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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 1.100 by jsr166, Mon Oct 5 21:42:49 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97	>	}
98	>
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122		}
123
124		/**
125	<	* For use as RejectedExecutionHandler in constructors
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127	<	static class MyREHandler implements RejectedExecutionHandler{
128	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148		}
149	<
149	>
150		/**
151	<	*   execute successfully executes a runnable
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153	<	public void testExecute(){
154	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	try {
156	<	one.execute(new Runnable(){
157	<	public void run(){
158	<	try{
159	<	Thread.sleep(SHORT_DELAY_MS);
160	<	} catch(InterruptedException e){
161	<	fail("unexpected exception");
162	<	}
163	<	}
164	<	});
165	<	Thread.sleep(SMALL_DELAY_MS);
166	<	} catch(InterruptedException e){
167	<	fail("unexpected exception");
168	<	}
169	<	joinPool(one);
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170	>	}
171	>
172	>	/**
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175	>	*/
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204	>	}
205	>
206	>	/**
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208	>	*/
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217	>	}
218	>
219	>	/**
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221	>	*/
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230	>	}
231	>
232	>	/**
233	>	* getThreadFactory returns factory in constructor if not set
234	>	*/
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246	>	}
247	>
248	>	/**
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250	>	*/
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261	>	}
262	>
263	>	/**
264	>	* setThreadFactory(null) throws NPE
265	>	*/
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276	>	}
277	>	}
278	>
279	>	/**
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281	>	*/
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292	>	}
293	>
294	>	/**
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297	>	*/
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308	>	}
309	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324	>	}
325	>
326	>	/**
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}
353	>
354	>	/**
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final int TASKS = 3;
402	>	final CountDownLatch done = new CountDownLatch(1);
403	>	final ThreadPoolExecutor p =
404	>	new ThreadPoolExecutor(1, 1,
405	>	LONG_DELAY_MS, MILLISECONDS,
406	>	new ArrayBlockingQueue<Runnable>(10));
407	>	try (PoolCleaner cleaner = cleaner(p, done)) {
408	>	final CountDownLatch threadStarted = new CountDownLatch(1);
409	>	assertEquals(0, p.getTaskCount());
410	>	assertEquals(0, p.getCompletedTaskCount());
411	>	p.execute(new CheckedRunnable() {
412	>	public void realRun() throws InterruptedException {
413	>	threadStarted.countDown();
414	>	done.await();
415	>	}});
416	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
417	>	assertEquals(1, p.getTaskCount());
418	>	assertEquals(0, p.getCompletedTaskCount());
419	>	for (int i = 0; i < TASKS; i++) {
420	>	assertEquals(1 + i, p.getTaskCount());
421	>	p.execute(new CheckedRunnable() {
422	>	public void realRun() throws InterruptedException {
423	>	threadStarted.countDown();
424	>	assertEquals(1 + TASKS, p.getTaskCount());
425	>	done.await();
426	>	}});
427	>	}
428	>	assertEquals(1 + TASKS, p.getTaskCount());
429	>	assertEquals(0, p.getCompletedTaskCount());
430	>	}
431	>	assertEquals(1 + TASKS, p.getTaskCount());
432	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
433	>	}
434	>
435	>	/**
436	>	* isShutdown is false before shutdown, true after
437	>	*/
438	>	public void testIsShutdown() {
439	>	final ThreadPoolExecutor p =
440	>	new ThreadPoolExecutor(1, 1,
441	>	LONG_DELAY_MS, MILLISECONDS,
442	>	new ArrayBlockingQueue<Runnable>(10));
443	>	try (PoolCleaner cleaner = cleaner(p)) {
444	>	assertFalse(p.isShutdown());
445	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
446	>	assertTrue(p.isShutdown());
447	>	}
448	>	}
449	>
450	>	/**
451	>	* awaitTermination on a non-shutdown pool times out
452	>	*/
453	>	public void testAwaitTermination_timesOut() throws InterruptedException {
454	>	final ThreadPoolExecutor p =
455	>	new ThreadPoolExecutor(1, 1,
456	>	LONG_DELAY_MS, MILLISECONDS,
457	>	new ArrayBlockingQueue<Runnable>(10));
458	>	try (PoolCleaner cleaner = cleaner(p)) {
459	>	assertFalse(p.isTerminated());
460	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
461	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
462	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
463	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
464	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
465	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
466	>	long timeoutNanos = 999999L;
467	>	long startTime = System.nanoTime();
468	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
469	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
470	>	assertFalse(p.isTerminated());
471	>	startTime = System.nanoTime();
472	>	long timeoutMillis = timeoutMillis();
473	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
474	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
475	>	assertFalse(p.isTerminated());
476	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
477	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
478	>	assertTrue(p.isTerminated());
479	>	}
480	>	}
481	>
482	>	/**
483	>	* isTerminated is false before termination, true after
484	>	*/
485	>	public void testIsTerminated() throws InterruptedException {
486	>	final ThreadPoolExecutor p =
487	>	new ThreadPoolExecutor(1, 1,
488	>	LONG_DELAY_MS, MILLISECONDS,
489	>	new ArrayBlockingQueue<Runnable>(10));
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	final CountDownLatch threadStarted = new CountDownLatch(1);
492	>	final CountDownLatch done = new CountDownLatch(1);
493	>	assertFalse(p.isTerminating());
494	>	p.execute(new CheckedRunnable() {
495	>	public void realRun() throws InterruptedException {
496	>	assertFalse(p.isTerminating());
497	>	threadStarted.countDown();
498	>	done.await();
499	>	}});
500	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
501	>	assertFalse(p.isTerminating());
502	>	done.countDown();
503	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
504	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
505	>	assertTrue(p.isTerminated());
506	>	assertFalse(p.isTerminating());
507	>	}
508	>	}
509	>
510	>	/**
511	>	* isTerminating is not true when running or when terminated
512	>	*/
513	>	public void testIsTerminating() throws InterruptedException {
514	>	final ThreadPoolExecutor p =
515	>	new ThreadPoolExecutor(1, 1,
516	>	LONG_DELAY_MS, MILLISECONDS,
517	>	new ArrayBlockingQueue<Runnable>(10));
518	>	try (PoolCleaner cleaner = cleaner(p)) {
519	>	final CountDownLatch threadStarted = new CountDownLatch(1);
520	>	final CountDownLatch done = new CountDownLatch(1);
521	>	assertFalse(p.isTerminating());
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminating());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534	>	assertFalse(p.isTerminating());
535	>	}
536	>	}
537	>
538	>	/**
539	>	* getQueue returns the work queue, which contains queued tasks
540	>	*/
541	>	public void testGetQueue() throws InterruptedException {
542	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
543	>	final ThreadPoolExecutor p =
544	>	new ThreadPoolExecutor(1, 1,
545	>	LONG_DELAY_MS, MILLISECONDS,
546	>	q);
547	>	try (PoolCleaner cleaner = cleaner(p)) {
548	>	final CountDownLatch threadStarted = new CountDownLatch(1);
549	>	final CountDownLatch done = new CountDownLatch(1);
550	>	FutureTask[] tasks = new FutureTask[5];
551	>	for (int i = 0; i < tasks.length; i++) {
552	>	Callable task = new CheckedCallable<Boolean>() {
553	>	public Boolean realCall() throws InterruptedException {
554	>	threadStarted.countDown();
555	>	assertSame(q, p.getQueue());
556	>	done.await();
557	>	return Boolean.TRUE;
558	>	}};
559	>	tasks[i] = new FutureTask(task);
560	>	p.execute(tasks[i]);
561	>	}
562	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
563	>	assertSame(q, p.getQueue());
564	>	assertFalse(q.contains(tasks[0]));
565	>	assertTrue(q.contains(tasks[tasks.length - 1]));
566	>	assertEquals(tasks.length - 1, q.size());
567	>	done.countDown();
568	>	}
569		}
570
571		/**
572	<	*   getActiveCount gives correct values
572	>	* remove(task) removes queued task, and fails to remove active task
573		*/
574	<	public void testGetActiveCount(){
575	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
576	<	assertEquals(0, two.getActiveCount());
577	<	two.execute(new MediumRunnable());
578	<	try{
579	<	Thread.sleep(SHORT_DELAY_MS);
580	<	} catch(Exception e){
581	<	fail("unexpected exception");
574	>	public void testRemove() throws InterruptedException {
575	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
576	>	final ThreadPoolExecutor p =
577	>	new ThreadPoolExecutor(1, 1,
578	>	LONG_DELAY_MS, MILLISECONDS,
579	>	q);
580	>	try (PoolCleaner cleaner = cleaner(p)) {
581	>	Runnable[] tasks = new Runnable[6];
582	>	final CountDownLatch threadStarted = new CountDownLatch(1);
