EnqueueWithDialogTest.java revision 14851:980da45565c8
1/* 2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 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). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 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 21 * questions. 22 */ 23 24/* 25 * @test 26 * @key headful 27 * @bug 4799136 28 * @summary Tests that type-ahead for dialog works and doesn't block program 29 * @author Dmitry.Cherepanov@SUN.COM area=awt.focus 30 * @run main EnqueueWithDialogTest 31 */ 32 33import java.awt.*; 34import java.lang.reflect.InvocationTargetException; 35import java.awt.event.*; 36import java.util.concurrent.CountDownLatch; 37import java.util.concurrent.TimeUnit; 38 39/* 40 * The purpose of this test is check that the type-head 41 * works correctly on Windows. That means that the key 42 * events are not delivered until a focus transfer is 43 * completed. Another regression test EnqueueWithDialogButton 44 * doesn't work on Windows because of the bug 6347235. 45 * This test workaround the bug by means of the removing 46 * button from the dialog. 47 */ 48 49public class EnqueueWithDialogTest 50{ 51 static Frame f; 52 static Button b; 53 static Dialog d; 54 static CountDownLatch pressLatch = new CountDownLatch(1); 55 static CountDownLatch robotLatch = new CountDownLatch(1); 56 static volatile boolean gotFocus = false; 57 static Robot robot; 58 public static void main(String args[]) throws Exception { 59 EnqueueWithDialogTest test = new EnqueueWithDialogTest(); 60 test.init(); 61 test.start(); 62 } 63 public void init() 64 { 65 Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() { 66 public void eventDispatched(AWTEvent e) { 67 if (e instanceof InputEvent){ 68 System.err.println(e.toString()+","+((InputEvent)e).getWhen()); 69 }else{ 70 System.err.println(e.toString()); 71 } 72 } 73 }, AWTEvent.KEY_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK); 74 75 76 f = new Frame("frame"); 77 f.setPreferredSize(new Dimension(100,100)); 78 f.setLocation(100,50); 79 b = new Button("press"); 80 d = new Dialog(f, "dialog", true); 81 d.setPreferredSize(new Dimension(70,70)); 82 d.pack(); 83 d.addKeyListener(new KeyAdapter() { 84 public void keyPressed(KeyEvent e) { 85 System.err.println("DIALOG pressed: should arrive after got focus"); 86 d.dispose(); 87 f.dispose(); 88 // Typed-ahead key events should only be accepted if 89 // they arrive after FOCUS_GAINED 90 if (gotFocus) { 91 pressLatch.countDown(); 92 } 93 } 94 }); 95 d.addFocusListener(new FocusAdapter() { 96 public void focusGained(FocusEvent e) { 97 gotFocus = true; 98 System.err.println("DIALOG got focus"); 99 } 100 }); 101 f.add(b); 102 f.pack(); 103 b.addActionListener(new ActionListener() { 104 public void actionPerformed(ActionEvent e) { 105 System.err.println(e.toString()+","+e.getWhen()); 106 System.err.println("B pressed"); 107 robotLatch.countDown(); 108 109 EventQueue.invokeLater(new Runnable() { 110 public void run() { 111 waitTillShown(d); 112 EnqueueWithDialogTest.this.d.toFront(); 113 EnqueueWithDialogTest.this.moveMouseOver(d); 114 } 115 }); 116 117 // This will cause enqueue the following key events 118 d.setVisible(true); 119 } 120 }); 121 122 }//End init() 123 124 public void start () throws Exception 125 { 126 try { 127 robot = new Robot(); 128 //robot.setAutoDelay(50); 129 } catch (Exception e) { 130 throw new RuntimeException("Can't create robot:" + e); 131 } 132 133 f.setVisible(true); 134 waitTillShown(b); 135 System.err.println("b is shown"); 136 f.toFront(); 137 moveMouseOver(f); 138 robot.waitForIdle(); 139 robot.delay(100); 140 makeFocused(b); 141 robot.waitForIdle(); 142 robot.delay(100); 143 System.err.println("b is focused"); 144 145 robot.keyPress(KeyEvent.VK_SPACE); 146 robot.keyRelease(KeyEvent.VK_SPACE); 147 System.err.println("space typed once"); 148 boolean ok = robotLatch.await(1, TimeUnit.SECONDS); 149 if(!ok) { 150 throw new RuntimeException("Was B button pressed?"); 151 } 152 153 robot.keyPress(KeyEvent.VK_SPACE); 154 robot.keyRelease(KeyEvent.VK_SPACE); 155 System.err.println("space typed twice"); 156 robot.delay(500); 157 ok = pressLatch.await(3, TimeUnit.SECONDS); 158 if(!ok) { 159 throw new RuntimeException("Type-ahead doesn't work"); 160 } 161 162 }// start() 163 164 private void moveMouseOver(Container c) { 165 Point p = c.getLocationOnScreen(); 166 Dimension d = c.getSize(); 167 robot.mouseMove(p.x + (int)(d.getWidth()/2), p.y + (int)(d.getHeight()/2)); 168 } 169 170 private void waitTillShown(Component c) { 171 while (true) { 172 try { 173 Thread.sleep(100); 174 c.getLocationOnScreen(); 175 break; 176 } catch (InterruptedException ie) { 177 ie.printStackTrace(); 178 break; 179 } catch (Exception e) { 180 } 181 } 182 } 183 private void makeFocused(Component comp) { 184 if (comp.isFocusOwner()) { 185 return; 186 } 187 final Semaphore sema = new Semaphore(); 188 final FocusAdapter fa = new FocusAdapter() { 189 public void focusGained(FocusEvent fe) { 190 sema.raise(); 191 } 192 }; 193 comp.addFocusListener(fa); 194 comp.requestFocusInWindow(); 195 if (comp.isFocusOwner()) { 196 return; 197 } 198 try { 199 sema.doWait(3000); 200 } catch (InterruptedException ie) { 201 ie.printStackTrace(); 202 } 203 comp.removeFocusListener(fa); 204 if (!comp.isFocusOwner()) { 205 throw new RuntimeException("Can't make " + comp + " focused, current owner is " + KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner()); 206 } 207 } 208 209static class Semaphore { 210 boolean state = false; 211 int waiting = 0; 212 public Semaphore() { 213 } 214 public synchronized void doWait() throws InterruptedException { 215 if (state) { 216 return; 217 } 218 waiting++; 219 wait(); 220 waiting--; 221 } 222 public synchronized void doWait(int timeout) throws InterruptedException { 223 if (state) { 224 return; 225 } 226 waiting++; 227 wait(timeout); 228 waiting--; 229 } 230 public synchronized void raise() { 231 state = true; 232 if (waiting > 0) { 233 notifyAll(); 234 } 235 } 236 public synchronized boolean getState() { 237 return state; 238 } 239} 240} 241