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#include <testsuite_allocator.h>
25
26using __gnu_test::tracker_allocator_counter;
27using __gnu_test::tracker_allocator;
28
29struct A
30{
31  A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; }
32  explicit A(int i) : i(i), d(), c() { ++ctor_count; }
33  A() : i(), d(), c() { ++ctor_count; }
34  ~A() { ++dtor_count; }
35  int i;
36  double d;
37  char c;
38  static int ctor_count;
39  static int dtor_count;
40};
41int A::ctor_count = 0;
42int A::dtor_count = 0;
43
44struct reset_count_struct
45{
46  ~reset_count_struct()
47  {
48    A::ctor_count = 0;
49    A::dtor_count = 0;
50    tracker_allocator_counter::reset();
51  }
52};
53
54// 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]
55
56void
57test01()
58{
59  bool test __attribute__((unused)) = true;
60  reset_count_struct __attribute__((unused)) reset;
61
62  {
63    std::shared_ptr<A> p1 = std::allocate_shared<A>(tracker_allocator<A>());
64    VERIFY( p1.get() != 0 );
65    VERIFY( p1.use_count() == 1 );
66    VERIFY( A::ctor_count == 1 );
67    VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
68  }
69  VERIFY( A::ctor_count == A::dtor_count );
70  VERIFY( tracker_allocator_counter::get_allocation_count()
71	  == tracker_allocator_counter::get_deallocation_count() );
72}
73
74void
75test02()
76{
77  bool test __attribute__((unused)) = true;
78  reset_count_struct __attribute__((unused)) reset;
79
80  std::shared_ptr<A> p1;
81
82  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1);
83  VERIFY( A::ctor_count == 1 );
84  VERIFY( tracker_allocator_counter::get_allocation_count() > 0 );
85
86  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0);
87  VERIFY( A::ctor_count == 2 );
88  VERIFY( A::dtor_count == 1 );
89  VERIFY( tracker_allocator_counter::get_deallocation_count() > 0 );
90
91  p1 = std::allocate_shared<A>(tracker_allocator<A>(), 1, 2.0, '3');
92  VERIFY( A::ctor_count == 3 );
93  VERIFY( A::dtor_count == 2 );
94  VERIFY( p1->i == 1 );
95  VERIFY( p1->d == 2.0 );
96  VERIFY( p1->c == '3' );
97
98  p1 = std::shared_ptr<A>();
99  VERIFY( A::ctor_count == A::dtor_count );
100  VERIFY( tracker_allocator_counter::get_allocation_count()
101	  == tracker_allocator_counter::get_deallocation_count() );
102}
103
104int
105main()
106{
107  test01();
108  test02();
109  return 0;
110}
111