/* * Copyright (c) 2015, 2017, 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 * @key headful * @bug 6980209 * @summary Make tracking SecondaryLoop.enter/exit methods easier * @author Semyon Sadetsky */ import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.util.logging.Logger; public class bug6980209 implements ActionListener { private final static Logger log = Logger.getLogger("java.awt.event.WaitDispatchSupport"); public static final int ATTEMPTS = 100; public static final int EVENTS = 5; private static boolean runInEDT; private static JFrame frame; private static int disorderCounter = 0; private static Boolean enterReturn; private static Boolean exitReturn; private static int dispatchedEvents; private static JButton button; private static Point point; public static void main(String[] args) throws Exception { System.out.println( "PLEASE DO NOT TOUCH KEYBOARD AND MOUSE DURING THE TEST RUN!"); // log.setLevel(java.util.logging.Level.FINE); // log.setLevel(java.util.logging.Level.FINEST); try { SwingUtilities.invokeAndWait(new Runnable() { public void run() { frame = new JFrame(); frame.setUndecorated(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setup(frame); } }); final Robot robot = new Robot(); robot.delay(100); robot.waitForIdle(); robot.setAutoDelay(10); robot.setAutoWaitForIdle(true); SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { point = button.getLocationOnScreen(); } }); robot.mouseMove( point.x + 5, point.y + 5 ); robot.mousePress(InputEvent.BUTTON1_MASK); robot.mouseRelease(InputEvent.BUTTON1_MASK); robot.delay(100); robot.waitForIdle(); testExitBeforeEnter(); System.out.println("Run random test in EDT"); runInEDT = true; testRandomly(); System.out.println("Run random test in another thread"); runInEDT = false; testRandomly(); System.out.println("ok"); } finally { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { frame.dispose(); } }); } } private static void testExitBeforeEnter() throws Exception { final SecondaryLoop loop = Toolkit.getDefaultToolkit().getSystemEventQueue() .createSecondaryLoop(); loop.exit(); Robot robot = new Robot(); robot.mouseWheel(1); robot.waitForIdle(); SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { if(loop.enter()) { throw new RuntimeException("Wrong enter() return value"); } } }); } private static void testRandomly() throws AWTException { disorderCounter = 0; final Robot robot = new Robot(); robot.setAutoDelay(1); for (int i = 0; i < ATTEMPTS; i++) { enterReturn = null; exitReturn = null; dispatchedEvents = 0; synchronized (bug6980209.class) { try { for (int j = 0; j < EVENTS; j++) { robot.keyPress(KeyEvent.VK_1); robot.keyRelease(KeyEvent.VK_1); } // trigger the button action that starts secondary loop robot.keyPress(KeyEvent.VK_SPACE); robot.keyRelease(KeyEvent.VK_SPACE); for (int j = 0; j < EVENTS; j++) { robot.keyPress(KeyEvent.VK_1); robot.keyRelease(KeyEvent.VK_1); } long time = System.nanoTime(); // wait for enter() returns bug6980209.class.wait(1000); if (enterReturn == null) { System.out.println("wait time=" + ((System.nanoTime() - time) / 1E9) + " seconds"); throw new RuntimeException( "It seems the secondary loop will never end"); } if (!enterReturn) disorderCounter++; robot.waitForIdle(); if (dispatchedEvents < 2 * EVENTS) { //check that all events are dispatched throw new RuntimeException( "KeyEvent.VK_1 has been lost!"); } } catch (InterruptedException e) { throw new RuntimeException("Interrupted!"); } } } if (disorderCounter == 0) { System.out.println( "Zero disordered enter/exit caught. It is recommended to run scenario again"); } else { System.out.println( "Disordered calls is " + disorderCounter + " from " + ATTEMPTS); } } private static void setup(final JFrame frame) { button = new JButton("Button"); frame.getContentPane().add(button); button.addActionListener(new bug6980209()); frame.pack(); frame.setVisible(true); button.setFocusable(true); button.requestFocus(); button.addKeyListener(new KeyListener() { @Override public void keyTyped(KeyEvent e) { } @Override public void keyPressed(KeyEvent e) { if (e.getKeyChar() == '1') dispatchedEvents++; } @Override public void keyReleased(KeyEvent e) { if (e.getKeyChar() == '1') dispatchedEvents++; } }); } @Override public void actionPerformed(ActionEvent e) { if (runInEDT) { runSecondaryLoop(); return; } new Thread("Secondary loop run thread") { @Override public void run() { runSecondaryLoop(); } }.start(); } private static void runSecondaryLoop() { log.fine("\n---TEST START---"); final SecondaryLoop loop = Toolkit.getDefaultToolkit().getSystemEventQueue() .createSecondaryLoop(); final Object LOCK = new Object(); //lock to start simultaneously Thread exitThread = new Thread("Exit thread") { @Override public void run() { synchronized (LOCK) { LOCK.notify(); } Thread.yield(); exitReturn = loop.exit(); log.fine("exit() returns " + exitReturn); } }; synchronized (LOCK) { try { exitThread.start(); LOCK.wait(); } catch (InterruptedException e1) { throw new RuntimeException("What?"); } } enterReturn = loop.enter(); log.fine("enter() returns " + enterReturn); try { exitThread.join(); } catch (InterruptedException e) { throw new RuntimeException("What?"); } synchronized (bug6980209.class) { bug6980209.class.notifyAll(); } log.fine("\n---TEST END---"); } }