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root/jsr166/jsr166/src/test/tck/LinkedBlockingDequeTest.java

Comparing jsr166/src/test/tck/LinkedBlockingDequeTest.java (file contents):
Revision 1.64 by jsr166, Sat Aug 6 17:02:49 2016 UTC vs.
Revision 1.88 by dl, Tue Jan 26 13:33:06 2021 UTC

#	Line 41 | Line 41 | public class LinkedBlockingDequeTest ext
41		}
42
43		public static Test suite() {
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 JSR166TestCase.itemFor(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());
53	>	new Bounded().testSuite(),
54	>	CollectionTest.testSuite(new Implementation()));
55		}
56
57		/**
58		* Returns a new deque of given size containing consecutive
59	<	* Integers 0 ... n.
59	>	* Items 0 ... n - 1.
60		*/
61	<	private LinkedBlockingDeque<Integer> populatedDeque(int n) {
62	<	LinkedBlockingDeque<Integer> q =
63	<	new LinkedBlockingDeque<Integer>(n);
61	>	private static LinkedBlockingDeque<Item> populatedDeque(int n) {
62	>	LinkedBlockingDeque<Item> q =
63	>	new LinkedBlockingDeque<Item>(n);
64		assertTrue(q.isEmpty());
65		for (int i = 0; i < n; i++)
66	<	assertTrue(q.offer(new Integer(i)));
66	>	mustOffer(q, i);
67		assertFalse(q.isEmpty());
68	<	assertEquals(0, q.remainingCapacity());
69	<	assertEquals(n, q.size());
68	>	mustEqual(0, q.remainingCapacity());
69	>	mustEqual(n, q.size());
70	>	mustEqual(0, q.peekFirst());
71	>	mustEqual((n - 1), q.peekLast());
72		return q;
73		}
74
#	Line 66 | Line 76 | public class LinkedBlockingDequeTest ext
76		* isEmpty is true before add, false after
77		*/
78		public void testEmpty() {
79	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
79	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
80		assertTrue(q.isEmpty());
81	<	q.add(new Integer(1));
81	>	q.add(one);
82		assertFalse(q.isEmpty());
83	<	q.add(new Integer(2));
83	>	q.add(two);
84		q.removeFirst();
85		q.removeFirst();
86		assertTrue(q.isEmpty());
#	Line 80 | Line 90 | public class LinkedBlockingDequeTest ext
90		* size changes when elements added and removed
91		*/
92		public void testSize() {
93	<	LinkedBlockingDeque q = populatedDeque(SIZE);
93	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
94		for (int i = 0; i < SIZE; ++i) {
95	<	assertEquals(SIZE - i, q.size());
95	>	mustEqual(SIZE - i, q.size());
96		q.removeFirst();
97		}
98		for (int i = 0; i < SIZE; ++i) {
99	<	assertEquals(i, q.size());
100	<	q.add(new Integer(i));
99	>	mustEqual(i, q.size());
100	>	mustAdd(q, one);
101		}
102		}
103
#	Line 95 | Line 105 | public class LinkedBlockingDequeTest ext
105		* offerFirst(null) throws NullPointerException
106		*/
107		public void testOfferFirstNull() {
108	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
108	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
109		try {
110		q.offerFirst(null);
111		shouldThrow();
#	Line 106 | Line 116 | public class LinkedBlockingDequeTest ext
116		* offerLast(null) throws NullPointerException
117		*/
118		public void testOfferLastNull() {
119	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
119	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
120		try {
121		q.offerLast(null);
122		shouldThrow();
#	Line 117 | Line 127 | public class LinkedBlockingDequeTest ext
127		* OfferFirst succeeds
128		*/
129		public void testOfferFirst() {
130	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
131	<	assertTrue(q.offerFirst(new Integer(0)));
132	<	assertTrue(q.offerFirst(new Integer(1)));
130	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
131	>	assertTrue(q.offerFirst(zero));
132	>	assertTrue(q.offerFirst(two));
133		}
134
135		/**
136		* OfferLast succeeds
137		*/
138		public void testOfferLast() {
139	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
140	<	assertTrue(q.offerLast(new Integer(0)));
141	<	assertTrue(q.offerLast(new Integer(1)));
139	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
140	>	assertTrue(q.offerLast(zero));
141	>	assertTrue(q.offerLast(one));
142		}
143
144		/**
145		* pollFirst succeeds unless empty
146		*/
147		public void testPollFirst() {
148	<	LinkedBlockingDeque q = populatedDeque(SIZE);
148	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
149		for (int i = 0; i < SIZE; ++i) {
150	<	assertEquals(i, q.pollFirst());
150	>	mustEqual(i, q.pollFirst());
151		}
152		assertNull(q.pollFirst());
153		}
#	Line 146 | Line 156 | public class LinkedBlockingDequeTest ext
156		* pollLast succeeds unless empty
157		*/
158		public void testPollLast() {
159	<	LinkedBlockingDeque q = populatedDeque(SIZE);
159	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
160		for (int i = SIZE - 1; i >= 0; --i) {
161	<	assertEquals(i, q.pollLast());
161	>	mustEqual(i, q.pollLast());
162		}
163		assertNull(q.pollLast());
164		}
#	Line 157 | Line 167 | public class LinkedBlockingDequeTest ext
167		* peekFirst returns next element, or null if empty
168		*/
169		public void testPeekFirst() {
170	<	LinkedBlockingDeque q = populatedDeque(SIZE);
170	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
171		for (int i = 0; i < SIZE; ++i) {
172	<	assertEquals(i, q.peekFirst());
173	<	assertEquals(i, q.pollFirst());
172	>	mustEqual(i, q.peekFirst());
173	>	mustEqual(i, q.pollFirst());
174		assertTrue(q.peekFirst() == null ||
175		!q.peekFirst().equals(i));
176		}
#	Line 171 | Line 181 | public class LinkedBlockingDequeTest ext
181		* peek returns next element, or null if empty
182		*/
183		public void testPeek() {
184	<	LinkedBlockingDeque q = populatedDeque(SIZE);
184	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
185		for (int i = 0; i < SIZE; ++i) {
186	<	assertEquals(i, q.peek());
187	<	assertEquals(i, q.pollFirst());
186	>	mustEqual(i, q.peek());
187	>	mustEqual(i, q.pollFirst());
188		assertTrue(q.peek() == null ||
189		!q.peek().equals(i));
190		}
#	Line 185 | Line 195 | public class LinkedBlockingDequeTest ext
195		* peekLast returns next element, or null if empty
196		*/
197		public void testPeekLast() {
198	<	LinkedBlockingDeque q = populatedDeque(SIZE);
198	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
199		for (int i = SIZE - 1; i >= 0; --i) {
200	<	assertEquals(i, q.peekLast());
201	<	assertEquals(i, q.pollLast());
200	>	mustEqual(i, q.peekLast());
201	>	mustEqual(i, q.pollLast());
202		assertTrue(q.peekLast() == null ||
203		!q.peekLast().equals(i));
204		}
#	Line 199 | Line 209 | public class LinkedBlockingDequeTest ext
209		* getFirst() returns first element, or throws NSEE if empty
210		*/
211		public void testFirstElement() {
212	<	LinkedBlockingDeque q = populatedDeque(SIZE);
212	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
213		for (int i = 0; i < SIZE; ++i) {
214	<	assertEquals(i, q.getFirst());
215	<	assertEquals(i, q.pollFirst());
214	>	mustEqual(i, q.getFirst());
215	>	mustEqual(i, q.pollFirst());
216		}
217		try {
218		q.getFirst();
#	Line 215 | Line 225 | public class LinkedBlockingDequeTest ext
225		* getLast() returns last element, or throws NSEE if empty
226		*/
227		public void testLastElement() {
228	<	LinkedBlockingDeque q = populatedDeque(SIZE);
228	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
229		for (int i = SIZE - 1; i >= 0; --i) {
230	<	assertEquals(i, q.getLast());
231	<	assertEquals(i, q.pollLast());
230	>	mustEqual(i, q.getLast());
231	>	mustEqual(i, q.pollLast());
232		}
233		try {
234		q.getLast();
#	Line 231 | Line 241 | public class LinkedBlockingDequeTest ext
241		* removeFirst() removes first element, or throws NSEE if empty
242		*/
243		public void testRemoveFirst() {
244	<	LinkedBlockingDeque q = populatedDeque(SIZE);
244	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
245		for (int i = 0; i < SIZE; ++i) {
246	<	assertEquals(i, q.removeFirst());
246	>	mustEqual(i, q.removeFirst());
247		}
248		try {
249		q.removeFirst();
#	Line 246 | Line 256 | public class LinkedBlockingDequeTest ext
256		* removeLast() removes last element, or throws NSEE if empty
257		*/
258		public void testRemoveLast() {
259	<	LinkedBlockingDeque q = populatedDeque(SIZE);
259	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
260		for (int i = SIZE - 1; i >= 0; --i) {
261	<	assertEquals(i, q.removeLast());
261	>	mustEqual(i, q.removeLast());
262		}
263		try {
264		q.removeLast();
#	Line 261 | Line 271 | public class LinkedBlockingDequeTest ext
271		* remove removes next element, or throws NSEE if empty
272		*/
273		public void testRemove() {
274	<	LinkedBlockingDeque q = populatedDeque(SIZE);
274	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
275		for (int i = 0; i < SIZE; ++i) {
276	<	assertEquals(i, q.remove());
276	>	mustEqual(i, q.remove());
277		}
278		try {
279		q.remove();
#	Line 275 | Line 285 | public class LinkedBlockingDequeTest ext
285		* removeFirstOccurrence(x) removes x and returns true if present
