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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.12 by jsr166, Sat Aug 15 00:35:01 2009 UTC vs.
Revision 1.26 by jsr166, Tue Oct 19 00:41:14 2010 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;
#	Line 25 | Line 24 | import junit.framework.TestSuite;
24		@SuppressWarnings({"unchecked", "rawtypes"})
25		public class LinkedTransferQueueTest extends JSR166TestCase {
26
27	+	public static class Generic extends BlockingQueueTest {
28	+	protected BlockingQueue emptyCollection() {
29	+	return new LinkedTransferQueue();
30	+	}
31	+	}
32	+
33		public static void main(String[] args) {
34		junit.textui.TestRunner.run(suite());
35		}
36
37		public static Test suite() {
38	<	return new TestSuite(LinkedTransferQueueTest.class);
38	>	return newTestSuite(LinkedTransferQueueTest.class,
39	>	new Generic().testSuite());
40		}
41
42		void checkEmpty(LinkedTransferQueue q) throws InterruptedException {
#	Line 45 | Line 51 | public class LinkedTransferQueueTest ext
51		try {
52		q.element();
53		shouldThrow();
54	<	} catch (NoSuchElementException success) {
49	<	}
54	>	} catch (NoSuchElementException success) {}
55		try {
56		q.iterator().next();
57		shouldThrow();
58	<	} catch (NoSuchElementException success) {
54	<	}
58	>	} catch (NoSuchElementException success) {}
59		try {
60		q.remove();
61		shouldThrow();
62	<	} catch (NoSuchElementException success) {
59	<	}
62	>	} catch (NoSuchElementException success) {}
63		}
64
65		/**
#	Line 76 | Line 79 | public class LinkedTransferQueueTest ext
79		try {
80		new LinkedTransferQueue(null);
81		shouldThrow();
82	<	} catch (NullPointerException success) {
80	<	}
82	>	} catch (NullPointerException success) {}
83		}
84
85		/**
#	Line 89 | Line 91 | public class LinkedTransferQueueTest ext
91		Integer[] ints = new Integer[SIZE];
92		new LinkedTransferQueue(Arrays.asList(ints));
93		shouldThrow();
94	<	} catch (NullPointerException success) {
93	<	}
94	>	} catch (NullPointerException success) {}
95		}
96
97		/**
#	Line 105 | Line 106 | public class LinkedTransferQueueTest ext
106		}
107		new LinkedTransferQueue(Arrays.asList(ints));
108		shouldThrow();
109	<	} catch (NullPointerException success) {
109	<	}
109	>	} catch (NullPointerException success) {}
110		}
111
112		/**
#	Line 158 | Line 158 | public class LinkedTransferQueueTest ext
158		LinkedTransferQueue q = new LinkedTransferQueue();
159		q.offer(null);
160		shouldThrow();
161	<	} catch (NullPointerException success) {
162	<	}
161	>	} catch (NullPointerException success) {}
162		}
163
164		/**
#	Line 170 | Line 169 | public class LinkedTransferQueueTest ext
169		LinkedTransferQueue q = new LinkedTransferQueue();
170		q.add(null);
171		shouldThrow();
172	<	} catch (NullPointerException success) {
174	<	}
172	>	} catch (NullPointerException success) {}
173		}
174
175		/**
#	Line 182 | Line 180 | public class LinkedTransferQueueTest ext
180		LinkedTransferQueue q = new LinkedTransferQueue();
181		q.addAll(null);
182		shouldThrow();
183	<	} catch (NullPointerException success) {
186	<	}
183	>	} catch (NullPointerException success) {}
184		}
185
186		/**
#	Line 194 | Line 191 | public class LinkedTransferQueueTest ext
191		LinkedTransferQueue q = populatedQueue(SIZE);
192		q.addAll(q);
193		shouldThrow();
194	<	} catch (IllegalArgumentException success) {
198	<	}
194	>	} catch (IllegalArgumentException success) {}
195		}
196
197		/**
#	Line 207 | Line 203 | public class LinkedTransferQueueTest ext
203		Integer[] ints = new Integer[SIZE];
204		q.addAll(Arrays.asList(ints));
205		shouldThrow();
206	<	} catch (NullPointerException success) {
211	<	}
206	>	} catch (NullPointerException success) {}
207		}
208
209		/**
#	Line 224 | Line 219 | public class LinkedTransferQueueTest ext
219		}
220		q.addAll(Arrays.asList(ints));
221		shouldThrow();
