ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.89 by jsr166, Sun Oct 4 02:49:18 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 TestCase{
37	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
16	–
17	–
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
45	<	private static long SHORT_DELAY_MS = 100;
46	<	private static long MEDIUM_DELAY_MS = 1000;
47	<	private static long LONG_DELAY_MS = 10000;
48	<
49	<	//---- testThread class to implement ThreadFactory for use in constructors
50	<	static class testThread implements ThreadFactory{
51	<	public Thread newThread(Runnable r){
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	<	}
79	>	}
80		}
81
82	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
83	<	static class testReject implements RejectedExecutionHandler{
84	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
82	>	/**
83	>	* execute successfully executes a runnable
84	>	*/
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	<	public Runnable newRunnable(){
100	<	return new Runnable(){
101	<	public void run(){
102	<	try{Thread.sleep(MEDIUM_DELAY_MS);
103	<	} catch(Exception e){
104	<	}
105	<	}
106	<	};
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	>	* 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 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	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
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	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521	>	}
522	>	}
523	>
524	>	/**
525	>	* getQueue returns the work queue, which contains queued tasks
526	>	*/
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	done.countDown();
554	>	}
555	>	}
556	>
557	>	/**
558	>	* remove(task) removes queued task, and fails to remove active task
559	>	*/
560	>	public void testRemove() throws InterruptedException {
561	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562	>	final ThreadPoolExecutor p =
563	>	new ThreadPoolExecutor(1, 1,
564	>	LONG_DELAY_MS, MILLISECONDS,
565	>	q);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	Runnable[] tasks = new Runnable[6];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	tasks[i] = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	p.execute(tasks[i]);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	assertFalse(p.remove(tasks[0]));
580	>	assertTrue(q.contains(tasks[4]));
581	>	assertTrue(q.contains(tasks[3]));
582	>	assertTrue(p.remove(tasks[4]));
583	>	assertFalse(p.remove(tasks[4]));
584	>	assertFalse(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[3]));
587	>	assertFalse(q.contains(tasks[3]));
588	>	done.countDown();
589	>	}
590	>	}
591	>
592	>	/**
593	>	* purge removes cancelled tasks from the queue
594	>	*/
595	>	public void testPurge() throws InterruptedException {
596	>	final CountDownLatch threadStarted = new CountDownLatch(1);
597	>	final CountDownLatch done = new CountDownLatch(1);
598	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599	>	final ThreadPoolExecutor p =
600	>	new ThreadPoolExecutor(1, 1,
601	>	LONG_DELAY_MS, MILLISECONDS,
602	>	q);
603	>	try (PoolCleaner cleaner = cleaner(p)) {
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Callable task = new CheckedCallable<Boolean>() {
607	>	public Boolean realCall() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	done.await();
610	>	return Boolean.TRUE;
611	>	}};
612	>	tasks[i] = new FutureTask(task);
613	>	p.execute(tasks[i]);
614	>	}
615	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616	>	assertEquals(tasks.length, p.getTaskCount());
617	>	assertEquals(tasks.length - 1, q.size());
618	>	assertEquals(1L, p.getActiveCount());
619	>	assertEquals(0L, p.getCompletedTaskCount());
620	>	tasks[4].cancel(true);
621	>	tasks[3].cancel(false);
622	>	p.purge();
623	>	assertEquals(tasks.length - 3, q.size());
624	>	assertEquals(tasks.length - 2, p.getTaskCount());
625	>	p.purge();         // Nothing to do
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	done.countDown();
629	>	}
630		}
631
48	–
632		/**
633	<	*  Test to verify that execute successfully executes a runnable
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635		*/
636	<	public void testExecute(){
637	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ThreadPoolExecutor p =
641	>	new ThreadPoolExecutor(poolSize, poolSize,
642	>	LONG_DELAY_MS, MILLISECONDS,
643	>	new ArrayBlockingQueue<Runnable>(10));
644	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
646	>	threadsStarted.countDown();
647	>	try {
648	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649	>	} catch (InterruptedException success) {}
650	>	ran.getAndIncrement();
651	>	}};
652	>	for (int i = 0; i < count; i++)
653	>	p.execute(waiter);
654	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655	>	assertEquals(poolSize, p.getActiveCount());
656	>	assertEquals(0, p.getCompletedTaskCount());
657	>	final List<Runnable> queuedTasks;
658		try {
659	<	one.execute(new Runnable(){
660	<	public void run(){
661	<	try{
662	<	Thread.sleep(SHORT_DELAY_MS);
663	<	} catch(InterruptedException e){
664	<	fail("unexpected exception");
665	<	}
666	<	}
667	<	});
668	<	Thread.sleep(SHORT_DELAY_MS * 2);
669	<	} catch(InterruptedException e){
670	<	fail("unexpected exception");
671	<	} finally {
672	<	one.shutdown();
659	>	queuedTasks = p.shutdownNow();
660	>	} catch (SecurityException ok) {
661	>	return; // Allowed in case test doesn't have privs
662	>	}
663	>	assertTrue(p.isShutdown());
664	>	assertTrue(p.getQueue().isEmpty());
665	>	assertEquals(count - poolSize, queuedTasks.size());
666	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667	>	assertTrue(p.isTerminated());
668	>	assertEquals(poolSize, ran.get());
669	>	assertEquals(poolSize, p.getCompletedTaskCount());
670	>	}
671	>
672	>	// Exception Tests
673	>
674	>	/**
675	>	* Constructor throws if corePoolSize argument is less than zero
676	>	*/
677	>	public void testConstructor1() {
678	>	try {
679	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680	>	new ArrayBlockingQueue<Runnable>(10));
681	>	shouldThrow();
682	>	} catch (IllegalArgumentException success) {}
683	>	}
684	>
685	>	/**
686	>	* Constructor throws if maximumPoolSize is less than zero
687	>	*/
688	>	public void testConstructor2() {
689	>	try {
690	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692	>	shouldThrow();
693	>	} catch (IllegalArgumentException success) {}
694	>	}
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698	>	*/
699	>	public void testConstructor3() {
700	>	try {
701	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703	>	shouldThrow();
704	>	} catch (IllegalArgumentException success) {}
705	>	}
706	>
707	>	/**
708	>	* Constructor throws if keepAliveTime is less than zero
709	>	*/
710	>	public void testConstructor4() {
711	>	try {
712	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714	>	shouldThrow();
715	>	} catch (IllegalArgumentException success) {}
716	>	}
717	>
718	>	/**
719	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
720	>	*/
721	>	public void testConstructor5() {
722	>	try {
723	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725	>	shouldThrow();
726	>	} catch (IllegalArgumentException success) {}
727	>	}
728	>
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731	>	*/
732	>	public void testConstructorNullPointerException() {
733	>	try {
734	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735	>	(BlockingQueue) null);
736	>	shouldThrow();
737	>	} catch (NullPointerException success) {}
738	>	}
739	>
740	>	/**
741	>	* Constructor throws if corePoolSize argument is less than zero
742	>	*/
743	>	public void testConstructor6() {
744	>	try {
745	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748	>	shouldThrow();
749	>	} catch (IllegalArgumentException success) {}
750	>	}
751	>
752	>	/**
753	>	* Constructor throws if maximumPoolSize is less than zero
754	>	*/
755	>	public void testConstructor7() {
756	>	try {
757	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760	>	shouldThrow();
761	>	} catch (IllegalArgumentException success) {}
762	>	}
763	>
764	>	/**
765	>	* Constructor throws if maximumPoolSize is equal to zero
766	>	*/
767	>	public void testConstructor8() {
