| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // time_point |
| |
| // template <class Clock, class Duration1, class Duration2> |
| // typename common_type<Duration1, Duration2>::type |
| // operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs); |
| |
| #include <chrono> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| typedef std::chrono::system_clock Clock; |
| typedef std::chrono::milliseconds Duration1; |
| typedef std::chrono::microseconds Duration2; |
| { |
| std::chrono::time_point<Clock, Duration1> t1(Duration1(3)); |
| std::chrono::time_point<Clock, Duration2> t2(Duration2(5)); |
| assert((t1 - t2) == Duration2(2995)); |
| } |
| #if TEST_STD_VER > 11 |
| { |
| constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3)); |
| constexpr std::chrono::time_point<Clock, Duration2> t2(Duration2(5)); |
| static_assert((t1 - t2) == Duration2(2995), ""); |
| } |
| #endif |
| |
| return 0; |
| } |