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 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 11 // UNSUPPORTED: availability-filesystem-missing 12 13 // <chrono> 14 15 // file_clock 16 17 // static time_point now() noexcept; 18 19 #include <chrono> 20 #include <cassert> 21 22 #include "test_macros.h" 23 24 int main(int, char**) 25 { 26 typedef std::chrono::file_clock C; 27 ASSERT_NOEXCEPT(C::now()); 28 29 C::time_point t1 = C::now(); 30 assert(t1.time_since_epoch().count() != 0); 31 assert(C::time_point::min() < t1); 32 assert(C::time_point::max() > t1); 33 34 return 0; 35 } 36