test/javax/swing/UIManager/Test6657026.java

/*
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 * 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.
 *
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 * questions.
 */

/*
 * @test
 * @bug 6657026
 * @summary Tests shared UIManager in different application contexts
 * @author Sergey Malenkov
 */

import sun.awt.SunToolkit;

import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;

public class Test6657026 implements Runnable {

    public static void main(String[] args) throws Exception {
        if (UIManager.getInstalledLookAndFeels().length == 0) {
            throw new Error("unexpected amount of look&feels");
        }
        UIManager.setInstalledLookAndFeels(new LookAndFeelInfo[0]);
        if (UIManager.getInstalledLookAndFeels().length != 0) {
            throw new Error("unexpected amount of look&feels");
        }

        ThreadGroup group = new ThreadGroup("$$$");
        Thread thread = new Thread(group, new Test6657026());
        thread.start();
        thread.join();
    }

    public void run() {
        SunToolkit.createNewAppContext();
        if (UIManager.getInstalledLookAndFeels().length == 0) {
            throw new Error("shared look&feels");
        }
    }
}