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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 1.77 by jsr166, Sun Oct 4 02:07:32 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
45	<	/**
46	<	* For use as ThreadFactory in constructors
47	<	*/
48	<	static class MyThreadFactory implements ThreadFactory{
49	<	public Thread newThread(Runnable r){
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78		return new Thread(r);
79	<	}
79	>	}
80		}
81
82		/**
83	<	* For use as RejectedExecutionHandler in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyREHandler implements RejectedExecutionHandler{
86	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() {
93	>	done.countDown();
94	>	}};
95	>	try {
96	>	p.execute(task);
97	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98	>	} finally {
99	>	joinPool(p);
100	>	}
101		}
102	<
102	>
103		/**
104	<	*   execute successfully executes a runnable
104	>	* getActiveCount increases but doesn't overestimate, when a
105	>	* thread becomes active
106		*/
107	<	public void testExecute(){
108	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
107	>	public void testGetActiveCount() throws InterruptedException {
108	>	final ThreadPoolExecutor p =
109	>	new ThreadPoolExecutor(2, 2,
110	>	LONG_DELAY_MS, MILLISECONDS,
111	>	new ArrayBlockingQueue<Runnable>(10));
112	>	final CountDownLatch threadStarted = new CountDownLatch(1);
113	>	final CountDownLatch done = new CountDownLatch(1);
114		try {
115	<	one.execute(new Runnable(){
116	<	public void run(){
117	<	try{
118	<	Thread.sleep(SHORT_DELAY_MS);
119	<	} catch(InterruptedException e){
120	<	fail("unexpected exception");
121	<	}
122	<	}
123	<	});
124	<	Thread.sleep(SMALL_DELAY_MS);
125	<	} catch(InterruptedException e){
126	<	fail("unexpected exception");
127	<	}
55	<	joinPool(one);
115	>	assertEquals(0, p.getActiveCount());
116	>	p.execute(new CheckedRunnable() {
117	>	public void realRun() throws InterruptedException {
118	>	threadStarted.countDown();
119	>	assertEquals(1, p.getActiveCount());
120	>	done.await();
121	>	}});
122	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123	>	assertEquals(1, p.getActiveCount());
124	>	} finally {
125	>	done.countDown();
126	>	joinPool(p);
127	>	}
128		}
129
130		/**
131	<	*   getActiveCount gives correct values
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133	<	public void testGetActiveCount(){
134	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	assertEquals(0, two.getActiveCount());
136	<	two.execute(new MediumRunnable());
137	<	try{
138	<	Thread.sleep(SHORT_DELAY_MS);
139	<	} catch(Exception e){
140	<	fail("unexpected exception");
133	>	public void testPrestartCoreThread() {
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
154		}
155	<
155	>
156		/**
157	<	*   getCompleteTaskCount gives correct values
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158		*/
159	<	public void testGetCompletedTaskCount(){
160	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161	<	assertEquals(0, two.getCompletedTaskCount());
162	<	two.execute(new ShortRunnable());
163	<	try{
164	<	Thread.sleep(MEDIUM_DELAY_MS);
165	<	} catch(Exception e){
166	<	fail("unexpected exception");
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
176		}
177	<
177	>
178		/**
179	<	*   getCorePoolSize gives correct values
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181		*/
182	<	public void testGetCorePoolSize(){
183	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
184	<	assertEquals(1, one.getCorePoolSize());
185	<	joinPool(one);
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210		}
211	<
211	>
212		/**
213	<	*   getKeepAliveTime gives correct values
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214		*/
215	<	public void testGetKeepAliveTime(){
216	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
218	<	joinPool(two);
215	>	public void testGetCorePoolSize() {
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222	>	}
223		}
224	<
224	>
225		/**
226	<	*   getLargestPoolSize gives correct values
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228	<	public void testGetLargestPoolSize(){
229	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230	<	try {
231	<	assertEquals(0, two.getLargestPoolSize());
232	<	two.execute(new MediumRunnable());
233	<	two.execute(new MediumRunnable());
234	<	Thread.sleep(SHORT_DELAY_MS);
235	<	assertEquals(2, two.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
235	>	}
236		}
237	<
237	>
238		/**
239	<	*   getMaximumPoolSize gives correct values
239	>	* getThreadFactory returns factory in constructor if not set
240		*/
241	<	public void testGetMaximumPoolSize(){
242	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243	<	assertEquals(2, two.getMaximumPoolSize());
244	<	joinPool(two);
241	>	public void testGetThreadFactory() {
242	>	ThreadFactory threadFactory = new SimpleThreadFactory();
243	>	final ThreadPoolExecutor p =
244	>	new ThreadPoolExecutor(1, 2,
245	>	LONG_DELAY_MS, MILLISECONDS,
246	>	new ArrayBlockingQueue<Runnable>(10),
247	>	threadFactory,
248	>	new NoOpREHandler());
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	assertSame(threadFactory, p.getThreadFactory());
251	>	}
252		}
253	<
253	>
254		/**
255	<	*   getPoolSize gives correct values
255	>	* setThreadFactory sets the thread factory returned by getThreadFactory
256		*/
257	<	public void testGetPoolSize(){
258	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259	<	assertEquals(0, one.getPoolSize());
260	<	one.execute(new MediumRunnable());
261	<	assertEquals(1, one.getPoolSize());
262	<	joinPool(one);
257	>	public void testSetThreadFactory() {
258	>	final ThreadPoolExecutor p =
259	>	new ThreadPoolExecutor(1, 2,
260	>	LONG_DELAY_MS, MILLISECONDS,
261	>	new ArrayBlockingQueue<Runnable>(10));
262	>	try (PoolCleaner cleaner = cleaner(p)) {
263	>	ThreadFactory threadFactory = new SimpleThreadFactory();
264	>	p.setThreadFactory(threadFactory);
265	>	assertSame(threadFactory, p.getThreadFactory());
266	>	}
267	>	}
268	>
269	>	/**
270	>	* setThreadFactory(null) throws NPE
271	>	*/
272	>	public void testSetThreadFactoryNull() {
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10));
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.setThreadFactory(null);
280	>	shouldThrow();
281	>	} catch (NullPointerException success) {}
282	>	}
283	>	}
284	>
285	>	/**
286	>	* getRejectedExecutionHandler returns handler in constructor if not set
287	>	*/
288	>	public void testGetRejectedExecutionHandler() {
289	>	final RejectedExecutionHandler handler = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	handler);
295	>	try (PoolCleaner cleaner = cleaner(p)) {
296	>	assertSame(handler, p.getRejectedExecutionHandler());
297	>	}
298	>	}
299	>
300	>	/**
301	>	* setRejectedExecutionHandler sets the handler returned by
302	>	* getRejectedExecutionHandler
303	>	*/
304	>	public void testSetRejectedExecutionHandler() {
305	>	final ThreadPoolExecutor p =
306	>	new ThreadPoolExecutor(1, 2,
307	>	LONG_DELAY_MS, MILLISECONDS,
308	>	new ArrayBlockingQueue<Runnable>(10));
309	>	try (PoolCleaner cleaner = cleaner(p)) {
310	>	RejectedExecutionHandler handler = new NoOpREHandler();
311	>	p.setRejectedExecutionHandler(handler);
312	>	assertSame(handler, p.getRejectedExecutionHandler());
313	>	}
314		}
315	<
315	>
316	>	/**
317	>	* setRejectedExecutionHandler(null) throws NPE
318	>	*/
319	>	public void testSetRejectedExecutionHandlerNull() {
320	>	final ThreadPoolExecutor p =
321	>	new ThreadPoolExecutor(1, 2,
322	>	LONG_DELAY_MS, MILLISECONDS,
323	>	new ArrayBlockingQueue<Runnable>(10));
324	>	try (PoolCleaner cleaner = cleaner(p)) {
325	>	try {
326	>	p.setRejectedExecutionHandler(null);
327	>	shouldThrow();
328	>	} catch (NullPointerException success) {}
329	>	}
330	>	}
331	>
332	>	/**
333	>	* getLargestPoolSize increases, but doesn't overestimate, when
334	>	* multiple threads active
335	>	*/
336	>	public void testGetLargestPoolSize() throws InterruptedException {
337	>	final int THREADS = 3;
338	>	final ThreadPoolExecutor p =
339	>	new ThreadPoolExecutor(THREADS, THREADS,
340	>	LONG_DELAY_MS, MILLISECONDS,
341	>	new ArrayBlockingQueue<Runnable>(10));
342	>	try (PoolCleaner cleaner = cleaner(p)) {
343	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
344	>	final CountDownLatch done = new CountDownLatch(1);
345	>	assertEquals(0, p.getLargestPoolSize());
346	>	for (int i = 0; i < THREADS; i++)
347	>	p.execute(new CheckedRunnable() {
348	>	public void realRun() throws InterruptedException {
349	>	threadsStarted.countDown();
350	>	done.await();
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}});
353	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
354	>	assertEquals(THREADS, p.getLargestPoolSize());
355	>	done.countDown();   // release pool
356	>	}
357	>	assertEquals(THREADS, p.getLargestPoolSize());
358	>	}
359	>
360	>	/**
361	>	* getMaximumPoolSize returns value given in constructor if not
362	>	* otherwise set
363	>	*/
364	>	public void testGetMaximumPoolSize() {
365	>	final ThreadPoolExecutor p =
366	>	new ThreadPoolExecutor(2, 3,
367	>	LONG_DELAY_MS, MILLISECONDS,
368	>	new ArrayBlockingQueue<Runnable>(10));
369	>	try (PoolCleaner cleaner = cleaner(p)) {
370	>	assertEquals(3, p.getMaximumPoolSize());
371	>	p.setMaximumPoolSize(5);
372	>	assertEquals(5, p.getMaximumPoolSize());
373	>	p.setMaximumPoolSize(4);
374	>	assertEquals(4, p.getMaximumPoolSize());
375	>	}
376	>	}
377	>
378		/**
379	<	*   getTaskCount gives correct values
379	>	* getPoolSize increases, but doesn't overestimate, when threads
380	>	* become active
381		*/
382	<	public void testGetTaskCount(){
383	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
382	>	public void testGetPoolSize() throws InterruptedException {
383	>	final ThreadPoolExecutor p =
