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root/jsr166/jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java

Comparing jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java (file contents):
Revision 1.25 by jsr166, Tue Nov 17 13:40:14 2009 UTC vs.
Revision 1.26 by jsr166, Wed Nov 18 08:22:57 2009 UTC

#	Line 125 | Line 125 | public class AbstractQueuedSynchronizerT
125		/**
126		* hasQueuedThreads reports whether there are waiting threads
127		*/
128	<	public void testhasQueuedThreads() {
128	>	public void testhasQueuedThreads() throws InterruptedException {
129		final Mutex sync = new Mutex();
130		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
131		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
132	<	try {
133	<	assertFalse(sync.hasQueuedThreads());
134	<	sync.acquire(1);
135	<	t1.start();
136	<	Thread.sleep(SHORT_DELAY_MS);
137	<	assertTrue(sync.hasQueuedThreads());
138	<	t2.start();
139	<	Thread.sleep(SHORT_DELAY_MS);
140	<	assertTrue(sync.hasQueuedThreads());
141	<	t1.interrupt();
142	<	Thread.sleep(SHORT_DELAY_MS);
143	<	assertTrue(sync.hasQueuedThreads());
144	<	sync.release(1);
145	<	Thread.sleep(SHORT_DELAY_MS);
146	<	assertFalse(sync.hasQueuedThreads());
147	<	t1.join();
148	<	t2.join();
149	<	} catch (Exception e) {
150	<	unexpectedException();
151	<	}
132	>	assertFalse(sync.hasQueuedThreads());
133	>	sync.acquire(1);
134	>	t1.start();
135	>	Thread.sleep(SHORT_DELAY_MS);
136	>	assertTrue(sync.hasQueuedThreads());
137	>	t2.start();
138	>	Thread.sleep(SHORT_DELAY_MS);
139	>	assertTrue(sync.hasQueuedThreads());
140	>	t1.interrupt();
141	>	Thread.sleep(SHORT_DELAY_MS);
142	>	assertTrue(sync.hasQueuedThreads());
143	>	sync.release(1);
144	>	Thread.sleep(SHORT_DELAY_MS);
145	>	assertFalse(sync.hasQueuedThreads());
146	>	t1.join();
147	>	t2.join();
148		}
149
150		/**
#	Line 159 | Line 155 | public class AbstractQueuedSynchronizerT
155		try {
156		sync.isQueued(null);
157		shouldThrow();
158	<	} catch (NullPointerException success) {
163	<	}
158	>	} catch (NullPointerException success) {}
159		}
160
161		/**
162		* isQueued reports whether a thread is queued.
163		*/
164	<	public void testIsQueued() {
164	>	public void testIsQueued() throws InterruptedException {
165		final Mutex sync = new Mutex();
166		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
167		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
168	<	try {
169	<	assertFalse(sync.isQueued(t1));
170	<	assertFalse(sync.isQueued(t2));
171	<	sync.acquire(1);
172	<	t1.start();
173	<	Thread.sleep(SHORT_DELAY_MS);
174	<	assertTrue(sync.isQueued(t1));
175	<	t2.start();
176	<	Thread.sleep(SHORT_DELAY_MS);
177	<	assertTrue(sync.isQueued(t1));
178	<	assertTrue(sync.isQueued(t2));
179	<	t1.interrupt();
180	<	Thread.sleep(SHORT_DELAY_MS);
181	<	assertFalse(sync.isQueued(t1));
182	<	assertTrue(sync.isQueued(t2));
183	<	sync.release(1);
184	<	Thread.sleep(SHORT_DELAY_MS);
185	<	assertFalse(sync.isQueued(t1));
186	<	Thread.sleep(SHORT_DELAY_MS);
187	<	assertFalse(sync.isQueued(t2));
188	<	t1.join();
194	<	t2.join();
195	<	} catch (Exception e) {
196	<	unexpectedException();
197	<	}
168	>	assertFalse(sync.isQueued(t1));
169	>	assertFalse(sync.isQueued(t2));
170	>	sync.acquire(1);
171	>	t1.start();
172	>	Thread.sleep(SHORT_DELAY_MS);
173	>	assertTrue(sync.isQueued(t1));
174	>	t2.start();
175	>	Thread.sleep(SHORT_DELAY_MS);
176	>	assertTrue(sync.isQueued(t1));
177	>	assertTrue(sync.isQueued(t2));
178	>	t1.interrupt();
179	>	Thread.sleep(SHORT_DELAY_MS);
180	>	assertFalse(sync.isQueued(t1));
181	>	assertTrue(sync.isQueued(t2));
182	>	sync.release(1);
183	>	Thread.sleep(SHORT_DELAY_MS);
184	>	assertFalse(sync.isQueued(t1));
185	>	Thread.sleep(SHORT_DELAY_MS);
186	>	assertFalse(sync.isQueued(t2));
187	>	t1.join();
188	>	t2.join();
189		}
190
191		/**
192		* getFirstQueuedThread returns first waiting thread or null if none
193		*/
194	<	public void testGetFirstQueuedThread() {
194	>	public void testGetFirstQueuedThread() throws InterruptedException {
195		final Mutex sync = new Mutex();
196		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
197		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
198	<	try {
199	<	assertNull(sync.getFirstQueuedThread());
200	<	sync.acquire(1);
201	<	t1.start();
202	<	Thread.sleep(SHORT_DELAY_MS);
203	<	assertEquals(t1, sync.getFirstQueuedThread());
204	<	t2.start();
205	<	Thread.sleep(SHORT_DELAY_MS);
206	<	assertEquals(t1, sync.getFirstQueuedThread());
207	<	t1.interrupt();
208	<	Thread.sleep(SHORT_DELAY_MS);
209	<	Thread.sleep(SHORT_DELAY_MS);
210	<	assertEquals(t2, sync.getFirstQueuedThread());
211	<	sync.release(1);
212	<	Thread.sleep(SHORT_DELAY_MS);
213	<	assertNull(sync.getFirstQueuedThread());
214	<	t1.join();
224	<	t2.join();
225	<	} catch (Exception e) {
226	<	unexpectedException();
227	<	}
198	>	assertNull(sync.getFirstQueuedThread());
199	>	sync.acquire(1);
200	>	t1.start();
201	>	Thread.sleep(SHORT_DELAY_MS);
