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Comparing jsr166/src/test/tck/SynchronousQueueTest.java (file contents):
Revision 1.7 by dl, Sat Dec 27 19:26:44 2003 UTC vs.
Revision 1.15 by jsr166, Sat Nov 21 19:11:53 2009 UTC

#	Line 2 | Line 2
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
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 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(SynchronousQueueTest.class);
22	>	return new TestSuite(SynchronousQueueTest.class);
23		}
24
25		/**
#	Line 27 | Line 28 | public class SynchronousQueueTest extend
28		public void testEmptyFull() {
29		SynchronousQueue q = new SynchronousQueue();
30		assertTrue(q.isEmpty());
31	<	assertEquals(0, q.size());
31	>	assertEquals(0, q.size());
32	>	assertEquals(0, q.remainingCapacity());
33	>	assertFalse(q.offer(zero));
34	>	}
35	>
36	>	/**
37	>	* A fair SynchronousQueue is both empty and full
38	>	*/
39	>	public void testFairEmptyFull() {
40	>	SynchronousQueue q = new SynchronousQueue(true);
41	>	assertTrue(q.isEmpty());
42	>	assertEquals(0, q.size());
43		assertEquals(0, q.remainingCapacity());
44		assertFalse(q.offer(zero));
45		}
#	Line 36 | Line 48 | public class SynchronousQueueTest extend
48		* offer(null) throws NPE
49		*/
50		public void testOfferNull() {
51	<	try {
51	>	try {
52		SynchronousQueue q = new SynchronousQueue();
53		q.offer(null);
54		shouldThrow();
55	<	} catch (NullPointerException success) { }
55	>	} catch (NullPointerException success) {}
56		}
57
58		/**
59		* add(null) throws NPE
60		*/
61		public void testAddNull() {
62	<	try {
62	>	try {
63		SynchronousQueue q = new SynchronousQueue();
64		q.add(null);
65		shouldThrow();
66	<	} catch (NullPointerException success) { }
66	>	} catch (NullPointerException success) {}
67		}
68
69		/**
#	Line 66 | Line 78 | public class SynchronousQueueTest extend
78		* add throws ISE if no active taker
79		*/
80		public void testAdd() {
81	<	try {
81	>	try {
82		SynchronousQueue q = new SynchronousQueue();
83		assertEquals(0, q.remainingCapacity());
84		q.add(one);
85		shouldThrow();
86	<	} catch (IllegalStateException success){
75	<	}
86	>	} catch (IllegalStateException success) {}
87		}
88
89		/**
#	Line 83 | Line 94 | public class SynchronousQueueTest extend
94		SynchronousQueue q = new SynchronousQueue();
95		q.addAll(null);
96		shouldThrow();
97	<	}
87	<	catch (NullPointerException success) {}
97	>	} catch (NullPointerException success) {}
98		}
99
100		/**
#	Line 95 | Line 105 | public class SynchronousQueueTest extend
105		SynchronousQueue q = new SynchronousQueue();
106		q.addAll(q);
107		shouldThrow();
108	<	}
99	<	catch (IllegalArgumentException success) {}
108	>	} catch (IllegalArgumentException success) {}
109		}
110
111		/**
#	Line 108 | Line 117 | public class SynchronousQueueTest extend
117		Integer[] ints = new Integer[1];
118		q.addAll(Arrays.asList(ints));
119		shouldThrow();
120	<	}
112	<	catch (NullPointerException success) {}
120	>	} catch (NullPointerException success) {}
121		}
122		/**
123		* addAll throws ISE if no active taker
#	Line 122 | Line 130 | public class SynchronousQueueTest extend
130		ints[i] = new Integer(i);
131		q.addAll(Arrays.asList(ints));
132		shouldThrow();
133	<	}
126	<	catch (IllegalStateException success) {}
133	>	} catch (IllegalStateException success) {}
134		}
135
136		/**
137		* put(null) throws NPE
138		*/
139	<	public void testPutNull() {
140	<	try {
139	>	public void testPutNull() throws InterruptedException {
140	>	try {
141		SynchronousQueue q = new SynchronousQueue();
142		q.put(null);
143		shouldThrow();
144	<	}
138	<	catch (NullPointerException success){
139	<	}
140	<	catch (InterruptedException ie) {
141	<	unexpectedException();
142	<	}
144	>	} catch (NullPointerException success) {}
145		}
146
147		/**
148		* put blocks interruptibly if no active taker
149		*/
150	<	public void testBlockingPut() {
151	<	Thread t = new Thread(new Runnable() {
152	<	public void run() {
153	<	try {
154	<	SynchronousQueue q = new SynchronousQueue();
155	<	q.put(zero);
156	<	threadShouldThrow();
157	<	} catch (InterruptedException ie){
158	<	}
159	<	}});
160	<	t.start();
159	<	try {
160	<	Thread.sleep(SHORT_DELAY_MS);
161	<	t.interrupt();
162	<	t.join();
163	<	}
164	<	catch (InterruptedException ie) {
165	<	unexpectedException();
166	<	}
150	>	public void testBlockingPut() throws InterruptedException {
151	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
152	>	public void realRun() throws InterruptedException {
153	>	SynchronousQueue q = new SynchronousQueue();
154	>	q.put(zero);
155	>	}});
156	>
157	>	t.start();
158	>	Thread.sleep(SHORT_DELAY_MS);
159	>	t.interrupt();
160	>	t.join();
161		}
162
163		/**
164	<	* put blocks waiting for take
164	>	* put blocks waiting for take
165		*/
166	<	public void testPutWithTake() {
166	>	public void testPutWithTake() throws InterruptedException {
167		final SynchronousQueue q = new SynchronousQueue();
168	<	Thread t = new Thread(new Runnable() {
169	<	public void run() {
170	<	int added = 0;
171	<	try {
172	<	q.put(new Object());
173	<	++added;
174	<	q.put(new Object());
175	<	++added;
176	<	q.put(new Object());
177	<	++added;
178	<	q.put(new Object());
179	<	++added;
180	<	threadShouldThrow();
181	<	} catch (InterruptedException e){
182	<	assertTrue(added >= 1);
189	<	}
168	>	Thread t = new Thread(new CheckedRunnable() {
169	>	public void realRun() throws InterruptedException {
170	>	int added = 0;
171	>	try {
172	>	q.put(new Object());
173	>	++added;
174	>	q.put(new Object());
175	>	++added;
176	>	q.put(new Object());
177	>	++added;
178	>	q.put(new Object());
179	>	++added;
180	>	threadShouldThrow();
181	>	} catch (InterruptedException success) {
182	>	assertTrue(added >= 1);
183		}
184	<	});
185	<	try {
186	<	t.start();
187	<	Thread.sleep(SHORT_DELAY_MS);
188	<	q.take();
189	<	Thread.sleep(SHORT_DELAY_MS);
190	<	t.interrupt();
191	<	t.join();
199	<	} catch (Exception e){
200	<	unexpectedException();
201	<	}
184	>	}});
185	>
186	>	t.start();
187	>	Thread.sleep(SHORT_DELAY_MS);
188	>	q.take();
189	>	Thread.sleep(SHORT_DELAY_MS);
190	>	t.interrupt();
191	>	t.join();
192		}
193
194		/**
195		* timed offer times out if elements not taken
196		*/
197	<	public void testTimedOffer() {
197	>	public void testTimedOffer() throws InterruptedException {
198		final SynchronousQueue q = new SynchronousQueue();
199	<	Thread t = new Thread(new Runnable() {
200	<	public void run() {
201	<	try {
202	<
203	<	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
204	<	q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
205	<	threadShouldThrow();
206	<	} catch (InterruptedException success){}
207	<	}
208	<	});
219	<
220	<	try {
221	<	t.start();
222	<	Thread.sleep(SMALL_DELAY_MS);
223	<	t.interrupt();
224	<	t.join();
225	<	} catch (Exception e){
226	<	unexpectedException();
227	<	}
199	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
200	>	public void realRun() throws InterruptedException {
201	>	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
202	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
203	>	}});
204	>
205	>	t.start();
206	>	Thread.sleep(SMALL_DELAY_MS);
207	>	t.interrupt();
208	>	t.join();
209		}
210
211
212		/**
213		* take blocks interruptibly when empty
214		*/
215	<	public void testTakeFromEmpty() {
215	>	public void testTakeFromEmpty() throws InterruptedException {
216		final SynchronousQueue q = new SynchronousQueue();
217	<	Thread t = new Thread(new Runnable() {
218	<	public void run() {
219	<	try {
220	<	q.take();
221	<	threadShouldThrow();
222	<	} catch (InterruptedException success){ }