384	>	new ThreadPoolExecutor(1, 1,
385	>	LONG_DELAY_MS, MILLISECONDS,
386	>	new ArrayBlockingQueue<Runnable>(10));
387	>	final CountDownLatch threadStarted = new CountDownLatch(1);
388	>	final CountDownLatch done = new CountDownLatch(1);
389		try {
390	<	assertEquals(0, one.getTaskCount());
391	<	for(int i = 0; i < 5; i++)
392	<	one.execute(new MediumRunnable());
393	<	Thread.sleep(SHORT_DELAY_MS);
394	<	assertEquals(5, one.getTaskCount());
395	<	} catch(Exception e){
396	<	fail("unexpected exception");
397	<	}
398	<	joinPool(one);
390	>	assertEquals(0, p.getPoolSize());
391	>	p.execute(new CheckedRunnable() {
392	>	public void realRun() throws InterruptedException {
393	>	threadStarted.countDown();
394	>	assertEquals(1, p.getPoolSize());
395	>	done.await();
396	>	}});
397	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
398	>	assertEquals(1, p.getPoolSize());
399	>	} finally {
400	>	done.countDown();
401	>	joinPool(p);
402	>	}
403		}
404	<
404	>
405		/**
406	<	*   isShutDown gives correct values
406	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
407		*/
408	<	public void testIsShutdown(){
409	<
410	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
411	<	assertFalse(one.isShutdown());
412	<	one.shutdown();
413	<	assertTrue(one.isShutdown());
414	<	joinPool(one);
408	>	public void testGetTaskCount() throws InterruptedException {
409	>	final ThreadPoolExecutor p =
410	>	new ThreadPoolExecutor(1, 1,
411	>	LONG_DELAY_MS, MILLISECONDS,
412	>	new ArrayBlockingQueue<Runnable>(10));
413	>	final CountDownLatch threadStarted = new CountDownLatch(1);
414	>	final CountDownLatch done = new CountDownLatch(1);
415	>	try {
416	>	assertEquals(0, p.getTaskCount());
417	>	p.execute(new CheckedRunnable() {
418	>	public void realRun() throws InterruptedException {
419	>	threadStarted.countDown();
420	>	assertEquals(1, p.getTaskCount());
421	>	done.await();
422	>	}});
423	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
424	>	assertEquals(1, p.getTaskCount());
425	>	} finally {
426	>	done.countDown();
427	>	joinPool(p);
428	>	}
429		}
430
175	–
431		/**
432	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
432	>	* isShutdown is false before shutdown, true after
433		*/
434	<	public void testIsTerminated(){
435	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
434	>	public void testIsShutdown() {
435	>	final ThreadPoolExecutor p =
436	>	new ThreadPoolExecutor(1, 1,
437	>	LONG_DELAY_MS, MILLISECONDS,
438	>	new ArrayBlockingQueue<Runnable>(10));
439	>	assertFalse(p.isShutdown());
440	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
441	>	assertTrue(p.isShutdown());
442	>	joinPool(p);
443	>	}
444	>
445	>	/**
446	>	* awaitTermination on a non-shutdown pool times out
447	>	*/
448	>	public void testAwaitTermination_timesOut() throws InterruptedException {
449	>	final ThreadPoolExecutor p =
450	>	new ThreadPoolExecutor(1, 1,
451	>	LONG_DELAY_MS, MILLISECONDS,
452	>	new ArrayBlockingQueue<Runnable>(10));
453	>	assertFalse(p.isTerminated());
454	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
455	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
456	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
457	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
458	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
459	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
460	>	long timeoutNanos = 999999L;
461	>	long startTime = System.nanoTime();
462	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
463	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
464	>	assertFalse(p.isTerminated());
465	>	startTime = System.nanoTime();
466	>	long timeoutMillis = timeoutMillis();
467	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
468	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
469	>	assertFalse(p.isTerminated());
470	>	p.shutdown();
471	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
472	>	assertTrue(p.isTerminated());
473	>	}
474	>
475	>	/**
476	>	* isTerminated is false before termination, true after
477	>	*/
478	>	public void testIsTerminated() throws InterruptedException {
479	>	final ThreadPoolExecutor p =
480	>	new ThreadPoolExecutor(1, 1,
481	>	LONG_DELAY_MS, MILLISECONDS,
482	>	new ArrayBlockingQueue<Runnable>(10));
483	>	final CountDownLatch threadStarted = new CountDownLatch(1);
484	>	final CountDownLatch done = new CountDownLatch(1);
485	>	assertFalse(p.isTerminated());
486		try {
487	<	one.execute(new MediumRunnable());
487	>	p.execute(new CheckedRunnable() {
488	>	public void realRun() throws InterruptedException {
489	>	assertFalse(p.isTerminated());
490	>	threadStarted.countDown();
491	>	done.await();
492	>	}});
493	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
494	>	assertFalse(p.isTerminating());
495	>	done.countDown();
496		} finally {
497	<	one.shutdown();
497	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
498		}
499	<	try {
500	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	<	assertTrue(one.isTerminated());
191	<	} catch(Exception e){
192	<	fail("unexpected exception");
193	<	}
499	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
500	>	assertTrue(p.isTerminated());
501		}
502
503		/**
504	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
504	>	* isTerminating is not true when running or when terminated
505		*/
506	<	public void testPurge(){
507	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
508	<	CancellableTask[] tasks = new CancellableTask[5];
509	<	for(int i = 0; i < 5; i++){
510	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
511	<	one.execute(tasks[i]);
506	>	public void testIsTerminating() throws InterruptedException {
507	>	final ThreadPoolExecutor p =
508	>	new ThreadPoolExecutor(1, 1,
509	>	LONG_DELAY_MS, MILLISECONDS,
510	>	new ArrayBlockingQueue<Runnable>(10));
511	>	final CountDownLatch threadStarted = new CountDownLatch(1);
512	>	final CountDownLatch done = new CountDownLatch(1);
513	>	try {
514	>	assertFalse(p.isTerminating());
515	>	p.execute(new CheckedRunnable() {
516	>	public void realRun() throws InterruptedException {
517	>	assertFalse(p.isTerminating());
518	>	threadStarted.countDown();
519	>	done.await();
520	>	}});
521	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
522	>	assertFalse(p.isTerminating());
523	>	done.countDown();
524	>	} finally {
525	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
526		}
527	<	tasks[4].cancel(true);
528	<	tasks[3].cancel(true);
529	<	one.purge();
210	<	long count = one.getTaskCount();
211	<	assertTrue(count >= 2 && count < 5);
212	<	joinPool(one);
527	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
528	>	assertTrue(p.isTerminated());
529	>	assertFalse(p.isTerminating());
530		}
531
532		/**
533	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
533	>	* getQueue returns the work queue, which contains queued tasks
534		*/
535	<	public void testShutDownNow(){
536	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
537	<	List l;
535	>	public void testGetQueue() throws InterruptedException {
536	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
537	>	final ThreadPoolExecutor p =
538	>	new ThreadPoolExecutor(1, 1,
539	>	LONG_DELAY_MS, MILLISECONDS,
540	>	q);
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543		try {
544	<	for(int i = 0; i < 5; i++)
545	<	one.execute(new MediumPossiblyInterruptedRunnable());
544	>	FutureTask[] tasks = new FutureTask[5];
545	>	for (int i = 0; i < tasks.length; i++) {
546	>	Callable task = new CheckedCallable<Boolean>() {
547	>	public Boolean realCall() throws InterruptedException {
548	>	threadStarted.countDown();
549	>	assertSame(q, p.getQueue());
550	>	done.await();
551	>	return Boolean.TRUE;
552	>	}};
553	>	tasks[i] = new FutureTask(task);
554	>	p.execute(tasks[i]);
555	>	}
556	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
557	>	assertSame(q, p.getQueue());
558	>	assertFalse(q.contains(tasks[0]));
559	>	assertTrue(q.contains(tasks[tasks.length - 1]));
560	>	assertEquals(tasks.length - 1, q.size());
561	>	} finally {
562	>	done.countDown();
563	>	joinPool(p);
564		}
565	<	finally {
566	<	l = one.shutdownNow();
565	>	}
566	>
567	>	/**
568	>	* remove(task) removes queued task, and fails to remove active task
569	>	*/
570	>	public void testRemove() throws InterruptedException {
571	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
572	>	final ThreadPoolExecutor p =
573	>	new ThreadPoolExecutor(1, 1,
574	>	LONG_DELAY_MS, MILLISECONDS,
575	>	q);
576	>	Runnable[] tasks = new Runnable[5];
577	>	final CountDownLatch threadStarted = new CountDownLatch(1);
578	>	final CountDownLatch done = new CountDownLatch(1);
579	>	try {
580	>	for (int i = 0; i < tasks.length; i++) {
581	>	tasks[i] = new CheckedRunnable() {
582	>	public void realRun() throws InterruptedException {
583	>	threadStarted.countDown();
584	>	done.await();
585	>	}};
586	>	p.execute(tasks[i]);
587	>	}
588	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
589	>	assertFalse(p.remove(tasks[0]));
590	>	assertTrue(q.contains(tasks[4]));
591	>	assertTrue(q.contains(tasks[3]));
592	>	assertTrue(p.remove(tasks[4]));
593	>	assertFalse(p.remove(tasks[4]));
594	>	assertFalse(q.contains(tasks[4]));
595	>	assertTrue(q.contains(tasks[3]));
596	>	assertTrue(p.remove(tasks[3]));
597	>	assertFalse(q.contains(tasks[3]));
598	>	} finally {
599	>	done.countDown();
600	>	joinPool(p);
601	>	}
602	>	}
603	>
604	>	/**
605	>	* purge removes cancelled tasks from the queue
606	>	*/
607	>	public void testPurge() throws InterruptedException {
608	>	final CountDownLatch threadStarted = new CountDownLatch(1);
609	>	final CountDownLatch done = new CountDownLatch(1);
610	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
611	>	final ThreadPoolExecutor p =
612	>	new ThreadPoolExecutor(1, 1,
613	>	LONG_DELAY_MS, MILLISECONDS,
