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Comparing jsr166/src/test/tck/LinkedBlockingDequeTest.java (file contents):
Revision 1.36 by jsr166, Thu Apr 14 22:55:08 2011 UTC vs.
Revision 1.51 by jsr166, Wed Dec 31 19:05:42 2014 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	–	import junit.framework.*;
8	–	import java.util.*;
9	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.io.*;
8	>
9	>	import java.util.ArrayList;
10	>	import java.util.Arrays;
11	>	import java.util.Collection;
12	>	import java.util.Deque;
13	>	import java.util.Iterator;
14	>	import java.util.NoSuchElementException;
15	>	import java.util.Queue;
16	>	import java.util.concurrent.BlockingDeque;
17	>	import java.util.concurrent.BlockingQueue;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.LinkedBlockingDeque;
22	>
23	>	import junit.framework.Test;
24
25		public class LinkedBlockingDequeTest extends JSR166TestCase {
26
#	Line 20 | Line 32 | public class LinkedBlockingDequeTest ext
32
33		public static class Bounded extends BlockingQueueTest {
34		protected BlockingQueue emptyCollection() {
35	<	return new LinkedBlockingDeque(20);
35	>	return new LinkedBlockingDeque(SIZE);
36		}
37		}
38
#	Line 35 | Line 47 | public class LinkedBlockingDequeTest ext
47		}
48
49		/**
50	<	* Create a deque of given size containing consecutive
50	>	* Returns a new deque of given size containing consecutive
51		* Integers 0 ... n.
52		*/
53		private LinkedBlockingDeque<Integer> populatedDeque(int n) {
#	Line 80 | Line 92 | public class LinkedBlockingDequeTest ext
92		}
93
94		/**
95	<	* offer(null) throws NPE
95	>	* offerFirst(null) throws NullPointerException
96		*/
97		public void testOfferFirstNull() {
98	+	LinkedBlockingDeque q = new LinkedBlockingDeque();
99		try {
87	–	LinkedBlockingDeque q = new LinkedBlockingDeque();
100		q.offerFirst(null);
101		shouldThrow();
102		} catch (NullPointerException success) {}
103		}
104
105		/**
106	+	* offerLast(null) throws NullPointerException
107	+	*/
108	+	public void testOfferLastNull() {
109	+	LinkedBlockingDeque q = new LinkedBlockingDeque();
110	+	try {
111	+	q.offerLast(null);
112	+	shouldThrow();
113	+	} catch (NullPointerException success) {}
114	+	}
115	+
116	+	/**
117		* OfferFirst succeeds
118		*/
119		public void testOfferFirst() {
#	Line 298 | Line 321 | public class LinkedBlockingDequeTest ext
321		assertSame(four, q.peekLast());
322		}
323
301	–
324		/**
325		* A new deque has the indicated capacity, or Integer.MAX_VALUE if
326		* none given
#	Line 309 | Line 331 | public class LinkedBlockingDequeTest ext
331		}
332
333		/**
334	<	* Constructor throws IAE if capacity argument nonpositive
334	>	* Constructor throws IllegalArgumentException if capacity argument nonpositive
335		*/
336		public void testConstructor2() {
337		try {
338	<	LinkedBlockingDeque q = new LinkedBlockingDeque(0);
338	>	new LinkedBlockingDeque(0);
339		shouldThrow();
340		} catch (IllegalArgumentException success) {}
341		}
342
343		/**
344	<	* Initializing from null Collection throws NPE
344	>	* Initializing from null Collection throws NullPointerException
345		*/
346		public void testConstructor3() {
347		try {
348	<	LinkedBlockingDeque q = new LinkedBlockingDeque(null);
348	>	new LinkedBlockingDeque(null);
349		shouldThrow();
350		} catch (NullPointerException success) {}
351		}
352
353		/**
354	<	* Initializing from Collection of null elements throws NPE
354	>	* Initializing from Collection of null elements throws NullPointerException
355		*/
356		public void testConstructor4() {
357	+	Collection<Integer> elements = Arrays.asList(new Integer[SIZE]);
358		try {
359	<	Integer[] ints = new Integer[SIZE];
337	<	LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
359	>	new LinkedBlockingDeque(elements);
360		shouldThrow();
361		} catch (NullPointerException success) {}
362		}
363
364		/**
365	<	* Initializing from Collection with some null elements throws NPE
365	>	* Initializing from Collection with some null elements throws
366	>	* NullPointerException
367		*/
368		public void testConstructor5() {
369	+	Integer[] ints = new Integer[SIZE];
370	+	for (int i = 0; i < SIZE-1; ++i)
371	+	ints[i] = i;
372	+	Collection<Integer> elements = Arrays.asList(ints);
373		try {
374	<	Integer[] ints = new Integer[SIZE];
348	<	for (int i = 0; i < SIZE-1; ++i)
349	<	ints[i] = new Integer(i);
350	<	LinkedBlockingDeque q = new LinkedBlockingDeque(Arrays.asList(ints));
374	>	new LinkedBlockingDeque(elements);
375		shouldThrow();
376		} catch (NullPointerException success) {}
377		}
#	Line 358 | Line 382 | public class LinkedBlockingDequeTest ext
382		public void testConstructor6() {
383		Integer[] ints = new Integer[SIZE];
384		for (int i = 0; i < SIZE; ++i)
385	<	ints[i] = new Integer(i);
385	>	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());
#	Line 397 | Line 421 | public class LinkedBlockingDequeTest ext
421		}
422
423		/**
400	–	* offer(null) throws NPE
401	–	*/
402	–	public void testOfferNull() {
403	–	try {
404	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
405	–	q.offer(null);
406	–	shouldThrow();
407	–	} catch (NullPointerException success) {}
408	–	}
409	–
410	–	/**
411	–	* add(null) throws NPE
412	–	*/
413	–	public void testAddNull() {
414	–	try {
415	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
416	–	q.add(null);
417	–	shouldThrow();
418	–	} catch (NullPointerException success) {}
419	–	}
420	–
421	–	/**
424		* push(null) throws NPE
425		*/
426		public void testPushNull() {
#	Line 456 | Line 458 | public class LinkedBlockingDequeTest ext
458		assertSame(four, q.peekFirst());
459		}
460
459	–
461		/**
462		* pop removes next element, or throws NSEE if empty
463		*/
#	Line 471 | Line 472 | public class LinkedBlockingDequeTest ext
472		} catch (NoSuchElementException success) {}
473		}
474
474	–
475		/**
476		* Offer succeeds if not full; fails if full
477		*/
#	Line 485 | Line 485 | public class LinkedBlockingDequeTest ext
485		* add succeeds if not full; throws ISE if full
486		*/
487		public void testAdd() {
488	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
489	+	for (int i = 0; i < SIZE; ++i)
490	+	assertTrue(q.add(new Integer(i)));
491	+	assertEquals(0, q.remainingCapacity());
492		try {
489	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
490	–	for (int i = 0; i < SIZE; ++i) {
491	–	assertTrue(q.add(new Integer(i)));
492	–	}
493	–	assertEquals(0, q.remainingCapacity());
493		q.add(new Integer(SIZE));
494		shouldThrow();
495		} catch (IllegalStateException success) {}
496		}
497
498		/**
500	–	* addAll(null) throws NPE
501	–	*/
502	–	public void testAddAll1() {
503	–	try {
504	–	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
505	–	q.addAll(null);
506	–	shouldThrow();
507	–	} catch (NullPointerException success) {}
508	–	}
509	–
510	–	/**
499		* addAll(this) throws IAE
500		*/
501		public void testAddAllSelf() {
502	+	LinkedBlockingDeque q = populatedDeque(SIZE);
503		try {
515	–	LinkedBlockingDeque q = populatedDeque(SIZE);
504		q.addAll(q);
505		shouldThrow();
506		} catch (IllegalArgumentException success) {}
507		}
508
509		/**
522	–	* addAll of a collection with null elements throws NPE
523	–	*/
524	–	public void testAddAll2() {
525	–	try {
526	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
527	–	Integer[] ints = new Integer[SIZE];
528	–	q.addAll(Arrays.asList(ints));
529	–	shouldThrow();
530	–	} catch (NullPointerException success) {}
531	–	}
532	–
533	–	/**
510		* addAll of a collection with any null elements throws NPE after
511		* possibly adding some elements
512		*/
513		public void testAddAll3() {
514	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
515	+	Integer[] ints = new Integer[SIZE];
516	+	for (int i = 0; i < SIZE-1; ++i)
517	+	ints[i] = new Integer(i);
518	+	Collection<Integer> elements = Arrays.asList(ints);
519		try {
520	<	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
540	<	Integer[] ints = new Integer[SIZE];
541	<	for (int i = 0; i < SIZE-1; ++i)
542	<	ints[i] = new Integer(i);
543	<	q.addAll(Arrays.asList(ints));
520	>	q.addAll(elements);
521		shouldThrow();
522		} catch (NullPointerException success) {}
523		}
524
525		/**
526	<	* addAll throws ISE if not enough room
526	>	* addAll throws IllegalStateException if not enough room
527		*/
528		public void testAddAll4() {
529	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE - 1);
530	+	Integer[] ints = new Integer[SIZE];
531	+	for (int i = 0; i < SIZE; ++i)
532	+	ints[i] = new Integer(i);
533	+	Collection<Integer> elements = Arrays.asList(ints);
534		try {
535	<	LinkedBlockingDeque q = new LinkedBlockingDeque(1);
554	<	Integer[] ints = new Integer[SIZE];
555	<	for (int i = 0; i < SIZE; ++i)
556	<	ints[i] = new Integer(i);
557	<	q.addAll(Arrays.asList(ints));
535	>	q.addAll(elements);
536		shouldThrow();
537		} catch (IllegalStateException success) {}
538		}
#	Line 574 | Line 552 | public class LinkedBlockingDequeTest ext
552		assertEquals(ints[i], q.poll());
553		}
554
577	–
578	–	/**
579	–	* put(null) throws NPE
580	–	*/
581	–	public void testPutNull() throws InterruptedException {
582	–	try {
583	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
584	–	q.put(null);
585	–	shouldThrow();
586	–	} catch (NullPointerException success) {}
587	–	}
588	–
555		/**
556		* all elements successfully put are contained
557		*/
#	Line 604 | Line 570 | public class LinkedBlockingDequeTest ext
570		*/
571		public void testBlockingPut() throws InterruptedException {
572		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
573	<	Thread t = new Thread(new CheckedRunnable() {
573	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
574	>	Thread t = newStartedThread(new CheckedRunnable() {
575		public void realRun() throws InterruptedException {
576		for (int i = 0; i < SIZE; ++i)
577		q.put(i);
578		assertEquals(SIZE, q.size());
579		assertEquals(0, q.remainingCapacity());
580	+
581	+	Thread.currentThread().interrupt();
582		try {
583		q.put(99);
584		shouldThrow();
585		} catch (InterruptedException success) {}
586	+	assertFalse(Thread.interrupted());
587	+
588	+	pleaseInterrupt.countDown();
589	+	try {
590	+	q.put(99);
591	+	shouldThrow();
592	+	} catch (InterruptedException success) {}
593	+	assertFalse(Thread.interrupted());
594		}});
595
596	<	t.start();
597	<	Thread.sleep(SHORT_DELAY_MS);
596	>	await(pleaseInterrupt);
597	>	assertThreadStaysAlive(t);
598		t.interrupt();
599	<	t.join();
599	>	awaitTermination(t);
600		assertEquals(SIZE, q.size());
601		assertEquals(0, q.remainingCapacity());
602		}
603
604		/**
605	<	* put blocks waiting for take when full
605	>	* put blocks interruptibly waiting for take when full
606		*/
607		public void testPutWithTake() throws InterruptedException {
608		final int capacity = 2;
609		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
610	<	Thread t = new Thread(new CheckedRunnable() {
610	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
611	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
612	>	Thread t = newStartedThread(new CheckedRunnable() {
613		public void realRun() throws InterruptedException {
614	<	for (int i = 0; i < capacity + 1; i++)
614	>	for (int i = 0; i < capacity; i++)
615		q.put(i);
616	+	pleaseTake.countDown();
617	+	q.put(86);
618	+
619	+	pleaseInterrupt.countDown();
620		try {
621		q.put(99);
622		shouldThrow();
623		} catch (InterruptedException success) {}
624	+	assertFalse(Thread.interrupted());
625		}});
626
627	<	t.start();
628	<	Thread.sleep(SHORT_DELAY_MS);
645	<	assertEquals(q.remainingCapacity(), 0);
627	>	await(pleaseTake);
628	>	assertEquals(0, q.remainingCapacity());
