7 |
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*/ |
8 |
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|
9 |
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import junit.framework.*; |
10 |
< |
import java.util.*; |
10 |
> |
import java.util.Arrays; |
11 |
> |
import java.util.ArrayList; |
12 |
> |
import java.util.Collection; |
13 |
> |
import java.util.Iterator; |
14 |
> |
import java.util.NoSuchElementException; |
15 |
> |
import java.util.concurrent.BlockingQueue; |
16 |
> |
import java.util.concurrent.CountDownLatch; |
17 |
> |
import java.util.concurrent.Delayed; |
18 |
> |
import java.util.concurrent.DelayQueue; |
19 |
> |
import java.util.concurrent.Executors; |
20 |
> |
import java.util.concurrent.ExecutorService; |
21 |
> |
import java.util.concurrent.TimeUnit; |
22 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
12 |
– |
import java.util.concurrent.*; |
23 |
|
|
24 |
|
public class DelayQueueTest extends JSR166TestCase { |
25 |
+ |
|
26 |
+ |
public static class Generic extends BlockingQueueTest { |
27 |
+ |
protected BlockingQueue emptyCollection() { |
28 |
+ |
return new DelayQueue(); |
29 |
+ |
} |
30 |
+ |
protected PDelay makeElement(int i) { |
31 |
+ |
return new PDelay(i); |
32 |
+ |
} |
33 |
+ |
} |
34 |
+ |
|
35 |
|
public static void main(String[] args) { |
36 |
|
junit.textui.TestRunner.run(suite()); |
37 |
|
} |
38 |
|
|
39 |
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public static Test suite() { |
40 |
< |
return new TestSuite(DelayQueueTest.class); |
40 |
> |
return newTestSuite(DelayQueueTest.class, |
41 |
> |
new Generic().testSuite()); |
42 |
|
} |
43 |
|
|
44 |
|
private static final int NOCAP = Integer.MAX_VALUE; |
227 |
|
} |
228 |
|
|
229 |
|
/** |
209 |
– |
* offer(null) throws NPE |
210 |
– |
*/ |
211 |
– |
public void testOfferNull() { |
212 |
– |
try { |
213 |
– |
DelayQueue q = new DelayQueue(); |
214 |
– |
q.offer(null); |
215 |
– |
shouldThrow(); |
216 |
– |
} catch (NullPointerException success) {} |
217 |
– |
} |
218 |
– |
|
219 |
– |
/** |
220 |
– |
* add(null) throws NPE |
221 |
– |
*/ |
222 |
– |
public void testAddNull() { |
223 |
– |
try { |
224 |
– |
DelayQueue q = new DelayQueue(); |
225 |
– |
q.add(null); |
226 |
– |
shouldThrow(); |
227 |
– |
} catch (NullPointerException success) {} |
228 |
– |
} |
229 |
– |
|
230 |
– |
/** |
230 |
|
* offer non-null succeeds |
231 |
|
*/ |
232 |
|
public void testOffer() { |
247 |
|
} |
248 |
|
|
249 |
|
/** |
251 |
– |
* addAll(null) throws NPE |
252 |
– |
*/ |
253 |
– |
public void testAddAll1() { |
254 |
– |
try { |
255 |
– |
DelayQueue q = new DelayQueue(); |
256 |
– |
q.addAll(null); |
257 |
– |
shouldThrow(); |
258 |
– |
} catch (NullPointerException success) {} |
259 |
– |
} |
260 |
– |
|
261 |
– |
/** |
250 |
|
* addAll(this) throws IAE |
251 |
|
*/ |
252 |
|
public void testAddAllSelf() { |
258 |
|
} |
259 |
|
|
260 |
|
/** |
273 |
– |
* addAll of a collection with null elements throws NPE |
274 |
– |
*/ |
275 |
– |
public void testAddAll2() { |
276 |
– |
try { |
277 |
– |
DelayQueue q = new DelayQueue(); |
278 |
– |
PDelay[] ints = new PDelay[SIZE]; |
279 |
– |
q.addAll(Arrays.asList(ints)); |
280 |
– |
shouldThrow(); |
281 |
– |
