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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 1.115 by jsr166, Mon Mar 20 00:21:54 2017 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.ExecutorService;
22	+	import java.util.concurrent.Future;
23	+	import java.util.concurrent.FutureTask;
24	+	import java.util.concurrent.LinkedBlockingQueue;
25	+	import java.util.concurrent.RejectedExecutionException;
26	+	import java.util.concurrent.RejectedExecutionHandler;
27	+	import java.util.concurrent.SynchronousQueue;
28	+	import java.util.concurrent.ThreadFactory;
29	+	import java.util.concurrent.ThreadPoolExecutor;
30	+	import java.util.concurrent.atomic.AtomicInteger;
31	+
32	+	import junit.framework.Test;
33	+	import junit.framework.TestSuite;
34
35		public class ThreadPoolExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40		return new TestSuite(ThreadPoolExecutorTest.class);
41		}
42	<
42	>
43	>	static class ExtendedTPE extends ThreadPoolExecutor {
44	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
45	>	final CountDownLatch afterCalled = new CountDownLatch(1);
46	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
47	>
48	>	public ExtendedTPE() {
49	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
50	>	}
51	>	protected void beforeExecute(Thread t, Runnable r) {
52	>	beforeCalled.countDown();
53	>	}
54	>	protected void afterExecute(Runnable r, Throwable t) {
55	>	afterCalled.countDown();
56	>	}
57	>	protected void terminated() {
58	>	terminatedCalled.countDown();
59	>	}
60	>
61	>	public boolean beforeCalled() {
62	>	return beforeCalled.getCount() == 0;
63	>	}
64	>	public boolean afterCalled() {
65	>	return afterCalled.getCount() == 0;
66	>	}
67	>	public boolean terminatedCalled() {
68	>	return terminatedCalled.getCount() == 0;
69	>	}
70	>	}
71	>
72	>	static class FailingThreadFactory implements ThreadFactory {
73	>	int calls = 0;
74	>	public Thread newThread(Runnable r) {
75	>	if (++calls > 1) return null;
76	>	return new Thread(r);
77	>	}
78	>	}
79	>
80		/**
81	<	* For use as ThreadFactory in constructors
81	>	* execute successfully executes a runnable
82		*/
83	<	static class MyThreadFactory implements ThreadFactory{
84	<	public Thread newThread(Runnable r){
85	<	return new Thread(r);
86	<	}
83	>	public void testExecute() throws InterruptedException {
84	>	final ThreadPoolExecutor p =
85	>	new ThreadPoolExecutor(1, 1,
86	>	LONG_DELAY_MS, MILLISECONDS,
87	>	new ArrayBlockingQueue<Runnable>(10));
88	>	try (PoolCleaner cleaner = cleaner(p)) {
89	>	final CountDownLatch done = new CountDownLatch(1);
90	>	final Runnable task = new CheckedRunnable() {
91	>	public void realRun() { done.countDown(); }};
92	>	p.execute(task);
93	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
94	>	}
95	>	}
96	>
97	>	/**
98	>	* getActiveCount increases but doesn't overestimate, when a
99	>	* thread becomes active
100	>	*/
101	>	public void testGetActiveCount() throws InterruptedException {
102	>	final CountDownLatch done = new CountDownLatch(1);
103	>	final ThreadPoolExecutor p =
104	>	new ThreadPoolExecutor(2, 2,
105	>	LONG_DELAY_MS, MILLISECONDS,
106	>	new ArrayBlockingQueue<Runnable>(10));
107	>	try (PoolCleaner cleaner = cleaner(p, done)) {
108	>	final CountDownLatch threadStarted = new CountDownLatch(1);
109	>	assertEquals(0, p.getActiveCount());
110	>	p.execute(new CheckedRunnable() {
111	>	public void realRun() throws InterruptedException {
112	>	threadStarted.countDown();
113	>	assertEquals(1, p.getActiveCount());
114	>	await(done);
115	>	}});
116	>	await(threadStarted);
117	>	assertEquals(1, p.getActiveCount());
118	>	}
119		}
120
121		/**
122	<	* For use as RejectedExecutionHandler in constructors
122	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
123		*/
124	<	static class MyREHandler implements RejectedExecutionHandler{
125	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
124	>	public void testPrestartCoreThread() {
125	>	final ThreadPoolExecutor p =
126	>	new ThreadPoolExecutor(2, 6,
127	>	LONG_DELAY_MS, MILLISECONDS,
128	>	new ArrayBlockingQueue<Runnable>(10));
129	>	try (PoolCleaner cleaner = cleaner(p)) {
130	>	assertEquals(0, p.getPoolSize());
131	>	assertTrue(p.prestartCoreThread());
132	>	assertEquals(1, p.getPoolSize());
133	>	assertTrue(p.prestartCoreThread());
134	>	assertEquals(2, p.getPoolSize());
135	>	assertFalse(p.prestartCoreThread());
136	>	assertEquals(2, p.getPoolSize());
137	>	p.setCorePoolSize(4);
138	>	assertTrue(p.prestartCoreThread());
139	>	assertEquals(3, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(4, p.getPoolSize());
142	>	assertFalse(p.prestartCoreThread());
143	>	assertEquals(4, p.getPoolSize());
144	>	}
145		}
146	<
146	>
147		/**
148	<	*   execute successfully executes a runnable
148	>	* prestartAllCoreThreads starts all corePoolSize threads
149		*/
150	<	public void testExecute(){
151	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152	<	try {
153	<	one.execute(new Runnable(){
154	<	public void run(){
155	<	try{
156	<	Thread.sleep(SHORT_DELAY_MS);
157	<	} catch(InterruptedException e){
158	<	fail("unexpected exception");
159	<	}
160	<	}
161	<	});
162	<	Thread.sleep(SMALL_DELAY_MS);
163	<	} catch(InterruptedException e){
164	<	fail("unexpected exception");
165	<	}
166	<	joinPool(one);
150	>	public void testPrestartAllCoreThreads() {
151	>	final ThreadPoolExecutor p =
152	>	new ThreadPoolExecutor(2, 6,
153	>	LONG_DELAY_MS, MILLISECONDS,
154	>	new ArrayBlockingQueue<Runnable>(10));
155	>	try (PoolCleaner cleaner = cleaner(p)) {
156	>	assertEquals(0, p.getPoolSize());
157	>	p.prestartAllCoreThreads();
158	>	assertEquals(2, p.getPoolSize());
159	>	p.prestartAllCoreThreads();
160	>	assertEquals(2, p.getPoolSize());
161	>	p.setCorePoolSize(4);
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(4, p.getPoolSize());
164	>	p.prestartAllCoreThreads();
165	>	assertEquals(4, p.getPoolSize());
166	>	}
167	>	}
168	>
169	>	/**
170	>	* getCompletedTaskCount increases, but doesn't overestimate,
171	>	* when tasks complete
172	>	*/
173	>	public void testGetCompletedTaskCount() throws InterruptedException {
174	>	final ThreadPoolExecutor p =
175	>	new ThreadPoolExecutor(2, 2,
176	>	LONG_DELAY_MS, MILLISECONDS,
177	>	new ArrayBlockingQueue<Runnable>(10));
178	>	try (PoolCleaner cleaner = cleaner(p)) {
179	>	final CountDownLatch threadStarted = new CountDownLatch(1);
180	>	final CountDownLatch threadProceed = new CountDownLatch(1);
181	>	final CountDownLatch threadDone = new CountDownLatch(1);
182	>	assertEquals(0, p.getCompletedTaskCount());
183	>	p.execute(new CheckedRunnable() {
184	>	public void realRun() throws InterruptedException {
185	>	threadStarted.countDown();
186	>	assertEquals(0, p.getCompletedTaskCount());
187	>	threadProceed.await();
188	>	threadDone.countDown();
189	>	}});
190	>	await(threadStarted);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	threadProceed.countDown();
193	>	threadDone.await();
194	>	long startTime = System.nanoTime();
195	>	while (p.getCompletedTaskCount() != 1) {
196	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
197	>	fail("timed out");
198	>	Thread.yield();
199	>	}
200	>	}
201	>	}
202	>
203	>	/**
204	>	* getCorePoolSize returns size given in constructor if not otherwise set
205	>	*/
206	>	public void testGetCorePoolSize() {
207	>	final ThreadPoolExecutor p =
208	>	new ThreadPoolExecutor(1, 1,
209	>	LONG_DELAY_MS, MILLISECONDS,
210	>	new ArrayBlockingQueue<Runnable>(10));
211	>	try (PoolCleaner cleaner = cleaner(p)) {
212	>	assertEquals(1, p.getCorePoolSize());
213	>	}
214	>	}
215	>
216	>	/**
217	>	* getKeepAliveTime returns value given in constructor if not otherwise set
218	>	*/
219	>	public void testGetKeepAliveTime() {
220	>	final ThreadPoolExecutor p =
221	>	new ThreadPoolExecutor(2, 2,
222	>	1000, MILLISECONDS,
223	>	new ArrayBlockingQueue<Runnable>(10));
224	>	try (PoolCleaner cleaner = cleaner(p)) {
225	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
226	>	}
227	>	}
228	>
229	>	/**
230	>	* getThreadFactory returns factory in constructor if not set
231	>	*/
232	>	public void testGetThreadFactory() {
233	>	ThreadFactory threadFactory = new SimpleThreadFactory();
234	>	final ThreadPoolExecutor p =
235	>	new ThreadPoolExecutor(1, 2,
236	>	LONG_DELAY_MS, MILLISECONDS,
237	>	new ArrayBlockingQueue<Runnable>(10),
238	>	threadFactory,
239	>	new NoOpREHandler());
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	assertSame(threadFactory, p.getThreadFactory());
242	>	}
243	>	}
244	>
245	>	/**
246	>	* setThreadFactory sets the thread factory returned by getThreadFactory
247	>	*/
248	>	public void testSetThreadFactory() {
249	>	final ThreadPoolExecutor p =
250	>	new ThreadPoolExecutor(1, 2,
251	>	LONG_DELAY_MS, MILLISECONDS,
252	>	new ArrayBlockingQueue<Runnable>(10));
253	>	try (PoolCleaner cleaner = cleaner(p)) {
254	>	ThreadFactory threadFactory = new SimpleThreadFactory();
255	>	p.setThreadFactory(threadFactory);
256	>	assertSame(threadFactory, p.getThreadFactory());
257	>	}
258	>	}
259	>
260	>	/**
261	>	* setThreadFactory(null) throws NPE
262	>	*/
263	>	public void testSetThreadFactoryNull() {
264	>	final ThreadPoolExecutor p =
265	>	new ThreadPoolExecutor(1, 2,
266	>	LONG_DELAY_MS, MILLISECONDS,
267	>	new ArrayBlockingQueue<Runnable>(10));
268	>	try (PoolCleaner cleaner = cleaner(p)) {
269	>	try {
270	>	p.setThreadFactory(null);
271	>	shouldThrow();
272	>	} catch (NullPointerException success) {}
273	>	}
274	>	}
275	>
276	>	/**
277	>	* getRejectedExecutionHandler returns handler in constructor if not set
278	>	*/
279	>	public void testGetRejectedExecutionHandler() {
