cxx/test/containers/associative/multimap/size.pass.cpp
2010-05-11 21:36:01 +00:00

37 lines
872 B
C++

//===----------------------------------------------------------------------===//
//
// 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 size() const;
#include <map>
#include <cassert>
int main()
{
typedef std::multimap<int, double> M;
M m;
assert(m.size() == 0);
m.insert(M::value_type(2, 1.5));
assert(m.size() == 1);
m.insert(M::value_type(1, 1.5));
assert(m.size() == 2);
m.insert(M::value_type(3, 1.5));
assert(m.size() == 3);
m.erase(m.begin());
assert(m.size() == 2);
m.erase(m.begin());
assert(m.size() == 1);
m.erase(m.begin());
assert(m.size() == 0);
}