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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.NoSuchElementException; |
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import java.util.Queue; |
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|
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public class ArrayBlockingQueueTest extends JSR166TestCase { |
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|
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public static class Fair extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return populatedQueue(0, SIZE, 2 * SIZE, true); |
31 |
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} |
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} |
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|
34 |
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public static class NonFair extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return populatedQueue(0, SIZE, 2 * SIZE, false); |
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} |
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} |
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|
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
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public boolean isConcurrent() { return true; } |
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public boolean permitsNulls() { return false; } |
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} |
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return newTestSuite(ArrayBlockingQueueTest.class, |
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new Fair().testSuite(), |
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new NonFair().testSuite(), |
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CollectionTest.testSuite(new Implementation())); |
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|
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return newTestSuite( |
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ArrayBlockingQueueTest.class, |
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new Fair().testSuite(), |
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new NonFair().testSuite(), |
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CollectionTest.testSuite(new Implementation())); |
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} |
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|
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public static class Fair extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return populatedQueue(0, SIZE, 2 * SIZE, true); |
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} |
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} |
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|
58 |
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public static class NonFair extends BlockingQueueTest { |
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protected BlockingQueue emptyCollection() { |
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return populatedQueue(0, SIZE, 2 * SIZE, false); |
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} |
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} |
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|
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/** |
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/** |
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* Constructor throws IAE if capacity argument nonpositive |
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*/ |
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public void testConstructor2() { |
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try { |
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new ArrayBlockingQueue(0); |
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shouldThrow(); |
112 |
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} catch (IllegalArgumentException success) {} |
108 |
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public void testConstructor_nonPositiveCapacity() { |
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for (int i : new int[] { 0, -1, Integer.MIN_VALUE }) { |
110 |
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try { |
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new ArrayBlockingQueue(i); |
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shouldThrow(); |
113 |
> |
} catch (IllegalArgumentException success) {} |
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> |
for (boolean fair : new boolean[] { true, false }) { |
115 |
> |
try { |
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new ArrayBlockingQueue(i, fair); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) {} |
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> |
} |
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} |
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} |
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|
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/** |
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* Initializing from null Collection throws NPE |
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*/ |
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public void testConstructor3() { |
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public void testConstructor_nullCollection() { |
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try { |
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new ArrayBlockingQueue(1, true, null); |
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shouldThrow(); |
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/** |
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* Initializing from too large collection throws IAE |
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*/ |
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public void testConstructor6() { |
162 |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; ++i) |
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ints[i] = i; |
154 |
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Collection<Integer> elements = Arrays.asList(ints); |
161 |
> |
public void testConstructor_collectionTooLarge() { |
162 |
> |
// just barely fits - succeeds |
163 |
> |
new ArrayBlockingQueue(SIZE, false, |
164 |
