1 // { dg-options "-std=gnu++0x" }
2 // { dg-require-cstdint "" }
3 // { dg-require-time "" }
5 // Copyright (C) 2008-2013 Free Software Foundation, Inc.
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)
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.
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/>.
22 // 20.8.5 Clocks [time.clock]
26 // 20.8.5.1 system_clock [time.clock.system]
30 using namespace std::chrono;
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