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 // template <class Clock, class Duration1, class Duration2>
22 //   bool
23 //   operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
24 
25 // template <class Clock, class Duration1, class Duration2>
26 //   bool
27 //   operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
28 
29 #include <chrono>
30 #include <cassert>
31 
32 #include "test_macros.h"
33 
34 int main(int, char**)
35 {
36     typedef std::chrono::system_clock Clock;
37     typedef std::chrono::milliseconds Duration1;
38     typedef std::chrono::microseconds Duration2;
39     typedef std::chrono::time_point<Clock, Duration1> T1;
40     typedef std::chrono::time_point<Clock, Duration2> T2;
41 
42     {
43     T1 t1(Duration1(3));
44     T1 t2(Duration1(3));
45     assert(!(t1 <  t2));
46     assert(!(t1 >  t2));
47     assert( (t1 <= t2));
48     assert( (t1 >= t2));
49     }
50     {
51     T1 t1(Duration1(3));
52     T1 t2(Duration1(4));
53     assert( (t1 <  t2));
54     assert(!(t1 >  t2));
55     assert( (t1 <= t2));
56     assert(!(t1 >= t2));
57     }
58     {
59     T1 t1(Duration1(3));
60     T2 t2(Duration2(3000));
61     assert(!(t1 <  t2));
62     assert(!(t1 >  t2));
63     assert( (t1 <= t2));
64     assert( (t1 >= t2));
65     }
66     {
67     T1 t1(Duration1(3));
68     T2 t2(Duration2(3001));
69     assert( (t1 <  t2));
70     assert(!(t1 >  t2));
71     assert( (t1 <= t2));
72     assert(!(t1 >= t2));
73     }
74 
75 #if TEST_STD_VER > 11
76     {
77     constexpr T1 t1(Duration1(3));
78     constexpr T1 t2(Duration1(3));
79     static_assert(!(t1 <  t2), "");
80     static_assert(!(t1 >  t2), "");
81     static_assert( (t1 <= t2), "");
82     static_assert( (t1 >= t2), "");
83     }
84     {
85     constexpr T1 t1(Duration1(3));
86     constexpr T1 t2(Duration1(4));
87     static_assert( (t1 <  t2), "");
88     static_assert(!(t1 >  t2), "");
89     static_assert( (t1 <= t2), "");
90     static_assert(!(t1 >= t2), "");
91     }
92     {
93     constexpr T1 t1(Duration1(3));
94     constexpr T2 t2(Duration2(3000));
95     static_assert(!(t1 <  t2), "");
96     static_assert(!(t1 >  t2), "");
97     static_assert( (t1 <= t2), "");
98     static_assert( (t1 >= t2), "");
99     }
100     {
101     constexpr T1 t1(Duration1(3));
102     constexpr T2 t2(Duration2(3001));
103     static_assert( (t1 <  t2), "");
104     static_assert(!(t1 >  t2), "");
105     static_assert( (t1 <= t2), "");
106     static_assert(!(t1 >= t2), "");
107     }
108 #endif
109 
110   return 0;
111 }
112