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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.56 by jsr166, Mon Sep 14 00:33:41 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.CancellationException;
18	+	import java.util.concurrent.Callable;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+
33	+	import junit.framework.Test;
34	+	import junit.framework.TestSuite;
35
36	<	public class ThreadPoolExecutorTest extends TestCase{
36	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run (suite());
38	>	main(suite(), args);
39		}
16	–
17	–
40		public static Test suite() {
41		return new TestSuite(ThreadPoolExecutorTest.class);
42		}
21	–
22	–	private static long SHORT_DELAY_MS = 100;
23	–	private static long MEDIUM_DELAY_MS = 1000;
24	–	private static long LONG_DELAY_MS = 10000;
25	–
26	–	//---- testThread class to implement ThreadFactory for use in constructors
27	–	static class testThread implements ThreadFactory{
28	–	public Thread newThread(Runnable r){
29	–	return new Thread(r);
30	–	}
31	–	}
43
44	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
45	<	static class testReject implements RejectedExecutionHandler{
46	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
44	>	static class ExtendedTPE extends ThreadPoolExecutor {
45	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
46	>	final CountDownLatch afterCalled = new CountDownLatch(1);
47	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
48	>
49	>	public ExtendedTPE() {
50	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
51	>	}
52	>	protected void beforeExecute(Thread t, Runnable r) {
53	>	beforeCalled.countDown();
54	>	}
55	>	protected void afterExecute(Runnable r, Throwable t) {
56	>	afterCalled.countDown();
57	>	}
58	>	protected void terminated() {
59	>	terminatedCalled.countDown();
60	>	}
61	>
62	>	public boolean beforeCalled() {
63	>	return beforeCalled.getCount() == 0;
64	>	}
65	>	public boolean afterCalled() {
66	>	return afterCalled.getCount() == 0;
67	>	}
68	>	public boolean terminatedCalled() {
69	>	return terminatedCalled.getCount() == 0;
70	>	}
71		}
72
73	<	public Runnable newRunnable(){
74	<	return new Runnable(){
75	<	public void run(){
76	<	try{Thread.sleep(MEDIUM_DELAY_MS);
77	<	} catch(Exception e){
78	<	}
44	<	}
45	<	};
73	>	static class FailingThreadFactory implements ThreadFactory {
74	>	int calls = 0;
75	>	public Thread newThread(Runnable r) {
76	>	if (++calls > 1) return null;
77	>	return new Thread(r);
78	>	}
79		}
80
48	–
81		/**
82	<	*  Test to verify that execute successfully executes a runnable
82	>	* execute successfully executes a runnable
83		*/
84	<	public void testExecute(){
85	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
84	>	public void testExecute() throws InterruptedException {
85	>	final ThreadPoolExecutor p =
86	>	new ThreadPoolExecutor(1, 1,
87	>	LONG_DELAY_MS, MILLISECONDS,
88	>	new ArrayBlockingQueue<Runnable>(10));
89	>	final CountDownLatch done = new CountDownLatch(1);
90	>	final Runnable task = new CheckedRunnable() {
91	>	public void realRun() {
92	>	done.countDown();
93	>	}};
94		try {
95	<	one.execute(new Runnable(){
96	<	public void run(){
57	<	try{
58	<	Thread.sleep(SHORT_DELAY_MS);
59	<	}catch(InterruptedException e){
60	<	fail("unexpected exception");
61	<	}
62	<	}
63	<	});
64	<	Thread.sleep(SHORT_DELAY_MS * 2);
65	<	}catch(InterruptedException e){
66	<	fail("unexpected exception");
95	>	p.execute(task);
96	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
97		} finally {
98	<	one.shutdown();
98	>	joinPool(p);
99		}
100		}
101
102		/**
103	<	*  Test to verify getActiveCount gives correct values
103	>	* getActiveCount increases but doesn't overestimate, when a
104	>	* thread becomes active
105		*/
106	<	public void testGetActiveCount(){
107	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
106	>	public void testGetActiveCount() throws InterruptedException {
107	>	final ThreadPoolExecutor p =
108	>	new ThreadPoolExecutor(2, 2,
109	>	LONG_DELAY_MS, MILLISECONDS,
110	>	new ArrayBlockingQueue<Runnable>(10));
111	>	final CountDownLatch threadStarted = new CountDownLatch(1);
112	>	final CountDownLatch done = new CountDownLatch(1);
113		try {
114	<	assertEquals(0, two.getActiveCount());
115	<	two.execute(newRunnable());
116	<	try{Thread.sleep(10);}catch(Exception e){}
117	<	assertEquals(1, two.getActiveCount());
114	>	assertEquals(0, p.getActiveCount());
115	>	p.execute(new CheckedRunnable() {
116	>	public void realRun() throws InterruptedException {
117	>	threadStarted.countDown();
118	>	assertEquals(1, p.getActiveCount());
119	>	done.await();
120	>	}});
121	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
122	>	assertEquals(1, p.getActiveCount());
123		} finally {
124	<	two.shutdown();
124	>	done.countDown();
125	>	joinPool(p);
126		}
127		}
128	<
128	>
129	>	/**
130	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
131	>	*/
132	>	public void testPrestartCoreThread() {
133	>	final ThreadPoolExecutor p =
134	>	new ThreadPoolExecutor(2, 2,
135	>	LONG_DELAY_MS, MILLISECONDS,
136	>	new ArrayBlockingQueue<Runnable>(10));
137	>	assertEquals(0, p.getPoolSize());
138	>	assertTrue(p.prestartCoreThread());
139	>	assertEquals(1, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(2, p.getPoolSize());
142	>	assertFalse(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	joinPool(p);
145	>	}
146	>
147	>	/**
148	>	* prestartAllCoreThreads starts all corePoolSize threads
149	>	*/
150	>	public void testPrestartAllCoreThreads() {
151	>	final ThreadPoolExecutor p =
152	>	new ThreadPoolExecutor(2, 2,
153	>	LONG_DELAY_MS, MILLISECONDS,
154	>	new ArrayBlockingQueue<Runnable>(10));
155	>	assertEquals(0, p.getPoolSize());
156	>	p.prestartAllCoreThreads();
157	>	assertEquals(2, p.getPoolSize());
158	>	p.prestartAllCoreThreads();
159	>	assertEquals(2, p.getPoolSize());
160	>	joinPool(p);
161	>	}
162	>
163		/**
164	<	*  Test to verify getCompleteTaskCount gives correct values
164	>	* getCompletedTaskCount increases, but doesn't overestimate,
165	>	* when tasks complete
166		*/
167	<	public void testGetCompletedTaskCount(){
168	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
167	>	public void testGetCompletedTaskCount() throws InterruptedException {
168	>	final ThreadPoolExecutor p =
169	>	new ThreadPoolExecutor(2, 2,
170	>	LONG_DELAY_MS, MILLISECONDS,
171	>	new ArrayBlockingQueue<Runnable>(10));
172	>	final CountDownLatch threadStarted = new CountDownLatch(1);
173	>	final CountDownLatch threadProceed = new CountDownLatch(1);
174	>	final CountDownLatch threadDone = new CountDownLatch(1);
175		try {
176	<	assertEquals(0, two.getCompletedTaskCount());
177	<	two.execute(newRunnable());
178	<	try{Thread.sleep(2000);}catch(Exception e){}
179	<	assertEquals(1, two.getCompletedTaskCount());
176	>	assertEquals(0, p.getCompletedTaskCount());
177	>	p.execute(new CheckedRunnable() {
178	>	public void realRun() throws InterruptedException {
179	>	threadStarted.countDown();
180	>	assertEquals(0, p.getCompletedTaskCount());
181	>	threadProceed.await();
182	>	threadDone.countDown();
183	>	}});
184	>	await(threadStarted);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	threadProceed.countDown();
187	>	threadDone.await();
188	>	long startTime = System.nanoTime();
189	>	while (p.getCompletedTaskCount() != 1) {
190	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
191	>	fail("timed out");
192	>	Thread.yield();
193	>	}
194		} finally {
195	<	two.shutdown();
195	>	joinPool(p);
196		}
197		}
198	<
198	>
199	>	/**
200	>	* getCorePoolSize returns size given in constructor if not otherwise set
201	>	*/
202	>	public void testGetCorePoolSize() {
203	>	final ThreadPoolExecutor p =
204	>	new ThreadPoolExecutor(1, 1,
205	>	LONG_DELAY_MS, MILLISECONDS,
206	>	new ArrayBlockingQueue<Runnable>(10));
207	>	assertEquals(1, p.getCorePoolSize());
208	>	joinPool(p);
209	>	}
210	>
211	>	/**
212	>	* getKeepAliveTime returns value given in constructor if not otherwise set
213	>	*/
214	>	public void testGetKeepAliveTime() {
215	>	final ThreadPoolExecutor p =
216	>	new ThreadPoolExecutor(2, 2,
217	>	1000, MILLISECONDS,
218	>	new ArrayBlockingQueue<Runnable>(10));
219	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
220	>	joinPool(p);
221	>	}
222	>
223	>	/**
224	>	* getThreadFactory returns factory in constructor if not set
225	>	*/
226	>	public void testGetThreadFactory() {
227	>	ThreadFactory tf = new SimpleThreadFactory();
228	>	final ThreadPoolExecutor p =
229	>	new ThreadPoolExecutor(1, 2,
230	>	LONG_DELAY_MS, MILLISECONDS,
231	>	new ArrayBlockingQueue<Runnable>(10),
232	>	tf,
233	>	new NoOpREHandler());
234	>	assertSame(tf, p.getThreadFactory());
235	>	joinPool(p);
236	>	}
237	>
238	>	/**
239	>	* setThreadFactory sets the thread factory returned by getThreadFactory
240	>	*/
241	>	public void testSetThreadFactory() {
242	>	final ThreadPoolExecutor p =
243	>	new ThreadPoolExecutor(1, 2,
244	>	LONG_DELAY_MS, MILLISECONDS,
245	>	new ArrayBlockingQueue<Runnable>(10));
246	>	ThreadFactory tf = new SimpleThreadFactory();
247	>	p.setThreadFactory(tf);
248	>	assertSame(tf, p.getThreadFactory());
249	>	joinPool(p);
250	>	}
251	>
252		/**
253	<	*  Test to verify getCorePoolSize gives correct values
253	>	* setThreadFactory(null) throws NPE
254		*/
255	<	public void testGetCorePoolSize(){
256	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
255	>	public void testSetThreadFactoryNull() {
256	>	final ThreadPoolExecutor p =
257	>	new ThreadPoolExecutor(1, 2,
258	>	LONG_DELAY_MS, MILLISECONDS,
259	>	new ArrayBlockingQueue<Runnable>(10));
260		try {
261	<	assertEquals(1, one.getCorePoolSize());
261	>	p.setThreadFactory(null);
262	>	shouldThrow();
263	>	} catch (NullPointerException success) {
264		} finally {
265	<	one.shutdown();
265	>	joinPool(p);
266		}
267		}
268	<
268	>
269	>	/**
270	>	* getRejectedExecutionHandler returns handler in constructor if not set
271	>	*/
272	>	public void testGetRejectedExecutionHandler() {
273	>	final RejectedExecutionHandler h = new NoOpREHandler();
274	>	final ThreadPoolExecutor p =
275	>	new ThreadPoolExecutor(1, 2,
276	>	LONG_DELAY_MS, MILLISECONDS,
277	>	new ArrayBlockingQueue<Runnable>(10),
278	>	h);
279	>	assertSame(h, p.getRejectedExecutionHandler());
280	>	joinPool(p);
281	>	}
282	>
283	>	/**
284	>	* setRejectedExecutionHandler sets the handler returned by
285	>	* getRejectedExecutionHandler
286	>	*/
287	>	public void testSetRejectedExecutionHandler() {
288	>	final ThreadPoolExecutor p =
289	>	new ThreadPoolExecutor(1, 2,
290	>	LONG_DELAY_MS, MILLISECONDS,
291	>	new ArrayBlockingQueue<Runnable>(10));
292	>	RejectedExecutionHandler h = new NoOpREHandler();
293	>	p.setRejectedExecutionHandler(h);
294	>	assertSame(h, p.getRejectedExecutionHandler());
295	>	joinPool(p);
296	>	}
297	>
298		/**
299	<	*  Test to verify getKeepAliveTime gives correct values
299	>	* setRejectedExecutionHandler(null) throws NPE
300		*/
301	<	public void testGetKeepAliveTime(){
302	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
301	>	public void testSetRejectedExecutionHandlerNull() {
302	>	final ThreadPoolExecutor p =
303	>	new ThreadPoolExecutor(1, 2,
304	>	LONG_DELAY_MS, MILLISECONDS,
305	>	new ArrayBlockingQueue<Runnable>(10));
306		try {
307	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
307	>	p.setRejectedExecutionHandler(null);
308	>	shouldThrow();
309	>	} catch (NullPointerException success) {
310		} finally {
311	<	two.shutdown();
311	>	joinPool(p);
312		}
313		}
314	<
314	>
315		/**
316	<	*  Test to verify getLargestPoolSize gives correct values
316	>	* getLargestPoolSize increases, but doesn't overestimate, when
317	>	* multiple threads active
318		*/
319	<	public void testGetLargestPoolSize(){
320	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
319	>	public void testGetLargestPoolSize() throws InterruptedException {
320	>	final int THREADS = 3;
321	>	final ThreadPoolExecutor p =
322	>	new ThreadPoolExecutor(THREADS, THREADS,
323	>	LONG_DELAY_MS, MILLISECONDS,
324	>	new ArrayBlockingQueue<Runnable>(10));
325	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
326	>	final CountDownLatch done = new CountDownLatch(1);
327		try {
328	<	assertEquals(0, two.getLargestPoolSize());
329	<	two.execute(newRunnable());
330	<	two.execute(newRunnable());
331	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
332	<	assertEquals(2, two.getLargestPoolSize());
328	>	assertEquals(0, p.getLargestPoolSize());
329	>	for (int i = 0; i < THREADS; i++)
330	>	p.execute(new CheckedRunnable() {
331	>	public void realRun() throws InterruptedException {
332	>	threadsStarted.countDown();
333	>	done.await();
334	>	assertEquals(THREADS, p.getLargestPoolSize());
335	>	}});
336	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337	>	assertEquals(THREADS, p.getLargestPoolSize());
338		} finally {
339	<	two.shutdown();
339	>	done.countDown();
340	>	joinPool(p);
341	>	assertEquals(THREADS, p.getLargestPoolSize());
342		}
343		}
344	<
344	>
345	>	/**
346	>	* getMaximumPoolSize returns value given in constructor if not
347	>	* otherwise set
348	>	*/
349	>	public void testGetMaximumPoolSize() {
350	>	final ThreadPoolExecutor p =
351	>	new ThreadPoolExecutor(2, 3,
352	>	LONG_DELAY_MS, MILLISECONDS,
353	>	new ArrayBlockingQueue<Runnable>(10));
354	>	assertEquals(3, p.getMaximumPoolSize());
355	>	joinPool(p);
356	>	}
357	>
358		/**
359	<	*  Test to verify getMaximumPoolSize gives correct values
359	>	* getPoolSize increases, but doesn't overestimate, when threads
360	>	* become active
361		*/
362	<	public void testGetMaximumPoolSize(){
363	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
362	>	public void testGetPoolSize() throws InterruptedException {
363	>	final ThreadPoolExecutor p =
364	>	new ThreadPoolExecutor(1, 1,
365	>	LONG_DELAY_MS, MILLISECONDS,
366	>	new ArrayBlockingQueue<Runnable>(10));
367	>	final CountDownLatch threadStarted = new CountDownLatch(1);
368	>	final CountDownLatch done = new CountDownLatch(1);
369		try {
370	<	assertEquals(2, two.getMaximumPoolSize());
370	>	assertEquals(0, p.getPoolSize());
371	>	p.execute(new CheckedRunnable() {
372	>	public void realRun() throws InterruptedException {
373	>	threadStarted.countDown();
374	>	assertEquals(1, p.getPoolSize());
375	>	done.await();
376	>	}});
377	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
378	>	assertEquals(1, p.getPoolSize());
379		} finally {
380	<	two.shutdown();
380	>	done.countDown();
381	>	joinPool(p);
382		}
383		}
384	<
384	>
385		/**
386	<	*  Test to verify getPoolSize gives correct values
386	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
387		*/
388	<	public void testGetPoolSize(){
389	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
390	<	try {
391	<	assertEquals(0, one.getPoolSize());
392	<	one.execute(newRunnable());
393	<	assertEquals(1, one.getPoolSize());
388	>	public void testGetTaskCount() throws InterruptedException {
389	>	final ThreadPoolExecutor p =
390	>	new ThreadPoolExecutor(1, 1,
391	>	LONG_DELAY_MS, MILLISECONDS,
392	>	new ArrayBlockingQueue<Runnable>(10));
393	>	final CountDownLatch threadStarted = new CountDownLatch(1);
394	>	final CountDownLatch done = new CountDownLatch(1);
395	>	try {
396	>	assertEquals(0, p.getTaskCount());
397	>	p.execute(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadStarted.countDown();
400	>	assertEquals(1, p.getTaskCount());
401	>	done.await();
402	>	}});
403	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404	>	assertEquals(1, p.getTaskCount());
405		} finally {
406	<	one.shutdown();
406	>	done.countDown();
407	>	joinPool(p);
408		}
409		}
410	<
410	>
411	>	/**
412	>	* isShutdown is false before shutdown, true after
413	>	*/
414	>	public void testIsShutdown() {
415	>	final ThreadPoolExecutor p =
416	>	new ThreadPoolExecutor(1, 1,
417	>	LONG_DELAY_MS, MILLISECONDS,
418	>	new ArrayBlockingQueue<Runnable>(10));
419	>	assertFalse(p.isShutdown());
420	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
421	>	assertTrue(p.isShutdown());
422	>	joinPool(p);
423	>	}
424	>
425	>	/**
426	>	* awaitTermination on a non-shutdown pool times out
427	>	*/
428	>	public void testAwaitTermination_timesOut() throws InterruptedException {
429	>	final ThreadPoolExecutor p =
430	>	new ThreadPoolExecutor(1, 1,
431	>	LONG_DELAY_MS, MILLISECONDS,
432	>	new ArrayBlockingQueue<Runnable>(10));
433	>	assertFalse(p.isTerminated());
434	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
435	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
436	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
437	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
438	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
439	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
440	>	long timeoutNanos = 999999L;
441	>	long startTime = System.nanoTime();
442	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
443	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
444	>	assertFalse(p.isTerminated());
445	>	startTime = System.nanoTime();
446	>	long timeoutMillis = timeoutMillis();
447	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
448	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
449	>	assertFalse(p.isTerminated());
450	>	p.shutdown();
451	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
452	>	assertTrue(p.isTerminated());
453	>	}
454	>
455		/**
456	<	*  Test to verify getTaskCount gives correct values
456	>	* isTerminated is false before termination, true after
457		*/
458	<	public void testGetTaskCount(){
459	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
458	>	public void testIsTerminated() throws InterruptedException {
459	>	final ThreadPoolExecutor p =
460	>	new ThreadPoolExecutor(1, 1,
461	>	LONG_DELAY_MS, MILLISECONDS,
462	>	new ArrayBlockingQueue<Runnable>(10));
463	>	final CountDownLatch threadStarted = new CountDownLatch(1);
464	>	final CountDownLatch done = new CountDownLatch(1);
465	>	assertFalse(p.isTerminated());
466		try {
467	<	assertEquals(0, one.getTaskCount());
468	<	for(int i = 0; i < 5; i++)
469	<	one.execute(newRunnable());
470	<	try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
471	<	assertEquals(5, one.getTaskCount());
467	>	p.execute(new CheckedRunnable() {
468	>	public void realRun() throws InterruptedException {
469	>	assertFalse(p.isTerminated());
470	>	threadStarted.countDown();
471	>	done.await();
472	>	}});
473	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
474	>	assertFalse(p.isTerminating());
475	>	done.countDown();
476		} finally {
477	<	one.shutdown();
477	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
478		}
479	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
480	+	assertTrue(p.isTerminated());
481		}
482	<
482	>
483		/**
484	<	*  Test to verify isShutDown gives correct values
484	>	* isTerminating is not true when running or when terminated
485		*/
486	<	public void testIsShutdown(){
487	<
488	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
486	>	public void testIsTerminating() throws InterruptedException {
487	>	final ThreadPoolExecutor p =
488	>	new ThreadPoolExecutor(1, 1,
489	>	LONG_DELAY_MS, MILLISECONDS,
490	>	new ArrayBlockingQueue<Runnable>(10));
491	>	final CountDownLatch threadStarted = new CountDownLatch(1);
492	>	final CountDownLatch done = new CountDownLatch(1);
493		try {
494	<	assertFalse(one.isShutdown());
494	>	assertFalse(p.isTerminating());
495	>	p.execute(new CheckedRunnable() {
496	>	public void realRun() throws InterruptedException {
497	>	assertFalse(p.isTerminating());
498	>	threadStarted.countDown();
499	>	done.await();
500	>	}});
501	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
502	>	assertFalse(p.isTerminating());
503	>	done.countDown();
504	>	} finally {
505	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
506		}
507	<	finally {
508	<	one.shutdown();
507	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
508	>	assertTrue(p.isTerminated());
509	>	assertFalse(p.isTerminating());
510	>	}
511	>
512	>	/**
513	>	* getQueue returns the work queue, which contains queued tasks
514	>	*/
515	>	public void testGetQueue() throws InterruptedException {
516	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
517	>	final ThreadPoolExecutor p =
518	>	new ThreadPoolExecutor(1, 1,
519	>	LONG_DELAY_MS, MILLISECONDS,
520	>	q);
521	>	final CountDownLatch threadStarted = new CountDownLatch(1);
522	>	final CountDownLatch done = new CountDownLatch(1);
523	>	try {
524	>	FutureTask[] tasks = new FutureTask[5];
525	>	for (int i = 0; i < tasks.length; i++) {
526	>	Callable task = new CheckedCallable<Boolean>() {
527	>	public Boolean realCall() throws InterruptedException {
528	>	threadStarted.countDown();
529	>	assertSame(q, p.getQueue());
530	>	done.await();
531	>	return Boolean.TRUE;
532	>	}};
533	>	tasks[i] = new FutureTask(task);
534	>	p.execute(tasks[i]);
535	>	}
536	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
537	>	assertSame(q, p.getQueue());
538	>	assertFalse(q.contains(tasks[0]));
539	>	assertTrue(q.contains(tasks[tasks.length - 1]));
540	>	assertEquals(tasks.length - 1, q.size());
541	>	} finally {
542	>	done.countDown();
543	>	joinPool(p);
544		}
196	–	assertTrue(one.isShutdown());
545		}
546
199	–
547		/**
548	<	*  Test to verify isTerminated gives correct values
202	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
548	>	* remove(task) removes queued task, and fails to remove active task
549		*/
550	<	public void testIsTerminated(){
551	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
550	>	public void testRemove() throws InterruptedException {
551	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
552	>	final ThreadPoolExecutor p =
553	>	new ThreadPoolExecutor(1, 1,
554	>	LONG_DELAY_MS, MILLISECONDS,
555	>	q);
556	>	Runnable[] tasks = new Runnable[5];
557	>	final CountDownLatch threadStarted = new CountDownLatch(1);
558	>	final CountDownLatch done = new CountDownLatch(1);
559		try {
560	<	one.execute(newRunnable());
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	tasks[i] = new CheckedRunnable() {
562	>	public void realRun() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	done.await();
565	>	}};
566	>	p.execute(tasks[i]);
567	>	}
568	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569	>	assertFalse(p.remove(tasks[0]));
570	>	assertTrue(q.contains(tasks[4]));
571	>	assertTrue(q.contains(tasks[3]));
572	>	assertTrue(p.remove(tasks[4]));
573	>	assertFalse(p.remove(tasks[4]));
574	>	assertFalse(q.contains(tasks[4]));
575	>	assertTrue(q.contains(tasks[3]));
576	>	assertTrue(p.remove(tasks[3]));
577	>	assertFalse(q.contains(tasks[3]));
578		} finally {
579	<	one.shutdown();
579	>	done.countDown();
580	>	joinPool(p);
581		}
212	–	boolean flag = false;
213	–	try{
214	–	flag = one.awaitTermination(10, TimeUnit.SECONDS);
215	–	}catch(Exception e){}
216	–	assertTrue(one.isTerminated());
217	–	if(!flag)
218	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
582		}
583
584		/**
585	<	*  Test to verify that purge correctly removes cancelled tasks
223	<	*  from the queue
585	>	* purge removes cancelled tasks from the queue
586		*/
587	<	public void testPurge(){
588	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
587	>	public void testPurge() throws InterruptedException {
588	>	final CountDownLatch threadStarted = new CountDownLatch(1);
589	>	final CountDownLatch done = new CountDownLatch(1);
590	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
591	>	final ThreadPoolExecutor p =
592	>	new ThreadPoolExecutor(1, 1,
593	>	LONG_DELAY_MS, MILLISECONDS,
594	>	q);
595	>	FutureTask[] tasks = new FutureTask[5];
596		try {
597	<	CancellableTask[] tasks = new CancellableTask[5];
598	<	for(int i = 0; i < 5; i++){
599	<	tasks[i] = new CancellableTask(newRunnable());
600	<	one.execute(tasks[i]);
597	>	for (int i = 0; i < tasks.length; i++) {
598	>	Callable task = new CheckedCallable<Boolean>() {
599	>	public Boolean realCall() throws InterruptedException {
600	>	threadStarted.countDown();
601	>	done.await();
602	>	return Boolean.TRUE;
603	>	}};
604	>	tasks[i] = new FutureTask(task);
605	>	p.execute(tasks[i]);
606		}
607	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608	+	assertEquals(tasks.length, p.getTaskCount());
609	+	assertEquals(tasks.length - 1, q.size());
610	+	assertEquals(1L, p.getActiveCount());
611	+	assertEquals(0L, p.getCompletedTaskCount());
612		tasks[4].cancel(true);
613	<	tasks[3].cancel(true);
614	<	one.purge();
615	<	long count = one.getTaskCount();
616	<	assertTrue(count >= 2 && count < 5);
613	>	tasks[3].cancel(false);
614	>	p.purge();
615	>	assertEquals(tasks.length - 3, q.size());
616	>	assertEquals(tasks.length - 2, p.getTaskCount());
617	>	p.purge();         // Nothing to do
618	>	assertEquals(tasks.length - 3, q.size());
619	>	assertEquals(tasks.length - 2, p.getTaskCount());
620		} finally {
621	<	one.shutdown();
621	>	done.countDown();
622	>	joinPool(p);
623		}
624		}
625
626		/**
627	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
627	>	* shutdownNow returns a list containing tasks that were not run
628		*/
629	<	public void testShutDownNow(){
630	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
629	>	public void testShutdownNow() {
630	>	final ThreadPoolExecutor p =
631	>	new ThreadPoolExecutor(1, 1,
632	>	LONG_DELAY_MS, MILLISECONDS,
633	>	new ArrayBlockingQueue<Runnable>(10));
634		List l;
635		try {
636	<	for(int i = 0; i < 5; i++)
637	<	one.execute(newRunnable());
636	>	for (int i = 0; i < 5; i++)
637	>	p.execute(new MediumPossiblyInterruptedRunnable());
638		}
639		finally {
640	<	l = one.shutdownNow();
640	>	try {
641	>	l = p.shutdownNow();
642	>	} catch (SecurityException ok) { return; }
643		}
644	<	assertTrue(one.isShutdown());
645	<	assertTrue(l.size() <= 4);
644	>	assertTrue(p.isShutdown());
645	>	assertTrue(l.size() <= 4);
646		}
647
261	–
262	–
263	–
264	–
265	–
648		// Exception Tests
267	–
649
650	<	//---- Tests if corePoolSize argument is less than zero
650	>	/**
651	>	* Constructor throws if corePoolSize argument is less than zero
652	>	*/
653		public void testConstructor1() {
654	<	try{
655	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
656	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
657	<	}
658	<	catch (IllegalArgumentException i){}
654	>	try {
655	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
656	>	new ArrayBlockingQueue<Runnable>(10));
657	>	shouldThrow();
658	>	} catch (IllegalArgumentException success) {}
659		}
660	<
661	<	//---- Tests if maximumPoolSize is less than zero
660	>
661	>	/**
662	>	* Constructor throws if maximumPoolSize is less than zero
663	>	*/
664		public void testConstructor2() {
665	<	try{
666	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
667	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
668	<	}
669	<	catch (IllegalArgumentException i2){}
665	>	try {
666	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
667	>	new ArrayBlockingQueue<Runnable>(10));
668	>	shouldThrow();
669	>	} catch (IllegalArgumentException success) {}
670		}
671	<
672	<	//---- Tests if maximumPoolSize is equal to zero
671	>
672	>	/**
673	>	* Constructor throws if maximumPoolSize is equal to zero
674	>	*/
675		public void testConstructor3() {
676	<	try{
677	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
678	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
679	<	}
680	<	catch (IllegalArgumentException i3){}
676	>	try {
677	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
678	>	new ArrayBlockingQueue<Runnable>(10));
679	>	shouldThrow();
680	>	} catch (IllegalArgumentException success) {}
681		}
682
683	<	//---- Tests if keepAliveTime is less than zero
683	>	/**
684	>	* Constructor throws if keepAliveTime is less than zero
685	>	*/
686		public void testConstructor4() {
687	<	try{
688	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
689	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
690	<	}
691	<	catch (IllegalArgumentException i4){}
687	>	try {
688	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
689	>	new ArrayBlockingQueue<Runnable>(10));
690	>	shouldThrow();
691	>	} catch (IllegalArgumentException success) {}
692		}
693
694	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
694	>	/**
695	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
696	>	*/
697		public void testConstructor5() {
698	<	try{
699	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
700	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
701	<	}
702	<	catch (IllegalArgumentException i5){}
698	>	try {
699	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
700	>	new ArrayBlockingQueue<Runnable>(10));
701	>	shouldThrow();
702	>	} catch (IllegalArgumentException success) {}
703		}
704	<
705	<	//---- Tests if workQueue is set to null
706	<	public void testNullPointerException() {
707	<	try{
708	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
709	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
710	<	}
711	<	catch (NullPointerException n){}
704	>
705	>	/**
706	>	* Constructor throws if workQueue is set to null
707	>	*/
708	>	public void testConstructorNullPointerException() {
709	>	try {
710	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
711	>	(BlockingQueue) null);
712	>	shouldThrow();
713	>	} catch (NullPointerException success) {}
714		}
322	–
715
716	<
717	<	//---- Tests if corePoolSize argument is less than zero
716	>	/**
717	>	* Constructor throws if corePoolSize argument is less than zero
