| // Copyright (C) 2018-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do run { target c++17 } } |
| |
| #include <set> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| // PR libstdc++/82966 |
| std::set<int>::node_type n1, n2; |
| n1.swap(n2); |
| VERIFY( n1.empty() ); |
| VERIFY( n2.empty() ); |
| } |
| |
| void |
| test02() |
| { |
| std::set<int> s{1, 2}; |
| std::set<int>::node_type n1 = s.extract(1), n2; |
| swap(n1, n2); |
| VERIFY( n1.empty() ); |
| VERIFY( !n2.empty() ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| } |