583	>	final CountDownLatch done = new CountDownLatch(1);
584	>	for (int i = 0; i < tasks.length; i++) {
585	>	tasks[i] = new CheckedRunnable() {
586	>	public void realRun() throws InterruptedException {
587	>	threadStarted.countDown();
588	>	done.await();
589	>	}};
590	>	p.execute(tasks[i]);
591	>	}
592	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
593	>	assertFalse(p.remove(tasks[0]));
594	>	assertTrue(q.contains(tasks[4]));
595	>	assertTrue(q.contains(tasks[3]));
596	>	assertTrue(p.remove(tasks[4]));
597	>	assertFalse(p.remove(tasks[4]));
598	>	assertFalse(q.contains(tasks[4]));
599	>	assertTrue(q.contains(tasks[3]));
600	>	assertTrue(p.remove(tasks[3]));
601	>	assertFalse(q.contains(tasks[3]));
602	>	done.countDown();
603		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
604		}
605	<
605	>
606		/**
607	<	*   getCompleteTaskCount gives correct values
607	>	* purge removes cancelled tasks from the queue
608		*/
609	<	public void testGetCompletedTaskCount(){
610	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
611	<	assertEquals(0, two.getCompletedTaskCount());
612	<	two.execute(new ShortRunnable());
613	<	try{
614	<	Thread.sleep(MEDIUM_DELAY_MS);
615	<	} catch(Exception e){
616	<	fail("unexpected exception");
609	>	public void testPurge() throws InterruptedException {
610	>	final CountDownLatch threadStarted = new CountDownLatch(1);
611	>	final CountDownLatch done = new CountDownLatch(1);
612	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
613	>	final ThreadPoolExecutor p =
614	>	new ThreadPoolExecutor(1, 1,
615	>	LONG_DELAY_MS, MILLISECONDS,
616	>	q);
617	>	try (PoolCleaner cleaner = cleaner(p)) {
618	>	FutureTask[] tasks = new FutureTask[5];
619	>	for (int i = 0; i < tasks.length; i++) {
620	>	Callable task = new CheckedCallable<Boolean>() {
621	>	public Boolean realCall() throws InterruptedException {
622	>	threadStarted.countDown();
623	>	done.await();
624	>	return Boolean.TRUE;
625	>	}};
626	>	tasks[i] = new FutureTask(task);
627	>	p.execute(tasks[i]);
628	>	}
629	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
630	>	assertEquals(tasks.length, p.getTaskCount());
631	>	assertEquals(tasks.length - 1, q.size());
632	>	assertEquals(1L, p.getActiveCount());
633	>	assertEquals(0L, p.getCompletedTaskCount());
634	>	tasks[4].cancel(true);
635	>	tasks[3].cancel(false);
636	>	p.purge();
637	>	assertEquals(tasks.length - 3, q.size());
638	>	assertEquals(tasks.length - 2, p.getTaskCount());
639	>	p.purge();         // Nothing to do
640	>	assertEquals(tasks.length - 3, q.size());
641	>	assertEquals(tasks.length - 2, p.getTaskCount());
642	>	done.countDown();
643		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
644		}
645	<
645	>
646	>	/**
647	>	* shutdownNow returns a list containing tasks that were not run,
648	>	* and those tasks are drained from the queue
649	>	*/
650	>	public void testShutdownNow() throws InterruptedException {
651	>	final int poolSize = 2;
652	>	final int count = 5;
653	>	final AtomicInteger ran = new AtomicInteger(0);
654	>	final ThreadPoolExecutor p =
655	>	new ThreadPoolExecutor(poolSize, poolSize,
656	>	LONG_DELAY_MS, MILLISECONDS,
657	>	new ArrayBlockingQueue<Runnable>(10));
658	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
659	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
660	>	threadsStarted.countDown();
661	>	try {
662	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
663	>	} catch (InterruptedException success) {}
664	>	ran.getAndIncrement();
665	>	}};
666	>	for (int i = 0; i < count; i++)
667	>	p.execute(waiter);
668	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
669	>	assertEquals(poolSize, p.getActiveCount());
670	>	assertEquals(0, p.getCompletedTaskCount());
671	>	final List<Runnable> queuedTasks;
672	>	try {
673	>	queuedTasks = p.shutdownNow();
674	>	} catch (SecurityException ok) {
675	>	return; // Allowed in case test doesn't have privs
676	>	}
677	>	assertTrue(p.isShutdown());
678	>	assertTrue(p.getQueue().isEmpty());
679	>	assertEquals(count - poolSize, queuedTasks.size());
680	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
681	>	assertTrue(p.isTerminated());
682	>	assertEquals(poolSize, ran.get());
683	>	assertEquals(poolSize, p.getCompletedTaskCount());
684	>	}
685	>
686	>	// Exception Tests
687	>
688	>	/**
689	>	* Constructor throws if corePoolSize argument is less than zero
690	>	*/
691	>	public void testConstructor1() {
692	>	try {
693	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
694	>	new ArrayBlockingQueue<Runnable>(10));
695	>	shouldThrow();
696	>	} catch (IllegalArgumentException success) {}
697	>	}
698	>
699	>	/**
700	>	* Constructor throws if maximumPoolSize is less than zero
701	>	*/
702	>	public void testConstructor2() {
703	>	try {
704	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
705	>	new ArrayBlockingQueue<Runnable>(10));
706	>	shouldThrow();
707	>	} catch (IllegalArgumentException success) {}
708	>	}
709	>
710	>	/**
711	>	* Constructor throws if maximumPoolSize is equal to zero
712	>	*/
713	>	public void testConstructor3() {
714	>	try {
715	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
716	>	new ArrayBlockingQueue<Runnable>(10));
717	>	shouldThrow();
718	>	} catch (IllegalArgumentException success) {}
719	>	}
720	>
721	>	/**
722	>	* Constructor throws if keepAliveTime is less than zero
723	>	*/
724	>	public void testConstructor4() {
725	>	try {
726	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
727	>	new ArrayBlockingQueue<Runnable>(10));
728	>	shouldThrow();
729	>	} catch (IllegalArgumentException success) {}
730	>	}
731	>
732	>	/**
733	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
734	>	*/
735	>	public void testConstructor5() {
736	>	try {
737	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
738	>	new ArrayBlockingQueue<Runnable>(10));
739	>	shouldThrow();
740	>	} catch (IllegalArgumentException success) {}
741	>	}
742	>
743	>	/**
744	>	* Constructor throws if workQueue is set to null
745	>	*/
746	>	public void testConstructorNullPointerException() {
747	>	try {
748	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
749	>	(BlockingQueue) null);
750	>	shouldThrow();
751	>	} catch (NullPointerException success) {}
752	>	}
753	>
754	>	/**
755	>	* Constructor throws if corePoolSize argument is less than zero
756	>	*/
757	>	public void testConstructor6() {
758	>	try {
759	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
760	>	new ArrayBlockingQueue<Runnable>(10),
761	>	new SimpleThreadFactory());
762	>	shouldThrow();
763	>	} catch (IllegalArgumentException success) {}
764	>	}
765	>
766	>	/**
767	>	* Constructor throws if maximumPoolSize is less than zero
768	>	*/
769	>	public void testConstructor7() {
770	>	try {
771	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
772	>	new ArrayBlockingQueue<Runnable>(10),
773	>	new SimpleThreadFactory());
774	>	shouldThrow();
775	>	} catch (IllegalArgumentException success) {}
776	>	}
777	>
778		/**
779	<	*   getCorePoolSize gives correct values
779	>	* Constructor throws if maximumPoolSize is equal to zero
780		*/
781	<	public void testGetCorePoolSize(){
782	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
783	<	assertEquals(1, one.getCorePoolSize());
784	<	joinPool(one);
781	>	public void testConstructor8() {
782	>	try {
783	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
784	>	new ArrayBlockingQueue<Runnable>(10),
785	>	new SimpleThreadFactory());
786	>	shouldThrow();
787	>	} catch (IllegalArgumentException success) {}
788		}
789	<
789	>
790		/**
791	<	*   getKeepAliveTime gives correct values
791	>	* Constructor throws if keepAliveTime is less than zero
792		*/
793	<	public void testGetKeepAliveTime(){
794	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
795	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
796	<	joinPool(two);
793	>	public void testConstructor9() {
794	>	try {
795	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
796	>	new ArrayBlockingQueue<Runnable>(10),
797	>	new SimpleThreadFactory());
798	>	shouldThrow();
799	>	} catch (IllegalArgumentException success) {}
800		}
801	<
801	>
802		/**
803	<	*   getLargestPoolSize gives correct values
803	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
804		*/
805	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
805	>	public void testConstructor10() {
806		try {
807	<	assertEquals(0, two.getLargestPoolSize());
808	<	two.execute(new MediumRunnable());
809	<	two.execute(new MediumRunnable());
810	<	Thread.sleep(SHORT_DELAY_MS);
811	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
807	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new SimpleThreadFactory());
810	>	shouldThrow();
811	>	} catch (IllegalArgumentException success) {}
812		}
813	<
813	>
814		/**
815	<	*   getMaximumPoolSize gives correct values
815	>	* Constructor throws if workQueue is set to null
816		*/
817	<	public void testGetMaximumPoolSize(){
818	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
819	<	assertEquals(2, two.getMaximumPoolSize());
820	<	joinPool(two);
817	>	public void testConstructorNullPointerException2() {
818	>	try {
819	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
820	>	(BlockingQueue) null,
821	>	new SimpleThreadFactory());
822	>	shouldThrow();
823	>	} catch (NullPointerException success) {}
824		}
825	<
825	>
826		/**
827	<	*   getPoolSize gives correct values
