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Comparing jsr166/src/test/tck/LinkedBlockingDequeTest.java (file contents):
Revision 1.21 by jsr166, Wed Aug 25 00:07:03 2010 UTC vs.
Revision 1.83 by jsr166, Mon May 28 21:19:50 2018 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	–	import junit.framework.*;
8	–	import java.util.*;
9	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.io.*;
8	>
9	>	import java.util.ArrayList;
10	>	import java.util.Arrays;
11	>	import java.util.Collection;
12	>	import java.util.Deque;
13	>	import java.util.Iterator;
14	>	import java.util.NoSuchElementException;
15	>	import java.util.Queue;
16	>	import java.util.concurrent.BlockingDeque;
17	>	import java.util.concurrent.BlockingQueue;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.LinkedBlockingDeque;
22	>
23	>	import junit.framework.Test;
24
25		public class LinkedBlockingDequeTest extends JSR166TestCase {
26	+
27	+	public static class Unbounded extends BlockingQueueTest {
28	+	protected BlockingQueue emptyCollection() {
29	+	return new LinkedBlockingDeque();
30	+	}
31	+	}
32	+
33	+	public static class Bounded extends BlockingQueueTest {
34	+	protected BlockingQueue emptyCollection() {
35	+	return new LinkedBlockingDeque(SIZE);
36	+	}
37	+	}
38	+
39		public static void main(String[] args) {
40	<	junit.textui.TestRunner.run(suite());
40	>	main(suite(), args);
41		}
42
43		public static Test suite() {
44	<	return new TestSuite(LinkedBlockingDequeTest.class);
44	>	class Implementation implements CollectionImplementation {
45	>	public Class<?> klazz() { return LinkedBlockingDeque.class; }
46	>	public Collection emptyCollection() { return new LinkedBlockingDeque(); }
47	>	public Object makeElement(int i) { return i; }
48	>	public boolean isConcurrent() { return true; }
49	>	public boolean permitsNulls() { return false; }
50	>	}
51	>	return newTestSuite(LinkedBlockingDequeTest.class,
52	>	new Unbounded().testSuite(),
53	>	new Bounded().testSuite(),
54	>	CollectionTest.testSuite(new Implementation()));
55		}
56
57		/**
58	<	* Create a deque of given size containing consecutive
59	<	* Integers 0 ... n.
60	<	*/
61	<	private LinkedBlockingDeque populatedDeque(int n) {
62	<	LinkedBlockingDeque q = new LinkedBlockingDeque(n);
58	>	* Returns a new deque of given size containing consecutive
59	>	* Integers 0 ... n - 1.
60	>	*/
61	>	private static LinkedBlockingDeque<Integer> populatedDeque(int n) {
62	>	LinkedBlockingDeque<Integer> q =
63	>	new LinkedBlockingDeque<Integer>(n);
64		assertTrue(q.isEmpty());
65		for (int i = 0; i < n; i++)
66		assertTrue(q.offer(new Integer(i)));
67		assertFalse(q.isEmpty());
68		assertEquals(0, q.remainingCapacity());
69		assertEquals(n, q.size());
70	+	assertEquals((Integer) 0, q.peekFirst());
71	+	assertEquals((Integer) (n - 1), q.peekLast());
72		return q;
73		}
74
#	Line 54 | Line 92 | public class LinkedBlockingDequeTest ext
92		public void testSize() {
93		LinkedBlockingDeque q = populatedDeque(SIZE);
94		for (int i = 0; i < SIZE; ++i) {
95	<	assertEquals(SIZE-i, q.size());
95	>	assertEquals(SIZE - i, q.size());
96		q.removeFirst();
97		}
98		for (int i = 0; i < SIZE; ++i) {
#	Line 64 | Line 102 | public class LinkedBlockingDequeTest ext
102		}
103
104		/**
105	<	* offer(null) throws NPE
105	>	* offerFirst(null) throws NullPointerException
106		*/
107		public void testOfferFirstNull() {
108	+	LinkedBlockingDeque q = new LinkedBlockingDeque();
109		try {
71	–	LinkedBlockingDeque q = new LinkedBlockingDeque();
110		q.offerFirst(null);
111		shouldThrow();
112		} catch (NullPointerException success) {}
113		}
114
115		/**
116	+	* offerLast(null) throws NullPointerException
117	+	*/
118	+	public void testOfferLastNull() {
119	+	LinkedBlockingDeque q = new LinkedBlockingDeque();
120	+	try {
121	+	q.offerLast(null);
122	+	shouldThrow();
123	+	} catch (NullPointerException success) {}
124	+	}
125	+
126	+	/**
127		* OfferFirst succeeds
128		*/
129		public void testOfferFirst() {
#	Line 93 | Line 142 | public class LinkedBlockingDequeTest ext
142		}
143
144		/**
145	<	*  pollFirst succeeds unless empty
145	>	* pollFirst succeeds unless empty
146		*/
147		public void testPollFirst() {
148		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 104 | Line 153 | public class LinkedBlockingDequeTest ext
153		}
154
155		/**
156	<	*  pollLast succeeds unless empty
156	>	* pollLast succeeds unless empty
157		*/
158		public void testPollLast() {
159		LinkedBlockingDeque q = populatedDeque(SIZE);
160	<	for (int i = SIZE-1; i >= 0; --i) {
160	>	for (int i = SIZE - 1; i >= 0; --i) {
161		assertEquals(i, q.pollLast());
162		}
163		assertNull(q.pollLast());
164		}
165
166		/**
167	<	*  peekFirst returns next element, or null if empty
167	>	* peekFirst returns next element, or null if empty
168		*/
169		public void testPeekFirst() {
170		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 129 | Line 178 | public class LinkedBlockingDequeTest ext
178		}
179
180		/**
181	<	*  peek returns next element, or null if empty
181	>	* peek returns next element, or null if empty
182		*/
183		public void testPeek() {
184		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 143 | Line 192 | public class LinkedBlockingDequeTest ext
192		}
193
194		/**
195	<	*  peekLast returns next element, or null if empty
195	>	* peekLast returns next element, or null if empty
196		*/
197		public void testPeekLast() {
198		LinkedBlockingDeque q = populatedDeque(SIZE);
199	<	for (int i = SIZE-1; i >= 0; --i) {
199	>	for (int i = SIZE - 1; i >= 0; --i) {
200		assertEquals(i, q.peekLast());
201		assertEquals(i, q.pollLast());
202		assertTrue(q.peekLast() == null ||
#	Line 157 | Line 206 | public class LinkedBlockingDequeTest ext
206		}
207
208		/**
209	<	* getFirst returns next getFirst, or throws NSEE if empty
209	>	* getFirst() returns first element, or throws NSEE if empty
210		*/
211		public void testFirstElement() {
212		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 173 | Line 222 | public class LinkedBlockingDequeTest ext
222		}
223
224		/**
225	<	*  getLast returns next element, or throws NSEE if empty
225	>	* getLast() returns last element, or throws NSEE if empty
226		*/
227		public void testLastElement() {
228		LinkedBlockingDeque q = populatedDeque(SIZE);
229	<	for (int i = SIZE-1; i >= 0; --i) {
229	>	for (int i = SIZE - 1; i >= 0; --i) {
230		assertEquals(i, q.getLast());
231		assertEquals(i, q.pollLast());
232		}
#	Line 189 | Line 238 | public class LinkedBlockingDequeTest ext
238		}
239
240		/**
241	<	*  removeFirst removes next element, or throws NSEE if empty
241	>	* removeFirst() removes first element, or throws NSEE if empty
242		*/
243		public void testRemoveFirst() {
244		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 204 | Line 253 | public class LinkedBlockingDequeTest ext
253		}
254
255		/**
256	<	*  removeLast removes last element, or throws NSEE if empty
256	>	* removeLast() removes last element, or throws NSEE if empty
257		*/
258		public void testRemoveLast() {
259		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 219 | Line 268 | public class LinkedBlockingDequeTest ext
268		}
269
270		/**
271	<	*  remove removes next element, or throws NSEE if empty
271	>	* remove removes next element, or throws NSEE if empty
272		*/
273		public void testRemove() {
274		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 237 | Line 286 | public class LinkedBlockingDequeTest ext
286		*/
287		public void testRemoveFirstOccurrence() {
288		LinkedBlockingDeque q = populatedDeque(SIZE);
289	<	for (int i = 1; i < SIZE; i+=2) {
289	>	for (int i = 1; i < SIZE; i += 2) {
290		assertTrue(q.removeFirstOccurrence(new Integer(i)));
291		}
292	<	for (int i = 0; i < SIZE; i+=2) {
292	>	for (int i = 0; i < SIZE; i += 2) {
293		assertTrue(q.removeFirstOccurrence(new Integer(i)));
294	<	assertFalse(q.removeFirstOccurrence(new Integer(i+1)));
294	>	assertFalse(q.removeFirstOccurrence(new Integer(i + 1)));
295		}
296		assertTrue(q.isEmpty());
297		}
#	Line 252 | Line 301 | public class LinkedBlockingDequeTest ext
301		*/
302		public void testRemoveLastOccurrence() {
303		LinkedBlockingDeque q = populatedDeque(SIZE);
304	<	for (int i = 1; i < SIZE; i+=2) {
304	>	for (int i = 1; i < SIZE; i += 2) {
305		assertTrue(q.removeLastOccurrence(new Integer(i)));
306		}
307	<	for (int i = 0; i < SIZE; i+=2) {
307	>	for (int i = 0; i < SIZE; i += 2) {
308		assertTrue(q.removeLastOccurrence(new Integer(i)));
309	<	assertFalse(q.removeLastOccurrence(new Integer(i+1)));
309	>	assertFalse(q.removeLastOccurrence(new Integer(i + 1)));
310		}
311		assertTrue(q.isEmpty());
312		}
#	Line 282 | Line 331 | public class LinkedBlockingDequeTest ext
331		assertSame(four, q.peekLast());
332		}
333
285	–
334		/**
335		* A new deque has the indicated capacity, or Integer.MAX_VALUE if
336		* none given
#	Line 293 | Line 341 | public class LinkedBlockingDequeTest ext
341		}
342
343		/**
344	<	* Constructor throws IAE if capacity argument nonpositive
344	>	* Constructor throws IllegalArgumentException if capacity argument nonpositive
345		*/
346		public void testConstructor2() {
347		try {
348	<	LinkedBlockingDeque q = new LinkedBlockingDeque(0);
348	>	new LinkedBlockingDeque(0);
349		shouldThrow();
350		} catch (IllegalArgumentException success) {}
351		}
352
353		/**
354	<	* Initializing from null Collection throws NPE
354	>	* Initializing from null Collection throws NullPointerException
355		*/
356		public void testConstructor3() {
357		try {
358	<	LinkedBlockingDeque q = new LinkedBlockingDeque(null);
358	>	new LinkedBlockingDeque(null);
359		shouldThrow();
360		} catch (NullPointerException success) {}
361		}
362
363		/**
364	<	* Initializing from Collection of null elements throws NPE
364	>	* Initializing from Collection of null elements throws NullPointerException
365		*/
366		public void testConstructor4() {
367	+	Collection<Integer> elements = Arrays.asList(new Integer[SIZE]);
368		try {
369	<	Integer[] ints = new Integer[SIZE];
321	<	LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
369	>	new LinkedBlockingDeque(elements);
370		shouldThrow();
371		} catch (NullPointerException success) {}
372		}
373
374		/**
375	<	* Initializing from Collection with some null elements throws NPE
375	>	* Initializing from Collection with some null elements throws
376	>	* NullPointerException
377		*/
378		public void testConstructor5() {
379	+	Integer[] ints = new Integer[SIZE];
380	+	for (int i = 0; i < SIZE - 1; ++i)
381	+	ints[i] = i;
382	+	Collection<Integer> elements = Arrays.asList(ints);
383		try {
384	<	Integer[] ints = new Integer[SIZE];
332	<	for (int i = 0; i < SIZE-1; ++i)
333	<	ints[i] = new Integer(i);
334	<	LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
384	>	new LinkedBlockingDeque(elements);
385		shouldThrow();
386		} catch (NullPointerException success) {}
387		}
#	Line 342 | Line 392 | public class LinkedBlockingDequeTest ext
392		public void testConstructor6() {
393		Integer[] ints = new Integer[SIZE];
394		for (int i = 0; i < SIZE; ++i)
395	<	ints[i] = new Integer(i);
395	>	ints[i] = i;
396		LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
397		for (int i = 0; i < SIZE; ++i)
398		assertEquals(ints[i], q.poll());
#	Line 367 | Line 417 | public class LinkedBlockingDequeTest ext
417		* remainingCapacity decreases on add, increases on remove
418		*/
419		public void testRemainingCapacity() {
420	<	LinkedBlockingDeque q = populatedDeque(SIZE);
420	>	BlockingQueue q = populatedDeque(SIZE);
421		for (int i = 0; i < SIZE; ++i) {
422		assertEquals(i, q.remainingCapacity());
423	<	assertEquals(SIZE-i, q.size());
424	<	q.remove();
423	>	assertEquals(SIZE, q.size() + q.remainingCapacity());
424	>	assertEquals(i, q.remove());
425		}
426		for (int i = 0; i < SIZE; ++i) {
427	<	assertEquals(SIZE-i, q.remainingCapacity());
428	<	assertEquals(i, q.size());
429	<	q.add(new Integer(i));
427	>	assertEquals(SIZE - i, q.remainingCapacity());
428	>	assertEquals(SIZE, q.size() + q.remainingCapacity());
429	>	assertTrue(q.add(i));
430		}
431		}
432
433		/**
384	–	* offer(null) throws NPE
385	–	*/
386	–	public void testOfferNull() {
387	–	try {
388	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
389	–	q.offer(null);
390	–	shouldThrow();
391	–	} catch (NullPointerException success) {}
392	–	}
393	–
394	–	/**
395	–	* add(null) throws NPE
396	–	*/
397	–	public void testAddNull() {
398	–	try {
399	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
400	–	q.add(null);
401	–	shouldThrow();
402	–	} catch (NullPointerException success) {}
403	–	}
404	–
405	–	/**
434		* push(null) throws NPE
435		*/
436		public void testPushNull() {
437	+	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
438		try {
410	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
439		q.push(null);
440		shouldThrow();
441		} catch (NullPointerException success) {}
442		}
443
444		/**
445	<	* push succeeds if not full; throws ISE if full
445	>	* push succeeds if not full; throws IllegalStateException if full
446		*/
447		public void testPush() {
448	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
449	+	for (int i = 0; i < SIZE; ++i) {
450	+	Integer x = new Integer(i);
451	+	q.push(x);
452	+	assertEquals(x, q.peek());
453	+	}
454	+	assertEquals(0, q.remainingCapacity());
455		try {
421	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
422	–	for (int i = 0; i < SIZE; ++i) {
423	–	Integer I = new Integer(i);
424	–	q.push(I);
425	–	assertEquals(I, q.peek());
426	–	}
427	–	assertEquals(0, q.remainingCapacity());
456		q.push(new Integer(SIZE));
457		shouldThrow();
458		} catch (IllegalStateException success) {}
#	Line 440 | Line 468 | public class LinkedBlockingDequeTest ext
468		assertSame(four, q.peekFirst());
469		}
470
443	–
471		/**
472	<	*  pop removes next element, or throws NSEE if empty
472	>	* pop removes next element, or throws NSEE if empty
473		*/
474		public void testPop() {
475		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 455 | Line 482 | public class LinkedBlockingDequeTest ext
482		} catch (NoSuchElementException success) {}
483		}
484
458	–
485		/**
486		* Offer succeeds if not full; fails if full
487		*/
#	Line 466 | Line 492 | public class LinkedBlockingDequeTest ext
492		}
493
494		/**
495	<	* add succeeds if not full; throws ISE if full
495	>	* add succeeds if not full; throws IllegalStateException if full
496		*/
497		public void testAdd() {
498	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
499	+	for (int i = 0; i < SIZE; ++i)
500	+	assertTrue(q.add(new Integer(i)));
501	+	assertEquals(0, q.remainingCapacity());
502		try {
473	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
474	–	for (int i = 0; i < SIZE; ++i) {
475	–	assertTrue(q.add(new Integer(i)));
476	–	}
477	–	assertEquals(0, q.remainingCapacity());
503		q.add(new Integer(SIZE));
504		shouldThrow();
505		} catch (IllegalStateException success) {}
506		}
507
508		/**
509	<	* addAll(null) throws NPE
485	<	*/
486	<	public void testAddAll1() {
487	<	try {
488	<	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
489	<	q.addAll(null);
490	<	shouldThrow();
491	<	} catch (NullPointerException success) {}
492	<	}
493	<
494	<	/**
495	<	* addAll(this) throws IAE
509	>	* addAll(this) throws IllegalArgumentException
510		*/
511		public void testAddAllSelf() {
512	+	LinkedBlockingDeque q = populatedDeque(SIZE);
513		try {
499	–	LinkedBlockingDeque q = populatedDeque(SIZE);
514		q.addAll(q);
515		shouldThrow();
516		} catch (IllegalArgumentException success) {}
517		}
518
519		/**
506	–	* addAll of a collection with null elements throws NPE
507	–	*/
508	–	public void testAddAll2() {
509	–	try {
510	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
511	–	Integer[] ints = new Integer[SIZE];
512	–	q.addAll(Arrays.asList(ints));
513	–	shouldThrow();
514	–	} catch (NullPointerException success) {}
515	–	}
516	–	/**
520		* addAll of a collection with any null elements throws NPE after
521		* possibly adding some elements
522		*/
523		public void testAddAll3() {
524	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
525	+	Integer[] ints = new Integer[SIZE];
526	+	for (int i = 0; i < SIZE - 1; ++i)
527	+	ints[i] = new Integer(i);
528	+	Collection<Integer> elements = Arrays.asList(ints);
529		try {
530	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
523	<	Integer[] ints = new Integer[SIZE];
524	<	for (int i = 0; i < SIZE-1; ++i)
525	<	ints[i] = new Integer(i);
526	<	q.addAll(Arrays.asList(ints));
530	>	q.addAll(elements);
531		shouldThrow();
532		} catch (NullPointerException success) {}
533		}
534	+
535		/**
536	<	* addAll throws ISE if not enough room
536	>	* addAll throws IllegalStateException if not enough room
537		*/
538		public void testAddAll4() {
539	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE - 1);
540	+	Integer[] ints = new Integer[SIZE];
