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

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.6 by dl, Sun Aug 2 12:31:24 2009 UTC vs.
Revision 1.22 by jsr166, Tue Dec 1 06:03:49 2009 UTC

#	Line 13 | Line 13 | import java.io.ObjectInputStream;
13		import java.io.ObjectOutputStream;
14		import java.util.ArrayList;
15		import java.util.Arrays;
16	–	import java.util.ConcurrentModificationException;
16		import java.util.Iterator;
17	+	import java.util.List;
18		import java.util.NoSuchElementException;
19		import java.util.concurrent.*;
20	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
21		import junit.framework.Test;
22		import junit.framework.TestSuite;
23
24	+	@SuppressWarnings({"unchecked", "rawtypes"})
25		public class LinkedTransferQueueTest extends JSR166TestCase {
26
27		public static void main(String[] args) {
#	Line 30 | Line 32 | public class LinkedTransferQueueTest ext
32		return new TestSuite(LinkedTransferQueueTest.class);
33		}
34
35	+	void checkEmpty(LinkedTransferQueue q) throws InterruptedException {
36	+	assertTrue(q.isEmpty());
37	+	assertEquals(0, q.size());
38	+	assertNull(q.peek());
39	+	assertNull(q.poll());
40	+	assertNull(q.poll(0, MILLISECONDS));
41	+	assertEquals(q.toString(), "[]");
42	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
43	+	assertFalse(q.iterator().hasNext());
44	+	try {
45	+	q.element();
46	+	shouldThrow();
47	+	} catch (NoSuchElementException success) {}
48	+	try {
49	+	q.iterator().next();
50	+	shouldThrow();
51	+	} catch (NoSuchElementException success) {}
52	+	try {
53	+	q.remove();
54	+	shouldThrow();
55	+	} catch (NoSuchElementException success) {}
56	+	}
57	+
58		/**
59	<	* Constructor builds new queue with size being zero and empty being true
59	>	* Constructor builds new queue with size being zero and empty
60	>	* being true
61		*/
62		public void testConstructor1() {
63		assertEquals(0, new LinkedTransferQueue().size());
#	Line 39 | Line 65 | public class LinkedTransferQueueTest ext
65		}
66
67		/**
68	<	* Initializing constructor with null collection throws NullPointerException
68	>	* Initializing constructor with null collection throws
69	>	* NullPointerException
70		*/
71		public void testConstructor2() {
72		try {
73		new LinkedTransferQueue(null);
74		shouldThrow();
75	<	} catch (NullPointerException success) {
49	<	}
75	>	} catch (NullPointerException success) {}
76		}
77
78		/**
79	<	* Initializing from Collection of null elements throws NullPointerException
79	>	* Initializing from Collection of null elements throws
80	>	* NullPointerException
81		*/
82		public void testConstructor3() {
83		try {
84		Integer[] ints = new Integer[SIZE];
85	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
85	>	new LinkedTransferQueue(Arrays.asList(ints));
86		shouldThrow();
87	<	} catch (NullPointerException success) {
61	<	}
87	>	} catch (NullPointerException success) {}
88		}
89
90		/**
#	Line 71 | Line 97 | public class LinkedTransferQueueTest ext
97		for (int i = 0; i < SIZE - 1; ++i) {
98		ints[i] = i;
99		}
100	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
100	>	new LinkedTransferQueue(Arrays.asList(ints));
101		shouldThrow();
102	<	} catch (NullPointerException success) {
77	<	}
102	>	} catch (NullPointerException success) {}
103		}
104
105		/**
106		* Queue contains all elements of the collection it is initialized by
107		*/
108		public void testConstructor5() {
109	<	try {
110	<	Integer[] ints = new Integer[SIZE];
111	<	for (int i = 0; i < SIZE; ++i) {
112	<	ints[i] = i;
113	<	}
114	<	LinkedTransferQueue q = new LinkedTransferQueue(Arrays.asList(ints));
115	<	for (int i = 0; i < SIZE; ++i) {
116	<	assertEquals(ints[i], q.poll());
117	<	}
118	<	} finally {
109	>	Integer[] ints = new Integer[SIZE];
110	>	for (int i = 0; i < SIZE; ++i) {
111	>	ints[i] = i;
112	>	}
113	>	List intList = Arrays.asList(ints);
114	>	LinkedTransferQueue q
115	>	= new LinkedTransferQueue(intList);
116	>	assertEquals(q.size(), intList.size());
117	>	assertEquals(q.toString(), intList.toString());
118	>	assertTrue(Arrays.equals(q.toArray(),
119	>	intList.toArray()));
120	>	assertTrue(Arrays.equals(q.toArray(new Object[0]),
121	>	intList.toArray(new Object[0])));
122	>	assertTrue(Arrays.equals(q.toArray(new Object[SIZE]),
123	>	intList.toArray(new Object[SIZE])));
124	>	for (int i = 0; i < SIZE; ++i) {
125	>	assertEquals(ints[i], q.poll());
126		}
127		}
128
129		/**
130	<	* Remaining capacity never decrease nor increase on add or remove
130	>	* remainingCapacity() always returns Integer.MAX_VALUE
131		*/
132		public void testRemainingCapacity() {
133		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
#	Line 119 | Line 151 | public class LinkedTransferQueueTest ext
151		LinkedTransferQueue q = new LinkedTransferQueue();
152		q.offer(null);
153		shouldThrow();
154	<	} catch (NullPointerException success) {
123	<	}
154	>	} catch (NullPointerException success) {}
155		}
156
157		/**
#	Line 131 | Line 162 | public class LinkedTransferQueueTest ext
162		LinkedTransferQueue q = new LinkedTransferQueue();
163		q.add(null);
164		shouldThrow();
165	<	} catch (NullPointerException success) {
135	<	}
165	>	} catch (NullPointerException success) {}
166		}
167
168		/**
#	Line 143 | Line 173 | public class LinkedTransferQueueTest ext
173		LinkedTransferQueue q = new LinkedTransferQueue();
174		q.addAll(null);
175		shouldThrow();
176	<	} catch (NullPointerException success) {
147	<	}
176	>	} catch (NullPointerException success) {}
177		}
178
179		/**
#	Line 155 | Line 184 | public class LinkedTransferQueueTest ext
184		LinkedTransferQueue q = populatedQueue(SIZE);
185		q.addAll(q);
186		shouldThrow();
187	<	} catch (IllegalArgumentException success) {
159	<	}
187	>	} catch (IllegalArgumentException success) {}
188		}
189
190		/**
#	Line 168 | Line 196 | public class LinkedTransferQueueTest ext
196		Integer[] ints = new Integer[SIZE];
197		q.addAll(Arrays.asList(ints));
198		shouldThrow();
199	<	} catch (NullPointerException success) {
172	<	}
199	>	} catch (NullPointerException success) {}
200		}
201
202		/**
203	<	* addAll of a collection with any null elements throws NullPointerException after
204	<	* possibly adding some elements
203	>	* addAll of a collection with any null elements throws
204	>	* NullPointerException after possibly adding some elements
205		*/
206		public void testAddAll3() {
207		try {
#	Line 185 | Line 212 | public class LinkedTransferQueueTest ext
212		}
213		q.addAll(Arrays.asList(ints));
214		shouldThrow();
215	<	} catch (NullPointerException success) {
189	<	}
215	>	} catch (NullPointerException success) {}
216		}
217
218		/**
#	Line 223 | Line 249 | public class LinkedTransferQueueTest ext
249		public void testPut() {
250		LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
251		for (int i = 0; i < SIZE; ++i) {
252	+	assertEquals(q.size(), i);
253		q.put(i);
254		assertTrue(q.contains(i));
255		}
229	–	assertEquals(q.size(), SIZE);
256		}
257
258		/**
#	Line 244 | Line 270 | public class LinkedTransferQueueTest ext
270		*/
271		public void testTakeFromEmpty() throws InterruptedException {
272		final LinkedTransferQueue q = new LinkedTransferQueue();
273	<	Thread t = new Thread(new Runnable() {
274	<	public void run() {
275	<	try {
250	<	q.take();
251	<	threadShouldThrow();
252	<	} catch (InterruptedException success) {
253	<	} catch (Throwable ex) {
254	<	threadUnexpectedException(ex);
255	<	}
273	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
274	>	public void realRun() throws InterruptedException {
275	>	q.take();
276		}});
257	–	t.start();
277		Thread.sleep(SHORT_DELAY_MS);
278		t.interrupt();
279		t.join();
#	Line 264 | Line 283 | public class LinkedTransferQueueTest ext
283		* Take removes existing elements until empty, then blocks interruptibly
284		*/
285		public void testBlockingTake() throws InterruptedException {
286	<	Thread t = new Thread(new Runnable() {
287	<	public void run() {
286	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
287	>	Thread t = new Thread(new CheckedRunnable() {
288	>	public void realRun() throws InterruptedException {
289	>	for (int i = 0; i < SIZE; ++i) {
290	>	assertEquals(i, (int) q.take());
291	>	}
292		try {
270	–	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
271	–	for (int i = 0; i < SIZE; ++i) {
272	–	threadAssertEquals(i, (int) q.take());
273	–	}
293		q.take();
294	<	threadShouldThrow();
295	<	} catch (InterruptedException success) {
277	<	} catch (Throwable ex) {
278	<	threadUnexpectedException(ex);
279	<	}
294	>	shouldThrow();
295	>	} catch (InterruptedException success) {}
296		}});
297	+
298		t.start();
299		Thread.sleep(SHORT_DELAY_MS);
300		t.interrupt();
301		t.join();
302	+	checkEmpty(q);
303		}
304
305		/**
306		* poll succeeds unless empty
307		*/
308	<	public void testPoll() {
308	>	public void testPoll() throws InterruptedException {
309		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
310		for (int i = 0; i < SIZE; ++i) {
311		assertEquals(i, (int) q.poll());
312		}
313		assertNull(q.poll());
314	+	checkEmpty(q);
315		}
316
317		/**
#	Line 301 | Line 320 | public class LinkedTransferQueueTest ext
320		public void testTimedPoll0() throws InterruptedException {
321		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
322		for (int i = 0; i < SIZE; ++i) {
323	<	assertEquals(i, (int) q.poll(0, TimeUnit.MILLISECONDS));
323	>	assertEquals(i, (int) q.poll(0, MILLISECONDS));
324		}
325	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
325	>	assertNull(q.poll(0, MILLISECONDS));
326	>	checkEmpty(q);
327		}
328
329		/**
#	Line 312 | Line 332 | public class LinkedTransferQueueTest ext
332		public void testTimedPoll() throws InterruptedException {
333		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
334		for (int i = 0; i < SIZE; ++i) {
335	<	assertEquals(i, (int) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
335	>	long t0 = System.nanoTime();
336	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
337	>	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
338	>	assertTrue(millisElapsed < SMALL_DELAY_MS);
339		}
340	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
340	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
341	>	checkEmpty(q);
342		}
343
344		/**
#	Line 322 | Line 346 | public class LinkedTransferQueueTest ext
346		* returning timeout status
347		*/
348		public void testInterruptedTimedPoll() throws InterruptedException {
349	<	Thread t = new Thread(new Runnable() {
350	<	public void run() {
351	<	try {
352	<	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
353	<	for (int i = 0; i < SIZE; ++i) {
354	<	threadAssertEquals(i, (int) q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
355	<	}
356	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
357	<	} catch (InterruptedException success) {
334	<	} catch (Throwable ex) {
335	<	threadUnexpectedException(ex);
349	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
350	>	Thread t = newStartedThread(new CheckedRunnable() {
351	>	public void realRun() throws InterruptedException {
352	>	for (int i = 0; i < SIZE; ++i) {
353	>	long t0 = System.nanoTime();
354	>	threadAssertEquals(i, (int) q.poll(LONG_DELAY_MS,
355	>	MILLISECONDS));
356	>	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
357	>	assertTrue(millisElapsed < SMALL_DELAY_MS);
358		}
359	+	try {
360	+	q.poll(LONG_DELAY_MS, MILLISECONDS);
361	+	shouldThrow();
362	+	} catch (InterruptedException success) {}
363		}});
364	<	t.start();
365	<	Thread.sleep(SHORT_DELAY_MS);
364	>
365	>	Thread.sleep(SMALL_DELAY_MS);
366		t.interrupt();
367		t.join();
368	+	checkEmpty(q);
369		}
370
371		/**
#	Line 347 | Line 374 | public class LinkedTransferQueueTest ext
374		*/
375		public void testTimedPollWithOffer() throws InterruptedException {
376		final LinkedTransferQueue q = new LinkedTransferQueue();
377	<	Thread t = new Thread(new Runnable() {
378	<	public void run() {
377	>	Thread t = new Thread(new CheckedRunnable() {
378	>	public void realRun() throws InterruptedException {
379	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
380	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
381		try {
382	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
383	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
384	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
356	<	threadShouldThrow();
357	<	} catch (InterruptedException success) {
358	<	} catch (Throwable ex) {
359	<	threadUnexpectedException(ex);
360	<	}
382	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
383	>	shouldThrow();
384	>	} catch (InterruptedException success) {}
385		}});
386	+
387		t.start();
388		Thread.sleep(SMALL_DELAY_MS);
389	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
389	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
390		t.interrupt();
391		t.join();
392		}
#	Line 369 | Line 394 | public class LinkedTransferQueueTest ext
394		/**
395		* peek returns next element, or null if empty
396		*/
397	<	public void testPeek() {
397	>	public void testPeek() throws InterruptedException {
398		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
399		for (int i = 0; i < SIZE; ++i) {
400		assertEquals(i, (int) q.peek());
#	Line 378 | Line 403 | public class LinkedTransferQueueTest ext
403		i != (int) q.peek());
404		}
405		assertNull(q.peek());
406	+	checkEmpty(q);
407		}
408
409		/**
410		* element returns next element, or throws NoSuchElementException if empty
411		*/
412	<	public void testElement() {
412	>	public void testElement() throws InterruptedException {
413		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
414		for (int i = 0; i < SIZE; ++i) {
415		assertEquals(i, (int) q.element());
#	Line 392 | Line 418 | public class LinkedTransferQueueTest ext
418		try {
419		q.element();
420		shouldThrow();
421	<	} catch (NoSuchElementException success) {
422	<	}
421	>	} catch (NoSuchElementException success) {}
422	>	checkEmpty(q);
423		}
424
425		/**
426		* remove removes next element, or throws NoSuchElementException if empty
427		*/
428	<	public void testRemove() {
428	>	public void testRemove() throws InterruptedException {
429		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
430		for (int i = 0; i < SIZE; ++i) {
431		assertEquals(i, (int) q.remove());
#	Line 407 | Line 433 | public class LinkedTransferQueueTest ext
433		try {
434		q.remove();
435		shouldThrow();
436	<	} catch (NoSuchElementException success) {
437	<	}
436	>	} catch (NoSuchElementException success) {}
437	>	checkEmpty(q);
438		}
439
440		/**
441		* remove(x) removes x and returns true if present
442		*/
