+  assert(std::char_traits<wchar_t>::move(s1, NULL, 0) == s1);
 
   return true;
 }
 
-int main(int, char**)
-{
+int main(int, char**) {
   test();
 
 #if TEST_STD_VER > 17
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/not_eof.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/not_eof.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/not_eof.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/not_eof.pass.cpp
@@ -19,13 +19,11 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::not_eof(L'a') == L'a');
-    assert(std::char_traits<wchar_t>::not_eof(L'A') == L'A');
-    assert(std::char_traits<wchar_t>::not_eof(0) == 0);
-    assert(std::char_traits<wchar_t>::not_eof(std::char_traits<wchar_t>::eof()) !=
-           std::char_traits<wchar_t>::eof());
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::not_eof(L'a') == L'a');
+  assert(std::char_traits<wchar_t>::not_eof(L'A') == L'A');
+  assert(std::char_traits<wchar_t>::not_eof(0) == 0);
+  assert(std::char_traits<wchar_t>::not_eof(std::char_traits<wchar_t>::eof()) != std::char_traits<wchar_t>::eof());
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_char_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_char_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_char_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_char_type.pass.cpp
@@ -19,11 +19,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::to_char_type(L'a') == L'a');
-    assert(std::char_traits<wchar_t>::to_char_type(L'A') == L'A');
-    assert(std::char_traits<wchar_t>::to_char_type(0) == 0);
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::to_char_type(L'a') == L'a');
+  assert(std::char_traits<wchar_t>::to_char_type(L'A') == L'A');
+  assert(std::char_traits<wchar_t>::to_char_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_int_type.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_int_type.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_int_type.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar_t/to_int_type.pass.cpp
@@ -19,11 +19,10 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::char_traits<wchar_t>::to_int_type(L'a') == L'a');
-    assert(std::char_traits<wchar_t>::to_int_type(L'A') == L'A');
-    assert(std::char_traits<wchar_t>::to_int_type(0) == 0);
+int main(int, char**) {
+  assert(std::char_traits<wchar_t>::to_int_type(L'a') == L'a');
+  assert(std::char_traits<wchar_t>::to_int_type(L'A') == L'A');
+  assert(std::char_traits<wchar_t>::to_int_type(0) == 0);
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/char.traits/char.traits.typedefs/nothing_to_do.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.typedefs/nothing_to_do.pass.cpp
--- a/libcxx/test/std/strings/char.traits/char.traits.typedefs/nothing_to_do.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.typedefs/nothing_to_do.pass.cpp
@@ -6,8 +6,4 @@
 //
 //===----------------------------------------------------------------------===//
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/std/strings/string.conversions/stod.pass.cpp b/libcxx/test/std/strings/string.conversions/stod.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stod.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stod.pass.cpp
@@ -18,141 +18,140 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    // char
-    {
-        assert(std::stod("0") == 0);
-        assert(std::stod("-0") == 0);
-        assert(std::stod("-10") == -10);
-        assert(std::stod(" 10") == 10);
-        {
-            size_t idx = 0;
-            assert(std::stod("10g", &idx) == 10);
-            assert(idx == 2);
-        }
-        {
-            size_t idx = 0;
-            assert(std::stod("1.e60", &idx) == 1.e60);
-            assert(idx == 5);
-        }
-        {
-            size_t idx = 0;
-            assert(std::stod("INF", &idx) == INFINITY);
-            assert(idx == 3);
-        }
-        {
-            size_t idx = 0;
-            assert(std::isnan(std::stod("NAN", &idx)));
-            assert(idx == 3);
-        }
+int main(int, char**) {
+  // char
+  {
+    assert(std::stod("0") == 0);
+    assert(std::stod("-0") == 0);
+    assert(std::stod("-10") == -10);
+    assert(std::stod(" 10") == 10);
+    {
+      size_t idx = 0;
+      assert(std::stod("10g", &idx) == 10);
+      assert(idx == 2);
+    }
+    {
+      size_t idx = 0;
+      assert(std::stod("1.e60", &idx) == 1.e60);
+      assert(idx == 5);
+    }
+    {
+      size_t idx = 0;
+      assert(std::stod("INF", &idx) == INFINITY);
+      assert(idx == 3);
+    }
+    {
+      size_t idx = 0;
+      assert(std::isnan(std::stod("NAN", &idx)));
+      assert(idx == 3);
+    }
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
-        {
-            size_t idx = 0;
-            try {
-                assert(std::stod("1.e360", &idx) == INFINITY);
-                assert(false);
-            } catch (const std::out_of_range&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod("", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod("  - 8", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod("a1", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-#endif // TEST_HAS_NO_EXCEPTIONS
+    {
+      size_t idx = 0;
+      try {
+        assert(std::stod("1.e360", &idx) == INFINITY);
+        assert(false);
+      } catch (const std::out_of_range&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod("", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod("  - 8", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod("a1", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
     }
+#endif // TEST_HAS_NO_EXCEPTIONS
+  }
 
-    // wchar_t
+  // wchar_t
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  {
+    assert(std::stod(L"0") == 0);
+    assert(std::stod(L"-0") == 0);
+    assert(std::stod(L"-10.5") == -10.5);
+    assert(std::stod(L" 10") == 10);
     {
-        assert(std::stod(L"0") == 0);
-        assert(std::stod(L"-0") == 0);
-        assert(std::stod(L"-10.5") == -10.5);
-        assert(std::stod(L" 10") == 10);
-        {
-            size_t idx = 0;
-            assert(std::stod(L"10g", &idx) == 10);
-            assert(idx == 2);
-        }
-        {
-            size_t idx = 0;
-            assert(std::stod(L"1.e60", &idx) == 1.e60);
-            assert(idx == 5);
-        }
-        {
-            size_t idx = 0;
-            assert(std::stod(L"INF", &idx) == INFINITY);
-            assert(idx == 3);
-        }
-        {
-            size_t idx = 0;
-            assert(std::isnan(std::stod(L"NAN", &idx)));
-            assert(idx == 3);
-        }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-        {
-            size_t idx = 0;
-            try {
-                assert(std::stod(L"1.e360", &idx) == INFINITY);
-                assert(false);
-            } catch (const std::out_of_range&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod(L"", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod(L"  - 8", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-        {
-            size_t idx = 0;
-            try {
-                (void)std::stod(L"a1", &idx);
-                assert(false);
-            } catch (const std::invalid_argument&) {
-                assert(idx == 0);
-            }
-        }
-#endif // TEST_HAS_NO_EXCEPTIONS
+      size_t idx = 0;
+      assert(std::stod(L"10g", &idx) == 10);
+      assert(idx == 2);
+    }
+    {
+      size_t idx = 0;
+      assert(std::stod(L"1.e60", &idx) == 1.e60);
+      assert(idx == 5);
+    }
+    {
+      size_t idx = 0;
+      assert(std::stod(L"INF", &idx) == INFINITY);
+      assert(idx == 3);
+    }
+    {
+      size_t idx = 0;
+      assert(std::isnan(std::stod(L"NAN", &idx)));
+      assert(idx == 3);
+    }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+    {
+      size_t idx = 0;
+      try {
+        assert(std::stod(L"1.e360", &idx) == INFINITY);
+        assert(false);
+      } catch (const std::out_of_range&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod(L"", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod(L"  - 8", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
+    }
+    {
+      size_t idx = 0;
+      try {
+        (void)std::stod(L"a1", &idx);
+        assert(false);
+      } catch (const std::invalid_argument&) {
+        assert(idx == 0);
+      }
     }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+  }
 #endif // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
diff --git a/libcxx/test/std/strings/string.conversions/stof.pass.cpp b/libcxx/test/std/strings/string.conversions/stof.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stof.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stof.pass.cpp
@@ -18,143 +18,142 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stof("0") == 0);
-    assert(std::stof("-0") == 0);
-    assert(std::stof("-10") == -10);
-    assert(std::stof(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stof("10g", &idx) == 10);
-        assert(idx == 2);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stof("INF", &idx) == INFINITY);
-        assert(idx == 3);
-    }
-    {
-        size_t idx = 0;
-        assert(std::isnan(std::stof("NAN", &idx)));
-        assert(idx == 3);
-    }
+int main(int, char**) {
+  assert(std::stof("0") == 0);
+  assert(std::stof("-0") == 0);
+  assert(std::stof("-10") == -10);
+  assert(std::stof(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stof("10g", &idx) == 10);
+    assert(idx == 2);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stof("INF", &idx) == INFINITY);
+    assert(idx == 3);
+  }
+  {
+    size_t idx = 0;
+    assert(std::isnan(std::stof("NAN", &idx)));
+    assert(idx == 3);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stof("1.e60", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stof("1.e360", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stof("1.e60", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stof("1.e360", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stof(L"0") == 0);
-    assert(std::stof(L"-0") == 0);
-    assert(std::stof(L"-10.5") == -10.5);
-    assert(std::stof(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stof(L"10g", &idx) == 10);
-        assert(idx == 2);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stof(L"INF", &idx) == INFINITY);
-        assert(idx == 3);
-    }
-    {
-        size_t idx = 0;
-        assert(std::isnan(std::stof(L"NAN", &idx)));
-        assert(idx == 3);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stof(L"1.e60", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stof(L"1.e360", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stof(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  assert(std::stof(L"0") == 0);
+  assert(std::stof(L"-0") == 0);
+  assert(std::stof(L"-10.5") == -10.5);
+  assert(std::stof(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stof(L"10g", &idx) == 10);
+    assert(idx == 2);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stof(L"INF", &idx) == INFINITY);
+    assert(idx == 3);
+  }
+  {
+    size_t idx = 0;
+    assert(std::isnan(std::stof(L"NAN", &idx)));
+    assert(idx == 3);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stof(L"1.e60", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stof(L"1.e360", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stof(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stoi.pass.cpp b/libcxx/test/std/strings/string.conversions/stoi.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stoi.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stoi.pass.cpp
@@ -17,105 +17,102 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stoi("0") == 0);
-    assert(std::stoi("-0") == 0);
-    assert(std::stoi("-10") == -10);
-    assert(std::stoi(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoi("10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
+int main(int, char**) {
+  assert(std::stoi("0") == 0);
+  assert(std::stoi("-0") == 0);
+  assert(std::stoi("-10") == -10);
+  assert(std::stoi(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoi("10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) {
-        size_t idx = 0;
-        try {
-            (void)std::stoi("0x100000000", &idx, 16);
-            assert(false);
-        } catch (const std::out_of_range&) {
-
-        }
+  if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) {
+    size_t idx = 0;
+    try {
+      (void)std::stoi("0x100000000", &idx, 16);
+      assert(false);
+    } catch (const std::out_of_range&) {
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stoi(L"0") == 0);
-    assert(std::stoi(L"-0") == 0);
-    assert(std::stoi(L"-10") == -10);
-    assert(std::stoi(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoi(L"10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) {
-        size_t idx = 0;
-        try {
-            (void)std::stoi(L"0x100000000", &idx, 16);
-            assert(false);
-        } catch (const std::out_of_range&) {
-
-        }
+  assert(std::stoi(L"0") == 0);
+  assert(std::stoi(L"-0") == 0);
+  assert(std::stoi(L"-10") == -10);
+  assert(std::stoi(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoi(L"10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) {
+    size_t idx = 0;
+    try {
+      (void)std::stoi(L"0x100000000", &idx, 16);
+      assert(false);
+    } catch (const std::out_of_range&) {
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoi(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoi(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stol.pass.cpp b/libcxx/test/std/strings/string.conversions/stol.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stol.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stol.pass.cpp
@@ -17,107 +17,106 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stol("0") == 0);
-    assert(std::stol("-0") == 0);
-    assert(std::stol("-10") == -10);
-    assert(std::stol(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stol("10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
+int main(int, char**) {
+  assert(std::stol("0") == 0);
+  assert(std::stol("-0") == 0);
+  assert(std::stol("-10") == -10);
+  assert(std::stol(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stol("10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stol("9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stol("9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stol(L"0") == 0);
-    assert(std::stol(L"-0") == 0);
-    assert(std::stol(L"-10") == -10);
-    assert(std::stol(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stol(L"10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  assert(std::stol(L"0") == 0);
+  assert(std::stol(L"-0") == 0);
+  assert(std::stol(L"-10") == -10);
+  assert(std::stol(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stol(L"10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stol(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stol(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stol(L"9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stol(L"9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stold.pass.cpp b/libcxx/test/std/strings/string.conversions/stold.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stold.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stold.pass.cpp
@@ -18,136 +18,135 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stold("0") == 0);
-    assert(std::stold("-0") == 0);
-    assert(std::stold("-10") == -10);
-    assert(std::stold(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stold("10g", &idx) == 10);
-        assert(idx == 2);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stold("1.e60", &idx) == 1.e60L);
-        assert(idx == 5);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stold("INF", &idx) == INFINITY);
-        assert(idx == 3);
-    }
-    {
-        size_t idx = 0;
-        assert(std::isnan(std::stold("NAN", &idx)));
-        assert(idx == 3);
-    }
+int main(int, char**) {
+  assert(std::stold("0") == 0);
+  assert(std::stold("-0") == 0);
+  assert(std::stold("-10") == -10);
+  assert(std::stold(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stold("10g", &idx) == 10);
+    assert(idx == 2);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stold("1.e60", &idx) == 1.e60L);
+    assert(idx == 5);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stold("INF", &idx) == INFINITY);
+    assert(idx == 3);
+  }
+  {
+    size_t idx = 0;
+    assert(std::isnan(std::stold("NAN", &idx)));
+    assert(idx == 3);
+  }
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stold("1.e6000", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stold("1.e6000", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stold(L"0") == 0);
-    assert(std::stold(L"-0") == 0);
-    assert(std::stold(L"-10.5") == -10.5);
-    assert(std::stold(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stold(L"10g", &idx) == 10);
-        assert(idx == 2);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stold(L"1.e60", &idx) == 1.e60L);
-        assert(idx == 5);
-    }
-    {
-        size_t idx = 0;
-        assert(std::stold(L"INF", &idx) == INFINITY);
-        assert(idx == 3);
-    }
-    {
-        size_t idx = 0;
-        assert(std::isnan(std::stold(L"NAN", &idx)));
-        assert(idx == 3);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stold(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
-    }
-    {
-        size_t idx = 0;
-        try {
-            assert(std::stold(L"1.e6000", &idx) == INFINITY);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
-    }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  assert(std::stold(L"0") == 0);
+  assert(std::stold(L"-0") == 0);
+  assert(std::stold(L"-10.5") == -10.5);
+  assert(std::stold(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stold(L"10g", &idx) == 10);
+    assert(idx == 2);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stold(L"1.e60", &idx) == 1.e60L);
+    assert(idx == 5);
+  }
+  {
+    size_t idx = 0;
+    assert(std::stold(L"INF", &idx) == INFINITY);
+    assert(idx == 3);
+  }
+  {
+    size_t idx = 0;
+    assert(std::isnan(std::stold(L"NAN", &idx)));
+    assert(idx == 3);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stold(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
+    }
+  }
+  {
+    size_t idx = 0;
+    try {
+      assert(std::stold(L"1.e6000", &idx) == INFINITY);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
+    }
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stoll.pass.cpp b/libcxx/test/std/strings/string.conversions/stoll.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stoll.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stoll.pass.cpp
@@ -17,107 +17,106 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stoll("0") == 0);
-    assert(std::stoll("-0") == 0);
-    assert(std::stoll("-10") == -10);
-    assert(std::stoll(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoll("10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
+int main(int, char**) {
+  assert(std::stoll("0") == 0);
+  assert(std::stoll("-0") == 0);
+  assert(std::stoll("-10") == -10);
+  assert(std::stoll(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoll("10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoll("99999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoll("99999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stoll(L"0") == 0);
-    assert(std::stoll(L"-0") == 0);
-    assert(std::stoll(L"-10") == -10);
-    assert(std::stoll(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoll(L"10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  assert(std::stoll(L"0") == 0);
+  assert(std::stoll(L"-0") == 0);
+  assert(std::stoll(L"-10") == -10);
+  assert(std::stoll(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoll(L"10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoll(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoll(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoll(L"99999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoll(L"99999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stoul.pass.cpp b/libcxx/test/std/strings/string.conversions/stoul.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stoul.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stoul.pass.cpp
@@ -17,105 +17,104 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stoul("0") == 0);
-    assert(std::stoul("-0") == 0);
-    assert(std::stoul(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoul("10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
+int main(int, char**) {
+  assert(std::stoul("0") == 0);
+  assert(std::stoul("-0") == 0);
+  assert(std::stoul(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoul("10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoul("9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoul("9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stoul(L"0") == 0);
-    assert(std::stoul(L"-0") == 0);
-    assert(std::stoul(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoul(L"10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  assert(std::stoul(L"0") == 0);
+  assert(std::stoul(L"-0") == 0);
+  assert(std::stoul(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoul(L"10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoul(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoul(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoul(L"9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoul(L"9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/stoull.pass.cpp b/libcxx/test/std/strings/string.conversions/stoull.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/stoull.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/stoull.pass.cpp
@@ -17,105 +17,104 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    assert(std::stoull("0") == 0);
-    assert(std::stoull("-0") == 0);
-    assert(std::stoull(" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoull("10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
+int main(int, char**) {
+  assert(std::stoull("0") == 0);
+  assert(std::stoull("-0") == 0);
+  assert(std::stoull(" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoull("10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull("", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull("", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull("  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull("  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull("a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull("a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoull("9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoull("9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
+  }
 #endif // TEST_HAS_NO_EXCEPTIONS
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert(std::stoull(L"0") == 0);
-    assert(std::stoull(L"-0") == 0);
-    assert(std::stoull(L" 10") == 10);
-    {
-        size_t idx = 0;
-        assert(std::stoull(L"10g", &idx, 16) == 16);
-        assert(idx == 2);
-    }
-#ifndef TEST_HAS_NO_EXCEPTIONS
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull(L"", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  assert(std::stoull(L"0") == 0);
+  assert(std::stoull(L"-0") == 0);
+  assert(std::stoull(L" 10") == 10);
+  {
+    size_t idx = 0;
+    assert(std::stoull(L"10g", &idx, 16) == 16);
+    assert(idx == 2);
+  }
+#  ifndef TEST_HAS_NO_EXCEPTIONS
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull(L"", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull(L"  - 8", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull(L"  - 8", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            (void)std::stoull(L"a1", &idx);
-            assert(false);
-        } catch (const std::invalid_argument&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      (void)std::stoull(L"a1", &idx);
+      assert(false);
+    } catch (const std::invalid_argument&) {
+      assert(idx == 0);
     }
-    {
-        size_t idx = 0;
-        try {
-            // LWG#2009 and PR14919
-            (void)std::stoull(L"9999999999999999999999999999999999999999999999999", &idx);
-            assert(false);
-        } catch (const std::out_of_range&) {
-            assert(idx == 0);
-        }
+  }
+  {
+    size_t idx = 0;
+    try {
+      // LWG#2009 and PR14919
+      (void)std::stoull(L"9999999999999999999999999999999999999999999999999", &idx);
+      assert(false);
+    } catch (const std::out_of_range&) {
+      assert(idx == 0);
     }
-#endif // TEST_HAS_NO_EXCEPTIONS
-#endif // TEST_HAS_NO_WIDE_CHARACTERS
+  }
+#  endif // TEST_HAS_NO_EXCEPTIONS
+#endif   // TEST_HAS_NO_WIDE_CHARACTERS
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/to_string.pass.cpp b/libcxx/test/std/strings/string.conversions/to_string.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/to_string.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/to_string.pass.cpp
@@ -26,99 +26,92 @@
 #include "test_macros.h"
 
 template <class T>
-void
-test_signed()
-{
-    {
-        std::string s = std::to_string(T(0));
-        assert(s.size() == 1);
-        assert(s[s.size()] == 0);
-        assert(s == "0");
-    }
-    {
-        std::string s = std::to_string(T(12345));
-        assert(s.size() == 5);
-        assert(s[s.size()] == 0);
-        assert(s == "12345");
-    }
-    {
-        std::string s = std::to_string(T(-12345));
-        assert(s.size() == 6);
-        assert(s[s.size()] == 0);
-        assert(s == "-12345");
-    }
-    {
-        std::string s = std::to_string(std::numeric_limits<T>::max());
-        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::max());
-    }
-    {
-        std::string s = std::to_string(std::numeric_limits<T>::min());
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::min());
-    }
+void test_signed() {
+  {
+    std::string s = std::to_string(T(0));
+    assert(s.size() == 1);
+    assert(s[s.size()] == 0);
+    assert(s == "0");
+  }
+  {
+    std::string s = std::to_string(T(12345));
+    assert(s.size() == 5);
+    assert(s[s.size()] == 0);
+    assert(s == "12345");
+  }
+  {
+    std::string s = std::to_string(T(-12345));
+    assert(s.size() == 6);
+    assert(s[s.size()] == 0);
+    assert(s == "-12345");
+  }
+  {
+    std::string s = std::to_string(std::numeric_limits<T>::max());
+    assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+    T t = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::max());
+  }
+  {
+    std::string s = std::to_string(std::numeric_limits<T>::min());
+    T t           = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::min());
+  }
 }
 
 template <class T>
-void
-test_unsigned()
-{
-    {
-        std::string s = std::to_string(T(0));
-        assert(s.size() == 1);
-        assert(s[s.size()] == 0);
-        assert(s == "0");
-    }
-    {
-        std::string s = std::to_string(T(12345));
-        assert(s.size() == 5);
-        assert(s[s.size()] == 0);
-        assert(s == "12345");
-    }
-    {
-        std::string s = std::to_string(std::numeric_limits<T>::max());
-        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::max());
-    }
+void test_unsigned() {
+  {
+    std::string s = std::to_string(T(0));
+    assert(s.size() == 1);
+    assert(s[s.size()] == 0);
+    assert(s == "0");
+  }
+  {
+    std::string s = std::to_string(T(12345));
+    assert(s.size() == 5);
+    assert(s[s.size()] == 0);
+    assert(s == "12345");
+  }
+  {
+    std::string s = std::to_string(std::numeric_limits<T>::max());
+    assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+    T t = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::max());
+  }
 }
 
 template <class T>
-void
-test_float()
-{
-    {
-        std::string s = std::to_string(T(0));
-        assert(s.size() == 8);
-        assert(s[s.size()] == 0);
-        assert(s == "0.000000");
-    }
-    {
-        std::string s = std::to_string(T(12345));
-        assert(s.size() == 12);
-        assert(s[s.size()] == 0);
-        assert(s == "12345.000000");
-    }
-    {
-        std::string s = std::to_string(T(-12345));
-        assert(s.size() == 13);
-        assert(s[s.size()] == 0);
-        assert(s == "-12345.000000");
-    }
+void test_float() {
+  {
+    std::string s = std::to_string(T(0));
+    assert(s.size() == 8);
+    assert(s[s.size()] == 0);
+    assert(s == "0.000000");
+  }
+  {
+    std::string s = std::to_string(T(12345));
+    assert(s.size() == 12);
+    assert(s[s.size()] == 0);
+    assert(s == "12345.000000");
+  }
+  {
+    std::string s = std::to_string(T(-12345));
+    assert(s.size() == 13);
+    assert(s[s.size()] == 0);
+    assert(s == "-12345.000000");
+  }
 }
 
-int main(int, char**)
-{
-    test_signed<int>();
-    test_signed<long>();
-    test_signed<long long>();
-    test_unsigned<unsigned>();
-    test_unsigned<unsigned long>();
-    test_unsigned<unsigned long long>();
-    test_float<float>();
-    test_float<double>();
-    test_float<long double>();
+int main(int, char**) {
+  test_signed<int>();
+  test_signed<long>();
+  test_signed<long long>();
+  test_unsigned<unsigned>();
+  test_unsigned<unsigned long>();
+  test_unsigned<unsigned long long>();
+  test_float<float>();
+  test_float<double>();
+  test_float<long double>();
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.conversions/to_wstring.pass.cpp b/libcxx/test/std/strings/string.conversions/to_wstring.pass.cpp
--- a/libcxx/test/std/strings/string.conversions/to_wstring.pass.cpp
+++ b/libcxx/test/std/strings/string.conversions/to_wstring.pass.cpp
@@ -28,99 +28,92 @@
 #include "test_macros.h"
 
 template <class T>
-void
-test_signed()
-{
-    {
-        std::wstring s = std::to_wstring(T(0));
-        assert(s.size() == 1);
-        assert(s[s.size()] == 0);
-        assert(s == L"0");
-    }
-    {
-        std::wstring s = std::to_wstring(T(12345));
-        assert(s.size() == 5);
-        assert(s[s.size()] == 0);
-        assert(s == L"12345");
-    }
-    {
-        std::wstring s = std::to_wstring(T(-12345));
-        assert(s.size() == 6);
-        assert(s[s.size()] == 0);
-        assert(s == L"-12345");
-    }
-    {
-        std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
-        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::max());
-    }
-    {
-        std::wstring s = std::to_wstring(std::numeric_limits<T>::min());
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::min());
-    }
+void test_signed() {
+  {
+    std::wstring s = std::to_wstring(T(0));
+    assert(s.size() == 1);
+    assert(s[s.size()] == 0);
+    assert(s == L"0");
+  }
+  {
+    std::wstring s = std::to_wstring(T(12345));
+    assert(s.size() == 5);
+    assert(s[s.size()] == 0);
+    assert(s == L"12345");
+  }
+  {
+    std::wstring s = std::to_wstring(T(-12345));
+    assert(s.size() == 6);
+    assert(s[s.size()] == 0);
+    assert(s == L"-12345");
+  }
+  {
+    std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
+    assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+    T t = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::max());
+  }
+  {
+    std::wstring s = std::to_wstring(std::numeric_limits<T>::min());
+    T t            = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::min());
+  }
 }
 
 template <class T>
-void
-test_unsigned()
-{
-    {
-        std::wstring s = std::to_wstring(T(0));
-        assert(s.size() == 1);
-        assert(s[s.size()] == 0);
-        assert(s == L"0");
-    }
-    {
-        std::wstring s = std::to_wstring(T(12345));
-        assert(s.size() == 5);
-        assert(s[s.size()] == 0);
-        assert(s == L"12345");
-    }
-    {
-        std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
-        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
-        T t = parse_integer<T>(s);
-        assert(t == std::numeric_limits<T>::max());
-    }
+void test_unsigned() {
+  {
+    std::wstring s = std::to_wstring(T(0));
+    assert(s.size() == 1);
+    assert(s[s.size()] == 0);
+    assert(s == L"0");
+  }
+  {
+    std::wstring s = std::to_wstring(T(12345));
+    assert(s.size() == 5);
+    assert(s[s.size()] == 0);
+    assert(s == L"12345");
+  }
+  {
+    std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
+    assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+    T t = parse_integer<T>(s);
+    assert(t == std::numeric_limits<T>::max());
+  }
 }
 
 template <class T>
-void
-test_float()
-{
-    {
-        std::wstring s = std::to_wstring(T(0));
-        assert(s.size() == 8);
-        assert(s[s.size()] == 0);
-        assert(s == L"0.000000");
-    }
-    {
-        std::wstring s = std::to_wstring(T(12345));
-        assert(s.size() == 12);
-        assert(s[s.size()] == 0);
-        assert(s == L"12345.000000");
-    }
-    {
-        std::wstring s = std::to_wstring(T(-12345));
-        assert(s.size() == 13);
-        assert(s[s.size()] == 0);
-        assert(s == L"-12345.000000");
-    }
+void test_float() {
+  {
+    std::wstring s = std::to_wstring(T(0));
+    assert(s.size() == 8);
+    assert(s[s.size()] == 0);
+    assert(s == L"0.000000");
+  }
+  {
+    std::wstring s = std::to_wstring(T(12345));
+    assert(s.size() == 12);
+    assert(s[s.size()] == 0);
+    assert(s == L"12345.000000");
+  }
+  {
+    std::wstring s = std::to_wstring(T(-12345));
+    assert(s.size() == 13);
+    assert(s[s.size()] == 0);
+    assert(s == L"-12345.000000");
+  }
 }
 
-int main(int, char**)
-{
-    test_signed<int>();
-    test_signed<long>();
-    test_signed<long long>();
-    test_unsigned<unsigned>();
-    test_unsigned<unsigned long>();
-    test_unsigned<unsigned long long>();
-    test_float<float>();
-    test_float<double>();
-    test_float<long double>();
+int main(int, char**) {
+  test_signed<int>();
+  test_signed<long>();
+  test_signed<long long>();
+  test_unsigned<unsigned>();
+  test_unsigned<unsigned long>();
+  test_unsigned<unsigned long long>();
+  test_float<float>();
+  test_float<double>();
+  test_float<long double>();
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/char.bad.fail.cpp b/libcxx/test/std/strings/string.view/char.bad.fail.cpp
--- a/libcxx/test/std/strings/string.view/char.bad.fail.cpp
+++ b/libcxx/test/std/strings/string.view/char.bad.fail.cpp
@@ -15,42 +15,42 @@
 #include "../basic.string/test_traits.h"
 
 struct NotTrivial {
-    NotTrivial() : value(3) {}
-    int value;
+  NotTrivial() : value(3) {}
+  int value;
 };
 
 struct NotStandardLayout {
 public:
-    NotStandardLayout() : one(1), two(2) {}
-    int sum() const { return one + two; } // silences "unused field 'two' warning"
-    int one;
+  NotStandardLayout() : one(1), two(2) {}
+  int sum() const { return one + two; } // silences "unused field 'two' warning"
+  int one;
+
 private:
-    int two;
+  int two;
 };
 
-int main(int, char**)
-{
-    {
-//  array
+int main(int, char**) {
+  {
+    //  array
     typedef char C[3];
     static_assert(std::is_array<C>::value, "");
     std::basic_string_view<C, test_traits<C> > sv;
-//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must not be an array}}
-    }
+    //  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must not be an array}}
+  }
 
-    {
-//  not trivial
+  {
+    //  not trivial
     static_assert(!std::is_trivial<NotTrivial>::value, "");
     std::basic_string_view<NotTrivial, test_traits<NotTrivial> > sv;
-//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be trivial}}
-    }
+    //  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be trivial}}
+  }
 
-    {
-//  not standard layout
+  {
+    //  not standard layout
     static_assert(!std::is_standard_layout<NotStandardLayout>::value, "");
     std::basic_string_view<NotStandardLayout, test_traits<NotStandardLayout> > sv;
-//  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be standard-layout}}
-    }
+    //  expected-error-re@string_view:* {{{{(static_assert|static assertion)}} failed{{.*}}Character type of basic_string_view must be standard-layout}}
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/range_concept_conformance.compile.pass.cpp b/libcxx/test/std/strings/string.view/range_concept_conformance.compile.pass.cpp
--- a/libcxx/test/std/strings/string.view/range_concept_conformance.compile.pass.cpp
+++ b/libcxx/test/std/strings/string.view/range_concept_conformance.compile.pass.cpp
@@ -15,8 +15,6 @@
 #include <concepts>
 #include <ranges>
 
-
-
 static_assert(std::same_as<std::ranges::iterator_t<std::string_view>, std::string_view::iterator>);
 static_assert(std::ranges::common_range<std::string_view>);
 static_assert(std::ranges::random_access_range<std::string_view>);
diff --git a/libcxx/test/std/strings/string.view/string.view.hash/char_type.hash.fail.cpp b/libcxx/test/std/strings/string.view/string.view.hash/char_type.hash.fail.cpp
--- a/libcxx/test/std/strings/string.view/string.view.hash/char_type.hash.fail.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.hash/char_type.hash.fail.cpp
@@ -21,57 +21,50 @@
 template <class _CharT>
 struct trait // copied from <__string>
 {
-    typedef _CharT         char_type;
-    typedef int            int_type;
-    typedef std::streamoff off_type;
-    typedef std::streampos pos_type;
-    typedef std::mbstate_t state_type;
+  typedef _CharT char_type;
+  typedef int int_type;
+  typedef std::streamoff off_type;
+  typedef std::streampos pos_type;
+  typedef std::mbstate_t state_type;
 
-    static inline void assign(char_type& __c1, const char_type& __c2) {
-        __c1 = __c2;
-    }
-    static inline bool eq(char_type __c1, char_type __c2) { return __c1 == __c2; }
-    static inline bool lt(char_type __c1, char_type __c2) { return __c1 < __c2; }
+  static inline void assign(char_type& __c1, const char_type& __c2) { __c1 = __c2; }
+  static inline bool eq(char_type __c1, char_type __c2) { return __c1 == __c2; }
+  static inline bool lt(char_type __c1, char_type __c2) { return __c1 < __c2; }
 
-    static int compare(const char_type* __s1, const char_type* __s2, size_t __n);
-    static size_t length(const char_type* __s);
-    static const char_type* find(const char_type* __s, size_t __n,
-                                 const char_type& __a);
+  static int compare(const char_type* __s1, const char_type* __s2, size_t __n);
+  static size_t length(const char_type* __s);
+  static const char_type* find(const char_type* __s, size_t __n, const char_type& __a);
 
-    static char_type* move(char_type* __s1, const char_type* __s2, size_t __n);
-    static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n);
-    static char_type* assign(char_type* __s, size_t __n, char_type __a);
+  static char_type* move(char_type* __s1, const char_type* __s2, size_t __n);
+  static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n);
+  static char_type* assign(char_type* __s, size_t __n, char_type __a);
 
-    static inline int_type not_eof(int_type __c) {
-        return eq_int_type(__c, eof()) ? ~eof() : __c;
-    }
-    static inline char_type to_char_type(int_type __c) { return char_type(__c); }
-    static inline int_type to_int_type(char_type __c) { return int_type(__c); }
-    static inline bool eq_int_type(int_type __c1, int_type __c2) {
-        return __c1 == __c2;
-    }
-    static inline int_type eof() { return int_type(EOF); }
+  static inline int_type not_eof(int_type __c) { return eq_int_type(__c, eof()) ? ~eof() : __c; }
+  static inline char_type to_char_type(int_type __c) { return char_type(__c); }
+  static inline int_type to_int_type(char_type __c) { return int_type(__c); }
+  static inline bool eq_int_type(int_type __c1, int_type __c2) { return __c1 == __c2; }
+  static inline int_type eof() { return int_type(EOF); }
 };
 
 template <class CharT>
 void test() {
-    typedef std::basic_string_view<CharT, trait<CharT> > strv_t;
-    std::hash<strv_t>
-        h; // expected-error-re 4 {{{{call to implicitly-deleted default constructor of 'std::hash<strv_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
+  typedef std::basic_string_view<CharT, trait<CharT> > strv_t;
+  std::hash<strv_t>
+      h; // expected-error-re 4 {{{{call to implicitly-deleted default constructor of 'std::hash<strv_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
-    // expected-error-re@-2 {{{{call to implicitly-deleted default constructor of 'std::hash<strv_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
+  // expected-error-re@-2 {{{{call to implicitly-deleted default constructor of 'std::hash<strv_t>'|implicit instantiation of undefined template}} {{.+}}}}}}
 #endif
-    (void)h;
+  (void)h;
 }
 
 int main(int, char**) {
-    test<char>();
-    test<wchar_t>();
+  test<char>();
+  test<wchar_t>();
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
-    test<char8_t>();
+  test<char8_t>();
 #endif
-    test<char16_t>();
-    test<char32_t>();
+  test<char16_t>();
+  test<char32_t>();
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.hash/enabled_hashes.pass.cpp b/libcxx/test/std/strings/string.view/string.view.hash/enabled_hashes.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.hash/enabled_hashes.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.hash/enabled_hashes.pass.cpp
@@ -36,18 +36,18 @@
   static bool eq(char_type, char_type);
   static bool lt(char_type, char_type);
 
-  static int              compare(const char_type*, const char_type*, size_t);
-  static size_t           length(const char_type*);
+  static int compare(const char_type*, const char_type*, size_t);
+  static size_t length(const char_type*);
   static const char_type* find(const char_type*, size_t, const char_type&);
-  static char_type*       move(char_type*, const char_type*, size_t);
-  static char_type*       copy(char_type*, const char_type*, size_t);
-  static char_type*       assign(char_type*, size_t, char_type);
+  static char_type* move(char_type*, const char_type*, size_t);
+  static char_type* copy(char_type*, const char_type*, size_t);
+  static char_type* assign(char_type*, size_t, char_type);
 
-  static int_type  not_eof(int_type);
+  static int_type not_eof(int_type);
   static char_type to_char_type(int_type);
-  static int_type  to_int_type(char_type);
-  static bool      eq_int_type(int_type, int_type);
-  static int_type  eof();
+  static int_type to_int_type(char_type);
+  static bool eq_int_type(int_type, int_type);
+  static int_type eof();
 };
 
 int main(int, char**) {
diff --git a/libcxx/test/std/strings/string.view/string.view.hash/string_view.pass.cpp b/libcxx/test/std/strings/string.view/string.view.hash/string_view.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.hash/string_view.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.hash/string_view.pass.cpp
@@ -28,46 +28,43 @@
 using std::string_view;
 
 template <class SV>
-void
-test()
-{
-    typedef std::hash<SV> H;
+void test() {
+  typedef std::hash<SV> H;
 #if TEST_STD_VER <= 14
-    static_assert((std::is_same<typename H::argument_type, SV>::value), "" );
-    static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+  static_assert((std::is_same<typename H::argument_type, SV>::value), "");
+  static_assert((std::is_same<typename H::result_type, std::size_t>::value), "");
 #endif
 
-    typedef typename SV::value_type char_type;
-    typedef std::basic_string<char_type> String;
-    typedef std::hash<String> SH;
-    ASSERT_NOEXCEPT(H()(SV()));
+  typedef typename SV::value_type char_type;
+  typedef std::basic_string<char_type> String;
+  typedef std::hash<String> SH;
+  ASSERT_NOEXCEPT(H()(SV()));
 
-    char_type g1 [ 10 ];
-    char_type g2 [ 10 ];
-    for ( int i = 0; i < 10; ++i )
-        g1[i] = g2[9-i] = static_cast<char_type>('0' + i);
-    H h;
-    SH sh;
-    SV s1(g1, 10);
-    String ss1(s1);
-    SV s2(g2, 10);
-    String ss2(s2);
-    assert(h(s1) == h(s1));
-    assert(h(s1) != h(s2));
-    assert(sh(ss1) == h(s1));
-    assert(sh(ss2) == h(s2));
+  char_type g1[10];
+  char_type g2[10];
+  for (int i = 0; i < 10; ++i)
+    g1[i] = g2[9 - i] = static_cast<char_type>('0' + i);
+  H h;
+  SH sh;
+  SV s1(g1, 10);
+  String ss1(s1);
+  SV s2(g2, 10);
+  String ss2(s2);
+  assert(h(s1) == h(s1));
+  assert(h(s1) != h(s2));
+  assert(sh(ss1) == h(s1));
+  assert(sh(ss2) == h(s2));
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_CHAR8_T
-    test<std::u8string_view>();
+  test<std::u8string_view>();
 #endif
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.access/at.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/at.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.access/at.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/at.pass.cpp
@@ -17,44 +17,48 @@
 #include "test_macros.h"
 
 template <typename CharT>
-void test ( const CharT *s, size_t len ) {
-    std::basic_string_view<CharT> sv ( s, len );
-    assert ( sv.length() == len );
-    for ( size_t i = 0; i < len; ++i ) {
-        assert (  sv.at(i) == s[i] );
-        assert ( &sv.at(i) == s + i );
-    }
+void test(const CharT* s, size_t len) {
+  std::basic_string_view<CharT> sv(s, len);
+  assert(sv.length() == len);
+  for (size_t i = 0; i < len; ++i) {
+    assert(sv.at(i) == s[i]);
+    assert(&sv.at(i) == s + i);
+  }
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
-    try { (void)sv.at(len); } catch ( const std::out_of_range & ) { return ; }
-    assert ( false );
+  try {
+    (void)sv.at(len);
+  } catch (const std::out_of_range&) {
+    return;
+  }
+  assert(false);
 #endif
 }
 
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
+  test("ABCDE", 5);
+  test("a", 1);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
 #endif
 
 #if TEST_STD_VER >= 11
-    {
-    constexpr std::basic_string_view<char> sv ( "ABC", 2 );
-    static_assert ( sv.length() ==  2,  "" );
-    static_assert ( sv.at(0) == 'A', "" );
-    static_assert ( sv.at(1) == 'B', "" );
-    }
+  {
+    constexpr std::basic_string_view<char> sv("ABC", 2);
+    static_assert(sv.length() == 2, "");
+    static_assert(sv.at(0) == 'A', "");
+    static_assert(sv.at(1) == 'B', "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.access/back.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/back.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.access/back.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/back.pass.cpp
@@ -18,39 +18,39 @@
 #include "test_macros.h"
 
 template <typename CharT>
-bool test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    SV sv ( s, len );
-    ASSERT_SAME_TYPE(decltype(sv.back()), typename SV::const_reference);
-    LIBCPP_ASSERT_NOEXCEPT(   sv.back());
-    assert ( sv.length() == len );
-    assert ( sv.back() == s[len-1] );
-    return &sv.back() == s + len - 1;
-    }
+bool test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  SV sv(s, len);
+  ASSERT_SAME_TYPE(decltype(sv.back()), typename SV::const_reference);
+  LIBCPP_ASSERT_NOEXCEPT(sv.back());
+  assert(sv.length() == len);
+  assert(sv.back() == s[len - 1]);
+  return &sv.back() == s + len - 1;
+}
 
 int main(int, char**) {
-    assert ( test ( "ABCDE", 5 ));
-    assert ( test ( "a", 1 ));
+  assert(test("ABCDE", 5));
+  assert(test("a", 1));
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert ( test ( L"ABCDE", 5 ));
-    assert ( test ( L"a", 1 ));
+  assert(test(L"ABCDE", 5));
+  assert(test(L"a", 1));
 #endif
 
 #if TEST_STD_VER >= 11
-    assert ( test ( u"ABCDE", 5 ));
-    assert ( test ( u"a", 1 ));
+  assert(test(u"ABCDE", 5));
+  assert(test(u"a", 1));
 
-    assert ( test ( U"ABCDE", 5 ));
-    assert ( test ( U"a", 1 ));
+  assert(test(U"ABCDE", 5));
+  assert(test(U"a", 1));
 #endif
 
 #if TEST_STD_VER >= 11
-    {
-    constexpr std::basic_string_view<char> sv ( "ABC", 2 );
-    static_assert ( sv.length() ==  2,  "" );
-    static_assert ( sv.back()  == 'B', "" );
-    }
+  {
+    constexpr std::basic_string_view<char> sv("ABC", 2);
+    static_assert(sv.length() == 2, "");
+    static_assert(sv.back() == 'B', "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/data.pass.cpp
@@ -19,40 +19,40 @@
 #include "test_macros.h"
 
 template <typename CharT>
-void test ( const CharT *s, size_t len ) {
-    std::basic_string_view<CharT> sv ( s, len );
-    assert ( sv.length() == len );
-    assert ( sv.data() == s );
+void test(const CharT* s, size_t len) {
+  std::basic_string_view<CharT> sv(s, len);
+  assert(sv.length() == len);
+  assert(sv.data() == s);
 #if TEST_STD_VER > 14
-//  make sure we pick up std::data, too!
-    assert ( sv.data() == std::data(sv));
+  //  make sure we pick up std::data, too!
+  assert(sv.data() == std::data(sv));
 #endif
-    }
+}
 
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
+  test("ABCDE", 5);
+  test("a", 1);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr const char *s = "ABC";
-    constexpr std::basic_string_view<char> sv( s, 2 );
-    static_assert( sv.length() ==  2,  "" );
-    static_assert( sv.data() == s, "" );
-    }
+  {
+    constexpr const char* s = "ABC";
+    constexpr std::basic_string_view<char> sv(s, 2);
+    static_assert(sv.length() == 2, "");
+    static_assert(sv.data() == s, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.access/front.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/front.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.access/front.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/front.pass.cpp
@@ -18,39 +18,39 @@
 #include "test_macros.h"
 
 template <typename CharT>
-bool test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    SV sv ( s, len );
-    ASSERT_SAME_TYPE(decltype(sv.front()), typename SV::const_reference);
-    LIBCPP_ASSERT_NOEXCEPT(   sv.front());
-    assert ( sv.length() == len );
-    assert ( sv.front() == s[0] );
-    return &sv.front() == s;
-    }
+bool test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  SV sv(s, len);
+  ASSERT_SAME_TYPE(decltype(sv.front()), typename SV::const_reference);
+  LIBCPP_ASSERT_NOEXCEPT(sv.front());
+  assert(sv.length() == len);
+  assert(sv.front() == s[0]);
+  return &sv.front() == s;
+}
 
 int main(int, char**) {
-    assert ( test ( "ABCDE", 5 ));
-    assert ( test ( "a", 1 ));
+  assert(test("ABCDE", 5));
+  assert(test("a", 1));
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert ( test ( L"ABCDE", 5 ));
-    assert ( test ( L"a", 1 ));
+  assert(test(L"ABCDE", 5));
+  assert(test(L"a", 1));
 #endif
 
 #if TEST_STD_VER >= 11
-    assert ( test ( u"ABCDE", 5 ));
-    assert ( test ( u"a", 1 ));
+  assert(test(u"ABCDE", 5));
+  assert(test(u"a", 1));
 
-    assert ( test ( U"ABCDE", 5 ));
-    assert ( test ( U"a", 1 ));
+  assert(test(U"ABCDE", 5));
+  assert(test(U"a", 1));
 #endif
 
 #if TEST_STD_VER >= 11
-    {
-    constexpr std::basic_string_view<char> sv ( "ABC", 2 );
-    static_assert ( sv.length() ==  2,  "" );
-    static_assert ( sv.front()  == 'A', "" );
-    }
+  {
+    constexpr std::basic_string_view<char> sv("ABC", 2);
+    static_assert(sv.length() == 2, "");
+    static_assert(sv.front() == 'A', "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.access/index.pass.cpp b/libcxx/test/std/strings/string.view/string.view.access/index.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.access/index.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.access/index.pass.cpp
@@ -18,42 +18,42 @@
 #include "test_macros.h"
 
 template <typename CharT>
-void test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    SV sv ( s, len );
-    ASSERT_SAME_TYPE(decltype(sv[0]), typename SV::const_reference);
-    LIBCPP_ASSERT_NOEXCEPT(   sv[0]);
-    assert ( sv.length() == len );
-    for ( size_t i = 0; i < len; ++i ) {
-        assert ( sv[i] == s[i] );
-        assert ( &sv[i] == s + i );
-        }
-    }
+void test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  SV sv(s, len);
+  ASSERT_SAME_TYPE(decltype(sv[0]), typename SV::const_reference);
+  LIBCPP_ASSERT_NOEXCEPT(sv[0]);
+  assert(sv.length() == len);
+  for (size_t i = 0; i < len; ++i) {
+    assert(sv[i] == s[i]);
+    assert(&sv[i] == s + i);
+  }
+}
 
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
+  test("ABCDE", 5);
+  test("a", 1);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr std::basic_string_view<char> sv ( "ABC", 2 );
-    static_assert ( sv.length() ==  2,  "" );
-    static_assert ( sv[0]  == 'A', "" );
-    static_assert ( sv[1]  == 'B', "" );
-    }
+  {
+    constexpr std::basic_string_view<char> sv("ABC", 2);
+    static_assert(sv.length() == 2, "");
+    static_assert(sv[0] == 'A', "");
+    static_assert(sv[1] == 'B', "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp b/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.capacity/capacity.pass.cpp
@@ -23,98 +23,103 @@
 
 #include "test_macros.h"
 
-template<typename SV>
-void test1 () {
+template <typename SV>
+void test1() {
 #if TEST_STD_VER > 11
-    {
+  {
     constexpr SV sv1;
-    static_assert ( sv1.size() == 0, "" );
-    static_assert ( sv1.empty(), "");
-    static_assert ( sv1.size() == sv1.length(), "" );
-    static_assert ( sv1.max_size() > sv1.size(), "");
-    }
+    static_assert(sv1.size() == 0, "");
+    static_assert(sv1.empty(), "");
+    static_assert(sv1.size() == sv1.length(), "");
+    static_assert(sv1.max_size() > sv1.size(), "");
+  }
 #endif
 
-    {
+  {
     SV sv1;
     ASSERT_NOEXCEPT(sv1.size());
     ASSERT_NOEXCEPT(sv1.empty());
     ASSERT_NOEXCEPT(sv1.max_size());
     ASSERT_NOEXCEPT(sv1.length());
-    assert ( sv1.size() == 0 );
-    assert ( sv1.empty());
-    assert ( sv1.size() == sv1.length());
-    assert ( sv1.max_size() > sv1.size());
-    }
-
-    // Sanity check max_size() -- a string_view can't store more bytes than a single object
-    // can contain. Any implementation that fails this check is certainly lying.
-    {
-        typedef typename SV::value_type CharT;
-        typedef typename SV::size_type Size;
-        SV sv;
-        assert(sv.max_size() <= std::numeric_limits<Size>::max() / sizeof(CharT));
-        LIBCPP_ASSERT(sv.max_size() == std::numeric_limits<Size>::max() / sizeof(CharT));
-    }
+    assert(sv1.size() == 0);
+    assert(sv1.empty());
+    assert(sv1.size() == sv1.length());
+    assert(sv1.max_size() > sv1.size());
+  }
+
+  // Sanity check max_size() -- a string_view can't store more bytes than a single object
+  // can contain. Any implementation that fails this check is certainly lying.
+  {
+    typedef typename SV::value_type CharT;
+    typedef typename SV::size_type Size;
+    SV sv;
+    assert(sv.max_size() <= std::numeric_limits<Size>::max() / sizeof(CharT));
+    LIBCPP_ASSERT(sv.max_size() == std::numeric_limits<Size>::max() / sizeof(CharT));
+  }
 }
 
-template<typename CharT>
-void test2 ( const CharT *s, size_t len ) {
-    {
-    std::basic_string_view<CharT> sv1 ( s );
-    assert ( sv1.size() == len );
-    assert ( sv1.data() == s );
-    assert ( sv1.empty() == (len == 0));
-    assert ( sv1.size() == sv1.length());
-    assert ( sv1.max_size() > sv1.size());
+template <typename CharT>
+void test2(const CharT* s, size_t len) {
+  {
+    std::basic_string_view<CharT> sv1(s);
+    assert(sv1.size() == len);
+    assert(sv1.data() == s);
+    assert(sv1.empty() == (len == 0));
+    assert(sv1.size() == sv1.length());
+    assert(sv1.max_size() > sv1.size());
 #if TEST_STD_VER > 14
-//  make sure we pick up std::size, too!
-    assert ( sv1.size() == std::size(sv1));
-    assert ( sv1.empty() == std::empty(sv1));
+    //  make sure we pick up std::size, too!
+    assert(sv1.size() == std::size(sv1));
+    assert(sv1.empty() == std::empty(sv1));
 #endif
-    }
+  }
 }
 
 int main(int, char**) {
-    test1<std::string_view> ();
+  test1<std::string_view>();
 #ifndef TEST_HAS_NO_CHAR8_T
-    test1<std::u8string_view> ();
+  test1<std::u8string_view>();
 #endif
-    test1<std::u16string_view> ();
-    test1<std::u32string_view> ();
+  test1<std::u16string_view>();
+  test1<std::u32string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test1<std::wstring_view> ();
+  test1<std::wstring_view>();
 #endif
 
-    test2 ( "ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE", 105 );
-    test2 ( "ABCDE", 5 );
-    test2 ( "a", 1 );
-    test2 ( "", 0 );
+  test2("ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
+        105);
+  test2("ABCDE", 5);
+  test2("a", 1);
+  test2("", 0);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test2 ( L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE", 105 );
-    test2 ( L"ABCDE", 5 );
-    test2 ( L"a", 1 );
-    test2 ( L"", 0 );
+  test2(L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
+        105);
+  test2(L"ABCDE", 5);
+  test2(L"a", 1);
+  test2(L"", 0);
 #endif
 
 #ifndef TEST_HAS_NO_CHAR8_T
-    test2 ( u8"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE", 105 );
-    test2 ( u8"ABCDE", 5 );
-    test2 ( u8"a", 1 );
-    test2 ( u8"", 0 );
+  test2(u8"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
+        105);
+  test2(u8"ABCDE", 5);
+  test2(u8"a", 1);
+  test2(u8"", 0);
 #endif
 
 #if TEST_STD_VER >= 11
-    test2 ( u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE", 105 );
-    test2 ( u"ABCDE", 5 );
-    test2 ( u"a", 1 );
-    test2 ( u"", 0 );
-
-    test2 ( U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE", 105 );
-    test2 ( U"ABCDE", 5 );
-    test2 ( U"a", 1 );
-    test2 ( U"", 0 );
+  test2(u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
+        105);
+  test2(u"ABCDE", 5);
+  test2(u"a", 1);
+  test2(u"", 0);
+
+  test2(U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
+        105);
+  test2(U"ABCDE", 5);
+  test2(U"a", 1);
+  test2(U"", 0);
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.capacity/empty.verify.cpp b/libcxx/test/std/strings/string.view/string.view.capacity/empty.verify.cpp
--- a/libcxx/test/std/strings/string.view/string.view.capacity/empty.verify.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.capacity/empty.verify.cpp
@@ -18,10 +18,9 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    std::string_view c;
-    c.empty();  // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
+int main(int, char**) {
+  std::string_view c;
+  c.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/equal.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/equal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/equal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/equal.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i == j);
-            assert((v[i] == v[j]) == expected);
-            assert((v[i].data() == v[j]) == expected);
-            assert((v[i] == v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) == v[j]) == expected);
-            assert((v[i] == ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) == v[j]) == expected);
-                assert((v[i] == std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc == abc0def) == false);
-    assert((abc == abcdef) == false);
-    assert((abc0def == abc) == false);
-    assert((abc0def == abcdef) == false);
-    assert((abcdef == abc) == false);
-    assert((abcdef == abc0def) == false);
-
-    assert((abc.data() == abc0def) == false);
-    assert((abc0def == abc.data()) == false);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) == abc0def) == false);
-        assert((abc0def == std::basic_string<CharT, Traits>(abc)) == false);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i == j);
+      assert((v[i] == v[j]) == expected);
+      assert((v[i].data() == v[j]) == expected);
+      assert((v[i] == v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) == v[j]) == expected);
+      assert((v[i] == ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) == v[j]) == expected);
+        assert((v[i] == std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc == abc0def) == false);
+  assert((abc == abcdef) == false);
+  assert((abc0def == abc) == false);
+  assert((abc0def == abcdef) == false);
+  assert((abcdef == abc) == false);
+  assert((abcdef == abc0def) == false);
+
+  assert((abc.data() == abc0def) == false);
+  assert((abc0def == abc.data()) == false);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) == abc0def) == false);
+    assert((abc0def == std::basic_string<CharT, Traits>(abc)) == false);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/greater.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/greater.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/greater.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/greater.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i > j);
-            assert((v[i] > v[j]) == expected);
-            assert((v[i].data() > v[j]) == expected);
-            assert((v[i] > v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) > v[j]) == expected);
-            assert((v[i] > ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) > v[j]) == expected);
-                assert((v[i] > std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc > abc0def) == false);
-    assert((abc > abcdef) == false);
-    assert((abc0def > abc) == true);
-    assert((abc0def > abcdef) == false);
-    assert((abcdef > abc) == true);
-    assert((abcdef > abc0def) == true);
-
-    assert((abc.data() > abc0def) == false);
-    assert((abc0def > abc.data()) == true);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) > abc0def) == false);
-        assert((abc0def > std::basic_string<CharT, Traits>(abc)) == true);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i > j);
+      assert((v[i] > v[j]) == expected);
+      assert((v[i].data() > v[j]) == expected);
+      assert((v[i] > v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) > v[j]) == expected);
+      assert((v[i] > ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) > v[j]) == expected);
+        assert((v[i] > std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc > abc0def) == false);
+  assert((abc > abcdef) == false);
+  assert((abc0def > abc) == true);
+  assert((abc0def > abcdef) == false);
+  assert((abcdef > abc) == true);
+  assert((abcdef > abc0def) == true);
+
+  assert((abc.data() > abc0def) == false);
+  assert((abc0def > abc.data()) == true);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) > abc0def) == false);
+    assert((abc0def > std::basic_string<CharT, Traits>(abc)) == true);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/greater_equal.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/greater_equal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/greater_equal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/greater_equal.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i >= j);
-            assert((v[i] >= v[j]) == expected);
-            assert((v[i].data() >= v[j]) == expected);
-            assert((v[i] >= v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) >= v[j]) == expected);
-            assert((v[i] >= ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) >= v[j]) == expected);
-                assert((v[i] >= std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc >= abc0def) == false);
-    assert((abc >= abcdef) == false);
-    assert((abc0def >= abc) == true);
-    assert((abc0def >= abcdef) == false);
-    assert((abcdef >= abc) == true);
-    assert((abcdef >= abc0def) == true);
-
-    assert((abc.data() >= abc0def) == false);
-    assert((abc0def >= abc.data()) == true);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) >= abc0def) == false);
-        assert((abc0def >= std::basic_string<CharT, Traits>(abc)) == true);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i >= j);
+      assert((v[i] >= v[j]) == expected);
+      assert((v[i].data() >= v[j]) == expected);
+      assert((v[i] >= v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) >= v[j]) == expected);
+      assert((v[i] >= ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) >= v[j]) == expected);
+        assert((v[i] >= std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc >= abc0def) == false);
+  assert((abc >= abcdef) == false);
+  assert((abc0def >= abc) == true);
+  assert((abc0def >= abcdef) == false);
+  assert((abcdef >= abc) == true);
+  assert((abcdef >= abc0def) == true);
+
+  assert((abc.data() >= abc0def) == false);
+  assert((abc0def >= abc.data()) == true);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) >= abc0def) == false);
+    assert((abc0def >= std::basic_string<CharT, Traits>(abc)) == true);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/less.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/less.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/less.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/less.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i < j);
-            assert((v[i] < v[j]) == expected);
-            assert((v[i].data() < v[j]) == expected);
-            assert((v[i] < v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) < v[j]) == expected);
-            assert((v[i] < ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) < v[j]) == expected);
-                assert((v[i] < std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc < abc0def) == true);
-    assert((abc < abcdef) == true);
-    assert((abc0def < abc) == false);
-    assert((abc0def < abcdef) == true);
-    assert((abcdef < abc) == false);
-    assert((abcdef < abc0def) == false);
-
-    assert((abc.data() < abc0def) == true);
-    assert((abc0def < abc.data()) == false);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) < abc0def) == true);
-        assert((abc0def < std::basic_string<CharT, Traits>(abc)) == false);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i < j);
+      assert((v[i] < v[j]) == expected);
+      assert((v[i].data() < v[j]) == expected);
+      assert((v[i] < v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) < v[j]) == expected);
+      assert((v[i] < ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) < v[j]) == expected);
+        assert((v[i] < std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc < abc0def) == true);
+  assert((abc < abcdef) == true);
+  assert((abc0def < abc) == false);
+  assert((abc0def < abcdef) == true);
+  assert((abcdef < abc) == false);
+  assert((abcdef < abc0def) == false);
+
+  assert((abc.data() < abc0def) == true);
+  assert((abc0def < abc.data()) == false);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) < abc0def) == true);
+    assert((abc0def < std::basic_string<CharT, Traits>(abc)) == false);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/less_equal.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/less_equal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/less_equal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/less_equal.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i <= j);
-            assert((v[i] <= v[j]) == expected);
-            assert((v[i].data() <= v[j]) == expected);
-            assert((v[i] <= v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) <= v[j]) == expected);
-            assert((v[i] <= ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) <= v[j]) == expected);
-                assert((v[i] <= std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc <= abc0def) == true);
-    assert((abc <= abcdef) == true);
-    assert((abc0def <= abc) == false);
-    assert((abc0def <= abcdef) == true);
-    assert((abcdef <= abc) == false);
-    assert((abcdef <= abc0def) == false);
-
-    assert((abc.data() <= abc0def) == true);
-    assert((abc0def <= abc.data()) == false);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) <= abc0def) == true);
-        assert((abc0def <= std::basic_string<CharT, Traits>(abc)) == false);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i <= j);
+      assert((v[i] <= v[j]) == expected);
+      assert((v[i].data() <= v[j]) == expected);
+      assert((v[i] <= v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) <= v[j]) == expected);
+      assert((v[i] <= ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) <= v[j]) == expected);
+        assert((v[i] <= std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc <= abc0def) == true);
+  assert((abc <= abcdef) == true);
+  assert((abc0def <= abc) == false);
+  assert((abc0def <= abcdef) == true);
+  assert((abcdef <= abc) == false);
+  assert((abcdef <= abc0def) == false);
+
+  assert((abc.data() <= abc0def) == true);
+  assert((abc0def <= abc.data()) == false);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) <= abc0def) == true);
+    assert((abc0def <= std::basic_string<CharT, Traits>(abc)) == false);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.comparison/not_equal.pass.cpp b/libcxx/test/std/strings/string.view/string.view.comparison/not_equal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.comparison/not_equal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.comparison/not_equal.pass.cpp
@@ -22,95 +22,91 @@
 #include "constexpr_char_traits.h"
 #include "make_string.h"
 
-template<class T>
+template <class T>
 struct ConvertibleTo {
-    T t_;
-    TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
-    TEST_CONSTEXPR operator T() const {
-        return t_;
-    }
+  T t_;
+  TEST_CONSTEXPR explicit ConvertibleTo(T t) : t_(t) {}
+  TEST_CONSTEXPR operator T() const { return t_; }
 };
 
-template<class SV>
-TEST_CONSTEXPR_CXX14 bool test()
-{
-    typedef typename SV::value_type CharT;
-    typedef typename SV::traits_type Traits;
-
-    // Test the behavior of the operator, both with and without implicit conversions.
-    SV v[] = {
-        SV(MAKE_CSTRING(CharT, "")),
-        SV(MAKE_CSTRING(CharT, "abc")),
-        SV(MAKE_CSTRING(CharT, "abcdef")),
-        SV(MAKE_CSTRING(CharT, "acb")),
-    };
-    for (int i = 0; i < 4; ++i) {
-        for (int j = 0; j < 4; ++j) {
-            // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
-            bool expected = (i != j);
-            assert((v[i] != v[j]) == expected);
-            assert((v[i].data() != v[j]) == expected);
-            assert((v[i] != v[j].data()) == expected);
-            assert((ConvertibleTo<SV>(v[i]) != v[j]) == expected);
-            assert((v[i] != ConvertibleTo<SV>(v[j])) == expected);
-
-            if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-                assert((std::basic_string<CharT, Traits>(v[i]) != v[j]) == expected);
-                assert((v[i] != std::basic_string<CharT, Traits>(v[j])) == expected);
-            }
-        }
-    }
-
-    // Test its behavior with embedded null bytes.
-    SV abc = SV(MAKE_CSTRING(CharT, "abc"));
-    SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
-    SV abcdef = SV(MAKE_CSTRING(CharT, "abcdef"));
-    assert((abc != abc0def) == true);
-    assert((abc != abcdef) == true);
-    assert((abc0def != abc) == true);
-    assert((abc0def != abcdef) == true);
-    assert((abcdef != abc) == true);
-    assert((abcdef != abc0def) == true);
-
-    assert((abc.data() != abc0def) == true);
-    assert((abc0def != abc.data()) == true);
-
-    if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
-        assert((std::basic_string<CharT, Traits>(abc) != abc0def) == true);
-        assert((abc0def != std::basic_string<CharT, Traits>(abc)) == true);
+template <class SV>
+TEST_CONSTEXPR_CXX14 bool test() {
+  typedef typename SV::value_type CharT;
+  typedef typename SV::traits_type Traits;
+
+  // Test the behavior of the operator, both with and without implicit conversions.
+  SV v[] = {
+      SV(MAKE_CSTRING(CharT, "")),
+      SV(MAKE_CSTRING(CharT, "abc")),
+      SV(MAKE_CSTRING(CharT, "abcdef")),
+      SV(MAKE_CSTRING(CharT, "acb")),
+  };
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 4; ++j) {
+      // See http://eel.is/c++draft/string.view#tab:string.view.comparison.overloads
+      bool expected = (i != j);
+      assert((v[i] != v[j]) == expected);
+      assert((v[i].data() != v[j]) == expected);
+      assert((v[i] != v[j].data()) == expected);
+      assert((ConvertibleTo<SV>(v[i]) != v[j]) == expected);
+      assert((v[i] != ConvertibleTo<SV>(v[j])) == expected);
+
+      if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+        assert((std::basic_string<CharT, Traits>(v[i]) != v[j]) == expected);
+        assert((v[i] != std::basic_string<CharT, Traits>(v[j])) == expected);
+      }
     }
-
-    return true;
+  }
+
+  // Test its behavior with embedded null bytes.
+  SV abc     = SV(MAKE_CSTRING(CharT, "abc"));
+  SV abc0def = SV(MAKE_CSTRING(CharT, "abc\0def"), 7);
+  SV abcdef  = SV(MAKE_CSTRING(CharT, "abcdef"));
+  assert((abc != abc0def) == true);
+  assert((abc != abcdef) == true);
+  assert((abc0def != abc) == true);
+  assert((abc0def != abcdef) == true);
+  assert((abcdef != abc) == true);
+  assert((abcdef != abc0def) == true);
+
+  assert((abc.data() != abc0def) == true);
+  assert((abc0def != abc.data()) == true);
+
+  if (!TEST_IS_CONSTANT_EVALUATED || TEST_STD_VER >= 20) {
+    assert((std::basic_string<CharT, Traits>(abc) != abc0def) == true);
+    assert((abc0def != std::basic_string<CharT, Traits>(abc)) == true);
+  }
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test<std::string_view>();
+int main(int, char**) {
+  test<std::string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view>();
+  test<std::wstring_view>();
 #endif
 #if TEST_STD_VER >= 11
-    test<std::u16string_view>();
-    test<std::u32string_view>();
+  test<std::u16string_view>();
+  test<std::u32string_view>();
 #endif
 #if TEST_STD_VER > 14
-    static_assert(test<std::string_view>(), "");
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test<std::wstring_view>(), "");
-#endif
-    static_assert(test<std::u16string_view>(), "");
-    static_assert(test<std::u32string_view>(), "");
+  static_assert(test<std::string_view>(), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>(), "");
+#  endif
+  static_assert(test<std::u16string_view>(), "");
+  static_assert(test<std::u32string_view>(), "");
 #endif
 
 #if TEST_STD_VER > 11
-    test<std::basic_string_view<char, constexpr_char_traits<char>>>();
-    static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
+  test<std::basic_string_view<char, constexpr_char_traits<char>>>();
+  static_assert(test<std::basic_string_view<char, constexpr_char_traits<char>>>(), "");
 #endif
 
 #if TEST_STD_VER > 17
-    test<std::u8string_view>();
-    static_assert(test<std::u8string_view>());
+  test<std::u8string_view>();
+  static_assert(test<std::u8string_view>());
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
@@ -17,43 +17,42 @@
 
 #include "test_macros.h"
 
-template<typename T>
+template <typename T>
 #if TEST_STD_VER > 11
 constexpr
 #endif
-bool test (T sv0)
-    {
-    T sv1;
-    sv1 = sv0;
-//  We can't just say "sv0 == sv1" here because string_view::compare
-//  isn't constexpr until C++17, and we want to support back to C++14
-    return sv0.size() == sv1.size() && sv0.data() == sv1.data();
-    }
+    bool
+    test(T sv0) {
+  T sv1;
+  sv1 = sv0;
+  //  We can't just say "sv0 == sv1" here because string_view::compare
+  //  isn't constexpr until C++17, and we want to support back to C++14
+  return sv0.size() == sv1.size() && sv0.data() == sv1.data();
+}
 
 int main(int, char**) {
-
-    assert( test<std::string_view>    (  "1234"));
+  assert(test<std::string_view>("1234"));
 #ifndef TEST_HAS_NO_CHAR8_T
-    assert( test<std::u8string_view>  (u8"1234"));
+  assert(test<std::u8string_view>(u8"1234"));
 #endif
 #if TEST_STD_VER >= 11
-    assert( test<std::u16string_view> ( u"1234"));
-    assert( test<std::u32string_view> ( U"1234"));
+  assert(test<std::u16string_view>(u"1234"));
+  assert(test<std::u32string_view>(U"1234"));
 #endif
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert( test<std::wstring_view>   ( L"1234"));
+  assert(test<std::wstring_view>(L"1234"));
 #endif
 
 #if TEST_STD_VER > 11
-    static_assert( test<std::string_view>    ({  "abc", 3}), "");
+  static_assert(test<std::string_view>({"abc", 3}), "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert( test<std::u8string_view>  ({u8"abc", 3}), "");
-#   endif
-    static_assert( test<std::u16string_view> ({ u"abc", 3}), "");
-    static_assert( test<std::u32string_view> ({ U"abc", 3}), "");
-#   ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert( test<std::wstring_view>   ({ L"abc", 3}), "");
-#   endif
+  static_assert(test<std::u8string_view>({u8"abc", 3}), "");
+#  endif
+  static_assert(test<std::u16string_view>({u"abc", 3}), "");
+  static_assert(test<std::u32string_view>({U"abc", 3}), "");
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test<std::wstring_view>({L"abc", 3}), "");
+#  endif
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/default.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/default.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/default.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/default.pass.cpp
@@ -17,34 +17,34 @@
 
 #include "test_macros.h"
 
-template<typename T>
-void test () {
+template <typename T>
+void test() {
 #if TEST_STD_VER > 11
-    {
+  {
     ASSERT_NOEXCEPT(T());
 
     constexpr T sv1;
-    static_assert ( sv1.size() == 0, "" );
-    static_assert ( sv1.empty(), "");
-    }
+    static_assert(sv1.size() == 0, "");
+    static_assert(sv1.empty(), "");
+  }
 #endif
 
-    {
+  {
     T sv1;
-    assert ( sv1.size() == 0 );
-    assert ( sv1.empty());
-    }
+    assert(sv1.size() == 0);
+    assert(sv1.empty());
+  }
 }
 
 int main(int, char**) {
-    test<std::string_view> ();
-    test<std::u16string_view> ();
+  test<std::string_view>();
+  test<std::u16string_view>();
 #ifndef TEST_HAS_NO_CHAR8_T
-    test<std::u8string_view> ();
+  test<std::u8string_view>();
 #endif
-    test<std::u32string_view> ();
+  test<std::u32string_view>();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::wstring_view> ();
+  test<std::wstring_view>();
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_iterator_sentinel.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_iterator_sentinel.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_iterator_sentinel.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_iterator_sentinel.pass.cpp
@@ -19,14 +19,14 @@
 #include "make_string.h"
 #include "test_iterators.h"
 
-template<class It, class Sentinel, class CharT>
+template <class It, class Sentinel, class CharT>
 constexpr void test_construction(std::basic_string_view<CharT> val) {
   auto sv = std::basic_string_view<CharT>(It(val.data()), Sentinel(It(val.data() + val.size())));
   assert(sv.data() == val.data());
   assert(sv.size() == val.size());
 }
 
-template<class CharT>
+template <class CharT>
 constexpr void test_with_char() {
   const auto val = MAKE_STRING_VIEW(CharT, "test");
   test_construction<CharT*, CharT*>(val);
@@ -50,7 +50,7 @@
 }
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
-template<class CharT>
+template <class CharT>
 struct ThrowingSentinel {
   friend bool operator==(const CharT*, ThrowingSentinel) noexcept { return true; }
   friend std::iter_difference_t<const CharT*> operator-(const CharT*, ThrowingSentinel) noexcept { return {}; }
@@ -70,21 +70,23 @@
 
 void test_throwing() {
   test_throwing<char>();
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
   test_throwing<wchar_t>();
-#endif
+#  endif
   test_throwing<char8_t>();
   test_throwing<char16_t>();
   test_throwing<char32_t>();
 }
 #endif
 
-static_assert( std::is_constructible_v<std::string_view, const char*, char*>);
-static_assert( std::is_constructible_v<std::string_view, char*, const char*>);
+static_assert(std::is_constructible_v<std::string_view, const char*, char*>);
+static_assert(std::is_constructible_v<std::string_view, char*, const char*>);
 static_assert(!std::is_constructible_v<std::string_view, char*, void*>);               // not a sentinel
 static_assert(!std::is_constructible_v<std::string_view, signed char*, signed char*>); // wrong char type
-static_assert(!std::is_constructible_v<std::string_view, random_access_iterator<char*>, random_access_iterator<char*>>); // not contiguous
-static_assert( std::is_constructible_v<std::string_view, contiguous_iterator<char*>, contiguous_iterator<char*>>);
+static_assert(!std::is_constructible_v<std::string_view,
+                                       random_access_iterator<char*>,
+                                       random_access_iterator<char*>>); // not contiguous
+static_assert(std::is_constructible_v<std::string_view, contiguous_iterator<char*>, contiguous_iterator<char*>>);
 
 int main(int, char**) {
   test();
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_literal.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_literal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_literal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_literal.pass.cpp
@@ -20,52 +20,53 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-template<typename CharT>
-size_t StrLen ( const CharT *s ) {
-    size_t retVal = 0;
-    while ( *s != 0 ) { ++retVal; ++s; }
-    return retVal;
-    }
-
-template<typename CharT>
-void test ( const CharT *s ) {
-    typedef std::basic_string_view<CharT> SV;
-//  I'd love to do this, but it would require traits::length() to be noexcept
-//  LIBCPP_ASSERT_NOEXCEPT(SV(s));
+template <typename CharT>
+size_t StrLen(const CharT* s) {
+  size_t retVal = 0;
+  while (*s != 0) {
+    ++retVal;
+    ++s;
+  }
+  return retVal;
+}
 
-    SV sv1 ( s );
-    assert ( sv1.size() == StrLen( s ));
-    assert ( sv1.data() == s );
-    }
+template <typename CharT>
+void test(const CharT* s) {
+  typedef std::basic_string_view<CharT> SV;
+  //  I'd love to do this, but it would require traits::length() to be noexcept
+  //  LIBCPP_ASSERT_NOEXCEPT(SV(s));
 
+  SV sv1(s);
+  assert(sv1.size() == StrLen(s));
+  assert(sv1.data() == s);
+}
 
 int main(int, char**) {
-
-    test ( "QBCDE" );
-    test ( "A" );
-    test ( "" );
+  test("QBCDE");
+  test("A");
+  test("");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"QBCDE" );
-    test ( L"A" );
-    test ( L"" );
+  test(L"QBCDE");
+  test(L"A");
+  test(L"");
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"QBCDE" );
-    test ( u"A" );
-    test ( u"" );
+  test(u"QBCDE");
+  test(u"A");
+  test(u"");
 
-    test ( U"QBCDE" );
-    test ( U"A" );
-    test ( U"" );
+  test(U"QBCDE");
+  test(U"A");
+  test(U"");
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr std::basic_string_view<char, constexpr_char_traits<char>> sv1 ( "ABCDE" );
-    static_assert ( sv1.size() == 5, "");
-    }
+  {
+    constexpr std::basic_string_view<char, constexpr_char_traits<char>> sv1("ABCDE");
+    static_assert(sv1.size() == 5, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_ptr_len.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_ptr_len.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_ptr_len.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_ptr_len.pass.cpp
@@ -19,70 +19,69 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
-void test ( const CharT *s, size_t sz ) {
-    {
+template <typename CharT>
+void test(const CharT* s, size_t sz) {
+  {
     typedef std::basic_string_view<CharT> SV;
     LIBCPP_ASSERT_NOEXCEPT(SV(s, sz));
 
-    SV sv1 ( s, sz );
-    assert ( sv1.size() == sz );
-    assert ( sv1.data() == s );
-    }
+    SV sv1(s, sz);
+    assert(sv1.size() == sz);
+    assert(sv1.data() == s);
+  }
 }
 
 int main(int, char**) {
-
-    test ( "QBCDE", 5 );
-    test ( "QBCDE", 2 );
-    test ( "", 0 );
+  test("QBCDE", 5);
+  test("QBCDE", 2);
+  test("", 0);
 #if TEST_STD_VER > 11
-    {
-    constexpr const char *s = "QBCDE";
-    constexpr std::basic_string_view<char> sv1 ( s, 2 );
-    static_assert ( sv1.size() == 2, "" );
-    static_assert ( sv1.data() == s, "" );
-    }
+  {
+    constexpr const char* s = "QBCDE";
+    constexpr std::basic_string_view<char> sv1(s, 2);
+    static_assert(sv1.size() == 2, "");
+    static_assert(sv1.data() == s, "");
+  }
 #endif
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"QBCDE", 5 );
-    test ( L"QBCDE", 2 );
-    test ( L"", 0 );
-#if TEST_STD_VER > 11
-    {
-    constexpr const wchar_t *s = L"QBCDE";
-    constexpr std::basic_string_view<wchar_t> sv1 ( s, 2 );
-    static_assert ( sv1.size() == 2, "" );
-    static_assert ( sv1.data() == s, "" );
-    }
-#endif
+  test(L"QBCDE", 5);
+  test(L"QBCDE", 2);
+  test(L"", 0);
+#  if TEST_STD_VER > 11
+  {
+    constexpr const wchar_t* s = L"QBCDE";
+    constexpr std::basic_string_view<wchar_t> sv1(s, 2);
+    static_assert(sv1.size() == 2, "");
+    static_assert(sv1.data() == s, "");
+  }
+#  endif
 #endif // TEST_HAS_NO_WIDE_CHARACTERS
 
 #if TEST_STD_VER >= 11
-    test ( u"QBCDE", 5 );
-    test ( u"QBCDE", 2 );
-    test ( u"", 0 );
-#if TEST_STD_VER > 11
-    {
-    constexpr const char16_t *s = u"QBCDE";
-    constexpr std::basic_string_view<char16_t> sv1 ( s, 2 );
-    static_assert ( sv1.size() == 2, "" );
-    static_assert ( sv1.data() == s, "" );
-    }
-#endif
+  test(u"QBCDE", 5);
+  test(u"QBCDE", 2);
+  test(u"", 0);
+#  if TEST_STD_VER > 11
+  {
+    constexpr const char16_t* s = u"QBCDE";
+    constexpr std::basic_string_view<char16_t> sv1(s, 2);
+    static_assert(sv1.size() == 2, "");
+    static_assert(sv1.data() == s, "");
+  }
+#  endif
 
-    test ( U"QBCDE", 5 );
-    test ( U"QBCDE", 2 );
-    test ( U"", 0 );
-#if TEST_STD_VER > 11
-    {
-    constexpr const char32_t *s = U"QBCDE";
-    constexpr std::basic_string_view<char32_t> sv1 ( s, 2 );
-    static_assert ( sv1.size() == 2, "" );
-    static_assert ( sv1.data() == s, "" );
-    }
-#endif
+  test(U"QBCDE", 5);
+  test(U"QBCDE", 2);
+  test(U"", 0);
+#  if TEST_STD_VER > 11
+  {
+    constexpr const char32_t* s = U"QBCDE";
+    constexpr std::basic_string_view<char32_t> sv1(s, 2);
+    static_assert(sv1.size() == 2, "");
+    static_assert(sv1.data() == s, "");
+  }
+#  endif
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_range.pass.cpp
@@ -25,11 +25,11 @@
 #include "test_iterators.h"
 #include "test_range.h"
 
-template<class CharT>
+template <class CharT>
 constexpr void test() {
   auto data = MAKE_STRING_VIEW(CharT, "test");
   std::array<CharT, 4> arr;
-  for(int i = 0; i < 4; ++i) {
+  for (int i = 0; i < 4; ++i) {
     arr[i] = data[i];
   }
   auto sv = std::basic_string_view<CharT>(arr);
@@ -120,7 +120,10 @@
 static_assert(std::ranges::sized_range<SizedButNotContiguousRange>);
 static_assert(!std::is_constructible_v<std::string_view, SizedButNotContiguousRange>);
 
-using ContiguousButNotSizedRange = std::ranges::subrange<contiguous_iterator<char*>, sentinel_wrapper<contiguous_iterator<char*>>, std::ranges::subrange_kind::unsized>;
+using ContiguousButNotSizedRange =
+    std::ranges::subrange<contiguous_iterator<char*>,
+                          sentinel_wrapper<contiguous_iterator<char*>>,
+                          std::ranges::subrange_kind::unsized>;
 static_assert(std::ranges::contiguous_range<ContiguousButNotSizedRange>);
 static_assert(!std::ranges::sized_range<ContiguousButNotSizedRange>);
 static_assert(!std::is_constructible_v<std::string_view, ContiguousButNotSizedRange>);
@@ -133,9 +136,9 @@
   operator std::string_view() const { return {}; }
 };
 
-static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator>); // lvalue
+static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator>);        // lvalue
 static_assert(std::is_constructible_v<std::string_view, const WithStringViewConversionOperator&>); // const lvalue
-static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator&&>); // rvalue
+static_assert(std::is_constructible_v<std::string_view, WithStringViewConversionOperator&&>);      // rvalue
 
 template <class CharTraits>
 struct WithTraitsType {
@@ -150,9 +153,9 @@
 static_assert(std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<wchar_t>>>);
 #endif
 static_assert(std::is_constructible_v<std::basic_string_view<char, CCT>, WithTraitsType<CCT>>);
-static_assert(!std::is_constructible_v<std::string_view, WithTraitsType<CCT>>);  // wrong traits type
+static_assert(!std::is_constructible_v<std::string_view, WithTraitsType<CCT>>); // wrong traits type
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-static_assert(!std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<char>>>);  // wrong traits type
+static_assert(!std::is_constructible_v<std::wstring_view, WithTraitsType<std::char_traits<char>>>); // wrong traits type
 #endif
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
@@ -160,11 +163,14 @@
   struct ThrowingData {
     char* begin() const { return nullptr; }
     char* end() const { return nullptr; }
-    char* data() const { throw 42; return nullptr; }
+    char* data() const {
+      throw 42;
+      return nullptr;
+    }
   };
   try {
     ThrowingData x;
-    (void) std::string_view(x);
+    (void)std::string_view(x);
     assert(false);
   } catch (int i) {
     assert(i == 42);
@@ -173,11 +179,14 @@
   struct ThrowingSize {
     char* begin() const { return nullptr; }
     char* end() const { return nullptr; }
-    size_t size() const { throw 42; return 0; }
+    size_t size() const {
+      throw 42;
+      return 0;
+    }
   };
   try {
     ThrowingSize x;
-    (void) std::string_view(x);
+    (void)std::string_view(x);
     assert(false);
   } catch (int i) {
     assert(i == 42);
@@ -196,4 +205,3 @@
 
   return 0;
 }
-
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_string.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_string.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_string.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_string.pass.cpp
@@ -21,48 +21,46 @@
 
 struct dummy_char_traits : public std::char_traits<char> {};
 
-template<typename CharT, typename Traits>
-void test ( const std::basic_string<CharT, Traits> &str ) {
-    typedef std::basic_string_view<CharT, Traits> SV;
-    ASSERT_NOEXCEPT(SV(str));
-
-    SV sv1 ( str );
-    assert ( sv1.size() == str.size());
-    assert ( sv1.data() == str.data());
+template <typename CharT, typename Traits>
+void test(const std::basic_string<CharT, Traits>& str) {
+  typedef std::basic_string_view<CharT, Traits> SV;
+  ASSERT_NOEXCEPT(SV(str));
+
+  SV sv1(str);
+  assert(sv1.size() == str.size());
+  assert(sv1.data() == str.data());
 }
 
 int main(int, char**) {
-
-    test ( std::string("QBCDE") );
-    test ( std::string("") );
-    test ( std::string() );
+  test(std::string("QBCDE"));
+  test(std::string(""));
+  test(std::string());
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( std::wstring(L"QBCDE") );
-    test ( std::wstring(L"") );
-    test ( std::wstring() );
+  test(std::wstring(L"QBCDE"));
+  test(std::wstring(L""));
+  test(std::wstring());
 #endif
 
 #ifndef TEST_HAS_NO_CHAR8_T
-    test ( std::u8string{u8"QBCDE"} );
-    test ( std::u8string{u8""} );
-    test ( std::u8string{} );
+  test(std::u8string{u8"QBCDE"});
+  test(std::u8string{u8""});
+  test(std::u8string{});
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( std::u16string{u"QBCDE"} );
-    test ( std::u16string{u""} );
-    test ( std::u16string{} );
+  test(std::u16string{u"QBCDE"});
+  test(std::u16string{u""});
+  test(std::u16string{});
 
-    test ( std::u32string{U"QBCDE"} );
-    test ( std::u32string{U""} );
-    test ( std::u32string{} );
+  test(std::u32string{U"QBCDE"});
+  test(std::u32string{U""});
+  test(std::u32string{});
 #endif
 
-    test ( std::basic_string<char, dummy_char_traits>("QBCDE") );
-    test ( std::basic_string<char, dummy_char_traits>("") );
-    test ( std::basic_string<char, dummy_char_traits>() );
-
+  test(std::basic_string<char, dummy_char_traits>("QBCDE"));
+  test(std::basic_string<char, dummy_char_traits>(""));
+  test(std::basic_string<char, dummy_char_traits>());
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_string1.compile.fail.cpp
@@ -20,15 +20,15 @@
 struct dummy_char_traits : public std::char_traits<char> {};
 
 int main(int, char**) {
-    using string_view = std::basic_string_view<char>;
-    using string      = std::              basic_string     <char, dummy_char_traits>;
+  using string_view = std::basic_string_view<char>;
+  using string      = std::basic_string<char, dummy_char_traits>;
 
-    {
+  {
     string s{"QBCDE"};
-    string_view sv1 ( s );
-    assert ( sv1.size() == s.size());
-    assert ( sv1.data() == s.data());
-    }
+    string_view sv1(s);
+    assert(sv1.size() == s.size());
+    assert(sv1.data() == s.data());
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp b/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/from_string2.compile.fail.cpp
@@ -20,15 +20,15 @@
 struct dummy_char_traits : public std::char_traits<char> {};
 
 int main(int, char**) {
-    using string_view = std::basic_string_view<char, dummy_char_traits>;
-    using string      = std::              basic_string     <char>;
+  using string_view = std::basic_string_view<char, dummy_char_traits>;
+  using string      = std::basic_string<char>;
 
-    {
+  {
     string s{"QBCDE"};
-    string_view sv1 ( s );
-    assert ( sv1.size() == s.size());
-    assert ( sv1.data() == s.data());
-    }
+    string_view sv1(s);
+    assert(sv1.size() == s.size());
+    assert(sv1.data() == s.data());
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/implicit_deduction_guides.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/implicit_deduction_guides.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.cons/implicit_deduction_guides.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/implicit_deduction_guides.pass.cpp
@@ -25,12 +25,11 @@
 // (2)  basic_string_view(const basic_string_view&)
 // (3)  basic_string_view(const CharT*, size_type)
 // (4)  basic_string_view(const CharT*)
-int main(int, char**)
-{
-  { // Testing (1)
-    // Nothing to do. Cannot deduce without any arguments.
-  }
-  { // Testing (2)
+int main(int, char**) {
+  {
+      // Testing (1)
+      // Nothing to do. Cannot deduce without any arguments.
+  } { // Testing (2)
     const std::string_view sin("abc");
     std::basic_string_view s(sin);
     ASSERT_SAME_TYPE(decltype(s), std::string_view);
diff --git a/libcxx/test/std/strings/string.view/string.view.deduct/iterator_sentinel.pass.cpp b/libcxx/test/std/strings/string.view/string.view.deduct/iterator_sentinel.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.deduct/iterator_sentinel.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.deduct/iterator_sentinel.pass.cpp
@@ -19,7 +19,7 @@
 #include "test_macros.h"
 #include "test_iterators.h"
 
-template<class It, class Sentinel, class CharT>
+template <class It, class Sentinel, class CharT>
 constexpr void test_ctad(std::basic_string_view<CharT> val) {
   auto sv = std::basic_string_view(It(val.data()), Sentinel(It(val.data() + val.size())));
   ASSERT_SAME_TYPE(decltype(sv), std::basic_string_view<CharT>);
@@ -27,7 +27,7 @@
   assert(sv.size() == val.size());
 }
 
-template<class CharT>
+template <class CharT>
 constexpr void test_with_char() {
   const auto val = MAKE_STRING_VIEW(CharT, "test");
   test_ctad<CharT*, CharT*>(val);
diff --git a/libcxx/test/std/strings/string.view/string.view.deduct/range.pass.cpp b/libcxx/test/std/strings/string.view/string.view.deduct/range.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.deduct/range.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.deduct/range.pass.cpp
@@ -19,10 +19,10 @@
 #include "test_iterators.h"
 #include "test_macros.h"
 
-template<class CharT>
+template <class CharT>
 void test() {
   auto val = MAKE_STRING(CharT, "test");
-  auto sv = std::basic_string_view(val);
+  auto sv  = std::basic_string_view(val);
   ASSERT_SAME_TYPE(decltype(sv), std::basic_string_view<CharT>);
   assert(sv.size() == val.size());
   assert(sv.data() == val.data());
@@ -39,7 +39,7 @@
   test<char>();
 
   struct Widget {
-    const char16_t *data_ = u"foo";
+    const char16_t* data_ = u"foo";
     contiguous_iterator<const char16_t*> begin() const { return contiguous_iterator<const char16_t*>(data_); }
     contiguous_iterator<const char16_t*> end() const { return contiguous_iterator<const char16_t*>(data_ + 3); }
   };
@@ -52,4 +52,3 @@
 
   return 0;
 }
-
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_char_size.pass.cpp
@@ -19,28 +19,22 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(c, pos));
-    assert(s.find(c, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x + 1 <= s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(c, pos));
+  assert(s.find(c, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x + 1 <= s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    assert(s.find(c) == x);
-    if (x != S::npos)
-        assert(0 <= x && x + 1 <= s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  assert(s.find(c) == x);
+  if (x != S::npos)
+    assert(0 <= x && x + 1 <= s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'c', 0, S::npos);
     test(S(""), 'c', 1, S::npos);
@@ -67,22 +61,22 @@
     test(S("abcde"), 'c', 2);
     test(S("abcdeabcde"), 'c', 2);
     test(S("abcdeabcdeabcdeabcde"), 'c', 2);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find( 'c', 0 ) == SV::npos, "" );
-    static_assert (sv1.find( 'c', 1 ) == SV::npos, "" );
-    static_assert (sv2.find( 'c', 0 ) == 2, "" );
-    static_assert (sv2.find( 'c', 1 ) == 2, "" );
-    static_assert (sv2.find( 'c', 2 ) == 2, "" );
-    static_assert (sv2.find( 'c', 3 ) == SV::npos, "" );
-    static_assert (sv2.find( 'c', 4 ) == SV::npos, "" );
-    }
+    static_assert(sv1.find('c', 0) == SV::npos, "");
+    static_assert(sv1.find('c', 1) == SV::npos, "");
+    static_assert(sv2.find('c', 0) == 2, "");
+    static_assert(sv2.find('c', 1) == 2, "");
+    static_assert(sv2.find('c', 2) == 2, "");
+    static_assert(sv2.find('c', 3) == SV::npos, "");
+    static_assert(sv2.find('c', 4) == SV::npos, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_char_size.pass.cpp
@@ -19,29 +19,23 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(c, pos));
-    assert(s.find_first_not_of(c, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(c, pos));
+  assert(s.find_first_not_of(c, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(c));
-    assert(s.find_first_not_of(c) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(c));
+  assert(s.find_first_not_of(c) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'q', 0, S::npos);
     test(S(""), 'q', 1, S::npos);
@@ -70,20 +64,20 @@
     test(S("csope"), 'q', 0);
     test(S("gfsmthlkon"), 'q', 0);
     test(S("laenfsbridchgotmkqpj"), 'q', 0);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_not_of( 'q', 0 ) == SV::npos, "" );
-    static_assert (sv1.find_first_not_of( 'q', 1 ) == SV::npos, "" );
-    static_assert (sv2.find_first_not_of( 'q', 0 ) == 0, "" );
-    static_assert (sv2.find_first_not_of( 'q', 1 ) == 1, "" );
-    static_assert (sv2.find_first_not_of( 'q', 5 ) == SV::npos, "" );
-    }
+    static_assert(sv1.find_first_not_of('q', 0) == SV::npos, "");
+    static_assert(sv1.find_first_not_of('q', 1) == SV::npos, "");
+    static_assert(sv2.find_first_not_of('q', 0) == 0, "");
+    static_assert(sv2.find_first_not_of('q', 1) == 1, "");
+    static_assert(sv2.find_first_not_of('q', 5) == SV::npos, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size.pass.cpp
@@ -19,151 +19,143 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos));
-    assert(s.find_first_not_of(str, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos));
+  assert(s.find_first_not_of(str, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    assert(s.find_first_not_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  assert(s.find_first_not_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, S::npos);
-    test(S(""), "laenf", 0, S::npos);
-    test(S(""), "pqlnkmbdjo", 0, S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
-    test(S(""), "", 1, S::npos);
-    test(S(""), "bjaht", 1, S::npos);
-    test(S(""), "hjlcmgpket", 1, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
-    test(S("fodgq"), "", 0, 0);
-    test(S("qanej"), "dfkap", 0, 0);
-    test(S("clbao"), "ihqrfebgad", 0, 0);
-    test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, S::npos);
-    test(S("srdfq"), "", 1, 1);
-    test(S("oemth"), "ikcrq", 1, 1);
-    test(S("cdaih"), "dmajblfhsg", 1, 3);
-    test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, S::npos);
-    test(S("cshmd"), "", 2, 2);
-    test(S("lhcdo"), "oebqi", 2, 2);
-    test(S("qnsoh"), "kojhpmbsfe", 2, S::npos);
-    test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, S::npos);
-    test(S("fmtsp"), "", 4, 4);
-    test(S("khbpm"), "aobjd", 4, 4);
-    test(S("pbsji"), "pcbahntsje", 4, 4);
-    test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, S::npos);
-    test(S("eqmpa"), "", 5, S::npos);
-    test(S("omigs"), "kocgb", 5, S::npos);
-    test(S("onmje"), "fbslrjiqkm", 5, S::npos);
-    test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
-    test(S("schfa"), "", 6, S::npos);
-    test(S("igdsc"), "qngpd", 6, S::npos);
-    test(S("brqgo"), "rodhqklgmb", 6, S::npos);
-    test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
-    test(S("hcjitbfapl"), "", 0, 0);
-    test(S("daiprenocl"), "ashjd", 0, 2);
-    test(S("litpcfdghe"), "mgojkldsqh", 0, 1);
-    test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, S::npos);
-    test(S("qpghtfbaji"), "", 1, 1);
-    test(S("gfshlcmdjr"), "nadkh", 1, 1);
-    test(S("nkodajteqp"), "ofdrqmkebl", 1, 4);
-    test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, S::npos);
-    test(S("crnklpmegd"), "", 5, 5);
-    test(S("jsbtafedoc"), "prqgn", 5, 5);
-    test(S("qnmodrtkeb"), "pejafmnokr", 5, 6);
-    test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, S::npos);
-    test(S("lmofqdhpki"), "", 9, 9);
-    test(S("hnefkqimca"), "rtjpa", 9, S::npos);
-    test(S("drtasbgmfp"), "ktsrmnqagd", 9, 9);
-    test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, S::npos);
-    test(S("elgofjmbrq"), "", 10, S::npos);
-    test(S("mjqdgalkpc"), "dplqa", 10, S::npos);
-    test(S("kthqnfcerm"), "dkacjoptns", 10, S::npos);
-    test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
-    test(S("eqsgalomhb"), "", 11, S::npos);
-    test(S("akiteljmoh"), "lofbc", 11, S::npos);
-    test(S("hlbdfreqjo"), "astoegbfpn", 11, S::npos);
-    test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), "", 0, 0);
-    test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 0);
-    test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 1);
-    test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, S::npos);
-    test(S("jlnkraeodhcspfgbqitm"), "", 1, 1);
-    test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 1);
-    test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 3);
-    test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, S::npos);
-    test(S("hdpkobnsalmcfijregtq"), "", 10, 10);
-    test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 11);
-    test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 13);
-    test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, S::npos);
-    test(S("niptglfbosehkamrdqcj"), "", 19, 19);
-    test(S("copqdhstbingamjfkler"), "djkqc", 19, 19);
-    test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, S::npos);
-    test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, S::npos);
-    test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, S::npos);
-    test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, S::npos);
-    test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, S::npos);
-    test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, S::npos);
-    test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
+void test0() {
+  test(S(""), "", 0, S::npos);
+  test(S(""), "laenf", 0, S::npos);
+  test(S(""), "pqlnkmbdjo", 0, S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
+  test(S(""), "", 1, S::npos);
+  test(S(""), "bjaht", 1, S::npos);
+  test(S(""), "hjlcmgpket", 1, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
+  test(S("fodgq"), "", 0, 0);
+  test(S("qanej"), "dfkap", 0, 0);
+  test(S("clbao"), "ihqrfebgad", 0, 0);
+  test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, S::npos);
+  test(S("srdfq"), "", 1, 1);
+  test(S("oemth"), "ikcrq", 1, 1);
+  test(S("cdaih"), "dmajblfhsg", 1, 3);
+  test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, S::npos);
+  test(S("cshmd"), "", 2, 2);
+  test(S("lhcdo"), "oebqi", 2, 2);
+  test(S("qnsoh"), "kojhpmbsfe", 2, S::npos);
+  test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, S::npos);
+  test(S("fmtsp"), "", 4, 4);
+  test(S("khbpm"), "aobjd", 4, 4);
+  test(S("pbsji"), "pcbahntsje", 4, 4);
+  test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, S::npos);
+  test(S("eqmpa"), "", 5, S::npos);
+  test(S("omigs"), "kocgb", 5, S::npos);
+  test(S("onmje"), "fbslrjiqkm", 5, S::npos);
+  test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
+  test(S("schfa"), "", 6, S::npos);
+  test(S("igdsc"), "qngpd", 6, S::npos);
+  test(S("brqgo"), "rodhqklgmb", 6, S::npos);
+  test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
+  test(S("hcjitbfapl"), "", 0, 0);
+  test(S("daiprenocl"), "ashjd", 0, 2);
+  test(S("litpcfdghe"), "mgojkldsqh", 0, 1);
+  test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, S::npos);
+  test(S("qpghtfbaji"), "", 1, 1);
+  test(S("gfshlcmdjr"), "nadkh", 1, 1);
+  test(S("nkodajteqp"), "ofdrqmkebl", 1, 4);
+  test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, S::npos);
+  test(S("crnklpmegd"), "", 5, 5);
+  test(S("jsbtafedoc"), "prqgn", 5, 5);
+  test(S("qnmodrtkeb"), "pejafmnokr", 5, 6);
+  test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, S::npos);
+  test(S("lmofqdhpki"), "", 9, 9);
+  test(S("hnefkqimca"), "rtjpa", 9, S::npos);
+  test(S("drtasbgmfp"), "ktsrmnqagd", 9, 9);
+  test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, S::npos);
+  test(S("elgofjmbrq"), "", 10, S::npos);
+  test(S("mjqdgalkpc"), "dplqa", 10, S::npos);
+  test(S("kthqnfcerm"), "dkacjoptns", 10, S::npos);
+  test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
+  test(S("eqsgalomhb"), "", 11, S::npos);
+  test(S("akiteljmoh"), "lofbc", 11, S::npos);
+  test(S("hlbdfreqjo"), "astoegbfpn", 11, S::npos);
+  test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), "", 0, 0);
+  test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 0);
+  test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 1);
+  test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, S::npos);
+  test(S("jlnkraeodhcspfgbqitm"), "", 1, 1);
+  test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 1);
+  test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 3);
+  test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, S::npos);
+  test(S("hdpkobnsalmcfijregtq"), "", 10, 10);
+  test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 11);
+  test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 13);
+  test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, S::npos);
+  test(S("niptglfbosehkamrdqcj"), "", 19, 19);
+  test(S("copqdhstbingamjfkler"), "djkqc", 19, 19);
+  test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, S::npos);
+  test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, S::npos);
+  test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, S::npos);
+  test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, S::npos);
+  test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, S::npos);
+  test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, S::npos);
+  test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", S::npos);
-    test(S(""), "laenf", S::npos);
-    test(S(""), "pqlnkmbdjo", S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", S::npos);
-    test(S("nhmko"), "", 0);
-    test(S("lahfb"), "irkhs", 0);
-    test(S("gmfhd"), "kantesmpgj", 2);
-    test(S("odaft"), "oknlrstdpiqmjbaghcfe", S::npos);
-    test(S("eolhfgpjqk"), "", 0);
-    test(S("nbatdlmekr"), "bnrpe", 2);
-    test(S("jdmciepkaq"), "jtdaefblso", 2);
-    test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", S::npos);
-    test(S("gprdcokbnjhlsfmtieqa"), "", 0);
-    test(S("qjghlnftcaismkropdeb"), "bjaht", 0);
-    test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 1);
-    test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", S::npos);
+void test1() {
+  test(S(""), "", S::npos);
+  test(S(""), "laenf", S::npos);
+  test(S(""), "pqlnkmbdjo", S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", S::npos);
+  test(S("nhmko"), "", 0);
+  test(S("lahfb"), "irkhs", 0);
+  test(S("gmfhd"), "kantesmpgj", 2);
+  test(S("odaft"), "oknlrstdpiqmjbaghcfe", S::npos);
+  test(S("eolhfgpjqk"), "", 0);
+  test(S("nbatdlmekr"), "bnrpe", 2);
+  test(S("jdmciepkaq"), "jtdaefblso", 2);
+  test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", S::npos);
+  test(S("gprdcokbnjhlsfmtieqa"), "", 0);
+  test(S("qjghlnftcaismkropdeb"), "bjaht", 0);
+  test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 1);
+  test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_not_of( "",      0) == SV::npos, "" );
-    static_assert (sv1.find_first_not_of( "irkhs", 0) == SV::npos, "" );
-    static_assert (sv2.find_first_not_of( "",      0) == 0, "" );
-    static_assert (sv2.find_first_not_of( "gfsrt", 0) == 0, "" );
-    static_assert (sv2.find_first_not_of( "lecar", 0) == 1, "" );
-    }
+    static_assert(sv1.find_first_not_of("", 0) == SV::npos, "");
+    static_assert(sv1.find_first_not_of("irkhs", 0) == SV::npos, "");
+    static_assert(sv2.find_first_not_of("", 0) == 0, "");
+    static_assert(sv2.find_first_not_of("gfsrt", 0) == 0, "");
+    static_assert(sv2.find_first_not_of("lecar", 0) == 1, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_pointer_size_size.pass.cpp
@@ -19,378 +19,374 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos, n));
-    assert(s.find_first_not_of(str, pos, n) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos, n));
+  assert(s.find_first_not_of(str, pos, n) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, S::npos);
-    test(S(""), "irkhs", 0, 0, S::npos);
-    test(S(""), "kante", 0, 1, S::npos);
-    test(S(""), "oknlr", 0, 2, S::npos);
-    test(S(""), "pcdro", 0, 4, S::npos);
-    test(S(""), "bnrpe", 0, 5, S::npos);
-    test(S(""), "jtdaefblso", 0, 0, S::npos);
-    test(S(""), "oselktgbca", 0, 1, S::npos);
-    test(S(""), "eqgaplhckj", 0, 5, S::npos);
-    test(S(""), "bjahtcmnlp", 0, 9, S::npos);
-    test(S(""), "hjlcmgpket", 0, 10, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
-    test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
-    test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
-    test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
-    test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
-    test(S(""), "", 1, 0, S::npos);
-    test(S(""), "lbtqd", 1, 0, S::npos);
-    test(S(""), "tboim", 1, 1, S::npos);
-    test(S(""), "slcer", 1, 2, S::npos);
-    test(S(""), "cbjfs", 1, 4, S::npos);
-    test(S(""), "aqibs", 1, 5, S::npos);
-    test(S(""), "gtfblmqinc", 1, 0, S::npos);
-    test(S(""), "mkqpbtdalg", 1, 1, S::npos);
-    test(S(""), "kphatlimcd", 1, 5, S::npos);
-    test(S(""), "pblasqogic", 1, 9, S::npos);
-    test(S(""), "arosdhcfme", 1, 10, S::npos);
-    test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
-    test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
-    test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
-    test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
-    test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
-    test(S("eaint"), "", 0, 0, 0);
-    test(S("binja"), "gfsrt", 0, 0, 0);
-    test(S("latkm"), "pfsoc", 0, 1, 0);
-    test(S("lecfr"), "tpflm", 0, 2, 0);
-    test(S("eqkst"), "sgkec", 0, 4, 1);
-    test(S("cdafr"), "romds", 0, 5, 0);
-    test(S("prbhe"), "qhjistlgmr", 0, 0, 0);
-    test(S("lbisk"), "pedfirsglo", 0, 1, 0);
-    test(S("hrlpd"), "aqcoslgrmk", 0, 5, 0);
-    test(S("ehmja"), "dabckmepqj", 0, 9, 1);
-    test(S("mhqgd"), "pqscrjthli", 0, 10, 0);
-    test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, 0);
-    test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, 0);
-    test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, 0);
-    test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, S::npos);
-    test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, S::npos);
-    test(S("clrgb"), "", 1, 0, 1);
-    test(S("tjmek"), "osmia", 1, 0, 1);
-    test(S("bgstp"), "ckonl", 1, 1, 1);
-    test(S("hstrk"), "ilcaj", 1, 2, 1);
-    test(S("kmspj"), "lasiq", 1, 4, 1);
-    test(S("tjboh"), "kfqmr", 1, 5, 1);
-    test(S("ilbcj"), "klnitfaobg", 1, 0, 1);
-    test(S("jkngf"), "gjhmdlqikp", 1, 1, 1);
-    test(S("gfcql"), "skbgtahqej", 1, 5, 1);
-    test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 1);
-    test(S("bthpg"), "bjgfmnlkio", 1, 10, 1);
-    test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, 1);
-    test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, 1);
-    test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 3);
-    test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, S::npos);
-    test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, S::npos);
-    test(S("ndrhl"), "", 2, 0, 2);
-    test(S("mrecp"), "otkgb", 2, 0, 2);
-    test(S("qlasf"), "cqsjl", 2, 1, 2);
-    test(S("smaqd"), "dpifl", 2, 2, 2);
-    test(S("hjeni"), "oapht", 2, 4, 2);
-    test(S("ocmfj"), "cifts", 2, 5, 2);
-    test(S("hmftq"), "nmsckbgalo", 2, 0, 2);
-    test(S("fklad"), "tpksqhamle", 2, 1, 2);
-    test(S("dirnm"), "tpdrchmkji", 2, 5, 3);
-    test(S("hrgdc"), "ijagfkblst", 2, 9, 3);
-    test(S("ifakg"), "kpocsignjb", 2, 10, 2);
-    test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, 2);
-    test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, 2);
-    test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 2);
-    test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, S::npos);
-    test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, S::npos);
-    test(S("cjgao"), "", 4, 0, 4);
-    test(S("kjplq"), "mabns", 4, 0, 4);
-    test(S("herni"), "bdnrp", 4, 1, 4);
-    test(S("tadrb"), "scidp", 4, 2, 4);
-    test(S("pkfeo"), "agbjl", 4, 4, 4);
-    test(S("hoser"), "jfmpr", 4, 5, S::npos);
-    test(S("kgrsp"), "rbpefghsmj", 4, 0, 4);
-    test(S("pgejb"), "apsfntdoqc", 4, 1, 4);
-    test(S("thlnq"), "ndkjeisgcl", 4, 5, 4);
-    test(S("nbmit"), "rnfpqatdeo", 4, 9, S::npos);
-    test(S("jgmib"), "bntjlqrfik", 4, 10, S::npos);
-    test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, 4);
-    test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, 4);
-    test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, S::npos);
-    test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, S::npos);
-    test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, S::npos);
-    test(S("klopi"), "", 5, 0, S::npos);
-    test(S("dajhn"), "psthd", 5, 0, S::npos);
-    test(S("jbgno"), "rpmjd", 5, 1, S::npos);
-    test(S("hkjae"), "dfsmk", 5, 2, S::npos);
+void test0() {
+  test(S(""), "", 0, 0, S::npos);
+  test(S(""), "irkhs", 0, 0, S::npos);
+  test(S(""), "kante", 0, 1, S::npos);
+  test(S(""), "oknlr", 0, 2, S::npos);
+  test(S(""), "pcdro", 0, 4, S::npos);
+  test(S(""), "bnrpe", 0, 5, S::npos);
+  test(S(""), "jtdaefblso", 0, 0, S::npos);
+  test(S(""), "oselktgbca", 0, 1, S::npos);
+  test(S(""), "eqgaplhckj", 0, 5, S::npos);
+  test(S(""), "bjahtcmnlp", 0, 9, S::npos);
+  test(S(""), "hjlcmgpket", 0, 10, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
+  test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
+  test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
+  test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
+  test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
+  test(S(""), "", 1, 0, S::npos);
+  test(S(""), "lbtqd", 1, 0, S::npos);
+  test(S(""), "tboim", 1, 1, S::npos);
+  test(S(""), "slcer", 1, 2, S::npos);
+  test(S(""), "cbjfs", 1, 4, S::npos);
+  test(S(""), "aqibs", 1, 5, S::npos);
+  test(S(""), "gtfblmqinc", 1, 0, S::npos);
+  test(S(""), "mkqpbtdalg", 1, 1, S::npos);
+  test(S(""), "kphatlimcd", 1, 5, S::npos);
+  test(S(""), "pblasqogic", 1, 9, S::npos);
+  test(S(""), "arosdhcfme", 1, 10, S::npos);
+  test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
+  test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
+  test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
+  test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
+  test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
+  test(S("eaint"), "", 0, 0, 0);
+  test(S("binja"), "gfsrt", 0, 0, 0);
+  test(S("latkm"), "pfsoc", 0, 1, 0);
+  test(S("lecfr"), "tpflm", 0, 2, 0);
+  test(S("eqkst"), "sgkec", 0, 4, 1);
+  test(S("cdafr"), "romds", 0, 5, 0);
+  test(S("prbhe"), "qhjistlgmr", 0, 0, 0);
+  test(S("lbisk"), "pedfirsglo", 0, 1, 0);
+  test(S("hrlpd"), "aqcoslgrmk", 0, 5, 0);
+  test(S("ehmja"), "dabckmepqj", 0, 9, 1);
+  test(S("mhqgd"), "pqscrjthli", 0, 10, 0);
+  test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, 0);
+  test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, 0);
+  test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, 0);
+  test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, S::npos);
+  test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, S::npos);
+  test(S("clrgb"), "", 1, 0, 1);
+  test(S("tjmek"), "osmia", 1, 0, 1);
+  test(S("bgstp"), "ckonl", 1, 1, 1);
+  test(S("hstrk"), "ilcaj", 1, 2, 1);
+  test(S("kmspj"), "lasiq", 1, 4, 1);
+  test(S("tjboh"), "kfqmr", 1, 5, 1);
+  test(S("ilbcj"), "klnitfaobg", 1, 0, 1);
+  test(S("jkngf"), "gjhmdlqikp", 1, 1, 1);
+  test(S("gfcql"), "skbgtahqej", 1, 5, 1);
+  test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 1);
+  test(S("bthpg"), "bjgfmnlkio", 1, 10, 1);
+  test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, 1);
+  test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, 1);
+  test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 3);
+  test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, S::npos);
+  test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, S::npos);
+  test(S("ndrhl"), "", 2, 0, 2);
+  test(S("mrecp"), "otkgb", 2, 0, 2);
+  test(S("qlasf"), "cqsjl", 2, 1, 2);
+  test(S("smaqd"), "dpifl", 2, 2, 2);
+  test(S("hjeni"), "oapht", 2, 4, 2);
+  test(S("ocmfj"), "cifts", 2, 5, 2);
+  test(S("hmftq"), "nmsckbgalo", 2, 0, 2);
+  test(S("fklad"), "tpksqhamle", 2, 1, 2);
+  test(S("dirnm"), "tpdrchmkji", 2, 5, 3);
+  test(S("hrgdc"), "ijagfkblst", 2, 9, 3);
+  test(S("ifakg"), "kpocsignjb", 2, 10, 2);
+  test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, 2);
+  test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, 2);
+  test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 2);
+  test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, S::npos);
+  test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, S::npos);
+  test(S("cjgao"), "", 4, 0, 4);
+  test(S("kjplq"), "mabns", 4, 0, 4);
+  test(S("herni"), "bdnrp", 4, 1, 4);
+  test(S("tadrb"), "scidp", 4, 2, 4);
+  test(S("pkfeo"), "agbjl", 4, 4, 4);
+  test(S("hoser"), "jfmpr", 4, 5, S::npos);
+  test(S("kgrsp"), "rbpefghsmj", 4, 0, 4);
+  test(S("pgejb"), "apsfntdoqc", 4, 1, 4);
+  test(S("thlnq"), "ndkjeisgcl", 4, 5, 4);
+  test(S("nbmit"), "rnfpqatdeo", 4, 9, S::npos);
+  test(S("jgmib"), "bntjlqrfik", 4, 10, S::npos);
+  test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, 4);
+  test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, 4);
+  test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, S::npos);
+  test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, S::npos);
+  test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, S::npos);
+  test(S("klopi"), "", 5, 0, S::npos);
+  test(S("dajhn"), "psthd", 5, 0, S::npos);
+  test(S("jbgno"), "rpmjd", 5, 1, S::npos);
+  test(S("hkjae"), "dfsmk", 5, 2, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S("gbhqo"), "skqne", 5, 4, S::npos);
-    test(S("ktdor"), "kipnf", 5, 5, S::npos);
-    test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
-    test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
-    test(S("armql"), "pcdgltbrfj", 5, 5, S::npos);
-    test(S("cdhjo"), "aekfctpirg", 5, 9, S::npos);
-    test(S("jcons"), "ledihrsgpf", 5, 10, S::npos);
-    test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
-    test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
-    test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, S::npos);
-    test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, S::npos);
-    test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
-    test(S("gajqn"), "", 6, 0, S::npos);
-    test(S("stedk"), "hrnat", 6, 0, S::npos);
-    test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
-    test(S("dthpe"), "bspkd", 6, 2, S::npos);
-    test(S("klhde"), "ohcmb", 6, 4, S::npos);
-    test(S("bhlki"), "heatr", 6, 5, S::npos);
-    test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
-    test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
-    test(S("dpqbr"), "lmbtdehjrn", 6, 5, S::npos);
-    test(S("kdhmo"), "teqmcrlgib", 6, 9, S::npos);
-    test(S("jblqp"), "njolbmspac", 6, 10, S::npos);
-    test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
-    test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
-    test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, S::npos);
-    test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
-    test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
-    test(S("jnkrfhotgl"), "", 0, 0, 0);
-    test(S("dltjfngbko"), "rqegt", 0, 0, 0);
-    test(S("bmjlpkiqde"), "dashm", 0, 1, 0);
-    test(S("skrflobnqm"), "jqirk", 0, 2, 0);
-    test(S("jkpldtshrm"), "rckeg", 0, 4, 0);
-    test(S("ghasdbnjqo"), "jscie", 0, 5, 0);
-    test(S("igrkhpbqjt"), "efsphndliq", 0, 0, 0);
-    test(S("ikthdgcamf"), "gdicosleja", 0, 1, 0);
-    test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 2);
-    test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 4);
-    test(S("itphbqsker"), "dtablcrseo", 0, 10, 0);
-    test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, 0);
-    test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, 0);
-    test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 0);
-    test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 1);
-    test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, S::npos);
-    test(S("shbcqnmoar"), "", 1, 0, 1);
-    test(S("bdoshlmfin"), "ontrs", 1, 0, 1);
-    test(S("khfrebnsgq"), "pfkna", 1, 1, 1);
-    test(S("getcrsaoji"), "ekosa", 1, 2, 2);
-    test(S("fjiknedcpq"), "anqhk", 1, 4, 1);
-    test(S("tkejgnafrm"), "jekca", 1, 5, 4);
-    test(S("jnakolqrde"), "ikemsjgacf", 1, 0, 1);
-    test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, 1);
-    test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 3);
-    test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 1);
-    test(S("cigfqkated"), "sqcflrgtim", 1, 10, 5);
-    test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, 1);
-    test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, 1);
-    test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 5);
-    test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 5);
-    test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, S::npos);
-    test(S("ectnhskflp"), "", 5, 0, 5);
-    test(S("fgtianblpq"), "pijag", 5, 0, 5);
-    test(S("mfeqklirnh"), "jrckd", 5, 1, 5);
-    test(S("astedncjhk"), "qcloh", 5, 2, 5);
-    test(S("fhlqgcajbr"), "thlmp", 5, 4, 5);
-    test(S("epfhocmdng"), "qidmo", 5, 5, 5);
-    test(S("apcnsibger"), "lnegpsjqrd", 5, 0, 5);
-    test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 6);
-    test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 5);
-    test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 6);
-    test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 5);
-    test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, 5);
-    test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, 5);
-    test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 6);
-    test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 8);
-    test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, S::npos);
-    test(S("shoiedtcjb"), "", 9, 0, 9);
-    test(S("ebcinjgads"), "tqbnh", 9, 0, 9);
-    test(S("dqmregkcfl"), "akmle", 9, 1, 9);
-    test(S("ngcrieqajf"), "iqfkm", 9, 2, 9);
-    test(S("qosmilgnjb"), "tqjsr", 9, 4, 9);
-    test(S("ikabsjtdfl"), "jplqg", 9, 5, S::npos);
-    test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, 9);
-    test(S("fdnplotmgh"), "morkglpesn", 9, 1, 9);
-    test(S("fdbicojerm"), "dmicerngat", 9, 5, S::npos);
-    test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 9);
-    test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 9);
-    test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, 9);
-    test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 9);
-    test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 9);
-    test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, S::npos);
-    test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, S::npos);
-    test(S("ncjpmaekbs"), "", 10, 0, S::npos);
-    test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
-    test(S("pqfhsgilen"), "qnpor", 10, 1, S::npos);
-    test(S("gqtjsbdckh"), "otdma", 10, 2, S::npos);
-    test(S("cfkqpjlegi"), "efhjg", 10, 4, S::npos);
-    test(S("beanrfodgj"), "odpte", 10, 5, S::npos);
-    test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
-    test(S("iomkfthagj"), "oaklidrbqg", 10, 1, S::npos);
+void test1() {
+  test(S("gbhqo"), "skqne", 5, 4, S::npos);
+  test(S("ktdor"), "kipnf", 5, 5, S::npos);
+  test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
+  test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
+  test(S("armql"), "pcdgltbrfj", 5, 5, S::npos);
+  test(S("cdhjo"), "aekfctpirg", 5, 9, S::npos);
+  test(S("jcons"), "ledihrsgpf", 5, 10, S::npos);
+  test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
+  test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
+  test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, S::npos);
+  test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, S::npos);
+  test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
+  test(S("gajqn"), "", 6, 0, S::npos);
+  test(S("stedk"), "hrnat", 6, 0, S::npos);
+  test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
+  test(S("dthpe"), "bspkd", 6, 2, S::npos);
+  test(S("klhde"), "ohcmb", 6, 4, S::npos);
+  test(S("bhlki"), "heatr", 6, 5, S::npos);
+  test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
+  test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
+  test(S("dpqbr"), "lmbtdehjrn", 6, 5, S::npos);
+  test(S("kdhmo"), "teqmcrlgib", 6, 9, S::npos);
+  test(S("jblqp"), "njolbmspac", 6, 10, S::npos);
+  test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
+  test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
+  test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, S::npos);
+  test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
+  test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
+  test(S("jnkrfhotgl"), "", 0, 0, 0);
+  test(S("dltjfngbko"), "rqegt", 0, 0, 0);
+  test(S("bmjlpkiqde"), "dashm", 0, 1, 0);
+  test(S("skrflobnqm"), "jqirk", 0, 2, 0);
+  test(S("jkpldtshrm"), "rckeg", 0, 4, 0);
+  test(S("ghasdbnjqo"), "jscie", 0, 5, 0);
+  test(S("igrkhpbqjt"), "efsphndliq", 0, 0, 0);
+  test(S("ikthdgcamf"), "gdicosleja", 0, 1, 0);
+  test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 2);
+  test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 4);
+  test(S("itphbqsker"), "dtablcrseo", 0, 10, 0);
+  test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, 0);
+  test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, 0);
+  test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 0);
+  test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 1);
+  test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, S::npos);
+  test(S("shbcqnmoar"), "", 1, 0, 1);
+  test(S("bdoshlmfin"), "ontrs", 1, 0, 1);
+  test(S("khfrebnsgq"), "pfkna", 1, 1, 1);
+  test(S("getcrsaoji"), "ekosa", 1, 2, 2);
+  test(S("fjiknedcpq"), "anqhk", 1, 4, 1);
+  test(S("tkejgnafrm"), "jekca", 1, 5, 4);
+  test(S("jnakolqrde"), "ikemsjgacf", 1, 0, 1);
+  test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, 1);
+  test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 3);
+  test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 1);
+  test(S("cigfqkated"), "sqcflrgtim", 1, 10, 5);
+  test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, 1);
+  test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, 1);
+  test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 5);
+  test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 5);
+  test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, S::npos);
+  test(S("ectnhskflp"), "", 5, 0, 5);
+  test(S("fgtianblpq"), "pijag", 5, 0, 5);
+  test(S("mfeqklirnh"), "jrckd", 5, 1, 5);
+  test(S("astedncjhk"), "qcloh", 5, 2, 5);
+  test(S("fhlqgcajbr"), "thlmp", 5, 4, 5);
+  test(S("epfhocmdng"), "qidmo", 5, 5, 5);
+  test(S("apcnsibger"), "lnegpsjqrd", 5, 0, 5);
+  test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 6);
+  test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 5);
+  test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 6);
+  test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 5);
+  test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, 5);
+  test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, 5);
+  test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 6);
+  test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 8);
+  test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, S::npos);
+  test(S("shoiedtcjb"), "", 9, 0, 9);
+  test(S("ebcinjgads"), "tqbnh", 9, 0, 9);
+  test(S("dqmregkcfl"), "akmle", 9, 1, 9);
+  test(S("ngcrieqajf"), "iqfkm", 9, 2, 9);
+  test(S("qosmilgnjb"), "tqjsr", 9, 4, 9);
+  test(S("ikabsjtdfl"), "jplqg", 9, 5, S::npos);
+  test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, 9);
+  test(S("fdnplotmgh"), "morkglpesn", 9, 1, 9);
+  test(S("fdbicojerm"), "dmicerngat", 9, 5, S::npos);
+  test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 9);
+  test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 9);
+  test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, 9);
+  test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 9);
+  test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 9);
+  test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, S::npos);
+  test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, S::npos);
+  test(S("ncjpmaekbs"), "", 10, 0, S::npos);
+  test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
+  test(S("pqfhsgilen"), "qnpor", 10, 1, S::npos);
+  test(S("gqtjsbdckh"), "otdma", 10, 2, S::npos);
+  test(S("cfkqpjlegi"), "efhjg", 10, 4, S::npos);
+  test(S("beanrfodgj"), "odpte", 10, 5, S::npos);
+  test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
+  test(S("iomkfthagj"), "oaklidrbqg", 10, 1, S::npos);
 }
 
