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//===----------------------------------------------------------------------===//
//
// 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
// size_type bucket(const key_type& __k) const;
#include <unordered_map>
#include <string>
#include <cassert>
#include <iterator>
#include "test_macros.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef std::unordered_multimap<int, std::string> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
const C c(std::begin(a), std::end(a));
size_t bc = c.bucket_count();
assert(bc >= 7);
for (size_t i = 0; i < 13; ++i)
LIBCPP_ASSERT(c.bucket(i) == i % bc);
}
#if TEST_STD_VER >= 11
{
typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
min_allocator<std::pair<const int, std::string>>> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
const C c(std::begin(a), std::end(a));
size_t bc = c.bucket_count();
assert(bc >= 7);
for (size_t i = 0; i < 13; ++i)
LIBCPP_ASSERT(c.bucket(i) == i % bc);
}
#endif
return 0;
}
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