443	<	public void testRemoveElement() {
443	>	public void testRemoveElement() throws InterruptedException {
444		LinkedTransferQueue q = populatedQueue(SIZE);
445		for (int i = 1; i < SIZE; i += 2) {
446		assertTrue(q.remove(i));
#	Line 423 | Line 449 | public class LinkedTransferQueueTest ext
449		assertTrue(q.remove(i));
450		assertFalse(q.remove(i + 1));
451		}
452	<	assertTrue(q.isEmpty());
452	>	checkEmpty(q);
453		}
454
455		/**
#	Line 436 | Line 462 | public class LinkedTransferQueueTest ext
462		assertTrue(q.remove(one));
463		assertTrue(q.remove(two));
464		assertTrue(q.add(three));
465	<	assertTrue(q.take() != null);
465	>	assertTrue(q.take() == three);
466		}
467
468		/**
#	Line 454 | Line 480 | public class LinkedTransferQueueTest ext
480		/**
481		* clear removes all elements
482		*/
483	<	public void testClear() {
483	>	public void testClear() throws InterruptedException {
484		LinkedTransferQueue q = populatedQueue(SIZE);
485		q.clear();
486	<	assertTrue(q.isEmpty());
461	<	assertEquals(0, q.size());
486	>	checkEmpty(q);
487		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
488		q.add(one);
489		assertFalse(q.isEmpty());
490	+	assertEquals(1, q.size());
491		assertTrue(q.contains(one));
492		q.clear();
493	<	assertTrue(q.isEmpty());
493	>	checkEmpty(q);
494		}
495
496		/**
#	Line 482 | Line 508 | public class LinkedTransferQueueTest ext
508		}
509
510		/**
511	<	* retainAll(c) retains only those elements of c and reports true if changed
511	>	* retainAll(c) retains only those elements of c and reports true
512	>	* if changed
513		*/
514		public void testRetainAll() {
515		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 501 | Line 528 | public class LinkedTransferQueueTest ext
528		}
529
530		/**
531	<	* removeAll(c) removes only those elements of c and reports true if changed
531	>	* removeAll(c) removes only those elements of c and reports true
532	>	* if changed
533		*/
534		public void testRemoveAll() {
535		for (int i = 1; i < SIZE; ++i) {
#	Line 516 | Line 544 | public class LinkedTransferQueueTest ext
544		}
545
546		/**
547	<	* toArray contains all elements
547	>	* toArray() contains all elements
548		*/
549		public void testToArray() throws InterruptedException {
550		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 542 | Line 570 | public class LinkedTransferQueueTest ext
570		* toArray(null) throws NullPointerException
571		*/
572		public void testToArray_BadArg() {
573	+	LinkedTransferQueue q = populatedQueue(SIZE);
574		try {
546	–	LinkedTransferQueue q = populatedQueue(SIZE);
575		Object o[] = q.toArray(null);
576		shouldThrow();
577	<	} catch (NullPointerException success) {
550	<	}
577	>	} catch (NullPointerException success) {}
578		}
579
580		/**
581	<	* toArray with incompatible array type throws CCE
581	>	* toArray(incompatible array type) throws CCE
582		*/
583		public void testToArray1_BadArg() {
584	+	LinkedTransferQueue q = populatedQueue(SIZE);
585		try {
558	–	LinkedTransferQueue q = populatedQueue(SIZE);
586		Object o[] = q.toArray(new String[10]);
587		shouldThrow();
588	<	} catch (ArrayStoreException success) {
562	<	}
588	>	} catch (ArrayStoreException success) {}
589		}
590
591		/**
#	Line 568 | Line 594 | public class LinkedTransferQueueTest ext
594		public void testIterator() throws InterruptedException {
595		LinkedTransferQueue q = populatedQueue(SIZE);
596		Iterator it = q.iterator();
597	+	int i = 0;
598		while (it.hasNext()) {
599	<	assertEquals(it.next(), q.take());
599	>	assertEquals(it.next(), i++);
600		}
601	+	assertEquals(i, SIZE);
602		}
603
604		/**
605	<	* iterator.remove removes current element
605	>	* iterator.remove() removes current element
606		*/
607		public void testIteratorRemove() {
608		final LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 596 | Line 624 | public class LinkedTransferQueueTest ext
624		* iterator ordering is FIFO
625		*/
626		public void testIteratorOrdering() {
627	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
627	>	final LinkedTransferQueue<Integer> q
628	>	= new LinkedTransferQueue<Integer>();
629		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
630		q.add(one);
631		q.add(two);
#	Line 643 | Line 672 | public class LinkedTransferQueueTest ext
672		q.add(one);
673		q.add(two);
674		ExecutorService executor = Executors.newFixedThreadPool(2);
675	<	executor.execute(new Runnable() {
676	<	public void run() {
677	<	try {
678	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
679	<	} catch (Throwable ex) {
651	<	threadUnexpectedException(ex);
652	<	}
675	>
676	>	executor.execute(new CheckedRunnable() {
677	>	public void realRun() {
678	>	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS,
679	>	MILLISECONDS));
680		}});
681
682	<	executor.execute(new Runnable() {
683	<	public void run() {
684	<	try {
685	<	Thread.sleep(SMALL_DELAY_MS);
