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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.37 by jsr166, Mon Oct 11 07:21:32 2010 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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.
7		*/
8
9		import java.util.concurrent.*;
10	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
11	+	import java.util.concurrent.atomic.*;
12		import junit.framework.*;
13	<	import java.util.List;
13	>	import java.util.*;
14
15		public class ThreadPoolExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20		return new TestSuite(ThreadPoolExecutorTest.class);
21		}
22	<
22	>
23	>	static class ExtendedTPE extends ThreadPoolExecutor {
24	>	volatile boolean beforeCalled = false;
25	>	volatile boolean afterCalled = false;
26	>	volatile boolean terminatedCalled = false;
27	>	public ExtendedTPE() {
28	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
29	>	}
30	>	protected void beforeExecute(Thread t, Runnable r) {
31	>	beforeCalled = true;
32	>	}
33	>	protected void afterExecute(Runnable r, Throwable t) {
34	>	afterCalled = true;
35	>	}
36	>	protected void terminated() {
37	>	terminatedCalled = true;
38	>	}
39	>	}
40	>
41	>	static class FailingThreadFactory implements ThreadFactory {
42	>	int calls = 0;
43	>	public Thread newThread(Runnable r) {
44	>	if (++calls > 1) return null;
45	>	return new Thread(r);
46	>	}
47	>	}
48	>
49	>
50		/**
51	<	* For use as ThreadFactory in constructors
51	>	* execute successfully executes a runnable
52		*/
53	<	static class MyThreadFactory implements ThreadFactory{
54	<	public Thread newThread(Runnable r){
55	<	return new Thread(r);
56	<	}
53	>	public void testExecute() throws InterruptedException {
54	>	final ThreadPoolExecutor p =
55	>	new ThreadPoolExecutor(1, 1,
56	>	LONG_DELAY_MS, MILLISECONDS,
57	>	new ArrayBlockingQueue<Runnable>(10));
58	>	final CountDownLatch done = new CountDownLatch(1);
59	>	final Runnable task = new CheckedRunnable() {
60	>	public void realRun() {
61	>	done.countDown();
62	>	}};
63	>	try {
64	>	p.execute(task);
65	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
66	>	} finally {
67	>	joinPool(p);
68	>	}
69		}
70
71		/**
72	<	* For use as RejectedExecutionHandler in constructors
72	>	* getActiveCount increases but doesn't overestimate, when a
73	>	* thread becomes active
74		*/
75	<	static class MyREHandler implements RejectedExecutionHandler{
76	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
75	>	public void testGetActiveCount() throws InterruptedException {
76	>	final ThreadPoolExecutor p =
77	>	new ThreadPoolExecutor(2, 2,
78	>	LONG_DELAY_MS, MILLISECONDS,
79	>	new ArrayBlockingQueue<Runnable>(10));
80	>	final CountDownLatch threadStarted = new CountDownLatch(1);
81	>	final CountDownLatch done = new CountDownLatch(1);
82	>	try {
83	>	assertEquals(0, p.getActiveCount());
84	>	p.execute(new CheckedRunnable() {
85	>	public void realRun() throws InterruptedException {
86	>	threadStarted.countDown();
87	>	assertEquals(1, p.getActiveCount());
88	>	done.await();
89	>	}});
90	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
91	>	assertEquals(1, p.getActiveCount());
92	>	} finally {
93	>	done.countDown();
94	>	joinPool(p);
95	>	}
96		}
97	<
97	>
98		/**
99	<	*   execute successfully executes a runnable
99	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
100		*/
101	<	public void testExecute() {
102	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
103	<	try {
104	<	p1.execute(new Runnable() {
105	<	public void run() {
106	<	try {
107	<	Thread.sleep(SHORT_DELAY_MS);
108	<	} catch(InterruptedException e){
109	<	threadUnexpectedException();
110	<	}
111	<	}
112	<	});
113	<	Thread.sleep(SMALL_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
54	<	}
55	<	joinPool(p1);
101	>	public void testPrestartCoreThread() {
102	>	final ThreadPoolExecutor p =
103	>	new ThreadPoolExecutor(2, 2,
104	>	LONG_DELAY_MS, MILLISECONDS,
105	>	new ArrayBlockingQueue<Runnable>(10));
106	>	assertEquals(0, p.getPoolSize());
107	>	assertTrue(p.prestartCoreThread());
108	>	assertEquals(1, p.getPoolSize());
109	>	assertTrue(p.prestartCoreThread());
110	>	assertEquals(2, p.getPoolSize());
111	>	assertFalse(p.prestartCoreThread());
112	>	assertEquals(2, p.getPoolSize());
113	>	joinPool(p);
114		}
115
116		/**
117	<	*  getActiveCount increases but doesn't overestimate, when a
118	<	*  thread becomes active
119	<	*/
120	<	public void testGetActiveCount() {
121	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
122	<	assertEquals(0, p2.getActiveCount());
123	<	p2.execute(new MediumRunnable());
124	<	try {
117	>	* prestartAllCoreThreads starts all corePoolSize threads
118	>	*/
119	>	public void testPrestartAllCoreThreads() {
120	>	final ThreadPoolExecutor p =
121	>	new ThreadPoolExecutor(2, 2,
122	>	LONG_DELAY_MS, MILLISECONDS,
123	>	new ArrayBlockingQueue<Runnable>(10));
124	>	assertEquals(0, p.getPoolSize());
125	>	p.prestartAllCoreThreads();
126	>	assertEquals(2, p.getPoolSize());
127	>	p.prestartAllCoreThreads();
128	>	assertEquals(2, p.getPoolSize());
129	>	joinPool(p);
130	>	}
131	>
132	>	/**
133	>	* getCompletedTaskCount increases, but doesn't overestimate,
134	>	* when tasks complete
135	>	*/
136	>	public void testGetCompletedTaskCount() throws InterruptedException {
137	>	final ThreadPoolExecutor p =
138	>	new ThreadPoolExecutor(2, 2,
139	>	LONG_DELAY_MS, MILLISECONDS,
140	>	new ArrayBlockingQueue<Runnable>(10));
141	>	final CountDownLatch threadStarted = new CountDownLatch(1);
142	>	final CountDownLatch threadProceed = new CountDownLatch(1);
143	>	final CountDownLatch threadDone = new CountDownLatch(1);
144	>	try {
145	>	assertEquals(0, p.getCompletedTaskCount());
146	>	p.execute(new CheckedRunnable() {
147	>	public void realRun() throws InterruptedException {
148	>	threadStarted.countDown();
149	>	assertEquals(0, p.getCompletedTaskCount());
150	>	threadProceed.await();
151	>	threadDone.countDown();
152	>	}});
153	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
154	>	assertEquals(0, p.getCompletedTaskCount());
155	>	threadProceed.countDown();
156	>	threadDone.await();
157		Thread.sleep(SHORT_DELAY_MS);
158	<	} catch(Exception e){
159	<	unexpectedException();
158	>	assertEquals(1, p.getCompletedTaskCount());
159	>	} finally {
160	>	joinPool(p);
161		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
162		}
163	<
163	>
164		/**
165	<	*   getCompletedTaskCount increases, but doesn't overestimate,
77	<	*   when tasks complete
165	>	* getCorePoolSize returns size given in constructor if not otherwise set
166		*/
167	<	public void testGetCompletedTaskCount() {
168	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169	<	assertEquals(0, p2.getCompletedTaskCount());
170	<	p2.execute(new ShortRunnable());
167	>	public void testGetCorePoolSize() {
168	>	final ThreadPoolExecutor p =
169	>	new ThreadPoolExecutor(1, 1,
170	>	LONG_DELAY_MS, MILLISECONDS,
171	>	new ArrayBlockingQueue<Runnable>(10));
172	>	assertEquals(1, p.getCorePoolSize());
173	>	joinPool(p);
174	>	}
175	>
176	>	/**
177	>	* getKeepAliveTime returns value given in constructor if not otherwise set
178	>	*/
179	>	public void testGetKeepAliveTime() {
180	>	final ThreadPoolExecutor p =
181	>	new ThreadPoolExecutor(2, 2,
182	>	1000, MILLISECONDS,
183	>	new ArrayBlockingQueue<Runnable>(10));
184	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
185	>	joinPool(p);
186	>	}
187	>
188	>
189	>	/**
190	>	* getThreadFactory returns factory in constructor if not set
191	>	*/
192	>	public void testGetThreadFactory() {
193	>	ThreadFactory tf = new SimpleThreadFactory();
194	>	final ThreadPoolExecutor p =
195	>	new ThreadPoolExecutor(1, 2,
196	>	LONG_DELAY_MS, MILLISECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10),
198	>	tf,
199	>	new NoOpREHandler());
200	>	assertSame(tf, p.getThreadFactory());
201	>	joinPool(p);
202	>	}
203	>
204	>	/**
205	>	* setThreadFactory sets the thread factory returned by getThreadFactory
206	>	*/
207	>	public void testSetThreadFactory() {
208	>	final ThreadPoolExecutor p =
209	>	new ThreadPoolExecutor(1, 2,
210	>	LONG_DELAY_MS, MILLISECONDS,
211	>	new ArrayBlockingQueue<Runnable>(10));
212	>	ThreadFactory tf = new SimpleThreadFactory();
213	>	p.setThreadFactory(tf);
214	>	assertSame(tf, p.getThreadFactory());
215	>	joinPool(p);
216	>	}
217	>
218	>
219	>	/**
220	>	* setThreadFactory(null) throws NPE
221	>	*/
222	>	public void testSetThreadFactoryNull() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(1, 2,
225	>	LONG_DELAY_MS, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227		try {
228	<	Thread.sleep(MEDIUM_DELAY_MS);
229	<	} catch(Exception e){
230	<	unexpectedException();
228	>	p.setThreadFactory(null);
229	>	shouldThrow();
230	>	} catch (NullPointerException success) {
231	>	} finally {
232	>	joinPool(p);
233		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
234		}
235	<
235	>
236		/**
237	<	*   getCorePoolSize returns size given in constructor if not otherwise set
237	>	* getRejectedExecutionHandler returns handler in constructor if not set
238		*/
239	<	public void testGetCorePoolSize() {
240	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
241	<	assertEquals(1, p1.getCorePoolSize());
242	<	joinPool(p1);
239	>	public void testGetRejectedExecutionHandler() {
240	>	final RejectedExecutionHandler h = new NoOpREHandler();
241	>	final ThreadPoolExecutor p =
242	>	new ThreadPoolExecutor(1, 2,
243	>	LONG_DELAY_MS, MILLISECONDS,
244	>	new ArrayBlockingQueue<Runnable>(10),
245	>	h);
246	>	assertSame(h, p.getRejectedExecutionHandler());
247	>	joinPool(p);
248		}
249	<
249	>
250		/**
251	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
251	>	* setRejectedExecutionHandler sets the handler returned by
252	>	* getRejectedExecutionHandler
253		*/
254	<	public void testGetKeepAliveTime() {
255	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
256	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
257	<	joinPool(p2);
254	>	public void testSetRejectedExecutionHandler() {
255	>	final ThreadPoolExecutor p =
256	>	new ThreadPoolExecutor(1, 2,
257	>	LONG_DELAY_MS, MILLISECONDS,
258	>	new ArrayBlockingQueue<Runnable>(10));
259	>	RejectedExecutionHandler h = new NoOpREHandler();
260	>	p.setRejectedExecutionHandler(h);
261	>	assertSame(h, p.getRejectedExecutionHandler());
262	>	joinPool(p);
263		}
264	<
264	>
265	>
266		/**
267	<	*   getLargestPoolSize increases, but doesn't overestimate, when
113	<	*   multiple threads active
267	>	* setRejectedExecutionHandler(null) throws NPE
268		*/
269	<	public void testGetLargestPoolSize() {
270	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
269	>	public void testSetRejectedExecutionHandlerNull() {
270	>	final ThreadPoolExecutor p =
271	>	new ThreadPoolExecutor(1, 2,
272	>	LONG_DELAY_MS, MILLISECONDS,
273	>	new ArrayBlockingQueue<Runnable>(10));
274		try {
275	<	assertEquals(0, p2.getLargestPoolSize());
276	<	p2.execute(new MediumRunnable());
277	<	p2.execute(new MediumRunnable());
278	<	Thread.sleep(SHORT_DELAY_MS);
279	<	assertEquals(2, p2.getLargestPoolSize());
280	<	} catch(Exception e){
281	<	unexpectedException();
282	<	}
283	<	joinPool(p2);
275	>	p.setRejectedExecutionHandler(null);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {
278	>	} finally {
279	>	joinPool(p);
280	>	}
281	>	}
282	>
283	>
284	>	/**
285	>	* getLargestPoolSize increases, but doesn't overestimate, when
286	>	* multiple threads active
287	>	*/
288	>	public void testGetLargestPoolSize() throws InterruptedException {
289	>	final int THREADS = 3;
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(THREADS, THREADS,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10));
294	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
295	>	final CountDownLatch done = new CountDownLatch(1);
296	>	try {
297	>	assertEquals(0, p.getLargestPoolSize());
298	>	for (int i = 0; i < THREADS; i++)
299	>	p.execute(new CheckedRunnable() {
300	>	public void realRun() throws InterruptedException {
301	>	threadsStarted.countDown();
302	>	done.await();
303	>	assertEquals(THREADS, p.getLargestPoolSize());
304	>	}});
305	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
306	>	assertEquals(THREADS, p.getLargestPoolSize());
307	>	} finally {
308	>	done.countDown();
309	>	joinPool(p);
310	>	assertEquals(THREADS, p.getLargestPoolSize());
311	>	}
312		}
313	<
313	>
314		/**
315	<	*   getMaximumPoolSize returns value given in constructor if not
316	<	*   otherwise set
315	>	* getMaximumPoolSize returns value given in constructor if not
316	>	* otherwise set
317		*/
318		public void testGetMaximumPoolSize() {
319	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
320	<	assertEquals(2, p2.getMaximumPoolSize());
321	<	joinPool(p2);
319	>	final ThreadPoolExecutor p =
320	>	new ThreadPoolExecutor(2, 3,
321	>	LONG_DELAY_MS, MILLISECONDS,
322	>	new ArrayBlockingQueue<Runnable>(10));
323	>	assertEquals(3, p.getMaximumPoolSize());
324	>	joinPool(p);
325		}
326	<
326	>
327		/**
328	<	*   getPoolSize increases, but doesn't overestimate, when threads
329	<	*   become active
328	>	* getPoolSize increases, but doesn't overestimate, when threads
329	>	* become active
330		*/
331	<	public void testGetPoolSize() {
332	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
333	<	assertEquals(0, p1.getPoolSize());
334	<	p1.execute(new MediumRunnable());
335	<	assertEquals(1, p1.getPoolSize());
336	<	joinPool(p1);
331	>	public void testGetPoolSize() throws InterruptedException {
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(1, 1,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	final CountDownLatch threadStarted = new CountDownLatch(1);
337	>	final CountDownLatch done = new CountDownLatch(1);
338	>	try {
339	>	assertEquals(0, p.getPoolSize());
340	>	p.execute(new CheckedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	threadStarted.countDown();
343	>	assertEquals(1, p.getPoolSize());
344	>	done.await();
345	>	}});
346	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
347	>	assertEquals(1, p.getPoolSize());
348	>	} finally {
349	>	done.countDown();
350	>	joinPool(p);
351	>	}
352		}
353	<
353	>
354		/**
355	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
355	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
356		*/
357	<	public void testGetTaskCount() {
358	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
359	<	try {
360	<	assertEquals(0, p1.getTaskCount());
361	<	p1.execute(new MediumRunnable());
362	<	Thread.sleep(SHORT_DELAY_MS);
363	<	assertEquals(1, p1.getTaskCount());
364	<	} catch(Exception e){
365	<	unexpectedException();
366	<	}
367	<	joinPool(p1);
357	>	public void testGetTaskCount() throws InterruptedException {
358	>	final ThreadPoolExecutor p =
359	>	new ThreadPoolExecutor(1, 1,
360	>	LONG_DELAY_MS, MILLISECONDS,
361	>	new ArrayBlockingQueue<Runnable>(10));
362	>	final CountDownLatch threadStarted = new CountDownLatch(1);
363	>	final CountDownLatch done = new CountDownLatch(1);
364	>	try {
365	>	assertEquals(0, p.getTaskCount());
366	>	p.execute(new CheckedRunnable() {
367	>	public void realRun() throws InterruptedException {
368	>	threadStarted.countDown();
369	>	assertEquals(1, p.getTaskCount());
370	>	done.await();
371	>	}});
372	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
373	>	assertEquals(1, p.getTaskCount());
374	>	} finally {
375	>	done.countDown();
376	>	joinPool(p);
377	>	}
378		}
379	<
379	>
380		/**
381	<	*   isShutDown is false before shutdown, true after
381	>	* isShutDown is false before shutdown, true after
382		*/
383		public void testIsShutdown() {
384	<
385	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
386	<	assertFalse(p1.isShutdown());
387	<	p1.shutdown();
388	<	assertTrue(p1.isShutdown());
389	<	joinPool(p1);
384	>	final ThreadPoolExecutor p =
385	>	new ThreadPoolExecutor(1, 1,
386	>	LONG_DELAY_MS, MILLISECONDS,
387	>	new ArrayBlockingQueue<Runnable>(10));
388	>	assertFalse(p.isShutdown());
389	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
390	>	assertTrue(p.isShutdown());
391	>	joinPool(p);
392		}
393
394	<
394	>
395		/**
396	<	*  isTerminated is false before termination, true after
396	>	* isTerminated is false before termination, true after
397		*/
398	<	public void testIsTerminated() {
399	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
400	<	assertFalse(p1.isTerminated());
401	<	try {
402	<	p1.execute(new MediumRunnable());
398	>	public void testIsTerminated() throws InterruptedException {
399	>	final ThreadPoolExecutor p =
400	>	new ThreadPoolExecutor(1, 1,
401	>	LONG_DELAY_MS, MILLISECONDS,
402	>	new ArrayBlockingQueue<Runnable>(10));
403	>	final CountDownLatch threadStarted = new CountDownLatch(1);
404	>	final CountDownLatch done = new CountDownLatch(1);
405	>	assertFalse(p.isTerminated());
406	>	try {
407	>	p.execute(new CheckedRunnable() {
408	>	public void realRun() throws InterruptedException {
409	>	threadStarted.countDown();
410	>	assertFalse(p.isTerminated());
411	>	done.await();
412	>	}});
413	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
414	>	done.countDown();
415		} finally {
416	<	p1.shutdown();
416	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
417		}
418	<	try {
419	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	<	assertTrue(p1.isTerminated());
194	<	} catch(Exception e){
195	<	unexpectedException();
196	<	}
418	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
419	>	assertTrue(p.isTerminated());
420		}
421
422		/**
423	<	*  isTerminating is not true when running or when terminated
423	>	* isTerminating is not true when running or when terminated
424		*/
425	<	public void testIsTerminating() {
426	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
427	<	assertFalse(p1.isTerminating());
428	<	try {
429	<	p1.execute(new SmallRunnable());
430	<	assertFalse(p1.isTerminating());
425	>	public void testIsTerminating() throws InterruptedException {
426	>	final ThreadPoolExecutor p =
427	>	new ThreadPoolExecutor(1, 1,
428	>	LONG_DELAY_MS, MILLISECONDS,
429	>	new ArrayBlockingQueue<Runnable>(10));
430	>	final CountDownLatch threadStarted = new CountDownLatch(1);
431	>	final CountDownLatch done = new CountDownLatch(1);
432	>	try {
433	>	assertFalse(p.isTerminating());
434	>	p.execute(new CheckedRunnable() {
435	>	public void realRun() throws InterruptedException {
436	>	threadStarted.countDown();
437	>	assertFalse(p.isTerminating());
438	>	done.await();
439	>	}});
440	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
441	>	assertFalse(p.isTerminating());
442	>	done.countDown();
443		} finally {
444	<	p1.shutdown();
444	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
445		}
446	<	try {
447	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
448	<	assertTrue(p1.isTerminated());
214	<	assertFalse(p1.isTerminating());
215	<	} catch(Exception e){
216	<	unexpectedException();
217	<	}
446	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
447	>	assertTrue(p.isTerminated());
448	>	assertFalse(p.isTerminating());
449		}
450
451		/**
452	<	*   purge removes cancelled tasks from the queue
452	>	* getQueue returns the work queue, which contains queued tasks
453	>	*/
454	>	public void testGetQueue() throws InterruptedException {
455	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
456	>	final ThreadPoolExecutor p =
457	>	new ThreadPoolExecutor(1, 1,
458	>	LONG_DELAY_MS, MILLISECONDS,
459	>	q);
460	>	final CountDownLatch threadStarted = new CountDownLatch(1);
461	>	final CountDownLatch done = new CountDownLatch(1);
462	>	try {
463	>	FutureTask[] tasks = new FutureTask[5];
464	>	for (int i = 0; i < tasks.length; i++) {
