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 // <chrono>
11 
12 // time_point
13 
14 // template <class Clock, class Duration1, class Duration2>
15 //   bool
16 //   operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
17 
18 // template <class Clock, class Duration1, class Duration2>
19 //   bool
20 //   operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
21 
22 // template <class Clock, class Duration1, class Duration2>
23 //   bool
24 //   operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
25 
26 // template <class Clock, class Duration1, class Duration2>
27 //   bool
28 //   operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
29 
30 #include <chrono>
31 #include <cassert>
32 
33 #include "test_macros.h"
34 
main()35 int main()
36 {
37     typedef std::chrono::system_clock Clock;
38     typedef std::chrono::milliseconds Duration1;
39     typedef std::chrono::microseconds Duration2;
40     typedef std::chrono::time_point<Clock, Duration1> T1;
41     typedef std::chrono::time_point<Clock, Duration2> T2;
42 
43     {
44     T1 t1(Duration1(3));
45     T1 t2(Duration1(3));
46     assert(!(t1 <  t2));
47     assert(!(t1 >  t2));
48     assert( (t1 <= t2));
49     assert( (t1 >= t2));
50     }
51     {
52     T1 t1(Duration1(3));
53     T1 t2(Duration1(4));
54     assert( (t1 <  t2));
55     assert(!(t1 >  t2));
56     assert( (t1 <= t2));
57     assert(!(t1 >= t2));
58     }
59     {
60     T1 t1(Duration1(3));
61     T2 t2(Duration2(3000));
62     assert(!(t1 <  t2));
63     assert(!(t1 >  t2));
64     assert( (t1 <= t2));
65     assert( (t1 >= t2));
66     }
67     {
68     T1 t1(Duration1(3));
69     T2 t2(Duration2(3001));
70     assert( (t1 <  t2));
71     assert(!(t1 >  t2));
72     assert( (t1 <= t2));
73     assert(!(t1 >= t2));
74     }
75 
76 #if TEST_STD_VER > 11
77     {
78     constexpr T1 t1(Duration1(3));
79     constexpr T1 t2(Duration1(3));
80     static_assert(!(t1 <  t2), "");
81     static_assert(!(t1 >  t2), "");
82     static_assert( (t1 <= t2), "");
83     static_assert( (t1 >= t2), "");
84     }
85     {
86     constexpr T1 t1(Duration1(3));
87     constexpr T1 t2(Duration1(4));
88     static_assert( (t1 <  t2), "");
89     static_assert(!(t1 >  t2), "");
90     static_assert( (t1 <= t2), "");
91     static_assert(!(t1 >= t2), "");
92     }
93     {
94     constexpr T1 t1(Duration1(3));
95     constexpr T2 t2(Duration2(3000));
96     static_assert(!(t1 <  t2), "");
97     static_assert(!(t1 >  t2), "");
98     static_assert( (t1 <= t2), "");
99     static_assert( (t1 >= t2), "");
100     }
101     {
102     constexpr T1 t1(Duration1(3));
103     constexpr T2 t2(Duration2(3001));
104     static_assert( (t1 <  t2), "");
105     static_assert(!(t1 >  t2), "");
106     static_assert( (t1 <= t2), "");
107     static_assert(!(t1 >= t2), "");
108     }
109 #endif
110 }
111