202	>	assertEquals(t1, sync.getFirstQueuedThread());
203	>	t2.start();
204	>	Thread.sleep(SHORT_DELAY_MS);
205	>	assertEquals(t1, sync.getFirstQueuedThread());
206	>	t1.interrupt();
207	>	Thread.sleep(SHORT_DELAY_MS);
208	>	Thread.sleep(SHORT_DELAY_MS);
209	>	assertEquals(t2, sync.getFirstQueuedThread());
210	>	sync.release(1);
211	>	Thread.sleep(SHORT_DELAY_MS);
212	>	assertNull(sync.getFirstQueuedThread());
213	>	t1.join();
214	>	t2.join();
215		}
216
217
218		/**
219		* hasContended reports false if no thread has ever blocked, else true
220		*/
221	<	public void testHasContended() {
221	>	public void testHasContended() throws InterruptedException {
222		final Mutex sync = new Mutex();
223		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
224		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
225	<	try {
226	<	assertFalse(sync.hasContended());
227	<	sync.acquire(1);
228	<	t1.start();
229	<	Thread.sleep(SHORT_DELAY_MS);
230	<	assertTrue(sync.hasContended());
231	<	t2.start();
232	<	Thread.sleep(SHORT_DELAY_MS);
233	<	assertTrue(sync.hasContended());
234	<	t1.interrupt();
235	<	Thread.sleep(SHORT_DELAY_MS);
236	<	assertTrue(sync.hasContended());
237	<	sync.release(1);
238	<	Thread.sleep(SHORT_DELAY_MS);
239	<	assertTrue(sync.hasContended());
240	<	t1.join();
254	<	t2.join();
255	<	} catch (Exception e) {
256	<	unexpectedException();
257	<	}
225	>	assertFalse(sync.hasContended());
226	>	sync.acquire(1);
227	>	t1.start();
228	>	Thread.sleep(SHORT_DELAY_MS);
229	>	assertTrue(sync.hasContended());
230	>	t2.start();
231	>	Thread.sleep(SHORT_DELAY_MS);
232	>	assertTrue(sync.hasContended());
233	>	t1.interrupt();
234	>	Thread.sleep(SHORT_DELAY_MS);
235	>	assertTrue(sync.hasContended());
236	>	sync.release(1);
237	>	Thread.sleep(SHORT_DELAY_MS);
238	>	assertTrue(sync.hasContended());
239	>	t1.join();
240	>	t2.join();
241		}
242
243		/**
244		* getQueuedThreads includes waiting threads
245		*/
246	<	public void testGetQueuedThreads() {
246	>	public void testGetQueuedThreads() throws InterruptedException {
247		final Mutex sync = new Mutex();
248		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
249		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
250	<	try {
251	<	assertTrue(sync.getQueuedThreads().isEmpty());
252	<	sync.acquire(1);
253	<	assertTrue(sync.getQueuedThreads().isEmpty());
254	<	t1.start();
255	<	Thread.sleep(SHORT_DELAY_MS);
256	<	assertTrue(sync.getQueuedThreads().contains(t1));
257	<	t2.start();
258	<	Thread.sleep(SHORT_DELAY_MS);
259	<	assertTrue(sync.getQueuedThreads().contains(t1));
260	<	assertTrue(sync.getQueuedThreads().contains(t2));
261	<	t1.interrupt();
262	<	Thread.sleep(SHORT_DELAY_MS);
263	<	assertFalse(sync.getQueuedThreads().contains(t1));
264	<	assertTrue(sync.getQueuedThreads().contains(t2));
265	<	sync.release(1);
266	<	Thread.sleep(SHORT_DELAY_MS);
267	<	assertTrue(sync.getQueuedThreads().isEmpty());
268	<	t1.join();
286	<	t2.join();
287	<	} catch (Exception e) {
288	<	unexpectedException();
289	<	}
250	>	assertTrue(sync.getQueuedThreads().isEmpty());
251	>	sync.acquire(1);
252	>	assertTrue(sync.getQueuedThreads().isEmpty());
253	>	t1.start();
254	>	Thread.sleep(SHORT_DELAY_MS);
255	>	assertTrue(sync.getQueuedThreads().contains(t1));
256	>	t2.start();
257	>	Thread.sleep(SHORT_DELAY_MS);
258	>	assertTrue(sync.getQueuedThreads().contains(t1));
259	>	assertTrue(sync.getQueuedThreads().contains(t2));
260	>	t1.interrupt();
261	>	Thread.sleep(SHORT_DELAY_MS);
262	>	assertFalse(sync.getQueuedThreads().contains(t1));
263	>	assertTrue(sync.getQueuedThreads().contains(t2));
264	>	sync.release(1);
265	>	Thread.sleep(SHORT_DELAY_MS);
266	>	assertTrue(sync.getQueuedThreads().isEmpty());
267	>	t1.join();
268	>	t2.join();
269		}
270
271		/**
272		* getExclusiveQueuedThreads includes waiting threads
273		*/
274	<	public void testGetExclusiveQueuedThreads() {
274	>	public void testGetExclusiveQueuedThreads() throws InterruptedException {
275		final Mutex sync = new Mutex();
276		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
277		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
278	<	try {
279	<	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
280	<	sync.acquire(1);
281	<	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
282	<	t1.start();
283	<	Thread.sleep(SHORT_DELAY_MS);
284	<	assertTrue(sync.getExclusiveQueuedThreads().contains(t1));
285	<	t2.start();
286	<	Thread.sleep(SHORT_DELAY_MS);
287	<	assertTrue(sync.getExclusiveQueuedThreads().contains(t1));
288	<	assertTrue(sync.getExclusiveQueuedThreads().contains(t2));
289	<	t1.interrupt();
290	<	Thread.sleep(SHORT_DELAY_MS);
291	<	assertFalse(sync.getExclusiveQueuedThreads().contains(t1));
292	<	assertTrue(sync.getExclusiveQueuedThreads().contains(t2));
293	<	sync.release(1);
294	<	Thread.sleep(SHORT_DELAY_MS);
295	<	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
296	<	t1.join();
318	<	t2.join();
319	<	} catch (Exception e) {
