blob: c504f4e48933c50de81615f998ff7bead8c24101 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
// { dg-do run { target c++14 } }
// Copyright (C) 2015-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 8.2.1 Class template shared_ptr [memory.smartptr.shared]
#include <experimental/memory>
#include <testsuite_hooks.h>
struct A
{
A() { ++ctor_count; }
virtual ~A() { ++dtor_count; }
static long ctor_count;
static long dtor_count;
};
long A::ctor_count = 0;
long A::dtor_count = 0;
struct B : A
{
B() { ++ctor_count; }
virtual ~B() { ++dtor_count; }
static long ctor_count;
static long dtor_count;
};
long B::ctor_count = 0;
long B::dtor_count = 0;
struct reset_count_struct
{
~reset_count_struct()
{
A::ctor_count = 0;
A::dtor_count = 0;
B::ctor_count = 0;
B::dtor_count = 0;
}
};
// C++14 ยง20.8.2.2.3 shared_ptr assignment
void
test01()
{
reset_count_struct __attribute__((unused)) reset;
std::experimental::shared_ptr<A[5]> a;
std::experimental::shared_ptr<A[]> a1;
std::experimental::shared_ptr<B[5]> a2;
a = std::experimental::shared_ptr<A[5]> ();
VERIFY( a.get() == 0 );
VERIFY( A::ctor_count == 0 );
VERIFY( A::dtor_count == 0 );
VERIFY( B::ctor_count == 0 );
VERIFY( B::dtor_count == 0 );
a = std::experimental::shared_ptr<A[5]> (new A[5]);
VERIFY( a.get() != 0 );
VERIFY( A::ctor_count == 5 );
VERIFY( A::dtor_count == 0 );
VERIFY( B::ctor_count == 0 );
VERIFY( B::dtor_count == 0 );
a1 = std::experimental::shared_ptr<A[5]> (new A[5]);
VERIFY( a1.get() != 0 );
VERIFY( A::ctor_count == 10 );
VERIFY( A::dtor_count == 0 );
VERIFY( B::ctor_count == 0 );
VERIFY( B::dtor_count == 0 );
a2 = std::experimental::shared_ptr<B[5]> (new B[5]);
VERIFY( a2.get() != 0 );
VERIFY( A::ctor_count == 15 );
VERIFY( A::dtor_count == 0 );
VERIFY( B::ctor_count == 5 );
VERIFY( B::dtor_count == 0 );
}
void
test02()
{
std::experimental::shared_ptr<A[5]> p(new A[5]);
std::experimental::shared_ptr<A[5]> p1;
std::experimental::shared_ptr<A[]> p2;
p1 = p;
VERIFY( p.get() == p1.get() );
p2 = p1;
VERIFY( p1.get() == p2.get() );
}
int
main()
{
test01();
test02();
return 0;
}
|
