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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 1.69 by jsr166, Sun Oct 4 01:29:09 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	>
212	>	/**
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214	>	*/
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	<	*   getKeepAliveTime gives correct values
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228	<	public void testGetKeepAliveTime(){
229	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
231	<	joinPool(two);
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
234	>	joinPool(p);
235		}
236	<
236	>
237		/**
238	<	*   getLargestPoolSize gives correct values
238	>	* getThreadFactory returns factory in constructor if not set
239		*/
240	<	public void testGetLargestPoolSize(){
241	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
240	>	public void testGetThreadFactory() {
241	>	ThreadFactory tf = new SimpleThreadFactory();
242	>	final ThreadPoolExecutor p =
243	>	new ThreadPoolExecutor(1, 2,
244	>	LONG_DELAY_MS, MILLISECONDS,
245	>	new ArrayBlockingQueue<Runnable>(10),
246	>	tf,
247	>	new NoOpREHandler());
248	>	assertSame(tf, p.getThreadFactory());
249	>	joinPool(p);
250	>	}
251	>
252	>	/**
253	>	* setThreadFactory sets the thread factory returned by getThreadFactory
254	>	*/
255	>	public void testSetThreadFactory() {
256	>	final ThreadPoolExecutor p =
257	>	new ThreadPoolExecutor(1, 2,
258	>	LONG_DELAY_MS, MILLISECONDS,
259	>	new ArrayBlockingQueue<Runnable>(10));
260	>	ThreadFactory tf = new SimpleThreadFactory();
261	>	p.setThreadFactory(tf);
262	>	assertSame(tf, p.getThreadFactory());
263	>	joinPool(p);
264	>	}
265	>
266	>	/**
267	>	* setThreadFactory(null) throws NPE
268	>	*/
269	>	public void testSetThreadFactoryNull() {
270	>	final ThreadPoolExecutor p =
271	>	new ThreadPoolExecutor(1, 2,
272	>	LONG_DELAY_MS, MILLISECONDS,
273	>	new ArrayBlockingQueue<Runnable>(10));
274		try {
275	<	assertEquals(0, two.getLargestPoolSize());
276	<	two.execute(new MediumRunnable());
277	<	two.execute(new MediumRunnable());
278	<	Thread.sleep(SHORT_DELAY_MS);
279	<	assertEquals(2, two.getLargestPoolSize());
280	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
275	>	p.setThreadFactory(null);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {
278	>	} finally {
279	>	joinPool(p);
280	>	}
281		}
282	<
282	>
283		/**
284	<	*   getMaximumPoolSize gives correct values
284	>	* getRejectedExecutionHandler returns handler in constructor if not set
285		*/
286	<	public void testGetMaximumPoolSize(){
287	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
288	<	assertEquals(2, two.getMaximumPoolSize());
289	<	joinPool(two);
286	>	public void testGetRejectedExecutionHandler() {
287	>	final RejectedExecutionHandler h = new NoOpREHandler();
288	>	final ThreadPoolExecutor p =
289	>	new ThreadPoolExecutor(1, 2,
290	>	LONG_DELAY_MS, MILLISECONDS,
291	>	new ArrayBlockingQueue<Runnable>(10),
292	>	h);
293	>	assertSame(h, p.getRejectedExecutionHandler());
294	>	joinPool(p);
295		}
296	<
296	>
297		/**
298	<	*   getPoolSize gives correct values
298	>	* setRejectedExecutionHandler sets the handler returned by
299	>	* getRejectedExecutionHandler
300		*/
301	<	public void testGetPoolSize(){
302	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
303	<	assertEquals(0, one.getPoolSize());
304	<	one.execute(new MediumRunnable());
305	<	assertEquals(1, one.getPoolSize());
306	<	joinPool(one);
301	>	public void testSetRejectedExecutionHandler() {
302	>	final ThreadPoolExecutor p =
303	>	new ThreadPoolExecutor(1, 2,
304	>	LONG_DELAY_MS, MILLISECONDS,
305	>	new ArrayBlockingQueue<Runnable>(10));
306	>	RejectedExecutionHandler h = new NoOpREHandler();
307	>	p.setRejectedExecutionHandler(h);
308	>	assertSame(h, p.getRejectedExecutionHandler());
309	>	joinPool(p);
310		}
311	<
311	>
312		/**
313	<	*   getTaskCount gives correct values
313	>	* setRejectedExecutionHandler(null) throws NPE
314		*/
315	<	public void testGetTaskCount(){
316	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315	>	public void testSetRejectedExecutionHandlerNull() {
316	>	final ThreadPoolExecutor p =
317	>	new ThreadPoolExecutor(1, 2,
318	>	LONG_DELAY_MS, MILLISECONDS,
319	>	new ArrayBlockingQueue<Runnable>(10));
320		try {
321	<	assertEquals(0, one.getTaskCount());
322	<	for(int i = 0; i < 5; i++)
323	<	one.execute(new MediumRunnable());
324	<	Thread.sleep(SHORT_DELAY_MS);
325	<	assertEquals(5, one.getTaskCount());
326	<	} catch(Exception e){
158	<	fail("unexpected exception");
159	<	}
160	<	joinPool(one);
321	>	p.setRejectedExecutionHandler(null);
322	>	shouldThrow();
323	>	} catch (NullPointerException success) {
324	>	} finally {
325	>	joinPool(p);
326	>	}
327		}
328	<
328	>
329		/**
330	<	*   isShutDown gives correct values
330	>	* getLargestPoolSize increases, but doesn't overestimate, when
331	>	* multiple threads active
332		*/
333	<	public void testIsShutdown(){
334	<
335	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
336	<	assertFalse(one.isShutdown());
337	<	one.shutdown();
338	<	assertTrue(one.isShutdown());
339	<	joinPool(one);
333	>	public void testGetLargestPoolSize() throws InterruptedException {
334	>	final int THREADS = 3;
335	>	final ThreadPoolExecutor p =
336	>	new ThreadPoolExecutor(THREADS, THREADS,
337	>	LONG_DELAY_MS, MILLISECONDS,
338	>	new ArrayBlockingQueue<Runnable>(10));
339	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
340	>	final CountDownLatch done = new CountDownLatch(1);
341	>	try {
342	>	assertEquals(0, p.getLargestPoolSize());
343	>	for (int i = 0; i < THREADS; i++)
344	>	p.execute(new CheckedRunnable() {
345	>	public void realRun() throws InterruptedException {
346	>	threadsStarted.countDown();
347	>	done.await();
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	}});
350	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	} finally {
353	>	done.countDown();
354	>	joinPool(p);
355	>	assertEquals(THREADS, p.getLargestPoolSize());
356	>	}
357	>	}
358	>
359	>	/**
360	>	* getMaximumPoolSize returns value given in constructor if not
361	>	* otherwise set
362	>	*/
363	>	public void testGetMaximumPoolSize() {
364	>	final ThreadPoolExecutor p =
365	>	new ThreadPoolExecutor(2, 3,
366	>	LONG_DELAY_MS, MILLISECONDS,
367	>	new ArrayBlockingQueue<Runnable>(10));
368	>	assertEquals(3, p.getMaximumPoolSize());
369	>	joinPool(p);
370		}
371
175	–
372		/**
373	<	*   isTerminated gives correct values
374	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375		*/
376	<	public void testIsTerminated(){
377	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	final CountDownLatch threadStarted = new CountDownLatch(1);
382	>	final CountDownLatch done = new CountDownLatch(1);
383		try {
384	<	one.execute(new MediumRunnable());
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393		} finally {
394	<	one.shutdown();
394	>	done.countDown();
395	>	joinPool(p);
396		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
397		}
398
399		/**
400	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
400	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
401		*/
402	<	public void testPurge(){
403	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
404	<	CancellableTask[] tasks = new CancellableTask[5];
405	<	for(int i = 0; i < 5; i++){
406	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
407	<	one.execute(tasks[i]);
402	>	public void testGetTaskCount() throws InterruptedException {
403	>	final ThreadPoolExecutor p =
404	>	new ThreadPoolExecutor(1, 1,
405	>	LONG_DELAY_MS, MILLISECONDS,
406	>	new ArrayBlockingQueue<Runnable>(10));
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	try {
