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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.8 by jsr166, Tue Aug 4 20:35:11 2009 UTC vs.
Revision 1.14 by jsr166, Sat Aug 15 03:20:36 2009 UTC

#	Line 13 | Line 13 | import java.io.ObjectInputStream;
13		import java.io.ObjectOutputStream;
14		import java.util.ArrayList;
15		import java.util.Arrays;
16	–	import java.util.ConcurrentModificationException;
16		import java.util.Iterator;
17	+	import java.util.List;
18		import java.util.NoSuchElementException;
19		import java.util.concurrent.*;
20		import static java.util.concurrent.TimeUnit.MILLISECONDS;
21		import junit.framework.Test;
22		import junit.framework.TestSuite;
23
24	+	@SuppressWarnings({"unchecked", "rawtypes"})
25		public class LinkedTransferQueueTest extends JSR166TestCase {
26
27		public static void main(String[] args) {
#	Line 31 | Line 32 | public class LinkedTransferQueueTest ext
32		return new TestSuite(LinkedTransferQueueTest.class);
33		}
34
35	+	void checkEmpty(LinkedTransferQueue q) throws InterruptedException {
36	+	assertTrue(q.isEmpty());
37	+	assertEquals(0, q.size());
38	+	assertNull(q.peek());
39	+	assertNull(q.poll());
40	+	assertNull(q.poll(0, MILLISECONDS));
41	+	assertEquals(q.toString(), "[]");
42	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
43	+	assertFalse(q.iterator().hasNext());
44	+	try {
45	+	q.element();
46	+	shouldThrow();
47	+	} catch (NoSuchElementException success) {
48	+	}
49	+	try {
50	+	q.iterator().next();
51	+	shouldThrow();
52	+	} catch (NoSuchElementException success) {
53	+	}
54	+	try {
55	+	q.remove();
56	+	shouldThrow();
57	+	} catch (NoSuchElementException success) {
58	+	}
59	+	}
60	+
61		/**
62		* Constructor builds new queue with size being zero and empty
63		* being true
#	Line 85 | Line 112 | public class LinkedTransferQueueTest ext
112		* Queue contains all elements of the collection it is initialized by
113		*/
114		public void testConstructor5() {
115	<	try {
116	<	Integer[] ints = new Integer[SIZE];
117	<	for (int i = 0; i < SIZE; ++i) {
118	<	ints[i] = i;
119	<	}
120	<	LinkedTransferQueue q
121	<	= new LinkedTransferQueue(Arrays.asList(ints));
122	<	for (int i = 0; i < SIZE; ++i) {
123	<	assertEquals(ints[i], q.poll());
124	<	}
125	<	} finally {
115	>	Integer[] ints = new Integer[SIZE];
116	>	for (int i = 0; i < SIZE; ++i) {
117	>	ints[i] = i;
118	>	}
119	>	List intList = Arrays.asList(ints);
120	>	LinkedTransferQueue q
121	>	= new LinkedTransferQueue(intList);
122	>	assertEquals(q.size(), intList.size());
123	>	assertEquals(q.toString(), intList.toString());
124	>	assertTrue(Arrays.equals(q.toArray(),
125	>	intList.toArray()));
126	>	assertTrue(Arrays.equals(q.toArray(new Object[0]),
127	>	intList.toArray(new Object[0])));
128	>	assertTrue(Arrays.equals(q.toArray(new Object[SIZE]),
129	>	intList.toArray(new Object[SIZE])));
130	>	for (int i = 0; i < SIZE; ++i) {
131	>	assertEquals(ints[i], q.poll());
132		}
133		}
134
135		/**
136	<	* Remaining capacity never decrease nor increase on add or remove
136	>	* remainingCapacity() always returns Integer.MAX_VALUE
137		*/
138		public void testRemainingCapacity() {
139		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
#	Line 228 | Line 261 | public class LinkedTransferQueueTest ext
261		public void testPut() {
262		LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
263		for (int i = 0; i < SIZE; ++i) {
264	+	assertEquals(q.size(), i);
265		q.put(i);
266		assertTrue(q.contains(i));
267		}
234	–	assertEquals(q.size(), SIZE);
268		}
269
270		/**
#	Line 249 | Line 282 | public class LinkedTransferQueueTest ext
282		*/
283		public void testTakeFromEmpty() throws InterruptedException {
284		final LinkedTransferQueue q = new LinkedTransferQueue();
285	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
285	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
286		void realRun() throws InterruptedException {
287		q.take();
288		}});
256	–	t.start();
289		Thread.sleep(SHORT_DELAY_MS);
290		t.interrupt();
291		t.join();