217	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
218	>	public void realRun() throws InterruptedException {
219	>	q.take();
220	>	}});
221	>
222	>	t.start();
223	>	Thread.sleep(SHORT_DELAY_MS);
224	>	t.interrupt();
225	>	t.join();
226	>	}
227	>
228	>
229	>	/**
230	>	* put blocks interruptibly if no active taker
231	>	*/
232	>	public void testFairBlockingPut() throws InterruptedException {
233	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
234	>	public void realRun() throws InterruptedException {
235	>	SynchronousQueue q = new SynchronousQueue(true);
236	>	q.put(zero);
237	>	}});
238	>
239	>	t.start();
240	>	Thread.sleep(SHORT_DELAY_MS);
241	>	t.interrupt();
242	>	t.join();
243	>	}
244	>
245	>	/**
246	>	* put blocks waiting for take
247	>	*/
248	>	public void testFairPutWithTake() throws InterruptedException {
249	>	final SynchronousQueue q = new SynchronousQueue(true);
250	>	Thread t = new Thread(new CheckedRunnable() {
251	>	public void realRun() throws InterruptedException {
252	>	int added = 0;
253	>	try {
254	>	q.put(new Object());
255	>	++added;
256	>	q.put(new Object());
257	>	++added;
258	>	q.put(new Object());
259	>	++added;
260	>	q.put(new Object());
261	>	++added;
262	>	threadShouldThrow();
263	>	} catch (InterruptedException success) {
264	>	assertTrue(added >= 1);
265		}
266	<	});
267	<	try {
268	<	t.start();
269	<	Thread.sleep(SHORT_DELAY_MS);
270	<	t.interrupt();
271	<	t.join();
272	<	} catch (Exception e){
273	<	unexpectedException();
274	<	}
266	>	}});
267	>
268	>	t.start();
269	>	Thread.sleep(SHORT_DELAY_MS);
270	>	q.take();
271	>	Thread.sleep(SHORT_DELAY_MS);
272	>	t.interrupt();
273	>	t.join();
274	>	}
275	>
276	>	/**
277	>	* timed offer times out if elements not taken
278	>	*/
279	>	public void testFairTimedOffer() throws InterruptedException {
280	>	final SynchronousQueue q = new SynchronousQueue(true);
281	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
282	>	public void realRun() throws InterruptedException {
283	>	threadAssertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
284	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
285	>	}});
286	>
287	>	t.start();
288	>	Thread.sleep(SMALL_DELAY_MS);
289	>	t.interrupt();
290	>	t.join();
291	>	}
292	>
293	>
294	>	/**
295	>	* take blocks interruptibly when empty
296	>	*/
297	>	public void testFairTakeFromEmpty() throws InterruptedException {
298	>	final SynchronousQueue q = new SynchronousQueue(true);
299	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
300	>	public void realRun() throws InterruptedException {
301	>	q.take();
302	>	}});
303	>
304	>	t.start();
305	>	Thread.sleep(SHORT_DELAY_MS);
306	>	t.interrupt();
307	>	t.join();
308		}
309
310		/**
#	Line 256 | Line 312 | public class SynchronousQueueTest extend
312		*/
313		public void testPoll() {
314		SynchronousQueue q = new SynchronousQueue();
315	<	assertNull(q.poll());
315	>	assertNull(q.poll());
316		}
317
318		/**
319		* timed pool with zero timeout times out if no active taker
320		*/
321	<	public void testTimedPoll0() {
322	<	try {
323	<	SynchronousQueue q = new SynchronousQueue();
268	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
269	<	} catch (InterruptedException e){
270	<	unexpectedException();
271	<	}
321	>	public void testTimedPoll0() throws InterruptedException {
322	>	SynchronousQueue q = new SynchronousQueue();
323	>	assertNull(q.poll(0, MILLISECONDS));
324		}
325
326		/**
327		* timed pool with nonzero timeout times out if no active taker
328		*/
329	<	public void testTimedPoll() {
330	<	try {
331	<	SynchronousQueue q = new SynchronousQueue();
280	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
281	<	} catch (InterruptedException e){
282	<	unexpectedException();
283	<	}
329	>	public void testTimedPoll() throws InterruptedException {