614	>	q);
615	>	FutureTask[] tasks = new FutureTask[5];
616	>	try {
617	>	for (int i = 0; i < tasks.length; i++) {
618	>	Callable task = new CheckedCallable<Boolean>() {
619	>	public Boolean realCall() throws InterruptedException {
620	>	threadStarted.countDown();
621	>	done.await();
622	>	return Boolean.TRUE;
623	>	}};
624	>	tasks[i] = new FutureTask(task);
625	>	p.execute(tasks[i]);
626	>	}
627	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
628	>	assertEquals(tasks.length, p.getTaskCount());
629	>	assertEquals(tasks.length - 1, q.size());
630	>	assertEquals(1L, p.getActiveCount());
631	>	assertEquals(0L, p.getCompletedTaskCount());
632	>	tasks[4].cancel(true);
633	>	tasks[3].cancel(false);
634	>	p.purge();
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637	>	p.purge();         // Nothing to do
638	>	assertEquals(tasks.length - 3, q.size());
639	>	assertEquals(tasks.length - 2, p.getTaskCount());
640	>	} finally {
641	>	done.countDown();
642	>	joinPool(p);
643		}
644	<	assertTrue(one.isShutdown());
645	<	assertTrue(l.size() <= 4);
644	>	}
645	>
646	>	/**
647	>	* shutdownNow returns a list containing tasks that were not run,
648	>	* and those tasks are drained from the queue
649	>	*/
650	>	public void testShutdownNow() throws InterruptedException {
651	>	final int poolSize = 2;
652	>	final int count = 5;
653	>	final AtomicInteger ran = new AtomicInteger(0);
654	>	final ThreadPoolExecutor p =
655	>	new ThreadPoolExecutor(poolSize, poolSize,
656	>	LONG_DELAY_MS, MILLISECONDS,
657	>	new ArrayBlockingQueue<Runnable>(10));
658	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
659	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
660	>	threadsStarted.countDown();
661	>	try {
662	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
663	>	} catch (InterruptedException success) {}
664	>	ran.getAndIncrement();
665	>	}};
666	>	for (int i = 0; i < count; i++)
667	>	p.execute(waiter);
668	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
669	>	assertEquals(poolSize, p.getActiveCount());
670	>	assertEquals(0, p.getCompletedTaskCount());
671	>	final List<Runnable> queuedTasks;
672	>	try {
673	>	queuedTasks = p.shutdownNow();
674	>	} catch (SecurityException ok) {
675	>	return; // Allowed in case test doesn't have privs
676	>	}
677	>	assertTrue(p.isShutdown());
678	>	assertTrue(p.getQueue().isEmpty());
679	>	assertEquals(count - poolSize, queuedTasks.size());
680	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
681	>	assertTrue(p.isTerminated());
682	>	assertEquals(poolSize, ran.get());
683	>	assertEquals(poolSize, p.getCompletedTaskCount());
684		}
685
686		// Exception Tests
234	–
687
688	<	/** Throws if corePoolSize argument is less than zero */
688	>	/**
689	>	* Constructor throws if corePoolSize argument is less than zero
690	>	*/
691		public void testConstructor1() {
692	<	try{
693	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
694	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
695	<	}
696	<	catch (IllegalArgumentException success){}
692	>	try {
693	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
694	>	new ArrayBlockingQueue<Runnable>(10));
695	>	shouldThrow();
696	>	} catch (IllegalArgumentException success) {}
697		}
698	<
699	<	/** Throws if maximumPoolSize is less than zero */
698	>
699	>	/**
700	>	* Constructor throws if maximumPoolSize is less than zero
701	>	*/
702		public void testConstructor2() {
703	<	try{
704	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
705	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
706	<	}
707	<	catch (IllegalArgumentException success){}
703	>	try {
704	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
705	>	new ArrayBlockingQueue<Runnable>(10));
706	>	shouldThrow();
707	>	} catch (IllegalArgumentException success) {}
708		}
709	<
710	<	/** Throws if maximumPoolSize is equal to zero */
709	>
710	>	/**
711	>	* Constructor throws if maximumPoolSize is equal to zero
712	>	*/
713		public void testConstructor3() {
714	<	try{
715	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
716	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
717	<	}
718	<	catch (IllegalArgumentException success){}
714	>	try {
715	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
716	>	new ArrayBlockingQueue<Runnable>(10));
717	>	shouldThrow();
718	>	} catch (IllegalArgumentException success) {}
719		}
720
721	<	/** Throws if keepAliveTime is less than zero */
721	>	/**
722	>	* Constructor throws if keepAliveTime is less than zero
723	>	*/
724		public void testConstructor4() {
725	<	try{
726	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
727	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
728	<	}
729	<	catch (IllegalArgumentException success){}
725	>	try {
726	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
727	>	new ArrayBlockingQueue<Runnable>(10));
728	>	shouldThrow();
729	>	} catch (IllegalArgumentException success) {}
730		}
731
732	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
732	>	/**
733	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
734	>	*/
735		public void testConstructor5() {
736	<	try{
737	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
738	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
739	<	}
740	<	catch (IllegalArgumentException success){}
736	>	try {
737	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
738	>	new ArrayBlockingQueue<Runnable>(10));
739	>	shouldThrow();
740	>	} catch (IllegalArgumentException success) {}
741		}
742	<
743	<	/** Throws if workQueue is set to null */
744	<	public void testNullPointerException() {
745	<	try{
746	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
747	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
748	<	}
749	<	catch (NullPointerException success){}
742	>
743	>	/**
744	>	* Constructor throws if workQueue is set to null
745	>	*/
746	>	public void testConstructorNullPointerException() {
747	>	try {
748	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
749	>	(BlockingQueue) null);
750	>	shouldThrow();
751	>	} catch (NullPointerException success) {}
752		}
289	–
753
754	<
755	<	/** Throws if corePoolSize argument is less than zero */
754	>	/**
755	>	* Constructor throws if corePoolSize argument is less than zero
756	>	*/
757		public void testConstructor6() {
758	<	try{
759	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
760	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
761	<	} catch (IllegalArgumentException success){}
758	>	try {
759	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
760	>	new ArrayBlockingQueue<Runnable>(10),
761	>	new SimpleThreadFactory());
762	>	shouldThrow();
763	>	} catch (IllegalArgumentException success) {}
764		}
765	<
766	<	/** Throws if maximumPoolSize is less than zero */
765	>
766	>	/**
767	>	* Constructor throws if maximumPoolSize is less than zero
768	>	*/
769		public void testConstructor7() {
770	<	try{
771	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
772	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
773	<	}
774	<	catch (IllegalArgumentException success){}
770	>	try {
771	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
772	>	new ArrayBlockingQueue<Runnable>(10),
773	>	new SimpleThreadFactory());
774	>	shouldThrow();
775	>	} catch (IllegalArgumentException success) {}
776		}
777
778	<	/** Throws if maximumPoolSize is equal to zero */
778	>	/**
779	>	* Constructor throws if maximumPoolSize is equal to zero
780	>	*/
781		public void testConstructor8() {
782	<	try{
783	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
784	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
785	<	}
786	<	catch (IllegalArgumentException success){}
782	>	try {
783	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
784	>	new ArrayBlockingQueue<Runnable>(10),
785	>	new SimpleThreadFactory());
786	>	shouldThrow();
787	>	} catch (IllegalArgumentException success) {}
788		}
789
790	<	/** Throws if keepAliveTime is less than zero */
790	>	/**
791	>	* Constructor throws if keepAliveTime is less than zero
792	>	*/
793		public void testConstructor9() {
794	<	try{
795	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
796	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
797	<	}
798	<	catch (IllegalArgumentException success){}
794	>	try {
795	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
796	>	new ArrayBlockingQueue<Runnable>(10),
797	>	new SimpleThreadFactory());
798	>	shouldThrow();
799	>	} catch (IllegalArgumentException success) {}
800		}
801
802	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
802	>	/**
803	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
804	>	*/
805		public void testConstructor10() {
806	<	try{
807	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
808	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
806	>	try {
807	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new SimpleThreadFactory());
810	>	shouldThrow();
811	>	} catch (IllegalArgumentException success) {}
812	>	}
813	>
814	>	/**
815	>	* Constructor throws if workQueue is set to null
816	>	*/
817	>	public void testConstructorNullPointerException2() {
818	>	try {
819	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
820	>	(BlockingQueue) null,
821	>	new SimpleThreadFactory());
822	>	shouldThrow();
823	>	} catch (NullPointerException success) {}
824	>	}
825	>
826	>	/**
827	>	* Constructor throws if threadFactory is set to null
828	>	*/
829	>	public void testConstructorNullPointerException3() {
830	>	try {
831	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
832	>	new ArrayBlockingQueue<Runnable>(10),
833	>	(ThreadFactory) null);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {}
836	>	}
837	>
838	>	/**
839	>	* Constructor throws if corePoolSize argument is less than zero
840	>	*/
841	>	public void testConstructor11() {