629		assertEquals(0, q.take());
630	<	Thread.sleep(SHORT_DELAY_MS);
630	>
631	>	await(pleaseInterrupt);
632	>	assertThreadStaysAlive(t);
633		t.interrupt();
634	<	t.join();
635	<	assertEquals(q.remainingCapacity(), 0);
634	>	awaitTermination(t);
635	>	assertEquals(0, q.remainingCapacity());
636		}
637
638		/**
#	Line 655 | Line 640 | public class LinkedBlockingDequeTest ext
640		*/
641		public void testTimedOffer() throws InterruptedException {
642		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
643	<	Thread t = new Thread(new CheckedRunnable() {
643	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
644	>	Thread t = newStartedThread(new CheckedRunnable() {
645		public void realRun() throws InterruptedException {
646		q.put(new Object());
647		q.put(new Object());
648	<	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
648	>	long startTime = System.nanoTime();
649	>	assertFalse(q.offer(new Object(), timeoutMillis(), MILLISECONDS));
650	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
651	>	pleaseInterrupt.countDown();
652		try {
653	<	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
653	>	q.offer(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
654		shouldThrow();
655		} catch (InterruptedException success) {}
656		}});
657
658	<	t.start();
659	<	Thread.sleep(SMALL_DELAY_MS);
658	>	await(pleaseInterrupt);
659	>	assertThreadStaysAlive(t);
660		t.interrupt();
661	<	t.join();
661	>	awaitTermination(t);
662		}
663
664		/**
#	Line 683 | Line 672 | public class LinkedBlockingDequeTest ext
672		}
673
674		/**
675	<	* Take removes existing elements until empty, then blocks interruptibly
675	>	* take removes existing elements until empty, then blocks interruptibly
676		*/
677		public void testBlockingTake() throws InterruptedException {
678		final LinkedBlockingDeque q = populatedDeque(SIZE);
679	<	Thread t = new Thread(new CheckedRunnable() {
679	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
680	>	Thread t = newStartedThread(new CheckedRunnable() {
681		public void realRun() throws InterruptedException {
682		for (int i = 0; i < SIZE; ++i) {
683		assertEquals(i, q.take());
684		}
685	+
686	+	Thread.currentThread().interrupt();
687		try {
688		q.take();
689		shouldThrow();
690		} catch (InterruptedException success) {}
691	+	assertFalse(Thread.interrupted());
692	+
693	+	pleaseInterrupt.countDown();
694	+	try {
695	+	q.take();
696	+	shouldThrow();
697	+	} catch (InterruptedException success) {}
698	+	assertFalse(Thread.interrupted());
699		}});
700
701	<	t.start();
702	<	Thread.sleep(SHORT_DELAY_MS);
701	>	await(pleaseInterrupt);
702	>	assertThreadStaysAlive(t);
703		t.interrupt();
704	<	t.join();
704	>	awaitTermination(t);
705		}
706
707	–
707		/**
708		* poll succeeds unless empty
709		*/
#	Line 733 | Line 732 | public class LinkedBlockingDequeTest ext
732		public void testTimedPoll() throws InterruptedException {
733		LinkedBlockingDeque q = populatedDeque(SIZE);
734		for (int i = 0; i < SIZE; ++i) {
735	<	assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS));
736	<	}
737	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
735	>	long startTime = System.nanoTime();
736	>	assertEquals(i, q.poll(LONG_DELAY_MS, MILLISECONDS));
737	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
738	>	}
739	>	long startTime = System.nanoTime();
740	>	assertNull(q.poll(timeoutMillis(), MILLISECONDS));
741	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
742	>	checkEmpty(q);
743		}
744
745		/**
#	Line 773 | Line 777 | public class LinkedBlockingDequeTest ext
777		* putFirst(null) throws NPE
778		*/
779		public void testPutFirstNull() throws InterruptedException {
780	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
781		try {
777	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
782		q.putFirst(null);
783		shouldThrow();
784		} catch (NullPointerException success) {}
#	Line 798 | Line 802 | public class LinkedBlockingDequeTest ext
802		*/
803		public void testBlockingPutFirst() throws InterruptedException {
804		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
805	<	Thread t = new Thread(new CheckedRunnable() {
805	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
806	>	Thread t = newStartedThread(new CheckedRunnable() {
807		public void realRun() throws InterruptedException {
808		for (int i = 0; i < SIZE; ++i)
809		q.putFirst(i);
810		assertEquals(SIZE, q.size());
811		assertEquals(0, q.remainingCapacity());
812	+
813	+	Thread.currentThread().interrupt();
814		try {
815		q.putFirst(99);
816		shouldThrow();
817		} catch (InterruptedException success) {}
818	+	assertFalse(Thread.interrupted());
819	+
820	+	pleaseInterrupt.countDown();
821	+	try {
822	+	q.putFirst(99);
823	+	shouldThrow();
824	+	} catch (InterruptedException success) {}
825	+	assertFalse(Thread.interrupted());
826		}});
827
828	<	t.start();
829	<	Thread.sleep(SHORT_DELAY_MS);
828	>	await(pleaseInterrupt);
829	>	assertThreadStaysAlive(t);
830		t.interrupt();
831	<	t.join();
831	>	awaitTermination(t);
832		assertEquals(SIZE, q.size());
833		assertEquals(0, q.remainingCapacity());
834		}
835
836		/**
837	<	* putFirst blocks waiting for take when full
837	>	* putFirst blocks interruptibly waiting for take when full
838		*/
839		public void testPutFirstWithTake() throws InterruptedException {
840		final int capacity = 2;
841		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
842	<	Thread t = new Thread(new CheckedRunnable() {
842	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
843	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
844	>	Thread t = newStartedThread(new CheckedRunnable() {
845		public void realRun() throws InterruptedException {
846	<	for (int i = 0; i < capacity + 1; i++)
846	>	for (int i = 0; i < capacity; i++)
847		q.putFirst(i);
848	+	pleaseTake.countDown();
