test/containers/associative/multimap/multimap.modifiers/insert_rv.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <map>

// class multimap

// template <class P>
//   iterator insert(P&& p);

#include <map>
#include <cassert>

#include "../../../MoveOnly.h"

int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
    {
        typedef std::multimap<int, MoveOnly> M;
        typedef M::iterator R;
        M m;
        R r = m.insert(M::value_type(2, 2));
        assert(r == m.begin());
        assert(m.size() == 1);
        assert(r->first == 2);
        assert(r->second == 2);

        r = m.insert(M::value_type(1, 1));
        assert(r == m.begin());
        assert(m.size() == 2);
        assert(r->first == 1);
        assert(r->second == 1);

        r = m.insert(M::value_type(3, 3));
        assert(r == prev(m.end()));
        assert(m.size() == 3);
        assert(r->first == 3);
        assert(r->second == 3);

        r = m.insert(M::value_type(3, 3));
        assert(r == prev(m.end()));
        assert(m.size() == 4);
        assert(r->first == 3);
        assert(r->second == 3);
    }
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}