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Comparing jsr166/src/test/tck/SynchronousQueueTest.java (file contents):
Revision 1.11 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.25 by jsr166, Wed Oct 6 07:49:23 2010 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 SynchronousQueueTest extends JSR166TestCase {
16
17	+	public static class Fair extends BlockingQueueTest {
18	+	protected BlockingQueue emptyCollection() {
19	+	return new SynchronousQueue(true);
20	+	}
21	+	}
22	+
23	+	public static class NonFair extends BlockingQueueTest {
24	+	protected BlockingQueue emptyCollection() {
25	+	return new SynchronousQueue(false);
26	+	}
27	+	}
28	+
29		public static void main(String[] args) {
30	<	junit.textui.TestRunner.run (suite());
30	>	junit.textui.TestRunner.run(suite());
31		}
32
33		public static Test suite() {
34	<	return new TestSuite(SynchronousQueueTest.class);
34	>	return newTestSuite(SynchronousQueueTest.class,
35	>	new Fair().testSuite(),
36	>	new NonFair().testSuite());
37		}
38
39		/**
#	Line 27 | Line 42 | public class SynchronousQueueTest extend
42		public void testEmptyFull() {
43		SynchronousQueue q = new SynchronousQueue();
44		assertTrue(q.isEmpty());
45	<	assertEquals(0, q.size());
45	>	assertEquals(0, q.size());
46		assertEquals(0, q.remainingCapacity());
47		assertFalse(q.offer(zero));
48		}
#	Line 38 | Line 53 | public class SynchronousQueueTest extend
53		public void testFairEmptyFull() {
54		SynchronousQueue q = new SynchronousQueue(true);
55		assertTrue(q.isEmpty());
56	<	assertEquals(0, q.size());
56	>	assertEquals(0, q.size());
57		assertEquals(0, q.remainingCapacity());
58		assertFalse(q.offer(zero));
59		}
#	Line 47 | Line 62 | public class SynchronousQueueTest extend
62		* offer(null) throws NPE
63		*/
64		public void testOfferNull() {
65	<	try {
65	>	try {
66		SynchronousQueue q = new SynchronousQueue();
67		q.offer(null);
68		shouldThrow();
69	<	} catch (NullPointerException success) { }
69	>	} catch (NullPointerException success) {}
70		}
71
72		/**
73		* add(null) throws NPE
74		*/
75		public void testAddNull() {
76	<	try {
76	>	try {
77		SynchronousQueue q = new SynchronousQueue();
78		q.add(null);
79		shouldThrow();
80	<	} catch (NullPointerException success) { }
80	>	} catch (NullPointerException success) {}
81		}
82
83		/**
#	Line 77 | Line 92 | public class SynchronousQueueTest extend
92		* add throws ISE if no active taker
93		*/
94		public void testAdd() {
95	<	try {
95	>	try {
96		SynchronousQueue q = new SynchronousQueue();
97		assertEquals(0, q.remainingCapacity());
98		q.add(one);
99		shouldThrow();
100	<	} catch (IllegalStateException success){
86	<	}
100	>	} catch (IllegalStateException success) {}
101		}
102
103		/**
#	Line 94 | Line 108 | public class SynchronousQueueTest extend
108		SynchronousQueue q = new SynchronousQueue();
109		q.addAll(null);
110		shouldThrow();
111	<	}
98	<	catch (NullPointerException success) {}
111	>	} catch (NullPointerException success) {}
112		}
113
114		/**
#	Line 106 | Line 119 | public class SynchronousQueueTest extend
119		SynchronousQueue q = new SynchronousQueue();
120		q.addAll(q);
121		shouldThrow();
122	<	}
110	<	catch (IllegalArgumentException success) {}
122	>	} catch (IllegalArgumentException success) {}
123		}
124
125		/**
#	Line 119 | Line 131 | public class SynchronousQueueTest extend
131		Integer[] ints = new Integer[1];
132		q.addAll(Arrays.asList(ints));
133		shouldThrow();
134	<	}
123	<	catch (NullPointerException success) {}
134	>	} catch (NullPointerException success) {}
135		}
