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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 1.110 by jsr166, Tue Oct 6 16:39:06 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 CountDownLatch done = new CountDownLatch(1);
105	>	final ThreadPoolExecutor p =
106	>	new ThreadPoolExecutor(2, 2,
107	>	LONG_DELAY_MS, MILLISECONDS,
108	>	new ArrayBlockingQueue<Runnable>(10));
109	>	try (PoolCleaner cleaner = cleaner(p, done)) {
110	>	final CountDownLatch threadStarted = 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	>	await(done);
117	>	}});
118	>	await(threadStarted);
119	>	assertEquals(1, p.getActiveCount());
120	>	}
121		}
122
123		/**
124	<	* For use as RejectedExecutionHandler in constructors
124	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
125		*/
126	<	static class MyREHandler implements RejectedExecutionHandler{
127	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
126	>	public void testPrestartCoreThread() {
127	>	final ThreadPoolExecutor p =
128	>	new ThreadPoolExecutor(2, 6,
129	>	LONG_DELAY_MS, MILLISECONDS,
130	>	new ArrayBlockingQueue<Runnable>(10));
131	>	try (PoolCleaner cleaner = cleaner(p)) {
132	>	assertEquals(0, p.getPoolSize());
133	>	assertTrue(p.prestartCoreThread());
134	>	assertEquals(1, p.getPoolSize());
135	>	assertTrue(p.prestartCoreThread());
136	>	assertEquals(2, p.getPoolSize());
137	>	assertFalse(p.prestartCoreThread());
138	>	assertEquals(2, p.getPoolSize());
139	>	p.setCorePoolSize(4);
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(3, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(4, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(4, p.getPoolSize());
146	>	}
147		}
148	<
148	>
149		/**
150	<	*   execute successfully executes a runnable
150	>	* prestartAllCoreThreads starts all corePoolSize threads
151		*/
152	<	public void testExecute(){
153	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
154	<	try {
155	<	one.execute(new Runnable(){
156	<	public void run(){
157	<	try{
158	<	Thread.sleep(SHORT_DELAY_MS);
159	<	} catch(InterruptedException e){
160	<	fail("unexpected exception");
161	<	}
162	<	}
163	<	});
164	<	Thread.sleep(SMALL_DELAY_MS);
165	<	} catch(InterruptedException e){
166	<	fail("unexpected exception");
167	<	}
168	<	joinPool(one);
152	>	public void testPrestartAllCoreThreads() {
153	>	final ThreadPoolExecutor p =
154	>	new ThreadPoolExecutor(2, 6,
155	>	LONG_DELAY_MS, MILLISECONDS,
156	>	new ArrayBlockingQueue<Runnable>(10));
157	>	try (PoolCleaner cleaner = cleaner(p)) {
158	>	assertEquals(0, p.getPoolSize());
159	>	p.prestartAllCoreThreads();
160	>	assertEquals(2, p.getPoolSize());
161	>	p.prestartAllCoreThreads();
162	>	assertEquals(2, p.getPoolSize());
163	>	p.setCorePoolSize(4);
164	>	p.prestartAllCoreThreads();
165	>	assertEquals(4, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(4, p.getPoolSize());
168	>	}
169	>	}
170	>
171	>	/**
172	>	* getCompletedTaskCount increases, but doesn't overestimate,
173	>	* when tasks complete
174	>	*/
175	>	public void testGetCompletedTaskCount() throws InterruptedException {
176	>	final ThreadPoolExecutor p =
177	>	new ThreadPoolExecutor(2, 2,
178	>	LONG_DELAY_MS, MILLISECONDS,
179	>	new ArrayBlockingQueue<Runnable>(10));
180	>	try (PoolCleaner cleaner = cleaner(p)) {
181	>	final CountDownLatch threadStarted = new CountDownLatch(1);
182	>	final CountDownLatch threadProceed = new CountDownLatch(1);
183	>	final CountDownLatch threadDone = new CountDownLatch(1);
184	>	assertEquals(0, p.getCompletedTaskCount());
185	>	p.execute(new CheckedRunnable() {
186	>	public void realRun() throws InterruptedException {
187	>	threadStarted.countDown();
188	>	assertEquals(0, p.getCompletedTaskCount());
189	>	threadProceed.await();
190	>	threadDone.countDown();
191	>	}});
192	>	await(threadStarted);
193	>	assertEquals(0, p.getCompletedTaskCount());
194	>	threadProceed.countDown();
195	>	threadDone.await();
196	>	long startTime = System.nanoTime();
197	>	while (p.getCompletedTaskCount() != 1) {
198	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
199	>	fail("timed out");
200	>	Thread.yield();
201	>	}
202	>	}
203	>	}
204	>
205	>	/**
206	>	* getCorePoolSize returns size given in constructor if not otherwise set
207	>	*/
208	>	public void testGetCorePoolSize() {
209	>	final ThreadPoolExecutor p =
210	>	new ThreadPoolExecutor(1, 1,
211	>	LONG_DELAY_MS, MILLISECONDS,
212	>	new ArrayBlockingQueue<Runnable>(10));
213	>	try (PoolCleaner cleaner = cleaner(p)) {
214	>	assertEquals(1, p.getCorePoolSize());
215	>	}
216	>	}
217	>
218	>	/**
219	>	* getKeepAliveTime returns value given in constructor if not otherwise set
220	>	*/
221	>	public void testGetKeepAliveTime() {
222	>	final ThreadPoolExecutor p =
223	>	new ThreadPoolExecutor(2, 2,
224	>	1000, MILLISECONDS,
225	>	new ArrayBlockingQueue<Runnable>(10));
226	>	try (PoolCleaner cleaner = cleaner(p)) {
227	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
228	>	}
229	>	}
230	>
231	>	/**
232	>	* getThreadFactory returns factory in constructor if not set
233	>	*/
234	>	public void testGetThreadFactory() {
235	>	ThreadFactory threadFactory = new SimpleThreadFactory();
236	>	final ThreadPoolExecutor p =
237	>	new ThreadPoolExecutor(1, 2,
238	>	LONG_DELAY_MS, MILLISECONDS,
239	>	new ArrayBlockingQueue<Runnable>(10),
240	>	threadFactory,
241	>	new NoOpREHandler());
242	>	try (PoolCleaner cleaner = cleaner(p)) {
243	>	assertSame(threadFactory, p.getThreadFactory());
244	>	}
245	>	}
246	>
247	>	/**
248	>	* setThreadFactory sets the thread factory returned by getThreadFactory
249	>	*/
250	>	public void testSetThreadFactory() {
251	>	final ThreadPoolExecutor p =
252	>	new ThreadPoolExecutor(1, 2,
253	>	LONG_DELAY_MS, MILLISECONDS,
254	>	new ArrayBlockingQueue<Runnable>(10));
255	>	try (PoolCleaner cleaner = cleaner(p)) {
256	>	ThreadFactory threadFactory = new SimpleThreadFactory();
257	>	p.setThreadFactory(threadFactory);
258	>	assertSame(threadFactory, p.getThreadFactory());
259	>	}
260	>	}
261	>
262	>	/**
263	>	* setThreadFactory(null) throws NPE
264	>	*/
265	>	public void testSetThreadFactoryNull() {
266	>	final ThreadPoolExecutor p =
267	>	new ThreadPoolExecutor(1, 2,
268	>	LONG_DELAY_MS, MILLISECONDS,
269	>	new ArrayBlockingQueue<Runnable>(10));
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.setThreadFactory(null);
273	>	shouldThrow();
274	>	} catch (NullPointerException success) {}
275	>	}
276	>	}
277	>
278	>	/**
279	>	* getRejectedExecutionHandler returns handler in constructor if not set
280	>	*/
281	>	public void testGetRejectedExecutionHandler() {
282	>	final RejectedExecutionHandler handler = new NoOpREHandler();
283	>	final ThreadPoolExecutor p =
284	>	new ThreadPoolExecutor(1, 2,
285	>	LONG_DELAY_MS, MILLISECONDS,
286	>	new ArrayBlockingQueue<Runnable>(10),
287	>	handler);
288	>	try (PoolCleaner cleaner = cleaner(p)) {
289	>	assertSame(handler, p.getRejectedExecutionHandler());
290	>	}
291	>	}
292	>
293	>	/**
294	>	* setRejectedExecutionHandler sets the handler returned by
295	>	* getRejectedExecutionHandler
296	>	*/
297	>	public void testSetRejectedExecutionHandler() {
298	>	final ThreadPoolExecutor p =
299	>	new ThreadPoolExecutor(1, 2,
300	>	LONG_DELAY_MS, MILLISECONDS,
301	>	new ArrayBlockingQueue<Runnable>(10));
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	RejectedExecutionHandler handler = new NoOpREHandler();
304	>	p.setRejectedExecutionHandler(handler);
305	>	assertSame(handler, p.getRejectedExecutionHandler());
306	>	}
307	>	}
308	>
309	>	/**
310	>	* setRejectedExecutionHandler(null) throws NPE
311	>	*/
312	>	public void testSetRejectedExecutionHandlerNull() {
313	>	final ThreadPoolExecutor p =
314	>	new ThreadPoolExecutor(1, 2,
315	>	LONG_DELAY_MS, MILLISECONDS,
316	>	new ArrayBlockingQueue<Runnable>(10));
317	>	try (PoolCleaner cleaner = cleaner(p)) {
318	>	try {
319	>	p.setRejectedExecutionHandler(null);
320	>	shouldThrow();
321	>	} catch (NullPointerException success) {}
322	>	}
323	>	}
324	>
325	>	/**
326	>	* getLargestPoolSize increases, but doesn't overestimate, when
327	>	* multiple threads active
328	>	*/
329	>	public void testGetLargestPoolSize() throws InterruptedException {
330	>	final int THREADS = 3;
331	>	final CountDownLatch done = new CountDownLatch(1);
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, done)) {
337	>	assertEquals(0, p.getLargestPoolSize());
338	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
339	>	for (int i = 0; i < THREADS; i++)
340	>	p.execute(new CheckedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	threadsStarted.countDown();
343	>	await(done);
344	>	assertEquals(THREADS, p.getLargestPoolSize());
345	>	}});
346	>	await(threadsStarted);
347	>	assertEquals(THREADS, p.getLargestPoolSize());
348	>	}
349	>	assertEquals(THREADS, p.getLargestPoolSize());
350	>	}
351	>
352	>	/**
353	>	* getMaximumPoolSize returns value given in constructor if not
354	>	* otherwise set
355	>	*/
356	>	public void testGetMaximumPoolSize() {
357	>	final ThreadPoolExecutor p =
358	>	new ThreadPoolExecutor(2, 3,
359	>	LONG_DELAY_MS, MILLISECONDS,
360	>	new ArrayBlockingQueue<Runnable>(10));
361	>	try (PoolCleaner cleaner = cleaner(p)) {
362	>	assertEquals(3, p.getMaximumPoolSize());
363	>	p.setMaximumPoolSize(5);
364	>	assertEquals(5, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(4);
366	>	assertEquals(4, p.getMaximumPoolSize());
367	>	}
368	>	}
369	>
370	>	/**
371	>	* getPoolSize increases, but doesn't overestimate, when threads
372	>	* become active
373	>	*/
374	>	public void testGetPoolSize() throws InterruptedException {
375	>	final CountDownLatch done = new CountDownLatch(1);
376	>	final ThreadPoolExecutor p =
377	>	new ThreadPoolExecutor(1, 1,
378	>	LONG_DELAY_MS, MILLISECONDS,
379	>	new ArrayBlockingQueue<Runnable>(10));
380	>	try (PoolCleaner cleaner = cleaner(p, done)) {
381	>	assertEquals(0, p.getPoolSize());
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	p.execute(new CheckedRunnable() {
384	>	public void realRun() throws InterruptedException {
385	>	threadStarted.countDown();
386	>	assertEquals(1, p.getPoolSize());
387	>	await(done);
388	>	}});
389	>	await(threadStarted);
390	>	assertEquals(1, p.getPoolSize());
391	>	}
392	>	}
393	>
394	>	/**
395	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
396	>	*/
397	>	public void testGetTaskCount() throws InterruptedException {
398	>	final int TASKS = 3;
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	final ThreadPoolExecutor p =
401	>	new ThreadPoolExecutor(1, 1,
402	>	LONG_DELAY_MS, MILLISECONDS,
403	>	new ArrayBlockingQueue<Runnable>(10));
404	>	try (PoolCleaner cleaner = cleaner(p, done)) {
405	>	final CountDownLatch threadStarted = new CountDownLatch(1);
406	>	assertEquals(0, p.getTaskCount());
407	>	assertEquals(0, p.getCompletedTaskCount());
408	>	p.execute(new CheckedRunnable() {
409	>	public void realRun() throws InterruptedException {
410	>	threadStarted.countDown();
411	>	await(done);
412	>	}});
413	>	await(threadStarted);
414	>	assertEquals(1, p.getTaskCount());
415	>	assertEquals(0, p.getCompletedTaskCount());
416	>	for (int i = 0; i < TASKS; i++) {
417	>	assertEquals(1 + i, p.getTaskCount());
418	>	p.execute(new CheckedRunnable() {
419	>	public void realRun() throws InterruptedException {
420	>	threadStarted.countDown();
421	>	assertEquals(1 + TASKS, p.getTaskCount());
422	>	await(done);
423	>	}});
424	>	}
425	>	assertEquals(1 + TASKS, p.getTaskCount());
426	>	assertEquals(0, p.getCompletedTaskCount());
427	>	}
428	>	assertEquals(1 + TASKS, p.getTaskCount());
429	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
430	>	}
431	>
432	>	/**
433	>	* isShutdown is false before shutdown, true after
434	>	*/
435	>	public void testIsShutdown() {
436	>	final ThreadPoolExecutor p =
437	>	new ThreadPoolExecutor(1, 1,
438	>	LONG_DELAY_MS, MILLISECONDS,
439	>	new ArrayBlockingQueue<Runnable>(10));
440	>	try (PoolCleaner cleaner = cleaner(p)) {
441	>	assertFalse(p.isShutdown());
442	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
443	>	assertTrue(p.isShutdown());
444	>	}
445	>	}
446	>
447	>	/**
448	>	* awaitTermination on a non-shutdown pool times out
449	>	*/
450	>	public void testAwaitTermination_timesOut() throws InterruptedException {
451	>	final ThreadPoolExecutor p =
452	>	new ThreadPoolExecutor(1, 1,
453	>	LONG_DELAY_MS, MILLISECONDS,
454	>	new ArrayBlockingQueue<Runnable>(10));
455	>	try (PoolCleaner cleaner = cleaner(p)) {
456	>	assertFalse(p.isTerminated());
457	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
458	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
459	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
460	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
461	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
462	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
463	>	long timeoutNanos = 999999L;
464	>	long startTime = System.nanoTime();
465	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
466	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
467	>	assertFalse(p.isTerminated());
468	>	startTime = System.nanoTime();
469	>	long timeoutMillis = timeoutMillis();
470	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
471	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
472	>	assertFalse(p.isTerminated());
473	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
474	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
475	>	assertTrue(p.isTerminated());
476	>	}
477	>	}
478	>
479	>	/**
480	>	* isTerminated is false before termination, true after
481	>	*/
482	>	public void testIsTerminated() throws InterruptedException {
483	>	final ThreadPoolExecutor p =
484	>	new ThreadPoolExecutor(1, 1,
485	>	LONG_DELAY_MS, MILLISECONDS,
486	>	new ArrayBlockingQueue<Runnable>(10));
487	>	try (PoolCleaner cleaner = cleaner(p)) {
488	>	final CountDownLatch threadStarted = new CountDownLatch(1);
489	>	final CountDownLatch done = new CountDownLatch(1);
490	>	assertFalse(p.isTerminating());
491	>	p.execute(new CheckedRunnable() {
492	>	public void realRun() throws InterruptedException {
493	>	assertFalse(p.isTerminating());
494	>	threadStarted.countDown();
495	>	await(done);
496	>	}});
497	>	await(threadStarted);
498	>	assertFalse(p.isTerminating());
499	>	done.countDown();
500	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
501	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
502	>	assertTrue(p.isTerminated());
503	>	assertFalse(p.isTerminating());
504	>	}
505	>	}
506	>
507	>	/**
508	>	* isTerminating is not true when running or when terminated
509	>	*/
510	>	public void testIsTerminating() throws InterruptedException {
511	>	final ThreadPoolExecutor p =
512	>	new ThreadPoolExecutor(1, 1,
513	>	LONG_DELAY_MS, MILLISECONDS,
514	>	new ArrayBlockingQueue<Runnable>(10));
515	>	try (PoolCleaner cleaner = cleaner(p)) {
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	assertFalse(p.isTerminating());
519	>	p.execute(new CheckedRunnable() {
520	>	public void realRun() throws InterruptedException {
521	>	assertFalse(p.isTerminating());
522	>	threadStarted.countDown();
523	>	await(done);
524	>	}});
525	>	await(threadStarted);
526	>	assertFalse(p.isTerminating());
527	>	done.countDown();
528	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
529	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
530	>	assertTrue(p.isTerminated());
531	>	assertFalse(p.isTerminating());
532	>	}
533	>	}
534	>
535	>	/**
536	>	* getQueue returns the work queue, which contains queued tasks
537	>	*/
538	>	public void testGetQueue() throws InterruptedException {
539	>	final CountDownLatch done = new CountDownLatch(1);
540	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
541	>	final ThreadPoolExecutor p =
542	>	new ThreadPoolExecutor(1, 1,
543	>	LONG_DELAY_MS, MILLISECONDS,
544	>	q);
545	>	try (PoolCleaner cleaner = cleaner(p, done)) {
546	>	final CountDownLatch threadStarted = new CountDownLatch(1);
547	>	FutureTask[] tasks = new FutureTask[5];
548	>	for (int i = 0; i < tasks.length; i++) {
549	>	Callable task = new CheckedCallable<Boolean>() {
550	>	public Boolean realCall() throws InterruptedException {
551	>	threadStarted.countDown();
552	>	assertSame(q, p.getQueue());
553	>	await(done);
554	>	return Boolean.TRUE;
555	>	}};
556	>	tasks[i] = new FutureTask(task);
557	>	p.execute(tasks[i]);
558	>	}
559	>	await(threadStarted);
560	>	assertSame(q, p.getQueue());
561	>	assertFalse(q.contains(tasks[0]));
562	>	assertTrue(q.contains(tasks[tasks.length - 1]));
563	>	assertEquals(tasks.length - 1, q.size());
564	>	}
565		}
566
567		/**
568	<	*   getActiveCount gives correct values
568	>	* remove(task) removes queued task, and fails to remove active task
569		*/
570	<	public void testGetActiveCount(){
571	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
572	<	assertEquals(0, two.getActiveCount());
573	<	two.execute(new MediumRunnable());
574	<	try{
575	<	Thread.sleep(SHORT_DELAY_MS);
576	<	} catch(Exception e){
577	<	fail("unexpected exception");
570	>	public void testRemove() throws InterruptedException {
571	>	final CountDownLatch done = new CountDownLatch(1);
572	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
573	>	final ThreadPoolExecutor p =
574	>	new ThreadPoolExecutor(1, 1,
