1 // Copyright (C) 2000, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
17 // USA.
18
19 // 20.4.5 Template class auto_ptr [lib.auto.ptr]
20
21 #include <memory>
22 #include <testsuite_hooks.h>
23
24 struct A
25 {
AA26 A() { ++ctor_count; }
~AA27 virtual ~A() { ++dtor_count; }
28 static long ctor_count;
29 static long dtor_count;
30 };
31 long A::ctor_count = 0;
32 long A::dtor_count = 0;
33
34 struct B : A
35 {
BB36 B() { ++ctor_count; }
~BB37 virtual ~B() { ++dtor_count; }
38 static long ctor_count;
39 static long dtor_count;
40 };
41 long B::ctor_count = 0;
42 long B::dtor_count = 0;
43
44
45 struct reset_count_struct
46 {
~reset_count_structreset_count_struct47 ~reset_count_struct()
48 {
49 A::ctor_count = 0;
50 A::dtor_count = 0;
51 B::ctor_count = 0;
52 B::dtor_count = 0;
53 }
54 };
55
56 // 20.4.5.2 auto_ptr members [lib.auto.ptr.members]
57
58 // Member access
59 int
test06()60 test06()
61 {
62 reset_count_struct __attribute__((unused)) reset;
63 bool test __attribute__((unused)) = true;
64
65 std::auto_ptr<A> A_from_A(new A);
66 std::auto_ptr<A> A_from_A_ptr(A_from_A.release());
67 VERIFY( A_from_A.get() == 0 );
68 VERIFY( A_from_A_ptr.get() != 0 );
69 VERIFY( A_from_A_ptr->ctor_count == 1 );
70 VERIFY( (*A_from_A_ptr).dtor_count == 0 );
71
72 A* A_ptr = A_from_A_ptr.get();
73
74 A_from_A_ptr.reset(A_ptr);
75 VERIFY( A_from_A_ptr.get() == A_ptr );
76 VERIFY( A_from_A_ptr->ctor_count == 1 );
77 VERIFY( (*A_from_A_ptr).dtor_count == 0 );
78
79 A_from_A_ptr.reset(new A);
80 VERIFY( A_from_A_ptr.get() != A_ptr );
81 VERIFY( A_from_A_ptr->ctor_count == 2 );
82 VERIFY( (*A_from_A_ptr).dtor_count == 1 );
83 return 0;
84 }
85
86 int
main()87 main()
88 {
89 test06();
90 return 0;
91 }
92