| // Copyright (C) 2016-2021 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/>. |
| // |
| |
| #include <set> |
| #include <debug/vector> |
| |
| #include <testsuite_hooks.h> |
| |
| class container : public __gnu_debug::_Safe_sequence<container> |
| { |
| public: |
| __gnu_cxx::__mutex& |
| get_mutex() |
| { return this->_M_get_mutex(); } |
| }; |
| |
| int |
| main() |
| { |
| std::set<__gnu_cxx::__mutex*> mutexes; |
| container conts[17]; |
| |
| for (int i = 0; i != 16; ++i) |
| VERIFY( mutexes.insert(&conts[i].get_mutex()).second ); |
| |
| VERIFY( !mutexes.insert(&conts[16].get_mutex()).second ); |
| } |
