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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.5 by jsr166, Sun Aug 2 08:17:31 2009 UTC vs.
Revision 1.10 by jsr166, Thu Aug 6 03:55:39 2009 UTC

#	Line 17 | Line 17 | import java.util.ConcurrentModificationE
17		import java.util.Iterator;
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 33 | public class LinkedTransferQueueTest ext
33		}
34
35		/**
36	<	* Constructor builds new queue with size being zero and empty being true
36	>	* Constructor builds new queue with size being zero and empty
37	>	* being true
38		*/
39		public void testConstructor1() {
40		assertEquals(0, new LinkedTransferQueue().size());
#	Line 39 | Line 42 | public class LinkedTransferQueueTest ext
42		}
43
44		/**
45	<	* Initializing constructor with null collection throws NullPointerException
45	>	* Initializing constructor with null collection throws
46	>	* NullPointerException
47		*/
48		public void testConstructor2() {
49		try {
#	Line 50 | Line 54 | public class LinkedTransferQueueTest ext
54		}
55
56		/**
57	<	* Initializing from Collection of null elements throws NullPointerException
57	>	* Initializing from Collection of null elements throws
58	>	* NullPointerException
59		*/
60		public void testConstructor3() {
61		try {
62		Integer[] ints = new Integer[SIZE];
63	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
63	>	new LinkedTransferQueue(Arrays.asList(ints));
64		shouldThrow();
65		} catch (NullPointerException success) {
66		}
#	Line 71 | Line 76 | public class LinkedTransferQueueTest ext
76		for (int i = 0; i < SIZE - 1; ++i) {
77		ints[i] = i;
78		}
79	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
79	>	new LinkedTransferQueue(Arrays.asList(ints));
80		shouldThrow();
81		} catch (NullPointerException success) {
82		}
#	Line 86 | Line 91 | public class LinkedTransferQueueTest ext
91		for (int i = 0; i < SIZE; ++i) {
92		ints[i] = i;
93		}
94	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
94	>	LinkedTransferQueue q
95	>	= new LinkedTransferQueue(Arrays.asList(ints));
96		for (int i = 0; i < SIZE; ++i) {
97		assertEquals(ints[i], q.poll());
98		}
#	Line 173 | Line 179 | public class LinkedTransferQueueTest ext
179		}
180
181		/**
182	<	* addAll of a collection with any null elements throws NullPointerException after
183	<	* possibly adding some elements
182	>	* addAll of a collection with any null elements throws
183	>	* NullPointerException after possibly adding some elements
184		*/
185		public void testAddAll3() {
186		try {
#	Line 244 | Line 250 | public class LinkedTransferQueueTest ext
250		*/
251		public void testTakeFromEmpty() throws InterruptedException {
252		final LinkedTransferQueue q = new LinkedTransferQueue();
253	<	Thread t = new Thread(new Runnable() {
254	<	public void run() {
255	<	try {
250	<	q.take();
251	<	threadShouldThrow();
252	<	} catch (InterruptedException success) {
253	<	} catch (Throwable ex) {
254	<	threadUnexpectedException(ex);
255	<	}
253	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
254	>	void realRun() throws InterruptedException {
255	>	q.take();
256		}});
257	–	t.start();
257		Thread.sleep(SHORT_DELAY_MS);
258		t.interrupt();
259		t.join();
#	Line 264 | Line 263 | public class LinkedTransferQueueTest ext
263		* Take removes existing elements until empty, then blocks interruptibly
264		*/
265		public void testBlockingTake() throws InterruptedException {
266	<	Thread t = new Thread(new Runnable() {
267	<	public void run() {
268	<	try {
269	<	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
270	<	for (int i = 0; i < SIZE; ++i) {
272	<	threadAssertEquals(i, (int) q.take());
273	<	}
274	<	q.take();
275	<	threadShouldThrow();
276	<	} catch (InterruptedException success) {
277	<	} catch (Throwable ex) {
278	<	threadUnexpectedException(ex);
266	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
267	>	void realRun() throws InterruptedException {
268	>	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
269	>	for (int i = 0; i < SIZE; ++i) {
270	>	threadAssertEquals(i, (int) q.take());
271		}
272	+	q.take();
273		}});
281	–	t.start();
274		Thread.sleep(SHORT_DELAY_MS);
275		t.interrupt();
276		t.join();
#	Line 301 | Line 293 | public class LinkedTransferQueueTest ext
293		public void testTimedPoll0() throws InterruptedException {
294		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
295		for (int i = 0; i < SIZE; ++i) {
296	<	assertEquals(i, (int) q.poll(0, TimeUnit.MILLISECONDS));
296	>	assertEquals(i, (int) q.poll(0, MILLISECONDS));
297		}
298	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
298	>	assertNull(q.poll(0, MILLISECONDS));
299		}
300
301		/**
