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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 1.85 by jsr166, Sun Oct 4 02:33:09 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 JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
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	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
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	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97	>	}
98	>
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122	>	}
123	>
124	>	/**
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126	>	*/
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148	>	}
149	>
150	>	/**
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152	>	*/
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170		}
171
172		/**
173	<	* For use as RejectedExecutionHandler in constructors
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175		*/
176	<	static class MyREHandler implements RejectedExecutionHandler{
177	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204		}
205	<
205	>
206	>	/**
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208	>	*/
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217	>	}
218	>
219		/**
220	<	*   execute successfully executes a runnable
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testExecute(){
223	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230	>	}
231	>
232	>	/**
233	>	* getThreadFactory returns factory in constructor if not set
234	>	*/
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246	>	}
247	>
248	>	/**
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250	>	*/
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261	>	}
262	>
263	>	/**
264	>	* setThreadFactory(null) throws NPE
265	>	*/
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276	>	}
277	>	}
278	>
279	>	/**
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281	>	*/
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292	>	}
293	>
294	>	/**
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297	>	*/
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308	>	}
309	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324	>	}
325	>
326	>	/**
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}
353	>
354	>	/**
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
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	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
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(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418	>	}
419	>	}
420	>
421	>	/**
422	>	* isShutdown is false before shutdown, true after
423	>	*/
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>	}
467	>
468	>	/**
469	>	* isTerminated is false before termination, true after
470	>	*/
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isTerminating is not true when running or when terminated
498	>	*/
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521	>	}
522	>	}
523	>
524	>	/**
525	>	* getQueue returns the work queue, which contains queued tasks
526	>	*/
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	final CountDownLatch threadStarted = new CountDownLatch(1);
534	>	final CountDownLatch done = new CountDownLatch(1);
535		try {
536	<	one.execute(new Runnable(){
537	<	public void run(){
538	<	try{
539	<	Thread.sleep(SHORT_DELAY_MS);
540	<	} catch(InterruptedException e){
541	<	fail("unexpected exception");
542	<	}
543	<	}
544	<	});
545	<	Thread.sleep(SMALL_DELAY_MS);
546	<	} catch(InterruptedException e){
547	<	fail("unexpected exception");
548	<	}
549	<	joinPool(one);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	} finally {
554	>	done.countDown();
555	>	joinPool(p);
556	>	}
557		}
558
559		/**
560	<	*   getActiveCount gives correct values
560	>	* remove(task) removes queued task, and fails to remove active task
561		*/
562	<	public void testGetActiveCount(){
563	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
564	<	assertEquals(0, two.getActiveCount());
565	<	two.execute(new MediumRunnable());
566	<	try{
567	<	Thread.sleep(SHORT_DELAY_MS);
568	<	} catch(Exception e){
569	<	fail("unexpected exception");
562	>	public void testRemove() throws InterruptedException {
563	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
564	>	final ThreadPoolExecutor p =
565	>	new ThreadPoolExecutor(1, 1,
566	>	LONG_DELAY_MS, MILLISECONDS,
567	>	q);
568	>	Runnable[] tasks = new Runnable[5];
569	>	final CountDownLatch threadStarted = new CountDownLatch(1);
570	>	final CountDownLatch done = new CountDownLatch(1);
571	>	try {
572	>	for (int i = 0; i < tasks.length; i++) {
573	>	tasks[i] = new CheckedRunnable() {
574	>	public void realRun() throws InterruptedException {
575	>	threadStarted.countDown();
576	>	done.await();
577	>	}};
578	>	p.execute(tasks[i]);
579	>	}
580	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
581	>	assertFalse(p.remove(tasks[0]));
582	>	assertTrue(q.contains(tasks[4]));
583	>	assertTrue(q.contains(tasks[3]));
584	>	assertTrue(p.remove(tasks[4]));
585	>	assertFalse(p.remove(tasks[4]));
586	>	assertFalse(q.contains(tasks[4]));
587	>	assertTrue(q.contains(tasks[3]));
588	>	assertTrue(p.remove(tasks[3]));
589	>	assertFalse(q.contains(tasks[3]));
590	>	} finally {
591	>	done.countDown();
592	>	joinPool(p);
593		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
594		}
595	<
595	>
596		/**
597	<	*   getCompleteTaskCount gives correct values
597	>	* purge removes cancelled tasks from the queue
598		*/
599	<	public void testGetCompletedTaskCount(){
600	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
601	<	assertEquals(0, two.getCompletedTaskCount());
602	<	two.execute(new ShortRunnable());
603	<	try{
604	<	Thread.sleep(MEDIUM_DELAY_MS);
605	<	} catch(Exception e){
606	<	fail("unexpected exception");
599	>	public void testPurge() throws InterruptedException {
600	>	final CountDownLatch threadStarted = new CountDownLatch(1);
601	>	final CountDownLatch done = new CountDownLatch(1);
602	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
603	>	final ThreadPoolExecutor p =
604	>	new ThreadPoolExecutor(1, 1,
605	>	LONG_DELAY_MS, MILLISECONDS,
606	>	q);
607	>	FutureTask[] tasks = new FutureTask[5];
608	>	try {
609	>	for (int i = 0; i < tasks.length; i++) {
610	>	Callable task = new CheckedCallable<Boolean>() {
611	>	public Boolean realCall() throws InterruptedException {
612	>	threadStarted.countDown();
613	>	done.await();
614	>	return Boolean.TRUE;
615	>	}};
616	>	tasks[i] = new FutureTask(task);
617	>	p.execute(tasks[i]);
618	>	}
619	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
620	>	assertEquals(tasks.length, p.getTaskCount());
621	>	assertEquals(tasks.length - 1, q.size());
622	>	assertEquals(1L, p.getActiveCount());
623	>	assertEquals(0L, p.getCompletedTaskCount());
624	>	tasks[4].cancel(true);
625	>	tasks[3].cancel(false);
626	>	p.purge();
627	>	assertEquals(tasks.length - 3, q.size());
628	>	assertEquals(tasks.length - 2, p.getTaskCount());
629	>	p.purge();         // Nothing to do
630	>	assertEquals(tasks.length - 3, q.size());
631	>	assertEquals(tasks.length - 2, p.getTaskCount());
632	>	} finally {
633	>	done.countDown();
634	>	joinPool(p);
635		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
636		}
637	<
637	>
638		/**
639	<	*   getCorePoolSize gives correct values
639	>	* shutdownNow returns a list containing tasks that were not run,
640	>	* and those tasks are drained from the queue
641		*/
642	<	public void testGetCorePoolSize(){
643	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
644	<	assertEquals(1, one.getCorePoolSize());
645	<	joinPool(one);
642	>	public void testShutdownNow() throws InterruptedException {
643	>	final int poolSize = 2;
644	>	final int count = 5;
645	>	final AtomicInteger ran = new AtomicInteger(0);
646	>	final ThreadPoolExecutor p =
647	>	new ThreadPoolExecutor(poolSize, poolSize,
648	>	LONG_DELAY_MS, MILLISECONDS,
649	>	new ArrayBlockingQueue<Runnable>(10));
650	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
651	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
652	>	threadsStarted.countDown();
653	>	try {
654	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
655	>	} catch (InterruptedException success) {}
656	>	ran.getAndIncrement();
657	>	}};
658	>	for (int i = 0; i < count; i++)
659	>	p.execute(waiter);
660	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
661	>	assertEquals(poolSize, p.getActiveCount());