718	>	*/
719		public void testConstructor6() {
720	<	try{
721	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
722	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
723	<	}catch (IllegalArgumentException i6){}
720	>	try {
721	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
722	>	new ArrayBlockingQueue<Runnable>(10),
723	>	new SimpleThreadFactory());
724	>	shouldThrow();
725	>	} catch (IllegalArgumentException success) {}
726		}
727	<
728	<	//---- Tests if maximumPoolSize is less than zero
727	>
728	>	/**
729	>	* Constructor throws if maximumPoolSize is less than zero
730	>	*/
731		public void testConstructor7() {
732	<	try{
733	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
734	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
735	<	}
736	<	catch (IllegalArgumentException i7){}
732	>	try {
733	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
734	>	new ArrayBlockingQueue<Runnable>(10),
735	>	new SimpleThreadFactory());
736	>	shouldThrow();
737	>	} catch (IllegalArgumentException success) {}
738		}
739
740	<	//---- Tests if maximumPoolSize is equal to zero
740	>	/**
741	>	* Constructor throws if maximumPoolSize is equal to zero
742	>	*/
743		public void testConstructor8() {
744	<	try{
745	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
746	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
747	<	}
748	<	catch (IllegalArgumentException i8){}
744	>	try {
745	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748	>	shouldThrow();
749	>	} catch (IllegalArgumentException success) {}
750		}
751
752	<	//---- Tests if keepAliveTime is less than zero
752	>	/**
753	>	* Constructor throws if keepAliveTime is less than zero
754	>	*/
755		public void testConstructor9() {
756	<	try{
757	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
758	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
759	<	}
760	<	catch (IllegalArgumentException i9){}
756	>	try {
757	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760	>	shouldThrow();
761	>	} catch (IllegalArgumentException success) {}
762		}
763
764	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
764	>	/**
765	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
766	>	*/
767		public void testConstructor10() {
768	<	try{
769	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
770	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
768	>	try {
769	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772	>	shouldThrow();
773	>	} catch (IllegalArgumentException success) {}
774	>	}
775	>
776	>	/**
777	>	* Constructor throws if workQueue is set to null
778	>	*/
779	>	public void testConstructorNullPointerException2() {
780	>	try {
781	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
782	>	(BlockingQueue) null,
783	>	new SimpleThreadFactory());
784	>	shouldThrow();
785	>	} catch (NullPointerException success) {}
786	>	}
787	>
788	>	/**
789	>	* Constructor throws if threadFactory is set to null
790	>	*/
791	>	public void testConstructorNullPointerException3() {
792	>	try {
793	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	(ThreadFactory) null);
796	>	shouldThrow();
797	>	} catch (NullPointerException success) {}
798	>	}
799	>
800	>	/**
801	>	* Constructor throws if corePoolSize argument is less than zero
802	>	*/
803	>	public void testConstructor11() {
804	>	try {
805	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
806	>	new ArrayBlockingQueue<Runnable>(10),
807	>	new NoOpREHandler());
808	>	shouldThrow();
809	>	} catch (IllegalArgumentException success) {}
810	>	}
811	>
812	>	/**
813	>	* Constructor throws if maximumPoolSize is less than zero
814	>	*/
815	>	public void testConstructor12() {
816	>	try {
817	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	new NoOpREHandler());
820	>	shouldThrow();
821	>	} catch (IllegalArgumentException success) {}
822	>	}
823	>
824	>	/**
825	>	* Constructor throws if maximumPoolSize is equal to zero
826	>	*/
827	>	public void testConstructor13() {
828	>	try {
829	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832	>	shouldThrow();
833	>	} catch (IllegalArgumentException success) {}
834	>	}
835	>
836	>	/**
837	>	* Constructor throws if keepAliveTime is less than zero
838	>	*/
839	>	public void testConstructor14() {
840	>	try {
841	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844	>	shouldThrow();
845	>	} catch (IllegalArgumentException success) {}
846	>	}
847	>
848	>	/**
849	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
850	>	*/
851	>	public void testConstructor15() {
852	>	try {
853	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856	>	shouldThrow();
857	>	} catch (IllegalArgumentException success) {}
858	>	}
859	>
860	>	/**
861	>	* Constructor throws if workQueue is set to null
862	>	*/
863	>	public void testConstructorNullPointerException4() {
864	>	try {
865	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
866	>	(BlockingQueue) null,
867	>	new NoOpREHandler());
868	>	shouldThrow();
869	>	} catch (NullPointerException success) {}
870	>	}
871	>
872	>	/**
873	>	* Constructor throws if handler is set to null
874	>	*/
875	>	public void testConstructorNullPointerException5() {
876	>	try {
877	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	(RejectedExecutionHandler) null);
880	>	shouldThrow();
881	>	} catch (NullPointerException success) {}
882	>	}
883	>
884	>	/**
885	>	* Constructor throws if corePoolSize argument is less than zero
886	>	*/
887	>	public void testConstructor16() {
888	>	try {
889	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
890	>	new ArrayBlockingQueue<Runnable>(10),
891	>	new SimpleThreadFactory(),
892	>	new NoOpREHandler());
893	>	shouldThrow();
894	>	} catch (IllegalArgumentException success) {}
895	>	}
896	>
897	>	/**
898	>	* Constructor throws if maximumPoolSize is less than zero
899	>	*/
900	>	public void testConstructor17() {
901	>	try {
902	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
903	>	new ArrayBlockingQueue<Runnable>(10),
904	>	new SimpleThreadFactory(),
905	>	new NoOpREHandler());
906	>	shouldThrow();
907	>	} catch (IllegalArgumentException success) {}
908	>	}
909	>
910	>	/**
911	>	* Constructor throws if maximumPoolSize is equal to zero
912	>	*/
913	>	public void testConstructor18() {
914	>	try {
915	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
916	>	new ArrayBlockingQueue<Runnable>(10),
917	>	new SimpleThreadFactory(),
918	>	new NoOpREHandler());
919	>	shouldThrow();
920	>	} catch (IllegalArgumentException success) {}
921	>	}
922	>
923	>	/**
924	>	* Constructor throws if keepAliveTime is less than zero
925	>	*/
926	>	public void testConstructor19() {
927	>	try {
928	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
929	>	new ArrayBlockingQueue<Runnable>(10),
930	>	new SimpleThreadFactory(),
931	>	new NoOpREHandler());
932	>	shouldThrow();
933	>	} catch (IllegalArgumentException success) {}
934	>	}
935	>
936	>	/**
937	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
938	>	*/
939	>	public void testConstructor20() {
940	>	try {
941	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
942	>	new ArrayBlockingQueue<Runnable>(10),
943	>	new SimpleThreadFactory(),
944	>	new NoOpREHandler());
945	>	shouldThrow();
946	>	} catch (IllegalArgumentException success) {}
947	>	}
948	>
949	>	/**
950	>	* Constructor throws if workQueue is null
951	>	*/
952	>	public void testConstructorNullPointerException6() {
953	>	try {
954	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
955	>	(BlockingQueue) null,
956	>	new SimpleThreadFactory(),
957	>	new NoOpREHandler());
958	>	shouldThrow();
959	>	} catch (NullPointerException success) {}
960	>	}
961	>
962	>	/**
963	>	* Constructor throws if handler is null
964	>	*/
965	>	public void testConstructorNullPointerException7() {
966	>	try {
967	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
968	>	new ArrayBlockingQueue<Runnable>(10),
969	>	new SimpleThreadFactory(),
970	>	(RejectedExecutionHandler) null);
971	>	shouldThrow();
972	>	} catch (NullPointerException success) {}
973	>	}
974	>
975	>	/**
976	>	* Constructor throws if ThreadFactory is null
977	>	*/
978	>	public void testConstructorNullPointerException8() {
979	>	try {
980	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
981	>	new ArrayBlockingQueue<Runnable>(10),
982	>	(ThreadFactory) null,
983	>	new NoOpREHandler());
984	>	shouldThrow();
985	>	} catch (NullPointerException success) {}
986	>	}
987	>
988	>	/**
989	>	* get of submitted callable throws InterruptedException if interrupted
990	>	*/
991	>	public void testInterruptedSubmit() throws InterruptedException {
992	>	final ThreadPoolExecutor p =
993	>	new ThreadPoolExecutor(1, 1,
994	>	60, SECONDS,
995	>	new ArrayBlockingQueue<Runnable>(10));
996	>
997	>	final CountDownLatch threadStarted = new CountDownLatch(1);
998	>	final CountDownLatch done = new CountDownLatch(1);
999	>	try {
1000	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1001	>	public void realRun() throws Exception {
1002	>	Callable task = new CheckedCallable<Boolean>() {
1003	>	public Boolean realCall() throws InterruptedException {
1004	>	threadStarted.countDown();
1005	>	done.await();
1006	>	return Boolean.TRUE;
1007	>	}};
1008	>	p.submit(task).get();
1009	>	}});
1010	>
1011	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1012	>	t.interrupt();
1013	>	awaitTermination(t, MEDIUM_DELAY_MS);
1014	>	} finally {
1015	>	done.countDown();
1016	>	joinPool(p);
1017		}
366	–	catch (IllegalArgumentException i10){}
1018		}
1019
1020	<	//---- Tests if workQueue is set to null
1021	<	public void testNullPointerException2() {
1022	<	try{
1023	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1024	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1020	>	/**
1021	>	* execute throws RejectedExecutionException if saturated.
