1 /* 2 * Copyright (c) 2007, 2018, 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 6533330 28 @summary ANCESTOR_RESIZED is not sent while resizing a frame. Regression caused by 6500477. 29 @author anthony.petrov: area=awt.toplevel 30 @library ../../../regtesthelpers 31 @build Util 32 @run main AncestorResized 33 */ 34 35 36 /** 37 * AncestorResized.java 38 * 39 * summary: After fixing the 6500477, the ANCESTOR_RESIZED event stoped 40 * firing while resizing a frame. This was a regression. 41 * The test checks whether the event starts dispatching as it 42 * was before fixing the 6500477. 43 */ 44 45 import java.awt.*; 46 import java.awt.event.*; 47 import test.java.awt.regtesthelpers.Util; 48 49 50 public class AncestorResized 51 { 52 public static volatile int ancestorResizedCounter = 0; 53 54 55 static class HierarchyBoundsListenerImpl implements HierarchyBoundsListener { 56 public void ancestorMoved(HierarchyEvent ce) { 57 // ANCESTOR_MOVED seems to work OK. 58 } 59 public void ancestorResized(HierarchyEvent ce) { 60 ancestorResizedCounter++; 61 } 62 } 63 64 private static void init() 65 { 66 Frame frame; 67 Panel panel; 68 Button button; 69 Label label; 70 Component[] components; 71 72 frame = new Frame("Test Frame"); 73 frame.setLayout(new FlowLayout()); 74 75 panel = new Panel(); 76 button = new Button("Button"); 77 label = new Label("Label"); 78 79 components = new Component[] { 80 panel, button, label 81 }; 82 83 frame.setSize(300, 300); 84 frame.setVisible(true); 85 86 Robot robot = Util.createRobot(); 87 robot.setAutoDelay(20); 88 89 // To ensure the window is shown and packed 90 Util.waitForIdle(robot); 91 92 Insets insets = frame.getInsets(); 93 if (insets.right == 0 || insets.bottom == 0) { 94 // Because we want to catch the "size-grip" of the frame. 95 System.out.println("The test environment must have non-zero right & bottom insets! The current insets are: " + insets); 96 pass(); 97 return; 98 } 99 100 // Let's move the mouse pointer to the bottom-right coner of the frame (the "size-grip") 101 Rectangle bounds = frame.getBounds(); 102 103 robot.mouseMove(bounds.x + bounds.width - 1, bounds.y + bounds.height - 1); 104 105 // From now on the ANCESTOR_RESIZED events get counted. 106 HierarchyBoundsListener listener = new HierarchyBoundsListenerImpl(); 107 for (int i = 0; i < components.length; i++) { 108 components[i].addHierarchyBoundsListener(listener); 109 frame.add(components[i]); 110 } 111 112 // ... and start resizing 113 robot.mousePress( InputEvent.BUTTON1_MASK ); 114 robot.mouseMove(bounds.x + bounds.width + 20, bounds.y + bounds.height + 15); 115 Util.waitForIdle(robot); 116 117 if (ancestorResizedCounter == 0) { 118 robot.mouseRelease( InputEvent.BUTTON1_MASK ); 119 AncestorResized.fail("No ANCESTOR_RESIZED events received."); 120 return; 121 } 122 123 robot.mouseRelease( InputEvent.BUTTON1_MASK ); 124 125 AncestorResized.pass(); 126 }//End init() 127 128 129 130 /***************************************************** 131 * Standard Test Machinery Section 132 * DO NOT modify anything in this section -- it's a 133 * standard chunk of code which has all of the 134 * synchronisation necessary for the test harness. 135 * By keeping it the same in all tests, it is easier 136 * to read and understand someone else's test, as 137 * well as insuring that all tests behave correctly 138 * with the test harness. 