662	>	assertEquals(0, p.getCompletedTaskCount());
663	>	final List<Runnable> queuedTasks;
664	>	try {
665	>	queuedTasks = p.shutdownNow();
666	>	} catch (SecurityException ok) {
667	>	return; // Allowed in case test doesn't have privs
668	>	}
669	>	assertTrue(p.isShutdown());
670	>	assertTrue(p.getQueue().isEmpty());
671	>	assertEquals(count - poolSize, queuedTasks.size());
672	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
673	>	assertTrue(p.isTerminated());
674	>	assertEquals(poolSize, ran.get());
675	>	assertEquals(poolSize, p.getCompletedTaskCount());
676		}
677	<
677	>
678	>	// Exception Tests
679	>
680		/**
681	<	*   getKeepAliveTime gives correct values
681	>	* Constructor throws if corePoolSize argument is less than zero
682		*/
683	<	public void testGetKeepAliveTime(){
684	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
685	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
686	<	joinPool(two);
683	>	public void testConstructor1() {
684	>	try {
685	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
686	>	new ArrayBlockingQueue<Runnable>(10));
687	>	shouldThrow();
688	>	} catch (IllegalArgumentException success) {}
689	>	}
690	>
691	>	/**
692	>	* Constructor throws if maximumPoolSize is less than zero
693	>	*/
694	>	public void testConstructor2() {
695	>	try {
696	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
697	>	new ArrayBlockingQueue<Runnable>(10));
698	>	shouldThrow();
699	>	} catch (IllegalArgumentException success) {}
700	>	}
701	>
702	>	/**
703	>	* Constructor throws if maximumPoolSize is equal to zero
704	>	*/
705	>	public void testConstructor3() {
706	>	try {
707	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
708	>	new ArrayBlockingQueue<Runnable>(10));
709	>	shouldThrow();
710	>	} catch (IllegalArgumentException success) {}
711	>	}
712	>
713	>	/**
714	>	* Constructor throws if keepAliveTime is less than zero
715	>	*/
716	>	public void testConstructor4() {
717	>	try {
718	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
719	>	new ArrayBlockingQueue<Runnable>(10));
720	>	shouldThrow();
721	>	} catch (IllegalArgumentException success) {}
722	>	}
723	>
724	>	/**
725	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
726	>	*/
727	>	public void testConstructor5() {
728	>	try {
729	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
730	>	new ArrayBlockingQueue<Runnable>(10));
731	>	shouldThrow();
732	>	} catch (IllegalArgumentException success) {}
733	>	}
734	>
735	>	/**
736	>	* Constructor throws if workQueue is set to null
737	>	*/
738	>	public void testConstructorNullPointerException() {
739	>	try {
740	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
741	>	(BlockingQueue) null);
742	>	shouldThrow();
743	>	} catch (NullPointerException success) {}
744	>	}
745	>
746	>	/**
747	>	* Constructor throws if corePoolSize argument is less than zero
748	>	*/
749	>	public void testConstructor6() {
750	>	try {
751	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
752	>	new ArrayBlockingQueue<Runnable>(10),
753	>	new SimpleThreadFactory());
754	>	shouldThrow();
755	>	} catch (IllegalArgumentException success) {}
756	>	}
757	>
758	>	/**
759	>	* Constructor throws if maximumPoolSize is less than zero
760	>	*/
761	>	public void testConstructor7() {
762	>	try {
763	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
764	>	new ArrayBlockingQueue<Runnable>(10),
765	>	new SimpleThreadFactory());
766	>	shouldThrow();
767	>	} catch (IllegalArgumentException success) {}
768	>	}
769	>
770	>	/**
771	>	* Constructor throws if maximumPoolSize is equal to zero
772	>	*/
773	>	public void testConstructor8() {
774	>	try {
775	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
776	>	new ArrayBlockingQueue<Runnable>(10),
777	>	new SimpleThreadFactory());
778	>	shouldThrow();
779	>	} catch (IllegalArgumentException success) {}
780	>	}
781	>
782	>	/**
783	>	* Constructor throws if keepAliveTime is less than zero
784	>	*/
785	>	public void testConstructor9() {
786	>	try {
787	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
788	>	new ArrayBlockingQueue<Runnable>(10),
789	>	new SimpleThreadFactory());
790	>	shouldThrow();
791	>	} catch (IllegalArgumentException success) {}
792	>	}
793	>
794	>	/**
795	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
796	>	*/
797	>	public void testConstructor10() {
798	>	try {
799	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
800	>	new ArrayBlockingQueue<Runnable>(10),
801	>	new SimpleThreadFactory());
802	>	shouldThrow();
803	>	} catch (IllegalArgumentException success) {}
804	>	}
805	>
806	>	/**
807	>	* Constructor throws if workQueue is set to null
808	>	*/
809	>	public void testConstructorNullPointerException2() {
810	>	try {
811	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
812	>	(BlockingQueue) null,
813	>	new SimpleThreadFactory());
814	>	shouldThrow();
815	>	} catch (NullPointerException success) {}
816		}
817	<
817	>
818		/**
819	<	*   getLargestPoolSize gives correct values
819	>	* Constructor throws if threadFactory is set to null
820		*/
821	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
821	>	public void testConstructorNullPointerException3() {
822		try {
823	<	assertEquals(0, two.getLargestPoolSize());
824	<	two.execute(new MediumRunnable());
825	<	two.execute(new MediumRunnable());
826	<	Thread.sleep(SHORT_DELAY_MS);
827	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
823	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
824	>	new ArrayBlockingQueue<Runnable>(10),
825	>	(ThreadFactory) null);
826	>	shouldThrow();
827	>	} catch (NullPointerException success) {}
828		}
829	<
829	>
830		/**
831	<	*   getMaximumPoolSize gives correct values
831	>	* Constructor throws if corePoolSize argument is less than zero
832		*/
833	<	public void testGetMaximumPoolSize(){
834	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
835	<	assertEquals(2, two.getMaximumPoolSize());
836	<	joinPool(two);
833	>	public void testConstructor11() {
834	>	try {
835	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
836	>	new ArrayBlockingQueue<Runnable>(10),
837	>	new NoOpREHandler());
838	>	shouldThrow();
839	>	} catch (IllegalArgumentException success) {}
840		}
841	<
841	>
842		/**
843	<	*   getPoolSize gives correct values
843	>	* Constructor throws if maximumPoolSize is less than zero
844		*/
845	<	public void testGetPoolSize(){
846	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
847	<	assertEquals(0, one.getPoolSize());
848	<	one.execute(new MediumRunnable());
849	<	assertEquals(1, one.getPoolSize());
850	<	joinPool(one);
845	>	public void testConstructor12() {
846	>	try {
847	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
848	>	new ArrayBlockingQueue<Runnable>(10),
849	>	new NoOpREHandler());
850	>	shouldThrow();
851	>	} catch (IllegalArgumentException success) {}
852		}
853	<
853	>
854		/**
855	<	*   getTaskCount gives correct values
855	>	* Constructor throws if maximumPoolSize is equal to zero
856		*/
857	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
857	>	public void testConstructor13() {
858		try {
859	<	assertEquals(0, one.getTaskCount());
860	<	for(int i = 0; i < 5; i++)
861	<	one.execute(new MediumRunnable());
862	<	Thread.sleep(SHORT_DELAY_MS);
863	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
859	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
860	>	new ArrayBlockingQueue<Runnable>(10),
861	>	new NoOpREHandler());
862	>	shouldThrow();
863	>	} catch (IllegalArgumentException success) {}
864		}
865	<
865	>
866		/**
867	<	*   isShutDown gives correct values
867	>	* Constructor throws if keepAliveTime is less than zero
868		*/
869	<	public void testIsShutdown(){
870	<
871	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
872	<	assertFalse(one.isShutdown());
873	<	one.shutdown();
874	<	assertTrue(one.isShutdown());
875	<	joinPool(one);
869	>	public void testConstructor14() {
870	>	try {
871	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
872	>	new ArrayBlockingQueue<Runnable>(10),
873	>	new NoOpREHandler());
874	>	shouldThrow();
875	>	} catch (IllegalArgumentException success) {}
876		}
877
175	–
878		/**
879	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
879	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
880		*/
881	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
881	>	public void testConstructor15() {
882		try {
883	<	one.execute(new MediumRunnable());
883	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