#	Line 312 | Line 304 | public class LinkedTransferQueueTest ext
304		public void testTimedPoll() throws InterruptedException {
305		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
306		for (int i = 0; i < SIZE; ++i) {
307	<	assertEquals(i, (int) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
307	>	assertEquals(i, (int) q.poll(SHORT_DELAY_MS, MILLISECONDS));
308		}
309	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
309	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
310		}
311
312		/**
#	Line 322 | Line 314 | public class LinkedTransferQueueTest ext
314		* returning timeout status
315		*/
316		public void testInterruptedTimedPoll() throws InterruptedException {
317	<	Thread t = new Thread(new Runnable() {
318	<	public void run() {
319	<	try {
320	<	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
321	<	for (int i = 0; i < SIZE; ++i) {
322	<	threadAssertEquals(i, (int) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
331	<	}
332	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
333	<	} catch (InterruptedException success) {
334	<	} catch (Throwable ex) {
335	<	threadUnexpectedException(ex);
317	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
318	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
319	>	void realRun() throws InterruptedException {
320	>	for (int i = 0; i < SIZE; ++i) {
321	>	threadAssertEquals(i, (int) q.poll(LONG_DELAY_MS,
322	>	MILLISECONDS));
323		}
324	+	q.poll(LONG_DELAY_MS, MILLISECONDS);
325		}});
326	<	t.start();
339	<	Thread.sleep(SHORT_DELAY_MS);
326	>	Thread.sleep(SMALL_DELAY_MS);
327		t.interrupt();
328		t.join();
329	+	assertEquals(q.size(), 0);
330	+	assertNull(q.poll());
331		}
332
333		/**
#	Line 347 | Line 336 | public class LinkedTransferQueueTest ext
336		*/
337		public void testTimedPollWithOffer() throws InterruptedException {
338		final LinkedTransferQueue q = new LinkedTransferQueue();
339	<	Thread t = new Thread(new Runnable() {
340	<	public void run() {
341	<	try {
342	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
343	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
355	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
356	<	threadShouldThrow();
357	<	} catch (InterruptedException success) {
358	<	} catch (Throwable ex) {
359	<	threadUnexpectedException(ex);
360	<	}
339	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
340	>	void realRun() throws InterruptedException {
341	>	threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
342	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
343	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
344		}});
362	–	t.start();
345		Thread.sleep(SMALL_DELAY_MS);
346	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
346	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
347		t.interrupt();
348		t.join();
349		}
#	Line 482 | Line 464 | public class LinkedTransferQueueTest ext
464		}
465
466		/**
467	<	* retainAll(c) retains only those elements of c and reports true if changed
467	>	* retainAll(c) retains only those elements of c and reports true
468	>	* if changed
469		*/
470		public void testRetainAll() {
471		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 501 | Line 484 | public class LinkedTransferQueueTest ext
484		}
485
486		/**
487	<	* removeAll(c) removes only those elements of c and reports true if changed
487	>	* removeAll(c) removes only those elements of c and reports true
488	>	* if changed
489		*/
490		public void testRemoveAll() {
491		for (int i = 1; i < SIZE; ++i) {
#	Line 568 | Line 552 | public class LinkedTransferQueueTest ext
552		public void testIterator() throws InterruptedException {
553		LinkedTransferQueue q = populatedQueue(SIZE);
554		Iterator it = q.iterator();
555	+	int i = 0;
556		while (it.hasNext()) {
557	<	assertEquals(it.next(), q.take());
557	>	assertEquals(it.next(), i++);
558		}
559	+	assertEquals(i, SIZE);
560		}
561
562		/**
#	Line 596 | Line 582 | public class LinkedTransferQueueTest ext
582		* iterator ordering is FIFO
583		*/
584		public void testIteratorOrdering() {
585	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
585	>	final LinkedTransferQueue<Integer> q
586	>	= new LinkedTransferQueue<Integer>();
587		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
588		q.add(one);
589		q.add(two);
#	Line 643 | Line 630 | public class LinkedTransferQueueTest ext
630		q.add(one);
631		q.add(two);
632		ExecutorService executor = Executors.newFixedThreadPool(2);
633	<	executor.execute(new Runnable() {
634	<	public void run() {
635	<	try {
636	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
637	<	} catch (Throwable ex) {
651	<	threadUnexpectedException(ex);
652	<	}
633	>
634	>	executor.execute(new CheckedRunnable() {
635	>	void realRun() {