136	+
137		/**
138		* addAll throws ISE if no active taker
139		*/
#	Line 133 | Line 145 | public class SynchronousQueueTest extend
145		ints[i] = new Integer(i);
146		q.addAll(Arrays.asList(ints));
147		shouldThrow();
148	<	}
137	<	catch (IllegalStateException success) {}
148	>	} catch (IllegalStateException success) {}
149		}
150
151		/**
152		* put(null) throws NPE
153		*/
154	<	public void testPutNull() {
155	<	try {
154	>	public void testPutNull() throws InterruptedException {
155	>	try {
156		SynchronousQueue q = new SynchronousQueue();
157		q.put(null);
158		shouldThrow();
159	<	}
149	<	catch (NullPointerException success){
150	<	}
151	<	catch (InterruptedException ie) {
152	<	unexpectedException();
153	<	}
159	>	} catch (NullPointerException success) {}
160		}
161
162		/**
163		* put blocks interruptibly if no active taker
164		*/
165	<	public void testBlockingPut() {
166	<	Thread t = new Thread(new Runnable() {
167	<	public void run() {
168	<	try {
169	<	SynchronousQueue q = new SynchronousQueue();
170	<	q.put(zero);
171	<	threadShouldThrow();
166	<	} catch (InterruptedException ie){
167	<	}
168	<	}});
165	>	public void testBlockingPut() throws InterruptedException {
166	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
167	>	public void realRun() throws InterruptedException {
168	>	SynchronousQueue q = new SynchronousQueue();
169	>	q.put(zero);
170	>	}});
171	>
172		t.start();
173	<	try {
174	<	Thread.sleep(SHORT_DELAY_MS);
175	<	t.interrupt();
173	<	t.join();
174	<	}
175	<	catch (InterruptedException ie) {
176	<	unexpectedException();
177	<	}
173	>	Thread.sleep(SHORT_DELAY_MS);
174	>	t.interrupt();
175	>	t.join();
176		}
177
178		/**
179		* put blocks waiting for take
180		*/
181	<	public void testPutWithTake() {
181	>	public void testPutWithTake() throws InterruptedException {
182		final SynchronousQueue q = new SynchronousQueue();
183	<	Thread t = new Thread(new Runnable() {
184	<	public void run() {
185	<	int added = 0;
186	<	try {
187	<	q.put(new Object());
188	<	++added;
191	<	q.put(new Object());
192	<	++added;
193	<	q.put(new Object());
194	<	++added;
195	<	q.put(new Object());
183	>	Thread t = new Thread(new CheckedRunnable() {
184	>	public void realRun() throws InterruptedException {
185	>	int added = 0;
186	>	try {
187	>	while (true) {
188	>	q.put(added);
189		++added;
197	–	threadShouldThrow();
198	–	} catch (InterruptedException e){
199	–	assertTrue(added >= 1);
190		}
191	+	} catch (InterruptedException success) {
192	+	assertEquals(1, added);
193		}
194	<	});
195	<	try {
196	<	t.start();
197	<	Thread.sleep(SHORT_DELAY_MS);
198	<	q.take();
199	<	Thread.sleep(SHORT_DELAY_MS);
200	<	t.interrupt();
201	<	t.join();
210	<	} catch (Exception e){
211	<	unexpectedException();
212	<	}
194	>	}});
195	>
196	>	t.start();
197	>	Thread.sleep(SHORT_DELAY_MS);
198	>	assertEquals(0, q.take());
199	>	Thread.sleep(SHORT_DELAY_MS);
200	>	t.interrupt();
201	>	t.join();
202		}
203
204		/**
205		* timed offer times out if elements not taken
206		*/
207	<	public void testTimedOffer() {
207	>	public void testTimedOffer() throws InterruptedException {
208		final SynchronousQueue q = new SynchronousQueue();
209	<	Thread t = new Thread(new Runnable() {
210	<	public void run() {
211	<	try {
212	<
213	<	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
225	<	q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
226	<	threadShouldThrow();
227	<	} catch (InterruptedException success){}
228	<	}
229	<	});
209	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
210	>	public void realRun() throws InterruptedException {
211	>	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
212	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
213	>	}});
214
215	<	try {
216	<	t.start();
217	<	Thread.sleep(SMALL_DELAY_MS);
218	<	t.interrupt();
235	<	t.join();
236	<	} catch (Exception e){
237	<	unexpectedException();
238	<	}
215	>	t.start();
216	>	Thread.sleep(SMALL_DELAY_MS);
217	>	t.interrupt();
218	>	t.join();
219		}
220
221
222		/**
223		* take blocks interruptibly when empty
224		*/
225	<	public void testTakeFromEmpty() {
225	>	public void testTakeFromEmpty() throws InterruptedException {
226		final SynchronousQueue q = new SynchronousQueue();
227	<	Thread t = new Thread(new Runnable() {
228	<	public void run() {
229	<	try {
230	<	q.take();
231	<	threadShouldThrow();
232	<	} catch (InterruptedException success){ }
233	<	}
234	<	});
235	<	try {
256	<	t.start();
257	<	Thread.sleep(SHORT_DELAY_MS);
258	<	t.interrupt();
259	<	t.join();
260	<	} catch (Exception e){
261	<	unexpectedException();
262	<	}
227	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
228	>	public void realRun() throws InterruptedException {
229	>	q.take();
230	>	}});
231	>
232	>	t.start();
233	>	Thread.sleep(SHORT_DELAY_MS);
234	>	t.interrupt();
235	>	t.join();
236		}
237
238
239		/**
240		* put blocks interruptibly if no active taker
241		*/
242	<	public void testFairBlockingPut() {
243	<	Thread t = new Thread(new Runnable() {
244	<	public void run() {
245	<	try {
246	<	SynchronousQueue q = new SynchronousQueue(true);
247	<	q.put(zero);
248	<	threadShouldThrow();
276	<	} catch (InterruptedException ie){
277	<	}
278	<	}});
242	>	public void testFairBlockingPut() throws InterruptedException {
243	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
244	>	public void realRun() throws InterruptedException {
245	>	SynchronousQueue q = new SynchronousQueue(true);
246	>	q.put(zero);
247	>	}});
248	>
249		t.start();
250	<	try {
251	<	Thread.sleep(SHORT_DELAY_MS);
252	<	t.interrupt();
283	<	t.join();
284	<	}
285	<	catch (InterruptedException ie) {
286	<	unexpectedException();
287	<	}
250	>	Thread.sleep(SHORT_DELAY_MS);
251	>	t.interrupt();
252	>	t.join();
253		}
254
255		/**
256		* put blocks waiting for take
257		*/
258	<	public void testFairPutWithTake() {
258	>	public void testFairPutWithTake() throws InterruptedException {
259		final SynchronousQueue q = new SynchronousQueue(true);
260	<	Thread t = new Thread(new Runnable() {
261	<	public void run() {
262	<	int added = 0;
263	<	try {
264	<	q.put(new Object());
265	<	++added;
301	<	q.put(new Object());
302	<	++added;
303	<	q.put(new Object());
304	<	++added;
305	<	q.put(new Object());
260	>	Thread t = new Thread(new CheckedRunnable() {
261	>	public void realRun() throws InterruptedException {
262	>	int added = 0;
263	>	try {
264	>	while (true) {
265	>	q.put(added);
266		++added;
307	–	threadShouldThrow();
308	–	} catch (InterruptedException e){
309	–	assertTrue(added >= 1);
267		}
268	+	} catch (InterruptedException success) {
269	+	assertEquals(1, added);
270		}
271	<	});
272	<	try {
273	<	t.start();
274	<	Thread.sleep(SHORT_DELAY_MS);
275	<	q.take();
276	<	Thread.sleep(SHORT_DELAY_MS);
277	<	t.interrupt();
278	<	t.join();
320	<	} catch (Exception e){
321	<	unexpectedException();
322	<	}
271	>	}});
272	>
273	>	t.start();
274	>	Thread.sleep(SHORT_DELAY_MS);
275	>	assertEquals(0, q.take());
276	>	Thread.sleep(SHORT_DELAY_MS);
277	>	t.interrupt();
278	>	t.join();
279		}
280
281		/**
282		* timed offer times out if elements not taken
283		*/
284	<	public void testFairTimedOffer() {
284	>	public void testFairTimedOffer() throws InterruptedException {
285		final SynchronousQueue q = new SynchronousQueue(true);
286	<	Thread t = new Thread(new Runnable() {
287	<	public void run() {
288	<	try {
289	<
290	<	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
335	<	q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
336	<	threadShouldThrow();
337	<	} catch (InterruptedException success){}
338	<	}
339	<	});
286	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
287	>	public void realRun() throws InterruptedException {
288	>	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
289	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
290	>	}});
291
292	<	try {
293	<	t.start();
294	<	Thread.sleep(SMALL_DELAY_MS);
295	<	t.interrupt();
345	<	t.join();
346	<	} catch (Exception e){
347	<	unexpectedException();
348	<	}
292	>	t.start();
293	>	Thread.sleep(SMALL_DELAY_MS);
294	>	t.interrupt();
295	>	t.join();
296		}
297
298
299		/**
300		* take blocks interruptibly when empty
301		*/
302	<	public void testFairTakeFromEmpty() {
302	>	public void testFairTakeFromEmpty() throws InterruptedException {
303		final SynchronousQueue q = new SynchronousQueue(true);
304	<	Thread t = new Thread(new Runnable() {
305	<	public void run() {
306	<	try {
307	<	q.take();
308	<	threadShouldThrow();
309	<	} catch (InterruptedException success){ }
310	<	}
311	<	});
312	<	try {
366	<	t.start();
367	<	Thread.sleep(SHORT_DELAY_MS);
368	<	t.interrupt();
369	<	t.join();
370	<	} catch (Exception e){
371	<	unexpectedException();
372	<	}
304	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
305	>	public void realRun() throws InterruptedException {
306	>	q.take();
307	>	}});
308	>
309	>	t.start();
310	>	Thread.sleep(SHORT_DELAY_MS);
311	>	t.interrupt();
312	>	t.join();
313		}
314
315		/**
#	Line 377 | Line 317 | public class SynchronousQueueTest extend
317		*/
318		public void testPoll() {
319		SynchronousQueue q = new SynchronousQueue();
320	<	assertNull(q.poll());
320	>	assertNull(q.poll());
321		}
322
323		/**
324		* timed pool with zero timeout times out if no active taker
325		*/
326	<	public void testTimedPoll0() {
327	<	try {
328	<	SynchronousQueue q = new SynchronousQueue();
389	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
390	<	} catch (InterruptedException e){
391	<	unexpectedException();
392	<	}
326	>	public void testTimedPoll0() throws InterruptedException {
327	>	SynchronousQueue q = new SynchronousQueue();
328	>	assertNull(q.poll(0, MILLISECONDS));
329		}
330
331		/**
332		* timed pool with nonzero timeout times out if no active taker
333		*/
334	<	public void testTimedPoll() {
335	<	try {
336	<	SynchronousQueue q = new SynchronousQueue();
401	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
402	<	} catch (InterruptedException e){
403	<	unexpectedException();
404	<	}
334	>	public void testTimedPoll() throws InterruptedException {
335	>	SynchronousQueue q = new SynchronousQueue();
336	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
337		}
338
339		/**
340		* Interrupted timed poll throws InterruptedException instead of
341		* returning timeout status
342		*/
343	<	public void testInterruptedTimedPoll() {
412	<	Thread t = new Thread(new Runnable() {
413	<	public void run() {
414	<	try {
415	<	SynchronousQueue q = new SynchronousQueue();
416	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
417	<	} catch (InterruptedException success){
418	<	}
419	<	}});
420	<	t.start();
421	<	try {
422	<	Thread.sleep(SHORT_DELAY_MS);
423	<	t.interrupt();
424	<	t.join();
425	<	}
426	<	catch (InterruptedException ie) {
427	<	unexpectedException();
428	<	}
429	<	}
430	<
431	<	/**
432	<	*  timed poll before a delayed offer fails; after offer succeeds;
433	<	*  on interruption throws
434	<	*/
435	<	public void testTimedPollWithOffer() {
343	>	public void testInterruptedTimedPoll() throws InterruptedException {
344		final SynchronousQueue q = new SynchronousQueue();
345	<	Thread t = new Thread(new Runnable() {
346	<	public void run() {
347	<	try {
348	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
349	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
350	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
351	<	threadShouldThrow();
352	<	} catch (InterruptedException success) { }
353	<	}
446	<	});
447	<	try {
448	<	t.start();
449	<	Thread.sleep(SMALL_DELAY_MS);
450	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
451	<	t.interrupt();
452	<	t.join();
453	<	} catch (Exception e){
454	<	unexpectedException();
455	<	}
345	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
346	>	public void realRun() throws InterruptedException {
347	>	q.poll(SMALL_DELAY_MS, MILLISECONDS);
348	>	}});
349	>
350	>	t.start();
351	>	Thread.sleep(SHORT_DELAY_MS);
352	>	t.interrupt();
353	>	t.join();
354		}
355
356		/**
357		* Interrupted timed poll throws InterruptedException instead of
358		* returning timeout status
359		*/
360	<	public void testFairInterruptedTimedPoll() {
361	<	Thread t = new Thread(new Runnable() {
362	<	public void run() {
363	<	try {
364	<	SynchronousQueue q = new SynchronousQueue(true);
365	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
366	<	} catch (InterruptedException success){
469	<	}
470	<	}});
360	>	public void testFairInterruptedTimedPoll() throws InterruptedException {
361	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
362	>	public void realRun() throws InterruptedException {
363	>	SynchronousQueue q = new SynchronousQueue(true);
364	>	q.poll(SMALL_DELAY_MS, MILLISECONDS);
365	>	}});
366	>
367		t.start();
368	<	try {
369	<	Thread.sleep(SHORT_DELAY_MS);
370	<	t.interrupt();
475	<	t.join();
476	<	}
477	<	catch (InterruptedException ie) {
478	<	unexpectedException();
479	<	}
368	>	Thread.sleep(SHORT_DELAY_MS);
369	>	t.interrupt();
370	>	t.join();
371		}
372
373		/**
374		*  timed poll before a delayed offer fails; after offer succeeds;
375		*  on interruption throws
376		*/
377	<	public void testFairTimedPollWithOffer() {
377	>	public void testFairTimedPollWithOffer() throws InterruptedException {
378		final SynchronousQueue q = new SynchronousQueue(true);
379	<	Thread t = new Thread(new Runnable() {
380	<	public void run() {
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);
385	<	threadShouldThrow();
386	<	} catch (InterruptedException success) { }
387	<	}
388	<	});
389	<	try {
390	<	t.start();
391	<	Thread.sleep(SMALL_DELAY_MS);
392	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
393	<	t.interrupt();
503	<	t.join();
504	<	} catch (Exception e){
505	<	unexpectedException();
506	<	}
379	>	Thread t = new Thread(new CheckedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	try {
382	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
383	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
384	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
385	>	threadShouldThrow();
386	>	} catch (InterruptedException success) {}
387	>	}});
388	>
389	>	t.start();
390	>	Thread.sleep(SMALL_DELAY_MS);
391	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
392	>	t.interrupt();
393	>	t.join();
394		}
395
396
#	Line 512 | Line 399 | public class SynchronousQueueTest extend
399		*/
400		public void testPeek() {
401		SynchronousQueue q = new SynchronousQueue();
402	<	assertNull(q.peek());
402	>	assertNull(q.peek());
403		}
404
405		/**
#	Line 523 | Line 410 | public class SynchronousQueueTest extend
410		try {
411		q.element();
412		shouldThrow();
413	<	}
527	<	catch (NoSuchElementException success) {}
413	>	} catch (NoSuchElementException success) {}
414		}
415
416		/**
#	Line 535 | Line 421 | public class SynchronousQueueTest extend
421		try {
422		q.remove();
423		shouldThrow();
424	<	} catch (NoSuchElementException success){
539	<	}
424	>	} catch (NoSuchElementException success) {}
425		}
426
427		/**
#	Line 604 | Line 489 | public class SynchronousQueueTest extend
489		*/
490		public void testToArray() {
491		SynchronousQueue q = new SynchronousQueue();
492	<	Object[] o = q.toArray();
492	>	Object[] o = q.toArray();
493		assertEquals(o.length, 0);
494		}
495
#	Line 613 | Line 498 | public class SynchronousQueueTest extend
498		*/
499		public void testToArray2() {
500		SynchronousQueue q = new SynchronousQueue();
501	<	Integer[] ints = new Integer[1];
501	>	Integer[] ints = new Integer[1];
502		assertNull(ints[0]);
503		}
504
#	Line 621 | Line 506 | public class SynchronousQueueTest extend
506		* toArray(null) throws NPE
507		*/
508		public void testToArray_BadArg() {
509	<	try {
510	<	SynchronousQueue q = new SynchronousQueue();
511	<	Object o[] = q.toArray(null);
512	<	shouldThrow();
513	<	} catch (NullPointerException success){}
509	>	SynchronousQueue q = new SynchronousQueue();
510	>	try {
511	>	Object o[] = q.toArray(null);
512	>	shouldThrow();
513	>	} catch (NullPointerException success) {}
514		}
515
516
#	Line 634 | Line 519 | public class SynchronousQueueTest extend
519		*/
520		public void testIterator() {
521		SynchronousQueue q = new SynchronousQueue();
522	<	Iterator it = q.iterator();
522	>	Iterator it = q.iterator();
523		assertFalse(it.hasNext());
524		try {
525		Object x = it.next();
526		shouldThrow();
527	<	}
643	<	catch (NoSuchElementException success) {}
527	>	} catch (NoSuchElementException success) {}
528		}
529
530		/**
#	Line 648 | Line 532 | public class SynchronousQueueTest extend
532		*/
533		public void testIteratorRemove() {
534		SynchronousQueue q = new SynchronousQueue();
535	<	Iterator it = q.iterator();
535	>	Iterator it = q.iterator();
536		try {
537		it.remove();
538		shouldThrow();
539	<	}
656	<	catch (IllegalStateException success) {}
539	>	} catch (IllegalStateException success) {}
540		}
541
542		/**
#	Line 672 | Line 555 | public class SynchronousQueueTest extend
555		public void testOfferInExecutor() {
556		final SynchronousQueue q = new SynchronousQueue();
557		ExecutorService executor = Executors.newFixedThreadPool(2);
675	–	final Integer one = new Integer(1);
558
559	<	executor.execute(new Runnable() {
560	<	public void run() {
561	<	threadAssertFalse(q.offer(one));
562	<	try {
563	<	threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
564	<	threadAssertEquals(0, q.remainingCapacity());
565	<	}
566	<	catch (InterruptedException e) {
567	<	threadUnexpectedException();
568	<	}
569	<	}
570	<	});
689	<
690	<	executor.execute(new Runnable() {
691	<	public void run() {
692	<	try {
693	<	Thread.sleep(SMALL_DELAY_MS);
694	<	threadAssertEquals(one, q.take());
695	<	}
696	<	catch (InterruptedException e) {
697	<	threadUnexpectedException();
698	<	}
699	<	}
700	<	});
559	>	executor.execute(new CheckedRunnable() {
560	>	public void realRun() throws InterruptedException {
561	>	assertFalse(q.offer(one));
562	>	assertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS));
563	>	assertEquals(0, q.remainingCapacity());
564	>	}});
565	>
566	>	executor.execute(new CheckedRunnable() {
567	>	public void realRun() throws InterruptedException {
568	>	Thread.sleep(SMALL_DELAY_MS);
569	>	assertSame(one, q.take());
570	>	}});
571
572		joinPool(executor);
703	–
573		}
574
575		/**
#	Line 709 | Line 578 | public class SynchronousQueueTest extend
578		public void testPollInExecutor() {
579		final SynchronousQueue q = new SynchronousQueue();
580		ExecutorService executor = Executors.newFixedThreadPool(2);
581	<	executor.execute(new Runnable() {
582	<	public void run() {
583	<	threadAssertNull(q.poll());
584	<	try {
585	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
586	<	threadAssertTrue(q.isEmpty());
587	<	}
588	<	catch (InterruptedException e) {
589	<	threadUnexpectedException();
590	<	}
591	<	}
592	<	});
724	<
725	<	executor.execute(new Runnable() {
726	<	public void run() {
727	<	try {
728	<	Thread.sleep(SMALL_DELAY_MS);
729	<	q.put(new Integer(1));
730	<	}
731	<	catch (InterruptedException e) {
732	<	threadUnexpectedException();
733	<	}
734	<	}
735	<	});
581	>	executor.execute(new CheckedRunnable() {
582	>	public void realRun() throws InterruptedException {
583	>	assertNull(q.poll());
584	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
585	>	assertTrue(q.isEmpty());
586	>	}});
587	>
588	>	executor.execute(new CheckedRunnable() {
589	>	public void realRun() throws InterruptedException {
590	>	Thread.sleep(SHORT_DELAY_MS);
591	>	q.put(one);
592	>	}});
593
594		joinPool(executor);
595		}
#	Line 740 | Line 597 | public class SynchronousQueueTest extend
597		/**
598		* a deserialized serialized queue is usable
599		*/
600	<	public void testSerialization() {
600	>	public void testSerialization() throws Exception {
601		SynchronousQueue q = new SynchronousQueue();
602	<	try {
603	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
604	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
605	<	out.writeObject(q);
606	<	out.close();
607	<
608	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
609	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
610	<	SynchronousQueue r = (SynchronousQueue)in.readObject();
611	<	assertEquals(q.size(), r.size());
612	<	while (!q.isEmpty())
756	<	assertEquals(q.remove(), r.remove());
757	<	} catch (Exception e){
758	<	e.printStackTrace();
759	<	unexpectedException();
760	<	}
602	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
603	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
604	>	out.writeObject(q);
605	>	out.close();
606	>
607	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
608	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
609	>	SynchronousQueue r = (SynchronousQueue)in.readObject();
610	>	assertEquals(q.size(), r.size());
611	>	while (!q.isEmpty())
612	>	assertEquals(q.remove(), r.remove());
613		}
614
615		/**
#	Line 768 | Line 620 | public class SynchronousQueueTest extend
620		try {
621		q.drainTo(null);
622		shouldThrow();
623	<	} catch (NullPointerException success) {
772	<	}
623	>	} catch (NullPointerException success) {}
624		}
625
626		/**
#	Line 780 | Line 631 | public class SynchronousQueueTest extend
631		try {
632		q.drainTo(q);
633		shouldThrow();
634	<	} catch (IllegalArgumentException success) {
784	<	}
634	>	} catch (IllegalArgumentException success) {}
635		}
636
637		/**
#	Line 798 | Line 648 | public class SynchronousQueueTest extend
648		/**
649		* drainTo empties queue, unblocking a waiting put.
