test/jdk/javax/swing/text/LayoutQueue/Test6588003.java

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/* @test
   @bug 6588003
   @summary LayoutQueue should not share its DefaultQueue across AppContexts
   @author Peter Zhelezniakov
   @modules java.desktop/sun.awt
   @run main Test6588003
*/

import javax.swing.text.LayoutQueue;
import sun.awt.SunToolkit;

public class Test6588003 implements Runnable {
    private static final LayoutQueue DEFAULT = new LayoutQueue();

    public static void main(String[] args) throws InterruptedException {
        LayoutQueue.setDefaultQueue(DEFAULT);

        ThreadGroup group = new ThreadGroup("Test6588003");
        Thread thread = new Thread(group, new Test6588003());
        thread.start();
        thread.join();

        if (LayoutQueue.getDefaultQueue() != DEFAULT) {
            throw new RuntimeException("Sharing detected");
        }
    }

    public void run() {
        SunToolkit.createNewAppContext();

        if (LayoutQueue.getDefaultQueue() == DEFAULT) {
            throw new RuntimeException("Sharing detected");
        }

        LayoutQueue.setDefaultQueue(new LayoutQueue());
    }
}