849	+	q.putFirst(86);
850	+
851	+	pleaseInterrupt.countDown();
852		try {
853		q.putFirst(99);
854		shouldThrow();
855		} catch (InterruptedException success) {}
856	+	assertFalse(Thread.interrupted());
857		}});
858
859	<	t.start();
860	<	Thread.sleep(SHORT_DELAY_MS);
839	<	assertEquals(q.remainingCapacity(), 0);
859	>	await(pleaseTake);
860	>	assertEquals(0, q.remainingCapacity());
861		assertEquals(capacity - 1, q.take());
862	<	Thread.sleep(SHORT_DELAY_MS);
862	>
863	>	await(pleaseInterrupt);
864	>	assertThreadStaysAlive(t);
865		t.interrupt();
866	<	t.join();
867	<	assertEquals(q.remainingCapacity(), 0);
866	>	awaitTermination(t);
867	>	assertEquals(0, q.remainingCapacity());
868		}
869
870		/**
#	Line 849 | Line 872 | public class LinkedBlockingDequeTest ext
872		*/
873		public void testTimedOfferFirst() throws InterruptedException {
874		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
875	<	Thread t = new Thread(new CheckedRunnable() {
875	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
876	>	Thread t = newStartedThread(new CheckedRunnable() {
877		public void realRun() throws InterruptedException {
878		q.putFirst(new Object());
879		q.putFirst(new Object());
880	<	assertFalse(q.offerFirst(new Object(), SHORT_DELAY_MS, MILLISECONDS));
880	>	long startTime = System.nanoTime();
881	>	assertFalse(q.offerFirst(new Object(), timeoutMillis(), MILLISECONDS));
882	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
883	>	pleaseInterrupt.countDown();
884		try {
885	<	q.offerFirst(new Object(), LONG_DELAY_MS, MILLISECONDS);
885	>	q.offerFirst(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
886		shouldThrow();
887		} catch (InterruptedException success) {}
888		}});
889
890	<	t.start();
891	<	Thread.sleep(SMALL_DELAY_MS);
890	>	await(pleaseInterrupt);
891	>	assertThreadStaysAlive(t);
892		t.interrupt();
893	<	t.join();
893	>	awaitTermination(t);
894		}
895
896		/**
#	Line 877 | Line 904 | public class LinkedBlockingDequeTest ext
904		}
905
906		/**
907	<	* takeFirst blocks interruptibly when empty
907	>	* takeFirst() blocks interruptibly when empty
908		*/
909	<	public void testTakeFirstFromEmpty() throws InterruptedException {
910	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
911	<	Thread t = new ThreadShouldThrow(InterruptedException.class) {
912	<	public void realRun() throws InterruptedException {
913	<	q.takeFirst();
914	<	}};
909	>	public void testTakeFirstFromEmptyBlocksInterruptibly() {
910	>	final BlockingDeque q = new LinkedBlockingDeque();
911	>	final CountDownLatch threadStarted = new CountDownLatch(1);
912	>	Thread t = newStartedThread(new CheckedRunnable() {
913	>	public void realRun() {
914	>	threadStarted.countDown();
915	>	try {
916	>	q.takeFirst();
917	>	shouldThrow();
918	>	} catch (InterruptedException success) {}
919	>	assertFalse(Thread.interrupted());
920	>	}});
921
922	<	t.start();
923	<	Thread.sleep(SHORT_DELAY_MS);
922	>	await(threadStarted);
923	>	assertThreadStaysAlive(t);
924		t.interrupt();
925	<	t.join();
925	>	awaitTermination(t);
926	>	}
927	>
928	>	/**
929	>	* takeFirst() throws InterruptedException immediately if interrupted
930	>	* before waiting
931	>	*/
932	>	public void testTakeFirstFromEmptyAfterInterrupt() {
933	>	final BlockingDeque q = new LinkedBlockingDeque();
934	>	Thread t = newStartedThread(new CheckedRunnable() {
935	>	public void realRun() {
936	>	Thread.currentThread().interrupt();
937	>	try {
938	>	q.takeFirst();
939	>	shouldThrow();
940	>	} catch (InterruptedException success) {}
941	>	assertFalse(Thread.interrupted());
942	>	}});
943	>
944	>	awaitTermination(t);
945	>	}
946	>
947	>	/**
948	>	* takeLast() blocks interruptibly when empty
949	>	*/
950	>	public void testTakeLastFromEmptyBlocksInterruptibly() {
951	>	final BlockingDeque q = new LinkedBlockingDeque();
952	>	final CountDownLatch threadStarted = new CountDownLatch(1);
953	>	Thread t = newStartedThread(new CheckedRunnable() {
954	>	public void realRun() {
955	>	threadStarted.countDown();
956	>	try {
957	>	q.takeLast();
958	>	shouldThrow();
959	>	} catch (InterruptedException success) {}
960	>	assertFalse(Thread.interrupted());
961	>	}});
962	>
963	>	await(threadStarted);
964	>	assertThreadStaysAlive(t);
965	>	t.interrupt();
966	>	awaitTermination(t);
967	>	}
968	>
969	>	/**
970	>	* takeLast() throws InterruptedException immediately if interrupted
971	>	* before waiting
972	>	*/
973	>	public void testTakeLastFromEmptyAfterInterrupt() {
974	>	final BlockingDeque q = new LinkedBlockingDeque();
975	>	Thread t = newStartedThread(new CheckedRunnable() {
976	>	public void realRun() {
977	>	Thread.currentThread().interrupt();
978	>	try {
979	>	q.takeLast();
980	>	shouldThrow();
981	>	} catch (InterruptedException success) {}
982	>	assertFalse(Thread.interrupted());
983	>	}});
984	>
985	>	awaitTermination(t);
986		}
987
988		/**
989	<	* TakeFirst removes existing elements until empty, then blocks interruptibly
989	>	* takeFirst removes existing elements until empty, then blocks interruptibly
990		*/
991		public void testBlockingTakeFirst() throws InterruptedException {
992		final LinkedBlockingDeque q = populatedDeque(SIZE);
993	<	Thread t = new Thread(new CheckedRunnable() {
993	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
994	>	Thread t = newStartedThread(new CheckedRunnable() {
995		public void realRun() throws InterruptedException {
996	<	for (int i = 0; i < SIZE; ++i)
996	>	for (int i = 0; i < SIZE; ++i) {
997		assertEquals(i, q.takeFirst());
998	+	}
999	+
1000	+	Thread.currentThread().interrupt();
1001	+	try {
1002	+	q.takeFirst();
1003	+	shouldThrow();
1004	+	} catch (InterruptedException success) {}
1005	+	assertFalse(Thread.interrupted());
1006	+
1007	+	pleaseInterrupt.countDown();
1008		try {
1009		q.takeFirst();
1010		shouldThrow();
