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f1717362 | 1 | // Copyright (C) 2013-2016 Free Software Foundation, Inc. |
60eba405 | 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 | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
6112b14e | 18 | // { dg-options "-std=gnu++11" } |
60eba405 | 19 | |
20 | #include <unordered_map> | |
21 | #include <memory> | |
22 | #include <testsuite_hooks.h> | |
23 | #include <testsuite_allocator.h> | |
24 | ||
25 | struct T { int i; }; | |
26 | ||
27 | struct hash | |
28 | { | |
29 | std::size_t operator()(const T t) const noexcept | |
30 | { return t.i; } | |
31 | }; | |
32 | ||
33 | struct equal_to | |
34 | { | |
35 | bool operator()(const T& lhs, const T& rhs) const noexcept | |
36 | { return lhs.i == rhs.i; } | |
37 | }; | |
38 | ||
39 | ||
40 | bool operator==(const T& l, const T& r) { return l.i == r.i; } | |
41 | bool operator<(const T& l, const T& r) { return l.i < r.i; } | |
42 | ||
43 | using __gnu_test::SimpleAllocator; | |
44 | ||
45 | template class std::unordered_map<T, T, hash, equal_to, SimpleAllocator<T>>; | |
46 | ||
47 | void test01() | |
48 | { | |
49 | bool test __attribute__((unused)) = true; | |
50 | typedef SimpleAllocator<T> alloc_type; | |
51 | typedef std::allocator_traits<alloc_type> traits_type; | |
52 | typedef std::unordered_map<T, T, hash, equal_to, alloc_type> test_type; | |
53 | test_type v(alloc_type{}); | |
54 | v.emplace(std::piecewise_construct, | |
55 | std::make_tuple(T()), std::make_tuple(T())); | |
733d7e33 | 56 | VERIFY( v.max_size() < traits_type::max_size(v.get_allocator()) ); |
60eba405 | 57 | } |
58 | ||
59 | int main() | |
60 | { | |
61 | test01(); | |
62 | return 0; | |
63 | } |