 template <class S>
-void test2()
-{
-    test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, S::npos);
-    test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, S::npos);
-    test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, S::npos);
-    test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
-    test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, S::npos);
-    test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, S::npos);
-    test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, S::npos);
-    test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
-    test(S("cqjohampgd"), "", 11, 0, S::npos);
-    test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
-    test(S("tjehkpsalm"), "jbrnk", 11, 1, S::npos);
-    test(S("ngfbojitcl"), "tqedg", 11, 2, S::npos);
-    test(S("rcfkdbhgjo"), "nqskp", 11, 4, S::npos);
-    test(S("qghptonrea"), "eaqkl", 11, 5, S::npos);
-    test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
-    test(S("hlmgabenti"), "lsftgajqpm", 11, 1, S::npos);
-    test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, S::npos);
-    test(S("jqedtkornm"), "shkncmiaqj", 11, 9, S::npos);
-    test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, S::npos);
-    test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
-    test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
-    test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, S::npos);
-    test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
-    test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
-    test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, 0);
-    test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, 0);
-    test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 0);
-    test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 0);
-    test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 0);
-    test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 0);
-    test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, 0);
-    test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 0);
-    test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 0);
-    test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 0);
-    test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 0);
-    test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, 0);
-    test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 0);
-    test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 0);
-    test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 11);
-    test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, S::npos);
-    test(S("febhmqtjanokscdirpgl"), "", 1, 0, 1);
-    test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, 1);
-    test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 1);
-    test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 2);
-    test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 2);
-    test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 1);
-    test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, 1);
-    test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 1);
-    test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 1);
-    test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 3);
-    test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 2);
-    test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, 1);
-    test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 1);
-    test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 2);
-    test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 13);
-    test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, S::npos);
-    test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, 10);
-    test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, 10);
-    test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 10);
-    test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 10);
-    test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 11);
-    test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 10);
-    test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, 10);
-    test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 10);
-    test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 10);
-    test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 11);
-    test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 10);
-    test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, 10);
-    test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 10);
-    test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 11);
-    test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 11);
-    test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, S::npos);
-    test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, 19);
-    test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, 19);
-    test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 19);
-    test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 19);
-    test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 19);
-    test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, S::npos);
-    test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, 19);
-    test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 19);
-    test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 19);
-    test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 19);
-    test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 19);
-    test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, 19);
-    test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 19);
-    test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, S::npos);
-    test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, S::npos);
-    test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, S::npos);
-    test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
-    test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
-    test(S("grkpahljcftesdmonqib"), "odife", 20, 1, S::npos);
-    test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, S::npos);
-    test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, S::npos);
-    test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, S::npos);
-    test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
-    test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, S::npos);
-    test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, S::npos);
-    test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, S::npos);
-    test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, S::npos);
-    test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
+void test2() {
+  test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, S::npos);
+  test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, S::npos);
+  test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, S::npos);
+  test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
+  test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, S::npos);
+  test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, S::npos);
+  test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, S::npos);
+  test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
+  test(S("cqjohampgd"), "", 11, 0, S::npos);
+  test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
+  test(S("tjehkpsalm"), "jbrnk", 11, 1, S::npos);
+  test(S("ngfbojitcl"), "tqedg", 11, 2, S::npos);
+  test(S("rcfkdbhgjo"), "nqskp", 11, 4, S::npos);
+  test(S("qghptonrea"), "eaqkl", 11, 5, S::npos);
+  test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
+  test(S("hlmgabenti"), "lsftgajqpm", 11, 1, S::npos);
+  test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, S::npos);
+  test(S("jqedtkornm"), "shkncmiaqj", 11, 9, S::npos);
+  test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, S::npos);
+  test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
+  test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
+  test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, S::npos);
+  test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
+  test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
+  test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, 0);
+  test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, 0);
+  test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 0);
+  test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 0);
+  test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 0);
+  test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 0);
+  test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, 0);
+  test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 0);
+  test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 0);
+  test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 0);
+  test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 0);
+  test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, 0);
+  test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 0);
+  test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 0);
+  test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 11);
+  test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, S::npos);
+  test(S("febhmqtjanokscdirpgl"), "", 1, 0, 1);
+  test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, 1);
+  test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 1);
+  test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 2);
+  test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 2);
+  test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 1);
+  test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, 1);
+  test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 1);
+  test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 1);
+  test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 3);
+  test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 2);
+  test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, 1);
+  test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 1);
+  test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 2);
+  test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 13);
+  test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, S::npos);
+  test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, 10);
+  test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, 10);
+  test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 10);
+  test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 10);
+  test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 11);
+  test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 10);
+  test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, 10);
+  test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 10);
+  test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 10);
+  test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 11);
+  test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 10);
+  test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, 10);
+  test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 10);
+  test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 11);
+  test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 11);
+  test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, S::npos);
+  test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, 19);
+  test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, 19);
+  test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 19);
+  test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 19);
+  test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 19);
+  test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, S::npos);
+  test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, 19);
+  test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 19);
+  test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 19);
+  test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 19);
+  test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 19);
+  test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, 19);
+  test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 19);
+  test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, S::npos);
+  test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, S::npos);
+  test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, S::npos);
+  test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
+  test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
+  test(S("grkpahljcftesdmonqib"), "odife", 20, 1, S::npos);
+  test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, S::npos);
+  test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, S::npos);
+  test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, S::npos);
+  test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
+  test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, S::npos);
+  test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, S::npos);
+  test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, S::npos);
+  test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, S::npos);
+  test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
 }
 
 template <class S>
-void test3()
-{
-    test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, S::npos);
-    test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, S::npos);
-    test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, S::npos);
-    test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
-    test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
-    test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
-    test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, S::npos);
-    test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, S::npos);
-    test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, S::npos);
-    test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, S::npos);
-    test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
-    test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, S::npos);
-    test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, S::npos);
-    test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, S::npos);
-    test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, S::npos);
-    test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
-    test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, S::npos);
-    test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, S::npos);
-    test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, S::npos);
-    test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
+void test3() {
+  test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, S::npos);
+  test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, S::npos);
+  test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, S::npos);
+  test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
+  test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
+  test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
+  test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, S::npos);
+  test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, S::npos);
+  test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, S::npos);
+  test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, S::npos);
+  test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
+  test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, S::npos);
+  test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, S::npos);
+  test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, S::npos);
+  test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, S::npos);
+  test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
+  test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, S::npos);
+  test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, S::npos);
+  test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, S::npos);
+  test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_not_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv1.find_first_not_of( "irkhs", 0, 5) == SV::npos, "" );
-    static_assert (sv2.find_first_not_of( "",      0, 0) == 0, "" );
-    static_assert (sv2.find_first_not_of( "gfsrt", 0, 5) == 0, "" );
-    static_assert (sv2.find_first_not_of( "lecar", 0, 5) == 1, "" );
-    }
+    static_assert(sv1.find_first_not_of("", 0, 0) == SV::npos, "");
+    static_assert(sv1.find_first_not_of("irkhs", 0, 5) == SV::npos, "");
+    static_assert(sv2.find_first_not_of("", 0, 0) == 0, "");
+    static_assert(sv2.find_first_not_of("gfsrt", 0, 5) == 0, "");
+    static_assert(sv2.find_first_not_of("lecar", 0, 5) == 1, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_not_of_string_view_size.pass.cpp
@@ -18,137 +18,130 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos));
-    assert(s.find_first_not_of(str, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_not_of(str, pos));
+  assert(s.find_first_not_of(str, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    assert(s.find_first_not_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  assert(s.find_first_not_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, S::npos);
-    test(S(""), S("laenf"), 0, S::npos);
-    test(S(""), S("pqlnkmbdjo"), 0, S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
-    test(S(""), S(""), 1, S::npos);
-    test(S(""), S("bjaht"), 1, S::npos);
-    test(S(""), S("hjlcmgpket"), 1, S::npos);
-    test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
-    test(S("fodgq"), S(""), 0, 0);
-    test(S("qanej"), S("dfkap"), 0, 0);
-    test(S("clbao"), S("ihqrfebgad"), 0, 0);
-    test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, S::npos);
-    test(S("srdfq"), S(""), 1, 1);
-    test(S("oemth"), S("ikcrq"), 1, 1);
-    test(S("cdaih"), S("dmajblfhsg"), 1, 3);
-    test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, S::npos);
-    test(S("cshmd"), S(""), 2, 2);
-    test(S("lhcdo"), S("oebqi"), 2, 2);
-    test(S("qnsoh"), S("kojhpmbsfe"), 2, S::npos);
-    test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, S::npos);
-    test(S("fmtsp"), S(""), 4, 4);
-    test(S("khbpm"), S("aobjd"), 4, 4);
-    test(S("pbsji"), S("pcbahntsje"), 4, 4);
-    test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, S::npos);
-    test(S("eqmpa"), S(""), 5, S::npos);
-    test(S("omigs"), S("kocgb"), 5, S::npos);
-    test(S("onmje"), S("fbslrjiqkm"), 5, S::npos);
-    test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
-    test(S("schfa"), S(""), 6, S::npos);
-    test(S("igdsc"), S("qngpd"), 6, S::npos);
-    test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
-    test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
-    test(S("hcjitbfapl"), S(""), 0, 0);
-    test(S("daiprenocl"), S("ashjd"), 0, 2);
-    test(S("litpcfdghe"), S("mgojkldsqh"), 0, 1);
-    test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, S::npos);
-    test(S("qpghtfbaji"), S(""), 1, 1);
-    test(S("gfshlcmdjr"), S("nadkh"), 1, 1);
-    test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 4);
-    test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, S::npos);
-    test(S("crnklpmegd"), S(""), 5, 5);
-    test(S("jsbtafedoc"), S("prqgn"), 5, 5);
-    test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 6);
-    test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, S::npos);
-    test(S("lmofqdhpki"), S(""), 9, 9);
-    test(S("hnefkqimca"), S("rtjpa"), 9, S::npos);
-    test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 9);
-    test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, S::npos);
-    test(S("elgofjmbrq"), S(""), 10, S::npos);
-    test(S("mjqdgalkpc"), S("dplqa"), 10, S::npos);
-    test(S("kthqnfcerm"), S("dkacjoptns"), 10, S::npos);
-    test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
-    test(S("eqsgalomhb"), S(""), 11, S::npos);
-    test(S("akiteljmoh"), S("lofbc"), 11, S::npos);
-    test(S("hlbdfreqjo"), S("astoegbfpn"), 11, S::npos);
-    test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), S(""), 0, 0);
-    test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 0);
-    test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 1);
-    test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, S::npos);
-    test(S("jlnkraeodhcspfgbqitm"), S(""), 1, 1);
-    test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 1);
-    test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 3);
-    test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, S::npos);
-    test(S("hdpkobnsalmcfijregtq"), S(""), 10, 10);
-    test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 11);
-    test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 13);
-    test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, S::npos);
-    test(S("niptglfbosehkamrdqcj"), S(""), 19, 19);
-    test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 19);
-    test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, S::npos);
-    test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, S::npos);
-    test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, S::npos);
-    test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, S::npos);
-    test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, S::npos);
-    test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, S::npos);
-    test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
+void test0() {
+  test(S(""), S(""), 0, S::npos);
+  test(S(""), S("laenf"), 0, S::npos);
+  test(S(""), S("pqlnkmbdjo"), 0, S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
+  test(S(""), S(""), 1, S::npos);
+  test(S(""), S("bjaht"), 1, S::npos);
+  test(S(""), S("hjlcmgpket"), 1, S::npos);
+  test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
+  test(S("fodgq"), S(""), 0, 0);
+  test(S("qanej"), S("dfkap"), 0, 0);
+  test(S("clbao"), S("ihqrfebgad"), 0, 0);
+  test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, S::npos);
+  test(S("srdfq"), S(""), 1, 1);
+  test(S("oemth"), S("ikcrq"), 1, 1);
+  test(S("cdaih"), S("dmajblfhsg"), 1, 3);
+  test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, S::npos);
+  test(S("cshmd"), S(""), 2, 2);
+  test(S("lhcdo"), S("oebqi"), 2, 2);
+  test(S("qnsoh"), S("kojhpmbsfe"), 2, S::npos);
+  test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, S::npos);
+  test(S("fmtsp"), S(""), 4, 4);
+  test(S("khbpm"), S("aobjd"), 4, 4);
+  test(S("pbsji"), S("pcbahntsje"), 4, 4);
+  test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, S::npos);
+  test(S("eqmpa"), S(""), 5, S::npos);
+  test(S("omigs"), S("kocgb"), 5, S::npos);
+  test(S("onmje"), S("fbslrjiqkm"), 5, S::npos);
+  test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
+  test(S("schfa"), S(""), 6, S::npos);
+  test(S("igdsc"), S("qngpd"), 6, S::npos);
+  test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
+  test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
+  test(S("hcjitbfapl"), S(""), 0, 0);
+  test(S("daiprenocl"), S("ashjd"), 0, 2);
+  test(S("litpcfdghe"), S("mgojkldsqh"), 0, 1);
+  test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, S::npos);
+  test(S("qpghtfbaji"), S(""), 1, 1);
+  test(S("gfshlcmdjr"), S("nadkh"), 1, 1);
+  test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 4);
+  test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, S::npos);
+  test(S("crnklpmegd"), S(""), 5, 5);
+  test(S("jsbtafedoc"), S("prqgn"), 5, 5);
+  test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 6);
+  test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, S::npos);
+  test(S("lmofqdhpki"), S(""), 9, 9);
+  test(S("hnefkqimca"), S("rtjpa"), 9, S::npos);
+  test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 9);
+  test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, S::npos);
+  test(S("elgofjmbrq"), S(""), 10, S::npos);
+  test(S("mjqdgalkpc"), S("dplqa"), 10, S::npos);
+  test(S("kthqnfcerm"), S("dkacjoptns"), 10, S::npos);
+  test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
+  test(S("eqsgalomhb"), S(""), 11, S::npos);
+  test(S("akiteljmoh"), S("lofbc"), 11, S::npos);
+  test(S("hlbdfreqjo"), S("astoegbfpn"), 11, S::npos);
+  test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), S(""), 0, 0);
+  test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 0);
+  test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 1);
+  test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, S::npos);
+  test(S("jlnkraeodhcspfgbqitm"), S(""), 1, 1);
+  test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 1);
+  test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 3);
+  test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, S::npos);
+  test(S("hdpkobnsalmcfijregtq"), S(""), 10, 10);
+  test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 11);
+  test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 13);
+  test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, S::npos);
+  test(S("niptglfbosehkamrdqcj"), S(""), 19, 19);
+  test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 19);
+  test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, S::npos);
+  test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, S::npos);
+  test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, S::npos);
+  test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, S::npos);
+  test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, S::npos);
+  test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, S::npos);
+  test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), S::npos);
-    test(S(""), S("laenf"), S::npos);
-    test(S(""), S("pqlnkmbdjo"), S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
-    test(S("nhmko"), S(""), 0);
-    test(S("lahfb"), S("irkhs"), 0);
-    test(S("gmfhd"), S("kantesmpgj"), 2);
-    test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), S::npos);
-    test(S("eolhfgpjqk"), S(""), 0);
-    test(S("nbatdlmekr"), S("bnrpe"), 2);
-    test(S("jdmciepkaq"), S("jtdaefblso"), 2);
-    test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), S::npos);
-    test(S("gprdcokbnjhlsfmtieqa"), S(""), 0);
-    test(S("qjghlnftcaismkropdeb"), S("bjaht"), 0);
-    test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 1);
-    test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), S::npos);
+void test1() {
+  test(S(""), S(""), S::npos);
+  test(S(""), S("laenf"), S::npos);
+  test(S(""), S("pqlnkmbdjo"), S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
+  test(S("nhmko"), S(""), 0);
+  test(S("lahfb"), S("irkhs"), 0);
+  test(S("gmfhd"), S("kantesmpgj"), 2);
+  test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), S::npos);
+  test(S("eolhfgpjqk"), S(""), 0);
+  test(S("nbatdlmekr"), S("bnrpe"), 2);
+  test(S("jdmciepkaq"), S("jtdaefblso"), 2);
+  test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), S::npos);
+  test(S("gprdcokbnjhlsfmtieqa"), S(""), 0);
+  test(S("qjghlnftcaismkropdeb"), S("bjaht"), 0);
+  test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 1);
+  test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_char_size.pass.cpp
@@ -19,28 +19,22 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(c, pos));
-    assert(s.find_first_of(c, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(c, pos));
+  assert(s.find_first_of(c, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    assert(s.find_first_of(c) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  assert(s.find_first_of(c) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'e', 0, S::npos);
     test(S(""), 'e', 1, S::npos);
@@ -67,20 +61,20 @@
     test(S("csope"), 'e', 4);
     test(S("gfsmthlkon"), 'e', S::npos);
     test(S("laenfsbridchgotmkqpj"), 'e', 2);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_of( 'e', 0 ) == SV::npos, "" );
-    static_assert (sv1.find_first_of( 'e', 1 ) == SV::npos, "" );
-    static_assert (sv2.find_first_of( 'q', 0 ) == SV::npos, "" );
-    static_assert (sv2.find_first_of( 'e', 1 ) == 4, "" );
-    static_assert (sv2.find_first_of( 'e', 5 ) == SV::npos, "" );
-    }
+    static_assert(sv1.find_first_of('e', 0) == SV::npos, "");
+    static_assert(sv1.find_first_of('e', 1) == SV::npos, "");
+    static_assert(sv2.find_first_of('q', 0) == SV::npos, "");
+    static_assert(sv2.find_first_of('e', 1) == 4, "");
+    static_assert(sv2.find_first_of('e', 5) == SV::npos, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size.pass.cpp
@@ -19,152 +19,144 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos));
-    assert(s.find_first_of(str, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos));
+  assert(s.find_first_of(str, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str));
-    assert(s.find_first_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str));
+  assert(s.find_first_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, S::npos);
-    test(S(""), "laenf", 0, S::npos);
-    test(S(""), "pqlnkmbdjo", 0, S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
-    test(S(""), "", 1, S::npos);
-    test(S(""), "bjaht", 1, S::npos);
-    test(S(""), "hjlcmgpket", 1, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
-    test(S("fodgq"), "", 0, S::npos);
-    test(S("qanej"), "dfkap", 0, 1);
-    test(S("clbao"), "ihqrfebgad", 0, 2);
-    test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, 0);
-    test(S("srdfq"), "", 1, S::npos);
-    test(S("oemth"), "ikcrq", 1, S::npos);
-    test(S("cdaih"), "dmajblfhsg", 1, 1);
-    test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, 1);
-    test(S("cshmd"), "", 2, S::npos);
-    test(S("lhcdo"), "oebqi", 2, 4);
-    test(S("qnsoh"), "kojhpmbsfe", 2, 2);
-    test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, 2);
-    test(S("fmtsp"), "", 4, S::npos);
-    test(S("khbpm"), "aobjd", 4, S::npos);
-    test(S("pbsji"), "pcbahntsje", 4, S::npos);
-    test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, 4);
-    test(S("eqmpa"), "", 5, S::npos);
-    test(S("omigs"), "kocgb", 5, S::npos);
-    test(S("onmje"), "fbslrjiqkm", 5, S::npos);
-    test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
-    test(S("schfa"), "", 6, S::npos);
-    test(S("igdsc"), "qngpd", 6, S::npos);
-    test(S("brqgo"), "rodhqklgmb", 6, S::npos);
-    test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
-    test(S("hcjitbfapl"), "", 0, S::npos);
-    test(S("daiprenocl"), "ashjd", 0, 0);
-    test(S("litpcfdghe"), "mgojkldsqh", 0, 0);
-    test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, 0);
-    test(S("qpghtfbaji"), "", 1, S::npos);
-    test(S("gfshlcmdjr"), "nadkh", 1, 3);
-    test(S("nkodajteqp"), "ofdrqmkebl", 1, 1);
-    test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, 1);
-    test(S("crnklpmegd"), "", 5, S::npos);
-    test(S("jsbtafedoc"), "prqgn", 5, S::npos);
-    test(S("qnmodrtkeb"), "pejafmnokr", 5, 5);
-    test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, 5);
-    test(S("lmofqdhpki"), "", 9, S::npos);
-    test(S("hnefkqimca"), "rtjpa", 9, 9);
-    test(S("drtasbgmfp"), "ktsrmnqagd", 9, S::npos);
-    test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, 9);
-    test(S("elgofjmbrq"), "", 10, S::npos);
-    test(S("mjqdgalkpc"), "dplqa", 10, S::npos);
-    test(S("kthqnfcerm"), "dkacjoptns", 10, S::npos);
-    test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
-    test(S("eqsgalomhb"), "", 11, S::npos);
-    test(S("akiteljmoh"), "lofbc", 11, S::npos);
-    test(S("hlbdfreqjo"), "astoegbfpn", 11, S::npos);
-    test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), "", 0, S::npos);
-    test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 3);
-    test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 0);
-    test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, 0);
-    test(S("jlnkraeodhcspfgbqitm"), "", 1, S::npos);
-    test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 3);
-    test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 1);
-    test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, 1);
-    test(S("hdpkobnsalmcfijregtq"), "", 10, S::npos);
-    test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 10);
-    test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 10);
-    test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, 10);
-    test(S("niptglfbosehkamrdqcj"), "", 19, S::npos);
-    test(S("copqdhstbingamjfkler"), "djkqc", 19, S::npos);
-    test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 19);
-    test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, 19);
-    test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, S::npos);
-    test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, S::npos);
-    test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, S::npos);
-    test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, S::npos);
-    test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
+void test0() {
+  test(S(""), "", 0, S::npos);
+  test(S(""), "laenf", 0, S::npos);
+  test(S(""), "pqlnkmbdjo", 0, S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
+  test(S(""), "", 1, S::npos);
+  test(S(""), "bjaht", 1, S::npos);
+  test(S(""), "hjlcmgpket", 1, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
+  test(S("fodgq"), "", 0, S::npos);
+  test(S("qanej"), "dfkap", 0, 1);
+  test(S("clbao"), "ihqrfebgad", 0, 2);
+  test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, 0);
+  test(S("srdfq"), "", 1, S::npos);
+  test(S("oemth"), "ikcrq", 1, S::npos);
+  test(S("cdaih"), "dmajblfhsg", 1, 1);
+  test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, 1);
+  test(S("cshmd"), "", 2, S::npos);
+  test(S("lhcdo"), "oebqi", 2, 4);
+  test(S("qnsoh"), "kojhpmbsfe", 2, 2);
+  test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, 2);
+  test(S("fmtsp"), "", 4, S::npos);
+  test(S("khbpm"), "aobjd", 4, S::npos);
+  test(S("pbsji"), "pcbahntsje", 4, S::npos);
+  test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, 4);
+  test(S("eqmpa"), "", 5, S::npos);
+  test(S("omigs"), "kocgb", 5, S::npos);
+  test(S("onmje"), "fbslrjiqkm", 5, S::npos);
+  test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
+  test(S("schfa"), "", 6, S::npos);
+  test(S("igdsc"), "qngpd", 6, S::npos);
+  test(S("brqgo"), "rodhqklgmb", 6, S::npos);
+  test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
+  test(S("hcjitbfapl"), "", 0, S::npos);
+  test(S("daiprenocl"), "ashjd", 0, 0);
+  test(S("litpcfdghe"), "mgojkldsqh", 0, 0);
+  test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, 0);
+  test(S("qpghtfbaji"), "", 1, S::npos);
+  test(S("gfshlcmdjr"), "nadkh", 1, 3);
+  test(S("nkodajteqp"), "ofdrqmkebl", 1, 1);
+  test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, 1);
+  test(S("crnklpmegd"), "", 5, S::npos);
+  test(S("jsbtafedoc"), "prqgn", 5, S::npos);
+  test(S("qnmodrtkeb"), "pejafmnokr", 5, 5);
+  test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, 5);
+  test(S("lmofqdhpki"), "", 9, S::npos);
+  test(S("hnefkqimca"), "rtjpa", 9, 9);
+  test(S("drtasbgmfp"), "ktsrmnqagd", 9, S::npos);
+  test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, 9);
+  test(S("elgofjmbrq"), "", 10, S::npos);
+  test(S("mjqdgalkpc"), "dplqa", 10, S::npos);
+  test(S("kthqnfcerm"), "dkacjoptns", 10, S::npos);
+  test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
+  test(S("eqsgalomhb"), "", 11, S::npos);
+  test(S("akiteljmoh"), "lofbc", 11, S::npos);
+  test(S("hlbdfreqjo"), "astoegbfpn", 11, S::npos);
+  test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), "", 0, S::npos);
+  test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 3);
+  test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 0);
+  test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, 0);
+  test(S("jlnkraeodhcspfgbqitm"), "", 1, S::npos);
+  test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 3);
+  test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 1);
+  test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, 1);
+  test(S("hdpkobnsalmcfijregtq"), "", 10, S::npos);
+  test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 10);
+  test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 10);
+  test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, 10);
+  test(S("niptglfbosehkamrdqcj"), "", 19, S::npos);
+  test(S("copqdhstbingamjfkler"), "djkqc", 19, S::npos);
+  test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 19);
+  test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, 19);
+  test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, S::npos);
+  test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, S::npos);
+  test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, S::npos);
+  test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, S::npos);
+  test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", S::npos);
-    test(S(""), "laenf", S::npos);
-    test(S(""), "pqlnkmbdjo", S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", S::npos);
-    test(S("nhmko"), "", S::npos);
-    test(S("lahfb"), "irkhs", 2);
-    test(S("gmfhd"), "kantesmpgj", 0);
-    test(S("odaft"), "oknlrstdpiqmjbaghcfe", 0);
-    test(S("eolhfgpjqk"), "", S::npos);
-    test(S("nbatdlmekr"), "bnrpe", 0);
-    test(S("jdmciepkaq"), "jtdaefblso", 0);
-    test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", 0);
-    test(S("gprdcokbnjhlsfmtieqa"), "", S::npos);
-    test(S("qjghlnftcaismkropdeb"), "bjaht", 1);
-    test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 0);
-    test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", 0);
+void test1() {
+  test(S(""), "", S::npos);
+  test(S(""), "laenf", S::npos);
+  test(S(""), "pqlnkmbdjo", S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", S::npos);
+  test(S("nhmko"), "", S::npos);
+  test(S("lahfb"), "irkhs", 2);
+  test(S("gmfhd"), "kantesmpgj", 0);
+  test(S("odaft"), "oknlrstdpiqmjbaghcfe", 0);
+  test(S("eolhfgpjqk"), "", S::npos);
+  test(S("nbatdlmekr"), "bnrpe", 0);
+  test(S("jdmciepkaq"), "jtdaefblso", 0);
+  test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", 0);
+  test(S("gprdcokbnjhlsfmtieqa"), "", S::npos);
+  test(S("qjghlnftcaismkropdeb"), "bjaht", 1);
+  test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 0);
+  test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_of( "",      0) == SV::npos, "" );
-    static_assert (sv1.find_first_of( "irkhs", 0) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "",      0) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "gfsrt", 0) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "lecar", 0) == 0, "" );
-    }
+    static_assert(sv1.find_first_of("", 0) == SV::npos, "");
+    static_assert(sv1.find_first_of("irkhs", 0) == SV::npos, "");
+    static_assert(sv2.find_first_of("", 0) == SV::npos, "");
+    static_assert(sv2.find_first_of("gfsrt", 0) == SV::npos, "");
+    static_assert(sv2.find_first_of("lecar", 0) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_pointer_size_size.pass.cpp
@@ -19,378 +19,374 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos, n));
-    assert(s.find_first_of(str, pos, n) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos, n));
+  assert(s.find_first_of(str, pos, n) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, S::npos);
-    test(S(""), "irkhs", 0, 0, S::npos);
-    test(S(""), "kante", 0, 1, S::npos);
-    test(S(""), "oknlr", 0, 2, S::npos);
-    test(S(""), "pcdro", 0, 4, S::npos);
-    test(S(""), "bnrpe", 0, 5, S::npos);
-    test(S(""), "jtdaefblso", 0, 0, S::npos);
-    test(S(""), "oselktgbca", 0, 1, S::npos);
-    test(S(""), "eqgaplhckj", 0, 5, S::npos);
-    test(S(""), "bjahtcmnlp", 0, 9, S::npos);
-    test(S(""), "hjlcmgpket", 0, 10, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
-    test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
-    test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
-    test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
-    test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
-    test(S(""), "", 1, 0, S::npos);
-    test(S(""), "lbtqd", 1, 0, S::npos);
-    test(S(""), "tboim", 1, 1, S::npos);
-    test(S(""), "slcer", 1, 2, S::npos);
-    test(S(""), "cbjfs", 1, 4, S::npos);
-    test(S(""), "aqibs", 1, 5, S::npos);
-    test(S(""), "gtfblmqinc", 1, 0, S::npos);
-    test(S(""), "mkqpbtdalg", 1, 1, S::npos);
-    test(S(""), "kphatlimcd", 1, 5, S::npos);
-    test(S(""), "pblasqogic", 1, 9, S::npos);
-    test(S(""), "arosdhcfme", 1, 10, S::npos);
-    test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
-    test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
-    test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
-    test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
-    test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
-    test(S("eaint"), "", 0, 0, S::npos);
-    test(S("binja"), "gfsrt", 0, 0, S::npos);
-    test(S("latkm"), "pfsoc", 0, 1, S::npos);
-    test(S("lecfr"), "tpflm", 0, 2, S::npos);
-    test(S("eqkst"), "sgkec", 0, 4, 0);
-    test(S("cdafr"), "romds", 0, 5, 1);
-    test(S("prbhe"), "qhjistlgmr", 0, 0, S::npos);
-    test(S("lbisk"), "pedfirsglo", 0, 1, S::npos);
-    test(S("hrlpd"), "aqcoslgrmk", 0, 5, S::npos);
-    test(S("ehmja"), "dabckmepqj", 0, 9, 0);
-    test(S("mhqgd"), "pqscrjthli", 0, 10, 1);
-    test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, S::npos);
-    test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, S::npos);
-    test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, S::npos);
-    test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, 0);
-    test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, 0);
-    test(S("clrgb"), "", 1, 0, S::npos);
-    test(S("tjmek"), "osmia", 1, 0, S::npos);
-    test(S("bgstp"), "ckonl", 1, 1, S::npos);
-    test(S("hstrk"), "ilcaj", 1, 2, S::npos);
-    test(S("kmspj"), "lasiq", 1, 4, 2);
-    test(S("tjboh"), "kfqmr", 1, 5, S::npos);
-    test(S("ilbcj"), "klnitfaobg", 1, 0, S::npos);
-    test(S("jkngf"), "gjhmdlqikp", 1, 1, 3);
-    test(S("gfcql"), "skbgtahqej", 1, 5, S::npos);
-    test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 2);
-    test(S("bthpg"), "bjgfmnlkio", 1, 10, 4);
-    test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, S::npos);
-    test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, S::npos);
-    test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 1);
-    test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, 1);
-    test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, 1);
-    test(S("ndrhl"), "", 2, 0, S::npos);
-    test(S("mrecp"), "otkgb", 2, 0, S::npos);
-    test(S("qlasf"), "cqsjl", 2, 1, S::npos);
-    test(S("smaqd"), "dpifl", 2, 2, 4);
-    test(S("hjeni"), "oapht", 2, 4, S::npos);
-    test(S("ocmfj"), "cifts", 2, 5, 3);
-    test(S("hmftq"), "nmsckbgalo", 2, 0, S::npos);
-    test(S("fklad"), "tpksqhamle", 2, 1, S::npos);
-    test(S("dirnm"), "tpdrchmkji", 2, 5, 2);
-    test(S("hrgdc"), "ijagfkblst", 2, 9, 2);
-    test(S("ifakg"), "kpocsignjb", 2, 10, 3);
-    test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, S::npos);
-    test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, S::npos);
-    test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 3);
-    test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, 2);
-    test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, 2);
-    test(S("cjgao"), "", 4, 0, S::npos);
-    test(S("kjplq"), "mabns", 4, 0, S::npos);
-    test(S("herni"), "bdnrp", 4, 1, S::npos);
-    test(S("tadrb"), "scidp", 4, 2, S::npos);
-    test(S("pkfeo"), "agbjl", 4, 4, S::npos);
-    test(S("hoser"), "jfmpr", 4, 5, 4);
-    test(S("kgrsp"), "rbpefghsmj", 4, 0, S::npos);
-    test(S("pgejb"), "apsfntdoqc", 4, 1, S::npos);
-    test(S("thlnq"), "ndkjeisgcl", 4, 5, S::npos);
-    test(S("nbmit"), "rnfpqatdeo", 4, 9, 4);
-    test(S("jgmib"), "bntjlqrfik", 4, 10, 4);
-    test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, S::npos);
-    test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, S::npos);
-    test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 4);
-    test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 4);
-    test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, 4);
-    test(S("klopi"), "", 5, 0, S::npos);
-    test(S("dajhn"), "psthd", 5, 0, S::npos);
-    test(S("jbgno"), "rpmjd", 5, 1, S::npos);
-    test(S("hkjae"), "dfsmk", 5, 2, S::npos);
+void test0() {
+  test(S(""), "", 0, 0, S::npos);
+  test(S(""), "irkhs", 0, 0, S::npos);
+  test(S(""), "kante", 0, 1, S::npos);
+  test(S(""), "oknlr", 0, 2, S::npos);
+  test(S(""), "pcdro", 0, 4, S::npos);
+  test(S(""), "bnrpe", 0, 5, S::npos);
+  test(S(""), "jtdaefblso", 0, 0, S::npos);
+  test(S(""), "oselktgbca", 0, 1, S::npos);
+  test(S(""), "eqgaplhckj", 0, 5, S::npos);
+  test(S(""), "bjahtcmnlp", 0, 9, S::npos);
+  test(S(""), "hjlcmgpket", 0, 10, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
+  test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
+  test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
+  test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
+  test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
+  test(S(""), "", 1, 0, S::npos);
+  test(S(""), "lbtqd", 1, 0, S::npos);
+  test(S(""), "tboim", 1, 1, S::npos);
+  test(S(""), "slcer", 1, 2, S::npos);
+  test(S(""), "cbjfs", 1, 4, S::npos);
+  test(S(""), "aqibs", 1, 5, S::npos);
+  test(S(""), "gtfblmqinc", 1, 0, S::npos);
+  test(S(""), "mkqpbtdalg", 1, 1, S::npos);
+  test(S(""), "kphatlimcd", 1, 5, S::npos);
+  test(S(""), "pblasqogic", 1, 9, S::npos);
+  test(S(""), "arosdhcfme", 1, 10, S::npos);
+  test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
+  test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
+  test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
+  test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
+  test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
+  test(S("eaint"), "", 0, 0, S::npos);
+  test(S("binja"), "gfsrt", 0, 0, S::npos);
+  test(S("latkm"), "pfsoc", 0, 1, S::npos);
+  test(S("lecfr"), "tpflm", 0, 2, S::npos);
+  test(S("eqkst"), "sgkec", 0, 4, 0);
+  test(S("cdafr"), "romds", 0, 5, 1);
+  test(S("prbhe"), "qhjistlgmr", 0, 0, S::npos);
+  test(S("lbisk"), "pedfirsglo", 0, 1, S::npos);
+  test(S("hrlpd"), "aqcoslgrmk", 0, 5, S::npos);
+  test(S("ehmja"), "dabckmepqj", 0, 9, 0);
+  test(S("mhqgd"), "pqscrjthli", 0, 10, 1);
+  test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, S::npos);
+  test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, S::npos);
+  test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, S::npos);
+  test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, 0);
+  test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, 0);
+  test(S("clrgb"), "", 1, 0, S::npos);
+  test(S("tjmek"), "osmia", 1, 0, S::npos);
+  test(S("bgstp"), "ckonl", 1, 1, S::npos);
+  test(S("hstrk"), "ilcaj", 1, 2, S::npos);
+  test(S("kmspj"), "lasiq", 1, 4, 2);
+  test(S("tjboh"), "kfqmr", 1, 5, S::npos);
+  test(S("ilbcj"), "klnitfaobg", 1, 0, S::npos);
+  test(S("jkngf"), "gjhmdlqikp", 1, 1, 3);
+  test(S("gfcql"), "skbgtahqej", 1, 5, S::npos);
+  test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 2);
+  test(S("bthpg"), "bjgfmnlkio", 1, 10, 4);
+  test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, S::npos);
+  test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, S::npos);
+  test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 1);
+  test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, 1);
+  test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, 1);
+  test(S("ndrhl"), "", 2, 0, S::npos);
+  test(S("mrecp"), "otkgb", 2, 0, S::npos);
+  test(S("qlasf"), "cqsjl", 2, 1, S::npos);
+  test(S("smaqd"), "dpifl", 2, 2, 4);
+  test(S("hjeni"), "oapht", 2, 4, S::npos);
+  test(S("ocmfj"), "cifts", 2, 5, 3);
+  test(S("hmftq"), "nmsckbgalo", 2, 0, S::npos);
+  test(S("fklad"), "tpksqhamle", 2, 1, S::npos);
+  test(S("dirnm"), "tpdrchmkji", 2, 5, 2);
+  test(S("hrgdc"), "ijagfkblst", 2, 9, 2);
+  test(S("ifakg"), "kpocsignjb", 2, 10, 3);
+  test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, S::npos);
+  test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, S::npos);
+  test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 3);
+  test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, 2);
+  test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, 2);
+  test(S("cjgao"), "", 4, 0, S::npos);
+  test(S("kjplq"), "mabns", 4, 0, S::npos);
+  test(S("herni"), "bdnrp", 4, 1, S::npos);
+  test(S("tadrb"), "scidp", 4, 2, S::npos);
+  test(S("pkfeo"), "agbjl", 4, 4, S::npos);
+  test(S("hoser"), "jfmpr", 4, 5, 4);
+  test(S("kgrsp"), "rbpefghsmj", 4, 0, S::npos);
+  test(S("pgejb"), "apsfntdoqc", 4, 1, S::npos);
+  test(S("thlnq"), "ndkjeisgcl", 4, 5, S::npos);
+  test(S("nbmit"), "rnfpqatdeo", 4, 9, 4);
+  test(S("jgmib"), "bntjlqrfik", 4, 10, 4);
+  test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, S::npos);
+  test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, S::npos);
+  test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 4);
+  test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 4);
+  test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, 4);
+  test(S("klopi"), "", 5, 0, S::npos);
+  test(S("dajhn"), "psthd", 5, 0, S::npos);
+  test(S("jbgno"), "rpmjd", 5, 1, S::npos);
+  test(S("hkjae"), "dfsmk", 5, 2, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S("gbhqo"), "skqne", 5, 4, S::npos);
-    test(S("ktdor"), "kipnf", 5, 5, S::npos);
-    test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
-    test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
-    test(S("armql"), "pcdgltbrfj", 5, 5, S::npos);
-    test(S("cdhjo"), "aekfctpirg", 5, 9, S::npos);
-    test(S("jcons"), "ledihrsgpf", 5, 10, S::npos);
-    test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
-    test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
-    test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, S::npos);
-    test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, S::npos);
-    test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
-    test(S("gajqn"), "", 6, 0, S::npos);
-    test(S("stedk"), "hrnat", 6, 0, S::npos);
-    test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
-    test(S("dthpe"), "bspkd", 6, 2, S::npos);
-    test(S("klhde"), "ohcmb", 6, 4, S::npos);
-    test(S("bhlki"), "heatr", 6, 5, S::npos);
-    test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
-    test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
-    test(S("dpqbr"), "lmbtdehjrn", 6, 5, S::npos);
-    test(S("kdhmo"), "teqmcrlgib", 6, 9, S::npos);
-    test(S("jblqp"), "njolbmspac", 6, 10, S::npos);
-    test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
-    test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
-    test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, S::npos);
-    test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
-    test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
-    test(S("jnkrfhotgl"), "", 0, 0, S::npos);
-    test(S("dltjfngbko"), "rqegt", 0, 0, S::npos);
-    test(S("bmjlpkiqde"), "dashm", 0, 1, 8);
-    test(S("skrflobnqm"), "jqirk", 0, 2, 8);
-    test(S("jkpldtshrm"), "rckeg", 0, 4, 1);
-    test(S("ghasdbnjqo"), "jscie", 0, 5, 3);
-    test(S("igrkhpbqjt"), "efsphndliq", 0, 0, S::npos);
-    test(S("ikthdgcamf"), "gdicosleja", 0, 1, 5);
-    test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 0);
-    test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 0);
-    test(S("itphbqsker"), "dtablcrseo", 0, 10, 1);
-    test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, S::npos);
-    test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, S::npos);
-    test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 4);
-    test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 0);
-    test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, 0);
-    test(S("shbcqnmoar"), "", 1, 0, S::npos);
-    test(S("bdoshlmfin"), "ontrs", 1, 0, S::npos);
-    test(S("khfrebnsgq"), "pfkna", 1, 1, S::npos);
-    test(S("getcrsaoji"), "ekosa", 1, 2, 1);
-    test(S("fjiknedcpq"), "anqhk", 1, 4, 4);
-    test(S("tkejgnafrm"), "jekca", 1, 5, 1);
-    test(S("jnakolqrde"), "ikemsjgacf", 1, 0, S::npos);
-    test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, S::npos);
-    test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 1);
-    test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 4);
-    test(S("cigfqkated"), "sqcflrgtim", 1, 10, 1);
-    test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, S::npos);
-    test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, S::npos);
-    test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 1);
-    test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 1);
-    test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, 1);
-    test(S("ectnhskflp"), "", 5, 0, S::npos);
-    test(S("fgtianblpq"), "pijag", 5, 0, S::npos);
-    test(S("mfeqklirnh"), "jrckd", 5, 1, S::npos);
-    test(S("astedncjhk"), "qcloh", 5, 2, 6);
-    test(S("fhlqgcajbr"), "thlmp", 5, 4, S::npos);
-    test(S("epfhocmdng"), "qidmo", 5, 5, 6);
-    test(S("apcnsibger"), "lnegpsjqrd", 5, 0, S::npos);
-    test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 5);
-    test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 7);
-    test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 5);
-    test(S("jbhcfposld"), "trfqgmckbe", 5, 10, S::npos);
-    test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, S::npos);
-    test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, S::npos);
-    test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 5);
-    test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 5);
-    test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, 5);
-    test(S("shoiedtcjb"), "", 9, 0, S::npos);
-    test(S("ebcinjgads"), "tqbnh", 9, 0, S::npos);
-    test(S("dqmregkcfl"), "akmle", 9, 1, S::npos);
-    test(S("ngcrieqajf"), "iqfkm", 9, 2, S::npos);
-    test(S("qosmilgnjb"), "tqjsr", 9, 4, S::npos);
-    test(S("ikabsjtdfl"), "jplqg", 9, 5, 9);
-    test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, S::npos);
-    test(S("fdnplotmgh"), "morkglpesn", 9, 1, S::npos);
-    test(S("fdbicojerm"), "dmicerngat", 9, 5, 9);
-    test(S("mbtafndjcq"), "radgeskbtc", 9, 9, S::npos);
-    test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, S::npos);
-    test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, S::npos);
-    test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, S::npos);
-    test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, S::npos);
-    test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 9);
-    test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, 9);
-    test(S("ncjpmaekbs"), "", 10, 0, S::npos);
-    test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
-    test(S("pqfhsgilen"), "qnpor", 10, 1, S::npos);
-    test(S("gqtjsbdckh"), "otdma", 10, 2, S::npos);
-    test(S("cfkqpjlegi"), "efhjg", 10, 4, S::npos);
-    test(S("beanrfodgj"), "odpte", 10, 5, S::npos);
-    test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
-    test(S("iomkfthagj"), "oaklidrbqg", 10, 1, S::npos);
+void test1() {
+  test(S("gbhqo"), "skqne", 5, 4, S::npos);
+  test(S("ktdor"), "kipnf", 5, 5, S::npos);
+  test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
+  test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
+  test(S("armql"), "pcdgltbrfj", 5, 5, S::npos);
+  test(S("cdhjo"), "aekfctpirg", 5, 9, S::npos);
+  test(S("jcons"), "ledihrsgpf", 5, 10, S::npos);
+  test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
+  test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
+  test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, S::npos);
+  test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, S::npos);
+  test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
+  test(S("gajqn"), "", 6, 0, S::npos);
+  test(S("stedk"), "hrnat", 6, 0, S::npos);
+  test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
+  test(S("dthpe"), "bspkd", 6, 2, S::npos);
+  test(S("klhde"), "ohcmb", 6, 4, S::npos);
+  test(S("bhlki"), "heatr", 6, 5, S::npos);
+  test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
+  test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
+  test(S("dpqbr"), "lmbtdehjrn", 6, 5, S::npos);
+  test(S("kdhmo"), "teqmcrlgib", 6, 9, S::npos);
+  test(S("jblqp"), "njolbmspac", 6, 10, S::npos);
+  test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
+  test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
+  test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, S::npos);
+  test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
+  test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
+  test(S("jnkrfhotgl"), "", 0, 0, S::npos);
+  test(S("dltjfngbko"), "rqegt", 0, 0, S::npos);
+  test(S("bmjlpkiqde"), "dashm", 0, 1, 8);
+  test(S("skrflobnqm"), "jqirk", 0, 2, 8);
+  test(S("jkpldtshrm"), "rckeg", 0, 4, 1);
+  test(S("ghasdbnjqo"), "jscie", 0, 5, 3);
+  test(S("igrkhpbqjt"), "efsphndliq", 0, 0, S::npos);
+  test(S("ikthdgcamf"), "gdicosleja", 0, 1, 5);
+  test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 0);
+  test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 0);
+  test(S("itphbqsker"), "dtablcrseo", 0, 10, 1);
+  test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, S::npos);
+  test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, S::npos);
+  test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 4);
+  test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 0);
+  test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, 0);
+  test(S("shbcqnmoar"), "", 1, 0, S::npos);
+  test(S("bdoshlmfin"), "ontrs", 1, 0, S::npos);
+  test(S("khfrebnsgq"), "pfkna", 1, 1, S::npos);
+  test(S("getcrsaoji"), "ekosa", 1, 2, 1);
+  test(S("fjiknedcpq"), "anqhk", 1, 4, 4);
+  test(S("tkejgnafrm"), "jekca", 1, 5, 1);
+  test(S("jnakolqrde"), "ikemsjgacf", 1, 0, S::npos);
+  test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, S::npos);
+  test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 1);
+  test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 4);
+  test(S("cigfqkated"), "sqcflrgtim", 1, 10, 1);
+  test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, S::npos);
+  test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, S::npos);
+  test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 1);
+  test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 1);
+  test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, 1);
+  test(S("ectnhskflp"), "", 5, 0, S::npos);
+  test(S("fgtianblpq"), "pijag", 5, 0, S::npos);
+  test(S("mfeqklirnh"), "jrckd", 5, 1, S::npos);
+  test(S("astedncjhk"), "qcloh", 5, 2, 6);
+  test(S("fhlqgcajbr"), "thlmp", 5, 4, S::npos);
+  test(S("epfhocmdng"), "qidmo", 5, 5, 6);
+  test(S("apcnsibger"), "lnegpsjqrd", 5, 0, S::npos);
+  test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 5);
+  test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 7);
+  test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 5);
+  test(S("jbhcfposld"), "trfqgmckbe", 5, 10, S::npos);
+  test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, S::npos);
+  test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, S::npos);
+  test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 5);
+  test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 5);
+  test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, 5);
+  test(S("shoiedtcjb"), "", 9, 0, S::npos);
+  test(S("ebcinjgads"), "tqbnh", 9, 0, S::npos);
+  test(S("dqmregkcfl"), "akmle", 9, 1, S::npos);
+  test(S("ngcrieqajf"), "iqfkm", 9, 2, S::npos);
+  test(S("qosmilgnjb"), "tqjsr", 9, 4, S::npos);
+  test(S("ikabsjtdfl"), "jplqg", 9, 5, 9);
+  test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, S::npos);
+  test(S("fdnplotmgh"), "morkglpesn", 9, 1, S::npos);
+  test(S("fdbicojerm"), "dmicerngat", 9, 5, 9);
+  test(S("mbtafndjcq"), "radgeskbtc", 9, 9, S::npos);
+  test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, S::npos);
+  test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, S::npos);
+  test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, S::npos);
+  test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, S::npos);
+  test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 9);
+  test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, 9);
+  test(S("ncjpmaekbs"), "", 10, 0, S::npos);
+  test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
+  test(S("pqfhsgilen"), "qnpor", 10, 1, S::npos);
+  test(S("gqtjsbdckh"), "otdma", 10, 2, S::npos);
+  test(S("cfkqpjlegi"), "efhjg", 10, 4, S::npos);
+  test(S("beanrfodgj"), "odpte", 10, 5, S::npos);
+  test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
+  test(S("iomkfthagj"), "oaklidrbqg", 10, 1, S::npos);
 }
 
 template <class S>
-void test2()
-{
-    test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, S::npos);
-    test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, S::npos);
-    test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, S::npos);
-    test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
-    test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, S::npos);
-    test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, S::npos);
-    test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, S::npos);
-    test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
-    test(S("cqjohampgd"), "", 11, 0, S::npos);
-    test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
-    test(S("tjehkpsalm"), "jbrnk", 11, 1, S::npos);
-    test(S("ngfbojitcl"), "tqedg", 11, 2, S::npos);
-    test(S("rcfkdbhgjo"), "nqskp", 11, 4, S::npos);
-    test(S("qghptonrea"), "eaqkl", 11, 5, S::npos);
-    test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
-    test(S("hlmgabenti"), "lsftgajqpm", 11, 1, S::npos);
-    test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, S::npos);
-    test(S("jqedtkornm"), "shkncmiaqj", 11, 9, S::npos);
-    test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, S::npos);
-    test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
-    test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
-    test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, S::npos);
-    test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
-    test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
-    test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, S::npos);
-    test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, S::npos);
-    test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 4);
-    test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 3);
-    test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 3);
-    test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 3);
-    test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, S::npos);
-    test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 19);
-    test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 2);
-    test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 2);
-    test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 2);
-    test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, S::npos);
-    test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 16);
-    test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 1);
-    test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 0);
-    test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, 0);
-    test(S("febhmqtjanokscdirpgl"), "", 1, 0, S::npos);
-    test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, S::npos);
-    test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 6);
-    test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 1);
-    test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 1);
-    test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 6);
-    test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, S::npos);
-    test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 19);
-    test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 4);
-    test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 1);
-    test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 1);
-    test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, S::npos);
-    test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 7);
-    test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 1);
-    test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 1);
-    test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, 1);
-    test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, S::npos);
-    test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, S::npos);
-    test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 12);
-    test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, S::npos);
-    test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 10);
-    test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 15);
-    test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, S::npos);
-    test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, S::npos);
-    test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 11);
-    test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 10);
-    test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 11);
-    test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, S::npos);
-    test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 18);
-    test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 10);
-    test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 10);
-    test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, 10);
-    test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, S::npos);
-    test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, S::npos);
-    test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, S::npos);
-    test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, S::npos);
-    test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, S::npos);
-    test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 19);
-    test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, S::npos);
-    test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, S::npos);
-    test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, S::npos);
-    test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, S::npos);
-    test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, S::npos);
-    test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, S::npos);
-    test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, S::npos);
-    test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 19);
-    test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 19);
-    test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, 19);
-    test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
-    test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
-    test(S("grkpahljcftesdmonqib"), "odife", 20, 1, S::npos);
-    test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, S::npos);
-    test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, S::npos);
-    test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, S::npos);
-    test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
-    test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, S::npos);
-    test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, S::npos);
-    test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, S::npos);
-    test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, S::npos);
-    test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
+void test2() {
+  test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, S::npos);
+  test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, S::npos);
+  test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, S::npos);
+  test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
+  test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, S::npos);
+  test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, S::npos);
+  test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, S::npos);
+  test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
+  test(S("cqjohampgd"), "", 11, 0, S::npos);
+  test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
+  test(S("tjehkpsalm"), "jbrnk", 11, 1, S::npos);
+  test(S("ngfbojitcl"), "tqedg", 11, 2, S::npos);
+  test(S("rcfkdbhgjo"), "nqskp", 11, 4, S::npos);
+  test(S("qghptonrea"), "eaqkl", 11, 5, S::npos);
+  test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
+  test(S("hlmgabenti"), "lsftgajqpm", 11, 1, S::npos);
+  test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, S::npos);
+  test(S("jqedtkornm"), "shkncmiaqj", 11, 9, S::npos);
+  test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, S::npos);
+  test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
+  test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
+  test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, S::npos);
+  test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
+  test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
+  test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, S::npos);
+  test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, S::npos);
+  test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 4);
+  test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 3);
+  test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 3);
+  test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 3);
+  test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, S::npos);
+  test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 19);
+  test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 2);
+  test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 2);
+  test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 2);
+  test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, S::npos);
+  test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 16);
+  test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 1);
+  test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 0);
+  test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, 0);
+  test(S("febhmqtjanokscdirpgl"), "", 1, 0, S::npos);
+  test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, S::npos);
+  test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 6);
+  test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 1);
+  test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 1);
+  test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 6);
+  test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, S::npos);
+  test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 19);
+  test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 4);
+  test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 1);
+  test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 1);
+  test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, S::npos);
+  test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 7);
+  test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 1);
+  test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 1);
+  test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, 1);
+  test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, S::npos);
+  test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, S::npos);
+  test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 12);
+  test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, S::npos);
+  test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 10);
+  test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 15);
+  test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, S::npos);
+  test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, S::npos);
+  test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 11);
+  test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 10);
+  test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 11);
+  test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, S::npos);
+  test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 18);
+  test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 10);
+  test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 10);
+  test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, 10);
+  test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, S::npos);
+  test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, S::npos);
+  test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, S::npos);
+  test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, S::npos);
+  test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, S::npos);
+  test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 19);
+  test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, S::npos);
+  test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, S::npos);
+  test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, S::npos);
+  test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, S::npos);
+  test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, S::npos);
+  test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, S::npos);
+  test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, S::npos);
+  test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 19);
+  test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 19);
+  test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, 19);
+  test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
+  test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
+  test(S("grkpahljcftesdmonqib"), "odife", 20, 1, S::npos);
+  test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, S::npos);
+  test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, S::npos);
+  test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, S::npos);
+  test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
+  test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, S::npos);
+  test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, S::npos);
+  test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, S::npos);
+  test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, S::npos);
+  test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
 }
 
 template <class S>
-void test3()
-{
-    test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, S::npos);
-    test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, S::npos);
-    test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, S::npos);
-    test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
-    test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
-    test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
-    test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, S::npos);
-    test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, S::npos);
-    test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, S::npos);
-    test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, S::npos);
-    test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
-    test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, S::npos);
-    test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, S::npos);
-    test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, S::npos);
-    test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, S::npos);
-    test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
-    test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, S::npos);
-    test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, S::npos);
-    test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, S::npos);
-    test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
+void test3() {
+  test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, S::npos);
+  test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, S::npos);
+  test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, S::npos);
+  test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
+  test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
+  test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
+  test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, S::npos);
+  test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, S::npos);
+  test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, S::npos);
+  test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, S::npos);
+  test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
+  test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, S::npos);
+  test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, S::npos);
+  test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, S::npos);
+  test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, S::npos);
+  test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
+  test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, S::npos);
+  test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, S::npos);
+  test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, S::npos);
+  test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_first_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv1.find_first_of( "irkhs", 0, 5) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "gfsrt", 0, 5) == SV::npos, "" );
-    static_assert (sv2.find_first_of( "lecar", 0, 5) == 0, "" );
-    }
+    static_assert(sv1.find_first_of("", 0, 0) == SV::npos, "");
+    static_assert(sv1.find_first_of("irkhs", 0, 5) == SV::npos, "");
+    static_assert(sv2.find_first_of("", 0, 0) == SV::npos, "");
+    static_assert(sv2.find_first_of("gfsrt", 0, 5) == SV::npos, "");
+    static_assert(sv2.find_first_of("lecar", 0, 5) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_first_of_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_first_of_string_view_size.pass.cpp
@@ -18,138 +18,131 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos));
-    assert(s.find_first_of(str, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x < s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str, pos));
+  assert(s.find_first_of(str, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str));
-    assert(s.find_first_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_first_of(str));
+  assert(s.find_first_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, S::npos);
-    test(S(""), S("laenf"), 0, S::npos);
-    test(S(""), S("pqlnkmbdjo"), 0, S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
-    test(S(""), S(""), 1, S::npos);
-    test(S(""), S("bjaht"), 1, S::npos);
-    test(S(""), S("hjlcmgpket"), 1, S::npos);
-    test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
-    test(S("fodgq"), S(""), 0, S::npos);
-    test(S("qanej"), S("dfkap"), 0, 1);
-    test(S("clbao"), S("ihqrfebgad"), 0, 2);
-    test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, 0);
-    test(S("srdfq"), S(""), 1, S::npos);
-    test(S("oemth"), S("ikcrq"), 1, S::npos);
-    test(S("cdaih"), S("dmajblfhsg"), 1, 1);
-    test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, 1);
-    test(S("cshmd"), S(""), 2, S::npos);
-    test(S("lhcdo"), S("oebqi"), 2, 4);
-    test(S("qnsoh"), S("kojhpmbsfe"), 2, 2);
-    test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, 2);
-    test(S("fmtsp"), S(""), 4, S::npos);
-    test(S("khbpm"), S("aobjd"), 4, S::npos);
-    test(S("pbsji"), S("pcbahntsje"), 4, S::npos);
-    test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, 4);
-    test(S("eqmpa"), S(""), 5, S::npos);
-    test(S("omigs"), S("kocgb"), 5, S::npos);
-    test(S("onmje"), S("fbslrjiqkm"), 5, S::npos);
-    test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
-    test(S("schfa"), S(""), 6, S::npos);
-    test(S("igdsc"), S("qngpd"), 6, S::npos);
-    test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
-    test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
-    test(S("hcjitbfapl"), S(""), 0, S::npos);
-    test(S("daiprenocl"), S("ashjd"), 0, 0);
-    test(S("litpcfdghe"), S("mgojkldsqh"), 0, 0);
-    test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, 0);
-    test(S("qpghtfbaji"), S(""), 1, S::npos);
-    test(S("gfshlcmdjr"), S("nadkh"), 1, 3);
-    test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 1);
-    test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, 1);
-    test(S("crnklpmegd"), S(""), 5, S::npos);
-    test(S("jsbtafedoc"), S("prqgn"), 5, S::npos);
-    test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 5);
-    test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, 5);
-    test(S("lmofqdhpki"), S(""), 9, S::npos);
-    test(S("hnefkqimca"), S("rtjpa"), 9, 9);
-    test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, S::npos);
-    test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, 9);
-    test(S("elgofjmbrq"), S(""), 10, S::npos);
-    test(S("mjqdgalkpc"), S("dplqa"), 10, S::npos);
-    test(S("kthqnfcerm"), S("dkacjoptns"), 10, S::npos);
-    test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
-    test(S("eqsgalomhb"), S(""), 11, S::npos);
-    test(S("akiteljmoh"), S("lofbc"), 11, S::npos);
-    test(S("hlbdfreqjo"), S("astoegbfpn"), 11, S::npos);
-    test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), S(""), 0, S::npos);
-    test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 3);
-    test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 0);
-    test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, 0);
-    test(S("jlnkraeodhcspfgbqitm"), S(""), 1, S::npos);
-    test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 3);
-    test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 1);
-    test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, 1);
-    test(S("hdpkobnsalmcfijregtq"), S(""), 10, S::npos);
-    test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 10);
-    test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 10);
-    test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, 10);
-    test(S("niptglfbosehkamrdqcj"), S(""), 19, S::npos);
-    test(S("copqdhstbingamjfkler"), S("djkqc"), 19, S::npos);
-    test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 19);
-    test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, 19);
-    test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, S::npos);
-    test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, S::npos);
-    test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, S::npos);
-    test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, S::npos);
-    test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
+void test0() {
+  test(S(""), S(""), 0, S::npos);
+  test(S(""), S("laenf"), 0, S::npos);
+  test(S(""), S("pqlnkmbdjo"), 0, S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
+  test(S(""), S(""), 1, S::npos);
+  test(S(""), S("bjaht"), 1, S::npos);
+  test(S(""), S("hjlcmgpket"), 1, S::npos);
+  test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
+  test(S("fodgq"), S(""), 0, S::npos);
+  test(S("qanej"), S("dfkap"), 0, 1);
+  test(S("clbao"), S("ihqrfebgad"), 0, 2);
+  test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, 0);
+  test(S("srdfq"), S(""), 1, S::npos);
+  test(S("oemth"), S("ikcrq"), 1, S::npos);
+  test(S("cdaih"), S("dmajblfhsg"), 1, 1);
+  test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, 1);
+  test(S("cshmd"), S(""), 2, S::npos);
+  test(S("lhcdo"), S("oebqi"), 2, 4);
+  test(S("qnsoh"), S("kojhpmbsfe"), 2, 2);
+  test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, 2);
+  test(S("fmtsp"), S(""), 4, S::npos);
+  test(S("khbpm"), S("aobjd"), 4, S::npos);
+  test(S("pbsji"), S("pcbahntsje"), 4, S::npos);
+  test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, 4);
+  test(S("eqmpa"), S(""), 5, S::npos);
+  test(S("omigs"), S("kocgb"), 5, S::npos);
+  test(S("onmje"), S("fbslrjiqkm"), 5, S::npos);
+  test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
+  test(S("schfa"), S(""), 6, S::npos);
+  test(S("igdsc"), S("qngpd"), 6, S::npos);
+  test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
+  test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
+  test(S("hcjitbfapl"), S(""), 0, S::npos);
+  test(S("daiprenocl"), S("ashjd"), 0, 0);
+  test(S("litpcfdghe"), S("mgojkldsqh"), 0, 0);
+  test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, 0);
+  test(S("qpghtfbaji"), S(""), 1, S::npos);
+  test(S("gfshlcmdjr"), S("nadkh"), 1, 3);
+  test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 1);
+  test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, 1);
+  test(S("crnklpmegd"), S(""), 5, S::npos);
+  test(S("jsbtafedoc"), S("prqgn"), 5, S::npos);
+  test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 5);
+  test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, 5);
+  test(S("lmofqdhpki"), S(""), 9, S::npos);
+  test(S("hnefkqimca"), S("rtjpa"), 9, 9);
+  test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, S::npos);
+  test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, 9);
+  test(S("elgofjmbrq"), S(""), 10, S::npos);
+  test(S("mjqdgalkpc"), S("dplqa"), 10, S::npos);
+  test(S("kthqnfcerm"), S("dkacjoptns"), 10, S::npos);
+  test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
+  test(S("eqsgalomhb"), S(""), 11, S::npos);
+  test(S("akiteljmoh"), S("lofbc"), 11, S::npos);
+  test(S("hlbdfreqjo"), S("astoegbfpn"), 11, S::npos);
+  test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), S(""), 0, S::npos);
+  test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 3);
+  test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 0);
+  test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, 0);
+  test(S("jlnkraeodhcspfgbqitm"), S(""), 1, S::npos);
+  test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 3);
+  test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 1);
+  test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, 1);
+  test(S("hdpkobnsalmcfijregtq"), S(""), 10, S::npos);
+  test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 10);
+  test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 10);
+  test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, 10);
+  test(S("niptglfbosehkamrdqcj"), S(""), 19, S::npos);
+  test(S("copqdhstbingamjfkler"), S("djkqc"), 19, S::npos);
+  test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 19);
+  test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, 19);
+  test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, S::npos);
+  test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, S::npos);
+  test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, S::npos);
+  test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, S::npos);
+  test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), S::npos);
-    test(S(""), S("laenf"), S::npos);
-    test(S(""), S("pqlnkmbdjo"), S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
-    test(S("nhmko"), S(""), S::npos);
-    test(S("lahfb"), S("irkhs"), 2);
-    test(S("gmfhd"), S("kantesmpgj"), 0);
-    test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), 0);
-    test(S("eolhfgpjqk"), S(""), S::npos);
-    test(S("nbatdlmekr"), S("bnrpe"), 0);
-    test(S("jdmciepkaq"), S("jtdaefblso"), 0);
-    test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), 0);
-    test(S("gprdcokbnjhlsfmtieqa"), S(""), S::npos);
-    test(S("qjghlnftcaismkropdeb"), S("bjaht"), 1);
-    test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 0);
-    test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), 0);
+void test1() {
+  test(S(""), S(""), S::npos);
+  test(S(""), S("laenf"), S::npos);
+  test(S(""), S("pqlnkmbdjo"), S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
+  test(S("nhmko"), S(""), S::npos);
+  test(S("lahfb"), S("irkhs"), 2);
+  test(S("gmfhd"), S("kantesmpgj"), 0);
+  test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), 0);
+  test(S("eolhfgpjqk"), S(""), S::npos);
+  test(S("nbatdlmekr"), S("bnrpe"), 0);
+  test(S("jdmciepkaq"), S("jtdaefblso"), 0);
+  test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), 0);
+  test(S("gprdcokbnjhlsfmtieqa"), S(""), S::npos);
+  test(S("qjghlnftcaismkropdeb"), S("bjaht"), 1);
+  test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 0);
+  test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_char_size.pass.cpp
@@ -19,29 +19,23 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(c, pos));
-    assert(s.find_last_not_of(c, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(c, pos));
+  assert(s.find_last_not_of(c, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(c));
-    assert(s.find_last_not_of(c) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(c));
+  assert(s.find_last_not_of(c) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'i', 0, S::npos);
     test(S(""), 'i', 1, S::npos);
@@ -68,20 +62,20 @@
     test(S("csope"), 'i', 4);
     test(S("gfsmthlkon"), 'i', 9);
     test(S("laenfsbridchgotmkqpj"), 'i', 19);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_not_of( 'i', 0 ) == SV::npos, "" );
-    static_assert (sv1.find_last_not_of( 'i', 1 ) == SV::npos, "" );
-    static_assert (sv2.find_last_not_of( 'a', 0 ) == SV::npos, "" );
-    static_assert (sv2.find_last_not_of( 'a', 1 ) == 1, "" );
-    static_assert (sv2.find_last_not_of( 'e', 5 ) == 3, "" );
-    }
+    static_assert(sv1.find_last_not_of('i', 0) == SV::npos, "");
+    static_assert(sv1.find_last_not_of('i', 1) == SV::npos, "");
+    static_assert(sv2.find_last_not_of('a', 0) == SV::npos, "");
+    static_assert(sv2.find_last_not_of('a', 1) == 1, "");
+    static_assert(sv2.find_last_not_of('e', 5) == 3, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size.pass.cpp
@@ -19,151 +19,143 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos));
-    assert(s.find_last_not_of(str, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos));
+  assert(s.find_last_not_of(str, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    assert(s.find_last_not_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  assert(s.find_last_not_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, S::npos);
-    test(S(""), "laenf", 0, S::npos);
-    test(S(""), "pqlnkmbdjo", 0, S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
-    test(S(""), "", 1, S::npos);
-    test(S(""), "bjaht", 1, S::npos);
-    test(S(""), "hjlcmgpket", 1, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
-    test(S("fodgq"), "", 0, 0);
-    test(S("qanej"), "dfkap", 0, 0);
-    test(S("clbao"), "ihqrfebgad", 0, 0);
-    test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, S::npos);
-    test(S("srdfq"), "", 1, 1);
-    test(S("oemth"), "ikcrq", 1, 1);
-    test(S("cdaih"), "dmajblfhsg", 1, 0);
-    test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, S::npos);
-    test(S("cshmd"), "", 2, 2);
-    test(S("lhcdo"), "oebqi", 2, 2);
-    test(S("qnsoh"), "kojhpmbsfe", 2, 1);
-    test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, S::npos);
-    test(S("fmtsp"), "", 4, 4);
-    test(S("khbpm"), "aobjd", 4, 4);
-    test(S("pbsji"), "pcbahntsje", 4, 4);
-    test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, S::npos);
-    test(S("eqmpa"), "", 5, 4);
-    test(S("omigs"), "kocgb", 5, 4);
-    test(S("onmje"), "fbslrjiqkm", 5, 4);
-    test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
-    test(S("schfa"), "", 6, 4);
-    test(S("igdsc"), "qngpd", 6, 4);
-    test(S("brqgo"), "rodhqklgmb", 6, S::npos);
-    test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
-    test(S("hcjitbfapl"), "", 0, 0);
-    test(S("daiprenocl"), "ashjd", 0, S::npos);
-    test(S("litpcfdghe"), "mgojkldsqh", 0, S::npos);
-    test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, S::npos);
-    test(S("qpghtfbaji"), "", 1, 1);
-    test(S("gfshlcmdjr"), "nadkh", 1, 1);
-    test(S("nkodajteqp"), "ofdrqmkebl", 1, 0);
-    test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, S::npos);
-    test(S("crnklpmegd"), "", 5, 5);
-    test(S("jsbtafedoc"), "prqgn", 5, 5);
-    test(S("qnmodrtkeb"), "pejafmnokr", 5, 4);
-    test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, S::npos);
-    test(S("lmofqdhpki"), "", 9, 9);
-    test(S("hnefkqimca"), "rtjpa", 9, 8);
-    test(S("drtasbgmfp"), "ktsrmnqagd", 9, 9);
-    test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, S::npos);
-    test(S("elgofjmbrq"), "", 10, 9);
-    test(S("mjqdgalkpc"), "dplqa", 10, 9);
-    test(S("kthqnfcerm"), "dkacjoptns", 10, 9);
-    test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
-    test(S("eqsgalomhb"), "", 11, 9);
-    test(S("akiteljmoh"), "lofbc", 11, 9);
-    test(S("hlbdfreqjo"), "astoegbfpn", 11, 8);
-    test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), "", 0, 0);
-    test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 0);
-    test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, S::npos);
-    test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, S::npos);
-    test(S("jlnkraeodhcspfgbqitm"), "", 1, 1);
-    test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 1);
-    test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 0);
-    test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, S::npos);
-    test(S("hdpkobnsalmcfijregtq"), "", 10, 10);
-    test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 9);
-    test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 9);
-    test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, S::npos);
-    test(S("niptglfbosehkamrdqcj"), "", 19, 19);
-    test(S("copqdhstbingamjfkler"), "djkqc", 19, 19);
-    test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 16);
-    test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, S::npos);
-    test(S("eaintpchlqsbdgrkjofm"), "", 20, 19);
-    test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, 18);
-    test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, 19);
-    test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), "", 21, 19);
-    test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, 19);
-    test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, 19);
-    test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
+void test0() {
+  test(S(""), "", 0, S::npos);
+  test(S(""), "laenf", 0, S::npos);
+  test(S(""), "pqlnkmbdjo", 0, S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
+  test(S(""), "", 1, S::npos);
+  test(S(""), "bjaht", 1, S::npos);
+  test(S(""), "hjlcmgpket", 1, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
+  test(S("fodgq"), "", 0, 0);
+  test(S("qanej"), "dfkap", 0, 0);
+  test(S("clbao"), "ihqrfebgad", 0, 0);
+  test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, S::npos);
+  test(S("srdfq"), "", 1, 1);
+  test(S("oemth"), "ikcrq", 1, 1);
+  test(S("cdaih"), "dmajblfhsg", 1, 0);
+  test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, S::npos);
+  test(S("cshmd"), "", 2, 2);
+  test(S("lhcdo"), "oebqi", 2, 2);
+  test(S("qnsoh"), "kojhpmbsfe", 2, 1);
+  test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, S::npos);
+  test(S("fmtsp"), "", 4, 4);
+  test(S("khbpm"), "aobjd", 4, 4);
+  test(S("pbsji"), "pcbahntsje", 4, 4);
+  test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, S::npos);
+  test(S("eqmpa"), "", 5, 4);
+  test(S("omigs"), "kocgb", 5, 4);
+  test(S("onmje"), "fbslrjiqkm", 5, 4);
+  test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, S::npos);
+  test(S("schfa"), "", 6, 4);
+  test(S("igdsc"), "qngpd", 6, 4);
+  test(S("brqgo"), "rodhqklgmb", 6, S::npos);
+  test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, S::npos);
+  test(S("hcjitbfapl"), "", 0, 0);
+  test(S("daiprenocl"), "ashjd", 0, S::npos);
+  test(S("litpcfdghe"), "mgojkldsqh", 0, S::npos);
+  test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, S::npos);
+  test(S("qpghtfbaji"), "", 1, 1);
+  test(S("gfshlcmdjr"), "nadkh", 1, 1);
+  test(S("nkodajteqp"), "ofdrqmkebl", 1, 0);
+  test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, S::npos);
+  test(S("crnklpmegd"), "", 5, 5);
+  test(S("jsbtafedoc"), "prqgn", 5, 5);
+  test(S("qnmodrtkeb"), "pejafmnokr", 5, 4);
+  test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, S::npos);
+  test(S("lmofqdhpki"), "", 9, 9);
+  test(S("hnefkqimca"), "rtjpa", 9, 8);
+  test(S("drtasbgmfp"), "ktsrmnqagd", 9, 9);
+  test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, S::npos);
+  test(S("elgofjmbrq"), "", 10, 9);
+  test(S("mjqdgalkpc"), "dplqa", 10, 9);
+  test(S("kthqnfcerm"), "dkacjoptns", 10, 9);
+  test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, S::npos);
+  test(S("eqsgalomhb"), "", 11, 9);
+  test(S("akiteljmoh"), "lofbc", 11, 9);
+  test(S("hlbdfreqjo"), "astoegbfpn", 11, 8);
+  test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), "", 0, 0);
+  test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, 0);
+  test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, S::npos);
+  test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, S::npos);
+  test(S("jlnkraeodhcspfgbqitm"), "", 1, 1);
+  test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, 1);
+  test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 0);
+  test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, S::npos);
+  test(S("hdpkobnsalmcfijregtq"), "", 10, 10);
+  test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 9);
+  test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 9);
+  test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, S::npos);
+  test(S("niptglfbosehkamrdqcj"), "", 19, 19);
+  test(S("copqdhstbingamjfkler"), "djkqc", 19, 19);
+  test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 16);
+  test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, S::npos);
+  test(S("eaintpchlqsbdgrkjofm"), "", 20, 19);
+  test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, 18);
+  test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, 19);
+  test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), "", 21, 19);
+  test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, 19);
+  test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, 19);
+  test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", S::npos);
-    test(S(""), "laenf", S::npos);
-    test(S(""), "pqlnkmbdjo", S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", S::npos);
-    test(S("nhmko"), "", 4);
-    test(S("lahfb"), "irkhs", 4);
-    test(S("gmfhd"), "kantesmpgj", 4);
-    test(S("odaft"), "oknlrstdpiqmjbaghcfe", S::npos);
-    test(S("eolhfgpjqk"), "", 9);
-    test(S("nbatdlmekr"), "bnrpe", 8);
-    test(S("jdmciepkaq"), "jtdaefblso", 9);
-    test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", S::npos);
-    test(S("gprdcokbnjhlsfmtieqa"), "", 19);
-    test(S("qjghlnftcaismkropdeb"), "bjaht", 18);
-    test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 17);
-    test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", S::npos);
+void test1() {
+  test(S(""), "", S::npos);
+  test(S(""), "laenf", S::npos);
+  test(S(""), "pqlnkmbdjo", S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", S::npos);
+  test(S("nhmko"), "", 4);
+  test(S("lahfb"), "irkhs", 4);
+  test(S("gmfhd"), "kantesmpgj", 4);
+  test(S("odaft"), "oknlrstdpiqmjbaghcfe", S::npos);
+  test(S("eolhfgpjqk"), "", 9);
+  test(S("nbatdlmekr"), "bnrpe", 8);
+  test(S("jdmciepkaq"), "jtdaefblso", 9);
+  test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", S::npos);
+  test(S("gprdcokbnjhlsfmtieqa"), "", 19);
+  test(S("qjghlnftcaismkropdeb"), "bjaht", 18);
+  test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 17);
+  test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_not_of( "",      0) == SV::npos, "" );
-    static_assert (sv1.find_last_not_of( "irkhs", 5) == SV::npos, "" );
-    static_assert (sv2.find_last_not_of( "",      0) == 0, "" );
-    static_assert (sv2.find_last_not_of( "gfsrt", 5) == 4, "" );
-    static_assert (sv2.find_last_not_of( "lecar", 5) == 3, "" );
-    }
+    static_assert(sv1.find_last_not_of("", 0) == SV::npos, "");
+    static_assert(sv1.find_last_not_of("irkhs", 5) == SV::npos, "");
+    static_assert(sv2.find_last_not_of("", 0) == 0, "");
+    static_assert(sv2.find_last_not_of("gfsrt", 5) == 4, "");
+    static_assert(sv2.find_last_not_of("lecar", 5) == 3, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_pointer_size_size.pass.cpp
@@ -19,378 +19,374 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos, n));
-    assert(s.find_last_not_of(str, pos, n) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos, n));
+  assert(s.find_last_not_of(str, pos, n) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, S::npos);
-    test(S(""), "irkhs", 0, 0, S::npos);
-    test(S(""), "kante", 0, 1, S::npos);
-    test(S(""), "oknlr", 0, 2, S::npos);
-    test(S(""), "pcdro", 0, 4, S::npos);
-    test(S(""), "bnrpe", 0, 5, S::npos);
-    test(S(""), "jtdaefblso", 0, 0, S::npos);
-    test(S(""), "oselktgbca", 0, 1, S::npos);
-    test(S(""), "eqgaplhckj", 0, 5, S::npos);
-    test(S(""), "bjahtcmnlp", 0, 9, S::npos);
-    test(S(""), "hjlcmgpket", 0, 10, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
-    test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
-    test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
-    test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
-    test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
-    test(S(""), "", 1, 0, S::npos);
-    test(S(""), "lbtqd", 1, 0, S::npos);
-    test(S(""), "tboim", 1, 1, S::npos);
-    test(S(""), "slcer", 1, 2, S::npos);
-    test(S(""), "cbjfs", 1, 4, S::npos);
-    test(S(""), "aqibs", 1, 5, S::npos);
-    test(S(""), "gtfblmqinc", 1, 0, S::npos);
-    test(S(""), "mkqpbtdalg", 1, 1, S::npos);
-    test(S(""), "kphatlimcd", 1, 5, S::npos);
-    test(S(""), "pblasqogic", 1, 9, S::npos);
-    test(S(""), "arosdhcfme", 1, 10, S::npos);
-    test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
-    test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
-    test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
-    test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
-    test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
-    test(S("eaint"), "", 0, 0, 0);
-    test(S("binja"), "gfsrt", 0, 0, 0);
-    test(S("latkm"), "pfsoc", 0, 1, 0);
-    test(S("lecfr"), "tpflm", 0, 2, 0);
-    test(S("eqkst"), "sgkec", 0, 4, S::npos);
-    test(S("cdafr"), "romds", 0, 5, 0);
-    test(S("prbhe"), "qhjistlgmr", 0, 0, 0);
-    test(S("lbisk"), "pedfirsglo", 0, 1, 0);
-    test(S("hrlpd"), "aqcoslgrmk", 0, 5, 0);
-    test(S("ehmja"), "dabckmepqj", 0, 9, S::npos);
-    test(S("mhqgd"), "pqscrjthli", 0, 10, 0);
-    test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, 0);
-    test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, 0);
-    test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, 0);
-    test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, S::npos);
-    test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, S::npos);
-    test(S("clrgb"), "", 1, 0, 1);
-    test(S("tjmek"), "osmia", 1, 0, 1);
-    test(S("bgstp"), "ckonl", 1, 1, 1);
-    test(S("hstrk"), "ilcaj", 1, 2, 1);
-    test(S("kmspj"), "lasiq", 1, 4, 1);
-    test(S("tjboh"), "kfqmr", 1, 5, 1);
-    test(S("ilbcj"), "klnitfaobg", 1, 0, 1);
-    test(S("jkngf"), "gjhmdlqikp", 1, 1, 1);
-    test(S("gfcql"), "skbgtahqej", 1, 5, 1);
-    test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 1);
-    test(S("bthpg"), "bjgfmnlkio", 1, 10, 1);
-    test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, 1);
-    test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, 1);
-    test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, S::npos);
-    test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, S::npos);
-    test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, S::npos);
-    test(S("ndrhl"), "", 2, 0, 2);
-    test(S("mrecp"), "otkgb", 2, 0, 2);
-    test(S("qlasf"), "cqsjl", 2, 1, 2);
-    test(S("smaqd"), "dpifl", 2, 2, 2);
-    test(S("hjeni"), "oapht", 2, 4, 2);
-    test(S("ocmfj"), "cifts", 2, 5, 2);
-    test(S("hmftq"), "nmsckbgalo", 2, 0, 2);
-    test(S("fklad"), "tpksqhamle", 2, 1, 2);
-    test(S("dirnm"), "tpdrchmkji", 2, 5, 1);
-    test(S("hrgdc"), "ijagfkblst", 2, 9, 1);
-    test(S("ifakg"), "kpocsignjb", 2, 10, 2);
-    test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, 2);
-    test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, 2);
-    test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 2);
-    test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, S::npos);
-    test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, S::npos);
-    test(S("cjgao"), "", 4, 0, 4);
-    test(S("kjplq"), "mabns", 4, 0, 4);
-    test(S("herni"), "bdnrp", 4, 1, 4);
-    test(S("tadrb"), "scidp", 4, 2, 4);
-    test(S("pkfeo"), "agbjl", 4, 4, 4);
-    test(S("hoser"), "jfmpr", 4, 5, 3);
-    test(S("kgrsp"), "rbpefghsmj", 4, 0, 4);
-    test(S("pgejb"), "apsfntdoqc", 4, 1, 4);
-    test(S("thlnq"), "ndkjeisgcl", 4, 5, 4);
-    test(S("nbmit"), "rnfpqatdeo", 4, 9, 3);
-    test(S("jgmib"), "bntjlqrfik", 4, 10, 2);
-    test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, 4);
-    test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, 4);
-    test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 3);
-    test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 2);
-    test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, S::npos);
-    test(S("klopi"), "", 5, 0, 4);
-    test(S("dajhn"), "psthd", 5, 0, 4);
-    test(S("jbgno"), "rpmjd", 5, 1, 4);
-    test(S("hkjae"), "dfsmk", 5, 2, 4);
+void test0() {
+  test(S(""), "", 0, 0, S::npos);
+  test(S(""), "irkhs", 0, 0, S::npos);
+  test(S(""), "kante", 0, 1, S::npos);
+  test(S(""), "oknlr", 0, 2, S::npos);
+  test(S(""), "pcdro", 0, 4, S::npos);
+  test(S(""), "bnrpe", 0, 5, S::npos);
+  test(S(""), "jtdaefblso", 0, 0, S::npos);
+  test(S(""), "oselktgbca", 0, 1, S::npos);
+  test(S(""), "eqgaplhckj", 0, 5, S::npos);
+  test(S(""), "bjahtcmnlp", 0, 9, S::npos);
+  test(S(""), "hjlcmgpket", 0, 10, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
+  test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
+  test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
+  test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
+  test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
+  test(S(""), "", 1, 0, S::npos);
+  test(S(""), "lbtqd", 1, 0, S::npos);
+  test(S(""), "tboim", 1, 1, S::npos);
+  test(S(""), "slcer", 1, 2, S::npos);
+  test(S(""), "cbjfs", 1, 4, S::npos);
+  test(S(""), "aqibs", 1, 5, S::npos);
+  test(S(""), "gtfblmqinc", 1, 0, S::npos);
+  test(S(""), "mkqpbtdalg", 1, 1, S::npos);
+  test(S(""), "kphatlimcd", 1, 5, S::npos);
+  test(S(""), "pblasqogic", 1, 9, S::npos);
+  test(S(""), "arosdhcfme", 1, 10, S::npos);
+  test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
+  test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
+  test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
+  test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
+  test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
+  test(S("eaint"), "", 0, 0, 0);
+  test(S("binja"), "gfsrt", 0, 0, 0);
+  test(S("latkm"), "pfsoc", 0, 1, 0);
+  test(S("lecfr"), "tpflm", 0, 2, 0);
+  test(S("eqkst"), "sgkec", 0, 4, S::npos);
+  test(S("cdafr"), "romds", 0, 5, 0);
+  test(S("prbhe"), "qhjistlgmr", 0, 0, 0);
+  test(S("lbisk"), "pedfirsglo", 0, 1, 0);
+  test(S("hrlpd"), "aqcoslgrmk", 0, 5, 0);
+  test(S("ehmja"), "dabckmepqj", 0, 9, S::npos);
+  test(S("mhqgd"), "pqscrjthli", 0, 10, 0);
+  test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, 0);
+  test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, 0);
+  test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, 0);
+  test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, S::npos);
+  test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, S::npos);
+  test(S("clrgb"), "", 1, 0, 1);
+  test(S("tjmek"), "osmia", 1, 0, 1);
+  test(S("bgstp"), "ckonl", 1, 1, 1);
+  test(S("hstrk"), "ilcaj", 1, 2, 1);
+  test(S("kmspj"), "lasiq", 1, 4, 1);
+  test(S("tjboh"), "kfqmr", 1, 5, 1);
+  test(S("ilbcj"), "klnitfaobg", 1, 0, 1);
+  test(S("jkngf"), "gjhmdlqikp", 1, 1, 1);
+  test(S("gfcql"), "skbgtahqej", 1, 5, 1);
+  test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 1);
+  test(S("bthpg"), "bjgfmnlkio", 1, 10, 1);
+  test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, 1);
+  test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, 1);
+  test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, S::npos);
+  test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, S::npos);
+  test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, S::npos);
+  test(S("ndrhl"), "", 2, 0, 2);
+  test(S("mrecp"), "otkgb", 2, 0, 2);
+  test(S("qlasf"), "cqsjl", 2, 1, 2);
+  test(S("smaqd"), "dpifl", 2, 2, 2);
+  test(S("hjeni"), "oapht", 2, 4, 2);
+  test(S("ocmfj"), "cifts", 2, 5, 2);
+  test(S("hmftq"), "nmsckbgalo", 2, 0, 2);
+  test(S("fklad"), "tpksqhamle", 2, 1, 2);
+  test(S("dirnm"), "tpdrchmkji", 2, 5, 1);
+  test(S("hrgdc"), "ijagfkblst", 2, 9, 1);
+  test(S("ifakg"), "kpocsignjb", 2, 10, 2);
+  test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, 2);
+  test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, 2);
+  test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 2);
+  test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, S::npos);
+  test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, S::npos);
+  test(S("cjgao"), "", 4, 0, 4);
+  test(S("kjplq"), "mabns", 4, 0, 4);
+  test(S("herni"), "bdnrp", 4, 1, 4);
+  test(S("tadrb"), "scidp", 4, 2, 4);
+  test(S("pkfeo"), "agbjl", 4, 4, 4);
+  test(S("hoser"), "jfmpr", 4, 5, 3);
+  test(S("kgrsp"), "rbpefghsmj", 4, 0, 4);
+  test(S("pgejb"), "apsfntdoqc", 4, 1, 4);
+  test(S("thlnq"), "ndkjeisgcl", 4, 5, 4);
+  test(S("nbmit"), "rnfpqatdeo", 4, 9, 3);
+  test(S("jgmib"), "bntjlqrfik", 4, 10, 2);
+  test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, 4);
+  test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, 4);
+  test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 3);
+  test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 2);
+  test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, S::npos);
+  test(S("klopi"), "", 5, 0, 4);
+  test(S("dajhn"), "psthd", 5, 0, 4);
+  test(S("jbgno"), "rpmjd", 5, 1, 4);
+  test(S("hkjae"), "dfsmk", 5, 2, 4);
 }
 
 template <class S>
-void test1()
-{
-    test(S("gbhqo"), "skqne", 5, 4, 4);
-    test(S("ktdor"), "kipnf", 5, 5, 4);
-    test(S("ldprn"), "hmrnqdgifl", 5, 0, 4);
-    test(S("egmjk"), "fsmjcdairn", 5, 1, 4);
-    test(S("armql"), "pcdgltbrfj", 5, 5, 3);
-    test(S("cdhjo"), "aekfctpirg", 5, 9, 4);
-    test(S("jcons"), "ledihrsgpf", 5, 10, 3);
-    test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, 4);
-    test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, 4);
-    test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, 1);
-    test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, 2);
-    test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
-    test(S("gajqn"), "", 6, 0, 4);
-    test(S("stedk"), "hrnat", 6, 0, 4);
-    test(S("tjkaf"), "gsqdt", 6, 1, 4);
-    test(S("dthpe"), "bspkd", 6, 2, 4);
-    test(S("klhde"), "ohcmb", 6, 4, 4);
-    test(S("bhlki"), "heatr", 6, 5, 4);
-    test(S("lqmoh"), "pmblckedfn", 6, 0, 4);
-    test(S("mtqin"), "aceqmsrbik", 6, 1, 4);
-    test(S("dpqbr"), "lmbtdehjrn", 6, 5, 4);
-    test(S("kdhmo"), "teqmcrlgib", 6, 9, 4);
-    test(S("jblqp"), "njolbmspac", 6, 10, 3);
-    test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, 4);
-    test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, 4);
-    test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, 1);
-    test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
-    test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
-    test(S("jnkrfhotgl"), "", 0, 0, 0);
-    test(S("dltjfngbko"), "rqegt", 0, 0, 0);
-    test(S("bmjlpkiqde"), "dashm", 0, 1, 0);
-    test(S("skrflobnqm"), "jqirk", 0, 2, 0);
-    test(S("jkpldtshrm"), "rckeg", 0, 4, 0);
-    test(S("ghasdbnjqo"), "jscie", 0, 5, 0);
-    test(S("igrkhpbqjt"), "efsphndliq", 0, 0, 0);
-    test(S("ikthdgcamf"), "gdicosleja", 0, 1, 0);
-    test(S("pcofgeniam"), "qcpjibosfl", 0, 5, S::npos);
-    test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, S::npos);
-    test(S("itphbqsker"), "dtablcrseo", 0, 10, 0);
-    test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, 0);
-    test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, 0);
-    test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 0);
-    test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, S::npos);
-    test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, S::npos);
-    test(S("shbcqnmoar"), "", 1, 0, 1);
-    test(S("bdoshlmfin"), "ontrs", 1, 0, 1);
-    test(S("khfrebnsgq"), "pfkna", 1, 1, 1);
-    test(S("getcrsaoji"), "ekosa", 1, 2, 0);
-    test(S("fjiknedcpq"), "anqhk", 1, 4, 1);
-    test(S("tkejgnafrm"), "jekca", 1, 5, 0);
-    test(S("jnakolqrde"), "ikemsjgacf", 1, 0, 1);
-    test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, 1);
-    test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 0);
-    test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 1);
-    test(S("cigfqkated"), "sqcflrgtim", 1, 10, S::npos);
-    test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, 1);
-    test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, 1);
-    test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, S::npos);
-    test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, S::npos);
-    test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, S::npos);
-    test(S("ectnhskflp"), "", 5, 0, 5);
-    test(S("fgtianblpq"), "pijag", 5, 0, 5);
-    test(S("mfeqklirnh"), "jrckd", 5, 1, 5);
-    test(S("astedncjhk"), "qcloh", 5, 2, 5);
-    test(S("fhlqgcajbr"), "thlmp", 5, 4, 5);
-    test(S("epfhocmdng"), "qidmo", 5, 5, 5);
-    test(S("apcnsibger"), "lnegpsjqrd", 5, 0, 5);
-    test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 4);
-    test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 5);
-    test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 3);
-    test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 5);
-    test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, 5);
-    test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, 5);
-    test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 1);
-    test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, S::npos);
-    test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, S::npos);
-    test(S("shoiedtcjb"), "", 9, 0, 9);
-    test(S("ebcinjgads"), "tqbnh", 9, 0, 9);
-    test(S("dqmregkcfl"), "akmle", 9, 1, 9);
-    test(S("ngcrieqajf"), "iqfkm", 9, 2, 9);
-    test(S("qosmilgnjb"), "tqjsr", 9, 4, 9);
-    test(S("ikabsjtdfl"), "jplqg", 9, 5, 8);
-    test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, 9);
-    test(S("fdnplotmgh"), "morkglpesn", 9, 1, 9);
-    test(S("fdbicojerm"), "dmicerngat", 9, 5, 8);
-    test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 9);
-    test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 9);
-    test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, 9);
-    test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 9);
-    test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 9);
-    test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 3);
-    test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, S::npos);
-    test(S("ncjpmaekbs"), "", 10, 0, 9);
-    test(S("hlbosgmrak"), "hpmsd", 10, 0, 9);
-    test(S("pqfhsgilen"), "qnpor", 10, 1, 9);
-    test(S("gqtjsbdckh"), "otdma", 10, 2, 9);
-    test(S("cfkqpjlegi"), "efhjg", 10, 4, 9);
-    test(S("beanrfodgj"), "odpte", 10, 5, 9);
-    test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, 9);
-    test(S("iomkfthagj"), "oaklidrbqg", 10, 1, 9);
+void test1() {
+  test(S("gbhqo"), "skqne", 5, 4, 4);
+  test(S("ktdor"), "kipnf", 5, 5, 4);
+  test(S("ldprn"), "hmrnqdgifl", 5, 0, 4);
+  test(S("egmjk"), "fsmjcdairn", 5, 1, 4);
+  test(S("armql"), "pcdgltbrfj", 5, 5, 3);
+  test(S("cdhjo"), "aekfctpirg", 5, 9, 4);
+  test(S("jcons"), "ledihrsgpf", 5, 10, 3);
+  test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, 4);
+  test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, 4);
+  test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, 1);
+  test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, 2);
+  test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, S::npos);
+  test(S("gajqn"), "", 6, 0, 4);
+  test(S("stedk"), "hrnat", 6, 0, 4);
+  test(S("tjkaf"), "gsqdt", 6, 1, 4);
+  test(S("dthpe"), "bspkd", 6, 2, 4);
+  test(S("klhde"), "ohcmb", 6, 4, 4);
+  test(S("bhlki"), "heatr", 6, 5, 4);
+  test(S("lqmoh"), "pmblckedfn", 6, 0, 4);
+  test(S("mtqin"), "aceqmsrbik", 6, 1, 4);
+  test(S("dpqbr"), "lmbtdehjrn", 6, 5, 4);
+  test(S("kdhmo"), "teqmcrlgib", 6, 9, 4);
+  test(S("jblqp"), "njolbmspac", 6, 10, 3);
+  test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, 4);
+  test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, 4);
+  test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, 1);
+  test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, S::npos);
+  test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, S::npos);
+  test(S("jnkrfhotgl"), "", 0, 0, 0);
+  test(S("dltjfngbko"), "rqegt", 0, 0, 0);
+  test(S("bmjlpkiqde"), "dashm", 0, 1, 0);
+  test(S("skrflobnqm"), "jqirk", 0, 2, 0);
+  test(S("jkpldtshrm"), "rckeg", 0, 4, 0);
+  test(S("ghasdbnjqo"), "jscie", 0, 5, 0);
+  test(S("igrkhpbqjt"), "efsphndliq", 0, 0, 0);
+  test(S("ikthdgcamf"), "gdicosleja", 0, 1, 0);
+  test(S("pcofgeniam"), "qcpjibosfl", 0, 5, S::npos);
+  test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, S::npos);
+  test(S("itphbqsker"), "dtablcrseo", 0, 10, 0);
+  test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, 0);
+  test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, 0);
+  test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, 0);
+  test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, S::npos);
+  test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, S::npos);
+  test(S("shbcqnmoar"), "", 1, 0, 1);
+  test(S("bdoshlmfin"), "ontrs", 1, 0, 1);
+  test(S("khfrebnsgq"), "pfkna", 1, 1, 1);
+  test(S("getcrsaoji"), "ekosa", 1, 2, 0);
+  test(S("fjiknedcpq"), "anqhk", 1, 4, 1);
+  test(S("tkejgnafrm"), "jekca", 1, 5, 0);
+  test(S("jnakolqrde"), "ikemsjgacf", 1, 0, 1);
+  test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, 1);
+  test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 0);
+  test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 1);
+  test(S("cigfqkated"), "sqcflrgtim", 1, 10, S::npos);
+  test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, 1);
+  test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, 1);
+  test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, S::npos);
+  test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, S::npos);
+  test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, S::npos);
+  test(S("ectnhskflp"), "", 5, 0, 5);
+  test(S("fgtianblpq"), "pijag", 5, 0, 5);
+  test(S("mfeqklirnh"), "jrckd", 5, 1, 5);
+  test(S("astedncjhk"), "qcloh", 5, 2, 5);
+  test(S("fhlqgcajbr"), "thlmp", 5, 4, 5);
+  test(S("epfhocmdng"), "qidmo", 5, 5, 5);
+  test(S("apcnsibger"), "lnegpsjqrd", 5, 0, 5);
+  test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 4);
+  test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, 5);
+  test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 3);
+  test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 5);
+  test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, 5);
+  test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, 5);
+  test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 1);
+  test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, S::npos);
+  test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, S::npos);
+  test(S("shoiedtcjb"), "", 9, 0, 9);
+  test(S("ebcinjgads"), "tqbnh", 9, 0, 9);
+  test(S("dqmregkcfl"), "akmle", 9, 1, 9);
+  test(S("ngcrieqajf"), "iqfkm", 9, 2, 9);
+  test(S("qosmilgnjb"), "tqjsr", 9, 4, 9);
+  test(S("ikabsjtdfl"), "jplqg", 9, 5, 8);
+  test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, 9);
+  test(S("fdnplotmgh"), "morkglpesn", 9, 1, 9);
+  test(S("fdbicojerm"), "dmicerngat", 9, 5, 8);
+  test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 9);
+  test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 9);
+  test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, 9);
+  test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 9);
+  test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 9);
+  test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 3);
+  test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, S::npos);
+  test(S("ncjpmaekbs"), "", 10, 0, 9);
+  test(S("hlbosgmrak"), "hpmsd", 10, 0, 9);
+  test(S("pqfhsgilen"), "qnpor", 10, 1, 9);
+  test(S("gqtjsbdckh"), "otdma", 10, 2, 9);
+  test(S("cfkqpjlegi"), "efhjg", 10, 4, 9);
+  test(S("beanrfodgj"), "odpte", 10, 5, 9);
+  test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, 9);
+  test(S("iomkfthagj"), "oaklidrbqg", 10, 1, 9);
 }
 