280	>	final RejectedExecutionHandler handler = new NoOpREHandler();
281	>	final ThreadPoolExecutor p =
282	>	new ThreadPoolExecutor(1, 2,
283	>	LONG_DELAY_MS, MILLISECONDS,
284	>	new ArrayBlockingQueue<Runnable>(10),
285	>	handler);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	assertSame(handler, p.getRejectedExecutionHandler());
288	>	}
289	>	}
290	>
291	>	/**
292	>	* setRejectedExecutionHandler sets the handler returned by
293	>	* getRejectedExecutionHandler
294	>	*/
295	>	public void testSetRejectedExecutionHandler() {
296	>	final ThreadPoolExecutor p =
297	>	new ThreadPoolExecutor(1, 2,
298	>	LONG_DELAY_MS, MILLISECONDS,
299	>	new ArrayBlockingQueue<Runnable>(10));
300	>	try (PoolCleaner cleaner = cleaner(p)) {
301	>	RejectedExecutionHandler handler = new NoOpREHandler();
302	>	p.setRejectedExecutionHandler(handler);
303	>	assertSame(handler, p.getRejectedExecutionHandler());
304	>	}
305	>	}
306	>
307	>	/**
308	>	* setRejectedExecutionHandler(null) throws NPE
309	>	*/
310	>	public void testSetRejectedExecutionHandlerNull() {
311	>	final ThreadPoolExecutor p =
312	>	new ThreadPoolExecutor(1, 2,
313	>	LONG_DELAY_MS, MILLISECONDS,
314	>	new ArrayBlockingQueue<Runnable>(10));
315	>	try (PoolCleaner cleaner = cleaner(p)) {
316	>	try {
317	>	p.setRejectedExecutionHandler(null);
318	>	shouldThrow();
319	>	} catch (NullPointerException success) {}
320	>	}
321	>	}
322	>
323	>	/**
324	>	* getLargestPoolSize increases, but doesn't overestimate, when
325	>	* multiple threads active
326	>	*/
327	>	public void testGetLargestPoolSize() throws InterruptedException {
328	>	final int THREADS = 3;
329	>	final CountDownLatch done = new CountDownLatch(1);
330	>	final ThreadPoolExecutor p =
331	>	new ThreadPoolExecutor(THREADS, THREADS,
332	>	LONG_DELAY_MS, MILLISECONDS,
333	>	new ArrayBlockingQueue<Runnable>(10));
334	>	try (PoolCleaner cleaner = cleaner(p, done)) {
335	>	assertEquals(0, p.getLargestPoolSize());
336	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
337	>	for (int i = 0; i < THREADS; i++)
338	>	p.execute(new CheckedRunnable() {
339	>	public void realRun() throws InterruptedException {
340	>	threadsStarted.countDown();
341	>	await(done);
342	>	assertEquals(THREADS, p.getLargestPoolSize());
343	>	}});
344	>	await(threadsStarted);
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}
347	>	assertEquals(THREADS, p.getLargestPoolSize());
348	>	}
349	>
350	>	/**
351	>	* getMaximumPoolSize returns value given in constructor if not
352	>	* otherwise set
353	>	*/
354	>	public void testGetMaximumPoolSize() {
355	>	final ThreadPoolExecutor p =
356	>	new ThreadPoolExecutor(2, 3,
357	>	LONG_DELAY_MS, MILLISECONDS,
358	>	new ArrayBlockingQueue<Runnable>(10));
359	>	try (PoolCleaner cleaner = cleaner(p)) {
360	>	assertEquals(3, p.getMaximumPoolSize());
361	>	p.setMaximumPoolSize(5);
362	>	assertEquals(5, p.getMaximumPoolSize());
363	>	p.setMaximumPoolSize(4);
364	>	assertEquals(4, p.getMaximumPoolSize());
365	>	}
366	>	}
367	>
368	>	/**
369	>	* getPoolSize increases, but doesn't overestimate, when threads
370	>	* become active
371	>	*/
372	>	public void testGetPoolSize() throws InterruptedException {
373	>	final CountDownLatch done = new CountDownLatch(1);
374	>	final ThreadPoolExecutor p =
375	>	new ThreadPoolExecutor(1, 1,
376	>	LONG_DELAY_MS, MILLISECONDS,
377	>	new ArrayBlockingQueue<Runnable>(10));
378	>	try (PoolCleaner cleaner = cleaner(p, done)) {
379	>	assertEquals(0, p.getPoolSize());
380	>	final CountDownLatch threadStarted = new CountDownLatch(1);
381	>	p.execute(new CheckedRunnable() {
382	>	public void realRun() throws InterruptedException {
383	>	threadStarted.countDown();
384	>	assertEquals(1, p.getPoolSize());
385	>	await(done);
386	>	}});
387	>	await(threadStarted);
388	>	assertEquals(1, p.getPoolSize());
389	>	}
390	>	}
391	>
392	>	/**
393	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
394	>	*/
395	>	public void testGetTaskCount() throws InterruptedException {
396	>	final int TASKS = 3;
397	>	final CountDownLatch done = new CountDownLatch(1);
398	>	final ThreadPoolExecutor p =
399	>	new ThreadPoolExecutor(1, 1,
400	>	LONG_DELAY_MS, MILLISECONDS,
401	>	new ArrayBlockingQueue<Runnable>(10));
402	>	try (PoolCleaner cleaner = cleaner(p, done)) {
403	>	final CountDownLatch threadStarted = new CountDownLatch(1);
404	>	assertEquals(0, p.getTaskCount());
405	>	assertEquals(0, p.getCompletedTaskCount());
406	>	p.execute(new CheckedRunnable() {
407	>	public void realRun() throws InterruptedException {
408	>	threadStarted.countDown();
409	>	await(done);
410	>	}});
411	>	await(threadStarted);
412	>	assertEquals(1, p.getTaskCount());
413	>	assertEquals(0, p.getCompletedTaskCount());
414	>	for (int i = 0; i < TASKS; i++) {
415	>	assertEquals(1 + i, p.getTaskCount());
416	>	p.execute(new CheckedRunnable() {
417	>	public void realRun() throws InterruptedException {
418	>	threadStarted.countDown();
419	>	assertEquals(1 + TASKS, p.getTaskCount());
420	>	await(done);
421	>	}});
422	>	}
423	>	assertEquals(1 + TASKS, p.getTaskCount());
424	>	assertEquals(0, p.getCompletedTaskCount());
425	>	}
426	>	assertEquals(1 + TASKS, p.getTaskCount());
427	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
428	>	}
429	>
430	>	/**
431	>	* isShutdown is false before shutdown, true after
432	>	*/
433	>	public void testIsShutdown() {
434	>	final ThreadPoolExecutor p =
435	>	new ThreadPoolExecutor(1, 1,
436	>	LONG_DELAY_MS, MILLISECONDS,
437	>	new ArrayBlockingQueue<Runnable>(10));
438	>	try (PoolCleaner cleaner = cleaner(p)) {
439	>	assertFalse(p.isShutdown());
440	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
441	>	assertTrue(p.isShutdown());
442	>	}
443	>	}
444	>
445	>	/**
446	>	* awaitTermination on a non-shutdown pool times out
447	>	*/
448	>	public void testAwaitTermination_timesOut() throws InterruptedException {
449	>	final ThreadPoolExecutor p =
450	>	new ThreadPoolExecutor(1, 1,
451	>	LONG_DELAY_MS, MILLISECONDS,
452	>	new ArrayBlockingQueue<Runnable>(10));
453	>	try (PoolCleaner cleaner = cleaner(p)) {
454	>	assertFalse(p.isTerminated());
455	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
456	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
457	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
458	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
459	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
460	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
461	>	long timeoutNanos = 999999L;
462	>	long startTime = System.nanoTime();
463	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
464	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
465	>	assertFalse(p.isTerminated());
466	>	startTime = System.nanoTime();
467	>	long timeoutMillis = timeoutMillis();
468	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
469	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
470	>	assertFalse(p.isTerminated());
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
473	>	assertTrue(p.isTerminated());
474	>	}
475	>	}
476	>
477	>	/**
478	>	* isTerminated is false before termination, true after
479	>	*/
480	>	public void testIsTerminated() throws InterruptedException {
481	>	final ThreadPoolExecutor p =
482	>	new ThreadPoolExecutor(1, 1,
483	>	LONG_DELAY_MS, MILLISECONDS,
484	>	new ArrayBlockingQueue<Runnable>(10));
485	>	try (PoolCleaner cleaner = cleaner(p)) {
486	>	final CountDownLatch threadStarted = new CountDownLatch(1);
487	>	final CountDownLatch done = new CountDownLatch(1);
488	>	assertFalse(p.isTerminating());
489	>	p.execute(new CheckedRunnable() {
490	>	public void realRun() throws InterruptedException {
491	>	assertFalse(p.isTerminating());
492	>	threadStarted.countDown();
493	>	await(done);
494	>	}});
495	>	await(threadStarted);
496	>	assertFalse(p.isTerminating());
497	>	done.countDown();
498	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
499	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
500	>	assertTrue(p.isTerminated());
501	>	assertFalse(p.isTerminating());
502	>	}
503	>	}
504	>
505	>	/**
506	>	* isTerminating is not true when running or when terminated
507	>	*/
508	>	public void testIsTerminating() throws InterruptedException {
509	>	final ThreadPoolExecutor p =
510	>	new ThreadPoolExecutor(1, 1,
511	>	LONG_DELAY_MS, MILLISECONDS,
512	>	new ArrayBlockingQueue<Runnable>(10));
513	>	try (PoolCleaner cleaner = cleaner(p)) {
514	>	final CountDownLatch threadStarted = new CountDownLatch(1);
515	>	final CountDownLatch done = new CountDownLatch(1);
516	>	assertFalse(p.isTerminating());
517	>	p.execute(new CheckedRunnable() {
518	>	public void realRun() throws InterruptedException {
519	>	assertFalse(p.isTerminating());
520	>	threadStarted.countDown();
521	>	await(done);
522	>	}});
523	>	await(threadStarted);
524	>	assertFalse(p.isTerminating());
525	>	done.countDown();
526	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
527	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
528	>	assertTrue(p.isTerminated());
529	>	assertFalse(p.isTerminating());
530	>	}
531	>	}
532	>
533	>	/**
534	>	* getQueue returns the work queue, which contains queued tasks
535	>	*/
536	>	public void testGetQueue() throws InterruptedException {
537	>	final CountDownLatch done = new CountDownLatch(1);
538	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
539	>	final ThreadPoolExecutor p =
540	>	new ThreadPoolExecutor(1, 1,
541	>	LONG_DELAY_MS, MILLISECONDS,
542	>	q);
543	>	try (PoolCleaner cleaner = cleaner(p, done)) {
544	>	final CountDownLatch threadStarted = new CountDownLatch(1);
545	>	FutureTask[] tasks = new FutureTask[5];
546	>	for (int i = 0; i < tasks.length; i++) {
547	>	Callable task = new CheckedCallable<Boolean>() {
548	>	public Boolean realCall() throws InterruptedException {
549	>	threadStarted.countDown();
550	>	assertSame(q, p.getQueue());
551	>	await(done);
552	>	return Boolean.TRUE;
553	>	}};
554	>	tasks[i] = new FutureTask(task);
555	>	p.execute(tasks[i]);
556	>	}
557	>	await(threadStarted);
558	>	assertSame(q, p.getQueue());
559	>	assertFalse(q.contains(tasks[0]));
560	>	assertTrue(q.contains(tasks[tasks.length - 1]));
561	>	assertEquals(tasks.length - 1, q.size());
562	>	}
563		}
564
565		/**
566	<	*   getActiveCount gives correct values
566	>	* remove(task) removes queued task, and fails to remove active task
567		*/
568	<	public void testGetActiveCount(){
569	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
570	<	assertEquals(0, two.getActiveCount());
571	<	two.execute(new MediumRunnable());
572	<	try{
573	<	Thread.sleep(SHORT_DELAY_MS);
574	<	} catch(Exception e){
575	<	fail("unexpected exception");
568	>	public void testRemove() throws InterruptedException {
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
571	>	final ThreadPoolExecutor p =
572	>	new ThreadPoolExecutor(1, 1,
573	>	LONG_DELAY_MS, MILLISECONDS,
574	>	q);
575	>	try (PoolCleaner cleaner = cleaner(p, done)) {
576	>	Runnable[] tasks = new Runnable[6];
577	>	final CountDownLatch threadStarted = new CountDownLatch(1);
578	>	for (int i = 0; i < tasks.length; i++) {
579	>	tasks[i] = new CheckedRunnable() {
580	>	public void realRun() throws InterruptedException {
581	>	threadStarted.countDown();
582	>	await(done);
583	>	}};
584	>	p.execute(tasks[i]);
585	>	}
586	>	await(threadStarted);
587	>	assertFalse(p.remove(tasks[0]));
588	>	assertTrue(q.contains(tasks[4]));
589	>	assertTrue(q.contains(tasks[3]));
590	>	assertTrue(p.remove(tasks[4]));
591	>	assertFalse(p.remove(tasks[4]));
592	>	assertFalse(q.contains(tasks[4]));
593	>	assertTrue(q.contains(tasks[3]));
594	>	assertTrue(p.remove(tasks[3]));
595	>	assertFalse(q.contains(tasks[3]));
596		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
597		}
598	<
598	>
599		/**
600	<	*   getCompleteTaskCount gives correct values
600	>	* purge removes cancelled tasks from the queue
601		*/
602	<	public void testGetCompletedTaskCount(){
603	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
604	<	assertEquals(0, two.getCompletedTaskCount());
605	<	two.execute(new ShortRunnable());
606	<	try{
607	<	Thread.sleep(MEDIUM_DELAY_MS);
608	<	} catch(Exception e){
609	<	fail("unexpected exception");
602	>	public void testPurge() throws InterruptedException {
603	>	final CountDownLatch threadStarted = new CountDownLatch(1);
604	>	final CountDownLatch done = new CountDownLatch(1);
605	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
606	>	final ThreadPoolExecutor p =
607	>	new ThreadPoolExecutor(1, 1,
608	>	LONG_DELAY_MS, MILLISECONDS,
609	>	q);
610	>	try (PoolCleaner cleaner = cleaner(p, done)) {
611	>	FutureTask[] tasks = new FutureTask[5];
612	>	for (int i = 0; i < tasks.length; i++) {
613	>	Callable task = new CheckedCallable<Boolean>() {
614	>	public Boolean realCall() throws InterruptedException {
615	>	threadStarted.countDown();
616	>	await(done);
617	>	return Boolean.TRUE;
618	>	}};
619	>	tasks[i] = new FutureTask(task);
620	>	p.execute(tasks[i]);
621	>	}
622	>	await(threadStarted);
623	>	assertEquals(tasks.length, p.getTaskCount());
624	>	assertEquals(tasks.length - 1, q.size());
625	>	assertEquals(1L, p.getActiveCount());
626	>	assertEquals(0L, p.getCompletedTaskCount());
627	>	tasks[4].cancel(true);
628	>	tasks[3].cancel(false);
629	>	p.purge();
630	>	assertEquals(tasks.length - 3, q.size());
631	>	assertEquals(tasks.length - 2, p.getTaskCount());
632	>	p.purge();         // Nothing to do
633	>	assertEquals(tasks.length - 3, q.size());
634	>	assertEquals(tasks.length - 2, p.getTaskCount());
635		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
636		}
637	<
637	>
638	>	/**
639	>	* shutdownNow returns a list containing tasks that were not run,
640	>	* and those tasks are drained from the queue
641	>	*/
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	>	final 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	>	await(threadsStarted);
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	>
678	>	// Exception Tests
679	>
680	>	/**
681	>	* Constructor throws if corePoolSize argument is less than zero
682	>	*/
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	<	*   getCorePoolSize gives correct values
771	>	* Constructor throws if maximumPoolSize is equal to zero
772		*/
773	<	public void testGetCorePoolSize(){
774	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
775	<	assertEquals(1, one.getCorePoolSize());
776	<	joinPool(one);
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	<
781	>
782		/**
783	<	*   getKeepAliveTime gives correct values
783	>	* Constructor throws if keepAliveTime is less than zero
784		*/
785	<	public void testGetKeepAliveTime(){
786	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
787	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
788	<	joinPool(two);
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	<
793	>
794		/**
795	<	*   getLargestPoolSize gives correct values
795	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
796		*/
797	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
797	>	public void testConstructor10() {
798		try {
799	<	assertEquals(0, two.getLargestPoolSize());
800	<	two.execute(new MediumRunnable());
801	<	two.execute(new MediumRunnable());
802	<	Thread.sleep(SHORT_DELAY_MS);
803	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
799	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
800	>	new ArrayBlockingQueue<Runnable>(10),
801	>	new SimpleThreadFactory());
802	>	shouldThrow();
803	>	} catch (IllegalArgumentException success) {}
804		}
805	<
805	>
806		/**
807	<	*   getMaximumPoolSize gives correct values
807	>	* Constructor throws if workQueue is set to null
808		*/
809	<	public void testGetMaximumPoolSize(){
810	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
811	<	assertEquals(2, two.getMaximumPoolSize());
812	<	joinPool(two);
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	<	*   getPoolSize gives correct values
819	>	* Constructor throws if threadFactory is set to null
820		*/
821	<	public void testGetPoolSize(){
822	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
823	<	assertEquals(0, one.getPoolSize());
824	<	one.execute(new MediumRunnable());
825	<	assertEquals(1, one.getPoolSize());
826	<	joinPool(one);
821	>	public void testConstructorNullPointerException3() {
822	>	try {
823	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
824	>	new ArrayBlockingQueue<Runnable>(10),
825	>	(ThreadFactory) null);
826	>	shouldThrow();
827	>	} catch (NullPointerException success) {}
828	>	}
829	>
830	>	/**
831	>	* Constructor throws if corePoolSize argument is less than zero
832	>	*/
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	<	*   getTaskCount gives correct values
843	>	* Constructor throws if maximumPoolSize is less than zero
844		*/
845	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
845	>	public void testConstructor12() {
846		try {
847	<	assertEquals(0, one.getTaskCount());
848	<	for(int i = 0; i < 5; i++)
849	<	one.execute(new MediumRunnable());
850	<	Thread.sleep(SHORT_DELAY_MS);
851	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
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	<	*   isShutDown gives correct values
855	>	* Constructor throws if maximumPoolSize is equal to zero
856		*/
857	<	public void testIsShutdown(){
858	<
859	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
860	<	assertFalse(one.isShutdown());
861	<	one.shutdown();
862	<	assertTrue(one.isShutdown());
863	<	joinPool(one);
857	>	public void testConstructor13() {
858	>	try {
859	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
860	>	new ArrayBlockingQueue<Runnable>(10),
861	>	new NoOpREHandler());
862	>	shouldThrow();
863	>	} catch (IllegalArgumentException success) {}
864		}
865
175	–
866		/**
867	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
867	>	* Constructor throws if keepAliveTime is less than zero
868		*/
869	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
869	>	public void testConstructor14() {
870		try {
871	<	one.execute(new MediumRunnable());
872	<	} finally {
873	<	one.shutdown();
871	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
872	>	new ArrayBlockingQueue<Runnable>(10),
873	>	new NoOpREHandler());
874	>	shouldThrow();
875	>	} catch (IllegalArgumentException success) {}
876	>	}
877	>
878	>	/**
879	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
880	>	*/
881	>	public void testConstructor15() {
882	>	try {
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 CountDownLatch done = new CountDownLatch(1);
1023	>	final ThreadPoolExecutor p =
1024	>	new ThreadPoolExecutor(1, 1,
1025	>	60, SECONDS,
1026	>	new ArrayBlockingQueue<Runnable>(10));
1027	>
1028	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1029	>	final CountDownLatch threadStarted = new CountDownLatch(1);
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	>	await(done);
1036	>	return Boolean.TRUE;
1037	>	}};
1038	>	p.submit(task).get();
1039	>	}});
1040	>
1041	>	await(threadStarted);
1042	>	t.interrupt();
1043	>	awaitTermination(t);
1044		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1045		}
1046
1047		/**
1048	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1048	>	* execute throws RejectedExecutionException if saturated.
1049		*/
1050	<	public void testPurge(){
1051	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1052	<	CancellableTask[] tasks = new CancellableTask[5];
1053	<	for(int i = 0; i < 5; i++){
1054	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1055	<	one.execute(tasks[i]);
1050	>	public void testSaturatedExecute() {
1051	>	final CountDownLatch done = new CountDownLatch(1);
1052	>	final ThreadPoolExecutor p =
1053	>	new ThreadPoolExecutor(1, 1,
1054	>	LONG_DELAY_MS, MILLISECONDS,
1055	>	new ArrayBlockingQueue<Runnable>(1));
1056	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1057	>	Runnable task = new CheckedRunnable() {
1058	>	public void realRun() throws InterruptedException {
1059	>	await(done);
1060	>	}};
1061	>	for (int i = 0; i < 2; ++i)
1062	>	p.execute(task);
1063	>	for (int i = 0; i < 2; ++i) {
1064	>	try {
1065	>	p.execute(task);
1066	>	shouldThrow();
1067	>	} catch (RejectedExecutionException success) {}
1068	>	assertTrue(p.getTaskCount() <= 2);
1069	>	}
1070		}
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);
1071		}
1072
1073		/**
1074	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1074	>	* submit(runnable) throws RejectedExecutionException if saturated.
1075		*/
1076	<	public void testShutDownNow(){
1077	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1078	<	List l;
1079	<	try {
1080	<	for(int i = 0; i < 5; i++)
1081	<	one.execute(new MediumPossiblyInterruptedRunnable());
1076	>	public void testSaturatedSubmitRunnable() {
1077	>	final CountDownLatch done = new CountDownLatch(1);
1078	>	final ThreadPoolExecutor p =
1079	>	new ThreadPoolExecutor(1, 1,
1080	>	LONG_DELAY_MS, MILLISECONDS,
1081	>	new ArrayBlockingQueue<Runnable>(1));
1082	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1083	>	Runnable task = new CheckedRunnable() {
1084	>	public void realRun() throws InterruptedException {
1085	>	await(done);
1086	>	}};
1087	>	for (int i = 0; i < 2; ++i)
1088	>	p.submit(task);
1089	>	for (int i = 0; i < 2; ++i) {
1090	>	try {
1091	>	p.execute(task);
1092	>	shouldThrow();
1093	>	} catch (RejectedExecutionException success) {}
1094	>	assertTrue(p.getTaskCount() <= 2);
1095	>	}
1096		}
1097	<	finally {
1098	<	l = one.shutdownNow();
1097	>	}
1098	>
1099	>	/**
1100	>	* submit(callable) throws RejectedExecutionException if saturated.
1101	>	*/
1102	>	public void testSaturatedSubmitCallable() {
1103	>	final CountDownLatch done = new CountDownLatch(1);
1104	>	final ThreadPoolExecutor p =
1105	>	new ThreadPoolExecutor(1, 1,
1106	>	LONG_DELAY_MS, MILLISECONDS,
1107	>	new ArrayBlockingQueue<Runnable>(1));
1108	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1109	>	Runnable task = new CheckedRunnable() {
1110	>	public void realRun() throws InterruptedException {
1111	>	await(done);
1112	>	}};
1113	>	for (int i = 0; i < 2; ++i)
1114	>	p.execute(task);
1115	>	for (int i = 0; i < 2; ++i) {
1116	>	try {
1117	>	p.execute(task);
1118	>	shouldThrow();
1119	>	} catch (RejectedExecutionException success) {}
1120	>	assertTrue(p.getTaskCount() <= 2);
1121	>	}
1122		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1123		}
1124
1125	<	// Exception Tests
1126	<
1125	>	/**
1126	>	* executor using CallerRunsPolicy runs task if saturated.
1127	>	*/
1128	>	public void testSaturatedExecute2() {
1129	>	final ThreadPoolExecutor p =
1130	>	new ThreadPoolExecutor(1, 1,
1131	>	LONG_DELAY_MS,
1132	>	MILLISECONDS,
1133	>	new ArrayBlockingQueue<Runnable>(1),
1134	>	new ThreadPoolExecutor.CallerRunsPolicy());
1135	>	try (PoolCleaner cleaner = cleaner(p)) {
1136	>	final CountDownLatch done = new CountDownLatch(1);
1137	>	Runnable blocker = new CheckedRunnable() {
1138	>	public void realRun() throws InterruptedException {
1139	>	await(done);
1140	>	}};
1141	>	p.execute(blocker);
1142	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1143	>	for (int i = 0; i < tasks.length; i++)
1144	>	tasks[i] = new TrackedNoOpRunnable();
1145	>	for (int i = 0; i < tasks.length; i++)
1146	>	p.execute(tasks[i]);
1147	>	for (int i = 1; i < tasks.length; i++)
1148	>	assertTrue(tasks[i].done);
1149	>	assertFalse(tasks[0].done); // waiting in queue
1150	>	done.countDown();
1151	>	}
1152	>	}
1153
1154	<	/** Throws if corePoolSize argument is less than zero */
1155	<	public void testConstructor1() {
1156	<	try{
1157	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1158	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1154	>	/**
1155	>	* executor using DiscardPolicy drops task if saturated.
1156	>	*/
1157	>	public void testSaturatedExecute3() {
1158	>	final CountDownLatch done = new CountDownLatch(1);
1159	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1160	>	for (int i = 0; i < tasks.length; ++i)
1161	>	tasks[i] = new TrackedNoOpRunnable();
1162	>	final ThreadPoolExecutor p =
1163	>	new ThreadPoolExecutor(1, 1,
1164	>	LONG_DELAY_MS, MILLISECONDS,
1165	>	new ArrayBlockingQueue<Runnable>(1),
1166	>	new ThreadPoolExecutor.DiscardPolicy());
1167	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1168	>	p.execute(awaiter(done));
1169	>
1170	>	for (TrackedNoOpRunnable task : tasks)
1171	>	p.execute(task);
1172	>	for (int i = 1; i < tasks.length; i++)
1173	>	assertFalse(tasks[i].done);
1174	>	}
1175	>	for (int i = 1; i < tasks.length; i++)
1176	>	assertFalse(tasks[i].done);
1177	>	assertTrue(tasks[0].done); // was waiting in queue
1178	>	}
1179	>
1180	>	/**
1181	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1182	>	*/
1183	>	public void testSaturatedExecute4() {
1184	>	final CountDownLatch done = new CountDownLatch(1);
1185	>	LatchAwaiter r1 = awaiter(done);
1186	>	LatchAwaiter r2 = awaiter(done);
1187	>	LatchAwaiter r3 = awaiter(done);
1188	>	final ThreadPoolExecutor p =
1189	>	new ThreadPoolExecutor(1, 1,
1190	>	LONG_DELAY_MS, MILLISECONDS,
1191	>	new ArrayBlockingQueue<Runnable>(1),
1192	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1193	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1194	>	assertEquals(LatchAwaiter.NEW, r1.state);
1195	>	assertEquals(LatchAwaiter.NEW, r2.state);
1196	>	assertEquals(LatchAwaiter.NEW, r3.state);
1197	>	p.execute(r1);
1198	>	p.execute(r2);
1199	>	assertTrue(p.getQueue().contains(r2));
1200	>	p.execute(r3);
1201	>	assertFalse(p.getQueue().contains(r2));
1202	>	assertTrue(p.getQueue().contains(r3));
1203	>	}
1204	>	assertEquals(LatchAwaiter.DONE, r1.state);
1205	>	assertEquals(LatchAwaiter.NEW, r2.state);
1206	>	assertEquals(LatchAwaiter.DONE, r3.state);
1207	>	}
1208	>
1209	>	/**
1210	>	* execute throws RejectedExecutionException if shutdown
1211	>	*/
1212	>	public void testRejectedExecutionExceptionOnShutdown() {
1213	>	final ThreadPoolExecutor p =
1214	>	new ThreadPoolExecutor(1, 1,
1215	>	LONG_DELAY_MS, MILLISECONDS,
1216	>	new ArrayBlockingQueue<Runnable>(1));
1217	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1218	>	try (PoolCleaner cleaner = cleaner(p)) {
1219	>	try {
1220	>	p.execute(new NoOpRunnable());
1221	>	shouldThrow();
1222	>	} catch (RejectedExecutionException success) {}
1223		}
242	–	catch (IllegalArgumentException success){}
1224		}
1225	<
1226	<	/** Throws if maximumPoolSize is less than zero */
1227	<	public void testConstructor2() {
1228	<	try{
1229	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1230	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1225	>
1226	>	/**
1227	>	* execute using CallerRunsPolicy drops task on shutdown
1228	>	*/
1229	>	public void testCallerRunsOnShutdown() {
1230	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1231	>	final ThreadPoolExecutor p =
1232	>	new ThreadPoolExecutor(1, 1,
1233	>	LONG_DELAY_MS, MILLISECONDS,
1234	>	new ArrayBlockingQueue<Runnable>(1), h);
1235	>
1236	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1237	>	try (PoolCleaner cleaner = cleaner(p)) {
1238	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1239	>	p.execute(r);
1240	>	assertFalse(r.done);
1241		}
251	–	catch (IllegalArgumentException success){}
1242		}
1243	<
1244	<	/** Throws if maximumPoolSize is equal to zero */
1245	<	public void testConstructor3() {
1246	<	try{
1247	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1248	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1243	>
1244	>	/**
1245	>	* execute using DiscardPolicy drops task on shutdown
1246	>	*/
1247	>	public void testDiscardOnShutdown() {
1248	>	final ThreadPoolExecutor p =
1249	>	new ThreadPoolExecutor(1, 1,
1250	>	LONG_DELAY_MS, MILLISECONDS,
1251	>	new ArrayBlockingQueue<Runnable>(1),
1252	>	new ThreadPoolExecutor.DiscardPolicy());
1253	>
1254	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1255	>	try (PoolCleaner cleaner = cleaner(p)) {
1256	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1257	>	p.execute(r);
1258	>	assertFalse(r.done);
1259		}
260	–	catch (IllegalArgumentException success){}
1260		}
1261
1262	<	/** Throws if keepAliveTime is less than zero */
1263	<	public void testConstructor4() {
1264	<	try{
1265	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1266	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1262	>	/**
1263	>	* execute using DiscardOldestPolicy drops task on shutdown
1264	>	*/
1265	>	public void testDiscardOldestOnShutdown() {
1266	>	final ThreadPoolExecutor p =
1267	>	new ThreadPoolExecutor(1, 1,
1268	>	LONG_DELAY_MS, MILLISECONDS,
1269	>	new ArrayBlockingQueue<Runnable>(1),
1270	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1271	>
1272	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1273	>	try (PoolCleaner cleaner = cleaner(p)) {
1274	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1275	>	p.execute(r);
1276	>	assertFalse(r.done);
1277		}
269	–	catch (IllegalArgumentException success){}
1278		}
1279
1280	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1281	<	public void testConstructor5() {
1282	<	try{
1283	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1284	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1280	>	/**
1281	>	* execute(null) throws NPE
1282	>	*/
1283	>	public void testExecuteNull() {
1284	>	final ThreadPoolExecutor p =
1285	>	new ThreadPoolExecutor(1, 2,
1286	>	1L, SECONDS,
1287	>	new ArrayBlockingQueue<Runnable>(10));
1288	>	try (PoolCleaner cleaner = cleaner(p)) {
1289	>	try {
1290	>	p.execute(null);
1291	>	shouldThrow();
1292	>	} catch (NullPointerException success) {}
1293		}
278	–	catch (IllegalArgumentException success){}
1294		}
1295	<
1296	<	/** Throws if workQueue is set to null */
1297	<	public void testNullPointerException() {
1298	<	try{
1299	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1300	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1295	>
1296	>	/**
1297	>	* setCorePoolSize of negative value throws IllegalArgumentException
1298	>	*/
1299	>	public void testCorePoolSizeIllegalArgumentException() {
1300	>	final ThreadPoolExecutor p =
1301	>	new ThreadPoolExecutor(1, 2,
1302	>	LONG_DELAY_MS, MILLISECONDS,
1303	>	new ArrayBlockingQueue<Runnable>(10));
1304	>	try (PoolCleaner cleaner = cleaner(p)) {
1305	>	try {
1306	>	p.setCorePoolSize(-1);
1307	>	shouldThrow();
1308	>	} catch (IllegalArgumentException success) {}
1309		}
287	–	catch (NullPointerException success){}
1310		}
289	–
1311
1312	<
1313	<	/** Throws if corePoolSize argument is less than zero */
1314	<	public void testConstructor6() {
1315	<	try{
1316	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1317	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1318	<	} catch (IllegalArgumentException success){}
1312	>	/**
1313	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1314	>	* given a value less the core pool size
1315	>	*/
1316	>	public void testMaximumPoolSizeIllegalArgumentException() {
1317	>	final ThreadPoolExecutor p =
1318	>	new ThreadPoolExecutor(2, 3,
1319	>	LONG_DELAY_MS, MILLISECONDS,
1320	>	new ArrayBlockingQueue<Runnable>(10));
1321	>	try (PoolCleaner cleaner = cleaner(p)) {
1322	>	try {
1323	>	p.setMaximumPoolSize(1);
1324	>	shouldThrow();
1325	>	} catch (IllegalArgumentException success) {}
1326	>	}
1327		}
1328	<
1329	<	/** Throws if maximumPoolSize is less than zero */
1330	<	public void testConstructor7() {
1331	<	try{
1332	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1333	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1328	>
1329	>	/**
1330	>	* setMaximumPoolSize throws IllegalArgumentException
1331	>	* if given a negative value
1332	>	*/
1333	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1334	>	final ThreadPoolExecutor p =
1335	>	new ThreadPoolExecutor(2, 3,
1336	>	LONG_DELAY_MS, MILLISECONDS,
1337	>	new ArrayBlockingQueue<Runnable>(10));
1338	>	try (PoolCleaner cleaner = cleaner(p)) {
1339	>	try {
1340	>	p.setMaximumPoolSize(-1);
1341	>	shouldThrow();
1342	>	} catch (IllegalArgumentException success) {}
1343		}
306	–	catch (IllegalArgumentException success){}
1344		}
1345
1346	<	/** Throws if maximumPoolSize is equal to zero */
1347	<	public void testConstructor8() {
1348	<	try{
1349	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1350	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1346	>	/**
1347	>	* Configuration changes that allow core pool size greater than
1348	>	* max pool size result in IllegalArgumentException.
1349	>	*/
1350	>	public void testPoolSizeInvariants() {
1351	>	final ThreadPoolExecutor p =
1352	>	new ThreadPoolExecutor(1, 1,
1353	>	LONG_DELAY_MS, MILLISECONDS,
1354	>	new ArrayBlockingQueue<Runnable>(10));
1355	>	try (PoolCleaner cleaner = cleaner(p)) {
1356	>	for (int s = 1; s < 5; s++) {
1357	>	p.setMaximumPoolSize(s);
1358	>	p.setCorePoolSize(s);
1359	>	try {
1360	>	p.setMaximumPoolSize(s - 1);
1361	>	shouldThrow();
1362	>	} catch (IllegalArgumentException success) {}
1363	>	assertEquals(s, p.getCorePoolSize());
1364	>	assertEquals(s, p.getMaximumPoolSize());
1365	>	try {
1366	>	p.setCorePoolSize(s + 1);
1367	>	shouldThrow();
1368	>	} catch (IllegalArgumentException success) {}
1369	>	assertEquals(s, p.getCorePoolSize());
1370	>	assertEquals(s, p.getMaximumPoolSize());
1371	>	}
1372		}
315	–	catch (IllegalArgumentException success){}
1373		}
1374
1375	<	/** Throws if keepAliveTime is less than zero */
1376	<	public void testConstructor9() {
1377	<	try{
1378	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1379	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1375	>	/**
1376	>	* setKeepAliveTime throws IllegalArgumentException
1377	>	* when given a negative value
1378	>	*/
1379	>	public void testKeepAliveTimeIllegalArgumentException() {
1380	>	final ThreadPoolExecutor p =
1381	>	new ThreadPoolExecutor(2, 3,
1382	>	LONG_DELAY_MS, MILLISECONDS,
1383	>	new ArrayBlockingQueue<Runnable>(10));
1384	>	try (PoolCleaner cleaner = cleaner(p)) {
1385	>	try {
1386	>	p.setKeepAliveTime(-1, MILLISECONDS);
1387	>	shouldThrow();
1388	>	} catch (IllegalArgumentException success) {}
1389		}
324	–	catch (IllegalArgumentException success){}
1390		}
1391
1392	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1393	<	public void testConstructor10() {
1394	<	try{
1395	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1396	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1392	>	/**
1393	>	* terminated() is called on termination
1394	>	*/
1395	>	public void testTerminated() {
1396	>	ExtendedTPE p = new ExtendedTPE();
1397	>	try (PoolCleaner cleaner = cleaner(p)) {
1398	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1399	>	assertTrue(p.terminatedCalled());
1400	>	assertTrue(p.isShutdown());
1401		}
333	–	catch (IllegalArgumentException success){}
1402		}
1403
1404	<	/** Throws if workQueue is set to null */
1405	<	public void testNullPointerException2() {
1406	<	try{
1407	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1408	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1404	>	/**
1405	>	* beforeExecute and afterExecute are called when executing task
1406	>	*/
1407	>	public void testBeforeAfter() throws InterruptedException {
1408	>	ExtendedTPE p = new ExtendedTPE();
1409	>	try (PoolCleaner cleaner = cleaner(p)) {
1410	>	final CountDownLatch done = new CountDownLatch(1);
1411	>	p.execute(new CheckedRunnable() {
1412	>	public void realRun() {
1413	>	done.countDown();
1414	>	}});
1415	>	await(p.afterCalled);
1416	>	assertEquals(0, done.getCount());
1417	>	assertTrue(p.afterCalled());
1418	>	assertTrue(p.beforeCalled());
1419		}
342	–	catch (NullPointerException success){}
1420		}
1421
1422	<	/** Throws if threadFactory is set to null */
1423	<	public void testNullPointerException3() {
1424	<	try{
1425	<	ThreadFactory f = null;
1426	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1427	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1422	>	/**
1423	>	* completed submit of callable returns result
1424	>	*/
1425	>	public void testSubmitCallable() throws Exception {
1426	>	final ExecutorService e =
1427	>	new ThreadPoolExecutor(2, 2,
1428	>	LONG_DELAY_MS, MILLISECONDS,
1429	>	new ArrayBlockingQueue<Runnable>(10));
1430	>	try (PoolCleaner cleaner = cleaner(e)) {
1431	>	Future<String> future = e.submit(new StringTask());
1432	>	String result = future.get();
1433	>	assertSame(TEST_STRING, result);
1434		}
352	–	catch (NullPointerException success){}
1435		}
1436	<
1437	<
1438	<	/** Throws if corePoolSize argument is less than zero */
1439	<	public void testConstructor11() {
1440	<	try{
1441	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1442	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1436	>
1437	>	/**
1438	>	* completed submit of runnable returns successfully
1439	>	*/
1440	>	public void testSubmitRunnable() throws Exception {
1441	>	final ExecutorService e =
1442	>	new ThreadPoolExecutor(2, 2,
1443	>	LONG_DELAY_MS, MILLISECONDS,
1444	>	new ArrayBlockingQueue<Runnable>(10));
1445	>	try (PoolCleaner cleaner = cleaner(e)) {
1446	>	Future<?> future = e.submit(new NoOpRunnable());
1447	>	future.get();
1448	>	assertTrue(future.isDone());
1449		}
362	–	catch (IllegalArgumentException success){}
1450		}
1451
1452	<	/** Throws if maximumPoolSize is less than zero */
1453	<	public void testConstructor12() {
1454	<	try{
1455	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1456	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1452	>	/**
1453	>	* completed submit of (runnable, result) returns result
1454	>	*/
1455	>	public void testSubmitRunnable2() throws Exception {
1456	>	final ExecutorService e =
1457	>	new ThreadPoolExecutor(2, 2,
1458	>	LONG_DELAY_MS, MILLISECONDS,
1459	>	new ArrayBlockingQueue<Runnable>(10));
1460	>	try (PoolCleaner cleaner = cleaner(e)) {
1461	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1462	>	String result = future.get();
1463	>	assertSame(TEST_STRING, result);
1464		}
371	–	catch (IllegalArgumentException success){}
1465		}
1466
1467	<	/** Throws if maximumPoolSize is equal to zero */
1468	<	public void testConstructor13() {
1469	<	try{
1470	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1471	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1467	>	/**
1468	>	* invokeAny(null) throws NPE
1469	>	*/
1470	>	public void testInvokeAny1() throws Exception {
1471	>	final ExecutorService e =
1472	>	new ThreadPoolExecutor(2, 2,
1473	>	LONG_DELAY_MS, MILLISECONDS,
1474	>	new ArrayBlockingQueue<Runnable>(10));
1475	>	try (PoolCleaner cleaner = cleaner(e)) {
1476	>	try {
1477	>	e.invokeAny(null);
1478	>	shouldThrow();
1479	>	} catch (NullPointerException success) {}
1480		}
380	–	catch (IllegalArgumentException success){}
1481		}
1482
1483	<	/** Throws if keepAliveTime is less than zero */
1484	<	public void testConstructor14() {
1485	<	try{
1486	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1487	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1483	>	/**
1484	>	* invokeAny(empty collection) throws IAE
1485	>	*/
1486	>	public void testInvokeAny2() throws Exception {
1487	>	final ExecutorService e =
1488	>	new ThreadPoolExecutor(2, 2,
1489	>	LONG_DELAY_MS, MILLISECONDS,
1490	>	new ArrayBlockingQueue<Runnable>(10));
1491	>	try (PoolCleaner cleaner = cleaner(e)) {
1492	>	try {
1493	>	e.invokeAny(new ArrayList<Callable<String>>());
1494	>	shouldThrow();
1495	>	} catch (IllegalArgumentException success) {}
1496		}
389	–	catch (IllegalArgumentException success){}
1497		}
1498
1499	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1500	<	public void testConstructor15() {
1501	<	try{
1502	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1503	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1499	>	/**
1500	>	* invokeAny(c) throws NPE if c has null elements
1501	>	*/
1502	>	public void testInvokeAny3() throws Exception {
1503	>	final CountDownLatch latch = new CountDownLatch(1);
1504	>	final ExecutorService e =
1505	>	new ThreadPoolExecutor(2, 2,
1506	>	LONG_DELAY_MS, MILLISECONDS,
1507	>	new ArrayBlockingQueue<Runnable>(10));
1508	>	try (PoolCleaner cleaner = cleaner(e)) {
1509	>	List<Callable<String>> l = new ArrayList<>();
1510	>	l.add(latchAwaitingStringTask(latch));
1511	>	l.add(null);
1512	>	try {
1513	>	e.invokeAny(l);
1514	>	shouldThrow();
1515	>	} catch (NullPointerException success) {}
1516	>	latch.countDown();
1517		}
398	–	catch (IllegalArgumentException success){}
1518		}
1519
1520	<	/** Throws if workQueue is set to null */
1521	<	public void testNullPointerException4() {
1522	<	try{
1523	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1524	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1520	>	/**
1521	>	* invokeAny(c) throws ExecutionException if no task completes
1522	>	*/
1523	>	public void testInvokeAny4() throws Exception {
1524	>	final ExecutorService e =
1525	>	new ThreadPoolExecutor(2, 2,
1526	>	LONG_DELAY_MS, MILLISECONDS,
1527	>	new ArrayBlockingQueue<Runnable>(10));
1528	>	try (PoolCleaner cleaner = cleaner(e)) {
1529	>	List<Callable<String>> l = new ArrayList<>();
1530	>	l.add(new NPETask());
1531	>	try {
1532	>	e.invokeAny(l);
1533	>	shouldThrow();
1534	>	} catch (ExecutionException success) {
1535	>	assertTrue(success.getCause() instanceof NullPointerException);
1536	>	}
1537		}
407	–	catch (NullPointerException success){}
1538		}
1539
1540	<	/** Throws if handler is set to null */
1541	<	public void testNullPointerException5() {
1542	<	try{
1543	<	RejectedExecutionHandler r = null;
1544	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1545	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1540	>	/**
1541	>	* invokeAny(c) returns result of some task
1542	>	*/
1543	>	public void testInvokeAny5() throws Exception {
1544	>	final ExecutorService e =
1545	>	new ThreadPoolExecutor(2, 2,
1546	>	LONG_DELAY_MS, MILLISECONDS,
1547	>	new ArrayBlockingQueue<Runnable>(10));
1548	>	try (PoolCleaner cleaner = cleaner(e)) {
1549	>	List<Callable<String>> l = new ArrayList<>();
1550	>	l.add(new StringTask());
1551	>	l.add(new StringTask());
1552	>	String result = e.invokeAny(l);
1553	>	assertSame(TEST_STRING, result);
1554		}
417	–	catch (NullPointerException success){}
1555		}
1556
1557	<
1558	<	/** Throws if corePoolSize argument is less than zero */
1559	<	public void testConstructor16() {
1560	<	try{
1561	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1562	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1557	>	/**
1558	>	* invokeAll(null) throws NPE
1559	>	*/
1560	>	public void testInvokeAll1() throws Exception {
1561	>	final ExecutorService e =
1562	>	new ThreadPoolExecutor(2, 2,
1563	>	LONG_DELAY_MS, MILLISECONDS,
1564	>	new ArrayBlockingQueue<Runnable>(10));
1565	>	try (PoolCleaner cleaner = cleaner(e)) {
1566	>	try {
1567	>	e.invokeAll(null);
1568	>	shouldThrow();
1569	>	} catch (NullPointerException success) {}
1570		}
427	–	catch (IllegalArgumentException success){}
1571		}
1572
1573	<	/** Throws if maximumPoolSize is less than zero */
1574	<	public void testConstructor17() {
1575	<	try{
1576	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1577	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1573	>	/**
1574	>	* invokeAll(empty collection) returns empty collection
1575	>	*/
1576	>	public void testInvokeAll2() throws InterruptedException {
1577	>	final ExecutorService e =
1578	>	new ThreadPoolExecutor(2, 2,
1579	>	LONG_DELAY_MS, MILLISECONDS,
1580	>	new ArrayBlockingQueue<Runnable>(10));
1581	>	try (PoolCleaner cleaner = cleaner(e)) {
1582	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1583	>	assertTrue(r.isEmpty());
1584		}
436	–	catch (IllegalArgumentException success){}
1585		}
1586
1587	<	/** Throws if maximumPoolSize is equal to zero */
1588	<	public void testConstructor18() {
1589	<	try{
1590	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1591	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1587	>	/**
1588	>	* invokeAll(c) throws NPE if c has null elements
1589	>	*/
1590	>	public void testInvokeAll3() throws Exception {
1591	>	final ExecutorService e =
1592	>	new ThreadPoolExecutor(2, 2,
1593	>	LONG_DELAY_MS, MILLISECONDS,
1594	>	new ArrayBlockingQueue<Runnable>(10));
1595	>	try (PoolCleaner cleaner = cleaner(e)) {
1596	>	List<Callable<String>> l = new ArrayList<>();
1597	>	l.add(new StringTask());
1598	>	l.add(null);
1599	>	try {
1600	>	e.invokeAll(l);
1601	>	shouldThrow();
1602	>	} catch (NullPointerException success) {}
1603		}
445	–	catch (IllegalArgumentException success){}
1604		}
1605
1606	<	/** Throws if keepAliveTime is less than zero */
1607	<	public void testConstructor19() {
1608	<	try{
1609	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1610	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1606	>	/**
1607	>	* get of element of invokeAll(c) throws exception on failed task
1608	>	*/
1609	>	public void testInvokeAll4() throws Exception {
1610	>	final ExecutorService e =
1611	>	new ThreadPoolExecutor(2, 2,
1612	>	LONG_DELAY_MS, MILLISECONDS,
1613	>	new ArrayBlockingQueue<Runnable>(10));
1614	>	try (PoolCleaner cleaner = cleaner(e)) {
1615	>	List<Callable<String>> l = new ArrayList<>();
1616	>	l.add(new NPETask());
1617	>	List<Future<String>> futures = e.invokeAll(l);
1618	>	assertEquals(1, futures.size());
1619	>	try {
1620	>	futures.get(0).get();
1621	>	shouldThrow();
1622	>	} catch (ExecutionException success) {
1623	>	assertTrue(success.getCause() instanceof NullPointerException);
1624	>	}
1625		}
454	–	catch (IllegalArgumentException success){}
1626		}
1627
1628	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1629	<	public void testConstructor20() {
1630	<	try{
1631	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1632	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1633	<	}
1634	<	catch (IllegalArgumentException success){}
1635	<	}
1636	<
1637	<	/** Throws if workQueue is set to null */
1638	<	public void testNullPointerException6() {
1639	<	try{
1640	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1641	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1642	<	}
1643	<	catch (NullPointerException success){}
1644	<	}
1645	<
1646	<	/** Throws if handler is set to null */
1647	<	public void testNullPointerException7() {
1648	<	try{
1649	<	RejectedExecutionHandler r = null;
1650	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1651	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1652	<	}
1653	<	catch (NullPointerException success){}
1654	<	}
1655	<
1656	<	/** Throws if ThreadFactory is set top null */
1657	<	public void testNullPointerException8() {
1658	<	try{
1659	<	ThreadFactory f = null;
1660	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1661	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1662	<	}
1663	<	catch (NullPointerException successdn8){}
1664	<	}
1665	<
1666	<
1667	<	/**
1668	<	*   execute will throw RejectedExcutionException
1669	<	*  ThreadPoolExecutor will throw one when more runnables are
1670	<	*  executed then will fit in the Queue.
