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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.50 by jsr166, Sat Nov 26 05:19:17 2011 UTC vs.
Revision 1.66 by jsr166, Sun Oct 18 04:48:32 2015 UTC

#	Line 5 | Line 5
5		* Other contributors include John Vint
6		*/
7
8	<	import junit.framework.*;
9	<	import java.util.Arrays;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>
10		import java.util.ArrayList;
11	+	import java.util.Arrays;
12		import java.util.Collection;
13		import java.util.Iterator;
14		import java.util.List;
#	Line 18 | Line 19 | import java.util.concurrent.CountDownLat
19		import java.util.concurrent.Executors;
20		import java.util.concurrent.ExecutorService;
21		import java.util.concurrent.LinkedTransferQueue;
22	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.NANOSECONDS;
22	>
23	>	import junit.framework.Test;
24
25		@SuppressWarnings({"unchecked", "rawtypes"})
26		public class LinkedTransferQueueTest extends JSR166TestCase {
27	+	static class Implementation implements CollectionImplementation {
28	+	public Class<?> klazz() { return LinkedTransferQueue.class; }
29	+	public Collection emptyCollection() { return new LinkedTransferQueue(); }
30	+	public Object makeElement(int i) { return i; }
31	+	public boolean isConcurrent() { return true; }
32	+	public boolean permitsNulls() { return false; }
33	+	}
34
35		public static class Generic extends BlockingQueueTest {
36		protected BlockingQueue emptyCollection() {
#	Line 31 | Line 39 | public class LinkedTransferQueueTest ext
39		}
40
41		public static void main(String[] args) {
42	<	junit.textui.TestRunner.run(suite());
42	>	main(suite(), args);
43		}
44
45		public static Test suite() {
46		return newTestSuite(LinkedTransferQueueTest.class,
47	<	new Generic().testSuite());
47	>	new Generic().testSuite(),
48	>	CollectionTest.testSuite(new Implementation()));
49		}
50
51		/**
#	Line 77 | Line 86 | public class LinkedTransferQueueTest ext
86		*/
87		public void testConstructor4() {
88		Integer[] ints = new Integer[SIZE];
89	<	for (int i = 0; i < SIZE-1; ++i)
89	>	for (int i = 0; i < SIZE - 1; ++i)
90		ints[i] = i;
91		Collection<Integer> elements = Arrays.asList(ints);
92		try {
#	Line 114 | Line 123 | public class LinkedTransferQueueTest ext
123		* remainingCapacity() always returns Integer.MAX_VALUE
124		*/
125		public void testRemainingCapacity() {
126	<	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
126	>	BlockingQueue q = populatedQueue(SIZE);
127		for (int i = 0; i < SIZE; ++i) {
128		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
129		assertEquals(SIZE - i, q.size());
130	<	q.remove();
130	>	assertEquals(i, q.remove());
131		}
132		for (int i = 0; i < SIZE; ++i) {
133		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
134		assertEquals(i, q.size());
135	<	q.add(i);
135	>	assertTrue(q.add(i));
136		}
137		}
138
#	Line 131 | Line 140 | public class LinkedTransferQueueTest ext
140		* addAll(this) throws IllegalArgumentException
141		*/
142		public void testAddAllSelf() {
143	+	LinkedTransferQueue q = populatedQueue(SIZE);
144		try {
135	–	LinkedTransferQueue q = populatedQueue(SIZE);
145		q.addAll(q);
146		shouldThrow();
147		} catch (IllegalArgumentException success) {}
#	Line 143 | Line 152 | public class LinkedTransferQueueTest ext
152		* NullPointerException after possibly adding some elements
153		*/
154		public void testAddAll3() {
155	+	LinkedTransferQueue q = new LinkedTransferQueue();
156	+	Integer[] ints = new Integer[SIZE];
157	+	for (int i = 0; i < SIZE - 1; ++i)
158	+	ints[i] = i;
159		try {
147	–	LinkedTransferQueue q = new LinkedTransferQueue();
148	–	Integer[] ints = new Integer[SIZE];
