//===----------------------------------------------------------------------===//
//
// 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
// local_iterator begin (size_type n);
// local_iterator end (size_type n);
// const_local_iterator begin (size_type n) const;
// const_local_iterator end (size_type n) const;
// const_local_iterator cbegin(size_type n) const;
// const_local_iterator cend (size_type n) const;
#include <unordered_map>
#include <string>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
typedef std::unordered_multimap<int, std::string> C;
typedef std::pair<int, std::string> P;
typedef C::local_iterator I;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
C c(a, a + sizeof(a)/sizeof(a[0]));
LIBCPP_ASSERT(c.bucket_count() == 7);
C::size_type b = c.bucket(0);
I i = c.begin(b);
I j = c.end(b);
assert(std::distance(i, j) == 0);
b = c.bucket(1);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 2);
assert(i->first == 1);
assert(i->second == "one");
++i;
assert(i->first == 1);
assert(i->second == "four");
i->first = 2;
b = c.bucket(2);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 2);
assert(i->first == 2);
assert(i->second == "two");
++i;
assert(i->first == 2);
assert(i->second == "four");
b = c.bucket(3);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 1);
assert(i->first == 3);
assert(i->second == "three");
b = c.bucket(4);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 1);
assert(i->first == 4);
assert(i->second == "four");
b = c.bucket(5);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 0);
b = c.bucket(6);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 0);
}
{
typedef std::unordered_multimap<int, std::string> C;
typedef std::pair<int, std::string> P;
typedef C::const_local_iterator I;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
const C c(a, a + sizeof(a)/sizeof(a[0]));
LIBCPP_ASSERT(c.bucket_count() == 7);
C::size_type b = c.bucket(0);
I i = c.begin(b);
I j = c.end(b);
assert(std::distance(i, j) == 0);
b = c.bucket(1);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 2);
assert(i->first == 1);
assert(i->second == "one");
++i;
assert(i->first == 1);
assert(i->second == "four");
b = c.bucket(2);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 2);
assert(i->first == 2);
assert(i->second == "two");
++i;
assert(i->first == 2);
assert(i->second == "four");
b = c.bucket(3);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 1);
assert(i->first == 3);
assert(i->second == "three");
b = c.bucket(4);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 1);
assert(i->first == 4);
assert(i->second == "four");
b = c.bucket(5);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 0);
b = c.bucket(6);
i = c.begin(b);
j = c.end(b);
assert(std::distance(i, j) == 0);
}
{
typedef std::unordered_multimap<int, std::string> C;
typedef std::pair<int, std::string> P;
typedef C::const_local_iterator I;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
C c(a, a + sizeof(a)/sizeof(a[0]));
LIBCPP_ASSERT(c.bucket_count() == 7);
C::size_type b = c.bucket(0);
I i = c.cbegin(b);
I j = c.cend(b);
assert(std::distance(i, j) == 0);
b = c.bucket(1);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 2);
assert(i->first == 1);
assert(i->second == "one");
++i;
assert(i->first == 1);
assert(i->second == "four");
b = c.bucket(2);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 2);
assert(i->first == 2);
assert(i->second == "two");
++i;
assert(i->first == 2);
assert(i->second == "four");
b = c.bucket(3);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 1);
assert(i->first == 3);
assert(i->second == "three");
b = c.bucket(4);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 1);
assert(i->first == 4);
assert(i->second == "four");
b = c.bucket(5);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 0);
b = c.bucket(6);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 0);
}
{
typedef std::unordered_multimap<int, std::string> C;
typedef std::pair<int, std::string> P;
typedef C::const_local_iterator I;
P a[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
const C c(a, a + sizeof(a)/sizeof(a[0]));
LIBCPP_ASSERT(c.bucket_count() == 7);
C::size_type b = c.bucket(0);
I i = c.cbegin(b);
I j = c.cend(b);
assert(std::distance(i, j) == 0);
b = c.bucket(1);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 2);
assert(i->first == 1);
assert(i->second == "one");
++i;
assert(i->first == 1);
assert(i->second == "four");
b = c.bucket(2);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 2);
assert(i->first == 2);
assert(i->second == "two");
++i;
assert(i->first == 2);
assert(i->second == "four");
b = c.bucket(3);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 1);
assert(i->first == 3);
assert(i->second == "three");
b = c.bucket(4);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 1);
assert(i->first == 4);
assert(i->second == "four");
b = c.bucket(5);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 0);
b = c.bucket(6);
i = c.cbegin(b);
j = c.cend(b);
assert(std::distance(i, j) == 0);
}
return 0;
}
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