| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <chrono> |
| 10 | |
| 11 | // duration |
| 12 | |
| 13 | // template <class Rep1, class Period, class Rep2> |
| 14 | // constexpr |
| 15 | // 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 | // constexpr |
| 20 | // 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 | |
| 29 | int 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 >= 11 |
| 39 | { |
| 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 | #endif |
| 47 | |
| 48 | #if TEST_STD_VER >= 11 |
| 49 | { // This is related to PR#41130 |
| 50 | 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 >= 11 |
| 76 | |
| 77 | return 0; |
| 78 | } |
| 79 | |