1671	<	*/
1672	<	public void testRejectedExecutionException(){
1673	<	ThreadPoolExecutor tpe = null;
1674	<	try{
1675	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1676	<	} catch(Exception e){}
1677	<	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();
1628	>	/**
1629	>	* invokeAll(c) returns results of all completed tasks
1630	>	*/
1631	>	public void testInvokeAll5() throws Exception {
1632	>	final ExecutorService e =
1633	>	new ThreadPoolExecutor(2, 2,
1634	>	LONG_DELAY_MS, MILLISECONDS,
1635	>	new ArrayBlockingQueue<Runnable>(10));
1636	>	try (PoolCleaner cleaner = cleaner(e)) {
1637	>	List<Callable<String>> l = new ArrayList<>();
1638	>	l.add(new StringTask());
1639	>	l.add(new StringTask());
1640	>	List<Future<String>> futures = e.invokeAll(l);
1641	>	assertEquals(2, futures.size());
1642	>	for (Future<String> future : futures)
1643	>	assertSame(TEST_STRING, future.get());
1644	>	}
1645	>	}
1646	>
1647	>	/**
1648	>	* timed invokeAny(null) throws NPE
1649	>	*/
1650	>	public void testTimedInvokeAny1() throws Exception {
1651	>	final ExecutorService e =
1652	>	new ThreadPoolExecutor(2, 2,
1653	>	LONG_DELAY_MS, MILLISECONDS,
1654	>	new ArrayBlockingQueue<Runnable>(10));
1655	>	try (PoolCleaner cleaner = cleaner(e)) {
1656	>	try {
1657	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1658	>	shouldThrow();
1659	>	} catch (NullPointerException success) {}
1660	>	}
1661	>	}
1662	>
1663	>	/**
1664	>	* timed invokeAny(,,null) throws NPE
1665	>	*/
1666	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1667	>	final ExecutorService e =
1668	>	new ThreadPoolExecutor(2, 2,
1669	>	LONG_DELAY_MS, MILLISECONDS,
1670	>	new ArrayBlockingQueue<Runnable>(10));
1671	>	try (PoolCleaner cleaner = cleaner(e)) {
1672	>	List<Callable<String>> l = new ArrayList<>();
1673	>	l.add(new StringTask());
1674	>	try {
1675	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1676	>	shouldThrow();
1677	>	} catch (NullPointerException success) {}
1678		}
591	–	joinPool(tpe);
1679		}
1680	<
1680	>
1681	>	/**
1682	>	* timed invokeAny(empty collection) throws IAE
1683	>	*/
1684	>	public void testTimedInvokeAny2() throws Exception {
1685	>	final ExecutorService e =
1686	>	new ThreadPoolExecutor(2, 2,
1687	>	LONG_DELAY_MS, MILLISECONDS,
1688	>	new ArrayBlockingQueue<Runnable>(10));
1689	>	try (PoolCleaner cleaner = cleaner(e)) {
1690	>	try {
1691	>	e.invokeAny(new ArrayList<Callable<String>>(),
1692	>	MEDIUM_DELAY_MS, MILLISECONDS);
1693	>	shouldThrow();
1694	>	} catch (IllegalArgumentException success) {}
1695	>	}
1696	>	}
1697	>
1698	>	/**
1699	>	* timed invokeAny(c) throws NPE if c has null elements
1700	>	*/
1701	>	public void testTimedInvokeAny3() throws Exception {
1702	>	final CountDownLatch latch = new CountDownLatch(1);
1703	>	final ExecutorService e =
1704	>	new ThreadPoolExecutor(2, 2,
1705	>	LONG_DELAY_MS, MILLISECONDS,
1706	>	new ArrayBlockingQueue<Runnable>(10));
1707	>	try (PoolCleaner cleaner = cleaner(e)) {
1708	>	List<Callable<String>> l = new ArrayList<>();
1709	>	l.add(latchAwaitingStringTask(latch));
1710	>	l.add(null);
1711	>	try {
1712	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1713	>	shouldThrow();
1714	>	} catch (NullPointerException success) {}
1715	>	latch.countDown();
1716	>	}
1717	>	}
1718	>
1719	>	/**
1720	>	* timed invokeAny(c) throws ExecutionException if no task completes
1721	>	*/
1722	>	public void testTimedInvokeAny4() throws Exception {
1723	>	final ExecutorService e =
1724	>	new ThreadPoolExecutor(2, 2,
1725	>	LONG_DELAY_MS, MILLISECONDS,
1726	>	new ArrayBlockingQueue<Runnable>(10));
1727	>	try (PoolCleaner cleaner = cleaner(e)) {
1728	>	long startTime = System.nanoTime();
1729	>	List<Callable<String>> l = new ArrayList<>();
1730	>	l.add(new NPETask());
1731	>	try {
1732	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1733	>	shouldThrow();
1734	>	} catch (ExecutionException success) {
1735	>	assertTrue(success.getCause() instanceof NullPointerException);
1736	>	}
1737	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
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	>	long startTime = System.nanoTime();
1751	>	List<Callable<String>> l = new ArrayList<>();
1752	>	l.add(new StringTask());
1753	>	l.add(new StringTask());
1754	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1755	>	assertSame(TEST_STRING, result);
1756	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1757	>	}
1758	>	}
1759	>
1760	>	/**
1761	>	* timed invokeAll(null) throws NPE
1762	>	*/
1763	>	public void testTimedInvokeAll1() throws Exception {
1764	>	final ExecutorService e =
1765	>	new ThreadPoolExecutor(2, 2,
1766	>	LONG_DELAY_MS, MILLISECONDS,
1767	>	new ArrayBlockingQueue<Runnable>(10));
1768	>	try (PoolCleaner cleaner = cleaner(e)) {
1769	>	try {
1770	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1771	>	shouldThrow();
1772	>	} catch (NullPointerException success) {}
1773	>	}
1774	>	}
1775	>
1776	>	/**
1777	>	* timed invokeAll(,,null) throws NPE
1778	>	*/
1779	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1780	>	final ExecutorService e =
1781	>	new ThreadPoolExecutor(2, 2,
1782	>	LONG_DELAY_MS, MILLISECONDS,
1783	>	new ArrayBlockingQueue<Runnable>(10));
1784	>	try (PoolCleaner cleaner = cleaner(e)) {
1785	>	List<Callable<String>> l = new ArrayList<>();
1786	>	l.add(new StringTask());
1787	>	try {
1788	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1789	>	shouldThrow();
1790	>	} catch (NullPointerException success) {}
1791	>	}
1792	>	}
1793	>
1794	>	/**
1795	>	* timed invokeAll(empty collection) returns empty collection
1796	>	*/
1797	>	public void testTimedInvokeAll2() throws InterruptedException {
1798	>	final ExecutorService e =
1799	>	new ThreadPoolExecutor(2, 2,
1800	>	LONG_DELAY_MS, MILLISECONDS,
1801	>	new ArrayBlockingQueue<Runnable>(10));
1802	>	try (PoolCleaner cleaner = cleaner(e)) {
1803	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1804	>	MEDIUM_DELAY_MS, MILLISECONDS);
1805	>	assertTrue(r.isEmpty());
1806	>	}
1807	>	}
1808	>
1809	>	/**
1810	>	* timed invokeAll(c) throws NPE if c has null elements
1811	>	*/
1812	>	public void testTimedInvokeAll3() throws Exception {
1813	>	final ExecutorService e =
1814	>	new ThreadPoolExecutor(2, 2,
1815	>	LONG_DELAY_MS, MILLISECONDS,
1816	>	new ArrayBlockingQueue<Runnable>(10));
1817	>	try (PoolCleaner cleaner = cleaner(e)) {
1818	>	List<Callable<String>> l = new ArrayList<>();
1819	>	l.add(new StringTask());
1820	>	l.add(null);
1821	>	try {
1822	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1823	>	shouldThrow();
1824	>	} catch (NullPointerException success) {}
1825	>	}
1826	>	}
1827	>
1828	>	/**
1829	>	* get of element of invokeAll(c) throws exception on failed task
1830	>	*/
1831	>	public void testTimedInvokeAll4() throws Exception {
1832	>	final ExecutorService e =
1833	>	new ThreadPoolExecutor(2, 2,
1834	>	LONG_DELAY_MS, MILLISECONDS,
1835	>	new ArrayBlockingQueue<Runnable>(10));
1836	>	try (PoolCleaner cleaner = cleaner(e)) {
1837	>	List<Callable<String>> l = new ArrayList<>();
1838	>	l.add(new NPETask());
1839	>	List<Future<String>> futures =
1840	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1841	>	assertEquals(1, futures.size());
1842	>	try {
1843	>	futures.get(0).get();
1844	>	shouldThrow();
1845	>	} catch (ExecutionException success) {
1846	>	assertTrue(success.getCause() instanceof NullPointerException);
1847	>	}
1848	>	}
1849	>	}
1850	>
1851	>	/**
