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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 1.52 by jsr166, Fri May 15 17:07:27 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.CountDownLatch;
19	+	import java.util.concurrent.ExecutionException;
20	+	import java.util.concurrent.Executors;
21	+	import java.util.concurrent.ExecutorService;
22	+	import java.util.concurrent.Future;
23	+	import java.util.concurrent.FutureTask;
24	+	import java.util.concurrent.LinkedBlockingQueue;
25	+	import java.util.concurrent.RejectedExecutionException;
26	+	import java.util.concurrent.RejectedExecutionHandler;
27	+	import java.util.concurrent.SynchronousQueue;
28	+	import java.util.concurrent.ThreadFactory;
29	+	import java.util.concurrent.ThreadPoolExecutor;
30	+	import java.util.concurrent.TimeUnit;
31	+
32	+	import junit.framework.Test;
33	+	import junit.framework.TestSuite;
34
35		public class ThreadPoolExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40		return new TestSuite(ThreadPoolExecutorTest.class);
41		}
42	<
42	>
43	>	static class ExtendedTPE extends ThreadPoolExecutor {
44	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
45	>	final CountDownLatch afterCalled = new CountDownLatch(1);
46	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
47	>
48	>	public ExtendedTPE() {
49	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
50	>	}
51	>	protected void beforeExecute(Thread t, Runnable r) {
52	>	beforeCalled.countDown();
53	>	}
54	>	protected void afterExecute(Runnable r, Throwable t) {
55	>	afterCalled.countDown();
56	>	}
57	>	protected void terminated() {
58	>	terminatedCalled.countDown();
59	>	}
60	>
61	>	public boolean beforeCalled() {
62	>	return beforeCalled.getCount() == 0;
63	>	}
64	>	public boolean afterCalled() {
65	>	return afterCalled.getCount() == 0;
66	>	}
67	>	public boolean terminatedCalled() {
68	>	return terminatedCalled.getCount() == 0;
69	>	}
70	>	}
71	>
72	>	static class FailingThreadFactory implements ThreadFactory {
73	>	int calls = 0;
74	>	public Thread newThread(Runnable r) {
75	>	if (++calls > 1) return null;
76	>	return new Thread(r);
77	>	}
78	>	}
79	>
80		/**
81	<	* For use as ThreadFactory in constructors
81	>	* execute successfully executes a runnable
82		*/
83	<	static class MyThreadFactory implements ThreadFactory{
84	<	public Thread newThread(Runnable r){
85	<	return new Thread(r);
86	<	}
83	>	public void testExecute() throws InterruptedException {
84	>	final ThreadPoolExecutor p =
85	>	new ThreadPoolExecutor(1, 1,
86	>	LONG_DELAY_MS, MILLISECONDS,
87	>	new ArrayBlockingQueue<Runnable>(10));
88	>	final CountDownLatch done = new CountDownLatch(1);
89	>	final Runnable task = new CheckedRunnable() {
90	>	public void realRun() {
91	>	done.countDown();
92	>	}};
93	>	try {
94	>	p.execute(task);
95	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
96	>	} finally {
97	>	joinPool(p);
98	>	}
99	>	}
100	>
101	>	/**
102	>	* getActiveCount increases but doesn't overestimate, when a
103	>	* thread becomes active
104	>	*/
105	>	public void testGetActiveCount() throws InterruptedException {
106	>	final ThreadPoolExecutor p =
107	>	new ThreadPoolExecutor(2, 2,
108	>	LONG_DELAY_MS, MILLISECONDS,
109	>	new ArrayBlockingQueue<Runnable>(10));
110	>	final CountDownLatch threadStarted = new CountDownLatch(1);
111	>	final CountDownLatch done = new CountDownLatch(1);
112	>	try {
113	>	assertEquals(0, p.getActiveCount());
114	>	p.execute(new CheckedRunnable() {
115	>	public void realRun() throws InterruptedException {
116	>	threadStarted.countDown();
117	>	assertEquals(1, p.getActiveCount());
118	>	done.await();
119	>	}});
120	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
121	>	assertEquals(1, p.getActiveCount());
122	>	} finally {
123	>	done.countDown();
124	>	joinPool(p);
125	>	}
126		}
127
128		/**
129	<	* For use as RejectedExecutionHandler in constructors
129	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
130		*/
131	<	static class MyREHandler implements RejectedExecutionHandler{
132	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
131	>	public void testPrestartCoreThread() {
132	>	final ThreadPoolExecutor p =
133	>	new ThreadPoolExecutor(2, 2,
134	>	LONG_DELAY_MS, MILLISECONDS,
135	>	new ArrayBlockingQueue<Runnable>(10));
136	>	assertEquals(0, p.getPoolSize());
137	>	assertTrue(p.prestartCoreThread());
138	>	assertEquals(1, p.getPoolSize());
139	>	assertTrue(p.prestartCoreThread());
140	>	assertEquals(2, p.getPoolSize());
141	>	assertFalse(p.prestartCoreThread());
142	>	assertEquals(2, p.getPoolSize());
143	>	joinPool(p);
144		}
145	<
145	>
146		/**
147	<	*   execute successfully executes a runnable
147	>	* prestartAllCoreThreads starts all corePoolSize threads
148		*/
149	<	public void testExecute(){
150	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
149	>	public void testPrestartAllCoreThreads() {
150	>	final ThreadPoolExecutor p =
151	>	new ThreadPoolExecutor(2, 2,
152	>	LONG_DELAY_MS, MILLISECONDS,
153	>	new ArrayBlockingQueue<Runnable>(10));
154	>	assertEquals(0, p.getPoolSize());
155	>	p.prestartAllCoreThreads();
156	>	assertEquals(2, p.getPoolSize());
157	>	p.prestartAllCoreThreads();
158	>	assertEquals(2, p.getPoolSize());
159	>	joinPool(p);
160	>	}
161	>
162	>	/**
163	>	* getCompletedTaskCount increases, but doesn't overestimate,
164	>	* when tasks complete
165	>	*/
166	>	public void testGetCompletedTaskCount() throws InterruptedException {
167	>	final ThreadPoolExecutor p =
168	>	new ThreadPoolExecutor(2, 2,
169	>	LONG_DELAY_MS, MILLISECONDS,
170	>	new ArrayBlockingQueue<Runnable>(10));
171	>	final CountDownLatch threadStarted = new CountDownLatch(1);
172	>	final CountDownLatch threadProceed = new CountDownLatch(1);
173	>	final CountDownLatch threadDone = new CountDownLatch(1);
174		try {
175	<	one.execute(new Runnable(){
176	<	public void run(){
177	<	try{
178	<	Thread.sleep(SHORT_DELAY_MS);
179	<	} catch(InterruptedException e){
180	<	fail("unexpected exception");
181	<	}
182	<	}
183	<	});
184	<	Thread.sleep(SMALL_DELAY_MS);
185	<	} catch(InterruptedException e){
186	<	fail("unexpected exception");
187	<	}
188	<	joinPool(one);
175	>	assertEquals(0, p.getCompletedTaskCount());
176	>	p.execute(new CheckedRunnable() {
177	>	public void realRun() throws InterruptedException {
178	>	threadStarted.countDown();
179	>	assertEquals(0, p.getCompletedTaskCount());
180	>	threadProceed.await();
181	>	threadDone.countDown();
182	>	}});
183	>	await(threadStarted);
184	>	assertEquals(0, p.getCompletedTaskCount());
185	>	threadProceed.countDown();
186	>	threadDone.await();
187	>	long startTime = System.nanoTime();
188	>	while (p.getCompletedTaskCount() != 1) {
189	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
190	>	fail("timed out");
191	>	Thread.yield();
192	>	}
193	>	} finally {
194	>	joinPool(p);
195	>	}
196	>	}
197	>
198	>	/**
199	>	* getCorePoolSize returns size given in constructor if not otherwise set
200	>	*/
201	>	public void testGetCorePoolSize() {
202	>	final ThreadPoolExecutor p =
203	>	new ThreadPoolExecutor(1, 1,
204	>	LONG_DELAY_MS, MILLISECONDS,
205	>	new ArrayBlockingQueue<Runnable>(10));
206	>	assertEquals(1, p.getCorePoolSize());
207	>	joinPool(p);
208	>	}
209	>
210	>	/**
211	>	* getKeepAliveTime returns value given in constructor if not otherwise set
212	>	*/
213	>	public void testGetKeepAliveTime() {
214	>	final ThreadPoolExecutor p =
215	>	new ThreadPoolExecutor(2, 2,
216	>	1000, MILLISECONDS,
217	>	new ArrayBlockingQueue<Runnable>(10));
218	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
219	>	joinPool(p);
220	>	}
221	>
222	>	/**
223	>	* getThreadFactory returns factory in constructor if not set
224	>	*/
225	>	public void testGetThreadFactory() {
226	>	ThreadFactory tf = new SimpleThreadFactory();
227	>	final ThreadPoolExecutor p =
228	>	new ThreadPoolExecutor(1, 2,
229	>	LONG_DELAY_MS, MILLISECONDS,
230	>	new ArrayBlockingQueue<Runnable>(10),
231	>	tf,
232	>	new NoOpREHandler());
233	>	assertSame(tf, p.getThreadFactory());
234	>	joinPool(p);
235		}
236
237		/**
238	<	*   getActiveCount gives correct values
238	>	* setThreadFactory sets the thread factory returned by getThreadFactory
239		*/
240	<	public void testGetActiveCount(){
241	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
242	<	assertEquals(0, two.getActiveCount());
243	<	two.execute(new MediumRunnable());
244	<	try{
245	<	Thread.sleep(SHORT_DELAY_MS);
246	<	} catch(Exception e){
247	<	fail("unexpected exception");
240	>	public void testSetThreadFactory() {
241	>	final ThreadPoolExecutor p =
242	>	new ThreadPoolExecutor(1, 2,
243	>	LONG_DELAY_MS, MILLISECONDS,
244	>	new ArrayBlockingQueue<Runnable>(10));
245	>	ThreadFactory tf = new SimpleThreadFactory();
246	>	p.setThreadFactory(tf);
247	>	assertSame(tf, p.getThreadFactory());
248	>	joinPool(p);
249	>	}
250	>
251	>	/**
252	>	* setThreadFactory(null) throws NPE
253	>	*/
254	>	public void testSetThreadFactoryNull() {
255	>	final ThreadPoolExecutor p =
256	>	new ThreadPoolExecutor(1, 2,
257	>	LONG_DELAY_MS, MILLISECONDS,
258	>	new ArrayBlockingQueue<Runnable>(10));
259	>	try {
260	>	p.setThreadFactory(null);
261	>	shouldThrow();
262	>	} catch (NullPointerException success) {
263	>	} finally {
264	>	joinPool(p);
265		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
266		}
267	<
267	>
268	>	/**
269	>	* getRejectedExecutionHandler returns handler in constructor if not set
270	>	*/
271	>	public void testGetRejectedExecutionHandler() {
272	>	final RejectedExecutionHandler h = new NoOpREHandler();
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10),
277	>	h);
278	>	assertSame(h, p.getRejectedExecutionHandler());
279	>	joinPool(p);
280	>	}
281	>
282	>	/**
283	>	* setRejectedExecutionHandler sets the handler returned by
284	>	* getRejectedExecutionHandler
285	>	*/
286	>	public void testSetRejectedExecutionHandler() {