 template <class S>
-void test2()
-{
-    test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, 8);
-    test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, 9);
-    test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, 8);
-    test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, 9);
-    test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, 9);
-    test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, 7);
-    test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, 5);
-    test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
-    test(S("cqjohampgd"), "", 11, 0, 9);
-    test(S("hobitmpsan"), "aocjb", 11, 0, 9);
-    test(S("tjehkpsalm"), "jbrnk", 11, 1, 9);
-    test(S("ngfbojitcl"), "tqedg", 11, 2, 9);
-    test(S("rcfkdbhgjo"), "nqskp", 11, 4, 9);
-    test(S("qghptonrea"), "eaqkl", 11, 5, 7);
-    test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, 9);
-    test(S("hlmgabenti"), "lsftgajqpm", 11, 1, 9);
-    test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, 9);
-    test(S("jqedtkornm"), "shkncmiaqj", 11, 9, 7);
-    test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, 8);
-    test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, 9);
-    test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, 9);
-    test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, 8);
-    test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
-    test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
-    test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, 0);
-    test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, 0);
-    test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 0);
-    test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 0);
-    test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 0);
-    test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 0);
-    test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, 0);
-    test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 0);
-    test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 0);
-    test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 0);
-    test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 0);
-    test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, 0);
-    test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 0);
-    test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 0);
-    test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, S::npos);
-    test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, S::npos);
-    test(S("febhmqtjanokscdirpgl"), "", 1, 0, 1);
-    test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, 1);
-    test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 1);
-    test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 0);
-    test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 0);
-    test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 1);
-    test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, 1);
-    test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 1);
-    test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 1);
-    test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 0);
-    test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 0);
-    test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, 1);
-    test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 1);
-    test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 0);
-    test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, S::npos);
-    test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, S::npos);
-    test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, 10);
-    test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, 10);
-    test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 10);
-    test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 10);
-    test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 9);
-    test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 10);
-    test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, 10);
-    test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 10);
-    test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 10);
-    test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 8);
-    test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 10);
-    test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, 10);
-    test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 10);
-    test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 8);
-    test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, S::npos);
-    test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, S::npos);
-    test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, 19);
-    test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, 19);
-    test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 19);
-    test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 19);
-    test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 19);
-    test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 17);
-    test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, 19);
-    test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 19);
-    test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 19);
-    test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 19);
-    test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 19);
-    test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, 19);
-    test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 19);
-    test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 18);
-    test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 7);
-    test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, S::npos);
-    test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, 19);
-    test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, 19);
-    test(S("grkpahljcftesdmonqib"), "odife", 20, 1, 19);
-    test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, 19);
-    test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, 18);
-    test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, 18);
-    test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, 19);
-    test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, 19);
-    test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, 18);
-    test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, 18);
-    test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, 17);
-    test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, 19);
+void test2() {
+  test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, 8);
+  test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, 9);
+  test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, 8);
+  test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, 9);
+  test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, 9);
+  test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, 7);
+  test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, 5);
+  test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, S::npos);
+  test(S("cqjohampgd"), "", 11, 0, 9);
+  test(S("hobitmpsan"), "aocjb", 11, 0, 9);
+  test(S("tjehkpsalm"), "jbrnk", 11, 1, 9);
+  test(S("ngfbojitcl"), "tqedg", 11, 2, 9);
+  test(S("rcfkdbhgjo"), "nqskp", 11, 4, 9);
+  test(S("qghptonrea"), "eaqkl", 11, 5, 7);
+  test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, 9);
+  test(S("hlmgabenti"), "lsftgajqpm", 11, 1, 9);
+  test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, 9);
+  test(S("jqedtkornm"), "shkncmiaqj", 11, 9, 7);
+  test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, 8);
+  test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, 9);
+  test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, 9);
+  test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, 8);
+  test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, S::npos);
+  test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, S::npos);
+  test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, 0);
+  test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, 0);
+  test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, 0);
+  test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, 0);
+  test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, 0);
+  test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, 0);
+  test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, 0);
+  test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, 0);
+  test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, 0);
+  test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, 0);
+  test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, 0);
+  test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, 0);
+  test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, 0);
+  test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, 0);
+  test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, S::npos);
+  test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, S::npos);
+  test(S("febhmqtjanokscdirpgl"), "", 1, 0, 1);
+  test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, 1);
+  test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, 1);
+  test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 0);
+  test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 0);
+  test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, 1);
+  test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, 1);
+  test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, 1);
+  test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, 1);
+  test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 0);
+  test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 0);
+  test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, 1);
+  test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, 1);
+  test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 0);
+  test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, S::npos);
+  test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, S::npos);
+  test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, 10);
+  test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, 10);
+  test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, 10);
+  test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 10);
+  test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 9);
+  test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 10);
+  test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, 10);
+  test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 10);
+  test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 10);
+  test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 8);
+  test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 10);
+  test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, 10);
+  test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, 10);
+  test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 8);
+  test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, S::npos);
+  test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, S::npos);
+  test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, 19);
+  test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, 19);
+  test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 19);
+  test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 19);
+  test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 19);
+  test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 17);
+  test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, 19);
+  test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 19);
+  test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 19);
+  test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 19);
+  test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 19);
+  test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, 19);
+  test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 19);
+  test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 18);
+  test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 7);
+  test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, S::npos);
+  test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, 19);
+  test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, 19);
+  test(S("grkpahljcftesdmonqib"), "odife", 20, 1, 19);
+  test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, 19);
+  test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, 18);
+  test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, 18);
+  test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, 19);
+  test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, 19);
+  test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, 18);
+  test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, 18);
+  test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, 17);
+  test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, 19);
 }
 
 template <class S>
-void test3()
-{
-    test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, 19);
-    test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, 19);
-    test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, 1);
-    test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
-    test(S("ecgdanriptblhjfqskom"), "", 21, 0, 19);
-    test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, 19);
-    test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, 19);
-    test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, 19);
-    test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, 19);
-    test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, 19);
-    test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, 19);
-    test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, 19);
-    test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, 18);
-    test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, 19);
-    test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, 19);
-    test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, 19);
-    test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, 19);
-    test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, 19);
-    test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, 7);
-    test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
+void test3() {
+  test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, 19);
+  test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, 19);
+  test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, 1);
+  test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, S::npos);
+  test(S("ecgdanriptblhjfqskom"), "", 21, 0, 19);
+  test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, 19);
+  test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, 19);
+  test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, 19);
+  test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, 19);
+  test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, 19);
+  test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, 19);
+  test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, 19);
+  test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, 18);
+  test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, 19);
+  test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, 19);
+  test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, 19);
+  test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, 19);
+  test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, 19);
+  test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, 7);
+  test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_not_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv1.find_last_not_of( "irkhs", 0, 5) == SV::npos, "" );
-    static_assert (sv2.find_last_not_of( "",      0, 0) == 0, "" );
-    static_assert (sv2.find_last_not_of( "gfsrt", 5, 0) == 4, "" );
-    static_assert (sv2.find_last_not_of( "lecar", 5, 0) == 4, "" );
-    }
+    static_assert(sv1.find_last_not_of("", 0, 0) == SV::npos, "");
+    static_assert(sv1.find_last_not_of("irkhs", 0, 5) == SV::npos, "");
+    static_assert(sv2.find_last_not_of("", 0, 0) == 0, "");
+    static_assert(sv2.find_last_not_of("gfsrt", 5, 0) == 4, "");
+    static_assert(sv2.find_last_not_of("lecar", 5, 0) == 4, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_not_of_string_view_size.pass.cpp
@@ -18,138 +18,131 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos));
-    assert(s.find_last_not_of(str, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str, pos));
+  assert(s.find_last_not_of(str, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str));
-    assert(s.find_last_not_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_not_of(str));
+  assert(s.find_last_not_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, S::npos);
-    test(S(""), S("laenf"), 0, S::npos);
-    test(S(""), S("pqlnkmbdjo"), 0, S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
-    test(S(""), S(""), 1, S::npos);
-    test(S(""), S("bjaht"), 1, S::npos);
-    test(S(""), S("hjlcmgpket"), 1, S::npos);
-    test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
-    test(S("fodgq"), S(""), 0, 0);
-    test(S("qanej"), S("dfkap"), 0, 0);
-    test(S("clbao"), S("ihqrfebgad"), 0, 0);
-    test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, S::npos);
-    test(S("srdfq"), S(""), 1, 1);
-    test(S("oemth"), S("ikcrq"), 1, 1);
-    test(S("cdaih"), S("dmajblfhsg"), 1, 0);
-    test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, S::npos);
-    test(S("cshmd"), S(""), 2, 2);
-    test(S("lhcdo"), S("oebqi"), 2, 2);
-    test(S("qnsoh"), S("kojhpmbsfe"), 2, 1);
-    test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, S::npos);
-    test(S("fmtsp"), S(""), 4, 4);
-    test(S("khbpm"), S("aobjd"), 4, 4);
-    test(S("pbsji"), S("pcbahntsje"), 4, 4);
-    test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, S::npos);
-    test(S("eqmpa"), S(""), 5, 4);
-    test(S("omigs"), S("kocgb"), 5, 4);
-    test(S("onmje"), S("fbslrjiqkm"), 5, 4);
-    test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
-    test(S("schfa"), S(""), 6, 4);
-    test(S("igdsc"), S("qngpd"), 6, 4);
-    test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
-    test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
-    test(S("hcjitbfapl"), S(""), 0, 0);
-    test(S("daiprenocl"), S("ashjd"), 0, S::npos);
-    test(S("litpcfdghe"), S("mgojkldsqh"), 0, S::npos);
-    test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, S::npos);
-    test(S("qpghtfbaji"), S(""), 1, 1);
-    test(S("gfshlcmdjr"), S("nadkh"), 1, 1);
-    test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 0);
-    test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, S::npos);
-    test(S("crnklpmegd"), S(""), 5, 5);
-    test(S("jsbtafedoc"), S("prqgn"), 5, 5);
-    test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 4);
-    test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, S::npos);
-    test(S("lmofqdhpki"), S(""), 9, 9);
-    test(S("hnefkqimca"), S("rtjpa"), 9, 8);
-    test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 9);
-    test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, S::npos);
-    test(S("elgofjmbrq"), S(""), 10, 9);
-    test(S("mjqdgalkpc"), S("dplqa"), 10, 9);
-    test(S("kthqnfcerm"), S("dkacjoptns"), 10, 9);
-    test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
-    test(S("eqsgalomhb"), S(""), 11, 9);
-    test(S("akiteljmoh"), S("lofbc"), 11, 9);
-    test(S("hlbdfreqjo"), S("astoegbfpn"), 11, 8);
-    test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
-    test(S("snafbdlghrjkpqtoceim"), S(""), 0, 0);
-    test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 0);
-    test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, S::npos);
-    test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, S::npos);
-    test(S("jlnkraeodhcspfgbqitm"), S(""), 1, 1);
-    test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 1);
-    test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 0);
-    test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, S::npos);
-    test(S("hdpkobnsalmcfijregtq"), S(""), 10, 10);
-    test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 9);
-    test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 9);
-    test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, S::npos);
-    test(S("niptglfbosehkamrdqcj"), S(""), 19, 19);
-    test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 19);
-    test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 16);
-    test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, S::npos);
-    test(S("eaintpchlqsbdgrkjofm"), S(""), 20, 19);
-    test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, 18);
-    test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, 19);
-    test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
-    test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, 19);
-    test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, 19);
-    test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, 19);
-    test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
+void test0() {
+  test(S(""), S(""), 0, S::npos);
+  test(S(""), S("laenf"), 0, S::npos);
+  test(S(""), S("pqlnkmbdjo"), 0, S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
+  test(S(""), S(""), 1, S::npos);
+  test(S(""), S("bjaht"), 1, S::npos);
+  test(S(""), S("hjlcmgpket"), 1, S::npos);
+  test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
+  test(S("fodgq"), S(""), 0, 0);
+  test(S("qanej"), S("dfkap"), 0, 0);
+  test(S("clbao"), S("ihqrfebgad"), 0, 0);
+  test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, S::npos);
+  test(S("srdfq"), S(""), 1, 1);
+  test(S("oemth"), S("ikcrq"), 1, 1);
+  test(S("cdaih"), S("dmajblfhsg"), 1, 0);
+  test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, S::npos);
+  test(S("cshmd"), S(""), 2, 2);
+  test(S("lhcdo"), S("oebqi"), 2, 2);
+  test(S("qnsoh"), S("kojhpmbsfe"), 2, 1);
+  test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, S::npos);
+  test(S("fmtsp"), S(""), 4, 4);
+  test(S("khbpm"), S("aobjd"), 4, 4);
+  test(S("pbsji"), S("pcbahntsje"), 4, 4);
+  test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, S::npos);
+  test(S("eqmpa"), S(""), 5, 4);
+  test(S("omigs"), S("kocgb"), 5, 4);
+  test(S("onmje"), S("fbslrjiqkm"), 5, 4);
+  test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, S::npos);
+  test(S("schfa"), S(""), 6, 4);
+  test(S("igdsc"), S("qngpd"), 6, 4);
+  test(S("brqgo"), S("rodhqklgmb"), 6, S::npos);
+  test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, S::npos);
+  test(S("hcjitbfapl"), S(""), 0, 0);
+  test(S("daiprenocl"), S("ashjd"), 0, S::npos);
+  test(S("litpcfdghe"), S("mgojkldsqh"), 0, S::npos);
+  test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, S::npos);
+  test(S("qpghtfbaji"), S(""), 1, 1);
+  test(S("gfshlcmdjr"), S("nadkh"), 1, 1);
+  test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 0);
+  test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, S::npos);
+  test(S("crnklpmegd"), S(""), 5, 5);
+  test(S("jsbtafedoc"), S("prqgn"), 5, 5);
+  test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 4);
+  test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, S::npos);
+  test(S("lmofqdhpki"), S(""), 9, 9);
+  test(S("hnefkqimca"), S("rtjpa"), 9, 8);
+  test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 9);
+  test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, S::npos);
+  test(S("elgofjmbrq"), S(""), 10, 9);
+  test(S("mjqdgalkpc"), S("dplqa"), 10, 9);
+  test(S("kthqnfcerm"), S("dkacjoptns"), 10, 9);
+  test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, S::npos);
+  test(S("eqsgalomhb"), S(""), 11, 9);
+  test(S("akiteljmoh"), S("lofbc"), 11, 9);
+  test(S("hlbdfreqjo"), S("astoegbfpn"), 11, 8);
+  test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, S::npos);
+  test(S("snafbdlghrjkpqtoceim"), S(""), 0, 0);
+  test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, 0);
+  test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, S::npos);
+  test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, S::npos);
+  test(S("jlnkraeodhcspfgbqitm"), S(""), 1, 1);
+  test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, 1);
+  test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 0);
+  test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, S::npos);
+  test(S("hdpkobnsalmcfijregtq"), S(""), 10, 10);
+  test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 9);
+  test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 9);
+  test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, S::npos);
+  test(S("niptglfbosehkamrdqcj"), S(""), 19, 19);
+  test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 19);
+  test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 16);
+  test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, S::npos);
+  test(S("eaintpchlqsbdgrkjofm"), S(""), 20, 19);
+  test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, 18);
+  test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, 19);
+  test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, S::npos);
+  test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, 19);
+  test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, 19);
+  test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, 19);
+  test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), S::npos);
-    test(S(""), S("laenf"), S::npos);
-    test(S(""), S("pqlnkmbdjo"), S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
-    test(S("nhmko"), S(""), 4);
-    test(S("lahfb"), S("irkhs"), 4);
-    test(S("gmfhd"), S("kantesmpgj"), 4);
-    test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), S::npos);
-    test(S("eolhfgpjqk"), S(""), 9);
-    test(S("nbatdlmekr"), S("bnrpe"), 8);
-    test(S("jdmciepkaq"), S("jtdaefblso"), 9);
-    test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), S::npos);
-    test(S("gprdcokbnjhlsfmtieqa"), S(""), 19);
-    test(S("qjghlnftcaismkropdeb"), S("bjaht"), 18);
-    test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 17);
-    test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), S::npos);
+void test1() {
+  test(S(""), S(""), S::npos);
+  test(S(""), S("laenf"), S::npos);
+  test(S(""), S("pqlnkmbdjo"), S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
+  test(S("nhmko"), S(""), 4);
+  test(S("lahfb"), S("irkhs"), 4);
+  test(S("gmfhd"), S("kantesmpgj"), 4);
+  test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), S::npos);
+  test(S("eolhfgpjqk"), S(""), 9);
+  test(S("nbatdlmekr"), S("bnrpe"), 8);
+  test(S("jdmciepkaq"), S("jtdaefblso"), 9);
+  test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), S::npos);
+  test(S("gprdcokbnjhlsfmtieqa"), S(""), 19);
+  test(S("qjghlnftcaismkropdeb"), S("bjaht"), 18);
+  test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 17);
+  test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_char_size.pass.cpp
@@ -19,29 +19,23 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(c, pos));
-    assert(s.find_last_of(c, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(c, pos));
+  assert(s.find_last_of(c, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(c));
-    assert(s.find_last_of(c) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(c));
+  assert(s.find_last_of(c) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'm', 0, S::npos);
     test(S(""), 'm', 1, S::npos);
@@ -68,20 +62,20 @@
     test(S("csope"), 'm', S::npos);
     test(S("gfsmthlkon"), 'm', 3);
     test(S("laenfsbridchgotmkqpj"), 'm', 15);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_of( 'i', 0 ) == SV::npos, "" );
-    static_assert (sv1.find_last_of( 'i', 1 ) == SV::npos, "" );
-    static_assert (sv2.find_last_of( 'a', 0 ) == 0, "" );
-    static_assert (sv2.find_last_of( 'a', 1 ) == 0, "" );
-    static_assert (sv2.find_last_of( 'e', 5 ) == 4, "" );
-    }
+    static_assert(sv1.find_last_of('i', 0) == SV::npos, "");
+    static_assert(sv1.find_last_of('i', 1) == SV::npos, "");
+    static_assert(sv2.find_last_of('a', 0) == 0, "");
+    static_assert(sv2.find_last_of('a', 1) == 0, "");
+    static_assert(sv2.find_last_of('e', 5) == 4, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size.pass.cpp
@@ -19,152 +19,144 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos));
-    assert(s.find_last_of(str, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos));
+  assert(s.find_last_of(str, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str));
-    assert(s.find_last_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str));
+  assert(s.find_last_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, S::npos);
-    test(S(""), "laenf", 0, S::npos);
-    test(S(""), "pqlnkmbdjo", 0, S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
-    test(S(""), "", 1, S::npos);
-    test(S(""), "bjaht", 1, S::npos);
-    test(S(""), "hjlcmgpket", 1, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
-    test(S("fodgq"), "", 0, S::npos);
-    test(S("qanej"), "dfkap", 0, S::npos);
-    test(S("clbao"), "ihqrfebgad", 0, S::npos);
-    test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, 0);
-    test(S("srdfq"), "", 1, S::npos);
-    test(S("oemth"), "ikcrq", 1, S::npos);
-    test(S("cdaih"), "dmajblfhsg", 1, 1);
-    test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, 1);
-    test(S("cshmd"), "", 2, S::npos);
-    test(S("lhcdo"), "oebqi", 2, S::npos);
-    test(S("qnsoh"), "kojhpmbsfe", 2, 2);
-    test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, 2);
-    test(S("fmtsp"), "", 4, S::npos);
-    test(S("khbpm"), "aobjd", 4, 2);
-    test(S("pbsji"), "pcbahntsje", 4, 3);
-    test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, 4);
-    test(S("eqmpa"), "", 5, S::npos);
-    test(S("omigs"), "kocgb", 5, 3);
-    test(S("onmje"), "fbslrjiqkm", 5, 3);
-    test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, 4);
-    test(S("schfa"), "", 6, S::npos);
-    test(S("igdsc"), "qngpd", 6, 2);
-    test(S("brqgo"), "rodhqklgmb", 6, 4);
-    test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, 4);
-    test(S("hcjitbfapl"), "", 0, S::npos);
-    test(S("daiprenocl"), "ashjd", 0, 0);
-    test(S("litpcfdghe"), "mgojkldsqh", 0, 0);
-    test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, 0);
-    test(S("qpghtfbaji"), "", 1, S::npos);
-    test(S("gfshlcmdjr"), "nadkh", 1, S::npos);
-    test(S("nkodajteqp"), "ofdrqmkebl", 1, 1);
-    test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, 1);
-    test(S("crnklpmegd"), "", 5, S::npos);
-    test(S("jsbtafedoc"), "prqgn", 5, S::npos);
-    test(S("qnmodrtkeb"), "pejafmnokr", 5, 5);
-    test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, 5);
-    test(S("lmofqdhpki"), "", 9, S::npos);
-    test(S("hnefkqimca"), "rtjpa", 9, 9);
-    test(S("drtasbgmfp"), "ktsrmnqagd", 9, 7);
-    test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, 9);
-    test(S("elgofjmbrq"), "", 10, S::npos);
-    test(S("mjqdgalkpc"), "dplqa", 10, 8);
-    test(S("kthqnfcerm"), "dkacjoptns", 10, 6);
-    test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, 9);
-    test(S("eqsgalomhb"), "", 11, S::npos);
-    test(S("akiteljmoh"), "lofbc", 11, 8);
-    test(S("hlbdfreqjo"), "astoegbfpn", 11, 9);
-    test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, 9);
-    test(S("snafbdlghrjkpqtoceim"), "", 0, S::npos);
-    test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, S::npos);
-    test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 0);
-    test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, 0);
-    test(S("jlnkraeodhcspfgbqitm"), "", 1, S::npos);
-    test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, S::npos);
-    test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 1);
-    test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, 1);
-    test(S("hdpkobnsalmcfijregtq"), "", 10, S::npos);
-    test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 10);
-    test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 10);
-    test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, 10);
-    test(S("niptglfbosehkamrdqcj"), "", 19, S::npos);
-    test(S("copqdhstbingamjfkler"), "djkqc", 19, 16);
-    test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 19);
-    test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, 19);
-    test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, 19);
-    test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, 18);
-    test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, 19);
-    test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, 12);
-    test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, 17);
-    test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, 19);
+void test0() {
+  test(S(""), "", 0, S::npos);
+  test(S(""), "laenf", 0, S::npos);
+  test(S(""), "pqlnkmbdjo", 0, S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", 0, S::npos);
+  test(S(""), "", 1, S::npos);
+  test(S(""), "bjaht", 1, S::npos);
+  test(S(""), "hjlcmgpket", 1, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 1, S::npos);
+  test(S("fodgq"), "", 0, S::npos);
+  test(S("qanej"), "dfkap", 0, S::npos);
+  test(S("clbao"), "ihqrfebgad", 0, S::npos);
+  test(S("mekdn"), "ngtjfcalbseiqrphmkdo", 0, 0);
+  test(S("srdfq"), "", 1, S::npos);
+  test(S("oemth"), "ikcrq", 1, S::npos);
+  test(S("cdaih"), "dmajblfhsg", 1, 1);
+  test(S("qohtk"), "oqftjhdmkgsblacenirp", 1, 1);
+  test(S("cshmd"), "", 2, S::npos);
+  test(S("lhcdo"), "oebqi", 2, S::npos);
+  test(S("qnsoh"), "kojhpmbsfe", 2, 2);
+  test(S("pkrof"), "acbsjqogpltdkhinfrem", 2, 2);
+  test(S("fmtsp"), "", 4, S::npos);
+  test(S("khbpm"), "aobjd", 4, 2);
+  test(S("pbsji"), "pcbahntsje", 4, 3);
+  test(S("mprdj"), "fhepcrntkoagbmldqijs", 4, 4);
+  test(S("eqmpa"), "", 5, S::npos);
+  test(S("omigs"), "kocgb", 5, 3);
+  test(S("onmje"), "fbslrjiqkm", 5, 3);
+  test(S("oqmrj"), "jeidpcmalhfnqbgtrsko", 5, 4);
+  test(S("schfa"), "", 6, S::npos);
+  test(S("igdsc"), "qngpd", 6, 2);
+  test(S("brqgo"), "rodhqklgmb", 6, 4);
+  test(S("tnrph"), "thdjgafrlbkoiqcspmne", 6, 4);
+  test(S("hcjitbfapl"), "", 0, S::npos);
+  test(S("daiprenocl"), "ashjd", 0, 0);
+  test(S("litpcfdghe"), "mgojkldsqh", 0, 0);
+  test(S("aidjksrolc"), "imqnaghkfrdtlopbjesc", 0, 0);
+  test(S("qpghtfbaji"), "", 1, S::npos);
+  test(S("gfshlcmdjr"), "nadkh", 1, S::npos);
+  test(S("nkodajteqp"), "ofdrqmkebl", 1, 1);
+  test(S("gbmetiprqd"), "bdfjqgatlksriohemnpc", 1, 1);
+  test(S("crnklpmegd"), "", 5, S::npos);
+  test(S("jsbtafedoc"), "prqgn", 5, S::npos);
+  test(S("qnmodrtkeb"), "pejafmnokr", 5, 5);
+  test(S("cpebqsfmnj"), "odnqkgijrhabfmcestlp", 5, 5);
+  test(S("lmofqdhpki"), "", 9, S::npos);
+  test(S("hnefkqimca"), "rtjpa", 9, 9);
+  test(S("drtasbgmfp"), "ktsrmnqagd", 9, 7);
+  test(S("lsaijeqhtr"), "rtdhgcisbnmoaqkfpjle", 9, 9);
+  test(S("elgofjmbrq"), "", 10, S::npos);
+  test(S("mjqdgalkpc"), "dplqa", 10, 8);
+  test(S("kthqnfcerm"), "dkacjoptns", 10, 6);
+  test(S("dfsjhanorc"), "hqfimtrgnbekpdcsjalo", 10, 9);
+  test(S("eqsgalomhb"), "", 11, S::npos);
+  test(S("akiteljmoh"), "lofbc", 11, 8);
+  test(S("hlbdfreqjo"), "astoegbfpn", 11, 9);
+  test(S("taqobhlerg"), "pdgreqomsncafklhtibj", 11, 9);
+  test(S("snafbdlghrjkpqtoceim"), "", 0, S::npos);
+  test(S("aemtbrgcklhndjisfpoq"), "lbtqd", 0, S::npos);
+  test(S("pnracgfkjdiholtbqsem"), "tboimldpjh", 0, 0);
+  test(S("dicfltehbsgrmojnpkaq"), "slcerthdaiqjfnobgkpm", 0, 0);
+  test(S("jlnkraeodhcspfgbqitm"), "", 1, S::npos);
+  test(S("lhosrngtmfjikbqpcade"), "aqibs", 1, S::npos);
+  test(S("rbtaqjhgkneisldpmfoc"), "gtfblmqinc", 1, 1);
+  test(S("gpifsqlrdkbonjtmheca"), "mkqpbtdalgniorhfescj", 1, 1);
+  test(S("hdpkobnsalmcfijregtq"), "", 10, S::npos);
+  test(S("jtlshdgqaiprkbcoenfm"), "pblas", 10, 10);
+  test(S("fkdrbqltsgmcoiphneaj"), "arosdhcfme", 10, 10);
+  test(S("crsplifgtqedjohnabmk"), "blkhjeogicatqfnpdmsr", 10, 10);
+  test(S("niptglfbosehkamrdqcj"), "", 19, S::npos);
+  test(S("copqdhstbingamjfkler"), "djkqc", 19, 16);
+  test(S("mrtaefilpdsgocnhqbjk"), "lgokshjtpb", 19, 19);
+  test(S("kojatdhlcmigpbfrqnes"), "bqjhtkfepimcnsgrlado", 19, 19);
+  test(S("eaintpchlqsbdgrkjofm"), "", 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), "nocfa", 20, 19);
+  test(S("spocfaktqdbiejlhngmr"), "bgtajmiedc", 20, 18);
+  test(S("rphmlekgfscndtaobiqj"), "lsckfnqgdahejiopbtmr", 20, 19);
+  test(S("liatsqdoegkmfcnbhrpj"), "", 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), "gfsrt", 21, 12);
+  test(S("latkmisecnorjbfhqpdg"), "pfsocbhjtm", 21, 17);
+  test(S("lecfratdjkhnsmqpoigb"), "tpflmdnoicjgkberhqsa", 21, 19);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", S::npos);
-    test(S(""), "laenf", S::npos);
-    test(S(""), "pqlnkmbdjo", S::npos);
-    test(S(""), "qkamfogpnljdcshbreti", S::npos);
-    test(S("nhmko"), "", S::npos);
-    test(S("lahfb"), "irkhs", 2);
-    test(S("gmfhd"), "kantesmpgj", 1);
-    test(S("odaft"), "oknlrstdpiqmjbaghcfe", 4);
-    test(S("eolhfgpjqk"), "", S::npos);
-    test(S("nbatdlmekr"), "bnrpe", 9);
-    test(S("jdmciepkaq"), "jtdaefblso", 8);
-    test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", 9);
-    test(S("gprdcokbnjhlsfmtieqa"), "", S::npos);
-    test(S("qjghlnftcaismkropdeb"), "bjaht", 19);
-    test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 19);
-    test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", 19);
+void test1() {
+  test(S(""), "", S::npos);
+  test(S(""), "laenf", S::npos);
+  test(S(""), "pqlnkmbdjo", S::npos);
+  test(S(""), "qkamfogpnljdcshbreti", S::npos);
+  test(S("nhmko"), "", S::npos);
+  test(S("lahfb"), "irkhs", 2);
+  test(S("gmfhd"), "kantesmpgj", 1);
+  test(S("odaft"), "oknlrstdpiqmjbaghcfe", 4);
+  test(S("eolhfgpjqk"), "", S::npos);
+  test(S("nbatdlmekr"), "bnrpe", 9);
+  test(S("jdmciepkaq"), "jtdaefblso", 8);
+  test(S("hkbgspoflt"), "oselktgbcapndfjihrmq", 9);
+  test(S("gprdcokbnjhlsfmtieqa"), "", S::npos);
+  test(S("qjghlnftcaismkropdeb"), "bjaht", 19);
+  test(S("pnalfrdtkqcmojiesbhg"), "hjlcmgpket", 19);
+  test(S("pniotcfrhqsmgdkjbael"), "htaobedqikfplcgjsmrn", 19);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_of( "",      0) == SV::npos, "" );
-    static_assert (sv1.find_last_of( "irkhs", 5) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "",      0) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "gfsrt", 5) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "lecar", 5) == 4, "" );
-    }
+    static_assert(sv1.find_last_of("", 0) == SV::npos, "");
+    static_assert(sv1.find_last_of("irkhs", 5) == SV::npos, "");
+    static_assert(sv2.find_last_of("", 0) == SV::npos, "");
+    static_assert(sv2.find_last_of("gfsrt", 5) == SV::npos, "");
+    static_assert(sv2.find_last_of("lecar", 5) == 4, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_pointer_size_size.pass.cpp
@@ -19,378 +19,374 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos, n));
-    assert(s.find_last_of(str, pos, n) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos, n));
+  assert(s.find_last_of(str, pos, n) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, S::npos);
-    test(S(""), "irkhs", 0, 0, S::npos);
-    test(S(""), "kante", 0, 1, S::npos);
-    test(S(""), "oknlr", 0, 2, S::npos);
-    test(S(""), "pcdro", 0, 4, S::npos);
-    test(S(""), "bnrpe", 0, 5, S::npos);
-    test(S(""), "jtdaefblso", 0, 0, S::npos);
-    test(S(""), "oselktgbca", 0, 1, S::npos);
-    test(S(""), "eqgaplhckj", 0, 5, S::npos);
-    test(S(""), "bjahtcmnlp", 0, 9, S::npos);
-    test(S(""), "hjlcmgpket", 0, 10, S::npos);
-    test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
-    test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
-    test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
-    test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
-    test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
-    test(S(""), "", 1, 0, S::npos);
-    test(S(""), "lbtqd", 1, 0, S::npos);
-    test(S(""), "tboim", 1, 1, S::npos);
-    test(S(""), "slcer", 1, 2, S::npos);
-    test(S(""), "cbjfs", 1, 4, S::npos);
-    test(S(""), "aqibs", 1, 5, S::npos);
-    test(S(""), "gtfblmqinc", 1, 0, S::npos);
-    test(S(""), "mkqpbtdalg", 1, 1, S::npos);
-    test(S(""), "kphatlimcd", 1, 5, S::npos);
-    test(S(""), "pblasqogic", 1, 9, S::npos);
-    test(S(""), "arosdhcfme", 1, 10, S::npos);
-    test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
-    test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
-    test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
-    test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
-    test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
-    test(S("eaint"), "", 0, 0, S::npos);
-    test(S("binja"), "gfsrt", 0, 0, S::npos);
-    test(S("latkm"), "pfsoc", 0, 1, S::npos);
-    test(S("lecfr"), "tpflm", 0, 2, S::npos);
-    test(S("eqkst"), "sgkec", 0, 4, 0);
-    test(S("cdafr"), "romds", 0, 5, S::npos);
-    test(S("prbhe"), "qhjistlgmr", 0, 0, S::npos);
-    test(S("lbisk"), "pedfirsglo", 0, 1, S::npos);
-    test(S("hrlpd"), "aqcoslgrmk", 0, 5, S::npos);
-    test(S("ehmja"), "dabckmepqj", 0, 9, 0);
-    test(S("mhqgd"), "pqscrjthli", 0, 10, S::npos);
-    test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, S::npos);
-    test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, S::npos);
-    test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, S::npos);
-    test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, 0);
-    test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, 0);
-    test(S("clrgb"), "", 1, 0, S::npos);
-    test(S("tjmek"), "osmia", 1, 0, S::npos);
-    test(S("bgstp"), "ckonl", 1, 1, S::npos);
-    test(S("hstrk"), "ilcaj", 1, 2, S::npos);
-    test(S("kmspj"), "lasiq", 1, 4, S::npos);
-    test(S("tjboh"), "kfqmr", 1, 5, S::npos);
-    test(S("ilbcj"), "klnitfaobg", 1, 0, S::npos);
-    test(S("jkngf"), "gjhmdlqikp", 1, 1, S::npos);
-    test(S("gfcql"), "skbgtahqej", 1, 5, 0);
-    test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 0);
-    test(S("bthpg"), "bjgfmnlkio", 1, 10, 0);
-    test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, S::npos);
-    test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, S::npos);
-    test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 1);
-    test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, 1);
-    test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, 1);
-    test(S("ndrhl"), "", 2, 0, S::npos);
-    test(S("mrecp"), "otkgb", 2, 0, S::npos);
-    test(S("qlasf"), "cqsjl", 2, 1, S::npos);
-    test(S("smaqd"), "dpifl", 2, 2, S::npos);
-    test(S("hjeni"), "oapht", 2, 4, 0);
-    test(S("ocmfj"), "cifts", 2, 5, 1);
-    test(S("hmftq"), "nmsckbgalo", 2, 0, S::npos);
-    test(S("fklad"), "tpksqhamle", 2, 1, S::npos);
-    test(S("dirnm"), "tpdrchmkji", 2, 5, 2);
-    test(S("hrgdc"), "ijagfkblst", 2, 9, 2);
-    test(S("ifakg"), "kpocsignjb", 2, 10, 0);
-    test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, S::npos);
-    test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, S::npos);
-    test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 1);
-    test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, 2);
-    test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, 2);
-    test(S("cjgao"), "", 4, 0, S::npos);
-    test(S("kjplq"), "mabns", 4, 0, S::npos);
-    test(S("herni"), "bdnrp", 4, 1, S::npos);
-    test(S("tadrb"), "scidp", 4, 2, S::npos);
-    test(S("pkfeo"), "agbjl", 4, 4, S::npos);
-    test(S("hoser"), "jfmpr", 4, 5, 4);
-    test(S("kgrsp"), "rbpefghsmj", 4, 0, S::npos);
-    test(S("pgejb"), "apsfntdoqc", 4, 1, S::npos);
-    test(S("thlnq"), "ndkjeisgcl", 4, 5, 3);
-    test(S("nbmit"), "rnfpqatdeo", 4, 9, 4);
-    test(S("jgmib"), "bntjlqrfik", 4, 10, 4);
-    test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, S::npos);
-    test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, S::npos);
-    test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 4);
-    test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 4);
-    test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, 4);
-    test(S("klopi"), "", 5, 0, S::npos);
-    test(S("dajhn"), "psthd", 5, 0, S::npos);
-    test(S("jbgno"), "rpmjd", 5, 1, S::npos);
-    test(S("hkjae"), "dfsmk", 5, 2, S::npos);
+void test0() {
+  test(S(""), "", 0, 0, S::npos);
+  test(S(""), "irkhs", 0, 0, S::npos);
+  test(S(""), "kante", 0, 1, S::npos);
+  test(S(""), "oknlr", 0, 2, S::npos);
+  test(S(""), "pcdro", 0, 4, S::npos);
+  test(S(""), "bnrpe", 0, 5, S::npos);
+  test(S(""), "jtdaefblso", 0, 0, S::npos);
+  test(S(""), "oselktgbca", 0, 1, S::npos);
+  test(S(""), "eqgaplhckj", 0, 5, S::npos);
+  test(S(""), "bjahtcmnlp", 0, 9, S::npos);
+  test(S(""), "hjlcmgpket", 0, 10, S::npos);
+  test(S(""), "htaobedqikfplcgjsmrn", 0, 0, S::npos);
+  test(S(""), "hpqiarojkcdlsgnmfetb", 0, 1, S::npos);
+  test(S(""), "dfkaprhjloqetcsimnbg", 0, 10, S::npos);
+  test(S(""), "ihqrfebgadntlpmjksoc", 0, 19, S::npos);
+  test(S(""), "ngtjfcalbseiqrphmkdo", 0, 20, S::npos);
+  test(S(""), "", 1, 0, S::npos);
+  test(S(""), "lbtqd", 1, 0, S::npos);
+  test(S(""), "tboim", 1, 1, S::npos);
+  test(S(""), "slcer", 1, 2, S::npos);
+  test(S(""), "cbjfs", 1, 4, S::npos);
+  test(S(""), "aqibs", 1, 5, S::npos);
+  test(S(""), "gtfblmqinc", 1, 0, S::npos);
+  test(S(""), "mkqpbtdalg", 1, 1, S::npos);
+  test(S(""), "kphatlimcd", 1, 5, S::npos);
+  test(S(""), "pblasqogic", 1, 9, S::npos);
+  test(S(""), "arosdhcfme", 1, 10, S::npos);
+  test(S(""), "blkhjeogicatqfnpdmsr", 1, 0, S::npos);
+  test(S(""), "bmhineprjcoadgstflqk", 1, 1, S::npos);
+  test(S(""), "djkqcmetslnghpbarfoi", 1, 10, S::npos);
+  test(S(""), "lgokshjtpbemarcdqnfi", 1, 19, S::npos);
+  test(S(""), "bqjhtkfepimcnsgrlado", 1, 20, S::npos);
+  test(S("eaint"), "", 0, 0, S::npos);
+  test(S("binja"), "gfsrt", 0, 0, S::npos);
+  test(S("latkm"), "pfsoc", 0, 1, S::npos);
+  test(S("lecfr"), "tpflm", 0, 2, S::npos);
+  test(S("eqkst"), "sgkec", 0, 4, 0);
+  test(S("cdafr"), "romds", 0, 5, S::npos);
+  test(S("prbhe"), "qhjistlgmr", 0, 0, S::npos);
+  test(S("lbisk"), "pedfirsglo", 0, 1, S::npos);
+  test(S("hrlpd"), "aqcoslgrmk", 0, 5, S::npos);
+  test(S("ehmja"), "dabckmepqj", 0, 9, 0);
+  test(S("mhqgd"), "pqscrjthli", 0, 10, S::npos);
+  test(S("tgklq"), "kfphdcsjqmobliagtren", 0, 0, S::npos);
+  test(S("bocjs"), "rokpefncljibsdhqtagm", 0, 1, S::npos);
+  test(S("grbsd"), "afionmkphlebtcjqsgrd", 0, 10, S::npos);
+  test(S("ofjqr"), "aenmqplidhkofrjbctsg", 0, 19, 0);
+  test(S("btlfi"), "osjmbtcadhiklegrpqnf", 0, 20, 0);
+  test(S("clrgb"), "", 1, 0, S::npos);
+  test(S("tjmek"), "osmia", 1, 0, S::npos);
+  test(S("bgstp"), "ckonl", 1, 1, S::npos);
+  test(S("hstrk"), "ilcaj", 1, 2, S::npos);
+  test(S("kmspj"), "lasiq", 1, 4, S::npos);
+  test(S("tjboh"), "kfqmr", 1, 5, S::npos);
+  test(S("ilbcj"), "klnitfaobg", 1, 0, S::npos);
+  test(S("jkngf"), "gjhmdlqikp", 1, 1, S::npos);
+  test(S("gfcql"), "skbgtahqej", 1, 5, 0);
+  test(S("dqtlg"), "bjsdgtlpkf", 1, 9, 0);
+  test(S("bthpg"), "bjgfmnlkio", 1, 10, 0);
+  test(S("dgsnq"), "lbhepotfsjdqigcnamkr", 1, 0, S::npos);
+  test(S("rmfhp"), "tebangckmpsrqdlfojhi", 1, 1, S::npos);
+  test(S("jfdam"), "joflqbdkhtegimscpanr", 1, 10, 1);
+  test(S("edapb"), "adpmcohetfbsrjinlqkg", 1, 19, 1);
+  test(S("brfsm"), "iacldqjpfnogbsrhmetk", 1, 20, 1);
+  test(S("ndrhl"), "", 2, 0, S::npos);
+  test(S("mrecp"), "otkgb", 2, 0, S::npos);
+  test(S("qlasf"), "cqsjl", 2, 1, S::npos);
+  test(S("smaqd"), "dpifl", 2, 2, S::npos);
+  test(S("hjeni"), "oapht", 2, 4, 0);
+  test(S("ocmfj"), "cifts", 2, 5, 1);
+  test(S("hmftq"), "nmsckbgalo", 2, 0, S::npos);
+  test(S("fklad"), "tpksqhamle", 2, 1, S::npos);
+  test(S("dirnm"), "tpdrchmkji", 2, 5, 2);
+  test(S("hrgdc"), "ijagfkblst", 2, 9, 2);
+  test(S("ifakg"), "kpocsignjb", 2, 10, 0);
+  test(S("ebrgd"), "pecqtkjsnbdrialgmohf", 2, 0, S::npos);
+  test(S("rcjml"), "aiortphfcmkjebgsndql", 2, 1, S::npos);
+  test(S("peqmt"), "sdbkeamglhipojqftrcn", 2, 10, 1);
+  test(S("frehn"), "ljqncehgmfktroapidbs", 2, 19, 2);
+  test(S("tqolf"), "rtcfodilamkbenjghqps", 2, 20, 2);
+  test(S("cjgao"), "", 4, 0, S::npos);
+  test(S("kjplq"), "mabns", 4, 0, S::npos);
+  test(S("herni"), "bdnrp", 4, 1, S::npos);
+  test(S("tadrb"), "scidp", 4, 2, S::npos);
+  test(S("pkfeo"), "agbjl", 4, 4, S::npos);
+  test(S("hoser"), "jfmpr", 4, 5, 4);
+  test(S("kgrsp"), "rbpefghsmj", 4, 0, S::npos);
+  test(S("pgejb"), "apsfntdoqc", 4, 1, S::npos);
+  test(S("thlnq"), "ndkjeisgcl", 4, 5, 3);
+  test(S("nbmit"), "rnfpqatdeo", 4, 9, 4);
+  test(S("jgmib"), "bntjlqrfik", 4, 10, 4);
+  test(S("ncrfj"), "kcrtmpolnaqejghsfdbi", 4, 0, S::npos);
+  test(S("ncsik"), "lobheanpkmqidsrtcfgj", 4, 1, S::npos);
+  test(S("sgbfh"), "athdkljcnreqbgpmisof", 4, 10, 4);
+  test(S("dktbn"), "qkdmjialrscpbhefgont", 4, 19, 4);
+  test(S("fthqm"), "dmasojntqleribkgfchp", 4, 20, 4);
+  test(S("klopi"), "", 5, 0, S::npos);
+  test(S("dajhn"), "psthd", 5, 0, S::npos);
+  test(S("jbgno"), "rpmjd", 5, 1, S::npos);
+  test(S("hkjae"), "dfsmk", 5, 2, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S("gbhqo"), "skqne", 5, 4, 3);
-    test(S("ktdor"), "kipnf", 5, 5, 0);
-    test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
-    test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
-    test(S("armql"), "pcdgltbrfj", 5, 5, 4);
-    test(S("cdhjo"), "aekfctpirg", 5, 9, 0);
-    test(S("jcons"), "ledihrsgpf", 5, 10, 4);
-    test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
-    test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
-    test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, 4);
-    test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, 4);
-    test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, 4);
-    test(S("gajqn"), "", 6, 0, S::npos);
-    test(S("stedk"), "hrnat", 6, 0, S::npos);
-    test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
-    test(S("dthpe"), "bspkd", 6, 2, S::npos);
-    test(S("klhde"), "ohcmb", 6, 4, 2);
-    test(S("bhlki"), "heatr", 6, 5, 1);
-    test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
-    test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
-    test(S("dpqbr"), "lmbtdehjrn", 6, 5, 3);
-    test(S("kdhmo"), "teqmcrlgib", 6, 9, 3);
-    test(S("jblqp"), "njolbmspac", 6, 10, 4);
-    test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
-    test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
-    test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, 4);
-    test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, 4);
-    test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, 4);
-    test(S("jnkrfhotgl"), "", 0, 0, S::npos);
-    test(S("dltjfngbko"), "rqegt", 0, 0, S::npos);
-    test(S("bmjlpkiqde"), "dashm", 0, 1, S::npos);
-    test(S("skrflobnqm"), "jqirk", 0, 2, S::npos);
-    test(S("jkpldtshrm"), "rckeg", 0, 4, S::npos);
-    test(S("ghasdbnjqo"), "jscie", 0, 5, S::npos);
-    test(S("igrkhpbqjt"), "efsphndliq", 0, 0, S::npos);
-    test(S("ikthdgcamf"), "gdicosleja", 0, 1, S::npos);
-    test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 0);
-    test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 0);
-    test(S("itphbqsker"), "dtablcrseo", 0, 10, S::npos);
-    test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, S::npos);
-    test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, S::npos);
-    test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, S::npos);
-    test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 0);
-    test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, 0);
-    test(S("shbcqnmoar"), "", 1, 0, S::npos);
-    test(S("bdoshlmfin"), "ontrs", 1, 0, S::npos);
-    test(S("khfrebnsgq"), "pfkna", 1, 1, S::npos);
-    test(S("getcrsaoji"), "ekosa", 1, 2, 1);
-    test(S("fjiknedcpq"), "anqhk", 1, 4, S::npos);
-    test(S("tkejgnafrm"), "jekca", 1, 5, 1);
-    test(S("jnakolqrde"), "ikemsjgacf", 1, 0, S::npos);
-    test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, S::npos);
-    test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 1);
-    test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 0);
-    test(S("cigfqkated"), "sqcflrgtim", 1, 10, 1);
-    test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, S::npos);
-    test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, S::npos);
-    test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 1);
-    test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 1);
-    test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, 1);
-    test(S("ectnhskflp"), "", 5, 0, S::npos);
-    test(S("fgtianblpq"), "pijag", 5, 0, S::npos);
-    test(S("mfeqklirnh"), "jrckd", 5, 1, S::npos);
-    test(S("astedncjhk"), "qcloh", 5, 2, S::npos);
-    test(S("fhlqgcajbr"), "thlmp", 5, 4, 2);
-    test(S("epfhocmdng"), "qidmo", 5, 5, 4);
-    test(S("apcnsibger"), "lnegpsjqrd", 5, 0, S::npos);
-    test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 5);
-    test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, S::npos);
-    test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 5);
-    test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 4);
-    test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, S::npos);
-    test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, S::npos);
-    test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 5);
-    test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 5);
-    test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, 5);
-    test(S("shoiedtcjb"), "", 9, 0, S::npos);
-    test(S("ebcinjgads"), "tqbnh", 9, 0, S::npos);
-    test(S("dqmregkcfl"), "akmle", 9, 1, S::npos);
-    test(S("ngcrieqajf"), "iqfkm", 9, 2, 6);
-    test(S("qosmilgnjb"), "tqjsr", 9, 4, 8);
-    test(S("ikabsjtdfl"), "jplqg", 9, 5, 9);
-    test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, S::npos);
-    test(S("fdnplotmgh"), "morkglpesn", 9, 1, 7);
-    test(S("fdbicojerm"), "dmicerngat", 9, 5, 9);
-    test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 6);
-    test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 5);
-    test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, S::npos);
-    test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 6);
-    test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 7);
-    test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 9);
-    test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, 9);
-    test(S("ncjpmaekbs"), "", 10, 0, S::npos);
-    test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
-    test(S("pqfhsgilen"), "qnpor", 10, 1, 1);
-    test(S("gqtjsbdckh"), "otdma", 10, 2, 2);
-    test(S("cfkqpjlegi"), "efhjg", 10, 4, 7);
-    test(S("beanrfodgj"), "odpte", 10, 5, 7);
-    test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
-    test(S("iomkfthagj"), "oaklidrbqg", 10, 1, 1);
+void test1() {
+  test(S("gbhqo"), "skqne", 5, 4, 3);
+  test(S("ktdor"), "kipnf", 5, 5, 0);
+  test(S("ldprn"), "hmrnqdgifl", 5, 0, S::npos);
+  test(S("egmjk"), "fsmjcdairn", 5, 1, S::npos);
+  test(S("armql"), "pcdgltbrfj", 5, 5, 4);
+  test(S("cdhjo"), "aekfctpirg", 5, 9, 0);
+  test(S("jcons"), "ledihrsgpf", 5, 10, 4);
+  test(S("cbrkp"), "mqcklahsbtirgopefndj", 5, 0, S::npos);
+  test(S("fhgna"), "kmlthaoqgecrnpdbjfis", 5, 1, S::npos);
+  test(S("ejfcd"), "sfhbamcdptojlkrenqgi", 5, 10, 4);
+  test(S("kqjhe"), "pbniofmcedrkhlstgaqj", 5, 19, 4);
+  test(S("pbdjl"), "mongjratcskbhqiepfdl", 5, 20, 4);
+  test(S("gajqn"), "", 6, 0, S::npos);
+  test(S("stedk"), "hrnat", 6, 0, S::npos);
+  test(S("tjkaf"), "gsqdt", 6, 1, S::npos);
+  test(S("dthpe"), "bspkd", 6, 2, S::npos);
+  test(S("klhde"), "ohcmb", 6, 4, 2);
+  test(S("bhlki"), "heatr", 6, 5, 1);
+  test(S("lqmoh"), "pmblckedfn", 6, 0, S::npos);
+  test(S("mtqin"), "aceqmsrbik", 6, 1, S::npos);
+  test(S("dpqbr"), "lmbtdehjrn", 6, 5, 3);
+  test(S("kdhmo"), "teqmcrlgib", 6, 9, 3);
+  test(S("jblqp"), "njolbmspac", 6, 10, 4);
+  test(S("qmjgl"), "pofnhidklamecrbqjgst", 6, 0, S::npos);
+  test(S("rothp"), "jbhckmtgrqnosafedpli", 6, 1, S::npos);
+  test(S("ghknq"), "dobntpmqklicsahgjerf", 6, 10, 4);
+  test(S("eopfi"), "tpdshainjkbfoemlrgcq", 6, 19, 4);
+  test(S("dsnmg"), "oldpfgeakrnitscbjmqh", 6, 20, 4);
+  test(S("jnkrfhotgl"), "", 0, 0, S::npos);
+  test(S("dltjfngbko"), "rqegt", 0, 0, S::npos);
+  test(S("bmjlpkiqde"), "dashm", 0, 1, S::npos);
+  test(S("skrflobnqm"), "jqirk", 0, 2, S::npos);
+  test(S("jkpldtshrm"), "rckeg", 0, 4, S::npos);
+  test(S("ghasdbnjqo"), "jscie", 0, 5, S::npos);
+  test(S("igrkhpbqjt"), "efsphndliq", 0, 0, S::npos);
+  test(S("ikthdgcamf"), "gdicosleja", 0, 1, S::npos);
+  test(S("pcofgeniam"), "qcpjibosfl", 0, 5, 0);
+  test(S("rlfjgesqhc"), "lrhmefnjcq", 0, 9, 0);
+  test(S("itphbqsker"), "dtablcrseo", 0, 10, S::npos);
+  test(S("skjafcirqm"), "apckjsftedbhgomrnilq", 0, 0, S::npos);
+  test(S("tcqomarsfd"), "pcbrgflehjtiadnsokqm", 0, 1, S::npos);
+  test(S("rocfeldqpk"), "nsiadegjklhobrmtqcpf", 0, 10, S::npos);
+  test(S("cfpegndlkt"), "cpmajdqnolikhgsbretf", 0, 19, 0);
+  test(S("fqbtnkeasj"), "jcflkntmgiqrphdosaeb", 0, 20, 0);
+  test(S("shbcqnmoar"), "", 1, 0, S::npos);
+  test(S("bdoshlmfin"), "ontrs", 1, 0, S::npos);
+  test(S("khfrebnsgq"), "pfkna", 1, 1, S::npos);
+  test(S("getcrsaoji"), "ekosa", 1, 2, 1);
+  test(S("fjiknedcpq"), "anqhk", 1, 4, S::npos);
+  test(S("tkejgnafrm"), "jekca", 1, 5, 1);
+  test(S("jnakolqrde"), "ikemsjgacf", 1, 0, S::npos);
+  test(S("lcjptsmgbe"), "arolgsjkhm", 1, 1, S::npos);
+  test(S("itfsmcjorl"), "oftkbldhre", 1, 5, 1);
+  test(S("omchkfrjea"), "gbkqdoeftl", 1, 9, 0);
+  test(S("cigfqkated"), "sqcflrgtim", 1, 10, 1);
+  test(S("tscenjikml"), "fmhbkislrjdpanogqcet", 1, 0, S::npos);
+  test(S("qcpaemsinf"), "rnioadktqlgpbcjsmhef", 1, 1, S::npos);
+  test(S("gltkojeipd"), "oakgtnldpsefihqmjcbr", 1, 10, 1);
+  test(S("qistfrgnmp"), "gbnaelosidmcjqktfhpr", 1, 19, 1);
+  test(S("bdnpfcqaem"), "akbripjhlosndcmqgfet", 1, 20, 1);
+  test(S("ectnhskflp"), "", 5, 0, S::npos);
+  test(S("fgtianblpq"), "pijag", 5, 0, S::npos);
+  test(S("mfeqklirnh"), "jrckd", 5, 1, S::npos);
+  test(S("astedncjhk"), "qcloh", 5, 2, S::npos);
+  test(S("fhlqgcajbr"), "thlmp", 5, 4, 2);
+  test(S("epfhocmdng"), "qidmo", 5, 5, 4);
+  test(S("apcnsibger"), "lnegpsjqrd", 5, 0, S::npos);
+  test(S("aqkocrbign"), "rjqdablmfs", 5, 1, 5);
+  test(S("ijsmdtqgce"), "enkgpbsjaq", 5, 5, S::npos);
+  test(S("clobgsrken"), "kdsgoaijfh", 5, 9, 5);
+  test(S("jbhcfposld"), "trfqgmckbe", 5, 10, 4);
+  test(S("oqnpblhide"), "igetsracjfkdnpoblhqm", 5, 0, S::npos);
+  test(S("lroeasctif"), "nqctfaogirshlekbdjpm", 5, 1, S::npos);
+  test(S("bpjlgmiedh"), "csehfgomljdqinbartkp", 5, 10, 5);
+  test(S("pamkeoidrj"), "qahoegcmplkfsjbdnitr", 5, 19, 5);
+  test(S("espogqbthk"), "dpteiajrqmsognhlfbkc", 5, 20, 5);
+  test(S("shoiedtcjb"), "", 9, 0, S::npos);
+  test(S("ebcinjgads"), "tqbnh", 9, 0, S::npos);
+  test(S("dqmregkcfl"), "akmle", 9, 1, S::npos);
+  test(S("ngcrieqajf"), "iqfkm", 9, 2, 6);
+  test(S("qosmilgnjb"), "tqjsr", 9, 4, 8);
+  test(S("ikabsjtdfl"), "jplqg", 9, 5, 9);
+  test(S("ersmicafdh"), "oilnrbcgtj", 9, 0, S::npos);
+  test(S("fdnplotmgh"), "morkglpesn", 9, 1, 7);
+  test(S("fdbicojerm"), "dmicerngat", 9, 5, 9);
+  test(S("mbtafndjcq"), "radgeskbtc", 9, 9, 6);
+  test(S("mlenkpfdtc"), "ljikprsmqo", 9, 10, 5);
+  test(S("ahlcifdqgs"), "trqihkcgsjamfdbolnpe", 9, 0, S::npos);
+  test(S("bgjemaltks"), "lqmthbsrekajgnofcipd", 9, 1, 6);
+  test(S("pdhslbqrfc"), "jtalmedribkgqsopcnfh", 9, 10, 7);
+  test(S("dirhtsnjkc"), "spqfoiclmtagejbndkrh", 9, 19, 9);
+  test(S("dlroktbcja"), "nmotklspigjrdhcfaebq", 9, 20, 9);
+  test(S("ncjpmaekbs"), "", 10, 0, S::npos);
+  test(S("hlbosgmrak"), "hpmsd", 10, 0, S::npos);
+  test(S("pqfhsgilen"), "qnpor", 10, 1, 1);
+  test(S("gqtjsbdckh"), "otdma", 10, 2, 2);
+  test(S("cfkqpjlegi"), "efhjg", 10, 4, 7);
+  test(S("beanrfodgj"), "odpte", 10, 5, 7);
+  test(S("adtkqpbjfi"), "bctdgfmolr", 10, 0, S::npos);
+  test(S("iomkfthagj"), "oaklidrbqg", 10, 1, 1);
 }
 
 template <class S>
-void test2()
-{
-    test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, 9);
-    test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, 8);
-    test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, 9);
-    test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
-    test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, 8);
-    test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, 9);
-    test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, 9);
-    test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, 9);
-    test(S("cqjohampgd"), "", 11, 0, S::npos);
-    test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
-    test(S("tjehkpsalm"), "jbrnk", 11, 1, 1);
-    test(S("ngfbojitcl"), "tqedg", 11, 2, 7);
-    test(S("rcfkdbhgjo"), "nqskp", 11, 4, 3);
-    test(S("qghptonrea"), "eaqkl", 11, 5, 9);
-    test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
-    test(S("hlmgabenti"), "lsftgajqpm", 11, 1, 1);
-    test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, 7);
-    test(S("jqedtkornm"), "shkncmiaqj", 11, 9, 9);
-    test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, 9);
-    test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
-    test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
-    test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, 9);
-    test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, 9);
-    test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, 9);
-    test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, S::npos);
-    test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, S::npos);
-    test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, S::npos);
-    test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, S::npos);
-    test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, S::npos);
-    test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, S::npos);
-    test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, S::npos);
-    test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, S::npos);
-    test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, S::npos);
-    test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, S::npos);
-    test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, S::npos);
-    test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, S::npos);
-    test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, S::npos);
-    test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, S::npos);
-    test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 0);
-    test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, 0);
-    test(S("febhmqtjanokscdirpgl"), "", 1, 0, S::npos);
-    test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, S::npos);
-    test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, S::npos);
-    test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 1);
-    test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 1);
-    test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, S::npos);
-    test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, S::npos);
-    test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, S::npos);
-    test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, S::npos);
-    test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 1);
-    test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 1);
-    test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, S::npos);
-    test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, S::npos);
-    test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 1);
-    test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 1);
-    test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, 1);
-    test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, S::npos);
-    test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, S::npos);
-    test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, S::npos);
-    test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 7);
-    test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 10);
-    test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 6);
-    test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, S::npos);
-    test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 9);
-    test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 5);
-    test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 10);
-    test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 9);
-    test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, S::npos);
-    test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, S::npos);
-    test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 10);
-    test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 10);
-    test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, 10);
-    test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, S::npos);
-    test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, S::npos);
-    test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 16);
-    test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 7);
-    test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 16);
-    test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 19);
-    test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, S::npos);
-    test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 15);
-    test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 17);
-    test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 16);
-    test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 16);
-    test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, S::npos);
-    test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 10);
-    test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 19);
-    test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 19);
-    test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, 19);
-    test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
-    test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
-    test(S("grkpahljcftesdmonqib"), "odife", 20, 1, 15);
-    test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, 12);
-    test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, 19);
-    test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, 19);
-    test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
-    test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, 3);
-    test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, 19);
-    test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, 19);
-    test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, 19);
-    test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
+void test2() {
+  test(S("sdpcilonqj"), "dnjfsagktr", 10, 5, 9);
+  test(S("gtfbdkqeml"), "nejaktmiqg", 10, 9, 8);
+  test(S("bmeqgcdorj"), "pjqonlebsf", 10, 10, 9);
+  test(S("etqlcanmob"), "dshmnbtolcjepgaikfqr", 10, 0, S::npos);
+  test(S("roqmkbdtia"), "iogfhpabtjkqlrnemcds", 10, 1, 8);
+  test(S("kadsithljf"), "ngridfabjsecpqltkmoh", 10, 10, 9);
+  test(S("sgtkpbfdmh"), "athmknplcgofrqejsdib", 10, 19, 9);
+  test(S("qgmetnabkl"), "ldobhmqcafnjtkeisgrp", 10, 20, 9);
+  test(S("cqjohampgd"), "", 11, 0, S::npos);
+  test(S("hobitmpsan"), "aocjb", 11, 0, S::npos);
+  test(S("tjehkpsalm"), "jbrnk", 11, 1, 1);
+  test(S("ngfbojitcl"), "tqedg", 11, 2, 7);
+  test(S("rcfkdbhgjo"), "nqskp", 11, 4, 3);
+  test(S("qghptonrea"), "eaqkl", 11, 5, 9);
+  test(S("hnprfgqjdl"), "reaoicljqm", 11, 0, S::npos);
+  test(S("hlmgabenti"), "lsftgajqpm", 11, 1, 1);
+  test(S("ofcjanmrbs"), "rlpfogmits", 11, 5, 7);
+  test(S("jqedtkornm"), "shkncmiaqj", 11, 9, 9);
+  test(S("rfedlasjmg"), "fpnatrhqgs", 11, 10, 9);
+  test(S("talpqjsgkm"), "sjclemqhnpdbgikarfot", 11, 0, S::npos);
+  test(S("lrkcbtqpie"), "otcmedjikgsfnqbrhpla", 11, 1, S::npos);
+  test(S("cipogdskjf"), "bonsaefdqiprkhlgtjcm", 11, 10, 9);
+  test(S("nqedcojahi"), "egpscmahijlfnkrodqtb", 11, 19, 9);
+  test(S("hefnrkmctj"), "kmqbfepjthgilscrndoa", 11, 20, 9);
+  test(S("atqirnmekfjolhpdsgcb"), "", 0, 0, S::npos);
+  test(S("echfkmlpribjnqsaogtd"), "prboq", 0, 0, S::npos);
+  test(S("qnhiftdgcleajbpkrosm"), "fjcqh", 0, 1, S::npos);
+  test(S("chamfknorbedjitgslpq"), "fmosa", 0, 2, S::npos);
+  test(S("njhqpibfmtlkaecdrgso"), "qdbok", 0, 4, S::npos);
+  test(S("ebnghfsqkprmdcljoiat"), "amslg", 0, 5, S::npos);
+  test(S("letjomsgihfrpqbkancd"), "smpltjneqb", 0, 0, S::npos);
+  test(S("nblgoipcrqeaktshjdmf"), "flitskrnge", 0, 1, S::npos);
+  test(S("cehkbngtjoiflqapsmrd"), "pgqihmlbef", 0, 5, S::npos);
+  test(S("mignapfoklbhcqjetdrs"), "cfpdqjtgsb", 0, 9, S::npos);
+  test(S("ceatbhlsqjgpnokfrmdi"), "htpsiaflom", 0, 10, S::npos);
+  test(S("ocihkjgrdelpfnmastqb"), "kpjfiaceghsrdtlbnomq", 0, 0, S::npos);
+  test(S("noelgschdtbrjfmiqkap"), "qhtbomidljgafneksprc", 0, 1, S::npos);
+  test(S("dkclqfombepritjnghas"), "nhtjobkcefldimpsaqgr", 0, 10, S::npos);
+  test(S("miklnresdgbhqcojftap"), "prabcjfqnoeskilmtgdh", 0, 19, 0);
+  test(S("htbcigojaqmdkfrnlsep"), "dtrgmchilkasqoebfpjn", 0, 20, 0);
+  test(S("febhmqtjanokscdirpgl"), "", 1, 0, S::npos);
+  test(S("loakbsqjpcrdhftniegm"), "sqome", 1, 0, S::npos);
+  test(S("reagphsqflbitdcjmkno"), "smfte", 1, 1, S::npos);
+  test(S("jitlfrqemsdhkopncabg"), "ciboh", 1, 2, 1);
+  test(S("mhtaepscdnrjqgbkifol"), "haois", 1, 4, 1);
+  test(S("tocesrfmnglpbjihqadk"), "abfki", 1, 5, S::npos);
+  test(S("lpfmctjrhdagneskbqoi"), "frdkocntmq", 1, 0, S::npos);
+  test(S("lsmqaepkdhncirbtjfgo"), "oasbpedlnr", 1, 1, S::npos);
+  test(S("epoiqmtldrabnkjhcfsg"), "kltqmhgand", 1, 5, S::npos);
+  test(S("emgasrilpknqojhtbdcf"), "gdtfjchpmr", 1, 9, 1);
+  test(S("hnfiagdpcklrjetqbsom"), "ponmcqblet", 1, 10, 1);
+  test(S("nsdfebgajhmtricpoklq"), "sgphqdnofeiklatbcmjr", 1, 0, S::npos);
+  test(S("atjgfsdlpobmeiqhncrk"), "ljqprsmigtfoneadckbh", 1, 1, S::npos);
+  test(S("sitodfgnrejlahcbmqkp"), "ligeojhafnkmrcsqtbdp", 1, 10, 1);
+  test(S("fraghmbiceknltjpqosd"), "lsimqfnjarbopedkhcgt", 1, 19, 1);
+  test(S("pmafenlhqtdbkirjsogc"), "abedmfjlghniorcqptks", 1, 20, 1);
+  test(S("pihgmoeqtnakrjslcbfd"), "", 10, 0, S::npos);
+  test(S("gjdkeprctqblnhiafsom"), "hqtoa", 10, 0, S::npos);
+  test(S("mkpnblfdsahrcqijteog"), "cahif", 10, 1, S::npos);
+  test(S("gckarqnelodfjhmbptis"), "kehis", 10, 2, 7);
+  test(S("gqpskidtbclomahnrjfe"), "kdlmh", 10, 4, 10);
+  test(S("pkldjsqrfgitbhmaecno"), "paeql", 10, 5, 6);
+  test(S("aftsijrbeklnmcdqhgop"), "aghoqiefnb", 10, 0, S::npos);
+  test(S("mtlgdrhafjkbiepqnsoc"), "jrbqaikpdo", 10, 1, 9);
+  test(S("pqgirnaefthokdmbsclj"), "smjonaeqcl", 10, 5, 5);
+  test(S("kpdbgjmtherlsfcqoina"), "eqbdrkcfah", 10, 9, 10);
+  test(S("jrlbothiknqmdgcfasep"), "kapmsienhf", 10, 10, 9);
+  test(S("mjogldqferckabinptsh"), "jpqotrlenfcsbhkaimdg", 10, 0, S::npos);
+  test(S("apoklnefbhmgqcdrisjt"), "jlbmhnfgtcqprikeados", 10, 1, S::npos);
+  test(S("ifeopcnrjbhkdgatmqls"), "stgbhfmdaljnpqoicker", 10, 10, 10);
+  test(S("ckqhaiesmjdnrgolbtpf"), "oihcetflbjagdsrkmqpn", 10, 19, 10);
+  test(S("bnlgapfimcoterskqdjh"), "adtclebmnpjsrqfkigoh", 10, 20, 10);
+  test(S("kgdlrobpmjcthqsafeni"), "", 19, 0, S::npos);
+  test(S("dfkechomjapgnslbtqir"), "beafg", 19, 0, S::npos);
+  test(S("rloadknfbqtgmhcsipje"), "iclat", 19, 1, 16);
+  test(S("mgjhkolrnadqbpetcifs"), "rkhnf", 19, 2, 7);
+  test(S("cmlfakiojdrgtbsphqen"), "clshq", 19, 4, 16);
+  test(S("kghbfipeomsntdalrqjc"), "dtcoj", 19, 5, 19);
+  test(S("eldiqckrnmtasbghjfpo"), "rqosnjmfth", 19, 0, S::npos);
+  test(S("abqjcfedgotihlnspkrm"), "siatdfqglh", 19, 1, 15);
+  test(S("qfbadrtjsimkolcenhpg"), "mrlshtpgjq", 19, 5, 17);
+  test(S("abseghclkjqifmtodrnp"), "adlcskgqjt", 19, 9, 16);
+  test(S("ibmsnlrjefhtdokacqpg"), "drshcjknaf", 19, 10, 16);
+  test(S("mrkfciqjebaponsthldg"), "etsaqroinghpkjdlfcbm", 19, 0, S::npos);
+  test(S("mjkticdeoqshpalrfbgn"), "sgepdnkqliambtrocfhj", 19, 1, 10);
+  test(S("rqnoclbdejgiphtfsakm"), "nlmcjaqgbsortfdihkpe", 19, 10, 19);
+  test(S("plkqbhmtfaeodjcrsing"), "racfnpmosldibqkghjet", 19, 19, 19);
+  test(S("oegalhmstjrfickpbndq"), "fjhdsctkqeiolagrnmbp", 19, 20, 19);
+  test(S("rdtgjcaohpblniekmsfq"), "", 20, 0, S::npos);
+  test(S("ofkqbnjetrmsaidphglc"), "ejanp", 20, 0, S::npos);
+  test(S("grkpahljcftesdmonqib"), "odife", 20, 1, 15);
+  test(S("jimlgbhfqkteospardcn"), "okaqd", 20, 2, 12);
+  test(S("gftenihpmslrjkqadcob"), "lcdbi", 20, 4, 19);
+  test(S("bmhldogtckrfsanijepq"), "fsqbj", 20, 5, 19);
+  test(S("nfqkrpjdesabgtlcmoih"), "bigdomnplq", 20, 0, S::npos);
+  test(S("focalnrpiqmdkstehbjg"), "apiblotgcd", 20, 1, 3);
+  test(S("rhqdspkmebiflcotnjga"), "acfhdenops", 20, 5, 19);
+  test(S("rahdtmsckfboqlpniegj"), "jopdeamcrk", 20, 9, 19);
+  test(S("fbkeiopclstmdqranjhg"), "trqncbkgmh", 20, 10, 19);
+  test(S("lifhpdgmbconstjeqark"), "tomglrkencbsfjqpihda", 20, 0, S::npos);
 }
 
 template <class S>
-void test3()
-{
-    test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, 4);
-    test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, 17);
-    test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, 19);
-    test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, 19);
-    test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
-    test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
-    test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, 6);
-    test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, 13);
-    test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, 10);
-    test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, 17);
-    test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
-    test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, 14);
-    test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, 19);
-    test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, 14);
-    test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, 16);
-    test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
-    test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, 17);
-    test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, 17);
-    test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, 19);
-    test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, 19);
+void test3() {
+  test(S("pboqganrhedjmltsicfk"), "gbkhdnpoietfcmrslajq", 20, 1, 4);
+  test(S("klchabsimetjnqgorfpd"), "rtfnmbsglkjaichoqedp", 20, 10, 17);
+  test(S("sirfgmjqhctndbklaepo"), "ohkmdpfqbsacrtjnlgei", 20, 19, 19);
+  test(S("rlbdsiceaonqjtfpghkm"), "dlbrteoisgphmkncajfq", 20, 20, 19);
+  test(S("ecgdanriptblhjfqskom"), "", 21, 0, S::npos);
+  test(S("fdmiarlpgcskbhoteqjn"), "sjrlo", 21, 0, S::npos);
+  test(S("rlbstjqopignecmfadkh"), "qjpor", 21, 1, 6);
+  test(S("grjpqmbshektdolcafni"), "odhfn", 21, 2, 13);
+  test(S("sakfcohtqnibprjmlged"), "qtfin", 21, 4, 10);
+  test(S("mjtdglasihqpocebrfkn"), "hpqfo", 21, 5, 17);
+  test(S("okaplfrntghqbmeicsdj"), "fabmertkos", 21, 0, S::npos);
+  test(S("sahngemrtcjidqbklfpo"), "brqtgkmaej", 21, 1, 14);
+  test(S("dlmsipcnekhbgoaftqjr"), "nfrdeihsgl", 21, 5, 19);
+  test(S("ahegrmqnoiklpfsdbcjt"), "hlfrosekpi", 21, 9, 14);
+  test(S("hdsjbnmlegtkqripacof"), "atgbkrjdsm", 21, 10, 16);
+  test(S("pcnedrfjihqbalkgtoms"), "blnrptjgqmaifsdkhoec", 21, 0, S::npos);
+  test(S("qjidealmtpskrbfhocng"), "ctpmdahebfqjgknloris", 21, 1, 17);
+  test(S("qeindtagmokpfhsclrbj"), "apnkeqthrmlbfodiscgj", 21, 10, 17);
+  test(S("kpfegbjhsrnodltqciam"), "jdgictpframeoqlsbknh", 21, 19, 19);
+  test(S("hnbrcplsjfgiktoedmaq"), "qprlsfojamgndekthibc", 21, 20, 19);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find_last_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv1.find_last_of( "irkhs", 0, 5) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "",      0, 0) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "gfsrt", 5, 5) == SV::npos, "" );
-    static_assert (sv2.find_last_of( "lecar", 5, 5) == 4, "" );
-    }
+    static_assert(sv1.find_last_of("", 0, 0) == SV::npos, "");
+    static_assert(sv1.find_last_of("irkhs", 0, 5) == SV::npos, "");
+    static_assert(sv2.find_last_of("", 0, 0) == SV::npos, "");
+    static_assert(sv2.find_last_of("gfsrt", 5, 5) == SV::npos, "");
+    static_assert(sv2.find_last_of("lecar", 5, 5) == 4, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_last_of_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_last_of_string_view_size.pass.cpp
@@ -18,138 +18,131 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos));
-    assert(s.find_last_of(str, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x < s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str, pos));
+  assert(s.find_last_of(str, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x < s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str));
-    assert(s.find_last_of(str) == x);
-    if (x != S::npos)
-        assert(x < s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find_last_of(str));
+  assert(s.find_last_of(str) == x);
+  if (x != S::npos)
+    assert(x < s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, S::npos);
-    test(S(""), S("laenf"), 0, S::npos);
-    test(S(""), S("pqlnkmbdjo"), 0, S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
-    test(S(""), S(""), 1, S::npos);
-    test(S(""), S("bjaht"), 1, S::npos);
-    test(S(""), S("hjlcmgpket"), 1, S::npos);
-    test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
-    test(S("fodgq"), S(""), 0, S::npos);
-    test(S("qanej"), S("dfkap"), 0, S::npos);
-    test(S("clbao"), S("ihqrfebgad"), 0, S::npos);
-    test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, 0);
-    test(S("srdfq"), S(""), 1, S::npos);
-    test(S("oemth"), S("ikcrq"), 1, S::npos);
-    test(S("cdaih"), S("dmajblfhsg"), 1, 1);
-    test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, 1);
-    test(S("cshmd"), S(""), 2, S::npos);
-    test(S("lhcdo"), S("oebqi"), 2, S::npos);
-    test(S("qnsoh"), S("kojhpmbsfe"), 2, 2);
-    test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, 2);
-    test(S("fmtsp"), S(""), 4, S::npos);
-    test(S("khbpm"), S("aobjd"), 4, 2);
-    test(S("pbsji"), S("pcbahntsje"), 4, 3);
-    test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, 4);
-    test(S("eqmpa"), S(""), 5, S::npos);
-    test(S("omigs"), S("kocgb"), 5, 3);
-    test(S("onmje"), S("fbslrjiqkm"), 5, 3);
-    test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, 4);
-    test(S("schfa"), S(""), 6, S::npos);
-    test(S("igdsc"), S("qngpd"), 6, 2);
-    test(S("brqgo"), S("rodhqklgmb"), 6, 4);
-    test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, 4);
-    test(S("hcjitbfapl"), S(""), 0, S::npos);
-    test(S("daiprenocl"), S("ashjd"), 0, 0);
-    test(S("litpcfdghe"), S("mgojkldsqh"), 0, 0);
-    test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, 0);
-    test(S("qpghtfbaji"), S(""), 1, S::npos);
-    test(S("gfshlcmdjr"), S("nadkh"), 1, S::npos);
-    test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 1);
-    test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, 1);
-    test(S("crnklpmegd"), S(""), 5, S::npos);
-    test(S("jsbtafedoc"), S("prqgn"), 5, S::npos);
-    test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 5);
-    test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, 5);
-    test(S("lmofqdhpki"), S(""), 9, S::npos);
-    test(S("hnefkqimca"), S("rtjpa"), 9, 9);
-    test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 7);
-    test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, 9);
-    test(S("elgofjmbrq"), S(""), 10, S::npos);
-    test(S("mjqdgalkpc"), S("dplqa"), 10, 8);
-    test(S("kthqnfcerm"), S("dkacjoptns"), 10, 6);
-    test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, 9);
-    test(S("eqsgalomhb"), S(""), 11, S::npos);
-    test(S("akiteljmoh"), S("lofbc"), 11, 8);
-    test(S("hlbdfreqjo"), S("astoegbfpn"), 11, 9);
-    test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, 9);
-    test(S("snafbdlghrjkpqtoceim"), S(""), 0, S::npos);
-    test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, S::npos);
-    test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 0);
-    test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, 0);
-    test(S("jlnkraeodhcspfgbqitm"), S(""), 1, S::npos);
-    test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, S::npos);
-    test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 1);
-    test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, 1);
-    test(S("hdpkobnsalmcfijregtq"), S(""), 10, S::npos);
-    test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 10);
-    test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 10);
-    test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, 10);
-    test(S("niptglfbosehkamrdqcj"), S(""), 19, S::npos);
-    test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 16);
-    test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 19);
-    test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, 19);
-    test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
-    test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, 19);
-    test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, 18);
-    test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, 19);
-    test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
-    test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, 12);
-    test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, 17);
-    test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, 19);
+void test0() {
+  test(S(""), S(""), 0, S::npos);
+  test(S(""), S("laenf"), 0, S::npos);
+  test(S(""), S("pqlnkmbdjo"), 0, S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), 0, S::npos);
+  test(S(""), S(""), 1, S::npos);
+  test(S(""), S("bjaht"), 1, S::npos);
+  test(S(""), S("hjlcmgpket"), 1, S::npos);
+  test(S(""), S("htaobedqikfplcgjsmrn"), 1, S::npos);
+  test(S("fodgq"), S(""), 0, S::npos);
+  test(S("qanej"), S("dfkap"), 0, S::npos);
+  test(S("clbao"), S("ihqrfebgad"), 0, S::npos);
+  test(S("mekdn"), S("ngtjfcalbseiqrphmkdo"), 0, 0);
+  test(S("srdfq"), S(""), 1, S::npos);
+  test(S("oemth"), S("ikcrq"), 1, S::npos);
+  test(S("cdaih"), S("dmajblfhsg"), 1, 1);
+  test(S("qohtk"), S("oqftjhdmkgsblacenirp"), 1, 1);
+  test(S("cshmd"), S(""), 2, S::npos);
+  test(S("lhcdo"), S("oebqi"), 2, S::npos);
+  test(S("qnsoh"), S("kojhpmbsfe"), 2, 2);
+  test(S("pkrof"), S("acbsjqogpltdkhinfrem"), 2, 2);
+  test(S("fmtsp"), S(""), 4, S::npos);
+  test(S("khbpm"), S("aobjd"), 4, 2);
+  test(S("pbsji"), S("pcbahntsje"), 4, 3);
+  test(S("mprdj"), S("fhepcrntkoagbmldqijs"), 4, 4);
+  test(S("eqmpa"), S(""), 5, S::npos);
+  test(S("omigs"), S("kocgb"), 5, 3);
+  test(S("onmje"), S("fbslrjiqkm"), 5, 3);
+  test(S("oqmrj"), S("jeidpcmalhfnqbgtrsko"), 5, 4);
+  test(S("schfa"), S(""), 6, S::npos);
+  test(S("igdsc"), S("qngpd"), 6, 2);
+  test(S("brqgo"), S("rodhqklgmb"), 6, 4);
+  test(S("tnrph"), S("thdjgafrlbkoiqcspmne"), 6, 4);
+  test(S("hcjitbfapl"), S(""), 0, S::npos);
+  test(S("daiprenocl"), S("ashjd"), 0, 0);
+  test(S("litpcfdghe"), S("mgojkldsqh"), 0, 0);
+  test(S("aidjksrolc"), S("imqnaghkfrdtlopbjesc"), 0, 0);
+  test(S("qpghtfbaji"), S(""), 1, S::npos);
+  test(S("gfshlcmdjr"), S("nadkh"), 1, S::npos);
+  test(S("nkodajteqp"), S("ofdrqmkebl"), 1, 1);
+  test(S("gbmetiprqd"), S("bdfjqgatlksriohemnpc"), 1, 1);
+  test(S("crnklpmegd"), S(""), 5, S::npos);
+  test(S("jsbtafedoc"), S("prqgn"), 5, S::npos);
+  test(S("qnmodrtkeb"), S("pejafmnokr"), 5, 5);
+  test(S("cpebqsfmnj"), S("odnqkgijrhabfmcestlp"), 5, 5);
+  test(S("lmofqdhpki"), S(""), 9, S::npos);
+  test(S("hnefkqimca"), S("rtjpa"), 9, 9);
+  test(S("drtasbgmfp"), S("ktsrmnqagd"), 9, 7);
+  test(S("lsaijeqhtr"), S("rtdhgcisbnmoaqkfpjle"), 9, 9);
+  test(S("elgofjmbrq"), S(""), 10, S::npos);
+  test(S("mjqdgalkpc"), S("dplqa"), 10, 8);
+  test(S("kthqnfcerm"), S("dkacjoptns"), 10, 6);
+  test(S("dfsjhanorc"), S("hqfimtrgnbekpdcsjalo"), 10, 9);
+  test(S("eqsgalomhb"), S(""), 11, S::npos);
+  test(S("akiteljmoh"), S("lofbc"), 11, 8);
+  test(S("hlbdfreqjo"), S("astoegbfpn"), 11, 9);
+  test(S("taqobhlerg"), S("pdgreqomsncafklhtibj"), 11, 9);
+  test(S("snafbdlghrjkpqtoceim"), S(""), 0, S::npos);
+  test(S("aemtbrgcklhndjisfpoq"), S("lbtqd"), 0, S::npos);
+  test(S("pnracgfkjdiholtbqsem"), S("tboimldpjh"), 0, 0);
+  test(S("dicfltehbsgrmojnpkaq"), S("slcerthdaiqjfnobgkpm"), 0, 0);
+  test(S("jlnkraeodhcspfgbqitm"), S(""), 1, S::npos);
+  test(S("lhosrngtmfjikbqpcade"), S("aqibs"), 1, S::npos);
+  test(S("rbtaqjhgkneisldpmfoc"), S("gtfblmqinc"), 1, 1);
+  test(S("gpifsqlrdkbonjtmheca"), S("mkqpbtdalgniorhfescj"), 1, 1);
+  test(S("hdpkobnsalmcfijregtq"), S(""), 10, S::npos);
+  test(S("jtlshdgqaiprkbcoenfm"), S("pblas"), 10, 10);
+  test(S("fkdrbqltsgmcoiphneaj"), S("arosdhcfme"), 10, 10);
+  test(S("crsplifgtqedjohnabmk"), S("blkhjeogicatqfnpdmsr"), 10, 10);
+  test(S("niptglfbosehkamrdqcj"), S(""), 19, S::npos);
+  test(S("copqdhstbingamjfkler"), S("djkqc"), 19, 16);
+  test(S("mrtaefilpdsgocnhqbjk"), S("lgokshjtpb"), 19, 19);
+  test(S("kojatdhlcmigpbfrqnes"), S("bqjhtkfepimcnsgrlado"), 19, 19);
+  test(S("eaintpchlqsbdgrkjofm"), S(""), 20, S::npos);
+  test(S("gjnhidfsepkrtaqbmclo"), S("nocfa"), 20, 19);
+  test(S("spocfaktqdbiejlhngmr"), S("bgtajmiedc"), 20, 18);
+  test(S("rphmlekgfscndtaobiqj"), S("lsckfnqgdahejiopbtmr"), 20, 19);
+  test(S("liatsqdoegkmfcnbhrpj"), S(""), 21, S::npos);
+  test(S("binjagtfldkrspcomqeh"), S("gfsrt"), 21, 12);
+  test(S("latkmisecnorjbfhqpdg"), S("pfsocbhjtm"), 21, 17);
+  test(S("lecfratdjkhnsmqpoigb"), S("tpflmdnoicjgkberhqsa"), 21, 19);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), S::npos);
-    test(S(""), S("laenf"), S::npos);
-    test(S(""), S("pqlnkmbdjo"), S::npos);
-    test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
-    test(S("nhmko"), S(""), S::npos);
-    test(S("lahfb"), S("irkhs"), 2);
-    test(S("gmfhd"), S("kantesmpgj"), 1);
-    test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), 4);
-    test(S("eolhfgpjqk"), S(""), S::npos);
-    test(S("nbatdlmekr"), S("bnrpe"), 9);
-    test(S("jdmciepkaq"), S("jtdaefblso"), 8);
-    test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), 9);
-    test(S("gprdcokbnjhlsfmtieqa"), S(""), S::npos);
-    test(S("qjghlnftcaismkropdeb"), S("bjaht"), 19);
-    test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 19);
-    test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), 19);
+void test1() {
+  test(S(""), S(""), S::npos);
+  test(S(""), S("laenf"), S::npos);
+  test(S(""), S("pqlnkmbdjo"), S::npos);
+  test(S(""), S("qkamfogpnljdcshbreti"), S::npos);
+  test(S("nhmko"), S(""), S::npos);
+  test(S("lahfb"), S("irkhs"), 2);
+  test(S("gmfhd"), S("kantesmpgj"), 1);
+  test(S("odaft"), S("oknlrstdpiqmjbaghcfe"), 4);
+  test(S("eolhfgpjqk"), S(""), S::npos);
+  test(S("nbatdlmekr"), S("bnrpe"), 9);
+  test(S("jdmciepkaq"), S("jtdaefblso"), 8);
+  test(S("hkbgspoflt"), S("oselktgbcapndfjihrmq"), 9);
+  test(S("gprdcokbnjhlsfmtieqa"), S(""), S::npos);
+  test(S("qjghlnftcaismkropdeb"), S("bjaht"), 19);
+  test(S("pnalfrdtkqcmojiesbhg"), S("hjlcmgpket"), 19);
+  test(S("pniotcfrhqsmgdkjbael"), S("htaobedqikfplcgjsmrn"), 19);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size.pass.cpp
@@ -19,158 +19,148 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos));
-    assert(s.find(str, pos) == x);
-    if (x != S::npos)
-    {
-        typename S::size_type n = S::traits_type::length(str);
-        assert(pos <= x && x + n <= s.size());
-    }
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos));
+  assert(s.find(str, pos) == x);
+  if (x != S::npos) {
+    typename S::size_type n = S::traits_type::length(str);
+    assert(pos <= x && x + n <= s.size());
+  }
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(str));
-    assert(s.find(str) == x);
-    if (x != S::npos)
-    {
-        typename S::size_type n = S::traits_type::length(str);
-        assert(0 <= x && x + n <= s.size());
-    }
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(str));
+  assert(s.find(str) == x);
+  if (x != S::npos) {
+    typename S::size_type n = S::traits_type::length(str);
+    assert(0 <= x && x + n <= s.size());
+  }
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0);
-    test(S(""), "abcde", 0, S::npos);
-    test(S(""), "abcdeabcde", 0, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S(""), "", 1, S::npos);
-    test(S(""), "abcde", 1, S::npos);
-    test(S(""), "abcdeabcde", 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcde"), "", 0, 0);
-    test(S("abcde"), "abcde", 0, 0);
-    test(S("abcde"), "abcdeabcde", 0, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S("abcde"), "", 1, 1);
-    test(S("abcde"), "abcde", 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcde"), "", 2, 2);
-    test(S("abcde"), "abcde", 2, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, S::npos);
-    test(S("abcde"), "", 4, 4);
-    test(S("abcde"), "abcde", 4, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, S::npos);
-    test(S("abcde"), "", 5, 5);
-    test(S("abcde"), "abcde", 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
-    test(S("abcde"), "", 6, S::npos);
-    test(S("abcde"), "abcde", 6, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, S::npos);
-    test(S("abcdeabcde"), "", 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S("abcdeabcde"), "", 1, 1);
-    test(S("abcdeabcde"), "abcde", 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcdeabcde"), "", 5, 5);
-    test(S("abcdeabcde"), "abcde", 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
-    test(S("abcdeabcde"), "", 9, 9);
-    test(S("abcdeabcde"), "abcde", 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, S::npos);
-    test(S("abcdeabcde"), "", 10, 10);
-    test(S("abcdeabcde"), "abcde", 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
-    test(S("abcdeabcde"), "", 11, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 1, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 19, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 20, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, S::npos);
+void test0() {
+  test(S(""), "", 0, 0);
+  test(S(""), "abcde", 0, S::npos);
+  test(S(""), "abcdeabcde", 0, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S(""), "", 1, S::npos);
+  test(S(""), "abcde", 1, S::npos);
+  test(S(""), "abcdeabcde", 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcde"), "", 0, 0);
+  test(S("abcde"), "abcde", 0, 0);
+  test(S("abcde"), "abcdeabcde", 0, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S("abcde"), "", 1, 1);
+  test(S("abcde"), "abcde", 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcde"), "", 2, 2);
+  test(S("abcde"), "abcde", 2, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, S::npos);
+  test(S("abcde"), "", 4, 4);
+  test(S("abcde"), "abcde", 4, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, S::npos);
+  test(S("abcde"), "", 5, 5);
+  test(S("abcde"), "abcde", 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
+  test(S("abcde"), "", 6, S::npos);
+  test(S("abcde"), "abcde", 6, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, S::npos);
+  test(S("abcdeabcde"), "", 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S("abcdeabcde"), "", 1, 1);
+  test(S("abcdeabcde"), "abcde", 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcdeabcde"), "", 5, 5);
+  test(S("abcdeabcde"), "abcde", 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
+  test(S("abcdeabcde"), "", 9, 9);
+  test(S("abcdeabcde"), "abcde", 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, S::npos);
+  test(S("abcdeabcde"), "", 10, 10);
+  test(S("abcdeabcde"), "abcde", 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
+  test(S("abcdeabcde"), "", 11, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 1, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 19, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 20, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", 0);
-    test(S(""), "abcde", S::npos);
-    test(S(""), "abcdeabcde", S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcde"), "", 0);
-    test(S("abcde"), "abcde", 0);
-    test(S("abcde"), "abcdeabcde", S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcdeabcde"), "", 0);
-    test(S("abcdeabcde"), "abcde", 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0);
+void test1() {
+  test(S(""), "", 0);
+  test(S(""), "abcde", S::npos);
+  test(S(""), "abcdeabcde", S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcde"), "", 0);
+  test(S("abcde"), "abcde", 0);
+  test(S("abcde"), "abcdeabcde", S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcdeabcde"), "", 0);
+  test(S("abcdeabcde"), "abcde", 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find( "") == 0, "" );
-    static_assert (sv1.find( "abcde") == SV::npos, "" );
-    static_assert (sv2.find( "") == 0, "" );
-    static_assert (sv2.find( "abcde") == 0, "" );
-    static_assert (sv2.find( "abcde", 1) == SV::npos, "" );
-    }
+    static_assert(sv1.find("") == 0, "");
+    static_assert(sv1.find("abcde") == SV::npos, "");
+    static_assert(sv2.find("") == 0, "");
+    static_assert(sv2.find("abcde") == 0, "");
+    static_assert(sv2.find("abcde", 1) == SV::npos, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_pointer_size_size.pass.cpp
@@ -19,379 +19,375 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos, n));
-    assert(s.find(str, pos, n) == x);
-    if (x != S::npos)
-        assert(pos <= x && x + n <= s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos, n));
+  assert(s.find(str, pos, n) == x);
+  if (x != S::npos)
+    assert(pos <= x && x + n <= s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, 0);
-    test(S(""), "abcde", 0, 0, 0);
-    test(S(""), "abcde", 0, 1, S::npos);
-    test(S(""), "abcde", 0, 2, S::npos);
-    test(S(""), "abcde", 0, 4, S::npos);
-    test(S(""), "abcde", 0, 5, S::npos);
-    test(S(""), "abcdeabcde", 0, 0, 0);
-    test(S(""), "abcdeabcde", 0, 1, S::npos);
-    test(S(""), "abcdeabcde", 0, 5, S::npos);
-    test(S(""), "abcdeabcde", 0, 9, S::npos);
-    test(S(""), "abcdeabcde", 0, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S(""), "", 1, 0, S::npos);
-    test(S(""), "abcde", 1, 0, S::npos);
-    test(S(""), "abcde", 1, 1, S::npos);
-    test(S(""), "abcde", 1, 2, S::npos);
-    test(S(""), "abcde", 1, 4, S::npos);
-    test(S(""), "abcde", 1, 5, S::npos);
-    test(S(""), "abcdeabcde", 1, 0, S::npos);
-    test(S(""), "abcdeabcde", 1, 1, S::npos);
-    test(S(""), "abcdeabcde", 1, 5, S::npos);
-    test(S(""), "abcdeabcde", 1, 9, S::npos);
-    test(S(""), "abcdeabcde", 1, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 0, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcde"), "", 0, 0, 0);
-    test(S("abcde"), "abcde", 0, 0, 0);
-    test(S("abcde"), "abcde", 0, 1, 0);
-    test(S("abcde"), "abcde", 0, 2, 0);
-    test(S("abcde"), "abcde", 0, 4, 0);
-    test(S("abcde"), "abcde", 0, 5, 0);
-    test(S("abcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcde"), "abcdeabcde", 0, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 0, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S("abcde"), "", 1, 0, 1);
-    test(S("abcde"), "abcde", 1, 0, 1);
-    test(S("abcde"), "abcde", 1, 1, S::npos);
-    test(S("abcde"), "abcde", 1, 2, S::npos);
-    test(S("abcde"), "abcde", 1, 4, S::npos);
-    test(S("abcde"), "abcde", 1, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcde"), "abcdeabcde", 1, 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcde"), "", 2, 0, 2);
-    test(S("abcde"), "abcde", 2, 0, 2);
-    test(S("abcde"), "abcde", 2, 1, S::npos);
-    test(S("abcde"), "abcde", 2, 2, S::npos);
-    test(S("abcde"), "abcde", 2, 4, S::npos);
-    test(S("abcde"), "abcde", 2, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, 0, 2);
-    test(S("abcde"), "abcdeabcde", 2, 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 0, 2);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 20, S::npos);
-    test(S("abcde"), "", 4, 0, 4);
-    test(S("abcde"), "abcde", 4, 0, 4);
-    test(S("abcde"), "abcde", 4, 1, S::npos);
-    test(S("abcde"), "abcde", 4, 2, S::npos);
-    test(S("abcde"), "abcde", 4, 4, S::npos);
-    test(S("abcde"), "abcde", 4, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, 0, 4);
-    test(S("abcde"), "abcdeabcde", 4, 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 0, 4);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 20, S::npos);
-    test(S("abcde"), "", 5, 0, 5);
-    test(S("abcde"), "abcde", 5, 0, 5);
-    test(S("abcde"), "abcde", 5, 1, S::npos);
-    test(S("abcde"), "abcde", 5, 2, S::npos);
+void test0() {
+  test(S(""), "", 0, 0, 0);
+  test(S(""), "abcde", 0, 0, 0);
+  test(S(""), "abcde", 0, 1, S::npos);
+  test(S(""), "abcde", 0, 2, S::npos);
+  test(S(""), "abcde", 0, 4, S::npos);
+  test(S(""), "abcde", 0, 5, S::npos);
+  test(S(""), "abcdeabcde", 0, 0, 0);
+  test(S(""), "abcdeabcde", 0, 1, S::npos);
+  test(S(""), "abcdeabcde", 0, 5, S::npos);
+  test(S(""), "abcdeabcde", 0, 9, S::npos);
+  test(S(""), "abcdeabcde", 0, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S(""), "", 1, 0, S::npos);
+  test(S(""), "abcde", 1, 0, S::npos);
+  test(S(""), "abcde", 1, 1, S::npos);
+  test(S(""), "abcde", 1, 2, S::npos);
+  test(S(""), "abcde", 1, 4, S::npos);
+  test(S(""), "abcde", 1, 5, S::npos);
+  test(S(""), "abcdeabcde", 1, 0, S::npos);
+  test(S(""), "abcdeabcde", 1, 1, S::npos);
+  test(S(""), "abcdeabcde", 1, 5, S::npos);
+  test(S(""), "abcdeabcde", 1, 9, S::npos);
+  test(S(""), "abcdeabcde", 1, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 0, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcde"), "", 0, 0, 0);
+  test(S("abcde"), "abcde", 0, 0, 0);
+  test(S("abcde"), "abcde", 0, 1, 0);
+  test(S("abcde"), "abcde", 0, 2, 0);
+  test(S("abcde"), "abcde", 0, 4, 0);
+  test(S("abcde"), "abcde", 0, 5, 0);
+  test(S("abcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcde"), "abcdeabcde", 0, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 0, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S("abcde"), "", 1, 0, 1);
+  test(S("abcde"), "abcde", 1, 0, 1);
+  test(S("abcde"), "abcde", 1, 1, S::npos);
+  test(S("abcde"), "abcde", 1, 2, S::npos);
+  test(S("abcde"), "abcde", 1, 4, S::npos);
+  test(S("abcde"), "abcde", 1, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcde"), "abcdeabcde", 1, 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcde"), "", 2, 0, 2);
+  test(S("abcde"), "abcde", 2, 0, 2);
+  test(S("abcde"), "abcde", 2, 1, S::npos);
+  test(S("abcde"), "abcde", 2, 2, S::npos);
+  test(S("abcde"), "abcde", 2, 4, S::npos);
+  test(S("abcde"), "abcde", 2, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, 0, 2);
+  test(S("abcde"), "abcdeabcde", 2, 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 0, 2);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 20, S::npos);
+  test(S("abcde"), "", 4, 0, 4);
+  test(S("abcde"), "abcde", 4, 0, 4);
+  test(S("abcde"), "abcde", 4, 1, S::npos);
+  test(S("abcde"), "abcde", 4, 2, S::npos);
+  test(S("abcde"), "abcde", 4, 4, S::npos);
+  test(S("abcde"), "abcde", 4, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, 0, 4);
+  test(S("abcde"), "abcdeabcde", 4, 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 0, 4);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 20, S::npos);
+  test(S("abcde"), "", 5, 0, 5);
+  test(S("abcde"), "abcde", 5, 0, 5);
+  test(S("abcde"), "abcde", 5, 1, S::npos);
+  test(S("abcde"), "abcde", 5, 2, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S("abcde"), "abcde", 5, 4, S::npos);
-    test(S("abcde"), "abcde", 5, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, 0, 5);
-    test(S("abcde"), "abcdeabcde", 5, 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
-    test(S("abcde"), "", 6, 0, S::npos);
-    test(S("abcde"), "abcde", 6, 0, S::npos);
-    test(S("abcde"), "abcde", 6, 1, S::npos);
-    test(S("abcde"), "abcde", 6, 2, S::npos);
-    test(S("abcde"), "abcde", 6, 4, S::npos);
-    test(S("abcde"), "abcde", 6, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 0, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 1, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 5, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 0, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 20, S::npos);
-    test(S("abcdeabcde"), "", 0, 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcde", 0, 2, 0);
-    test(S("abcdeabcde"), "abcde", 0, 4, 0);
-    test(S("abcdeabcde"), "abcde", 0, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S("abcdeabcde"), "", 1, 0, 1);
-    test(S("abcdeabcde"), "abcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcde", 1, 1, 5);
-    test(S("abcdeabcde"), "abcde", 1, 2, 5);
-    test(S("abcdeabcde"), "abcde", 1, 4, 5);
-    test(S("abcdeabcde"), "abcde", 1, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcdeabcde"), "", 5, 0, 5);
-    test(S("abcdeabcde"), "abcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcde", 5, 2, 5);
-    test(S("abcdeabcde"), "abcde", 5, 4, 5);
-    test(S("abcdeabcde"), "abcde", 5, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
-    test(S("abcdeabcde"), "", 9, 0, 9);
-    test(S("abcdeabcde"), "abcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcde", 9, 1, S::npos);
-    test(S("abcdeabcde"), "abcde", 9, 2, S::npos);
-    test(S("abcdeabcde"), "abcde", 9, 4, S::npos);
-    test(S("abcdeabcde"), "abcde", 9, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 20, S::npos);
-    test(S("abcdeabcde"), "", 10, 0, 10);
-    test(S("abcdeabcde"), "abcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcde", 10, 1, S::npos);
-    test(S("abcdeabcde"), "abcde", 10, 2, S::npos);
-    test(S("abcdeabcde"), "abcde", 10, 4, S::npos);
-    test(S("abcdeabcde"), "abcde", 10, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 1, S::npos);
+void test1() {
+  test(S("abcde"), "abcde", 5, 4, S::npos);
+  test(S("abcde"), "abcde", 5, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, 0, 5);
+  test(S("abcde"), "abcdeabcde", 5, 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
+  test(S("abcde"), "", 6, 0, S::npos);
+  test(S("abcde"), "abcde", 6, 0, S::npos);
+  test(S("abcde"), "abcde", 6, 1, S::npos);
+  test(S("abcde"), "abcde", 6, 2, S::npos);
+  test(S("abcde"), "abcde", 6, 4, S::npos);
+  test(S("abcde"), "abcde", 6, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 0, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 1, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 5, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 0, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 20, S::npos);
+  test(S("abcdeabcde"), "", 0, 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcde", 0, 2, 0);
+  test(S("abcdeabcde"), "abcde", 0, 4, 0);
+  test(S("abcdeabcde"), "abcde", 0, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S("abcdeabcde"), "", 1, 0, 1);
+  test(S("abcdeabcde"), "abcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcde", 1, 1, 5);
+  test(S("abcdeabcde"), "abcde", 1, 2, 5);
+  test(S("abcdeabcde"), "abcde", 1, 4, 5);
+  test(S("abcdeabcde"), "abcde", 1, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcdeabcde"), "", 5, 0, 5);
+  test(S("abcdeabcde"), "abcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcde", 5, 2, 5);
+  test(S("abcdeabcde"), "abcde", 5, 4, 5);
+  test(S("abcdeabcde"), "abcde", 5, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
+  test(S("abcdeabcde"), "", 9, 0, 9);
+  test(S("abcdeabcde"), "abcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcde", 9, 1, S::npos);
+  test(S("abcdeabcde"), "abcde", 9, 2, S::npos);
+  test(S("abcdeabcde"), "abcde", 9, 4, S::npos);
+  test(S("abcdeabcde"), "abcde", 9, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 20, S::npos);
+  test(S("abcdeabcde"), "", 10, 0, 10);
+  test(S("abcdeabcde"), "abcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcde", 10, 1, S::npos);
+  test(S("abcdeabcde"), "abcde", 10, 2, S::npos);
+  test(S("abcdeabcde"), "abcde", 10, 4, S::npos);
+  test(S("abcdeabcde"), "abcde", 10, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 1, S::npos);
 }
 
 template <class S>
-void test2()
-{
-    test(S("abcdeabcde"), "abcdeabcde", 10, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
-    test(S("abcdeabcde"), "", 11, 0, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, 0, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, 1, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, 2, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, 4, S::npos);
-    test(S("abcdeabcde"), "abcde", 11, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 0, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 5, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 9, S::npos);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 0, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 1, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 10, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 2, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 4, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 9, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 2, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 4, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 9, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 10, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 5);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 2, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 4, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 5, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 5, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 9, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 2, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 4, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 9, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 2, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 4, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 9, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0, 20);
+void test2() {
+  test(S("abcdeabcde"), "abcdeabcde", 10, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
+  test(S("abcdeabcde"), "", 11, 0, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, 0, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, 1, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, 2, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, 4, S::npos);
+  test(S("abcdeabcde"), "abcde", 11, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 0, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 5, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 9, S::npos);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 0, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 1, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 10, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 2, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 4, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 9, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 2, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 4, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 9, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 10, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 5);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 2, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 4, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 5, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 5, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 9, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 2, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 4, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 9, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 2, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 4, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 9, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0, 20);
 }
 
