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52066eae | 1 | // { dg-do run { target c++11 } } |
7cc9022f | 2 | // { dg-require-effective-target hosted } |
aaf0ca6f | 3 | |
7adcbafe | 4 | // Copyright (C) 2005-2022 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 | // 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] | |
29 | ||
30 | // Construction from weak_ptr | |
31 | int | |
32 | test01() | |
33 | { | |
aaf0ca6f JW |
34 | A * const a = new A; |
35 | std::shared_ptr<A> a1(a); | |
36 | std::weak_ptr<A> wa(a1); | |
37 | std::shared_ptr<A> a2(wa); | |
38 | VERIFY( a2.get() == a ); | |
39 | VERIFY( a2.use_count() == wa.use_count() ); | |
40 | ||
41 | return 0; | |
42 | } | |
43 | ||
44 | ||
45 | int | |
46 | main() | |
47 | { | |
48 | test01(); | |
49 | return 0; | |
50 | } |