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

Comparing jsr166/src/test/tck/SynchronousQueueTest.java (file contents):
Revision 1.11 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.17 by jsr166, Sat Nov 21 22:00:46 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 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		}
#	Line 38 | Line 39 | public class SynchronousQueueTest extend
39		public void testFairEmptyFull() {
40		SynchronousQueue q = new SynchronousQueue(true);
41		assertTrue(q.isEmpty());
42	<	assertEquals(0, q.size());
42	>	assertEquals(0, q.size());
43		assertEquals(0, q.remainingCapacity());
44		assertFalse(q.offer(zero));
45		}
#	Line 47 | 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 77 | 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){
86	<	}
86	>	} catch (IllegalStateException success) {}
87		}
88
89		/**
#	Line 94 | Line 94 | public class SynchronousQueueTest extend
94		SynchronousQueue q = new SynchronousQueue();
95		q.addAll(null);
96		shouldThrow();
97	<	}
98	<	catch (NullPointerException success) {}
97	>	} catch (NullPointerException success) {}
98		}
99
100		/**
#	Line 106 | Line 105 | public class SynchronousQueueTest extend
105		SynchronousQueue q = new SynchronousQueue();
106		q.addAll(q);
107		shouldThrow();
108	<	}
110	<	catch (IllegalArgumentException success) {}
108	>	} catch (IllegalArgumentException success) {}
109		}
110
111		/**
#	Line 119 | Line 117 | public class SynchronousQueueTest extend
117		Integer[] ints = new Integer[1];
118		q.addAll(Arrays.asList(ints));
119		shouldThrow();
120	<	}
123	<	catch (NullPointerException success) {}
120	>	} catch (NullPointerException success) {}
121		}
122		/**
123		* addAll throws ISE if no active taker
#	Line 133 | Line 130 | public class SynchronousQueueTest extend
130		ints[i] = new Integer(i);
131		q.addAll(Arrays.asList(ints));
132		shouldThrow();
133	<	}
137	<	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	<	}
149	<	catch (NullPointerException success){
150	<	}
151	<	catch (InterruptedException ie) {
152	<	unexpectedException();
153	<	}
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();
170	<	try {
171	<	Thread.sleep(SHORT_DELAY_MS);
172	<	t.interrupt();
173	<	t.join();
174	<	}
175	<	catch (InterruptedException ie) {
176	<	unexpectedException();
177	<	}
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
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);
200	<	}
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();
210	<	} catch (Exception e){
211	<	unexpectedException();
212	<	}
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));
225	<	q.offer(new Object(), LONG_DELAY_MS, TimeUnit.MILLISECONDS);
226	<	threadShouldThrow();
227	<	} catch (InterruptedException success){}
228	<	}
229	<	});
199	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
200	>	public void realRun() throws InterruptedException {
201	>	assertFalse(q.offer(new Object(), SHORT_DELAY_MS, MILLISECONDS));
202	>	q.offer(new Object(), LONG_DELAY_MS, MILLISECONDS);
203	>	}});
204
205	<	try {
206	<	t.start();
207	<	Thread.sleep(SMALL_DELAY_MS);
208	<	t.interrupt();
235	<	t.join();
236	<	} catch (Exception e){
237	<	unexpectedException();
238	<	}
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){ }
223	<	}
224	<	});
225	<	try {
256	<	t.start();
257	<	Thread.sleep(SHORT_DELAY_MS);
258	<	t.interrupt();
259	<	t.join();
260	<	} catch (Exception e){
261	<	unexpectedException();
262	<	}
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() {
233	<	Thread t = new Thread(new Runnable() {
234	<	public void run() {
235	<	try {
236	<	SynchronousQueue q = new SynchronousQueue(true);
237	<	q.put(zero);
238	<	threadShouldThrow();
239	<	} catch (InterruptedException ie){
240	<	}
241	<	}});
242	<	t.start();
280	<	try {
281	<	Thread.sleep(SHORT_DELAY_MS);
282	<	t.interrupt();
283	<	t.join();
284	<	}
285	<	catch (InterruptedException ie) {
286	<	unexpectedException();
287	<	}
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() {
248	>	public void testFairPutWithTake() throws InterruptedException {
249		final SynchronousQueue q = new SynchronousQueue(true);
250	<	Thread t = new Thread(new Runnable() {
251	<	public void run() {
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 e){
264	<	assertTrue(added >= 1);
310	<	}
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	<	q.take();
271	<	Thread.sleep(SHORT_DELAY_MS);
272	<	t.interrupt();
273	<	t.join();
320	<	} catch (Exception e){
321	<	unexpectedException();
322	<	}
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() {
279	>	public void testFairTimedOffer() throws InterruptedException {
280		final SynchronousQueue q = new SynchronousQueue(true);
281	<	Thread t = new Thread(new Runnable() {
282	<	public void run() {
283	<	try {
284	<
285	<	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	<	});
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	<	try {
288	<	t.start();
289	<	Thread.sleep(SMALL_DELAY_MS);
290	<	t.interrupt();
345	<	t.join();
346	<	} catch (Exception e){
347	<	unexpectedException();
348	<	}
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() {
297	>	public void testFairTakeFromEmpty() throws InterruptedException {
298		final SynchronousQueue q = new SynchronousQueue(true);
299	<	Thread t = new Thread(new Runnable() {
300	<	public void run() {
301	<	try {
302	<	q.take();
303	<	threadShouldThrow();
304	<	} catch (InterruptedException success){ }
305	<	}
306	<	});
307	<	try {
366	<	t.start();
367	<	Thread.sleep(SHORT_DELAY_MS);
368	<	t.interrupt();
369	<	t.join();
370	<	} catch (Exception e){
371	<	unexpectedException();
372	<	}
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 377 | 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();
389	<	assertNull(q.poll(0, TimeUnit.MILLISECONDS));
390	<	} catch (InterruptedException e){
391	<	unexpectedException();
392	<	}
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();
401	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
402	<	} catch (InterruptedException e){
403	<	unexpectedException();
404	<	}
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 {
422	<	Thread.sleep(SHORT_DELAY_MS);
423	<	t.interrupt();
424	<	t.join();
425	<	}
426	<	catch (InterruptedException ie) {
427	<	unexpectedException();
428	<	}
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();
452	<	t.join();
453	<	} catch (Exception e){
454	<	unexpectedException();
455	<	}
357	>	Thread t = new Thread(new CheckedRunnable() {
358	>	public void realRun() throws InterruptedException {
359	>	assertNull(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	>	shouldThrow();
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() {
379	<	Thread t = new Thread(new Runnable() {
380	<	public void run() {
381	<	try {
382	<	SynchronousQueue q = new SynchronousQueue(true);
383	<	assertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
384	<	} catch (InterruptedException success){
385	<	}
386	<	}});
387	<	t.start();
388	<	try {
473	<	Thread.sleep(SHORT_DELAY_MS);
474	<	t.interrupt();
475	<	t.join();
476	<	}
477	<	catch (InterruptedException ie) {
478	<	unexpectedException();
479	<	}
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() {
395	>	public void testFairTimedPollWithOffer() throws InterruptedException {
396		final SynchronousQueue q = new SynchronousQueue(true);
397	<	Thread t = new Thread(new Runnable() {
398	<	public void run() {
399	<	try {
400	<	threadAssertNull(q.poll(SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
401	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
402	<	q.poll(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
403	<	threadShouldThrow();
404	<	} catch (InterruptedException success) { }
405	<	}
406	<	});
407	<	try {
408	<	t.start();
409	<	Thread.sleep(SMALL_DELAY_MS);
410	<	assertTrue(q.offer(zero, SHORT_DELAY_MS, TimeUnit.MILLISECONDS));
411	<	t.interrupt();
503	<	t.join();
504	<	} catch (Exception e){
505	<	unexpectedException();
506	<	}
397	>	Thread t = new Thread(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	assertNull(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
#	Line 512 | 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 523 | Line 428 | public class SynchronousQueueTest extend
428		try {
429		q.element();
430		shouldThrow();
431	<	}
527	<	catch (NoSuchElementException success) {}
431	>	} catch (NoSuchElementException success) {}
432		}
433
434		/**
#	Line 535 | Line 439 | public class SynchronousQueueTest extend
439		try {
440		q.remove();
441		shouldThrow();
442	<	} catch (NoSuchElementException success){
539	<	}
442	>	} catch (NoSuchElementException success) {}
443		}
444
445		/**
#	Line 604 | Line 507 | public class SynchronousQueueTest extend
507		*/
508		public void testToArray() {
509		SynchronousQueue q = new SynchronousQueue();
510	<	Object[] o = q.toArray();
510	>	Object[] o = q.toArray();
511		assertEquals(o.length, 0);
512		}
513
#	Line 613 | Line 516 | public class SynchronousQueueTest extend
516		*/
517		public void testToArray2() {
518		SynchronousQueue q = new SynchronousQueue();
519	<	Integer[] ints = new Integer[1];
519	>	Integer[] ints = new Integer[1];
520		assertNull(ints[0]);
521		}
522
#	Line 621 | Line 524 | public class SynchronousQueueTest extend
524		* toArray(null) throws NPE
525		*/
526		public void testToArray_BadArg() {
527	<	try {
527	>	try {
528		SynchronousQueue q = new SynchronousQueue();
