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 // <chrono>
10 
11 // time_point
12 
13 // template <class Clock, class Duration1, class Duration2>
14 //   bool
15 //   operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
16 
17 // template <class Clock, class Duration1, class Duration2>
18 //   bool
19 //   operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
20 
21 #include <chrono>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 
26 int main(int, char**)
27 {
28     typedef std::chrono::system_clock Clock;
29     typedef std::chrono::milliseconds Duration1;
30     typedef std::chrono::microseconds Duration2;
31     typedef std::chrono::time_point<Clock, Duration1> T1;
32     typedef std::chrono::time_point<Clock, Duration2> T2;
33 
34     {
35     T1 t1(Duration1(3));
36     T1 t2(Duration1(3));
37     assert( (t1 == t2));
38     assert(!(t1 != t2));
39     }
40     {
41     T1 t1(Duration1(3));
42     T1 t2(Duration1(4));
43     assert(!(t1 == t2));
44     assert( (t1 != t2));
45     }
46     {
47     T1 t1(Duration1(3));
48     T2 t2(Duration2(3000));
49     assert( (t1 == t2));
50     assert(!(t1 != t2));
51     }
52     {
53     T1 t1(Duration1(3));
54     T2 t2(Duration2(3001));
55     assert(!(t1 == t2));
56     assert( (t1 != t2));
57     }
58 
59 #if TEST_STD_VER > 11
60     {
61     constexpr T1 t1(Duration1(3));
62     constexpr T1 t2(Duration1(3));
63     static_assert( (t1 == t2), "");
64     static_assert(!(t1 != t2), "");
65     }
66     {
67     constexpr T1 t1(Duration1(3));
68     constexpr T1 t2(Duration1(4));
69     static_assert(!(t1 == t2), "");
70     static_assert( (t1 != t2), "");
71     }
72     {
73     constexpr T1 t1(Duration1(3));
74     constexpr T2 t2(Duration2(3000));
75     static_assert( (t1 == t2), "");
76     static_assert(!(t1 != t2), "");
77     }
78     {
79     constexpr T1 t1(Duration1(3));
80     constexpr T2 t2(Duration2(3001));
81     static_assert(!(t1 == t2), "");
82     static_assert( (t1 != t2), "");
83     }
84 #endif
85 
86   return 0;
87 }
88