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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.61 by jsr166, Sat May 23 00:53:08 2015 UTC vs.
Revision 1.78 by jsr166, Sun May 14 01:30:34 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	–
28		public static class Generic extends BlockingQueueTest {
29		protected BlockingQueue emptyCollection() {
30		return new LinkedTransferQueue();
#	Line 36 | 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());
47	>	new Generic().testSuite(),
48	>	CollectionTest.testSuite(new Implementation()));
49		}
50
51		/**
#	Line 175 | 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 201 | 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) {
205	<	assertEquals(i, q.take());
206	<	}
212	>	for (int i = 0; i < SIZE; i++) assertEquals(i, q.take());
213
214		Thread.currentThread().interrupt();
215		try {
#	Line 221 | 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 255 | Line 261 | public class LinkedTransferQueueTest ext
261		*/
262		public void testTimedPoll() throws InterruptedException {
263		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	–	}
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 272 | 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	<	}
283	<	long t0 = System.nanoTime();
284	<	aboutToWait.countDown();
287	>
288	>	Thread.currentThread().interrupt();
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	>	pleaseInterrupt.countDown();
296	>	try {
297	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
298	>	shouldThrow();
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	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
307		t.interrupt();
308	<	awaitTermination(t, MEDIUM_DELAY_MS);
308	>	awaitTermination(t);
309		checkEmpty(q);
310		}
311
#	Line 305 | 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) {
310	<	long t0 = System.nanoTime();
322	>	for (int i = 0; i < SIZE; ++i)
323		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
312	–	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
313	–	}
324		try {
325	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
325	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
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 413 | 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 542 | Line 554 | public class LinkedTransferQueueTest ext
554		* iterator ordering is FIFO
555		*/
556		public void testIteratorOrdering() {
557	<	final LinkedTransferQueue<Integer> q
546	<	= new LinkedTransferQueue<Integer>();
557	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
558		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
559		q.add(one);
560		q.add(two);
#	Line 588 | Line 599 | public class LinkedTransferQueueTest ext
599		public void testOfferInExecutor() {
600		final LinkedTransferQueue q = new LinkedTransferQueue();
601		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
602	<	ExecutorService executor = Executors.newFixedThreadPool(2);
602	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
603	>	try (PoolCleaner cleaner = cleaner(executor)) {
604
605	<	executor.execute(new CheckedRunnable() {
606	<	public void realRun() throws InterruptedException {
607	<	threadsStarted.await();
608	<	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
609	<	}});
610	<
611	<	executor.execute(new CheckedRunnable() {
600	<	public void realRun() throws InterruptedException {
601	<	threadsStarted.await();
602	<	assertSame(one, q.take());
603	<	checkEmpty(q);
604	<	}});
605	>	executor.execute(new CheckedRunnable() {
606	>	public void realRun() throws InterruptedException {
607	>	threadsStarted.await();
608	>	long startTime = System.nanoTime();
609	>	assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
610	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
611	>	}});
612
613	<	joinPool(executor);
613	>	executor.execute(new CheckedRunnable() {
614	>	public void realRun() throws InterruptedException {
615	>	threadsStarted.await();
616	>	assertSame(one, q.take());
617	>	checkEmpty(q);
618	>	}});
619	>	}
620		}
621
622		/**
#	Line 612 | Line 625 | public class LinkedTransferQueueTest ext
625		public void testPollInExecutor() {
626		final LinkedTransferQueue q = new LinkedTransferQueue();
627		final CheckedBarrier threadsStarted = new CheckedBarrier(2);
628	<	ExecutorService executor = Executors.newFixedThreadPool(2);
628	>	final ExecutorService executor = Executors.newFixedThreadPool(2);
629	>	try (PoolCleaner cleaner = cleaner(executor)) {
630
631	<	executor.execute(new CheckedRunnable() {
632	<	public void realRun() throws InterruptedException {
633	<	assertNull(q.poll());
634	<	threadsStarted.await();
635	<	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
636	<	checkEmpty(q);
637	<	}});
638	<
639	<	executor.execute(new CheckedRunnable() {
626	<	public void realRun() throws InterruptedException {
627	<	threadsStarted.await();
628	<	q.put(one);
629	<	}});
631	>	executor.execute(new CheckedRunnable() {
632	>	public void realRun() throws InterruptedException {
633	>	assertNull(q.poll());
634	>	threadsStarted.await();
635	>	long startTime = System.nanoTime();
636	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
637	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
638	>	checkEmpty(q);
639	>	}});
640
641	<	joinPool(executor);
641	>	executor.execute(new CheckedRunnable() {
642	>	public void realRun() throws InterruptedException {
643	>	threadsStarted.await();
644	>	q.put(one);
645	>	}});
646	>	}
647		}
648
649		/**
#	Line 689 | Line 704 | public class LinkedTransferQueueTest ext
704		assertTrue(l.size() >= SIZE);
705		for (int i = 0; i < SIZE; ++i)
706		assertEquals(i, l.get(i));
707	<	awaitTermination(t, MEDIUM_DELAY_MS);
707	>	awaitTermination(t);
708		assertTrue(q.size() + l.size() >= SIZE);
709		}
710
#	Line 726 | Line 741 | public class LinkedTransferQueueTest ext
741		Thread t = newStartedThread(new CheckedRunnable() {
742		public void realRun() throws InterruptedException {
743		threadStarted.countDown();
744	+	long startTime = System.nanoTime();
745		assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
746		assertEquals(0, q.getWaitingConsumerCount());
747		assertFalse(q.hasWaitingConsumer());
748	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
749		}});
750
751		threadStarted.await();
752	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
753	<	assertEquals(1, q.getWaitingConsumerCount());
754	<	assertTrue(q.hasWaitingConsumer());
752	>	Callable<Boolean> oneConsumer
753	>	= new Callable<Boolean>() { public Boolean call() {
754	>	return q.hasWaitingConsumer()
755	>	&& q.getWaitingConsumerCount() == 1; }};
756	>	waitForThreadToEnterWaitState(t, oneConsumer);
757
758		assertTrue(q.offer(one));
759		assertEquals(0, q.getWaitingConsumerCount());
760		assertFalse(q.hasWaitingConsumer());
761
762	<	awaitTermination(t, MEDIUM_DELAY_MS);
762	>	awaitTermination(t);
763		}
764
765		/**
#	Line 756 | Line 775 | public class LinkedTransferQueueTest ext
775
776		/**
777		* transfer waits until a poll occurs. The transfered element
778	<	* is returned by this associated poll.
778	>	* is returned by the associated poll.
779		*/
780		public void testTransfer2() throws InterruptedException {
781	<	final LinkedTransferQueue<Integer> q
763	<	= new LinkedTransferQueue<Integer>();
781	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
782		final CountDownLatch threadStarted = new CountDownLatch(1);
783
784		Thread t = newStartedThread(new CheckedRunnable() {
#	Line 771 | Line 789 | public class LinkedTransferQueueTest ext
789		}});
790
791		threadStarted.await();
792	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
793	<	assertEquals(1, q.size());
792	>	Callable<Boolean> oneElement
793	>	= new Callable<Boolean>() { public Boolean call() {
794	>	return !q.isEmpty() && q.size() == 1; }};
795	>	waitForThreadToEnterWaitState(t, oneElement);
796	>
797		assertSame(five, q.poll());
798		checkEmpty(q);
799	<	awaitTermination(t, MEDIUM_DELAY_MS);
799	>	awaitTermination(t);
800		}
801
802		/**
803		* transfer waits until a poll occurs, and then transfers in fifo order
804		*/
805		public void testTransfer3() throws InterruptedException {
806	<	final LinkedTransferQueue<Integer> q
786	<	= new LinkedTransferQueue<Integer>();
806	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
807
808		Thread first = newStartedThread(new CheckedRunnable() {
809		public void realRun() throws InterruptedException {
810		q.transfer(four);
811	<	assertTrue(!q.contains(four));
811	>	assertFalse(q.contains(four));
812		assertEquals(1, q.size());
813		}});
814
#	Line 831 | Line 851 | public class LinkedTransferQueueTest ext
851		assertEquals(1, q.size());
852		assertTrue(q.offer(three));
853		assertSame(four, q.poll());
854	<	awaitTermination(t, MEDIUM_DELAY_MS);
854	>	awaitTermination(t);
855		}
856
857		/**
858		* transfer waits until a take occurs. The transfered element
859	<	* is returned by this associated take.
859	>	* is returned by the associated take.
860		*/
861		public void testTransfer5() throws InterruptedException {
862	<	final LinkedTransferQueue<Integer> q
843	<	= new LinkedTransferQueue<Integer>();
862	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
863
864		Thread t = newStartedThread(new CheckedRunnable() {
865		public void realRun() throws InterruptedException {
#	Line 854 | Line 873 | public class LinkedTransferQueueTest ext
873		assertEquals(1, q.size());
874		assertSame(four, q.take());
875		checkEmpty(q);
876	<	awaitTermination(t, MEDIUM_DELAY_MS);
876	>	awaitTermination(t);
877		}
878
879		/**
#	Line 896 | Line 915 | public class LinkedTransferQueueTest ext
915		assertTrue(q.tryTransfer(hotPotato));
916		}});
917
918	<	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
918	>	long startTime = System.nanoTime();
919	>	assertSame(hotPotato, q.poll(LONG_DELAY_MS, MILLISECONDS));
920	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
921		checkEmpty(q);
922	<	awaitTermination(t, MEDIUM_DELAY_MS);
922	>	awaitTermination(t);
923		}
924
925		/**
#	Line 920 | Line 941 | public class LinkedTransferQueueTest ext
941
942		assertSame(q.take(), hotPotato);
943		checkEmpty(q);
944	<	awaitTermination(t, MEDIUM_DELAY_MS);
944	>	awaitTermination(t);
945		}
946
947		/**
#	Line 933 | Line 954 | public class LinkedTransferQueueTest ext
954
955		Thread t = newStartedThread(new CheckedRunnable() {
956		public void realRun() throws InterruptedException {
957	+	long startTime = System.nanoTime();
958		Thread.currentThread().interrupt();
959		try {
960		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
#	Line 946 | Line 968 | public class LinkedTransferQueueTest ext
968		shouldThrow();
969		} catch (InterruptedException success) {}
970		assertFalse(Thread.interrupted());
971	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
972		}});
973
974		await(pleaseInterrupt);
975	<	assertThreadStaysAlive(t);
975	>	assertThreadBlocks(t, Thread.State.TIMED_WAITING);
976		t.interrupt();
977		awaitTermination(t);
978		checkEmpty(q);
#	Line 963 | Line 986 | public class LinkedTransferQueueTest ext
986
987		Thread t = newStartedThread(new CheckedRunnable() {
988		public void realRun() throws InterruptedException {
989	<	long t0 = System.nanoTime();
989	>	long startTime = System.nanoTime();
990		assertFalse(q.tryTransfer(new Object(),
991		timeoutMillis(), MILLISECONDS));
992	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
992	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
993		checkEmpty(q);
994		}});
995
#	Line 984 | Line 1007 | public class LinkedTransferQueueTest ext
1007
1008		Thread t = newStartedThread(new CheckedRunnable() {
1009		public void realRun() throws InterruptedException {
1010	<	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1010	>	long startTime = System.nanoTime();
1011	>	assertTrue(q.tryTransfer(five, LONG_DELAY_MS, MILLISECONDS));
1012	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1013		checkEmpty(q);
1014		}});
1015
#	Line 994 | Line 1019 | public class LinkedTransferQueueTest ext
1019		assertSame(four, q.poll());
1020		assertSame(five, q.poll());
1021		checkEmpty(q);
1022	<	awaitTermination(t, MEDIUM_DELAY_MS);
1022	>	awaitTermination(t);
1023		}
1024
1025		/**
#	Line 1005 | Line 1030 | public class LinkedTransferQueueTest ext
1030		final LinkedTransferQueue q = new LinkedTransferQueue();
1031		assertTrue(q.offer(four));
1032		assertEquals(1, q.size());
1033	<	long t0 = System.nanoTime();
1033	>	long startTime = System.nanoTime();
1034		assertFalse(q.tryTransfer(five, timeoutMillis(), MILLISECONDS));
1035	<	assertTrue(millisElapsedSince(t0) >= timeoutMillis());
1035	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
1036		assertEquals(1, q.size());
1037		assertSame(four, q.poll());
1038		assertNull(q.poll());
#	Line 1015 | Line 1040 | public class LinkedTransferQueueTest ext
1040		}
1041
1042		private LinkedTransferQueue<Integer> populatedQueue(int n) {
1043	<	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
1043	>	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
1044		checkEmpty(q);
1045		for (int i = 0; i < n; i++) {
1046		assertEquals(i, q.size());

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