duration.pass.cpp revision 832b304076afcd832a5ffe95281b46a7abdaf869 
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
19int 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