320	<	unexpectedException();
321	<	}
278	>	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
279	>	sync.acquire(1);
280	>	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
281	>	t1.start();
282	>	Thread.sleep(SHORT_DELAY_MS);
283	>	assertTrue(sync.getExclusiveQueuedThreads().contains(t1));
284	>	t2.start();
285	>	Thread.sleep(SHORT_DELAY_MS);
286	>	assertTrue(sync.getExclusiveQueuedThreads().contains(t1));
287	>	assertTrue(sync.getExclusiveQueuedThreads().contains(t2));
288	>	t1.interrupt();
289	>	Thread.sleep(SHORT_DELAY_MS);
290	>	assertFalse(sync.getExclusiveQueuedThreads().contains(t1));
291	>	assertTrue(sync.getExclusiveQueuedThreads().contains(t2));
292	>	sync.release(1);
293	>	Thread.sleep(SHORT_DELAY_MS);
294	>	assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
295	>	t1.join();
296	>	t2.join();
297		}
298
299		/**
300		* getSharedQueuedThreads does not include exclusively waiting threads
301		*/
302	<	public void testGetSharedQueuedThreads() {
302	>	public void testGetSharedQueuedThreads() throws InterruptedException {
303		final Mutex sync = new Mutex();
304		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
305		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
306	<	try {
307	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
308	<	sync.acquire(1);
309	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
310	<	t1.start();
311	<	Thread.sleep(SHORT_DELAY_MS);
312	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
313	<	t2.start();
314	<	Thread.sleep(SHORT_DELAY_MS);
315	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
316	<	t1.interrupt();
317	<	Thread.sleep(SHORT_DELAY_MS);
318	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
319	<	sync.release(1);
320	<	Thread.sleep(SHORT_DELAY_MS);
321	<	assertTrue(sync.getSharedQueuedThreads().isEmpty());
322	<	t1.join();
348	<	t2.join();
349	<	} catch (Exception e) {
350	<	unexpectedException();
351	<	}
306	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
307	>	sync.acquire(1);
308	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
309	>	t1.start();
310	>	Thread.sleep(SHORT_DELAY_MS);
311	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
312	>	t2.start();
313	>	Thread.sleep(SHORT_DELAY_MS);
314	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
315	>	t1.interrupt();
316	>	Thread.sleep(SHORT_DELAY_MS);
317	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
318	>	sync.release(1);
319	>	Thread.sleep(SHORT_DELAY_MS);
320	>	assertTrue(sync.getSharedQueuedThreads().isEmpty());
321	>	t1.join();
322	>	t2.join();
323		}
324
325		/**
#	Line 365 | Line 336 | public class AbstractQueuedSynchronizerT
336		} catch (InterruptedException success) {}
337		}
338		});
339	<	try {
340	<	t.start();
341	<	t.interrupt();
371	<	} catch (Exception e) {
372	<	unexpectedException();
373	<	}
339	>
340	>	t.start();
341	>	t.interrupt();
342		}
343
344
345		/**
346		* TryAcquire on exclusively held sync fails
347		*/
348	<	public void testTryAcquireWhenSynced() {
348	>	public void testTryAcquireWhenSynced() throws InterruptedException {
349		final Mutex sync = new Mutex();
350		sync.acquire(1);
351		Thread t = new Thread(new Runnable() {
#	Line 385 | Line 353 | public class AbstractQueuedSynchronizerT
353		threadAssertFalse(sync.tryAcquire(1));
354		}
355		});
356	<	try {
357	<	t.start();
358	<	t.join();
359	<	sync.release(1);
392	<	} catch (Exception e) {
393	<	unexpectedException();
394	<	}
356	>
357	>	t.start();
358	>	t.join();
359	>	sync.release(1);
360		}
361
362		/**
363		* tryAcquireNanos on an exclusively held sync times out
364		*/
365	<	public void testAcquireNanos_Timeout() {
365	>	public void testAcquireNanos_Timeout() throws InterruptedException {
366		final Mutex sync = new Mutex();
367		sync.acquire(1);
368		Thread t = new Thread(new Runnable() {
#	Line 409 | Line 374 | public class AbstractQueuedSynchronizerT
374		}
375		}
376		});
377	<	try {
378	<	t.start();
379	<	t.join();
380	<	sync.release(1);
416	<	} catch (Exception e) {
417	<	unexpectedException();
418	<	}
377	>
378	>	t.start();
379	>	t.join();
380	>	sync.release(1);
381		}
382
383
384		/**
385		* getState is true when acquired and false when not
386		*/
387	<	public void testGetState() {
387	>	public void testGetState() throws InterruptedException {
388		final Mutex sync = new Mutex();
389		sync.acquire(1);
390		assertTrue(sync.isHeldExclusively());
#	Line 440 | Line 402 | public class AbstractQueuedSynchronizerT
402		sync.release(1);
403		}
404		});
405	<	try {
406	<	t.start();
407	<	Thread.sleep(SHORT_DELAY_MS);
408	<	assertTrue(sync.isHeldExclusively());
409	<	t.join();
410	<	assertFalse(sync.isHeldExclusively());
449	<	} catch (Exception e) {
450	<	unexpectedException();
451	<	}
405	>
406	>	t.start();
407	>	Thread.sleep(SHORT_DELAY_MS);
408	>	assertTrue(sync.isHeldExclusively());
409	>	t.join();
410	>	assertFalse(sync.isHeldExclusively());
411		}
412
413
414		/**
415		* acquireInterruptibly is interruptible.
