1// { dg-options "-std=gnu++0x" }
2
3// Copyright (C) 2007, 2008, 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
26{
27  A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }
28  explicit A(int i) : i(i), d(), c() { ++ctor_count; }
29  A() : i(), d(), c() { ++ctor_count; }
30  ~A() { ++dtor_count; }
31  int i;
32  double d;
33  char c;
34  static int ctor_count;
35  static int dtor_count;
36};
37int A::ctor_count = 0;
38int A::dtor_count = 0;
39
40struct reset_count_struct
41{
42  ~reset_count_struct()
43  {
44    A::ctor_count = 0;
45    A::dtor_count = 0;
46  }
47};
48
49// 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]
50
51void
52test01()
53{
54  bool test __attribute__((unused)) = true;
55  reset_count_struct __attribute__((unused)) reset;
56
57  {
58    std::shared_ptr<A> p1 = std::make_shared<A>();
59    VERIFY( p1.get() != 0 );
60    VERIFY( p1.use_count() == 1 );
61    VERIFY( A::ctor_count == 1 );
62  }
63  VERIFY( A::ctor_count == A::dtor_count );
64}
65
66void
67test02()
68{
69  bool test __attribute__((unused)) = true;
70  reset_count_struct __attribute__((unused)) reset;
71
72  std::shared_ptr<A> p1;
73
74  p1 = std::make_shared<A>(1);
75  VERIFY( A::ctor_count == 1 );
76
77  p1 = std::make_shared<A>(1, 2.0);
78  VERIFY( A::ctor_count == 2 );
79  VERIFY( A::dtor_count == 1 );
80
81  p1 = std::make_shared<A>(1, 2.0, '3');
82  VERIFY( A::ctor_count == 3 );
83  VERIFY( A::dtor_count == 2 );
84  VERIFY( p1->i == 1 );
85  VERIFY( p1->d == 2.0 );
86  VERIFY( p1->c == '3' );
87
88  p1 = std::shared_ptr<A>();
89  VERIFY( A::ctor_count == A::dtor_count );
90}
91
92int
93main()
94{
95  test01();
96  test02();
97}
98