149	–	for (int i = 0; i < SIZE - 1; ++i) {
150	–	ints[i] = i;
151	–	}
160		q.addAll(Arrays.asList(ints));
161		shouldThrow();
162		} catch (NullPointerException success) {}
#	Line 177 | Line 185 | public class LinkedTransferQueueTest ext
185		public void testPut() {
186		LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
187		for (int i = 0; i < SIZE; ++i) {
188	<	assertEquals(q.size(), i);
188	>	assertEquals(i, q.size());
189		q.put(i);
190		assertTrue(q.contains(i));
191		}
#	Line 255 | Line 263 | public class LinkedTransferQueueTest ext
263		*/
264		public void testTimedPoll() throws InterruptedException {
265		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
258	–	for (int i = 0; i < SIZE; ++i) {
259	–	long startTime = System.nanoTime();
260	–	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
261	–	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
262	–	}
266		long startTime = System.nanoTime();
267	+	for (int i = 0; i < SIZE; ++i)
268	+	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
269	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
270	+
271	+	startTime = System.nanoTime();
272		assertNull(q.poll(timeoutMillis(), MILLISECONDS));
273		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
274		checkEmpty(q);
#	Line 275 | Line 283 | public class LinkedTransferQueueTest ext
283		final CountDownLatch aboutToWait = new CountDownLatch(1);
284		Thread t = newStartedThread(new CheckedRunnable() {
285		public void realRun() throws InterruptedException {
286	<	for (int i = 0; i < SIZE; ++i) {
287	<	long t0 = System.nanoTime();
286	>	long startTime = System.nanoTime();
287	>	for (int i = 0; i < SIZE; ++i)
288		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
281	–	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
282	–	}
283	–	long t0 = System.nanoTime();
289		aboutToWait.countDown();
290		try {
291	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
291	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
292		shouldThrow();
293	<	} catch (InterruptedException success) {
294	<	assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
290	<	}
293	>	} catch (InterruptedException success) {}
294	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
295		}});
296
297		aboutToWait.await();
298	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
298	>	waitForThreadToEnterWaitState(t);
299		t.interrupt();
300	<	awaitTermination(t, MEDIUM_DELAY_MS);
300	>	awaitTermination(t);
301		checkEmpty(q);
302		}
303
#	Line 305 | Line 309 | public class LinkedTransferQueueTest ext
309		final BlockingQueue<Integer> q = populatedQueue(SIZE);
310		Thread t = newStartedThread(new CheckedRunnable() {
311		public void realRun() throws InterruptedException {
312	+	long startTime = System.nanoTime();
313		Thread.currentThread().interrupt();
314	<	for (int i = 0; i < SIZE; ++i) {
310	<	long t0 = System.nanoTime();
314	>	for (int i = 0; i < SIZE; ++i)
315		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
312	–	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
313	–	}
316		try {
317	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
317	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
318		shouldThrow();
319		} catch (InterruptedException success) {}
320	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
321		}});
322
323	<	awaitTermination(t, MEDIUM_DELAY_MS);
323	>	awaitTermination(t);
324		checkEmpty(q);
325		}
326
#	Line 499 | Line 502 | public class LinkedTransferQueueTest ext
502		public void testIterator() throws InterruptedException {
503		LinkedTransferQueue q = populatedQueue(SIZE);
504		Iterator it = q.iterator();
505	<	int i = 0;
506	<	while (it.hasNext()) {