827	>	* Constructor throws if threadFactory is set to null
828		*/
829	<	public void testGetPoolSize(){
830	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
831	<	assertEquals(0, one.getPoolSize());
832	<	one.execute(new MediumRunnable());
833	<	assertEquals(1, one.getPoolSize());
834	<	joinPool(one);
829	>	public void testConstructorNullPointerException3() {
830	>	try {
831	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
832	>	new ArrayBlockingQueue<Runnable>(10),
833	>	(ThreadFactory) null);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {}
836	>	}
837	>
838	>	/**
839	>	* Constructor throws if corePoolSize argument is less than zero
840	>	*/
841	>	public void testConstructor11() {
842	>	try {
843	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
844	>	new ArrayBlockingQueue<Runnable>(10),
845	>	new NoOpREHandler());
846	>	shouldThrow();
847	>	} catch (IllegalArgumentException success) {}
848		}
849	<
849	>
850		/**
851	<	*   getTaskCount gives correct values
851	>	* Constructor throws if maximumPoolSize is less than zero
852		*/
853	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
853	>	public void testConstructor12() {
854		try {
855	<	assertEquals(0, one.getTaskCount());
856	<	for(int i = 0; i < 5; i++)
857	<	one.execute(new MediumRunnable());
858	<	Thread.sleep(SHORT_DELAY_MS);
859	<	assertEquals(5, one.getTaskCount());
157	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
855	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
856	>	new ArrayBlockingQueue<Runnable>(10),
857	>	new NoOpREHandler());
858	>	shouldThrow();
859	>	} catch (IllegalArgumentException success) {}
860		}
861	<
861	>
862		/**
863	<	*   isShutDown gives correct values
863	>	* Constructor throws if maximumPoolSize is equal to zero
864		*/
865	<	public void testIsShutdown(){
866	<
867	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
868	<	assertFalse(one.isShutdown());
869	<	one.shutdown();
870	<	assertTrue(one.isShutdown());
871	<	joinPool(one);
865	>	public void testConstructor13() {
866	>	try {
867	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
868	>	new ArrayBlockingQueue<Runnable>(10),
869	>	new NoOpREHandler());
870	>	shouldThrow();
871	>	} catch (IllegalArgumentException success) {}
872		}
873
175	–
874		/**
875	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
875	>	* Constructor throws if keepAliveTime is less than zero
876		*/
877	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
877	>	public void testConstructor14() {
878		try {
879	<	one.execute(new MediumRunnable());
880	<	} finally {
881	<	one.shutdown();
879	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
880	>	new ArrayBlockingQueue<Runnable>(10),
881	>	new NoOpREHandler());
882	>	shouldThrow();
883	>	} catch (IllegalArgumentException success) {}
884	>	}
885	>
886	>	/**
887	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
888	>	*/
889	>	public void testConstructor15() {
890	>	try {
891	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
892	>	new ArrayBlockingQueue<Runnable>(10),
893	>	new NoOpREHandler());
894	>	shouldThrow();
895	>	} catch (IllegalArgumentException success) {}
896	>	}
897	>
898	>	/**
899	>	* Constructor throws if workQueue is set to null
900	>	*/
901	>	public void testConstructorNullPointerException4() {
902	>	try {
903	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
904	>	(BlockingQueue) null,
905	>	new NoOpREHandler());
906	>	shouldThrow();
907	>	} catch (NullPointerException success) {}
908	>	}
909	>
910	>	/**
911	>	* Constructor throws if handler is set to null
912	>	*/
913	>	public void testConstructorNullPointerException5() {
914	>	try {
915	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
916	>	new ArrayBlockingQueue<Runnable>(10),
917	>	(RejectedExecutionHandler) null);
918	>	shouldThrow();
919	>	} catch (NullPointerException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if corePoolSize argument is less than zero
924	>	*/
925	>	public void testConstructor16() {
926	>	try {
927	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
928	>	new ArrayBlockingQueue<Runnable>(10),
929	>	new SimpleThreadFactory(),
930	>	new NoOpREHandler());
931	>	shouldThrow();
932	>	} catch (IllegalArgumentException success) {}
933	>	}
934	>
935	>	/**
936	>	* Constructor throws if maximumPoolSize is less than zero
937	>	*/
938	>	public void testConstructor17() {
939	>	try {
940	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
941	>	new ArrayBlockingQueue<Runnable>(10),
942	>	new SimpleThreadFactory(),
943	>	new NoOpREHandler());
944	>	shouldThrow();
945	>	} catch (IllegalArgumentException success) {}
946	>	}
947	>
948	>	/**
949	>	* Constructor throws if maximumPoolSize is equal to zero
950	>	*/
951	>	public void testConstructor18() {
952	>	try {
953	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
954	>	new ArrayBlockingQueue<Runnable>(10),
955	>	new SimpleThreadFactory(),
956	>	new NoOpREHandler());
957	>	shouldThrow();
958	>	} catch (IllegalArgumentException success) {}
959	>	}
960	>
961	>	/**
962	>	* Constructor throws if keepAliveTime is less than zero
963	>	*/
964	>	public void testConstructor19() {
965	>	try {
966	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
967	>	new ArrayBlockingQueue<Runnable>(10),
968	>	new SimpleThreadFactory(),
969	>	new NoOpREHandler());
970	>	shouldThrow();
971	>	} catch (IllegalArgumentException success) {}
972	>	}
973	>
974	>	/**
975	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
976	>	*/
977	>	public void testConstructor20() {
978	>	try {
979	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
980	>	new ArrayBlockingQueue<Runnable>(10),
981	>	new SimpleThreadFactory(),
982	>	new NoOpREHandler());
983	>	shouldThrow();
984	>	} catch (IllegalArgumentException success) {}
985	>	}
986	>
987	>	/**
988	>	* Constructor throws if workQueue is null
989	>	*/
990	>	public void testConstructorNullPointerException6() {
991	>	try {
992	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
993	>	(BlockingQueue) null,
994	>	new SimpleThreadFactory(),
995	>	new NoOpREHandler());
996	>	shouldThrow();
997	>	} catch (NullPointerException success) {}
998	>	}
999	>
1000	>	/**
1001	>	* Constructor throws if handler is null
1002	>	*/
1003	>	public void testConstructorNullPointerException7() {
1004	>	try {
1005	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1006	>	new ArrayBlockingQueue<Runnable>(10),
1007	>	new SimpleThreadFactory(),
1008	>	(RejectedExecutionHandler) null);
1009	>	shouldThrow();
1010	>	} catch (NullPointerException success) {}
1011	>	}
1012	>
1013	>	/**
1014	>	* Constructor throws if ThreadFactory is null
1015	>	*/
1016	>	public void testConstructorNullPointerException8() {
1017	>	try {
1018	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10),
1020	>	(ThreadFactory) null,
1021	>	new NoOpREHandler());
1022	>	shouldThrow();
1023	>	} catch (NullPointerException success) {}
1024	>	}
1025	>
1026	>	/**
1027	>	* get of submitted callable throws InterruptedException if interrupted
1028	>	*/
1029	>	public void testInterruptedSubmit() throws InterruptedException {
1030	>	final ThreadPoolExecutor p =
1031	>	new ThreadPoolExecutor(1, 1,
1032	>	60, SECONDS,
1033	>	new ArrayBlockingQueue<Runnable>(10));
1034	>
1035	>	try (PoolCleaner cleaner = cleaner(p)) {
1036	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1037	>	final CountDownLatch done = new CountDownLatch(1);
1038	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1039	>	public void realRun() throws Exception {
1040	>	Callable task = new CheckedCallable<Boolean>() {
1041	>	public Boolean realCall() throws InterruptedException {
1042	>	threadStarted.countDown();
1043	>	done.await();
1044	>	return Boolean.TRUE;
1045	>	}};
1046	>	p.submit(task).get();
1047	>	}});
1048	>
1049	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1050	>	t.interrupt();
1051	>	awaitTermination(t, MEDIUM_DELAY_MS);
1052	>	done.countDown();
1053		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1054		}
1055
1056		/**
1057	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1057	>	* execute throws RejectedExecutionException if saturated.
1058		*/
1059	<	public void testPurge(){
1060	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1061	<	CancellableTask[] tasks = new CancellableTask[5];
1062	<	for(int i = 0; i < 5; i++){
1063	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1064	<	one.execute(tasks[i]);
1059	>	public void testSaturatedExecute() {
1060	>	final ThreadPoolExecutor p =
1061	>	new ThreadPoolExecutor(1, 1,
1062	>	LONG_DELAY_MS, MILLISECONDS,
1063	>	new ArrayBlockingQueue<Runnable>(1));
1064	>	try (PoolCleaner cleaner = cleaner(p)) {
1065	>	final CountDownLatch done = new CountDownLatch(1);
1066	>	Runnable task = new CheckedRunnable() {
1067	>	public void realRun() throws InterruptedException {
1068	>	done.await();
1069	>	}};
1070	>	for (int i = 0; i < 2; ++i)
1071	>	p.execute(task);
1072	>	for (int i = 0; i < 2; ++i) {
1073	>	try {
1074	>	p.execute(task);
1075	>	shouldThrow();
1076	>	} catch (RejectedExecutionException success) {}
1077	>	assertTrue(p.getTaskCount() <= 2);
1078	>	}
1079	>	done.countDown();
1080		}
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);
1081		}
1082
1083		/**
1084	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1084	>	* submit(runnable) throws RejectedExecutionException if saturated.
