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

Comparing jsr166/src/test/tck/LinkedBlockingQueueTest.java (file contents):
Revision 1.12 by jsr166, Mon Nov 2 20:28:31 2009 UTC vs.
Revision 1.22 by jsr166, Sun Nov 22 00:17:37 2009 UTC

#	Line 9 | Line 9
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13		import java.io.*;
14
15		public class LinkedBlockingQueueTest extends JSR166TestCase {
16
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run (suite());
19		}
20
21		public static Test suite() {
22	<	return new TestSuite(LinkedBlockingQueueTest.class);
22	>	return new TestSuite(LinkedBlockingQueueTest.class);
23		}
24
25
#	Line 29 | Line 30 | public class LinkedBlockingQueueTest ext
30		private LinkedBlockingQueue populatedQueue(int n) {
31		LinkedBlockingQueue q = new LinkedBlockingQueue(n);
32		assertTrue(q.isEmpty());
33	<	for(int i = 0; i < n; i++)
34	<	assertTrue(q.offer(new Integer(i)));
33	>	for (int i = 0; i < n; i++)
34	>	assertTrue(q.offer(new Integer(i)));
35		assertFalse(q.isEmpty());
36		assertEquals(0, q.remainingCapacity());
37	<	assertEquals(n, q.size());
37	>	assertEquals(n, q.size());
38		return q;
39		}
40
#	Line 47 | Line 48 | public class LinkedBlockingQueueTest ext
48		}
49
50		/**
51	<	* Constructor throws IAE if  capacity argument nonpositive
51	>	* Constructor throws IAE if capacity argument nonpositive
52		*/
53		public void testConstructor2() {
54		try {
55		LinkedBlockingQueue q = new LinkedBlockingQueue(0);
56		shouldThrow();
57	<	}
57	<	catch (IllegalArgumentException success) {}
57	>	} catch (IllegalArgumentException success) {}
58		}
59
60		/**
#	Line 64 | Line 64 | public class LinkedBlockingQueueTest ext
64		try {
65		LinkedBlockingQueue q = new LinkedBlockingQueue(null);
66		shouldThrow();
67	<	}
68	<	catch (NullPointerException success) {}
67	>	} catch (NullPointerException success) {}
68		}
69
70		/**
#	Line 76 | Line 75 | public class LinkedBlockingQueueTest ext
75		Integer[] ints = new Integer[SIZE];
76		LinkedBlockingQueue q = new LinkedBlockingQueue(Arrays.asList(ints));
77		shouldThrow();
78	<	}
80	<	catch (NullPointerException success) {}
78	>	} catch (NullPointerException success) {}
79		}
80
81		/**
#	Line 90 | Line 88 | public class LinkedBlockingQueueTest ext
88		ints[i] = new Integer(i);
89		LinkedBlockingQueue q = new LinkedBlockingQueue(Arrays.asList(ints));
90		shouldThrow();
91	<	}
94	<	catch (NullPointerException success) {}
91	>	} catch (NullPointerException success) {}
92		}
93
94		/**
95		* Queue contains all elements of collection used to initialize
96		*/
97		public void testConstructor6() {
98	<	try {
99	<	Integer[] ints = new Integer[SIZE];
100	<	for (int i = 0; i < SIZE; ++i)
101	<	ints[i] = new Integer(i);
102	<	LinkedBlockingQueue q = new LinkedBlockingQueue(Arrays.asList(ints));
103	<	for (int i = 0; i < SIZE; ++i)
107	<	assertEquals(ints[i], q.poll());
108	<	}
109	<	finally {}
98	>	Integer[] ints = new Integer[SIZE];
99	>	for (int i = 0; i < SIZE; ++i)
100	>	ints[i] = new Integer(i);
101	>	LinkedBlockingQueue q = new LinkedBlockingQueue(Arrays.asList(ints));
102	>	for (int i = 0; i < SIZE; ++i)
103	>	assertEquals(ints[i], q.poll());
104		}
105
106		/**
#	Line 145 | Line 139 | public class LinkedBlockingQueueTest ext
139		* offer(null) throws NPE
140		*/
141		public void testOfferNull() {
142	<	try {
142	>	try {
143		LinkedBlockingQueue q = new LinkedBlockingQueue(1);
144		q.offer(null);
145		shouldThrow();
146	<	} catch (NullPointerException success) { }
146	>	} catch (NullPointerException success) {}
147		}
148
149		/**
150		* add(null) throws NPE
151		*/
152		public void testAddNull() {
153	<	try {
153	>	try {
154		LinkedBlockingQueue q = new LinkedBlockingQueue(1);
155		q.add(null);
156		shouldThrow();
157	<	} catch (NullPointerException success) { }
157	>	} catch (NullPointerException success) {}
158		}
159
160		/**
#	Line 176 | Line 170 | public class LinkedBlockingQueueTest ext
170		* add succeeds if not full; throws ISE if full
171		*/
172		public void testAdd() {
173	<	try {
173	>	try {
174		LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
175		for (int i = 0; i < SIZE; ++i) {
176		assertTrue(q.add(new Integer(i)));
177		}
178		assertEquals(0, q.remainingCapacity());
179		q.add(new Integer(SIZE));
180	<	} catch (IllegalStateException success){
181	<	}
180	>	shouldThrow();
181	>	} catch (IllegalStateException success) {}
182		}
183
184		/**
#	Line 195 | Line 189 | public class LinkedBlockingQueueTest ext
189		LinkedBlockingQueue q = new LinkedBlockingQueue(1);
190		q.addAll(null);
191		shouldThrow();
192	<	}
199	<	catch (NullPointerException success) {}
192	>	} catch (NullPointerException success) {}
193		}
194
195		/**
#	Line 207 | Line 200 | public class LinkedBlockingQueueTest ext
200		LinkedBlockingQueue q = populatedQueue(SIZE);
201		q.addAll(q);
202		shouldThrow();
203	<	}
211	<	catch (IllegalArgumentException success) {}
203	>	} catch (IllegalArgumentException success) {}
204		}
205
206		/**
#	Line 220 | Line 212 | public class LinkedBlockingQueueTest ext
212		Integer[] ints = new Integer[SIZE];
213		q.addAll(Arrays.asList(ints));
214		shouldThrow();
215	<	}
224	<	catch (NullPointerException success) {}
215	>	} catch (NullPointerException success) {}
216		}
217		/**
218		* addAll of a collection with any null elements throws NPE after
#	Line 235 | Line 226 | public class LinkedBlockingQueueTest ext
226		ints[i] = new Integer(i);
227		q.addAll(Arrays.asList(ints));
228		shouldThrow();
229	<	}
239	<	catch (NullPointerException success) {}
229	>	} catch (NullPointerException success) {}
230		}
231		/**
232		* addAll throws ISE if not enough room
#	Line 249 | Line 239 | public class LinkedBlockingQueueTest ext
239		ints[i] = new Integer(i);
240		q.addAll(Arrays.asList(ints));
241		shouldThrow();
242	<	}
253	<	catch (IllegalStateException success) {}
242	>	} catch (IllegalStateException success) {}
243		}
244		/**
245		* Queue contains all elements, in traversal order, of successful addAll
246		*/
247		public void testAddAll5() {
248	<	try {
249	<	Integer[] empty = new Integer[0];
250	<	Integer[] ints = new Integer[SIZE];
251	<	for (int i = 0; i < SIZE; ++i)
252	<	ints[i] = new Integer(i);
253	<	LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
254	<	assertFalse(q.addAll(Arrays.asList(empty)));
255	<	assertTrue(q.addAll(Arrays.asList(ints)));
256	<	for (int i = 0; i < SIZE; ++i)
268	<	assertEquals(ints[i], q.poll());
269	<	}
270	<	finally {}
248	>	Integer[] empty = new Integer[0];
249	>	Integer[] ints = new Integer[SIZE];
250	>	for (int i = 0; i < SIZE; ++i)
251	>	ints[i] = new Integer(i);
252	>	LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
253	>	assertFalse(q.addAll(Arrays.asList(empty)));
254	>	assertTrue(q.addAll(Arrays.asList(ints)));
255	>	for (int i = 0; i < SIZE; ++i)
256	>	assertEquals(ints[i], q.poll());
257		}
258
259		/**
260		* put(null) throws NPE
261		*/
262	<	public void testPutNull() {
263	<	try {
262	>	public void testPutNull() throws InterruptedException {
263	>	try {
264		LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
265		q.put(null);
266		shouldThrow();
267	<	}
282	<	catch (NullPointerException success){
283	<	}
284	<	catch (InterruptedException ie) {
285	<	unexpectedException();
286	<	}
267	>	} catch (NullPointerException success) {}
268		}
269
270		/**
271		* all elements successfully put are contained
272		*/
273	<	public void testPut() {
274	<	try {
275	<	LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
276	<	for (int i = 0; i < SIZE; ++i) {
277	<	Integer I = new Integer(i);
278	<	q.put(I);
298	<	assertTrue(q.contains(I));
299	<	}
300	<	assertEquals(0, q.remainingCapacity());
301	<	}
302	<	catch (InterruptedException ie) {
303	<	unexpectedException();
273	>	public void testPut() throws InterruptedException {
274	>	LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
275	>	for (int i = 0; i < SIZE; ++i) {
276	>	Integer I = new Integer(i);
277	>	q.put(I);
278	>	assertTrue(q.contains(I));
279		}
280	+	assertEquals(0, q.remainingCapacity());
281		}
282
283		/**
284		* put blocks interruptibly if full
285		*/
286	<	public void testBlockingPut() {
287	<	Thread t = new Thread(new Runnable() {
288	<	public void run() {
289	<	int added = 0;
290	<	try {
291	<	LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
292	<	for (int i = 0; i < SIZE; ++i) {
293	<	q.put(new Integer(i));
294	<	++added;
295	<	}
296	<	q.put(new Integer(SIZE));
297	<	threadShouldThrow();
298	<	} catch (InterruptedException ie){
299	<	threadAssertEquals(added, SIZE);
324	<	}
325	<	}});
286	>	public void testBlockingPut() throws InterruptedException {
287	>	final LinkedBlockingQueue q = new LinkedBlockingQueue(SIZE);
288	>	Thread t = new Thread(new CheckedRunnable() {
289	>	public void realRun() throws InterruptedException {
290	>	for (int i = 0; i < SIZE; ++i)
291	>	q.put(i);
292	>	assertEquals(SIZE, q.size());
293	>	assertEquals(0, q.remainingCapacity());
294	>	try {
295	>	q.put(99);
296	>	shouldThrow();
297	>	} catch (InterruptedException success) {}
298	>	}});
299	>
300		t.start();
301	<	try {
302	<	Thread.sleep(SHORT_DELAY_MS);
303	<	t.interrupt();
304	<	t.join();
305	<	}
332	<	catch (InterruptedException ie) {
333	<	unexpectedException();
334	<	}
301	>	Thread.sleep(SHORT_DELAY_MS);
302	>	t.interrupt();
303	>	t.join();
304	>	assertEquals(SIZE, q.size());
305	>	assertEquals(0, q.remainingCapacity());
306		}
307
308		/**
309		* put blocks waiting for take when full
310		*/
311	<	public void testPutWithTake() {
311	>	public void testPutWithTake() throws InterruptedException {
312	>	final int capacity = 2;
313		final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
314	<	Thread t = new Thread(new Runnable() {
315	<	public void run() {
316	<	int added = 0;
317	<	try {
318	<	q.put(new Object());
319	<	++added;
320	<	q.put(new Object());
321	<	++added;
322	<	q.put(new Object());
323	<	++added;
324	<	q.put(new Object());
325	<	++added;
326	<	threadShouldThrow();
327	<	} catch (InterruptedException e){
328	<	threadAssertTrue(added >= 2);
329	<	}
330	<	}
331	<	});
360	<	try {
361	<	t.start();
362	<	Thread.sleep(SHORT_DELAY_MS);
363	<	q.take();
364	<	t.interrupt();
365	<	t.join();
366	<	} catch (Exception e){
367	<	unexpectedException();
368	<	}
314	>	Thread t = new Thread(new CheckedRunnable() {
315	>	public void realRun() throws InterruptedException {
316	>	for (int i = 0; i < capacity + 1; i++)
317	>	q.put(i);
318	>	try {
319	>	q.put(99);
320	>	shouldThrow();
321	>	} catch (InterruptedException success) {}
322	>	}});
323	>
324	>	t.start();
325	>	Thread.sleep(SHORT_DELAY_MS);
326	>	assertEquals(q.remainingCapacity(), 0);
327	>	assertEquals(0, q.take());
328	>	Thread.sleep(SHORT_DELAY_MS);
329	>	t.interrupt();
330	>	t.join();
331	>	assertEquals(q.remainingCapacity(), 0);
332		}
333
334		/**
335		* timed offer times out if full and elements not taken
336		*/
337	<	public void testTimedOffer() {
337	>	public void testTimedOffer() throws InterruptedException {
338		final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
339	<	Thread t = new Thread(new Runnable() {
340	<	public void run() {
341	<	try {
342	<	q.put(new Object());
343	<	q.put(new Object());
344	<	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
345	<	q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
346	<	threadShouldThrow();
347	<	} catch (InterruptedException success){}
348	<	}
386	<	});
339	>	Thread t = new Thread(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	q.put(new Object());
342	>	q.put(new Object());
343	>	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
344	>	try {
345	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
346	>	shouldThrow();
347	>	} catch (InterruptedException success) {}
348	>	}});
349
350	<	try {
351	<	t.start();
352	<	Thread.sleep(SMALL_DELAY_MS);
353	<	t.interrupt();
392	<	t.join();
393	<	} catch (Exception e){
394	<	unexpectedException();
395	<	}
350	>	t.start();
351	>	Thread.sleep(SMALL_DELAY_MS);
352	>	t.interrupt();
353	>	t.join();
354		}
355
356		/**
357		* take retrieves elements in FIFO order
358		*/
359	<	public void testTake() {
360	<	try {
361	<	LinkedBlockingQueue q = populatedQueue(SIZE);
362	<	for (int i = 0; i < SIZE; ++i) {
363	<	assertEquals(i, ((Integer)q.take()).intValue());
406	<	}
407	<	} catch (InterruptedException e){
408	<	unexpectedException();
409	<	}
359	>	public void testTake() throws InterruptedException {
360	>	LinkedBlockingQueue q = populatedQueue(SIZE);
361	>	for (int i = 0; i < SIZE; ++i) {
362	>	assertEquals(i, ((Integer)q.take()).intValue());
363	>	}
364		}
365
366		/**
367		* take blocks interruptibly when empty
368		*/
369	<	public void testTakeFromEmpty() {
369	>	public void testTakeFromEmpty() throws InterruptedException {
370		final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
371	<	Thread t = new Thread(new Runnable() {
372	<	public void run() {
373	<	try {
374	<	q.take();
375	<	threadShouldThrow();
376	<	} catch (InterruptedException success){ }
377	<	}
378	<	});
379	<	try {
426	<	t.start();
427	<	Thread.sleep(SHORT_DELAY_MS);
428	<	t.interrupt();
429	<	t.join();
430	<	} catch (Exception e){
431	<	unexpectedException();
432	<	}
371	>	Thread t = new ThreadShouldThrow(InterruptedException.class) {
372	>	public void realRun() throws InterruptedException {
373	>	q.take();
374	>	}};
375	>
376	>	t.start();
377	>	Thread.sleep(SHORT_DELAY_MS);
378	>	t.interrupt();
379	>	t.join();
380		}
381
382		/**
383		* Take removes existing elements until empty, then blocks interruptibly
384		*/
385	<	public void testBlockingTake() {
386	<	Thread t = new Thread(new Runnable() {
387	<	public void run() {
388	<	try {
389	<	LinkedBlockingQueue q = populatedQueue(SIZE);
390	<	for (int i = 0; i < SIZE; ++i) {
391	<	assertEquals(i, ((Integer)q.take()).intValue());
392	<	}
393	<	q.take();
394	<	threadShouldThrow();
395	<	} catch (InterruptedException success){
396	<	}
397	<	}});
385	>	public void testBlockingTake() throws InterruptedException {
386	>	final LinkedBlockingQueue q = populatedQueue(SIZE);
387	>	Thread t = new Thread(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	for (int i = 0; i < SIZE; ++i) {
390	>	assertEquals(i, ((Integer)q.take()).intValue());
391	>	}
392	>	try {
393	>	q.take();
394	>	shouldThrow();
395	>	} catch (InterruptedException success) {}
396	>	}});
397	>
398		t.start();
399	<	try {
400	<	Thread.sleep(SHORT_DELAY_MS);
401	<	t.interrupt();
455	<	t.join();
456	<	}
457	<	catch (InterruptedException ie) {
458	<	unexpectedException();
459	<	}
399	>	Thread.sleep(SHORT_DELAY_MS);
400	>	t.interrupt();
401	>	t.join();
402		}
403
462	–
404		/**
405		* poll succeeds unless empty
406		*/
#	Line 468 | Line 409 | public class LinkedBlockingQueueTest ext
409		for (int i = 0; i < SIZE; ++i) {
410		assertEquals(i, ((Integer)q.poll()).intValue());
411		}
412	<	assertNull(q.poll());
412	>	assertNull(q.poll());
413		}
414
415		/**
416		* timed pool with zero timeout succeeds when non-empty, else times out
417		*/
418	<	public void testTimedPoll0() {
419	<	try {
420	<	LinkedBlockingQueue q = populatedQueue(SIZE);
421	<	for (int i = 0; i < SIZE; ++i) {
422	<	assertEquals(i, ((Integer)q.poll(0, TimeUnit.MILLISECONDS)).intValue());
