/*

 * Copyright (c) 2012, 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     7164256

 * @summary EnumMap.entrySet() returns an entrySet referencing to the cloned instance

 * @author  Diego Belfer

 */

import java.util.EnumMap;

public class ProperEntrySetOnClone {

    public enum Test {

        ONE, TWO

    }

    public static void main(String[] args) {

        EnumMap<Test, String> map1 = new EnumMap<Test, String>(Test.class);

        map1.put(Test.ONE, "1");

        map1.put(Test.TWO, "2");

        // We need to force creation of the map1.entrySet

        int size = map1.entrySet().size();

        if (size != 2) {

            throw new RuntimeException(

                    "Invalid size in original map. Expected: 2 was: " + size);

        }

        EnumMap<Test, String> map2 = map1.clone();

        map2.remove(Test.ONE);

        size = map2.entrySet().size();

        if (size != 1) {

            throw new RuntimeException(

                    "Invalid size in cloned instance. Expected: 1 was: " + size);

        }

    }

}