| //===----------------------------------------------------------------------===// |
| // |
| // 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++03, c++11, c++14, c++17, c++20 |
| |
| // template<container-compatible-range<value_type> R> |
| // unordered_multiset(from_range_t, R&& rg, size_type n = see below, |
| // const hasher& hf = hasher(), const key_equal& eql = key_equal(), |
| // const allocator_type& a = allocator_type()); // C++23 |
| // |
| // template<container-compatible-range<value_type> R> |
| // unordered_multiset(from_range_t, R&& rg, size_type n, const allocator_type& a) |
| // : unordered_multiset(from_range, std::forward<R>(rg), n, hasher(), key_equal(), a) { } // C++23 |
| // |
| // template<container-compatible-range<value_type> R> |
| // unordered_multiset(from_range_t, R&& rg, size_type n, const hasher& hf, const allocator_type& a) |
| // : unordered_multiset(from_range, std::forward<R>(rg), n, hf, key_equal(), a) { } // C++23 |
| |
| #include <array> |
| #include <unordered_set> |
| |
| #include "../../from_range_unordered_containers.h" |
| #include "test_macros.h" |
| |
| void test_duplicates() { |
| std::array input = {1, 2, 3, 3, 3, 4, 2, 1, 2}; |
| auto c = std::unordered_multiset<int>(std::from_range, input); |
| assert(std::ranges::is_permutation(input, c)); |
| } |
| |
| int main(int, char**) { |
| for_all_iterators_and_allocators<int>([]<class Iter, class Sent, class Alloc>() { |
| test_unordered_set<std::unordered_multiset, int, Iter, Sent, test_hash<int>, test_equal_to<int>, Alloc>(); |
| }); |
| test_unordered_set_move_only<std::unordered_multiset>(); |
| |
| static_assert(test_set_constraints<std::unordered_set, int, double>()); |
| |
| test_set_exception_safety_throwing_copy<std::unordered_multiset>(); |
| test_set_exception_safety_throwing_allocator<std::unordered_multiset, int>(); |
| |
| return 0; |
| } |