 template <class S>
-void test3()
-{
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 21, 0, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 0, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 2, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 4, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 0, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 5, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 9, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 20, S::npos);
+void test3() {
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 21, 0, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 0, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 2, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 4, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 0, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 5, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 9, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 20, S::npos);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find( "",      0, 0 ) == 0, "" );
-    static_assert (sv1.find( "abcde", 0, 0 ) == 0, "" );
-    static_assert (sv1.find( "abcde", 0, 1 ) == SV::npos, "" );
-    static_assert (sv2.find( "",      0, 0 ) == 0, "" );
-    static_assert (sv2.find( "abcde", 0, 0 ) == 0, "" );
-    static_assert (sv2.find( "abcde", 0, 1 ) == 0, "" );
-    }
+    static_assert(sv1.find("", 0, 0) == 0, "");
+    static_assert(sv1.find("abcde", 0, 0) == 0, "");
+    static_assert(sv1.find("abcde", 0, 1) == SV::npos, "");
+    static_assert(sv2.find("", 0, 0) == 0, "");
+    static_assert(sv2.find("abcde", 0, 0) == 0, "");
+    static_assert(sv2.find("abcde", 0, 1) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp
@@ -19,151 +19,144 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos));
-    assert(s.find(str, pos) == x);
-    if (x != S::npos)
-        assert(pos <= x && x + str.size() <= s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(str, pos));
+  assert(s.find(str, pos) == x);
+  if (x != S::npos)
+    assert(pos <= x && x + str.size() <= s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.find(str));
-    assert(s.find(str) == x);
-    if (x != S::npos)
-        assert(0 <= x && x + str.size() <= s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.find(str));
+  assert(s.find(str) == x);
+  if (x != S::npos)
+    assert(0 <= x && x + str.size() <= s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, 0);
-    test(S(""), S("abcde"), 0, S::npos);
-    test(S(""), S("abcdeabcde"), 0, S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S(""), S(""), 1, S::npos);
-    test(S(""), S("abcde"), 1, S::npos);
-    test(S(""), S("abcdeabcde"), 1, S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcde"), S(""), 0, 0);
-    test(S("abcde"), S("abcde"), 0, 0);
-    test(S("abcde"), S("abcdeabcde"), 0, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S("abcde"), S(""), 1, 1);
-    test(S("abcde"), S("abcde"), 1, S::npos);
-    test(S("abcde"), S("abcdeabcde"), 1, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcde"), S(""), 2, 2);
-    test(S("abcde"), S("abcde"), 2, S::npos);
-    test(S("abcde"), S("abcdeabcde"), 2, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos);
-    test(S("abcde"), S(""), 4, 4);
-    test(S("abcde"), S("abcde"), 4, S::npos);
-    test(S("abcde"), S("abcdeabcde"), 4, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos);
-    test(S("abcde"), S(""), 5, 5);
-    test(S("abcde"), S("abcde"), 5, S::npos);
-    test(S("abcde"), S("abcdeabcde"), 5, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
-    test(S("abcde"), S(""), 6, S::npos);
-    test(S("abcde"), S("abcde"), 6, S::npos);
-    test(S("abcde"), S("abcdeabcde"), 6, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos);
-    test(S("abcdeabcde"), S(""), 0, 0);
-    test(S("abcdeabcde"), S("abcde"), 0, 0);
-    test(S("abcdeabcde"), S("abcdeabcde"), 0, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S("abcdeabcde"), S(""), 1, 1);
-    test(S("abcdeabcde"), S("abcde"), 1, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 1, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcdeabcde"), S(""), 5, 5);
-    test(S("abcdeabcde"), S("abcde"), 5, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 5, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
-    test(S("abcdeabcde"), S(""), 9, 9);
-    test(S("abcdeabcde"), S("abcde"), 9, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcde"), 9, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos);
-    test(S("abcdeabcde"), S(""), 10, 10);
-    test(S("abcdeabcde"), S("abcde"), 10, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcde"), 10, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
-    test(S("abcdeabcde"), S(""), 11, S::npos);
-    test(S("abcdeabcde"), S("abcde"), 11, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcde"), 11, S::npos);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 5);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, S::npos);
+void test0() {
+  test(S(""), S(""), 0, 0);
+  test(S(""), S("abcde"), 0, S::npos);
+  test(S(""), S("abcdeabcde"), 0, S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S(""), S(""), 1, S::npos);
+  test(S(""), S("abcde"), 1, S::npos);
+  test(S(""), S("abcdeabcde"), 1, S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcde"), S(""), 0, 0);
+  test(S("abcde"), S("abcde"), 0, 0);
+  test(S("abcde"), S("abcdeabcde"), 0, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S("abcde"), S(""), 1, 1);
+  test(S("abcde"), S("abcde"), 1, S::npos);
+  test(S("abcde"), S("abcdeabcde"), 1, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcde"), S(""), 2, 2);
+  test(S("abcde"), S("abcde"), 2, S::npos);
+  test(S("abcde"), S("abcdeabcde"), 2, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos);
+  test(S("abcde"), S(""), 4, 4);
+  test(S("abcde"), S("abcde"), 4, S::npos);
+  test(S("abcde"), S("abcdeabcde"), 4, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos);
+  test(S("abcde"), S(""), 5, 5);
+  test(S("abcde"), S("abcde"), 5, S::npos);
+  test(S("abcde"), S("abcdeabcde"), 5, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
+  test(S("abcde"), S(""), 6, S::npos);
+  test(S("abcde"), S("abcde"), 6, S::npos);
+  test(S("abcde"), S("abcdeabcde"), 6, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos);
+  test(S("abcdeabcde"), S(""), 0, 0);
+  test(S("abcdeabcde"), S("abcde"), 0, 0);
+  test(S("abcdeabcde"), S("abcdeabcde"), 0, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S("abcdeabcde"), S(""), 1, 1);
+  test(S("abcdeabcde"), S("abcde"), 1, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 1, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcdeabcde"), S(""), 5, 5);
+  test(S("abcdeabcde"), S("abcde"), 5, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 5, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
+  test(S("abcdeabcde"), S(""), 9, 9);
+  test(S("abcdeabcde"), S("abcde"), 9, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcde"), 9, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos);
+  test(S("abcdeabcde"), S(""), 10, 10);
+  test(S("abcdeabcde"), S("abcde"), 10, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcde"), 10, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
+  test(S("abcdeabcde"), S(""), 11, S::npos);
+  test(S("abcdeabcde"), S("abcde"), 11, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcde"), 11, S::npos);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 5);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, S::npos);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), 0);
-    test(S(""), S("abcde"), S::npos);
-    test(S(""), S("abcdeabcde"), S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcde"), S(""), 0);
-    test(S("abcde"), S("abcde"), 0);
-    test(S("abcde"), S("abcdeabcde"), S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcdeabcde"), S(""), 0);
-    test(S("abcdeabcde"), S("abcde"), 0);
-    test(S("abcdeabcde"), S("abcdeabcde"), 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0);
+void test1() {
+  test(S(""), S(""), 0);
+  test(S(""), S("abcde"), S::npos);
+  test(S(""), S("abcdeabcde"), S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcde"), S(""), 0);
+  test(S("abcde"), S("abcde"), 0);
+  test(S("abcde"), S("abcdeabcde"), S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcdeabcde"), S(""), 0);
+  test(S("abcdeabcde"), S("abcde"), 0);
+  test(S("abcdeabcde"), S("abcdeabcde"), 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.find(sv1) == 0, "" );
-    static_assert (sv1.find(sv2) == SV::npos, "" );
-    static_assert (sv2.find(sv1) == 0, "" );
-    static_assert (sv2.find(sv2) == 0, "" );
-    static_assert (sv2.find(sv2, 1 ) == SV::npos, "" );
-    }
+    static_assert(sv1.find(sv1) == 0, "");
+    static_assert(sv1.find(sv2) == SV::npos, "");
+    static_assert(sv2.find(sv1) == 0, "");
+    static_assert(sv2.find(sv2) == 0, "");
+    static_assert(sv2.find(sv2, 1) == SV::npos, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/rfind_char_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/rfind_char_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/rfind_char_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/rfind_char_size.pass.cpp
@@ -18,29 +18,23 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(c, pos));
-    assert(s.rfind(c, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x + 1 <= s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(c, pos));
+  assert(s.rfind(c, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x + 1 <= s.size());
 }
 
 template <class S>
-void
-test(const S& s, typename S::value_type c, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(c));
-    assert(s.rfind(c) == x);
-    if (x != S::npos)
-        assert(x + 1 <= s.size());
+void test(const S& s, typename S::value_type c, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(c));
+  assert(s.rfind(c) == x);
+  if (x != S::npos)
+    assert(x + 1 <= s.size());
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test(S(""), 'b', 0, S::npos);
     test(S(""), 'b', 1, S::npos);
@@ -67,22 +61,22 @@
     test(S("abcde"), 'b', 1);
     test(S("abcdeabcde"), 'b', 6);
     test(S("abcdeabcdeabcdeabcde"), 'b', 16);
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.rfind( 'b', 0 ) == SV::npos, "" );
-    static_assert (sv1.rfind( 'b', 1 ) == SV::npos, "" );
-    static_assert (sv2.rfind( 'b', 0 ) == SV::npos, "" );
-    static_assert (sv2.rfind( 'b', 1 ) == 1, "" );
-    static_assert (sv2.rfind( 'b', 2 ) == 1, "" );
-    static_assert (sv2.rfind( 'b', 3 ) == 1, "" );
-    static_assert (sv2.rfind( 'b', 4 ) == 1, "" );
-    }
+    static_assert(sv1.rfind('b', 0) == SV::npos, "");
+    static_assert(sv1.rfind('b', 1) == SV::npos, "");
+    static_assert(sv2.rfind('b', 0) == SV::npos, "");
+    static_assert(sv2.rfind('b', 1) == 1, "");
+    static_assert(sv2.rfind('b', 2) == 1, "");
+    static_assert(sv2.rfind('b', 3) == 1, "");
+    static_assert(sv2.rfind('b', 4) == 1, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size.pass.cpp
@@ -18,159 +18,149 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-     typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos));
-    assert(s.rfind(str, pos) == x);
-    if (x != S::npos)
-    {
-        typename S::size_type n = S::traits_type::length(str);
-        assert(x <= pos && x + n <= s.size());
-    }
+void test(const S& s, const typename S::value_type* str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos));
+  assert(s.rfind(str, pos) == x);
+  if (x != S::npos) {
+    typename S::size_type n = S::traits_type::length(str);
+    assert(x <= pos && x + n <= s.size());
+  }
 }
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(str));
-    assert(s.rfind(str) == x);
-    if (x != S::npos)
-    {
-        typename S::size_type pos = s.size();
-        typename S::size_type n = S::traits_type::length(str);
-        assert(x <= pos && x + n <= s.size());
-    }
+void test(const S& s, const typename S::value_type* str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(str));
+  assert(s.rfind(str) == x);
+  if (x != S::npos) {
+    typename S::size_type pos = s.size();
+    typename S::size_type n   = S::traits_type::length(str);
+    assert(x <= pos && x + n <= s.size());
+  }
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0);
-    test(S(""), "abcde", 0, S::npos);
-    test(S(""), "abcdeabcde", 0, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S(""), "", 1, 0);
-    test(S(""), "abcde", 1, S::npos);
-    test(S(""), "abcdeabcde", 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcde"), "", 0, 0);
-    test(S("abcde"), "abcde", 0, 0);
-    test(S("abcde"), "abcdeabcde", 0, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S("abcde"), "", 1, 1);
-    test(S("abcde"), "abcde", 1, 0);
-    test(S("abcde"), "abcdeabcde", 1, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcde"), "", 2, 2);
-    test(S("abcde"), "abcde", 2, 0);
-    test(S("abcde"), "abcdeabcde", 2, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, S::npos);
-    test(S("abcde"), "", 4, 4);
-    test(S("abcde"), "abcde", 4, 0);
-    test(S("abcde"), "abcdeabcde", 4, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, S::npos);
-    test(S("abcde"), "", 5, 5);
-    test(S("abcde"), "abcde", 5, 0);
-    test(S("abcde"), "abcdeabcde", 5, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
-    test(S("abcde"), "", 6, 5);
-    test(S("abcde"), "abcde", 6, 0);
-    test(S("abcde"), "abcdeabcde", 6, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, S::npos);
-    test(S("abcdeabcde"), "", 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
-    test(S("abcdeabcde"), "", 1, 1);
-    test(S("abcdeabcde"), "abcde", 1, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
-    test(S("abcdeabcde"), "", 5, 5);
-    test(S("abcdeabcde"), "abcde", 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
-    test(S("abcdeabcde"), "", 9, 9);
-    test(S("abcdeabcde"), "abcde", 9, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, S::npos);
-    test(S("abcdeabcde"), "", 10, 10);
-    test(S("abcdeabcde"), "abcde", 10, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
-    test(S("abcdeabcde"), "", 11, 10);
-    test(S("abcdeabcde"), "abcde", 11, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 1, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 19, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 20, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 21, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0);
+void test0() {
+  test(S(""), "", 0, 0);
+  test(S(""), "abcde", 0, S::npos);
+  test(S(""), "abcdeabcde", 0, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S(""), "", 1, 0);
+  test(S(""), "abcde", 1, S::npos);
+  test(S(""), "abcdeabcde", 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcde"), "", 0, 0);
+  test(S("abcde"), "abcde", 0, 0);
+  test(S("abcde"), "abcdeabcde", 0, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S("abcde"), "", 1, 1);
+  test(S("abcde"), "abcde", 1, 0);
+  test(S("abcde"), "abcdeabcde", 1, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcde"), "", 2, 2);
+  test(S("abcde"), "abcde", 2, 0);
+  test(S("abcde"), "abcdeabcde", 2, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, S::npos);
+  test(S("abcde"), "", 4, 4);
+  test(S("abcde"), "abcde", 4, 0);
+  test(S("abcde"), "abcdeabcde", 4, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, S::npos);
+  test(S("abcde"), "", 5, 5);
+  test(S("abcde"), "abcde", 5, 0);
+  test(S("abcde"), "abcdeabcde", 5, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
+  test(S("abcde"), "", 6, 5);
+  test(S("abcde"), "abcde", 6, 0);
+  test(S("abcde"), "abcdeabcde", 6, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, S::npos);
+  test(S("abcdeabcde"), "", 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
+  test(S("abcdeabcde"), "", 1, 1);
+  test(S("abcdeabcde"), "abcde", 1, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
+  test(S("abcdeabcde"), "", 5, 5);
+  test(S("abcdeabcde"), "abcde", 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
+  test(S("abcdeabcde"), "", 9, 9);
+  test(S("abcdeabcde"), "abcde", 9, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, S::npos);
+  test(S("abcdeabcde"), "", 10, 10);
+  test(S("abcdeabcde"), "abcde", 10, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
+  test(S("abcdeabcde"), "", 11, 10);
+  test(S("abcdeabcde"), "abcde", 11, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 1, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 19, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 20, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 21, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), "", 0);
-    test(S(""), "abcde", S::npos);
-    test(S(""), "abcdeabcde", S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcde"), "", 5);
-    test(S("abcde"), "abcde", 0);
-    test(S("abcde"), "abcdeabcde", S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcdeabcde"), "", 10);
-    test(S("abcdeabcde"), "abcde", 5);
-    test(S("abcdeabcde"), "abcdeabcde", 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0);
+void test1() {
+  test(S(""), "", 0);
+  test(S(""), "abcde", S::npos);
+  test(S(""), "abcdeabcde", S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcde"), "", 5);
+  test(S("abcde"), "abcde", 0);
+  test(S("abcde"), "abcdeabcde", S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcdeabcde"), "", 10);
+  test(S("abcdeabcde"), "abcde", 5);
+  test(S("abcdeabcde"), "abcdeabcde", 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.rfind( "") == 0, "" );
-    static_assert (sv1.rfind( "abcde") == SV::npos, "" );
-    static_assert (sv2.rfind( "") == 5, "" );
-    static_assert (sv2.rfind( "abcde") == 0, "" );
-    static_assert (sv2.rfind( "abcde", 1) == 0, "" );
-    }
+    static_assert(sv1.rfind("") == 0, "");
+    static_assert(sv1.rfind("abcde") == SV::npos, "");
+    static_assert(sv2.rfind("") == 5, "");
+    static_assert(sv2.rfind("abcde") == 0, "");
+    static_assert(sv2.rfind("abcde", 1) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/rfind_pointer_size_size.pass.cpp
@@ -18,379 +18,375 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const typename S::value_type* str, typename S::size_type pos,
-      typename S::size_type n, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos, n));
-    assert(s.rfind(str, pos, n) == x);
-    if (x != S::npos)
-        assert(x <= pos && x + n <= s.size());
+void test(const S& s,
+          const typename S::value_type* str,
+          typename S::size_type pos,
+          typename S::size_type n,
+          typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos, n));
+  assert(s.rfind(str, pos, n) == x);
+  if (x != S::npos)
+    assert(x <= pos && x + n <= s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), "", 0, 0, 0);
-    test(S(""), "abcde", 0, 0, 0);
-    test(S(""), "abcde", 0, 1, S::npos);
-    test(S(""), "abcde", 0, 2, S::npos);
-    test(S(""), "abcde", 0, 4, S::npos);
-    test(S(""), "abcde", 0, 5, S::npos);
-    test(S(""), "abcdeabcde", 0, 0, 0);
-    test(S(""), "abcdeabcde", 0, 1, S::npos);
-    test(S(""), "abcdeabcde", 0, 5, S::npos);
-    test(S(""), "abcdeabcde", 0, 9, S::npos);
-    test(S(""), "abcdeabcde", 0, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S(""), "", 1, 0, 0);
-    test(S(""), "abcde", 1, 0, 0);
-    test(S(""), "abcde", 1, 1, S::npos);
-    test(S(""), "abcde", 1, 2, S::npos);
-    test(S(""), "abcde", 1, 4, S::npos);
-    test(S(""), "abcde", 1, 5, S::npos);
-    test(S(""), "abcdeabcde", 1, 0, 0);
-    test(S(""), "abcdeabcde", 1, 1, S::npos);
-    test(S(""), "abcdeabcde", 1, 5, S::npos);
-    test(S(""), "abcdeabcde", 1, 9, S::npos);
-    test(S(""), "abcdeabcde", 1, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 0, 0);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S(""), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcde"), "", 0, 0, 0);
-    test(S("abcde"), "abcde", 0, 0, 0);
-    test(S("abcde"), "abcde", 0, 1, 0);
-    test(S("abcde"), "abcde", 0, 2, 0);
-    test(S("abcde"), "abcde", 0, 4, 0);
-    test(S("abcde"), "abcde", 0, 5, 0);
-    test(S("abcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcde"), "abcdeabcde", 0, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 0, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S("abcde"), "", 1, 0, 1);
-    test(S("abcde"), "abcde", 1, 0, 1);
-    test(S("abcde"), "abcde", 1, 1, 0);
-    test(S("abcde"), "abcde", 1, 2, 0);
-    test(S("abcde"), "abcde", 1, 4, 0);
-    test(S("abcde"), "abcde", 1, 5, 0);
-    test(S("abcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcde"), "abcdeabcde", 1, 1, 0);
-    test(S("abcde"), "abcdeabcde", 1, 5, 0);
-    test(S("abcde"), "abcdeabcde", 1, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 1, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcde"), "", 2, 0, 2);
-    test(S("abcde"), "abcde", 2, 0, 2);
-    test(S("abcde"), "abcde", 2, 1, 0);
-    test(S("abcde"), "abcde", 2, 2, 0);
-    test(S("abcde"), "abcde", 2, 4, 0);
-    test(S("abcde"), "abcde", 2, 5, 0);
-    test(S("abcde"), "abcdeabcde", 2, 0, 2);
-    test(S("abcde"), "abcdeabcde", 2, 1, 0);
-    test(S("abcde"), "abcdeabcde", 2, 5, 0);
-    test(S("abcde"), "abcdeabcde", 2, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 2, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 0, 2);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 20, S::npos);
-    test(S("abcde"), "", 4, 0, 4);
-    test(S("abcde"), "abcde", 4, 0, 4);
-    test(S("abcde"), "abcde", 4, 1, 0);
-    test(S("abcde"), "abcde", 4, 2, 0);
-    test(S("abcde"), "abcde", 4, 4, 0);
-    test(S("abcde"), "abcde", 4, 5, 0);
-    test(S("abcde"), "abcdeabcde", 4, 0, 4);
-    test(S("abcde"), "abcdeabcde", 4, 1, 0);
-    test(S("abcde"), "abcdeabcde", 4, 5, 0);
-    test(S("abcde"), "abcdeabcde", 4, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 4, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 0, 4);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 20, S::npos);
-    test(S("abcde"), "", 5, 0, 5);
-    test(S("abcde"), "abcde", 5, 0, 5);
-    test(S("abcde"), "abcde", 5, 1, 0);
-    test(S("abcde"), "abcde", 5, 2, 0);
+void test0() {
+  test(S(""), "", 0, 0, 0);
+  test(S(""), "abcde", 0, 0, 0);
+  test(S(""), "abcde", 0, 1, S::npos);
+  test(S(""), "abcde", 0, 2, S::npos);
+  test(S(""), "abcde", 0, 4, S::npos);
+  test(S(""), "abcde", 0, 5, S::npos);
+  test(S(""), "abcdeabcde", 0, 0, 0);
+  test(S(""), "abcdeabcde", 0, 1, S::npos);
+  test(S(""), "abcdeabcde", 0, 5, S::npos);
+  test(S(""), "abcdeabcde", 0, 9, S::npos);
+  test(S(""), "abcdeabcde", 0, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S(""), "", 1, 0, 0);
+  test(S(""), "abcde", 1, 0, 0);
+  test(S(""), "abcde", 1, 1, S::npos);
+  test(S(""), "abcde", 1, 2, S::npos);
+  test(S(""), "abcde", 1, 4, S::npos);
+  test(S(""), "abcde", 1, 5, S::npos);
+  test(S(""), "abcdeabcde", 1, 0, 0);
+  test(S(""), "abcdeabcde", 1, 1, S::npos);
+  test(S(""), "abcdeabcde", 1, 5, S::npos);
+  test(S(""), "abcdeabcde", 1, 9, S::npos);
+  test(S(""), "abcdeabcde", 1, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 0, 0);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S(""), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcde"), "", 0, 0, 0);
+  test(S("abcde"), "abcde", 0, 0, 0);
+  test(S("abcde"), "abcde", 0, 1, 0);
+  test(S("abcde"), "abcde", 0, 2, 0);
+  test(S("abcde"), "abcde", 0, 4, 0);
+  test(S("abcde"), "abcde", 0, 5, 0);
+  test(S("abcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcde"), "abcdeabcde", 0, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 0, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S("abcde"), "", 1, 0, 1);
+  test(S("abcde"), "abcde", 1, 0, 1);
+  test(S("abcde"), "abcde", 1, 1, 0);
+  test(S("abcde"), "abcde", 1, 2, 0);
+  test(S("abcde"), "abcde", 1, 4, 0);
+  test(S("abcde"), "abcde", 1, 5, 0);
+  test(S("abcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcde"), "abcdeabcde", 1, 1, 0);
+  test(S("abcde"), "abcdeabcde", 1, 5, 0);
+  test(S("abcde"), "abcdeabcde", 1, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 1, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcde"), "", 2, 0, 2);
+  test(S("abcde"), "abcde", 2, 0, 2);
+  test(S("abcde"), "abcde", 2, 1, 0);
+  test(S("abcde"), "abcde", 2, 2, 0);
+  test(S("abcde"), "abcde", 2, 4, 0);
+  test(S("abcde"), "abcde", 2, 5, 0);
+  test(S("abcde"), "abcdeabcde", 2, 0, 2);
+  test(S("abcde"), "abcdeabcde", 2, 1, 0);
+  test(S("abcde"), "abcdeabcde", 2, 5, 0);
+  test(S("abcde"), "abcdeabcde", 2, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 2, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 0, 2);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 20, S::npos);
+  test(S("abcde"), "", 4, 0, 4);
+  test(S("abcde"), "abcde", 4, 0, 4);
+  test(S("abcde"), "abcde", 4, 1, 0);
+  test(S("abcde"), "abcde", 4, 2, 0);
+  test(S("abcde"), "abcde", 4, 4, 0);
+  test(S("abcde"), "abcde", 4, 5, 0);
+  test(S("abcde"), "abcdeabcde", 4, 0, 4);
+  test(S("abcde"), "abcdeabcde", 4, 1, 0);
+  test(S("abcde"), "abcdeabcde", 4, 5, 0);
+  test(S("abcde"), "abcdeabcde", 4, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 4, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 0, 4);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 20, S::npos);
+  test(S("abcde"), "", 5, 0, 5);
+  test(S("abcde"), "abcde", 5, 0, 5);
+  test(S("abcde"), "abcde", 5, 1, 0);
+  test(S("abcde"), "abcde", 5, 2, 0);
 }
 
 template <class S>
-void test1()
-{
-    test(S("abcde"), "abcde", 5, 4, 0);
-    test(S("abcde"), "abcde", 5, 5, 0);
-    test(S("abcde"), "abcdeabcde", 5, 0, 5);
-    test(S("abcde"), "abcdeabcde", 5, 1, 0);
-    test(S("abcde"), "abcdeabcde", 5, 5, 0);
-    test(S("abcde"), "abcdeabcde", 5, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 5, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
-    test(S("abcde"), "", 6, 0, 5);
-    test(S("abcde"), "abcde", 6, 0, 5);
-    test(S("abcde"), "abcde", 6, 1, 0);
-    test(S("abcde"), "abcde", 6, 2, 0);
-    test(S("abcde"), "abcde", 6, 4, 0);
-    test(S("abcde"), "abcde", 6, 5, 0);
-    test(S("abcde"), "abcdeabcde", 6, 0, 5);
-    test(S("abcde"), "abcdeabcde", 6, 1, 0);
-    test(S("abcde"), "abcdeabcde", 6, 5, 0);
-    test(S("abcde"), "abcdeabcde", 6, 9, S::npos);
-    test(S("abcde"), "abcdeabcde", 6, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 0, 5);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 1, 0);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 10, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 19, S::npos);
-    test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 20, S::npos);
-    test(S("abcdeabcde"), "", 0, 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcde", 0, 2, 0);
-    test(S("abcdeabcde"), "abcde", 0, 4, 0);
-    test(S("abcdeabcde"), "abcde", 0, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 0, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
-    test(S("abcdeabcde"), "", 1, 0, 1);
-    test(S("abcdeabcde"), "abcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcde", 1, 1, 0);
-    test(S("abcdeabcde"), "abcde", 1, 2, 0);
-    test(S("abcdeabcde"), "abcde", 1, 4, 0);
-    test(S("abcdeabcde"), "abcde", 1, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 5, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 1, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
-    test(S("abcdeabcde"), "", 5, 0, 5);
-    test(S("abcdeabcde"), "abcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcde", 5, 2, 5);
-    test(S("abcdeabcde"), "abcde", 5, 4, 5);
-    test(S("abcdeabcde"), "abcde", 5, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 5, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
-    test(S("abcdeabcde"), "", 9, 0, 9);
-    test(S("abcdeabcde"), "abcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcde", 9, 1, 5);
-    test(S("abcdeabcde"), "abcde", 9, 2, 5);
-    test(S("abcdeabcde"), "abcde", 9, 4, 5);
-    test(S("abcdeabcde"), "abcde", 9, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 9, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 0, 9);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 20, S::npos);
-    test(S("abcdeabcde"), "", 10, 0, 10);
-    test(S("abcdeabcde"), "abcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcde", 10, 1, 5);
-    test(S("abcdeabcde"), "abcde", 10, 2, 5);
-    test(S("abcdeabcde"), "abcde", 10, 4, 5);
-    test(S("abcdeabcde"), "abcde", 10, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 1, 5);
+void test1() {
+  test(S("abcde"), "abcde", 5, 4, 0);
+  test(S("abcde"), "abcde", 5, 5, 0);
+  test(S("abcde"), "abcdeabcde", 5, 0, 5);
+  test(S("abcde"), "abcdeabcde", 5, 1, 0);
+  test(S("abcde"), "abcdeabcde", 5, 5, 0);
+  test(S("abcde"), "abcdeabcde", 5, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 5, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
+  test(S("abcde"), "", 6, 0, 5);
+  test(S("abcde"), "abcde", 6, 0, 5);
+  test(S("abcde"), "abcde", 6, 1, 0);
+  test(S("abcde"), "abcde", 6, 2, 0);
+  test(S("abcde"), "abcde", 6, 4, 0);
+  test(S("abcde"), "abcde", 6, 5, 0);
+  test(S("abcde"), "abcdeabcde", 6, 0, 5);
+  test(S("abcde"), "abcdeabcde", 6, 1, 0);
+  test(S("abcde"), "abcdeabcde", 6, 5, 0);
+  test(S("abcde"), "abcdeabcde", 6, 9, S::npos);
+  test(S("abcde"), "abcdeabcde", 6, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 0, 5);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 1, 0);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 10, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 19, S::npos);
+  test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 20, S::npos);
+  test(S("abcdeabcde"), "", 0, 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcde", 0, 2, 0);
+  test(S("abcdeabcde"), "abcde", 0, 4, 0);
+  test(S("abcdeabcde"), "abcde", 0, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 0, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
+  test(S("abcdeabcde"), "", 1, 0, 1);
+  test(S("abcdeabcde"), "abcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcde", 1, 1, 0);
+  test(S("abcdeabcde"), "abcde", 1, 2, 0);
+  test(S("abcdeabcde"), "abcde", 1, 4, 0);
+  test(S("abcdeabcde"), "abcde", 1, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 5, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 1, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
+  test(S("abcdeabcde"), "", 5, 0, 5);
+  test(S("abcdeabcde"), "abcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcde", 5, 2, 5);
+  test(S("abcdeabcde"), "abcde", 5, 4, 5);
+  test(S("abcdeabcde"), "abcde", 5, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 5, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
+  test(S("abcdeabcde"), "", 9, 0, 9);
+  test(S("abcdeabcde"), "abcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcde", 9, 1, 5);
+  test(S("abcdeabcde"), "abcde", 9, 2, 5);
+  test(S("abcdeabcde"), "abcde", 9, 4, 5);
+  test(S("abcdeabcde"), "abcde", 9, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 9, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 0, 9);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 20, S::npos);
+  test(S("abcdeabcde"), "", 10, 0, 10);
+  test(S("abcdeabcde"), "abcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcde", 10, 1, 5);
+  test(S("abcdeabcde"), "abcde", 10, 2, 5);
+  test(S("abcdeabcde"), "abcde", 10, 4, 5);
+  test(S("abcdeabcde"), "abcde", 10, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 1, 5);
 }
 
 template <class S>
-void test2()
-{
-    test(S("abcdeabcde"), "abcdeabcde", 10, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 10, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
-    test(S("abcdeabcde"), "", 11, 0, 10);
-    test(S("abcdeabcde"), "abcde", 11, 0, 10);
-    test(S("abcdeabcde"), "abcde", 11, 1, 5);
-    test(S("abcdeabcde"), "abcde", 11, 2, 5);
-    test(S("abcdeabcde"), "abcde", 11, 4, 5);
-    test(S("abcdeabcde"), "abcde", 11, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 5, 5);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 9, 0);
-    test(S("abcdeabcde"), "abcdeabcde", 11, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 0, 10);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 1, 5);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 10, 0);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 19, S::npos);
-    test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 20, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), "", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 2, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 4, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 9, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 2, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 4, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 9, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 2, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 4, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 5, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 5, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 9, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 2, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 4, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 9, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0, 19);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 2, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 4, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 9, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0, 20);
+void test2() {
+  test(S("abcdeabcde"), "abcdeabcde", 10, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 10, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
+  test(S("abcdeabcde"), "", 11, 0, 10);
+  test(S("abcdeabcde"), "abcde", 11, 0, 10);
+  test(S("abcdeabcde"), "abcde", 11, 1, 5);
+  test(S("abcdeabcde"), "abcde", 11, 2, 5);
+  test(S("abcdeabcde"), "abcde", 11, 4, 5);
+  test(S("abcdeabcde"), "abcde", 11, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 5, 5);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 9, 0);
+  test(S("abcdeabcde"), "abcdeabcde", 11, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 0, 10);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 1, 5);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 10, 0);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 19, S::npos);
+  test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 20, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), "", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 2, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 4, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 9, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 2, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 4, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 9, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 2, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 4, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 5, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 5, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 9, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 2, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 4, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 9, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0, 19);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 2, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 4, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 9, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0, 20);
 }
 
 template <class S>
-void test3()
-{
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), "", 21, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 2, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 4, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 5, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 9, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0, 20);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 1, 15);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 20, 0);
+void test3() {
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), "", 21, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 2, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 4, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 5, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 9, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0, 20);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 1, 15);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 20, 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
     test2<S>();
     test3<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.rfind( "",      0, 0 ) == 0, "" );
-    static_assert (sv1.rfind( "abcde", 0, 0 ) == 0, "" );
-    static_assert (sv1.rfind( "abcde", 0, 1 ) == SV::npos, "" );
-    static_assert (sv2.rfind( "",      0, 0 ) == 0, "" );
-    static_assert (sv2.rfind( "abcde", 0, 0 ) == 0, "" );
-    static_assert (sv2.rfind( "abcde", 0, 1 ) == 0, "" );
-    }
+    static_assert(sv1.rfind("", 0, 0) == 0, "");
+    static_assert(sv1.rfind("abcde", 0, 0) == 0, "");
+    static_assert(sv1.rfind("abcde", 0, 1) == SV::npos, "");
+    static_assert(sv2.rfind("", 0, 0) == 0, "");
+    static_assert(sv2.rfind("abcde", 0, 0) == 0, "");
+    static_assert(sv2.rfind("abcde", 0, 1) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.find/rfind_string_view_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.find/rfind_string_view_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.find/rfind_string_view_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.find/rfind_string_view_size.pass.cpp
@@ -19,151 +19,144 @@
 #include "constexpr_char_traits.h"
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos));
-    assert(s.rfind(str, pos) == x);
-    if (x != S::npos)
-        assert(x <= pos && x + str.size() <= s.size());
+void test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos));
+  assert(s.rfind(str, pos) == x);
+  if (x != S::npos)
+    assert(x <= pos && x + str.size() <= s.size());
 }
 
 template <class S>
-void
-test(const S& s, const S& str, typename S::size_type x)
-{
-    LIBCPP_ASSERT_NOEXCEPT(s.rfind(str));
-    assert(s.rfind(str) == x);
-    if (x != S::npos)
-        assert(0 <= x && x + str.size() <= s.size());
+void test(const S& s, const S& str, typename S::size_type x) {
+  LIBCPP_ASSERT_NOEXCEPT(s.rfind(str));
+  assert(s.rfind(str) == x);
+  if (x != S::npos)
+    assert(0 <= x && x + str.size() <= s.size());
 }
 
 template <class S>
-void test0()
-{
-    test(S(""), S(""), 0, 0);
-    test(S(""), S("abcde"), 0, S::npos);
-    test(S(""), S("abcdeabcde"), 0, S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S(""), S(""), 1, 0);
-    test(S(""), S("abcde"), 1, S::npos);
-    test(S(""), S("abcdeabcde"), 1, S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcde"), S(""), 0, 0);
-    test(S("abcde"), S("abcde"), 0, 0);
-    test(S("abcde"), S("abcdeabcde"), 0, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S("abcde"), S(""), 1, 1);
-    test(S("abcde"), S("abcde"), 1, 0);
-    test(S("abcde"), S("abcdeabcde"), 1, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcde"), S(""), 2, 2);
-    test(S("abcde"), S("abcde"), 2, 0);
-    test(S("abcde"), S("abcdeabcde"), 2, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos);
-    test(S("abcde"), S(""), 4, 4);
-    test(S("abcde"), S("abcde"), 4, 0);
-    test(S("abcde"), S("abcdeabcde"), 4, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos);
-    test(S("abcde"), S(""), 5, 5);
-    test(S("abcde"), S("abcde"), 5, 0);
-    test(S("abcde"), S("abcdeabcde"), 5, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
-    test(S("abcde"), S(""), 6, 5);
-    test(S("abcde"), S("abcde"), 6, 0);
-    test(S("abcde"), S("abcdeabcde"), 6, S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos);
-    test(S("abcdeabcde"), S(""), 0, 0);
-    test(S("abcdeabcde"), S("abcde"), 0, 0);
-    test(S("abcdeabcde"), S("abcdeabcde"), 0, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
-    test(S("abcdeabcde"), S(""), 1, 1);
-    test(S("abcdeabcde"), S("abcde"), 1, 0);
-    test(S("abcdeabcde"), S("abcdeabcde"), 1, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
-    test(S("abcdeabcde"), S(""), 5, 5);
-    test(S("abcdeabcde"), S("abcde"), 5, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 5, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
-    test(S("abcdeabcde"), S(""), 9, 9);
-    test(S("abcdeabcde"), S("abcde"), 9, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 9, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos);
-    test(S("abcdeabcde"), S(""), 10, 10);
-    test(S("abcdeabcde"), S("abcde"), 10, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 10, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
-    test(S("abcdeabcde"), S(""), 11, 10);
-    test(S("abcdeabcde"), S("abcde"), 11, 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 11, 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, 15);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, 15);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, 0);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 21, 20);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, 15);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, 0);
+void test0() {
+  test(S(""), S(""), 0, 0);
+  test(S(""), S("abcde"), 0, S::npos);
+  test(S(""), S("abcdeabcde"), 0, S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S(""), S(""), 1, 0);
+  test(S(""), S("abcde"), 1, S::npos);
+  test(S(""), S("abcdeabcde"), 1, S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcde"), S(""), 0, 0);
+  test(S("abcde"), S("abcde"), 0, 0);
+  test(S("abcde"), S("abcdeabcde"), 0, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S("abcde"), S(""), 1, 1);
+  test(S("abcde"), S("abcde"), 1, 0);
+  test(S("abcde"), S("abcdeabcde"), 1, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcde"), S(""), 2, 2);
+  test(S("abcde"), S("abcde"), 2, 0);
+  test(S("abcde"), S("abcdeabcde"), 2, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos);
+  test(S("abcde"), S(""), 4, 4);
+  test(S("abcde"), S("abcde"), 4, 0);
+  test(S("abcde"), S("abcdeabcde"), 4, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos);
+  test(S("abcde"), S(""), 5, 5);
+  test(S("abcde"), S("abcde"), 5, 0);
+  test(S("abcde"), S("abcdeabcde"), 5, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
+  test(S("abcde"), S(""), 6, 5);
+  test(S("abcde"), S("abcde"), 6, 0);
+  test(S("abcde"), S("abcdeabcde"), 6, S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos);
+  test(S("abcdeabcde"), S(""), 0, 0);
+  test(S("abcdeabcde"), S("abcde"), 0, 0);
+  test(S("abcdeabcde"), S("abcdeabcde"), 0, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos);
+  test(S("abcdeabcde"), S(""), 1, 1);
+  test(S("abcdeabcde"), S("abcde"), 1, 0);
+  test(S("abcdeabcde"), S("abcdeabcde"), 1, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos);
+  test(S("abcdeabcde"), S(""), 5, 5);
+  test(S("abcdeabcde"), S("abcde"), 5, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 5, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos);
+  test(S("abcdeabcde"), S(""), 9, 9);
+  test(S("abcdeabcde"), S("abcde"), 9, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 9, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos);
+  test(S("abcdeabcde"), S(""), 10, 10);
+  test(S("abcdeabcde"), S("abcde"), 10, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 10, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos);
+  test(S("abcdeabcde"), S(""), 11, 10);
+  test(S("abcdeabcde"), S("abcde"), 11, 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 11, 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, 15);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, 15);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, 0);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 21, 20);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, 15);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, 0);
 }
 
 template <class S>
-void test1()
-{
-    test(S(""), S(""), 0);
-    test(S(""), S("abcde"), S::npos);
-    test(S(""), S("abcdeabcde"), S::npos);
-    test(S(""), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcde"), S(""), 5);
-    test(S("abcde"), S("abcde"), 0);
-    test(S("abcde"), S("abcdeabcde"), S::npos);
-    test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcdeabcde"), S(""), 10);
-    test(S("abcdeabcde"), S("abcde"), 5);
-    test(S("abcdeabcde"), S("abcdeabcde"), 0);
-    test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos);
-    test(S("abcdeabcdeabcdeabcde"), S(""), 20);
-    test(S("abcdeabcdeabcdeabcde"), S("abcde"), 15);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10);
-    test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0);
+void test1() {
+  test(S(""), S(""), 0);
+  test(S(""), S("abcde"), S::npos);
+  test(S(""), S("abcdeabcde"), S::npos);
+  test(S(""), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcde"), S(""), 5);
+  test(S("abcde"), S("abcde"), 0);
+  test(S("abcde"), S("abcdeabcde"), S::npos);
+  test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcdeabcde"), S(""), 10);
+  test(S("abcdeabcde"), S("abcde"), 5);
+  test(S("abcdeabcde"), S("abcdeabcde"), 0);
+  test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos);
+  test(S("abcdeabcdeabcdeabcde"), S(""), 20);
+  test(S("abcdeabcdeabcdeabcde"), S("abcde"), 15);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10);
+  test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view S;
     test0<S>();
     test1<S>();
-    }
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
 
-    static_assert (sv1.rfind(sv1) == 0, "" );
-    static_assert (sv1.rfind(sv2) == SV::npos, "" );
-    static_assert (sv2.rfind(sv1) == 5, "" );
-    static_assert (sv2.rfind(sv2) == 0, "" );
-    static_assert (sv2.rfind(sv2, 1) == 0, "" );
-    }
+    static_assert(sv1.rfind(sv1) == 0, "");
+    static_assert(sv1.rfind(sv2) == SV::npos, "");
+    static_assert(sv2.rfind(sv1) == 5, "");
+    static_assert(sv2.rfind(sv2) == 0, "");
+    static_assert(sv2.rfind(sv2, 1) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.io/stream_insert.pass.cpp b/libcxx/test/std/strings/string.view/string.view.io/stream_insert.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.io/stream_insert.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.io/stream_insert.pass.cpp
@@ -22,41 +22,40 @@
 
 #include "test_macros.h"
 
-int main(int, char**)
-{
-    {
-        std::ostringstream out;
-        std::string_view sv("some text");
-        out << sv;
-        assert(out.good());
-        assert(sv == out.str());
-    }
-    {
-        std::ostringstream out;
-        std::string s("some text");
-        std::string_view sv(s);
-        out.width(12);
-        out << sv;
-        assert(out.good());
-        assert("   " + s == out.str());
-    }
+int main(int, char**) {
+  {
+    std::ostringstream out;
+    std::string_view sv("some text");
+    out << sv;
+    assert(out.good());
+    assert(sv == out.str());
+  }
+  {
+    std::ostringstream out;
+    std::string s("some text");
+    std::string_view sv(s);
+    out.width(12);
+    out << sv;
+    assert(out.good());
+    assert("   " + s == out.str());
+  }
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
-        std::wostringstream out;
-        std::wstring_view sv(L"some text");
-        out << sv;
-        assert(out.good());
-        assert(sv == out.str());
-    }
-    {
-        std::wostringstream out;
-        std::wstring s(L"some text");
-        std::wstring_view sv(s);
-        out.width(12);
-        out << sv;
-        assert(out.good());
-        assert(L"   " + s == out.str());
-    }
+  {
+    std::wostringstream out;
+    std::wstring_view sv(L"some text");
+    out << sv;
+    assert(out.good());
+    assert(sv == out.str());
+  }
+  {
+    std::wostringstream out;
+    std::wstring s(L"some text");
+    std::wstring_view sv(s);
+    out.width(12);
+    out << sv;
+    assert(out.good());
+    assert(L"   " + s == out.str());
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.io/stream_insert_decl_present.compile.pass.cpp b/libcxx/test/std/strings/string.view/string.view.io/stream_insert_decl_present.compile.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.io/stream_insert_decl_present.compile.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.io/stream_insert_decl_present.compile.pass.cpp
@@ -21,6 +21,7 @@
 template <class SV, class = void>
 struct HasDecl : std::false_type {};
 template <class SV>
-struct HasDecl<SV, decltype(static_cast<void>(std::declval<std::ostream&>() << std::declval<SV&>()))> : std::true_type {};
+struct HasDecl<SV, decltype(static_cast<void>(std::declval<std::ostream&>() << std::declval<SV&>()))> : std::true_type {
+};
 
 static_assert(HasDecl<std::string_view>::value, "streaming operator declaration not present");
diff --git a/libcxx/test/std/strings/string.view/string.view.iterators/begin.pass.cpp b/libcxx/test/std/strings/string.view/string.view.iterators/begin.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.iterators/begin.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.iterators/begin.pass.cpp
@@ -18,87 +18,81 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(S s)
-{
-    const S& cs = s;
-    typename S::iterator b = s.begin();
-    typename S::const_iterator cb1 = cs.begin();
-    typename S::const_iterator cb2 = s.cbegin();
-    if (!s.empty())
-    {
-        assert(   *b ==  s[0]);
-        assert(  &*b == &s[0]);
-        assert( *cb1 ==  s[0]);
-        assert(&*cb1 == &s[0]);
-        assert( *cb2 ==  s[0]);
-        assert(&*cb2 == &s[0]);
-
-    }
-    assert(  b == cb1);
-    assert(  b == cb2);
-    assert(cb1 == cb2);
+void test(S s) {
+  const S& cs                    = s;
+  typename S::iterator b         = s.begin();
+  typename S::const_iterator cb1 = cs.begin();
+  typename S::const_iterator cb2 = s.cbegin();
+  if (!s.empty()) {
+    assert(*b == s[0]);
+    assert(&*b == &s[0]);
+    assert(*cb1 == s[0]);
+    assert(&*cb1 == &s[0]);
+    assert(*cb2 == s[0]);
+    assert(&*cb2 == &s[0]);
+  }
+  assert(b == cb1);
+  assert(b == cb2);
+  assert(cb1 == cb2);
 }
 
-
-int main(int, char**)
-{
-    typedef std::string_view    string_view;
+int main(int, char**) {
+  typedef std::string_view string_view;
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string_view  u8string_view;
+  typedef std::u8string_view u8string_view;
 #endif
-    typedef std::u16string_view u16string_view;
-    typedef std::u32string_view u32string_view;
+  typedef std::u16string_view u16string_view;
+  typedef std::u32string_view u32string_view;
 
-    test(string_view   ());
-    test(u16string_view());
-    test(u32string_view());
-    test(string_view   ( "123"));
+  test(string_view());
+  test(u16string_view());
+  test(u32string_view());
+  test(string_view("123"));
 #ifndef TEST_HAS_NO_CHAR8_T
-    test(u8string_view{u8"123"});
+  test(u8string_view{u8"123"});
 #endif
 #if TEST_STD_VER >= 11
-    test(u16string_view{u"123"});
-    test(u32string_view{U"123"});
+  test(u16string_view{u"123"});
+  test(u32string_view{U"123"});
 #endif
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    typedef std::wstring_view   wstring_view;
-    test(wstring_view  ());
-    test(wstring_view  (L"123"));
+  typedef std::wstring_view wstring_view;
+  test(wstring_view());
+  test(wstring_view(L"123"));
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr string_view       sv { "123", 3 };
+  {
+    constexpr string_view sv{"123", 3};
 #  ifndef TEST_HAS_NO_CHAR8_T
-    constexpr u8string_view u8sv  {u8"123", 3 };
-#endif
-    constexpr u16string_view u16sv {u"123", 3 };
-    constexpr u32string_view u32sv {U"123", 3 };
+    constexpr u8string_view u8sv{u8"123", 3};
+#  endif
+    constexpr u16string_view u16sv{u"123", 3};
+    constexpr u32string_view u32sv{U"123", 3};
 
-    static_assert (    *sv.begin() ==    sv[0], "" );
+    static_assert(*sv.begin() == sv[0], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *u8sv.begin() ==  u8sv[0], "" );
-#endif
-    static_assert ( *u16sv.begin() == u16sv[0], "" );
-    static_assert ( *u32sv.begin() == u32sv[0], "" );
+    static_assert(*u8sv.begin() == u8sv[0], "");
+#  endif
+    static_assert(*u16sv.begin() == u16sv[0], "");
+    static_assert(*u32sv.begin() == u32sv[0], "");
 
-    static_assert (    *sv.cbegin() ==    sv[0], "" );
+    static_assert(*sv.cbegin() == sv[0], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *u8sv.cbegin() ==  u8sv[0], "" );
-#endif
-    static_assert ( *u16sv.cbegin() == u16sv[0], "" );
-    static_assert ( *u32sv.cbegin() == u32sv[0], "" );
+    static_assert(*u8sv.cbegin() == u8sv[0], "");
+#  endif
+    static_assert(*u16sv.cbegin() == u16sv[0], "");
+    static_assert(*u32sv.cbegin() == u32sv[0], "");
 
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        {
-            constexpr wstring_view     wsv {L"123", 3 };
-            static_assert (   *wsv.begin() ==   wsv[0], "" );
-            static_assert (   *wsv.cbegin() ==   wsv[0], "" );
-        }
-#endif
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+      constexpr wstring_view wsv{L"123", 3};
+      static_assert(*wsv.begin() == wsv[0], "");
+      static_assert(*wsv.cbegin() == wsv[0], "");
     }
+#  endif
+  }
 #endif // TEST_STD_VER > 11
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.iterators/end.pass.cpp b/libcxx/test/std/strings/string.view/string.view.iterators/end.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.iterators/end.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.iterators/end.pass.cpp
@@ -19,95 +19,88 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(S s)
-{
-    const S& cs = s;
-    typename S::iterator e = s.end();
-    typename S::const_iterator ce1 = cs.end();
-    typename S::const_iterator ce2 = s.cend();
-
-    if (s.empty())
-    {
-        assert(  e ==  s.begin());
-        assert(ce1 == cs.begin());
-        assert(ce2 ==  s.begin());
-    }
-    else
-    {
-        assert(  e !=  s.begin());
-        assert(ce1 != cs.begin());
-        assert(ce2 !=  s.begin());
-    }
-
-    assert(static_cast<std::size_t>(  e -  s.begin()) == s.size());
-    assert(static_cast<std::size_t>(ce1 - cs.begin()) == cs.size());
-    assert(static_cast<std::size_t>(ce2 - s.cbegin()) == s.size());
-
-    assert(  e == ce1);
-    assert(  e == ce2);
-    assert(ce1 == ce2);
+void test(S s) {
+  const S& cs                    = s;
+  typename S::iterator e         = s.end();
+  typename S::const_iterator ce1 = cs.end();
+  typename S::const_iterator ce2 = s.cend();
+
+  if (s.empty()) {
+    assert(e == s.begin());
+    assert(ce1 == cs.begin());
+    assert(ce2 == s.begin());
+  } else {
+    assert(e != s.begin());
+    assert(ce1 != cs.begin());
+    assert(ce2 != s.begin());
+  }
+
+  assert(static_cast<std::size_t>(e - s.begin()) == s.size());
+  assert(static_cast<std::size_t>(ce1 - cs.begin()) == cs.size());
+  assert(static_cast<std::size_t>(ce2 - s.cbegin()) == s.size());
+
+  assert(e == ce1);
+  assert(e == ce2);
+  assert(ce1 == ce2);
 }
 
-
-int main(int, char**)
-{
-    typedef std::string_view    string_view;
+int main(int, char**) {
+  typedef std::string_view string_view;
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string_view  u8string_view;
+  typedef std::u8string_view u8string_view;
 #endif
-    typedef std::u16string_view u16string_view;
-    typedef std::u32string_view u32string_view;
+  typedef std::u16string_view u16string_view;
+  typedef std::u32string_view u32string_view;
 
-    test(string_view   ());
-    test(u16string_view());
-    test(u32string_view());
-    test(string_view   ( "123"));
+  test(string_view());
+  test(u16string_view());
+  test(u32string_view());
+  test(string_view("123"));
 #ifndef TEST_HAS_NO_CHAR8_T
-    test(u8string_view{u8"123"});
+  test(u8string_view{u8"123"});
 #endif
 #if TEST_STD_VER >= 11
-    test(u16string_view{u"123"});
-    test(u32string_view{U"123"});
+  test(u16string_view{u"123"});
+  test(u32string_view{U"123"});
 #endif
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    typedef std::wstring_view   wstring_view;
-    test(wstring_view  ());
-    test(wstring_view  (L"123"));
+  typedef std::wstring_view wstring_view;
+  test(wstring_view());
+  test(wstring_view(L"123"));
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr string_view       sv { "123", 3 };
+  {
+    constexpr string_view sv{"123", 3};
 #  ifndef TEST_HAS_NO_CHAR8_T
-    constexpr u8string_view u8sv  {u8"123", 3 };
-#endif
-    constexpr u16string_view u16sv {u"123", 3 };
-    constexpr u32string_view u32sv {U"123", 3 };
+    constexpr u8string_view u8sv{u8"123", 3};
+#  endif
+    constexpr u16string_view u16sv{u"123", 3};
+    constexpr u32string_view u32sv{U"123", 3};
 
-    static_assert (    sv.begin() !=    sv.end(), "" );
+    static_assert(sv.begin() != sv.end(), "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  u8sv.begin() !=  u8sv.end(), "" );
-#endif
-    static_assert ( u16sv.begin() != u16sv.end(), "" );
-    static_assert ( u32sv.begin() != u32sv.end(), "" );
+    static_assert(u8sv.begin() != u8sv.end(), "");
+#  endif
+    static_assert(u16sv.begin() != u16sv.end(), "");
+    static_assert(u32sv.begin() != u32sv.end(), "");
 
-    static_assert (    sv.begin() !=    sv.cend(), "" );
+    static_assert(sv.begin() != sv.cend(), "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  u8sv.begin() !=  u8sv.cend(), "" );
-#endif
-    static_assert ( u16sv.begin() != u16sv.cend(), "" );
-    static_assert ( u32sv.begin() != u32sv.cend(), "" );
+    static_assert(u8sv.begin() != u8sv.cend(), "");
+#  endif
+    static_assert(u16sv.begin() != u16sv.cend(), "");
+    static_assert(u32sv.begin() != u32sv.cend(), "");
 
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        {
-            constexpr wstring_view     wsv {L"123", 3 };
-            static_assert (   wsv.begin() !=   wsv.end(), "" );
-            static_assert (   wsv.begin() !=   wsv.cend(), "" );
-        }
-#endif
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+      constexpr wstring_view wsv{L"123", 3};
+      static_assert(wsv.begin() != wsv.end(), "");
+      static_assert(wsv.begin() != wsv.cend(), "");
     }
+#  endif
+  }
 #endif // TEST_STD_VER > 11
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.iterators/iterator_concept_conformance.compile.pass.cpp b/libcxx/test/std/strings/string.view/string.view.iterators/iterator_concept_conformance.compile.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.iterators/iterator_concept_conformance.compile.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.iterators/iterator_concept_conformance.compile.pass.cpp
@@ -16,9 +16,9 @@
 
 #include "test_macros.h"
 
-using iterator = std::string_view::iterator;
-using const_iterator = std::string_view::const_iterator;
-using reverse_iterator = std::string_view::reverse_iterator;
+using iterator               = std::string_view::iterator;
+using const_iterator         = std::string_view::const_iterator;
+using reverse_iterator       = std::string_view::reverse_iterator;
 using const_reverse_iterator = std::string_view::const_reverse_iterator;
 
 static_assert(std::contiguous_iterator<iterator>);
diff --git a/libcxx/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp b/libcxx/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.iterators/rbegin.pass.cpp
@@ -18,88 +18,82 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(S s)
-{
-    const S& cs = s;
-    typename S::reverse_iterator b = s.rbegin();
-    typename S::const_reverse_iterator cb1 = cs.rbegin();
-    typename S::const_reverse_iterator cb2 = s.crbegin();
-    if (!s.empty())
-    {
-        const size_t last = s.size() - 1;
-        assert(   *b ==  s[last]);
-        assert(  &*b == &s[last]);
-        assert( *cb1 ==  s[last]);
-        assert(&*cb1 == &s[last]);
-        assert( *cb2 ==  s[last]);
-        assert(&*cb2 == &s[last]);
-
-    }
-    assert(  b == cb1);
-    assert(  b == cb2);
-    assert(cb1 == cb2);
+void test(S s) {
+  const S& cs                            = s;
+  typename S::reverse_iterator b         = s.rbegin();
+  typename S::const_reverse_iterator cb1 = cs.rbegin();
+  typename S::const_reverse_iterator cb2 = s.crbegin();
+  if (!s.empty()) {
+    const size_t last = s.size() - 1;
+    assert(*b == s[last]);
+    assert(&*b == &s[last]);
+    assert(*cb1 == s[last]);
+    assert(&*cb1 == &s[last]);
+    assert(*cb2 == s[last]);
+    assert(&*cb2 == &s[last]);
+  }
+  assert(b == cb1);
+  assert(b == cb2);
+  assert(cb1 == cb2);
 }
 
-
-int main(int, char**)
-{
-    typedef std::string_view    string_view;
+int main(int, char**) {
+  typedef std::string_view string_view;
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string_view  u8string_view;
+  typedef std::u8string_view u8string_view;
 #endif
-    typedef std::u16string_view u16string_view;
-    typedef std::u32string_view u32string_view;
+  typedef std::u16string_view u16string_view;
+  typedef std::u32string_view u32string_view;
 
-    test(string_view   ());
-    test(u16string_view());
-    test(u32string_view());
-    test(string_view   ( "123"));
+  test(string_view());
+  test(u16string_view());
+  test(u32string_view());
+  test(string_view("123"));
 #ifndef TEST_HAS_NO_CHAR8_T
-    test(u8string_view{u8"123"});
+  test(u8string_view{u8"123"});
 #endif
 #if TEST_STD_VER >= 11
-    test(u16string_view{u"123"});
-    test(u32string_view{U"123"});
+  test(u16string_view{u"123"});
+  test(u32string_view{U"123"});
 #endif
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    typedef std::wstring_view   wstring_view;
-    test(wstring_view  ());
-    test(wstring_view  (L"123"));
+  typedef std::wstring_view wstring_view;
+  test(wstring_view());
+  test(wstring_view(L"123"));
 #endif
 
 #if TEST_STD_VER > 14
-    {
-    constexpr string_view       sv { "123", 3 };
+  {
+    constexpr string_view sv{"123", 3};
 #  ifndef TEST_HAS_NO_CHAR8_T
-    constexpr u8string_view u8sv  {u8"123", 3 };
-#endif
-    constexpr u16string_view u16sv {u"123", 3 };
-    constexpr u32string_view u32sv {U"123", 3 };
+    constexpr u8string_view u8sv{u8"123", 3};
+#  endif
+    constexpr u16string_view u16sv{u"123", 3};
+    constexpr u32string_view u32sv{U"123", 3};
 
-    static_assert (    *sv.rbegin() ==    sv[2], "" );
+    static_assert(*sv.rbegin() == sv[2], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *u8sv.rbegin() ==  u8sv[2], "" );
-#endif
-    static_assert ( *u16sv.rbegin() == u16sv[2], "" );
-    static_assert ( *u32sv.rbegin() == u32sv[2], "" );
+    static_assert(*u8sv.rbegin() == u8sv[2], "");
+#  endif
+    static_assert(*u16sv.rbegin() == u16sv[2], "");
+    static_assert(*u32sv.rbegin() == u32sv[2], "");
 
-    static_assert (    *sv.crbegin() ==    sv[2], "" );
+    static_assert(*sv.crbegin() == sv[2], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *u8sv.crbegin() == u8sv[2], "" );
-#endif
-    static_assert ( *u16sv.crbegin() == u16sv[2], "" );
-    static_assert ( *u32sv.crbegin() == u32sv[2], "" );
+    static_assert(*u8sv.crbegin() == u8sv[2], "");
+#  endif
+    static_assert(*u16sv.crbegin() == u16sv[2], "");
+    static_assert(*u32sv.crbegin() == u32sv[2], "");
 
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        {
-            constexpr wstring_view     wsv {L"123", 3 };
-            static_assert (   *wsv.rbegin() ==   wsv[2], "" );
-            static_assert (   *wsv.crbegin() ==   wsv[2], "" );
-        }
-#endif
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+      constexpr wstring_view wsv{L"123", 3};
+      static_assert(*wsv.rbegin() == wsv[2], "");
+      static_assert(*wsv.crbegin() == wsv[2], "");
     }
+#  endif
+  }
 #endif // TEST_STD_VER > 14
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.iterators/rend.pass.cpp b/libcxx/test/std/strings/string.view/string.view.iterators/rend.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.iterators/rend.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.iterators/rend.pass.cpp
@@ -19,95 +19,88 @@
 #include "test_macros.h"
 
 template <class S>
-void
-test(S s)
-{
-    const S& cs = s;
-    typename S::reverse_iterator e = s.rend();
-    typename S::const_reverse_iterator ce1 = cs.rend();
-    typename S::const_reverse_iterator ce2 = s.crend();
-
-    if (s.empty())
-    {
-        assert(  e ==  s.rbegin());
-        assert(ce1 == cs.rbegin());
-        assert(ce2 ==  s.rbegin());
-    }
-    else
-    {
-        assert(  e !=  s.rbegin());
-        assert(ce1 != cs.rbegin());
-        assert(ce2 !=  s.rbegin());
-    }
-
-    assert(static_cast<std::size_t>(  e -  s.rbegin()) == s.size());
-    assert(static_cast<std::size_t>(ce1 - cs.rbegin()) == cs.size());
-    assert(static_cast<std::size_t>(ce2 - s.crbegin()) == s.size());
-
-    assert(  e == ce1);
-    assert(  e == ce2);
-    assert(ce1 == ce2);
+void test(S s) {
+  const S& cs                            = s;
+  typename S::reverse_iterator e         = s.rend();
+  typename S::const_reverse_iterator ce1 = cs.rend();
+  typename S::const_reverse_iterator ce2 = s.crend();
+
+  if (s.empty()) {
+    assert(e == s.rbegin());
+    assert(ce1 == cs.rbegin());
+    assert(ce2 == s.rbegin());
+  } else {
+    assert(e != s.rbegin());
+    assert(ce1 != cs.rbegin());
+    assert(ce2 != s.rbegin());
+  }
+
+  assert(static_cast<std::size_t>(e - s.rbegin()) == s.size());
+  assert(static_cast<std::size_t>(ce1 - cs.rbegin()) == cs.size());
+  assert(static_cast<std::size_t>(ce2 - s.crbegin()) == s.size());
+
+  assert(e == ce1);
+  assert(e == ce2);
+  assert(ce1 == ce2);
 }
 
-
-int main(int, char**)
-{
-    typedef std::string_view    string_view;
+int main(int, char**) {
+  typedef std::string_view string_view;
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string_view u8string_view;
+  typedef std::u8string_view u8string_view;
 #endif
-    typedef std::u16string_view u16string_view;
-    typedef std::u32string_view u32string_view;
+  typedef std::u16string_view u16string_view;
+  typedef std::u32string_view u32string_view;
 
-    test(string_view   ());
-    test(u16string_view());
-    test(u32string_view());
-    test(string_view   ( "123"));
+  test(string_view());
+  test(u16string_view());
+  test(u32string_view());
+  test(string_view("123"));
 #ifndef TEST_HAS_NO_CHAR8_T
-    test(u8string_view{u8"123"});
+  test(u8string_view{u8"123"});
 #endif
 #if TEST_STD_VER >= 11
-    test(u16string_view{u"123"});
-    test(u32string_view{U"123"});
+  test(u16string_view{u"123"});
+  test(u32string_view{U"123"});
 #endif
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    typedef std::wstring_view   wstring_view;
-    test(wstring_view  ());
-    test(wstring_view  (L"123"));
+  typedef std::wstring_view wstring_view;
+  test(wstring_view());
+  test(wstring_view(L"123"));
 #endif
 
 #if TEST_STD_VER > 14
-    {
-    constexpr string_view       sv { "123", 3 };
+  {
+    constexpr string_view sv{"123", 3};
 #  ifndef TEST_HAS_NO_CHAR8_T
-    constexpr u8string_view u8sv {u8"123", 3 };
-#endif
-    constexpr u16string_view u16sv {u"123", 3 };
-    constexpr u32string_view u32sv {U"123", 3 };
+    constexpr u8string_view u8sv{u8"123", 3};
+#  endif
+    constexpr u16string_view u16sv{u"123", 3};
+    constexpr u32string_view u32sv{U"123", 3};
 
-    static_assert (    *--sv.rend() ==    sv[0], "" );
+    static_assert(*--sv.rend() == sv[0], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *--u8sv.rend() ==  u8sv[0], "" );
-#endif
-    static_assert ( *--u16sv.rend() == u16sv[0], "" );
-    static_assert ( *--u32sv.rend() == u32sv[0], "" );
+    static_assert(*--u8sv.rend() == u8sv[0], "");
+#  endif
+    static_assert(*--u16sv.rend() == u16sv[0], "");
+    static_assert(*--u32sv.rend() == u32sv[0], "");
 
-    static_assert (    *--sv.crend() ==    sv[0], "" );
+    static_assert(*--sv.crend() == sv[0], "");
 #  ifndef TEST_HAS_NO_CHAR8_T
-    static_assert (  *--u8sv.crend() ==  u8sv[0], "" );
-#endif
-    static_assert ( *--u16sv.crend() == u16sv[0], "" );
-    static_assert ( *--u32sv.crend() == u32sv[0], "" );
+    static_assert(*--u8sv.crend() == u8sv[0], "");
+#  endif
+    static_assert(*--u16sv.crend() == u16sv[0], "");
+    static_assert(*--u32sv.crend() == u32sv[0], "");
 
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        {
-            constexpr wstring_view     wsv {L"123", 3 };
-            static_assert (   *--wsv.rend() ==   wsv[0], "" );
-            static_assert (   *--wsv.crend() ==   wsv[0], "" );
-        }
-#endif
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+      constexpr wstring_view wsv{L"123", 3};
+      static_assert(*--wsv.rend() == wsv[0], "");
+      static_assert(*--wsv.crend() == wsv[0], "");
     }
+#  endif
+  }
 #endif // TEST_STD_VER > 14
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.modifiers/remove_prefix.pass.cpp b/libcxx/test/std/strings/string.view/string.view.modifiers/remove_prefix.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.modifiers/remove_prefix.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.modifiers/remove_prefix.pass.cpp
@@ -17,64 +17,64 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
-void test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    {
-    SV sv1 ( s );
-    assert ( sv1.size() == len );
-    assert ( sv1.data() == s );
+template <typename CharT>
+void test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  {
+    SV sv1(s);
+    assert(sv1.size() == len);
+    assert(sv1.data() == s);
 
-    if ( len > 0 ) {
-        sv1.remove_prefix ( 1 );
-        assert ( sv1.size() == (len - 1));
-        assert ( sv1.data() == (s + 1));
-        sv1.remove_prefix ( len - 1 );
+    if (len > 0) {
+      sv1.remove_prefix(1);
+      assert(sv1.size() == (len - 1));
+      assert(sv1.data() == (s + 1));
+      sv1.remove_prefix(len - 1);
     }
 
-    assert ( sv1.size() == 0 );
-    sv1.remove_prefix ( 0 );
-    assert ( sv1.size() == 0 );
-    }
+    assert(sv1.size() == 0);
+    sv1.remove_prefix(0);
+    assert(sv1.size() == 0);
+  }
 }
 
 #if TEST_STD_VER > 11
-constexpr size_t test_ce ( size_t n, size_t k ) {
-    typedef std::basic_string_view<char> SV;
-    SV sv1{ "ABCDEFGHIJKL", n };
-    sv1.remove_prefix ( k );
-    return sv1.size();
+constexpr size_t test_ce(size_t n, size_t k) {
+  typedef std::basic_string_view<char> SV;
+  SV sv1{"ABCDEFGHIJKL", n};
+  sv1.remove_prefix(k);
+  return sv1.size();
 }
 #endif
 
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
-    test ( "", 0 );
+  test("ABCDE", 5);
+  test("a", 1);
+  test("", 0);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
-    test ( L"", 0 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
+  test(L"", 0);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
-    test ( u"", 0 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
+  test(u"", 0);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
-    test ( U"", 0 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
+  test(U"", 0);
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    static_assert ( test_ce ( 5, 0 ) == 5, "" );
-    static_assert ( test_ce ( 5, 1 ) == 4, "" );
-    static_assert ( test_ce ( 5, 5 ) == 0, "" );
-    static_assert ( test_ce ( 9, 3 ) == 6, "" );
-    }
+  {
+    static_assert(test_ce(5, 0) == 5, "");
+    static_assert(test_ce(5, 1) == 4, "");
+    static_assert(test_ce(5, 5) == 0, "");
+    static_assert(test_ce(9, 3) == 6, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.modifiers/remove_suffix.pass.cpp b/libcxx/test/std/strings/string.view/string.view.modifiers/remove_suffix.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.modifiers/remove_suffix.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.modifiers/remove_suffix.pass.cpp
@@ -17,65 +17,64 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
-void test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    {
-    SV sv1 ( s );
-    assert ( sv1.size() == len );
-    assert ( sv1.data() == s );
-
-    if ( len > 0 ) {
-        sv1.remove_suffix ( 1 );
-        assert ( sv1.size() == (len - 1));
-        assert ( sv1.data() == s);
-        sv1.remove_suffix ( len - 1 );
-        }
-
-    assert ( sv1.size() == 0 );
-    sv1.remove_suffix ( 0 );
-    assert ( sv1.size() == 0 );
+template <typename CharT>
+void test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  {
+    SV sv1(s);
+    assert(sv1.size() == len);
+    assert(sv1.data() == s);
+
+    if (len > 0) {
+      sv1.remove_suffix(1);
+      assert(sv1.size() == (len - 1));
+      assert(sv1.data() == s);
+      sv1.remove_suffix(len - 1);
     }
 
+    assert(sv1.size() == 0);
+    sv1.remove_suffix(0);
+    assert(sv1.size() == 0);
+  }
 }
 
 #if TEST_STD_VER > 11
-constexpr size_t test_ce ( size_t n, size_t k ) {
-    typedef std::basic_string_view<char> SV;
-    SV sv1{ "ABCDEFGHIJKL", n };
-    sv1.remove_suffix ( k );
-    return sv1.size();
+constexpr size_t test_ce(size_t n, size_t k) {
+  typedef std::basic_string_view<char> SV;
+  SV sv1{"ABCDEFGHIJKL", n};
+  sv1.remove_suffix(k);
+  return sv1.size();
 }
 #endif
 
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
-    test ( "", 0 );
+  test("ABCDE", 5);
+  test("a", 1);
+  test("", 0);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
-    test ( L"", 0 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
+  test(L"", 0);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
-    test ( u"", 0 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
+  test(u"", 0);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
-    test ( U"", 0 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
+  test(U"", 0);
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    static_assert ( test_ce ( 5, 0 ) == 5, "" );
-    static_assert ( test_ce ( 5, 1 ) == 4, "" );
-    static_assert ( test_ce ( 5, 5 ) == 0, "" );
-    static_assert ( test_ce ( 9, 3 ) == 6, "" );
-    }
+  {
+    static_assert(test_ce(5, 0) == 5, "");
+    static_assert(test_ce(5, 1) == 4, "");
+    static_assert(test_ce(5, 5) == 0, "");
+    static_assert(test_ce(9, 3) == 6, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.modifiers/swap.pass.cpp b/libcxx/test/std/strings/string.view/string.view.modifiers/swap.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.modifiers/swap.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.modifiers/swap.pass.cpp
@@ -17,63 +17,61 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
-void test ( const CharT *s, size_t len ) {
-    typedef std::basic_string_view<CharT> SV;
-    {
+template <typename CharT>
+void test(const CharT* s, size_t len) {
+  typedef std::basic_string_view<CharT> SV;
+  {
     SV sv1(s);
     SV sv2;
 
-    assert ( sv1.size() == len );
-    assert ( sv1.data() == s );
-    assert ( sv2.size() == 0 );
-
-    sv1.swap ( sv2 );
-    assert ( sv1.size() == 0 );
-    assert ( sv2.size() == len );
-    assert ( sv2.data() == s );
-    }
+    assert(sv1.size() == len);
+    assert(sv1.data() == s);
+    assert(sv2.size() == 0);
 
+    sv1.swap(sv2);
+    assert(sv1.size() == 0);
+    assert(sv2.size() == len);
+    assert(sv2.data() == s);
+  }
 }
 
 #if TEST_STD_VER > 11
-constexpr size_t test_ce ( size_t n, size_t k ) {
-    typedef std::basic_string_view<char> SV;
-    SV sv1{ "ABCDEFGHIJKL", n };
-    SV sv2 { sv1.data(), k };
-    sv1.swap ( sv2 );
-    return sv1.size();
+constexpr size_t test_ce(size_t n, size_t k) {
+  typedef std::basic_string_view<char> SV;
+  SV sv1{"ABCDEFGHIJKL", n};
+  SV sv2{sv1.data(), k};
+  sv1.swap(sv2);
+  return sv1.size();
 }
 #endif
 
-
 int main(int, char**) {
-    test ( "ABCDE", 5 );
-    test ( "a", 1 );
-    test ( "", 0 );
+  test("ABCDE", 5);
+  test("a", 1);
+  test("", 0);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDE", 5 );
-    test ( L"a", 1 );
-    test ( L"", 0 );
+  test(L"ABCDE", 5);
+  test(L"a", 1);
+  test(L"", 0);
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDE", 5 );
-    test ( u"a", 1 );
-    test ( u"", 0 );
+  test(u"ABCDE", 5);
+  test(u"a", 1);
+  test(u"", 0);
 
-    test ( U"ABCDE", 5 );
-    test ( U"a", 1 );
-    test ( U"", 0 );
+  test(U"ABCDE", 5);
+  test(U"a", 1);
+  test(U"", 0);
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    static_assert ( test_ce (2, 3) == 3, "" );
-    static_assert ( test_ce (5, 3) == 3, "" );
-    static_assert ( test_ce (0, 1) == 1, "" );
-    }
+  {
+    static_assert(test_ce(2, 3) == 3, "");
+    static_assert(test_ce(5, 3) == 3, "");
+    static_assert(test_ce(0, 1) == 1, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp b/libcxx/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp
@@ -21,205 +21,196 @@
 
 #include "test_macros.h"
 
-bool is_skipws ( const std::istream *is ) {
-    return ( is->flags() & std::ios_base::skipws ) != 0;
-}
+bool is_skipws(const std::istream* is) { return (is->flags() & std::ios_base::skipws) != 0; }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-bool is_skipws ( const std::wistream *is ) {
-    return ( is->flags() & std::ios_base::skipws ) != 0;
-}
+bool is_skipws(const std::wistream* is) { return (is->flags() & std::ios_base::skipws) != 0; }
 #endif
 
-void round_trip ( const char *p ) {
-    std::stringstream ss;
-    bool skippingws = is_skipws ( &ss );
-    std::string_view sv {p};
-
-    ss << std::quoted(sv);
-    std::string s;
-    ss >> std::quoted(s);
-    assert ( s == sv );
-    assert ( skippingws == is_skipws ( &ss ));
-    }
-
-void round_trip_ws ( const char *p ) {
-    std::stringstream ss;
-    std::noskipws ( ss );
-    bool skippingws = is_skipws ( &ss );
-    std::string_view sv {p};
-
-    ss << std::quoted(sv);
-    std::string s;
-    ss >> std::quoted(s);
-    assert ( s == sv );
-    assert ( skippingws == is_skipws ( &ss ));
-    }
-
-void round_trip_d ( const char *p, char delim ) {
-    std::stringstream ss;
-    std::string_view sv {p};
-
-    ss << std::quoted(sv, delim);
-    std::string s;
-    ss >> std::quoted(s, delim);
-    assert ( s == sv );
-    }
-
-void round_trip_e ( const char *p, char escape ) {
-    std::stringstream ss;
-    std::string_view sv {p};
-
-    ss << std::quoted(sv, '"', escape );
-    std::string s;
-    ss >> std::quoted(s, '"', escape );
-    assert ( s == sv );
-    }
-
-
-
-std::string quote ( const char *p, char delim='"', char escape='\\' ) {
-    std::stringstream ss;
-    ss << std::quoted(p, delim, escape);
-    std::string s;
-    ss >> s;    // no quote
-    return s;
+void round_trip(const char* p) {
+  std::stringstream ss;
+  bool skippingws = is_skipws(&ss);
+  std::string_view sv{p};
+
+  ss << std::quoted(sv);
+  std::string s;
+  ss >> std::quoted(s);
+  assert(s == sv);
+  assert(skippingws == is_skipws(&ss));
+}
+
+void round_trip_ws(const char* p) {
+  std::stringstream ss;
+  std::noskipws(ss);
+  bool skippingws = is_skipws(&ss);
+  std::string_view sv{p};
+
+  ss << std::quoted(sv);
+  std::string s;
+  ss >> std::quoted(s);
+  assert(s == sv);
+  assert(skippingws == is_skipws(&ss));
+}
+
+void round_trip_d(const char* p, char delim) {
+  std::stringstream ss;
+  std::string_view sv{p};
+
+  ss << std::quoted(sv, delim);
+  std::string s;
+  ss >> std::quoted(s, delim);
+  assert(s == sv);
+}
+
+void round_trip_e(const char* p, char escape) {
+  std::stringstream ss;
+  std::string_view sv{p};
+
+  ss << std::quoted(sv, '"', escape);
+  std::string s;
+  ss >> std::quoted(s, '"', escape);
+  assert(s == sv);
+}
+
+std::string quote(const char* p, char delim = '"', char escape = '\\') {
+  std::stringstream ss;
+  ss << std::quoted(p, delim, escape);
+  std::string s;
+  ss >> s; // no quote
+  return s;
 }
 
-std::string unquote ( const char *p, char delim='"', char escape='\\' ) {
-    std::stringstream ss;
-    ss << p;
-    std::string s;
-    ss >> std::quoted(s, delim, escape);
-    return s;
+std::string unquote(const char* p, char delim = '"', char escape = '\\') {
+  std::stringstream ss;
+  ss << p;
+  std::string s;
+  ss >> std::quoted(s, delim, escape);
+  return s;
 }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-void round_trip ( const wchar_t *p ) {
-    std::wstringstream ss;
-    bool skippingws = is_skipws ( &ss );
-    std::wstring_view sv {p};
-
-    ss << std::quoted(sv);
-    std::wstring s;
-    ss >> std::quoted(s);
-    assert ( s == sv );
-    assert ( skippingws == is_skipws ( &ss ));
-    }
-
-
-void round_trip_ws ( const wchar_t *p ) {
-    std::wstringstream ss;
-    std::noskipws ( ss );
-    bool skippingws = is_skipws ( &ss );
-    std::wstring_view sv {p};
-
-    ss << std::quoted(sv);
-    std::wstring s;
-    ss >> std::quoted(s);
-    assert ( s == sv );
-    assert ( skippingws == is_skipws ( &ss ));
-    }
-
-void round_trip_d ( const wchar_t *p, wchar_t delim ) {
-    std::wstringstream ss;
-    std::wstring_view sv {p};
-
-    ss << std::quoted(sv, delim);
-    std::wstring s;
-    ss >> std::quoted(s, delim);
-    assert ( s == sv );
-    }
-
-void round_trip_e ( const wchar_t *p, wchar_t escape ) {
-    std::wstringstream ss;
-    std::wstring_view sv {p};
-
-    ss << std::quoted(sv, wchar_t('"'), escape );
-    std::wstring s;
-    ss >> std::quoted(s, wchar_t('"'), escape );
-    assert ( s == sv );
-    }
-
-
-std::wstring quote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
-    std::wstringstream ss;
-    std::wstring_view sv {p};
-
-    ss << std::quoted(sv, delim, escape);
-    std::wstring s;
-    ss >> s;    // no quote
-    return s;
+void round_trip(const wchar_t* p) {
+  std::wstringstream ss;
+  bool skippingws = is_skipws(&ss);
+  std::wstring_view sv{p};
+
+  ss << std::quoted(sv);
+  std::wstring s;
+  ss >> std::quoted(s);
+  assert(s == sv);
+  assert(skippingws == is_skipws(&ss));
+}
+
+void round_trip_ws(const wchar_t* p) {
+  std::wstringstream ss;
+  std::noskipws(ss);
+  bool skippingws = is_skipws(&ss);
+  std::wstring_view sv{p};
+
+  ss << std::quoted(sv);
+  std::wstring s;
+  ss >> std::quoted(s);
+  assert(s == sv);
+  assert(skippingws == is_skipws(&ss));
+}
+
+void round_trip_d(const wchar_t* p, wchar_t delim) {
+  std::wstringstream ss;
+  std::wstring_view sv{p};
+
+  ss << std::quoted(sv, delim);
+  std::wstring s;
+  ss >> std::quoted(s, delim);
+  assert(s == sv);
+}
+
+void round_trip_e(const wchar_t* p, wchar_t escape) {
+  std::wstringstream ss;
+  std::wstring_view sv{p};
+
+  ss << std::quoted(sv, wchar_t('"'), escape);
+  std::wstring s;
+  ss >> std::quoted(s, wchar_t('"'), escape);
+  assert(s == sv);
+}
+
+std::wstring quote(const wchar_t* p, wchar_t delim = '"', wchar_t escape = '\\') {
+  std::wstringstream ss;
+  std::wstring_view sv{p};
+
+  ss << std::quoted(sv, delim, escape);
+  std::wstring s;
+  ss >> s; // no quote
+  return s;
 }
 
-std::wstring unquote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
-    std::wstringstream ss;
-    std::wstring_view sv {p};
+std::wstring unquote(const wchar_t* p, wchar_t delim = '"', wchar_t escape = '\\') {
+  std::wstringstream ss;
+  std::wstring_view sv{p};
 
-    ss << sv;
-    std::wstring s;
-    ss >> std::quoted(s, delim, escape);
-    return s;
+  ss << sv;
+  std::wstring s;
+  ss >> std::quoted(s, delim, escape);
+  return s;
 }
 #endif // TEST_HAS_NO_WIDE_CHARACTERS
 
-int main(int, char**)
-{
-    round_trip    (  "" );
-    round_trip_ws (  "" );
-    round_trip_d  (  "", 'q' );
-    round_trip_e  (  "", 'q' );
+int main(int, char**) {
+  round_trip("");
+  round_trip_ws("");
+  round_trip_d("", 'q');
+  round_trip_e("", 'q');
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    round_trip    ( L"" );
-    round_trip_ws ( L"" );
-    round_trip_d  ( L"", 'q' );
-    round_trip_e  ( L"", 'q' );
+  round_trip(L"");
+  round_trip_ws(L"");
+  round_trip_d(L"", 'q');
+  round_trip_e(L"", 'q');
 #endif
 
-    round_trip    (  "Hi" );
-    round_trip_ws (  "Hi" );
-    round_trip_d  (  "Hi", '!' );
-    round_trip_e  (  "Hi", '!' );
-    assert ( quote ( "Hi", '!' ) == "!Hi!" );
-    assert ( quote ( "Hi!", '!' ) == R"(!Hi\!!)" );
+  round_trip("Hi");
+  round_trip_ws("Hi");
+  round_trip_d("Hi", '!');
+  round_trip_e("Hi", '!');
+  assert(quote("Hi", '!') == "!Hi!");
+  assert(quote("Hi!", '!') == R"(!Hi\!!)");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    round_trip    ( L"Hi" );
-    round_trip_ws ( L"Hi" );
-    round_trip_d  ( L"Hi", '!' );
-    round_trip_e  ( L"Hi", '!' );
-    assert ( quote ( L"Hi", '!' )  == L"!Hi!" );
-    assert ( quote ( L"Hi!", '!' ) == LR"(!Hi\!!)" );
+  round_trip(L"Hi");
+  round_trip_ws(L"Hi");
+  round_trip_d(L"Hi", '!');
+  round_trip_e(L"Hi", '!');
+  assert(quote(L"Hi", '!') == L"!Hi!");
+  assert(quote(L"Hi!", '!') == LR"(!Hi\!!)");
 #endif
 
-    round_trip    (  "Hi Mom" );
-    round_trip_ws (  "Hi Mom" );
+  round_trip("Hi Mom");
+  round_trip_ws("Hi Mom");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    round_trip    ( L"Hi Mom" );
-    round_trip_ws ( L"Hi Mom" );
+  round_trip(L"Hi Mom");
+  round_trip_ws(L"Hi Mom");
 #endif
 
-    assert ( quote (  "" )  ==  "\"\"" );
-    assert ( quote (  "a" ) ==  "\"a\"" );
+  assert(quote("") == "\"\"");
+  assert(quote("a") == "\"a\"");
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert ( quote ( L"" )  == L"\"\"" );
-    assert ( quote ( L"a" ) == L"\"a\"" );
+  assert(quote(L"") == L"\"\"");
+  assert(quote(L"a") == L"\"a\"");
 #endif
 
-    // missing end quote - must not hang
-    assert ( unquote (  "\"abc" ) ==  "abc" );
-    assert ( unquote (  "abc" ) == "abc" ); // no delimiter
-    assert ( unquote (  "abc def" ) ==  "abc" ); // no delimiter
-    assert ( unquote (  "" ) ==  "" ); // nothing there
+  // missing end quote - must not hang
+  assert(unquote("\"abc") == "abc");
+  assert(unquote("abc") == "abc");     // no delimiter
+  assert(unquote("abc def") == "abc"); // no delimiter
+  assert(unquote("") == "");           // nothing there
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    assert ( unquote ( L"\"abc" ) == L"abc" );
-    assert ( unquote ( L"abc" ) == L"abc" ); // no delimiter
-    assert ( unquote ( L"abc def" ) == L"abc" ); // no delimiter
-    assert ( unquote ( L"" ) == L"" ); // nothing there
+  assert(unquote(L"\"abc") == L"abc");
+  assert(unquote(L"abc") == L"abc");     // no delimiter
+  assert(unquote(L"abc def") == L"abc"); // no delimiter
+  assert(unquote(L"") == L"");           // nothing there
 #endif
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer.pass.cpp
@@ -18,25 +18,22 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1, const CharT *s, int expected ) {
-    assert ( sign( sv1.compare(s)) == sign(expected));
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1, const CharT* s, int expected) {
+  assert(sign(sv1.compare(s)) == sign(expected));
 }
 
-template<typename CharT>
-void
-test( const CharT *s1, const CharT *s2, int expected)
-{
-    typedef std::basic_string_view<CharT> string_view_t;
-    string_view_t sv1 ( s1 );
-    test1 ( sv1, s2, expected );
+template <typename CharT>
+void test(const CharT* s1, const CharT* s2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
+  string_view_t sv1(s1);
+  test1(sv1, s2, expected);
 }
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     test("", "", 0);
     test("", "abcde", -5);
     test("", "abcdefghij", -10);
@@ -53,10 +50,10 @@
     test("abcdefghijklmnopqrst", "abcde", 15);
     test("abcdefghijklmnopqrst", "abcdefghij", 10);
     test("abcdefghijklmnopqrst", "abcdefghijklmnopqrst", 0);
-    }
+  }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
+  {
     test(L"", L"", 0);
     test(L"", L"abcde", -5);
     test(L"", L"abcdefghij", -10);
@@ -73,11 +70,11 @@
     test(L"abcdefghijklmnopqrst", L"abcde", 15);
     test(L"abcdefghijklmnopqrst", L"abcdefghij", 10);
     test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0);
-    }
+  }
 #endif
 
 #if TEST_STD_VER >= 11
-    {
+  {
     test(U"", U"", 0);
     test(U"", U"abcde", -5);
     test(U"", U"abcdefghij", -10);
@@ -94,9 +91,9 @@
     test(U"abcdefghijklmnopqrst", U"abcde", 15);
     test(U"abcdefghijklmnopqrst", U"abcdefghij", 10);
     test(U"abcdefghijklmnopqrst", U"abcdefghijklmnopqrst", 0);
-    }
+  }
 
-    {
+  {
     test(u"", u"", 0);
     test(u"", u"abcde", -5);
     test(u"", u"abcdefghij", -10);
@@ -113,19 +110,19 @@
     test(u"abcdefghijklmnopqrst", u"abcde", 15);
     test(u"abcdefghijklmnopqrst", u"abcdefghij", 10);
     test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0);
-    }
+  }
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
-    static_assert ( sv1.compare("") == 0, "" );
-    static_assert ( sv1.compare("abcde") < 0, "" );
-    static_assert ( sv2.compare("") > 0, "" );
-    static_assert ( sv2.compare("abcde") == 0, "" );
-    }
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
+    static_assert(sv1.compare("") == 0, "");
+    static_assert(sv1.compare("abcde") < 0, "");
+    static_assert(sv2.compare("") > 0, "");
+    static_assert(sv2.compare("abcde") == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.pointer_size.pass.cpp
@@ -19,370 +19,361 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1,
-             size_t pos1, size_t n1, const CharT *s, int expected ) {
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1, size_t pos1, size_t n1, const CharT* s, int expected) {
 #ifdef TEST_HAS_NO_EXCEPTIONS
-    if (pos1 <= sv1.size())
-        assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
+  if (pos1 <= sv1.size())
+    assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
 #else
-    try {
-        assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
-        assert(pos1 <= sv1.size());
-    }
-    catch (const std::out_of_range&) {
-        assert(pos1 > sv1.size());
-    }
+  try {
+    assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
+    assert(pos1 <= sv1.size());
+  } catch (const std::out_of_range&) {
+    assert(pos1 > sv1.size());
+  }
 #endif
 }
 
-template<typename CharT>
-void
-test( const CharT *s1, size_t pos1, size_t n1, const CharT *s2, int expected)
-{
-    typedef std::basic_string_view<CharT> string_view_t;
-    string_view_t sv1 ( s1 );
-    test1 ( sv1, pos1, n1, s2, expected );
+template <typename CharT>
+void test(const CharT* s1, size_t pos1, size_t n1, const CharT* s2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
+  string_view_t sv1(s1);
+  test1(sv1, pos1, n1, s2, expected);
 }
 
-void test0()
-{
-    test("", 0, 0, "", 0);
-    test("", 0, 0, "abcde", -5);
-    test("", 0, 0, "abcdefghij", -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("", 0, 1, "", 0);
-    test("", 0, 1, "abcde", -5);
-    test("", 0, 1, "abcdefghij", -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", -20);
-    test("", 1, 0, "", 0);
-    test("", 1, 0, "abcde", 0);
-    test("", 1, 0, "abcdefghij", 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0);
-    test("abcde", 0, 0, "", 0);
-    test("abcde", 0, 0, "abcde", -5);
-    test("abcde", 0, 0, "abcdefghij", -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 0, 1, "", 1);
-    test("abcde", 0, 1, "abcde", -4);
-    test("abcde", 0, 1, "abcdefghij", -9);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcde", 0, 2, "", 2);
-    test("abcde", 0, 2, "abcde", -3);
-    test("abcde", 0, 2, "abcdefghij", -8);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
-    test("abcde", 0, 4, "", 4);
-    test("abcde", 0, 4, "abcde", -1);
-    test("abcde", 0, 4, "abcdefghij", -6);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
-    test("abcde", 0, 5, "", 5);
-    test("abcde", 0, 5, "abcde", 0);
-    test("abcde", 0, 5, "abcdefghij", -5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
-    test("abcde", 0, 6, "", 5);
-    test("abcde", 0, 6, "abcde", 0);
-    test("abcde", 0, 6, "abcdefghij", -5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
-    test("abcde", 1, 0, "", 0);
-    test("abcde", 1, 0, "abcde", -5);
-    test("abcde", 1, 0, "abcdefghij", -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 1, 1, "", 1);
-    test("abcde", 1, 1, "abcde", 1);
-    test("abcde", 1, 1, "abcdefghij", 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 2, "", 2);
-    test("abcde", 1, 2, "abcde", 1);
-    test("abcde", 1, 2, "abcdefghij", 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 3, "", 3);
-    test("abcde", 1, 3, "abcde", 1);
-    test("abcde", 1, 3, "abcdefghij", 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 4, "", 4);
-    test("abcde", 1, 4, "abcde", 1);
-    test("abcde", 1, 4, "abcdefghij", 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 5, "", 4);
-    test("abcde", 1, 5, "abcde", 1);
-    test("abcde", 1, 5, "abcdefghij", 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
-    test("abcde", 2, 0, "", 0);
-    test("abcde", 2, 0, "abcde", -5);
-    test("abcde", 2, 0, "abcdefghij", -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 2, 1, "", 1);
-    test("abcde", 2, 1, "abcde", 2);
-    test("abcde", 2, 1, "abcdefghij", 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 2, "", 2);
-    test("abcde", 2, 2, "abcde", 2);
-    test("abcde", 2, 2, "abcdefghij", 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 3, "", 3);
-    test("abcde", 2, 3, "abcde", 2);
-    test("abcde", 2, 3, "abcdefghij", 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 4, "", 3);
-    test("abcde", 2, 4, "abcde", 2);
-    test("abcde", 2, 4, "abcdefghij", 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
-    test("abcde", 4, 0, "", 0);
-    test("abcde", 4, 0, "abcde", -5);
-    test("abcde", 4, 0, "abcdefghij", -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 4, 1, "", 1);
-    test("abcde", 4, 1, "abcde", 4);
-    test("abcde", 4, 1, "abcdefghij", 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
-    test("abcde", 4, 2, "", 1);
-    test("abcde", 4, 2, "abcde", 4);
-    test("abcde", 4, 2, "abcdefghij", 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
-    test("abcde", 5, 0, "", 0);
-    test("abcde", 5, 0, "abcde", -5);
-    test("abcde", 5, 0, "abcdefghij", -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 5, 1, "", 0);
-    test("abcde", 5, 1, "abcde", -5);
-    test("abcde", 5, 1, "abcdefghij", -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
+void test0() {
+  test("", 0, 0, "", 0);
+  test("", 0, 0, "abcde", -5);
+  test("", 0, 0, "abcdefghij", -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("", 0, 1, "", 0);
+  test("", 0, 1, "abcde", -5);
+  test("", 0, 1, "abcdefghij", -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", -20);
+  test("", 1, 0, "", 0);
+  test("", 1, 0, "abcde", 0);
+  test("", 1, 0, "abcdefghij", 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0);
+  test("abcde", 0, 0, "", 0);
+  test("abcde", 0, 0, "abcde", -5);
+  test("abcde", 0, 0, "abcdefghij", -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 0, 1, "", 1);
+  test("abcde", 0, 1, "abcde", -4);
+  test("abcde", 0, 1, "abcdefghij", -9);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcde", 0, 2, "", 2);
+  test("abcde", 0, 2, "abcde", -3);
+  test("abcde", 0, 2, "abcdefghij", -8);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
+  test("abcde", 0, 4, "", 4);
+  test("abcde", 0, 4, "abcde", -1);
+  test("abcde", 0, 4, "abcdefghij", -6);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
+  test("abcde", 0, 5, "", 5);
+  test("abcde", 0, 5, "abcde", 0);
+  test("abcde", 0, 5, "abcdefghij", -5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
+  test("abcde", 0, 6, "", 5);
+  test("abcde", 0, 6, "abcde", 0);
+  test("abcde", 0, 6, "abcdefghij", -5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
+  test("abcde", 1, 0, "", 0);
+  test("abcde", 1, 0, "abcde", -5);
+  test("abcde", 1, 0, "abcdefghij", -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 1, 1, "", 1);
+  test("abcde", 1, 1, "abcde", 1);
+  test("abcde", 1, 1, "abcdefghij", 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 2, "", 2);
+  test("abcde", 1, 2, "abcde", 1);
+  test("abcde", 1, 2, "abcdefghij", 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 3, "", 3);
+  test("abcde", 1, 3, "abcde", 1);
+  test("abcde", 1, 3, "abcdefghij", 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 4, "", 4);
+  test("abcde", 1, 4, "abcde", 1);
+  test("abcde", 1, 4, "abcdefghij", 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 5, "", 4);
+  test("abcde", 1, 5, "abcde", 1);
+  test("abcde", 1, 5, "abcdefghij", 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
+  test("abcde", 2, 0, "", 0);
+  test("abcde", 2, 0, "abcde", -5);
+  test("abcde", 2, 0, "abcdefghij", -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 2, 1, "", 1);
+  test("abcde", 2, 1, "abcde", 2);
+  test("abcde", 2, 1, "abcdefghij", 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 2, "", 2);
+  test("abcde", 2, 2, "abcde", 2);
+  test("abcde", 2, 2, "abcdefghij", 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 3, "", 3);
+  test("abcde", 2, 3, "abcde", 2);
+  test("abcde", 2, 3, "abcdefghij", 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 4, "", 3);
+  test("abcde", 2, 4, "abcde", 2);
+  test("abcde", 2, 4, "abcdefghij", 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
+  test("abcde", 4, 0, "", 0);
+  test("abcde", 4, 0, "abcde", -5);
+  test("abcde", 4, 0, "abcdefghij", -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 4, 1, "", 1);
+  test("abcde", 4, 1, "abcde", 4);
+  test("abcde", 4, 1, "abcdefghij", 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
+  test("abcde", 4, 2, "", 1);
+  test("abcde", 4, 2, "abcde", 4);
+  test("abcde", 4, 2, "abcdefghij", 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
+  test("abcde", 5, 0, "", 0);
+  test("abcde", 5, 0, "abcde", -5);
+  test("abcde", 5, 0, "abcdefghij", -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 5, 1, "", 0);
+  test("abcde", 5, 1, "abcde", -5);
+  test("abcde", 5, 1, "abcdefghij", -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
 }
 
-void test1()
-{
-    test("abcde", 6, 0, "", 0);
-    test("abcde", 6, 0, "abcde", 0);
-    test("abcde", 6, 0, "abcdefghij", 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
-    test("abcdefghij", 0, 0, "", 0);
-    test("abcdefghij", 0, 0, "abcde", -5);
-    test("abcdefghij", 0, 0, "abcdefghij", -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 0, 1, "", 1);
-    test("abcdefghij", 0, 1, "abcde", -4);
-    test("abcdefghij", 0, 1, "abcdefghij", -9);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcdefghij", 0, 5, "", 5);
-    test("abcdefghij", 0, 5, "abcde", 0);
-    test("abcdefghij", 0, 5, "abcdefghij", -5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
-    test("abcdefghij", 0, 9, "", 9);
-    test("abcdefghij", 0, 9, "abcde", 4);
-    test("abcdefghij", 0, 9, "abcdefghij", -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
-    test("abcdefghij", 0, 10, "", 10);
-    test("abcdefghij", 0, 10, "abcde", 5);
-    test("abcdefghij", 0, 10, "abcdefghij", 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
-    test("abcdefghij", 0, 11, "", 10);
-    test("abcdefghij", 0, 11, "abcde", 5);
-    test("abcdefghij", 0, 11, "abcdefghij", 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
-    test("abcdefghij", 1, 0, "", 0);
-    test("abcdefghij", 1, 0, "abcde", -5);
-    test("abcdefghij", 1, 0, "abcdefghij", -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 1, 1, "", 1);
-    test("abcdefghij", 1, 1, "abcde", 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 4, "", 4);
-    test("abcdefghij", 1, 4, "abcde", 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 8, "", 8);
-    test("abcdefghij", 1, 8, "abcde", 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 9, "", 9);
-    test("abcdefghij", 1, 9, "abcde", 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 10, "", 9);
-    test("abcdefghij", 1, 10, "abcde", 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 5, 0, "", 0);
-    test("abcdefghij", 5, 0, "abcde", -5);
-    test("abcdefghij", 5, 0, "abcdefghij", -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 5, 1, "", 1);
-    test("abcdefghij", 5, 1, "abcde", 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 2, "", 2);
-    test("abcdefghij", 5, 2, "abcde", 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 4, "", 4);
-    test("abcdefghij", 5, 4, "abcde", 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 5, "", 5);
-    test("abcdefghij", 5, 5, "abcde", 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 6, "", 5);
-    test("abcdefghij", 5, 6, "abcde", 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 9, 0, "", 0);
-    test("abcdefghij", 9, 0, "abcde", -5);
-    test("abcdefghij", 9, 0, "abcdefghij", -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 9, 1, "", 1);
-    test("abcdefghij", 9, 1, "abcde", 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
-    test("abcdefghij", 9, 2, "", 1);
-    test("abcdefghij", 9, 2, "abcde", 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
-    test("abcdefghij", 10, 0, "", 0);
-    test("abcdefghij", 10, 0, "abcde", -5);
-    test("abcdefghij", 10, 0, "abcdefghij", -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 10, 1, "", 0);
-    test("abcdefghij", 10, 1, "abcde", -5);
-    test("abcdefghij", 10, 1, "abcdefghij", -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 11, 0, "", 0);
-    test("abcdefghij", 11, 0, "abcde", 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
+void test1() {
+  test("abcde", 6, 0, "", 0);
+  test("abcde", 6, 0, "abcde", 0);
+  test("abcde", 6, 0, "abcdefghij", 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
+  test("abcdefghij", 0, 0, "", 0);
+  test("abcdefghij", 0, 0, "abcde", -5);
+  test("abcdefghij", 0, 0, "abcdefghij", -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 0, 1, "", 1);
+  test("abcdefghij", 0, 1, "abcde", -4);
+  test("abcdefghij", 0, 1, "abcdefghij", -9);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcdefghij", 0, 5, "", 5);
+  test("abcdefghij", 0, 5, "abcde", 0);
+  test("abcdefghij", 0, 5, "abcdefghij", -5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
+  test("abcdefghij", 0, 9, "", 9);
+  test("abcdefghij", 0, 9, "abcde", 4);
+  test("abcdefghij", 0, 9, "abcdefghij", -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
+  test("abcdefghij", 0, 10, "", 10);
+  test("abcdefghij", 0, 10, "abcde", 5);
+  test("abcdefghij", 0, 10, "abcdefghij", 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
+  test("abcdefghij", 0, 11, "", 10);
+  test("abcdefghij", 0, 11, "abcde", 5);
+  test("abcdefghij", 0, 11, "abcdefghij", 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
+  test("abcdefghij", 1, 0, "", 0);
+  test("abcdefghij", 1, 0, "abcde", -5);
+  test("abcdefghij", 1, 0, "abcdefghij", -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 1, 1, "", 1);
+  test("abcdefghij", 1, 1, "abcde", 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 4, "", 4);
+  test("abcdefghij", 1, 4, "abcde", 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 8, "", 8);
+  test("abcdefghij", 1, 8, "abcde", 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 9, "", 9);
+  test("abcdefghij", 1, 9, "abcde", 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 10, "", 9);
+  test("abcdefghij", 1, 10, "abcde", 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 5, 0, "", 0);
+  test("abcdefghij", 5, 0, "abcde", -5);
+  test("abcdefghij", 5, 0, "abcdefghij", -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 5, 1, "", 1);
+  test("abcdefghij", 5, 1, "abcde", 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 2, "", 2);
+  test("abcdefghij", 5, 2, "abcde", 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 4, "", 4);
+  test("abcdefghij", 5, 4, "abcde", 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 5, "", 5);
+  test("abcdefghij", 5, 5, "abcde", 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 6, "", 5);
+  test("abcdefghij", 5, 6, "abcde", 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 9, 0, "", 0);
+  test("abcdefghij", 9, 0, "abcde", -5);
+  test("abcdefghij", 9, 0, "abcdefghij", -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 9, 1, "", 1);
+  test("abcdefghij", 9, 1, "abcde", 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
+  test("abcdefghij", 9, 2, "", 1);
+  test("abcdefghij", 9, 2, "abcde", 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
+  test("abcdefghij", 10, 0, "", 0);
+  test("abcdefghij", 10, 0, "abcde", -5);
+  test("abcdefghij", 10, 0, "abcdefghij", -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 10, 1, "", 0);
+  test("abcdefghij", 10, 1, "abcde", -5);
+  test("abcdefghij", 10, 1, "abcdefghij", -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 11, 0, "", 0);
+  test("abcdefghij", 11, 0, "abcde", 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
 }
 
-void test2()
-{
-    test("abcdefghijklmnopqrst", 0, 0, "", 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 0, 1, "", 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcdefghijklmnopqrst", 0, 10, "", 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
-    test("abcdefghijklmnopqrst", 0, 19, "", 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
-    test("abcdefghijklmnopqrst", 0, 20, "", 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
-    test("abcdefghijklmnopqrst", 0, 21, "", 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 1, 1, "", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "", 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "", 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "", 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "", 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 10, 0, "", 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 10, 1, "", 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "", 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "", 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 19, 0, "", 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 19, 1, "", 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "", 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19);
-    test("abcdefghijklmnopqrst", 20, 0, "", 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 20, 1, "", 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 21, 0, "", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0);
+void test2() {
+  test("abcdefghijklmnopqrst", 0, 0, "", 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 0, 1, "", 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcdefghijklmnopqrst", 0, 10, "", 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
+  test("abcdefghijklmnopqrst", 0, 19, "", 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
+  test("abcdefghijklmnopqrst", 0, 20, "", 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
+  test("abcdefghijklmnopqrst", 0, 21, "", 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 1, 1, "", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "", 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "", 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "", 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "", 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 10, 0, "", 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 10, 1, "", 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "", 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "", 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 19, 0, "", 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 19, 1, "", 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "", 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19);
+  test("abcdefghijklmnopqrst", 20, 0, "", 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 20, 1, "", 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 21, 0, "", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0);
 }
 
+int main(int, char**) {
+  test0();
+  test1();
+  test2();
 
-int main(int, char**)
-{
-    test0();
-    test1();
-    test2();
-
-    {
+  {
     test("", 0, 0, "", 0);
     test("", 0, 0, "abcde", -5);
     test("", 0, 0, "abcdefghij", -10);
     test("", 0, 0, "abcdefghijklmnopqrst", -20);
     test("abcde", 0, 2, "", 5);
-    test("abcde", 0, 6,"abcde", 0);
+    test("abcde", 0, 6, "abcde", 0);
     test("abcde", 0, 6, "abcdefghij", -5);
     test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
     test("abcdefghij", 3, 3, "", 10);
-    test("abcdefghij", 3, 3,"abcde", 5);
+    test("abcdefghij", 3, 3, "abcde", 5);
     test("abcdefghij", 3, 3, "def", 0);
     test("abcdefghij", 0, 4, "abcdefghijklmnopqrst", -10);
     test("abcdefghijklmnopqrst", 5, 5, "", 20);
     test("abcdefghijklmnopqrst", 0, 8, "abcde", 15);
     test("abcdefghijklmnopqrst", 0, 12, "abcdefghij", 10);
     test("abcdefghijklmnopqrst", 0, static_cast<size_t>(-1), "abcdefghijklmnopqrst", 0);
-    }
+  }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
+  {
     test(L"", 0, 0, L"", 0);
     test(L"", 0, 0, L"abcde", -5);
     test(L"", 0, 0, L"abcdefghij", -10);
@@ -399,11 +390,11 @@
     test(L"abcdefghijklmnopqrst", 0, 8, L"abcde", 15);
     test(L"abcdefghijklmnopqrst", 0, 12, L"abcdefghij", 10);
     test(L"abcdefghijklmnopqrst", 0, static_cast<size_t>(-1), L"abcdefghijklmnopqrst", 0);
-    }
+  }
 #endif
 
 #if TEST_STD_VER >= 11
-    {
+  {
     test(U"", 0, 0, U"", 0);
     test(U"", 0, 0, U"abcde", -5);
     test(U"", 0, 0, U"abcdefghij", -10);
@@ -420,9 +411,9 @@
     test(U"abcdefghijklmnopqrst", 0, 8, U"abcde", 15);
     test(U"abcdefghijklmnopqrst", 0, 12, U"abcdefghij", 10);
     test(U"abcdefghijklmnopqrst", 0, static_cast<size_t>(-1), U"abcdefghijklmnopqrst", 0);
-    }
+  }
 
-    {
+  {
     test(u"", 0, 0, u"", 0);
     test(u"", 0, 0, u"abcde", -5);
     test(u"", 0, 0, u"abcdefghij", -10);
@@ -439,19 +430,19 @@
     test(u"abcdefghijklmnopqrst", 0, 8, u"abcde", 15);
     test(u"abcdefghijklmnopqrst", 0, 12, u"abcdefghij", 10);
     test(u"abcdefghijklmnopqrst", 0, static_cast<size_t>(-1), u"abcdefghijklmnopqrst", 0);
-    }
+  }
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcde", 5 };
-    static_assert ( sv1.compare(0, 0, "") == 0, "" );
-    static_assert ( sv1.compare(0, 0, "abcde") < 0, "" );
-    static_assert ( sv2.compare(0, 2, "") > 0, "" );
-    static_assert ( sv2.compare(0, 6, "abcde") == 0, "" );
-    }
+    constexpr SV sv1;
+    constexpr SV sv2{"abcde", 5};
+    static_assert(sv1.compare(0, 0, "") == 0, "");
+    static_assert(sv1.compare(0, 0, "abcde") < 0, "");
+    static_assert(sv2.compare(0, 2, "") > 0, "");
+    static_assert(sv2.compare(0, 6, "abcde") == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv.pass.cpp
@@ -19,388 +19,381 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1, size_t pos1, size_t n1,
-            std::basic_string_view<CharT> sv2, int expected ) {
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1, size_t pos1, size_t n1, std::basic_string_view<CharT> sv2, int expected) {
 #ifdef TEST_HAS_NO_EXCEPTIONS
-    if (pos1 <= sv1.size())
-        assert(sign( sv1.compare(pos1, n1, sv2)) == sign(expected));
+  if (pos1 <= sv1.size())
+    assert(sign(sv1.compare(pos1, n1, sv2)) == sign(expected));
 #else
-    try {
-        assert(sign( sv1.compare(pos1, n1, sv2)) == sign(expected));
-        assert(pos1 <= sv1.size());
-    }
-    catch (const std::out_of_range&) {
-        assert(pos1 > sv1.size());
-    }
+  try {
+    assert(sign(sv1.compare(pos1, n1, sv2)) == sign(expected));
+    assert(pos1 <= sv1.size());
+  } catch (const std::out_of_range&) {
+    assert(pos1 > sv1.size());
+  }
 #endif
 }
 
-
-template<typename CharT>
-void test ( const CharT *s1, size_t pos1, size_t n1, const CharT  *s2, int expected ) {
-    typedef std::basic_string_view<CharT> string_view_t;
-    string_view_t sv1 ( s1 );
-    string_view_t sv2 ( s2 );
-    test1(sv1, pos1, n1, sv2, expected);
+template <typename CharT>
+void test(const CharT* s1, size_t pos1, size_t n1, const CharT* s2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
+  string_view_t sv1(s1);
+  string_view_t sv2(s2);
+  test1(sv1, pos1, n1, sv2, expected);
 }
 