507	<	assertEquals(it.next(), i++);
505	<	}
505	>	int i;
506	>	for (i = 0; it.hasNext(); i++)
507	>	assertTrue(q.contains(it.next()));
508		assertEquals(i, SIZE);
509	+	assertIteratorExhausted(it);
510	+
511	+	it = q.iterator();
512	+	for (i = 0; it.hasNext(); i++)
513	+	assertEquals(it.next(), q.take());
514	+	assertEquals(i, SIZE);
515	+	assertIteratorExhausted(it);
516	+	}
517	+
518	+	/**
519	+	* iterator of empty collection has no elements
520	+	*/
521	+	public void testEmptyIterator() {
522	+	assertIteratorExhausted(new LinkedTransferQueue().iterator());
523		}
524
525		/**
#	Line 575 | Line 591 | public class LinkedTransferQueueTest ext
591		public void testOfferInExecutor() {
592		final LinkedTransferQueue q = new LinkedTransferQueue();
593		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
594	<	ExecutorService executor = Executors.newFixedThreadPool(2);
595	<
580	<	executor.execute(new CheckedRunnable() {
581	<	public void realRun() throws InterruptedException {
582	<	threadsStarted.await();
583	<	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
584	<	}});
594	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
595	>	try (PoolCleaner cleaner = cleaner(executor)) {
596
597	<	executor.execute(new CheckedRunnable() {
598	<	public void realRun() throws InterruptedException {
599	<	threadsStarted.await();
600	<	assertSame(one, q.take());
601	<	checkEmpty(q);
602	<	}});
597	>	executor.execute(new CheckedRunnable() {
598	>	public void realRun() throws InterruptedException {
599	>	threadsStarted.await();
600	>	long startTime = System.nanoTime();
601	>	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
602	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
603	>	}});
604
605	<	joinPool(executor);
605	>	executor.execute(new CheckedRunnable() {
606	>	public void realRun() throws InterruptedException {
607	>	threadsStarted.await();
608	>	assertSame(one, q.take());
609	>	checkEmpty(q);
610	>	}});
611	>	}
612		}
613
614		/**
#	Line 599 | Line 617 | public class LinkedTransferQueueTest ext
617		public void testPollInExecutor() {
618		final LinkedTransferQueue q = new LinkedTransferQueue();
619		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
620	<	ExecutorService executor = Executors.newFixedThreadPool(2);
621	<
604	<	executor.execute(new CheckedRunnable() {
605	<	public void realRun() throws InterruptedException {
606	<	assertNull(q.poll());
607	<	threadsStarted.await();
608	<	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
609	<	checkEmpty(q);
610	<	}});
620	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
621	>	try (PoolCleaner cleaner = cleaner(executor)) {
622
623	<	executor.execute(new CheckedRunnable() {
624	<	public void realRun() throws InterruptedException {
625	<	threadsStarted.await();
626	<	q.put(one);
627	<	}});
623	>	executor.execute(new CheckedRunnable() {
624	>	public void realRun() throws InterruptedException {
625	>	assertNull(q.poll());
626	>	threadsStarted.await();
627	>	long startTime = System.nanoTime();
628	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
629	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
630	>	checkEmpty(q);
631	>	}});
632
633	<	joinPool(executor);
633	>	executor.execute(new CheckedRunnable() {
634	>	public void realRun() throws InterruptedException {
635	>	threadsStarted.await();
636	>	q.put(one);
637	>	}});
638	>	}
639		}
640
641		/**
#	Line 625 | Line 645 | public class LinkedTransferQueueTest ext
645		Queue x = populatedQueue(SIZE);
646		Queue y = serialClone(x);
647
648	<	assertTrue(x != y);
648	>	assertNotSame(y, x);
649		assertEquals(x.size(), y.size());
650		assertEquals(x.toString(), y.toString());
