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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.62 by jsr166, Sun Jun 14 20:58:14 2015 UTC vs.
Revision 1.82 by jsr166, Sun Aug 11 22:29:27 2019 UTC

#	Line 15 | Line 15 | import java.util.List;
15		import java.util.NoSuchElementException;
16		import java.util.Queue;
17		import java.util.concurrent.BlockingQueue;
18	+	import java.util.concurrent.Callable;
19		import java.util.concurrent.CountDownLatch;
20		import java.util.concurrent.Executors;
21		import java.util.concurrent.ExecutorService;
#	Line 24 | Line 25 | import junit.framework.Test;
25
26		@SuppressWarnings({"unchecked", "rawtypes"})
27		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	–
28		public static class Generic extends BlockingQueueTest {
29		protected BlockingQueue emptyCollection() {
30		return new LinkedTransferQueue();
#	Line 43 | Line 36 | public class LinkedTransferQueueTest ext
36		}
37
38		public static Test suite() {
39	+	class Implementation implements CollectionImplementation {
40	+	public Class<?> klazz() { return LinkedTransferQueue.class; }
41	+	public Collection emptyCollection() { return new LinkedTransferQueue(); }
42	+	public Object makeElement(int i) { return i; }
43	+	public boolean isConcurrent() { return true; }
44	+	public boolean permitsNulls() { return false; }
45	+	}
46		return newTestSuite(LinkedTransferQueueTest.class,
47		new Generic().testSuite(),
48		CollectionTest.testSuite(new Implementation()));
#	Line 183 | Line 183 | public class LinkedTransferQueueTest ext
183		* all elements successfully put are contained
184		*/
185		public void testPut() {
186	<	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
186	>	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
187		for (int i = 0; i < SIZE; ++i) {
188		assertEquals(i, q.size());
189		q.put(i);
#	Line 209 | Line 209 | public class LinkedTransferQueueTest ext
209		final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
210		Thread t = newStartedThread(new CheckedRunnable() {
211		public void realRun() throws InterruptedException {
212	<	for (int i = 0; i < SIZE; ++i) {
213	<	assertEquals(i, q.take());
214	<	}
212	>	for (int i = 0; i < SIZE; i++) assertEquals(i, q.take());
213
214		Thread.currentThread().interrupt();
215		try {
#	Line 229 | Line 227 | public class LinkedTransferQueueTest ext
227		}});
228
229		await(pleaseInterrupt);
230	<	assertThreadStaysAlive(t);
230	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.WAITING);
231		t.interrupt();
232		awaitTermination(t);
233		}
#	Line 263 | Line 261 | public class LinkedTransferQueueTest ext
261		*/
262		public void testTimedPoll() throws InterruptedException {
263		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
266	–	for (int i = 0; i < SIZE; ++i) {
267	–	long startTime = System.nanoTime();
268	–	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
269	–	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
270	–	}
264		long startTime = System.nanoTime();
265	+	for (int i = 0; i < SIZE; ++i)
266	+	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
267	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
268	+
269	+	startTime = System.nanoTime();
270		assertNull(q.poll(timeoutMillis(), MILLISECONDS));
271		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
272		checkEmpty(q);
#	Line 280 | Line 278 | public class LinkedTransferQueueTest ext
278		*/
279		public void testInterruptedTimedPoll() throws InterruptedException {
280		final BlockingQueue<Integer> q = populatedQueue(SIZE);
281	<	final CountDownLatch aboutToWait = new CountDownLatch(1);
281	>	final CountDownLatch pleaseInterrupt = new CountDownLatch(1);
282		Thread t = newStartedThread(new CheckedRunnable() {
283		public void realRun() throws InterruptedException {
284	<	for (int i = 0; i < SIZE; ++i) {
285	<	long t0 = System.nanoTime();
284	>	long startTime = System.nanoTime();
285	>	for (int i = 0; i < SIZE; i++)
286		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
287	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
288	<	}
289	<	long t0 = System.nanoTime();
290	<	aboutToWait.countDown();
287	>
288	>	Thread.currentThread().interrupt();
289	>	try {
290	>	q.poll(randomTimeout(), randomTimeUnit());
291	>	shouldThrow();
292	>	} catch (InterruptedException success) {}
293	>	assertFalse(Thread.interrupted());
294	>
295	>	pleaseInterrupt.countDown();
296		try {
297	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
297	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
298		shouldThrow();
299	<	} catch (InterruptedException success) {
300	<	assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
301	<	}
299	>	} catch (InterruptedException success) {}
300	>	assertFalse(Thread.interrupted());
301	>
302	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
