/*

 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4328748

 * @summary AbstractMap's clone() method is implemented to

 *  reset AbstractMap's private fields after super.clone()

 *

 * @author Konstantin Kladko

 */

import java.util.AbstractMap;

import java.util.HashMap;

import java.util.Map;

import java.util.Set;

public class AbstractMapClone extends AbstractMap implements Cloneable {

    private Map map = new HashMap();

    public Set entrySet() {

        return map.entrySet();

    }

    public Object put(Object key, Object value) {

        return map.put(key, value);

    }

    public Object clone() {

        final AbstractMapClone clone;

        try {

            clone = (AbstractMapClone)super.clone();

        } catch (CloneNotSupportedException e) {

            throw new AssertionError(e);

        }

        clone.map = (Map)((HashMap)map).clone();

        return clone;

    }

    public static void main(String[] args) {

        AbstractMapClone m1 = new AbstractMapClone();

        m1.put("1", "1");

        Set k1 = m1.keySet();

        AbstractMapClone m2 = (AbstractMapClone)m1.clone();

        Set k2 = m2.keySet();

        m2.put("2","2");

        if (k1.equals(k2)) {

            throw new RuntimeException("AbstractMap.clone() failed.");

        }

    }

}