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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.47 by jsr166, Tue May 31 16:16:24 2011 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/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
8	–	import java.util.concurrent.*;
9		import junit.framework.*;
10	<	import java.util.List;
10	>	import java.util.concurrent.*;
11	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
12	>	import java.util.*;
13
14	<	public class ThreadPoolExecutorTest extends TestCase{
14	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run(suite());
17		}
16	–
17	–
18		public static Test suite() {
19		return new TestSuite(ThreadPoolExecutorTest.class);
20		}
21	–
22	–	private static long SHORT_DELAY_MS = 100;
23	–	private static long MEDIUM_DELAY_MS = 1000;
24	–	private static long LONG_DELAY_MS = 10000;
25	–
26	–	//---- testThread class to implement ThreadFactory for use in constructors
27	–	static class testThread implements ThreadFactory{
28	–	public Thread newThread(Runnable r){
29	–	return new Thread(r);
30	–	}
31	–	}
21
22	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
23	<	static class testReject implements RejectedExecutionHandler{
24	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
22	>	static class ExtendedTPE extends ThreadPoolExecutor {
23	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
24	>	final CountDownLatch afterCalled = new CountDownLatch(1);
25	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
26	>
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.countDown();
32	>	}
33	>	protected void afterExecute(Runnable r, Throwable t) {
34	>	afterCalled.countDown();
35	>	}
36	>	protected void terminated() {
37	>	terminatedCalled.countDown();
38	>	}
39	>
40	>	public boolean beforeCalled() {
41	>	return beforeCalled.getCount() == 0;
42	>	}
43	>	public boolean afterCalled() {
44	>	return afterCalled.getCount() == 0;
45	>	}
46	>	public boolean terminatedCalled() {
47	>	return terminatedCalled.getCount() == 0;
48	>	}
49		}
50
51	<	public Runnable newRunnable(){
52	<	return new Runnable(){
53	<	public void run(){
54	<	try{Thread.sleep(MEDIUM_DELAY_MS);
55	<	} catch(Exception e){
56	<	}
44	<	}
45	<	};
51	>	static class FailingThreadFactory implements ThreadFactory {
52	>	int calls = 0;
53	>	public Thread newThread(Runnable r) {
54	>	if (++calls > 1) return null;
55	>	return new Thread(r);
56	>	}
57		}
58
48	–
59		/**
60	<	*  Test to verify that execute successfully executes a runnable
60	>	* execute successfully executes a runnable
61		*/
62	<	public void testExecute(){
63	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
62	>	public void testExecute() throws InterruptedException {
63	>	final ThreadPoolExecutor p =
64	>	new ThreadPoolExecutor(1, 1,
65	>	LONG_DELAY_MS, MILLISECONDS,
66	>	new ArrayBlockingQueue<Runnable>(10));
67	>	final CountDownLatch done = new CountDownLatch(1);
68	>	final Runnable task = new CheckedRunnable() {
69	>	public void realRun() {
70	>	done.countDown();
71	>	}};
72		try {
73	<	one.execute(new Runnable(){
74	<	public void run(){
57	<	try{
58	<	Thread.sleep(SHORT_DELAY_MS);
59	<	} catch(InterruptedException e){
60	<	fail("unexpected exception");
61	<	}
62	<	}
63	<	});
64	<	Thread.sleep(SHORT_DELAY_MS * 2);
65	<	} catch(InterruptedException e){
66	<	fail("unexpected exception");
73	>	p.execute(task);
74	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
75		} finally {
76	<	one.shutdown();
76	>	joinPool(p);
77		}
78		}
79
80		/**
81	<	*  Test to verify getActiveCount gives correct values
81	>	* getActiveCount increases but doesn't overestimate, when a
82	>	* thread becomes active
83		*/
84	<	public void testGetActiveCount(){
85	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
84	>	public void testGetActiveCount() throws InterruptedException {
85	>	final ThreadPoolExecutor p =
86	>	new ThreadPoolExecutor(2, 2,
87	>	LONG_DELAY_MS, MILLISECONDS,
88	>	new ArrayBlockingQueue<Runnable>(10));
89	>	final CountDownLatch threadStarted = new CountDownLatch(1);
90	>	final CountDownLatch done = new CountDownLatch(1);
91		try {
92	<	assertEquals(0, two.getActiveCount());
93	<	two.execute(newRunnable());
94	<	try{Thread.sleep(10);} catch(Exception e){}
95	<	assertEquals(1, two.getActiveCount());
92	>	assertEquals(0, p.getActiveCount());
93	>	p.execute(new CheckedRunnable() {
94	>	public void realRun() throws InterruptedException {
95	>	threadStarted.countDown();
96	>	assertEquals(1, p.getActiveCount());
97	>	done.await();
98	>	}});
99	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
100	>	assertEquals(1, p.getActiveCount());
101		} finally {
102	<	two.shutdown();
102	>	done.countDown();
103	>	joinPool(p);
104		}
105		}
106	<
106	>
107	>	/**
108	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
109	>	*/
110	>	public void testPrestartCoreThread() {
111	>	final ThreadPoolExecutor p =
112	>	new ThreadPoolExecutor(2, 2,
113	>	LONG_DELAY_MS, MILLISECONDS,
114	>	new ArrayBlockingQueue<Runnable>(10));
115	>	assertEquals(0, p.getPoolSize());
116	>	assertTrue(p.prestartCoreThread());
117	>	assertEquals(1, p.getPoolSize());
118	>	assertTrue(p.prestartCoreThread());
119	>	assertEquals(2, p.getPoolSize());
120	>	assertFalse(p.prestartCoreThread());
121	>	assertEquals(2, p.getPoolSize());
122	>	joinPool(p);
123	>	}
124	>
125	>	/**
126	>	* prestartAllCoreThreads starts all corePoolSize threads
127	>	*/
128	>	public void testPrestartAllCoreThreads() {
129	>	final ThreadPoolExecutor p =
130	>	new ThreadPoolExecutor(2, 2,
131	>	LONG_DELAY_MS, MILLISECONDS,
132	>	new ArrayBlockingQueue<Runnable>(10));
133	>	assertEquals(0, p.getPoolSize());
134	>	p.prestartAllCoreThreads();
135	>	assertEquals(2, p.getPoolSize());
136	>	p.prestartAllCoreThreads();
137	>	assertEquals(2, p.getPoolSize());
138	>	joinPool(p);
139	>	}
140	>
141		/**
142	<	*  Test to verify getCompleteTaskCount gives correct values
142	>	* getCompletedTaskCount increases, but doesn't overestimate,
143	>	* when tasks complete
144		*/
145	<	public void testGetCompletedTaskCount(){
146	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
145	>	public void testGetCompletedTaskCount() throws InterruptedException {
146	>	final ThreadPoolExecutor p =
147	>	new ThreadPoolExecutor(2, 2,
148	>	LONG_DELAY_MS, MILLISECONDS,
149	>	new ArrayBlockingQueue<Runnable>(10));
150	>	final CountDownLatch threadStarted = new CountDownLatch(1);
151	>	final CountDownLatch threadProceed = new CountDownLatch(1);
152	>	final CountDownLatch threadDone = new CountDownLatch(1);
153		try {
154	<	assertEquals(0, two.getCompletedTaskCount());
155	<	two.execute(newRunnable());
156	<	try{Thread.sleep(2000);} catch(Exception e){}
157	<	assertEquals(1, two.getCompletedTaskCount());
154	>	assertEquals(0, p.getCompletedTaskCount());
155	>	p.execute(new CheckedRunnable() {
156	>	public void realRun() throws InterruptedException {
157	>	threadStarted.countDown();
158	>	assertEquals(0, p.getCompletedTaskCount());
159	>	threadProceed.await();
160	>	threadDone.countDown();
161	>	}});
162	>	await(threadStarted);
163	>	assertEquals(0, p.getCompletedTaskCount());
164	>	threadProceed.countDown();
165	>	threadDone.await();
166	>	long startTime = System.nanoTime();
167	>	while (p.getCompletedTaskCount() != 1) {
168	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
169	>	fail("timed out");
170	>	Thread.yield();
171	>	}
172		} finally {
173	<	two.shutdown();
173	>	joinPool(p);
174		}
175		}
176	<
176	>
177		/**
178	<	*  Test to verify getCorePoolSize gives correct values
178	>	* getCorePoolSize returns size given in constructor if not otherwise set
179		*/
180	<	public void testGetCorePoolSize(){
181	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
180	>	public void testGetCorePoolSize() {
181	>	final ThreadPoolExecutor p =
182	>	new ThreadPoolExecutor(1, 1,
183	>	LONG_DELAY_MS, MILLISECONDS,
184	>	new ArrayBlockingQueue<Runnable>(10));
185	>	assertEquals(1, p.getCorePoolSize());
186	>	joinPool(p);
187	>	}
188	>
189	>	/**
190	>	* getKeepAliveTime returns value given in constructor if not otherwise set
191	>	*/
192	>	public void testGetKeepAliveTime() {
193	>	final ThreadPoolExecutor p =
194	>	new ThreadPoolExecutor(2, 2,
195	>	1000, MILLISECONDS,
196	>	new ArrayBlockingQueue<Runnable>(10));
197	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
198	>	joinPool(p);
199	>	}
200	>
201	>	/**
202	>	* getThreadFactory returns factory in constructor if not set
203	>	*/
204	>	public void testGetThreadFactory() {
205	>	ThreadFactory tf = new SimpleThreadFactory();
206	>	final ThreadPoolExecutor p =
207	>	new ThreadPoolExecutor(1, 2,
208	>	LONG_DELAY_MS, MILLISECONDS,
209	>	new ArrayBlockingQueue<Runnable>(10),
210	>	tf,
211	>	new NoOpREHandler());
212	>	assertSame(tf, p.getThreadFactory());
213	>	joinPool(p);
214	>	}
215	>
216	>	/**
217	>	* setThreadFactory sets the thread factory returned by getThreadFactory
218	>	*/
219	>	public void testSetThreadFactory() {
220	>	final ThreadPoolExecutor p =
221	>	new ThreadPoolExecutor(1, 2,
222	>	LONG_DELAY_MS, MILLISECONDS,
223	>	new ArrayBlockingQueue<Runnable>(10));
224	>	ThreadFactory tf = new SimpleThreadFactory();
225	>	p.setThreadFactory(tf);
226	>	assertSame(tf, p.getThreadFactory());
227	>	joinPool(p);
228	>	}
229	>
230	>	/**
231	>	* setThreadFactory(null) throws NPE
232	>	*/
233	>	public void testSetThreadFactoryNull() {
234	>	final ThreadPoolExecutor p =
235	>	new ThreadPoolExecutor(1, 2,
236	>	LONG_DELAY_MS, MILLISECONDS,
237	>	new ArrayBlockingQueue<Runnable>(10));
238		try {
239	<	assertEquals(1, one.getCorePoolSize());