529	<	Object o[] = q.toArray(null);
530	<	shouldThrow();
531	<	} catch (NullPointerException success){}
529	>	Object o[] = q.toArray(null);
530	>	shouldThrow();
531	>	} catch (NullPointerException success) {}
532		}
533
534
#	Line 634 | Line 537 | public class SynchronousQueueTest extend
537		*/
538		public void testIterator() {
539		SynchronousQueue q = new SynchronousQueue();
540	<	Iterator it = q.iterator();
540	>	Iterator it = q.iterator();
541		assertFalse(it.hasNext());
542		try {
543		Object x = it.next();
544		shouldThrow();
545	<	}
643	<	catch (NoSuchElementException success) {}
545	>	} catch (NoSuchElementException success) {}
546		}
547
548		/**
#	Line 648 | Line 550 | public class SynchronousQueueTest extend
550		*/
551		public void testIteratorRemove() {
552		SynchronousQueue q = new SynchronousQueue();
553	<	Iterator it = q.iterator();
553	>	Iterator it = q.iterator();
554		try {
555		it.remove();
556		shouldThrow();
557	<	}
656	<	catch (IllegalStateException success) {}
557	>	} catch (IllegalStateException success) {}
558		}
559
560		/**
#	Line 674 | Line 575 | public class SynchronousQueueTest extend
575		ExecutorService executor = Executors.newFixedThreadPool(2);
576		final Integer one = new Integer(1);
577
578	<	executor.execute(new Runnable() {
579	<	public void run() {
578	>	executor.execute(new CheckedRunnable() {
579	>	public void realRun() throws InterruptedException {
580		threadAssertFalse(q.offer(one));
581	<	try {
582	<	threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
583	<	threadAssertEquals(0, q.remainingCapacity());
584	<	}
585	<	catch (InterruptedException e) {
586	<	threadUnexpectedException();
587	<	}
588	<	}
589	<	});
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	<	});
581	>	threadAssertTrue(q.offer(one, MEDIUM_DELAY_MS, MILLISECONDS));
582	>	threadAssertEquals(0, q.remainingCapacity());
583	>	}});
584	>
585	>	executor.execute(new CheckedRunnable() {
586	>	public void realRun() throws InterruptedException {
587	>	Thread.sleep(SMALL_DELAY_MS);
588	>	threadAssertEquals(one, q.take());
589	>	}});
590
591		joinPool(executor);
592
#	Line 709 | Line 598 | public class SynchronousQueueTest extend
598		public void testPollInExecutor() {
599		final SynchronousQueue q = new SynchronousQueue();
600		ExecutorService executor = Executors.newFixedThreadPool(2);
601	<	executor.execute(new Runnable() {
602	<	public void run() {
601	>	executor.execute(new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603		threadAssertNull(q.poll());
604	<	try {
605	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS));
606	<	threadAssertTrue(q.isEmpty());
607	<	}
608	<	catch (InterruptedException e) {
609	<	threadUnexpectedException();
610	<	}
611	<	}
612	<	});
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	<	});
604	>	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
605	>	threadAssertTrue(q.isEmpty());
606	>	}});
607	>
608	>	executor.execute(new CheckedRunnable() {
609	>	public void realRun() throws InterruptedException {
610	>	Thread.sleep(SMALL_DELAY_MS);
611	>	q.put(new Integer(1));
612	>	}});
613
614		joinPool(executor);
615		}
#	Line 740 | Line 617 | public class SynchronousQueueTest extend
617		/**
618		* a deserialized serialized queue is usable
619		*/
620	<	public void testSerialization() {
620	>	public void testSerialization() throws Exception {
621		SynchronousQueue q = new SynchronousQueue();
622	<	try {
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())
756	<	assertEquals(q.remove(), r.remove());
757	<	} catch (Exception e){
758	<	e.printStackTrace();
759	<	unexpectedException();
760	<	}
622	>	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
623	>	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
624	>	out.writeObject(q);
625	>	out.close();
626	>
627	>	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
628	>	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
629	>	SynchronousQueue r = (SynchronousQueue)in.readObject();
630	>	assertEquals(q.size(), r.size());
631	>	while (!q.isEmpty())
632	>	assertEquals(q.remove(), r.remove());
633		}
634
635		/**
#	Line 768 | Line 640 | public class SynchronousQueueTest extend
640		try {
641		q.drainTo(null);
642		shouldThrow();
643	<	} catch (NullPointerException success) {
772	<	}
643	>	} catch (NullPointerException success) {}
644		}
645
646		/**
#	Line 780 | Line 651 | public class SynchronousQueueTest extend
651		try {
652		q.drainTo(q);
653		shouldThrow();
654	<	} catch (IllegalArgumentException success) {
784	<	}
654	>	} catch (IllegalArgumentException success) {}
655		}
656
657		/**
#	Line 798 | Line 668 | public class SynchronousQueueTest extend
668		/**
669		* drainTo empties queue, unblocking a waiting put.