465	>	Callable task = new CheckedCallable<Boolean>() {
466	>	public Boolean realCall() throws InterruptedException {
467	>	threadStarted.countDown();
468	>	assertSame(q, p.getQueue());
469	>	done.await();
470	>	return Boolean.TRUE;
471	>	}};
472	>	tasks[i] = new FutureTask(task);
473	>	p.execute(tasks[i]);
474	>	}
475	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
476	>	assertSame(q, p.getQueue());
477	>	assertFalse(q.contains(tasks[0]));
478	>	assertTrue(q.contains(tasks[tasks.length - 1]));
479	>	assertEquals(tasks.length - 1, q.size());
480	>	} finally {
481	>	done.countDown();
482	>	joinPool(p);
483	>	}
484	>	}
485	>
486	>	/**
487	>	* remove(task) removes queued task, and fails to remove active task
488	>	*/
489	>	public void testRemove() throws InterruptedException {
490	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
491	>	final ThreadPoolExecutor p =
492	>	new ThreadPoolExecutor(1, 1,
493	>	LONG_DELAY_MS, MILLISECONDS,
494	>	q);
495	>	Runnable[] tasks = new Runnable[5];
496	>	final CountDownLatch threadStarted = new CountDownLatch(1);
497	>	final CountDownLatch done = new CountDownLatch(1);
498	>	try {
499	>	for (int i = 0; i < tasks.length; i++) {
500	>	tasks[i] = new CheckedRunnable() {
501	>	public void realRun() throws InterruptedException {
502	>	threadStarted.countDown();
503	>	done.await();
504	>	}};
505	>	p.execute(tasks[i]);
506	>	}
507	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
508	>	assertFalse(p.remove(tasks[0]));
509	>	assertTrue(q.contains(tasks[4]));
510	>	assertTrue(q.contains(tasks[3]));
511	>	assertTrue(p.remove(tasks[4]));
512	>	assertFalse(p.remove(tasks[4]));
513	>	assertFalse(q.contains(tasks[4]));
514	>	assertTrue(q.contains(tasks[3]));
515	>	assertTrue(p.remove(tasks[3]));
516	>	assertFalse(q.contains(tasks[3]));
517	>	} finally {
518	>	done.countDown();
519	>	joinPool(p);
520	>	}
521	>	}
522	>
523	>	/**
524	>	* purge removes cancelled tasks from the queue
525		*/
526	<	public void testPurge() {
527	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
528	<	CancellableTask[] tasks = new CancellableTask[5];
529	<	for(int i = 0; i < 5; i++){
530	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
531	<	p1.execute(tasks[i]);
526	>	public void testPurge() throws InterruptedException {
527	>	final CountDownLatch threadStarted = new CountDownLatch(1);
528	>	final CountDownLatch done = new CountDownLatch(1);
529	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
530	>	final ThreadPoolExecutor p =
531	>	new ThreadPoolExecutor(1, 1,
532	>	LONG_DELAY_MS, MILLISECONDS,
533	>	q);
534	>	FutureTask[] tasks = new FutureTask[5];
535	>	try {
536	>	for (int i = 0; i < tasks.length; i++) {
537	>	Callable task = new CheckedCallable<Boolean>() {
538	>	public Boolean realCall() throws InterruptedException {
539	>	threadStarted.countDown();
540	>	done.await();
541	>	return Boolean.TRUE;
542	>	}};
543	>	tasks[i] = new FutureTask(task);
544	>	p.execute(tasks[i]);
545	>	}
546	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
547	>	assertEquals(tasks.length, p.getTaskCount());
548	>	assertEquals(tasks.length - 1, q.size());
549	>	assertEquals(1L, p.getActiveCount());
550	>	assertEquals(0L, p.getCompletedTaskCount());
551	>	tasks[4].cancel(true);
552	>	tasks[3].cancel(false);
553	>	p.purge();
554	>	assertEquals(tasks.length - 3, q.size());
555	>	assertEquals(tasks.length - 2, p.getTaskCount());
556	>	p.purge();         // Nothing to do
557	>	assertEquals(tasks.length - 3, q.size());
558	>	assertEquals(tasks.length - 2, p.getTaskCount());
559	>	} finally {
560	>	done.countDown();
561	>	joinPool(p);
562		}
230	–	tasks[4].cancel(true);
231	–	tasks[3].cancel(true);
232	–	p1.purge();
233	–	long count = p1.getTaskCount();
234	–	assertTrue(count >= 2 && count < 5);
235	–	joinPool(p1);
563		}
564
565		/**
566	<	*  shutDownNow returns a list containing tasks that were not run
566	>	* shutDownNow returns a list containing tasks that were not run
567		*/
568		public void testShutDownNow() {
569	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
569	>	final ThreadPoolExecutor p =
570	>	new ThreadPoolExecutor(1, 1,
571	>	LONG_DELAY_MS, MILLISECONDS,
572	>	new ArrayBlockingQueue<Runnable>(10));
573		List l;
574		try {
575	<	for(int i = 0; i < 5; i++)
576	<	p1.execute(new MediumPossiblyInterruptedRunnable());
575	>	for (int i = 0; i < 5; i++)
576	>	p.execute(new MediumPossiblyInterruptedRunnable());
577		}
578		finally {
579	<	l = p1.shutdownNow();
579	>	try {
580	>	l = p.shutdownNow();
581	>	} catch (SecurityException ok) { return; }
582		}
583	<	assertTrue(p1.isShutdown());
584	<	assertTrue(l.size() <= 4);
583	>	assertTrue(p.isShutdown());
584	>	assertTrue(l.size() <= 4);
585		}
586
587		// Exception Tests
256	–
588
589	<	/**
590	<	* Constructor throws if corePoolSize argument is less than zero
589	>
590	>	/**
591	>	* Constructor throws if corePoolSize argument is less than zero
592		*/
593		public void testConstructor1() {
594		try {
595	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
595	>	new ThreadPoolExecutor(-1, 1,
596	>	LONG_DELAY_MS, MILLISECONDS,
597	>	new ArrayBlockingQueue<Runnable>(10));
598		shouldThrow();
599	<	}
266	<	catch (IllegalArgumentException success){}
599	>	} catch (IllegalArgumentException success) {}
600		}
601	<
602	<	/**
603	<	* Constructor throws if maximumPoolSize is less than zero
601	>
602	>	/**
603	>	* Constructor throws if maximumPoolSize is less than zero
604		*/
605		public void testConstructor2() {
606		try {
607	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
607	>	new ThreadPoolExecutor(1, -1,
608	>	LONG_DELAY_MS, MILLISECONDS,
609	>	new ArrayBlockingQueue<Runnable>(10));
610		shouldThrow();
611	<	}
277	<	catch (IllegalArgumentException success){}
611	>	} catch (IllegalArgumentException success) {}
612		}
613	<
614	<	/**
615	<	* Constructor throws if maximumPoolSize is equal to zero
613	>
614	>	/**
615	>	* Constructor throws if maximumPoolSize is equal to zero
616		*/
617		public void testConstructor3() {
618		try {
619	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
619	>	new ThreadPoolExecutor(1, 0,
620	>	LONG_DELAY_MS, MILLISECONDS,
621	>	new ArrayBlockingQueue<Runnable>(10));
622		shouldThrow();
623	<	}
288	<	catch (IllegalArgumentException success){}
623	>	} catch (IllegalArgumentException success) {}
624		}
625
626	<	/**
627	<	* Constructor throws if keepAliveTime is less than zero
626	>	/**
627	>	* Constructor throws if keepAliveTime is less than zero
628		*/
629		public void testConstructor4() {
630		try {
631	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
631	>	new ThreadPoolExecutor(1, 2,
632	>	-1L, MILLISECONDS,
633	>	new ArrayBlockingQueue<Runnable>(10));
634		shouldThrow();
635	<	}
299	<	catch (IllegalArgumentException success){}
635	>	} catch (IllegalArgumentException success) {}
636		}
637
638	<	/**
639	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
638	>	/**
639	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
640		*/
641		public void testConstructor5() {
642		try {
643	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
643	>	new ThreadPoolExecutor(2, 1,
644	>	LONG_DELAY_MS, MILLISECONDS,
645	>	new ArrayBlockingQueue<Runnable>(10));
646		shouldThrow();
647	<	}
310	<	catch (IllegalArgumentException success){}
647	>	} catch (IllegalArgumentException success) {}
648		}
649	<
650	<	/**
651	<	* Constructor throws if workQueue is set to null
649	>
650	>	/**
651	>	* Constructor throws if workQueue is set to null
652		*/
653	<	public void testNullPointerException() {
653	>	public void testConstructorNullPointerException() {
654		try {
655	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
655	>	new ThreadPoolExecutor(1, 2,
656	>	LONG_DELAY_MS, MILLISECONDS,
657	>	(BlockingQueue) null);
658		shouldThrow();
659	<	}
321	<	catch (NullPointerException success){}
659	>	} catch (NullPointerException success) {}
660		}
323	–
661
662	<
663	<	/**
664	<	* Constructor throws if corePoolSize argument is less than zero
662	>
663	>
664	>	/**
665	>	* Constructor throws if corePoolSize argument is less than zero
666		*/
667		public void testConstructor6() {
668		try {
669	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
669	>	new ThreadPoolExecutor(-1, 1,
670	>	LONG_DELAY_MS, MILLISECONDS,
671	>	new ArrayBlockingQueue<Runnable>(10),
672	>	new SimpleThreadFactory());
673		shouldThrow();
674	<	} catch (IllegalArgumentException success){}
674	>	} catch (IllegalArgumentException success) {}
675		}
676	<
677	<	/**
678	<	* Constructor throws if maximumPoolSize is less than zero
676	>
677	>	/**
678	>	* Constructor throws if maximumPoolSize is less than zero
679		*/
680		public void testConstructor7() {
681		try {
682	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
682	>	new ThreadPoolExecutor(1, -1,
683	>	LONG_DELAY_MS, MILLISECONDS,
684	>	new ArrayBlockingQueue<Runnable>(10),
685	>	new SimpleThreadFactory());
686		shouldThrow();
687	<	}
344	<	catch (IllegalArgumentException success){}
687	>	} catch (IllegalArgumentException success) {}
688		}
689
690	<	/**
691	<	* Constructor throws if maximumPoolSize is equal to zero
690	>	/**
691	>	* Constructor throws if maximumPoolSize is equal to zero
692		*/
693		public void testConstructor8() {
694		try {
695	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
695	>	new ThreadPoolExecutor(1, 0,
696	>	LONG_DELAY_MS, MILLISECONDS,
697	>	new ArrayBlockingQueue<Runnable>(10),
698	>	new SimpleThreadFactory());
699		shouldThrow();
700	<	}
355	<	catch (IllegalArgumentException success){}
700	>	} catch (IllegalArgumentException success) {}
701		}
702
703	<	/**
704	<	* Constructor throws if keepAliveTime is less than zero
703	>	/**
704	>	* Constructor throws if keepAliveTime is less than zero
705		*/
706		public void testConstructor9() {
707		try {
708	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
708	>	new ThreadPoolExecutor(1, 2,
709	>	-1L, MILLISECONDS,
710	>	new ArrayBlockingQueue<Runnable>(10),
711	>	new SimpleThreadFactory());
712		shouldThrow();
713	<	}
366	<	catch (IllegalArgumentException success){}
713	>	} catch (IllegalArgumentException success) {}
714		}
715
716	<	/**
717	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
716	>	/**
717	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
718		*/
719		public void testConstructor10() {
720		try {
721	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
721	>	new ThreadPoolExecutor(2, 1,
722	>	LONG_DELAY_MS, MILLISECONDS,
723	>	new ArrayBlockingQueue<Runnable>(10),
724	>	new SimpleThreadFactory());
725		shouldThrow();
726	<	}
377	<	catch (IllegalArgumentException success){}
726	>	} catch (IllegalArgumentException success) {}
727		}
728
729	<	/**
730	<	* Constructor throws if workQueue is set to null
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731		*/
732	<	public void testNullPointerException2() {
732	>	public void testConstructorNullPointerException2() {
733		try {
734	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
734	>	new ThreadPoolExecutor(1, 2,
735	>	LONG_DELAY_MS, MILLISECONDS,
736	>	(BlockingQueue) null,
737	>	new SimpleThreadFactory());
738		shouldThrow();
739	<	}
388	<	catch (NullPointerException success){}
739	>	} catch (NullPointerException success) {}
740		}
741
742	<	/**
743	<	* Constructor throws if threadFactory is set to null
742	>	/**
743	>	* Constructor throws if threadFactory is set to null
744		*/
745	<	public void testNullPointerException3() {
745	>	public void testConstructorNullPointerException3() {
746		try {
747	<	ThreadFactory f = null;
748	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
747	>	new ThreadPoolExecutor(1, 2,
748	>	LONG_DELAY_MS, MILLISECONDS,
749	>	new ArrayBlockingQueue<Runnable>(10),
750	>	(ThreadFactory) null);
751		shouldThrow();
752	<	}
400	<	catch (NullPointerException success){}
752	>	} catch (NullPointerException success) {}
753		}
754	<
755	<
756	<	/**
757	<	* Constructor throws if corePoolSize argument is less than zero
754	>
755	>
756	>	/**
757	>	* Constructor throws if corePoolSize argument is less than zero
758		*/
759		public void testConstructor11() {
760		try {
761	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
761	>	new ThreadPoolExecutor(-1, 1,
762	>	LONG_DELAY_MS, MILLISECONDS,
763	>	new ArrayBlockingQueue<Runnable>(10),
764	>	new NoOpREHandler());
765		shouldThrow();
766	<	}
412	<	catch (IllegalArgumentException success){}
766	>	} catch (IllegalArgumentException success) {}
767		}
768
769	<	/**
770	<	* Constructor throws if maximumPoolSize is less than zero
769	>	/**
770	>	* Constructor throws if maximumPoolSize is less than zero
771		*/
772		public void testConstructor12() {
773		try {
774	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
774	>	new ThreadPoolExecutor(1, -1,
775	>	LONG_DELAY_MS, MILLISECONDS,
776	>	new ArrayBlockingQueue<Runnable>(10),
777	>	new NoOpREHandler());
778		shouldThrow();
779	<	}
423	<	catch (IllegalArgumentException success){}
779	>	} catch (IllegalArgumentException success) {}
780		}
781
782	<	/**
783	<	* Constructor throws if maximumPoolSize is equal to zero
782	>	/**
783	>	* Constructor throws if maximumPoolSize is equal to zero
784		*/
785		public void testConstructor13() {
786		try {
787	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
787	>	new ThreadPoolExecutor(1, 0,
788	>	LONG_DELAY_MS, MILLISECONDS,
789	>	new ArrayBlockingQueue<Runnable>(10),
790	>	new NoOpREHandler());
791		shouldThrow();
792	<	}
434	<	catch (IllegalArgumentException success){}
792	>	} catch (IllegalArgumentException success) {}
793		}
794
795	<	/**
796	<	* Constructor throws if keepAliveTime is less than zero
795	>	/**
796	>	* Constructor throws if keepAliveTime is less than zero
797		*/
798		public void testConstructor14() {
799		try {
800	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
800	>	new ThreadPoolExecutor(1, 2,
801	>	-1L, MILLISECONDS,
802	>	new ArrayBlockingQueue<Runnable>(10),
803	>	new NoOpREHandler());
804		shouldThrow();
805	<	}
445	<	catch (IllegalArgumentException success){}
805	>	} catch (IllegalArgumentException success) {}
806		}
807
808	<	/**
809	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
808	>	/**
809	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
810		*/
811		public void testConstructor15() {
812		try {
813	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
813	>	new ThreadPoolExecutor(2, 1,
814	>	LONG_DELAY_MS, MILLISECONDS,
815	>	new ArrayBlockingQueue<Runnable>(10),
816	>	new NoOpREHandler());
817	>	shouldThrow();
818	>	} catch (IllegalArgumentException success) {}
819	>	}
820	>
821	>	/**
822	>	* Constructor throws if workQueue is set to null
823	>	*/
824	>	public void testConstructorNullPointerException4() {
825	>	try {
826	>	new ThreadPoolExecutor(1, 2,
827	>	LONG_DELAY_MS, MILLISECONDS,
828	>	(BlockingQueue) null,
829	>	new NoOpREHandler());
830	>	shouldThrow();
831	>	} catch (NullPointerException success) {}
832	>	}
833	>
834	>	/**
835	>	* Constructor throws if handler is set to null
836	>	*/
837	>	public void testConstructorNullPointerException5() {
838	>	try {
839	>	new ThreadPoolExecutor(1, 2,
840	>	LONG_DELAY_MS, MILLISECONDS,
841	>	new ArrayBlockingQueue<Runnable>(10),
842	>	(RejectedExecutionHandler) null);
843	>	shouldThrow();
844	>	} catch (NullPointerException success) {}
845	>	}
846	>
847	>
848	>	/**
849	>	* Constructor throws if corePoolSize argument is less than zero
850	>	*/
851	>	public void testConstructor16() {
852	>	try {
853	>	new ThreadPoolExecutor(-1, 1,
854	>	LONG_DELAY_MS, MILLISECONDS,
855	>	new ArrayBlockingQueue<Runnable>(10),
856	>	new SimpleThreadFactory(),
857	>	new NoOpREHandler());
858	>	shouldThrow();
859	>	} catch (IllegalArgumentException success) {}
860	>	}
861	>
862	>	/**
863	>	* Constructor throws if maximumPoolSize is less than zero
864	>	*/
865	>	public void testConstructor17() {
866	>	try {
867	>	new ThreadPoolExecutor(1, -1,
868	>	LONG_DELAY_MS, MILLISECONDS,
869	>	new ArrayBlockingQueue<Runnable>(10),
870	>	new SimpleThreadFactory(),
871	>	new NoOpREHandler());
872	>	shouldThrow();
873	>	} catch (IllegalArgumentException success) {}
874	>	}
875	>
876	>	/**
877	>	* Constructor throws if maximumPoolSize is equal to zero
878	>	*/
879	>	public void testConstructor18() {
880	>	try {
881	>	new ThreadPoolExecutor(1, 0,
882	>	LONG_DELAY_MS, MILLISECONDS,
883	>	new ArrayBlockingQueue<Runnable>(10),
884	>	new SimpleThreadFactory(),
885	>	new NoOpREHandler());
886	>	shouldThrow();
887	>	} catch (IllegalArgumentException success) {}
888	>	}
889	>
890	>	/**
891	>	* Constructor throws if keepAliveTime is less than zero
892	>	*/
893	>	public void testConstructor19() {
894	>	try {
895	>	new ThreadPoolExecutor(1, 2,
896	>	-1L, MILLISECONDS,
897	>	new ArrayBlockingQueue<Runnable>(10),
898	>	new SimpleThreadFactory(),
899	>	new NoOpREHandler());
900	>	shouldThrow();
901	>	} catch (IllegalArgumentException success) {}
902	>	}
903	>
904	>	/**
905	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
906	>	*/
907	>	public void testConstructor20() {
908	>	try {
909	>	new ThreadPoolExecutor(2, 1,
910	>	LONG_DELAY_MS, MILLISECONDS,
911	>	new ArrayBlockingQueue<Runnable>(10),
912	>	new SimpleThreadFactory(),
913	>	new NoOpREHandler());
914	>	shouldThrow();
915	>	} catch (IllegalArgumentException success) {}
916	>	}
917	>
918	>	/**
919	>	* Constructor throws if workQueue is null
920	>	*/
921	>	public void testConstructorNullPointerException6() {
922	>	try {
923	>	new ThreadPoolExecutor(1, 2,
924	>	LONG_DELAY_MS, MILLISECONDS,
925	>	(BlockingQueue) null,
926	>	new SimpleThreadFactory(),
927	>	new NoOpREHandler());
928	>	shouldThrow();
929	>	} catch (NullPointerException success) {}
930	>	}
931	>
932	>	/**
933	>	* Constructor throws if handler is null
934	>	*/
935	>	public void testConstructorNullPointerException7() {
936	>	try {
937	>	new ThreadPoolExecutor(1, 2,
938	>	LONG_DELAY_MS, MILLISECONDS,
939	>	new ArrayBlockingQueue<Runnable>(10),
940	>	new SimpleThreadFactory(),
941	>	(RejectedExecutionHandler) null);
942	>	shouldThrow();
943	>	} catch (NullPointerException success) {}
944	>	}
945	>
946	>	/**
947	>	* Constructor throws if ThreadFactory is null
948	>	*/
949	>	public void testConstructorNullPointerException8() {
950	>	try {
951	>	new ThreadPoolExecutor(1, 2,
952	>	LONG_DELAY_MS, MILLISECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	(ThreadFactory) null,
955	>	new NoOpREHandler());
956		shouldThrow();
957	+	} catch (NullPointerException success) {}
958	+	}
959	+
960	+	/**
961	+	* get of submitted callable throws InterruptedException if interrupted
962	+	*/
963	+	public void testInterruptedSubmit() throws InterruptedException {
964	+	final ThreadPoolExecutor p =
965	+	new ThreadPoolExecutor(1, 1,
966	+	60, TimeUnit.SECONDS,
967	+	new ArrayBlockingQueue<Runnable>(10));
968	+
969	+	final CountDownLatch threadStarted = new CountDownLatch(1);
970	+	final CountDownLatch done = new CountDownLatch(1);
971	+	try {
972	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
973	+	public void realRun() throws Exception {
974	+	Callable task = new CheckedCallable<Boolean>() {
975	+	public Boolean realCall() throws InterruptedException {
976	+	threadStarted.countDown();
977	+	done.await();
978	+	return Boolean.TRUE;
979	+	}};
980	+	p.submit(task).get();
981	+	}});
982	+
983	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
984	+	t.interrupt();
985	+	awaitTermination(t, MEDIUM_DELAY_MS);
986	+	} finally {
987	+	done.countDown();
988	+	joinPool(p);
989	+	}
990	+	}
991	+
992	+	/**
993	+	* execute throws RejectedExecutionException if saturated.
994	+	*/
995	+	public void testSaturatedExecute() {
996	+	ThreadPoolExecutor p =
997	+	new ThreadPoolExecutor(1, 1,
998	+	LONG_DELAY_MS, MILLISECONDS,
999	+	new ArrayBlockingQueue<Runnable>(1));
1000	+	final CountDownLatch done = new CountDownLatch(1);
1001	+	try {
1002	+	Runnable task = new CheckedRunnable() {
1003	+	public void realRun() throws InterruptedException {
1004	+	done.await();
1005	+	}};
1006	+	for (int i = 0; i < 2; ++i)
1007	+	p.execute(task);
1008	+	for (int i = 0; i < 2; ++i) {
1009	+	try {
1010	+	p.execute(task);
1011	+	shouldThrow();
1012	+	} catch (RejectedExecutionException success) {}
1013	+	assertTrue(p.getTaskCount() <= 2);
1014	+	}
1015	+	} finally {
1016	+	done.countDown();
1017	+	joinPool(p);
1018	+	}
1019	+	}
1020	+
1021	+	/**
1022	+	* submit(runnable) throws RejectedExecutionException if saturated.
1023	+	*/
1024	+	public void testSaturatedSubmitRunnable() {
1025	+	ThreadPoolExecutor p =
1026	+	new ThreadPoolExecutor(1, 1,
1027	+	LONG_DELAY_MS, MILLISECONDS,
1028	+	new ArrayBlockingQueue<Runnable>(1));
1029	+	final CountDownLatch done = new CountDownLatch(1);
1030	+	try {
1031	+	Runnable task = new CheckedRunnable() {
1032	+	public void realRun() throws InterruptedException {
1033	+	done.await();
1034	+	}};
1035	+	for (int i = 0; i < 2; ++i)
1036	+	p.submit(task);
1037	+	for (int i = 0; i < 2; ++i) {
1038	+	try {
1039	+	p.execute(task);
1040	+	shouldThrow();
1041	+	} catch (RejectedExecutionException success) {}
1042	+	assertTrue(p.getTaskCount() <= 2);
1043	+	}
1044	+	} finally {
1045	+	done.countDown();
1046	+	joinPool(p);
1047	+	}
1048	+	}
1049	+
1050	+	/**
1051	+	* submit(callable) throws RejectedExecutionException if saturated.
1052	+	*/
1053	+	public void testSaturatedSubmitCallable() {
1054	+	ThreadPoolExecutor p =
1055	+	new ThreadPoolExecutor(1, 1,
1056	+	LONG_DELAY_MS, MILLISECONDS,
1057	+	new ArrayBlockingQueue<Runnable>(1));
1058	+	final CountDownLatch done = new CountDownLatch(1);
1059	+	try {
1060	+	Runnable task = new CheckedRunnable() {
1061	+	public void realRun() throws InterruptedException {
1062	+	done.await();
1063	+	}};
1064	+	for (int i = 0; i < 2; ++i)
1065	+	p.submit(Executors.callable(task));
1066	+	for (int i = 0; i < 2; ++i) {
1067	+	try {
1068	+	p.execute(task);
1069	+	shouldThrow();
1070	+	} catch (RejectedExecutionException success) {}
1071	+	assertTrue(p.getTaskCount() <= 2);
1072	+	}
1073	+	} finally {
1074	+	done.countDown();
1075	+	joinPool(p);
1076	+	}
1077	+	}
1078	+
1079	+	/**
1080	+	* executor using CallerRunsPolicy runs task if saturated.
1081	+	*/
1082	+	public void testSaturatedExecute2() {
1083	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1084	+	final ThreadPoolExecutor p =
1085	+	new ThreadPoolExecutor(1, 1,
1086	+	LONG_DELAY_MS,
1087	+	MILLISECONDS,
1088	+	new ArrayBlockingQueue<Runnable>(1),
1089	+	h);
1090	+	try {
1091	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1092	+	for (int i = 0; i < tasks.length; ++i)
1093	+	tasks[i] = new TrackedNoOpRunnable();
1094	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1095	+	p.execute(mr);
1096	+	for (int i = 0; i < tasks.length; ++i)
1097	+	p.execute(tasks[i]);
1098	+	for (int i = 1; i < tasks.length; ++i)
1099	+	assertTrue(tasks[i].done);
1100	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1101	+	} finally {
1102	+	joinPool(p);
1103		}
456	–	catch (IllegalArgumentException success){}
1104		}
1105
1106	<	/**
1107	<	* Constructor throws if workQueue is set to null
1106	>	/**
1107	>	* executor using DiscardPolicy drops task if saturated.
1108	>	*/
1109	>	public void testSaturatedExecute3() {
1110	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1111	>	final ThreadPoolExecutor p =
1112	>	new ThreadPoolExecutor(1, 1,
1113	>	LONG_DELAY_MS, MILLISECONDS,
1114	>	new ArrayBlockingQueue<Runnable>(1),
1115	>	h);
1116	>	try {
1117	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1118	>	for (int i = 0; i < tasks.length; ++i)
1119	>	tasks[i] = new TrackedNoOpRunnable();
1120	>	p.execute(new TrackedLongRunnable());
1121	>	for (TrackedNoOpRunnable task : tasks)
1122	>	p.execute(task);
1123	>	for (TrackedNoOpRunnable task : tasks)
1124	>	assertFalse(task.done);
1125	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1126	>	} finally {
1127	>	joinPool(p);
1128	>	}
1129	>	}
1130	>
1131	>	/**
1132	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1133	>	*/
1134	>	public void testSaturatedExecute4() {
1135	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1136	>	final ThreadPoolExecutor p =
1137	>	new ThreadPoolExecutor(1, 1,
1138	>	LONG_DELAY_MS, MILLISECONDS,
1139	>	new ArrayBlockingQueue<Runnable>(1),
1140	>	h);
1141	>	try {
1142	>	p.execute(new TrackedLongRunnable());
1143	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1144	>	p.execute(r2);
1145	>	assertTrue(p.getQueue().contains(r2));
1146	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1147	>	p.execute(r3);
1148	>	assertFalse(p.getQueue().contains(r2));
1149	>	assertTrue(p.getQueue().contains(r3));
1150	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1151	>	} finally {
1152	>	joinPool(p);
1153	>	}
1154	>	}
1155	>
1156	>	/**
1157	>	* execute throws RejectedExecutionException if shutdown
1158		*/
1159	<	public void testNullPointerException4() {
1159	>	public void testRejectedExecutionExceptionOnShutdown() {
1160	>	ThreadPoolExecutor p =
1161	>	new ThreadPoolExecutor(1, 1,
1162	>	LONG_DELAY_MS, MILLISECONDS,
1163	>	new ArrayBlockingQueue<Runnable>(1));
1164	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1165		try {
1166	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1166	>	p.execute(new NoOpRunnable());
1167		shouldThrow();
1168	+	} catch (RejectedExecutionException success) {}
1169	+
1170	+	joinPool(p);
1171	+	}
1172	+
1173	+	/**
1174	+	* execute using CallerRunsPolicy drops task on shutdown
1175	+	*/
1176	+	public void testCallerRunsOnShutdown() {
1177	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1178	+	final ThreadPoolExecutor p =
1179	+	new ThreadPoolExecutor(1, 1,
1180	+	LONG_DELAY_MS, MILLISECONDS,
1181	+	new ArrayBlockingQueue<Runnable>(1), h);
1182	+
1183	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1184	+	try {
1185	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1186	+	p.execute(r);
1187	+	assertFalse(r.done);
1188	+	} finally {
1189	+	joinPool(p);
1190	+	}
1191	+	}
1192	+
1193	+	/**
1194	+	* execute using DiscardPolicy drops task on shutdown
1195	+	*/
1196	+	public void testDiscardOnShutdown() {
1197	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1198	+	ThreadPoolExecutor p =
1199	+	new ThreadPoolExecutor(1, 1,
1200	+	LONG_DELAY_MS, MILLISECONDS,
1201	+	new ArrayBlockingQueue<Runnable>(1),
1202	+	h);
1203	+
1204	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1205	+	try {
1206	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1207	+	p.execute(r);
1208	+	assertFalse(r.done);
1209	+	} finally {
1210	+	joinPool(p);
1211		}
467	–	catch (NullPointerException success){}
1212		}
1213
1214	<	/**
1215	<	* Constructor throws if handler is set to null
1214	>
1215	>	/**
1216	>	* execute using DiscardOldestPolicy drops task on shutdown
1217		*/
1218	<	public void testNullPointerException5() {
1218	>	public void testDiscardOldestOnShutdown() {
1219	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1220	>	ThreadPoolExecutor p =
1221	>	new ThreadPoolExecutor(1, 1,
1222	>	LONG_DELAY_MS, MILLISECONDS,
1223	>	new ArrayBlockingQueue<Runnable>(1),
1224	>	h);
1225	>
1226	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1227		try {
1228	<	RejectedExecutionHandler r = null;
1229	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1228	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1229	>	p.execute(r);
1230	>	assertFalse(r.done);
1231	>	} finally {
1232	>	joinPool(p);
1233	>	}
1234	>	}
1235	>
1236	>
1237	>	/**
1238	>	* execute(null) throws NPE
1239	>	*/
1240	>	public void testExecuteNull() {
1241	>	ThreadPoolExecutor p =
1242	>	new ThreadPoolExecutor(1, 2,
1243	>	LONG_DELAY_MS, MILLISECONDS,
1244	>	new ArrayBlockingQueue<Runnable>(10));
1245	>	try {
1246	>	p.execute(null);
1247		shouldThrow();
1248	+	} catch (NullPointerException success) {}
1249	+
1250	+	joinPool(p);
1251	+	}
1252	+
1253	+	/**
1254	+	* setCorePoolSize of negative value throws IllegalArgumentException
1255	+	*/
1256	+	public void testCorePoolSizeIllegalArgumentException() {
1257	+	ThreadPoolExecutor p =
1258	+	new ThreadPoolExecutor(1, 2,
1259	+	LONG_DELAY_MS, MILLISECONDS,
1260	+	new ArrayBlockingQueue<Runnable>(10));
1261	+	try {
1262	+	p.setCorePoolSize(-1);
1263	+	shouldThrow();
1264	+	} catch (IllegalArgumentException success) {
1265	+	} finally {