636	>	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS,
637	>	MILLISECONDS));
638		}});
639
640	<	executor.execute(new Runnable() {
641	<	public void run() {
642	<	try {
643	<	Thread.sleep(SMALL_DELAY_MS);
659	<	threadAssertEquals(one, q.take());
660	<	} catch (Throwable ex) {
661	<	threadUnexpectedException(ex);
662	<	}
640	>	executor.execute(new CheckedRunnable() {
641	>	void realRun() throws InterruptedException {
642	>	Thread.sleep(SMALL_DELAY_MS);
643	>	threadAssertEquals(one, q.take());
644		}});
645
646		joinPool(executor);
#	Line 671 | Line 652 | public class LinkedTransferQueueTest ext
652		public void testPollInExecutor() {
653		final LinkedTransferQueue q = new LinkedTransferQueue();
654		ExecutorService executor = Executors.newFixedThreadPool(2);
655	<	executor.execute(new Runnable() {
656	<	public void run() {
657	<	try {
658	<	threadAssertNull(q.poll());
659	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
660	<	threadAssertTrue(q.isEmpty());
661	<	} catch (Throwable  ex) {
681	<	threadUnexpectedException(ex);
682	<	}
655	>
656	>	executor.execute(new CheckedRunnable() {
657	>	void realRun() throws InterruptedException {
658	>	threadAssertNull(q.poll());
659	>	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS,
660	>	MILLISECONDS));
661	>	threadAssertTrue(q.isEmpty());
662		}});
663
664	<	executor.execute(new Runnable() {
665	<	public void run() {
666	<	try {
667	<	Thread.sleep(SMALL_DELAY_MS);
689	<	q.put(one);
690	<	} catch (Throwable ex) {
691	<	threadUnexpectedException(ex);
692	<	}
664	>	executor.execute(new CheckedRunnable() {
665	>	void realRun() throws InterruptedException {
666	>	Thread.sleep(SMALL_DELAY_MS);
667	>	q.put(one);
668		}});
669
670		joinPool(executor);
#	Line 702 | Line 677 | public class LinkedTransferQueueTest ext
677		LinkedTransferQueue q = populatedQueue(SIZE);
678
679		ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
680	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
680	>	ObjectOutputStream out
681	>	= new ObjectOutputStream(new BufferedOutputStream(bout));
682		out.writeObject(q);
683		out.close();
684
685	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
686	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
685	>	ByteArrayInputStream bin
686	>	= new ByteArrayInputStream(bout.toByteArray());
687	>	ObjectInputStream in
688	>	= new ObjectInputStream(new BufferedInputStream(bin));
689		LinkedTransferQueue r = (LinkedTransferQueue) in.readObject();
690
691		assertEquals(q.size(), r.size());
#	Line 771 | Line 749 | public class LinkedTransferQueueTest ext
749		*/
750		public void testDrainToWithActivePut() throws InterruptedException {
751		final LinkedTransferQueue q = populatedQueue(SIZE);
752	<	Thread t = new Thread(new Runnable() {
753	<	public void run() {
754	<	try {
777	<	q.put(SIZE + 1);
778	<	} catch (Throwable ex) {
779	<	threadUnexpectedException(ex);
780	<	}
752	>	Thread t = newStartedThread(new CheckedRunnable() {
753	>	void realRun() {
754	>	q.put(SIZE + 1);
755		}});
782	–	t.start();
756		ArrayList l = new ArrayList();
757		q.drainTo(l);
758		assertTrue(l.size() >= SIZE);
#	Line 837 | Line 810 | public class LinkedTransferQueueTest ext
810		}
811
812		/**
813	<	* poll and take should decrement the waiting consumer count
813	>	* poll and take decrement the waiting consumer count
814		*/
815		public void testWaitingConsumer() throws InterruptedException {
816		final LinkedTransferQueue q = new LinkedTransferQueue();
817		final ConsumerObserver waiting = new ConsumerObserver();
818	<	new Thread(new Runnable() {
819	<	public void run() {
820	<	try {
821	<	threadAssertTrue(q.hasWaitingConsumer());
822	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
823	<	threadAssertTrue(q.offer(new Object()));
824	<	} catch (Throwable ex) {
825	<	threadUnexpectedException(ex);
826	<	}
827	<	}}).start();
828	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null);
829	<	assertTrue(q.getWaitingConsumerCount() < waiting.getWaitingConsumers());
818	>
819	>	Thread t = newStartedThread(new CheckedRunnable() {
820	>	void realRun() throws InterruptedException {
821	>	Thread.sleep(SMALL_DELAY_MS);
822	>	threadAssertTrue(q.hasWaitingConsumer());
823	>	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
824	>	threadAssertTrue(q.offer(new Object()));
825	>	}});
826	>
827	>	assertTrue(q.poll(LONG_DELAY_MS, MILLISECONDS) != null);
828	>	assertTrue(q.getWaitingConsumerCount()
829	>	< waiting.getWaitingConsumers());
830	>	t.join();
831		}
832
833		/**
#	Line 869 | Line 843 | public class LinkedTransferQueueTest ext
843		}
844
845		/**
846	<	* transfer attempts to insert into the queue then wait until that
847	<	* object is removed via take or poll.