286		*/
287		public void testRemoveFirstOccurrence() {
288	<	LinkedBlockingDeque q = populatedDeque(SIZE);
288	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
289		for (int i = 1; i < SIZE; i += 2) {
290	<	assertTrue(q.removeFirstOccurrence(new Integer(i)));
290	>	assertTrue(q.removeFirstOccurrence(itemFor(i)));
291		}
292		for (int i = 0; i < SIZE; i += 2) {
293	<	assertTrue(q.removeFirstOccurrence(new Integer(i)));
294	<	assertFalse(q.removeFirstOccurrence(new Integer(i + 1)));
293	>	assertTrue(q.removeFirstOccurrence(itemFor(i)));
294	>	assertFalse(q.removeFirstOccurrence(itemFor(i + 1)));
295		}
296		assertTrue(q.isEmpty());
297		}
#	Line 290 | Line 300 | public class LinkedBlockingDequeTest ext
300		* removeLastOccurrence(x) removes x and returns true if present
301		*/
302		public void testRemoveLastOccurrence() {
303	<	LinkedBlockingDeque q = populatedDeque(SIZE);
303	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
304		for (int i = 1; i < SIZE; i += 2) {
305	<	assertTrue(q.removeLastOccurrence(new Integer(i)));
305	>	assertTrue(q.removeLastOccurrence(itemFor(i)));
306		}
307		for (int i = 0; i < SIZE; i += 2) {
308	<	assertTrue(q.removeLastOccurrence(new Integer(i)));
309	<	assertFalse(q.removeLastOccurrence(new Integer(i + 1)));
308	>	assertTrue(q.removeLastOccurrence(itemFor(i)));
309	>	assertFalse(q.removeLastOccurrence(itemFor(i + 1)));
310		}
311		assertTrue(q.isEmpty());
312		}
#	Line 305 | Line 315 | public class LinkedBlockingDequeTest ext
315		* peekFirst returns element inserted with addFirst
316		*/
317		public void testAddFirst() {
318	<	LinkedBlockingDeque q = populatedDeque(3);
318	>	LinkedBlockingDeque<Item> q = populatedDeque(3);
319		q.pollLast();
320		q.addFirst(four);
321		assertSame(four, q.peekFirst());
#	Line 315 | Line 325 | public class LinkedBlockingDequeTest ext
325		* peekLast returns element inserted with addLast
326		*/
327		public void testAddLast() {
328	<	LinkedBlockingDeque q = populatedDeque(3);
328	>	LinkedBlockingDeque<Item> q = populatedDeque(3);
329		q.pollLast();
330		q.addLast(four);
331		assertSame(four, q.peekLast());
#	Line 326 | Line 336 | public class LinkedBlockingDequeTest ext
336		* none given
337		*/
338		public void testConstructor1() {
339	<	assertEquals(SIZE, new LinkedBlockingDeque(SIZE).remainingCapacity());
340	<	assertEquals(Integer.MAX_VALUE, new LinkedBlockingDeque().remainingCapacity());
339	>	mustEqual(SIZE, new LinkedBlockingDeque<Item>(SIZE).remainingCapacity());
340	>	mustEqual(Integer.MAX_VALUE, new LinkedBlockingDeque<Item>().remainingCapacity());
341		}
342
343		/**
#	Line 335 | Line 345 | public class LinkedBlockingDequeTest ext
345		*/
346		public void testConstructor2() {
347		try {
348	<	new LinkedBlockingDeque(0);
348	>	new LinkedBlockingDeque<Item>(0);
349		shouldThrow();
350		} catch (IllegalArgumentException success) {}
351		}
#	Line 345 | Line 355 | public class LinkedBlockingDequeTest ext
355		*/
356		public void testConstructor3() {
357		try {
358	<	new LinkedBlockingDeque(null);
358	>	new LinkedBlockingDeque<Item>(null);
359		shouldThrow();
360		} catch (NullPointerException success) {}
361		}
#	Line 354 | Line 364 | public class LinkedBlockingDequeTest ext
364		* Initializing from Collection of null elements throws NullPointerException
365		*/
366		public void testConstructor4() {
367	<	Collection<Integer> elements = Arrays.asList(new Integer[SIZE]);
367	>	Collection<Item> elements = Arrays.asList(new Item[SIZE]);
368		try {
369	<	new LinkedBlockingDeque(elements);
369	>	new LinkedBlockingDeque<Item>(elements);
370		shouldThrow();
371		} catch (NullPointerException success) {}
372		}
#	Line 366 | Line 376 | public class LinkedBlockingDequeTest ext
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;
372	<	Collection<Integer> elements = Arrays.asList(ints);
379	>	Item[] items = new Item[2];
380	>	items[0] = zero;
381	>	Collection<Item> elements = Arrays.asList(items);
382		try {
383	<	new LinkedBlockingDeque(elements);
383	>	new LinkedBlockingDeque<Item>(elements);
384		shouldThrow();
385		} catch (NullPointerException success) {}
386		}
#	Line 380 | Line 389 | public class LinkedBlockingDequeTest ext
389		* Deque contains all elements of collection used to initialize
390		*/
391		public void testConstructor6() {
392	<	Integer[] ints = new Integer[SIZE];
392	>	Item[] items = defaultItems;
393	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(Arrays.asList(items));
394		for (int i = 0; i < SIZE; ++i)
395	<	ints[i] = i;
386	<	LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
387	<	for (int i = 0; i < SIZE; ++i)
388	<	assertEquals(ints[i], q.poll());
395	>	mustEqual(items[i], q.poll());
396		}
397
398		/**
399		* Deque transitions from empty to full when elements added
400		*/
401		public void testEmptyFull() {
402	<	LinkedBlockingDeque q = new LinkedBlockingDeque(2);
402	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
403		assertTrue(q.isEmpty());
404	<	assertEquals("should have room for 2", 2, q.remainingCapacity());
404	>	mustEqual(2, q.remainingCapacity());
405		q.add(one);
406		assertFalse(q.isEmpty());
407		q.add(two);
408		assertFalse(q.isEmpty());
409	<	assertEquals(0, q.remainingCapacity());
409	>	mustEqual(0, q.remainingCapacity());
410		assertFalse(q.offer(three));
411		}
412
#	Line 407 | Line 414 | public class LinkedBlockingDequeTest ext
414		* remainingCapacity decreases on add, increases on remove
415		*/
416		public void testRemainingCapacity() {
417	<	BlockingQueue q = populatedDeque(SIZE);
417	>	BlockingQueue<Item> q = populatedDeque(SIZE);
418		for (int i = 0; i < SIZE; ++i) {
419	<	assertEquals(i, q.remainingCapacity());
420	<	assertEquals(SIZE, q.size() + q.remainingCapacity());
421	<	assertEquals(i, q.remove());
419	>	mustEqual(i, q.remainingCapacity());
420	>	mustEqual(SIZE, q.size() + q.remainingCapacity());
421	>	mustEqual(i, q.remove());
422		}
423		for (int i = 0; i < SIZE; ++i) {
424	<	assertEquals(SIZE - i, q.remainingCapacity());
425	<	assertEquals(SIZE, q.size() + q.remainingCapacity());
426	<	assertTrue(q.add(i));
424	>	mustEqual(SIZE - i, q.remainingCapacity());
425	>	mustEqual(SIZE, q.size() + q.remainingCapacity());
426	>	mustAdd(q, i);
427		}
428		}
429
#	Line 424 | Line 431 | public class LinkedBlockingDequeTest ext
431		* push(null) throws NPE
432		*/
433		public void testPushNull() {
434	<	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
434	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(1);
435		try {
436		q.push(null);
437		shouldThrow();
#	Line 432 | Line 439 | public class LinkedBlockingDequeTest ext
439		}
440
441		/**
442	<	* push succeeds if not full; throws ISE if full
442	>	* push succeeds if not full; throws IllegalStateException if full
443		*/
444		public void testPush() {
445	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
445	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
446		for (int i = 0; i < SIZE; ++i) {
447	<	Integer x = new Integer(i);
447	>	Item x = itemFor(i);
448		q.push(x);
449	<	assertEquals(x, q.peek());
449	>	mustEqual(x, q.peek());
450		}
451	<	assertEquals(0, q.remainingCapacity());
451	>	mustEqual(0, q.remainingCapacity());
452		try {
453	<	q.push(new Integer(SIZE));
453	>	q.push(itemFor(SIZE));
454		shouldThrow();
455		} catch (IllegalStateException success) {}
456		}
#	Line 452 | Line 459 | public class LinkedBlockingDequeTest ext
459		* peekFirst returns element inserted with push
460		*/
461		public void testPushWithPeek() {
462	<	LinkedBlockingDeque q = populatedDeque(3);
462	>	LinkedBlockingDeque<Item> q = populatedDeque(3);
463		q.pollLast();
464		q.push(four);
465		assertSame(four, q.peekFirst());
#	Line 462 | Line 469 | public class LinkedBlockingDequeTest ext
469		* pop removes next element, or throws NSEE if empty
470		*/
471		public void testPop() {
472	<	LinkedBlockingDeque q = populatedDeque(SIZE);
472	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
473		for (int i = 0; i < SIZE; ++i) {
474	<	assertEquals(i, q.pop());
474	>	mustEqual(i, q.pop());
475		}
476		try {
477		q.pop();
#	Line 476 | Line 483 | public class LinkedBlockingDequeTest ext
483		* Offer succeeds if not full; fails if full
484		*/
485		public void testOffer() {
486	<	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
486	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(1);
487		assertTrue(q.offer(zero));
488		assertFalse(q.offer(one));
489		}
490
491		/**
492	<	* add succeeds if not full; throws ISE if full
492	>	* add succeeds if not full; throws IllegalStateException if full
493		*/
494		public void testAdd() {
495	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
495	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
496		for (int i = 0; i < SIZE; ++i)
497	<	assertTrue(q.add(new Integer(i)));
