cxx/test/containers/associative/map/map.modifiers/clear.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     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.
//
//===----------------------------------------------------------------------===//

// <map>

// class map

// void clear();

#include <map>
#include <cassert>

int main()
{
    {
        typedef std::map<int, double> M;
        typedef std::pair<int, double> P;
        P ar[] =
        {
            P(1, 1.5),
            P(2, 2.5),
            P(3, 3.5),
            P(4, 4.5),
            P(5, 5.5),
            P(6, 6.5),
            P(7, 7.5),
            P(8, 8.5),
        };
        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
        assert(m.size() == 8);
        m.clear();
        assert(m.size() == 0);
    }
}