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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.65 by jsr166, Tue Oct 6 00:36:55 2015 UTC vs.
Revision 1.84 by jsr166, Fri Sep 6 22:43:50 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	<	long startTime = System.nanoTime();
287	<	for (int i = 0; i < SIZE; ++i) {
284	>	for (int i = 0; i < SIZE; i++)
285		assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
286	<	}
287	<	aboutToWait.countDown();
286	>
287	>	Thread.currentThread().interrupt();
288		try {
289	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
289	>	q.poll(randomTimeout(), randomTimeUnit());
290		shouldThrow();
291	<	} catch (InterruptedException success) {
292	<	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
293	<	}
291	>	} catch (InterruptedException success) {}
292	>	assertFalse(Thread.interrupted());
293	>
294	>	pleaseInterrupt.countDown();
295	>	try {
296	>	q.poll(LONGER_DELAY_MS, MILLISECONDS);
297	>	shouldThrow();
298	>	} catch (InterruptedException success) {}
299	>	assertFalse(Thread.interrupted());
300		}});
301
302	<	aboutToWait.await();
303	<	waitForThreadToEnterWaitState(t, LONG_DELAY_MS);
302	>	await(pleaseInterrupt);
303	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
304		t.interrupt();
305		awaitTermination(t);
306		checkEmpty(q);
#	Line 312 | Line 315 | public class LinkedTransferQueueTest ext
315		Thread t = newStartedThread(new CheckedRunnable() {
316		public void realRun() throws InterruptedException {
317		Thread.currentThread().interrupt();
318	<	for (int i = 0; i < SIZE; ++i) {
319	<	long startTime = System.nanoTime();
317	<	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
318	<	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
319	<	}
318	>	for (int i = 0; i < SIZE; ++i)
319	>	assertEquals(i, (int) q.poll(randomTimeout(), randomTimeUnit()));
320		try {
321	<	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
321	>	q.poll(randomTimeout(), randomTimeUnit());
322		shouldThrow();
323		} catch (InterruptedException success) {}
324	+	assertFalse(Thread.interrupted());
325		}});
326
327	<	awaitTermination(t, MEDIUM_DELAY_MS);
327	>	awaitTermination(t);
328		checkEmpty(q);
329		}
330
#	Line 419 | Line 420 | public class LinkedTransferQueueTest ext
420		*/
421		public void testContainsAll() {
422		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
423	<	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<Integer>();
423	>	LinkedTransferQueue<Integer> p = new LinkedTransferQueue<>();
424		for (int i = 0; i < SIZE; ++i) {
425		assertTrue(q.containsAll(p));
426		assertFalse(p.containsAll(q));
#	Line 469 | Line 470 | public class LinkedTransferQueueTest ext
470		*/
471		public void testToArray() {
472		LinkedTransferQueue q = populatedQueue(SIZE);
473	<	Object[] o = q.toArray();
474	<	for (int i = 0; i < o.length; i++) {
475	<	assertSame(o[i], q.poll());
476	<	}
473	>	Object[] a = q.toArray();
474	>	assertSame(Object[].class, a.getClass());
475	>	for (Object o : a)
476	>	assertSame(o, q.poll());
477	>	assertTrue(q.isEmpty());
478		}
479
480		/**
#	Line 483 | Line 485 | public class LinkedTransferQueueTest ext
485		Integer[] ints = new Integer[SIZE];
486		Integer[] array = q.toArray(ints);
487		assertSame(ints, array);
488	<	for (int i = 0; i < ints.length; i++) {
489	<	assertSame(ints[i], q.poll());
490	<	}
488	>	for (Integer o : ints)
489	>	assertSame(o, q.poll());
490	>	assertTrue(q.isEmpty());
491		}
492
493		/**
#	Line 548 | Line 550 | public class LinkedTransferQueueTest ext
550		* iterator ordering is FIFO
551		*/
552		public void testIteratorOrdering() {
553	<	final LinkedTransferQueue<Integer> q
552	<	= new LinkedTransferQueue<Integer>();
553	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
554		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
555		q.add(one);
556		q.add(two);
#	Line 600 | Line 601 | public class LinkedTransferQueueTest ext
601		executor.execute(new CheckedRunnable() {
602		public void realRun() throws InterruptedException {
603		threadsStarted.await();
604	+	long startTime = System.nanoTime();
605		assertTrue(q.offer(one, LONG_DELAY_MS, MILLISECONDS));
606	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
607		}});
608
609		executor.execute(new CheckedRunnable() {