650		*/
651	<	public void testDrainToWithActivePut() {
651	>	public void testDrainToWithActivePut() throws InterruptedException {
652		final SynchronousQueue q = new SynchronousQueue();
653	<	Thread t = new Thread(new Runnable() {
654	<	public void run() {
655	<	try {
656	<	q.put(new Integer(1));
657	<	} catch (InterruptedException ie){
658	<	threadUnexpectedException();
659	<	}
660	<	}
661	<	});
662	<	try {
663	<	t.start();
664	<	ArrayList l = new ArrayList();
665	<	Thread.sleep(SHORT_DELAY_MS);
666	<	q.drainTo(l);
817	<	assertTrue(l.size() <= 1);
818	<	if (l.size() > 0)
819	<	assertEquals(l.get(0), new Integer(1));
820	<	t.join();
821	<	assertTrue(l.size() <= 1);
822	<	} catch (Exception e){
823	<	unexpectedException();
824	<	}
653	>	Thread t = new Thread(new CheckedRunnable() {
654	>	public void realRun() throws InterruptedException {
655	>	q.put(new Integer(1));
656	>	}});
657	>
658	>	t.start();
659	>	ArrayList l = new ArrayList();
660	>	Thread.sleep(SHORT_DELAY_MS);
661	>	q.drainTo(l);
662	>	assertTrue(l.size() <= 1);
663	>	if (l.size() > 0)
664	>	assertEquals(l.get(0), new Integer(1));
665	>	t.join();
666	>	assertTrue(l.size() <= 1);
667		}
668
669		/**
#	Line 832 | Line 674 | public class SynchronousQueueTest extend
674		try {
675		q.drainTo(null, 0);
676		shouldThrow();
677	<	} catch (NullPointerException success) {
836	<	}
677	>	} catch (NullPointerException success) {}
678		}
679
680		/**
#	Line 844 | Line 685 | public class SynchronousQueueTest extend
685		try {
686		q.drainTo(q, 0);
687		shouldThrow();
688	<	} catch (IllegalArgumentException success) {
848	<	}
688	>	} catch (IllegalArgumentException success) {}
689		}
690
691		/**
692		* drainTo(c, n) empties up to n elements of queue into c
693		*/
694	<	public void testDrainToN() {
694	>	public void testDrainToN() throws InterruptedException {
695		final SynchronousQueue q = new SynchronousQueue();
696	<	Thread t1 = new Thread(new Runnable() {
697	<	public void run() {
698	<	try {
699	<	q.put(one);
700	<	} catch (InterruptedException ie){
701	<	threadUnexpectedException();
702	<	}
703	<	}
704	<	});
865	<	Thread t2 = new Thread(new Runnable() {
866	<	public void run() {
867	<	try {
868	<	q.put(two);
869	<	} catch (InterruptedException ie){
870	<	threadUnexpectedException();
871	<	}
872	<	}
873	<	});
696	>	Thread t1 = new Thread(new CheckedRunnable() {
697	>	public void realRun() throws InterruptedException {
698	>	q.put(one);
699	>	}});
700	>
701	>	Thread t2 = new Thread(new CheckedRunnable() {
702	>	public void realRun() throws InterruptedException {
703	>	q.put(two);
704	>	}});
705
706	<	try {
707	<	t1.start();
708	<	t2.start();
709	<	ArrayList l = new ArrayList();
710	<	Thread.sleep(SHORT_DELAY_MS);
711	<	q.drainTo(l, 1);
712	<	assertTrue(l.size() == 1);
713	<	q.drainTo(l, 1);
714	<	assertTrue(l.size() == 2);
715	<	assertTrue(l.contains(one));
716	<	assertTrue(l.contains(two));
717	<	t1.join();
887	<	t2.join();
888	<	} catch (Exception e){
889	<	unexpectedException();
890	<	}
706	>	t1.start();
707	>	t2.start();
708	>	ArrayList l = new ArrayList();
709	>	Thread.sleep(SHORT_DELAY_MS);
710	>	q.drainTo(l, 1);
711	>	assertEquals(1, l.size());
712	>	q.drainTo(l, 1);
713	>	assertEquals(2, l.size());
714	>	assertTrue(l.contains(one));
715	>	assertTrue(l.contains(two));
716	>	t1.join();
717	>	t2.join();
718		}
719
893	–
720		}

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