-void test0()
-{
-    test("", 0, 0, "", 0);
-    test("", 0, 0, "abcde", -5);
-    test("", 0, 0, "abcdefghij", -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("", 0, 1, "", 0);
-    test("", 0, 1, "abcde", -5);
-    test("", 0, 1, "abcdefghij", -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", -20);
-    test("", 1, 0, "", 0);
-    test("", 1, 0, "abcde", 0);
-    test("", 1, 0, "abcdefghij", 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0);
-    test("abcde", 0, 0, "", 0);
-    test("abcde", 0, 0, "abcde", -5);
-    test("abcde", 0, 0, "abcdefghij", -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 0, 1, "", 1);
-    test("abcde", 0, 1, "abcde", -4);
-    test("abcde", 0, 1, "abcdefghij", -9);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcde", 0, 2, "", 2);
-    test("abcde", 0, 2, "abcde", -3);
-    test("abcde", 0, 2, "abcdefghij", -8);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
-    test("abcde", 0, 4, "", 4);
-    test("abcde", 0, 4, "abcde", -1);
-    test("abcde", 0, 4, "abcdefghij", -6);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
-    test("abcde", 0, 5, "", 5);
-    test("abcde", 0, 5, "abcde", 0);
-    test("abcde", 0, 5, "abcdefghij", -5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
-    test("abcde", 0, 6, "", 5);
-    test("abcde", 0, 6, "abcde", 0);
-    test("abcde", 0, 6, "abcdefghij", -5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
-    test("abcde", 1, 0, "", 0);
-    test("abcde", 1, 0, "abcde", -5);
-    test("abcde", 1, 0, "abcdefghij", -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 1, 1, "", 1);
-    test("abcde", 1, 1, "abcde", 1);
-    test("abcde", 1, 1, "abcdefghij", 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 2, "", 2);
-    test("abcde", 1, 2, "abcde", 1);
-    test("abcde", 1, 2, "abcdefghij", 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 3, "", 3);
-    test("abcde", 1, 3, "abcde", 1);
-    test("abcde", 1, 3, "abcdefghij", 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 4, "", 4);
-    test("abcde", 1, 4, "abcde", 1);
-    test("abcde", 1, 4, "abcdefghij", 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
-    test("abcde", 1, 5, "", 4);
-    test("abcde", 1, 5, "abcde", 1);
-    test("abcde", 1, 5, "abcdefghij", 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
-    test("abcde", 2, 0, "", 0);
-    test("abcde", 2, 0, "abcde", -5);
-    test("abcde", 2, 0, "abcdefghij", -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 2, 1, "", 1);
-    test("abcde", 2, 1, "abcde", 2);
-    test("abcde", 2, 1, "abcdefghij", 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 2, "", 2);
-    test("abcde", 2, 2, "abcde", 2);
-    test("abcde", 2, 2, "abcdefghij", 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 3, "", 3);
-    test("abcde", 2, 3, "abcde", 2);
-    test("abcde", 2, 3, "abcdefghij", 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
-    test("abcde", 2, 4, "", 3);
-    test("abcde", 2, 4, "abcde", 2);
-    test("abcde", 2, 4, "abcdefghij", 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
-    test("abcde", 4, 0, "", 0);
-    test("abcde", 4, 0, "abcde", -5);
-    test("abcde", 4, 0, "abcdefghij", -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 4, 1, "", 1);
-    test("abcde", 4, 1, "abcde", 4);
-    test("abcde", 4, 1, "abcdefghij", 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
-    test("abcde", 4, 2, "", 1);
-    test("abcde", 4, 2, "abcde", 4);
-    test("abcde", 4, 2, "abcdefghij", 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
-    test("abcde", 5, 0, "", 0);
-    test("abcde", 5, 0, "abcde", -5);
-    test("abcde", 5, 0, "abcdefghij", -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
-    test("abcde", 5, 1, "", 0);
-    test("abcde", 5, 1, "abcde", -5);
-    test("abcde", 5, 1, "abcdefghij", -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
+void test0() {
+  test("", 0, 0, "", 0);
+  test("", 0, 0, "abcde", -5);
+  test("", 0, 0, "abcdefghij", -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("", 0, 1, "", 0);
+  test("", 0, 1, "abcde", -5);
+  test("", 0, 1, "abcdefghij", -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", -20);
+  test("", 1, 0, "", 0);
+  test("", 1, 0, "abcde", 0);
+  test("", 1, 0, "abcdefghij", 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0);
+  test("abcde", 0, 0, "", 0);
+  test("abcde", 0, 0, "abcde", -5);
+  test("abcde", 0, 0, "abcdefghij", -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 0, 1, "", 1);
+  test("abcde", 0, 1, "abcde", -4);
+  test("abcde", 0, 1, "abcdefghij", -9);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcde", 0, 2, "", 2);
+  test("abcde", 0, 2, "abcde", -3);
+  test("abcde", 0, 2, "abcdefghij", -8);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
+  test("abcde", 0, 4, "", 4);
+  test("abcde", 0, 4, "abcde", -1);
+  test("abcde", 0, 4, "abcdefghij", -6);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
+  test("abcde", 0, 5, "", 5);
+  test("abcde", 0, 5, "abcde", 0);
+  test("abcde", 0, 5, "abcdefghij", -5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
+  test("abcde", 0, 6, "", 5);
+  test("abcde", 0, 6, "abcde", 0);
+  test("abcde", 0, 6, "abcdefghij", -5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
+  test("abcde", 1, 0, "", 0);
+  test("abcde", 1, 0, "abcde", -5);
+  test("abcde", 1, 0, "abcdefghij", -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 1, 1, "", 1);
+  test("abcde", 1, 1, "abcde", 1);
+  test("abcde", 1, 1, "abcdefghij", 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 2, "", 2);
+  test("abcde", 1, 2, "abcde", 1);
+  test("abcde", 1, 2, "abcdefghij", 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 3, "", 3);
+  test("abcde", 1, 3, "abcde", 1);
+  test("abcde", 1, 3, "abcdefghij", 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 4, "", 4);
+  test("abcde", 1, 4, "abcde", 1);
+  test("abcde", 1, 4, "abcdefghij", 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
+  test("abcde", 1, 5, "", 4);
+  test("abcde", 1, 5, "abcde", 1);
+  test("abcde", 1, 5, "abcdefghij", 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
+  test("abcde", 2, 0, "", 0);
+  test("abcde", 2, 0, "abcde", -5);
+  test("abcde", 2, 0, "abcdefghij", -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 2, 1, "", 1);
+  test("abcde", 2, 1, "abcde", 2);
+  test("abcde", 2, 1, "abcdefghij", 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 2, "", 2);
+  test("abcde", 2, 2, "abcde", 2);
+  test("abcde", 2, 2, "abcdefghij", 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 3, "", 3);
+  test("abcde", 2, 3, "abcde", 2);
+  test("abcde", 2, 3, "abcdefghij", 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
+  test("abcde", 2, 4, "", 3);
+  test("abcde", 2, 4, "abcde", 2);
+  test("abcde", 2, 4, "abcdefghij", 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
+  test("abcde", 4, 0, "", 0);
+  test("abcde", 4, 0, "abcde", -5);
+  test("abcde", 4, 0, "abcdefghij", -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 4, 1, "", 1);
+  test("abcde", 4, 1, "abcde", 4);
+  test("abcde", 4, 1, "abcdefghij", 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
+  test("abcde", 4, 2, "", 1);
+  test("abcde", 4, 2, "abcde", 4);
+  test("abcde", 4, 2, "abcdefghij", 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
+  test("abcde", 5, 0, "", 0);
+  test("abcde", 5, 0, "abcde", -5);
+  test("abcde", 5, 0, "abcdefghij", -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
+  test("abcde", 5, 1, "", 0);
+  test("abcde", 5, 1, "abcde", -5);
+  test("abcde", 5, 1, "abcdefghij", -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
 }
 
-void test1()
-{
-    test("abcde", 6, 0, "", 0);
-    test("abcde", 6, 0, "abcde", 0);
-    test("abcde", 6, 0, "abcdefghij", 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
-    test("abcdefghij", 0, 0, "", 0);
-    test("abcdefghij", 0, 0, "abcde", -5);
-    test("abcdefghij", 0, 0, "abcdefghij", -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 0, 1, "", 1);
-    test("abcdefghij", 0, 1, "abcde", -4);
-    test("abcdefghij", 0, 1, "abcdefghij", -9);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcdefghij", 0, 5, "", 5);
-    test("abcdefghij", 0, 5, "abcde", 0);
-    test("abcdefghij", 0, 5, "abcdefghij", -5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
-    test("abcdefghij", 0, 9, "", 9);
-    test("abcdefghij", 0, 9, "abcde", 4);
-    test("abcdefghij", 0, 9, "abcdefghij", -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
-    test("abcdefghij", 0, 10, "", 10);
-    test("abcdefghij", 0, 10, "abcde", 5);
-    test("abcdefghij", 0, 10, "abcdefghij", 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
-    test("abcdefghij", 0, 11, "", 10);
-    test("abcdefghij", 0, 11, "abcde", 5);
-    test("abcdefghij", 0, 11, "abcdefghij", 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
-    test("abcdefghij", 1, 0, "", 0);
-    test("abcdefghij", 1, 0, "abcde", -5);
-    test("abcdefghij", 1, 0, "abcdefghij", -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 1, 1, "", 1);
-    test("abcdefghij", 1, 1, "abcde", 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 4, "", 4);
-    test("abcdefghij", 1, 4, "abcde", 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 8, "", 8);
-    test("abcdefghij", 1, 8, "abcde", 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 9, "", 9);
-    test("abcdefghij", 1, 9, "abcde", 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 1, 10, "", 9);
-    test("abcdefghij", 1, 10, "abcde", 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
-    test("abcdefghij", 5, 0, "", 0);
-    test("abcdefghij", 5, 0, "abcde", -5);
-    test("abcdefghij", 5, 0, "abcdefghij", -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 5, 1, "", 1);
-    test("abcdefghij", 5, 1, "abcde", 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 2, "", 2);
-    test("abcdefghij", 5, 2, "abcde", 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 4, "", 4);
-    test("abcdefghij", 5, 4, "abcde", 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 5, "", 5);
-    test("abcdefghij", 5, 5, "abcde", 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 5, 6, "", 5);
-    test("abcdefghij", 5, 6, "abcde", 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
-    test("abcdefghij", 9, 0, "", 0);
-    test("abcdefghij", 9, 0, "abcde", -5);
-    test("abcdefghij", 9, 0, "abcdefghij", -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 9, 1, "", 1);
-    test("abcdefghij", 9, 1, "abcde", 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
-    test("abcdefghij", 9, 2, "", 1);
-    test("abcdefghij", 9, 2, "abcde", 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
-    test("abcdefghij", 10, 0, "", 0);
-    test("abcdefghij", 10, 0, "abcde", -5);
-    test("abcdefghij", 10, 0, "abcdefghij", -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 10, 1, "", 0);
-    test("abcdefghij", 10, 1, "abcde", -5);
-    test("abcdefghij", 10, 1, "abcdefghij", -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
-    test("abcdefghij", 11, 0, "", 0);
-    test("abcdefghij", 11, 0, "abcde", 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
+void test1() {
+  test("abcde", 6, 0, "", 0);
+  test("abcde", 6, 0, "abcde", 0);
+  test("abcde", 6, 0, "abcdefghij", 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
+  test("abcdefghij", 0, 0, "", 0);
+  test("abcdefghij", 0, 0, "abcde", -5);
+  test("abcdefghij", 0, 0, "abcdefghij", -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 0, 1, "", 1);
+  test("abcdefghij", 0, 1, "abcde", -4);
+  test("abcdefghij", 0, 1, "abcdefghij", -9);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcdefghij", 0, 5, "", 5);
+  test("abcdefghij", 0, 5, "abcde", 0);
+  test("abcdefghij", 0, 5, "abcdefghij", -5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
+  test("abcdefghij", 0, 9, "", 9);
+  test("abcdefghij", 0, 9, "abcde", 4);
+  test("abcdefghij", 0, 9, "abcdefghij", -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
+  test("abcdefghij", 0, 10, "", 10);
+  test("abcdefghij", 0, 10, "abcde", 5);
+  test("abcdefghij", 0, 10, "abcdefghij", 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
+  test("abcdefghij", 0, 11, "", 10);
+  test("abcdefghij", 0, 11, "abcde", 5);
+  test("abcdefghij", 0, 11, "abcdefghij", 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
+  test("abcdefghij", 1, 0, "", 0);
+  test("abcdefghij", 1, 0, "abcde", -5);
+  test("abcdefghij", 1, 0, "abcdefghij", -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 1, 1, "", 1);
+  test("abcdefghij", 1, 1, "abcde", 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 4, "", 4);
+  test("abcdefghij", 1, 4, "abcde", 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 8, "", 8);
+  test("abcdefghij", 1, 8, "abcde", 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 9, "", 9);
+  test("abcdefghij", 1, 9, "abcde", 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 1, 10, "", 9);
+  test("abcdefghij", 1, 10, "abcde", 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
+  test("abcdefghij", 5, 0, "", 0);
+  test("abcdefghij", 5, 0, "abcde", -5);
+  test("abcdefghij", 5, 0, "abcdefghij", -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 5, 1, "", 1);
+  test("abcdefghij", 5, 1, "abcde", 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 2, "", 2);
+  test("abcdefghij", 5, 2, "abcde", 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 4, "", 4);
+  test("abcdefghij", 5, 4, "abcde", 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 5, "", 5);
+  test("abcdefghij", 5, 5, "abcde", 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 5, 6, "", 5);
+  test("abcdefghij", 5, 6, "abcde", 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
+  test("abcdefghij", 9, 0, "", 0);
+  test("abcdefghij", 9, 0, "abcde", -5);
+  test("abcdefghij", 9, 0, "abcdefghij", -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 9, 1, "", 1);
+  test("abcdefghij", 9, 1, "abcde", 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
+  test("abcdefghij", 9, 2, "", 1);
+  test("abcdefghij", 9, 2, "abcde", 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
+  test("abcdefghij", 10, 0, "", 0);
+  test("abcdefghij", 10, 0, "abcde", -5);
+  test("abcdefghij", 10, 0, "abcdefghij", -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 10, 1, "", 0);
+  test("abcdefghij", 10, 1, "abcde", -5);
+  test("abcdefghij", 10, 1, "abcdefghij", -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
+  test("abcdefghij", 11, 0, "", 0);
+  test("abcdefghij", 11, 0, "abcde", 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
 }
 
-void test2()
-{
-    test("abcdefghijklmnopqrst", 0, 0, "", 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 0, 1, "", 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
-    test("abcdefghijklmnopqrst", 0, 10, "", 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
-    test("abcdefghijklmnopqrst", 0, 19, "", 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
-    test("abcdefghijklmnopqrst", 0, 20, "", 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
-    test("abcdefghijklmnopqrst", 0, 21, "", 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 1, 1, "", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "", 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "", 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "", 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "", 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
-    test("abcdefghijklmnopqrst", 10, 0, "", 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 10, 1, "", 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "", 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "", 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10);
-    test("abcdefghijklmnopqrst", 19, 0, "", 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 19, 1, "", 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "", 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19);
-    test("abcdefghijklmnopqrst", 20, 0, "", 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 20, 1, "", 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20);
-    test("abcdefghijklmnopqrst", 21, 0, "", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0);
+void test2() {
+  test("abcdefghijklmnopqrst", 0, 0, "", 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 0, 1, "", 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
+  test("abcdefghijklmnopqrst", 0, 10, "", 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
+  test("abcdefghijklmnopqrst", 0, 19, "", 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
+  test("abcdefghijklmnopqrst", 0, 20, "", 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
+  test("abcdefghijklmnopqrst", 0, 21, "", 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 1, 1, "", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "", 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "", 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "", 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "", 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
+  test("abcdefghijklmnopqrst", 10, 0, "", 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 10, 1, "", 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "", 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "", 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10);
+  test("abcdefghijklmnopqrst", 19, 0, "", 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 19, 1, "", 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "", 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19);
+  test("abcdefghijklmnopqrst", 20, 0, "", 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 20, 1, "", 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20);
+  test("abcdefghijklmnopqrst", 21, 0, "", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0);
 }
 
-
 int main(int, char**) {
-    test0();
-    test1();
-    test2();
+  test0();
+  test1();
+  test2();
 
-    {
+  {
     test("abcde", 5, 1, "", 0);
     test("abcde", 2, 4, "", 3);
     test("abcde", 2, 4, "abcde", 2);
     test("ABCde", 2, 4, "abcde", -1);
-    }
+  }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
+  {
     test(L"abcde", 5, 1, L"", 0);
     test(L"abcde", 2, 4, L"", 3);
     test(L"abcde", 2, 4, L"abcde", 2);
     test(L"ABCde", 2, 4, L"abcde", -1);
-    }
+  }
 #endif
 
 #if TEST_STD_VER >= 11
-    {
+  {
     test(u"abcde", 5, 1, u"", 0);
     test(u"abcde", 2, 4, u"", 3);
     test(u"abcde", 2, 4, u"abcde", 2);
     test(u"ABCde", 2, 4, u"abcde", -1);
-    }
+  }
 
-    {
+  {
     test(U"abcde", 5, 1, U"", 0);
     test(U"abcde", 2, 4, U"", 3);
     test(U"abcde", 2, 4, U"abcde", 2);
     test(U"ABCde", 2, 4, U"abcde", -1);
-    }
+  }
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1 { "abcde", 5 };
-    constexpr SV  sv2 { "abcde", 0 };
-    static_assert ( sv1.compare(5, 1, sv2) == 0, "" );
-    static_assert ( sv1.compare(2, 4, sv2) > 0, "" );
-    }
+    constexpr SV sv1{"abcde", 5};
+    constexpr SV sv2{"abcde", 0};
+    static_assert(sv1.compare(5, 1, sv2) == 0, "");
+    static_assert(sv1.compare(2, 4, sv2) > 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_pointer_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_pointer_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_pointer_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_pointer_size.pass.cpp
@@ -20,1338 +20,1309 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1, size_t pos1, size_t n1,
-             const CharT *s2, size_t n2, int expected ) {
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1, size_t pos1, size_t n1, const CharT* s2, size_t n2, int expected) {
 #ifdef TEST_HAS_NO_EXCEPTIONS
-    if (pos1 <= sv1.size())
-        assert(sign(sv1.compare(pos1, n1, s2, n2)) == sign(expected));
+  if (pos1 <= sv1.size())
+    assert(sign(sv1.compare(pos1, n1, s2, n2)) == sign(expected));
 #else
-    try {
-        assert(sign(sv1.compare(pos1, n1, s2, n2)) == sign(expected));
-        assert(pos1 <= sv1.size());
-        }
-    catch (const std::out_of_range&) {
-        assert(pos1 > sv1.size());
-        }
+  try {
+    assert(sign(sv1.compare(pos1, n1, s2, n2)) == sign(expected));
+    assert(pos1 <= sv1.size());
+  } catch (const std::out_of_range&) {
+    assert(pos1 > sv1.size());
+  }
 #endif
 }
 
-
-template<typename CharT>
-void test ( const CharT *s1, size_t pos1, size_t n1,
-            const CharT *s2, size_t n2,
-            int expected ) {
-    typedef std::basic_string_view<CharT> string_view_t;
-    string_view_t sv1 ( s1 );
-    test1 (sv1, pos1, n1, s2, n2, expected);
+template <typename CharT>
+void test(const CharT* s1, size_t pos1, size_t n1, const CharT* s2, size_t n2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
+  string_view_t sv1(s1);
+  test1(sv1, pos1, n1, s2, n2, expected);
 }
 
-
-void test0()
-{
-    test("", 0, 0, "", 0, 0);
-    test("", 0, 0, "abcde", 0, 0);
-    test("", 0, 0, "abcde", 1, -1);
-    test("", 0, 0, "abcde", 2, -2);
-    test("", 0, 0, "abcde", 4, -4);
-    test("", 0, 0, "abcde", 5, -5);
-    test("", 0, 0, "abcdefghij", 0, 0);
-    test("", 0, 0, "abcdefghij", 1, -1);
-    test("", 0, 0, "abcdefghij", 5, -5);
-    test("", 0, 0, "abcdefghij", 9, -9);
-    test("", 0, 0, "abcdefghij", 10, -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("", 0, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("", 0, 1, "", 0, 0);
-    test("", 0, 1, "abcde", 0, 0);
-    test("", 0, 1, "abcde", 1, -1);
-    test("", 0, 1, "abcde", 2, -2);
-    test("", 0, 1, "abcde", 4, -4);
-    test("", 0, 1, "abcde", 5, -5);
-    test("", 0, 1, "abcdefghij", 0, 0);
-    test("", 0, 1, "abcdefghij", 1, -1);
-    test("", 0, 1, "abcdefghij", 5, -5);
-    test("", 0, 1, "abcdefghij", 9, -9);
-    test("", 0, 1, "abcdefghij", 10, -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", 19, -19);
-    test("", 0, 1, "abcdefghijklmnopqrst", 20, -20);
-    test("", 1, 0, "", 0, 0);
-    test("", 1, 0, "abcde", 0, 0);
-    test("", 1, 0, "abcde", 1, 0);
-    test("", 1, 0, "abcde", 2, 0);
-    test("", 1, 0, "abcde", 4, 0);
-    test("", 1, 0, "abcde", 5, 0);
-    test("", 1, 0, "abcdefghij", 0, 0);
-    test("", 1, 0, "abcdefghij", 1, 0);
-    test("", 1, 0, "abcdefghij", 5, 0);
-    test("", 1, 0, "abcdefghij", 9, 0);
-    test("", 1, 0, "abcdefghij", 10, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 19, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 20, 0);
-    test("abcde", 0, 0, "", 0, 0);
-    test("abcde", 0, 0, "abcde", 0, 0);
-    test("abcde", 0, 0, "abcde", 1, -1);
-    test("abcde", 0, 0, "abcde", 2, -2);
-    test("abcde", 0, 0, "abcde", 4, -4);
-    test("abcde", 0, 0, "abcde", 5, -5);
-    test("abcde", 0, 0, "abcdefghij", 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 1, -1);
-    test("abcde", 0, 0, "abcdefghij", 5, -5);
-    test("abcde", 0, 0, "abcdefghij", 9, -9);
-    test("abcde", 0, 0, "abcdefghij", 10, -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcde", 0, 1, "", 0, 1);
-    test("abcde", 0, 1, "abcde", 0, 1);
-    test("abcde", 0, 1, "abcde", 1, 0);
-    test("abcde", 0, 1, "abcde", 2, -1);
-    test("abcde", 0, 1, "abcde", 4, -3);
-    test("abcde", 0, 1, "abcde", 5, -4);
-    test("abcde", 0, 1, "abcdefghij", 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 1, 0);
-    test("abcde", 0, 1, "abcdefghij", 5, -4);
-    test("abcde", 0, 1, "abcdefghij", 9, -8);
-    test("abcde", 0, 1, "abcdefghij", 10, -9);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 0);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, -9);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, -18);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, -19);
-    test("abcde", 0, 2, "", 0, 2);
-    test("abcde", 0, 2, "abcde", 0, 2);
-    test("abcde", 0, 2, "abcde", 1, 1);
-    test("abcde", 0, 2, "abcde", 2, 0);
-    test("abcde", 0, 2, "abcde", 4, -2);
-    test("abcde", 0, 2, "abcde", 5, -3);
-    test("abcde", 0, 2, "abcdefghij", 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 1, 1);
-    test("abcde", 0, 2, "abcdefghij", 5, -3);
-    test("abcde", 0, 2, "abcdefghij", 9, -7);
-    test("abcde", 0, 2, "abcdefghij", 10, -8);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, -8);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, -17);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, -18);
-    test("abcde", 0, 4, "", 0, 4);
-    test("abcde", 0, 4, "abcde", 0, 4);
-    test("abcde", 0, 4, "abcde", 1, 3);
-    test("abcde", 0, 4, "abcde", 2, 2);
+void test0() {
+  test("", 0, 0, "", 0, 0);
+  test("", 0, 0, "abcde", 0, 0);
+  test("", 0, 0, "abcde", 1, -1);
+  test("", 0, 0, "abcde", 2, -2);
+  test("", 0, 0, "abcde", 4, -4);
+  test("", 0, 0, "abcde", 5, -5);
+  test("", 0, 0, "abcdefghij", 0, 0);
+  test("", 0, 0, "abcdefghij", 1, -1);
+  test("", 0, 0, "abcdefghij", 5, -5);
+  test("", 0, 0, "abcdefghij", 9, -9);
+  test("", 0, 0, "abcdefghij", 10, -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("", 0, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("", 0, 1, "", 0, 0);
+  test("", 0, 1, "abcde", 0, 0);
+  test("", 0, 1, "abcde", 1, -1);
+  test("", 0, 1, "abcde", 2, -2);
+  test("", 0, 1, "abcde", 4, -4);
+  test("", 0, 1, "abcde", 5, -5);
+  test("", 0, 1, "abcdefghij", 0, 0);
+  test("", 0, 1, "abcdefghij", 1, -1);
+  test("", 0, 1, "abcdefghij", 5, -5);
+  test("", 0, 1, "abcdefghij", 9, -9);
+  test("", 0, 1, "abcdefghij", 10, -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", 19, -19);
+  test("", 0, 1, "abcdefghijklmnopqrst", 20, -20);
+  test("", 1, 0, "", 0, 0);
+  test("", 1, 0, "abcde", 0, 0);
+  test("", 1, 0, "abcde", 1, 0);
+  test("", 1, 0, "abcde", 2, 0);
+  test("", 1, 0, "abcde", 4, 0);
+  test("", 1, 0, "abcde", 5, 0);
+  test("", 1, 0, "abcdefghij", 0, 0);
+  test("", 1, 0, "abcdefghij", 1, 0);
+  test("", 1, 0, "abcdefghij", 5, 0);
+  test("", 1, 0, "abcdefghij", 9, 0);
+  test("", 1, 0, "abcdefghij", 10, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 19, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 20, 0);
+  test("abcde", 0, 0, "", 0, 0);
+  test("abcde", 0, 0, "abcde", 0, 0);
+  test("abcde", 0, 0, "abcde", 1, -1);
+  test("abcde", 0, 0, "abcde", 2, -2);
+  test("abcde", 0, 0, "abcde", 4, -4);
+  test("abcde", 0, 0, "abcde", 5, -5);
+  test("abcde", 0, 0, "abcdefghij", 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 1, -1);
+  test("abcde", 0, 0, "abcdefghij", 5, -5);
+  test("abcde", 0, 0, "abcdefghij", 9, -9);
+  test("abcde", 0, 0, "abcdefghij", 10, -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcde", 0, 1, "", 0, 1);
+  test("abcde", 0, 1, "abcde", 0, 1);
+  test("abcde", 0, 1, "abcde", 1, 0);
+  test("abcde", 0, 1, "abcde", 2, -1);
+  test("abcde", 0, 1, "abcde", 4, -3);
+  test("abcde", 0, 1, "abcde", 5, -4);
+  test("abcde", 0, 1, "abcdefghij", 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 1, 0);
+  test("abcde", 0, 1, "abcdefghij", 5, -4);
+  test("abcde", 0, 1, "abcdefghij", 9, -8);
+  test("abcde", 0, 1, "abcdefghij", 10, -9);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 0);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, -9);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, -18);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, -19);
+  test("abcde", 0, 2, "", 0, 2);
+  test("abcde", 0, 2, "abcde", 0, 2);
+  test("abcde", 0, 2, "abcde", 1, 1);
+  test("abcde", 0, 2, "abcde", 2, 0);
+  test("abcde", 0, 2, "abcde", 4, -2);
+  test("abcde", 0, 2, "abcde", 5, -3);
+  test("abcde", 0, 2, "abcdefghij", 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 1, 1);
+  test("abcde", 0, 2, "abcdefghij", 5, -3);
+  test("abcde", 0, 2, "abcdefghij", 9, -7);
+  test("abcde", 0, 2, "abcdefghij", 10, -8);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, -8);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, -17);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, -18);
+  test("abcde", 0, 4, "", 0, 4);
+  test("abcde", 0, 4, "abcde", 0, 4);
+  test("abcde", 0, 4, "abcde", 1, 3);
+  test("abcde", 0, 4, "abcde", 2, 2);
 }
 
-
-void test1()
-{
-    test("abcde", 0, 4, "abcde", 4, 0);
-    test("abcde", 0, 4, "abcde", 5, -1);
-    test("abcde", 0, 4, "abcdefghij", 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 1, 3);
-    test("abcde", 0, 4, "abcdefghij", 5, -1);
-    test("abcde", 0, 4, "abcdefghij", 9, -5);
-    test("abcde", 0, 4, "abcdefghij", 10, -6);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 3);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, -6);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, -15);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, -16);
-    test("abcde", 0, 5, "", 0, 5);
-    test("abcde", 0, 5, "abcde", 0, 5);
-    test("abcde", 0, 5, "abcde", 1, 4);
-    test("abcde", 0, 5, "abcde", 2, 3);
-    test("abcde", 0, 5, "abcde", 4, 1);
-    test("abcde", 0, 5, "abcde", 5, 0);
-    test("abcde", 0, 5, "abcdefghij", 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 1, 4);
-    test("abcde", 0, 5, "abcdefghij", 5, 0);
-    test("abcde", 0, 5, "abcdefghij", 9, -4);
-    test("abcde", 0, 5, "abcdefghij", 10, -5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 4);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, -5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, -14);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, -15);
-    test("abcde", 0, 6, "", 0, 5);
-    test("abcde", 0, 6, "abcde", 0, 5);
-    test("abcde", 0, 6, "abcde", 1, 4);
-    test("abcde", 0, 6, "abcde", 2, 3);
-    test("abcde", 0, 6, "abcde", 4, 1);
-    test("abcde", 0, 6, "abcde", 5, 0);
-    test("abcde", 0, 6, "abcdefghij", 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 1, 4);
-    test("abcde", 0, 6, "abcdefghij", 5, 0);
-    test("abcde", 0, 6, "abcdefghij", 9, -4);
-    test("abcde", 0, 6, "abcdefghij", 10, -5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 4);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, -5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, -14);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, -15);
-    test("abcde", 1, 0, "", 0, 0);
-    test("abcde", 1, 0, "abcde", 0, 0);
-    test("abcde", 1, 0, "abcde", 1, -1);
-    test("abcde", 1, 0, "abcde", 2, -2);
-    test("abcde", 1, 0, "abcde", 4, -4);
-    test("abcde", 1, 0, "abcde", 5, -5);
-    test("abcde", 1, 0, "abcdefghij", 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 1, -1);
-    test("abcde", 1, 0, "abcdefghij", 5, -5);
-    test("abcde", 1, 0, "abcdefghij", 9, -9);
-    test("abcde", 1, 0, "abcdefghij", 10, -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcde", 1, 1, "", 0, 1);
-    test("abcde", 1, 1, "abcde", 0, 1);
-    test("abcde", 1, 1, "abcde", 1, 1);
-    test("abcde", 1, 1, "abcde", 2, 1);
-    test("abcde", 1, 1, "abcde", 4, 1);
-    test("abcde", 1, 1, "abcde", 5, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 1, 1);
-    test("abcde", 1, 1, "abcdefghij", 5, 1);
-    test("abcde", 1, 1, "abcdefghij", 9, 1);
-    test("abcde", 1, 1, "abcdefghij", 10, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 1);
-    test("abcde", 1, 2, "", 0, 2);
-    test("abcde", 1, 2, "abcde", 0, 2);
-    test("abcde", 1, 2, "abcde", 1, 1);
-    test("abcde", 1, 2, "abcde", 2, 1);
-    test("abcde", 1, 2, "abcde", 4, 1);
-    test("abcde", 1, 2, "abcde", 5, 1);
-    test("abcde", 1, 2, "abcdefghij", 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 1, 1);
-    test("abcde", 1, 2, "abcdefghij", 5, 1);
-    test("abcde", 1, 2, "abcdefghij", 9, 1);
-    test("abcde", 1, 2, "abcdefghij", 10, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 1);
-    test("abcde", 1, 3, "", 0, 3);
-    test("abcde", 1, 3, "abcde", 0, 3);
-    test("abcde", 1, 3, "abcde", 1, 1);
-    test("abcde", 1, 3, "abcde", 2, 1);
-    test("abcde", 1, 3, "abcde", 4, 1);
-    test("abcde", 1, 3, "abcde", 5, 1);
-    test("abcde", 1, 3, "abcdefghij", 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 1, 1);
+void test1() {
+  test("abcde", 0, 4, "abcde", 4, 0);
+  test("abcde", 0, 4, "abcde", 5, -1);
+  test("abcde", 0, 4, "abcdefghij", 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 1, 3);
+  test("abcde", 0, 4, "abcdefghij", 5, -1);
+  test("abcde", 0, 4, "abcdefghij", 9, -5);
+  test("abcde", 0, 4, "abcdefghij", 10, -6);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 3);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, -6);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, -15);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, -16);
+  test("abcde", 0, 5, "", 0, 5);
+  test("abcde", 0, 5, "abcde", 0, 5);
+  test("abcde", 0, 5, "abcde", 1, 4);
+  test("abcde", 0, 5, "abcde", 2, 3);
+  test("abcde", 0, 5, "abcde", 4, 1);
+  test("abcde", 0, 5, "abcde", 5, 0);
+  test("abcde", 0, 5, "abcdefghij", 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 1, 4);
+  test("abcde", 0, 5, "abcdefghij", 5, 0);
+  test("abcde", 0, 5, "abcdefghij", 9, -4);
+  test("abcde", 0, 5, "abcdefghij", 10, -5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 4);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, -5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, -14);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, -15);
+  test("abcde", 0, 6, "", 0, 5);
+  test("abcde", 0, 6, "abcde", 0, 5);
+  test("abcde", 0, 6, "abcde", 1, 4);
+  test("abcde", 0, 6, "abcde", 2, 3);
+  test("abcde", 0, 6, "abcde", 4, 1);
+  test("abcde", 0, 6, "abcde", 5, 0);
+  test("abcde", 0, 6, "abcdefghij", 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 1, 4);
+  test("abcde", 0, 6, "abcdefghij", 5, 0);
+  test("abcde", 0, 6, "abcdefghij", 9, -4);
+  test("abcde", 0, 6, "abcdefghij", 10, -5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 4);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, -5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, -14);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, -15);
+  test("abcde", 1, 0, "", 0, 0);
+  test("abcde", 1, 0, "abcde", 0, 0);
+  test("abcde", 1, 0, "abcde", 1, -1);
+  test("abcde", 1, 0, "abcde", 2, -2);
+  test("abcde", 1, 0, "abcde", 4, -4);
+  test("abcde", 1, 0, "abcde", 5, -5);
+  test("abcde", 1, 0, "abcdefghij", 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 1, -1);
+  test("abcde", 1, 0, "abcdefghij", 5, -5);
+  test("abcde", 1, 0, "abcdefghij", 9, -9);
+  test("abcde", 1, 0, "abcdefghij", 10, -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcde", 1, 1, "", 0, 1);
+  test("abcde", 1, 1, "abcde", 0, 1);
+  test("abcde", 1, 1, "abcde", 1, 1);
+  test("abcde", 1, 1, "abcde", 2, 1);
+  test("abcde", 1, 1, "abcde", 4, 1);
+  test("abcde", 1, 1, "abcde", 5, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 1, 1);
+  test("abcde", 1, 1, "abcdefghij", 5, 1);
+  test("abcde", 1, 1, "abcdefghij", 9, 1);
+  test("abcde", 1, 1, "abcdefghij", 10, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 1);
+  test("abcde", 1, 2, "", 0, 2);
+  test("abcde", 1, 2, "abcde", 0, 2);
+  test("abcde", 1, 2, "abcde", 1, 1);
+  test("abcde", 1, 2, "abcde", 2, 1);
+  test("abcde", 1, 2, "abcde", 4, 1);
+  test("abcde", 1, 2, "abcde", 5, 1);
+  test("abcde", 1, 2, "abcdefghij", 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 1, 1);
+  test("abcde", 1, 2, "abcdefghij", 5, 1);
+  test("abcde", 1, 2, "abcdefghij", 9, 1);
+  test("abcde", 1, 2, "abcdefghij", 10, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 1);
+  test("abcde", 1, 3, "", 0, 3);
+  test("abcde", 1, 3, "abcde", 0, 3);
+  test("abcde", 1, 3, "abcde", 1, 1);
+  test("abcde", 1, 3, "abcde", 2, 1);
+  test("abcde", 1, 3, "abcde", 4, 1);
+  test("abcde", 1, 3, "abcde", 5, 1);
+  test("abcde", 1, 3, "abcdefghij", 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 1, 1);
 }
 
-
-void test2()
-{
-    test("abcde", 1, 3, "abcdefghij", 5, 1);
-    test("abcde", 1, 3, "abcdefghij", 9, 1);
-    test("abcde", 1, 3, "abcdefghij", 10, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 1);
-    test("abcde", 1, 4, "", 0, 4);
-    test("abcde", 1, 4, "abcde", 0, 4);
-    test("abcde", 1, 4, "abcde", 1, 1);
-    test("abcde", 1, 4, "abcde", 2, 1);
-    test("abcde", 1, 4, "abcde", 4, 1);
-    test("abcde", 1, 4, "abcde", 5, 1);
-    test("abcde", 1, 4, "abcdefghij", 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 1, 1);
-    test("abcde", 1, 4, "abcdefghij", 5, 1);
-    test("abcde", 1, 4, "abcdefghij", 9, 1);
-    test("abcde", 1, 4, "abcdefghij", 10, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 1);
-    test("abcde", 1, 5, "", 0, 4);
-    test("abcde", 1, 5, "abcde", 0, 4);
-    test("abcde", 1, 5, "abcde", 1, 1);
-    test("abcde", 1, 5, "abcde", 2, 1);
-    test("abcde", 1, 5, "abcde", 4, 1);
-    test("abcde", 1, 5, "abcde", 5, 1);
-    test("abcde", 1, 5, "abcdefghij", 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 1, 1);
-    test("abcde", 1, 5, "abcdefghij", 5, 1);
-    test("abcde", 1, 5, "abcdefghij", 9, 1);
-    test("abcde", 1, 5, "abcdefghij", 10, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 1);
-    test("abcde", 2, 0, "", 0, 0);
-    test("abcde", 2, 0, "abcde", 0, 0);
-    test("abcde", 2, 0, "abcde", 1, -1);
-    test("abcde", 2, 0, "abcde", 2, -2);
-    test("abcde", 2, 0, "abcde", 4, -4);
-    test("abcde", 2, 0, "abcde", 5, -5);
-    test("abcde", 2, 0, "abcdefghij", 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 1, -1);
-    test("abcde", 2, 0, "abcdefghij", 5, -5);
-    test("abcde", 2, 0, "abcdefghij", 9, -9);
-    test("abcde", 2, 0, "abcdefghij", 10, -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcde", 2, 1, "", 0, 1);
-    test("abcde", 2, 1, "abcde", 0, 1);
-    test("abcde", 2, 1, "abcde", 1, 2);
-    test("abcde", 2, 1, "abcde", 2, 2);
-    test("abcde", 2, 1, "abcde", 4, 2);
-    test("abcde", 2, 1, "abcde", 5, 2);
-    test("abcde", 2, 1, "abcdefghij", 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 2);
-    test("abcde", 2, 1, "abcdefghij", 5, 2);
-    test("abcde", 2, 1, "abcdefghij", 9, 2);
-    test("abcde", 2, 1, "abcdefghij", 10, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 2);
-    test("abcde", 2, 2, "", 0, 2);
-    test("abcde", 2, 2, "abcde", 0, 2);
-    test("abcde", 2, 2, "abcde", 1, 2);
-    test("abcde", 2, 2, "abcde", 2, 2);
-    test("abcde", 2, 2, "abcde", 4, 2);
-    test("abcde", 2, 2, "abcde", 5, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 1, 2);
-    test("abcde", 2, 2, "abcdefghij", 5, 2);
-    test("abcde", 2, 2, "abcdefghij", 9, 2);
-    test("abcde", 2, 2, "abcdefghij", 10, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 2);
-    test("abcde", 2, 3, "", 0, 3);
-    test("abcde", 2, 3, "abcde", 0, 3);
-    test("abcde", 2, 3, "abcde", 1, 2);
-    test("abcde", 2, 3, "abcde", 2, 2);
-    test("abcde", 2, 3, "abcde", 4, 2);
-    test("abcde", 2, 3, "abcde", 5, 2);
-    test("abcde", 2, 3, "abcdefghij", 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 1, 2);
-    test("abcde", 2, 3, "abcdefghij", 5, 2);
-    test("abcde", 2, 3, "abcdefghij", 9, 2);
-    test("abcde", 2, 3, "abcdefghij", 10, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 3);
+void test2() {
+  test("abcde", 1, 3, "abcdefghij", 5, 1);
+  test("abcde", 1, 3, "abcdefghij", 9, 1);
+  test("abcde", 1, 3, "abcdefghij", 10, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 1);
+  test("abcde", 1, 4, "", 0, 4);
+  test("abcde", 1, 4, "abcde", 0, 4);
+  test("abcde", 1, 4, "abcde", 1, 1);
+  test("abcde", 1, 4, "abcde", 2, 1);
+  test("abcde", 1, 4, "abcde", 4, 1);
+  test("abcde", 1, 4, "abcde", 5, 1);
+  test("abcde", 1, 4, "abcdefghij", 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 1, 1);
+  test("abcde", 1, 4, "abcdefghij", 5, 1);
+  test("abcde", 1, 4, "abcdefghij", 9, 1);
+  test("abcde", 1, 4, "abcdefghij", 10, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 1);
+  test("abcde", 1, 5, "", 0, 4);
+  test("abcde", 1, 5, "abcde", 0, 4);
+  test("abcde", 1, 5, "abcde", 1, 1);
+  test("abcde", 1, 5, "abcde", 2, 1);
+  test("abcde", 1, 5, "abcde", 4, 1);
+  test("abcde", 1, 5, "abcde", 5, 1);
+  test("abcde", 1, 5, "abcdefghij", 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 1, 1);
+  test("abcde", 1, 5, "abcdefghij", 5, 1);
+  test("abcde", 1, 5, "abcdefghij", 9, 1);
+  test("abcde", 1, 5, "abcdefghij", 10, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 1);
+  test("abcde", 2, 0, "", 0, 0);
+  test("abcde", 2, 0, "abcde", 0, 0);
+  test("abcde", 2, 0, "abcde", 1, -1);
+  test("abcde", 2, 0, "abcde", 2, -2);
+  test("abcde", 2, 0, "abcde", 4, -4);
+  test("abcde", 2, 0, "abcde", 5, -5);
+  test("abcde", 2, 0, "abcdefghij", 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 1, -1);
+  test("abcde", 2, 0, "abcdefghij", 5, -5);
+  test("abcde", 2, 0, "abcdefghij", 9, -9);
+  test("abcde", 2, 0, "abcdefghij", 10, -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcde", 2, 1, "", 0, 1);
+  test("abcde", 2, 1, "abcde", 0, 1);
+  test("abcde", 2, 1, "abcde", 1, 2);
+  test("abcde", 2, 1, "abcde", 2, 2);
+  test("abcde", 2, 1, "abcde", 4, 2);
+  test("abcde", 2, 1, "abcde", 5, 2);
+  test("abcde", 2, 1, "abcdefghij", 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 2);
+  test("abcde", 2, 1, "abcdefghij", 5, 2);
+  test("abcde", 2, 1, "abcdefghij", 9, 2);
+  test("abcde", 2, 1, "abcdefghij", 10, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 2);
+  test("abcde", 2, 2, "", 0, 2);
+  test("abcde", 2, 2, "abcde", 0, 2);
+  test("abcde", 2, 2, "abcde", 1, 2);
+  test("abcde", 2, 2, "abcde", 2, 2);
+  test("abcde", 2, 2, "abcde", 4, 2);
+  test("abcde", 2, 2, "abcde", 5, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 1, 2);
+  test("abcde", 2, 2, "abcdefghij", 5, 2);
+  test("abcde", 2, 2, "abcdefghij", 9, 2);
+  test("abcde", 2, 2, "abcdefghij", 10, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 2);
+  test("abcde", 2, 3, "", 0, 3);
+  test("abcde", 2, 3, "abcde", 0, 3);
+  test("abcde", 2, 3, "abcde", 1, 2);
+  test("abcde", 2, 3, "abcde", 2, 2);
+  test("abcde", 2, 3, "abcde", 4, 2);
+  test("abcde", 2, 3, "abcde", 5, 2);
+  test("abcde", 2, 3, "abcdefghij", 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 1, 2);
+  test("abcde", 2, 3, "abcdefghij", 5, 2);
+  test("abcde", 2, 3, "abcdefghij", 9, 2);
+  test("abcde", 2, 3, "abcdefghij", 10, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 3);
 }
 
-
-void test3()
-{
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 2);
-    test("abcde", 2, 4, "", 0, 3);
-    test("abcde", 2, 4, "abcde", 0, 3);
-    test("abcde", 2, 4, "abcde", 1, 2);
-    test("abcde", 2, 4, "abcde", 2, 2);
-    test("abcde", 2, 4, "abcde", 4, 2);
-    test("abcde", 2, 4, "abcde", 5, 2);
-    test("abcde", 2, 4, "abcdefghij", 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 1, 2);
-    test("abcde", 2, 4, "abcdefghij", 5, 2);
-    test("abcde", 2, 4, "abcdefghij", 9, 2);
-    test("abcde", 2, 4, "abcdefghij", 10, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 2);
-    test("abcde", 4, 0, "", 0, 0);
-    test("abcde", 4, 0, "abcde", 0, 0);
-    test("abcde", 4, 0, "abcde", 1, -1);
-    test("abcde", 4, 0, "abcde", 2, -2);
-    test("abcde", 4, 0, "abcde", 4, -4);
-    test("abcde", 4, 0, "abcde", 5, -5);
-    test("abcde", 4, 0, "abcdefghij", 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 1, -1);
-    test("abcde", 4, 0, "abcdefghij", 5, -5);
-    test("abcde", 4, 0, "abcdefghij", 9, -9);
-    test("abcde", 4, 0, "abcdefghij", 10, -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcde", 4, 1, "", 0, 1);
-    test("abcde", 4, 1, "abcde", 0, 1);
-    test("abcde", 4, 1, "abcde", 1, 4);
-    test("abcde", 4, 1, "abcde", 2, 4);
-    test("abcde", 4, 1, "abcde", 4, 4);
-    test("abcde", 4, 1, "abcde", 5, 4);
-    test("abcde", 4, 1, "abcdefghij", 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 1, 4);
-    test("abcde", 4, 1, "abcdefghij", 5, 4);
-    test("abcde", 4, 1, "abcdefghij", 9, 4);
-    test("abcde", 4, 1, "abcdefghij", 10, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 4);
-    test("abcde", 4, 2, "", 0, 1);
-    test("abcde", 4, 2, "abcde", 0, 1);
-    test("abcde", 4, 2, "abcde", 1, 4);
-    test("abcde", 4, 2, "abcde", 2, 4);
-    test("abcde", 4, 2, "abcde", 4, 4);
-    test("abcde", 4, 2, "abcde", 5, 4);
-    test("abcde", 4, 2, "abcdefghij", 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 1, 4);
-    test("abcde", 4, 2, "abcdefghij", 5, 4);
-    test("abcde", 4, 2, "abcdefghij", 9, 4);
-    test("abcde", 4, 2, "abcdefghij", 10, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 4);
-    test("abcde", 5, 0, "", 0, 0);
-    test("abcde", 5, 0, "abcde", 0, 0);
-    test("abcde", 5, 0, "abcde", 1, -1);
-    test("abcde", 5, 0, "abcde", 2, -2);
-    test("abcde", 5, 0, "abcde", 4, -4);
-    test("abcde", 5, 0, "abcde", 5, -5);
-    test("abcde", 5, 0, "abcdefghij", 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 1, -1);
-    test("abcde", 5, 0, "abcdefghij", 5, -5);
-    test("abcde", 5, 0, "abcdefghij", 9, -9);
-    test("abcde", 5, 0, "abcdefghij", 10, -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcde", 5, 1, "", 0, 0);
-    test("abcde", 5, 1, "abcde", 0, 0);
-    test("abcde", 5, 1, "abcde", 1, -1);
-    test("abcde", 5, 1, "abcde", 2, -2);
-    test("abcde", 5, 1, "abcde", 4, -4);
-    test("abcde", 5, 1, "abcde", 5, -5);
-    test("abcde", 5, 1, "abcdefghij", 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 1, -1);
-    test("abcde", 5, 1, "abcdefghij", 5, -5);
-    test("abcde", 5, 1, "abcdefghij", 9, -9);
-    test("abcde", 5, 1, "abcdefghij", 10, -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, -19);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, -20);
+void test3() {
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 2);
+  test("abcde", 2, 4, "", 0, 3);
+  test("abcde", 2, 4, "abcde", 0, 3);
+  test("abcde", 2, 4, "abcde", 1, 2);
+  test("abcde", 2, 4, "abcde", 2, 2);
+  test("abcde", 2, 4, "abcde", 4, 2);
+  test("abcde", 2, 4, "abcde", 5, 2);
+  test("abcde", 2, 4, "abcdefghij", 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 1, 2);
+  test("abcde", 2, 4, "abcdefghij", 5, 2);
+  test("abcde", 2, 4, "abcdefghij", 9, 2);
+  test("abcde", 2, 4, "abcdefghij", 10, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 2);
+  test("abcde", 4, 0, "", 0, 0);
+  test("abcde", 4, 0, "abcde", 0, 0);
+  test("abcde", 4, 0, "abcde", 1, -1);
+  test("abcde", 4, 0, "abcde", 2, -2);
+  test("abcde", 4, 0, "abcde", 4, -4);
+  test("abcde", 4, 0, "abcde", 5, -5);
+  test("abcde", 4, 0, "abcdefghij", 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 1, -1);
+  test("abcde", 4, 0, "abcdefghij", 5, -5);
+  test("abcde", 4, 0, "abcdefghij", 9, -9);
+  test("abcde", 4, 0, "abcdefghij", 10, -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcde", 4, 1, "", 0, 1);
+  test("abcde", 4, 1, "abcde", 0, 1);
+  test("abcde", 4, 1, "abcde", 1, 4);
+  test("abcde", 4, 1, "abcde", 2, 4);
+  test("abcde", 4, 1, "abcde", 4, 4);
+  test("abcde", 4, 1, "abcde", 5, 4);
+  test("abcde", 4, 1, "abcdefghij", 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 1, 4);
+  test("abcde", 4, 1, "abcdefghij", 5, 4);
+  test("abcde", 4, 1, "abcdefghij", 9, 4);
+  test("abcde", 4, 1, "abcdefghij", 10, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 4);
+  test("abcde", 4, 2, "", 0, 1);
+  test("abcde", 4, 2, "abcde", 0, 1);
+  test("abcde", 4, 2, "abcde", 1, 4);
+  test("abcde", 4, 2, "abcde", 2, 4);
+  test("abcde", 4, 2, "abcde", 4, 4);
+  test("abcde", 4, 2, "abcde", 5, 4);
+  test("abcde", 4, 2, "abcdefghij", 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 1, 4);
+  test("abcde", 4, 2, "abcdefghij", 5, 4);
+  test("abcde", 4, 2, "abcdefghij", 9, 4);
+  test("abcde", 4, 2, "abcdefghij", 10, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 4);
+  test("abcde", 5, 0, "", 0, 0);
+  test("abcde", 5, 0, "abcde", 0, 0);
+  test("abcde", 5, 0, "abcde", 1, -1);
+  test("abcde", 5, 0, "abcde", 2, -2);
+  test("abcde", 5, 0, "abcde", 4, -4);
+  test("abcde", 5, 0, "abcde", 5, -5);
+  test("abcde", 5, 0, "abcdefghij", 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 1, -1);
+  test("abcde", 5, 0, "abcdefghij", 5, -5);
+  test("abcde", 5, 0, "abcdefghij", 9, -9);
+  test("abcde", 5, 0, "abcdefghij", 10, -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcde", 5, 1, "", 0, 0);
+  test("abcde", 5, 1, "abcde", 0, 0);
+  test("abcde", 5, 1, "abcde", 1, -1);
+  test("abcde", 5, 1, "abcde", 2, -2);
+  test("abcde", 5, 1, "abcde", 4, -4);
+  test("abcde", 5, 1, "abcde", 5, -5);
+  test("abcde", 5, 1, "abcdefghij", 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 1, -1);
+  test("abcde", 5, 1, "abcdefghij", 5, -5);
+  test("abcde", 5, 1, "abcdefghij", 9, -9);
+  test("abcde", 5, 1, "abcdefghij", 10, -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, -19);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, -20);
 }
 
-
-void test4()
-{
-    test("abcde", 6, 0, "", 0, 0);
-    test("abcde", 6, 0, "abcde", 0, 0);
-    test("abcde", 6, 0, "abcde", 1, 0);
-    test("abcde", 6, 0, "abcde", 2, 0);
-    test("abcde", 6, 0, "abcde", 4, 0);
-    test("abcde", 6, 0, "abcde", 5, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 0);
-    test("abcde", 6, 0, "abcdefghij", 9, 0);
-    test("abcde", 6, 0, "abcdefghij", 10, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 0);
-    test("abcdefghij", 0, 0, "", 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 1, -1);
-    test("abcdefghij", 0, 0, "abcde", 2, -2);
-    test("abcdefghij", 0, 0, "abcde", 4, -4);
-    test("abcdefghij", 0, 0, "abcde", 5, -5);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, -5);
-    test("abcdefghij", 0, 0, "abcdefghij", 9, -9);
-    test("abcdefghij", 0, 0, "abcdefghij", 10, -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 0, 1, "", 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 1, 0);
-    test("abcdefghij", 0, 1, "abcde", 2, -1);
-    test("abcdefghij", 0, 1, "abcde", 4, -3);
-    test("abcdefghij", 0, 1, "abcde", 5, -4);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 0);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, -4);
-    test("abcdefghij", 0, 1, "abcdefghij", 9, -8);
-    test("abcdefghij", 0, 1, "abcdefghij", 10, -9);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 0);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, -9);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, -18);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, -19);
-    test("abcdefghij", 0, 5, "", 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 1, 4);
-    test("abcdefghij", 0, 5, "abcde", 2, 3);
-    test("abcdefghij", 0, 5, "abcde", 4, 1);
-    test("abcdefghij", 0, 5, "abcde", 5, 0);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 4);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 0);
-    test("abcdefghij", 0, 5, "abcdefghij", 9, -4);
-    test("abcdefghij", 0, 5, "abcdefghij", 10, -5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 4);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, -5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, -14);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, -15);
-    test("abcdefghij", 0, 9, "", 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 1, 8);
-    test("abcdefghij", 0, 9, "abcde", 2, 7);
-    test("abcdefghij", 0, 9, "abcde", 4, 5);
-    test("abcdefghij", 0, 9, "abcde", 5, 4);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 8);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 4);
-    test("abcdefghij", 0, 9, "abcdefghij", 9, 0);
-    test("abcdefghij", 0, 9, "abcdefghij", 10, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 8);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, -11);
-    test("abcdefghij", 0, 10, "", 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 1, 9);
-    test("abcdefghij", 0, 10, "abcde", 2, 8);
-    test("abcdefghij", 0, 10, "abcde", 4, 6);
-    test("abcdefghij", 0, 10, "abcde", 5, 5);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 9);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 5);
-    test("abcdefghij", 0, 10, "abcdefghij", 9, 1);
-    test("abcdefghij", 0, 10, "abcdefghij", 10, 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 9);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, -9);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, -10);
-    test("abcdefghij", 0, 11, "", 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 1, 9);
-    test("abcdefghij", 0, 11, "abcde", 2, 8);
+void test4() {
+  test("abcde", 6, 0, "", 0, 0);
+  test("abcde", 6, 0, "abcde", 0, 0);
+  test("abcde", 6, 0, "abcde", 1, 0);
+  test("abcde", 6, 0, "abcde", 2, 0);
+  test("abcde", 6, 0, "abcde", 4, 0);
+  test("abcde", 6, 0, "abcde", 5, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 0);
+  test("abcde", 6, 0, "abcdefghij", 9, 0);
+  test("abcde", 6, 0, "abcdefghij", 10, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 0);
+  test("abcdefghij", 0, 0, "", 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 1, -1);
+  test("abcdefghij", 0, 0, "abcde", 2, -2);
+  test("abcdefghij", 0, 0, "abcde", 4, -4);
+  test("abcdefghij", 0, 0, "abcde", 5, -5);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, -5);
+  test("abcdefghij", 0, 0, "abcdefghij", 9, -9);
+  test("abcdefghij", 0, 0, "abcdefghij", 10, -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 0, 1, "", 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 1, 0);
+  test("abcdefghij", 0, 1, "abcde", 2, -1);
+  test("abcdefghij", 0, 1, "abcde", 4, -3);
+  test("abcdefghij", 0, 1, "abcde", 5, -4);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 0);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, -4);
+  test("abcdefghij", 0, 1, "abcdefghij", 9, -8);
+  test("abcdefghij", 0, 1, "abcdefghij", 10, -9);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 0);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, -9);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, -18);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, -19);
+  test("abcdefghij", 0, 5, "", 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 1, 4);
+  test("abcdefghij", 0, 5, "abcde", 2, 3);
+  test("abcdefghij", 0, 5, "abcde", 4, 1);
+  test("abcdefghij", 0, 5, "abcde", 5, 0);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 4);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 0);
+  test("abcdefghij", 0, 5, "abcdefghij", 9, -4);
+  test("abcdefghij", 0, 5, "abcdefghij", 10, -5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 4);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, -5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, -14);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, -15);
+  test("abcdefghij", 0, 9, "", 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 1, 8);
+  test("abcdefghij", 0, 9, "abcde", 2, 7);
+  test("abcdefghij", 0, 9, "abcde", 4, 5);
+  test("abcdefghij", 0, 9, "abcde", 5, 4);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 8);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 4);
+  test("abcdefghij", 0, 9, "abcdefghij", 9, 0);
+  test("abcdefghij", 0, 9, "abcdefghij", 10, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 8);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, -11);
+  test("abcdefghij", 0, 10, "", 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 1, 9);
+  test("abcdefghij", 0, 10, "abcde", 2, 8);
+  test("abcdefghij", 0, 10, "abcde", 4, 6);
+  test("abcdefghij", 0, 10, "abcde", 5, 5);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 9);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 5);
+  test("abcdefghij", 0, 10, "abcdefghij", 9, 1);
+  test("abcdefghij", 0, 10, "abcdefghij", 10, 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 9);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, -9);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, -10);
+  test("abcdefghij", 0, 11, "", 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 1, 9);
+  test("abcdefghij", 0, 11, "abcde", 2, 8);
 }
 
-
-void test5()
-{
-    test("abcdefghij", 0, 11, "abcde", 4, 6);
-    test("abcdefghij", 0, 11, "abcde", 5, 5);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 9);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 5);
-    test("abcdefghij", 0, 11, "abcdefghij", 9, 1);
-    test("abcdefghij", 0, 11, "abcdefghij", 10, 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 9);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, -9);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, -10);
-    test("abcdefghij", 1, 0, "", 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 1, -1);
-    test("abcdefghij", 1, 0, "abcde", 2, -2);
-    test("abcdefghij", 1, 0, "abcde", 4, -4);
-    test("abcdefghij", 1, 0, "abcde", 5, -5);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, -5);
-    test("abcdefghij", 1, 0, "abcdefghij", 9, -9);
-    test("abcdefghij", 1, 0, "abcdefghij", 10, -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 1, 1, "", 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 1, 1);
-    test("abcdefghij", 1, 1, "abcde", 2, 1);
-    test("abcdefghij", 1, 1, "abcde", 4, 1);
-    test("abcdefghij", 1, 1, "abcde", 5, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 9, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 10, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghij", 1, 4, "", 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 1, 1);
-    test("abcdefghij", 1, 4, "abcde", 2, 1);
-    test("abcdefghij", 1, 4, "abcde", 4, 1);
-    test("abcdefghij", 1, 4, "abcde", 5, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 9, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 10, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghij", 1, 8, "", 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 1, 1);
-    test("abcdefghij", 1, 8, "abcde", 2, 1);
-    test("abcdefghij", 1, 8, "abcde", 4, 1);
-    test("abcdefghij", 1, 8, "abcde", 5, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 9, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 10, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghij", 1, 9, "", 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 1, 1);
-    test("abcdefghij", 1, 9, "abcde", 2, 1);
-    test("abcdefghij", 1, 9, "abcde", 4, 1);
-    test("abcdefghij", 1, 9, "abcde", 5, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 9, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 10, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghij", 1, 10, "", 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 1, 1);
-    test("abcdefghij", 1, 10, "abcde", 2, 1);
-    test("abcdefghij", 1, 10, "abcde", 4, 1);
-    test("abcdefghij", 1, 10, "abcde", 5, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 1);
+void test5() {
+  test("abcdefghij", 0, 11, "abcde", 4, 6);
+  test("abcdefghij", 0, 11, "abcde", 5, 5);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 9);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 5);
+  test("abcdefghij", 0, 11, "abcdefghij", 9, 1);
+  test("abcdefghij", 0, 11, "abcdefghij", 10, 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 9);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, -9);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, -10);
+  test("abcdefghij", 1, 0, "", 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 1, -1);
+  test("abcdefghij", 1, 0, "abcde", 2, -2);
+  test("abcdefghij", 1, 0, "abcde", 4, -4);
+  test("abcdefghij", 1, 0, "abcde", 5, -5);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, -5);
+  test("abcdefghij", 1, 0, "abcdefghij", 9, -9);
+  test("abcdefghij", 1, 0, "abcdefghij", 10, -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 1, 1, "", 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 1, 1);
+  test("abcdefghij", 1, 1, "abcde", 2, 1);
+  test("abcdefghij", 1, 1, "abcde", 4, 1);
+  test("abcdefghij", 1, 1, "abcde", 5, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 9, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 10, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghij", 1, 4, "", 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 1, 1);
+  test("abcdefghij", 1, 4, "abcde", 2, 1);
+  test("abcdefghij", 1, 4, "abcde", 4, 1);
+  test("abcdefghij", 1, 4, "abcde", 5, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 9, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 10, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghij", 1, 8, "", 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 1, 1);
+  test("abcdefghij", 1, 8, "abcde", 2, 1);
+  test("abcdefghij", 1, 8, "abcde", 4, 1);
+  test("abcdefghij", 1, 8, "abcde", 5, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 9, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 10, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghij", 1, 9, "", 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 1, 1);
+  test("abcdefghij", 1, 9, "abcde", 2, 1);
+  test("abcdefghij", 1, 9, "abcde", 4, 1);
+  test("abcdefghij", 1, 9, "abcde", 5, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 9, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 10, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghij", 1, 10, "", 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 1, 1);
+  test("abcdefghij", 1, 10, "abcde", 2, 1);
+  test("abcdefghij", 1, 10, "abcde", 4, 1);
+  test("abcdefghij", 1, 10, "abcde", 5, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 1);
 }
 
-
-void test6()
-{
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 9, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 10, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghij", 5, 0, "", 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 1, -1);
-    test("abcdefghij", 5, 0, "abcde", 2, -2);
-    test("abcdefghij", 5, 0, "abcde", 4, -4);
-    test("abcdefghij", 5, 0, "abcde", 5, -5);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, -5);
-    test("abcdefghij", 5, 0, "abcdefghij", 9, -9);
-    test("abcdefghij", 5, 0, "abcdefghij", 10, -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 5, 1, "", 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 1, 5);
-    test("abcdefghij", 5, 1, "abcde", 2, 5);
-    test("abcdefghij", 5, 1, "abcde", 4, 5);
-    test("abcdefghij", 5, 1, "abcde", 5, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 9, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 10, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 5);
-    test("abcdefghij", 5, 2, "", 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 1, 5);
-    test("abcdefghij", 5, 2, "abcde", 2, 5);
-    test("abcdefghij", 5, 2, "abcde", 4, 5);
-    test("abcdefghij", 5, 2, "abcde", 5, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 9, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 10, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 5);
-    test("abcdefghij", 5, 4, "", 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 5);
-    test("abcdefghij", 5, 4, "abcde", 2, 5);
-    test("abcdefghij", 5, 4, "abcde", 4, 5);
-    test("abcdefghij", 5, 4, "abcde", 5, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 9, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 10, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 5);
-    test("abcdefghij", 5, 5, "", 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 1, 5);
-    test("abcdefghij", 5, 5, "abcde", 2, 5);
-    test("abcdefghij", 5, 5, "abcde", 4, 5);
-    test("abcdefghij", 5, 5, "abcde", 5, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 9, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 10, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 5);
-    test("abcdefghij", 5, 6, "", 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 1, 5);
-    test("abcdefghij", 5, 6, "abcde", 2, 5);
-    test("abcdefghij", 5, 6, "abcde", 4, 5);
-    test("abcdefghij", 5, 6, "abcde", 5, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 9, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 10, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 5);
+void test6() {
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 9, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 10, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghij", 5, 0, "", 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 1, -1);
+  test("abcdefghij", 5, 0, "abcde", 2, -2);
+  test("abcdefghij", 5, 0, "abcde", 4, -4);
+  test("abcdefghij", 5, 0, "abcde", 5, -5);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, -5);
+  test("abcdefghij", 5, 0, "abcdefghij", 9, -9);
+  test("abcdefghij", 5, 0, "abcdefghij", 10, -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 5, 1, "", 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 1, 5);
+  test("abcdefghij", 5, 1, "abcde", 2, 5);
+  test("abcdefghij", 5, 1, "abcde", 4, 5);
+  test("abcdefghij", 5, 1, "abcde", 5, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 9, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 10, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 5);
+  test("abcdefghij", 5, 2, "", 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 1, 5);
+  test("abcdefghij", 5, 2, "abcde", 2, 5);
+  test("abcdefghij", 5, 2, "abcde", 4, 5);
+  test("abcdefghij", 5, 2, "abcde", 5, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 9, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 10, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 5);
+  test("abcdefghij", 5, 4, "", 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 5);
+  test("abcdefghij", 5, 4, "abcde", 2, 5);
+  test("abcdefghij", 5, 4, "abcde", 4, 5);
+  test("abcdefghij", 5, 4, "abcde", 5, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 9, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 10, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 5);
+  test("abcdefghij", 5, 5, "", 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 1, 5);
+  test("abcdefghij", 5, 5, "abcde", 2, 5);
+  test("abcdefghij", 5, 5, "abcde", 4, 5);
+  test("abcdefghij", 5, 5, "abcde", 5, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 9, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 10, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 5);
+  test("abcdefghij", 5, 6, "", 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 1, 5);
+  test("abcdefghij", 5, 6, "abcde", 2, 5);
+  test("abcdefghij", 5, 6, "abcde", 4, 5);
+  test("abcdefghij", 5, 6, "abcde", 5, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 9, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 10, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 5);
 }
 
-
-void test7()
-{
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 5);
-    test("abcdefghij", 9, 0, "", 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 1, -1);
-    test("abcdefghij", 9, 0, "abcde", 2, -2);
-    test("abcdefghij", 9, 0, "abcde", 4, -4);
-    test("abcdefghij", 9, 0, "abcde", 5, -5);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, -5);
-    test("abcdefghij", 9, 0, "abcdefghij", 9, -9);
-    test("abcdefghij", 9, 0, "abcdefghij", 10, -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 9, 1, "", 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 1, 9);
-    test("abcdefghij", 9, 1, "abcde", 2, 9);
-    test("abcdefghij", 9, 1, "abcde", 4, 9);
-    test("abcdefghij", 9, 1, "abcde", 5, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 9, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 10, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 9);
-    test("abcdefghij", 9, 2, "", 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 1, 9);
-    test("abcdefghij", 9, 2, "abcde", 2, 9);
-    test("abcdefghij", 9, 2, "abcde", 4, 9);
-    test("abcdefghij", 9, 2, "abcde", 5, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 9, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 10, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 9);
-    test("abcdefghij", 10, 0, "", 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 1, -1);
-    test("abcdefghij", 10, 0, "abcde", 2, -2);
-    test("abcdefghij", 10, 0, "abcde", 4, -4);
-    test("abcdefghij", 10, 0, "abcde", 5, -5);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, -5);
-    test("abcdefghij", 10, 0, "abcdefghij", 9, -9);
-    test("abcdefghij", 10, 0, "abcdefghij", 10, -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 10, 1, "", 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 1, -1);
-    test("abcdefghij", 10, 1, "abcde", 2, -2);
-    test("abcdefghij", 10, 1, "abcde", 4, -4);
-    test("abcdefghij", 10, 1, "abcde", 5, -5);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, -5);
-    test("abcdefghij", 10, 1, "abcdefghij", 9, -9);
-    test("abcdefghij", 10, 1, "abcdefghij", 10, -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghij", 11, 0, "", 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 0);
-    test("abcdefghij", 11, 0, "abcde", 4, 0);
-    test("abcdefghij", 11, 0, "abcde", 5, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 9, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 0);
+void test7() {
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 5);
+  test("abcdefghij", 9, 0, "", 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 1, -1);
+  test("abcdefghij", 9, 0, "abcde", 2, -2);
+  test("abcdefghij", 9, 0, "abcde", 4, -4);
+  test("abcdefghij", 9, 0, "abcde", 5, -5);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, -5);
+  test("abcdefghij", 9, 0, "abcdefghij", 9, -9);
+  test("abcdefghij", 9, 0, "abcdefghij", 10, -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 9, 1, "", 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 1, 9);
+  test("abcdefghij", 9, 1, "abcde", 2, 9);
+  test("abcdefghij", 9, 1, "abcde", 4, 9);
+  test("abcdefghij", 9, 1, "abcde", 5, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 9, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 10, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 9);
+  test("abcdefghij", 9, 2, "", 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 1, 9);
+  test("abcdefghij", 9, 2, "abcde", 2, 9);
+  test("abcdefghij", 9, 2, "abcde", 4, 9);
+  test("abcdefghij", 9, 2, "abcde", 5, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 9, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 10, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 9);
+  test("abcdefghij", 10, 0, "", 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 1, -1);
+  test("abcdefghij", 10, 0, "abcde", 2, -2);
+  test("abcdefghij", 10, 0, "abcde", 4, -4);
+  test("abcdefghij", 10, 0, "abcde", 5, -5);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, -5);
+  test("abcdefghij", 10, 0, "abcdefghij", 9, -9);
+  test("abcdefghij", 10, 0, "abcdefghij", 10, -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 10, 1, "", 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 1, -1);
+  test("abcdefghij", 10, 1, "abcde", 2, -2);
+  test("abcdefghij", 10, 1, "abcde", 4, -4);
+  test("abcdefghij", 10, 1, "abcde", 5, -5);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, -5);
+  test("abcdefghij", 10, 1, "abcdefghij", 9, -9);
+  test("abcdefghij", 10, 1, "abcdefghij", 10, -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghij", 11, 0, "", 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 0);
+  test("abcdefghij", 11, 0, "abcde", 4, 0);
+  test("abcdefghij", 11, 0, "abcde", 5, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 9, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 0);
 }
 
-void test8()
-{
-    test("abcdefghijklmnopqrst", 0, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, -2);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 0, 1, "", 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, -3);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, -8);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, -18);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, -19);
-    test("abcdefghijklmnopqrst", 0, 10, "", 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 8);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 6);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, -9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "", 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 17);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 15);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 18);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 16);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 11);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 18);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 16);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 11);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, -2);
+void test8() {
+  test("abcdefghijklmnopqrst", 0, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, -2);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 0, 1, "", 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, -3);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, -8);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, -18);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, -19);
+  test("abcdefghijklmnopqrst", 0, 10, "", 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 8);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 6);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, -9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "", 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 17);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 15);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 18);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 16);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 11);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 18);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 16);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 11);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, -2);
 }
 
-
-void test9()
-{
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 1, 1, "", 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "", 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "", 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 1);
-    test("abcdefghijklmnopqrst", 10, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, -2);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, -1);
+void test9() {
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 1, 1, "", 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "", 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "", 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 1);
+  test("abcdefghijklmnopqrst", 10, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, -2);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, -1);
 }
 
-
-void test10()
-{
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 10, 1, "", 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "", 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "", 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 10);
-    test("abcdefghijklmnopqrst", 19, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, -2);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 0);
+void test10() {
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 10, 1, "", 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "", 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "", 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 10);
+  test("abcdefghijklmnopqrst", 19, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, -2);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 0);
 }
 
-
-void test11()
-{
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 19, 1, "", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 19);
-    test("abcdefghijklmnopqrst", 20, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, -2);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 20, 1, "", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, -2);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, -19);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, -20);
-    test("abcdefghijklmnopqrst", 21, 0, "", 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 0);
-    }
-
+void test11() {
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 19, 1, "", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 19);
+  test("abcdefghijklmnopqrst", 20, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, -2);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 20, 1, "", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, -2);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, -19);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, -20);
+  test("abcdefghijklmnopqrst", 21, 0, "", 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 0);
+}
 
 int main(int, char**) {
-    test0();
-    test1();
-    test2();
-    test3();
-    test4();
-    test5();
-    test6();
-    test7();
-    test8();
-    test9();
-    test10();
-    test11();
+  test0();
+  test1();
+  test2();
+  test3();
+  test4();
+  test5();
+  test6();
+  test7();
+  test8();
+  test9();
+  test10();
+  test11();
 
-    {
+  {
     test("", 0, 0, "abcde", 0, 0);
     test("", 0, 0, "abcde", 1, -1);
     test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0);
     test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0);
     test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, -10);
-    }
+  }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
+  {
     test(L"", 0, 0, L"abcde", 0, 0);
     test(L"", 0, 0, L"abcde", 1, -1);
     test(L"abcdefghijklmnopqrst", 21, 0, L"abcde", 0, 0);
     test(L"abcdefghijklmnopqrst", 21, 0, L"abcde", 1, 0);
     test(L"abcdefghijklmnopqrst", 10, 0, L"abcdefghij", 10, -10);
-    }
+  }
 #endif
 
 #if TEST_STD_VER >= 11
-    {
+  {
     test(U"", 0, 0, U"abcde", 0, 0);
     test(U"", 0, 0, U"abcde", 1, -1);
     test(U"abcdefghijklmnopqrst", 21, 0, U"abcde", 0, 0);
     test(U"abcdefghijklmnopqrst", 21, 0, U"abcde", 1, 0);
     test(U"abcdefghijklmnopqrst", 10, 0, U"abcdefghij", 10, -10);
-    }
+  }
 
-    {
+  {
     test(U"", 0, 0, U"abcde", 0, 0);
     test(U"", 0, 0, U"abcde", 1, -1);
     test(U"abcdefghijklmnopqrst", 21, 0, U"abcde", 0, 0);
     test(U"abcdefghijklmnopqrst", 21, 0, U"abcde", 1, 0);
     test(U"abcdefghijklmnopqrst", 10, 0, U"abcdefghij", 10, -10);
-    }
+  }
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1;
-    constexpr SV  sv2 { "abcdefghijklmnopqrst", 21 };
-    static_assert ( sv1.compare(0, 0, "abcde", 0) == 0, "" );
-    static_assert ( sv1.compare(0, 0, "abcde", 1) < 0, "" );
-    static_assert ( sv2.compare(0, 0, "abcde", 1, 0) == 0, "" );
-    }
+    constexpr SV sv1;
+    constexpr SV sv2{"abcdefghijklmnopqrst", 21};
+    static_assert(sv1.compare(0, 0, "abcde", 0) == 0, "");
+    static_assert(sv1.compare(0, 0, "abcde", 1) < 0, "");
+    static_assert(sv2.compare(0, 0, "abcde", 1, 0) == 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_size_size.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_size_size.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_size_size.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv_size_size.pass.cpp
@@ -20,5833 +20,5776 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1, size_t pos1, size_t n1,
-             std::basic_string_view<CharT> sv2, size_t pos2, size_t n2,
-             int expected ) {
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1,
+           size_t pos1,
+           size_t n1,
+           std::basic_string_view<CharT> sv2,
+           size_t pos2,
+           size_t n2,
+           int expected) {
 #ifdef TEST_HAS_NO_EXCEPTIONS
-    if (pos1 <= sv1.size() && pos2 <= sv2.size())
-        assert (sign( sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
+  if (pos1 <= sv1.size() && pos2 <= sv2.size())
+    assert(sign(sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
 #else
-    try {
-        assert (sign( sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
-        assert(pos1 <= sv1.size() && pos2 <= sv2.size());
-        }
-    catch (const std::out_of_range&) {
-        assert(pos1 > sv1.size() || pos2 > sv2.size());
-        }
+  try {
+    assert(sign(sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
+    assert(pos1 <= sv1.size() && pos2 <= sv2.size());
+  } catch (const std::out_of_range&) {
+    assert(pos1 > sv1.size() || pos2 > sv2.size());
+  }
 #endif
 }
 
+template <typename CharT>
+void test(const CharT* s1, size_t pos1, size_t n1, const CharT* s2, size_t pos2, size_t n2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
 
-template<typename CharT>
-void test ( const CharT *s1, size_t pos1, size_t n1,
-            const CharT *s2, size_t pos2, size_t n2,
-            int expected ) {
-    typedef std::basic_string_view<CharT> string_view_t;
-
-    string_view_t sv1 ( s1 );
-    string_view_t sv2 ( s2 );
-    test1(sv1, pos1, n1, sv2, pos2, n2, expected);
+  string_view_t sv1(s1);
+  string_view_t sv2(s2);
+  test1(sv1, pos1, n1, sv2, pos2, n2, expected);
 }
 
-void test0()
-{
-    test("", 0, 0, "", 0, 0, 0);
-    test("", 0, 0, "", 0, 1, 0);
-    test("", 0, 0, "", 1, 0, 0);
-    test("", 0, 0, "abcde", 0, 0, 0);
-    test("", 0, 0, "abcde", 0, 1, -1);
-    test("", 0, 0, "abcde", 0, 2, -2);
-    test("", 0, 0, "abcde", 0, 4, -4);
-    test("", 0, 0, "abcde", 0, 5, -5);
-    test("", 0, 0, "abcde", 0, 6, -5);
-    test("", 0, 0, "abcde", 1, 0, 0);
-    test("", 0, 0, "abcde", 1, 1, -1);
-    test("", 0, 0, "abcde", 1, 2, -2);
-    test("", 0, 0, "abcde", 1, 3, -3);
-    test("", 0, 0, "abcde", 1, 4, -4);
-    test("", 0, 0, "abcde", 1, 5, -4);
-    test("", 0, 0, "abcde", 2, 0, 0);
-    test("", 0, 0, "abcde", 2, 1, -1);
-    test("", 0, 0, "abcde", 2, 2, -2);
-    test("", 0, 0, "abcde", 2, 3, -3);
-    test("", 0, 0, "abcde", 2, 4, -3);
-    test("", 0, 0, "abcde", 4, 0, 0);
-    test("", 0, 0, "abcde", 4, 1, -1);
-    test("", 0, 0, "abcde", 4, 2, -1);
-    test("", 0, 0, "abcde", 5, 0, 0);
-    test("", 0, 0, "abcde", 5, 1, 0);
-    test("", 0, 0, "abcde", 6, 0, 0);
-    test("", 0, 0, "abcdefghij", 0, 0, 0);
-    test("", 0, 0, "abcdefghij", 0, 1, -1);
-    test("", 0, 0, "abcdefghij", 0, 5, -5);
-    test("", 0, 0, "abcdefghij", 0, 9, -9);
-    test("", 0, 0, "abcdefghij", 0, 10, -10);
-    test("", 0, 0, "abcdefghij", 0, 11, -10);
-    test("", 0, 0, "abcdefghij", 1, 0, 0);
-    test("", 0, 0, "abcdefghij", 1, 1, -1);
-    test("", 0, 0, "abcdefghij", 1, 4, -4);
-    test("", 0, 0, "abcdefghij", 1, 8, -8);
-    test("", 0, 0, "abcdefghij", 1, 9, -9);
-    test("", 0, 0, "abcdefghij", 1, 10, -9);
-    test("", 0, 0, "abcdefghij", 5, 0, 0);
-    test("", 0, 0, "abcdefghij", 5, 1, -1);
-    test("", 0, 0, "abcdefghij", 5, 2, -2);
-    test("", 0, 0, "abcdefghij", 5, 4, -4);
-    test("", 0, 0, "abcdefghij", 5, 5, -5);
-    test("", 0, 0, "abcdefghij", 5, 6, -5);
-    test("", 0, 0, "abcdefghij", 9, 0, 0);
-    test("", 0, 0, "abcdefghij", 9, 1, -1);
-    test("", 0, 0, "abcdefghij", 9, 2, -1);
-    test("", 0, 0, "abcdefghij", 10, 0, 0);
-    test("", 0, 0, "abcdefghij", 10, 1, 0);
-    test("", 0, 0, "abcdefghij", 11, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("", 0, 1, "", 0, 0, 0);
-    test("", 0, 1, "", 0, 1, 0);
-    test("", 0, 1, "", 1, 0, 0);
-    test("", 0, 1, "abcde", 0, 0, 0);
-    test("", 0, 1, "abcde", 0, 1, -1);
-    test("", 0, 1, "abcde", 0, 2, -2);
-    test("", 0, 1, "abcde", 0, 4, -4);
-    test("", 0, 1, "abcde", 0, 5, -5);
-    test("", 0, 1, "abcde", 0, 6, -5);
-    test("", 0, 1, "abcde", 1, 0, 0);
-    test("", 0, 1, "abcde", 1, 1, -1);
-    test("", 0, 1, "abcde", 1, 2, -2);
-    test("", 0, 1, "abcde", 1, 3, -3);
-    test("", 0, 1, "abcde", 1, 4, -4);
-    test("", 0, 1, "abcde", 1, 5, -4);
-    test("", 0, 1, "abcde", 2, 0, 0);
-    test("", 0, 1, "abcde", 2, 1, -1);
-    test("", 0, 1, "abcde", 2, 2, -2);
-    test("", 0, 1, "abcde", 2, 3, -3);
-    test("", 0, 1, "abcde", 2, 4, -3);
-    test("", 0, 1, "abcde", 4, 0, 0);
-    test("", 0, 1, "abcde", 4, 1, -1);
-    test("", 0, 1, "abcde", 4, 2, -1);
-    test("", 0, 1, "abcde", 5, 0, 0);
-    test("", 0, 1, "abcde", 5, 1, 0);
-    test("", 0, 1, "abcde", 6, 0, 0);
+void test0() {
+  test("", 0, 0, "", 0, 0, 0);
+  test("", 0, 0, "", 0, 1, 0);
+  test("", 0, 0, "", 1, 0, 0);
+  test("", 0, 0, "abcde", 0, 0, 0);
+  test("", 0, 0, "abcde", 0, 1, -1);
+  test("", 0, 0, "abcde", 0, 2, -2);
+  test("", 0, 0, "abcde", 0, 4, -4);
+  test("", 0, 0, "abcde", 0, 5, -5);
+  test("", 0, 0, "abcde", 0, 6, -5);
+  test("", 0, 0, "abcde", 1, 0, 0);
+  test("", 0, 0, "abcde", 1, 1, -1);
+  test("", 0, 0, "abcde", 1, 2, -2);
+  test("", 0, 0, "abcde", 1, 3, -3);
+  test("", 0, 0, "abcde", 1, 4, -4);
+  test("", 0, 0, "abcde", 1, 5, -4);
+  test("", 0, 0, "abcde", 2, 0, 0);
+  test("", 0, 0, "abcde", 2, 1, -1);
+  test("", 0, 0, "abcde", 2, 2, -2);
+  test("", 0, 0, "abcde", 2, 3, -3);
+  test("", 0, 0, "abcde", 2, 4, -3);
+  test("", 0, 0, "abcde", 4, 0, 0);
+  test("", 0, 0, "abcde", 4, 1, -1);
+  test("", 0, 0, "abcde", 4, 2, -1);
+  test("", 0, 0, "abcde", 5, 0, 0);
+  test("", 0, 0, "abcde", 5, 1, 0);
+  test("", 0, 0, "abcde", 6, 0, 0);
+  test("", 0, 0, "abcdefghij", 0, 0, 0);
+  test("", 0, 0, "abcdefghij", 0, 1, -1);
+  test("", 0, 0, "abcdefghij", 0, 5, -5);
+  test("", 0, 0, "abcdefghij", 0, 9, -9);
+  test("", 0, 0, "abcdefghij", 0, 10, -10);
+  test("", 0, 0, "abcdefghij", 0, 11, -10);
+  test("", 0, 0, "abcdefghij", 1, 0, 0);
+  test("", 0, 0, "abcdefghij", 1, 1, -1);
+  test("", 0, 0, "abcdefghij", 1, 4, -4);
+  test("", 0, 0, "abcdefghij", 1, 8, -8);
+  test("", 0, 0, "abcdefghij", 1, 9, -9);
+  test("", 0, 0, "abcdefghij", 1, 10, -9);
+  test("", 0, 0, "abcdefghij", 5, 0, 0);
+  test("", 0, 0, "abcdefghij", 5, 1, -1);
+  test("", 0, 0, "abcdefghij", 5, 2, -2);
+  test("", 0, 0, "abcdefghij", 5, 4, -4);
+  test("", 0, 0, "abcdefghij", 5, 5, -5);
+  test("", 0, 0, "abcdefghij", 5, 6, -5);
+  test("", 0, 0, "abcdefghij", 9, 0, 0);
+  test("", 0, 0, "abcdefghij", 9, 1, -1);
+  test("", 0, 0, "abcdefghij", 9, 2, -1);
+  test("", 0, 0, "abcdefghij", 10, 0, 0);
+  test("", 0, 0, "abcdefghij", 10, 1, 0);
+  test("", 0, 0, "abcdefghij", 11, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("", 0, 1, "", 0, 0, 0);
+  test("", 0, 1, "", 0, 1, 0);
+  test("", 0, 1, "", 1, 0, 0);
+  test("", 0, 1, "abcde", 0, 0, 0);
+  test("", 0, 1, "abcde", 0, 1, -1);
+  test("", 0, 1, "abcde", 0, 2, -2);
+  test("", 0, 1, "abcde", 0, 4, -4);
+  test("", 0, 1, "abcde", 0, 5, -5);
+  test("", 0, 1, "abcde", 0, 6, -5);
+  test("", 0, 1, "abcde", 1, 0, 0);
+  test("", 0, 1, "abcde", 1, 1, -1);
+  test("", 0, 1, "abcde", 1, 2, -2);
+  test("", 0, 1, "abcde", 1, 3, -3);
+  test("", 0, 1, "abcde", 1, 4, -4);
+  test("", 0, 1, "abcde", 1, 5, -4);
+  test("", 0, 1, "abcde", 2, 0, 0);
+  test("", 0, 1, "abcde", 2, 1, -1);
+  test("", 0, 1, "abcde", 2, 2, -2);
+  test("", 0, 1, "abcde", 2, 3, -3);
+  test("", 0, 1, "abcde", 2, 4, -3);
+  test("", 0, 1, "abcde", 4, 0, 0);
+  test("", 0, 1, "abcde", 4, 1, -1);
+  test("", 0, 1, "abcde", 4, 2, -1);
+  test("", 0, 1, "abcde", 5, 0, 0);
+  test("", 0, 1, "abcde", 5, 1, 0);
+  test("", 0, 1, "abcde", 6, 0, 0);
 }
 
-void test1()
-{
-    test("", 0, 1, "abcdefghij", 0, 0, 0);
-    test("", 0, 1, "abcdefghij", 0, 1, -1);
-    test("", 0, 1, "abcdefghij", 0, 5, -5);
-    test("", 0, 1, "abcdefghij", 0, 9, -9);
-    test("", 0, 1, "abcdefghij", 0, 10, -10);
-    test("", 0, 1, "abcdefghij", 0, 11, -10);
-    test("", 0, 1, "abcdefghij", 1, 0, 0);
-    test("", 0, 1, "abcdefghij", 1, 1, -1);
-    test("", 0, 1, "abcdefghij", 1, 4, -4);
-    test("", 0, 1, "abcdefghij", 1, 8, -8);
-    test("", 0, 1, "abcdefghij", 1, 9, -9);
-    test("", 0, 1, "abcdefghij", 1, 10, -9);
-    test("", 0, 1, "abcdefghij", 5, 0, 0);
-    test("", 0, 1, "abcdefghij", 5, 1, -1);
-    test("", 0, 1, "abcdefghij", 5, 2, -2);
-    test("", 0, 1, "abcdefghij", 5, 4, -4);
-    test("", 0, 1, "abcdefghij", 5, 5, -5);
-    test("", 0, 1, "abcdefghij", 5, 6, -5);
-    test("", 0, 1, "abcdefghij", 9, 0, 0);
-    test("", 0, 1, "abcdefghij", 9, 1, -1);
-    test("", 0, 1, "abcdefghij", 9, 2, -1);
-    test("", 0, 1, "abcdefghij", 10, 0, 0);
-    test("", 0, 1, "abcdefghij", 10, 1, 0);
-    test("", 0, 1, "abcdefghij", 11, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("", 0, 1, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("", 0, 1, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("", 0, 1, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("", 0, 1, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("", 1, 0, "", 0, 0, 0);
-    test("", 1, 0, "", 0, 1, 0);
-    test("", 1, 0, "", 1, 0, 0);
-    test("", 1, 0, "abcde", 0, 0, 0);
-    test("", 1, 0, "abcde", 0, 1, 0);
-    test("", 1, 0, "abcde", 0, 2, 0);
-    test("", 1, 0, "abcde", 0, 4, 0);
-    test("", 1, 0, "abcde", 0, 5, 0);
-    test("", 1, 0, "abcde", 0, 6, 0);
-    test("", 1, 0, "abcde", 1, 0, 0);
-    test("", 1, 0, "abcde", 1, 1, 0);
-    test("", 1, 0, "abcde", 1, 2, 0);
-    test("", 1, 0, "abcde", 1, 3, 0);
-    test("", 1, 0, "abcde", 1, 4, 0);
-    test("", 1, 0, "abcde", 1, 5, 0);
-    test("", 1, 0, "abcde", 2, 0, 0);
-    test("", 1, 0, "abcde", 2, 1, 0);
-    test("", 1, 0, "abcde", 2, 2, 0);
-    test("", 1, 0, "abcde", 2, 3, 0);
-    test("", 1, 0, "abcde", 2, 4, 0);
-    test("", 1, 0, "abcde", 4, 0, 0);
-    test("", 1, 0, "abcde", 4, 1, 0);
-    test("", 1, 0, "abcde", 4, 2, 0);
-    test("", 1, 0, "abcde", 5, 0, 0);
-    test("", 1, 0, "abcde", 5, 1, 0);
-    test("", 1, 0, "abcde", 6, 0, 0);
-    test("", 1, 0, "abcdefghij", 0, 0, 0);
-    test("", 1, 0, "abcdefghij", 0, 1, 0);
-    test("", 1, 0, "abcdefghij", 0, 5, 0);
-    test("", 1, 0, "abcdefghij", 0, 9, 0);
-    test("", 1, 0, "abcdefghij", 0, 10, 0);
-    test("", 1, 0, "abcdefghij", 0, 11, 0);
-    test("", 1, 0, "abcdefghij", 1, 0, 0);
-    test("", 1, 0, "abcdefghij", 1, 1, 0);
-    test("", 1, 0, "abcdefghij", 1, 4, 0);
-    test("", 1, 0, "abcdefghij", 1, 8, 0);
-    test("", 1, 0, "abcdefghij", 1, 9, 0);
-    test("", 1, 0, "abcdefghij", 1, 10, 0);
-    test("", 1, 0, "abcdefghij", 5, 0, 0);
-    test("", 1, 0, "abcdefghij", 5, 1, 0);
-    test("", 1, 0, "abcdefghij", 5, 2, 0);
-    test("", 1, 0, "abcdefghij", 5, 4, 0);
-    test("", 1, 0, "abcdefghij", 5, 5, 0);
-    test("", 1, 0, "abcdefghij", 5, 6, 0);
-    test("", 1, 0, "abcdefghij", 9, 0, 0);
-    test("", 1, 0, "abcdefghij", 9, 1, 0);
-    test("", 1, 0, "abcdefghij", 9, 2, 0);
-    test("", 1, 0, "abcdefghij", 10, 0, 0);
-    test("", 1, 0, "abcdefghij", 10, 1, 0);
-    test("", 1, 0, "abcdefghij", 11, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 1, 0);
+void test1() {
+  test("", 0, 1, "abcdefghij", 0, 0, 0);
+  test("", 0, 1, "abcdefghij", 0, 1, -1);
+  test("", 0, 1, "abcdefghij", 0, 5, -5);
+  test("", 0, 1, "abcdefghij", 0, 9, -9);
+  test("", 0, 1, "abcdefghij", 0, 10, -10);
+  test("", 0, 1, "abcdefghij", 0, 11, -10);
+  test("", 0, 1, "abcdefghij", 1, 0, 0);
+  test("", 0, 1, "abcdefghij", 1, 1, -1);
+  test("", 0, 1, "abcdefghij", 1, 4, -4);
+  test("", 0, 1, "abcdefghij", 1, 8, -8);
+  test("", 0, 1, "abcdefghij", 1, 9, -9);
+  test("", 0, 1, "abcdefghij", 1, 10, -9);
+  test("", 0, 1, "abcdefghij", 5, 0, 0);
+  test("", 0, 1, "abcdefghij", 5, 1, -1);
+  test("", 0, 1, "abcdefghij", 5, 2, -2);
+  test("", 0, 1, "abcdefghij", 5, 4, -4);
+  test("", 0, 1, "abcdefghij", 5, 5, -5);
+  test("", 0, 1, "abcdefghij", 5, 6, -5);
+  test("", 0, 1, "abcdefghij", 9, 0, 0);
+  test("", 0, 1, "abcdefghij", 9, 1, -1);
+  test("", 0, 1, "abcdefghij", 9, 2, -1);
+  test("", 0, 1, "abcdefghij", 10, 0, 0);
+  test("", 0, 1, "abcdefghij", 10, 1, 0);
+  test("", 0, 1, "abcdefghij", 11, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("", 0, 1, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("", 0, 1, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("", 0, 1, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("", 0, 1, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("", 1, 0, "", 0, 0, 0);
+  test("", 1, 0, "", 0, 1, 0);
+  test("", 1, 0, "", 1, 0, 0);
+  test("", 1, 0, "abcde", 0, 0, 0);
+  test("", 1, 0, "abcde", 0, 1, 0);
+  test("", 1, 0, "abcde", 0, 2, 0);
+  test("", 1, 0, "abcde", 0, 4, 0);
+  test("", 1, 0, "abcde", 0, 5, 0);
+  test("", 1, 0, "abcde", 0, 6, 0);
+  test("", 1, 0, "abcde", 1, 0, 0);
+  test("", 1, 0, "abcde", 1, 1, 0);
+  test("", 1, 0, "abcde", 1, 2, 0);
+  test("", 1, 0, "abcde", 1, 3, 0);
+  test("", 1, 0, "abcde", 1, 4, 0);
+  test("", 1, 0, "abcde", 1, 5, 0);
+  test("", 1, 0, "abcde", 2, 0, 0);
+  test("", 1, 0, "abcde", 2, 1, 0);
+  test("", 1, 0, "abcde", 2, 2, 0);
+  test("", 1, 0, "abcde", 2, 3, 0);
+  test("", 1, 0, "abcde", 2, 4, 0);
+  test("", 1, 0, "abcde", 4, 0, 0);
+  test("", 1, 0, "abcde", 4, 1, 0);
+  test("", 1, 0, "abcde", 4, 2, 0);
+  test("", 1, 0, "abcde", 5, 0, 0);
+  test("", 1, 0, "abcde", 5, 1, 0);
+  test("", 1, 0, "abcde", 6, 0, 0);
+  test("", 1, 0, "abcdefghij", 0, 0, 0);
+  test("", 1, 0, "abcdefghij", 0, 1, 0);
+  test("", 1, 0, "abcdefghij", 0, 5, 0);
+  test("", 1, 0, "abcdefghij", 0, 9, 0);
+  test("", 1, 0, "abcdefghij", 0, 10, 0);
+  test("", 1, 0, "abcdefghij", 0, 11, 0);
+  test("", 1, 0, "abcdefghij", 1, 0, 0);
+  test("", 1, 0, "abcdefghij", 1, 1, 0);
+  test("", 1, 0, "abcdefghij", 1, 4, 0);
+  test("", 1, 0, "abcdefghij", 1, 8, 0);
+  test("", 1, 0, "abcdefghij", 1, 9, 0);
+  test("", 1, 0, "abcdefghij", 1, 10, 0);
+  test("", 1, 0, "abcdefghij", 5, 0, 0);
+  test("", 1, 0, "abcdefghij", 5, 1, 0);
+  test("", 1, 0, "abcdefghij", 5, 2, 0);
+  test("", 1, 0, "abcdefghij", 5, 4, 0);
+  test("", 1, 0, "abcdefghij", 5, 5, 0);
+  test("", 1, 0, "abcdefghij", 5, 6, 0);
+  test("", 1, 0, "abcdefghij", 9, 0, 0);
+  test("", 1, 0, "abcdefghij", 9, 1, 0);
+  test("", 1, 0, "abcdefghij", 9, 2, 0);
+  test("", 1, 0, "abcdefghij", 10, 0, 0);
+  test("", 1, 0, "abcdefghij", 10, 1, 0);
+  test("", 1, 0, "abcdefghij", 11, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 1, 0);
 }
 
-void test2()
-{
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 19, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 18, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 1, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 5, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 9, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 0, "", 0, 0, 0);
-    test("abcde", 0, 0, "", 0, 1, 0);
-    test("abcde", 0, 0, "", 1, 0, 0);
-    test("abcde", 0, 0, "abcde", 0, 0, 0);
-    test("abcde", 0, 0, "abcde", 0, 1, -1);
-    test("abcde", 0, 0, "abcde", 0, 2, -2);
-    test("abcde", 0, 0, "abcde", 0, 4, -4);
-    test("abcde", 0, 0, "abcde", 0, 5, -5);
-    test("abcde", 0, 0, "abcde", 0, 6, -5);
-    test("abcde", 0, 0, "abcde", 1, 0, 0);
-    test("abcde", 0, 0, "abcde", 1, 1, -1);
-    test("abcde", 0, 0, "abcde", 1, 2, -2);
-    test("abcde", 0, 0, "abcde", 1, 3, -3);
-    test("abcde", 0, 0, "abcde", 1, 4, -4);
-    test("abcde", 0, 0, "abcde", 1, 5, -4);
-    test("abcde", 0, 0, "abcde", 2, 0, 0);
-    test("abcde", 0, 0, "abcde", 2, 1, -1);
-    test("abcde", 0, 0, "abcde", 2, 2, -2);
-    test("abcde", 0, 0, "abcde", 2, 3, -3);
-    test("abcde", 0, 0, "abcde", 2, 4, -3);
-    test("abcde", 0, 0, "abcde", 4, 0, 0);
-    test("abcde", 0, 0, "abcde", 4, 1, -1);
-    test("abcde", 0, 0, "abcde", 4, 2, -1);
-    test("abcde", 0, 0, "abcde", 5, 0, 0);
-    test("abcde", 0, 0, "abcde", 5, 1, 0);
-    test("abcde", 0, 0, "abcde", 6, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 0, 1, -1);
-    test("abcde", 0, 0, "abcdefghij", 0, 5, -5);
-    test("abcde", 0, 0, "abcdefghij", 0, 9, -9);
-    test("abcde", 0, 0, "abcdefghij", 0, 10, -10);
-    test("abcde", 0, 0, "abcdefghij", 0, 11, -10);
-    test("abcde", 0, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 0, "abcdefghij", 1, 4, -4);
-    test("abcde", 0, 0, "abcdefghij", 1, 8, -8);
-    test("abcde", 0, 0, "abcdefghij", 1, 9, -9);
-    test("abcde", 0, 0, "abcdefghij", 1, 10, -9);
-    test("abcde", 0, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 5, 1, -1);
-    test("abcde", 0, 0, "abcdefghij", 5, 2, -2);
-    test("abcde", 0, 0, "abcdefghij", 5, 4, -4);
-    test("abcde", 0, 0, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 0, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 9, 1, -1);
-    test("abcde", 0, 0, "abcdefghij", 9, 2, -1);
-    test("abcde", 0, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 0, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 0, 0, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 1, "", 0, 0, 1);
-    test("abcde", 0, 1, "", 0, 1, 1);
-    test("abcde", 0, 1, "", 1, 0, 0);
-    test("abcde", 0, 1, "abcde", 0, 0, 1);
+void test2() {
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 19, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 18, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 1, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 5, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 9, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 0, "", 0, 0, 0);
+  test("abcde", 0, 0, "", 0, 1, 0);
+  test("abcde", 0, 0, "", 1, 0, 0);
+  test("abcde", 0, 0, "abcde", 0, 0, 0);
+  test("abcde", 0, 0, "abcde", 0, 1, -1);
+  test("abcde", 0, 0, "abcde", 0, 2, -2);
+  test("abcde", 0, 0, "abcde", 0, 4, -4);
+  test("abcde", 0, 0, "abcde", 0, 5, -5);
+  test("abcde", 0, 0, "abcde", 0, 6, -5);
+  test("abcde", 0, 0, "abcde", 1, 0, 0);
+  test("abcde", 0, 0, "abcde", 1, 1, -1);
+  test("abcde", 0, 0, "abcde", 1, 2, -2);
+  test("abcde", 0, 0, "abcde", 1, 3, -3);
+  test("abcde", 0, 0, "abcde", 1, 4, -4);
+  test("abcde", 0, 0, "abcde", 1, 5, -4);
+  test("abcde", 0, 0, "abcde", 2, 0, 0);
+  test("abcde", 0, 0, "abcde", 2, 1, -1);
+  test("abcde", 0, 0, "abcde", 2, 2, -2);
+  test("abcde", 0, 0, "abcde", 2, 3, -3);
+  test("abcde", 0, 0, "abcde", 2, 4, -3);
+  test("abcde", 0, 0, "abcde", 4, 0, 0);
+  test("abcde", 0, 0, "abcde", 4, 1, -1);
+  test("abcde", 0, 0, "abcde", 4, 2, -1);
+  test("abcde", 0, 0, "abcde", 5, 0, 0);
+  test("abcde", 0, 0, "abcde", 5, 1, 0);
+  test("abcde", 0, 0, "abcde", 6, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 0, 1, -1);
+  test("abcde", 0, 0, "abcdefghij", 0, 5, -5);
+  test("abcde", 0, 0, "abcdefghij", 0, 9, -9);
+  test("abcde", 0, 0, "abcdefghij", 0, 10, -10);
+  test("abcde", 0, 0, "abcdefghij", 0, 11, -10);
+  test("abcde", 0, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 0, "abcdefghij", 1, 4, -4);
+  test("abcde", 0, 0, "abcdefghij", 1, 8, -8);
+  test("abcde", 0, 0, "abcdefghij", 1, 9, -9);
+  test("abcde", 0, 0, "abcdefghij", 1, 10, -9);
+  test("abcde", 0, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 5, 1, -1);
+  test("abcde", 0, 0, "abcdefghij", 5, 2, -2);
+  test("abcde", 0, 0, "abcdefghij", 5, 4, -4);
+  test("abcde", 0, 0, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 0, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 9, 1, -1);
+  test("abcde", 0, 0, "abcdefghij", 9, 2, -1);
+  test("abcde", 0, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 0, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 0, 0, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 1, "", 0, 0, 1);
+  test("abcde", 0, 1, "", 0, 1, 1);
+  test("abcde", 0, 1, "", 1, 0, 0);
+  test("abcde", 0, 1, "abcde", 0, 0, 1);
 }
 
-void test3()
-{
-    test("abcde", 0, 1, "abcde", 0, 1, 0);
-    test("abcde", 0, 1, "abcde", 0, 2, -1);
-    test("abcde", 0, 1, "abcde", 0, 4, -3);
-    test("abcde", 0, 1, "abcde", 0, 5, -4);
-    test("abcde", 0, 1, "abcde", 0, 6, -4);
-    test("abcde", 0, 1, "abcde", 1, 0, 1);
-    test("abcde", 0, 1, "abcde", 1, 1, -1);
-    test("abcde", 0, 1, "abcde", 1, 2, -1);
-    test("abcde", 0, 1, "abcde", 1, 3, -1);
-    test("abcde", 0, 1, "abcde", 1, 4, -1);
-    test("abcde", 0, 1, "abcde", 1, 5, -1);
-    test("abcde", 0, 1, "abcde", 2, 0, 1);
-    test("abcde", 0, 1, "abcde", 2, 1, -2);
-    test("abcde", 0, 1, "abcde", 2, 2, -2);
-    test("abcde", 0, 1, "abcde", 2, 3, -2);
-    test("abcde", 0, 1, "abcde", 2, 4, -2);
-    test("abcde", 0, 1, "abcde", 4, 0, 1);
-    test("abcde", 0, 1, "abcde", 4, 1, -4);
-    test("abcde", 0, 1, "abcde", 4, 2, -4);
-    test("abcde", 0, 1, "abcde", 5, 0, 1);
-    test("abcde", 0, 1, "abcde", 5, 1, 1);
-    test("abcde", 0, 1, "abcde", 6, 0, 0);
-    test("abcde", 0, 1, "abcdefghij", 0, 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 0, 1, 0);
-    test("abcde", 0, 1, "abcdefghij", 0, 5, -4);
-    test("abcde", 0, 1, "abcdefghij", 0, 9, -8);
-    test("abcde", 0, 1, "abcdefghij", 0, 10, -9);
-    test("abcde", 0, 1, "abcdefghij", 0, 11, -9);
-    test("abcde", 0, 1, "abcdefghij", 1, 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 1, "abcdefghij", 1, 4, -1);
-    test("abcde", 0, 1, "abcdefghij", 1, 8, -1);
-    test("abcde", 0, 1, "abcdefghij", 1, 9, -1);
-    test("abcde", 0, 1, "abcdefghij", 1, 10, -1);
-    test("abcde", 0, 1, "abcdefghij", 5, 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 5, 1, -5);
-    test("abcde", 0, 1, "abcdefghij", 5, 2, -5);
-    test("abcde", 0, 1, "abcdefghij", 5, 4, -5);
-    test("abcde", 0, 1, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 1, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 1, "abcdefghij", 9, 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 9, 1, -9);
-    test("abcde", 0, 1, "abcdefghij", 9, 2, -9);
-    test("abcde", 0, 1, "abcdefghij", 10, 0, 1);
-    test("abcde", 0, 1, "abcdefghij", 10, 1, 1);
-    test("abcde", 0, 1, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcde", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 2, "", 0, 0, 2);
-    test("abcde", 0, 2, "", 0, 1, 2);
-    test("abcde", 0, 2, "", 1, 0, 0);
-    test("abcde", 0, 2, "abcde", 0, 0, 2);
-    test("abcde", 0, 2, "abcde", 0, 1, 1);
-    test("abcde", 0, 2, "abcde", 0, 2, 0);
-    test("abcde", 0, 2, "abcde", 0, 4, -2);
-    test("abcde", 0, 2, "abcde", 0, 5, -3);
-    test("abcde", 0, 2, "abcde", 0, 6, -3);
-    test("abcde", 0, 2, "abcde", 1, 0, 2);
-    test("abcde", 0, 2, "abcde", 1, 1, -1);
-    test("abcde", 0, 2, "abcde", 1, 2, -1);
-    test("abcde", 0, 2, "abcde", 1, 3, -1);
-    test("abcde", 0, 2, "abcde", 1, 4, -1);
-    test("abcde", 0, 2, "abcde", 1, 5, -1);
-    test("abcde", 0, 2, "abcde", 2, 0, 2);
-    test("abcde", 0, 2, "abcde", 2, 1, -2);
-    test("abcde", 0, 2, "abcde", 2, 2, -2);
-    test("abcde", 0, 2, "abcde", 2, 3, -2);
-    test("abcde", 0, 2, "abcde", 2, 4, -2);
-    test("abcde", 0, 2, "abcde", 4, 0, 2);
-    test("abcde", 0, 2, "abcde", 4, 1, -4);
-    test("abcde", 0, 2, "abcde", 4, 2, -4);
-    test("abcde", 0, 2, "abcde", 5, 0, 2);
-    test("abcde", 0, 2, "abcde", 5, 1, 2);
-    test("abcde", 0, 2, "abcde", 6, 0, 0);
-    test("abcde", 0, 2, "abcdefghij", 0, 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 0, 1, 1);
-    test("abcde", 0, 2, "abcdefghij", 0, 5, -3);
-    test("abcde", 0, 2, "abcdefghij", 0, 9, -7);
+void test3() {
+  test("abcde", 0, 1, "abcde", 0, 1, 0);
+  test("abcde", 0, 1, "abcde", 0, 2, -1);
+  test("abcde", 0, 1, "abcde", 0, 4, -3);
+  test("abcde", 0, 1, "abcde", 0, 5, -4);
+  test("abcde", 0, 1, "abcde", 0, 6, -4);
+  test("abcde", 0, 1, "abcde", 1, 0, 1);
+  test("abcde", 0, 1, "abcde", 1, 1, -1);
+  test("abcde", 0, 1, "abcde", 1, 2, -1);
+  test("abcde", 0, 1, "abcde", 1, 3, -1);
+  test("abcde", 0, 1, "abcde", 1, 4, -1);
+  test("abcde", 0, 1, "abcde", 1, 5, -1);
+  test("abcde", 0, 1, "abcde", 2, 0, 1);
+  test("abcde", 0, 1, "abcde", 2, 1, -2);
+  test("abcde", 0, 1, "abcde", 2, 2, -2);
+  test("abcde", 0, 1, "abcde", 2, 3, -2);
+  test("abcde", 0, 1, "abcde", 2, 4, -2);
+  test("abcde", 0, 1, "abcde", 4, 0, 1);
+  test("abcde", 0, 1, "abcde", 4, 1, -4);
+  test("abcde", 0, 1, "abcde", 4, 2, -4);
+  test("abcde", 0, 1, "abcde", 5, 0, 1);
+  test("abcde", 0, 1, "abcde", 5, 1, 1);
+  test("abcde", 0, 1, "abcde", 6, 0, 0);
+  test("abcde", 0, 1, "abcdefghij", 0, 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 0, 1, 0);
+  test("abcde", 0, 1, "abcdefghij", 0, 5, -4);
+  test("abcde", 0, 1, "abcdefghij", 0, 9, -8);
+  test("abcde", 0, 1, "abcdefghij", 0, 10, -9);
+  test("abcde", 0, 1, "abcdefghij", 0, 11, -9);
+  test("abcde", 0, 1, "abcdefghij", 1, 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 1, "abcdefghij", 1, 4, -1);
+  test("abcde", 0, 1, "abcdefghij", 1, 8, -1);
+  test("abcde", 0, 1, "abcdefghij", 1, 9, -1);
+  test("abcde", 0, 1, "abcdefghij", 1, 10, -1);
+  test("abcde", 0, 1, "abcdefghij", 5, 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 5, 1, -5);
+  test("abcde", 0, 1, "abcdefghij", 5, 2, -5);
+  test("abcde", 0, 1, "abcdefghij", 5, 4, -5);
+  test("abcde", 0, 1, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 1, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 1, "abcdefghij", 9, 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 9, 1, -9);
+  test("abcde", 0, 1, "abcdefghij", 9, 2, -9);
+  test("abcde", 0, 1, "abcdefghij", 10, 0, 1);
+  test("abcde", 0, 1, "abcdefghij", 10, 1, 1);
+  test("abcde", 0, 1, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcde", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 2, "", 0, 0, 2);
+  test("abcde", 0, 2, "", 0, 1, 2);
+  test("abcde", 0, 2, "", 1, 0, 0);
+  test("abcde", 0, 2, "abcde", 0, 0, 2);
+  test("abcde", 0, 2, "abcde", 0, 1, 1);
+  test("abcde", 0, 2, "abcde", 0, 2, 0);
+  test("abcde", 0, 2, "abcde", 0, 4, -2);
+  test("abcde", 0, 2, "abcde", 0, 5, -3);
+  test("abcde", 0, 2, "abcde", 0, 6, -3);
+  test("abcde", 0, 2, "abcde", 1, 0, 2);
+  test("abcde", 0, 2, "abcde", 1, 1, -1);
+  test("abcde", 0, 2, "abcde", 1, 2, -1);
+  test("abcde", 0, 2, "abcde", 1, 3, -1);
+  test("abcde", 0, 2, "abcde", 1, 4, -1);
+  test("abcde", 0, 2, "abcde", 1, 5, -1);
+  test("abcde", 0, 2, "abcde", 2, 0, 2);
+  test("abcde", 0, 2, "abcde", 2, 1, -2);
+  test("abcde", 0, 2, "abcde", 2, 2, -2);
+  test("abcde", 0, 2, "abcde", 2, 3, -2);
+  test("abcde", 0, 2, "abcde", 2, 4, -2);
+  test("abcde", 0, 2, "abcde", 4, 0, 2);
+  test("abcde", 0, 2, "abcde", 4, 1, -4);
+  test("abcde", 0, 2, "abcde", 4, 2, -4);
+  test("abcde", 0, 2, "abcde", 5, 0, 2);
+  test("abcde", 0, 2, "abcde", 5, 1, 2);
+  test("abcde", 0, 2, "abcde", 6, 0, 0);
+  test("abcde", 0, 2, "abcdefghij", 0, 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 0, 1, 1);
+  test("abcde", 0, 2, "abcdefghij", 0, 5, -3);
+  test("abcde", 0, 2, "abcdefghij", 0, 9, -7);
 }
 
