| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <chrono> |
| |
| // template <class Rep1, class Period1, class Rep2, class Period2> |
| // struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>> |
| // { |
| // typedef chrono::duration<typename common_type<Rep1, Rep2>::type, see below }> type; |
| // }; |
| |
| #include <chrono> |
| |
| #include "test_macros.h" |
| |
| template <class D1, class D2, class De> |
| void |
| test() |
| { |
| typedef typename std::common_type<D1, D2>::type Dc; |
| static_assert((std::is_same<Dc, De>::value), ""); |
| } |
| |
| int main(int, char**) |
| { |
| test<std::chrono::duration<int, std::ratio<1, 100> >, |
| std::chrono::duration<long, std::ratio<1, 1000> >, |
| std::chrono::duration<long, std::ratio<1, 1000> > >(); |
| test<std::chrono::duration<long, std::ratio<1, 100> >, |
| std::chrono::duration<int, std::ratio<1, 1000> >, |
| std::chrono::duration<long, std::ratio<1, 1000> > >(); |
| test<std::chrono::duration<char, std::ratio<1, 30> >, |
| std::chrono::duration<short, std::ratio<1, 1000> >, |
| std::chrono::duration<int, std::ratio<1, 3000> > >(); |
| test<std::chrono::duration<double, std::ratio<21, 1> >, |
| std::chrono::duration<short, std::ratio<15, 1> >, |
| std::chrono::duration<double, std::ratio<3, 1> > >(); |
| |
| return 0; |
| } |