416		*/
417	<	public void testAcquireInterruptibly1() {
417	>	public void testAcquireInterruptibly1() throws InterruptedException {
418		final Mutex sync = new Mutex();
419		sync.acquire(1);
420		Thread t = new Thread(new InterruptedSyncRunnable(sync));
421	<	try {
422	<	t.start();
423	<	Thread.sleep(SHORT_DELAY_MS);
424	<	t.interrupt();
425	<	Thread.sleep(SHORT_DELAY_MS);
426	<	sync.release(1);
427	<	t.join();
469	<	} catch (Exception e) {
470	<	unexpectedException();
471	<	}
421	>
422	>	t.start();
423	>	Thread.sleep(SHORT_DELAY_MS);
424	>	t.interrupt();
425	>	Thread.sleep(SHORT_DELAY_MS);
426	>	sync.release(1);
427	>	t.join();
428		}
429
430		/**
431		* acquireInterruptibly succeeds when released, else is interruptible
432		*/
433	<	public void testAcquireInterruptibly2() {
433	>	public void testAcquireInterruptibly2() throws InterruptedException {
434		final Mutex sync = new Mutex();
435	<	try {
480	<	sync.acquireInterruptibly(1);
481	<	} catch (Exception e) {
482	<	unexpectedException();
483	<	}
435	>	sync.acquireInterruptibly(1);
436		Thread t = new Thread(new InterruptedSyncRunnable(sync));
437	<	try {
438	<	t.start();
439	<	t.interrupt();
440	<	assertTrue(sync.isHeldExclusively());
489	<	t.join();
490	<	} catch (Exception e) {
491	<	unexpectedException();
492	<	}
437	>	t.start();
438	>	t.interrupt();
439	>	assertTrue(sync.isHeldExclusively());
440	>	t.join();
441		}
442
443		/**
#	Line 506 | Line 454 | public class AbstractQueuedSynchronizerT
454		/**
455		* Calling await without holding sync throws IllegalMonitorStateException
456		*/
457	<	public void testAwait_IllegalMonitor() {
457	>	public void testAwait_IllegalMonitor() throws InterruptedException {
458		final Mutex sync = new Mutex();
459		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
460		try {
461		c.await();
462		shouldThrow();
463		}
464	<	catch (IllegalMonitorStateException success) {
517	<	}
518	<	catch (Exception ex) {
519	<	unexpectedException();
520	<	}
464	>	catch (IllegalMonitorStateException success) {}
465		}
466
467		/**
#	Line 530 | Line 474 | public class AbstractQueuedSynchronizerT
474		c.signal();
475		shouldThrow();
476		}
477	<	catch (IllegalMonitorStateException success) {
534	<	}
535	<	catch (Exception ex) {
536	<	unexpectedException();
537	<	}
477	>	catch (IllegalMonitorStateException success) {}
478		}
479
480		/**
481		* awaitNanos without a signal times out
482		*/
483	<	public void testAwaitNanos_Timeout() {
483	>	public void testAwaitNanos_Timeout() throws InterruptedException {
484		final Mutex sync = new Mutex();
485		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
486	<	try {
487	<	sync.acquire(1);
488	<	long t = c.awaitNanos(100);
489	<	assertTrue(t <= 0);
550	<	sync.release(1);
551	<	}
552	<	catch (Exception ex) {
553	<	unexpectedException();
554	<	}
486	>	sync.acquire(1);
487	>	long t = c.awaitNanos(100);
488	>	assertTrue(t <= 0);
489	>	sync.release(1);
490		}
491
492		/**
493		*  Timed await without a signal times out
494		*/
495	<	public void testAwait_Timeout() {
495	>	public void testAwait_Timeout() throws InterruptedException {
496		final Mutex sync = new Mutex();
497		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
498	<	try {
499	<	sync.acquire(1);
500	<	assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
566	<	sync.release(1);
567	<	}
568	<	catch (Exception ex) {
569	<	unexpectedException();
570	<	}
498	>	sync.acquire(1);
499	>	assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
500	>	sync.release(1);
501		}
502
503		/**
504		* awaitUntil without a signal times out
505		*/
506	<	public void testAwaitUntil_Timeout() {
506	>	public void testAwaitUntil_Timeout() throws InterruptedException {
507		final Mutex sync = new Mutex();
508		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
509	<	try {
510	<	sync.acquire(1);
511	<	java.util.Date d = new java.util.Date();
512	<	assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10)));
583	<	sync.release(1);
584	<	}
585	<	catch (Exception ex) {
586	<	unexpectedException();
587	<	}
509	>	sync.acquire(1);
510	>	java.util.Date d = new java.util.Date();
511	>	assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + 10)));
512	>	sync.release(1);
513		}
514
515		/**
516		* await returns when signalled
517		*/
518	<	public void testAwait() {
518	>	public void testAwait() throws InterruptedException {
519		final Mutex sync = new Mutex();
520		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
521		Thread t = new Thread(new Runnable() {
#	Line 606 | Line 531 | public class AbstractQueuedSynchronizerT
531		}
532		});
533
534	<	try {
535	<	t.start();
536	<	Thread.sleep(SHORT_DELAY_MS);
537	<	sync.acquire(1);
538	<	c.signal();
539	<	sync.release(1);
540	<	t.join(SHORT_DELAY_MS);
616	<	assertFalse(t.isAlive());
617	<	}
618	<	catch (Exception ex) {
619	<	unexpectedException();
620	<	}
534	>	t.start();
535	>	Thread.sleep(SHORT_DELAY_MS);
536	>	sync.acquire(1);
537	>	c.signal();
538	>	sync.release(1);
539	>	t.join(SHORT_DELAY_MS);
540	>	assertFalse(t.isAlive());
541		}
542
543
#	Line 630 | Line 550 | public class AbstractQueuedSynchronizerT
550		try {
551		sync.hasWaiters(null);
552		shouldThrow();
553	<	} catch (NullPointerException success) {
634	<	} catch (Exception ex) {
635	<	unexpectedException();
636	<	}
553	>	} catch (NullPointerException success) {}
554		}
555
556		/**
#	Line 644 | Line 561 | public class AbstractQueuedSynchronizerT
561		try {
562		sync.getWaitQueueLength(null);
563		shouldThrow();
564	<	} catch (NullPointerException success) {
648	<	} catch (Exception ex) {
649	<	unexpectedException();
650	<	}
564	>	} catch (NullPointerException success) {}
565		}
566
567
#	Line 659 | Line 573 | public class AbstractQueuedSynchronizerT
573		try {
574		sync.getWaitingThreads(null);
575		shouldThrow();
576	<	} catch (NullPointerException success) {
663	<	} catch (Exception ex) {
664	<	unexpectedException();
665	<	}
576	>	} catch (NullPointerException success) {}
577		}
578
579
#	Line 676 | Line 587 | public class AbstractQueuedSynchronizerT
587		try {
588		sync2.hasWaiters(c);
589		shouldThrow();
590	<	} catch (IllegalArgumentException success) {
680	<	} catch (Exception ex) {
681	<	unexpectedException();
682	<	}
590	>	} catch (IllegalArgumentException success) {}
591		}
592
593		/**
#	Line 691 | Line 599 | public class AbstractQueuedSynchronizerT
599		try {
600		sync.hasWaiters(c);
601		shouldThrow();
602	<	} catch (IllegalMonitorStateException success) {
695	<	} catch (Exception ex) {
696	<	unexpectedException();
697	<	}
602	>	} catch (IllegalMonitorStateException success) {}
603		}
604
605
#	Line 708 | Line 613 | public class AbstractQueuedSynchronizerT
613		try {
614		sync2.getWaitQueueLength(c);
615		shouldThrow();
616	<	} catch (IllegalArgumentException success) {
712	<	} catch (Exception ex) {
713	<	unexpectedException();
714	<	}
616	>	} catch (IllegalArgumentException success) {}
617		}
618
619		/**
#	Line 723 | Line 625 | public class AbstractQueuedSynchronizerT
625		try {
626		sync.getWaitQueueLength(c);
627		shouldThrow();
628	<	} catch (IllegalMonitorStateException success) {
727	<	} catch (Exception ex) {
728	<	unexpectedException();
729	<	}
628	>	} catch (IllegalMonitorStateException success) {}
629		}
630
631
#	Line 740 | Line 639 | public class AbstractQueuedSynchronizerT
639		try {
640		sync2.getWaitingThreads(c);
641		shouldThrow();
642	<	} catch (IllegalArgumentException success) {
744	<	} catch (Exception ex) {
745	<	unexpectedException();
746	<	}
642	>	} catch (IllegalArgumentException success) {}
643		}
644
645		/**
#	Line 755 | Line 651 | public class AbstractQueuedSynchronizerT
651		try {
652		sync.getWaitingThreads(c);
653		shouldThrow();
654	<	} catch (IllegalMonitorStateException success) {
759	<	} catch (Exception ex) {
760	<	unexpectedException();
761	<	}
654	>	} catch (IllegalMonitorStateException success) {}
655		}
656
657
#	Line 766 | Line 659 | public class AbstractQueuedSynchronizerT
659		/**
660		* hasWaiters returns true when a thread is waiting, else false
661		*/
662	<	public void testHasWaiters() {
662	>	public void testHasWaiters() throws InterruptedException {
663		final Mutex sync = new Mutex();
664		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
665		Thread t = new Thread(new Runnable() {
#	Line 784 | Line 677 | public class AbstractQueuedSynchronizerT
677		}
678		});
679
680	<	try {
681	<	t.start();
682	<	Thread.sleep(SHORT_DELAY_MS);
683	<	sync.acquire(1);
684	<	assertTrue(sync.hasWaiters(c));
685	<	assertEquals(1, sync.getWaitQueueLength(c));
686	<	c.signal();
687	<	sync.release(1);
688	<	Thread.sleep(SHORT_DELAY_MS);
689	<	sync.acquire(1);
690	<	assertFalse(sync.hasWaiters(c));
691	<	assertEquals(0, sync.getWaitQueueLength(c));
692	<	sync.release(1);
693	<	t.join(SHORT_DELAY_MS);
801	<	assertFalse(t.isAlive());
802	<	}
803	<	catch (Exception ex) {
804	<	unexpectedException();
805	<	}
680	>	t.start();
681	>	Thread.sleep(SHORT_DELAY_MS);
682	>	sync.acquire(1);
683	>	assertTrue(sync.hasWaiters(c));
684	>	assertEquals(1, sync.getWaitQueueLength(c));