670		*/
671	<	public void testDrainToWithActivePut() {
671	>	public void testDrainToWithActivePut() throws InterruptedException {
672		final SynchronousQueue q = new SynchronousQueue();
673	<	Thread t = new Thread(new Runnable() {
674	<	public void run() {
675	<	try {
676	<	q.put(new Integer(1));
677	<	} catch (InterruptedException ie){
678	<	threadUnexpectedException();
679	<	}
680	<	}
681	<	});
682	<	try {
683	<	t.start();
684	<	ArrayList l = new ArrayList();
685	<	Thread.sleep(SHORT_DELAY_MS);
686	<	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	<	}
673	>	Thread t = new Thread(new CheckedRunnable() {
674	>	public void realRun() throws InterruptedException {
675	>	q.put(new Integer(1));
676	>	}});
677	>
678	>	t.start();
679	>	ArrayList l = new ArrayList();
680	>	Thread.sleep(SHORT_DELAY_MS);
681	>	q.drainTo(l);
682	>	assertTrue(l.size() <= 1);
683	>	if (l.size() > 0)
684	>	assertEquals(l.get(0), new Integer(1));
685	>	t.join();
686	>	assertTrue(l.size() <= 1);
687		}
688
689		/**
#	Line 832 | Line 694 | public class SynchronousQueueTest extend
694		try {
695		q.drainTo(null, 0);
696		shouldThrow();
697	<	} catch (NullPointerException success) {
836	<	}
697	>	} catch (NullPointerException success) {}
698		}
699
700		/**
#	Line 844 | Line 705 | public class SynchronousQueueTest extend
705		try {
706		q.drainTo(q, 0);
707		shouldThrow();
708	<	} catch (IllegalArgumentException success) {
848	<	}
708	>	} catch (IllegalArgumentException success) {}
709		}
710
711		/**
712		* drainTo(c, n) empties up to n elements of queue into c
713		*/
714	<	public void testDrainToN() {
714	>	public void testDrainToN() throws InterruptedException {
715		final SynchronousQueue q = new SynchronousQueue();
716	<	Thread t1 = new Thread(new Runnable() {
717	<	public void run() {
718	<	try {
719	<	q.put(one);
720	<	} catch (InterruptedException ie){
721	<	threadUnexpectedException();
722	<	}
723	<	}
724	<	});
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	<	});
716	>	Thread t1 = new Thread(new CheckedRunnable() {
717	>	public void realRun() throws InterruptedException {
718	>	q.put(one);
719	>	}});
720	>
721	>	Thread t2 = new Thread(new CheckedRunnable() {
722	>	public void realRun() throws InterruptedException {
723	>	q.put(two);
724	>	}});
725
726	<	try {
727	<	t1.start();
728	<	t2.start();
729	<	ArrayList l = new ArrayList();
730	<	Thread.sleep(SHORT_DELAY_MS);
731	<	q.drainTo(l, 1);
732	<	assertTrue(l.size() == 1);
733	<	q.drainTo(l, 1);
734	<	assertTrue(l.size() == 2);
735	<	assertTrue(l.contains(one));
736	<	assertTrue(l.contains(two));
737	<	t1.join();
887	<	t2.join();
888	<	} catch (Exception e){
889	<	unexpectedException();
890	<	}
726	>	t1.start();
727	>	t2.start();
728	>	ArrayList l = new ArrayList();
729	>	Thread.sleep(SHORT_DELAY_MS);
730	>	q.drainTo(l, 1);
731	>	assertTrue(l.size() == 1);
732	>	q.drainTo(l, 1);
733	>	assertTrue(l.size() == 2);
734	>	assertTrue(l.contains(one));
735	>	assertTrue(l.contains(two));
736	>	t1.join();
737	>	t2.join();
738		}
739
893	–
740		}

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