1// { dg-options "-std=gnu++0x" }
2
3// Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation
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 { };
26struct B : A { };
27
28
29// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const]
30
31// Construction from pointer
32
33int
34test01()
35{
36  bool test __attribute__((unused)) = true;
37
38  A * const a = 0;
39  std::shared_ptr<A> p(a);
40  VERIFY( p.get() == 0 );
41  VERIFY( p.use_count() == 1 );
42
43  return 0;
44}
45
46int
47test02()
48{
49  bool test __attribute__((unused)) = true;
50
51  A * const a = new A;
52  std::shared_ptr<A> p(a);
53  VERIFY( p.get() == a );
54  VERIFY( p.use_count() == 1 );
55
56  return 0;
57}
58
59
60int
61test03()
62{
63  bool test __attribute__((unused)) = true;
64
65  B * const b = new B;
66  std::shared_ptr<A> p(b);
67  VERIFY( p.get() == b );
68  VERIFY( p.use_count() == 1 );
69
70  return 0;
71}
72
73int
74main()
75{
76  test01();
77  test02();
78  test02();
79  return 0;
80}
81