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  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /* @test
  25    @bug 6980209
  26    @summary Make tracking SecondaryLoop.enter/exit methods easier
  27    @author Semyon Sadetsky
  28   */
  29 
  30 import javax.swing.*;
  31 import java.awt.*;
  32 import java.awt.event.*;
  33 import java.awt.event.ActionEvent;
  34 import java.awt.event.ActionListener;
  35 import java.awt.event.KeyEvent;
  36 import java.awt.event.KeyListener;
  37 import java.util.logging.Logger;
  38 
  39 public class bug6980209 implements ActionListener {
  40     private final static Logger log =
  41             Logger.getLogger("java.awt.event.WaitDispatchSupport");
  42     public static final int ATTEMPTS = 100;
  43     public static final int EVENTS = 5;
  44 
  45     private static boolean runInEDT;
  46     private static JFrame frame;
  47     private static int disorderCounter = 0;
  48     private static Boolean enterReturn;
  49     private static Boolean exitReturn;
  50     private static int dispatchedEvents;
  51     private static JButton button;
  52     private static Point point;
  53 
  54     public static void main(String[] args) throws Exception {
  55         System.out.println(
  56                 "PLEASE DO NOT TOUCH KEYBOARD AND MOUSE DURING THE TEST RUN!");
  57         // log.setLevel(java.util.logging.Level.FINE);
  58         // log.setLevel(java.util.logging.Level.FINEST);
  59         try {
  60             SwingUtilities.invokeAndWait(new Runnable() {
  61                 public void run() {
  62                     frame = new JFrame();
  63                     frame.setUndecorated(true);
  64                     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  65                     setup(frame);
  66                 }
  67             });
  68             final Robot robot = new Robot();
  69             robot.delay(100);
  70             robot.waitForIdle();
  71             robot.setAutoDelay(10);
  72             robot.setAutoWaitForIdle(true);
  73             SwingUtilities.invokeAndWait(new Runnable() {
  74                 @Override
  75                 public void run() {
  76                     point = button.getLocationOnScreen();
  77                 }
  78             });
  79             robot.mouseMove( point.x + 5, point.y + 5 );
  80             robot.mousePress(InputEvent.BUTTON1_MASK);
  81             robot.mouseRelease(InputEvent.BUTTON1_MASK);
  82             robot.delay(100);
  83             robot.waitForIdle();
  84 
  85             testExitBeforeEnter();
  86             System.out.println("Run random test in EDT");
  87             runInEDT = true;
  88             testRandomly();
  89             System.out.println("Run random test in another thread");
  90             runInEDT = false;
  91             testRandomly();
  92             System.out.println("ok");
  93 
  94         } finally {
  95             SwingUtilities.invokeAndWait(new Runnable() {
  96                 @Override
  97                 public void run() {
  98                     frame.dispose();
  99                 }
 100             });
 101         }
 102     }
 103 
 104     private static void testExitBeforeEnter() throws Exception {
 105         final SecondaryLoop loop =
 106                 Toolkit.getDefaultToolkit().getSystemEventQueue()
 107                         .createSecondaryLoop();
 108         loop.exit();
 109         Robot robot = new Robot();
 110         robot.mouseWheel(1);
 111         robot.waitForIdle();
 112         SwingUtilities.invokeAndWait(new Runnable() {
 113             @Override
 114             public void run() {
 115                 if(loop.enter()) {
 116                     throw new RuntimeException("Wrong enter() return value");
 117                 }
 118             }
 119         });
 120     }
 121 
 122     private static void testRandomly() throws AWTException {
 123         disorderCounter = 0;
 124         final Robot robot = new Robot();
 125         robot.setAutoDelay(1);
 126         for (int i = 0; i < ATTEMPTS; i++) {
 127             enterReturn = null;
 128             exitReturn = null;
 129             dispatchedEvents = 0;
 130             synchronized (bug6980209.class) {
 131                 try {
 132                     for (int j = 0; j < EVENTS; j++) {
 133                         robot.keyPress(KeyEvent.VK_1);
 134                         robot.keyRelease(KeyEvent.VK_1);
 135                     }
 136 
 137                     // trigger the button action that starts secondary loop
 138                     robot.keyPress(KeyEvent.VK_SPACE);
