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6458742a | 1 | // { dg-do run { target c++17 } } |
52e86221 | 2 | |
7adcbafe | 3 | // Copyright (C) 2014-2022 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 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <any> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | using std::any; | |
24 | ||
25 | void test01() | |
26 | { | |
27 | any x(1); | |
28 | any y; | |
29 | x.swap(y); | |
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30 | VERIFY( !x.has_value() ); |
31 | VERIFY( y.has_value() ); | |
52e86221 | 32 | x.swap(y); |
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33 | VERIFY( x.has_value() ); |
34 | VERIFY( !y.has_value() ); | |
52e86221 | 35 | |
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36 | x.reset(); |
37 | VERIFY( !x.has_value() ); | |
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38 | } |
39 | ||
40 | int main() | |
41 | { | |
42 | test01(); | |
43 | } |