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 // explicit time_point(const duration& d);
15 
16 #include <chrono>
17 #include <cassert>
18 
main()19 int main()
20 {
21     typedef std::chrono::system_clock Clock;
22     typedef std::chrono::milliseconds Duration;
23     {
24     std::chrono::time_point<Clock, Duration> t(Duration(3));
25     assert(t.time_since_epoch() == Duration(3));
26     }
27     {
28     std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
29     assert(t.time_since_epoch() == Duration(3000));
30     }
31 #if _LIBCPP_STD_VER > 11
32     {
33     constexpr std::chrono::time_point<Clock, Duration> t(Duration(3));
34     static_assert(t.time_since_epoch() == Duration(3), "");
35     }
36     {
37     constexpr std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
38     static_assert(t.time_since_epoch() == Duration(3000), "");
39     }
40 #endif
41 }
42