14 |
|
|
15 |
|
public class LinkedBlockingQueueTest extends JSR166TestCase { |
16 |
|
|
17 |
+ |
public static class Unbounded extends BlockingQueueTest { |
18 |
+ |
protected BlockingQueue emptyCollection() { |
19 |
+ |
return new LinkedBlockingQueue(); |
20 |
+ |
} |
21 |
+ |
} |
22 |
+ |
|
23 |
+ |
public static class Bounded extends BlockingQueueTest { |
24 |
+ |
protected BlockingQueue emptyCollection() { |
25 |
+ |
return new LinkedBlockingQueue(20); |
26 |
+ |
} |
27 |
+ |
} |
28 |
+ |
|
29 |
|
public static void main(String[] args) { |
30 |
|
junit.textui.TestRunner.run(suite()); |
31 |
|
} |
32 |
|
|
33 |
|
public static Test suite() { |
34 |
< |
return new TestSuite(LinkedBlockingQueueTest.class); |
34 |
> |
return newTestSuite(LinkedBlockingQueueTest.class, |
35 |
> |
new Unbounded().testSuite(), |
36 |
> |
new Bounded().testSuite()); |
37 |
|
} |
38 |
|
|
39 |
|
|
381 |
|
} |
382 |
|
|
383 |
|
/** |
370 |
– |
* take blocks interruptibly when empty |
371 |
– |
*/ |
372 |
– |
public void testTakeFromEmpty() throws InterruptedException { |
373 |
– |
final LinkedBlockingQueue q = new LinkedBlockingQueue(2); |
374 |
– |
Thread t = new ThreadShouldThrow(InterruptedException.class) { |
375 |
– |
public void realRun() throws InterruptedException { |
376 |
– |
q.take(); |
377 |
– |
}}; |
378 |
– |
|
379 |
– |
t.start(); |
380 |
– |
Thread.sleep(SHORT_DELAY_MS); |
381 |
– |
t.interrupt(); |
382 |
– |
t.join(); |
383 |
– |
} |
384 |
– |
|
385 |
– |
/** |
384 |
|
* Take removes existing elements until empty, then blocks interruptibly |
385 |
|
*/ |
386 |
|
public void testBlockingTake() throws InterruptedException { |
459 |
|
} |
460 |
|
|
461 |
|
/** |
464 |
– |
* timed poll before a delayed offer fails; after offer succeeds; |
465 |
– |
* on interruption throws |
466 |
– |
*/ |
467 |
– |
public void testTimedPollWithOffer() throws InterruptedException { |
468 |
– |
final LinkedBlockingQueue q = new LinkedBlockingQueue(2); |
469 |
– |
Thread t = new Thread(new CheckedRunnable() { |
470 |
– |
public void realRun() throws InterruptedException { |
471 |
– |
assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS)); |
472 |
– |
assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS)); |
473 |
– |
try { |
474 |
– |
q.poll(LONG_DELAY_MS, MILLISECONDS); |
475 |
– |
shouldThrow(); |
476 |
– |
} catch (InterruptedException success) {} |
477 |
– |
}}); |
478 |
– |
|
479 |
– |
t.start(); |
480 |
– |
Thread.sleep(SMALL_DELAY_MS); |
481 |
– |
assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS)); |
482 |
– |
t.interrupt(); |
483 |
– |
t.join(); |
484 |
– |
} |
485 |
– |
|
486 |
– |
/** |
462 |
|
* peek returns next element, or null if empty |
463 |
|
*/ |
464 |
|
public void testPeek() { |
879 |
|
} |
880 |
|
|
881 |
|
/** |
882 |
< |
* drainTo(c, n) empties first max {n, size} elements of queue into c |
882 |
> |
* drainTo(c, n) empties first min(n, size) elements of queue into c |
883 |
|
*/ |
884 |
|
public void testDrainToN() { |
885 |
|
LinkedBlockingQueue q = new LinkedBlockingQueue(); |
888 |
|
assertTrue(q.offer(new Integer(j))); |
889 |
|
ArrayList l = new ArrayList(); |
890 |
|
q.drainTo(l, i); |
891 |
< |
int k = (i < SIZE)? i : SIZE; |
891 |
> |
int k = (i < SIZE) ? i : SIZE; |
892 |
|
assertEquals(l.size(), k); |
893 |
|
assertEquals(q.size(), SIZE-k); |
894 |
|
for (int j = 0; j < k; ++j) |