#	Line 263 | Line 295 | public class LinkedTransferQueueTest ext
295		* Take removes existing elements until empty, then blocks interruptibly
296		*/
297		public void testBlockingTake() throws InterruptedException {
298	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
298	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
299	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
300		void realRun() throws InterruptedException {
268	–	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
301		for (int i = 0; i < SIZE; ++i) {
302		threadAssertEquals(i, (int) q.take());
303		}
304		q.take();
305		}});
306	<	t.start();
275	<	Thread.sleep(SHORT_DELAY_MS);
306	>	Thread.sleep(SMALL_DELAY_MS);
307		t.interrupt();
308		t.join();
309	+	checkEmpty(q);
310		}
311
312		/**
313		* poll succeeds unless empty
314		*/
315	<	public void testPoll() {
315	>	public void testPoll() throws InterruptedException {
316		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
317		for (int i = 0; i < SIZE; ++i) {
318		assertEquals(i, (int) q.poll());
319		}
320		assertNull(q.poll());
321	+	checkEmpty(q);
322		}
323
324		/**
#	Line 297 | Line 330 | public class LinkedTransferQueueTest ext
330		assertEquals(i, (int) q.poll(0, MILLISECONDS));
331		}
332		assertNull(q.poll(0, MILLISECONDS));
333	+	checkEmpty(q);
334		}
335
336		/**
#	Line 305 | Line 339 | public class LinkedTransferQueueTest ext
339		public void testTimedPoll() throws InterruptedException {
340		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
341		for (int i = 0; i < SIZE; ++i) {
342	<	assertEquals(i, (int) q.poll(SHORT_DELAY_MS, MILLISECONDS));
342	>	long t0 = System.nanoTime();
343	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
344	>	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
345	>	assertTrue(millisElapsed < SMALL_DELAY_MS);
346		}
347		assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
348	+	checkEmpty(q);
349		}
350
351		/**
#	Line 315 | Line 353 | public class LinkedTransferQueueTest ext
353		* returning timeout status
354		*/
355		public void testInterruptedTimedPoll() throws InterruptedException {
356	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
356	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
357	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
358		void realRun() throws InterruptedException {
320	–	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
359		for (int i = 0; i < SIZE; ++i) {
360	<	threadAssertEquals(i, (int) q.poll(SHORT_DELAY_MS,
360	>	long t0 = System.nanoTime();
361	>	threadAssertEquals(i, (int) q.poll(LONG_DELAY_MS,
362		MILLISECONDS));
363	+	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
364	+	assertTrue(millisElapsed < SMALL_DELAY_MS);
365		}
366	<	q.poll(SHORT_DELAY_MS, MILLISECONDS);
366	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
367		}});
368	<	t.start();
328	<	Thread.sleep(SHORT_DELAY_MS);
368	>	Thread.sleep(SMALL_DELAY_MS);
369		t.interrupt();
370		t.join();
371	+	checkEmpty(q);
372		}
373
374		/**
#	Line 336 | Line 377 | public class LinkedTransferQueueTest ext
377		*/
378		public void testTimedPollWithOffer() throws InterruptedException {
379		final LinkedTransferQueue q = new LinkedTransferQueue();
380	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
380	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
381		void realRun() throws InterruptedException {
382		threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
383		q.poll(LONG_DELAY_MS, MILLISECONDS);
384		q.poll(LONG_DELAY_MS, MILLISECONDS);
385		}});
345	–	t.start();
386		Thread.sleep(SMALL_DELAY_MS);
387		assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
388		t.interrupt();
#	Line 352 | Line 392 | public class LinkedTransferQueueTest ext
392		/**
393		* peek returns next element, or null if empty
394		*/
395	<	public void testPeek() {
395	>	public void testPeek() throws InterruptedException {
396		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
397		for (int i = 0; i < SIZE; ++i) {
398		assertEquals(i, (int) q.peek());
#	Line 361 | Line 401 | public class LinkedTransferQueueTest ext
401		i != (int) q.peek());
402		}
403		assertNull(q.peek());
