1// { dg-options "-std=gnu++11" } 2// { dg-require-cstdint "" } 3// { dg-require-time "" } 4 5// Copyright (C) 2008-2015 Free Software Foundation, Inc. 6// 7// This file is part of the GNU ISO C++ Library. This library is free 8// software; you can redistribute it and/or modify it under the 9// terms of the GNU General Public License as published by the 10// Free Software Foundation; either version 3, or (at your option) 11// any later version. 12 13// This library is distributed in the hope that it will be useful, 14// but WITHOUT ANY WARRANTY; without even the implied warranty of 15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16// GNU General Public License for more details. 17 18// You should have received a copy of the GNU General Public License along 19// with this library; see the file COPYING3. If not see 20// <http://www.gnu.org/licenses/>. 21 22// 20.8.5 Clocks [time.clock] 23 24#include <chrono> 25 26// 20.8.5.1 system_clock [time.clock.system] 27int 28main() 29{ 30 using namespace std::chrono; 31 32 system_clock::time_point t1 = system_clock::now(); 33 bool is_steady = system_clock::is_steady; 34 is_steady = is_steady; // suppress unused warning 35 std::time_t t2 = system_clock::to_time_t(t1); 36 system_clock::time_point t3 = system_clock::from_time_t(t2); 37 t3 = t3; // suppress unused warning 38 39 return 0; 40} 41