1 files changed, 1 insertions, 0 deletions

diff --git a/libcxx/test/utilities/date.time/tested_elsewhere.pass.cpp b/libcxx/test/utilities/date.time/tested_elsewhere.pass.cpp
new file mode 100644
index 00000000000..c9f667cc6f4
--- /dev/null
+++ b/libcxx/test/utilities/date.time/tested_elsewhere.pass.cpp
@@ -0,0 +1 @@
+//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include <ctime>
#include <type_traits>

#ifndef NULL
#error NULL not defined
#endif

#ifndef CLOCKS_PER_SEC
#error CLOCKS_PER_SEC not defined
#endif

int main()
{
    std::clock_t c = 0;
    std::size_t s = 0;
    std::time_t t = 0;
    std::tm tm = {0};
    char str[3];
    static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), "");
    static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), "");
    static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), "");
    static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), "");
    static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), "");
    static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), "");
    static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), "");
    static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), "");
    static_assert((std::is_same<decltype(std::strftime(str,s,"",&tm)), std::size_t>::value), "");
}
\ No newline at end of file