summaryrefslogtreecommitdiff
path: root/libstdc++-v3/testsuite/20_util/shared_ptr/creation/dr925.cc
blob: db176650e0b24e5a1342c9e54602666fecc0d8e1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
// { dg-options "-std=gnu++0x -Wno-deprecated" }

// Copyright (C) 2010 Free Software Foundation
//
// 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/>.

// 20.9.11.2 Template class shared_ptr [util.smartptr.shared]

#include <memory>
#include <testsuite_hooks.h>

struct A
{
};

std::unique_ptr<A> 
create_unique_ptr()
{
  return std::unique_ptr<A>(new A());
}

std::auto_ptr<A> 
create_auto_ptr()
{
  return std::auto_ptr<A>(new A());
}

void 
process(std::shared_ptr<A> a)
{
  bool test __attribute__((unused)) = true;

  VERIFY( a.get() != 0 );
  VERIFY( a.use_count() == 1 );
}

// 20.9.11.2.1 shared_ptr creation [util.smartptr.shared.const]

// Implicit conversion of auto_ptr to shared_ptr is allowed

void
test01()
{
  process(create_auto_ptr());
}

void
test02()
{
  std::auto_ptr<A> a = create_auto_ptr();
  process(std::move(a));
}

// Implicit conversion of unique_ptr to shared_ptr is allowed

void
test03()
{
  process(create_unique_ptr());
}

void
test04()
{
  std::unique_ptr<A> a = create_unique_ptr();
  process(std::move(a));
}

int
main()
{
  test01();
  test02();
  test03();
  test04();
  return 0;
}