-void test4()
-{
-    test("abcde", 0, 2, "abcdefghij", 0, 10, -8);
-    test("abcde", 0, 2, "abcdefghij", 0, 11, -8);
-    test("abcde", 0, 2, "abcdefghij", 1, 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 2, "abcdefghij", 1, 4, -1);
-    test("abcde", 0, 2, "abcdefghij", 1, 8, -1);
-    test("abcde", 0, 2, "abcdefghij", 1, 9, -1);
-    test("abcde", 0, 2, "abcdefghij", 1, 10, -1);
-    test("abcde", 0, 2, "abcdefghij", 5, 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 5, 1, -5);
-    test("abcde", 0, 2, "abcdefghij", 5, 2, -5);
-    test("abcde", 0, 2, "abcdefghij", 5, 4, -5);
-    test("abcde", 0, 2, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 2, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 2, "abcdefghij", 9, 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 9, 1, -9);
-    test("abcde", 0, 2, "abcdefghij", 9, 2, -9);
-    test("abcde", 0, 2, "abcdefghij", 10, 0, 2);
-    test("abcde", 0, 2, "abcdefghij", 10, 1, 2);
-    test("abcde", 0, 2, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 10, -8);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 19, -17);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 20, -18);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 21, -18);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 0, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 1, 2);
-    test("abcde", 0, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 4, "", 0, 0, 4);
-    test("abcde", 0, 4, "", 0, 1, 4);
-    test("abcde", 0, 4, "", 1, 0, 0);
-    test("abcde", 0, 4, "abcde", 0, 0, 4);
-    test("abcde", 0, 4, "abcde", 0, 1, 3);
-    test("abcde", 0, 4, "abcde", 0, 2, 2);
-    test("abcde", 0, 4, "abcde", 0, 4, 0);
-    test("abcde", 0, 4, "abcde", 0, 5, -1);
-    test("abcde", 0, 4, "abcde", 0, 6, -1);
-    test("abcde", 0, 4, "abcde", 1, 0, 4);
-    test("abcde", 0, 4, "abcde", 1, 1, -1);
-    test("abcde", 0, 4, "abcde", 1, 2, -1);
-    test("abcde", 0, 4, "abcde", 1, 3, -1);
-    test("abcde", 0, 4, "abcde", 1, 4, -1);
-    test("abcde", 0, 4, "abcde", 1, 5, -1);
-    test("abcde", 0, 4, "abcde", 2, 0, 4);
-    test("abcde", 0, 4, "abcde", 2, 1, -2);
-    test("abcde", 0, 4, "abcde", 2, 2, -2);
-    test("abcde", 0, 4, "abcde", 2, 3, -2);
-    test("abcde", 0, 4, "abcde", 2, 4, -2);
-    test("abcde", 0, 4, "abcde", 4, 0, 4);
-    test("abcde", 0, 4, "abcde", 4, 1, -4);
-    test("abcde", 0, 4, "abcde", 4, 2, -4);
-    test("abcde", 0, 4, "abcde", 5, 0, 4);
-    test("abcde", 0, 4, "abcde", 5, 1, 4);
-    test("abcde", 0, 4, "abcde", 6, 0, 0);
-    test("abcde", 0, 4, "abcdefghij", 0, 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 0, 1, 3);
-    test("abcde", 0, 4, "abcdefghij", 0, 5, -1);
-    test("abcde", 0, 4, "abcdefghij", 0, 9, -5);
-    test("abcde", 0, 4, "abcdefghij", 0, 10, -6);
-    test("abcde", 0, 4, "abcdefghij", 0, 11, -6);
-    test("abcde", 0, 4, "abcdefghij", 1, 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 4, "abcdefghij", 1, 4, -1);
-    test("abcde", 0, 4, "abcdefghij", 1, 8, -1);
-    test("abcde", 0, 4, "abcdefghij", 1, 9, -1);
-    test("abcde", 0, 4, "abcdefghij", 1, 10, -1);
-    test("abcde", 0, 4, "abcdefghij", 5, 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 5, 1, -5);
-    test("abcde", 0, 4, "abcdefghij", 5, 2, -5);
-    test("abcde", 0, 4, "abcdefghij", 5, 4, -5);
-    test("abcde", 0, 4, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 4, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 4, "abcdefghij", 9, 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 9, 1, -9);
-    test("abcde", 0, 4, "abcdefghij", 9, 2, -9);
-    test("abcde", 0, 4, "abcdefghij", 10, 0, 4);
-    test("abcde", 0, 4, "abcdefghij", 10, 1, 4);
-    test("abcde", 0, 4, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 1, 3);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 10, -6);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 19, -15);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 20, -16);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 21, -16);
+void test4() {
+  test("abcde", 0, 2, "abcdefghij", 0, 10, -8);
+  test("abcde", 0, 2, "abcdefghij", 0, 11, -8);
+  test("abcde", 0, 2, "abcdefghij", 1, 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 2, "abcdefghij", 1, 4, -1);
+  test("abcde", 0, 2, "abcdefghij", 1, 8, -1);
+  test("abcde", 0, 2, "abcdefghij", 1, 9, -1);
+  test("abcde", 0, 2, "abcdefghij", 1, 10, -1);
+  test("abcde", 0, 2, "abcdefghij", 5, 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 5, 1, -5);
+  test("abcde", 0, 2, "abcdefghij", 5, 2, -5);
+  test("abcde", 0, 2, "abcdefghij", 5, 4, -5);
+  test("abcde", 0, 2, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 2, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 2, "abcdefghij", 9, 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 9, 1, -9);
+  test("abcde", 0, 2, "abcdefghij", 9, 2, -9);
+  test("abcde", 0, 2, "abcdefghij", 10, 0, 2);
+  test("abcde", 0, 2, "abcdefghij", 10, 1, 2);
+  test("abcde", 0, 2, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 10, -8);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 19, -17);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 20, -18);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 21, -18);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 0, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 1, 2);
+  test("abcde", 0, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 4, "", 0, 0, 4);
+  test("abcde", 0, 4, "", 0, 1, 4);
+  test("abcde", 0, 4, "", 1, 0, 0);
+  test("abcde", 0, 4, "abcde", 0, 0, 4);
+  test("abcde", 0, 4, "abcde", 0, 1, 3);
+  test("abcde", 0, 4, "abcde", 0, 2, 2);
+  test("abcde", 0, 4, "abcde", 0, 4, 0);
+  test("abcde", 0, 4, "abcde", 0, 5, -1);
+  test("abcde", 0, 4, "abcde", 0, 6, -1);
+  test("abcde", 0, 4, "abcde", 1, 0, 4);
+  test("abcde", 0, 4, "abcde", 1, 1, -1);
+  test("abcde", 0, 4, "abcde", 1, 2, -1);
+  test("abcde", 0, 4, "abcde", 1, 3, -1);
+  test("abcde", 0, 4, "abcde", 1, 4, -1);
+  test("abcde", 0, 4, "abcde", 1, 5, -1);
+  test("abcde", 0, 4, "abcde", 2, 0, 4);
+  test("abcde", 0, 4, "abcde", 2, 1, -2);
+  test("abcde", 0, 4, "abcde", 2, 2, -2);
+  test("abcde", 0, 4, "abcde", 2, 3, -2);
+  test("abcde", 0, 4, "abcde", 2, 4, -2);
+  test("abcde", 0, 4, "abcde", 4, 0, 4);
+  test("abcde", 0, 4, "abcde", 4, 1, -4);
+  test("abcde", 0, 4, "abcde", 4, 2, -4);
+  test("abcde", 0, 4, "abcde", 5, 0, 4);
+  test("abcde", 0, 4, "abcde", 5, 1, 4);
+  test("abcde", 0, 4, "abcde", 6, 0, 0);
+  test("abcde", 0, 4, "abcdefghij", 0, 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 0, 1, 3);
+  test("abcde", 0, 4, "abcdefghij", 0, 5, -1);
+  test("abcde", 0, 4, "abcdefghij", 0, 9, -5);
+  test("abcde", 0, 4, "abcdefghij", 0, 10, -6);
+  test("abcde", 0, 4, "abcdefghij", 0, 11, -6);
+  test("abcde", 0, 4, "abcdefghij", 1, 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 4, "abcdefghij", 1, 4, -1);
+  test("abcde", 0, 4, "abcdefghij", 1, 8, -1);
+  test("abcde", 0, 4, "abcdefghij", 1, 9, -1);
+  test("abcde", 0, 4, "abcdefghij", 1, 10, -1);
+  test("abcde", 0, 4, "abcdefghij", 5, 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 5, 1, -5);
+  test("abcde", 0, 4, "abcdefghij", 5, 2, -5);
+  test("abcde", 0, 4, "abcdefghij", 5, 4, -5);
+  test("abcde", 0, 4, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 4, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 4, "abcdefghij", 9, 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 9, 1, -9);
+  test("abcde", 0, 4, "abcdefghij", 9, 2, -9);
+  test("abcde", 0, 4, "abcdefghij", 10, 0, 4);
+  test("abcde", 0, 4, "abcdefghij", 10, 1, 4);
+  test("abcde", 0, 4, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 1, 3);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 10, -6);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 19, -15);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 20, -16);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 21, -16);
 }
 
-void test5()
-{
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 0, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 1, 4);
-    test("abcde", 0, 4, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 5, "", 0, 0, 5);
-    test("abcde", 0, 5, "", 0, 1, 5);
-    test("abcde", 0, 5, "", 1, 0, 0);
-    test("abcde", 0, 5, "abcde", 0, 0, 5);
-    test("abcde", 0, 5, "abcde", 0, 1, 4);
-    test("abcde", 0, 5, "abcde", 0, 2, 3);
-    test("abcde", 0, 5, "abcde", 0, 4, 1);
-    test("abcde", 0, 5, "abcde", 0, 5, 0);
-    test("abcde", 0, 5, "abcde", 0, 6, 0);
-    test("abcde", 0, 5, "abcde", 1, 0, 5);
-    test("abcde", 0, 5, "abcde", 1, 1, -1);
-    test("abcde", 0, 5, "abcde", 1, 2, -1);
-    test("abcde", 0, 5, "abcde", 1, 3, -1);
-    test("abcde", 0, 5, "abcde", 1, 4, -1);
-    test("abcde", 0, 5, "abcde", 1, 5, -1);
-    test("abcde", 0, 5, "abcde", 2, 0, 5);
-    test("abcde", 0, 5, "abcde", 2, 1, -2);
-    test("abcde", 0, 5, "abcde", 2, 2, -2);
-    test("abcde", 0, 5, "abcde", 2, 3, -2);
-    test("abcde", 0, 5, "abcde", 2, 4, -2);
-    test("abcde", 0, 5, "abcde", 4, 0, 5);
-    test("abcde", 0, 5, "abcde", 4, 1, -4);
-    test("abcde", 0, 5, "abcde", 4, 2, -4);
-    test("abcde", 0, 5, "abcde", 5, 0, 5);
-    test("abcde", 0, 5, "abcde", 5, 1, 5);
-    test("abcde", 0, 5, "abcde", 6, 0, 0);
-    test("abcde", 0, 5, "abcdefghij", 0, 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 0, 1, 4);
-    test("abcde", 0, 5, "abcdefghij", 0, 5, 0);
-    test("abcde", 0, 5, "abcdefghij", 0, 9, -4);
-    test("abcde", 0, 5, "abcdefghij", 0, 10, -5);
-    test("abcde", 0, 5, "abcdefghij", 0, 11, -5);
-    test("abcde", 0, 5, "abcdefghij", 1, 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 5, "abcdefghij", 1, 4, -1);
-    test("abcde", 0, 5, "abcdefghij", 1, 8, -1);
-    test("abcde", 0, 5, "abcdefghij", 1, 9, -1);
-    test("abcde", 0, 5, "abcdefghij", 1, 10, -1);
-    test("abcde", 0, 5, "abcdefghij", 5, 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 5, 1, -5);
-    test("abcde", 0, 5, "abcdefghij", 5, 2, -5);
-    test("abcde", 0, 5, "abcdefghij", 5, 4, -5);
-    test("abcde", 0, 5, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 5, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 5, "abcdefghij", 9, 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 9, 1, -9);
-    test("abcde", 0, 5, "abcdefghij", 9, 2, -9);
-    test("abcde", 0, 5, "abcdefghij", 10, 0, 5);
-    test("abcde", 0, 5, "abcdefghij", 10, 1, 5);
-    test("abcde", 0, 5, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcde", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 0, 6, "", 0, 0, 5);
-    test("abcde", 0, 6, "", 0, 1, 5);
-    test("abcde", 0, 6, "", 1, 0, 0);
-    test("abcde", 0, 6, "abcde", 0, 0, 5);
-    test("abcde", 0, 6, "abcde", 0, 1, 4);
-    test("abcde", 0, 6, "abcde", 0, 2, 3);
-    test("abcde", 0, 6, "abcde", 0, 4, 1);
-    test("abcde", 0, 6, "abcde", 0, 5, 0);
+void test5() {
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 0, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 1, 4);
+  test("abcde", 0, 4, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 5, "", 0, 0, 5);
+  test("abcde", 0, 5, "", 0, 1, 5);
+  test("abcde", 0, 5, "", 1, 0, 0);
+  test("abcde", 0, 5, "abcde", 0, 0, 5);
+  test("abcde", 0, 5, "abcde", 0, 1, 4);
+  test("abcde", 0, 5, "abcde", 0, 2, 3);
+  test("abcde", 0, 5, "abcde", 0, 4, 1);
+  test("abcde", 0, 5, "abcde", 0, 5, 0);
+  test("abcde", 0, 5, "abcde", 0, 6, 0);
+  test("abcde", 0, 5, "abcde", 1, 0, 5);
+  test("abcde", 0, 5, "abcde", 1, 1, -1);
+  test("abcde", 0, 5, "abcde", 1, 2, -1);
+  test("abcde", 0, 5, "abcde", 1, 3, -1);
+  test("abcde", 0, 5, "abcde", 1, 4, -1);
+  test("abcde", 0, 5, "abcde", 1, 5, -1);
+  test("abcde", 0, 5, "abcde", 2, 0, 5);
+  test("abcde", 0, 5, "abcde", 2, 1, -2);
+  test("abcde", 0, 5, "abcde", 2, 2, -2);
+  test("abcde", 0, 5, "abcde", 2, 3, -2);
+  test("abcde", 0, 5, "abcde", 2, 4, -2);
+  test("abcde", 0, 5, "abcde", 4, 0, 5);
+  test("abcde", 0, 5, "abcde", 4, 1, -4);
+  test("abcde", 0, 5, "abcde", 4, 2, -4);
+  test("abcde", 0, 5, "abcde", 5, 0, 5);
+  test("abcde", 0, 5, "abcde", 5, 1, 5);
+  test("abcde", 0, 5, "abcde", 6, 0, 0);
+  test("abcde", 0, 5, "abcdefghij", 0, 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 0, 1, 4);
+  test("abcde", 0, 5, "abcdefghij", 0, 5, 0);
+  test("abcde", 0, 5, "abcdefghij", 0, 9, -4);
+  test("abcde", 0, 5, "abcdefghij", 0, 10, -5);
+  test("abcde", 0, 5, "abcdefghij", 0, 11, -5);
+  test("abcde", 0, 5, "abcdefghij", 1, 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 5, "abcdefghij", 1, 4, -1);
+  test("abcde", 0, 5, "abcdefghij", 1, 8, -1);
+  test("abcde", 0, 5, "abcdefghij", 1, 9, -1);
+  test("abcde", 0, 5, "abcdefghij", 1, 10, -1);
+  test("abcde", 0, 5, "abcdefghij", 5, 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 5, 1, -5);
+  test("abcde", 0, 5, "abcdefghij", 5, 2, -5);
+  test("abcde", 0, 5, "abcdefghij", 5, 4, -5);
+  test("abcde", 0, 5, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 5, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 5, "abcdefghij", 9, 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 9, 1, -9);
+  test("abcde", 0, 5, "abcdefghij", 9, 2, -9);
+  test("abcde", 0, 5, "abcdefghij", 10, 0, 5);
+  test("abcde", 0, 5, "abcdefghij", 10, 1, 5);
+  test("abcde", 0, 5, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcde", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 0, 6, "", 0, 0, 5);
+  test("abcde", 0, 6, "", 0, 1, 5);
+  test("abcde", 0, 6, "", 1, 0, 0);
+  test("abcde", 0, 6, "abcde", 0, 0, 5);
+  test("abcde", 0, 6, "abcde", 0, 1, 4);
+  test("abcde", 0, 6, "abcde", 0, 2, 3);
+  test("abcde", 0, 6, "abcde", 0, 4, 1);
+  test("abcde", 0, 6, "abcde", 0, 5, 0);
 }
 
-void test6()
-{
-    test("abcde", 0, 6, "abcde", 0, 6, 0);
-    test("abcde", 0, 6, "abcde", 1, 0, 5);
-    test("abcde", 0, 6, "abcde", 1, 1, -1);
-    test("abcde", 0, 6, "abcde", 1, 2, -1);
-    test("abcde", 0, 6, "abcde", 1, 3, -1);
-    test("abcde", 0, 6, "abcde", 1, 4, -1);
-    test("abcde", 0, 6, "abcde", 1, 5, -1);
-    test("abcde", 0, 6, "abcde", 2, 0, 5);
-    test("abcde", 0, 6, "abcde", 2, 1, -2);
-    test("abcde", 0, 6, "abcde", 2, 2, -2);
-    test("abcde", 0, 6, "abcde", 2, 3, -2);
-    test("abcde", 0, 6, "abcde", 2, 4, -2);
-    test("abcde", 0, 6, "abcde", 4, 0, 5);
-    test("abcde", 0, 6, "abcde", 4, 1, -4);
-    test("abcde", 0, 6, "abcde", 4, 2, -4);
-    test("abcde", 0, 6, "abcde", 5, 0, 5);
-    test("abcde", 0, 6, "abcde", 5, 1, 5);
-    test("abcde", 0, 6, "abcde", 6, 0, 0);
-    test("abcde", 0, 6, "abcdefghij", 0, 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 0, 1, 4);
-    test("abcde", 0, 6, "abcdefghij", 0, 5, 0);
-    test("abcde", 0, 6, "abcdefghij", 0, 9, -4);
-    test("abcde", 0, 6, "abcdefghij", 0, 10, -5);
-    test("abcde", 0, 6, "abcdefghij", 0, 11, -5);
-    test("abcde", 0, 6, "abcdefghij", 1, 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 1, 1, -1);
-    test("abcde", 0, 6, "abcdefghij", 1, 4, -1);
-    test("abcde", 0, 6, "abcdefghij", 1, 8, -1);
-    test("abcde", 0, 6, "abcdefghij", 1, 9, -1);
-    test("abcde", 0, 6, "abcdefghij", 1, 10, -1);
-    test("abcde", 0, 6, "abcdefghij", 5, 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 5, 1, -5);
-    test("abcde", 0, 6, "abcdefghij", 5, 2, -5);
-    test("abcde", 0, 6, "abcdefghij", 5, 4, -5);
-    test("abcde", 0, 6, "abcdefghij", 5, 5, -5);
-    test("abcde", 0, 6, "abcdefghij", 5, 6, -5);
-    test("abcde", 0, 6, "abcdefghij", 9, 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 9, 1, -9);
-    test("abcde", 0, 6, "abcdefghij", 9, 2, -9);
-    test("abcde", 0, 6, "abcdefghij", 10, 0, 5);
-    test("abcde", 0, 6, "abcdefghij", 10, 1, 5);
-    test("abcde", 0, 6, "abcdefghij", 11, 0, 0);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 1, 4);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 10, -5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 19, -14);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 20, -15);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 21, -15);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcde", 0, 6, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 0, "", 0, 0, 0);
-    test("abcde", 1, 0, "", 0, 1, 0);
-    test("abcde", 1, 0, "", 1, 0, 0);
-    test("abcde", 1, 0, "abcde", 0, 0, 0);
-    test("abcde", 1, 0, "abcde", 0, 1, -1);
-    test("abcde", 1, 0, "abcde", 0, 2, -2);
-    test("abcde", 1, 0, "abcde", 0, 4, -4);
-    test("abcde", 1, 0, "abcde", 0, 5, -5);
-    test("abcde", 1, 0, "abcde", 0, 6, -5);
-    test("abcde", 1, 0, "abcde", 1, 0, 0);
-    test("abcde", 1, 0, "abcde", 1, 1, -1);
-    test("abcde", 1, 0, "abcde", 1, 2, -2);
-    test("abcde", 1, 0, "abcde", 1, 3, -3);
-    test("abcde", 1, 0, "abcde", 1, 4, -4);
-    test("abcde", 1, 0, "abcde", 1, 5, -4);
-    test("abcde", 1, 0, "abcde", 2, 0, 0);
-    test("abcde", 1, 0, "abcde", 2, 1, -1);
-    test("abcde", 1, 0, "abcde", 2, 2, -2);
-    test("abcde", 1, 0, "abcde", 2, 3, -3);
-    test("abcde", 1, 0, "abcde", 2, 4, -3);
-    test("abcde", 1, 0, "abcde", 4, 0, 0);
-    test("abcde", 1, 0, "abcde", 4, 1, -1);
-    test("abcde", 1, 0, "abcde", 4, 2, -1);
-    test("abcde", 1, 0, "abcde", 5, 0, 0);
-    test("abcde", 1, 0, "abcde", 5, 1, 0);
-    test("abcde", 1, 0, "abcde", 6, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 0, 1, -1);
-    test("abcde", 1, 0, "abcdefghij", 0, 5, -5);
-    test("abcde", 1, 0, "abcdefghij", 0, 9, -9);
-    test("abcde", 1, 0, "abcdefghij", 0, 10, -10);
-    test("abcde", 1, 0, "abcdefghij", 0, 11, -10);
-    test("abcde", 1, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 1, 1, -1);
+void test6() {
+  test("abcde", 0, 6, "abcde", 0, 6, 0);
+  test("abcde", 0, 6, "abcde", 1, 0, 5);
+  test("abcde", 0, 6, "abcde", 1, 1, -1);
+  test("abcde", 0, 6, "abcde", 1, 2, -1);
+  test("abcde", 0, 6, "abcde", 1, 3, -1);
+  test("abcde", 0, 6, "abcde", 1, 4, -1);
+  test("abcde", 0, 6, "abcde", 1, 5, -1);
+  test("abcde", 0, 6, "abcde", 2, 0, 5);
+  test("abcde", 0, 6, "abcde", 2, 1, -2);
+  test("abcde", 0, 6, "abcde", 2, 2, -2);
+  test("abcde", 0, 6, "abcde", 2, 3, -2);
+  test("abcde", 0, 6, "abcde", 2, 4, -2);
+  test("abcde", 0, 6, "abcde", 4, 0, 5);
+  test("abcde", 0, 6, "abcde", 4, 1, -4);
+  test("abcde", 0, 6, "abcde", 4, 2, -4);
+  test("abcde", 0, 6, "abcde", 5, 0, 5);
+  test("abcde", 0, 6, "abcde", 5, 1, 5);
+  test("abcde", 0, 6, "abcde", 6, 0, 0);
+  test("abcde", 0, 6, "abcdefghij", 0, 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 0, 1, 4);
+  test("abcde", 0, 6, "abcdefghij", 0, 5, 0);
+  test("abcde", 0, 6, "abcdefghij", 0, 9, -4);
+  test("abcde", 0, 6, "abcdefghij", 0, 10, -5);
+  test("abcde", 0, 6, "abcdefghij", 0, 11, -5);
+  test("abcde", 0, 6, "abcdefghij", 1, 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 1, 1, -1);
+  test("abcde", 0, 6, "abcdefghij", 1, 4, -1);
+  test("abcde", 0, 6, "abcdefghij", 1, 8, -1);
+  test("abcde", 0, 6, "abcdefghij", 1, 9, -1);
+  test("abcde", 0, 6, "abcdefghij", 1, 10, -1);
+  test("abcde", 0, 6, "abcdefghij", 5, 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 5, 1, -5);
+  test("abcde", 0, 6, "abcdefghij", 5, 2, -5);
+  test("abcde", 0, 6, "abcdefghij", 5, 4, -5);
+  test("abcde", 0, 6, "abcdefghij", 5, 5, -5);
+  test("abcde", 0, 6, "abcdefghij", 5, 6, -5);
+  test("abcde", 0, 6, "abcdefghij", 9, 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 9, 1, -9);
+  test("abcde", 0, 6, "abcdefghij", 9, 2, -9);
+  test("abcde", 0, 6, "abcdefghij", 10, 0, 5);
+  test("abcde", 0, 6, "abcdefghij", 10, 1, 5);
+  test("abcde", 0, 6, "abcdefghij", 11, 0, 0);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 1, 4);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 10, -5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 19, -14);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 20, -15);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 21, -15);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcde", 0, 6, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 0, "", 0, 0, 0);
+  test("abcde", 1, 0, "", 0, 1, 0);
+  test("abcde", 1, 0, "", 1, 0, 0);
+  test("abcde", 1, 0, "abcde", 0, 0, 0);
+  test("abcde", 1, 0, "abcde", 0, 1, -1);
+  test("abcde", 1, 0, "abcde", 0, 2, -2);
+  test("abcde", 1, 0, "abcde", 0, 4, -4);
+  test("abcde", 1, 0, "abcde", 0, 5, -5);
+  test("abcde", 1, 0, "abcde", 0, 6, -5);
+  test("abcde", 1, 0, "abcde", 1, 0, 0);
+  test("abcde", 1, 0, "abcde", 1, 1, -1);
+  test("abcde", 1, 0, "abcde", 1, 2, -2);
+  test("abcde", 1, 0, "abcde", 1, 3, -3);
+  test("abcde", 1, 0, "abcde", 1, 4, -4);
+  test("abcde", 1, 0, "abcde", 1, 5, -4);
+  test("abcde", 1, 0, "abcde", 2, 0, 0);
+  test("abcde", 1, 0, "abcde", 2, 1, -1);
+  test("abcde", 1, 0, "abcde", 2, 2, -2);
+  test("abcde", 1, 0, "abcde", 2, 3, -3);
+  test("abcde", 1, 0, "abcde", 2, 4, -3);
+  test("abcde", 1, 0, "abcde", 4, 0, 0);
+  test("abcde", 1, 0, "abcde", 4, 1, -1);
+  test("abcde", 1, 0, "abcde", 4, 2, -1);
+  test("abcde", 1, 0, "abcde", 5, 0, 0);
+  test("abcde", 1, 0, "abcde", 5, 1, 0);
+  test("abcde", 1, 0, "abcde", 6, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 0, 1, -1);
+  test("abcde", 1, 0, "abcdefghij", 0, 5, -5);
+  test("abcde", 1, 0, "abcdefghij", 0, 9, -9);
+  test("abcde", 1, 0, "abcdefghij", 0, 10, -10);
+  test("abcde", 1, 0, "abcdefghij", 0, 11, -10);
+  test("abcde", 1, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 1, 1, -1);
 }
 
-void test7()
-{
-    test("abcde", 1, 0, "abcdefghij", 1, 4, -4);
-    test("abcde", 1, 0, "abcdefghij", 1, 8, -8);
-    test("abcde", 1, 0, "abcdefghij", 1, 9, -9);
-    test("abcde", 1, 0, "abcdefghij", 1, 10, -9);
-    test("abcde", 1, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 5, 1, -1);
-    test("abcde", 1, 0, "abcdefghij", 5, 2, -2);
-    test("abcde", 1, 0, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 0, "abcdefghij", 5, 5, -5);
-    test("abcde", 1, 0, "abcdefghij", 5, 6, -5);
-    test("abcde", 1, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 9, 1, -1);
-    test("abcde", 1, 0, "abcdefghij", 9, 2, -1);
-    test("abcde", 1, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 1, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 1, 0, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 1, "", 0, 0, 1);
-    test("abcde", 1, 1, "", 0, 1, 1);
-    test("abcde", 1, 1, "", 1, 0, 0);
-    test("abcde", 1, 1, "abcde", 0, 0, 1);
-    test("abcde", 1, 1, "abcde", 0, 1, 1);
-    test("abcde", 1, 1, "abcde", 0, 2, 1);
-    test("abcde", 1, 1, "abcde", 0, 4, 1);
-    test("abcde", 1, 1, "abcde", 0, 5, 1);
-    test("abcde", 1, 1, "abcde", 0, 6, 1);
-    test("abcde", 1, 1, "abcde", 1, 0, 1);
-    test("abcde", 1, 1, "abcde", 1, 1, 0);
-    test("abcde", 1, 1, "abcde", 1, 2, -1);
-    test("abcde", 1, 1, "abcde", 1, 3, -2);
-    test("abcde", 1, 1, "abcde", 1, 4, -3);
-    test("abcde", 1, 1, "abcde", 1, 5, -3);
-    test("abcde", 1, 1, "abcde", 2, 0, 1);
-    test("abcde", 1, 1, "abcde", 2, 1, -1);
-    test("abcde", 1, 1, "abcde", 2, 2, -1);
-    test("abcde", 1, 1, "abcde", 2, 3, -1);
-    test("abcde", 1, 1, "abcde", 2, 4, -1);
-    test("abcde", 1, 1, "abcde", 4, 0, 1);
-    test("abcde", 1, 1, "abcde", 4, 1, -3);
-    test("abcde", 1, 1, "abcde", 4, 2, -3);
-    test("abcde", 1, 1, "abcde", 5, 0, 1);
-    test("abcde", 1, 1, "abcde", 5, 1, 1);
-    test("abcde", 1, 1, "abcde", 6, 0, 0);
-    test("abcde", 1, 1, "abcdefghij", 0, 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 1, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 5, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 9, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 10, 1);
-    test("abcde", 1, 1, "abcdefghij", 0, 11, 1);
-    test("abcde", 1, 1, "abcdefghij", 1, 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 1, 1, 0);
-    test("abcde", 1, 1, "abcdefghij", 1, 4, -3);
-    test("abcde", 1, 1, "abcdefghij", 1, 8, -7);
-    test("abcde", 1, 1, "abcdefghij", 1, 9, -8);
-    test("abcde", 1, 1, "abcdefghij", 1, 10, -8);
-    test("abcde", 1, 1, "abcdefghij", 5, 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 5, 1, -4);
-    test("abcde", 1, 1, "abcdefghij", 5, 2, -4);
-    test("abcde", 1, 1, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 1, "abcdefghij", 5, 5, -4);
-    test("abcde", 1, 1, "abcdefghij", 5, 6, -4);
-    test("abcde", 1, 1, "abcdefghij", 9, 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 9, 1, -8);
-    test("abcde", 1, 1, "abcdefghij", 9, 2, -8);
-    test("abcde", 1, 1, "abcdefghij", 10, 0, 1);
-    test("abcde", 1, 1, "abcdefghij", 10, 1, 1);
-    test("abcde", 1, 1, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
+void test7() {
+  test("abcde", 1, 0, "abcdefghij", 1, 4, -4);
+  test("abcde", 1, 0, "abcdefghij", 1, 8, -8);
+  test("abcde", 1, 0, "abcdefghij", 1, 9, -9);
+  test("abcde", 1, 0, "abcdefghij", 1, 10, -9);
+  test("abcde", 1, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 5, 1, -1);
+  test("abcde", 1, 0, "abcdefghij", 5, 2, -2);
+  test("abcde", 1, 0, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 0, "abcdefghij", 5, 5, -5);
+  test("abcde", 1, 0, "abcdefghij", 5, 6, -5);
+  test("abcde", 1, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 9, 1, -1);
+  test("abcde", 1, 0, "abcdefghij", 9, 2, -1);
+  test("abcde", 1, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 1, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 1, 0, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 1, "", 0, 0, 1);
+  test("abcde", 1, 1, "", 0, 1, 1);
+  test("abcde", 1, 1, "", 1, 0, 0);
+  test("abcde", 1, 1, "abcde", 0, 0, 1);
+  test("abcde", 1, 1, "abcde", 0, 1, 1);
+  test("abcde", 1, 1, "abcde", 0, 2, 1);
+  test("abcde", 1, 1, "abcde", 0, 4, 1);
+  test("abcde", 1, 1, "abcde", 0, 5, 1);
+  test("abcde", 1, 1, "abcde", 0, 6, 1);
+  test("abcde", 1, 1, "abcde", 1, 0, 1);
+  test("abcde", 1, 1, "abcde", 1, 1, 0);
+  test("abcde", 1, 1, "abcde", 1, 2, -1);
+  test("abcde", 1, 1, "abcde", 1, 3, -2);
+  test("abcde", 1, 1, "abcde", 1, 4, -3);
+  test("abcde", 1, 1, "abcde", 1, 5, -3);
+  test("abcde", 1, 1, "abcde", 2, 0, 1);
+  test("abcde", 1, 1, "abcde", 2, 1, -1);
+  test("abcde", 1, 1, "abcde", 2, 2, -1);
+  test("abcde", 1, 1, "abcde", 2, 3, -1);
+  test("abcde", 1, 1, "abcde", 2, 4, -1);
+  test("abcde", 1, 1, "abcde", 4, 0, 1);
+  test("abcde", 1, 1, "abcde", 4, 1, -3);
+  test("abcde", 1, 1, "abcde", 4, 2, -3);
+  test("abcde", 1, 1, "abcde", 5, 0, 1);
+  test("abcde", 1, 1, "abcde", 5, 1, 1);
+  test("abcde", 1, 1, "abcde", 6, 0, 0);
+  test("abcde", 1, 1, "abcdefghij", 0, 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 1, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 5, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 9, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 10, 1);
+  test("abcde", 1, 1, "abcdefghij", 0, 11, 1);
+  test("abcde", 1, 1, "abcdefghij", 1, 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 1, 1, 0);
+  test("abcde", 1, 1, "abcdefghij", 1, 4, -3);
+  test("abcde", 1, 1, "abcdefghij", 1, 8, -7);
+  test("abcde", 1, 1, "abcdefghij", 1, 9, -8);
+  test("abcde", 1, 1, "abcdefghij", 1, 10, -8);
+  test("abcde", 1, 1, "abcdefghij", 5, 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 5, 1, -4);
+  test("abcde", 1, 1, "abcdefghij", 5, 2, -4);
+  test("abcde", 1, 1, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 1, "abcdefghij", 5, 5, -4);
+  test("abcde", 1, 1, "abcdefghij", 5, 6, -4);
+  test("abcde", 1, 1, "abcdefghij", 9, 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 9, 1, -8);
+  test("abcde", 1, 1, "abcdefghij", 9, 2, -8);
+  test("abcde", 1, 1, "abcdefghij", 10, 0, 1);
+  test("abcde", 1, 1, "abcdefghij", 10, 1, 1);
+  test("abcde", 1, 1, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
 }
 
-void test8()
-{
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcde", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 2, "", 0, 0, 2);
-    test("abcde", 1, 2, "", 0, 1, 2);
-    test("abcde", 1, 2, "", 1, 0, 0);
-    test("abcde", 1, 2, "abcde", 0, 0, 2);
-    test("abcde", 1, 2, "abcde", 0, 1, 1);
-    test("abcde", 1, 2, "abcde", 0, 2, 1);
-    test("abcde", 1, 2, "abcde", 0, 4, 1);
-    test("abcde", 1, 2, "abcde", 0, 5, 1);
-    test("abcde", 1, 2, "abcde", 0, 6, 1);
-    test("abcde", 1, 2, "abcde", 1, 0, 2);
-    test("abcde", 1, 2, "abcde", 1, 1, 1);
-    test("abcde", 1, 2, "abcde", 1, 2, 0);
-    test("abcde", 1, 2, "abcde", 1, 3, -1);
-    test("abcde", 1, 2, "abcde", 1, 4, -2);
-    test("abcde", 1, 2, "abcde", 1, 5, -2);
-    test("abcde", 1, 2, "abcde", 2, 0, 2);
-    test("abcde", 1, 2, "abcde", 2, 1, -1);
-    test("abcde", 1, 2, "abcde", 2, 2, -1);
-    test("abcde", 1, 2, "abcde", 2, 3, -1);
-    test("abcde", 1, 2, "abcde", 2, 4, -1);
-    test("abcde", 1, 2, "abcde", 4, 0, 2);
-    test("abcde", 1, 2, "abcde", 4, 1, -3);
-    test("abcde", 1, 2, "abcde", 4, 2, -3);
-    test("abcde", 1, 2, "abcde", 5, 0, 2);
-    test("abcde", 1, 2, "abcde", 5, 1, 2);
-    test("abcde", 1, 2, "abcde", 6, 0, 0);
-    test("abcde", 1, 2, "abcdefghij", 0, 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 0, 1, 1);
-    test("abcde", 1, 2, "abcdefghij", 0, 5, 1);
-    test("abcde", 1, 2, "abcdefghij", 0, 9, 1);
-    test("abcde", 1, 2, "abcdefghij", 0, 10, 1);
-    test("abcde", 1, 2, "abcdefghij", 0, 11, 1);
-    test("abcde", 1, 2, "abcdefghij", 1, 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 1, 1, 1);
-    test("abcde", 1, 2, "abcdefghij", 1, 4, -2);
-    test("abcde", 1, 2, "abcdefghij", 1, 8, -6);
-    test("abcde", 1, 2, "abcdefghij", 1, 9, -7);
-    test("abcde", 1, 2, "abcdefghij", 1, 10, -7);
-    test("abcde", 1, 2, "abcdefghij", 5, 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 5, 1, -4);
-    test("abcde", 1, 2, "abcdefghij", 5, 2, -4);
-    test("abcde", 1, 2, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 2, "abcdefghij", 5, 5, -4);
-    test("abcde", 1, 2, "abcdefghij", 5, 6, -4);
-    test("abcde", 1, 2, "abcdefghij", 9, 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 9, 1, -8);
-    test("abcde", 1, 2, "abcdefghij", 9, 2, -8);
-    test("abcde", 1, 2, "abcdefghij", 10, 0, 2);
-    test("abcde", 1, 2, "abcdefghij", 10, 1, 2);
-    test("abcde", 1, 2, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 1, 1);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 9, -7);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 18, -16);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 19, -17);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 20, -17);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 0, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 1, 2);
-    test("abcde", 1, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 3, "", 0, 0, 3);
-    test("abcde", 1, 3, "", 0, 1, 3);
-    test("abcde", 1, 3, "", 1, 0, 0);
-    test("abcde", 1, 3, "abcde", 0, 0, 3);
-    test("abcde", 1, 3, "abcde", 0, 1, 1);
-    test("abcde", 1, 3, "abcde", 0, 2, 1);
-    test("abcde", 1, 3, "abcde", 0, 4, 1);
-    test("abcde", 1, 3, "abcde", 0, 5, 1);
-    test("abcde", 1, 3, "abcde", 0, 6, 1);
-    test("abcde", 1, 3, "abcde", 1, 0, 3);
-    test("abcde", 1, 3, "abcde", 1, 1, 2);
-    test("abcde", 1, 3, "abcde", 1, 2, 1);
+void test8() {
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcde", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 2, "", 0, 0, 2);
+  test("abcde", 1, 2, "", 0, 1, 2);
+  test("abcde", 1, 2, "", 1, 0, 0);
+  test("abcde", 1, 2, "abcde", 0, 0, 2);
+  test("abcde", 1, 2, "abcde", 0, 1, 1);
+  test("abcde", 1, 2, "abcde", 0, 2, 1);
+  test("abcde", 1, 2, "abcde", 0, 4, 1);
+  test("abcde", 1, 2, "abcde", 0, 5, 1);
+  test("abcde", 1, 2, "abcde", 0, 6, 1);
+  test("abcde", 1, 2, "abcde", 1, 0, 2);
+  test("abcde", 1, 2, "abcde", 1, 1, 1);
+  test("abcde", 1, 2, "abcde", 1, 2, 0);
+  test("abcde", 1, 2, "abcde", 1, 3, -1);
+  test("abcde", 1, 2, "abcde", 1, 4, -2);
+  test("abcde", 1, 2, "abcde", 1, 5, -2);
+  test("abcde", 1, 2, "abcde", 2, 0, 2);
+  test("abcde", 1, 2, "abcde", 2, 1, -1);
+  test("abcde", 1, 2, "abcde", 2, 2, -1);
+  test("abcde", 1, 2, "abcde", 2, 3, -1);
+  test("abcde", 1, 2, "abcde", 2, 4, -1);
+  test("abcde", 1, 2, "abcde", 4, 0, 2);
+  test("abcde", 1, 2, "abcde", 4, 1, -3);
+  test("abcde", 1, 2, "abcde", 4, 2, -3);
+  test("abcde", 1, 2, "abcde", 5, 0, 2);
+  test("abcde", 1, 2, "abcde", 5, 1, 2);
+  test("abcde", 1, 2, "abcde", 6, 0, 0);
+  test("abcde", 1, 2, "abcdefghij", 0, 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 0, 1, 1);
+  test("abcde", 1, 2, "abcdefghij", 0, 5, 1);
+  test("abcde", 1, 2, "abcdefghij", 0, 9, 1);
+  test("abcde", 1, 2, "abcdefghij", 0, 10, 1);
+  test("abcde", 1, 2, "abcdefghij", 0, 11, 1);
+  test("abcde", 1, 2, "abcdefghij", 1, 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 1, 1, 1);
+  test("abcde", 1, 2, "abcdefghij", 1, 4, -2);
+  test("abcde", 1, 2, "abcdefghij", 1, 8, -6);
+  test("abcde", 1, 2, "abcdefghij", 1, 9, -7);
+  test("abcde", 1, 2, "abcdefghij", 1, 10, -7);
+  test("abcde", 1, 2, "abcdefghij", 5, 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 5, 1, -4);
+  test("abcde", 1, 2, "abcdefghij", 5, 2, -4);
+  test("abcde", 1, 2, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 2, "abcdefghij", 5, 5, -4);
+  test("abcde", 1, 2, "abcdefghij", 5, 6, -4);
+  test("abcde", 1, 2, "abcdefghij", 9, 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 9, 1, -8);
+  test("abcde", 1, 2, "abcdefghij", 9, 2, -8);
+  test("abcde", 1, 2, "abcdefghij", 10, 0, 2);
+  test("abcde", 1, 2, "abcdefghij", 10, 1, 2);
+  test("abcde", 1, 2, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 1, 1);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 9, -7);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 18, -16);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 19, -17);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 20, -17);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 0, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 1, 2);
+  test("abcde", 1, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 3, "", 0, 0, 3);
+  test("abcde", 1, 3, "", 0, 1, 3);
+  test("abcde", 1, 3, "", 1, 0, 0);
+  test("abcde", 1, 3, "abcde", 0, 0, 3);
+  test("abcde", 1, 3, "abcde", 0, 1, 1);
+  test("abcde", 1, 3, "abcde", 0, 2, 1);
+  test("abcde", 1, 3, "abcde", 0, 4, 1);
+  test("abcde", 1, 3, "abcde", 0, 5, 1);
+  test("abcde", 1, 3, "abcde", 0, 6, 1);
+  test("abcde", 1, 3, "abcde", 1, 0, 3);
+  test("abcde", 1, 3, "abcde", 1, 1, 2);
+  test("abcde", 1, 3, "abcde", 1, 2, 1);
 }
 
-void test9()
-{
-    test("abcde", 1, 3, "abcde", 1, 3, 0);
-    test("abcde", 1, 3, "abcde", 1, 4, -1);
-    test("abcde", 1, 3, "abcde", 1, 5, -1);
-    test("abcde", 1, 3, "abcde", 2, 0, 3);
-    test("abcde", 1, 3, "abcde", 2, 1, -1);
-    test("abcde", 1, 3, "abcde", 2, 2, -1);
-    test("abcde", 1, 3, "abcde", 2, 3, -1);
-    test("abcde", 1, 3, "abcde", 2, 4, -1);
-    test("abcde", 1, 3, "abcde", 4, 0, 3);
-    test("abcde", 1, 3, "abcde", 4, 1, -3);
-    test("abcde", 1, 3, "abcde", 4, 2, -3);
-    test("abcde", 1, 3, "abcde", 5, 0, 3);
-    test("abcde", 1, 3, "abcde", 5, 1, 3);
-    test("abcde", 1, 3, "abcde", 6, 0, 0);
-    test("abcde", 1, 3, "abcdefghij", 0, 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 0, 1, 1);
-    test("abcde", 1, 3, "abcdefghij", 0, 5, 1);
-    test("abcde", 1, 3, "abcdefghij", 0, 9, 1);
-    test("abcde", 1, 3, "abcdefghij", 0, 10, 1);
-    test("abcde", 1, 3, "abcdefghij", 0, 11, 1);
-    test("abcde", 1, 3, "abcdefghij", 1, 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 1, 1, 2);
-    test("abcde", 1, 3, "abcdefghij", 1, 4, -1);
-    test("abcde", 1, 3, "abcdefghij", 1, 8, -5);
-    test("abcde", 1, 3, "abcdefghij", 1, 9, -6);
-    test("abcde", 1, 3, "abcdefghij", 1, 10, -6);
-    test("abcde", 1, 3, "abcdefghij", 5, 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 5, 1, -4);
-    test("abcde", 1, 3, "abcdefghij", 5, 2, -4);
-    test("abcde", 1, 3, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 3, "abcdefghij", 5, 5, -4);
-    test("abcde", 1, 3, "abcdefghij", 5, 6, -4);
-    test("abcde", 1, 3, "abcdefghij", 9, 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 9, 1, -8);
-    test("abcde", 1, 3, "abcdefghij", 9, 2, -8);
-    test("abcde", 1, 3, "abcdefghij", 10, 0, 3);
-    test("abcde", 1, 3, "abcdefghij", 10, 1, 3);
-    test("abcde", 1, 3, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 1, 2);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 9, -6);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 18, -15);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 19, -16);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 20, -16);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 0, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 1, 3);
-    test("abcde", 1, 3, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 4, "", 0, 0, 4);
-    test("abcde", 1, 4, "", 0, 1, 4);
-    test("abcde", 1, 4, "", 1, 0, 0);
-    test("abcde", 1, 4, "abcde", 0, 0, 4);
-    test("abcde", 1, 4, "abcde", 0, 1, 1);
-    test("abcde", 1, 4, "abcde", 0, 2, 1);
-    test("abcde", 1, 4, "abcde", 0, 4, 1);
-    test("abcde", 1, 4, "abcde", 0, 5, 1);
-    test("abcde", 1, 4, "abcde", 0, 6, 1);
-    test("abcde", 1, 4, "abcde", 1, 0, 4);
-    test("abcde", 1, 4, "abcde", 1, 1, 3);
-    test("abcde", 1, 4, "abcde", 1, 2, 2);
-    test("abcde", 1, 4, "abcde", 1, 3, 1);
-    test("abcde", 1, 4, "abcde", 1, 4, 0);
-    test("abcde", 1, 4, "abcde", 1, 5, 0);
-    test("abcde", 1, 4, "abcde", 2, 0, 4);
-    test("abcde", 1, 4, "abcde", 2, 1, -1);
-    test("abcde", 1, 4, "abcde", 2, 2, -1);
-    test("abcde", 1, 4, "abcde", 2, 3, -1);
-    test("abcde", 1, 4, "abcde", 2, 4, -1);
-    test("abcde", 1, 4, "abcde", 4, 0, 4);
-    test("abcde", 1, 4, "abcde", 4, 1, -3);
-    test("abcde", 1, 4, "abcde", 4, 2, -3);
-    test("abcde", 1, 4, "abcde", 5, 0, 4);
-    test("abcde", 1, 4, "abcde", 5, 1, 4);
-    test("abcde", 1, 4, "abcde", 6, 0, 0);
-    test("abcde", 1, 4, "abcdefghij", 0, 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 0, 1, 1);
-    test("abcde", 1, 4, "abcdefghij", 0, 5, 1);
-    test("abcde", 1, 4, "abcdefghij", 0, 9, 1);
-    test("abcde", 1, 4, "abcdefghij", 0, 10, 1);
-    test("abcde", 1, 4, "abcdefghij", 0, 11, 1);
-    test("abcde", 1, 4, "abcdefghij", 1, 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 1, 1, 3);
-    test("abcde", 1, 4, "abcdefghij", 1, 4, 0);
-    test("abcde", 1, 4, "abcdefghij", 1, 8, -4);
-    test("abcde", 1, 4, "abcdefghij", 1, 9, -5);
-    test("abcde", 1, 4, "abcdefghij", 1, 10, -5);
+void test9() {
+  test("abcde", 1, 3, "abcde", 1, 3, 0);
+  test("abcde", 1, 3, "abcde", 1, 4, -1);
+  test("abcde", 1, 3, "abcde", 1, 5, -1);
+  test("abcde", 1, 3, "abcde", 2, 0, 3);
+  test("abcde", 1, 3, "abcde", 2, 1, -1);
+  test("abcde", 1, 3, "abcde", 2, 2, -1);
+  test("abcde", 1, 3, "abcde", 2, 3, -1);
+  test("abcde", 1, 3, "abcde", 2, 4, -1);
+  test("abcde", 1, 3, "abcde", 4, 0, 3);
+  test("abcde", 1, 3, "abcde", 4, 1, -3);
+  test("abcde", 1, 3, "abcde", 4, 2, -3);
+  test("abcde", 1, 3, "abcde", 5, 0, 3);
+  test("abcde", 1, 3, "abcde", 5, 1, 3);
+  test("abcde", 1, 3, "abcde", 6, 0, 0);
+  test("abcde", 1, 3, "abcdefghij", 0, 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 0, 1, 1);
+  test("abcde", 1, 3, "abcdefghij", 0, 5, 1);
+  test("abcde", 1, 3, "abcdefghij", 0, 9, 1);
+  test("abcde", 1, 3, "abcdefghij", 0, 10, 1);
+  test("abcde", 1, 3, "abcdefghij", 0, 11, 1);
+  test("abcde", 1, 3, "abcdefghij", 1, 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 1, 1, 2);
+  test("abcde", 1, 3, "abcdefghij", 1, 4, -1);
+  test("abcde", 1, 3, "abcdefghij", 1, 8, -5);
+  test("abcde", 1, 3, "abcdefghij", 1, 9, -6);
+  test("abcde", 1, 3, "abcdefghij", 1, 10, -6);
+  test("abcde", 1, 3, "abcdefghij", 5, 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 5, 1, -4);
+  test("abcde", 1, 3, "abcdefghij", 5, 2, -4);
+  test("abcde", 1, 3, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 3, "abcdefghij", 5, 5, -4);
+  test("abcde", 1, 3, "abcdefghij", 5, 6, -4);
+  test("abcde", 1, 3, "abcdefghij", 9, 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 9, 1, -8);
+  test("abcde", 1, 3, "abcdefghij", 9, 2, -8);
+  test("abcde", 1, 3, "abcdefghij", 10, 0, 3);
+  test("abcde", 1, 3, "abcdefghij", 10, 1, 3);
+  test("abcde", 1, 3, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 1, 2);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 9, -6);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 18, -15);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 19, -16);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 20, -16);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 0, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 1, 3);
+  test("abcde", 1, 3, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 4, "", 0, 0, 4);
+  test("abcde", 1, 4, "", 0, 1, 4);
+  test("abcde", 1, 4, "", 1, 0, 0);
+  test("abcde", 1, 4, "abcde", 0, 0, 4);
+  test("abcde", 1, 4, "abcde", 0, 1, 1);
+  test("abcde", 1, 4, "abcde", 0, 2, 1);
+  test("abcde", 1, 4, "abcde", 0, 4, 1);
+  test("abcde", 1, 4, "abcde", 0, 5, 1);
+  test("abcde", 1, 4, "abcde", 0, 6, 1);
+  test("abcde", 1, 4, "abcde", 1, 0, 4);
+  test("abcde", 1, 4, "abcde", 1, 1, 3);
+  test("abcde", 1, 4, "abcde", 1, 2, 2);
+  test("abcde", 1, 4, "abcde", 1, 3, 1);
+  test("abcde", 1, 4, "abcde", 1, 4, 0);
+  test("abcde", 1, 4, "abcde", 1, 5, 0);
+  test("abcde", 1, 4, "abcde", 2, 0, 4);
+  test("abcde", 1, 4, "abcde", 2, 1, -1);
+  test("abcde", 1, 4, "abcde", 2, 2, -1);
+  test("abcde", 1, 4, "abcde", 2, 3, -1);
+  test("abcde", 1, 4, "abcde", 2, 4, -1);
+  test("abcde", 1, 4, "abcde", 4, 0, 4);
+  test("abcde", 1, 4, "abcde", 4, 1, -3);
+  test("abcde", 1, 4, "abcde", 4, 2, -3);
+  test("abcde", 1, 4, "abcde", 5, 0, 4);
+  test("abcde", 1, 4, "abcde", 5, 1, 4);
+  test("abcde", 1, 4, "abcde", 6, 0, 0);
+  test("abcde", 1, 4, "abcdefghij", 0, 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 0, 1, 1);
+  test("abcde", 1, 4, "abcdefghij", 0, 5, 1);
+  test("abcde", 1, 4, "abcdefghij", 0, 9, 1);
+  test("abcde", 1, 4, "abcdefghij", 0, 10, 1);
+  test("abcde", 1, 4, "abcdefghij", 0, 11, 1);
+  test("abcde", 1, 4, "abcdefghij", 1, 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 1, 1, 3);
+  test("abcde", 1, 4, "abcdefghij", 1, 4, 0);
+  test("abcde", 1, 4, "abcdefghij", 1, 8, -4);
+  test("abcde", 1, 4, "abcdefghij", 1, 9, -5);
+  test("abcde", 1, 4, "abcdefghij", 1, 10, -5);
 }
 
-void test10()
-{
-    test("abcde", 1, 4, "abcdefghij", 5, 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 5, 1, -4);
-    test("abcde", 1, 4, "abcdefghij", 5, 2, -4);
-    test("abcde", 1, 4, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 4, "abcdefghij", 5, 5, -4);
-    test("abcde", 1, 4, "abcdefghij", 5, 6, -4);
-    test("abcde", 1, 4, "abcdefghij", 9, 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 9, 1, -8);
-    test("abcde", 1, 4, "abcdefghij", 9, 2, -8);
-    test("abcde", 1, 4, "abcdefghij", 10, 0, 4);
-    test("abcde", 1, 4, "abcdefghij", 10, 1, 4);
-    test("abcde", 1, 4, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
-    test("abcde", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 1, 5, "", 0, 0, 4);
-    test("abcde", 1, 5, "", 0, 1, 4);
-    test("abcde", 1, 5, "", 1, 0, 0);
-    test("abcde", 1, 5, "abcde", 0, 0, 4);
-    test("abcde", 1, 5, "abcde", 0, 1, 1);
-    test("abcde", 1, 5, "abcde", 0, 2, 1);
-    test("abcde", 1, 5, "abcde", 0, 4, 1);
-    test("abcde", 1, 5, "abcde", 0, 5, 1);
-    test("abcde", 1, 5, "abcde", 0, 6, 1);
-    test("abcde", 1, 5, "abcde", 1, 0, 4);
-    test("abcde", 1, 5, "abcde", 1, 1, 3);
-    test("abcde", 1, 5, "abcde", 1, 2, 2);
-    test("abcde", 1, 5, "abcde", 1, 3, 1);
-    test("abcde", 1, 5, "abcde", 1, 4, 0);
-    test("abcde", 1, 5, "abcde", 1, 5, 0);
-    test("abcde", 1, 5, "abcde", 2, 0, 4);
-    test("abcde", 1, 5, "abcde", 2, 1, -1);
-    test("abcde", 1, 5, "abcde", 2, 2, -1);
-    test("abcde", 1, 5, "abcde", 2, 3, -1);
-    test("abcde", 1, 5, "abcde", 2, 4, -1);
-    test("abcde", 1, 5, "abcde", 4, 0, 4);
-    test("abcde", 1, 5, "abcde", 4, 1, -3);
-    test("abcde", 1, 5, "abcde", 4, 2, -3);
-    test("abcde", 1, 5, "abcde", 5, 0, 4);
-    test("abcde", 1, 5, "abcde", 5, 1, 4);
-    test("abcde", 1, 5, "abcde", 6, 0, 0);
-    test("abcde", 1, 5, "abcdefghij", 0, 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 0, 1, 1);
-    test("abcde", 1, 5, "abcdefghij", 0, 5, 1);
-    test("abcde", 1, 5, "abcdefghij", 0, 9, 1);
-    test("abcde", 1, 5, "abcdefghij", 0, 10, 1);
-    test("abcde", 1, 5, "abcdefghij", 0, 11, 1);
-    test("abcde", 1, 5, "abcdefghij", 1, 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 1, 1, 3);
-    test("abcde", 1, 5, "abcdefghij", 1, 4, 0);
-    test("abcde", 1, 5, "abcdefghij", 1, 8, -4);
-    test("abcde", 1, 5, "abcdefghij", 1, 9, -5);
-    test("abcde", 1, 5, "abcdefghij", 1, 10, -5);
-    test("abcde", 1, 5, "abcdefghij", 5, 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 5, 1, -4);
-    test("abcde", 1, 5, "abcdefghij", 5, 2, -4);
-    test("abcde", 1, 5, "abcdefghij", 5, 4, -4);
-    test("abcde", 1, 5, "abcdefghij", 5, 5, -4);
-    test("abcde", 1, 5, "abcdefghij", 5, 6, -4);
-    test("abcde", 1, 5, "abcdefghij", 9, 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 9, 1, -8);
-    test("abcde", 1, 5, "abcdefghij", 9, 2, -8);
-    test("abcde", 1, 5, "abcdefghij", 10, 0, 4);
-    test("abcde", 1, 5, "abcdefghij", 10, 1, 4);
-    test("abcde", 1, 5, "abcdefghij", 11, 0, 0);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 1, 3);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 9, -5);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 18, -14);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 19, -15);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 20, -15);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 1, -9);
+void test10() {
+  test("abcde", 1, 4, "abcdefghij", 5, 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 5, 1, -4);
+  test("abcde", 1, 4, "abcdefghij", 5, 2, -4);
+  test("abcde", 1, 4, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 4, "abcdefghij", 5, 5, -4);
+  test("abcde", 1, 4, "abcdefghij", 5, 6, -4);
+  test("abcde", 1, 4, "abcdefghij", 9, 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 9, 1, -8);
+  test("abcde", 1, 4, "abcdefghij", 9, 2, -8);
+  test("abcde", 1, 4, "abcdefghij", 10, 0, 4);
+  test("abcde", 1, 4, "abcdefghij", 10, 1, 4);
+  test("abcde", 1, 4, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
+  test("abcde", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 1, 5, "", 0, 0, 4);
+  test("abcde", 1, 5, "", 0, 1, 4);
+  test("abcde", 1, 5, "", 1, 0, 0);
+  test("abcde", 1, 5, "abcde", 0, 0, 4);
+  test("abcde", 1, 5, "abcde", 0, 1, 1);
+  test("abcde", 1, 5, "abcde", 0, 2, 1);
+  test("abcde", 1, 5, "abcde", 0, 4, 1);
+  test("abcde", 1, 5, "abcde", 0, 5, 1);
+  test("abcde", 1, 5, "abcde", 0, 6, 1);
+  test("abcde", 1, 5, "abcde", 1, 0, 4);
+  test("abcde", 1, 5, "abcde", 1, 1, 3);
+  test("abcde", 1, 5, "abcde", 1, 2, 2);
+  test("abcde", 1, 5, "abcde", 1, 3, 1);
+  test("abcde", 1, 5, "abcde", 1, 4, 0);
+  test("abcde", 1, 5, "abcde", 1, 5, 0);
+  test("abcde", 1, 5, "abcde", 2, 0, 4);
+  test("abcde", 1, 5, "abcde", 2, 1, -1);
+  test("abcde", 1, 5, "abcde", 2, 2, -1);
+  test("abcde", 1, 5, "abcde", 2, 3, -1);
+  test("abcde", 1, 5, "abcde", 2, 4, -1);
+  test("abcde", 1, 5, "abcde", 4, 0, 4);
+  test("abcde", 1, 5, "abcde", 4, 1, -3);
+  test("abcde", 1, 5, "abcde", 4, 2, -3);
+  test("abcde", 1, 5, "abcde", 5, 0, 4);
+  test("abcde", 1, 5, "abcde", 5, 1, 4);
+  test("abcde", 1, 5, "abcde", 6, 0, 0);
+  test("abcde", 1, 5, "abcdefghij", 0, 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 0, 1, 1);
+  test("abcde", 1, 5, "abcdefghij", 0, 5, 1);
+  test("abcde", 1, 5, "abcdefghij", 0, 9, 1);
+  test("abcde", 1, 5, "abcdefghij", 0, 10, 1);
+  test("abcde", 1, 5, "abcdefghij", 0, 11, 1);
+  test("abcde", 1, 5, "abcdefghij", 1, 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 1, 1, 3);
+  test("abcde", 1, 5, "abcdefghij", 1, 4, 0);
+  test("abcde", 1, 5, "abcdefghij", 1, 8, -4);
+  test("abcde", 1, 5, "abcdefghij", 1, 9, -5);
+  test("abcde", 1, 5, "abcdefghij", 1, 10, -5);
+  test("abcde", 1, 5, "abcdefghij", 5, 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 5, 1, -4);
+  test("abcde", 1, 5, "abcdefghij", 5, 2, -4);
+  test("abcde", 1, 5, "abcdefghij", 5, 4, -4);
+  test("abcde", 1, 5, "abcdefghij", 5, 5, -4);
+  test("abcde", 1, 5, "abcdefghij", 5, 6, -4);
+  test("abcde", 1, 5, "abcdefghij", 9, 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 9, 1, -8);
+  test("abcde", 1, 5, "abcdefghij", 9, 2, -8);
+  test("abcde", 1, 5, "abcdefghij", 10, 0, 4);
+  test("abcde", 1, 5, "abcdefghij", 10, 1, 4);
+  test("abcde", 1, 5, "abcdefghij", 11, 0, 0);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 1, 3);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 9, -5);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 18, -14);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 19, -15);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 20, -15);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 1, -9);
 }
 
-void test11()
-{
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 0, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 1, 4);
-    test("abcde", 1, 5, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 2, 0, "", 0, 0, 0);
-    test("abcde", 2, 0, "", 0, 1, 0);
-    test("abcde", 2, 0, "", 1, 0, 0);
-    test("abcde", 2, 0, "abcde", 0, 0, 0);
-    test("abcde", 2, 0, "abcde", 0, 1, -1);
-    test("abcde", 2, 0, "abcde", 0, 2, -2);
-    test("abcde", 2, 0, "abcde", 0, 4, -4);
-    test("abcde", 2, 0, "abcde", 0, 5, -5);
-    test("abcde", 2, 0, "abcde", 0, 6, -5);
-    test("abcde", 2, 0, "abcde", 1, 0, 0);
-    test("abcde", 2, 0, "abcde", 1, 1, -1);
-    test("abcde", 2, 0, "abcde", 1, 2, -2);
-    test("abcde", 2, 0, "abcde", 1, 3, -3);
-    test("abcde", 2, 0, "abcde", 1, 4, -4);
-    test("abcde", 2, 0, "abcde", 1, 5, -4);
-    test("abcde", 2, 0, "abcde", 2, 0, 0);
-    test("abcde", 2, 0, "abcde", 2, 1, -1);
-    test("abcde", 2, 0, "abcde", 2, 2, -2);
-    test("abcde", 2, 0, "abcde", 2, 3, -3);
-    test("abcde", 2, 0, "abcde", 2, 4, -3);
-    test("abcde", 2, 0, "abcde", 4, 0, 0);
-    test("abcde", 2, 0, "abcde", 4, 1, -1);
-    test("abcde", 2, 0, "abcde", 4, 2, -1);
-    test("abcde", 2, 0, "abcde", 5, 0, 0);
-    test("abcde", 2, 0, "abcde", 5, 1, 0);
-    test("abcde", 2, 0, "abcde", 6, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 0, 1, -1);
-    test("abcde", 2, 0, "abcdefghij", 0, 5, -5);
-    test("abcde", 2, 0, "abcdefghij", 0, 9, -9);
-    test("abcde", 2, 0, "abcdefghij", 0, 10, -10);
-    test("abcde", 2, 0, "abcdefghij", 0, 11, -10);
-    test("abcde", 2, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 1, 1, -1);
-    test("abcde", 2, 0, "abcdefghij", 1, 4, -4);
-    test("abcde", 2, 0, "abcdefghij", 1, 8, -8);
-    test("abcde", 2, 0, "abcdefghij", 1, 9, -9);
-    test("abcde", 2, 0, "abcdefghij", 1, 10, -9);
-    test("abcde", 2, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 5, 1, -1);
-    test("abcde", 2, 0, "abcdefghij", 5, 2, -2);
-    test("abcde", 2, 0, "abcdefghij", 5, 4, -4);
-    test("abcde", 2, 0, "abcdefghij", 5, 5, -5);
-    test("abcde", 2, 0, "abcdefghij", 5, 6, -5);
-    test("abcde", 2, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 9, 1, -1);
-    test("abcde", 2, 0, "abcdefghij", 9, 2, -1);
-    test("abcde", 2, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 2, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 2, 0, "abcdefghij", 11, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 2, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 2, 1, "", 0, 0, 1);
-    test("abcde", 2, 1, "", 0, 1, 1);
-    test("abcde", 2, 1, "", 1, 0, 0);
-    test("abcde", 2, 1, "abcde", 0, 0, 1);
-    test("abcde", 2, 1, "abcde", 0, 1, 2);
-    test("abcde", 2, 1, "abcde", 0, 2, 2);
-    test("abcde", 2, 1, "abcde", 0, 4, 2);
-    test("abcde", 2, 1, "abcde", 0, 5, 2);
-    test("abcde", 2, 1, "abcde", 0, 6, 2);
-    test("abcde", 2, 1, "abcde", 1, 0, 1);
-    test("abcde", 2, 1, "abcde", 1, 1, 1);
-    test("abcde", 2, 1, "abcde", 1, 2, 1);
-    test("abcde", 2, 1, "abcde", 1, 3, 1);
-    test("abcde", 2, 1, "abcde", 1, 4, 1);
-    test("abcde", 2, 1, "abcde", 1, 5, 1);
-    test("abcde", 2, 1, "abcde", 2, 0, 1);
+void test11() {
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 0, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 1, 4);
+  test("abcde", 1, 5, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 2, 0, "", 0, 0, 0);
+  test("abcde", 2, 0, "", 0, 1, 0);
+  test("abcde", 2, 0, "", 1, 0, 0);
+  test("abcde", 2, 0, "abcde", 0, 0, 0);
+  test("abcde", 2, 0, "abcde", 0, 1, -1);
+  test("abcde", 2, 0, "abcde", 0, 2, -2);
+  test("abcde", 2, 0, "abcde", 0, 4, -4);
+  test("abcde", 2, 0, "abcde", 0, 5, -5);
+  test("abcde", 2, 0, "abcde", 0, 6, -5);
+  test("abcde", 2, 0, "abcde", 1, 0, 0);
+  test("abcde", 2, 0, "abcde", 1, 1, -1);
+  test("abcde", 2, 0, "abcde", 1, 2, -2);
+  test("abcde", 2, 0, "abcde", 1, 3, -3);
+  test("abcde", 2, 0, "abcde", 1, 4, -4);
+  test("abcde", 2, 0, "abcde", 1, 5, -4);
+  test("abcde", 2, 0, "abcde", 2, 0, 0);
+  test("abcde", 2, 0, "abcde", 2, 1, -1);
+  test("abcde", 2, 0, "abcde", 2, 2, -2);
+  test("abcde", 2, 0, "abcde", 2, 3, -3);
+  test("abcde", 2, 0, "abcde", 2, 4, -3);
+  test("abcde", 2, 0, "abcde", 4, 0, 0);
+  test("abcde", 2, 0, "abcde", 4, 1, -1);
+  test("abcde", 2, 0, "abcde", 4, 2, -1);
+  test("abcde", 2, 0, "abcde", 5, 0, 0);
+  test("abcde", 2, 0, "abcde", 5, 1, 0);
+  test("abcde", 2, 0, "abcde", 6, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 0, 1, -1);
+  test("abcde", 2, 0, "abcdefghij", 0, 5, -5);
+  test("abcde", 2, 0, "abcdefghij", 0, 9, -9);
+  test("abcde", 2, 0, "abcdefghij", 0, 10, -10);
+  test("abcde", 2, 0, "abcdefghij", 0, 11, -10);
+  test("abcde", 2, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 1, 1, -1);
+  test("abcde", 2, 0, "abcdefghij", 1, 4, -4);
+  test("abcde", 2, 0, "abcdefghij", 1, 8, -8);
+  test("abcde", 2, 0, "abcdefghij", 1, 9, -9);
+  test("abcde", 2, 0, "abcdefghij", 1, 10, -9);
+  test("abcde", 2, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 5, 1, -1);
+  test("abcde", 2, 0, "abcdefghij", 5, 2, -2);
+  test("abcde", 2, 0, "abcdefghij", 5, 4, -4);
+  test("abcde", 2, 0, "abcdefghij", 5, 5, -5);
+  test("abcde", 2, 0, "abcdefghij", 5, 6, -5);
+  test("abcde", 2, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 9, 1, -1);
+  test("abcde", 2, 0, "abcdefghij", 9, 2, -1);
+  test("abcde", 2, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 2, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 2, 0, "abcdefghij", 11, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 2, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 2, 1, "", 0, 0, 1);
+  test("abcde", 2, 1, "", 0, 1, 1);
+  test("abcde", 2, 1, "", 1, 0, 0);
+  test("abcde", 2, 1, "abcde", 0, 0, 1);
+  test("abcde", 2, 1, "abcde", 0, 1, 2);
+  test("abcde", 2, 1, "abcde", 0, 2, 2);
+  test("abcde", 2, 1, "abcde", 0, 4, 2);
+  test("abcde", 2, 1, "abcde", 0, 5, 2);
+  test("abcde", 2, 1, "abcde", 0, 6, 2);
+  test("abcde", 2, 1, "abcde", 1, 0, 1);
+  test("abcde", 2, 1, "abcde", 1, 1, 1);
+  test("abcde", 2, 1, "abcde", 1, 2, 1);
+  test("abcde", 2, 1, "abcde", 1, 3, 1);
+  test("abcde", 2, 1, "abcde", 1, 4, 1);
+  test("abcde", 2, 1, "abcde", 1, 5, 1);
+  test("abcde", 2, 1, "abcde", 2, 0, 1);
 }
 
-void test12()
-{
-    test("abcde", 2, 1, "abcde", 2, 1, 0);
-    test("abcde", 2, 1, "abcde", 2, 2, -1);
-    test("abcde", 2, 1, "abcde", 2, 3, -2);
-    test("abcde", 2, 1, "abcde", 2, 4, -2);
-    test("abcde", 2, 1, "abcde", 4, 0, 1);
-    test("abcde", 2, 1, "abcde", 4, 1, -2);
-    test("abcde", 2, 1, "abcde", 4, 2, -2);
-    test("abcde", 2, 1, "abcde", 5, 0, 1);
-    test("abcde", 2, 1, "abcde", 5, 1, 1);
-    test("abcde", 2, 1, "abcde", 6, 0, 0);
-    test("abcde", 2, 1, "abcdefghij", 0, 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 0, 1, 2);
-    test("abcde", 2, 1, "abcdefghij", 0, 5, 2);
-    test("abcde", 2, 1, "abcdefghij", 0, 9, 2);
-    test("abcde", 2, 1, "abcdefghij", 0, 10, 2);
-    test("abcde", 2, 1, "abcdefghij", 0, 11, 2);
-    test("abcde", 2, 1, "abcdefghij", 1, 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 1, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 4, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 8, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 9, 1);
-    test("abcde", 2, 1, "abcdefghij", 1, 10, 1);
-    test("abcde", 2, 1, "abcdefghij", 5, 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 5, 1, -3);
-    test("abcde", 2, 1, "abcdefghij", 5, 2, -3);
-    test("abcde", 2, 1, "abcdefghij", 5, 4, -3);
-    test("abcde", 2, 1, "abcdefghij", 5, 5, -3);
-    test("abcde", 2, 1, "abcdefghij", 5, 6, -3);
-    test("abcde", 2, 1, "abcdefghij", 9, 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 9, 1, -7);
-    test("abcde", 2, 1, "abcdefghij", 9, 2, -7);
-    test("abcde", 2, 1, "abcdefghij", 10, 0, 1);
-    test("abcde", 2, 1, "abcdefghij", 10, 1, 1);
-    test("abcde", 2, 1, "abcdefghij", 11, 0, 0);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 1, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 10, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 19, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 20, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 21, 2);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 1, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 9, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 18, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 19, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 20, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 1, -8);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 5, -8);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 9, -8);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 10, -8);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 11, -8);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 1, -17);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 2, -17);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcde", 2, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 2, 2, "", 0, 0, 2);
-    test("abcde", 2, 2, "", 0, 1, 2);
-    test("abcde", 2, 2, "", 1, 0, 0);
-    test("abcde", 2, 2, "abcde", 0, 0, 2);
-    test("abcde", 2, 2, "abcde", 0, 1, 2);
-    test("abcde", 2, 2, "abcde", 0, 2, 2);
-    test("abcde", 2, 2, "abcde", 0, 4, 2);
-    test("abcde", 2, 2, "abcde", 0, 5, 2);
-    test("abcde", 2, 2, "abcde", 0, 6, 2);
-    test("abcde", 2, 2, "abcde", 1, 0, 2);
-    test("abcde", 2, 2, "abcde", 1, 1, 1);
-    test("abcde", 2, 2, "abcde", 1, 2, 1);
-    test("abcde", 2, 2, "abcde", 1, 3, 1);
-    test("abcde", 2, 2, "abcde", 1, 4, 1);
-    test("abcde", 2, 2, "abcde", 1, 5, 1);
-    test("abcde", 2, 2, "abcde", 2, 0, 2);
-    test("abcde", 2, 2, "abcde", 2, 1, 1);
-    test("abcde", 2, 2, "abcde", 2, 2, 0);
-    test("abcde", 2, 2, "abcde", 2, 3, -1);
-    test("abcde", 2, 2, "abcde", 2, 4, -1);
-    test("abcde", 2, 2, "abcde", 4, 0, 2);
-    test("abcde", 2, 2, "abcde", 4, 1, -2);
-    test("abcde", 2, 2, "abcde", 4, 2, -2);
-    test("abcde", 2, 2, "abcde", 5, 0, 2);
-    test("abcde", 2, 2, "abcde", 5, 1, 2);
-    test("abcde", 2, 2, "abcde", 6, 0, 0);
-    test("abcde", 2, 2, "abcdefghij", 0, 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 1, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 5, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 9, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 10, 2);
-    test("abcde", 2, 2, "abcdefghij", 0, 11, 2);
-    test("abcde", 2, 2, "abcdefghij", 1, 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 1, 1, 1);
-    test("abcde", 2, 2, "abcdefghij", 1, 4, 1);
-    test("abcde", 2, 2, "abcdefghij", 1, 8, 1);
-    test("abcde", 2, 2, "abcdefghij", 1, 9, 1);
-    test("abcde", 2, 2, "abcdefghij", 1, 10, 1);
-    test("abcde", 2, 2, "abcdefghij", 5, 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 5, 1, -3);
-    test("abcde", 2, 2, "abcdefghij", 5, 2, -3);
-    test("abcde", 2, 2, "abcdefghij", 5, 4, -3);
+void test12() {
+  test("abcde", 2, 1, "abcde", 2, 1, 0);
+  test("abcde", 2, 1, "abcde", 2, 2, -1);
+  test("abcde", 2, 1, "abcde", 2, 3, -2);
+  test("abcde", 2, 1, "abcde", 2, 4, -2);
+  test("abcde", 2, 1, "abcde", 4, 0, 1);
+  test("abcde", 2, 1, "abcde", 4, 1, -2);
+  test("abcde", 2, 1, "abcde", 4, 2, -2);
+  test("abcde", 2, 1, "abcde", 5, 0, 1);
+  test("abcde", 2, 1, "abcde", 5, 1, 1);
+  test("abcde", 2, 1, "abcde", 6, 0, 0);
+  test("abcde", 2, 1, "abcdefghij", 0, 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 0, 1, 2);
+  test("abcde", 2, 1, "abcdefghij", 0, 5, 2);
+  test("abcde", 2, 1, "abcdefghij", 0, 9, 2);
+  test("abcde", 2, 1, "abcdefghij", 0, 10, 2);
+  test("abcde", 2, 1, "abcdefghij", 0, 11, 2);
+  test("abcde", 2, 1, "abcdefghij", 1, 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 1, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 4, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 8, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 9, 1);
+  test("abcde", 2, 1, "abcdefghij", 1, 10, 1);
+  test("abcde", 2, 1, "abcdefghij", 5, 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 5, 1, -3);
+  test("abcde", 2, 1, "abcdefghij", 5, 2, -3);
+  test("abcde", 2, 1, "abcdefghij", 5, 4, -3);
+  test("abcde", 2, 1, "abcdefghij", 5, 5, -3);
+  test("abcde", 2, 1, "abcdefghij", 5, 6, -3);
+  test("abcde", 2, 1, "abcdefghij", 9, 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 9, 1, -7);
+  test("abcde", 2, 1, "abcdefghij", 9, 2, -7);
+  test("abcde", 2, 1, "abcdefghij", 10, 0, 1);
+  test("abcde", 2, 1, "abcdefghij", 10, 1, 1);
+  test("abcde", 2, 1, "abcdefghij", 11, 0, 0);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 1, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 10, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 19, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 20, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 21, 2);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 1, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 9, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 18, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 19, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 20, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 1, -8);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 5, -8);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 9, -8);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 10, -8);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 11, -8);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 1, -17);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 2, -17);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcde", 2, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 2, 2, "", 0, 0, 2);
+  test("abcde", 2, 2, "", 0, 1, 2);
+  test("abcde", 2, 2, "", 1, 0, 0);
+  test("abcde", 2, 2, "abcde", 0, 0, 2);
+  test("abcde", 2, 2, "abcde", 0, 1, 2);
+  test("abcde", 2, 2, "abcde", 0, 2, 2);
+  test("abcde", 2, 2, "abcde", 0, 4, 2);
+  test("abcde", 2, 2, "abcde", 0, 5, 2);
+  test("abcde", 2, 2, "abcde", 0, 6, 2);
+  test("abcde", 2, 2, "abcde", 1, 0, 2);
+  test("abcde", 2, 2, "abcde", 1, 1, 1);
+  test("abcde", 2, 2, "abcde", 1, 2, 1);
+  test("abcde", 2, 2, "abcde", 1, 3, 1);
+  test("abcde", 2, 2, "abcde", 1, 4, 1);
+  test("abcde", 2, 2, "abcde", 1, 5, 1);
+  test("abcde", 2, 2, "abcde", 2, 0, 2);
+  test("abcde", 2, 2, "abcde", 2, 1, 1);
+  test("abcde", 2, 2, "abcde", 2, 2, 0);
+  test("abcde", 2, 2, "abcde", 2, 3, -1);
+  test("abcde", 2, 2, "abcde", 2, 4, -1);
+  test("abcde", 2, 2, "abcde", 4, 0, 2);
+  test("abcde", 2, 2, "abcde", 4, 1, -2);
+  test("abcde", 2, 2, "abcde", 4, 2, -2);
+  test("abcde", 2, 2, "abcde", 5, 0, 2);
+  test("abcde", 2, 2, "abcde", 5, 1, 2);
+  test("abcde", 2, 2, "abcde", 6, 0, 0);
+  test("abcde", 2, 2, "abcdefghij", 0, 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 1, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 5, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 9, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 10, 2);
+  test("abcde", 2, 2, "abcdefghij", 0, 11, 2);
+  test("abcde", 2, 2, "abcdefghij", 1, 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 1, 1, 1);
+  test("abcde", 2, 2, "abcdefghij", 1, 4, 1);
+  test("abcde", 2, 2, "abcdefghij", 1, 8, 1);
+  test("abcde", 2, 2, "abcdefghij", 1, 9, 1);
+  test("abcde", 2, 2, "abcdefghij", 1, 10, 1);
+  test("abcde", 2, 2, "abcdefghij", 5, 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 5, 1, -3);
+  test("abcde", 2, 2, "abcdefghij", 5, 2, -3);
+  test("abcde", 2, 2, "abcdefghij", 5, 4, -3);
 }
 
-void test13()
-{
-    test("abcde", 2, 2, "abcdefghij", 5, 5, -3);
-    test("abcde", 2, 2, "abcdefghij", 5, 6, -3);
-    test("abcde", 2, 2, "abcdefghij", 9, 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 9, 1, -7);
-    test("abcde", 2, 2, "abcdefghij", 9, 2, -7);
-    test("abcde", 2, 2, "abcdefghij", 10, 0, 2);
-    test("abcde", 2, 2, "abcdefghij", 10, 1, 2);
-    test("abcde", 2, 2, "abcdefghij", 11, 0, 0);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 1, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 10, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 19, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 20, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 21, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 1, 1);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 9, 1);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 18, 1);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 19, 1);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 20, 1);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 1, -8);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 5, -8);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 9, -8);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 10, -8);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 11, -8);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 1, -17);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 2, -17);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 0, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 1, 2);
-    test("abcde", 2, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 2, 3, "", 0, 0, 3);
-    test("abcde", 2, 3, "", 0, 1, 3);
-    test("abcde", 2, 3, "", 1, 0, 0);
-    test("abcde", 2, 3, "abcde", 0, 0, 3);
-    test("abcde", 2, 3, "abcde", 0, 1, 2);
-    test("abcde", 2, 3, "abcde", 0, 2, 2);
-    test("abcde", 2, 3, "abcde", 0, 4, 2);
-    test("abcde", 2, 3, "abcde", 0, 5, 2);
-    test("abcde", 2, 3, "abcde", 0, 6, 2);
-    test("abcde", 2, 3, "abcde", 1, 0, 3);
-    test("abcde", 2, 3, "abcde", 1, 1, 1);
-    test("abcde", 2, 3, "abcde", 1, 2, 1);
-    test("abcde", 2, 3, "abcde", 1, 3, 1);
-    test("abcde", 2, 3, "abcde", 1, 4, 1);
-    test("abcde", 2, 3, "abcde", 1, 5, 1);
-    test("abcde", 2, 3, "abcde", 2, 0, 3);
-    test("abcde", 2, 3, "abcde", 2, 1, 2);
-    test("abcde", 2, 3, "abcde", 2, 2, 1);
-    test("abcde", 2, 3, "abcde", 2, 3, 0);
-    test("abcde", 2, 3, "abcde", 2, 4, 0);
-    test("abcde", 2, 3, "abcde", 4, 0, 3);
-    test("abcde", 2, 3, "abcde", 4, 1, -2);
-    test("abcde", 2, 3, "abcde", 4, 2, -2);
-    test("abcde", 2, 3, "abcde", 5, 0, 3);
-    test("abcde", 2, 3, "abcde", 5, 1, 3);
-    test("abcde", 2, 3, "abcde", 6, 0, 0);
-    test("abcde", 2, 3, "abcdefghij", 0, 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 0, 1, 2);
-    test("abcde", 2, 3, "abcdefghij", 0, 5, 2);
-    test("abcde", 2, 3, "abcdefghij", 0, 9, 2);
-    test("abcde", 2, 3, "abcdefghij", 0, 10, 2);
-    test("abcde", 2, 3, "abcdefghij", 0, 11, 2);
-    test("abcde", 2, 3, "abcdefghij", 1, 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 1, 1, 1);
-    test("abcde", 2, 3, "abcdefghij", 1, 4, 1);
-    test("abcde", 2, 3, "abcdefghij", 1, 8, 1);
-    test("abcde", 2, 3, "abcdefghij", 1, 9, 1);
-    test("abcde", 2, 3, "abcdefghij", 1, 10, 1);
-    test("abcde", 2, 3, "abcdefghij", 5, 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 5, 1, -3);
-    test("abcde", 2, 3, "abcdefghij", 5, 2, -3);
-    test("abcde", 2, 3, "abcdefghij", 5, 4, -3);
-    test("abcde", 2, 3, "abcdefghij", 5, 5, -3);
-    test("abcde", 2, 3, "abcdefghij", 5, 6, -3);
-    test("abcde", 2, 3, "abcdefghij", 9, 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 9, 1, -7);
-    test("abcde", 2, 3, "abcdefghij", 9, 2, -7);
-    test("abcde", 2, 3, "abcdefghij", 10, 0, 3);
-    test("abcde", 2, 3, "abcdefghij", 10, 1, 3);
-    test("abcde", 2, 3, "abcdefghij", 11, 0, 0);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 0, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 1, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 10, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 19, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 20, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 21, 2);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 0, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 1, 1);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 9, 1);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 18, 1);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 19, 1);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 20, 1);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 0, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 1, -8);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 5, -8);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 9, -8);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 10, -8);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 11, -8);
+void test13() {
+  test("abcde", 2, 2, "abcdefghij", 5, 5, -3);
+  test("abcde", 2, 2, "abcdefghij", 5, 6, -3);
+  test("abcde", 2, 2, "abcdefghij", 9, 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 9, 1, -7);
+  test("abcde", 2, 2, "abcdefghij", 9, 2, -7);
+  test("abcde", 2, 2, "abcdefghij", 10, 0, 2);
+  test("abcde", 2, 2, "abcdefghij", 10, 1, 2);
+  test("abcde", 2, 2, "abcdefghij", 11, 0, 0);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 1, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 10, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 19, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 20, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 21, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 1, 1);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 9, 1);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 18, 1);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 19, 1);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 20, 1);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 1, -8);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 5, -8);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 9, -8);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 10, -8);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 11, -8);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 1, -17);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 2, -17);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 0, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 1, 2);
+  test("abcde", 2, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 2, 3, "", 0, 0, 3);
+  test("abcde", 2, 3, "", 0, 1, 3);
+  test("abcde", 2, 3, "", 1, 0, 0);
+  test("abcde", 2, 3, "abcde", 0, 0, 3);
+  test("abcde", 2, 3, "abcde", 0, 1, 2);
+  test("abcde", 2, 3, "abcde", 0, 2, 2);
+  test("abcde", 2, 3, "abcde", 0, 4, 2);
+  test("abcde", 2, 3, "abcde", 0, 5, 2);
+  test("abcde", 2, 3, "abcde", 0, 6, 2);
+  test("abcde", 2, 3, "abcde", 1, 0, 3);
+  test("abcde", 2, 3, "abcde", 1, 1, 1);
+  test("abcde", 2, 3, "abcde", 1, 2, 1);
+  test("abcde", 2, 3, "abcde", 1, 3, 1);
+  test("abcde", 2, 3, "abcde", 1, 4, 1);
+  test("abcde", 2, 3, "abcde", 1, 5, 1);
+  test("abcde", 2, 3, "abcde", 2, 0, 3);
+  test("abcde", 2, 3, "abcde", 2, 1, 2);
+  test("abcde", 2, 3, "abcde", 2, 2, 1);
+  test("abcde", 2, 3, "abcde", 2, 3, 0);
+  test("abcde", 2, 3, "abcde", 2, 4, 0);
+  test("abcde", 2, 3, "abcde", 4, 0, 3);
+  test("abcde", 2, 3, "abcde", 4, 1, -2);
+  test("abcde", 2, 3, "abcde", 4, 2, -2);
+  test("abcde", 2, 3, "abcde", 5, 0, 3);
+  test("abcde", 2, 3, "abcde", 5, 1, 3);
+  test("abcde", 2, 3, "abcde", 6, 0, 0);
+  test("abcde", 2, 3, "abcdefghij", 0, 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 0, 1, 2);
+  test("abcde", 2, 3, "abcdefghij", 0, 5, 2);
+  test("abcde", 2, 3, "abcdefghij", 0, 9, 2);
+  test("abcde", 2, 3, "abcdefghij", 0, 10, 2);
+  test("abcde", 2, 3, "abcdefghij", 0, 11, 2);
+  test("abcde", 2, 3, "abcdefghij", 1, 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 1, 1, 1);
+  test("abcde", 2, 3, "abcdefghij", 1, 4, 1);
+  test("abcde", 2, 3, "abcdefghij", 1, 8, 1);
+  test("abcde", 2, 3, "abcdefghij", 1, 9, 1);
+  test("abcde", 2, 3, "abcdefghij", 1, 10, 1);
+  test("abcde", 2, 3, "abcdefghij", 5, 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 5, 1, -3);
+  test("abcde", 2, 3, "abcdefghij", 5, 2, -3);
+  test("abcde", 2, 3, "abcdefghij", 5, 4, -3);
+  test("abcde", 2, 3, "abcdefghij", 5, 5, -3);
+  test("abcde", 2, 3, "abcdefghij", 5, 6, -3);
+  test("abcde", 2, 3, "abcdefghij", 9, 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 9, 1, -7);
+  test("abcde", 2, 3, "abcdefghij", 9, 2, -7);
+  test("abcde", 2, 3, "abcdefghij", 10, 0, 3);
+  test("abcde", 2, 3, "abcdefghij", 10, 1, 3);
+  test("abcde", 2, 3, "abcdefghij", 11, 0, 0);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 0, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 1, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 10, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 19, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 20, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 21, 2);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 0, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 1, 1);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 9, 1);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 18, 1);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 19, 1);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 20, 1);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 0, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 1, -8);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 5, -8);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 9, -8);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 10, -8);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 11, -8);
 }
 
-void test14()
-{
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 0, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 1, -17);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 2, -17);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 0, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 1, 3);
-    test("abcde", 2, 3, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 2, 4, "", 0, 0, 3);
-    test("abcde", 2, 4, "", 0, 1, 3);
-    test("abcde", 2, 4, "", 1, 0, 0);
-    test("abcde", 2, 4, "abcde", 0, 0, 3);
-    test("abcde", 2, 4, "abcde", 0, 1, 2);
-    test("abcde", 2, 4, "abcde", 0, 2, 2);
-    test("abcde", 2, 4, "abcde", 0, 4, 2);
-    test("abcde", 2, 4, "abcde", 0, 5, 2);
-    test("abcde", 2, 4, "abcde", 0, 6, 2);
-    test("abcde", 2, 4, "abcde", 1, 0, 3);
-    test("abcde", 2, 4, "abcde", 1, 1, 1);
-    test("abcde", 2, 4, "abcde", 1, 2, 1);
-    test("abcde", 2, 4, "abcde", 1, 3, 1);
-    test("abcde", 2, 4, "abcde", 1, 4, 1);
-    test("abcde", 2, 4, "abcde", 1, 5, 1);
-    test("abcde", 2, 4, "abcde", 2, 0, 3);
-    test("abcde", 2, 4, "abcde", 2, 1, 2);
-    test("abcde", 2, 4, "abcde", 2, 2, 1);
-    test("abcde", 2, 4, "abcde", 2, 3, 0);
-    test("abcde", 2, 4, "abcde", 2, 4, 0);
-    test("abcde", 2, 4, "abcde", 4, 0, 3);
-    test("abcde", 2, 4, "abcde", 4, 1, -2);
-    test("abcde", 2, 4, "abcde", 4, 2, -2);
-    test("abcde", 2, 4, "abcde", 5, 0, 3);
-    test("abcde", 2, 4, "abcde", 5, 1, 3);
-    test("abcde", 2, 4, "abcde", 6, 0, 0);
-    test("abcde", 2, 4, "abcdefghij", 0, 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 0, 1, 2);
-    test("abcde", 2, 4, "abcdefghij", 0, 5, 2);
-    test("abcde", 2, 4, "abcdefghij", 0, 9, 2);
-    test("abcde", 2, 4, "abcdefghij", 0, 10, 2);
-    test("abcde", 2, 4, "abcdefghij", 0, 11, 2);
-    test("abcde", 2, 4, "abcdefghij", 1, 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 1, 1, 1);
-    test("abcde", 2, 4, "abcdefghij", 1, 4, 1);
-    test("abcde", 2, 4, "abcdefghij", 1, 8, 1);
-    test("abcde", 2, 4, "abcdefghij", 1, 9, 1);
-    test("abcde", 2, 4, "abcdefghij", 1, 10, 1);
-    test("abcde", 2, 4, "abcdefghij", 5, 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 5, 1, -3);
-    test("abcde", 2, 4, "abcdefghij", 5, 2, -3);
-    test("abcde", 2, 4, "abcdefghij", 5, 4, -3);
-    test("abcde", 2, 4, "abcdefghij", 5, 5, -3);
-    test("abcde", 2, 4, "abcdefghij", 5, 6, -3);
-    test("abcde", 2, 4, "abcdefghij", 9, 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 9, 1, -7);
-    test("abcde", 2, 4, "abcdefghij", 9, 2, -7);
-    test("abcde", 2, 4, "abcdefghij", 10, 0, 3);
-    test("abcde", 2, 4, "abcdefghij", 10, 1, 3);
-    test("abcde", 2, 4, "abcdefghij", 11, 0, 0);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 1, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 10, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 19, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 20, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 21, 2);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 1, 1);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 9, 1);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 18, 1);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 19, 1);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 20, 1);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 1, -8);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 5, -8);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 9, -8);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 10, -8);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 11, -8);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 1, -17);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 2, -17);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 0, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 1, 3);
-    test("abcde", 2, 4, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 4, 0, "", 0, 0, 0);
-    test("abcde", 4, 0, "", 0, 1, 0);
-    test("abcde", 4, 0, "", 1, 0, 0);
-    test("abcde", 4, 0, "abcde", 0, 0, 0);
-    test("abcde", 4, 0, "abcde", 0, 1, -1);
-    test("abcde", 4, 0, "abcde", 0, 2, -2);
-    test("abcde", 4, 0, "abcde", 0, 4, -4);
-    test("abcde", 4, 0, "abcde", 0, 5, -5);
-    test("abcde", 4, 0, "abcde", 0, 6, -5);
-    test("abcde", 4, 0, "abcde", 1, 0, 0);
-    test("abcde", 4, 0, "abcde", 1, 1, -1);
-    test("abcde", 4, 0, "abcde", 1, 2, -2);
-    test("abcde", 4, 0, "abcde", 1, 3, -3);
-    test("abcde", 4, 0, "abcde", 1, 4, -4);
-    test("abcde", 4, 0, "abcde", 1, 5, -4);
-    test("abcde", 4, 0, "abcde", 2, 0, 0);
-    test("abcde", 4, 0, "abcde", 2, 1, -1);
-    test("abcde", 4, 0, "abcde", 2, 2, -2);
-    test("abcde", 4, 0, "abcde", 2, 3, -3);
-    test("abcde", 4, 0, "abcde", 2, 4, -3);
+void test14() {
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 0, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 1, -17);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 2, -17);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 0, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 1, 3);
+  test("abcde", 2, 3, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 2, 4, "", 0, 0, 3);
+  test("abcde", 2, 4, "", 0, 1, 3);
+  test("abcde", 2, 4, "", 1, 0, 0);
+  test("abcde", 2, 4, "abcde", 0, 0, 3);
+  test("abcde", 2, 4, "abcde", 0, 1, 2);
+  test("abcde", 2, 4, "abcde", 0, 2, 2);
+  test("abcde", 2, 4, "abcde", 0, 4, 2);
+  test("abcde", 2, 4, "abcde", 0, 5, 2);
+  test("abcde", 2, 4, "abcde", 0, 6, 2);
+  test("abcde", 2, 4, "abcde", 1, 0, 3);
+  test("abcde", 2, 4, "abcde", 1, 1, 1);
+  test("abcde", 2, 4, "abcde", 1, 2, 1);
+  test("abcde", 2, 4, "abcde", 1, 3, 1);
+  test("abcde", 2, 4, "abcde", 1, 4, 1);
+  test("abcde", 2, 4, "abcde", 1, 5, 1);
+  test("abcde", 2, 4, "abcde", 2, 0, 3);
+  test("abcde", 2, 4, "abcde", 2, 1, 2);
+  test("abcde", 2, 4, "abcde", 2, 2, 1);
+  test("abcde", 2, 4, "abcde", 2, 3, 0);
+  test("abcde", 2, 4, "abcde", 2, 4, 0);
+  test("abcde", 2, 4, "abcde", 4, 0, 3);
+  test("abcde", 2, 4, "abcde", 4, 1, -2);
+  test("abcde", 2, 4, "abcde", 4, 2, -2);
+  test("abcde", 2, 4, "abcde", 5, 0, 3);
+  test("abcde", 2, 4, "abcde", 5, 1, 3);
+  test("abcde", 2, 4, "abcde", 6, 0, 0);
+  test("abcde", 2, 4, "abcdefghij", 0, 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 0, 1, 2);
+  test("abcde", 2, 4, "abcdefghij", 0, 5, 2);
+  test("abcde", 2, 4, "abcdefghij", 0, 9, 2);
+  test("abcde", 2, 4, "abcdefghij", 0, 10, 2);
+  test("abcde", 2, 4, "abcdefghij", 0, 11, 2);
+  test("abcde", 2, 4, "abcdefghij", 1, 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 1, 1, 1);
+  test("abcde", 2, 4, "abcdefghij", 1, 4, 1);
+  test("abcde", 2, 4, "abcdefghij", 1, 8, 1);
+  test("abcde", 2, 4, "abcdefghij", 1, 9, 1);
+  test("abcde", 2, 4, "abcdefghij", 1, 10, 1);
+  test("abcde", 2, 4, "abcdefghij", 5, 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 5, 1, -3);
+  test("abcde", 2, 4, "abcdefghij", 5, 2, -3);
+  test("abcde", 2, 4, "abcdefghij", 5, 4, -3);
+  test("abcde", 2, 4, "abcdefghij", 5, 5, -3);
+  test("abcde", 2, 4, "abcdefghij", 5, 6, -3);
+  test("abcde", 2, 4, "abcdefghij", 9, 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 9, 1, -7);
+  test("abcde", 2, 4, "abcdefghij", 9, 2, -7);
+  test("abcde", 2, 4, "abcdefghij", 10, 0, 3);
+  test("abcde", 2, 4, "abcdefghij", 10, 1, 3);
+  test("abcde", 2, 4, "abcdefghij", 11, 0, 0);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 1, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 10, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 19, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 20, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 21, 2);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 1, 1);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 9, 1);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 18, 1);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 19, 1);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 20, 1);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 1, -8);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 5, -8);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 9, -8);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 10, -8);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 11, -8);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 1, -17);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 2, -17);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 0, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 1, 3);
+  test("abcde", 2, 4, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 4, 0, "", 0, 0, 0);
+  test("abcde", 4, 0, "", 0, 1, 0);
+  test("abcde", 4, 0, "", 1, 0, 0);
+  test("abcde", 4, 0, "abcde", 0, 0, 0);
+  test("abcde", 4, 0, "abcde", 0, 1, -1);
+  test("abcde", 4, 0, "abcde", 0, 2, -2);
+  test("abcde", 4, 0, "abcde", 0, 4, -4);
+  test("abcde", 4, 0, "abcde", 0, 5, -5);
+  test("abcde", 4, 0, "abcde", 0, 6, -5);
+  test("abcde", 4, 0, "abcde", 1, 0, 0);
+  test("abcde", 4, 0, "abcde", 1, 1, -1);
+  test("abcde", 4, 0, "abcde", 1, 2, -2);
+  test("abcde", 4, 0, "abcde", 1, 3, -3);
+  test("abcde", 4, 0, "abcde", 1, 4, -4);
+  test("abcde", 4, 0, "abcde", 1, 5, -4);
+  test("abcde", 4, 0, "abcde", 2, 0, 0);
+  test("abcde", 4, 0, "abcde", 2, 1, -1);
+  test("abcde", 4, 0, "abcde", 2, 2, -2);
+  test("abcde", 4, 0, "abcde", 2, 3, -3);
+  test("abcde", 4, 0, "abcde", 2, 4, -3);
 }
 
-void test15()
-{
-    test("abcde", 4, 0, "abcde", 4, 0, 0);
-    test("abcde", 4, 0, "abcde", 4, 1, -1);
-    test("abcde", 4, 0, "abcde", 4, 2, -1);
-    test("abcde", 4, 0, "abcde", 5, 0, 0);
-    test("abcde", 4, 0, "abcde", 5, 1, 0);
-    test("abcde", 4, 0, "abcde", 6, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 0, 1, -1);
-    test("abcde", 4, 0, "abcdefghij", 0, 5, -5);
-    test("abcde", 4, 0, "abcdefghij", 0, 9, -9);
-    test("abcde", 4, 0, "abcdefghij", 0, 10, -10);
-    test("abcde", 4, 0, "abcdefghij", 0, 11, -10);
-    test("abcde", 4, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 1, 1, -1);
-    test("abcde", 4, 0, "abcdefghij", 1, 4, -4);
-    test("abcde", 4, 0, "abcdefghij", 1, 8, -8);
-    test("abcde", 4, 0, "abcdefghij", 1, 9, -9);
-    test("abcde", 4, 0, "abcdefghij", 1, 10, -9);
-    test("abcde", 4, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 5, 1, -1);
-    test("abcde", 4, 0, "abcdefghij", 5, 2, -2);
-    test("abcde", 4, 0, "abcdefghij", 5, 4, -4);
-    test("abcde", 4, 0, "abcdefghij", 5, 5, -5);
-    test("abcde", 4, 0, "abcdefghij", 5, 6, -5);
-    test("abcde", 4, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 9, 1, -1);
-    test("abcde", 4, 0, "abcdefghij", 9, 2, -1);
-    test("abcde", 4, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 4, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 4, 0, "abcdefghij", 11, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 4, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 4, 1, "", 0, 0, 1);
-    test("abcde", 4, 1, "", 0, 1, 1);
-    test("abcde", 4, 1, "", 1, 0, 0);
-    test("abcde", 4, 1, "abcde", 0, 0, 1);
-    test("abcde", 4, 1, "abcde", 0, 1, 4);
-    test("abcde", 4, 1, "abcde", 0, 2, 4);
-    test("abcde", 4, 1, "abcde", 0, 4, 4);
-    test("abcde", 4, 1, "abcde", 0, 5, 4);
-    test("abcde", 4, 1, "abcde", 0, 6, 4);
-    test("abcde", 4, 1, "abcde", 1, 0, 1);
-    test("abcde", 4, 1, "abcde", 1, 1, 3);
-    test("abcde", 4, 1, "abcde", 1, 2, 3);
-    test("abcde", 4, 1, "abcde", 1, 3, 3);
-    test("abcde", 4, 1, "abcde", 1, 4, 3);
-    test("abcde", 4, 1, "abcde", 1, 5, 3);
-    test("abcde", 4, 1, "abcde", 2, 0, 1);
-    test("abcde", 4, 1, "abcde", 2, 1, 2);
-    test("abcde", 4, 1, "abcde", 2, 2, 2);
-    test("abcde", 4, 1, "abcde", 2, 3, 2);
-    test("abcde", 4, 1, "abcde", 2, 4, 2);
-    test("abcde", 4, 1, "abcde", 4, 0, 1);
-    test("abcde", 4, 1, "abcde", 4, 1, 0);
-    test("abcde", 4, 1, "abcde", 4, 2, 0);
-    test("abcde", 4, 1, "abcde", 5, 0, 1);
-    test("abcde", 4, 1, "abcde", 5, 1, 1);
-    test("abcde", 4, 1, "abcde", 6, 0, 0);
-    test("abcde", 4, 1, "abcdefghij", 0, 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 0, 1, 4);
-    test("abcde", 4, 1, "abcdefghij", 0, 5, 4);
-    test("abcde", 4, 1, "abcdefghij", 0, 9, 4);
-    test("abcde", 4, 1, "abcdefghij", 0, 10, 4);
-    test("abcde", 4, 1, "abcdefghij", 0, 11, 4);
-    test("abcde", 4, 1, "abcdefghij", 1, 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 1, 1, 3);
-    test("abcde", 4, 1, "abcdefghij", 1, 4, 3);
-    test("abcde", 4, 1, "abcdefghij", 1, 8, 3);
-    test("abcde", 4, 1, "abcdefghij", 1, 9, 3);
-    test("abcde", 4, 1, "abcdefghij", 1, 10, 3);
-    test("abcde", 4, 1, "abcdefghij", 5, 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 5, 1, -1);
-    test("abcde", 4, 1, "abcdefghij", 5, 2, -1);
-    test("abcde", 4, 1, "abcdefghij", 5, 4, -1);
-    test("abcde", 4, 1, "abcdefghij", 5, 5, -1);
-    test("abcde", 4, 1, "abcdefghij", 5, 6, -1);
-    test("abcde", 4, 1, "abcdefghij", 9, 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 9, 1, -5);
+void test15() {
+  test("abcde", 4, 0, "abcde", 4, 0, 0);
+  test("abcde", 4, 0, "abcde", 4, 1, -1);
+  test("abcde", 4, 0, "abcde", 4, 2, -1);
+  test("abcde", 4, 0, "abcde", 5, 0, 0);
+  test("abcde", 4, 0, "abcde", 5, 1, 0);
+  test("abcde", 4, 0, "abcde", 6, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 0, 1, -1);
+  test("abcde", 4, 0, "abcdefghij", 0, 5, -5);
+  test("abcde", 4, 0, "abcdefghij", 0, 9, -9);
+  test("abcde", 4, 0, "abcdefghij", 0, 10, -10);
+  test("abcde", 4, 0, "abcdefghij", 0, 11, -10);
+  test("abcde", 4, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 1, 1, -1);
+  test("abcde", 4, 0, "abcdefghij", 1, 4, -4);
+  test("abcde", 4, 0, "abcdefghij", 1, 8, -8);
+  test("abcde", 4, 0, "abcdefghij", 1, 9, -9);
+  test("abcde", 4, 0, "abcdefghij", 1, 10, -9);
+  test("abcde", 4, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 5, 1, -1);
+  test("abcde", 4, 0, "abcdefghij", 5, 2, -2);
+  test("abcde", 4, 0, "abcdefghij", 5, 4, -4);
+  test("abcde", 4, 0, "abcdefghij", 5, 5, -5);
+  test("abcde", 4, 0, "abcdefghij", 5, 6, -5);
+  test("abcde", 4, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 9, 1, -1);
+  test("abcde", 4, 0, "abcdefghij", 9, 2, -1);
+  test("abcde", 4, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 4, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 4, 0, "abcdefghij", 11, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 4, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 4, 1, "", 0, 0, 1);
+  test("abcde", 4, 1, "", 0, 1, 1);
+  test("abcde", 4, 1, "", 1, 0, 0);
+  test("abcde", 4, 1, "abcde", 0, 0, 1);
+  test("abcde", 4, 1, "abcde", 0, 1, 4);
+  test("abcde", 4, 1, "abcde", 0, 2, 4);
+  test("abcde", 4, 1, "abcde", 0, 4, 4);
+  test("abcde", 4, 1, "abcde", 0, 5, 4);
+  test("abcde", 4, 1, "abcde", 0, 6, 4);
+  test("abcde", 4, 1, "abcde", 1, 0, 1);
+  test("abcde", 4, 1, "abcde", 1, 1, 3);
+  test("abcde", 4, 1, "abcde", 1, 2, 3);
+  test("abcde", 4, 1, "abcde", 1, 3, 3);
+  test("abcde", 4, 1, "abcde", 1, 4, 3);
+  test("abcde", 4, 1, "abcde", 1, 5, 3);
+  test("abcde", 4, 1, "abcde", 2, 0, 1);
+  test("abcde", 4, 1, "abcde", 2, 1, 2);
+  test("abcde", 4, 1, "abcde", 2, 2, 2);
+  test("abcde", 4, 1, "abcde", 2, 3, 2);
+  test("abcde", 4, 1, "abcde", 2, 4, 2);
+  test("abcde", 4, 1, "abcde", 4, 0, 1);
+  test("abcde", 4, 1, "abcde", 4, 1, 0);
+  test("abcde", 4, 1, "abcde", 4, 2, 0);
+  test("abcde", 4, 1, "abcde", 5, 0, 1);
+  test("abcde", 4, 1, "abcde", 5, 1, 1);
+  test("abcde", 4, 1, "abcde", 6, 0, 0);
+  test("abcde", 4, 1, "abcdefghij", 0, 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 0, 1, 4);
+  test("abcde", 4, 1, "abcdefghij", 0, 5, 4);
+  test("abcde", 4, 1, "abcdefghij", 0, 9, 4);
+  test("abcde", 4, 1, "abcdefghij", 0, 10, 4);
+  test("abcde", 4, 1, "abcdefghij", 0, 11, 4);
+  test("abcde", 4, 1, "abcdefghij", 1, 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 1, 1, 3);
+  test("abcde", 4, 1, "abcdefghij", 1, 4, 3);
+  test("abcde", 4, 1, "abcdefghij", 1, 8, 3);
+  test("abcde", 4, 1, "abcdefghij", 1, 9, 3);
+  test("abcde", 4, 1, "abcdefghij", 1, 10, 3);
+  test("abcde", 4, 1, "abcdefghij", 5, 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 5, 1, -1);
+  test("abcde", 4, 1, "abcdefghij", 5, 2, -1);
+  test("abcde", 4, 1, "abcdefghij", 5, 4, -1);
+  test("abcde", 4, 1, "abcdefghij", 5, 5, -1);
+  test("abcde", 4, 1, "abcdefghij", 5, 6, -1);
+  test("abcde", 4, 1, "abcdefghij", 9, 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 9, 1, -5);
 }
 
