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/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
* 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
* questions.
*/
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.util.concurrent.CyclicBarrier;
import javax.swing.JButton;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import sun.awt.AppContext;
import sun.awt.SunToolkit;
import static javax.swing.UIManager.getInstalledLookAndFeels;
/**
* @test
* @bug 6190373
* @summary Tests 6190373
* @author Scott Violet
* @modules java.desktop/sun.awt
*/
public final class bug6190373 {
private static AppContext app1;
private static AppContext app2;
private static final int LOOP_COUNT = 10000;
private static final CyclicBarrier barrier = new CyclicBarrier(2);
public static void main(final String[] args) throws Exception {
final Thread t1 = new Thread(new ThreadGroup("firstGroup"), () -> {
app1 = SunToolkit.createNewAppContext();
test(true);
});
final Thread t2 = new Thread(new ThreadGroup("secondGroup"), () -> {
app2 = SunToolkit.createNewAppContext();
test(false);
});
t1.start();
t2.start();
t1.join();
t2.join();
app1.dispose();
app2.dispose();
}
private static void test(final boolean lock) {
for (final UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) {
try {
SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
barrier.await();
SwingUtilities.invokeAndWait(() -> slam(lock));
barrier.await();
} catch (final Exception e) {
throw new RuntimeException(e);
}
}
}
private static void slam(final boolean lock) {
JButton button = new JButton("HI");
button.setSize(100, 100);
BufferedImage image = new BufferedImage(100, 100,
BufferedImage.TYPE_INT_RGB);
for (int i = 0; i < LOOP_COUNT; i++) {
Graphics g = image.getGraphics();
if (lock) {
synchronized (button.getTreeLock()) {
button.paint(g);
}
} else {
button.paint(g);
}
g.dispose();
}
}
private static void setLookAndFeel(final UIManager.LookAndFeelInfo laf) {
try {
UIManager.setLookAndFeel(laf.getClassName());
System.out.println("LookAndFeel: " + laf.getClassName());
} catch (final UnsupportedLookAndFeelException ignored){
System.out.println("Unsupported LookAndFeel: " + laf.getClassName());
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
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