651		assertTrue(Arrays.equals(x.toArray(), y.toArray()));
#	Line 646 | Line 666 | public class LinkedTransferQueueTest ext
666		assertEquals(0, q.size());
667		assertEquals(SIZE, l.size());
668		for (int i = 0; i < SIZE; ++i) {
669	<	assertEquals(l.get(i), i);
669	>	assertEquals(i, l.get(i));
670		}
671		q.add(zero);
672		q.add(one);
#	Line 658 | Line 678 | public class LinkedTransferQueueTest ext
678		assertEquals(0, q.size());
679		assertEquals(2, l.size());
680		for (int i = 0; i < 2; ++i) {
681	<	assertEquals(l.get(i), i);
681	>	assertEquals(i, l.get(i));
682		}
683		}
684
#	Line 674 | Line 694 | public class LinkedTransferQueueTest ext
694		ArrayList l = new ArrayList();
695		q.drainTo(l);
696		assertTrue(l.size() >= SIZE);
697	<	for (int i = 0; i < SIZE; ++i) {
698	<	assertEquals(l.get(i), i);
699	<	}
680	<	awaitTermination(t, MEDIUM_DELAY_MS);
697	>	for (int i = 0; i < SIZE; ++i)
698	>	assertEquals(i, l.get(i));
699	>	awaitTermination(t);
700		assertTrue(q.size() + l.size() >= SIZE);
701		}
702
#	Line 693 | Line 712 | public class LinkedTransferQueueTest ext
712		ArrayList l = new ArrayList();
713		q.drainTo(l, i);
714		int k = (i < SIZE) ? i : SIZE;
715	<	assertEquals(l.size(), k);
716	<	assertEquals(q.size(), SIZE - k);
717	<	for (int j = 0; j < k; ++j) {
718	<	assertEquals(l.get(j), j);
719	<	}
701	<	while (q.poll() != null)
702	<	;
715	>	assertEquals(k, l.size());
716	>	assertEquals(SIZE - k, q.size());
717	>	for (int j = 0; j < k; ++j)
718	>	assertEquals(j, l.get(j));
719	>	do {} while (q.poll() != null);
720		}
721		}
722
#	Line 716 | Line 733 | public class LinkedTransferQueueTest ext
733		Thread t = newStartedThread(new CheckedRunnable() {
734		public void realRun() throws InterruptedException {
735		threadStarted.countDown();
736	+	long startTime = System.nanoTime();
737		assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
738		assertEquals(0, q.getWaitingConsumerCount());
739		assertFalse(q.hasWaitingConsumer());
740	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
741		}});
742
743		threadStarted.await();
744	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
744	>	waitForThreadToEnterWaitState(t);
745		assertEquals(1, q.getWaitingConsumerCount());
746		assertTrue(q.hasWaitingConsumer());
747
#	Line 730 | Line 749 | public class LinkedTransferQueueTest ext
749		assertEquals(0, q.getWaitingConsumerCount());
750		assertFalse(q.hasWaitingConsumer());
751
752	<	awaitTermination(t, MEDIUM_DELAY_MS);
752	>	awaitTermination(t);
753		}
754
755		/**
#	Line 761 | Line 780 | public class LinkedTransferQueueTest ext
780		}});
781
782		threadStarted.await();
783	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
783	>	waitForThreadToEnterWaitState(t);
784		assertEquals(1, q.size());
785		assertSame(five, q.poll());
786		checkEmpty(q);
787	<	awaitTermination(t, MEDIUM_DELAY_MS);
787	>	awaitTermination(t);
788		}
789
790		/**
#	Line 821 | Line 840 | public class LinkedTransferQueueTest ext
840		assertEquals(1, q.size());
841		assertTrue(q.offer(three));
842		assertSame(four, q.poll());
843	<	awaitTermination(t, MEDIUM_DELAY_MS);
843	>	awaitTermination(t);
844		}
845
846		/**
#	Line 844 | Line 863 | public class LinkedTransferQueueTest ext
863		assertEquals(1, q.size());
864		assertSame(four, q.take());
865		checkEmpty(q);
866	<	awaitTermination(t, MEDIUM_DELAY_MS);
866	>	awaitTermination(t);
867		}
868
869		/**
870		* tryTransfer(null) throws NullPointerException
871		*/
872		public void testTryTransfer1() {
873	+	final LinkedTransferQueue q = new LinkedTransferQueue();
874		try {
855	–	final LinkedTransferQueue q = new LinkedTransferQueue();
875		q.tryTransfer(null);
