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 // UNSUPPORTED: c++03, c++11
10 // <chrono>
11
12 #include <chrono>
13 #include <type_traits>
14 #include <cassert>
15
16 #include "test_macros.h"
17
main(int,char **)18 int main(int, char**)
19 {
20 using namespace std::literals::chrono_literals;
21
22 // Make sure the types are right
23 static_assert ( std::is_same<decltype( 3h ), std::chrono::hours>::value, "" );
24 static_assert ( std::is_same<decltype( 3min ), std::chrono::minutes>::value, "" );
25 static_assert ( std::is_same<decltype( 3s ), std::chrono::seconds>::value, "" );
26 static_assert ( std::is_same<decltype( 3ms ), std::chrono::milliseconds>::value, "" );
27 static_assert ( std::is_same<decltype( 3us ), std::chrono::microseconds>::value, "" );
28 static_assert ( std::is_same<decltype( 3ns ), std::chrono::nanoseconds>::value, "" );
29
30 std::chrono::hours h = 4h;
31 assert ( h == std::chrono::hours(4));
32 auto h2 = 4.0h;
33 assert ( h == h2 );
34
35 std::chrono::minutes min = 36min;
36 assert ( min == std::chrono::minutes(36));
37 auto min2 = 36.0min;
38 assert ( min == min2 );
39
40 std::chrono::seconds s = 24s;
41 assert ( s == std::chrono::seconds(24));
42 auto s2 = 24.0s;
43 assert ( s == s2 );
44
45 std::chrono::milliseconds ms = 247ms;
46 assert ( ms == std::chrono::milliseconds(247));
47 auto ms2 = 247.0ms;
48 assert ( ms == ms2 );
49
50 std::chrono::microseconds us = 867us;
51 assert ( us == std::chrono::microseconds(867));
52 auto us2 = 867.0us;
53 assert ( us == us2 );
54
55 std::chrono::nanoseconds ns = 645ns;
56 assert ( ns == std::chrono::nanoseconds(645));
57 auto ns2 = 645.ns;
58 assert ( ns == ns2 );
59
60
61 return 0;
62 }
63