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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. 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 = {};
char str[3];
((void)c); // Prevent unused warning
((void)s); // Prevent unused warning
((void)t); // Prevent unused warning
((void)tm); // Prevent unused warning
((void)str); // Prevent unused warning
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), "");
#ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
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), "");
#endif
static_assert((std::is_same<decltype(std::strftime(str,s,"",&tm)), std::size_t>::value), "");
}
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