768	>	try {
769	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772	>	shouldThrow();
773	>	} catch (IllegalArgumentException success) {}
774	>	}
775	>
776	>	/**
777	>	* Constructor throws if keepAliveTime is less than zero
778	>	*/
779	>	public void testConstructor9() {
780	>	try {
781	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784	>	shouldThrow();
785	>	} catch (IllegalArgumentException success) {}
786	>	}
787	>
788	>	/**
789	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
790	>	*/
791	>	public void testConstructor10() {
792	>	try {
793	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796	>	shouldThrow();
797	>	} catch (IllegalArgumentException success) {}
798	>	}
799	>
800	>	/**
801	>	* Constructor throws if workQueue is set to null
802	>	*/
803	>	public void testConstructorNullPointerException2() {
804	>	try {
805	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806	>	(BlockingQueue) null,
807	>	new SimpleThreadFactory());
808	>	shouldThrow();
809	>	} catch (NullPointerException success) {}
810	>	}
811	>
812	>	/**
813	>	* Constructor throws if threadFactory is set to null
814	>	*/
815	>	public void testConstructorNullPointerException3() {
816	>	try {
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	(ThreadFactory) null);
820	>	shouldThrow();
821	>	} catch (NullPointerException success) {}
822	>	}
823	>
824	>	/**
825	>	* Constructor throws if corePoolSize argument is less than zero
826	>	*/
827	>	public void testConstructor11() {
828	>	try {
829	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832	>	shouldThrow();
833	>	} catch (IllegalArgumentException success) {}
834	>	}
835	>
836	>	/**
837	>	* Constructor throws if maximumPoolSize is less than zero
838	>	*/
839	>	public void testConstructor12() {
840	>	try {
841	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844	>	shouldThrow();
845	>	} catch (IllegalArgumentException success) {}
846	>	}
847	>
848	>	/**
849	>	* Constructor throws if maximumPoolSize is equal to zero
850	>	*/
851	>	public void testConstructor13() {
852	>	try {
853	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856	>	shouldThrow();
857	>	} catch (IllegalArgumentException success) {}
858	>	}
859	>
860	>	/**
861	>	* Constructor throws if keepAliveTime is less than zero
862	>	*/
863	>	public void testConstructor14() {
864	>	try {
865	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868	>	shouldThrow();
869	>	} catch (IllegalArgumentException success) {}
870	>	}
871	>
872	>	/**
873	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
874	>	*/
875	>	public void testConstructor15() {
876	>	try {
877	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880	>	shouldThrow();
881	>	} catch (IllegalArgumentException success) {}
882	>	}
883	>
884	>	/**
885	>	* Constructor throws if workQueue is set to null
886	>	*/
887	>	public void testConstructorNullPointerException4() {
888	>	try {
889	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890	>	(BlockingQueue) null,
891	>	new NoOpREHandler());
892	>	shouldThrow();
893	>	} catch (NullPointerException success) {}
894	>	}
895	>
896	>	/**
897	>	* Constructor throws if handler is set to null
898	>	*/
899	>	public void testConstructorNullPointerException5() {
900	>	try {
901	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	(RejectedExecutionHandler) null);
904	>	shouldThrow();
905	>	} catch (NullPointerException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if corePoolSize argument is less than zero
910	>	*/
911	>	public void testConstructor16() {
912	>	try {
913	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914	>	new ArrayBlockingQueue<Runnable>(10),
915	>	new SimpleThreadFactory(),
916	>	new NoOpREHandler());
917	>	shouldThrow();
918	>	} catch (IllegalArgumentException success) {}
919	>	}
920	>
921	>	/**
922	>	* Constructor throws if maximumPoolSize is less than zero
923	>	*/
924	>	public void testConstructor17() {
925	>	try {
926	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927	>	new ArrayBlockingQueue<Runnable>(10),
928	>	new SimpleThreadFactory(),
929	>	new NoOpREHandler());
930	>	shouldThrow();
931	>	} catch (IllegalArgumentException success) {}
932	>	}
933	>
934	>	/**
935	>	* Constructor throws if maximumPoolSize is equal to zero
936	>	*/
937	>	public void testConstructor18() {
938	>	try {
939	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943	>	shouldThrow();
944	>	} catch (IllegalArgumentException success) {}
945	>	}
946	>
947	>	/**
948	>	* Constructor throws if keepAliveTime is less than zero
949	>	*/
950	>	public void testConstructor19() {
951	>	try {
952	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956	>	shouldThrow();
957	>	} catch (IllegalArgumentException success) {}
958	>	}
959	>
960	>	/**
961	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
962	>	*/
963	>	public void testConstructor20() {
964	>	try {
965	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969	>	shouldThrow();
970	>	} catch (IllegalArgumentException success) {}
971	>	}
972	>
973	>	/**
974	>	* Constructor throws if workQueue is null
975	>	*/
976	>	public void testConstructorNullPointerException6() {
977	>	try {
978	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979	>	(BlockingQueue) null,
980	>	new SimpleThreadFactory(),
981	>	new NoOpREHandler());
982	>	shouldThrow();
983	>	} catch (NullPointerException success) {}
984	>	}
985	>
986	>	/**
987	>	* Constructor throws if handler is null
988	>	*/
989	>	public void testConstructorNullPointerException7() {
990	>	try {
991	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	>	new ArrayBlockingQueue<Runnable>(10),
993	>	new SimpleThreadFactory(),
994	>	(RejectedExecutionHandler) null);
995	>	shouldThrow();
996	>	} catch (NullPointerException success) {}
997	>	}
998	>
999	>	/**
1000	>	* Constructor throws if ThreadFactory is null
1001	>	*/
1002	>	public void testConstructorNullPointerException8() {
1003	>	try {
1004	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	>	new ArrayBlockingQueue<Runnable>(10),
1006	>	(ThreadFactory) null,
1007	>	new NoOpREHandler());
1008	>	shouldThrow();
1009	>	} catch (NullPointerException success) {}
1010	>	}
1011	>
1012	>	/**
1013	>	* get of submitted callable throws InterruptedException if interrupted
1014	>	*/
1015	>	public void testInterruptedSubmit() throws InterruptedException {
1016	>	final ThreadPoolExecutor p =
1017	>	new ThreadPoolExecutor(1, 1,
1018	>	60, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10));
1020	>
1021	>	try (PoolCleaner cleaner = cleaner(p)) {
1022	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1023	>	final CountDownLatch done = new CountDownLatch(1);
1024	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025	>	public void realRun() throws Exception {
1026	>	Callable task = new CheckedCallable<Boolean>() {
1027	>	public Boolean realCall() throws InterruptedException {
1028	>	threadStarted.countDown();
1029	>	done.await();
1030	>	return Boolean.TRUE;
1031	>	}};
1032	>	p.submit(task).get();
1033	>	}});
1034	>
1035	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036	>	t.interrupt();
1037	>	awaitTermination(t, MEDIUM_DELAY_MS);
1038	>	done.countDown();
1039	>	}
1040	>	}
1041	>
1042	>	/**
1043	>	* execute throws RejectedExecutionException if saturated.
1044	>	*/
1045	>	public void testSaturatedExecute() {
1046	>	final ThreadPoolExecutor p =
1047	>	new ThreadPoolExecutor(1, 1,
1048	>	LONG_DELAY_MS, MILLISECONDS,
1049	>	new ArrayBlockingQueue<Runnable>(1));
1050	>	try (PoolCleaner cleaner = cleaner(p)) {
1051	>	final CountDownLatch done = new CountDownLatch(1);
1052	>	Runnable task = new CheckedRunnable() {
1053	>	public void realRun() throws InterruptedException {
1054	>	done.await();
1055	>	}};
1056	>	for (int i = 0; i < 2; ++i)
1057	>	p.execute(task);
1058	>	for (int i = 0; i < 2; ++i) {
1059	>	try {
1060	>	p.execute(task);
1061	>	shouldThrow();
1062	>	} catch (RejectedExecutionException success) {}
1063	>	assertTrue(p.getTaskCount() <= 2);
1064	>	}
1065	>	done.countDown();
1066		}
1067		}
1068
1069		/**
1070	<	*  Test to verify getActiveCount gives correct values
1070	>	* submit(runnable) throws RejectedExecutionException if saturated.
