/*

 * 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

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 */

/*

  @test

  @bug 6255653

  @summary REGRESSION: Override isLightweight() causes access violation in awt.dll

  @author Andrei Dmitriev: area=awt-component

  @run main IsLightweightCrash

*/

/*

 * The test may not crash for several times so iteratively continue up to some limit.

 */

import java.awt.*;

public class IsLightweightCrash {

    public static int ITERATIONS = 20;

    public static void main(String []s)

    {

        for (int i = 0; i < ITERATIONS; i++){

            showFrame(i);

        }

    }

    private static void showFrame(int i){

        System.out.println("iteration = "+i);

        Frame f = new Frame();

        f.add(new AHeavyweightComponent());

        f.setVisible(true);

        f.setVisible(false);

    }

}

class AHeavyweightComponent extends Component {

    public boolean isLightweight() { return false; }

}