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1 // Copyright (C) 2005-2014 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 // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
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;
43 void deleter(A
* p
) { delete p
; }
45 struct reset_count_struct
56 // 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const]
61 reset_count_struct
__attribute__((unused
)) reset
;
62 bool test
__attribute__((unused
)) = true;
64 std::tr1::shared_ptr
<A
> a1
;
65 std::tr1::shared_ptr
<A
> a2(a1
);
66 VERIFY( a2
.use_count() == 0 );
67 VERIFY( A::ctor_count
== 0 );
68 VERIFY( A::dtor_count
== 0 );
69 VERIFY( B::ctor_count
== 0 );
70 VERIFY( B::dtor_count
== 0 );
78 reset_count_struct
__attribute__((unused
)) reset
;
79 bool test
__attribute__((unused
)) = true;
81 std::tr1::shared_ptr
<A
> a1(new A
);
82 std::tr1::shared_ptr
<A
> a2(a1
);
83 VERIFY( a2
.use_count() == 2 );
84 VERIFY( A::ctor_count
== 1 );
85 VERIFY( A::dtor_count
== 0 );
86 VERIFY( B::ctor_count
== 0 );
87 VERIFY( B::dtor_count
== 0 );
95 reset_count_struct
__attribute__((unused
)) reset
;
96 bool test
__attribute__((unused
)) = true;
98 std::tr1::shared_ptr
<B
> b(new B
);
99 std::tr1::shared_ptr
<A
> a(b
);
100 VERIFY( a
.use_count() == 2 );
101 VERIFY( A::ctor_count
== 1 );
102 VERIFY( A::dtor_count
== 0 );
103 VERIFY( B::ctor_count
== 1 );
104 VERIFY( B::dtor_count
== 0 );
112 reset_count_struct
__attribute__((unused
)) reset
;
113 bool test
__attribute__((unused
)) = true;
115 std::tr1::shared_ptr
<B
> b(new B
, &deleter
);
116 std::tr1::shared_ptr
<A
> a(b
);
117 VERIFY( a
.use_count() == 2 );
118 VERIFY( A::ctor_count
== 1 );
119 VERIFY( A::dtor_count
== 0 );
120 VERIFY( B::ctor_count
== 1 );
121 VERIFY( B::dtor_count
== 0 );