1 /*
2 * Copyright (c) 2007, 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
21 * questions.
22 */
23
24 /*
25 @test
26 @bug 6541903
27 @summary Tests if the realSync() throws the IllegalThreadException while invoked on the EDT
28 @author anthony.petrov: area=awt.toolkit
29 @modules java.desktop/sun.awt
30 @run main/timeout=10 RealSyncOnEDT
31 */
32
33
34 /**
35 * RealSyncOnEDT.java
36 *
37 * summary: Tests if the realSync() throws the IllegalThreadException while invoked on the EDT
38 */
39
40 import java.awt.*;
41 import java.awt.event.*;
42
43
44 public class RealSyncOnEDT
45 {
46 static Exception exceptionCaught = null;
47
48 private static void init()
49 {
50 String[] instructions =
51 {
52 "This is an AUTOMATIC test, simply wait until it is done.",
53 "The result (passed or failed) will be shown in the",
54 "message window below."
55 };
56 Sysout.createDialog( );
57 Sysout.printInstructions( instructions );
58
59
60 // Try to invoke the realSync() on the EDT
61 try {
62 EventQueue.invokeAndWait(new Runnable() {
63 public void run() {
64 Frame frame = new Frame("Test frame");
65
66 frame.setSize(100, 100);
67 frame.setVisible(true);
68
69 try {
70 ((sun.awt.SunToolkit)java.awt.Toolkit.getDefaultToolkit()).realSync();
71 } catch (Exception e) {
72 exceptionCaught = e;
73 }
74 }
75 });
76 } catch (InterruptedException e) {
77 e.printStackTrace();
78 fail("Unexpected exception caught: " + e);
79 return;
80 } catch (java.lang.reflect.InvocationTargetException e) {
81 e.printStackTrace();
82 fail("Unexpected exception caught: " + e);
83 return;
84 }
85
86 // We expect the IllegalThreadException to be thrown.
87 if (exceptionCaught == null) {
88 fail("No exception was thrown by the realSync() method.");
89 return;
90 } else if (!exceptionCaught.getClass().getName().equals("sun.awt.SunToolkit$IllegalThreadException")) {
91 exceptionCaught.printStackTrace();
92 fail("Unexpected exception caught while invoking the realSync(): " + exceptionCaught);
93 return;
94 }
95 pass();
96
97 }//End init()
98
99
100
101 /*****************************************************
102 * Standard Test Machinery Section
103 * DO NOT modify anything in this section -- it's a
104 * standard chunk of code which has all of the
105 * synchronisation necessary for the test harness.
106 * By keeping it the same in all tests, it is easier
107 * to read and understand someone else's test, as
108 * well as insuring that all tests behave correctly
109 * with the test harness.
110 * There is a section following this for test-
111 * classes
112 ******************************************************/
113 private static boolean theTestPassed = false;
114 private static boolean testGeneratedInterrupt = false;
115 private static String failureMessage = "";
116
117 private static Thread mainThread = null;
118
119 private static int sleepTime = 300000;
120
121 // Not sure about what happens if multiple of this test are
122 // instantiated in the same VM. Being static (and using
123 // static vars), it aint gonna work. Not worrying about
124 // it for now.
125 public static void main( String args[] ) throws InterruptedException
126 {
127 mainThread = Thread.currentThread();
128 try
129 {
130 init();
131 }
132 catch( TestPassedException e )
133 {
134 //The test passed, so just return from main and harness will
135 // interepret this return as a pass
136 return;
137 }
138 //At this point, neither test pass nor test fail has been
139 // called -- either would have thrown an exception and ended the
140 // test, so we know we have multiple threads.
141
142 //Test involves other threads, so sleep and wait for them to
143 // called pass() or fail()
144 try
145 {
146 Thread.sleep( sleepTime );
147 //Timed out, so fail the test
148 throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" );
149 }
150 catch (InterruptedException e)
151 {
152 //The test harness may have interrupted the test. If so, rethrow the exception
153 // so that the harness gets it and deals with it.
154 if( ! testGeneratedInterrupt ) throw e;
155
156 //reset flag in case hit this code more than once for some reason (just safety)
157 testGeneratedInterrupt = false;
158
159 if ( theTestPassed == false )
160 {
161 throw new RuntimeException( failureMessage );
162 }
163 }
164
165 }//main
166
167 public static synchronized void setTimeoutTo( int seconds )
168 {
169 sleepTime = seconds * 1000;
170 }
171
172 public static synchronized void pass()
173 {
174 Sysout.println( "The test passed." );
175 Sysout.println( "The test is over, hit Ctl-C to stop Java VM" );
176 //first check if this is executing in main thread
177 if ( mainThread == Thread.currentThread() )
178 {
179 //Still in the main thread, so set the flag just for kicks,
180 // and throw a test passed exception which will be caught
181 // and end the test.
182 theTestPassed = true;
183 throw new TestPassedException();
184 }
185 theTestPassed = true;
186 testGeneratedInterrupt = true;
187 mainThread.interrupt();
188 }//pass()
189
190 public static synchronized void fail()
191 {
192 //test writer didn't specify why test failed, so give generic
193 fail( "it just plain failed! :-)" );
194 }
195
196 public static synchronized void fail( String whyFailed )
197 {
198 Sysout.println( "The test failed: " + whyFailed );
199 Sysout.println( "The test is over, hit Ctl-C to stop Java VM" );
200 //check if this called from main thread
201 if ( mainThread == Thread.currentThread() )
202 {
203 //If main thread, fail now 'cause not sleeping
204 throw new RuntimeException( whyFailed );
205 }
206 theTestPassed = false;
207 testGeneratedInterrupt = true;
208 failureMessage = whyFailed;
209 mainThread.interrupt();
210 }//fail()
211
212 }// class RealSyncOnEDT
213
214 //This exception is used to exit from any level of call nesting
215 // when it's determined that the test has passed, and immediately
216 // end the test.