1022	>	*/
1023	>	public void testSaturatedExecute() {
1024	>	ThreadPoolExecutor p =
1025	>	new ThreadPoolExecutor(1, 1,
1026	>	LONG_DELAY_MS, MILLISECONDS,
1027	>	new ArrayBlockingQueue<Runnable>(1));
1028	>	final CountDownLatch done = new CountDownLatch(1);
1029	>	try {
1030	>	Runnable task = new CheckedRunnable() {
1031	>	public void realRun() throws InterruptedException {
1032	>	done.await();
1033	>	}};
1034	>	for (int i = 0; i < 2; ++i)
1035	>	p.execute(task);
1036	>	for (int i = 0; i < 2; ++i) {
1037	>	try {
1038	>	p.execute(task);
1039	>	shouldThrow();
1040	>	} catch (RejectedExecutionException success) {}
1041	>	assertTrue(p.getTaskCount() <= 2);
1042	>	}
1043	>	} finally {
1044	>	done.countDown();
1045	>	joinPool(p);
1046		}
375	–	catch (NullPointerException n2){}
1047		}
1048
1049	<	//---- Tests if threadFactory is set to null
1050	<	public void testNullPointerException3() {
1051	<	try{
1052	<	ThreadFactory f = null;
1053	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1054	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1049	>	/**
1050	>	* submit(runnable) throws RejectedExecutionException if saturated.
1051	>	*/
1052	>	public void testSaturatedSubmitRunnable() {
1053	>	ThreadPoolExecutor p =
1054	>	new ThreadPoolExecutor(1, 1,
1055	>	LONG_DELAY_MS, MILLISECONDS,
1056	>	new ArrayBlockingQueue<Runnable>(1));
1057	>	final CountDownLatch done = new CountDownLatch(1);
1058	>	try {
1059	>	Runnable task = new CheckedRunnable() {
1060	>	public void realRun() throws InterruptedException {
1061	>	done.await();
1062	>	}};
1063	>	for (int i = 0; i < 2; ++i)
1064	>	p.submit(task);
1065	>	for (int i = 0; i < 2; ++i) {
1066	>	try {
1067	>	p.execute(task);
1068	>	shouldThrow();
1069	>	} catch (RejectedExecutionException success) {}
1070	>	assertTrue(p.getTaskCount() <= 2);
1071	>	}
1072	>	} finally {
1073	>	done.countDown();
1074	>	joinPool(p);
1075		}
385	–	catch (NullPointerException n3){}
1076		}
1077	<
1078	<
1079	<	//---- Tests if corePoolSize argument is less than zero
1080	<	public void testConstructor11() {
1081	<	try{
1082	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1083	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1077	>
1078	>	/**
1079	>	* submit(callable) throws RejectedExecutionException if saturated.
1080	>	*/
1081	>	public void testSaturatedSubmitCallable() {
1082	>	ThreadPoolExecutor p =
1083	>	new ThreadPoolExecutor(1, 1,
1084	>	LONG_DELAY_MS, MILLISECONDS,
1085	>	new ArrayBlockingQueue<Runnable>(1));
1086	>	final CountDownLatch done = new CountDownLatch(1);
1087	>	try {
1088	>	Runnable task = new CheckedRunnable() {
1089	>	public void realRun() throws InterruptedException {
1090	>	done.await();
1091	>	}};
1092	>	for (int i = 0; i < 2; ++i)
1093	>	p.submit(Executors.callable(task));
1094	>	for (int i = 0; i < 2; ++i) {
1095	>	try {
1096	>	p.execute(task);
1097	>	shouldThrow();
1098	>	} catch (RejectedExecutionException success) {}
1099	>	assertTrue(p.getTaskCount() <= 2);
1100	>	}
1101	>	} finally {
1102	>	done.countDown();
1103	>	joinPool(p);
1104		}
395	–	catch (IllegalArgumentException i11){}
1105		}
1106
1107	<	//---- Tests if maximumPoolSize is less than zero
1108	<	public void testConstructor12() {
1109	<	try{
1110	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1111	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1107	>	/**
1108	>	* executor using CallerRunsPolicy runs task if saturated.
1109	>	*/
1110	>	public void testSaturatedExecute2() {
1111	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1112	>	final ThreadPoolExecutor p =
1113	>	new ThreadPoolExecutor(1, 1,
1114	>	LONG_DELAY_MS,
1115	>	MILLISECONDS,
1116	>	new ArrayBlockingQueue<Runnable>(1),
1117	>	h);
1118	>	try {
1119	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1120	>	for (int i = 0; i < tasks.length; ++i)
1121	>	tasks[i] = new TrackedNoOpRunnable();
1122	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1123	>	p.execute(mr);
1124	>	for (int i = 0; i < tasks.length; ++i)
1125	>	p.execute(tasks[i]);
1126	>	for (int i = 1; i < tasks.length; ++i)
1127	>	assertTrue(tasks[i].done);
1128	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1129	>	} finally {
1130	>	joinPool(p);
1131		}
404	–	catch (IllegalArgumentException i12){}
1132		}
1133
1134	<	//---- Tests if maximumPoolSize is equal to zero
1135	<	public void testConstructor13() {
1136	<	try{
1137	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1138	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1134	>	/**
1135	>	* executor using DiscardPolicy drops task if saturated.
1136	>	*/
1137	>	public void testSaturatedExecute3() {
1138	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1139	>	final ThreadPoolExecutor p =
1140	>	new ThreadPoolExecutor(1, 1,
1141	>	LONG_DELAY_MS, MILLISECONDS,
1142	>	new ArrayBlockingQueue<Runnable>(1),
1143	>	h);
1144	>	try {
1145	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1146	>	for (int i = 0; i < tasks.length; ++i)
1147	>	tasks[i] = new TrackedNoOpRunnable();
1148	>	p.execute(new TrackedLongRunnable());
1149	>	for (TrackedNoOpRunnable task : tasks)
1150	>	p.execute(task);
1151	>	for (TrackedNoOpRunnable task : tasks)
1152	>	assertFalse(task.done);
1153	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1154	>	} finally {
1155	>	joinPool(p);
1156		}
413	–	catch (IllegalArgumentException i13){}
1157		}
1158
1159	<	//---- Tests if keepAliveTime is less than zero
1160	<	public void testConstructor14() {
1161	<	try{
1162	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1163	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1159	>	/**
1160	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1161	>	*/
1162	>	public void testSaturatedExecute4() {
1163	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1164	>	final ThreadPoolExecutor p =
1165	>	new ThreadPoolExecutor(1, 1,
1166	>	LONG_DELAY_MS, MILLISECONDS,
1167	>	new ArrayBlockingQueue<Runnable>(1),
1168	>	h);
1169	>	try {
1170	>	p.execute(new TrackedLongRunnable());
1171	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1172	>	p.execute(r2);
1173	>	assertTrue(p.getQueue().contains(r2));
1174	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1175	>	p.execute(r3);
1176	>	assertFalse(p.getQueue().contains(r2));
1177	>	assertTrue(p.getQueue().contains(r3));
1178	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1179	>	} finally {
1180	>	joinPool(p);
1181		}
422	–	catch (IllegalArgumentException i14){}
1182		}
1183
1184	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1185	<	public void testConstructor15() {
1186	<	try{
1187	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1188	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1184	>	/**
1185	>	* execute throws RejectedExecutionException if shutdown
1186	>	*/
1187	>	public void testRejectedExecutionExceptionOnShutdown() {
1188	>	ThreadPoolExecutor p =
1189	>	new ThreadPoolExecutor(1, 1,
1190	>	LONG_DELAY_MS, MILLISECONDS,
1191	>	new ArrayBlockingQueue<Runnable>(1));
1192	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1193	>	try {
1194	>	p.execute(new NoOpRunnable());
1195	>	shouldThrow();
1196	>	} catch (RejectedExecutionException success) {}
1197	>
1198	>	joinPool(p);
1199	>	}
1200	>
1201	>	/**
1202	>	* execute using CallerRunsPolicy drops task on shutdown
1203	>	*/
1204	>	public void testCallerRunsOnShutdown() {
1205	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1206	>	final ThreadPoolExecutor p =
1207	>	new ThreadPoolExecutor(1, 1,
1208	>	LONG_DELAY_MS, MILLISECONDS,
1209	>	new ArrayBlockingQueue<Runnable>(1), h);
1210	>
1211	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1212	>	try {
1213	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1214	>	p.execute(r);
1215	>	assertFalse(r.done);
1216	>	} finally {
1217	>	joinPool(p);
1218		}
431	–	catch (IllegalArgumentException i15){}
1219		}
1220
1221	<	//---- Tests if workQueue is set to null
1222	<	public void testNullPointerException4() {
1223	<	try{
1224	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1225	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1221	>	/**
1222	>	* execute using DiscardPolicy drops task on shutdown
1223	>	*/
1224	>	public void testDiscardOnShutdown() {
1225	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1226	>	ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(1, 1,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(1),
1230	>	h);
1231	>
1232	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1233	>	try {
1234	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1235	>	p.execute(r);
1236	>	assertFalse(r.done);
1237	>	} finally {
1238	>	joinPool(p);
1239		}
440	–	catch (NullPointerException n4){}
1240		}
1241
1242	<	//---- Tests if handler is set to null
1243	<	public void testNullPointerException5() {
1244	<	try{
1245	<	RejectedExecutionHandler r = null;
1246	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1247	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1242	>	/**
1243	>	* execute using DiscardOldestPolicy drops task on shutdown
1244	>	*/
1245	>	public void testDiscardOldestOnShutdown() {
1246	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1247	>	ThreadPoolExecutor p =
1248	>	new ThreadPoolExecutor(1, 1,
1249	>	LONG_DELAY_MS, MILLISECONDS,
1250	>	new ArrayBlockingQueue<Runnable>(1),
1251	>	h);
1252	>
1253	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1254	>	try {
1255	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1256	>	p.execute(r);
1257	>	assertFalse(r.done);
1258	>	} finally {
1259	>	joinPool(p);
1260		}
450	–	catch (NullPointerException n5){}
1261		}
1262
1263	<
1264	<	//---- Tests if corePoolSize argument is less than zero
1265	<	public void testConstructor16() {
1266	<	try{
1267	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1268	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1263	>	/**
1264	>	* execute(null) throws NPE
1265	>	*/
1266	>	public void testExecuteNull() {
1267	>	ThreadPoolExecutor p =
1268	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
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 i16){}
1293	>	joinPool(p);
1294		}
1295
1296	<	//---- Tests if maximumPoolSize is less than zero
1297	<	public void testConstructor17() {
1298	<	try{
1299	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
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 i17){}
1312	>	joinPool(p);
1313		}
1314
1315	<	//---- Tests if maximumPoolSize is equal to zero
1316	<	public void testConstructor18() {
1317	<	try{
1318	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
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 i18){}
1331	>	joinPool(p);
1332		}
1333
1334	<	//---- Tests 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 testThread(),new testReject());
1338	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1334	>	/**
1335	>	* Configuration changes that allow core pool size greater than
1336	>	* max pool size result in IllegalArgumentException.
1337	>	*/
1338	>	public void testPoolSizeInvariants() {
1339	>	ThreadPoolExecutor p =
1340	>	new ThreadPoolExecutor(1, 1,
1341	>	LONG_DELAY_MS, MILLISECONDS,
1342	>	new ArrayBlockingQueue<Runnable>(10));
1343	>	for (int s = 1; s < 5; s++) {
1344	>	p.setMaximumPoolSize(s);
1345	>	p.setCorePoolSize(s);
1346	>	try {
1347	>	p.setMaximumPoolSize(s - 1);
1348	>	shouldThrow();
1349	>	} catch (IllegalArgumentException success) {}
1350	>	assertEquals(s, p.getCorePoolSize());
1351	>	assertEquals(s, p.getMaximumPoolSize());
1352	>	try {
1353	>	p.setCorePoolSize(s + 1);
1354	>	shouldThrow();
1355	>	} catch (IllegalArgumentException success) {}
1356	>	assertEquals(s, p.getCorePoolSize());
1357	>	assertEquals(s, p.getMaximumPoolSize());
1358		}
1359	<	catch (IllegalArgumentException i19){}
1359	>	joinPool(p);
1360		}
1361
1362	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1363	<	public void testConstructor20() {
1364	<	try{
1365	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1366	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1362	>	/**
1363	>	* setKeepAliveTime throws IllegalArgumentException
1364	>	* when given a negative value
1365	>	*/
1366	>	public void testKeepAliveTimeIllegalArgumentException() {
1367	>	ThreadPoolExecutor p =
1368	>	new ThreadPoolExecutor(2, 3,
1369	>	LONG_DELAY_MS, MILLISECONDS,
1370	>	new ArrayBlockingQueue<Runnable>(10));
1371	>	try {
1372	>	p.setKeepAliveTime(-1,MILLISECONDS);
1373	>	shouldThrow();
1374	>	} catch (IllegalArgumentException success) {
1375	>	} finally {
1376	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1377	>	}
1378	>	joinPool(p);
1379	>	}
1380	>
1381	>	/**
1382	>	* terminated() is called on termination
1383	>	*/
1384	>	public void testTerminated() {
1385	>	ExtendedTPE p = new ExtendedTPE();
1386	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1387	>	assertTrue(p.terminatedCalled());
1388	>	joinPool(p);
1389	>	}
1390	>
1391	>	/**
1392	>	* beforeExecute and afterExecute are called when executing task
1393	>	*/
1394	>	public void testBeforeAfter() throws InterruptedException {
1395	>	ExtendedTPE p = new ExtendedTPE();
1396	>	try {
1397	>	final CountDownLatch done = new CountDownLatch(1);
1398	>	p.execute(new CheckedRunnable() {
1399	>	public void realRun() {
1400	>	done.countDown();
1401	>	}});
1402	>	await(p.afterCalled);
1403	>	assertEquals(0, done.getCount());
1404	>	assertTrue(p.afterCalled());
1405	>	assertTrue(p.beforeCalled());
1406	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1407	>	} finally {
1408	>	joinPool(p);
1409	>	}
1410	>	}
1411	>
1412	>	/**
1413	>	* completed submit of callable returns result
1414	>	*/
1415	>	public void testSubmitCallable() throws Exception {
1416	>	ExecutorService e =
1417	>	new ThreadPoolExecutor(2, 2,
1418	>	LONG_DELAY_MS, MILLISECONDS,
1419	>	new ArrayBlockingQueue<Runnable>(10));
1420	>	try {
1421	>	Future<String> future = e.submit(new StringTask());
1422	>	String result = future.get();
1423	>	assertSame(TEST_STRING, result);
1424	>	} finally {
1425	>	joinPool(e);
1426	>	}
1427	>	}
1428	>
1429	>	/**
1430	>	* completed submit of runnable returns successfully
1431	>	*/
1432	>	public void testSubmitRunnable() throws Exception {
1433	>	ExecutorService e =
1434	>	new ThreadPoolExecutor(2, 2,
1435	>	LONG_DELAY_MS, MILLISECONDS,
1436	>	new ArrayBlockingQueue<Runnable>(10));
1437	>	try {
1438	>	Future<?> future = e.submit(new NoOpRunnable());
1439	>	future.get();
1440	>	assertTrue(future.isDone());
1441	>	} finally {
1442	>	joinPool(e);
1443	>	}
1444	>	}
1445	>
1446	>	/**
1447	>	* completed submit of (runnable, result) returns result
1448	>	*/
1449	>	public void testSubmitRunnable2() throws Exception {
1450	>	ExecutorService e =
1451	>	new ThreadPoolExecutor(2, 2,
1452	>	LONG_DELAY_MS, MILLISECONDS,
1453	>	new ArrayBlockingQueue<Runnable>(10));
1454	>	try {
1455	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1456	>	String result = future.get();
1457	>	assertSame(TEST_STRING, result);
1458	>	} finally {
1459	>	joinPool(e);
1460	>	}
1461	>	}
1462	>
1463	>	/**
1464	>	* invokeAny(null) throws NPE
1465	>	*/
1466	>	public void testInvokeAny1() throws Exception {
1467	>	ExecutorService e =
1468	>	new ThreadPoolExecutor(2, 2,
1469	>	LONG_DELAY_MS, MILLISECONDS,
1470	>	new ArrayBlockingQueue<Runnable>(10));
1471	>	try {
1472	>	e.invokeAny(null);
1473	>	shouldThrow();
1474	>	} catch (NullPointerException success) {
1475	>	} finally {
1476	>	joinPool(e);
1477	>	}
1478	>	}
1479	>
1480	>	/**
1481	>	* invokeAny(empty collection) throws IAE
1482	>	*/
1483	>	public void testInvokeAny2() throws Exception {
1484	>	ExecutorService e =
1485	>	new ThreadPoolExecutor(2, 2,
1486	>	LONG_DELAY_MS, MILLISECONDS,
1487	>	new ArrayBlockingQueue<Runnable>(10));
1488	>	try {
1489	>	e.invokeAny(new ArrayList<Callable<String>>());
1490	>	shouldThrow();
1491	>	} catch (IllegalArgumentException success) {
1492	>	} finally {
1493	>	joinPool(e);
1494		}
496	–	catch (IllegalArgumentException i20){}
1495		}
1496
1497	<	//---- Tests if workQueue is set to null
1498	<	public void testNullPointerException6() {
1499	<	try{
1500	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1501	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1497	>	/**
1498	>	* invokeAny(c) throws NPE if c has null elements
1499	>	*/
1500	>	public void testInvokeAny3() throws Exception {
1501	>	final CountDownLatch latch = new CountDownLatch(1);
1502	>	final ExecutorService e =
1503	>	new ThreadPoolExecutor(2, 2,
1504	>	LONG_DELAY_MS, MILLISECONDS,
1505	>	new ArrayBlockingQueue<Runnable>(10));
1506	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1507	>	l.add(latchAwaitingStringTask(latch));
1508	>	l.add(null);
1509	>	try {
1510	>	e.invokeAny(l);
1511	>	shouldThrow();
1512	>	} catch (NullPointerException success) {
1513	>	} finally {
1514	>	latch.countDown();
1515	>	joinPool(e);
1516		}
505	–	catch (NullPointerException n6){}
1517		}
1518
1519	<	//---- Tests if handler is set to null
1520	<	public void testNullPointerException7() {
1521	<	try{
1522	<	RejectedExecutionHandler r = null;
1523	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1524	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1519	>	/**
1520	>	* invokeAny(c) throws ExecutionException if no task completes
1521	>	*/
1522	>	public void testInvokeAny4() throws Exception {
1523	>	ExecutorService e =
1524	>	new ThreadPoolExecutor(2, 2,
1525	>	LONG_DELAY_MS, MILLISECONDS,
1526	>	new ArrayBlockingQueue<Runnable>(10));
1527	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1528	>	l.add(new NPETask());
1529	>	try {
1530	>	e.invokeAny(l);
1531	>	shouldThrow();
1532	>	} catch (ExecutionException success) {
1533	>	assertTrue(success.getCause() instanceof NullPointerException);
1534	>	} finally {
1535	>	joinPool(e);
1536		}
515	–	catch (NullPointerException n7){}
1537		}
1538
1539	<	//---- Tests if ThradFactory is set top null
1540	<	public void testNullPointerException8() {
1541	<	try{
1542	<	ThreadFactory f = null;
1543	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1544	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1539	>	/**
1540	>	* invokeAny(c) returns result of some task
1541	>	*/
1542	>	public void testInvokeAny5() throws Exception {
1543	>	ExecutorService e =
1544	>	new ThreadPoolExecutor(2, 2,
1545	>	LONG_DELAY_MS, MILLISECONDS,
1546	>	new ArrayBlockingQueue<Runnable>(10));
1547	>	try {
1548	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1549	>	l.add(new StringTask());
1550	>	l.add(new StringTask());
1551	>	String result = e.invokeAny(l);
1552	>	assertSame(TEST_STRING, result);
1553	>	} finally {
1554	>	joinPool(e);
1555		}
525	–	catch (NullPointerException n8){}
1556		}
527	–
1557
1558		/**
1559	<	*  Test to verify execute will throw RejectedExcutionException
531	<	*  ThreadPoolExecutor will throw one when more runnables are
532	<	*  executed then will fit in the Queue.
