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