685	>	c.signal();
686	>	sync.release(1);
687	>	Thread.sleep(SHORT_DELAY_MS);
688	>	sync.acquire(1);
689	>	assertFalse(sync.hasWaiters(c));
690	>	assertEquals(0, sync.getWaitQueueLength(c));
691	>	sync.release(1);
692	>	t.join(SHORT_DELAY_MS);
693	>	assertFalse(t.isAlive());
694		}
695
696		/**
697		* getWaitQueueLength returns number of waiting threads
698		*/
699	<	public void testGetWaitQueueLength() {
699	>	public void testGetWaitQueueLength() throws InterruptedException {
700		final Mutex sync = new Mutex();
701		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
702		Thread t1 = new Thread(new Runnable() {
#	Line 841 | Line 729 | public class AbstractQueuedSynchronizerT
729		}
730		});
731
732	<	try {
733	<	t1.start();
734	<	Thread.sleep(SHORT_DELAY_MS);
735	<	t2.start();
736	<	Thread.sleep(SHORT_DELAY_MS);
737	<	sync.acquire(1);
738	<	assertTrue(sync.hasWaiters(c));
739	<	assertEquals(2, sync.getWaitQueueLength(c));
740	<	c.signalAll();
741	<	sync.release(1);
742	<	Thread.sleep(SHORT_DELAY_MS);
743	<	sync.acquire(1);
744	<	assertFalse(sync.hasWaiters(c));
745	<	assertEquals(0, sync.getWaitQueueLength(c));
746	<	sync.release(1);
747	<	t1.join(SHORT_DELAY_MS);
748	<	t2.join(SHORT_DELAY_MS);
749	<	assertFalse(t1.isAlive());
862	<	assertFalse(t2.isAlive());
863	<	}
864	<	catch (Exception ex) {
865	<	unexpectedException();
866	<	}
732	>	t1.start();
733	>	Thread.sleep(SHORT_DELAY_MS);
734	>	t2.start();
735	>	Thread.sleep(SHORT_DELAY_MS);
736	>	sync.acquire(1);
737	>	assertTrue(sync.hasWaiters(c));
738	>	assertEquals(2, sync.getWaitQueueLength(c));
739	>	c.signalAll();
740	>	sync.release(1);
741	>	Thread.sleep(SHORT_DELAY_MS);
742	>	sync.acquire(1);
743	>	assertFalse(sync.hasWaiters(c));
744	>	assertEquals(0, sync.getWaitQueueLength(c));
745	>	sync.release(1);
746	>	t1.join(SHORT_DELAY_MS);
747	>	t2.join(SHORT_DELAY_MS);
748	>	assertFalse(t1.isAlive());
749	>	assertFalse(t2.isAlive());
750		}
751
752		/**
753		* getWaitingThreads returns only and all waiting threads
754		*/
755	<	public void testGetWaitingThreads() {
755	>	public void testGetWaitingThreads() throws InterruptedException {
756		final Mutex sync = new Mutex();
757		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
758		Thread t1 = new Thread(new Runnable() {
#	Line 900 | Line 783 | public class AbstractQueuedSynchronizerT
783		}
784		});
785
786	<	try {
787	<	sync.acquire(1);
788	<	assertTrue(sync.getWaitingThreads(c).isEmpty());
789	<	sync.release(1);
790	<	t1.start();
791	<	Thread.sleep(SHORT_DELAY_MS);
792	<	t2.start();
793	<	Thread.sleep(SHORT_DELAY_MS);
794	<	sync.acquire(1);
795	<	assertTrue(sync.hasWaiters(c));
796	<	assertTrue(sync.getWaitingThreads(c).contains(t1));
797	<	assertTrue(sync.getWaitingThreads(c).contains(t2));
798	<	c.signalAll();
799	<	sync.release(1);
800	<	Thread.sleep(SHORT_DELAY_MS);
801	<	sync.acquire(1);
802	<	assertFalse(sync.hasWaiters(c));
803	<	assertTrue(sync.getWaitingThreads(c).isEmpty());
804	<	sync.release(1);
805	<	t1.join(SHORT_DELAY_MS);
806	<	t2.join(SHORT_DELAY_MS);
807	<	assertFalse(t1.isAlive());
925	<	assertFalse(t2.isAlive());
926	<	}
927	<	catch (Exception ex) {
928	<	unexpectedException();
929	<	}
786	>	sync.acquire(1);
787	>	assertTrue(sync.getWaitingThreads(c).isEmpty());
788	>	sync.release(1);
789	>	t1.start();
790	>	Thread.sleep(SHORT_DELAY_MS);
791	>	t2.start();
792	>	Thread.sleep(SHORT_DELAY_MS);
793	>	sync.acquire(1);
794	>	assertTrue(sync.hasWaiters(c));
795	>	assertTrue(sync.getWaitingThreads(c).contains(t1));
796	>	assertTrue(sync.getWaitingThreads(c).contains(t2));
797	>	c.signalAll();
798	>	sync.release(1);
799	>	Thread.sleep(SHORT_DELAY_MS);
800	>	sync.acquire(1);
801	>	assertFalse(sync.hasWaiters(c));
802	>	assertTrue(sync.getWaitingThreads(c).isEmpty());
803	>	sync.release(1);
804	>	t1.join(SHORT_DELAY_MS);
805	>	t2.join(SHORT_DELAY_MS);
806	>	assertFalse(t1.isAlive());
807	>	assertFalse(t2.isAlive());
808		}
809
810
#	Line 934 | Line 812 | public class AbstractQueuedSynchronizerT
812		/**
813		* awaitUninterruptibly doesn't abort on interrupt
814		*/
815	<	public void testAwaitUninterruptibly() {
815	>	public void testAwaitUninterruptibly() throws InterruptedException {
816		final Mutex sync = new Mutex();
817		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
818		Thread t = new Thread(new Runnable() {
#	Line 945 | Line 823 | public class AbstractQueuedSynchronizerT
823		}
824		});
825
826	<	try {
827	<	t.start();
828	<	Thread.sleep(SHORT_DELAY_MS);
829	<	t.interrupt();
830	<	sync.acquire(1);