239	>	p.setThreadFactory(null);
240	>	shouldThrow();
241	>	} catch (NullPointerException success) {
242		} finally {
243	<	one.shutdown();
243	>	joinPool(p);
244		}
245		}
246	<
246	>
247		/**
248	<	*  Test to verify getKeepAliveTime gives correct values
248	>	* getRejectedExecutionHandler returns handler in constructor if not set
249		*/
250	<	public void testGetKeepAliveTime(){
251	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
250	>	public void testGetRejectedExecutionHandler() {
251	>	final RejectedExecutionHandler h = new NoOpREHandler();
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10),
256	>	h);
257	>	assertSame(h, p.getRejectedExecutionHandler());
258	>	joinPool(p);
259	>	}
260	>
261	>	/**
262	>	* setRejectedExecutionHandler sets the handler returned by
263	>	* getRejectedExecutionHandler
264	>	*/
265	>	public void testSetRejectedExecutionHandler() {
266	>	final ThreadPoolExecutor p =
267	>	new ThreadPoolExecutor(1, 2,
268	>	LONG_DELAY_MS, MILLISECONDS,
269	>	new ArrayBlockingQueue<Runnable>(10));
270	>	RejectedExecutionHandler h = new NoOpREHandler();
271	>	p.setRejectedExecutionHandler(h);
272	>	assertSame(h, p.getRejectedExecutionHandler());
273	>	joinPool(p);
274	>	}
275	>
276	>	/**
277	>	* setRejectedExecutionHandler(null) throws NPE
278	>	*/
279	>	public void testSetRejectedExecutionHandlerNull() {
280	>	final ThreadPoolExecutor p =
281	>	new ThreadPoolExecutor(1, 2,
282	>	LONG_DELAY_MS, MILLISECONDS,
283	>	new ArrayBlockingQueue<Runnable>(10));
284		try {
285	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
285	>	p.setRejectedExecutionHandler(null);
286	>	shouldThrow();
287	>	} catch (NullPointerException success) {
288		} finally {
289	<	two.shutdown();
289	>	joinPool(p);
290		}
291		}
292	<
292	>
293		/**
294	<	*  Test to verify getLargestPoolSize gives correct values
294	>	* getLargestPoolSize increases, but doesn't overestimate, when
295	>	* multiple threads active
296		*/
297	<	public void testGetLargestPoolSize(){
298	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
297	>	public void testGetLargestPoolSize() throws InterruptedException {
298	>	final int THREADS = 3;
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(THREADS, THREADS,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
304	>	final CountDownLatch done = new CountDownLatch(1);
305		try {
306	<	assertEquals(0, two.getLargestPoolSize());
307	<	two.execute(newRunnable());
308	<	two.execute(newRunnable());
309	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
310	<	assertEquals(2, two.getLargestPoolSize());
306	>	assertEquals(0, p.getLargestPoolSize());
307	>	for (int i = 0; i < THREADS; i++)
308	>	p.execute(new CheckedRunnable() {
309	>	public void realRun() throws InterruptedException {
310	>	threadsStarted.countDown();
311	>	done.await();
312	>	assertEquals(THREADS, p.getLargestPoolSize());
313	>	}});
314	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
315	>	assertEquals(THREADS, p.getLargestPoolSize());
316		} finally {
317	<	two.shutdown();
317	>	done.countDown();
318	>	joinPool(p);
319	>	assertEquals(THREADS, p.getLargestPoolSize());
320		}
321		}
322	<
322	>
323		/**
324	<	*  Test to verify getMaximumPoolSize gives correct values
324	>	* getMaximumPoolSize returns value given in constructor if not
325	>	* otherwise set
326		*/
327	<	public void testGetMaximumPoolSize(){
328	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
327	>	public void testGetMaximumPoolSize() {
328	>	final ThreadPoolExecutor p =
329	>	new ThreadPoolExecutor(2, 3,
330	>	LONG_DELAY_MS, MILLISECONDS,
331	>	new ArrayBlockingQueue<Runnable>(10));
332	>	assertEquals(3, p.getMaximumPoolSize());
333	>	joinPool(p);
334	>	}
335	>
336	>	/**
337	>	* getPoolSize increases, but doesn't overestimate, when threads
338	>	* become active
339	>	*/
340	>	public void testGetPoolSize() throws InterruptedException {
341	>	final ThreadPoolExecutor p =
342	>	new ThreadPoolExecutor(1, 1,
343	>	LONG_DELAY_MS, MILLISECONDS,
344	>	new ArrayBlockingQueue<Runnable>(10));
345	>	final CountDownLatch threadStarted = new CountDownLatch(1);
346	>	final CountDownLatch done = new CountDownLatch(1);
347		try {
348	<	assertEquals(2, two.getMaximumPoolSize());
348	>	assertEquals(0, p.getPoolSize());
349	>	p.execute(new CheckedRunnable() {
350	>	public void realRun() throws InterruptedException {
351	>	threadStarted.countDown();
352	>	assertEquals(1, p.getPoolSize());
353	>	done.await();
354	>	}});
355	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
356	>	assertEquals(1, p.getPoolSize());
357		} finally {
358	<	two.shutdown();
358	>	done.countDown();
359	>	joinPool(p);
360		}
361		}
362	<
362	>
363		/**
364	<	*  Test to verify getPoolSize gives correct values
364	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
365		*/
366	<	public void testGetPoolSize(){
367	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
368	<	try {
369	<	assertEquals(0, one.getPoolSize());
370	<	one.execute(newRunnable());
371	<	assertEquals(1, one.getPoolSize());
366	>	public void testGetTaskCount() throws InterruptedException {
367	>	final ThreadPoolExecutor p =
368	>	new ThreadPoolExecutor(1, 1,
369	>	LONG_DELAY_MS, MILLISECONDS,
370	>	new ArrayBlockingQueue<Runnable>(10));
371	>	final CountDownLatch threadStarted = new CountDownLatch(1);
372	>	final CountDownLatch done = new CountDownLatch(1);
373	>	try {
374	>	assertEquals(0, p.getTaskCount());
375	>	p.execute(new CheckedRunnable() {
376	>	public void realRun() throws InterruptedException {
377	>	threadStarted.countDown();
378	>	assertEquals(1, p.getTaskCount());
379	>	done.await();
380	>	}});
381	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
382	>	assertEquals(1, p.getTaskCount());
383		} finally {
384	<	one.shutdown();
384	>	done.countDown();
385	>	joinPool(p);
386		}
387		}
388	<
388	>
389	>	/**
390	>	* isShutdown is false before shutdown, true after
391	>	*/
392	>	public void testIsShutdown() {
393	>	final ThreadPoolExecutor p =
394	>	new ThreadPoolExecutor(1, 1,
395	>	LONG_DELAY_MS, MILLISECONDS,
396	>	new ArrayBlockingQueue<Runnable>(10));
397	>	assertFalse(p.isShutdown());
398	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
399	>	assertTrue(p.isShutdown());
400	>	joinPool(p);
401	>	}
402	>
403		/**
404	<	*  Test to verify getTaskCount gives correct values
404	>	* isTerminated is false before termination, true after
405		*/
406	<	public void testGetTaskCount(){
407	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
406	>	public void testIsTerminated() throws InterruptedException {
407	>	final ThreadPoolExecutor p =
408	>	new ThreadPoolExecutor(1, 1,
409	>	LONG_DELAY_MS, MILLISECONDS,
410	>	new ArrayBlockingQueue<Runnable>(10));
411	>	final CountDownLatch threadStarted = new CountDownLatch(1);
412	>	final CountDownLatch done = new CountDownLatch(1);
413	>	assertFalse(p.isTerminated());
414		try {
415	<	assertEquals(0, one.getTaskCount());
416	<	for(int i = 0; i < 5; i++)
417	<	one.execute(newRunnable());
418	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
419	<	assertEquals(5, one.getTaskCount());
415	>	p.execute(new CheckedRunnable() {
416	>	public void realRun() throws InterruptedException {
417	>	assertFalse(p.isTerminated());
418	>	threadStarted.countDown();
419	>	done.await();
420	>	}});
421	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
422	>	assertFalse(p.isTerminating());
423	>	done.countDown();
424		} finally {
425	<	one.shutdown();
425	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
426		}
427	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
428	+	assertTrue(p.isTerminated());
429		}
430	<
430	>
431		/**
432	<	*  Test to verify isShutDown gives correct values
432	>	* isTerminating is not true when running or when terminated
433		*/
434	<	public void testIsShutdown(){
435	<
436	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
434	>	public void testIsTerminating() throws InterruptedException {
435	>	final ThreadPoolExecutor p =
436	>	new ThreadPoolExecutor(1, 1,
437	>	LONG_DELAY_MS, MILLISECONDS,
438	>	new ArrayBlockingQueue<Runnable>(10));
439	>	final CountDownLatch threadStarted = new CountDownLatch(1);
440	>	final CountDownLatch done = new CountDownLatch(1);
441		try {
442	<	assertFalse(one.isShutdown());
442	>	assertFalse(p.isTerminating());
443	>	p.execute(new CheckedRunnable() {
444	>	public void realRun() throws InterruptedException {
445	>	assertFalse(p.isTerminating());
446	>	threadStarted.countDown();
447	>	done.await();
448	>	}});
449	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
450	>	assertFalse(p.isTerminating());
451	>	done.countDown();
452	>	} finally {
453	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
454		}
455	<	finally {
456	<	one.shutdown();
455	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
456	>	assertTrue(p.isTerminated());
457	>	assertFalse(p.isTerminating());
458	>	}
459	>
460	>	/**
461	>	* getQueue returns the work queue, which contains queued tasks
462	>	*/
463	>	public void testGetQueue() throws InterruptedException {
464	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
465	>	final ThreadPoolExecutor p =
466	>	new ThreadPoolExecutor(1, 1,
467	>	LONG_DELAY_MS, MILLISECONDS,
468	>	q);
469	>	final CountDownLatch threadStarted = new CountDownLatch(1);
470	>	final CountDownLatch done = new CountDownLatch(1);
471	>	try {
472	>	FutureTask[] tasks = new FutureTask[5];
473	>	for (int i = 0; i < tasks.length; i++) {
474	>	Callable task = new CheckedCallable<Boolean>() {
475	>	public Boolean realCall() throws InterruptedException {
476	>	threadStarted.countDown();
477	>	assertSame(q, p.getQueue());