330	>	SynchronousQueue q = new SynchronousQueue();
331	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
332		}
333
334		/**
335		* Interrupted timed poll throws InterruptedException instead of
336		* returning timeout status
337		*/
338	<	public void testInterruptedTimedPoll() {
339	<	Thread t = new Thread(new Runnable() {
340	<	public void run() {
341	<	try {
342	<	SynchronousQueue q = new SynchronousQueue();
343	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
344	<	} catch (InterruptedException success){
345	<	}
346	<	}});
347	<	t.start();
348	<	try {
301	<	Thread.sleep(SHORT_DELAY_MS);
302	<	t.interrupt();
303	<	t.join();
304	<	}
305	<	catch (InterruptedException ie) {
306	<	unexpectedException();
307	<	}
338	>	public void testInterruptedTimedPoll() throws InterruptedException {
339	>	final SynchronousQueue q = new SynchronousQueue();
340	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	q.poll(SMALL_DELAY_MS, MILLISECONDS);
343	>	}});
344	>
345	>	t.start();
346	>	Thread.sleep(SHORT_DELAY_MS);
347	>	t.interrupt();
348	>	t.join();
349		}
350
351		/**
352		*  timed poll before a delayed offer fails; after offer succeeds;
353		*  on interruption throws
354		*/
355	<	public void testTimedPollWithOffer() {
355	>	public void testTimedPollWithOffer() throws InterruptedException {
356		final SynchronousQueue q = new SynchronousQueue();
357	<	Thread t = new Thread(new Runnable() {
358	<	public void run() {
359	<	try {
360	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
361	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
362	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
363	<	threadShouldThrow();
364	<	} catch (InterruptedException success) { }
365	<	}
366	<	});
367	<	try {
368	<	t.start();
369	<	Thread.sleep(SMALL_DELAY_MS);
370	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
371	<	t.interrupt();
372	<	t.join();
373	<	} catch (Exception e){
374	<	unexpectedException();
375	<	}
376	<	}
357	>	Thread t = new Thread(new CheckedRunnable() {
358	>	public void realRun() throws InterruptedException {
359	>	threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
360	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
361	>	try {
362	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
363	>	threadShouldThrow();
364	>	} catch (InterruptedException success) {}
365	>	}});
366	>
367	>	t.start();
368	>	Thread.sleep(SMALL_DELAY_MS);
369	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
370	>	t.interrupt();
371	>	t.join();
372	>	}
373	>
374	>	/**
375	>	* Interrupted timed poll throws InterruptedException instead of
376	>	* returning timeout status
377	>	*/
378	>	public void testFairInterruptedTimedPoll() throws InterruptedException {
379	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
380	>	public void realRun() throws InterruptedException {
381	>	SynchronousQueue q = new SynchronousQueue(true);
382	>	q.poll(SMALL_DELAY_MS, MILLISECONDS);
383	>	}});
384	>
385	>	t.start();
386	>	Thread.sleep(SHORT_DELAY_MS);
387	>	t.interrupt();
388	>	t.join();
389	>	}
390	>
391	>	/**
392	>	*  timed poll before a delayed offer fails; after offer succeeds;
393	>	*  on interruption throws
394	>	*/
395	>	public void testFairTimedPollWithOffer() throws InterruptedException {
396	>	final SynchronousQueue q = new SynchronousQueue(true);
397	>	Thread t = new Thread(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
400	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
401	>	try {
402	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
403	>	threadShouldThrow();
404	>	} catch (InterruptedException success) {}
405	>	}});
406	>
407	>	t.start();
408	>	Thread.sleep(SMALL_DELAY_MS);
409	>	assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
410	>	t.interrupt();
411	>	t.join();
412	>	}
413