139 * There is a section following this for test- 140 * classes 141 ******************************************************/ 142 private static boolean theTestPassed = false; 143 private static boolean testGeneratedInterrupt = false; 144 private static String failureMessage = ""; 145 146 private static Thread mainThread = null; 147 148 private static int sleepTime = 300000; 149 150 // Not sure about what happens if multiple of this test are 151 // instantiated in the same VM. Being static (and using 152 // static vars), it aint gonna work. Not worrying about 153 // it for now. 154 public static void main( String args[] ) throws InterruptedException 155 { 156 mainThread = Thread.currentThread(); 157 try 158 { 159 init(); 160 } 161 catch( TestPassedException e ) 162 { 163 //The test passed, so just return from main and harness will 164 // interepret this return as a pass 165 return; 166 } 167 //At this point, neither test pass nor test fail has been 168 // called -- either would have thrown an exception and ended the 169 // test, so we know we have multiple threads. 170 171 //Test involves other threads, so sleep and wait for them to 172 // called pass() or fail() 173 try 174 { 175 Thread.sleep( sleepTime ); 176 //Timed out, so fail the test 177 throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" ); 178 } 179 catch (InterruptedException e) 180 { 181 //The test harness may have interrupted the test. If so, rethrow the exception 182 // so that the harness gets it and deals with it. 183 if( ! testGeneratedInterrupt ) throw e; 184 185 //reset flag in case hit this code more than once for some reason (just safety) 186 testGeneratedInterrupt = false; 187 188 if ( theTestPassed == false ) 189 { 190 throw new RuntimeException( failureMessage ); 191 } 192 } 193 194 }//main 195 196 public static synchronized void setTimeoutTo( int seconds ) 197 { 198 sleepTime = seconds * 1000; 199 } 200 201 public static synchronized void pass() 202 { 203 System.out.println( "The test passed." ); 204 System.out.println( "The test is over, hit Ctl-C to stop Java VM" ); 205 //first check if this is executing in main thread 206 if ( mainThread == Thread.currentThread() ) 207 { 208 //Still in the main thread, so set the flag just for kicks, 209 // and throw a test passed exception which will be caught 210 // and end the test. 211 theTestPassed = true; 212 throw new TestPassedException(); 213 } 214 theTestPassed = true; 215 testGeneratedInterrupt = true; 216 mainThread.interrupt(); 217 }//pass() 218 219 public static synchronized void fail() 220 { 221 //test writer didn't specify why test failed, so give generic 222 fail( "it just plain failed! :-)" ); 223 } 224 225 public static synchronized void fail( String whyFailed ) 226 { 227 System.out.println( "The test failed: " + whyFailed ); 228 System.out.println( "The test is over, hit Ctl-C to stop Java VM" ); 229 //check if this called from main thread 230 if ( mainThread == Thread.currentThread() ) 231 { 232 //If main thread, fail now 'cause not sleeping 233 throw new RuntimeException( whyFailed ); 234 } 235 theTestPassed = false; 236 testGeneratedInterrupt = true; 237 failureMessage = whyFailed; 238 mainThread.interrupt(); 239 }//fail() 240 241 }// class AncestorResized 242 243 //This exception is used to exit from any level of call nesting 244 // when it's determined that the test has passed, and immediately 245 // end the test. 246 class TestPassedException extends RuntimeException 247 { 248 } 249 250 //*********** End Standard Test Machinery Section ********** 251 252 253 //************ Begin classes defined for the test **************** 254 255 // if want to make listeners, here is the recommended place for them, then instantiate 256 // them in init() 257 258 /* Example of a class which may be written as part of a test 259 class NewClass implements anInterface 260 { 261 static int newVar = 0; 262 263 public void eventDispatched(AWTEvent e) 264 { 265 //Counting events to see if we get enough 266 eventCount++; 267 268 if( eventCount == 20 ) 269 { 270 //got enough events, so pass 271 272 AncestorResized.pass(); 273 } 274 else if( tries == 20 ) 275 { 276 //tried too many times without getting enough events so fail 277 278 AncestorResized.fail(); 279 } 280 281 }// eventDispatched() 282 283 }// NewClass class 284 285 */ 286 287 288 //************** End classes defined for the test *******************