831	<	c.signal();
832	<	sync.release(1);
833	<	t.join(SHORT_DELAY_MS);
956	<	assertFalse(t.isAlive());
957	<	}
958	<	catch (Exception ex) {
959	<	unexpectedException();
960	<	}
826	>	t.start();
827	>	Thread.sleep(SHORT_DELAY_MS);
828	>	t.interrupt();
829	>	sync.acquire(1);
830	>	c.signal();
831	>	sync.release(1);
832	>	t.join(SHORT_DELAY_MS);
833	>	assertFalse(t.isAlive());
834		}
835
836		/**
837		* await is interruptible
838		*/
839	<	public void testAwait_Interrupt() {
839	>	public void testAwait_Interrupt() throws InterruptedException {
840		final Mutex sync = new Mutex();
841		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
842		Thread t = new Thread(new Runnable() {
#	Line 979 | Line 852 | public class AbstractQueuedSynchronizerT
852		}
853		});
854
855	<	try {
856	<	t.start();
857	<	Thread.sleep(SHORT_DELAY_MS);
858	<	t.interrupt();
859	<	t.join(SHORT_DELAY_MS);
987	<	assertFalse(t.isAlive());
988	<	}
989	<	catch (Exception ex) {
990	<	unexpectedException();
991	<	}
855	>	t.start();
856	>	Thread.sleep(SHORT_DELAY_MS);
857	>	t.interrupt();
858	>	t.join(SHORT_DELAY_MS);
859	>	assertFalse(t.isAlive());
860		}
861
862		/**
863		* awaitNanos is interruptible
864		*/
865	<	public void testAwaitNanos_Interrupt() {
865	>	public void testAwaitNanos_Interrupt() throws InterruptedException {
866		final Mutex sync = new Mutex();
867		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
868		Thread t = new Thread(new Runnable() {
#	Line 1010 | Line 878 | public class AbstractQueuedSynchronizerT
878		}
879		});
880
881	<	try {
882	<	t.start();
883	<	Thread.sleep(SHORT_DELAY_MS);
884	<	t.interrupt();
885	<	t.join(SHORT_DELAY_MS);
1018	<	assertFalse(t.isAlive());
1019	<	}
1020	<	catch (Exception ex) {
1021	<	unexpectedException();
1022	<	}
881	>	t.start();
882	>	Thread.sleep(SHORT_DELAY_MS);
883	>	t.interrupt();
884	>	t.join(SHORT_DELAY_MS);
885	>	assertFalse(t.isAlive());
886		}
887
888		/**
889		* awaitUntil is interruptible
890		*/
891	<	public void testAwaitUntil_Interrupt() {
891	>	public void testAwaitUntil_Interrupt() throws InterruptedException {
892		final Mutex sync = new Mutex();
893		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
894		Thread t = new Thread(new Runnable() {
#	Line 1042 | Line 905 | public class AbstractQueuedSynchronizerT
905		}
906		});
907
908	<	try {
909	<	t.start();
910	<	Thread.sleep(SHORT_DELAY_MS);
911	<	t.interrupt();
912	<	t.join(SHORT_DELAY_MS);
1050	<	assertFalse(t.isAlive());
1051	<	}
1052	<	catch (Exception ex) {
1053	<	unexpectedException();
1054	<	}
908	>	t.start();
909	>	Thread.sleep(SHORT_DELAY_MS);
910	>	t.interrupt();
911	>	t.join(SHORT_DELAY_MS);
912	>	assertFalse(t.isAlive());
913		}
914
915		/**
916		* signalAll wakes up all threads
917		*/
918	<	public void testSignalAll() {
918	>	public void testSignalAll() throws InterruptedException {
919		final Mutex sync = new Mutex();
920		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
921		Thread t1 = new Thread(new Runnable() {
#	Line 1086 | Line 944 | public class AbstractQueuedSynchronizerT
944		}
945		});
946
947	<	try {
948	<	t1.start();
949	<	t2.start();
950	<	Thread.sleep(SHORT_DELAY_MS);
951	<	sync.acquire(1);
952	<	c.signalAll();
953	<	sync.release(1);
954	<	t1.join(SHORT_DELAY_MS);
955	<	t2.join(SHORT_DELAY_MS);
956	<	assertFalse(t1.isAlive());
1099	<	assertFalse(t2.isAlive());
1100	<	}
1101	<	catch (Exception ex) {
1102	<	unexpectedException();
1103	<	}
947	>	t1.start();
948	>	t2.start();
949	>	Thread.sleep(SHORT_DELAY_MS);
950	>	sync.acquire(1);
951	>	c.signalAll();
952	>	sync.release(1);
953	>	t1.join(SHORT_DELAY_MS);
954	>	t2.join(SHORT_DELAY_MS);
955	>	assertFalse(t1.isAlive());
956	>	assertFalse(t2.isAlive());
957		}
958
959
#	Line 1119 | Line 972 | public class AbstractQueuedSynchronizerT
972		/**
973		* A serialized AQS deserializes with current state
974		*/
975	<	public void testSerialization() {
975	>	public void testSerialization() throws Exception {
976		Mutex l = new Mutex();
977		l.acquire(1);
978		assertTrue(l.isHeldExclusively());
979
980	<	try {
981	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
982	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
983	<	out.writeObject(l);
984	<	out.close();
985	<
986	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
987	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
988	<	Mutex r = (Mutex) in.readObject();
1136	<	assertTrue(r.isHeldExclusively());
1137	<	} catch (Exception e) {
1138	<	e.printStackTrace();
1139	<	unexpectedException();
1140	<	}