846	>	* transfer waits until a poll occurs. The transfered element
847	>	* is returned by this associated poll.
848		*/
849		public void testTransfer2() throws InterruptedException {
850	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
850	>	final LinkedTransferQueue<Integer> q
851	>	= new LinkedTransferQueue<Integer>();
852
853	<	new Thread(new Runnable() {
854	<	public void run() {
855	<	try {
856	<	q.transfer(SIZE);
857	<	threadAssertTrue(q.isEmpty());
883	<	} catch (Throwable ex) {
884	<	threadUnexpectedException(ex);
885	<	}
886	<	}}).start();
853	>	Thread t = newStartedThread(new CheckedRunnable() {
854	>	void realRun() throws InterruptedException {
855	>	q.transfer(SIZE);
856	>	threadAssertTrue(q.isEmpty());
857	>	}});
858
859		Thread.sleep(SHORT_DELAY_MS);
860		assertEquals(1, q.size());
861		assertEquals(SIZE, (int) q.poll());
862		assertTrue(q.isEmpty());
863	+	t.join();
864		}
865
866		/**
867	<	* transfer will attempt to transfer in fifo order and continue
896	<	* waiting if the element being transfered is not polled or taken
867	>	* transfer waits until a poll occurs, and then transfers in fifo order
868		*/
869		public void testTransfer3() throws InterruptedException {
870	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
870	>	final LinkedTransferQueue<Integer> q
871	>	= new LinkedTransferQueue<Integer>();
872
873	<	Thread first =
874	<	new Thread(new Runnable() {
875	<	public void run() {
876	<	try {
877	<	Integer i = SIZE + 1;
878	<	q.transfer(i);
879	<	threadAssertTrue(!q.contains(i));
908	<	threadAssertEquals(1, q.size());
909	<	} catch (Throwable ex) {
910	<	threadUnexpectedException(ex);
911	<	}
912	<	}});
913	<	first.start();
873	>	Thread first = newStartedThread(new CheckedRunnable() {
874	>	void realRun() throws InterruptedException {
875	>	Integer i = SIZE + 1;
876	>	q.transfer(i);
877	>	threadAssertTrue(!q.contains(i));
878	>	threadAssertEquals(1, q.size());
879	>	}});
880
881	<	Thread interruptedThread =
882	<	new Thread(new Runnable() {
883	<	public void run() {
884	<	try {
885	<	while (q.size() == 0)
886	<	Thread.yield();
921	<	q.transfer(SIZE);
922	<	threadShouldThrow();
923	<	} catch (InterruptedException success) {
924	<	} catch (Throwable ex) {
925	<	threadUnexpectedException(ex);
926	<	}
881	>	Thread interruptedThread = newStartedThread(
882	>	new CheckedInterruptedRunnable() {
883	>	void realRun() throws InterruptedException {
884	>	while (q.size() == 0)
885	>	Thread.yield();
886	>	q.transfer(SIZE);
887		}});
928	–	interruptedThread.start();
888
889		while (q.size() < 2)
890		Thread.yield();
#	Line 940 | Line 899 | public class LinkedTransferQueueTest ext
899		}
900
901		/**
902	<	* transfer will wait as long as a poll or take occurs if one does occur
903	<	* the waiting is finished and the thread that tries to poll/take
945	<	* wins in retrieving the element
902	>	* transfer waits until a poll occurs, at which point the polling
903	>	* thread returns the element
904		*/
905		public void testTransfer4() throws InterruptedException {
906		final LinkedTransferQueue q = new LinkedTransferQueue();
907	<	new Thread(new Runnable() {
908	<	public void run() {
909	<	try {
910	<	q.transfer(four);
911	<	threadAssertFalse(q.contains(four));
912	<	threadAssertEquals(three, q.poll());
913	<	} catch (Throwable ex) {
914	<	threadUnexpectedException(ex);
915	<	}
958	<	}}).start();
959	<	Thread.sleep(MEDIUM_DELAY_MS);
907	>
908	>	Thread t = newStartedThread(new CheckedRunnable() {
909	>	void realRun() throws InterruptedException {
910	>	q.transfer(four);
911	>	threadAssertFalse(q.contains(four));
912	>	threadAssertEquals(three, q.poll());
913	>	}});
914	>
915	>	Thread.sleep(SHORT_DELAY_MS);
916		assertTrue(q.offer(three));
917		assertEquals(four, q.poll());
918	+	t.join();
919	+	}
920	+
921	+	/**
922	+	* transfer waits until a take occurs. The transfered element
923	+	* is returned by this associated take.