1011		} catch (InterruptedException success) {}
1012	+	assertFalse(Thread.interrupted());
1013		}});
1014
1015	<	t.start();
1016	<	Thread.sleep(SHORT_DELAY_MS);
1015	>	await(pleaseInterrupt);
1016	>	assertThreadStaysAlive(t);
1017		t.interrupt();
1018	<	t.join();
1018	>	awaitTermination(t);
1019		}
1020
916	–
1021		/**
1022		* timed pollFirst with zero timeout succeeds when non-empty, else times out
1023		*/
#	Line 931 | Line 1035 | public class LinkedBlockingDequeTest ext
1035		public void testTimedPollFirst() throws InterruptedException {
1036		LinkedBlockingDeque q = populatedDeque(SIZE);
1037		for (int i = 0; i < SIZE; ++i) {
1038	<	assertEquals(i, q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1039	<	}
1040	<	assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1038	>	long startTime = System.nanoTime();
1039	>	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1040	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1041	>	}
1042	>	long startTime = System.nanoTime();
1043	>	assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS));
1044	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1045	>	checkEmpty(q);
1046		}
1047
1048		/**
#	Line 941 | Line 1050 | public class LinkedBlockingDequeTest ext
1050		* returning timeout status
1051		*/
1052		public void testInterruptedTimedPollFirst() throws InterruptedException {
1053	<	Thread t = new Thread(new CheckedRunnable() {
1053	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1054	>	Thread t = newStartedThread(new CheckedRunnable() {
1055		public void realRun() throws InterruptedException {
1056		LinkedBlockingDeque q = populatedDeque(SIZE);
1057		for (int i = 0; i < SIZE; ++i) {
1058	<	assertEquals(i, q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1058	>	assertEquals(i, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1059		}
1060	+
1061	+	Thread.currentThread().interrupt();
1062		try {
1063		q.pollFirst(SMALL_DELAY_MS, MILLISECONDS);
1064		shouldThrow();
1065		} catch (InterruptedException success) {}
1066	+	assertFalse(Thread.interrupted());
1067	+
1068	+	pleaseInterrupt.countDown();
1069	+	try {
1070	+	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1071	+	shouldThrow();
1072	+	} catch (InterruptedException success) {}
1073	+	assertFalse(Thread.interrupted());
1074		}});
1075
1076	<	t.start();
1077	<	Thread.sleep(SHORT_DELAY_MS);
1076	>	await(pleaseInterrupt);
1077	>	assertThreadStaysAlive(t);
1078		t.interrupt();
1079	<	t.join();
1079	>	awaitTermination(t);
1080		}
1081
1082		/**
#	Line 965 | Line 1085 | public class LinkedBlockingDequeTest ext
1085		*/
1086		public void testTimedPollFirstWithOfferFirst() throws InterruptedException {
1087		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1088	<	Thread t = new Thread(new CheckedRunnable() {
1088	>	final CheckedBarrier barrier = new CheckedBarrier(2);
1089	>	Thread t = newStartedThread(new CheckedRunnable() {
1090		public void realRun() throws InterruptedException {
1091	<	assertNull(q.pollFirst(SHORT_DELAY_MS, MILLISECONDS));
1091	>	long startTime = System.nanoTime();
1092	>	assertNull(q.pollFirst(timeoutMillis(), MILLISECONDS));
1093	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1094	>
1095	>	barrier.await();
1096	>
1097		assertSame(zero, q.pollFirst(LONG_DELAY_MS, MILLISECONDS));
1098	+
1099	+	Thread.currentThread().interrupt();
1100	+	try {
1101	+	q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1102	+	shouldThrow();
1103	+	} catch (InterruptedException success) {}
1104	+
1105	+	barrier.await();
1106		try {
1107		q.pollFirst(LONG_DELAY_MS, MILLISECONDS);
1108		shouldThrow();
1109		} catch (InterruptedException success) {}
1110	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1111		}});
1112
1113	<	t.start();
1114	<	Thread.sleep(SMALL_DELAY_MS);
1115	<	assertTrue(q.offerFirst(zero, SHORT_DELAY_MS, MILLISECONDS));
1113	>	barrier.await();
1114	>	long startTime = System.nanoTime();
1115	>	assertTrue(q.offerFirst(zero, LONG_DELAY_MS, MILLISECONDS));
1116	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1117	>	barrier.await();
1118	>	assertThreadStaysAlive(t);
1119		t.interrupt();
1120	<	t.join();
1120	>	awaitTermination(t);
1121		}
1122
1123		/**
1124		* putLast(null) throws NPE
1125		*/
1126		public void testPutLastNull() throws InterruptedException {
1127	+	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1128		try {
990	–	LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1129		q.putLast(null);
1130		shouldThrow();
1131		} catch (NullPointerException success) {}
#	Line 1011 | Line 1149 | public class LinkedBlockingDequeTest ext
1149		*/
1150		public void testBlockingPutLast() throws InterruptedException {
1151		final LinkedBlockingDeque q = new LinkedBlockingDeque(SIZE);
1152	<	Thread t = new Thread(new CheckedRunnable() {
1152	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1153	>	Thread t = newStartedThread(new CheckedRunnable() {
1154		public void realRun() throws InterruptedException {
1155		for (int i = 0; i < SIZE; ++i)
1156		q.putLast(i);
1157		assertEquals(SIZE, q.size());
1158		assertEquals(0, q.remainingCapacity());
1159	+
1160	+	Thread.currentThread().interrupt();
1161		try {
1162		q.putLast(99);
1163		shouldThrow();
1164		} catch (InterruptedException success) {}
1165	+	assertFalse(Thread.interrupted());
1166	+
1167	+	pleaseInterrupt.countDown();
1168	+	try {
1169	+	q.putLast(99);
1170	+	shouldThrow();
1171	+	} catch (InterruptedException success) {}
1172	+	assertFalse(Thread.interrupted());
1173		}});
1174
1175	<	t.start();
1176	<	Thread.sleep(SHORT_DELAY_MS);
1175	>	await(pleaseInterrupt);
1176	>	assertThreadStaysAlive(t);
1177		t.interrupt();
1178	<	t.join();
1178	>	awaitTermination(t);
1179		assertEquals(SIZE, q.size());
1180		assertEquals(0, q.remainingCapacity());
1181		}
1182
1183		/**