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Collections.nCopies(SIZE, "")); |
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try { |
166 |
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new ArrayBlockingQueue(SIZE - 1, false, elements); |
166 |
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new ArrayBlockingQueue(SIZE - 1, false, |
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Collections.nCopies(SIZE, "")); |
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shouldThrow(); |
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} catch (IllegalArgumentException success) {} |
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} |
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* Queue transitions from empty to full when elements added |
187 |
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*/ |
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public void testEmptyFull() { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
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BlockingQueue q = populatedQueue(0, 2, 2, false); |
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assertTrue(q.isEmpty()); |
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assertEquals(2, q.remainingCapacity()); |
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q.add(one); |
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assertFalse(q.isEmpty()); |
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q.add(two); |
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assertTrue(q.offer(two)); |
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assertFalse(q.isEmpty()); |
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assertEquals(0, q.remainingCapacity()); |
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assertFalse(q.offer(three)); |
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* remainingCapacity decreases on add, increases on remove |
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*/ |
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public void testRemainingCapacity() { |
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BlockingQueue q = populatedQueue(SIZE); |
205 |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(i, q.remainingCapacity()); |
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assertEquals(SIZE, q.size() + q.remainingCapacity()); |
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int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
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BlockingQueue q = populatedQueue(size, size, 2 * size, false); |
206 |
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int spare = q.remainingCapacity(); |
207 |
> |
int capacity = spare + size; |
208 |
> |
for (int i = 0; i < size; i++) { |
209 |
> |
assertEquals(spare + i, q.remainingCapacity()); |
210 |
> |
assertEquals(capacity, q.size() + q.remainingCapacity()); |
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assertEquals(i, q.remove()); |
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} |
213 |
< |
for (int i = 0; i < SIZE; ++i) { |
214 |
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assertEquals(SIZE - i, q.remainingCapacity()); |
215 |
< |
assertEquals(SIZE, q.size() + q.remainingCapacity()); |
213 |
> |
for (int i = 0; i < size; i++) { |
214 |
> |
assertEquals(capacity - i, q.remainingCapacity()); |
215 |
> |
assertEquals(capacity, q.size() + q.remainingCapacity()); |
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assertTrue(q.add(i)); |
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} |
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} |
231 |
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*/ |
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public void testAdd() { |
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ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE); |
234 |
< |
for (int i = 0; i < SIZE; ++i) { |
221 |
< |
assertTrue(q.add(new Integer(i))); |
222 |
< |
} |
234 |
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for (int i = 0; i < SIZE; i++) assertTrue(q.add((Integer) i)); |
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assertEquals(0, q.remainingCapacity()); |
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try { |
237 |
< |
q.add(new Integer(SIZE)); |
237 |
> |
q.add((Integer) SIZE); |
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shouldThrow(); |
239 |
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} catch (IllegalStateException success) {} |
240 |
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} |
268 |
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/** |
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* addAll throws ISE if not enough room |
270 |
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*/ |
271 |
< |
public void testAddAll4() { |
272 |
< |
ArrayBlockingQueue q = new ArrayBlockingQueue(1); |
273 |
< |
Integer[] ints = new Integer[SIZE]; |
274 |
< |
for (int i = 0; i < SIZE; ++i) |
275 |
< |
ints[i] = new Integer(i); |
271 |
> |
public void testAddAll_insufficientSpace() { |
272 |
> |
int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
273 |
> |
ArrayBlockingQueue q = populatedQueue(0, size, size, false); |
274 |
> |
// Just fits: |
275 |
> |
q.addAll(populatedQueue(size, size, 2 * size, false)); |
276 |
> |
assertEquals(0, q.remainingCapacity()); |
277 |
> |
assertEquals(size, q.size()); |
278 |
> |
assertEquals(0, q.peek()); |
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|
try { |
280 |
< |
q.addAll(Arrays.asList(ints)); |
280 |
> |
q = populatedQueue(0, size, size, false); |
281 |
> |
q.addAll(Collections.nCopies(size + 1, 42)); |
282 |
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shouldThrow(); |
283 |
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} catch (IllegalStateException success) {} |
284 |
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} |
340 |
|
}}); |
341 |
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|
342 |
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await(pleaseInterrupt); |
343 |
< |
assertThreadStaysAlive(t); |
343 |
> |
assertThreadBlocks(t, Thread.State.WAITING); |
344 |
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t.interrupt(); |
345 |
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awaitTermination(t); |
346 |