876		shouldThrow();
877		} catch (NullPointerException success) {}
#	Line 886 | Line 905 | public class LinkedTransferQueueTest ext
905		assertTrue(q.tryTransfer(hotPotato));
906		}});
907
908	<	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
908	>	long startTime = System.nanoTime();
909	>	assertSame(hotPotato, q.poll(LONG_DELAY_MS, MILLISECONDS));
910	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
911		checkEmpty(q);
912	<	awaitTermination(t, MEDIUM_DELAY_MS);
912	>	awaitTermination(t);
913		}
914
915		/**
#	Line 910 | Line 931 | public class LinkedTransferQueueTest ext
931
932		assertSame(q.take(), hotPotato);
933		checkEmpty(q);
934	<	awaitTermination(t, MEDIUM_DELAY_MS);
934	>	awaitTermination(t);
935		}
936
937		/**
#	Line 923 | Line 944 | public class LinkedTransferQueueTest ext
944
945		Thread t = newStartedThread(new CheckedRunnable() {
946		public void realRun() throws InterruptedException {
947	+	long startTime = System.nanoTime();
948		Thread.currentThread().interrupt();
949		try {
950		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
#	Line 936 | Line 958 | public class LinkedTransferQueueTest ext
958		shouldThrow();
959		} catch (InterruptedException success) {}
960		assertFalse(Thread.interrupted());
961	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
962		}});
963
964		await(pleaseInterrupt);
#	Line 953 | Line 976 | public class LinkedTransferQueueTest ext
976
977		Thread t = newStartedThread(new CheckedRunnable() {
978		public void realRun() throws InterruptedException {
979	<	long t0 = System.nanoTime();
979	>	long startTime = System.nanoTime();
980		assertFalse(q.tryTransfer(new Object(),
981		timeoutMillis(), MILLISECONDS));
982	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
982	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
983		checkEmpty(q);
984		}});
985
#	Line 974 | Line 997 | public class LinkedTransferQueueTest ext
997
998		Thread t = newStartedThread(new CheckedRunnable() {
999		public void realRun() throws InterruptedException {
1000	<	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1000	>	long startTime = System.nanoTime();
1001	>	assertTrue(q.tryTransfer(five, LONG_DELAY_MS, MILLISECONDS));
1002	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1003		checkEmpty(q);
1004		}});
1005
#	Line 984 | Line 1009 | public class LinkedTransferQueueTest ext
1009		assertSame(four, q.poll());
1010		assertSame(five, q.poll());
1011		checkEmpty(q);
1012	<	awaitTermination(t, MEDIUM_DELAY_MS);
1012	>	awaitTermination(t);
1013		}
1014
1015		/**
#	Line 995 | Line 1020 | public class LinkedTransferQueueTest ext
1020		final LinkedTransferQueue q = new LinkedTransferQueue();
1021		assertTrue(q.offer(four));
1022		assertEquals(1, q.size());
1023	<	long t0 = System.nanoTime();
1023	>	long startTime = System.nanoTime();
1024		assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS));
1025	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
1025	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1026		assertEquals(1, q.size());
1027		assertSame(four, q.poll());
1028		assertNull(q.poll());
#	Line 1015 | Line 1040 | public class LinkedTransferQueueTest ext
1040		assertFalse(q.isEmpty());
1041		return q;
1042		}
1043	+
1044	+	/**
1045	+	* remove(null), contains(null) always return false
1046	+	*/
1047	+	public void testNeverContainsNull() {
1048	+	Collection<?>[] qs = {
1049	+	new LinkedTransferQueue<Object>(),
1050	+	populatedQueue(2),
1051	+	};
1052	+
1053	+	for (Collection<?> q : qs) {
1054	+	assertFalse(q.contains(null));
1055	+	assertFalse(q.remove(null));
1056	+	}
1057	+	}
1058		}

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