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83ffe9cd | 1 | // Copyright (C) 2005-2023 Free Software Foundation, Inc. |
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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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | #include <algorithm> | |
19 | #include <vector> | |
20 | #include <testsuite_hooks.h> | |
21 | ||
22 | void | |
23 | test1() | |
24 | { | |
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25 | std::vector<bool> v; |
26 | v.push_back(true); | |
27 | v.push_back(false); | |
28 | std::iter_swap(v.begin(), v.begin() + 1); | |
29 | VERIFY( v[0] == false && v[1] == true ); | |
30 | } | |
31 | ||
32 | void | |
33 | test2() | |
34 | { | |
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35 | std::vector<int> v; |
36 | v.push_back(1); | |
37 | v.push_back(2); | |
38 | std::iter_swap(v.begin(), v.begin() + 1); | |
39 | VERIFY( v[0] == 2 && v[1] == 1 ); | |
40 | } | |
41 | ||
42 | int int_swap_count; | |
43 | ||
44 | struct X {}; | |
8b5bc374 | 45 | void swap(X&, X&) |
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46 | { ++int_swap_count; } |
47 | ||
48 | void | |
49 | test3() | |
50 | { | |
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51 | int_swap_count = 0; |
52 | X i, j; | |
53 | std::iter_swap(&i, &j); | |
54 | VERIFY( int_swap_count == 1 ); | |
55 | } | |
56 | ||
57 | // libstdc++/20577 | |
58 | int main() | |
59 | { | |
60 | test1(); | |
61 | test2(); | |
62 | test3(); | |
63 | return 0; | |
64 | } |