404	+	checkEmpty(q);
405		}
406
407		/**
408		* element returns next element, or throws NoSuchElementException if empty
409		*/
410	<	public void testElement() {
410	>	public void testElement() throws InterruptedException {
411		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
412		for (int i = 0; i < SIZE; ++i) {
413		assertEquals(i, (int) q.element());
#	Line 377 | Line 418 | public class LinkedTransferQueueTest ext
418		shouldThrow();
419		} catch (NoSuchElementException success) {
420		}
421	+	checkEmpty(q);
422		}
423
424		/**
425		* remove removes next element, or throws NoSuchElementException if empty
426		*/
427	<	public void testRemove() {
427	>	public void testRemove() throws InterruptedException {
428		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
429		for (int i = 0; i < SIZE; ++i) {
430		assertEquals(i, (int) q.remove());
#	Line 392 | Line 434 | public class LinkedTransferQueueTest ext
434		shouldThrow();
435		} catch (NoSuchElementException success) {
436		}
437	+	checkEmpty(q);
438		}
439
440		/**
441		* remove(x) removes x and returns true if present
442		*/
443	<	public void testRemoveElement() {
443	>	public void testRemoveElement() throws InterruptedException {
444		LinkedTransferQueue q = populatedQueue(SIZE);
445		for (int i = 1; i < SIZE; i += 2) {
446		assertTrue(q.remove(i));
#	Line 406 | Line 449 | public class LinkedTransferQueueTest ext
449		assertTrue(q.remove(i));
450		assertFalse(q.remove(i + 1));
451		}
452	<	assertTrue(q.isEmpty());
452	>	checkEmpty(q);
453		}
454
455		/**
#	Line 419 | Line 462 | public class LinkedTransferQueueTest ext
462		assertTrue(q.remove(one));
463		assertTrue(q.remove(two));
464		assertTrue(q.add(three));
465	<	assertTrue(q.take() != null);
465	>	assertTrue(q.take() == three);
466		}
467
468		/**
#	Line 437 | Line 480 | public class LinkedTransferQueueTest ext
480		/**
481		* clear removes all elements
482		*/
483	<	public void testClear() {
483	>	public void testClear() throws InterruptedException {
484		LinkedTransferQueue q = populatedQueue(SIZE);
485		q.clear();
486	<	assertTrue(q.isEmpty());
444	<	assertEquals(0, q.size());
486	>	checkEmpty(q);
487		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
488		q.add(one);
489		assertFalse(q.isEmpty());
490	+	assertEquals(1, q.size());
491		assertTrue(q.contains(one));
492		q.clear();
493	<	assertTrue(q.isEmpty());
493	>	checkEmpty(q);
494		}
495
496		/**
#	Line 501 | Line 544 | public class LinkedTransferQueueTest ext
544		}
545
546		/**
547	<	* toArray contains all elements
547	>	* toArray() contains all elements
548		*/
549		public void testToArray() throws InterruptedException {
550		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 536 | Line 579 | public class LinkedTransferQueueTest ext
579		}
580
581		/**
582	<	* toArray with incompatible array type throws CCE
582	>	* toArray(incompatible array type) throws CCE
583		*/
584		public void testToArray1_BadArg() {
585		try {
#	Line 553 | Line 596 | public class LinkedTransferQueueTest ext
596		public void testIterator() throws InterruptedException {
597		LinkedTransferQueue q = populatedQueue(SIZE);
598		Iterator it = q.iterator();
599	+	int i = 0;
600		while (it.hasNext()) {
601	<	assertEquals(it.next(), q.take());
601	>	assertEquals(it.next(), i++);
602		}
603	+	assertEquals(i, SIZE);
604		}
605
606		/**
607	<	* iterator.remove removes current element
607	>	* iterator.remove() removes current element
608		*/
609		public void testIteratorRemove() {
610		final LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 646 | Line 691 | public class LinkedTransferQueueTest ext
691		}
692
693		/**
694	<	* poll retrieves elements across Executor threads
694	>	* timed poll retrieves elements across Executor threads
695		*/
696		public void testPollInExecutor() {
697		final LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 744 | Line 789 | public class LinkedTransferQueueTest ext
789		}
790
791		/**
792	<	* drainTo empties full queue, unblocking a waiting put.
792	>	* drainTo(c) empties full queue, unblocking a waiting put.
