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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <set>
// class multiset
// pair<iterator,iterator> equal_range(const key_type& k);
// pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
#include <set>
#include <cassert>
int main()
{
typedef int V;
typedef std::multiset<int> M;
{
typedef std::pair<M::iterator, M::iterator> R;
V ar[] =
{
5,
5,
5,
7,
7,
7,
9,
9,
9
};
M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
R r = m.equal_range(4);
assert(r.first == next(m.begin(), 0));
assert(r.second == next(m.begin(), 0));
r = m.equal_range(5);
assert(r.first == next(m.begin(), 0));
assert(r.second == next(m.begin(), 3));
r = m.equal_range(6);
assert(r.first == next(m.begin(), 3));
assert(r.second == next(m.begin(), 3));
r = m.equal_range(7);
assert(r.first == next(m.begin(), 3));
assert(r.second == next(m.begin(), 6));
r = m.equal_range(8);
assert(r.first == next(m.begin(), 6));
assert(r.second == next(m.begin(), 6));
r = m.equal_range(9);
assert(r.first == next(m.begin(), 6));
assert(r.second == next(m.begin(), 9));
r = m.equal_range(10);
assert(r.first == next(m.begin(), 9));
assert(r.second == next(m.begin(), 9));
}
{
typedef std::pair<M::const_iterator, M::const_iterator> R;
V ar[] =
{
5,
5,
5,
7,
7,
7,
9,
9,
9
};
M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
R r = m.equal_range(4);
assert(r.first == next(m.begin(), 0));
assert(r.second == next(m.begin(), 0));
r = m.equal_range(5);
assert(r.first == next(m.begin(), 0));
assert(r.second == next(m.begin(), 3));
r = m.equal_range(6);
assert(r.first == next(m.begin(), 3));
assert(r.second == next(m.begin(), 3));
r = m.equal_range(7);
assert(r.first == next(m.begin(), 3));
assert(r.second == next(m.begin(), 6));
r = m.equal_range(8);
assert(r.first == next(m.begin(), 6));
assert(r.second == next(m.begin(), 6));
r = m.equal_range(9);
assert(r.first == next(m.begin(), 6));
assert(r.second == next(m.begin(), 9));
r = m.equal_range(10);
assert(r.first == next(m.begin(), 9));
assert(r.second == next(m.begin(), 9));
}
}
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