diff --git a/libc/utils/UnitTest/LibcTest.h b/libc/utils/UnitTest/LibcTest.h
--- a/libc/utils/UnitTest/LibcTest.h
+++ b/libc/utils/UnitTest/LibcTest.h
@@ -70,7 +70,7 @@
   virtual void SetUp() {}
   virtual void TearDown() {}
 
-  static int runTests();
+  static int runTests(int, char *[]);
 
 protected:
   static void addTest(Test *T);
diff --git a/libc/utils/UnitTest/LibcTest.cpp b/libc/utils/UnitTest/LibcTest.cpp
--- a/libc/utils/UnitTest/LibcTest.cpp
+++ b/libc/utils/UnitTest/LibcTest.cpp
@@ -143,14 +143,23 @@
   End = T;
 }
 
-int Test::runTests() {
+int Test::runTests(int argc,char *argv[]) {
   int TestCount = 0;
   int FailCount = 0;
   for (Test *T = Start; T != nullptr; T = T->Next, ++TestCount) {
     const char *TestName = T->getName();
+    std::string str_test_name(TestName);
     constexpr auto GREEN = "\033[32m";
     constexpr auto RED = "\033[31m";
     constexpr auto RESET = "\033[0m";
+    constexpr auto YELLOW = "\033[33m";
+    if(argc>1)  {
+      std::string specific_binary(argv[1]);
+      if(specific_binary!=str_test_name)  {
+        std::cout << YELLOW << "[ SKIPPING ] " << RESET << TestName << '\n';
+        break;
+      }
+    }
     std::cout << GREEN << "[ RUN      ] " << RESET << TestName << '\n';
     RunContext Ctx;
     T->SetUp();
@@ -169,9 +178,14 @@
     }
   }
 
-  std::cout << "Ran " << TestCount << " tests. "
-            << " PASS: " << TestCount - FailCount << ' '
-            << " FAIL: " << FailCount << '\n';
+  if(TestCount>0)  {
+    std::cout << "Ran " << TestCount << " tests. "
+              << " PASS: " << TestCount - FailCount << ' '
+              << " FAIL: " << FailCount << '\n';
+  }
+  else  {
+    std::cout << "No tests run. Ensure that inputted test binary matches the test name exactly.";
+  }
 
   return FailCount > 0 ? 1 : 0;
 }
@@ -350,4 +364,4 @@
 } // namespace testing
 } // namespace __llvm_libc
 
-int main() { return __llvm_libc::testing::Test::runTests(); }
+int main(int argc, char *argv[]) { return __llvm_libc::testing::Test::runTests(argc,argv); }