1071		*/
1072	<	public void testGetActiveCount(){
1073	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1072	>	public void testSaturatedSubmitRunnable() {
1073	>	ThreadPoolExecutor p =
1074	>	new ThreadPoolExecutor(1, 1,
1075	>	LONG_DELAY_MS, MILLISECONDS,
1076	>	new ArrayBlockingQueue<Runnable>(1));
1077	>	final CountDownLatch done = new CountDownLatch(1);
1078		try {
1079	<	assertEquals(0, two.getActiveCount());
1080	<	two.execute(newRunnable());
1081	<	try{Thread.sleep(10);} catch(Exception e){}
1082	<	assertEquals(1, two.getActiveCount());
1079	>	Runnable task = new CheckedRunnable() {
1080	>	public void realRun() throws InterruptedException {
1081	>	done.await();
1082	>	}};
1083	>	for (int i = 0; i < 2; ++i)
1084	>	p.submit(task);
1085	>	for (int i = 0; i < 2; ++i) {
1086	>	try {
1087	>	p.execute(task);
1088	>	shouldThrow();
1089	>	} catch (RejectedExecutionException success) {}
1090	>	assertTrue(p.getTaskCount() <= 2);
1091	>	}
1092		} finally {
1093	<	two.shutdown();
1093	>	done.countDown();
1094	>	joinPool(p);
1095		}
1096		}
1097	<
1097	>
1098		/**
1099	<	*  Test to verify getCompleteTaskCount gives correct values
1099	>	* submit(callable) throws RejectedExecutionException if saturated.
1100		*/
1101	<	public void testGetCompletedTaskCount(){
1102	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1101	>	public void testSaturatedSubmitCallable() {
1102	>	ThreadPoolExecutor p =
1103	>	new ThreadPoolExecutor(1, 1,
1104	>	LONG_DELAY_MS, MILLISECONDS,
1105	>	new ArrayBlockingQueue<Runnable>(1));
1106	>	final CountDownLatch done = new CountDownLatch(1);
1107		try {
1108	<	assertEquals(0, two.getCompletedTaskCount());
1109	<	two.execute(newRunnable());
1110	<	try{Thread.sleep(2000);} catch(Exception e){}
1111	<	assertEquals(1, two.getCompletedTaskCount());
1108	>	Runnable task = new CheckedRunnable() {
1109	>	public void realRun() throws InterruptedException {
1110	>	done.await();
1111	>	}};
1112	>	for (int i = 0; i < 2; ++i)
1113	>	p.submit(Executors.callable(task));
1114	>	for (int i = 0; i < 2; ++i) {
1115	>	try {
1116	>	p.execute(task);
1117	>	shouldThrow();
1118	>	} catch (RejectedExecutionException success) {}
1119	>	assertTrue(p.getTaskCount() <= 2);
1120	>	}
1121		} finally {
1122	<	two.shutdown();
1122	>	done.countDown();
1123	>	joinPool(p);
1124		}
1125		}
1126	<
1126	>
1127		/**
1128	<	*  Test to verify getCorePoolSize gives correct values
1128	>	* executor using CallerRunsPolicy runs task if saturated.
1129		*/
1130	<	public void testGetCorePoolSize(){
1131	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1130	>	public void testSaturatedExecute2() {
1131	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1132	>	final ThreadPoolExecutor p =
1133	>	new ThreadPoolExecutor(1, 1,
1134	>	LONG_DELAY_MS,
1135	>	MILLISECONDS,
1136	>	new ArrayBlockingQueue<Runnable>(1),
1137	>	h);
1138		try {
1139	<	assertEquals(1, one.getCorePoolSize());
1139	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1140	>	for (int i = 0; i < tasks.length; ++i)
1141	>	tasks[i] = new TrackedNoOpRunnable();
1142	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1143	>	p.execute(mr);
1144	>	for (int i = 0; i < tasks.length; ++i)
1145	>	p.execute(tasks[i]);
1146	>	for (int i = 1; i < tasks.length; ++i)
1147	>	assertTrue(tasks[i].done);
1148	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1149		} finally {
1150	<	one.shutdown();
1150	>	joinPool(p);
1151		}
1152		}
1153	<
1153	>
1154		/**
1155	<	*  Test to verify getKeepAliveTime gives correct values
1155	>	* executor using DiscardPolicy drops task if saturated.
1156		*/
1157	<	public void testGetKeepAliveTime(){
1158	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1157	>	public void testSaturatedExecute3() {
1158	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1159	>	final ThreadPoolExecutor p =
1160	>	new ThreadPoolExecutor(1, 1,
1161	>	LONG_DELAY_MS, MILLISECONDS,
1162	>	new ArrayBlockingQueue<Runnable>(1),
1163	>	h);
1164		try {
1165	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
1165	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1166	>	for (int i = 0; i < tasks.length; ++i)
1167	>	tasks[i] = new TrackedNoOpRunnable();
1168	>	p.execute(new TrackedLongRunnable());
1169	>	for (TrackedNoOpRunnable task : tasks)
1170	>	p.execute(task);
1171	>	for (TrackedNoOpRunnable task : tasks)
1172	>	assertFalse(task.done);
1173	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1174		} finally {
1175	<	two.shutdown();
1175	>	joinPool(p);
1176		}
1177		}
1178	<
1178	>
1179		/**
1180	<	*  Test to verify getLargestPoolSize gives correct values
1180	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1181		*/
1182	<	public void testGetLargestPoolSize(){
1183	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1182	>	public void testSaturatedExecute4() {
1183	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1184	>	final ThreadPoolExecutor p =
1185	>	new ThreadPoolExecutor(1, 1,
1186	>	LONG_DELAY_MS, MILLISECONDS,
1187	>	new ArrayBlockingQueue<Runnable>(1),
1188	>	h);
1189		try {
1190	<	assertEquals(0, two.getLargestPoolSize());
1191	<	two.execute(newRunnable());
1192	<	two.execute(newRunnable());
1193	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
1194	<	assertEquals(2, two.getLargestPoolSize());
1190	>	p.execute(new TrackedLongRunnable());
1191	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1192	>	p.execute(r2);
1193	>	assertTrue(p.getQueue().contains(r2));
1194	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1195	>	p.execute(r3);
1196	>	assertFalse(p.getQueue().contains(r2));
1197	>	assertTrue(p.getQueue().contains(r3));
1198	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1199		} finally {
1200	<	two.shutdown();
1200	>	joinPool(p);
1201		}
1202		}
1203	<
1203	>
1204	>	/**
1205	>	* execute throws RejectedExecutionException if shutdown
1206	>	*/
1207	>	public void testRejectedExecutionExceptionOnShutdown() {
1208	>	ThreadPoolExecutor p =
1209	>	new ThreadPoolExecutor(1, 1,
1210	>	LONG_DELAY_MS, MILLISECONDS,
1211	>	new ArrayBlockingQueue<Runnable>(1));
1212	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1213	>	try {
1214	>	p.execute(new NoOpRunnable());
1215	>	shouldThrow();
1216	>	} catch (RejectedExecutionException success) {}
1217	>
1218	>	joinPool(p);
1219	>	}
1220	>
1221		/**
1222	<	*  Test to verify getMaximumPoolSize gives correct values
1222	>	* execute using CallerRunsPolicy drops task on shutdown
1223		*/
1224	<	public void testGetMaximumPoolSize(){
1225	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1224	>	public void testCallerRunsOnShutdown() {
1225	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1226	>	final ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(1, 1,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(1), h);
1230	>
1231	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1232		try {
1233	<	assertEquals(2, two.getMaximumPoolSize());
1233	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1234	>	p.execute(r);
1235	>	assertFalse(r.done);
1236		} finally {
1237	<	two.shutdown();
1237	>	joinPool(p);
1238		}
1239		}
1240	<
1240	>
1241		/**
1242	<	*  Test to verify getPoolSize gives correct values
1242	>	* execute using DiscardPolicy drops task on shutdown
1243		*/
1244	<	public void testGetPoolSize(){
1245	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1246	<	try {
1247	<	assertEquals(0, one.getPoolSize());
1248	<	one.execute(newRunnable());
1249	<	assertEquals(1, one.getPoolSize());
1244	>	public void testDiscardOnShutdown() {
1245	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1246	>	ThreadPoolExecutor p =
1247	>	new ThreadPoolExecutor(1, 1,
1248	>	LONG_DELAY_MS, MILLISECONDS,
1249	>	new ArrayBlockingQueue<Runnable>(1),
1250	>	h);
1251	>
1252	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1253	>	try {
