| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| #include "test_macros.h" |
| |
| #ifndef NULL |
| #error NULL not defined |
| #endif |
| |
| #ifndef CLOCKS_PER_SEC |
| #error CLOCKS_PER_SEC not defined |
| #endif |
| |
| #if TEST_STD_VER > 14 && defined(TEST_HAS_C11_FEATURES) |
| #ifndef TIME_UTC |
| #error TIME_UTC not defined |
| #endif |
| #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 |
| #if TEST_STD_VER > 14 && defined(TEST_HAS_C11_FEATURES) |
| std::timespec tmspec = {}; |
| ((void)tmspec); // Prevent unused warning |
| #endif |
| |
| 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), ""); |
| #if TEST_STD_VER > 14 && defined(TEST_HAS_TIMESPEC_GET) |
| static_assert((std::is_same<decltype(std::timespec_get(nullptr, 0)), int>::value), ""); |
| #endif |
| #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), ""); |
| } |