now.pass.cpp (879B)
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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 11 12 // TODO: Remove this when filesystem gets integrated into the dylib 13 // REQUIRES: c++filesystem 14 15 // <chrono> 16 17 // file_clock 18 19 // static time_point now() noexcept; 20 21 #include <chrono> 22 #include <cassert> 23 24 #include "test_macros.h" 25 26 int main() 27 { 28 typedef std::chrono::file_clock C; 29 ASSERT_NOEXCEPT(C::now()); 30 31 C::time_point t1 = C::now(); 32 assert(t1.time_since_epoch().count() != 0); 33 assert(C::time_point::min() < t1); 34 assert(C::time_point::max() > t1); 35 }