884	>	new ArrayBlockingQueue<Runnable>(10),
885	>	new NoOpREHandler());
886	>	shouldThrow();
887	>	} catch (IllegalArgumentException success) {}
888	>	}
889	>
890	>	/**
891	>	* Constructor throws if workQueue is set to null
892	>	*/
893	>	public void testConstructorNullPointerException4() {
894	>	try {
895	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
896	>	(BlockingQueue) null,
897	>	new NoOpREHandler());
898	>	shouldThrow();
899	>	} catch (NullPointerException success) {}
900	>	}
901	>
902	>	/**
903	>	* Constructor throws if handler is set to null
904	>	*/
905	>	public void testConstructorNullPointerException5() {
906	>	try {
907	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
908	>	new ArrayBlockingQueue<Runnable>(10),
909	>	(RejectedExecutionHandler) null);
910	>	shouldThrow();
911	>	} catch (NullPointerException success) {}
912	>	}
913	>
914	>	/**
915	>	* Constructor throws if corePoolSize argument is less than zero
916	>	*/
917	>	public void testConstructor16() {
918	>	try {
919	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
920	>	new ArrayBlockingQueue<Runnable>(10),
921	>	new SimpleThreadFactory(),
922	>	new NoOpREHandler());
923	>	shouldThrow();
924	>	} catch (IllegalArgumentException success) {}
925	>	}
926	>
927	>	/**
928	>	* Constructor throws if maximumPoolSize is less than zero
929	>	*/
930	>	public void testConstructor17() {
931	>	try {
932	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
933	>	new ArrayBlockingQueue<Runnable>(10),
934	>	new SimpleThreadFactory(),
935	>	new NoOpREHandler());
936	>	shouldThrow();
937	>	} catch (IllegalArgumentException success) {}
938	>	}
939	>
940	>	/**
941	>	* Constructor throws if maximumPoolSize is equal to zero
942	>	*/
943	>	public void testConstructor18() {
944	>	try {
945	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
946	>	new ArrayBlockingQueue<Runnable>(10),
947	>	new SimpleThreadFactory(),
948	>	new NoOpREHandler());
949	>	shouldThrow();
950	>	} catch (IllegalArgumentException success) {}
951	>	}
952	>
953	>	/**
954	>	* Constructor throws if keepAliveTime is less than zero
955	>	*/
956	>	public void testConstructor19() {
957	>	try {
958	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
959	>	new ArrayBlockingQueue<Runnable>(10),
960	>	new SimpleThreadFactory(),
961	>	new NoOpREHandler());
962	>	shouldThrow();
963	>	} catch (IllegalArgumentException success) {}
964	>	}
965	>
966	>	/**
967	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
968	>	*/
969	>	public void testConstructor20() {
970	>	try {
971	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
972	>	new ArrayBlockingQueue<Runnable>(10),
973	>	new SimpleThreadFactory(),
974	>	new NoOpREHandler());
975	>	shouldThrow();
976	>	} catch (IllegalArgumentException success) {}
977	>	}
978	>
979	>	/**
980	>	* Constructor throws if workQueue is null
981	>	*/
982	>	public void testConstructorNullPointerException6() {
983	>	try {
984	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
985	>	(BlockingQueue) null,
986	>	new SimpleThreadFactory(),
987	>	new NoOpREHandler());
988	>	shouldThrow();
989	>	} catch (NullPointerException success) {}
990	>	}
991	>
992	>	/**
993	>	* Constructor throws if handler is null
994	>	*/
995	>	public void testConstructorNullPointerException7() {
996	>	try {
997	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
998	>	new ArrayBlockingQueue<Runnable>(10),
999	>	new SimpleThreadFactory(),
1000	>	(RejectedExecutionHandler) null);
1001	>	shouldThrow();
1002	>	} catch (NullPointerException success) {}
1003	>	}
1004	>
1005	>	/**
1006	>	* Constructor throws if ThreadFactory is null
1007	>	*/
1008	>	public void testConstructorNullPointerException8() {
1009	>	try {
1010	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1011	>	new ArrayBlockingQueue<Runnable>(10),
1012	>	(ThreadFactory) null,
1013	>	new NoOpREHandler());
1014	>	shouldThrow();
1015	>	} catch (NullPointerException success) {}
1016	>	}
1017	>
1018	>	/**
1019	>	* get of submitted callable throws InterruptedException if interrupted
1020	>	*/
1021	>	public void testInterruptedSubmit() throws InterruptedException {
1022	>	final ThreadPoolExecutor p =
1023	>	new ThreadPoolExecutor(1, 1,
1024	>	60, SECONDS,
1025	>	new ArrayBlockingQueue<Runnable>(10));
1026	>
1027	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1028	>	final CountDownLatch done = new CountDownLatch(1);
1029	>	try {
1030	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1031	>	public void realRun() throws Exception {
1032	>	Callable task = new CheckedCallable<Boolean>() {
1033	>	public Boolean realCall() throws InterruptedException {
1034	>	threadStarted.countDown();
1035	>	done.await();
1036	>	return Boolean.TRUE;
1037	>	}};
1038	>	p.submit(task).get();
1039	>	}});
1040	>
1041	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1042	>	t.interrupt();
1043	>	awaitTermination(t, MEDIUM_DELAY_MS);
1044		} finally {
1045	<	one.shutdown();
1045	>	done.countDown();
1046	>	joinPool(p);
1047		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1048		}
1049
1050		/**
1051	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1051	>	* execute throws RejectedExecutionException if saturated.
1052		*/
1053	<	public void testPurge(){
1054	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1055	<	CancellableTask[] tasks = new CancellableTask[5];
1056	<	for(int i = 0; i < 5; i++){
1057	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1058	<	one.execute(tasks[i]);
1053	>	public void testSaturatedExecute() {
1054	>	ThreadPoolExecutor p =
1055	>	new ThreadPoolExecutor(1, 1,
1056	>	LONG_DELAY_MS, MILLISECONDS,
1057	>	new ArrayBlockingQueue<Runnable>(1));
1058	>	final CountDownLatch done = new CountDownLatch(1);
1059	>	try {
1060	>	Runnable task = new CheckedRunnable() {
1061	>	public void realRun() throws InterruptedException {
1062	>	done.await();
1063	>	}};
1064	>	for (int i = 0; i < 2; ++i)
1065	>	p.execute(task);
1066	>	for (int i = 0; i < 2; ++i) {
1067	>	try {
1068	>	p.execute(task);
1069	>	shouldThrow();
1070	>	} catch (RejectedExecutionException success) {}
1071	>	assertTrue(p.getTaskCount() <= 2);
1072	>	}
1073	>	} finally {
1074	>	done.countDown();
1075	>	joinPool(p);
1076		}
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);
1077		}
1078
1079		/**
1080	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1080	>	* submit(runnable) throws RejectedExecutionException if saturated.
1081		*/
1082	<	public void testShutDownNow(){
1083	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1084	<	List l;
1082	>	public void testSaturatedSubmitRunnable() {
1083	>	ThreadPoolExecutor p =
1084	>	new ThreadPoolExecutor(1, 1,
1085	>	LONG_DELAY_MS, MILLISECONDS,
1086	>	new ArrayBlockingQueue<Runnable>(1));
1087	>	final CountDownLatch done = new CountDownLatch(1);
1088		try {
1089	<	for(int i = 0; i < 5; i++)
1090	<	one.execute(new MediumPossiblyInterruptedRunnable());
1089	>	Runnable task = new CheckedRunnable() {
1090	>	public void realRun() throws InterruptedException {
1091	>	done.await();
1092	>	}};
1093	>	for (int i = 0; i < 2; ++i)
1094	>	p.submit(task);
1095	>	for (int i = 0; i < 2; ++i) {
1096	>	try {
1097	>	p.execute(task);
1098	>	shouldThrow();
1099	>	} catch (RejectedExecutionException success) {}
1100	>	assertTrue(p.getTaskCount() <= 2);
1101	>	}
1102	>	} finally {
1103	>	done.countDown();
1104	>	joinPool(p);
1105		}
1106	<	finally {
1107	<	l = one.shutdownNow();
1106	>	}
1107	>
1108	>	/**
1109	>	* submit(callable) throws RejectedExecutionException if saturated.
1110	>	*/
1111	>	public void testSaturatedSubmitCallable() {
1112	>	ThreadPoolExecutor p =
1113	>	new ThreadPoolExecutor(1, 1,
1114	>	LONG_DELAY_MS, MILLISECONDS,
1115	>	new ArrayBlockingQueue<Runnable>(1));
1116	>	final CountDownLatch done = new CountDownLatch(1);
1117	>	try {
1118	>	Runnable task = new CheckedRunnable() {
1119	>	public void realRun() throws InterruptedException {
1120	>	done.await();
1121	>	}};
1122	>	for (int i = 0; i < 2; ++i)
1123	>	p.submit(Executors.callable(task));
1124	>	for (int i = 0; i < 2; ++i) {
1125	>	try {
1126	>	p.execute(task);
1127	>	shouldThrow();
1128	>	} catch (RejectedExecutionException success) {}
1129	>	assertTrue(p.getTaskCount() <= 2);
1130	>	}
1131	>	} finally {
1132	>	done.countDown();
1133	>	joinPool(p);
1134		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1135		}
1136
1137	<	// Exception Tests
1138	<
1137	>	/**
1138	>	* executor using CallerRunsPolicy runs task if saturated.