-void test16()
-{
-    test("abcde", 4, 1, "abcdefghij", 9, 2, -5);
-    test("abcde", 4, 1, "abcdefghij", 10, 0, 1);
-    test("abcde", 4, 1, "abcdefghij", 10, 1, 1);
-    test("abcde", 4, 1, "abcdefghij", 11, 0, 0);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 1, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 10, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 19, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 20, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 21, 4);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 1, 3);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 9, 3);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 18, 3);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 19, 3);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 20, 3);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 1, -6);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 5, -6);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 9, -6);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 10, -6);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 11, -6);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 1, -15);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 2, -15);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcde", 4, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 4, 2, "", 0, 0, 1);
-    test("abcde", 4, 2, "", 0, 1, 1);
-    test("abcde", 4, 2, "", 1, 0, 0);
-    test("abcde", 4, 2, "abcde", 0, 0, 1);
-    test("abcde", 4, 2, "abcde", 0, 1, 4);
-    test("abcde", 4, 2, "abcde", 0, 2, 4);
-    test("abcde", 4, 2, "abcde", 0, 4, 4);
-    test("abcde", 4, 2, "abcde", 0, 5, 4);
-    test("abcde", 4, 2, "abcde", 0, 6, 4);
-    test("abcde", 4, 2, "abcde", 1, 0, 1);
-    test("abcde", 4, 2, "abcde", 1, 1, 3);
-    test("abcde", 4, 2, "abcde", 1, 2, 3);
-    test("abcde", 4, 2, "abcde", 1, 3, 3);
-    test("abcde", 4, 2, "abcde", 1, 4, 3);
-    test("abcde", 4, 2, "abcde", 1, 5, 3);
-    test("abcde", 4, 2, "abcde", 2, 0, 1);
-    test("abcde", 4, 2, "abcde", 2, 1, 2);
-    test("abcde", 4, 2, "abcde", 2, 2, 2);
-    test("abcde", 4, 2, "abcde", 2, 3, 2);
-    test("abcde", 4, 2, "abcde", 2, 4, 2);
-    test("abcde", 4, 2, "abcde", 4, 0, 1);
-    test("abcde", 4, 2, "abcde", 4, 1, 0);
-    test("abcde", 4, 2, "abcde", 4, 2, 0);
-    test("abcde", 4, 2, "abcde", 5, 0, 1);
-    test("abcde", 4, 2, "abcde", 5, 1, 1);
-    test("abcde", 4, 2, "abcde", 6, 0, 0);
-    test("abcde", 4, 2, "abcdefghij", 0, 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 0, 1, 4);
-    test("abcde", 4, 2, "abcdefghij", 0, 5, 4);
-    test("abcde", 4, 2, "abcdefghij", 0, 9, 4);
-    test("abcde", 4, 2, "abcdefghij", 0, 10, 4);
-    test("abcde", 4, 2, "abcdefghij", 0, 11, 4);
-    test("abcde", 4, 2, "abcdefghij", 1, 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 1, 1, 3);
-    test("abcde", 4, 2, "abcdefghij", 1, 4, 3);
-    test("abcde", 4, 2, "abcdefghij", 1, 8, 3);
-    test("abcde", 4, 2, "abcdefghij", 1, 9, 3);
-    test("abcde", 4, 2, "abcdefghij", 1, 10, 3);
-    test("abcde", 4, 2, "abcdefghij", 5, 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 5, 1, -1);
-    test("abcde", 4, 2, "abcdefghij", 5, 2, -1);
-    test("abcde", 4, 2, "abcdefghij", 5, 4, -1);
-    test("abcde", 4, 2, "abcdefghij", 5, 5, -1);
-    test("abcde", 4, 2, "abcdefghij", 5, 6, -1);
-    test("abcde", 4, 2, "abcdefghij", 9, 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 9, 1, -5);
-    test("abcde", 4, 2, "abcdefghij", 9, 2, -5);
-    test("abcde", 4, 2, "abcdefghij", 10, 0, 1);
-    test("abcde", 4, 2, "abcdefghij", 10, 1, 1);
-    test("abcde", 4, 2, "abcdefghij", 11, 0, 0);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 1, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 10, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 19, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 20, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 21, 4);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 1, 3);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 9, 3);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 18, 3);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 19, 3);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 20, 3);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 1, -6);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 5, -6);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 9, -6);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 10, -6);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 11, -6);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 1, -15);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 2, -15);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 0, 1);
+void test16() {
+  test("abcde", 4, 1, "abcdefghij", 9, 2, -5);
+  test("abcde", 4, 1, "abcdefghij", 10, 0, 1);
+  test("abcde", 4, 1, "abcdefghij", 10, 1, 1);
+  test("abcde", 4, 1, "abcdefghij", 11, 0, 0);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 1, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 10, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 19, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 20, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 21, 4);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 1, 3);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 9, 3);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 18, 3);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 19, 3);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 20, 3);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 1, -6);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 5, -6);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 9, -6);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 10, -6);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 11, -6);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 1, -15);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 2, -15);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcde", 4, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 4, 2, "", 0, 0, 1);
+  test("abcde", 4, 2, "", 0, 1, 1);
+  test("abcde", 4, 2, "", 1, 0, 0);
+  test("abcde", 4, 2, "abcde", 0, 0, 1);
+  test("abcde", 4, 2, "abcde", 0, 1, 4);
+  test("abcde", 4, 2, "abcde", 0, 2, 4);
+  test("abcde", 4, 2, "abcde", 0, 4, 4);
+  test("abcde", 4, 2, "abcde", 0, 5, 4);
+  test("abcde", 4, 2, "abcde", 0, 6, 4);
+  test("abcde", 4, 2, "abcde", 1, 0, 1);
+  test("abcde", 4, 2, "abcde", 1, 1, 3);
+  test("abcde", 4, 2, "abcde", 1, 2, 3);
+  test("abcde", 4, 2, "abcde", 1, 3, 3);
+  test("abcde", 4, 2, "abcde", 1, 4, 3);
+  test("abcde", 4, 2, "abcde", 1, 5, 3);
+  test("abcde", 4, 2, "abcde", 2, 0, 1);
+  test("abcde", 4, 2, "abcde", 2, 1, 2);
+  test("abcde", 4, 2, "abcde", 2, 2, 2);
+  test("abcde", 4, 2, "abcde", 2, 3, 2);
+  test("abcde", 4, 2, "abcde", 2, 4, 2);
+  test("abcde", 4, 2, "abcde", 4, 0, 1);
+  test("abcde", 4, 2, "abcde", 4, 1, 0);
+  test("abcde", 4, 2, "abcde", 4, 2, 0);
+  test("abcde", 4, 2, "abcde", 5, 0, 1);
+  test("abcde", 4, 2, "abcde", 5, 1, 1);
+  test("abcde", 4, 2, "abcde", 6, 0, 0);
+  test("abcde", 4, 2, "abcdefghij", 0, 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 0, 1, 4);
+  test("abcde", 4, 2, "abcdefghij", 0, 5, 4);
+  test("abcde", 4, 2, "abcdefghij", 0, 9, 4);
+  test("abcde", 4, 2, "abcdefghij", 0, 10, 4);
+  test("abcde", 4, 2, "abcdefghij", 0, 11, 4);
+  test("abcde", 4, 2, "abcdefghij", 1, 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 1, 1, 3);
+  test("abcde", 4, 2, "abcdefghij", 1, 4, 3);
+  test("abcde", 4, 2, "abcdefghij", 1, 8, 3);
+  test("abcde", 4, 2, "abcdefghij", 1, 9, 3);
+  test("abcde", 4, 2, "abcdefghij", 1, 10, 3);
+  test("abcde", 4, 2, "abcdefghij", 5, 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 5, 1, -1);
+  test("abcde", 4, 2, "abcdefghij", 5, 2, -1);
+  test("abcde", 4, 2, "abcdefghij", 5, 4, -1);
+  test("abcde", 4, 2, "abcdefghij", 5, 5, -1);
+  test("abcde", 4, 2, "abcdefghij", 5, 6, -1);
+  test("abcde", 4, 2, "abcdefghij", 9, 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 9, 1, -5);
+  test("abcde", 4, 2, "abcdefghij", 9, 2, -5);
+  test("abcde", 4, 2, "abcdefghij", 10, 0, 1);
+  test("abcde", 4, 2, "abcdefghij", 10, 1, 1);
+  test("abcde", 4, 2, "abcdefghij", 11, 0, 0);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 1, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 10, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 19, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 20, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 21, 4);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 1, 3);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 9, 3);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 18, 3);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 19, 3);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 20, 3);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 1, -6);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 5, -6);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 9, -6);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 10, -6);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 11, -6);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 1, -15);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 2, -15);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 0, 1);
 }
 
-void test17()
-{
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcde", 4, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 5, 0, "", 0, 0, 0);
-    test("abcde", 5, 0, "", 0, 1, 0);
-    test("abcde", 5, 0, "", 1, 0, 0);
-    test("abcde", 5, 0, "abcde", 0, 0, 0);
-    test("abcde", 5, 0, "abcde", 0, 1, -1);
-    test("abcde", 5, 0, "abcde", 0, 2, -2);
-    test("abcde", 5, 0, "abcde", 0, 4, -4);
-    test("abcde", 5, 0, "abcde", 0, 5, -5);
-    test("abcde", 5, 0, "abcde", 0, 6, -5);
-    test("abcde", 5, 0, "abcde", 1, 0, 0);
-    test("abcde", 5, 0, "abcde", 1, 1, -1);
-    test("abcde", 5, 0, "abcde", 1, 2, -2);
-    test("abcde", 5, 0, "abcde", 1, 3, -3);
-    test("abcde", 5, 0, "abcde", 1, 4, -4);
-    test("abcde", 5, 0, "abcde", 1, 5, -4);
-    test("abcde", 5, 0, "abcde", 2, 0, 0);
-    test("abcde", 5, 0, "abcde", 2, 1, -1);
-    test("abcde", 5, 0, "abcde", 2, 2, -2);
-    test("abcde", 5, 0, "abcde", 2, 3, -3);
-    test("abcde", 5, 0, "abcde", 2, 4, -3);
-    test("abcde", 5, 0, "abcde", 4, 0, 0);
-    test("abcde", 5, 0, "abcde", 4, 1, -1);
-    test("abcde", 5, 0, "abcde", 4, 2, -1);
-    test("abcde", 5, 0, "abcde", 5, 0, 0);
-    test("abcde", 5, 0, "abcde", 5, 1, 0);
-    test("abcde", 5, 0, "abcde", 6, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 0, 1, -1);
-    test("abcde", 5, 0, "abcdefghij", 0, 5, -5);
-    test("abcde", 5, 0, "abcdefghij", 0, 9, -9);
-    test("abcde", 5, 0, "abcdefghij", 0, 10, -10);
-    test("abcde", 5, 0, "abcdefghij", 0, 11, -10);
-    test("abcde", 5, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 1, 1, -1);
-    test("abcde", 5, 0, "abcdefghij", 1, 4, -4);
-    test("abcde", 5, 0, "abcdefghij", 1, 8, -8);
-    test("abcde", 5, 0, "abcdefghij", 1, 9, -9);
-    test("abcde", 5, 0, "abcdefghij", 1, 10, -9);
-    test("abcde", 5, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 5, 1, -1);
-    test("abcde", 5, 0, "abcdefghij", 5, 2, -2);
-    test("abcde", 5, 0, "abcdefghij", 5, 4, -4);
-    test("abcde", 5, 0, "abcdefghij", 5, 5, -5);
-    test("abcde", 5, 0, "abcdefghij", 5, 6, -5);
-    test("abcde", 5, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 9, 1, -1);
-    test("abcde", 5, 0, "abcdefghij", 9, 2, -1);
-    test("abcde", 5, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 5, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 5, 0, "abcdefghij", 11, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 5, 1, "", 0, 0, 0);
-    test("abcde", 5, 1, "", 0, 1, 0);
-    test("abcde", 5, 1, "", 1, 0, 0);
-    test("abcde", 5, 1, "abcde", 0, 0, 0);
-    test("abcde", 5, 1, "abcde", 0, 1, -1);
-    test("abcde", 5, 1, "abcde", 0, 2, -2);
-    test("abcde", 5, 1, "abcde", 0, 4, -4);
-    test("abcde", 5, 1, "abcde", 0, 5, -5);
-    test("abcde", 5, 1, "abcde", 0, 6, -5);
-    test("abcde", 5, 1, "abcde", 1, 0, 0);
-    test("abcde", 5, 1, "abcde", 1, 1, -1);
-    test("abcde", 5, 1, "abcde", 1, 2, -2);
-    test("abcde", 5, 1, "abcde", 1, 3, -3);
-    test("abcde", 5, 1, "abcde", 1, 4, -4);
-    test("abcde", 5, 1, "abcde", 1, 5, -4);
-    test("abcde", 5, 1, "abcde", 2, 0, 0);
-    test("abcde", 5, 1, "abcde", 2, 1, -1);
-    test("abcde", 5, 1, "abcde", 2, 2, -2);
-    test("abcde", 5, 1, "abcde", 2, 3, -3);
-    test("abcde", 5, 1, "abcde", 2, 4, -3);
-    test("abcde", 5, 1, "abcde", 4, 0, 0);
-    test("abcde", 5, 1, "abcde", 4, 1, -1);
-    test("abcde", 5, 1, "abcde", 4, 2, -1);
-    test("abcde", 5, 1, "abcde", 5, 0, 0);
+void test17() {
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcde", 4, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 5, 0, "", 0, 0, 0);
+  test("abcde", 5, 0, "", 0, 1, 0);
+  test("abcde", 5, 0, "", 1, 0, 0);
+  test("abcde", 5, 0, "abcde", 0, 0, 0);
+  test("abcde", 5, 0, "abcde", 0, 1, -1);
+  test("abcde", 5, 0, "abcde", 0, 2, -2);
+  test("abcde", 5, 0, "abcde", 0, 4, -4);
+  test("abcde", 5, 0, "abcde", 0, 5, -5);
+  test("abcde", 5, 0, "abcde", 0, 6, -5);
+  test("abcde", 5, 0, "abcde", 1, 0, 0);
+  test("abcde", 5, 0, "abcde", 1, 1, -1);
+  test("abcde", 5, 0, "abcde", 1, 2, -2);
+  test("abcde", 5, 0, "abcde", 1, 3, -3);
+  test("abcde", 5, 0, "abcde", 1, 4, -4);
+  test("abcde", 5, 0, "abcde", 1, 5, -4);
+  test("abcde", 5, 0, "abcde", 2, 0, 0);
+  test("abcde", 5, 0, "abcde", 2, 1, -1);
+  test("abcde", 5, 0, "abcde", 2, 2, -2);
+  test("abcde", 5, 0, "abcde", 2, 3, -3);
+  test("abcde", 5, 0, "abcde", 2, 4, -3);
+  test("abcde", 5, 0, "abcde", 4, 0, 0);
+  test("abcde", 5, 0, "abcde", 4, 1, -1);
+  test("abcde", 5, 0, "abcde", 4, 2, -1);
+  test("abcde", 5, 0, "abcde", 5, 0, 0);
+  test("abcde", 5, 0, "abcde", 5, 1, 0);
+  test("abcde", 5, 0, "abcde", 6, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 0, 1, -1);
+  test("abcde", 5, 0, "abcdefghij", 0, 5, -5);
+  test("abcde", 5, 0, "abcdefghij", 0, 9, -9);
+  test("abcde", 5, 0, "abcdefghij", 0, 10, -10);
+  test("abcde", 5, 0, "abcdefghij", 0, 11, -10);
+  test("abcde", 5, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 1, 1, -1);
+  test("abcde", 5, 0, "abcdefghij", 1, 4, -4);
+  test("abcde", 5, 0, "abcdefghij", 1, 8, -8);
+  test("abcde", 5, 0, "abcdefghij", 1, 9, -9);
+  test("abcde", 5, 0, "abcdefghij", 1, 10, -9);
+  test("abcde", 5, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 5, 1, -1);
+  test("abcde", 5, 0, "abcdefghij", 5, 2, -2);
+  test("abcde", 5, 0, "abcdefghij", 5, 4, -4);
+  test("abcde", 5, 0, "abcdefghij", 5, 5, -5);
+  test("abcde", 5, 0, "abcdefghij", 5, 6, -5);
+  test("abcde", 5, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 9, 1, -1);
+  test("abcde", 5, 0, "abcdefghij", 9, 2, -1);
+  test("abcde", 5, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 5, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 5, 0, "abcdefghij", 11, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 5, 1, "", 0, 0, 0);
+  test("abcde", 5, 1, "", 0, 1, 0);
+  test("abcde", 5, 1, "", 1, 0, 0);
+  test("abcde", 5, 1, "abcde", 0, 0, 0);
+  test("abcde", 5, 1, "abcde", 0, 1, -1);
+  test("abcde", 5, 1, "abcde", 0, 2, -2);
+  test("abcde", 5, 1, "abcde", 0, 4, -4);
+  test("abcde", 5, 1, "abcde", 0, 5, -5);
+  test("abcde", 5, 1, "abcde", 0, 6, -5);
+  test("abcde", 5, 1, "abcde", 1, 0, 0);
+  test("abcde", 5, 1, "abcde", 1, 1, -1);
+  test("abcde", 5, 1, "abcde", 1, 2, -2);
+  test("abcde", 5, 1, "abcde", 1, 3, -3);
+  test("abcde", 5, 1, "abcde", 1, 4, -4);
+  test("abcde", 5, 1, "abcde", 1, 5, -4);
+  test("abcde", 5, 1, "abcde", 2, 0, 0);
+  test("abcde", 5, 1, "abcde", 2, 1, -1);
+  test("abcde", 5, 1, "abcde", 2, 2, -2);
+  test("abcde", 5, 1, "abcde", 2, 3, -3);
+  test("abcde", 5, 1, "abcde", 2, 4, -3);
+  test("abcde", 5, 1, "abcde", 4, 0, 0);
+  test("abcde", 5, 1, "abcde", 4, 1, -1);
+  test("abcde", 5, 1, "abcde", 4, 2, -1);
+  test("abcde", 5, 1, "abcde", 5, 0, 0);
 }
 
-void test18()
-{
-    test("abcde", 5, 1, "abcde", 5, 1, 0);
-    test("abcde", 5, 1, "abcde", 6, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 0, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 0, 1, -1);
-    test("abcde", 5, 1, "abcdefghij", 0, 5, -5);
-    test("abcde", 5, 1, "abcdefghij", 0, 9, -9);
-    test("abcde", 5, 1, "abcdefghij", 0, 10, -10);
-    test("abcde", 5, 1, "abcdefghij", 0, 11, -10);
-    test("abcde", 5, 1, "abcdefghij", 1, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 1, 1, -1);
-    test("abcde", 5, 1, "abcdefghij", 1, 4, -4);
-    test("abcde", 5, 1, "abcdefghij", 1, 8, -8);
-    test("abcde", 5, 1, "abcdefghij", 1, 9, -9);
-    test("abcde", 5, 1, "abcdefghij", 1, 10, -9);
-    test("abcde", 5, 1, "abcdefghij", 5, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 5, 1, -1);
-    test("abcde", 5, 1, "abcdefghij", 5, 2, -2);
-    test("abcde", 5, 1, "abcdefghij", 5, 4, -4);
-    test("abcde", 5, 1, "abcdefghij", 5, 5, -5);
-    test("abcde", 5, 1, "abcdefghij", 5, 6, -5);
-    test("abcde", 5, 1, "abcdefghij", 9, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 9, 1, -1);
-    test("abcde", 5, 1, "abcdefghij", 9, 2, -1);
-    test("abcde", 5, 1, "abcdefghij", 10, 0, 0);
-    test("abcde", 5, 1, "abcdefghij", 10, 1, 0);
-    test("abcde", 5, 1, "abcdefghij", 11, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcde", 6, 0, "", 0, 0, 0);
-    test("abcde", 6, 0, "", 0, 1, 0);
-    test("abcde", 6, 0, "", 1, 0, 0);
-    test("abcde", 6, 0, "abcde", 0, 0, 0);
-    test("abcde", 6, 0, "abcde", 0, 1, 0);
-    test("abcde", 6, 0, "abcde", 0, 2, 0);
-    test("abcde", 6, 0, "abcde", 0, 4, 0);
-    test("abcde", 6, 0, "abcde", 0, 5, 0);
-    test("abcde", 6, 0, "abcde", 0, 6, 0);
-    test("abcde", 6, 0, "abcde", 1, 0, 0);
-    test("abcde", 6, 0, "abcde", 1, 1, 0);
-    test("abcde", 6, 0, "abcde", 1, 2, 0);
-    test("abcde", 6, 0, "abcde", 1, 3, 0);
-    test("abcde", 6, 0, "abcde", 1, 4, 0);
-    test("abcde", 6, 0, "abcde", 1, 5, 0);
-    test("abcde", 6, 0, "abcde", 2, 0, 0);
-    test("abcde", 6, 0, "abcde", 2, 1, 0);
-    test("abcde", 6, 0, "abcde", 2, 2, 0);
-    test("abcde", 6, 0, "abcde", 2, 3, 0);
-    test("abcde", 6, 0, "abcde", 2, 4, 0);
-    test("abcde", 6, 0, "abcde", 4, 0, 0);
-    test("abcde", 6, 0, "abcde", 4, 1, 0);
-    test("abcde", 6, 0, "abcde", 4, 2, 0);
-    test("abcde", 6, 0, "abcde", 5, 0, 0);
-    test("abcde", 6, 0, "abcde", 5, 1, 0);
-    test("abcde", 6, 0, "abcde", 6, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 5, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 9, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 10, 0);
-    test("abcde", 6, 0, "abcdefghij", 0, 11, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 4, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 8, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 9, 0);
-    test("abcde", 6, 0, "abcdefghij", 1, 10, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 2, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 4, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 5, 0);
-    test("abcde", 6, 0, "abcdefghij", 5, 6, 0);
-    test("abcde", 6, 0, "abcdefghij", 9, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 9, 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 9, 2, 0);
-    test("abcde", 6, 0, "abcdefghij", 10, 0, 0);
-    test("abcde", 6, 0, "abcdefghij", 10, 1, 0);
-    test("abcde", 6, 0, "abcdefghij", 11, 0, 0);
+void test18() {
+  test("abcde", 5, 1, "abcde", 5, 1, 0);
+  test("abcde", 5, 1, "abcde", 6, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 0, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 0, 1, -1);
+  test("abcde", 5, 1, "abcdefghij", 0, 5, -5);
+  test("abcde", 5, 1, "abcdefghij", 0, 9, -9);
+  test("abcde", 5, 1, "abcdefghij", 0, 10, -10);
+  test("abcde", 5, 1, "abcdefghij", 0, 11, -10);
+  test("abcde", 5, 1, "abcdefghij", 1, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 1, 1, -1);
+  test("abcde", 5, 1, "abcdefghij", 1, 4, -4);
+  test("abcde", 5, 1, "abcdefghij", 1, 8, -8);
+  test("abcde", 5, 1, "abcdefghij", 1, 9, -9);
+  test("abcde", 5, 1, "abcdefghij", 1, 10, -9);
+  test("abcde", 5, 1, "abcdefghij", 5, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 5, 1, -1);
+  test("abcde", 5, 1, "abcdefghij", 5, 2, -2);
+  test("abcde", 5, 1, "abcdefghij", 5, 4, -4);
+  test("abcde", 5, 1, "abcdefghij", 5, 5, -5);
+  test("abcde", 5, 1, "abcdefghij", 5, 6, -5);
+  test("abcde", 5, 1, "abcdefghij", 9, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 9, 1, -1);
+  test("abcde", 5, 1, "abcdefghij", 9, 2, -1);
+  test("abcde", 5, 1, "abcdefghij", 10, 0, 0);
+  test("abcde", 5, 1, "abcdefghij", 10, 1, 0);
+  test("abcde", 5, 1, "abcdefghij", 11, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcde", 6, 0, "", 0, 0, 0);
+  test("abcde", 6, 0, "", 0, 1, 0);
+  test("abcde", 6, 0, "", 1, 0, 0);
+  test("abcde", 6, 0, "abcde", 0, 0, 0);
+  test("abcde", 6, 0, "abcde", 0, 1, 0);
+  test("abcde", 6, 0, "abcde", 0, 2, 0);
+  test("abcde", 6, 0, "abcde", 0, 4, 0);
+  test("abcde", 6, 0, "abcde", 0, 5, 0);
+  test("abcde", 6, 0, "abcde", 0, 6, 0);
+  test("abcde", 6, 0, "abcde", 1, 0, 0);
+  test("abcde", 6, 0, "abcde", 1, 1, 0);
+  test("abcde", 6, 0, "abcde", 1, 2, 0);
+  test("abcde", 6, 0, "abcde", 1, 3, 0);
+  test("abcde", 6, 0, "abcde", 1, 4, 0);
+  test("abcde", 6, 0, "abcde", 1, 5, 0);
+  test("abcde", 6, 0, "abcde", 2, 0, 0);
+  test("abcde", 6, 0, "abcde", 2, 1, 0);
+  test("abcde", 6, 0, "abcde", 2, 2, 0);
+  test("abcde", 6, 0, "abcde", 2, 3, 0);
+  test("abcde", 6, 0, "abcde", 2, 4, 0);
+  test("abcde", 6, 0, "abcde", 4, 0, 0);
+  test("abcde", 6, 0, "abcde", 4, 1, 0);
+  test("abcde", 6, 0, "abcde", 4, 2, 0);
+  test("abcde", 6, 0, "abcde", 5, 0, 0);
+  test("abcde", 6, 0, "abcde", 5, 1, 0);
+  test("abcde", 6, 0, "abcde", 6, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 5, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 9, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 10, 0);
+  test("abcde", 6, 0, "abcdefghij", 0, 11, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 4, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 8, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 9, 0);
+  test("abcde", 6, 0, "abcdefghij", 1, 10, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 2, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 4, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 5, 0);
+  test("abcde", 6, 0, "abcdefghij", 5, 6, 0);
+  test("abcde", 6, 0, "abcdefghij", 9, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 9, 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 9, 2, 0);
+  test("abcde", 6, 0, "abcdefghij", 10, 0, 0);
+  test("abcde", 6, 0, "abcdefghij", 10, 1, 0);
+  test("abcde", 6, 0, "abcdefghij", 11, 0, 0);
 }
 
-void test19()
-{
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 19, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 18, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 5, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 9, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcde", 6, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 0, "", 0, 0, 0);
-    test("abcdefghij", 0, 0, "", 0, 1, 0);
-    test("abcdefghij", 0, 0, "", 1, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 0, 1, -1);
-    test("abcdefghij", 0, 0, "abcde", 0, 2, -2);
-    test("abcdefghij", 0, 0, "abcde", 0, 4, -4);
-    test("abcdefghij", 0, 0, "abcde", 0, 5, -5);
-    test("abcdefghij", 0, 0, "abcde", 0, 6, -5);
-    test("abcdefghij", 0, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 0, "abcde", 1, 2, -2);
-    test("abcdefghij", 0, 0, "abcde", 1, 3, -3);
-    test("abcdefghij", 0, 0, "abcde", 1, 4, -4);
-    test("abcdefghij", 0, 0, "abcde", 1, 5, -4);
-    test("abcdefghij", 0, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 2, 1, -1);
-    test("abcdefghij", 0, 0, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 0, "abcde", 2, 3, -3);
-    test("abcdefghij", 0, 0, "abcde", 2, 4, -3);
-    test("abcdefghij", 0, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 4, 1, -1);
-    test("abcdefghij", 0, 0, "abcde", 4, 2, -1);
-    test("abcdefghij", 0, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 0, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 0, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 0, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 0, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 0, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 0, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 1, "", 0, 0, 1);
-    test("abcdefghij", 0, 1, "", 0, 1, 1);
+void test19() {
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 19, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 18, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 5, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 9, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcde", 6, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 0, "", 0, 0, 0);
+  test("abcdefghij", 0, 0, "", 0, 1, 0);
+  test("abcdefghij", 0, 0, "", 1, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 0, 1, -1);
+  test("abcdefghij", 0, 0, "abcde", 0, 2, -2);
+  test("abcdefghij", 0, 0, "abcde", 0, 4, -4);
+  test("abcdefghij", 0, 0, "abcde", 0, 5, -5);
+  test("abcdefghij", 0, 0, "abcde", 0, 6, -5);
+  test("abcdefghij", 0, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 0, "abcde", 1, 2, -2);
+  test("abcdefghij", 0, 0, "abcde", 1, 3, -3);
+  test("abcdefghij", 0, 0, "abcde", 1, 4, -4);
+  test("abcdefghij", 0, 0, "abcde", 1, 5, -4);
+  test("abcdefghij", 0, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 2, 1, -1);
+  test("abcdefghij", 0, 0, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 0, "abcde", 2, 3, -3);
+  test("abcdefghij", 0, 0, "abcde", 2, 4, -3);
+  test("abcdefghij", 0, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 4, 1, -1);
+  test("abcdefghij", 0, 0, "abcde", 4, 2, -1);
+  test("abcdefghij", 0, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 0, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 0, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 0, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 0, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 0, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 0, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 1, "", 0, 0, 1);
+  test("abcdefghij", 0, 1, "", 0, 1, 1);
 }
 
-void test20()
-{
-    test("abcdefghij", 0, 1, "", 1, 0, 0);
-    test("abcdefghij", 0, 1, "abcde", 0, 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 0, 1, 0);
-    test("abcdefghij", 0, 1, "abcde", 0, 2, -1);
-    test("abcdefghij", 0, 1, "abcde", 0, 4, -3);
-    test("abcdefghij", 0, 1, "abcde", 0, 5, -4);
-    test("abcdefghij", 0, 1, "abcde", 0, 6, -4);
-    test("abcdefghij", 0, 1, "abcde", 1, 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 1, "abcde", 1, 2, -1);
-    test("abcdefghij", 0, 1, "abcde", 1, 3, -1);
-    test("abcdefghij", 0, 1, "abcde", 1, 4, -1);
-    test("abcdefghij", 0, 1, "abcde", 1, 5, -1);
-    test("abcdefghij", 0, 1, "abcde", 2, 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 2, 1, -2);
-    test("abcdefghij", 0, 1, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 1, "abcde", 2, 3, -2);
-    test("abcdefghij", 0, 1, "abcde", 2, 4, -2);
-    test("abcdefghij", 0, 1, "abcde", 4, 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 4, 1, -4);
-    test("abcdefghij", 0, 1, "abcde", 4, 2, -4);
-    test("abcdefghij", 0, 1, "abcde", 5, 0, 1);
-    test("abcdefghij", 0, 1, "abcde", 5, 1, 1);
-    test("abcdefghij", 0, 1, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 1, 0);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 5, -4);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 9, -8);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 10, -9);
-    test("abcdefghij", 0, 1, "abcdefghij", 0, 11, -9);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 4, -1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 8, -1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 0, 1, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 1, -5);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 2, -5);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 4, -5);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 1, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 9, 1, -9);
-    test("abcdefghij", 0, 1, "abcdefghij", 9, 2, -9);
-    test("abcdefghij", 0, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghij", 0, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 5, "", 0, 0, 5);
-    test("abcdefghij", 0, 5, "", 0, 1, 5);
-    test("abcdefghij", 0, 5, "", 1, 0, 0);
-    test("abcdefghij", 0, 5, "abcde", 0, 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 0, 1, 4);
-    test("abcdefghij", 0, 5, "abcde", 0, 2, 3);
-    test("abcdefghij", 0, 5, "abcde", 0, 4, 1);
-    test("abcdefghij", 0, 5, "abcde", 0, 5, 0);
-    test("abcdefghij", 0, 5, "abcde", 0, 6, 0);
-    test("abcdefghij", 0, 5, "abcde", 1, 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 5, "abcde", 1, 2, -1);
-    test("abcdefghij", 0, 5, "abcde", 1, 3, -1);
-    test("abcdefghij", 0, 5, "abcde", 1, 4, -1);
-    test("abcdefghij", 0, 5, "abcde", 1, 5, -1);
-    test("abcdefghij", 0, 5, "abcde", 2, 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 2, 1, -2);
-    test("abcdefghij", 0, 5, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 5, "abcde", 2, 3, -2);
-    test("abcdefghij", 0, 5, "abcde", 2, 4, -2);
-    test("abcdefghij", 0, 5, "abcde", 4, 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 4, 1, -4);
-    test("abcdefghij", 0, 5, "abcde", 4, 2, -4);
-    test("abcdefghij", 0, 5, "abcde", 5, 0, 5);
-    test("abcdefghij", 0, 5, "abcde", 5, 1, 5);
-    test("abcdefghij", 0, 5, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 1, 4);
+void test20() {
+  test("abcdefghij", 0, 1, "", 1, 0, 0);
+  test("abcdefghij", 0, 1, "abcde", 0, 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 0, 1, 0);
+  test("abcdefghij", 0, 1, "abcde", 0, 2, -1);
+  test("abcdefghij", 0, 1, "abcde", 0, 4, -3);
+  test("abcdefghij", 0, 1, "abcde", 0, 5, -4);
+  test("abcdefghij", 0, 1, "abcde", 0, 6, -4);
+  test("abcdefghij", 0, 1, "abcde", 1, 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 1, "abcde", 1, 2, -1);
+  test("abcdefghij", 0, 1, "abcde", 1, 3, -1);
+  test("abcdefghij", 0, 1, "abcde", 1, 4, -1);
+  test("abcdefghij", 0, 1, "abcde", 1, 5, -1);
+  test("abcdefghij", 0, 1, "abcde", 2, 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 2, 1, -2);
+  test("abcdefghij", 0, 1, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 1, "abcde", 2, 3, -2);
+  test("abcdefghij", 0, 1, "abcde", 2, 4, -2);
+  test("abcdefghij", 0, 1, "abcde", 4, 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 4, 1, -4);
+  test("abcdefghij", 0, 1, "abcde", 4, 2, -4);
+  test("abcdefghij", 0, 1, "abcde", 5, 0, 1);
+  test("abcdefghij", 0, 1, "abcde", 5, 1, 1);
+  test("abcdefghij", 0, 1, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 1, 0);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 5, -4);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 9, -8);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 10, -9);
+  test("abcdefghij", 0, 1, "abcdefghij", 0, 11, -9);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 4, -1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 8, -1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 0, 1, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 1, -5);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 2, -5);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 4, -5);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 1, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 9, 1, -9);
+  test("abcdefghij", 0, 1, "abcdefghij", 9, 2, -9);
+  test("abcdefghij", 0, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghij", 0, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 5, "", 0, 0, 5);
+  test("abcdefghij", 0, 5, "", 0, 1, 5);
+  test("abcdefghij", 0, 5, "", 1, 0, 0);
+  test("abcdefghij", 0, 5, "abcde", 0, 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 0, 1, 4);
+  test("abcdefghij", 0, 5, "abcde", 0, 2, 3);
+  test("abcdefghij", 0, 5, "abcde", 0, 4, 1);
+  test("abcdefghij", 0, 5, "abcde", 0, 5, 0);
+  test("abcdefghij", 0, 5, "abcde", 0, 6, 0);
+  test("abcdefghij", 0, 5, "abcde", 1, 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 5, "abcde", 1, 2, -1);
+  test("abcdefghij", 0, 5, "abcde", 1, 3, -1);
+  test("abcdefghij", 0, 5, "abcde", 1, 4, -1);
+  test("abcdefghij", 0, 5, "abcde", 1, 5, -1);
+  test("abcdefghij", 0, 5, "abcde", 2, 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 2, 1, -2);
+  test("abcdefghij", 0, 5, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 5, "abcde", 2, 3, -2);
+  test("abcdefghij", 0, 5, "abcde", 2, 4, -2);
+  test("abcdefghij", 0, 5, "abcde", 4, 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 4, 1, -4);
+  test("abcdefghij", 0, 5, "abcde", 4, 2, -4);
+  test("abcdefghij", 0, 5, "abcde", 5, 0, 5);
+  test("abcdefghij", 0, 5, "abcde", 5, 1, 5);
+  test("abcdefghij", 0, 5, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 1, 4);
 }
 
-void test21()
-{
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 5, 0);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 9, -4);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 10, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 0, 11, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 4, -1);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 8, -1);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 0, 5, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 1, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 2, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 4, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 5, "abcdefghij", 9, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 9, 1, -9);
-    test("abcdefghij", 0, 5, "abcdefghij", 9, 2, -9);
-    test("abcdefghij", 0, 5, "abcdefghij", 10, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 10, 1, 5);
-    test("abcdefghij", 0, 5, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 9, "", 0, 0, 9);
-    test("abcdefghij", 0, 9, "", 0, 1, 9);
-    test("abcdefghij", 0, 9, "", 1, 0, 0);
-    test("abcdefghij", 0, 9, "abcde", 0, 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 0, 1, 8);
-    test("abcdefghij", 0, 9, "abcde", 0, 2, 7);
-    test("abcdefghij", 0, 9, "abcde", 0, 4, 5);
-    test("abcdefghij", 0, 9, "abcde", 0, 5, 4);
-    test("abcdefghij", 0, 9, "abcde", 0, 6, 4);
-    test("abcdefghij", 0, 9, "abcde", 1, 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 9, "abcde", 1, 2, -1);
-    test("abcdefghij", 0, 9, "abcde", 1, 3, -1);
-    test("abcdefghij", 0, 9, "abcde", 1, 4, -1);
-    test("abcdefghij", 0, 9, "abcde", 1, 5, -1);
-    test("abcdefghij", 0, 9, "abcde", 2, 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 2, 1, -2);
-    test("abcdefghij", 0, 9, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 9, "abcde", 2, 3, -2);
-    test("abcdefghij", 0, 9, "abcde", 2, 4, -2);
-    test("abcdefghij", 0, 9, "abcde", 4, 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 4, 1, -4);
-    test("abcdefghij", 0, 9, "abcde", 4, 2, -4);
-    test("abcdefghij", 0, 9, "abcde", 5, 0, 9);
-    test("abcdefghij", 0, 9, "abcde", 5, 1, 9);
-    test("abcdefghij", 0, 9, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 1, 8);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 5, 4);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 9, 0);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 10, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 0, 11, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 4, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 8, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 1, -5);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 2, -5);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 4, -5);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 9, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 9, "abcdefghij", 9, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 9, 1, -9);
-    test("abcdefghij", 0, 9, "abcdefghij", 9, 2, -9);
-    test("abcdefghij", 0, 9, "abcdefghij", 10, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 10, 1, 9);
-    test("abcdefghij", 0, 9, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 1, 8);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 10, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 19, -10);
+void test21() {
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 5, 0);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 9, -4);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 10, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 0, 11, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 4, -1);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 8, -1);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 0, 5, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 1, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 2, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 4, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 5, "abcdefghij", 9, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 9, 1, -9);
+  test("abcdefghij", 0, 5, "abcdefghij", 9, 2, -9);
+  test("abcdefghij", 0, 5, "abcdefghij", 10, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 10, 1, 5);
+  test("abcdefghij", 0, 5, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 9, "", 0, 0, 9);
+  test("abcdefghij", 0, 9, "", 0, 1, 9);
+  test("abcdefghij", 0, 9, "", 1, 0, 0);
+  test("abcdefghij", 0, 9, "abcde", 0, 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 0, 1, 8);
+  test("abcdefghij", 0, 9, "abcde", 0, 2, 7);
+  test("abcdefghij", 0, 9, "abcde", 0, 4, 5);
+  test("abcdefghij", 0, 9, "abcde", 0, 5, 4);
+  test("abcdefghij", 0, 9, "abcde", 0, 6, 4);
+  test("abcdefghij", 0, 9, "abcde", 1, 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 9, "abcde", 1, 2, -1);
+  test("abcdefghij", 0, 9, "abcde", 1, 3, -1);
+  test("abcdefghij", 0, 9, "abcde", 1, 4, -1);
+  test("abcdefghij", 0, 9, "abcde", 1, 5, -1);
+  test("abcdefghij", 0, 9, "abcde", 2, 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 2, 1, -2);
+  test("abcdefghij", 0, 9, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 9, "abcde", 2, 3, -2);
+  test("abcdefghij", 0, 9, "abcde", 2, 4, -2);
+  test("abcdefghij", 0, 9, "abcde", 4, 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 4, 1, -4);
+  test("abcdefghij", 0, 9, "abcde", 4, 2, -4);
+  test("abcdefghij", 0, 9, "abcde", 5, 0, 9);
+  test("abcdefghij", 0, 9, "abcde", 5, 1, 9);
+  test("abcdefghij", 0, 9, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 1, 8);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 5, 4);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 9, 0);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 10, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 0, 11, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 4, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 8, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 1, -5);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 2, -5);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 4, -5);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 9, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 9, "abcdefghij", 9, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 9, 1, -9);
+  test("abcdefghij", 0, 9, "abcdefghij", 9, 2, -9);
+  test("abcdefghij", 0, 9, "abcdefghij", 10, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 10, 1, 9);
+  test("abcdefghij", 0, 9, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 1, 8);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 10, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 19, -10);
 }
 
-void test22()
-{
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 20, -11);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 21, -11);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 0, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 1, 9);
-    test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 10, "", 0, 0, 10);
-    test("abcdefghij", 0, 10, "", 0, 1, 10);
-    test("abcdefghij", 0, 10, "", 1, 0, 0);
-    test("abcdefghij", 0, 10, "abcde", 0, 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 0, 1, 9);
-    test("abcdefghij", 0, 10, "abcde", 0, 2, 8);
-    test("abcdefghij", 0, 10, "abcde", 0, 4, 6);
-    test("abcdefghij", 0, 10, "abcde", 0, 5, 5);
-    test("abcdefghij", 0, 10, "abcde", 0, 6, 5);
-    test("abcdefghij", 0, 10, "abcde", 1, 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 10, "abcde", 1, 2, -1);
-    test("abcdefghij", 0, 10, "abcde", 1, 3, -1);
-    test("abcdefghij", 0, 10, "abcde", 1, 4, -1);
-    test("abcdefghij", 0, 10, "abcde", 1, 5, -1);
-    test("abcdefghij", 0, 10, "abcde", 2, 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 2, 1, -2);
-    test("abcdefghij", 0, 10, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 10, "abcde", 2, 3, -2);
-    test("abcdefghij", 0, 10, "abcde", 2, 4, -2);
-    test("abcdefghij", 0, 10, "abcde", 4, 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 4, 1, -4);
-    test("abcdefghij", 0, 10, "abcde", 4, 2, -4);
-    test("abcdefghij", 0, 10, "abcde", 5, 0, 10);
-    test("abcdefghij", 0, 10, "abcde", 5, 1, 10);
-    test("abcdefghij", 0, 10, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 1, 9);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 10, 0);
-    test("abcdefghij", 0, 10, "abcdefghij", 0, 11, 0);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 4, -1);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 8, -1);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 0, 10, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 1, -5);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 2, -5);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 4, -5);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 10, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 10, "abcdefghij", 9, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 9, 1, -9);
-    test("abcdefghij", 0, 10, "abcdefghij", 9, 2, -9);
-    test("abcdefghij", 0, 10, "abcdefghij", 10, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 10, 1, 10);
-    test("abcdefghij", 0, 10, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
-    test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 0, 11, "", 0, 0, 10);
-    test("abcdefghij", 0, 11, "", 0, 1, 10);
-    test("abcdefghij", 0, 11, "", 1, 0, 0);
-    test("abcdefghij", 0, 11, "abcde", 0, 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 0, 1, 9);
-    test("abcdefghij", 0, 11, "abcde", 0, 2, 8);
+void test22() {
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 20, -11);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 21, -11);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 0, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 1, 9);
+  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 10, "", 0, 0, 10);
+  test("abcdefghij", 0, 10, "", 0, 1, 10);
+  test("abcdefghij", 0, 10, "", 1, 0, 0);
+  test("abcdefghij", 0, 10, "abcde", 0, 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 0, 1, 9);
+  test("abcdefghij", 0, 10, "abcde", 0, 2, 8);
+  test("abcdefghij", 0, 10, "abcde", 0, 4, 6);
+  test("abcdefghij", 0, 10, "abcde", 0, 5, 5);
+  test("abcdefghij", 0, 10, "abcde", 0, 6, 5);
+  test("abcdefghij", 0, 10, "abcde", 1, 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 10, "abcde", 1, 2, -1);
+  test("abcdefghij", 0, 10, "abcde", 1, 3, -1);
+  test("abcdefghij", 0, 10, "abcde", 1, 4, -1);
+  test("abcdefghij", 0, 10, "abcde", 1, 5, -1);
+  test("abcdefghij", 0, 10, "abcde", 2, 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 2, 1, -2);
+  test("abcdefghij", 0, 10, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 10, "abcde", 2, 3, -2);
+  test("abcdefghij", 0, 10, "abcde", 2, 4, -2);
+  test("abcdefghij", 0, 10, "abcde", 4, 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 4, 1, -4);
+  test("abcdefghij", 0, 10, "abcde", 4, 2, -4);
+  test("abcdefghij", 0, 10, "abcde", 5, 0, 10);
+  test("abcdefghij", 0, 10, "abcde", 5, 1, 10);
+  test("abcdefghij", 0, 10, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 1, 9);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 10, 0);
+  test("abcdefghij", 0, 10, "abcdefghij", 0, 11, 0);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 4, -1);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 8, -1);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 0, 10, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 1, -5);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 2, -5);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 4, -5);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 10, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 10, "abcdefghij", 9, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 9, 1, -9);
+  test("abcdefghij", 0, 10, "abcdefghij", 9, 2, -9);
+  test("abcdefghij", 0, 10, "abcdefghij", 10, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 10, 1, 10);
+  test("abcdefghij", 0, 10, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
+  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 0, 11, "", 0, 0, 10);
+  test("abcdefghij", 0, 11, "", 0, 1, 10);
+  test("abcdefghij", 0, 11, "", 1, 0, 0);
+  test("abcdefghij", 0, 11, "abcde", 0, 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 0, 1, 9);
+  test("abcdefghij", 0, 11, "abcde", 0, 2, 8);
 }
 
-void test23()
-{
-    test("abcdefghij", 0, 11, "abcde", 0, 4, 6);
-    test("abcdefghij", 0, 11, "abcde", 0, 5, 5);
-    test("abcdefghij", 0, 11, "abcde", 0, 6, 5);
-    test("abcdefghij", 0, 11, "abcde", 1, 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 1, 1, -1);
-    test("abcdefghij", 0, 11, "abcde", 1, 2, -1);
-    test("abcdefghij", 0, 11, "abcde", 1, 3, -1);
-    test("abcdefghij", 0, 11, "abcde", 1, 4, -1);
-    test("abcdefghij", 0, 11, "abcde", 1, 5, -1);
-    test("abcdefghij", 0, 11, "abcde", 2, 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 2, 1, -2);
-    test("abcdefghij", 0, 11, "abcde", 2, 2, -2);
-    test("abcdefghij", 0, 11, "abcde", 2, 3, -2);
-    test("abcdefghij", 0, 11, "abcde", 2, 4, -2);
-    test("abcdefghij", 0, 11, "abcde", 4, 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 4, 1, -4);
-    test("abcdefghij", 0, 11, "abcde", 4, 2, -4);
-    test("abcdefghij", 0, 11, "abcde", 5, 0, 10);
-    test("abcdefghij", 0, 11, "abcde", 5, 1, 10);
-    test("abcdefghij", 0, 11, "abcde", 6, 0, 0);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 1, 9);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 10, 0);
-    test("abcdefghij", 0, 11, "abcdefghij", 0, 11, 0);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 4, -1);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 8, -1);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 0, 11, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 1, -5);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 2, -5);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 4, -5);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 0, 11, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 0, 11, "abcdefghij", 9, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 9, 1, -9);
-    test("abcdefghij", 0, 11, "abcdefghij", 9, 2, -9);
-    test("abcdefghij", 0, 11, "abcdefghij", 10, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 10, 1, 10);
-    test("abcdefghij", 0, 11, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 1, 9);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 19, -9);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 20, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 21, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 0, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 1, 10);
-    test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 0, "", 0, 0, 0);
-    test("abcdefghij", 1, 0, "", 0, 1, 0);
-    test("abcdefghij", 1, 0, "", 1, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 0, 1, -1);
-    test("abcdefghij", 1, 0, "abcde", 0, 2, -2);
-    test("abcdefghij", 1, 0, "abcde", 0, 4, -4);
-    test("abcdefghij", 1, 0, "abcde", 0, 5, -5);
-    test("abcdefghij", 1, 0, "abcde", 0, 6, -5);
-    test("abcdefghij", 1, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 1, 1, -1);
-    test("abcdefghij", 1, 0, "abcde", 1, 2, -2);
-    test("abcdefghij", 1, 0, "abcde", 1, 3, -3);
-    test("abcdefghij", 1, 0, "abcde", 1, 4, -4);
-    test("abcdefghij", 1, 0, "abcde", 1, 5, -4);
-    test("abcdefghij", 1, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 0, "abcde", 2, 2, -2);
-    test("abcdefghij", 1, 0, "abcde", 2, 3, -3);
-    test("abcdefghij", 1, 0, "abcde", 2, 4, -3);
-    test("abcdefghij", 1, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 4, 1, -1);
-    test("abcdefghij", 1, 0, "abcde", 4, 2, -1);
-    test("abcdefghij", 1, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 1, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 1, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 1, 0, "abcdefghij", 0, 11, -10);
+void test23() {
+  test("abcdefghij", 0, 11, "abcde", 0, 4, 6);
+  test("abcdefghij", 0, 11, "abcde", 0, 5, 5);
+  test("abcdefghij", 0, 11, "abcde", 0, 6, 5);
+  test("abcdefghij", 0, 11, "abcde", 1, 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 1, 1, -1);
+  test("abcdefghij", 0, 11, "abcde", 1, 2, -1);
+  test("abcdefghij", 0, 11, "abcde", 1, 3, -1);
+  test("abcdefghij", 0, 11, "abcde", 1, 4, -1);
+  test("abcdefghij", 0, 11, "abcde", 1, 5, -1);
+  test("abcdefghij", 0, 11, "abcde", 2, 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 2, 1, -2);
+  test("abcdefghij", 0, 11, "abcde", 2, 2, -2);
+  test("abcdefghij", 0, 11, "abcde", 2, 3, -2);
+  test("abcdefghij", 0, 11, "abcde", 2, 4, -2);
+  test("abcdefghij", 0, 11, "abcde", 4, 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 4, 1, -4);
+  test("abcdefghij", 0, 11, "abcde", 4, 2, -4);
+  test("abcdefghij", 0, 11, "abcde", 5, 0, 10);
+  test("abcdefghij", 0, 11, "abcde", 5, 1, 10);
+  test("abcdefghij", 0, 11, "abcde", 6, 0, 0);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 1, 9);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 10, 0);
+  test("abcdefghij", 0, 11, "abcdefghij", 0, 11, 0);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 4, -1);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 8, -1);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 0, 11, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 1, -5);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 2, -5);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 4, -5);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 0, 11, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 0, 11, "abcdefghij", 9, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 9, 1, -9);
+  test("abcdefghij", 0, 11, "abcdefghij", 9, 2, -9);
+  test("abcdefghij", 0, 11, "abcdefghij", 10, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 10, 1, 10);
+  test("abcdefghij", 0, 11, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 1, 9);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 19, -9);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 20, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 21, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 0, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 1, 10);
+  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 0, "", 0, 0, 0);
+  test("abcdefghij", 1, 0, "", 0, 1, 0);
+  test("abcdefghij", 1, 0, "", 1, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 0, 1, -1);
+  test("abcdefghij", 1, 0, "abcde", 0, 2, -2);
+  test("abcdefghij", 1, 0, "abcde", 0, 4, -4);
+  test("abcdefghij", 1, 0, "abcde", 0, 5, -5);
+  test("abcdefghij", 1, 0, "abcde", 0, 6, -5);
+  test("abcdefghij", 1, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 1, 1, -1);
+  test("abcdefghij", 1, 0, "abcde", 1, 2, -2);
+  test("abcdefghij", 1, 0, "abcde", 1, 3, -3);
+  test("abcdefghij", 1, 0, "abcde", 1, 4, -4);
+  test("abcdefghij", 1, 0, "abcde", 1, 5, -4);
+  test("abcdefghij", 1, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 0, "abcde", 2, 2, -2);
+  test("abcdefghij", 1, 0, "abcde", 2, 3, -3);
+  test("abcdefghij", 1, 0, "abcde", 2, 4, -3);
+  test("abcdefghij", 1, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 4, 1, -1);
+  test("abcdefghij", 1, 0, "abcde", 4, 2, -1);
+  test("abcdefghij", 1, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 1, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 1, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 1, 0, "abcdefghij", 0, 11, -10);
 }
 
-void test24()
-{
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 1, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 1, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 1, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 1, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 1, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 1, "", 0, 0, 1);
-    test("abcdefghij", 1, 1, "", 0, 1, 1);
-    test("abcdefghij", 1, 1, "", 1, 0, 0);
-    test("abcdefghij", 1, 1, "abcde", 0, 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 1, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 2, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 4, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 5, 1);
-    test("abcdefghij", 1, 1, "abcde", 0, 6, 1);
-    test("abcdefghij", 1, 1, "abcde", 1, 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 1, 1, 0);
-    test("abcdefghij", 1, 1, "abcde", 1, 2, -1);
-    test("abcdefghij", 1, 1, "abcde", 1, 3, -2);
-    test("abcdefghij", 1, 1, "abcde", 1, 4, -3);
-    test("abcdefghij", 1, 1, "abcde", 1, 5, -3);
-    test("abcdefghij", 1, 1, "abcde", 2, 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 1, "abcde", 2, 2, -1);
-    test("abcdefghij", 1, 1, "abcde", 2, 3, -1);
-    test("abcdefghij", 1, 1, "abcde", 2, 4, -1);
-    test("abcdefghij", 1, 1, "abcde", 4, 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 4, 1, -3);
-    test("abcdefghij", 1, 1, "abcde", 4, 2, -3);
-    test("abcdefghij", 1, 1, "abcde", 5, 0, 1);
-    test("abcdefghij", 1, 1, "abcde", 5, 1, 1);
-    test("abcdefghij", 1, 1, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 5, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 10, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 0, 11, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 1, 0);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 4, -3);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 8, -7);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 9, -8);
-    test("abcdefghij", 1, 1, "abcdefghij", 1, 10, -8);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 1, -4);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 2, -4);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 1, 1, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 1, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 9, 1, -8);
-    test("abcdefghij", 1, 1, "abcdefghij", 9, 2, -8);
-    test("abcdefghij", 1, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
+void test24() {
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 1, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 1, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 1, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 1, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 1, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 1, "", 0, 0, 1);
+  test("abcdefghij", 1, 1, "", 0, 1, 1);
+  test("abcdefghij", 1, 1, "", 1, 0, 0);
+  test("abcdefghij", 1, 1, "abcde", 0, 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 1, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 2, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 4, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 5, 1);
+  test("abcdefghij", 1, 1, "abcde", 0, 6, 1);
+  test("abcdefghij", 1, 1, "abcde", 1, 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 1, 1, 0);
+  test("abcdefghij", 1, 1, "abcde", 1, 2, -1);
+  test("abcdefghij", 1, 1, "abcde", 1, 3, -2);
+  test("abcdefghij", 1, 1, "abcde", 1, 4, -3);
+  test("abcdefghij", 1, 1, "abcde", 1, 5, -3);
+  test("abcdefghij", 1, 1, "abcde", 2, 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 1, "abcde", 2, 2, -1);
+  test("abcdefghij", 1, 1, "abcde", 2, 3, -1);
+  test("abcdefghij", 1, 1, "abcde", 2, 4, -1);
+  test("abcdefghij", 1, 1, "abcde", 4, 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 4, 1, -3);
+  test("abcdefghij", 1, 1, "abcde", 4, 2, -3);
+  test("abcdefghij", 1, 1, "abcde", 5, 0, 1);
+  test("abcdefghij", 1, 1, "abcde", 5, 1, 1);
+  test("abcdefghij", 1, 1, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 5, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 10, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 0, 11, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 1, 0);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 4, -3);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 8, -7);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 9, -8);
+  test("abcdefghij", 1, 1, "abcdefghij", 1, 10, -8);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 1, -4);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 2, -4);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 1, 1, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 1, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 9, 1, -8);
+  test("abcdefghij", 1, 1, "abcdefghij", 9, 2, -8);
+  test("abcdefghij", 1, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
 }
 
-void test25()
-{
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 4, "", 0, 0, 4);
-    test("abcdefghij", 1, 4, "", 0, 1, 4);
-    test("abcdefghij", 1, 4, "", 1, 0, 0);
-    test("abcdefghij", 1, 4, "abcde", 0, 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 0, 1, 1);
-    test("abcdefghij", 1, 4, "abcde", 0, 2, 1);
-    test("abcdefghij", 1, 4, "abcde", 0, 4, 1);
-    test("abcdefghij", 1, 4, "abcde", 0, 5, 1);
-    test("abcdefghij", 1, 4, "abcde", 0, 6, 1);
-    test("abcdefghij", 1, 4, "abcde", 1, 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 1, 1, 3);
-    test("abcdefghij", 1, 4, "abcde", 1, 2, 2);
-    test("abcdefghij", 1, 4, "abcde", 1, 3, 1);
-    test("abcdefghij", 1, 4, "abcde", 1, 4, 0);
-    test("abcdefghij", 1, 4, "abcde", 1, 5, 0);
-    test("abcdefghij", 1, 4, "abcde", 2, 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 4, "abcde", 2, 2, -1);
-    test("abcdefghij", 1, 4, "abcde", 2, 3, -1);
-    test("abcdefghij", 1, 4, "abcde", 2, 4, -1);
-    test("abcdefghij", 1, 4, "abcde", 4, 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 4, 1, -3);
-    test("abcdefghij", 1, 4, "abcde", 4, 2, -3);
-    test("abcdefghij", 1, 4, "abcde", 5, 0, 4);
-    test("abcdefghij", 1, 4, "abcde", 5, 1, 4);
-    test("abcdefghij", 1, 4, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 1, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 5, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 10, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 0, 11, 1);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 1, 3);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 4, 0);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 8, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 9, -5);
-    test("abcdefghij", 1, 4, "abcdefghij", 1, 10, -5);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 1, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 2, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 1, 4, "abcdefghij", 9, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 9, 1, -8);
-    test("abcdefghij", 1, 4, "abcdefghij", 9, 2, -8);
-    test("abcdefghij", 1, 4, "abcdefghij", 10, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 10, 1, 4);
-    test("abcdefghij", 1, 4, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
-    test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 8, "", 0, 0, 8);
-    test("abcdefghij", 1, 8, "", 0, 1, 8);
-    test("abcdefghij", 1, 8, "", 1, 0, 0);
-    test("abcdefghij", 1, 8, "abcde", 0, 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 0, 1, 1);
-    test("abcdefghij", 1, 8, "abcde", 0, 2, 1);
-    test("abcdefghij", 1, 8, "abcde", 0, 4, 1);
-    test("abcdefghij", 1, 8, "abcde", 0, 5, 1);
-    test("abcdefghij", 1, 8, "abcde", 0, 6, 1);
-    test("abcdefghij", 1, 8, "abcde", 1, 0, 8);
+void test25() {
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 4, "", 0, 0, 4);
+  test("abcdefghij", 1, 4, "", 0, 1, 4);
+  test("abcdefghij", 1, 4, "", 1, 0, 0);
+  test("abcdefghij", 1, 4, "abcde", 0, 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 0, 1, 1);
+  test("abcdefghij", 1, 4, "abcde", 0, 2, 1);
+  test("abcdefghij", 1, 4, "abcde", 0, 4, 1);
+  test("abcdefghij", 1, 4, "abcde", 0, 5, 1);
+  test("abcdefghij", 1, 4, "abcde", 0, 6, 1);
+  test("abcdefghij", 1, 4, "abcde", 1, 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 1, 1, 3);
+  test("abcdefghij", 1, 4, "abcde", 1, 2, 2);
+  test("abcdefghij", 1, 4, "abcde", 1, 3, 1);
+  test("abcdefghij", 1, 4, "abcde", 1, 4, 0);
+  test("abcdefghij", 1, 4, "abcde", 1, 5, 0);
+  test("abcdefghij", 1, 4, "abcde", 2, 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 4, "abcde", 2, 2, -1);
+  test("abcdefghij", 1, 4, "abcde", 2, 3, -1);
+  test("abcdefghij", 1, 4, "abcde", 2, 4, -1);
+  test("abcdefghij", 1, 4, "abcde", 4, 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 4, 1, -3);
+  test("abcdefghij", 1, 4, "abcde", 4, 2, -3);
+  test("abcdefghij", 1, 4, "abcde", 5, 0, 4);
+  test("abcdefghij", 1, 4, "abcde", 5, 1, 4);
+  test("abcdefghij", 1, 4, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 1, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 5, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 10, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 0, 11, 1);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 1, 3);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 4, 0);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 8, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 9, -5);
+  test("abcdefghij", 1, 4, "abcdefghij", 1, 10, -5);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 1, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 2, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 1, 4, "abcdefghij", 9, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 9, 1, -8);
+  test("abcdefghij", 1, 4, "abcdefghij", 9, 2, -8);
+  test("abcdefghij", 1, 4, "abcdefghij", 10, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 10, 1, 4);
+  test("abcdefghij", 1, 4, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
+  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 8, "", 0, 0, 8);
+  test("abcdefghij", 1, 8, "", 0, 1, 8);
+  test("abcdefghij", 1, 8, "", 1, 0, 0);
+  test("abcdefghij", 1, 8, "abcde", 0, 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 0, 1, 1);
+  test("abcdefghij", 1, 8, "abcde", 0, 2, 1);
+  test("abcdefghij", 1, 8, "abcde", 0, 4, 1);
+  test("abcdefghij", 1, 8, "abcde", 0, 5, 1);
+  test("abcdefghij", 1, 8, "abcde", 0, 6, 1);
+  test("abcdefghij", 1, 8, "abcde", 1, 0, 8);
 }
 
-void test26()
-{
-    test("abcdefghij", 1, 8, "abcde", 1, 1, 7);
-    test("abcdefghij", 1, 8, "abcde", 1, 2, 6);
-    test("abcdefghij", 1, 8, "abcde", 1, 3, 5);
-    test("abcdefghij", 1, 8, "abcde", 1, 4, 4);
-    test("abcdefghij", 1, 8, "abcde", 1, 5, 4);
-    test("abcdefghij", 1, 8, "abcde", 2, 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 8, "abcde", 2, 2, -1);
-    test("abcdefghij", 1, 8, "abcde", 2, 3, -1);
-    test("abcdefghij", 1, 8, "abcde", 2, 4, -1);
-    test("abcdefghij", 1, 8, "abcde", 4, 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 4, 1, -3);
-    test("abcdefghij", 1, 8, "abcde", 4, 2, -3);
-    test("abcdefghij", 1, 8, "abcde", 5, 0, 8);
-    test("abcdefghij", 1, 8, "abcde", 5, 1, 8);
-    test("abcdefghij", 1, 8, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 1, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 5, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 10, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 0, 11, 1);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 1, 7);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 8, 0);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 9, -1);
-    test("abcdefghij", 1, 8, "abcdefghij", 1, 10, -1);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 1, -4);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 2, -4);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 1, 8, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 1, 8, "abcdefghij", 9, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 9, 1, -8);
-    test("abcdefghij", 1, 8, "abcdefghij", 9, 2, -8);
-    test("abcdefghij", 1, 8, "abcdefghij", 10, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 10, 1, 8);
-    test("abcdefghij", 1, 8, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 1, 7);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 18, -10);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 19, -11);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 20, -11);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 0, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 1, 8);
-    test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 9, "", 0, 0, 9);
-    test("abcdefghij", 1, 9, "", 0, 1, 9);
-    test("abcdefghij", 1, 9, "", 1, 0, 0);
-    test("abcdefghij", 1, 9, "abcde", 0, 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 0, 1, 1);
-    test("abcdefghij", 1, 9, "abcde", 0, 2, 1);
-    test("abcdefghij", 1, 9, "abcde", 0, 4, 1);
-    test("abcdefghij", 1, 9, "abcde", 0, 5, 1);
-    test("abcdefghij", 1, 9, "abcde", 0, 6, 1);
-    test("abcdefghij", 1, 9, "abcde", 1, 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 1, 1, 8);
-    test("abcdefghij", 1, 9, "abcde", 1, 2, 7);
-    test("abcdefghij", 1, 9, "abcde", 1, 3, 6);
-    test("abcdefghij", 1, 9, "abcde", 1, 4, 5);
-    test("abcdefghij", 1, 9, "abcde", 1, 5, 5);
-    test("abcdefghij", 1, 9, "abcde", 2, 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 9, "abcde", 2, 2, -1);
-    test("abcdefghij", 1, 9, "abcde", 2, 3, -1);
-    test("abcdefghij", 1, 9, "abcde", 2, 4, -1);
-    test("abcdefghij", 1, 9, "abcde", 4, 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 4, 1, -3);
-    test("abcdefghij", 1, 9, "abcde", 4, 2, -3);
-    test("abcdefghij", 1, 9, "abcde", 5, 0, 9);
-    test("abcdefghij", 1, 9, "abcde", 5, 1, 9);
-    test("abcdefghij", 1, 9, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 1, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 5, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 10, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 0, 11, 1);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 1, 8);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 4, 5);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 8, 1);
+void test26() {
+  test("abcdefghij", 1, 8, "abcde", 1, 1, 7);
+  test("abcdefghij", 1, 8, "abcde", 1, 2, 6);
+  test("abcdefghij", 1, 8, "abcde", 1, 3, 5);
+  test("abcdefghij", 1, 8, "abcde", 1, 4, 4);
+  test("abcdefghij", 1, 8, "abcde", 1, 5, 4);
+  test("abcdefghij", 1, 8, "abcde", 2, 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 8, "abcde", 2, 2, -1);
+  test("abcdefghij", 1, 8, "abcde", 2, 3, -1);
+  test("abcdefghij", 1, 8, "abcde", 2, 4, -1);
+  test("abcdefghij", 1, 8, "abcde", 4, 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 4, 1, -3);
+  test("abcdefghij", 1, 8, "abcde", 4, 2, -3);
+  test("abcdefghij", 1, 8, "abcde", 5, 0, 8);
+  test("abcdefghij", 1, 8, "abcde", 5, 1, 8);
+  test("abcdefghij", 1, 8, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 1, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 5, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 10, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 0, 11, 1);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 1, 7);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 8, 0);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 9, -1);
+  test("abcdefghij", 1, 8, "abcdefghij", 1, 10, -1);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 1, -4);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 2, -4);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 1, 8, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 1, 8, "abcdefghij", 9, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 9, 1, -8);
+  test("abcdefghij", 1, 8, "abcdefghij", 9, 2, -8);
+  test("abcdefghij", 1, 8, "abcdefghij", 10, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 10, 1, 8);
+  test("abcdefghij", 1, 8, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 1, 7);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 18, -10);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 19, -11);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 20, -11);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 0, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 1, 8);
+  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 9, "", 0, 0, 9);
+  test("abcdefghij", 1, 9, "", 0, 1, 9);
+  test("abcdefghij", 1, 9, "", 1, 0, 0);
+  test("abcdefghij", 1, 9, "abcde", 0, 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 0, 1, 1);
+  test("abcdefghij", 1, 9, "abcde", 0, 2, 1);
+  test("abcdefghij", 1, 9, "abcde", 0, 4, 1);
+  test("abcdefghij", 1, 9, "abcde", 0, 5, 1);
+  test("abcdefghij", 1, 9, "abcde", 0, 6, 1);
+  test("abcdefghij", 1, 9, "abcde", 1, 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 1, 1, 8);
+  test("abcdefghij", 1, 9, "abcde", 1, 2, 7);
+  test("abcdefghij", 1, 9, "abcde", 1, 3, 6);
+  test("abcdefghij", 1, 9, "abcde", 1, 4, 5);
+  test("abcdefghij", 1, 9, "abcde", 1, 5, 5);
+  test("abcdefghij", 1, 9, "abcde", 2, 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 9, "abcde", 2, 2, -1);
+  test("abcdefghij", 1, 9, "abcde", 2, 3, -1);
+  test("abcdefghij", 1, 9, "abcde", 2, 4, -1);
+  test("abcdefghij", 1, 9, "abcde", 4, 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 4, 1, -3);
+  test("abcdefghij", 1, 9, "abcde", 4, 2, -3);
+  test("abcdefghij", 1, 9, "abcde", 5, 0, 9);
+  test("abcdefghij", 1, 9, "abcde", 5, 1, 9);
+  test("abcdefghij", 1, 9, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 1, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 5, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 10, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 0, 11, 1);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 1, 8);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 4, 5);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 8, 1);
 }
 
-void test27()
-{
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 9, 0);
-    test("abcdefghij", 1, 9, "abcdefghij", 1, 10, 0);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 1, -4);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 2, -4);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 1, 9, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 1, 9, "abcdefghij", 9, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 9, 1, -8);
-    test("abcdefghij", 1, 9, "abcdefghij", 9, 2, -8);
-    test("abcdefghij", 1, 9, "abcdefghij", 10, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 10, 1, 9);
-    test("abcdefghij", 1, 9, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
-    test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 1, 10, "", 0, 0, 9);
-    test("abcdefghij", 1, 10, "", 0, 1, 9);
-    test("abcdefghij", 1, 10, "", 1, 0, 0);
-    test("abcdefghij", 1, 10, "abcde", 0, 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 0, 1, 1);
-    test("abcdefghij", 1, 10, "abcde", 0, 2, 1);
-    test("abcdefghij", 1, 10, "abcde", 0, 4, 1);
-    test("abcdefghij", 1, 10, "abcde", 0, 5, 1);
-    test("abcdefghij", 1, 10, "abcde", 0, 6, 1);
-    test("abcdefghij", 1, 10, "abcde", 1, 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 1, 1, 8);
-    test("abcdefghij", 1, 10, "abcde", 1, 2, 7);
-    test("abcdefghij", 1, 10, "abcde", 1, 3, 6);
-    test("abcdefghij", 1, 10, "abcde", 1, 4, 5);
-    test("abcdefghij", 1, 10, "abcde", 1, 5, 5);
-    test("abcdefghij", 1, 10, "abcde", 2, 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 2, 1, -1);
-    test("abcdefghij", 1, 10, "abcde", 2, 2, -1);
-    test("abcdefghij", 1, 10, "abcde", 2, 3, -1);
-    test("abcdefghij", 1, 10, "abcde", 2, 4, -1);
-    test("abcdefghij", 1, 10, "abcde", 4, 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 4, 1, -3);
-    test("abcdefghij", 1, 10, "abcde", 4, 2, -3);
-    test("abcdefghij", 1, 10, "abcde", 5, 0, 9);
-    test("abcdefghij", 1, 10, "abcde", 5, 1, 9);
-    test("abcdefghij", 1, 10, "abcde", 6, 0, 0);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 1, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 5, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 9, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 10, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 0, 11, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 1, 8);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 4, 5);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 8, 1);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 9, 0);
-    test("abcdefghij", 1, 10, "abcdefghij", 1, 10, 0);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 1, -4);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 2, -4);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 1, 10, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 1, 10, "abcdefghij", 9, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 9, 1, -8);
-    test("abcdefghij", 1, 10, "abcdefghij", 9, 2, -8);
-    test("abcdefghij", 1, 10, "abcdefghij", 10, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 10, 1, 9);
-    test("abcdefghij", 1, 10, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 1, 8);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 18, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 19, -10);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 20, -10);
+void test27() {
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 9, 0);
+  test("abcdefghij", 1, 9, "abcdefghij", 1, 10, 0);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 1, -4);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 2, -4);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 1, 9, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 1, 9, "abcdefghij", 9, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 9, 1, -8);
+  test("abcdefghij", 1, 9, "abcdefghij", 9, 2, -8);
+  test("abcdefghij", 1, 9, "abcdefghij", 10, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 10, 1, 9);
+  test("abcdefghij", 1, 9, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
+  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 1, 10, "", 0, 0, 9);
+  test("abcdefghij", 1, 10, "", 0, 1, 9);
+  test("abcdefghij", 1, 10, "", 1, 0, 0);
+  test("abcdefghij", 1, 10, "abcde", 0, 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 0, 1, 1);
+  test("abcdefghij", 1, 10, "abcde", 0, 2, 1);
+  test("abcdefghij", 1, 10, "abcde", 0, 4, 1);
+  test("abcdefghij", 1, 10, "abcde", 0, 5, 1);
+  test("abcdefghij", 1, 10, "abcde", 0, 6, 1);
+  test("abcdefghij", 1, 10, "abcde", 1, 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 1, 1, 8);
+  test("abcdefghij", 1, 10, "abcde", 1, 2, 7);
+  test("abcdefghij", 1, 10, "abcde", 1, 3, 6);
+  test("abcdefghij", 1, 10, "abcde", 1, 4, 5);
+  test("abcdefghij", 1, 10, "abcde", 1, 5, 5);
+  test("abcdefghij", 1, 10, "abcde", 2, 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 2, 1, -1);
+  test("abcdefghij", 1, 10, "abcde", 2, 2, -1);
+  test("abcdefghij", 1, 10, "abcde", 2, 3, -1);
+  test("abcdefghij", 1, 10, "abcde", 2, 4, -1);
+  test("abcdefghij", 1, 10, "abcde", 4, 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 4, 1, -3);
+  test("abcdefghij", 1, 10, "abcde", 4, 2, -3);
+  test("abcdefghij", 1, 10, "abcde", 5, 0, 9);
+  test("abcdefghij", 1, 10, "abcde", 5, 1, 9);
+  test("abcdefghij", 1, 10, "abcde", 6, 0, 0);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 1, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 5, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 9, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 10, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 0, 11, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 1, 8);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 4, 5);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 8, 1);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 9, 0);
+  test("abcdefghij", 1, 10, "abcdefghij", 1, 10, 0);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 1, -4);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 2, -4);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 1, 10, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 1, 10, "abcdefghij", 9, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 9, 1, -8);
+  test("abcdefghij", 1, 10, "abcdefghij", 9, 2, -8);
+  test("abcdefghij", 1, 10, "abcdefghij", 10, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 10, 1, 9);
+  test("abcdefghij", 1, 10, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 1, 8);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 18, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 19, -10);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 20, -10);
 }
 
-void test28()
-{
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 0, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 1, 9);
-    test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 0, "", 0, 0, 0);
-    test("abcdefghij", 5, 0, "", 0, 1, 0);
-    test("abcdefghij", 5, 0, "", 1, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 0, 1, -1);
-    test("abcdefghij", 5, 0, "abcde", 0, 2, -2);
-    test("abcdefghij", 5, 0, "abcde", 0, 4, -4);
-    test("abcdefghij", 5, 0, "abcde", 0, 5, -5);
-    test("abcdefghij", 5, 0, "abcde", 0, 6, -5);
-    test("abcdefghij", 5, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 1, 1, -1);
-    test("abcdefghij", 5, 0, "abcde", 1, 2, -2);
-    test("abcdefghij", 5, 0, "abcde", 1, 3, -3);
-    test("abcdefghij", 5, 0, "abcde", 1, 4, -4);
-    test("abcdefghij", 5, 0, "abcde", 1, 5, -4);
-    test("abcdefghij", 5, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 2, 1, -1);
-    test("abcdefghij", 5, 0, "abcde", 2, 2, -2);
-    test("abcdefghij", 5, 0, "abcde", 2, 3, -3);
-    test("abcdefghij", 5, 0, "abcde", 2, 4, -3);
-    test("abcdefghij", 5, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 4, 1, -1);
-    test("abcdefghij", 5, 0, "abcde", 4, 2, -1);
-    test("abcdefghij", 5, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 5, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 5, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 5, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 5, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 5, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 5, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 5, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 5, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 1, "", 0, 0, 1);
-    test("abcdefghij", 5, 1, "", 0, 1, 1);
-    test("abcdefghij", 5, 1, "", 1, 0, 0);
-    test("abcdefghij", 5, 1, "abcde", 0, 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 0, 1, 5);
-    test("abcdefghij", 5, 1, "abcde", 0, 2, 5);
-    test("abcdefghij", 5, 1, "abcde", 0, 4, 5);
-    test("abcdefghij", 5, 1, "abcde", 0, 5, 5);
-    test("abcdefghij", 5, 1, "abcde", 0, 6, 5);
-    test("abcdefghij", 5, 1, "abcde", 1, 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 1, 1, 4);
-    test("abcdefghij", 5, 1, "abcde", 1, 2, 4);
-    test("abcdefghij", 5, 1, "abcde", 1, 3, 4);
-    test("abcdefghij", 5, 1, "abcde", 1, 4, 4);
+void test28() {
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 0, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 1, 9);
+  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 0, "", 0, 0, 0);
+  test("abcdefghij", 5, 0, "", 0, 1, 0);
+  test("abcdefghij", 5, 0, "", 1, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 0, 1, -1);
+  test("abcdefghij", 5, 0, "abcde", 0, 2, -2);
+  test("abcdefghij", 5, 0, "abcde", 0, 4, -4);
+  test("abcdefghij", 5, 0, "abcde", 0, 5, -5);
+  test("abcdefghij", 5, 0, "abcde", 0, 6, -5);
+  test("abcdefghij", 5, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 1, 1, -1);
+  test("abcdefghij", 5, 0, "abcde", 1, 2, -2);
+  test("abcdefghij", 5, 0, "abcde", 1, 3, -3);
+  test("abcdefghij", 5, 0, "abcde", 1, 4, -4);
+  test("abcdefghij", 5, 0, "abcde", 1, 5, -4);
+  test("abcdefghij", 5, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 2, 1, -1);
+  test("abcdefghij", 5, 0, "abcde", 2, 2, -2);
+  test("abcdefghij", 5, 0, "abcde", 2, 3, -3);
+  test("abcdefghij", 5, 0, "abcde", 2, 4, -3);
+  test("abcdefghij", 5, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 4, 1, -1);
+  test("abcdefghij", 5, 0, "abcde", 4, 2, -1);
+  test("abcdefghij", 5, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 5, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 5, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 5, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 5, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 5, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 5, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 5, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 5, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 1, "", 0, 0, 1);
+  test("abcdefghij", 5, 1, "", 0, 1, 1);
+  test("abcdefghij", 5, 1, "", 1, 0, 0);
+  test("abcdefghij", 5, 1, "abcde", 0, 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 0, 1, 5);
+  test("abcdefghij", 5, 1, "abcde", 0, 2, 5);
+  test("abcdefghij", 5, 1, "abcde", 0, 4, 5);
+  test("abcdefghij", 5, 1, "abcde", 0, 5, 5);
+  test("abcdefghij", 5, 1, "abcde", 0, 6, 5);
+  test("abcdefghij", 5, 1, "abcde", 1, 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 1, 1, 4);
+  test("abcdefghij", 5, 1, "abcde", 1, 2, 4);
+  test("abcdefghij", 5, 1, "abcde", 1, 3, 4);
+  test("abcdefghij", 5, 1, "abcde", 1, 4, 4);
 }
 
-void test29()
-{
-    test("abcdefghij", 5, 1, "abcde", 1, 5, 4);
-    test("abcdefghij", 5, 1, "abcde", 2, 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 2, 1, 3);
-    test("abcdefghij", 5, 1, "abcde", 2, 2, 3);
-    test("abcdefghij", 5, 1, "abcde", 2, 3, 3);
-    test("abcdefghij", 5, 1, "abcde", 2, 4, 3);
-    test("abcdefghij", 5, 1, "abcde", 4, 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 4, 1, 1);
-    test("abcdefghij", 5, 1, "abcde", 4, 2, 1);
-    test("abcdefghij", 5, 1, "abcde", 5, 0, 1);
-    test("abcdefghij", 5, 1, "abcde", 5, 1, 1);
-    test("abcdefghij", 5, 1, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 1, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 9, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 10, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 0, 11, 5);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 1, 4);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 8, 4);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 9, 4);
-    test("abcdefghij", 5, 1, "abcdefghij", 1, 10, 4);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 1, 0);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 2, -1);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 4, -3);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 5, -4);
-    test("abcdefghij", 5, 1, "abcdefghij", 5, 6, -4);
-    test("abcdefghij", 5, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 9, 1, -4);
-    test("abcdefghij", 5, 1, "abcdefghij", 9, 2, -4);
-    test("abcdefghij", 5, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghij", 5, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 1, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 10, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 19, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 20, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 21, 5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 1, 4);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 9, 4);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 18, 4);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 19, 4);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 20, 4);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 1, -5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 9, -5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 1, -14);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 2, -14);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 2, "", 0, 0, 2);
-    test("abcdefghij", 5, 2, "", 0, 1, 2);
-    test("abcdefghij", 5, 2, "", 1, 0, 0);
-    test("abcdefghij", 5, 2, "abcde", 0, 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 0, 1, 5);
-    test("abcdefghij", 5, 2, "abcde", 0, 2, 5);
-    test("abcdefghij", 5, 2, "abcde", 0, 4, 5);
-    test("abcdefghij", 5, 2, "abcde", 0, 5, 5);
-    test("abcdefghij", 5, 2, "abcde", 0, 6, 5);
-    test("abcdefghij", 5, 2, "abcde", 1, 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 1, 1, 4);
-    test("abcdefghij", 5, 2, "abcde", 1, 2, 4);
-    test("abcdefghij", 5, 2, "abcde", 1, 3, 4);
-    test("abcdefghij", 5, 2, "abcde", 1, 4, 4);
-    test("abcdefghij", 5, 2, "abcde", 1, 5, 4);
-    test("abcdefghij", 5, 2, "abcde", 2, 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 2, 1, 3);
-    test("abcdefghij", 5, 2, "abcde", 2, 2, 3);
-    test("abcdefghij", 5, 2, "abcde", 2, 3, 3);
-    test("abcdefghij", 5, 2, "abcde", 2, 4, 3);
-    test("abcdefghij", 5, 2, "abcde", 4, 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 4, 1, 1);
-    test("abcdefghij", 5, 2, "abcde", 4, 2, 1);
-    test("abcdefghij", 5, 2, "abcde", 5, 0, 2);
-    test("abcdefghij", 5, 2, "abcde", 5, 1, 2);
-    test("abcdefghij", 5, 2, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 1, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 9, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 10, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 0, 11, 5);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 1, 4);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 8, 4);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 9, 4);
-    test("abcdefghij", 5, 2, "abcdefghij", 1, 10, 4);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 1, 1);
+void test29() {
+  test("abcdefghij", 5, 1, "abcde", 1, 5, 4);
+  test("abcdefghij", 5, 1, "abcde", 2, 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 2, 1, 3);
+  test("abcdefghij", 5, 1, "abcde", 2, 2, 3);
+  test("abcdefghij", 5, 1, "abcde", 2, 3, 3);
+  test("abcdefghij", 5, 1, "abcde", 2, 4, 3);
+  test("abcdefghij", 5, 1, "abcde", 4, 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 4, 1, 1);
+  test("abcdefghij", 5, 1, "abcde", 4, 2, 1);
+  test("abcdefghij", 5, 1, "abcde", 5, 0, 1);
+  test("abcdefghij", 5, 1, "abcde", 5, 1, 1);
+  test("abcdefghij", 5, 1, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 1, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 9, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 10, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 0, 11, 5);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 1, 4);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 8, 4);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 9, 4);
+  test("abcdefghij", 5, 1, "abcdefghij", 1, 10, 4);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 1, 0);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 2, -1);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 4, -3);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 5, -4);
+  test("abcdefghij", 5, 1, "abcdefghij", 5, 6, -4);
+  test("abcdefghij", 5, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 9, 1, -4);
+  test("abcdefghij", 5, 1, "abcdefghij", 9, 2, -4);
+  test("abcdefghij", 5, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghij", 5, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 1, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 10, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 19, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 20, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 21, 5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 1, 4);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 9, 4);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 18, 4);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 19, 4);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 20, 4);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 1, -5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 9, -5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 1, -14);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 2, -14);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 2, "", 0, 0, 2);
+  test("abcdefghij", 5, 2, "", 0, 1, 2);
+  test("abcdefghij", 5, 2, "", 1, 0, 0);
+  test("abcdefghij", 5, 2, "abcde", 0, 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 0, 1, 5);
+  test("abcdefghij", 5, 2, "abcde", 0, 2, 5);
+  test("abcdefghij", 5, 2, "abcde", 0, 4, 5);
+  test("abcdefghij", 5, 2, "abcde", 0, 5, 5);
+  test("abcdefghij", 5, 2, "abcde", 0, 6, 5);
+  test("abcdefghij", 5, 2, "abcde", 1, 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 1, 1, 4);
+  test("abcdefghij", 5, 2, "abcde", 1, 2, 4);
+  test("abcdefghij", 5, 2, "abcde", 1, 3, 4);
+  test("abcdefghij", 5, 2, "abcde", 1, 4, 4);
+  test("abcdefghij", 5, 2, "abcde", 1, 5, 4);
+  test("abcdefghij", 5, 2, "abcde", 2, 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 2, 1, 3);
+  test("abcdefghij", 5, 2, "abcde", 2, 2, 3);
+  test("abcdefghij", 5, 2, "abcde", 2, 3, 3);
+  test("abcdefghij", 5, 2, "abcde", 2, 4, 3);
+  test("abcdefghij", 5, 2, "abcde", 4, 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 4, 1, 1);
+  test("abcdefghij", 5, 2, "abcde", 4, 2, 1);
+  test("abcdefghij", 5, 2, "abcde", 5, 0, 2);
+  test("abcdefghij", 5, 2, "abcde", 5, 1, 2);
+  test("abcdefghij", 5, 2, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 1, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 9, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 10, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 0, 11, 5);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 1, 4);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 8, 4);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 9, 4);
+  test("abcdefghij", 5, 2, "abcdefghij", 1, 10, 4);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 1, 1);
 }
 
-void test30()
-{
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 2, 0);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 4, -2);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 5, -3);
-    test("abcdefghij", 5, 2, "abcdefghij", 5, 6, -3);
-    test("abcdefghij", 5, 2, "abcdefghij", 9, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 9, 1, -4);
-    test("abcdefghij", 5, 2, "abcdefghij", 9, 2, -4);
-    test("abcdefghij", 5, 2, "abcdefghij", 10, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 10, 1, 2);
-    test("abcdefghij", 5, 2, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 1, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 10, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 19, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 20, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 21, 5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 1, 4);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 9, 4);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 18, 4);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 19, 4);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 20, 4);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 1, -5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 9, -5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 1, -14);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 2, -14);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 0, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 1, 2);
-    test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 4, "", 0, 0, 4);
-    test("abcdefghij", 5, 4, "", 0, 1, 4);
-    test("abcdefghij", 5, 4, "", 1, 0, 0);
-    test("abcdefghij", 5, 4, "abcde", 0, 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 0, 1, 5);
-    test("abcdefghij", 5, 4, "abcde", 0, 2, 5);
-    test("abcdefghij", 5, 4, "abcde", 0, 4, 5);
-    test("abcdefghij", 5, 4, "abcde", 0, 5, 5);
-    test("abcdefghij", 5, 4, "abcde", 0, 6, 5);
-    test("abcdefghij", 5, 4, "abcde", 1, 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 1, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 2, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 3, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 4, 4);
-    test("abcdefghij", 5, 4, "abcde", 1, 5, 4);
-    test("abcdefghij", 5, 4, "abcde", 2, 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 2, 1, 3);
-    test("abcdefghij", 5, 4, "abcde", 2, 2, 3);
-    test("abcdefghij", 5, 4, "abcde", 2, 3, 3);
-    test("abcdefghij", 5, 4, "abcde", 2, 4, 3);
-    test("abcdefghij", 5, 4, "abcde", 4, 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 4, 1, 1);
-    test("abcdefghij", 5, 4, "abcde", 4, 2, 1);
-    test("abcdefghij", 5, 4, "abcde", 5, 0, 4);
-    test("abcdefghij", 5, 4, "abcde", 5, 1, 4);
-    test("abcdefghij", 5, 4, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 1, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 9, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 10, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 0, 11, 5);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 1, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 8, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 9, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 1, 10, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 1, 3);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 2, 2);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 4, 0);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 5, -1);
-    test("abcdefghij", 5, 4, "abcdefghij", 5, 6, -1);
-    test("abcdefghij", 5, 4, "abcdefghij", 9, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 9, 1, -4);
-    test("abcdefghij", 5, 4, "abcdefghij", 9, 2, -4);
-    test("abcdefghij", 5, 4, "abcdefghij", 10, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 10, 1, 4);
-    test("abcdefghij", 5, 4, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 1, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 10, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 19, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 20, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 21, 5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 1, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 9, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 18, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 19, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 20, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 1, -5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 9, -5);
+void test30() {
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 2, 0);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 4, -2);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 5, -3);
+  test("abcdefghij", 5, 2, "abcdefghij", 5, 6, -3);
+  test("abcdefghij", 5, 2, "abcdefghij", 9, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 9, 1, -4);
+  test("abcdefghij", 5, 2, "abcdefghij", 9, 2, -4);
+  test("abcdefghij", 5, 2, "abcdefghij", 10, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 10, 1, 2);
+  test("abcdefghij", 5, 2, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 1, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 10, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 19, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 20, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 21, 5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 1, 4);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 9, 4);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 18, 4);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 19, 4);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 20, 4);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 1, -5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 9, -5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 1, -14);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 2, -14);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 0, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 1, 2);
+  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 4, "", 0, 0, 4);
+  test("abcdefghij", 5, 4, "", 0, 1, 4);
+  test("abcdefghij", 5, 4, "", 1, 0, 0);
+  test("abcdefghij", 5, 4, "abcde", 0, 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 0, 1, 5);
+  test("abcdefghij", 5, 4, "abcde", 0, 2, 5);
+  test("abcdefghij", 5, 4, "abcde", 0, 4, 5);
+  test("abcdefghij", 5, 4, "abcde", 0, 5, 5);
+  test("abcdefghij", 5, 4, "abcde", 0, 6, 5);
+  test("abcdefghij", 5, 4, "abcde", 1, 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 1, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 2, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 3, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 4, 4);
+  test("abcdefghij", 5, 4, "abcde", 1, 5, 4);
+  test("abcdefghij", 5, 4, "abcde", 2, 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 2, 1, 3);
+  test("abcdefghij", 5, 4, "abcde", 2, 2, 3);
+  test("abcdefghij", 5, 4, "abcde", 2, 3, 3);
+  test("abcdefghij", 5, 4, "abcde", 2, 4, 3);
+  test("abcdefghij", 5, 4, "abcde", 4, 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 4, 1, 1);
+  test("abcdefghij", 5, 4, "abcde", 4, 2, 1);
+  test("abcdefghij", 5, 4, "abcde", 5, 0, 4);
+  test("abcdefghij", 5, 4, "abcde", 5, 1, 4);
+  test("abcdefghij", 5, 4, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 1, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 9, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 10, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 0, 11, 5);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 1, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 8, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 9, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 1, 10, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 1, 3);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 2, 2);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 4, 0);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 5, -1);
+  test("abcdefghij", 5, 4, "abcdefghij", 5, 6, -1);
+  test("abcdefghij", 5, 4, "abcdefghij", 9, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 9, 1, -4);
+  test("abcdefghij", 5, 4, "abcdefghij", 9, 2, -4);
+  test("abcdefghij", 5, 4, "abcdefghij", 10, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 10, 1, 4);
+  test("abcdefghij", 5, 4, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 1, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 10, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 19, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 20, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 21, 5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 1, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 9, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 18, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 19, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 20, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 1, -5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 9, -5);
 }
 
-void test31()
-{
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 1, -14);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 2, -14);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 0, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 1, 4);
-    test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 5, "", 0, 0, 5);
-    test("abcdefghij", 5, 5, "", 0, 1, 5);
-    test("abcdefghij", 5, 5, "", 1, 0, 0);
-    test("abcdefghij", 5, 5, "abcde", 0, 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 1, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 2, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 4, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 5, 5);
-    test("abcdefghij", 5, 5, "abcde", 0, 6, 5);
-    test("abcdefghij", 5, 5, "abcde", 1, 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 1, 1, 4);
-    test("abcdefghij", 5, 5, "abcde", 1, 2, 4);
-    test("abcdefghij", 5, 5, "abcde", 1, 3, 4);
-    test("abcdefghij", 5, 5, "abcde", 1, 4, 4);
-    test("abcdefghij", 5, 5, "abcde", 1, 5, 4);
-    test("abcdefghij", 5, 5, "abcde", 2, 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 2, 1, 3);
-    test("abcdefghij", 5, 5, "abcde", 2, 2, 3);
-    test("abcdefghij", 5, 5, "abcde", 2, 3, 3);
-    test("abcdefghij", 5, 5, "abcde", 2, 4, 3);
-    test("abcdefghij", 5, 5, "abcde", 4, 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 4, 1, 1);
-    test("abcdefghij", 5, 5, "abcde", 4, 2, 1);
-    test("abcdefghij", 5, 5, "abcde", 5, 0, 5);
-    test("abcdefghij", 5, 5, "abcde", 5, 1, 5);
-    test("abcdefghij", 5, 5, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 9, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 10, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 0, 11, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 1, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 8, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 9, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 1, 10, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 1, 4);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 2, 3);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 4, 1);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 5, 0);
-    test("abcdefghij", 5, 5, "abcdefghij", 5, 6, 0);
-    test("abcdefghij", 5, 5, "abcdefghij", 9, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 9, 1, -4);
-    test("abcdefghij", 5, 5, "abcdefghij", 9, 2, -4);
-    test("abcdefghij", 5, 5, "abcdefghij", 10, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 10, 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 10, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 19, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 20, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 21, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 1, 4);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 9, 4);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 18, 4);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 19, 4);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 20, 4);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 1, -5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 9, -5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 1, -14);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 2, -14);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 5, 6, "", 0, 0, 5);
-    test("abcdefghij", 5, 6, "", 0, 1, 5);
-    test("abcdefghij", 5, 6, "", 1, 0, 0);
-    test("abcdefghij", 5, 6, "abcde", 0, 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 1, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 2, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 4, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 5, 5);
-    test("abcdefghij", 5, 6, "abcde", 0, 6, 5);
-    test("abcdefghij", 5, 6, "abcde", 1, 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 1, 1, 4);
-    test("abcdefghij", 5, 6, "abcde", 1, 2, 4);
-    test("abcdefghij", 5, 6, "abcde", 1, 3, 4);
-    test("abcdefghij", 5, 6, "abcde", 1, 4, 4);
-    test("abcdefghij", 5, 6, "abcde", 1, 5, 4);
-    test("abcdefghij", 5, 6, "abcde", 2, 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 2, 1, 3);
-    test("abcdefghij", 5, 6, "abcde", 2, 2, 3);
+void test31() {
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 1, -14);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 2, -14);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 0, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 1, 4);
+  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 5, "", 0, 0, 5);
+  test("abcdefghij", 5, 5, "", 0, 1, 5);
+  test("abcdefghij", 5, 5, "", 1, 0, 0);
+  test("abcdefghij", 5, 5, "abcde", 0, 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 1, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 2, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 4, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 5, 5);
+  test("abcdefghij", 5, 5, "abcde", 0, 6, 5);
+  test("abcdefghij", 5, 5, "abcde", 1, 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 1, 1, 4);
+  test("abcdefghij", 5, 5, "abcde", 1, 2, 4);
+  test("abcdefghij", 5, 5, "abcde", 1, 3, 4);
+  test("abcdefghij", 5, 5, "abcde", 1, 4, 4);
+  test("abcdefghij", 5, 5, "abcde", 1, 5, 4);
+  test("abcdefghij", 5, 5, "abcde", 2, 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 2, 1, 3);
+  test("abcdefghij", 5, 5, "abcde", 2, 2, 3);
+  test("abcdefghij", 5, 5, "abcde", 2, 3, 3);
+  test("abcdefghij", 5, 5, "abcde", 2, 4, 3);
+  test("abcdefghij", 5, 5, "abcde", 4, 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 4, 1, 1);
+  test("abcdefghij", 5, 5, "abcde", 4, 2, 1);
+  test("abcdefghij", 5, 5, "abcde", 5, 0, 5);
+  test("abcdefghij", 5, 5, "abcde", 5, 1, 5);
+  test("abcdefghij", 5, 5, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 9, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 10, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 0, 11, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 1, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 8, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 9, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 1, 10, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 1, 4);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 2, 3);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 4, 1);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 5, 0);
+  test("abcdefghij", 5, 5, "abcdefghij", 5, 6, 0);
+  test("abcdefghij", 5, 5, "abcdefghij", 9, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 9, 1, -4);
+  test("abcdefghij", 5, 5, "abcdefghij", 9, 2, -4);
+  test("abcdefghij", 5, 5, "abcdefghij", 10, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 10, 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 10, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 19, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 20, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 21, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 1, 4);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 9, 4);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 18, 4);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 19, 4);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 20, 4);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 1, -5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 9, -5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 1, -14);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 2, -14);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 5, 6, "", 0, 0, 5);
+  test("abcdefghij", 5, 6, "", 0, 1, 5);
+  test("abcdefghij", 5, 6, "", 1, 0, 0);
+  test("abcdefghij", 5, 6, "abcde", 0, 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 1, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 2, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 4, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 5, 5);
+  test("abcdefghij", 5, 6, "abcde", 0, 6, 5);
+  test("abcdefghij", 5, 6, "abcde", 1, 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 1, 1, 4);
+  test("abcdefghij", 5, 6, "abcde", 1, 2, 4);
+  test("abcdefghij", 5, 6, "abcde", 1, 3, 4);
+  test("abcdefghij", 5, 6, "abcde", 1, 4, 4);
+  test("abcdefghij", 5, 6, "abcde", 1, 5, 4);
+  test("abcdefghij", 5, 6, "abcde", 2, 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 2, 1, 3);
+  test("abcdefghij", 5, 6, "abcde", 2, 2, 3);
 }
 
-void test32()
-{
-    test("abcdefghij", 5, 6, "abcde", 2, 3, 3);
-    test("abcdefghij", 5, 6, "abcde", 2, 4, 3);
-    test("abcdefghij", 5, 6, "abcde", 4, 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 4, 1, 1);
-    test("abcdefghij", 5, 6, "abcde", 4, 2, 1);
-    test("abcdefghij", 5, 6, "abcde", 5, 0, 5);
-    test("abcdefghij", 5, 6, "abcde", 5, 1, 5);
-    test("abcdefghij", 5, 6, "abcde", 6, 0, 0);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 5, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 9, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 10, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 0, 11, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 1, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 4, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 8, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 9, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 1, 10, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 1, 4);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 2, 3);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 4, 1);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 5, 0);
-    test("abcdefghij", 5, 6, "abcdefghij", 5, 6, 0);
-    test("abcdefghij", 5, 6, "abcdefghij", 9, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 9, 1, -4);
-    test("abcdefghij", 5, 6, "abcdefghij", 9, 2, -4);
-    test("abcdefghij", 5, 6, "abcdefghij", 10, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 10, 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 10, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 19, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 20, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 21, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 1, 4);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 9, 4);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 18, 4);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 19, 4);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 20, 4);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 1, -5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 9, -5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 1, -14);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 2, -14);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 9, 0, "", 0, 0, 0);
-    test("abcdefghij", 9, 0, "", 0, 1, 0);
-    test("abcdefghij", 9, 0, "", 1, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 0, 1, -1);
-    test("abcdefghij", 9, 0, "abcde", 0, 2, -2);
-    test("abcdefghij", 9, 0, "abcde", 0, 4, -4);
-    test("abcdefghij", 9, 0, "abcde", 0, 5, -5);
-    test("abcdefghij", 9, 0, "abcde", 0, 6, -5);
-    test("abcdefghij", 9, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 1, 1, -1);
-    test("abcdefghij", 9, 0, "abcde", 1, 2, -2);
-    test("abcdefghij", 9, 0, "abcde", 1, 3, -3);
-    test("abcdefghij", 9, 0, "abcde", 1, 4, -4);
-    test("abcdefghij", 9, 0, "abcde", 1, 5, -4);
-    test("abcdefghij", 9, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 2, 1, -1);
-    test("abcdefghij", 9, 0, "abcde", 2, 2, -2);
-    test("abcdefghij", 9, 0, "abcde", 2, 3, -3);
-    test("abcdefghij", 9, 0, "abcde", 2, 4, -3);
-    test("abcdefghij", 9, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 4, 1, -1);
-    test("abcdefghij", 9, 0, "abcde", 4, 2, -1);
-    test("abcdefghij", 9, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 9, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 9, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 9, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 9, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 9, 0, "abcdefghij", 5, 6, -5);
+void test32() {
+  test("abcdefghij", 5, 6, "abcde", 2, 3, 3);
+  test("abcdefghij", 5, 6, "abcde", 2, 4, 3);
+  test("abcdefghij", 5, 6, "abcde", 4, 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 4, 1, 1);
+  test("abcdefghij", 5, 6, "abcde", 4, 2, 1);
+  test("abcdefghij", 5, 6, "abcde", 5, 0, 5);
+  test("abcdefghij", 5, 6, "abcde", 5, 1, 5);
+  test("abcdefghij", 5, 6, "abcde", 6, 0, 0);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 5, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 9, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 10, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 0, 11, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 1, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 4, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 8, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 9, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 1, 10, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 1, 4);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 2, 3);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 4, 1);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 5, 0);
+  test("abcdefghij", 5, 6, "abcdefghij", 5, 6, 0);
+  test("abcdefghij", 5, 6, "abcdefghij", 9, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 9, 1, -4);
+  test("abcdefghij", 5, 6, "abcdefghij", 9, 2, -4);
+  test("abcdefghij", 5, 6, "abcdefghij", 10, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 10, 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 10, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 19, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 20, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 21, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 1, 4);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 9, 4);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 18, 4);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 19, 4);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 20, 4);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 1, -5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 9, -5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 1, -14);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 2, -14);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 9, 0, "", 0, 0, 0);
+  test("abcdefghij", 9, 0, "", 0, 1, 0);
+  test("abcdefghij", 9, 0, "", 1, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 0, 1, -1);
+  test("abcdefghij", 9, 0, "abcde", 0, 2, -2);
+  test("abcdefghij", 9, 0, "abcde", 0, 4, -4);
+  test("abcdefghij", 9, 0, "abcde", 0, 5, -5);
+  test("abcdefghij", 9, 0, "abcde", 0, 6, -5);
+  test("abcdefghij", 9, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 1, 1, -1);
+  test("abcdefghij", 9, 0, "abcde", 1, 2, -2);
+  test("abcdefghij", 9, 0, "abcde", 1, 3, -3);
+  test("abcdefghij", 9, 0, "abcde", 1, 4, -4);
+  test("abcdefghij", 9, 0, "abcde", 1, 5, -4);
+  test("abcdefghij", 9, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 2, 1, -1);
+  test("abcdefghij", 9, 0, "abcde", 2, 2, -2);
+  test("abcdefghij", 9, 0, "abcde", 2, 3, -3);
+  test("abcdefghij", 9, 0, "abcde", 2, 4, -3);
+  test("abcdefghij", 9, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 4, 1, -1);
+  test("abcdefghij", 9, 0, "abcde", 4, 2, -1);
+  test("abcdefghij", 9, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 9, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 9, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 9, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 9, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 9, 0, "abcdefghij", 5, 6, -5);
 }
 
-void test33()
-{
-    test("abcdefghij", 9, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 9, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 9, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 9, 1, "", 0, 0, 1);
-    test("abcdefghij", 9, 1, "", 0, 1, 1);
-    test("abcdefghij", 9, 1, "", 1, 0, 0);
-    test("abcdefghij", 9, 1, "abcde", 0, 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 0, 1, 9);
-    test("abcdefghij", 9, 1, "abcde", 0, 2, 9);
-    test("abcdefghij", 9, 1, "abcde", 0, 4, 9);
-    test("abcdefghij", 9, 1, "abcde", 0, 5, 9);
-    test("abcdefghij", 9, 1, "abcde", 0, 6, 9);
-    test("abcdefghij", 9, 1, "abcde", 1, 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 1, 1, 8);
-    test("abcdefghij", 9, 1, "abcde", 1, 2, 8);
-    test("abcdefghij", 9, 1, "abcde", 1, 3, 8);
-    test("abcdefghij", 9, 1, "abcde", 1, 4, 8);
-    test("abcdefghij", 9, 1, "abcde", 1, 5, 8);
-    test("abcdefghij", 9, 1, "abcde", 2, 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 2, 1, 7);
-    test("abcdefghij", 9, 1, "abcde", 2, 2, 7);
-    test("abcdefghij", 9, 1, "abcde", 2, 3, 7);
-    test("abcdefghij", 9, 1, "abcde", 2, 4, 7);
-    test("abcdefghij", 9, 1, "abcde", 4, 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 4, 1, 5);
-    test("abcdefghij", 9, 1, "abcde", 4, 2, 5);
-    test("abcdefghij", 9, 1, "abcde", 5, 0, 1);
-    test("abcdefghij", 9, 1, "abcde", 5, 1, 1);
-    test("abcdefghij", 9, 1, "abcde", 6, 0, 0);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 1, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 5, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 9, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 10, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 0, 11, 9);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 1, 8);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 4, 8);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 8, 8);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 9, 8);
-    test("abcdefghij", 9, 1, "abcdefghij", 1, 10, 8);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 1, 4);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 2, 4);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 4, 4);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 5, 4);
-    test("abcdefghij", 9, 1, "abcdefghij", 5, 6, 4);
-    test("abcdefghij", 9, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 9, 1, 0);
-    test("abcdefghij", 9, 1, "abcdefghij", 9, 2, 0);
-    test("abcdefghij", 9, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghij", 9, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 1, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 10, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 19, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 20, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 21, 9);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 1, 8);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 9, 8);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 18, 8);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 19, 8);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 20, 8);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 5, -1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 9, -1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 10, -1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 11, -1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 1, -10);
+void test33() {
+  test("abcdefghij", 9, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 9, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 9, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 9, 1, "", 0, 0, 1);
+  test("abcdefghij", 9, 1, "", 0, 1, 1);
+  test("abcdefghij", 9, 1, "", 1, 0, 0);
+  test("abcdefghij", 9, 1, "abcde", 0, 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 0, 1, 9);
+  test("abcdefghij", 9, 1, "abcde", 0, 2, 9);
+  test("abcdefghij", 9, 1, "abcde", 0, 4, 9);
+  test("abcdefghij", 9, 1, "abcde", 0, 5, 9);
+  test("abcdefghij", 9, 1, "abcde", 0, 6, 9);
+  test("abcdefghij", 9, 1, "abcde", 1, 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 1, 1, 8);
+  test("abcdefghij", 9, 1, "abcde", 1, 2, 8);
+  test("abcdefghij", 9, 1, "abcde", 1, 3, 8);
+  test("abcdefghij", 9, 1, "abcde", 1, 4, 8);
+  test("abcdefghij", 9, 1, "abcde", 1, 5, 8);
+  test("abcdefghij", 9, 1, "abcde", 2, 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 2, 1, 7);
+  test("abcdefghij", 9, 1, "abcde", 2, 2, 7);
+  test("abcdefghij", 9, 1, "abcde", 2, 3, 7);
+  test("abcdefghij", 9, 1, "abcde", 2, 4, 7);
+  test("abcdefghij", 9, 1, "abcde", 4, 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 4, 1, 5);
+  test("abcdefghij", 9, 1, "abcde", 4, 2, 5);
+  test("abcdefghij", 9, 1, "abcde", 5, 0, 1);
+  test("abcdefghij", 9, 1, "abcde", 5, 1, 1);
+  test("abcdefghij", 9, 1, "abcde", 6, 0, 0);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 1, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 5, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 9, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 10, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 0, 11, 9);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 1, 8);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 4, 8);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 8, 8);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 9, 8);
+  test("abcdefghij", 9, 1, "abcdefghij", 1, 10, 8);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 1, 4);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 2, 4);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 4, 4);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 5, 4);
+  test("abcdefghij", 9, 1, "abcdefghij", 5, 6, 4);
+  test("abcdefghij", 9, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 9, 1, 0);
+  test("abcdefghij", 9, 1, "abcdefghij", 9, 2, 0);
+  test("abcdefghij", 9, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghij", 9, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 1, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 10, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 19, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 20, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 21, 9);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 1, 8);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 9, 8);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 18, 8);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 19, 8);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 20, 8);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 5, -1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 9, -1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 10, -1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 11, -1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 1, -10);
 }
 
