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Comparing jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java (file contents):
Revision 1.26 by jsr166, Wed Nov 18 08:22:57 2009 UTC vs.
Revision 1.39 by jsr166, Tue Mar 15 19:47:06 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
#	Line 10 | Line 10
10		import junit.framework.*;
11		import java.util.*;
12		import java.util.concurrent.*;
13	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14		import java.util.concurrent.locks.*;
15		import java.io.*;
16
17		public class AbstractQueuedSynchronizerTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run(suite());
20		}
21		public static Test suite() {
22		return new TestSuite(AbstractQueuedSynchronizerTest.class);
#	Line 33 | Line 34 | public class AbstractQueuedSynchronizerT
34		public boolean isHeldExclusively() { return getState() == 1; }
35
36		public boolean tryAcquire(int acquires) {
37	<	assertTrue(acquires == 1);
37	>	assertEquals(1, acquires);
38		return compareAndSetState(0, 1);
39		}
40
#	Line 43 | Line 44 | public class AbstractQueuedSynchronizerT
44		return true;
45		}
46
47	<	public AbstractQueuedSynchronizer.ConditionObject newCondition() { return new AbstractQueuedSynchronizer.ConditionObject(); }
47	>	public AbstractQueuedSynchronizer.ConditionObject newCondition() {
48	>	return new AbstractQueuedSynchronizer.ConditionObject();
49	>	}
50
51		}
52
#	Line 55 | Line 58 | public class AbstractQueuedSynchronizerT
58		public boolean isSignalled() { return getState() != 0; }
59
60		public int tryAcquireShared(int ignore) {
61	<	return isSignalled()? 1 : -1;
61	>	return isSignalled() ? 1 : -1;
62		}
63
64		public boolean tryReleaseShared(int ignore) {
#	Line 65 | Line 68 | public class AbstractQueuedSynchronizerT
68		}
69
70		/**
71	<	* A runnable calling acquireInterruptibly
71	>	* A runnable calling acquireInterruptibly that does not expect to
72	>	* be interrupted.
73		*/
74	<	class InterruptibleSyncRunnable implements Runnable {
74	>	class InterruptibleSyncRunnable extends CheckedRunnable {
75		final Mutex sync;
76		InterruptibleSyncRunnable(Mutex l) { sync = l; }
77	<	public void run() {
78	<	try {
75	<	sync.acquireInterruptibly(1);
76	<	} catch (InterruptedException success) {}
77	>	public void realRun() throws InterruptedException {
78	>	sync.acquireInterruptibly(1);
79		}
80		}
81
82
83		/**
84		* A runnable calling acquireInterruptibly that expects to be
85	<	* interrupted
85	>	* interrupted.
86		*/
87	<	class InterruptedSyncRunnable implements Runnable {
87	>	class InterruptedSyncRunnable extends CheckedInterruptedRunnable {
88		final Mutex sync;
89		InterruptedSyncRunnable(Mutex l) { sync = l; }
90	<	public void run() {
91	<	try {
90	<	sync.acquireInterruptibly(1);
91	<	threadShouldThrow();
92	<	} catch (InterruptedException success) {}
90	>	public void realRun() throws InterruptedException {
91	>	sync.acquireInterruptibly(1);
92		}
93		}
94
#	Line 97 | Line 96 | public class AbstractQueuedSynchronizerT
96		* isHeldExclusively is false upon construction
97		*/
98		public void testIsHeldExclusively() {
99	<	Mutex rl = new Mutex();
99	>	Mutex rl = new Mutex();
100		assertFalse(rl.isHeldExclusively());
101		}
102
#	Line 105 | Line 104 | public class AbstractQueuedSynchronizerT
104		* acquiring released sync succeeds
105		*/
106		public void testAcquire() {
107	<	Mutex rl = new Mutex();
107	>	Mutex rl = new Mutex();
108		rl.acquire(1);
109		assertTrue(rl.isHeldExclusively());
110		rl.release(1);
#	Line 116 | Line 115 | public class AbstractQueuedSynchronizerT
115		* tryAcquire on an released sync succeeds
116		*/
117		public void testTryAcquire() {
118	<	Mutex rl = new Mutex();
118	>	Mutex rl = new Mutex();
119		assertTrue(rl.tryAcquire(1));
120		assertTrue(rl.isHeldExclusively());
121		rl.release(1);
#	Line 126 | Line 125 | public class AbstractQueuedSynchronizerT
125		* hasQueuedThreads reports whether there are waiting threads
126		*/
127		public void testhasQueuedThreads() throws InterruptedException {
128	<	final Mutex sync = new Mutex();
128	>	final Mutex sync = new Mutex();
129		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
130		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
131		assertFalse(sync.hasQueuedThreads());
#	Line 151 | Line 150 | public class AbstractQueuedSynchronizerT
150		* isQueued(null) throws NPE
151		*/
152		public void testIsQueuedNPE() {
153	<	final Mutex sync = new Mutex();
153	>	final Mutex sync = new Mutex();
154		try {
155		sync.isQueued(null);
156		shouldThrow();
#	Line 162 | Line 161 | public class AbstractQueuedSynchronizerT
161		* isQueued reports whether a thread is queued.
