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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 1.24 by jsr166, Tue Dec 1 09:56:28 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));
333	<	} 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	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
355	>	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
356	>	assertTrue(millisElapsed < SMALL_DELAY_MS);
357		}
358	+	try {
359	+	q.poll(LONG_DELAY_MS, MILLISECONDS);
360	+	shouldThrow();
361	+	} catch (InterruptedException success) {}
362		}});
363	<	t.start();
364	<	Thread.sleep(SHORT_DELAY_MS);
363	>
364	>	Thread.sleep(SMALL_DELAY_MS);
365		t.interrupt();
366		t.join();
367	+	checkEmpty(q);
368		}
369
370		/**
#	Line 347 | Line 373 | public class LinkedTransferQueueTest ext
373		*/
374		public void testTimedPollWithOffer() throws InterruptedException {
375		final LinkedTransferQueue q = new LinkedTransferQueue();
376	<	Thread t = new Thread(new Runnable() {
377	<	public void run() {
376	>	Thread t = new Thread(new CheckedRunnable() {
377	>	public void realRun() throws InterruptedException {
378	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
379	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
380		try {
381	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
382	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
383	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
356	<	threadShouldThrow();
357	<	} catch (InterruptedException success) {
358	<	} catch (Throwable ex) {
359	<	threadUnexpectedException(ex);
360	<	}
381	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
382	>	shouldThrow();
383	>	} catch (InterruptedException success) {}
384		}});
385	+
386		t.start();
387		Thread.sleep(SMALL_DELAY_MS);
388	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
388	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
389		t.interrupt();
390		t.join();
391		}
#	Line 369 | Line 393 | public class LinkedTransferQueueTest ext
393		/**
394		* peek returns next element, or null if empty
395		*/
396	<	public void testPeek() {
396	>	public void testPeek() throws InterruptedException {
397		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
398		for (int i = 0; i < SIZE; ++i) {
399		assertEquals(i, (int) q.peek());
#	Line 378 | Line 402 | public class LinkedTransferQueueTest ext
402		i != (int) q.peek());
403		}
404		assertNull(q.peek());
405	+	checkEmpty(q);
406		}
407
408		/**
409		* element returns next element, or throws NoSuchElementException if empty
410		*/
411	<	public void testElement() {
411	>	public void testElement() throws InterruptedException {
412		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
413		for (int i = 0; i < SIZE; ++i) {
414		assertEquals(i, (int) q.element());
#	Line 392 | Line 417 | public class LinkedTransferQueueTest ext
417		try {
418		q.element();
419		shouldThrow();
420	<	} catch (NoSuchElementException success) {
421	<	}
420	>	} catch (NoSuchElementException success) {}
421	>	checkEmpty(q);
422		}
423
424		/**
425		* remove removes next element, or throws NoSuchElementException if empty
426		*/
427	<	public void testRemove() {
427	>	public void testRemove() throws InterruptedException {
428		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
429		for (int i = 0; i < SIZE; ++i) {
430		assertEquals(i, (int) q.remove());
#	Line 407 | Line 432 | public class LinkedTransferQueueTest ext
432		try {
433		q.remove();
434		shouldThrow();
435	<	} catch (NoSuchElementException success) {
436	<	}
435	>	} catch (NoSuchElementException success) {}
436	>	checkEmpty(q);
437		}
438
439		/**
440		* remove(x) removes x and returns true if present
441		*/
442	<	public void testRemoveElement() {
442	>	public void testRemoveElement() throws InterruptedException {
443		LinkedTransferQueue q = populatedQueue(SIZE);
444		for (int i = 1; i < SIZE; i += 2) {
445		assertTrue(q.remove(i));
