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Comparing jsr166/src/test/tck/ArrayBlockingQueueTest.java (file contents):
Revision 1.26 by jsr166, Sun Nov 22 18:57:16 2009 UTC vs.
Revision 1.43 by jsr166, Tue Mar 15 19:47:06 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
#	Line 14 | Line 14 | import static java.util.concurrent.TimeU
14		import java.io.*;
15
16		public class ArrayBlockingQueueTest extends JSR166TestCase {
17	+
18	+	public static class Fair extends BlockingQueueTest {
19	+	protected BlockingQueue emptyCollection() {
20	+	return new ArrayBlockingQueue(20, true);
21	+	}
22	+	}
23	+
24	+	public static class NonFair extends BlockingQueueTest {
25	+	protected BlockingQueue emptyCollection() {
26	+	return new ArrayBlockingQueue(20, false);
27	+	}
28	+	}
29	+
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	junit.textui.TestRunner.run(suite());
32		}
33	+
34		public static Test suite() {
35	<	return new TestSuite(ArrayBlockingQueueTest.class);
35	>	return newTestSuite(ArrayBlockingQueueTest.class,
36	>	new Fair().testSuite(),
37	>	new NonFair().testSuite());
38		}
39
40		/**
41		* Create a queue of given size containing consecutive
42		* Integers 0 ... n.
43		*/
44	<	private ArrayBlockingQueue populatedQueue(int n) {
45	<	ArrayBlockingQueue q = new ArrayBlockingQueue(n);
44	>	private ArrayBlockingQueue<Integer> populatedQueue(int n) {
45	>	ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<Integer>(n);
46		assertTrue(q.isEmpty());
47		for (int i = 0; i < n; i++)
48		assertTrue(q.offer(new Integer(i)));
#	Line 145 | Line 161 | public class ArrayBlockingQueueTest exte
161		}
162
163		/**
164	<	*  offer(null) throws NPE
164	>	* offer(null) throws NPE
165		*/
166		public void testOfferNull() {
167		try {
#	Line 156 | Line 172 | public class ArrayBlockingQueueTest exte
172		}
173
174		/**
175	<	*  add(null) throws NPE
175	>	* add(null) throws NPE
176		*/
177		public void testAddNull() {
178		try {
#	Line 191 | Line 207 | public class ArrayBlockingQueueTest exte
207		}
208
209		/**
210	<	*  addAll(null) throws NPE
210	>	* addAll(null) throws NPE
211		*/
212		public void testAddAll1() {
213		try {
#	Line 214 | Line 230 | public class ArrayBlockingQueueTest exte
230
231
232		/**
233	<	*  addAll of a collection with null elements throws NPE
233	>	* addAll of a collection with null elements throws NPE
234		*/
235		public void testAddAll2() {
236		try {
#	Line 224 | Line 240 | public class ArrayBlockingQueueTest exte
240		shouldThrow();
241		} catch (NullPointerException success) {}
242		}
243	+
244		/**
245		* addAll of a collection with any null elements throws NPE after
246		* possibly adding some elements
#	Line 238 | Line 255 | public class ArrayBlockingQueueTest exte
255		shouldThrow();
256		} catch (NullPointerException success) {}
257		}
258	+
259		/**
260		* addAll throws ISE if not enough room
261		*/
#	Line 251 | Line 269 | public class ArrayBlockingQueueTest exte
269		shouldThrow();
270		} catch (IllegalStateException success) {}
271		}
272	+
273		/**
274		* Queue contains all elements, in traversal order, of successful addAll
275		*/
#	Line 267 | Line 286 | public class ArrayBlockingQueueTest exte
286		}
287
288		/**
289	<	*  put(null) throws NPE
289	>	* put(null) throws NPE
290		*/
291		public void testPutNull() throws InterruptedException {
292		try {
#	Line 319 | Line 338 | public class ArrayBlockingQueueTest exte
338		* put blocks waiting for take when full
339		*/
340		public void testPutWithTake() throws InterruptedException {
341	<	final ArrayBlockingQueue q = new ArrayBlockingQueue(2);
341	>	final int capacity = 2;
342	>	final ArrayBlockingQueue q = new ArrayBlockingQueue(capacity);
343		Thread t = new Thread(new CheckedRunnable() {
344	<	public void realRun() {
345	<	int added = 0;
344	>	public void realRun() throws InterruptedException {
345	>	for (int i = 0; i < capacity + 1; i++)
346	>	q.put(i);
347		try {
348	<	q.put(new Object());
349	<	++added;
350	<	q.put(new Object());
330	<	++added;
331	<	q.put(new Object());
332	<	++added;
333	<	q.put(new Object());
334	<	++added;
335	<	threadShouldThrow();
336	<	} catch (InterruptedException success) {
337	<	threadAssertTrue(added >= 2);
338	<	}
348	>	q.put(99);
349	>	shouldThrow();
350	>	} catch (InterruptedException success) {}
351		}});
352
353		t.start();
354		Thread.sleep(SHORT_DELAY_MS);
355	<	q.take();