#	Line 625 | Line 628 | public class LinkedTransferQueueTest ext
628		public void realRun() throws InterruptedException {
629		assertNull(q.poll());
630		threadsStarted.await();
631	+	long startTime = System.nanoTime();
632		assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
633	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
634		checkEmpty(q);
635		}});
636
#	Line 638 | Line 643 | public class LinkedTransferQueueTest ext
643		}
644
645		/**
646	<	* A deserialized serialized queue has same elements in same order
646	>	* A deserialized/reserialized queue has same elements in same order
647		*/
648		public void testSerialization() throws Exception {
649		Queue x = populatedQueue(SIZE);
#	Line 695 | Line 700 | public class LinkedTransferQueueTest ext
700		assertTrue(l.size() >= SIZE);
701		for (int i = 0; i < SIZE; ++i)
702		assertEquals(i, l.get(i));
703	<	awaitTermination(t, MEDIUM_DELAY_MS);
703	>	awaitTermination(t);
704		assertTrue(q.size() + l.size() >= SIZE);
705		}
706
#	Line 732 | Line 737 | public class LinkedTransferQueueTest ext
737		Thread t = newStartedThread(new CheckedRunnable() {
738		public void realRun() throws InterruptedException {
739		threadStarted.countDown();
740	+	long startTime = System.nanoTime();
741		assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
742		assertEquals(0, q.getWaitingConsumerCount());
743		assertFalse(q.hasWaitingConsumer());
744	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
745		}});
746
747		threadStarted.await();
748	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
749	<	assertEquals(1, q.getWaitingConsumerCount());
750	<	assertTrue(q.hasWaitingConsumer());
748	>	Callable<Boolean> oneConsumer
749	>	= new Callable<Boolean>() { public Boolean call() {
750	>	return q.hasWaitingConsumer()
751	>	&& q.getWaitingConsumerCount() == 1; }};
752	>	waitForThreadToEnterWaitState(t, oneConsumer);
753
754		assertTrue(q.offer(one));
755		assertEquals(0, q.getWaitingConsumerCount());
756		assertFalse(q.hasWaitingConsumer());
757
758	<	awaitTermination(t, MEDIUM_DELAY_MS);
758	>	awaitTermination(t);
759		}
760
761		/**
#	Line 761 | Line 770 | public class LinkedTransferQueueTest ext
770		}
771
772		/**
773	<	* transfer waits until a poll occurs. The transfered element
774	<	* is returned by this associated poll.
773	>	* transfer waits until a poll occurs. The transferred element
774	>	* is returned by the associated poll.
775		*/
776		public void testTransfer2() throws InterruptedException {
777	<	final LinkedTransferQueue<Integer> q
769	<	= new LinkedTransferQueue<Integer>();
777	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
778		final CountDownLatch threadStarted = new CountDownLatch(1);
779
780		Thread t = newStartedThread(new CheckedRunnable() {
#	Line 777 | Line 785 | public class LinkedTransferQueueTest ext
785		}});
786
787		threadStarted.await();
788	<	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
789	<	assertEquals(1, q.size());
788	>	Callable<Boolean> oneElement
789	>	= new Callable<Boolean>() { public Boolean call() {
790	>	return !q.isEmpty() && q.size() == 1; }};
791	>	waitForThreadToEnterWaitState(t, oneElement);
792	>
793		assertSame(five, q.poll());
794		checkEmpty(q);
795	<	awaitTermination(t, MEDIUM_DELAY_MS);
795	>	awaitTermination(t);
796		}
797
798		/**
799		* transfer waits until a poll occurs, and then transfers in fifo order
800		*/
801		public void testTransfer3() throws InterruptedException {
802	<	final LinkedTransferQueue<Integer> q
792	<	= new LinkedTransferQueue<Integer>();
802	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
803
804		Thread first = newStartedThread(new CheckedRunnable() {
805		public void realRun() throws InterruptedException {
806		q.transfer(four);
807	<	assertTrue(!q.contains(four));
807	>	assertFalse(q.contains(four));
808		assertEquals(1, q.size());
809		}});
810
#	Line 837 | Line 847 | public class LinkedTransferQueueTest ext
847		assertEquals(1, q.size());
848		assertTrue(q.offer(three));
849		assertSame(four, q.poll());
850	<	awaitTermination(t, MEDIUM_DELAY_MS);
850	>	awaitTermination(t);
851		}
852
853		/**
854	<	* transfer waits until a take occurs. The transfered element
855	<	* is returned by this associated take.