478	>	done.await();
479	>	return Boolean.TRUE;
480	>	}};
481	>	tasks[i] = new FutureTask(task);
482	>	p.execute(tasks[i]);
483	>	}
484	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
485	>	assertSame(q, p.getQueue());
486	>	assertFalse(q.contains(tasks[0]));
487	>	assertTrue(q.contains(tasks[tasks.length - 1]));
488	>	assertEquals(tasks.length - 1, q.size());
489	>	} finally {
490	>	done.countDown();
491	>	joinPool(p);
492		}
196	–	assertTrue(one.isShutdown());
493		}
494
199	–
495		/**
496	<	*  Test to verify isTerminated gives correct values
202	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
496	>	* remove(task) removes queued task, and fails to remove active task
497		*/
498	<	public void testIsTerminated(){
499	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
498	>	public void testRemove() throws InterruptedException {
499	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	q);
504	>	Runnable[] tasks = new Runnable[5];
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507		try {
508	<	one.execute(newRunnable());
508	>	for (int i = 0; i < tasks.length; i++) {
509	>	tasks[i] = new CheckedRunnable() {
510	>	public void realRun() throws InterruptedException {
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}};
514	>	p.execute(tasks[i]);
515	>	}
516	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
517	>	assertFalse(p.remove(tasks[0]));
518	>	assertTrue(q.contains(tasks[4]));
519	>	assertTrue(q.contains(tasks[3]));
520	>	assertTrue(p.remove(tasks[4]));
521	>	assertFalse(p.remove(tasks[4]));
522	>	assertFalse(q.contains(tasks[4]));
523	>	assertTrue(q.contains(tasks[3]));
524	>	assertTrue(p.remove(tasks[3]));
525	>	assertFalse(q.contains(tasks[3]));
526		} finally {
527	<	one.shutdown();
527	>	done.countDown();
528	>	joinPool(p);
529		}
212	–	boolean flag = false;
213	–	try{
214	–	flag = one.awaitTermination(10, TimeUnit.SECONDS);
215	–	} catch(Exception e){}
216	–	assertTrue(one.isTerminated());
217	–	if(!flag)
218	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
530		}
531
532		/**
533	<	*  Test to verify that purge correctly removes cancelled tasks
223	<	*  from the queue
533	>	* purge removes cancelled tasks from the queue
534		*/
535	<	public void testPurge(){
536	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
535	>	public void testPurge() throws InterruptedException {
536	>	final CountDownLatch threadStarted = new CountDownLatch(1);
537	>	final CountDownLatch done = new CountDownLatch(1);
538	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
539	>	final ThreadPoolExecutor p =
540	>	new ThreadPoolExecutor(1, 1,
541	>	LONG_DELAY_MS, MILLISECONDS,
542	>	q);
543	>	FutureTask[] tasks = new FutureTask[5];
544		try {
545	<	CancellableTask[] tasks = new CancellableTask[5];
546	<	for(int i = 0; i < 5; i++){
547	<	tasks[i] = new CancellableTask(newRunnable());
548	<	one.execute(tasks[i]);
545	>	for (int i = 0; i < tasks.length; i++) {
546	>	Callable task = new CheckedCallable<Boolean>() {
547	>	public Boolean realCall() throws InterruptedException {
548	>	threadStarted.countDown();
549	>	done.await();
550	>	return Boolean.TRUE;
551	>	}};
552	>	tasks[i] = new FutureTask(task);
553	>	p.execute(tasks[i]);
554		}
555	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
556	+	assertEquals(tasks.length, p.getTaskCount());
557	+	assertEquals(tasks.length - 1, q.size());
558	+	assertEquals(1L, p.getActiveCount());
559	+	assertEquals(0L, p.getCompletedTaskCount());
560		tasks[4].cancel(true);
561	<	tasks[3].cancel(true);
562	<	one.purge();
563	<	long count = one.getTaskCount();
564	<	assertTrue(count >= 2 && count < 5);
561	>	tasks[3].cancel(false);
562	>	p.purge();
563	>	assertEquals(tasks.length - 3, q.size());
564	>	assertEquals(tasks.length - 2, p.getTaskCount());
565	>	p.purge();         // Nothing to do
566	>	assertEquals(tasks.length - 3, q.size());
567	>	assertEquals(tasks.length - 2, p.getTaskCount());
568		} finally {
569	<	one.shutdown();
569	>	done.countDown();
570	>	joinPool(p);
571		}
572		}
573
574		/**
575	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
575	>	* shutdownNow returns a list containing tasks that were not run
576		*/
577	<	public void testShutDownNow(){
578	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
577	>	public void testShutdownNow() {
578	>	final ThreadPoolExecutor p =
579	>	new ThreadPoolExecutor(1, 1,
580	>	LONG_DELAY_MS, MILLISECONDS,
581	>	new ArrayBlockingQueue<Runnable>(10));
582		List l;
583		try {
584	<	for(int i = 0; i < 5; i++)
585	<	one.execute(newRunnable());
584	>	for (int i = 0; i < 5; i++)
585	>	p.execute(new MediumPossiblyInterruptedRunnable());
586		}
587		finally {
588	<	l = one.shutdownNow();
588	>	try {
589	>	l = p.shutdownNow();
590	>	} catch (SecurityException ok) { return; }
591		}
592	<	assertTrue(one.isShutdown());
593	<	assertTrue(l.size() <= 4);
592	>	assertTrue(p.isShutdown());
593	>	assertTrue(l.size() <= 4);
594		}
595
261	–
262	–
263	–
264	–
265	–
596		// Exception Tests
267	–
597
598	<	//---- Tests if corePoolSize argument is less than zero
598	>	/**
599	>	* Constructor throws if corePoolSize argument is less than zero
600	>	*/
601		public void testConstructor1() {
602	<	try{
603	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
604	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
605	<	}
606	<	catch (IllegalArgumentException i){}
602	>	try {
603	>	new ThreadPoolExecutor(-1, 1,
604	>	LONG_DELAY_MS, MILLISECONDS,
605	>	new ArrayBlockingQueue<Runnable>(10));
606	>	shouldThrow();
607	>	} catch (IllegalArgumentException success) {}
608		}
609	<
610	<	//---- Tests if maximumPoolSize is less than zero
609	>
610	>	/**
611	>	* Constructor throws if maximumPoolSize is less than zero
612	>	*/
613		public void testConstructor2() {
614	<	try{
615	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
616	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
617	<	}
618	<	catch (IllegalArgumentException i2){}
614	>	try {
615	>	new ThreadPoolExecutor(1, -1,
616	>	LONG_DELAY_MS, MILLISECONDS,
617	>	new ArrayBlockingQueue<Runnable>(10));
618	>	shouldThrow();
619	>	} catch (IllegalArgumentException success) {}
620		}
621	<
622	<	//---- Tests if maximumPoolSize is equal to zero
621	>
622	>	/**
623	>	* Constructor throws if maximumPoolSize is equal to zero
624	>	*/
625		public void testConstructor3() {
626	<	try{
627	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
628	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
629	<	}
630	<	catch (IllegalArgumentException i3){}
626	>	try {
627	>	new ThreadPoolExecutor(1, 0,
628	>	LONG_DELAY_MS, MILLISECONDS,
629	>	new ArrayBlockingQueue<Runnable>(10));
630	>	shouldThrow();
631	>	} catch (IllegalArgumentException success) {}
632		}
633
634	<	//---- Tests if keepAliveTime is less than zero
634	>	/**
635	>	* Constructor throws if keepAliveTime is less than zero
636	>	*/
637		public void testConstructor4() {
638	<	try{
639	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
640	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
641	<	}
642	<	catch (IllegalArgumentException i4){}
638	>	try {
639	>	new ThreadPoolExecutor(1, 2,
640	>	-1L, MILLISECONDS,
641	>	new ArrayBlockingQueue<Runnable>(10));
642	>	shouldThrow();
643	>	} catch (IllegalArgumentException success) {}
644		}
645
646	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
646	>	/**
647	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
648	>	*/
649		public void testConstructor5() {
650	<	try{
651	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
652	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
653	<	}
654	<	catch (IllegalArgumentException i5){}
650	>	try {
651	>	new ThreadPoolExecutor(2, 1,
652	>	LONG_DELAY_MS, MILLISECONDS,
653	>	new ArrayBlockingQueue<Runnable>(10));
654	>	shouldThrow();
655	>	} catch (IllegalArgumentException success) {}
656		}
657	<
658	<	//---- Tests if workQueue is set to null
659	<	public void testNullPointerException() {
660	<	try{
661	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
662	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
663	<	}
664	<	catch (NullPointerException n){}
657	>
658	>	/**
659	>	* Constructor throws if workQueue is set to null
660	>	*/
661	>	public void testConstructorNullPointerException() {
662	>	try {
663	>	new ThreadPoolExecutor(1, 2,
664	>	LONG_DELAY_MS, MILLISECONDS,
665	>	(BlockingQueue) null);
666	>	shouldThrow();
667	>	} catch (NullPointerException success) {}
668		}
322	–
669
670	<
671	<	//---- Tests if corePoolSize argument is less than zero
670	>	/**
671	>	* Constructor throws if corePoolSize argument is less than zero
672	>	*/
673		public void testConstructor6() {
674	<	try{
675	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
676	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
677	<	} catch (IllegalArgumentException i6){}
674	>	try {
675	>	new ThreadPoolExecutor(-1, 1,
676	>	LONG_DELAY_MS, MILLISECONDS,
677	>	new ArrayBlockingQueue<Runnable>(10),
678	>	new SimpleThreadFactory());
679	>	shouldThrow();
680	>	} catch (IllegalArgumentException success) {}
681		}
682	<
683	<	//---- Tests if maximumPoolSize is less than zero
682	>
683	>	/**
684	>	* Constructor throws if maximumPoolSize is less than zero
685	>	*/
686		public void testConstructor7() {
687	<	try{
688	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
689	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
690	<	}
691	<	catch (IllegalArgumentException i7){}
687	>	try {
688	>	new ThreadPoolExecutor(1, -1,
689	>	LONG_DELAY_MS, MILLISECONDS,
690	>	new ArrayBlockingQueue<Runnable>(10),
691	>	new SimpleThreadFactory());
692	>	shouldThrow();
693	>	} catch (IllegalArgumentException success) {}
694		}
695
696	<	//---- Tests if maximumPoolSize is equal to zero
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698	>	*/
699		public void testConstructor8() {
700	<	try{
701	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
702	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
703	<	}
704	<	catch (IllegalArgumentException i8){}
700	>	try {
701	>	new ThreadPoolExecutor(1, 0,
702	>	LONG_DELAY_MS, MILLISECONDS,
703	>	new ArrayBlockingQueue<Runnable>(10),
704	>	new SimpleThreadFactory());
705	>	shouldThrow();
706	>	} catch (IllegalArgumentException success) {}
707		}
708
709	<	//---- Tests if keepAliveTime is less than zero
709	>	/**
710	>	* Constructor throws if keepAliveTime is less than zero
711	>	*/
712		public void testConstructor9() {
713	<	try{
714	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
715	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
716	<	}
717	<	catch (IllegalArgumentException i9){}
713	>	try {
714	>	new ThreadPoolExecutor(1, 2,
715	>	-1L, MILLISECONDS,
716	>	new ArrayBlockingQueue<Runnable>(10),
717	>	new SimpleThreadFactory());
718	>	shouldThrow();
719	>	} catch (IllegalArgumentException success) {}
720		}
721
722	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
722	>	/**
723	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
724	>	*/
725		public void testConstructor10() {
726	<	try{
727	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
728	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
726	>	try {
727	>	new ThreadPoolExecutor(2, 1,
728	>	LONG_DELAY_MS, MILLISECONDS,
729	>	new ArrayBlockingQueue<Runnable>(10),
730	>	new SimpleThreadFactory());
731	>	shouldThrow();
732	>	} catch (IllegalArgumentException success) {}
733	>	}
734	>
735	>	/**
736	>	* Constructor throws if workQueue is set to null
737	>	*/
738	>	public void testConstructorNullPointerException2() {
739	>	try {
740	>	new ThreadPoolExecutor(1, 2,
741	>	LONG_DELAY_MS, MILLISECONDS,
742	>	(BlockingQueue) null,
743	>	new SimpleThreadFactory());
744	>	shouldThrow();
745	>	} catch (NullPointerException success) {}
746	>	}
747	>
748	>	/**
749	>	* Constructor throws if threadFactory is set to null
750	>	*/
751	>	public void testConstructorNullPointerException3() {
752	>	try {
753	>	new ThreadPoolExecutor(1, 2,
754	>	LONG_DELAY_MS, MILLISECONDS,
755	>	new ArrayBlockingQueue<Runnable>(10),
756	>	(ThreadFactory) null);
757	>	shouldThrow();
758	>	} catch (NullPointerException success) {}
759	>	}
760	>
761	>	/**
762	>	* Constructor throws if corePoolSize argument is less than zero
763	>	*/
764	>	public void testConstructor11() {
765	>	try {
766	>	new ThreadPoolExecutor(-1, 1,
767	>	LONG_DELAY_MS, MILLISECONDS,
768	>	new ArrayBlockingQueue<Runnable>(10),
769	>	new NoOpREHandler());
770	>	shouldThrow();
771	>	} catch (IllegalArgumentException success) {}
772	>	}
773	>
774	>	/**
775	>	* Constructor throws if maximumPoolSize is less than zero
776	>	*/
777	>	public void testConstructor12() {
778	>	try {
779	>	new ThreadPoolExecutor(1, -1,
780	>	LONG_DELAY_MS, MILLISECONDS,
781	>	new ArrayBlockingQueue<Runnable>(10),
782	>	new NoOpREHandler());
783	>	shouldThrow();
784	>	} catch (IllegalArgumentException success) {}
785	>	}
786	>
787	>	/**
788	>	* Constructor throws if maximumPoolSize is equal to zero
789	>	*/
790	>	public void testConstructor13() {
791	>	try {
792	>	new ThreadPoolExecutor(1, 0,
793	>	LONG_DELAY_MS, MILLISECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new NoOpREHandler());
796	>	shouldThrow();
797	>	} catch (IllegalArgumentException success) {}
798	>	}
799	>
800	>	/**
801	>	* Constructor throws if keepAliveTime is less than zero
802	>	*/
803	>	public void testConstructor14() {
804	>	try {
805	>	new ThreadPoolExecutor(1, 2,
806	>	-1L, MILLISECONDS,
807	>	new ArrayBlockingQueue<Runnable>(10),
808	>	new NoOpREHandler());
809	>	shouldThrow();
810	>	} catch (IllegalArgumentException success) {}
811	>	}
812	>
813	>	/**
814	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
815	>	*/
816	>	public void testConstructor15() {
817	>	try {
818	>	new ThreadPoolExecutor(2, 1,
819	>	LONG_DELAY_MS, MILLISECONDS,
820	>	new ArrayBlockingQueue<Runnable>(10),
821	>	new NoOpREHandler());
822	>	shouldThrow();
823	>	} catch (IllegalArgumentException success) {}
824	>	}
825	>
826	>	/**
827	>	* Constructor throws if workQueue is set to null
828	>	*/
829	>	public void testConstructorNullPointerException4() {
830	>	try {
831	>	new ThreadPoolExecutor(1, 2,
832	>	LONG_DELAY_MS, MILLISECONDS,
833	>	(BlockingQueue) null,
834	>	new NoOpREHandler());
835	>	shouldThrow();
836	>	} catch (NullPointerException success) {}
837	>	}
838	>
839	>	/**
840	>	* Constructor throws if handler is set to null
841	>	*/
842	>	public void testConstructorNullPointerException5() {
843	>	try {
844	>	new ThreadPoolExecutor(1, 2,
845	>	LONG_DELAY_MS, MILLISECONDS,
846	>	new ArrayBlockingQueue<Runnable>(10),
847	>	(RejectedExecutionHandler) null);
848	>	shouldThrow();
849	>	} catch (NullPointerException success) {}
850	>	}
851	>
852	>	/**
853	>	* Constructor throws if corePoolSize argument is less than zero
854	>	*/
855	>	public void testConstructor16() {
856	>	try {
857	>	new ThreadPoolExecutor(-1, 1,
858	>	LONG_DELAY_MS, MILLISECONDS,
859	>	new ArrayBlockingQueue<Runnable>(10),
860	>	new SimpleThreadFactory(),
861	>	new NoOpREHandler());
862	>	shouldThrow();
863	>	} catch (IllegalArgumentException success) {}
864	>	}
865	>
866	>	/**
867	>	* Constructor throws if maximumPoolSize is less than zero
868	>	*/
869	>	public void testConstructor17() {
870	>	try {
871	>	new ThreadPoolExecutor(1, -1,
872	>	LONG_DELAY_MS, MILLISECONDS,
873	>	new ArrayBlockingQueue<Runnable>(10),
874	>	new SimpleThreadFactory(),
875	>	new NoOpREHandler());
876	>	shouldThrow();
877	>	} catch (IllegalArgumentException success) {}
878	>	}
879	>
880	>	/**
881	>	* Constructor throws if maximumPoolSize is equal to zero
882	>	*/
883	>	public void testConstructor18() {
884	>	try {
885	>	new ThreadPoolExecutor(1, 0,
886	>	LONG_DELAY_MS, MILLISECONDS,
887	>	new ArrayBlockingQueue<Runnable>(10),
888	>	new SimpleThreadFactory(),
889	>	new NoOpREHandler());
890	>	shouldThrow();
891	>	} catch (IllegalArgumentException success) {}
892	>	}
893	>
894	>	/**
895	>	* Constructor throws if keepAliveTime is less than zero
896	>	*/
897	>	public void testConstructor19() {
898	>	try {
899	>	new ThreadPoolExecutor(1, 2,
900	>	-1L, MILLISECONDS,
901	>	new ArrayBlockingQueue<Runnable>(10),
902	>	new SimpleThreadFactory(),
903	>	new NoOpREHandler());
904	>	shouldThrow();
905	>	} catch (IllegalArgumentException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
910	>	*/
911	>	public void testConstructor20() {
912	>	try {
913	>	new ThreadPoolExecutor(2, 1,
914	>	LONG_DELAY_MS, MILLISECONDS,
915	>	new ArrayBlockingQueue<Runnable>(10),
916	>	new SimpleThreadFactory(),
917	>	new NoOpREHandler());
918	>	shouldThrow();
919	>	} catch (IllegalArgumentException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if workQueue is null
924	>	*/
925	>	public void testConstructorNullPointerException6() {
926	>	try {
927	>	new ThreadPoolExecutor(1, 2,
928	>	LONG_DELAY_MS, MILLISECONDS,
929	>	(BlockingQueue) null,
930	>	new SimpleThreadFactory(),
931	>	new NoOpREHandler());
932	>	shouldThrow();
933	>	} catch (NullPointerException success) {}
934	>	}
935	>
936	>	/**
937	>	* Constructor throws if handler is null
938	>	*/
939	>	public void testConstructorNullPointerException7() {
940	>	try {
941	>	new ThreadPoolExecutor(1, 2,
942	>	LONG_DELAY_MS, MILLISECONDS,
943	>	new ArrayBlockingQueue<Runnable>(10),
944	>	new SimpleThreadFactory(),
945	>	(RejectedExecutionHandler) null);
946	>	shouldThrow();
947	>	} catch (NullPointerException success) {}
948	>	}
949	>
950	>	/**
951	>	* Constructor throws if ThreadFactory is null
952	>	*/
953	>	public void testConstructorNullPointerException8() {
954	>	try {
955	>	new ThreadPoolExecutor(1, 2,
956	>	LONG_DELAY_MS, MILLISECONDS,
957	>	new ArrayBlockingQueue<Runnable>(10),
958	>	(ThreadFactory) null,
959	>	new NoOpREHandler());
960	>	shouldThrow();
961	>	} catch (NullPointerException success) {}
962	>	}
963	>
964	>	/**
965	>	* get of submitted callable throws InterruptedException if interrupted
966	>	*/
967	>	public void testInterruptedSubmit() throws InterruptedException {
968	>	final ThreadPoolExecutor p =
969	>	new ThreadPoolExecutor(1, 1,
970	>	60, TimeUnit.SECONDS,
971	>	new ArrayBlockingQueue<Runnable>(10));
972	>
973	>	final CountDownLatch threadStarted = new CountDownLatch(1);
974	>	final CountDownLatch done = new CountDownLatch(1);
975	>	try {
976	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
977	>	public void realRun() throws Exception {
978	>	Callable task = new CheckedCallable<Boolean>() {
979	>	public Boolean realCall() throws InterruptedException {
980	>	threadStarted.countDown();
981	>	done.await();
982	>	return Boolean.TRUE;
983	>	}};
984	>	p.submit(task).get();
985	>	}});
986	>
987	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
988	>	t.interrupt();
989	>	awaitTermination(t, MEDIUM_DELAY_MS);
990	>	} finally {
991	>	done.countDown();
992	>	joinPool(p);
993		}
366	–	catch (IllegalArgumentException i10){}
994		}
995
996	<	//---- Tests if workQueue is set to null
997	<	public void testNullPointerException2() {
998	<	try{
999	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1000	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
996	>	/**
997	>	* execute throws RejectedExecutionException if saturated.
