1// { dg-options "-std=gnu++11" }
2
3// Copyright (C) 2005-2015 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// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
21
22#include <memory>
23#include <testsuite_hooks.h>
24
25struct A { };
26
27// 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs]
28
29// unique
30void
31test01()
32{
33  bool test __attribute__((unused)) = true;
34
35  const std::shared_ptr<A> p1;
36  VERIFY( !p1.unique() );
37  const std::shared_ptr<A> p2(p1);
38  VERIFY( !p1.unique() );
39}
40
41void
42test02()
43{
44  bool test __attribute__((unused)) = true;
45
46  std::shared_ptr<A> p1(new A);
47  VERIFY( p1.unique() );
48  std::shared_ptr<A> p2(p1);
49  VERIFY( !p1.unique() );
50  p1.reset();
51  VERIFY( !p1.unique() );
52  VERIFY( p2.unique() );
53}
54
55void
56test03()
57{
58  bool test __attribute__((unused)) = true;
59
60  std::shared_ptr<A> p1(new A);
61  std::shared_ptr<A> p2(p1);
62  p2.reset(new A);
63  VERIFY( p1.unique() );
64  VERIFY( p2.unique() );
65}
66
67
68int
69main()
70{
71  test01();
72  test02();
73  test03();
74  return 0;
75}
76