Differential D91292 Diff 308912 libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/ctor_int_int.pass.cpp
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libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/ctor_int_int.pass.cpp
//===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
// | // | ||||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
// See https://llvm.org/LICENSE.txt for license information. | // See https://llvm.org/LICENSE.txt for license information. | ||||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
// | // | ||||
//===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
// <random> | // <random> | ||||
// template<class _IntType = int> | // template<class _IntType = int> | ||||
// class uniform_int_distribution | // class uniform_int_distribution | ||||
// explicit uniform_int_distribution(IntType a = 0, | // explicit uniform_int_distribution(IntType a = 0, | ||||
// IntType b = numeric_limits<IntType>::max()); | // IntType b = numeric_limits<IntType>::max()); // before C++20 | ||||
// uniform_int_distribution() : uniform_int_distribution(0) {} // C++20 | |||||
// explicit uniform_int_distribution(IntType a, | |||||
// IntType b = numeric_limits<IntType>::max()); // C++20 | |||||
#include <random> | #include <random> | ||||
#include <cassert> | #include <cassert> | ||||
#include "test_macros.h" | #include "test_macros.h" | ||||
#if TEST_STD_VER >= 11 | |||||
#include "make_implicit.h" | |||||
#include "test_convertible.h" | |||||
#endif | |||||
template <class T> | |||||
void test_implicit() { | |||||
#if TEST_STD_VER >= 11 | |||||
typedef std::uniform_int_distribution<> D; | |||||
#if TEST_STD_VER > 17 | |||||
static_assert(test_convertible<D>(), ""); | |||||
assert(D(0) == make_implicit<D>()); | |||||
#else | |||||
static_assert(!test_convertible<D>(), ""); | |||||
#endif | |||||
static_assert(!test_convertible<D, T>(), ""); | |||||
static_assert(!test_convertible<D, T, T>(), ""); | |||||
#endif | |||||
} | |||||
int main(int, char**) | int main(int, char**) | ||||
{ | { | ||||
{ | { | ||||
typedef std::uniform_int_distribution<> D; | typedef std::uniform_int_distribution<> D; | ||||
D d; | D d; | ||||
assert(d.a() == 0); | assert(d.a() == 0); | ||||
assert(d.b() == std::numeric_limits<int>::max()); | assert(d.b() == std::numeric_limits<int>::max()); | ||||
} | } | ||||
{ | { | ||||
typedef std::uniform_int_distribution<> D; | typedef std::uniform_int_distribution<> D; | ||||
D d(-6); | D d(-6); | ||||
assert(d.a() == -6); | assert(d.a() == -6); | ||||
assert(d.b() == std::numeric_limits<int>::max()); | assert(d.b() == std::numeric_limits<int>::max()); | ||||
} | } | ||||
{ | { | ||||
typedef std::uniform_int_distribution<> D; | typedef std::uniform_int_distribution<> D; | ||||
D d(-6, 106); | D d(-6, 106); | ||||
assert(d.a() == -6); | assert(d.a() == -6); | ||||
assert(d.b() == 106); | assert(d.b() == 106); | ||||
} | } | ||||
test_implicit<int>(); | |||||
test_implicit<long>(); | |||||
return 0; | return 0; | ||||
} | } |