undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/awt/EventQueue/6980209/bug6980209.java
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test/jdk/java/awt/EventQueue/6980209/bug6980209.java
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/*
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* Copyright (c) 2015, 2017, 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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* @key headful
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* @bug 6980209
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* @summary Make tracking SecondaryLoop.enter/exit methods easier
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* @author Semyon Sadetsky
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*/
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import java.util.logging.Logger;
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public class bug6980209 implements ActionListener {
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private final static Logger log =
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Logger.getLogger("java.awt.event.WaitDispatchSupport");
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public static final int ATTEMPTS = 100;
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public static final int EVENTS = 5;
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private static boolean runInEDT;
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private static JFrame frame;
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private static int disorderCounter = 0;
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private static Boolean enterReturn;
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private static Boolean exitReturn;
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private static int dispatchedEvents;
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private static JButton button;
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private static Point point;
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public static void main(String[] args) throws Exception {
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System.out.println(
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"PLEASE DO NOT TOUCH KEYBOARD AND MOUSE DURING THE TEST RUN!");
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// log.setLevel(java.util.logging.Level.FINE);
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// log.setLevel(java.util.logging.Level.FINEST);
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try {
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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frame = new JFrame();
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frame.setUndecorated(true);
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setup(frame);
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}
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});
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final Robot robot = new Robot();
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robot.delay(100);
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robot.waitForIdle();
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robot.setAutoDelay(10);
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robot.setAutoWaitForIdle(true);
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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point = button.getLocationOnScreen();
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}
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});
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robot.mouseMove( point.x + 5, point.y + 5 );
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robot.mousePress(InputEvent.BUTTON1_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.delay(100);
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robot.waitForIdle();
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testExitBeforeEnter();
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System.out.println("Run random test in EDT");
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runInEDT = true;
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testRandomly();
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System.out.println("Run random test in another thread");
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runInEDT = false;
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testRandomly();
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System.out.println("ok");
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} finally {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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frame.dispose();
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}
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});
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}
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}
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private static void testExitBeforeEnter() throws Exception {
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final SecondaryLoop loop =
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Toolkit.getDefaultToolkit().getSystemEventQueue()
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.createSecondaryLoop();
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loop.exit();
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Robot robot = new Robot();
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robot.mouseWheel(1);
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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if(loop.enter()) {
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throw new RuntimeException("Wrong enter() return value");
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}
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}
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});
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}
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private static void testRandomly() throws AWTException {
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disorderCounter = 0;
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final Robot robot = new Robot();
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robot.setAutoDelay(1);
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for (int i = 0; i < ATTEMPTS; i++) {
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enterReturn = null;
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exitReturn = null;
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dispatchedEvents = 0;
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synchronized (bug6980209.class) {
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try {
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for (int j = 0; j < EVENTS; j++) {
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robot.keyPress(KeyEvent.VK_1);
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robot.keyRelease(KeyEvent.VK_1);
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}
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// trigger the button action that starts secondary loop
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robot.keyPress(KeyEvent.VK_SPACE);
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robot.keyRelease(KeyEvent.VK_SPACE);
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for (int j = 0; j < EVENTS; j++) {
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robot.keyPress(KeyEvent.VK_1);
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robot.keyRelease(KeyEvent.VK_1);
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}
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long time = System.nanoTime();
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// wait for enter() returns
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bug6980209.class.wait(1000);
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if (enterReturn == null) {
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System.out.println("wait time=" +
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((System.nanoTime() - time) / 1E9) +
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" seconds");
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throw new RuntimeException(
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"It seems the secondary loop will never end");
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}
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if (!enterReturn) disorderCounter++;
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robot.waitForIdle();
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if (dispatchedEvents <
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2 * EVENTS) { //check that all events are dispatched
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throw new RuntimeException(
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"KeyEvent.VK_1 has been lost!");
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}
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} catch (InterruptedException e) {
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throw new RuntimeException("Interrupted!");
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}
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}
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}
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if (disorderCounter == 0) {
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System.out.println(
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"Zero disordered enter/exit caught. It is recommended to run scenario again");
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} else {
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System.out.println(
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"Disordered calls is " + disorderCounter + " from " +
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ATTEMPTS);
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}
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}
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private static void setup(final JFrame frame) {
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button = new JButton("Button");
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frame.getContentPane().add(button);
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button.addActionListener(new bug6980209());
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frame.pack();
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frame.setVisible(true);
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button.setFocusable(true);
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button.requestFocus();
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button.addKeyListener(new KeyListener() {
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@Override
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public void keyTyped(KeyEvent e) {
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}
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@Override
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public void keyPressed(KeyEvent e) {
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if (e.getKeyChar() == '1') dispatchedEvents++;
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}
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@Override
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public void keyReleased(KeyEvent e) {
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if (e.getKeyChar() == '1') dispatchedEvents++;
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}
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});
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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if (runInEDT) {
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runSecondaryLoop();
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return;
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}
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new Thread("Secondary loop run thread") {
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@Override
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public void run() {
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runSecondaryLoop();
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}
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}.start();
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}
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private static void runSecondaryLoop() {
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log.fine("\n---TEST START---");
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final SecondaryLoop loop =
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Toolkit.getDefaultToolkit().getSystemEventQueue()
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.createSecondaryLoop();
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final Object LOCK = new Object(); //lock to start simultaneously
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Thread exitThread = new Thread("Exit thread") {
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@Override
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public void run() {
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synchronized (LOCK) {
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LOCK.notify();
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}
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Thread.yield();
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exitReturn = loop.exit();
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log.fine("exit() returns " + exitReturn);
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}
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};
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synchronized (LOCK) {
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try {
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exitThread.start();
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LOCK.wait();
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} catch (InterruptedException e1) {
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throw new RuntimeException("What?");
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}
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}
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enterReturn = loop.enter();
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log.fine("enter() returns " + enterReturn);
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try {
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exitThread.join();
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} catch (InterruptedException e) {
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throw new RuntimeException("What?");
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}
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synchronized (bug6980209.class) {
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bug6980209.class.notifyAll();
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}
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log.fine("\n---TEST END---");
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}
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}
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