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root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 00:31:57 2003 UTC vs.
Revision 1.84 by jsr166, Sun Oct 4 02:31:15 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97	>	}
98	>
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122	>	}
123	>
124	>	/**
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126	>	*/
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148	>	}
149	>
150	>	/**
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152	>	*/
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170		}
171
172		/**
173	<	* For use as RejectedExecutionHandler in constructors
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175		*/
176	<	static class MyREHandler implements RejectedExecutionHandler{
177	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204		}
205	<
205	>
206	>	/**
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208	>	*/
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217	>	}
218	>
219		/**
220	<	*   execute successfully executes a runnable
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testExecute(){
223	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230	>	}
231	>
232	>	/**
233	>	* getThreadFactory returns factory in constructor if not set
234	>	*/
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246	>	}
247	>
248	>	/**
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250	>	*/
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261	>	}
262	>
263	>	/**
264	>	* setThreadFactory(null) throws NPE
265	>	*/
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276	>	}
277	>	}
278	>
279	>	/**
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281	>	*/
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292	>	}
293	>
294	>	/**
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297	>	*/
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308	>	}
309	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324	>	}
325	>
326	>	/**
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}
353	>
354	>	/**
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418	>	}
419	>	}
420	>
421	>	/**
422	>	* isShutdown is false before shutdown, true after
423	>	*/
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>	}
467	>
468	>	/**
469	>	* isTerminated is false before termination, true after
470	>	*/
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isTerminating is not true when running or when terminated
498	>	*/
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	final CountDownLatch threadStarted = new CountDownLatch(1);
505	>	final CountDownLatch done = new CountDownLatch(1);
506		try {
507	<	one.execute(new Runnable(){
508	<	public void run(){
509	<	try{
510	<	Thread.sleep(SHORT_DELAY_MS);
511	<	} catch(InterruptedException e){
512	<	fail("unexpected exception");
513	<	}
514	<	}
515	<	});
516	<	Thread.sleep(SMALL_DELAY_MS);
517	<	} catch(InterruptedException e){
518	<	fail("unexpected exception");
519	<	}
520	<	joinPool(one);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	} finally {
518	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
519	>	}
520	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
521	>	assertTrue(p.isTerminated());
522	>	assertFalse(p.isTerminating());
523		}
524
525		/**
526	<	*   getActiveCount gives correct values
526	>	* getQueue returns the work queue, which contains queued tasks
527		*/
528	<	public void testGetActiveCount(){
529	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
530	<	assertEquals(0, two.getActiveCount());
531	<	two.execute(new MediumRunnable());
532	<	try{
533	<	Thread.sleep(SHORT_DELAY_MS);
534	<	} catch(Exception e){
535	<	fail("unexpected exception");
528	>	public void testGetQueue() throws InterruptedException {
529	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
530	>	final ThreadPoolExecutor p =
531	>	new ThreadPoolExecutor(1, 1,
532	>	LONG_DELAY_MS, MILLISECONDS,
533	>	q);
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	try {
537	>	FutureTask[] tasks = new FutureTask[5];
538	>	for (int i = 0; i < tasks.length; i++) {
539	>	Callable task = new CheckedCallable<Boolean>() {
540	>	public Boolean realCall() throws InterruptedException {
541	>	threadStarted.countDown();
542	>	assertSame(q, p.getQueue());
543	>	done.await();
544	>	return Boolean.TRUE;
545	>	}};
546	>	tasks[i] = new FutureTask(task);
547	>	p.execute(tasks[i]);
548	>	}
549	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
550	>	assertSame(q, p.getQueue());
551	>	assertFalse(q.contains(tasks[0]));
552	>	assertTrue(q.contains(tasks[tasks.length - 1]));
553	>	assertEquals(tasks.length - 1, q.size());
554	>	} finally {
555	>	done.countDown();
556	>	joinPool(p);
557	>	}
558	>	}
559	>
560	>	/**
561	>	* remove(task) removes queued task, and fails to remove active task
562	>	*/
563	>	public void testRemove() throws InterruptedException {
564	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
565	>	final ThreadPoolExecutor p =
566	>	new ThreadPoolExecutor(1, 1,
567	>	LONG_DELAY_MS, MILLISECONDS,
568	>	q);
569	>	Runnable[] tasks = new Runnable[5];
570	>	final CountDownLatch threadStarted = new CountDownLatch(1);
571	>	final CountDownLatch done = new CountDownLatch(1);
572	>	try {
573	>	for (int i = 0; i < tasks.length; i++) {
574	>	tasks[i] = new CheckedRunnable() {
575	>	public void realRun() throws InterruptedException {
576	>	threadStarted.countDown();
577	>	done.await();
578	>	}};
579	>	p.execute(tasks[i]);
580	>	}
581	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
582	>	assertFalse(p.remove(tasks[0]));
583	>	assertTrue(q.contains(tasks[4]));
584	>	assertTrue(q.contains(tasks[3]));
585	>	assertTrue(p.remove(tasks[4]));
586	>	assertFalse(p.remove(tasks[4]));
587	>	assertFalse(q.contains(tasks[4]));
588	>	assertTrue(q.contains(tasks[3]));
589	>	assertTrue(p.remove(tasks[3]));
590	>	assertFalse(q.contains(tasks[3]));
591	>	} finally {
592	>	done.countDown();
593	>	joinPool(p);
594		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
595		}
596	<
596	>
597		/**
598	<	*   getCompleteTaskCount gives correct values
598	>	* purge removes cancelled tasks from the queue
599		*/
600	<	public void testGetCompletedTaskCount(){
601	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
602	<	assertEquals(0, two.getCompletedTaskCount());
603	<	two.execute(new ShortRunnable());
604	<	try{
605	<	Thread.sleep(MEDIUM_DELAY_MS);
606	<	} catch(Exception e){
607	<	fail("unexpected exception");
600	>	public void testPurge() throws InterruptedException {
601	>	final CountDownLatch threadStarted = new CountDownLatch(1);
602	>	final CountDownLatch done = new CountDownLatch(1);
603	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
604	>	final ThreadPoolExecutor p =
605	>	new ThreadPoolExecutor(1, 1,
606	>	LONG_DELAY_MS, MILLISECONDS,
607	>	q);
608	>	FutureTask[] tasks = new FutureTask[5];
609	>	try {
610	>	for (int i = 0; i < tasks.length; i++) {
611	>	Callable task = new CheckedCallable<Boolean>() {
612	>	public Boolean realCall() throws InterruptedException {
613	>	threadStarted.countDown();
614	>	done.await();
615	>	return Boolean.TRUE;
616	>	}};
617	>	tasks[i] = new FutureTask(task);
618	>	p.execute(tasks[i]);
619	>	}
620	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
621	>	assertEquals(tasks.length, p.getTaskCount());
622	>	assertEquals(tasks.length - 1, q.size());
623	>	assertEquals(1L, p.getActiveCount());
624	>	assertEquals(0L, p.getCompletedTaskCount());
625	>	tasks[4].cancel(true);
626	>	tasks[3].cancel(false);
627	>	p.purge();
628	>	assertEquals(tasks.length - 3, q.size());
629	>	assertEquals(tasks.length - 2, p.getTaskCount());
630	>	p.purge();         // Nothing to do
631	>	assertEquals(tasks.length - 3, q.size());
632	>	assertEquals(tasks.length - 2, p.getTaskCount());
633	>	} finally {
634	>	done.countDown();
635	>	joinPool(p);
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	>	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	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