1254	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1255	>	p.execute(r);
1256	>	assertFalse(r.done);
1257		} finally {
1258	<	one.shutdown();
1258	>	joinPool(p);
1259		}
1260		}
1261	<
1261	>
1262		/**
1263	<	*  Test to verify getTaskCount gives correct values
1263	>	* execute using DiscardOldestPolicy drops task on shutdown
1264		*/
1265	<	public void testGetTaskCount(){
1266	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1265	>	public void testDiscardOldestOnShutdown() {
1266	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1267	>	ThreadPoolExecutor p =
1268	>	new ThreadPoolExecutor(1, 1,
1269	>	LONG_DELAY_MS, MILLISECONDS,
1270	>	new ArrayBlockingQueue<Runnable>(1),
1271	>	h);
1272	>
1273	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1274		try {
1275	<	assertEquals(0, one.getTaskCount());
1276	<	for(int i = 0; i < 5; i++)
1277	<	one.execute(newRunnable());
177	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
178	<	assertEquals(5, one.getTaskCount());
1275	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1276	>	p.execute(r);
1277	>	assertFalse(r.done);
1278		} finally {
1279	<	one.shutdown();
1279	>	joinPool(p);
1280		}
1281		}
1282	<
1282	>
1283		/**
1284	<	*  Test to verify isShutDown gives correct values
1284	>	* execute(null) throws NPE
1285		*/
1286	<	public void testIsShutdown(){
1287	<
1288	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1286	>	public void testExecuteNull() {
1287	>	ThreadPoolExecutor p =
1288	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1289	>	new ArrayBlockingQueue<Runnable>(10));
1290		try {
1291	<	assertFalse(one.isShutdown());
1292	<	}
1293	<	finally {
1294	<	one.shutdown();
1295	<	}
196	<	assertTrue(one.isShutdown());
1291	>	p.execute(null);
1292	>	shouldThrow();
1293	>	} catch (NullPointerException success) {}
1294	>
1295	>	joinPool(p);
1296		}
1297
199	–
1298		/**
1299	<	*  Test to verify isTerminated gives correct values
202	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
1299	>	* setCorePoolSize of negative value throws IllegalArgumentException
1300		*/
1301	<	public void testIsTerminated(){
1302	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1301	>	public void testCorePoolSizeIllegalArgumentException() {
1302	>	ThreadPoolExecutor p =
1303	>	new ThreadPoolExecutor(1, 2,
1304	>	LONG_DELAY_MS, MILLISECONDS,
1305	>	new ArrayBlockingQueue<Runnable>(10));
1306		try {
1307	<	one.execute(newRunnable());
1307	>	p.setCorePoolSize(-1);
1308	>	shouldThrow();
1309	>	} catch (IllegalArgumentException success) {
1310		} finally {
1311	<	one.shutdown();
1311	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1312		}
1313	<	boolean flag = false;
213	<	try{
214	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
215	<	} catch(Exception e){}
216	<	assertTrue(one.isTerminated());
217	<	if(!flag)
218	<	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
1313	>	joinPool(p);
1314		}
1315
1316		/**
1317	<	*  Test to verify that purge correctly removes cancelled tasks
1318	<	*  from the queue
1317	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1318	>	* given a value less the core pool size
1319		*/
1320	<	public void testPurge(){
1321	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1320	>	public void testMaximumPoolSizeIllegalArgumentException() {
1321	>	ThreadPoolExecutor p =
1322	>	new ThreadPoolExecutor(2, 3,
1323	>	LONG_DELAY_MS, MILLISECONDS,
1324	>	new ArrayBlockingQueue<Runnable>(10));
1325		try {
1326	<	CancellableTask[] tasks = new CancellableTask[5];
1327	<	for(int i = 0; i < 5; i++){
1328	<	tasks[i] = new CancellableTask(newRunnable());
231	<	one.execute(tasks[i]);
232	<	}
233	<	tasks[4].cancel(true);
234	<	tasks[3].cancel(true);
235	<	one.purge();
236	<	long count = one.getTaskCount();
237	<	assertTrue(count >= 2 && count < 5);
1326	>	p.setMaximumPoolSize(1);
1327	>	shouldThrow();
1328	>	} catch (IllegalArgumentException success) {
1329		} finally {
1330	<	one.shutdown();
1330	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1331		}
1332	+	joinPool(p);
1333		}
1334
1335		/**
1336	<	*  Test to verify shutDownNow returns a list
1337	<	*  containing the correct number of elements
1336	>	* setMaximumPoolSize throws IllegalArgumentException
1337	>	* if given a negative value
1338		*/
1339	<	public void testShutDownNow(){
1340	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1341	<	List l;
1339	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1340	>	ThreadPoolExecutor p =
1341	>	new ThreadPoolExecutor(2, 3,
1342	>	LONG_DELAY_MS, MILLISECONDS,
1343	>	new ArrayBlockingQueue<Runnable>(10));
1344		try {
1345	<	for(int i = 0; i < 5; i++)
1346	<	one.execute(newRunnable());
1345	>	p.setMaximumPoolSize(-1);
1346	>	shouldThrow();
1347	>	} catch (IllegalArgumentException success) {
1348	>	} finally {
1349	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1350		}
1351	<	finally {
1352	<	l = one.shutdownNow();
1351	>	joinPool(p);
1352	>	}
1353	>
1354	>	/**
1355	>	* Configuration changes that allow core pool size greater than
1356	>	* max pool size result in IllegalArgumentException.
1357	>	*/
1358	>	public void testPoolSizeInvariants() {
1359	>	ThreadPoolExecutor p =
1360	>	new ThreadPoolExecutor(1, 1,
1361	>	LONG_DELAY_MS, MILLISECONDS,
1362	>	new ArrayBlockingQueue<Runnable>(10));
1363	>	for (int s = 1; s < 5; s++) {
1364	>	p.setMaximumPoolSize(s);
1365	>	p.setCorePoolSize(s);
1366	>	try {
1367	>	p.setMaximumPoolSize(s - 1);
1368	>	shouldThrow();
1369	>	} catch (IllegalArgumentException success) {}
1370	>	assertEquals(s, p.getCorePoolSize());
1371	>	assertEquals(s, p.getMaximumPoolSize());
1372	>	try {
1373	>	p.setCorePoolSize(s + 1);
1374	>	shouldThrow();
1375	>	} catch (IllegalArgumentException success) {}
1376	>	assertEquals(s, p.getCorePoolSize());
1377	>	assertEquals(s, p.getMaximumPoolSize());
1378		}
1379	<	assertTrue(one.isShutdown());
258	<	assertTrue(l.size() <= 4);
1379	>	joinPool(p);
1380		}
1381
1382	<
1383	<
1384	<
1385	<
1386	<
1387	<	// Exception Tests
1388	<
1382	>	/**
1383	>	* setKeepAliveTime throws IllegalArgumentException
1384	>	* when given a negative value
1385	>	*/
1386	>	public void testKeepAliveTimeIllegalArgumentException() {
1387	>	ThreadPoolExecutor p =
1388	>	new ThreadPoolExecutor(2, 3,
1389	>	LONG_DELAY_MS, MILLISECONDS,
1390	>	new ArrayBlockingQueue<Runnable>(10));
1391	>	try {
1392	>	p.setKeepAliveTime(-1,MILLISECONDS);
1393	>	shouldThrow();
1394	>	} catch (IllegalArgumentException success) {
1395	>	} finally {
1396	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1397	>	}
1398	>	joinPool(p);
1399	>	}
1400
1401	<	//---- Tests if corePoolSize argument is less than zero
1402	<	public void testConstructor1() {
1403	<	try{
1404	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1405	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1401	>	/**
1402	>	* terminated() is called on termination
1403	>	*/
1404	>	public void testTerminated() {
1405	>	ExtendedTPE p = new ExtendedTPE();
1406	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1407	>	assertTrue(p.terminatedCalled());
1408	>	joinPool(p);
1409	>	}
1410	>
1411	>	/**
1412	>	* beforeExecute and afterExecute are called when executing task
1413	>	*/
1414	>	public void testBeforeAfter() throws InterruptedException {
1415	>	ExtendedTPE p = new ExtendedTPE();
1416	>	try {
1417	>	final CountDownLatch done = new CountDownLatch(1);
1418	>	p.execute(new CheckedRunnable() {
1419	>	public void realRun() {
1420	>	done.countDown();
1421	>	}});
1422	>	await(p.afterCalled);
1423	>	assertEquals(0, done.getCount());
1424	>	assertTrue(p.afterCalled());
1425	>	assertTrue(p.beforeCalled());
1426	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1427	>	} finally {
1428	>	joinPool(p);
1429		}
275	–	catch (IllegalArgumentException i){}
1430		}
1431	<
1432	<	//---- Tests if maximumPoolSize is less than zero
1433	<	public void testConstructor2() {
1434	<	try{