1085		*/
1086	<	public void testShutDownNow(){
1087	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1088	<	List l;
1089	<	try {
1090	<	for(int i = 0; i < 5; i++)
1091	<	one.execute(new MediumPossiblyInterruptedRunnable());
1086	>	public void testSaturatedSubmitRunnable() {
1087	>	final ThreadPoolExecutor p =
1088	>	new ThreadPoolExecutor(1, 1,
1089	>	LONG_DELAY_MS, MILLISECONDS,
1090	>	new ArrayBlockingQueue<Runnable>(1));
1091	>	try (PoolCleaner cleaner = cleaner(p)) {
1092	>	final CountDownLatch done = new CountDownLatch(1);
1093	>	Runnable task = new CheckedRunnable() {
1094	>	public void realRun() throws InterruptedException {
1095	>	done.await();
1096	>	}};
1097	>	for (int i = 0; i < 2; ++i)
1098	>	p.submit(task);
1099	>	for (int i = 0; i < 2; ++i) {
1100	>	try {
1101	>	p.execute(task);
1102	>	shouldThrow();
1103	>	} catch (RejectedExecutionException success) {}
1104	>	assertTrue(p.getTaskCount() <= 2);
1105	>	}
1106	>	done.countDown();
1107		}
1108	<	finally {
1109	<	l = one.shutdownNow();
1108	>	}
1109	>
1110	>	/**
1111	>	* submit(callable) throws RejectedExecutionException if saturated.
1112	>	*/
1113	>	public void testSaturatedSubmitCallable() {
1114	>	final ThreadPoolExecutor p =
1115	>	new ThreadPoolExecutor(1, 1,
1116	>	LONG_DELAY_MS, MILLISECONDS,
1117	>	new ArrayBlockingQueue<Runnable>(1));
1118	>	try (PoolCleaner cleaner = cleaner(p)) {
1119	>	final CountDownLatch done = new CountDownLatch(1);
1120	>	Runnable task = new CheckedRunnable() {
1121	>	public void realRun() throws InterruptedException {
1122	>	done.await();
1123	>	}};
1124	>	for (int i = 0; i < 2; ++i)
1125	>	p.submit(Executors.callable(task));
1126	>	for (int i = 0; i < 2; ++i) {
1127	>	try {
1128	>	p.execute(task);
1129	>	shouldThrow();
1130	>	} catch (RejectedExecutionException success) {}
1131	>	assertTrue(p.getTaskCount() <= 2);
1132	>	}
1133	>	done.countDown();
1134		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1135		}
1136
1137	<	// Exception Tests
1138	<
1137	>	/**
1138	>	* executor using CallerRunsPolicy runs task if saturated.
1139	>	*/
1140	>	public void testSaturatedExecute2() {
1141	>	final ThreadPoolExecutor p =
1142	>	new ThreadPoolExecutor(1, 1,
1143	>	LONG_DELAY_MS,
1144	>	MILLISECONDS,
1145	>	new ArrayBlockingQueue<Runnable>(1),
1146	>	new ThreadPoolExecutor.CallerRunsPolicy());
1147	>	try (PoolCleaner cleaner = cleaner(p)) {
1148	>	final CountDownLatch done = new CountDownLatch(1);
1149	>	Runnable blocker = new CheckedRunnable() {
1150	>	public void realRun() throws InterruptedException {
1151	>	done.await();
1152	>	}};
1153	>	p.execute(blocker);
1154	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1155	>	for (int i = 0; i < tasks.length; i++)
1156	>	tasks[i] = new TrackedNoOpRunnable();
1157	>	for (int i = 0; i < tasks.length; i++)
1158	>	p.execute(tasks[i]);
1159	>	for (int i = 1; i < tasks.length; i++)
1160	>	assertTrue(tasks[i].done);
1161	>	assertFalse(tasks[0].done); // waiting in queue
1162	>	done.countDown();
1163	>	}
1164	>	}
1165
1166	<	/** Throws if corePoolSize argument is less than zero */
1167	<	public void testConstructor1() {
1168	<	try{
1169	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1170	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1166	>	/**
1167	>	* executor using DiscardPolicy drops task if saturated.
1168	>	*/
1169	>	public void testSaturatedExecute3() {
1170	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1171	>	for (int i = 0; i < tasks.length; ++i)
1172	>	tasks[i] = new TrackedNoOpRunnable();
1173	>	final ThreadPoolExecutor p =
1174	>	new ThreadPoolExecutor(1, 1,
1175	>	LONG_DELAY_MS, MILLISECONDS,
1176	>	new ArrayBlockingQueue<Runnable>(1),
1177	>	new ThreadPoolExecutor.DiscardPolicy());
1178	>	try (PoolCleaner cleaner = cleaner(p)) {
1179	>	final CountDownLatch done = new CountDownLatch(1);
1180	>	p.execute(awaiter(done));
1181	>
1182	>	for (TrackedNoOpRunnable task : tasks)
1183	>	p.execute(task);
1184	>	for (int i = 1; i < tasks.length; i++)
1185	>	assertFalse(tasks[i].done);
1186	>	done.countDown();
1187	>	}
1188	>	for (int i = 1; i < tasks.length; i++)
1189	>	assertFalse(tasks[i].done);
1190	>	assertTrue(tasks[0].done); // was waiting in queue
1191	>	}
1192	>
1193	>	/**
1194	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1195	>	*/
1196	>	public void testSaturatedExecute4() {
1197	>	final CountDownLatch done = new CountDownLatch(1);
1198	>	LatchAwaiter r1 = awaiter(done);
1199	>	LatchAwaiter r2 = awaiter(done);
1200	>	LatchAwaiter r3 = awaiter(done);
1201	>	final ThreadPoolExecutor p =
1202	>	new ThreadPoolExecutor(1, 1,
1203	>	LONG_DELAY_MS, MILLISECONDS,
1204	>	new ArrayBlockingQueue<Runnable>(1),
1205	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1206	>	try (PoolCleaner cleaner = cleaner(p)) {
1207	>	assertEquals(LatchAwaiter.NEW, r1.state);
1208	>	assertEquals(LatchAwaiter.NEW, r2.state);
1209	>	assertEquals(LatchAwaiter.NEW, r3.state);
1210	>	p.execute(r1);
1211	>	p.execute(r2);
1212	>	assertTrue(p.getQueue().contains(r2));
1213	>	p.execute(r3);
1214	>	assertFalse(p.getQueue().contains(r2));
1215	>	assertTrue(p.getQueue().contains(r3));
1216	>	done.countDown();
1217	>	}
1218	>	assertEquals(LatchAwaiter.DONE, r1.state);
1219	>	assertEquals(LatchAwaiter.NEW, r2.state);
1220	>	assertEquals(LatchAwaiter.DONE, r3.state);
1221	>	}
1222	>
1223	>	/**
1224	>	* execute throws RejectedExecutionException if shutdown
1225	>	*/
1226	>	public void testRejectedExecutionExceptionOnShutdown() {
1227	>	final ThreadPoolExecutor p =
1228	>	new ThreadPoolExecutor(1, 1,
1229	>	LONG_DELAY_MS, MILLISECONDS,
1230	>	new ArrayBlockingQueue<Runnable>(1));
1231	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1232	>	try (PoolCleaner cleaner = cleaner(p)) {
1233	>	try {
1234	>	p.execute(new NoOpRunnable());
1235	>	shouldThrow();
1236	>	} catch (RejectedExecutionException success) {}
1237		}
242	–	catch (IllegalArgumentException success){}
1238		}
1239	<
1240	<	/** Throws if maximumPoolSize is less than zero */
1241	<	public void testConstructor2() {
1242	<	try{
1243	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1244	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1239	>
1240	>	/**
1241	>	* execute using CallerRunsPolicy drops task on shutdown
1242	>	*/
1243	>	public void testCallerRunsOnShutdown() {
1244	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1245	>	final ThreadPoolExecutor p =
1246	>	new ThreadPoolExecutor(1, 1,
1247	>	LONG_DELAY_MS, MILLISECONDS,
1248	>	new ArrayBlockingQueue<Runnable>(1), h);
1249	>
1250	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1251	>	try (PoolCleaner cleaner = cleaner(p)) {
1252	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1253	>	p.execute(r);
1254	>	assertFalse(r.done);
1255		}
251	–	catch (IllegalArgumentException success){}
1256		}
1257	<
1258	<	/** Throws if maximumPoolSize is equal to zero */
1259	<	public void testConstructor3() {
1260	<	try{
1261	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1262	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1257	>
1258	>	/**
1259	>	* execute using DiscardPolicy drops task on shutdown
1260	>	*/
1261	>	public void testDiscardOnShutdown() {
1262	>	final ThreadPoolExecutor p =
1263	>	new ThreadPoolExecutor(1, 1,
1264	>	LONG_DELAY_MS, MILLISECONDS,
1265	>	new ArrayBlockingQueue<Runnable>(1),
1266	>	new ThreadPoolExecutor.DiscardPolicy());
1267	>
1268	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1269	>	try (PoolCleaner cleaner = cleaner(p)) {
1270	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271	>	p.execute(r);
1272	>	assertFalse(r.done);
1273		}
260	–	catch (IllegalArgumentException success){}
1274		}
1275
1276	<	/** Throws if keepAliveTime is less than zero */
1277	<	public void testConstructor4() {
1278	<	try{
1279	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1280	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1276	>	/**
1277	>	* execute using DiscardOldestPolicy drops task on shutdown
1278	>	*/
1279	>	public void testDiscardOldestOnShutdown() {
1280	>	final ThreadPoolExecutor p =
1281	>	new ThreadPoolExecutor(1, 1,
1282	>	LONG_DELAY_MS, MILLISECONDS,
1283	>	new ArrayBlockingQueue<Runnable>(1),
1284	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1285	>
1286	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1287	>	try (PoolCleaner cleaner = cleaner(p)) {
1288	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1289	>	p.execute(r);
1290	>	assertFalse(r.done);
1291		}
269	–	catch (IllegalArgumentException success){}
1292		}
1293
1294	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1295	<	public void testConstructor5() {
1296	<	try{
1297	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1298	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1294	>	/**
1295	>	* execute(null) throws NPE
1296	>	*/
1297	>	public void testExecuteNull() {
1298	>	final ThreadPoolExecutor p =
1299	>	new ThreadPoolExecutor(1, 2,
1300	>	1L, SECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302	>	try (PoolCleaner cleaner = cleaner(p)) {
1303	>	try {
1304	>	p.execute(null);
1305	>	shouldThrow();
1306	>	} catch (NullPointerException success) {}
1307		}
278	–	catch (IllegalArgumentException success){}
1308		}
1309	<
1310	<	/** Throws if workQueue is set to null */
1311	<	public void testNullPointerException() {
1312	<	try{
1313	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1314	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1309	>
1310	>	/**
1311	>	* setCorePoolSize of negative value throws IllegalArgumentException
1312	>	*/
1313	>	public void testCorePoolSizeIllegalArgumentException() {
1314	>	final ThreadPoolExecutor p =
1315	>	new ThreadPoolExecutor(1, 2,
1316	>	LONG_DELAY_MS, MILLISECONDS,
1317	>	new ArrayBlockingQueue<Runnable>(10));
1318	>	try (PoolCleaner cleaner = cleaner(p)) {
1319	>	try {
1320	>	p.setCorePoolSize(-1);
1321	>	shouldThrow();
1322	>	} catch (IllegalArgumentException success) {}
1323		}
287	–	catch (NullPointerException success){}
1324		}
289	–
1325
1326	<
1327	<	/** Throws if corePoolSize argument is less than zero */
1328	<	public void testConstructor6() {
1329	<	try{
1330	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1331	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1332	<	} catch (IllegalArgumentException success){}
1326	>	/**
1327	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1328	>	* given a value less the core pool size
1329	>	*/
1330	>	public void testMaximumPoolSizeIllegalArgumentException() {
1331	>	final ThreadPoolExecutor p =
1332	>	new ThreadPoolExecutor(2, 3,
1333	>	LONG_DELAY_MS, MILLISECONDS,
1334	>	new ArrayBlockingQueue<Runnable>(10));
1335	>	try (PoolCleaner cleaner = cleaner(p)) {
1336	>	try {
1337	>	p.setMaximumPoolSize(1);
1338	>	shouldThrow();
1339	>	} catch (IllegalArgumentException success) {}
1340	>	}
1341		}
1342	<
1343	<	/** Throws if maximumPoolSize is less than zero */
1344	<	public void testConstructor7() {
1345	<	try{
1346	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1347	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1342	>
1343	>	/**
1344	>	* setMaximumPoolSize throws IllegalArgumentException
1345	>	* if given a negative value
1346	>	*/
1347	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1348	>	final ThreadPoolExecutor p =
1349	>	new ThreadPoolExecutor(2, 3,
1350	>	LONG_DELAY_MS, MILLISECONDS,
1351	>	new ArrayBlockingQueue<Runnable>(10));
1352	>	try (PoolCleaner cleaner = cleaner(p)) {
1353	>	try {
1354	>	p.setMaximumPoolSize(-1);
1355	>	shouldThrow();
1356	>	} catch (IllegalArgumentException success) {}
1357		}
306	–	catch (IllegalArgumentException success){}
1358		}
1359
1360	<	/** Throws if maximumPoolSize is equal to zero */
1361	<	public void testConstructor8() {
1362	<	try{
1363	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1364	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1360	>	/**
1361	>	* Configuration changes that allow core pool size greater than
1362	>	* max pool size result in IllegalArgumentException.
1363	>	*/
1364	>	public void testPoolSizeInvariants() {
1365	>	final ThreadPoolExecutor p =
1366	>	new ThreadPoolExecutor(1, 1,
1367	>	LONG_DELAY_MS, MILLISECONDS,
1368	>	new ArrayBlockingQueue<Runnable>(10));
1369	>	try (PoolCleaner cleaner = cleaner(p)) {
1370	>	for (int s = 1; s < 5; s++) {
1371	>	p.setMaximumPoolSize(s);
1372	>	p.setCorePoolSize(s);
1373	>	try {
1374	>	p.setMaximumPoolSize(s - 1);
1375	>	shouldThrow();
1376	>	} catch (IllegalArgumentException success) {}
1377	>	assertEquals(s, p.getCorePoolSize());
1378	>	assertEquals(s, p.getMaximumPoolSize());
1379	>	try {
1380	>	p.setCorePoolSize(s + 1);
1381	>	shouldThrow();
1382	>	} catch (IllegalArgumentException success) {}
1383	>	assertEquals(s, p.getCorePoolSize());
1384	>	assertEquals(s, p.getMaximumPoolSize());
1385	>	}
1386		}
315	–	catch (IllegalArgumentException success){}
1387		}
1388
1389	<	/** Throws if keepAliveTime is less than zero */
1390	<	public void testConstructor9() {
1391	<	try{
1392	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1393	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1389	>	/**
1390	>	* setKeepAliveTime throws IllegalArgumentException
1391	>	* when given a negative value
1392	>	*/
1393	>	public void testKeepAliveTimeIllegalArgumentException() {
1394	>	final ThreadPoolExecutor p =
1395	>	new ThreadPoolExecutor(2, 3,
1396	>	LONG_DELAY_MS, MILLISECONDS,
1397	>	new ArrayBlockingQueue<Runnable>(10));
1398	>	try (PoolCleaner cleaner = cleaner(p)) {
1399	>	try {
1400	>	p.setKeepAliveTime(-1, MILLISECONDS);
1401	>	shouldThrow();
1402	>	} catch (IllegalArgumentException success) {}
1403		}
324	–	catch (IllegalArgumentException success){}
1404		}
1405
1406	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1407	<	public void testConstructor10() {
1408	<	try{
1409	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1410	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1406	>	/**
1407	>	* terminated() is called on termination
1408	>	*/
1409	>	public void testTerminated() {
1410	>	ExtendedTPE p = new ExtendedTPE();
1411	>	try (PoolCleaner cleaner = cleaner(p)) {
1412	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1413	>	assertTrue(p.terminatedCalled());
1414	>	assertTrue(p.isShutdown());
1415		}
333	–	catch (IllegalArgumentException success){}
1416		}
1417
1418	<	/** Throws if workQueue is set to null */
1419	<	public void testNullPointerException2() {
1420	<	try{
1421	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1422	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1418	>	/**
1419	>	* beforeExecute and afterExecute are called when executing task
1420	>	*/
1421	>	public void testBeforeAfter() throws InterruptedException {
1422	>	ExtendedTPE p = new ExtendedTPE();
1423	>	try (PoolCleaner cleaner = cleaner(p)) {
1424	>	final CountDownLatch done = new CountDownLatch(1);
1425	>	p.execute(new CheckedRunnable() {
1426	>	public void realRun() {
1427	>	done.countDown();
1428	>	}});
1429	>	await(p.afterCalled);
1430	>	assertEquals(0, done.getCount());
1431	>	assertTrue(p.afterCalled());
1432	>	assertTrue(p.beforeCalled());
1433		}
342	–	catch (NullPointerException success){}
1434		}
1435
1436	<	/** Throws if threadFactory is set to null */
1437	<	public void testNullPointerException3() {
1438	<	try{
1439	<	ThreadFactory f = null;
1440	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1441	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1436	>	/**
1437	>	* completed submit of callable returns result
1438	>	*/
1439	>	public void testSubmitCallable() throws Exception {
1440	>	final ExecutorService e =
1441	>	new ThreadPoolExecutor(2, 2,
1442	>	LONG_DELAY_MS, MILLISECONDS,
1443	>	new ArrayBlockingQueue<Runnable>(10));
1444	>	try (PoolCleaner cleaner = cleaner(e)) {
1445	>	Future<String> future = e.submit(new StringTask());
1446	>	String result = future.get();
1447	>	assertSame(TEST_STRING, result);
1448		}
352	–	catch (NullPointerException success){}
1449		}
1450	<
1451	<
1452	<	/** Throws if corePoolSize argument is less than zero */
1453	<	public void testConstructor11() {
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");
1450	>
1451	>	/**
1452	>	* completed submit of runnable returns successfully
1453	>	*/
1454	>	public void testSubmitRunnable() throws Exception {
1455	>	final ExecutorService e =
1456	>	new ThreadPoolExecutor(2, 2,
1457	>	LONG_DELAY_MS, MILLISECONDS,
1458	>	new ArrayBlockingQueue<Runnable>(10));
1459	>	try (PoolCleaner cleaner = cleaner(e)) {
1460	>	Future<?> future = e.submit(new NoOpRunnable());
1461	>	future.get();
1462	>	assertTrue(future.isDone());
1463		}
362	–	catch (IllegalArgumentException success){}
1464		}
1465
1466	<	/** Throws if maximumPoolSize is less than zero */
1467	<	public void testConstructor12() {
1468	<	try{
1469	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1470	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1466	>	/**
1467	>	* completed submit of (runnable, result) returns result
1468	>	*/
1469	>	public void testSubmitRunnable2() throws Exception {
1470	>	final ExecutorService e =
1471	>	new ThreadPoolExecutor(2, 2,
1472	>	LONG_DELAY_MS, MILLISECONDS,
1473	>	new ArrayBlockingQueue<Runnable>(10));
1474	>	try (PoolCleaner cleaner = cleaner(e)) {
1475	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1476	>	String result = future.get();
1477	>	assertSame(TEST_STRING, result);
1478		}
371	–	catch (IllegalArgumentException success){}
1479		}
1480
1481	<	/** Throws if maximumPoolSize is equal to zero */
1482	<	public void testConstructor13() {
1483	<	try{
1484	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1485	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1481	>	/**
1482	>	* invokeAny(null) throws NPE
1483	>	*/
1484	>	public void testInvokeAny1() throws Exception {
1485	>	final ExecutorService e =
1486	>	new ThreadPoolExecutor(2, 2,
1487	>	LONG_DELAY_MS, MILLISECONDS,
1488	>	new ArrayBlockingQueue<Runnable>(10));
1489	>	try (PoolCleaner cleaner = cleaner(e)) {
1490	>	try {
1491	>	e.invokeAny(null);
1492	>	shouldThrow();
1493	>	} catch (NullPointerException success) {}
1494		}
380	–	catch (IllegalArgumentException success){}
1495		}
1496
1497	<	/** Throws if keepAliveTime is less than zero */
1498	<	public void testConstructor14() {
1499	<	try{
1500	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1501	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1497	>	/**
1498	>	* invokeAny(empty collection) throws IAE
1499	>	*/
1500	>	public void testInvokeAny2() throws Exception {
1501	>	final ExecutorService e =
1502	>	new ThreadPoolExecutor(2, 2,
1503	>	LONG_DELAY_MS, MILLISECONDS,
1504	>	new ArrayBlockingQueue<Runnable>(10));
1505	>	try (PoolCleaner cleaner = cleaner(e)) {
1506	>	try {
1507	>	e.invokeAny(new ArrayList<Callable<String>>());
1508	>	shouldThrow();
1509	>	} catch (IllegalArgumentException success) {}
1510		}
389	–	catch (IllegalArgumentException success){}
1511		}
1512
1513	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1514	<	public void testConstructor15() {
1515	<	try{
1516	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1517	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1513	>	/**
1514	>	* invokeAny(c) throws NPE if c has null elements
1515	>	*/
1516	>	public void testInvokeAny3() throws Exception {
1517	>	final CountDownLatch latch = new CountDownLatch(1);
1518	>	final ExecutorService e =
1519	>	new ThreadPoolExecutor(2, 2,
1520	>	LONG_DELAY_MS, MILLISECONDS,
1521	>	new ArrayBlockingQueue<Runnable>(10));
1522	>	try (PoolCleaner cleaner = cleaner(e)) {
1523	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1524	>	l.add(latchAwaitingStringTask(latch));
1525	>	l.add(null);
1526	>	try {
1527	>	e.invokeAny(l);
1528	>	shouldThrow();
1529	>	} catch (NullPointerException success) {}
1530	>	latch.countDown();
1531		}
398	–	catch (IllegalArgumentException success){}
1532		}
1533
1534	<	/** Throws if workQueue is set to null */
1535	<	public void testNullPointerException4() {
1536	<	try{
1537	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1538	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1534	>	/**
1535	>	* invokeAny(c) throws ExecutionException if no task completes
1536	>	*/
1537	>	public void testInvokeAny4() throws Exception {
1538	>	final ExecutorService e =
1539	>	new ThreadPoolExecutor(2, 2,
1540	>	LONG_DELAY_MS, MILLISECONDS,
1541	>	new ArrayBlockingQueue<Runnable>(10));
1542	>	try (PoolCleaner cleaner = cleaner(e)) {
1543	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1544	>	l.add(new NPETask());
1545	>	try {
1546	>	e.invokeAny(l);
1547	>	shouldThrow();
1548	>	} catch (ExecutionException success) {
1549	>	assertTrue(success.getCause() instanceof NullPointerException);
1550	>	}
1551		}
407	–	catch (NullPointerException success){}
1552		}
1553
1554	<	/** Throws if handler is set to null */
1555	<	public void testNullPointerException5() {
1556	<	try{
1557	<	RejectedExecutionHandler r = null;
1558	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1559	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1554	>	/**
1555	>	* invokeAny(c) returns result of some task
1556	>	*/
1557	>	public void testInvokeAny5() throws Exception {
1558	>	final ExecutorService e =
1559	>	new ThreadPoolExecutor(2, 2,
1560	>	LONG_DELAY_MS, MILLISECONDS,
1561	>	new ArrayBlockingQueue<Runnable>(10));
1562	>	try (PoolCleaner cleaner = cleaner(e)) {
1563	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1564	>	l.add(new StringTask());
1565	>	l.add(new StringTask());
1566	>	String result = e.invokeAny(l);
1567	>	assertSame(TEST_STRING, result);
1568		}
417	–	catch (NullPointerException success){}
1569		}
1570
1571	<
1572	<	/** Throws if corePoolSize argument is less than zero */
1573	<	public void testConstructor16() {
1574	<	try{
1575	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1576	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1571	>	/**
1572	>	* invokeAll(null) throws NPE
1573	>	*/
1574	>	public void testInvokeAll1() throws Exception {
1575	>	final ExecutorService e =
1576	>	new ThreadPoolExecutor(2, 2,
1577	>	LONG_DELAY_MS, MILLISECONDS,
1578	>	new ArrayBlockingQueue<Runnable>(10));
1579	>	try (PoolCleaner cleaner = cleaner(e)) {
1580	>	try {
1581	>	e.invokeAll(null);
1582	>	shouldThrow();
1583	>	} catch (NullPointerException success) {}
1584		}
427	–	catch (IllegalArgumentException success){}
1585		}
1586
1587	<	/** Throws if maximumPoolSize is less than zero */
1588	<	public void testConstructor17() {
1589	<	try{
1590	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1591	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1587	>	/**
1588	>	* invokeAll(empty collection) returns empty collection
1589	>	*/
1590	>	public void testInvokeAll2() throws InterruptedException {
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<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1597	>	assertTrue(r.isEmpty());
1598		}
436	–	catch (IllegalArgumentException success){}
1599		}
1600
1601	<	/** Throws if maximumPoolSize is equal to zero */
1602	<	public void testConstructor18() {
1603	<	try{
1604	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1605	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1601	>	/**
1602	>	* invokeAll(c) throws NPE if c has null elements
1603	>	*/
1604	>	public void testInvokeAll3() throws Exception {
1605	>	final ExecutorService e =
1606	>	new ThreadPoolExecutor(2, 2,
1607	>	LONG_DELAY_MS, MILLISECONDS,
1608	>	new ArrayBlockingQueue<Runnable>(10));
1609	>	try (PoolCleaner cleaner = cleaner(e)) {
1610	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1611	>	l.add(new StringTask());
1612	>	l.add(null);
1613	>	try {
1614	>	e.invokeAll(l);
1615	>	shouldThrow();
1616	>	} catch (NullPointerException success) {}
1617		}
445	–	catch (IllegalArgumentException success){}
1618		}
1619
1620	<	/** Throws if keepAliveTime is less than zero */
1621	<	public void testConstructor19() {
1622	<	try{
1623	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1624	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1620	>	/**
1621	>	* get of element of invokeAll(c) throws exception on failed task
1622	>	*/
1623	>	public void testInvokeAll4() throws Exception {
1624	>	final ExecutorService e =
1625	>	new ThreadPoolExecutor(2, 2,
1626	>	LONG_DELAY_MS, MILLISECONDS,
1627	>	new ArrayBlockingQueue<Runnable>(10));
1628	>	try (PoolCleaner cleaner = cleaner(e)) {
1629	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1630	>	l.add(new NPETask());
1631	>	List<Future<String>> futures = e.invokeAll(l);
1632	>	assertEquals(1, futures.size());
1633	>	try {
1634	>	futures.get(0).get();
1635	>	shouldThrow();
1636	>	} catch (ExecutionException success) {
1637	>	assertTrue(success.getCause() instanceof NullPointerException);
1638	>	}
1639		}
454	–	catch (IllegalArgumentException success){}
1640		}
1641
1642	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1643	<	public void testConstructor20() {
1644	<	try{
1645	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1646	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1647	<	}
1648	<	catch (IllegalArgumentException success){}
1649	<	}
1650	<
1651	<	/** Throws if workQueue is set to null */
1652	<	public void testNullPointerException6() {
1653	<	try{
1654	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1655	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1656	<	}
1657	<	catch (NullPointerException success){}
1658	<	}
1659	<
1660	<	/** Throws if handler is set to null */
1661	<	public void testNullPointerException7() {
1662	<	try{
1663	<	RejectedExecutionHandler r = null;
1664	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1665	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1666	<	}
1667	<	catch (NullPointerException success){}
1668	<	}
1669	<
1670	<	/** Throws if ThreadFactory is set top null */
1671	<	public void testNullPointerException8() {
1672	<	try{
1673	<	ThreadFactory f = null;
1674	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1675	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1676	<	}
1677	<	catch (NullPointerException successdn8){}
1678	<	}
1679	<
1680	<
1681	<	/**
1682	<	*   execute will throw RejectedExcutionException
1683	<	*  ThreadPoolExecutor will throw one when more runnables are
1684	<	*  executed then will fit in the Queue.
1685	<	*/
1686	<	public void testRejectedExecutionException(){
1687	<	ThreadPoolExecutor tpe = null;
1688	<	try{
1689	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1690	<	} catch(Exception e){}
1691	<	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();
1642	>	/**
1643	>	* invokeAll(c) returns results of all completed tasks
1644	>	*/
1645	>	public void testInvokeAll5() throws Exception {
1646	>	final ExecutorService e =
1647	>	new ThreadPoolExecutor(2, 2,
1648	>	LONG_DELAY_MS, MILLISECONDS,
1649	>	new ArrayBlockingQueue<Runnable>(10));
1650	>	try (PoolCleaner cleaner = cleaner(e)) {
1651	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1652	>	l.add(new StringTask());
1653	>	l.add(new StringTask());
1654	>	List<Future<String>> futures = e.invokeAll(l);
1655	>	assertEquals(2, futures.size());
1656	>	for (Future<String> future : futures)
1657	>	assertSame(TEST_STRING, future.get());
1658	>	}
1659	>	}
1660	>
1661	>	/**
1662	>	* timed invokeAny(null) throws NPE
1663	>	*/
1664	>	public void testTimedInvokeAny1() throws Exception {
1665	>	final ExecutorService e =
1666	>	new ThreadPoolExecutor(2, 2,
1667	>	LONG_DELAY_MS, MILLISECONDS,
1668	>	new ArrayBlockingQueue<Runnable>(10));
1669	>	try (PoolCleaner cleaner = cleaner(e)) {
1670	>	try {
1671	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1672	>	shouldThrow();
1673	>	} catch (NullPointerException success) {}
1674	>	}
1675	>	}
1676	>
1677	>	/**
1678	>	* timed invokeAny(,,null) throws NPE
1679	>	*/
1680	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1681	>	final ExecutorService e =
1682	>	new ThreadPoolExecutor(2, 2,
1683	>	LONG_DELAY_MS, MILLISECONDS,
1684	>	new ArrayBlockingQueue<Runnable>(10));
1685	>	try (PoolCleaner cleaner = cleaner(e)) {
1686	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1687	>	l.add(new StringTask());
1688	>	try {
1689	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1690	>	shouldThrow();
1691	>	} catch (NullPointerException success) {}
1692		}
591	–	joinPool(tpe);
1693		}
1694	<
1694	>
1695	>	/**
1696	>	* timed invokeAny(empty collection) throws IAE
1697	>	*/
1698	>	public void testTimedInvokeAny2() throws Exception {
1699	>	final ExecutorService e =
1700	>	new ThreadPoolExecutor(2, 2,
1701	>	LONG_DELAY_MS, MILLISECONDS,
1702	>	new ArrayBlockingQueue<Runnable>(10));
1703	>	try (PoolCleaner cleaner = cleaner(e)) {
1704	>	try {
1705	>	e.invokeAny(new ArrayList<Callable<String>>(),
1706	>	MEDIUM_DELAY_MS, MILLISECONDS);
1707	>	shouldThrow();
1708	>	} catch (IllegalArgumentException success) {}
1709	>	}
1710	>	}
1711	>
1712	>	/**
1713	>	* timed invokeAny(c) throws NPE if c has null elements
1714	>	*/
1715	>	public void testTimedInvokeAny3() throws Exception {
1716	>	final CountDownLatch latch = new CountDownLatch(1);
1717	>	final ExecutorService e =
1718	>	new ThreadPoolExecutor(2, 2,
1719	>	LONG_DELAY_MS, MILLISECONDS,
1720	>	new ArrayBlockingQueue<Runnable>(10));
1721	>	try (PoolCleaner cleaner = cleaner(e)) {
1722	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1723	>	l.add(latchAwaitingStringTask(latch));
1724	>	l.add(null);
1725	>	try {
1726	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1727	>	shouldThrow();
1728	>	} catch (NullPointerException success) {}
1729	>	latch.countDown();
1730	>	}
1731	>	}
1732	>
1733	>	/**
1734	>	* timed invokeAny(c) throws ExecutionException if no task completes
1735	>	*/
1736	>	public void testTimedInvokeAny4() throws Exception {
1737	>	final ExecutorService e =
1738	>	new ThreadPoolExecutor(2, 2,
1739	>	LONG_DELAY_MS, MILLISECONDS,
1740	>	new ArrayBlockingQueue<Runnable>(10));
1741	>	try (PoolCleaner cleaner = cleaner(e)) {
1742	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1743	>	l.add(new NPETask());
1744	>	try {
1745	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1746	>	shouldThrow();
1747	>	} catch (ExecutionException success) {
1748	>	assertTrue(success.getCause() instanceof NullPointerException);
1749	>	}
1750	>	}
1751	>	}
1752	>
1753	>	/**
1754	>	* timed invokeAny(c) returns result of some task
1755	>	*/
1756	>	public void testTimedInvokeAny5() throws Exception {
1757	>	final ExecutorService e =
1758	>	new ThreadPoolExecutor(2, 2,
1759	>	LONG_DELAY_MS, MILLISECONDS,
1760	>	new ArrayBlockingQueue<Runnable>(10));
1761	>	try (PoolCleaner cleaner = cleaner(e)) {
1762	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1763	>	l.add(new StringTask());
1764	>	l.add(new StringTask());
1765	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1766	>	assertSame(TEST_STRING, result);
1767	>	}
1768	>	}
1769	>
1770	>	/**
1771	>	* timed invokeAll(null) throws NPE
1772	>	*/
1773	>	public void testTimedInvokeAll1() throws Exception {
1774	>	final ExecutorService e =
1775	>	new ThreadPoolExecutor(2, 2,
1776	>	LONG_DELAY_MS, MILLISECONDS,
1777	>	new ArrayBlockingQueue<Runnable>(10));
1778	>	try (PoolCleaner cleaner = cleaner(e)) {
1779	>	try {
1780	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1781	>	shouldThrow();
1782	>	} catch (NullPointerException success) {}
1783	>	}
1784	>	}
1785	>
1786	>	/**
1787	>	* timed invokeAll(,,null) throws NPE
1788	>	*/
1789	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1790	>	final ExecutorService e =
1791	>	new ThreadPoolExecutor(2, 2,
1792	>	LONG_DELAY_MS, MILLISECONDS,
1793	>	new ArrayBlockingQueue<Runnable>(10));
1794	>	try (PoolCleaner cleaner = cleaner(e)) {
1795	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1796	>	l.add(new StringTask());
1797	>	try {
1798	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1799	>	shouldThrow();
1800	>	} catch (NullPointerException success) {}
1801	>	}
1802	>	}
1803	>
1804	>	/**
1805	>	* timed invokeAll(empty collection) returns empty collection
1806	>	*/
1807	>	public void testTimedInvokeAll2() throws InterruptedException {
1808	>	final ExecutorService e =
1809	>	new ThreadPoolExecutor(2, 2,
1810	>	LONG_DELAY_MS, MILLISECONDS,
1811	>	new ArrayBlockingQueue<Runnable>(10));
1812	>	try (PoolCleaner cleaner = cleaner(e)) {
1813	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1814	>	MEDIUM_DELAY_MS, MILLISECONDS);
1815	>	assertTrue(r.isEmpty());
1816	>	}
1817	>	}
1818	>
1819	>	/**
1820	>	* timed invokeAll(c) throws NPE if c has null elements
1821	>	*/
1822	>	public void testTimedInvokeAll3() throws Exception {
1823	>	final ExecutorService e =
1824	>	new ThreadPoolExecutor(2, 2,
1825	>	LONG_DELAY_MS, MILLISECONDS,
1826	>	new ArrayBlockingQueue<Runnable>(10));
1827	>	try (PoolCleaner cleaner = cleaner(e)) {
1828	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1829	>	l.add(new StringTask());
1830	>	l.add(null);
1831	>	try {
1832	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1833	>	shouldThrow();
1834	>	} catch (NullPointerException success) {}
1835	>	}
1836	>	}
1837	>
1838	>	/**
1839	>	* get of element of invokeAll(c) throws exception on failed task
1840	>	*/
1841	>	public void testTimedInvokeAll4() throws Exception {
1842	>	final ExecutorService e =
1843	>	new ThreadPoolExecutor(2, 2,
1844	>	LONG_DELAY_MS, MILLISECONDS,
1845	>	new ArrayBlockingQueue<Runnable>(10));
1846	>	try (PoolCleaner cleaner = cleaner(e)) {
1847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1848	>	l.add(new NPETask());
1849	>	List<Future<String>> futures =
1850	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1851	>	assertEquals(1, futures.size());
1852	>	try {
1853	>	futures.get(0).get();
1854	>	shouldThrow();
1855	>	} catch (ExecutionException success) {
1856	>	assertTrue(success.getCause() instanceof NullPointerException);
1857	>	}
1858	>	}
1859	>	}
1860	>
1861	>	/**
1862	>	* timed invokeAll(c) returns results of all completed tasks
1863	>	*/
1864	>	public void testTimedInvokeAll5() throws Exception {
1865	>	final ExecutorService e =
1866	>	new ThreadPoolExecutor(2, 2,
1867	>	LONG_DELAY_MS, MILLISECONDS,
1868	>	new ArrayBlockingQueue<Runnable>(10));
1869	>	try (PoolCleaner cleaner = cleaner(e)) {
1870	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1871	>	l.add(new StringTask());
1872	>	l.add(new StringTask());
1873	>	List<Future<String>> futures =
1874	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1875	>	assertEquals(2, futures.size());
1876	>	for (Future<String> future : futures)
1877	>	assertSame(TEST_STRING, future.get());
1878	>	}
1879	>	}
1880	>
1881	>	/**
1882	>	* timed invokeAll(c) cancels tasks not completed by timeout
1883	>	*/
1884	>	public void testTimedInvokeAll6() throws Exception {
1885	>	final ExecutorService e =
1886	>	new ThreadPoolExecutor(2, 2,
1887	>	LONG_DELAY_MS, MILLISECONDS,
1888	>	new ArrayBlockingQueue<Runnable>(10));
1889	>	try (PoolCleaner cleaner = cleaner(e)) {
1890	>	for (long timeout = timeoutMillis();;) {
1891	>	List<Callable<String>> tasks = new ArrayList<>();
1892	>	tasks.add(new StringTask("0"));
1893	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1894	>	tasks.add(new StringTask("2"));
1895	>	long startTime = System.nanoTime();
1896	>	List<Future<String>> futures =
1897	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1898	>	assertEquals(tasks.size(), futures.size());
1899	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1900	>	for (Future future : futures)
1901	>	assertTrue(future.isDone());
1902	>	assertTrue(futures.get(1).isCancelled());
1903	>	try {
1904	>	assertEquals("0", futures.get(0).get());
1905	>	assertEquals("2", futures.get(2).get());
1906	>	break;
1907	>	} catch (CancellationException retryWithLongerTimeout) {
1908	>	timeout *= 2;
1909	>	if (timeout >= LONG_DELAY_MS / 2)
1910	>	fail("expected exactly one task to be cancelled");
1911	>	}
1912	>	}
1913	>	}
1914	>	}
1915	>
1916	>	/**
1917	>	* Execution continues if there is at least one thread even if
1918	>	* thread factory fails to create more
1919	>	*/
1920	>	public void testFailingThreadFactory() throws InterruptedException {
1921	>	final ExecutorService e =
1922	>	new ThreadPoolExecutor(100, 100,
1923	>	LONG_DELAY_MS, MILLISECONDS,
1924	>	new LinkedBlockingQueue<Runnable>(),
1925	>	new FailingThreadFactory());
1926	>	try (PoolCleaner cleaner = cleaner(e)) {
1927	>	final int TASKS = 100;
1928	>	final CountDownLatch done = new CountDownLatch(TASKS);
1929	>	for (int k = 0; k < TASKS; ++k)
1930	>	e.execute(new CheckedRunnable() {
1931	>	public void realRun() {
1932	>	done.countDown();
1933	>	}});
1934	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1935	>	}
1936	>	}
1937	>
1938	>	/**
1939	>	* allowsCoreThreadTimeOut is by default false.
1940	>	*/
1941	>	public void testAllowsCoreThreadTimeOut() {
1942	>	final ThreadPoolExecutor p =
1943	>	new ThreadPoolExecutor(2, 2,
1944	>	1000, MILLISECONDS,
1945	>	new ArrayBlockingQueue<Runnable>(10));
1946	>	try (PoolCleaner cleaner = cleaner(p)) {
1947	>	assertFalse(p.allowsCoreThreadTimeOut());
1948	>	}
1949	>	}
1950	>
1951	>	/**
1952	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1953	>	*/
1954	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1955	>	long keepAliveTime = timeoutMillis();
1956	>	final ThreadPoolExecutor p =
1957	>	new ThreadPoolExecutor(2, 10,
1958	>	keepAliveTime, MILLISECONDS,
1959	>	new ArrayBlockingQueue<Runnable>(10));
1960	>	try (PoolCleaner cleaner = cleaner(p)) {
1961	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1962	>	p.allowCoreThreadTimeOut(true);
1963	>	p.execute(new CheckedRunnable() {
1964	>	public void realRun() {
1965	>	threadStarted.countDown();
1966	>	assertEquals(1, p.getPoolSize());
1967	>	}});
1968	>	await(threadStarted);
1969	>	delay(keepAliveTime);
1970	>	long startTime = System.nanoTime();
1971	>	while (p.getPoolSize() > 0
1972	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1973	>	Thread.yield();
1974	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1975	>	assertEquals(0, p.getPoolSize());
1976	>	}
1977	>	}
1978	>
1979	>	/**
1980	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1981	>	*/
1982	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1983	>	long keepAliveTime = timeoutMillis();
1984	>	final ThreadPoolExecutor p =
1985	>	new ThreadPoolExecutor(2, 10,
1986	>	keepAliveTime, MILLISECONDS,
1987	>	new ArrayBlockingQueue<Runnable>(10));
1988	>	try (PoolCleaner cleaner = cleaner(p)) {
1989	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1990	>	p.allowCoreThreadTimeOut(false);
1991	>	p.execute(new CheckedRunnable() {
1992	>	public void realRun() throws InterruptedException {
1993	>	threadStarted.countDown();
1994	>	assertTrue(p.getPoolSize() >= 1);
1995	>	}});
1996	>	delay(2 * keepAliveTime);
1997	>	assertTrue(p.getPoolSize() >= 1);
1998	>	}
1999	>	}
2000	>
2001	>	/**
2002	>	* execute allows the same task to be submitted multiple times, even
2003	>	* if rejected
2004	>	*/
2005	>	public void testRejectedRecycledTask() throws InterruptedException {
2006	>	final int nTasks = 1000;
2007	>	final CountDownLatch done = new CountDownLatch(nTasks);
2008	>	final Runnable recycledTask = new Runnable() {
2009	>	public void run() {
2010	>	done.countDown();
2011	>	}};
2012	>	final ThreadPoolExecutor p =
2013	>	new ThreadPoolExecutor(1, 30,
2014	>	60, SECONDS,
2015	>	new ArrayBlockingQueue(30));
2016	>	try (PoolCleaner cleaner = cleaner(p)) {
2017	>	for (int i = 0; i < nTasks; ++i) {
2018	>	for (;;) {
2019	>	try {
2020	>	p.execute(recycledTask);
2021	>	break;
2022	>	}
2023	>	catch (RejectedExecutionException ignore) {}
2024	>	}
2025	>	}
2026	>	// enough time to run all tasks
2027	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2028	>	}
2029	>	}
2030	>
2031	>	/**
2032	>	* get(cancelled task) throws CancellationException
2033	>	*/
2034	>	public void testGet_cancelled() throws Exception {
2035	>	final ExecutorService e =
2036	>	new ThreadPoolExecutor(1, 1,
2037	>	LONG_DELAY_MS, MILLISECONDS,
2038	>	new LinkedBlockingQueue<Runnable>());
2039	>	try (PoolCleaner cleaner = cleaner(e)) {
2040	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2041	>	final CountDownLatch done = new CountDownLatch(1);
2042	>	final List<Future<?>> futures = new ArrayList<>();
2043	>	for (int i = 0; i < 2; i++) {
2044	>	Runnable r = new CheckedRunnable() { public void realRun()
2045	>	throws Throwable {
2046	>	blockerStarted.countDown();
2047	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2048	>	}};
2049	>	futures.add(e.submit(r));
2050	>	}
2051	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2052	>	for (Future<?> future : futures) future.cancel(false);
2053	>	for (Future<?> future : futures) {
2054	>	try {
2055	>	future.get();
2056	>	shouldThrow();
2057	>	} catch (CancellationException success) {}
2058	>	try {
2059	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2060	>	shouldThrow();
2061	>	} catch (CancellationException success) {}
2062	>	assertTrue(future.isCancelled());
2063	>	assertTrue(future.isDone());
2064	>	}
2065	>	done.countDown();
2066	>	}
2067	>	}
2068	>
2069		}

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