498	<	assertEquals(0, q.remainingCapacity());
497	>	mustAdd(q, i);
498	>	mustEqual(0, q.remainingCapacity());
499		try {
500	<	q.add(new Integer(SIZE));
500	>	q.add(itemFor(SIZE));
501		shouldThrow();
502		} catch (IllegalStateException success) {}
503		}
504
505		/**
506	<	* addAll(this) throws IAE
506	>	* addAll(this) throws IllegalArgumentException
507		*/
508		public void testAddAllSelf() {
509	<	LinkedBlockingDeque q = populatedDeque(SIZE);
509	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
510		try {
511		q.addAll(q);
512		shouldThrow();
#	Line 511 | Line 518 | public class LinkedBlockingDequeTest ext
518		* possibly adding some elements
519		*/
520		public void testAddAll3() {
521	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
522	<	Integer[] ints = new Integer[SIZE];
523	<	for (int i = 0; i < SIZE - 1; ++i)
517	<	ints[i] = new Integer(i);
518	<	Collection<Integer> elements = Arrays.asList(ints);
521	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
522	>	Item[] items = new Item[2]; items[0] = zero;
523	>	Collection<Item> elements = Arrays.asList(items);
524		try {
525		q.addAll(elements);
526		shouldThrow();
#	Line 526 | Line 531 | public class LinkedBlockingDequeTest ext
531		* addAll throws IllegalStateException if not enough room
532		*/
533		public void testAddAll4() {
534	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE - 1);
535	<	Integer[] ints = new Integer[SIZE];
536	<	for (int i = 0; i < SIZE; ++i)
532	<	ints[i] = new Integer(i);
533	<	Collection<Integer> elements = Arrays.asList(ints);
534	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE - 1);
535	>	Item[] items = defaultItems;
536	>	Collection<Item> elements = Arrays.asList(items);
537		try {
538		q.addAll(elements);
539		shouldThrow();
#	Line 541 | Line 544 | public class LinkedBlockingDequeTest ext
544		* Deque contains all elements, in traversal order, of successful addAll
545		*/
546		public void testAddAll5() {
547	<	Integer[] empty = new Integer[0];
548	<	Integer[] ints = new Integer[SIZE];
549	<	for (int i = 0; i < SIZE; ++i)
547	<	ints[i] = new Integer(i);
548	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
547	>	Item[] empty = new Item[0];
548	>	Item[] items = defaultItems;
549	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
550		assertFalse(q.addAll(Arrays.asList(empty)));
551	<	assertTrue(q.addAll(Arrays.asList(ints)));
551	>	assertTrue(q.addAll(Arrays.asList(items)));
552		for (int i = 0; i < SIZE; ++i)
553	<	assertEquals(ints[i], q.poll());
553	>	mustEqual(items[i], q.poll());
554		}
555
556		/**
557		* all elements successfully put are contained
558		*/
559		public void testPut() throws InterruptedException {
560	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
560	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
561		for (int i = 0; i < SIZE; ++i) {
562	<	Integer x = new Integer(i);
562	>	Item x = itemFor(i);
563		q.put(x);
564	<	assertTrue(q.contains(x));
564	>	mustContain(q, x);
565		}
566	<	assertEquals(0, q.remainingCapacity());
566	>	mustEqual(0, q.remainingCapacity());
567		}
568
569		/**
570		* put blocks interruptibly if full
571		*/
572		public void testBlockingPut() throws InterruptedException {
573	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
573	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
574		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
575		Thread t = newStartedThread(new CheckedRunnable() {
576		public void realRun() throws InterruptedException {
577		for (int i = 0; i < SIZE; ++i)
578	<	q.put(i);
579	<	assertEquals(SIZE, q.size());
580	<	assertEquals(0, q.remainingCapacity());
578	>	q.put(itemFor(i));
579	>	mustEqual(SIZE, q.size());
580	>	mustEqual(0, q.remainingCapacity());
581
582		Thread.currentThread().interrupt();
583		try {
584	<	q.put(99);
584	>	q.put(ninetynine);
585		shouldThrow();
586		} catch (InterruptedException success) {}
587		assertFalse(Thread.interrupted());
588
589		pleaseInterrupt.countDown();
590		try {
591	<	q.put(99);
591	>	q.put(ninetynine);
592		shouldThrow();
593		} catch (InterruptedException success) {}
594		assertFalse(Thread.interrupted());
595		}});
596
597		await(pleaseInterrupt);
598	<	assertThreadStaysAlive(t);
598	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
599		t.interrupt();
600		awaitTermination(t);
601	<	assertEquals(SIZE, q.size());
602	<	assertEquals(0, q.remainingCapacity());
601	>	mustEqual(SIZE, q.size());
602	>	mustEqual(0, q.remainingCapacity());
603		}
604
605		/**
#	Line 606 | Line 607 | public class LinkedBlockingDequeTest ext
607		*/
608		public void testPutWithTake() throws InterruptedException {
609		final int capacity = 2;
610	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
610	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(capacity);
611		final CountDownLatch pleaseTake = new CountDownLatch(1);
612		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
613		Thread t = newStartedThread(new CheckedRunnable() {
614		public void realRun() throws InterruptedException {
615		for (int i = 0; i < capacity; i++)
616	<	q.put(i);
616	>	q.put(itemFor(i));
617		pleaseTake.countDown();
618	<	q.put(86);
618	>	q.put(eightysix);
619	>
620	>	Thread.currentThread().interrupt();
621	>	try {
622	>	q.put(ninetynine);
623	>	shouldThrow();
624	>	} catch (InterruptedException success) {}
625	>	assertFalse(Thread.interrupted());
626
627		pleaseInterrupt.countDown();
628		try {
629	<	q.put(99);
629	>	q.put(ninetynine);
630		shouldThrow();
631		} catch (InterruptedException success) {}
632		assertFalse(Thread.interrupted());
633		}});
634
635		await(pleaseTake);
636	<	assertEquals(0, q.remainingCapacity());
637	<	assertEquals(0, q.take());
636	>	mustEqual(0, q.remainingCapacity());
637	>	mustEqual(0, q.take());
638
639		await(pleaseInterrupt);
640	<	assertThreadStaysAlive(t);
640	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
641		t.interrupt();
642		awaitTermination(t);
643	<	assertEquals(0, q.remainingCapacity());
643	>	mustEqual(0, q.remainingCapacity());
644		}
645
646		/**
647		* timed offer times out if full and elements not taken
648		*/
649	<	public void testTimedOffer() throws InterruptedException {
650	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
649	>	public void testTimedOffer() {
650	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
651		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
652		Thread t = newStartedThread(new CheckedRunnable() {
653		public void realRun() throws InterruptedException {
654	<	q.put(new Object());
655	<	q.put(new Object());
654	>	q.put(zero);
655	>	q.put(one);
656		long startTime = System.nanoTime();
657	<	assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS));
657	>
658	>	assertFalse(q.offer(two, timeoutMillis(), MILLISECONDS));
659		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
660	+
661	+	Thread.currentThread().interrupt();
662	+	try {
663	+	q.offer(three, randomTimeout(), randomTimeUnit());
664	+	shouldThrow();
665	+	} catch (InterruptedException success) {}
666	+	assertFalse(Thread.interrupted());
667	+
668		pleaseInterrupt.countDown();
669		try {
670	<	q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
670	>	q.offer(four, LONGER_DELAY_MS, MILLISECONDS);
671		shouldThrow();
672		} catch (InterruptedException success) {}
673	+	assertFalse(Thread.interrupted());
674		}});
675
676		await(pleaseInterrupt);
677	<	assertThreadStaysAlive(t);
677	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
678		t.interrupt();
679		awaitTermination(t);
680		}
#	Line 665 | Line 683 | public class LinkedBlockingDequeTest ext
683		* take retrieves elements in FIFO order
684		*/
685		public void testTake() throws InterruptedException {
686	<	LinkedBlockingDeque q = populatedDeque(SIZE);
686	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
687		for (int i = 0; i < SIZE; ++i) {
688	<	assertEquals(i, q.take());
688	>	mustEqual(i, q.take());
689		}
690		}
691
#	Line 675 | Line 693 | public class LinkedBlockingDequeTest ext
693		* take removes existing elements until empty, then blocks interruptibly
694		*/
695		public void testBlockingTake() throws InterruptedException {
696	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
696	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
697		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
698		Thread t = newStartedThread(new CheckedRunnable() {
699		public void realRun() throws InterruptedException {
700	<	for (int i = 0; i < SIZE; ++i) {
683	<	assertEquals(i, q.take());
684	<	}
700	>	for (int i = 0; i < SIZE; i++) mustEqual(i, q.take());
701
702		Thread.currentThread().interrupt();
703		try {
#	Line 699 | Line 715 | public class LinkedBlockingDequeTest ext
715		}});
716
717		await(pleaseInterrupt);
718	<	assertThreadStaysAlive(t);
