43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
// { dg-options "-std=gnu++2a" }
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// { dg-do compile { target c++2a } }
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// Copyright (C) 2020-2022 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.8.4 Class template time_point [time.point]
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#include <chrono>
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constexpr bool
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test_time_point_increment_ops()
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{
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using namespace std::chrono;
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bool ok = true;
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time_point<local_t, seconds> tp(seconds(1));
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ok &= tp.time_since_epoch() == 1s;
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ok &= (tp++).time_since_epoch() == 1s;
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ok &= tp.time_since_epoch() == 2s;
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ok &= (++tp).time_since_epoch() == 3s;
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ok &= (tp--).time_since_epoch() == 3s;
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ok &= tp.time_since_epoch() == 2s;
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ok &= (--tp).time_since_epoch() == 1s;
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ok &= tp.time_since_epoch() == 1s;
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return ok;
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}
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static_assert(test_time_point_increment_ops());
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