1// 2006-09-24  Paolo Carlini  <pcarlini@suse.de>
2
3// Copyright (C) 2006-2015 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// TR1 2.2.4 Template class weak_ptr [tr.util.smartptr.weak]
21
22#include <tr1/memory>
23#include <testsuite_tr1.h>
24
25// { dg-do compile }
26
27int main()
28{
29  using __gnu_test::check_ret_type;
30  using std::tr1::weak_ptr;
31  using std::tr1::shared_ptr;
32
33  weak_ptr<int> wp;
34  check_ret_type<shared_ptr<int> >(wp.lock());
35}
36