1435	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1436	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1431	>
1432	>	/**
1433	>	* completed submit of callable returns result
1434	>	*/
1435	>	public void testSubmitCallable() throws Exception {
1436	>	ExecutorService e =
1437	>	new ThreadPoolExecutor(2, 2,
1438	>	LONG_DELAY_MS, MILLISECONDS,
1439	>	new ArrayBlockingQueue<Runnable>(10));
1440	>	try {
1441	>	Future<String> future = e.submit(new StringTask());
1442	>	String result = future.get();
1443	>	assertSame(TEST_STRING, result);
1444	>	} finally {
1445	>	joinPool(e);
1446		}
284	–	catch (IllegalArgumentException i2){}
1447		}
1448	<
1449	<	//---- Tests if maximumPoolSize is equal to zero
1450	<	public void testConstructor3() {
1451	<	try{
1452	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1453	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1448	>
1449	>	/**
1450	>	* completed submit of runnable returns successfully
1451	>	*/
1452	>	public void testSubmitRunnable() throws Exception {
1453	>	ExecutorService e =
1454	>	new ThreadPoolExecutor(2, 2,
1455	>	LONG_DELAY_MS, MILLISECONDS,
1456	>	new ArrayBlockingQueue<Runnable>(10));
1457	>	try {
1458	>	Future<?> future = e.submit(new NoOpRunnable());
1459	>	future.get();
1460	>	assertTrue(future.isDone());
1461	>	} finally {
1462	>	joinPool(e);
1463		}
293	–	catch (IllegalArgumentException i3){}
1464		}
1465
1466	<	//---- Tests if keepAliveTime is less than zero
1467	<	public void testConstructor4() {
1468	<	try{
1469	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
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	>	ExecutorService e =
1471	>	new ThreadPoolExecutor(2, 2,
1472	>	LONG_DELAY_MS, MILLISECONDS,
1473	>	new ArrayBlockingQueue<Runnable>(10));
1474	>	try {
1475	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1476	>	String result = future.get();
1477	>	assertSame(TEST_STRING, result);
1478	>	} finally {
1479	>	joinPool(e);
1480		}
302	–	catch (IllegalArgumentException i4){}
1481		}
1482
1483	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1484	<	public void testConstructor5() {
1485	<	try{
1486	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1487	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1483	>	/**
1484	>	* invokeAny(null) throws NPE
1485	>	*/
1486	>	public void testInvokeAny1() throws Exception {
1487	>	ExecutorService e =
1488	>	new ThreadPoolExecutor(2, 2,
1489	>	LONG_DELAY_MS, MILLISECONDS,
1490	>	new ArrayBlockingQueue<Runnable>(10));
1491	>	try {
1492	>	e.invokeAny(null);
1493	>	shouldThrow();
1494	>	} catch (NullPointerException success) {
1495	>	} finally {
1496	>	joinPool(e);
1497		}
311	–	catch (IllegalArgumentException i5){}
1498		}
1499	<
1500	<	//---- Tests if workQueue is set to null
1501	<	public void testNullPointerException() {
1502	<	try{
1503	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
1504	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1499	>
1500	>	/**
1501	>	* invokeAny(empty collection) throws IAE
1502	>	*/
1503	>	public void testInvokeAny2() throws Exception {
1504	>	ExecutorService e =
1505	>	new ThreadPoolExecutor(2, 2,
1506	>	LONG_DELAY_MS, MILLISECONDS,
1507	>	new ArrayBlockingQueue<Runnable>(10));
1508	>	try {
1509	>	e.invokeAny(new ArrayList<Callable<String>>());
1510	>	shouldThrow();
1511	>	} catch (IllegalArgumentException success) {
1512	>	} finally {
1513	>	joinPool(e);
1514		}
320	–	catch (NullPointerException n){}
1515		}
322	–
1516
1517	<
1518	<	//---- Tests if corePoolSize argument is less than zero
1519	<	public void testConstructor6() {
1520	<	try{
1521	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1522	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1523	<	} catch (IllegalArgumentException i6){}
1517	>	/**
1518	>	* invokeAny(c) throws NPE if c has null elements
1519	>	*/
1520	>	public void testInvokeAny3() throws Exception {
1521	>	final CountDownLatch latch = new CountDownLatch(1);
1522	>	final ExecutorService e =
1523	>	new ThreadPoolExecutor(2, 2,
1524	>	LONG_DELAY_MS, MILLISECONDS,
1525	>	new ArrayBlockingQueue<Runnable>(10));
1526	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1527	>	l.add(latchAwaitingStringTask(latch));
1528	>	l.add(null);
1529	>	try {
1530	>	e.invokeAny(l);
1531	>	shouldThrow();
1532	>	} catch (NullPointerException success) {
1533	>	} finally {
1534	>	latch.countDown();
1535	>	joinPool(e);
1536	>	}
1537		}
1538	<
1539	<	//---- Tests if maximumPoolSize is less than zero
1540	<	public void testConstructor7() {
1541	<	try{
1542	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1543	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1538	>
1539	>	/**
1540	>	* invokeAny(c) throws ExecutionException if no task completes
1541	>	*/
1542	>	public void testInvokeAny4() throws Exception {
1543	>	ExecutorService e =
1544	>	new ThreadPoolExecutor(2, 2,
1545	>	LONG_DELAY_MS, MILLISECONDS,
1546	>	new ArrayBlockingQueue<Runnable>(10));
1547	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1548	>	l.add(new NPETask());
1549	>	try {
1550	>	e.invokeAny(l);
1551	>	shouldThrow();
1552	>	} catch (ExecutionException success) {
1553	>	assertTrue(success.getCause() instanceof NullPointerException);
1554	>	} finally {
1555	>	joinPool(e);
1556		}
339	–	catch (IllegalArgumentException i7){}
1557		}
1558
1559	<	//---- Tests if maximumPoolSize is equal to zero
1560	<	public void testConstructor8() {
1561	<	try{
1562	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1563	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1559	>	/**
1560	>	* invokeAny(c) returns result of some task
1561	>	*/
1562	>	public void testInvokeAny5() throws Exception {
1563	>	ExecutorService e =
1564	>	new ThreadPoolExecutor(2, 2,
1565	>	LONG_DELAY_MS, MILLISECONDS,
1566	>	new ArrayBlockingQueue<Runnable>(10));
1567	>	try {
1568	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1569	>	l.add(new StringTask());
1570	>	l.add(new StringTask());
1571	>	String result = e.invokeAny(l);
1572	>	assertSame(TEST_STRING, result);
1573	>	} finally {
1574	>	joinPool(e);
1575		}
348	–	catch (IllegalArgumentException i8){}
1576		}
1577
1578	<	//---- Tests if keepAliveTime is less than zero
1579	<	public void testConstructor9() {
1580	<	try{
1581	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1582	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1578	>	/**
1579	>	* invokeAll(null) throws NPE
1580	>	*/
1581	>	public void testInvokeAll1() throws Exception {
1582	>	ExecutorService e =
1583	>	new ThreadPoolExecutor(2, 2,
1584	>	LONG_DELAY_MS, MILLISECONDS,
1585	>	new ArrayBlockingQueue<Runnable>(10));
1586	>	try {
1587	>	e.invokeAll(null);
1588	>	shouldThrow();
1589	>	} catch (NullPointerException success) {
1590	>	} finally {
1591	>	joinPool(e);
1592		}
357	–	catch (IllegalArgumentException i9){}
1593		}
1594
1595	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1596	<	public void testConstructor10() {
1597	<	try{
1598	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1599	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1595	>	/**
1596	>	* invokeAll(empty collection) returns empty collection
1597	>	*/
1598	>	public void testInvokeAll2() throws InterruptedException {
1599	>	ExecutorService e =
1600	>	new ThreadPoolExecutor(2, 2,
1601	>	LONG_DELAY_MS, MILLISECONDS,
1602	>	new ArrayBlockingQueue<Runnable>(10));
1603	>	try {
1604	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1605	>	assertTrue(r.isEmpty());
1606	>	} finally {
1607	>	joinPool(e);
1608		}
366	–	catch (IllegalArgumentException i10){}
1609		}
1610
1611	<	//---- Tests if workQueue is set to null
1612	<	public void testNullPointerException2() {
1613	<	try{
1614	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1615	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1611	>	/**
1612	>	* invokeAll(c) throws NPE if c has null elements
1613	>	*/
