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); |
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 |
|
|
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 |
|
|
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) { |
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 |
|
|
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 |
|
|
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); |
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); |
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()); |
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(); |
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)); |
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()); |
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()); |
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()); |
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()); |
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()); |
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 |
|
|
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(); |
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(); |
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); |
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); |
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(); |
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)); |
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); |
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 |
|
|
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(); |
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); |
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(); |
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(); |
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(); |
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(); |
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); |
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(); |
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); |
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(); |
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); |
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); |
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); |
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()); |
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); |
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); |
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); |
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); |
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(); |
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()); |
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()); |
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(); |
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()); |
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 |
|
} |