1// Copyright (C) 2000, 2002, 2003, 2004, 2009 Free Software Foundation
2//
3// This file is part of the GNU ISO C++ Library.  This library is free
4// software; you can redistribute it and/or modify it under the
5// terms of the GNU General Public License as published by the
6// Free Software Foundation; either version 3, or (at your option)
7// any later version.
8
9// This library is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License along
15// with this library; see the file COPYING3.  If not see
16// <http://www.gnu.org/licenses/>.
17
18// 20.4.5 Template class auto_ptr [lib.auto.ptr]
19
20#include <memory>
21#include <testsuite_hooks.h>
22
23struct A
24{
25  A() { ++ctor_count; }
26  virtual ~A() { ++dtor_count; }
27  static long ctor_count;
28  static long dtor_count;
29};
30long A::ctor_count = 0;
31long A::dtor_count = 0;
32
33struct B : A
34{
35  B() { ++ctor_count; }
36  virtual ~B() { ++dtor_count; }
37  static long ctor_count;
38  static long dtor_count;
39};
40long B::ctor_count = 0;
41long B::dtor_count = 0;
42
43
44struct reset_count_struct
45{
46  ~reset_count_struct()
47  {
48    A::ctor_count = 0;
49    A::dtor_count = 0;
50    B::ctor_count = 0;
51    B::dtor_count = 0;
52  }
53};
54
55// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv]
56
57// Parameters and return values
58template <typename T>
59static std::auto_ptr<T> source()
60{
61  return std::auto_ptr<T>(new T);
62}
63
64template <typename T>
65static void drain(std::auto_ptr<T>)
66{}
67
68int
69test07()
70{
71  bool test __attribute__((unused)) = true;
72  reset_count_struct __attribute__((unused)) reset;
73
74  drain(source<A>());
75  // The resolution of core issue 84, now a DR, breaks this call.
76  // drain<A>(source<B>());
77  drain(source<B>());
78  VERIFY( A::ctor_count == 2 );
79  VERIFY( A::dtor_count == 2 );
80  VERIFY( B::ctor_count == 1 );
81  VERIFY( B::dtor_count == 1 );
82  return 0;
83}
84
85int
86main()
87{
88  test07();
89  return 0;
90}
91