1139	>	*/
1140	>	public void testSaturatedExecute2() {
1141	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1142	>	final ThreadPoolExecutor p =
1143	>	new ThreadPoolExecutor(1, 1,
1144	>	LONG_DELAY_MS,
1145	>	MILLISECONDS,
1146	>	new ArrayBlockingQueue<Runnable>(1),
1147	>	h);
1148	>	try {
1149	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1150	>	for (int i = 0; i < tasks.length; ++i)
1151	>	tasks[i] = new TrackedNoOpRunnable();
1152	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1153	>	p.execute(mr);
1154	>	for (int i = 0; i < tasks.length; ++i)
1155	>	p.execute(tasks[i]);
1156	>	for (int i = 1; i < tasks.length; ++i)
1157	>	assertTrue(tasks[i].done);
1158	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1159	>	} finally {
1160	>	joinPool(p);
1161	>	}
1162	>	}
1163
1164	<	/** Throws if corePoolSize argument is less than zero */
1165	<	public void testConstructor1() {
1166	<	try{
1167	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1168	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1164	>	/**
1165	>	* executor using DiscardPolicy drops task if saturated.
1166	>	*/
1167	>	public void testSaturatedExecute3() {
1168	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1169	>	final ThreadPoolExecutor p =
1170	>	new ThreadPoolExecutor(1, 1,
1171	>	LONG_DELAY_MS, MILLISECONDS,
1172	>	new ArrayBlockingQueue<Runnable>(1),
1173	>	h);
1174	>	try {
1175	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1176	>	for (int i = 0; i < tasks.length; ++i)
1177	>	tasks[i] = new TrackedNoOpRunnable();
1178	>	p.execute(new TrackedLongRunnable());
1179	>	for (TrackedNoOpRunnable task : tasks)
1180	>	p.execute(task);
1181	>	for (TrackedNoOpRunnable task : tasks)
1182	>	assertFalse(task.done);
1183	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1184	>	} finally {
1185	>	joinPool(p);
1186		}
242	–	catch (IllegalArgumentException success){}
1187		}
1188	<
1189	<	/** Throws if maximumPoolSize is less than zero */
1190	<	public void testConstructor2() {
1191	<	try{
1192	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1193	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1188	>
1189	>	/**
1190	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1191	>	*/
1192	>	public void testSaturatedExecute4() {
1193	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1194	>	final ThreadPoolExecutor p =
1195	>	new ThreadPoolExecutor(1, 1,
1196	>	LONG_DELAY_MS, MILLISECONDS,
1197	>	new ArrayBlockingQueue<Runnable>(1),
1198	>	h);
1199	>	try {
1200	>	p.execute(new TrackedLongRunnable());
1201	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1202	>	p.execute(r2);
1203	>	assertTrue(p.getQueue().contains(r2));
1204	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1205	>	p.execute(r3);
1206	>	assertFalse(p.getQueue().contains(r2));
1207	>	assertTrue(p.getQueue().contains(r3));
1208	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1209	>	} finally {
1210	>	joinPool(p);
1211		}
251	–	catch (IllegalArgumentException success){}
1212		}
1213	<
1214	<	/** Throws if maximumPoolSize is equal to zero */
1215	<	public void testConstructor3() {
1216	<	try{
1217	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1218	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1213	>
1214	>	/**
1215	>	* execute throws RejectedExecutionException if shutdown
1216	>	*/
1217	>	public void testRejectedExecutionExceptionOnShutdown() {
1218	>	ThreadPoolExecutor p =
1219	>	new ThreadPoolExecutor(1, 1,
1220	>	LONG_DELAY_MS, MILLISECONDS,
1221	>	new ArrayBlockingQueue<Runnable>(1));
1222	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1223	>	try {
1224	>	p.execute(new NoOpRunnable());
1225	>	shouldThrow();
1226	>	} catch (RejectedExecutionException success) {}
1227	>
1228	>	joinPool(p);
1229	>	}
1230	>
1231	>	/**
1232	>	* execute using CallerRunsPolicy drops task on shutdown
1233	>	*/
1234	>	public void testCallerRunsOnShutdown() {
1235	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1236	>	final ThreadPoolExecutor p =
1237	>	new ThreadPoolExecutor(1, 1,
1238	>	LONG_DELAY_MS, MILLISECONDS,
1239	>	new ArrayBlockingQueue<Runnable>(1), h);
1240	>
1241	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1242	>	try {
1243	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1244	>	p.execute(r);
1245	>	assertFalse(r.done);
1246	>	} finally {
1247	>	joinPool(p);
1248		}
260	–	catch (IllegalArgumentException success){}
1249		}
1250
1251	<	/** Throws if keepAliveTime is less than zero */
1252	<	public void testConstructor4() {
1253	<	try{
1254	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1255	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1251	>	/**
1252	>	* execute using DiscardPolicy drops task on shutdown
1253	>	*/
1254	>	public void testDiscardOnShutdown() {
1255	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1256	>	ThreadPoolExecutor p =
1257	>	new ThreadPoolExecutor(1, 1,
1258	>	LONG_DELAY_MS, MILLISECONDS,
1259	>	new ArrayBlockingQueue<Runnable>(1),
1260	>	h);
1261	>
1262	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1263	>	try {
1264	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1265	>	p.execute(r);
1266	>	assertFalse(r.done);
1267	>	} finally {
1268	>	joinPool(p);
1269		}
269	–	catch (IllegalArgumentException success){}
1270		}
1271
1272	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1273	<	public void testConstructor5() {
1274	<	try{
1275	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1276	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1272	>	/**
1273	>	* execute using DiscardOldestPolicy drops task on shutdown
1274	>	*/
1275	>	public void testDiscardOldestOnShutdown() {
1276	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1277	>	ThreadPoolExecutor p =
1278	>	new ThreadPoolExecutor(1, 1,
1279	>	LONG_DELAY_MS, MILLISECONDS,
1280	>	new ArrayBlockingQueue<Runnable>(1),
1281	>	h);
1282	>
1283	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1284	>	try {
1285	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1286	>	p.execute(r);
1287	>	assertFalse(r.done);
1288	>	} finally {
1289	>	joinPool(p);
1290		}
278	–	catch (IllegalArgumentException success){}
1291		}
1292	<
1293	<	/** Throws if workQueue is set to null */
1294	<	public void testNullPointerException() {
1295	<	try{
1296	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1297	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1292	>
1293	>	/**
1294	>	* execute(null) throws NPE
1295	>	*/
1296	>	public void testExecuteNull() {
1297	>	ThreadPoolExecutor p =
1298	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1299	>	new ArrayBlockingQueue<Runnable>(10));
1300	>	try {
1301	>	p.execute(null);
1302	>	shouldThrow();
1303	>	} catch (NullPointerException success) {}
1304	>
1305	>	joinPool(p);
1306	>	}
1307	>
1308	>	/**
1309	>	* setCorePoolSize of negative value throws IllegalArgumentException
1310	>	*/
1311	>	public void testCorePoolSizeIllegalArgumentException() {
1312	>	ThreadPoolExecutor p =
1313	>	new ThreadPoolExecutor(1, 2,
1314	>	LONG_DELAY_MS, MILLISECONDS,
1315	>	new ArrayBlockingQueue<Runnable>(10));
1316	>	try {
1317	>	p.setCorePoolSize(-1);
1318	>	shouldThrow();
1319	>	} catch (IllegalArgumentException success) {
1320	>	} finally {
1321	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1322		}
1323	<	catch (NullPointerException success){}
1323	>	joinPool(p);
1324		}
289	–
1325
1326	<
1327	<	/** Throws if corePoolSize argument is less than zero */
1328	<	public void testConstructor6() {
1329	<	try{
1330	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1331	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1332	<	} catch (IllegalArgumentException success){}
1326	>	/**
1327	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1328	>	* given a value less the core pool size
1329	>	*/
1330	>	public void testMaximumPoolSizeIllegalArgumentException() {
1331	>	ThreadPoolExecutor p =
1332	>	new ThreadPoolExecutor(2, 3,
1333	>	LONG_DELAY_MS, MILLISECONDS,
1334	>	new ArrayBlockingQueue<Runnable>(10));
1335	>	try {
1336	>	p.setMaximumPoolSize(1);
1337	>	shouldThrow();
1338	>	} catch (IllegalArgumentException success) {
1339	>	} finally {
1340	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1341	>	}
1342	>	joinPool(p);
1343		}
1344	<
1345	<	/** Throws if maximumPoolSize is less than zero */
1346	<	public void testConstructor7() {
1347	<	try{
1348	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1349	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1344	>
1345	>	/**
1346	>	* setMaximumPoolSize throws IllegalArgumentException
1347	>	* if given a negative value
1348	>	*/
1349	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1350	>	ThreadPoolExecutor p =
1351	>	new ThreadPoolExecutor(2, 3,
1352	>	LONG_DELAY_MS, MILLISECONDS,
1353	>	new ArrayBlockingQueue<Runnable>(10));
1354	>	try {
1355	>	p.setMaximumPoolSize(-1);
1356	>	shouldThrow();
1357	>	} catch (IllegalArgumentException success) {
1358	>	} finally {
1359	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1360		}
1361	<	catch (IllegalArgumentException success){}
1361	>	joinPool(p);
1362		}
1363
1364	<	/** Throws if maximumPoolSize is equal to zero */
1365	<	public void testConstructor8() {
1366	<	try{
1367	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1368	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1364	>	/**
1365	>	* Configuration changes that allow core pool size greater than
1366	>	* max pool size result in IllegalArgumentException.
1367	>	*/
1368	>	public void testPoolSizeInvariants() {
1369	>	ThreadPoolExecutor p =
1370	>	new ThreadPoolExecutor(1, 1,
1371	>	LONG_DELAY_MS, MILLISECONDS,
1372	>	new ArrayBlockingQueue<Runnable>(10));
1373	>	for (int s = 1; s < 5; s++) {
1374	>	p.setMaximumPoolSize(s);
1375	>	p.setCorePoolSize(s);
1376	>	try {
1377	>	p.setMaximumPoolSize(s - 1);
1378	>	shouldThrow();
1379	>	} catch (IllegalArgumentException success) {}
1380	>	assertEquals(s, p.getCorePoolSize());
1381	>	assertEquals(s, p.getMaximumPoolSize());
1382	>	try {
1383	>	p.setCorePoolSize(s + 1);
1384	>	shouldThrow();
1385	>	} catch (IllegalArgumentException success) {}
1386	>	assertEquals(s, p.getCorePoolSize());
1387	>	assertEquals(s, p.getMaximumPoolSize());
1388		}
1389	<	catch (IllegalArgumentException success){}
1389	>	joinPool(p);
1390		}
1391
1392	<	/** Throws if keepAliveTime is less than zero */
1393	<	public void testConstructor9() {
1394	<	try{
1395	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1396	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1392	>	/**
1393	>	* setKeepAliveTime throws IllegalArgumentException
1394	>	* when given a negative value
1395	>	*/
1396	>	public void testKeepAliveTimeIllegalArgumentException() {
1397	>	ThreadPoolExecutor p =
1398	>	new ThreadPoolExecutor(2, 3,
1399	>	LONG_DELAY_MS, MILLISECONDS,
1400	>	new ArrayBlockingQueue<Runnable>(10));
1401	>	try {
1402	>	p.setKeepAliveTime(-1,MILLISECONDS);
1403	>	shouldThrow();
1404	>	} catch (IllegalArgumentException success) {
1405	>	} finally {
1406	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1407		}
1408	<	catch (IllegalArgumentException success){}
1408	>	joinPool(p);
1409		}
1410
1411	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1412	<	public void testConstructor10() {
1413	<	try{
1414	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1415	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1411	>	/**
1412	>	* terminated() is called on termination
1413	>	*/
1414	>	public void testTerminated() {
1415	>	ExtendedTPE p = new ExtendedTPE();
1416	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1417	>	assertTrue(p.terminatedCalled());
1418	>	joinPool(p);
1419	>	}
1420	>
1421	>	/**
1422	>	* beforeExecute and afterExecute are called when executing task
1423	>	*/
1424	>	public void testBeforeAfter() throws InterruptedException {
1425	>	ExtendedTPE p = new ExtendedTPE();
1426	>	try {
1427	>	final CountDownLatch done = new CountDownLatch(1);
1428	>	p.execute(new CheckedRunnable() {
1429	>	public void realRun() {
1430	>	done.countDown();
1431	>	}});
1432	>	await(p.afterCalled);
1433	>	assertEquals(0, done.getCount());
1434	>	assertTrue(p.afterCalled());
1435	>	assertTrue(p.beforeCalled());
1436	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1437	>	} finally {
1438	>	joinPool(p);
1439		}
333	–	catch (IllegalArgumentException success){}
1440		}
1441
1442	<	/** Throws if workQueue is set to null */
1443	<	public void testNullPointerException2() {
1444	<	try{
1445	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1446	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1442	>	/**
1443	>	* completed submit of callable returns result
1444	>	*/
1445	>	public void testSubmitCallable() throws Exception {
1446	>	ExecutorService e =
1447	>	new ThreadPoolExecutor(2, 2,
1448	>	LONG_DELAY_MS, MILLISECONDS,
1449	>	new ArrayBlockingQueue<Runnable>(10));
1450	>	try {
1451	>	Future<String> future = e.submit(new StringTask());
1452	>	String result = future.get();
1453	>	assertSame(TEST_STRING, result);
1454	>	} finally {
1455	>	joinPool(e);
1456		}
342	–	catch (NullPointerException success){}
1457		}
1458
1459	<	/** Throws if threadFactory is set to null */
1460	<	public void testNullPointerException3() {
1461	<	try{
1462	<	ThreadFactory f = null;
1463	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1464	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1459	>	/**
1460	>	* completed submit of runnable returns successfully
1461	>	*/
1462	>	public void testSubmitRunnable() throws Exception {
1463	>	ExecutorService e =
1464	>	new ThreadPoolExecutor(2, 2,
1465	>	LONG_DELAY_MS, MILLISECONDS,
1466	>	new ArrayBlockingQueue<Runnable>(10));
1467	>	try {
1468	>	Future<?> future = e.submit(new NoOpRunnable());
1469	>	future.get();
1470	>	assertTrue(future.isDone());
1471	>	} finally {
1472	>	joinPool(e);
1473		}
352	–	catch (NullPointerException success){}
1474		}
1475	<
1476	<
1477	<	/** Throws if corePoolSize argument is less than zero */
1478	<	public void testConstructor11() {
1479	<	try{
1480	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1481	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1475	>
1476	>	/**
1477	>	* completed submit of (runnable, result) returns result
1478	>	*/
1479	>	public void testSubmitRunnable2() throws Exception {
1480	>	ExecutorService e =
1481	>	new ThreadPoolExecutor(2, 2,
1482	>	LONG_DELAY_MS, MILLISECONDS,
1483	>	new ArrayBlockingQueue<Runnable>(10));
1484	>	try {
1485	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1486	>	String result = future.get();
1487	>	assertSame(TEST_STRING, result);
1488	>	} finally {
1489	>	joinPool(e);
1490		}
362	–	catch (IllegalArgumentException success){}
1491		}
1492
1493	<	/** Throws if maximumPoolSize is less than zero */
1494	<	public void testConstructor12() {
1495	<	try{
1496	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1497	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1493	>	/**
1494	>	* invokeAny(null) throws NPE
1495	>	*/
1496	>	public void testInvokeAny1() throws Exception {
1497	>	ExecutorService e =
1498	>	new ThreadPoolExecutor(2, 2,
1499	>	LONG_DELAY_MS, MILLISECONDS,
1500	>	new ArrayBlockingQueue<Runnable>(10));
1501	>	try {
1502	>	e.invokeAny(null);
1503	>	shouldThrow();
1504	>	} catch (NullPointerException success) {
1505	>	} finally {
1506	>	joinPool(e);
1507		}
371	–	catch (IllegalArgumentException success){}
1508		}
1509
1510	<	/** Throws if maximumPoolSize is equal to zero */
1511	<	public void testConstructor13() {
1512	<	try{
1513	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1514	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1510	>	/**
1511	>	* invokeAny(empty collection) throws IAE
1512	>	*/
1513	>	public void testInvokeAny2() throws Exception {
1514	>	ExecutorService e =
1515	>	new ThreadPoolExecutor(2, 2,
1516	>	LONG_DELAY_MS, MILLISECONDS,
1517	>	new ArrayBlockingQueue<Runnable>(10));
1518	>	try {
1519	>	e.invokeAny(new ArrayList<Callable<String>>());
1520	>	shouldThrow();
1521	>	} catch (IllegalArgumentException success) {
1522	>	} finally {
1523	>	joinPool(e);
1524		}
380	–	catch (IllegalArgumentException success){}
1525		}
1526
1527	<	/** Throws if keepAliveTime is less than zero */
1528	<	public void testConstructor14() {
1529	<	try{
1530	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1531	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1527	>	/**
1528	>	* invokeAny(c) throws NPE if c has null elements
1529	>	*/
1530	>	public void testInvokeAny3() throws Exception {
1531	>	final CountDownLatch latch = new CountDownLatch(1);
1532	>	final ExecutorService e =
1533	>	new ThreadPoolExecutor(2, 2,
1534	>	LONG_DELAY_MS, MILLISECONDS,
1535	>	new ArrayBlockingQueue<Runnable>(10));
1536	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1537	>	l.add(latchAwaitingStringTask(latch));
1538	>	l.add(null);
1539	>	try {
1540	>	e.invokeAny(l);
1541	>	shouldThrow();
1542	>	} catch (NullPointerException success) {
1543	>	} finally {
1544	>	latch.countDown();
1545	>	joinPool(e);
1546		}
389	–	catch (IllegalArgumentException success){}
1547		}
1548
1549	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1550	<	public void testConstructor15() {
1551	<	try{
1552	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1553	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1549	>	/**
1550	>	* invokeAny(c) throws ExecutionException if no task completes
1551	>	*/
1552	>	public void testInvokeAny4() throws Exception {
1553	>	ExecutorService e =
1554	>	new ThreadPoolExecutor(2, 2,
1555	>	LONG_DELAY_MS, MILLISECONDS,
1556	>	new ArrayBlockingQueue<Runnable>(10));
1557	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1558	>	l.add(new NPETask());
1559	>	try {
1560	>	e.invokeAny(l);
1561	>	shouldThrow();
1562	>	} catch (ExecutionException success) {
1563	>	assertTrue(success.getCause() instanceof NullPointerException);
1564	>	} finally {
1565	>	joinPool(e);
1566		}
398	–	catch (IllegalArgumentException success){}
1567		}
1568
1569	<	/** Throws if workQueue is set to null */
1570	<	public void testNullPointerException4() {
1571	<	try{
1572	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1573	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1569	>	/**
1570	>	* invokeAny(c) returns result of some task
1571	>	*/
1572	>	public void testInvokeAny5() throws Exception {
1573	>	ExecutorService e =
1574	>	new ThreadPoolExecutor(2, 2,
1575	>	LONG_DELAY_MS, MILLISECONDS,
1576	>	new ArrayBlockingQueue<Runnable>(10));
1577	>	try {
1578	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1579	>	l.add(new StringTask());
1580	>	l.add(new StringTask());
1581	>	String result = e.invokeAny(l);
1582	>	assertSame(TEST_STRING, result);
1583	>	} finally {
1584	>	joinPool(e);
1585		}
407	–	catch (NullPointerException success){}
1586		}
1587
1588	<	/** Throws if handler is set to null */
1589	<	public void testNullPointerException5() {
1590	<	try{
1591	<	RejectedExecutionHandler r = null;
1592	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1593	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1588	>	/**
1589	>	* invokeAll(null) throws NPE
1590	>	*/
1591	>	public void testInvokeAll1() throws Exception {
1592	>	ExecutorService e =
1593	>	new ThreadPoolExecutor(2, 2,
1594	>	LONG_DELAY_MS, MILLISECONDS,
1595	>	new ArrayBlockingQueue<Runnable>(10));
1596	>	try {
1597	>	e.invokeAll(null);
1598	>	shouldThrow();
1599	>	} catch (NullPointerException success) {
1600	>	} finally {
1601	>	joinPool(e);
1602		}
417	–	catch (NullPointerException success){}
1603		}
1604
1605	<
1606	<	/** Throws if corePoolSize argument is less than zero */
1607	<	public void testConstructor16() {
1608	<	try{
1609	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1610	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1605	>	/**
1606	>	* invokeAll(empty collection) returns empty collection
1607	>	*/
1608	>	public void testInvokeAll2() throws InterruptedException {
1609	>	ExecutorService e =
1610	>	new ThreadPoolExecutor(2, 2,
1611	>	LONG_DELAY_MS, MILLISECONDS,
1612	>	new ArrayBlockingQueue<Runnable>(10));
1613	>	try {
1614	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1615	>	assertTrue(r.isEmpty());
1616	>	} finally {
1617	>	joinPool(e);
1618		}
427	–	catch (IllegalArgumentException success){}
1619		}
1620
1621	<	/** Throws if maximumPoolSize is less than zero */
1622	<	public void testConstructor17() {
1623	<	try{
1624	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1625	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1621	>	/**
1622	>	* invokeAll(c) throws NPE if c has null elements
1623	>	*/
1624	>	public void testInvokeAll3() throws Exception {
1625	>	ExecutorService e =
1626	>	new ThreadPoolExecutor(2, 2,
1627	>	LONG_DELAY_MS, MILLISECONDS,
1628	>	new ArrayBlockingQueue<Runnable>(10));
1629	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1630	>	l.add(new StringTask());
1631	>	l.add(null);
1632	>	try {
1633	>	e.invokeAll(l);
1634	>	shouldThrow();
1635	>	} catch (NullPointerException success) {
1636	>	} finally {
1637	>	joinPool(e);
1638		}
436	–	catch (IllegalArgumentException success){}
1639		}
1640
1641	<	/** Throws if maximumPoolSize is equal to zero */
1642	<	public void testConstructor18() {
1643	<	try{
1644	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1645	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1641	>	/**
1642	>	* get of element of invokeAll(c) throws exception on failed task
1643	>	*/
1644	>	public void testInvokeAll4() throws Exception {
1645	>	ExecutorService e =
1646	>	new ThreadPoolExecutor(2, 2,
1647	>	LONG_DELAY_MS, MILLISECONDS,
1648	>	new ArrayBlockingQueue<Runnable>(10));
1649	>	try {
1650	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1651	>	l.add(new NPETask());
1652	>	List<Future<String>> futures = e.invokeAll(l);
1653	>	assertEquals(1, futures.size());
1654	>	try {
1655	>	futures.get(0).get();
1656	>	shouldThrow();
1657	>	} catch (ExecutionException success) {
1658	>	assertTrue(success.getCause() instanceof NullPointerException);
1659	>	}
1660	>	} finally {
1661	>	joinPool(e);
1662		}
445	–	catch (IllegalArgumentException success){}
1663		}
1664
1665	<	/** Throws if keepAliveTime is less than zero */
1666	<	public void testConstructor19() {
1667	<	try{
1668	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1669	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1665	>	/**
1666	>	* invokeAll(c) returns results of all completed tasks
1667	>	*/
1668	>	public void testInvokeAll5() throws Exception {
1669	>	ExecutorService e =
1670	>	new ThreadPoolExecutor(2, 2,
1671	>	LONG_DELAY_MS, MILLISECONDS,
1672	>	new ArrayBlockingQueue<Runnable>(10));
1673	>	try {
1674	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1675	>	l.add(new StringTask());
1676	>	l.add(new StringTask());
1677	>	List<Future<String>> futures = e.invokeAll(l);
1678	>	assertEquals(2, futures.size());
1679	>	for (Future<String> future : futures)
1680	>	assertSame(TEST_STRING, future.get());
1681	>	} finally {
1682	>	joinPool(e);
1683		}
454	–	catch (IllegalArgumentException success){}
1684		}
1685
1686	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1687	<	public void testConstructor20() {
1688	<	try{
1689	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1690	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1686	>	/**
1687	>	* timed invokeAny(null) throws NPE
1688	>	*/
1689	>	public void testTimedInvokeAny1() throws Exception {
1690	>	ExecutorService e =
1691	>	new ThreadPoolExecutor(2, 2,
1692	>	LONG_DELAY_MS, MILLISECONDS,
1693	>	new ArrayBlockingQueue<Runnable>(10));
1694	>	try {
1695	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1696	>	shouldThrow();
1697	>	} catch (NullPointerException success) {
1698	>	} finally {
1699	>	joinPool(e);
1700	>	}
1701	>	}
1702	>
1703	>	/**
1704	>	* timed invokeAny(,,null) throws NPE
1705	>	*/
1706	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1707	>	ExecutorService e =
1708	>	new ThreadPoolExecutor(2, 2,
1709	>	LONG_DELAY_MS, MILLISECONDS,
1710	>	new ArrayBlockingQueue<Runnable>(10));
1711	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1712	>	l.add(new StringTask());
1713	>	try {
1714	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1715	>	shouldThrow();
1716	>	} catch (NullPointerException success) {
1717	>	} finally {
1718	>	joinPool(e);
1719	>	}
1720	>	}
1721	>
1722	>	/**
1723	>	* timed invokeAny(empty collection) throws IAE
1724	>	*/
1725	>	public void testTimedInvokeAny2() throws Exception {
1726	>	ExecutorService e =
1727	>	new ThreadPoolExecutor(2, 2,
1728	>	LONG_DELAY_MS, MILLISECONDS,
1729	>	new ArrayBlockingQueue<Runnable>(10));
1730	>	try {
1731	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1732	>	shouldThrow();
1733	>	} catch (IllegalArgumentException success) {
1734	>	} finally {
1735	>	joinPool(e);
1736	>	}
1737	>	}
1738	>
1739	>	/**
1740	>	* timed invokeAny(c) throws NPE if c has null elements
1741	>	*/
1742	>	public void testTimedInvokeAny3() throws Exception {
1743	>	final CountDownLatch latch = new CountDownLatch(1);
1744	>	final ExecutorService e =
1745	>	new ThreadPoolExecutor(2, 2,
1746	>	LONG_DELAY_MS, MILLISECONDS,
1747	>	new ArrayBlockingQueue<Runnable>(10));
1748	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1749	>	l.add(latchAwaitingStringTask(latch));
1750	>	l.add(null);
1751	>	try {
1752	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1753	>	shouldThrow();
1754	>	} catch (NullPointerException success) {
1755	>	} finally {
1756	>	latch.countDown();
1757	>	joinPool(e);
1758	>	}
1759	>	}
1760	>
1761	>	/**
1762	>	* timed invokeAny(c) throws ExecutionException if no task completes
1763	>	*/
1764	>	public void testTimedInvokeAny4() throws Exception {
1765	>	ExecutorService e =
1766	>	new ThreadPoolExecutor(2, 2,
1767	>	LONG_DELAY_MS, MILLISECONDS,
1768	>	new ArrayBlockingQueue<Runnable>(10));
1769	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1770	>	l.add(new NPETask());
1771	>	try {
1772	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1773	>	shouldThrow();
1774	>	} catch (ExecutionException success) {
1775	>	assertTrue(success.getCause() instanceof NullPointerException);
1776	>	} finally {
1777	>	joinPool(e);
1778		}
463	–	catch (IllegalArgumentException success){}
1779		}
1780
1781	<	/** Throws if workQueue is set to null */
1782	<	public void testNullPointerException6() {
1783	<	try{
1784	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1785	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1781	>	/**
1782	>	* timed invokeAny(c) returns result of some task
1783	>	*/
1784	>	public void testTimedInvokeAny5() throws Exception {
1785	>	ExecutorService e =
1786	>	new ThreadPoolExecutor(2, 2,
1787	>	LONG_DELAY_MS, MILLISECONDS,
1788	>	new ArrayBlockingQueue<Runnable>(10));
1789	>	try {
1790	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1791	>	l.add(new StringTask());
1792	>	l.add(new StringTask());
1793	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1794	>	assertSame(TEST_STRING, result);
1795	>	} finally {
1796	>	joinPool(e);
1797		}
472	–	catch (NullPointerException success){}
1798		}
1799
1800	<	/** Throws if handler is set to null */
1801	<	public void testNullPointerException7() {
1802	<	try{
1803	<	RejectedExecutionHandler r = null;
1804	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1805	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1800	>	/**
1801	>	* timed invokeAll(null) throws NPE
1802	>	*/
1803	>	public void testTimedInvokeAll1() throws Exception {
1804	>	ExecutorService e =
1805	>	new ThreadPoolExecutor(2, 2,
1806	>	LONG_DELAY_MS, MILLISECONDS,
1807	>	new ArrayBlockingQueue<Runnable>(10));
1808	>	try {
1809	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1810	>	shouldThrow();
1811	>	} catch (NullPointerException success) {
1812	>	} finally {
1813	>	joinPool(e);
1814		}
482	–	catch (NullPointerException success){}
1815		}
1816
1817	<	/** Throws if ThreadFactory is set top null */
1818	<	public void testNullPointerException8() {
1819	<	try{
1820	<	ThreadFactory f = null;
1821	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1822	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1817	>	/**
1818	>	* timed invokeAll(,,null) throws NPE
1819	>	*/
1820	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1821	>	ExecutorService e =
1822	>	new ThreadPoolExecutor(2, 2,
1823	>	LONG_DELAY_MS, MILLISECONDS,
1824	>	new ArrayBlockingQueue<Runnable>(10));
1825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1826	>	l.add(new StringTask());
1827	>	try {
1828	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1829	>	shouldThrow();
1830	>	} catch (NullPointerException success) {
1831	>	} finally {
1832	>	joinPool(e);
1833		}
492	–	catch (NullPointerException successdn8){}
1834		}
494	–
1835
1836		/**
1837	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1837	>	* timed invokeAll(empty collection) returns empty collection
1838		*/
1839	<	public void testRejectedExecutionException(){
1840	<	ThreadPoolExecutor tpe = null;
1841	<	try{
1842	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1843	<	} catch(Exception e){}
1844	<	tpe.shutdown();
1845	<	try{
1846	<	tpe.execute(new NoOpRunnable());
1847	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1848	<	} catch(RejectedExecutionException success){}
1849	<
512	<	joinPool(tpe);
1839	>	public void testTimedInvokeAll2() throws InterruptedException {
1840	>	ExecutorService e =
1841	>	new ThreadPoolExecutor(2, 2,
1842	>	LONG_DELAY_MS, MILLISECONDS,
1843	>	new ArrayBlockingQueue<Runnable>(10));
1844	>	try {
1845	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1846	>	assertTrue(r.isEmpty());
1847	>	} finally {
1848	>	joinPool(e);
1849	>	}
1850		}
1851	<
1851	>
1852		/**
1853	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1853	>	* timed invokeAll(c) throws NPE if c has null elements
1854		*/
1855	<	public void testCorePoolSizeIllegalArgumentException(){
1856	<	ThreadPoolExecutor tpe = null;
1857	<	try{
1858	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1859	<	} catch(Exception e){}
1860	<	try{
1861	<	tpe.setCorePoolSize(-1);
1862	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1863	<	} catch(IllegalArgumentException success){
1855	>	public void testTimedInvokeAll3() throws Exception {
1856	>	ExecutorService e =
1857	>	new ThreadPoolExecutor(2, 2,
1858	>	LONG_DELAY_MS, MILLISECONDS,
1859	>	new ArrayBlockingQueue<Runnable>(10));
1860	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1861	>	l.add(new StringTask());
1862	>	l.add(null);
1863	>	try {
1864	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1865	>	shouldThrow();
1866	>	} catch (NullPointerException success) {
1867	>	} finally {
1868	>	joinPool(e);
1869	>	}
1870	>	}
1871	>
1872	>	/**
1873	>	* get of element of invokeAll(c) throws exception on failed task
1874	>	*/
1875	>	public void testTimedInvokeAll4() throws Exception {
1876	>	ExecutorService e =
1877	>	new ThreadPoolExecutor(2, 2,
1878	>	LONG_DELAY_MS, MILLISECONDS,
1879	>	new ArrayBlockingQueue<Runnable>(10));
1880	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1881	>	l.add(new NPETask());
1882	>	List<Future<String>> futures =
1883	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1884	>	assertEquals(1, futures.size());
1885	>	try {
1886	>	futures.get(0).get();
1887	>	shouldThrow();
1888	>	} catch (ExecutionException success) {
1889	>	assertTrue(success.getCause() instanceof NullPointerException);
1890		} finally {
1891	<	tpe.shutdown();
1891	>	joinPool(e);
1892		}
1893	<	joinPool(tpe);
532	<	}
1893	>	}
1894
534	–
1895		/**
1896	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1897	<	*  if given a value less the it's actual core pool size
1898	<	*/
1899	<	public void testMaximumPoolSizeIllegalArgumentException(){
1900	<	ThreadPoolExecutor tpe = null;
1901	<	try{
1902	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1903	<	} catch(Exception e){}
1904	<	try{
1905	<	tpe.setMaximumPoolSize(1);
1906	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1907	<	} catch(IllegalArgumentException success){
1896	>	* timed invokeAll(c) returns results of all completed tasks
1897	>	*/
1898	>	public void testTimedInvokeAll5() throws Exception {
1899	>	ExecutorService e =
1900	>	new ThreadPoolExecutor(2, 2,
1901	>	LONG_DELAY_MS, MILLISECONDS,
1902	>	new ArrayBlockingQueue<Runnable>(10));
1903	>	try {
1904	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1905	>	l.add(new StringTask());
1906	>	l.add(new StringTask());
1907	>	List<Future<String>> futures =
1908	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1909	>	assertEquals(2, futures.size());
