15 |
|
public class LinkedBlockingQueueTest extends JSR166TestCase { |
16 |
|
|
17 |
|
public static void main(String[] args) { |
18 |
< |
junit.textui.TestRunner.run (suite()); |
18 |
> |
junit.textui.TestRunner.run(suite()); |
19 |
|
} |
20 |
|
|
21 |
|
public static Test suite() { |
48 |
|
} |
49 |
|
|
50 |
|
/** |
51 |
< |
* Constructor throws IAE if capacity argument nonpositive |
51 |
> |
* Constructor throws IAE if capacity argument nonpositive |
52 |
|
*/ |
53 |
|
public void testConstructor2() { |
54 |
|
try { |
284 |
|
* put blocks interruptibly if full |
285 |
|
*/ |
286 |
|
public void testBlockingPut() throws InterruptedException { |
287 |
+ |
final LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE); |
288 |
|
Thread t = new Thread(new CheckedRunnable() { |
289 |
< |
public void realRun() { |
290 |
< |
int added = 0; |
289 |
> |
public void realRun() throws InterruptedException { |
290 |
> |
for (int i = 0; i < SIZE; ++i) |
291 |
> |
q.put(i); |
292 |
> |
assertEquals(SIZE, q.size()); |
293 |
> |
assertEquals(0, q.remainingCapacity()); |
294 |
|
try { |
295 |
< |
LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE); |
296 |
< |
for (int i = 0; i < SIZE; ++i) { |
297 |
< |
q.put(new Integer(i)); |
294 |
< |
++added; |
295 |
< |
} |
296 |
< |
q.put(new Integer(SIZE)); |
297 |
< |
threadShouldThrow(); |
298 |
< |
} catch (InterruptedException success) { |
299 |
< |
threadAssertEquals(added, SIZE); |
300 |
< |
} |
295 |
> |
q.put(99); |
296 |
> |
shouldThrow(); |
297 |
> |
} catch (InterruptedException success) {} |
298 |
|
}}); |
299 |
|
|
300 |
|
t.start(); |
301 |
|
Thread.sleep(SHORT_DELAY_MS); |
302 |
|
t.interrupt(); |
303 |
|
t.join(); |
304 |
+ |
assertEquals(SIZE, q.size()); |
305 |
+ |
assertEquals(0, q.remainingCapacity()); |
306 |
|
} |
307 |
|
|
308 |
|
/** |
309 |
|
* put blocks waiting for take when full |
310 |
|
*/ |
311 |
|
public void testPutWithTake() throws InterruptedException { |
312 |
+ |
final int capacity = 2; |
313 |
|
final LinkedBlockingQueue q = new LinkedBlockingQueue(2); |
314 |
|
Thread t = new Thread(new CheckedRunnable() { |
315 |
< |
public void realRun() { |
316 |
< |
int added = 0; |
315 |
> |
public void realRun() throws InterruptedException { |
316 |
> |
for (int i = 0; i < capacity + 1; i++) |
317 |
> |
q.put(i); |
318 |
|
try { |
319 |
< |
q.put(new Object()); |
320 |
< |
++added; |
321 |
< |
q.put(new Object()); |
321 |
< |
++added; |
322 |
< |
q.put(new Object()); |
323 |
< |
++added; |
324 |
< |
q.put(new Object()); |
325 |
< |
++added; |
326 |
< |
threadShouldThrow(); |
327 |
< |
} catch (InterruptedException success) { |
328 |
< |
threadAssertTrue(added >= 2); |
329 |
< |
} |
319 |
> |
q.put(99); |
320 |
> |
shouldThrow(); |
321 |
> |
} catch (InterruptedException success) {} |
322 |
|
}}); |
323 |
|
|
324 |
|
t.start(); |
325 |
|
Thread.sleep(SHORT_DELAY_MS); |
326 |
< |
q.take(); |
326 |
> |
assertEquals(q.remainingCapacity(), 0); |
327 |
> |
assertEquals(0, q.take()); |
328 |
> |
Thread.sleep(SHORT_DELAY_MS); |
329 |
|
t.interrupt(); |
330 |
|
t.join(); |
331 |
+ |
assertEquals(q.remainingCapacity(), 0); |
332 |
|
} |
333 |
|
|
334 |
|
/** |
336 |
|
*/ |
337 |
|
public void testTimedOffer() throws InterruptedException { |
338 |
|
final LinkedBlockingQueue q = new LinkedBlockingQueue(2); |
339 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
339 |
> |
Thread t = new Thread(new CheckedRunnable() { |
340 |
|
public void realRun() throws InterruptedException { |
341 |
|
q.put(new Object()); |
342 |
|
q.put(new Object()); |
343 |
< |
threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
344 |
< |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
345 |
< |
}}; |
343 |
> |
assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS)); |
344 |
> |
try { |
345 |
> |
q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS); |
346 |
> |
shouldThrow(); |
347 |
> |
} catch (InterruptedException success) {} |
348 |
> |
}}); |
349 |
|
|
350 |
|
t.start(); |
351 |
|
Thread.sleep(SMALL_DELAY_MS); |
359 |
|
public void testTake() throws InterruptedException { |
360 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
361 |
|
for (int i = 0; i < SIZE; ++i) { |
