| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <experimental/unordered_map> |
| |
| // namespace std { namespace experimental { namespace pmr { |
| // template <class K, class V, class H = hash<K>, class P = equal_to<K> > |
| // using unordered_map = |
| // ::std::unordered_map<K, V, H, P, polymorphic_allocator<pair<const K, V>>> |
| // |
| // template <class K, class V, class H = hash<K>, class P = equal_to<K> > |
| // using unordered_multimap = |
| // ::std::unordered_multimap<K, V, H, P, polymorphic_allocator<pair<const K, V>>> |
| // |
| // }}} // namespace std::experimental::pmr |
| |
| #include <experimental/unordered_map> |
| #include <experimental/memory_resource> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| namespace pmr = std::experimental::pmr; |
| |
| template <class T> |
| struct MyHash : std::hash<T> {}; |
| |
| template <class T> |
| struct MyPred : std::equal_to<T> {}; |
| |
| int main(int, char**) |
| { |
| using K = int; |
| using V = char; |
| using DH = std::hash<K>; |
| using MH = MyHash<K>; |
| using DP = std::equal_to<K>; |
| using MP = MyPred<K>; |
| using P = std::pair<const K, V>; |
| { |
| using StdMap = std::unordered_map<K, V, DH, DP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_map<K, V>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| using StdMap = std::unordered_map<K, V, MH, DP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_map<K, V, MH>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| using StdMap = std::unordered_map<K, V, MH, MP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_map<K, V, MH, MP>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| pmr::unordered_map<int, int> m; |
| assert(m.get_allocator().resource() == pmr::get_default_resource()); |
| } |
| { |
| using StdMap = std::unordered_multimap<K, V, DH, DP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_multimap<K, V>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| using StdMap = std::unordered_multimap<K, V, MH, DP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_multimap<K, V, MH>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| using StdMap = std::unordered_multimap<K, V, MH, MP, pmr::polymorphic_allocator<P>>; |
| using PmrMap = pmr::unordered_multimap<K, V, MH, MP>; |
| static_assert(std::is_same<StdMap, PmrMap>::value, ""); |
| } |
| { |
| pmr::unordered_multimap<int, int> m; |
| assert(m.get_allocator().resource() == pmr::get_default_resource()); |
| } |
| |
| return 0; |
| } |