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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <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_size(size_type n) const
#ifdef _LIBCPP_DEBUG
#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
#endif
#include <unordered_map>
#include <string>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main()
{
{
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));
assert(c.bucket_count() >= 7);
LIBCPP_ASSERT(c.bucket_size(0) == 0);
LIBCPP_ASSERT(c.bucket_size(1) == 2);
LIBCPP_ASSERT(c.bucket_size(2) == 2);
LIBCPP_ASSERT(c.bucket_size(3) == 1);
LIBCPP_ASSERT(c.bucket_size(4) == 1);
LIBCPP_ASSERT(c.bucket_size(5) == 0);
LIBCPP_ASSERT(c.bucket_size(6) == 0);
}
#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));
assert(c.bucket_count() >= 7);
LIBCPP_ASSERT(c.bucket_size(0) == 0);
LIBCPP_ASSERT(c.bucket_size(1) == 2);
LIBCPP_ASSERT(c.bucket_size(2) == 2);
LIBCPP_ASSERT(c.bucket_size(3) == 1);
LIBCPP_ASSERT(c.bucket_size(4) == 1);
LIBCPP_ASSERT(c.bucket_size(5) == 0);
LIBCPP_ASSERT(c.bucket_size(6) == 0);
}
#endif
#if _LIBCPP_DEBUG_LEVEL >= 1
{
typedef std::unordered_multimap<int, std::string> C;
C c;
C::size_type i = c.bucket_size(3);
assert(false);
}
#endif
}
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