162		*/
163		public void testIsQueued() throws InterruptedException {
164	<	final Mutex sync = new Mutex();
164	>	final Mutex sync = new Mutex();
165		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
166		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
167		assertFalse(sync.isQueued(t1));
#	Line 192 | Line 191 | public class AbstractQueuedSynchronizerT
191		* getFirstQueuedThread returns first waiting thread or null if none
192		*/
193		public void testGetFirstQueuedThread() throws InterruptedException {
194	<	final Mutex sync = new Mutex();
194	>	final Mutex sync = new Mutex();
195		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
196		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
197		assertNull(sync.getFirstQueuedThread());
#	Line 219 | Line 218 | public class AbstractQueuedSynchronizerT
218		* hasContended reports false if no thread has ever blocked, else true
219		*/
220		public void testHasContended() throws InterruptedException {
221	<	final Mutex sync = new Mutex();
221	>	final Mutex sync = new Mutex();
222		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
223		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
224		assertFalse(sync.hasContended());
#	Line 244 | Line 243 | public class AbstractQueuedSynchronizerT
243		* getQueuedThreads includes waiting threads
244		*/
245		public void testGetQueuedThreads() throws InterruptedException {
246	<	final Mutex sync = new Mutex();
246	>	final Mutex sync = new Mutex();
247		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
248		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
249		assertTrue(sync.getQueuedThreads().isEmpty());
#	Line 272 | Line 271 | public class AbstractQueuedSynchronizerT
271		* getExclusiveQueuedThreads includes waiting threads
272		*/
273		public void testGetExclusiveQueuedThreads() throws InterruptedException {
274	<	final Mutex sync = new Mutex();
274	>	final Mutex sync = new Mutex();
275		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
276		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
277		assertTrue(sync.getExclusiveQueuedThreads().isEmpty());
#	Line 300 | Line 299 | public class AbstractQueuedSynchronizerT
299		* getSharedQueuedThreads does not include exclusively waiting threads
300		*/
301		public void testGetSharedQueuedThreads() throws InterruptedException {
302	<	final Mutex sync = new Mutex();
302	>	final Mutex sync = new Mutex();
303		Thread t1 = new Thread(new InterruptedSyncRunnable(sync));
304		Thread t2 = new Thread(new InterruptibleSyncRunnable(sync));
305		assertTrue(sync.getSharedQueuedThreads().isEmpty());
#	Line 325 | Line 324 | public class AbstractQueuedSynchronizerT
324		/**
325		* tryAcquireNanos is interruptible.
326		*/
327	<	public void testInterruptedException2() {
328	<	final Mutex sync = new Mutex();
329	<	sync.acquire(1);
330	<	Thread t = new Thread(new Runnable() {
331	<	public void run() {
332	<	try {
333	<	sync.tryAcquireNanos(1, MEDIUM_DELAY_MS * 1000 * 1000);
335	<	threadShouldThrow();
336	<	} catch (InterruptedException success) {}
337	<	}
338	<	});
327	>	public void testInterruptedException2() throws InterruptedException {
328	>	final Mutex sync = new Mutex();
329	>	sync.acquire(1);
330	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
331	>	public void realRun() throws InterruptedException {
332	>	sync.tryAcquireNanos(1, MILLISECONDS.toNanos(MEDIUM_DELAY_MS));
333	>	}});
334
335		t.start();
336	+	Thread.sleep(SHORT_DELAY_MS);
337		t.interrupt();
338	+	t.join();
339		}
340
341
#	Line 346 | Line 343 | public class AbstractQueuedSynchronizerT
343		* TryAcquire on exclusively held sync fails
344		*/
345		public void testTryAcquireWhenSynced() throws InterruptedException {
346	<	final Mutex sync = new Mutex();
347	<	sync.acquire(1);
348	<	Thread t = new Thread(new Runnable() {
349	<	public void run() {
350	<	threadAssertFalse(sync.tryAcquire(1));
351	<	}
355	<	});
346	>	final Mutex sync = new Mutex();
347	>	sync.acquire(1);
348	>	Thread t = new Thread(new CheckedRunnable() {
349	>	public void realRun() {