355	>	assertEquals(q.remainingCapacity(), 0);
356	>	assertEquals(0, q.take());
357	>	Thread.sleep(SHORT_DELAY_MS);
358		t.interrupt();
359		t.join();
360	+	assertEquals(q.remainingCapacity(), 0);
361		}
362
363		/**
#	Line 378 | Line 393 | public class ArrayBlockingQueueTest exte
393		}
394
395		/**
381	–	* take blocks interruptibly when empty
382	–	*/
383	–	public void testTakeFromEmpty() throws InterruptedException {
384	–	final ArrayBlockingQueue q = new ArrayBlockingQueue(2);
385	–	Thread t = new ThreadShouldThrow(InterruptedException.class) {
386	–	public void realRun() throws InterruptedException {
387	–	q.take();
388	–	}};
389	–
390	–	t.start();
391	–	Thread.sleep(SHORT_DELAY_MS);
392	–	t.interrupt();
393	–	t.join();
394	–	}
395	–
396	–	/**
396		* Take removes existing elements until empty, then blocks interruptibly
397		*/
398		public void testBlockingTake() throws InterruptedException {
#	Line 428 | Line 427 | public class ArrayBlockingQueueTest exte
427		}
428
429		/**
430	<	* timed pool with zero timeout succeeds when non-empty, else times out
430	>	* timed poll with zero timeout succeeds when non-empty, else times out
431		*/
432		public void testTimedPoll0() throws InterruptedException {
433		ArrayBlockingQueue q = populatedQueue(SIZE);
#	Line 439 | Line 438 | public class ArrayBlockingQueueTest exte
438		}
439
440		/**
441	<	* timed pool with nonzero timeout succeeds when non-empty, else times out
441	>	* timed poll with nonzero timeout succeeds when non-empty, else times out
442		*/
443		public void testTimedPoll() throws InterruptedException {
444		ArrayBlockingQueue q = populatedQueue(SIZE);
#	Line 454 | Line 453 | public class ArrayBlockingQueueTest exte
453		* returning timeout status
454		*/
455		public void testInterruptedTimedPoll() throws InterruptedException {
456	<	Thread t = new Thread(new CheckedRunnable() {
456	>	final BlockingQueue<Integer> q = populatedQueue(SIZE);
457	>	final CountDownLatch aboutToWait = new CountDownLatch(1);
458	>	Thread t = newStartedThread(new CheckedRunnable() {
459		public void realRun() throws InterruptedException {
459	–	ArrayBlockingQueue q = populatedQueue(SIZE);
460		for (int i = 0; i < SIZE; ++i) {
461	<	assertEquals(i, q.poll(SHORT_DELAY_MS, MILLISECONDS));;
461	>	long t0 = System.nanoTime();
462	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
463	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
464		}
465	+	long t0 = System.nanoTime();
466	+	aboutToWait.countDown();
467		try {
468	<	q.poll(SMALL_DELAY_MS, MILLISECONDS);
465	<	shouldThrow();
466	<	} catch (InterruptedException success) {}
467	<	}});
468	<
469	<	t.start();
470	<	Thread.sleep(SHORT_DELAY_MS);
471	<	t.interrupt();
472	<	t.join();
473	<	}
474	<
475	<	/**
476	<	*  timed poll before a delayed offer fails; after offer succeeds;
477	<	*  on interruption throws
478	<	*/
479	<	public void testTimedPollWithOffer() throws InterruptedException {
480	<	final ArrayBlockingQueue q = new ArrayBlockingQueue(2);
481	<	Thread t = new Thread(new CheckedRunnable() {
482	<	public void realRun() throws InterruptedException {
483	<	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
484	<	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
485	<	try {
486	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
468	>	q.poll(MEDIUM_DELAY_MS, MILLISECONDS);
469		shouldThrow();
470	<	} catch (InterruptedException success) {}
470	>	} catch (InterruptedException success) {
471	>	assertTrue(millisElapsedSince(t0) < MEDIUM_DELAY_MS);
472	>	}
473		}});
474
475	<	t.start();
476	<	Thread.sleep(SMALL_DELAY_MS);
493	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
475	>	aboutToWait.await();
476	>	waitForThreadToEnterWaitState(t, SMALL_DELAY_MS);
477		t.interrupt();
478	<	t.join();
478	>	awaitTermination(t, MEDIUM_DELAY_MS);
479	>	checkEmpty(q);
480		}
481
498	–
482		/**
483		* peek returns next element, or null if empty
484		*/
#	Line 632 | Line 615 | public class ArrayBlockingQueueTest exte
615		}
616
617		/**
618	<	*  toArray contains all elements
618	>	* toArray contains all elements in FIFO order
619		*/
620	<	public void testToArray() throws InterruptedException {
620	>	public void testToArray() {
621		ArrayBlockingQueue q = populatedQueue(SIZE);
622		Object[] o = q.toArray();
623		for (int i = 0; i < o.length; i++)
624	<	assertEquals(o[i], q.take());
624	>	assertSame(o[i], q.poll());
625		}
626
627		/**