1559	>	* invokeAll(null) throws NPE
1560		*/
1561	<	public void testRejectedExecutedException(){
1562	<	ThreadPoolExecutor tpe = null;
1563	<	try{
1564	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1565	<	}catch(Exception e){}
1566	<	tpe.shutdown();
1567	<	try{
1568	<	tpe.execute(new Runnable(){
1569	<	public void run(){
1570	<	try{
1571	<	Thread.sleep(1000);
1572	<	}catch(InterruptedException e){}
546	<	}
547	<	});
548	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	<	}catch(RejectedExecutionException sucess){}
550	<
551	<
1561	>	public void testInvokeAll1() throws Exception {
1562	>	ExecutorService e =
1563	>	new ThreadPoolExecutor(2, 2,
1564	>	LONG_DELAY_MS, MILLISECONDS,
1565	>	new ArrayBlockingQueue<Runnable>(10));
1566	>	try {
1567	>	e.invokeAll(null);
1568	>	shouldThrow();
1569	>	} catch (NullPointerException success) {
1570	>	} finally {
1571	>	joinPool(e);
1572	>	}
1573		}
1574	<
1574	>
1575		/**
1576	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	<	*  when given a negative
1576	>	* invokeAll(empty collection) returns empty collection
1577		*/
1578	<	public void testIllegalArgumentException1(){
1579	<	ThreadPoolExecutor tpe = null;
1580	<	try{
1581	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1582	<	}catch(Exception e){}
1583	<	try{
1584	<	tpe.setCorePoolSize(-1);
1585	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
566	<	}catch(IllegalArgumentException sucess){
1578	>	public void testInvokeAll2() throws InterruptedException {
1579	>	ExecutorService e =
1580	>	new ThreadPoolExecutor(2, 2,
1581	>	LONG_DELAY_MS, MILLISECONDS,
1582	>	new ArrayBlockingQueue<Runnable>(10));
1583	>	try {
1584	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1585	>	assertTrue(r.isEmpty());
1586		} finally {
1587	<	tpe.shutdown();
1587	>	joinPool(e);
1588		}
1589	<	}
1589	>	}
1590
572	–
1591		/**
1592	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1593	<	*  if given a value less the it's actual core pool size
1594	<	*/
1595	<	public void testIllegalArgumentException2(){
1596	<	ThreadPoolExecutor tpe = null;
1597	<	try{
1598	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1599	<	}catch(Exception e){}
1600	<	try{
1601	<	tpe.setMaximumPoolSize(1);
1602	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1603	<	}catch(IllegalArgumentException sucess){
1592	>	* invokeAll(c) throws NPE if c has null elements
1593	>	*/
1594	>	public void testInvokeAll3() throws Exception {
1595	>	ExecutorService e =
1596	>	new ThreadPoolExecutor(2, 2,
1597	>	LONG_DELAY_MS, MILLISECONDS,
1598	>	new ArrayBlockingQueue<Runnable>(10));
1599	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1600	>	l.add(new StringTask());
1601	>	l.add(null);
1602	>	try {
1603	>	e.invokeAll(l);
1604	>	shouldThrow();
1605	>	} catch (NullPointerException success) {
1606		} finally {
1607	<	tpe.shutdown();
1607	>	joinPool(e);
1608		}
1609		}
1610	<
1610	>
1611		/**
1612	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	<	*  if given a negative number
1612	>	* get of element of invokeAll(c) throws exception on failed task
1613		*/
1614	<	public void testIllegalArgumentException2SP(){
1615	<	ThreadPoolExecutor tpe = null;
1616	<	try{
1617	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1618	<	}catch(Exception e){}
1619	<	try{
1620	<	tpe.setMaximumPoolSize(-1);
1621	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1622	<	}catch(IllegalArgumentException sucess){
1614	>	public void testInvokeAll4() throws Exception {
1615	>	ExecutorService e =
1616	>	new ThreadPoolExecutor(2, 2,
1617	>	LONG_DELAY_MS, MILLISECONDS,
1618	>	new ArrayBlockingQueue<Runnable>(10));
1619	>	try {
1620	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1621	>	l.add(new NPETask());
1622	>	List<Future<String>> futures = e.invokeAll(l);
1623	>	assertEquals(1, futures.size());
1624	>	try {
1625	>	futures.get(0).get();
1626	>	shouldThrow();
1627	>	} catch (ExecutionException success) {
1628	>	assertTrue(success.getCause() instanceof NullPointerException);
1629	>	}
1630		} finally {
1631	<	tpe.shutdown();
1631	>	joinPool(e);
1632		}
1633		}
608	–
1634
1635		/**
1636	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	<	*  when given a negative value
1636	>	* invokeAll(c) returns results of all completed tasks
1637		*/
1638	<	public void testIllegalArgumentException3(){
1639	<	ThreadPoolExecutor tpe = null;
1640	<	try{
1641	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1642	<	}catch(Exception e){}
1643	<
1644	<	try{
1645	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1646	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1647	<	}catch(IllegalArgumentException sucess){
1638	>	public void testInvokeAll5() throws Exception {
1639	>	ExecutorService e =
1640	>	new ThreadPoolExecutor(2, 2,
1641	>	LONG_DELAY_MS, MILLISECONDS,
1642	>	new ArrayBlockingQueue<Runnable>(10));
1643	>	try {
1644	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1645	>	l.add(new StringTask());
1646	>	l.add(new StringTask());
1647	>	List<Future<String>> futures = e.invokeAll(l);
1648	>	assertEquals(2, futures.size());
1649	>	for (Future<String> future : futures)
1650	>	assertSame(TEST_STRING, future.get());
1651		} finally {
1652	<	tpe.shutdown();
1652	>	joinPool(e);
1653		}
1654		}
1655	<
1656	<
1657	<
1655	>
1656	>	/**
1657	>	* timed invokeAny(null) throws NPE
1658	>	*/
1659	>	public void testTimedInvokeAny1() throws Exception {
1660	>	ExecutorService e =
1661	>	new ThreadPoolExecutor(2, 2,
1662	>	LONG_DELAY_MS, MILLISECONDS,
1663	>	new ArrayBlockingQueue<Runnable>(10));
1664	>	try {
1665	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1666	>	shouldThrow();
1667	>	} catch (NullPointerException success) {
1668	>	} finally {
1669	>	joinPool(e);
1670	>	}
1671	>	}
1672	>
1673	>	/**
1674	>	* timed invokeAny(,,null) throws NPE
1675	>	*/
1676	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1677	>	ExecutorService e =
1678	>	new ThreadPoolExecutor(2, 2,
1679	>	LONG_DELAY_MS, MILLISECONDS,
1680	>	new ArrayBlockingQueue<Runnable>(10));
1681	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1682	>	l.add(new StringTask());
1683	>	try {
1684	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1685	>	shouldThrow();
1686	>	} catch (NullPointerException success) {
1687	>	} finally {
1688	>	joinPool(e);
1689	>	}
1690	>	}
1691	>
1692	>	/**
1693	>	* timed invokeAny(empty collection) throws IAE
1694	>	*/
1695	>	public void testTimedInvokeAny2() throws Exception {
1696	>	ExecutorService e =
1697	>	new ThreadPoolExecutor(2, 2,
1698	>	LONG_DELAY_MS, MILLISECONDS,
1699	>	new ArrayBlockingQueue<Runnable>(10));
1700	>	try {
1701	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1702	>	shouldThrow();
1703	>	} catch (IllegalArgumentException success) {
1704	>	} finally {
1705	>	joinPool(e);
1706	>	}
1707	>	}
1708	>
1709	>	/**
1710	>	* timed invokeAny(c) throws NPE if c has null elements
1711	>	*/
1712	>	public void testTimedInvokeAny3() throws Exception {
1713	>	final CountDownLatch latch = new CountDownLatch(1);
1714	>	final ExecutorService e =
1715	>	new ThreadPoolExecutor(2, 2,
1716	>	LONG_DELAY_MS, MILLISECONDS,
1717	>	new ArrayBlockingQueue<Runnable>(10));
1718	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1719	>	l.add(latchAwaitingStringTask(latch));
1720	>	l.add(null);
1721	>	try {
1722	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1723	>	shouldThrow();
1724	>	} catch (NullPointerException success) {
1725	>	} finally {
1726	>	latch.countDown();
1727	>	joinPool(e);
1728	>	}
1729	>	}
1730	>
1731	>	/**
1732	>	* timed invokeAny(c) throws ExecutionException if no task completes
1733	>	*/
1734	>	public void testTimedInvokeAny4() throws Exception {
1735	>	ExecutorService e =
1736	>	new ThreadPoolExecutor(2, 2,
1737	>	LONG_DELAY_MS, MILLISECONDS,
1738	>	new ArrayBlockingQueue<Runnable>(10));
1739	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1740	>	l.add(new NPETask());
1741	>	try {
1742	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1743	>	shouldThrow();
1744	>	} catch (ExecutionException success) {
1745	>	assertTrue(success.getCause() instanceof NullPointerException);
1746	>	} finally {
1747	>	joinPool(e);
1748	>	}
1749	>	}
1750	>
1751	>	/**
1752	>	* timed invokeAny(c) returns result of some task
1753	>	*/
1754	>	public void testTimedInvokeAny5() throws Exception {
1755	>	ExecutorService e =
1756	>	new ThreadPoolExecutor(2, 2,
1757	>	LONG_DELAY_MS, MILLISECONDS,
1758	>	new ArrayBlockingQueue<Runnable>(10));
1759	>	try {
1760	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1761	>	l.add(new StringTask());
1762	>	l.add(new StringTask());
1763	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1764	>	assertSame(TEST_STRING, result);
1765	>	} finally {
1766	>	joinPool(e);
1767	>	}
1768	>	}
1769	>
1770	>	/**
1771	>	* timed invokeAll(null) throws NPE
