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a5544970 | 1 | // Copyright (C) 2005-2019 Free Software Foundation, Inc. |
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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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
7dfded91 JW |
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 | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared] | |
19 | ||
20 | #include <tr1/memory> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | struct A | |
24 | { | |
25 | A() { ++ctor_count; } | |
26 | virtual ~A() { ++dtor_count; } | |
27 | static long ctor_count; | |
28 | static long dtor_count; | |
29 | }; | |
30 | long A::ctor_count = 0; | |
31 | long A::dtor_count = 0; | |
32 | ||
33 | struct reset_count_struct | |
34 | { | |
35 | ~reset_count_struct() | |
36 | { | |
37 | A::ctor_count = 0; | |
38 | A::dtor_count = 0; | |
39 | } | |
40 | }; | |
41 | ||
42 | ||
43 | // 2.2.3.3 shared_ptr assignment [tr.util.smartptr.shared.assign] | |
44 | ||
45 | // Assignment from shared_ptr<Y> | |
8b5bc374 | 46 | void |
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47 | test01() |
48 | { | |
49 | reset_count_struct __attribute__((unused)) reset; | |
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50 | |
51 | std::tr1::shared_ptr<A> a; | |
52 | ||
53 | a = std::tr1::shared_ptr<A>(new A); | |
54 | VERIFY( a.get() != 0 ); | |
55 | VERIFY( A::ctor_count == 1 ); | |
56 | VERIFY( A::dtor_count == 0 ); | |
57 | ||
58 | a = std::tr1::shared_ptr<A>(); | |
59 | VERIFY( a.get() == 0 ); | |
60 | VERIFY( A::ctor_count == 1 ); | |
61 | VERIFY( A::dtor_count == 1 ); | |
62 | } | |
63 | ||
f92ab29f | 64 | int |
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65 | main() |
66 | { | |
67 | test01(); | |
68 | return 0; | |
69 | } |