1 /*
   2  * Copyright (c) 2015, 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
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  23 
  24 /*
  25   @test
  26   @bug 8080395
  27   @summary
  28   @author    Semyon Sadetsky
  29   @run       main FocusCauseTest
  30 */
  31 
  32 
  33 import java.awt.*;
  34 import java.awt.event.FocusEvent.Cause;
  35 import java.awt.event.FocusEvent;
  36 import java.awt.event.FocusListener;
  37 import java.io.ByteArrayInputStream;
  38 import java.io.IOException;
  39 import java.io.InputStream;
  40 import java.io.ObjectInputStream;
  41 import java.lang.IllegalArgumentException;
  42 import java.lang.Override;
  43 import java.lang.RuntimeException;
  44 import java.util.Arrays;
  45 
  46 public class FocusCauseTest {
  47 
  48     private static Cause[] causes1 = {Cause.ACTIVATION,
  49             Cause.UNKNOWN, Cause.UNKNOWN, Cause.TRAVERSAL_FORWARD,
  50             Cause.TRAVERSAL_FORWARD, Cause.TRAVERSAL_BACKWARD,
  51             Cause.TRAVERSAL_BACKWARD, Cause.TRAVERSAL_UP,
  52             Cause.TRAVERSAL_DOWN, Cause.CLEAR_GLOBAL_FOCUS_OWNER};
  53     private static Cause[] causes2 = new Cause[10];
  54     private static int cnt;
  55 
  56     static byte[] data =
  57             {-84, -19, 0, 5, 115, 114, 0, 24, 115, 117, 110, 46, 97, 119,
  58             116, 46, 67, 97, 117, 115, 101, 100, 70, 111, 99, 117, 115, 69, 118,
  59             101, 110, 116, -51, 98, 39, -75, 86, 52, 107, 30, 2, 0, 1, 76, 0, 5,
  60             99, 97, 117, 115, 101, 116, 0, 32, 76, 115, 117, 110, 47, 97, 119,
  61             116, 47, 67, 97, 117, 115, 101, 100, 70, 111, 99, 117, 115, 69, 118,
  62             101, 110, 116, 36, 67, 97, 117, 115, 101, 59, 120, 114, 0, 25, 106,
  63             97, 118, 97, 46, 97, 119, 116, 46, 101, 118, 101, 110, 116, 46, 70,
  64             111, 99, 117, 115, 69, 118, 101, 110, 116, 7, 68, -65, 75, 55, -113,
  65             98, -52, 2, 0, 1, 90, 0, 9, 116, 101, 109, 112, 111, 114, 97, 114,
  66             121, 120, 114, 0, 29, 106, 97, 118, 97, 46, 97, 119, 116, 46, 101,
  67             118, 101, 110, 116, 46, 67, 111, 109, 112, 111, 110, 101, 110, 116,
  68             69, 118, 101, 110, 116, 112, 109, -6, -107, 79, -87, -38, 69, 2, 0,
  69             0, 120, 114, 0, 17, 106, 97, 118, 97, 46, 97, 119, 116, 46, 65, 87,
  70             84, 69, 118, 101, 110, 116, -26, -85, 45, -31, 24, -33, -118, -61,
  71             2, 0, 3, 90, 0, 8, 99, 111, 110, 115, 117, 109, 101, 100, 73, 0, 2,
  72             105, 100, 91, 0, 5, 98, 100, 97, 116, 97, 116, 0, 2, 91, 66, 120,
  73             114, 0, 21, 106, 97, 118, 97, 46, 117, 116, 105, 108, 46, 69, 118,
  74             101, 110, 116, 79, 98, 106, 101, 99, 116, 76, -115, 9, 78, 24, 109,
  75             125, -88, 2, 0, 0, 120, 112, 0, 0, 0, 3, -20, 112, 0, 126, 114, 0,
  76             30, 115, 117, 110, 46, 97, 119, 116, 46, 67, 97, 117, 115, 101, 100,
  77             70, 111, 99, 117, 115, 69, 118, 101, 110, 116, 36, 67, 97, 117, 115,
  78             101, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 120, 114, 0, 14, 106, 97,
  79             118, 97, 46, 108, 97, 110, 103, 46, 69, 110, 117, 109, 0, 0, 0, 0,
  80             0, 0, 0, 0, 18, 0, 0, 120, 112, 116, 0};
  81 