1852	>	* timed invokeAll(c) returns results of all completed tasks
1853	>	*/
1854	>	public void testTimedInvokeAll5() throws Exception {
1855	>	final ExecutorService e =
1856	>	new ThreadPoolExecutor(2, 2,
1857	>	LONG_DELAY_MS, MILLISECONDS,
1858	>	new ArrayBlockingQueue<Runnable>(10));
1859	>	try (PoolCleaner cleaner = cleaner(e)) {
1860	>	List<Callable<String>> l = new ArrayList<>();
1861	>	l.add(new StringTask());
1862	>	l.add(new StringTask());
1863	>	List<Future<String>> futures =
1864	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1865	>	assertEquals(2, futures.size());
1866	>	for (Future<String> future : futures)
1867	>	assertSame(TEST_STRING, future.get());
1868	>	}
1869	>	}
1870	>
1871	>	/**
1872	>	* timed invokeAll(c) cancels tasks not completed by timeout
1873	>	*/
1874	>	public void testTimedInvokeAll6() throws Exception {
1875	>	for (long timeout = timeoutMillis();;) {
1876	>	final CountDownLatch done = new CountDownLatch(1);
1877	>	final Callable<String> waiter = new CheckedCallable<String>() {
1878	>	public String realCall() {
1879	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1880	>	catch (InterruptedException ok) {}
1881	>	return "1"; }};
1882	>	final ExecutorService p =
1883	>	new ThreadPoolExecutor(2, 2,
1884	>	LONG_DELAY_MS, MILLISECONDS,
1885	>	new ArrayBlockingQueue<Runnable>(10));
1886	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1887	>	List<Callable<String>> tasks = new ArrayList<>();
1888	>	tasks.add(new StringTask("0"));
1889	>	tasks.add(waiter);
1890	>	tasks.add(new StringTask("2"));
1891	>	long startTime = System.nanoTime();
1892	>	List<Future<String>> futures =
1893	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1894	>	assertEquals(tasks.size(), futures.size());
1895	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1896	>	for (Future future : futures)
1897	>	assertTrue(future.isDone());
1898	>	assertTrue(futures.get(1).isCancelled());
1899	>	try {
1900	>	assertEquals("0", futures.get(0).get());
1901	>	assertEquals("2", futures.get(2).get());
1902	>	break;
1903	>	} catch (CancellationException retryWithLongerTimeout) {
1904	>	timeout *= 2;
1905	>	if (timeout >= LONG_DELAY_MS / 2)
1906	>	fail("expected exactly one task to be cancelled");
1907	>	}
1908	>	}
1909	>	}
1910	>	}
1911	>
1912	>	/**
1913	>	* Execution continues if there is at least one thread even if
1914	>	* thread factory fails to create more
1915	>	*/
1916	>	public void testFailingThreadFactory() throws InterruptedException {
1917	>	final ExecutorService e =
1918	>	new ThreadPoolExecutor(100, 100,
1919	>	LONG_DELAY_MS, MILLISECONDS,
1920	>	new LinkedBlockingQueue<Runnable>(),
1921	>	new FailingThreadFactory());
1922	>	try (PoolCleaner cleaner = cleaner(e)) {
1923	>	final int TASKS = 100;
1924	>	final CountDownLatch done = new CountDownLatch(TASKS);
1925	>	for (int k = 0; k < TASKS; ++k)
1926	>	e.execute(new CheckedRunnable() {
1927	>	public void realRun() {
1928	>	done.countDown();
1929	>	}});
1930	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1931	>	}
1932	>	}
1933	>
1934	>	/**
1935	>	* allowsCoreThreadTimeOut is by default false.
1936	>	*/
1937	>	public void testAllowsCoreThreadTimeOut() {
1938	>	final ThreadPoolExecutor p =
1939	>	new ThreadPoolExecutor(2, 2,
1940	>	1000, MILLISECONDS,
1941	>	new ArrayBlockingQueue<Runnable>(10));
1942	>	try (PoolCleaner cleaner = cleaner(p)) {
1943	>	assertFalse(p.allowsCoreThreadTimeOut());
1944	>	}
1945	>	}
1946	>
1947	>	/**
1948	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1949	>	*/
1950	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1951	>	long keepAliveTime = timeoutMillis();
1952	>	final ThreadPoolExecutor p =
1953	>	new ThreadPoolExecutor(2, 10,
1954	>	keepAliveTime, MILLISECONDS,
1955	>	new ArrayBlockingQueue<Runnable>(10));
1956	>	try (PoolCleaner cleaner = cleaner(p)) {
1957	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1958	>	p.allowCoreThreadTimeOut(true);
1959	>	p.execute(new CheckedRunnable() {
1960	>	public void realRun() {
1961	>	threadStarted.countDown();
1962	>	assertEquals(1, p.getPoolSize());
1963	>	}});
1964	>	await(threadStarted);
1965	>	delay(keepAliveTime);
1966	>	long startTime = System.nanoTime();
1967	>	while (p.getPoolSize() > 0
1968	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1969	>	Thread.yield();
1970	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1971	>	assertEquals(0, p.getPoolSize());
1972	>	}
1973	>	}
1974	>
1975	>	/**
1976	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1977	>	*/
1978	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1979	>	long keepAliveTime = timeoutMillis();
1980	>	final ThreadPoolExecutor p =
1981	>	new ThreadPoolExecutor(2, 10,
1982	>	keepAliveTime, MILLISECONDS,
1983	>	new ArrayBlockingQueue<Runnable>(10));
1984	>	try (PoolCleaner cleaner = cleaner(p)) {
1985	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1986	>	p.allowCoreThreadTimeOut(false);
1987	>	p.execute(new CheckedRunnable() {
1988	>	public void realRun() throws InterruptedException {
1989	>	threadStarted.countDown();
1990	>	assertTrue(p.getPoolSize() >= 1);
1991	>	}});
1992	>	delay(2 * keepAliveTime);
1993	>	assertTrue(p.getPoolSize() >= 1);
1994	>	}
1995	>	}
1996	>
1997	>	/**
1998	>	* execute allows the same task to be submitted multiple times, even
1999	>	* if rejected
2000	>	*/
2001	>	public void testRejectedRecycledTask() throws InterruptedException {
2002	>	final int nTasks = 1000;
2003	>	final CountDownLatch done = new CountDownLatch(nTasks);
2004	>	final Runnable recycledTask = new Runnable() {
2005	>	public void run() {
2006	>	done.countDown();
2007	>	}};
2008	>	final ThreadPoolExecutor p =
2009	>	new ThreadPoolExecutor(1, 30,
2010	>	60, SECONDS,
2011	>	new ArrayBlockingQueue(30));
2012	>	try (PoolCleaner cleaner = cleaner(p)) {
2013	>	for (int i = 0; i < nTasks; ++i) {
2014	>	for (;;) {
2015	>	try {
2016	>	p.execute(recycledTask);
2017	>	break;
2018	>	}
2019	>	catch (RejectedExecutionException ignore) {}
2020	>	}
2021	>	}
2022	>	// enough time to run all tasks
2023	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2024	>	}
2025	>	}
2026	>
2027	>	/**
2028	>	* get(cancelled task) throws CancellationException
2029	>	*/
2030	>	public void testGet_cancelled() throws Exception {
2031	>	final CountDownLatch done = new CountDownLatch(1);
2032	>	final ExecutorService e =
2033	>	new ThreadPoolExecutor(1, 1,
2034	>	LONG_DELAY_MS, MILLISECONDS,
2035	>	new LinkedBlockingQueue<Runnable>());
2036	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2037	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2038	>	final List<Future<?>> futures = new ArrayList<>();
2039	>	for (int i = 0; i < 2; i++) {
2040	>	Runnable r = new CheckedRunnable() { public void realRun()
2041	>	throws Throwable {
2042	>	blockerStarted.countDown();
2043	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2044	>	}};
2045	>	futures.add(e.submit(r));
2046	>	}
2047	>	await(blockerStarted);
2048	>	for (Future<?> future : futures) future.cancel(false);
2049	>	for (Future<?> future : futures) {
2050	>	try {
2051	>	future.get();
2052	>	shouldThrow();
2053	>	} catch (CancellationException success) {}
2054	>	try {
2055	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2056	>	shouldThrow();
2057	>	} catch (CancellationException success) {}
2058	>	assertTrue(future.isCancelled());
2059	>	assertTrue(future.isDone());
2060	>	}
2061	>	}
2062	>	}
2063	>
2064		}

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