222	<	} catch (NullPointerException success) {
228	<	}
222	>	} catch (NullPointerException success) {}
223		}
224
225		/**
#	Line 284 | Line 278 | public class LinkedTransferQueueTest ext
278		public void testTakeFromEmpty() throws InterruptedException {
279		final LinkedTransferQueue q = new LinkedTransferQueue();
280		Thread t = newStartedThread(new CheckedInterruptedRunnable() {
281	<	void realRun() throws InterruptedException {
281	>	public void realRun() throws InterruptedException {
282		q.take();
283		}});
284		Thread.sleep(SHORT_DELAY_MS);
#	Line 297 | Line 291 | public class LinkedTransferQueueTest ext
291		*/
292		public void testBlockingTake() throws InterruptedException {
293		final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
294	<	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
295	<	void realRun() throws InterruptedException {
294	>	Thread t = new Thread(new CheckedRunnable() {
295	>	public void realRun() throws InterruptedException {
296		for (int i = 0; i < SIZE; ++i) {
297	<	threadAssertEquals(i, (int) q.take());
297	>	assertEquals(i, (int) q.take());
298		}
299	<	q.take();
299	>	try {
300	>	q.take();
301	>	shouldThrow();
302	>	} catch (InterruptedException success) {}
303		}});
304	<	Thread.sleep(SMALL_DELAY_MS);
304	>
305	>	t.start();
306	>	Thread.sleep(SHORT_DELAY_MS);
307		t.interrupt();
308		t.join();
309		checkEmpty(q);
#	Line 355 | Line 354 | public class LinkedTransferQueueTest ext
354		*/
355		public void testInterruptedTimedPoll() throws InterruptedException {
356		final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
357	<	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
358	<	void realRun() throws InterruptedException {
357	>	Thread t = newStartedThread(new CheckedRunnable() {
358	>	public void realRun() throws InterruptedException {
359		for (int i = 0; i < SIZE; ++i) {
360		long t0 = System.nanoTime();
361	<	threadAssertEquals(i, (int) q.poll(LONG_DELAY_MS,
363	<	MILLISECONDS));
361	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
362		long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
363		assertTrue(millisElapsed < SMALL_DELAY_MS);
364		}
365	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
365	>	try {
366	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
367	>	shouldThrow();
368	>	} catch (InterruptedException success) {}
369		}});
369	–	Thread.sleep(SMALL_DELAY_MS);
370	–	t.interrupt();
371	–	t.join();
372	–	checkEmpty(q);
373	–	}
370
375	–	/**
376	–	* timed poll before a delayed offer fails; after offer succeeds;
377	–	* on interruption throws
378	–	*/
379	–	public void testTimedPollWithOffer() throws InterruptedException {
380	–	final LinkedTransferQueue q = new LinkedTransferQueue();
381	–	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
382	–	void realRun() throws InterruptedException {
383	–	threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
384	–	q.poll(LONG_DELAY_MS, MILLISECONDS);
385	–	q.poll(LONG_DELAY_MS, MILLISECONDS);
386	–	}});
371		Thread.sleep(SMALL_DELAY_MS);
388	–	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
372		t.interrupt();
373		t.join();
374	+	checkEmpty(q);
375		}
376
377		/**
#	Line 417 | Line 401 | public class LinkedTransferQueueTest ext
401		try {
402		q.element();
403		shouldThrow();
404	<	} catch (NoSuchElementException success) {
421	<	}
404	>	} catch (NoSuchElementException success) {}
405		checkEmpty(q);
406		}
407
#	Line 433 | Line 416 | public class LinkedTransferQueueTest ext
416		try {
417		q.remove();
418		shouldThrow();
419	<	} catch (NoSuchElementException success) {
437	<	}
419	>	} catch (NoSuchElementException success) {}
420		checkEmpty(q);
421		}
422
#	Line 463 | Line 445 | public class LinkedTransferQueueTest ext
445		assertTrue(q.remove(one));
446		assertTrue(q.remove(two));
447		assertTrue(q.add(three));
448	<	assertTrue(q.take() == three);
