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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 1.69 by jsr166, Sun Oct 4 01:29:09 2015 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 junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37	<	public class ThreadPoolExecutorTest extends TestCase{
37	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
16	–
17	–
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
45	<	private static long SHORT_DELAY_MS = 100;
46	<	private static long MEDIUM_DELAY_MS = 1000;
47	<	private static long LONG_DELAY_MS = 10000;
48	<
49	<	//---- testThread class to implement ThreadFactory for use in constructors
50	<	static class testThread implements ThreadFactory{
51	<	public Thread newThread(Runnable r){
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78		return new Thread(r);
79	<	}
79	>	}
80		}
81
82	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
83	<	static class testReject implements RejectedExecutionHandler{
84	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
82	>	/**
83	>	* execute successfully executes a runnable
84	>	*/
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() {
93	>	done.countDown();
94	>	}};
95	>	try {
96	>	p.execute(task);
97	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98	>	} finally {
99	>	joinPool(p);
100	>	}
101		}
102
103	<	public Runnable newRunnable(){
104	<	return new Runnable(){
105	<	public void run(){
106	<	try{Thread.sleep(MEDIUM_DELAY_MS);
107	<	} catch(Exception e){
108	<	}
109	<	}
110	<	};
103	>	/**
104	>	* getActiveCount increases but doesn't overestimate, when a
105	>	* thread becomes active
106	>	*/
107	>	public void testGetActiveCount() throws InterruptedException {
108	>	final ThreadPoolExecutor p =
109	>	new ThreadPoolExecutor(2, 2,
110	>	LONG_DELAY_MS, MILLISECONDS,
111	>	new ArrayBlockingQueue<Runnable>(10));
112	>	final CountDownLatch threadStarted = new CountDownLatch(1);
113	>	final CountDownLatch done = new CountDownLatch(1);
114	>	try {
115	>	assertEquals(0, p.getActiveCount());
116	>	p.execute(new CheckedRunnable() {
117	>	public void realRun() throws InterruptedException {
118	>	threadStarted.countDown();
119	>	assertEquals(1, p.getActiveCount());
120	>	done.await();
121	>	}});
122	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123	>	assertEquals(1, p.getActiveCount());
124	>	} finally {
125	>	done.countDown();
126	>	joinPool(p);
127	>	}
128	>	}
129	>
130	>	/**
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132	>	*/
133	>	public void testPrestartCoreThread() {
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153	>	}
154		}
155
48	–
156		/**
157	<	*  Test to verify that execute successfully executes a runnable
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158		*/
159	<	public void testExecute(){
160	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175	>	}
176	>	}
177	>
178	>	/**
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181	>	*/
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210	>	}
211	>
212	>	/**
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214	>	*/
215	>	public void testGetCorePoolSize() {
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222	>	}
223	>	}
224	>
225	>	/**
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227	>	*/
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
234	>	joinPool(p);
235	>	}
236	>
237	>	/**
238	>	* getThreadFactory returns factory in constructor if not set
239	>	*/
240	>	public void testGetThreadFactory() {
241	>	ThreadFactory tf = new SimpleThreadFactory();
242	>	final ThreadPoolExecutor p =
243	>	new ThreadPoolExecutor(1, 2,
244	>	LONG_DELAY_MS, MILLISECONDS,
245	>	new ArrayBlockingQueue<Runnable>(10),
246	>	tf,
247	>	new NoOpREHandler());
248	>	assertSame(tf, p.getThreadFactory());
249	>	joinPool(p);
250	>	}
251	>
252	>	/**
253	>	* setThreadFactory sets the thread factory returned by getThreadFactory
254	>	*/
255	>	public void testSetThreadFactory() {
256	>	final ThreadPoolExecutor p =
257	>	new ThreadPoolExecutor(1, 2,
258	>	LONG_DELAY_MS, MILLISECONDS,
259	>	new ArrayBlockingQueue<Runnable>(10));
260	>	ThreadFactory tf = new SimpleThreadFactory();
261	>	p.setThreadFactory(tf);
262	>	assertSame(tf, p.getThreadFactory());
263	>	joinPool(p);
264	>	}
265	>
266	>	/**
267	>	* setThreadFactory(null) throws NPE
268	>	*/
269	>	public void testSetThreadFactoryNull() {
270	>	final ThreadPoolExecutor p =
271	>	new ThreadPoolExecutor(1, 2,
272	>	LONG_DELAY_MS, MILLISECONDS,
273	>	new ArrayBlockingQueue<Runnable>(10));
274		try {
275	<	one.execute(new Runnable(){
276	<	public void run(){
277	<	try{
278	<	Thread.sleep(SHORT_DELAY_MS);
279	<	} catch(InterruptedException e){
280	<	fail("unexpected exception");
281	<	}
282	<	}
283	<	});
284	<	Thread.sleep(SHORT_DELAY_MS * 2);
285	<	} catch(InterruptedException e){
286	<	fail("unexpected exception");
275	>	p.setThreadFactory(null);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {
278	>	} finally {
279	>	joinPool(p);
280	>	}
281	>	}
282	>
283	>	/**
284	>	* getRejectedExecutionHandler returns handler in constructor if not set
285	>	*/
286	>	public void testGetRejectedExecutionHandler() {
287	>	final RejectedExecutionHandler h = new NoOpREHandler();
288	>	final ThreadPoolExecutor p =
289	>	new ThreadPoolExecutor(1, 2,
290	>	LONG_DELAY_MS, MILLISECONDS,
291	>	new ArrayBlockingQueue<Runnable>(10),
292	>	h);
293	>	assertSame(h, p.getRejectedExecutionHandler());
294	>	joinPool(p);
295	>	}
296	>
297	>	/**
298	>	* setRejectedExecutionHandler sets the handler returned by
299	>	* getRejectedExecutionHandler
300	>	*/
301	>	public void testSetRejectedExecutionHandler() {
302	>	final ThreadPoolExecutor p =
303	>	new ThreadPoolExecutor(1, 2,
304	>	LONG_DELAY_MS, MILLISECONDS,
305	>	new ArrayBlockingQueue<Runnable>(10));
306	>	RejectedExecutionHandler h = new NoOpREHandler();
307	>	p.setRejectedExecutionHandler(h);
308	>	assertSame(h, p.getRejectedExecutionHandler());
309	>	joinPool(p);
310	>	}
311	>
312	>	/**
313	>	* setRejectedExecutionHandler(null) throws NPE
314	>	*/
315	>	public void testSetRejectedExecutionHandlerNull() {
316	>	final ThreadPoolExecutor p =
317	>	new ThreadPoolExecutor(1, 2,
318	>	LONG_DELAY_MS, MILLISECONDS,
319	>	new ArrayBlockingQueue<Runnable>(10));
320	>	try {
321	>	p.setRejectedExecutionHandler(null);
322	>	shouldThrow();
323	>	} catch (NullPointerException success) {
324		} finally {
325	<	one.shutdown();
325	>	joinPool(p);
326		}
327		}
328
329		/**
330	<	*  Test to verify getActiveCount gives correct values
330	>	* getLargestPoolSize increases, but doesn't overestimate, when
331	>	* multiple threads active
332		*/
333	<	public void testGetActiveCount(){
334	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
333	>	public void testGetLargestPoolSize() throws InterruptedException {
334	>	final int THREADS = 3;
335	>	final ThreadPoolExecutor p =
336	>	new ThreadPoolExecutor(THREADS, THREADS,
337	>	LONG_DELAY_MS, MILLISECONDS,
338	>	new ArrayBlockingQueue<Runnable>(10));
339	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
340	>	final CountDownLatch done = new CountDownLatch(1);
341		try {
342	<	assertEquals(0, two.getActiveCount());
343	<	two.execute(newRunnable());
344	<	try{Thread.sleep(10);} catch(Exception e){}
345	<	assertEquals(1, two.getActiveCount());
342	>	assertEquals(0, p.getLargestPoolSize());
343	>	for (int i = 0; i < THREADS; i++)
344	>	p.execute(new CheckedRunnable() {
345	>	public void realRun() throws InterruptedException {
346	>	threadsStarted.countDown();
347	>	done.await();
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	}});
350	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352		} finally {
353	<	two.shutdown();
353	>	done.countDown();
354	>	joinPool(p);
355	>	assertEquals(THREADS, p.getLargestPoolSize());
356		}
357		}
358	<
358	>
359	>	/**
360	>	* getMaximumPoolSize returns value given in constructor if not
361	>	* otherwise set
362	>	*/
363	>	public void testGetMaximumPoolSize() {
364	>	final ThreadPoolExecutor p =
365	>	new ThreadPoolExecutor(2, 3,
366	>	LONG_DELAY_MS, MILLISECONDS,
367	>	new ArrayBlockingQueue<Runnable>(10));
368	>	assertEquals(3, p.getMaximumPoolSize());
369	>	joinPool(p);
370	>	}
371	>
372		/**
373	<	*  Test to verify getCompleteTaskCount gives correct values
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375		*/
376	<	public void testGetCompletedTaskCount(){
377	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	final CountDownLatch threadStarted = new CountDownLatch(1);
382	>	final CountDownLatch done = new CountDownLatch(1);
383		try {
384	<	assertEquals(0, two.getCompletedTaskCount());
385	<	two.execute(newRunnable());
386	<	try{Thread.sleep(2000);} catch(Exception e){}
387	<	assertEquals(1, two.getCompletedTaskCount());
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393		} finally {
394	<	two.shutdown();
394	>	done.countDown();
395	>	joinPool(p);
396		}
397		}
398	<
398	>
399		/**
400	<	*  Test to verify getCorePoolSize gives correct values
400	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
401		*/
402	<	public void testGetCorePoolSize(){
403	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
402	>	public void testGetTaskCount() throws InterruptedException {
403	>	final ThreadPoolExecutor p =
404	>	new ThreadPoolExecutor(1, 1,
405	>	LONG_DELAY_MS, MILLISECONDS,
406	>	new ArrayBlockingQueue<Runnable>(10));
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409		try {
410	<	assertEquals(1, one.getCorePoolSize());
410	>	assertEquals(0, p.getTaskCount());
411	>	p.execute(new CheckedRunnable() {
412	>	public void realRun() throws InterruptedException {
413	>	threadStarted.countDown();
414	>	assertEquals(1, p.getTaskCount());
415	>	done.await();
416	>	}});
417	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
418	>	assertEquals(1, p.getTaskCount());
419		} finally {
420	<	one.shutdown();
420	>	done.countDown();
421	>	joinPool(p);
422		}
423		}
424	<
424	>
425	>	/**
426	>	* isShutdown is false before shutdown, true after
427	>	*/
428	>	public void testIsShutdown() {
429	>	final ThreadPoolExecutor p =
430	>	new ThreadPoolExecutor(1, 1,
431	>	LONG_DELAY_MS, MILLISECONDS,
432	>	new ArrayBlockingQueue<Runnable>(10));
433	>	assertFalse(p.isShutdown());
434	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
435	>	assertTrue(p.isShutdown());
436	>	joinPool(p);
437	>	}
438	>
439	>	/**
440	>	* awaitTermination on a non-shutdown pool times out
441	>	*/
442	>	public void testAwaitTermination_timesOut() throws InterruptedException {
443	>	final ThreadPoolExecutor p =
