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- //===----------------------------------------------------------------------===//
- //
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
- // See https://llvm.org/LICENSE.txt for license information.
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- //
- //===----------------------------------------------------------------------===//
- // test <ctime>
- #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(int, char**)
- {
- std::clock_t c = 0;
- std::size_t s = 0;
- std::time_t t = 0;
- std::tm tm = {};
- #if TEST_STD_VER > 14 && defined(TEST_HAS_C11_FEATURES)
- std::timespec tmspec = {};
- ((void)tmspec); // Prevent unused warning
- #endif
- ((void)c); // Prevent unused warning
- ((void)s); // Prevent unused warning
- ((void)t); // Prevent unused warning
- ((void)tm); // 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), "");
- #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
- char* c1 = 0;
- const char* c2 = 0;
- ((void)c1); // Prevent unused warning
- ((void)c2); // Prevent unused warning
- static_assert((std::is_same<decltype(std::strftime(c1,s,c2,&tm)), std::size_t>::value), "");
- return 0;
- }
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