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52066eae | 1 | // { dg-do run { target c++11 } } |
20067423 | 2 | |
818ab71a | 3 | // Copyright (C) 2014-2016 Free Software Foundation, Inc. |
20067423 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 <testsuite_allocator.h> | |
22 | ||
23 | // User-defined pointer type with non-trivial destructor. | |
24 | template<typename T> | |
25 | struct Pointer : __gnu_test::PointerBase<Pointer<T>, T> | |
26 | { | |
27 | using __gnu_test::PointerBase<Pointer<T>, T>::PointerBase; | |
28 | ||
29 | ~Pointer() { /* non-trivial */ } | |
30 | }; | |
31 | ||
32 | // Minimal allocator with user-defined pointer type. | |
33 | template<typename T> | |
34 | struct Alloc | |
35 | { | |
36 | typedef T value_type; | |
37 | typedef Pointer<T> pointer; | |
38 | ||
39 | Alloc() = default; | |
40 | ||
41 | template<typename U> | |
42 | Alloc(const Alloc<U>&) { } | |
43 | ||
44 | pointer allocate(std::size_t n) // does not take a hint | |
45 | { return pointer(std::allocator<T>().allocate(n)); } | |
46 | ||
47 | void deallocate(pointer p, std::size_t n) | |
48 | { std::allocator<T>().deallocate(p.value, n); } | |
49 | }; | |
50 | ||
51 | template<typename T> | |
52 | bool operator==(Alloc<T> l, Alloc<T> r) { return true; } | |
53 | ||
54 | template<typename T> | |
55 | bool operator!=(Alloc<T> l, Alloc<T> r) { return false; } | |
56 | ||
57 | void test01() | |
58 | { | |
59 | typedef std::allocator_traits<Alloc<int>> traits_type; | |
60 | traits_type::allocator_type a; | |
61 | traits_type::const_void_pointer v; | |
62 | traits_type::pointer p = traits_type::allocate(a, 1, v); | |
63 | traits_type::deallocate(a, p, 1); | |
64 | } | |
65 | ||
66 | int main() | |
67 | { | |
68 | test01(); | |
69 | } |