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a62b871d | 1 | // { dg-options "-std=gnu++2a" } |
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2 | // { dg-do run { target c++2a } } |
3 | ||
a5544970 | 4 | // Copyright (C) 2018-2019 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 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <unordered_set> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | void | |
25 | test01() | |
26 | { | |
27 | auto is_odd = [](const int i) { return i % 2 != 0; }; | |
28 | ||
29 | std::unordered_set<int> us{ 10, 11, 12, 14, 15, 17, 18, 19 }; | |
0b44b4b8 | 30 | auto num = std::erase_if(us, is_odd); |
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31 | std::unordered_set<int> t{ 10, 12, 14, 18 }; |
32 | VERIFY( us == t ); | |
0b44b4b8 | 33 | VERIFY( num == 4 ); |
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34 | } |
35 | ||
36 | void | |
37 | test02() | |
38 | { | |
39 | auto is_odd = [](const int i) { return i % 2 != 0; }; | |
40 | ||
41 | std::unordered_multiset<int> ums{ 20, 21, 22, 22, 23, 23, 24, 25 }; | |
0b44b4b8 | 42 | auto num = std::erase_if(ums, is_odd); |
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43 | std::unordered_multiset<int> t{ 20, 22, 22, 24 }; |
44 | VERIFY( ums == t ); | |
0b44b4b8 | 45 | VERIFY( num == 4 ); |
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46 | } |
47 | ||
48 | int | |
49 | main() | |
50 | { | |
51 | test01(); | |
52 | test02(); | |
53 | ||
54 | return 0; | |
55 | } |