575	>	LONG_DELAY_MS, MILLISECONDS,
576	>	q);
577	>	try (PoolCleaner cleaner = cleaner(p, done)) {
578	>	Runnable[] tasks = new Runnable[6];
579	>	final CountDownLatch threadStarted = new CountDownLatch(1);
580	>	for (int i = 0; i < tasks.length; i++) {
581	>	tasks[i] = new CheckedRunnable() {
582	>	public void realRun() throws InterruptedException {
583	>	threadStarted.countDown();
584	>	await(done);
585	>	}};
586	>	p.execute(tasks[i]);
587	>	}
588	>	await(threadStarted);
589	>	assertFalse(p.remove(tasks[0]));
590	>	assertTrue(q.contains(tasks[4]));
591	>	assertTrue(q.contains(tasks[3]));
592	>	assertTrue(p.remove(tasks[4]));
593	>	assertFalse(p.remove(tasks[4]));
594	>	assertFalse(q.contains(tasks[4]));
595	>	assertTrue(q.contains(tasks[3]));
596	>	assertTrue(p.remove(tasks[3]));
597	>	assertFalse(q.contains(tasks[3]));
598		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
599		}
600	<
600	>
601		/**
602	<	*   getCompleteTaskCount gives correct values
602	>	* purge removes cancelled tasks from the queue
603		*/
604	<	public void testGetCompletedTaskCount(){
605	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
606	<	assertEquals(0, two.getCompletedTaskCount());
607	<	two.execute(new ShortRunnable());
608	<	try{
609	<	Thread.sleep(MEDIUM_DELAY_MS);
610	<	} catch(Exception e){
611	<	fail("unexpected exception");
604	>	public void testPurge() throws InterruptedException {
605	>	final CountDownLatch threadStarted = new CountDownLatch(1);
606	>	final CountDownLatch done = new CountDownLatch(1);
607	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
608	>	final ThreadPoolExecutor p =
609	>	new ThreadPoolExecutor(1, 1,
610	>	LONG_DELAY_MS, MILLISECONDS,
611	>	q);
612	>	try (PoolCleaner cleaner = cleaner(p, done)) {
613	>	FutureTask[] tasks = new FutureTask[5];
614	>	for (int i = 0; i < tasks.length; i++) {
615	>	Callable task = new CheckedCallable<Boolean>() {
616	>	public Boolean realCall() throws InterruptedException {
617	>	threadStarted.countDown();
618	>	await(done);
619	>	return Boolean.TRUE;
620	>	}};
621	>	tasks[i] = new FutureTask(task);
622	>	p.execute(tasks[i]);
623	>	}
624	>	await(threadStarted);
625	>	assertEquals(tasks.length, p.getTaskCount());
626	>	assertEquals(tasks.length - 1, q.size());
627	>	assertEquals(1L, p.getActiveCount());
628	>	assertEquals(0L, p.getCompletedTaskCount());
629	>	tasks[4].cancel(true);
630	>	tasks[3].cancel(false);
631	>	p.purge();
632	>	assertEquals(tasks.length - 3, q.size());
633	>	assertEquals(tasks.length - 2, p.getTaskCount());
634	>	p.purge();         // Nothing to do
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
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	>	final 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	>	await(threadsStarted);
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	<	*   getCorePoolSize gives correct values
773	>	* Constructor throws if maximumPoolSize is equal to zero
774		*/
775	<	public void testGetCorePoolSize(){
776	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
777	<	assertEquals(1, one.getCorePoolSize());
778	<	joinPool(one);
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	<
783	>
784		/**
785	<	*   getKeepAliveTime gives correct values
785	>	* Constructor throws if keepAliveTime is less than zero
786		*/
787	<	public void testGetKeepAliveTime(){
788	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
789	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
790	<	joinPool(two);
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	<
795	>
796		/**
797	<	*   getLargestPoolSize gives correct values
797	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
798		*/
799	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
799	>	public void testConstructor10() {
800		try {
801	<	assertEquals(0, two.getLargestPoolSize());
802	<	two.execute(new MediumRunnable());
803	<	two.execute(new MediumRunnable());
804	<	Thread.sleep(SHORT_DELAY_MS);
805	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
801	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
802	>	new ArrayBlockingQueue<Runnable>(10),
803	>	new SimpleThreadFactory());
804	>	shouldThrow();
805	>	} catch (IllegalArgumentException success) {}
806		}
807	<
807	>
808		/**
809	<	*   getMaximumPoolSize gives correct values
809	>	* Constructor throws if workQueue is set to null
810		*/
811	<	public void testGetMaximumPoolSize(){
812	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
813	<	assertEquals(2, two.getMaximumPoolSize());
814	<	joinPool(two);
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	<
819	>
820		/**
821	<	*   getPoolSize gives correct values
821	>	* Constructor throws if threadFactory is set to null
822		*/
823	<	public void testGetPoolSize(){
824	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
825	<	assertEquals(0, one.getPoolSize());
826	<	one.execute(new MediumRunnable());
827	<	assertEquals(1, one.getPoolSize());
828	<	joinPool(one);
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	<
843	>
844		/**
845	<	*   getTaskCount gives correct values
845	>	* Constructor throws if maximumPoolSize is less than zero
846		*/
847	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
847	>	public void testConstructor12() {
848		try {
849	<	assertEquals(0, one.getTaskCount());
850	<	for(int i = 0; i < 5; i++)
851	<	one.execute(new MediumRunnable());
852	<	Thread.sleep(SHORT_DELAY_MS);
853	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
849	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
850	>	new ArrayBlockingQueue<Runnable>(10),
851	>	new NoOpREHandler());
852	>	shouldThrow();
853	>	} catch (IllegalArgumentException success) {}
854		}
855	<
855	>
856		/**
857	<	*   isShutDown gives correct values
857	>	* Constructor throws if maximumPoolSize is equal to zero
858		*/
859	<	public void testIsShutdown(){
860	<
861	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
862	<	assertFalse(one.isShutdown());
863	<	one.shutdown();
864	<	assertTrue(one.isShutdown());
865	<	joinPool(one);
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
175	–
868		/**
869	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
869	>	* Constructor throws if keepAliveTime is less than zero
870		*/
871	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
871	>	public void testConstructor14() {
872		try {
873	<	one.execute(new MediumRunnable());
874	<	} finally {
875	<	one.shutdown();
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	>	* Constructor throws if ThreadFactory is null
1009	>	*/
1010	>	public void testConstructorNullPointerException8() {
1011	>	try {
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 CountDownLatch done = new CountDownLatch(1);
1025	>	final ThreadPoolExecutor p =
1026	>	new ThreadPoolExecutor(1, 1,
1027	>	60, SECONDS,
1028	>	new ArrayBlockingQueue<Runnable>(10));
1029	>
1030	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1031	>	final CountDownLatch threadStarted = new CountDownLatch(1);
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	>	await(done);
1038	>	return Boolean.TRUE;
1039	>	}};
1040	>	p.submit(task).get();
1041	>	}});
1042	>
1043	>	await(threadStarted);
1044	>	t.interrupt();
1045	>	awaitTermination(t);
1046		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1047		}
1048
1049		/**
1050	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1050	>	* execute throws RejectedExecutionException if saturated.
1051		*/
1052	<	public void testPurge(){
1053	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1054	<	CancellableTask[] tasks = new CancellableTask[5];
1055	<	for(int i = 0; i < 5; i++){
1056	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1057	<	one.execute(tasks[i]);
1052	>	public void testSaturatedExecute() {
1053	>	final CountDownLatch done = new CountDownLatch(1);
1054	>	final ThreadPoolExecutor p =
1055	>	new ThreadPoolExecutor(1, 1,
1056	>	LONG_DELAY_MS, MILLISECONDS,
1057	>	new ArrayBlockingQueue<Runnable>(1));
1058	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1059	>	Runnable task = new CheckedRunnable() {
1060	>	public void realRun() throws InterruptedException {
1061	>	await(done);
1062	>	}};
1063	>	for (int i = 0; i < 2; ++i)
1064	>	p.execute(task);
1065	>	for (int i = 0; i < 2; ++i) {
1066	>	try {
1067	>	p.execute(task);
1068	>	shouldThrow();
1069	>	} catch (RejectedExecutionException success) {}
1070	>	assertTrue(p.getTaskCount() <= 2);
1071	>	}
1072		}
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);
1073		}
1074
1075		/**
1076	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1076	>	* submit(runnable) throws RejectedExecutionException if saturated.
