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52066eae | 1 | // { dg-do run { target c++11 } } |
7cc9022f | 2 | // { dg-require-effective-target hosted } |
aaf0ca6f | 3 | |
a945c346 | 4 | // Copyright (C) 2005-2024 Free Software Foundation, Inc. |
aaf0ca6f JW |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
aaf0ca6f JW |
10 | // any later version. |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
aaf0ca6f JW |
20 | |
21 | // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] | |
22 | ||
23 | #include <memory> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | struct A { }; | |
27 | ||
28 | // 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs] | |
29 | ||
30 | // conversion to bool | |
8dd5e93a | 31 | void |
aaf0ca6f JW |
32 | test01() |
33 | { | |
aaf0ca6f | 34 | const std::shared_ptr<A> p1; |
d29d4507 | 35 | VERIFY( static_cast<bool>(p1) == false ); |
aaf0ca6f | 36 | const std::shared_ptr<A> p2(p1); |
d29d4507 | 37 | VERIFY( static_cast<bool>(p2) == false ); |
aaf0ca6f JW |
38 | } |
39 | ||
8dd5e93a | 40 | void |
aaf0ca6f JW |
41 | test02() |
42 | { | |
aaf0ca6f | 43 | std::shared_ptr<A> p1(new A); |
d29d4507 | 44 | VERIFY( static_cast<bool>(p1) ); |
aaf0ca6f | 45 | std::shared_ptr<A> p2(p1); |
d29d4507 | 46 | VERIFY( static_cast<bool>(p2) ); |
aaf0ca6f | 47 | p1.reset(); |
d29d4507 BK |
48 | VERIFY( !static_cast<bool>(p1) ); |
49 | VERIFY( static_cast<bool>(p2) ); | |
aaf0ca6f JW |
50 | } |
51 | ||
8dd5e93a | 52 | void |
aaf0ca6f JW |
53 | test03() |
54 | { | |
aaf0ca6f JW |
55 | std::shared_ptr<A> p1(new A); |
56 | std::shared_ptr<A> p2(p1); | |
57 | p2.reset(new A); | |
d29d4507 BK |
58 | VERIFY( static_cast<bool>(p1) ); |
59 | VERIFY( static_cast<bool>(p2) ); | |
aaf0ca6f JW |
60 | } |
61 | ||
62 | ||
63 | int | |
64 | main() | |
65 | { | |
66 | test01(); | |
67 | test02(); | |
68 | test03(); | |
69 | return 0; | |
70 | } |