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1 | // { dg-do run { target c++11 } } | |
2 | // { dg-require-effective-target hosted } | |
3 | ||
4 | // Copyright (C) 2008-2022 Free Software Foundation, Inc. | |
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 | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // 20.7.12.2 Template class shared_ptr [util.smartptr.shared] | |
22 | ||
23 | #include <memory> | |
24 | #include <functional> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | struct A { }; | |
28 | ||
29 | struct D { | |
30 | typedef void result_type; | |
31 | void operator()(A* p) { delete p; ++count; } | |
32 | int count; | |
33 | }; | |
34 | ||
35 | ||
36 | // 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const] | |
37 | ||
38 | // Construction from unique_ptr | |
39 | // See: http://gcc.gnu.org/ml/libstdc++/2008-09/msg00070.html. | |
40 | int | |
41 | test01() | |
42 | { | |
43 | D d; | |
44 | std::unique_ptr<A, D&> p1(new A, d); | |
45 | ||
46 | std::shared_ptr<A> p2(std::move(p1)); | |
47 | ||
48 | typedef std::reference_wrapper<D> D2; | |
49 | D2* p3 = std::get_deleter<D2>(p2); | |
50 | ||
51 | #if __cpp_rtti | |
52 | VERIFY( p3 != 0 ); | |
53 | VERIFY( &p3->get() == &d ); | |
54 | #else | |
55 | VERIFY( p3 == 0 ); // Always returns nullptr without RTTI. | |
56 | #endif | |
57 | ||
58 | return 0; | |
59 | } | |
60 | ||
61 | int | |
62 | main() | |
63 | { | |
64 | test01(); | |
65 | return 0; | |
66 | } |