  82     static byte[] dataOld =
  83             {-84, -19, 0, 5, 115, 114, 0, 25, 106, 97, 118, 97, 46, 97, 119,
  84             116, 46, 101, 118, 101, 110, 116, 46, 70, 111, 99, 117, 115, 69,
  85             118, 101, 110, 116, 7, 68, -65, 75, 55, -113, 98, -52, 2, 0, 1, 90,
  86             0, 9, 116, 101, 109, 112, 111, 114, 97, 114, 121, 120, 114, 0, 29,
  87             106, 97, 118, 97, 46, 97, 119, 116, 46, 101, 118, 101, 110, 116, 46,
  88             67, 111, 109, 112, 111, 110, 101, 110, 116, 69, 118, 101, 110, 116,
  89             112, 109, -6, -107, 79, -87, -38, 69, 2, 0, 0, 120, 114, 0, 17, 106,
  90             97, 118, 97, 46, 97, 119, 116, 46, 65, 87, 84, 69, 118, 101, 110,
  91             116, -26, -85, 45, -31, 24, -33, -118, -61, 2, 0, 3, 90, 0, 8, 99,
  92             111, 110, 115, 117, 109, 101, 100, 73, 0, 2, 105, 100, 91, 0, 5, 98,
  93             100, 97, 116, 97, 116, 0, 2, 91, 66, 120, 114, 0, 21, 106, 97, 118,
  94             97, 46, 117, 116, 105, 108, 46, 69, 118, 101, 110, 116, 79, 98, 106,
  95             101, 99, 116, 76, -115, 9, 78, 24, 109, 125, -88, 2, 0, 0, 120, 112,
  96             0, 0, 0, 0, 100, 112, 0};
  97 
  98     static String[] causesIn = {"UNKNOWN", "MOUSE_EVENT", "TRAVERSAL",
  99             "TRAVERSAL_UP", "TRAVERSAL_DOWN", "TRAVERSAL_FORWARD",
 100             "TRAVERSAL_BACKWARD", "MANUAL_REQUEST", "AUTOMATIC_TRAVERSE"
 101             ,"ROLLBACK", "NATIVE_SYSTEM", "ACTIVATION",
 102             "CLEAR_GLOBAL_FOCUS_OWNER", "RETARGETED"};
 103 
 104     static FocusEvent.Cause[] causesOut = {FocusEvent.Cause.UNKNOWN,
 105             FocusEvent.Cause.MOUSE_EVENT,
 106             FocusEvent.Cause.TRAVERSAL, FocusEvent.Cause.TRAVERSAL_UP,
 107             FocusEvent.Cause.TRAVERSAL_DOWN, FocusEvent.Cause.TRAVERSAL_FORWARD,
 108             FocusEvent.Cause.TRAVERSAL_BACKWARD, FocusEvent.Cause.UNKNOWN,
 109             FocusEvent.Cause.UNKNOWN, FocusEvent.Cause.ROLLBACK,
 110             FocusEvent.Cause.UNEXPECTED, FocusEvent.Cause.ACTIVATION,
 111             FocusEvent.Cause.CLEAR_GLOBAL_FOCUS_OWNER, FocusEvent.Cause.UNKNOWN
 112     };
 113 
 114     public static void main(String[] args) throws Exception {
 115         testCauses();
 116         testNullCause();
 117         testCausedFocusEventDeserialization();
 118         testFocusEventDeserialization();
 119         System.out.println("ok");
 120     }
 121 
 122     private static void testNullCause() {
 123         try {
 124             new FocusEvent(new Frame(), FocusEvent.FOCUS_GAINED, true,
 125                     null, null);
 126             throw new RuntimeException("Exception is not thrown when the " +
 127                     "cause is null");
 128         } catch (IllegalArgumentException e) {
 129         }
 130     }
 131 
 132     private static void testCauses() throws Exception {
 133         cnt = 0;
 134         Frame frame = new Frame();
 135         TextField comp1 = new TextField();
 136         comp1.addFocusListener(new FocusListener() {
 137             @Override
 138             public void focusGained(FocusEvent e) {
 139                 System.out.println(e.getCause());
 140                 causes2[cnt++] = e.getCause();
 141             }
 142 
 143             @Override