659	<	threadAssertEquals(one, q.take());
660	<	} catch (Throwable ex) {
661	<	threadUnexpectedException(ex);
662	<	}
682	>	executor.execute(new CheckedRunnable() {
683	>	public void realRun() throws InterruptedException {
684	>	Thread.sleep(SMALL_DELAY_MS);
685	>	threadAssertEquals(one, q.take());
686		}});
687
688		joinPool(executor);
689		}
690
691		/**
692	<	* poll retrieves elements across Executor threads
692	>	* timed poll retrieves elements across Executor threads
693		*/
694		public void testPollInExecutor() {
695		final LinkedTransferQueue q = new LinkedTransferQueue();
696		ExecutorService executor = Executors.newFixedThreadPool(2);
697	<	executor.execute(new Runnable() {
698	<	public void run() {
699	<	try {
700	<	threadAssertNull(q.poll());
701	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
702	<	threadAssertTrue(q.isEmpty());
680	<	} catch (Throwable  ex) {
681	<	threadUnexpectedException(ex);
682	<	}
697	>
698	>	executor.execute(new CheckedRunnable() {
699	>	public void realRun() throws InterruptedException {
700	>	assertNull(q.poll());
701	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
702	>	assertTrue(q.isEmpty());
703		}});
704
705	<	executor.execute(new Runnable() {
706	<	public void run() {
707	<	try {
708	<	Thread.sleep(SMALL_DELAY_MS);
689	<	q.put(one);
690	<	} catch (Throwable ex) {
691	<	threadUnexpectedException(ex);
692	<	}
705	>	executor.execute(new CheckedRunnable() {
706	>	public void realRun() throws InterruptedException {
707	>	Thread.sleep(SMALL_DELAY_MS);
708	>	q.put(one);
709		}});
710
711		joinPool(executor);
#	Line 702 | Line 718 | public class LinkedTransferQueueTest ext
718		LinkedTransferQueue q = populatedQueue(SIZE);
719
720		ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
721	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
721	>	ObjectOutputStream out
722	>	= new ObjectOutputStream(new BufferedOutputStream(bout));
723		out.writeObject(q);
724		out.close();
725
726	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
727	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
726	>	ByteArrayInputStream bin
727	>	= new ByteArrayInputStream(bout.toByteArray());
728	>	ObjectInputStream in
729	>	= new ObjectInputStream(new BufferedInputStream(bin));
730		LinkedTransferQueue r = (LinkedTransferQueue) in.readObject();
731
732		assertEquals(q.size(), r.size());
#	Line 724 | Line 743 | public class LinkedTransferQueueTest ext
743		try {
744		q.drainTo(null);
745		shouldThrow();
746	<	} catch (NullPointerException success) {
728	<	}
746	>	} catch (NullPointerException success) {}
747		}
748
749		/**
#	Line 736 | Line 754 | public class LinkedTransferQueueTest ext
754		try {
755		q.drainTo(q);
756		shouldThrow();
757	<	} catch (IllegalArgumentException success) {
740	<	}
757	>	} catch (IllegalArgumentException success) {}
758		}
759
760		/**
#	Line 767 | Line 784 | public class LinkedTransferQueueTest ext
784		}
785
786		/**
787	<	* drainTo empties full queue, unblocking a waiting put.
787	>	* drainTo(c) empties full queue, unblocking a waiting put.
788		*/
789		public void testDrainToWithActivePut() throws InterruptedException {
790		final LinkedTransferQueue q = populatedQueue(SIZE);
791	<	Thread t = new Thread(new Runnable() {
792	<	public void run() {
793	<	try {
777	<	q.put(SIZE + 1);
778	<	} catch (Throwable ex) {
779	<	threadUnexpectedException(ex);
780	<	}
791	>	Thread t = newStartedThread(new CheckedRunnable() {
792	>	public void realRun() {
793	>	q.put(SIZE + 1);
794		}});
782	–	t.start();
795		ArrayList l = new ArrayList();
796		q.drainTo(l);
797		assertTrue(l.size() >= SIZE);
#	Line 796 | Line 808 | public class LinkedTransferQueueTest ext
808		public void testDrainToNullN() {
809		LinkedTransferQueue q = populatedQueue(SIZE);
810		try {
811	<	q.drainTo(null, 0);
811	>	q.drainTo(null, SIZE);
812		shouldThrow();
813	<	} catch (NullPointerException success) {
802	<	}
813	>	} catch (NullPointerException success) {}
814		}
815
816		/**
#	Line 808 | Line 819 | public class LinkedTransferQueueTest ext
819		public void testDrainToSelfN() {
820		LinkedTransferQueue q = populatedQueue(SIZE);
821		try {
822	<	q.drainTo(q, 0);
822	>	q.drainTo(q, SIZE);
823		shouldThrow();
824	<	} catch (IllegalArgumentException success) {
814	<	}
824	>	} catch (IllegalArgumentException success) {}
825		}
826
827		/**
#	Line 837 | Line 847 | public class LinkedTransferQueueTest ext
847		}
848
849		/**
850	<	* poll and take decrement the waiting consumer count
850	>	* timed poll() or take() increments the waiting consumer count;
851	>	* offer(e) decrements the waiting consumer count
852		*/
853		public void testWaitingConsumer() throws InterruptedException {
854		final LinkedTransferQueue q = new LinkedTransferQueue();
855	<	final ConsumerObserver waiting = new ConsumerObserver();
856	<	new Thread(new Runnable() {
857	<	public void run() {
858	<	try {
859	<	threadAssertTrue(q.hasWaitingConsumer());
860	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
861	<	threadAssertTrue(q.offer(new Object()));
862	<	} catch (Throwable ex) {
863	<	threadUnexpectedException(ex);
864	<	}
865	<	}}).start();
866	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null);
867	<	assertTrue(q.getWaitingConsumerCount() < waiting.getWaitingConsumers());
855	>	assertEquals(q.getWaitingConsumerCount(), 0);
856	>	assertFalse(q.hasWaitingConsumer());
857	>
858	>	Thread t = newStartedThread(new CheckedRunnable() {
859	>	public void realRun() throws InterruptedException {
860	>	Thread.sleep(SMALL_DELAY_MS);
861	>	assertTrue(q.hasWaitingConsumer());
862	>	assertEquals(q.getWaitingConsumerCount(), 1);
863	>	assertTrue(q.offer(one));
864	>	assertFalse(q.hasWaitingConsumer());
865	>	assertEquals(q.getWaitingConsumerCount(), 0);
866	>	}});
867	>
868	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
869	>	assertEquals(q.getWaitingConsumerCount(), 0);
870	>	assertFalse(q.hasWaitingConsumer());
871	>	t.join();
872		}
873
874		/**
#	Line 864 | Line 879 | public class LinkedTransferQueueTest ext
879		LinkedTransferQueue q = new LinkedTransferQueue();
880		q.transfer(null);
881		shouldThrow();
882	<	} catch (NullPointerException ex) {
868	<	}
882	>	} catch (NullPointerException success) {}
883		}
884
885		/**
#	Line 873 | Line 887 | public class LinkedTransferQueueTest ext
887		* is returned by this associated poll.
888		*/
889		public void testTransfer2() throws InterruptedException {
890	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
890	>	final LinkedTransferQueue<Integer> q
891	>	= new LinkedTransferQueue<Integer>();
892
893	<	new Thread(new Runnable() {
894	<	public void run() {
895	<	try {
896	<	q.transfer(SIZE);
897	<	threadAssertTrue(q.isEmpty());
883	<	} catch (Throwable ex) {
884	<	threadUnexpectedException(ex);
885	<	}
886	<	}}).start();
893	>	Thread t = newStartedThread(new CheckedRunnable() {
894	>	public void realRun() throws InterruptedException {
895	>	q.transfer(SIZE);
896	>	threadAssertTrue(q.isEmpty());
897	>	}});
898
899		Thread.sleep(SHORT_DELAY_MS);
900		assertEquals(1, q.size());
901		assertEquals(SIZE, (int) q.poll());
902		assertTrue(q.isEmpty());
903	+	t.join();
904		}
905
906		/**
907		* transfer waits until a poll occurs, and then transfers in fifo order
908		*/
909		public void testTransfer3() throws InterruptedException {
910	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
910	>	final LinkedTransferQueue<Integer> q
911	>	= new LinkedTransferQueue<Integer>();
912
913	<	Thread first =
914	<	new Thread(new Runnable() {
915	<	public void run() {
916	<	try {
917	<	Integer i = SIZE + 1;
918	<	q.transfer(i);
919	<	threadAssertTrue(!q.contains(i));
907	<	threadAssertEquals(1, q.size());
908	<	} catch (Throwable ex) {
909	<	threadUnexpectedException(ex);
910	<	}
911	<	}});
912	<	first.start();
913	>	Thread first = newStartedThread(new CheckedRunnable() {
914	>	public void realRun() throws InterruptedException {
915	>	Integer i = SIZE + 1;
916	>	q.transfer(i);
917	>	threadAssertTrue(!q.contains(i));
918	>	threadAssertEquals(1, q.size());
919	>	}});
920
921	<	Thread interruptedThread =
922	<	new Thread(new Runnable() {
923	<	public void run() {
924	<	try {
925	<	while (q.size() == 0)
926	<	Thread.yield();
920	<	q.transfer(SIZE);
921	<	threadShouldThrow();
922	<	} catch (InterruptedException success) {
923	<	} catch (Throwable ex) {
924	<	threadUnexpectedException(ex);
925	<	}
921	>	Thread interruptedThread = newStartedThread(
922	>	new CheckedInterruptedRunnable() {
923	>	public void realRun() throws InterruptedException {
924	>	while (q.size() == 0)
925	>	Thread.yield();
926	>	q.transfer(SIZE);
927		}});
927	–	interruptedThread.start();
928
929		while (q.size() < 2)
930		Thread.yield();
#	Line 944 | Line 944 | public class LinkedTransferQueueTest ext
944		*/
945		public void testTransfer4() throws InterruptedException {
946		final LinkedTransferQueue q = new LinkedTransferQueue();
947	<	new Thread(new Runnable() {
948	<	public void run() {
949	<	try {
950	<	q.transfer(four);
951	<	threadAssertFalse(q.contains(four));
952	<	threadAssertEquals(three, q.poll());
953	<	} catch (Throwable ex) {
954	<	threadUnexpectedException(ex);
955	<	}
956	<	}}).start();
957	<	Thread.sleep(MEDIUM_DELAY_MS);
947	>
948	>	Thread t = newStartedThread(new CheckedRunnable() {
949	>	public void realRun() throws InterruptedException {
950	>	q.transfer(four);
951	>	threadAssertFalse(q.contains(four));
952	>	threadAssertEquals(three, q.poll());
953	>	}});
954	>
955	>	Thread.sleep(SHORT_DELAY_MS);
956		assertTrue(q.offer(three));
957		assertEquals(four, q.poll());
958	+	t.join();
959		}
960
961		/**
#	Line 964 | Line 963 | public class LinkedTransferQueueTest ext
963		* is returned by this associated take.