} catch (NullPointerException success) {} |
282 |
– |
} |
283 |
– |
|
284 |
– |
/** |
261 |
|
* addAll of a collection with any null elements throws NPE after |
262 |
|
* possibly adding some elements |
263 |
|
*/ |
288 |
|
} |
289 |
|
|
290 |
|
/** |
315 |
– |
* put(null) throws NPE |
316 |
– |
*/ |
317 |
– |
public void testPutNull() { |
318 |
– |
try { |
319 |
– |
DelayQueue q = new DelayQueue(); |
320 |
– |
q.put(null); |
321 |
– |
shouldThrow(); |
322 |
– |
} catch (NullPointerException success) {} |
323 |
– |
} |
324 |
– |
|
325 |
– |
/** |
291 |
|
* all elements successfully put are contained |
292 |
|
*/ |
293 |
|
public void testPut() { |
344 |
|
} |
345 |
|
|
346 |
|
/** |
382 |
– |
* take blocks interruptibly when empty |
383 |
– |
*/ |
384 |
– |
public void testTakeFromEmptyBlocksInterruptibly() |
385 |
– |
throws InterruptedException { |
386 |
– |
final BlockingQueue q = new DelayQueue(); |
387 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
388 |
– |
Thread t = newStartedThread(new CheckedRunnable() { |
389 |
– |
public void realRun() { |
390 |
– |
threadStarted.countDown(); |
391 |
– |
try { |
392 |
– |
q.take(); |
393 |
– |
shouldThrow(); |
394 |
– |
} catch (InterruptedException success) {} |
395 |
– |
assertFalse(Thread.interrupted()); |
396 |
– |
}}); |
397 |
– |
|
398 |
– |
await(threadStarted); |
399 |
– |
assertThreadStaysAlive(t); |
400 |
– |
t.interrupt(); |
401 |
– |
awaitTermination(t); |
402 |
– |
} |
403 |
– |
|
404 |
– |
/** |
347 |
|
* Take removes existing elements until empty, then blocks interruptibly |
348 |
|
*/ |
349 |
|
public void testBlockingTake() throws InterruptedException { |
404 |
|
public void testTimedPoll() throws InterruptedException { |
405 |
|
DelayQueue q = populatedQueue(SIZE); |
406 |
|
for (int i = 0; i < SIZE; ++i) { |
407 |
< |
assertEquals(new PDelay(i), ((PDelay)q.poll(SHORT_DELAY_MS, MILLISECONDS))); |
407 |
> |
long startTime = System.nanoTime(); |
408 |
> |
assertEquals(new PDelay(i), ((PDelay)q.poll(LONG_DELAY_MS, MILLISECONDS))); |
409 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
410 |
|
} |
411 |
< |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
411 |
> |
long startTime = System.nanoTime(); |
412 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
413 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
414 |
> |
checkEmpty(q); |
415 |
|
} |
416 |
|
|
417 |
|
/** |
449 |
|
} |
450 |
|
|
451 |
|
/** |
505 |
– |
* timed poll before a delayed offer fails; after offer succeeds; |
506 |
– |
* on interruption throws |
507 |
– |
*/ |
508 |
– |
public void testTimedPollWithOffer() throws InterruptedException { |
509 |
– |
final DelayQueue q = new DelayQueue(); |
510 |
– |
final PDelay pdelay = new PDelay(0); |
511 |
– |
final CheckedBarrier barrier = new CheckedBarrier(2); |
512 |
– |
Thread t = newStartedThread(new CheckedRunnable() { |
513 |
– |
public void realRun() throws InterruptedException { |
514 |
– |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
515 |
– |
|
516 |
– |
barrier.await(); |
517 |
– |
assertSame(pdelay, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
518 |
– |
|
519 |
– |
Thread.currentThread().interrupt(); |
520 |
– |
try { |
521 |