#	Line 423 | Line 448 | public class LinkedTransferQueueTest ext
448		assertTrue(q.remove(i));
449		assertFalse(q.remove(i + 1));
450		}
451	<	assertTrue(q.isEmpty());
451	>	checkEmpty(q);
452		}
453
454		/**
#	Line 436 | Line 461 | public class LinkedTransferQueueTest ext
461		assertTrue(q.remove(one));
462		assertTrue(q.remove(two));
463		assertTrue(q.add(three));
464	<	assertTrue(q.take() != null);
464	>	assertSame(q.take(), three);
465		}
466
467		/**
#	Line 454 | Line 479 | public class LinkedTransferQueueTest ext
479		/**
480		* clear removes all elements
481		*/
482	<	public void testClear() {
482	>	public void testClear() throws InterruptedException {
483		LinkedTransferQueue q = populatedQueue(SIZE);
484		q.clear();
485	<	assertTrue(q.isEmpty());
461	<	assertEquals(0, q.size());
485	>	checkEmpty(q);
486		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
487		q.add(one);
488		assertFalse(q.isEmpty());
489	+	assertEquals(1, q.size());
490		assertTrue(q.contains(one));
491		q.clear();
492	<	assertTrue(q.isEmpty());
492	>	checkEmpty(q);
493		}
494
495		/**
#	Line 482 | Line 507 | public class LinkedTransferQueueTest ext
507		}
508
509		/**
510	<	* retainAll(c) retains only those elements of c and reports true if changed
510	>	* retainAll(c) retains only those elements of c and reports true
511	>	* if changed
512		*/
513		public void testRetainAll() {
514		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 501 | Line 527 | public class LinkedTransferQueueTest ext
527		}
528
529		/**
530	<	* removeAll(c) removes only those elements of c and reports true if changed
530	>	* removeAll(c) removes only those elements of c and reports true
531	>	* if changed
532		*/
533		public void testRemoveAll() {
534		for (int i = 1; i < SIZE; ++i) {
#	Line 516 | Line 543 | public class LinkedTransferQueueTest ext
543		}
544
545		/**
546	<	* toArray contains all elements
546	>	* toArray() contains all elements
547		*/
548		public void testToArray() throws InterruptedException {
549		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 542 | Line 569 | public class LinkedTransferQueueTest ext
569		* toArray(null) throws NullPointerException
570		*/
571		public void testToArray_BadArg() {
572	+	LinkedTransferQueue q = populatedQueue(SIZE);
573		try {
546	–	LinkedTransferQueue q = populatedQueue(SIZE);
574		Object o[] = q.toArray(null);
575		shouldThrow();
576	<	} catch (NullPointerException success) {
550	<	}
576	>	} catch (NullPointerException success) {}
577		}
578
579		/**
580	<	* toArray with incompatible array type throws CCE
580	>	* toArray(incompatible array type) throws CCE
581		*/
582		public void testToArray1_BadArg() {
583	+	LinkedTransferQueue q = populatedQueue(SIZE);
584		try {
558	–	LinkedTransferQueue q = populatedQueue(SIZE);
585		Object o[] = q.toArray(new String[10]);
586		shouldThrow();
587	<	} catch (ArrayStoreException success) {
562	<	}
587	>	} catch (ArrayStoreException success) {}
588		}
589
590		/**
#	Line 568 | Line 593 | public class LinkedTransferQueueTest ext
593		public void testIterator() throws InterruptedException {
594		LinkedTransferQueue q = populatedQueue(SIZE);
595		Iterator it = q.iterator();
596	+	int i = 0;
597		while (it.hasNext()) {
598	<	assertEquals(it.next(), q.take());
598	>	assertEquals(it.next(), i++);
599		}
600	+	assertEquals(i, SIZE);
601		}
602
603		/**
604	<	* iterator.remove removes current element
604	>	* iterator.remove() removes current element
605		*/
606		public void testIteratorRemove() {
607		final LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 587 | Line 614 | public class LinkedTransferQueueTest ext
614		it.remove();
615
616		it = q.iterator();
617	<	assertEquals(it.next(), one);
618	<	assertEquals(it.next(), three);
617	>	assertSame(it.next(), one);
618	>	assertSame(it.next(), three);
619		assertFalse(it.hasNext());
620		}
621
#	Line 596 | Line 623 | public class LinkedTransferQueueTest ext
623		* iterator ordering is FIFO
624		*/
625		public void testIteratorOrdering() {
626	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
626	>	final LinkedTransferQueue<Integer> q
627	>	= new LinkedTransferQueue<Integer>();
628		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
629		q.add(one);
630		q.add(two);
#	Line 643 | Line 671 | public class LinkedTransferQueueTest ext
671		q.add(one);
672		q.add(two);
673		ExecutorService executor = Executors.newFixedThreadPool(2);
674	<	executor.execute(new Runnable() {
675	<	public void run() {
676	<	try {
677	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
650	<	} catch (Throwable ex) {
651	<	threadUnexpectedException(ex);
652	<	}
674	>
675	>	executor.execute(new CheckedRunnable() {
676	>	public void realRun() {
677	>	assertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
678		}});
679
680	<	executor.execute(new Runnable() {
681	<	public void run() {
682	<	try {
683	<	Thread.sleep(SMALL_DELAY_MS);
659	<	threadAssertEquals(one, q.take());
660	<	} catch (Throwable ex) {
661	<	threadUnexpectedException(ex);
662	<	}
680	>	executor.execute(new CheckedRunnable() {
681	>	public void realRun() throws InterruptedException {
682	>	Thread.sleep(SMALL_DELAY_MS);
683	>	assertSame(one, q.take());
684		}});
685
686		joinPool(executor);
687		}
688
689		/**
690	<	* poll retrieves elements across Executor threads
690	>	* timed poll retrieves elements across Executor threads
691		*/
692		public void testPollInExecutor() {
693		final LinkedTransferQueue q = new LinkedTransferQueue();
694		ExecutorService executor = Executors.newFixedThreadPool(2);
695	<	executor.execute(new Runnable() {
696	<	public void run() {
697	<	try {
698	<	threadAssertNull(q.poll());
699	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
700	<	threadAssertTrue(q.isEmpty());
680	<	} catch (Throwable  ex) {
681	<	threadUnexpectedException(ex);
682	<	}
695	>
696	>	executor.execute(new CheckedRunnable() {
697	>	public void realRun() throws InterruptedException {
698	>	assertNull(q.poll());
699	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
700	>	assertTrue(q.isEmpty());
701		}});
702
703	<	executor.execute(new Runnable() {
704	<	public void run() {
705	<	try {
706	<	Thread.sleep(SMALL_DELAY_MS);
689	<	q.put(one);
690	<	} catch (Throwable ex) {
691	<	threadUnexpectedException(ex);
692	<	}
703	>	executor.execute(new CheckedRunnable() {
704	>	public void realRun() throws InterruptedException {
705	>	Thread.sleep(SMALL_DELAY_MS);
706	>	q.put(one);
707		}});
708
709		joinPool(executor);
#	Line 702 | Line 716 | public class LinkedTransferQueueTest ext
716		LinkedTransferQueue q = populatedQueue(SIZE);
717
718		ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
719	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
719	>	ObjectOutputStream out
720	>	= new ObjectOutputStream(new BufferedOutputStream(bout));
721		out.writeObject(q);
722		out.close();
723
724	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
725	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
724	>	ByteArrayInputStream bin
725	>	= new ByteArrayInputStream(bout.toByteArray());
726	>	ObjectInputStream in
727	>	= new ObjectInputStream(new BufferedInputStream(bin));
728		LinkedTransferQueue r = (LinkedTransferQueue) in.readObject();
729
730		assertEquals(q.size(), r.size());
#	Line 724 | Line 741 | public class LinkedTransferQueueTest ext
741		try {
742		q.drainTo(null);
743		shouldThrow();
744	<	} catch (NullPointerException success) {
728	<	}
744	>	} catch (NullPointerException success) {}
745		}
746
747		/**
#	Line 736 | Line 752 | public class LinkedTransferQueueTest ext
752		try {
753		q.drainTo(q);
754		shouldThrow();
755	<	} catch (IllegalArgumentException success) {
740	<	}
755	>	} catch (IllegalArgumentException success) {}
756		}
757
758		/**
#	Line 767 | Line 782 | public class LinkedTransferQueueTest ext
782		}
783
784		/**
785	<	* drainTo empties full queue, unblocking a waiting put.
785	>	* drainTo(c) empties full queue, unblocking a waiting put.
786		*/
787		public void testDrainToWithActivePut() throws InterruptedException {
788		final LinkedTransferQueue q = populatedQueue(SIZE);
789	<	Thread t = new Thread(new Runnable() {
790	<	public void run() {
791	<	try {
777	<	q.put(SIZE + 1);
778	<	} catch (Throwable ex) {
779	<	threadUnexpectedException(ex);
780	<	}
789	>	Thread t = newStartedThread(new CheckedRunnable() {
790	>	public void realRun() {
791	>	q.put(SIZE + 1);
792		}});
782	–	t.start();
793		ArrayList l = new ArrayList();
794		q.drainTo(l);
795		assertTrue(l.size() >= SIZE);
#	Line 796 | Line 806 | public class LinkedTransferQueueTest ext
806		public void testDrainToNullN() {
807		LinkedTransferQueue q = populatedQueue(SIZE);
808		try {
809	<	q.drainTo(null, 0);
809	>	q.drainTo(null, SIZE);
810		shouldThrow();
811	<	} catch (NullPointerException success) {
802	<	}
811	>	} catch (NullPointerException success) {}
812		}
813
814		/**
#	Line 808 | Line 817 | public class LinkedTransferQueueTest ext
817		public void testDrainToSelfN() {
818		LinkedTransferQueue q = populatedQueue(SIZE);
819		try {
820	<	q.drainTo(q, 0);
820	>	q.drainTo(q, SIZE);
821		shouldThrow();
822	<	} catch (IllegalArgumentException success) {
814	<	}
822	>	} catch (IllegalArgumentException success) {}
823		}
824
825		/**
#	Line 837 | Line 845 | public class LinkedTransferQueueTest ext
845		}
846
847		/**
848	<	* poll and take decrement the waiting consumer count
848	>	* timed poll() or take() increments the waiting consumer count;
849	>	* offer(e) decrements the waiting consumer count
850		*/
851		public void testWaitingConsumer() throws InterruptedException {
852		final LinkedTransferQueue q = new LinkedTransferQueue();
853	<	final ConsumerObserver waiting = new ConsumerObserver();
854	<	new Thread(new Runnable() {
855	<	public void run() {
856	<	try {
857	<	threadAssertTrue(q.hasWaitingConsumer());
858	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
859	<	threadAssertTrue(q.offer(new Object()));
860	<	} catch (Throwable ex) {
861	<	threadUnexpectedException(ex);
862	<	}
863	<	}}).start();
864	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) != null);
865	<	assertTrue(q.getWaitingConsumerCount() < waiting.getWaitingConsumers());
853	>	assertEquals(q.getWaitingConsumerCount(), 0);
854	>	assertFalse(q.hasWaitingConsumer());
855	>
856	>	Thread t = newStartedThread(new CheckedRunnable() {
857	>	public void realRun() throws InterruptedException {
858	>	Thread.sleep(SMALL_DELAY_MS);
859	>	assertTrue(q.hasWaitingConsumer());
860	>	assertEquals(q.getWaitingConsumerCount(), 1);
861	>	assertTrue(q.offer(one));
862	>	assertFalse(q.hasWaitingConsumer());
863	>	assertEquals(q.getWaitingConsumerCount(), 0);
864	>	}});
865	>
866	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
867	>	assertEquals(q.getWaitingConsumerCount(), 0);
868	>	assertFalse(q.hasWaitingConsumer());
869	>	t.join();
870		}
871
872		/**
#	Line 864 | Line 877 | public class LinkedTransferQueueTest ext
877		LinkedTransferQueue q = new LinkedTransferQueue();
878		q.transfer(null);
879		shouldThrow();
880	<	} catch (NullPointerException ex) {
868	<	}
880	>	} catch (NullPointerException success) {}
881		}
882
883		/**
#	Line 873 | Line 885 | public class LinkedTransferQueueTest ext
885		* is returned by this associated poll.
886		*/
887		public void testTransfer2() throws InterruptedException {
888	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
888	>	final LinkedTransferQueue<Integer> q
889	>	= new LinkedTransferQueue<Integer>();
890
891	<	new Thread(new Runnable() {
892	<	public void run() {
893	<	try {
894	<	q.transfer(SIZE);
895	<	threadAssertTrue(q.isEmpty());
883	<	} catch (Throwable ex) {
884	<	threadUnexpectedException(ex);
885	<	}
886	<	}}).start();
891	>	Thread t = newStartedThread(new CheckedRunnable() {
892	>	public void realRun() throws InterruptedException {
893	>	q.transfer(SIZE);
894	>	assertTrue(q.isEmpty());
895	>	}});
896
897		Thread.sleep(SHORT_DELAY_MS);
898		assertEquals(1, q.size());
899		assertEquals(SIZE, (int) q.poll());
900		assertTrue(q.isEmpty());
901	+	t.join();
902		}
903
904		/**
905		* transfer waits until a poll occurs, and then transfers in fifo order
906		*/
907		public void testTransfer3() throws InterruptedException {
908	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
908	>	final LinkedTransferQueue<Integer> q
909	>	= new LinkedTransferQueue<Integer>();
910
911	<	Thread first =
912	<	new Thread(new Runnable() {
913	<	public void run() {
914	<	try {
915	<	Integer i = SIZE + 1;
916	<	q.transfer(i);
917	<	threadAssertTrue(!q.contains(i));
907	<	threadAssertEquals(1, q.size());
908	<	} catch (Throwable ex) {
909	<	threadUnexpectedException(ex);
910	<	}
911	<	}});
912	<	first.start();
911	>	Thread first = newStartedThread(new CheckedRunnable() {
912	>	public void realRun() throws InterruptedException {
913	>	Integer i = SIZE + 1;
914	>	q.transfer(i);
915	>	assertTrue(!q.contains(i));
916	>	assertEquals(1, q.size());
917	>	}});
918
919	<	Thread interruptedThread =
920	<	new Thread(new Runnable() {
921	<	public void run() {
922	<	try {
923	<	while (q.size() == 0)
924	<	Thread.yield();
920	<	q.transfer(SIZE);
921	<	threadShouldThrow();
922	<	} catch (InterruptedException success) {
923	<	} catch (Throwable ex) {
924	<	threadUnexpectedException(ex);
925	<	}
919	>	Thread interruptedThread = newStartedThread(
920	>	new CheckedInterruptedRunnable() {
921	>	public void realRun() throws InterruptedException {
922	>	while (q.size() == 0)
923	>	Thread.yield();
924	>	q.transfer(SIZE);
925		}});
927	–	interruptedThread.start();
926
927		while (q.size() < 2)
928		Thread.yield();
#	Line 944 | Line 942 | public class LinkedTransferQueueTest ext
942		*/
943		public void testTransfer4() throws InterruptedException {
944		final LinkedTransferQueue q = new LinkedTransferQueue();
945	<	new Thread(new Runnable() {
946	<	public void run() {
947	<	try {
948	<	q.transfer(four);
949	<	threadAssertFalse(q.contains(four));
950	<	threadAssertEquals(three, q.poll());
951	<	} catch (Throwable ex) {
952	<	threadUnexpectedException(ex);
953	<	}
956	<	}}).start();
957	<	Thread.sleep(MEDIUM_DELAY_MS);
945	>
946	>	Thread t = newStartedThread(new CheckedRunnable() {
947	>	public void realRun() throws InterruptedException {
948	>	q.transfer(four);
949	>	assertFalse(q.contains(four));
950	>	assertSame(three, q.poll());
951	>	}});
952	>
953	>	Thread.sleep(SHORT_DELAY_MS);
954		assertTrue(q.offer(three));
955	<	assertEquals(four, q.poll());
955	>	assertSame(four, q.poll());
956	>	t.join();
957		}
958
959		/**
#	Line 964 | Line 961 | public class LinkedTransferQueueTest ext
961		* is returned by this associated take.
962		*/
963		public void testTransfer5() throws InterruptedException {
964	<	final LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
964	>	final LinkedTransferQueue<Integer> q
965	>	= new LinkedTransferQueue<Integer>();
966
967	<	new Thread(new Runnable() {
968	<	public void run() {
969	<	try {
970	<	q.transfer(SIZE);
971	<	threadAssertTrue(q.isEmpty());
974	<	} catch (Throwable ex) {
975	<	threadUnexpectedException(ex);
976	<	}
977	<	}}).start();
967	>	Thread t = newStartedThread(new CheckedRunnable() {
968	>	public void realRun() throws InterruptedException {
969	>	q.transfer(SIZE);
970	>	checkEmpty(q);
971	>	}});
972
973		Thread.sleep(SHORT_DELAY_MS);
974		assertEquals(SIZE, (int) q.take());
975	<	assertTrue(q.isEmpty());
975	>	checkEmpty(q);
976	>	t.join();
977		}
978
979		/**
#	Line 988 | Line 983 | public class LinkedTransferQueueTest ext
983		try {
984		final LinkedTransferQueue q = new LinkedTransferQueue();
985		q.tryTransfer(null);
986	<	this.shouldThrow();
987	<	} catch (NullPointerException ex) {
993	<	}
986	>	shouldThrow();
987	>	} catch (NullPointerException success) {}
988		}
989
990		/**
991		* tryTransfer returns false and does not enqueue if there are no
992		* consumers waiting to poll or take.
993		*/
994	<	public void testTryTransfer2() {
994	>	public void testTryTransfer2() throws InterruptedException {
995		final LinkedTransferQueue q = new LinkedTransferQueue();
996		assertFalse(q.tryTransfer(new Object()));
997		assertFalse(q.hasWaitingConsumer());
998	<	assertTrue(q.isEmpty());
1005	<	assertEquals(0, q.size());
998	>	checkEmpty(q);
999		}
1000
1001		/**
#	Line 1012 | Line 1005 | public class LinkedTransferQueueTest ext
1005		public void testTryTransfer3() throws InterruptedException {
1006		final Object hotPotato = new Object();
1007		final LinkedTransferQueue q = new LinkedTransferQueue();
1008	<	new Thread(new Runnable() {
1009	<	public void run() {
1010	<	try {
1011	<	while (! q.hasWaitingConsumer())
1012	<	Thread.yield();
1013	<	threadAssertTrue(q.hasWaitingConsumer());
1014	<	threadAssertTrue(q.isEmpty());
1015	<	threadAssertTrue(q.size() == 0);
1016	<	threadAssertTrue(q.tryTransfer(hotPotato));
1017	<	} catch (Throwable ex) {
1018	<	threadUnexpectedException(ex);
1019	<	}
1020	<	}}).start();
1021	<	assertTrue(q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS) == hotPotato);
1029	<	assertTrue(q.isEmpty());
1008	>
1009	>	Thread t = newStartedThread(new CheckedRunnable() {
1010	>	public void realRun() {
1011	>	while (! q.hasWaitingConsumer())
1012	>	Thread.yield();
1013	>	assertTrue(q.hasWaitingConsumer());
1014	>	assertTrue(q.isEmpty());
1015	>	assertEquals(q.size(), 0);
1016	>	assertTrue(q.tryTransfer(hotPotato));
1017	>	}});
1018	>
1019	>	assertSame(hotPotato, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
1020	>	checkEmpty(q);
1021	>	t.join();
1022		}
1023
1024		/**
#	Line 1036 | Line 1028 | public class LinkedTransferQueueTest ext
1028		public void testTryTransfer4() throws InterruptedException {
1029		final Object hotPotato = new Object();
1030		final LinkedTransferQueue q = new LinkedTransferQueue();
1031	<	new Thread(new Runnable() {
1032	<	public void run() {
1033	<	try {
1034	<	while (! q.hasWaitingConsumer())
1035	<	Thread.yield();
1036	<	threadAssertTrue(q.hasWaitingConsumer());
1037	<	threadAssertTrue(q.isEmpty());
1038	<	threadAssertTrue(q.size() == 0);
1039	<	threadAssertTrue(q.tryTransfer(hotPotato));
1040	<	} catch (Throwable ex) {
1041	<	threadUnexpectedException(ex);
1042	<	}
1043	<	}}).start();
1044	<	assertTrue(q.take() == hotPotato);
1053	<	assertTrue(q.isEmpty());
1031	>
1032	>	Thread t = newStartedThread(new CheckedRunnable() {
1033	>	public void realRun() {
1034	>	while (! q.hasWaitingConsumer())
1035	>	Thread.yield();
1036	>	assertTrue(q.hasWaitingConsumer());
1037	>	assertTrue(q.isEmpty());
1038	>	assertEquals(q.size(), 0);
1039	>	assertTrue(q.tryTransfer(hotPotato));
1040	>	}});
1041	>
1042	>	assertSame(q.take(), hotPotato);
1043	>	checkEmpty(q);
1044	>	t.join();
1045		}
1046
1047		/**
#	Line 1059 | Line 1050 | public class LinkedTransferQueueTest ext
1050		*/
1051		public void testTryTransfer5() throws InterruptedException {
1052		final LinkedTransferQueue q = new LinkedTransferQueue();
1053	<	Thread toInterrupt = new Thread(new Runnable() {
1054	<	public void run() {
1055	<	try {
1056	<	q.tryTransfer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
1066	<	threadShouldThrow();
1067	<	} catch (InterruptedException success) {
1068	<	} catch (Throwable ex) {
1069	<	threadUnexpectedException(ex);
1070	<	}
1053	>
1054	>	Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1055	>	public void realRun() throws InterruptedException {
1056	>	q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1057		}});
1058	<	toInterrupt.start();
1058	>
1059		Thread.sleep(SMALL_DELAY_MS);
1060		toInterrupt.interrupt();
1061	+	toInterrupt.join();
1062		}
1063
1064		/**
#	Line 1079 | Line 1066 | public class LinkedTransferQueueTest ext
1066		*/
1067		public void testTryTransfer6() throws InterruptedException {
1068		final LinkedTransferQueue q = new LinkedTransferQueue();
1069	<	new Thread(new Runnable() {
1070	<	public void run() {
1071	<	try {
1072	<	threadAssertFalse(q.tryTransfer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1073	<	} catch (Throwable ex) {
1074	<	threadUnexpectedException(ex);
1075	<	}
1076	<	}}).start();
1077	<	Thread.sleep(LONG_DELAY_MS);
1078	<	assertTrue(q.isEmpty());
1069	>
1070	>	Thread t = newStartedThread(new CheckedRunnable() {
1071	>	public void realRun() throws InterruptedException {
1072	>	assertFalse(q.tryTransfer(new Object(),
1073	>	SHORT_DELAY_MS, MILLISECONDS));
1074	>	}});
1075	>
1076	>	Thread.sleep(SMALL_DELAY_MS);
1077	>	checkEmpty(q);
1078	>	t.join();
1079		}
1080
1081		/**
#	Line 1098 | Line 1085 | public class LinkedTransferQueueTest ext
1085		public void testTryTransfer7() throws InterruptedException {
1086		final LinkedTransferQueue q = new LinkedTransferQueue();
1087		assertTrue(q.offer(four));
1088	<	new Thread(new Runnable() {
1089	<	public void run() {
1090	<	try {
1091	<	threadAssertTrue(q.tryTransfer(five, LONG_DELAY_MS, TimeUnit.MILLISECONDS));
1092	<	threadAssertTrue(q.isEmpty());
1093	<	} catch (Throwable ex) {
1094	<	threadUnexpectedException(ex);
1108	<	}
1109	<	}}).start();
1088	>
1089	>	Thread t = newStartedThread(new CheckedRunnable() {
1090	>	public void realRun() throws InterruptedException {
1091	>	assertTrue(q.tryTransfer(five, MEDIUM_DELAY_MS, MILLISECONDS));
1092	>	assertTrue(q.isEmpty());
1093	>	}});
1094	>
1095		Thread.sleep(SHORT_DELAY_MS);
1096		assertEquals(2, q.size());
1097	<	assertEquals(four, q.poll());
1098	<	assertEquals(five, q.poll());
1099	<	assertTrue(q.isEmpty());
1097	>	assertSame(four, q.poll());
1098	>	assertSame(five, q.poll());
1099	>	checkEmpty(q);
1100	>	t.join();
1101		}
1102
1103		/**
#	Line 1122 | Line 1108 | public class LinkedTransferQueueTest ext
1108		final LinkedTransferQueue q = new LinkedTransferQueue();
1109		assertTrue(q.offer(four));
1110		assertEquals(1, q.size());
1111	<	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
1111	>	assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1112		assertEquals(1, q.size());
1113	<	assertEquals(four, q.poll());
1128	<	threadAssertTrue(q.isEmpty());
1113	>	assertSame(four, q.poll());
1114		assertNull(q.poll());
1115	+	checkEmpty(q);
1116		}
1117
1118		private LinkedTransferQueue<Integer> populatedQueue(int n) {
#	Line 1140 | Line 1126 | public class LinkedTransferQueueTest ext
1126		assertFalse(q.isEmpty());
1127		return q;
1128		}
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	–	}
1129		}

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