217 class TestPassedException extends RuntimeException
218 {
219 }
220
221 //*********** End Standard Test Machinery Section **********
222
223
224 //************ Begin classes defined for the test ****************
225
226 // if want to make listeners, here is the recommended place for them, then instantiate
227 // them in init()
228
229 /* Example of a class which may be written as part of a test
230 class NewClass implements anInterface
231 {
232 static int newVar = 0;
233
234 public void eventDispatched(AWTEvent e)
235 {
236 //Counting events to see if we get enough
237 eventCount++;
238
239 if( eventCount == 20 )
240 {
241 //got enough events, so pass
242
243 RealSyncOnEDT.pass();
244 }
245 else if( tries == 20 )
246 {
247 //tried too many times without getting enough events so fail
248
249 RealSyncOnEDT.fail();
250 }
251
252 }// eventDispatched()
253
254 }// NewClass class
255
256 */
257
258
259 //************** End classes defined for the test *******************
260
261
262
263
264 /****************************************************
265 Standard Test Machinery
266 DO NOT modify anything below -- it's a standard
267 chunk of code whose purpose is to make user
268 interaction uniform, and thereby make it simpler
269 to read and understand someone else's test.
270 ****************************************************/
271
272 /**
273 This is part of the standard test machinery.
274 It creates a dialog (with the instructions), and is the interface
275 for sending text messages to the user.
276 To print the instructions, send an array of strings to Sysout.createDialog
277 WithInstructions method. Put one line of instructions per array entry.
278 To display a message for the tester to see, simply call Sysout.println
279 with the string to be displayed.
280 This mimics System.out.println but works within the test harness as well
281 as standalone.
282 */
283
284 class Sysout
285 {
286 private static TestDialog dialog;
287
288 public static void createDialogWithInstructions( String[] instructions )
289 {
290 dialog = new TestDialog( new Frame(), "Instructions" );
291 dialog.printInstructions( instructions );
292 dialog.setVisible(true);
293 println( "Any messages for the tester will display here." );
294 }
295
296 public static void createDialog( )
297 {
298 dialog = new TestDialog( new Frame(), "Instructions" );
299 String[] defInstr = { "Instructions will appear here. ", "" } ;
300 dialog.printInstructions( defInstr );
301 dialog.setVisible(true);
302 println( "Any messages for the tester will display here." );
303 }
304
305
306 public static void printInstructions( String[] instructions )
307 {
308 dialog.printInstructions( instructions );
309 }
310
311
312 public static void println( String messageIn )
313 {
314 dialog.displayMessage( messageIn );
315 System.out.println(messageIn);
316 }
317
318 }// Sysout class
319
320 /**
321 This is part of the standard test machinery. It provides a place for the
322 test instructions to be displayed, and a place for interactive messages
323 to the user to be displayed.
324 To have the test instructions displayed, see Sysout.
325 To have a message to the user be displayed, see Sysout.
326 Do not call anything in this dialog directly.
327 */
328 class TestDialog extends Dialog
329 {
330
331 TextArea instructionsText;
332 TextArea messageText;
333 int maxStringLength = 80;
334
335 //DO NOT call this directly, go through Sysout
336 public TestDialog( Frame frame, String name )
337 {
338 super( frame, name );
339 int scrollBoth = TextArea.SCROLLBARS_BOTH;
340 instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
341 add( "North", instructionsText );
342
343 messageText = new TextArea( "", 5, maxStringLength, scrollBoth );
344 add("Center", messageText);
345
346 pack();
347
348 setVisible(true);
349 }// TestDialog()
350
351 //DO NOT call this directly, go through Sysout
352 public void printInstructions( String[] instructions )
353 {
354 //Clear out any current instructions
355 instructionsText.setText( "" );
356
357 //Go down array of instruction strings
358
359 String printStr, remainingStr;
360 for( int i=0; i < instructions.length; i++ )
361 {
362 //chop up each into pieces maxSringLength long
363 remainingStr = instructions[ i ];
364 while( remainingStr.length() > 0 )
365 {
366 //if longer than max then chop off first max chars to print
367 if( remainingStr.length() >= maxStringLength )
368 {
369 //Try to chop on a word boundary
370 int posOfSpace = remainingStr.
371 lastIndexOf( ' ', maxStringLength - 1 );
372
373 if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;
374
375 printStr = remainingStr.substring( 0, posOfSpace + 1 );
376 remainingStr = remainingStr.substring( posOfSpace + 1 );
377 }
378 //else just print
379 else
380 {
381 printStr = remainingStr;
382 remainingStr = "";
383 }
384
385 instructionsText.append( printStr + "\n" );
386
387 }// while
388
389 }// for
390
391 }//printInstructions()
392
393 //DO NOT call this directly, go through Sysout
394 public void displayMessage( String messageIn )
395 {
396 messageText.append( messageIn + "\n" );
397 System.out.println(messageIn);
398 }
399
400 }// TestDialog class