– |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
522 |
– |
shouldThrow(); |
523 |
– |
} catch (InterruptedException success) {} |
524 |
– |
assertFalse(Thread.interrupted()); |
525 |
– |
|
526 |
– |
barrier.await(); |
527 |
– |
try { |
528 |
– |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
529 |
– |
shouldThrow(); |
530 |
– |
} catch (InterruptedException success) {} |
531 |
– |
assertFalse(Thread.interrupted()); |
532 |
– |
}}); |
533 |
– |
|
534 |
– |
barrier.await(); |
535 |
– |
long startTime = System.nanoTime(); |
536 |
– |
assertTrue(q.offer(pdelay, LONG_DELAY_MS, MILLISECONDS)); |
537 |
– |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
538 |
– |
|
539 |
– |
barrier.await(); |
540 |
– |
assertThreadStaysAlive(t); |
541 |
– |
t.interrupt(); |
542 |
– |
awaitTermination(t); |
543 |
– |
} |
544 |
– |
|
545 |
– |
/** |
452 |
|
* peek returns next element, or null if empty |
453 |
|
*/ |
454 |
|
public void testPeek() { |
611 |
|
} |
612 |
|
|
613 |
|
/** |
708 |
– |
* toArray(null) throws NullPointerException |
709 |
– |
*/ |
710 |
– |
public void testToArray_NullArg() { |
711 |
– |
DelayQueue q = populatedQueue(SIZE); |
712 |
– |
try { |
713 |
– |
q.toArray(null); |
714 |
– |
shouldThrow(); |
715 |
– |
} catch (NullPointerException success) {} |
716 |
– |
} |
717 |
– |
|
718 |
– |
/** |
614 |
|
* toArray(incompatible array type) throws ArrayStoreException |
615 |
|
*/ |
616 |
|
public void testToArray1_BadArg() { |
731 |
|
public void testTimedPollDelayed() throws InterruptedException { |
732 |
|
DelayQueue q = new DelayQueue(); |
733 |
|
q.add(new NanoDelay(LONG_DELAY_MS * 1000000L)); |
734 |
< |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
840 |
< |
} |
841 |
< |
|
842 |
< |
/** |
843 |
< |
* drainTo(null) throws NPE |
844 |
< |
*/ |
845 |
< |
public void testDrainToNull() { |
846 |
< |
DelayQueue q = populatedQueue(SIZE); |
847 |
< |
try { |
848 |
< |
q.drainTo(null); |
849 |
< |
shouldThrow(); |
850 |
< |
} catch (NullPointerException success) {} |
851 |
< |
} |
852 |
< |
|
853 |
< |
/** |
854 |
< |
* drainTo(this) throws IAE |
855 |
< |
*/ |
856 |
< |
public void testDrainToSelf() { |
857 |
< |
DelayQueue q = populatedQueue(SIZE); |
858 |
< |
try { |
859 |
< |
q.drainTo(q); |
860 |
< |
shouldThrow(); |
861 |
< |
} catch (IllegalArgumentException success) {} |
734 |
> |
assertNull(q.poll(timeoutMillis(), MILLISECONDS)); |
735 |
|
} |
736 |
|
|
737 |
|
/** |
781 |
|
} |
782 |
|
|
783 |
|
/** |
911 |
– |
* drainTo(null, n) throws NPE |
912 |
– |
*/ |
913 |
– |
public void testDrainToNullN() { |
914 |
– |
DelayQueue q = populatedQueue(SIZE); |
915 |
– |
try { |
916 |
– |
q.drainTo(null, 0); |
917 |
– |
shouldThrow(); |
918 |
– |
} catch (NullPointerException success) {} |
919 |
– |
} |
920 |
– |
|
921 |
– |
/** |
922 |
– |
* drainTo(this, n) throws IAE |
923 |
– |
*/ |
924 |
– |
public void testDrainToSelfN() { |
925 |
– |
DelayQueue q = populatedQueue(SIZE); |
926 |
– |
try { |
927 |
– |
q.drainTo(q, 0); |
928 |
– |
shouldThrow(); |
929 |
– |
} catch (IllegalArgumentException success) {} |
930 |
– |
} |
931 |
– |
|
932 |
– |
/** |
784 |
|
* drainTo(c, n) empties first min(n, size) elements of queue into c |
785 |
|
*/ |
786 |
|
public void testDrainToN() { |