1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include <ctime> 11 #include <type_traits> 12 13 #ifndef NULL 14 #error NULL not defined 15 #endif 16 17 #ifndef CLOCKS_PER_SEC 18 #error CLOCKS_PER_SEC not defined 19 #endif 20 21 int main() 22 { 23 std::clock_t c = 0; 24 std::size_t s = 0; 25 std::time_t t = 0; 26 std::tm tm = {0}; 27 char str[3]; 28 static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), ""); 29 static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), ""); 30 static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), ""); 31 static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), ""); 32 static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), ""); 33 static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), ""); 34 static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), ""); 35 static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), ""); 36 static_assert((std::is_same<decltype(std::strftime(str,s,"",&tm)), std::size_t>::value), ""); 37 } 38