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	<	*   getCorePoolSize gives correct values
737	>	* Constructor throws if workQueue is set to null
738		*/
739	<	public void testGetCorePoolSize(){
740	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
741	<	assertEquals(1, one.getCorePoolSize());
742	<	joinPool(one);
739	>	public void testConstructorNullPointerException() {
740	>	try {
741	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
742	>	(BlockingQueue) null);
743	>	shouldThrow();
744	>	} catch (NullPointerException success) {}
745		}
746	<
746	>
747		/**
748	<	*   getKeepAliveTime gives correct values
748	>	* Constructor throws if corePoolSize argument is less than zero
749		*/
750	<	public void testGetKeepAliveTime(){
751	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
752	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
753	<	joinPool(two);
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	<
758	>
759		/**
760	<	*   getLargestPoolSize gives correct values
760	>	* Constructor throws if maximumPoolSize is less than zero
761		*/
762	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
762	>	public void testConstructor7() {
763		try {
764	<	assertEquals(0, two.getLargestPoolSize());
765	<	two.execute(new MediumRunnable());
766	<	two.execute(new MediumRunnable());
767	<	Thread.sleep(SHORT_DELAY_MS);
768	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
764	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
765	>	new ArrayBlockingQueue<Runnable>(10),
766	>	new SimpleThreadFactory());
767	>	shouldThrow();
768	>	} catch (IllegalArgumentException success) {}
769		}
770	<
770	>
771		/**
772	<	*   getMaximumPoolSize gives correct values
772	>	* Constructor throws if maximumPoolSize is equal to zero
773		*/
774	<	public void testGetMaximumPoolSize(){
775	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
776	<	assertEquals(2, two.getMaximumPoolSize());
777	<	joinPool(two);
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	<	*   getPoolSize gives correct values
784	>	* Constructor throws if keepAliveTime is less than zero
785		*/
786	<	public void testGetPoolSize(){
787	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
788	<	assertEquals(0, one.getPoolSize());
789	<	one.execute(new MediumRunnable());
790	<	assertEquals(1, one.getPoolSize());
791	<	joinPool(one);
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	<	*   getTaskCount gives correct values
796	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
797		*/
798	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
798	>	public void testConstructor10() {
799		try {
800	<	assertEquals(0, one.getTaskCount());
801	<	one.execute(new MediumRunnable());
802	<	Thread.sleep(SHORT_DELAY_MS);
803	<	assertEquals(1, one.getTaskCount());
804	<	} catch(Exception e){
157	<	fail("unexpected exception");
158	<	}
159	<	joinPool(one);
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	<	*   isShutDown gives correct values
808	>	* Constructor throws if workQueue is set to null
809		*/
810	<	public void testIsShutdown(){
811	<
812	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
813	<	assertFalse(one.isShutdown());
814	<	one.shutdown();
815	<	assertTrue(one.isShutdown());
816	<	joinPool(one);
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
174	–
819		/**
820	<	*   isTerminated gives correct values
177	<	*  Makes sure termination does not take an innapropriate
178	<	*  amount of time
820	>	* Constructor throws if threadFactory is set to null
821		*/
822	<	public void testIsTerminated(){
181	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
822	>	public void testConstructorNullPointerException3() {
823		try {
824	<	one.execute(new MediumRunnable());
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	>
843	>	/**
844	>	* Constructor throws if maximumPoolSize is less than zero
845	>	*/
846	>	public void testConstructor12() {
847	>	try {
848	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
849	>	new ArrayBlockingQueue<Runnable>(10),
850	>	new NoOpREHandler());
851	>	shouldThrow();
852	>	} catch (IllegalArgumentException success) {}
853	>	}
854	>
855	>	/**
856	>	* Constructor throws if maximumPoolSize is equal to zero
857	>	*/
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	>
867	>	/**
868	>	* Constructor throws if keepAliveTime is less than zero
869	>	*/
870	>	public void testConstructor14() {
871	>	try {
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 ThreadPoolExecutor p =
1024	>	new ThreadPoolExecutor(1, 1,
1025	>	60, SECONDS,
1026	>	new ArrayBlockingQueue<Runnable>(10));
1027	>
1028	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1029	>	final CountDownLatch done = new CountDownLatch(1);
1030	>	try {
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	>	done.await();
1037	>	return Boolean.TRUE;
1038	>	}};
1039	>	p.submit(task).get();
1040	>	}});
1041	>
1042	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1043	>	t.interrupt();
1044	>	awaitTermination(t, MEDIUM_DELAY_MS);
1045		} finally {
1046	<	one.shutdown();
1046	>	done.countDown();
1047	>	joinPool(p);
1048		}
187	–	try {
188	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189	–	assertTrue(one.isTerminated());
190	–	} catch(Exception e){
191	–	fail("unexpected exception");
192	–	}
1049		}
1050
1051		/**
1052	<	*   purge correctly removes cancelled tasks
197	<	*  from the queue
1052	>	* execute throws RejectedExecutionException if saturated.
1053		*/
1054	<	public void testPurge(){
1055	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1056	<	CancellableTask[] tasks = new CancellableTask[5];
1057	<	for(int i = 0; i < 5; i++){
1058	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1059	<	one.execute(tasks[i]);
1054	>	public void testSaturatedExecute() {
1055	>	ThreadPoolExecutor p =
1056	>	new ThreadPoolExecutor(1, 1,
1057	>	LONG_DELAY_MS, MILLISECONDS,
1058	>	new ArrayBlockingQueue<Runnable>(1));
1059	>	final CountDownLatch done = new CountDownLatch(1);
1060	>	try {
1061	>	Runnable task = new CheckedRunnable() {
1062	>	public void realRun() throws InterruptedException {
1063	>	done.await();
1064	>	}};
1065	>	for (int i = 0; i < 2; ++i)
1066	>	p.execute(task);
1067	>	for (int i = 0; i < 2; ++i) {
1068	>	try {
1069	>	p.execute(task);
1070	>	shouldThrow();
1071	>	} catch (RejectedExecutionException success) {}
1072	>	assertTrue(p.getTaskCount() <= 2);
1073	>	}
1074	>	} finally {
1075	>	done.countDown();
1076	>	joinPool(p);
1077		}
206	–	tasks[4].cancel(true);
207	–	tasks[3].cancel(true);
208	–	one.purge();
209	–	long count = one.getTaskCount();
210	–	assertTrue(count >= 2 && count < 5);
211	–	joinPool(one);
1078		}
1079
1080		/**
1081	<	*   shutDownNow returns a list
216	<	*  containing the correct number of elements
1081	>	* submit(runnable) throws RejectedExecutionException if saturated.
1082		*/
1083	<	public void testShutDownNow(){
1084	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1085	<	List l;
1083	>	public void testSaturatedSubmitRunnable() {
1084	>	ThreadPoolExecutor p =
1085	>	new ThreadPoolExecutor(1, 1,
1086	>	LONG_DELAY_MS, MILLISECONDS,
1087	>	new ArrayBlockingQueue<Runnable>(1));
1088	>	final CountDownLatch done = new CountDownLatch(1);
1089		try {
1090	<	for(int i = 0; i < 5; i++)
1091	<	one.execute(new MediumPossiblyInterruptedRunnable());
1090	>	Runnable task = new CheckedRunnable() {
1091	>	public void realRun() throws InterruptedException {
1092	>	done.await();
1093	>	}};
1094	>	for (int i = 0; i < 2; ++i)
1095	>	p.submit(task);
1096	>	for (int i = 0; i < 2; ++i) {
1097	>	try {
1098	>	p.execute(task);
1099	>	shouldThrow();
1100	>	} catch (RejectedExecutionException success) {}
1101	>	assertTrue(p.getTaskCount() <= 2);
1102	>	}
1103	>	} finally {
1104	>	done.countDown();
1105	>	joinPool(p);
1106		}
1107	<	finally {
1108	<	l = one.shutdownNow();
1107	>	}
1108	>
1109	>	/**
1110	>	* submit(callable) throws RejectedExecutionException if saturated.
1111	>	*/
1112	>	public void testSaturatedSubmitCallable() {
1113	>	ThreadPoolExecutor p =
1114	>	new ThreadPoolExecutor(1, 1,
1115	>	LONG_DELAY_MS, MILLISECONDS,
1116	>	new ArrayBlockingQueue<Runnable>(1));
1117	>	final CountDownLatch done = new CountDownLatch(1);
1118	>	try {
1119	>	Runnable task = new CheckedRunnable() {
1120	>	public void realRun() throws InterruptedException {
1121	>	done.await();
1122	>	}};
1123	>	for (int i = 0; i < 2; ++i)
1124	>	p.submit(Executors.callable(task));
1125	>	for (int i = 0; i < 2; ++i) {
1126	>	try {
1127	>	p.execute(task);
1128	>	shouldThrow();
1129	>	} catch (RejectedExecutionException success) {}
1130	>	assertTrue(p.getTaskCount() <= 2);
1131	>	}
1132	>	} finally {
1133	>	done.countDown();
1134	>	joinPool(p);
1135		}
228	–	assertTrue(one.isShutdown());
229	–	assertTrue(l.size() <= 4);
1136		}
1137
1138	<	// Exception Tests
1139	<
1138	>	/**
1139	>	* executor using CallerRunsPolicy runs task if saturated.
1140	>	*/
1141	>	public void testSaturatedExecute2() {
1142	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1143	>	final ThreadPoolExecutor p =
1144	>	new ThreadPoolExecutor(1, 1,
1145	>	LONG_DELAY_MS,
1146	>	MILLISECONDS,
1147	>	new ArrayBlockingQueue<Runnable>(1),
1148	>	h);
1149	>	try {
1150	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1151	>	for (int i = 0; i < tasks.length; ++i)
1152	>	tasks[i] = new TrackedNoOpRunnable();
1153	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1154	>	p.execute(mr);
1155	>	for (int i = 0; i < tasks.length; ++i)
1156	>	p.execute(tasks[i]);
1157	>	for (int i = 1; i < tasks.length; ++i)
1158	>	assertTrue(tasks[i].done);
1159	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1160	>	} finally {
1161	>	joinPool(p);
1162	>	}
1163	>	}
1164
1165	<	/** Throws if corePoolSize argument is less than zero */
1166	<	public void testConstructor1() {
1167	<	try{
1168	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1169	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1165	>	/**
1166	>	* executor using DiscardPolicy drops task if saturated.
1167	>	*/
1168	>	public void testSaturatedExecute3() {
1169	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1170	>	final ThreadPoolExecutor p =
1171	>	new ThreadPoolExecutor(1, 1,
1172	>	LONG_DELAY_MS, MILLISECONDS,
1173	>	new ArrayBlockingQueue<Runnable>(1),
1174	>	h);
1175	>	try {
1176	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1177	>	for (int i = 0; i < tasks.length; ++i)
1178	>	tasks[i] = new TrackedNoOpRunnable();
1179	>	p.execute(new TrackedLongRunnable());
1180	>	for (TrackedNoOpRunnable task : tasks)
1181	>	p.execute(task);
1182	>	for (TrackedNoOpRunnable task : tasks)
1183	>	assertFalse(task.done);
1184	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1185	>	} finally {
1186	>	joinPool(p);
1187		}
241	–	catch (IllegalArgumentException success){}
1188		}
1189	<
1190	<	/** Throws if maximumPoolSize is less than zero */
1191	<	public void testConstructor2() {
1192	<	try{
1193	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1194	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1189	>
1190	>	/**
1191	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1192	>	*/
1193	>	public void testSaturatedExecute4() {
1194	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1195	>	final ThreadPoolExecutor p =
1196	>	new ThreadPoolExecutor(1, 1,
1197	>	LONG_DELAY_MS, MILLISECONDS,
1198	>	new ArrayBlockingQueue<Runnable>(1),
1199	>	h);
1200	>	try {
1201	>	p.execute(new TrackedLongRunnable());
1202	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1203	>	p.execute(r2);
1204	>	assertTrue(p.getQueue().contains(r2));
1205	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1206	>	p.execute(r3);
1207	>	assertFalse(p.getQueue().contains(r2));
1208	>	assertTrue(p.getQueue().contains(r3));
1209	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1210	>	} finally {
1211	>	joinPool(p);
1212		}
250	–	catch (IllegalArgumentException success){}
1213		}
1214	<
1215	<	/** Throws if maximumPoolSize is equal to zero */
1216	<	public void testConstructor3() {
1217	<	try{
1218	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1219	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1214	>
1215	>	/**
1216	>	* execute throws RejectedExecutionException if shutdown
1217	>	*/
1218	>	public void testRejectedExecutionExceptionOnShutdown() {
1219	>	ThreadPoolExecutor p =
1220	>	new ThreadPoolExecutor(1, 1,
1221	>	LONG_DELAY_MS, MILLISECONDS,
1222	>	new ArrayBlockingQueue<Runnable>(1));
1223	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1224	>	try {
1225	>	p.execute(new NoOpRunnable());
1226	>	shouldThrow();
1227	>	} catch (RejectedExecutionException success) {}
1228	>
1229	>	joinPool(p);
1230	>	}
1231	>
1232	>	/**
1233	>	* execute using CallerRunsPolicy drops task on shutdown
1234	>	*/
1235	>	public void testCallerRunsOnShutdown() {
1236	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1237	>	final ThreadPoolExecutor p =
1238	>	new ThreadPoolExecutor(1, 1,
1239	>	LONG_DELAY_MS, MILLISECONDS,
1240	>	new ArrayBlockingQueue<Runnable>(1), h);
1241	>
1242	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1243	>	try {
1244	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1245	>	p.execute(r);
1246	>	assertFalse(r.done);
1247	>	} finally {
1248	>	joinPool(p);
1249		}
259	–	catch (IllegalArgumentException success){}
1250		}
1251
1252	<	/** Throws if keepAliveTime is less than zero */
1253	<	public void testConstructor4() {
1254	<	try{
1255	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1256	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1252	>	/**
1253	>	* execute using DiscardPolicy drops task on shutdown
1254	>	*/
1255	>	public void testDiscardOnShutdown() {
1256	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1257	>	ThreadPoolExecutor p =
1258	>	new ThreadPoolExecutor(1, 1,
1259	>	LONG_DELAY_MS, MILLISECONDS,
1260	>	new ArrayBlockingQueue<Runnable>(1),
1261	>	h);
1262	>
1263	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1264	>	try {
1265	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1266	>	p.execute(r);
1267	>	assertFalse(r.done);
1268	>	} finally {
1269	>	joinPool(p);
1270		}
268	–	catch (IllegalArgumentException success){}
1271		}
1272
1273	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1274	<	public void testConstructor5() {
1275	<	try{
1276	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1277	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1273	>	/**
1274	>	* execute using DiscardOldestPolicy drops task on shutdown
1275	>	*/
1276	>	public void testDiscardOldestOnShutdown() {
1277	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1278	>	ThreadPoolExecutor p =
1279	>	new ThreadPoolExecutor(1, 1,
1280	>	LONG_DELAY_MS, MILLISECONDS,
1281	>	new ArrayBlockingQueue<Runnable>(1),
1282	>	h);
1283	>
1284	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1285	>	try {