448	>	assertSame(q.take(), three);
449		}
450
451		/**
#	Line 545 | Line 527 | public class LinkedTransferQueueTest ext
527		}
528
529		/**
530	<	* toArray contains all elements
530	>	* toArray() contains all elements
531		*/
532		public void testToArray() throws InterruptedException {
533		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 571 | Line 553 | public class LinkedTransferQueueTest ext
553		* toArray(null) throws NullPointerException
554		*/
555		public void testToArray_BadArg() {
556	+	LinkedTransferQueue q = populatedQueue(SIZE);
557		try {
575	–	LinkedTransferQueue q = populatedQueue(SIZE);
558		Object o[] = q.toArray(null);
559		shouldThrow();
560	<	} catch (NullPointerException success) {
579	<	}
560	>	} catch (NullPointerException success) {}
561		}
562
563		/**
564	<	* toArray with incompatible array type throws CCE
564	>	* toArray(incompatible array type) throws CCE
565		*/
566		public void testToArray1_BadArg() {
567	+	LinkedTransferQueue q = populatedQueue(SIZE);
568		try {
587	–	LinkedTransferQueue q = populatedQueue(SIZE);
569		Object o[] = q.toArray(new String[10]);
570		shouldThrow();
571	<	} catch (ArrayStoreException success) {
591	<	}
571	>	} catch (ArrayStoreException success) {}
572		}
573
574		/**
#	Line 618 | Line 598 | public class LinkedTransferQueueTest ext
598		it.remove();
599
600		it = q.iterator();
601	<	assertEquals(it.next(), one);
602	<	assertEquals(it.next(), three);
601	>	assertSame(it.next(), one);
602	>	assertSame(it.next(), three);
603		assertFalse(it.hasNext());
604		}
605
#	Line 677 | Line 657 | public class LinkedTransferQueueTest ext
657		ExecutorService executor = Executors.newFixedThreadPool(2);
658
659		executor.execute(new CheckedRunnable() {
660	<	void realRun() {
661	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS,
682	<	MILLISECONDS));
660	>	public void realRun() {
661	>	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
662		}});
663
664		executor.execute(new CheckedRunnable() {
665	<	void realRun() throws InterruptedException {
665	>	public void realRun() throws InterruptedException {
666		Thread.sleep(SMALL_DELAY_MS);
667	<	threadAssertEquals(one, q.take());
667	>	assertSame(one, q.take());
668		}});
669
670		joinPool(executor);
671		}
672
673		/**
674	<	* poll retrieves elements across Executor threads
674	>	* timed poll retrieves elements across Executor threads
675		*/
676		public void testPollInExecutor() {
677		final LinkedTransferQueue q = new LinkedTransferQueue();
678		ExecutorService executor = Executors.newFixedThreadPool(2);
679
680		executor.execute(new CheckedRunnable() {
681	<	void realRun() throws InterruptedException {
682	<	threadAssertNull(q.poll());
683	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS,
684	<	MILLISECONDS));
706	<	threadAssertTrue(q.isEmpty());
681	>	public void realRun() throws InterruptedException {
682	>	assertNull(q.poll());
683	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
684	>	assertTrue(q.isEmpty());
685		}});
686
687		executor.execute(new CheckedRunnable() {
688	<	void realRun() throws InterruptedException {
688	>	public void realRun() throws InterruptedException {
689		Thread.sleep(SMALL_DELAY_MS);
690		q.put(one);
691		}});
#	Line 747 | Line 725 | public class LinkedTransferQueueTest ext
725		try {
726		q.drainTo(null);
727		shouldThrow();
728	<	} catch (NullPointerException success) {
751	<	}
728	>	} catch (NullPointerException success) {}
729		}
730
731		/**
#	Line 759 | Line 736 | public class LinkedTransferQueueTest ext
736		try {
737		q.drainTo(q);
738		shouldThrow();
739	<	} catch (IllegalArgumentException success) {
763	<	}
739	>	} catch (IllegalArgumentException success) {}
740		}
741
742		/**
#	Line 790 | Line 766 | public class LinkedTransferQueueTest ext
766		}
767
768		/**
769	<	* drainTo empties full queue, unblocking a waiting put.
