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47df7e19 | 1 | // { dg-do run { target c++17 } } |
435e56fb | 2 | |
7adcbafe | 3 | // Copyright (C) 2013-2022 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <optional> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | #include <tuple> | |
24 | #include <string> | |
25 | ||
26 | namespace ns | |
27 | { | |
28 | struct value_type | |
29 | { | |
30 | int i; | |
31 | std::string s; | |
32 | }; | |
33 | ||
34 | bool | |
35 | operator==(value_type const& lhs, value_type const& rhs) | |
36 | { return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); } | |
37 | ||
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38 | bool |
39 | operator!=(value_type const& lhs, value_type const& rhs) | |
40 | { return std::tie(lhs.i, lhs.s) != std::tie(rhs.i, rhs.s); } | |
41 | ||
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42 | bool |
43 | operator<(value_type const& lhs, value_type const& rhs) | |
44 | { return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); } | |
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45 | |
46 | bool | |
47 | operator>(value_type const& lhs, value_type const& rhs) | |
48 | { return std::tie(lhs.i, lhs.s) > std::tie(rhs.i, rhs.s); } | |
49 | ||
50 | bool | |
51 | operator<=(value_type const& lhs, value_type const& rhs) | |
52 | { return std::tie(lhs.i, lhs.s) <= std::tie(rhs.i, rhs.s); } | |
53 | ||
54 | bool | |
55 | operator>=(value_type const& lhs, value_type const& rhs) | |
56 | { return std::tie(lhs.i, lhs.s) >= std::tie(rhs.i, rhs.s); } | |
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57 | |
58 | } // namespace ns | |
59 | ||
60 | int main() | |
61 | { | |
62 | using ns::value_type; | |
63 | using O = std::optional<value_type>; | |
64 | ||
65 | value_type const reference { 42, "forty-two" }; | |
66 | ||
67 | { | |
68 | O o; | |
69 | VERIFY( o < reference ); | |
70 | VERIFY( !(reference < o) ); | |
71 | VERIFY( !(o > reference) ); | |
72 | VERIFY( reference > o ); | |
73 | VERIFY( o <= reference ); | |
74 | VERIFY( !(reference <= o) ); | |
75 | VERIFY( !(o >= reference) ); | |
76 | VERIFY( reference >= o ); | |
77 | } | |
78 | ||
79 | { | |
80 | O o { value_type { 11, "eleventy" } }; | |
81 | VERIFY( o < reference ); | |
82 | VERIFY( !(reference < o) ); | |
83 | VERIFY( !(o > reference) ); | |
84 | VERIFY( reference > o ); | |
85 | VERIFY( o <= reference ); | |
86 | VERIFY( !(reference <= o) ); | |
87 | VERIFY( !(o >= reference) ); | |
88 | VERIFY( reference >= o ); | |
89 | } | |
90 | ||
91 | { | |
92 | O o { value_type { 42, "forty-two" } }; | |
93 | VERIFY( !(o < reference) ); | |
94 | VERIFY( !(reference < o) ); | |
95 | VERIFY( !(o > reference) ); | |
96 | VERIFY( !(reference > o) ); | |
97 | VERIFY( o <= reference ); | |
98 | VERIFY( reference <= o ); | |
99 | VERIFY( o >= reference ); | |
100 | VERIFY( reference >= o ); | |
101 | } | |
102 | } |