| /* |
| * Copyright (c) 2011, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 7108598 |
| * @summary Container.paint/KeyboardFocusManager.clearMostRecentFocusOwner methods deadlock |
| * @library ../../regtesthelpers |
| * @author Oleg Pekhovskiy |
| * @build Util |
| * @run main/timeout=20 PaintSetEnabledDeadlock |
| */ |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import test.java.awt.regtesthelpers.Util; |
| |
| public class PaintSetEnabledDeadlock extends Frame { |
| |
| final TestPanel panel; |
| final Button button; |
| |
| public static void main(String[] args) { |
| PaintSetEnabledDeadlock frame = new PaintSetEnabledDeadlock(); |
| frame.setSize(200, 200); |
| frame.setVisible(true); |
| |
| Robot robot = Util.createRobot(); |
| robot.setAutoDelay(100); |
| robot.setAutoWaitForIdle(true); |
| |
| for (int i = 0; i < 20; ++i) { |
| Util.clickOnComp(frame.panel, robot); |
| Util.clickOnComp(frame.button, robot); |
| } |
| |
| boolean ret = frame.panel.stop(); |
| frame.dispose(); |
| |
| if (!ret) { |
| throw new RuntimeException("Test failed!"); |
| } |
| System.out.println("Test passed."); |
| } |
| |
| public PaintSetEnabledDeadlock() { |
| super("7108598 test"); |
| setLayout(new GridLayout(1, 2)); |
| addWindowListener(new WindowAdapter() { |
| |
| @Override |
| public void windowClosing(WindowEvent e) { |
| panel.stop(); |
| System.exit(0); |
| } |
| }); |
| panel = new TestPanel(); |
| add(panel); |
| button = new Button("Enable"); |
| button.addMouseListener(new MouseAdapter() { |
| |
| @Override |
| public void mousePressed(MouseEvent e) { |
| panel.setEnabled(true); |
| panel.sync(); |
| panel.repaint(); |
| } |
| }); |
| add(button); |
| } |
| } |
| |
| class TestPanel extends Panel implements Runnable { |
| |
| Image image = null; |
| Thread thread = null; |
| volatile boolean active = true; |
| final Object sync = new Object(); |
| Panel panel = this; |
| |
| public TestPanel() { |
| addMouseListener(new MouseAdapter() { |
| |
| @Override |
| public void mouseReleased(MouseEvent e) { |
| synchronized (panel) { |
| sync(); |
| panel.setEnabled(false); |
| } |
| panel.repaint(); |
| } |
| }); |
| thread = new Thread(this); |
| thread.start(); |
| } |
| |
| @Override |
| public void paint(Graphics paramGraphics) { |
| synchronized (getTreeLock()) { |
| Rectangle rect = getBounds(); |
| if (image == null) { |
| image = createImage(rect.width, rect.height); |
| } |
| |
| if (image != null) { |
| paramGraphics.drawImage(image, 0, 0, this); |
| } |
| } |
| } |
| |
| @Override |
| public void run() { |
| while (active) { |
| try { |
| synchronized (sync) { |
| sync.wait(); |
| } |
| } catch (InterruptedException ex) { |
| } |
| if (active) { |
| draw(); |
| } |
| } |
| } |
| |
| public boolean stop() { |
| active = false; |
| try { |
| sync(); |
| thread.join(1000); |
| if (thread.isAlive()) { |
| thread.interrupt(); |
| return false; |
| } |
| } catch (InterruptedException ex) { |
| return false; |
| } |
| return true; |
| } |
| |
| public void draw() { |
| synchronized (getTreeLock()) { |
| if (image != null) { |
| Graphics localGraphics = image.getGraphics(); |
| Dimension size = getSize(); |
| localGraphics.setColor(isEnabled() ? Color.green : Color.red); |
| localGraphics.fillRect(0, 0, size.width, size.height); |
| super.paint(localGraphics); |
| localGraphics.dispose(); |
| getTreeLock().notifyAll(); |
| } |
| } |
| } |
| |
| public void sync() { |
| synchronized (sync) { |
| sync.notify(); |
| } |
| } |
| } |