/*

 * 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

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import javax.swing.Icon;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

import javax.swing.UnsupportedLookAndFeelException;

import static javax.swing.UIManager.getInstalledLookAndFeels;

/**

 * @test

 * @bug 8133926

 */

public final class InternalFrameIcon implements Runnable {

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

        for (final UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) {

            SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));

            SwingUtilities.invokeAndWait(new InternalFrameIcon());

        }

    }

    private static void setLookAndFeel(final UIManager.LookAndFeelInfo laf) {

        try {

            UIManager.setLookAndFeel(laf.getClassName());

            System.out.println("LookAndFeel: " + laf.getClassName());

            throw new RuntimeException(e);

        }

    }

    @Override

    public void run() {

        Object o = UIManager.getDefaults().get("InternalFrame.icon");

        if (o != null && !(o instanceof Icon)) {

            throw new RuntimeException("Wrong object: " + o);

        }

    }

}