998	>	*/
999	>	public void testSaturatedExecute() {
1000	>	ThreadPoolExecutor p =
1001	>	new ThreadPoolExecutor(1, 1,
1002	>	LONG_DELAY_MS, MILLISECONDS,
1003	>	new ArrayBlockingQueue<Runnable>(1));
1004	>	final CountDownLatch done = new CountDownLatch(1);
1005	>	try {
1006	>	Runnable task = new CheckedRunnable() {
1007	>	public void realRun() throws InterruptedException {
1008	>	done.await();
1009	>	}};
1010	>	for (int i = 0; i < 2; ++i)
1011	>	p.execute(task);
1012	>	for (int i = 0; i < 2; ++i) {
1013	>	try {
1014	>	p.execute(task);
1015	>	shouldThrow();
1016	>	} catch (RejectedExecutionException success) {}
1017	>	assertTrue(p.getTaskCount() <= 2);
1018	>	}
1019	>	} finally {
1020	>	done.countDown();
1021	>	joinPool(p);
1022		}
375	–	catch (NullPointerException n2){}
1023		}
1024
1025	<	//---- Tests if threadFactory is set to null
1026	<	public void testNullPointerException3() {
1027	<	try{
1028	<	ThreadFactory f = null;
1029	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1030	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1025	>	/**
1026	>	* submit(runnable) throws RejectedExecutionException if saturated.
1027	>	*/
1028	>	public void testSaturatedSubmitRunnable() {
1029	>	ThreadPoolExecutor p =
1030	>	new ThreadPoolExecutor(1, 1,
1031	>	LONG_DELAY_MS, MILLISECONDS,
1032	>	new ArrayBlockingQueue<Runnable>(1));
1033	>	final CountDownLatch done = new CountDownLatch(1);
1034	>	try {
1035	>	Runnable task = new CheckedRunnable() {
1036	>	public void realRun() throws InterruptedException {
1037	>	done.await();
1038	>	}};
1039	>	for (int i = 0; i < 2; ++i)
1040	>	p.submit(task);
1041	>	for (int i = 0; i < 2; ++i) {
1042	>	try {
1043	>	p.execute(task);
1044	>	shouldThrow();
1045	>	} catch (RejectedExecutionException success) {}
1046	>	assertTrue(p.getTaskCount() <= 2);
1047	>	}
1048	>	} finally {
1049	>	done.countDown();
1050	>	joinPool(p);
1051		}
385	–	catch (NullPointerException n3){}
1052		}
1053	<
1054	<
1055	<	//---- Tests if corePoolSize argument is less than zero
1056	<	public void testConstructor11() {
1057	<	try{
1058	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1059	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1053	>
1054	>	/**
1055	>	* submit(callable) throws RejectedExecutionException if saturated.
1056	>	*/
1057	>	public void testSaturatedSubmitCallable() {
1058	>	ThreadPoolExecutor p =
1059	>	new ThreadPoolExecutor(1, 1,
1060	>	LONG_DELAY_MS, MILLISECONDS,
1061	>	new ArrayBlockingQueue<Runnable>(1));
1062	>	final CountDownLatch done = new CountDownLatch(1);
1063	>	try {
1064	>	Runnable task = new CheckedRunnable() {
1065	>	public void realRun() throws InterruptedException {
1066	>	done.await();
1067	>	}};
1068	>	for (int i = 0; i < 2; ++i)
1069	>	p.submit(Executors.callable(task));
1070	>	for (int i = 0; i < 2; ++i) {
1071	>	try {
1072	>	p.execute(task);
1073	>	shouldThrow();
1074	>	} catch (RejectedExecutionException success) {}
1075	>	assertTrue(p.getTaskCount() <= 2);
1076	>	}
1077	>	} finally {
1078	>	done.countDown();
1079	>	joinPool(p);
1080		}
395	–	catch (IllegalArgumentException i11){}
1081		}
1082
1083	<	//---- Tests if maximumPoolSize is less than zero
1084	<	public void testConstructor12() {
1085	<	try{
1086	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1087	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1083	>	/**
1084	>	* executor using CallerRunsPolicy runs task if saturated.
1085	>	*/
1086	>	public void testSaturatedExecute2() {
1087	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1088	>	final ThreadPoolExecutor p =
1089	>	new ThreadPoolExecutor(1, 1,
1090	>	LONG_DELAY_MS,
1091	>	MILLISECONDS,
1092	>	new ArrayBlockingQueue<Runnable>(1),
1093	>	h);
1094	>	try {
1095	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1096	>	for (int i = 0; i < tasks.length; ++i)
1097	>	tasks[i] = new TrackedNoOpRunnable();
1098	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1099	>	p.execute(mr);
1100	>	for (int i = 0; i < tasks.length; ++i)
1101	>	p.execute(tasks[i]);
1102	>	for (int i = 1; i < tasks.length; ++i)
1103	>	assertTrue(tasks[i].done);
1104	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1105	>	} finally {
1106	>	joinPool(p);
1107		}
404	–	catch (IllegalArgumentException i12){}
1108		}
1109
1110	<	//---- Tests if maximumPoolSize is equal to zero
1111	<	public void testConstructor13() {
1112	<	try{
1113	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1114	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1110	>	/**
1111	>	* executor using DiscardPolicy drops task if saturated.
1112	>	*/
1113	>	public void testSaturatedExecute3() {
1114	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1115	>	final ThreadPoolExecutor p =
1116	>	new ThreadPoolExecutor(1, 1,
1117	>	LONG_DELAY_MS, MILLISECONDS,
1118	>	new ArrayBlockingQueue<Runnable>(1),
1119	>	h);
1120	>	try {
1121	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1122	>	for (int i = 0; i < tasks.length; ++i)
1123	>	tasks[i] = new TrackedNoOpRunnable();
1124	>	p.execute(new TrackedLongRunnable());
1125	>	for (TrackedNoOpRunnable task : tasks)
1126	>	p.execute(task);
1127	>	for (TrackedNoOpRunnable task : tasks)
1128	>	assertFalse(task.done);
1129	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1130	>	} finally {
1131	>	joinPool(p);
1132		}
413	–	catch (IllegalArgumentException i13){}
1133		}
1134
1135	<	//---- Tests if keepAliveTime is less than zero
1136	<	public void testConstructor14() {
1137	<	try{
1138	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1139	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1135	>	/**
1136	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1137	>	*/
1138	>	public void testSaturatedExecute4() {
1139	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1140	>	final ThreadPoolExecutor p =
1141	>	new ThreadPoolExecutor(1, 1,
1142	>	LONG_DELAY_MS, MILLISECONDS,
1143	>	new ArrayBlockingQueue<Runnable>(1),
1144	>	h);
1145	>	try {
1146	>	p.execute(new TrackedLongRunnable());
1147	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1148	>	p.execute(r2);
1149	>	assertTrue(p.getQueue().contains(r2));
1150	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1151	>	p.execute(r3);
1152	>	assertFalse(p.getQueue().contains(r2));
1153	>	assertTrue(p.getQueue().contains(r3));
1154	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1155	>	} finally {
1156	>	joinPool(p);
1157		}
422	–	catch (IllegalArgumentException i14){}
1158		}
1159
1160	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1161	<	public void testConstructor15() {
1162	<	try{
1163	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1164	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1160	>	/**
1161	>	* execute throws RejectedExecutionException if shutdown
1162	>	*/
1163	>	public void testRejectedExecutionExceptionOnShutdown() {
1164	>	ThreadPoolExecutor p =
1165	>	new ThreadPoolExecutor(1, 1,
1166	>	LONG_DELAY_MS, MILLISECONDS,
1167	>	new ArrayBlockingQueue<Runnable>(1));
1168	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1169	>	try {
1170	>	p.execute(new NoOpRunnable());
1171	>	shouldThrow();
1172	>	} catch (RejectedExecutionException success) {}
1173	>
1174	>	joinPool(p);
1175	>	}
1176	>
1177	>	/**
1178	>	* execute using CallerRunsPolicy drops task on shutdown
1179	>	*/
1180	>	public void testCallerRunsOnShutdown() {
1181	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1182	>	final ThreadPoolExecutor p =
1183	>	new ThreadPoolExecutor(1, 1,
1184	>	LONG_DELAY_MS, MILLISECONDS,
1185	>	new ArrayBlockingQueue<Runnable>(1), h);
1186	>
1187	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1188	>	try {
1189	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1190	>	p.execute(r);
1191	>	assertFalse(r.done);
1192	>	} finally {
1193	>	joinPool(p);
1194		}
431	–	catch (IllegalArgumentException i15){}
1195		}
1196
1197	<	//---- Tests if workQueue is set to null
1198	<	public void testNullPointerException4() {
1199	<	try{
1200	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1201	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1197	>	/**
1198	>	* execute using DiscardPolicy drops task on shutdown
1199	>	*/
1200	>	public void testDiscardOnShutdown() {
1201	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1202	>	ThreadPoolExecutor p =
1203	>	new ThreadPoolExecutor(1, 1,
1204	>	LONG_DELAY_MS, MILLISECONDS,
1205	>	new ArrayBlockingQueue<Runnable>(1),
1206	>	h);
1207	>
1208	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1209	>	try {
1210	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1211	>	p.execute(r);
1212	>	assertFalse(r.done);
1213	>	} finally {
1214	>	joinPool(p);
1215		}
440	–	catch (NullPointerException n4){}
1216		}
1217
1218	<	//---- Tests if handler is set to null
1219	<	public void testNullPointerException5() {
1220	<	try{
1221	<	RejectedExecutionHandler r = null;
1222	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1223	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1218	>	/**
1219	>	* execute using DiscardOldestPolicy drops task on shutdown
1220	>	*/
1221	>	public void testDiscardOldestOnShutdown() {
1222	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1223	>	ThreadPoolExecutor p =
1224	>	new ThreadPoolExecutor(1, 1,
1225	>	LONG_DELAY_MS, MILLISECONDS,
1226	>	new ArrayBlockingQueue<Runnable>(1),
1227	>	h);
1228	>
1229	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1230	>	try {
1231	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1232	>	p.execute(r);
1233	>	assertFalse(r.done);
1234	>	} finally {
1235	>	joinPool(p);
1236		}
450	–	catch (NullPointerException n5){}
1237		}
1238
1239	<
1240	<	//---- Tests if corePoolSize argument is less than zero
1241	<	public void testConstructor16() {
1242	<	try{
1243	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1244	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1239	>	/**
1240	>	* execute(null) throws NPE
1241	>	*/
1242	>	public void testExecuteNull() {
1243	>	ThreadPoolExecutor p =
1244	>	new ThreadPoolExecutor(1, 2,
1245	>	LONG_DELAY_MS, MILLISECONDS,
1246	>	new ArrayBlockingQueue<Runnable>(10));
1247	>	try {
1248	>	p.execute(null);
1249	>	shouldThrow();
1250	>	} catch (NullPointerException success) {}
1251	>
1252	>	joinPool(p);
1253	>	}
1254	>
1255	>	/**
1256	>	* setCorePoolSize of negative value throws IllegalArgumentException
1257	>	*/
1258	>	public void testCorePoolSizeIllegalArgumentException() {
1259	>	ThreadPoolExecutor p =
1260	>	new ThreadPoolExecutor(1, 2,
1261	>	LONG_DELAY_MS, MILLISECONDS,
1262	>	new ArrayBlockingQueue<Runnable>(10));
1263	>	try {
1264	>	p.setCorePoolSize(-1);
1265	>	shouldThrow();
1266	>	} catch (IllegalArgumentException success) {
1267	>	} finally {
1268	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1269		}
1270	<	catch (IllegalArgumentException i16){}
1270	>	joinPool(p);
1271		}
1272
1273	<	//---- Tests if maximumPoolSize is less than zero
1274	<	public void testConstructor17() {
1275	<	try{
1276	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1277	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1273	>	/**
1274	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1275	>	* given a value less the core pool size
1276	>	*/
1277	>	public void testMaximumPoolSizeIllegalArgumentException() {
1278	>	ThreadPoolExecutor p =
1279	>	new ThreadPoolExecutor(2, 3,
1280	>	LONG_DELAY_MS, MILLISECONDS,
1281	>	new ArrayBlockingQueue<Runnable>(10));
1282	>	try {
1283	>	p.setMaximumPoolSize(1);
1284	>	shouldThrow();
1285	>	} catch (IllegalArgumentException success) {
1286	>	} finally {
1287	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1288		}
1289	<	catch (IllegalArgumentException i17){}
1289	>	joinPool(p);
1290		}
1291
1292	<	//---- Tests if maximumPoolSize is equal to zero
1293	<	public void testConstructor18() {
1294	<	try{
1295	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1296	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1292	>	/**
1293	>	* setMaximumPoolSize throws IllegalArgumentException
1294	>	* if given a negative value
1295	>	*/
1296	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1297	>	ThreadPoolExecutor p =
1298	>	new ThreadPoolExecutor(2, 3,
1299	>	LONG_DELAY_MS, MILLISECONDS,
1300	>	new ArrayBlockingQueue<Runnable>(10));
1301	>	try {
1302	>	p.setMaximumPoolSize(-1);
1303	>	shouldThrow();
1304	>	} catch (IllegalArgumentException success) {
1305	>	} finally {
1306	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1307		}
1308	<	catch (IllegalArgumentException i18){}
1308	>	joinPool(p);
1309		}
1310
1311	<	//---- Tests if keepAliveTime is less than zero
1312	<	public void testConstructor19() {
1313	<	try{
1314	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1315	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1311	>	/**
1312	>	* setKeepAliveTime throws IllegalArgumentException
1313	>	* when given a negative value
1314	>	*/
1315	>	public void testKeepAliveTimeIllegalArgumentException() {
1316	>	ThreadPoolExecutor p =
1317	>	new ThreadPoolExecutor(2, 3,
1318	>	LONG_DELAY_MS, MILLISECONDS,
1319	>	new ArrayBlockingQueue<Runnable>(10));
1320	>	try {
1321	>	p.setKeepAliveTime(-1,MILLISECONDS);
1322	>	shouldThrow();
1323	>	} catch (IllegalArgumentException success) {
1324	>	} finally {
1325	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1326		}
1327	<	catch (IllegalArgumentException i19){}
1327	>	joinPool(p);
1328		}
1329
1330	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1331	<	public void testConstructor20() {
1332	<	try{
1333	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1334	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1330	>	/**
1331	>	* terminated() is called on termination
1332	>	*/
1333	>	public void testTerminated() {
1334	>	ExtendedTPE p = new ExtendedTPE();
1335	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1336	>	assertTrue(p.terminatedCalled());
1337	>	joinPool(p);
1338	>	}
1339	>
1340	>	/**
1341	>	* beforeExecute and afterExecute are called when executing task
1342	>	*/
1343	>	public void testBeforeAfter() throws InterruptedException {
1344	>	ExtendedTPE p = new ExtendedTPE();
1345	>	try {
1346	>	final CountDownLatch done = new CountDownLatch(1);
1347	>	final CheckedRunnable task = new CheckedRunnable() {
1348	>	public void realRun() {
1349	>	done.countDown();
1350	>	}};
1351	>	p.execute(task);
1352	>	await(p.afterCalled);
1353	>	assertEquals(0, done.getCount());
1354	>	assertTrue(p.afterCalled());
1355	>	assertTrue(p.beforeCalled());
1356	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1357	>	} finally {
1358	>	joinPool(p);
1359	>	}
1360	>	}
1361	>
1362	>	/**
1363	>	* completed submit of callable returns result
1364	>	*/
1365	>	public void testSubmitCallable() throws Exception {
1366	>	ExecutorService e =
1367	>	new ThreadPoolExecutor(2, 2,
1368	>	LONG_DELAY_MS, MILLISECONDS,
1369	>	new ArrayBlockingQueue<Runnable>(10));
1370	>	try {
1371	>	Future<String> future = e.submit(new StringTask());
1372	>	String result = future.get();
1373	>	assertSame(TEST_STRING, result);
1374	>	} finally {
1375	>	joinPool(e);
1376	>	}
1377	>	}
1378	>
1379	>	/**
1380	>	* completed submit of runnable returns successfully
1381	>	*/
1382	>	public void testSubmitRunnable() throws Exception {
1383	>	ExecutorService e =
1384	>	new ThreadPoolExecutor(2, 2,
1385	>	LONG_DELAY_MS, MILLISECONDS,
1386	>	new ArrayBlockingQueue<Runnable>(10));
1387	>	try {
1388	>	Future<?> future = e.submit(new NoOpRunnable());
1389	>	future.get();
1390	>	assertTrue(future.isDone());
1391	>	} finally {
1392	>	joinPool(e);
1393	>	}
1394	>	}
1395	>
1396	>	/**
1397	>	* completed submit of (runnable, result) returns result
1398	>	*/
1399	>	public void testSubmitRunnable2() throws Exception {
1400	>	ExecutorService e =
1401	>	new ThreadPoolExecutor(2, 2,
1402	>	LONG_DELAY_MS, MILLISECONDS,
1403	>	new ArrayBlockingQueue<Runnable>(10));
1404	>	try {
1405	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1406	>	String result = future.get();
1407	>	assertSame(TEST_STRING, result);
1408	>	} finally {
1409	>	joinPool(e);
1410	>	}
1411	>	}
1412	>
1413	>	/**
1414	>	* invokeAny(null) throws NPE
1415	>	*/
1416	>	public void testInvokeAny1() throws Exception {
1417	>	ExecutorService e =
1418	>	new ThreadPoolExecutor(2, 2,
1419	>	LONG_DELAY_MS, MILLISECONDS,
1420	>	new ArrayBlockingQueue<Runnable>(10));
1421	>	try {
1422	>	e.invokeAny(null);
1423	>	shouldThrow();
1424	>	} catch (NullPointerException success) {
1425	>	} finally {
1426	>	joinPool(e);
1427	>	}
1428	>	}
1429	>
1430	>	/**
1431	>	* invokeAny(empty collection) throws IAE
1432	>	*/
1433	>	public void testInvokeAny2() throws Exception {
1434	>	ExecutorService e =
1435	>	new ThreadPoolExecutor(2, 2,
1436	>	LONG_DELAY_MS, MILLISECONDS,
1437	>	new ArrayBlockingQueue<Runnable>(10));
1438	>	try {
1439	>	e.invokeAny(new ArrayList<Callable<String>>());
1440	>	shouldThrow();
1441	>	} catch (IllegalArgumentException success) {
1442	>	} finally {
1443	>	joinPool(e);
1444	>	}
1445	>	}
1446	>
1447	>	/**
1448	>	* invokeAny(c) throws NPE if c has null elements
1449	>	*/
1450	>	public void testInvokeAny3() throws Exception {
1451	>	final CountDownLatch latch = new CountDownLatch(1);
1452	>	final ExecutorService e =
1453	>	new ThreadPoolExecutor(2, 2,
1454	>	LONG_DELAY_MS, MILLISECONDS,
1455	>	new ArrayBlockingQueue<Runnable>(10));
1456	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1457	>	l.add(latchAwaitingStringTask(latch));
1458	>	l.add(null);
1459	>	try {
1460	>	e.invokeAny(l);
1461	>	shouldThrow();
1462	>	} catch (NullPointerException success) {
1463	>	} finally {
1464	>	latch.countDown();
1465	>	joinPool(e);
1466	>	}
1467	>	}
1468	>
1469	>	/**
1470	>	* invokeAny(c) throws ExecutionException if no task completes
1471	>	*/
1472	>	public void testInvokeAny4() throws Exception {
1473	>	ExecutorService e =
1474	>	new ThreadPoolExecutor(2, 2,
1475	>	LONG_DELAY_MS, MILLISECONDS,
1476	>	new ArrayBlockingQueue<Runnable>(10));
1477	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1478	>	l.add(new NPETask());
1479	>	try {
1480	>	e.invokeAny(l);
1481	>	shouldThrow();
1482	>	} catch (ExecutionException success) {
1483	>	assertTrue(success.getCause() instanceof NullPointerException);
1484	>	} finally {
1485	>	joinPool(e);
1486	>	}
1487	>	}
1488	>
1489	>	/**
1490	>	* invokeAny(c) returns result of some task
1491	>	*/
1492	>	public void testInvokeAny5() throws Exception {
1493	>	ExecutorService e =
1494	>	new ThreadPoolExecutor(2, 2,
1495	>	LONG_DELAY_MS, MILLISECONDS,
1496	>	new ArrayBlockingQueue<Runnable>(10));
1497	>	try {
1498	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1499	>	l.add(new StringTask());
1500	>	l.add(new StringTask());
1501	>	String result = e.invokeAny(l);
1502	>	assertSame(TEST_STRING, result);
1503	>	} finally {
1504	>	joinPool(e);
1505	>	}
1506	>	}
1507	>
1508	>	/**
1509	>	* invokeAll(null) throws NPE
1510	>	*/
1511	>	public void testInvokeAll1() throws Exception {
1512	>	ExecutorService e =
1513	>	new ThreadPoolExecutor(2, 2,
1514	>	LONG_DELAY_MS, MILLISECONDS,
1515	>	new ArrayBlockingQueue<Runnable>(10));
1516	>	try {
1517	>	e.invokeAll(null);
1518	>	shouldThrow();
1519	>	} catch (NullPointerException success) {
1520	>	} finally {
1521	>	joinPool(e);
1522		}
496	–	catch (IllegalArgumentException i20){}
1523		}
1524
1525	<	//---- Tests if workQueue is set to null
1526	<	public void testNullPointerException6() {
1527	<	try{
1528	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1529	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1525	>	/**
1526	>	* invokeAll(empty collection) returns empty collection
1527	>	*/
1528	>	public void testInvokeAll2() throws InterruptedException {
1529	>	ExecutorService e =
1530	>	new ThreadPoolExecutor(2, 2,
1531	>	LONG_DELAY_MS, MILLISECONDS,
1532	>	new ArrayBlockingQueue<Runnable>(10));
1533	>	try {
1534	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1535	>	assertTrue(r.isEmpty());
1536	>	} finally {
1537	>	joinPool(e);
1538		}
505	–	catch (NullPointerException n6){}
1539		}
1540
1541	<	//---- Tests if handler is set to null
1542	<	public void testNullPointerException7() {
1543	<	try{
1544	<	RejectedExecutionHandler r = null;
1545	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1546	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1541	>	/**
1542	>	* invokeAll(c) throws NPE if c has null elements
1543	>	*/
1544	>	public void testInvokeAll3() throws Exception {
1545	>	ExecutorService e =
1546	>	new ThreadPoolExecutor(2, 2,
1547	>	LONG_DELAY_MS, MILLISECONDS,
1548	>	new ArrayBlockingQueue<Runnable>(10));
1549	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1550	>	l.add(new StringTask());
1551	>	l.add(null);
1552	>	try {
1553	>	e.invokeAll(l);
1554	>	shouldThrow();
1555	>	} catch (NullPointerException success) {
1556	>	} finally {
1557	>	joinPool(e);
1558		}
515	–	catch (NullPointerException n7){}
1559		}
1560
1561	<	//---- Tests if ThradFactory is set top null
1562	<	public void testNullPointerException8() {
1563	<	try{
1564	<	ThreadFactory f = null;
1565	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1566	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1561	>	/**
1562	>	* get of element of invokeAll(c) throws exception on failed task
1563	>	*/
1564	>	public void testInvokeAll4() throws Exception {
1565	>	ExecutorService e =
1566	>	new ThreadPoolExecutor(2, 2,
1567	>	LONG_DELAY_MS, MILLISECONDS,
1568	>	new ArrayBlockingQueue<Runnable>(10));
1569	>	try {
1570	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1571	>	l.add(new NPETask());
1572	>	List<Future<String>> futures = e.invokeAll(l);
1573	>	assertEquals(1, futures.size());
1574	>	try {
1575	>	futures.get(0).get();
1576	>	shouldThrow();
1577	>	} catch (ExecutionException success) {
1578	>	assertTrue(success.getCause() instanceof NullPointerException);
1579	>	}
1580	>	} finally {
1581	>	joinPool(e);
1582		}
525	–	catch (NullPointerException n8){}
1583		}
527	–
1584
1585		/**
1586	<	*  Test to verify execute will throw RejectedExcutionException
531	<	*  ThreadPoolExecutor will throw one when more runnables are
532	<	*  executed then will fit in the Queue.
1586	>	* invokeAll(c) returns results of all completed tasks
1587		*/
1588	<	public void testRejectedExecutedException(){
1589	<	ThreadPoolExecutor tpe = null;
1590	<	try{
1591	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1592	<	} catch(Exception e){}
1593	<	tpe.shutdown();
1594	<	try{
1595	<	tpe.execute(new Runnable(){
1596	<	public void run(){
1597	<	try{
1598	<	Thread.sleep(1000);
1599	<	} catch(InterruptedException e){}
1600	<	}
1601	<	});
1602	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1603	<	} catch(RejectedExecutionException success){}
550	<
551	<
1588	>	public void testInvokeAll5() throws Exception {
1589	>	ExecutorService e =
1590	>	new ThreadPoolExecutor(2, 2,
1591	>	LONG_DELAY_MS, MILLISECONDS,
1592	>	new ArrayBlockingQueue<Runnable>(10));
1593	>	try {
1594	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1595	>	l.add(new StringTask());
1596	>	l.add(new StringTask());
1597	>	List<Future<String>> futures = e.invokeAll(l);
1598	>	assertEquals(2, futures.size());
1599	>	for (Future<String> future : futures)
1600	>	assertSame(TEST_STRING, future.get());
1601	>	} finally {
1602	>	joinPool(e);
1603	>	}
1604		}
1605	<
1605	>
1606		/**
1607	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	<	*  when given a negative
1607	>	* timed invokeAny(null) throws NPE
1608		*/
1609	<	public void testIllegalArgumentException1(){
1610	<	ThreadPoolExecutor tpe = null;
1611	<	try{
1612	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1613	<	} catch(Exception e){}
1614	<	try{
1615	<	tpe.setCorePoolSize(-1);
1616	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1617	<	} catch(IllegalArgumentException success){
1609	>	public void testTimedInvokeAny1() throws Exception {
1610	>	ExecutorService e =
1611	>	new ThreadPoolExecutor(2, 2,
1612	>	LONG_DELAY_MS, MILLISECONDS,
1613	>	new ArrayBlockingQueue<Runnable>(10));
1614	>	try {
1615	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1616	>	shouldThrow();
1617	>	} catch (NullPointerException success) {
1618		} finally {
1619	<	tpe.shutdown();
1619	>	joinPool(e);
1620		}
1621	<	}
1621	>	}
1622
572	–
1623		/**
1624	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1625	<	*  if given a value less the it's actual core pool size
1626	<	*/
1627	<	public void testIllegalArgumentException2(){
1628	<	ThreadPoolExecutor tpe = null;
1629	<	try{
1630	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1631	<	} catch(Exception e){}
1632	<	try{
1633	<	tpe.setMaximumPoolSize(1);
1634	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1635	<	} catch(IllegalArgumentException success){
1624	>	* timed invokeAny(,,null) throws NPE
1625	>	*/
1626	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1627	>	ExecutorService e =
1628	>	new ThreadPoolExecutor(2, 2,
1629	>	LONG_DELAY_MS, MILLISECONDS,
1630	>	new ArrayBlockingQueue<Runnable>(10));
1631	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1632	>	l.add(new StringTask());
1633	>	try {
1634	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1635	>	shouldThrow();
1636	>	} catch (NullPointerException success) {
1637		} finally {
1638	<	tpe.shutdown();
1638	>	joinPool(e);
1639		}
1640		}
1641	<
1641	>
1642		/**
1643	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	<	*  if given a negative number
1643	>	* timed invokeAny(empty collection) throws IAE
1644		*/
1645	<	public void testIllegalArgumentException2SP(){
1646	<	ThreadPoolExecutor tpe = null;
1647	<	try{
1648	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1649	<	} catch(Exception e){}
1650	<	try{
1651	<	tpe.setMaximumPoolSize(-1);
1652	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1653	<	} catch(IllegalArgumentException success){
1645	>	public void testTimedInvokeAny2() throws Exception {
1646	>	ExecutorService e =
1647	>	new ThreadPoolExecutor(2, 2,
1648	>	LONG_DELAY_MS, MILLISECONDS,
1649	>	new ArrayBlockingQueue<Runnable>(10));
1650	>	try {
1651	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1652	>	shouldThrow();
1653	>	} catch (IllegalArgumentException success) {
1654		} finally {
1655	<	tpe.shutdown();
1655	>	joinPool(e);
1656		}
1657		}
608	–
1658
1659		/**
1660	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	<	*  when given a negative value
1660	>	* timed invokeAny(c) throws NPE if c has null elements
1661		*/
1662	<	public void testIllegalArgumentException3(){
1663	<	ThreadPoolExecutor tpe = null;
1664	<	try{
1665	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1666	<	} catch(Exception e){}
1667	<
1668	<	try{
1669	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1670	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1671	<	} catch(IllegalArgumentException success){
1662	>	public void testTimedInvokeAny3() throws Exception {
1663	>	final CountDownLatch latch = new CountDownLatch(1);
1664	>	final ExecutorService e =
1665	>	new ThreadPoolExecutor(2, 2,
1666	>	LONG_DELAY_MS, MILLISECONDS,
1667	>	new ArrayBlockingQueue<Runnable>(10));
1668	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1669	>	l.add(latchAwaitingStringTask(latch));
1670	>	l.add(null);
1671	>	try {
1672	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1673	>	shouldThrow();
1674	>	} catch (NullPointerException success) {
1675		} finally {
1676	<	tpe.shutdown();
1676	>	latch.countDown();
1677	>	joinPool(e);
1678		}
1679		}
1680	<
1681	<
1682	<
1680	>
1681	>	/**
1682	>	* timed invokeAny(c) throws ExecutionException if no task completes
1683	>	*/
1684	>	public void testTimedInvokeAny4() throws Exception {
1685	>	ExecutorService e =
1686	>	new ThreadPoolExecutor(2, 2,
1687	>	LONG_DELAY_MS, MILLISECONDS,
1688	>	new ArrayBlockingQueue<Runnable>(10));
1689	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1690	>	l.add(new NPETask());
1691	>	try {
1692	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1693	>	shouldThrow();
1694	>	} catch (ExecutionException success) {
1695	>	assertTrue(success.getCause() instanceof NullPointerException);
1696	>	} finally {
1697	>	joinPool(e);
1698	>	}
1699	>	}
1700	>
1701	>	/**
1702	>	* timed invokeAny(c) returns result of some task
1703	>	*/
1704	>	public void testTimedInvokeAny5() throws Exception {
1705	>	ExecutorService e =
1706	>	new ThreadPoolExecutor(2, 2,
1707	>	LONG_DELAY_MS, MILLISECONDS,
1708	>	new ArrayBlockingQueue<Runnable>(10));
1709	>	try {
1710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1711	>	l.add(new StringTask());
1712	>	l.add(new StringTask());
1713	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1714	>	assertSame(TEST_STRING, result);
1715	>	} finally {
1716	>	joinPool(e);
1717	>	}
1718	>	}
1719	>
1720	>	/**
1721	>	* timed invokeAll(null) throws NPE
1722	>	*/
1723	>	public void testTimedInvokeAll1() throws Exception {
1724	>	ExecutorService e =
1725	>	new ThreadPoolExecutor(2, 2,
1726	>	LONG_DELAY_MS, MILLISECONDS,
1727	>	new ArrayBlockingQueue<Runnable>(10));
1728	>	try {
1729	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1730	>	shouldThrow();
1731	>	} catch (NullPointerException success) {
1732	>	} finally {
1733	>	joinPool(e);
1734	>	}
1735	>	}
1736	>
1737	>	/**
1738	>	* timed invokeAll(,,null) throws NPE
1739	>	*/
1740	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1741	>	ExecutorService e =
1742	>	new ThreadPoolExecutor(2, 2,
1743	>	LONG_DELAY_MS, MILLISECONDS,
1744	>	new ArrayBlockingQueue<Runnable>(10));
1745	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1746	>	l.add(new StringTask());
1747	>	try {
1748	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1749	>	shouldThrow();
1750	>	} catch (NullPointerException success) {
1751	>	} finally {
1752	>	joinPool(e);
1753	>	}
1754	>	}
1755	>
1756	>	/**
1757	>	* timed invokeAll(empty collection) returns empty collection
1758	>	*/
1759	>	public void testTimedInvokeAll2() throws InterruptedException {
1760	>	ExecutorService e =
1761	>	new ThreadPoolExecutor(2, 2,
1762	>	LONG_DELAY_MS, MILLISECONDS,
1763	>	new ArrayBlockingQueue<Runnable>(10));
1764	>	try {
1765	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1766	>	assertTrue(r.isEmpty());
1767	>	} finally {
1768	>	joinPool(e);
1769	>	}
1770	>	}
1771	>
1772	>	/**
1773	>	* timed invokeAll(c) throws NPE if c has null elements
1774	>	*/
1775	>	public void testTimedInvokeAll3() throws Exception {
1776	>	ExecutorService e =
1777	>	new ThreadPoolExecutor(2, 2,
1778	>	LONG_DELAY_MS, MILLISECONDS,
1779	>	new ArrayBlockingQueue<Runnable>(10));
1780	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1781	>	l.add(new StringTask());
1782	>	l.add(null);
1783	>	try {
1784	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1785	>	shouldThrow();
1786	>	} catch (NullPointerException success) {
1787	>	} finally {
1788	>	joinPool(e);
1789	>	}
1790	>	}
1791	>
1792	>	/**
1793	>	* get of element of invokeAll(c) throws exception on failed task
1794	>	*/
1795	>	public void testTimedInvokeAll4() throws Exception {
1796	>	ExecutorService e =
1797	>	new ThreadPoolExecutor(2, 2,
1798	>	LONG_DELAY_MS, MILLISECONDS,
1799	>	new ArrayBlockingQueue<Runnable>(10));
1800	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1801	>	l.add(new NPETask());
1802	>	List<Future<String>> futures =
1803	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1804	>	assertEquals(1, futures.size());
1805	>	try {
1806	>	futures.get(0).get();
1807	>	shouldThrow();
1808	>	} catch (ExecutionException success) {
1809	>	assertTrue(success.getCause() instanceof NullPointerException);
1810	>	} finally {
1811	>	joinPool(e);
1812	>	}
1813	>	}
1814	>
1815	>	/**
1816	>	* timed invokeAll(c) returns results of all completed tasks
1817	>	*/
1818	>	public void testTimedInvokeAll5() throws Exception {
1819	>	ExecutorService e =
1820	>	new ThreadPoolExecutor(2, 2,
1821	>	LONG_DELAY_MS, MILLISECONDS,
1822	>	new ArrayBlockingQueue<Runnable>(10));
1823	>	try {
1824	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1825	>	l.add(new StringTask());
1826	>	l.add(new StringTask());
1827	>	List<Future<String>> futures =
1828	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1829	>	assertEquals(2, futures.size());
1830	>	for (Future<String> future : futures)
1831	>	assertSame(TEST_STRING, future.get());
1832	>	} finally {
1833	>	joinPool(e);
1834	>	}
1835	>	}
1836	>
1837	>	/**
1838	>	* timed invokeAll(c) cancels tasks not completed by timeout
1839	>	*/
1840	>	public void testTimedInvokeAll6() throws Exception {
1841	>	ExecutorService e =
1842	>	new ThreadPoolExecutor(2, 2,
1843	>	LONG_DELAY_MS, MILLISECONDS,
1844	>	new ArrayBlockingQueue<Runnable>(10));
1845	>	try {
1846	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1847	>	l.add(new StringTask());
1848	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1849	>	l.add(new StringTask());
1850	>	List<Future<String>> futures =
1851	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1852	>	assertEquals(l.size(), futures.size());
1853	>	for (Future future : futures)
1854	>	assertTrue(future.isDone());
1855	>	assertFalse(futures.get(0).isCancelled());
1856	>	assertTrue(futures.get(1).isCancelled());
1857	>	} finally {
1858	>	joinPool(e);
1859	>	}
1860	>	}
1861	>
1862	>	/**
1863	>	* Execution continues if there is at least one thread even if
1864	>	* thread factory fails to create more
1865	>	*/
1866	>	public void testFailingThreadFactory() throws InterruptedException {
1867	>	final ExecutorService e =
1868	>	new ThreadPoolExecutor(100, 100,
1869	>	LONG_DELAY_MS, MILLISECONDS,
1870	>	new LinkedBlockingQueue<Runnable>(),
1871	>	new FailingThreadFactory());
1872	>	try {
1873	>	final int TASKS = 100;
1874	>	final CountDownLatch done = new CountDownLatch(TASKS);
1875	>	for (int k = 0; k < TASKS; ++k)
1876	>	e.execute(new CheckedRunnable() {
1877	>	public void realRun() {
1878	>	done.countDown();
1879	>	}});
1880	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1881	>	} finally {
1882	>	joinPool(e);
1883	>	}
1884	>	}
1885	>
1886	>	/**
1887	>	* allowsCoreThreadTimeOut is by default false.
1888	>	*/
1889	>	public void testAllowsCoreThreadTimeOut() {
1890	>	final ThreadPoolExecutor p =
1891	>	new ThreadPoolExecutor(2, 2,
1892	>	1000, MILLISECONDS,
1893	>	new ArrayBlockingQueue<Runnable>(10));
1894	>	assertFalse(p.allowsCoreThreadTimeOut());
1895	>	joinPool(p);
1896	>	}
1897	>
1898	>	/**
1899	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1900	>	*/
1901	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1902	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1903	>	final ThreadPoolExecutor p =
1904	>	new ThreadPoolExecutor(2, 10,
1905	>	coreThreadTimeOut, MILLISECONDS,
1906	>	new ArrayBlockingQueue<Runnable>(10));
1907	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1908	>	try {
1909	>	p.allowCoreThreadTimeOut(true);
1910	>	p.execute(new CheckedRunnable() {
1911	>	public void realRun() {
1912	>	threadStarted.countDown();
1913	>	assertEquals(1, p.getPoolSize());
1914	>	}});
1915	>	await(threadStarted);
1916	>	delay(coreThreadTimeOut);
1917	>	long startTime = System.nanoTime();
1918	>	while (p.getPoolSize() > 0
1919	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1920	>	Thread.yield();
1921	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1922	>	assertEquals(0, p.getPoolSize());
1923	>	} finally {
1924	>	joinPool(p);
1925	>	}
1926	>	}
1927	>
1928	>	/**
1929	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1930	>	*/
1931	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1932	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1933	>	final ThreadPoolExecutor p =
1934	>	new ThreadPoolExecutor(2, 10,
1935	>	coreThreadTimeOut, 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	>	delay(2 * coreThreadTimeOut);
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	>	joinPool(p);
1980	>	}
1981	>	}
1982	>
1983		}

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