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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.46 by jsr166, Sun May 29 13:55:36 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
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	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
25	>	final CountDownLatch afterCalled = new CountDownLatch(1);
26	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
27	>
28	>	public ExtendedTPE() {
29	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
30	>	}
31	>	protected void beforeExecute(Thread t, Runnable r) {
32	>	beforeCalled.countDown();
33	>	}
34	>	protected void afterExecute(Runnable r, Throwable t) {
35	>	afterCalled.countDown();
36	>	}
37	>	protected void terminated() {
38	>	terminatedCalled.countDown();
39	>	}
40	>
41	>	public boolean beforeCalled() {
42	>	return beforeCalled.getCount() == 0;
43	>	}
44	>	public boolean afterCalled() {
45	>	return afterCalled.getCount() == 0;
46	>	}
47	>	public boolean terminatedCalled() {
48	>	return terminatedCalled.getCount() == 0;
49	>	}
50	>	}
51	>
52	>	static class FailingThreadFactory implements ThreadFactory {
53	>	int calls = 0;
54	>	public Thread newThread(Runnable r) {
55	>	if (++calls > 1) return null;
56	>	return new Thread(r);
57	>	}
58	>	}
59	>
60		/**
61	<	* For use as ThreadFactory in constructors
61	>	* execute successfully executes a runnable
62		*/
63	<	static class MyThreadFactory implements ThreadFactory{
64	<	public Thread newThread(Runnable r){
65	<	return new Thread(r);
66	<	}
63	>	public void testExecute() throws InterruptedException {
64	>	final ThreadPoolExecutor p =
65	>	new ThreadPoolExecutor(1, 1,
66	>	LONG_DELAY_MS, MILLISECONDS,
67	>	new ArrayBlockingQueue<Runnable>(10));
68	>	final CountDownLatch done = new CountDownLatch(1);
69	>	final Runnable task = new CheckedRunnable() {
70	>	public void realRun() {
71	>	done.countDown();
72	>	}};
73	>	try {
74	>	p.execute(task);
75	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
76	>	} finally {
77	>	joinPool(p);
78	>	}
79	>	}
80	>
81	>	/**
82	>	* getActiveCount increases but doesn't overestimate, when a
83	>	* thread becomes active
84	>	*/
85	>	public void testGetActiveCount() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(2, 2,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch threadStarted = new CountDownLatch(1);
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	try {
93	>	assertEquals(0, p.getActiveCount());
94	>	p.execute(new CheckedRunnable() {
95	>	public void realRun() throws InterruptedException {
96	>	threadStarted.countDown();
97	>	assertEquals(1, p.getActiveCount());
98	>	done.await();
99	>	}});
100	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
101	>	assertEquals(1, p.getActiveCount());
102	>	} finally {
103	>	done.countDown();
104	>	joinPool(p);
105	>	}
106	>	}
107	>
108	>	/**
109	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
110	>	*/
111	>	public void testPrestartCoreThread() {
112	>	final ThreadPoolExecutor p =
113	>	new ThreadPoolExecutor(2, 2,
114	>	LONG_DELAY_MS, MILLISECONDS,
115	>	new ArrayBlockingQueue<Runnable>(10));
116	>	assertEquals(0, p.getPoolSize());
117	>	assertTrue(p.prestartCoreThread());
118	>	assertEquals(1, p.getPoolSize());
119	>	assertTrue(p.prestartCoreThread());
120	>	assertEquals(2, p.getPoolSize());
121	>	assertFalse(p.prestartCoreThread());
122	>	assertEquals(2, p.getPoolSize());
123	>	joinPool(p);
124	>	}
125	>
126	>	/**
127	>	* prestartAllCoreThreads starts all corePoolSize threads
128	>	*/
129	>	public void testPrestartAllCoreThreads() {
130	>	final ThreadPoolExecutor p =
131	>	new ThreadPoolExecutor(2, 2,
132	>	LONG_DELAY_MS, MILLISECONDS,
133	>	new ArrayBlockingQueue<Runnable>(10));
134	>	assertEquals(0, p.getPoolSize());
135	>	p.prestartAllCoreThreads();
136	>	assertEquals(2, p.getPoolSize());
137	>	p.prestartAllCoreThreads();
138	>	assertEquals(2, p.getPoolSize());
139	>	joinPool(p);
140	>	}
141	>
142	>	/**
143	>	* getCompletedTaskCount increases, but doesn't overestimate,
144	>	* when tasks complete
145	>	*/
146	>	public void testGetCompletedTaskCount() throws InterruptedException {
147	>	final ThreadPoolExecutor p =
148	>	new ThreadPoolExecutor(2, 2,
149	>	LONG_DELAY_MS, MILLISECONDS,
150	>	new ArrayBlockingQueue<Runnable>(10));
151	>	final CountDownLatch threadStarted = new CountDownLatch(1);
152	>	final CountDownLatch threadProceed = new CountDownLatch(1);
153	>	final CountDownLatch threadDone = new CountDownLatch(1);
154	>	try {
155	>	assertEquals(0, p.getCompletedTaskCount());
156	>	p.execute(new CheckedRunnable() {
157	>	public void realRun() throws InterruptedException {
158	>	threadStarted.countDown();
159	>	assertEquals(0, p.getCompletedTaskCount());
160	>	threadProceed.await();
161	>	threadDone.countDown();
162	>	}});
163	>	await(threadStarted);
164	>	assertEquals(0, p.getCompletedTaskCount());
165	>	threadProceed.countDown();
166	>	threadDone.await();
167	>	long startTime = System.nanoTime();
168	>	while (p.getCompletedTaskCount() != 1) {
169	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
170	>	fail("timed out");
171	>	Thread.yield();
172	>	}
173	>	} finally {
174	>	joinPool(p);
175	>	}
176	>	}
177	>
178	>	/**
179	>	* getCorePoolSize returns size given in constructor if not otherwise set
180	>	*/
181	>	public void testGetCorePoolSize() {
182	>	final ThreadPoolExecutor p =
183	>	new ThreadPoolExecutor(1, 1,
184	>	LONG_DELAY_MS, MILLISECONDS,
185	>	new ArrayBlockingQueue<Runnable>(10));
186	>	assertEquals(1, p.getCorePoolSize());
187	>	joinPool(p);
188	>	}
189	>
190	>	/**
191	>	* getKeepAliveTime returns value given in constructor if not otherwise set
192	>	*/
193	>	public void testGetKeepAliveTime() {
194	>	final ThreadPoolExecutor p =
195	>	new ThreadPoolExecutor(2, 2,
196	>	1000, MILLISECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10));
198	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
199	>	joinPool(p);
200	>	}
201	>
202	>	/**
203	>	* getThreadFactory returns factory in constructor if not set
204	>	*/
205	>	public void testGetThreadFactory() {
206	>	ThreadFactory tf = new SimpleThreadFactory();
207	>	final ThreadPoolExecutor p =
208	>	new ThreadPoolExecutor(1, 2,
209	>	LONG_DELAY_MS, MILLISECONDS,
210	>	new ArrayBlockingQueue<Runnable>(10),
211	>	tf,
212	>	new NoOpREHandler());
213	>	assertSame(tf, p.getThreadFactory());
214	>	joinPool(p);
215		}
216
217		/**
218	<	* For use as RejectedExecutionHandler in constructors
218	>	* setThreadFactory sets the thread factory returned by getThreadFactory
219		*/
220	<	static class MyREHandler implements RejectedExecutionHandler{
221	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
220	>	public void testSetThreadFactory() {
221	>	final ThreadPoolExecutor p =
222	>	new ThreadPoolExecutor(1, 2,
223	>	LONG_DELAY_MS, MILLISECONDS,
224	>	new ArrayBlockingQueue<Runnable>(10));
225	>	ThreadFactory tf = new SimpleThreadFactory();
226	>	p.setThreadFactory(tf);
227	>	assertSame(tf, p.getThreadFactory());
228	>	joinPool(p);
229		}
230	<
230	>
231		/**
232	<	*   execute successfully executes a runnable
232	>	* setThreadFactory(null) throws NPE
233		*/
234	<	public void testExecute(){
235	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
234	>	public void testSetThreadFactoryNull() {
235	>	final ThreadPoolExecutor p =
236	>	new ThreadPoolExecutor(1, 2,
237	>	LONG_DELAY_MS, MILLISECONDS,
238	>	new ArrayBlockingQueue<Runnable>(10));
239		try {
240	<	one.execute(new Runnable(){
241	<	public void run(){
242	<	try{
243	<	Thread.sleep(SHORT_DELAY_MS);
244	<	} catch(InterruptedException e){
245	<	fail("unexpected exception");
246	<	}
247	<	}
248	<	});
249	<	Thread.sleep(SMALL_DELAY_MS);
250	<	} catch(InterruptedException e){
251	<	fail("unexpected exception");
252	<	}
253	<	joinPool(one);
240	>	p.setThreadFactory(null);
241	>	shouldThrow();
242	>	} catch (NullPointerException success) {
243	>	} finally {
244	>	joinPool(p);
245	>	}
246	>	}
247	>
248	>	/**
249	>	* getRejectedExecutionHandler returns handler in constructor if not set
250	>	*/
251	>	public void testGetRejectedExecutionHandler() {
252	>	final RejectedExecutionHandler h = new NoOpREHandler();
253	>	final ThreadPoolExecutor p =
254	>	new ThreadPoolExecutor(1, 2,
255	>	LONG_DELAY_MS, MILLISECONDS,
256	>	new ArrayBlockingQueue<Runnable>(10),
257	>	h);
258	>	assertSame(h, p.getRejectedExecutionHandler());
259	>	joinPool(p);
260	>	}
261	>
262	>	/**
263	>	* setRejectedExecutionHandler sets the handler returned by
264	>	* getRejectedExecutionHandler
265	>	*/
266	>	public void testSetRejectedExecutionHandler() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	RejectedExecutionHandler h = new NoOpREHandler();
272	>	p.setRejectedExecutionHandler(h);
273	>	assertSame(h, p.getRejectedExecutionHandler());
274	>	joinPool(p);
275		}
276
277		/**
278	<	*   getActiveCount gives correct values
278	>	* setRejectedExecutionHandler(null) throws NPE
279		*/
280	<	public void testGetActiveCount(){
281	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
282	<	assertEquals(0, two.getActiveCount());
283	<	two.execute(new MediumRunnable());
284	<	try{
285	<	Thread.sleep(SHORT_DELAY_MS);
286	<	} catch(Exception e){
287	<	fail("unexpected exception");
280	>	public void testSetRejectedExecutionHandlerNull() {
281	>	final ThreadPoolExecutor p =
282	>	new ThreadPoolExecutor(1, 2,
283	>	LONG_DELAY_MS, MILLISECONDS,
284	>	new ArrayBlockingQueue<Runnable>(10));