1286	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1287	>	p.execute(r);
1288	>	assertFalse(r.done);
1289	>	} finally {
1290	>	joinPool(p);
1291		}
277	–	catch (IllegalArgumentException success){}
1292		}
1293	<
1294	<	/** Throws if workQueue is set to null */
1295	<	public void testNullPointerException() {
1296	<	try{
1297	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1298	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1293	>
1294	>	/**
1295	>	* execute(null) throws NPE
1296	>	*/
1297	>	public void testExecuteNull() {
1298	>	ThreadPoolExecutor p =
1299	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1300	>	new ArrayBlockingQueue<Runnable>(10));
1301	>	try {
1302	>	p.execute(null);
1303	>	shouldThrow();
1304	>	} catch (NullPointerException success) {}
1305	>
1306	>	joinPool(p);
1307	>	}
1308	>
1309	>	/**
1310	>	* setCorePoolSize of negative value throws IllegalArgumentException
1311	>	*/
1312	>	public void testCorePoolSizeIllegalArgumentException() {
1313	>	ThreadPoolExecutor p =
1314	>	new ThreadPoolExecutor(1, 2,
1315	>	LONG_DELAY_MS, MILLISECONDS,
1316	>	new ArrayBlockingQueue<Runnable>(10));
1317	>	try {
1318	>	p.setCorePoolSize(-1);
1319	>	shouldThrow();
1320	>	} catch (IllegalArgumentException success) {
1321	>	} finally {
1322	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1323		}
1324	<	catch (NullPointerException success){}
1324	>	joinPool(p);
1325		}
288	–
1326
1327	<
1328	<	/** Throws if corePoolSize argument is less than zero */
1329	<	public void testConstructor6() {
1330	<	try{
1331	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1332	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1333	<	} catch (IllegalArgumentException success){}
1327	>	/**
1328	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1329	>	* given a value less the core pool size
1330	>	*/
1331	>	public void testMaximumPoolSizeIllegalArgumentException() {
1332	>	ThreadPoolExecutor p =
1333	>	new ThreadPoolExecutor(2, 3,
1334	>	LONG_DELAY_MS, MILLISECONDS,
1335	>	new ArrayBlockingQueue<Runnable>(10));
1336	>	try {
1337	>	p.setMaximumPoolSize(1);
1338	>	shouldThrow();
1339	>	} catch (IllegalArgumentException success) {
1340	>	} finally {
1341	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1342	>	}
1343	>	joinPool(p);
1344		}
1345	<
1346	<	/** Throws if maximumPoolSize is less than zero */
1347	<	public void testConstructor7() {
1348	<	try{
1349	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1350	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1345	>
1346	>	/**
1347	>	* setMaximumPoolSize throws IllegalArgumentException
1348	>	* if given a negative value
1349	>	*/
1350	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1351	>	ThreadPoolExecutor p =
1352	>	new ThreadPoolExecutor(2, 3,
1353	>	LONG_DELAY_MS, MILLISECONDS,
1354	>	new ArrayBlockingQueue<Runnable>(10));
1355	>	try {
1356	>	p.setMaximumPoolSize(-1);
1357	>	shouldThrow();
1358	>	} catch (IllegalArgumentException success) {
1359	>	} finally {
1360	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1361		}
1362	<	catch (IllegalArgumentException success){}
1362	>	joinPool(p);
1363		}
1364
1365	<	/** Throws if maximumPoolSize is equal to zero */
1366	<	public void testConstructor8() {
1367	<	try{
1368	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1369	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1365	>	/**
1366	>	* Configuration changes that allow core pool size greater than
1367	>	* max pool size result in IllegalArgumentException.
1368	>	*/
1369	>	public void testPoolSizeInvariants() {
1370	>	ThreadPoolExecutor p =
1371	>	new ThreadPoolExecutor(1, 1,
1372	>	LONG_DELAY_MS, MILLISECONDS,
1373	>	new ArrayBlockingQueue<Runnable>(10));
1374	>	for (int s = 1; s < 5; s++) {
1375	>	p.setMaximumPoolSize(s);
1376	>	p.setCorePoolSize(s);
1377	>	try {
1378	>	p.setMaximumPoolSize(s - 1);
1379	>	shouldThrow();
1380	>	} catch (IllegalArgumentException success) {}
1381	>	assertEquals(s, p.getCorePoolSize());
1382	>	assertEquals(s, p.getMaximumPoolSize());
1383	>	try {
1384	>	p.setCorePoolSize(s + 1);
1385	>	shouldThrow();
1386	>	} catch (IllegalArgumentException success) {}
1387	>	assertEquals(s, p.getCorePoolSize());
1388	>	assertEquals(s, p.getMaximumPoolSize());
1389		}
1390	<	catch (IllegalArgumentException success){}
1390	>	joinPool(p);
1391		}
1392
1393	<	/** Throws if keepAliveTime is less than zero */
1394	<	public void testConstructor9() {
1395	<	try{
1396	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1397	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1393	>	/**
1394	>	* setKeepAliveTime throws IllegalArgumentException
1395	>	* when given a negative value
1396	>	*/
1397	>	public void testKeepAliveTimeIllegalArgumentException() {
1398	>	ThreadPoolExecutor p =
1399	>	new ThreadPoolExecutor(2, 3,
1400	>	LONG_DELAY_MS, MILLISECONDS,
1401	>	new ArrayBlockingQueue<Runnable>(10));
1402	>	try {
1403	>	p.setKeepAliveTime(-1,MILLISECONDS);
1404	>	shouldThrow();
1405	>	} catch (IllegalArgumentException success) {
1406	>	} finally {
1407	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1408		}
1409	<	catch (IllegalArgumentException success){}
1409	>	joinPool(p);
1410		}
1411
1412	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1413	<	public void testConstructor10() {
1414	<	try{
1415	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1416	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1412	>	/**
1413	>	* terminated() is called on termination
1414	>	*/
1415	>	public void testTerminated() {
1416	>	ExtendedTPE p = new ExtendedTPE();
1417	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1418	>	assertTrue(p.terminatedCalled());
1419	>	joinPool(p);
1420	>	}
1421	>
1422	>	/**
1423	>	* beforeExecute and afterExecute are called when executing task
1424	>	*/
1425	>	public void testBeforeAfter() throws InterruptedException {
1426	>	ExtendedTPE p = new ExtendedTPE();
1427	>	try {
1428	>	final CountDownLatch done = new CountDownLatch(1);
1429	>	p.execute(new CheckedRunnable() {
1430	>	public void realRun() {
1431	>	done.countDown();
1432	>	}});
1433	>	await(p.afterCalled);
1434	>	assertEquals(0, done.getCount());
1435	>	assertTrue(p.afterCalled());
1436	>	assertTrue(p.beforeCalled());
1437	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1438	>	} finally {
1439	>	joinPool(p);
1440		}
332	–	catch (IllegalArgumentException success){}
1441		}
1442
1443	<	/** Throws if workQueue is set to null */
1444	<	public void testNullPointerException2() {
1445	<	try{
1446	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1447	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1443	>	/**
1444	>	* completed submit of callable returns result
1445	>	*/
1446	>	public void testSubmitCallable() throws Exception {
1447	>	ExecutorService e =
1448	>	new ThreadPoolExecutor(2, 2,
1449	>	LONG_DELAY_MS, MILLISECONDS,
1450	>	new ArrayBlockingQueue<Runnable>(10));
