| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <unordered_set> |
| |
| // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, |
| // class Alloc = allocator<Value>> |
| // class unordered_multiset |
| |
| // unordered_multiset(initializer_list<value_type> init, size_type n, |
| // const hasher& hash, const allocator_type& alloc); |
| |
| #include <unordered_set> |
| #include <cassert> |
| #include <cfloat> |
| #include <cmath> |
| #include <cstddef> |
| #include <iterator> |
| |
| #include "test_macros.h" |
| #include "../../../test_compare.h" |
| #include "../../../test_hash.h" |
| #include "test_allocator.h" |
| #include "min_allocator.h" |
| |
| template <class Allocator> |
| void test(const Allocator& alloc) |
| { |
| typedef std::unordered_multiset<int, |
| test_hash<int>, |
| test_equal_to<int>, |
| Allocator> C; |
| C c({ |
| 1, |
| 2, |
| 3, |
| 4, |
| 1, |
| 2 |
| }, |
| 7, |
| test_hash<int>(5), |
| alloc); |
| |
| LIBCPP_ASSERT(c.bucket_count() == 7); |
| assert(c.size() == 6); |
| assert(c.count(1) == 2); |
| assert(c.count(2) == 2); |
| assert(c.count(3) == 1); |
| assert(c.count(4) == 1); |
| assert(c.hash_function() == test_hash<int>(5)); |
| assert(c.key_eq() == test_equal_to<int>()); |
| assert(c.get_allocator() == alloc); |
| assert(!c.empty()); |
| assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
| assert(std::fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON); |
| assert(c.max_load_factor() == 1); |
| } |
| |
| int main(int, char**) |
| { |
| test(test_allocator<int>(10)); |
| test(min_allocator<int>()); |
| test(explicit_allocator<int>()); |
| |
| return 0; |
| } |