964		*/
965		public void testTransfer5() throws InterruptedException {
966	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
966	>	final LinkedTransferQueue<Integer> q
967	>	= new LinkedTransferQueue<Integer>();
968
969	<	new Thread(new Runnable() {
970	<	public void run() {
971	<	try {
972	<	q.transfer(SIZE);
973	<	threadAssertTrue(q.isEmpty());
974	<	} catch (Throwable ex) {
975	<	threadUnexpectedException(ex);
976	<	}
977	<	}}).start();
969	>	Thread t = newStartedThread(new CheckedRunnable() {
970	>	public void realRun() throws InterruptedException {
971	>	q.transfer(SIZE);
972	>	checkEmpty(q);
973	>	}});
974
975		Thread.sleep(SHORT_DELAY_MS);
976		assertEquals(SIZE, (int) q.take());
977	<	assertTrue(q.isEmpty());
977	>	checkEmpty(q);
978	>	t.join();
979		}
980
981		/**
#	Line 988 | Line 985 | public class LinkedTransferQueueTest ext
985		try {
986		final LinkedTransferQueue q = new LinkedTransferQueue();
987		q.tryTransfer(null);
988	<	this.shouldThrow();
989	<	} catch (NullPointerException ex) {
993	<	}
988	>	shouldThrow();
989	>	} catch (NullPointerException success) {}
990		}
991
992		/**
993		* tryTransfer returns false and does not enqueue if there are no
994		* consumers waiting to poll or take.
995		*/
996	<	public void testTryTransfer2() {
996	>	public void testTryTransfer2() throws InterruptedException {
997		final LinkedTransferQueue q = new LinkedTransferQueue();
998		assertFalse(q.tryTransfer(new Object()));
999		assertFalse(q.hasWaitingConsumer());
1000	<	assertTrue(q.isEmpty());
1005	<	assertEquals(0, q.size());
1000	>	checkEmpty(q);
1001		}
1002
1003		/**
#	Line 1012 | Line 1007 | public class LinkedTransferQueueTest ext
1007		public void testTryTransfer3() throws InterruptedException {
1008		final Object hotPotato = new Object();
1009		final LinkedTransferQueue q = new LinkedTransferQueue();
1010	<	new Thread(new Runnable() {
1011	<	public void run() {
1012	<	try {
1013	<	while (! q.hasWaitingConsumer())
1014	<	Thread.yield();
1015	<	threadAssertTrue(q.hasWaitingConsumer());
1016	<	threadAssertTrue(q.isEmpty());
1017	<	threadAssertTrue(q.size() == 0);
1018	<	threadAssertTrue(q.tryTransfer(hotPotato));
1019	<	} catch (Throwable ex) {
1020	<	threadUnexpectedException(ex);
1021	<	}
1022	<	}}).start();
1023	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) == hotPotato);
1029	<	assertTrue(q.isEmpty());
1010	>
1011	>	Thread t = newStartedThread(new CheckedRunnable() {
1012	>	public void realRun() {
1013	>	while (! q.hasWaitingConsumer())
1014	>	Thread.yield();
1015	>	threadAssertTrue(q.hasWaitingConsumer());
1016	>	threadAssertTrue(q.isEmpty());
1017	>	threadAssertTrue(q.size() == 0);
1018	>	threadAssertTrue(q.tryTransfer(hotPotato));
1019	>	}});
1020	>
1021	>	assertTrue(q.poll(MEDIUM_DELAY_MS, MILLISECONDS) == hotPotato);
1022	>	checkEmpty(q);
1023	>	t.join();
1024		}
1025
1026		/**
#	Line 1036 | Line 1030 | public class LinkedTransferQueueTest ext
1030		public void testTryTransfer4() throws InterruptedException {
1031		final Object hotPotato = new Object();
1032		final LinkedTransferQueue q = new LinkedTransferQueue();
1033	<	new Thread(new Runnable() {
1034	<	public void run() {
1035	<	try {
1036	<	while (! q.hasWaitingConsumer())
1037	<	Thread.yield();
1038	<	threadAssertTrue(q.hasWaitingConsumer());
1039	<	threadAssertTrue(q.isEmpty());
1040	<	threadAssertTrue(q.size() == 0);
1041	<	threadAssertTrue(q.tryTransfer(hotPotato));
1042	<	} catch (Throwable ex) {
1043	<	threadUnexpectedException(ex);
1050	<	}
1051	<	}}).start();
1033	>
1034	>	Thread t = newStartedThread(new CheckedRunnable() {
1035	>	public void realRun() {
1036	>	while (! q.hasWaitingConsumer())
1037	>	Thread.yield();
1038	>	threadAssertTrue(q.hasWaitingConsumer());
1039	>	threadAssertTrue(q.isEmpty());
1040	>	threadAssertTrue(q.size() == 0);
1041	>	threadAssertTrue(q.tryTransfer(hotPotato));
1042	>	}});
1043	>
1044		assertTrue(q.take() == hotPotato);
1045	<	assertTrue(q.isEmpty());