980	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
981	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
982	>	out.writeObject(l);
983	>	out.close();
984	>
985	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
986	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
987	>	Mutex r = (Mutex) in.readObject();
988	>	assertTrue(r.isHeldExclusively());
989		}
990
991
#	Line 1166 | Line 1014 | public class AbstractQueuedSynchronizerT
1014		/**
1015		* acquireSharedInterruptibly returns after release, but not before
1016		*/
1017	<	public void testAcquireSharedInterruptibly() {
1017	>	public void testAcquireSharedInterruptibly() throws InterruptedException {
1018		final BooleanLatch l = new BooleanLatch();
1019
1020		Thread t = new Thread(new Runnable() {
#	Line 1180 | Line 1028 | public class AbstractQueuedSynchronizerT
1028		}
1029		}
1030		});
1031	<	try {
1032	<	t.start();
1033	<	assertFalse(l.isSignalled());
1034	<	Thread.sleep(SHORT_DELAY_MS);
1035	<	l.releaseShared(0);
1036	<	assertTrue(l.isSignalled());
1037	<	t.join();
1190	<	} catch (InterruptedException e) {
1191	<	unexpectedException();
1192	<	}
1031	>
1032	>	t.start();
1033	>	assertFalse(l.isSignalled());
1034	>	Thread.sleep(SHORT_DELAY_MS);
1035	>	l.releaseShared(0);
1036	>	assertTrue(l.isSignalled());
1037	>	t.join();
1038		}
1039
1040
1041		/**
1042		* acquireSharedTimed returns after release
1043		*/
1044	<	public void testAsquireSharedTimed() {
1044	>	public void testAsquireSharedTimed() throws InterruptedException {
1045		final BooleanLatch l = new BooleanLatch();
1046
1047		Thread t = new Thread(new Runnable() {
#	Line 1211 | Line 1056 | public class AbstractQueuedSynchronizerT
1056		}
1057		}
1058		});
1059	<	try {
1060	<	t.start();
1061	<	assertFalse(l.isSignalled());
1062	<	Thread.sleep(SHORT_DELAY_MS);
1063	<	l.releaseShared(0);
1064	<	assertTrue(l.isSignalled());
1065	<	t.join();
1221	<	} catch (InterruptedException e) {
1222	<	unexpectedException();
1223	<	}
1059	>
1060	>	t.start();
1061	>	assertFalse(l.isSignalled());
1062	>	Thread.sleep(SHORT_DELAY_MS);
1063	>	l.releaseShared(0);
1064	>	assertTrue(l.isSignalled());
1065	>	t.join();
1066		}
1067
1068		/**
1069		* acquireSharedInterruptibly throws IE if interrupted before released
1070		*/
1071	<	public void testAcquireSharedInterruptibly_InterruptedException() {
1071	>	public void testAcquireSharedInterruptibly_InterruptedException() throws InterruptedException {
1072		final BooleanLatch l = new BooleanLatch();
1073		Thread t = new Thread(new Runnable() {
1074		public void run() {
#	Line 1238 | Line 1080 | public class AbstractQueuedSynchronizerT
1080		}
1081		});
1082		t.start();
1083	<	try {
1084	<	assertFalse(l.isSignalled());
1085	<	t.interrupt();
1244	<	t.join();
1245	<	} catch (InterruptedException e) {
1246	<	unexpectedException();
1247	<	}
1083	>	assertFalse(l.isSignalled());
1084	>	t.interrupt();
1085	>	t.join();
1086		}
1087
1088		/**
1089		* acquireSharedTimed throws IE if interrupted before released
1090		*/
1091	<	public void testAcquireSharedNanos_InterruptedException() {
1091	>	public void testAcquireSharedNanos_InterruptedException() throws InterruptedException {
1092		final BooleanLatch l = new BooleanLatch();
1093		Thread t = new Thread(new Runnable() {
1094		public void run() {
#	Line 1262 | Line 1100 | public class AbstractQueuedSynchronizerT
1100		}
1101		});
1102		t.start();
1103	<	try {
1104	<	Thread.sleep(SHORT_DELAY_MS);
1105	<	assertFalse(l.isSignalled());
1106	<	t.interrupt();
1269	<	t.join();
1270	<	} catch (InterruptedException e) {
1271	<	unexpectedException();
1272	<	}
1103	>	Thread.sleep(SHORT_DELAY_MS);
1104	>	assertFalse(l.isSignalled());
1105	>	t.interrupt();
1106	>	t.join();
1107		}
1108
1109		/**
1110		* acquireSharedTimed times out if not released before timeout
1111		*/
1112	<	public void testAcquireSharedNanos_Timeout() {
1112	>	public void testAcquireSharedNanos_Timeout() throws InterruptedException {
1113		final BooleanLatch l = new BooleanLatch();
1114		Thread t = new Thread(new Runnable() {
1115		public void run() {
#	Line 1288 | Line 1122 | public class AbstractQueuedSynchronizerT
1122		}
1123		});
1124		t.start();
1125	<	try {
1126	<	Thread.sleep(SHORT_DELAY_MS);
1127	<	assertFalse(l.isSignalled());
1294	<	t.join();
1295	<	} catch (InterruptedException e) {
1296	<	unexpectedException();
1297	<	}
1125	>	Thread.sleep(SHORT_DELAY_MS);
1126	>	assertFalse(l.isSignalled());
1127	>	t.join();
1128		}
1129
1130

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