1184	<	* putLast blocks waiting for take when full
1184	>	* putLast blocks interruptibly waiting for take when full
1185		*/
1186		public void testPutLastWithTake() throws InterruptedException {
1187		final int capacity = 2;
1188		final LinkedBlockingDeque q = new LinkedBlockingDeque(capacity);
1189	<	Thread t = new Thread(new CheckedRunnable() {
1189	>	final CountDownLatch pleaseTake = new CountDownLatch(1);
1190	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1191	>	Thread t = newStartedThread(new CheckedRunnable() {
1192		public void realRun() throws InterruptedException {
1193	<	for (int i = 0; i < capacity + 1; i++)
1193	>	for (int i = 0; i < capacity; i++)
1194		q.putLast(i);
1195	+	pleaseTake.countDown();
1196	+	q.putLast(86);
1197	+
1198	+	pleaseInterrupt.countDown();
1199		try {
1200		q.putLast(99);
1201		shouldThrow();
1202		} catch (InterruptedException success) {}
1203	+	assertFalse(Thread.interrupted());
1204		}});
1205
1206	<	t.start();
1207	<	Thread.sleep(SHORT_DELAY_MS);
1052	<	assertEquals(q.remainingCapacity(), 0);
1206	>	await(pleaseTake);
1207	>	assertEquals(0, q.remainingCapacity());
1208		assertEquals(0, q.take());
1209	<	Thread.sleep(SHORT_DELAY_MS);
1209	>
1210	>	await(pleaseInterrupt);
1211	>	assertThreadStaysAlive(t);
1212		t.interrupt();
1213	<	t.join();
1214	<	assertEquals(q.remainingCapacity(), 0);
1213	>	awaitTermination(t);
1214	>	assertEquals(0, q.remainingCapacity());
1215		}
1216
1217		/**
#	Line 1062 | Line 1219 | public class LinkedBlockingDequeTest ext
1219		*/
1220		public void testTimedOfferLast() throws InterruptedException {
1221		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1222	<	Thread t = new Thread(new CheckedRunnable() {
1222	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1223	>	Thread t = newStartedThread(new CheckedRunnable() {
1224		public void realRun() throws InterruptedException {
1225		q.putLast(new Object());
1226		q.putLast(new Object());
1227	<	assertFalse(q.offerLast(new Object(), SHORT_DELAY_MS, MILLISECONDS));
1227	>	long startTime = System.nanoTime();
1228	>	assertFalse(q.offerLast(new Object(), timeoutMillis(), MILLISECONDS));
1229	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1230	>	pleaseInterrupt.countDown();
1231		try {
1232	<	q.offerLast(new Object(), LONG_DELAY_MS, MILLISECONDS);
1232	>	q.offerLast(new Object(), 2 * LONG_DELAY_MS, MILLISECONDS);
1233		shouldThrow();
1234		} catch (InterruptedException success) {}
1235		}});
1236
1237	<	t.start();
1238	<	Thread.sleep(SMALL_DELAY_MS);
1237	>	await(pleaseInterrupt);
1238	>	assertThreadStaysAlive(t);
1239		t.interrupt();
1240	<	t.join();
1240	>	awaitTermination(t);
1241		}
1242
1243		/**
#	Line 1090 | Line 1251 | public class LinkedBlockingDequeTest ext
1251		}
1252
1253		/**
1254	<	* takeLast blocks interruptibly when empty
1094	<	*/
1095	<	public void testTakeLastFromEmpty() throws InterruptedException {
1096	<	final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1097	<	Thread t = new ThreadShouldThrow(InterruptedException.class) {
1098	<	public void realRun() throws InterruptedException {
1099	<	q.takeLast();
1100	<	}};
1101	<
1102	<	t.start();
1103	<	Thread.sleep(SHORT_DELAY_MS);
1104	<	t.interrupt();
1105	<	t.join();
1106	<	}
1107	<
1108	<	/**
1109	<	* TakeLast removes existing elements until empty, then blocks interruptibly
1254	>	* takeLast removes existing elements until empty, then blocks interruptibly
1255		*/
1256		public void testBlockingTakeLast() throws InterruptedException {
1257		final LinkedBlockingDeque q = populatedDeque(SIZE);
1258	<	Thread t = new Thread(new CheckedRunnable() {
1258	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1259	>	Thread t = newStartedThread(new CheckedRunnable() {
1260		public void realRun() throws InterruptedException {
1261	<	for (int i = 0; i < SIZE; ++i)
1262	<	assertEquals(SIZE - 1 - i, q.takeLast());
1261	>	for (int i = 0; i < SIZE; ++i) {
1262	>	assertEquals(SIZE-i-1, q.takeLast());
1263	>	}
1264	>
1265	>	Thread.currentThread().interrupt();
1266		try {
1267		q.takeLast();
1268		shouldThrow();
1269		} catch (InterruptedException success) {}
1270	+	assertFalse(Thread.interrupted());
1271	+
1272	+	pleaseInterrupt.countDown();
1273	+	try {
1274	+	q.takeLast();
1275	+	shouldThrow();
1276	+	} catch (InterruptedException success) {}
1277	+	assertFalse(Thread.interrupted());
1278		}});
1279
1280	<	t.start();
1281	<	Thread.sleep(SHORT_DELAY_MS);
1280	>	await(pleaseInterrupt);
1281	>	assertThreadStaysAlive(t);
1282		t.interrupt();
1283	<	t.join();
1283	>	awaitTermination(t);
1284		}
1285
1286		/**
#	Line 1143 | Line 1300 | public class LinkedBlockingDequeTest ext
1300		public void testTimedPollLast() throws InterruptedException {
1301		LinkedBlockingDeque q = populatedDeque(SIZE);
1302		for (int i = 0; i < SIZE; ++i) {
1303	<	assertEquals(SIZE-i-1, q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1304	<	}
1305	<	assertNull(q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1303	>	long startTime = System.nanoTime();
1304	>	assertEquals(SIZE-i-1, q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1305	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1306	>	}
1307	>	long startTime = System.nanoTime();
1308	>	assertNull(q.pollLast(timeoutMillis(), MILLISECONDS));
1309	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1310	>	checkEmpty(q);
1311		}
1312
1313		/**
#	Line 1153 | Line 1315 | public class LinkedBlockingDequeTest ext
1315		* returning timeout status
1316		*/
1317		public void testInterruptedTimedPollLast() throws InterruptedException {
1318	<	Thread t = new Thread(new CheckedRunnable() {
1318	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
1319	>	Thread t = newStartedThread(new CheckedRunnable() {
1320		public void realRun() throws InterruptedException {
1321		LinkedBlockingDeque q = populatedDeque(SIZE);
