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52066eae | 1 | // { dg-do run { target c++11 } } |
aaf0ca6f | 2 | |
8d9254fc | 3 | // Copyright (C) 2008-2020 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) |
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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 | 19 | |
640cbe76 | 20 | // 20.7.12.2 Template class shared_ptr [util.smartptr.shared] |
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21 | |
22 | #include <memory> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct A { }; | |
aaf0ca6f | 26 | |
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27 | struct D { |
28 | typedef void result_type; | |
29 | void operator()(A* p) { delete p; ++count; } | |
30 | int count; | |
31 | }; | |
aaf0ca6f | 32 | |
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33 | |
34 | // 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const] | |
35 | ||
36 | // Construction from unique_ptr | |
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37 | int |
38 | test01() | |
39 | { | |
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40 | D d = D(); |
41 | std::unique_ptr<A, D&> up(new A, d); | |
42 | { | |
43 | std::shared_ptr<A> sp(std::move(up)); | |
44 | VERIFY( up.get() == 0 ); | |
45 | VERIFY( sp.get() != 0 ); | |
46 | VERIFY( sp.use_count() == 1 ); | |
47 | } | |
48 | VERIFY( d.count == 1 ); | |
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49 | |
50 | return 0; | |
51 | } | |
52 | ||
640cbe76 | 53 | int |
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54 | main() |
55 | { | |
56 | test01(); | |
57 | return 0; | |
58 | } |