854	>	* transfer waits until a take occurs. The transferred element
855	>	* is returned by the associated take.
856		*/
857		public void testTransfer5() throws InterruptedException {
858	<	final LinkedTransferQueue<Integer> q
849	<	= new LinkedTransferQueue<Integer>();
858	>	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
859
860		Thread t = newStartedThread(new CheckedRunnable() {
861		public void realRun() throws InterruptedException {
#	Line 860 | Line 869 | public class LinkedTransferQueueTest ext
869		assertEquals(1, q.size());
870		assertSame(four, q.take());
871		checkEmpty(q);
872	<	awaitTermination(t, MEDIUM_DELAY_MS);
872	>	awaitTermination(t);
873		}
874
875		/**
#	Line 902 | Line 911 | public class LinkedTransferQueueTest ext
911		assertTrue(q.tryTransfer(hotPotato));
912		}});
913
914	<	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
914	>	long startTime = System.nanoTime();
915	>	assertSame(hotPotato, q.poll(LONG_DELAY_MS, MILLISECONDS));
916	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
917		checkEmpty(q);
918	<	awaitTermination(t, MEDIUM_DELAY_MS);
918	>	awaitTermination(t);
919		}
920
921		/**
#	Line 926 | Line 937 | public class LinkedTransferQueueTest ext
937
938		assertSame(q.take(), hotPotato);
939		checkEmpty(q);
940	<	awaitTermination(t, MEDIUM_DELAY_MS);
940	>	awaitTermination(t);
941		}
942
943		/**
#	Line 939 | Line 950 | public class LinkedTransferQueueTest ext
950
951		Thread t = newStartedThread(new CheckedRunnable() {
952		public void realRun() throws InterruptedException {
953	+	long startTime = System.nanoTime();
954		Thread.currentThread().interrupt();
955		try {
956	<	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
956	>	q.tryTransfer(new Object(), randomTimeout(), randomTimeUnit());
957		shouldThrow();
958		} catch (InterruptedException success) {}
959		assertFalse(Thread.interrupted());
#	Line 952 | Line 964 | public class LinkedTransferQueueTest ext
964		shouldThrow();
965		} catch (InterruptedException success) {}
966		assertFalse(Thread.interrupted());
967	+
968	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
969		}});
970
971		await(pleaseInterrupt);
972	<	assertThreadStaysAlive(t);
972	>	if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING);
973		t.interrupt();
974		awaitTermination(t);
975		checkEmpty(q);
#	Line 990 | Line 1004 | public class LinkedTransferQueueTest ext
1004
1005		Thread t = newStartedThread(new CheckedRunnable() {
1006		public void realRun() throws InterruptedException {
1007	<	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1007	>	long startTime = System.nanoTime();
1008	>	assertTrue(q.tryTransfer(five, LONG_DELAY_MS, MILLISECONDS));
1009	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1010		checkEmpty(q);
1011		}});
1012
#	Line 1000 | Line 1016 | public class LinkedTransferQueueTest ext
1016		assertSame(four, q.poll());
1017		assertSame(five, q.poll());
1018		checkEmpty(q);
1019	<	awaitTermination(t, MEDIUM_DELAY_MS);
1019	>	awaitTermination(t);
1020		}
1021
1022		/**
#	Line 1021 | Line 1037 | public class LinkedTransferQueueTest ext
1037		}
1038
1039		private LinkedTransferQueue<Integer> populatedQueue(int n) {
1040	<	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
1040	>	LinkedTransferQueue<Integer> q = new LinkedTransferQueue<>();
1041		checkEmpty(q);
1042		for (int i = 0; i < n; i++) {
1043		assertEquals(i, q.size());

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