350	>	assertFalse(sync.tryAcquire(1));
351	>	}});
352
353		t.start();
354		t.join();
#	Line 363 | Line 359 | public class AbstractQueuedSynchronizerT
359		* tryAcquireNanos on an exclusively held sync times out
360		*/
361		public void testAcquireNanos_Timeout() throws InterruptedException {
362	<	final Mutex sync = new Mutex();
363	<	sync.acquire(1);
364	<	Thread t = new Thread(new Runnable() {
365	<	public void run() {
366	<	try {
367	<	threadAssertFalse(sync.tryAcquireNanos(1, 1000 * 1000));
368	<	} catch (Exception ex) {
373	<	threadUnexpectedException();
374	<	}
375	<	}
376	<	});
362	>	final Mutex sync = new Mutex();
363	>	sync.acquire(1);
364	>	Thread t = new Thread(new CheckedRunnable() {
365	>	public void realRun() throws InterruptedException {
366	>	long nanos = MILLISECONDS.toNanos(SHORT_DELAY_MS);
367	>	assertFalse(sync.tryAcquireNanos(1, nanos));
368	>	}});
369
370		t.start();
371		t.join();
#	Line 385 | Line 377 | public class AbstractQueuedSynchronizerT
377		* getState is true when acquired and false when not
378		*/
379		public void testGetState() throws InterruptedException {
380	<	final Mutex sync = new Mutex();
381	<	sync.acquire(1);
382	<	assertTrue(sync.isHeldExclusively());
383	<	sync.release(1);
384	<	assertFalse(sync.isHeldExclusively());
385	<	Thread t = new Thread(new Runnable() {
386	<	public void run() {
387	<	sync.acquire(1);
388	<	try {
389	<	Thread.sleep(SMALL_DELAY_MS);
390	<	}
399	<	catch (Exception e) {
400	<	threadUnexpectedException();
401	<	}
402	<	sync.release(1);
403	<	}
404	<	});
380	>	final Mutex sync = new Mutex();
381	>	sync.acquire(1);
382	>	assertTrue(sync.isHeldExclusively());
383	>	sync.release(1);
384	>	assertFalse(sync.isHeldExclusively());
385	>	Thread t = new Thread(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	sync.acquire(1);
388	>	Thread.sleep(SMALL_DELAY_MS);
389	>	sync.release(1);
390	>	}});
391
392		t.start();
393		Thread.sleep(SHORT_DELAY_MS);
#	Line 415 | Line 401 | public class AbstractQueuedSynchronizerT
401		* acquireInterruptibly is interruptible.
402		*/
403		public void testAcquireInterruptibly1() throws InterruptedException {
404	<	final Mutex sync = new Mutex();
405	<	sync.acquire(1);
406	<	Thread t = new Thread(new InterruptedSyncRunnable(sync));
404	>	final Mutex sync = new Mutex();
405	>	sync.acquire(1);
406	>	Thread t = new Thread(new InterruptedSyncRunnable(sync));
407
408		t.start();
409		Thread.sleep(SHORT_DELAY_MS);
#	Line 431 | Line 417 | public class AbstractQueuedSynchronizerT
417		* acquireInterruptibly succeeds when released, else is interruptible
418		*/
419		public void testAcquireInterruptibly2() throws InterruptedException {
420	<	final Mutex sync = new Mutex();
420	>	final Mutex sync = new Mutex();
421		sync.acquireInterruptibly(1);
422	<	Thread t = new Thread(new InterruptedSyncRunnable(sync));
422	>	Thread t = new Thread(new InterruptedSyncRunnable(sync));
423		t.start();
424	+	Thread.sleep(SHORT_DELAY_MS);
425		t.interrupt();
426		assertTrue(sync.isHeldExclusively());
427		t.join();
#	Line 444 | Line 431 | public class AbstractQueuedSynchronizerT
431		* owns is true for a condition created by sync else false
432		*/
433		public void testOwns() {
434	<	final Mutex sync = new Mutex();
434	>	final Mutex sync = new Mutex();
435		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
436		final Mutex sync2 = new Mutex();
437		assertTrue(sync.owns(c));
#	Line 455 | Line 442 | public class AbstractQueuedSynchronizerT
442		* Calling await without holding sync throws IllegalMonitorStateException
443		*/
444		public void testAwait_IllegalMonitor() throws InterruptedException {
445	<	final Mutex sync = new Mutex();
445	>	final Mutex sync = new Mutex();
446		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
447		try {
448		c.await();
449		shouldThrow();
450	<	}
464	<	catch (IllegalMonitorStateException success) {}
450	>	} catch (IllegalMonitorStateException success) {}
451		}
452
453		/**
454		* Calling signal without holding sync throws IllegalMonitorStateException
455		*/
456		public void testSignal_IllegalMonitor() {
457	<	final Mutex sync = new Mutex();
457	>	final Mutex sync = new Mutex();
458		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
459		try {
460		c.signal();
461		shouldThrow();
462	<	}
477	<	catch (IllegalMonitorStateException success) {}
462	>	} catch (IllegalMonitorStateException success) {}
463		}
464
465		/**
466		* awaitNanos without a signal times out
467		*/
468		public void testAwaitNanos_Timeout() throws InterruptedException {
469	<	final Mutex sync = new Mutex();
469	>	final Mutex sync = new Mutex();
470		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
471		sync.acquire(1);
472		long t = c.awaitNanos(100);
#	Line 490 | Line 475 | public class AbstractQueuedSynchronizerT
475		}
476
477		/**
478	<	*  Timed await without a signal times out
478	>	* Timed await without a signal times out
479		*/
480		public void testAwait_Timeout() throws InterruptedException {
481	<	final Mutex sync = new Mutex();
481	>	final Mutex sync = new Mutex();
482		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
483		sync.acquire(1);
484	<	assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
484	>	assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS));
485		sync.release(1);
486		}
487
#	Line 504 | Line 489 | public class AbstractQueuedSynchronizerT
489		* awaitUntil without a signal times out
490		*/
491		public void testAwaitUntil_Timeout() throws InterruptedException {
492	<	final Mutex sync = new Mutex();
492	>	final Mutex sync = new Mutex();
493		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
494		sync.acquire(1);
495		java.util.Date d = new java.util.Date();
#	Line 516 | Line 501 | public class AbstractQueuedSynchronizerT
501		* await returns when signalled
502		*/
503		public void testAwait() throws InterruptedException {
504	<	final Mutex sync = new Mutex();
504	>	final Mutex sync = new Mutex();
505		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
506	<	Thread t = new Thread(new Runnable() {
507	<	public void run() {
508	<	try {
509	<	sync.acquire(1);
510	<	c.await();
511	<	sync.release(1);
527	<	}
528	<	catch (InterruptedException e) {
529	<	threadUnexpectedException();
530	<	}
531	<	}
532	<	});
506	>	Thread t = new Thread(new CheckedRunnable() {
507	>	public void realRun() throws InterruptedException {
508	>	sync.acquire(1);
509	>	c.await();
510	>	sync.release(1);
511	>	}});
512
513		t.start();
514		Thread.sleep(SHORT_DELAY_MS);
#	Line 546 | Line 525 | public class AbstractQueuedSynchronizerT
525		* hasWaiters throws NPE if null
526		*/
527		public void testHasWaitersNPE() {
528	<	final Mutex sync = new Mutex();
528	>	final Mutex sync = new Mutex();
529		try {
530		sync.hasWaiters(null);
531		shouldThrow();
#	Line 557 | Line 536 | public class AbstractQueuedSynchronizerT
536		* getWaitQueueLength throws NPE if null
537		*/
538		public void testGetWaitQueueLengthNPE() {
539	<	final Mutex sync = new Mutex();
539	>	final Mutex sync = new Mutex();
540		try {
541		sync.getWaitQueueLength(null);
542		shouldThrow();
#	Line 569 | Line 548 | public class AbstractQueuedSynchronizerT
548		* getWaitingThreads throws NPE if null
549		*/
550		public void testGetWaitingThreadsNPE() {
551	<	final Mutex sync = new Mutex();
551	>	final Mutex sync = new Mutex();
552		try {
553		sync.getWaitingThreads(null);
554		shouldThrow();
#	Line 581 | Line 560 | public class AbstractQueuedSynchronizerT
560		* hasWaiters throws IAE if not owned
561		*/
562		public void testHasWaitersIAE() {
563	<	final Mutex sync = new Mutex();
563	>	final Mutex sync = new Mutex();
564		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
565	<	final Mutex sync2 = new Mutex();
565	>	final Mutex sync2 = new Mutex();
566		try {
567		sync2.hasWaiters(c);
568		shouldThrow();
#	Line 594 | Line 573 | public class AbstractQueuedSynchronizerT
573		* hasWaiters throws IMSE if not synced
574		*/
575		public void testHasWaitersIMSE() {
576	<	final Mutex sync = new Mutex();
576	>	final Mutex sync = new Mutex();
577		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
578		try {
579		sync.hasWaiters(c);
#	Line 607 | Line 586 | public class AbstractQueuedSynchronizerT
586		* getWaitQueueLength throws IAE if not owned
587		*/
588		public void testGetWaitQueueLengthIAE() {
589	<	final Mutex sync = new Mutex();
589	>	final Mutex sync = new Mutex();
590		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
591	<	final Mutex sync2 = new Mutex();
591	>	final Mutex sync2 = new Mutex();
592		try {
593		sync2.getWaitQueueLength(c);
594		shouldThrow();
#	Line 620 | Line 599 | public class AbstractQueuedSynchronizerT
599		* getWaitQueueLength throws IMSE if not synced
600		*/
601		public void testGetWaitQueueLengthIMSE() {
602	<	final Mutex sync = new Mutex();
602	>	final Mutex sync = new Mutex();
603		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
604		try {
605		sync.getWaitQueueLength(c);
#	Line 633 | Line 612 | public class AbstractQueuedSynchronizerT
612		* getWaitingThreads throws IAE if not owned
613		*/
614		public void testGetWaitingThreadsIAE() {
615	<	final Mutex sync = new Mutex();
615	>	final Mutex sync = new Mutex();
616		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
617	<	final Mutex sync2 = new Mutex();
617	>	final Mutex sync2 = new Mutex();
618		try {
619		sync2.getWaitingThreads(c);
620		shouldThrow();
#	Line 646 | Line 625 | public class AbstractQueuedSynchronizerT
625		* getWaitingThreads throws IMSE if not synced
626		*/
627		public void testGetWaitingThreadsIMSE() {
628	<	final Mutex sync = new Mutex();
628	>	final Mutex sync = new Mutex();
629		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
630		try {
631		sync.getWaitingThreads(c);
#	Line 660 | Line 639 | public class AbstractQueuedSynchronizerT
639		* hasWaiters returns true when a thread is waiting, else false
640		*/
641		public void testHasWaiters() throws InterruptedException {
642	<	final Mutex sync = new Mutex();
642	>	final Mutex sync = new Mutex();
643		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
644	<	Thread t = new Thread(new Runnable() {
645	<	public void run() {
646	<	try {
647	<	sync.acquire(1);
648	<	threadAssertFalse(sync.hasWaiters(c));
649	<	threadAssertEquals(0, sync.getWaitQueueLength(c));
650	<	c.await();
651	<	sync.release(1);
673	<	}
674	<	catch (InterruptedException e) {
675	<	threadUnexpectedException();
676	<	}
677	<	}
678	<	});
644	>	Thread t = new Thread(new CheckedRunnable() {
645	>	public void realRun() throws InterruptedException {
646	>	sync.acquire(1);
647	>	assertFalse(sync.hasWaiters(c));
648	>	assertEquals(0, sync.getWaitQueueLength(c));
649	>	c.await();
650	>	sync.release(1);
651	>	}});
652
653		t.start();
654		Thread.sleep(SHORT_DELAY_MS);
#	Line 697 | Line 670 | public class AbstractQueuedSynchronizerT
670		* getWaitQueueLength returns number of waiting threads
671		*/
672		public void testGetWaitQueueLength() throws InterruptedException {
673	<	final Mutex sync = new Mutex();
673	>	final Mutex sync = new Mutex();
674		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
675	<	Thread t1 = new Thread(new Runnable() {
676	<	public void run() {
677	<	try {
678	<	sync.acquire(1);
679	<	threadAssertFalse(sync.hasWaiters(c));
680	<	threadAssertEquals(0, sync.getWaitQueueLength(c));
681	<	c.await();
682	<	sync.release(1);
683	<	}
684	<	catch (InterruptedException e) {
685	<	threadUnexpectedException();
686	<	}
687	<	}
688	<	});
689	<
690	<	Thread t2 = new Thread(new Runnable() {
691	<	public void run() {
719	<	try {
720	<	sync.acquire(1);
721	<	threadAssertTrue(sync.hasWaiters(c));
722	<	threadAssertEquals(1, sync.getWaitQueueLength(c));
723	<	c.await();
724	<	sync.release(1);
725	<	}
726	<	catch (InterruptedException e) {
727	<	threadUnexpectedException();
728	<	}
729	<	}
730	<	});
675	>	Thread t1 = new Thread(new CheckedRunnable() {
676	>	public void realRun() throws InterruptedException {
677	>	sync.acquire(1);
678	>	assertFalse(sync.hasWaiters(c));
679	>	assertEquals(0, sync.getWaitQueueLength(c));
680	>	c.await();
681	>	sync.release(1);
682	>	}});
683	>
