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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 1.76 by jsr166, Sun May 14 00:48:20 2017 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	>	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	<	}
291	<	long t0 = System.nanoTime();
292	<	aboutToWait.countDown();
287	>
288	>	pleaseInterrupt.countDown();
289		try {
290	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
290	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
291		shouldThrow();
292	<	} catch (InterruptedException success) {
293	<	assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
294	<	}
292	>	} catch (InterruptedException success) {}
293	>	assertFalse(Thread.interrupted());
294	>
295	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
296		}});
297
298	<	aboutToWait.await();
299	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
298	>	await(pleaseInterrupt);
299	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
300		t.interrupt();
301	<	awaitTermination(t, MEDIUM_DELAY_MS);
301	>	awaitTermination(t);
302		checkEmpty(q);
303		}
304
#	Line 313 | Line 310 | public class LinkedTransferQueueTest ext
310		final BlockingQueue<Integer> q = populatedQueue(SIZE);
311		Thread t = newStartedThread(new CheckedRunnable() {
312		public void realRun() throws InterruptedException {
313	+	long startTime = System.nanoTime();
314		Thread.currentThread().interrupt();
315	<	for (int i = 0; i < SIZE; ++i) {
318	<	long t0 = System.nanoTime();
315	>	for (int i = 0; i < SIZE; ++i)
316		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
320	–	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
321	–	}
317		try {
318	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
318	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
319		shouldThrow();
320		} catch (InterruptedException success) {}
321	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
322		}});
323
324	<	awaitTermination(t, MEDIUM_DELAY_MS);
324	>	awaitTermination(t);
325		checkEmpty(q);
326		}
327
#	Line 421 | Line 417 | public class LinkedTransferQueueTest ext
417		*/
418		public void testContainsAll() {
419		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
420	<	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<Integer>();
420	>	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<>();
421		for (int i = 0; i < SIZE; ++i) {
422		assertTrue(q.containsAll(p));
423		assertFalse(p.containsAll(q));
#	Line 550 | Line 546 | public class LinkedTransferQueueTest ext
546		* iterator ordering is FIFO
547		*/
548		public void testIteratorOrdering() {
549	<	final LinkedTransferQueue<Integer> q
554	<	= new LinkedTransferQueue<Integer>();
549	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
550		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
551		q.add(one);
552		q.add(two);
#	Line 596 | 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	<
601	<	executor.execute(new CheckedRunnable() {
602	<	public void realRun() throws InterruptedException {
603	<	threadsStarted.await();
604	<	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
605	<	}});
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 620 | 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);
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	<	assertNull(q.poll());
626	<	threadsStarted.await();
627	<	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
628	<	checkEmpty(q);
629	<	}});
630	<
631	<	executor.execute(new CheckedRunnable() {
634	<	public void realRun() throws InterruptedException {
635	<	threadsStarted.await();
636	<	q.put(one);
637	<	}});
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 697 | Line 696 | public class LinkedTransferQueueTest ext
696		assertTrue(l.size() >= SIZE);
697		for (int i = 0; i < SIZE; ++i)
698		assertEquals(i, l.get(i));
699	<	awaitTermination(t, MEDIUM_DELAY_MS);
699	>	awaitTermination(t);
700		assertTrue(q.size() + l.size() >= SIZE);
701		}
702
#	Line 734 | 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);
745	<	assertEquals(1, q.getWaitingConsumerCount());
746	<	assertTrue(q.hasWaitingConsumer());
744	>	Callable<Boolean> oneConsumer
745	>	= new Callable<Boolean>() { public Boolean call() {
746	>	return q.hasWaitingConsumer()
747	>	&& q.getWaitingConsumerCount() == 1; }};
748	>	waitForThreadToEnterWaitState(t, oneConsumer);
749
750		assertTrue(q.offer(one));
751		assertEquals(0, q.getWaitingConsumerCount());
752		assertFalse(q.hasWaitingConsumer());
753
754	<	awaitTermination(t, MEDIUM_DELAY_MS);
754	>	awaitTermination(t);
755		}
756
757		/**
#	Line 764 | Line 767 | public class LinkedTransferQueueTest ext
767
768		/**
769		* transfer waits until a poll occurs. The transfered element
770	<	* is returned by this associated poll.
770	>	* is returned by the associated poll.
