1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <chrono>
10 
11 // time_point
12 
13 // explicit time_point(const duration& d);
14 
15 #include <chrono>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     typedef std::chrono::system_clock Clock;
23     typedef std::chrono::milliseconds Duration;
24     {
25     std::chrono::time_point<Clock, Duration> t(Duration(3));
26     assert(t.time_since_epoch() == Duration(3));
27     }
28     {
29     std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
30     assert(t.time_since_epoch() == Duration(3000));
31     }
32 #if TEST_STD_VER > 11
33     {
34     constexpr std::chrono::time_point<Clock, Duration> t(Duration(3));
35     static_assert(t.time_since_epoch() == Duration(3), "");
36     }
37     {
38     constexpr std::chrono::time_point<Clock, Duration> t(std::chrono::seconds(3));
39     static_assert(t.time_since_epoch() == Duration(3000), "");
40     }
41 #endif
42 
43   return 0;
44 }
45