287	>	final ThreadPoolExecutor p =
288	>	new ThreadPoolExecutor(1, 2,
289	>	LONG_DELAY_MS, MILLISECONDS,
290	>	new ArrayBlockingQueue<Runnable>(10));
291	>	RejectedExecutionHandler h = new NoOpREHandler();
292	>	p.setRejectedExecutionHandler(h);
293	>	assertSame(h, p.getRejectedExecutionHandler());
294	>	joinPool(p);
295	>	}
296	>
297		/**
298	<	*   getCompleteTaskCount gives correct values
298	>	* setRejectedExecutionHandler(null) throws NPE
299		*/
300	<	public void testGetCompletedTaskCount(){
301	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
302	<	assertEquals(0, two.getCompletedTaskCount());
303	<	two.execute(new ShortRunnable());
304	<	try{
305	<	Thread.sleep(MEDIUM_DELAY_MS);
306	<	} catch(Exception e){
307	<	fail("unexpected exception");
300	>	public void testSetRejectedExecutionHandlerNull() {
301	>	final ThreadPoolExecutor p =
302	>	new ThreadPoolExecutor(1, 2,
303	>	LONG_DELAY_MS, MILLISECONDS,
304	>	new ArrayBlockingQueue<Runnable>(10));
305	>	try {
306	>	p.setRejectedExecutionHandler(null);
307	>	shouldThrow();
308	>	} catch (NullPointerException success) {
309	>	} finally {
310	>	joinPool(p);
311	>	}
312	>	}
313	>
314	>	/**
315	>	* getLargestPoolSize increases, but doesn't overestimate, when
316	>	* multiple threads active
317	>	*/
318	>	public void testGetLargestPoolSize() throws InterruptedException {
319	>	final int THREADS = 3;
320	>	final ThreadPoolExecutor p =
321	>	new ThreadPoolExecutor(THREADS, THREADS,
322	>	LONG_DELAY_MS, MILLISECONDS,
323	>	new ArrayBlockingQueue<Runnable>(10));
324	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
325	>	final CountDownLatch done = new CountDownLatch(1);
326	>	try {
327	>	assertEquals(0, p.getLargestPoolSize());
328	>	for (int i = 0; i < THREADS; i++)
329	>	p.execute(new CheckedRunnable() {
330	>	public void realRun() throws InterruptedException {
331	>	threadsStarted.countDown();
332	>	done.await();
333	>	assertEquals(THREADS, p.getLargestPoolSize());
334	>	}});
335	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
336	>	assertEquals(THREADS, p.getLargestPoolSize());
337	>	} finally {
338	>	done.countDown();
339	>	joinPool(p);
340	>	assertEquals(THREADS, p.getLargestPoolSize());
341		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
342		}
343	<
343	>
344		/**
345	<	*   getCorePoolSize gives correct values
345	>	* getMaximumPoolSize returns value given in constructor if not
346	>	* otherwise set
347		*/
348	<	public void testGetCorePoolSize(){
349	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
350	<	assertEquals(1, one.getCorePoolSize());
351	<	joinPool(one);
348	>	public void testGetMaximumPoolSize() {
349	>	final ThreadPoolExecutor p =
350	>	new ThreadPoolExecutor(2, 3,
351	>	LONG_DELAY_MS, MILLISECONDS,
352	>	new ArrayBlockingQueue<Runnable>(10));
353	>	assertEquals(3, p.getMaximumPoolSize());
354	>	joinPool(p);
355		}
356	<
356	>
357		/**
358	<	*   getKeepAliveTime gives correct values
358	>	* getPoolSize increases, but doesn't overestimate, when threads
359	>	* become active
360		*/
361	<	public void testGetKeepAliveTime(){
362	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
363	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
364	<	joinPool(two);
361	>	public void testGetPoolSize() throws InterruptedException {
362	>	final ThreadPoolExecutor p =
363	>	new ThreadPoolExecutor(1, 1,
364	>	LONG_DELAY_MS, MILLISECONDS,
365	>	new ArrayBlockingQueue<Runnable>(10));
366	>	final CountDownLatch threadStarted = new CountDownLatch(1);
367	>	final CountDownLatch done = new CountDownLatch(1);
368	>	try {
369	>	assertEquals(0, p.getPoolSize());
370	>	p.execute(new CheckedRunnable() {
371	>	public void realRun() throws InterruptedException {
372	>	threadStarted.countDown();
373	>	assertEquals(1, p.getPoolSize());
374	>	done.await();
375	>	}});
376	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
377	>	assertEquals(1, p.getPoolSize());
378	>	} finally {
379	>	done.countDown();
380	>	joinPool(p);
381	>	}
382		}
383	<
383	>
384		/**
385	<	*   getLargestPoolSize gives correct values
385	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
386		*/
387	<	public void testGetLargestPoolSize(){
388	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
387	>	public void testGetTaskCount() throws InterruptedException {
388	>	final ThreadPoolExecutor p =
389	>	new ThreadPoolExecutor(1, 1,
390	>	LONG_DELAY_MS, MILLISECONDS,
391	>	new ArrayBlockingQueue<Runnable>(10));
392	>	final CountDownLatch threadStarted = new CountDownLatch(1);
393	>	final CountDownLatch done = new CountDownLatch(1);
394		try {
395	<	assertEquals(0, two.getLargestPoolSize());
396	<	two.execute(new MediumRunnable());
397	<	two.execute(new MediumRunnable());
398	<	Thread.sleep(SHORT_DELAY_MS);
399	<	assertEquals(2, two.getLargestPoolSize());
400	<	} catch(Exception e){
401	<	fail("unexpected exception");
402	<	}
403	<	joinPool(two);
395	>	assertEquals(0, p.getTaskCount());
396	>	p.execute(new CheckedRunnable() {
397	>	public void realRun() throws InterruptedException {
398	>	threadStarted.countDown();
399	>	assertEquals(1, p.getTaskCount());
400	>	done.await();
401	>	}});
402	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
403	>	assertEquals(1, p.getTaskCount());
404	>	} finally {
405	>	done.countDown();
406	>	joinPool(p);
407	>	}
408		}
409	<
409	>
410	>	/**
411	>	* isShutdown is false before shutdown, true after
412	>	*/
413	>	public void testIsShutdown() {
414	>	final ThreadPoolExecutor p =
415	>	new ThreadPoolExecutor(1, 1,
416	>	LONG_DELAY_MS, MILLISECONDS,
417	>	new ArrayBlockingQueue<Runnable>(10));
418	>	assertFalse(p.isShutdown());
419	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
420	>	assertTrue(p.isShutdown());
421	>	joinPool(p);
422	>	}
423	>
424		/**
425	<	*   getMaximumPoolSize gives correct values
425	>	* awaitTermination on a non-shutdown pool times out
426		*/
427	<	public void testGetMaximumPoolSize(){
428	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
429	<	assertEquals(2, two.getMaximumPoolSize());
430	<	joinPool(two);
427	>	public void testAwaitTermination_timesOut() throws InterruptedException {
428	>	final ThreadPoolExecutor p =
429	>	new ThreadPoolExecutor(1, 1,
430	>	LONG_DELAY_MS, MILLISECONDS,
431	>	new ArrayBlockingQueue<Runnable>(10));
432	>	assertFalse(p.isTerminated());
433	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
434	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
435	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
436	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
437	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
438	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
439	>	long timeoutNanos = 999999L;
440	>	long startTime = System.nanoTime();
441	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
442	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
443	>	assertFalse(p.isTerminated());
444	>	startTime = System.nanoTime();
445	>	long timeoutMillis = timeoutMillis();
446	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
447	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
448	>	assertFalse(p.isTerminated());
449	>	p.shutdown();
450	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
451	>	assertTrue(p.isTerminated());
452		}
453	<
453	>
454		/**
455	<	*   getPoolSize gives correct values
455	>	* isTerminated is false before termination, true after
456		*/
457	<	public void testGetPoolSize(){
458	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
459	<	assertEquals(0, one.getPoolSize());
460	<	one.execute(new MediumRunnable());
461	<	assertEquals(1, one.getPoolSize());
462	<	joinPool(one);
457	>	public void testIsTerminated() throws InterruptedException {
458	>	final ThreadPoolExecutor p =
459	>	new ThreadPoolExecutor(1, 1,
460	>	LONG_DELAY_MS, MILLISECONDS,
461	>	new ArrayBlockingQueue<Runnable>(10));
462	>	final CountDownLatch threadStarted = new CountDownLatch(1);
463	>	final CountDownLatch done = new CountDownLatch(1);
464	>	assertFalse(p.isTerminated());
465	>	try {
466	>	p.execute(new CheckedRunnable() {
467	>	public void realRun() throws InterruptedException {
468	>	assertFalse(p.isTerminated());
469	>	threadStarted.countDown();
470	>	done.await();
471	>	}});
472	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
473	>	assertFalse(p.isTerminating());
474	>	done.countDown();
475	>	} finally {
476	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
477	>	}
478	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
479	>	assertTrue(p.isTerminated());
480		}
481	<
481	>
482		/**
483	<	*   getTaskCount gives correct values
483	>	* isTerminating is not true when running or when terminated
484		*/
485	<	public void testGetTaskCount(){
486	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
485	>	public void testIsTerminating() throws InterruptedException {
486	>	final ThreadPoolExecutor p =
487	>	new ThreadPoolExecutor(1, 1,
488	>	LONG_DELAY_MS, MILLISECONDS,
489	>	new ArrayBlockingQueue<Runnable>(10));
490	>	final CountDownLatch threadStarted = new CountDownLatch(1);
491	>	final CountDownLatch done = new CountDownLatch(1);
492		try {
493	<	assertEquals(0, one.getTaskCount());
494	<	for(int i = 0; i < 5; i++)
495	<	one.execute(new MediumRunnable());
496	<	Thread.sleep(SHORT_DELAY_MS);
497	<	assertEquals(5, one.getTaskCount());
498	<	} catch(Exception e){
499	<	fail("unexpected exception");
500	<	}
501	<	joinPool(one);
493	>	assertFalse(p.isTerminating());
494	>	p.execute(new CheckedRunnable() {
495	>	public void realRun() throws InterruptedException {
496	>	assertFalse(p.isTerminating());
497	>	threadStarted.countDown();
498	>	done.await();
499	>	}});
500	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
501	>	assertFalse(p.isTerminating());
502	>	done.countDown();
503	>	} finally {
504	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
505	>	}
506	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
507	>	assertTrue(p.isTerminated());
508	>	assertFalse(p.isTerminating());
509		}
510	<
510	>
511		/**
512	<	*   isShutDown gives correct values
512	>	* getQueue returns the work queue, which contains queued tasks
513		*/
514	<	public void testIsShutdown(){
515	<
516	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
517	<	assertFalse(one.isShutdown());
518	<	one.shutdown();
519	<	assertTrue(one.isShutdown());
520	<	joinPool(one);
514	>	public void testGetQueue() throws InterruptedException {
515	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
516	>	final ThreadPoolExecutor p =
517	>	new ThreadPoolExecutor(1, 1,
518	>	LONG_DELAY_MS, MILLISECONDS,
519	>	q);
520	>	final CountDownLatch threadStarted = new CountDownLatch(1);
521	>	final CountDownLatch done = new CountDownLatch(1);
522	>	try {
523	>	FutureTask[] tasks = new FutureTask[5];
524	>	for (int i = 0; i < tasks.length; i++) {
525	>	Callable task = new CheckedCallable<Boolean>() {
526	>	public Boolean realCall() throws InterruptedException {
527	>	threadStarted.countDown();
528	>	assertSame(q, p.getQueue());
529	>	done.await();
530	>	return Boolean.TRUE;
531	>	}};
532	>	tasks[i] = new FutureTask(task);
533	>	p.execute(tasks[i]);
534	>	}
535	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
536	>	assertSame(q, p.getQueue());
537	>	assertFalse(q.contains(tasks[0]));
538	>	assertTrue(q.contains(tasks[tasks.length - 1]));
539	>	assertEquals(tasks.length - 1, q.size());
540	>	} finally {
541	>	done.countDown();
542	>	joinPool(p);
543	>	}
544		}
545
175	–
546		/**
547	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
547	>	* remove(task) removes queued task, and fails to remove active task
548		*/
549	<	public void testIsTerminated(){
550	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
549	>	public void testRemove() throws InterruptedException {
550	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
551	>	final ThreadPoolExecutor p =
552	>	new ThreadPoolExecutor(1, 1,
553	>	LONG_DELAY_MS, MILLISECONDS,
554	>	q);
555	>	Runnable[] tasks = new Runnable[5];
556	>	final CountDownLatch threadStarted = new CountDownLatch(1);
557	>	final CountDownLatch done = new CountDownLatch(1);
558		try {
559	<	one.execute(new MediumRunnable());
559	>	for (int i = 0; i < tasks.length; i++) {
560	>	tasks[i] = new CheckedRunnable() {
561	>	public void realRun() throws InterruptedException {
562	>	threadStarted.countDown();
563	>	done.await();
564	>	}};
565	>	p.execute(tasks[i]);
566	>	}
567	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
568	>	assertFalse(p.remove(tasks[0]));
569	>	assertTrue(q.contains(tasks[4]));
570	>	assertTrue(q.contains(tasks[3]));
571	>	assertTrue(p.remove(tasks[4]));
572	>	assertFalse(p.remove(tasks[4]));
573	>	assertFalse(q.contains(tasks[4]));
574	>	assertTrue(q.contains(tasks[3]));
575	>	assertTrue(p.remove(tasks[3]));
576	>	assertFalse(q.contains(tasks[3]));
577		} finally {
578	<	one.shutdown();
578	>	done.countDown();
579	>	joinPool(p);
580		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
581		}
582
583		/**
584	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
584	>	* purge removes cancelled tasks from the queue
585		*/
586	<	public void testPurge(){
587	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
588	<	CancellableTask[] tasks = new CancellableTask[5];
589	<	for(int i = 0; i < 5; i++){
590	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
591	<	one.execute(tasks[i]);
586	>	public void testPurge() throws InterruptedException {
587	>	final CountDownLatch threadStarted = new CountDownLatch(1);
588	>	final CountDownLatch done = new CountDownLatch(1);
589	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
590	>	final ThreadPoolExecutor p =
591	>	new ThreadPoolExecutor(1, 1,
592	>	LONG_DELAY_MS, MILLISECONDS,
593	>	q);
594	>	FutureTask[] tasks = new FutureTask[5];
595	>	try {
596	>	for (int i = 0; i < tasks.length; i++) {
597	>	Callable task = new CheckedCallable<Boolean>() {
598	>	public Boolean realCall() throws InterruptedException {
599	>	threadStarted.countDown();
600	>	done.await();
601	>	return Boolean.TRUE;
602	>	}};
603	>	tasks[i] = new FutureTask(task);
604	>	p.execute(tasks[i]);
605	>	}
606	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607	>	assertEquals(tasks.length, p.getTaskCount());
608	>	assertEquals(tasks.length - 1, q.size());
609	>	assertEquals(1L, p.getActiveCount());
610	>	assertEquals(0L, p.getCompletedTaskCount());
611	>	tasks[4].cancel(true);
612	>	tasks[3].cancel(false);
613	>	p.purge();
614	>	assertEquals(tasks.length - 3, q.size());
615	>	assertEquals(tasks.length - 2, p.getTaskCount());
616	>	p.purge();         // Nothing to do
617	>	assertEquals(tasks.length - 3, q.size());
618	>	assertEquals(tasks.length - 2, p.getTaskCount());
619	>	} finally {
620	>	done.countDown();
621	>	joinPool(p);
622		}
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);
623		}
624
625		/**
626	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
626	>	* shutdownNow returns a list containing tasks that were not run
627		*/
628	<	public void testShutDownNow(){
629	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
628	>	public void testShutdownNow() {
629	>	final ThreadPoolExecutor p =
630	>	new ThreadPoolExecutor(1, 1,
631	>	LONG_DELAY_MS, MILLISECONDS,
632	>	new ArrayBlockingQueue<Runnable>(10));
633		List l;
634		try {
635	<	for(int i = 0; i < 5; i++)
636	<	one.execute(new MediumPossiblyInterruptedRunnable());
635	>	for (int i = 0; i < 5; i++)
636	>	p.execute(new MediumPossiblyInterruptedRunnable());
637		}
638		finally {
639	<	l = one.shutdownNow();
639	>	try {
640	>	l = p.shutdownNow();
641	>	} catch (SecurityException ok) { return; }
642		}
643	<	assertTrue(one.isShutdown());
644	<	assertTrue(l.size() <= 4);
643	>	assertTrue(p.isShutdown());
644	>	assertTrue(l.size() <= 4);
645		}
646
647		// Exception Tests
234	–
648
649	<	/** Throws if corePoolSize argument is less than zero */
649	>	/**
650	>	* Constructor throws if corePoolSize argument is less than zero
651	>	*/
652		public void testConstructor1() {
653	<	try{
654	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
655	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
656	<	}
657	<	catch (IllegalArgumentException success){}
653	>	try {
654	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
655	>	new ArrayBlockingQueue<Runnable>(10));
656	>	shouldThrow();
657	>	} catch (IllegalArgumentException success) {}
658		}
659	<
660	<	/** Throws if maximumPoolSize is less than zero */
659	>
660	>	/**
661	>	* Constructor throws if maximumPoolSize is less than zero
662	>	*/
663		public void testConstructor2() {
664	<	try{
665	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
666	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
667	<	}
668	<	catch (IllegalArgumentException success){}
664	>	try {
665	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
666	>	new ArrayBlockingQueue<Runnable>(10));
667	>	shouldThrow();
668	>	} catch (IllegalArgumentException success) {}
669		}
670	<
671	<	/** Throws if maximumPoolSize is equal to zero */
670	>
671	>	/**
672	>	* Constructor throws if maximumPoolSize is equal to zero
673	>	*/
674		public void testConstructor3() {
675	<	try{
676	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
677	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
678	<	}
679	<	catch (IllegalArgumentException success){}
675	>	try {
676	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
677	>	new ArrayBlockingQueue<Runnable>(10));
678	>	shouldThrow();
679	>	} catch (IllegalArgumentException success) {}
680		}
681
682	<	/** Throws if keepAliveTime is less than zero */
682	>	/**
683	>	* Constructor throws if keepAliveTime is less than zero
684	>	*/
685		public void testConstructor4() {
686	<	try{
687	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
688	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
689	<	}
690	<	catch (IllegalArgumentException success){}
686	>	try {
687	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
688	>	new ArrayBlockingQueue<Runnable>(10));
689	>	shouldThrow();
690	>	} catch (IllegalArgumentException success) {}
691		}
692
693	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
693	>	/**
694	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
695	>	*/
696		public void testConstructor5() {
697	<	try{
698	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
699	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
700	<	}
701	<	catch (IllegalArgumentException success){}
697	>	try {
698	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
699	>	new ArrayBlockingQueue<Runnable>(10));
700	>	shouldThrow();
701	>	} catch (IllegalArgumentException success) {}
702		}
703	<
704	<	/** Throws if workQueue is set to null */
705	<	public void testNullPointerException() {
706	<	try{
707	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
708	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
709	<	}
710	<	catch (NullPointerException success){}
703	>
704	>	/**
705	>	* Constructor throws if workQueue is set to null
706	>	*/
707	>	public void testConstructorNullPointerException() {
708	>	try {
709	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
710	>	(BlockingQueue) null);
711	>	shouldThrow();
712	>	} catch (NullPointerException success) {}
713		}
289	–
714
715	<
716	<	/** Throws if corePoolSize argument is less than zero */
715	>	/**
716	>	* Constructor throws if corePoolSize argument is less than zero
717	>	*/
718		public void testConstructor6() {
719	<	try{
720	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
721	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
722	<	} catch (IllegalArgumentException success){}
719	>	try {
720	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
721	>	new ArrayBlockingQueue<Runnable>(10),
722	>	new SimpleThreadFactory());
723	>	shouldThrow();
724	>	} catch (IllegalArgumentException success) {}
725		}
726	<
727	<	/** Throws if maximumPoolSize is less than zero */
726	>
727	>	/**
728	>	* Constructor throws if maximumPoolSize is less than zero
729	>	*/
730		public void testConstructor7() {
731	<	try{
732	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
733	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
734	<	}
735	<	catch (IllegalArgumentException success){}
731	>	try {
732	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
733	>	new ArrayBlockingQueue<Runnable>(10),
734	>	new SimpleThreadFactory());
735	>	shouldThrow();
736	>	} catch (IllegalArgumentException success) {}
737		}
738
739	<	/** Throws if maximumPoolSize is equal to zero */
739	>	/**
740	>	* Constructor throws if maximumPoolSize is equal to zero
741	>	*/
742		public void testConstructor8() {
743	<	try{
744	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
745	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
746	<	}
747	<	catch (IllegalArgumentException success){}
743	>	try {
744	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
745	>	new ArrayBlockingQueue<Runnable>(10),
746	>	new SimpleThreadFactory());
747	>	shouldThrow();
748	>	} catch (IllegalArgumentException success) {}
749		}
750
751	<	/** Throws if keepAliveTime is less than zero */
751	>	/**
752	>	* Constructor throws if keepAliveTime is less than zero
753	>	*/
754		public void testConstructor9() {
755	<	try{
756	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
758	<	}
759	<	catch (IllegalArgumentException success){}
755	>	try {
756	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
757	>	new ArrayBlockingQueue<Runnable>(10),
758	>	new SimpleThreadFactory());
759	>	shouldThrow();
760	>	} catch (IllegalArgumentException success) {}
761		}
762
763	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
763	>	/**
764	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
765	>	*/
766		public void testConstructor10() {
767	<	try{
768	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
767	>	try {
768	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
769	>	new ArrayBlockingQueue<Runnable>(10),
770	>	new SimpleThreadFactory());
771	>	shouldThrow();
772	>	} catch (IllegalArgumentException success) {}
773	>	}
774	>
775	>	/**
776	>	* Constructor throws if workQueue is set to null
777	>	*/
778	>	public void testConstructorNullPointerException2() {
779	>	try {
780	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
781	>	(BlockingQueue) null,
782	>	new SimpleThreadFactory());
783	>	shouldThrow();
784	>	} catch (NullPointerException success) {}
785	>	}
786	>
787	>	/**
788	>	* Constructor throws if threadFactory is set to null
789	>	*/
790	>	public void testConstructorNullPointerException3() {
791	>	try {
792	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
793	>	new ArrayBlockingQueue<Runnable>(10),
794	>	(ThreadFactory) null);
795	>	shouldThrow();
796	>	} catch (NullPointerException success) {}
797	>	}
798	>
799	>	/**
800	>	* Constructor throws if corePoolSize argument is less than zero
801	>	*/
802	>	public void testConstructor11() {
803	>	try {
804	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
805	>	new ArrayBlockingQueue<Runnable>(10),
806	>	new NoOpREHandler());
807	>	shouldThrow();
808	>	} catch (IllegalArgumentException success) {}
809	>	}
810	>
811	>	/**
812	>	* Constructor throws if maximumPoolSize is less than zero
813	>	*/
814	>	public void testConstructor12() {
815	>	try {
816	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
817	>	new ArrayBlockingQueue<Runnable>(10),
818	>	new NoOpREHandler());
819	>	shouldThrow();
820	>	} catch (IllegalArgumentException success) {}
821	>	}
822	>
823	>	/**
824	>	* Constructor throws if maximumPoolSize is equal to zero
825	>	*/
826	>	public void testConstructor13() {
827	>	try {
828	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
829	>	new ArrayBlockingQueue<Runnable>(10),
830	>	new NoOpREHandler());
831	>	shouldThrow();
832	>	} catch (IllegalArgumentException success) {}
833	>	}
834	>
835	>	/**
836	>	* Constructor throws if keepAliveTime is less than zero
837	>	*/
838	>	public void testConstructor14() {
839	>	try {
840	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
841	>	new ArrayBlockingQueue<Runnable>(10),
842	>	new NoOpREHandler());
843	>	shouldThrow();
844	>	} catch (IllegalArgumentException success) {}
845	>	}
846	>
847	>	/**
848	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
849	>	*/
850	>	public void testConstructor15() {
851	>	try {
852	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
853	>	new ArrayBlockingQueue<Runnable>(10),
854	>	new NoOpREHandler());
855	>	shouldThrow();
856	>	} catch (IllegalArgumentException success) {}
857	>	}
858	>
859	>	/**
860	>	* Constructor throws if workQueue is set to null
861	>	*/
862	>	public void testConstructorNullPointerException4() {
863	>	try {
864	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
865	>	(BlockingQueue) null,
866	>	new NoOpREHandler());
867	>	shouldThrow();
868	>	} catch (NullPointerException success) {}
869	>	}
870	>
871	>	/**
872	>	* Constructor throws if handler is set to null
873	>	*/
874	>	public void testConstructorNullPointerException5() {
875	>	try {
876	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
877	>	new ArrayBlockingQueue<Runnable>(10),
878	>	(RejectedExecutionHandler) null);
879	>	shouldThrow();
880	>	} catch (NullPointerException success) {}
881	>	}
882	>
883	>	/**
884	>	* Constructor throws if corePoolSize argument is less than zero
885	>	*/
886	>	public void testConstructor16() {
887	>	try {
888	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
889	>	new ArrayBlockingQueue<Runnable>(10),
890	>	new SimpleThreadFactory(),
891	>	new NoOpREHandler());
892	>	shouldThrow();
893	>	} catch (IllegalArgumentException success) {}
894	>	}
895	>
896	>	/**
897	>	* Constructor throws if maximumPoolSize is less than zero
898	>	*/
899	>	public void testConstructor17() {
900	>	try {
901	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	new SimpleThreadFactory(),
904	>	new NoOpREHandler());
905	>	shouldThrow();
906	>	} catch (IllegalArgumentException success) {}
907	>	}
908	>
909	>	/**
910	>	* Constructor throws if maximumPoolSize is equal to zero
911	>	*/
912	>	public void testConstructor18() {
913	>	try {
914	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
915	>	new ArrayBlockingQueue<Runnable>(10),
916	>	new SimpleThreadFactory(),
917	>	new NoOpREHandler());
918	>	shouldThrow();
919	>	} catch (IllegalArgumentException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if keepAliveTime is less than zero
924	>	*/
925	>	public void testConstructor19() {
926	>	try {
927	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
928	>	new ArrayBlockingQueue<Runnable>(10),
929	>	new SimpleThreadFactory(),
930	>	new NoOpREHandler());
931	>	shouldThrow();
932	>	} catch (IllegalArgumentException success) {}
933	>	}
934	>
935	>	/**
936	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
937	>	*/
938	>	public void testConstructor20() {
939	>	try {
940	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
941	>	new ArrayBlockingQueue<Runnable>(10),
942	>	new SimpleThreadFactory(),
943	>	new NoOpREHandler());
944	>	shouldThrow();
945	>	} catch (IllegalArgumentException success) {}
946	>	}
947	>
948	>	/**
949	>	* Constructor throws if workQueue is null
950	>	*/
951	>	public void testConstructorNullPointerException6() {
952	>	try {
953	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
954	>	(BlockingQueue) null,
955	>	new SimpleThreadFactory(),
956	>	new NoOpREHandler());
957	>	shouldThrow();
958	>	} catch (NullPointerException success) {}
959	>	}
960	>
961	>	/**
962	>	* Constructor throws if handler is null
963	>	*/
964	>	public void testConstructorNullPointerException7() {
965	>	try {
966	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
967	>	new ArrayBlockingQueue<Runnable>(10),
968	>	new SimpleThreadFactory(),
969	>	(RejectedExecutionHandler) null);
970	>	shouldThrow();
971	>	} catch (NullPointerException success) {}
972	>	}
973	>
974	>	/**
975	>	* Constructor throws if ThreadFactory is null
976	>	*/
977	>	public void testConstructorNullPointerException8() {
978	>	try {
979	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
980	>	new ArrayBlockingQueue<Runnable>(10),
981	>	(ThreadFactory) null,
982	>	new NoOpREHandler());
983	>	shouldThrow();
984	>	} catch (NullPointerException success) {}
985	>	}
986	>
987	>	/**
988	>	* get of submitted callable throws InterruptedException if interrupted
989	>	*/
990	>	public void testInterruptedSubmit() throws InterruptedException {
991	>	final ThreadPoolExecutor p =
992	>	new ThreadPoolExecutor(1, 1,
993	>	60, TimeUnit.SECONDS,
994	>	new ArrayBlockingQueue<Runnable>(10));
995	>
996	>	final CountDownLatch threadStarted = new CountDownLatch(1);
997	>	final CountDownLatch done = new CountDownLatch(1);
998	>	try {
999	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1000	>	public void realRun() throws Exception {
1001	>	Callable task = new CheckedCallable<Boolean>() {
1002	>	public Boolean realCall() throws InterruptedException {
1003	>	threadStarted.countDown();
1004	>	done.await();
1005	>	return Boolean.TRUE;
1006	>	}};
1007	>	p.submit(task).get();
1008	>	}});
1009	>
1010	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1011	>	t.interrupt();
1012	>	awaitTermination(t, MEDIUM_DELAY_MS);
1013	>	} finally {
1014	>	done.countDown();
1015	>	joinPool(p);
1016		}
333	–	catch (IllegalArgumentException success){}
1017		}
1018
1019	<	/** Throws if workQueue is set to null */
1020	<	public void testNullPointerException2() {
1021	<	try{
1022	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1023	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1019	>	/**
1020	>	* execute throws RejectedExecutionException if saturated.
1021	>	*/
1022	>	public void testSaturatedExecute() {
1023	>	ThreadPoolExecutor p =
1024	>	new ThreadPoolExecutor(1, 1,
1025	>	LONG_DELAY_MS, MILLISECONDS,
1026	>	new ArrayBlockingQueue<Runnable>(1));
1027	>	final CountDownLatch done = new CountDownLatch(1);
1028	>	try {
1029	>	Runnable task = new CheckedRunnable() {
1030	>	public void realRun() throws InterruptedException {
1031	>	done.await();
1032	>	}};
1033	>	for (int i = 0; i < 2; ++i)
1034	>	p.execute(task);
1035	>	for (int i = 0; i < 2; ++i) {
1036	>	try {
1037	>	p.execute(task);
1038	>	shouldThrow();
1039	>	} catch (RejectedExecutionException success) {}
1040	>	assertTrue(p.getTaskCount() <= 2);
1041	>	}
1042	>	} finally {
1043	>	done.countDown();
1044	>	joinPool(p);
1045		}
342	–	catch (NullPointerException success){}
1046		}
1047
1048	<	/** Throws if threadFactory is set to null */
1049	<	public void testNullPointerException3() {
1050	<	try{
1051	<	ThreadFactory f = null;
1052	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1053	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1048	>	/**
1049	>	* submit(runnable) throws RejectedExecutionException if saturated.
1050	>	*/
1051	>	public void testSaturatedSubmitRunnable() {
1052	>	ThreadPoolExecutor p =
1053	>	new ThreadPoolExecutor(1, 1,
1054	>	LONG_DELAY_MS, MILLISECONDS,
1055	>	new ArrayBlockingQueue<Runnable>(1));
1056	>	final CountDownLatch done = new CountDownLatch(1);
1057	>	try {
1058	>	Runnable task = new CheckedRunnable() {
1059	>	public void realRun() throws InterruptedException {
1060	>	done.await();
1061	>	}};
1062	>	for (int i = 0; i < 2; ++i)
1063	>	p.submit(task);
1064	>	for (int i = 0; i < 2; ++i) {
1065	>	try {
1066	>	p.execute(task);
1067	>	shouldThrow();
1068	>	} catch (RejectedExecutionException success) {}
1069	>	assertTrue(p.getTaskCount() <= 2);
1070	>	}
1071	>	} finally {
1072	>	done.countDown();
1073	>	joinPool(p);
1074		}
352	–	catch (NullPointerException success){}
1075		}
1076	<
1077	<
1078	<	/** Throws if corePoolSize argument is less than zero */
1079	<	public void testConstructor11() {
1080	<	try{
1081	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1082	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1076	>
1077	>	/**
1078	>	* submit(callable) throws RejectedExecutionException if saturated.
1079	>	*/
1080	>	public void testSaturatedSubmitCallable() {
1081	>	ThreadPoolExecutor p =
1082	>	new ThreadPoolExecutor(1, 1,
1083	>	LONG_DELAY_MS, MILLISECONDS,
1084	>	new ArrayBlockingQueue<Runnable>(1));
1085	>	final CountDownLatch done = new CountDownLatch(1);
1086	>	try {
1087	>	Runnable task = new CheckedRunnable() {
1088	>	public void realRun() throws InterruptedException {
1089	>	done.await();
1090	>	}};
1091	>	for (int i = 0; i < 2; ++i)
1092	>	p.submit(Executors.callable(task));
1093	>	for (int i = 0; i < 2; ++i) {
1094	>	try {
1095	>	p.execute(task);
1096	>	shouldThrow();
1097	>	} catch (RejectedExecutionException success) {}
1098	>	assertTrue(p.getTaskCount() <= 2);
1099	>	}
1100	>	} finally {
1101	>	done.countDown();
1102	>	joinPool(p);
1103		}
362	–	catch (IllegalArgumentException success){}
1104		}
1105
1106	<	/** Throws if maximumPoolSize is less than zero */
1107	<	public void testConstructor12() {
1108	<	try{
1109	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1110	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1106	>	/**
1107	>	* executor using CallerRunsPolicy runs task if saturated.
1108	>	*/
1109	>	public void testSaturatedExecute2() {
1110	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1111	>	final ThreadPoolExecutor p =
1112	>	new ThreadPoolExecutor(1, 1,
1113	>	LONG_DELAY_MS,
1114	>	MILLISECONDS,
1115	>	new ArrayBlockingQueue<Runnable>(1),
1116	>	h);
1117	>	try {
1118	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1119	>	for (int i = 0; i < tasks.length; ++i)
1120	>	tasks[i] = new TrackedNoOpRunnable();
1121	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1122	>	p.execute(mr);
1123	>	for (int i = 0; i < tasks.length; ++i)
1124	>	p.execute(tasks[i]);
1125	>	for (int i = 1; i < tasks.length; ++i)
1126	>	assertTrue(tasks[i].done);
1127	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1128	>	} finally {
1129	>	joinPool(p);
1130		}
371	–	catch (IllegalArgumentException success){}
1131		}
1132
1133	<	/** Throws if maximumPoolSize is equal to zero */
1134	<	public void testConstructor13() {
1135	<	try{
1136	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1137	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1133	>	/**
1134	>	* executor using DiscardPolicy drops task if saturated.
1135	>	*/
1136	>	public void testSaturatedExecute3() {
1137	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1138	>	final ThreadPoolExecutor p =
1139	>	new ThreadPoolExecutor(1, 1,
1140	>	LONG_DELAY_MS, MILLISECONDS,
1141	>	new ArrayBlockingQueue<Runnable>(1),
1142	>	h);
1143	>	try {
1144	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145	>	for (int i = 0; i < tasks.length; ++i)
1146	>	tasks[i] = new TrackedNoOpRunnable();
1147	>	p.execute(new TrackedLongRunnable());
1148	>	for (TrackedNoOpRunnable task : tasks)
1149	>	p.execute(task);
1150	>	for (TrackedNoOpRunnable task : tasks)
1151	>	assertFalse(task.done);
1152	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1153	>	} finally {
1154	>	joinPool(p);
1155		}
380	–	catch (IllegalArgumentException success){}
1156		}
1157
1158	<	/** Throws if keepAliveTime is less than zero */
1159	<	public void testConstructor14() {
1160	<	try{
1161	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1162	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1158	>	/**
1159	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1160	>	*/
1161	>	public void testSaturatedExecute4() {
1162	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1163	>	final ThreadPoolExecutor p =
1164	>	new ThreadPoolExecutor(1, 1,
1165	>	LONG_DELAY_MS, MILLISECONDS,
1166	>	new ArrayBlockingQueue<Runnable>(1),
1167	>	h);
1168	>	try {
1169	>	p.execute(new TrackedLongRunnable());
1170	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1171	>	p.execute(r2);
1172	>	assertTrue(p.getQueue().contains(r2));
1173	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1174	>	p.execute(r3);
1175	>	assertFalse(p.getQueue().contains(r2));
1176	>	assertTrue(p.getQueue().contains(r3));
1177	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1178	>	} finally {
1179	>	joinPool(p);
1180		}
389	–	catch (IllegalArgumentException success){}
1181		}
1182
1183	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1184	<	public void testConstructor15() {
1185	<	try{
1186	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1187	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1183	>	/**
1184	>	* execute throws RejectedExecutionException if shutdown
1185	>	*/
1186	>	public void testRejectedExecutionExceptionOnShutdown() {
1187	>	ThreadPoolExecutor p =
1188	>	new ThreadPoolExecutor(1, 1,
1189	>	LONG_DELAY_MS, MILLISECONDS,
1190	>	new ArrayBlockingQueue<Runnable>(1));
1191	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1192	>	try {
1193	>	p.execute(new NoOpRunnable());
1194	>	shouldThrow();
1195	>	} catch (RejectedExecutionException success) {}
1196	>
1197	>	joinPool(p);
1198	>	}
1199	>
1200	>	/**
1201	>	* execute using CallerRunsPolicy drops task on shutdown
1202	>	*/
1203	>	public void testCallerRunsOnShutdown() {
1204	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1205	>	final ThreadPoolExecutor p =
1206	>	new ThreadPoolExecutor(1, 1,
1207	>	LONG_DELAY_MS, MILLISECONDS,
1208	>	new ArrayBlockingQueue<Runnable>(1), h);
1209	>
1210	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1211	>	try {
1212	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1213	>	p.execute(r);
1214	>	assertFalse(r.done);
1215	>	} finally {
1216	>	joinPool(p);
1217		}
398	–	catch (IllegalArgumentException success){}
1218		}
1219
1220	<	/** Throws if workQueue is set to null */
1221	<	public void testNullPointerException4() {
1222	<	try{
1223	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1224	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1220	>	/**
1221	>	* execute using DiscardPolicy drops task on shutdown
1222	>	*/
1223	>	public void testDiscardOnShutdown() {
1224	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1225	>	ThreadPoolExecutor p =
1226	>	new ThreadPoolExecutor(1, 1,
1227	>	LONG_DELAY_MS, MILLISECONDS,
1228	>	new ArrayBlockingQueue<Runnable>(1),
1229	>	h);
1230	>
1231	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1232	>	try {
1233	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1234	>	p.execute(r);
1235	>	assertFalse(r.done);
1236	>	} finally {
1237	>	joinPool(p);
1238		}
407	–	catch (NullPointerException success){}
1239		}
1240
1241	<	/** Throws if handler is set to null */
1242	<	public void testNullPointerException5() {
1243	<	try{
1244	<	RejectedExecutionHandler r = null;
1245	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1246	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1241	>	/**
1242	>	* execute using DiscardOldestPolicy drops task on shutdown
1243	>	*/
1244	>	public void testDiscardOldestOnShutdown() {
1245	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
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	>	joinPool(p);
1259		}
417	–	catch (NullPointerException success){}
1260		}
1261
1262	<
1263	<	/** Throws if corePoolSize argument is less than zero */
1264	<	public void testConstructor16() {
1265	<	try{
1266	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1267	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1262	>	/**
1263	>	* execute(null) throws NPE
1264	>	*/
1265	>	public void testExecuteNull() {
1266	>	ThreadPoolExecutor p =
1267	>	new ThreadPoolExecutor(1, 2,
1268	>	LONG_DELAY_MS, MILLISECONDS,
1269	>	new ArrayBlockingQueue<Runnable>(10));
1270	>	try {
1271	>	p.execute(null);
1272	>	shouldThrow();
1273	>	} catch (NullPointerException success) {}
1274	>
1275	>	joinPool(p);
1276	>	}
1277	>
1278	>	/**
1279	>	* setCorePoolSize of negative value throws IllegalArgumentException
1280	>	*/
1281	>	public void testCorePoolSizeIllegalArgumentException() {
1282	>	ThreadPoolExecutor p =
1283	>	new ThreadPoolExecutor(1, 2,
1284	>	LONG_DELAY_MS, MILLISECONDS,
1285	>	new ArrayBlockingQueue<Runnable>(10));
1286	>	try {
1287	>	p.setCorePoolSize(-1);
1288	>	shouldThrow();
1289	>	} catch (IllegalArgumentException success) {
1290	>	} finally {
1291	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1292		}
1293	<	catch (IllegalArgumentException success){}
1293	>	joinPool(p);
1294		}
1295
1296	<	/** Throws if maximumPoolSize is less than zero */
1297	<	public void testConstructor17() {
1298	<	try{
1299	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1300	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1296	>	/**
1297	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1298	>	* given a value less the core pool size
1299	>	*/
1300	>	public void testMaximumPoolSizeIllegalArgumentException() {
1301	>	ThreadPoolExecutor p =
1302	>	new ThreadPoolExecutor(2, 3,
1303	>	LONG_DELAY_MS, MILLISECONDS,
1304	>	new ArrayBlockingQueue<Runnable>(10));
1305	>	try {
1306	>	p.setMaximumPoolSize(1);
1307	>	shouldThrow();
1308	>	} catch (IllegalArgumentException success) {
1309	>	} finally {
1310	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1311		}
1312	<	catch (IllegalArgumentException success){}
1312	>	joinPool(p);
1313		}
1314
1315	<	/** Throws if maximumPoolSize is equal to zero */
1316	<	public void testConstructor18() {
1317	<	try{
1318	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1319	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1315	>	/**
1316	>	* setMaximumPoolSize throws IllegalArgumentException
1317	>	* if given a negative value
1318	>	*/
1319	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1320	>	ThreadPoolExecutor p =
1321	>	new ThreadPoolExecutor(2, 3,
1322	>	LONG_DELAY_MS, MILLISECONDS,
1323	>	new ArrayBlockingQueue<Runnable>(10));
1324	>	try {
1325	>	p.setMaximumPoolSize(-1);
1326	>	shouldThrow();
1327	>	} catch (IllegalArgumentException success) {
1328	>	} finally {
1329	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1330		}
1331	<	catch (IllegalArgumentException success){}
1331	>	joinPool(p);
1332		}
1333
1334	<	/** Throws if keepAliveTime is less than zero */
1335	<	public void testConstructor19() {
1336	<	try{
1337	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1338	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1334	>	/**
1335	>	* setKeepAliveTime throws IllegalArgumentException
1336	>	* when given a negative value
1337	>	*/
1338	>	public void testKeepAliveTimeIllegalArgumentException() {
1339	>	ThreadPoolExecutor p =
1340	>	new ThreadPoolExecutor(2, 3,
1341	>	LONG_DELAY_MS, MILLISECONDS,
1342	>	new ArrayBlockingQueue<Runnable>(10));
1343	>	try {
1344	>	p.setKeepAliveTime(-1,MILLISECONDS);
1345	>	shouldThrow();
1346	>	} catch (IllegalArgumentException success) {
1347	>	} finally {
1348	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1349		}
1350	<	catch (IllegalArgumentException success){}
1350	>	joinPool(p);
1351		}
1352
1353	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1354	<	public void testConstructor20() {
1355	<	try{
1356	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1357	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1353	>	/**
1354	>	* terminated() is called on termination
1355	>	*/
1356	>	public void testTerminated() {
1357	>	ExtendedTPE p = new ExtendedTPE();
1358	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1359	>	assertTrue(p.terminatedCalled());
1360	>	joinPool(p);
1361	>	}
1362	>
1363	>	/**
1364	>	* beforeExecute and afterExecute are called when executing task
1365	>	*/
1366	>	public void testBeforeAfter() throws InterruptedException {
1367	>	ExtendedTPE p = new ExtendedTPE();
1368	>	try {
1369	>	final CountDownLatch done = new CountDownLatch(1);
1370	>	p.execute(new CheckedRunnable() {
1371	>	public void realRun() {
1372	>	done.countDown();
1373	>	}});
1374	>	await(p.afterCalled);
1375	>	assertEquals(0, done.getCount());
1376	>	assertTrue(p.afterCalled());
1377	>	assertTrue(p.beforeCalled());
1378	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1379	>	} finally {
1380	>	joinPool(p);
1381	>	}
1382	>	}
1383	>
1384	>	/**
1385	>	* completed submit of callable returns result
1386	>	*/
1387	>	public void testSubmitCallable() throws Exception {
1388	>	ExecutorService e =
1389	>	new ThreadPoolExecutor(2, 2,
1390	>	LONG_DELAY_MS, MILLISECONDS,
1391	>	new ArrayBlockingQueue<Runnable>(10));
1392	>	try {
1393	>	Future<String> future = e.submit(new StringTask());
1394	>	String result = future.get();
1395	>	assertSame(TEST_STRING, result);
1396	>	} finally {
1397	>	joinPool(e);
1398	>	}
1399	>	}
1400	>
1401	>	/**
1402	>	* completed submit of runnable returns successfully
1403	>	*/
1404	>	public void testSubmitRunnable() throws Exception {
1405	>	ExecutorService e =
1406	>	new ThreadPoolExecutor(2, 2,
1407	>	LONG_DELAY_MS, MILLISECONDS,
1408	>	new ArrayBlockingQueue<Runnable>(10));
1409	>	try {
1410	>	Future<?> future = e.submit(new NoOpRunnable());
1411	>	future.get();
1412	>	assertTrue(future.isDone());
1413	>	} finally {
1414	>	joinPool(e);
1415	>	}
1416	>	}
1417	>
1418	>	/**
1419	>	* completed submit of (runnable, result) returns result
1420	>	*/
1421	>	public void testSubmitRunnable2() throws Exception {
1422	>	ExecutorService e =
1423	>	new ThreadPoolExecutor(2, 2,
1424	>	LONG_DELAY_MS, MILLISECONDS,
1425	>	new ArrayBlockingQueue<Runnable>(10));
1426	>	try {
1427	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1428	>	String result = future.get();
1429	>	assertSame(TEST_STRING, result);
1430	>	} finally {
1431	>	joinPool(e);
1432	>	}
1433	>	}
1434	>
1435	>	/**
1436	>	* invokeAny(null) throws NPE
1437	>	*/
1438	>	public void testInvokeAny1() throws Exception {
1439	>	ExecutorService e =
1440	>	new ThreadPoolExecutor(2, 2,
1441	>	LONG_DELAY_MS, MILLISECONDS,
1442	>	new ArrayBlockingQueue<Runnable>(10));
1443	>	try {
1444	>	e.invokeAny(null);
1445	>	shouldThrow();
1446	>	} catch (NullPointerException success) {
1447	>	} finally {
1448	>	joinPool(e);
1449	>	}
1450	>	}
1451	>
1452	>	/**
1453	>	* invokeAny(empty collection) throws IAE
1454	>	*/
1455	>	public void testInvokeAny2() throws Exception {
1456	>	ExecutorService e =
1457	>	new ThreadPoolExecutor(2, 2,
1458	>	LONG_DELAY_MS, MILLISECONDS,
1459	>	new ArrayBlockingQueue<Runnable>(10));
1460	>	try {
1461	>	e.invokeAny(new ArrayList<Callable<String>>());
1462	>	shouldThrow();
1463	>	} catch (IllegalArgumentException success) {
1464	>	} finally {
1465	>	joinPool(e);
1466	>	}
1467	>	}
1468	>
1469	>	/**
1470	>	* invokeAny(c) throws NPE if c has null elements
1471	>	*/
1472	>	public void testInvokeAny3() throws Exception {
1473	>	final CountDownLatch latch = new CountDownLatch(1);
1474	>	final ExecutorService e =
1475	>	new ThreadPoolExecutor(2, 2,
1476	>	LONG_DELAY_MS, MILLISECONDS,
1477	>	new ArrayBlockingQueue<Runnable>(10));
1478	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1479	>	l.add(latchAwaitingStringTask(latch));
1480	>	l.add(null);
1481	>	try {
1482	>	e.invokeAny(l);
1483	>	shouldThrow();
1484	>	} catch (NullPointerException success) {
1485	>	} finally {
1486	>	latch.countDown();
1487	>	joinPool(e);
1488	>	}
1489	>	}
1490	>
1491	>	/**
1492	>	* invokeAny(c) throws ExecutionException if no task completes
1493	>	*/
1494	>	public void testInvokeAny4() throws Exception {
1495	>	ExecutorService e =
1496	>	new ThreadPoolExecutor(2, 2,
1497	>	LONG_DELAY_MS, MILLISECONDS,
1498	>	new ArrayBlockingQueue<Runnable>(10));
1499	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1500	>	l.add(new NPETask());
1501	>	try {
1502	>	e.invokeAny(l);
1503	>	shouldThrow();
1504	>	} catch (ExecutionException success) {
1505	>	assertTrue(success.getCause() instanceof NullPointerException);
1506	>	} finally {
1507	>	joinPool(e);
1508	>	}
1509	>	}
1510	>
1511	>	/**
1512	>	* invokeAny(c) returns result of some task
1513	>	*/
1514	>	public void testInvokeAny5() throws Exception {
1515	>	ExecutorService e =
1516	>	new ThreadPoolExecutor(2, 2,
1517	>	LONG_DELAY_MS, MILLISECONDS,
1518	>	new ArrayBlockingQueue<Runnable>(10));
1519	>	try {
1520	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1521	>	l.add(new StringTask());
1522	>	l.add(new StringTask());
1523	>	String result = e.invokeAny(l);
1524	>	assertSame(TEST_STRING, result);
1525	>	} finally {
1526	>	joinPool(e);
1527		}
463	–	catch (IllegalArgumentException success){}
1528		}
1529
1530	<	/** Throws if workQueue is set to null */
1531	<	public void testNullPointerException6() {
1532	<	try{
1533	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1534	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1530	>	/**
1531	>	* invokeAll(null) throws NPE
1532	>	*/
1533	>	public void testInvokeAll1() throws Exception {
1534	>	ExecutorService e =
1535	>	new ThreadPoolExecutor(2, 2,
1536	>	LONG_DELAY_MS, MILLISECONDS,
1537	>	new ArrayBlockingQueue<Runnable>(10));
1538	>	try {
1539	>	e.invokeAll(null);
1540	>	shouldThrow();
1541	>	} catch (NullPointerException success) {
1542	>	} finally {
1543	>	joinPool(e);
1544		}
472	–	catch (NullPointerException success){}
1545		}
1546
1547	<	/** Throws if handler is set to null */
1548	<	public void testNullPointerException7() {
1549	<	try{
1550	<	RejectedExecutionHandler r = null;
1551	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1552	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1547	>	/**
1548	>	* invokeAll(empty collection) returns empty collection
1549	>	*/
1550	>	public void testInvokeAll2() throws InterruptedException {
1551	>	ExecutorService e =
1552	>	new ThreadPoolExecutor(2, 2,
1553	>	LONG_DELAY_MS, MILLISECONDS,
1554	>	new ArrayBlockingQueue<Runnable>(10));
1555	>	try {
1556	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1557	>	assertTrue(r.isEmpty());
1558	>	} finally {
1559	>	joinPool(e);
1560		}
482	–	catch (NullPointerException success){}
1561		}
1562
1563	<	/** Throws if ThreadFactory is set top null */
1564	<	public void testNullPointerException8() {
1565	<	try{
1566	<	ThreadFactory f = null;
1567	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1568	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1563	>	/**
1564	>	* invokeAll(c) throws NPE if c has null elements
1565	>	*/
1566	>	public void testInvokeAll3() throws Exception {
1567	>	ExecutorService e =
1568	>	new ThreadPoolExecutor(2, 2,
1569	>	LONG_DELAY_MS, MILLISECONDS,
1570	>	new ArrayBlockingQueue<Runnable>(10));
1571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1572	>	l.add(new StringTask());
1573	>	l.add(null);
1574	>	try {
1575	>	e.invokeAll(l);
1576	>	shouldThrow();
1577	>	} catch (NullPointerException success) {
1578	>	} finally {
1579	>	joinPool(e);
1580		}
492	–	catch (NullPointerException successdn8){}
1581		}
494	–
1582
1583		/**
1584	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1584	>	* get of element of invokeAll(c) throws exception on failed task
1585		*/
1586	<	public void testRejectedExecutionException(){
1587	<	ThreadPoolExecutor tpe = null;
1588	<	try{
1589	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1590	<	} catch(Exception e){}
1591	<	tpe.shutdown();
1592	<	try{
1593	<	tpe.execute(new NoOpRunnable());
1594	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1595	<	} catch(RejectedExecutionException success){}
1596	<
1597	<	joinPool(tpe);
1586	>	public void testInvokeAll4() throws Exception {
1587	>	ExecutorService e =
1588	>	new ThreadPoolExecutor(2, 2,
1589	>	LONG_DELAY_MS, MILLISECONDS,
1590	>	new ArrayBlockingQueue<Runnable>(10));
1591	>	try {
1592	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1593	>	l.add(new NPETask());
1594	>	List<Future<String>> futures = e.invokeAll(l);
1595	>	assertEquals(1, futures.size());
1596	>	try {
1597	>	futures.get(0).get();
1598	>	shouldThrow();
1599	>	} catch (ExecutionException success) {
1600	>	assertTrue(success.getCause() instanceof NullPointerException);
1601	>	}
1602	>	} finally {
1603	>	joinPool(e);
1604	>	}
1605		}
1606	<
1606	>
1607	>	/**
1608	>	* invokeAll(c) returns results of all completed tasks
1609	>	*/
1610	>	public void testInvokeAll5() throws Exception {
1611	>	ExecutorService e =
1612	>	new ThreadPoolExecutor(2, 2,
1613	>	LONG_DELAY_MS, MILLISECONDS,
1614	>	new ArrayBlockingQueue<Runnable>(10));
1615	>	try {
1616	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1617	>	l.add(new StringTask());
1618	>	l.add(new StringTask());
1619	>	List<Future<String>> futures = e.invokeAll(l);
1620	>	assertEquals(2, futures.size());
1621	>	for (Future<String> future : futures)
1622	>	assertSame(TEST_STRING, future.get());
1623	>	} finally {
1624	>	joinPool(e);
1625	>	}
1626	>	}
1627	>
1628		/**
1629	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1629	>	* timed invokeAny(null) throws NPE
1630		*/
1631	<	public void testCorePoolSizeIllegalArgumentException(){
1632	<	ThreadPoolExecutor tpe = null;
1633	<	try{
1634	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1635	<	} catch(Exception e){}
1636	<	try{
1637	<	tpe.setCorePoolSize(-1);
1638	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1639	<	} catch(IllegalArgumentException success){
1631	>	public void testTimedInvokeAny1() throws Exception {
1632	>	ExecutorService e =
1633	>	new ThreadPoolExecutor(2, 2,
1634	>	LONG_DELAY_MS, MILLISECONDS,
1635	>	new ArrayBlockingQueue<Runnable>(10));
1636	>	try {
1637	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1638	>	shouldThrow();
1639	>	} catch (NullPointerException success) {
1640		} finally {
1641	<	tpe.shutdown();
1641	>	joinPool(e);
1642		}
1643	<	joinPool(tpe);
532	<	}
1643	>	}
1644
534	–
1645		/**
1646	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1647	<	*  if given a value less the it's actual core pool size
1648	<	*/
1649	<	public void testMaximumPoolSizeIllegalArgumentException(){
1650	<	ThreadPoolExecutor tpe = null;
1651	<	try{
1652	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1653	<	} catch(Exception e){}
1654	<	try{
1655	<	tpe.setMaximumPoolSize(1);
1656	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1657	<	} catch(IllegalArgumentException success){
1646	>	* timed invokeAny(,,null) throws NPE
1647	>	*/
1648	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1649	>	ExecutorService e =
1650	>	new ThreadPoolExecutor(2, 2,
1651	>	LONG_DELAY_MS, MILLISECONDS,
1652	>	new ArrayBlockingQueue<Runnable>(10));
1653	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1654	>	l.add(new StringTask());
1655	>	try {
1656	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1657	>	shouldThrow();
1658	>	} catch (NullPointerException success) {
1659		} finally {
1660	<	tpe.shutdown();
1660	>	joinPool(e);
1661		}
551	–	joinPool(tpe);
1662		}
1663	<
1663	>
1664		/**
1665	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1665	>	* timed invokeAny(empty collection) throws IAE
1666		*/
1667	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1668	<	ThreadPoolExecutor tpe = null;
1669	<	try{
1670	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1671	<	} catch(Exception e){}
1672	<	try{
1673	<	tpe.setMaximumPoolSize(-1);
1674	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1675	<	} catch(IllegalArgumentException success){
1667	>	public void testTimedInvokeAny2() throws Exception {
1668	>	ExecutorService e =
1669	>	new ThreadPoolExecutor(2, 2,
1670	>	LONG_DELAY_MS, MILLISECONDS,
1671	>	new ArrayBlockingQueue<Runnable>(10));
1672	>	try {
1673	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1674	>	shouldThrow();
1675	>	} catch (IllegalArgumentException success) {
1676		} finally {
1677	<	tpe.shutdown();
1677	>	joinPool(e);
1678		}
570	–	joinPool(tpe);
1679		}
572	–
1680
1681		/**
1682	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
1682	>	* timed invokeAny(c) throws NPE if c has null elements
1683		*/
1684	<	public void testKeepAliveTimeIllegalArgumentException(){
1685	<	ThreadPoolExecutor tpe = null;
1686	<	try{
1687	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1688	<	} catch(Exception e){}
1689	<
1690	<	try{
1691	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1692	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1693	<	} catch(IllegalArgumentException success){
1684	>	public void testTimedInvokeAny3() throws Exception {
1685	>	final CountDownLatch latch = new CountDownLatch(1);
1686	>	final ExecutorService e =
1687	>	new ThreadPoolExecutor(2, 2,
1688	>	LONG_DELAY_MS, MILLISECONDS,
1689	>	new ArrayBlockingQueue<Runnable>(10));
1690	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1691	>	l.add(latchAwaitingStringTask(latch));
1692	>	l.add(null);
1693	>	try {
1694	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1695	>	shouldThrow();
1696	>	} catch (NullPointerException success) {
1697		} finally {
1698	<	tpe.shutdown();
1698	>	latch.countDown();
1699	>	joinPool(e);
1700		}
591	–	joinPool(tpe);
1701		}
1702	<
1702	>
1703	>	/**
1704	>	* timed invokeAny(c) throws ExecutionException if no task completes
1705	>	*/
1706	>	public void testTimedInvokeAny4() throws Exception {
1707	>	ExecutorService e =
1708	>	new ThreadPoolExecutor(2, 2,
1709	>	LONG_DELAY_MS, MILLISECONDS,
1710	>	new ArrayBlockingQueue<Runnable>(10));
1711	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1712	>	l.add(new NPETask());
1713	>	try {
1714	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1715	>	shouldThrow();
1716	>	} catch (ExecutionException success) {
1717	>	assertTrue(success.getCause() instanceof NullPointerException);
1718	>	} finally {
1719	>	joinPool(e);
1720	>	}
1721	>	}
1722	>
1723	>	/**
1724	>	* timed invokeAny(c) returns result of some task
1725	>	*/
1726	>	public void testTimedInvokeAny5() throws Exception {
1727	>	ExecutorService e =
1728	>	new ThreadPoolExecutor(2, 2,
1729	>	LONG_DELAY_MS, MILLISECONDS,
1730	>	new ArrayBlockingQueue<Runnable>(10));
1731	>	try {
1732	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1733	>	l.add(new StringTask());
1734	>	l.add(new StringTask());
1735	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1736	>	assertSame(TEST_STRING, result);
1737	>	} finally {
1738	>	joinPool(e);
1739	>	}
1740	>	}
1741	>
1742	>	/**
1743	>	* timed invokeAll(null) throws NPE
1744	>	*/
1745	>	public void testTimedInvokeAll1() throws Exception {
1746	>	ExecutorService e =
1747	>	new ThreadPoolExecutor(2, 2,
1748	>	LONG_DELAY_MS, MILLISECONDS,
1749	>	new ArrayBlockingQueue<Runnable>(10));
1750	>	try {
1751	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1752	>	shouldThrow();
1753	>	} catch (NullPointerException success) {
1754	>	} finally {
1755	>	joinPool(e);
1756	>	}
1757	>	}
1758	>
1759	>	/**
1760	>	* timed invokeAll(,,null) throws NPE
1761	>	*/
1762	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1763	>	ExecutorService e =
1764	>	new ThreadPoolExecutor(2, 2,
1765	>	LONG_DELAY_MS, MILLISECONDS,
1766	>	new ArrayBlockingQueue<Runnable>(10));
1767	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1768	>	l.add(new StringTask());
1769	>	try {
1770	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1771	>	shouldThrow();
1772	>	} catch (NullPointerException success) {
1773	>	} finally {
1774	>	joinPool(e);
1775	>	}
1776	>	}
1777	>
1778	>	/**
1779	>	* timed invokeAll(empty collection) returns empty collection
1780	>	*/
1781	>	public void testTimedInvokeAll2() throws InterruptedException {
1782	>	ExecutorService e =
1783	>	new ThreadPoolExecutor(2, 2,
1784	>	LONG_DELAY_MS, MILLISECONDS,
1785	>	new ArrayBlockingQueue<Runnable>(10));
1786	>	try {
1787	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1788	>	assertTrue(r.isEmpty());
1789	>	} finally {
1790	>	joinPool(e);
1791	>	}
1792	>	}
1793	>
1794	>	/**
1795	>	* timed invokeAll(c) throws NPE if c has null elements
1796	>	*/
1797	>	public void testTimedInvokeAll3() throws Exception {
1798	>	ExecutorService e =
1799	>	new ThreadPoolExecutor(2, 2,
1800	>	LONG_DELAY_MS, MILLISECONDS,
1801	>	new ArrayBlockingQueue<Runnable>(10));
1802	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1803	>	l.add(new StringTask());
1804	>	l.add(null);
1805	>	try {
1806	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1807	>	shouldThrow();
1808	>	} catch (NullPointerException success) {
1809	>	} finally {
1810	>	joinPool(e);
1811	>	}
1812	>	}
1813	>
1814	>	/**
1815	>	* get of element of invokeAll(c) throws exception on failed task
1816	>	*/
1817	>	public void testTimedInvokeAll4() throws Exception {
1818	>	ExecutorService e =
1819	>	new ThreadPoolExecutor(2, 2,
1820	>	LONG_DELAY_MS, MILLISECONDS,
1821	>	new ArrayBlockingQueue<Runnable>(10));
1822	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1823	>	l.add(new NPETask());
1824	>	List<Future<String>> futures =
1825	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1826	>	assertEquals(1, futures.size());
1827	>	try {
1828	>	futures.get(0).get();
1829	>	shouldThrow();
1830	>	} catch (ExecutionException success) {
1831	>	assertTrue(success.getCause() instanceof NullPointerException);
1832	>	} finally {
1833	>	joinPool(e);
1834	>	}
1835	>	}
1836	>
1837	>	/**
1838	>	* timed invokeAll(c) returns results of all completed tasks
1839	>	*/
1840	>	public void testTimedInvokeAll5() throws Exception {
1841	>	ExecutorService e =
1842	>	new ThreadPoolExecutor(2, 2,
1843	>	LONG_DELAY_MS, MILLISECONDS,
1844	>	new ArrayBlockingQueue<Runnable>(10));
1845	>	try {
1846	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1847	>	l.add(new StringTask());
1848	>	l.add(new StringTask());
1849	>	List<Future<String>> futures =
1850	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1851	>	assertEquals(2, futures.size());
1852	>	for (Future<String> future : futures)
1853	>	assertSame(TEST_STRING, future.get());
1854	>	} finally {
1855	>	joinPool(e);
1856	>	}
1857	>	}
1858	>
1859	>	/**
1860	>	* timed invokeAll(c) cancels tasks not completed by timeout
1861	>	*/
1862	>	public void testTimedInvokeAll6() throws Exception {
1863	>	ExecutorService e =
1864	>	new ThreadPoolExecutor(2, 2,
1865	>	LONG_DELAY_MS, MILLISECONDS,
1866	>	new ArrayBlockingQueue<Runnable>(10));
1867	>	try {
1868	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1869	>	l.add(new StringTask());
1870	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1871	>	l.add(new StringTask());
1872	>	List<Future<String>> futures =
1873	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1874	>	assertEquals(l.size(), futures.size());
1875	>	for (Future future : futures)
1876	>	assertTrue(future.isDone());
1877	>	assertFalse(futures.get(0).isCancelled());
1878	>	assertTrue(futures.get(1).isCancelled());
1879	>	} finally {
1880	>	joinPool(e);
1881	>	}
1882	>	}
1883	>
1884	>	/**
1885	>	* Execution continues if there is at least one thread even if
1886	>	* thread factory fails to create more
1887	>	*/
1888	>	public void testFailingThreadFactory() throws InterruptedException {
1889	>	final ExecutorService e =
1890	>	new ThreadPoolExecutor(100, 100,
1891	>	LONG_DELAY_MS, MILLISECONDS,
1892	>	new LinkedBlockingQueue<Runnable>(),
1893	>	new FailingThreadFactory());
1894	>	try {
1895	>	final int TASKS = 100;
1896	>	final CountDownLatch done = new CountDownLatch(TASKS);
1897	>	for (int k = 0; k < TASKS; ++k)
1898	>	e.execute(new CheckedRunnable() {
1899	>	public void realRun() {
1900	>	done.countDown();
1901	>	}});
1902	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1903	>	} finally {
1904	>	joinPool(e);
1905	>	}
1906	>	}
1907	>
1908	>	/**
1909	>	* allowsCoreThreadTimeOut is by default false.
1910	>	*/
1911	>	public void testAllowsCoreThreadTimeOut() {
1912	>	final ThreadPoolExecutor p =
1913	>	new ThreadPoolExecutor(2, 2,
1914	>	1000, MILLISECONDS,
1915	>	new ArrayBlockingQueue<Runnable>(10));
1916	>	assertFalse(p.allowsCoreThreadTimeOut());
1917	>	joinPool(p);
1918	>	}
1919	>
1920	>	/**
1921	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1922	>	*/
1923	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1924	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1925	>	final ThreadPoolExecutor p =
1926	>	new ThreadPoolExecutor(2, 10,
1927	>	coreThreadTimeOut, MILLISECONDS,
1928	>	new ArrayBlockingQueue<Runnable>(10));
1929	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1930	>	try {
1931	>	p.allowCoreThreadTimeOut(true);
1932	>	p.execute(new CheckedRunnable() {
1933	>	public void realRun() {
1934	>	threadStarted.countDown();
1935	>	assertEquals(1, p.getPoolSize());
1936	>	}});
1937	>	await(threadStarted);
1938	>	delay(coreThreadTimeOut);
1939	>	long startTime = System.nanoTime();
1940	>	while (p.getPoolSize() > 0
1941	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1942	>	Thread.yield();
1943	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1944	>	assertEquals(0, p.getPoolSize());
1945	>	} finally {
1946	>	joinPool(p);
1947	>	}
1948	>	}
1949	>
1950	>	/**
1951	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1952	>	*/
1953	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1954	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1955	>	final ThreadPoolExecutor p =
1956	>	new ThreadPoolExecutor(2, 10,
1957	>	coreThreadTimeOut, MILLISECONDS,
1958	>	new ArrayBlockingQueue<Runnable>(10));
1959	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1960	>	try {
1961	>	p.allowCoreThreadTimeOut(false);
1962	>	p.execute(new CheckedRunnable() {
1963	>	public void realRun() throws InterruptedException {
1964	>	threadStarted.countDown();
1965	>	assertTrue(p.getPoolSize() >= 1);
1966	>	}});
1967	>	delay(2 * coreThreadTimeOut);
1968	>	assertTrue(p.getPoolSize() >= 1);
1969	>	} finally {
1970	>	joinPool(p);
1971	>	}
1972	>	}
1973	>
1974	>	/**
1975	>	* execute allows the same task to be submitted multiple times, even
1976	>	* if rejected
1977	>	*/
1978	>	public void testRejectedRecycledTask() throws InterruptedException {
1979	>	final int nTasks = 1000;
1980	>	final CountDownLatch done = new CountDownLatch(nTasks);
1981	>	final Runnable recycledTask = new Runnable() {
1982	>	public void run() {
1983	>	done.countDown();
1984	>	}};
1985	>	final ThreadPoolExecutor p =
1986	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1987	>	new ArrayBlockingQueue(30));
1988	>	try {
1989	>	for (int i = 0; i < nTasks; ++i) {
1990	>	for (;;) {
1991	>	try {
1992	>	p.execute(recycledTask);
1993	>	break;
1994	>	}
1995	>	catch (RejectedExecutionException ignore) {}
1996	>	}
1997	>	}
1998	>	// enough time to run all tasks
1999	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2000	>	} finally {
2001	>	joinPool(p);
2002	>	}
2003	>	}
2004	>
2005		}

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