Refactor ix86_expand_vecop_qihi2.
[gcc.git] / libstdc++-v3 / testsuite / 23_containers / set / modifiers / node_swap.cc
blobda89df07fdce53dd6679a6e1673d63d80d5a1a7c
1 // Copyright (C) 2018-2025 Free Software Foundation, Inc.
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.
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.
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/>.
18 // { dg-do run { target c++17 } }
20 #include <set>
21 #include <testsuite_hooks.h>
23 void
24 test01()
26 // PR libstdc++/82966
27 std::set<int>::node_type n1, n2;
28 n1.swap(n2);
29 VERIFY( n1.empty() );
30 VERIFY( n2.empty() );
33 void
34 test02()
36 std::set<int> s{1, 2};
37 std::set<int>::node_type n1 = s.extract(1), n2;
38 swap(n1, n2);
39 VERIFY( n1.empty() );
40 VERIFY( !n2.empty() );
43 int main()
45 test01();
46 test02();