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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/auto_ptr/6.cc
1 // Copyright (C) 2000-2015 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]
21 #include <testsuite_hooks.h>
26 virtual ~A() { ++dtor_count
; }
27 static long ctor_count
;
28 static long dtor_count
;
30 long A::ctor_count
= 0;
31 long A::dtor_count
= 0;
36 virtual ~B() { ++dtor_count
; }
37 static long ctor_count
;
38 static long dtor_count
;
40 long B::ctor_count
= 0;
41 long B::dtor_count
= 0;
44 struct reset_count_struct
55 // 20.4.5.2 auto_ptr members [lib.auto.ptr.members]
61 reset_count_struct
__attribute__((unused
)) reset
;
62 bool test
__attribute__((unused
)) = true;
64 std::auto_ptr
<A
> A_from_A(new A
);
65 std::auto_ptr
<A
> A_from_A_ptr(A_from_A
.release());
66 VERIFY( A_from_A
.get() == 0 );
67 VERIFY( A_from_A_ptr
.get() != 0 );
68 VERIFY( A_from_A_ptr
->ctor_count
== 1 );
69 VERIFY( (*A_from_A_ptr
).dtor_count
== 0 );
71 A
* A_ptr
= A_from_A_ptr
.get();
73 A_from_A_ptr
.reset(A_ptr
);
74 VERIFY( A_from_A_ptr
.get() == A_ptr
);
75 VERIFY( A_from_A_ptr
->ctor_count
== 1 );
76 VERIFY( (*A_from_A_ptr
).dtor_count
== 0 );
78 A_from_A_ptr
.reset(new A
);
79 VERIFY( A_from_A_ptr
.get() != A_ptr
);
80 VERIFY( A_from_A_ptr
->ctor_count
== 2 );
81 VERIFY( (*A_from_A_ptr
).dtor_count
== 1 );