303		}});
304
305	<	aboutToWait.await();
306	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
305	>	await(pleaseInterrupt);
306	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
307		t.interrupt();
308	<	awaitTermination(t, MEDIUM_DELAY_MS);
308	>	awaitTermination(t);
309		checkEmpty(q);
310		}
311
#	Line 313 | Line 317 | public class LinkedTransferQueueTest ext
317		final BlockingQueue<Integer> q = populatedQueue(SIZE);
318		Thread t = newStartedThread(new CheckedRunnable() {
319		public void realRun() throws InterruptedException {
320	+	long startTime = System.nanoTime();
321		Thread.currentThread().interrupt();
322	<	for (int i = 0; i < SIZE; ++i) {
323	<	long t0 = System.nanoTime();
319	<	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
320	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
321	<	}
322	>	for (int i = 0; i < SIZE; ++i)
323	>	assertEquals(i, (int) q.poll(randomTimeout(), randomTimeUnit()));
324		try {
325	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
325	>	q.poll(randomTimeout(), randomTimeUnit());
326		shouldThrow();
327		} catch (InterruptedException success) {}
328	+	assertFalse(Thread.interrupted());
329	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
330		}});
331
332	<	awaitTermination(t, MEDIUM_DELAY_MS);
332	>	awaitTermination(t);
333		checkEmpty(q);
334		}
335
#	Line 421 | Line 425 | public class LinkedTransferQueueTest ext
425		*/
426		public void testContainsAll() {
427		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
428	<	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<Integer>();
428	>	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<>();
429		for (int i = 0; i < SIZE; ++i) {
430		assertTrue(q.containsAll(p));
431		assertFalse(p.containsAll(q));
#	Line 471 | Line 475 | public class LinkedTransferQueueTest ext
475		*/
476		public void testToArray() {
477		LinkedTransferQueue q = populatedQueue(SIZE);
478	<	Object[] o = q.toArray();
479	<	for (int i = 0; i < o.length; i++) {
480	<	assertSame(o[i], q.poll());
481	<	}
478	>	Object[] a = q.toArray();
479	>	assertSame(Object[].class, a.getClass());
480	>	for (Object o : a)
481	>	assertSame(o, q.poll());
482	>	assertTrue(q.isEmpty());
483		}
484
485		/**
#	Line 485 | Line 490 | public class LinkedTransferQueueTest ext
490		Integer[] ints = new Integer[SIZE];
491		Integer[] array = q.toArray(ints);
492		assertSame(ints, array);
493	<	for (int i = 0; i < ints.length; i++) {
494	<	assertSame(ints[i], q.poll());
495	<	}
493	>	for (Integer o : ints)
494	>	assertSame(o, q.poll());
495	>	assertTrue(q.isEmpty());
496		}
497
498		/**
#	Line 550 | Line 555 | public class LinkedTransferQueueTest ext
555		* iterator ordering is FIFO
556		*/
557		public void testIteratorOrdering() {
558	<	final LinkedTransferQueue<Integer> q
554	<	= new LinkedTransferQueue<Integer>();
558	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
559		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
560		q.add(one);
561		q.add(two);
#	Line 596 | Line 600 | public class LinkedTransferQueueTest ext
600		public void testOfferInExecutor() {
601		final LinkedTransferQueue q = new LinkedTransferQueue();
602		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
603	<	ExecutorService executor = Executors.newFixedThreadPool(2);
604	<
601	<	executor.execute(new CheckedRunnable() {
602	<	public void realRun() throws InterruptedException {
603	<	threadsStarted.await();
604	<	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
605	<	}});
603	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
604	>	try (PoolCleaner cleaner = cleaner(executor)) {
605
606	<	executor.execute(new CheckedRunnable() {
607	<	public void realRun() throws InterruptedException {
608	<	threadsStarted.await();
609	<	assertSame(one, q.take());
610	<	checkEmpty(q);
611	<	}});
606	>	executor.execute(new CheckedRunnable() {
607	>	public void realRun() throws InterruptedException {
608	>	threadsStarted.await();
609	>	long startTime = System.nanoTime();
610	>	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
611	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
612	>	}});
613
614	<	joinPool(executor);
614	>	executor.execute(new CheckedRunnable() {
615	>	public void realRun() throws InterruptedException {
616	>	threadsStarted.await();
617	>	assertSame(one, q.take());
618	>	checkEmpty(q);
619	>	}});
620	>	}
621		}
622
623		/**
#	Line 620 | Line 626 | public class LinkedTransferQueueTest ext
626		public void testPollInExecutor() {
627		final LinkedTransferQueue q = new LinkedTransferQueue();
628		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
629	<	ExecutorService executor = Executors.newFixedThreadPool(2);
629	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
630	>	try (PoolCleaner cleaner = cleaner(executor)) {