1614	>	public void testInvokeAll3() throws Exception {
1615	>	ExecutorService e =
1616	>	new ThreadPoolExecutor(2, 2,
1617	>	LONG_DELAY_MS, MILLISECONDS,
1618	>	new ArrayBlockingQueue<Runnable>(10));
1619	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1620	>	l.add(new StringTask());
1621	>	l.add(null);
1622	>	try {
1623	>	e.invokeAll(l);
1624	>	shouldThrow();
1625	>	} catch (NullPointerException success) {
1626	>	} finally {
1627	>	joinPool(e);
1628		}
375	–	catch (NullPointerException n2){}
1629		}
1630
1631	<	//---- Tests if threadFactory is set to null
1632	<	public void testNullPointerException3() {
1633	<	try{
1634	<	ThreadFactory f = null;
1635	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1636	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1631	>	/**
1632	>	* get of element of invokeAll(c) throws exception on failed task
1633	>	*/
1634	>	public void testInvokeAll4() throws Exception {
1635	>	ExecutorService e =
1636	>	new ThreadPoolExecutor(2, 2,
1637	>	LONG_DELAY_MS, MILLISECONDS,
1638	>	new ArrayBlockingQueue<Runnable>(10));
1639	>	try {
1640	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1641	>	l.add(new NPETask());
1642	>	List<Future<String>> futures = e.invokeAll(l);
1643	>	assertEquals(1, futures.size());
1644	>	try {
1645	>	futures.get(0).get();
1646	>	shouldThrow();
1647	>	} catch (ExecutionException success) {
1648	>	assertTrue(success.getCause() instanceof NullPointerException);
1649	>	}
1650	>	} finally {
1651	>	joinPool(e);
1652		}
385	–	catch (NullPointerException n3){}
1653		}
1654	<
1655	<
1656	<	//---- Tests if corePoolSize argument is less than zero
1657	<	public void testConstructor11() {
1658	<	try{
1659	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1660	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1654	>
1655	>	/**
1656	>	* invokeAll(c) returns results of all completed tasks
1657	>	*/
1658	>	public void testInvokeAll5() throws Exception {
1659	>	ExecutorService e =
1660	>	new ThreadPoolExecutor(2, 2,
1661	>	LONG_DELAY_MS, MILLISECONDS,
1662	>	new ArrayBlockingQueue<Runnable>(10));
1663	>	try {
1664	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1665	>	l.add(new StringTask());
1666	>	l.add(new StringTask());
1667	>	List<Future<String>> futures = e.invokeAll(l);
1668	>	assertEquals(2, futures.size());
1669	>	for (Future<String> future : futures)
1670	>	assertSame(TEST_STRING, future.get());
1671	>	} finally {
1672	>	joinPool(e);
1673		}
395	–	catch (IllegalArgumentException i11){}
1674		}
1675
1676	<	//---- Tests if maximumPoolSize is less than zero
1677	<	public void testConstructor12() {
1678	<	try{
1679	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1680	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1676	>	/**
1677	>	* timed invokeAny(null) throws NPE
1678	>	*/
1679	>	public void testTimedInvokeAny1() throws Exception {
1680	>	ExecutorService e =
1681	>	new ThreadPoolExecutor(2, 2,
1682	>	LONG_DELAY_MS, MILLISECONDS,
1683	>	new ArrayBlockingQueue<Runnable>(10));
1684	>	try {
1685	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1686	>	shouldThrow();
1687	>	} catch (NullPointerException success) {
1688	>	} finally {
1689	>	joinPool(e);
1690		}
404	–	catch (IllegalArgumentException i12){}
1691		}
1692
1693	<	//---- Tests if maximumPoolSize is equal to zero
1694	<	public void testConstructor13() {
1695	<	try{
1696	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1697	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1693	>	/**
1694	>	* timed invokeAny(,,null) throws NPE
1695	>	*/
1696	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1697	>	ExecutorService e =
1698	>	new ThreadPoolExecutor(2, 2,
1699	>	LONG_DELAY_MS, MILLISECONDS,
1700	>	new ArrayBlockingQueue<Runnable>(10));
1701	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1702	>	l.add(new StringTask());
1703	>	try {
1704	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1705	>	shouldThrow();
1706	>	} catch (NullPointerException success) {
1707	>	} finally {
1708	>	joinPool(e);
1709		}
413	–	catch (IllegalArgumentException i13){}
1710		}
1711
1712	<	//---- Tests if keepAliveTime is less than zero
1713	<	public void testConstructor14() {
1714	<	try{
1715	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1716	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1712	>	/**
1713	>	* timed invokeAny(empty collection) throws IAE
1714	>	*/
1715	>	public void testTimedInvokeAny2() throws Exception {
1716	>	ExecutorService e =
1717	>	new ThreadPoolExecutor(2, 2,
1718	>	LONG_DELAY_MS, MILLISECONDS,
1719	>	new ArrayBlockingQueue<Runnable>(10));
1720	>	try {
1721	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1722	>	shouldThrow();
1723	>	} catch (IllegalArgumentException success) {
1724	>	} finally {
1725	>	joinPool(e);
1726		}
422	–	catch (IllegalArgumentException i14){}
1727		}
1728
1729	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1730	<	public void testConstructor15() {
1731	<	try{
1732	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1733	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1729	>	/**
1730	>	* timed invokeAny(c) throws NPE if c has null elements
1731	>	*/
1732	>	public void testTimedInvokeAny3() throws Exception {
1733	>	final CountDownLatch latch = new CountDownLatch(1);
1734	>	final ExecutorService e =
1735	>	new ThreadPoolExecutor(2, 2,
1736	>	LONG_DELAY_MS, MILLISECONDS,
1737	>	new ArrayBlockingQueue<Runnable>(10));
1738	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1739	>	l.add(latchAwaitingStringTask(latch));
1740	>	l.add(null);
1741	>	try {
1742	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1743	>	shouldThrow();
1744	>	} catch (NullPointerException success) {
1745	>	} finally {
1746	>	latch.countDown();
1747	>	joinPool(e);
1748		}
431	–	catch (IllegalArgumentException i15){}
1749		}
1750
1751	<	//---- Tests if workQueue is set to null
1752	<	public void testNullPointerException4() {
1753	<	try{
1754	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1755	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1751	>	/**
1752	>	* timed invokeAny(c) throws ExecutionException if no task completes
1753	>	*/
1754	>	public void testTimedInvokeAny4() throws Exception {
1755	>	ExecutorService e =
1756	>	new ThreadPoolExecutor(2, 2,
1757	>	LONG_DELAY_MS, MILLISECONDS,
1758	>	new ArrayBlockingQueue<Runnable>(10));
1759	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1760	>	l.add(new NPETask());
1761	>	try {
1762	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1763	>	shouldThrow();
1764	>	} catch (ExecutionException success) {
1765	>	assertTrue(success.getCause() instanceof NullPointerException);
1766	>	} finally {
1767	>	joinPool(e);
1768		}
440	–	catch (NullPointerException n4){}
1769		}
1770
1771	<	//---- Tests if handler is set to null
1772	<	public void testNullPointerException5() {
1773	<	try{
1774	<	RejectedExecutionHandler r = null;
1775	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1776	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1771	>	/**
1772	>	* timed invokeAny(c) returns result of some task
1773	>	*/
1774	>	public void testTimedInvokeAny5() throws Exception {
1775	>	ExecutorService e =
1776	>	new ThreadPoolExecutor(2, 2,
1777	>	LONG_DELAY_MS, MILLISECONDS,
1778	>	new ArrayBlockingQueue<Runnable>(10));
1779	>	try {
1780	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1781	>	l.add(new StringTask());
1782	>	l.add(new StringTask());
1783	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1784	>	assertSame(TEST_STRING, result);
1785	>	} finally {
1786	>	joinPool(e);
1787		}
450	–	catch (NullPointerException n5){}
1788		}
1789
1790	<
1791	<	//---- Tests if corePoolSize argument is less than zero
1792	<	public void testConstructor16() {
1793	<	try{
1794	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1795	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1790	>	/**