1322		for (int i = 0; i < SIZE; ++i) {
1323	<	assertEquals(SIZE-i-1, q.pollLast(SHORT_DELAY_MS, MILLISECONDS));
1323	>	assertEquals(SIZE-i-1, q.pollLast(LONG_DELAY_MS, MILLISECONDS));
1324		}
1325	+
1326	+	Thread.currentThread().interrupt();
1327		try {
1328	<	q.pollLast(SMALL_DELAY_MS, MILLISECONDS);
1328	>	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1329		shouldThrow();
1330		} catch (InterruptedException success) {}
1331	+	assertFalse(Thread.interrupted());
1332	+
1333	+	pleaseInterrupt.countDown();
1334	+	try {
1335	+	q.pollLast(LONG_DELAY_MS, MILLISECONDS);
1336	+	shouldThrow();
1337	+	} catch (InterruptedException success) {}
1338	+	assertFalse(Thread.interrupted());
1339		}});
1340
1341	<	t.start();
1342	<	Thread.sleep(SHORT_DELAY_MS);
1341	>	await(pleaseInterrupt);
1342	>	assertThreadStaysAlive(t);
1343		t.interrupt();
1344	<	t.join();
1344	>	awaitTermination(t);
1345		}
1346
1347		/**
#	Line 1177 | Line 1350 | public class LinkedBlockingDequeTest ext
1350		*/
1351		public void testTimedPollWithOfferLast() throws InterruptedException {
1352		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1353	<	Thread t = new Thread(new CheckedRunnable() {
1353	>	final CheckedBarrier barrier = new CheckedBarrier(2);
1354	>	Thread t = newStartedThread(new CheckedRunnable() {
1355		public void realRun() throws InterruptedException {
1356	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
1356	>	long startTime = System.nanoTime();
1357	>	assertNull(q.poll(timeoutMillis(), MILLISECONDS));
1358	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1359	>
1360	>	barrier.await();
1361	>
1362		assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
1363	+
1364	+	Thread.currentThread().interrupt();
1365		try {
1366		q.poll(LONG_DELAY_MS, MILLISECONDS);
1367		shouldThrow();
1368		} catch (InterruptedException success) {}
1369	+	assertFalse(Thread.interrupted());
1370	+
1371	+	barrier.await();
1372	+	try {
1373	+	q.poll(LONG_DELAY_MS, MILLISECONDS);
1374	+	shouldThrow();
1375	+	} catch (InterruptedException success) {}
1376	+	assertFalse(Thread.interrupted());
1377		}});
1378
1379	<	t.start();
1380	<	Thread.sleep(SMALL_DELAY_MS);
1381	<	assertTrue(q.offerLast(zero, SHORT_DELAY_MS, MILLISECONDS));
1379	>	barrier.await();
1380	>	long startTime = System.nanoTime();
1381	>	assertTrue(q.offerLast(zero, LONG_DELAY_MS, MILLISECONDS));
1382	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1383	>
1384	>	barrier.await();
1385	>	assertThreadStaysAlive(t);
1386		t.interrupt();
1387	<	t.join();
1387	>	awaitTermination(t);
1388		}
1389
1197	–
1390		/**
1391		* element returns next element, or throws NSEE if empty
1392		*/
#	Line 1211 | Line 1403 | public class LinkedBlockingDequeTest ext
1403		}
1404
1405		/**
1214	–	* remove(x) removes x and returns true if present
1215	–	*/
1216	–	public void testRemoveElement() {
1217	–	LinkedBlockingDeque q = populatedDeque(SIZE);
1218	–	for (int i = 1; i < SIZE; i+=2) {
1219	–	assertTrue(q.contains(i));
1220	–	assertTrue(q.remove(i));
1221	–	assertFalse(q.contains(i));
1222	–	assertTrue(q.contains(i-1));
1223	–	}
1224	–	for (int i = 0; i < SIZE; i+=2) {
1225	–	assertTrue(q.contains(i));
1226	–	assertTrue(q.remove(i));
1227	–	assertFalse(q.contains(i));
1228	–	assertFalse(q.remove(i+1));
1229	–	assertFalse(q.contains(i+1));
1230	–	}
1231	–	assertTrue(q.isEmpty());
1232	–	}
1233	–
1234	–	/**
1406		* contains(x) reports true when elements added but not yet removed
1407		*/
1408		public void testContains() {
#	Line 1311 | Line 1482 | public class LinkedBlockingDequeTest ext
1482		/**
1483		* toArray contains all elements in FIFO order
1484		*/
1485	<	public void testToArray() throws InterruptedException{
1485	>	public void testToArray() throws InterruptedException {
1486		LinkedBlockingDeque q = populatedDeque(SIZE);
1487		Object[] o = q.toArray();
1488		for (int i = 0; i < o.length; i++)
#	Line 1331 | Line 1502 | public class LinkedBlockingDequeTest ext
1502		}
1503
1504		/**
1334	–	* toArray(null) throws NullPointerException
1335	–	*/
1336	–	public void testToArray_NullArg() {
1337	–	LinkedBlockingDeque q = populatedDeque(SIZE);
1338	–	try {
1339	–	q.toArray(null);
1340	–	shouldThrow();
1341	–	} catch (NullPointerException success) {}
1342	–	}
1343	–
1344	–	/**
1505		* toArray(incompatible array type) throws ArrayStoreException
1506		*/
1507		public void testToArray1_BadArg() {
#	Line 1352 | Line 1512 | public class LinkedBlockingDequeTest ext
1512		} catch (ArrayStoreException success) {}
1513		}
1514
1355	–
1515		/**
1516		* iterator iterates through all elements
1517		*/
#	Line 1383 | Line 1542 | public class LinkedBlockingDequeTest ext
1542		assertFalse(it.hasNext());
1543		}
1544
1386	–
1545		/**
1546		* iterator ordering is FIFO
1547		*/
#	Line 1415 | Line 1573 | public class LinkedBlockingDequeTest ext
1573		assertEquals(0, q.size());
1574		}
1575
1418	–
1576		/**
1577		* Descending iterator iterates through all elements
1578		*/
#	Line 1478 | Line 1635 | public class LinkedBlockingDequeTest ext
1635		}
1636		}
1637
1481	–
1638		/**
1639		* toString contains toStrings of elements
1640		*/
#	Line 1486 | Line 1642 | public class LinkedBlockingDequeTest ext
1642		LinkedBlockingDeque q = populatedDeque(SIZE);
1643		String s = q.toString();
1644		for (int i = 0; i < SIZE; ++i) {
1645	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
1645	>	assertTrue(s.contains(String.valueOf(i)));
1646		}
1647		}
1648
1493	–
1649		/**
1650		* offer transfers elements across Executor tasks
1651		*/
#	Line 1499 | Line 1654 | public class LinkedBlockingDequeTest ext
1654		q.add(one);
1655		q.add(two);
1656		ExecutorService executor = Executors.newFixedThreadPool(2);
1657	+	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
1658		executor.execute(new CheckedRunnable() {
