| // Copyright (C) 2014 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-options "-std=gnu++11" } |
| // { dg-do compile } |
| |
| #include <queue> |
| |
| template<typename A> |
| using uses_allocator = std::uses_allocator<std::queue<int>, A>; |
| |
| static_assert( uses_allocator<std::allocator<int>>::value, "valid allocator" ); |
| |
| struct X { }; |
| static_assert( !uses_allocator<X>::value, "invalid allocator" ); |
