author | serb |
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/* |
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* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/** |
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* @test |
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* @bug 4023283 |
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* @key headful |
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* @summary Checks that an Error which propogates up to the EventDispatch |
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* loop does not crash AWT. |
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* @author Andrei Dmitriev: area=awt.event |
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* @library ../../regtesthelpers |
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* @modules java.desktop/sun.awt |
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* @build Util |
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* @run main LoopRobustness |
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*/ |
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import java.awt.*; |
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import java.awt.event.*; |
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import sun.awt.SunToolkit; |
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import test.java.awt.regtesthelpers.Util; |
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public class LoopRobustness { |
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final static long TIMEOUT = 5000; |
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final static Object LOCK = new Object(); |
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public static int clicks = 0; |
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public static volatile boolean notifyOccured = false; |
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public static volatile boolean otherExceptionsCaught = false; |
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public static void main(String [] args) throws Exception { |
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SunToolkit.createNewAppContext(); |
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ThreadGroup mainThreadGroup = Thread.currentThread().getThreadGroup(); |
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long at; |
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//wait for a TIMEOUT giving a chance to a new Thread above to accomplish its stuff. |
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synchronized (LoopRobustness.LOCK) { |
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new Thread(new TestThreadGroup(mainThreadGroup, "TestGroup"), new Impl()).start(); |
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at = System.currentTimeMillis(); |
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try { |
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while (!notifyOccured && (System.currentTimeMillis() - at < TIMEOUT)) { |
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LoopRobustness.LOCK.wait(1000); |
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} |
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} catch (InterruptedException e) { |
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throw new RuntimeException("Test interrupted.", e); |
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} |
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} |
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if (!notifyOccured) { |
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//notify doesn't occur after a reasonable time. |
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throw new RuntimeException("Test FAILED: second thread hasn't notified MainThread"); |
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} |
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//now wait for two clicks |
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at = System.currentTimeMillis(); |
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while(System.currentTimeMillis() - at < TIMEOUT && clicks < 2) { |
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try { |
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Thread.sleep(100); |
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} catch(InterruptedException e) { |
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throw new RuntimeException("Test interrupted.", e); |
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} |
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} |
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if (clicks != 2) { |
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throw new RuntimeException("Test FAILED: robot should press button twice"); |
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} |
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if (otherExceptionsCaught) { |
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throw new RuntimeException("Test FAILED: unexpected exceptions caught"); |
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} |
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} |
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} |
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class Impl implements Runnable{ |
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static Robot robot; |
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public void run() { |
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SunToolkit.createNewAppContext(); |
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Button b = new Button("Press me to test the AWT-Event Queue thread"); |
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Frame lr = new Frame("ROBUST FRAME"); |
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lr.setBounds(100, 100, 300, 100); |
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b.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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LoopRobustness.clicks++; |
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//throwing an exception in Static Initializer |
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System.out.println(HostileCrasher.aStaticMethod()); |
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} |
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}); |
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lr.add(b); |
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lr.setVisible(true); |
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try { |
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robot = new Robot(); |
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} catch (AWTException e) { |
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throw new RuntimeException("Test interrupted.", e); |
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} |
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Util.waitForIdle(robot); |
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synchronized (LoopRobustness.LOCK){ |
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LoopRobustness.LOCK.notify(); |
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LoopRobustness.notifyOccured = true; |
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} |
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int i = 0; |
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while (i < 2) { |
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robot.mouseMove(b.getLocationOnScreen().x + b.getWidth()/2, |
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b.getLocationOnScreen().y + b.getHeight()/2); |
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Util.waitForIdle(robot); |
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robot.mousePress(InputEvent.BUTTON1_MASK); |
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Util.waitForIdle(robot); |
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robot.mouseRelease(InputEvent.BUTTON1_MASK); |
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Util.waitForIdle(robot); |
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i++; |
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} |
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} |
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} |
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class TestThreadGroup extends ThreadGroup { |
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TestThreadGroup(ThreadGroup threadGroup, String name) { |
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super(threadGroup, name); |
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} |
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public void uncaughtException(Thread thread, Throwable e) { |
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System.out.println("Exception caught: " + e); |
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e.printStackTrace(System.out); |
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System.out.flush(); |
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if ((e instanceof ExceptionInInitializerError) || |
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(e instanceof NoClassDefFoundError)) |
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{ |
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// These two are expected |
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return; |
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} |
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LoopRobustness.otherExceptionsCaught = true; |
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} |
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} |
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class HostileCrasher { |
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static { |
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if (Math.random() >= 0.0) { |
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throw new RuntimeException("Die, AWT-Event Queue thread!"); |
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} |
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} |
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public static String aStaticMethod() { |
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return "hello, world"; |
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} |
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} |