 139                     robot.keyRelease(KeyEvent.VK_SPACE);
 140 
 141                     for (int j = 0; j < EVENTS; j++) {
 142                         robot.keyPress(KeyEvent.VK_1);
 143                         robot.keyRelease(KeyEvent.VK_1);
 144                     }
 145                     long time = System.nanoTime();
 146                     // wait for enter() returns
 147                     bug6980209.class.wait(1000);
 148                     if (enterReturn == null) {
 149                         System.out.println("wait time=" +
 150                                 ((System.nanoTime() - time) / 1E9) +
 151                                 " seconds");
 152                         throw new RuntimeException(
 153                                 "It seems the secondary loop will never end");
 154                     }
 155                     if (!enterReturn) disorderCounter++;
 156 
 157                     robot.waitForIdle();
 158                     if (dispatchedEvents <
 159                             2 * EVENTS) { //check that all events are dispatched
 160                         throw new RuntimeException(
 161                                 "KeyEvent.VK_1 has been lost!");
 162                     }
 163 
 164                 } catch (InterruptedException e) {
 165                     throw new RuntimeException("Interrupted!");
 166                 }
 167             }
 168         }
 169         if (disorderCounter == 0) {
 170             System.out.println(
 171                     "Zero disordered enter/exit caught. It is recommended to run scenario again");
 172         } else {
 173             System.out.println(
 174                     "Disordered calls is " + disorderCounter + " from " +
 175                             ATTEMPTS);
 176         }
 177     }
 178 
 179     private static void setup(final JFrame frame) {
 180         button = new JButton("Button");
 181         frame.getContentPane().add(button);
 182         button.addActionListener(new bug6980209());
 183         frame.pack();
 184         frame.setVisible(true);
 185         button.setFocusable(true);
 186         button.requestFocus();
 187         button.addKeyListener(new KeyListener() {
 188             @Override
 189             public void keyTyped(KeyEvent e) {
 190             }
 191 
 192             @Override
 193             public void keyPressed(KeyEvent e) {
 194                 if (e.getKeyChar() == '1') dispatchedEvents++;
 195             }
 196 
 197             @Override
 198             public void keyReleased(KeyEvent e) {
 199                 if (e.getKeyChar() == '1') dispatchedEvents++;
 200             }
 201         });
 202     }
 203 
 204 
 205     @Override
 206     public void actionPerformed(ActionEvent e) {
 207         if (runInEDT) {
 208             runSecondaryLoop();
 209             return;
 210         }
 211         new Thread("Secondary loop run thread") {
 212             @Override
 213             public void run() {
 214                 runSecondaryLoop();
 215             }
 216         }.start();
 217     }
 218 
 219     private static void runSecondaryLoop() {
 220         log.fine("\n---TEST START---");
 221 
 222         final SecondaryLoop loop =
 223                 Toolkit.getDefaultToolkit().getSystemEventQueue()
 224                         .createSecondaryLoop();
 225 
 226         final Object LOCK = new Object(); //lock to start simultaneously
 227         Thread exitThread = new Thread("Exit thread") {
 228             @Override
 229             public void run() {
 230                 synchronized (LOCK) {
 231                     LOCK.notify();
 232                 }
 233                 Thread.yield();
 234                 exitReturn = loop.exit();
 235                 log.fine("exit() returns " + exitReturn);
 236             }
 237         };
 238 
 239         synchronized (LOCK) {
 240             try {
 241                 exitThread.start();
 242                 LOCK.wait();
 243             } catch (InterruptedException e1) {
 244                 throw new RuntimeException("What?");
 245             }
 246         }
 247 
 248         enterReturn = loop.enter();
 249         log.fine("enter() returns " + enterReturn);
 250 
 251         try {
 252             exitThread.join();
 253         } catch (InterruptedException e) {
 254             throw new RuntimeException("What?");
 255         }
 256         synchronized (bug6980209.class) {
 257             bug6980209.class.notifyAll();
 258         }
 259         log.fine("\n---TEST END---");
 260     }
 261 }
--- EOF ---