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assertEquals(SIZE, q.size()); |
362 |
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pleaseTake.countDown(); |
363 |
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q.put(86); |
364 |
|
|
365 |
+ |
Thread.currentThread().interrupt(); |
366 |
+ |
try { |
367 |
+ |
q.put(99); |
368 |
+ |
shouldThrow(); |
369 |
+ |
} catch (InterruptedException success) {} |
370 |
+ |
assertFalse(Thread.interrupted()); |
371 |
+ |
|
372 |
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pleaseInterrupt.countDown(); |
373 |
|
try { |
374 |
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q.put(99); |
382 |
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assertEquals(0, q.take()); |
383 |
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|
384 |
|
await(pleaseInterrupt); |
385 |
< |
assertThreadStaysAlive(t); |
385 |
> |
assertThreadBlocks(t, Thread.State.WAITING); |
386 |
|
t.interrupt(); |
387 |
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awaitTermination(t); |
388 |
|
assertEquals(0, q.remainingCapacity()); |
391 |
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/** |
392 |
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* timed offer times out if full and elements not taken |
393 |
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*/ |
394 |
< |
public void testTimedOffer() throws InterruptedException { |
394 |
> |
public void testTimedOffer() { |
395 |
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final ArrayBlockingQueue q = new ArrayBlockingQueue(2); |
396 |
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final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
397 |
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Thread t = newStartedThread(new CheckedRunnable() { |
401 |
|
long startTime = System.nanoTime(); |
402 |
|
assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS)); |
403 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
404 |
+ |
|
405 |
+ |
Thread.currentThread().interrupt(); |
406 |
+ |
try { |
407 |
+ |
q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS); |
408 |
+ |
shouldThrow(); |
409 |
+ |
} catch (InterruptedException success) {} |
410 |
+ |
assertFalse(Thread.interrupted()); |
411 |
+ |
|
412 |
|
pleaseInterrupt.countDown(); |
413 |
|
try { |
414 |
|
q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS); |
415 |
|
shouldThrow(); |
416 |
|
} catch (InterruptedException success) {} |
417 |
+ |
assertFalse(Thread.interrupted()); |
418 |
|
}}); |
419 |
|
|
420 |
|
await(pleaseInterrupt); |
421 |
< |
assertThreadStaysAlive(t); |
421 |
> |
assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
422 |
|
t.interrupt(); |
423 |
|
awaitTermination(t); |
424 |
|
} |
441 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
442 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
443 |
|
public void realRun() throws InterruptedException { |
444 |
< |
for (int i = 0; i < SIZE; ++i) { |
413 |
< |
assertEquals(i, q.take()); |
414 |
< |
} |
444 |
> |
for (int i = 0; i < SIZE; i++) assertEquals(i, q.take()); |
445 |
|
|
446 |
|
Thread.currentThread().interrupt(); |
447 |
|
try { |
459 |
|
}}); |
460 |
|
|
461 |
|
await(pleaseInterrupt); |
462 |
< |
assertThreadStaysAlive(t); |
462 |
> |
assertThreadBlocks(t, Thread.State.WAITING); |
463 |
|
t.interrupt(); |
464 |
|
awaitTermination(t); |
465 |
|
} |
509 |
|
*/ |
510 |
|
public void testInterruptedTimedPoll() throws InterruptedException { |
511 |
|
final BlockingQueue<Integer> q = populatedQueue(SIZE); |
512 |
< |
final CountDownLatch aboutToWait = new CountDownLatch(1); |
512 |
> |
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
513 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
514 |
|
public void realRun() throws InterruptedException { |
515 |
|
long startTime = System.nanoTime(); |
516 |
< |
for (int i = 0; i < SIZE; ++i) { |
516 |
> |
for (int i = 0; i < SIZE; i++) |
517 |
|
assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS)); |
518 |
< |
} |
519 |
< |
aboutToWait.countDown(); |
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 |
> |
pleaseInterrupt.countDown(); |
527 |
|
try { |
528 |
|
q.poll(LONG_DELAY_MS, MILLISECONDS); |
529 |
|
shouldThrow(); |
530 |
< |
} catch (InterruptedException success) { |
531 |
< |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
532 |
< |
} |
530 |
> |
} catch (InterruptedException success) {} |
531 |
> |
assertFalse(Thread.interrupted()); |
532 |
> |
|
533 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
534 |
|
}}); |
535 |
|
|
536 |
< |
await(aboutToWait); |
537 |
< |
waitForThreadToEnterWaitState(t); |
536 |
> |
await(pleaseInterrupt); |
537 |
> |
assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
538 |
|
t.interrupt(); |
539 |
|
awaitTermination(t); |
540 |
|
checkEmpty(q); |
587 |
|
* contains(x) reports true when elements added but not yet removed |
588 |
|
*/ |
589 |
|
public void testContains() { |
590 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
591 |
< |
for (int i = 0; i < SIZE; ++i) { |
590 |
> |
int size = ThreadLocalRandom.current().nextInt(1, SIZE); |
591 |
> |
ArrayBlockingQueue q = populatedQueue(size, size, 2 * size, false); |
592 |
> |
assertFalse(q.contains(null)); |
593 |
> |
for (int i = 0; i < size; ++i) { |
594 |
|
assertTrue(q.contains(new Integer(i))); |
595 |
|
assertEquals(i, q.poll()); |
596 |
|
assertFalse(q.contains(new Integer(i))); |
601 |
|
* clear removes all elements |
602 |
|
*/ |
603 |
|
public void testClear() { |
604 |
< |
ArrayBlockingQueue q = populatedQueue(SIZE); |
604 |
> |
int size = ThreadLocalRandom.current().nextInt(1, 5); |
605 |
> |
ArrayBlockingQueue q = populatedQueue(size, size, 2 * size, false); |
606 |
> |
int capacity = size + q.remainingCapacity(); |
607 |
|
q.clear(); |
608 |
|
assertTrue(q.isEmpty()); |
609 |
|
assertEquals(0, q.size()); |
610 |
< |
assertEquals(SIZE, q.remainingCapacity()); |
610 |
> |
assertEquals(capacity, q.remainingCapacity()); |
611 |
|
q.add(one); |
612 |
|
assertFalse(q.isEmpty()); |
613 |
|
assertTrue(q.contains(one)); |
961 |
|
*/ |
962 |
|
public void testNeverContainsNull() { |
963 |
|
Collection<?>[] qs = { |
964 |
< |
new ArrayBlockingQueue<Object>(10), |
965 |
< |
populatedQueue(2), |
964 |
> |
populatedQueue(0, 1, 10, false), |
965 |
> |
populatedQueue(2, 2, 10, true), |
966 |
|
}; |
967 |
|
|
968 |
|
for (Collection<?> q : qs) { |