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// { dg-options "-std=gnu++11" }
// { dg-require-cstdint "" }
// Copyright (C) 2008-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.8.4 Class template time_point [time.point]
#include <chrono>
#include <testsuite_hooks.h>
// 20.8.4.3 time_point arithmetic [time.point.arithmetic]
void
test01()
{
bool test __attribute__((unused)) = true;
using namespace std::chrono;
time_point<system_clock> t1, t2;
t1 += seconds(1);
VERIFY(t2.time_since_epoch() + seconds(1) == t1.time_since_epoch());
t1 -= std::chrono::seconds(1);
VERIFY(t2.time_since_epoch() == t1.time_since_epoch());
}
// 20.8.4.5 time_point non-member arithmetic [time.point.nonmember]
void
test02()
{
bool test __attribute__((unused)) = true;
using namespace std::chrono;
time_point<system_clock> t1;
time_point<system_clock> t2(t1 + seconds(1));
VERIFY(t2.time_since_epoch() == t1.time_since_epoch() + seconds(1));
time_point<system_clock> t3(seconds(1) + t1);
VERIFY(t3.time_since_epoch() == t1.time_since_epoch() + seconds(1));
time_point<system_clock> t4(seconds(1));
time_point<system_clock> t5(seconds(2));
time_point<system_clock> t6(t5 - seconds(1));
VERIFY(t6.time_since_epoch() == t4.time_since_epoch());
time_point<system_clock> t7(t5 - t4);
VERIFY(t7.time_since_epoch() == t4.time_since_epoch());
}
int
main()
{
test01();
test02();
return 0;
}
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