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
main()17 int main()
18 {
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 }
59