1659		public void realRun() throws InterruptedException {
1660		assertFalse(q.offer(three));
1661	<	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
1661	>	threadsStarted.await();
1662	>	assertTrue(q.offer(three, LONG_DELAY_MS, MILLISECONDS));
1663		assertEquals(0, q.remainingCapacity());
1664		}});
1665
1666		executor.execute(new CheckedRunnable() {
1667		public void realRun() throws InterruptedException {
1668	<	Thread.sleep(SMALL_DELAY_MS);
1668	>	threadsStarted.await();
1669		assertSame(one, q.take());
1670		}});
1671
#	Line 1516 | Line 1673 | public class LinkedBlockingDequeTest ext
1673		}
1674
1675		/**
1676	<	* poll retrieves elements across Executor threads
1676	>	* timed poll retrieves elements across Executor threads
1677		*/
1678		public void testPollInExecutor() {
1679		final LinkedBlockingDeque q = new LinkedBlockingDeque(2);
1680	+	final CheckedBarrier threadsStarted = new CheckedBarrier(2);
1681		ExecutorService executor = Executors.newFixedThreadPool(2);
1682		executor.execute(new CheckedRunnable() {
1683		public void realRun() throws InterruptedException {
1684		assertNull(q.poll());
1685	<	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1686	<	assertTrue(q.isEmpty());
1685	>	threadsStarted.await();
1686	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
1687	>	checkEmpty(q);
1688		}});
1689
1690		executor.execute(new CheckedRunnable() {
1691		public void realRun() throws InterruptedException {
1692	<	Thread.sleep(SMALL_DELAY_MS);
1692	>	threadsStarted.await();
1693		q.put(one);
1694		}});
1695
#	Line 1541 | Line 1700 | public class LinkedBlockingDequeTest ext
1700		* A deserialized serialized deque has same elements in same order
1701		*/
1702		public void testSerialization() throws Exception {
1703	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1704	<
1546	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
1547	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
1548	<	out.writeObject(q);
1549	<	out.close();
1550	<
1551	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
1552	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
1553	<	LinkedBlockingDeque r = (LinkedBlockingDeque)in.readObject();
1554	<	assertEquals(q.size(), r.size());
1555	<	while (!q.isEmpty())
1556	<	assertEquals(q.remove(), r.remove());
1557	<	}
1558	<
1559	<	/**
1560	<	* drainTo(null) throws NPE
1561	<	*/
1562	<	public void testDrainToNull() {
1563	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1564	<	try {
1565	<	q.drainTo(null);
1566	<	shouldThrow();
1567	<	} catch (NullPointerException success) {}
1568	<	}
1703	>	Queue x = populatedDeque(SIZE);
1704	>	Queue y = serialClone(x);
1705
1706	<	/**
1707	<	* drainTo(this) throws IAE
1708	<	*/
1709	<	public void testDrainToSelf() {
1710	<	LinkedBlockingDeque q = populatedDeque(SIZE);
1711	<	try {
1712	<	q.drainTo(q);
1713	<	shouldThrow();
1714	<	} catch (IllegalArgumentException success) {}
1706	>	assertNotSame(y, x);
1707	>	assertEquals(x.size(), y.size());
1708	>	assertEquals(x.toString(), y.toString());
1709	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
1710	>	while (!x.isEmpty()) {
1711	>	assertFalse(y.isEmpty());
1712	>	assertEquals(x.remove(), y.remove());
1713	>	}
1714	>	assertTrue(y.isEmpty());
1715		}
1716
1717		/**
#	Line 1585 | Line 1721 | public class LinkedBlockingDequeTest ext
1721		LinkedBlockingDeque q = populatedDeque(SIZE);
1722		ArrayList l = new ArrayList();
1723		q.drainTo(l);
1724	<	assertEquals(q.size(), 0);
1725	<	assertEquals(l.size(), SIZE);
1724	>	assertEquals(0, q.size());
1725	>	assertEquals(SIZE, l.size());
1726		for (int i = 0; i < SIZE; ++i)
1727		assertEquals(l.get(i), new Integer(i));
1728		q.add(zero);
#	Line 1596 | Line 1732 | public class LinkedBlockingDequeTest ext
1732		assertTrue(q.contains(one));
1733		l.clear();
1734		q.drainTo(l);
1735	<	assertEquals(q.size(), 0);
1736	<	assertEquals(l.size(), 2);
1735	>	assertEquals(0, q.size());
1736	>	assertEquals(2, l.size());
1737		for (int i = 0; i < 2; ++i)
1738		assertEquals(l.get(i), new Integer(i));
1739		}
#	Line 1623 | Line 1759 | public class LinkedBlockingDequeTest ext
1759		}
1760
1761		/**
1626	–	* drainTo(null, n) throws NPE
1627	–	*/
1628	–	public void testDrainToNullN() {
1629	–	LinkedBlockingDeque q = populatedDeque(SIZE);
1630	–	try {
1631	–	q.drainTo(null, 0);
1632	–	shouldThrow();
1633	–	} catch (NullPointerException success) {}
1634	–	}
1635	–
1636	–	/**
1637	–	* drainTo(this, n) throws IAE
1638	–	*/
1639	–	public void testDrainToSelfN() {
1640	–	LinkedBlockingDeque q = populatedDeque(SIZE);
1641	–	try {
1642	–	q.drainTo(q, 0);
1643	–	shouldThrow();
1644	–	} catch (IllegalArgumentException success) {}
1645	–	}
1646	–
1647	–	/**
1762		* drainTo(c, n) empties first min(n, size) elements of queue into c
1763		*/
1764		public void testDrainToN() {
#	Line 1655 | Line 1769 | public class LinkedBlockingDequeTest ext
1769		ArrayList l = new ArrayList();
1770		q.drainTo(l, i);
1771		int k = (i < SIZE) ? i : SIZE;
1772	<	assertEquals(l.size(), k);
1773	<	assertEquals(q.size(), SIZE-k);
1772	>	assertEquals(k, l.size());
1773	>	assertEquals(SIZE-k, q.size());
1774		for (int j = 0; j < k; ++j)
1775		assertEquals(l.get(j), new Integer(j));
1776		while (q.poll() != null) ;
1777		}
1778		}
1779
1780	+	/**
1781	+	* remove(null), contains(null) always return false
1782	+	*/
1783	+	public void testNeverContainsNull() {
1784	+	Deque<?>[] qs = {
1785	+	new LinkedBlockingDeque<Object>(),
1786	+	populatedDeque(2),
1787	+	};
1788	+
1789	+	for (Deque<?> q : qs) {
1790	+	assertFalse(q.contains(null));
1791	+	assertFalse(q.remove(null));
1792	+	assertFalse(q.removeFirstOccurrence(null));
1793	+	assertFalse(q.removeLastOccurrence(null));
1794	+	}
1795	+	}
1796	+
1797		}

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