You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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;
|
|
|
|
#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(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
|
|
#if _LIBCPP_DEBUG_LEVEL >= 1
|
|
{
|
|
typedef std::unordered_multimap<int, std::string> C;
|
|
C c;
|
|
(void) c.bucket(3);
|
|
assert(false);
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|