| /* |
| * Copyright (c) 2005, 2015, 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 (ClassNotFoundException | InstantiationException | |
| UnsupportedLookAndFeelException | IllegalAccessException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |