| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <unordered_map> |
| |
| // class unordered_multimap |
| |
| // size_type max_size() const; |
| |
| #include <cassert> |
| #include <limits> |
| #include <type_traits> |
| #include <unordered_map> |
| |
| #include "test_allocator.h" |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| typedef std::pair<const int, int> KV; |
| { |
| typedef limited_allocator<KV, 10> A; |
| typedef std::unordered_multimap<int, int, std::hash<int>, |
| std::equal_to<int>, A> |
| C; |
| C c; |
| assert(c.max_size() <= 10); |
| LIBCPP_ASSERT(c.max_size() == 10); |
| } |
| { |
| typedef limited_allocator<KV, (size_t)-1> A; |
| typedef std::unordered_multimap<int, int, std::hash<int>, |
| std::equal_to<int>, A> |
| C; |
| const C::size_type max_dist = |
| static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); |
| C c; |
| assert(c.max_size() <= max_dist); |
| LIBCPP_ASSERT(c.max_size() == max_dist); |
| } |
| { |
| typedef std::unordered_multimap<char, int> C; |
| const C::size_type max_dist = |
| static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); |
| C c; |
| assert(c.max_size() <= max_dist); |
| assert(c.max_size() <= alloc_max_size(c.get_allocator())); |
| } |
| |
| return 0; |
| } |