842	>	try {
843	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
844	>	new ArrayBlockingQueue<Runnable>(10),
845	>	new NoOpREHandler());
846	>	shouldThrow();
847	>	} catch (IllegalArgumentException success) {}
848	>	}
849	>
850	>	/**
851	>	* Constructor throws if maximumPoolSize is less than zero
852	>	*/
853	>	public void testConstructor12() {
854	>	try {
855	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
856	>	new ArrayBlockingQueue<Runnable>(10),
857	>	new NoOpREHandler());
858	>	shouldThrow();
859	>	} catch (IllegalArgumentException success) {}
860	>	}
861	>
862	>	/**
863	>	* Constructor throws if maximumPoolSize is equal to zero
864	>	*/
865	>	public void testConstructor13() {
866	>	try {
867	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
868	>	new ArrayBlockingQueue<Runnable>(10),
869	>	new NoOpREHandler());
870	>	shouldThrow();
871	>	} catch (IllegalArgumentException success) {}
872	>	}
873	>
874	>	/**
875	>	* Constructor throws if keepAliveTime is less than zero
876	>	*/
877	>	public void testConstructor14() {
878	>	try {
879	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
880	>	new ArrayBlockingQueue<Runnable>(10),
881	>	new NoOpREHandler());
882	>	shouldThrow();
883	>	} catch (IllegalArgumentException success) {}
884	>	}
885	>
886	>	/**
887	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
888	>	*/
889	>	public void testConstructor15() {
890	>	try {
891	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
892	>	new ArrayBlockingQueue<Runnable>(10),
893	>	new NoOpREHandler());
894	>	shouldThrow();
895	>	} catch (IllegalArgumentException success) {}
896	>	}
897	>
898	>	/**
899	>	* Constructor throws if workQueue is set to null
900	>	*/
901	>	public void testConstructorNullPointerException4() {
902	>	try {
903	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
904	>	(BlockingQueue) null,
905	>	new NoOpREHandler());
906	>	shouldThrow();
907	>	} catch (NullPointerException success) {}
908	>	}
909	>
910	>	/**
911	>	* Constructor throws if handler is set to null
912	>	*/
913	>	public void testConstructorNullPointerException5() {
914	>	try {
915	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
916	>	new ArrayBlockingQueue<Runnable>(10),
917	>	(RejectedExecutionHandler) null);
918	>	shouldThrow();
919	>	} catch (NullPointerException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if corePoolSize argument is less than zero
924	>	*/
925	>	public void testConstructor16() {
926	>	try {
927	>	new ThreadPoolExecutor(-1, 1, 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 maximumPoolSize is less than zero
937	>	*/
938	>	public void testConstructor17() {
939	>	try {
940	>	new ThreadPoolExecutor(1, -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 maximumPoolSize is equal to zero
950	>	*/
951	>	public void testConstructor18() {
952	>	try {
953	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
954	>	new ArrayBlockingQueue<Runnable>(10),
955	>	new SimpleThreadFactory(),
956	>	new NoOpREHandler());
957	>	shouldThrow();
958	>	} catch (IllegalArgumentException success) {}
959	>	}
960	>
961	>	/**
962	>	* Constructor throws if keepAliveTime is less than zero
963	>	*/
964	>	public void testConstructor19() {
965	>	try {
966	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
967	>	new ArrayBlockingQueue<Runnable>(10),
968	>	new SimpleThreadFactory(),
969	>	new NoOpREHandler());
970	>	shouldThrow();
971	>	} catch (IllegalArgumentException success) {}
972	>	}
973	>
974	>	/**
975	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
976	>	*/
977	>	public void testConstructor20() {
978	>	try {
979	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
980	>	new ArrayBlockingQueue<Runnable>(10),
981	>	new SimpleThreadFactory(),
982	>	new NoOpREHandler());
983	>	shouldThrow();
984	>	} catch (IllegalArgumentException success) {}
985	>	}
986	>
987	>	/**
988	>	* Constructor throws if workQueue is null
989	>	*/
990	>	public void testConstructorNullPointerException6() {
991	>	try {
992	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
993	>	(BlockingQueue) null,
994	>	new SimpleThreadFactory(),
995	>	new NoOpREHandler());
996	>	shouldThrow();
997	>	} catch (NullPointerException success) {}
998	>	}
999	>
1000	>	/**
1001	>	* Constructor throws if handler is null
1002	>	*/
1003	>	public void testConstructorNullPointerException7() {
1004	>	try {
1005	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1006	>	new ArrayBlockingQueue<Runnable>(10),
1007	>	new SimpleThreadFactory(),
1008	>	(RejectedExecutionHandler) null);
1009	>	shouldThrow();
1010	>	} catch (NullPointerException success) {}
1011	>	}
1012	>
1013	>	/**
1014	>	* Constructor throws if ThreadFactory is null
1015	>	*/
1016	>	public void testConstructorNullPointerException8() {
1017	>	try {
1018	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10),
1020	>	(ThreadFactory) null,
1021	>	new NoOpREHandler());
1022	>	shouldThrow();
1023	>	} catch (NullPointerException success) {}
1024	>	}
1025	>
1026	>	/**
1027	>	* get of submitted callable throws InterruptedException if interrupted
1028	>	*/
1029	>	public void testInterruptedSubmit() throws InterruptedException {
1030	>	final ThreadPoolExecutor p =
1031	>	new ThreadPoolExecutor(1, 1,
1032	>	60, SECONDS,
1033	>	new ArrayBlockingQueue<Runnable>(10));
1034	>
1035	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1036	>	final CountDownLatch done = new CountDownLatch(1);
1037	>	try {
1038	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1039	>	public void realRun() throws Exception {
1040	>	Callable task = new CheckedCallable<Boolean>() {
1041	>	public Boolean realCall() throws InterruptedException {
1042	>	threadStarted.countDown();
1043	>	done.await();
1044	>	return Boolean.TRUE;
1045	>	}};
1046	>	p.submit(task).get();
1047	>	}});
1048	>
1049	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1050	>	t.interrupt();
1051	>	awaitTermination(t, MEDIUM_DELAY_MS);
1052	>	} finally {
1053	>	done.countDown();
1054	>	joinPool(p);
1055		}
333	–	catch (IllegalArgumentException success){}
1056		}
1057
1058	<	/** Throws if workQueue is set to null */
1059	<	public void testNullPointerException2() {
1060	<	try{
1061	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1062	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1058	>	/**
1059	>	* execute throws RejectedExecutionException if saturated.
1060	>	*/
1061	>	public void testSaturatedExecute() {
1062	>	ThreadPoolExecutor p =
1063	>	new ThreadPoolExecutor(1, 1,
1064	>	LONG_DELAY_MS, MILLISECONDS,
1065	>	new ArrayBlockingQueue<Runnable>(1));
1066	>	final CountDownLatch done = new CountDownLatch(1);
1067	>	try {
1068	>	Runnable task = new CheckedRunnable() {
1069	>	public void realRun() throws InterruptedException {
1070	>	done.await();
1071	>	}};
1072	>	for (int i = 0; i < 2; ++i)
1073	>	p.execute(task);
1074	>	for (int i = 0; i < 2; ++i) {
1075	>	try {
1076	>	p.execute(task);
1077	>	shouldThrow();
1078	>	} catch (RejectedExecutionException success) {}
1079	>	assertTrue(p.getTaskCount() <= 2);
1080	>	}
1081	>	} finally {
1082	>	done.countDown();
1083	>	joinPool(p);
1084		}
342	–	catch (NullPointerException success){}
1085		}
1086
1087	<	/** Throws if threadFactory is set to null */
1088	<	public void testNullPointerException3() {
1089	<	try{
1090	<	ThreadFactory f = null;
1091	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1092	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1087	>	/**
1088	>	* submit(runnable) throws RejectedExecutionException if saturated.
1089	>	*/
1090	>	public void testSaturatedSubmitRunnable() {
1091	>	ThreadPoolExecutor p =
1092	>	new ThreadPoolExecutor(1, 1,
1093	>	LONG_DELAY_MS, MILLISECONDS,
1094	>	new ArrayBlockingQueue<Runnable>(1));
1095	>	final CountDownLatch done = new CountDownLatch(1);
1096	>	try {
1097	>	Runnable task = new CheckedRunnable() {
1098	>	public void realRun() throws InterruptedException {
1099	>	done.await();
1100	>	}};
1101	>	for (int i = 0; i < 2; ++i)
1102	>	p.submit(task);
1103	>	for (int i = 0; i < 2; ++i) {
1104	>	try {
1105	>	p.execute(task);
1106	>	shouldThrow();
1107	>	} catch (RejectedExecutionException success) {}
1108	>	assertTrue(p.getTaskCount() <= 2);
1109	>	}
1110	>	} finally {
1111	>	done.countDown();
1112	>	joinPool(p);
1113		}
352	–	catch (NullPointerException success){}
1114		}
1115	<
1116	<
1117	<	/** Throws if corePoolSize argument is less than zero */
1118	<	public void testConstructor11() {
1119	<	try{
1120	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1121	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1115	>
1116	>	/**
1117	>	* submit(callable) throws RejectedExecutionException if saturated.
1118	>	*/
1119	>	public void testSaturatedSubmitCallable() {
1120	>	ThreadPoolExecutor p =
1121	>	new ThreadPoolExecutor(1, 1,
1122	>	LONG_DELAY_MS, MILLISECONDS,
1123	>	new ArrayBlockingQueue<Runnable>(1));
1124	>	final CountDownLatch done = new CountDownLatch(1);
1125	>	try {
1126	>	Runnable task = new CheckedRunnable() {
1127	>	public void realRun() throws InterruptedException {
1128	>	done.await();
1129	>	}};
1130	>	for (int i = 0; i < 2; ++i)
1131	>	p.submit(Executors.callable(task));
1132	>	for (int i = 0; i < 2; ++i) {
1133	>	try {
1134	>	p.execute(task);
1135	>	shouldThrow();
1136	>	} catch (RejectedExecutionException success) {}
1137	>	assertTrue(p.getTaskCount() <= 2);
1138	>	}
1139	>	} finally {
1140	>	done.countDown();
1141	>	joinPool(p);
1142		}
362	–	catch (IllegalArgumentException success){}
1143		}
1144
1145	<	/** Throws if maximumPoolSize is less than zero */
1146	<	public void testConstructor12() {
1147	<	try{
1148	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1149	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1145	>	/**
1146	>	* executor using CallerRunsPolicy runs task if saturated.