541	+	for (int i = 0; i < SIZE; ++i)
542	+	ints[i] = new Integer(i);
543	+	Collection<Integer> elements = Arrays.asList(ints);
544		try {
545	<	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
536	<	Integer[] ints = new Integer[SIZE];
537	<	for (int i = 0; i < SIZE; ++i)
538	<	ints[i] = new Integer(i);
539	<	q.addAll(Arrays.asList(ints));
545	>	q.addAll(elements);
546		shouldThrow();
547		} catch (IllegalStateException success) {}
548		}
#	Line 556 | Line 562 | public class LinkedBlockingDequeTest ext
562		assertEquals(ints[i], q.poll());
563		}
564
559	–
560	–	/**
561	–	* put(null) throws NPE
562	–	*/
563	–	public void testPutNull() throws InterruptedException {
564	–	try {
565	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
566	–	q.put(null);
567	–	shouldThrow();
568	–	} catch (NullPointerException success) {}
569	–	}
570	–
565		/**
566		* all elements successfully put are contained
567		*/
568		public void testPut() throws InterruptedException {
569		LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
570		for (int i = 0; i < SIZE; ++i) {
571	<	Integer I = new Integer(i);
572	<	q.put(I);
573	<	assertTrue(q.contains(I));
571	>	Integer x = new Integer(i);
572	>	q.put(x);
573	>	assertTrue(q.contains(x));
574		}
575		assertEquals(0, q.remainingCapacity());
576		}
#	Line 586 | Line 580 | public class LinkedBlockingDequeTest ext
580		*/
581		public void testBlockingPut() throws InterruptedException {
582		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
583	<	Thread t = new Thread(new CheckedRunnable() {
583	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
584	>	Thread t = newStartedThread(new CheckedRunnable() {
585		public void realRun() throws InterruptedException {
586		for (int i = 0; i < SIZE; ++i)
587		q.put(i);
588		assertEquals(SIZE, q.size());
589		assertEquals(0, q.remainingCapacity());
590	+
591	+	Thread.currentThread().interrupt();
592	+	try {
593	+	q.put(99);
594	+	shouldThrow();
595	+	} catch (InterruptedException success) {}
596	+	assertFalse(Thread.interrupted());
597	+
598	+	pleaseInterrupt.countDown();
599		try {
600		q.put(99);
601		shouldThrow();
602		} catch (InterruptedException success) {}
603	+	assertFalse(Thread.interrupted());
604		}});
605
606	<	t.start();
607	<	Thread.sleep(SHORT_DELAY_MS);
606	>	await(pleaseInterrupt);
607	>	assertThreadBlocks(t, Thread.State.WAITING);
608		t.interrupt();
609	<	t.join();
609	>	awaitTermination(t);
610		assertEquals(SIZE, q.size());
611		assertEquals(0, q.remainingCapacity());
612		}
613
614		/**
615	<	* put blocks waiting for take when full
615	>	* put blocks interruptibly waiting for take when full
616		*/
617		public void testPutWithTake() throws InterruptedException {
618		final int capacity = 2;
619		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
620	<	Thread t = new Thread(new CheckedRunnable() {
620	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
621	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
622	>	Thread t = newStartedThread(new CheckedRunnable() {
623		public void realRun() throws InterruptedException {
624	<	for (int i = 0; i < capacity + 1; i++)
624	>	for (int i = 0; i < capacity; i++)
625		q.put(i);
626	+	pleaseTake.countDown();
627	+	q.put(86);
628	+
629	+	Thread.currentThread().interrupt();
630		try {
631		q.put(99);
632		shouldThrow();
633		} catch (InterruptedException success) {}
634	+	assertFalse(Thread.interrupted());
635	+
636	+	pleaseInterrupt.countDown();
637	+	try {
638	+	q.put(99);
639	+	shouldThrow();
640	+	} catch (InterruptedException success) {}
641	+	assertFalse(Thread.interrupted());
642		}});
643
644	<	t.start();
645	<	Thread.sleep(SHORT_DELAY_MS);
627	<	assertEquals(q.remainingCapacity(), 0);
644	>	await(pleaseTake);
645	>	assertEquals(0, q.remainingCapacity());
646		assertEquals(0, q.take());
647	<	Thread.sleep(SHORT_DELAY_MS);
647	>
648	>	await(pleaseInterrupt);
649	>	assertThreadBlocks(t, Thread.State.WAITING);
650		t.interrupt();
651	<	t.join();
652	<	assertEquals(q.remainingCapacity(), 0);
651	>	awaitTermination(t);
652	>	assertEquals(0, q.remainingCapacity());
653		}
654
655		/**
656		* timed offer times out if full and elements not taken
657		*/
658	<	public void testTimedOffer() throws InterruptedException {
658	>	public void testTimedOffer() {
659		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
660	<	Thread t = new Thread(new CheckedRunnable() {
660	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
661	>	Thread t = newStartedThread(new CheckedRunnable() {
662		public void realRun() throws InterruptedException {
663		q.put(new Object());
664		q.put(new Object());
665	<	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
665	>	long startTime = System.nanoTime();
666	>	assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS));
667	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
668	>
669	>	Thread.currentThread().interrupt();
670		try {
671	<	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
671	>	q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
672		shouldThrow();
673		} catch (InterruptedException success) {}
674	+	assertFalse(Thread.interrupted());
675	+
676	+	pleaseInterrupt.countDown();
677	+	try {
678	+	q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
679	+	shouldThrow();
680	+	} catch (InterruptedException success) {}
681	+	assertFalse(Thread.interrupted());
682		}});
683
684	<	t.start();
685	<	Thread.sleep(SMALL_DELAY_MS);
684	>	await(pleaseInterrupt);
685	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
686		t.interrupt();
687	<	t.join();
687	>	awaitTermination(t);
688		}
689
690		/**
#	Line 665 | Line 698 | public class LinkedBlockingDequeTest ext
698		}
699
700		/**
701	<	* take blocks interruptibly when empty
669	<	*/
670	<	public void testTakeFromEmpty() throws InterruptedException {
671	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
672	<	Thread t = new ThreadShouldThrow(InterruptedException.class) {
673	<	public void realRun() throws InterruptedException {
674	<	q.take();
675	<	}};
676	<
677	<	t.start();
678	<	Thread.sleep(SHORT_DELAY_MS);
679	<	t.interrupt();
680	<	t.join();
681	<	}
682	<
683	<	/**
684	<	* Take removes existing elements until empty, then blocks interruptibly
701	>	* take removes existing elements until empty, then blocks interruptibly
702		*/
703		public void testBlockingTake() throws InterruptedException {
704		final LinkedBlockingDeque q = populatedDeque(SIZE);
705	<	Thread t = new Thread(new CheckedRunnable() {
705	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
706	>	Thread t = newStartedThread(new CheckedRunnable() {
707		public void realRun() throws InterruptedException {
708	<	for (int i = 0; i < SIZE; ++i) {
709	<	assertEquals(i, q.take());
710	<	}
708	>	for (int i = 0; i < SIZE; i++) assertEquals(i, q.take());
709	>
710	>	Thread.currentThread().interrupt();
711		try {
712		q.take();
713		shouldThrow();
714		} catch (InterruptedException success) {}
715	+	assertFalse(Thread.interrupted());
716	+
717	+	pleaseInterrupt.countDown();
718	+	try {
719	+	q.take();
720	+	shouldThrow();
721	+	} catch (InterruptedException success) {}
722	+	assertFalse(Thread.interrupted());
723		}});
724
725	<	t.start();
726	<	Thread.sleep(SHORT_DELAY_MS);
725	>	await(pleaseInterrupt);
726	>	assertThreadBlocks(t, Thread.State.WAITING);
727		t.interrupt();
728	<	t.join();
728	>	awaitTermination(t);
729		}
730
705	–
731		/**
732		* poll succeeds unless empty
733		*/
#	Line 731 | Line 756 | public class LinkedBlockingDequeTest ext
756		public void testTimedPoll() throws InterruptedException {
757		LinkedBlockingDeque q = populatedDeque(SIZE);
758		for (int i = 0; i < SIZE; ++i) {
759	<	assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS));
760	<	}
761	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
759	>	long startTime = System.nanoTime();
760	>	assertEquals(i, q.poll(LONG_DELAY_MS, MILLISECONDS));
761	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
762	>	}
763	>	long startTime = System.nanoTime();
764	>	assertNull(q.poll(timeoutMillis(), MILLISECONDS));
765	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
766	>	checkEmpty(q);
767		}
768
769		/**
#	Line 741 | Line 771 | public class LinkedBlockingDequeTest ext
771		* returning timeout status
772		*/
773		public void testInterruptedTimedPoll() throws InterruptedException {
774	<	Thread t = new Thread(new CheckedRunnable() {
775	<	public void realRun() throws InterruptedException {
776	<	LinkedBlockingDeque q = populatedDeque(SIZE);
777	<	for (int i = 0; i < SIZE; ++i) {
778	<	assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS));
779	<	}
774	>	final BlockingQueue<Integer> q = populatedDeque(SIZE);
775	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
776	>	Thread t = newStartedThread(new CheckedRunnable() {
777	>	public void realRun() throws InterruptedException {
778	>	long startTime = System.nanoTime();
779	>	for (int i = 0; i < SIZE; i++)
780	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
781	>
782	>	Thread.currentThread().interrupt();
783		try {
784	<	q.poll(SMALL_DELAY_MS, MILLISECONDS);
784	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
785		shouldThrow();
786		} catch (InterruptedException success) {}
787	<	}});
755	<
756	<	t.start();
757	<	Thread.sleep(SHORT_DELAY_MS);
758	<	t.interrupt();
759	<	t.join();
760	<	}
787	>	assertFalse(Thread.interrupted());
788
789	<	/**
763	<	*  timed poll before a delayed offer fails; after offer succeeds;
764	<	*  on interruption throws
765	<	*/
766	<	public void testTimedPollWithOffer() throws InterruptedException {
767	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
768	<	Thread t = new Thread(new CheckedRunnable() {
769	<	public void realRun() throws InterruptedException {
770	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
771	<	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
789	>	pleaseInterrupt.countDown();
790		try {
791		q.poll(LONG_DELAY_MS, MILLISECONDS);
792		shouldThrow();
793		} catch (InterruptedException success) {}
794	+	assertFalse(Thread.interrupted());
795	+
796	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
797		}});
798
799	<	t.start();
800	<	Thread.sleep(SMALL_DELAY_MS);
780	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
799	>	await(pleaseInterrupt);
800	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
801		t.interrupt();
802	<	t.join();
802	>	awaitTermination(t);
803	>	checkEmpty(q);
804		}
805
785	–
806		/**
807		* putFirst(null) throws NPE
808		*/
809	<	public void testPutFirstNull() throws InterruptedException {
809	>	public void testPutFirstNull() throws InterruptedException {
810	>	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
811		try {
791	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
812		q.putFirst(null);
813		shouldThrow();
814		} catch (NullPointerException success) {}
815	<	}
815	>	}
816
817		/**
818		* all elements successfully putFirst are contained
819		*/
820	<	public void testPutFirst() throws InterruptedException {
821	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
822	<	for (int i = 0; i < SIZE; ++i) {
823	<	Integer I = new Integer(i);
824	<	q.putFirst(I);
825	<	assertTrue(q.contains(I));
826	<	}
827	<	assertEquals(0, q.remainingCapacity());
820	>	public void testPutFirst() throws InterruptedException {
821	>	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
822	>	for (int i = 0; i < SIZE; ++i) {
823	>	Integer x = new Integer(i);
824	>	q.putFirst(x);
825	>	assertTrue(q.contains(x));
826	>	}
827	>	assertEquals(0, q.remainingCapacity());
828		}
829
830		/**
#	Line 812 | Line 832 | public class LinkedBlockingDequeTest ext
832		*/
833		public void testBlockingPutFirst() throws InterruptedException {
834		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
835	<	Thread t = new Thread(new CheckedRunnable() {
835	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
836	>	Thread t = newStartedThread(new CheckedRunnable() {
837		public void realRun() throws InterruptedException {
838		for (int i = 0; i < SIZE; ++i)
839		q.putFirst(i);
840		assertEquals(SIZE, q.size());
841		assertEquals(0, q.remainingCapacity());
842	+
843	+	Thread.currentThread().interrupt();
844		try {
845		q.putFirst(99);
846		shouldThrow();
847		} catch (InterruptedException success) {}
848	+	assertFalse(Thread.interrupted());
849	+
850	+	pleaseInterrupt.countDown();
851	+	try {
852	+	q.putFirst(99);
853	+	shouldThrow();
854	+	} catch (InterruptedException success) {}
855	+	assertFalse(Thread.interrupted());
856		}});
857
858	<	t.start();
859	<	Thread.sleep(SHORT_DELAY_MS);
858	>	await(pleaseInterrupt);
859	>	assertThreadBlocks(t, Thread.State.WAITING);
860		t.interrupt();
861	<	t.join();
861	>	awaitTermination(t);
862		assertEquals(SIZE, q.size());
863		assertEquals(0, q.remainingCapacity());
864		}
865
866		/**
867	<	* putFirst blocks waiting for take when full
867	>	* putFirst blocks interruptibly waiting for take when full
868		*/
869		public void testPutFirstWithTake() throws InterruptedException {
870		final int capacity = 2;
871		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
872	<	Thread t = new Thread(new CheckedRunnable() {
872	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
873	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
874	>	Thread t = newStartedThread(new CheckedRunnable() {
875		public void realRun() throws InterruptedException {
876	<	for (int i = 0; i < capacity + 1; i++)
876	>	for (int i = 0; i < capacity; i++)
877		q.putFirst(i);
878	+	pleaseTake.countDown();
879	+	q.putFirst(86);
880	+
881	+	pleaseInterrupt.countDown();
882		try {
883		q.putFirst(99);
884		shouldThrow();
885		} catch (InterruptedException success) {}
886	+	assertFalse(Thread.interrupted());
887		}});
888
889	<	t.start();
890	<	Thread.sleep(SHORT_DELAY_MS);
853	<	assertEquals(q.remainingCapacity(), 0);
889	>	await(pleaseTake);
890	>	assertEquals(0, q.remainingCapacity());
891		assertEquals(capacity - 1, q.take());
892	<	Thread.sleep(SHORT_DELAY_MS);
892	>
893	>	await(pleaseInterrupt);
894	>	assertThreadBlocks(t, Thread.State.WAITING);
895		t.interrupt();
896	<	t.join();
897	<	assertEquals(q.remainingCapacity(), 0);
896	>	awaitTermination(t);
897	>	assertEquals(0, q.remainingCapacity());
898		}
899
900		/**
901		* timed offerFirst times out if full and elements not taken
902		*/
903	<	public void testTimedOfferFirst() throws InterruptedException {
903	>	public void testTimedOfferFirst() {
904		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
905	<	Thread t = new Thread(new CheckedRunnable() {
905	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
906	>	Thread t = newStartedThread(new CheckedRunnable() {
907		public void realRun() throws InterruptedException {
908		q.putFirst(new Object());
909		q.putFirst(new Object());
910	<	assertFalse(q.offerFirst(new Object(), SHORT_DELAY_MS, MILLISECONDS));
910	>	long startTime = System.nanoTime();
911	>	assertFalse(q.offerFirst(new Object(), timeoutMillis(), MILLISECONDS));
912	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
913	>
914	>	Thread.currentThread().interrupt();
915	>	try {
916	>	q.offerFirst(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
917	>	shouldThrow();
918	>	} catch (InterruptedException success) {}
919	>	assertFalse(Thread.interrupted());
920	>
921	>	pleaseInterrupt.countDown();
922		try {
923	<	q.offerFirst(new Object(), LONG_DELAY_MS, MILLISECONDS);
923	>	q.offerFirst(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
924		shouldThrow();
925		} catch (InterruptedException success) {}
926	+	assertFalse(Thread.interrupted());
927		}});
928
929	<	t.start();
930	<	Thread.sleep(SMALL_DELAY_MS);
929	>	await(pleaseInterrupt);
930	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
931		t.interrupt();
932	<	t.join();
932	>	awaitTermination(t);
933		}
934
935		/**
#	Line 891 | Line 943 | public class LinkedBlockingDequeTest ext
943		}
944
945		/**
946	<	* takeFirst blocks interruptibly when empty
946	>	* takeFirst() blocks interruptibly when empty
947		*/
948	<	public void testTakeFirstFromEmpty() throws InterruptedException {
949	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
950	<	Thread t = new ThreadShouldThrow(InterruptedException.class) {
951	<	public void realRun() throws InterruptedException {
952	<	q.takeFirst();
953	<	}};
948	>	public void testTakeFirstFromEmptyBlocksInterruptibly() {
949	>	final BlockingDeque q = new LinkedBlockingDeque();
950	>	final CountDownLatch threadStarted = new CountDownLatch(1);
951	>	Thread t = newStartedThread(new CheckedRunnable() {
952	>	public void realRun() {
953	>	threadStarted.countDown();
954	>	try {
955	>	q.takeFirst();
956	>	shouldThrow();
957	>	} catch (InterruptedException success) {}
958	>	assertFalse(Thread.interrupted());
959	>	}});
960
961	<	t.start();
962	<	Thread.sleep(SHORT_DELAY_MS);
961	>	await(threadStarted);
962	>	assertThreadBlocks(t, Thread.State.WAITING);
963		t.interrupt();
964	<	t.join();
964	>	awaitTermination(t);
965	>	}
966	>
967	>	/**
968	>	* takeFirst() throws InterruptedException immediately if interrupted
969	>	* before waiting
970	>	*/
971	>	public void testTakeFirstFromEmptyAfterInterrupt() {
972	>	final BlockingDeque q = new LinkedBlockingDeque();
973	>	Thread t = newStartedThread(new CheckedRunnable() {
974	>	public void realRun() {
975	>	Thread.currentThread().interrupt();
976	>	try {
977	>	q.takeFirst();
978	>	shouldThrow();
979	>	} catch (InterruptedException success) {}
980	>	assertFalse(Thread.interrupted());
981	>	}});
982	>
983	>	awaitTermination(t);
984	>	}
985	>
986	>	/**
987	>	* takeLast() blocks interruptibly when empty
988	>	*/
989	>	public void testTakeLastFromEmptyBlocksInterruptibly() {
990	>	final BlockingDeque q = new LinkedBlockingDeque();
991	>	final CountDownLatch threadStarted = new CountDownLatch(1);
992	>	Thread t = newStartedThread(new CheckedRunnable() {
993	>	public void realRun() {
994	>	threadStarted.countDown();
995	>	try {
996	>	q.takeLast();
997	>	shouldThrow();
998	>	} catch (InterruptedException success) {}
999	>	assertFalse(Thread.interrupted());
1000	>	}});
1001	>
1002	>	await(threadStarted);
1003	>	assertThreadBlocks(t, Thread.State.WAITING);
1004	>	t.interrupt();
1005	>	awaitTermination(t);
1006	>	}
1007	>
1008	>	/**
1009	>	* takeLast() throws InterruptedException immediately if interrupted
1010	>	* before waiting
1011	>	*/
1012	>	public void testTakeLastFromEmptyAfterInterrupt() {
1013	>	final BlockingDeque q = new LinkedBlockingDeque();
1014	>	Thread t = newStartedThread(new CheckedRunnable() {
1015	>	public void realRun() {
1016	>	Thread.currentThread().interrupt();
1017	>	try {
1018	>	q.takeLast();
1019	>	shouldThrow();
1020	>	} catch (InterruptedException success) {}
1021	>	assertFalse(Thread.interrupted());
1022	>	}});
1023	>
1024	>	awaitTermination(t);
1025		}
1026
1027		/**
1028	<	* TakeFirst removes existing elements until empty, then blocks interruptibly
1028	>	* takeFirst removes existing elements until empty, then blocks interruptibly
1029		*/
1030		public void testBlockingTakeFirst() throws InterruptedException {
1031		final LinkedBlockingDeque q = populatedDeque(SIZE);
1032	<	Thread t = new Thread(new CheckedRunnable() {
1032	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1033	>	Thread t = newStartedThread(new CheckedRunnable() {
1034		public void realRun() throws InterruptedException {
1035	<	for (int i = 0; i < SIZE; ++i)
1036	<	assertEquals(i, q.takeFirst());
1035	>	for (int i = 0; i < SIZE; i++) assertEquals(i, q.takeFirst());
1036	>
1037	>	Thread.currentThread().interrupt();
1038	>	try {
1039	>	q.takeFirst();
1040	>	shouldThrow();
1041	>	} catch (InterruptedException success) {}
1042	>	assertFalse(Thread.interrupted());
1043	>
1044	>	pleaseInterrupt.countDown();
1045		try {
1046		q.takeFirst();
1047		shouldThrow();
1048		} catch (InterruptedException success) {}
1049	+	assertFalse(Thread.interrupted());
1050		}});
1051
1052	<	t.start();
1053	<	Thread.sleep(SHORT_DELAY_MS);
1052	>	await(pleaseInterrupt);
1053	>	assertThreadBlocks(t, Thread.State.WAITING);
1054		t.interrupt();
1055	<	t.join();
1055	>	awaitTermination(t);
1056		}
1057
930	–
1058		/**
1059		* timed pollFirst with zero timeout succeeds when non-empty, else times out
1060		*/
#	Line 945 | Line 1072 | public class LinkedBlockingDequeTest ext
1072		public void testTimedPollFirst() throws InterruptedException {
1073		LinkedBlockingDeque q = populatedDeque(SIZE);
1074		for (int i = 0; i < SIZE; ++i) {
1075	<	assertEquals(i, q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1076	<	}
1077	<	assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1075	>	long startTime = System.nanoTime();
1076	>	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1077	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1078	>	}
1079	>	long startTime = System.nanoTime();
1080	>	assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS));
1081	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1082	>	checkEmpty(q);
1083		}
1084
1085		/**
#	Line 955 | Line 1087 | public class LinkedBlockingDequeTest ext
1087		* returning timeout status
1088		*/
1089		public void testInterruptedTimedPollFirst() throws InterruptedException {
1090	<	Thread t = new Thread(new CheckedRunnable() {
1090	>	final LinkedBlockingDeque q = populatedDeque(SIZE);
1091	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1092	>	Thread t = newStartedThread(new CheckedRunnable() {
1093		public void realRun() throws InterruptedException {
1094	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1095	<	for (int i = 0; i < SIZE; ++i) {
1096	<	assertEquals(i, q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1097	<	}
1094	>	long startTime = System.nanoTime();
1095	>	for (int i = 0; i < SIZE; i++)
1096	>	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1097	>
1098	>	Thread.currentThread().interrupt();
1099		try {
1100	<	q.pollFirst(SMALL_DELAY_MS, MILLISECONDS);
1100	>	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1101		shouldThrow();
1102		} catch (InterruptedException success) {}
1103	+	assertFalse(Thread.interrupted());
1104	+
1105	+	pleaseInterrupt.countDown();
1106	+	try {
1107	+	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1108	+	shouldThrow();
1109	+	} catch (InterruptedException success) {}
1110	+	assertFalse(Thread.interrupted());
1111	+
1112	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1113		}});
1114
1115	<	t.start();
1116	<	Thread.sleep(SHORT_DELAY_MS);
1115	>	await(pleaseInterrupt);
1116	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1117		t.interrupt();
1118	<	t.join();
1118	>	awaitTermination(t);
1119		}
1120
1121		/**
1122	<	*  timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
1123	<	*  on interruption throws
1122	>	* timed pollFirst before a delayed offerFirst fails; after offerFirst succeeds;
1123	>	* on interruption throws
1124		*/
1125		public void testTimedPollFirstWithOfferFirst() throws InterruptedException {
1126		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1127	<	Thread t = new Thread(new CheckedRunnable() {
1127	>	final CheckedBarrier barrier = new CheckedBarrier(2);
1128	>	Thread t = newStartedThread(new CheckedRunnable() {
1129		public void realRun() throws InterruptedException {
1130	<	assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1130	>	long startTime = System.nanoTime();
1131	>	assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS));
1132	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1133	>
1134	>	barrier.await();
1135	>
1136		assertSame(zero, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1137	+
1138	+	Thread.currentThread().interrupt();
1139	+	try {
1140	+	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1141	+	shouldThrow();
1142	+	} catch (InterruptedException success) {}
1143	+
1144	+	barrier.await();
1145		try {
1146		q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1147		shouldThrow();
1148		} catch (InterruptedException success) {}
1149	+	assertFalse(Thread.interrupted());
1150	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1151		}});
1152
1153	<	t.start();
1154	<	Thread.sleep(SMALL_DELAY_MS);
1155	<	assertTrue(q.offerFirst(zero, SHORT_DELAY_MS, MILLISECONDS));
1153	>	barrier.await();
1154	>	long startTime = System.nanoTime();
1155	>	assertTrue(q.offerFirst(zero, LONG_DELAY_MS, MILLISECONDS));
1156	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1157	>	barrier.await();
1158	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1159		t.interrupt();
1160	<	t.join();
1160	>	awaitTermination(t);
1161		}
1162
1163		/**
1164		* putLast(null) throws NPE
1165		*/
1166	<	public void testPutLastNull() throws InterruptedException {
1166	>	public void testPutLastNull() throws InterruptedException {
1167	>	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1168		try {
1004	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1169		q.putLast(null);
1170		shouldThrow();
1171		} catch (NullPointerException success) {}
1172	<	}
1172	>	}
1173
1174		/**
1175		* all elements successfully putLast are contained
1176		*/
1177	<	public void testPutLast() throws InterruptedException {
1178	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1179	<	for (int i = 0; i < SIZE; ++i) {
1180	<	Integer I = new Integer(i);
1181	<	q.putLast(I);
1182	<	assertTrue(q.contains(I));
1183	<	}
1184	<	assertEquals(0, q.remainingCapacity());
1177	>	public void testPutLast() throws InterruptedException {
1178	>	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1179	>	for (int i = 0; i < SIZE; ++i) {
1180	>	Integer x = new Integer(i);
1181	>	q.putLast(x);
1182	>	assertTrue(q.contains(x));
1183	>	}
1184	>	assertEquals(0, q.remainingCapacity());
1185		}
1186
1187		/**
#	Line 1025 | Line 1189 | public class LinkedBlockingDequeTest ext
1189		*/
1190		public void testBlockingPutLast() throws InterruptedException {
1191		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1192	<	Thread t = new Thread(new CheckedRunnable() {
1192	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1193	>	Thread t = newStartedThread(new CheckedRunnable() {
1194		public void realRun() throws InterruptedException {
1195		for (int i = 0; i < SIZE; ++i)
1196		q.putLast(i);
1197		assertEquals(SIZE, q.size());
1198		assertEquals(0, q.remainingCapacity());
1199	+
1200	+	Thread.currentThread().interrupt();
1201		try {
1202		q.putLast(99);
1203		shouldThrow();
1204		} catch (InterruptedException success) {}
1205	+	assertFalse(Thread.interrupted());
1206	+
1207	+	pleaseInterrupt.countDown();
1208	+	try {
1209	+	q.putLast(99);
1210	+	shouldThrow();
1211	+	} catch (InterruptedException success) {}
1212	+	assertFalse(Thread.interrupted());
1213		}});
1214
1215	<	t.start();
1216	<	Thread.sleep(SHORT_DELAY_MS);
1215	>	await(pleaseInterrupt);
1216	>	assertThreadBlocks(t, Thread.State.WAITING);
1217		t.interrupt();
1218	<	t.join();
1218	>	awaitTermination(t);
1219		assertEquals(SIZE, q.size());
1220		assertEquals(0, q.remainingCapacity());
1221		}
1222
1223		/**
1224	<	* putLast blocks waiting for take when full
1224	>	* putLast blocks interruptibly waiting for take when full
1225		*/
1226		public void testPutLastWithTake() throws InterruptedException {
1227		final int capacity = 2;
1228		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
1229	<	Thread t = new Thread(new CheckedRunnable() {
1229	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
1230	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1231	>	Thread t = newStartedThread(new CheckedRunnable() {
1232		public void realRun() throws InterruptedException {
1233	<	for (int i = 0; i < capacity + 1; i++)
1233	>	for (int i = 0; i < capacity; i++)
1234		q.putLast(i);
1235	+	pleaseTake.countDown();
1236	+	q.putLast(86);
1237	+
1238	+	Thread.currentThread().interrupt();
1239	+	try {
1240	+	q.putLast(99);
1241	+	shouldThrow();
1242	+	} catch (InterruptedException success) {}
1243	+	assertFalse(Thread.interrupted());
1244	+
1245	+	pleaseInterrupt.countDown();
1246		try {
1247		q.putLast(99);
1248		shouldThrow();
1249		} catch (InterruptedException success) {}
1250	+	assertFalse(Thread.interrupted());
1251		}});
1252
1253	<	t.start();
1254	<	Thread.sleep(SHORT_DELAY_MS);
1066	<	assertEquals(q.remainingCapacity(), 0);
1253	>	await(pleaseTake);
1254	>	assertEquals(0, q.remainingCapacity());
1255		assertEquals(0, q.take());
1256	<	Thread.sleep(SHORT_DELAY_MS);
1256	>
1257	>	await(pleaseInterrupt);
1258	>	assertThreadBlocks(t, Thread.State.WAITING);
1259		t.interrupt();
1260	<	t.join();
1261	<	assertEquals(q.remainingCapacity(), 0);
1260	>	awaitTermination(t);
1261	>	assertEquals(0, q.remainingCapacity());
1262		}
1263
1264		/**
1265		* timed offerLast times out if full and elements not taken
1266		*/
1267	<	public void testTimedOfferLast() throws InterruptedException {
1267	>	public void testTimedOfferLast() {
1268		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1269	<	Thread t = new Thread(new CheckedRunnable() {
1269	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1270	>	Thread t = newStartedThread(new CheckedRunnable() {
1271		public void realRun() throws InterruptedException {
1272		q.putLast(new Object());
1273		q.putLast(new Object());
1274	<	assertFalse(q.offerLast(new Object(), SHORT_DELAY_MS, MILLISECONDS));
1274	>	long startTime = System.nanoTime();
1275	>	assertFalse(q.offerLast(new Object(), timeoutMillis(), MILLISECONDS));
1276	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1277	>
1278	>	Thread.currentThread().interrupt();
1279		try {
1280	<	q.offerLast(new Object(), LONG_DELAY_MS, MILLISECONDS);
1280	>	q.offerLast(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
1281	>	shouldThrow();
1282	>	} catch (InterruptedException success) {}
1283	>
1284	>	pleaseInterrupt.countDown();
1285	>	try {
1286	>	q.offerLast(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
1287		shouldThrow();
1288		} catch (InterruptedException success) {}
1289		}});
1290
1291	<	t.start();
1292	<	Thread.sleep(SMALL_DELAY_MS);
1291	>	await(pleaseInterrupt);
1292	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1293		t.interrupt();
1294	<	t.join();
1294	>	awaitTermination(t);
1295		}
1296
1297		/**
#	Line 1099 | Line 1300 | public class LinkedBlockingDequeTest ext
1300		public void testTakeLast() throws InterruptedException {
1301		LinkedBlockingDeque q = populatedDeque(SIZE);
1302		for (int i = 0; i < SIZE; ++i) {
1303	<	assertEquals(SIZE-i-1, q.takeLast());
1303	>	assertEquals(SIZE - i - 1, q.takeLast());
1304		}
1305		}
1306
1307		/**
1308	<	* takeLast blocks interruptibly when empty
1108	<	*/
1109	<	public void testTakeLastFromEmpty() throws InterruptedException {
1110	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1111	<	Thread t = new ThreadShouldThrow(InterruptedException.class) {
1112	<	public void realRun() throws InterruptedException {
1113	<	q.takeLast();
1114	<	}};
1115	<
1116	<	t.start();
1117	<	Thread.sleep(SHORT_DELAY_MS);
1118	<	t.interrupt();
1119	<	t.join();
1120	<	}
1121	<
1122	<	/**
1123	<	* TakeLast removes existing elements until empty, then blocks interruptibly
1308	>	* takeLast removes existing elements until empty, then blocks interruptibly
1309		*/
1310		public void testBlockingTakeLast() throws InterruptedException {
1311		final LinkedBlockingDeque q = populatedDeque(SIZE);
1312	<	Thread t = new Thread(new CheckedRunnable() {
1312	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1313	>	Thread t = newStartedThread(new CheckedRunnable() {
1314		public void realRun() throws InterruptedException {
1315	<	for (int i = 0; i < SIZE; ++i)
1316	<	assertEquals(SIZE - 1 - i, q.takeLast());
1315	>	for (int i = 0; i < SIZE; i++)
1316	>	assertEquals(SIZE - i - 1, q.takeLast());
1317	>
1318	>	Thread.currentThread().interrupt();
1319		try {
1320		q.takeLast();
1321		shouldThrow();
1322		} catch (InterruptedException success) {}
1323	+	assertFalse(Thread.interrupted());
1324	+
1325	+	pleaseInterrupt.countDown();
1326	+	try {
1327	+	q.takeLast();
1328	+	shouldThrow();
1329	+	} catch (InterruptedException success) {}
1330	+	assertFalse(Thread.interrupted());
1331		}});
1332
1333	<	t.start();
1334	<	Thread.sleep(SHORT_DELAY_MS);
1333	>	await(pleaseInterrupt);
1334	>	assertThreadBlocks(t, Thread.State.WAITING);
1335		t.interrupt();
1336	<	t.join();
1336	>	awaitTermination(t);
1337		}
1338
1339		/**
#	Line 1146 | Line 1342 | public class LinkedBlockingDequeTest ext
1342		public void testTimedPollLast0() throws InterruptedException {
1343		LinkedBlockingDeque q = populatedDeque(SIZE);
1344		for (int i = 0; i < SIZE; ++i) {
1345	<	assertEquals(SIZE-i-1, q.pollLast(0, MILLISECONDS));
1345	>	assertEquals(SIZE - i - 1, q.pollLast(0, MILLISECONDS));
1346		}
1347		assertNull(q.pollLast(0, MILLISECONDS));
1348		}
#	Line 1157 | Line 1353 | public class LinkedBlockingDequeTest ext
1353		public void testTimedPollLast() throws InterruptedException {
1354		LinkedBlockingDeque q = populatedDeque(SIZE);
1355		for (int i = 0; i < SIZE; ++i) {
1356	<	assertEquals(SIZE-i-1, q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1357	<	}
1358	<	assertNull(q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1356	>	long startTime = System.nanoTime();
1357	>	assertEquals(SIZE - i - 1, q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1358	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1359	>	}
1360	>	long startTime = System.nanoTime();
1361	>	assertNull(q.pollLast(timeoutMillis(), MILLISECONDS));
1362	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1363	>	checkEmpty(q);
1364		}
1365
1366		/**
#	Line 1167 | Line 1368 | public class LinkedBlockingDequeTest ext
1368		* returning timeout status
1369		*/
1370		public void testInterruptedTimedPollLast() throws InterruptedException {
1371	<	Thread t = new Thread(new CheckedRunnable() {
1371	>	final LinkedBlockingDeque q = populatedDeque(SIZE);
1372	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1373	>	Thread t = newStartedThread(new CheckedRunnable() {
1374		public void realRun() throws InterruptedException {
1375	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1376	<	for (int i = 0; i < SIZE; ++i) {
1377	<	assertEquals(SIZE-i-1, q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1378	<	}
1375	>	long startTime = System.nanoTime();
1376	>	for (int i = 0; i < SIZE; i++)
1377	>	assertEquals(SIZE - i - 1,
1378	>	q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1379	>
1380	>	Thread.currentThread().interrupt();
1381		try {
1382	<	q.pollLast(SMALL_DELAY_MS, MILLISECONDS);
1382	>	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1383		shouldThrow();
1384		} catch (InterruptedException success) {}
1385	+	assertFalse(Thread.interrupted());
1386	+
1387	+	pleaseInterrupt.countDown();
1388	+	try {
1389	+	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1390	+	shouldThrow();
1391	+	} catch (InterruptedException success) {}
1392	+	assertFalse(Thread.interrupted());
1393	+
1394	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1395		}});
1396
1397	<	t.start();
1398	<	Thread.sleep(SHORT_DELAY_MS);
1397	>	await(pleaseInterrupt);
1398	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1399		t.interrupt();
1400	<	t.join();
1400	>	awaitTermination(t);
1401	>	checkEmpty(q);
1402		}
1403
1404		/**
1405	<	*  timed poll before a delayed offerLast fails; after offerLast succeeds;
1406	<	*  on interruption throws
1405	>	* timed poll before a delayed offerLast fails; after offerLast succeeds;
1406	>	* on interruption throws
1407		*/
1408		public void testTimedPollWithOfferLast() throws InterruptedException {
1409		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1410	<	Thread t = new Thread(new CheckedRunnable() {
1410	>	final CheckedBarrier barrier = new CheckedBarrier(2);
1411	>	Thread t = newStartedThread(new CheckedRunnable() {
1412		public void realRun() throws InterruptedException {
1413	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
1413	>	long startTime = System.nanoTime();
1414	>	assertNull(q.poll(timeoutMillis(), MILLISECONDS));
1415	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1416	>
1417	>	barrier.await();
1418	>
1419		assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
1420	+
1421	+	Thread.currentThread().interrupt();
1422	+	try {
1423	+	q.poll(LONG_DELAY_MS, MILLISECONDS);
1424	+	shouldThrow();
1425	+	} catch (InterruptedException success) {}
1426	+	assertFalse(Thread.interrupted());
1427	+
1428	+	barrier.await();
1429		try {
1430		q.poll(LONG_DELAY_MS, MILLISECONDS);
1431		shouldThrow();
1432		} catch (InterruptedException success) {}
1433	+	assertFalse(Thread.interrupted());
1434	+
1435	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1436		}});
1437
1438	<	t.start();
1439	<	Thread.sleep(SMALL_DELAY_MS);
1440	<	assertTrue(q.offerLast(zero, SHORT_DELAY_MS, MILLISECONDS));
1438	>	barrier.await();
1439	>	long startTime = System.nanoTime();
1440	>	assertTrue(q.offerLast(zero, LONG_DELAY_MS, MILLISECONDS));
1441	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1442	>
1443	>	barrier.await();
1444	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1445		t.interrupt();
1446	<	t.join();
1446	>	awaitTermination(t);
1447		}
1448
1211	–
1449		/**
1450		* element returns next element, or throws NSEE if empty
1451		*/
#	Line 1225 | Line 1462 | public class LinkedBlockingDequeTest ext
1462		}
1463
1464		/**
1228	–	* remove(x) removes x and returns true if present
1229	–	*/
1230	–	public void testRemoveElement() {
1231	–	LinkedBlockingDeque q = populatedDeque(SIZE);
1232	–	for (int i = 1; i < SIZE; i+=2) {
1233	–	assertTrue(q.remove(new Integer(i)));
1234	–	}
1235	–	for (int i = 0; i < SIZE; i+=2) {
1236	–	assertTrue(q.remove(new Integer(i)));
1237	–	assertFalse(q.remove(new Integer(i+1)));
1238	–	}
1239	–	assertTrue(q.isEmpty());
1240	–	}
1241	–
1242	–	/**
1465		* contains(x) reports true when elements added but not yet removed
1466		*/
1467		public void testContains() {
#	Line 1295 | Line 1517 | public class LinkedBlockingDequeTest ext
1517		assertTrue(changed);
1518
1519		assertTrue(q.containsAll(p));
1520	<	assertEquals(SIZE-i, q.size());
1520	>	assertEquals(SIZE - i, q.size());
1521		p.remove();
1522		}
1523		}
#	Line 1308 | Line 1530 | public class LinkedBlockingDequeTest ext
1530		LinkedBlockingDeque q = populatedDeque(SIZE);
1531		LinkedBlockingDeque p = populatedDeque(i);
1532		assertTrue(q.removeAll(p));
1533	<	assertEquals(SIZE-i, q.size());
1533	>	assertEquals(SIZE - i, q.size());
1534		for (int j = 0; j < i; ++j) {
1535	<	Integer I = (Integer)(p.remove());
1536	<	assertFalse(q.contains(I));
1535	>	Integer x = (Integer)(p.remove());
1536	>	assertFalse(q.contains(x));
1537		}
1538		}
1539		}
1540
1541		/**
1542	<	* toArray contains all elements
1542	>	* toArray contains all elements in FIFO order
1543		*/
1544	<	public void testToArray() throws InterruptedException{
1544	>	public void testToArray() throws InterruptedException {
1545		LinkedBlockingDeque q = populatedDeque(SIZE);
1546	<	Object[] o = q.toArray();
1547	<	for (int i = 0; i < o.length; i++)
1548	<	assertEquals(o[i], q.take());
1546	>	Object[] a = q.toArray();
1547	>	assertSame(Object[].class, a.getClass());
1548	>	for (Object o : a)
1549	>	assertSame(o, q.poll());
1550	>	assertTrue(q.isEmpty());
1551		}
1552
1553		/**
1554	<	* toArray(a) contains all elements
1554	>	* toArray(a) contains all elements in FIFO order
1555		*/
1556	<	public void testToArray2() throws InterruptedException {
1557	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1556	>	public void testToArray2() {
1557	>	LinkedBlockingDeque<Integer> q = populatedDeque(SIZE);
1558		Integer[] ints = new Integer[SIZE];
1559	<	ints = (Integer[])q.toArray(ints);
1560	<	for (int i = 0; i < ints.length; i++)
1561	<	assertEquals(ints[i], q.take());
1562	<	}
1563	<
1340	<	/**
1341	<	* toArray(null) throws NPE
1342	<	*/
1343	<	public void testToArray_BadArg() {
1344	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1345	<	try {
1346	<	Object o[] = q.toArray(null);
1347	<	shouldThrow();
1348	<	} catch (NullPointerException success) {}
1559	>	Integer[] array = q.toArray(ints);
1560	>	assertSame(ints, array);
1561	>	for (Integer o : ints)
1562	>	assertSame(o, q.remove());
1563	>	assertTrue(q.isEmpty());
1564		}
1565
1566		/**
1567	<	* toArray with incompatible array type throws CCE
1567	>	* toArray(incompatible array type) throws ArrayStoreException
1568		*/
1569		public void testToArray1_BadArg() {
1570		LinkedBlockingDeque q = populatedDeque(SIZE);
1571		try {
1572	<	Object o[] = q.toArray(new String[10]);
1572	>	q.toArray(new String[10]);
1573		shouldThrow();
1574		} catch (ArrayStoreException success) {}
1575		}
1576
1362	–
1577		/**
1578		* iterator iterates through all elements
1579		*/
1580		public void testIterator() throws InterruptedException {
1581		LinkedBlockingDeque q = populatedDeque(SIZE);
1582		Iterator it = q.iterator();
1583	<	while (it.hasNext()) {
1583	>	int i;
1584	>	for (i = 0; it.hasNext(); i++)
1585	>	assertTrue(q.contains(it.next()));
1586	>	assertEquals(i, SIZE);
1587	>	assertIteratorExhausted(it);
1588	>
1589	>	it = q.iterator();
1590	>	for (i = 0; it.hasNext(); i++)
1591		assertEquals(it.next(), q.take());
1592	<	}
1592	>	assertEquals(i, SIZE);
1593	>	assertIteratorExhausted(it);
1594	>	}
1595	>
1596	>	/**
1597	>	* iterator of empty collection has no elements
1598	>	*/
1599	>	public void testEmptyIterator() {
1600	>	Deque c = new LinkedBlockingDeque();
1601	>	assertIteratorExhausted(c.iterator());
1602	>	assertIteratorExhausted(c.descendingIterator());
1603		}
1604
1605		/**
#	Line 1390 | Line 1621 | public class LinkedBlockingDequeTest ext
1621		assertFalse(it.hasNext());
1622		}
1623
1393	–
1624		/**
1625		* iterator ordering is FIFO
1626		*/
#	Line 1422 | Line 1652 | public class LinkedBlockingDequeTest ext
1652		assertEquals(0, q.size());
1653		}
1654
1425	–
1655		/**
1656	<	*  Descending iterator iterates through all elements
1656	>	* Descending iterator iterates through all elements
1657		*/
1658		public void testDescendingIterator() {
1659		LinkedBlockingDeque q = populatedDeque(SIZE);
#	Line 1443 | Line 1672 | public class LinkedBlockingDequeTest ext
1672		}
1673
1674		/**
1675	<	*  Descending iterator ordering is reverse FIFO
1675	>	* Descending iterator ordering is reverse FIFO
1676		*/
1677		public void testDescendingIteratorOrdering() {
1678		final LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1485 | Line 1714 | public class LinkedBlockingDequeTest ext
1714		}
1715		}
1716
1488	–
1717		/**
1718		* toString contains toStrings of elements
1719		*/
#	Line 1493 | Line 1721 | public class LinkedBlockingDequeTest ext
1721		LinkedBlockingDeque q = populatedDeque(SIZE);
1722		String s = q.toString();
1723		for (int i = 0; i < SIZE; ++i) {
1724	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
1724	>	assertTrue(s.contains(String.valueOf(i)));
1725		}
1726		}
1727
1500	–
1728		/**
1729		* offer transfers elements across Executor tasks
1730		*/
#	Line 1505 | Line 1732 | public class LinkedBlockingDequeTest ext
1732		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1733		q.add(one);
1734		q.add(two);
1735	<	ExecutorService executor = Executors.newFixedThreadPool(2);
1736	<	executor.execute(new CheckedRunnable() {
1737	<	public void realRun() throws InterruptedException {
1738	<	assertFalse(q.offer(three));
1739	<	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
1740	<	assertEquals(0, q.remainingCapacity());
1741	<	}});
1742	<
1743	<	executor.execute(new CheckedRunnable() {
1744	<	public void realRun() throws InterruptedException {
1745	<	Thread.sleep(SMALL_DELAY_MS);
1746	<	assertSame(one, q.take());
1747	<	}});
1748	<
1749	<	joinPool(executor);
1735	>	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
1736	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
1737	>	try (PoolCleaner cleaner = cleaner(executor)) {
1738	>	executor.execute(new CheckedRunnable() {
1739	>	public void realRun() throws InterruptedException {
1740	>	assertFalse(q.offer(three));
1741	>	threadsStarted.await();
1742	>	assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS));
1743	>	assertEquals(0, q.remainingCapacity());
1744	>	}});
1745	>
1746	>	executor.execute(new CheckedRunnable() {
1747	>	public void realRun() throws InterruptedException {
1748	>	threadsStarted.await();
1749	>	assertSame(one, q.take());
1750	>	}});
1751	>	}
1752		}
1753
1754		/**
1755	<	* poll retrieves elements across Executor threads
1755	>	* timed poll retrieves elements across Executor threads
1756		*/
1757		public void testPollInExecutor() {
1758		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1759	<	ExecutorService executor = Executors.newFixedThreadPool(2);
1760	<	executor.execute(new CheckedRunnable() {
1761	<	public void realRun() throws InterruptedException {
1762	<	assertNull(q.poll());
1763	<	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1764	<	assertTrue(q.isEmpty());
1765	<	}});
1766	<
1767	<	executor.execute(new CheckedRunnable() {
1768	<	public void realRun() throws InterruptedException {
1769	<	Thread.sleep(SMALL_DELAY_MS);
1770	<	q.put(one);
1771	<	}});
1772	<
1773	<	joinPool(executor);
1759	>	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
1760	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
1761	>	try (PoolCleaner cleaner = cleaner(executor)) {
1762	>	executor.execute(new CheckedRunnable() {
1763	>	public void realRun() throws InterruptedException {
1764	>	assertNull(q.poll());
1765	>	threadsStarted.await();
1766	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
1767	>	checkEmpty(q);
1768	>	}});
1769	>
1770	>	executor.execute(new CheckedRunnable() {
1771	>	public void realRun() throws InterruptedException {
1772	>	threadsStarted.await();
1773	>	q.put(one);
1774	>	}});
1775	>	}
1776		}
1777
1778		/**
1779	<	* A deserialized serialized deque has same elements in same order
1779	>	* A deserialized/reserialized deque has same elements in same order
1780		*/
1781		public void testSerialization() throws Exception {
1782	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1783	<
1553	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
1554	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
1555	<	out.writeObject(q);
1556	<	out.close();
1782	>	Queue x = populatedDeque(SIZE);
1783	>	Queue y = serialClone(x);
1784
1785	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
1786	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
1787	<	LinkedBlockingDeque r = (LinkedBlockingDeque)in.readObject();
1788	<	assertEquals(q.size(), r.size());
1789	<	while (!q.isEmpty())
1790	<	assertEquals(q.remove(), r.remove());
1791	<	}
1792	<
1793	<	/**
1567	<	* drainTo(null) throws NPE
1568	<	*/
1569	<	public void testDrainToNull() {
1570	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1571	<	try {
1572	<	q.drainTo(null);
1573	<	shouldThrow();
1574	<	} catch (NullPointerException success) {}
1575	<	}
1576	<
1577	<	/**
1578	<	* drainTo(this) throws IAE
1579	<	*/
1580	<	public void testDrainToSelf() {
1581	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1582	<	try {
1583	<	q.drainTo(q);
1584	<	shouldThrow();
1585	<	} catch (IllegalArgumentException success) {}
1785	>	assertNotSame(y, x);
1786	>	assertEquals(x.size(), y.size());
1787	>	assertEquals(x.toString(), y.toString());
1788	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
1789	>	while (!x.isEmpty()) {
1790	>	assertFalse(y.isEmpty());
1791	>	assertEquals(x.remove(), y.remove());
1792	>	}
1793	>	assertTrue(y.isEmpty());
1794		}
1795
1796		/**
#	Line 1592 | Line 1800 | public class LinkedBlockingDequeTest ext
1800		LinkedBlockingDeque q = populatedDeque(SIZE);
1801		ArrayList l = new ArrayList();
1802		q.drainTo(l);
1803	<	assertEquals(q.size(), 0);
1804	<	assertEquals(l.size(), SIZE);
1803	>	assertEquals(0, q.size());
1804	>	assertEquals(SIZE, l.size());
1805		for (int i = 0; i < SIZE; ++i)
1806		assertEquals(l.get(i), new Integer(i));
1807		q.add(zero);
#	Line 1603 | Line 1811 | public class LinkedBlockingDequeTest ext
1811		assertTrue(q.contains(one));
1812		l.clear();
1813		q.drainTo(l);
1814	<	assertEquals(q.size(), 0);
1815	<	assertEquals(l.size(), 2);
1814	>	assertEquals(0, q.size());
1815	>	assertEquals(2, l.size());
1816		for (int i = 0; i < 2; ++i)
1817		assertEquals(l.get(i), new Integer(i));
1818		}
#	Line 1616 | Line 1824 | public class LinkedBlockingDequeTest ext
1824		final LinkedBlockingDeque q = populatedDeque(SIZE);
1825		Thread t = new Thread(new CheckedRunnable() {
1826		public void realRun() throws InterruptedException {
1827	<	q.put(new Integer(SIZE+1));
1827	>	q.put(new Integer(SIZE + 1));
1828		}});
1829
1830		t.start();
#	Line 1630 | Line 1838 | public class LinkedBlockingDequeTest ext
1838		}
1839
1840		/**
1841	<	* drainTo(null, n) throws NPE
1634	<	*/
1635	<	public void testDrainToNullN() {
1636	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1637	<	try {
1638	<	q.drainTo(null, 0);
1639	<	shouldThrow();
1640	<	} catch (NullPointerException success) {}
1641	<	}
1642	<
1643	<	/**
1644	<	* drainTo(this, n) throws IAE
1645	<	*/
1646	<	public void testDrainToSelfN() {
1647	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1648	<	try {
1649	<	q.drainTo(q, 0);
1650	<	shouldThrow();
1651	<	} catch (IllegalArgumentException success) {}
1652	<	}
1653	<
1654	<	/**
1655	<	* drainTo(c, n) empties first max {n, size} elements of deque into c
1841	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
1842		*/
1843		public void testDrainToN() {
1844		LinkedBlockingDeque q = new LinkedBlockingDeque();
#	Line 1661 | Line 1847 | public class LinkedBlockingDequeTest ext
1847		assertTrue(q.offer(new Integer(j)));
1848		ArrayList l = new ArrayList();
1849		q.drainTo(l, i);
1850	<	int k = (i < SIZE)? i : SIZE;
1851	<	assertEquals(l.size(), k);
1852	<	assertEquals(q.size(), SIZE-k);
1850	>	int k = (i < SIZE) ? i : SIZE;
1851	>	assertEquals(k, l.size());
1852	>	assertEquals(SIZE - k, q.size());
1853		for (int j = 0; j < k; ++j)
1854		assertEquals(l.get(j), new Integer(j));
1855	<	while (q.poll() != null) ;
1855	>	do {} while (q.poll() != null);
1856	>	}
1857	>	}
1858	>
1859	>	/**
1860	>	* remove(null), contains(null) always return false
1861	>	*/
1862	>	public void testNeverContainsNull() {
1863	>	Deque<?>[] qs = {
1864	>	new LinkedBlockingDeque<Object>(),
1865	>	populatedDeque(2),
1866	>	};
1867	>
1868	>	for (Deque<?> q : qs) {
1869	>	assertFalse(q.contains(null));
1870	>	assertFalse(q.remove(null));
1871	>	assertFalse(q.removeFirstOccurrence(null));
1872	>	assertFalse(q.removeLastOccurrence(null));
1873		}
1874		}
1875

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