414
415		/**
#	Line 340 | Line 417 | public class SynchronousQueueTest extend
417		*/
418		public void testPeek() {
419		SynchronousQueue q = new SynchronousQueue();
420	<	assertNull(q.peek());
420	>	assertNull(q.peek());
421		}
422
423		/**
#	Line 351 | Line 428 | public class SynchronousQueueTest extend
428		try {
429		q.element();
430		shouldThrow();
431	<	}
355	<	catch (NoSuchElementException success) {}
431	>	} catch (NoSuchElementException success) {}
432		}
433
434		/**
#	Line 363 | Line 439 | public class SynchronousQueueTest extend
439		try {
440		q.remove();
441		shouldThrow();
442	<	} catch (NoSuchElementException success){
443	<	}
442	>	} catch (NoSuchElementException success) {
443	>	}
444		}
445
446		/**
#	Line 375 | Line 451 | public class SynchronousQueueTest extend
451		assertFalse(q.remove(zero));
452		assertTrue(q.isEmpty());
453		}
454	<
454	>
455		/**
456		* contains returns false
457		*/
#	Line 432 | Line 508 | public class SynchronousQueueTest extend
508		*/
509		public void testToArray() {
510		SynchronousQueue q = new SynchronousQueue();
511	<	Object[] o = q.toArray();
511	>	Object[] o = q.toArray();
512		assertEquals(o.length, 0);
513		}
514
#	Line 441 | Line 517 | public class SynchronousQueueTest extend
517		*/
518		public void testToArray2() {
519		SynchronousQueue q = new SynchronousQueue();
520	<	Integer[] ints = new Integer[1];
520	>	Integer[] ints = new Integer[1];
521		assertNull(ints[0]);
522		}
523	<
523	>
524		/**
525		* toArray(null) throws NPE
526		*/
527		public void testToArray_BadArg() {
528	<	try {
528	>	try {
529		SynchronousQueue q = new SynchronousQueue();
530	<	Object o[] = q.toArray(null);
531	<	shouldThrow();
532	<	} catch(NullPointerException success){}
530	>	Object o[] = q.toArray(null);
531	>	shouldThrow();
532	>	} catch (NullPointerException success) {}
533		}
534
535
#	Line 462 | Line 538 | public class SynchronousQueueTest extend
538		*/
539		public void testIterator() {
540		SynchronousQueue q = new SynchronousQueue();
541	<	Iterator it = q.iterator();
541	>	Iterator it = q.iterator();
542		assertFalse(it.hasNext());
543		try {
544		Object x = it.next();
545		shouldThrow();
546	<	}
471	<	catch (NoSuchElementException success) {}
546	>	} catch (NoSuchElementException success) {}
547		}
548
549		/**
#	Line 476 | Line 551 | public class SynchronousQueueTest extend
551		*/
552		public void testIteratorRemove() {
553		SynchronousQueue q = new SynchronousQueue();
554	<	Iterator it = q.iterator();
554	>	Iterator it = q.iterator();
555		try {
556		it.remove();
557		shouldThrow();
558	<	}
484	<	catch (IllegalStateException success) {}
558	>	} catch (IllegalStateException success) {}
559		}
560
561		/**
#	Line 491 | Line 565 | public class SynchronousQueueTest extend
565		SynchronousQueue q = new SynchronousQueue();
566		String s = q.toString();
567		assertNotNull(s);
568	<	}
568	>	}
569
570
571		/**
#	Line 502 | Line 576 | public class SynchronousQueueTest extend
576		ExecutorService executor = Executors.newFixedThreadPool(2);
577		final Integer one = new Integer(1);
578
579	<	executor.execute(new Runnable() {
580	<	public void run() {
579	>	executor.execute(new CheckedRunnable() {
580	>	public void realRun() throws InterruptedException {
581		threadAssertFalse(q.offer(one));
582	<	try {
583	<	threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
584	<	threadAssertEquals(0, q.remainingCapacity());
585	<	}
586	<	catch (InterruptedException e) {
587	<	threadUnexpectedException();
588	<	}
589	<	}
590	<	});
582	>	threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS));
583	>	threadAssertEquals(0, q.remainingCapacity());
584	>	}});
585	>
586	>	executor.execute(new CheckedRunnable() {
587	>	public void realRun() throws InterruptedException {
588	>	Thread.sleep(SMALL_DELAY_MS);
589	>	threadAssertEquals(one, q.take());
590	>	}});
591
518	–	executor.execute(new Runnable() {
519	–	public void run() {
520	–	try {
521	–	Thread.sleep(SMALL_DELAY_MS);
522	–	threadAssertEquals(one, q.take());
523	–	}
524	–	catch (InterruptedException e) {
525	–	threadUnexpectedException();
526	–	}
527	–	}
528	–	});
529	–
592		joinPool(executor);
593
594		}
#	Line 537 | Line 599 | public class SynchronousQueueTest extend
599		public void testPollInExecutor() {
600		final SynchronousQueue q = new SynchronousQueue();
601		ExecutorService executor = Executors.newFixedThreadPool(2);
602	<	executor.execute(new Runnable() {
603	<	public void run() {
602	>	executor.execute(new CheckedRunnable() {
603	>	public void realRun() throws InterruptedException {
604		threadAssertNull(q.poll());
605	<	try {
606	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
607	<	threadAssertTrue(q.isEmpty());
608	<	}
609	<	catch (InterruptedException e) {
610	<	threadUnexpectedException();
611	<	}
612	<	}
613	<	});
605	>	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
606	>	threadAssertTrue(q.isEmpty());
607	>	}});
608	>
609	>	executor.execute(new CheckedRunnable() {
610	>	public void realRun() throws InterruptedException {
611	>	Thread.sleep(SMALL_DELAY_MS);
612	>	q.put(new Integer(1));
613	>	}});
614
553	–	executor.execute(new Runnable() {
554	–	public void run() {
555	–	try {
556	–	Thread.sleep(SMALL_DELAY_MS);
557	–	q.put(new Integer(1));
558	–	}
559	–	catch (InterruptedException e) {
560	–	threadUnexpectedException();
561	–	}
562	–	}
563	–	});
564	–
615		joinPool(executor);
616		}
617
618		/**
619		* a deserialized serialized queue is usable
620		*/
621	<	public void testSerialization() {
621	>	public void testSerialization() throws Exception {
622		SynchronousQueue q = new SynchronousQueue();
623	<	try {
624	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
625	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
626	<	out.writeObject(q);
627	<	out.close();
628	<
629	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
630	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
631	<	SynchronousQueue r = (SynchronousQueue)in.readObject();
632	<	assertEquals(q.size(), r.size());
633	<	while (!q.isEmpty())
584	<	assertEquals(q.remove(), r.remove());
585	<	} catch(Exception e){
586	<	unexpectedException();
587	<	}
623	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
624	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
625	>	out.writeObject(q);
626	>	out.close();
627	>
628	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
629	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
630	>	SynchronousQueue r = (SynchronousQueue)in.readObject();
631	>	assertEquals(q.size(), r.size());
632	>	while (!q.isEmpty())
633	>	assertEquals(q.remove(), r.remove());
634		}
635
636		/**
637		* drainTo(null) throws NPE
638	<	*/
638	>	*/
639		public void testDrainToNull() {
640		SynchronousQueue q = new SynchronousQueue();
641		try {
642		q.drainTo(null);
643		shouldThrow();
644	<	} catch(NullPointerException success) {
599	<	}
644	>	} catch (NullPointerException success) {}
645		}
646
647		/**
648		* drainTo(this) throws IAE
649	<	*/
649	>	*/
650		public void testDrainToSelf() {
651		SynchronousQueue q = new SynchronousQueue();
652		try {
653		q.drainTo(q);
654		shouldThrow();
655	<	} catch(IllegalArgumentException success) {
611	<	}
655	>	} catch (IllegalArgumentException success) {}
656		}
657
658		/**
659		* drainTo(c) of empty queue doesn't transfer elements
660	<	*/
660	>	*/
661		public void testDrainTo() {
662		SynchronousQueue q = new SynchronousQueue();
663		ArrayList l = new ArrayList();
#	Line 624 | Line 668 | public class SynchronousQueueTest extend
668
669		/**
670		* drainTo empties queue, unblocking a waiting put.