1045	>	checkEmpty(q);
1046	>	t.join();
1047		}
1048
1049		/**
#	Line 1059 | Line 1052 | public class LinkedTransferQueueTest ext
1052		*/
1053		public void testTryTransfer5() throws InterruptedException {
1054		final LinkedTransferQueue q = new LinkedTransferQueue();
1055	<	Thread toInterrupt = new Thread(new Runnable() {
1056	<	public void run() {
1057	<	try {
1058	<	q.tryTransfer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
1066	<	threadShouldThrow();
1067	<	} catch (InterruptedException success) {
1068	<	} catch (Throwable ex) {
1069	<	threadUnexpectedException(ex);
1070	<	}
1055	>
1056	>	Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1057	>	public void realRun() throws InterruptedException {
1058	>	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1059		}});
1060	<	toInterrupt.start();
1060	>
1061		Thread.sleep(SMALL_DELAY_MS);
1062		toInterrupt.interrupt();
1063	+	toInterrupt.join();
1064		}
1065
1066		/**
#	Line 1079 | Line 1068 | public class LinkedTransferQueueTest ext
1068		*/
1069		public void testTryTransfer6() throws InterruptedException {
1070		final LinkedTransferQueue q = new LinkedTransferQueue();
1071	<	new Thread(new Runnable() {
1072	<	public void run() {
1073	<	try {
1074	<	threadAssertFalse(q.tryTransfer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1075	<	} catch (Throwable ex) {
1076	<	threadUnexpectedException(ex);
1077	<	}
1078	<	}}).start();
1079	<	Thread.sleep(LONG_DELAY_MS);
1080	<	assertTrue(q.isEmpty());
1071	>
1072	>	Thread t = newStartedThread(new CheckedRunnable() {
1073	>	public void realRun() throws InterruptedException {
1074	>	threadAssertFalse
1075	>	(q.tryTransfer(new Object(),
1076	>	SHORT_DELAY_MS, MILLISECONDS));
1077	>	}});
1078	>
1079	>	Thread.sleep(SMALL_DELAY_MS);
1080	>	checkEmpty(q);
1081	>	t.join();
1082		}
1083
1084		/**
#	Line 1098 | Line 1088 | public class LinkedTransferQueueTest ext
1088		public void testTryTransfer7() throws InterruptedException {
1089		final LinkedTransferQueue q = new LinkedTransferQueue();
1090		assertTrue(q.offer(four));
1091	<	new Thread(new Runnable() {
1092	<	public void run() {
1093	<	try {
1094	<	threadAssertTrue(q.tryTransfer(five, LONG_DELAY_MS, TimeUnit.MILLISECONDS));
1095	<	threadAssertTrue(q.isEmpty());
1096	<	} catch (Throwable ex) {
1097	<	threadUnexpectedException(ex);
1098	<	}
1109	<	}}).start();
1091	>
1092	>	Thread t = newStartedThread(new CheckedRunnable() {
1093	>	public void realRun() throws InterruptedException {
1094	>	threadAssertTrue(q.tryTransfer(five,
1095	>	MEDIUM_DELAY_MS, MILLISECONDS));
1096	>	threadAssertTrue(q.isEmpty());
1097	>	}});
1098	>
1099		Thread.sleep(SHORT_DELAY_MS);
1100		assertEquals(2, q.size());
1101		assertEquals(four, q.poll());
1102		assertEquals(five, q.poll());
1103	<	assertTrue(q.isEmpty());
1103	>	checkEmpty(q);
1104	>	t.join();
1105		}
1106
1107		/**
#	Line 1122 | Line 1112 | public class LinkedTransferQueueTest ext
1112		final LinkedTransferQueue q = new LinkedTransferQueue();
1113		assertTrue(q.offer(four));
1114		assertEquals(1, q.size());
1115	<	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1115	>	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1116		assertEquals(1, q.size());
1117		assertEquals(four, q.poll());
1128	–	threadAssertTrue(q.isEmpty());
1118		assertNull(q.poll());
1119	+	checkEmpty(q);
1120		}
1121
1122		private LinkedTransferQueue<Integer> populatedQueue(int n) {
#	Line 1140 | Line 1130 | public class LinkedTransferQueueTest ext
1130		assertFalse(q.isEmpty());
1131		return q;
1132		}
1143	–
1144	–	private static class ConsumerObserver {
1145	–
1146	–	private int waitingConsumers;
1147	–
1148	–	private ConsumerObserver() {
1149	–	}
1150	–
1151	–	private void setWaitingConsumer(int i) {
1152	–	this.waitingConsumers = i;
1153	–	}
1154	–
1155	–	private int getWaitingConsumers() {
1156	–	return waitingConsumers;
1157	–	}
1158	–	}
1133		}

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