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435e56fb | 1 | // { dg-options "-std=gnu++17" } |
47df7e19 | 2 | // { dg-do run { target c++17 } } |
435e56fb | 3 | |
99dee823 | 4 | // Copyright (C) 2013-2021 Free Software Foundation, Inc. |
435e56fb VV |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
c7cbb4da | 17 | // You should have received a copy of the GNU General Public License along |
435e56fb VV |
18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <optional> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | #include <tuple> | |
25 | #include <string> | |
26 | ||
27 | namespace ns | |
28 | { | |
29 | struct value_type | |
30 | { | |
31 | int i; | |
32 | std::string s; | |
33 | }; | |
34 | ||
35 | bool | |
36 | operator==(value_type const& lhs, value_type const& rhs) | |
37 | { return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); } | |
38 | ||
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39 | bool |
40 | operator!=(value_type const& lhs, value_type const& rhs) | |
41 | { return std::tie(lhs.i, lhs.s) != std::tie(rhs.i, rhs.s); } | |
42 | ||
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43 | bool |
44 | operator<(value_type const& lhs, value_type const& rhs) | |
45 | { return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); } | |
46 | ||
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47 | bool |
48 | operator>(value_type const& lhs, value_type const& rhs) | |
49 | { return std::tie(lhs.i, lhs.s) > std::tie(rhs.i, rhs.s); } | |
50 | ||
51 | bool | |
52 | operator<=(value_type const& lhs, value_type const& rhs) | |
53 | { return std::tie(lhs.i, lhs.s) <= std::tie(rhs.i, rhs.s); } | |
54 | ||
55 | bool | |
56 | operator>=(value_type const& lhs, value_type const& rhs) | |
57 | { return std::tie(lhs.i, lhs.s) >= std::tie(rhs.i, rhs.s); } | |
58 | ||
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59 | } // namespace ns |
60 | ||
61 | int main() | |
62 | { | |
63 | using ns::value_type; | |
64 | using O = std::optional<value_type>; | |
65 | ||
66 | value_type const reference { 42, "forty-two" }; | |
67 | ||
68 | { | |
69 | O o; | |
70 | VERIFY( !(o == reference) ); | |
71 | VERIFY( !(reference == o) ); | |
72 | VERIFY( o != reference ); | |
73 | VERIFY( reference != o ); | |
74 | } | |
75 | ||
76 | { | |
77 | O o { value_type { 11, "eleventy" } }; | |
78 | VERIFY( !(o == reference) ); | |
79 | VERIFY( !(reference == o) ); | |
80 | VERIFY( o != reference ); | |
81 | VERIFY( reference != o ); | |
82 | } | |
83 | ||
84 | { | |
85 | O o { value_type { 42, "forty-two" } }; | |
86 | VERIFY( o == reference ); | |
87 | VERIFY( reference == o ); | |
88 | VERIFY( !(o != reference) ); | |
89 | VERIFY( !(reference != o) ); | |
90 | } | |
91 | } |