literals.pass.cpp revision f68b46f0c90f3205749eeaae8ebb2dd9ec3138f9 
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#include <chrono>
13#include <type_traits>
14#include <cassert>
15
16int main()
17{
18#if _LIBCPP_STD_VER > 11
19    using namespace std::literals::chrono_literals;
20
21//    Make sure the types are right
22    static_assert ( std::is_same<decltype( 3h   ), std::chrono::hours>::value, "" );
23    static_assert ( std::is_same<decltype( 3min ), std::chrono::minutes>::value, "" );
24    static_assert ( std::is_same<decltype( 3s   ), std::chrono::seconds>::value, "" );
25    static_assert ( std::is_same<decltype( 3ms  ), std::chrono::milliseconds>::value, "" );
26    static_assert ( std::is_same<decltype( 3us  ), std::chrono::microseconds>::value, "" );
27    static_assert ( std::is_same<decltype( 3ns  ), std::chrono::nanoseconds>::value, "" );
28
29    std::chrono::hours h = 4h;
30    assert ( h == std::chrono::hours(4));
31    auto h2 = 4.0h;
32    assert ( h == h2 );
33
34    std::chrono::minutes min = 36min;
35    assert ( min == std::chrono::minutes(36));
36    auto min2 = 36.0min;
37    assert ( min == min2 );
38
39    std::chrono::seconds s = 24s;
40    assert ( s == std::chrono::seconds(24));
41    auto s2 = 24.0s;
42    assert ( s == s2 );
43
44    std::chrono::milliseconds ms = 247ms;
45    assert ( ms == std::chrono::milliseconds(247));
46    auto ms2 = 247.0ms;
47    assert ( ms == ms2 );
48
49    std::chrono::microseconds us = 867us;
50    assert ( us == std::chrono::microseconds(867));
51    auto us2 = 867.0us;
52    assert ( us == us2 );
53
54    std::chrono::nanoseconds ns = 645ns;
55    assert ( ns == std::chrono::nanoseconds(645));
56    auto ns2 = 645.ns;
57    assert ( ns == ns2 );
58#endif
59}
60