631
632	<	executor.execute(new CheckedRunnable() {
633	<	public void realRun() throws InterruptedException {
634	<	assertNull(q.poll());
635	<	threadsStarted.await();
636	<	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
637	<	checkEmpty(q);
638	<	}});
639	<
640	<	executor.execute(new CheckedRunnable() {
634	<	public void realRun() throws InterruptedException {
635	<	threadsStarted.await();
636	<	q.put(one);
637	<	}});
632	>	executor.execute(new CheckedRunnable() {
633	>	public void realRun() throws InterruptedException {
634	>	assertNull(q.poll());
635	>	threadsStarted.await();
636	>	long startTime = System.nanoTime();
637	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
638	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
639	>	checkEmpty(q);
640	>	}});
641
642	<	joinPool(executor);
642	>	executor.execute(new CheckedRunnable() {
643	>	public void realRun() throws InterruptedException {
644	>	threadsStarted.await();
645	>	q.put(one);
646	>	}});
647	>	}
648		}
649
650		/**
651	<	* A deserialized serialized queue has same elements in same order
651	>	* A deserialized/reserialized queue has same elements in same order
652		*/
653		public void testSerialization() throws Exception {
654		Queue x = populatedQueue(SIZE);
#	Line 697 | Line 705 | public class LinkedTransferQueueTest ext
705		assertTrue(l.size() >= SIZE);
706		for (int i = 0; i < SIZE; ++i)
707		assertEquals(i, l.get(i));
708	<	awaitTermination(t, MEDIUM_DELAY_MS);
708	>	awaitTermination(t);
709		assertTrue(q.size() + l.size() >= SIZE);
710		}
711
#	Line 734 | Line 742 | public class LinkedTransferQueueTest ext
742		Thread t = newStartedThread(new CheckedRunnable() {
743		public void realRun() throws InterruptedException {
744		threadStarted.countDown();
745	+	long startTime = System.nanoTime();
746		assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
747		assertEquals(0, q.getWaitingConsumerCount());
748		assertFalse(q.hasWaitingConsumer());
749	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
750		}});
751
752		threadStarted.await();
753	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
754	<	assertEquals(1, q.getWaitingConsumerCount());
755	<	assertTrue(q.hasWaitingConsumer());
753	>	Callable<Boolean> oneConsumer
754	>	= new Callable<Boolean>() { public Boolean call() {
755	>	return q.hasWaitingConsumer()
756	>	&& q.getWaitingConsumerCount() == 1; }};
757	>	waitForThreadToEnterWaitState(t, oneConsumer);
758
759		assertTrue(q.offer(one));
760		assertEquals(0, q.getWaitingConsumerCount());
761		assertFalse(q.hasWaitingConsumer());
762
763	<	awaitTermination(t, MEDIUM_DELAY_MS);
763	>	awaitTermination(t);
764		}
765
766		/**
#	Line 763 | Line 775 | public class LinkedTransferQueueTest ext
775		}
776
777		/**
778	<	* transfer waits until a poll occurs. The transfered element
779	<	* is returned by this associated poll.
778	>	* transfer waits until a poll occurs. The transferred element
779	>	* is returned by the associated poll.
780		*/
781		public void testTransfer2() throws InterruptedException {
782	<	final LinkedTransferQueue<Integer> q
771	<	= new LinkedTransferQueue<Integer>();
782	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
783		final CountDownLatch threadStarted = new CountDownLatch(1);
784
785		Thread t = newStartedThread(new CheckedRunnable() {
#	Line 779 | Line 790 | public class LinkedTransferQueueTest ext
790		}});
791
792		threadStarted.await();
793	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
794	<	assertEquals(1, q.size());
793	>	Callable<Boolean> oneElement
794	>	= new Callable<Boolean>() { public Boolean call() {
795	>	return !q.isEmpty() && q.size() == 1; }};
796	>	waitForThreadToEnterWaitState(t, oneElement);
797	>
798		assertSame(five, q.poll());
799		checkEmpty(q);
800	<	awaitTermination(t, MEDIUM_DELAY_MS);
800	>	awaitTermination(t);
801		}
802
803		/**
804		* transfer waits until a poll occurs, and then transfers in fifo order
805		*/
806		public void testTransfer3() throws InterruptedException {
807	<	final LinkedTransferQueue<Integer> q
794	<	= new LinkedTransferQueue<Integer>();
807	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
808
809		Thread first = newStartedThread(new CheckedRunnable() {
810		public void realRun() throws InterruptedException {
811		q.transfer(four);
812	<	assertTrue(!q.contains(four));
812	>	assertFalse(q.contains(four));
813		assertEquals(1, q.size());
814		}});
815
#	Line 839 | Line 852 | public class LinkedTransferQueueTest ext
852		assertEquals(1, q.size());
853		assertTrue(q.offer(three));
854		assertSame(four, q.poll());
855	<	awaitTermination(t, MEDIUM_DELAY_MS);
855	>	awaitTermination(t);
856		}
857
858		/**
859	<	* transfer waits until a take occurs. The transfered element
860	<	* is returned by this associated take.