628	<	* toArray(a) contains all elements
628	>	* toArray(a) contains all elements in FIFO order
629		*/
630	<	public void testToArray2() throws InterruptedException {
631	<	ArrayBlockingQueue q = populatedQueue(SIZE);
630	>	public void testToArray2() {
631	>	ArrayBlockingQueue<Integer> q = populatedQueue(SIZE);
632		Integer[] ints = new Integer[SIZE];
633	<	ints = (Integer[])q.toArray(ints);
633	>	Integer[] array = q.toArray(ints);
634	>	assertSame(ints, array);
635		for (int i = 0; i < ints.length; i++)
636	<	assertEquals(ints[i], q.take());
636	>	assertSame(ints[i], q.poll());
637		}
638
639		/**
640	<	* toArray(null) throws NPE
640	>	* toArray(null) throws NullPointerException
641		*/
642	<	public void testToArray_BadArg() {
642	>	public void testToArray_NullArg() {
643		ArrayBlockingQueue q = populatedQueue(SIZE);
644		try {
645	<	Object o[] = q.toArray(null);
645	>	q.toArray(null);
646		shouldThrow();
647		} catch (NullPointerException success) {}
648		}
649
650		/**
651	<	* toArray with incompatible array type throws CCE
651	>	* toArray(incompatible array type) throws ArrayStoreException
652		*/
653		public void testToArray1_BadArg() {
654		ArrayBlockingQueue q = populatedQueue(SIZE);
655		try {
656	<	Object o[] = q.toArray(new String[10]);
656	>	q.toArray(new String[10]);
657		shouldThrow();
658		} catch (ArrayStoreException success) {}
659		}
#	Line 689 | Line 673 | public class ArrayBlockingQueueTest exte
673		/**
674		* iterator.remove removes current element
675		*/
676	<	public void testIteratorRemove () {
676	>	public void testIteratorRemove() {
677		final ArrayBlockingQueue q = new ArrayBlockingQueue(3);
678		q.add(two);
679		q.add(one);
#	Line 700 | Line 684 | public class ArrayBlockingQueueTest exte
684		it.remove();
685
686		it = q.iterator();
687	<	assertEquals(it.next(), one);
688	<	assertEquals(it.next(), three);
687	>	assertSame(it.next(), one);
688	>	assertSame(it.next(), three);
689		assertFalse(it.hasNext());
690		}
691
#	Line 726 | Line 710 | public class ArrayBlockingQueueTest exte
710		/**
711		* Modifications do not cause iterators to fail
712		*/
713	<	public void testWeaklyConsistentIteration () {
713	>	public void testWeaklyConsistentIteration() {
714		final ArrayBlockingQueue q = new ArrayBlockingQueue(3);
715		q.add(one);
716		q.add(two);
#	Line 761 | Line 745 | public class ArrayBlockingQueueTest exte
745		ExecutorService executor = Executors.newFixedThreadPool(2);
746		executor.execute(new CheckedRunnable() {
747		public void realRun() throws InterruptedException {
748	<	threadAssertFalse(q.offer(three));
749	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
750	<	threadAssertEquals(0, q.remainingCapacity());
748	>	assertFalse(q.offer(three));
749	>	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
750	>	assertEquals(0, q.remainingCapacity());
751		}});
752
753		executor.execute(new CheckedRunnable() {
754		public void realRun() throws InterruptedException {
755		Thread.sleep(SMALL_DELAY_MS);
756	<	threadAssertEquals(one, q.take());
756	>	assertSame(one, q.take());
757		}});
758
759		joinPool(executor);
776	–
760		}
761
762		/**
#	Line 784 | Line 767 | public class ArrayBlockingQueueTest exte
767		ExecutorService executor = Executors.newFixedThreadPool(2);
768		executor.execute(new CheckedRunnable() {
769		public void realRun() throws InterruptedException {
770	<	threadAssertNull(q.poll());
771	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
772	<	threadAssertTrue(q.isEmpty());
770	>	assertNull(q.poll());
771	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
772	>	assertTrue(q.isEmpty());
773		}});
774
775		executor.execute(new CheckedRunnable() {
#	Line 906 | Line 889 | public class ArrayBlockingQueueTest exte
889		}
890
891		/**
892	<	* drainTo(c, n) empties first max {n, size} elements of queue into c
892	>	* drainTo(c, n) empties first min(n, size) elements of queue into c
893		*/
894		public void testDrainToN() {
895		ArrayBlockingQueue q = new ArrayBlockingQueue(SIZE*2);
#	Line 915 | Line 898 | public class ArrayBlockingQueueTest exte
898		assertTrue(q.offer(new Integer(j)));
899		ArrayList l = new ArrayList();
900		q.drainTo(l, i);
901	<	int k = (i < SIZE)? i : SIZE;
901	>	int k = (i < SIZE) ? i : SIZE;
902		assertEquals(l.size(), k);
903		assertEquals(q.size(), SIZE-k);
904		for (int j = 0; j < k; ++j)

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