771		*/
772		public void testTransfer2() throws InterruptedException {
773	<	final LinkedTransferQueue<Integer> q
771	<	= new LinkedTransferQueue<Integer>();
773	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
774		final CountDownLatch threadStarted = new CountDownLatch(1);
775
776		Thread t = newStartedThread(new CheckedRunnable() {
#	Line 779 | Line 781 | public class LinkedTransferQueueTest ext
781		}});
782
783		threadStarted.await();
784	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
785	<	assertEquals(1, q.size());
784	>	Callable<Boolean> oneElement
785	>	= new Callable<Boolean>() { public Boolean call() {
786	>	return !q.isEmpty() && q.size() == 1; }};
787	>	waitForThreadToEnterWaitState(t, oneElement);
788	>
789		assertSame(five, q.poll());
790		checkEmpty(q);
791	<	awaitTermination(t, MEDIUM_DELAY_MS);
791	>	awaitTermination(t);
792		}
793
794		/**
795		* transfer waits until a poll occurs, and then transfers in fifo order
796		*/
797		public void testTransfer3() throws InterruptedException {
798	<	final LinkedTransferQueue<Integer> q
794	<	= new LinkedTransferQueue<Integer>();
798	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
799
800		Thread first = newStartedThread(new CheckedRunnable() {
801		public void realRun() throws InterruptedException {
802		q.transfer(four);
803	<	assertTrue(!q.contains(four));
803	>	assertFalse(q.contains(four));
804		assertEquals(1, q.size());
805		}});
806
#	Line 839 | Line 843 | public class LinkedTransferQueueTest ext
843		assertEquals(1, q.size());
844		assertTrue(q.offer(three));
845		assertSame(four, q.poll());
846	<	awaitTermination(t, MEDIUM_DELAY_MS);
846	>	awaitTermination(t);
847		}
848
849		/**
850		* transfer waits until a take occurs. The transfered element
851	<	* is returned by this associated take.
851	>	* is returned by the associated take.
852		*/
853		public void testTransfer5() throws InterruptedException {
854	<	final LinkedTransferQueue<Integer> q
851	<	= new LinkedTransferQueue<Integer>();
854	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
855
856		Thread t = newStartedThread(new CheckedRunnable() {
857		public void realRun() throws InterruptedException {
#	Line 862 | Line 865 | public class LinkedTransferQueueTest ext
865		assertEquals(1, q.size());
866		assertSame(four, q.take());
867		checkEmpty(q);
868	<	awaitTermination(t, MEDIUM_DELAY_MS);
868	>	awaitTermination(t);
869		}
870
871		/**
#	Line 904 | Line 907 | public class LinkedTransferQueueTest ext
907		assertTrue(q.tryTransfer(hotPotato));
908		}});
909
910	<	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
910	>	long startTime = System.nanoTime();
911	>	assertSame(hotPotato, q.poll(LONG_DELAY_MS, MILLISECONDS));
912	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
913		checkEmpty(q);
914	<	awaitTermination(t, MEDIUM_DELAY_MS);
914	>	awaitTermination(t);
915		}
916
917		/**
#	Line 928 | Line 933 | public class LinkedTransferQueueTest ext
933
934		assertSame(q.take(), hotPotato);
935		checkEmpty(q);
936	<	awaitTermination(t, MEDIUM_DELAY_MS);
936	>	awaitTermination(t);
937		}
938
939		/**
#	Line 941 | Line 946 | public class LinkedTransferQueueTest ext
946
947		Thread t = newStartedThread(new CheckedRunnable() {
948		public void realRun() throws InterruptedException {
949	+	long startTime = System.nanoTime();
950		Thread.currentThread().interrupt();
951		try {
952		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
#	Line 954 | Line 960 | public class LinkedTransferQueueTest ext
960		shouldThrow();
961		} catch (InterruptedException success) {}
962		assertFalse(Thread.interrupted());
963	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
964		}});
965
966		await(pleaseInterrupt);
967	<	assertThreadStaysAlive(t);
967	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
968		t.interrupt();
969		awaitTermination(t);
970		checkEmpty(q);
#	Line 971 | Line 978 | public class LinkedTransferQueueTest ext
978
979		Thread t = newStartedThread(new CheckedRunnable() {
980		public void realRun() throws InterruptedException {
981	<	long t0 = System.nanoTime();
981	>	long startTime = System.nanoTime();
982		assertFalse(q.tryTransfer(new Object(),
983		timeoutMillis(), MILLISECONDS));
984	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
984	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
985		checkEmpty(q);
986		}});
987
#	Line 992 | Line 999 | public class LinkedTransferQueueTest ext
999
1000		Thread t = newStartedThread(new CheckedRunnable() {
1001		public void realRun() throws InterruptedException {
1002	<	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1002	>	long startTime = System.nanoTime();
1003	>	assertTrue(q.tryTransfer(five, LONG_DELAY_MS, MILLISECONDS));
1004	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1005		checkEmpty(q);
1006		}});
1007
#	Line 1002 | Line 1011 | public class LinkedTransferQueueTest ext
1011		assertSame(four, q.poll());
1012		assertSame(five, q.poll());
1013		checkEmpty(q);
1014	<	awaitTermination(t, MEDIUM_DELAY_MS);
1014	>	awaitTermination(t);
1015		}
1016
1017		/**
#	Line 1013 | Line 1022 | public class LinkedTransferQueueTest ext
1022		final LinkedTransferQueue q = new LinkedTransferQueue();
1023		assertTrue(q.offer(four));
1024		assertEquals(1, q.size());
1025	<	long t0 = System.nanoTime();
1025	>	long startTime = System.nanoTime();
1026		assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS));
1027	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
1027	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1028		assertEquals(1, q.size());
1029		assertSame(four, q.poll());
1030		assertNull(q.poll());
#	Line 1023 | Line 1032 | public class LinkedTransferQueueTest ext
1032		}
1033
1034		private LinkedTransferQueue<Integer> populatedQueue(int n) {
1035	<	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
1035	>	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
1036		checkEmpty(q);
1037		for (int i = 0; i < n; i++) {
1038		assertEquals(i, q.size());

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