-void test34()
-{
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 2, -10);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 9, 2, "", 0, 0, 1);
-    test("abcdefghij", 9, 2, "", 0, 1, 1);
-    test("abcdefghij", 9, 2, "", 1, 0, 0);
-    test("abcdefghij", 9, 2, "abcde", 0, 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 0, 1, 9);
-    test("abcdefghij", 9, 2, "abcde", 0, 2, 9);
-    test("abcdefghij", 9, 2, "abcde", 0, 4, 9);
-    test("abcdefghij", 9, 2, "abcde", 0, 5, 9);
-    test("abcdefghij", 9, 2, "abcde", 0, 6, 9);
-    test("abcdefghij", 9, 2, "abcde", 1, 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 1, 1, 8);
-    test("abcdefghij", 9, 2, "abcde", 1, 2, 8);
-    test("abcdefghij", 9, 2, "abcde", 1, 3, 8);
-    test("abcdefghij", 9, 2, "abcde", 1, 4, 8);
-    test("abcdefghij", 9, 2, "abcde", 1, 5, 8);
-    test("abcdefghij", 9, 2, "abcde", 2, 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 2, 1, 7);
-    test("abcdefghij", 9, 2, "abcde", 2, 2, 7);
-    test("abcdefghij", 9, 2, "abcde", 2, 3, 7);
-    test("abcdefghij", 9, 2, "abcde", 2, 4, 7);
-    test("abcdefghij", 9, 2, "abcde", 4, 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 4, 1, 5);
-    test("abcdefghij", 9, 2, "abcde", 4, 2, 5);
-    test("abcdefghij", 9, 2, "abcde", 5, 0, 1);
-    test("abcdefghij", 9, 2, "abcde", 5, 1, 1);
-    test("abcdefghij", 9, 2, "abcde", 6, 0, 0);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 1, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 5, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 9, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 10, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 0, 11, 9);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 1, 8);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 4, 8);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 8, 8);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 9, 8);
-    test("abcdefghij", 9, 2, "abcdefghij", 1, 10, 8);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 1, 4);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 2, 4);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 4, 4);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 5, 4);
-    test("abcdefghij", 9, 2, "abcdefghij", 5, 6, 4);
-    test("abcdefghij", 9, 2, "abcdefghij", 9, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 9, 1, 0);
-    test("abcdefghij", 9, 2, "abcdefghij", 9, 2, 0);
-    test("abcdefghij", 9, 2, "abcdefghij", 10, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 10, 1, 1);
-    test("abcdefghij", 9, 2, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 1, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 10, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 19, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 20, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 21, 9);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 1, 8);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 9, 8);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 18, 8);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 19, 8);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 20, 8);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 5, -1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 9, -1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 10, -1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 11, -1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 1, -10);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 2, -10);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 10, 0, "", 0, 0, 0);
-    test("abcdefghij", 10, 0, "", 0, 1, 0);
-    test("abcdefghij", 10, 0, "", 1, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 0, 1, -1);
-    test("abcdefghij", 10, 0, "abcde", 0, 2, -2);
-    test("abcdefghij", 10, 0, "abcde", 0, 4, -4);
-    test("abcdefghij", 10, 0, "abcde", 0, 5, -5);
-    test("abcdefghij", 10, 0, "abcde", 0, 6, -5);
-    test("abcdefghij", 10, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 1, 1, -1);
-    test("abcdefghij", 10, 0, "abcde", 1, 2, -2);
-    test("abcdefghij", 10, 0, "abcde", 1, 3, -3);
-    test("abcdefghij", 10, 0, "abcde", 1, 4, -4);
-    test("abcdefghij", 10, 0, "abcde", 1, 5, -4);
-    test("abcdefghij", 10, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 2, 1, -1);
-    test("abcdefghij", 10, 0, "abcde", 2, 2, -2);
-    test("abcdefghij", 10, 0, "abcde", 2, 3, -3);
-    test("abcdefghij", 10, 0, "abcde", 2, 4, -3);
-    test("abcdefghij", 10, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 4, 1, -1);
+void test34() {
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 2, -10);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 9, 2, "", 0, 0, 1);
+  test("abcdefghij", 9, 2, "", 0, 1, 1);
+  test("abcdefghij", 9, 2, "", 1, 0, 0);
+  test("abcdefghij", 9, 2, "abcde", 0, 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 0, 1, 9);
+  test("abcdefghij", 9, 2, "abcde", 0, 2, 9);
+  test("abcdefghij", 9, 2, "abcde", 0, 4, 9);
+  test("abcdefghij", 9, 2, "abcde", 0, 5, 9);
+  test("abcdefghij", 9, 2, "abcde", 0, 6, 9);
+  test("abcdefghij", 9, 2, "abcde", 1, 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 1, 1, 8);
+  test("abcdefghij", 9, 2, "abcde", 1, 2, 8);
+  test("abcdefghij", 9, 2, "abcde", 1, 3, 8);
+  test("abcdefghij", 9, 2, "abcde", 1, 4, 8);
+  test("abcdefghij", 9, 2, "abcde", 1, 5, 8);
+  test("abcdefghij", 9, 2, "abcde", 2, 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 2, 1, 7);
+  test("abcdefghij", 9, 2, "abcde", 2, 2, 7);
+  test("abcdefghij", 9, 2, "abcde", 2, 3, 7);
+  test("abcdefghij", 9, 2, "abcde", 2, 4, 7);
+  test("abcdefghij", 9, 2, "abcde", 4, 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 4, 1, 5);
+  test("abcdefghij", 9, 2, "abcde", 4, 2, 5);
+  test("abcdefghij", 9, 2, "abcde", 5, 0, 1);
+  test("abcdefghij", 9, 2, "abcde", 5, 1, 1);
+  test("abcdefghij", 9, 2, "abcde", 6, 0, 0);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 1, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 5, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 9, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 10, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 0, 11, 9);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 1, 8);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 4, 8);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 8, 8);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 9, 8);
+  test("abcdefghij", 9, 2, "abcdefghij", 1, 10, 8);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 1, 4);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 2, 4);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 4, 4);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 5, 4);
+  test("abcdefghij", 9, 2, "abcdefghij", 5, 6, 4);
+  test("abcdefghij", 9, 2, "abcdefghij", 9, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 9, 1, 0);
+  test("abcdefghij", 9, 2, "abcdefghij", 9, 2, 0);
+  test("abcdefghij", 9, 2, "abcdefghij", 10, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 10, 1, 1);
+  test("abcdefghij", 9, 2, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 1, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 10, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 19, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 20, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 21, 9);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 1, 8);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 9, 8);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 18, 8);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 19, 8);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 20, 8);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 5, -1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 9, -1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 10, -1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 11, -1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 1, -10);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 2, -10);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 10, 0, "", 0, 0, 0);
+  test("abcdefghij", 10, 0, "", 0, 1, 0);
+  test("abcdefghij", 10, 0, "", 1, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 0, 1, -1);
+  test("abcdefghij", 10, 0, "abcde", 0, 2, -2);
+  test("abcdefghij", 10, 0, "abcde", 0, 4, -4);
+  test("abcdefghij", 10, 0, "abcde", 0, 5, -5);
+  test("abcdefghij", 10, 0, "abcde", 0, 6, -5);
+  test("abcdefghij", 10, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 1, 1, -1);
+  test("abcdefghij", 10, 0, "abcde", 1, 2, -2);
+  test("abcdefghij", 10, 0, "abcde", 1, 3, -3);
+  test("abcdefghij", 10, 0, "abcde", 1, 4, -4);
+  test("abcdefghij", 10, 0, "abcde", 1, 5, -4);
+  test("abcdefghij", 10, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 2, 1, -1);
+  test("abcdefghij", 10, 0, "abcde", 2, 2, -2);
+  test("abcdefghij", 10, 0, "abcde", 2, 3, -3);
+  test("abcdefghij", 10, 0, "abcde", 2, 4, -3);
+  test("abcdefghij", 10, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 4, 1, -1);
 }
 
-void test35()
-{
-    test("abcdefghij", 10, 0, "abcde", 4, 2, -1);
-    test("abcdefghij", 10, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 10, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 10, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 10, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 10, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 10, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 10, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 10, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 10, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 10, 1, "", 0, 0, 0);
-    test("abcdefghij", 10, 1, "", 0, 1, 0);
-    test("abcdefghij", 10, 1, "", 1, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 0, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 0, 1, -1);
-    test("abcdefghij", 10, 1, "abcde", 0, 2, -2);
-    test("abcdefghij", 10, 1, "abcde", 0, 4, -4);
-    test("abcdefghij", 10, 1, "abcde", 0, 5, -5);
-    test("abcdefghij", 10, 1, "abcde", 0, 6, -5);
-    test("abcdefghij", 10, 1, "abcde", 1, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 1, 1, -1);
-    test("abcdefghij", 10, 1, "abcde", 1, 2, -2);
-    test("abcdefghij", 10, 1, "abcde", 1, 3, -3);
-    test("abcdefghij", 10, 1, "abcde", 1, 4, -4);
-    test("abcdefghij", 10, 1, "abcde", 1, 5, -4);
-    test("abcdefghij", 10, 1, "abcde", 2, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 2, 1, -1);
-    test("abcdefghij", 10, 1, "abcde", 2, 2, -2);
-    test("abcdefghij", 10, 1, "abcde", 2, 3, -3);
-    test("abcdefghij", 10, 1, "abcde", 2, 4, -3);
-    test("abcdefghij", 10, 1, "abcde", 4, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 4, 1, -1);
-    test("abcdefghij", 10, 1, "abcde", 4, 2, -1);
-    test("abcdefghij", 10, 1, "abcde", 5, 0, 0);
-    test("abcdefghij", 10, 1, "abcde", 5, 1, 0);
-    test("abcdefghij", 10, 1, "abcde", 6, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 5, -5);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 9, -9);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 10, -10);
-    test("abcdefghij", 10, 1, "abcdefghij", 0, 11, -10);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 4, -4);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 8, -8);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 9, -9);
-    test("abcdefghij", 10, 1, "abcdefghij", 1, 10, -9);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 2, -2);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 4, -4);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 5, -5);
-    test("abcdefghij", 10, 1, "abcdefghij", 5, 6, -5);
-    test("abcdefghij", 10, 1, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 9, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 9, 2, -1);
-    test("abcdefghij", 10, 1, "abcdefghij", 10, 0, 0);
+void test35() {
+  test("abcdefghij", 10, 0, "abcde", 4, 2, -1);
+  test("abcdefghij", 10, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 10, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 10, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 10, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 10, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 10, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 10, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 10, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 10, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 10, 1, "", 0, 0, 0);
+  test("abcdefghij", 10, 1, "", 0, 1, 0);
+  test("abcdefghij", 10, 1, "", 1, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 0, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 0, 1, -1);
+  test("abcdefghij", 10, 1, "abcde", 0, 2, -2);
+  test("abcdefghij", 10, 1, "abcde", 0, 4, -4);
+  test("abcdefghij", 10, 1, "abcde", 0, 5, -5);
+  test("abcdefghij", 10, 1, "abcde", 0, 6, -5);
+  test("abcdefghij", 10, 1, "abcde", 1, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 1, 1, -1);
+  test("abcdefghij", 10, 1, "abcde", 1, 2, -2);
+  test("abcdefghij", 10, 1, "abcde", 1, 3, -3);
+  test("abcdefghij", 10, 1, "abcde", 1, 4, -4);
+  test("abcdefghij", 10, 1, "abcde", 1, 5, -4);
+  test("abcdefghij", 10, 1, "abcde", 2, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 2, 1, -1);
+  test("abcdefghij", 10, 1, "abcde", 2, 2, -2);
+  test("abcdefghij", 10, 1, "abcde", 2, 3, -3);
+  test("abcdefghij", 10, 1, "abcde", 2, 4, -3);
+  test("abcdefghij", 10, 1, "abcde", 4, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 4, 1, -1);
+  test("abcdefghij", 10, 1, "abcde", 4, 2, -1);
+  test("abcdefghij", 10, 1, "abcde", 5, 0, 0);
+  test("abcdefghij", 10, 1, "abcde", 5, 1, 0);
+  test("abcdefghij", 10, 1, "abcde", 6, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 5, -5);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 9, -9);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 10, -10);
+  test("abcdefghij", 10, 1, "abcdefghij", 0, 11, -10);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 4, -4);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 8, -8);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 9, -9);
+  test("abcdefghij", 10, 1, "abcdefghij", 1, 10, -9);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 2, -2);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 4, -4);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 5, -5);
+  test("abcdefghij", 10, 1, "abcdefghij", 5, 6, -5);
+  test("abcdefghij", 10, 1, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 9, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 9, 2, -1);
+  test("abcdefghij", 10, 1, "abcdefghij", 10, 0, 0);
 }
 
-void test36()
-{
-    test("abcdefghij", 10, 1, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 10, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghij", 11, 0, "", 0, 0, 0);
-    test("abcdefghij", 11, 0, "", 0, 1, 0);
-    test("abcdefghij", 11, 0, "", 1, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 2, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 4, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 5, 0);
-    test("abcdefghij", 11, 0, "abcde", 0, 6, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 2, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 3, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 4, 0);
-    test("abcdefghij", 11, 0, "abcde", 1, 5, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 2, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 3, 0);
-    test("abcdefghij", 11, 0, "abcde", 2, 4, 0);
-    test("abcdefghij", 11, 0, "abcde", 4, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 4, 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 4, 2, 0);
-    test("abcdefghij", 11, 0, "abcde", 5, 0, 0);
-    test("abcdefghij", 11, 0, "abcde", 5, 1, 0);
-    test("abcdefghij", 11, 0, "abcde", 6, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 5, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 9, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 0, 11, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 4, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 8, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 9, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 1, 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 2, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 4, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 5, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 5, 6, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 9, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 9, 2, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 19, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 18, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 5, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 9, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+void test36() {
+  test("abcdefghij", 10, 1, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 10, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghij", 11, 0, "", 0, 0, 0);
+  test("abcdefghij", 11, 0, "", 0, 1, 0);
+  test("abcdefghij", 11, 0, "", 1, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 2, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 4, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 5, 0);
+  test("abcdefghij", 11, 0, "abcde", 0, 6, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 2, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 3, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 4, 0);
+  test("abcdefghij", 11, 0, "abcde", 1, 5, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 2, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 3, 0);
+  test("abcdefghij", 11, 0, "abcde", 2, 4, 0);
+  test("abcdefghij", 11, 0, "abcde", 4, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 4, 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 4, 2, 0);
+  test("abcdefghij", 11, 0, "abcde", 5, 0, 0);
+  test("abcdefghij", 11, 0, "abcde", 5, 1, 0);
+  test("abcdefghij", 11, 0, "abcde", 6, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 5, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 9, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 0, 11, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 4, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 8, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 9, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 1, 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 2, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 4, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 5, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 5, 6, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 9, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 9, 2, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 19, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 18, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 5, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 9, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 21, 0, 0);
 }
 
-void test37()
-{
-    test("abcdefghijklmnopqrst", 0, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 4, -3);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 5, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 6, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 3, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 5, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 1, -2);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 3, -2);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 4, -2);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 1, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 2, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 1, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcde", 6, 0, 0);
+void test37() {
+  test("abcdefghijklmnopqrst", 0, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 4, -3);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 5, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 6, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 3, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 5, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 1, -2);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 3, -2);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 4, -2);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 1, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 2, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 1, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcde", 6, 0, 0);
 }
 
-void test38()
-{
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 5, -4);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 9, -8);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 10, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 11, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 8, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 10, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 1, -5);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 2, -5);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 4, -5);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 1, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 2, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 1, 9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 2, 8);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 4, 6);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 5, 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 6, 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 3, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 5, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 1, -2);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 3, -2);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 4, -2);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 1, -4);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 2, -4);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 1, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 1, 9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 5, 5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 10, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 11, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 8, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 10, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 1, -5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 2, -5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 4, -5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 1, -9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 2, -9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 1, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
+void test38() {
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 5, -4);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 9, -8);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 10, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 11, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 8, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 10, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 1, -5);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 2, -5);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 4, -5);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 1, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 2, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 1, 9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 2, 8);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 4, 6);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 5, 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 6, 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 3, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 5, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 1, -2);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 3, -2);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 4, -2);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 1, -4);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 2, -4);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 1, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 1, 9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 5, 5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 10, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 11, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 8, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 10, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 1, -5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 2, -5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 4, -5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 1, -9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 2, -9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 1, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
 }
 
-void test39()
-{
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
-    test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 2, 17);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 4, 15);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 5, 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 6, 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 3, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 5, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 1, -2);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 3, -2);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 4, -2);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 1, -4);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 2, -4);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 5, 14);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 10, 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 11, 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 8, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 10, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 1, -5);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 2, -5);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 4, -5);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 1, -9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 2, -9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 1, 18);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 10, 9);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 19, 0);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 21, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 0, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "", 0, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 0, 20);
+void test39() {
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
+  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 2, 17);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 4, 15);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 5, 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 6, 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 3, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 5, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 1, -2);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 3, -2);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 4, -2);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 1, -4);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 2, -4);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 5, 14);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 10, 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 11, 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 8, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 10, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 1, -5);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 2, -5);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 4, -5);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 1, -9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 2, -9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 1, 18);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 10, 9);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 19, 0);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 21, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 0, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "", 0, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 0, 20);
 }
 
-void test40()
-{
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 2, 18);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 4, 16);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 5, 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 6, 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 3, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 5, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 1, -2);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 3, -2);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 4, -2);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 1, -4);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 2, -4);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 5, 15);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 9, 11);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 8, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 10, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 1, -5);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 2, -5);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 4, -5);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 1, -9);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 2, -9);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "", 0, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 2, 18);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 4, 16);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 5, 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 6, 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 3, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 5, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 1, -2);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 3, -2);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 4, -2);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 1, -4);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 2, -4);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 5, 15);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 9, 11);
+void test40() {
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 2, 18);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 4, 16);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 5, 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 6, 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 3, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 5, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 1, -2);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 3, -2);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 4, -2);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 1, -4);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 2, -4);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 5, 15);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 9, 11);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 8, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 10, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 1, -5);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 2, -5);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 4, -5);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 1, -9);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 2, -9);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "", 0, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 2, 18);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 4, 16);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 5, 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 6, 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 3, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 5, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 1, -2);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 3, -2);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 4, -2);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 1, -4);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 2, -4);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 5, 15);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 9, 11);
 }
 
-void test41()
-{
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 4, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 8, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 10, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 1, -5);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 2, -5);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 4, -5);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 1, -9);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 2, -9);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 9, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 18, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 1, -10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 5, -10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 9, -10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 1, -19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 2, -19);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 0, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 1, 20);
-    test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 2, -2);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+void test41() {
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 4, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 8, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 10, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 1, -5);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 2, -5);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 4, -5);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 1, -9);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 2, -9);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 9, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 18, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 1, -10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 5, -10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 9, -10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 1, -19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 2, -19);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 0, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 1, 20);
+  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 2, -2);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
 }
 
-void test42()
-{
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 2, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 4, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 6, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 3, -2);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 4, -3);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 5, -3);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 3, -1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 4, -1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 1, -3);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 2, -3);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 11, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 4, -3);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 8, -7);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 9, -8);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 10, -8);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 1, -4);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 2, -4);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 6, -4);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 1, -8);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 2, -8);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "", 0, 1, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 2, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 4, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 5, 1);
+void test42() {
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 2, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 4, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 6, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 3, -2);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 4, -3);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 5, -3);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 3, -1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 4, -1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 1, -3);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 2, -3);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 11, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 4, -3);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 8, -7);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 9, -8);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 10, -8);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 1, -4);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 2, -4);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 6, -4);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 1, -8);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 2, -8);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "", 0, 1, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 2, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 4, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 5, 1);
 }
 
-void test43()
-{
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 6, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 1, 8);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 2, 7);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 3, 6);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 4, 5);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 5, 5);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 3, -1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 4, -1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 1, -3);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 2, -3);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 1, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 11, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 1, 8);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 4, 5);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 8, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 9, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 10, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 1, -4);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 2, -4);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 6, -4);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 1, -8);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 2, -8);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
-    test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 18, "", 0, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "", 0, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 2, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 4, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 6, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 1, 17);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 2, 16);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 3, 15);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 4, 14);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 5, 14);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 3, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 4, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 1, -3);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 2, -3);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 11, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 1, 17);
+void test43() {
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 6, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 1, 8);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 2, 7);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 3, 6);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 4, 5);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 5, 5);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 3, -1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 4, -1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 1, -3);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 2, -3);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 1, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 11, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 1, 8);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 4, 5);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 8, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 9, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 10, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 1, -4);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 2, -4);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 6, -4);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 1, -8);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 2, -8);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
+  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 18, "", 0, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "", 0, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 2, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 4, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 6, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 1, 17);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 2, 16);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 3, 15);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 4, 14);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 5, 14);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 3, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 4, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 1, -3);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 2, -3);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 11, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 1, 17);
 }
 
-void test44()
-{
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 4, 14);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 8, 10);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 10, 9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 1, -4);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 2, -4);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 6, -4);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 1, -8);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 2, -8);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 1, 17);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 18, 0);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 19, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 20, -1);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 0, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 2, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 4, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 6, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 2, 17);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 3, 16);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 4, 15);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 5, 15);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 3, -1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 4, -1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 1, -3);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 2, -3);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 11, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 4, 15);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 8, 11);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 9, 10);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 10, 10);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 1, -4);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 2, -4);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 6, -4);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 1, -8);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 2, -8);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 9, 10);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 18, 1);
+void test44() {
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 4, 14);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 8, 10);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 10, 9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 1, -4);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 2, -4);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 6, -4);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 1, -8);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 2, -8);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 1, 17);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 18, 0);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 19, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 20, -1);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 0, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 2, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 4, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 6, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 2, 17);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 3, 16);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 4, 15);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 5, 15);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 3, -1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 4, -1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 1, -3);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 2, -3);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 11, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 4, 15);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 8, 11);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 9, 10);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 10, 10);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 1, -4);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 2, -4);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 6, -4);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 1, -8);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 2, -8);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 9, 10);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 18, 1);
 }
 
-void test45()
-{
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 2, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 4, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 6, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 2, 17);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 3, 16);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 4, 15);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 5, 15);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 2, -1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 3, -1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 4, -1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 1, -3);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 2, -3);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 5, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 9, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 11, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 4, 15);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 8, 11);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 9, 10);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 10, 10);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 1, -4);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 2, -4);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 5, -4);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 6, -4);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 1, -8);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 2, -8);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 10, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 19, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 20, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 21, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 9, 10);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 18, 1);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 1, -9);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 5, -9);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 1, -18);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 2, -18);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 0, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 1, 19);
-    test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 2, -2);
+void test45() {
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 2, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 4, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 6, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 2, 17);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 3, 16);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 4, 15);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 5, 15);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 2, -1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 3, -1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 4, -1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 1, -3);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 2, -3);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 5, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 9, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 11, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 4, 15);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 8, 11);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 9, 10);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 10, 10);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 1, -4);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 2, -4);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 5, -4);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 6, -4);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 1, -8);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 2, -8);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 10, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 19, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 20, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 21, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 9, 10);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 18, 1);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 1, -9);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 5, -9);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 1, -18);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 2, -18);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 0, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 1, 19);
+  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 2, -2);
 }
 
-void test46()
-{
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 1, "", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 2, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 4, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 6, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 2, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 3, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 5, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 2, 8);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 3, 8);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 4, 8);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 1, 6);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 2, 6);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 8, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 10, 9);
+void test46() {
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 1, "", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 2, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 4, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 6, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 2, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 3, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 5, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 2, 8);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 3, 8);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 4, 8);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 1, 6);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 2, 6);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 8, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 10, 9);
 }
 
-void test47()
-{
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 2, 5);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 4, 5);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 6, 5);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 2, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 19, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 20, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 21, 10);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 18, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 19, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 20, 9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 5, -4);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 9, -8);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 10, -9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 11, -9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 1, -9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 2, -9);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 5, "", 0, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "", 0, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 2, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 4, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 6, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 2, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 3, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 5, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 2, 8);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 3, 8);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 4, 8);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 1, 6);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 2, 6);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 8, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 10, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 2, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 4, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 6, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 2, 1);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 19, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 20, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 21, 10);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 18, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 19, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 20, 9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 1, 4);
+void test47() {
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 2, 5);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 4, 5);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 6, 5);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 2, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 19, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 20, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 21, 10);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 18, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 19, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 20, 9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 5, -4);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 9, -8);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 10, -9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 11, -9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 1, -9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 2, -9);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 5, "", 0, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "", 0, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 2, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 4, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 6, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 2, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 3, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 5, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 2, 8);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 3, 8);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 4, 8);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 1, 6);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 2, 6);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 8, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 10, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 2, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 4, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 6, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 2, 1);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 19, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 20, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 21, 10);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 18, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 19, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 20, 9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 1, 4);
 }
 
-void test48()
-{
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 5, 0);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 9, -4);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 10, -5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 11, -5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 1, -9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 2, -9);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 0, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 9, "", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "", 0, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 2, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 4, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 6, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 2, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 3, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 5, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 2, 8);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 3, 8);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 4, 8);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 1, 6);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 2, 6);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 8, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 10, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 2, 5);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 4, 5);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 6, 5);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 2, 1);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 19, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 20, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 21, 10);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 18, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 19, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 20, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 5, 4);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 9, 0);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 10, -1);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 11, -1);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 1, -9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 2, -9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 0, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 2, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 4, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 6, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 2, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 3, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 5, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 0, 10);
+void test48() {
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 5, 0);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 9, -4);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 10, -5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 11, -5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 1, -9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 2, -9);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 0, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 9, "", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "", 0, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 2, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 4, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 6, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 2, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 3, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 5, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 2, 8);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 3, 8);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 4, 8);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 1, 6);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 2, 6);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 8, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 10, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 2, 5);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 4, 5);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 6, 5);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 2, 1);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 19, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 20, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 21, 10);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 18, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 19, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 20, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 5, 4);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 9, 0);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 10, -1);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 11, -1);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 1, -9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 2, -9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 0, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 2, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 4, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 6, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 2, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 3, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 5, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 0, 10);
 }
 
-void test49()
-{
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 2, 8);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 3, 8);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 4, 8);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 1, 6);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 2, 6);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 8, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 10, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 2, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 4, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 6, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 2, 1);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 19, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 20, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 21, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 18, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 19, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 20, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 9, 1);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 1, -9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 2, -9);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 2, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 4, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 6, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 2, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 3, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 5, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 1, 8);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 2, 8);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 3, 8);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 4, 8);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 1, 6);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 2, 6);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 5, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 9, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 11, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 4, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 8, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 10, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 1, 5);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 2, 5);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 4, 5);
+void test49() {
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 2, 8);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 3, 8);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 4, 8);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 1, 6);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 2, 6);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 8, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 10, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 2, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 4, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 6, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 2, 1);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 19, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 20, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 21, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 18, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 19, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 20, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 9, 1);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 1, -9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 2, -9);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 2, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 4, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 6, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 2, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 3, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 5, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 1, 8);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 2, 8);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 3, 8);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 4, 8);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 1, 6);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 2, 6);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 5, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 9, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 11, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 4, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 8, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 10, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 1, 5);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 2, 5);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 4, 5);
 }
 
-void test50()
-{
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 6, 5);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 1, 1);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 2, 1);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 10, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 19, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 20, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 21, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 9, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 18, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 19, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 20, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 5, 5);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 9, 1);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 1, -9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 2, -9);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 0, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 1, 10);
-    test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 2, -2);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+void test50() {
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 6, 5);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 1, 1);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 2, 1);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 10, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 19, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 20, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 21, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 9, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 18, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 19, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 20, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 5, 5);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 9, 1);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 1, -9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 2, -9);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 0, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 1, 10);
+  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 2, -2);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 11, -10);
 }
 
-void test51()
-{
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 2, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 4, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 5, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 6, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 2, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 3, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 4, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 5, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 1, 17);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 2, 17);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 3, 17);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 4, 17);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 1, 15);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 2, 15);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 5, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 9, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 10, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 11, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 4, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 8, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 9, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 10, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 1, 14);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 2, 14);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 4, 14);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 5, 14);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 6, 14);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 1, 10);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 2, 10);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 10, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 19, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 20, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 21, 19);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 9, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 18, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 19, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 20, 18);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 5, 9);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 9, 9);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 10, 9);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 11, 9);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "", 0, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 2, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 4, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 5, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 6, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 2, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 3, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 4, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 5, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 1, 17);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 2, 17);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 3, 17);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 4, 17);
+void test51() {
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 2, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 4, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 5, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 6, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 2, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 3, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 4, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 5, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 1, 17);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 2, 17);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 3, 17);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 4, 17);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 1, 15);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 2, 15);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 5, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 9, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 10, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 11, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 4, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 8, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 9, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 10, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 1, 14);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 2, 14);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 4, 14);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 5, 14);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 6, 14);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 1, 10);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 2, 10);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 10, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 19, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 20, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 21, 19);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 9, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 18, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 19, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 20, 18);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 5, 9);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 9, 9);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 10, 9);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 11, 9);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "", 0, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 2, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 4, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 5, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 6, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 2, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 3, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 4, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 5, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 1, 17);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 2, 17);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 3, 17);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 4, 17);
 }
 
-void test52()
-{
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 1, 15);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 2, 15);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 5, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 9, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 10, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 11, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 4, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 8, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 9, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 10, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 1, 14);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 2, 14);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 4, 14);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 5, 14);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 6, 14);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 1, 10);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 2, 10);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 1, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 10, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 19, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 20, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 21, 19);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 1, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 9, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 18, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 19, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 20, 18);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 1, 9);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 5, 9);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 9, 9);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 10, 9);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 11, 9);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 0, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 1, 1);
-    test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 1, -1);
+void test52() {
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 1, 15);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 2, 15);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 5, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 9, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 10, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 11, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 4, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 8, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 9, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 10, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 1, 14);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 2, 14);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 4, 14);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 5, 14);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 6, 14);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 1, 10);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 2, 10);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 1, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 10, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 19, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 20, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 21, 19);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 1, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 9, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 18, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 19, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 20, 18);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 1, 9);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 5, 9);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 9, 9);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 10, 9);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 11, 9);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 0, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 1, 1);
+  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 1, -1);
 }
 
-void test53()
-{
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 6, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 3, -3);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 5, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 3, -3);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 4, -3);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 11, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 8, -8);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 10, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 2, -2);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 4, -4);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 6, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 19, -19);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 20, -20);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 21, -20);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 18, -18);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 19, -19);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 20, -19);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 5, -5);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 9, -9);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 10, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 11, -10);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 1, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 2, -1);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 0, 0);
+void test53() {
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 6, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 3, -3);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 5, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 3, -3);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 4, -3);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 11, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 8, -8);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 10, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 2, -2);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 4, -4);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 6, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 19, -19);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 20, -20);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 21, -20);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 18, -18);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 19, -19);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 20, -19);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 5, -5);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 9, -9);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 10, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 11, -10);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 1, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 2, -1);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 0, 0);
 }
 
-void test54()
-{
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 21, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 6, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 3, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 3, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcde", 6, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 9, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 11, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 8, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 9, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 4, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 6, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 11, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 19, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 20, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 21, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 9, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 18, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 19, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 20, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 5, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 9, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 10, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 11, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 2, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 0, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 1, 0);
-    test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 21, 0, 0);
+void test54() {
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 21, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 6, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 3, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 3, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcde", 6, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 9, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 11, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 8, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 9, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 4, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 6, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 11, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 19, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 20, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 21, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 9, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 18, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 19, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 20, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 5, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 9, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 10, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 11, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 2, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 0, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 1, 0);
+  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 21, 0, 0);
 }
 
-
 int main(int, char**) {
-    test0();
-    test1();
-    test2();
-    test3();
-    test4();
-    test5();
-    test6();
-    test7();
-    test8();
-    test9();
-    test10();
-    test11();
-    test12();
-    test13();
-    test14();
-    test15();
-    test16();
-    test17();
-    test18();
-    test19();
-    test20();
-    test21();
-    test22();
-    test23();
-    test24();
-    test25();
-    test26();
-    test27();
-    test28();
-    test29();
-    test30();
-    test31();
-    test32();
-    test33();
-    test34();
-    test35();
-    test36();
-    test37();
-    test38();
-    test39();
-    test40();
-    test41();
-    test42();
-    test43();
-    test44();
-    test45();
-    test46();
-    test47();
-    test48();
-    test49();
-    test50();
-    test51();
-    test52();
-    test53();
-    test54();
-
+  test0();
+  test1();
+  test2();
+  test3();
+  test4();
+  test5();
+  test6();
+  test7();
+  test8();
+  test9();
+  test10();
+  test11();
+  test12();
+  test13();
+  test14();
+  test15();
+  test16();
+  test17();
+  test18();
+  test19();
+  test20();
+  test21();
+  test22();
+  test23();
+  test24();
+  test25();
+  test26();
+  test27();
+  test28();
+  test29();
+  test30();
+  test31();
+  test32();
+  test33();
+  test34();
+  test35();
+  test36();
+  test37();
+  test38();
+  test39();
+  test40();
+  test41();
+  test42();
+  test43();
+  test44();
+  test45();
+  test46();
+  test47();
+  test48();
+  test49();
+  test50();
+  test51();
+  test52();
+  test53();
+  test54();
 
-    {
+  {
     test("abcde", 5, 1, "", 0, 0, 0);
     test("abcde", 2, 4, "", 0, 0, 3);
     test("abcde", 2, 4, "abcde", 3, 4, -2);
     test("ABCde", 2, 4, "abcde", 2, 4, -1);
-    }
+  }
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    {
+  {
     test(L"abcde", 5, 1, L"", 0, 0, 0);
     test(L"abcde", 2, 4, L"", 0, 0, 3);
     test(L"abcde", 2, 4, L"abcde", 3, 4, -2);
     test(L"ABCde", 2, 4, L"abcde", 2, 4, -1);
-    }
+  }
 #endif
 
 #if TEST_STD_VER >= 11
-    {
+  {
     test(u"abcde", 5, 1, u"", 0, 0, 0);
     test(u"abcde", 2, 4, u"", 0, 0, 3);
     test(u"abcde", 2, 4, u"abcde", 3, 4, -2);
     test(u"ABCde", 2, 4, u"abcde", 2, 4, -1);
-    }
+  }
 
-    {
+  {
     test(U"abcde", 5, 1, U"", 0, 0, 0);
     test(U"abcde", 2, 4, U"", 0, 0, 3);
     test(U"abcde", 2, 4, U"abcde", 3, 4, -2);
     test(U"ABCde", 2, 4, U"abcde", 2, 4, -1);
-    }
+  }
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1 { "abcde", 5 };
-    static_assert ( sv1.compare(5, 1, "", 0, 0) == 0, "" );
-    static_assert ( sv1.compare(2, 4, "", 0, 0) > 0, "" );
-    static_assert ( sv1.compare(2, 4, "abcde", 3, 4) < 0, "" );
-    }
+    constexpr SV sv1{"abcde", 5};
+    static_assert(sv1.compare(5, 1, "", 0, 0) == 0, "");
+    static_assert(sv1.compare(2, 4, "", 0, 0) > 0, "");
+    static_assert(sv1.compare(2, 4, "abcde", 3, 4) < 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/compare.sv.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/compare.sv.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/compare.sv.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/compare.sv.pass.cpp
@@ -18,109 +18,106 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
+int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv1,
-            std::basic_string_view<CharT> sv2, int expected ) {
-    assert ( sign( sv1.compare(sv2)) == sign(expected));
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv1, std::basic_string_view<CharT> sv2, int expected) {
+  assert(sign(sv1.compare(sv2)) == sign(expected));
 }
 
+template <typename CharT>
+void test(const CharT* s1, const CharT* s2, int expected) {
+  typedef std::basic_string_view<CharT> string_view_t;
 
-template<typename CharT>
-void test ( const CharT *s1, const CharT  *s2, int expected ) {
-    typedef std::basic_string_view<CharT> string_view_t;
-
-    string_view_t sv1 ( s1 );
-    string_view_t sv2 ( s2 );
-    test1(sv1, sv2, expected);
+  string_view_t sv1(s1);
+  string_view_t sv2(s2);
+  test1(sv1, sv2, expected);
 }
 
 int main(int, char**) {
-
-    test("",                     "", 0);
-    test("",                     "abcde", -5);
-    test("",                     "abcdefghij", -10);
-    test("",                     "abcdefghijklmnopqrst", -20);
-    test("abcde",                "", 5);
-    test("abcde",                "abcde", 0);
-    test("abcde",                "abcdefghij", -5);
-    test("abcde",                "abcdefghijklmnopqrst", -15);
-    test("abcdefghij",           "", 10);
-    test("abcdefghij",           "abcde", 5);
-    test("abcdefghij",           "abcdefghij", 0);
-    test("abcdefghij",           "abcdefghijklmnopqrst", -10);
-    test("abcdefghijklmnopqrst", "", 20);
-    test("abcdefghijklmnopqrst", "abcde", 15);
-    test("abcdefghijklmnopqrst", "abcdefghij", 10);
-    test("abcdefghijklmnopqrst", "abcdefghijklmnopqrst", 0);
+  test("", "", 0);
+  test("", "abcde", -5);
+  test("", "abcdefghij", -10);
+  test("", "abcdefghijklmnopqrst", -20);
+  test("abcde", "", 5);
+  test("abcde", "abcde", 0);
+  test("abcde", "abcdefghij", -5);
+  test("abcde", "abcdefghijklmnopqrst", -15);
+  test("abcdefghij", "", 10);
+  test("abcdefghij", "abcde", 5);
+  test("abcdefghij", "abcdefghij", 0);
+  test("abcdefghij", "abcdefghijklmnopqrst", -10);
+  test("abcdefghijklmnopqrst", "", 20);
+  test("abcdefghijklmnopqrst", "abcde", 15);
+  test("abcdefghijklmnopqrst", "abcdefghij", 10);
+  test("abcdefghijklmnopqrst", "abcdefghijklmnopqrst", 0);
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test(L"",                     L"", 0);
-    test(L"",                     L"abcde", -5);
-    test(L"",                     L"abcdefghij", -10);
-    test(L"",                     L"abcdefghijklmnopqrst", -20);
-    test(L"abcde",                L"", 5);
-    test(L"abcde",                L"abcde", 0);
-    test(L"abcde",                L"abcdefghij", -5);
-    test(L"abcde",                L"abcdefghijklmnopqrst", -15);
-    test(L"abcdefghij",           L"", 10);
-    test(L"abcdefghij",           L"abcde", 5);
-    test(L"abcdefghij",           L"abcdefghij", 0);
-    test(L"abcdefghij",           L"abcdefghijklmnopqrst", -10);
-    test(L"abcdefghijklmnopqrst", L"", 20);
-    test(L"abcdefghijklmnopqrst", L"abcde", 15);
-    test(L"abcdefghijklmnopqrst", L"abcdefghij", 10);
-    test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0);
+  test(L"", L"", 0);
+  test(L"", L"abcde", -5);
+  test(L"", L"abcdefghij", -10);
+  test(L"", L"abcdefghijklmnopqrst", -20);
+  test(L"abcde", L"", 5);
+  test(L"abcde", L"abcde", 0);
+  test(L"abcde", L"abcdefghij", -5);
+  test(L"abcde", L"abcdefghijklmnopqrst", -15);
+  test(L"abcdefghij", L"", 10);
+  test(L"abcdefghij", L"abcde", 5);
+  test(L"abcdefghij", L"abcdefghij", 0);
+  test(L"abcdefghij", L"abcdefghijklmnopqrst", -10);
+  test(L"abcdefghijklmnopqrst", L"", 20);
+  test(L"abcdefghijklmnopqrst", L"abcde", 15);
+  test(L"abcdefghijklmnopqrst", L"abcdefghij", 10);
+  test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0);
 #endif
 
 #if TEST_STD_VER >= 11
-    test(u"",                     u"", 0);
-    test(u"",                     u"abcde", -5);
-    test(u"",                     u"abcdefghij", -10);
-    test(u"",                     u"abcdefghijklmnopqrst", -20);
-    test(u"abcde",                u"", 5);
-    test(u"abcde",                u"abcde", 0);
-    test(u"abcde",                u"abcdefghij", -5);
-    test(u"abcde",                u"abcdefghijklmnopqrst", -15);
-    test(u"abcdefghij",           u"", 10);
-    test(u"abcdefghij",           u"abcde", 5);
-    test(u"abcdefghij",           u"abcdefghij", 0);
-    test(u"abcdefghij",           u"abcdefghijklmnopqrst", -10);
-    test(u"abcdefghijklmnopqrst", u"", 20);
-    test(u"abcdefghijklmnopqrst", u"abcde", 15);
-    test(u"abcdefghijklmnopqrst", u"abcdefghij", 10);
-    test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0);
-
-    test(U"",                     U"", 0);
-    test(U"",                     U"abcde", -5);
-    test(U"",                     U"abcdefghij", -10);
-    test(U"",                     U"abcdefghijklmnopqrst", -20);
-    test(U"abcde",                U"", 5);
-    test(U"abcde",                U"abcde", 0);
-    test(U"abcde",                U"abcdefghij", -5);
-    test(U"abcde",                U"abcdefghijklmnopqrst", -15);
-    test(U"abcdefghij",           U"", 10);
-    test(U"abcdefghij",           U"abcde", 5);
-    test(U"abcdefghij",           U"abcdefghij", 0);
-    test(U"abcdefghij",           U"abcdefghijklmnopqrst", -10);
-    test(U"abcdefghijklmnopqrst", U"", 20);
-    test(U"abcdefghijklmnopqrst", U"abcde", 15);
-    test(U"abcdefghijklmnopqrst", U"abcdefghij", 10);
-    test(U"abcdefghijklmnopqrst", U"abcdefghijklmnopqrst", 0);
+  test(u"", u"", 0);
+  test(u"", u"abcde", -5);
+  test(u"", u"abcdefghij", -10);
+  test(u"", u"abcdefghijklmnopqrst", -20);
+  test(u"abcde", u"", 5);
+  test(u"abcde", u"abcde", 0);
+  test(u"abcde", u"abcdefghij", -5);
+  test(u"abcde", u"abcdefghijklmnopqrst", -15);
+  test(u"abcdefghij", u"", 10);
+  test(u"abcdefghij", u"abcde", 5);
+  test(u"abcdefghij", u"abcdefghij", 0);
+  test(u"abcdefghij", u"abcdefghijklmnopqrst", -10);
+  test(u"abcdefghijklmnopqrst", u"", 20);
+  test(u"abcdefghijklmnopqrst", u"abcde", 15);
+  test(u"abcdefghijklmnopqrst", u"abcdefghij", 10);
+  test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0);
+
+  test(U"", U"", 0);
+  test(U"", U"abcde", -5);
+  test(U"", U"abcdefghij", -10);
+  test(U"", U"abcdefghijklmnopqrst", -20);
+  test(U"abcde", U"", 5);
+  test(U"abcde", U"abcde", 0);
+  test(U"abcde", U"abcdefghij", -5);
+  test(U"abcde", U"abcdefghijklmnopqrst", -15);
+  test(U"abcdefghij", U"", 10);
+  test(U"abcdefghij", U"abcde", 5);
+  test(U"abcdefghij", U"abcdefghij", 0);
+  test(U"abcdefghij", U"abcdefghijklmnopqrst", -10);
+  test(U"abcdefghijklmnopqrst", U"", 20);
+  test(U"abcdefghijklmnopqrst", U"abcde", 15);
+  test(U"abcdefghijklmnopqrst", U"abcdefghij", 10);
+  test(U"abcdefghijklmnopqrst", U"abcdefghijklmnopqrst", 0);
 #endif
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1 { "abcde", 5 };
-    constexpr SV  sv2 { "abcde", 5 };
-    constexpr SV  sv3 { "edcba0", 6 };
-    static_assert ( sv1.compare(sv2) == 0, "" );
-    static_assert ( sv2.compare(sv1) == 0, "" );
-    static_assert ( sv3.compare(sv2)  > 0, "" );
-    static_assert ( sv2.compare(sv3)  < 0, "" );
-    }
+    constexpr SV sv1{"abcde", 5};
+    constexpr SV sv2{"abcde", 5};
+    constexpr SV sv3{"edcba0", 6};
+    static_assert(sv1.compare(sv2) == 0, "");
+    static_assert(sv2.compare(sv1) == 0, "");
+    static_assert(sv3.compare(sv2) > 0, "");
+    static_assert(sv2.compare(sv3) < 0, "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/copy.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/copy.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/copy.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/copy.pass.cpp
@@ -25,112 +25,113 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
-void test1 ( std::basic_string_view<CharT> sv, size_t n, size_t pos ) {
-    const size_t rlen = std::min ( n, sv.size() - pos );
+template <typename CharT>
+void test1(std::basic_string_view<CharT> sv, size_t n, size_t pos) {
+  const size_t rlen = std::min(n, sv.size() - pos);
 
-    CharT *dest1 = new CharT [rlen + 1];    dest1[rlen] = 0;
-    CharT *dest2 = new CharT [rlen + 1];    dest2[rlen] = 0;
+  CharT* dest1 = new CharT[rlen + 1];
+  dest1[rlen]  = 0;
+  CharT* dest2 = new CharT[rlen + 1];
+  dest2[rlen]  = 0;
 
-    if (pos > sv.size()) {
+  if (pos > sv.size()) {
 #ifndef TEST_HAS_NO_EXCEPTIONS
-        try {
-            sv.copy(dest1, n, pos);
-            assert(false);
-        } catch (const std::out_of_range&) {
-        } catch (...) {
-            assert(false);
-        }
-#endif
-    } else {
-        sv.copy(dest1, n, pos);
-        std::copy_n(sv.begin() + pos, rlen, dest2);
-        for ( size_t i = 0; i <= rlen; ++i )
-            assert ( dest1[i] == dest2[i] );
+    try {
+      sv.copy(dest1, n, pos);
+      assert(false);
+    } catch (const std::out_of_range&) {
+    } catch (...) {
+      assert(false);
     }
-    delete [] dest1;
-    delete [] dest2;
+#endif
+  } else {
+    sv.copy(dest1, n, pos);
+    std::copy_n(sv.begin() + pos, rlen, dest2);
+    for (size_t i = 0; i <= rlen; ++i)
+      assert(dest1[i] == dest2[i]);
+  }
+  delete[] dest1;
+  delete[] dest2;
 }
 
+template <typename CharT>
+void test(const CharT* s) {
+  typedef std::basic_string_view<CharT> string_view_t;
 
-template<typename CharT>
-void test ( const CharT *s ) {
-    typedef std::basic_string_view<CharT> string_view_t;
-
-    string_view_t sv1 ( s );
+  string_view_t sv1(s);
 
-    test1(sv1,  0, 0);
-    test1(sv1,  1, 0);
-    test1(sv1, 20, 0);
-    test1(sv1, sv1.size(), 0);
-    test1(sv1, 20, string_view_t::npos);
+  test1(sv1, 0, 0);
+  test1(sv1, 1, 0);
+  test1(sv1, 20, 0);
+  test1(sv1, sv1.size(), 0);
+  test1(sv1, 20, string_view_t::npos);
 
-    test1(sv1,   0, 3);
-    test1(sv1,   2, 3);
-    test1(sv1, 100, 3);
-    test1(sv1, 100, string_view_t::npos);
+  test1(sv1, 0, 3);
+  test1(sv1, 2, 3);
+  test1(sv1, 100, 3);
+  test1(sv1, 100, string_view_t::npos);
 
-    test1(sv1, sv1.size(), string_view_t::npos);
+  test1(sv1, sv1.size(), string_view_t::npos);
 
-    test1(sv1, sv1.size() + 1, 0);
-    test1(sv1, sv1.size() + 1, 1);
-    test1(sv1, sv1.size() + 1, string_view_t::npos);
+  test1(sv1, sv1.size() + 1, 0);
+  test1(sv1, sv1.size() + 1, 1);
+  test1(sv1, sv1.size() + 1, string_view_t::npos);
 }
 
-template<typename CharT>
-TEST_CONSTEXPR_CXX20 bool test_constexpr_copy(const CharT *abcde, const CharT *ghijk, const CharT *bcdjk)
-{
-    CharT buf[6] = {};
-    std::basic_string_view<CharT> lval(ghijk); lval.copy(buf, 6);
-    std::basic_string_view<CharT>(abcde).copy(buf, 3, 1);
-    assert(std::basic_string_view<CharT>(buf) == bcdjk);
-    return true;
+template <typename CharT>
+TEST_CONSTEXPR_CXX20 bool test_constexpr_copy(const CharT* abcde, const CharT* ghijk, const CharT* bcdjk) {
+  CharT buf[6] = {};
+  std::basic_string_view<CharT> lval(ghijk);
+  lval.copy(buf, 6);
+  std::basic_string_view<CharT>(abcde).copy(buf, 3, 1);
+  assert(std::basic_string_view<CharT>(buf) == bcdjk);
+  return true;
 }
 
 int main(int, char**) {
-    test ( "ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( "ABCDE");
-    test ( "a" );
-    test ( "" );
+  test("ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test("ABCDE");
+  test("a");
+  test("");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( L"ABCDE" );
-    test ( L"a" );
-    test ( L"" );
+  test(L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(L"ABCDE");
+  test(L"a");
+  test(L"");
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( u"ABCDE" );
-    test ( u"a" );
-    test ( u"" );
-
-    test ( U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( U"ABCDE" );
-    test ( U"a" );
-    test ( U"" );
+  test(u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(u"ABCDE");
+  test(u"a");
+  test(u"");
+
+  test(U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(U"ABCDE");
+  test(U"a");
+  test(U"");
 #endif
 
-    test_constexpr_copy("ABCDE", "GHIJK", "BCDJK");
+  test_constexpr_copy("ABCDE", "GHIJK", "BCDJK");
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test_constexpr_copy(L"ABCDE", L"GHIJK", L"BCDJK");
+  test_constexpr_copy(L"ABCDE", L"GHIJK", L"BCDJK");
 #endif
 #if TEST_STD_VER >= 11
-    test_constexpr_copy(u"ABCDE", u"GHIJK", u"BCDJK");
-    test_constexpr_copy(U"ABCDE", U"GHIJK", U"BCDJK");
+  test_constexpr_copy(u"ABCDE", u"GHIJK", u"BCDJK");
+  test_constexpr_copy(U"ABCDE", U"GHIJK", U"BCDJK");
 #endif
 #if TEST_STD_VER >= 17
-    test_constexpr_copy(u8"ABCDE", u8"GHIJK", u8"BCDJK");
+  test_constexpr_copy(u8"ABCDE", u8"GHIJK", u8"BCDJK");
 #endif
 #if TEST_STD_VER >= 20
-    static_assert(test_constexpr_copy("ABCDE", "GHIJK", "BCDJK"));
-#ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    static_assert(test_constexpr_copy(L"ABCDE", L"GHIJK", L"BCDJK"));
-#endif
-    static_assert(test_constexpr_copy(u"ABCDE", u"GHIJK", u"BCDJK"));
-    static_assert(test_constexpr_copy(U"ABCDE", U"GHIJK", U"BCDJK"));
-    static_assert(test_constexpr_copy(u8"ABCDE", u8"GHIJK", u8"BCDJK"));
+  static_assert(test_constexpr_copy("ABCDE", "GHIJK", "BCDJK"));
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+  static_assert(test_constexpr_copy(L"ABCDE", L"GHIJK", L"BCDJK"));
+#  endif
+  static_assert(test_constexpr_copy(u"ABCDE", u"GHIJK", u"BCDJK"));
+  static_assert(test_constexpr_copy(U"ABCDE", U"GHIJK", U"BCDJK"));
+  static_assert(test_constexpr_copy(u8"ABCDE", u8"GHIJK", u8"BCDJK"));
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.ops/substr.pass.cpp b/libcxx/test/std/strings/string.view/string.view.ops/substr.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.ops/substr.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.ops/substr.pass.cpp
@@ -23,103 +23,101 @@
 
 #include "test_macros.h"
 
-template<typename CharT>
+template <typename CharT>
 void test1(std::basic_string_view<CharT> sv, size_t n, size_t pos) {
-    std::basic_string_view<CharT> sv1;
+  std::basic_string_view<CharT> sv1;
 #ifdef TEST_HAS_NO_EXCEPTIONS
-    if (pos > sv.size())
-        return ;  // would throw if exceptions were enabled
-    sv1 = sv.substr(pos, n);
+  if (pos > sv.size())
+    return; // would throw if exceptions were enabled
+  sv1 = sv.substr(pos, n);
 #else
-    try {
-        sv1 = sv.substr(pos, n);
-        assert(pos <= sv.size());
-    }
-    catch (const std::out_of_range&) {
-        assert(pos > sv.size());
-        return ;
-    }
+  try {
+    sv1 = sv.substr(pos, n);
+    assert(pos <= sv.size());
+  } catch (const std::out_of_range&) {
+    assert(pos > sv.size());
+    return;
+  }
 #endif
-    const size_t rlen = std::min(n, sv.size() - pos);
-    assert (sv1.size() == rlen);
-    for (size_t i = 0; i < rlen; ++i)
-        assert(sv[pos+i] == sv1[i]);
+  const size_t rlen = std::min(n, sv.size() - pos);
+  assert(sv1.size() == rlen);
+  for (size_t i = 0; i < rlen; ++i)
+    assert(sv[pos + i] == sv1[i]);
 }
 
+template <typename CharT>
+void test(const CharT* s) {
+  typedef std::basic_string_view<CharT> string_view_t;
 
-template<typename CharT>
-void test ( const CharT *s ) {
-    typedef std::basic_string_view<CharT> string_view_t;
+  string_view_t sv1(s);
 
-    string_view_t sv1 ( s );
+  test1(sv1, 0, 0);
+  test1(sv1, 1, 0);
+  test1(sv1, 20, 0);
+  test1(sv1, sv1.size(), 0);
 
-    test1(sv1,  0, 0);
-    test1(sv1,  1, 0);
-    test1(sv1, 20, 0);
-    test1(sv1, sv1.size(), 0);
+  test1(sv1, 0, 3);
+  test1(sv1, 2, 3);
+  test1(sv1, 100, 3);
 
-    test1(sv1,   0, 3);
-    test1(sv1,   2, 3);
-    test1(sv1, 100, 3);
+  test1(sv1, 0, string_view_t::npos);
+  test1(sv1, 2, string_view_t::npos);
+  test1(sv1, sv1.size(), string_view_t::npos);
 
-    test1(sv1, 0, string_view_t::npos);
-    test1(sv1, 2, string_view_t::npos);
-    test1(sv1, sv1.size(), string_view_t::npos);
-
-    test1(sv1, sv1.size() + 1, 0);
-    test1(sv1, sv1.size() + 1, 1);
-    test1(sv1, sv1.size() + 1, string_view_t::npos);
+  test1(sv1, sv1.size() + 1, 0);
+  test1(sv1, sv1.size() + 1, 1);
+  test1(sv1, sv1.size() + 1, string_view_t::npos);
 }
 
 int main(int, char**) {
-    test ( "ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( "ABCDE");
-    test ( "a" );
-    test ( "" );
+  test("ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test("ABCDE");
+  test("a");
+  test("");
 
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test ( L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( L"ABCDE" );
-    test ( L"a" );
-    test ( L"" );
+  test(L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(L"ABCDE");
+  test(L"a");
+  test(L"");
 #endif
 
 #if TEST_STD_VER >= 11
-    test ( u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( u"ABCDE" );
-    test ( u"a" );
-    test ( u"" );
-
-    test ( U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
-    test ( U"ABCDE" );
-    test ( U"a" );
-    test ( U"" );
+  test(u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(u"ABCDE");
+  test(u"a");
+  test(u"");
+
+  test(U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE");
+  test(U"ABCDE");
+  test(U"a");
+  test(U"");
 #endif
 
 #if TEST_STD_VER > 11
-    {
-    constexpr std::string_view sv1 { "ABCDE", 5 };
+  {
+    constexpr std::string_view sv1{"ABCDE", 5};
 
     {
-    constexpr std::string_view sv2 = sv1.substr ( 0, 3 );
-    static_assert ( sv2.size() == 3, "" );
-    static_assert ( sv2[0] == 'A', "" );
-    static_assert ( sv2[1] == 'B', "" );
-    static_assert ( sv2[2] == 'C', "" );
+      constexpr std::string_view sv2 = sv1.substr(0, 3);
+      static_assert(sv2.size() == 3, "");
+      static_assert(sv2[0] == 'A', "");
+      static_assert(sv2[1] == 'B', "");
+      static_assert(sv2[2] == 'C', "");
     }
 
     {
-    constexpr std::string_view sv2 = sv1.substr ( 3, 0 );
-    static_assert ( sv2.size() == 0, "" );
+      constexpr std::string_view sv2 = sv1.substr(3, 0);
+      static_assert(sv2.size() == 0, "");
     }
 
     {
-    constexpr std::string_view sv2 = sv1.substr ( 3, 3 );
-    static_assert ( sv2.size() == 2, "" );
-    static_assert ( sv2[0] == 'D', "" );
-    static_assert ( sv2[1] == 'E', "" );
-    }
+      constexpr std::string_view sv2 = sv1.substr(3, 3);
+      static_assert(sv2.size() == 2, "");
+      static_assert(sv2[0] == 'D', "");
+      static_assert(sv2[1] == 'E', "");
     }
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.synop/nothing_to_do.pass.cpp b/libcxx/test/std/strings/string.view/string.view.synop/nothing_to_do.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.synop/nothing_to_do.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.synop/nothing_to_do.pass.cpp
@@ -8,6 +8,4 @@
 
 #include <string_view>
 
-int main(int, char**) {
-  return 0;
-}
+int main(int, char**) { return 0; }
diff --git a/libcxx/test/std/strings/string.view/string.view.template/contains.char.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/contains.char.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/contains.char.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/contains.char.pass.cpp
@@ -17,29 +17,27 @@
 
 #include "test_macros.h"
 
-constexpr bool test()
-{
-    using SV = std::string_view;
+constexpr bool test() {
+  using SV = std::string_view;
 
-    SV sv1 {};
-    SV sv2 {"abcde", 5};
+  SV sv1{};
+  SV sv2{"abcde", 5};
 
-    ASSERT_NOEXCEPT(sv1.contains('e'));
+  ASSERT_NOEXCEPT(sv1.contains('e'));
 
-    assert(!sv1.contains('c'));
-    assert(!sv1.contains('e'));
-    assert(!sv1.contains('x'));
-    assert( sv2.contains('c'));
-    assert( sv2.contains('e'));
-    assert(!sv2.contains('x'));
+  assert(!sv1.contains('c'));
+  assert(!sv1.contains('e'));
+  assert(!sv1.contains('x'));
+  assert(sv2.contains('c'));
+  assert(sv2.contains('e'));
+  assert(!sv2.contains('x'));
 
-    return true;
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
-    static_assert(test());
+int main(int, char**) {
+  test();
+  static_assert(test());
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.template/contains.ptr.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/contains.ptr.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/contains.ptr.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/contains.ptr.pass.cpp
@@ -17,59 +17,57 @@
 
 #include "test_macros.h"
 
-constexpr bool test()
-{
-    using SV = std::string_view;
+constexpr bool test() {
+  using SV = std::string_view;
 
-    const char* s = "abcde";
-    SV sv0;
-    SV sv1 {s + 4, 1};
-    SV sv3 {s + 2, 3};
-    SV svNot {"xyz", 3};
+  const char* s = "abcde";
+  SV sv0;
+  SV sv1{s + 4, 1};
+  SV sv3{s + 2, 3};
+  SV svNot{"xyz", 3};
 
-    assert( sv0.contains(""));
-    assert(!sv0.contains("e"));
+  assert(sv0.contains(""));
+  assert(!sv0.contains("e"));
 
-    assert( sv1.contains(""));
-    assert(!sv1.contains("d"));
-    assert( sv1.contains("e"));
-    assert(!sv1.contains("de"));
-    assert(!sv1.contains("cd"));
-    assert(!sv1.contains("cde"));
-    assert(!sv1.contains("bcde"));
-    assert(!sv1.contains("abcde"));
-    assert(!sv1.contains("xyz"));
+  assert(sv1.contains(""));
+  assert(!sv1.contains("d"));
+  assert(sv1.contains("e"));
+  assert(!sv1.contains("de"));
+  assert(!sv1.contains("cd"));
+  assert(!sv1.contains("cde"));
+  assert(!sv1.contains("bcde"));
+  assert(!sv1.contains("abcde"));
+  assert(!sv1.contains("xyz"));
 
-    assert( sv3.contains(""));
-    assert( sv3.contains("d"));
-    assert( sv3.contains("e"));
-    assert( sv3.contains("de"));
-    assert( sv3.contains("cd"));
-    assert(!sv3.contains("ce"));
-    assert( sv3.contains("cde"));
-    assert(!sv3.contains("edc"));
-    assert(!sv3.contains("bcde"));
-    assert(!sv3.contains("abcde"));
-    assert(!sv3.contains("xyz"));
+  assert(sv3.contains(""));
+  assert(sv3.contains("d"));
+  assert(sv3.contains("e"));
+  assert(sv3.contains("de"));
+  assert(sv3.contains("cd"));
+  assert(!sv3.contains("ce"));
+  assert(sv3.contains("cde"));
+  assert(!sv3.contains("edc"));
+  assert(!sv3.contains("bcde"));
+  assert(!sv3.contains("abcde"));
+  assert(!sv3.contains("xyz"));
 
-    assert( svNot.contains(""));
-    assert(!svNot.contains("d"));
-    assert(!svNot.contains("e"));
-    assert(!svNot.contains("de"));
-    assert(!svNot.contains("cd"));
-    assert(!svNot.contains("cde"));
-    assert(!svNot.contains("bcde"));
-    assert(!svNot.contains("abcde"));
-    assert( svNot.contains("xyz"));
-    assert(!svNot.contains("zyx"));
+  assert(svNot.contains(""));
+  assert(!svNot.contains("d"));
+  assert(!svNot.contains("e"));
+  assert(!svNot.contains("de"));
+  assert(!svNot.contains("cd"));
+  assert(!svNot.contains("cde"));
+  assert(!svNot.contains("bcde"));
+  assert(!svNot.contains("abcde"));
+  assert(svNot.contains("xyz"));
+  assert(!svNot.contains("zyx"));
 
-    return true;
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
-    static_assert(test());
+int main(int, char**) {
+  test();
+  static_assert(test());
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.template/contains.string_view.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/contains.string_view.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/contains.string_view.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/contains.string_view.pass.cpp
@@ -17,73 +17,71 @@
 
 #include "test_macros.h"
 
-constexpr bool test()
-{
-    using SV = std::string_view;
-
-    const char* s = "abcde";
-    SV sv0;
-    SV sv1 {s + 1, 1};
-    SV sv2 {s + 1, 2};
-    SV sv3 {s + 1, 3};
-    SV sv4 {s + 1, 4};
-    SV sv5 {s    , 5};
-    SV svNot  {"xyz", 3};
-    SV svNot2 {"bd" , 2};
-    SV svNot3 {"dcb", 3};
-
-    ASSERT_NOEXCEPT(sv0.contains(sv0));
-
-    assert( sv0.contains(sv0));
-    assert(!sv0.contains(sv1));
-
-    assert( sv1.contains(sv0));
-    assert( sv1.contains(sv1));
-    assert(!sv1.contains(sv2));
-    assert(!sv1.contains(sv3));
-    assert(!sv1.contains(sv4));
-    assert(!sv1.contains(sv5));
-    assert(!sv1.contains(svNot));
-    assert(!sv1.contains(svNot2));
-    assert(!sv1.contains(svNot3));
-
-    assert( sv3.contains(sv0));
-    assert( sv3.contains(sv1));
-    assert( sv3.contains(sv2));
-    assert( sv3.contains(sv3));
-    assert(!sv3.contains(sv4));
-    assert(!sv3.contains(sv5));
-    assert(!sv3.contains(svNot));
-    assert(!sv3.contains(svNot2));
-    assert(!sv3.contains(svNot3));
-
-    assert( sv5.contains(sv0));
-    assert( sv5.contains(sv1));
-    assert( sv5.contains(sv2));
-    assert( sv5.contains(sv3));
-    assert( sv5.contains(sv4));
-    assert( sv5.contains(sv5));
-    assert(!sv5.contains(svNot));
-    assert(!sv5.contains(svNot2));
-    assert(!sv5.contains(svNot3));
-
-    assert( svNot.contains(sv0));
-    assert(!svNot.contains(sv1));
-    assert(!svNot.contains(sv2));
-    assert(!svNot.contains(sv3));
-    assert(!svNot.contains(sv4));
-    assert(!svNot.contains(sv5));
-    assert( svNot.contains(svNot));
-    assert(!svNot.contains(svNot2));
-    assert(!svNot.contains(svNot3));
-
-    return true;
+constexpr bool test() {
+  using SV = std::string_view;
+
+  const char* s = "abcde";
+  SV sv0;
+  SV sv1{s + 1, 1};
+  SV sv2{s + 1, 2};
+  SV sv3{s + 1, 3};
+  SV sv4{s + 1, 4};
+  SV sv5{s, 5};
+  SV svNot{"xyz", 3};
+  SV svNot2{"bd", 2};
+  SV svNot3{"dcb", 3};
+
+  ASSERT_NOEXCEPT(sv0.contains(sv0));
+
+  assert(sv0.contains(sv0));
+  assert(!sv0.contains(sv1));
+
+  assert(sv1.contains(sv0));
+  assert(sv1.contains(sv1));
+  assert(!sv1.contains(sv2));
+  assert(!sv1.contains(sv3));
+  assert(!sv1.contains(sv4));
+  assert(!sv1.contains(sv5));
+  assert(!sv1.contains(svNot));
+  assert(!sv1.contains(svNot2));
+  assert(!sv1.contains(svNot3));
+
+  assert(sv3.contains(sv0));
+  assert(sv3.contains(sv1));
+  assert(sv3.contains(sv2));
+  assert(sv3.contains(sv3));
+  assert(!sv3.contains(sv4));
+  assert(!sv3.contains(sv5));
+  assert(!sv3.contains(svNot));
+  assert(!sv3.contains(svNot2));
+  assert(!sv3.contains(svNot3));
+
+  assert(sv5.contains(sv0));
+  assert(sv5.contains(sv1));
+  assert(sv5.contains(sv2));
+  assert(sv5.contains(sv3));
+  assert(sv5.contains(sv4));
+  assert(sv5.contains(sv5));
+  assert(!sv5.contains(svNot));
+  assert(!sv5.contains(svNot2));
+  assert(!sv5.contains(svNot3));
+
+  assert(svNot.contains(sv0));
+  assert(!svNot.contains(sv1));
+  assert(!svNot.contains(sv2));
+  assert(!svNot.contains(sv3));
+  assert(!svNot.contains(sv4));
+  assert(!svNot.contains(sv5));
+  assert(svNot.contains(svNot));
+  assert(!svNot.contains(svNot2));
+  assert(!svNot.contains(svNot3));
+
+  return true;
 }
 
-int main(int, char**)
-{
-    test();
-    static_assert(test());
+int main(int, char**) {
+  test();
+  static_assert(test());
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/string.view.template/ends_with.char.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/ends_with.char.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/ends_with.char.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/ends_with.char.pass.cpp
@@ -18,31 +18,30 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    SV  sv1 {};
-    SV  sv2 { "abcde", 5 };
+    SV sv1{};
+    SV sv2{"abcde", 5};
 
     ASSERT_NOEXCEPT(sv1.ends_with('e'));
 
-    assert (!sv1.ends_with('e'));
-    assert (!sv1.ends_with('x'));
-    assert ( sv2.ends_with('e'));
-    assert (!sv2.ends_with('x'));
-    }
+    assert(!sv1.ends_with('e'));
+    assert(!sv1.ends_with('x'));
+    assert(sv2.ends_with('e'));
+    assert(!sv2.ends_with('x'));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1 {};
-    constexpr SV  sv2 { "abcde", 5 };
-    static_assert (!sv1.ends_with('e'), "" );
-    static_assert (!sv1.ends_with('x'), "" );
-    static_assert ( sv2.ends_with('e'), "" );
-    static_assert (!sv2.ends_with('x'), "" );
-    }
+    constexpr SV sv1{};
+    constexpr SV sv2{"abcde", 5};
+    static_assert(!sv1.ends_with('e'), "");
+    static_assert(!sv1.ends_with('x'), "");
+    static_assert(sv2.ends_with('e'), "");
+    static_assert(!sv2.ends_with('x'), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.template/ends_with.ptr.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/ends_with.ptr.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/ends_with.ptr.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/ends_with.ptr.pass.cpp
@@ -18,82 +18,81 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    const char *s = "abcde";
-    SV  sv0 {};
-    SV  sv1 { s + 4, 1 };
-    SV  sv2 { s + 3, 2 };
-    SV  svNot {"def", 3 };
+    const char* s = "abcde";
+    SV sv0{};
+    SV sv1{s + 4, 1};
+    SV sv2{s + 3, 2};
+    SV svNot{"def", 3};
 
     LIBCPP_ASSERT_NOEXCEPT(sv0.ends_with(""));
 
-    assert ( sv0.ends_with(""));
-    assert (!sv0.ends_with("e"));
-
-    assert ( sv1.ends_with(""));
-    assert ( sv1.ends_with("e"));
-    assert (!sv1.ends_with("de"));
-    assert (!sv1.ends_with("cde"));
-    assert (!sv1.ends_with("bcde"));
-    assert (!sv1.ends_with("abcde"));
-    assert (!sv1.ends_with("def"));
-
-    assert ( sv2.ends_with(""));
-    assert ( sv2.ends_with("e"));
-    assert ( sv2.ends_with("de"));
-    assert (!sv2.ends_with("cde"));
-    assert (!sv2.ends_with("bcde"));
-    assert (!sv2.ends_with("abcde"));
-    assert (!sv2.ends_with("def"));
-
-    assert ( svNot.ends_with(""));
-    assert (!svNot.ends_with("e"));
-    assert (!svNot.ends_with("de"));
-    assert (!svNot.ends_with("cde"));
-    assert (!svNot.ends_with("bcde"));
-    assert (!svNot.ends_with("abcde"));
-    assert ( svNot.ends_with("def"));
-    }
+    assert(sv0.ends_with(""));
+    assert(!sv0.ends_with("e"));
+
+    assert(sv1.ends_with(""));
+    assert(sv1.ends_with("e"));
+    assert(!sv1.ends_with("de"));
+    assert(!sv1.ends_with("cde"));
+    assert(!sv1.ends_with("bcde"));
+    assert(!sv1.ends_with("abcde"));
+    assert(!sv1.ends_with("def"));
+
+    assert(sv2.ends_with(""));
+    assert(sv2.ends_with("e"));
+    assert(sv2.ends_with("de"));
+    assert(!sv2.ends_with("cde"));
+    assert(!sv2.ends_with("bcde"));
+    assert(!sv2.ends_with("abcde"));
+    assert(!sv2.ends_with("def"));
+
+    assert(svNot.ends_with(""));
+    assert(!svNot.ends_with("e"));
+    assert(!svNot.ends_with("de"));
+    assert(!svNot.ends_with("cde"));
+    assert(!svNot.ends_with("bcde"));
+    assert(!svNot.ends_with("abcde"));
+    assert(svNot.ends_with("def"));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr const char *s = "abcde";
-    constexpr SV  sv0 {};
-    constexpr SV  sv1 { s + 4, 1 };
-    constexpr SV  sv2 { s + 3, 2 };
-    constexpr SV  svNot {"def", 3 };
-
-    static_assert ( sv0.ends_with(""), "" );
-    static_assert (!sv0.ends_with("e"), "" );
-
-    static_assert ( sv1.ends_with(""), "" );
-    static_assert ( sv1.ends_with("e"), "" );
-    static_assert (!sv1.ends_with("de"), "" );
-    static_assert (!sv1.ends_with("cde"), "" );
-    static_assert (!sv1.ends_with("bcde"), "" );
-    static_assert (!sv1.ends_with("abcde"), "" );
-    static_assert (!sv1.ends_with("def"), "" );
-
-    static_assert ( sv2.ends_with(""), "" );
-    static_assert ( sv2.ends_with("e"), "" );
-    static_assert ( sv2.ends_with("de"), "" );
-    static_assert (!sv2.ends_with("cde"), "" );
-    static_assert (!sv2.ends_with("bcde"), "" );
-    static_assert (!sv2.ends_with("abcde"), "" );
-    static_assert (!sv2.ends_with("def"), "" );
-
-    static_assert ( svNot.ends_with(""), "" );
-    static_assert (!svNot.ends_with("e"), "" );
-    static_assert (!svNot.ends_with("de"), "" );
-    static_assert (!svNot.ends_with("cde"), "" );
-    static_assert (!svNot.ends_with("bcde"), "" );
-    static_assert (!svNot.ends_with("abcde"), "" );
-    static_assert ( svNot.ends_with("def"), "" );
-    }
+    constexpr const char* s = "abcde";
+    constexpr SV sv0{};
+    constexpr SV sv1{s + 4, 1};
+    constexpr SV sv2{s + 3, 2};
+    constexpr SV svNot{"def", 3};
+
+    static_assert(sv0.ends_with(""), "");
+    static_assert(!sv0.ends_with("e"), "");
+
+    static_assert(sv1.ends_with(""), "");
+    static_assert(sv1.ends_with("e"), "");
+    static_assert(!sv1.ends_with("de"), "");
+    static_assert(!sv1.ends_with("cde"), "");
+    static_assert(!sv1.ends_with("bcde"), "");
+    static_assert(!sv1.ends_with("abcde"), "");
+    static_assert(!sv1.ends_with("def"), "");
+
+    static_assert(sv2.ends_with(""), "");
+    static_assert(sv2.ends_with("e"), "");
+    static_assert(sv2.ends_with("de"), "");
+    static_assert(!sv2.ends_with("cde"), "");
+    static_assert(!sv2.ends_with("bcde"), "");
+    static_assert(!sv2.ends_with("abcde"), "");
+    static_assert(!sv2.ends_with("def"), "");
+
+    static_assert(svNot.ends_with(""), "");
+    static_assert(!svNot.ends_with("e"), "");
+    static_assert(!svNot.ends_with("de"), "");
+    static_assert(!svNot.ends_with("cde"), "");
+    static_assert(!svNot.ends_with("bcde"), "");
+    static_assert(!svNot.ends_with("abcde"), "");
+    static_assert(svNot.ends_with("def"), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.template/ends_with.string_view.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/ends_with.string_view.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/ends_with.string_view.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/ends_with.string_view.pass.cpp
@@ -18,88 +18,87 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    const char *s = "abcde";
-    SV  sv0;
-    SV  sv1 { s + 4, 1 };
-    SV  sv2 { s + 3, 2 };
-    SV  sv3 { s + 2, 3 };
-    SV  sv4 { s + 1, 4 };
-    SV  sv5 { s    , 5 };
-    SV  svNot {"def", 3 };
+    const char* s = "abcde";
+    SV sv0;
+    SV sv1{s + 4, 1};
+    SV sv2{s + 3, 2};
+    SV sv3{s + 2, 3};
+    SV sv4{s + 1, 4};
+    SV sv5{s, 5};
+    SV svNot{"def", 3};
 
     ASSERT_NOEXCEPT(sv0.ends_with(sv0));
 
-    assert ( sv0.ends_with(sv0));
-    assert (!sv0.ends_with(sv1));
-
-    assert ( sv1.ends_with(sv0));
-    assert ( sv1.ends_with(sv1));
-    assert (!sv1.ends_with(sv2));
-    assert (!sv1.ends_with(sv3));
-    assert (!sv1.ends_with(sv4));
-    assert (!sv1.ends_with(sv5));
-    assert (!sv1.ends_with(svNot));
-
-    assert ( sv2.ends_with(sv0));
-    assert ( sv2.ends_with(sv1));
-    assert ( sv2.ends_with(sv2));
-    assert (!sv2.ends_with(sv3));
-    assert (!sv2.ends_with(sv4));
-    assert (!sv2.ends_with(sv5));
-    assert (!sv2.ends_with(svNot));
-
-    assert ( svNot.ends_with(sv0));
-    assert (!svNot.ends_with(sv1));
-    assert (!svNot.ends_with(sv2));
-    assert (!svNot.ends_with(sv3));
-    assert (!svNot.ends_with(sv4));
-    assert (!svNot.ends_with(sv5));
-    assert ( svNot.ends_with(svNot));
-    }
+    assert(sv0.ends_with(sv0));
+    assert(!sv0.ends_with(sv1));
+
+    assert(sv1.ends_with(sv0));
+    assert(sv1.ends_with(sv1));
+    assert(!sv1.ends_with(sv2));
+    assert(!sv1.ends_with(sv3));
+    assert(!sv1.ends_with(sv4));
+    assert(!sv1.ends_with(sv5));
+    assert(!sv1.ends_with(svNot));
+
+    assert(sv2.ends_with(sv0));
+    assert(sv2.ends_with(sv1));
+    assert(sv2.ends_with(sv2));
+    assert(!sv2.ends_with(sv3));
+    assert(!sv2.ends_with(sv4));
+    assert(!sv2.ends_with(sv5));
+    assert(!sv2.ends_with(svNot));
+
+    assert(svNot.ends_with(sv0));
+    assert(!svNot.ends_with(sv1));
+    assert(!svNot.ends_with(sv2));
+    assert(!svNot.ends_with(sv3));
+    assert(!svNot.ends_with(sv4));
+    assert(!svNot.ends_with(sv5));
+    assert(svNot.ends_with(svNot));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr const char *s = "abcde";
-    constexpr SV  sv0 {};
-    constexpr SV  sv1 { s + 4, 1 };
-    constexpr SV  sv2 { s + 3, 2 };
-    constexpr SV  sv3 { s + 2, 3 };
-    constexpr SV  sv4 { s + 1, 4 };
-    constexpr SV  sv5 { s,     5 };
-    constexpr SV  svNot {"def", 3 };
-
-    static_assert ( sv0.ends_with(sv0), "" );
-    static_assert (!sv0.ends_with(sv1), "" );
-
-    static_assert ( sv1.ends_with(sv0), "" );
-    static_assert ( sv1.ends_with(sv1), "" );
-    static_assert (!sv1.ends_with(sv2), "" );
-    static_assert (!sv1.ends_with(sv3), "" );
-    static_assert (!sv1.ends_with(sv4), "" );
-    static_assert (!sv1.ends_with(sv5), "" );
-    static_assert (!sv1.ends_with(svNot), "" );
-
-    static_assert ( sv2.ends_with(sv0), "" );
-    static_assert ( sv2.ends_with(sv1), "" );
-    static_assert ( sv2.ends_with(sv2), "" );
-    static_assert (!sv2.ends_with(sv3), "" );
-    static_assert (!sv2.ends_with(sv4), "" );
-    static_assert (!sv2.ends_with(sv5), "" );
-    static_assert (!sv2.ends_with(svNot), "" );
-
-    static_assert ( svNot.ends_with(sv0), "" );
-    static_assert (!svNot.ends_with(sv1), "" );
-    static_assert (!svNot.ends_with(sv2), "" );
-    static_assert (!svNot.ends_with(sv3), "" );
-    static_assert (!svNot.ends_with(sv4), "" );
-    static_assert (!svNot.ends_with(sv5), "" );
-    static_assert ( svNot.ends_with(svNot), "" );
-    }
+    constexpr const char* s = "abcde";
+    constexpr SV sv0{};
+    constexpr SV sv1{s + 4, 1};
+    constexpr SV sv2{s + 3, 2};
+    constexpr SV sv3{s + 2, 3};
+    constexpr SV sv4{s + 1, 4};
+    constexpr SV sv5{s, 5};
+    constexpr SV svNot{"def", 3};
+
+    static_assert(sv0.ends_with(sv0), "");
+    static_assert(!sv0.ends_with(sv1), "");
+
+    static_assert(sv1.ends_with(sv0), "");
+    static_assert(sv1.ends_with(sv1), "");
+    static_assert(!sv1.ends_with(sv2), "");
+    static_assert(!sv1.ends_with(sv3), "");
+    static_assert(!sv1.ends_with(sv4), "");
+    static_assert(!sv1.ends_with(sv5), "");
+    static_assert(!sv1.ends_with(svNot), "");
+
+    static_assert(sv2.ends_with(sv0), "");
+    static_assert(sv2.ends_with(sv1), "");
+    static_assert(sv2.ends_with(sv2), "");
+    static_assert(!sv2.ends_with(sv3), "");
+    static_assert(!sv2.ends_with(sv4), "");
+    static_assert(!sv2.ends_with(sv5), "");
+    static_assert(!sv2.ends_with(svNot), "");
+
+    static_assert(svNot.ends_with(sv0), "");
+    static_assert(!svNot.ends_with(sv1), "");
+    static_assert(!svNot.ends_with(sv2), "");
+    static_assert(!svNot.ends_with(sv3), "");
+    static_assert(!svNot.ends_with(sv4), "");
+    static_assert(!svNot.ends_with(sv5), "");
+    static_assert(svNot.ends_with(svNot), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.template/starts_with.char.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/starts_with.char.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/starts_with.char.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/starts_with.char.pass.cpp
@@ -18,31 +18,30 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    SV  sv1 {};
-    SV  sv2 { "abcde", 5 };
+    SV sv1{};
+    SV sv2{"abcde", 5};
 
     ASSERT_NOEXCEPT(sv1.starts_with('e'));
 
-    assert (!sv1.starts_with('a'));
-    assert (!sv1.starts_with('x'));
-    assert ( sv2.starts_with('a'));
-    assert (!sv2.starts_with('x'));
-    }
+    assert(!sv1.starts_with('a'));
+    assert(!sv1.starts_with('x'));
+    assert(sv2.starts_with('a'));
+    assert(!sv2.starts_with('x'));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr SV  sv1 {};
-    constexpr SV  sv2 { "abcde", 5 };
-    static_assert (!sv1.starts_with('a'), "" );
-    static_assert (!sv1.starts_with('x'), "" );
-    static_assert ( sv2.starts_with('a'), "" );
-    static_assert (!sv2.starts_with('x'), "" );
-    }
+    constexpr SV sv1{};
+    constexpr SV sv2{"abcde", 5};
+    static_assert(!sv1.starts_with('a'), "");
+    static_assert(!sv1.starts_with('x'), "");
+    static_assert(sv2.starts_with('a'), "");
+    static_assert(!sv2.starts_with('x'), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.template/starts_with.ptr.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/starts_with.ptr.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/starts_with.ptr.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/starts_with.ptr.pass.cpp
@@ -18,82 +18,81 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    const char *s = "abcde";
-    SV  sv0 {};
-    SV  sv1 { s, 1 };
-    SV  sv2 { s, 2 };
-    SV  svNot {"def", 3 };
+    const char* s = "abcde";
+    SV sv0{};
+    SV sv1{s, 1};
+    SV sv2{s, 2};
+    SV svNot{"def", 3};
 
     LIBCPP_ASSERT_NOEXCEPT(sv0.starts_with(""));
 
-    assert ( sv0.starts_with(""));
-    assert (!sv0.starts_with("a"));
-
-    assert ( sv1.starts_with(""));
-    assert ( sv1.starts_with("a"));
-    assert (!sv1.starts_with("ab"));
-    assert (!sv1.starts_with("abc"));
-    assert (!sv1.starts_with("abcd"));
-    assert (!sv1.starts_with("abcde"));
-    assert (!sv1.starts_with("def"));
-
-    assert ( sv2.starts_with(s + 5));
-    assert ( sv2.starts_with("a"));
-    assert ( sv2.starts_with("ab"));
-    assert (!sv2.starts_with("abc"));
-    assert (!sv2.starts_with("abcd"));
-    assert (!sv2.starts_with("abcde"));
-    assert (!sv2.starts_with("def"));
-
-    assert ( svNot.starts_with(""));
-    assert (!svNot.starts_with("a"));
-    assert (!svNot.starts_with("ab"));
-    assert (!svNot.starts_with("abc"));
-    assert (!svNot.starts_with("abcd"));
-    assert (!svNot.starts_with("abcde"));
-    assert ( svNot.starts_with("def"));
-    }
+    assert(sv0.starts_with(""));
+    assert(!sv0.starts_with("a"));
+
+    assert(sv1.starts_with(""));
+    assert(sv1.starts_with("a"));
+    assert(!sv1.starts_with("ab"));
+    assert(!sv1.starts_with("abc"));
+    assert(!sv1.starts_with("abcd"));
+    assert(!sv1.starts_with("abcde"));
+    assert(!sv1.starts_with("def"));
+
+    assert(sv2.starts_with(s + 5));
+    assert(sv2.starts_with("a"));
+    assert(sv2.starts_with("ab"));
+    assert(!sv2.starts_with("abc"));
+    assert(!sv2.starts_with("abcd"));
+    assert(!sv2.starts_with("abcde"));
+    assert(!sv2.starts_with("def"));
+
+    assert(svNot.starts_with(""));
+    assert(!svNot.starts_with("a"));
+    assert(!svNot.starts_with("ab"));
+    assert(!svNot.starts_with("abc"));
+    assert(!svNot.starts_with("abcd"));
+    assert(!svNot.starts_with("abcde"));
+    assert(svNot.starts_with("def"));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr const char *s = "abcde";
-    constexpr SV  sv0 {};
-    constexpr SV  sv1 { s, 1 };
-    constexpr SV  sv2 { s, 2 };
-    constexpr SV  svNot {"def", 3 };
-
-    static_assert ( sv0.starts_with(""), "" );
-    static_assert (!sv0.starts_with("a"), "" );
-
-    static_assert ( sv1.starts_with(""), "" );
-    static_assert ( sv1.starts_with("a"), "" );
-    static_assert (!sv1.starts_with("ab"), "" );
-    static_assert (!sv1.starts_with("abc"), "" );
-    static_assert (!sv1.starts_with("abcd"), "" );
-    static_assert (!sv1.starts_with("abcde"), "" );
-    static_assert (!sv1.starts_with("def"), "" );
-
-    static_assert ( sv2.starts_with(s + 5), "" );
-    static_assert ( sv2.starts_with("a"), "" );
-    static_assert ( sv2.starts_with("ab"), "" );
-    static_assert (!sv2.starts_with("abc"), "" );
-    static_assert (!sv2.starts_with("abcd"), "" );
-    static_assert (!sv2.starts_with("abcde"), "" );
-    static_assert (!sv2.starts_with("def"), "" );
-
-    static_assert ( svNot.starts_with(""), "" );
-    static_assert (!svNot.starts_with("a"), "" );
-    static_assert (!svNot.starts_with("ab"), "" );
-    static_assert (!svNot.starts_with("abc"), "" );
-    static_assert (!svNot.starts_with("abcd"), "" );
-    static_assert (!svNot.starts_with("abcde"), "" );
-    static_assert ( svNot.starts_with("def"), "" );
-    }
+    constexpr const char* s = "abcde";
+    constexpr SV sv0{};
+    constexpr SV sv1{s, 1};
+    constexpr SV sv2{s, 2};
+    constexpr SV svNot{"def", 3};
+
+    static_assert(sv0.starts_with(""), "");
+    static_assert(!sv0.starts_with("a"), "");
+
+    static_assert(sv1.starts_with(""), "");
+    static_assert(sv1.starts_with("a"), "");
+    static_assert(!sv1.starts_with("ab"), "");
+    static_assert(!sv1.starts_with("abc"), "");
+    static_assert(!sv1.starts_with("abcd"), "");
+    static_assert(!sv1.starts_with("abcde"), "");
+    static_assert(!sv1.starts_with("def"), "");
+
+    static_assert(sv2.starts_with(s + 5), "");
+    static_assert(sv2.starts_with("a"), "");
+    static_assert(sv2.starts_with("ab"), "");
+    static_assert(!sv2.starts_with("abc"), "");
+    static_assert(!sv2.starts_with("abcd"), "");
+    static_assert(!sv2.starts_with("abcde"), "");
+    static_assert(!sv2.starts_with("def"), "");
+
+    static_assert(svNot.starts_with(""), "");
+    static_assert(!svNot.starts_with("a"), "");
+    static_assert(!svNot.starts_with("ab"), "");
+    static_assert(!svNot.starts_with("abc"), "");
+    static_assert(!svNot.starts_with("abcd"), "");
+    static_assert(!svNot.starts_with("abcde"), "");
+    static_assert(svNot.starts_with("def"), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string.view.template/starts_with.string_view.pass.cpp b/libcxx/test/std/strings/string.view/string.view.template/starts_with.string_view.pass.cpp
--- a/libcxx/test/std/strings/string.view/string.view.template/starts_with.string_view.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.template/starts_with.string_view.pass.cpp
@@ -18,88 +18,87 @@
 #include "test_macros.h"
 #include "constexpr_char_traits.h"
 
-int main(int, char**)
-{
-    {
+int main(int, char**) {
+  {
     typedef std::string_view SV;
-    const char *s = "abcde";
-    SV  sv0 {};
-    SV  sv1 { s, 1 };
-    SV  sv2 { s, 2 };
-    SV  sv3 { s, 3 };
-    SV  sv4 { s, 4 };
-    SV  sv5 { s, 5 };
-    SV  svNot {"def", 3 };
+    const char* s = "abcde";
+    SV sv0{};
+    SV sv1{s, 1};
+    SV sv2{s, 2};
+    SV sv3{s, 3};
+    SV sv4{s, 4};
+    SV sv5{s, 5};
+    SV svNot{"def", 3};
 
     ASSERT_NOEXCEPT(sv0.starts_with(sv0));
 
-    assert ( sv0.starts_with(sv0));
-    assert (!sv0.starts_with(sv1));
-
-    assert ( sv1.starts_with(sv0));
-    assert ( sv1.starts_with(sv1));
-    assert (!sv1.starts_with(sv2));
-    assert (!sv1.starts_with(sv3));
-    assert (!sv1.starts_with(sv4));
-    assert (!sv1.starts_with(sv5));
-    assert (!sv1.starts_with(svNot));
-
-    assert ( sv2.starts_with(sv0));
-    assert ( sv2.starts_with(sv1));
-    assert ( sv2.starts_with(sv2));
-    assert (!sv2.starts_with(sv3));
-    assert (!sv2.starts_with(sv4));
-    assert (!sv2.starts_with(sv5));
-    assert (!sv2.starts_with(svNot));
-
-    assert ( svNot.starts_with(sv0));
-    assert (!svNot.starts_with(sv1));
-    assert (!svNot.starts_with(sv2));
-    assert (!svNot.starts_with(sv3));
-    assert (!svNot.starts_with(sv4));
-    assert (!svNot.starts_with(sv5));
-    assert ( svNot.starts_with(svNot));
-    }
+    assert(sv0.starts_with(sv0));
+    assert(!sv0.starts_with(sv1));
+
+    assert(sv1.starts_with(sv0));
+    assert(sv1.starts_with(sv1));
+    assert(!sv1.starts_with(sv2));
+    assert(!sv1.starts_with(sv3));
+    assert(!sv1.starts_with(sv4));
+    assert(!sv1.starts_with(sv5));
+    assert(!sv1.starts_with(svNot));
+
+    assert(sv2.starts_with(sv0));
+    assert(sv2.starts_with(sv1));
+    assert(sv2.starts_with(sv2));
+    assert(!sv2.starts_with(sv3));
+    assert(!sv2.starts_with(sv4));
+    assert(!sv2.starts_with(sv5));
+    assert(!sv2.starts_with(svNot));
+
+    assert(svNot.starts_with(sv0));
+    assert(!svNot.starts_with(sv1));
+    assert(!svNot.starts_with(sv2));
+    assert(!svNot.starts_with(sv3));
+    assert(!svNot.starts_with(sv4));
+    assert(!svNot.starts_with(sv5));
+    assert(svNot.starts_with(svNot));
+  }
 
 #if TEST_STD_VER > 11
-    {
+  {
     typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
-    constexpr const char *s = "abcde";
-    constexpr SV  sv0 {};
-    constexpr SV  sv1 { s, 1 };
-    constexpr SV  sv2 { s, 2 };
-    constexpr SV  sv3 { s, 3 };
-    constexpr SV  sv4 { s, 4 };
-    constexpr SV  sv5 { s, 5 };
-    constexpr SV  svNot {"def", 3 };
-
-    static_assert ( sv0.starts_with(sv0), "" );
-    static_assert (!sv0.starts_with(sv1), "" );
-
-    static_assert ( sv1.starts_with(sv0), "" );
-    static_assert ( sv1.starts_with(sv1), "" );
-    static_assert (!sv1.starts_with(sv2), "" );
-    static_assert (!sv1.starts_with(sv3), "" );
-    static_assert (!sv1.starts_with(sv4), "" );
-    static_assert (!sv1.starts_with(sv5), "" );
-    static_assert (!sv1.starts_with(svNot), "" );
-
-    static_assert ( sv2.starts_with(sv0), "" );
-    static_assert ( sv2.starts_with(sv1), "" );
-    static_assert ( sv2.starts_with(sv2), "" );
-    static_assert (!sv2.starts_with(sv3), "" );
-    static_assert (!sv2.starts_with(sv4), "" );
-    static_assert (!sv2.starts_with(sv5), "" );
-    static_assert (!sv2.starts_with(svNot), "" );
-
-    static_assert ( svNot.starts_with(sv0), "" );
-    static_assert (!svNot.starts_with(sv1), "" );
-    static_assert (!svNot.starts_with(sv2), "" );
-    static_assert (!svNot.starts_with(sv3), "" );
-    static_assert (!svNot.starts_with(sv4), "" );
-    static_assert (!svNot.starts_with(sv5), "" );
-    static_assert ( svNot.starts_with(svNot), "" );
-    }
+    constexpr const char* s = "abcde";
+    constexpr SV sv0{};
+    constexpr SV sv1{s, 1};
+    constexpr SV sv2{s, 2};
+    constexpr SV sv3{s, 3};
+    constexpr SV sv4{s, 4};
+    constexpr SV sv5{s, 5};
+    constexpr SV svNot{"def", 3};
+
+    static_assert(sv0.starts_with(sv0), "");
+    static_assert(!sv0.starts_with(sv1), "");
+
+    static_assert(sv1.starts_with(sv0), "");
+    static_assert(sv1.starts_with(sv1), "");
+    static_assert(!sv1.starts_with(sv2), "");
+    static_assert(!sv1.starts_with(sv3), "");
+    static_assert(!sv1.starts_with(sv4), "");
+    static_assert(!sv1.starts_with(sv5), "");
+    static_assert(!sv1.starts_with(svNot), "");
+
+    static_assert(sv2.starts_with(sv0), "");
+    static_assert(sv2.starts_with(sv1), "");
+    static_assert(sv2.starts_with(sv2), "");
+    static_assert(!sv2.starts_with(sv3), "");
+    static_assert(!sv2.starts_with(sv4), "");
+    static_assert(!sv2.starts_with(sv5), "");
+    static_assert(!sv2.starts_with(svNot), "");
+
+    static_assert(svNot.starts_with(sv0), "");
+    static_assert(!svNot.starts_with(sv1), "");
+    static_assert(!svNot.starts_with(sv2), "");
+    static_assert(!svNot.starts_with(sv3), "");
+    static_assert(!svNot.starts_with(sv4), "");
+    static_assert(!svNot.starts_with(sv5), "");
+    static_assert(svNot.starts_with(svNot), "");
+  }
 #endif
 
   return 0;
diff --git a/libcxx/test/std/strings/string.view/string_view.literals/literal.pass.cpp b/libcxx/test/std/strings/string.view/string_view.literals/literal.pass.cpp
--- a/libcxx/test/std/strings/string.view/string_view.literals/literal.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string_view.literals/literal.pass.cpp
@@ -16,81 +16,101 @@
 #include "test_macros.h"
 
 #ifndef TEST_HAS_NO_CHAR8_T
-    typedef std::u8string_view u8string_view;
+typedef std::u8string_view u8string_view;
 #else
-    typedef std::string_view   u8string_view;
+typedef std::string_view u8string_view;
 #endif
 
 int main(int, char**) {
-    {
-        using namespace std::literals::string_view_literals;
+  {
+    using namespace std::literals::string_view_literals;
 
-        ASSERT_SAME_TYPE(decltype(  "Hi"sv), std::string_view);
-        ASSERT_SAME_TYPE(decltype(u8"Hi"sv), u8string_view);
+    ASSERT_SAME_TYPE(decltype("Hi"sv), std::string_view);
+    ASSERT_SAME_TYPE(decltype(u8"Hi"sv), u8string_view);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        ASSERT_SAME_TYPE(decltype( L"Hi"sv), std::wstring_view);
+    ASSERT_SAME_TYPE(decltype(L"Hi"sv), std::wstring_view);
 #endif
-        ASSERT_SAME_TYPE(decltype( u"Hi"sv), std::u16string_view);
-        ASSERT_SAME_TYPE(decltype( U"Hi"sv), std::u32string_view);
+    ASSERT_SAME_TYPE(decltype(u"Hi"sv), std::u16string_view);
+    ASSERT_SAME_TYPE(decltype(U"Hi"sv), std::u32string_view);
 
-        std::string_view foo;
+    std::string_view foo;
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        std::wstring_view Lfoo;
+    std::wstring_view Lfoo;
 #endif
-        u8string_view u8foo;
-        std::u16string_view ufoo;
-        std::u32string_view Ufoo;
+    u8string_view u8foo;
+    std::u16string_view ufoo;
+    std::u32string_view Ufoo;
 
-        foo  =    ""sv;     assert(  foo.size() == 0);
-        u8foo = u8""sv;     assert(u8foo.size() == 0);
+    foo = ""sv;
+    assert(foo.size() == 0);
+    u8foo = u8""sv;
+    assert(u8foo.size() == 0);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L""sv;     assert( Lfoo.size() == 0);
+    Lfoo = L""sv;
+    assert(Lfoo.size() == 0);
 #endif
-        ufoo  =  u""sv;     assert( ufoo.size() == 0);
-        Ufoo  =  U""sv;     assert( Ufoo.size() == 0);
+    ufoo = u""sv;
+    assert(ufoo.size() == 0);
+    Ufoo = U""sv;
+    assert(Ufoo.size() == 0);
 
-        foo   =   " "sv;    assert(  foo.size() == 1);
-        u8foo = u8" "sv;    assert(u8foo.size() == 1);
+    foo = " "sv;
+    assert(foo.size() == 1);
+    u8foo = u8" "sv;
+    assert(u8foo.size() == 1);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L" "sv;    assert( Lfoo.size() == 1);
+    Lfoo = L" "sv;
+    assert(Lfoo.size() == 1);
 #endif
-        ufoo  =  u" "sv;    assert( ufoo.size() == 1);
-        Ufoo  =  U" "sv;    assert( Ufoo.size() == 1);
+    ufoo = u" "sv;
+    assert(ufoo.size() == 1);
+    Ufoo = U" "sv;
+    assert(Ufoo.size() == 1);
 
-        foo   =   "ABC"sv;  assert(  foo ==   "ABC");   assert(  foo == std::string_view   (  "ABC"));
-        u8foo = u8"ABC"sv;  assert(u8foo == u8"ABC");   assert(u8foo == u8string_view      (u8"ABC"));
+    foo = "ABC"sv;
+    assert(foo == "ABC");
+    assert(foo == std::string_view("ABC"));
+    u8foo = u8"ABC"sv;
+    assert(u8foo == u8"ABC");
+    assert(u8foo == u8string_view(u8"ABC"));
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        Lfoo  =  L"ABC"sv;  assert( Lfoo ==  L"ABC");   assert( Lfoo == std::wstring_view  ( L"ABC"));
+    Lfoo = L"ABC"sv;
+    assert(Lfoo == L"ABC");
+    assert(Lfoo == std::wstring_view(L"ABC"));
 #endif
-        ufoo  =  u"ABC"sv;  assert( ufoo ==  u"ABC");   assert( ufoo == std::u16string_view( u"ABC"));
-        Ufoo  =  U"ABC"sv;  assert( Ufoo ==  U"ABC");   assert( Ufoo == std::u32string_view( U"ABC"));
+    ufoo = u"ABC"sv;
+    assert(ufoo == u"ABC");
+    assert(ufoo == std::u16string_view(u"ABC"));
+    Ufoo = U"ABC"sv;
+    assert(Ufoo == U"ABC");
+    assert(Ufoo == std::u32string_view(U"ABC"));
 
-        static_assert(  "ABC"sv.size() == 3, "");
-        static_assert(u8"ABC"sv.size() == 3, "");
+    static_assert("ABC"sv.size() == 3, "");
+    static_assert(u8"ABC"sv.size() == 3, "");
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        static_assert( L"ABC"sv.size() == 3, "");
+    static_assert(L"ABC"sv.size() == 3, "");
 #endif
-        static_assert( u"ABC"sv.size() == 3, "");
-        static_assert( U"ABC"sv.size() == 3, "");
+    static_assert(u"ABC"sv.size() == 3, "");
+    static_assert(U"ABC"sv.size() == 3, "");
 
-        ASSERT_NOEXCEPT(  "ABC"sv);
-        ASSERT_NOEXCEPT(u8"ABC"sv);
+    ASSERT_NOEXCEPT("ABC"sv);
+    ASSERT_NOEXCEPT(u8"ABC"sv);
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-        ASSERT_NOEXCEPT( L"ABC"sv);
+    ASSERT_NOEXCEPT(L"ABC"sv);
 #endif
-        ASSERT_NOEXCEPT( u"ABC"sv);
-        ASSERT_NOEXCEPT( U"ABC"sv);
-    }
-    {
-        using namespace std::literals;
-        std::string_view foo = ""sv;
-        assert(foo.length() == 0);
-    }
-    {
-        using namespace std;
-        std::string_view foo = ""sv;
-        assert(foo.length() == 0);
-    }
+    ASSERT_NOEXCEPT(u"ABC"sv);
+    ASSERT_NOEXCEPT(U"ABC"sv);
+  }
+  {
+    using namespace std::literals;
+    std::string_view foo = ""sv;
+    assert(foo.length() == 0);
+  }
+  {
+    using namespace std;
+    std::string_view foo = ""sv;
+    assert(foo.length() == 0);
+  }
 
-    return 0;
+  return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/traits_mismatch.compile.fail.cpp b/libcxx/test/std/strings/string.view/traits_mismatch.compile.fail.cpp
--- a/libcxx/test/std/strings/string.view/traits_mismatch.compile.fail.cpp
+++ b/libcxx/test/std/strings/string.view/traits_mismatch.compile.fail.cpp
@@ -13,9 +13,8 @@
 
 #include <string_view>
 
-int main(int, char**)
-{
-    std::basic_string_view<char, std::char_traits<wchar_t>> s;
+int main(int, char**) {
+  std::basic_string_view<char, std::char_traits<wchar_t>> s;
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/string.view/types.pass.cpp b/libcxx/test/std/strings/string.view/types.pass.cpp
--- a/libcxx/test/std/strings/string.view/types.pass.cpp
+++ b/libcxx/test/std/strings/string.view/types.pass.cpp
@@ -39,47 +39,41 @@
 #include "test_macros.h"
 
 template <class Traits>
-void
-test()
-{
-    typedef std::basic_string_view<typename Traits::char_type, Traits> S;
+void test() {
+  typedef std::basic_string_view<typename Traits::char_type, Traits> S;
 
-    static_assert((std::is_same<typename S::traits_type,     Traits>::value), "");
-    static_assert((std::is_same<typename S::value_type,      typename Traits::char_type>::value), "");
-    static_assert((std::is_same<typename S::size_type,       std::size_t>::value), "");
-    static_assert((std::is_same<typename S::difference_type, ptrdiff_t>::value), "");
-    static_assert((std::is_same<typename S::reference,             typename S::value_type&>::value), "");
-    static_assert((std::is_same<typename S::const_reference, const typename S::value_type&>::value), "");
-    static_assert((std::is_same<typename S::pointer,               typename S::value_type*>::value), "");
-    static_assert((std::is_same<typename S::const_pointer,   const typename S::value_type*>::value), "");
-    static_assert((std::is_same<
-        typename std::iterator_traits<typename S::iterator>::iterator_category,
-        std::random_access_iterator_tag>::value), "");
-    static_assert((std::is_same<
-        typename std::iterator_traits<typename S::const_iterator>::iterator_category,
-        std::random_access_iterator_tag>::value), "");
-    static_assert((std::is_same<
-        typename S::reverse_iterator,
-        std::reverse_iterator<typename S::iterator> >::value), "");
-    static_assert((std::is_same<
-        typename S::const_reverse_iterator,
-        std::reverse_iterator<typename S::const_iterator> >::value), "");
-    static_assert(S::npos == -1, "");
-    static_assert((std::is_same<typename S::iterator,         typename S::const_iterator>::value), "");
-    static_assert((std::is_same<typename S::reverse_iterator, typename S::const_reverse_iterator>::value), "");
+  static_assert((std::is_same<typename S::traits_type, Traits>::value), "");
+  static_assert((std::is_same<typename S::value_type, typename Traits::char_type>::value), "");
+  static_assert((std::is_same<typename S::size_type, std::size_t>::value), "");
+  static_assert((std::is_same<typename S::difference_type, ptrdiff_t>::value), "");
+  static_assert((std::is_same<typename S::reference, typename S::value_type&>::value), "");
+  static_assert((std::is_same<typename S::const_reference, const typename S::value_type&>::value), "");
+  static_assert((std::is_same<typename S::pointer, typename S::value_type*>::value), "");
+  static_assert((std::is_same<typename S::const_pointer, const typename S::value_type*>::value), "");
+  static_assert((std::is_same< typename std::iterator_traits<typename S::iterator>::iterator_category,
+                               std::random_access_iterator_tag>::value),
+                "");
+  static_assert((std::is_same< typename std::iterator_traits<typename S::const_iterator>::iterator_category,
+                               std::random_access_iterator_tag>::value),
+                "");
+  static_assert((std::is_same< typename S::reverse_iterator, std::reverse_iterator<typename S::iterator> >::value), "");
+  static_assert(
+      (std::is_same< typename S::const_reverse_iterator, std::reverse_iterator<typename S::const_iterator> >::value),
+      "");
+  static_assert(S::npos == -1, "");
+  static_assert((std::is_same<typename S::iterator, typename S::const_iterator>::value), "");
+  static_assert((std::is_same<typename S::reverse_iterator, typename S::const_reverse_iterator>::value), "");
 }
 
-int main(int, char**)
-{
-    test<std::char_traits<char> >();
+int main(int, char**) {
+  test<std::char_traits<char> >();
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
-    test<std::char_traits<wchar_t> >();
+  test<std::char_traits<wchar_t> >();
 #endif
 #ifndef TEST_HAS_NO_CHAR8_T
-    test<std::char_traits<char8_t> >();
+  test<std::char_traits<char8_t> >();
 #endif
-    static_assert((std::is_same<std::basic_string_view<char>::traits_type,
-                                std::char_traits<char> >::value), "");
+  static_assert((std::is_same<std::basic_string_view<char>::traits_type, std::char_traits<char> >::value), "");
 
   return 0;
 }
diff --git a/libcxx/test/std/strings/strings.general/nothing_to_do.pass.cpp b/libcxx/test/std/strings/strings.general/nothing_to_do.pass.cpp
--- a/libcxx/test/std/strings/strings.general/nothing_to_do.pass.cpp
+++ b/libcxx/test/std/strings/strings.general/nothing_to_do.pass.cpp
@@ -6,8 +6,4 @@
 //
 //===----------------------------------------------------------------------===//
 
-int main(int, char**)
-{
-
-  return 0;
-}
+int main(int, char**) { return 0; }