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52066eae | 1 | // { dg-do run { target c++11 } } |
45ba8f9f | 2 | |
99dee823 | 3 | // Copyright (C) 2011-2021 Free Software Foundation, Inc. |
45ba8f9f 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 | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <memory> | |
21 | #include <new> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | struct X | |
25 | { | |
26 | static int counter; | |
27 | ~X() { ++counter; } | |
28 | }; | |
29 | ||
30 | int X::counter = 0; | |
31 | ||
32 | template<typename T> | |
33 | struct allocator_with_destroy | |
34 | { | |
35 | typedef T value_type; | |
36 | ||
37 | allocator_with_destroy() : called() { } | |
38 | ||
39 | void destroy(T* p) { called = true; } | |
40 | ||
41 | int called; | |
42 | }; | |
43 | ||
44 | template<typename T> | |
45 | struct allocator_without_destroy | |
46 | { | |
47 | typedef T value_type; | |
48 | ||
49 | allocator_without_destroy() : called() { } | |
50 | ||
51 | int called; | |
52 | }; | |
53 | ||
54 | void test01() | |
55 | { | |
45ba8f9f JW |
56 | typedef std::allocator_traits<allocator_with_destroy<X>> traits_type; |
57 | traits_type::allocator_type a; | |
58 | X* p = 0; | |
59 | traits_type::destroy(a, p); | |
60 | VERIFY( a.called ); | |
61 | VERIFY( X::counter == 0 ); | |
62 | } | |
63 | ||
64 | void test02() | |
65 | { | |
45ba8f9f JW |
66 | typedef std::allocator_traits<allocator_without_destroy<X>> traits_type; |
67 | traits_type::allocator_type a; | |
68 | char buf[sizeof(X)]; | |
69 | X* p = ::new (static_cast<void*>(buf)) X(); | |
70 | traits_type::destroy(a, p); | |
71 | VERIFY( !a.called ); | |
72 | VERIFY( X::counter == 1 ); | |
73 | } | |
74 | ||
75 | int main() | |
76 | { | |
77 | test01(); | |
78 | test02(); | |
79 | } |