]>
Commit | Line | Data |
---|---|---|
83ffe9cd | 1 | // Copyright (C) 2018-2023 Free Software Foundation, Inc. |
3adea09e JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do run { target c++2a } } | |
20 | ||
21 | #include <map> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void | |
25 | test01() | |
26 | { | |
27 | std::multimap<int, void*> m; | |
28 | VERIFY( ! m.contains( 0 ) ); | |
29 | VERIFY( ! m.contains( 1 ) ); | |
30 | m.emplace(0, nullptr); | |
31 | VERIFY( m.contains( 0 ) ); | |
32 | VERIFY( ! m.contains( 1 ) ); | |
33 | m.emplace(0, nullptr); | |
34 | VERIFY( m.contains( 0 ) ); | |
35 | VERIFY( ! m.contains( 1 ) ); | |
36 | m.emplace(1, nullptr); | |
37 | VERIFY( m.contains( 0 ) ); | |
38 | VERIFY( m.contains( 1 ) ); | |
39 | } | |
40 | ||
41 | struct Zero { }; | |
42 | bool operator<(Zero, int i) { return 0 < i; } | |
43 | bool operator<(int i, Zero) { return i < 0; } | |
44 | ||
45 | struct One { }; | |
46 | bool operator<(One, int i) { return 1 < i; } | |
47 | bool operator<(int i, One) { return i < 1; } | |
48 | ||
49 | void | |
50 | test02() | |
51 | { | |
52 | std::multimap<int, void*, std::less<>> m; | |
53 | VERIFY( ! m.contains( Zero{} ) ); | |
54 | VERIFY( ! m.contains( One{} ) ); | |
55 | m.emplace(0, nullptr); | |
56 | VERIFY( m.contains( Zero{} ) ); | |
57 | VERIFY( ! m.contains( One{} ) ); | |
58 | m.emplace(0, nullptr); | |
59 | VERIFY( m.contains( Zero{} ) ); | |
60 | VERIFY( ! m.contains( One{} ) ); | |
61 | m.emplace(1, nullptr); | |
62 | VERIFY( m.contains( Zero{} ) ); | |
63 | VERIFY( m.contains( One{} ) ); | |
64 | } | |
65 | ||
66 | int | |
67 | main() | |
68 | { | |
69 | test01(); | |
70 | test02(); | |
71 | } |