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8868286e | 1 | // { dg-options "-std=gnu++11" } |
2414d57e | 2 | |
f1717362 | 3 | // Copyright (C) 2011-2016 Free Software Foundation, Inc. |
2414d57e | 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 <limits> | |
22 | #include <type_traits> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | struct X { }; | |
26 | ||
27 | template<typename T> | |
28 | struct maxsize_allocator | |
29 | { | |
30 | typedef T value_type; | |
31 | typedef unsigned size_type; | |
32 | ||
33 | size_type max_size() const { return 100; } | |
34 | }; | |
35 | ||
36 | template<typename T> | |
37 | struct unsized_allocator | |
38 | { | |
39 | typedef T value_type; | |
40 | }; | |
41 | ||
42 | ||
43 | void test01() | |
44 | { | |
45 | bool test __attribute__((unused)) = true; | |
46 | ||
47 | typedef std::allocator_traits<maxsize_allocator<X>> traits_type; | |
48 | traits_type::allocator_type a; | |
49 | auto size = a.max_size(); | |
50 | VERIFY( traits_type::max_size(a) == size ); | |
51 | } | |
52 | ||
53 | void test02() | |
54 | { | |
55 | bool test __attribute__((unused)) = true; | |
56 | ||
57 | typedef std::allocator_traits<unsized_allocator<X>> traits_type; | |
58 | traits_type::allocator_type a; | |
59 | auto size = std::numeric_limits<traits_type::size_type>::max(); | |
733d7e33 | 60 | VERIFY( traits_type::max_size(a) == size / sizeof(X) ); |
61 | } | |
62 | ||
63 | void test03() | |
64 | { | |
65 | bool test __attribute__((unused)) = true; | |
66 | ||
67 | typedef std::allocator_traits<unsized_allocator<int>> traits_type; | |
68 | traits_type::allocator_type a; | |
69 | auto size = std::numeric_limits<traits_type::size_type>::max(); | |
70 | VERIFY( traits_type::max_size(a) == size / sizeof(int) ); | |
2414d57e | 71 | } |
72 | ||
73 | int main() | |
74 | { | |
75 | test01(); | |
76 | test02(); | |
733d7e33 | 77 | test03(); |
2414d57e | 78 | } |