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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/system_clock/1.cc
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