//===----------------------------------------------------------------------===//
//
// 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>

// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
//           class Alloc = allocator<pair<const Key, T>>>
// class unordered_multimap

// unordered_multimap(size_type n, const hasher& hf, const key_equal& eql);

#include <unordered_map>
#include <cassert>

#include "test_macros.h"
#include "../../../NotConstructible.h"
#include "../../../test_compare.h"
#include "../../../test_hash.h"
#include "test_allocator.h"
#include "min_allocator.h"

int main(int, char**) {
  {
    typedef std::unordered_multimap<NotConstructible,
                                    NotConstructible,
                                    test_hash<NotConstructible>,
                                    test_equal_to<NotConstructible>,
                                    test_allocator<std::pair<const NotConstructible, NotConstructible> > >
        C;
    C c(7, test_hash<NotConstructible>(8), test_equal_to<NotConstructible>(9));
    LIBCPP_ASSERT(c.bucket_count() == 7);
    assert(c.hash_function() == test_hash<NotConstructible>(8));
    assert(c.key_eq() == test_equal_to<NotConstructible>(9));
    assert(c.get_allocator() == (test_allocator<std::pair<const NotConstructible, NotConstructible> >()));
    assert(c.size() == 0);
    assert(c.empty());
    assert(std::distance(c.begin(), c.end()) == 0);
    assert(c.load_factor() == 0);
    assert(c.max_load_factor() == 1);
  }
#if TEST_STD_VER >= 11
  {
    typedef std::unordered_multimap<NotConstructible,
                                    NotConstructible,
                                    test_hash<NotConstructible>,
                                    test_equal_to<NotConstructible>,
                                    min_allocator<std::pair<const NotConstructible, NotConstructible> > >
        C;
    C c(7, test_hash<NotConstructible>(8), test_equal_to<NotConstructible>(9));
    LIBCPP_ASSERT(c.bucket_count() == 7);
    assert(c.hash_function() == test_hash<NotConstructible>(8));
    assert(c.key_eq() == test_equal_to<NotConstructible>(9));
    assert(c.get_allocator() == (min_allocator<std::pair<const NotConstructible, NotConstructible> >()));
    assert(c.size() == 0);
    assert(c.empty());
    assert(std::distance(c.begin(), c.end()) == 0);
    assert(c.load_factor() == 0);
    assert(c.max_load_factor() == 1);
  }
#endif

  return 0;
}
