1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test <ctime> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <ctime> 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <type_traits> 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef NULL 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error NULL not defined 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef CLOCKS_PER_SEC 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error CLOCKS_PER_SEC not defined 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::clock_t c = 0; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::size_t s = 0; 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::time_t t = 0; 28bfdae2062a086dbfeb47774afcf429402cb39c57Eric Fiselier std::tm tm = {}; 29a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)c); // Prevent unused warning 30a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)s); // Prevent unused warning 31a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)t); // Prevent unused warning 32a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)tm); // Prevent unused warning 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), ""); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), ""); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), ""); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), ""); 37323ade3e7080de24c659f714404592818a78ca76Ed Schouten#ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), ""); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), ""); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), ""); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), ""); 42323ade3e7080de24c659f714404592818a78ca76Ed Schouten#endif 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant char* c1 = 0; 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const char* c2 = 0; 45a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)c1); // Prevent unused warning 46a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier ((void)c2); // Prevent unused warning 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant static_assert((std::is_same<decltype(std::strftime(c1,s,c2,&tm)), std::size_t>::value), ""); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 49