/*

 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

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

 *

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 * 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.

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/* @test

   @bug 6337518

   @summary Null Arrow Button Throws Exception in BasicComboBoxUI

   @author Anton Litvinov

*/

import javax.swing.*;

import javax.swing.plaf.basic.*;

public class bug6337518 extends BasicComboBoxUI {

    @Override

    protected JButton createArrowButton() {

        return null;

    }

    public static void main(String[] args) throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            @Override

            public void run() {

                JComboBox comboBox = new JComboBox();

                comboBox.setUI(new bug6337518());

            }

        });

    }

}