718	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
719		t.interrupt();
720		awaitTermination(t);
721		}
#	Line 708 | Line 724 | public class LinkedBlockingDequeTest ext
724		* poll succeeds unless empty
725		*/
726		public void testPoll() {
727	<	LinkedBlockingDeque q = populatedDeque(SIZE);
727	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
728		for (int i = 0; i < SIZE; ++i) {
729	<	assertEquals(i, q.poll());
729	>	mustEqual(i, q.poll());
730		}
731		assertNull(q.poll());
732		}
#	Line 719 | Line 735 | public class LinkedBlockingDequeTest ext
735		* timed poll with zero timeout succeeds when non-empty, else times out
736		*/
737		public void testTimedPoll0() throws InterruptedException {
738	<	LinkedBlockingDeque q = populatedDeque(SIZE);
738	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
739		for (int i = 0; i < SIZE; ++i) {
740	<	assertEquals(i, q.poll(0, MILLISECONDS));
740	>	mustEqual(i, q.poll(0, MILLISECONDS));
741		}
742		assertNull(q.poll(0, MILLISECONDS));
743		}
#	Line 730 | Line 746 | public class LinkedBlockingDequeTest ext
746		* timed poll with nonzero timeout succeeds when non-empty, else times out
747		*/
748		public void testTimedPoll() throws InterruptedException {
749	<	LinkedBlockingDeque q = populatedDeque(SIZE);
749	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
750		for (int i = 0; i < SIZE; ++i) {
751		long startTime = System.nanoTime();
752	<	assertEquals(i, q.poll(LONG_DELAY_MS, MILLISECONDS));
752	>	mustEqual(i, q.poll(LONG_DELAY_MS, MILLISECONDS));
753		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
754		}
755		long startTime = System.nanoTime();
#	Line 747 | Line 763 | public class LinkedBlockingDequeTest ext
763		* returning timeout status
764		*/
765		public void testInterruptedTimedPoll() throws InterruptedException {
766	<	final BlockingQueue<Integer> q = populatedDeque(SIZE);
767	<	final CountDownLatch aboutToWait = new CountDownLatch(1);
766	>	final BlockingQueue<Item> q = populatedDeque(SIZE);
767	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
768		Thread t = newStartedThread(new CheckedRunnable() {
769		public void realRun() throws InterruptedException {
770	<	long startTime = System.nanoTime();
771	<	for (int i = 0; i < SIZE; ++i) {
772	<	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
773	<	}
758	<	aboutToWait.countDown();
770	>	for (int i = 0; i < SIZE; i++)
771	>	mustEqual(i, q.poll(LONG_DELAY_MS, MILLISECONDS));
772	>
773	>	Thread.currentThread().interrupt();
774		try {
775	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
775	>	q.poll(randomTimeout(), randomTimeUnit());
776	>	shouldThrow();
777	>	} catch (InterruptedException success) {}
778	>	assertFalse(Thread.interrupted());
779	>
780	>	pleaseInterrupt.countDown();
781	>	try {
782	>	q.poll(LONGER_DELAY_MS, MILLISECONDS);
783		shouldThrow();
784	<	} catch (InterruptedException success) {
785	<	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
764	<	}
784	>	} catch (InterruptedException success) {}
785	>	assertFalse(Thread.interrupted());
786		}});
787
788	<	aboutToWait.await();
789	<	waitForThreadToEnterWaitState(t);
788	>	await(pleaseInterrupt);
789	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
790		t.interrupt();
791		awaitTermination(t);
792		checkEmpty(q);
#	Line 775 | Line 796 | public class LinkedBlockingDequeTest ext
796		* putFirst(null) throws NPE
797		*/
798		public void testPutFirstNull() throws InterruptedException {
799	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
799	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
800		try {
801		q.putFirst(null);
802		shouldThrow();
#	Line 786 | Line 807 | public class LinkedBlockingDequeTest ext
807		* all elements successfully putFirst are contained
808		*/
809		public void testPutFirst() throws InterruptedException {
810	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
810	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
811		for (int i = 0; i < SIZE; ++i) {
812	<	Integer x = new Integer(i);
812	>	Item x = itemFor(i);
813		q.putFirst(x);
814	<	assertTrue(q.contains(x));
814	>	mustContain(q, x);
815		}
816	<	assertEquals(0, q.remainingCapacity());
816	>	mustEqual(0, q.remainingCapacity());
817		}
818
819		/**
820		* putFirst blocks interruptibly if full
821		*/
822		public void testBlockingPutFirst() throws InterruptedException {
823	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
823	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
824		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
825		Thread t = newStartedThread(new CheckedRunnable() {
826		public void realRun() throws InterruptedException {
827		for (int i = 0; i < SIZE; ++i)
828	<	q.putFirst(i);
829	<	assertEquals(SIZE, q.size());
830	<	assertEquals(0, q.remainingCapacity());
828	>	q.putFirst(itemFor(i));
829	>	mustEqual(SIZE, q.size());
830	>	mustEqual(0, q.remainingCapacity());
831
832		Thread.currentThread().interrupt();
833		try {
834	<	q.putFirst(99);
834	>	q.putFirst(ninetynine);
835		shouldThrow();
836		} catch (InterruptedException success) {}
837		assertFalse(Thread.interrupted());
838
839		pleaseInterrupt.countDown();
840		try {
841	<	q.putFirst(99);
841	>	q.putFirst(ninetynine);
842		shouldThrow();
843		} catch (InterruptedException success) {}
844		assertFalse(Thread.interrupted());
845		}});
846
847		await(pleaseInterrupt);
848	<	assertThreadStaysAlive(t);
848	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
849		t.interrupt();
850		awaitTermination(t);
851	<	assertEquals(SIZE, q.size());
852	<	assertEquals(0, q.remainingCapacity());
851	>	mustEqual(SIZE, q.size());
852	>	mustEqual(0, q.remainingCapacity());
853		}
854
855		/**
#	Line 836 | Line 857 | public class LinkedBlockingDequeTest ext
857		*/
858		public void testPutFirstWithTake() throws InterruptedException {
859		final int capacity = 2;
860	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
860	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(capacity);
861		final CountDownLatch pleaseTake = new CountDownLatch(1);
862		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
863		Thread t = newStartedThread(new CheckedRunnable() {
864		public void realRun() throws InterruptedException {
865		for (int i = 0; i < capacity; i++)
866	<	q.putFirst(i);
866	>	q.putFirst(itemFor(i));
867		pleaseTake.countDown();
868	<	q.putFirst(86);
868	>	q.putFirst(eightysix);
869
870		pleaseInterrupt.countDown();
871		try {
872	<	q.putFirst(99);
872	>	q.putFirst(ninetynine);
873		shouldThrow();
874		} catch (InterruptedException success) {}
875		assertFalse(Thread.interrupted());
876		}});
877
878		await(pleaseTake);
879	<	assertEquals(0, q.remainingCapacity());
880	<	assertEquals(capacity - 1, q.take());
879	>	mustEqual(0, q.remainingCapacity());
880	>	mustEqual(capacity - 1, q.take());
881
882		await(pleaseInterrupt);
883	<	assertThreadStaysAlive(t);
883	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
884		t.interrupt();
885		awaitTermination(t);
886	<	assertEquals(0, q.remainingCapacity());
886	>	mustEqual(0, q.remainingCapacity());
887		}
888
889		/**
890		* timed offerFirst times out if full and elements not taken
891		*/
892	<	public void testTimedOfferFirst() throws InterruptedException {
893	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
892	>	public void testTimedOfferFirst() {
893	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
894		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
895		Thread t = newStartedThread(new CheckedRunnable() {
896		public void realRun() throws InterruptedException {
897	<	q.putFirst(new Object());
898	<	q.putFirst(new Object());
897	>	q.putFirst(zero);
898	>	q.putFirst(one);
899		long startTime = System.nanoTime();
900	<	assertFalse(q.offerFirst(new Object(), timeoutMillis(), MILLISECONDS));
900	>
901	>	assertFalse(q.offerFirst(two, timeoutMillis(), MILLISECONDS));
902		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
903	+
904	+	Thread.currentThread().interrupt();
905	+	try {
906	+	q.offerFirst(three, randomTimeout(), randomTimeUnit());
907	+	shouldThrow();
908	+	} catch (InterruptedException success) {}
909	+	assertFalse(Thread.interrupted());
910	+
911		pleaseInterrupt.countDown();
912		try {
913	<	q.offerFirst(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
913	>	q.offerFirst(four, LONGER_DELAY_MS, MILLISECONDS);
914		shouldThrow();
915		} catch (InterruptedException success) {}
916	+	assertFalse(Thread.interrupted());
917		}});
918
919		await(pleaseInterrupt);
920	<	assertThreadStaysAlive(t);
920	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
921		t.interrupt();
922		awaitTermination(t);
923		}
#	Line 895 | Line 926 | public class LinkedBlockingDequeTest ext
926		* take retrieves elements in FIFO order
927		*/