1451	>	try {
1452	>	Future<String> future = e.submit(new StringTask());
1453	>	String result = future.get();
1454	>	assertSame(TEST_STRING, result);
1455	>	} finally {
1456	>	joinPool(e);
1457		}
341	–	catch (NullPointerException success){}
1458		}
1459
1460	<	/** Throws if threadFactory is set to null */
1461	<	public void testNullPointerException3() {
1462	<	try{
1463	<	ThreadFactory f = null;
1464	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1465	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1460	>	/**
1461	>	* completed submit of runnable returns successfully
1462	>	*/
1463	>	public void testSubmitRunnable() throws Exception {
1464	>	ExecutorService e =
1465	>	new ThreadPoolExecutor(2, 2,
1466	>	LONG_DELAY_MS, MILLISECONDS,
1467	>	new ArrayBlockingQueue<Runnable>(10));
1468	>	try {
1469	>	Future<?> future = e.submit(new NoOpRunnable());
1470	>	future.get();
1471	>	assertTrue(future.isDone());
1472	>	} finally {
1473	>	joinPool(e);
1474		}
351	–	catch (NullPointerException success){}
1475		}
1476	<
1477	<
1478	<	/** Throws if corePoolSize argument is less than zero */
1479	<	public void testConstructor11() {
1480	<	try{
1481	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1482	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1476	>
1477	>	/**
1478	>	* completed submit of (runnable, result) returns result
1479	>	*/
1480	>	public void testSubmitRunnable2() throws Exception {
1481	>	ExecutorService e =
1482	>	new ThreadPoolExecutor(2, 2,
1483	>	LONG_DELAY_MS, MILLISECONDS,
1484	>	new ArrayBlockingQueue<Runnable>(10));
1485	>	try {
1486	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1487	>	String result = future.get();
1488	>	assertSame(TEST_STRING, result);
1489	>	} finally {
1490	>	joinPool(e);
1491		}
361	–	catch (IllegalArgumentException success){}
1492		}
1493
1494	<	/** Throws if maximumPoolSize is less than zero */
1495	<	public void testConstructor12() {
1496	<	try{
1497	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1498	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1494	>	/**
1495	>	* invokeAny(null) throws NPE
1496	>	*/
1497	>	public void testInvokeAny1() throws Exception {
1498	>	ExecutorService e =
1499	>	new ThreadPoolExecutor(2, 2,
1500	>	LONG_DELAY_MS, MILLISECONDS,
1501	>	new ArrayBlockingQueue<Runnable>(10));
1502	>	try {
1503	>	e.invokeAny(null);
1504	>	shouldThrow();
1505	>	} catch (NullPointerException success) {
1506	>	} finally {
1507	>	joinPool(e);
1508		}
370	–	catch (IllegalArgumentException success){}
1509		}
1510
1511	<	/** Throws if maximumPoolSize is equal to zero */
1512	<	public void testConstructor13() {
1513	<	try{
1514	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1515	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1511	>	/**
1512	>	* invokeAny(empty collection) throws IAE
1513	>	*/
1514	>	public void testInvokeAny2() throws Exception {
1515	>	ExecutorService e =
1516	>	new ThreadPoolExecutor(2, 2,
1517	>	LONG_DELAY_MS, MILLISECONDS,
1518	>	new ArrayBlockingQueue<Runnable>(10));
1519	>	try {
1520	>	e.invokeAny(new ArrayList<Callable<String>>());
1521	>	shouldThrow();
1522	>	} catch (IllegalArgumentException success) {
1523	>	} finally {
1524	>	joinPool(e);
1525		}
379	–	catch (IllegalArgumentException success){}
1526		}
1527
1528	<	/** Throws if keepAliveTime is less than zero */
1529	<	public void testConstructor14() {
1530	<	try{
1531	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1532	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1528	>	/**
1529	>	* invokeAny(c) throws NPE if c has null elements
1530	>	*/
1531	>	public void testInvokeAny3() throws Exception {
1532	>	final CountDownLatch latch = new CountDownLatch(1);
1533	>	final ExecutorService e =
1534	>	new ThreadPoolExecutor(2, 2,
1535	>	LONG_DELAY_MS, MILLISECONDS,
1536	>	new ArrayBlockingQueue<Runnable>(10));
1537	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1538	>	l.add(latchAwaitingStringTask(latch));
1539	>	l.add(null);
1540	>	try {
1541	>	e.invokeAny(l);
1542	>	shouldThrow();
1543	>	} catch (NullPointerException success) {
1544	>	} finally {
1545	>	latch.countDown();
1546	>	joinPool(e);
1547		}
388	–	catch (IllegalArgumentException success){}
1548		}
1549
1550	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1551	<	public void testConstructor15() {
1552	<	try{
1553	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1554	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1550	>	/**
1551	>	* invokeAny(c) throws ExecutionException if no task completes
1552	>	*/
1553	>	public void testInvokeAny4() throws Exception {
1554	>	ExecutorService e =
1555	>	new ThreadPoolExecutor(2, 2,
1556	>	LONG_DELAY_MS, MILLISECONDS,
1557	>	new ArrayBlockingQueue<Runnable>(10));
1558	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1559	>	l.add(new NPETask());
1560	>	try {
1561	>	e.invokeAny(l);
1562	>	shouldThrow();
1563	>	} catch (ExecutionException success) {
1564	>	assertTrue(success.getCause() instanceof NullPointerException);
1565	>	} finally {
1566	>	joinPool(e);
1567		}
397	–	catch (IllegalArgumentException success){}
1568		}
1569
1570	<	/** Throws if workQueue is set to null */
1571	<	public void testNullPointerException4() {
1572	<	try{
1573	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1574	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1570	>	/**
1571	>	* invokeAny(c) returns result of some task
1572	>	*/
1573	>	public void testInvokeAny5() throws Exception {
1574	>	ExecutorService e =
1575	>	new ThreadPoolExecutor(2, 2,
1576	>	LONG_DELAY_MS, MILLISECONDS,
1577	>	new ArrayBlockingQueue<Runnable>(10));
1578	>	try {
1579	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1580	>	l.add(new StringTask());
1581	>	l.add(new StringTask());
1582	>	String result = e.invokeAny(l);
1583	>	assertSame(TEST_STRING, result);
1584	>	} finally {
1585	>	joinPool(e);
1586		}
406	–	catch (NullPointerException success){}
1587		}
1588
1589	<	/** Throws if handler is set to null */
1590	<	public void testNullPointerException5() {
1591	<	try{
1592	<	RejectedExecutionHandler r = null;
1593	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1594	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1589	>	/**
1590	>	* invokeAll(null) throws NPE
1591	>	*/
1592	>	public void testInvokeAll1() throws Exception {
1593	>	ExecutorService e =
1594	>	new ThreadPoolExecutor(2, 2,
1595	>	LONG_DELAY_MS, MILLISECONDS,
1596	>	new ArrayBlockingQueue<Runnable>(10));
1597	>	try {
1598	>	e.invokeAll(null);
1599	>	shouldThrow();
1600	>	} catch (NullPointerException success) {
1601	>	} finally {
1602	>	joinPool(e);
1603		}
416	–	catch (NullPointerException success){}
1604		}
1605
1606	<
1607	<	/** Throws if corePoolSize argument is less than zero */
1608	<	public void testConstructor16() {
1609	<	try{
1610	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1611	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1606	>	/**
