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8868286e | 1 | // { dg-options "-std=gnu++11" } |
92db39d4 | 2 | |
f1717362 | 3 | // Copyright (C) 2005-2016 Free Software Foundation, Inc. |
92db39d4 | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
92db39d4 | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
92db39d4 | 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 | struct B : A { }; | |
27 | struct D | |
28 | { | |
29 | void operator()(B* p) { delete p; ++delete_count; } | |
30 | static long delete_count; | |
31 | }; | |
32 | long D::delete_count = 0; | |
33 | ||
34 | // 20.6.6.2.4 shared_ptr modifiers [util.smartptr.shared.mod] | |
35 | ||
36 | // reset | |
37 | int | |
38 | test01() | |
39 | { | |
40 | bool test __attribute__((unused)) = true; | |
41 | ||
42 | A * const a = new A; | |
43 | std::shared_ptr<A> p1(a); | |
44 | std::shared_ptr<A> p2(p1); | |
45 | p1.reset(); | |
46 | VERIFY( p1.get() == 0 ); | |
47 | VERIFY( p2.get() == a ); | |
48 | ||
49 | return 0; | |
50 | } | |
51 | ||
52 | int | |
53 | test02() | |
54 | { | |
55 | bool test __attribute__((unused)) = true; | |
56 | ||
57 | A * const a = new A; | |
58 | B * const b = new B; | |
59 | std::shared_ptr<A> p1(a); | |
60 | std::shared_ptr<A> p2(p1); | |
61 | p1.reset(b); | |
62 | VERIFY( p1.get() == b ); | |
63 | VERIFY( p2.get() == a ); | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | int | |
69 | test03() | |
70 | { | |
71 | bool test __attribute__((unused)) = true; | |
72 | ||
73 | { | |
74 | std::shared_ptr<A> p1; | |
75 | p1.reset(new B, D()); | |
76 | } | |
77 | VERIFY( D::delete_count == 1 ); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | int | |
83 | main() | |
84 | { | |
85 | test01(); | |
86 | test02(); | |
87 | test03(); | |
88 | return 0; | |
89 | } |