1 // Copyright (C) 2000-2016 Free Software Foundation, Inc.
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 // { dg-options "-std=c++98" }
21 
22 #include <memory>
23 #include <testsuite_hooks.h>
24 
25 struct A
26 {
AA27   A() { ++ctor_count; }
~AA28   virtual ~A() { ++dtor_count; }
29   static long ctor_count;
30   static long dtor_count;
31 };
32 long A::ctor_count = 0;
33 long A::dtor_count = 0;
34 
35 struct B : A
36 {
BB37   B() { ++ctor_count; }
~BB38   virtual ~B() { ++dtor_count; }
39   static long ctor_count;
40   static long dtor_count;
41 };
42 long B::ctor_count = 0;
43 long B::dtor_count = 0;
44 
45 
46 struct reset_count_struct
47 {
~reset_count_structreset_count_struct48   ~reset_count_struct()
49   {
50     A::ctor_count = 0;
51     A::dtor_count = 0;
52     B::ctor_count = 0;
53     B::dtor_count = 0;
54   }
55 };
56 
57 // 20.4.5.2 auto_ptr members [lib.auto.ptr.members]
58 
59 // Member access
60 int
test06()61 test06()
62 {
63   reset_count_struct __attribute__((unused)) reset;
64   bool test __attribute__((unused)) = true;
65 
66   std::auto_ptr<A> A_from_A(new A);
67   std::auto_ptr<A> A_from_A_ptr(A_from_A.release());
68   VERIFY( A_from_A.get() == 0 );
69   VERIFY( A_from_A_ptr.get() != 0 );
70   VERIFY( A_from_A_ptr->ctor_count == 1 );
71   VERIFY( (*A_from_A_ptr).dtor_count == 0 );
72 
73   A* A_ptr = A_from_A_ptr.get();
74 
75   A_from_A_ptr.reset(A_ptr);
76   VERIFY( A_from_A_ptr.get() == A_ptr );
77   VERIFY( A_from_A_ptr->ctor_count == 1 );
78   VERIFY( (*A_from_A_ptr).dtor_count == 0 );
79 
80   A_from_A_ptr.reset(new A);
81   VERIFY( A_from_A_ptr.get() != A_ptr );
82   VERIFY( A_from_A_ptr->ctor_count == 2 );
83   VERIFY( (*A_from_A_ptr).dtor_count == 1 );
84   return 0;
85 }
86 
87 int
main()88 main()
89 {
90   test06();
91   return 0;
92 }
93