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7adcbafe | 1 | // Copyright (C) 2005-2022 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/>. | |
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 | struct B : A { }; | |
25 | ||
26 | ||
27 | // 2.2.3.1 shared_ptr constructors [tr.util.smartptr.shared.const] | |
28 | ||
29 | // Construction from pointer | |
30 | ||
31 | int | |
32 | test01() | |
33 | { | |
7dfded91 JW |
34 | A * const a = 0; |
35 | std::tr1::shared_ptr<A> p(a); | |
36 | VERIFY( p.get() == 0 ); | |
37 | VERIFY( p.use_count() == 1 ); | |
38 | ||
39 | return 0; | |
40 | } | |
41 | ||
42 | int | |
43 | test02() | |
44 | { | |
7dfded91 JW |
45 | A * const a = new A; |
46 | std::tr1::shared_ptr<A> p(a); | |
47 | VERIFY( p.get() == a ); | |
48 | VERIFY( p.use_count() == 1 ); | |
49 | ||
50 | return 0; | |
51 | } | |
52 | ||
53 | ||
54 | int | |
55 | test03() | |
56 | { | |
7dfded91 JW |
57 | B * const b = new B; |
58 | std::tr1::shared_ptr<A> p(b); | |
59 | VERIFY( p.get() == b ); | |
60 | VERIFY( p.use_count() == 1 ); | |
61 | ||
62 | return 0; | |
63 | } | |
64 | ||
65 | int | |
66 | main() | |
67 | { | |
68 | test01(); | |
69 | test02(); | |
c440459b | 70 | test03(); |
7dfded91 JW |
71 | return 0; |
72 | } |