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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.
//
//===----------------------------------------------------------------------===//
// <map>
// class multimap
// size_type erase(const key_type& k);
#include <map>
#include <cassert>
int main()
{
{
typedef std::multimap<int, double> M;
typedef std::pair<int, double> P;
typedef M::size_type I;
P ar[] =
{
P(1, 1),
P(1, 1.5),
P(1, 2),
P(2, 1),
P(2, 1.5),
P(2, 2),
P(3, 1),
P(3, 1.5),
P(3, 2),
};
M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
assert(m.size() == 9);
I i = m.erase(2);
assert(m.size() == 6);
assert(i == 3);
assert(next(m.begin(), 0)->first == 1);
assert(next(m.begin(), 0)->second == 1);
assert(next(m.begin(), 1)->first == 1);
assert(next(m.begin(), 1)->second == 1.5);
assert(next(m.begin(), 2)->first == 1);
assert(next(m.begin(), 2)->second == 2);
assert(next(m.begin(), 3)->first == 3);
assert(next(m.begin(), 3)->second == 1);
assert(next(m.begin(), 4)->first == 3);
assert(next(m.begin(), 4)->second == 1.5);
assert(next(m.begin(), 5)->first == 3);
assert(next(m.begin(), 5)->second == 2);
i = m.erase(2);
assert(m.size() == 6);
assert(i == 0);
assert(next(m.begin(), 0)->first == 1);
assert(next(m.begin(), 0)->second == 1);
assert(next(m.begin(), 1)->first == 1);
assert(next(m.begin(), 1)->second == 1.5);
assert(next(m.begin(), 2)->first == 1);
assert(next(m.begin(), 2)->second == 2);
assert(next(m.begin(), 3)->first == 3);
assert(next(m.begin(), 3)->second == 1);
assert(next(m.begin(), 4)->first == 3);
assert(next(m.begin(), 4)->second == 1.5);
assert(next(m.begin(), 5)->first == 3);
assert(next(m.begin(), 5)->second == 2);
i = m.erase(3);
assert(m.size() == 3);
assert(next(m.begin(), 0)->first == 1);
assert(next(m.begin(), 0)->second == 1);
assert(next(m.begin(), 1)->first == 1);
assert(next(m.begin(), 1)->second == 1.5);
assert(next(m.begin(), 2)->first == 1);
assert(next(m.begin(), 2)->second == 2);
i = m.erase(1);
assert(m.size() == 0);
assert(i == 3);
}
}
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