671	<	*/
672	<	public void testDrainToWithActivePut() {
671	>	*/
672	>	public void testDrainToWithActivePut() throws InterruptedException {
673		final SynchronousQueue q = new SynchronousQueue();
674	<	Thread t = new Thread(new Runnable() {
675	<	public void run() {
676	<	try {
677	<	q.put(new Integer(1));
678	<	} catch (InterruptedException ie){
679	<	threadUnexpectedException();
680	<	}
681	<	}
682	<	});
683	<	try {
684	<	t.start();
685	<	ArrayList l = new ArrayList();
686	<	Thread.sleep(SHORT_DELAY_MS);
687	<	q.drainTo(l);
644	<	assertTrue(l.size() <= 1);
645	<	if (l.size() > 0)
646	<	assertEquals(l.get(0), new Integer(1));
647	<	t.join();
648	<	assertTrue(l.size() <= 1);
649	<	} catch(Exception e){
650	<	unexpectedException();
651	<	}
674	>	Thread t = new Thread(new CheckedRunnable() {
675	>	public void realRun() throws InterruptedException {
676	>	q.put(new Integer(1));
677	>	}});
678	>
679	>	t.start();
680	>	ArrayList l = new ArrayList();
681	>	Thread.sleep(SHORT_DELAY_MS);
682	>	q.drainTo(l);
683	>	assertTrue(l.size() <= 1);
684	>	if (l.size() > 0)
685	>	assertEquals(l.get(0), new Integer(1));
686	>	t.join();
687	>	assertTrue(l.size() <= 1);
688		}
689
690		/**
691		* drainTo(null, n) throws NPE
692	<	*/
692	>	*/
693		public void testDrainToNullN() {
694		SynchronousQueue q = new SynchronousQueue();
695		try {
696		q.drainTo(null, 0);
697		shouldThrow();
698	<	} catch(NullPointerException success) {
663	<	}
698	>	} catch (NullPointerException success) {}
699		}
700
701		/**
702		* drainTo(this, n) throws IAE
703	<	*/
703	>	*/
704		public void testDrainToSelfN() {
705		SynchronousQueue q = new SynchronousQueue();
706		try {
707		q.drainTo(q, 0);
708		shouldThrow();
709	<	} catch(IllegalArgumentException success) {
709	>	} catch (IllegalArgumentException success) {
710		}
711		}
712
713		/**
714		* drainTo(c, n) empties up to n elements of queue into c
715	<	*/
716	<	public void testDrainToN() {
715	>	*/
716	>	public void testDrainToN() throws InterruptedException {
717		final SynchronousQueue q = new SynchronousQueue();
718	<	Thread t1 = new Thread(new Runnable() {
719	<	public void run() {
720	<	try {
721	<	q.put(one);
722	<	} catch (InterruptedException ie){
723	<	threadUnexpectedException();
724	<	}
725	<	}
726	<	});
692	<	Thread t2 = new Thread(new Runnable() {
693	<	public void run() {
694	<	try {
695	<	q.put(two);
696	<	} catch (InterruptedException ie){
697	<	threadUnexpectedException();
698	<	}
699	<	}
700	<	});
718	>	Thread t1 = new Thread(new CheckedRunnable() {
719	>	public void realRun() throws InterruptedException {
720	>	q.put(one);
721	>	}});
722	>
723	>	Thread t2 = new Thread(new CheckedRunnable() {
724	>	public void realRun() throws InterruptedException {
725	>	q.put(two);
726	>	}});
727
728	<	try {
729	<	t1.start();
730	<	t2.start();
731	<	ArrayList l = new ArrayList();
732	<	Thread.sleep(SHORT_DELAY_MS);
733	<	q.drainTo(l, 1);
734	<	assertTrue(l.size() == 1);
735	<	q.drainTo(l, 1);
736	<	assertTrue(l.size() == 2);
737	<	assertTrue(l.contains(one));
738	<	assertTrue(l.contains(two));
739	<	t1.join();
714	<	t2.join();
715	<	} catch(Exception e){
716	<	unexpectedException();
717	<	}
728	>	t1.start();
729	>	t2.start();
730	>	ArrayList l = new ArrayList();
731	>	Thread.sleep(SHORT_DELAY_MS);
732	>	q.drainTo(l, 1);
733	>	assertTrue(l.size() == 1);
734	>	q.drainTo(l, 1);
735	>	assertTrue(l.size() == 2);
736	>	assertTrue(l.contains(one));
737	>	assertTrue(l.contains(two));
738	>	t1.join();
739	>	t2.join();
740		}
741
720	–
742		}

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