/*

 * 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 4429876

 * @run main GetChildNames

 * @summary Tests that the getChildNames method of

 * IIOMetadataFormatImpl returns null for a CHILD_POLICY_EMPTY node.

 */

import javax.imageio.metadata.IIOMetadataFormatImpl;

import javax.imageio.ImageTypeSpecifier;

public class GetChildNames {

    public static void main(String argv[]) {

        GCNFormatImpl fmt = new GCNFormatImpl("root", 1, 10);

        fmt.addElement("cc", "root", fmt.CHILD_POLICY_EMPTY);

        String[] result = fmt.getChildNames("cc");

        if (result != null) {

            throw new RuntimeException

                ("Failed, result is not null: " + result);

        }

    }

}

class GCNFormatImpl extends IIOMetadataFormatImpl {

    GCNFormatImpl(String root, int minChildren, int maxChildren) {

        super(root, minChildren, maxChildren);

    }

    public void addElement(String elementName,

                           String parentName, int childPolicy) {

        super.addElement(elementName, parentName, childPolicy);

    }

    public boolean canNodeAppear(String elementName,

                                 ImageTypeSpecifier imageType) {

        return true;

    }

}