1266	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1267		}
1268	<	catch (NullPointerException success){}
1268	>	joinPool(p);
1269		}
1270
1271	<
1272	<	/**
1273	<	* Constructor throws if corePoolSize argument is less than zero
1271	>	/**
1272	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1273	>	* given a value less the core pool size
1274		*/
1275	<	public void testConstructor16() {
1275	>	public void testMaximumPoolSizeIllegalArgumentException() {
1276	>	ThreadPoolExecutor p =
1277	>	new ThreadPoolExecutor(2, 3,
1278	>	LONG_DELAY_MS, MILLISECONDS,
1279	>	new ArrayBlockingQueue<Runnable>(10));
1280		try {
1281	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1281	>	p.setMaximumPoolSize(1);
1282		shouldThrow();
1283	+	} catch (IllegalArgumentException success) {
1284	+	} finally {
1285	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1286		}
1287	<	catch (IllegalArgumentException success){}
1287	>	joinPool(p);
1288		}
1289
1290	<	/**
1291	<	* Constructor throws if maximumPoolSize is less than zero
1290	>	/**
1291	>	* setMaximumPoolSize throws IllegalArgumentException
1292	>	* if given a negative value
1293		*/
1294	<	public void testConstructor17() {
1294	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1295	>	ThreadPoolExecutor p =
1296	>	new ThreadPoolExecutor(2, 3,
1297	>	LONG_DELAY_MS, MILLISECONDS,
1298	>	new ArrayBlockingQueue<Runnable>(10));
1299		try {
1300	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1300	>	p.setMaximumPoolSize(-1);
1301		shouldThrow();
1302	+	} catch (IllegalArgumentException success) {
1303	+	} finally {
1304	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1305		}
1306	<	catch (IllegalArgumentException success){}
1306	>	joinPool(p);
1307		}
1308
1309	<	/**
1310	<	* Constructor throws if maximumPoolSize is equal to zero
1309	>
1310	>	/**
1311	>	* setKeepAliveTime throws IllegalArgumentException
1312	>	* when given a negative value
1313		*/
1314	<	public void testConstructor18() {
1314	>	public void testKeepAliveTimeIllegalArgumentException() {
1315	>	ThreadPoolExecutor p =
1316	>	new ThreadPoolExecutor(2, 3,
1317	>	LONG_DELAY_MS, MILLISECONDS,
1318	>	new ArrayBlockingQueue<Runnable>(10));
1319		try {
1320	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1320	>	p.setKeepAliveTime(-1,MILLISECONDS);
1321		shouldThrow();
1322	+	} catch (IllegalArgumentException success) {
1323	+	} finally {
1324	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1325		}
1326	<	catch (IllegalArgumentException success){}
1326	>	joinPool(p);
1327		}
1328
1329	<	/**
1330	<	* Constructor throws if keepAliveTime is less than zero
1329	>	/**
1330	>	* terminated() is called on termination
1331		*/
1332	<	public void testConstructor19() {
1332	>	public void testTerminated() {
1333	>	ExtendedTPE p = new ExtendedTPE();
1334	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1335	>	assertTrue(p.terminatedCalled);
1336	>	joinPool(p);
1337	>	}
1338	>
1339	>	/**
1340	>	* beforeExecute and afterExecute are called when executing task
1341	>	*/
1342	>	public void testBeforeAfter() throws InterruptedException {
1343	>	ExtendedTPE p = new ExtendedTPE();
1344	>	try {
1345	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1346	>	p.execute(r);
1347	>	Thread.sleep(SHORT_DELAY_MS);
1348	>	assertTrue(r.done);
1349	>	assertTrue(p.beforeCalled);
1350	>	assertTrue(p.afterCalled);
1351	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1352	>	} finally {
1353	>	joinPool(p);
1354	>	}
1355	>	}
1356	>
1357	>	/**
1358	>	* completed submit of callable returns result
1359	>	*/
1360	>	public void testSubmitCallable() throws Exception {
1361	>	ExecutorService e =
1362	>	new ThreadPoolExecutor(2, 2,
1363	>	LONG_DELAY_MS, MILLISECONDS,
1364	>	new ArrayBlockingQueue<Runnable>(10));
1365	>	try {
1366	>	Future<String> future = e.submit(new StringTask());
1367	>	String result = future.get();
1368	>	assertSame(TEST_STRING, result);
1369	>	} finally {
1370	>	joinPool(e);
1371	>	}
1372	>	}
1373	>
1374	>	/**
1375	>	* completed submit of runnable returns successfully
1376	>	*/
1377	>	public void testSubmitRunnable() throws Exception {
1378	>	ExecutorService e =
1379	>	new ThreadPoolExecutor(2, 2,
1380	>	LONG_DELAY_MS, MILLISECONDS,
1381	>	new ArrayBlockingQueue<Runnable>(10));
1382		try {
1383	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1383	>	Future<?> future = e.submit(new NoOpRunnable());
1384	>	future.get();
1385	>	assertTrue(future.isDone());
1386	>	} finally {
1387	>	joinPool(e);
1388	>	}
1389	>	}
1390	>
1391	>	/**
1392	>	* completed submit of (runnable, result) returns result
1393	>	*/
1394	>	public void testSubmitRunnable2() throws Exception {
1395	>	ExecutorService e =
1396	>	new ThreadPoolExecutor(2, 2,
1397	>	LONG_DELAY_MS, MILLISECONDS,
1398	>	new ArrayBlockingQueue<Runnable>(10));
1399	>	try {
1400	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1401	>	String result = future.get();
1402	>	assertSame(TEST_STRING, result);
1403	>	} finally {
1404	>	joinPool(e);
1405	>	}
1406	>	}
1407	>
1408	>
1409	>	/**
1410	>	* invokeAny(null) throws NPE
1411	>	*/
1412	>	public void testInvokeAny1() throws Exception {
1413	>	ExecutorService e =
1414	>	new ThreadPoolExecutor(2, 2,
1415	>	LONG_DELAY_MS, MILLISECONDS,
1416	>	new ArrayBlockingQueue<Runnable>(10));
1417	>	try {
1418	>	e.invokeAny(null);
1419		shouldThrow();
1420	+	} catch (NullPointerException success) {
1421	+	} finally {
1422	+	joinPool(e);
1423		}
524	–	catch (IllegalArgumentException success){}
1424		}
1425
1426	<	/**
1427	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1426	>	/**
1427	>	* invokeAny(empty collection) throws IAE
1428		*/
1429	<	public void testConstructor20() {
1429	>	public void testInvokeAny2() throws Exception {
1430	>	ExecutorService e =
1431	>	new ThreadPoolExecutor(2, 2,
1432	>	LONG_DELAY_MS, MILLISECONDS,
1433	>	new ArrayBlockingQueue<Runnable>(10));
1434		try {
1435	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1435	>	e.invokeAny(new ArrayList<Callable<String>>());
1436		shouldThrow();
1437	+	} catch (IllegalArgumentException success) {
1438	+	} finally {
1439	+	joinPool(e);
1440		}
535	–	catch (IllegalArgumentException success){}
1441		}
1442
1443	<	/**
1444	<	* Constructor throws if workQueue is set to null
1443	>	/**
1444	>	* invokeAny(c) throws NPE if c has null elements
1445		*/
1446	<	public void testNullPointerException6() {
1446	>	public void testInvokeAny3() throws Exception {
1447	>	final CountDownLatch latch = new CountDownLatch(1);
1448	>	final ExecutorService e =
1449	>	new ThreadPoolExecutor(2, 2,
1450	>	LONG_DELAY_MS, MILLISECONDS,
1451	>	new ArrayBlockingQueue<Runnable>(10));
1452	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1453	>	l.add(latchAwaitingStringTask(latch));
1454	>	l.add(null);
1455		try {
1456	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1456	>	e.invokeAny(l);
1457		shouldThrow();
1458	+	} catch (NullPointerException success) {
1459	+	} finally {
1460	+	latch.countDown();
1461	+	joinPool(e);
1462		}
546	–	catch (NullPointerException success){}
1463		}
1464
1465	<	/**
1466	<	* Constructor throws if handler is set to null
1465	>	/**
1466	>	* invokeAny(c) throws ExecutionException if no task completes
1467		*/
1468	<	public void testNullPointerException7() {
1468	>	public void testInvokeAny4() throws Exception {
1469	>	ExecutorService e =
1470	>	new ThreadPoolExecutor(2, 2,
1471	>	LONG_DELAY_MS, MILLISECONDS,
1472	>	new ArrayBlockingQueue<Runnable>(10));
1473	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1474	>	l.add(new NPETask());
1475		try {
1476	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1476	>	e.invokeAny(l);
1477		shouldThrow();
1478	+	} catch (ExecutionException success) {
1479	+	assertTrue(success.getCause() instanceof NullPointerException);
1480	+	} finally {
1481	+	joinPool(e);
1482		}
558	–	catch (NullPointerException success){}
1483		}
1484
1485	<	/**
1486	<	* Constructor throws if ThreadFactory is set top null
1485	>	/**
1486	>	* invokeAny(c) returns result of some task
1487		*/
1488	<	public void testNullPointerException8() {
1488	>	public void testInvokeAny5() throws Exception {
1489	>	ExecutorService e =
1490	>	new ThreadPoolExecutor(2, 2,
1491	>	LONG_DELAY_MS, MILLISECONDS,
1492	>	new ArrayBlockingQueue<Runnable>(10));
1493		try {
1494	<	ThreadFactory f = null;
1495	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1494	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1495	>	l.add(new StringTask());
1496	>	l.add(new StringTask());
1497	>	String result = e.invokeAny(l);
1498	>	assertSame(TEST_STRING, result);
1499	>	} finally {
1500	>	joinPool(e);
1501	>	}
1502	>	}
1503	>
1504	>	/**
