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