65 lines
1.6 KiB
C++
65 lines
1.6 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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// duration
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// template <class Rep1, class Period, class Rep2>
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// constexpr
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// duration<typename common_type<Rep1, Rep2>::type, Period>
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// operator*(const duration<Rep1, Period>& d, const Rep2& s);
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// template <class Rep1, class Period, class Rep2>
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// constexpr
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// duration<typename common_type<Rep1, Rep2>::type, Period>
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// operator*(const Rep1& s, const duration<Rep2, Period>& 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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#include "../../rep.h"
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int main(int, char**)
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{
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{
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std::chrono::nanoseconds ns(3);
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ns = ns * 5;
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assert(ns.count() == 15);
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ns = 6 * ns;
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assert(ns.count() == 90);
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}
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#if TEST_STD_VER >= 11
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{
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constexpr std::chrono::nanoseconds ns(3);
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constexpr std::chrono::nanoseconds ns2 = ns * 5;
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static_assert(ns2.count() == 15, "");
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constexpr std::chrono::nanoseconds ns3 = 6 * ns;
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static_assert(ns3.count() == 18, "");
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}
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#endif
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#if TEST_STD_VER >= 11
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{ // This is related to PR#41130
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typedef std::chrono::nanoseconds Duration;
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Duration d(5);
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NotARep n;
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ASSERT_SAME_TYPE(Duration, decltype(d * n));
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ASSERT_SAME_TYPE(Duration, decltype(n * d));
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d = d * n;
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assert(d.count() == 5);
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d = n * d;
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assert(d.count() == 5);
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}
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#endif
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return 0;
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}
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