1147	>	*/
1148	>	public void testSaturatedExecute2() {
1149	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1150	>	final ThreadPoolExecutor p =
1151	>	new ThreadPoolExecutor(1, 1,
1152	>	LONG_DELAY_MS,
1153	>	MILLISECONDS,
1154	>	new ArrayBlockingQueue<Runnable>(1),
1155	>	h);
1156	>	try {
1157	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1158	>	for (int i = 0; i < tasks.length; ++i)
1159	>	tasks[i] = new TrackedNoOpRunnable();
1160	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1161	>	p.execute(mr);
1162	>	for (int i = 0; i < tasks.length; ++i)
1163	>	p.execute(tasks[i]);
1164	>	for (int i = 1; i < tasks.length; ++i)
1165	>	assertTrue(tasks[i].done);
1166	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1167	>	} finally {
1168	>	joinPool(p);
1169		}
371	–	catch (IllegalArgumentException success){}
1170		}
1171
1172	<	/** Throws if maximumPoolSize is equal to zero */
1173	<	public void testConstructor13() {
1174	<	try{
1175	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1176	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1172	>	/**
1173	>	* executor using DiscardPolicy drops task if saturated.
1174	>	*/
1175	>	public void testSaturatedExecute3() {
1176	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1177	>	final ThreadPoolExecutor p =
1178	>	new ThreadPoolExecutor(1, 1,
1179	>	LONG_DELAY_MS, MILLISECONDS,
1180	>	new ArrayBlockingQueue<Runnable>(1),
1181	>	h);
1182	>	try {
1183	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1184	>	for (int i = 0; i < tasks.length; ++i)
1185	>	tasks[i] = new TrackedNoOpRunnable();
1186	>	p.execute(new TrackedLongRunnable());
1187	>	for (TrackedNoOpRunnable task : tasks)
1188	>	p.execute(task);
1189	>	for (TrackedNoOpRunnable task : tasks)
1190	>	assertFalse(task.done);
1191	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1192	>	} finally {
1193	>	joinPool(p);
1194		}
380	–	catch (IllegalArgumentException success){}
1195		}
1196
1197	<	/** Throws if keepAliveTime is less than zero */
1198	<	public void testConstructor14() {
1199	<	try{
1200	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1201	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1197	>	/**
1198	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1199	>	*/
1200	>	public void testSaturatedExecute4() {
1201	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1202	>	final ThreadPoolExecutor p =
1203	>	new ThreadPoolExecutor(1, 1,
1204	>	LONG_DELAY_MS, MILLISECONDS,
1205	>	new ArrayBlockingQueue<Runnable>(1),
1206	>	h);
1207	>	try {
1208	>	p.execute(new TrackedLongRunnable());
1209	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1210	>	p.execute(r2);
1211	>	assertTrue(p.getQueue().contains(r2));
1212	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1213	>	p.execute(r3);
1214	>	assertFalse(p.getQueue().contains(r2));
1215	>	assertTrue(p.getQueue().contains(r3));
1216	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1217	>	} finally {
1218	>	joinPool(p);
1219		}
389	–	catch (IllegalArgumentException success){}
1220		}
1221
1222	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1223	<	public void testConstructor15() {
1224	<	try{
1225	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1226	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1222	>	/**
1223	>	* execute throws RejectedExecutionException if shutdown
1224	>	*/
1225	>	public void testRejectedExecutionExceptionOnShutdown() {
1226	>	ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(1, 1,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(1));
1230	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1231	>	try {
1232	>	p.execute(new NoOpRunnable());
1233	>	shouldThrow();
1234	>	} catch (RejectedExecutionException success) {}
1235	>
1236	>	joinPool(p);
1237	>	}
1238	>
1239	>	/**
1240	>	* execute using CallerRunsPolicy drops task on shutdown
1241	>	*/
1242	>	public void testCallerRunsOnShutdown() {
1243	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1244	>	final ThreadPoolExecutor p =
1245	>	new ThreadPoolExecutor(1, 1,
1246	>	LONG_DELAY_MS, MILLISECONDS,
1247	>	new ArrayBlockingQueue<Runnable>(1), h);
1248	>
1249	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1250	>	try {
1251	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1252	>	p.execute(r);
1253	>	assertFalse(r.done);
1254	>	} finally {
1255	>	joinPool(p);
1256		}
398	–	catch (IllegalArgumentException success){}
1257		}
1258
1259	<	/** Throws if workQueue is set to null */
1260	<	public void testNullPointerException4() {
1261	<	try{
1262	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1263	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1259	>	/**
1260	>	* execute using DiscardPolicy drops task on shutdown
1261	>	*/
1262	>	public void testDiscardOnShutdown() {
1263	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1264	>	ThreadPoolExecutor p =
1265	>	new ThreadPoolExecutor(1, 1,
1266	>	LONG_DELAY_MS, MILLISECONDS,
1267	>	new ArrayBlockingQueue<Runnable>(1),
1268	>	h);
1269	>
1270	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1271	>	try {
1272	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1273	>	p.execute(r);
1274	>	assertFalse(r.done);
1275	>	} finally {
1276	>	joinPool(p);
1277		}
407	–	catch (NullPointerException success){}
1278		}
1279
1280	<	/** Throws if handler is set to null */
1281	<	public void testNullPointerException5() {
1282	<	try{
1283	<	RejectedExecutionHandler r = null;
1284	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1285	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1280	>	/**
1281	>	* execute using DiscardOldestPolicy drops task on shutdown
1282	>	*/
1283	>	public void testDiscardOldestOnShutdown() {
1284	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1285	>	ThreadPoolExecutor p =
1286	>	new ThreadPoolExecutor(1, 1,
1287	>	LONG_DELAY_MS, MILLISECONDS,
1288	>	new ArrayBlockingQueue<Runnable>(1),
1289	>	h);
1290	>
1291	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1292	>	try {
1293	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1294	>	p.execute(r);
1295	>	assertFalse(r.done);
1296	>	} finally {
1297	>	joinPool(p);
1298		}
417	–	catch (NullPointerException success){}
1299		}
1300
1301	<
1302	<	/** Throws if corePoolSize argument is less than zero */
1303	<	public void testConstructor16() {
1304	<	try{
1305	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1306	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1301	>	/**
1302	>	* execute(null) throws NPE
1303	>	*/
1304	>	public void testExecuteNull() {
1305	>	ThreadPoolExecutor p =
1306	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1307	>	new ArrayBlockingQueue<Runnable>(10));
1308	>	try {
1309	>	p.execute(null);
1310	>	shouldThrow();
1311	>	} catch (NullPointerException success) {}
1312	>
1313	>	joinPool(p);
1314	>	}
1315	>
1316	>	/**
1317	>	* setCorePoolSize of negative value throws IllegalArgumentException
1318	>	*/
1319	>	public void testCorePoolSizeIllegalArgumentException() {
1320	>	ThreadPoolExecutor p =
1321	>	new ThreadPoolExecutor(1, 2,
1322	>	LONG_DELAY_MS, MILLISECONDS,
1323	>	new ArrayBlockingQueue<Runnable>(10));
1324	>	try {
1325	>	p.setCorePoolSize(-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 maximumPoolSize is less than zero */
1335	<	public void testConstructor17() {
1336	<	try{
1337	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1338	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1334	>	/**
1335	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1336	>	* given a value less the core pool size
1337	>	*/
1338	>	public void testMaximumPoolSizeIllegalArgumentException() {
1339	>	ThreadPoolExecutor p =
1340	>	new ThreadPoolExecutor(2, 3,
1341	>	LONG_DELAY_MS, MILLISECONDS,
1342	>	new ArrayBlockingQueue<Runnable>(10));
1343	>	try {
1344	>	p.setMaximumPoolSize(1);
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 maximumPoolSize is equal to zero */
1354	<	public void testConstructor18() {
1355	<	try{
1356	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1357	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1353	>	/**
1354	>	* setMaximumPoolSize throws IllegalArgumentException
1355	>	* if given a negative value
1356	>	*/
1357	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1358	>	ThreadPoolExecutor p =
1359	>	new ThreadPoolExecutor(2, 3,
1360	>	LONG_DELAY_MS, MILLISECONDS,
1361	>	new ArrayBlockingQueue<Runnable>(10));
1362	>	try {
1363	>	p.setMaximumPoolSize(-1);
1364	>	shouldThrow();
1365	>	} catch (IllegalArgumentException success) {
1366	>	} finally {
1367	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1368		}
1369	<	catch (IllegalArgumentException success){}
1369	>	joinPool(p);
1370		}
1371
1372	<	/** Throws if keepAliveTime is less than zero */
1373	<	public void testConstructor19() {
1374	<	try{
1375	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1376	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1372	>	/**
1373	>	* Configuration changes that allow core pool size greater than
1374	>	* max pool size result in IllegalArgumentException.