362 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
362 |
> |
assertEquals(i, q.take()); |
363 |
|
} |
364 |
|
} |
365 |
|
|
383 |
|
* Take removes existing elements until empty, then blocks interruptibly |
384 |
|
*/ |
385 |
|
public void testBlockingTake() throws InterruptedException { |
386 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
386 |
> |
final LinkedBlockingQueue q = populatedQueue(SIZE); |
387 |
> |
Thread t = new Thread(new CheckedRunnable() { |
388 |
|
public void realRun() throws InterruptedException { |
390 |
– |
LinkedBlockingQueue q = populatedQueue(SIZE); |
389 |
|
for (int i = 0; i < SIZE; ++i) { |
390 |
< |
assertEquals(i, ((Integer)q.take()).intValue()); |
390 |
> |
assertEquals(i, q.take()); |
391 |
|
} |
392 |
< |
q.take(); |
393 |
< |
}}; |
392 |
> |
try { |
393 |
> |
q.take(); |
394 |
> |
shouldThrow(); |
395 |
> |
} catch (InterruptedException success) {} |
396 |
> |
}}); |
397 |
|
|
398 |
|
t.start(); |
399 |
|
Thread.sleep(SHORT_DELAY_MS); |
401 |
|
t.join(); |
402 |
|
} |
403 |
|
|
403 |
– |
|
404 |
|
/** |
405 |
|
* poll succeeds unless empty |
406 |
|
*/ |
407 |
|
public void testPoll() { |
408 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
409 |
|
for (int i = 0; i < SIZE; ++i) { |
410 |
< |
assertEquals(i, ((Integer)q.poll()).intValue()); |
410 |
> |
assertEquals(i, q.poll()); |
411 |
|
} |
412 |
|
assertNull(q.poll()); |
413 |
|
} |
418 |
|
public void testTimedPoll0() throws InterruptedException { |
419 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
420 |
|
for (int i = 0; i < SIZE; ++i) { |
421 |
< |
assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue()); |
421 |
> |
assertEquals(i, q.poll(0, MILLISECONDS)); |
422 |
|
} |
423 |
|
assertNull(q.poll(0, MILLISECONDS)); |
424 |
|
} |
429 |
|
public void testTimedPoll() throws InterruptedException { |
430 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
431 |
|
for (int i = 0; i < SIZE; ++i) { |
432 |
< |
assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
432 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
433 |
|
} |
434 |
|
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
435 |
|
} |
439 |
|
* returning timeout status |
440 |
|
*/ |
441 |
|
public void testInterruptedTimedPoll() throws InterruptedException { |
442 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
442 |
> |
Thread t = new Thread(new CheckedRunnable() { |
443 |
|
public void realRun() throws InterruptedException { |
444 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
445 |
|
for (int i = 0; i < SIZE; ++i) { |
446 |
< |
threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue()); |
446 |
> |
assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
447 |
|
} |
448 |
< |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
449 |
< |
}}; |
448 |
> |
try { |
449 |
> |
q.poll(SMALL_DELAY_MS, MILLISECONDS); |
450 |
> |
shouldThrow(); |
451 |
> |
} catch (InterruptedException success) {} |
452 |
> |
}}); |
453 |
|
|
454 |
|
t.start(); |
455 |
|
Thread.sleep(SHORT_DELAY_MS); |
463 |
|
*/ |
464 |
|
public void testTimedPollWithOffer() throws InterruptedException { |
465 |
|
final LinkedBlockingQueue q = new LinkedBlockingQueue(2); |
466 |
< |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
466 |
> |
Thread t = new Thread(new CheckedRunnable() { |
467 |
|
public void realRun() throws InterruptedException { |
468 |
< |
threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
469 |
< |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
470 |
< |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
471 |
< |
}}; |
468 |
> |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
469 |
> |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
470 |
> |
try { |
471 |
> |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
472 |
> |
shouldThrow(); |
473 |
> |
} catch (InterruptedException success) {} |
474 |
> |
}}); |
475 |
|
|
476 |
|
t.start(); |
477 |
|
Thread.sleep(SMALL_DELAY_MS); |
486 |
|
public void testPeek() { |
487 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
488 |
|
for (int i = 0; i < SIZE; ++i) { |
489 |
< |
assertEquals(i, ((Integer)q.peek()).intValue()); |
490 |
< |
q.poll(); |
489 |
> |
assertEquals(i, q.peek()); |
490 |
> |
