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99dee823 | 1 | // Copyright (C) 2005-2021 Free Software Foundation, Inc. |
7dfded91 JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
7dfded91 JW |
7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
7dfded91 JW |
17 | |
18 | // TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared] | |
19 | ||
20 | #include <tr1/memory> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | struct A { }; | |
24 | struct B : A { }; | |
25 | struct D | |
26 | { | |
27 | void operator()(B* p) { delete p; ++delete_count; } | |
28 | static long delete_count; | |
29 | }; | |
30 | long D::delete_count = 0; | |
31 | ||
32 | // 2.2.3.4 shared_ptr modifiers [tr.util.smartptr.shared.mod] | |
33 | ||
34 | // reset | |
35 | int | |
36 | test01() | |
37 | { | |
7dfded91 JW |
38 | A * const a = new A; |
39 | std::tr1::shared_ptr<A> p1(a); | |
40 | std::tr1::shared_ptr<A> p2(p1); | |
41 | p1.reset(); | |
42 | VERIFY( p1.get() == 0 ); | |
43 | VERIFY( p2.get() == a ); | |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
48 | int | |
49 | test02() | |
50 | { | |
7dfded91 JW |
51 | A * const a = new A; |
52 | B * const b = new B; | |
53 | std::tr1::shared_ptr<A> p1(a); | |
54 | std::tr1::shared_ptr<A> p2(p1); | |
55 | p1.reset(b); | |
56 | VERIFY( p1.get() == b ); | |
57 | VERIFY( p2.get() == a ); | |
58 | ||
59 | return 0; | |
60 | } | |
61 | ||
62 | int | |
63 | test03() | |
64 | { | |
7dfded91 JW |
65 | { |
66 | std::tr1::shared_ptr<A> p1; | |
67 | p1.reset(new B, D()); | |
68 | } | |
69 | VERIFY( D::delete_count == 1 ); | |
70 | ||
71 | return 0; | |
f92ab29f | 72 | } |
7dfded91 JW |
73 | |
74 | int | |
75 | main() | |
76 | { | |
77 | test01(); | |
78 | test02(); | |
79 | test03(); | |
80 | return 0; | |
81 | } |