444	>	new ThreadPoolExecutor(1, 1,
445	>	LONG_DELAY_MS, MILLISECONDS,
446	>	new ArrayBlockingQueue<Runnable>(10));
447	>	assertFalse(p.isTerminated());
448	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
452	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
453	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
454	>	long timeoutNanos = 999999L;
455	>	long startTime = System.nanoTime();
456	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
457	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
458	>	assertFalse(p.isTerminated());
459	>	startTime = System.nanoTime();
460	>	long timeoutMillis = timeoutMillis();
461	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
462	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
463	>	assertFalse(p.isTerminated());
464	>	p.shutdown();
465	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
466	>	assertTrue(p.isTerminated());
467	>	}
468	>
469		/**
470	<	*  Test to verify getKeepAliveTime gives correct values
470	>	* isTerminated is false before termination, true after
471		*/
472	<	public void testGetKeepAliveTime(){
473	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
472	>	public void testIsTerminated() throws InterruptedException {
473	>	final ThreadPoolExecutor p =
474	>	new ThreadPoolExecutor(1, 1,
475	>	LONG_DELAY_MS, MILLISECONDS,
476	>	new ArrayBlockingQueue<Runnable>(10));
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminated());
480		try {
481	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
481	>	p.execute(new CheckedRunnable() {
482	>	public void realRun() throws InterruptedException {
483	>	assertFalse(p.isTerminated());
484	>	threadStarted.countDown();
485	>	done.await();
486	>	}});
487	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
488	>	assertFalse(p.isTerminating());
489	>	done.countDown();
490		} finally {
491	<	two.shutdown();
491	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
492		}
493	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	+	assertTrue(p.isTerminated());
495		}
496	<
496	>
497		/**
498	<	*  Test to verify getLargestPoolSize gives correct values
498	>	* isTerminating is not true when running or when terminated
499		*/
500	<	public void testGetLargestPoolSize(){
501	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
500	>	public void testIsTerminating() throws InterruptedException {
501	>	final ThreadPoolExecutor p =
502	>	new ThreadPoolExecutor(1, 1,
503	>	LONG_DELAY_MS, MILLISECONDS,
504	>	new ArrayBlockingQueue<Runnable>(10));
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507		try {
508	<	assertEquals(0, two.getLargestPoolSize());
509	<	two.execute(newRunnable());
510	<	two.execute(newRunnable());
511	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
512	<	assertEquals(2, two.getLargestPoolSize());
508	>	assertFalse(p.isTerminating());
509	>	p.execute(new CheckedRunnable() {
510	>	public void realRun() throws InterruptedException {
511	>	assertFalse(p.isTerminating());
512	>	threadStarted.countDown();
513	>	done.await();
514	>	}});
515	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
516	>	assertFalse(p.isTerminating());
517	>	done.countDown();
518		} finally {
519	<	two.shutdown();
519	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
520		}
521	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
522	+	assertTrue(p.isTerminated());
523	+	assertFalse(p.isTerminating());
524		}
525	<
525	>
526		/**
527	<	*  Test to verify getMaximumPoolSize gives correct values
527	>	* getQueue returns the work queue, which contains queued tasks
528		*/
529	<	public void testGetMaximumPoolSize(){
530	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
529	>	public void testGetQueue() throws InterruptedException {
530	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
531	>	final ThreadPoolExecutor p =
532	>	new ThreadPoolExecutor(1, 1,
533	>	LONG_DELAY_MS, MILLISECONDS,
534	>	q);
535	>	final CountDownLatch threadStarted = new CountDownLatch(1);
536	>	final CountDownLatch done = new CountDownLatch(1);
537		try {
538	<	assertEquals(2, two.getMaximumPoolSize());
538	>	FutureTask[] tasks = new FutureTask[5];
539	>	for (int i = 0; i < tasks.length; i++) {
540	>	Callable task = new CheckedCallable<Boolean>() {
541	>	public Boolean realCall() throws InterruptedException {
542	>	threadStarted.countDown();
543	>	assertSame(q, p.getQueue());
544	>	done.await();
545	>	return Boolean.TRUE;
546	>	}};
547	>	tasks[i] = new FutureTask(task);
548	>	p.execute(tasks[i]);
549	>	}
550	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551	>	assertSame(q, p.getQueue());
552	>	assertFalse(q.contains(tasks[0]));
553	>	assertTrue(q.contains(tasks[tasks.length - 1]));
554	>	assertEquals(tasks.length - 1, q.size());
555		} finally {
556	<	two.shutdown();
556	>	done.countDown();
557	>	joinPool(p);
558		}
559		}
560	<
560	>
561		/**
562	<	*  Test to verify getPoolSize gives correct values
562	>	* remove(task) removes queued task, and fails to remove active task
563		*/
564	<	public void testGetPoolSize(){
565	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
566	<	try {
567	<	assertEquals(0, one.getPoolSize());
568	<	one.execute(newRunnable());
569	<	assertEquals(1, one.getPoolSize());
564	>	public void testRemove() throws InterruptedException {
565	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
566	>	final ThreadPoolExecutor p =
567	>	new ThreadPoolExecutor(1, 1,
568	>	LONG_DELAY_MS, MILLISECONDS,
569	>	q);
570	>	Runnable[] tasks = new Runnable[5];
571	>	final CountDownLatch threadStarted = new CountDownLatch(1);
572	>	final CountDownLatch done = new CountDownLatch(1);
573	>	try {
574	>	for (int i = 0; i < tasks.length; i++) {
575	>	tasks[i] = new CheckedRunnable() {
576	>	public void realRun() throws InterruptedException {
577	>	threadStarted.countDown();
578	>	done.await();
579	>	}};
580	>	p.execute(tasks[i]);
581	>	}
582	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
583	>	assertFalse(p.remove(tasks[0]));
584	>	assertTrue(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[4]));
587	>	assertFalse(p.remove(tasks[4]));
588	>	assertFalse(q.contains(tasks[4]));
589	>	assertTrue(q.contains(tasks[3]));
590	>	assertTrue(p.remove(tasks[3]));
591	>	assertFalse(q.contains(tasks[3]));
592		} finally {
593	<	one.shutdown();
593	>	done.countDown();
594	>	joinPool(p);
595		}
596		}
597	<
597	>
598		/**
599	<	*  Test to verify getTaskCount gives correct values
599	>	* purge removes cancelled tasks from the queue
600		*/
601	<	public void testGetTaskCount(){
602	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
601	>	public void testPurge() throws InterruptedException {
602	>	final CountDownLatch threadStarted = new CountDownLatch(1);
603	>	final CountDownLatch done = new CountDownLatch(1);
604	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
605	>	final ThreadPoolExecutor p =
606	>	new ThreadPoolExecutor(1, 1,
607	>	LONG_DELAY_MS, MILLISECONDS,
608	>	q);
609	>	FutureTask[] tasks = new FutureTask[5];
610		try {
611	<	assertEquals(0, one.getTaskCount());
612	<	for(int i = 0; i < 5; i++)
613	<	one.execute(newRunnable());
614	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
615	<	assertEquals(5, one.getTaskCount());
611	>	for (int i = 0; i < tasks.length; i++) {
612	>	Callable task = new CheckedCallable<Boolean>() {
613	>	public Boolean realCall() throws InterruptedException {
614	>	threadStarted.countDown();
615	>	done.await();
616	>	return Boolean.TRUE;
617	>	}};
618	>	tasks[i] = new FutureTask(task);
619	>	p.execute(tasks[i]);
620	>	}
621	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
622	>	assertEquals(tasks.length, p.getTaskCount());
623	>	assertEquals(tasks.length - 1, q.size());
624	>	assertEquals(1L, p.getActiveCount());
625	>	assertEquals(0L, p.getCompletedTaskCount());
626	>	tasks[4].cancel(true);
627	>	tasks[3].cancel(false);
628	>	p.purge();
629	>	assertEquals(tasks.length - 3, q.size());
630	>	assertEquals(tasks.length - 2, p.getTaskCount());
631	>	p.purge();         // Nothing to do
632	>	assertEquals(tasks.length - 3, q.size());
633	>	assertEquals(tasks.length - 2, p.getTaskCount());
634		} finally {
635	<	one.shutdown();
635	>	done.countDown();
636	>	joinPool(p);
637		}
638		}
639	<
639	>
640	>	/**
641	>	* shutdownNow returns a list containing tasks that were not run,
642	>	* and those tasks are drained from the queue
643	>	*/
644	>	public void testShutdownNow() throws InterruptedException {
645	>	final int poolSize = 2;
646	>	final int count = 5;
647	>	final AtomicInteger ran = new AtomicInteger(0);
648	>	final ThreadPoolExecutor p =
649	>	new ThreadPoolExecutor(poolSize, poolSize,
650	>	LONG_DELAY_MS, MILLISECONDS,
651	>	new ArrayBlockingQueue<Runnable>(10));
652	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
653	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
654	>	threadsStarted.countDown();
655	>	try {
656	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
657	>	} catch (InterruptedException success) {}
658	>	ran.getAndIncrement();
659	>	}};
660	>	for (int i = 0; i < count; i++)
661	>	p.execute(waiter);
662	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
663	>	assertEquals(poolSize, p.getActiveCount());
664	>	assertEquals(0, p.getCompletedTaskCount());
665	>	final List<Runnable> queuedTasks;
666	>	try {
667	>	queuedTasks = p.shutdownNow();
668	>	} catch (SecurityException ok) {
669	>	return; // Allowed in case test doesn't have privs
670	>	}
671	>	assertTrue(p.isShutdown());
672	>	assertTrue(p.getQueue().isEmpty());
673	>	assertEquals(count - poolSize, queuedTasks.size());
674	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
675	>	assertTrue(p.isTerminated());
676	>	assertEquals(poolSize, ran.get());
677	>	assertEquals(poolSize, p.getCompletedTaskCount());
678	>	}
679	>
680	>	// Exception Tests
681	>
682	>	/**
683	>	* Constructor throws if corePoolSize argument is less than zero
684	>	*/
685	>	public void testConstructor1() {
686	>	try {
687	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
688	>	new ArrayBlockingQueue<Runnable>(10));
689	>	shouldThrow();
690	>	} catch (IllegalArgumentException success) {}
691	>	}
692	>
693	>	/**
694	>	* Constructor throws if maximumPoolSize is less than zero
695	>	*/
696	>	public void testConstructor2() {
697	>	try {
698	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
699	>	new ArrayBlockingQueue<Runnable>(10));
700	>	shouldThrow();
701	>	} catch (IllegalArgumentException success) {}
702	>	}
703	>
704	>	/**
705	>	* Constructor throws if maximumPoolSize is equal to zero
706	>	*/
707	>	public void testConstructor3() {
708	>	try {
709	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
710	>	new ArrayBlockingQueue<Runnable>(10));
711	>	shouldThrow();
712	>	} catch (IllegalArgumentException success) {}
713	>	}
714	>
715	>	/**
716	>	* Constructor throws if keepAliveTime is less than zero
717	>	*/
718	>	public void testConstructor4() {
719	>	try {
720	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
721	>	new ArrayBlockingQueue<Runnable>(10));
722	>	shouldThrow();
723	>	} catch (IllegalArgumentException success) {}
724	>	}
725	>
726	>	/**
727	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
728	>	*/
729	>	public void testConstructor5() {
730	>	try {
731	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
732	>	new ArrayBlockingQueue<Runnable>(10));
733	>	shouldThrow();
734	>	} catch (IllegalArgumentException success) {}
735	>	}
736	>
737	>	/**
738	>	* Constructor throws if workQueue is set to null
739	>	*/
740	>	public void testConstructorNullPointerException() {
741	>	try {
742	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
743	>	(BlockingQueue) null);
744	>	shouldThrow();
745	>	} catch (NullPointerException success) {}
746	>	}
747	>
748	>	/**
749	>	* Constructor throws if corePoolSize argument is less than zero
750	>	*/
751	>	public void testConstructor6() {
752	>	try {
753	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
754	>	new ArrayBlockingQueue<Runnable>(10),
755	>	new SimpleThreadFactory());
756	>	shouldThrow();
757	>	} catch (IllegalArgumentException success) {}
758	>	}
759	>
760	>	/**
761	>	* Constructor throws if maximumPoolSize is less than zero
762	>	*/
763	>	public void testConstructor7() {
764	>	try {
765	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
766	>	new ArrayBlockingQueue<Runnable>(10),
767	>	new SimpleThreadFactory());
768	>	shouldThrow();
769	>	} catch (IllegalArgumentException success) {}
770	>	}
771	>
772	>	/**
773	>	* Constructor throws if maximumPoolSize is equal to zero
774	>	*/
775	>	public void testConstructor8() {
776	>	try {
777	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
778	>	new ArrayBlockingQueue<Runnable>(10),
779	>	new SimpleThreadFactory());
780	>	shouldThrow();
781	>	} catch (IllegalArgumentException success) {}
782	>	}
783	>
784	>	/**
785	>	* Constructor throws if keepAliveTime is less than zero
786	>	*/
787	>	public void testConstructor9() {
788	>	try {
789	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
790	>	new ArrayBlockingQueue<Runnable>(10),
791	>	new SimpleThreadFactory());
792	>	shouldThrow();
793	>	} catch (IllegalArgumentException success) {}
794	>	}
795	>
796	>	/**
797	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
798	>	*/
799	>	public void testConstructor10() {
800	>	try {
801	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
802	>	new ArrayBlockingQueue<Runnable>(10),
803	>	new SimpleThreadFactory());
804	>	shouldThrow();
805	>	} catch (IllegalArgumentException success) {}
806	>	}
807	>
808	>	/**
809	>	* Constructor throws if workQueue is set to null
810	>	*/
811	>	public void testConstructorNullPointerException2() {
812	>	try {
813	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
814	>	(BlockingQueue) null,
815	>	new SimpleThreadFactory());
816	>	shouldThrow();
817	>	} catch (NullPointerException success) {}
818	>	}
819	>
820	>	/**
821	>	* Constructor throws if threadFactory is set to null
822	>	*/
823	>	public void testConstructorNullPointerException3() {
824	>	try {
825	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
826	>	new ArrayBlockingQueue<Runnable>(10),
827	>	(ThreadFactory) null);
828	>	shouldThrow();
829	>	} catch (NullPointerException success) {}
830	>	}
831	>
832	>	/**
833	>	* Constructor throws if corePoolSize argument is less than zero
834	>	*/
835	>	public void testConstructor11() {
836	>	try {
837	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
838	>	new ArrayBlockingQueue<Runnable>(10),
839	>	new NoOpREHandler());
840	>	shouldThrow();
841	>	} catch (IllegalArgumentException success) {}
842	>	}
843	>
844	>	/**
845	>	* Constructor throws if maximumPoolSize is less than zero
846	>	*/
847	>	public void testConstructor12() {
848	>	try {
849	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
850	>	new ArrayBlockingQueue<Runnable>(10),
851	>	new NoOpREHandler());
852	>	shouldThrow();
853	>	} catch (IllegalArgumentException success) {}
854	>	}
855	>
856	>	/**
857	>	* Constructor throws if maximumPoolSize is equal to zero
858	>	*/
859	>	public void testConstructor13() {
860	>	try {
861	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
862	>	new ArrayBlockingQueue<Runnable>(10),
863	>	new NoOpREHandler());
864	>	shouldThrow();
865	>	} catch (IllegalArgumentException success) {}
866	>	}
867	>
868	>	/**
869	>	* Constructor throws if keepAliveTime is less than zero
870	>	*/
871	>	public void testConstructor14() {
872	>	try {
873	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
874	>	new ArrayBlockingQueue<Runnable>(10),
875	>	new NoOpREHandler());
876	>	shouldThrow();
877	>	} catch (IllegalArgumentException success) {}
878	>	}
879	>
880	>	/**
881	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
882	>	*/
883	>	public void testConstructor15() {
884	>	try {
885	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
886	>	new ArrayBlockingQueue<Runnable>(10),
887	>	new NoOpREHandler());
888	>	shouldThrow();
889	>	} catch (IllegalArgumentException success) {}
890	>	}
891	>
892	>	/**
893	>	* Constructor throws if workQueue is set to null
894	>	*/
895	>	public void testConstructorNullPointerException4() {
896	>	try {
897	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
898	>	(BlockingQueue) null,
899	>	new NoOpREHandler());
900	>	shouldThrow();
901	>	} catch (NullPointerException success) {}
902	>	}
903	>
904	>	/**
905	>	* Constructor throws if handler is set to null
906	>	*/
907	>	public void testConstructorNullPointerException5() {
908	>	try {
909	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
910	>	new ArrayBlockingQueue<Runnable>(10),
911	>	(RejectedExecutionHandler) null);
912	>	shouldThrow();
913	>	} catch (NullPointerException success) {}
914	>	}
915	>
916	>	/**
917	>	* Constructor throws if corePoolSize argument is less than zero
918	>	*/
919	>	public void testConstructor16() {
920	>	try {
921	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
922	>	new ArrayBlockingQueue<Runnable>(10),
923	>	new SimpleThreadFactory(),
924	>	new NoOpREHandler());
925	>	shouldThrow();
926	>	} catch (IllegalArgumentException success) {}
927	>	}
928	>
929	>	/**
930	>	* Constructor throws if maximumPoolSize is less than zero
931	>	*/
932	>	public void testConstructor17() {
933	>	try {
934	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
935	>	new ArrayBlockingQueue<Runnable>(10),
936	>	new SimpleThreadFactory(),
937	>	new NoOpREHandler());
938	>	shouldThrow();
939	>	} catch (IllegalArgumentException success) {}
940	>	}
941	>
942	>	/**
943	>	* Constructor throws if maximumPoolSize is equal to zero
944	>	*/
945	>	public void testConstructor18() {
946	>	try {
947	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
948	>	new ArrayBlockingQueue<Runnable>(10),
949	>	new SimpleThreadFactory(),
950	>	new NoOpREHandler());
951	>	shouldThrow();
952	>	} catch (IllegalArgumentException success) {}
953	>	}
954	>
955	>	/**
956	>	* Constructor throws if keepAliveTime is less than zero
957	>	*/
958	>	public void testConstructor19() {
959	>	try {
960	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
961	>	new ArrayBlockingQueue<Runnable>(10),
962	>	new SimpleThreadFactory(),
963	>	new NoOpREHandler());
964	>	shouldThrow();
965	>	} catch (IllegalArgumentException success) {}
966	>	}
967	>
968	>	/**
969	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
970	>	*/
971	>	public void testConstructor20() {
972	>	try {
973	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
974	>	new ArrayBlockingQueue<Runnable>(10),
975	>	new SimpleThreadFactory(),
976	>	new NoOpREHandler());
977	>	shouldThrow();
978	>	} catch (IllegalArgumentException success) {}
979	>	}
980	>
981	>	/**
982	>	* Constructor throws if workQueue is null
983	>	*/
984	>	public void testConstructorNullPointerException6() {
985	>	try {
986	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
987	>	(BlockingQueue) null,
988	>	new SimpleThreadFactory(),
989	>	new NoOpREHandler());
990	>	shouldThrow();
991	>	} catch (NullPointerException success) {}
992	>	}
993	>
994	>	/**
995	>	* Constructor throws if handler is null
996	>	*/
997	>	public void testConstructorNullPointerException7() {
998	>	try {
999	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1000	>	new ArrayBlockingQueue<Runnable>(10),
1001	>	new SimpleThreadFactory(),
1002	>	(RejectedExecutionHandler) null);
1003	>	shouldThrow();
1004	>	} catch (NullPointerException success) {}
1005	>	}
1006	>
1007		/**
1008	<	*  Test to verify isShutDown gives correct values
1008	>	* Constructor throws if ThreadFactory is null
1009		*/
1010	<	public void testIsShutdown(){
188	<
189	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1010	>	public void testConstructorNullPointerException8() {
1011		try {
1012	<	assertFalse(one.isShutdown());
1012	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1013	>	new ArrayBlockingQueue<Runnable>(10),
1014	>	(ThreadFactory) null,
1015	>	new NoOpREHandler());
1016	>	shouldThrow();
1017	>	} catch (NullPointerException success) {}
1018	>	}
1019	>
1020	>	/**
1021	>	* get of submitted callable throws InterruptedException if interrupted
1022	>	*/
1023	>	public void testInterruptedSubmit() throws InterruptedException {
1024	>	final ThreadPoolExecutor p =
1025	>	new ThreadPoolExecutor(1, 1,
1026	>	60, SECONDS,
1027	>	new ArrayBlockingQueue<Runnable>(10));
1028	>
1029	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1030	>	final CountDownLatch done = new CountDownLatch(1);
1031	>	try {
1032	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1033	>	public void realRun() throws Exception {
1034	>	Callable task = new CheckedCallable<Boolean>() {
1035	>	public Boolean realCall() throws InterruptedException {
1036	>	threadStarted.countDown();
1037	>	done.await();
1038	>	return Boolean.TRUE;
1039	>	}};
1040	>	p.submit(task).get();
1041	>	}});
1042	>
1043	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1044	>	t.interrupt();
1045	>	awaitTermination(t, MEDIUM_DELAY_MS);
1046	>	} finally {
1047	>	done.countDown();
1048	>	joinPool(p);
1049		}
1050	<	finally {
1051	<	one.shutdown();
1050	>	}
1051	>
1052	>	/**
1053	>	* execute throws RejectedExecutionException if saturated.
1054	>	*/
1055	>	public void testSaturatedExecute() {
1056	>	ThreadPoolExecutor p =
1057	>	new ThreadPoolExecutor(1, 1,
1058	>	LONG_DELAY_MS, MILLISECONDS,
1059	>	new ArrayBlockingQueue<Runnable>(1));
1060	>	final CountDownLatch done = new CountDownLatch(1);
1061	>	try {
1062	>	Runnable task = new CheckedRunnable() {
1063	>	public void realRun() throws InterruptedException {
1064	>	done.await();
1065	>	}};
1066	>	for (int i = 0; i < 2; ++i)
1067	>	p.execute(task);
1068	>	for (int i = 0; i < 2; ++i) {
1069	>	try {
1070	>	p.execute(task);
1071	>	shouldThrow();
1072	>	} catch (RejectedExecutionException success) {}
1073	>	assertTrue(p.getTaskCount() <= 2);
1074	>	}
1075	>	} finally {
1076	>	done.countDown();
1077	>	joinPool(p);
1078		}
196	–	assertTrue(one.isShutdown());
1079		}
1080
199	–
1081		/**
1082	<	*  Test to verify isTerminated gives correct values
202	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
1082	>	* submit(runnable) throws RejectedExecutionException if saturated.
1083		*/
1084	<	public void testIsTerminated(){
1085	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1084	>	public void testSaturatedSubmitRunnable() {
1085	>	ThreadPoolExecutor p =
1086	>	new ThreadPoolExecutor(1, 1,
1087	>	LONG_DELAY_MS, MILLISECONDS,
1088	>	new ArrayBlockingQueue<Runnable>(1));
1089	>	final CountDownLatch done = new CountDownLatch(1);
1090		try {
1091	<	one.execute(newRunnable());
1091	>	Runnable task = new CheckedRunnable() {
1092	>	public void realRun() throws InterruptedException {
1093	>	done.await();
1094	>	}};
1095	>	for (int i = 0; i < 2; ++i)
1096	>	p.submit(task);
1097	>	for (int i = 0; i < 2; ++i) {
1098	>	try {
1099	>	p.execute(task);
1100	>	shouldThrow();
1101	>	} catch (RejectedExecutionException success) {}
1102	>	assertTrue(p.getTaskCount() <= 2);
1103	>	}
1104		} finally {
1105	<	one.shutdown();
1105	>	done.countDown();
1106	>	joinPool(p);
1107		}
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");
1108		}
1109
1110		/**
1111	<	*  Test to verify that purge correctly removes cancelled tasks
223	<	*  from the queue
1111	>	* submit(callable) throws RejectedExecutionException if saturated.
1112		*/
1113	<	public void testPurge(){
1114	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1113	>	public void testSaturatedSubmitCallable() {
1114	>	ThreadPoolExecutor p =
1115	>	new ThreadPoolExecutor(1, 1,
1116	>	LONG_DELAY_MS, MILLISECONDS,
1117	>	new ArrayBlockingQueue<Runnable>(1));
1118	>	final CountDownLatch done = new CountDownLatch(1);
1119		try {
1120	<	CancellableTask[] tasks = new CancellableTask[5];
1121	<	for(int i = 0; i < 5; i++){
1122	<	tasks[i] = new CancellableTask(newRunnable());
1123	<	one.execute(tasks[i]);
1120	>	Runnable task = new CheckedRunnable() {
1121	>	public void realRun() throws InterruptedException {
1122	>	done.await();
1123	>	}};
1124	>	for (int i = 0; i < 2; ++i)
1125	>	p.submit(Executors.callable(task));
1126	>	for (int i = 0; i < 2; ++i) {
1127	>	try {
1128	>	p.execute(task);
1129	>	shouldThrow();
1130	>	} catch (RejectedExecutionException success) {}
1131	>	assertTrue(p.getTaskCount() <= 2);
1132		}
233	–	tasks[4].cancel(true);
234	–	tasks[3].cancel(true);
235	–	one.purge();
236	–	long count = one.getTaskCount();
237	–	assertTrue(count >= 2 && count < 5);
1133		} finally {
1134	<	one.shutdown();
1134	>	done.countDown();
1135	>	joinPool(p);
1136		}
1137		}
1138
1139		/**
1140	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
1140	>	* executor using CallerRunsPolicy runs task if saturated.
1141		*/
1142	<	public void testShutDownNow(){
1143	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1144	<	List l;
1142	>	public void testSaturatedExecute2() {
1143	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1144	>	final ThreadPoolExecutor p =
1145	>	new ThreadPoolExecutor(1, 1,
1146	>	LONG_DELAY_MS,
1147	>	MILLISECONDS,
1148	>	new ArrayBlockingQueue<Runnable>(1),
1149	>	h);
1150		try {
1151	<	for(int i = 0; i < 5; i++)
1152	<	one.execute(newRunnable());
1151	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1152	>	for (int i = 0; i < tasks.length; ++i)
1153	>	tasks[i] = new TrackedNoOpRunnable();
1154	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1155	>	p.execute(mr);
1156	>	for (int i = 0; i < tasks.length; ++i)
1157	>	p.execute(tasks[i]);
1158	>	for (int i = 1; i < tasks.length; ++i)
1159	>	assertTrue(tasks[i].done);
1160	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1161	>	} finally {
1162	>	joinPool(p);
1163		}
1164	<	finally {
1165	<	l = one.shutdownNow();
1164	>	}
1165	>
1166	>	/**
1167	>	* executor using DiscardPolicy drops task if saturated.
1168	>	*/
1169	>	public void testSaturatedExecute3() {
1170	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1171	>	final ThreadPoolExecutor p =
1172	>	new ThreadPoolExecutor(1, 1,
1173	>	LONG_DELAY_MS, MILLISECONDS,
1174	>	new ArrayBlockingQueue<Runnable>(1),
1175	>	h);
1176	>	try {
1177	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1178	>	for (int i = 0; i < tasks.length; ++i)
1179	>	tasks[i] = new TrackedNoOpRunnable();
1180	>	p.execute(new TrackedLongRunnable());
1181	>	for (TrackedNoOpRunnable task : tasks)
1182	>	p.execute(task);
1183	>	for (TrackedNoOpRunnable task : tasks)
1184	>	assertFalse(task.done);
1185	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1186	>	} finally {
1187	>	joinPool(p);
1188		}
257	–	assertTrue(one.isShutdown());
258	–	assertTrue(l.size() <= 4);
1189		}
1190
1191	<
1192	<
1193	<
1194	<
1195	<
1196	<	// Exception Tests
1197	<
1191	>	/**
1192	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1193	>	*/
1194	>	public void testSaturatedExecute4() {
1195	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1196	>	final ThreadPoolExecutor p =
1197	>	new ThreadPoolExecutor(1, 1,
1198	>	LONG_DELAY_MS, MILLISECONDS,
1199	>	new ArrayBlockingQueue<Runnable>(1),
1200	>	h);
1201	>	try {
1202	>	p.execute(new TrackedLongRunnable());
1203	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1204	>	p.execute(r2);
1205	>	assertTrue(p.getQueue().contains(r2));
1206	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1207	>	p.execute(r3);
1208	>	assertFalse(p.getQueue().contains(r2));
1209	>	assertTrue(p.getQueue().contains(r3));
1210	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1211	>	} finally {
1212	>	joinPool(p);
1213	>	}
1214	>	}
1215
1216	<	//---- Tests if corePoolSize argument is less than zero
1217	<	public void testConstructor1() {
1218	<	try{
1219	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1220	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1216	>	/**
1217	>	* execute throws RejectedExecutionException if shutdown
1218	>	*/
1219	>	public void testRejectedExecutionExceptionOnShutdown() {
1220	>	ThreadPoolExecutor p =
1221	>	new ThreadPoolExecutor(1, 1,
1222	>	LONG_DELAY_MS, MILLISECONDS,
1223	>	new ArrayBlockingQueue<Runnable>(1));
1224	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1225	>	try {
1226	>	p.execute(new NoOpRunnable());
1227	>	shouldThrow();
1228	>	} catch (RejectedExecutionException success) {}
1229	>
1230	>	joinPool(p);
1231	>	}
1232	>
1233	>	/**
1234	>	* execute using CallerRunsPolicy drops task on shutdown
1235	>	*/
1236	>	public void testCallerRunsOnShutdown() {
1237	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1238	>	final ThreadPoolExecutor p =
1239	>	new ThreadPoolExecutor(1, 1,
1240	>	LONG_DELAY_MS, MILLISECONDS,
1241	>	new ArrayBlockingQueue<Runnable>(1), h);
1242	>
1243	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1244	>	try {
1245	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1246	>	p.execute(r);
1247	>	assertFalse(r.done);
1248	>	} finally {
1249	>	joinPool(p);
1250		}
275	–	catch (IllegalArgumentException i){}
1251		}
1252	<
1253	<	//---- Tests if maximumPoolSize is less than zero
1254	<	public void testConstructor2() {
1255	<	try{
1256	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1257	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1252	>
1253	>	/**
1254	>	* execute using DiscardPolicy drops task on shutdown
1255	>	*/
1256	>	public void testDiscardOnShutdown() {
1257	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1258	>	ThreadPoolExecutor p =
1259	>	new ThreadPoolExecutor(1, 1,
1260	>	LONG_DELAY_MS, MILLISECONDS,
1261	>	new ArrayBlockingQueue<Runnable>(1),
1262	>	h);
1263	>
1264	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1265	>	try {
1266	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1267	>	p.execute(r);
1268	>	assertFalse(r.done);
1269	>	} finally {
1270	>	joinPool(p);
1271		}
284	–	catch (IllegalArgumentException i2){}
1272		}
1273	<
1274	<	//---- Tests if maximumPoolSize is equal to zero
1275	<	public void testConstructor3() {
1276	<	try{
1277	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1278	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1273	>
1274	>	/**
1275	>	* execute using DiscardOldestPolicy drops task on shutdown
1276	>	*/
1277	>	public void testDiscardOldestOnShutdown() {
1278	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1279	>	ThreadPoolExecutor p =
1280	>	new ThreadPoolExecutor(1, 1,
1281	>	LONG_DELAY_MS, MILLISECONDS,
1282	>	new ArrayBlockingQueue<Runnable>(1),
1283	>	h);
1284	>
1285	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1286	>	try {
1287	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1288	>	p.execute(r);
1289	>	assertFalse(r.done);
1290	>	} finally {
1291	>	joinPool(p);
1292		}
293	–	catch (IllegalArgumentException i3){}
1293		}
1294
1295	<	//---- Tests if keepAliveTime is less than zero
1296	<	public void testConstructor4() {
1297	<	try{
1298	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1299	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1295	>	/**
1296	>	* execute(null) throws NPE
1297	>	*/
1298	>	public void testExecuteNull() {
1299	>	ThreadPoolExecutor p =
1300	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302	>	try {
1303	>	p.execute(null);
1304	>	shouldThrow();
1305	>	} catch (NullPointerException success) {}
1306	>
1307	>	joinPool(p);
1308	>	}
1309	>
1310	>	/**
1311	>	* setCorePoolSize of negative value throws IllegalArgumentException
1312	>	*/
1313	>	public void testCorePoolSizeIllegalArgumentException() {
1314	>	ThreadPoolExecutor p =
1315	>	new ThreadPoolExecutor(1, 2,
1316	>	LONG_DELAY_MS, MILLISECONDS,
1317	>	new ArrayBlockingQueue<Runnable>(10));
1318	>	try {
1319	>	p.setCorePoolSize(-1);
1320	>	shouldThrow();
1321	>	} catch (IllegalArgumentException success) {
1322	>	} finally {
1323	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1324		}
1325	<	catch (IllegalArgumentException i4){}
1325	>	joinPool(p);
1326		}
1327
1328	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1329	<	public void testConstructor5() {
1330	<	try{
1331	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1332	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1328	>	/**
1329	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1330	>	* given a value less the core pool size
1331	>	*/
1332	>	public void testMaximumPoolSizeIllegalArgumentException() {
1333	>	ThreadPoolExecutor p =
1334	>	new ThreadPoolExecutor(2, 3,
1335	>	LONG_DELAY_MS, MILLISECONDS,
1336	>	new ArrayBlockingQueue<Runnable>(10));
1337	>	try {
1338	>	p.setMaximumPoolSize(1);
1339	>	shouldThrow();
1340	>	} catch (IllegalArgumentException success) {
1341	>	} finally {
1342	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1343		}
1344	<	catch (IllegalArgumentException i5){}
1344	>	joinPool(p);
1345		}
1346	<
1347	<	//---- Tests if workQueue is set to null
1348	<	public void testNullPointerException() {
1349	<	try{
1350	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
1351	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1346	>
1347	>	/**
1348	>	* setMaximumPoolSize throws IllegalArgumentException
1349	>	* if given a negative value
1350	>	*/
1351	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1352	>	ThreadPoolExecutor p =
1353	>	new ThreadPoolExecutor(2, 3,
1354	>	LONG_DELAY_MS, MILLISECONDS,
1355	>	new ArrayBlockingQueue<Runnable>(10));
1356	>	try {
1357	>	p.setMaximumPoolSize(-1);
1358	>	shouldThrow();
1359	>	} catch (IllegalArgumentException success) {
1360	>	} finally {
1361	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1362		}
1363	<	catch (NullPointerException n){}
1363	>	joinPool(p);
1364		}
322	–
1365
1366	<
1367	<	//---- Tests if corePoolSize argument is less than zero
1368	<	public void testConstructor6() {
1369	<	try{
1370	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1371	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1372	<	} catch (IllegalArgumentException i6){}
1366	>	/**
1367	>	* Configuration changes that allow core pool size greater than
1368	>	* max pool size result in IllegalArgumentException.
1369	>	*/
1370	>	public void testPoolSizeInvariants() {
1371	>	ThreadPoolExecutor p =
1372	>	new ThreadPoolExecutor(1, 1,
1373	>	LONG_DELAY_MS, MILLISECONDS,
1374	>	new ArrayBlockingQueue<Runnable>(10));
1375	>	for (int s = 1; s < 5; s++) {
1376	>	p.setMaximumPoolSize(s);
1377	>	p.setCorePoolSize(s);
1378	>	try {
1379	>	p.setMaximumPoolSize(s - 1);
1380	>	shouldThrow();
1381	>	} catch (IllegalArgumentException success) {}
1382	>	assertEquals(s, p.getCorePoolSize());
1383	>	assertEquals(s, p.getMaximumPoolSize());
1384	>	try {
1385	>	p.setCorePoolSize(s + 1);
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388	>	assertEquals(s, p.getCorePoolSize());
1389	>	assertEquals(s, p.getMaximumPoolSize());
1390	>	}
1391	>	joinPool(p);
1392		}
1393	<
1394	<	//---- Tests if maximumPoolSize is less than zero
1395	<	public void testConstructor7() {
1396	<	try{
1397	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1398	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1393	>
1394	>	/**
1395	>	* setKeepAliveTime throws IllegalArgumentException
1396	>	* when given a negative value
1397	>	*/
1398	>	public void testKeepAliveTimeIllegalArgumentException() {
1399	>	ThreadPoolExecutor p =
1400	>	new ThreadPoolExecutor(2, 3,
1401	>	LONG_DELAY_MS, MILLISECONDS,
1402	>	new ArrayBlockingQueue<Runnable>(10));
1403	>	try {
1404	>	p.setKeepAliveTime(-1,MILLISECONDS);
1405	>	shouldThrow();
1406	>	} catch (IllegalArgumentException success) {
1407	>	} finally {
1408	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1409		}
1410	<	catch (IllegalArgumentException i7){}
1410	>	joinPool(p);
1411		}
1412
1413	<	//---- Tests if maximumPoolSize is equal to zero
1414	<	public void testConstructor8() {
1415	<	try{
1416	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1417	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1413	>	/**
1414	>	* terminated() is called on termination
1415	>	*/
1416	>	public void testTerminated() {
1417	>	ExtendedTPE p = new ExtendedTPE();
1418	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1419	>	assertTrue(p.terminatedCalled());
1420	>	joinPool(p);
1421	>	}
1422	>
1423	>	/**
1424	>	* beforeExecute and afterExecute are called when executing task
1425	>	*/
1426	>	public void testBeforeAfter() throws InterruptedException {
1427	>	ExtendedTPE p = new ExtendedTPE();
1428	>	try {
1429	>	final CountDownLatch done = new CountDownLatch(1);
1430	>	p.execute(new CheckedRunnable() {
1431	>	public void realRun() {
1432	>	done.countDown();
1433	>	}});
1434	>	await(p.afterCalled);
1435	>	assertEquals(0, done.getCount());
1436	>	assertTrue(p.afterCalled());
1437	>	assertTrue(p.beforeCalled());
1438	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1439	>	} finally {
1440	>	joinPool(p);
1441		}
348	–	catch (IllegalArgumentException i8){}
1442		}
1443
1444	<	//---- Tests if keepAliveTime is less than zero
1445	<	public void testConstructor9() {
1446	<	try{
1447	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1448	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1444	>	/**
1445	>	* completed submit of callable returns result
1446	>	*/
1447	>	public void testSubmitCallable() throws Exception {
1448	>	ExecutorService e =
1449	>	new ThreadPoolExecutor(2, 2,
1450	>	LONG_DELAY_MS, MILLISECONDS,
1451	>	new ArrayBlockingQueue<Runnable>(10));
1452	>	try {
1453	>	Future<String> future = e.submit(new StringTask());
1454	>	String result = future.get();
1455	>	assertSame(TEST_STRING, result);
1456	>	} finally {
1457	>	joinPool(e);
1458		}
357	–	catch (IllegalArgumentException i9){}
1459		}
1460
1461	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1462	<	public void testConstructor10() {
1463	<	try{
1464	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1465	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1461	>	/**
1462	>	* completed submit of runnable returns successfully
1463	>	*/
1464	>	public void testSubmitRunnable() throws Exception {
1465	>	ExecutorService e =
1466	>	new ThreadPoolExecutor(2, 2,
1467	>	LONG_DELAY_MS, MILLISECONDS,
1468	>	new ArrayBlockingQueue<Runnable>(10));
1469	>	try {
1470	>	Future<?> future = e.submit(new NoOpRunnable());
1471	>	future.get();
1472	>	assertTrue(future.isDone());
1473	>	} finally {
1474	>	joinPool(e);
1475		}
366	–	catch (IllegalArgumentException i10){}
1476		}
1477
1478	<	//---- Tests if workQueue is set to null
1479	<	public void testNullPointerException2() {
1480	<	try{
1481	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1482	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1478	>	/**
1479	>	* completed submit of (runnable, result) returns result
1480	>	*/
1481	>	public void testSubmitRunnable2() throws Exception {
1482	>	ExecutorService e =
1483	>	new ThreadPoolExecutor(2, 2,
1484	>	LONG_DELAY_MS, MILLISECONDS,
1485	>	new ArrayBlockingQueue<Runnable>(10));
1486	>	try {
1487	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1488	>	String result = future.get();
1489	>	assertSame(TEST_STRING, result);
1490	>	} finally {
1491	>	joinPool(e);
1492		}
375	–	catch (NullPointerException n2){}
1493		}
1494
1495	<	//---- Tests if threadFactory is set to null
1496	<	public void testNullPointerException3() {
1497	<	try{
1498	<	ThreadFactory f = null;
1499	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1500	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1495	>	/**
1496	>	* invokeAny(null) throws NPE
1497	>	*/
1498	>	public void testInvokeAny1() throws Exception {
1499	>	ExecutorService e =
1500	>	new ThreadPoolExecutor(2, 2,
1501	>	LONG_DELAY_MS, MILLISECONDS,
1502	>	new ArrayBlockingQueue<Runnable>(10));
1503	>	try {
1504	>	e.invokeAny(null);
1505	>	shouldThrow();
1506	>	} catch (NullPointerException success) {
1507	>	} finally {
1508	>	joinPool(e);
1509		}
385	–	catch (NullPointerException n3){}
1510		}
1511	<
1512	<
1513	<	//---- Tests if corePoolSize argument is less than zero
1514	<	public void testConstructor11() {
1515	<	try{
1516	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1517	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1511	>
1512	>	/**
1513	>	* invokeAny(empty collection) throws IAE
1514	>	*/
1515	>	public void testInvokeAny2() throws Exception {
1516	>	ExecutorService e =
1517	>	new ThreadPoolExecutor(2, 2,
1518	>	LONG_DELAY_MS, MILLISECONDS,
1519	>	new ArrayBlockingQueue<Runnable>(10));
1520	>	try {
1521	>	e.invokeAny(new ArrayList<Callable<String>>());
1522	>	shouldThrow();
1523	>	} catch (IllegalArgumentException success) {
1524	>	} finally {
1525	>	joinPool(e);
1526		}
395	–	catch (IllegalArgumentException i11){}
1527		}
1528
1529	<	//---- Tests if maximumPoolSize is less than zero
1530	<	public void testConstructor12() {
1531	<	try{
1532	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1533	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1529	>	/**
1530	>	* invokeAny(c) throws NPE if c has null elements
1531	>	*/
1532	>	public void testInvokeAny3() throws Exception {
1533	>	final CountDownLatch latch = new CountDownLatch(1);
1534	>	final ExecutorService e =
1535	>	new ThreadPoolExecutor(2, 2,
1536	>	LONG_DELAY_MS, MILLISECONDS,
1537	>	new ArrayBlockingQueue<Runnable>(10));
1538	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1539	>	l.add(latchAwaitingStringTask(latch));
1540	>	l.add(null);
1541	>	try {
1542	>	e.invokeAny(l);
1543	>	shouldThrow();
1544	>	} catch (NullPointerException success) {
1545	>	} finally {
1546	>	latch.countDown();
1547	>	joinPool(e);
1548		}
404	–	catch (IllegalArgumentException i12){}
1549		}
1550
1551	<	//---- Tests if maximumPoolSize is equal to zero
1552	<	public void testConstructor13() {
1553	<	try{
1554	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1555	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1551	>	/**
1552	>	* invokeAny(c) throws ExecutionException if no task completes
1553	>	*/
1554	>	public void testInvokeAny4() throws Exception {
1555	>	ExecutorService e =
1556	>	new ThreadPoolExecutor(2, 2,
1557	>	LONG_DELAY_MS, MILLISECONDS,
1558	>	new ArrayBlockingQueue<Runnable>(10));
1559	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1560	>	l.add(new NPETask());
1561	>	try {
1562	>	e.invokeAny(l);
1563	>	shouldThrow();
1564	>	} catch (ExecutionException success) {
1565	>	assertTrue(success.getCause() instanceof NullPointerException);
1566	>	} finally {
1567	>	joinPool(e);
1568		}
413	–	catch (IllegalArgumentException i13){}
1569		}
1570
1571	<	//---- Tests if keepAliveTime is less than zero
1572	<	public void testConstructor14() {
1573	<	try{
1574	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1575	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1571	>	/**
1572	>	* invokeAny(c) returns result of some task
1573	>	*/
1574	>	public void testInvokeAny5() throws Exception {
1575	>	ExecutorService e =
1576	>	new ThreadPoolExecutor(2, 2,
1577	>	LONG_DELAY_MS, MILLISECONDS,
1578	>	new ArrayBlockingQueue<Runnable>(10));
1579	>	try {
1580	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1581	>	l.add(new StringTask());
1582	>	l.add(new StringTask());
1583	>	String result = e.invokeAny(l);
1584	>	assertSame(TEST_STRING, result);
1585	>	} finally {
1586	>	joinPool(e);
1587		}
422	–	catch (IllegalArgumentException i14){}
1588		}
1589
1590	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1591	<	public void testConstructor15() {
1592	<	try{
1593	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1594	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1590	>	/**
1591	>	* invokeAll(null) throws NPE
1592	>	*/
1593	>	public void testInvokeAll1() throws Exception {
1594	>	ExecutorService e =
1595	>	new ThreadPoolExecutor(2, 2,
1596	>	LONG_DELAY_MS, MILLISECONDS,
1597	>	new ArrayBlockingQueue<Runnable>(10));
1598	>	try {
1599	>	e.invokeAll(null);
1600	>	shouldThrow();
1601	>	} catch (NullPointerException success) {
1602	>	} finally {
1603	>	joinPool(e);
1604		}
431	–	catch (IllegalArgumentException i15){}
1605		}
1606
1607	<	//---- Tests if workQueue is set to null
1608	<	public void testNullPointerException4() {
1609	<	try{
1610	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1611	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1607	>	/**
1608	>	* invokeAll(empty collection) returns empty collection
1609	>	*/
1610	>	public void testInvokeAll2() throws InterruptedException {
1611	>	ExecutorService e =
1612	>	new ThreadPoolExecutor(2, 2,
1613	>	LONG_DELAY_MS, MILLISECONDS,
1614	>	new ArrayBlockingQueue<Runnable>(10));
1615	>	try {
1616	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1617	>	assertTrue(r.isEmpty());
1618	>	} finally {
1619	>	joinPool(e);
1620		}
440	–	catch (NullPointerException n4){}
1621		}
1622
1623	<	//---- Tests if handler is set to null
1624	<	public void testNullPointerException5() {
1625	<	try{
1626	<	RejectedExecutionHandler r = null;
1627	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1628	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1623	>	/**
1624	>	* invokeAll(c) throws NPE if c has null elements
1625	>	*/
1626	>	public void testInvokeAll3() 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	>	l.add(null);
1634	>	try {
1635	>	e.invokeAll(l);
1636	>	shouldThrow();
1637	>	} catch (NullPointerException success) {
1638	>	} finally {
1639	>	joinPool(e);
1640		}
450	–	catch (NullPointerException n5){}
1641		}
1642
1643	<
1644	<	//---- Tests if corePoolSize argument is less than zero
1645	<	public void testConstructor16() {
1646	<	try{
1647	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1648	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1643	>	/**
1644	>	* get of element of invokeAll(c) throws exception on failed task
1645	>	*/
1646	>	public void testInvokeAll4() throws Exception {
1647	>	ExecutorService e =
1648	>	new ThreadPoolExecutor(2, 2,
1649	>	LONG_DELAY_MS, MILLISECONDS,
1650	>	new ArrayBlockingQueue<Runnable>(10));
1651	>	try {
1652	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1653	>	l.add(new NPETask());
1654	>	List<Future<String>> futures = e.invokeAll(l);
1655	>	assertEquals(1, futures.size());
1656	>	try {
1657	>	futures.get(0).get();
1658	>	shouldThrow();
1659	>	} catch (ExecutionException success) {
1660	>	assertTrue(success.getCause() instanceof NullPointerException);
1661	>	}
1662	>	} finally {
1663	>	joinPool(e);
1664		}
460	–	catch (IllegalArgumentException i16){}
1665		}
1666
1667	<	//---- Tests if maximumPoolSize is less than zero
1668	<	public void testConstructor17() {
1669	<	try{
1670	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1671	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1667	>	/**
1668	>	* invokeAll(c) returns results of all completed tasks
1669	>	*/
1670	>	public void testInvokeAll5() throws Exception {
1671	>	ExecutorService e =
1672	>	new ThreadPoolExecutor(2, 2,
1673	>	LONG_DELAY_MS, MILLISECONDS,
1674	>	new ArrayBlockingQueue<Runnable>(10));
1675	>	try {
1676	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1677	>	l.add(new StringTask());
1678	>	l.add(new StringTask());
1679	>	List<Future<String>> futures = e.invokeAll(l);
1680	>	assertEquals(2, futures.size());
1681	>	for (Future<String> future : futures)
1682	>	assertSame(TEST_STRING, future.get());
1683	>	} finally {
1684	>	joinPool(e);
1685		}
469	–	catch (IllegalArgumentException i17){}
1686		}
1687
1688	<	//---- Tests if maximumPoolSize is equal to zero
1689	<	public void testConstructor18() {
1690	<	try{
1691	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1692	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1688	>	/**
1689	>	* timed invokeAny(null) throws NPE
1690	>	*/
1691	>	public void testTimedInvokeAny1() throws Exception {
1692	>	ExecutorService e =
1693	>	new ThreadPoolExecutor(2, 2,
1694	>	LONG_DELAY_MS, MILLISECONDS,
1695	>	new ArrayBlockingQueue<Runnable>(10));
1696	>	try {
1697	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1698	>	shouldThrow();
1699	>	} catch (NullPointerException success) {
1700	>	} finally {
1701	>	joinPool(e);
1702		}
478	–	catch (IllegalArgumentException i18){}
1703		}
1704
1705	<	//---- Tests if keepAliveTime is less than zero
1706	<	public void testConstructor19() {
1707	<	try{
1708	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1709	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1705	>	/**
1706	>	* timed invokeAny(,,null) throws NPE
1707	>	*/
1708	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1709	>	ExecutorService e =
1710	>	new ThreadPoolExecutor(2, 2,
1711	>	LONG_DELAY_MS, MILLISECONDS,
1712	>	new ArrayBlockingQueue<Runnable>(10));
1713	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1714	>	l.add(new StringTask());
1715	>	try {
1716	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1717	>	shouldThrow();
1718	>	} catch (NullPointerException success) {
1719	>	} finally {
1720	>	joinPool(e);
1721		}
487	–	catch (IllegalArgumentException i19){}
1722		}
1723
1724	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1725	<	public void testConstructor20() {
1726	<	try{
1727	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1728	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1724	>	/**
1725	>	* timed invokeAny(empty collection) throws IAE
1726	>	*/
1727	>	public void testTimedInvokeAny2() throws Exception {
1728	>	ExecutorService e =
1729	>	new ThreadPoolExecutor(2, 2,
1730	>	LONG_DELAY_MS, MILLISECONDS,
1731	>	new ArrayBlockingQueue<Runnable>(10));
1732	>	try {
1733	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1734	>	shouldThrow();
1735	>	} catch (IllegalArgumentException success) {
1736	>	} finally {
1737	>	joinPool(e);
1738	>	}
1739	>	}
1740	>
1741	>	/**
1742	>	* timed invokeAny(c) throws NPE if c has null elements
1743	>	*/
1744	>	public void testTimedInvokeAny3() throws Exception {
1745	>	final CountDownLatch latch = new CountDownLatch(1);
1746	>	final ExecutorService e =
1747	>	new ThreadPoolExecutor(2, 2,
1748	>	LONG_DELAY_MS, MILLISECONDS,
1749	>	new ArrayBlockingQueue<Runnable>(10));
1750	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1751	>	l.add(latchAwaitingStringTask(latch));
1752	>	l.add(null);
1753	>	try {
1754	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1755	>	shouldThrow();
1756	>	} catch (NullPointerException success) {
1757	>	} finally {
1758	>	latch.countDown();
1759	>	joinPool(e);
1760	>	}
1761	>	}
1762	>
1763	>	/**
1764	>	* timed invokeAny(c) throws ExecutionException if no task completes
1765	>	*/
1766	>	public void testTimedInvokeAny4() throws Exception {
1767	>	ExecutorService e =
1768	>	new ThreadPoolExecutor(2, 2,
1769	>	LONG_DELAY_MS, MILLISECONDS,
1770	>	new ArrayBlockingQueue<Runnable>(10));
1771	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1772	>	l.add(new NPETask());
1773	>	try {
1774	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1775	>	shouldThrow();
1776	>	} catch (ExecutionException success) {
1777	>	assertTrue(success.getCause() instanceof NullPointerException);
1778	>	} finally {
1779	>	joinPool(e);
1780	>	}
1781	>	}
1782	>
1783	>	/**
1784	>	* timed invokeAny(c) returns result of some task
1785	>	*/
1786	>	public void testTimedInvokeAny5() throws Exception {
1787	>	ExecutorService e =
1788	>	new ThreadPoolExecutor(2, 2,
1789	>	LONG_DELAY_MS, MILLISECONDS,
1790	>	new ArrayBlockingQueue<Runnable>(10));
1791	>	try {
1792	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1793	>	l.add(new StringTask());
1794	>	l.add(new StringTask());
1795	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1796	>	assertSame(TEST_STRING, result);
1797	>	} finally {
1798	>	joinPool(e);
1799		}
496	–	catch (IllegalArgumentException i20){}
1800		}
1801
1802	<	//---- Tests if workQueue is set to null
1803	<	public void testNullPointerException6() {
1804	<	try{
1805	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1806	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1802	>	/**
1803	>	* timed invokeAll(null) throws NPE
1804	>	*/
1805	>	public void testTimedInvokeAll1() throws Exception {
1806	>	ExecutorService e =
1807	>	new ThreadPoolExecutor(2, 2,
1808	>	LONG_DELAY_MS, MILLISECONDS,
1809	>	new ArrayBlockingQueue<Runnable>(10));
1810	>	try {
1811	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1812	>	shouldThrow();
1813	>	} catch (NullPointerException success) {
1814	>	} finally {
1815	>	joinPool(e);
1816		}
505	–	catch (NullPointerException n6){}
1817		}
1818
1819	<	//---- Tests if handler is set to null
1820	<	public void testNullPointerException7() {
1821	<	try{
1822	<	RejectedExecutionHandler r = null;
1823	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1824	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1819	>	/**
1820	>	* timed invokeAll(,,null) throws NPE
1821	>	*/
1822	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1823	>	ExecutorService e =
1824	>	new ThreadPoolExecutor(2, 2,
1825	>	LONG_DELAY_MS, MILLISECONDS,
1826	>	new ArrayBlockingQueue<Runnable>(10));
1827	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1828	>	l.add(new StringTask());
1829	>	try {
1830	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1831	>	shouldThrow();
1832	>	} catch (NullPointerException success) {
1833	>	} finally {
1834	>	joinPool(e);
1835		}
515	–	catch (NullPointerException n7){}
1836		}
1837
1838	<	//---- Tests if ThradFactory is set top null
1839	<	public void testNullPointerException8() {
1840	<	try{
1841	<	ThreadFactory f = null;
1842	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1843	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1838	>	/**
1839	>	* timed invokeAll(empty collection) returns empty collection
1840	>	*/
1841	>	public void testTimedInvokeAll2() throws InterruptedException {
1842	>	ExecutorService e =
1843	>	new ThreadPoolExecutor(2, 2,
1844	>	LONG_DELAY_MS, MILLISECONDS,
1845	>	new ArrayBlockingQueue<Runnable>(10));
1846	>	try {
1847	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1848	>	assertTrue(r.isEmpty());
1849	>	} finally {
1850	>	joinPool(e);
1851		}
525	–	catch (NullPointerException n8){}
1852		}
527	–
1853
1854		/**
1855	<	*  Test to verify execute will throw RejectedExcutionException
531	<	*  ThreadPoolExecutor will throw one when more runnables are
532	<	*  executed then will fit in the Queue.
1855	>	* timed invokeAll(c) throws NPE if c has null elements
1856		*/
1857	<	public void testRejectedExecutedException(){
1858	<	ThreadPoolExecutor tpe = null;
1859	<	try{
1860	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1861	<	} catch(Exception e){}
1862	<	tpe.shutdown();
1863	<	try{
1864	<	tpe.execute(new Runnable(){
1865	<	public void run(){
1866	<	try{
1867	<	Thread.sleep(1000);
1868	<	} catch(InterruptedException e){}
1869	<	}
1870	<	});
1871	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	<	} catch(RejectedExecutionException success){}
550	<
551	<
1857	>	public void testTimedInvokeAll3() throws Exception {
1858	>	ExecutorService e =
1859	>	new ThreadPoolExecutor(2, 2,
1860	>	LONG_DELAY_MS, MILLISECONDS,
1861	>	new ArrayBlockingQueue<Runnable>(10));
1862	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1863	>	l.add(new StringTask());
1864	>	l.add(null);
1865	>	try {
1866	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1867	>	shouldThrow();
1868	>	} catch (NullPointerException success) {
1869	>	} finally {
1870	>	joinPool(e);
1871	>	}
1872		}
1873	<
1873	>
1874		/**
1875	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	<	*  when given a negative
1875	>	* get of element of invokeAll(c) throws exception on failed task
1876		*/
1877	<	public void testIllegalArgumentException1(){
1878	<	ThreadPoolExecutor tpe = null;
1879	<	try{
1880	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1881	<	} catch(Exception e){}
1882	<	try{
1883	<	tpe.setCorePoolSize(-1);
1884	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1885	<	} catch(IllegalArgumentException success){
1877	>	public void testTimedInvokeAll4() throws Exception {
1878	>	ExecutorService e =
1879	>	new ThreadPoolExecutor(2, 2,
1880	>	LONG_DELAY_MS, MILLISECONDS,
1881	>	new ArrayBlockingQueue<Runnable>(10));
1882	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1883	>	l.add(new NPETask());
1884	>	List<Future<String>> futures =
1885	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1886	>	assertEquals(1, futures.size());
1887	>	try {
1888	>	futures.get(0).get();
1889	>	shouldThrow();
1890	>	} catch (ExecutionException success) {
1891	>	assertTrue(success.getCause() instanceof NullPointerException);
1892		} finally {
1893	<	tpe.shutdown();
1893	>	joinPool(e);
1894		}
1895	<	}
1895	>	}
1896
572	–
1897		/**
1898	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1899	<	*  if given a value less the it's actual core pool size
1900	<	*/
1901	<	public void testIllegalArgumentException2(){
1902	<	ThreadPoolExecutor tpe = null;
1903	<	try{
1904	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1905	<	} catch(Exception e){}
1906	<	try{
1907	<	tpe.setMaximumPoolSize(1);
1908	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1909	<	} catch(IllegalArgumentException success){
1898	>	* timed invokeAll(c) returns results of all completed tasks
1899	>	*/
1900	>	public void testTimedInvokeAll5() throws Exception {
1901	>	ExecutorService e =
1902	>	new ThreadPoolExecutor(2, 2,
1903	>	LONG_DELAY_MS, MILLISECONDS,
1904	>	new ArrayBlockingQueue<Runnable>(10));
1905	>	try {
1906	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1907	>	l.add(new StringTask());
1908	>	l.add(new StringTask());
1909	>	List<Future<String>> futures =
1910	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1911	>	assertEquals(2, futures.size());
1912	>	for (Future<String> future : futures)
1913	>	assertSame(TEST_STRING, future.get());
1914		} finally {
1915	<	tpe.shutdown();
1915	>	joinPool(e);
1916		}
1917		}
1918	<
1918	>
1919		/**
1920	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	<	*  if given a negative number
1920	>	* timed invokeAll(c) cancels tasks not completed by timeout
1921		*/
1922	<	public void testIllegalArgumentException2SP(){
1923	<	ThreadPoolExecutor tpe = null;
1924	<	try{
1925	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1926	<	} catch(Exception e){}
1927	<	try{
1928	<	tpe.setMaximumPoolSize(-1);
1929	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1930	<	} catch(IllegalArgumentException success){
1922	>	public void testTimedInvokeAll6() throws Exception {
1923	>	ExecutorService e =
1924	>	new ThreadPoolExecutor(2, 2,
1925	>	LONG_DELAY_MS, MILLISECONDS,
1926	>	new ArrayBlockingQueue<Runnable>(10));
1927	>	try {
1928	>	for (long timeout = timeoutMillis();;) {
1929	>	List<Callable<String>> tasks = new ArrayList<>();
1930	>	tasks.add(new StringTask("0"));
1931	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1932	>	tasks.add(new StringTask("2"));
1933	>	long startTime = System.nanoTime();
1934	>	List<Future<String>> futures =
1935	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1936	>	assertEquals(tasks.size(), futures.size());
1937	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1938	>	for (Future future : futures)
1939	>	assertTrue(future.isDone());
1940	>	assertTrue(futures.get(1).isCancelled());
1941	>	try {
1942	>	assertEquals("0", futures.get(0).get());
1943	>	assertEquals("2", futures.get(2).get());
1944	>	break;
1945	>	} catch (CancellationException retryWithLongerTimeout) {
1946	>	timeout *= 2;
1947	>	if (timeout >= LONG_DELAY_MS / 2)
1948	>	fail("expected exactly one task to be cancelled");
1949	>	}
1950	>	}
1951		} finally {
1952	<	tpe.shutdown();
1952	>	joinPool(e);
1953		}
1954		}
608	–
1955
1956		/**
1957	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
1958	<	*  when given a negative value
1957	>	* Execution continues if there is at least one thread even if
1958	>	* thread factory fails to create more
1959		*/
1960	<	public void testIllegalArgumentException3(){
1961	<	ThreadPoolExecutor tpe = null;
1962	<	try{
1963	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1964	<	} catch(Exception e){}
1965	<
1966	<	try{
1967	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1968	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1969	<	} catch(IllegalArgumentException success){
1960	>	public void testFailingThreadFactory() throws InterruptedException {
1961	>	final ExecutorService e =
1962	>	new ThreadPoolExecutor(100, 100,
1963	>	LONG_DELAY_MS, MILLISECONDS,
1964	>	new LinkedBlockingQueue<Runnable>(),
1965	>	new FailingThreadFactory());
1966	>	try {
1967	>	final int TASKS = 100;
1968	>	final CountDownLatch done = new CountDownLatch(TASKS);
1969	>	for (int k = 0; k < TASKS; ++k)
1970	>	e.execute(new CheckedRunnable() {
1971	>	public void realRun() {
1972	>	done.countDown();
1973	>	}});
1974	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1975		} finally {
1976	<	tpe.shutdown();
1976	>	joinPool(e);
1977		}
1978		}
1979	<
1980	<
1981	<
1979	>
1980	>	/**
1981	>	* allowsCoreThreadTimeOut is by default false.
1982	>	*/
1983	>	public void testAllowsCoreThreadTimeOut() {
1984	>	final ThreadPoolExecutor p =
1985	>	new ThreadPoolExecutor(2, 2,
1986	>	1000, MILLISECONDS,
1987	>	new ArrayBlockingQueue<Runnable>(10));
1988	>	assertFalse(p.allowsCoreThreadTimeOut());
1989	>	joinPool(p);
1990	>	}
1991	>
1992	>	/**
1993	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1994	>	*/
1995	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1996	>	long keepAliveTime = timeoutMillis();
1997	>	final ThreadPoolExecutor p =
1998	>	new ThreadPoolExecutor(2, 10,
1999	>	keepAliveTime, MILLISECONDS,
2000	>	new ArrayBlockingQueue<Runnable>(10));
2001	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2002	>	try {
2003	>	p.allowCoreThreadTimeOut(true);
2004	>	p.execute(new CheckedRunnable() {
2005	>	public void realRun() {
2006	>	threadStarted.countDown();
2007	>	assertEquals(1, p.getPoolSize());
2008	>	}});
2009	>	await(threadStarted);
2010	>	delay(keepAliveTime);
2011	>	long startTime = System.nanoTime();
2012	>	while (p.getPoolSize() > 0
2013	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2014	>	Thread.yield();
2015	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2016	>	assertEquals(0, p.getPoolSize());
2017	>	} finally {
2018	>	joinPool(p);
2019	>	}
2020	>	}
2021	>
2022	>	/**
2023	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2024	>	*/
2025	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2026	>	long keepAliveTime = timeoutMillis();
2027	>	final ThreadPoolExecutor p =
2028	>	new ThreadPoolExecutor(2, 10,
2029	>	keepAliveTime, MILLISECONDS,
2030	>	new ArrayBlockingQueue<Runnable>(10));
2031	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2032	>	try {
2033	>	p.allowCoreThreadTimeOut(false);
2034	>	p.execute(new CheckedRunnable() {
2035	>	public void realRun() throws InterruptedException {
2036	>	threadStarted.countDown();
2037	>	assertTrue(p.getPoolSize() >= 1);
2038	>	}});
2039	>	delay(2 * keepAliveTime);
2040	>	assertTrue(p.getPoolSize() >= 1);
2041	>	} finally {
2042	>	joinPool(p);
2043	>	}
2044	>	}
2045	>
2046	>	/**
2047	>	* execute allows the same task to be submitted multiple times, even
2048	>	* if rejected
2049	>	*/
2050	>	public void testRejectedRecycledTask() throws InterruptedException {
2051	>	final int nTasks = 1000;
2052	>	final CountDownLatch done = new CountDownLatch(nTasks);
2053	>	final Runnable recycledTask = new Runnable() {
2054	>	public void run() {
2055	>	done.countDown();
2056	>	}};
2057	>	final ThreadPoolExecutor p =
2058	>	new ThreadPoolExecutor(1, 30,
2059	>	60, SECONDS,
2060	>	new ArrayBlockingQueue(30));
2061	>	try {
2062	>	for (int i = 0; i < nTasks; ++i) {
2063	>	for (;;) {
2064	>	try {
2065	>	p.execute(recycledTask);
2066	>	break;
2067	>	}
2068	>	catch (RejectedExecutionException ignore) {}
2069	>	}
2070	>	}
2071	>	// enough time to run all tasks
2072	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2073	>	} finally {
2074	>	joinPool(p);
2075	>	}
2076	>	}
2077	>
2078	>	/**
2079	>	* get(cancelled task) throws CancellationException
2080	>	*/
2081	>	public void testGet_cancelled() throws Exception {
2082	>	final ExecutorService e =
2083	>	new ThreadPoolExecutor(1, 1,
2084	>	LONG_DELAY_MS, MILLISECONDS,
2085	>	new LinkedBlockingQueue<Runnable>());
2086	>	try {
2087	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2088	>	final CountDownLatch done = new CountDownLatch(1);
2089	>	final List<Future<?>> futures = new ArrayList<>();
2090	>	for (int i = 0; i < 2; i++) {
2091	>	Runnable r = new CheckedRunnable() { public void realRun()
2092	>	throws Throwable {
2093	>	blockerStarted.countDown();
2094	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2095	>	}};
2096	>	futures.add(e.submit(r));
2097	>	}
2098	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2099	>	for (Future<?> future : futures) future.cancel(false);
2100	>	for (Future<?> future : futures) {
2101	>	try {
2102	>	future.get();
2103	>	shouldThrow();
2104	>	} catch (CancellationException success) {}
2105	>	try {
2106	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2107	>	shouldThrow();
2108	>	} catch (CancellationException success) {}
2109	>	assertTrue(future.isCancelled());
2110	>	assertTrue(future.isDone());
2111	>	}
2112	>	done.countDown();
2113	>	} finally {
2114	>	joinPool(e);
2115	>	}
2116	>	}
2117	>
2118		}

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