1375	>	*/
1376	>	public void testPoolSizeInvariants() {
1377	>	ThreadPoolExecutor p =
1378	>	new ThreadPoolExecutor(1, 1,
1379	>	LONG_DELAY_MS, MILLISECONDS,
1380	>	new ArrayBlockingQueue<Runnable>(10));
1381	>	for (int s = 1; s < 5; s++) {
1382	>	p.setMaximumPoolSize(s);
1383	>	p.setCorePoolSize(s);
1384	>	try {
1385	>	p.setMaximumPoolSize(s - 1);
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388	>	assertEquals(s, p.getCorePoolSize());
1389	>	assertEquals(s, p.getMaximumPoolSize());
1390	>	try {
1391	>	p.setCorePoolSize(s + 1);
1392	>	shouldThrow();
1393	>	} catch (IllegalArgumentException success) {}
1394	>	assertEquals(s, p.getCorePoolSize());
1395	>	assertEquals(s, p.getMaximumPoolSize());
1396		}
1397	<	catch (IllegalArgumentException success){}
1397	>	joinPool(p);
1398		}
1399
1400	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1401	<	public void testConstructor20() {
1402	<	try{
1403	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1404	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1400	>	/**
1401	>	* setKeepAliveTime throws IllegalArgumentException
1402	>	* when given a negative value
1403	>	*/
1404	>	public void testKeepAliveTimeIllegalArgumentException() {
1405	>	ThreadPoolExecutor p =
1406	>	new ThreadPoolExecutor(2, 3,
1407	>	LONG_DELAY_MS, MILLISECONDS,
1408	>	new ArrayBlockingQueue<Runnable>(10));
1409	>	try {
1410	>	p.setKeepAliveTime(-1,MILLISECONDS);
1411	>	shouldThrow();
1412	>	} catch (IllegalArgumentException success) {
1413	>	} finally {
1414	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1415		}
1416	<	catch (IllegalArgumentException success){}
1416	>	joinPool(p);
1417		}
1418
1419	<	/** Throws if workQueue is set to null */
1420	<	public void testNullPointerException6() {
1421	<	try{
1422	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1423	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1419	>	/**
1420	>	* terminated() is called on termination
1421	>	*/
1422	>	public void testTerminated() {
1423	>	ExtendedTPE p = new ExtendedTPE();
1424	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1425	>	assertTrue(p.terminatedCalled());
1426	>	joinPool(p);
1427	>	}
1428	>
1429	>	/**
1430	>	* beforeExecute and afterExecute are called when executing task
1431	>	*/
1432	>	public void testBeforeAfter() throws InterruptedException {
1433	>	ExtendedTPE p = new ExtendedTPE();
1434	>	try {
1435	>	final CountDownLatch done = new CountDownLatch(1);
1436	>	p.execute(new CheckedRunnable() {
1437	>	public void realRun() {
1438	>	done.countDown();
1439	>	}});
1440	>	await(p.afterCalled);
1441	>	assertEquals(0, done.getCount());
1442	>	assertTrue(p.afterCalled());
1443	>	assertTrue(p.beforeCalled());
1444	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1445	>	} finally {
1446	>	joinPool(p);
1447	>	}
1448	>	}
1449	>
1450	>	/**
1451	>	* completed submit of callable returns result
1452	>	*/
1453	>	public void testSubmitCallable() throws Exception {
1454	>	ExecutorService e =
1455	>	new ThreadPoolExecutor(2, 2,
1456	>	LONG_DELAY_MS, MILLISECONDS,
1457	>	new ArrayBlockingQueue<Runnable>(10));
1458	>	try {
1459	>	Future<String> future = e.submit(new StringTask());
1460	>	String result = future.get();
1461	>	assertSame(TEST_STRING, result);
1462	>	} finally {
1463	>	joinPool(e);
1464	>	}
1465	>	}
1466	>
1467	>	/**
1468	>	* completed submit of runnable returns successfully
1469	>	*/
1470	>	public void testSubmitRunnable() throws Exception {
1471	>	ExecutorService e =
1472	>	new ThreadPoolExecutor(2, 2,
1473	>	LONG_DELAY_MS, MILLISECONDS,
1474	>	new ArrayBlockingQueue<Runnable>(10));
1475	>	try {
1476	>	Future<?> future = e.submit(new NoOpRunnable());
1477	>	future.get();
1478	>	assertTrue(future.isDone());
1479	>	} finally {
1480	>	joinPool(e);
1481	>	}
1482	>	}
1483	>
1484	>	/**
1485	>	* completed submit of (runnable, result) returns result
1486	>	*/
1487	>	public void testSubmitRunnable2() throws Exception {
1488	>	ExecutorService e =
1489	>	new ThreadPoolExecutor(2, 2,
1490	>	LONG_DELAY_MS, MILLISECONDS,
1491	>	new ArrayBlockingQueue<Runnable>(10));
1492	>	try {
1493	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1494	>	String result = future.get();
1495	>	assertSame(TEST_STRING, result);
1496	>	} finally {
1497	>	joinPool(e);
1498	>	}
1499	>	}
1500	>
1501	>	/**
1502	>	* invokeAny(null) throws NPE
1503	>	*/
1504	>	public void testInvokeAny1() throws Exception {
1505	>	ExecutorService e =
1506	>	new ThreadPoolExecutor(2, 2,
1507	>	LONG_DELAY_MS, MILLISECONDS,
1508	>	new ArrayBlockingQueue<Runnable>(10));
1509	>	try {
1510	>	e.invokeAny(null);
1511	>	shouldThrow();
1512	>	} catch (NullPointerException success) {
1513	>	} finally {
1514	>	joinPool(e);
1515		}
472	–	catch (NullPointerException success){}
1516		}
1517
1518	<	/** Throws if handler is set to null */
1519	<	public void testNullPointerException7() {
1520	<	try{
1521	<	RejectedExecutionHandler r = null;
1522	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1523	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1518	>	/**
1519	>	* invokeAny(empty collection) throws IAE
1520	>	*/
1521	>	public void testInvokeAny2() throws Exception {
1522	>	ExecutorService e =
1523	>	new ThreadPoolExecutor(2, 2,
1524	>	LONG_DELAY_MS, MILLISECONDS,
1525	>	new ArrayBlockingQueue<Runnable>(10));
1526	>	try {
1527	>	e.invokeAny(new ArrayList<Callable<String>>());
1528	>	shouldThrow();
1529	>	} catch (IllegalArgumentException success) {
1530	>	} finally {
1531	>	joinPool(e);
1532		}
482	–	catch (NullPointerException success){}
1533		}
1534
1535	<	/** Throws if ThreadFactory is set top null */
1536	<	public void testNullPointerException8() {
1537	<	try{
1538	<	ThreadFactory f = null;
1539	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1540	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1535	>	/**
1536	>	* invokeAny(c) throws NPE if c has null elements
1537	>	*/
1538	>	public void testInvokeAny3() throws Exception {
1539	>	final CountDownLatch latch = new CountDownLatch(1);
1540	>	final ExecutorService e =
1541	>	new ThreadPoolExecutor(2, 2,
1542	>	LONG_DELAY_MS, MILLISECONDS,
1543	>	new ArrayBlockingQueue<Runnable>(10));
1544	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1545	>	l.add(latchAwaitingStringTask(latch));
1546	>	l.add(null);
1547	>	try {
1548	>	e.invokeAny(l);
1549	>	shouldThrow();
1550	>	} catch (NullPointerException success) {
1551	>	} finally {
1552	>	latch.countDown();
1553	>	joinPool(e);
1554		}
492	–	catch (NullPointerException successdn8){}
1555		}
494	–
1556
1557		/**
1558	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1558	>	* invokeAny(c) throws ExecutionException if no task completes
1559		*/
1560	<	public void testRejectedExecutionException(){
1561	<	ThreadPoolExecutor tpe = null;
1562	<	try{
1563	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1564	<	} catch(Exception e){}
1565	<	tpe.shutdown();
1566	<	try{
1567	<	tpe.execute(new NoOpRunnable());
1568	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1569	<	} catch(RejectedExecutionException success){}
1570	<
1571	<	joinPool(tpe);
1560	>	public void testInvokeAny4() throws Exception {
1561	>	ExecutorService e =
1562	>	new ThreadPoolExecutor(2, 2,
1563	>	LONG_DELAY_MS, MILLISECONDS,
1564	>	new ArrayBlockingQueue<Runnable>(10));
1565	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1566	>	l.add(new NPETask());
1567	>	try {
1568	>	e.invokeAny(l);
1569	>	shouldThrow();
1570	>	} catch (ExecutionException success) {
1571	>	assertTrue(success.getCause() instanceof NullPointerException);
1572	>	} finally {
1573	>	joinPool(e);
1574	>	}
1575		}
1576	<
1576	>
1577		/**
1578	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1578	>	* invokeAny(c) returns result of some task
1579		*/
1580	<	public void testCorePoolSizeIllegalArgumentException(){
1581	<	ThreadPoolExecutor tpe = null;
1582	<	try{
1583	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1584	<	} catch(Exception e){}
1585	<	try{
1586	<	tpe.setCorePoolSize(-1);
1587	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1588	<	} catch(IllegalArgumentException success){
1580	>	public void testInvokeAny5() throws Exception {
1581	>	ExecutorService e =
1582	>	new ThreadPoolExecutor(2, 2,
1583	>	LONG_DELAY_MS, MILLISECONDS,
1584	>	new ArrayBlockingQueue<Runnable>(10));
1585	>	try {
1586	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1587	>	l.add(new StringTask());
1588	>	l.add(new StringTask());
1589	>	String result = e.invokeAny(l);
1590	>	assertSame(TEST_STRING, result);
1591		} finally {
1592	<	tpe.shutdown();
1592	>	joinPool(e);
1593		}
1594	<	joinPool(tpe);
532	<	}
1594	>	}
1595
534	–
1596		/**
1597	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1598	<	*  if given a value less the it's actual core pool size
1599	<	*/
1600	<	public void testMaximumPoolSizeIllegalArgumentException(){