1607	>	* invokeAll(empty collection) returns empty collection
1608	>	*/
1609	>	public void testInvokeAll2() throws InterruptedException {
1610	>	ExecutorService e =
1611	>	new ThreadPoolExecutor(2, 2,
1612	>	LONG_DELAY_MS, MILLISECONDS,
1613	>	new ArrayBlockingQueue<Runnable>(10));
1614	>	try {
1615	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1616	>	assertTrue(r.isEmpty());
1617	>	} finally {
1618	>	joinPool(e);
1619		}
426	–	catch (IllegalArgumentException success){}
1620		}
1621
1622	<	/** Throws if maximumPoolSize is less than zero */
1623	<	public void testConstructor17() {
1624	<	try{
1625	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1626	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1622	>	/**
1623	>	* invokeAll(c) throws NPE if c has null elements
1624	>	*/
1625	>	public void testInvokeAll3() throws Exception {
1626	>	ExecutorService e =
1627	>	new ThreadPoolExecutor(2, 2,
1628	>	LONG_DELAY_MS, MILLISECONDS,
1629	>	new ArrayBlockingQueue<Runnable>(10));
1630	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1631	>	l.add(new StringTask());
1632	>	l.add(null);
1633	>	try {
1634	>	e.invokeAll(l);
1635	>	shouldThrow();
1636	>	} catch (NullPointerException success) {
1637	>	} finally {
1638	>	joinPool(e);
1639		}
435	–	catch (IllegalArgumentException success){}
1640		}
1641
1642	<	/** Throws if maximumPoolSize is equal to zero */
1643	<	public void testConstructor18() {
1644	<	try{
1645	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1646	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1642	>	/**
1643	>	* get of element of invokeAll(c) throws exception on failed task
1644	>	*/
1645	>	public void testInvokeAll4() throws Exception {
1646	>	ExecutorService e =
1647	>	new ThreadPoolExecutor(2, 2,
1648	>	LONG_DELAY_MS, MILLISECONDS,
1649	>	new ArrayBlockingQueue<Runnable>(10));
1650	>	try {
1651	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1652	>	l.add(new NPETask());
1653	>	List<Future<String>> futures = e.invokeAll(l);
1654	>	assertEquals(1, futures.size());
1655	>	try {
1656	>	futures.get(0).get();
1657	>	shouldThrow();
1658	>	} catch (ExecutionException success) {
1659	>	assertTrue(success.getCause() instanceof NullPointerException);
1660	>	}
1661	>	} finally {
1662	>	joinPool(e);
1663		}
444	–	catch (IllegalArgumentException success){}
1664		}
1665
1666	<	/** Throws if keepAliveTime is less than zero */
1667	<	public void testConstructor19() {
1668	<	try{
1669	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1670	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1666	>	/**
1667	>	* invokeAll(c) returns results of all completed tasks
1668	>	*/
1669	>	public void testInvokeAll5() throws Exception {
1670	>	ExecutorService e =
1671	>	new ThreadPoolExecutor(2, 2,
1672	>	LONG_DELAY_MS, MILLISECONDS,
1673	>	new ArrayBlockingQueue<Runnable>(10));
1674	>	try {
1675	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1676	>	l.add(new StringTask());
1677	>	l.add(new StringTask());
1678	>	List<Future<String>> futures = e.invokeAll(l);
1679	>	assertEquals(2, futures.size());
1680	>	for (Future<String> future : futures)
1681	>	assertSame(TEST_STRING, future.get());
1682	>	} finally {
1683	>	joinPool(e);
1684		}
453	–	catch (IllegalArgumentException success){}
1685		}
1686
1687	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1688	<	public void testConstructor20() {
1689	<	try{
1690	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1691	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1687	>	/**
1688	>	* timed invokeAny(null) throws NPE
1689	>	*/
1690	>	public void testTimedInvokeAny1() throws Exception {
1691	>	ExecutorService e =
1692	>	new ThreadPoolExecutor(2, 2,
1693	>	LONG_DELAY_MS, MILLISECONDS,
1694	>	new ArrayBlockingQueue<Runnable>(10));
1695	>	try {
1696	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1697	>	shouldThrow();
1698	>	} catch (NullPointerException success) {
1699	>	} finally {
1700	>	joinPool(e);
1701	>	}
1702	>	}
1703	>
1704	>	/**
1705	>	* timed invokeAny(,,null) throws NPE
1706	>	*/
1707	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1708	>	ExecutorService e =
1709	>	new ThreadPoolExecutor(2, 2,
1710	>	LONG_DELAY_MS, MILLISECONDS,
1711	>	new ArrayBlockingQueue<Runnable>(10));
1712	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1713	>	l.add(new StringTask());
1714	>	try {
1715	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1716	>	shouldThrow();
1717	>	} catch (NullPointerException success) {
1718	>	} finally {
1719	>	joinPool(e);
1720	>	}
1721	>	}
1722	>
1723	>	/**
1724	>	* timed invokeAny(empty collection) throws IAE
1725	>	*/
1726	>	public void testTimedInvokeAny2() throws Exception {
1727	>	ExecutorService e =
1728	>	new ThreadPoolExecutor(2, 2,
1729	>	LONG_DELAY_MS, MILLISECONDS,
1730	>	new ArrayBlockingQueue<Runnable>(10));
1731	>	try {
1732	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1733	>	shouldThrow();
1734	>	} catch (IllegalArgumentException success) {
1735	>	} finally {
1736	>	joinPool(e);
1737	>	}
1738	>	}
1739	>
1740	>	/**
1741	>	* timed invokeAny(c) throws NPE if c has null elements
1742	>	*/
1743	>	public void testTimedInvokeAny3() throws Exception {
1744	>	final CountDownLatch latch = new CountDownLatch(1);
1745	>	final ExecutorService e =
1746	>	new ThreadPoolExecutor(2, 2,
1747	>	LONG_DELAY_MS, MILLISECONDS,
1748	>	new ArrayBlockingQueue<Runnable>(10));
1749	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1750	>	l.add(latchAwaitingStringTask(latch));
1751	>	l.add(null);
1752	>	try {
1753	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1754	>	shouldThrow();
1755	>	} catch (NullPointerException success) {
1756	>	} finally {
1757	>	latch.countDown();
1758	>	joinPool(e);
1759	>	}
1760	>	}
1761	>
1762	>	/**
1763	>	* timed invokeAny(c) throws ExecutionException if no task completes
1764	>	*/
1765	>	public void testTimedInvokeAny4() throws Exception {
1766	>	ExecutorService e =
1767	>	new ThreadPoolExecutor(2, 2,
1768	>	LONG_DELAY_MS, MILLISECONDS,
1769	>	new ArrayBlockingQueue<Runnable>(10));
1770	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1771	>	l.add(new NPETask());
1772	>	try {
1773	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1774	>	shouldThrow();
1775	>	} catch (ExecutionException success) {
1776	>	assertTrue(success.getCause() instanceof NullPointerException);
1777	>	} finally {
1778	>	joinPool(e);
1779		}
462	–	catch (IllegalArgumentException success){}
1780		}
1781
1782	<	/** Throws if workQueue is set to null */
1783	<	public void testNullPointerException6() {
1784	<	try{
1785	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1786	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1782	>	/**
1783	>	* timed invokeAny(c) returns result of some task
1784	>	*/
1785	>	public void testTimedInvokeAny5() throws Exception {
1786	>	ExecutorService e =
1787	>	new ThreadPoolExecutor(2, 2,
1788	>	LONG_DELAY_MS, MILLISECONDS,
1789	>	new ArrayBlockingQueue<Runnable>(10));
1790	>	try {
1791	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1792	>	l.add(new StringTask());
1793	>	l.add(new StringTask());
1794	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1795	>	assertSame(TEST_STRING, result);
1796	>	} finally {
1797	>	joinPool(e);
1798		}
471	–	catch (NullPointerException success){}
1799		}
1800
1801	<	/** Throws if handler is set to null */
1802	<	public void testNullPointerException7() {
1803	<	try{
1804	<	RejectedExecutionHandler r = null;
1805	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1806	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1801	>	/**
1802	>	* timed invokeAll(null) throws NPE
1803	>	*/
1804	>	public void testTimedInvokeAll1() throws Exception {
1805	>	ExecutorService e =
1806	>	new ThreadPoolExecutor(2, 2,
1807	>	LONG_DELAY_MS, MILLISECONDS,
1808	>	new ArrayBlockingQueue<Runnable>(10));
1809	>	try {
1810	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1811	>	shouldThrow();
1812	>	} catch (NullPointerException success) {
1813	>	} finally {
1814	>	joinPool(e);
1815		}
481	–	catch (NullPointerException success){}
1816		}
1817
1818	<	/** Throws if ThreadFactory is set top null */
1819	<	public void testNullPointerException8() {
1820	<	try{
1821	<	ThreadFactory f = null;
1822	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1823	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1818	>	/**
1819	>	* timed invokeAll(,,null) throws NPE
1820	>	*/
1821	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1822	>	ExecutorService e =
1823	>	new ThreadPoolExecutor(2, 2,
1824	>	LONG_DELAY_MS, MILLISECONDS,
1825	>	new ArrayBlockingQueue<Runnable>(10));
1826	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1827	>	l.add(new StringTask());
1828	>	try {
1829	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1830	>	shouldThrow();
1831	>	} catch (NullPointerException success) {
1832	>	} finally {
1833	>	joinPool(e);
1834		}
491	–	catch (NullPointerException successdn8){}
1835		}
493	–
1836
1837		/**
1838	<	*   execute will throw RejectedExcutionException
497	<	*  ThreadPoolExecutor will throw one when more runnables are
498	<	*  executed then will fit in the Queue.
1838	>	* timed invokeAll(empty collection) returns empty collection
1839		*/
1840	<	public void testRejectedExecutionException(){
1841	<	ThreadPoolExecutor tpe = null;
1842	<	try{
1843	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1844	<	} catch(Exception e){}
1845	<	tpe.shutdown();
1846	<	try{
1847	<	tpe.execute(new NoOpRunnable());
1848	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1849	<	} catch(RejectedExecutionException success){}
1850	<
511	<	joinPool(tpe);
1840	>	public void testTimedInvokeAll2() throws InterruptedException {
1841	>	ExecutorService e =
1842	>	new ThreadPoolExecutor(2, 2,
1843	>	LONG_DELAY_MS, MILLISECONDS,
1844	>	new ArrayBlockingQueue<Runnable>(10));
1845	>	try {
1846	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1847	>	assertTrue(r.isEmpty());
1848	>	} finally {
1849	>	joinPool(e);
1850	>	}
1851		}
1852	<
1852	>
1853		/**
1854	<	*   setCorePoolSize will throw IllegalArgumentException
516	<	*  when given a negative
1854	>	* timed invokeAll(c) throws NPE if c has null elements
1855		*/
1856	<	public void testCorePoolSizeIllegalArgumentException(){
1857	<	ThreadPoolExecutor tpe = null;
1858	<	try{
1859	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1860	<	} catch(Exception e){}
1861	<	try{
1862	<	tpe.setCorePoolSize(-1);
1863	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1864	<	} catch(IllegalArgumentException success){
1856	>	public void testTimedInvokeAll3() throws Exception {
1857	>	ExecutorService e =
1858	>	new ThreadPoolExecutor(2, 2,
1859	>	LONG_DELAY_MS, MILLISECONDS,
1860	>	new ArrayBlockingQueue<Runnable>(10));
1861	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1862	>	l.add(new StringTask());
1863	>	l.add(null);
1864	>	try {
1865	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1866	>	shouldThrow();
1867	>	} catch (NullPointerException success) {
1868	>	} finally {
1869	>	joinPool(e);
1870	>	}
1871	>	}
1872	>
1873	>	/**
1874	>	* get of element of invokeAll(c) throws exception on failed task
1875	>	*/
1876	>	public void testTimedInvokeAll4() throws Exception {
1877	>	ExecutorService e =
1878	>	new ThreadPoolExecutor(2, 2,
1879	>	LONG_DELAY_MS, MILLISECONDS,
1880	>	new ArrayBlockingQueue<Runnable>(10));
1881	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1882	>	l.add(new NPETask());
1883	>	List<Future<String>> futures =
1884	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1885	>	assertEquals(1, futures.size());
1886	>	try {
1887	>	futures.get(0).get();
1888	>	shouldThrow();
1889	>	} catch (ExecutionException success) {
1890	>	assertTrue(success.getCause() instanceof NullPointerException);
1891		} finally {
1892	<	tpe.shutdown();
1892	>	joinPool(e);
1893		}
1894	<	joinPool(tpe);
531	<	}
1894	>	}
1895
533	–
1896		/**
1897	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1898	<	*  if given a value less the it's actual core pool size
1899	<	*/
1900	<	public void testMaximumPoolSizeIllegalArgumentException(){
1901	<	ThreadPoolExecutor tpe = null;
1902	<	try{
1903	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1904	<	} catch(Exception e){}
1905	<	try{
1906	<	tpe.setMaximumPoolSize(1);
1907	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1908	<	} catch(IllegalArgumentException success){
1897	>	* timed invokeAll(c) returns results of all completed tasks
1898	>	*/
1899	>	public void testTimedInvokeAll5() throws Exception {
1900	>	ExecutorService e =
1901	>	new ThreadPoolExecutor(2, 2,
1902	>	LONG_DELAY_MS, MILLISECONDS,
1903	>	new ArrayBlockingQueue<Runnable>(10));
1904	>	try {
1905	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1906	>	l.add(new StringTask());
1907	>	l.add(new StringTask());
1908	>	List<Future<String>> futures =
1909	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1910	>	assertEquals(2, futures.size());
1911	>	for (Future<String> future : futures)
1912	>	assertSame(TEST_STRING, future.get());
1913		} finally {
1914	<	tpe.shutdown();
1914	>	joinPool(e);
1915		}
550	–	joinPool(tpe);
1916		}
1917	<
1917	>
1918		/**
1919	<	*   setMaximumPoolSize will throw IllegalArgumentException
555	<	*  if given a negative number
1919	>	* timed invokeAll(c) cancels tasks not completed by timeout
1920		*/
1921	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1922	<	ThreadPoolExecutor tpe = null;
1923	<	try{
1924	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1925	<	} catch(Exception e){}
1926	<	try{
1927	<	tpe.setMaximumPoolSize(-1);
1928	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1929	<	} catch(IllegalArgumentException success){
1921	>	public void testTimedInvokeAll6() throws Exception {
1922	>	ExecutorService e =
1923	>	new ThreadPoolExecutor(2, 2,