793		*/
794		public void testDrainToWithActivePut() throws InterruptedException {
795		final LinkedTransferQueue q = populatedQueue(SIZE);
796	<	Thread t = new Thread(new CheckedRunnable() {
796	>	Thread t = newStartedThread(new CheckedRunnable() {
797		void realRun() {
798		q.put(SIZE + 1);
799		}});
755	–	t.start();
800		ArrayList l = new ArrayList();
801		q.drainTo(l);
802		assertTrue(l.size() >= SIZE);
#	Line 769 | Line 813 | public class LinkedTransferQueueTest ext
813		public void testDrainToNullN() {
814		LinkedTransferQueue q = populatedQueue(SIZE);
815		try {
816	<	q.drainTo(null, 0);
816	>	q.drainTo(null, SIZE);
817		shouldThrow();
818		} catch (NullPointerException success) {
819		}
#	Line 781 | Line 825 | public class LinkedTransferQueueTest ext
825		public void testDrainToSelfN() {
826		LinkedTransferQueue q = populatedQueue(SIZE);
827		try {
828	<	q.drainTo(q, 0);
828	>	q.drainTo(q, SIZE);
829		shouldThrow();
830		} catch (IllegalArgumentException success) {
831		}
#	Line 810 | Line 854 | public class LinkedTransferQueueTest ext
854		}
855
856		/**
857	<	* poll and take decrement the waiting consumer count
857	>	* timed poll() or take() increments the waiting consumer count;
858	>	* offer(e) decrements the waiting consumer count
859		*/
860		public void testWaitingConsumer() throws InterruptedException {
861		final LinkedTransferQueue q = new LinkedTransferQueue();
862	<	final ConsumerObserver waiting = new ConsumerObserver();
863	<	new Thread(new CheckedRunnable() {
864	<	void realRun() {
862	>	assertEquals(q.getWaitingConsumerCount(), 0);
863	>	assertFalse(q.hasWaitingConsumer());
864	>
865	>	Thread t = newStartedThread(new CheckedRunnable() {
866	>	void realRun() throws InterruptedException {
867	>	Thread.sleep(SMALL_DELAY_MS);
868		threadAssertTrue(q.hasWaitingConsumer());
869	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
869	>	threadAssertEquals(q.getWaitingConsumerCount(), 1);
870		threadAssertTrue(q.offer(new Object()));
871	<	}}).start();
871	>	threadAssertFalse(q.hasWaitingConsumer());
872	>	threadAssertEquals(q.getWaitingConsumerCount(), 0);
873	>	}});
874	>
875		assertTrue(q.poll(LONG_DELAY_MS, MILLISECONDS) != null);
876	<	assertTrue(q.getWaitingConsumerCount()
877	<	< waiting.getWaitingConsumers());
876	>	assertEquals(q.getWaitingConsumerCount(), 0);
877	>	assertFalse(q.hasWaitingConsumer());
878	>	t.join();
879		}
880
881		/**
#	Line 846 | Line 898 | public class LinkedTransferQueueTest ext
898		final LinkedTransferQueue<Integer> q
899		= new LinkedTransferQueue<Integer>();
900
901	<	new Thread(new CheckedRunnable() {
901	>	Thread t = newStartedThread(new CheckedRunnable() {
902		void realRun() throws InterruptedException {
903		q.transfer(SIZE);
904		threadAssertTrue(q.isEmpty());
905	<	}}).start();
905	>	}});
906
907		Thread.sleep(SHORT_DELAY_MS);
908		assertEquals(1, q.size());
909		assertEquals(SIZE, (int) q.poll());
910		assertTrue(q.isEmpty());
911	+	t.join();
912		}
913
914		/**
#	Line 865 | Line 918 | public class LinkedTransferQueueTest ext
918		final LinkedTransferQueue<Integer> q
919		= new LinkedTransferQueue<Integer>();
920
921	<	Thread first = new Thread(new CheckedRunnable() {
921	>	Thread first = newStartedThread(new CheckedRunnable() {
922		void realRun() throws InterruptedException {
923		Integer i = SIZE + 1;
924		q.transfer(i);
925		threadAssertTrue(!q.contains(i));
926		threadAssertEquals(1, q.size());
927		}});
875	–	first.start();
928
929	<	Thread interruptedThread = new Thread(new CheckedInterruptedRunnable() {