928		public void testTakeFirst() throws InterruptedException {
929	<	LinkedBlockingDeque q = populatedDeque(SIZE);
929	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
930		for (int i = 0; i < SIZE; ++i) {
931	<	assertEquals(i, q.takeFirst());
931	>	mustEqual(i, q.takeFirst());
932		}
933		}
934
#	Line 905 | Line 936 | public class LinkedBlockingDequeTest ext
936		* takeFirst() blocks interruptibly when empty
937		*/
938		public void testTakeFirstFromEmptyBlocksInterruptibly() {
939	<	final BlockingDeque q = new LinkedBlockingDeque();
939	>	final BlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
940		final CountDownLatch threadStarted = new CountDownLatch(1);
941		Thread t = newStartedThread(new CheckedRunnable() {
942		public void realRun() {
#	Line 918 | Line 949 | public class LinkedBlockingDequeTest ext
949		}});
950
951		await(threadStarted);
952	<	assertThreadStaysAlive(t);
952	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
953		t.interrupt();
954		awaitTermination(t);
955		}
#	Line 928 | Line 959 | public class LinkedBlockingDequeTest ext
959		* before waiting
960		*/
961		public void testTakeFirstFromEmptyAfterInterrupt() {
962	<	final BlockingDeque q = new LinkedBlockingDeque();
962	>	final BlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
963		Thread t = newStartedThread(new CheckedRunnable() {
964		public void realRun() {
965		Thread.currentThread().interrupt();
#	Line 946 | Line 977 | public class LinkedBlockingDequeTest ext
977		* takeLast() blocks interruptibly when empty
978		*/
979		public void testTakeLastFromEmptyBlocksInterruptibly() {
980	<	final BlockingDeque q = new LinkedBlockingDeque();
980	>	final BlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
981		final CountDownLatch threadStarted = new CountDownLatch(1);
982		Thread t = newStartedThread(new CheckedRunnable() {
983		public void realRun() {
#	Line 959 | Line 990 | public class LinkedBlockingDequeTest ext
990		}});
991
992		await(threadStarted);
993	<	assertThreadStaysAlive(t);
993	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
994		t.interrupt();
995		awaitTermination(t);
996		}
#	Line 969 | Line 1000 | public class LinkedBlockingDequeTest ext
1000		* before waiting
1001		*/
1002		public void testTakeLastFromEmptyAfterInterrupt() {
1003	<	final BlockingDeque q = new LinkedBlockingDeque();
1003	>	final BlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
1004		Thread t = newStartedThread(new CheckedRunnable() {
1005		public void realRun() {
1006		Thread.currentThread().interrupt();
#	Line 987 | Line 1018 | public class LinkedBlockingDequeTest ext
1018		* takeFirst removes existing elements until empty, then blocks interruptibly
1019		*/
1020		public void testBlockingTakeFirst() throws InterruptedException {
1021	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
1021	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1022		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1023		Thread t = newStartedThread(new CheckedRunnable() {
1024		public void realRun() throws InterruptedException {
1025	<	for (int i = 0; i < SIZE; ++i) {
995	<	assertEquals(i, q.takeFirst());
996	<	}
1025	>	for (int i = 0; i < SIZE; i++) mustEqual(i, q.takeFirst());
1026
1027		Thread.currentThread().interrupt();
1028		try {
#	Line 1011 | Line 1040 | public class LinkedBlockingDequeTest ext
1040		}});
1041
1042		await(pleaseInterrupt);
1043	<	assertThreadStaysAlive(t);
1043	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
1044		t.interrupt();
1045		awaitTermination(t);
1046		}
#	Line 1020 | Line 1049 | public class LinkedBlockingDequeTest ext
1049		* timed pollFirst with zero timeout succeeds when non-empty, else times out
1050		*/
1051		public void testTimedPollFirst0() throws InterruptedException {
1052	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1052	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1053		for (int i = 0; i < SIZE; ++i) {
1054	<	assertEquals(i, q.pollFirst(0, MILLISECONDS));
1054	>	mustEqual(i, q.pollFirst(0, MILLISECONDS));
1055		}
1056		assertNull(q.pollFirst(0, MILLISECONDS));
1057		}
#	Line 1031 | Line 1060 | public class LinkedBlockingDequeTest ext
1060		* timed pollFirst with nonzero timeout succeeds when non-empty, else times out
1061		*/
1062		public void testTimedPollFirst() throws InterruptedException {
1063	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1063	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1064		for (int i = 0; i < SIZE; ++i) {
1065		long startTime = System.nanoTime();
1066	<	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1066	>	mustEqual(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1067		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1068		}
1069		long startTime = System.nanoTime();
#	Line 1048 | Line 1077 | public class LinkedBlockingDequeTest ext
1077		* returning timeout status
1078		*/
1079		public void testInterruptedTimedPollFirst() throws InterruptedException {
1080	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
1080	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1081		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1082		Thread t = newStartedThread(new CheckedRunnable() {
1083		public void realRun() throws InterruptedException {
1084	<	long startTime = System.nanoTime();
1085	<	for (int i = 0; i < SIZE; ++i) {
1057	<	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1058	<	}
1084	>	for (int i = 0; i < SIZE; i++)
1085	>	mustEqual(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1086
1087		Thread.currentThread().interrupt();
1088		try {
1089	<	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1089	>	q.pollFirst(randomTimeout(), randomTimeUnit());
1090		shouldThrow();
1091		} catch (InterruptedException success) {}
1092		assertFalse(Thread.interrupted());
1093
1094		pleaseInterrupt.countDown();
1095		try {
1096	<	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1096	>	q.pollFirst(LONGER_DELAY_MS, MILLISECONDS);
1097		shouldThrow();
1098		} catch (InterruptedException success) {}
1099		assertFalse(Thread.interrupted());
1073	–	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1100		}});
1101
1102		await(pleaseInterrupt);
1103	<	assertThreadStaysAlive(t);
1103	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1104		t.interrupt();
1105		awaitTermination(t);
1106		}
#	Line 1084 | Line 1110 | public class LinkedBlockingDequeTest ext
1110		* on interruption throws
1111		*/
1112		public void testTimedPollFirstWithOfferFirst() throws InterruptedException {
1113	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1113	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
1114		final CheckedBarrier barrier = new CheckedBarrier(2);
1115		Thread t = newStartedThread(new CheckedRunnable() {
1116		public void realRun() throws InterruptedException {
#	Line 1098 | Line 1124 | public class LinkedBlockingDequeTest ext
1124
1125		Thread.currentThread().interrupt();
1126		try {
1127	<	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1127	>	q.pollFirst(randomTimeout(), randomTimeUnit());
1128		shouldThrow();
1129		} catch (InterruptedException success) {}
1130
#	Line 1107 | Line 1133 | public class LinkedBlockingDequeTest ext
1133		q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1134		shouldThrow();
1135		} catch (InterruptedException success) {}
1136	+	assertFalse(Thread.interrupted());
1137	+
1138		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1139		}});
1140
#	Line 1115 | Line 1143 | public class LinkedBlockingDequeTest ext
1143		assertTrue(q.offerFirst(zero, LONG_DELAY_MS, MILLISECONDS));
1144		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1145		barrier.await();
1146	<	assertThreadStaysAlive(t);
1146	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1147		t.interrupt();
1148		awaitTermination(t);
1149		}
#	Line 1124 | Line 1152 | public class LinkedBlockingDequeTest ext
1152		* putLast(null) throws NPE
1153		*/
1154		public void testPutLastNull() throws InterruptedException {
1155	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1155	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
1156		try {
1157		q.putLast(null);
1158		shouldThrow();
#	Line 1135 | Line 1163 | public class LinkedBlockingDequeTest ext
1163		* all elements successfully putLast are contained
1164		*/
1165		public void testPutLast() throws InterruptedException {
1166	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1166	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
1167		for (int i = 0; i < SIZE; ++i) {
1168	<	Integer x = new Integer(i);
1168	>	Item x = itemFor(i);
1169		q.putLast(x);
1170	<	assertTrue(q.contains(x));
1170	>	mustContain(q, x);
1171		}
1172	<	assertEquals(0, q.remainingCapacity());
1172	>	mustEqual(0, q.remainingCapacity());
1173		}
1174
1175		/**
1176		* putLast blocks interruptibly if full
1177		*/
1178		public void testBlockingPutLast() throws InterruptedException {
1179	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1179	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(SIZE);
1180		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1181		Thread t = newStartedThread(new CheckedRunnable() {
1182		public void realRun() throws InterruptedException {
1183		for (int i = 0; i < SIZE; ++i)
1184	<	q.putLast(i);
1185	<	assertEquals(SIZE, q.size());
1186	<	assertEquals(0, q.remainingCapacity());
1184	>	q.putLast(itemFor(i));
1185	>	mustEqual(SIZE, q.size());
1186	>	mustEqual(0, q.remainingCapacity());
1187
1188		Thread.currentThread().interrupt();
1189		try {
1190	<	q.putLast(99);
1190	>	q.putLast(ninetynine);
1191		shouldThrow();
1192		} catch (InterruptedException success) {}
1193		assertFalse(Thread.interrupted());
1194
1195		pleaseInterrupt.countDown();
1196		try {
1197	<	q.putLast(99);
1197	>	q.putLast(ninetynine);
1198		shouldThrow();
1199		} catch (InterruptedException success) {}
1200		assertFalse(Thread.interrupted());
1201		}});
1202
1203		await(pleaseInterrupt);
1204	<	assertThreadStaysAlive(t);
1204	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
1205		t.interrupt();
1206		awaitTermination(t);
1207	<	assertEquals(SIZE, q.size());
1208	<	assertEquals(0, q.remainingCapacity());
1207	>	mustEqual(SIZE, q.size());
1208	>	mustEqual(0, q.remainingCapacity());
1209		}
1210
1211		/**
#	Line 1185 | Line 1213 | public class LinkedBlockingDequeTest ext
1213		*/
1214		public void testPutLastWithTake() throws InterruptedException {
1215		final int capacity = 2;
1216	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
1216	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(capacity);
1217		final CountDownLatch pleaseTake = new CountDownLatch(1);
1218		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1219		Thread t = newStartedThread(new CheckedRunnable() {
1220		public void realRun() throws InterruptedException {
1221		for (int i = 0; i < capacity; i++)
1222	<	q.putLast(i);
1222	>	q.putLast(itemFor(i));
1223		pleaseTake.countDown();
1224	<	q.putLast(86);
1224	>	q.putLast(eightysix);
1225	>
1226	>	Thread.currentThread().interrupt();
1227	>	try {
1228	>	q.putLast(ninetynine);
1229	>	shouldThrow();
1230	>	} catch (InterruptedException success) {}
1231	>	assertFalse(Thread.interrupted());
1232
1233		pleaseInterrupt.countDown();
1234		try {
1235	<	q.putLast(99);
1235	>	q.putLast(ninetynine);
1236		shouldThrow();
1237		} catch (InterruptedException success) {}
1238		assertFalse(Thread.interrupted());
1239		}});
1240
1241		await(pleaseTake);
1242	<	assertEquals(0, q.remainingCapacity());
1243	<	assertEquals(0, q.take());
1242	>	mustEqual(0, q.remainingCapacity());
1243	>	mustEqual(0, q.take());
1244
1245		await(pleaseInterrupt);
1246	<	assertThreadStaysAlive(t);
1246	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
1247		t.interrupt();
1248		awaitTermination(t);
1249	<	assertEquals(0, q.remainingCapacity());
1249	>	mustEqual(0, q.remainingCapacity());
1250		}
1251
1252		/**
1253		* timed offerLast times out if full and elements not taken
1254		*/
1255	<	public void testTimedOfferLast() throws InterruptedException {
1256	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1255	>	public void testTimedOfferLast() {
1256	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
1257		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1258		Thread t = newStartedThread(new CheckedRunnable() {
1259		public void realRun() throws InterruptedException {
1260	<	q.putLast(new Object());
1261	<	q.putLast(new Object());
1260	>	q.putLast(zero);
1261	>	q.putLast(one);
1262		long startTime = System.nanoTime();
1263	<	assertFalse(q.offerLast(new Object(), timeoutMillis(), MILLISECONDS));
1263	>
1264	>	assertFalse(q.offerLast(two, timeoutMillis(), MILLISECONDS));
1265		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1266	+
1267	+	Thread.currentThread().interrupt();
1268	+	try {
1269	+	q.offerLast(three, randomTimeout(), randomTimeUnit());
1270	+	shouldThrow();
1271	+	} catch (InterruptedException success) {}
1272	+
1273		pleaseInterrupt.countDown();
1274		try {
1275	<	q.offerLast(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
1275	>	q.offerLast(four, LONGER_DELAY_MS, MILLISECONDS);
1276		shouldThrow();
1277		} catch (InterruptedException success) {}
1278		}});
1279
1280		await(pleaseInterrupt);
1281	<	assertThreadStaysAlive(t);
1281	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1282		t.interrupt();
1283		awaitTermination(t);
1284		}
#	Line 1244 | Line 1287 | public class LinkedBlockingDequeTest ext
1287		* takeLast retrieves elements in FIFO order
1288		*/
1289		public void testTakeLast() throws InterruptedException {
1290	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1290	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1291		for (int i = 0; i < SIZE; ++i) {
1292	<	assertEquals(SIZE - i - 1, q.takeLast());
1292	>	mustEqual(SIZE - i - 1, q.takeLast());
1293		}
1294		}
1295
#	Line 1254 | Line 1297 | public class LinkedBlockingDequeTest ext
1297		* takeLast removes existing elements until empty, then blocks interruptibly
1298		*/
1299		public void testBlockingTakeLast() throws InterruptedException {
1300	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
1300	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1301		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1302		Thread t = newStartedThread(new CheckedRunnable() {
1303		public void realRun() throws InterruptedException {
1304	<	for (int i = 0; i < SIZE; ++i) {
1305	<	assertEquals(SIZE - i - 1, q.takeLast());
1263	<	}
1304	>	for (int i = 0; i < SIZE; i++)
1305	>	mustEqual(SIZE - i - 1, q.takeLast());
1306
1307		Thread.currentThread().interrupt();
1308		try {
#	Line 1278 | Line 1320 | public class LinkedBlockingDequeTest ext
1320		}});
1321
1322		await(pleaseInterrupt);
1323	<	assertThreadStaysAlive(t);
1323	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
1324		t.interrupt();
1325		awaitTermination(t);
1326		}
#	Line 1287 | Line 1329 | public class LinkedBlockingDequeTest ext
1329		* timed pollLast with zero timeout succeeds when non-empty, else times out
1330		*/
1331		public void testTimedPollLast0() throws InterruptedException {
1332	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1332	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1333		for (int i = 0; i < SIZE; ++i) {
1334	<	assertEquals(SIZE - i - 1, q.pollLast(0, MILLISECONDS));
1334	>	mustEqual(SIZE - i - 1, q.pollLast(0, MILLISECONDS));
1335		}
1336		assertNull(q.pollLast(0, MILLISECONDS));
1337		}
#	Line 1298 | Line 1340 | public class LinkedBlockingDequeTest ext
1340		* timed pollLast with nonzero timeout succeeds when non-empty, else times out
1341		*/
1342		public void testTimedPollLast() throws InterruptedException {
1343	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1343	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1344		for (int i = 0; i < SIZE; ++i) {
1345		long startTime = System.nanoTime();
1346	<	assertEquals(SIZE - i - 1, q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1346	>	mustEqual(SIZE - i - 1, q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1347		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1348		}
1349		long startTime = System.nanoTime();
#	Line 1315 | Line 1357 | public class LinkedBlockingDequeTest ext
1357		* returning timeout status
1358		*/
1359		public void testInterruptedTimedPollLast() throws InterruptedException {
1360	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
1360	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1361		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1362		Thread t = newStartedThread(new CheckedRunnable() {
1363		public void realRun() throws InterruptedException {
1364	<	long startTime = System.nanoTime();
1365	<	for (int i = 0; i < SIZE; ++i) {
1324	<	assertEquals(SIZE - i - 1,
1364	>	for (int i = 0; i < SIZE; i++)
1365	>	mustEqual(SIZE - i - 1,
1366		q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1326	–	}
1367
1368		Thread.currentThread().interrupt();
1369		try {
1370	<	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1370	>	q.pollLast(randomTimeout(), randomTimeUnit());
1371		shouldThrow();
1372		} catch (InterruptedException success) {}
1373		assertFalse(Thread.interrupted());
1374
1375		pleaseInterrupt.countDown();
1376		try {
1377	<	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1377	>	q.pollLast(LONGER_DELAY_MS, MILLISECONDS);
1378		shouldThrow();
1379		} catch (InterruptedException success) {}
1380		assertFalse(Thread.interrupted());
1341	–
1342	–	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1381		}});
1382
1383		await(pleaseInterrupt);
1384	<	assertThreadStaysAlive(t);