1601	<	ThreadPoolExecutor tpe = null;
1602	<	try{
1603	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1604	<	} catch(Exception e){}
1605	<	try{
1606	<	tpe.setMaximumPoolSize(1);
1607	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
1597	>	* invokeAll(null) throws NPE
1598	>	*/
1599	>	public void testInvokeAll1() throws Exception {
1600	>	ExecutorService e =
1601	>	new ThreadPoolExecutor(2, 2,
1602	>	LONG_DELAY_MS, MILLISECONDS,
1603	>	new ArrayBlockingQueue<Runnable>(10));
1604	>	try {
1605	>	e.invokeAll(null);
1606	>	shouldThrow();
1607	>	} catch (NullPointerException success) {
1608		} finally {
1609	<	tpe.shutdown();
1609	>	joinPool(e);
1610		}
551	–	joinPool(tpe);
1611		}
1612	<
1612	>
1613		/**
1614	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1614	>	* invokeAll(empty collection) returns empty collection
1615		*/
1616	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1617	<	ThreadPoolExecutor tpe = null;
1618	<	try{
1619	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1620	<	} catch(Exception e){}
1621	<	try{
1622	<	tpe.setMaximumPoolSize(-1);
1623	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1624	<	} catch(IllegalArgumentException success){
1616	>	public void testInvokeAll2() throws InterruptedException {
1617	>	ExecutorService e =
1618	>	new ThreadPoolExecutor(2, 2,
1619	>	LONG_DELAY_MS, MILLISECONDS,
1620	>	new ArrayBlockingQueue<Runnable>(10));
1621	>	try {
1622	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1623	>	assertTrue(r.isEmpty());
1624	>	} finally {
1625	>	joinPool(e);
1626	>	}
1627	>	}
1628	>
1629	>	/**
1630	>	* invokeAll(c) throws NPE if c has null elements
1631	>	*/
1632	>	public void testInvokeAll3() throws Exception {
1633	>	ExecutorService e =
1634	>	new ThreadPoolExecutor(2, 2,
1635	>	LONG_DELAY_MS, MILLISECONDS,
1636	>	new ArrayBlockingQueue<Runnable>(10));
1637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1638	>	l.add(new StringTask());
1639	>	l.add(null);
1640	>	try {
1641	>	e.invokeAll(l);
1642	>	shouldThrow();
1643	>	} catch (NullPointerException success) {
1644		} finally {
1645	<	tpe.shutdown();
1645	>	joinPool(e);
1646		}
570	–	joinPool(tpe);
1647		}
572	–
1648
1649		/**
1650	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
1650	>	* get of element of invokeAll(c) throws exception on failed task
1651		*/
1652	<	public void testKeepAliveTimeIllegalArgumentException(){
1653	<	ThreadPoolExecutor tpe = null;
1654	<	try{
1655	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1656	<	} catch(Exception e){}
1657	<
1658	<	try{
1659	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1660	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1661	<	} catch(IllegalArgumentException success){
1652	>	public void testInvokeAll4() throws Exception {
1653	>	ExecutorService e =
1654	>	new ThreadPoolExecutor(2, 2,
1655	>	LONG_DELAY_MS, MILLISECONDS,
1656	>	new ArrayBlockingQueue<Runnable>(10));
1657	>	try {
1658	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1659	>	l.add(new NPETask());
1660	>	List<Future<String>> futures = e.invokeAll(l);
1661	>	assertEquals(1, futures.size());
1662	>	try {
1663	>	futures.get(0).get();
1664	>	shouldThrow();
1665	>	} catch (ExecutionException success) {
1666	>	assertTrue(success.getCause() instanceof NullPointerException);
1667	>	}
1668	>	} finally {
1669	>	joinPool(e);
1670	>	}
1671	>	}
1672	>
1673	>	/**
1674	>	* invokeAll(c) returns results of all completed tasks
1675	>	*/
1676	>	public void testInvokeAll5() throws Exception {
1677	>	ExecutorService e =
1678	>	new ThreadPoolExecutor(2, 2,
1679	>	LONG_DELAY_MS, MILLISECONDS,
1680	>	new ArrayBlockingQueue<Runnable>(10));
1681	>	try {
1682	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1683	>	l.add(new StringTask());
1684	>	l.add(new StringTask());
1685	>	List<Future<String>> futures = e.invokeAll(l);
1686	>	assertEquals(2, futures.size());
1687	>	for (Future<String> future : futures)
1688	>	assertSame(TEST_STRING, future.get());
1689		} finally {
1690	<	tpe.shutdown();
1690	>	joinPool(e);
1691		}
591	–	joinPool(tpe);
1692		}
1693	<
1693	>
1694	>	/**
1695	>	* timed invokeAny(null) throws NPE
1696	>	*/
1697	>	public void testTimedInvokeAny1() throws Exception {
1698	>	ExecutorService e =
1699	>	new ThreadPoolExecutor(2, 2,
1700	>	LONG_DELAY_MS, MILLISECONDS,
1701	>	new ArrayBlockingQueue<Runnable>(10));
1702	>	try {
1703	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1704	>	shouldThrow();
1705	>	} catch (NullPointerException success) {
1706	>	} finally {
1707	>	joinPool(e);
1708	>	}
1709	>	}
1710	>
1711	>	/**
1712	>	* timed invokeAny(,,null) throws NPE
1713	>	*/
1714	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1715	>	ExecutorService e =
1716	>	new ThreadPoolExecutor(2, 2,
1717	>	LONG_DELAY_MS, MILLISECONDS,
1718	>	new ArrayBlockingQueue<Runnable>(10));
1719	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1720	>	l.add(new StringTask());
1721	>	try {
1722	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1723	>	shouldThrow();
1724	>	} catch (NullPointerException success) {
1725	>	} finally {
1726	>	joinPool(e);
1727	>	}
1728	>	}
1729	>
1730	>	/**
1731	>	* timed invokeAny(empty collection) throws IAE
1732	>	*/
1733	>	public void testTimedInvokeAny2() throws Exception {
1734	>	ExecutorService e =
1735	>	new ThreadPoolExecutor(2, 2,
1736	>	LONG_DELAY_MS, MILLISECONDS,
1737	>	new ArrayBlockingQueue<Runnable>(10));
1738	>	try {
1739	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1740	>	shouldThrow();
1741	>	} catch (IllegalArgumentException success) {
1742	>	} finally {
1743	>	joinPool(e);
1744	>	}
1745	>	}
1746	>
1747	>	/**
1748	>	* timed invokeAny(c) throws NPE if c has null elements
1749	>	*/
1750	>	public void testTimedInvokeAny3() throws Exception {
1751	>	final CountDownLatch latch = new CountDownLatch(1);
1752	>	final ExecutorService e =
1753	>	new ThreadPoolExecutor(2, 2,
1754	>	LONG_DELAY_MS, MILLISECONDS,
1755	>	new ArrayBlockingQueue<Runnable>(10));
1756	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1757	>	l.add(latchAwaitingStringTask(latch));
1758	>	l.add(null);
1759	>	try {
1760	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1761	>	shouldThrow();
1762	>	} catch (NullPointerException success) {
1763	>	} finally {
1764	>	latch.countDown();
1765	>	joinPool(e);
1766	>	}
1767	>	}
1768	>
1769	>	/**
1770	>	* timed invokeAny(c) throws ExecutionException if no task completes
1771	>	*/
1772	>	public void testTimedInvokeAny4() throws Exception {
1773	>	ExecutorService e =
1774	>	new ThreadPoolExecutor(2, 2,
1775	>	LONG_DELAY_MS, MILLISECONDS,
1776	>	new ArrayBlockingQueue<Runnable>(10));
1777	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1778	>	l.add(new NPETask());
1779	>	try {
1780	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1781	>	shouldThrow();
1782	>	} catch (ExecutionException success) {
1783	>	assertTrue(success.getCause() instanceof NullPointerException);
1784	>	} finally {
1785	>	joinPool(e);
1786	>	}
1787	>	}
1788	>
1789	>	/**
1790	>	* timed invokeAny(c) returns result of some task
1791	>	*/
1792	>	public void testTimedInvokeAny5() throws Exception {
1793	>	ExecutorService e =
1794	>	new ThreadPoolExecutor(2, 2,
1795	>	LONG_DELAY_MS, MILLISECONDS,
1796	>	new ArrayBlockingQueue<Runnable>(10));
1797	>	try {
1798	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1799	>	l.add(new StringTask());
1800	>	l.add(new StringTask());
1801	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1802	>	assertSame(TEST_STRING, result);
1803	>	} finally {
1804	>	joinPool(e);
1805	>	}
1806	>	}
1807	>
1808	>	/**
1809	>	* timed invokeAll(null) throws NPE
1810	>	*/
1811	>	public void testTimedInvokeAll1() throws Exception {
1812	>	ExecutorService e =
1813	>	new ThreadPoolExecutor(2, 2,
1814	>	LONG_DELAY_MS, MILLISECONDS,
1815	>	new ArrayBlockingQueue<Runnable>(10));
1816	>	try {
1817	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1818	>	shouldThrow();
1819	>	} catch (NullPointerException success) {
1820	>	} finally {
1821	>	joinPool(e);
1822	>	}
1823	>	}
1824	>
1825	>	/**
1826	>	* timed invokeAll(,,null) throws NPE
1827	>	*/
1828	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1829	>	ExecutorService e =
1830	>	new ThreadPoolExecutor(2, 2,
1831	>	LONG_DELAY_MS, MILLISECONDS,
1832	>	new ArrayBlockingQueue<Runnable>(10));
1833	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1834	>	l.add(new StringTask());
1835	>	try {
1836	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1837	>	shouldThrow();
1838	>	} catch (NullPointerException success) {
1839	>	} finally {
1840	>	joinPool(e);
1841	>	}
1842	>	}
1843	>
1844	>	/**
1845	>	* timed invokeAll(empty collection) returns empty collection
1846	>	*/
1847	>	public void testTimedInvokeAll2() throws InterruptedException {
1848	>	ExecutorService e =
1849	>	new ThreadPoolExecutor(2, 2,
1850	>	LONG_DELAY_MS, MILLISECONDS,
