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 // UNSUPPORTED: c++98, c++03, c++11
11 // <chrono>
12
13 #include <chrono>
14 #include <type_traits>
15 #include <cassert>
16
17 #include "test_macros.h"
18
main()19 int main()
20 {
21 using namespace std::literals::chrono_literals;
22
23 // Make sure the types are right
24 static_assert ( std::is_same<decltype( 3h ), std::chrono::hours>::value, "" );
25 static_assert ( std::is_same<decltype( 3min ), std::chrono::minutes>::value, "" );
26 static_assert ( std::is_same<decltype( 3s ), std::chrono::seconds>::value, "" );
27 static_assert ( std::is_same<decltype( 3ms ), std::chrono::milliseconds>::value, "" );
28 static_assert ( std::is_same<decltype( 3us ), std::chrono::microseconds>::value, "" );
29 static_assert ( std::is_same<decltype( 3ns ), std::chrono::nanoseconds>::value, "" );
30
31 std::chrono::hours h = 4h;
32 assert ( h == std::chrono::hours(4));
33 auto h2 = 4.0h;
34 assert ( h == h2 );
35
36 std::chrono::minutes min = 36min;
37 assert ( min == std::chrono::minutes(36));
38 auto min2 = 36.0min;
39 assert ( min == min2 );
40
41 std::chrono::seconds s = 24s;
42 assert ( s == std::chrono::seconds(24));
43 auto s2 = 24.0s;
44 assert ( s == s2 );
45
46 std::chrono::milliseconds ms = 247ms;
47 assert ( ms == std::chrono::milliseconds(247));
48 auto ms2 = 247.0ms;
49 assert ( ms == ms2 );
50
51 std::chrono::microseconds us = 867us;
52 assert ( us == std::chrono::microseconds(867));
53 auto us2 = 867.0us;
54 assert ( us == us2 );
55
56 std::chrono::nanoseconds ns = 645ns;
57 assert ( ns == std::chrono::nanoseconds(645));
58 auto ns2 = 645.ns;
59 assert ( ns == ns2 );
60
61 }
62