684	>	Thread t2 = new Thread(new CheckedRunnable() {
685	>	public void realRun() throws InterruptedException {
686	>	sync.acquire(1);
687	>	assertTrue(sync.hasWaiters(c));
688	>	assertEquals(1, sync.getWaitQueueLength(c));
689	>	c.await();
690	>	sync.release(1);
691	>	}});
692
693		t1.start();
694		Thread.sleep(SHORT_DELAY_MS);
#	Line 753 | Line 714 | public class AbstractQueuedSynchronizerT
714		* getWaitingThreads returns only and all waiting threads
715		*/
716		public void testGetWaitingThreads() throws InterruptedException {
717	<	final Mutex sync = new Mutex();
717	>	final Mutex sync = new Mutex();
718		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
719	<	Thread t1 = new Thread(new Runnable() {
720	<	public void run() {
721	<	try {
722	<	sync.acquire(1);
723	<	threadAssertTrue(sync.getWaitingThreads(c).isEmpty());
724	<	c.await();
725	<	sync.release(1);
726	<	}
727	<	catch (InterruptedException e) {
728	<	threadUnexpectedException();
729	<	}
730	<	}
731	<	});
732	<
733	<	Thread t2 = new Thread(new Runnable() {
773	<	public void run() {
774	<	try {
775	<	sync.acquire(1);
776	<	threadAssertFalse(sync.getWaitingThreads(c).isEmpty());
777	<	c.await();
778	<	sync.release(1);
779	<	}
780	<	catch (InterruptedException e) {
781	<	threadUnexpectedException();
782	<	}
783	<	}
784	<	});
719	>	Thread t1 = new Thread(new CheckedRunnable() {
720	>	public void realRun() throws InterruptedException {
721	>	sync.acquire(1);
722	>	assertTrue(sync.getWaitingThreads(c).isEmpty());
723	>	c.await();
724	>	sync.release(1);
725	>	}});
726	>
727	>	Thread t2 = new Thread(new CheckedRunnable() {
728	>	public void realRun() throws InterruptedException {
729	>	sync.acquire(1);
730	>	assertFalse(sync.getWaitingThreads(c).isEmpty());
731	>	c.await();
732	>	sync.release(1);
733	>	}});
734
735		sync.acquire(1);
736		assertTrue(sync.getWaitingThreads(c).isEmpty());
#	Line 813 | Line 762 | public class AbstractQueuedSynchronizerT
762		* awaitUninterruptibly doesn't abort on interrupt
763		*/
764		public void testAwaitUninterruptibly() throws InterruptedException {
765	<	final Mutex sync = new Mutex();
765	>	final Mutex sync = new Mutex();
766		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
767	<	Thread t = new Thread(new Runnable() {
768	<	public void run() {
769	<	sync.acquire(1);
770	<	c.awaitUninterruptibly();
771	<	sync.release(1);
772	<	}
824	<	});
767	>	Thread t = new Thread(new CheckedRunnable() {
768	>	public void realRun() {
769	>	sync.acquire(1);
770	>	c.awaitUninterruptibly();
771	>	sync.release(1);
772	>	}});
773
774		t.start();
775		Thread.sleep(SHORT_DELAY_MS);
#	Line 837 | Line 785 | public class AbstractQueuedSynchronizerT
785		* await is interruptible
786		*/
787		public void testAwait_Interrupt() throws InterruptedException {
788	<	final Mutex sync = new Mutex();
788	>	final Mutex sync = new Mutex();
789		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
790	<	Thread t = new Thread(new Runnable() {
791	<	public void run() {
792	<	try {
793	<	sync.acquire(1);
794	<	c.await();
847	<	sync.release(1);
848	<	threadShouldThrow();
849	<	}
850	<	catch (InterruptedException success) {
851	<	}
852	<	}
853	<	});
790	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
791	>	public void realRun() throws InterruptedException {
792	>	sync.acquire(1);
793	>	c.await();
794	>	}});
795
796		t.start();
797		Thread.sleep(SHORT_DELAY_MS);
#	Line 863 | Line 804 | public class AbstractQueuedSynchronizerT
804		* awaitNanos is interruptible
805		*/
806		public void testAwaitNanos_Interrupt() throws InterruptedException {
807	<	final Mutex sync = new Mutex();
807	>	final Mutex sync = new Mutex();
808		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
809	<	Thread t = new Thread(new Runnable() {
810	<	public void run() {
811	<	try {
812	<	sync.acquire(1);
813	<	c.awaitNanos(1000 * 1000 * 1000); // 1 sec
873	<	sync.release(1);
874	<	threadShouldThrow();
875	<	}
876	<	catch (InterruptedException success) {
877	<	}
878	<	}
879	<	});
809	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
