llvm-project/libcxx/test/containers/associative/multiset/iterator.pass.cpp

115 lines
2.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <set>
// class multiset
// iterator begin();
// const_iterator begin() const;
// iterator end();
// const_iterator end() const;
//
// reverse_iterator rbegin();
// const_reverse_iterator rbegin() const;
// reverse_iterator rend();
// const_reverse_iterator rend() const;
//
// const_iterator cbegin() const;
// const_iterator cend() const;
// const_reverse_iterator crbegin() const;
// const_reverse_iterator crend() const;
#include <set>
#include <cassert>
int main()
{
{
typedef int V;
V ar[] =
{
1,
1,
1,
2,
2,
2,
3,
3,
3,
4,
4,
4,
5,
5,
5,
6,
6,
6,
7,
7,
7,
8,
8,
8
};
std::multiset<int> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(std::distance(m.begin(), m.end()) == m.size());
assert(std::distance(m.rbegin(), m.rend()) == m.size());
std::multiset<int>::iterator i;
i = m.begin();
std::multiset<int>::const_iterator k = i;
assert(i == k);
for (int j = 1; j <= 8; ++j)
for (int k = 0; k < 3; ++k, ++i)
assert(*i == j);
}
{
typedef int V;
V ar[] =
{
1,
1,
1,
2,
2,
2,
3,
3,
3,
4,
4,
4,
5,
5,
5,
6,
6,
6,
7,
7,
7,
8,
8,
8
};
const std::multiset<int> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(std::distance(m.begin(), m.end()) == m.size());
assert(std::distance(m.cbegin(), m.cend()) == m.size());
assert(std::distance(m.rbegin(), m.rend()) == m.size());
assert(std::distance(m.crbegin(), m.crend()) == m.size());
std::multiset<int, double>::const_iterator i;
i = m.begin();
for (int j = 1; j <= 8; ++j)
for (int k = 0; k < 3; ++k, ++i)
assert(*i == j);
}
}