1851	>	new ArrayBlockingQueue<Runnable>(10));
1852	>	try {
1853	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1854	>	assertTrue(r.isEmpty());
1855	>	} finally {
1856	>	joinPool(e);
1857	>	}
1858	>	}
1859	>
1860	>	/**
1861	>	* timed invokeAll(c) throws NPE if c has null elements
1862	>	*/
1863	>	public void testTimedInvokeAll3() throws Exception {
1864	>	ExecutorService e =
1865	>	new ThreadPoolExecutor(2, 2,
1866	>	LONG_DELAY_MS, MILLISECONDS,
1867	>	new ArrayBlockingQueue<Runnable>(10));
1868	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1869	>	l.add(new StringTask());
1870	>	l.add(null);
1871	>	try {
1872	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1873	>	shouldThrow();
1874	>	} catch (NullPointerException success) {
1875	>	} finally {
1876	>	joinPool(e);
1877	>	}
1878	>	}
1879	>
1880	>	/**
1881	>	* get of element of invokeAll(c) throws exception on failed task
1882	>	*/
1883	>	public void testTimedInvokeAll4() throws Exception {
1884	>	ExecutorService e =
1885	>	new ThreadPoolExecutor(2, 2,
1886	>	LONG_DELAY_MS, MILLISECONDS,
1887	>	new ArrayBlockingQueue<Runnable>(10));
1888	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1889	>	l.add(new NPETask());
1890	>	List<Future<String>> futures =
1891	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1892	>	assertEquals(1, futures.size());
1893	>	try {
1894	>	futures.get(0).get();
1895	>	shouldThrow();
1896	>	} catch (ExecutionException success) {
1897	>	assertTrue(success.getCause() instanceof NullPointerException);
1898	>	} finally {
1899	>	joinPool(e);
1900	>	}
1901	>	}
1902	>
1903	>	/**
1904	>	* timed invokeAll(c) returns results of all completed tasks
1905	>	*/
1906	>	public void testTimedInvokeAll5() throws Exception {
1907	>	ExecutorService e =
1908	>	new ThreadPoolExecutor(2, 2,
1909	>	LONG_DELAY_MS, MILLISECONDS,
1910	>	new ArrayBlockingQueue<Runnable>(10));
1911	>	try {
1912	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1913	>	l.add(new StringTask());
1914	>	l.add(new StringTask());
1915	>	List<Future<String>> futures =
1916	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1917	>	assertEquals(2, futures.size());
1918	>	for (Future<String> future : futures)
1919	>	assertSame(TEST_STRING, future.get());
1920	>	} finally {
1921	>	joinPool(e);
1922	>	}
1923	>	}
1924	>
1925	>	/**
1926	>	* timed invokeAll(c) cancels tasks not completed by timeout
1927	>	*/
1928	>	public void testTimedInvokeAll6() throws Exception {
1929	>	ExecutorService e =
1930	>	new ThreadPoolExecutor(2, 2,
1931	>	LONG_DELAY_MS, MILLISECONDS,
1932	>	new ArrayBlockingQueue<Runnable>(10));
1933	>	try {
1934	>	for (long timeout = timeoutMillis();;) {
1935	>	List<Callable<String>> tasks = new ArrayList<>();
1936	>	tasks.add(new StringTask("0"));
1937	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1938	>	tasks.add(new StringTask("2"));
1939	>	long startTime = System.nanoTime();
1940	>	List<Future<String>> futures =
1941	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1942	>	assertEquals(tasks.size(), futures.size());
1943	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1944	>	for (Future future : futures)
1945	>	assertTrue(future.isDone());
1946	>	assertTrue(futures.get(1).isCancelled());
1947	>	try {
1948	>	assertEquals("0", futures.get(0).get());
1949	>	assertEquals("2", futures.get(2).get());
1950	>	break;
1951	>	} catch (CancellationException retryWithLongerTimeout) {
1952	>	timeout *= 2;
1953	>	if (timeout >= LONG_DELAY_MS / 2)
1954	>	fail("expected exactly one task to be cancelled");
1955	>	}
1956	>	}
1957	>	} finally {
1958	>	joinPool(e);
1959	>	}
1960	>	}
1961	>
1962	>	/**
1963	>	* Execution continues if there is at least one thread even if
1964	>	* thread factory fails to create more
1965	>	*/
1966	>	public void testFailingThreadFactory() throws InterruptedException {
1967	>	final ExecutorService e =
1968	>	new ThreadPoolExecutor(100, 100,
1969	>	LONG_DELAY_MS, MILLISECONDS,
1970	>	new LinkedBlockingQueue<Runnable>(),
1971	>	new FailingThreadFactory());
1972	>	try {
1973	>	final int TASKS = 100;
1974	>	final CountDownLatch done = new CountDownLatch(TASKS);
1975	>	for (int k = 0; k < TASKS; ++k)
1976	>	e.execute(new CheckedRunnable() {
1977	>	public void realRun() {
1978	>	done.countDown();
1979	>	}});
1980	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1981	>	} finally {
1982	>	joinPool(e);
1983	>	}
1984	>	}
1985	>
1986	>	/**
1987	>	* allowsCoreThreadTimeOut is by default false.
1988	>	*/
1989	>	public void testAllowsCoreThreadTimeOut() {
1990	>	final ThreadPoolExecutor p =
1991	>	new ThreadPoolExecutor(2, 2,
1992	>	1000, MILLISECONDS,
1993	>	new ArrayBlockingQueue<Runnable>(10));
1994	>	assertFalse(p.allowsCoreThreadTimeOut());
1995	>	joinPool(p);
1996	>	}
1997	>
1998	>	/**
1999	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
2000	>	*/
2001	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
2002	>	long keepAliveTime = timeoutMillis();
2003	>	final ThreadPoolExecutor p =
2004	>	new ThreadPoolExecutor(2, 10,
2005	>	keepAliveTime, MILLISECONDS,
2006	>	new ArrayBlockingQueue<Runnable>(10));
2007	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2008	>	try {
2009	>	p.allowCoreThreadTimeOut(true);
2010	>	p.execute(new CheckedRunnable() {
2011	>	public void realRun() {
2012	>	threadStarted.countDown();
2013	>	assertEquals(1, p.getPoolSize());
2014	>	}});
2015	>	await(threadStarted);
2016	>	delay(keepAliveTime);
2017	>	long startTime = System.nanoTime();
2018	>	while (p.getPoolSize() > 0
2019	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2020	>	Thread.yield();
2021	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2022	>	assertEquals(0, p.getPoolSize());
2023	>	} finally {
2024	>	joinPool(p);
2025	>	}
2026	>	}
2027	>
2028	>	/**
2029	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2030	>	*/
2031	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2032	>	long keepAliveTime = timeoutMillis();
2033	>	final ThreadPoolExecutor p =
2034	>	new ThreadPoolExecutor(2, 10,
2035	>	keepAliveTime, MILLISECONDS,
2036	>	new ArrayBlockingQueue<Runnable>(10));
2037	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2038	>	try {
2039	>	p.allowCoreThreadTimeOut(false);
2040	>	p.execute(new CheckedRunnable() {
2041	>	public void realRun() throws InterruptedException {
2042	>	threadStarted.countDown();
2043	>	assertTrue(p.getPoolSize() >= 1);
2044	>	}});
2045	>	delay(2 * keepAliveTime);
2046	>	assertTrue(p.getPoolSize() >= 1);
2047	>	} finally {
2048	>	joinPool(p);
2049	>	}
2050	>	}
2051	>
2052	>	/**
2053	>	* execute allows the same task to be submitted multiple times, even
2054	>	* if rejected
2055	>	*/
2056	>	public void testRejectedRecycledTask() throws InterruptedException {
2057	>	final int nTasks = 1000;
2058	>	final CountDownLatch done = new CountDownLatch(nTasks);
2059	>	final Runnable recycledTask = new Runnable() {
2060	>	public void run() {
2061	>	done.countDown();
2062	>	}};
2063	>	final ThreadPoolExecutor p =
2064	>	new ThreadPoolExecutor(1, 30,
2065	>	60, SECONDS,
2066	>	new ArrayBlockingQueue(30));
2067	>	try {
2068	>	for (int i = 0; i < nTasks; ++i) {
2069	>	for (;;) {
2070	>	try {
2071	>	p.execute(recycledTask);
2072	>	break;
2073	>	}
2074	>	catch (RejectedExecutionException ignore) {}
2075	>	}
2076	>	}
2077	>	// enough time to run all tasks
2078	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2079	>	} finally {
2080	>	joinPool(p);
2081	>	}
2082	>	}
2083	>
2084	>	/**
2085	>	* get(cancelled task) throws CancellationException
2086	>	*/
2087	>	public void testGet_cancelled() throws Exception {
2088	>	final ExecutorService e =
2089	>	new ThreadPoolExecutor(1, 1,
2090	>	LONG_DELAY_MS, MILLISECONDS,
2091	>	new LinkedBlockingQueue<Runnable>());
2092	>	try {
2093	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2094	>	final CountDownLatch done = new CountDownLatch(1);
2095	>	final List<Future<?>> futures = new ArrayList<>();
2096	>	for (int i = 0; i < 2; i++) {
2097	>	Runnable r = new CheckedRunnable() { public void realRun()
2098	>	throws Throwable {
2099	>	blockerStarted.countDown();
2100	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2101	>	}};
2102	>	futures.add(e.submit(r));
2103	>	}
2104	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2105	>	for (Future<?> future : futures) future.cancel(false);
2106	>	for (Future<?> future : futures) {
2107	>	try {
2108	>	future.get();
2109	>	shouldThrow();
2110	>	} catch (CancellationException success) {}
2111	>	try {
2112	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2113	>	shouldThrow();
2114	>	} catch (CancellationException success) {}
2115	>	assertTrue(future.isCancelled());
2116	>	assertTrue(future.isDone());
2117	>	}
2118	>	done.countDown();
2119	>	} finally {
2120	>	joinPool(e);
2121	>	}
2122	>	}
2123	>
2124		}

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