769	>	* drainTo(c) empties full queue, unblocking a waiting put.
770		*/
771		public void testDrainToWithActivePut() throws InterruptedException {
772		final LinkedTransferQueue q = populatedQueue(SIZE);
773		Thread t = newStartedThread(new CheckedRunnable() {
774	<	void realRun() {
774	>	public void realRun() {
775		q.put(SIZE + 1);
776		}});
777		ArrayList l = new ArrayList();
#	Line 816 | Line 792 | public class LinkedTransferQueueTest ext
792		try {
793		q.drainTo(null, SIZE);
794		shouldThrow();
795	<	} catch (NullPointerException success) {
820	<	}
795	>	} catch (NullPointerException success) {}
796		}
797
798		/**
#	Line 828 | Line 803 | public class LinkedTransferQueueTest ext
803		try {
804		q.drainTo(q, SIZE);
805		shouldThrow();
806	<	} catch (IllegalArgumentException success) {
832	<	}
806	>	} catch (IllegalArgumentException success) {}
807		}
808
809		/**
810	<	* drainTo(c, n) empties first max {n, size} elements of queue into c
810	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
811		*/
812		public void testDrainToN() {
813		LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 855 | Line 829 | public class LinkedTransferQueueTest ext
829		}
830
831		/**
832	<	* poll and take decrement the waiting consumer count
832	>	* timed poll() or take() increments the waiting consumer count;
833	>	* offer(e) decrements the waiting consumer count
834		*/
835		public void testWaitingConsumer() throws InterruptedException {
836		final LinkedTransferQueue q = new LinkedTransferQueue();
837	<	final ConsumerObserver waiting = new ConsumerObserver();
837	>	assertEquals(q.getWaitingConsumerCount(), 0);
838	>	assertFalse(q.hasWaitingConsumer());
839
840		Thread t = newStartedThread(new CheckedRunnable() {
841	<	void realRun() throws InterruptedException {
841	>	public void realRun() throws InterruptedException {
842		Thread.sleep(SMALL_DELAY_MS);
843	<	threadAssertTrue(q.hasWaitingConsumer());
844	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
845	<	threadAssertTrue(q.offer(new Object()));
843	>	assertTrue(q.hasWaitingConsumer());
844	>	assertEquals(q.getWaitingConsumerCount(), 1);
845	>	assertTrue(q.offer(one));
846	>	assertFalse(q.hasWaitingConsumer());
847	>	assertEquals(q.getWaitingConsumerCount(), 0);
848		}});
849
850	<	assertTrue(q.poll(LONG_DELAY_MS, MILLISECONDS) != null);
851	<	assertTrue(q.getWaitingConsumerCount()
852	<	< waiting.getWaitingConsumers());
850	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
851	>	assertEquals(q.getWaitingConsumerCount(), 0);
852	>	assertFalse(q.hasWaitingConsumer());
853		t.join();
854		}
855
#	Line 883 | Line 861 | public class LinkedTransferQueueTest ext
861		LinkedTransferQueue q = new LinkedTransferQueue();
862		q.transfer(null);
863		shouldThrow();
864	<	} catch (NullPointerException ex) {
887	<	}
864	>	} catch (NullPointerException success) {}
865		}
866
867		/**
#	Line 896 | Line 873 | public class LinkedTransferQueueTest ext
873		= new LinkedTransferQueue<Integer>();
874
875		Thread t = newStartedThread(new CheckedRunnable() {
876	<	void realRun() throws InterruptedException {
876	>	public void realRun() throws InterruptedException {
877		q.transfer(SIZE);