285	>	try {
286	>	p.setRejectedExecutionHandler(null);
287	>	shouldThrow();
288	>	} catch (NullPointerException success) {
289	>	} finally {
290	>	joinPool(p);
291		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
292		}
293	<
293	>
294		/**
295	<	*   getCompleteTaskCount gives correct values
295	>	* getLargestPoolSize increases, but doesn't overestimate, when
296	>	* multiple threads active
297		*/
298	<	public void testGetCompletedTaskCount(){
299	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	assertEquals(0, two.getCompletedTaskCount());
301	<	two.execute(new ShortRunnable());
302	<	try{
303	<	Thread.sleep(MEDIUM_DELAY_MS);
304	<	} catch(Exception e){
305	<	fail("unexpected exception");
298	>	public void testGetLargestPoolSize() throws InterruptedException {
299	>	final int THREADS = 3;
300	>	final ThreadPoolExecutor p =
301	>	new ThreadPoolExecutor(THREADS, THREADS,
302	>	LONG_DELAY_MS, MILLISECONDS,
303	>	new ArrayBlockingQueue<Runnable>(10));
304	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
305	>	final CountDownLatch done = new CountDownLatch(1);
306	>	try {
307	>	assertEquals(0, p.getLargestPoolSize());
308	>	for (int i = 0; i < THREADS; i++)
309	>	p.execute(new CheckedRunnable() {
310	>	public void realRun() throws InterruptedException {
311	>	threadsStarted.countDown();
312	>	done.await();
313	>	assertEquals(THREADS, p.getLargestPoolSize());
314	>	}});
315	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
316	>	assertEquals(THREADS, p.getLargestPoolSize());
317	>	} finally {
318	>	done.countDown();
319	>	joinPool(p);
320	>	assertEquals(THREADS, p.getLargestPoolSize());
321		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
322		}
323	<
323	>
324		/**
325	<	*   getCorePoolSize gives correct values
325	>	* getMaximumPoolSize returns value given in constructor if not
326	>	* otherwise set
327		*/
328	<	public void testGetCorePoolSize(){
329	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
330	<	assertEquals(1, one.getCorePoolSize());
331	<	joinPool(one);
328	>	public void testGetMaximumPoolSize() {
329	>	final ThreadPoolExecutor p =
330	>	new ThreadPoolExecutor(2, 3,
331	>	LONG_DELAY_MS, MILLISECONDS,
332	>	new ArrayBlockingQueue<Runnable>(10));
333	>	assertEquals(3, p.getMaximumPoolSize());
334	>	joinPool(p);
335		}
336	<
336	>
337		/**
338	<	*   getKeepAliveTime gives correct values
338	>	* getPoolSize increases, but doesn't overestimate, when threads
339	>	* become active
340		*/
341	<	public void testGetKeepAliveTime(){
342	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
343	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
344	<	joinPool(two);
341	>	public void testGetPoolSize() throws InterruptedException {
342	>	final ThreadPoolExecutor p =
343	>	new ThreadPoolExecutor(1, 1,
344	>	LONG_DELAY_MS, MILLISECONDS,
345	>	new ArrayBlockingQueue<Runnable>(10));
346	>	final CountDownLatch threadStarted = new CountDownLatch(1);
347	>	final CountDownLatch done = new CountDownLatch(1);
348	>	try {
349	>	assertEquals(0, p.getPoolSize());
350	>	p.execute(new CheckedRunnable() {
351	>	public void realRun() throws InterruptedException {
352	>	threadStarted.countDown();
353	>	assertEquals(1, p.getPoolSize());
354	>	done.await();
355	>	}});
356	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
357	>	assertEquals(1, p.getPoolSize());
358	>	} finally {
359	>	done.countDown();
360	>	joinPool(p);
361	>	}
362		}
363	<
363	>
364		/**
365	<	*   getLargestPoolSize gives correct values
365	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
366		*/
367	<	public void testGetLargestPoolSize(){
368	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
367	>	public void testGetTaskCount() throws InterruptedException {
368	>	final ThreadPoolExecutor p =
369	>	new ThreadPoolExecutor(1, 1,
370	>	LONG_DELAY_MS, MILLISECONDS,
371	>	new ArrayBlockingQueue<Runnable>(10));
372	>	final CountDownLatch threadStarted = new CountDownLatch(1);
373	>	final CountDownLatch done = new CountDownLatch(1);
374		try {
375	<	assertEquals(0, two.getLargestPoolSize());
376	<	two.execute(new MediumRunnable());
377	<	two.execute(new MediumRunnable());
378	<	Thread.sleep(SHORT_DELAY_MS);
379	<	assertEquals(2, two.getLargestPoolSize());
380	<	} catch(Exception e){
381	<	fail("unexpected exception");
382	<	}
383	<	joinPool(two);
375	>	assertEquals(0, p.getTaskCount());
376	>	p.execute(new CheckedRunnable() {
377	>	public void realRun() throws InterruptedException {
378	>	threadStarted.countDown();
379	>	assertEquals(1, p.getTaskCount());
380	>	done.await();
381	>	}});
382	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
383	>	assertEquals(1, p.getTaskCount());
384	>	} finally {
385	>	done.countDown();
386	>	joinPool(p);
387	>	}
388		}
389	<
389	>
390		/**
391	<	*   getMaximumPoolSize gives correct values
391	>	* isShutdown is false before shutdown, true after
392		*/
393	<	public void testGetMaximumPoolSize(){
394	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
395	<	assertEquals(2, two.getMaximumPoolSize());
396	<	joinPool(two);
393	>	public void testIsShutdown() {
394	>	final ThreadPoolExecutor p =
395	>	new ThreadPoolExecutor(1, 1,
396	>	LONG_DELAY_MS, MILLISECONDS,
397	>	new ArrayBlockingQueue<Runnable>(10));
398	>	assertFalse(p.isShutdown());
399	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
400	>	assertTrue(p.isShutdown());
401	>	joinPool(p);
402		}
403	<
403	>
404		/**
405	<	*   getPoolSize gives correct values
405	>	* isTerminated is false before termination, true after
406		*/
407	<	public void testGetPoolSize(){
408	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
409	<	assertEquals(0, one.getPoolSize());
410	<	one.execute(new MediumRunnable());
411	<	assertEquals(1, one.getPoolSize());
412	<	joinPool(one);
407	>	public void testIsTerminated() throws InterruptedException {
408	>	final ThreadPoolExecutor p =
409	>	new ThreadPoolExecutor(1, 1,
410	>	LONG_DELAY_MS, MILLISECONDS,
411	>	new ArrayBlockingQueue<Runnable>(10));
412	>	final CountDownLatch threadStarted = new CountDownLatch(1);
413	>	final CountDownLatch done = new CountDownLatch(1);
414	>	assertFalse(p.isTerminated());
415	>	try {
416	>	p.execute(new CheckedRunnable() {
417	>	public void realRun() throws InterruptedException {
418	>	assertFalse(p.isTerminated());
419	>	threadStarted.countDown();
420	>	done.await();
421	>	}});
422	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
423	>	assertFalse(p.isTerminating());
424	>	done.countDown();
425	>	} finally {
426	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
427	>	}
428	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
429	>	assertTrue(p.isTerminated());
430		}
431	<
431	>
432		/**
433	<	*   getTaskCount gives correct values
433	>	* isTerminating is not true when running or when terminated
434		*/
435	<	public void testGetTaskCount(){
436	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
435	>	public void testIsTerminating() throws InterruptedException {
436	>	final ThreadPoolExecutor p =
437	>	new ThreadPoolExecutor(1, 1,
438	>	LONG_DELAY_MS, MILLISECONDS,
439	>	new ArrayBlockingQueue<Runnable>(10));
440	>	final CountDownLatch threadStarted = new CountDownLatch(1);
441	>	final CountDownLatch done = new CountDownLatch(1);
442		try {
443	<	assertEquals(0, one.getTaskCount());
444	<	for(int i = 0; i < 5; i++)
445	<	one.execute(new MediumRunnable());
446	<	Thread.sleep(SHORT_DELAY_MS);
447	<	assertEquals(5, one.getTaskCount());
448	<	} catch(Exception e){
449	<	fail("unexpected exception");
450	<	}
451	<	joinPool(one);
443	>	assertFalse(p.isTerminating());
444	>	p.execute(new CheckedRunnable() {
445	>	public void realRun() throws InterruptedException {
446	>	assertFalse(p.isTerminating());
447	>	threadStarted.countDown();
448	>	done.await();
449	>	}});
450	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
451	>	assertFalse(p.isTerminating());
452	>	done.countDown();
453	>	} finally {
454	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
455	>	}
456	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
457	>	assertTrue(p.isTerminated());
458	>	assertFalse(p.isTerminating());
459		}
460	<
460	>
461		/**
462	<	*   isShutDown gives correct values
462	>	* getQueue returns the work queue, which contains queued tasks
463		*/
464	<	public void testIsShutdown(){
465	<
466	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
467	<	assertFalse(one.isShutdown());
468	<	one.shutdown();
469	<	assertTrue(one.isShutdown());
470	<	joinPool(one);
464	>	public void testGetQueue() throws InterruptedException {
465	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
466	>	final ThreadPoolExecutor p =
467	>	new ThreadPoolExecutor(1, 1,
468	>	LONG_DELAY_MS, MILLISECONDS,
469	>	q);
470	>	final CountDownLatch threadStarted = new CountDownLatch(1);
471	>	final CountDownLatch done = new CountDownLatch(1);
472	>	try {
473	>	FutureTask[] tasks = new FutureTask[5];
474	>	for (int i = 0; i < tasks.length; i++) {
475	>	Callable task = new CheckedCallable<Boolean>() {
476	>	public Boolean realCall() throws InterruptedException {
477	>	threadStarted.countDown();
478	>	assertSame(q, p.getQueue());
479	>	done.await();
480	>	return Boolean.TRUE;
481	>	}};
482	>	tasks[i] = new FutureTask(task);
483	>	p.execute(tasks[i]);
484	>	}
485	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
486	>	assertSame(q, p.getQueue());
487	>	assertFalse(q.contains(tasks[0]));
488	>	assertTrue(q.contains(tasks[tasks.length - 1]));
489	>	assertEquals(tasks.length - 1, q.size());
490	>	} finally {
491	>	done.countDown();
492	>	joinPool(p);
493	>	}
494		}
495
175	–
496		/**
497	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
497	>	* remove(task) removes queued task, and fails to remove active task
498		*/
499	<	public void testIsTerminated(){
500	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
499	>	public void testRemove() throws InterruptedException {
500	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
501	>	final ThreadPoolExecutor p =
502	>	new ThreadPoolExecutor(1, 1,
503	>	LONG_DELAY_MS, MILLISECONDS,
504	>	q);
505	>	Runnable[] tasks = new Runnable[5];
506	>	final CountDownLatch threadStarted = new CountDownLatch(1);
507	>	final CountDownLatch done = new CountDownLatch(1);
508		try {
509	<	one.execute(new MediumRunnable());
509	>	for (int i = 0; i < tasks.length; i++) {
510	>	tasks[i] = new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	threadStarted.countDown();
513	>	done.await();
514	>	}};
515	>	p.execute(tasks[i]);
516	>	}
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.remove(tasks[0]));
519	>	assertTrue(q.contains(tasks[4]));
520	>	assertTrue(q.contains(tasks[3]));
521	>	assertTrue(p.remove(tasks[4]));
522	>	assertFalse(p.remove(tasks[4]));
523	>	assertFalse(q.contains(tasks[4]));
524	>	assertTrue(q.contains(tasks[3]));
525	>	assertTrue(p.remove(tasks[3]));
526	>	assertFalse(q.contains(tasks[3]));
527		} finally {
528	<	one.shutdown();
528	>	done.countDown();
529	>	joinPool(p);
530		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
531		}
532
533		/**
534	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
534	>	* purge removes cancelled tasks from the queue
535		*/
536	<	public void testPurge(){
537	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
538	<	CancellableTask[] tasks = new CancellableTask[5];
539	<	for(int i = 0; i < 5; i++){
540	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
541	<	one.execute(tasks[i]);
536	>	public void testPurge() throws InterruptedException {
537	>	final CountDownLatch threadStarted = new CountDownLatch(1);
538	>	final CountDownLatch done = new CountDownLatch(1);
539	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
540	>	final ThreadPoolExecutor p =
541	>	new ThreadPoolExecutor(1, 1,
542	>	LONG_DELAY_MS, MILLISECONDS,
543	>	q);
544	>	FutureTask[] tasks = new FutureTask[5];
545	>	try {
546	>	for (int i = 0; i < tasks.length; i++) {
547	>	Callable task = new CheckedCallable<Boolean>() {
548	>	public Boolean realCall() throws InterruptedException {
549	>	threadStarted.countDown();
550	>	done.await();
551	>	return Boolean.TRUE;
552	>	}};
553	>	tasks[i] = new FutureTask(task);
554	>	p.execute(tasks[i]);
555	>	}
556	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
557	>	assertEquals(tasks.length, p.getTaskCount());
558	>	assertEquals(tasks.length - 1, q.size());
559	>	assertEquals(1L, p.getActiveCount());
560	>	assertEquals(0L, p.getCompletedTaskCount());
561	>	tasks[4].cancel(true);
562	>	tasks[3].cancel(false);
563	>	p.purge();
564	>	assertEquals(tasks.length - 3, q.size());
565	>	assertEquals(tasks.length - 2, p.getTaskCount());
566	>	p.purge();         // Nothing to do
567	>	assertEquals(tasks.length - 3, q.size());
568	>	assertEquals(tasks.length - 2, p.getTaskCount());
569	>	} finally {
570	>	done.countDown();
571	>	joinPool(p);
572		}
207	–	tasks[4].cancel(true);
208	–	tasks[3].cancel(true);
209	–	one.purge();
210	–	long count = one.getTaskCount();
211	–	assertTrue(count >= 2 && count < 5);
212	–	joinPool(one);
573		}
574
575		/**
576	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
576	>	* shutdownNow returns a list containing tasks that were not run
577		*/
578	<	public void testShutDownNow(){
579	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
578	>	public void testShutdownNow() {
579	>	final ThreadPoolExecutor p =
580	>	new ThreadPoolExecutor(1, 1,
581	>	LONG_DELAY_MS, MILLISECONDS,
582	>	new ArrayBlockingQueue<Runnable>(10));
583		List l;
584		try {
585	<	for(int i = 0; i < 5; i++)
586	<	one.execute(new MediumPossiblyInterruptedRunnable());
585	>	for (int i = 0; i < 5; i++)
586	>	p.execute(new MediumPossiblyInterruptedRunnable());
587		}
588		finally {
589	<	l = one.shutdownNow();
589	>	try {
590	>	l = p.shutdownNow();
591	>	} catch (SecurityException ok) { return; }
592		}
593	<	assertTrue(one.isShutdown());
594	<	assertTrue(l.size() <= 4);
593	>	assertTrue(p.isShutdown());
594	>	assertTrue(l.size() <= 4);
595		}
596
597		// Exception Tests
234	–
598
599	<	/** Throws if corePoolSize argument is less than zero */
599	>	/**
600	>	* Constructor throws if corePoolSize argument is less than zero
601	>	*/
602		public void testConstructor1() {
603	<	try{
604	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
605	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
606	<	}
607	<	catch (IllegalArgumentException success){}
603	>	try {
604	>	new ThreadPoolExecutor(-1, 1,
605	>	LONG_DELAY_MS, MILLISECONDS,
606	>	new ArrayBlockingQueue<Runnable>(10));
607	>	shouldThrow();
608	>	} catch (IllegalArgumentException success) {}
609		}
610	<
611	<	/** Throws if maximumPoolSize is less than zero */
610	>
611	>	/**
612	>	* Constructor throws if maximumPoolSize is less than zero
613	>	*/
614		public void testConstructor2() {
615	<	try{
616	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
617	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
618	<	}
619	<	catch (IllegalArgumentException success){}
615	>	try {
616	>	new ThreadPoolExecutor(1, -1,
617	>	LONG_DELAY_MS, MILLISECONDS,
618	>	new ArrayBlockingQueue<Runnable>(10));
619	>	shouldThrow();
620	>	} catch (IllegalArgumentException success) {}
621		}
622	<
623	<	/** Throws if maximumPoolSize is equal to zero */
622	>
623	>	/**
624	>	* Constructor throws if maximumPoolSize is equal to zero
625	>	*/
626		public void testConstructor3() {
627	<	try{
628	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
629	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
630	<	}
631	<	catch (IllegalArgumentException success){}
627	>	try {
628	>	new ThreadPoolExecutor(1, 0,
629	>	LONG_DELAY_MS, MILLISECONDS,
630	>	new ArrayBlockingQueue<Runnable>(10));
631	>	shouldThrow();
632	>	} catch (IllegalArgumentException success) {}
633		}
634
635	<	/** Throws if keepAliveTime is less than zero */
635	>	/**
636	>	* Constructor throws if keepAliveTime is less than zero
637	>	*/
638		public void testConstructor4() {
639	<	try{
640	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
641	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
642	<	}
643	<	catch (IllegalArgumentException success){}
639	>	try {
640	>	new ThreadPoolExecutor(1, 2,
641	>	-1L, MILLISECONDS,
642	>	new ArrayBlockingQueue<Runnable>(10));
643	>	shouldThrow();
644	>	} catch (IllegalArgumentException success) {}
645		}
646
647	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
647	>	/**
648	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
649	>	*/
650		public void testConstructor5() {
651	<	try{
652	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
653	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
654	<	}
655	<	catch (IllegalArgumentException success){}
651	>	try {
652	>	new ThreadPoolExecutor(2, 1,
653	>	LONG_DELAY_MS, MILLISECONDS,
654	>	new ArrayBlockingQueue<Runnable>(10));
655	>	shouldThrow();
656	>	} catch (IllegalArgumentException success) {}
657		}
658	<
659	<	/** Throws if workQueue is set to null */
660	<	public void testNullPointerException() {
661	<	try{
662	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
663	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
664	<	}
665	<	catch (NullPointerException success){}
658	>
659	>	/**
660	>	* Constructor throws if workQueue is set to null
661	>	*/
662	>	public void testConstructorNullPointerException() {
663	>	try {
664	>	new ThreadPoolExecutor(1, 2,
665	>	LONG_DELAY_MS, MILLISECONDS,
666	>	(BlockingQueue) null);
667	>	shouldThrow();
668	>	} catch (NullPointerException success) {}
669		}
289	–
670
671	<
672	<	/** Throws if corePoolSize argument is less than zero */
671	>	/**
672	>	* Constructor throws if corePoolSize argument is less than zero
673	>	*/
674		public void testConstructor6() {
675	<	try{
676	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
677	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
678	<	} catch (IllegalArgumentException success){}
675	>	try {
676	>	new ThreadPoolExecutor(-1, 1,
677	>	LONG_DELAY_MS, MILLISECONDS,
678	>	new ArrayBlockingQueue<Runnable>(10),
679	>	new SimpleThreadFactory());
680	>	shouldThrow();
681	>	} catch (IllegalArgumentException success) {}
682		}
683	<
684	<	/** Throws if maximumPoolSize is less than zero */
683	>
684	>	/**
685	>	* Constructor throws if maximumPoolSize is less than zero
686	>	*/
687		public void testConstructor7() {
688	<	try{
689	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
690	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
691	<	}
692	<	catch (IllegalArgumentException success){}
688	>	try {
689	>	new ThreadPoolExecutor(1, -1,
690	>	LONG_DELAY_MS, MILLISECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10),
692	>	new SimpleThreadFactory());
693	>	shouldThrow();
694	>	} catch (IllegalArgumentException success) {}
695		}
696
697	<	/** Throws if maximumPoolSize is equal to zero */
697	>	/**
698	>	* Constructor throws if maximumPoolSize is equal to zero
699	>	*/
700		public void testConstructor8() {
701	<	try{
702	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
703	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
704	<	}
705	<	catch (IllegalArgumentException success){}
701	>	try {
702	>	new ThreadPoolExecutor(1, 0,
703	>	LONG_DELAY_MS, MILLISECONDS,
704	>	new ArrayBlockingQueue<Runnable>(10),
705	>	new SimpleThreadFactory());
706	>	shouldThrow();
707	>	} catch (IllegalArgumentException success) {}
708		}
709
710	<	/** Throws if keepAliveTime is less than zero */
710	>	/**
711	>	* Constructor throws if keepAliveTime is less than zero
712	>	*/
713		public void testConstructor9() {
714	<	try{
715	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
716	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
717	<	}
718	<	catch (IllegalArgumentException success){}
714	>	try {
715	>	new ThreadPoolExecutor(1, 2,
716	>	-1L, MILLISECONDS,
717	>	new ArrayBlockingQueue<Runnable>(10),
718	>	new SimpleThreadFactory());
719	>	shouldThrow();
720	>	} catch (IllegalArgumentException success) {}
721		}
722
723	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
723	>	/**
724	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
725	>	*/
726		public void testConstructor10() {
727	<	try{
728	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
729	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
727	>	try {
728	>	new ThreadPoolExecutor(2, 1,
729	>	LONG_DELAY_MS, MILLISECONDS,
730	>	new ArrayBlockingQueue<Runnable>(10),
731	>	new SimpleThreadFactory());
732	>	shouldThrow();
733	>	} catch (IllegalArgumentException success) {}
734	>	}
735	>
736	>	/**
737	>	* Constructor throws if workQueue is set to null
738	>	*/
739	>	public void testConstructorNullPointerException2() {
740	>	try {
741	>	new ThreadPoolExecutor(1, 2,
742	>	LONG_DELAY_MS, MILLISECONDS,
743	>	(BlockingQueue) null,
744	>	new SimpleThreadFactory());
745	>	shouldThrow();
746	>	} catch (NullPointerException success) {}
747	>	}
748	>
749	>	/**
750	>	* Constructor throws if threadFactory is set to null
751	>	*/
752	>	public void testConstructorNullPointerException3() {
753	>	try {
754	>	new ThreadPoolExecutor(1, 2,
755	>	LONG_DELAY_MS, MILLISECONDS,
756	>	new ArrayBlockingQueue<Runnable>(10),
757	>	(ThreadFactory) null);
758	>	shouldThrow();
759	>	} catch (NullPointerException success) {}
760	>	}
761	>
762	>	/**
763	>	* Constructor throws if corePoolSize argument is less than zero
764	>	*/
765	>	public void testConstructor11() {
766	>	try {
767	>	new ThreadPoolExecutor(-1, 1,
768	>	LONG_DELAY_MS, MILLISECONDS,
769	>	new ArrayBlockingQueue<Runnable>(10),
770	>	new NoOpREHandler());
771	>	shouldThrow();
772	>	} catch (IllegalArgumentException success) {}
773	>	}
774	>
775	>	/**
776	>	* Constructor throws if maximumPoolSize is less than zero
777	>	*/
778	>	public void testConstructor12() {
779	>	try {
780	>	new ThreadPoolExecutor(1, -1,
781	>	LONG_DELAY_MS, MILLISECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new NoOpREHandler());
784	>	shouldThrow();
785	>	} catch (IllegalArgumentException success) {}
786	>	}
787	>
788	>	/**
789	>	* Constructor throws if maximumPoolSize is equal to zero
790	>	*/
791	>	public void testConstructor13() {
792	>	try {
793	>	new ThreadPoolExecutor(1, 0,
794	>	LONG_DELAY_MS, MILLISECONDS,
795	>	new ArrayBlockingQueue<Runnable>(10),
796	>	new NoOpREHandler());
797	>	shouldThrow();
798	>	} catch (IllegalArgumentException success) {}
799	>	}
800	>
801	>	/**
802	>	* Constructor throws if keepAliveTime is less than zero
803	>	*/
804	>	public void testConstructor14() {
805	>	try {
806	>	new ThreadPoolExecutor(1, 2,
807	>	-1L, MILLISECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new NoOpREHandler());
810	>	shouldThrow();
811	>	} catch (IllegalArgumentException success) {}
812	>	}
813	>
814	>	/**
815	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
816	>	*/
817	>	public void testConstructor15() {
818	>	try {
819	>	new ThreadPoolExecutor(2, 1,
820	>	LONG_DELAY_MS, MILLISECONDS,
821	>	new ArrayBlockingQueue<Runnable>(10),
822	>	new NoOpREHandler());
823	>	shouldThrow();
824	>	} catch (IllegalArgumentException success) {}
825	>	}
826	>
827	>	/**
828	>	* Constructor throws if workQueue is set to null
829	>	*/
830	>	public void testConstructorNullPointerException4() {
831	>	try {
832	>	new ThreadPoolExecutor(1, 2,
833	>	LONG_DELAY_MS, MILLISECONDS,
834	>	(BlockingQueue) null,
835	>	new NoOpREHandler());
836	>	shouldThrow();
837	>	} catch (NullPointerException success) {}
838	>	}
839	>
840	>	/**
841	>	* Constructor throws if handler is set to null
842	>	*/
843	>	public void testConstructorNullPointerException5() {
844	>	try {
845	>	new ThreadPoolExecutor(1, 2,
846	>	LONG_DELAY_MS, MILLISECONDS,
847	>	new ArrayBlockingQueue<Runnable>(10),
848	>	(RejectedExecutionHandler) null);
849	>	shouldThrow();
850	>	} catch (NullPointerException success) {}
851	>	}
852	>
853	>	/**
854	>	* Constructor throws if corePoolSize argument is less than zero
855	>	*/
856	>	public void testConstructor16() {
857	>	try {
858	>	new ThreadPoolExecutor(-1, 1,
859	>	LONG_DELAY_MS, MILLISECONDS,
860	>	new ArrayBlockingQueue<Runnable>(10),
861	>	new SimpleThreadFactory(),
862	>	new NoOpREHandler());
863	>	shouldThrow();
864	>	} catch (IllegalArgumentException success) {}
865	>	}
866	>
867	>	/**
868	>	* Constructor throws if maximumPoolSize is less than zero
869	>	*/
870	>	public void testConstructor17() {
871	>	try {
872	>	new ThreadPoolExecutor(1, -1,
873	>	LONG_DELAY_MS, MILLISECONDS,
874	>	new ArrayBlockingQueue<Runnable>(10),
875	>	new SimpleThreadFactory(),
876	>	new NoOpREHandler());
877	>	shouldThrow();
878	>	} catch (IllegalArgumentException success) {}
879	>	}
880	>
881	>	/**
882	>	* Constructor throws if maximumPoolSize is equal to zero
883	>	*/
884	>	public void testConstructor18() {
885	>	try {
886	>	new ThreadPoolExecutor(1, 0,
887	>	LONG_DELAY_MS, MILLISECONDS,
888	>	new ArrayBlockingQueue<Runnable>(10),
889	>	new SimpleThreadFactory(),
890	>	new NoOpREHandler());
891	>	shouldThrow();
892	>	} catch (IllegalArgumentException success) {}
893	>	}
894	>
895	>	/**
896	>	* Constructor throws if keepAliveTime is less than zero
897	>	*/
898	>	public void testConstructor19() {
899	>	try {
900	>	new ThreadPoolExecutor(1, 2,
901	>	-1L, MILLISECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	new SimpleThreadFactory(),
904	>	new NoOpREHandler());
905	>	shouldThrow();
906	>	} catch (IllegalArgumentException success) {}
907	>	}
908	>
909	>	/**
910	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
911	>	*/
912	>	public void testConstructor20() {
913	>	try {
914	>	new ThreadPoolExecutor(2, 1,
915	>	LONG_DELAY_MS, MILLISECONDS,
916	>	new ArrayBlockingQueue<Runnable>(10),
917	>	new SimpleThreadFactory(),
918	>	new NoOpREHandler());
919	>	shouldThrow();
920	>	} catch (IllegalArgumentException success) {}
921	>	}
922	>
923	>	/**
924	>	* Constructor throws if workQueue is null
925	>	*/
926	>	public void testConstructorNullPointerException6() {
927	>	try {
928	>	new ThreadPoolExecutor(1, 2,
929	>	LONG_DELAY_MS, MILLISECONDS,
930	>	(BlockingQueue) null,
931	>	new SimpleThreadFactory(),
932	>	new NoOpREHandler());
933	>	shouldThrow();
934	>	} catch (NullPointerException success) {}
935	>	}
936	>
937	>	/**
938	>	* Constructor throws if handler is null
939	>	*/
940	>	public void testConstructorNullPointerException7() {
941	>	try {
942	>	new ThreadPoolExecutor(1, 2,
943	>	LONG_DELAY_MS, MILLISECONDS,
944	>	new ArrayBlockingQueue<Runnable>(10),
945	>	new SimpleThreadFactory(),
946	>	(RejectedExecutionHandler) null);
947	>	shouldThrow();
948	>	} catch (NullPointerException success) {}
949	>	}
950	>
951	>	/**
952	>	* Constructor throws if ThreadFactory is null
953	>	*/
954	>	public void testConstructorNullPointerException8() {
955	>	try {
956	>	new ThreadPoolExecutor(1, 2,
957	>	LONG_DELAY_MS, MILLISECONDS,
958	>	new ArrayBlockingQueue<Runnable>(10),
959	>	(ThreadFactory) null,
960	>	new NoOpREHandler());
961	>	shouldThrow();
962	>	} catch (NullPointerException success) {}
963	>	}
964	>
965	>	/**
966	>	* get of submitted callable throws InterruptedException if interrupted
967	>	*/
968	>	public void testInterruptedSubmit() throws InterruptedException {
969	>	final ThreadPoolExecutor p =
970	>	new ThreadPoolExecutor(1, 1,
971	>	60, TimeUnit.SECONDS,
972	>	new ArrayBlockingQueue<Runnable>(10));
973	>
974	>	final CountDownLatch threadStarted = new CountDownLatch(1);
975	>	final CountDownLatch done = new CountDownLatch(1);
976	>	try {
977	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
978	>	public void realRun() throws Exception {
979	>	Callable task = new CheckedCallable<Boolean>() {
980	>	public Boolean realCall() throws InterruptedException {
981	>	threadStarted.countDown();
982	>	done.await();
983	>	return Boolean.TRUE;
984	>	}};
985	>	p.submit(task).get();
986	>	}});
987	>
988	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
989	>	t.interrupt();
990	>	awaitTermination(t, MEDIUM_DELAY_MS);
991	>	} finally {
992	>	done.countDown();
993	>	joinPool(p);
994		}
333	–	catch (IllegalArgumentException success){}
995		}
996
997	<	/** Throws if workQueue is set to null */
998	<	public void testNullPointerException2() {
999	<	try{
1000	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1001	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
997	>	/**
998	>	* execute throws RejectedExecutionException if saturated.
999	>	*/
1000	>	public void testSaturatedExecute() {
1001	>	ThreadPoolExecutor p =
1002	>	new ThreadPoolExecutor(1, 1,
1003	>	LONG_DELAY_MS, MILLISECONDS,
1004	>	new ArrayBlockingQueue<Runnable>(1));
1005	>	final CountDownLatch done = new CountDownLatch(1);
1006	>	try {
1007	>	Runnable task = new CheckedRunnable() {
1008	>	public void realRun() throws InterruptedException {
1009	>	done.await();
1010	>	}};
1011	>	for (int i = 0; i < 2; ++i)
1012	>	p.execute(task);
1013	>	for (int i = 0; i < 2; ++i) {
1014	>	try {
1015	>	p.execute(task);
1016	>	shouldThrow();
1017	>	} catch (RejectedExecutionException success) {}
1018	>	assertTrue(p.getTaskCount() <= 2);
1019	>	}
1020	>	} finally {
1021	>	done.countDown();
1022	>	joinPool(p);
1023		}
342	–	catch (NullPointerException success){}
1024		}
1025
1026	<	/** Throws if threadFactory is set to null */
1027	<	public void testNullPointerException3() {
1028	<	try{
1029	<	ThreadFactory f = null;
1030	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1031	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1026	>	/**
1027	>	* submit(runnable) throws RejectedExecutionException if saturated.
1028	>	*/
1029	>	public void testSaturatedSubmitRunnable() {
1030	>	ThreadPoolExecutor p =
1031	>	new ThreadPoolExecutor(1, 1,
1032	>	LONG_DELAY_MS, MILLISECONDS,
1033	>	new ArrayBlockingQueue<Runnable>(1));
1034	>	final CountDownLatch done = new CountDownLatch(1);
1035	>	try {
1036	>	Runnable task = new CheckedRunnable() {
1037	>	public void realRun() throws InterruptedException {
1038	>	done.await();
1039	>	}};
1040	>	for (int i = 0; i < 2; ++i)
1041	>	p.submit(task);
1042	>	for (int i = 0; i < 2; ++i) {
1043	>	try {
1044	>	p.execute(task);
1045	>	shouldThrow();
1046	>	} catch (RejectedExecutionException success) {}
1047	>	assertTrue(p.getTaskCount() <= 2);
1048	>	}
1049	>	} finally {
1050	>	done.countDown();
1051	>	joinPool(p);
1052		}
352	–	catch (NullPointerException success){}
1053		}
1054	<
1055	<
1056	<	/** Throws if corePoolSize argument is less than zero */
1057	<	public void testConstructor11() {
1058	<	try{
1059	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1060	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1054	>
1055	>	/**
1056	>	* submit(callable) throws RejectedExecutionException if saturated.
1057	>	*/
1058	>	public void testSaturatedSubmitCallable() {
1059	>	ThreadPoolExecutor p =
1060	>	new ThreadPoolExecutor(1, 1,
1061	>	LONG_DELAY_MS, MILLISECONDS,
1062	>	new ArrayBlockingQueue<Runnable>(1));
1063	>	final CountDownLatch done = new CountDownLatch(1);
1064	>	try {
1065	>	Runnable task = new CheckedRunnable() {
1066	>	public void realRun() throws InterruptedException {
1067	>	done.await();
1068	>	}};
1069	>	for (int i = 0; i < 2; ++i)
1070	>	p.submit(Executors.callable(task));
1071	>	for (int i = 0; i < 2; ++i) {
1072	>	try {
1073	>	p.execute(task);
1074	>	shouldThrow();
1075	>	} catch (RejectedExecutionException success) {}
1076	>	assertTrue(p.getTaskCount() <= 2);
1077	>	}
1078	>	} finally {
1079	>	done.countDown();
1080	>	joinPool(p);
1081		}
362	–	catch (IllegalArgumentException success){}
1082		}
1083
1084	<	/** Throws if maximumPoolSize is less than zero */
1085	<	public void testConstructor12() {
1086	<	try{
1087	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1088	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1084	>	/**
1085	>	* executor using CallerRunsPolicy runs task if saturated.
1086	>	*/
1087	>	public void testSaturatedExecute2() {
1088	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1089	>	final ThreadPoolExecutor p =
1090	>	new ThreadPoolExecutor(1, 1,
1091	>	LONG_DELAY_MS,
1092	>	MILLISECONDS,
1093	>	new ArrayBlockingQueue<Runnable>(1),
1094	>	h);
1095	>	try {
1096	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1097	>	for (int i = 0; i < tasks.length; ++i)
1098	>	tasks[i] = new TrackedNoOpRunnable();
1099	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1100	>	p.execute(mr);
1101	>	for (int i = 0; i < tasks.length; ++i)
1102	>	p.execute(tasks[i]);
1103	>	for (int i = 1; i < tasks.length; ++i)
1104	>	assertTrue(tasks[i].done);
1105	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1106	>	} finally {
1107	>	joinPool(p);
1108		}
371	–	catch (IllegalArgumentException success){}
1109		}
1110
1111	<	/** Throws if maximumPoolSize is equal to zero */
1112	<	public void testConstructor13() {
1113	<	try{
1114	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1115	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1111	>	/**
1112	>	* executor using DiscardPolicy drops task if saturated.
1113	>	*/
1114	>	public void testSaturatedExecute3() {
1115	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1116	>	final ThreadPoolExecutor p =
1117	>	new ThreadPoolExecutor(1, 1,
1118	>	LONG_DELAY_MS, MILLISECONDS,
1119	>	new ArrayBlockingQueue<Runnable>(1),
1120	>	h);
1121	>	try {
1122	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1123	>	for (int i = 0; i < tasks.length; ++i)
1124	>	tasks[i] = new TrackedNoOpRunnable();
1125	>	p.execute(new TrackedLongRunnable());
1126	>	for (TrackedNoOpRunnable task : tasks)
1127	>	p.execute(task);
1128	>	for (TrackedNoOpRunnable task : tasks)
1129	>	assertFalse(task.done);
1130	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1131	>	} finally {
1132	>	joinPool(p);
1133		}
380	–	catch (IllegalArgumentException success){}
1134		}
1135
1136	<	/** Throws if keepAliveTime is less than zero */
1137	<	public void testConstructor14() {
1138	<	try{
1139	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1140	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1136	>	/**
1137	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1138	>	*/
1139	>	public void testSaturatedExecute4() {
1140	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1141	>	final ThreadPoolExecutor p =
1142	>	new ThreadPoolExecutor(1, 1,
1143	>	LONG_DELAY_MS, MILLISECONDS,
1144	>	new ArrayBlockingQueue<Runnable>(1),
1145	>	h);
1146	>	try {
1147	>	p.execute(new TrackedLongRunnable());
1148	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1149	>	p.execute(r2);
1150	>	assertTrue(p.getQueue().contains(r2));
1151	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1152	>	p.execute(r3);
1153	>	assertFalse(p.getQueue().contains(r2));
1154	>	assertTrue(p.getQueue().contains(r3));
1155	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156	>	} finally {
1157	>	joinPool(p);
1158		}
389	–	catch (IllegalArgumentException success){}
1159		}
1160
1161	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1162	<	public void testConstructor15() {
1163	<	try{
1164	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1165	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1161	>	/**
1162	>	* execute throws RejectedExecutionException if shutdown
1163	>	*/
1164	>	public void testRejectedExecutionExceptionOnShutdown() {
1165	>	ThreadPoolExecutor p =
1166	>	new ThreadPoolExecutor(1, 1,
1167	>	LONG_DELAY_MS, MILLISECONDS,
1168	>	new ArrayBlockingQueue<Runnable>(1));
1169	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1170	>	try {
1171	>	p.execute(new NoOpRunnable());
1172	>	shouldThrow();
1173	>	} catch (RejectedExecutionException success) {}
1174	>
1175	>	joinPool(p);
1176	>	}
1177	>
1178	>	/**
1179	>	* execute using CallerRunsPolicy drops task on shutdown
1180	>	*/
1181	>	public void testCallerRunsOnShutdown() {
1182	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1183	>	final ThreadPoolExecutor p =
1184	>	new ThreadPoolExecutor(1, 1,
1185	>	LONG_DELAY_MS, MILLISECONDS,
1186	>	new ArrayBlockingQueue<Runnable>(1), h);
1187	>
1188	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1189	>	try {
1190	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1191	>	p.execute(r);
1192	>	assertFalse(r.done);
1193	>	} finally {
1194	>	joinPool(p);
1195		}
398	–	catch (IllegalArgumentException success){}
1196		}
1197
1198	<	/** Throws if workQueue is set to null */
1199	<	public void testNullPointerException4() {
1200	<	try{
1201	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1202	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1198	>	/**
1199	>	* execute using DiscardPolicy drops task on shutdown
1200	>	*/
1201	>	public void testDiscardOnShutdown() {
1202	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1203	>	ThreadPoolExecutor p =
1204	>	new ThreadPoolExecutor(1, 1,
1205	>	LONG_DELAY_MS, MILLISECONDS,
1206	>	new ArrayBlockingQueue<Runnable>(1),
1207	>	h);
1208	>
1209	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1210	>	try {
1211	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1212	>	p.execute(r);
1213	>	assertFalse(r.done);
1214	>	} finally {
1215	>	joinPool(p);
1216		}
407	–	catch (NullPointerException success){}
1217		}
1218
1219	<	/** Throws if handler is set to null */
1220	<	public void testNullPointerException5() {
1221	<	try{
1222	<	RejectedExecutionHandler r = null;
1223	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1224	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1219	>	/**
1220	>	* execute using DiscardOldestPolicy drops task on shutdown
1221	>	*/
1222	>	public void testDiscardOldestOnShutdown() {
1223	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1224	>	ThreadPoolExecutor p =
1225	>	new ThreadPoolExecutor(1, 1,
1226	>	LONG_DELAY_MS, MILLISECONDS,
1227	>	new ArrayBlockingQueue<Runnable>(1),
1228	>	h);
1229	>
1230	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1231	>	try {
1232	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1233	>	p.execute(r);
1234	>	assertFalse(r.done);
1235	>	} finally {
1236	>	joinPool(p);
1237		}
417	–	catch (NullPointerException success){}
1238		}
1239
1240	<
1241	<	/** Throws if corePoolSize argument is less than zero */
1242	<	public void testConstructor16() {
1243	<	try{
1244	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1245	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1240	>	/**
1241	>	* execute(null) throws NPE
1242	>	*/
1243	>	public void testExecuteNull() {
1244	>	ThreadPoolExecutor p =
1245	>	new ThreadPoolExecutor(1, 2,
1246	>	LONG_DELAY_MS, MILLISECONDS,
1247	>	new ArrayBlockingQueue<Runnable>(10));
1248	>	try {
1249	>	p.execute(null);
1250	>	shouldThrow();
1251	>	} catch (NullPointerException success) {}
1252	>
1253	>	joinPool(p);
1254	>	}
1255	>
1256	>	/**
1257	>	* setCorePoolSize of negative value throws IllegalArgumentException
1258	>	*/
1259	>	public void testCorePoolSizeIllegalArgumentException() {
1260	>	ThreadPoolExecutor p =
1261	>	new ThreadPoolExecutor(1, 2,
1262	>	LONG_DELAY_MS, MILLISECONDS,
1263	>	new ArrayBlockingQueue<Runnable>(10));
1264	>	try {
1265	>	p.setCorePoolSize(-1);
1266	>	shouldThrow();
1267	>	} catch (IllegalArgumentException success) {
1268	>	} finally {
1269	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1270		}
1271	<	catch (IllegalArgumentException success){}
1271	>	joinPool(p);
1272		}
1273
1274	<	/** Throws if maximumPoolSize is less than zero */
1275	<	public void testConstructor17() {
1276	<	try{
1277	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1278	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1274	>	/**
1275	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1276	>	* given a value less the core pool size
1277	>	*/
1278	>	public void testMaximumPoolSizeIllegalArgumentException() {
1279	>	ThreadPoolExecutor p =
1280	>	new ThreadPoolExecutor(2, 3,
1281	>	LONG_DELAY_MS, MILLISECONDS,
1282	>	new ArrayBlockingQueue<Runnable>(10));
1283	>	try {
1284	>	p.setMaximumPoolSize(1);
1285	>	shouldThrow();
1286	>	} catch (IllegalArgumentException success) {
1287	>	} finally {
1288	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1289		}
1290	<	catch (IllegalArgumentException success){}
1290	>	joinPool(p);
1291		}
1292
1293	<	/** Throws if maximumPoolSize is equal to zero */
1294	<	public void testConstructor18() {
1295	<	try{
1296	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1297	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1293	>	/**
1294	>	* setMaximumPoolSize throws IllegalArgumentException
1295	>	* if given a negative value
1296	>	*/
1297	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1298	>	ThreadPoolExecutor p =
1299	>	new ThreadPoolExecutor(2, 3,
1300	>	LONG_DELAY_MS, MILLISECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302	>	try {
1303	>	p.setMaximumPoolSize(-1);
1304	>	shouldThrow();
1305	>	} catch (IllegalArgumentException success) {
1306	>	} finally {
1307	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1308		}
1309	<	catch (IllegalArgumentException success){}
1309	>	joinPool(p);
1310		}
1311
1312	<	/** Throws if keepAliveTime is less than zero */
1313	<	public void testConstructor19() {
1314	<	try{
1315	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1316	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1312	>	/**
1313	>	* setKeepAliveTime throws IllegalArgumentException
1314	>	* when given a negative value
1315	>	*/
1316	>	public void testKeepAliveTimeIllegalArgumentException() {
1317	>	ThreadPoolExecutor p =
1318	>	new ThreadPoolExecutor(2, 3,
1319	>	LONG_DELAY_MS, MILLISECONDS,
1320	>	new ArrayBlockingQueue<Runnable>(10));
1321	>	try {
1322	>	p.setKeepAliveTime(-1,MILLISECONDS);
1323	>	shouldThrow();
1324	>	} catch (IllegalArgumentException success) {
1325	>	} finally {
1326	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1327		}
1328	<	catch (IllegalArgumentException success){}
1328	>	joinPool(p);
1329		}
1330
1331	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1332	<	public void testConstructor20() {
1333	<	try{
1334	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1335	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1331	>	/**
1332	>	* terminated() is called on termination
1333	>	*/
1334	>	public void testTerminated() {
1335	>	ExtendedTPE p = new ExtendedTPE();
1336	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1337	>	assertTrue(p.terminatedCalled());
1338	>	joinPool(p);
1339	>	}
1340	>
1341	>	/**
1342	>	* beforeExecute and afterExecute are called when executing task
1343	>	*/
1344	>	public void testBeforeAfter() throws InterruptedException {
1345	>	ExtendedTPE p = new ExtendedTPE();
1346	>	try {
1347	>	final CountDownLatch done = new CountDownLatch(1);
1348	>	final CheckedRunnable task = new CheckedRunnable() {
1349	>	public void realRun() {
1350	>	done.countDown();
1351	>	}};
1352	>	p.execute(task);
1353	>	await(p.afterCalled);
1354	>	assertEquals(0, done.getCount());
1355	>	assertTrue(p.afterCalled());
1356	>	assertTrue(p.beforeCalled());
1357	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1358	>	} finally {
1359	>	joinPool(p);
1360	>	}
1361	>	}
1362	>
1363	>	/**
1364	>	* completed submit of callable returns result
1365	>	*/
1366	>	public void testSubmitCallable() throws Exception {
1367	>	ExecutorService e =
1368	>	new ThreadPoolExecutor(2, 2,
1369	>	LONG_DELAY_MS, MILLISECONDS,
1370	>	new ArrayBlockingQueue<Runnable>(10));
1371	>	try {
1372	>	Future<String> future = e.submit(new StringTask());
1373	>	String result = future.get();
1374	>	assertSame(TEST_STRING, result);
1375	>	} finally {
1376	>	joinPool(e);
1377	>	}
1378	>	}
1379	>
1380	>	/**
1381	>	* completed submit of runnable returns successfully
1382	>	*/
1383	>	public void testSubmitRunnable() throws Exception {
1384	>	ExecutorService e =
1385	>	new ThreadPoolExecutor(2, 2,
1386	>	LONG_DELAY_MS, MILLISECONDS,
1387	>	new ArrayBlockingQueue<Runnable>(10));
1388	>	try {
1389	>	Future<?> future = e.submit(new NoOpRunnable());
1390	>	future.get();
1391	>	assertTrue(future.isDone());
1392	>	} finally {
1393	>	joinPool(e);
1394	>	}
1395	>	}
1396	>
1397	>	/**
1398	>	* completed submit of (runnable, result) returns result
1399	>	*/
1400	>	public void testSubmitRunnable2() throws Exception {
1401	>	ExecutorService e =
1402	>	new ThreadPoolExecutor(2, 2,
1403	>	LONG_DELAY_MS, MILLISECONDS,
1404	>	new ArrayBlockingQueue<Runnable>(10));
1405	>	try {
1406	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1407	>	String result = future.get();
1408	>	assertSame(TEST_STRING, result);
1409	>	} finally {
1410	>	joinPool(e);
1411	>	}
1412	>	}
1413	>
1414	>	/**
1415	>	* invokeAny(null) throws NPE
1416	>	*/
1417	>	public void testInvokeAny1() throws Exception {
1418	>	ExecutorService e =
1419	>	new ThreadPoolExecutor(2, 2,
1420	>	LONG_DELAY_MS, MILLISECONDS,
1421	>	new ArrayBlockingQueue<Runnable>(10));
1422	>	try {
1423	>	e.invokeAny(null);
1424	>	shouldThrow();
1425	>	} catch (NullPointerException success) {
1426	>	} finally {
1427	>	joinPool(e);
1428		}
463	–	catch (IllegalArgumentException success){}
1429		}
1430
1431	<	/** Throws if workQueue is set to null */
1432	<	public void testNullPointerException6() {
1433	<	try{
1434	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1435	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1431	>	/**
1432	>	* invokeAny(empty collection) throws IAE
1433	>	*/
1434	>	public void testInvokeAny2() throws Exception {
1435	>	ExecutorService e =
1436	>	new ThreadPoolExecutor(2, 2,
1437	>	LONG_DELAY_MS, MILLISECONDS,
1438	>	new ArrayBlockingQueue<Runnable>(10));
1439	>	try {
1440	>	e.invokeAny(new ArrayList<Callable<String>>());
1441	>	shouldThrow();
1442	>	} catch (IllegalArgumentException success) {
1443	>	} finally {
1444	>	joinPool(e);
1445		}
472	–	catch (NullPointerException success){}
1446		}
1447
1448	<	/** Throws if handler is set to null */
1449	<	public void testNullPointerException7() {
1450	<	try{
1451	<	RejectedExecutionHandler r = null;
1452	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1453	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1448	>	/**
1449	>	* invokeAny(c) throws NPE if c has null elements
1450	>	*/
1451	>	public void testInvokeAny3() throws Exception {
1452	>	final CountDownLatch latch = new CountDownLatch(1);
1453	>	final ExecutorService e =
1454	>	new ThreadPoolExecutor(2, 2,
1455	>	LONG_DELAY_MS, MILLISECONDS,
1456	>	new ArrayBlockingQueue<Runnable>(10));
1457	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1458	>	l.add(latchAwaitingStringTask(latch));
1459	>	l.add(null);
1460	>	try {
1461	>	e.invokeAny(l);
1462	>	shouldThrow();
1463	>	} catch (NullPointerException success) {
1464	>	} finally {
1465	>	latch.countDown();
1466	>	joinPool(e);
1467		}
482	–	catch (NullPointerException success){}
1468		}
1469
1470	<	/** Throws if ThreadFactory is set top null */
1471	<	public void testNullPointerException8() {
1472	<	try{
1473	<	ThreadFactory f = null;
1474	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1475	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1470	>	/**
1471	>	* invokeAny(c) throws ExecutionException if no task completes
1472	>	*/
1473	>	public void testInvokeAny4() throws Exception {
1474	>	ExecutorService e =
1475	>	new ThreadPoolExecutor(2, 2,
1476	>	LONG_DELAY_MS, MILLISECONDS,
1477	>	new ArrayBlockingQueue<Runnable>(10));
1478	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1479	>	l.add(new NPETask());
1480	>	try {
1481	>	e.invokeAny(l);
1482	>	shouldThrow();
1483	>	} catch (ExecutionException success) {
1484	>	assertTrue(success.getCause() instanceof NullPointerException);
1485	>	} finally {
1486	>	joinPool(e);
1487		}
492	–	catch (NullPointerException successdn8){}
1488		}
494	–
1489
1490		/**
1491	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1491	>	* invokeAny(c) returns result of some task
1492		*/
1493	<	public void testRejectedExecutionException(){
1494	<	ThreadPoolExecutor tpe = null;
1495	<	try{
1496	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1497	<	} catch(Exception e){}
1498	<	tpe.shutdown();
1499	<	try{
1500	<	tpe.execute(new NoOpRunnable());
1501	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1502	<	} catch(RejectedExecutionException success){}
1503	<
1504	<	joinPool(tpe);
1493	>	public void testInvokeAny5() throws Exception {
1494	>	ExecutorService e =
1495	>	new ThreadPoolExecutor(2, 2,
1496	>	LONG_DELAY_MS, MILLISECONDS,
1497	>	new ArrayBlockingQueue<Runnable>(10));
1498	>	try {
1499	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1500	>	l.add(new StringTask());
1501	>	l.add(new StringTask());
1502	>	String result = e.invokeAny(l);
1503	>	assertSame(TEST_STRING, result);
1504	>	} finally {
1505	>	joinPool(e);
1506	>	}
1507		}
1508	<
1508	>
1509		/**
1510	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1510	>	* invokeAll(null) throws NPE
1511		*/
1512	<	public void testCorePoolSizeIllegalArgumentException(){
1513	<	ThreadPoolExecutor tpe = null;
1514	<	try{
1515	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1516	<	} catch(Exception e){}
1517	<	try{
1518	<	tpe.setCorePoolSize(-1);
1519	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1520	<	} catch(IllegalArgumentException success){
1512	>	public void testInvokeAll1() throws Exception {
1513	>	ExecutorService e =
1514	>	new ThreadPoolExecutor(2, 2,
1515	>	LONG_DELAY_MS, MILLISECONDS,
1516	>	new ArrayBlockingQueue<Runnable>(10));
1517	>	try {
1518	>	e.invokeAll(null);
1519	>	shouldThrow();
1520	>	} catch (NullPointerException success) {
1521		} finally {
1522	<	tpe.shutdown();
1522	>	joinPool(e);
1523		}
1524	<	joinPool(tpe);
532	<	}
1524	>	}
1525
534	–
1526		/**
1527	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1528	<	*  if given a value less the it's actual core pool size
1529	<	*/
1530	<	public void testMaximumPoolSizeIllegalArgumentException(){
1531	<	ThreadPoolExecutor tpe = null;
1532	<	try{
1533	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1534	<	} catch(Exception e){}
1535	<	try{
1536	<	tpe.setMaximumPoolSize(1);
546	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
1527	>	* invokeAll(empty collection) returns empty collection
1528	>	*/
1529	>	public void testInvokeAll2() throws InterruptedException {
1530	>	ExecutorService e =
1531	>	new ThreadPoolExecutor(2, 2,
1532	>	LONG_DELAY_MS, MILLISECONDS,
1533	>	new ArrayBlockingQueue<Runnable>(10));
1534	>	try {
1535	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1536	>	assertTrue(r.isEmpty());
1537		} finally {
1538	<	tpe.shutdown();
1538	>	joinPool(e);
1539		}
551	–	joinPool(tpe);
1540		}
1541	<
1541	>
1542		/**
1543	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1543	>	* invokeAll(c) throws NPE if c has null elements
1544		*/
1545	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1546	<	ThreadPoolExecutor tpe = null;
1547	<	try{
1548	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1549	<	} catch(Exception e){}
1550	<	try{
1551	<	tpe.setMaximumPoolSize(-1);
1552	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1553	<	} catch(IllegalArgumentException success){
1545	>	public void testInvokeAll3() throws Exception {
1546	>	ExecutorService e =
1547	>	new ThreadPoolExecutor(2, 2,
1548	>	LONG_DELAY_MS, MILLISECONDS,
1549	>	new ArrayBlockingQueue<Runnable>(10));
1550	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1551	>	l.add(new StringTask());
1552	>	l.add(null);
1553	>	try {
1554	>	e.invokeAll(l);
1555	>	shouldThrow();
1556	>	} catch (NullPointerException success) {
1557		} finally {
1558	<	tpe.shutdown();
1558	>	joinPool(e);
1559		}
570	–	joinPool(tpe);
1560		}
572	–
1561
1562		/**
1563	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
1563	>	* get of element of invokeAll(c) throws exception on failed task
1564		*/
1565	<	public void testKeepAliveTimeIllegalArgumentException(){
1566	<	ThreadPoolExecutor tpe = null;
1567	<	try{
1568	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1569	<	} catch(Exception e){}
1570	<
1571	<	try{
1572	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1573	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1574	<	} catch(IllegalArgumentException success){
1565	>	public void testInvokeAll4() throws Exception {
1566	>	ExecutorService e =
1567	>	new ThreadPoolExecutor(2, 2,
1568	>	LONG_DELAY_MS, MILLISECONDS,
1569	>	new ArrayBlockingQueue<Runnable>(10));
1570	>	try {
1571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1572	>	l.add(new NPETask());
1573	>	List<Future<String>> futures = e.invokeAll(l);
1574	>	assertEquals(1, futures.size());
1575	>	try {
1576	>	futures.get(0).get();
1577	>	shouldThrow();
1578	>	} catch (ExecutionException success) {
1579	>	assertTrue(success.getCause() instanceof NullPointerException);
1580	>	}
1581		} finally {
1582	<	tpe.shutdown();
1582	>	joinPool(e);
1583		}
591	–	joinPool(tpe);
1584		}
1585	<
1585	>
1586	>	/**
1587	>	* invokeAll(c) returns results of all completed tasks
1588	>	*/
1589	>	public void testInvokeAll5() throws Exception {
1590	>	ExecutorService e =
1591	>	new ThreadPoolExecutor(2, 2,
1592	>	LONG_DELAY_MS, MILLISECONDS,
1593	>	new ArrayBlockingQueue<Runnable>(10));
1594	>	try {
1595	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1596	>	l.add(new StringTask());
1597	>	l.add(new StringTask());
1598	>	List<Future<String>> futures = e.invokeAll(l);
1599	>	assertEquals(2, futures.size());
1600	>	for (Future<String> future : futures)
1601	>	assertSame(TEST_STRING, future.get());
1602	>	} finally {
1603	>	joinPool(e);
1604	>	}
1605	>	}
1606	>
1607	>	/**
1608	>	* timed invokeAny(null) throws NPE
1609	>	*/
1610	>	public void testTimedInvokeAny1() throws Exception {
1611	>	ExecutorService e =
1612	>	new ThreadPoolExecutor(2, 2,
1613	>	LONG_DELAY_MS, MILLISECONDS,
1614	>	new ArrayBlockingQueue<Runnable>(10));
1615	>	try {
1616	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1617	>	shouldThrow();
1618	>	} catch (NullPointerException success) {
1619	>	} finally {
1620	>	joinPool(e);
1621	>	}
1622	>	}
1623	>
1624	>	/**
1625	>	* timed invokeAny(,,null) throws NPE
1626	>	*/
1627	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1628	>	ExecutorService e =
1629	>	new ThreadPoolExecutor(2, 2,
1630	>	LONG_DELAY_MS, MILLISECONDS,
1631	>	new ArrayBlockingQueue<Runnable>(10));
1632	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1633	>	l.add(new StringTask());
1634	>	try {
1635	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1636	>	shouldThrow();
1637	>	} catch (NullPointerException success) {
1638	>	} finally {
1639	>	joinPool(e);
1640	>	}
1641	>	}
1642	>
1643	>	/**
1644	>	* timed invokeAny(empty collection) throws IAE
1645	>	*/
1646	>	public void testTimedInvokeAny2() throws Exception {
1647	>	ExecutorService e =
1648	>	new ThreadPoolExecutor(2, 2,
1649	>	LONG_DELAY_MS, MILLISECONDS,
1650	>	new ArrayBlockingQueue<Runnable>(10));
1651	>	try {
1652	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1653	>	shouldThrow();
1654	>	} catch (IllegalArgumentException success) {
1655	>	} finally {
1656	>	joinPool(e);
1657	>	}
1658	>	}
1659	>
1660	>	/**
1661	>	* timed invokeAny(c) throws NPE if c has null elements
1662	>	*/
1663	>	public void testTimedInvokeAny3() throws Exception {
1664	>	final CountDownLatch latch = new CountDownLatch(1);
1665	>	final ExecutorService e =
1666	>	new ThreadPoolExecutor(2, 2,
1667	>	LONG_DELAY_MS, MILLISECONDS,
1668	>	new ArrayBlockingQueue<Runnable>(10));
1669	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1670	>	l.add(latchAwaitingStringTask(latch));
1671	>	l.add(null);
1672	>	try {
1673	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1674	>	shouldThrow();
1675	>	} catch (NullPointerException success) {
1676	>	} finally {
1677	>	latch.countDown();
1678	>	joinPool(e);
1679	>	}
1680	>	}
1681	>
1682	>	/**
1683	>	* timed invokeAny(c) throws ExecutionException if no task completes
1684	>	*/
1685	>	public void testTimedInvokeAny4() throws Exception {
1686	>	ExecutorService e =
1687	>	new ThreadPoolExecutor(2, 2,
1688	>	LONG_DELAY_MS, MILLISECONDS,
1689	>	new ArrayBlockingQueue<Runnable>(10));
1690	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1691	>	l.add(new NPETask());
1692	>	try {
1693	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1694	>	shouldThrow();
1695	>	} catch (ExecutionException success) {
1696	>	assertTrue(success.getCause() instanceof NullPointerException);
1697	>	} finally {
1698	>	joinPool(e);
1699	>	}
1700	>	}
1701	>
1702	>	/**
1703	>	* timed invokeAny(c) returns result of some task
1704	>	*/
1705	>	public void testTimedInvokeAny5() throws Exception {
1706	>	ExecutorService e =
1707	>	new ThreadPoolExecutor(2, 2,
1708	>	LONG_DELAY_MS, MILLISECONDS,
1709	>	new ArrayBlockingQueue<Runnable>(10));
1710	>	try {
1711	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1712	>	l.add(new StringTask());
1713	>	l.add(new StringTask());
1714	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1715	>	assertSame(TEST_STRING, result);
1716	>	} finally {
1717	>	joinPool(e);
1718	>	}
1719	>	}
1720	>
1721	>	/**
1722	>	* timed invokeAll(null) throws NPE
1723	>	*/
1724	>	public void testTimedInvokeAll1() throws Exception {
1725	>	ExecutorService e =
1726	>	new ThreadPoolExecutor(2, 2,
1727	>	LONG_DELAY_MS, MILLISECONDS,
1728	>	new ArrayBlockingQueue<Runnable>(10));
1729	>	try {
1730	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1731	>	shouldThrow();
1732	>	} catch (NullPointerException success) {
1733	>	} finally {
1734	>	joinPool(e);
1735	>	}
1736	>	}
1737	>
1738	>	/**
1739	>	* timed invokeAll(,,null) throws NPE
1740	>	*/
1741	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1742	>	ExecutorService e =
1743	>	new ThreadPoolExecutor(2, 2,
1744	>	LONG_DELAY_MS, MILLISECONDS,
1745	>	new ArrayBlockingQueue<Runnable>(10));
1746	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1747	>	l.add(new StringTask());
1748	>	try {
1749	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1750	>	shouldThrow();
1751	>	} catch (NullPointerException success) {
1752	>	} finally {
1753	>	joinPool(e);
1754	>	}
1755	>	}
1756	>
1757	>	/**
1758	>	* timed invokeAll(empty collection) returns empty collection
1759	>	*/
1760	>	public void testTimedInvokeAll2() throws InterruptedException {
1761	>	ExecutorService e =
1762	>	new ThreadPoolExecutor(2, 2,
1763	>	LONG_DELAY_MS, MILLISECONDS,
1764	>	new ArrayBlockingQueue<Runnable>(10));
1765	>	try {
1766	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1767	>	assertTrue(r.isEmpty());
1768	>	} finally {
1769	>	joinPool(e);
1770	>	}
1771	>	}
1772	>
1773	>	/**
1774	>	* timed invokeAll(c) throws NPE if c has null elements
1775	>	*/
1776	>	public void testTimedInvokeAll3() throws Exception {
1777	>	ExecutorService e =
1778	>	new ThreadPoolExecutor(2, 2,
1779	>	LONG_DELAY_MS, MILLISECONDS,
1780	>	new ArrayBlockingQueue<Runnable>(10));
1781	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1782	>	l.add(new StringTask());
1783	>	l.add(null);
1784	>	try {
1785	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1786	>	shouldThrow();
1787	>	} catch (NullPointerException success) {
1788	>	} finally {
1789	>	joinPool(e);
1790	>	}
1791	>	}
1792	>
1793	>	/**
1794	>	* get of element of invokeAll(c) throws exception on failed task
1795	>	*/
1796	>	public void testTimedInvokeAll4() throws Exception {
1797	>	ExecutorService e =
1798	>	new ThreadPoolExecutor(2, 2,
1799	>	LONG_DELAY_MS, MILLISECONDS,
1800	>	new ArrayBlockingQueue<Runnable>(10));
1801	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1802	>	l.add(new NPETask());
1803	>	List<Future<String>> futures =
1804	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1805	>	assertEquals(1, futures.size());
1806	>	try {
1807	>	futures.get(0).get();
1808	>	shouldThrow();
1809	>	} catch (ExecutionException success) {
1810	>	assertTrue(success.getCause() instanceof NullPointerException);
1811	>	} finally {
1812	>	joinPool(e);
1813	>	}
1814	>	}
1815	>
1816	>	/**
1817	>	* timed invokeAll(c) returns results of all completed tasks
1818	>	*/
1819	>	public void testTimedInvokeAll5() throws Exception {
1820	>	ExecutorService e =
1821	>	new ThreadPoolExecutor(2, 2,
1822	>	LONG_DELAY_MS, MILLISECONDS,
1823	>	new ArrayBlockingQueue<Runnable>(10));
1824	>	try {
1825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1826	>	l.add(new StringTask());
1827	>	l.add(new StringTask());
1828	>	List<Future<String>> futures =
1829	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1830	>	assertEquals(2, futures.size());
1831	>	for (Future<String> future : futures)
1832	>	assertSame(TEST_STRING, future.get());
1833	>	} finally {
1834	>	joinPool(e);
1835	>	}
1836	>	}
1837	>
1838	>	/**
1839	>	* timed invokeAll(c) cancels tasks not completed by timeout
1840	>	*/
1841	>	public void testTimedInvokeAll6() throws Exception {
1842	>	ExecutorService e =
1843	>	new ThreadPoolExecutor(2, 2,
1844	>	LONG_DELAY_MS, MILLISECONDS,
1845	>	new ArrayBlockingQueue<Runnable>(10));
1846	>	try {
1847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1848	>	l.add(new StringTask());
1849	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1850	>	l.add(new StringTask());
1851	>	List<Future<String>> futures =
1852	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1853	>	assertEquals(l.size(), futures.size());
1854	>	for (Future future : futures)
1855	>	assertTrue(future.isDone());
1856	>	assertFalse(futures.get(0).isCancelled());
1857	>	assertTrue(futures.get(1).isCancelled());
1858	>	} finally {
1859	>	joinPool(e);
1860	>	}
1861	>	}
1862	>
1863	>	/**
1864	>	* Execution continues if there is at least one thread even if
1865	>	* thread factory fails to create more
1866	>	*/
1867	>	public void testFailingThreadFactory() throws InterruptedException {
1868	>	final ExecutorService e =
1869	>	new ThreadPoolExecutor(100, 100,
1870	>	LONG_DELAY_MS, MILLISECONDS,
1871	>	new LinkedBlockingQueue<Runnable>(),
1872	>	new FailingThreadFactory());
1873	>	try {
1874	>	final int TASKS = 100;
1875	>	final CountDownLatch done = new CountDownLatch(TASKS);
1876	>	for (int k = 0; k < TASKS; ++k)
1877	>	e.execute(new CheckedRunnable() {
1878	>	public void realRun() {
1879	>	done.countDown();
1880	>	}});
1881	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1882	>	} finally {
1883	>	joinPool(e);
1884	>	}
1885	>	}
1886	>
1887	>	/**
1888	>	* allowsCoreThreadTimeOut is by default false.
1889	>	*/
1890	>	public void testAllowsCoreThreadTimeOut() {
1891	>	final ThreadPoolExecutor p =
1892	>	new ThreadPoolExecutor(2, 2,
1893	>	1000, MILLISECONDS,
1894	>	new ArrayBlockingQueue<Runnable>(10));
1895	>	assertFalse(p.allowsCoreThreadTimeOut());
1896	>	joinPool(p);
1897	>	}
1898	>
1899	>	/**
1900	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1901	>	*/
1902	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1903	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1904	>	final ThreadPoolExecutor p =
1905	>	new ThreadPoolExecutor(2, 10,
1906	>	coreThreadTimeOut, MILLISECONDS,
1907	>	new ArrayBlockingQueue<Runnable>(10));
1908	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1909	>	try {
1910	>	p.allowCoreThreadTimeOut(true);
1911	>	p.execute(new CheckedRunnable() {
1912	>	public void realRun() {
1913	>	threadStarted.countDown();
1914	>	assertEquals(1, p.getPoolSize());
1915	>	}});
1916	>	await(threadStarted);
1917	>	delay(coreThreadTimeOut);
1918	>	long startTime = System.nanoTime();
1919	>	while (p.getPoolSize() > 0
1920	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1921	>	Thread.yield();
1922	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
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	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1934	>	final ThreadPoolExecutor p =
1935	>	new ThreadPoolExecutor(2, 10,
1936	>	coreThreadTimeOut, MILLISECONDS,
1937	>	new ArrayBlockingQueue<Runnable>(10));
1938	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1939	>	try {
1940	>	p.allowCoreThreadTimeOut(false);
1941	>	p.execute(new CheckedRunnable() {
1942	>	public void realRun() throws InterruptedException {
1943	>	threadStarted.countDown();
1944	>	assertTrue(p.getPoolSize() >= 1);
1945	>	}});
1946	>	delay(2 * coreThreadTimeOut);
1947	>	assertTrue(p.getPoolSize() >= 1);
1948	>	} finally {
1949	>	joinPool(p);
1950	>	}
1951	>	}
1952	>
1953	>	/**
1954	>	* execute allows the same task to be submitted multiple times, even
1955	>	* if rejected
1956	>	*/
1957	>	public void testRejectedRecycledTask() throws InterruptedException {
1958	>	final int nTasks = 1000;
1959	>	final CountDownLatch done = new CountDownLatch(nTasks);
1960	>	final Runnable recycledTask = new Runnable() {
1961	>	public void run() {
1962	>	done.countDown();
1963	>	}};
1964	>	final ThreadPoolExecutor p =
1965	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1966	>	new ArrayBlockingQueue(30));
1967	>	try {
1968	>	for (int i = 0; i < nTasks; ++i) {
1969	>	for (;;) {
1970	>	try {
1971	>	p.execute(recycledTask);
1972	>	break;
1973	>	}
1974	>	catch (RejectedExecutionException ignore) {}
1975	>	}
1976	>	}
1977	>	// enough time to run all tasks
1978	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
1979	>	} finally {
1980	>	joinPool(p);
1981	>	}
1982	>	}
1983	>
1984		}

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