| // { dg-options "-std=gnu++11" } |
| |
| // Copyright (C) 2012-2013 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/>. |
| |
| // 20.7.2.2 Class template shared_ptr [util.smartptr.shared] |
| |
| #include <memory> |
| #include <testsuite_hooks.h> |
| |
| int destroyed = 0; |
| |
| struct A : std::enable_shared_from_this<A> |
| { |
| ~A() { ++destroyed; } |
| }; |
| |
| // 20.7.2.2.1 shared_ptr constructors [util.smartptr.shared.const] |
| |
| // Construction from unique_ptr<A[]> |
| int |
| test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| std::unique_ptr<A[]> up(new A[2]); |
| std::shared_ptr<A> sp(std::move(up)); |
| VERIFY( up.get() == 0 ); |
| VERIFY( sp.get() != 0 ); |
| VERIFY( sp.use_count() == 1 ); |
| |
| VERIFY( sp->shared_from_this() != nullptr ); |
| |
| sp.reset(); |
| VERIFY( destroyed == 2 ); |
| |
| return 0; |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |