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435e56fb | 1 | // { dg-options "-std=gnu++17" } |
47df7e19 | 2 | // { dg-do run { target c++17 } } |
435e56fb | 3 | |
a5544970 | 4 | // Copyright (C) 2013-2019 Free Software Foundation, Inc. |
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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); } | |
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46 | |
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); } | |
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58 | |
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 | VERIFY( o <= reference ); | |
75 | VERIFY( !(reference <= o) ); | |
76 | VERIFY( !(o >= reference) ); | |
77 | VERIFY( reference >= o ); | |
78 | } | |
79 | ||
80 | { | |
81 | O o { value_type { 11, "eleventy" } }; | |
82 | VERIFY( o < reference ); | |
83 | VERIFY( !(reference < o) ); | |
84 | VERIFY( !(o > reference) ); | |
85 | VERIFY( reference > o ); | |
86 | VERIFY( o <= reference ); | |
87 | VERIFY( !(reference <= o) ); | |
88 | VERIFY( !(o >= reference) ); | |
89 | VERIFY( reference >= o ); | |
90 | } | |
91 | ||
92 | { | |
93 | O o { value_type { 42, "forty-two" } }; | |
94 | VERIFY( !(o < reference) ); | |
95 | VERIFY( !(reference < o) ); | |
96 | VERIFY( !(o > reference) ); | |
97 | VERIFY( !(reference > o) ); | |
98 | VERIFY( o <= reference ); | |
99 | VERIFY( reference <= o ); | |
100 | VERIFY( o >= reference ); | |
101 | VERIFY( reference >= o ); | |
102 | } | |
103 | } |