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 
main()16 int main()
17 {
18 #if _LIBCPP_STD_VER > 11
19     using namespace std::literals;
20 
21     std::chrono::hours h = 4h;
22     assert ( h == std::chrono::hours(4));
23     auto h2 = 4.0h;
24     assert ( h == h2 );
25 
26     std::chrono::minutes min = 36min;
27     assert ( min == std::chrono::minutes(36));
28     auto min2 = 36.0min;
29     assert ( min == min2 );
30 
31     std::chrono::seconds s = 24s;
32     assert ( s == std::chrono::seconds(24));
33     auto s2 = 24.0s;
34     assert ( s == s2 );
35 
36     std::chrono::milliseconds ms = 247ms;
37     assert ( ms == std::chrono::milliseconds(247));
38     auto ms2 = 247.0ms;
39     assert ( ms == ms2 );
40 
41     std::chrono::microseconds us = 867us;
42     assert ( us == std::chrono::microseconds(867));
43     auto us2 = 867.0us;
44     assert ( us == us2 );
45 
46     std::chrono::nanoseconds ns = 645ns;
47     assert ( ns == std::chrono::nanoseconds(645));
48     auto ns2 = 645.ns;
49     assert ( ns == ns2 );
50 #endif
51 }
52