1 /*
   2  * Copyright (c) 2011, 2013, 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  @summary Verify the proper number of ComponentEvents are delivered
  27  @summary com.apple.junit.java.awt.Event;
  28  @library ../../../regtesthelpers
  29  @build VisibilityValidator
  30  @run junit ContainerAddedTest
  31  */
  32 
  33 import junit.framework.*;
  34 
  35 import java.awt.*;
  36 import java.awt.event.AWTEventListener;
  37 
  38 import test.java.awt.regtesthelpers.VisibilityValidator;
  39 
  40 public class ContainerAddedTest extends TestCase {
  41     static final int LOOP = 100;
  42 
  43     class ContainerEventCounter {
  44         static final int TIMEOUT = 5000; // Wait up to five seconds
  45         private int counter = 0;
  46         private AWTEventListener listener = null;
  47 
  48         public ContainerEventCounter() {
  49             listener = new AWTEventListener() {
  50                 public void eventDispatched( AWTEvent e ) {
  51                     // System.out.println("AWTEvent: " + e);
  52                     doEvent(e);
  53                 }
  54             };
  55             Toolkit.getDefaultToolkit().addAWTEventListener( listener, AWTEvent.CONTAINER_EVENT_MASK );
  56         }
  57 
  58         public void dispose() {
  59             Toolkit.getDefaultToolkit().removeAWTEventListener( listener );
  60         }
  61 
  62         synchronized public boolean requireEvents( int total ) {
  63             long endtime = System.currentTimeMillis() + TIMEOUT;
  64             try {
  65                 while (counter < total) {
  66                     if (System.currentTimeMillis() < endtime) {
  67                         wait( TIMEOUT );
  68                     }
  69                     else {
  70                         break;
  71                     }
  72                 }
  73             }
  74             catch (InterruptedException ix) {
  75             }
  76             if (counter != total) {
  77                 System.out.println("### ERROR: expected " + total + " events but received " + counter + " events.");
  78             }
  79             return (counter == total);
  80         }
  81 
  82         synchronized void doEvent(AWTEvent e) {
  83             counter++;
  84             notify();
  85         }
  86     }
  87 
  88     public void testContainerEvents01() throws Exception {
  89         Frame frame = null;
  90         ContainerEventCounter collector = null;
  91         try {
  92             // Thread.currentThread().setName( "ContainerAddedTest Thread" );
  93 
  94             // Bring up a test frame
  95             frame = new Frame( "ContainerAddedTest " );
  96             frame.setLayout( new FlowLayout() );
  97             frame.setSize( 300, 400 );
  98             VisibilityValidator.setVisibleAndConfirm(frame);
  99 
 100             // Add components and count the events
 101             collector = new ContainerEventCounter();
 102             assertTrue( "Nothing added yet, no container events expected", collector.requireEvents( 0 ) );
 103             for (int i = 0; i < LOOP; i++) {
 104                 frame.add( new Label( "-" + i + "-" ) );
 105             }
 106             assertTrue( LOOP + " events expected", collector.requireEvents( LOOP ) );
 107 
 108             // ### todo -- add a test which collects events with eventListener
 109 
 110             /*
 111             // Add these tests after Greg's fix is done
 112 
 113             assertFalse("The frame should not be valid yet", frame.isValid());
 114 
 115             Thread.sleep(500);    // <-- should be smarter than just waiting .5 seconds here...
 116             */
 117 
 118             frame.validate();
 119             assertTrue( "The frame should be valid now", frame.isValid() );
 120         }
 121         finally {
 122             if (frame != null) {
 123                 frame.setVisible( false );
 124                 frame.dispose( );
 125             }
 126 
 127             if (collector != null) {
 128                 collector.dispose();
 129             }
 130 
 131         }
 132     }
 133 
 134     public static Test suite() {
 135         return new TestSuite( ContainerAddedTest.class);
 136     }
 137 
 138     public static void main (String[] args) throws RuntimeException {
 139         TestResult tr = junit.textui.TestRunner.run(suite());
 140         if((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
 141             throw new RuntimeException("### Unexpected JUnit errors or failures.");
 142         }
 143     }
 144 }