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83ffe9cd | 1 | // Copyright (C) 2005-2023 Free Software Foundation, Inc. |
7dfded91 JW |
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/>. | |
7dfded91 JW |
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 | // 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs] | |
26 | ||
27 | // unique | |
28 | int | |
29 | test01() | |
30 | { | |
7dfded91 JW |
31 | const std::tr1::shared_ptr<A> p1; |
32 | VERIFY( !p1.unique() ); | |
33 | const std::tr1::shared_ptr<A> p2(p1); | |
34 | VERIFY( !p1.unique() ); | |
35 | ||
36 | return 0; | |
37 | } | |
38 | ||
39 | int | |
40 | test02() | |
41 | { | |
7dfded91 JW |
42 | std::tr1::shared_ptr<A> p1(new A); |
43 | VERIFY( p1.unique() ); | |
44 | std::tr1::shared_ptr<A> p2(p1); | |
45 | VERIFY( !p1.unique() ); | |
46 | p1.reset(); | |
47 | VERIFY( !p1.unique() ); | |
48 | VERIFY( p2.unique() ); | |
49 | ||
50 | return 0; | |
51 | } | |
52 | ||
53 | int | |
54 | test03() | |
55 | { | |
7dfded91 JW |
56 | std::tr1::shared_ptr<A> p1(new A); |
57 | std::tr1::shared_ptr<A> p2(p1); | |
58 | p2.reset(new A); | |
59 | VERIFY( p1.unique() ); | |
60 | VERIFY( p2.unique() ); | |
61 | ||
62 | return 0; | |
63 | } | |
64 | ||
65 | ||
f92ab29f | 66 | int |
7dfded91 JW |
67 | main() |
68 | { | |
69 | test01(); | |
70 | test02(); | |
71 | test03(); | |
72 | return 0; | |
73 | } |