924	+	*/
925	+	public void testTransfer5() throws InterruptedException {
926	+	final LinkedTransferQueue<Integer> q
927	+	= new LinkedTransferQueue<Integer>();
928	+
929	+	Thread t = newStartedThread(new CheckedRunnable() {
930	+	void realRun() throws InterruptedException {
931	+	q.transfer(SIZE);
932	+	threadAssertTrue(q.isEmpty());
933	+	}});
934	+
935	+	Thread.sleep(SHORT_DELAY_MS);
936	+	assertEquals(SIZE, (int) q.take());
937	+	assertTrue(q.isEmpty());
938	+	t.join();
939		}
940
941		/**
#	Line 968 | Line 945 | public class LinkedTransferQueueTest ext
945		try {
946		final LinkedTransferQueue q = new LinkedTransferQueue();
947		q.tryTransfer(null);
948	<	this.shouldThrow();
948	>	shouldThrow();
949		} catch (NullPointerException ex) {
950		}
951		}
#	Line 992 | Line 969 | public class LinkedTransferQueueTest ext
969		public void testTryTransfer3() throws InterruptedException {
970		final Object hotPotato = new Object();
971		final LinkedTransferQueue q = new LinkedTransferQueue();
972	<	new Thread(new Runnable() {
973	<	public void run() {
974	<	try {
975	<	while (! q.hasWaitingConsumer())
976	<	Thread.yield();
977	<	threadAssertTrue(q.hasWaitingConsumer());
978	<	threadAssertTrue(q.isEmpty());
979	<	threadAssertTrue(q.size() == 0);
980	<	threadAssertTrue(q.tryTransfer(hotPotato));
981	<	} catch (Throwable ex) {
982	<	threadUnexpectedException(ex);
983	<	}
1007	<	}}).start();
1008	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) == hotPotato);
972	>
973	>	Thread t = newStartedThread(new CheckedRunnable() {
974	>	void realRun() {
975	>	while (! q.hasWaitingConsumer())
976	>	Thread.yield();
977	>	threadAssertTrue(q.hasWaitingConsumer());
978	>	threadAssertTrue(q.isEmpty());
979	>	threadAssertTrue(q.size() == 0);
980	>	threadAssertTrue(q.tryTransfer(hotPotato));
981	>	}});
982	>
983	>	assertTrue(q.poll(MEDIUM_DELAY_MS, MILLISECONDS) == hotPotato);
984		assertTrue(q.isEmpty());
985	+	t.join();
986		}
987
988		/**
#	Line 1016 | Line 992 | public class LinkedTransferQueueTest ext
992		public void testTryTransfer4() throws InterruptedException {
993		final Object hotPotato = new Object();
994		final LinkedTransferQueue q = new LinkedTransferQueue();
995	<	new Thread(new Runnable() {
996	<	public void run() {
997	<	try {
998	<	while (! q.hasWaitingConsumer())
999	<	Thread.yield();
1000	<	threadAssertTrue(q.hasWaitingConsumer());
1001	<	threadAssertTrue(q.isEmpty());
1002	<	threadAssertTrue(q.size() == 0);
1003	<	threadAssertTrue(q.tryTransfer(hotPotato));
1004	<	} catch (Throwable ex) {
1005	<	threadUnexpectedException(ex);
1030	<	}
1031	<	}}).start();
995	>
996	>	Thread t = newStartedThread(new CheckedRunnable() {
997	>	void realRun() {
998	>	while (! q.hasWaitingConsumer())
999	>	Thread.yield();
1000	>	threadAssertTrue(q.hasWaitingConsumer());
1001	>	threadAssertTrue(q.isEmpty());
1002	>	threadAssertTrue(q.size() == 0);
1003	>	threadAssertTrue(q.tryTransfer(hotPotato));
1004	>	}});
1005	>
1006		assertTrue(q.take() == hotPotato);
1007		assertTrue(q.isEmpty());
1008	+	t.join();
1009		}
1010
1011		/**
1012	<	* tryTransfer waits the amount given if interrupted, show an
1013	<	* interrupted exception
1012	>	* tryTransfer waits the amount given if interrupted, and