1772	>	*/
1773	>	public void testTimedInvokeAll1() throws Exception {
1774	>	ExecutorService e =
1775	>	new ThreadPoolExecutor(2, 2,
1776	>	LONG_DELAY_MS, MILLISECONDS,
1777	>	new ArrayBlockingQueue<Runnable>(10));
1778	>	try {
1779	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1780	>	shouldThrow();
1781	>	} catch (NullPointerException success) {
1782	>	} finally {
1783	>	joinPool(e);
1784	>	}
1785	>	}
1786	>
1787	>	/**
1788	>	* timed invokeAll(,,null) throws NPE
1789	>	*/
1790	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1791	>	ExecutorService e =
1792	>	new ThreadPoolExecutor(2, 2,
1793	>	LONG_DELAY_MS, MILLISECONDS,
1794	>	new ArrayBlockingQueue<Runnable>(10));
1795	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1796	>	l.add(new StringTask());
1797	>	try {
1798	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1799	>	shouldThrow();
1800	>	} catch (NullPointerException success) {
1801	>	} finally {
1802	>	joinPool(e);
1803	>	}
1804	>	}
1805	>
1806	>	/**
1807	>	* timed invokeAll(empty collection) returns empty collection
1808	>	*/
1809	>	public void testTimedInvokeAll2() throws InterruptedException {
1810	>	ExecutorService e =
1811	>	new ThreadPoolExecutor(2, 2,
1812	>	LONG_DELAY_MS, MILLISECONDS,
1813	>	new ArrayBlockingQueue<Runnable>(10));
1814	>	try {
1815	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1816	>	assertTrue(r.isEmpty());
1817	>	} finally {
1818	>	joinPool(e);
1819	>	}
1820	>	}
1821	>
1822	>	/**
1823	>	* timed invokeAll(c) throws NPE if c has null elements
1824	>	*/
1825	>	public void testTimedInvokeAll3() throws Exception {
1826	>	ExecutorService e =
1827	>	new ThreadPoolExecutor(2, 2,
1828	>	LONG_DELAY_MS, MILLISECONDS,
1829	>	new ArrayBlockingQueue<Runnable>(10));
1830	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1831	>	l.add(new StringTask());
1832	>	l.add(null);
1833	>	try {
1834	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1835	>	shouldThrow();
1836	>	} catch (NullPointerException success) {
1837	>	} finally {
1838	>	joinPool(e);
1839	>	}
1840	>	}
1841	>
1842	>	/**
1843	>	* get of element of invokeAll(c) throws exception on failed task
1844	>	*/
1845	>	public void testTimedInvokeAll4() throws Exception {
1846	>	ExecutorService e =
1847	>	new ThreadPoolExecutor(2, 2,
1848	>	LONG_DELAY_MS, MILLISECONDS,
1849	>	new ArrayBlockingQueue<Runnable>(10));
1850	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1851	>	l.add(new NPETask());
1852	>	List<Future<String>> futures =
1853	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1854	>	assertEquals(1, futures.size());
1855	>	try {
1856	>	futures.get(0).get();
1857	>	shouldThrow();
1858	>	} catch (ExecutionException success) {
1859	>	assertTrue(success.getCause() instanceof NullPointerException);
1860	>	} finally {
1861	>	joinPool(e);
1862	>	}
1863	>	}
1864	>
1865	>	/**
1866	>	* timed invokeAll(c) returns results of all completed tasks
1867	>	*/
1868	>	public void testTimedInvokeAll5() throws Exception {
1869	>	ExecutorService e =
1870	>	new ThreadPoolExecutor(2, 2,
1871	>	LONG_DELAY_MS, MILLISECONDS,
1872	>	new ArrayBlockingQueue<Runnable>(10));
1873	>	try {
1874	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1875	>	l.add(new StringTask());
1876	>	l.add(new StringTask());
1877	>	List<Future<String>> futures =
1878	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1879	>	assertEquals(2, futures.size());
1880	>	for (Future<String> future : futures)
1881	>	assertSame(TEST_STRING, future.get());
1882	>	} finally {
1883	>	joinPool(e);
1884	>	}
1885	>	}
1886	>
1887	>	/**
1888	>	* timed invokeAll(c) cancels tasks not completed by timeout
1889	>	*/
1890	>	public void testTimedInvokeAll6() throws Exception {
1891	>	ExecutorService e =
1892	>	new ThreadPoolExecutor(2, 2,
1893	>	LONG_DELAY_MS, MILLISECONDS,
1894	>	new ArrayBlockingQueue<Runnable>(10));
1895	>	try {
1896	>	for (long timeout = timeoutMillis();;) {
1897	>	List<Callable<String>> tasks = new ArrayList<>();
1898	>	tasks.add(new StringTask());
1899	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1900	>	tasks.add(new StringTask());
1901	>	long startTime = System.nanoTime();
1902	>	List<Future<String>> futures =
1903	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1904	>	assertEquals(tasks.size(), futures.size());
1905	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1906	>	for (Future future : futures)
1907	>	assertTrue(future.isDone());
1908	>	assertTrue(futures.get(1).isCancelled());
1909	>	try {
1910	>	assertEquals(TEST_STRING, futures.get(0).get());
1911	>	assertEquals(TEST_STRING, futures.get(2).get());
1912	>	break;
1913	>	} catch (CancellationException retryWithLongerTimeout) {
1914	>	timeout *= 2;
1915	>	if (timeout >= LONG_DELAY_MS / 2)
1916	>	fail("expected exactly one task to be cancelled");
1917	>	}
1918	>	}
1919	>	} finally {
1920	>	joinPool(e);
1921	>	}
1922	>	}
1923	>
1924	>	/**
1925	>	* Execution continues if there is at least one thread even if
1926	>	* thread factory fails to create more
1927	>	*/
1928	>	public void testFailingThreadFactory() throws InterruptedException {
1929	>	final ExecutorService e =
1930	>	new ThreadPoolExecutor(100, 100,
1931	>	LONG_DELAY_MS, MILLISECONDS,
1932	>	new LinkedBlockingQueue<Runnable>(),
1933	>	new FailingThreadFactory());
1934	>	try {
1935	>	final int TASKS = 100;
1936	>	final CountDownLatch done = new CountDownLatch(TASKS);
1937	>	for (int k = 0; k < TASKS; ++k)
1938	>	e.execute(new CheckedRunnable() {
1939	>	public void realRun() {
1940	>	done.countDown();
1941	>	}});
1942	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1943	>	} finally {
1944	>	joinPool(e);
1945	>	}
1946	>	}
1947	>
1948	>	/**
1949	>	* allowsCoreThreadTimeOut is by default false.
1950	>	*/
1951	>	public void testAllowsCoreThreadTimeOut() {
1952	>	final ThreadPoolExecutor p =
1953	>	new ThreadPoolExecutor(2, 2,
1954	>	1000, MILLISECONDS,
1955	>	new ArrayBlockingQueue<Runnable>(10));
1956	>	assertFalse(p.allowsCoreThreadTimeOut());
1957	>	joinPool(p);
1958	>	}
1959	>
1960	>	/**
1961	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1962	>	*/
1963	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1964	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1965	>	final ThreadPoolExecutor p =
1966	>	new ThreadPoolExecutor(2, 10,
1967	>	coreThreadTimeOut, MILLISECONDS,
1968	>	new ArrayBlockingQueue<Runnable>(10));
1969	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1970	>	try {
1971	>	p.allowCoreThreadTimeOut(true);
1972	>	p.execute(new CheckedRunnable() {
1973	>	public void realRun() {
1974	>	threadStarted.countDown();
1975	>	assertEquals(1, p.getPoolSize());
1976	>	}});
1977	>	await(threadStarted);
1978	>	delay(coreThreadTimeOut);
1979	>	long startTime = System.nanoTime();
1980	>	while (p.getPoolSize() > 0
1981	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1982	>	Thread.yield();
1983	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1984	>	assertEquals(0, p.getPoolSize());
1985	>	} finally {
1986	>	joinPool(p);
1987	>	}
1988	>	}
1989	>
1990	>	/**
1991	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1992	>	*/
1993	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1994	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1995	>	final ThreadPoolExecutor p =
1996	>	new ThreadPoolExecutor(2, 10,
1997	>	coreThreadTimeOut, MILLISECONDS,
1998	>	new ArrayBlockingQueue<Runnable>(10));
1999	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2000	>	try {
2001	>	p.allowCoreThreadTimeOut(false);
2002	>	p.execute(new CheckedRunnable() {
2003	>	public void realRun() throws InterruptedException {
2004	>	threadStarted.countDown();
2005	>	assertTrue(p.getPoolSize() >= 1);
2006	>	}});
2007	>	delay(2 * coreThreadTimeOut);
2008	>	assertTrue(p.getPoolSize() >= 1);
2009	>	} finally {
2010	>	joinPool(p);
2011	>	}
2012	>	}
2013	>
2014	>	/**
2015	>	* execute allows the same task to be submitted multiple times, even
2016	>	* if rejected
2017	>	*/
2018	>	public void testRejectedRecycledTask() throws InterruptedException {
2019	>	final int nTasks = 1000;
2020	>	final CountDownLatch done = new CountDownLatch(nTasks);
2021	>	final Runnable recycledTask = new Runnable() {
2022	>	public void run() {
2023	>	done.countDown();
2024	>	}};
2025	>	final ThreadPoolExecutor p =
2026	>	new ThreadPoolExecutor(1, 30,
2027	>	60, SECONDS,
2028	>	new ArrayBlockingQueue(30));
2029	>	try {
2030	>	for (int i = 0; i < nTasks; ++i) {
2031	>	for (;;) {
2032	>	try {
2033	>	p.execute(recycledTask);
2034	>	break;
2035	>	}
2036	>	catch (RejectedExecutionException ignore) {}
2037	>	}
2038	>	}
2039	>	// enough time to run all tasks
2040	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2041	>	} finally {
2042	>	joinPool(p);
2043	>	}
2044	>	}
2045	>
2046		}

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