| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <chrono> |
| |
| // time_point |
| |
| // template <class Clock, class Duration1, class Rep2, class Period2> |
| // time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type> |
| // operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs); |
| |
| // template <class Rep1, class Period1, class Clock, class Duration2> |
| // time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type> |
| // operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs); |
| |
| #include <chrono> |
| #include <cassert> |
| |
| int main() |
| { |
| 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 = t1 + Duration2(5); |
| assert(t2.time_since_epoch() == Duration2(3005)); |
| t2 = Duration2(6) + t1; |
| assert(t2.time_since_epoch() == Duration2(3006)); |
| } |
| #if _LIBCPP_STD_VER > 11 |
| { |
| constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3)); |
| constexpr std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5); |
| static_assert(t2.time_since_epoch() == Duration2(3005), ""); |
| constexpr std::chrono::time_point<Clock, Duration2> t3 = Duration2(6) + t1; |
| static_assert(t3.time_since_epoch() == Duration2(3006), ""); |
| } |
| #endif |
| } |