1791	>	* timed invokeAll(null) throws NPE
1792	>	*/
1793	>	public void testTimedInvokeAll1() throws Exception {
1794	>	ExecutorService e =
1795	>	new ThreadPoolExecutor(2, 2,
1796	>	LONG_DELAY_MS, MILLISECONDS,
1797	>	new ArrayBlockingQueue<Runnable>(10));
1798	>	try {
1799	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1800	>	shouldThrow();
1801	>	} catch (NullPointerException success) {
1802	>	} finally {
1803	>	joinPool(e);
1804		}
460	–	catch (IllegalArgumentException i16){}
1805		}
1806
1807	<	//---- Tests if maximumPoolSize is less than zero
1808	<	public void testConstructor17() {
1809	<	try{
1810	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1811	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1807	>	/**
1808	>	* timed invokeAll(,,null) throws NPE
1809	>	*/
1810	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1811	>	ExecutorService e =
1812	>	new ThreadPoolExecutor(2, 2,
1813	>	LONG_DELAY_MS, MILLISECONDS,
1814	>	new ArrayBlockingQueue<Runnable>(10));
1815	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1816	>	l.add(new StringTask());
1817	>	try {
1818	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1819	>	shouldThrow();
1820	>	} catch (NullPointerException success) {
1821	>	} finally {
1822	>	joinPool(e);
1823		}
469	–	catch (IllegalArgumentException i17){}
1824		}
1825
1826	<	//---- Tests if maximumPoolSize is equal to zero
1827	<	public void testConstructor18() {
1828	<	try{
1829	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1830	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1826	>	/**
1827	>	* timed invokeAll(empty collection) returns empty collection
1828	>	*/
1829	>	public void testTimedInvokeAll2() throws InterruptedException {
1830	>	ExecutorService e =
1831	>	new ThreadPoolExecutor(2, 2,
1832	>	LONG_DELAY_MS, MILLISECONDS,
1833	>	new ArrayBlockingQueue<Runnable>(10));
1834	>	try {
1835	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1836	>	assertTrue(r.isEmpty());
1837	>	} finally {
1838	>	joinPool(e);
1839		}
478	–	catch (IllegalArgumentException i18){}
1840		}
1841
1842	<	//---- Tests if keepAliveTime is less than zero
1843	<	public void testConstructor19() {
1844	<	try{
1845	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1846	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1842	>	/**
1843	>	* timed invokeAll(c) throws NPE if c has null elements
1844	>	*/
1845	>	public void testTimedInvokeAll3() throws Exception {
1846	>	ExecutorService e =
1847	>	new ThreadPoolExecutor(2, 2,
1848	>	LONG_DELAY_MS, MILLISECONDS,
1849	>	new ArrayBlockingQueue<Runnable>(10));
1850	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1851	>	l.add(new StringTask());
1852	>	l.add(null);
1853	>	try {
1854	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1855	>	shouldThrow();
1856	>	} catch (NullPointerException success) {
1857	>	} finally {
1858	>	joinPool(e);
1859		}
487	–	catch (IllegalArgumentException i19){}
1860		}
1861
1862	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1863	<	public void testConstructor20() {
1864	<	try{
1865	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1866	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1862	>	/**
1863	>	* get of element of invokeAll(c) throws exception on failed task
1864	>	*/
1865	>	public void testTimedInvokeAll4() throws Exception {
1866	>	ExecutorService e =
1867	>	new ThreadPoolExecutor(2, 2,
1868	>	LONG_DELAY_MS, MILLISECONDS,
1869	>	new ArrayBlockingQueue<Runnable>(10));
1870	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1871	>	l.add(new NPETask());
1872	>	List<Future<String>> futures =
1873	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1874	>	assertEquals(1, futures.size());
1875	>	try {
1876	>	futures.get(0).get();
1877	>	shouldThrow();
1878	>	} catch (ExecutionException success) {
1879	>	assertTrue(success.getCause() instanceof NullPointerException);
1880	>	} finally {
1881	>	joinPool(e);
1882		}
496	–	catch (IllegalArgumentException i20){}
1883		}
1884
1885	<	//---- Tests if workQueue is set to null
1886	<	public void testNullPointerException6() {
1887	<	try{
1888	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1889	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1885	>	/**
1886	>	* timed invokeAll(c) returns results of all completed tasks
1887	>	*/
1888	>	public void testTimedInvokeAll5() throws Exception {
1889	>	ExecutorService e =
1890	>	new ThreadPoolExecutor(2, 2,
1891	>	LONG_DELAY_MS, MILLISECONDS,
1892	>	new ArrayBlockingQueue<Runnable>(10));
1893	>	try {
1894	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1895	>	l.add(new StringTask());
1896	>	l.add(new StringTask());
1897	>	List<Future<String>> futures =
1898	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1899	>	assertEquals(2, futures.size());
1900	>	for (Future<String> future : futures)
1901	>	assertSame(TEST_STRING, future.get());
1902	>	} finally {
1903	>	joinPool(e);
1904		}
505	–	catch (NullPointerException n6){}
1905		}
1906
1907	<	//---- Tests if handler is set to null
1908	<	public void testNullPointerException7() {
1909	<	try{
1910	<	RejectedExecutionHandler r = null;
1911	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1912	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1907	>	/**
1908	>	* timed invokeAll(c) cancels tasks not completed by timeout
1909	>	*/
1910	>	public void testTimedInvokeAll6() throws Exception {
1911	>	ExecutorService e =
1912	>	new ThreadPoolExecutor(2, 2,
1913	>	LONG_DELAY_MS, MILLISECONDS,
1914	>	new ArrayBlockingQueue<Runnable>(10));
1915	>	try {
1916	>	for (long timeout = timeoutMillis();;) {
1917	>	List<Callable<String>> tasks = new ArrayList<>();
1918	>	tasks.add(new StringTask("0"));
1919	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1920	>	tasks.add(new StringTask("2"));
1921	>	long startTime = System.nanoTime();
1922	>	List<Future<String>> futures =
1923	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1924	>	assertEquals(tasks.size(), futures.size());
1925	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1926	>	for (Future future : futures)
1927	>	assertTrue(future.isDone());
1928	>	assertTrue(futures.get(1).isCancelled());
1929	>	try {
1930	>	assertEquals("0", futures.get(0).get());
1931	>	assertEquals("2", futures.get(2).get());
1932	>	break;
1933	>	} catch (CancellationException retryWithLongerTimeout) {
1934	>	timeout *= 2;
1935	>	if (timeout >= LONG_DELAY_MS / 2)
1936	>	fail("expected exactly one task to be cancelled");
1937	>	}
1938	>	}
1939	>	} finally {
1940	>	joinPool(e);
1941		}
515	–	catch (NullPointerException n7){}
1942		}
1943
1944	<	//---- Tests if ThradFactory is set top null
1945	<	public void testNullPointerException8() {
1946	<	try{
1947	<	ThreadFactory f = null;
1948	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1949	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1944	>	/**
1945	>	* Execution continues if there is at least one thread even if
1946	>	* thread factory fails to create more
1947	>	*/
1948	>	public void testFailingThreadFactory() throws InterruptedException {
1949	>	final ExecutorService e =
1950	>	new ThreadPoolExecutor(100, 100,
1951	>	LONG_DELAY_MS, MILLISECONDS,
1952	>	new LinkedBlockingQueue<Runnable>(),
1953	>	new FailingThreadFactory());
1954	>	try {
1955	>	final int TASKS = 100;
1956	>	final CountDownLatch done = new CountDownLatch(TASKS);
1957	>	for (int k = 0; k < TASKS; ++k)
1958	>	e.execute(new CheckedRunnable() {
1959	>	public void realRun() {
1960	>	done.countDown();
1961	>	}});
1962	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1963	>	} finally {
1964	>	joinPool(e);
1965		}
525	–	catch (NullPointerException n8){}
1966		}
527	–
1967
1968		/**
1969	<	*  Test to verify execute will throw RejectedExcutionException
531	<	*  ThreadPoolExecutor will throw one when more runnables are
532	<	*  executed then will fit in the Queue.