930	<	void realRun() throws InterruptedException {
931	<	while (q.size() == 0)
932	<	Thread.yield();
933	<	q.transfer(SIZE);
934	<	}});
935	<	interruptedThread.start();
929	>	Thread interruptedThread = newStartedThread(
930	>	new CheckedInterruptedRunnable() {
931	>	void realRun() throws InterruptedException {
932	>	while (q.size() == 0)
933	>	Thread.yield();
934	>	q.transfer(SIZE);
935	>	}});
936
937		while (q.size() < 2)
938		Thread.yield();
#	Line 900 | Line 952 | public class LinkedTransferQueueTest ext
952		*/
953		public void testTransfer4() throws InterruptedException {
954		final LinkedTransferQueue q = new LinkedTransferQueue();
955	<	new Thread(new CheckedRunnable() {
955	>
956	>	Thread t = newStartedThread(new CheckedRunnable() {
957		void realRun() throws InterruptedException {
958		q.transfer(four);
959		threadAssertFalse(q.contains(four));
960		threadAssertEquals(three, q.poll());
961	<	}}).start();
962	<	Thread.sleep(MEDIUM_DELAY_MS);
961	>	}});
962	>
963	>	Thread.sleep(SHORT_DELAY_MS);
964		assertTrue(q.offer(three));
965		assertEquals(four, q.poll());
966	+	t.join();
967		}
968
969		/**
#	Line 919 | Line 974 | public class LinkedTransferQueueTest ext
974		final LinkedTransferQueue<Integer> q
975		= new LinkedTransferQueue<Integer>();
976
977	<	new Thread(new CheckedRunnable() {
977	>	Thread t = newStartedThread(new CheckedRunnable() {
978		void realRun() throws InterruptedException {
979		q.transfer(SIZE);
980	<	threadAssertTrue(q.isEmpty());
981	<	}}).start();
980	>	checkEmpty(q);
981	>	}});
982
983		Thread.sleep(SHORT_DELAY_MS);
984		assertEquals(SIZE, (int) q.take());
985	<	assertTrue(q.isEmpty());
985	>	checkEmpty(q);
986	>	t.join();
987		}
988
989		/**
#	Line 946 | Line 1002 | public class LinkedTransferQueueTest ext
1002		* tryTransfer returns false and does not enqueue if there are no
1003		* consumers waiting to poll or take.
1004		*/
1005	<	public void testTryTransfer2() {
1005	>	public void testTryTransfer2() throws InterruptedException {
1006		final LinkedTransferQueue q = new LinkedTransferQueue();
1007		assertFalse(q.tryTransfer(new Object()));
1008		assertFalse(q.hasWaitingConsumer());
1009	<	assertTrue(q.isEmpty());
954	<	assertEquals(0, q.size());
1009	>	checkEmpty(q);
1010		}
1011
1012		/**
#	Line 961 | Line 1016 | public class LinkedTransferQueueTest ext
1016		public void testTryTransfer3() throws InterruptedException {
1017		final Object hotPotato = new Object();
1018		final LinkedTransferQueue q = new LinkedTransferQueue();
1019	<	new Thread(new CheckedRunnable() {
1019	>
1020	>	Thread t = newStartedThread(new CheckedRunnable() {
1021		void realRun() {
1022		while (! q.hasWaitingConsumer())
1023		Thread.yield();
#	Line 969 | Line 1025 | public class LinkedTransferQueueTest ext
1025		threadAssertTrue(q.isEmpty());
1026		threadAssertTrue(q.size() == 0);
1027		threadAssertTrue(q.tryTransfer(hotPotato));
1028	<	}}).start();
1029	<	assertTrue(q.poll(LONG_DELAY_MS, MILLISECONDS) == hotPotato);
1030	<	assertTrue(q.isEmpty());
1028	>	}});
1029	>
1030	>	assertTrue(q.poll(MEDIUM_DELAY_MS, MILLISECONDS) == hotPotato);
1031	>	checkEmpty(q);
1032	>	t.join();
1033		}
1034
1035		/**
#	Line 981 | Line 1039 | public class LinkedTransferQueueTest ext
1039		public void testTryTransfer4() throws InterruptedException {
1040		final Object hotPotato = new Object();
1041		final LinkedTransferQueue q = new LinkedTransferQueue();
1042	<	new Thread(new CheckedRunnable() {
1042	>
