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52066eae | 1 | // { dg-do run { target c++11 } } |
aaf0ca6f | 2 | |
7adcbafe | 3 | // Copyright (C) 2005-2022 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
aaf0ca6f JW |
9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] | |
21 | ||
22 | #include <memory> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct A { }; | |
26 | ||
27 | // 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs] | |
28 | ||
29 | // conversion to bool | |
8dd5e93a | 30 | void |
aaf0ca6f JW |
31 | test01() |
32 | { | |
aaf0ca6f | 33 | const std::shared_ptr<A> p1; |
d29d4507 | 34 | VERIFY( static_cast<bool>(p1) == false ); |
aaf0ca6f | 35 | const std::shared_ptr<A> p2(p1); |
d29d4507 | 36 | VERIFY( static_cast<bool>(p2) == false ); |
aaf0ca6f JW |
37 | } |
38 | ||
8dd5e93a | 39 | void |
aaf0ca6f JW |
40 | test02() |
41 | { | |
aaf0ca6f | 42 | std::shared_ptr<A> p1(new A); |
d29d4507 | 43 | VERIFY( static_cast<bool>(p1) ); |
aaf0ca6f | 44 | std::shared_ptr<A> p2(p1); |
d29d4507 | 45 | VERIFY( static_cast<bool>(p2) ); |
aaf0ca6f | 46 | p1.reset(); |
d29d4507 BK |
47 | VERIFY( !static_cast<bool>(p1) ); |
48 | VERIFY( static_cast<bool>(p2) ); | |
aaf0ca6f JW |
49 | } |
50 | ||
8dd5e93a | 51 | void |
aaf0ca6f JW |
52 | test03() |
53 | { | |
aaf0ca6f JW |
54 | std::shared_ptr<A> p1(new A); |
55 | std::shared_ptr<A> p2(p1); | |
56 | p2.reset(new A); | |
d29d4507 BK |
57 | VERIFY( static_cast<bool>(p1) ); |
58 | VERIFY( static_cast<bool>(p2) ); | |
aaf0ca6f JW |
59 | } |
60 | ||
61 | ||
62 | int | |
63 | main() | |
64 | { | |
65 | test01(); | |
66 | test02(); | |
67 | test03(); | |
68 | return 0; | |
69 | } |