1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <chrono>
11
12 // time_point
13
14 // template <class Clock, class Duration1, class Rep2, class Period2>
15 // time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
16 // operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
17
18 // template <class Rep1, class Period1, class Clock, class Duration2>
19 // time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
20 // operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
21
22 #include <chrono>
23 #include <cassert>
24
25 #include "test_macros.h"
26
main()27 int main()
28 {
29 typedef std::chrono::system_clock Clock;
30 typedef std::chrono::milliseconds Duration1;
31 typedef std::chrono::microseconds Duration2;
32 {
33 std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
34 std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5);
35 assert(t2.time_since_epoch() == Duration2(3005));
36 t2 = Duration2(6) + t1;
37 assert(t2.time_since_epoch() == Duration2(3006));
38 }
39 #if TEST_STD_VER > 11
40 {
41 constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
42 constexpr std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5);
43 static_assert(t2.time_since_epoch() == Duration2(3005), "");
44 constexpr std::chrono::time_point<Clock, Duration2> t3 = Duration2(6) + t1;
45 static_assert(t3.time_since_epoch() == Duration2(3006), "");
46 }
47 #endif
48 }
49