1043	>	Thread t = newStartedThread(new CheckedRunnable() {
1044		void realRun() {
1045		while (! q.hasWaitingConsumer())
1046		Thread.yield();
#	Line 989 | Line 1048 | public class LinkedTransferQueueTest ext
1048		threadAssertTrue(q.isEmpty());
1049		threadAssertTrue(q.size() == 0);
1050		threadAssertTrue(q.tryTransfer(hotPotato));
1051	<	}}).start();
1051	>	}});
1052	>
1053		assertTrue(q.take() == hotPotato);
1054	<	assertTrue(q.isEmpty());
1054	>	checkEmpty(q);
1055	>	t.join();
1056		}
1057
1058		/**
#	Line 1000 | Line 1061 | public class LinkedTransferQueueTest ext
1061		*/
1062		public void testTryTransfer5() throws InterruptedException {
1063		final LinkedTransferQueue q = new LinkedTransferQueue();
1064	<	Thread toInterrupt = new Thread(new CheckedInterruptedRunnable() {
1064	>
1065	>	Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1066		void realRun() throws InterruptedException {
1067		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1068		}});
1069	<	toInterrupt.start();
1069	>
1070		Thread.sleep(SMALL_DELAY_MS);
1071		toInterrupt.interrupt();
1072	+	toInterrupt.join();
1073		}
1074
1075		/**
#	Line 1014 | Line 1077 | public class LinkedTransferQueueTest ext
1077		*/
1078		public void testTryTransfer6() throws InterruptedException {
1079		final LinkedTransferQueue q = new LinkedTransferQueue();
1080	<	new Thread(new CheckedRunnable() {
1080	>
1081	>	Thread t = newStartedThread(new CheckedRunnable() {
1082		void realRun() throws InterruptedException {
1083		threadAssertFalse
1084		(q.tryTransfer(new Object(),
1085		SHORT_DELAY_MS, MILLISECONDS));
1086	<	}}).start();
1087	<	Thread.sleep(LONG_DELAY_MS);
1088	<	assertTrue(q.isEmpty());
1086	>	}});
1087	>
1088	>	Thread.sleep(SMALL_DELAY_MS);
1089	>	checkEmpty(q);
1090	>	t.join();
1091		}
1092
1093		/**
#	Line 1031 | Line 1097 | public class LinkedTransferQueueTest ext
1097		public void testTryTransfer7() throws InterruptedException {
1098		final LinkedTransferQueue q = new LinkedTransferQueue();
1099		assertTrue(q.offer(four));
1100	<	new Thread(new CheckedRunnable() {
1100	>
1101	>	Thread t = newStartedThread(new CheckedRunnable() {
1102		void realRun() throws InterruptedException {
1103		threadAssertTrue(q.tryTransfer(five,
1104	<	LONG_DELAY_MS, MILLISECONDS));
1104	>	MEDIUM_DELAY_MS, MILLISECONDS));
1105		threadAssertTrue(q.isEmpty());
1106	<	}}).start();
1106	>	}});
1107	>
1108		Thread.sleep(SHORT_DELAY_MS);
1109		assertEquals(2, q.size());
1110		assertEquals(four, q.poll());
1111		assertEquals(five, q.poll());
1112	<	assertTrue(q.isEmpty());
1112	>	checkEmpty(q);
1113	>	t.join();
1114		}
1115
1116		/**
#	Line 1055 | Line 1124 | public class LinkedTransferQueueTest ext
1124		assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1125		assertEquals(1, q.size());
1126		assertEquals(four, q.poll());
1058	–	threadAssertTrue(q.isEmpty());
1127		assertNull(q.poll());
1128	+	checkEmpty(q);
1129		}
1130
1131		private LinkedTransferQueue<Integer> populatedQueue(int n) {
#	Line 1070 | Line 1139 | public class LinkedTransferQueueTest ext
1139		assertFalse(q.isEmpty());
1140		return q;
1141		}
1073	–
1074	–	private static class ConsumerObserver {
1075	–
1076	–	private int waitingConsumers;
1077	–
1078	–	private ConsumerObserver() {
1079	–	}
1080	–
1081	–	private void setWaitingConsumer(int i) {
1082	–	this.waitingConsumers = i;
1083	–	}
1084	–
1085	–	private int getWaitingConsumers() {
1086	–	return waitingConsumers;
1087	–	}
1088	–	}
1142		}

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