1013	>	* throws interrupted exception
1014		*/
1015		public void testTryTransfer5() throws InterruptedException {
1016		final LinkedTransferQueue q = new LinkedTransferQueue();
1017	<	Thread toInterrupt = new Thread(new Runnable() {
1018	<	public void run() {
1019	<	try {
1020	<	q.tryTransfer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
1046	<	threadShouldThrow();
1047	<	} catch (InterruptedException success) {
1048	<	} catch (Throwable ex) {
1049	<	threadUnexpectedException(ex);
1050	<	}
1017	>
1018	>	Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1019	>	void realRun() throws InterruptedException {
1020	>	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1021		}});
1022	<	toInterrupt.start();
1022	>
1023		Thread.sleep(SMALL_DELAY_MS);
1024		toInterrupt.interrupt();
1025	+	toInterrupt.join();
1026		}
1027
1028		/**
#	Line 1059 | Line 1030 | public class LinkedTransferQueueTest ext
1030		*/
1031		public void testTryTransfer6() throws InterruptedException {
1032		final LinkedTransferQueue q = new LinkedTransferQueue();
1033	<	new Thread(new Runnable() {
1034	<	public void run() {
1035	<	try {
1036	<	threadAssertFalse(q.tryTransfer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1037	<	} catch (Throwable ex) {
1038	<	threadUnexpectedException(ex);
1039	<	}
1040	<	}}).start();
1041	<	Thread.sleep(LONG_DELAY_MS);
1033	>
1034	>	Thread t = newStartedThread(new CheckedRunnable() {
1035	>	void realRun() throws InterruptedException {
1036	>	threadAssertFalse
1037	>	(q.tryTransfer(new Object(),
1038	>	SHORT_DELAY_MS, MILLISECONDS));
1039	>	}});
1040	>
1041	>	Thread.sleep(SMALL_DELAY_MS);
1042		assertTrue(q.isEmpty());
1043	+	t.join();
1044		}
1045
1046		/**
#	Line 1078 | Line 1050 | public class LinkedTransferQueueTest ext
1050		public void testTryTransfer7() throws InterruptedException {
1051		final LinkedTransferQueue q = new LinkedTransferQueue();
1052		assertTrue(q.offer(four));
1053	<	new Thread(new Runnable() {
1054	<	public void run() {
1055	<	try {
1056	<	threadAssertTrue(q.tryTransfer(five, LONG_DELAY_MS, TimeUnit.MILLISECONDS));
1057	<	threadAssertTrue(q.isEmpty());
1058	<	} catch (Throwable ex) {
1059	<	threadUnexpectedException(ex);
1060	<	}
1089	<	}}).start();
1053	>
1054	>	Thread t = newStartedThread(new CheckedRunnable() {
1055	>	void realRun() throws InterruptedException {
1056	>	threadAssertTrue(q.tryTransfer(five,
1057	>	MEDIUM_DELAY_MS, MILLISECONDS));
1058	>	threadAssertTrue(q.isEmpty());
1059	>	}});
1060	>
1061		Thread.sleep(SHORT_DELAY_MS);
1062		assertEquals(2, q.size());
1063		assertEquals(four, q.poll());
1064		assertEquals(five, q.poll());
1065		assertTrue(q.isEmpty());
1066	+	t.join();
1067		}
1068
1069		/**
#	Line 1102 | Line 1074 | public class LinkedTransferQueueTest ext
1074		final LinkedTransferQueue q = new LinkedTransferQueue();
1075		assertTrue(q.offer(four));
1076		assertEquals(1, q.size());
1077	<	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1077	>	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1078		assertEquals(1, q.size());
1079		assertEquals(four, q.poll());
1080		threadAssertTrue(q.isEmpty());

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