1969	>	* allowsCoreThreadTimeOut is by default false.
1970		*/
1971	<	public void testRejectedExecutedException(){
1972	<	ThreadPoolExecutor tpe = null;
1973	<	try{
1974	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1975	<	} catch(Exception e){}
1976	<	tpe.shutdown();
1977	<	try{
541	<	tpe.execute(new Runnable(){
542	<	public void run(){
543	<	try{
544	<	Thread.sleep(1000);
545	<	} catch(InterruptedException e){}
546	<	}
547	<	});
548	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	<	} catch(RejectedExecutionException success){}
550	<
551	<
1971	>	public void testAllowsCoreThreadTimeOut() {
1972	>	final ThreadPoolExecutor p =
1973	>	new ThreadPoolExecutor(2, 2,
1974	>	1000, MILLISECONDS,
1975	>	new ArrayBlockingQueue<Runnable>(10));
1976	>	assertFalse(p.allowsCoreThreadTimeOut());
1977	>	joinPool(p);
1978		}
1979	<
1979	>
1980		/**
1981	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	<	*  when given a negative
1981	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1982		*/
1983	<	public void testIllegalArgumentException1(){
1984	<	ThreadPoolExecutor tpe = null;
1985	<	try{
1986	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1987	<	} catch(Exception e){}
1988	<	try{
1989	<	tpe.setCorePoolSize(-1);
1990	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1991	<	} catch(IllegalArgumentException success){
1983	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1984	>	long keepAliveTime = timeoutMillis();
1985	>	final ThreadPoolExecutor p =
1986	>	new ThreadPoolExecutor(2, 10,
1987	>	keepAliveTime, MILLISECONDS,
1988	>	new ArrayBlockingQueue<Runnable>(10));
1989	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1990	>	try {
1991	>	p.allowCoreThreadTimeOut(true);
1992	>	p.execute(new CheckedRunnable() {
1993	>	public void realRun() {
1994	>	threadStarted.countDown();
1995	>	assertEquals(1, p.getPoolSize());
1996	>	}});
1997	>	await(threadStarted);
1998	>	delay(keepAliveTime);
1999	>	long startTime = System.nanoTime();
2000	>	while (p.getPoolSize() > 0
2001	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2002	>	Thread.yield();
2003	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2004	>	assertEquals(0, p.getPoolSize());
2005		} finally {
2006	<	tpe.shutdown();
2006	>	joinPool(p);
2007		}
2008	<	}
2008	>	}
2009
572	–
2010		/**
2011	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
2012	<	*  if given a value less the it's actual core pool size
2013	<	*/
2014	<	public void testIllegalArgumentException2(){
2015	<	ThreadPoolExecutor tpe = null;
2016	<	try{
2017	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2018	<	} catch(Exception e){}
2019	<	try{
2020	<	tpe.setMaximumPoolSize(1);
2021	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2022	<	} catch(IllegalArgumentException success){
2011	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2012	>	*/
2013	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2014	>	long keepAliveTime = timeoutMillis();
2015	>	final ThreadPoolExecutor p =
2016	>	new ThreadPoolExecutor(2, 10,
2017	>	keepAliveTime, MILLISECONDS,
2018	>	new ArrayBlockingQueue<Runnable>(10));
2019	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2020	>	try {
2021	>	p.allowCoreThreadTimeOut(false);
2022	>	p.execute(new CheckedRunnable() {
2023	>	public void realRun() throws InterruptedException {
2024	>	threadStarted.countDown();
2025	>	assertTrue(p.getPoolSize() >= 1);
2026	>	}});
2027	>	delay(2 * keepAliveTime);
2028	>	assertTrue(p.getPoolSize() >= 1);
2029		} finally {
2030	<	tpe.shutdown();
2030	>	joinPool(p);
2031		}
2032		}
2033	<
2033	>
2034		/**
2035	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
2036	<	*  if given a negative number
2035	>	* execute allows the same task to be submitted multiple times, even
2036	>	* if rejected
2037		*/
2038	<	public void testIllegalArgumentException2SP(){
2039	<	ThreadPoolExecutor tpe = null;
2040	<	try{
2041	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2042	<	} catch(Exception e){}
2043	<	try{
2044	<	tpe.setMaximumPoolSize(-1);
2045	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2046	<	} catch(IllegalArgumentException success){
2038	>	public void testRejectedRecycledTask() throws InterruptedException {
2039	>	final int nTasks = 1000;
2040	>	final CountDownLatch done = new CountDownLatch(nTasks);
2041	>	final Runnable recycledTask = new Runnable() {
2042	>	public void run() {
2043	>	done.countDown();
2044	>	}};
2045	>	final ThreadPoolExecutor p =
2046	>	new ThreadPoolExecutor(1, 30,
2047	>	60, SECONDS,
2048	>	new ArrayBlockingQueue(30));
2049	>	try {
2050	>	for (int i = 0; i < nTasks; ++i) {
2051	>	for (;;) {
2052	>	try {
2053	>	p.execute(recycledTask);
2054	>	break;
2055	>	}
2056	>	catch (RejectedExecutionException ignore) {}
2057	>	}
2058	>	}
2059	>	// enough time to run all tasks
2060	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2061		} finally {
2062	<	tpe.shutdown();
2062	>	joinPool(p);
2063		}
2064		}
608	–
2065
2066		/**
2067	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	<	*  when given a negative value
2067	>	* get(cancelled task) throws CancellationException
2068		*/
2069	<	public void testIllegalArgumentException3(){
2070	<	ThreadPoolExecutor tpe = null;
2071	<	try{
2072	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2073	<	} catch(Exception e){}
2074	<
2075	<	try{
2076	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2077	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2078	<	} catch(IllegalArgumentException success){
2069	>	public void testGet_cancelled() throws Exception {
2070	>	final ExecutorService e =
2071	>	new ThreadPoolExecutor(1, 1,
2072	>	LONG_DELAY_MS, MILLISECONDS,
2073	>	new LinkedBlockingQueue<Runnable>());
2074	>	try {
2075	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2076	>	final CountDownLatch done = new CountDownLatch(1);
2077	>	final List<Future<?>> futures = new ArrayList<>();
2078	>	for (int i = 0; i < 2; i++) {
2079	>	Runnable r = new CheckedRunnable() { public void realRun()
2080	>	throws Throwable {
2081	>	blockerStarted.countDown();
2082	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2083	>	}};
2084	>	futures.add(e.submit(r));
2085	>	}
2086	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2087	>	for (Future<?> future : futures) future.cancel(false);
2088	>	for (Future<?> future : futures) {
2089	>	try {
2090	>	future.get();
2091	>	shouldThrow();
2092	>	} catch (CancellationException success) {}
2093	>	try {
2094	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2095	>	shouldThrow();
2096	>	} catch (CancellationException success) {}
2097	>	assertTrue(future.isCancelled());
2098	>	assertTrue(future.isDone());
2099	>	}
2100	>	done.countDown();
2101		} finally {
2102	<	tpe.shutdown();
2102	>	joinPool(e);
2103		}
2104		}
2105	<
629	<
630	<
2105	>
2106		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines