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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.120 by jsr166, Sat Jul 15 18:17:40 2017 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14	>	import java.util.Collection;
15	>	import java.util.Collections;
16		import java.util.List;
17	+	import java.util.concurrent.ArrayBlockingQueue;
18	+	import java.util.concurrent.BlockingQueue;
19	+	import java.util.concurrent.Callable;
20	+	import java.util.concurrent.CancellationException;
21	+	import java.util.concurrent.CountDownLatch;
22	+	import java.util.concurrent.ExecutionException;
23	+	import java.util.concurrent.ExecutorService;
24	+	import java.util.concurrent.Future;
25	+	import java.util.concurrent.FutureTask;
26	+	import java.util.concurrent.LinkedBlockingQueue;
27	+	import java.util.concurrent.RejectedExecutionException;
28	+	import java.util.concurrent.RejectedExecutionHandler;
29	+	import java.util.concurrent.SynchronousQueue;
30	+	import java.util.concurrent.ThreadFactory;
31	+	import java.util.concurrent.ThreadPoolExecutor;
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	>	await(done);
96	>	}
97		}
98
99		/**
100	<	* For use as RejectedExecutionHandler in constructors
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102		*/
103	<	static class MyREHandler implements RejectedExecutionHandler{
104	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final CountDownLatch done = new CountDownLatch(1);
105	>	final ThreadPoolExecutor p =
106	>	new ThreadPoolExecutor(2, 2,
107	>	LONG_DELAY_MS, MILLISECONDS,
108	>	new ArrayBlockingQueue<Runnable>(10));
109	>	try (PoolCleaner cleaner = cleaner(p, done)) {
110	>	final CountDownLatch threadStarted = 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	>	await(done);
117	>	}});
118	>	await(threadStarted);
119	>	assertEquals(1, p.getActiveCount());
120	>	}
121		}
122	<
122	>
123		/**
124	<	*   execute successfully executes a runnable
124	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
125		*/
126	<	public void testExecute(){
127	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
128	<	try {
129	<	one.execute(new Runnable(){
130	<	public void run(){
131	<	try{
132	<	Thread.sleep(SHORT_DELAY_MS);
133	<	} catch(InterruptedException e){
134	<	fail("unexpected exception");
135	<	}
136	<	}
137	<	});
138	<	Thread.sleep(SMALL_DELAY_MS);
139	<	} catch(InterruptedException e){
140	<	fail("unexpected exception");
141	<	}
142	<	joinPool(one);
126	>	public void testPrestartCoreThread() {
127	>	final ThreadPoolExecutor p =
128	>	new ThreadPoolExecutor(2, 6,
129	>	LONG_DELAY_MS, MILLISECONDS,
130	>	new ArrayBlockingQueue<Runnable>(10));
131	>	try (PoolCleaner cleaner = cleaner(p)) {
132	>	assertEquals(0, p.getPoolSize());
133	>	assertTrue(p.prestartCoreThread());
134	>	assertEquals(1, p.getPoolSize());
135	>	assertTrue(p.prestartCoreThread());
136	>	assertEquals(2, p.getPoolSize());
137	>	assertFalse(p.prestartCoreThread());
138	>	assertEquals(2, p.getPoolSize());
139	>	p.setCorePoolSize(4);
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(3, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(4, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(4, p.getPoolSize());
146	>	}
147	>	}
148	>
149	>	/**
150	>	* prestartAllCoreThreads starts all corePoolSize threads
151	>	*/
152	>	public void testPrestartAllCoreThreads() {
153	>	final ThreadPoolExecutor p =
154	>	new ThreadPoolExecutor(2, 6,
155	>	LONG_DELAY_MS, MILLISECONDS,
156	>	new ArrayBlockingQueue<Runnable>(10));
157	>	try (PoolCleaner cleaner = cleaner(p)) {
158	>	assertEquals(0, p.getPoolSize());
159	>	p.prestartAllCoreThreads();
160	>	assertEquals(2, p.getPoolSize());
161	>	p.prestartAllCoreThreads();
162	>	assertEquals(2, p.getPoolSize());
163	>	p.setCorePoolSize(4);
164	>	p.prestartAllCoreThreads();
165	>	assertEquals(4, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(4, p.getPoolSize());
168	>	}
169	>	}
170	>
171	>	/**
172	>	* getCompletedTaskCount increases, but doesn't overestimate,
173	>	* when tasks complete
174	>	*/
175	>	public void testGetCompletedTaskCount() throws InterruptedException {
176	>	final ThreadPoolExecutor p =
177	>	new ThreadPoolExecutor(2, 2,
178	>	LONG_DELAY_MS, MILLISECONDS,
179	>	new ArrayBlockingQueue<Runnable>(10));
180	>	try (PoolCleaner cleaner = cleaner(p)) {
181	>	final CountDownLatch threadStarted = new CountDownLatch(1);
182	>	final CountDownLatch threadProceed = new CountDownLatch(1);
183	>	final CountDownLatch threadDone = new CountDownLatch(1);
184	>	assertEquals(0, p.getCompletedTaskCount());
185	>	p.execute(new CheckedRunnable() {
186	>	public void realRun() throws InterruptedException {
187	>	threadStarted.countDown();
188	>	assertEquals(0, p.getCompletedTaskCount());
189	>	await(threadProceed);
190	>	threadDone.countDown();
191	>	}});
192	>	await(threadStarted);
193	>	assertEquals(0, p.getCompletedTaskCount());
194	>	threadProceed.countDown();
195	>	await(threadDone);
196	>	long startTime = System.nanoTime();
197	>	while (p.getCompletedTaskCount() != 1) {
198	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
199	>	fail("timed out");
200	>	Thread.yield();
201	>	}
202	>	}
203	>	}
204	>
205	>	/**
206	>	* getCorePoolSize returns size given in constructor if not otherwise set
207	>	*/
208	>	public void testGetCorePoolSize() {
209	>	final ThreadPoolExecutor p =
210	>	new ThreadPoolExecutor(1, 1,
211	>	LONG_DELAY_MS, MILLISECONDS,
212	>	new ArrayBlockingQueue<Runnable>(10));
213	>	try (PoolCleaner cleaner = cleaner(p)) {
214	>	assertEquals(1, p.getCorePoolSize());
215	>	}
216	>	}
217	>
218	>	/**
219	>	* getKeepAliveTime returns value given in constructor if not otherwise set
220	>	*/
221	>	public void testGetKeepAliveTime() {
222	>	final ThreadPoolExecutor p =
223	>	new ThreadPoolExecutor(2, 2,
224	>	1000, MILLISECONDS,
225	>	new ArrayBlockingQueue<Runnable>(10));
226	>	try (PoolCleaner cleaner = cleaner(p)) {
227	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
228	>	}
229	>	}
230	>
231	>	/**
232	>	* getThreadFactory returns factory in constructor if not set
233	>	*/
234	>	public void testGetThreadFactory() {
235	>	ThreadFactory threadFactory = new SimpleThreadFactory();
236	>	final ThreadPoolExecutor p =
237	>	new ThreadPoolExecutor(1, 2,
238	>	LONG_DELAY_MS, MILLISECONDS,
239	>	new ArrayBlockingQueue<Runnable>(10),
240	>	threadFactory,
241	>	new NoOpREHandler());
242	>	try (PoolCleaner cleaner = cleaner(p)) {
243	>	assertSame(threadFactory, p.getThreadFactory());
244	>	}
245	>	}
246	>
247	>	/**
248	>	* setThreadFactory sets the thread factory returned by getThreadFactory
249	>	*/
250	>	public void testSetThreadFactory() {
251	>	final ThreadPoolExecutor p =
252	>	new ThreadPoolExecutor(1, 2,
253	>	LONG_DELAY_MS, MILLISECONDS,
254	>	new ArrayBlockingQueue<Runnable>(10));
255	>	try (PoolCleaner cleaner = cleaner(p)) {
256	>	ThreadFactory threadFactory = new SimpleThreadFactory();
257	>	p.setThreadFactory(threadFactory);
258	>	assertSame(threadFactory, p.getThreadFactory());
259	>	}
260	>	}
261	>
262	>	/**
263	>	* setThreadFactory(null) throws NPE
264	>	*/
265	>	public void testSetThreadFactoryNull() {
266	>	final ThreadPoolExecutor p =
267	>	new ThreadPoolExecutor(1, 2,
268	>	LONG_DELAY_MS, MILLISECONDS,
269	>	new ArrayBlockingQueue<Runnable>(10));
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.setThreadFactory(null);
273	>	shouldThrow();
274	>	} catch (NullPointerException success) {}
275	>	}
276	>	}
277	>
278	>	/**
279	>	* The default rejected execution handler is AbortPolicy.
280	>	*/
281	>	public void testDefaultRejectedExecutionHandler() {
282	>	final ThreadPoolExecutor p =
283	>	new ThreadPoolExecutor(1, 2,
284	>	LONG_DELAY_MS, MILLISECONDS,
285	>	new ArrayBlockingQueue<Runnable>(10));
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	assertTrue(p.getRejectedExecutionHandler()
288	>	instanceof ThreadPoolExecutor.AbortPolicy);
289	>	}
290	>	}
291	>
292	>	/**
293	>	* getRejectedExecutionHandler returns handler in constructor if not set
294	>	*/
295	>	public void testGetRejectedExecutionHandler() {
296	>	final RejectedExecutionHandler handler = new NoOpREHandler();
297	>	final ThreadPoolExecutor p =
298	>	new ThreadPoolExecutor(1, 2,
299	>	LONG_DELAY_MS, MILLISECONDS,
300	>	new ArrayBlockingQueue<Runnable>(10),
301	>	handler);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	assertSame(handler, p.getRejectedExecutionHandler());
304	>	}
305	>	}
306	>
307	>	/**
308	>	* setRejectedExecutionHandler sets the handler returned by
309	>	* getRejectedExecutionHandler
310	>	*/
311	>	public void testSetRejectedExecutionHandler() {
312	>	final ThreadPoolExecutor p =
313	>	new ThreadPoolExecutor(1, 2,
314	>	LONG_DELAY_MS, MILLISECONDS,
315	>	new ArrayBlockingQueue<Runnable>(10));
316	>	try (PoolCleaner cleaner = cleaner(p)) {
317	>	RejectedExecutionHandler handler = new NoOpREHandler();
318	>	p.setRejectedExecutionHandler(handler);
319	>	assertSame(handler, p.getRejectedExecutionHandler());
320	>	}
321	>	}
322	>
323	>	/**
324	>	* setRejectedExecutionHandler(null) throws NPE
325	>	*/
326	>	public void testSetRejectedExecutionHandlerNull() {
327	>	final ThreadPoolExecutor p =
328	>	new ThreadPoolExecutor(1, 2,
329	>	LONG_DELAY_MS, MILLISECONDS,
330	>	new ArrayBlockingQueue<Runnable>(10));
331	>	try (PoolCleaner cleaner = cleaner(p)) {
332	>	try {
333	>	p.setRejectedExecutionHandler(null);
334	>	shouldThrow();
335	>	} catch (NullPointerException success) {}
336	>	}
337	>	}
338	>
339	>	/**
340	>	* getLargestPoolSize increases, but doesn't overestimate, when
341	>	* multiple threads active
342	>	*/
343	>	public void testGetLargestPoolSize() throws InterruptedException {
344	>	final int THREADS = 3;
345	>	final CountDownLatch done = new CountDownLatch(1);
346	>	final ThreadPoolExecutor p =
347	>	new ThreadPoolExecutor(THREADS, THREADS,
348	>	LONG_DELAY_MS, MILLISECONDS,
349	>	new ArrayBlockingQueue<Runnable>(10));
350	>	try (PoolCleaner cleaner = cleaner(p, done)) {
351	>	assertEquals(0, p.getLargestPoolSize());
352	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
353	>	for (int i = 0; i < THREADS; i++)
354	>	p.execute(new CheckedRunnable() {
355	>	public void realRun() throws InterruptedException {
356	>	threadsStarted.countDown();
357	>	await(done);
358	>	assertEquals(THREADS, p.getLargestPoolSize());
359	>	}});
360	>	await(threadsStarted);
361	>	assertEquals(THREADS, p.getLargestPoolSize());
362	>	}
363	>	assertEquals(THREADS, p.getLargestPoolSize());
364	>	}
365	>
366	>	/**
367	>	* getMaximumPoolSize returns value given in constructor if not
368	>	* otherwise set
369	>	*/
370	>	public void testGetMaximumPoolSize() {
371	>	final ThreadPoolExecutor p =
372	>	new ThreadPoolExecutor(2, 3,
373	>	LONG_DELAY_MS, MILLISECONDS,
374	>	new ArrayBlockingQueue<Runnable>(10));
375	>	try (PoolCleaner cleaner = cleaner(p)) {
376	>	assertEquals(3, p.getMaximumPoolSize());
377	>	p.setMaximumPoolSize(5);
378	>	assertEquals(5, p.getMaximumPoolSize());
379	>	p.setMaximumPoolSize(4);
380	>	assertEquals(4, p.getMaximumPoolSize());
381	>	}
382	>	}
383	>
384	>	/**
385	>	* getPoolSize increases, but doesn't overestimate, when threads
386	>	* become active
387	>	*/
388	>	public void testGetPoolSize() throws InterruptedException {
389	>	final CountDownLatch done = new CountDownLatch(1);
390	>	final ThreadPoolExecutor p =
391	>	new ThreadPoolExecutor(1, 1,
392	>	LONG_DELAY_MS, MILLISECONDS,
393	>	new ArrayBlockingQueue<Runnable>(10));
394	>	try (PoolCleaner cleaner = cleaner(p, done)) {
395	>	assertEquals(0, p.getPoolSize());
396	>	final CountDownLatch threadStarted = new CountDownLatch(1);
397	>	p.execute(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadStarted.countDown();
400	>	assertEquals(1, p.getPoolSize());
401	>	await(done);
402	>	}});
403	>	await(threadStarted);
404	>	assertEquals(1, p.getPoolSize());
405	>	}
406		}
407
408		/**
409	<	*   getActiveCount gives correct values
409	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
410		*/
411	<	public void testGetActiveCount(){
412	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
413	<	assertEquals(0, two.getActiveCount());
414	<	two.execute(new MediumRunnable());
415	<	try{
416	<	Thread.sleep(SHORT_DELAY_MS);
417	<	} catch(Exception e){
418	<	fail("unexpected exception");
411	>	public void testGetTaskCount() throws InterruptedException {
412	>	final int TASKS = 3;
413	>	final CountDownLatch done = new CountDownLatch(1);
414	>	final ThreadPoolExecutor p =
415	>	new ThreadPoolExecutor(1, 1,
416	>	LONG_DELAY_MS, MILLISECONDS,
417	>	new ArrayBlockingQueue<Runnable>(10));
418	>	try (PoolCleaner cleaner = cleaner(p, done)) {
419	>	final CountDownLatch threadStarted = new CountDownLatch(1);
420	>	assertEquals(0, p.getTaskCount());
421	>	assertEquals(0, p.getCompletedTaskCount());
422	>	p.execute(new CheckedRunnable() {
423	>	public void realRun() throws InterruptedException {
424	>	threadStarted.countDown();
425	>	await(done);
426	>	}});
427	>	await(threadStarted);
428	>	assertEquals(1, p.getTaskCount());
429	>	assertEquals(0, p.getCompletedTaskCount());
430	>	for (int i = 0; i < TASKS; i++) {
431	>	assertEquals(1 + i, p.getTaskCount());
432	>	p.execute(new CheckedRunnable() {
433	>	public void realRun() throws InterruptedException {
434	>	threadStarted.countDown();
435	>	assertEquals(1 + TASKS, p.getTaskCount());
436	>	await(done);
437	>	}});
438	>	}
439	>	assertEquals(1 + TASKS, p.getTaskCount());
440	>	assertEquals(0, p.getCompletedTaskCount());
441		}
442	<	assertEquals(1, two.getActiveCount());
443	<	joinPool(two);
442	>	assertEquals(1 + TASKS, p.getTaskCount());
443	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
444		}
445	<
445	>
446		/**
447	<	*   getCompleteTaskCount gives correct values
447	>	* isShutdown is false before shutdown, true after
448		*/
449	<	public void testGetCompletedTaskCount(){
450	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
451	<	assertEquals(0, two.getCompletedTaskCount());
452	<	two.execute(new ShortRunnable());
453	<	try{
454	<	Thread.sleep(MEDIUM_DELAY_MS);
455	<	} catch(Exception e){
456	<	fail("unexpected exception");
449	>	public void testIsShutdown() {
450	>	final ThreadPoolExecutor p =
451	>	new ThreadPoolExecutor(1, 1,
452	>	LONG_DELAY_MS, MILLISECONDS,
453	>	new ArrayBlockingQueue<Runnable>(10));
454	>	try (PoolCleaner cleaner = cleaner(p)) {
455	>	assertFalse(p.isShutdown());
456	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
457	>	assertTrue(p.isShutdown());
458		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
459		}
460	<
460	>
461	>	/**
462	>	* awaitTermination on a non-shutdown pool times out
463	>	*/
464	>	public void testAwaitTermination_timesOut() throws InterruptedException {
465	>	final ThreadPoolExecutor p =
466	>	new ThreadPoolExecutor(1, 1,
467	>	LONG_DELAY_MS, MILLISECONDS,
468	>	new ArrayBlockingQueue<Runnable>(10));
469	>	try (PoolCleaner cleaner = cleaner(p)) {
470	>	assertFalse(p.isTerminated());
471	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
472	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
473	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
474	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
475	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
476	>	randomTimeUnit()));
477	>	long timeoutNanos = 999999L;
478	>	long startTime = System.nanoTime();
479	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
480	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
481	>	assertFalse(p.isTerminated());
482	>	startTime = System.nanoTime();
483	>	long timeoutMillis = timeoutMillis();
484	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
485	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
486	>	assertFalse(p.isTerminated());
487	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
488	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
489	>	assertTrue(p.isTerminated());
490	>	}
491	>	}
492	>
493	>	/**
494	>	* isTerminated is false before termination, true after
495	>	*/
496	>	public void testIsTerminated() throws InterruptedException {
497	>	final ThreadPoolExecutor p =
498	>	new ThreadPoolExecutor(1, 1,
499	>	LONG_DELAY_MS, MILLISECONDS,
500	>	new ArrayBlockingQueue<Runnable>(10));
501	>	try (PoolCleaner cleaner = cleaner(p)) {
502	>	final CountDownLatch threadStarted = new CountDownLatch(1);
503	>	final CountDownLatch done = new CountDownLatch(1);
504	>	assertFalse(p.isTerminating());
505	>	p.execute(new CheckedRunnable() {
506	>	public void realRun() throws InterruptedException {
507	>	assertFalse(p.isTerminating());
508	>	threadStarted.countDown();
509	>	await(done);
510	>	}});
511	>	await(threadStarted);
512	>	assertFalse(p.isTerminating());
513	>	done.countDown();
514	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
515	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
516	>	assertTrue(p.isTerminated());
517	>	assertFalse(p.isTerminating());
518	>	}
519	>	}
520	>
521	>	/**
522	>	* isTerminating is not true when running or when terminated
523	>	*/
524	>	public void testIsTerminating() throws InterruptedException {
525	>	final ThreadPoolExecutor p =
526	>	new ThreadPoolExecutor(1, 1,
527	>	LONG_DELAY_MS, MILLISECONDS,
528	>	new ArrayBlockingQueue<Runnable>(10));
529	>	try (PoolCleaner cleaner = cleaner(p)) {
530	>	final CountDownLatch threadStarted = new CountDownLatch(1);
531	>	final CountDownLatch done = new CountDownLatch(1);
532	>	assertFalse(p.isTerminating());
533	>	p.execute(new CheckedRunnable() {
534	>	public void realRun() throws InterruptedException {
535	>	assertFalse(p.isTerminating());
536	>	threadStarted.countDown();
537	>	await(done);
538	>	}});
539	>	await(threadStarted);
540	>	assertFalse(p.isTerminating());
541	>	done.countDown();
542	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
543	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
544	>	assertTrue(p.isTerminated());
545	>	assertFalse(p.isTerminating());
546	>	}
547	>	}
548	>
549	>	/**
550	>	* getQueue returns the work queue, which contains queued tasks
551	>	*/
552	>	public void testGetQueue() throws InterruptedException {
553	>	final CountDownLatch done = new CountDownLatch(1);
554	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
555	>	final ThreadPoolExecutor p =
556	>	new ThreadPoolExecutor(1, 1,
557	>	LONG_DELAY_MS, MILLISECONDS,
558	>	q);
559	>	try (PoolCleaner cleaner = cleaner(p, done)) {
560	>	final CountDownLatch threadStarted = new CountDownLatch(1);
561	>	FutureTask[] tasks = new FutureTask[5];
562	>	for (int i = 0; i < tasks.length; i++) {
563	>	Callable task = new CheckedCallable<Boolean>() {
564	>	public Boolean realCall() throws InterruptedException {
565	>	threadStarted.countDown();
566	>	assertSame(q, p.getQueue());
567	>	await(done);
568	>	return Boolean.TRUE;
569	>	}};
570	>	tasks[i] = new FutureTask(task);
571	>	p.execute(tasks[i]);
572	>	}
573	>	await(threadStarted);
574	>	assertSame(q, p.getQueue());
575	>	assertFalse(q.contains(tasks[0]));
576	>	assertTrue(q.contains(tasks[tasks.length - 1]));
577	>	assertEquals(tasks.length - 1, q.size());
578	>	}
579	>	}
580	>
581	>	/**
582	>	* remove(task) removes queued task, and fails to remove active task
583	>	*/
584	>	public void testRemove() throws InterruptedException {
585	>	final CountDownLatch done = new CountDownLatch(1);
586	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
587	>	final ThreadPoolExecutor p =
588	>	new ThreadPoolExecutor(1, 1,
589	>	LONG_DELAY_MS, MILLISECONDS,
590	>	q);
591	>	try (PoolCleaner cleaner = cleaner(p, done)) {
592	>	Runnable[] tasks = new Runnable[6];
593	>	final CountDownLatch threadStarted = new CountDownLatch(1);
594	>	for (int i = 0; i < tasks.length; i++) {
595	>	tasks[i] = new CheckedRunnable() {
596	>	public void realRun() throws InterruptedException {
597	>	threadStarted.countDown();
598	>	await(done);
599	>	}};
600	>	p.execute(tasks[i]);
601	>	}
602	>	await(threadStarted);
603	>	assertFalse(p.remove(tasks[0]));
604	>	assertTrue(q.contains(tasks[4]));
605	>	assertTrue(q.contains(tasks[3]));
606	>	assertTrue(p.remove(tasks[4]));
607	>	assertFalse(p.remove(tasks[4]));
608	>	assertFalse(q.contains(tasks[4]));
609	>	assertTrue(q.contains(tasks[3]));
610	>	assertTrue(p.remove(tasks[3]));
611	>	assertFalse(q.contains(tasks[3]));
612	>	}
613	>	}
614	>
615	>	/**
616	>	* purge removes cancelled tasks from the queue
617	>	*/
618	>	public void testPurge() throws InterruptedException {
619	>	final CountDownLatch threadStarted = new CountDownLatch(1);
620	>	final CountDownLatch done = new CountDownLatch(1);
621	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
622	>	final ThreadPoolExecutor p =
623	>	new ThreadPoolExecutor(1, 1,
624	>	LONG_DELAY_MS, MILLISECONDS,
625	>	q);
626	>	try (PoolCleaner cleaner = cleaner(p, done)) {
627	>	FutureTask[] tasks = new FutureTask[5];
628	>	for (int i = 0; i < tasks.length; i++) {
629	>	Callable task = new CheckedCallable<Boolean>() {
630	>	public Boolean realCall() throws InterruptedException {
631	>	threadStarted.countDown();
632	>	await(done);
633	>	return Boolean.TRUE;
634	>	}};
635	>	tasks[i] = new FutureTask(task);
636	>	p.execute(tasks[i]);
637	>	}
638	>	await(threadStarted);
639	>	assertEquals(tasks.length, p.getTaskCount());
640	>	assertEquals(tasks.length - 1, q.size());
641	>	assertEquals(1L, p.getActiveCount());
642	>	assertEquals(0L, p.getCompletedTaskCount());
643	>	tasks[4].cancel(true);
644	>	tasks[3].cancel(false);
645	>	p.purge();
646	>	assertEquals(tasks.length - 3, q.size());
647	>	assertEquals(tasks.length - 2, p.getTaskCount());
648	>	p.purge();         // Nothing to do
649	>	assertEquals(tasks.length - 3, q.size());
650	>	assertEquals(tasks.length - 2, p.getTaskCount());
651	>	}
652	>	}
653	>
654	>	/**
655	>	* shutdownNow returns a list containing tasks that were not run,
656	>	* and those tasks are drained from the queue
657	>	*/
658	>	public void testShutdownNow() throws InterruptedException {
659	>	final int poolSize = 2;
660	>	final int count = 5;
661	>	final AtomicInteger ran = new AtomicInteger(0);
662	>	final ThreadPoolExecutor p =
663	>	new ThreadPoolExecutor(poolSize, poolSize,
664	>	LONG_DELAY_MS, MILLISECONDS,
665	>	new ArrayBlockingQueue<Runnable>(10));
666	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
667	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
668	>	threadsStarted.countDown();
669	>	try {
670	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
671	>	} catch (InterruptedException success) {}
672	>	ran.getAndIncrement();
673	>	}};
674	>	for (int i = 0; i < count; i++)
675	>	p.execute(waiter);
676	>	await(threadsStarted);
677	>	assertEquals(poolSize, p.getActiveCount());
678	>	assertEquals(0, p.getCompletedTaskCount());
679	>	final List<Runnable> queuedTasks;
680	>	try {
681	>	queuedTasks = p.shutdownNow();
682	>	} catch (SecurityException ok) {
683	>	return; // Allowed in case test doesn't have privs
684	>	}
685	>	assertTrue(p.isShutdown());
686	>	assertTrue(p.getQueue().isEmpty());
687	>	assertEquals(count - poolSize, queuedTasks.size());
688	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
689	>	assertTrue(p.isTerminated());
690	>	assertEquals(poolSize, ran.get());
691	>	assertEquals(poolSize, p.getCompletedTaskCount());
692	>	}
693	>
694	>	// Exception Tests
695	>
696	>	/**
697	>	* Constructor throws if corePoolSize argument is less than zero
698	>	*/
699	>	public void testConstructor1() {
700	>	try {
701	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703	>	shouldThrow();
704	>	} catch (IllegalArgumentException success) {}
705	>	}
706	>
707	>	/**
708	>	* Constructor throws if maximumPoolSize is less than zero
709	>	*/
710	>	public void testConstructor2() {
711	>	try {
712	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714	>	shouldThrow();
715	>	} catch (IllegalArgumentException success) {}
716	>	}
717	>
718	>	/**
719	>	* Constructor throws if maximumPoolSize is equal to zero
720	>	*/
721	>	public void testConstructor3() {
722	>	try {
723	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725	>	shouldThrow();
726	>	} catch (IllegalArgumentException success) {}
727	>	}
728	>
729	>	/**
730	>	* Constructor throws if keepAliveTime is less than zero
731	>	*/
732	>	public void testConstructor4() {
733	>	try {
734	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
735	>	new ArrayBlockingQueue<Runnable>(10));
736	>	shouldThrow();
737	>	} catch (IllegalArgumentException success) {}
738	>	}
739	>
740	>	/**
741	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
742	>	*/
743	>	public void testConstructor5() {
744	>	try {
745	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10));
747	>	shouldThrow();
748	>	} catch (IllegalArgumentException success) {}
749	>	}
750	>
751	>	/**
752	>	* Constructor throws if workQueue is set to null
753	>	*/
754	>	public void testConstructorNullPointerException() {
755	>	try {
756	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
757	>	(BlockingQueue) null);
758	>	shouldThrow();
759	>	} catch (NullPointerException success) {}
760	>	}
761	>
762	>	/**
763	>	* Constructor throws if corePoolSize argument is less than zero
764	>	*/
765	>	public void testConstructor6() {
766	>	try {
767	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
768	>	new ArrayBlockingQueue<Runnable>(10),
769	>	new SimpleThreadFactory());
770	>	shouldThrow();
771	>	} catch (IllegalArgumentException success) {}
772	>	}
773	>
774	>	/**
775	>	* Constructor throws if maximumPoolSize is less than zero
776	>	*/
777	>	public void testConstructor7() {
778	>	try {
779	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
780	>	new ArrayBlockingQueue<Runnable>(10),
781	>	new SimpleThreadFactory());
782	>	shouldThrow();
783	>	} catch (IllegalArgumentException success) {}
784	>	}
785	>
786	>	/**
787	>	* Constructor throws if maximumPoolSize is equal to zero
788	>	*/
789	>	public void testConstructor8() {
790	>	try {
791	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
792	>	new ArrayBlockingQueue<Runnable>(10),
793	>	new SimpleThreadFactory());
794	>	shouldThrow();
795	>	} catch (IllegalArgumentException success) {}
796	>	}
797	>
798	>	/**
799	>	* Constructor throws if keepAliveTime is less than zero
800	>	*/
801	>	public void testConstructor9() {
802	>	try {
803	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
804	>	new ArrayBlockingQueue<Runnable>(10),
805	>	new SimpleThreadFactory());
806	>	shouldThrow();
807	>	} catch (IllegalArgumentException success) {}
808	>	}
809	>
810	>	/**
811	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
812	>	*/
813	>	public void testConstructor10() {
814	>	try {
815	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
816	>	new ArrayBlockingQueue<Runnable>(10),
817	>	new SimpleThreadFactory());
818	>	shouldThrow();
819	>	} catch (IllegalArgumentException success) {}
820	>	}
821	>
822	>	/**
823	>	* Constructor throws if workQueue is set to null
824	>	*/
825	>	public void testConstructorNullPointerException2() {
826	>	try {
827	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
828	>	(BlockingQueue) null,
829	>	new SimpleThreadFactory());
830	>	shouldThrow();
831	>	} catch (NullPointerException success) {}
832	>	}
833	>
834	>	/**
835	>	* Constructor throws if threadFactory is set to null
836	>	*/
837	>	public void testConstructorNullPointerException3() {
838	>	try {
839	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
840	>	new ArrayBlockingQueue<Runnable>(10),
841	>	(ThreadFactory) null);
842	>	shouldThrow();
843	>	} catch (NullPointerException success) {}
844	>	}
845	>
846	>	/**
847	>	* Constructor throws if corePoolSize argument is less than zero
848	>	*/
849	>	public void testConstructor11() {
850	>	try {
851	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
852	>	new ArrayBlockingQueue<Runnable>(10),
853	>	new NoOpREHandler());
854	>	shouldThrow();
855	>	} catch (IllegalArgumentException success) {}
856	>	}
857	>
858	>	/**
859	>	* Constructor throws if maximumPoolSize is less than zero
860	>	*/
861	>	public void testConstructor12() {
862	>	try {
863	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
864	>	new ArrayBlockingQueue<Runnable>(10),
865	>	new NoOpREHandler());
866	>	shouldThrow();
867	>	} catch (IllegalArgumentException success) {}
868	>	}
869	>
870	>	/**
871	>	* Constructor throws if maximumPoolSize is equal to zero
872	>	*/
873	>	public void testConstructor13() {
874	>	try {
875	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
876	>	new ArrayBlockingQueue<Runnable>(10),
877	>	new NoOpREHandler());
878	>	shouldThrow();
879	>	} catch (IllegalArgumentException success) {}
880	>	}
881	>
882	>	/**
883	>	* Constructor throws if keepAliveTime is less than zero
884	>	*/
885	>	public void testConstructor14() {
886	>	try {
887	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
888	>	new ArrayBlockingQueue<Runnable>(10),
889	>	new NoOpREHandler());
890	>	shouldThrow();
891	>	} catch (IllegalArgumentException success) {}
892	>	}
893	>
894		/**
895	<	*   getCorePoolSize gives correct values
895	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
896		*/
897	<	public void testGetCorePoolSize(){
898	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
899	<	assertEquals(1, one.getCorePoolSize());
900	<	joinPool(one);
897	>	public void testConstructor15() {
898	>	try {
899	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
900	>	new ArrayBlockingQueue<Runnable>(10),
901	>	new NoOpREHandler());
902	>	shouldThrow();
903	>	} catch (IllegalArgumentException success) {}
904		}
905	<
905	>
906		/**
907	<	*   getKeepAliveTime gives correct values
907	>	* Constructor throws if workQueue is set to null
908		*/
909	<	public void testGetKeepAliveTime(){
910	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
911	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
912	<	joinPool(two);
909	>	public void testConstructorNullPointerException4() {
910	>	try {
911	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
912	>	(BlockingQueue) null,
913	>	new NoOpREHandler());
914	>	shouldThrow();
915	>	} catch (NullPointerException success) {}
916		}
917	<
917	>
918		/**
919	<	*   getLargestPoolSize gives correct values
919	>	* Constructor throws if handler is set to null
920		*/
921	<	public void testGetLargestPoolSize(){
113	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
921	>	public void testConstructorNullPointerException5() {
922		try {
923	<	assertEquals(0, two.getLargestPoolSize());
924	<	two.execute(new MediumRunnable());
925	<	two.execute(new MediumRunnable());
926	<	Thread.sleep(SHORT_DELAY_MS);
927	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
923	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
924	>	new ArrayBlockingQueue<Runnable>(10),
925	>	(RejectedExecutionHandler) null);
926	>	shouldThrow();
927	>	} catch (NullPointerException success) {}
928		}
929	<
929	>
930		/**
931	<	*   getMaximumPoolSize gives correct values
931	>	* Constructor throws if corePoolSize argument is less than zero
932		*/
933	<	public void testGetMaximumPoolSize(){
934	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
935	<	assertEquals(2, two.getMaximumPoolSize());
936	<	joinPool(two);
933	>	public void testConstructor16() {
934	>	try {
935	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
936	>	new ArrayBlockingQueue<Runnable>(10),
937	>	new SimpleThreadFactory(),
938	>	new NoOpREHandler());
939	>	shouldThrow();
940	>	} catch (IllegalArgumentException success) {}
941		}
942	<
942	>
943		/**
944	<	*   getPoolSize gives correct values
944	>	* Constructor throws if maximumPoolSize is less than zero
945		*/
946	<	public void testGetPoolSize(){
947	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
948	<	assertEquals(0, one.getPoolSize());
949	<	one.execute(new MediumRunnable());
950	<	assertEquals(1, one.getPoolSize());
951	<	joinPool(one);
946	>	public void testConstructor17() {
947	>	try {
948	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
949	>	new ArrayBlockingQueue<Runnable>(10),
950	>	new SimpleThreadFactory(),
951	>	new NoOpREHandler());
952	>	shouldThrow();
953	>	} catch (IllegalArgumentException success) {}
954	>	}
955	>
956	>	/**
957	>	* Constructor throws if maximumPoolSize is equal to zero
958	>	*/
959	>	public void testConstructor18() {
960	>	try {
961	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
962	>	new ArrayBlockingQueue<Runnable>(10),
963	>	new SimpleThreadFactory(),
964	>	new NoOpREHandler());
965	>	shouldThrow();
966	>	} catch (IllegalArgumentException success) {}
967	>	}
968	>
969	>	/**
970	>	* Constructor throws if keepAliveTime is less than zero
971	>	*/
972	>	public void testConstructor19() {
973	>	try {
974	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
975	>	new ArrayBlockingQueue<Runnable>(10),
976	>	new SimpleThreadFactory(),
977	>	new NoOpREHandler());
978	>	shouldThrow();
979	>	} catch (IllegalArgumentException success) {}
980	>	}
981	>
982	>	/**
983	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
984	>	*/
985	>	public void testConstructor20() {
986	>	try {
987	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
988	>	new ArrayBlockingQueue<Runnable>(10),
989	>	new SimpleThreadFactory(),
990	>	new NoOpREHandler());
991	>	shouldThrow();
992	>	} catch (IllegalArgumentException success) {}
993		}
994	<
994	>
995		/**
996	<	*   getTaskCount gives correct values
996	>	* Constructor throws if workQueue is null
997		*/
998	<	public void testGetTaskCount(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
998	>	public void testConstructorNullPointerException6() {
999		try {
1000	<	assertEquals(0, one.getTaskCount());
1001	<	for(int i = 0; i < 5; i++)
1002	<	one.execute(new MediumRunnable());
1003	<	Thread.sleep(SHORT_DELAY_MS);
1004	<	assertEquals(5, one.getTaskCount());
1005	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
1000	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1001	>	(BlockingQueue) null,
1002	>	new SimpleThreadFactory(),
1003	>	new NoOpREHandler());
1004	>	shouldThrow();
1005	>	} catch (NullPointerException success) {}
1006		}
1007	<
1007	>
1008		/**
1009	<	*   isShutDown gives correct values
1009	>	* Constructor throws if handler is null
1010		*/
1011	<	public void testIsShutdown(){
1012	<
1013	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1014	<	assertFalse(one.isShutdown());
1015	<	one.shutdown();
1016	<	assertTrue(one.isShutdown());
1017	<	joinPool(one);
1011	>	public void testConstructorNullPointerException7() {
1012	>	try {
1013	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1014	>	new ArrayBlockingQueue<Runnable>(10),
1015	>	new SimpleThreadFactory(),
1016	>	(RejectedExecutionHandler) null);
1017	>	shouldThrow();
1018	>	} catch (NullPointerException success) {}
1019		}
1020
175	–
1021		/**
1022	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
1022	>	* Constructor throws if ThreadFactory is null
1023		*/
1024	<	public void testIsTerminated(){
182	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1024	>	public void testConstructorNullPointerException8() {
1025		try {
1026	<	one.execute(new MediumRunnable());
1027	<	} finally {
1028	<	one.shutdown();
1026	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1027	>	new ArrayBlockingQueue<Runnable>(10),
1028	>	(ThreadFactory) null,
1029	>	new NoOpREHandler());
1030	>	shouldThrow();
1031	>	} catch (NullPointerException success) {}
1032	>	}
1033	>
1034	>	/**
1035	>	* get of submitted callable throws InterruptedException if interrupted
1036	>	*/
1037	>	public void testInterruptedSubmit() throws InterruptedException {
1038	>	final CountDownLatch done = new CountDownLatch(1);
1039	>	final ThreadPoolExecutor p =
1040	>	new ThreadPoolExecutor(1, 1,
1041	>	60, SECONDS,
1042	>	new ArrayBlockingQueue<Runnable>(10));
1043	>
1044	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1045	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1046	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1047	>	public void realRun() throws Exception {
1048	>	Callable task = new CheckedCallable<Boolean>() {
1049	>	public Boolean realCall() throws InterruptedException {
1050	>	threadStarted.countDown();
1051	>	await(done);
1052	>	return Boolean.TRUE;
1053	>	}};
1054	>	p.submit(task).get();
1055	>	}});
1056	>
1057	>	await(threadStarted);
1058	>	t.interrupt();
1059	>	awaitTermination(t);
1060		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
1061		}
1062
1063		/**
1064	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
1064	>	* execute throws RejectedExecutionException if saturated.
1065		*/
1066	<	public void testPurge(){
1067	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1068	<	CancellableTask[] tasks = new CancellableTask[5];
1069	<	for(int i = 0; i < 5; i++){
1070	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
1071	<	one.execute(tasks[i]);
1066	>	public void testSaturatedExecute() {
1067	>	final CountDownLatch done = new CountDownLatch(1);
1068	>	final ThreadPoolExecutor p =
1069	>	new ThreadPoolExecutor(1, 1,
1070	>	LONG_DELAY_MS, MILLISECONDS,
1071	>	new ArrayBlockingQueue<Runnable>(1));
1072	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1073	>	Runnable task = new CheckedRunnable() {
1074	>	public void realRun() throws InterruptedException {
1075	>	await(done);
1076	>	}};
1077	>	for (int i = 0; i < 2; ++i)
1078	>	p.execute(task);
1079	>	for (int i = 0; i < 2; ++i) {
1080	>	try {
1081	>	p.execute(task);
1082	>	shouldThrow();
1083	>	} catch (RejectedExecutionException success) {}
1084	>	assertTrue(p.getTaskCount() <= 2);
1085	>	}
1086		}
207	–	tasks[4].cancel(true);
208	–	tasks[3].cancel(true);
209	–	one.purge();
210	–	long count = one.getTaskCount();
211	–	assertTrue(count >= 2 && count < 5);
212	–	joinPool(one);
1087		}
1088
1089		/**
1090	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
1090	>	* submit(runnable) throws RejectedExecutionException if saturated.
1091		*/
1092	<	public void testShutDownNow(){
1093	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1094	<	List l;
1095	<	try {
1096	<	for(int i = 0; i < 5; i++)
1097	<	one.execute(new MediumPossiblyInterruptedRunnable());
1092	>	public void testSaturatedSubmitRunnable() {
1093	>	final CountDownLatch done = new CountDownLatch(1);
1094	>	final ThreadPoolExecutor p =
1095	>	new ThreadPoolExecutor(1, 1,
1096	>	LONG_DELAY_MS, MILLISECONDS,
1097	>	new ArrayBlockingQueue<Runnable>(1));
1098	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1099	>	Runnable task = new CheckedRunnable() {
1100	>	public void realRun() throws InterruptedException {
1101	>	await(done);
1102	>	}};
1103	>	for (int i = 0; i < 2; ++i)
1104	>	p.submit(task);
1105	>	for (int i = 0; i < 2; ++i) {
1106	>	try {
1107	>	p.execute(task);
1108	>	shouldThrow();
1109	>	} catch (RejectedExecutionException success) {}
1110	>	assertTrue(p.getTaskCount() <= 2);
1111	>	}
1112		}
1113	<	finally {
1114	<	l = one.shutdownNow();
1113	>	}
1114	>
1115	>	/**
1116	>	* submit(callable) throws RejectedExecutionException if saturated.
1117	>	*/
1118	>	public void testSaturatedSubmitCallable() {
1119	>	final CountDownLatch done = new CountDownLatch(1);
1120	>	final ThreadPoolExecutor p =
1121	>	new ThreadPoolExecutor(1, 1,
1122	>	LONG_DELAY_MS, MILLISECONDS,
1123	>	new ArrayBlockingQueue<Runnable>(1));
1124	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1125	>	Runnable task = new CheckedRunnable() {
1126	>	public void realRun() throws InterruptedException {
1127	>	await(done);
1128	>	}};
1129	>	for (int i = 0; i < 2; ++i)
1130	>	p.execute(task);
1131	>	for (int i = 0; i < 2; ++i) {
1132	>	try {
1133	>	p.execute(task);
1134	>	shouldThrow();
1135	>	} catch (RejectedExecutionException success) {}
1136	>	assertTrue(p.getTaskCount() <= 2);
1137	>	}
1138		}
229	–	assertTrue(one.isShutdown());
230	–	assertTrue(l.size() <= 4);
1139		}
1140
1141	<	// Exception Tests
1142	<
1141	>	/**
1142	>	* executor using CallerRunsPolicy runs task if saturated.
1143	>	*/
1144	>	public void testSaturatedExecute2() {
1145	>	final ThreadPoolExecutor p =
1146	>	new ThreadPoolExecutor(1, 1,
1147	>	LONG_DELAY_MS,
1148	>	MILLISECONDS,
1149	>	new ArrayBlockingQueue<Runnable>(1),
1150	>	new ThreadPoolExecutor.CallerRunsPolicy());
1151	>	try (PoolCleaner cleaner = cleaner(p)) {
1152	>	final CountDownLatch done = new CountDownLatch(1);
1153	>	Runnable blocker = new CheckedRunnable() {
1154	>	public void realRun() throws InterruptedException {
1155	>	await(done);
1156	>	}};
1157	>	p.execute(blocker);
1158	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1159	>	for (int i = 0; i < tasks.length; i++)
1160	>	tasks[i] = new TrackedNoOpRunnable();
1161	>	for (int i = 0; i < tasks.length; i++)
1162	>	p.execute(tasks[i]);
1163	>	for (int i = 1; i < tasks.length; i++)
1164	>	assertTrue(tasks[i].done);
1165	>	assertFalse(tasks[0].done); // waiting in queue
1166	>	done.countDown();
1167	>	}
1168	>	}
1169
1170	<	/** Throws if corePoolSize argument is less than zero */
1171	<	public void testConstructor1() {
1172	<	try{
1173	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1174	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1170	>	/**
1171	>	* executor using DiscardPolicy drops task if saturated.
1172	>	*/
1173	>	public void testSaturatedExecute3() {
1174	>	final CountDownLatch done = new CountDownLatch(1);
1175	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1176	>	for (int i = 0; i < tasks.length; ++i)
1177	>	tasks[i] = new TrackedNoOpRunnable();
1178	>	final ThreadPoolExecutor p =
1179	>	new ThreadPoolExecutor(1, 1,
1180	>	LONG_DELAY_MS, MILLISECONDS,
1181	>	new ArrayBlockingQueue<Runnable>(1),
1182	>	new ThreadPoolExecutor.DiscardPolicy());
1183	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1184	>	p.execute(awaiter(done));
1185	>
1186	>	for (TrackedNoOpRunnable task : tasks)
1187	>	p.execute(task);
1188	>	for (int i = 1; i < tasks.length; i++)
1189	>	assertFalse(tasks[i].done);
1190	>	}
1191	>	for (int i = 1; i < tasks.length; i++)
1192	>	assertFalse(tasks[i].done);
1193	>	assertTrue(tasks[0].done); // was waiting in queue
1194	>	}
1195	>
1196	>	/**
1197	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1198	>	*/
1199	>	public void testSaturatedExecute4() {
1200	>	final CountDownLatch done = new CountDownLatch(1);
1201	>	LatchAwaiter r1 = awaiter(done);
1202	>	LatchAwaiter r2 = awaiter(done);
1203	>	LatchAwaiter r3 = awaiter(done);
1204	>	final ThreadPoolExecutor p =
1205	>	new ThreadPoolExecutor(1, 1,
1206	>	LONG_DELAY_MS, MILLISECONDS,
1207	>	new ArrayBlockingQueue<Runnable>(1),
1208	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1209	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1210	>	assertEquals(LatchAwaiter.NEW, r1.state);
1211	>	assertEquals(LatchAwaiter.NEW, r2.state);
1212	>	assertEquals(LatchAwaiter.NEW, r3.state);
1213	>	p.execute(r1);
1214	>	p.execute(r2);
1215	>	assertTrue(p.getQueue().contains(r2));
1216	>	p.execute(r3);
1217	>	assertFalse(p.getQueue().contains(r2));
1218	>	assertTrue(p.getQueue().contains(r3));
1219	>	}
1220	>	assertEquals(LatchAwaiter.DONE, r1.state);
1221	>	assertEquals(LatchAwaiter.NEW, r2.state);
1222	>	assertEquals(LatchAwaiter.DONE, r3.state);
1223	>	}
1224	>
1225	>	/**
1226	>	* execute throws RejectedExecutionException if shutdown
1227	>	*/
1228	>	public void testRejectedExecutionExceptionOnShutdown() {
1229	>	final ThreadPoolExecutor p =
1230	>	new ThreadPoolExecutor(1, 1,
1231	>	LONG_DELAY_MS, MILLISECONDS,
1232	>	new ArrayBlockingQueue<Runnable>(1));
1233	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1234	>	try (PoolCleaner cleaner = cleaner(p)) {
1235	>	try {
1236	>	p.execute(new NoOpRunnable());
1237	>	shouldThrow();
1238	>	} catch (RejectedExecutionException success) {}
1239		}
242	–	catch (IllegalArgumentException success){}
1240		}
1241	<
1242	<	/** Throws if maximumPoolSize is less than zero */
1243	<	public void testConstructor2() {
1244	<	try{
1245	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1246	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1241	>
1242	>	/**
1243	>	* execute using CallerRunsPolicy drops task on shutdown
1244	>	*/
1245	>	public void testCallerRunsOnShutdown() {
1246	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1247	>	final ThreadPoolExecutor p =
1248	>	new ThreadPoolExecutor(1, 1,
1249	>	LONG_DELAY_MS, MILLISECONDS,
1250	>	new ArrayBlockingQueue<Runnable>(1), h);
1251	>
1252	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1253	>	try (PoolCleaner cleaner = cleaner(p)) {
1254	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1255	>	p.execute(r);
1256	>	assertFalse(r.done);
1257		}
251	–	catch (IllegalArgumentException success){}
1258		}
1259	<
1260	<	/** Throws if maximumPoolSize is equal to zero */
1261	<	public void testConstructor3() {
1262	<	try{
1263	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1264	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1259	>
1260	>	/**
1261	>	* execute using DiscardPolicy drops task on shutdown
1262	>	*/
1263	>	public void testDiscardOnShutdown() {
1264	>	final ThreadPoolExecutor p =
1265	>	new ThreadPoolExecutor(1, 1,
1266	>	LONG_DELAY_MS, MILLISECONDS,
1267	>	new ArrayBlockingQueue<Runnable>(1),
1268	>	new ThreadPoolExecutor.DiscardPolicy());
1269	>
1270	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1271	>	try (PoolCleaner cleaner = cleaner(p)) {
1272	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1273	>	p.execute(r);
1274	>	assertFalse(r.done);
1275		}
260	–	catch (IllegalArgumentException success){}
1276		}
1277
1278	<	/** Throws if keepAliveTime is less than zero */
1279	<	public void testConstructor4() {
1280	<	try{
1281	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1282	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1278	>	/**
1279	>	* execute using DiscardOldestPolicy drops task on shutdown
1280	>	*/
1281	>	public void testDiscardOldestOnShutdown() {
1282	>	final ThreadPoolExecutor p =
1283	>	new ThreadPoolExecutor(1, 1,
1284	>	LONG_DELAY_MS, MILLISECONDS,
1285	>	new ArrayBlockingQueue<Runnable>(1),
1286	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1287	>
1288	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1289	>	try (PoolCleaner cleaner = cleaner(p)) {
1290	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1291	>	p.execute(r);
1292	>	assertFalse(r.done);
1293		}
269	–	catch (IllegalArgumentException success){}
1294		}
1295
1296	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1297	<	public void testConstructor5() {
1298	<	try{
1299	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1300	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1296	>	/**
1297	>	* execute(null) throws NPE
1298	>	*/
1299	>	public void testExecuteNull() {
1300	>	final ThreadPoolExecutor p =
1301	>	new ThreadPoolExecutor(1, 2,
1302	>	1L, SECONDS,
1303	>	new ArrayBlockingQueue<Runnable>(10));
1304	>	try (PoolCleaner cleaner = cleaner(p)) {
1305	>	try {
1306	>	p.execute(null);
1307	>	shouldThrow();
1308	>	} catch (NullPointerException success) {}
1309		}
278	–	catch (IllegalArgumentException success){}
1310		}
1311	<
1312	<	/** Throws if workQueue is set to null */
1313	<	public void testNullPointerException() {
1314	<	try{
1315	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
1316	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1311	>
1312	>	/**
1313	>	* setCorePoolSize of negative value throws IllegalArgumentException
1314	>	*/
1315	>	public void testCorePoolSizeIllegalArgumentException() {
1316	>	final ThreadPoolExecutor p =
1317	>	new ThreadPoolExecutor(1, 2,
1318	>	LONG_DELAY_MS, MILLISECONDS,
1319	>	new ArrayBlockingQueue<Runnable>(10));
1320	>	try (PoolCleaner cleaner = cleaner(p)) {
1321	>	try {
1322	>	p.setCorePoolSize(-1);
1323	>	shouldThrow();
1324	>	} catch (IllegalArgumentException success) {}
1325		}
287	–	catch (NullPointerException success){}
1326		}
289	–
1327
1328	<
1329	<	/** Throws if corePoolSize argument is less than zero */
1330	<	public void testConstructor6() {
1331	<	try{
1332	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1333	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1334	<	} catch (IllegalArgumentException success){}
1328	>	/**
1329	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1330	>	* given a value less the core pool size
1331	>	*/
1332	>	public void testMaximumPoolSizeIllegalArgumentException() {
1333	>	final ThreadPoolExecutor p =
1334	>	new ThreadPoolExecutor(2, 3,
1335	>	LONG_DELAY_MS, MILLISECONDS,
1336	>	new ArrayBlockingQueue<Runnable>(10));
1337	>	try (PoolCleaner cleaner = cleaner(p)) {
1338	>	try {
1339	>	p.setMaximumPoolSize(1);
1340	>	shouldThrow();
1341	>	} catch (IllegalArgumentException success) {}
1342	>	}
1343		}
1344	<
1345	<	/** Throws if maximumPoolSize is less than zero */
1346	<	public void testConstructor7() {
1347	<	try{
1348	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1349	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1344	>
1345	>	/**
1346	>	* setMaximumPoolSize throws IllegalArgumentException
1347	>	* if given a negative value
1348	>	*/
1349	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1350	>	final ThreadPoolExecutor p =
1351	>	new ThreadPoolExecutor(2, 3,
1352	>	LONG_DELAY_MS, MILLISECONDS,
1353	>	new ArrayBlockingQueue<Runnable>(10));
1354	>	try (PoolCleaner cleaner = cleaner(p)) {
1355	>	try {
1356	>	p.setMaximumPoolSize(-1);
1357	>	shouldThrow();
1358	>	} catch (IllegalArgumentException success) {}
1359		}
306	–	catch (IllegalArgumentException success){}
1360		}
1361
1362	<	/** Throws if maximumPoolSize is equal to zero */
1363	<	public void testConstructor8() {
1364	<	try{
1365	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1366	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1362	>	/**
1363	>	* Configuration changes that allow core pool size greater than
1364	>	* max pool size result in IllegalArgumentException.
1365	>	*/
1366	>	public void testPoolSizeInvariants() {
1367	>	final ThreadPoolExecutor p =
1368	>	new ThreadPoolExecutor(1, 1,
1369	>	LONG_DELAY_MS, MILLISECONDS,
1370	>	new ArrayBlockingQueue<Runnable>(10));
1371	>	try (PoolCleaner cleaner = cleaner(p)) {
1372	>	for (int s = 1; s < 5; s++) {
1373	>	p.setMaximumPoolSize(s);
1374	>	p.setCorePoolSize(s);
1375	>	try {
1376	>	p.setMaximumPoolSize(s - 1);
1377	>	shouldThrow();
1378	>	} catch (IllegalArgumentException success) {}
1379	>	assertEquals(s, p.getCorePoolSize());
1380	>	assertEquals(s, p.getMaximumPoolSize());
1381	>	try {
1382	>	p.setCorePoolSize(s + 1);
1383	>	shouldThrow();
1384	>	} catch (IllegalArgumentException success) {}
1385	>	assertEquals(s, p.getCorePoolSize());
1386	>	assertEquals(s, p.getMaximumPoolSize());
1387	>	}
1388		}
315	–	catch (IllegalArgumentException success){}
1389		}
1390
1391	<	/** Throws if keepAliveTime is less than zero */
1392	<	public void testConstructor9() {
1393	<	try{
1394	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1395	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1391	>	/**
1392	>	* setKeepAliveTime throws IllegalArgumentException
1393	>	* when given a negative value
1394	>	*/
1395	>	public void testKeepAliveTimeIllegalArgumentException() {
1396	>	final ThreadPoolExecutor p =
1397	>	new ThreadPoolExecutor(2, 3,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400	>	try (PoolCleaner cleaner = cleaner(p)) {
1401	>	try {
1402	>	p.setKeepAliveTime(-1, MILLISECONDS);
1403	>	shouldThrow();
1404	>	} catch (IllegalArgumentException success) {}
1405		}
324	–	catch (IllegalArgumentException success){}
1406		}
1407
1408	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1409	<	public void testConstructor10() {
1410	<	try{
1411	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
1412	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1408	>	/**
1409	>	* terminated() is called on termination
1410	>	*/
1411	>	public void testTerminated() {
1412	>	ExtendedTPE p = new ExtendedTPE();
1413	>	try (PoolCleaner cleaner = cleaner(p)) {
1414	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1415	>	assertTrue(p.terminatedCalled());
1416	>	assertTrue(p.isShutdown());
1417		}
333	–	catch (IllegalArgumentException success){}
1418		}
1419
1420	<	/** Throws if workQueue is set to null */
1421	<	public void testNullPointerException2() {
1422	<	try{
1423	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1424	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1420	>	/**
1421	>	* beforeExecute and afterExecute are called when executing task
1422	>	*/
1423	>	public void testBeforeAfter() throws InterruptedException {
1424	>	ExtendedTPE p = new ExtendedTPE();
1425	>	try (PoolCleaner cleaner = cleaner(p)) {
1426	>	final CountDownLatch done = new CountDownLatch(1);
1427	>	p.execute(new CheckedRunnable() {
1428	>	public void realRun() {
1429	>	done.countDown();
1430	>	}});
1431	>	await(p.afterCalled);
1432	>	assertEquals(0, done.getCount());
1433	>	assertTrue(p.afterCalled());
1434	>	assertTrue(p.beforeCalled());
1435		}
342	–	catch (NullPointerException success){}
1436		}
1437
1438	<	/** Throws if threadFactory is set to null */
1439	<	public void testNullPointerException3() {
1440	<	try{
1441	<	ThreadFactory f = null;
1442	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1443	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1438	>	/**
1439	>	* completed submit of callable returns result
1440	>	*/
1441	>	public void testSubmitCallable() throws Exception {
1442	>	final ExecutorService e =
1443	>	new ThreadPoolExecutor(2, 2,
1444	>	LONG_DELAY_MS, MILLISECONDS,
1445	>	new ArrayBlockingQueue<Runnable>(10));
1446	>	try (PoolCleaner cleaner = cleaner(e)) {
1447	>	Future<String> future = e.submit(new StringTask());
1448	>	String result = future.get();
1449	>	assertSame(TEST_STRING, result);
1450		}
352	–	catch (NullPointerException success){}
1451		}
1452	<
1453	<
1454	<	/** Throws if corePoolSize argument is less than zero */
1455	<	public void testConstructor11() {
1456	<	try{
1457	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1458	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1452	>
1453	>	/**
1454	>	* completed submit of runnable returns successfully
1455	>	*/
1456	>	public void testSubmitRunnable() throws Exception {
1457	>	final ExecutorService e =
1458	>	new ThreadPoolExecutor(2, 2,
1459	>	LONG_DELAY_MS, MILLISECONDS,
1460	>	new ArrayBlockingQueue<Runnable>(10));
1461	>	try (PoolCleaner cleaner = cleaner(e)) {
1462	>	Future<?> future = e.submit(new NoOpRunnable());
1463	>	future.get();
1464	>	assertTrue(future.isDone());
1465		}
362	–	catch (IllegalArgumentException success){}
1466		}
1467
1468	<	/** Throws if maximumPoolSize is less than zero */
1469	<	public void testConstructor12() {
1470	<	try{
1471	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1472	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1468	>	/**
1469	>	* completed submit of (runnable, result) returns result
1470	>	*/
1471	>	public void testSubmitRunnable2() throws Exception {
1472	>	final ExecutorService e =
1473	>	new ThreadPoolExecutor(2, 2,
1474	>	LONG_DELAY_MS, MILLISECONDS,
1475	>	new ArrayBlockingQueue<Runnable>(10));
1476	>	try (PoolCleaner cleaner = cleaner(e)) {
1477	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1478	>	String result = future.get();
1479	>	assertSame(TEST_STRING, result);
1480		}
371	–	catch (IllegalArgumentException success){}
1481		}
1482
1483	<	/** Throws if maximumPoolSize is equal to zero */
1484	<	public void testConstructor13() {
1485	<	try{
1486	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1487	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1483	>	/**
1484	>	* invokeAny(null) throws NPE
1485	>	*/
1486	>	public void testInvokeAny1() throws Exception {
1487	>	final ExecutorService e =
1488	>	new ThreadPoolExecutor(2, 2,
1489	>	LONG_DELAY_MS, MILLISECONDS,
1490	>	new ArrayBlockingQueue<Runnable>(10));
1491	>	try (PoolCleaner cleaner = cleaner(e)) {
1492	>	try {
1493	>	e.invokeAny(null);
1494	>	shouldThrow();
1495	>	} catch (NullPointerException success) {}
1496		}
380	–	catch (IllegalArgumentException success){}
1497		}
1498
1499	<	/** Throws if keepAliveTime is less than zero */
1500	<	public void testConstructor14() {
1501	<	try{
1502	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1503	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1499	>	/**
1500	>	* invokeAny(empty collection) throws IllegalArgumentException
1501	>	*/
1502	>	public void testInvokeAny2() throws Exception {
1503	>	final ExecutorService e =
1504	>	new ThreadPoolExecutor(2, 2,
1505	>	LONG_DELAY_MS, MILLISECONDS,
1506	>	new ArrayBlockingQueue<Runnable>(10));
1507	>	try (PoolCleaner cleaner = cleaner(e)) {
1508	>	try {
1509	>	e.invokeAny(new ArrayList<Callable<String>>());
1510	>	shouldThrow();
1511	>	} catch (IllegalArgumentException success) {}
1512		}
389	–	catch (IllegalArgumentException success){}
1513		}
1514
1515	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1516	<	public void testConstructor15() {
1517	<	try{
1518	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1519	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1515	>	/**
1516	>	* invokeAny(c) throws NPE if c has null elements
1517	>	*/
1518	>	public void testInvokeAny3() throws Exception {
1519	>	final CountDownLatch latch = new CountDownLatch(1);
1520	>	final ExecutorService e =
1521	>	new ThreadPoolExecutor(2, 2,
1522	>	LONG_DELAY_MS, MILLISECONDS,
1523	>	new ArrayBlockingQueue<Runnable>(10));
1524	>	try (PoolCleaner cleaner = cleaner(e)) {
1525	>	List<Callable<String>> l = new ArrayList<>();
1526	>	l.add(latchAwaitingStringTask(latch));
1527	>	l.add(null);
1528	>	try {
1529	>	e.invokeAny(l);
1530	>	shouldThrow();
1531	>	} catch (NullPointerException success) {}
1532	>	latch.countDown();
1533		}
398	–	catch (IllegalArgumentException success){}
1534		}
1535
1536	<	/** Throws if workQueue is set to null */
1537	<	public void testNullPointerException4() {
1538	<	try{
1539	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1540	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1536	>	/**
1537	>	* invokeAny(c) throws ExecutionException if no task completes
1538	>	*/
1539	>	public void testInvokeAny4() throws Exception {
1540	>	final ExecutorService e =
1541	>	new ThreadPoolExecutor(2, 2,
1542	>	LONG_DELAY_MS, MILLISECONDS,
1543	>	new ArrayBlockingQueue<Runnable>(10));
1544	>	try (PoolCleaner cleaner = cleaner(e)) {
1545	>	List<Callable<String>> l = new ArrayList<>();
1546	>	l.add(new NPETask());
1547	>	try {
1548	>	e.invokeAny(l);
1549	>	shouldThrow();
1550	>	} catch (ExecutionException success) {
1551	>	assertTrue(success.getCause() instanceof NullPointerException);
1552	>	}
1553		}
407	–	catch (NullPointerException success){}
1554		}
1555
1556	<	/** Throws if handler is set to null */
1557	<	public void testNullPointerException5() {
1558	<	try{
1559	<	RejectedExecutionHandler r = null;
1560	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1561	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1556	>	/**
1557	>	* invokeAny(c) returns result of some task
1558	>	*/
1559	>	public void testInvokeAny5() throws Exception {
1560	>	final ExecutorService e =
1561	>	new ThreadPoolExecutor(2, 2,
1562	>	LONG_DELAY_MS, MILLISECONDS,
1563	>	new ArrayBlockingQueue<Runnable>(10));
1564	>	try (PoolCleaner cleaner = cleaner(e)) {
1565	>	List<Callable<String>> l = new ArrayList<>();
1566	>	l.add(new StringTask());
1567	>	l.add(new StringTask());
1568	>	String result = e.invokeAny(l);
1569	>	assertSame(TEST_STRING, result);
1570		}
417	–	catch (NullPointerException success){}
1571		}
1572
1573	<
1574	<	/** Throws if corePoolSize argument is less than zero */
1575	<	public void testConstructor16() {
1576	<	try{
1577	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1578	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1573	>	/**
1574	>	* invokeAll(null) throws NPE
1575	>	*/
1576	>	public void testInvokeAll1() throws Exception {
1577	>	final ExecutorService e =
1578	>	new ThreadPoolExecutor(2, 2,
1579	>	LONG_DELAY_MS, MILLISECONDS,
1580	>	new ArrayBlockingQueue<Runnable>(10));
1581	>	try (PoolCleaner cleaner = cleaner(e)) {
1582	>	try {
1583	>	e.invokeAll(null);
1584	>	shouldThrow();
1585	>	} catch (NullPointerException success) {}
1586		}
427	–	catch (IllegalArgumentException success){}
1587		}
1588
1589	<	/** Throws if maximumPoolSize is less than zero */
1590	<	public void testConstructor17() {
1591	<	try{
1592	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1593	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1589	>	/**
1590	>	* invokeAll(empty collection) returns empty list
1591	>	*/
1592	>	public void testInvokeAll2() throws InterruptedException {
1593	>	final ExecutorService e =
1594	>	new ThreadPoolExecutor(2, 2,
1595	>	LONG_DELAY_MS, MILLISECONDS,
1596	>	new ArrayBlockingQueue<Runnable>(10));
1597	>	final Collection<Callable<String>> emptyCollection
1598	>	= Collections.emptyList();
1599	>	try (PoolCleaner cleaner = cleaner(e)) {
1600	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1601	>	assertTrue(r.isEmpty());
1602		}
436	–	catch (IllegalArgumentException success){}
1603		}
1604
1605	<	/** Throws if maximumPoolSize is equal to zero */
1606	<	public void testConstructor18() {
1607	<	try{
1608	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1609	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1605	>	/**
1606	>	* invokeAll(c) throws NPE if c has null elements
1607	>	*/
1608	>	public void testInvokeAll3() throws Exception {
1609	>	final ExecutorService e =
1610	>	new ThreadPoolExecutor(2, 2,
1611	>	LONG_DELAY_MS, MILLISECONDS,
1612	>	new ArrayBlockingQueue<Runnable>(10));
1613	>	try (PoolCleaner cleaner = cleaner(e)) {
1614	>	List<Callable<String>> l = new ArrayList<>();
1615	>	l.add(new StringTask());
1616	>	l.add(null);
1617	>	try {
1618	>	e.invokeAll(l);
1619	>	shouldThrow();
1620	>	} catch (NullPointerException success) {}
1621		}
445	–	catch (IllegalArgumentException success){}
1622		}
1623
1624	<	/** Throws if keepAliveTime is less than zero */
1625	<	public void testConstructor19() {
1626	<	try{
1627	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1628	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1624	>	/**
1625	>	* get of element of invokeAll(c) throws exception on failed task
1626	>	*/
1627	>	public void testInvokeAll4() throws Exception {
1628	>	final ExecutorService e =
1629	>	new ThreadPoolExecutor(2, 2,
1630	>	LONG_DELAY_MS, MILLISECONDS,
1631	>	new ArrayBlockingQueue<Runnable>(10));
1632	>	try (PoolCleaner cleaner = cleaner(e)) {
1633	>	List<Callable<String>> l = new ArrayList<>();
1634	>	l.add(new NPETask());
1635	>	List<Future<String>> futures = e.invokeAll(l);
1636	>	assertEquals(1, futures.size());
1637	>	try {
1638	>	futures.get(0).get();
1639	>	shouldThrow();
1640	>	} catch (ExecutionException success) {
1641	>	assertTrue(success.getCause() instanceof NullPointerException);
1642	>	}
1643		}
454	–	catch (IllegalArgumentException success){}
1644		}
1645
1646	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1647	<	public void testConstructor20() {
1648	<	try{
1649	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1650	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1651	<	}
1652	<	catch (IllegalArgumentException success){}
1653	<	}
1654	<
1655	<	/** Throws if workQueue is set to null */
1656	<	public void testNullPointerException6() {
1657	<	try{
1658	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1659	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1660	<	}
1661	<	catch (NullPointerException success){}
1662	<	}
1663	<
1664	<	/** Throws if handler is set to null */
1665	<	public void testNullPointerException7() {
1666	<	try{
1667	<	RejectedExecutionHandler r = null;
1668	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1669	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1670	<	}
1671	<	catch (NullPointerException success){}
1672	<	}
1673	<
1674	<	/** Throws if ThreadFactory is set top null */
1675	<	public void testNullPointerException8() {
1676	<	try{
1677	<	ThreadFactory f = null;
1678	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1679	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1680	<	}
1681	<	catch (NullPointerException successdn8){}
1682	<	}
1683	<
1684	<
1685	<	/**
1686	<	*   execute will throw RejectedExcutionException
1687	<	*  ThreadPoolExecutor will throw one when more runnables are
1688	<	*  executed then will fit in the Queue.
1689	<	*/
1690	<	public void testRejectedExecutionException(){
1691	<	ThreadPoolExecutor tpe = null;
1692	<	try{
1693	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1694	<	} catch(Exception e){}
1695	<	tpe.shutdown();
1696	<	try{
1697	<	tpe.execute(new NoOpRunnable());
1698	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1699	<	} catch(RejectedExecutionException success){}
1700	<
1701	<	joinPool(tpe);
1702	<	}
1703	<
1704	<	/**
1705	<	*   setCorePoolSize will throw IllegalArgumentException
1706	<	*  when given a negative
1707	<	*/
1708	<	public void testCorePoolSizeIllegalArgumentException(){
1709	<	ThreadPoolExecutor tpe = null;
1710	<	try{
1711	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1712	<	} catch(Exception e){}
1713	<	try{
1714	<	tpe.setCorePoolSize(-1);
1715	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1716	<	} catch(IllegalArgumentException success){
1717	<	} finally {
1718	<	tpe.shutdown();
1719	<	}
1720	<	joinPool(tpe);
1721	<	}
1722	<
1723	<
1724	<	/**
1725	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1726	<	*  if given a value less the it's actual core pool size
1727	<	*/
1728	<	public void testMaximumPoolSizeIllegalArgumentException(){
1729	<	ThreadPoolExecutor tpe = null;
1730	<	try{
1731	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1732	<	} catch(Exception e){}
1733	<	try{
545	<	tpe.setMaximumPoolSize(1);
546	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
548	<	} finally {
549	<	tpe.shutdown();
550	<	}
551	<	joinPool(tpe);
552	<	}
553	<
554	<	/**
555	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
557	<	*/
558	<	public void testMaximumPoolSizeIllegalArgumentException2(){
559	<	ThreadPoolExecutor tpe = null;
560	<	try{
561	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562	<	} catch(Exception e){}
563	<	try{
564	<	tpe.setMaximumPoolSize(-1);
565	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
566	<	} catch(IllegalArgumentException success){
567	<	} finally {
568	<	tpe.shutdown();
569	<	}
570	<	joinPool(tpe);
571	<	}
572	<
573	<
574	<	/**
575	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
577	<	*/
578	<	public void testKeepAliveTimeIllegalArgumentException(){
579	<	ThreadPoolExecutor tpe = null;
580	<	try{
581	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
582	<	} catch(Exception e){}
583	<
584	<	try{
585	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
586	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
587	<	} catch(IllegalArgumentException success){
588	<	} finally {
589	<	tpe.shutdown();
1646	>	/**
1647	>	* invokeAll(c) returns results of all completed tasks
1648	>	*/
1649	>	public void testInvokeAll5() throws Exception {
1650	>	final ExecutorService e =
1651	>	new ThreadPoolExecutor(2, 2,
1652	>	LONG_DELAY_MS, MILLISECONDS,
1653	>	new ArrayBlockingQueue<Runnable>(10));
1654	>	try (PoolCleaner cleaner = cleaner(e)) {
1655	>	List<Callable<String>> l = new ArrayList<>();
1656	>	l.add(new StringTask());
1657	>	l.add(new StringTask());
1658	>	List<Future<String>> futures = e.invokeAll(l);
1659	>	assertEquals(2, futures.size());
1660	>	for (Future<String> future : futures)
1661	>	assertSame(TEST_STRING, future.get());
1662	>	}
1663	>	}
1664	>
1665	>	/**
1666	>	* timed invokeAny(null) throws NPE
1667	>	*/
1668	>	public void testTimedInvokeAny1() throws Exception {
1669	>	final ExecutorService e =
1670	>	new ThreadPoolExecutor(2, 2,
1671	>	LONG_DELAY_MS, MILLISECONDS,
1672	>	new ArrayBlockingQueue<Runnable>(10));
1673	>	try (PoolCleaner cleaner = cleaner(e)) {
1674	>	try {
1675	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1676	>	shouldThrow();
1677	>	} catch (NullPointerException success) {}
1678	>	}
1679	>	}
1680	>
1681	>	/**
1682	>	* timed invokeAny(,,null) throws NPE
1683	>	*/
1684	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1685	>	final ExecutorService e =
1686	>	new ThreadPoolExecutor(2, 2,
1687	>	LONG_DELAY_MS, MILLISECONDS,
1688	>	new ArrayBlockingQueue<Runnable>(10));
1689	>	try (PoolCleaner cleaner = cleaner(e)) {
1690	>	List<Callable<String>> l = new ArrayList<>();
1691	>	l.add(new StringTask());
1692	>	try {
1693	>	e.invokeAny(l, randomTimeout(), null);
1694	>	shouldThrow();
1695	>	} catch (NullPointerException success) {}
1696	>	}
1697	>	}
1698	>
1699	>	/**
1700	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1701	>	*/
1702	>	public void testTimedInvokeAny2() throws Exception {
1703	>	final ExecutorService e =
1704	>	new ThreadPoolExecutor(2, 2,
1705	>	LONG_DELAY_MS, MILLISECONDS,
1706	>	new ArrayBlockingQueue<Runnable>(10));
1707	>	try (PoolCleaner cleaner = cleaner(e)) {
1708	>	try {
1709	>	e.invokeAny(new ArrayList<Callable<String>>(),
1710	>	randomTimeout(), randomTimeUnit());
1711	>	shouldThrow();
1712	>	} catch (IllegalArgumentException success) {}
1713	>	}
1714	>	}
1715	>
1716	>	/**
1717	>	* timed invokeAny(c) throws NullPointerException if c has null elements
1718	>	*/
1719	>	public void testTimedInvokeAny3() throws Exception {
1720	>	final CountDownLatch latch = new CountDownLatch(1);
1721	>	final ExecutorService e =
1722	>	new ThreadPoolExecutor(2, 2,
1723	>	LONG_DELAY_MS, MILLISECONDS,
1724	>	new ArrayBlockingQueue<Runnable>(10));
1725	>	try (PoolCleaner cleaner = cleaner(e)) {
1726	>	List<Callable<String>> l = new ArrayList<>();
1727	>	l.add(latchAwaitingStringTask(latch));
1728	>	l.add(null);
1729	>	try {
1730	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1731	>	shouldThrow();
1732	>	} catch (NullPointerException success) {}
1733	>	latch.countDown();
1734		}
591	–	joinPool(tpe);
1735		}
1736	<
1736	>
1737	>	/**
1738	>	* timed invokeAny(c) throws ExecutionException if no task completes
1739	>	*/
1740	>	public void testTimedInvokeAny4() throws Exception {
1741	>	final ExecutorService e =
1742	>	new ThreadPoolExecutor(2, 2,
1743	>	LONG_DELAY_MS, MILLISECONDS,
1744	>	new ArrayBlockingQueue<Runnable>(10));
1745	>	try (PoolCleaner cleaner = cleaner(e)) {
1746	>	long startTime = System.nanoTime();
1747	>	List<Callable<String>> l = new ArrayList<>();
1748	>	l.add(new NPETask());
1749	>	try {
1750	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1751	>	shouldThrow();
1752	>	} catch (ExecutionException success) {
1753	>	assertTrue(success.getCause() instanceof NullPointerException);
1754	>	}
1755	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1756	>	}
1757	>	}
1758	>
1759	>	/**
1760	>	* timed invokeAny(c) returns result of some task
1761	>	*/
1762	>	public void testTimedInvokeAny5() throws Exception {
1763	>	final ExecutorService e =
1764	>	new ThreadPoolExecutor(2, 2,
1765	>	LONG_DELAY_MS, MILLISECONDS,
1766	>	new ArrayBlockingQueue<Runnable>(10));
1767	>	try (PoolCleaner cleaner = cleaner(e)) {
1768	>	long startTime = System.nanoTime();
1769	>	List<Callable<String>> l = new ArrayList<>();
1770	>	l.add(new StringTask());
1771	>	l.add(new StringTask());
1772	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1773	>	assertSame(TEST_STRING, result);
1774	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1775	>	}
1776	>	}
1777	>
1778	>	/**
1779	>	* timed invokeAll(null) throws NPE
1780	>	*/
1781	>	public void testTimedInvokeAll1() throws Exception {
1782	>	final ExecutorService e =
1783	>	new ThreadPoolExecutor(2, 2,
1784	>	LONG_DELAY_MS, MILLISECONDS,
1785	>	new ArrayBlockingQueue<Runnable>(10));
1786	>	try (PoolCleaner cleaner = cleaner(e)) {
1787	>	try {
1788	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1789	>	shouldThrow();
1790	>	} catch (NullPointerException success) {}
1791	>	}
1792	>	}
1793	>
1794	>	/**
1795	>	* timed invokeAll(,,null) throws NPE
1796	>	*/
1797	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1798	>	final ExecutorService e =
1799	>	new ThreadPoolExecutor(2, 2,
1800	>	LONG_DELAY_MS, MILLISECONDS,
1801	>	new ArrayBlockingQueue<Runnable>(10));
1802	>	try (PoolCleaner cleaner = cleaner(e)) {
1803	>	List<Callable<String>> l = new ArrayList<>();
1804	>	l.add(new StringTask());
1805	>	try {
1806	>	e.invokeAll(l, randomTimeout(), null);
1807	>	shouldThrow();
1808	>	} catch (NullPointerException success) {}
1809	>	}
1810	>	}
1811	>
1812	>	/**
1813	>	* timed invokeAll(empty collection) returns empty list
1814	>	*/
1815	>	public void testTimedInvokeAll2() throws InterruptedException {
1816	>	final ExecutorService e =
1817	>	new ThreadPoolExecutor(2, 2,
1818	>	LONG_DELAY_MS, MILLISECONDS,
1819	>	new ArrayBlockingQueue<Runnable>(10));
1820	>	final Collection<Callable<String>> emptyCollection
1821	>	= Collections.emptyList();
1822	>	try (PoolCleaner cleaner = cleaner(e)) {
1823	>	List<Future<String>> r =
1824	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1825	>	assertTrue(r.isEmpty());
1826	>	}
1827	>	}
1828	>
1829	>	/**
1830	>	* timed invokeAll(c) throws NPE if c has null elements
1831	>	*/
1832	>	public void testTimedInvokeAll3() throws Exception {
1833	>	final ExecutorService e =
1834	>	new ThreadPoolExecutor(2, 2,
1835	>	LONG_DELAY_MS, MILLISECONDS,
1836	>	new ArrayBlockingQueue<Runnable>(10));
1837	>	try (PoolCleaner cleaner = cleaner(e)) {
1838	>	List<Callable<String>> l = new ArrayList<>();
1839	>	l.add(new StringTask());
1840	>	l.add(null);
1841	>	try {
1842	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1843	>	shouldThrow();
1844	>	} catch (NullPointerException success) {}
1845	>	}
1846	>	}
1847	>
1848	>	/**
1849	>	* get of element of invokeAll(c) throws exception on failed task
1850	>	*/
1851	>	public void testTimedInvokeAll4() throws Exception {
1852	>	final ExecutorService e =
1853	>	new ThreadPoolExecutor(2, 2,
1854	>	LONG_DELAY_MS, MILLISECONDS,
1855	>	new ArrayBlockingQueue<Runnable>(10));
1856	>	try (PoolCleaner cleaner = cleaner(e)) {
1857	>	List<Callable<String>> l = new ArrayList<>();
1858	>	l.add(new NPETask());
1859	>	List<Future<String>> futures =
1860	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1861	>	assertEquals(1, futures.size());
1862	>	try {
1863	>	futures.get(0).get();
1864	>	shouldThrow();
1865	>	} catch (ExecutionException success) {
1866	>	assertTrue(success.getCause() instanceof NullPointerException);
1867	>	}
1868	>	}
1869	>	}
1870	>
1871	>	/**
1872	>	* timed invokeAll(c) returns results of all completed tasks
1873	>	*/
1874	>	public void testTimedInvokeAll5() throws Exception {
1875	>	final ExecutorService e =
1876	>	new ThreadPoolExecutor(2, 2,
1877	>	LONG_DELAY_MS, MILLISECONDS,
1878	>	new ArrayBlockingQueue<Runnable>(10));
1879	>	try (PoolCleaner cleaner = cleaner(e)) {
1880	>	List<Callable<String>> l = new ArrayList<>();
1881	>	l.add(new StringTask());
1882	>	l.add(new StringTask());
1883	>	List<Future<String>> futures =
1884	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1885	>	assertEquals(2, futures.size());
1886	>	for (Future<String> future : futures)
1887	>	assertSame(TEST_STRING, future.get());
1888	>	}
1889	>	}
1890	>
1891	>	/**
1892	>	* timed invokeAll(c) cancels tasks not completed by timeout
1893	>	*/
1894	>	public void testTimedInvokeAll6() throws Exception {
1895	>	for (long timeout = timeoutMillis();;) {
1896	>	final CountDownLatch done = new CountDownLatch(1);
1897	>	final Callable<String> waiter = new CheckedCallable<String>() {
1898	>	public String realCall() {
1899	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1900	>	catch (InterruptedException ok) {}
1901	>	return "1"; }};
1902	>	final ExecutorService p =
1903	>	new ThreadPoolExecutor(2, 2,
1904	>	LONG_DELAY_MS, MILLISECONDS,
1905	>	new ArrayBlockingQueue<Runnable>(10));
1906	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1907	>	List<Callable<String>> tasks = new ArrayList<>();
1908	>	tasks.add(new StringTask("0"));
1909	>	tasks.add(waiter);
1910	>	tasks.add(new StringTask("2"));
1911	>	long startTime = System.nanoTime();
1912	>	List<Future<String>> futures =
1913	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1914	>	assertEquals(tasks.size(), futures.size());
1915	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1916	>	for (Future future : futures)
1917	>	assertTrue(future.isDone());
1918	>	assertTrue(futures.get(1).isCancelled());
1919	>	try {
1920	>	assertEquals("0", futures.get(0).get());
1921	>	assertEquals("2", futures.get(2).get());
1922	>	break;
1923	>	} catch (CancellationException retryWithLongerTimeout) {
1924	>	timeout *= 2;
1925	>	if (timeout >= LONG_DELAY_MS / 2)
1926	>	fail("expected exactly one task to be cancelled");
1927	>	}
1928	>	}
1929	>	}
1930	>	}
1931	>
1932	>	/**
1933	>	* Execution continues if there is at least one thread even if
1934	>	* thread factory fails to create more
1935	>	*/
1936	>	public void testFailingThreadFactory() throws InterruptedException {
1937	>	final ExecutorService e =
1938	>	new ThreadPoolExecutor(100, 100,
1939	>	LONG_DELAY_MS, MILLISECONDS,
1940	>	new LinkedBlockingQueue<Runnable>(),
1941	>	new FailingThreadFactory());
1942	>	try (PoolCleaner cleaner = cleaner(e)) {
1943	>	final int TASKS = 100;
1944	>	final CountDownLatch done = new CountDownLatch(TASKS);
1945	>	for (int k = 0; k < TASKS; ++k)
1946	>	e.execute(new CheckedRunnable() {
1947	>	public void realRun() {
1948	>	done.countDown();
1949	>	}});
1950	>	await(done);
1951	>	}
1952	>	}
1953	>
1954	>	/**
1955	>	* allowsCoreThreadTimeOut is by default false.
1956	>	*/
1957	>	public void testAllowsCoreThreadTimeOut() {
1958	>	final ThreadPoolExecutor p =
1959	>	new ThreadPoolExecutor(2, 2,
1960	>	1000, MILLISECONDS,
1961	>	new ArrayBlockingQueue<Runnable>(10));
1962	>	try (PoolCleaner cleaner = cleaner(p)) {
1963	>	assertFalse(p.allowsCoreThreadTimeOut());
1964	>	}
1965	>	}
1966	>
1967	>	/**
1968	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1969	>	*/
1970	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1971	>	long keepAliveTime = timeoutMillis();
1972	>	final ThreadPoolExecutor p =
1973	>	new ThreadPoolExecutor(2, 10,
1974	>	keepAliveTime, MILLISECONDS,
1975	>	new ArrayBlockingQueue<Runnable>(10));
1976	>	try (PoolCleaner cleaner = cleaner(p)) {
1977	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1978	>	p.allowCoreThreadTimeOut(true);
1979	>	p.execute(new CheckedRunnable() {
1980	>	public void realRun() {
1981	>	threadStarted.countDown();
1982	>	assertEquals(1, p.getPoolSize());
1983	>	}});
1984	>	await(threadStarted);
1985	>	delay(keepAliveTime);
1986	>	long startTime = System.nanoTime();
1987	>	while (p.getPoolSize() > 0
1988	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1989	>	Thread.yield();
1990	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1991	>	assertEquals(0, p.getPoolSize());
1992	>	}
1993	>	}
1994	>
1995	>	/**
1996	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1997	>	*/
1998	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1999	>	long keepAliveTime = timeoutMillis();
2000	>	final ThreadPoolExecutor p =
2001	>	new ThreadPoolExecutor(2, 10,
2002	>	keepAliveTime, MILLISECONDS,
2003	>	new ArrayBlockingQueue<Runnable>(10));
2004	>	try (PoolCleaner cleaner = cleaner(p)) {
2005	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2006	>	p.allowCoreThreadTimeOut(false);
2007	>	p.execute(new CheckedRunnable() {
2008	>	public void realRun() throws InterruptedException {
2009	>	threadStarted.countDown();
2010	>	assertTrue(p.getPoolSize() >= 1);
2011	>	}});
2012	>	delay(2 * keepAliveTime);
2013	>	assertTrue(p.getPoolSize() >= 1);
2014	>	}
2015	>	}
2016	>
2017	>	/**
2018	>	* execute allows the same task to be submitted multiple times, even
2019	>	* if rejected
2020	>	*/
2021	>	public void testRejectedRecycledTask() throws InterruptedException {
2022	>	final int nTasks = 1000;
2023	>	final CountDownLatch done = new CountDownLatch(nTasks);
2024	>	final Runnable recycledTask = new Runnable() {
2025	>	public void run() {
2026	>	done.countDown();
2027	>	}};
2028	>	final ThreadPoolExecutor p =
2029	>	new ThreadPoolExecutor(1, 30,
2030	>	60, SECONDS,
2031	>	new ArrayBlockingQueue(30));
2032	>	try (PoolCleaner cleaner = cleaner(p)) {
2033	>	for (int i = 0; i < nTasks; ++i) {
2034	>	for (;;) {
2035	>	try {
2036	>	p.execute(recycledTask);
2037	>	break;
2038	>	}
2039	>	catch (RejectedExecutionException ignore) {}
2040	>	}
2041	>	}
2042	>	// enough time to run all tasks
2043	>	await(done, nTasks * SHORT_DELAY_MS);
2044	>	}
2045	>	}
2046	>
2047	>	/**
2048	>	* get(cancelled task) throws CancellationException
2049	>	*/
2050	>	public void testGet_cancelled() throws Exception {
2051	>	final CountDownLatch done = new CountDownLatch(1);
2052	>	final ExecutorService e =
2053	>	new ThreadPoolExecutor(1, 1,
2054	>	LONG_DELAY_MS, MILLISECONDS,
2055	>	new LinkedBlockingQueue<Runnable>());
2056	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2057	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2058	>	final List<Future<?>> futures = new ArrayList<>();
2059	>	for (int i = 0; i < 2; i++) {
2060	>	Runnable r = new CheckedRunnable() { public void realRun()
2061	>	throws Throwable {
2062	>	blockerStarted.countDown();
2063	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2064	>	}};
2065	>	futures.add(e.submit(r));
2066	>	}
2067	>	await(blockerStarted);
2068	>	for (Future<?> future : futures) future.cancel(false);
2069	>	for (Future<?> future : futures) {
2070	>	try {
2071	>	future.get();
2072	>	shouldThrow();
2073	>	} catch (CancellationException success) {}
2074	>	try {
2075	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2076	>	shouldThrow();
2077	>	} catch (CancellationException success) {}
2078	>	assertTrue(future.isCancelled());
2079	>	assertTrue(future.isDone());
2080	>	}
2081	>	}
2082	>	}
2083	>
2084	>	public void testAbortPolicy() {
2085	>	final RejectedExecutionHandler handler =
2086	>	new ThreadPoolExecutor.AbortPolicy();
2087	>	final ThreadPoolExecutor p =
2088	>	new ThreadPoolExecutor(1, 1,
2089	>	LONG_DELAY_MS, MILLISECONDS,
2090	>	new ArrayBlockingQueue<Runnable>(10));
2091	>	final TrackedNoOpRunnable r = new TrackedNoOpRunnable();
2092	>	try {
2093	>	handler.rejectedExecution(r, p);
2094	>	shouldThrow();
2095	>	} catch (RejectedExecutionException success) {}
2096	>	assertFalse(r.done);
2097	>	assertEquals(0, p.getTaskCount());
2098	>	assertTrue(p.getQueue().isEmpty());
2099	>	}
2100	>
2101		}

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