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4415f7a5 | 1 | // { dg-options "-std=gnu++11" } |
aaf0ca6f | 2 | |
818ab71a | 3 | // Copyright (C) 2005-2016 Free Software Foundation, Inc. |
aaf0ca6f JW |
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/>. | |
aaf0ca6f JW |
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 | // 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] | |
28 | ||
29 | // Construction from weak_ptr | |
30 | int | |
31 | test01() | |
32 | { | |
33 | bool test __attribute__((unused)) = true; | |
34 | ||
35 | A * const a = new A; | |
36 | std::shared_ptr<A> a1(a); | |
37 | std::weak_ptr<A> wa(a1); | |
38 | std::shared_ptr<A> a2(wa); | |
39 | VERIFY( a2.get() == a ); | |
40 | VERIFY( a2.use_count() == wa.use_count() ); | |
41 | ||
42 | return 0; | |
43 | } | |
44 | ||
45 | ||
46 | int | |
47 | main() | |
48 | { | |
49 | test01(); | |
50 | return 0; | |
51 | } |