 144             public void focusLost(FocusEvent e) {
 145                 System.out.println(e.getCause());
 146                 causes2[cnt++] = e.getCause();
 147             }
 148         });
 149         TextField comp2 = new TextField();
 150         comp2.addFocusListener(new FocusListener() {
 151             @Override
 152             public void focusGained(FocusEvent e) {
 153                 System.out.println(e.getCause());
 154                 causes2[cnt++] = e.getCause();
 155             }
 156 
 157             @Override
 158             public void focusLost(FocusEvent e) {
 159                 System.out.println(e.getCause());
 160                 causes2[cnt++] = e.getCause();
 161             }
 162         });
 163         frame.add(comp1, BorderLayout.NORTH);
 164         frame.add(comp2, BorderLayout.SOUTH);
 165         frame.setVisible(true);
 166 
 167         Robot robot = new Robot();
 168         robot.delay(200);
 169         robot.waitForIdle();
 170         comp2.requestFocus();
 171         robot.waitForIdle();
 172         comp2.transferFocus();
 173         robot.waitForIdle();
 174         comp1.transferFocusBackward();
 175         robot.waitForIdle();
 176         comp2.transferFocusUpCycle();
 177         robot.waitForIdle();
 178         frame.transferFocusDownCycle();
 179         robot.waitForIdle();
 180         frame.dispose();
 181         robot.waitForIdle();
 182         if (!Arrays.equals(causes1, causes2)) {
 183             throw new RuntimeException("wrong cause " + causes2);
 184         }
 185     }
 186 
 187     private static void  testCausedFocusEventDeserialization() throws
 188             Exception {
 189         for (int i = 0; i < causesIn.length; i++) {
 190             final String causeIn = causesIn[i];
 191             ObjectInputStream oi = new ObjectInputStream(new InputStream() {
 192                 int cnt = 0;
 193                 @Override
 194                 public int read() throws IOException {
 195                     if(cnt < data.length) {
 196                         return data[cnt++];
 197                     } else if(cnt == data.length){
 198                         cnt++;
 199                         return causeIn.length();
 200                     } else if(cnt - data.length - 1 < causeIn.length()) {
 201                         return causeIn.getBytes()[cnt++ - data.length - 1];
 202                     }
 203                     return -1;
 204                 }
 205             });
 206             FocusEvent ev = (FocusEvent) oi.readObject();
 207             System.out.println(ev);
 208             if(ev.getCause() != causesOut[i]) {
 209                 throw new RuntimeException("Wrong cause read :" +ev.getCause());
 210             }
 211         }
 212     }
 213 
 214     private static void testFocusEventDeserialization() throws
 215             Exception {
 216         ObjectInputStream oi = new ObjectInputStream(
 217                 new ByteArrayInputStream(dataOld));
 218         FocusEvent ev = (FocusEvent)oi.readObject();
 219         if(ev.getCause() != FocusEvent.Cause.UNKNOWN) {
 220             throw new RuntimeException("Wrong cause in deserialized FocusEvent "
 221                     + ev.getCause());
 222         }
 223     }
 224 
 225 }