| /* |
| * Copyright (c) 1998, 2009, 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. |
| */ |
| |
| /** |
| * |
| * @bug 4023283 |
| * @summary Checks that an Error which propogate up to the EventDispatch |
| * loop does not crash AWT. |
| * @author Andrei Dmitriev: area=awt.event |
| * @library ../../regtesthelpers |
| * @build Util |
| * @run main LoopRobustness |
| */ |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.lang.Math; |
| import test.java.awt.regtesthelpers.Util; |
| |
| public class LoopRobustness { |
| static int clicks = 0; |
| final static long TIMEOUT = 5000; |
| final static Object LOCK = new Object(); |
| static volatile boolean notifyOccur = false; |
| |
| public static void main(String [] args) { |
| ThreadGroup mainThreadGroup = Thread.currentThread().getThreadGroup(); |
| |
| long at; |
| //wait for a TIMEOUT giving a chance to a new Thread above to accomplish its stuff. |
| synchronized (LoopRobustness.LOCK){ |
| new Thread(new TestThreadGroup(mainThreadGroup, "TestGroup"), new Impl()).start(); |
| at = System.currentTimeMillis(); |
| try { |
| while(!notifyOccur && System.currentTimeMillis() - at < TIMEOUT) { |
| LoopRobustness.LOCK.wait(1000); |
| } |
| } catch(InterruptedException e){ |
| throw new RuntimeException("Test interrupted.", e); |
| } |
| } |
| |
| if( !notifyOccur){ |
| //notify doesn't occur after a reasonable time. |
| throw new RuntimeException("Test failed. Second Thread didn't notify MainThread."); |
| } |
| |
| //now wait for two clicks |
| at = System.currentTimeMillis(); |
| while(System.currentTimeMillis() - at < TIMEOUT && clicks < 2) { |
| try { |
| Thread.sleep(100); |
| } catch(InterruptedException e) { |
| throw new RuntimeException("Test interrupted.", e); |
| } |
| } |
| if (clicks != 2) { |
| throw new RuntimeException("robot should press button twice"); |
| } |
| } |
| } |
| |
| class Impl implements Runnable{ |
| static Robot robot; |
| public void run() { |
| Button b = new Button("Press me to test the AWT-Event Queue thread"); |
| Frame lr = new Frame("ROBUST FRAME"); |
| /* Must load Toolkit on this thread only, rather then on Main. |
| If load on Main (on the parent ThreadGroup of current ThreadGroup) then |
| EDT will be created on Main thread and supplied with it's own exceptionHandler, |
| which just throws an Exception and terminates current thread. |
| The test implies that EDT is created on the child ThreadGroup (testThreadGroup) |
| which is supplied with its own uncaughtException(). |
| */ |
| Toolkit.getDefaultToolkit(); |
| lr.setBounds(100, 100, 300, 100); |
| |
| b.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| LoopRobustness.clicks++; |
| //throwing an exception in Static Initializer |
| System.out.println(HostileCrasher.aStaticMethod()); |
| } |
| }); |
| lr.add(b); |
| lr.setVisible(true); |
| |
| try { |
| robot = new Robot(); |
| } catch(AWTException e){ |
| throw new RuntimeException("Test interrupted.", e); |
| } |
| Util.waitForIdle(robot); |
| |
| synchronized (LoopRobustness.LOCK){ |
| LoopRobustness.LOCK.notify(); |
| LoopRobustness.notifyOccur = true; |
| } |
| |
| int i = 0; |
| while(i < 2){ |
| robot.mouseMove(b.getLocationOnScreen().x + b.getWidth()/2, |
| b.getLocationOnScreen().y + b.getHeight()/2 ); |
| robot.mousePress(InputEvent.BUTTON1_MASK); |
| // robot.delay(10); |
| robot.mouseRelease(InputEvent.BUTTON1_MASK); |
| i++; |
| robot.delay(1000); |
| } |
| } |
| } |
| |
| class TestThreadGroup extends ThreadGroup { |
| TestThreadGroup(ThreadGroup threadGroup, String name){ |
| super(threadGroup, name); |
| } |
| |
| public void uncaughtException(Thread exitedThread, Throwable e) { |
| e.printStackTrace(); |
| if ((e instanceof ExceptionInInitializerError) || (e instanceof |
| NoClassDefFoundError)){ |
| throw new RuntimeException("Test failed: other Exceptions were thrown ", e); |
| } |
| } |
| } |
| |
| class HostileCrasher { |
| static { |
| if (Math.random() >= 0.0) { |
| throw new RuntimeException("Die, AWT-Event Queue thread!"); |
| } |
| } |
| public static String aStaticMethod() { |
| return "hello, world"; |
| } |
| } |