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 // <system_error>
11 
12 // bool operator==(const error_code&      lhs, const error_code&      rhs);
13 // bool operator==(const error_code&      lhs, const error_condition& rhs);
14 // bool operator==(const error_condition& lhs, const error_code&      rhs);
15 // bool operator==(const error_condition& lhs, const error_condition& rhs);
16 // bool operator!=(const error_code&      lhs, const error_code&      rhs);
17 // bool operator!=(const error_code&      lhs, const error_condition& rhs);
18 // bool operator!=(const error_condition& lhs, const error_code&      rhs);
19 // bool operator!=(const error_condition& lhs, const error_condition& rhs);
20 
21 #include <system_error>
22 #include <cassert>
23 
main()24 int main()
25 {
26     std::error_code e_code1(5, std::generic_category());
27     std::error_code e_code2(5, std::system_category());
28     std::error_code e_code3(6, std::generic_category());
29     std::error_code e_code4(6, std::system_category());
30     std::error_condition e_condition1(5, std::generic_category());
31     std::error_condition e_condition2(5, std::system_category());
32     std::error_condition e_condition3(6, std::generic_category());
33     std::error_condition e_condition4(6, std::system_category());
34 
35     assert(e_code1 == e_code1);
36     assert(e_code1 != e_code2);
37     assert(e_code1 != e_code3);
38     assert(e_code1 != e_code4);
39     assert(e_code1 == e_condition1);
40     assert(e_code1 != e_condition2);
41     assert(e_code1 != e_condition3);
42     assert(e_code1 != e_condition4);
43 
44     assert(e_code2 != e_code1);
45     assert(e_code2 == e_code2);
46     assert(e_code2 != e_code3);
47     assert(e_code2 != e_code4);
48     assert(e_code2 == e_condition1);  // ?
49     assert(e_code2 == e_condition2);
50     assert(e_code2 != e_condition3);
51     assert(e_code2 != e_condition4);
52 
53     assert(e_code3 != e_code1);
54     assert(e_code3 != e_code2);
55     assert(e_code3 == e_code3);
56     assert(e_code3 != e_code4);
57     assert(e_code3 != e_condition1);
58     assert(e_code3 != e_condition2);
59     assert(e_code3 == e_condition3);
60     assert(e_code3 != e_condition4);
61 
62     assert(e_code4 != e_code1);
63     assert(e_code4 != e_code2);
64     assert(e_code4 != e_code3);
65     assert(e_code4 == e_code4);
66     assert(e_code4 != e_condition1);
67     assert(e_code4 != e_condition2);
68     assert(e_code4 == e_condition3);  // ?
69     assert(e_code4 == e_condition4);
70 
71     assert(e_condition1 == e_code1);
72     assert(e_condition1 == e_code2);  // ?
73     assert(e_condition1 != e_code3);
74     assert(e_condition1 != e_code4);
75     assert(e_condition1 == e_condition1);
76     assert(e_condition1 != e_condition2);
77     assert(e_condition1 != e_condition3);
78     assert(e_condition1 != e_condition4);
79 
80     assert(e_condition2 != e_code1);
81     assert(e_condition2 == e_code2);
82     assert(e_condition2 != e_code3);
83     assert(e_condition2 != e_code4);
84     assert(e_condition2 != e_condition1);
85     assert(e_condition2 == e_condition2);
86     assert(e_condition2 != e_condition3);
87     assert(e_condition2 != e_condition4);
88 
89     assert(e_condition3 != e_code1);
90     assert(e_condition3 != e_code2);
91     assert(e_condition3 == e_code3);
92     assert(e_condition3 == e_code4);  // ?
93     assert(e_condition3 != e_condition1);
94     assert(e_condition3 != e_condition2);
95     assert(e_condition3 == e_condition3);
96     assert(e_condition3 != e_condition4);
97 
98     assert(e_condition4 != e_code1);
99     assert(e_condition4 != e_code2);
100     assert(e_condition4 != e_code3);
101     assert(e_condition4 == e_code4);
102     assert(e_condition4 != e_condition1);
103     assert(e_condition4 != e_condition2);
104     assert(e_condition4 != e_condition3);
105     assert(e_condition4 == e_condition4);
106 }
107