79 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <chrono>10 11// duration12 13// template <class Rep1, class Period, class Rep2>14// constexpr15// duration<typename common_type<Rep1, Rep2>::type, Period>16// operator*(const duration<Rep1, Period>& d, const Rep2& s);17 18// template <class Rep1, class Period, class Rep2>19// constexpr20// duration<typename common_type<Rep1, Rep2>::type, Period>21// operator*(const Rep1& s, const duration<Rep2, Period>& d);22 23#include <chrono>24#include <cassert>25 26#include "test_macros.h"27#include "../../rep.h"28 29int main(int, char**) {30 {31 std::chrono::nanoseconds ns(3);32 ns = ns * 5;33 assert(ns.count() == 15);34 ns = 6 * ns;35 assert(ns.count() == 90);36 }37 38#if TEST_STD_VER >= 1139 {40 constexpr std::chrono::nanoseconds ns(3);41 constexpr std::chrono::nanoseconds ns2 = ns * 5;42 static_assert(ns2.count() == 15, "");43 constexpr std::chrono::nanoseconds ns3 = 6 * ns;44 static_assert(ns3.count() == 18, "");45 }46#endif47 48#if TEST_STD_VER >= 1149 { // This is related to PR#4113050 typedef std::chrono::nanoseconds Duration;51 Duration d(5);52 NotARep n;53 ASSERT_SAME_TYPE(Duration, decltype(d * n));54 ASSERT_SAME_TYPE(Duration, decltype(n * d));55 d = d * n;56 assert(d.count() == 5);57 d = n * d;58 assert(d.count() == 5);59 }60 {61 std::chrono::duration<int> d(8);62 RepConstConvertibleLWG3050 x;63 64 {65 auto r = d * x;66 assert(r.count() == 16);67 ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));68 }69 {70 auto r = x * d;71 assert(r.count() == 16);72 ASSERT_SAME_TYPE(std::chrono::duration<long>, decltype(r));73 }74 }75#endif // TEST_STD_VER >= 1176 77 return 0;78}79