810	>	public void realRun() throws InterruptedException {
811	>	sync.acquire(1);
812	>	c.awaitNanos(MILLISECONDS.toNanos(LONG_DELAY_MS));
813	>	}});
814
815		t.start();
816		Thread.sleep(SHORT_DELAY_MS);
#	Line 889 | Line 823 | public class AbstractQueuedSynchronizerT
823		* awaitUntil is interruptible
824		*/
825		public void testAwaitUntil_Interrupt() throws InterruptedException {
826	<	final Mutex sync = new Mutex();
826	>	final Mutex sync = new Mutex();
827		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
828	<	Thread t = new Thread(new Runnable() {
829	<	public void run() {
830	<	try {
831	<	sync.acquire(1);
832	<	java.util.Date d = new java.util.Date();
833	<	c.awaitUntil(new java.util.Date(d.getTime() + 10000));
900	<	sync.release(1);
901	<	threadShouldThrow();
902	<	}
903	<	catch (InterruptedException success) {
904	<	}
905	<	}
906	<	});
828	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
829	>	public void realRun() throws InterruptedException {
830	>	sync.acquire(1);
831	>	java.util.Date d = new java.util.Date();
832	>	c.awaitUntil(new java.util.Date(d.getTime() + 10000));
833	>	}});
834
835		t.start();
836		Thread.sleep(SHORT_DELAY_MS);
#	Line 916 | Line 843 | public class AbstractQueuedSynchronizerT
843		* signalAll wakes up all threads
844		*/
845		public void testSignalAll() throws InterruptedException {
846	<	final Mutex sync = new Mutex();
846	>	final Mutex sync = new Mutex();
847		final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition();
848	<	Thread t1 = new Thread(new Runnable() {
849	<	public void run() {
850	<	try {
851	<	sync.acquire(1);
852	<	c.await();
853	<	sync.release(1);
854	<	}
855	<	catch (InterruptedException e) {
856	<	threadUnexpectedException();
857	<	}
858	<	}
859	<	});
860	<
934	<	Thread t2 = new Thread(new Runnable() {
935	<	public void run() {
936	<	try {
937	<	sync.acquire(1);
938	<	c.await();
939	<	sync.release(1);
940	<	}
941	<	catch (InterruptedException e) {
942	<	threadUnexpectedException();
943	<	}
944	<	}
945	<	});
848	>	Thread t1 = new Thread(new CheckedRunnable() {
849	>	public void realRun() throws InterruptedException {
850	>	sync.acquire(1);
851	>	c.await();
852	>	sync.release(1);
853	>	}});
854	>
855	>	Thread t2 = new Thread(new CheckedRunnable() {
856	>	public void realRun() throws InterruptedException {
857	>	sync.acquire(1);
858	>	c.await();
859	>	sync.release(1);
860	>	}});
861
862		t1.start();
863		t2.start();
#	Line 993 | Line 908 | public class AbstractQueuedSynchronizerT
908		* tryReleaseShared setting state changes getState
909		*/
910		public void testGetStateWithReleaseShared() {
911	<	final BooleanLatch l = new BooleanLatch();
912	<	assertFalse(l.isSignalled());
913	<	l.releaseShared(0);
914	<	assertTrue(l.isSignalled());
911	>	final BooleanLatch l = new BooleanLatch();
912	>	assertFalse(l.isSignalled());
913	>	l.releaseShared(0);
914	>	assertTrue(l.isSignalled());
915		}
916
917		/**
918		* releaseShared has no effect when already signalled
919		*/
920		public void testReleaseShared() {
921	<	final BooleanLatch l = new BooleanLatch();
922	<	assertFalse(l.isSignalled());
923	<	l.releaseShared(0);
924	<	assertTrue(l.isSignalled());
925	<	l.releaseShared(0);
926	<	assertTrue(l.isSignalled());
921	>	final BooleanLatch l = new BooleanLatch();
922	>	assertFalse(l.isSignalled());
923	>	l.releaseShared(0);
924	>	assertTrue(l.isSignalled());
925	>	l.releaseShared(0);
926	>	assertTrue(l.isSignalled());
927		}
928
929		/**
930		* acquireSharedInterruptibly returns after release, but not before
931		*/
932		public void testAcquireSharedInterruptibly() throws InterruptedException {
933	<	final BooleanLatch l = new BooleanLatch();
933	>	final BooleanLatch l = new BooleanLatch();
934
935	<	Thread t = new Thread(new Runnable() {
936	<	public void run() {
937	<	try {
938	<	threadAssertFalse(l.isSignalled());
939	<	l.acquireSharedInterruptibly(0);
940	<	threadAssertTrue(l.isSignalled());
1026	<	} catch (InterruptedException e) {
1027	<	threadUnexpectedException();
1028	<	}
1029	<	}
1030	<	});
935	>	Thread t = new Thread(new CheckedRunnable() {
936	>	public void realRun() throws InterruptedException {
937	>	assertFalse(l.isSignalled());
938	>	l.acquireSharedInterruptibly(0);
939	>	assertTrue(l.isSignalled());
940	>	}});
941
942		t.start();
943		assertFalse(l.isSignalled());
#	Line 1041 | Line 951 | public class AbstractQueuedSynchronizerT
951		/**
952		* acquireSharedTimed returns after release
953		*/
954	<	public void testAsquireSharedTimed() throws InterruptedException {
955	<	final BooleanLatch l = new BooleanLatch();
954	>	public void testAcquireSharedTimed() throws InterruptedException {
955	>	final BooleanLatch l = new BooleanLatch();
956
957	<	Thread t = new Thread(new Runnable() {
958	<	public void run() {
959	<	try {
960	<	threadAssertFalse(l.isSignalled());
961	<	threadAssertTrue(l.tryAcquireSharedNanos(0, MEDIUM_DELAY_MS* 1000 * 1000));
962	<	threadAssertTrue(l.isSignalled());
963	<
1054	<	} catch (InterruptedException e) {
1055	<	threadUnexpectedException();
1056	<	}
1057	<	}
1058	<	});
957	>	Thread t = new Thread(new CheckedRunnable() {
958	>	public void realRun() throws InterruptedException {
959	>	assertFalse(l.isSignalled());
960	>	long nanos = MILLISECONDS.toNanos(MEDIUM_DELAY_MS);
961	>	assertTrue(l.tryAcquireSharedNanos(0, nanos));
962	>	assertTrue(l.isSignalled());
963	>	}});
964
965		t.start();
966		assertFalse(l.isSignalled());
#	Line 1070 | Line 975 | public class AbstractQueuedSynchronizerT
975		*/
976		public void testAcquireSharedInterruptibly_InterruptedException() throws InterruptedException {
977		final BooleanLatch l = new BooleanLatch();
978	<	Thread t = new Thread(new Runnable() {
979	<	public void run() {
980	<	try {
981	<	threadAssertFalse(l.isSignalled());
982	<	l.acquireSharedInterruptibly(0);
983	<	threadShouldThrow();
984	<	} catch (InterruptedException success) {}
1080	<	}
1081	<	});
1082	<	t.start();
978	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
979	>	public void realRun() throws InterruptedException {
980	>	assertFalse(l.isSignalled());
981	>	l.acquireSharedInterruptibly(0);
982	>	}});
983	>
984	>	t.start();
985		assertFalse(l.isSignalled());
986		t.interrupt();
987		t.join();
#	Line 1090 | Line 992 | public class AbstractQueuedSynchronizerT
992		*/
993		public void testAcquireSharedNanos_InterruptedException() throws InterruptedException {
994		final BooleanLatch l = new BooleanLatch();
995	<	Thread t = new Thread(new Runnable() {
996	<	public void run() {
997	<	try {
998	<	threadAssertFalse(l.isSignalled());
999	<	l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000);
1000	<	threadShouldThrow();
1001	<	} catch (InterruptedException success) {}
1100	<	}
1101	<	});
995	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
996	>	public void realRun() throws InterruptedException {
997	>	assertFalse(l.isSignalled());
998	>	long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS);
999	>	l.tryAcquireSharedNanos(0, nanos);
1000	>	}});
1001	>
1002		t.start();
1003		Thread.sleep(SHORT_DELAY_MS);
1004		assertFalse(l.isSignalled());
#	Line 1111 | Line 1011 | public class AbstractQueuedSynchronizerT
1011		*/
1012		public void testAcquireSharedNanos_Timeout() throws InterruptedException {
1013		final BooleanLatch l = new BooleanLatch();
1014	<	Thread t = new Thread(new Runnable() {
1015	<	public void run() {
1016	<	try {
1017	<	threadAssertFalse(l.isSignalled());
1018	<	threadAssertFalse(l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000));
1019	<	} catch (InterruptedException ie) {
1020	<	threadUnexpectedException();
1121	<	}
1122	<	}
1123	<	});
1014	>	Thread t = new Thread(new CheckedRunnable() {
1015	>	public void realRun() throws InterruptedException {
1016	>	assertFalse(l.isSignalled());
1017	>	long nanos = MILLISECONDS.toNanos(SMALL_DELAY_MS);
1018	>	assertFalse(l.tryAcquireSharedNanos(0, nanos));
1019	>	}});
1020	>
1021		t.start();
1022		Thread.sleep(SHORT_DELAY_MS);
1023		assertFalse(l.isSignalled());
1024		t.join();
1025		}
1026
1130	–
1027		}

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