1077		*/
1078	<	public void testShutDownNow(){
1079	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1080	<	List l;
1081	<	try {
1082	<	for(int i = 0; i < 5; i++)
1083	<	one.execute(new MediumPossiblyInterruptedRunnable());
1078	>	public void testSaturatedSubmitRunnable() {
1079	>	final CountDownLatch done = new CountDownLatch(1);
1080	>	final ThreadPoolExecutor p =
1081	>	new ThreadPoolExecutor(1, 1,
1082	>	LONG_DELAY_MS, MILLISECONDS,
1083	>	new ArrayBlockingQueue<Runnable>(1));
1084	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1085	>	Runnable task = new CheckedRunnable() {
1086	>	public void realRun() throws InterruptedException {
1087	>	await(done);
1088	>	}};
1089	>	for (int i = 0; i < 2; ++i)
1090	>	p.submit(task);
1091	>	for (int i = 0; i < 2; ++i) {
1092	>	try {
1093	>	p.execute(task);
1094	>	shouldThrow();
1095	>	} catch (RejectedExecutionException success) {}
1096	>	assertTrue(p.getTaskCount() <= 2);
1097	>	}
1098		}
1099	<	finally {
1100	<	l = one.shutdownNow();
1099	>	}
1100	>
1101	>	/**
1102	>	* submit(callable) throws RejectedExecutionException if saturated.
1103	>	*/
1104	>	public void testSaturatedSubmitCallable() {
1105	>	final CountDownLatch done = new CountDownLatch(1);
1106	>	final ThreadPoolExecutor p =
1107	>	new ThreadPoolExecutor(1, 1,
1108	>	LONG_DELAY_MS, MILLISECONDS,
1109	>	new ArrayBlockingQueue<Runnable>(1));
1110	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1111	>	Runnable task = new CheckedRunnable() {
1112	>	public void realRun() throws InterruptedException {
1113	>	await(done);
1114	>	}};
1115	>	for (int i = 0; i < 2; ++i)
1116	>	p.submit(Executors.callable(task));
1117	>	for (int i = 0; i < 2; ++i) {
1118	>	try {
1119	>	p.execute(task);
1120	>	shouldThrow();
1121	>	} catch (RejectedExecutionException success) {}
1122	>	assertTrue(p.getTaskCount() <= 2);
1123	>	}
1124		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1125		}
1126
1127	<	// Exception Tests
1128	<
1127	>	/**
1128	>	* executor using CallerRunsPolicy runs task if saturated.
1129	>	*/
1130	>	public void testSaturatedExecute2() {
1131	>	final ThreadPoolExecutor p =
1132	>	new ThreadPoolExecutor(1, 1,
1133	>	LONG_DELAY_MS,
1134	>	MILLISECONDS,
1135	>	new ArrayBlockingQueue<Runnable>(1),
1136	>	new ThreadPoolExecutor.CallerRunsPolicy());
1137	>	try (PoolCleaner cleaner = cleaner(p)) {
1138	>	final CountDownLatch done = new CountDownLatch(1);
1139	>	Runnable blocker = new CheckedRunnable() {
1140	>	public void realRun() throws InterruptedException {
1141	>	await(done);
1142	>	}};
1143	>	p.execute(blocker);
1144	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145	>	for (int i = 0; i < tasks.length; i++)
1146	>	tasks[i] = new TrackedNoOpRunnable();
1147	>	for (int i = 0; i < tasks.length; i++)
1148	>	p.execute(tasks[i]);
1149	>	for (int i = 1; i < tasks.length; i++)
1150	>	assertTrue(tasks[i].done);
1151	>	assertFalse(tasks[0].done); // waiting in queue
1152	>	done.countDown();
1153	>	}
1154	>	}
1155
1156	<	/** Throws if corePoolSize argument is less than zero */
1157	<	public void testConstructor1() {
1158	<	try{
1159	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1160	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1156	>	/**
1157	>	* executor using DiscardPolicy drops task if saturated.
1158	>	*/
1159	>	public void testSaturatedExecute3() {
1160	>	final CountDownLatch done = new CountDownLatch(1);
1161	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1162	>	for (int i = 0; i < tasks.length; ++i)
1163	>	tasks[i] = new TrackedNoOpRunnable();
1164	>	final ThreadPoolExecutor p =
1165	>	new ThreadPoolExecutor(1, 1,
1166	>	LONG_DELAY_MS, MILLISECONDS,
1167	>	new ArrayBlockingQueue<Runnable>(1),
1168	>	new ThreadPoolExecutor.DiscardPolicy());
1169	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1170	>	p.execute(awaiter(done));
1171	>
1172	>	for (TrackedNoOpRunnable task : tasks)
1173	>	p.execute(task);
1174	>	for (int i = 1; i < tasks.length; i++)
1175	>	assertFalse(tasks[i].done);
1176	>	}
1177	>	for (int i = 1; i < tasks.length; i++)
1178	>	assertFalse(tasks[i].done);
1179	>	assertTrue(tasks[0].done); // was waiting in queue
1180	>	}
1181	>
1182	>	/**
1183	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1184	>	*/
1185	>	public void testSaturatedExecute4() {
1186	>	final CountDownLatch done = new CountDownLatch(1);
1187	>	LatchAwaiter r1 = awaiter(done);
1188	>	LatchAwaiter r2 = awaiter(done);
1189	>	LatchAwaiter r3 = awaiter(done);
1190	>	final ThreadPoolExecutor p =
1191	>	new ThreadPoolExecutor(1, 1,
1192	>	LONG_DELAY_MS, MILLISECONDS,
1193	>	new ArrayBlockingQueue<Runnable>(1),
1194	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1195	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1196	>	assertEquals(LatchAwaiter.NEW, r1.state);
1197	>	assertEquals(LatchAwaiter.NEW, r2.state);
1198	>	assertEquals(LatchAwaiter.NEW, r3.state);
1199	>	p.execute(r1);
1200	>	p.execute(r2);
1201	>	assertTrue(p.getQueue().contains(r2));
1202	>	p.execute(r3);
1203	>	assertFalse(p.getQueue().contains(r2));
1204	>	assertTrue(p.getQueue().contains(r3));
1205	>	}
1206	>	assertEquals(LatchAwaiter.DONE, r1.state);
1207	>	assertEquals(LatchAwaiter.NEW, r2.state);
1208	>	assertEquals(LatchAwaiter.DONE, r3.state);
1209	>	}
1210	>
1211	>	/**
1212	>	* execute throws RejectedExecutionException if shutdown
1213	>	*/
1214	>	public void testRejectedExecutionExceptionOnShutdown() {
1215	>	final ThreadPoolExecutor p =
1216	>	new ThreadPoolExecutor(1, 1,
1217	>	LONG_DELAY_MS, MILLISECONDS,
1218	>	new ArrayBlockingQueue<Runnable>(1));
1219	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1220	>	try (PoolCleaner cleaner = cleaner(p)) {
1221	>	try {
1222	>	p.execute(new NoOpRunnable());
1223	>	shouldThrow();
1224	>	} catch (RejectedExecutionException success) {}
1225		}
242	–	catch (IllegalArgumentException success){}
1226		}
1227	<
1228	<	/** Throws if maximumPoolSize is less than zero */
1229	<	public void testConstructor2() {
1230	<	try{
1231	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1232	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1227	>
1228	>	/**
1229	>	* execute using CallerRunsPolicy drops task on shutdown
1230	>	*/
1231	>	public void testCallerRunsOnShutdown() {
1232	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1233	>	final ThreadPoolExecutor p =
1234	>	new ThreadPoolExecutor(1, 1,
1235	>	LONG_DELAY_MS, MILLISECONDS,
1236	>	new ArrayBlockingQueue<Runnable>(1), h);
1237	>
1238	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1239	>	try (PoolCleaner cleaner = cleaner(p)) {
1240	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1241	>	p.execute(r);
1242	>	assertFalse(r.done);
1243		}
251	–	catch (IllegalArgumentException success){}
1244		}
1245	<
1246	<	/** Throws if maximumPoolSize is equal to zero */
1247	<	public void testConstructor3() {
1248	<	try{
1249	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1250	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1245	>
1246	>	/**
1247	>	* execute using DiscardPolicy drops task on shutdown
1248	>	*/
1249	>	public void testDiscardOnShutdown() {
1250	>	final ThreadPoolExecutor p =
1251	>	new ThreadPoolExecutor(1, 1,
1252	>	LONG_DELAY_MS, MILLISECONDS,
1253	>	new ArrayBlockingQueue<Runnable>(1),
1254	>	new ThreadPoolExecutor.DiscardPolicy());
1255	>
1256	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1257	>	try (PoolCleaner cleaner = cleaner(p)) {
1258	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1259	>	p.execute(r);
1260	>	assertFalse(r.done);
1261		}
260	–	catch (IllegalArgumentException success){}
1262		}
1263
1264	<	/** Throws if keepAliveTime is less than zero */
1265	<	public void testConstructor4() {
1266	<	try{
1267	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1268	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1264	>	/**
1265	>	* execute using DiscardOldestPolicy drops task on shutdown
1266	>	*/
1267	>	public void testDiscardOldestOnShutdown() {
1268	>	final ThreadPoolExecutor p =
1269	>	new ThreadPoolExecutor(1, 1,
1270	>	LONG_DELAY_MS, MILLISECONDS,
1271	>	new ArrayBlockingQueue<Runnable>(1),
1272	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1273	>
1274	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1275	>	try (PoolCleaner cleaner = cleaner(p)) {
1276	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1277	>	p.execute(r);
1278	>	assertFalse(r.done);
1279		}
269	–	catch (IllegalArgumentException success){}
1280		}
1281
1282	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1283	<	public void testConstructor5() {
1284	<	try{
1285	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1286	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1282	>	/**
1283	>	* execute(null) throws NPE
1284	>	*/
1285	>	public void testExecuteNull() {
1286	>	final ThreadPoolExecutor p =
1287	>	new ThreadPoolExecutor(1, 2,
1288	>	1L, SECONDS,
1289	>	new ArrayBlockingQueue<Runnable>(10));
1290	>	try (PoolCleaner cleaner = cleaner(p)) {
1291	>	try {
1292	>	p.execute(null);
1293	>	shouldThrow();
1294	>	} catch (NullPointerException success) {}
1295		}
278	–	catch (IllegalArgumentException success){}
1296		}
1297	<
1298	<	/** Throws if workQueue is set to null */
1299	<	public void testNullPointerException() {
1300	<	try{
1301	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1302	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1297	>
1298	>	/**
1299	>	* setCorePoolSize of negative value throws IllegalArgumentException
1300	>	*/
1301	>	public void testCorePoolSizeIllegalArgumentException() {
1302	>	final ThreadPoolExecutor p =
1303	>	new ThreadPoolExecutor(1, 2,
1304	>	LONG_DELAY_MS, MILLISECONDS,
1305	>	new ArrayBlockingQueue<Runnable>(10));
1306	>	try (PoolCleaner cleaner = cleaner(p)) {
1307	>	try {
1308	>	p.setCorePoolSize(-1);
1309	>	shouldThrow();
1310	>	} catch (IllegalArgumentException success) {}
1311		}
287	–	catch (NullPointerException success){}
1312		}
289	–
1313
1314	<
1315	<	/** Throws if corePoolSize argument is less than zero */
1316	<	public void testConstructor6() {
1317	<	try{
1318	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1319	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1320	<	} catch (IllegalArgumentException success){}
1314	>	/**
1315	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1316	>	* given a value less the core pool size
1317	>	*/
1318	>	public void testMaximumPoolSizeIllegalArgumentException() {
1319	>	final ThreadPoolExecutor p =
1320	>	new ThreadPoolExecutor(2, 3,
1321	>	LONG_DELAY_MS, MILLISECONDS,
1322	>	new ArrayBlockingQueue<Runnable>(10));
1323	>	try (PoolCleaner cleaner = cleaner(p)) {
1324	>	try {
1325	>	p.setMaximumPoolSize(1);
1326	>	shouldThrow();
1327	>	} catch (IllegalArgumentException success) {}
1328	>	}
1329		}
1330	<
1331	<	/** Throws if maximumPoolSize is less than zero */
1332	<	public void testConstructor7() {
1333	<	try{
1334	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1335	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1330	>
1331	>	/**
1332	>	* setMaximumPoolSize throws IllegalArgumentException
1333	>	* if given a negative value
1334	>	*/
1335	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1336	>	final ThreadPoolExecutor p =
1337	>	new ThreadPoolExecutor(2, 3,
1338	>	LONG_DELAY_MS, MILLISECONDS,
1339	>	new ArrayBlockingQueue<Runnable>(10));
1340	>	try (PoolCleaner cleaner = cleaner(p)) {
1341	>	try {
1342	>	p.setMaximumPoolSize(-1);
1343	>	shouldThrow();
1344	>	} catch (IllegalArgumentException success) {}
1345		}
306	–	catch (IllegalArgumentException success){}
1346		}
1347
1348	<	/** Throws if maximumPoolSize is equal to zero */
1349	<	public void testConstructor8() {
1350	<	try{
1351	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1352	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1348	>	/**
1349	>	* Configuration changes that allow core pool size greater than
1350	>	* max pool size result in IllegalArgumentException.
1351	>	*/
1352	>	public void testPoolSizeInvariants() {
1353	>	final ThreadPoolExecutor p =
1354	>	new ThreadPoolExecutor(1, 1,
1355	>	LONG_DELAY_MS, MILLISECONDS,
1356	>	new ArrayBlockingQueue<Runnable>(10));
1357	>	try (PoolCleaner cleaner = cleaner(p)) {
1358	>	for (int s = 1; s < 5; s++) {
1359	>	p.setMaximumPoolSize(s);
1360	>	p.setCorePoolSize(s);
1361	>	try {
1362	>	p.setMaximumPoolSize(s - 1);
1363	>	shouldThrow();
1364	>	} catch (IllegalArgumentException success) {}
1365	>	assertEquals(s, p.getCorePoolSize());
1366	>	assertEquals(s, p.getMaximumPoolSize());
1367	>	try {
1368	>	p.setCorePoolSize(s + 1);
1369	>	shouldThrow();
1370	>	} catch (IllegalArgumentException success) {}
1371	>	assertEquals(s, p.getCorePoolSize());
1372	>	assertEquals(s, p.getMaximumPoolSize());
1373	>	}
1374		}
315	–	catch (IllegalArgumentException success){}
1375		}
1376
1377	<	/** Throws if keepAliveTime is less than zero */
1378	<	public void testConstructor9() {
1379	<	try{
1380	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1381	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1377	>	/**
1378	>	* setKeepAliveTime throws IllegalArgumentException
1379	>	* when given a negative value
1380	>	*/
1381	>	public void testKeepAliveTimeIllegalArgumentException() {
1382	>	final ThreadPoolExecutor p =
1383	>	new ThreadPoolExecutor(2, 3,
1384	>	LONG_DELAY_MS, MILLISECONDS,
1385	>	new ArrayBlockingQueue<Runnable>(10));
1386	>	try (PoolCleaner cleaner = cleaner(p)) {
1387	>	try {
1388	>	p.setKeepAliveTime(-1, MILLISECONDS);
1389	>	shouldThrow();
1390	>	} catch (IllegalArgumentException success) {}
1391		}
324	–	catch (IllegalArgumentException success){}
1392		}
1393
1394	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1395	<	public void testConstructor10() {
1396	<	try{
1397	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1398	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1394	>	/**
1395	>	* terminated() is called on termination
1396	>	*/
1397	>	public void testTerminated() {
1398	>	ExtendedTPE p = new ExtendedTPE();
1399	>	try (PoolCleaner cleaner = cleaner(p)) {
1400	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1401	>	assertTrue(p.terminatedCalled());
1402	>	assertTrue(p.isShutdown());
1403		}
333	–	catch (IllegalArgumentException success){}
1404		}
1405
1406	<	/** Throws if workQueue is set to null */
1407	<	public void testNullPointerException2() {
1408	<	try{
1409	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1410	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1406	>	/**
1407	>	* beforeExecute and afterExecute are called when executing task
1408	>	*/
1409	>	public void testBeforeAfter() throws InterruptedException {
1410	>	ExtendedTPE p = new ExtendedTPE();
1411	>	try (PoolCleaner cleaner = cleaner(p)) {
1412	>	final CountDownLatch done = new CountDownLatch(1);
1413	>	p.execute(new CheckedRunnable() {
1414	>	public void realRun() {
1415	>	done.countDown();
1416	>	}});
1417	>	await(p.afterCalled);
1418	>	assertEquals(0, done.getCount());
1419	>	assertTrue(p.afterCalled());
1420	>	assertTrue(p.beforeCalled());
1421		}
342	–	catch (NullPointerException success){}
1422		}
1423
1424	<	/** Throws if threadFactory is set to null */
1425	<	public void testNullPointerException3() {
1426	<	try{
1427	<	ThreadFactory f = null;
1428	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1429	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1424	>	/**
1425	>	* completed submit of callable returns result
1426	>	*/
1427	>	public void testSubmitCallable() throws Exception {
1428	>	final ExecutorService e =
1429	>	new ThreadPoolExecutor(2, 2,
1430	>	LONG_DELAY_MS, MILLISECONDS,
1431	>	new ArrayBlockingQueue<Runnable>(10));
1432	>	try (PoolCleaner cleaner = cleaner(e)) {
1433	>	Future<String> future = e.submit(new StringTask());
1434	>	String result = future.get();
1435	>	assertSame(TEST_STRING, result);
1436		}
352	–	catch (NullPointerException success){}
1437		}
1438	<
1439	<
1440	<	/** Throws if corePoolSize argument is less than zero */
1441	<	public void testConstructor11() {
1442	<	try{
1443	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1444	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1438	>
1439	>	/**
1440	>	* completed submit of runnable returns successfully
1441	>	*/
1442	>	public void testSubmitRunnable() throws Exception {
1443	>	final ExecutorService e =
1444	>	new ThreadPoolExecutor(2, 2,
1445	>	LONG_DELAY_MS, MILLISECONDS,
1446	>	new ArrayBlockingQueue<Runnable>(10));
1447	>	try (PoolCleaner cleaner = cleaner(e)) {
1448	>	Future<?> future = e.submit(new NoOpRunnable());
1449	>	future.get();
1450	>	assertTrue(future.isDone());
1451		}
362	–	catch (IllegalArgumentException success){}
1452		}
1453
1454	<	/** Throws if maximumPoolSize is less than zero */
1455	<	public void testConstructor12() {
1456	<	try{
1457	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1458	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1454	>	/**
1455	>	* completed submit of (runnable, result) returns result
1456	>	*/
1457	>	public void testSubmitRunnable2() throws Exception {
1458	>	final ExecutorService e =
1459	>	new ThreadPoolExecutor(2, 2,
1460	>	LONG_DELAY_MS, MILLISECONDS,
1461	>	new ArrayBlockingQueue<Runnable>(10));
1462	>	try (PoolCleaner cleaner = cleaner(e)) {
1463	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1464	>	String result = future.get();
1465	>	assertSame(TEST_STRING, result);
1466		}
371	–	catch (IllegalArgumentException success){}
1467		}
1468
1469	<	/** Throws if maximumPoolSize is equal to zero */
1470	<	public void testConstructor13() {
1471	<	try{
1472	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1473	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1469	>	/**
1470	>	* invokeAny(null) throws NPE
1471	>	*/
1472	>	public void testInvokeAny1() throws Exception {
1473	>	final ExecutorService e =
1474	>	new ThreadPoolExecutor(2, 2,
1475	>	LONG_DELAY_MS, MILLISECONDS,
1476	>	new ArrayBlockingQueue<Runnable>(10));
1477	>	try (PoolCleaner cleaner = cleaner(e)) {
1478	>	try {
1479	>	e.invokeAny(null);
1480	>	shouldThrow();
1481	>	} catch (NullPointerException success) {}
1482		}
380	–	catch (IllegalArgumentException success){}
1483		}
1484
1485	<	/** Throws if keepAliveTime is less than zero */
1486	<	public void testConstructor14() {
1487	<	try{
1488	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1489	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1485	>	/**
1486	>	* invokeAny(empty collection) throws IAE
1487	>	*/
1488	>	public void testInvokeAny2() throws Exception {
1489	>	final ExecutorService e =
1490	>	new ThreadPoolExecutor(2, 2,
1491	>	LONG_DELAY_MS, MILLISECONDS,
1492	>	new ArrayBlockingQueue<Runnable>(10));
1493	>	try (PoolCleaner cleaner = cleaner(e)) {
1494	>	try {
1495	>	e.invokeAny(new ArrayList<Callable<String>>());
1496	>	shouldThrow();
1497	>	} catch (IllegalArgumentException success) {}
1498		}
389	–	catch (IllegalArgumentException success){}
1499		}
1500
1501	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1502	<	public void testConstructor15() {
1503	<	try{
1504	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1505	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1501	>	/**
1502	>	* invokeAny(c) throws NPE if c has null elements
1503	>	*/
1504	>	public void testInvokeAny3() throws Exception {
1505	>	final CountDownLatch latch = new CountDownLatch(1);
1506	>	final ExecutorService e =
1507	>	new ThreadPoolExecutor(2, 2,
1508	>	LONG_DELAY_MS, MILLISECONDS,
1509	>	new ArrayBlockingQueue<Runnable>(10));
1510	>	try (PoolCleaner cleaner = cleaner(e)) {
1511	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1512	>	l.add(latchAwaitingStringTask(latch));
1513	>	l.add(null);
1514	>	try {
1515	>	e.invokeAny(l);
1516	>	shouldThrow();
1517	>	} catch (NullPointerException success) {}
1518	>	latch.countDown();
1519		}
398	–	catch (IllegalArgumentException success){}
1520		}
1521
1522	<	/** Throws if workQueue is set to null */
1523	<	public void testNullPointerException4() {
1524	<	try{
1525	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1526	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1522	>	/**
1523	>	* invokeAny(c) throws ExecutionException if no task completes
1524	>	*/
1525	>	public void testInvokeAny4() throws Exception {
1526	>	final ExecutorService e =
1527	>	new ThreadPoolExecutor(2, 2,
1528	>	LONG_DELAY_MS, MILLISECONDS,
1529	>	new ArrayBlockingQueue<Runnable>(10));
1530	>	try (PoolCleaner cleaner = cleaner(e)) {
1531	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1532	>	l.add(new NPETask());
1533	>	try {
1534	>	e.invokeAny(l);
1535	>	shouldThrow();
1536	>	} catch (ExecutionException success) {
1537	>	assertTrue(success.getCause() instanceof NullPointerException);
1538	>	}
1539		}
407	–	catch (NullPointerException success){}
1540		}
1541
1542	<	/** Throws if handler is set to null */
1543	<	public void testNullPointerException5() {
1544	<	try{
1545	<	RejectedExecutionHandler r = null;
1546	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1547	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1542	>	/**
1543	>	* invokeAny(c) returns result of some task
1544	>	*/
1545	>	public void testInvokeAny5() throws Exception {
1546	>	final ExecutorService e =
1547	>	new ThreadPoolExecutor(2, 2,
1548	>	LONG_DELAY_MS, MILLISECONDS,
1549	>	new ArrayBlockingQueue<Runnable>(10));
1550	>	try (PoolCleaner cleaner = cleaner(e)) {
1551	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1552	>	l.add(new StringTask());
1553	>	l.add(new StringTask());
1554	>	String result = e.invokeAny(l);
1555	>	assertSame(TEST_STRING, result);
1556		}
417	–	catch (NullPointerException success){}
1557		}
1558
1559	<
1560	<	/** Throws if corePoolSize argument is less than zero */
1561	<	public void testConstructor16() {
1562	<	try{
1563	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1564	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1559	>	/**
1560	>	* invokeAll(null) throws NPE
1561	>	*/
1562	>	public void testInvokeAll1() throws Exception {
1563	>	final ExecutorService e =
1564	>	new ThreadPoolExecutor(2, 2,
1565	>	LONG_DELAY_MS, MILLISECONDS,
1566	>	new ArrayBlockingQueue<Runnable>(10));
1567	>	try (PoolCleaner cleaner = cleaner(e)) {
1568	>	try {
1569	>	e.invokeAll(null);
1570	>	shouldThrow();
1571	>	} catch (NullPointerException success) {}
1572		}
427	–	catch (IllegalArgumentException success){}
1573		}
1574
1575	<	/** Throws if maximumPoolSize is less than zero */
1576	<	public void testConstructor17() {
1577	<	try{
1578	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1579	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1575	>	/**
1576	>	* invokeAll(empty collection) returns empty collection
1577	>	*/
1578	>	public void testInvokeAll2() throws InterruptedException {
1579	>	final ExecutorService e =
1580	>	new ThreadPoolExecutor(2, 2,
1581	>	LONG_DELAY_MS, MILLISECONDS,
1582	>	new ArrayBlockingQueue<Runnable>(10));
1583	>	try (PoolCleaner cleaner = cleaner(e)) {
1584	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1585	>	assertTrue(r.isEmpty());
1586		}
436	–	catch (IllegalArgumentException success){}
1587		}
1588
1589	<	/** Throws if maximumPoolSize is equal to zero */
1590	<	public void testConstructor18() {
1591	<	try{
1592	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1593	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1589	>	/**
1590	>	* invokeAll(c) throws NPE if c has null elements
1591	>	*/
1592	>	public void testInvokeAll3() throws Exception {
1593	>	final ExecutorService e =
1594	>	new ThreadPoolExecutor(2, 2,
1595	>	LONG_DELAY_MS, MILLISECONDS,
1596	>	new ArrayBlockingQueue<Runnable>(10));
1597	>	try (PoolCleaner cleaner = cleaner(e)) {
1598	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1599	>	l.add(new StringTask());
1600	>	l.add(null);
1601	>	try {
1602	>	e.invokeAll(l);
1603	>	shouldThrow();
1604	>	} catch (NullPointerException success) {}
1605		}
445	–	catch (IllegalArgumentException success){}
1606		}
1607
1608	<	/** Throws if keepAliveTime is less than zero */
1609	<	public void testConstructor19() {
1610	<	try{
1611	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1612	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1608	>	/**
1609	>	* get of element of invokeAll(c) throws exception on failed task
1610	>	*/
1611	>	public void testInvokeAll4() throws Exception {
1612	>	final ExecutorService e =
1613	>	new ThreadPoolExecutor(2, 2,
1614	>	LONG_DELAY_MS, MILLISECONDS,
1615	>	new ArrayBlockingQueue<Runnable>(10));
1616	>	try (PoolCleaner cleaner = cleaner(e)) {
1617	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1618	>	l.add(new NPETask());
1619	>	List<Future<String>> futures = e.invokeAll(l);
1620	>	assertEquals(1, futures.size());
1621	>	try {
1622	>	futures.get(0).get();
1623	>	shouldThrow();
1624	>	} catch (ExecutionException success) {
1625	>	assertTrue(success.getCause() instanceof NullPointerException);
1626	>	}
1627		}
454	–	catch (IllegalArgumentException success){}
1628		}
1629
1630	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1631	<	public void testConstructor20() {
1632	<	try{
1633	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1634	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1635	<	}
1636	<	catch (IllegalArgumentException success){}
1637	<	}
1638	<
1639	<	/** Throws if workQueue is set to null */
1640	<	public void testNullPointerException6() {
1641	<	try{
1642	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1643	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1644	<	}
1645	<	catch (NullPointerException success){}
1646	<	}
1647	<
1648	<	/** Throws if handler is set to null */
1649	<	public void testNullPointerException7() {
1650	<	try{
1651	<	RejectedExecutionHandler r = null;
1652	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1653	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1654	<	}
1655	<	catch (NullPointerException success){}
1656	<	}
1657	<
1658	<	/** Throws if ThreadFactory is set top null */
1659	<	public void testNullPointerException8() {
1660	<	try{
1661	<	ThreadFactory f = null;
1662	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1663	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1664	<	}
1665	<	catch (NullPointerException successdn8){}
1666	<	}
1667	<
1668	<
1669	<	/**
1670	<	*   execute will throw RejectedExcutionException
1671	<	*  ThreadPoolExecutor will throw one when more runnables are
1672	<	*  executed then will fit in the Queue.
1673	<	*/
1674	<	public void testRejectedExecutionException(){
1675	<	ThreadPoolExecutor tpe = null;
1676	<	try{
1677	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1678	<	} catch(Exception e){}
1679	<	tpe.shutdown();
507	<	try{
508	<	tpe.execute(new NoOpRunnable());
509	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
510	<	} catch(RejectedExecutionException success){}
511	<
512	<	joinPool(tpe);
513	<	}
514	<
515	<	/**
516	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
518	<	*/
519	<	public void testCorePoolSizeIllegalArgumentException(){
520	<	ThreadPoolExecutor tpe = null;
521	<	try{
522	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
523	<	} catch(Exception e){}
524	<	try{
525	<	tpe.setCorePoolSize(-1);
526	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
527	<	} catch(IllegalArgumentException success){
528	<	} finally {
529	<	tpe.shutdown();
530	<	}
531	<	joinPool(tpe);
532	<	}
533	<
534	<
535	<	/**
536	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
537	<	*  if given a value less the it's actual core pool size
538	<	*/
539	<	public void testMaximumPoolSizeIllegalArgumentException(){
540	<	ThreadPoolExecutor tpe = null;
541	<	try{
542	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
543	<	} catch(Exception e){}
544	<	try{
545	<	tpe.setMaximumPoolSize(1);
546	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
548	<	} finally {
549	<	tpe.shutdown();
550	<	}
551	<	joinPool(tpe);
552	<	}
553	<
554	<	/**
555	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
557	<	*/
558	<	public void testMaximumPoolSizeIllegalArgumentException2(){
559	<	ThreadPoolExecutor tpe = null;
560	<	try{
561	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562	<	} catch(Exception e){}
563	<	try{
564	<	tpe.setMaximumPoolSize(-1);
565	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
566	<	} catch(IllegalArgumentException success){
567	<	} finally {
568	<	tpe.shutdown();
569	<	}
570	<	joinPool(tpe);
571	<	}
572	<
573	<
574	<	/**
575	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
577	<	*/
578	<	public void testKeepAliveTimeIllegalArgumentException(){
579	<	ThreadPoolExecutor tpe = null;
580	<	try{
581	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
582	<	} catch(Exception e){}
583	<
584	<	try{
585	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
586	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
587	<	} catch(IllegalArgumentException success){
588	<	} finally {
589	<	tpe.shutdown();
1630	>	/**
1631	>	* invokeAll(c) returns results of all completed tasks
1632	>	*/
1633	>	public void testInvokeAll5() throws Exception {
1634	>	final ExecutorService e =
1635	>	new ThreadPoolExecutor(2, 2,
1636	>	LONG_DELAY_MS, MILLISECONDS,
1637	>	new ArrayBlockingQueue<Runnable>(10));
1638	>	try (PoolCleaner cleaner = cleaner(e)) {
1639	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1640	>	l.add(new StringTask());
1641	>	l.add(new StringTask());
1642	>	List<Future<String>> futures = e.invokeAll(l);
1643	>	assertEquals(2, futures.size());
1644	>	for (Future<String> future : futures)
1645	>	assertSame(TEST_STRING, future.get());
1646	>	}
1647	>	}
1648	>
1649	>	/**
1650	>	* timed invokeAny(null) throws NPE
1651	>	*/
1652	>	public void testTimedInvokeAny1() throws Exception {
1653	>	final ExecutorService e =
1654	>	new ThreadPoolExecutor(2, 2,
1655	>	LONG_DELAY_MS, MILLISECONDS,
1656	>	new ArrayBlockingQueue<Runnable>(10));
1657	>	try (PoolCleaner cleaner = cleaner(e)) {
1658	>	try {
1659	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1660	>	shouldThrow();
1661	>	} catch (NullPointerException success) {}
1662	>	}
1663	>	}
1664	>
1665	>	/**
1666	>	* timed invokeAny(,,null) throws NPE
1667	>	*/
1668	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1669	>	final ExecutorService e =
1670	>	new ThreadPoolExecutor(2, 2,
1671	>	LONG_DELAY_MS, MILLISECONDS,
1672	>	new ArrayBlockingQueue<Runnable>(10));
1673	>	try (PoolCleaner cleaner = cleaner(e)) {
1674	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1675	>	l.add(new StringTask());
1676	>	try {
1677	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1678	>	shouldThrow();
1679	>	} catch (NullPointerException success) {}
1680		}
591	–	joinPool(tpe);
1681		}
1682	<
1682	>
1683	>	/**
1684	>	* timed invokeAny(empty collection) throws IAE
1685	>	*/
1686	>	public void testTimedInvokeAny2() throws Exception {
1687	>	final ExecutorService e =
1688	>	new ThreadPoolExecutor(2, 2,
1689	>	LONG_DELAY_MS, MILLISECONDS,
1690	>	new ArrayBlockingQueue<Runnable>(10));
1691	>	try (PoolCleaner cleaner = cleaner(e)) {
1692	>	try {
1693	>	e.invokeAny(new ArrayList<Callable<String>>(),
1694	>	MEDIUM_DELAY_MS, MILLISECONDS);
1695	>	shouldThrow();
1696	>	} catch (IllegalArgumentException success) {}
1697	>	}
1698	>	}
1699	>
1700	>	/**
1701	>	* timed invokeAny(c) throws NPE if c has null elements
1702	>	*/
1703	>	public void testTimedInvokeAny3() throws Exception {
1704	>	final CountDownLatch latch = new CountDownLatch(1);
1705	>	final ExecutorService e =
1706	>	new ThreadPoolExecutor(2, 2,
1707	>	LONG_DELAY_MS, MILLISECONDS,
1708	>	new ArrayBlockingQueue<Runnable>(10));
1709	>	try (PoolCleaner cleaner = cleaner(e)) {
1710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1711	>	l.add(latchAwaitingStringTask(latch));
1712	>	l.add(null);
1713	>	try {
1714	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1715	>	shouldThrow();
1716	>	} catch (NullPointerException success) {}
1717	>	latch.countDown();
1718	>	}
1719	>	}
1720	>
1721	>	/**
1722	>	* timed invokeAny(c) throws ExecutionException if no task completes
1723	>	*/
1724	>	public void testTimedInvokeAny4() throws Exception {
1725	>	final ExecutorService e =
1726	>	new ThreadPoolExecutor(2, 2,
1727	>	LONG_DELAY_MS, MILLISECONDS,
1728	>	new ArrayBlockingQueue<Runnable>(10));
1729	>	try (PoolCleaner cleaner = cleaner(e)) {
1730	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1731	>	l.add(new NPETask());
1732	>	try {
1733	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1734	>	shouldThrow();
1735	>	} catch (ExecutionException success) {
1736	>	assertTrue(success.getCause() instanceof NullPointerException);
1737	>	}
1738	>	}
1739	>	}
1740	>
1741	>	/**
1742	>	* timed invokeAny(c) returns result of some task
1743	>	*/
1744	>	public void testTimedInvokeAny5() throws Exception {
1745	>	final ExecutorService e =
1746	>	new ThreadPoolExecutor(2, 2,
1747	>	LONG_DELAY_MS, MILLISECONDS,
1748	>	new ArrayBlockingQueue<Runnable>(10));
1749	>	try (PoolCleaner cleaner = cleaner(e)) {
1750	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1751	>	l.add(new StringTask());
1752	>	l.add(new StringTask());
1753	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1754	>	assertSame(TEST_STRING, result);
1755	>	}
1756	>	}
1757	>
1758	>	/**
1759	>	* timed invokeAll(null) throws NPE
1760	>	*/
1761	>	public void testTimedInvokeAll1() throws Exception {
1762	>	final ExecutorService e =
1763	>	new ThreadPoolExecutor(2, 2,
1764	>	LONG_DELAY_MS, MILLISECONDS,
1765	>	new ArrayBlockingQueue<Runnable>(10));
1766	>	try (PoolCleaner cleaner = cleaner(e)) {
1767	>	try {
1768	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1769	>	shouldThrow();
1770	>	} catch (NullPointerException success) {}
1771	>	}
1772	>	}
1773	>
1774	>	/**
1775	>	* timed invokeAll(,,null) throws NPE
1776	>	*/
1777	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1778	>	final ExecutorService e =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782	>	try (PoolCleaner cleaner = cleaner(e)) {
1783	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1784	>	l.add(new StringTask());
1785	>	try {
1786	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1787	>	shouldThrow();
1788	>	} catch (NullPointerException success) {}
1789	>	}
1790	>	}
1791	>
1792	>	/**
1793	>	* timed invokeAll(empty collection) returns empty collection
1794	>	*/
1795	>	public void testTimedInvokeAll2() throws InterruptedException {
1796	>	final ExecutorService e =
1797	>	new ThreadPoolExecutor(2, 2,
1798	>	LONG_DELAY_MS, MILLISECONDS,
1799	>	new ArrayBlockingQueue<Runnable>(10));
1800	>	try (PoolCleaner cleaner = cleaner(e)) {
1801	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1802	>	MEDIUM_DELAY_MS, MILLISECONDS);
1803	>	assertTrue(r.isEmpty());
1804	>	}
1805	>	}
1806	>
1807	>	/**
1808	>	* timed invokeAll(c) throws NPE if c has null elements
1809	>	*/
1810	>	public void testTimedInvokeAll3() throws Exception {
1811	>	final ExecutorService e =
1812	>	new ThreadPoolExecutor(2, 2,
1813	>	LONG_DELAY_MS, MILLISECONDS,
1814	>	new ArrayBlockingQueue<Runnable>(10));
1815	>	try (PoolCleaner cleaner = cleaner(e)) {
1816	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1817	>	l.add(new StringTask());
1818	>	l.add(null);
1819	>	try {
1820	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1821	>	shouldThrow();
1822	>	} catch (NullPointerException success) {}
1823	>	}
1824	>	}
1825	>
1826	>	/**
1827	>	* get of element of invokeAll(c) throws exception on failed task
1828	>	*/
1829	>	public void testTimedInvokeAll4() throws Exception {
1830	>	final ExecutorService e =
1831	>	new ThreadPoolExecutor(2, 2,
1832	>	LONG_DELAY_MS, MILLISECONDS,
1833	>	new ArrayBlockingQueue<Runnable>(10));
1834	>	try (PoolCleaner cleaner = cleaner(e)) {
1835	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1836	>	l.add(new NPETask());
1837	>	List<Future<String>> futures =
1838	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1839	>	assertEquals(1, futures.size());
1840	>	try {
1841	>	futures.get(0).get();
1842	>	shouldThrow();
1843	>	} catch (ExecutionException success) {
1844	>	assertTrue(success.getCause() instanceof NullPointerException);
1845	>	}
1846	>	}
1847	>	}
1848	>
1849	>	/**
1850	>	* timed invokeAll(c) returns results of all completed tasks
1851	>	*/
1852	>	public void testTimedInvokeAll5() throws Exception {
1853	>	final ExecutorService e =
1854	>	new ThreadPoolExecutor(2, 2,
1855	>	LONG_DELAY_MS, MILLISECONDS,
1856	>	new ArrayBlockingQueue<Runnable>(10));
1857	>	try (PoolCleaner cleaner = cleaner(e)) {
1858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1859	>	l.add(new StringTask());
1860	>	l.add(new StringTask());
1861	>	List<Future<String>> futures =
1862	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1863	>	assertEquals(2, futures.size());
1864	>	for (Future<String> future : futures)
1865	>	assertSame(TEST_STRING, future.get());
1866	>	}
1867	>	}
1868	>
1869	>	/**
1870	>	* timed invokeAll(c) cancels tasks not completed by timeout
1871	>	*/
1872	>	public void testTimedInvokeAll6() throws Exception {
1873	>	for (long timeout = timeoutMillis();;) {
1874	>	final CountDownLatch done = new CountDownLatch(1);
1875	>	final Callable<String> waiter = new CheckedCallable<String>() {
1876	>	public String realCall() {
1877	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1878	>	catch (InterruptedException ok) {}
1879	>	return "1"; }};
1880	>	final ExecutorService p =
1881	>	new ThreadPoolExecutor(2, 2,
1882	>	LONG_DELAY_MS, MILLISECONDS,
1883	>	new ArrayBlockingQueue<Runnable>(10));
1884	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1885	>	List<Callable<String>> tasks = new ArrayList<>();
1886	>	tasks.add(new StringTask("0"));
1887	>	tasks.add(waiter);
1888	>	tasks.add(new StringTask("2"));
1889	>	long startTime = System.nanoTime();
1890	>	List<Future<String>> futures =
1891	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1892	>	assertEquals(tasks.size(), futures.size());
1893	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1894	>	for (Future future : futures)
1895	>	assertTrue(future.isDone());
1896	>	assertTrue(futures.get(1).isCancelled());
1897	>	try {
1898	>	assertEquals("0", futures.get(0).get());
1899	>	assertEquals("2", futures.get(2).get());
1900	>	break;
1901	>	} catch (CancellationException retryWithLongerTimeout) {
1902	>	timeout *= 2;
1903	>	if (timeout >= LONG_DELAY_MS / 2)
1904	>	fail("expected exactly one task to be cancelled");
1905	>	}
1906	>	}
1907	>	}
1908	>	}
1909	>
1910	>	/**
1911	>	* Execution continues if there is at least one thread even if
1912	>	* thread factory fails to create more
1913	>	*/
1914	>	public void testFailingThreadFactory() throws InterruptedException {
1915	>	final ExecutorService e =
1916	>	new ThreadPoolExecutor(100, 100,
1917	>	LONG_DELAY_MS, MILLISECONDS,
1918	>	new LinkedBlockingQueue<Runnable>(),
1919	>	new FailingThreadFactory());
1920	>	try (PoolCleaner cleaner = cleaner(e)) {
1921	>	final int TASKS = 100;
1922	>	final CountDownLatch done = new CountDownLatch(TASKS);
1923	>	for (int k = 0; k < TASKS; ++k)
1924	>	e.execute(new CheckedRunnable() {
1925	>	public void realRun() {
1926	>	done.countDown();
1927	>	}});
1928	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1929	>	}
1930	>	}
1931	>
1932	>	/**
1933	>	* allowsCoreThreadTimeOut is by default false.
1934	>	*/
1935	>	public void testAllowsCoreThreadTimeOut() {
1936	>	final ThreadPoolExecutor p =
1937	>	new ThreadPoolExecutor(2, 2,
1938	>	1000, MILLISECONDS,
1939	>	new ArrayBlockingQueue<Runnable>(10));
1940	>	try (PoolCleaner cleaner = cleaner(p)) {
1941	>	assertFalse(p.allowsCoreThreadTimeOut());
1942	>	}
1943	>	}
1944	>
1945	>	/**
1946	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1947	>	*/
1948	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1949	>	long keepAliveTime = timeoutMillis();
1950	>	final ThreadPoolExecutor p =
1951	>	new ThreadPoolExecutor(2, 10,
1952	>	keepAliveTime, MILLISECONDS,
1953	>	new ArrayBlockingQueue<Runnable>(10));
1954	>	try (PoolCleaner cleaner = cleaner(p)) {
1955	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1956	>	p.allowCoreThreadTimeOut(true);
1957	>	p.execute(new CheckedRunnable() {
1958	>	public void realRun() {
1959	>	threadStarted.countDown();
1960	>	assertEquals(1, p.getPoolSize());
1961	>	}});
1962	>	await(threadStarted);
1963	>	delay(keepAliveTime);
1964	>	long startTime = System.nanoTime();
1965	>	while (p.getPoolSize() > 0
1966	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1967	>	Thread.yield();
1968	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1969	>	assertEquals(0, p.getPoolSize());
1970	>	}
1971	>	}
1972	>
1973	>	/**
1974	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1975	>	*/
1976	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1977	>	long keepAliveTime = timeoutMillis();
1978	>	final ThreadPoolExecutor p =
1979	>	new ThreadPoolExecutor(2, 10,
1980	>	keepAliveTime, MILLISECONDS,
1981	>	new ArrayBlockingQueue<Runnable>(10));
1982	>	try (PoolCleaner cleaner = cleaner(p)) {
1983	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1984	>	p.allowCoreThreadTimeOut(false);
1985	>	p.execute(new CheckedRunnable() {
1986	>	public void realRun() throws InterruptedException {
1987	>	threadStarted.countDown();
1988	>	assertTrue(p.getPoolSize() >= 1);
1989	>	}});
1990	>	delay(2 * keepAliveTime);
1991	>	assertTrue(p.getPoolSize() >= 1);
1992	>	}
1993	>	}
1994	>
1995	>	/**
1996	>	* execute allows the same task to be submitted multiple times, even
1997	>	* if rejected
1998	>	*/
1999	>	public void testRejectedRecycledTask() throws InterruptedException {
2000	>	final int nTasks = 1000;
2001	>	final CountDownLatch done = new CountDownLatch(nTasks);
2002	>	final Runnable recycledTask = new Runnable() {
2003	>	public void run() {
2004	>	done.countDown();
2005	>	}};
2006	>	final ThreadPoolExecutor p =
2007	>	new ThreadPoolExecutor(1, 30,
2008	>	60, SECONDS,
2009	>	new ArrayBlockingQueue(30));
2010	>	try (PoolCleaner cleaner = cleaner(p)) {
2011	>	for (int i = 0; i < nTasks; ++i) {
2012	>	for (;;) {
2013	>	try {
2014	>	p.execute(recycledTask);
2015	>	break;
2016	>	}
2017	>	catch (RejectedExecutionException ignore) {}
2018	>	}
2019	>	}
2020	>	// enough time to run all tasks
2021	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2022	>	}
2023	>	}
2024	>
2025	>	/**
2026	>	* get(cancelled task) throws CancellationException
2027	>	*/
2028	>	public void testGet_cancelled() throws Exception {
2029	>	final CountDownLatch done = new CountDownLatch(1);
2030	>	final ExecutorService e =
2031	>	new ThreadPoolExecutor(1, 1,
2032	>	LONG_DELAY_MS, MILLISECONDS,
2033	>	new LinkedBlockingQueue<Runnable>());
2034	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2035	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2036	>	final List<Future<?>> futures = new ArrayList<>();
2037	>	for (int i = 0; i < 2; i++) {
2038	>	Runnable r = new CheckedRunnable() { public void realRun()
2039	>	throws Throwable {
2040	>	blockerStarted.countDown();
2041	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2042	>	}};
2043	>	futures.add(e.submit(r));
2044	>	}
2045	>	await(blockerStarted);
2046	>	for (Future<?> future : futures) future.cancel(false);
2047	>	for (Future<?> future : futures) {
2048	>	try {
2049	>	future.get();
2050	>	shouldThrow();
2051	>	} catch (CancellationException success) {}
2052	>	try {
2053	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2054	>	shouldThrow();
2055	>	} catch (CancellationException success) {}
2056	>	assertTrue(future.isCancelled());
2057	>	assertTrue(future.isDone());
2058	>	}
2059	>	}
2060	>	}
2061	>
2062		}

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