1 // Copyright (C) 2000-2022 Free Software Foundation, Inc.
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)
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.
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/>.
18 // 20.4.5 Template class auto_ptr [lib.auto.ptr]
20 // { dg-options "-std=c++98" }
23 #include <testsuite_hooks.h>
28 virtual ~A() { ++dtor_count
; }
29 static long ctor_count
;
30 static long dtor_count
;
32 long A::ctor_count
= 0;
33 long A::dtor_count
= 0;
38 virtual ~B() { ++dtor_count
; }
39 static long ctor_count
;
40 static long dtor_count
;
42 long B::ctor_count
= 0;
43 long B::dtor_count
= 0;
46 struct reset_count_struct
57 // 20.4.5.2 auto_ptr members [lib.auto.ptr.members]
63 reset_count_struct
__attribute__((unused
)) reset
;
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 );
72 A
* A_ptr
= A_from_A_ptr
.get();
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 );
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 );