1505	>	* invokeAll(null) throws NPE
1506	>	*/
1507	>	public void testInvokeAll1() throws Exception {
1508	>	ExecutorService e =
1509	>	new ThreadPoolExecutor(2, 2,
1510	>	LONG_DELAY_MS, MILLISECONDS,
1511	>	new ArrayBlockingQueue<Runnable>(10));
1512	>	try {
1513	>	e.invokeAll(null);
1514		shouldThrow();
1515	+	} catch (NullPointerException success) {
1516	+	} finally {
1517	+	joinPool(e);
1518		}
570	–	catch (NullPointerException successdn8){}
1519		}
572	–
1520
1521		/**
1522	<	*  execute throws RejectedExecutionException if shutdown
1522	>	* invokeAll(empty collection) returns empty collection
1523		*/
1524	<	public void testRejectedExecutionException() {
1525	<	ThreadPoolExecutor tpe = null;
1524	>	public void testInvokeAll2() throws InterruptedException {
1525	>	ExecutorService e =
1526	>	new ThreadPoolExecutor(2, 2,
1527	>	LONG_DELAY_MS, MILLISECONDS,
1528	>	new ArrayBlockingQueue<Runnable>(10));
1529		try {
1530	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1531	<	} catch(Exception e){}
1532	<	tpe.shutdown();
1533	<	try {
1534	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1530	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1531	>	assertTrue(r.isEmpty());
1532	>	} finally {
1533	>	joinPool(e);
1534	>	}
1535		}
1536
1537		/**
1538	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1538	>	* invokeAll(c) throws NPE if c has null elements
1539		*/
1540	<	public void testSaturatedExecute() {
1541	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1540	>	public void testInvokeAll3() throws Exception {
1541	>	ExecutorService e =
1542	>	new ThreadPoolExecutor(2, 2,
1543	>	LONG_DELAY_MS, MILLISECONDS,
1544	>	new ArrayBlockingQueue<Runnable>(10));
1545	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1546	>	l.add(new StringTask());
1547	>	l.add(null);
1548	>	try {
1549	>	e.invokeAll(l);
1550	>	shouldThrow();
1551	>	} catch (NullPointerException success) {
1552	>	} finally {
1553	>	joinPool(e);
1554	>	}
1555	>	}
1556	>
1557	>	/**
1558	>	* get of element of invokeAll(c) throws exception on failed task
1559	>	*/
1560	>	public void testInvokeAll4() throws Exception {
1561	>	ExecutorService e =
1562	>	new ThreadPoolExecutor(2, 2,
1563	>	LONG_DELAY_MS, MILLISECONDS,
1564	>	new ArrayBlockingQueue<Runnable>(10));
1565		try {
1566	<
1567	<	for(int i = 0; i < 5; ++i){
1568	<	p.execute(new MediumRunnable());
1566	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1567	>	l.add(new NPETask());
1568	>	List<Future<String>> futures = e.invokeAll(l);
1569	>	assertEquals(1, futures.size());
1570	>	try {
1571	>	futures.get(0).get();
1572	>	shouldThrow();
1573	>	} catch (ExecutionException success) {
1574	>	assertTrue(success.getCause() instanceof NullPointerException);
1575		}
1576	+	} finally {
1577	+	joinPool(e);
1578	+	}
1579	+	}
1580	+
1581	+	/**
1582	+	* invokeAll(c) returns results of all completed tasks
1583	+	*/
1584	+	public void testInvokeAll5() throws Exception {
1585	+	ExecutorService e =
1586	+	new ThreadPoolExecutor(2, 2,
1587	+	LONG_DELAY_MS, MILLISECONDS,
1588	+	new ArrayBlockingQueue<Runnable>(10));
1589	+	try {
1590	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1591	+	l.add(new StringTask());
1592	+	l.add(new StringTask());
1593	+	List<Future<String>> futures = e.invokeAll(l);
1594	+	assertEquals(2, futures.size());
1595	+	for (Future<String> future : futures)
1596	+	assertSame(TEST_STRING, future.get());
1597	+	} finally {
1598	+	joinPool(e);
1599	+	}
1600	+	}
1601	+
1602	+
1603	+
1604	+	/**
1605	+	* timed invokeAny(null) throws NPE
1606	+	*/
1607	+	public void testTimedInvokeAny1() throws Exception {
1608	+	ExecutorService e =
1609	+	new ThreadPoolExecutor(2, 2,
1610	+	LONG_DELAY_MS, MILLISECONDS,
1611	+	new ArrayBlockingQueue<Runnable>(10));
1612	+	try {
1613	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1614		shouldThrow();
1615	<	} catch(RejectedExecutionException success){}
1616	<	joinPool(p);
1615	>	} catch (NullPointerException success) {
1616	>	} finally {
1617	>	joinPool(e);
1618	>	}
1619		}
1620
1621		/**
1622	<	*  execute (null) throws NPE
1622	>	* timed invokeAny(,,null) throws NPE
1623		*/
1624	<	public void testExecuteNull() {
1625	<	ThreadPoolExecutor tpe = null;
1624	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1625	>	ExecutorService e =
1626	>	new ThreadPoolExecutor(2, 2,
1627	>	LONG_DELAY_MS, MILLISECONDS,
1628	>	new ArrayBlockingQueue<Runnable>(10));
1629	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1630	>	l.add(new StringTask());
1631		try {
1632	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1632	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1633		shouldThrow();
1634	<	} catch(NullPointerException success){}
1635	<
1636	<	joinPool(tpe);
1634	>	} catch (NullPointerException success) {
1635	>	} finally {
1636	>	joinPool(e);
1637	>	}
1638		}
1639	<
1639	>
1640		/**
1641	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1641	>	* timed invokeAny(empty collection) throws IAE
1642		*/
1643	<	public void testCorePoolSizeIllegalArgumentException() {
1644	<	ThreadPoolExecutor tpe = null;
1645	<	try {
1646	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1647	<	} catch(Exception e){}
629	<	try {
630	<	tpe.setCorePoolSize(-1);
631	<	shouldThrow();
632	<	} catch(IllegalArgumentException success){
633	<	} finally {
634	<	tpe.shutdown();
635	<	}
636	<	joinPool(tpe);
637	<	}
638	<
639	<	/**
640	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
641	<	*  given a value less the core pool size
642	<	*/
643	<	public void testMaximumPoolSizeIllegalArgumentException() {
644	<	ThreadPoolExecutor tpe = null;
1643	>	public void testTimedInvokeAny2() throws Exception {
1644	>	ExecutorService e =
1645	>	new ThreadPoolExecutor(2, 2,
1646	>	LONG_DELAY_MS, MILLISECONDS,
1647	>	new ArrayBlockingQueue<Runnable>(10));
1648		try {
1649	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1650	<	} catch(Exception e){}
1649	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1650	>	shouldThrow();
1651	>	} catch (IllegalArgumentException success) {
1652	>	} finally {
1653	>	joinPool(e);
1654	>	}
1655	>	}
1656	>
1657	>	/**
1658	>	* timed invokeAny(c) throws NPE if c has null elements
1659	>	*/
1660	>	public void testTimedInvokeAny3() throws Exception {
1661	>	final CountDownLatch latch = new CountDownLatch(1);
1662	>	final ExecutorService e =
1663	>	new ThreadPoolExecutor(2, 2,
1664	>	LONG_DELAY_MS, MILLISECONDS,
1665	>	new ArrayBlockingQueue<Runnable>(10));
1666	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1667	>	l.add(latchAwaitingStringTask(latch));
1668	>	l.add(null);
1669		try {
1670	<	tpe.setMaximumPoolSize(1);
1670	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1671		shouldThrow();
1672	<	} catch(IllegalArgumentException success){
1672	>	} catch (NullPointerException success) {
1673		} finally {
1674	<	tpe.shutdown();
1674	>	latch.countDown();
1675	>	joinPool(e);
1676		}
655	–	joinPool(tpe);
1677		}
1678	<
1678	>
1679		/**
1680	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1680	>	* timed invokeAny(c) throws ExecutionException if no task completes
1681		*/
1682	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1683	<	ThreadPoolExecutor tpe = null;
1682	>	public void testTimedInvokeAny4() throws Exception {
1683	>	ExecutorService e =
1684	>	new ThreadPoolExecutor(2, 2,
1685	>	LONG_DELAY_MS, MILLISECONDS,
1686	>	new ArrayBlockingQueue<Runnable>(10));
1687	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1688	>	l.add(new NPETask());
1689		try {
1690	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1691	<	} catch(Exception e){}
1690	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1691	>	shouldThrow();
1692	>	} catch (ExecutionException success) {
1693	>	assertTrue(success.getCause() instanceof NullPointerException);
1694	>	} finally {
1695	>	joinPool(e);
1696	>	}
1697	>	}
1698	>
1699	>	/**
1700	>	* timed invokeAny(c) returns result of some task
1701	>	*/
1702	>	public void testTimedInvokeAny5() throws Exception {
1703	>	ExecutorService e =
1704	>	new ThreadPoolExecutor(2, 2,
1705	>	LONG_DELAY_MS, MILLISECONDS,
1706	>	new ArrayBlockingQueue<Runnable>(10));
1707		try {
1708	<	tpe.setMaximumPoolSize(-1);
1708	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1709	>	l.add(new StringTask());
1710	>	l.add(new StringTask());
1711	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1712	>	assertSame(TEST_STRING, result);
1713	>	} finally {
1714	>	joinPool(e);
1715	>	}
1716	>	}
1717	>
1718	>	/**
1719	>	* timed invokeAll(null) throws NPE
1720	>	*/
1721	>	public void testTimedInvokeAll1() throws Exception {
1722	>	ExecutorService e =
1723	>	new ThreadPoolExecutor(2, 2,
1724	>	LONG_DELAY_MS, MILLISECONDS,
1725	>	new ArrayBlockingQueue<Runnable>(10));
1726	>	try {
1727	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1728		shouldThrow();
1729	<	} catch(IllegalArgumentException success){
1729	>	} catch (NullPointerException success) {
1730		} finally {
1731	<	tpe.shutdown();
1731	>	joinPool(e);
1732		}
674	–	joinPool(tpe);
1733		}
676	–
1734
1735		/**
1736	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1736	>	* timed invokeAll(,,null) throws NPE
1737		*/
1738	<	public void testKeepAliveTimeIllegalArgumentException() {
1739	<	ThreadPoolExecutor tpe = null;
1738	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1739	>	ExecutorService e =
1740	>	new ThreadPoolExecutor(2, 2,
1741	>	LONG_DELAY_MS, MILLISECONDS,
1742	>	new ArrayBlockingQueue<Runnable>(10));
1743	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1744	>	l.add(new StringTask());
1745	>	try {
1746	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1747	>	shouldThrow();
1748	>	} catch (NullPointerException success) {
1749	>	} finally {
1750	>	joinPool(e);
1751	>	}
1752	>	}
1753	>
1754	>	/**
1755	>	* timed invokeAll(empty collection) returns empty collection
1756	>	*/
1757	>	public void testTimedInvokeAll2() throws InterruptedException {
1758	>	ExecutorService e =
1759	>	new ThreadPoolExecutor(2, 2,
1760	>	LONG_DELAY_MS, MILLISECONDS,
1761	>	new ArrayBlockingQueue<Runnable>(10));
1762		try {
1763	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1764	<	} catch(Exception e){}
1765	<
1766	<	try {
1767	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1763	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1764	>	assertTrue(r.isEmpty());
1765	>	} finally {
1766	>	joinPool(e);
1767	>	}
1768	>	}
1769	>
1770	>	/**
1771	>	* timed invokeAll(c) throws NPE if c has null elements
1772	>	*/
1773	>	public void testTimedInvokeAll3() throws Exception {
1774	>	ExecutorService e =
1775	>	new ThreadPoolExecutor(2, 2,
1776	>	LONG_DELAY_MS, MILLISECONDS,
1777	>	new ArrayBlockingQueue<Runnable>(10));
1778	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1779	>	l.add(new StringTask());
1780	>	l.add(null);
1781	>	try {
1782	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1783	>	shouldThrow();
1784	>	} catch (NullPointerException success) {
1785	>	} finally {
1786	>	joinPool(e);
1787	>	}
1788	>	}
1789	>
1790	>	/**
1791	>	* get of element of invokeAll(c) throws exception on failed task
1792	>	*/
1793	>	public void testTimedInvokeAll4() throws Exception {
1794	>	ExecutorService e =
1795	>	new ThreadPoolExecutor(2, 2,
1796	>	LONG_DELAY_MS, MILLISECONDS,
1797	>	new ArrayBlockingQueue<Runnable>(10));
1798	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1799	>	l.add(new NPETask());
1800	>	List<Future<String>> futures =
1801	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1802	>	assertEquals(1, futures.size());
1803	>	try {
1804	>	futures.get(0).get();
1805		shouldThrow();
1806	<	} catch(IllegalArgumentException success){
1806	>	} catch (ExecutionException success) {
1807	>	assertTrue(success.getCause() instanceof NullPointerException);
1808	>	} finally {
1809	>	joinPool(e);
1810	>	}
1811	>	}
1812	>
1813	>	/**
1814	>	* timed invokeAll(c) returns results of all completed tasks
1815	>	*/
1816	>	public void testTimedInvokeAll5() throws Exception {
1817	>	ExecutorService e =
1818	>	new ThreadPoolExecutor(2, 2,
1819	>	LONG_DELAY_MS, MILLISECONDS,
1820	>	new ArrayBlockingQueue<Runnable>(10));
1821	>	try {
1822	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1823	>	l.add(new StringTask());
1824	>	l.add(new StringTask());
1825	>	List<Future<String>> futures =
1826	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1827	>	assertEquals(2, futures.size());
1828	>	for (Future<String> future : futures)
1829	>	assertSame(TEST_STRING, future.get());
1830	>	} finally {
1831	>	joinPool(e);
1832	>	}
1833	>	}
1834	>
1835	>	/**
1836	>	* timed invokeAll(c) cancels tasks not completed by timeout
1837	>	*/
1838	>	public void testTimedInvokeAll6() throws Exception {
1839	>	ExecutorService e =
1840	>	new ThreadPoolExecutor(2, 2,
1841	>	LONG_DELAY_MS, MILLISECONDS,
1842	>	new ArrayBlockingQueue<Runnable>(10));
1843	>	try {
1844	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1845	>	l.add(new StringTask());
1846	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1847	>	l.add(new StringTask());
1848	>	List<Future<String>> futures =
1849	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1850	>	assertEquals(3, futures.size());
1851	>	Iterator<Future<String>> it = futures.iterator();
1852	>	Future<String> f1 = it.next();
1853	>	Future<String> f2 = it.next();
1854	>	Future<String> f3 = it.next();
1855	>	assertTrue(f1.isDone());
1856	>	assertTrue(f2.isDone());
1857	>	assertTrue(f3.isDone());
1858	>	assertFalse(f1.isCancelled());
1859	>	assertTrue(f2.isCancelled());
1860		} finally {
1861	<	tpe.shutdown();
1861	>	joinPool(e);
1862		}
695	–	joinPool(tpe);
1863		}
1864	<
1864	>
1865	>	/**
1866	>	* Execution continues if there is at least one thread even if
1867	>	* thread factory fails to create more
1868	>	*/
1869	>	public void testFailingThreadFactory() throws InterruptedException {
1870	>	final ExecutorService e =
1871	>	new ThreadPoolExecutor(100, 100,
1872	>	LONG_DELAY_MS, MILLISECONDS,
1873	>	new LinkedBlockingQueue<Runnable>(),
1874	>	new FailingThreadFactory());
1875	>	try {
1876	>	final int TASKS = 100;
1877	>	final CountDownLatch done = new CountDownLatch(TASKS);
1878	>	for (int k = 0; k < TASKS; ++k)
1879	>	e.execute(new CheckedRunnable() {
1880	>	public void realRun() {
1881	>	done.countDown();
1882	>	}});
1883	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1884	>	} finally {
1885	>	joinPool(e);
1886	>	}
1887	>	}
1888	>
1889	>	/**
1890	>	* allowsCoreThreadTimeOut is by default false.
1891	>	*/
1892	>	public void testAllowsCoreThreadTimeOut() {
1893	>	final ThreadPoolExecutor p =
1894	>	new ThreadPoolExecutor(2, 2,
1895	>	1000, MILLISECONDS,
1896	>	new ArrayBlockingQueue<Runnable>(10));
1897	>	assertFalse(p.allowsCoreThreadTimeOut());
1898	>	joinPool(p);
1899	>	}
1900	>
1901	>	/**
1902	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1903	>	*/
1904	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1905	>	final ThreadPoolExecutor p =
1906	>	new ThreadPoolExecutor(2, 10,
1907	>	SHORT_DELAY_MS, MILLISECONDS,
1908	>	new ArrayBlockingQueue<Runnable>(10));
1909	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1910	>	try {
1911	>	p.allowCoreThreadTimeOut(true);
1912	>	p.execute(new CheckedRunnable() {
1913	>	public void realRun() throws InterruptedException {
1914	>	threadStarted.countDown();
1915	>	assertEquals(1, p.getPoolSize());
1916	>	}});
1917	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1918	>	for (int i = 0; i < (MEDIUM_DELAY_MS/10); i++) {
1919	>	if (p.getPoolSize() == 0)
1920	>	break;
1921	>	Thread.sleep(10);
1922	>	}
1923	>	assertEquals(0, p.getPoolSize());
1924	>	} finally {
1925	>	joinPool(p);
1926	>	}
1927	>	}
1928	>
1929	>	/**
1930	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1931	>	*/
1932	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1933	>	final ThreadPoolExecutor p =
1934	>	new ThreadPoolExecutor(2, 10,
1935	>	SHORT_DELAY_MS, MILLISECONDS,
1936	>	new ArrayBlockingQueue<Runnable>(10));
1937	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1938	>	try {
1939	>	p.allowCoreThreadTimeOut(false);
1940	>	p.execute(new CheckedRunnable() {
1941	>	public void realRun() throws InterruptedException {
1942	>	threadStarted.countDown();
1943	>	assertTrue(p.getPoolSize() >= 1);
1944	>	}});
1945	>	Thread.sleep(SMALL_DELAY_MS);
1946	>	assertTrue(p.getPoolSize() >= 1);
1947	>	} finally {
1948	>	joinPool(p);
1949	>	}
1950	>	}
1951	>
1952	>	/**
1953	>	* execute allows the same task to be submitted multiple times, even
1954	>	* if rejected
1955	>	*/
1956	>	public void testRejectedRecycledTask() throws InterruptedException {
1957	>	final int nTasks = 1000;
1958	>	final CountDownLatch done = new CountDownLatch(nTasks);
1959	>	final Runnable recycledTask = new Runnable() {
1960	>	public void run() {
1961	>	done.countDown();
1962	>	}};
1963	>	final ThreadPoolExecutor p =
1964	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1965	>	new ArrayBlockingQueue(30));
1966	>	try {
1967	>	for (int i = 0; i < nTasks; ++i) {
1968	>	for (;;) {
1969	>	try {
1970	>	p.execute(recycledTask);
1971	>	break;
1972	>	}
1973	>	catch (RejectedExecutionException ignore) {}
1974	>	}
1975	>	}
1976	>	// enough time to run all tasks
1977	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
1978	>	} finally {
1979	>	p.shutdown();
1980	>	}
1981	>	}
1982	>
1983		}

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