1924	>	LONG_DELAY_MS, MILLISECONDS,
1925	>	new ArrayBlockingQueue<Runnable>(10));
1926	>	try {
1927	>	for (long timeout = timeoutMillis();;) {
1928	>	List<Callable<String>> tasks = new ArrayList<>();
1929	>	tasks.add(new StringTask("0"));
1930	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1931	>	tasks.add(new StringTask("2"));
1932	>	long startTime = System.nanoTime();
1933	>	List<Future<String>> futures =
1934	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1935	>	assertEquals(tasks.size(), futures.size());
1936	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1937	>	for (Future future : futures)
1938	>	assertTrue(future.isDone());
1939	>	assertTrue(futures.get(1).isCancelled());
1940	>	try {
1941	>	assertEquals("0", futures.get(0).get());
1942	>	assertEquals("2", futures.get(2).get());
1943	>	break;
1944	>	} catch (CancellationException retryWithLongerTimeout) {
1945	>	timeout *= 2;
1946	>	if (timeout >= LONG_DELAY_MS / 2)
1947	>	fail("expected exactly one task to be cancelled");
1948	>	}
1949	>	}
1950		} finally {
1951	<	tpe.shutdown();
1951	>	joinPool(e);
1952		}
569	–	joinPool(tpe);
1953		}
571	–
1954
1955		/**
1956	<	*   setKeepAliveTime will throw IllegalArgumentException
1957	<	*  when given a negative value
1956	>	* Execution continues if there is at least one thread even if
1957	>	* thread factory fails to create more
1958		*/
1959	<	public void testKeepAliveTimeIllegalArgumentException(){
1960	<	ThreadPoolExecutor tpe = null;
1961	<	try{
1962	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1963	<	} catch(Exception e){}
1964	<
1965	<	try{
1966	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1967	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1968	<	} catch(IllegalArgumentException success){
1959	>	public void testFailingThreadFactory() throws InterruptedException {
1960	>	final ExecutorService e =
1961	>	new ThreadPoolExecutor(100, 100,
1962	>	LONG_DELAY_MS, MILLISECONDS,
1963	>	new LinkedBlockingQueue<Runnable>(),
1964	>	new FailingThreadFactory());
1965	>	try {
1966	>	final int TASKS = 100;
1967	>	final CountDownLatch done = new CountDownLatch(TASKS);
1968	>	for (int k = 0; k < TASKS; ++k)
1969	>	e.execute(new CheckedRunnable() {
1970	>	public void realRun() {
1971	>	done.countDown();
1972	>	}});
1973	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1974		} finally {
1975	<	tpe.shutdown();
1975	>	joinPool(e);
1976		}
590	–	joinPool(tpe);
1977		}
1978	<
1978	>
1979	>	/**
1980	>	* allowsCoreThreadTimeOut is by default false.
1981	>	*/
1982	>	public void testAllowsCoreThreadTimeOut() {
1983	>	final ThreadPoolExecutor p =
1984	>	new ThreadPoolExecutor(2, 2,
1985	>	1000, MILLISECONDS,
1986	>	new ArrayBlockingQueue<Runnable>(10));
1987	>	assertFalse(p.allowsCoreThreadTimeOut());
1988	>	joinPool(p);
1989	>	}
1990	>
1991	>	/**
1992	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1993	>	*/
1994	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1995	>	long keepAliveTime = timeoutMillis();
1996	>	final ThreadPoolExecutor p =
1997	>	new ThreadPoolExecutor(2, 10,
1998	>	keepAliveTime, MILLISECONDS,
1999	>	new ArrayBlockingQueue<Runnable>(10));
2000	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2001	>	try {
2002	>	p.allowCoreThreadTimeOut(true);
2003	>	p.execute(new CheckedRunnable() {
2004	>	public void realRun() {
2005	>	threadStarted.countDown();
2006	>	assertEquals(1, p.getPoolSize());
2007	>	}});
2008	>	await(threadStarted);
2009	>	delay(keepAliveTime);
2010	>	long startTime = System.nanoTime();
2011	>	while (p.getPoolSize() > 0
2012	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2013	>	Thread.yield();
2014	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2015	>	assertEquals(0, p.getPoolSize());
2016	>	} finally {
2017	>	joinPool(p);
2018	>	}
2019	>	}
2020	>
2021	>	/**
2022	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2023	>	*/
2024	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2025	>	long keepAliveTime = timeoutMillis();
2026	>	final ThreadPoolExecutor p =
2027	>	new ThreadPoolExecutor(2, 10,
2028	>	keepAliveTime, MILLISECONDS,
2029	>	new ArrayBlockingQueue<Runnable>(10));
2030	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2031	>	try {
2032	>	p.allowCoreThreadTimeOut(false);
2033	>	p.execute(new CheckedRunnable() {
2034	>	public void realRun() throws InterruptedException {
2035	>	threadStarted.countDown();
2036	>	assertTrue(p.getPoolSize() >= 1);
2037	>	}});
2038	>	delay(2 * keepAliveTime);
2039	>	assertTrue(p.getPoolSize() >= 1);
2040	>	} finally {
2041	>	joinPool(p);
2042	>	}
2043	>	}
2044	>
2045	>	/**
2046	>	* execute allows the same task to be submitted multiple times, even
2047	>	* if rejected
2048	>	*/
2049	>	public void testRejectedRecycledTask() throws InterruptedException {
2050	>	final int nTasks = 1000;
2051	>	final CountDownLatch done = new CountDownLatch(nTasks);
2052	>	final Runnable recycledTask = new Runnable() {
2053	>	public void run() {
2054	>	done.countDown();
2055	>	}};
2056	>	final ThreadPoolExecutor p =
2057	>	new ThreadPoolExecutor(1, 30,
2058	>	60, SECONDS,
2059	>	new ArrayBlockingQueue(30));
2060	>	try {
2061	>	for (int i = 0; i < nTasks; ++i) {
2062	>	for (;;) {
2063	>	try {
2064	>	p.execute(recycledTask);
2065	>	break;
2066	>	}
2067	>	catch (RejectedExecutionException ignore) {}
2068	>	}
2069	>	}
2070	>	// enough time to run all tasks
2071	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2072	>	} finally {
2073	>	joinPool(p);
2074	>	}
2075	>	}
2076	>
2077	>	/**
2078	>	* get(cancelled task) throws CancellationException
2079	>	*/
2080	>	public void testGet_cancelled() throws Exception {
2081	>	final ExecutorService e =
2082	>	new ThreadPoolExecutor(1, 1,
2083	>	LONG_DELAY_MS, MILLISECONDS,
2084	>	new LinkedBlockingQueue<Runnable>());
2085	>	try {
2086	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2087	>	final CountDownLatch done = new CountDownLatch(1);
2088	>	final List<Future<?>> futures = new ArrayList<>();
2089	>	for (int i = 0; i < 2; i++) {
2090	>	Runnable r = new CheckedRunnable() { public void realRun()
2091	>	throws Throwable {
2092	>	blockerStarted.countDown();
2093	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2094	>	}};
2095	>	futures.add(e.submit(r));
2096	>	}
2097	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2098	>	for (Future<?> future : futures) future.cancel(false);
2099	>	for (Future<?> future : futures) {
2100	>	try {
2101	>	future.get();
2102	>	shouldThrow();
2103	>	} catch (CancellationException success) {}
2104	>	try {
2105	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2106	>	shouldThrow();
2107	>	} catch (CancellationException success) {}
2108	>	assertTrue(future.isCancelled());
2109	>	assertTrue(future.isDone());
2110	>	}
2111	>	done.countDown();
2112	>	} finally {
2113	>	joinPool(e);
2114	>	}
2115	>	}
2116	>
2117		}

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