1910	>	for (Future<String> future : futures)
1911	>	assertSame(TEST_STRING, future.get());
1912		} finally {
1913	<	tpe.shutdown();
1913	>	joinPool(e);
1914		}
551	–	joinPool(tpe);
1915		}
1916	<
1916	>
1917		/**
1918	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1918	>	* timed invokeAll(c) cancels tasks not completed by timeout
1919		*/
1920	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1921	<	ThreadPoolExecutor tpe = null;
1922	<	try{
1923	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1924	<	} catch(Exception e){}
1925	<	try{
1926	<	tpe.setMaximumPoolSize(-1);
1927	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1928	<	} catch(IllegalArgumentException success){
1920	>	public void testTimedInvokeAll6() throws Exception {
1921	>	ExecutorService e =
1922	>	new ThreadPoolExecutor(2, 2,
1923	>	LONG_DELAY_MS, MILLISECONDS,
1924	>	new ArrayBlockingQueue<Runnable>(10));
1925	>	try {
1926	>	for (long timeout = timeoutMillis();;) {
1927	>	List<Callable<String>> tasks = new ArrayList<>();
1928	>	tasks.add(new StringTask("0"));
1929	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1930	>	tasks.add(new StringTask("2"));
1931	>	long startTime = System.nanoTime();
1932	>	List<Future<String>> futures =
1933	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1934	>	assertEquals(tasks.size(), futures.size());
1935	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1936	>	for (Future future : futures)
1937	>	assertTrue(future.isDone());
1938	>	assertTrue(futures.get(1).isCancelled());
1939	>	try {
1940	>	assertEquals("0", futures.get(0).get());
1941	>	assertEquals("2", futures.get(2).get());
1942	>	break;
1943	>	} catch (CancellationException retryWithLongerTimeout) {
1944	>	timeout *= 2;
1945	>	if (timeout >= LONG_DELAY_MS / 2)
1946	>	fail("expected exactly one task to be cancelled");
1947	>	}
1948	>	}
1949		} finally {
1950	<	tpe.shutdown();
1950	>	joinPool(e);
1951		}
570	–	joinPool(tpe);
1952		}
572	–
1953
1954		/**
1955	<	*   setKeepAliveTime will throw IllegalArgumentException
1956	<	*  when given a negative value
1955	>	* Execution continues if there is at least one thread even if
1956	>	* thread factory fails to create more
1957		*/
1958	<	public void testKeepAliveTimeIllegalArgumentException(){
1959	<	ThreadPoolExecutor tpe = null;
1960	<	try{
1961	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1962	<	} catch(Exception e){}
1963	<
1964	<	try{
1965	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1966	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1967	<	} catch(IllegalArgumentException success){
1958	>	public void testFailingThreadFactory() throws InterruptedException {
1959	>	final ExecutorService e =
1960	>	new ThreadPoolExecutor(100, 100,
1961	>	LONG_DELAY_MS, MILLISECONDS,
1962	>	new LinkedBlockingQueue<Runnable>(),
1963	>	new FailingThreadFactory());
1964	>	try {
1965	>	final int TASKS = 100;
1966	>	final CountDownLatch done = new CountDownLatch(TASKS);
1967	>	for (int k = 0; k < TASKS; ++k)
1968	>	e.execute(new CheckedRunnable() {
1969	>	public void realRun() {
1970	>	done.countDown();
1971	>	}});
1972	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1973		} finally {
1974	<	tpe.shutdown();
1974	>	joinPool(e);
1975		}
591	–	joinPool(tpe);
1976		}
1977	<
1977	>
1978	>	/**
1979	>	* allowsCoreThreadTimeOut is by default false.
1980	>	*/
1981	>	public void testAllowsCoreThreadTimeOut() {
1982	>	final ThreadPoolExecutor p =
1983	>	new ThreadPoolExecutor(2, 2,
1984	>	1000, MILLISECONDS,
1985	>	new ArrayBlockingQueue<Runnable>(10));
1986	>	assertFalse(p.allowsCoreThreadTimeOut());
1987	>	joinPool(p);
1988	>	}
1989	>
1990	>	/**
1991	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1992	>	*/
1993	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1994	>	long keepAliveTime = timeoutMillis();
1995	>	final ThreadPoolExecutor p =
1996	>	new ThreadPoolExecutor(2, 10,
1997	>	keepAliveTime, MILLISECONDS,
1998	>	new ArrayBlockingQueue<Runnable>(10));
1999	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2000	>	try {
2001	>	p.allowCoreThreadTimeOut(true);
2002	>	p.execute(new CheckedRunnable() {
2003	>	public void realRun() {
2004	>	threadStarted.countDown();
2005	>	assertEquals(1, p.getPoolSize());
2006	>	}});
2007	>	await(threadStarted);
2008	>	delay(keepAliveTime);
2009	>	long startTime = System.nanoTime();
2010	>	while (p.getPoolSize() > 0
2011	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2012	>	Thread.yield();
2013	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2014	>	assertEquals(0, p.getPoolSize());
2015	>	} finally {
2016	>	joinPool(p);
2017	>	}
2018	>	}
2019	>
2020	>	/**
2021	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2022	>	*/
2023	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2024	>	long keepAliveTime = timeoutMillis();
2025	>	final ThreadPoolExecutor p =
2026	>	new ThreadPoolExecutor(2, 10,
2027	>	keepAliveTime, MILLISECONDS,
2028	>	new ArrayBlockingQueue<Runnable>(10));
2029	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2030	>	try {
2031	>	p.allowCoreThreadTimeOut(false);
2032	>	p.execute(new CheckedRunnable() {
2033	>	public void realRun() throws InterruptedException {
2034	>	threadStarted.countDown();
2035	>	assertTrue(p.getPoolSize() >= 1);
2036	>	}});
2037	>	delay(2 * keepAliveTime);
2038	>	assertTrue(p.getPoolSize() >= 1);
2039	>	} finally {
2040	>	joinPool(p);
2041	>	}
2042	>	}
2043	>
2044	>	/**
2045	>	* execute allows the same task to be submitted multiple times, even
2046	>	* if rejected
2047	>	*/
2048	>	public void testRejectedRecycledTask() throws InterruptedException {
2049	>	final int nTasks = 1000;
2050	>	final CountDownLatch done = new CountDownLatch(nTasks);
2051	>	final Runnable recycledTask = new Runnable() {
2052	>	public void run() {
2053	>	done.countDown();
2054	>	}};
2055	>	final ThreadPoolExecutor p =
2056	>	new ThreadPoolExecutor(1, 30,
2057	>	60, SECONDS,
2058	>	new ArrayBlockingQueue(30));
2059	>	try {
2060	>	for (int i = 0; i < nTasks; ++i) {
2061	>	for (;;) {
2062	>	try {
2063	>	p.execute(recycledTask);
2064	>	break;
2065	>	}
2066	>	catch (RejectedExecutionException ignore) {}
2067	>	}
2068	>	}
2069	>	// enough time to run all tasks
2070	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2071	>	} finally {
2072	>	joinPool(p);
2073	>	}
2074	>	}
2075	>
2076	>	/**
2077	>	* get(cancelled task) throws CancellationException
2078	>	*/
2079	>	public void testGet_cancelled() throws Exception {
2080	>	final ExecutorService e =
2081	>	new ThreadPoolExecutor(1, 1,
2082	>	LONG_DELAY_MS, MILLISECONDS,
2083	>	new LinkedBlockingQueue<Runnable>());
2084	>	try {
2085	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2086	>	final CountDownLatch done = new CountDownLatch(1);
2087	>	final List<Future<?>> futures = new ArrayList<>();
2088	>	for (int i = 0; i < 2; i++) {
2089	>	Runnable r = new CheckedRunnable() { public void realRun()
2090	>	throws Throwable {
2091	>	blockerStarted.countDown();
2092	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2093	>	}};
2094	>	futures.add(e.submit(r));
2095	>	}
2096	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2097	>	for (Future<?> future : futures) future.cancel(false);
2098	>	for (Future<?> future : futures) {
2099	>	try {
2100	>	future.get();
2101	>	shouldThrow();
2102	>	} catch (CancellationException success) {}
2103	>	try {
2104	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2105	>	shouldThrow();
2106	>	} catch (CancellationException success) {}
2107	>	assertTrue(future.isCancelled());
2108	>	assertTrue(future.isDone());
2109	>	}
2110	>	done.countDown();
2111	>	} finally {
2112	>	joinPool(e);
2113	>	}
2114	>	}
2115	>
2116		}

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