1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // test <ctime> 10 11 // XFAIL: LIBCXX-WINDOWS-FIXME 12 13 #include <ctime> 14 #include <type_traits> 15 #include "test_macros.h" 16 17 #ifndef NULL 18 #error NULL not defined 19 #endif 20 21 #ifndef CLOCKS_PER_SEC 22 #error CLOCKS_PER_SEC not defined 23 #endif 24 25 #if TEST_STD_VER > 14 && defined(TEST_HAS_TIMESPEC_GET) 26 #ifndef TIME_UTC 27 #error TIME_UTC not defined 28 #endif 29 #endif 30 31 int main(int, char**) 32 { 33 std::clock_t c = 0; 34 std::size_t s = 0; 35 std::time_t t = 0; 36 std::tm tm = {}; 37 #if TEST_STD_VER > 14 && defined(TEST_HAS_TIMESPEC_GET) 38 std::timespec tmspec = {}; 39 ((void)tmspec); // Prevent unused warning 40 #endif 41 ((void)c); // Prevent unused warning 42 ((void)s); // Prevent unused warning 43 ((void)t); // Prevent unused warning 44 ((void)tm); // Prevent unused warning 45 static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), ""); 46 static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), ""); 47 static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), ""); 48 static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), ""); 49 #if TEST_STD_VER > 14 && defined(TEST_HAS_TIMESPEC_GET) 50 static_assert((std::is_same<decltype(std::timespec_get(&tmspec, 0)), int>::value), ""); 51 #endif 52 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 53 static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), ""); 54 static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), ""); 55 static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), ""); 56 static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), ""); 57 #endif 58 char* c1 = 0; 59 const char* c2 = 0; 60 ((void)c1); // Prevent unused warning 61 ((void)c2); // Prevent unused warning 62 static_assert((std::is_same<decltype(std::strftime(c1,s,c2,&tm)), std::size_t>::value), ""); 63 64 return 0; 65 } 66