1// { dg-options "-std=gnu++11" }
2
3// Copyright (C) 2012-2015 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// 20.7.2.2 Class template shared_ptr [util.smartptr.shared]
21
22#include <memory>
23#include <testsuite_hooks.h>
24
25int destroyed = 0;
26
27struct A : std::enable_shared_from_this<A>
28{
29  ~A() { ++destroyed; }
30};
31
32// 20.7.2.2.1 shared_ptr constructors [util.smartptr.shared.const]
33
34// Construction from unique_ptr<A[]>
35int
36test01()
37{
38  bool test __attribute__((unused)) = true;
39
40  std::unique_ptr<A[]> up(new A[2]);
41  std::shared_ptr<A> sp(std::move(up));
42  VERIFY( up.get() == 0 );
43  VERIFY( sp.get() != 0 );
44  VERIFY( sp.use_count() == 1 );
45
46  VERIFY( sp->shared_from_this() != nullptr );
47
48  sp.reset();
49  VERIFY( destroyed == 2 );
50
51  return 0;
52}
53
54int
55main()
56{
57  test01();
58  return 0;
59}
60