878	<	threadAssertTrue(q.isEmpty());
878	>	assertTrue(q.isEmpty());
879		}});
880
881		Thread.sleep(SHORT_DELAY_MS);
#	Line 916 | Line 893 | public class LinkedTransferQueueTest ext
893		= new LinkedTransferQueue<Integer>();
894
895		Thread first = newStartedThread(new CheckedRunnable() {
896	<	void realRun() throws InterruptedException {
896	>	public void realRun() throws InterruptedException {
897		Integer i = SIZE + 1;
898		q.transfer(i);
899	<	threadAssertTrue(!q.contains(i));
900	<	threadAssertEquals(1, q.size());
899	>	assertTrue(!q.contains(i));
900	>	assertEquals(1, q.size());
901		}});
902
903		Thread interruptedThread = newStartedThread(
904		new CheckedInterruptedRunnable() {
905	<	void realRun() throws InterruptedException {
905	>	public void realRun() throws InterruptedException {
906		while (q.size() == 0)
907		Thread.yield();
908		q.transfer(SIZE);
#	Line 951 | Line 928 | public class LinkedTransferQueueTest ext
928		final LinkedTransferQueue q = new LinkedTransferQueue();
929
930		Thread t = newStartedThread(new CheckedRunnable() {
931	<	void realRun() throws InterruptedException {
931	>	public void realRun() throws InterruptedException {
932		q.transfer(four);
933	<	threadAssertFalse(q.contains(four));
934	<	threadAssertEquals(three, q.poll());
933	>	assertFalse(q.contains(four));
934	>	assertSame(three, q.poll());
935		}});
936
937		Thread.sleep(SHORT_DELAY_MS);
938		assertTrue(q.offer(three));
939	<	assertEquals(four, q.poll());
939	>	assertSame(four, q.poll());
940		t.join();
941		}
942
#	Line 972 | Line 949 | public class LinkedTransferQueueTest ext
949		= new LinkedTransferQueue<Integer>();
950
951		Thread t = newStartedThread(new CheckedRunnable() {
952	<	void realRun() throws InterruptedException {
952	>	public void realRun() throws InterruptedException {
953		q.transfer(SIZE);
954		checkEmpty(q);
955		}});
#	Line 991 | Line 968 | public class LinkedTransferQueueTest ext
968		final LinkedTransferQueue q = new LinkedTransferQueue();
969		q.tryTransfer(null);
970		shouldThrow();
971	<	} catch (NullPointerException ex) {
995	<	}
971	>	} catch (NullPointerException success) {}
972		}
973
974		/**
#	Line 1015 | Line 991 | public class LinkedTransferQueueTest ext
991		final LinkedTransferQueue q = new LinkedTransferQueue();
992
993		Thread t = newStartedThread(new CheckedRunnable() {
994	<	void realRun() {
994	>	public void realRun() {
995		while (! q.hasWaitingConsumer())
996		Thread.yield();
997	<	threadAssertTrue(q.hasWaitingConsumer());
998	<	threadAssertTrue(q.isEmpty());
999	<	threadAssertTrue(q.size() == 0);
1000	<	threadAssertTrue(q.tryTransfer(hotPotato));
997	>	assertTrue(q.hasWaitingConsumer());
998	>	assertTrue(q.isEmpty());
999	>	assertEquals(q.size(), 0);
1000	>	assertTrue(q.tryTransfer(hotPotato));
1001		}});
1002
1003	<	assertTrue(q.poll(MEDIUM_DELAY_MS, MILLISECONDS) == hotPotato);
1003	>	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1004		checkEmpty(q);
1005		t.join();
1006		}
#	Line 1038 | Line 1014 | public class LinkedTransferQueueTest ext
1014		final LinkedTransferQueue q = new LinkedTransferQueue();
1015
1016		Thread t = newStartedThread(new CheckedRunnable() {
1017	<	void realRun() {