assertEquals(i, q.poll()); |
491 |
|
assertTrue(q.peek() == null || |
492 |
< |
i != ((Integer)q.peek()).intValue()); |
492 |
> |
!q.peek().equals(i)); |
493 |
|
} |
494 |
|
assertNull(q.peek()); |
495 |
|
} |
500 |
|
public void testElement() { |
501 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
502 |
|
for (int i = 0; i < SIZE; ++i) { |
503 |
< |
assertEquals(i, ((Integer)q.element()).intValue()); |
504 |
< |
q.poll(); |
503 |
> |
assertEquals(i, q.element()); |
504 |
> |
assertEquals(i, q.poll()); |
505 |
|
} |
506 |
|
try { |
507 |
|
q.element(); |
515 |
|
public void testRemove() { |
516 |
|
LinkedBlockingQueue q = populatedQueue(SIZE); |
517 |
|
for (int i = 0; i < SIZE; ++i) { |
518 |
< |
assertEquals(i, ((Integer)q.remove()).intValue()); |
518 |
> |
assertEquals(i, q.remove()); |
519 |
|
} |
520 |
|
try { |
521 |
|
q.remove(); |
653 |
|
* toArray(null) throws NPE |
654 |
|
*/ |
655 |
|
public void testToArray_BadArg() { |
656 |
+ |
LinkedBlockingQueue q = populatedQueue(SIZE); |
657 |
|
try { |
651 |
– |
LinkedBlockingQueue q = populatedQueue(SIZE); |
658 |
|
Object o[] = q.toArray(null); |
659 |
|
shouldThrow(); |
660 |
|
} catch (NullPointerException success) {} |
664 |
|
* toArray with incompatible array type throws CCE |
665 |
|
*/ |
666 |
|
public void testToArray1_BadArg() { |
667 |
+ |
LinkedBlockingQueue q = populatedQueue(SIZE); |
668 |
|
try { |
669 |
< |
LinkedBlockingQueue q = populatedQueue(SIZE); |
663 |
< |
Object o[] = q.toArray(new String[10] ); |
669 |
> |
Object o[] = q.toArray(new String[10]); |
670 |
|
shouldThrow(); |
671 |
|
} catch (ArrayStoreException success) {} |
672 |
|
} |
686 |
|
/** |
687 |
|
* iterator.remove removes current element |
688 |
|
*/ |
689 |
< |
public void testIteratorRemove () { |
689 |
> |
public void testIteratorRemove() { |
690 |
|
final LinkedBlockingQueue q = new LinkedBlockingQueue(3); |
691 |
|
q.add(two); |
692 |
|
q.add(one); |
697 |
|
it.remove(); |
698 |
|
|
699 |
|
it = q.iterator(); |
700 |
< |
assertEquals(it.next(), one); |
701 |
< |
assertEquals(it.next(), three); |
700 |
> |
assertSame(it.next(), one); |
701 |
> |
assertSame(it.next(), three); |
702 |
|
assertFalse(it.hasNext()); |
703 |
|
} |
704 |
|
|
714 |
|
assertEquals(0, q.remainingCapacity()); |
715 |
|
int k = 0; |
716 |
|
for (Iterator it = q.iterator(); it.hasNext();) { |
717 |
< |
int i = ((Integer)(it.next())).intValue(); |
712 |
< |
assertEquals(++k, i); |
717 |
> |
assertEquals(++k, it.next()); |
718 |
|
} |
719 |
|
assertEquals(3, k); |
720 |
|
} |
722 |
|
/** |
723 |
|
* Modifications do not cause iterators to fail |
724 |
|
*/ |
725 |
< |
public void testWeaklyConsistentIteration () { |
725 |
> |
public void testWeaklyConsistentIteration() { |
726 |
|
final LinkedBlockingQueue q = new LinkedBlockingQueue(3); |
727 |
|
q.add(one); |
728 |
|
q.add(two); |
757 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
758 |
|
executor.execute(new CheckedRunnable() { |
759 |
|
public void realRun() throws InterruptedException { |
760 |
< |
threadAssertFalse(q.offer(three)); |
761 |
< |
threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
762 |
< |
threadAssertEquals(0, q.remainingCapacity()); |
760 |
> |
assertFalse(q.offer(three)); |
761 |
> |
assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS)); |
762 |
> |
assertEquals(0, q.remainingCapacity()); |
763 |
|
}}); |
764 |
|
|
765 |
|
executor.execute(new CheckedRunnable() { |
766 |
|
public void realRun() throws InterruptedException { |
767 |
|
Thread.sleep(SMALL_DELAY_MS); |
768 |
< |
threadAssertEquals(one, q.take()); |
768 |
> |
assertSame(one, q.take()); |
769 |
|
}}); |
770 |
|
|
771 |
|
joinPool(executor); |
779 |
|
ExecutorService executor = Executors.newFixedThreadPool(2); |
780 |
|
executor.execute(new CheckedRunnable() { |
781 |
|
public void realRun() throws InterruptedException { |
782 |
< |
threadAssertNull(q.poll()); |
783 |
< |
threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
784 |
< |
threadAssertTrue(q.isEmpty()); |
782 |
> |
assertNull(q.poll()); |
783 |
> |
assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS)); |
784 |
> |
assertTrue(q.isEmpty()); |
785 |
|
}}); |
786 |
|
|
787 |
|
executor.execute(new CheckedRunnable() { |