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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <chrono>
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// time_point
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// explicit time_point(const duration& d);
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#include <chrono>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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typedef std::chrono::system_clock Clock;
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typedef std::chrono::milliseconds Duration;
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{
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std::chrono::time_point<Clock, Duration> t(Duration(3));
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assert(t.time_since_epoch() == Duration(3));
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}
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{
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std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
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assert(t.time_since_epoch() == Duration(3000));
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}
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#if TEST_STD_VER > 11
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{
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constexpr std::chrono::time_point<Clock, Duration> t(Duration(3));
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static_assert(t.time_since_epoch() == Duration(3), "");
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}
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{
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constexpr std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
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static_assert(t.time_since_epoch() == Duration(3000), "");
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}
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#endif
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return 0;
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}
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