423	<	}
483	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
484	<	} catch (InterruptedException e){
485	<	unexpectedException();
486	<	}
418	>	public void testTimedPoll0() throws InterruptedException {
419	>	LinkedBlockingQueue q = populatedQueue(SIZE);
420	>	for (int i = 0; i < SIZE; ++i) {
421	>	assertEquals(i, ((Integer)q.poll(0, MILLISECONDS)).intValue());
422	>	}
423	>	assertNull(q.poll(0, MILLISECONDS));
424		}
425
426		/**
427		* timed pool with nonzero timeout succeeds when non-empty, else times out
428		*/
429	<	public void testTimedPoll() {
430	<	try {
431	<	LinkedBlockingQueue q = populatedQueue(SIZE);
432	<	for (int i = 0; i < SIZE; ++i) {
433	<	assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue());
434	<	}
498	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
499	<	} catch (InterruptedException e){
500	<	unexpectedException();
501	<	}
429	>	public void testTimedPoll() throws InterruptedException {
430	>	LinkedBlockingQueue q = populatedQueue(SIZE);
431	>	for (int i = 0; i < SIZE; ++i) {
432	>	assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue());
433	>	}
434	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
435		}
436
437		/**
438		* Interrupted timed poll throws InterruptedException instead of
439		* returning timeout status
440		*/
441	<	public void testInterruptedTimedPoll() {
442	<	Thread t = new Thread(new Runnable() {
443	<	public void run() {
444	<	try {
445	<	LinkedBlockingQueue q = populatedQueue(SIZE);
446	<	for (int i = 0; i < SIZE; ++i) {
447	<	threadAssertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)).intValue());
448	<	}
449	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
450	<	} catch (InterruptedException success){
451	<	}
452	<	}});
441	>	public void testInterruptedTimedPoll() throws InterruptedException {
442	>	Thread t = new Thread(new CheckedRunnable() {
443	>	public void realRun() throws InterruptedException {
444	>	LinkedBlockingQueue q = populatedQueue(SIZE);
445	>	for (int i = 0; i < SIZE; ++i) {
446	>	assertEquals(i, ((Integer)q.poll(SHORT_DELAY_MS, MILLISECONDS)).intValue());
447	>	}
448	>	try {
449	>	q.poll(SMALL_DELAY_MS, MILLISECONDS);
450	>	shouldThrow();
451	>	} catch (InterruptedException success) {}
452	>	}});
453	>
454		t.start();
455	<	try {
456	<	Thread.sleep(SHORT_DELAY_MS);
457	<	t.interrupt();
524	<	t.join();
525	<	}
526	<	catch (InterruptedException ie) {
527	<	unexpectedException();
528	<	}
455	>	Thread.sleep(SHORT_DELAY_MS);
456	>	t.interrupt();
457	>	t.join();
458		}
459
460		/**
461		*  timed poll before a delayed offer fails; after offer succeeds;
462		*  on interruption throws
463		*/
464	<	public void testTimedPollWithOffer() {
464	>	public void testTimedPollWithOffer() throws InterruptedException {
465		final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
466	<	Thread t = new Thread(new Runnable() {
467	<	public void run() {
468	<	try {
469	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
470	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
471	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
472	<	threadShouldThrow();
473	<	} catch (InterruptedException success) { }
474	<	}
475	<	});
476	<	try {
477	<	t.start();
478	<	Thread.sleep(SMALL_DELAY_MS);
479	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
480	<	t.interrupt();
552	<	t.join();
553	<	} catch (Exception e){
554	<	unexpectedException();
555	<	}
466	>	Thread t = new Thread(new CheckedRunnable() {
467	>	public void realRun() throws InterruptedException {
468	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
469	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
470	>	try {
471	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
472	>	shouldThrow();
473	>	} catch (InterruptedException success) {}
474	>	}});
475	>
476	>	t.start();
477	>	Thread.sleep(SMALL_DELAY_MS);
478	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
479	>	t.interrupt();
480	>	t.join();
481		}
482
483		/**
#	Line 566 | Line 491 | public class LinkedBlockingQueueTest ext
491		assertTrue(q.peek() == null ||
492		i != ((Integer)q.peek()).intValue());
493		}
494	<	assertNull(q.peek());
494	>	assertNull(q.peek());
495		}
496
497		/**
#	Line 581 | Line 506 | public class LinkedBlockingQueueTest ext
506		try {
507		q.element();
508		shouldThrow();
509	<	}
585	<	catch (NoSuchElementException success) {}
509	>	} catch (NoSuchElementException success) {}
510		}
511
512		/**
#	Line 596 | Line 520 | public class LinkedBlockingQueueTest ext
520		try {
521		q.remove();
522		shouldThrow();
523	<	} catch (NoSuchElementException success){
600	<	}
523	>	} catch (NoSuchElementException success) {}
524		}
525
526		/**
#	Line 618 | Line 541 | public class LinkedBlockingQueueTest ext
541		/**
542		* An add following remove(x) succeeds
543		*/
544	<	public void testRemoveElementAndAdd() {
545	<	try {
546	<	LinkedBlockingQueue q = new LinkedBlockingQueue();
547	<	assertTrue(q.add(new Integer(1)));
548	<	assertTrue(q.add(new Integer(2)));
549	<	assertTrue(q.remove(new Integer(1)));
550	<	assertTrue(q.remove(new Integer(2)));
551	<	assertTrue(q.add(new Integer(3)));
629	<	assertTrue(q.take() != null);
630	<	} catch (Exception e){
631	<	unexpectedException();
632	<	}
544	>	public void testRemoveElementAndAdd() throws InterruptedException {
545	>	LinkedBlockingQueue q = new LinkedBlockingQueue();
546	>	assertTrue(q.add(new Integer(1)));
547	>	assertTrue(q.add(new Integer(2)));
548	>	assertTrue(q.remove(new Integer(1)));
549	>	assertTrue(q.remove(new Integer(2)));
550	>	assertTrue(q.add(new Integer(3)));
551	>	assertTrue(q.take() != null);
552		}
553
554		/**
#	Line 712 | Line 631 | public class LinkedBlockingQueueTest ext
631		/**
632		* toArray contains all elements
633		*/
634	<	public void testToArray() {
634	>	public void testToArray() throws InterruptedException {
635		LinkedBlockingQueue q = populatedQueue(SIZE);
636	<	Object[] o = q.toArray();
637	<	try {
638	<	for(int i = 0; i < o.length; i++)
720	<	assertEquals(o[i], q.take());
721	<	} catch (InterruptedException e){
722	<	unexpectedException();
723	<	}
636	>	Object[] o = q.toArray();
637	>	for (int i = 0; i < o.length; i++)
638	>	assertEquals(o[i], q.take());
639		}
640
641		/**
642		* toArray(a) contains all elements
643		*/
644	<	public void testToArray2() {
644	>	public void testToArray2() throws InterruptedException {
645		LinkedBlockingQueue q = populatedQueue(SIZE);
646	<	Integer[] ints = new Integer[SIZE];
647	<	ints = (Integer[])q.toArray(ints);
648	<	try {
649	<	for(int i = 0; i < ints.length; i++)
735	<	assertEquals(ints[i], q.take());
736	<	} catch (InterruptedException e){
737	<	unexpectedException();
738	<	}
646	>	Integer[] ints = new Integer[SIZE];
647	>	ints = (Integer[])q.toArray(ints);
648	>	for (int i = 0; i < ints.length; i++)
649	>	assertEquals(ints[i], q.take());
650		}
651
652		/**
653		* toArray(null) throws NPE
654		*/
655		public void testToArray_BadArg() {
656	<	try {
656	>	try {
657		LinkedBlockingQueue q = populatedQueue(SIZE);
658	<	Object o[] = q.toArray(null);
659	<	shouldThrow();
660	<	} catch(NullPointerException success){}
658	>	Object o[] = q.toArray(null);
659	>	shouldThrow();
660	>	} catch (NullPointerException success) {}
661		}
662
663		/**
664		* toArray with incompatible array type throws CCE
665		*/
666		public void testToArray1_BadArg() {
667	<	try {
667	>	try {
668		LinkedBlockingQueue q = populatedQueue(SIZE);
669	<	Object o[] = q.toArray(new String[10] );
670	<	shouldThrow();
671	<	} catch(ArrayStoreException  success){}
669	>	Object o[] = q.toArray(new String[10] );
670	>	shouldThrow();
671	>	} catch (ArrayStoreException success) {}
672		}
673
674
675		/**
676		* iterator iterates through all elements
677		*/
678	<	public void testIterator() {
678	>	public void testIterator() throws InterruptedException {
679		LinkedBlockingQueue q = populatedQueue(SIZE);
680	<	Iterator it = q.iterator();
681	<	try {
682	<	while(it.hasNext()){
683	<	assertEquals(it.next(), q.take());
773	<	}
774	<	} catch (InterruptedException e){
775	<	unexpectedException();
776	<	}
680	>	Iterator it = q.iterator();
681	>	while (it.hasNext()) {
682	>	assertEquals(it.next(), q.take());
683	>	}
684		}
685
686		/**
#	Line 821 | Line 728 | public class LinkedBlockingQueueTest ext
728		q.add(one);
729		q.add(two);
730		q.add(three);
731	<	try {
732	<	for (Iterator it = q.iterator(); it.hasNext();) {
733	<	q.remove();
827	<	it.next();
828	<	}
829	<	}
830	<	catch (ConcurrentModificationException e) {
831	<	unexpectedException();
731	>	for (Iterator it = q.iterator(); it.hasNext();) {
732	>	q.remove();
733	>	it.next();
734		}
735		assertEquals(0, q.size());
736		}
#	Line 854 | Line 756 | public class LinkedBlockingQueueTest ext
756		q.add(one);
757		q.add(two);
758		ExecutorService executor = Executors.newFixedThreadPool(2);
759	<	executor.execute(new Runnable() {
760	<	public void run() {
759	>	executor.execute(new CheckedRunnable() {
760	>	public void realRun() throws InterruptedException {
761		threadAssertFalse(q.offer(three));
762	<	try {
763	<	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
764	<	threadAssertEquals(0, q.remainingCapacity());
765	<	}
766	<	catch (InterruptedException e) {
767	<	threadUnexpectedException();
768	<	}
769	<	}
770	<	});
869	<
870	<	executor.execute(new Runnable() {
871	<	public void run() {
872	<	try {
873	<	Thread.sleep(SMALL_DELAY_MS);
874	<	threadAssertEquals(one, q.take());
875	<	}
876	<	catch (InterruptedException e) {
877	<	threadUnexpectedException();
878	<	}
879	<	}
880	<	});
762	>	threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS, MILLISECONDS));
763	>	threadAssertEquals(0, q.remainingCapacity());
764	>	}});
765	>
766	>	executor.execute(new CheckedRunnable() {
767	>	public void realRun() throws InterruptedException {
768	>	Thread.sleep(SMALL_DELAY_MS);
769	>	threadAssertEquals(one, q.take());
770	>	}});
771
772		joinPool(executor);
773		}
#	Line 888 | Line 778 | public class LinkedBlockingQueueTest ext
778		public void testPollInExecutor() {
779		final LinkedBlockingQueue q = new LinkedBlockingQueue(2);
780		ExecutorService executor = Executors.newFixedThreadPool(2);
781	<	executor.execute(new Runnable() {
782	<	public void run() {
781	>	executor.execute(new CheckedRunnable() {
782	>	public void realRun() throws InterruptedException {
783		threadAssertNull(q.poll());
784	<	try {
785	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
786	<	threadAssertTrue(q.isEmpty());
787	<	}
788	<	catch (InterruptedException e) {
789	<	threadUnexpectedException();
790	<	}
791	<	}
792	<	});
903	<
904	<	executor.execute(new Runnable() {
905	<	public void run() {
906	<	try {
907	<	Thread.sleep(SMALL_DELAY_MS);
908	<	q.put(one);
909	<	}
910	<	catch (InterruptedException e) {
911	<	threadUnexpectedException();
912	<	}
913	<	}
914	<	});
784	>	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
785	>	threadAssertTrue(q.isEmpty());
786	>	}});
787	>
788	>	executor.execute(new CheckedRunnable() {
789	>	public void realRun() throws InterruptedException {
790	>	Thread.sleep(SMALL_DELAY_MS);
791	>	q.put(one);
792	>	}});
793
794		joinPool(executor);
795		}
#	Line 919 | Line 797 | public class LinkedBlockingQueueTest ext
797		/**
798		* A deserialized serialized queue has same elements in same order
799		*/
800	<	public void testSerialization() {
800	>	public void testSerialization() throws Exception {
801		LinkedBlockingQueue q = populatedQueue(SIZE);
802
803	<	try {
804	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
805	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
806	<	out.writeObject(q);
807	<	out.close();
808	<
809	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
810	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
811	<	LinkedBlockingQueue r = (LinkedBlockingQueue)in.readObject();
812	<	assertEquals(q.size(), r.size());
813	<	while (!q.isEmpty())
936	<	assertEquals(q.remove(), r.remove());
937	<	} catch(Exception e){
938	<	unexpectedException();
939	<	}
803	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
804	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
805	>	out.writeObject(q);
806	>	out.close();
807	>
808	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
809	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
810	>	LinkedBlockingQueue r = (LinkedBlockingQueue)in.readObject();
811	>	assertEquals(q.size(), r.size());
812	>	while (!q.isEmpty())
813	>	assertEquals(q.remove(), r.remove());
814		}
815
816		/**
#	Line 947 | Line 821 | public class LinkedBlockingQueueTest ext
821		try {
822		q.drainTo(null);
823		shouldThrow();
824	<	} catch(NullPointerException success) {
951	<	}
824	>	} catch (NullPointerException success) {}
825		}
826
827		/**
#	Line 959 | Line 832 | public class LinkedBlockingQueueTest ext
832		try {
833		q.drainTo(q);
834		shouldThrow();
835	<	} catch(IllegalArgumentException success) {
963	<	}
835	>	} catch (IllegalArgumentException success) {}
836		}
837
838		/**
#	Line 990 | Line 862 | public class LinkedBlockingQueueTest ext
862		/**
863		* drainTo empties full queue, unblocking a waiting put.
864		*/
865	<	public void testDrainToWithActivePut() {
865	>	public void testDrainToWithActivePut() throws InterruptedException {
866		final LinkedBlockingQueue q = populatedQueue(SIZE);
867	<	Thread t = new Thread(new Runnable() {
868	<	public void run() {
869	<	try {
870	<	q.put(new Integer(SIZE+1));
871	<	} catch (InterruptedException ie){
872	<	threadUnexpectedException();
873	<	}
874	<	}
875	<	});
876	<	try {
877	<	t.start();
878	<	ArrayList l = new ArrayList();
879	<	q.drainTo(l);
1008	<	assertTrue(l.size() >= SIZE);
1009	<	for (int i = 0; i < SIZE; ++i)
1010	<	assertEquals(l.get(i), new Integer(i));
1011	<	t.join();
1012	<	assertTrue(q.size() + l.size() >= SIZE);
1013	<	} catch(Exception e){
1014	<	unexpectedException();
1015	<	}
867	>	Thread t = new Thread(new CheckedRunnable() {
868	>	public void realRun() throws InterruptedException {
869	>	q.put(new Integer(SIZE+1));
870	>	}});
871	>
872	>	t.start();
873	>	ArrayList l = new ArrayList();
874	>	q.drainTo(l);
875	>	assertTrue(l.size() >= SIZE);
876	>	for (int i = 0; i < SIZE; ++i)
877	>	assertEquals(l.get(i), new Integer(i));
878	>	t.join();
879	>	assertTrue(q.size() + l.size() >= SIZE);
880		}
881
882		/**
#	Line 1023 | Line 887 | public class LinkedBlockingQueueTest ext
887		try {
888		q.drainTo(null, 0);
889		shouldThrow();
890	<	} catch(NullPointerException success) {
1027	<	}
890	>	} catch (NullPointerException success) {}
891		}
892
893		/**
#	Line 1035 | Line 898 | public class LinkedBlockingQueueTest ext
898		try {
899		q.drainTo(q, 0);
900		shouldThrow();
901	<	} catch(IllegalArgumentException success) {
1039	<	}
901	>	} catch (IllegalArgumentException success) {}
902		}
903
904		/**
#	Line 1045 | Line 907 | public class LinkedBlockingQueueTest ext
907		public void testDrainToN() {
908		LinkedBlockingQueue q = new LinkedBlockingQueue();
909		for (int i = 0; i < SIZE + 2; ++i) {
910	<	for(int j = 0; j < SIZE; j++)
910	>	for (int j = 0; j < SIZE; j++)
911		assertTrue(q.offer(new Integer(j)));
912		ArrayList l = new ArrayList();
913		q.drainTo(l, i);

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