859	>	* transfer waits until a take occurs. The transferred element
860	>	* is returned by the associated take.
861		*/
862		public void testTransfer5() throws InterruptedException {
863	<	final LinkedTransferQueue<Integer> q
851	<	= new LinkedTransferQueue<Integer>();
863	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
864
865		Thread t = newStartedThread(new CheckedRunnable() {
866		public void realRun() throws InterruptedException {
#	Line 862 | Line 874 | public class LinkedTransferQueueTest ext
874		assertEquals(1, q.size());
875		assertSame(four, q.take());
876		checkEmpty(q);
877	<	awaitTermination(t, MEDIUM_DELAY_MS);
877	>	awaitTermination(t);
878		}
879
880		/**
#	Line 904 | Line 916 | public class LinkedTransferQueueTest ext
916		assertTrue(q.tryTransfer(hotPotato));
917		}});
918
919	<	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
919	>	long startTime = System.nanoTime();
920	>	assertSame(hotPotato, q.poll(LONG_DELAY_MS, MILLISECONDS));
921	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
922		checkEmpty(q);
923	<	awaitTermination(t, MEDIUM_DELAY_MS);
923	>	awaitTermination(t);
924		}
925
926		/**
#	Line 928 | Line 942 | public class LinkedTransferQueueTest ext
942
943		assertSame(q.take(), hotPotato);
944		checkEmpty(q);
945	<	awaitTermination(t, MEDIUM_DELAY_MS);
945	>	awaitTermination(t);
946		}
947
948		/**
#	Line 941 | Line 955 | public class LinkedTransferQueueTest ext
955
956		Thread t = newStartedThread(new CheckedRunnable() {
957		public void realRun() throws InterruptedException {
958	+	long startTime = System.nanoTime();
959		Thread.currentThread().interrupt();
960		try {
961	<	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
961	>	q.tryTransfer(new Object(), randomTimeout(), randomTimeUnit());
962		shouldThrow();
963		} catch (InterruptedException success) {}
964		assertFalse(Thread.interrupted());
#	Line 954 | Line 969 | public class LinkedTransferQueueTest ext
969		shouldThrow();
970		} catch (InterruptedException success) {}
971		assertFalse(Thread.interrupted());
972	+
973	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
974		}});
975
976		await(pleaseInterrupt);
977	<	assertThreadStaysAlive(t);
977	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
978		t.interrupt();
979		awaitTermination(t);
980		checkEmpty(q);
#	Line 971 | Line 988 | public class LinkedTransferQueueTest ext
988
989		Thread t = newStartedThread(new CheckedRunnable() {
990		public void realRun() throws InterruptedException {
991	<	long t0 = System.nanoTime();
991	>	long startTime = System.nanoTime();
992		assertFalse(q.tryTransfer(new Object(),
993		timeoutMillis(), MILLISECONDS));
994	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
994	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
995		checkEmpty(q);
996		}});
997
#	Line 992 | Line 1009 | public class LinkedTransferQueueTest ext
1009
1010		Thread t = newStartedThread(new CheckedRunnable() {
1011		public void realRun() throws InterruptedException {
1012	<	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1012	>	long startTime = System.nanoTime();
1013	>	assertTrue(q.tryTransfer(five, LONG_DELAY_MS, MILLISECONDS));
1014	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1015		checkEmpty(q);
1016		}});
1017
#	Line 1002 | Line 1021 | public class LinkedTransferQueueTest ext
1021		assertSame(four, q.poll());
1022		assertSame(five, q.poll());
1023		checkEmpty(q);
1024	<	awaitTermination(t, MEDIUM_DELAY_MS);
1024	>	awaitTermination(t);
1025		}
1026
1027		/**
#	Line 1013 | Line 1032 | public class LinkedTransferQueueTest ext
1032		final LinkedTransferQueue q = new LinkedTransferQueue();
1033		assertTrue(q.offer(four));
1034		assertEquals(1, q.size());
1035	<	long t0 = System.nanoTime();
1035	>	long startTime = System.nanoTime();
1036		assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS));
1037	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
1037	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1038		assertEquals(1, q.size());
1039		assertSame(four, q.poll());
1040		assertNull(q.poll());
#	Line 1023 | Line 1042 | public class LinkedTransferQueueTest ext
1042		}
1043
1044		private LinkedTransferQueue<Integer> populatedQueue(int n) {
1045	<	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
1045	>	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
1046		checkEmpty(q);
1047		for (int i = 0; i < n; i++) {
1048		assertEquals(i, q.size());

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