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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 1.113 by jsr166, Wed Aug 24 22:22:39 2016 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.atomic.AtomicInteger;
32	+
33	+	import junit.framework.Test;
34	+	import junit.framework.TestSuite;
35
36		public class ThreadPoolExecutorTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run (suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41		return new TestSuite(ThreadPoolExecutorTest.class);
42		}
43	<
43	>
44	>	static class ExtendedTPE extends ThreadPoolExecutor {
45	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
46	>	final CountDownLatch afterCalled = new CountDownLatch(1);
47	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
48	>
49	>	public ExtendedTPE() {
50	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
51	>	}
52	>	protected void beforeExecute(Thread t, Runnable r) {
53	>	beforeCalled.countDown();
54	>	}
55	>	protected void afterExecute(Runnable r, Throwable t) {
56	>	afterCalled.countDown();
57	>	}
58	>	protected void terminated() {
59	>	terminatedCalled.countDown();
60	>	}
61	>
62	>	public boolean beforeCalled() {
63	>	return beforeCalled.getCount() == 0;
64	>	}
65	>	public boolean afterCalled() {
66	>	return afterCalled.getCount() == 0;
67	>	}
68	>	public boolean terminatedCalled() {
69	>	return terminatedCalled.getCount() == 0;
70	>	}
71	>	}
72	>
73	>	static class FailingThreadFactory implements ThreadFactory {
74	>	int calls = 0;
75	>	public Thread newThread(Runnable r) {
76	>	if (++calls > 1) return null;
77	>	return new Thread(r);
78	>	}
79	>	}
80	>
81		/**
82	<	* For use as ThreadFactory in constructors
82	>	* execute successfully executes a runnable
83		*/
84	<	static class MyThreadFactory implements ThreadFactory{
85	<	public Thread newThread(Runnable r){
86	<	return new Thread(r);
87	<	}
84	>	public void testExecute() throws InterruptedException {
85	>	final ThreadPoolExecutor p =
86	>	new ThreadPoolExecutor(1, 1,
87	>	LONG_DELAY_MS, MILLISECONDS,
88	>	new ArrayBlockingQueue<Runnable>(10));
89	>	try (PoolCleaner cleaner = cleaner(p)) {
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() { done.countDown(); }};
93	>	p.execute(task);
94	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
95	>	}
96	>	}
97	>
98	>	/**
99	>	* getActiveCount increases but doesn't overestimate, when a
100	>	* thread becomes active
101	>	*/
102	>	public void testGetActiveCount() throws InterruptedException {
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p, done)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	assertEquals(0, p.getActiveCount());
111	>	p.execute(new CheckedRunnable() {
112	>	public void realRun() throws InterruptedException {
113	>	threadStarted.countDown();
114	>	assertEquals(1, p.getActiveCount());
115	>	await(done);
116	>	}});
117	>	await(threadStarted);
118	>	assertEquals(1, p.getActiveCount());
119	>	}
120		}
121
122		/**
123	<	* For use as RejectedExecutionHandler in constructors
123	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
124		*/
125	<	static class MyREHandler implements RejectedExecutionHandler{
126	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
125	>	public void testPrestartCoreThread() {
126	>	final ThreadPoolExecutor p =
127	>	new ThreadPoolExecutor(2, 6,
128	>	LONG_DELAY_MS, MILLISECONDS,
129	>	new ArrayBlockingQueue<Runnable>(10));
130	>	try (PoolCleaner cleaner = cleaner(p)) {
131	>	assertEquals(0, p.getPoolSize());
132	>	assertTrue(p.prestartCoreThread());
133	>	assertEquals(1, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(2, p.getPoolSize());
136	>	assertFalse(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	p.setCorePoolSize(4);
139	>	assertTrue(p.prestartCoreThread());
140	>	assertEquals(3, p.getPoolSize());
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(4, p.getPoolSize());
143	>	assertFalse(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	}
146		}
147	<
147	>
148		/**
149	<	*   execute successfully executes a runnable
149	>	* prestartAllCoreThreads starts all corePoolSize threads
150		*/
151	<	public void testExecute(){
152	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
153	<	try {
154	<	one.execute(new Runnable(){
155	<	public void run(){
156	<	try{
157	<	Thread.sleep(SHORT_DELAY_MS);
158	<	} catch(InterruptedException e){
159	<	fail("unexpected exception");
160	<	}
161	<	}
162	<	});
163	<	Thread.sleep(SMALL_DELAY_MS);
164	<	} catch(InterruptedException e){
165	<	fail("unexpected exception");
166	<	}
167	<	joinPool(one);
151	>	public void testPrestartAllCoreThreads() {
152	>	final ThreadPoolExecutor p =
153	>	new ThreadPoolExecutor(2, 6,
154	>	LONG_DELAY_MS, MILLISECONDS,
155	>	new ArrayBlockingQueue<Runnable>(10));
156	>	try (PoolCleaner cleaner = cleaner(p)) {
157	>	assertEquals(0, p.getPoolSize());
158	>	p.prestartAllCoreThreads();
159	>	assertEquals(2, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.setCorePoolSize(4);
163	>	p.prestartAllCoreThreads();
164	>	assertEquals(4, p.getPoolSize());
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	}
168	>	}
169	>
170	>	/**
171	>	* getCompletedTaskCount increases, but doesn't overestimate,
172	>	* when tasks complete
173	>	*/
174	>	public void testGetCompletedTaskCount() throws InterruptedException {
175	>	final ThreadPoolExecutor p =
176	>	new ThreadPoolExecutor(2, 2,
177	>	LONG_DELAY_MS, MILLISECONDS,
178	>	new ArrayBlockingQueue<Runnable>(10));
179	>	try (PoolCleaner cleaner = cleaner(p)) {
180	>	final CountDownLatch threadStarted = new CountDownLatch(1);
181	>	final CountDownLatch threadProceed = new CountDownLatch(1);
182	>	final CountDownLatch threadDone = new CountDownLatch(1);
183	>	assertEquals(0, p.getCompletedTaskCount());
184	>	p.execute(new CheckedRunnable() {
185	>	public void realRun() throws InterruptedException {
186	>	threadStarted.countDown();
187	>	assertEquals(0, p.getCompletedTaskCount());
188	>	threadProceed.await();
189	>	threadDone.countDown();
190	>	}});
191	>	await(threadStarted);
192	>	assertEquals(0, p.getCompletedTaskCount());
193	>	threadProceed.countDown();
194	>	threadDone.await();
195	>	long startTime = System.nanoTime();
196	>	while (p.getCompletedTaskCount() != 1) {
197	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
198	>	fail("timed out");
199	>	Thread.yield();
200	>	}
201	>	}
202	>	}
203	>
204	>	/**
205	>	* getCorePoolSize returns size given in constructor if not otherwise set
206	>	*/
207	>	public void testGetCorePoolSize() {
208	>	final ThreadPoolExecutor p =
209	>	new ThreadPoolExecutor(1, 1,
210	>	LONG_DELAY_MS, MILLISECONDS,
211	>	new ArrayBlockingQueue<Runnable>(10));
212	>	try (PoolCleaner cleaner = cleaner(p)) {
213	>	assertEquals(1, p.getCorePoolSize());
214	>	}
215	>	}
216	>
217	>	/**
218	>	* getKeepAliveTime returns value given in constructor if not otherwise set
219	>	*/
220	>	public void testGetKeepAliveTime() {
221	>	final ThreadPoolExecutor p =
222	>	new ThreadPoolExecutor(2, 2,
223	>	1000, MILLISECONDS,
224	>	new ArrayBlockingQueue<Runnable>(10));
225	>	try (PoolCleaner cleaner = cleaner(p)) {
226	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
227	>	}
228	>	}
229	>
230	>	/**
231	>	* getThreadFactory returns factory in constructor if not set
232	>	*/
233	>	public void testGetThreadFactory() {
234	>	ThreadFactory threadFactory = new SimpleThreadFactory();
235	>	final ThreadPoolExecutor p =
236	>	new ThreadPoolExecutor(1, 2,
237	>	LONG_DELAY_MS, MILLISECONDS,
238	>	new ArrayBlockingQueue<Runnable>(10),
239	>	threadFactory,
240	>	new NoOpREHandler());
241	>	try (PoolCleaner cleaner = cleaner(p)) {
242	>	assertSame(threadFactory, p.getThreadFactory());
243	>	}
244	>	}
245	>
246	>	/**
247	>	* setThreadFactory sets the thread factory returned by getThreadFactory
248	>	*/
249	>	public void testSetThreadFactory() {
250	>	final ThreadPoolExecutor p =
251	>	new ThreadPoolExecutor(1, 2,
252	>	LONG_DELAY_MS, MILLISECONDS,
253	>	new ArrayBlockingQueue<Runnable>(10));
254	>	try (PoolCleaner cleaner = cleaner(p)) {
255	>	ThreadFactory threadFactory = new SimpleThreadFactory();
256	>	p.setThreadFactory(threadFactory);
257	>	assertSame(threadFactory, p.getThreadFactory());
258	>	}
259	>	}
260	>
261	>	/**
262	>	* setThreadFactory(null) throws NPE
263	>	*/
264	>	public void testSetThreadFactoryNull() {
265	>	final ThreadPoolExecutor p =
266	>	new ThreadPoolExecutor(1, 2,
267	>	LONG_DELAY_MS, MILLISECONDS,
268	>	new ArrayBlockingQueue<Runnable>(10));
269	>	try (PoolCleaner cleaner = cleaner(p)) {
270	>	try {
271	>	p.setThreadFactory(null);
272	>	shouldThrow();
273	>	} catch (NullPointerException success) {}
274	>	}
275	>	}
276	>
277	>	/**
278	>	* getRejectedExecutionHandler returns handler in constructor if not set
279	>	*/
280	>	public void testGetRejectedExecutionHandler() {
281	>	final RejectedExecutionHandler handler = new NoOpREHandler();
282	>	final ThreadPoolExecutor p =
283	>	new ThreadPoolExecutor(1, 2,
284	>	LONG_DELAY_MS, MILLISECONDS,
285	>	new ArrayBlockingQueue<Runnable>(10),
286	>	handler);
287	>	try (PoolCleaner cleaner = cleaner(p)) {
288	>	assertSame(handler, p.getRejectedExecutionHandler());
289	>	}
290	>	}
291	>
292	>	/**
293	>	* setRejectedExecutionHandler sets the handler returned by
294	>	* getRejectedExecutionHandler
295	>	*/
296	>	public void testSetRejectedExecutionHandler() {
297	>	final ThreadPoolExecutor p =
298	>	new ThreadPoolExecutor(1, 2,
299	>	LONG_DELAY_MS, MILLISECONDS,
300	>	new ArrayBlockingQueue<Runnable>(10));
301	>	try (PoolCleaner cleaner = cleaner(p)) {
302	>	RejectedExecutionHandler handler = new NoOpREHandler();
303	>	p.setRejectedExecutionHandler(handler);
304	>	assertSame(handler, p.getRejectedExecutionHandler());
305	>	}
306	>	}
307	>
308	>	/**
309	>	* setRejectedExecutionHandler(null) throws NPE
310	>	*/
311	>	public void testSetRejectedExecutionHandlerNull() {
312	>	final ThreadPoolExecutor p =
313	>	new ThreadPoolExecutor(1, 2,
314	>	LONG_DELAY_MS, MILLISECONDS,
315	>	new ArrayBlockingQueue<Runnable>(10));
316	>	try (PoolCleaner cleaner = cleaner(p)) {
317	>	try {
318	>	p.setRejectedExecutionHandler(null);
319	>	shouldThrow();
320	>	} catch (NullPointerException success) {}
321	>	}
322	>	}
323	>
324	>	/**
325	>	* getLargestPoolSize increases, but doesn't overestimate, when
326	>	* multiple threads active
327	>	*/
328	>	public void testGetLargestPoolSize() throws InterruptedException {
329	>	final int THREADS = 3;
330	>	final CountDownLatch done = new CountDownLatch(1);
331	>	final ThreadPoolExecutor p =
332	>	new ThreadPoolExecutor(THREADS, THREADS,
333	>	LONG_DELAY_MS, MILLISECONDS,
334	>	new ArrayBlockingQueue<Runnable>(10));
335	>	try (PoolCleaner cleaner = cleaner(p, done)) {
336	>	assertEquals(0, p.getLargestPoolSize());
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	for (int i = 0; i < THREADS; i++)
339	>	p.execute(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	threadsStarted.countDown();
342	>	await(done);
343	>	assertEquals(THREADS, p.getLargestPoolSize());
344	>	}});
345	>	await(threadsStarted);
346	>	assertEquals(THREADS, p.getLargestPoolSize());
347	>	}
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	}
350	>
351	>	/**
352	>	* getMaximumPoolSize returns value given in constructor if not
353	>	* otherwise set
354	>	*/
355	>	public void testGetMaximumPoolSize() {
356	>	final ThreadPoolExecutor p =
357	>	new ThreadPoolExecutor(2, 3,
358	>	LONG_DELAY_MS, MILLISECONDS,
359	>	new ArrayBlockingQueue<Runnable>(10));
360	>	try (PoolCleaner cleaner = cleaner(p)) {
361	>	assertEquals(3, p.getMaximumPoolSize());
362	>	p.setMaximumPoolSize(5);
363	>	assertEquals(5, p.getMaximumPoolSize());
364	>	p.setMaximumPoolSize(4);
365	>	assertEquals(4, p.getMaximumPoolSize());
366	>	}
367	>	}
368	>
369	>	/**
370	>	* getPoolSize increases, but doesn't overestimate, when threads
371	>	* become active
372	>	*/
373	>	public void testGetPoolSize() throws InterruptedException {
374	>	final CountDownLatch done = new CountDownLatch(1);
375	>	final ThreadPoolExecutor p =
376	>	new ThreadPoolExecutor(1, 1,
377	>	LONG_DELAY_MS, MILLISECONDS,
378	>	new ArrayBlockingQueue<Runnable>(10));
379	>	try (PoolCleaner cleaner = cleaner(p, done)) {
380	>	assertEquals(0, p.getPoolSize());
381	>	final CountDownLatch threadStarted = new CountDownLatch(1);
382	>	p.execute(new CheckedRunnable() {
383	>	public void realRun() throws InterruptedException {
384	>	threadStarted.countDown();
385	>	assertEquals(1, p.getPoolSize());
386	>	await(done);
387	>	}});
388	>	await(threadStarted);
389	>	assertEquals(1, p.getPoolSize());
390	>	}
391	>	}
392	>
393	>	/**
394	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
395	>	*/
396	>	public void testGetTaskCount() throws InterruptedException {
397	>	final int TASKS = 3;
398	>	final CountDownLatch done = new CountDownLatch(1);
399	>	final ThreadPoolExecutor p =
400	>	new ThreadPoolExecutor(1, 1,
401	>	LONG_DELAY_MS, MILLISECONDS,
402	>	new ArrayBlockingQueue<Runnable>(10));
403	>	try (PoolCleaner cleaner = cleaner(p, done)) {
404	>	final CountDownLatch threadStarted = new CountDownLatch(1);
405	>	assertEquals(0, p.getTaskCount());
406	>	assertEquals(0, p.getCompletedTaskCount());
407	>	p.execute(new CheckedRunnable() {
408	>	public void realRun() throws InterruptedException {
409	>	threadStarted.countDown();
410	>	await(done);
411	>	}});
412	>	await(threadStarted);
413	>	assertEquals(1, p.getTaskCount());
414	>	assertEquals(0, p.getCompletedTaskCount());
415	>	for (int i = 0; i < TASKS; i++) {
416	>	assertEquals(1 + i, p.getTaskCount());
417	>	p.execute(new CheckedRunnable() {
418	>	public void realRun() throws InterruptedException {
419	>	threadStarted.countDown();
420	>	assertEquals(1 + TASKS, p.getTaskCount());
421	>	await(done);
422	>	}});
423	>	}
424	>	assertEquals(1 + TASKS, p.getTaskCount());
425	>	assertEquals(0, p.getCompletedTaskCount());
426	>	}
427	>	assertEquals(1 + TASKS, p.getTaskCount());
428	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
429	>	}
430	>
431	>	/**
432	>	* isShutdown is false before shutdown, true after
433	>	*/
434	>	public void testIsShutdown() {
435	>	final ThreadPoolExecutor p =
436	>	new ThreadPoolExecutor(1, 1,
437	>	LONG_DELAY_MS, MILLISECONDS,
438	>	new ArrayBlockingQueue<Runnable>(10));
439	>	try (PoolCleaner cleaner = cleaner(p)) {
440	>	assertFalse(p.isShutdown());
441	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
442	>	assertTrue(p.isShutdown());
443	>	}
444	>	}
445	>
446	>	/**
447	>	* awaitTermination on a non-shutdown pool times out
448	>	*/
449	>	public void testAwaitTermination_timesOut() throws InterruptedException {
450	>	final ThreadPoolExecutor p =
451	>	new ThreadPoolExecutor(1, 1,
452	>	LONG_DELAY_MS, MILLISECONDS,
453	>	new ArrayBlockingQueue<Runnable>(10));
454	>	try (PoolCleaner cleaner = cleaner(p)) {
455	>	assertFalse(p.isTerminated());
456	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
457	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
458	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
459	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
460	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
461	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
462	>	long timeoutNanos = 999999L;
463	>	long startTime = System.nanoTime();
464	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
465	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
466	>	assertFalse(p.isTerminated());
467	>	startTime = System.nanoTime();
468	>	long timeoutMillis = timeoutMillis();
469	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
470	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
471	>	assertFalse(p.isTerminated());
472	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
473	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
474	>	assertTrue(p.isTerminated());
475	>	}
476	>	}
477	>
478	>	/**
479	>	* isTerminated is false before termination, true after
480	>	*/
481	>	public void testIsTerminated() throws InterruptedException {
482	>	final ThreadPoolExecutor p =
483	>	new ThreadPoolExecutor(1, 1,
484	>	LONG_DELAY_MS, MILLISECONDS,
485	>	new ArrayBlockingQueue<Runnable>(10));
486	>	try (PoolCleaner cleaner = cleaner(p)) {
487	>	final CountDownLatch threadStarted = new CountDownLatch(1);
488	>	final CountDownLatch done = new CountDownLatch(1);
489	>	assertFalse(p.isTerminating());
490	>	p.execute(new CheckedRunnable() {
491	>	public void realRun() throws InterruptedException {
492	>	assertFalse(p.isTerminating());
493	>	threadStarted.countDown();
494	>	await(done);
495	>	}});
496	>	await(threadStarted);
497	>	assertFalse(p.isTerminating());
498	>	done.countDown();
499	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
500	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
501	>	assertTrue(p.isTerminated());
502	>	assertFalse(p.isTerminating());
503	>	}
504	>	}
505	>
506	>	/**
507	>	* isTerminating is not true when running or when terminated
508	>	*/
509	>	public void testIsTerminating() throws InterruptedException {
510	>	final ThreadPoolExecutor p =
511	>	new ThreadPoolExecutor(1, 1,
512	>	LONG_DELAY_MS, MILLISECONDS,
513	>	new ArrayBlockingQueue<Runnable>(10));
514	>	try (PoolCleaner cleaner = cleaner(p)) {
515	>	final CountDownLatch threadStarted = new CountDownLatch(1);
516	>	final CountDownLatch done = new CountDownLatch(1);
517	>	assertFalse(p.isTerminating());
518	>	p.execute(new CheckedRunnable() {
519	>	public void realRun() throws InterruptedException {
520	>	assertFalse(p.isTerminating());
521	>	threadStarted.countDown();
522	>	await(done);
523	>	}});
524	>	await(threadStarted);
525	>	assertFalse(p.isTerminating());
526	>	done.countDown();
527	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
528	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
529	>	assertTrue(p.isTerminated());
530	>	assertFalse(p.isTerminating());
531	>	}
532	>	}
533	>
534	>	/**
535	>	* getQueue returns the work queue, which contains queued tasks
536	>	*/
537	>	public void testGetQueue() throws InterruptedException {
538	>	final CountDownLatch done = new CountDownLatch(1);
539	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
540	>	final ThreadPoolExecutor p =
541	>	new ThreadPoolExecutor(1, 1,
542	>	LONG_DELAY_MS, MILLISECONDS,
543	>	q);
544	>	try (PoolCleaner cleaner = cleaner(p, done)) {
545	>	final CountDownLatch threadStarted = new CountDownLatch(1);
546	>	FutureTask[] tasks = new FutureTask[5];
547	>	for (int i = 0; i < tasks.length; i++) {
548	>	Callable task = new CheckedCallable<Boolean>() {
549	>	public Boolean realCall() throws InterruptedException {
550	>	threadStarted.countDown();
551	>	assertSame(q, p.getQueue());
552	>	await(done);
553	>	return Boolean.TRUE;
554	>	}};
555	>	tasks[i] = new FutureTask(task);
556	>	p.execute(tasks[i]);
557	>	}
558	>	await(threadStarted);
559	>	assertSame(q, p.getQueue());
560	>	assertFalse(q.contains(tasks[0]));
561	>	assertTrue(q.contains(tasks[tasks.length - 1]));
562	>	assertEquals(tasks.length - 1, q.size());
563	>	}
564		}
565
566		/**
567	<	*   getActiveCount gives correct values
567	>	* remove(task) removes queued task, and fails to remove active task
568		*/
569	<	public void testGetActiveCount(){
570	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
571	<	assertEquals(0, two.getActiveCount());
572	<	two.execute(new MediumRunnable());
573	<	try{
574	<	Thread.sleep(SHORT_DELAY_MS);
575	<	} catch(Exception e){
576	<	fail("unexpected exception");
569	>	public void testRemove() throws InterruptedException {
570	>	final CountDownLatch done = new CountDownLatch(1);
571	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
572	>	final ThreadPoolExecutor p =
573	>	new ThreadPoolExecutor(1, 1,
574	>	LONG_DELAY_MS, MILLISECONDS,
575	>	q);
576	>	try (PoolCleaner cleaner = cleaner(p, done)) {
577	>	Runnable[] tasks = new Runnable[6];
578	>	final CountDownLatch threadStarted = new CountDownLatch(1);
579	>	for (int i = 0; i < tasks.length; i++) {
580	>	tasks[i] = new CheckedRunnable() {
581	>	public void realRun() throws InterruptedException {
582	>	threadStarted.countDown();
583	>	await(done);
584	>	}};
585	>	p.execute(tasks[i]);
586	>	}
587	>	await(threadStarted);
588	>	assertFalse(p.remove(tasks[0]));
589	>	assertTrue(q.contains(tasks[4]));
590	>	assertTrue(q.contains(tasks[3]));
591	>	assertTrue(p.remove(tasks[4]));
592	>	assertFalse(p.remove(tasks[4]));
593	>	assertFalse(q.contains(tasks[4]));
594	>	assertTrue(q.contains(tasks[3]));
595	>	assertTrue(p.remove(tasks[3]));
596	>	assertFalse(q.contains(tasks[3]));
597		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
598		}
599	<
599	>
600		/**
601	<	*   getCompleteTaskCount gives correct values
601	>	* purge removes cancelled tasks from the queue
602		*/
603	<	public void testGetCompletedTaskCount(){
604	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
605	<	assertEquals(0, two.getCompletedTaskCount());
606	<	two.execute(new ShortRunnable());
607	<	try{
608	<	Thread.sleep(MEDIUM_DELAY_MS);
609	<	} catch(Exception e){
610	<	fail("unexpected exception");
603	>	public void testPurge() throws InterruptedException {
604	>	final CountDownLatch threadStarted = new CountDownLatch(1);
605	>	final CountDownLatch done = new CountDownLatch(1);
606	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
607	>	final ThreadPoolExecutor p =
608	>	new ThreadPoolExecutor(1, 1,
609	>	LONG_DELAY_MS, MILLISECONDS,
610	>	q);
611	>	try (PoolCleaner cleaner = cleaner(p, done)) {
612	>	FutureTask[] tasks = new FutureTask[5];
613	>	for (int i = 0; i < tasks.length; i++) {
614	>	Callable task = new CheckedCallable<Boolean>() {
615	>	public Boolean realCall() throws InterruptedException {
616	>	threadStarted.countDown();
617	>	await(done);
618	>	return Boolean.TRUE;
619	>	}};
620	>	tasks[i] = new FutureTask(task);
621	>	p.execute(tasks[i]);
622	>	}
623	>	await(threadStarted);
624	>	assertEquals(tasks.length, p.getTaskCount());
625	>	assertEquals(tasks.length - 1, q.size());
626	>	assertEquals(1L, p.getActiveCount());
627	>	assertEquals(0L, p.getCompletedTaskCount());
628	>	tasks[4].cancel(true);
629	>	tasks[3].cancel(false);
630	>	p.purge();
631	>	assertEquals(tasks.length - 3, q.size());
632	>	assertEquals(tasks.length - 2, p.getTaskCount());
633	>	p.purge();         // Nothing to do
634	>	assertEquals(tasks.length - 3, q.size());
635	>	assertEquals(tasks.length - 2, p.getTaskCount());
636		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
637		}
638	<
638	>
639	>	/**
640	>	* shutdownNow returns a list containing tasks that were not run,
641	>	* and those tasks are drained from the queue
642	>	*/
643	>	public void testShutdownNow() throws InterruptedException {
644	>	final int poolSize = 2;
645	>	final int count = 5;
646	>	final AtomicInteger ran = new AtomicInteger(0);
647	>	final ThreadPoolExecutor p =
648	>	new ThreadPoolExecutor(poolSize, poolSize,
649	>	LONG_DELAY_MS, MILLISECONDS,
650	>	new ArrayBlockingQueue<Runnable>(10));
651	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
652	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
653	>	threadsStarted.countDown();
654	>	try {
655	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
656	>	} catch (InterruptedException success) {}
657	>	ran.getAndIncrement();
658	>	}};
659	>	for (int i = 0; i < count; i++)
660	>	p.execute(waiter);
661	>	await(threadsStarted);
662	>	assertEquals(poolSize, p.getActiveCount());
663	>	assertEquals(0, p.getCompletedTaskCount());
664	>	final List<Runnable> queuedTasks;
665	>	try {
666	>	queuedTasks = p.shutdownNow();
667	>	} catch (SecurityException ok) {
668	>	return; // Allowed in case test doesn't have privs
669	>	}
670	>	assertTrue(p.isShutdown());
671	>	assertTrue(p.getQueue().isEmpty());
672	>	assertEquals(count - poolSize, queuedTasks.size());
673	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
674	>	assertTrue(p.isTerminated());
675	>	assertEquals(poolSize, ran.get());
676	>	assertEquals(poolSize, p.getCompletedTaskCount());
677	>	}
678	>
679	>	// Exception Tests
680	>
681	>	/**
682	>	* Constructor throws if corePoolSize argument is less than zero
683	>	*/
684	>	public void testConstructor1() {
685	>	try {
686	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
687	>	new ArrayBlockingQueue<Runnable>(10));
688	>	shouldThrow();
689	>	} catch (IllegalArgumentException success) {}
690	>	}
691	>
692	>	/**
693	>	* Constructor throws if maximumPoolSize is less than zero
694	>	*/
695	>	public void testConstructor2() {
696	>	try {
697	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
698	>	new ArrayBlockingQueue<Runnable>(10));
699	>	shouldThrow();
700	>	} catch (IllegalArgumentException success) {}
701	>	}
702	>
703	>	/**
704	>	* Constructor throws if maximumPoolSize is equal to zero
705	>	*/
706	>	public void testConstructor3() {
707	>	try {
708	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
709	>	new ArrayBlockingQueue<Runnable>(10));
710	>	shouldThrow();
711	>	} catch (IllegalArgumentException success) {}
712	>	}
713	>
714	>	/**
715	>	* Constructor throws if keepAliveTime is less than zero
716	>	*/
717	>	public void testConstructor4() {
718	>	try {
719	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
720	>	new ArrayBlockingQueue<Runnable>(10));
721	>	shouldThrow();
722	>	} catch (IllegalArgumentException success) {}
723	>	}
724	>
725	>	/**
726	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
727	>	*/
728	>	public void testConstructor5() {
729	>	try {
730	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
731	>	new ArrayBlockingQueue<Runnable>(10));
732	>	shouldThrow();
733	>	} catch (IllegalArgumentException success) {}
734	>	}
735	>
736	>	/**
737	>	* Constructor throws if workQueue is set to null
738	>	*/
739	>	public void testConstructorNullPointerException() {
740	>	try {
741	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
742	>	(BlockingQueue) null);
743	>	shouldThrow();
744	>	} catch (NullPointerException success) {}
745	>	}
746	>
747	>	/**
748	>	* Constructor throws if corePoolSize argument is less than zero
749	>	*/
750	>	public void testConstructor6() {
751	>	try {
752	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
753	>	new ArrayBlockingQueue<Runnable>(10),
754	>	new SimpleThreadFactory());
755	>	shouldThrow();
756	>	} catch (IllegalArgumentException success) {}
757	>	}
758	>
759	>	/**
760	>	* Constructor throws if maximumPoolSize is less than zero
761	>	*/
762	>	public void testConstructor7() {
763	>	try {
764	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
765	>	new ArrayBlockingQueue<Runnable>(10),
766	>	new SimpleThreadFactory());
767	>	shouldThrow();
768	>	} catch (IllegalArgumentException success) {}
769	>	}
770	>
771		/**
772	<	*   getCorePoolSize gives correct values
772	>	* Constructor throws if maximumPoolSize is equal to zero
773		*/
774	<	public void testGetCorePoolSize(){
775	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
776	<	assertEquals(1, one.getCorePoolSize());
777	<	joinPool(one);
774	>	public void testConstructor8() {
775	>	try {
776	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
777	>	new ArrayBlockingQueue<Runnable>(10),
778	>	new SimpleThreadFactory());
779	>	shouldThrow();
780	>	} catch (IllegalArgumentException success) {}
781		}
782	<
782	>
783		/**
784	<	*   getKeepAliveTime gives correct values
784	>	* Constructor throws if keepAliveTime is less than zero
785		*/
786	<	public void testGetKeepAliveTime(){
787	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
788	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
789	<	joinPool(two);
786	>	public void testConstructor9() {
787	>	try {
788	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
789	>	new ArrayBlockingQueue<Runnable>(10),
790	>	new SimpleThreadFactory());
791	>	shouldThrow();
792	>	} catch (IllegalArgumentException success) {}
793		}
794	<
794	>
795		/**
796	<	*   getLargestPoolSize gives correct values
796	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
797		*/
798	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
798	>	public void testConstructor10() {
799		try {
800	<	assertEquals(0, two.getLargestPoolSize());
801	<	two.execute(new MediumRunnable());
802	<	two.execute(new MediumRunnable());
803	<	Thread.sleep(SHORT_DELAY_MS);
804	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
800	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
801	>	new ArrayBlockingQueue<Runnable>(10),
802	>	new SimpleThreadFactory());
803	>	shouldThrow();
804	>	} catch (IllegalArgumentException success) {}
805		}
806	<
806	>
807		/**
808	<	*   getMaximumPoolSize gives correct values
808	>	* Constructor throws if workQueue is set to null
809		*/
810	<	public void testGetMaximumPoolSize(){
811	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
812	<	assertEquals(2, two.getMaximumPoolSize());
813	<	joinPool(two);
810	>	public void testConstructorNullPointerException2() {
811	>	try {
812	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
813	>	(BlockingQueue) null,
814	>	new SimpleThreadFactory());
815	>	shouldThrow();
816	>	} catch (NullPointerException success) {}
817		}
818	<
818	>
819		/**
820	<	*   getPoolSize gives correct values
820	>	* Constructor throws if threadFactory is set to null
821		*/
822	<	public void testGetPoolSize(){
823	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
824	<	assertEquals(0, one.getPoolSize());
825	<	one.execute(new MediumRunnable());
826	<	assertEquals(1, one.getPoolSize());
827	<	joinPool(one);
822	>	public void testConstructorNullPointerException3() {
823	>	try {
824	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
825	>	new ArrayBlockingQueue<Runnable>(10),
826	>	(ThreadFactory) null);
827	>	shouldThrow();
828	>	} catch (NullPointerException success) {}
829	>	}
830	>
831	>	/**
832	>	* Constructor throws if corePoolSize argument is less than zero
833	>	*/
834	>	public void testConstructor11() {
835	>	try {
836	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
837	>	new ArrayBlockingQueue<Runnable>(10),
838	>	new NoOpREHandler());
839	>	shouldThrow();
840	>	} catch (IllegalArgumentException success) {}
841		}
842	<
842	>
843		/**
844	<	*   getTaskCount gives correct values
844	>	* Constructor throws if maximumPoolSize is less than zero
845		*/
846	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
846	>	public void testConstructor12() {
847		try {
848	<	assertEquals(0, one.getTaskCount());
849	<	for(int i = 0; i < 5; i++)
850	<	one.execute(new MediumRunnable());
851	<	Thread.sleep(SHORT_DELAY_MS);
852	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
848	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
849	>	new ArrayBlockingQueue<Runnable>(10),
850	>	new NoOpREHandler());
851	>	shouldThrow();
852	>	} catch (IllegalArgumentException success) {}
853		}
854	<
854	>
855		/**
856	<	*   isShutDown gives correct values
856	>	* Constructor throws if maximumPoolSize is equal to zero
857		*/
858	<	public void testIsShutdown(){
859	<
860	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
861	<	assertFalse(one.isShutdown());
862	<	one.shutdown();
863	<	assertTrue(one.isShutdown());
864	<	joinPool(one);
858	>	public void testConstructor13() {
859	>	try {
860	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
861	>	new ArrayBlockingQueue<Runnable>(10),
862	>	new NoOpREHandler());
863	>	shouldThrow();
864	>	} catch (IllegalArgumentException success) {}
865		}
866
175	–
867		/**
868	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
868	>	* Constructor throws if keepAliveTime is less than zero
869		*/
870	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
870	>	public void testConstructor14() {
871		try {
872	<	one.execute(new MediumRunnable());
873	<	} finally {
874	<	one.shutdown();
872	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
873	>	new ArrayBlockingQueue<Runnable>(10),
874	>	new NoOpREHandler());
875	>	shouldThrow();
876	>	} catch (IllegalArgumentException success) {}
877	>	}
878	>
879	>	/**
880	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
881	>	*/
882	>	public void testConstructor15() {
883	>	try {
884	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
885	>	new ArrayBlockingQueue<Runnable>(10),
886	>	new NoOpREHandler());
887	>	shouldThrow();
888	>	} catch (IllegalArgumentException success) {}
889	>	}
890	>
891	>	/**
892	>	* Constructor throws if workQueue is set to null
893	>	*/
894	>	public void testConstructorNullPointerException4() {
895	>	try {
896	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
897	>	(BlockingQueue) null,
898	>	new NoOpREHandler());
899	>	shouldThrow();
900	>	} catch (NullPointerException success) {}
901	>	}
902	>
903	>	/**
904	>	* Constructor throws if handler is set to null
905	>	*/
906	>	public void testConstructorNullPointerException5() {
907	>	try {
908	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
909	>	new ArrayBlockingQueue<Runnable>(10),
910	>	(RejectedExecutionHandler) null);
911	>	shouldThrow();
912	>	} catch (NullPointerException success) {}
913	>	}
914	>
915	>	/**
916	>	* Constructor throws if corePoolSize argument is less than zero
917	>	*/
918	>	public void testConstructor16() {
919	>	try {
920	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
921	>	new ArrayBlockingQueue<Runnable>(10),
922	>	new SimpleThreadFactory(),
923	>	new NoOpREHandler());
924	>	shouldThrow();
925	>	} catch (IllegalArgumentException success) {}
926	>	}
927	>
928	>	/**
929	>	* Constructor throws if maximumPoolSize is less than zero
930	>	*/
931	>	public void testConstructor17() {
932	>	try {
933	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
934	>	new ArrayBlockingQueue<Runnable>(10),
935	>	new SimpleThreadFactory(),
936	>	new NoOpREHandler());
937	>	shouldThrow();
938	>	} catch (IllegalArgumentException success) {}
939	>	}
940	>
941	>	/**
942	>	* Constructor throws if maximumPoolSize is equal to zero
943	>	*/
944	>	public void testConstructor18() {
945	>	try {
946	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
947	>	new ArrayBlockingQueue<Runnable>(10),
948	>	new SimpleThreadFactory(),
949	>	new NoOpREHandler());
950	>	shouldThrow();
951	>	} catch (IllegalArgumentException success) {}
952	>	}
953	>
954	>	/**
955	>	* Constructor throws if keepAliveTime is less than zero
956	>	*/
957	>	public void testConstructor19() {
958	>	try {
959	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
960	>	new ArrayBlockingQueue<Runnable>(10),
961	>	new SimpleThreadFactory(),
962	>	new NoOpREHandler());
963	>	shouldThrow();
964	>	} catch (IllegalArgumentException success) {}
965	>	}
966	>
967	>	/**
968	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
969	>	*/
970	>	public void testConstructor20() {
971	>	try {
972	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
973	>	new ArrayBlockingQueue<Runnable>(10),
974	>	new SimpleThreadFactory(),
975	>	new NoOpREHandler());
976	>	shouldThrow();
977	>	} catch (IllegalArgumentException success) {}
978	>	}
979	>
980	>	/**
981	>	* Constructor throws if workQueue is null
982	>	*/
983	>	public void testConstructorNullPointerException6() {
984	>	try {
985	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
986	>	(BlockingQueue) null,
987	>	new SimpleThreadFactory(),
988	>	new NoOpREHandler());
989	>	shouldThrow();
990	>	} catch (NullPointerException success) {}
991	>	}
992	>
993	>	/**
994	>	* Constructor throws if handler is null
995	>	*/
996	>	public void testConstructorNullPointerException7() {
997	>	try {
998	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
999	>	new ArrayBlockingQueue<Runnable>(10),
1000	>	new SimpleThreadFactory(),
1001	>	(RejectedExecutionHandler) null);
1002	>	shouldThrow();
1003	>	} catch (NullPointerException success) {}
1004	>	}
1005	>
1006	>	/**
1007	>	* Constructor throws if ThreadFactory is null
1008	>	*/
1009	>	public void testConstructorNullPointerException8() {
1010	>	try {
1011	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1012	>	new ArrayBlockingQueue<Runnable>(10),
1013	>	(ThreadFactory) null,
1014	>	new NoOpREHandler());
1015	>	shouldThrow();
1016	>	} catch (NullPointerException success) {}
1017	>	}
1018	>
1019	>	/**
1020	>	* get of submitted callable throws InterruptedException if interrupted
1021	>	*/
1022	>	public void testInterruptedSubmit() throws InterruptedException {
1023	>	final CountDownLatch done = new CountDownLatch(1);
1024	>	final ThreadPoolExecutor p =
1025	>	new ThreadPoolExecutor(1, 1,
1026	>	60, SECONDS,
1027	>	new ArrayBlockingQueue<Runnable>(10));
1028	>
1029	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1030	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1031	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1032	>	public void realRun() throws Exception {
1033	>	Callable task = new CheckedCallable<Boolean>() {
1034	>	public Boolean realCall() throws InterruptedException {
1035	>	threadStarted.countDown();
1036	>	await(done);
1037	>	return Boolean.TRUE;
1038	>	}};
1039	>	p.submit(task).get();
1040	>	}});
1041	>
1042	>	await(threadStarted);
1043	>	t.interrupt();
1044	>	awaitTermination(t);
1045		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1046		}
1047
1048		/**
1049	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1049	>	* execute throws RejectedExecutionException if saturated.
1050		*/
1051	<	public void testPurge(){
1052	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1053	<	CancellableTask[] tasks = new CancellableTask[5];
1054	<	for(int i = 0; i < 5; i++){
1055	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1056	<	one.execute(tasks[i]);
1051	>	public void testSaturatedExecute() {
1052	>	final CountDownLatch done = new CountDownLatch(1);
1053	>	final ThreadPoolExecutor p =
1054	>	new ThreadPoolExecutor(1, 1,
1055	>	LONG_DELAY_MS, MILLISECONDS,
1056	>	new ArrayBlockingQueue<Runnable>(1));
1057	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1058	>	Runnable task = new CheckedRunnable() {
1059	>	public void realRun() throws InterruptedException {
1060	>	await(done);
1061	>	}};
1062	>	for (int i = 0; i < 2; ++i)
1063	>	p.execute(task);
1064	>	for (int i = 0; i < 2; ++i) {
1065	>	try {
1066	>	p.execute(task);
1067	>	shouldThrow();
1068	>	} catch (RejectedExecutionException success) {}
1069	>	assertTrue(p.getTaskCount() <= 2);
1070	>	}
1071		}
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);
1072		}
1073
1074		/**
1075	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1075	>	* submit(runnable) throws RejectedExecutionException if saturated.
1076		*/
1077	<	public void testShutDownNow(){
1078	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1079	<	List l;
1080	<	try {
1081	<	for(int i = 0; i < 5; i++)
1082	<	one.execute(new MediumPossiblyInterruptedRunnable());
1077	>	public void testSaturatedSubmitRunnable() {
1078	>	final CountDownLatch done = new CountDownLatch(1);
1079	>	final ThreadPoolExecutor p =
1080	>	new ThreadPoolExecutor(1, 1,
1081	>	LONG_DELAY_MS, MILLISECONDS,
1082	>	new ArrayBlockingQueue<Runnable>(1));
1083	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1084	>	Runnable task = new CheckedRunnable() {
1085	>	public void realRun() throws InterruptedException {
1086	>	await(done);
1087	>	}};
1088	>	for (int i = 0; i < 2; ++i)
1089	>	p.submit(task);
1090	>	for (int i = 0; i < 2; ++i) {
1091	>	try {
1092	>	p.execute(task);
1093	>	shouldThrow();
1094	>	} catch (RejectedExecutionException success) {}
1095	>	assertTrue(p.getTaskCount() <= 2);
1096	>	}
1097		}
1098	<	finally {
1099	<	l = one.shutdownNow();
1098	>	}
1099	>
1100	>	/**
1101	>	* submit(callable) throws RejectedExecutionException if saturated.
1102	>	*/
1103	>	public void testSaturatedSubmitCallable() {
1104	>	final CountDownLatch done = new CountDownLatch(1);
1105	>	final ThreadPoolExecutor p =
1106	>	new ThreadPoolExecutor(1, 1,
1107	>	LONG_DELAY_MS, MILLISECONDS,
1108	>	new ArrayBlockingQueue<Runnable>(1));
1109	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1110	>	Runnable task = new CheckedRunnable() {
1111	>	public void realRun() throws InterruptedException {
1112	>	await(done);
1113	>	}};
1114	>	for (int i = 0; i < 2; ++i)
1115	>	p.submit(Executors.callable(task));
1116	>	for (int i = 0; i < 2; ++i) {
1117	>	try {
1118	>	p.execute(task);
1119	>	shouldThrow();
1120	>	} catch (RejectedExecutionException success) {}
1121	>	assertTrue(p.getTaskCount() <= 2);
1122	>	}
1123		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1124		}
1125
1126	<	// Exception Tests
1127	<
1126	>	/**
1127	>	* executor using CallerRunsPolicy runs task if saturated.
1128	>	*/
1129	>	public void testSaturatedExecute2() {
1130	>	final ThreadPoolExecutor p =
1131	>	new ThreadPoolExecutor(1, 1,
1132	>	LONG_DELAY_MS,
1133	>	MILLISECONDS,
1134	>	new ArrayBlockingQueue<Runnable>(1),
1135	>	new ThreadPoolExecutor.CallerRunsPolicy());
1136	>	try (PoolCleaner cleaner = cleaner(p)) {
1137	>	final CountDownLatch done = new CountDownLatch(1);
1138	>	Runnable blocker = new CheckedRunnable() {
1139	>	public void realRun() throws InterruptedException {
1140	>	await(done);
1141	>	}};
1142	>	p.execute(blocker);
1143	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1144	>	for (int i = 0; i < tasks.length; i++)
1145	>	tasks[i] = new TrackedNoOpRunnable();
1146	>	for (int i = 0; i < tasks.length; i++)
1147	>	p.execute(tasks[i]);
1148	>	for (int i = 1; i < tasks.length; i++)
1149	>	assertTrue(tasks[i].done);
1150	>	assertFalse(tasks[0].done); // waiting in queue
1151	>	done.countDown();
1152	>	}
1153	>	}
1154
1155	<	/** Throws if corePoolSize argument is less than zero */
1156	<	public void testConstructor1() {
1157	<	try{
1158	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1159	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1155	>	/**
1156	>	* executor using DiscardPolicy drops task if saturated.
1157	>	*/
1158	>	public void testSaturatedExecute3() {
1159	>	final CountDownLatch done = new CountDownLatch(1);
1160	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1161	>	for (int i = 0; i < tasks.length; ++i)
1162	>	tasks[i] = new TrackedNoOpRunnable();
1163	>	final ThreadPoolExecutor p =
1164	>	new ThreadPoolExecutor(1, 1,
1165	>	LONG_DELAY_MS, MILLISECONDS,
1166	>	new ArrayBlockingQueue<Runnable>(1),
1167	>	new ThreadPoolExecutor.DiscardPolicy());
1168	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1169	>	p.execute(awaiter(done));
1170	>
1171	>	for (TrackedNoOpRunnable task : tasks)
1172	>	p.execute(task);
1173	>	for (int i = 1; i < tasks.length; i++)
1174	>	assertFalse(tasks[i].done);
1175	>	}
1176	>	for (int i = 1; i < tasks.length; i++)
1177	>	assertFalse(tasks[i].done);
1178	>	assertTrue(tasks[0].done); // was waiting in queue
1179	>	}
1180	>
1181	>	/**
1182	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1183	>	*/
1184	>	public void testSaturatedExecute4() {
1185	>	final CountDownLatch done = new CountDownLatch(1);
1186	>	LatchAwaiter r1 = awaiter(done);
1187	>	LatchAwaiter r2 = awaiter(done);
1188	>	LatchAwaiter r3 = awaiter(done);
1189	>	final ThreadPoolExecutor p =
1190	>	new ThreadPoolExecutor(1, 1,
1191	>	LONG_DELAY_MS, MILLISECONDS,
1192	>	new ArrayBlockingQueue<Runnable>(1),
1193	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1194	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1195	>	assertEquals(LatchAwaiter.NEW, r1.state);
1196	>	assertEquals(LatchAwaiter.NEW, r2.state);
1197	>	assertEquals(LatchAwaiter.NEW, r3.state);
1198	>	p.execute(r1);
1199	>	p.execute(r2);
1200	>	assertTrue(p.getQueue().contains(r2));
1201	>	p.execute(r3);
1202	>	assertFalse(p.getQueue().contains(r2));
1203	>	assertTrue(p.getQueue().contains(r3));
1204	>	}
1205	>	assertEquals(LatchAwaiter.DONE, r1.state);
1206	>	assertEquals(LatchAwaiter.NEW, r2.state);
1207	>	assertEquals(LatchAwaiter.DONE, r3.state);
1208	>	}
1209	>
1210	>	/**
1211	>	* execute throws RejectedExecutionException if shutdown
1212	>	*/
1213	>	public void testRejectedExecutionExceptionOnShutdown() {
1214	>	final ThreadPoolExecutor p =
1215	>	new ThreadPoolExecutor(1, 1,
1216	>	LONG_DELAY_MS, MILLISECONDS,
1217	>	new ArrayBlockingQueue<Runnable>(1));
1218	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1219	>	try (PoolCleaner cleaner = cleaner(p)) {
1220	>	try {
1221	>	p.execute(new NoOpRunnable());
1222	>	shouldThrow();
1223	>	} catch (RejectedExecutionException success) {}
1224		}
242	–	catch (IllegalArgumentException success){}
1225		}
1226	<
1227	<	/** Throws if maximumPoolSize is less than zero */
1228	<	public void testConstructor2() {
1229	<	try{
1230	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1231	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1226	>
1227	>	/**
1228	>	* execute using CallerRunsPolicy drops task on shutdown
1229	>	*/
1230	>	public void testCallerRunsOnShutdown() {
1231	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1232	>	final ThreadPoolExecutor p =
1233	>	new ThreadPoolExecutor(1, 1,
1234	>	LONG_DELAY_MS, MILLISECONDS,
1235	>	new ArrayBlockingQueue<Runnable>(1), h);
1236	>
1237	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1238	>	try (PoolCleaner cleaner = cleaner(p)) {
1239	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1240	>	p.execute(r);
1241	>	assertFalse(r.done);
1242		}
251	–	catch (IllegalArgumentException success){}
1243		}
1244	<
1245	<	/** Throws if maximumPoolSize is equal to zero */
1246	<	public void testConstructor3() {
1247	<	try{
1248	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1249	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1244	>
1245	>	/**
1246	>	* execute using DiscardPolicy drops task on shutdown
1247	>	*/
1248	>	public void testDiscardOnShutdown() {
1249	>	final ThreadPoolExecutor p =
1250	>	new ThreadPoolExecutor(1, 1,
1251	>	LONG_DELAY_MS, MILLISECONDS,
1252	>	new ArrayBlockingQueue<Runnable>(1),
1253	>	new ThreadPoolExecutor.DiscardPolicy());
1254	>
1255	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1256	>	try (PoolCleaner cleaner = cleaner(p)) {
1257	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1258	>	p.execute(r);
1259	>	assertFalse(r.done);
1260		}
260	–	catch (IllegalArgumentException success){}
1261		}
1262
1263	<	/** Throws if keepAliveTime is less than zero */
1264	<	public void testConstructor4() {
1265	<	try{
1266	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1267	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1263	>	/**
1264	>	* execute using DiscardOldestPolicy drops task on shutdown
1265	>	*/
1266	>	public void testDiscardOldestOnShutdown() {
1267	>	final ThreadPoolExecutor p =
1268	>	new ThreadPoolExecutor(1, 1,
1269	>	LONG_DELAY_MS, MILLISECONDS,
1270	>	new ArrayBlockingQueue<Runnable>(1),
1271	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1272	>
1273	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1274	>	try (PoolCleaner cleaner = cleaner(p)) {
1275	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1276	>	p.execute(r);
1277	>	assertFalse(r.done);
1278		}
269	–	catch (IllegalArgumentException success){}
1279		}
1280
1281	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1282	<	public void testConstructor5() {
1283	<	try{
1284	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1285	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1281	>	/**
1282	>	* execute(null) throws NPE
1283	>	*/
1284	>	public void testExecuteNull() {
1285	>	final ThreadPoolExecutor p =
1286	>	new ThreadPoolExecutor(1, 2,
1287	>	1L, SECONDS,
1288	>	new ArrayBlockingQueue<Runnable>(10));
1289	>	try (PoolCleaner cleaner = cleaner(p)) {
1290	>	try {
1291	>	p.execute(null);
1292	>	shouldThrow();
1293	>	} catch (NullPointerException success) {}
1294		}
278	–	catch (IllegalArgumentException success){}
1295		}
1296	<
1297	<	/** Throws if workQueue is set to null */
1298	<	public void testNullPointerException() {
1299	<	try{
1300	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1301	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1296	>
1297	>	/**
1298	>	* setCorePoolSize of negative value throws IllegalArgumentException
1299	>	*/
1300	>	public void testCorePoolSizeIllegalArgumentException() {
1301	>	final ThreadPoolExecutor p =
1302	>	new ThreadPoolExecutor(1, 2,
1303	>	LONG_DELAY_MS, MILLISECONDS,
1304	>	new ArrayBlockingQueue<Runnable>(10));
1305	>	try (PoolCleaner cleaner = cleaner(p)) {
1306	>	try {
1307	>	p.setCorePoolSize(-1);
1308	>	shouldThrow();
1309	>	} catch (IllegalArgumentException success) {}
1310		}
287	–	catch (NullPointerException success){}
1311		}
289	–
1312
1313	<
1314	<	/** Throws if corePoolSize argument is less than zero */
1315	<	public void testConstructor6() {
1316	<	try{
1317	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1318	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1319	<	} catch (IllegalArgumentException success){}
1313	>	/**
1314	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1315	>	* given a value less the core pool size
1316	>	*/
1317	>	public void testMaximumPoolSizeIllegalArgumentException() {
1318	>	final ThreadPoolExecutor p =
1319	>	new ThreadPoolExecutor(2, 3,
1320	>	LONG_DELAY_MS, MILLISECONDS,
1321	>	new ArrayBlockingQueue<Runnable>(10));
1322	>	try (PoolCleaner cleaner = cleaner(p)) {
1323	>	try {
1324	>	p.setMaximumPoolSize(1);
1325	>	shouldThrow();
1326	>	} catch (IllegalArgumentException success) {}
1327	>	}
1328		}
1329	<
1330	<	/** Throws if maximumPoolSize is less than zero */
1331	<	public void testConstructor7() {
1332	<	try{
1333	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1334	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1329	>
1330	>	/**
1331	>	* setMaximumPoolSize throws IllegalArgumentException
1332	>	* if given a negative value
1333	>	*/
1334	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1335	>	final ThreadPoolExecutor p =
1336	>	new ThreadPoolExecutor(2, 3,
1337	>	LONG_DELAY_MS, MILLISECONDS,
1338	>	new ArrayBlockingQueue<Runnable>(10));
1339	>	try (PoolCleaner cleaner = cleaner(p)) {
1340	>	try {
1341	>	p.setMaximumPoolSize(-1);
1342	>	shouldThrow();
1343	>	} catch (IllegalArgumentException success) {}
1344		}
306	–	catch (IllegalArgumentException success){}
1345		}
1346
1347	<	/** Throws if maximumPoolSize is equal to zero */
1348	<	public void testConstructor8() {
1349	<	try{
1350	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1351	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1347	>	/**
1348	>	* Configuration changes that allow core pool size greater than
1349	>	* max pool size result in IllegalArgumentException.
1350	>	*/
1351	>	public void testPoolSizeInvariants() {
1352	>	final ThreadPoolExecutor p =
1353	>	new ThreadPoolExecutor(1, 1,
1354	>	LONG_DELAY_MS, MILLISECONDS,
1355	>	new ArrayBlockingQueue<Runnable>(10));
1356	>	try (PoolCleaner cleaner = cleaner(p)) {
1357	>	for (int s = 1; s < 5; s++) {
1358	>	p.setMaximumPoolSize(s);
1359	>	p.setCorePoolSize(s);
1360	>	try {
1361	>	p.setMaximumPoolSize(s - 1);
1362	>	shouldThrow();
1363	>	} catch (IllegalArgumentException success) {}
1364	>	assertEquals(s, p.getCorePoolSize());
1365	>	assertEquals(s, p.getMaximumPoolSize());
1366	>	try {
1367	>	p.setCorePoolSize(s + 1);
1368	>	shouldThrow();
1369	>	} catch (IllegalArgumentException success) {}
1370	>	assertEquals(s, p.getCorePoolSize());
1371	>	assertEquals(s, p.getMaximumPoolSize());
1372	>	}
1373		}
315	–	catch (IllegalArgumentException success){}
1374		}
1375
1376	<	/** Throws if keepAliveTime is less than zero */
1377	<	public void testConstructor9() {
1378	<	try{
1379	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1380	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1376	>	/**
1377	>	* setKeepAliveTime throws IllegalArgumentException
1378	>	* when given a negative value
1379	>	*/
1380	>	public void testKeepAliveTimeIllegalArgumentException() {
1381	>	final ThreadPoolExecutor p =
1382	>	new ThreadPoolExecutor(2, 3,
1383	>	LONG_DELAY_MS, MILLISECONDS,
1384	>	new ArrayBlockingQueue<Runnable>(10));
1385	>	try (PoolCleaner cleaner = cleaner(p)) {
1386	>	try {
1387	>	p.setKeepAliveTime(-1, MILLISECONDS);
1388	>	shouldThrow();
1389	>	} catch (IllegalArgumentException success) {}
1390		}
324	–	catch (IllegalArgumentException success){}
1391		}
1392
1393	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1394	<	public void testConstructor10() {
1395	<	try{
1396	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1397	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1393	>	/**
1394	>	* terminated() is called on termination
1395	>	*/
1396	>	public void testTerminated() {
1397	>	ExtendedTPE p = new ExtendedTPE();
1398	>	try (PoolCleaner cleaner = cleaner(p)) {
1399	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1400	>	assertTrue(p.terminatedCalled());
1401	>	assertTrue(p.isShutdown());
1402		}
333	–	catch (IllegalArgumentException success){}
1403		}
1404
1405	<	/** Throws if workQueue is set to null */
1406	<	public void testNullPointerException2() {
1407	<	try{
1408	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1409	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1405	>	/**
1406	>	* beforeExecute and afterExecute are called when executing task
1407	>	*/
1408	>	public void testBeforeAfter() throws InterruptedException {
1409	>	ExtendedTPE p = new ExtendedTPE();
1410	>	try (PoolCleaner cleaner = cleaner(p)) {
1411	>	final CountDownLatch done = new CountDownLatch(1);
1412	>	p.execute(new CheckedRunnable() {
1413	>	public void realRun() {
1414	>	done.countDown();
1415	>	}});
1416	>	await(p.afterCalled);
1417	>	assertEquals(0, done.getCount());
1418	>	assertTrue(p.afterCalled());
1419	>	assertTrue(p.beforeCalled());
1420		}
342	–	catch (NullPointerException success){}
1421		}
1422
1423	<	/** Throws if threadFactory is set to null */
1424	<	public void testNullPointerException3() {
1425	<	try{
1426	<	ThreadFactory f = null;
1427	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1428	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1423	>	/**
1424	>	* completed submit of callable returns result
1425	>	*/
1426	>	public void testSubmitCallable() throws Exception {
1427	>	final ExecutorService e =
1428	>	new ThreadPoolExecutor(2, 2,
1429	>	LONG_DELAY_MS, MILLISECONDS,
1430	>	new ArrayBlockingQueue<Runnable>(10));
1431	>	try (PoolCleaner cleaner = cleaner(e)) {
1432	>	Future<String> future = e.submit(new StringTask());
1433	>	String result = future.get();
1434	>	assertSame(TEST_STRING, result);
1435		}
352	–	catch (NullPointerException success){}
1436		}
1437	<
1438	<
1439	<	/** Throws if corePoolSize argument is less than zero */
1440	<	public void testConstructor11() {
1441	<	try{
1442	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1443	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1437	>
1438	>	/**
1439	>	* completed submit of runnable returns successfully
1440	>	*/
1441	>	public void testSubmitRunnable() throws Exception {
1442	>	final ExecutorService e =
1443	>	new ThreadPoolExecutor(2, 2,
1444	>	LONG_DELAY_MS, MILLISECONDS,
1445	>	new ArrayBlockingQueue<Runnable>(10));
1446	>	try (PoolCleaner cleaner = cleaner(e)) {
1447	>	Future<?> future = e.submit(new NoOpRunnable());
1448	>	future.get();
1449	>	assertTrue(future.isDone());
1450		}
362	–	catch (IllegalArgumentException success){}
1451		}
1452
1453	<	/** Throws if maximumPoolSize is less than zero */
1454	<	public void testConstructor12() {
1455	<	try{
1456	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1457	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1453	>	/**
1454	>	* completed submit of (runnable, result) returns result
1455	>	*/
1456	>	public void testSubmitRunnable2() throws Exception {
1457	>	final ExecutorService e =
1458	>	new ThreadPoolExecutor(2, 2,
1459	>	LONG_DELAY_MS, MILLISECONDS,
1460	>	new ArrayBlockingQueue<Runnable>(10));
1461	>	try (PoolCleaner cleaner = cleaner(e)) {
1462	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1463	>	String result = future.get();
1464	>	assertSame(TEST_STRING, result);
1465		}
371	–	catch (IllegalArgumentException success){}
1466		}
1467
1468	<	/** Throws if maximumPoolSize is equal to zero */
1469	<	public void testConstructor13() {
1470	<	try{
1471	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1472	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1468	>	/**
1469	>	* invokeAny(null) throws NPE
1470	>	*/
1471	>	public void testInvokeAny1() throws Exception {
1472	>	final ExecutorService e =
1473	>	new ThreadPoolExecutor(2, 2,
1474	>	LONG_DELAY_MS, MILLISECONDS,
1475	>	new ArrayBlockingQueue<Runnable>(10));
1476	>	try (PoolCleaner cleaner = cleaner(e)) {
1477	>	try {
1478	>	e.invokeAny(null);
1479	>	shouldThrow();
1480	>	} catch (NullPointerException success) {}
1481		}
380	–	catch (IllegalArgumentException success){}
1482		}
1483
1484	<	/** Throws if keepAliveTime is less than zero */
1485	<	public void testConstructor14() {
1486	<	try{
1487	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1488	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1484	>	/**
1485	>	* invokeAny(empty collection) throws IAE
1486	>	*/
1487	>	public void testInvokeAny2() throws Exception {
1488	>	final ExecutorService e =
1489	>	new ThreadPoolExecutor(2, 2,
1490	>	LONG_DELAY_MS, MILLISECONDS,
1491	>	new ArrayBlockingQueue<Runnable>(10));
1492	>	try (PoolCleaner cleaner = cleaner(e)) {
1493	>	try {
1494	>	e.invokeAny(new ArrayList<Callable<String>>());
1495	>	shouldThrow();
1496	>	} catch (IllegalArgumentException success) {}
1497		}
389	–	catch (IllegalArgumentException success){}
1498		}
1499
1500	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1501	<	public void testConstructor15() {
1502	<	try{
1503	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1504	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1500	>	/**
1501	>	* invokeAny(c) throws NPE if c has null elements
1502	>	*/
1503	>	public void testInvokeAny3() throws Exception {
1504	>	final CountDownLatch latch = new CountDownLatch(1);
1505	>	final ExecutorService e =
1506	>	new ThreadPoolExecutor(2, 2,
1507	>	LONG_DELAY_MS, MILLISECONDS,
1508	>	new ArrayBlockingQueue<Runnable>(10));
1509	>	try (PoolCleaner cleaner = cleaner(e)) {
1510	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1511	>	l.add(latchAwaitingStringTask(latch));
1512	>	l.add(null);
1513	>	try {
1514	>	e.invokeAny(l);
1515	>	shouldThrow();
1516	>	} catch (NullPointerException success) {}
1517	>	latch.countDown();
1518		}
398	–	catch (IllegalArgumentException success){}
1519		}
1520
1521	<	/** Throws if workQueue is set to null */
1522	<	public void testNullPointerException4() {
1523	<	try{
1524	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1525	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1521	>	/**
1522	>	* invokeAny(c) throws ExecutionException if no task completes
1523	>	*/
1524	>	public void testInvokeAny4() throws Exception {
1525	>	final ExecutorService e =
1526	>	new ThreadPoolExecutor(2, 2,
1527	>	LONG_DELAY_MS, MILLISECONDS,
1528	>	new ArrayBlockingQueue<Runnable>(10));
1529	>	try (PoolCleaner cleaner = cleaner(e)) {
1530	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1531	>	l.add(new NPETask());
1532	>	try {
1533	>	e.invokeAny(l);
1534	>	shouldThrow();
1535	>	} catch (ExecutionException success) {
1536	>	assertTrue(success.getCause() instanceof NullPointerException);
1537	>	}
1538		}
407	–	catch (NullPointerException success){}
1539		}
1540
1541	<	/** Throws if handler is set to null */
1542	<	public void testNullPointerException5() {
1543	<	try{
1544	<	RejectedExecutionHandler r = null;
1545	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1546	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1541	>	/**
1542	>	* invokeAny(c) returns result of some task
1543	>	*/
1544	>	public void testInvokeAny5() throws Exception {
1545	>	final ExecutorService e =
1546	>	new ThreadPoolExecutor(2, 2,
1547	>	LONG_DELAY_MS, MILLISECONDS,
1548	>	new ArrayBlockingQueue<Runnable>(10));
1549	>	try (PoolCleaner cleaner = cleaner(e)) {
1550	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1551	>	l.add(new StringTask());
1552	>	l.add(new StringTask());
1553	>	String result = e.invokeAny(l);
1554	>	assertSame(TEST_STRING, result);
1555		}
417	–	catch (NullPointerException success){}
1556		}
1557
1558	<
1559	<	/** Throws if corePoolSize argument is less than zero */
1560	<	public void testConstructor16() {
1561	<	try{
1562	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1563	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1558	>	/**
1559	>	* invokeAll(null) throws NPE
1560	>	*/
1561	>	public void testInvokeAll1() throws Exception {
1562	>	final ExecutorService e =
1563	>	new ThreadPoolExecutor(2, 2,
1564	>	LONG_DELAY_MS, MILLISECONDS,
1565	>	new ArrayBlockingQueue<Runnable>(10));
1566	>	try (PoolCleaner cleaner = cleaner(e)) {
1567	>	try {
1568	>	e.invokeAll(null);
1569	>	shouldThrow();
1570	>	} catch (NullPointerException success) {}
1571		}
427	–	catch (IllegalArgumentException success){}
1572		}
1573
1574	<	/** Throws if maximumPoolSize is less than zero */
1575	<	public void testConstructor17() {
1576	<	try{
1577	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1578	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1574	>	/**
1575	>	* invokeAll(empty collection) returns empty collection
1576	>	*/
1577	>	public void testInvokeAll2() throws InterruptedException {
1578	>	final ExecutorService e =
1579	>	new ThreadPoolExecutor(2, 2,
1580	>	LONG_DELAY_MS, MILLISECONDS,
1581	>	new ArrayBlockingQueue<Runnable>(10));
1582	>	try (PoolCleaner cleaner = cleaner(e)) {
1583	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1584	>	assertTrue(r.isEmpty());
1585		}
436	–	catch (IllegalArgumentException success){}
1586		}
1587
1588	<	/** Throws if maximumPoolSize is equal to zero */
1589	<	public void testConstructor18() {
1590	<	try{
1591	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1592	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1588	>	/**
1589	>	* invokeAll(c) throws NPE if c has null elements
1590	>	*/
1591	>	public void testInvokeAll3() throws Exception {
1592	>	final ExecutorService e =
1593	>	new ThreadPoolExecutor(2, 2,
1594	>	LONG_DELAY_MS, MILLISECONDS,
1595	>	new ArrayBlockingQueue<Runnable>(10));
1596	>	try (PoolCleaner cleaner = cleaner(e)) {
1597	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1598	>	l.add(new StringTask());
1599	>	l.add(null);
1600	>	try {
1601	>	e.invokeAll(l);
1602	>	shouldThrow();
1603	>	} catch (NullPointerException success) {}
1604		}
445	–	catch (IllegalArgumentException success){}
1605		}
1606
1607	<	/** Throws if keepAliveTime is less than zero */
1608	<	public void testConstructor19() {
1609	<	try{
1610	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1611	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1607	>	/**
1608	>	* get of element of invokeAll(c) throws exception on failed task
1609	>	*/
1610	>	public void testInvokeAll4() throws Exception {
1611	>	final ExecutorService e =
1612	>	new ThreadPoolExecutor(2, 2,
1613	>	LONG_DELAY_MS, MILLISECONDS,
1614	>	new ArrayBlockingQueue<Runnable>(10));
1615	>	try (PoolCleaner cleaner = cleaner(e)) {
1616	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1617	>	l.add(new NPETask());
1618	>	List<Future<String>> futures = e.invokeAll(l);
1619	>	assertEquals(1, futures.size());
1620	>	try {
1621	>	futures.get(0).get();
1622	>	shouldThrow();
1623	>	} catch (ExecutionException success) {
1624	>	assertTrue(success.getCause() instanceof NullPointerException);
1625	>	}
1626		}
454	–	catch (IllegalArgumentException success){}
1627		}
1628
1629	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1630	<	public void testConstructor20() {
1631	<	try{
1632	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1633	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1634	<	}
1635	<	catch (IllegalArgumentException success){}
1636	<	}
1637	<
1638	<	/** Throws if workQueue is set to null */
1639	<	public void testNullPointerException6() {
1640	<	try{
1641	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1642	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1643	<	}
1644	<	catch (NullPointerException success){}
1645	<	}
1646	<
1647	<	/** Throws if handler is set to null */
1648	<	public void testNullPointerException7() {
1649	<	try{
1650	<	RejectedExecutionHandler r = null;
1651	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1652	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1653	<	}
1654	<	catch (NullPointerException success){}
1655	<	}
1656	<
1657	<	/** Throws if ThreadFactory is set top null */
1658	<	public void testNullPointerException8() {
1659	<	try{
1660	<	ThreadFactory f = null;
1661	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1662	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1663	<	}
1664	<	catch (NullPointerException successdn8){}
1665	<	}
1666	<
1667	<
1668	<	/**
1669	<	*   execute will throw RejectedExcutionException
1670	<	*  ThreadPoolExecutor will throw one when more runnables are
1671	<	*  executed then will fit in the Queue.
1672	<	*/
1673	<	public void testRejectedExecutionException(){
1674	<	ThreadPoolExecutor tpe = null;
1675	<	try{
1676	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1677	<	} catch(Exception e){}
1678	<	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();
1629	>	/**
1630	>	* invokeAll(c) returns results of all completed tasks
1631	>	*/
1632	>	public void testInvokeAll5() throws Exception {
1633	>	final ExecutorService e =
1634	>	new ThreadPoolExecutor(2, 2,
1635	>	LONG_DELAY_MS, MILLISECONDS,
1636	>	new ArrayBlockingQueue<Runnable>(10));
1637	>	try (PoolCleaner cleaner = cleaner(e)) {
1638	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1639	>	l.add(new StringTask());
1640	>	l.add(new StringTask());
1641	>	List<Future<String>> futures = e.invokeAll(l);
1642	>	assertEquals(2, futures.size());
1643	>	for (Future<String> future : futures)
1644	>	assertSame(TEST_STRING, future.get());
1645	>	}
1646	>	}
1647	>
1648	>	/**
1649	>	* timed invokeAny(null) throws NPE
1650	>	*/
1651	>	public void testTimedInvokeAny1() throws Exception {
1652	>	final ExecutorService e =
1653	>	new ThreadPoolExecutor(2, 2,
1654	>	LONG_DELAY_MS, MILLISECONDS,
1655	>	new ArrayBlockingQueue<Runnable>(10));
1656	>	try (PoolCleaner cleaner = cleaner(e)) {
1657	>	try {
1658	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1659	>	shouldThrow();
1660	>	} catch (NullPointerException success) {}
1661	>	}
1662	>	}
1663	>
1664	>	/**
1665	>	* timed invokeAny(,,null) throws NPE
1666	>	*/
1667	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1668	>	final ExecutorService e =
1669	>	new ThreadPoolExecutor(2, 2,
1670	>	LONG_DELAY_MS, MILLISECONDS,
1671	>	new ArrayBlockingQueue<Runnable>(10));
1672	>	try (PoolCleaner cleaner = cleaner(e)) {
1673	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1674	>	l.add(new StringTask());
1675	>	try {
1676	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1677	>	shouldThrow();
1678	>	} catch (NullPointerException success) {}
1679		}
591	–	joinPool(tpe);
1680		}
1681	<
1681	>
1682	>	/**
1683	>	* timed invokeAny(empty collection) throws IAE
1684	>	*/
1685	>	public void testTimedInvokeAny2() throws Exception {
1686	>	final ExecutorService e =
1687	>	new ThreadPoolExecutor(2, 2,
1688	>	LONG_DELAY_MS, MILLISECONDS,
1689	>	new ArrayBlockingQueue<Runnable>(10));
1690	>	try (PoolCleaner cleaner = cleaner(e)) {
1691	>	try {
1692	>	e.invokeAny(new ArrayList<Callable<String>>(),
1693	>	MEDIUM_DELAY_MS, MILLISECONDS);
1694	>	shouldThrow();
1695	>	} catch (IllegalArgumentException success) {}
1696	>	}
1697	>	}
1698	>
1699	>	/**
1700	>	* timed invokeAny(c) throws NPE if c has null elements
1701	>	*/
1702	>	public void testTimedInvokeAny3() throws Exception {
1703	>	final CountDownLatch latch = new CountDownLatch(1);
1704	>	final ExecutorService e =
1705	>	new ThreadPoolExecutor(2, 2,
1706	>	LONG_DELAY_MS, MILLISECONDS,
1707	>	new ArrayBlockingQueue<Runnable>(10));
1708	>	try (PoolCleaner cleaner = cleaner(e)) {
1709	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1710	>	l.add(latchAwaitingStringTask(latch));
1711	>	l.add(null);
1712	>	try {
1713	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1714	>	shouldThrow();
1715	>	} catch (NullPointerException success) {}
1716	>	latch.countDown();
1717	>	}
1718	>	}
1719	>
1720	>	/**
1721	>	* timed invokeAny(c) throws ExecutionException if no task completes
1722	>	*/
1723	>	public void testTimedInvokeAny4() throws Exception {
1724	>	final ExecutorService e =
1725	>	new ThreadPoolExecutor(2, 2,
1726	>	LONG_DELAY_MS, MILLISECONDS,
1727	>	new ArrayBlockingQueue<Runnable>(10));
1728	>	try (PoolCleaner cleaner = cleaner(e)) {
1729	>	long startTime = System.nanoTime();
1730	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1731	>	l.add(new NPETask());
1732	>	try {
1733	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1734	>	shouldThrow();
1735	>	} catch (ExecutionException success) {
1736	>	assertTrue(success.getCause() instanceof NullPointerException);
1737	>	}
1738	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1739	>	}
1740	>	}
1741	>
1742	>	/**
1743	>	* timed invokeAny(c) returns result of some task
1744	>	*/
1745	>	public void testTimedInvokeAny5() throws Exception {
1746	>	final ExecutorService e =
1747	>	new ThreadPoolExecutor(2, 2,
1748	>	LONG_DELAY_MS, MILLISECONDS,
1749	>	new ArrayBlockingQueue<Runnable>(10));
1750	>	try (PoolCleaner cleaner = cleaner(e)) {
1751	>	long startTime = System.nanoTime();
1752	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1753	>	l.add(new StringTask());
1754	>	l.add(new StringTask());
1755	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1756	>	assertSame(TEST_STRING, result);
1757	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1758	>	}
1759	>	}
1760	>
1761	>	/**
1762	>	* timed invokeAll(null) throws NPE
1763	>	*/
1764	>	public void testTimedInvokeAll1() throws Exception {
1765	>	final ExecutorService e =
1766	>	new ThreadPoolExecutor(2, 2,
1767	>	LONG_DELAY_MS, MILLISECONDS,
1768	>	new ArrayBlockingQueue<Runnable>(10));
1769	>	try (PoolCleaner cleaner = cleaner(e)) {
1770	>	try {
1771	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1772	>	shouldThrow();
1773	>	} catch (NullPointerException success) {}
1774	>	}
1775	>	}
1776	>
1777	>	/**
1778	>	* timed invokeAll(,,null) throws NPE
1779	>	*/
1780	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1781	>	final ExecutorService e =
1782	>	new ThreadPoolExecutor(2, 2,
1783	>	LONG_DELAY_MS, MILLISECONDS,
1784	>	new ArrayBlockingQueue<Runnable>(10));
1785	>	try (PoolCleaner cleaner = cleaner(e)) {
1786	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1787	>	l.add(new StringTask());
1788	>	try {
1789	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1790	>	shouldThrow();
1791	>	} catch (NullPointerException success) {}
1792	>	}
1793	>	}
1794	>
1795	>	/**
1796	>	* timed invokeAll(empty collection) returns empty collection
1797	>	*/
1798	>	public void testTimedInvokeAll2() throws InterruptedException {
1799	>	final ExecutorService e =
1800	>	new ThreadPoolExecutor(2, 2,
1801	>	LONG_DELAY_MS, MILLISECONDS,
1802	>	new ArrayBlockingQueue<Runnable>(10));
1803	>	try (PoolCleaner cleaner = cleaner(e)) {
1804	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1805	>	MEDIUM_DELAY_MS, MILLISECONDS);
1806	>	assertTrue(r.isEmpty());
1807	>	}
1808	>	}
1809	>
1810	>	/**
1811	>	* timed invokeAll(c) throws NPE if c has null elements
1812	>	*/
1813	>	public void testTimedInvokeAll3() throws Exception {
1814	>	final ExecutorService e =
1815	>	new ThreadPoolExecutor(2, 2,
1816	>	LONG_DELAY_MS, MILLISECONDS,
1817	>	new ArrayBlockingQueue<Runnable>(10));
1818	>	try (PoolCleaner cleaner = cleaner(e)) {
1819	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1820	>	l.add(new StringTask());
1821	>	l.add(null);
1822	>	try {
1823	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1824	>	shouldThrow();
1825	>	} catch (NullPointerException success) {}
1826	>	}
1827	>	}
1828	>
1829	>	/**
1830	>	* get of element of invokeAll(c) throws exception on failed task
1831	>	*/
1832	>	public void testTimedInvokeAll4() throws Exception {
1833	>	final ExecutorService e =
1834	>	new ThreadPoolExecutor(2, 2,
1835	>	LONG_DELAY_MS, MILLISECONDS,
1836	>	new ArrayBlockingQueue<Runnable>(10));
1837	>	try (PoolCleaner cleaner = cleaner(e)) {
1838	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1839	>	l.add(new NPETask());
1840	>	List<Future<String>> futures =
1841	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1842	>	assertEquals(1, futures.size());
1843	>	try {
1844	>	futures.get(0).get();
1845	>	shouldThrow();
1846	>	} catch (ExecutionException success) {
1847	>	assertTrue(success.getCause() instanceof NullPointerException);
1848	>	}
1849	>	}
1850	>	}
1851	>
1852	>	/**
1853	>	* timed invokeAll(c) returns results of all completed tasks
1854	>	*/
1855	>	public void testTimedInvokeAll5() throws Exception {
1856	>	final ExecutorService e =
1857	>	new ThreadPoolExecutor(2, 2,
1858	>	LONG_DELAY_MS, MILLISECONDS,
1859	>	new ArrayBlockingQueue<Runnable>(10));
1860	>	try (PoolCleaner cleaner = cleaner(e)) {
1861	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1862	>	l.add(new StringTask());
1863	>	l.add(new StringTask());
1864	>	List<Future<String>> futures =
1865	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1866	>	assertEquals(2, futures.size());
1867	>	for (Future<String> future : futures)
1868	>	assertSame(TEST_STRING, future.get());
1869	>	}
1870	>	}
1871	>
1872	>	/**
1873	>	* timed invokeAll(c) cancels tasks not completed by timeout
1874	>	*/
1875	>	public void testTimedInvokeAll6() throws Exception {
1876	>	for (long timeout = timeoutMillis();;) {
1877	>	final CountDownLatch done = new CountDownLatch(1);
1878	>	final Callable<String> waiter = new CheckedCallable<String>() {
1879	>	public String realCall() {
1880	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1881	>	catch (InterruptedException ok) {}
1882	>	return "1"; }};
1883	>	final ExecutorService p =
1884	>	new ThreadPoolExecutor(2, 2,
1885	>	LONG_DELAY_MS, MILLISECONDS,
1886	>	new ArrayBlockingQueue<Runnable>(10));
1887	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1888	>	List<Callable<String>> tasks = new ArrayList<>();
1889	>	tasks.add(new StringTask("0"));
1890	>	tasks.add(waiter);
1891	>	tasks.add(new StringTask("2"));
1892	>	long startTime = System.nanoTime();
1893	>	List<Future<String>> futures =
1894	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1895	>	assertEquals(tasks.size(), futures.size());
1896	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1897	>	for (Future future : futures)
1898	>	assertTrue(future.isDone());
1899	>	assertTrue(futures.get(1).isCancelled());
1900	>	try {
1901	>	assertEquals("0", futures.get(0).get());
1902	>	assertEquals("2", futures.get(2).get());
1903	>	break;
1904	>	} catch (CancellationException retryWithLongerTimeout) {
1905	>	timeout *= 2;
1906	>	if (timeout >= LONG_DELAY_MS / 2)
1907	>	fail("expected exactly one task to be cancelled");
1908	>	}
1909	>	}
1910	>	}
1911	>	}
1912	>
1913	>	/**
1914	>	* Execution continues if there is at least one thread even if
1915	>	* thread factory fails to create more
1916	>	*/
1917	>	public void testFailingThreadFactory() throws InterruptedException {
1918	>	final ExecutorService e =
1919	>	new ThreadPoolExecutor(100, 100,
1920	>	LONG_DELAY_MS, MILLISECONDS,
1921	>	new LinkedBlockingQueue<Runnable>(),
1922	>	new FailingThreadFactory());
1923	>	try (PoolCleaner cleaner = cleaner(e)) {
1924	>	final int TASKS = 100;
1925	>	final CountDownLatch done = new CountDownLatch(TASKS);
1926	>	for (int k = 0; k < TASKS; ++k)
1927	>	e.execute(new CheckedRunnable() {
1928	>	public void realRun() {
1929	>	done.countDown();
1930	>	}});
1931	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1932	>	}
1933	>	}
1934	>
1935	>	/**
1936	>	* allowsCoreThreadTimeOut is by default false.
1937	>	*/
1938	>	public void testAllowsCoreThreadTimeOut() {
1939	>	final ThreadPoolExecutor p =
1940	>	new ThreadPoolExecutor(2, 2,
1941	>	1000, MILLISECONDS,
1942	>	new ArrayBlockingQueue<Runnable>(10));
1943	>	try (PoolCleaner cleaner = cleaner(p)) {
1944	>	assertFalse(p.allowsCoreThreadTimeOut());
1945	>	}
1946	>	}
1947	>
1948	>	/**
1949	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1950	>	*/
1951	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1952	>	long keepAliveTime = timeoutMillis();
1953	>	final ThreadPoolExecutor p =
1954	>	new ThreadPoolExecutor(2, 10,
1955	>	keepAliveTime, MILLISECONDS,
1956	>	new ArrayBlockingQueue<Runnable>(10));
1957	>	try (PoolCleaner cleaner = cleaner(p)) {
1958	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1959	>	p.allowCoreThreadTimeOut(true);
1960	>	p.execute(new CheckedRunnable() {
1961	>	public void realRun() {
1962	>	threadStarted.countDown();
1963	>	assertEquals(1, p.getPoolSize());
1964	>	}});
1965	>	await(threadStarted);
1966	>	delay(keepAliveTime);
1967	>	long startTime = System.nanoTime();
1968	>	while (p.getPoolSize() > 0
1969	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1970	>	Thread.yield();
1971	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1972	>	assertEquals(0, p.getPoolSize());
1973	>	}
1974	>	}
1975	>
1976	>	/**
1977	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1978	>	*/
1979	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1980	>	long keepAliveTime = timeoutMillis();
1981	>	final ThreadPoolExecutor p =
1982	>	new ThreadPoolExecutor(2, 10,
1983	>	keepAliveTime, MILLISECONDS,
1984	>	new ArrayBlockingQueue<Runnable>(10));
1985	>	try (PoolCleaner cleaner = cleaner(p)) {
1986	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1987	>	p.allowCoreThreadTimeOut(false);
1988	>	p.execute(new CheckedRunnable() {
1989	>	public void realRun() throws InterruptedException {
1990	>	threadStarted.countDown();
1991	>	assertTrue(p.getPoolSize() >= 1);
1992	>	}});
1993	>	delay(2 * keepAliveTime);
1994	>	assertTrue(p.getPoolSize() >= 1);
1995	>	}
1996	>	}
1997	>
1998	>	/**
1999	>	* execute allows the same task to be submitted multiple times, even
2000	>	* if rejected
2001	>	*/
2002	>	public void testRejectedRecycledTask() throws InterruptedException {
2003	>	final int nTasks = 1000;
2004	>	final CountDownLatch done = new CountDownLatch(nTasks);
2005	>	final Runnable recycledTask = new Runnable() {
2006	>	public void run() {
2007	>	done.countDown();
2008	>	}};
2009	>	final ThreadPoolExecutor p =
2010	>	new ThreadPoolExecutor(1, 30,
2011	>	60, SECONDS,
2012	>	new ArrayBlockingQueue(30));
2013	>	try (PoolCleaner cleaner = cleaner(p)) {
2014	>	for (int i = 0; i < nTasks; ++i) {
2015	>	for (;;) {
2016	>	try {
2017	>	p.execute(recycledTask);
2018	>	break;
2019	>	}
2020	>	catch (RejectedExecutionException ignore) {}
2021	>	}
2022	>	}
2023	>	// enough time to run all tasks
2024	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2025	>	}
2026	>	}
2027	>
2028	>	/**
2029	>	* get(cancelled task) throws CancellationException
2030	>	*/
2031	>	public void testGet_cancelled() throws Exception {
2032	>	final CountDownLatch done = new CountDownLatch(1);
2033	>	final ExecutorService e =
2034	>	new ThreadPoolExecutor(1, 1,
2035	>	LONG_DELAY_MS, MILLISECONDS,
2036	>	new LinkedBlockingQueue<Runnable>());
2037	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2038	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2039	>	final List<Future<?>> futures = new ArrayList<>();
2040	>	for (int i = 0; i < 2; i++) {
2041	>	Runnable r = new CheckedRunnable() { public void realRun()
2042	>	throws Throwable {
2043	>	blockerStarted.countDown();
2044	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2045	>	}};
2046	>	futures.add(e.submit(r));
2047	>	}
2048	>	await(blockerStarted);
2049	>	for (Future<?> future : futures) future.cancel(false);
2050	>	for (Future<?> future : futures) {
2051	>	try {
2052	>	future.get();
2053	>	shouldThrow();
2054	>	} catch (CancellationException success) {}
2055	>	try {
2056	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2057	>	shouldThrow();
2058	>	} catch (CancellationException success) {}
2059	>	assertTrue(future.isCancelled());
2060	>	assertTrue(future.isDone());
2061	>	}
2062	>	}
2063	>	}
2064	>
2065		}

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