1017	>	public void realRun() {
1018		while (! q.hasWaitingConsumer())
1019		Thread.yield();
1020	<	threadAssertTrue(q.hasWaitingConsumer());
1021	<	threadAssertTrue(q.isEmpty());
1022	<	threadAssertTrue(q.size() == 0);
1023	<	threadAssertTrue(q.tryTransfer(hotPotato));
1020	>	assertTrue(q.hasWaitingConsumer());
1021	>	assertTrue(q.isEmpty());
1022	>	assertEquals(q.size(), 0);
1023	>	assertTrue(q.tryTransfer(hotPotato));
1024		}});
1025
1026	<	assertTrue(q.take() == hotPotato);
1026	>	assertSame(q.take(), hotPotato);
1027		checkEmpty(q);
1028		t.join();
1029		}
#	Line 1060 | Line 1036 | public class LinkedTransferQueueTest ext
1036		final LinkedTransferQueue q = new LinkedTransferQueue();
1037
1038		Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1039	<	void realRun() throws InterruptedException {
1039	>	public void realRun() throws InterruptedException {
1040		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1041		}});
1042
#	Line 1076 | Line 1052 | public class LinkedTransferQueueTest ext
1052		final LinkedTransferQueue q = new LinkedTransferQueue();
1053
1054		Thread t = newStartedThread(new CheckedRunnable() {
1055	<	void realRun() throws InterruptedException {
1056	<	threadAssertFalse
1057	<	(q.tryTransfer(new Object(),
1082	<	SHORT_DELAY_MS, MILLISECONDS));
1055	>	public void realRun() throws InterruptedException {
1056	>	assertFalse(q.tryTransfer(new Object(),
1057	>	SHORT_DELAY_MS, MILLISECONDS));
1058		}});
1059
1060		Thread.sleep(SMALL_DELAY_MS);
#	Line 1096 | Line 1071 | public class LinkedTransferQueueTest ext
1071		assertTrue(q.offer(four));
1072
1073		Thread t = newStartedThread(new CheckedRunnable() {
1074	<	void realRun() throws InterruptedException {
1075	<	threadAssertTrue(q.tryTransfer(five,
1076	<	MEDIUM_DELAY_MS, MILLISECONDS));
1102	<	threadAssertTrue(q.isEmpty());
1074	>	public void realRun() throws InterruptedException {
1075	>	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1076	>	assertTrue(q.isEmpty());
1077		}});
1078
1079		Thread.sleep(SHORT_DELAY_MS);
1080		assertEquals(2, q.size());
1081	<	assertEquals(four, q.poll());
1082	<	assertEquals(five, q.poll());
1081	>	assertSame(four, q.poll());
1082	>	assertSame(five, q.poll());
1083		checkEmpty(q);
1084		t.join();
1085		}
#	Line 1120 | Line 1094 | public class LinkedTransferQueueTest ext
1094		assertEquals(1, q.size());
1095		assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1096		assertEquals(1, q.size());
1097	<	assertEquals(four, q.poll());
1124	<	checkEmpty(q);
1097	>	assertSame(four, q.poll());
1098		assertNull(q.poll());
1099	+	checkEmpty(q);
1100		}
1101
1102		private LinkedTransferQueue<Integer> populatedQueue(int n) {
#	Line 1136 | Line 1110 | public class LinkedTransferQueueTest ext
1110		assertFalse(q.isEmpty());
1111		return q;
1112		}
1139	–
1140	–	private static class ConsumerObserver {
1141	–
1142	–	private int waitingConsumers;
1143	–
1144	–	private ConsumerObserver() {
1145	–	}
1146	–
1147	–	private void setWaitingConsumer(int i) {
1148	–	this.waitingConsumers = i;
1149	–	}
1150	–
1151	–	private int getWaitingConsumers() {
1152	–	return waitingConsumers;
1153	–	}
1154	–	}
1113		}

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