1384	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1385		t.interrupt();
1386		awaitTermination(t);
1387		checkEmpty(q);
#	Line 1354 | Line 1392 | public class LinkedBlockingDequeTest ext
1392		* on interruption throws
1393		*/
1394		public void testTimedPollWithOfferLast() throws InterruptedException {
1395	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1395	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
1396		final CheckedBarrier barrier = new CheckedBarrier(2);
1397		Thread t = newStartedThread(new CheckedRunnable() {
1398		public void realRun() throws InterruptedException {
#	Line 1368 | Line 1406 | public class LinkedBlockingDequeTest ext
1406
1407		Thread.currentThread().interrupt();
1408		try {
1409	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
1409	>	q.poll(randomTimeout(), randomTimeUnit());
1410		shouldThrow();
1411		} catch (InterruptedException success) {}
1412		assertFalse(Thread.interrupted());
#	Line 1389 | Line 1427 | public class LinkedBlockingDequeTest ext
1427		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1428
1429		barrier.await();
1430	<	assertThreadStaysAlive(t);
1430	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
1431		t.interrupt();
1432		awaitTermination(t);
1433		}
#	Line 1398 | Line 1436 | public class LinkedBlockingDequeTest ext
1436		* element returns next element, or throws NSEE if empty
1437		*/
1438		public void testElement() {
1439	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1439	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1440		for (int i = 0; i < SIZE; ++i) {
1441	<	assertEquals(i, q.element());
1441	>	mustEqual(i, q.element());
1442		q.poll();
1443		}
1444		try {
#	Line 1413 | Line 1451 | public class LinkedBlockingDequeTest ext
1451		* contains(x) reports true when elements added but not yet removed
1452		*/
1453		public void testContains() {
1454	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1454	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1455		for (int i = 0; i < SIZE; ++i) {
1456	<	assertTrue(q.contains(new Integer(i)));
1456	>	mustContain(q, i);
1457		q.poll();
1458	<	assertFalse(q.contains(new Integer(i)));
1458	>	mustNotContain(q, i);
1459		}
1460		}
1461
#	Line 1425 | Line 1463 | public class LinkedBlockingDequeTest ext
1463		* clear removes all elements
1464		*/
1465		public void testClear() {
1466	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1466	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1467		q.clear();
1468		assertTrue(q.isEmpty());
1469	<	assertEquals(0, q.size());
1470	<	assertEquals(SIZE, q.remainingCapacity());
1469	>	mustEqual(0, q.size());
1470	>	mustEqual(SIZE, q.remainingCapacity());
1471		q.add(one);
1472		assertFalse(q.isEmpty());
1473	<	assertTrue(q.contains(one));
1473	>	mustContain(q, one);
1474		q.clear();
1475		assertTrue(q.isEmpty());
1476		}
#	Line 1441 | Line 1479 | public class LinkedBlockingDequeTest ext
1479		* containsAll(c) is true when c contains a subset of elements
1480		*/
1481		public void testContainsAll() {
1482	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1483	<	LinkedBlockingDeque p = new LinkedBlockingDeque(SIZE);
1482	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1483	>	LinkedBlockingDeque<Item> p = new LinkedBlockingDeque<Item>(SIZE);
1484		for (int i = 0; i < SIZE; ++i) {
1485		assertTrue(q.containsAll(p));
1486		assertFalse(p.containsAll(q));
1487	<	p.add(new Integer(i));
1487	>	mustAdd(p, i);
1488		}
1489		assertTrue(p.containsAll(q));
1490		}
#	Line 1455 | Line 1493 | public class LinkedBlockingDequeTest ext
1493		* retainAll(c) retains only those elements of c and reports true if changed
1494		*/
1495		public void testRetainAll() {
1496	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1497	<	LinkedBlockingDeque p = populatedDeque(SIZE);
1496	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1497	>	LinkedBlockingDeque<Item> p = populatedDeque(SIZE);
1498		for (int i = 0; i < SIZE; ++i) {
1499		boolean changed = q.retainAll(p);
1500		if (i == 0)
#	Line 1465 | Line 1503 | public class LinkedBlockingDequeTest ext
1503		assertTrue(changed);
1504
1505		assertTrue(q.containsAll(p));
1506	<	assertEquals(SIZE - i, q.size());
1506	>	mustEqual(SIZE - i, q.size());
1507		p.remove();
1508		}
1509		}
#	Line 1475 | Line 1513 | public class LinkedBlockingDequeTest ext
1513		*/
1514		public void testRemoveAll() {
1515		for (int i = 1; i < SIZE; ++i) {
1516	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1517	<	LinkedBlockingDeque p = populatedDeque(i);
1516	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1517	>	LinkedBlockingDeque<Item> p = populatedDeque(i);
1518		assertTrue(q.removeAll(p));
1519	<	assertEquals(SIZE - i, q.size());
1519	>	mustEqual(SIZE - i, q.size());
1520		for (int j = 0; j < i; ++j) {
1521	<	Integer x = (Integer)(p.remove());
1484	<	assertFalse(q.contains(x));
1521	>	mustNotContain(q, p.remove());
1522		}
1523		}
1524		}
#	Line 1490 | Line 1527 | public class LinkedBlockingDequeTest ext
1527		* toArray contains all elements in FIFO order
1528		*/
1529		public void testToArray() throws InterruptedException {
1530	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1531	<	Object[] o = q.toArray();
1532	<	for (int i = 0; i < o.length; i++)
1533	<	assertSame(o[i], q.poll());
1530	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1531	>	Object[] a = q.toArray();
1532	>	assertSame(Object[].class, a.getClass());
1533	>	for (Object o : a)
1534	>	assertSame(o, q.poll());
1535	>	assertTrue(q.isEmpty());
1536		}
1537
1538		/**
1539		* toArray(a) contains all elements in FIFO order
1540		*/
1541		public void testToArray2() {
1542	<	LinkedBlockingDeque<Integer> q = populatedDeque(SIZE);
1543	<	Integer[] ints = new Integer[SIZE];
1544	<	Integer[] array = q.toArray(ints);
1545	<	assertSame(ints, array);
1546	<	for (int i = 0; i < ints.length; i++)
1547	<	assertSame(ints[i], q.remove());
1542	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1543	>	Item[] items = new Item[SIZE];
1544	>	Item[] array = q.toArray(items);
1545	>	assertSame(items, array);
1546	>	for (Item o : items)
1547	>	assertSame(o, q.remove());
1548	>	assertTrue(q.isEmpty());
1549		}
1550
1551		/**
1552		* toArray(incompatible array type) throws ArrayStoreException
1553		*/
1554		public void testToArray1_BadArg() {
1555	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1555	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1556		try {
1557		q.toArray(new String[10]);
1558		shouldThrow();
#	Line 1523 | Line 1563 | public class LinkedBlockingDequeTest ext
1563		* iterator iterates through all elements
1564		*/
1565		public void testIterator() throws InterruptedException {
1566	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1567	<	Iterator it = q.iterator();
1566	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1567	>	Iterator<? extends Item> it = q.iterator();
1568		int i;
1569		for (i = 0; it.hasNext(); i++)
1570	<	assertTrue(q.contains(it.next()));
1571	<	assertEquals(i, SIZE);
1570	>	mustContain(q, it.next());
1571	>	mustEqual(i, SIZE);
1572		assertIteratorExhausted(it);
1573
1574		it = q.iterator();
1575		for (i = 0; it.hasNext(); i++)
1576	<	assertEquals(it.next(), q.take());
1577	<	assertEquals(i, SIZE);
1576	>	mustEqual(it.next(), q.take());
1577	>	mustEqual(i, SIZE);
1578		assertIteratorExhausted(it);
1579		}
1580
#	Line 1542 | Line 1582 | public class LinkedBlockingDequeTest ext
1582		* iterator of empty collection has no elements
1583		*/
1584		public void testEmptyIterator() {
1585	<	Deque c = new LinkedBlockingDeque();
1585	>	Deque<Item> c = new LinkedBlockingDeque<Item>();
1586		assertIteratorExhausted(c.iterator());
1587		assertIteratorExhausted(c.descendingIterator());
1588		}
#	Line 1551 | Line 1591 | public class LinkedBlockingDequeTest ext
1591		* iterator.remove removes current element
1592		*/
1593		public void testIteratorRemove() {
1594	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
1594	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(3);
1595		q.add(two);
1596		q.add(one);
1597		q.add(three);
1598
1599	<	Iterator it = q.iterator();
1599	>	Iterator<? extends Item> it = q.iterator();
1600		it.next();
1601		it.remove();
1602
#	Line 1570 | Line 1610 | public class LinkedBlockingDequeTest ext
1610		* iterator ordering is FIFO
1611		*/
1612		public void testIteratorOrdering() {
1613	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
1613	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(3);
1614		q.add(one);
1615		q.add(two);
1616		q.add(three);
1617	<	assertEquals(0, q.remainingCapacity());
1617	>	mustEqual(0, q.remainingCapacity());
1618		int k = 0;
1619	<	for (Iterator it = q.iterator(); it.hasNext();) {
1620	<	assertEquals(++k, it.next());
1619	>	for (Iterator<? extends Item> it = q.iterator(); it.hasNext();) {
1620	>	mustEqual(++k, it.next());
1621		}
1622	<	assertEquals(3, k);
1622	>	mustEqual(3, k);
1623		}
1624
1625		/**
1626		* Modifications do not cause iterators to fail
1627		*/
1628		public void testWeaklyConsistentIteration() {
1629	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
1629	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(3);
1630		q.add(one);
1631		q.add(two);
1632		q.add(three);
1633	<	for (Iterator it = q.iterator(); it.hasNext();) {
1633	>	for (Iterator<? extends Item> it = q.iterator(); it.hasNext();) {
1634		q.remove();
1635		it.next();
1636		}
1637	<	assertEquals(0, q.size());
1637	>	mustEqual(0, q.size());
1638		}
1639
1640		/**
1641		* Descending iterator iterates through all elements
1642		*/
1643		public void testDescendingIterator() {
1644	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1644	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1645		int i = 0;
1646	<	Iterator it = q.descendingIterator();
1646	>	Iterator<? extends Item> it = q.descendingIterator();
1647		while (it.hasNext()) {
1648	<	assertTrue(q.contains(it.next()));
1648	>	mustContain(q, it.next());
1649		++i;
1650		}
1651	<	assertEquals(i, SIZE);
1651	>	mustEqual(i, SIZE);
1652		assertFalse(it.hasNext());
1653		try {
1654		it.next();
#	Line 1620 | Line 1660 | public class LinkedBlockingDequeTest ext
1660		* Descending iterator ordering is reverse FIFO
1661		*/
1662		public void testDescendingIteratorOrdering() {
1663	<	final LinkedBlockingDeque q = new LinkedBlockingDeque();
1663	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
1664		for (int iters = 0; iters < 100; ++iters) {
1665	<	q.add(new Integer(3));
1666	<	q.add(new Integer(2));
1667	<	q.add(new Integer(1));
1665	>	mustAdd(q, three);
1666	>	mustAdd(q, two);
1667	>	mustAdd(q, one);
1668	>
1669		int k = 0;
1670	<	for (Iterator it = q.descendingIterator(); it.hasNext();) {
1671	<	assertEquals(++k, it.next());
1670	>	for (Iterator<? extends Item> it = q.descendingIterator(); it.hasNext();) {
1671	>	mustEqual(++k, it.next());
1672		}
1673
1674	<	assertEquals(3, k);
1674	>	mustEqual(3, k);
1675		q.remove();
1676		q.remove();
1677		q.remove();
#	Line 1641 | Line 1682 | public class LinkedBlockingDequeTest ext
1682		* descendingIterator.remove removes current element
1683		*/
1684		public void testDescendingIteratorRemove() {
1685	<	final LinkedBlockingDeque q = new LinkedBlockingDeque();
1685	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
1686		for (int iters = 0; iters < 100; ++iters) {
1687	<	q.add(new Integer(3));
1688	<	q.add(new Integer(2));
1689	<	q.add(new Integer(1));
1690	<	Iterator it = q.descendingIterator();
1691	<	assertEquals(it.next(), new Integer(1));
1687	>	mustAdd(q, three);
1688	>	mustAdd(q, two);
1689	>	mustAdd(q, one);
1690	>	Iterator<? extends Item> it = q.descendingIterator();
1691	>	mustEqual(it.next(), one);
1692		it.remove();
1693	<	assertEquals(it.next(), new Integer(2));
1693	>	mustEqual(it.next(), two);
1694		it = q.descendingIterator();
1695	<	assertEquals(it.next(), new Integer(2));
1696	<	assertEquals(it.next(), new Integer(3));
1695	>	mustEqual(it.next(), two);
1696	>	mustEqual(it.next(), three);
1697		it.remove();
1698		assertFalse(it.hasNext());
1699		q.remove();
#	Line 1663 | Line 1704 | public class LinkedBlockingDequeTest ext
1704		* toString contains toStrings of elements
1705		*/
1706		public void testToString() {
1707	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1707	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1708		String s = q.toString();
1709		for (int i = 0; i < SIZE; ++i) {
1710		assertTrue(s.contains(String.valueOf(i)));
#	Line 1674 | Line 1715 | public class LinkedBlockingDequeTest ext
1715		* offer transfers elements across Executor tasks
1716		*/
1717		public void testOfferInExecutor() {
1718	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1718	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
1719		q.add(one);
1720		q.add(two);
1721		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
#	Line 1685 | Line 1726 | public class LinkedBlockingDequeTest ext
1726		assertFalse(q.offer(three));
1727		threadsStarted.await();
1728		assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS));
1729	<	assertEquals(0, q.remainingCapacity());
1729	>	mustEqual(0, q.remainingCapacity());
1730		}});
1731
1732		executor.execute(new CheckedRunnable() {
#	Line 1700 | Line 1741 | public class LinkedBlockingDequeTest ext
1741		* timed poll retrieves elements across Executor threads
1742		*/
1743		public void testPollInExecutor() {
1744	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1744	>	final LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>(2);
1745		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
1746		final ExecutorService executor = Executors.newFixedThreadPool(2);
1747		try (PoolCleaner cleaner = cleaner(executor)) {
#	Line 1721 | Line 1762 | public class LinkedBlockingDequeTest ext
1762		}
1763
1764		/**
1765	<	* A deserialized serialized deque has same elements in same order
1765	>	* A deserialized/reserialized deque has same elements in same order
1766		*/
1767		public void testSerialization() throws Exception {
1768	<	Queue x = populatedDeque(SIZE);
1769	<	Queue y = serialClone(x);
1768	>	Queue<Item> x = populatedDeque(SIZE);
1769	>	Queue<Item> y = serialClone(x);
1770
1771		assertNotSame(y, x);
1772	<	assertEquals(x.size(), y.size());
1773	<	assertEquals(x.toString(), y.toString());
1772	>	mustEqual(x.size(), y.size());
1773	>	mustEqual(x.toString(), y.toString());
1774		assertTrue(Arrays.equals(x.toArray(), y.toArray()));
1775		while (!x.isEmpty()) {
1776		assertFalse(y.isEmpty());
1777	<	assertEquals(x.remove(), y.remove());
1777	>	mustEqual(x.remove(), y.remove());
1778		}
1779		assertTrue(y.isEmpty());
1780		}
#	Line 1742 | Line 1783 | public class LinkedBlockingDequeTest ext
1783		* drainTo(c) empties deque into another collection c
1784		*/
1785		public void testDrainTo() {
1786	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1787	<	ArrayList l = new ArrayList();
1786	>	LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1787	>	ArrayList<Item> l = new ArrayList<Item>();
1788		q.drainTo(l);
1789	<	assertEquals(0, q.size());
1790	<	assertEquals(SIZE, l.size());
1789	>	mustEqual(0, q.size());
1790	>	mustEqual(SIZE, l.size());
1791		for (int i = 0; i < SIZE; ++i)
1792	<	assertEquals(l.get(i), new Integer(i));
1792	>	mustEqual(l.get(i), i);
1793		q.add(zero);
1794		q.add(one);
1795		assertFalse(q.isEmpty());
1796	<	assertTrue(q.contains(zero));
1797	<	assertTrue(q.contains(one));
1796	>	mustContain(q, zero);
1797	>	mustContain(q, one);
1798		l.clear();
1799		q.drainTo(l);
1800	<	assertEquals(0, q.size());
1801	<	assertEquals(2, l.size());
1800	>	mustEqual(0, q.size());
1801	>	mustEqual(2, l.size());
1802		for (int i = 0; i < 2; ++i)
1803	<	assertEquals(l.get(i), new Integer(i));
1803	>	mustEqual(l.get(i), i);
1804		}
1805
1806		/**
1807		* drainTo empties full deque, unblocking a waiting put.
1808		*/
1809		public void testDrainToWithActivePut() throws InterruptedException {
1810	<	final LinkedBlockingDeque q = populatedDeque(SIZE);
1810	>	final LinkedBlockingDeque<Item> q = populatedDeque(SIZE);
1811		Thread t = new Thread(new CheckedRunnable() {
1812		public void realRun() throws InterruptedException {
1813	<	q.put(new Integer(SIZE + 1));
1813	>	q.put(new Item(SIZE + 1));
1814		}});
1815
1816		t.start();
1817	<	ArrayList l = new ArrayList();
1817	>	ArrayList<Item> l = new ArrayList<Item>();
1818		q.drainTo(l);
1819		assertTrue(l.size() >= SIZE);
1820		for (int i = 0; i < SIZE; ++i)
1821	<	assertEquals(l.get(i), new Integer(i));
1821	>	mustEqual(l.get(i), i);
1822		t.join();
1823		assertTrue(q.size() + l.size() >= SIZE);
1824		}
#	Line 1786 | Line 1827 | public class LinkedBlockingDequeTest ext
1827		* drainTo(c, n) empties first min(n, size) elements of queue into c
1828		*/
1829		public void testDrainToN() {
1830	<	LinkedBlockingDeque q = new LinkedBlockingDeque();
1830	>	LinkedBlockingDeque<Item> q = new LinkedBlockingDeque<Item>();
1831		for (int i = 0; i < SIZE + 2; ++i) {
1832		for (int j = 0; j < SIZE; j++)
1833	<	assertTrue(q.offer(new Integer(j)));
1834	<	ArrayList l = new ArrayList();
1833	>	mustOffer(q, j);
1834	>	ArrayList<Item> l = new ArrayList<Item>();
1835		q.drainTo(l, i);
1836		int k = (i < SIZE) ? i : SIZE;
1837	<	assertEquals(k, l.size());
1838	<	assertEquals(SIZE - k, q.size());
1837	>	mustEqual(k, l.size());
1838	>	mustEqual(SIZE - k, q.size());
1839		for (int j = 0; j < k; ++j)
1840	<	assertEquals(l.get(j), new Integer(j));
1840	>	mustEqual(l.get(j), j);
1841		do {} while (q.poll() != null);
1842		}
1843		}

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