410	>	assertEquals(0, p.getTaskCount());
411	>	p.execute(new CheckedRunnable() {
412	>	public void realRun() throws InterruptedException {
413	>	threadStarted.countDown();
414	>	assertEquals(1, p.getTaskCount());
415	>	done.await();
416	>	}});
417	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
418	>	assertEquals(1, p.getTaskCount());
419	>	} finally {
420	>	done.countDown();
421	>	joinPool(p);
422		}
207	–	tasks[4].cancel(true);
208	–	tasks[3].cancel(true);
209	–	one.purge();
210	–	long count = one.getTaskCount();
211	–	assertTrue(count >= 2 && count < 5);
212	–	joinPool(one);
423		}
424
425		/**
426	<	*   shutDownNow returns a list
427	<	*  containing the correct number of elements
426	>	* isShutdown is false before shutdown, true after
427	>	*/
428	>	public void testIsShutdown() {
429	>	final ThreadPoolExecutor p =
430	>	new ThreadPoolExecutor(1, 1,
431	>	LONG_DELAY_MS, MILLISECONDS,
432	>	new ArrayBlockingQueue<Runnable>(10));
433	>	assertFalse(p.isShutdown());
434	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
435	>	assertTrue(p.isShutdown());
436	>	joinPool(p);
437	>	}
438	>
439	>	/**
440	>	* awaitTermination on a non-shutdown pool times out
441	>	*/
442	>	public void testAwaitTermination_timesOut() throws InterruptedException {
443	>	final ThreadPoolExecutor p =
444	>	new ThreadPoolExecutor(1, 1,
445	>	LONG_DELAY_MS, MILLISECONDS,
446	>	new ArrayBlockingQueue<Runnable>(10));
447	>	assertFalse(p.isTerminated());
448	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
452	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
453	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
454	>	long timeoutNanos = 999999L;
455	>	long startTime = System.nanoTime();
456	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
457	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
458	>	assertFalse(p.isTerminated());
459	>	startTime = System.nanoTime();
460	>	long timeoutMillis = timeoutMillis();
461	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
462	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
463	>	assertFalse(p.isTerminated());
464	>	p.shutdown();
465	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
466	>	assertTrue(p.isTerminated());
467	>	}
468	>
469	>	/**
470	>	* isTerminated is false before termination, true after
471		*/
472	<	public void testShutDownNow(){
473	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
474	<	List l;
472	>	public void testIsTerminated() throws InterruptedException {
473	>	final ThreadPoolExecutor p =
474	>	new ThreadPoolExecutor(1, 1,
475	>	LONG_DELAY_MS, MILLISECONDS,
476	>	new ArrayBlockingQueue<Runnable>(10));
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminated());
480		try {
481	<	for(int i = 0; i < 5; i++)
482	<	one.execute(new MediumPossiblyInterruptedRunnable());
481	>	p.execute(new CheckedRunnable() {
482	>	public void realRun() throws InterruptedException {
483	>	assertFalse(p.isTerminated());
484	>	threadStarted.countDown();
485	>	done.await();
486	>	}});
487	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
488	>	assertFalse(p.isTerminating());
489	>	done.countDown();
490	>	} finally {
491	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
492		}
493	<	finally {
494	<	l = one.shutdownNow();
493	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	>	assertTrue(p.isTerminated());
495	>	}
496	>
497	>	/**
498	>	* isTerminating is not true when running or when terminated
499	>	*/
500	>	public void testIsTerminating() throws InterruptedException {
501	>	final ThreadPoolExecutor p =
502	>	new ThreadPoolExecutor(1, 1,
503	>	LONG_DELAY_MS, MILLISECONDS,
504	>	new ArrayBlockingQueue<Runnable>(10));
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	try {
508	>	assertFalse(p.isTerminating());
509	>	p.execute(new CheckedRunnable() {
510	>	public void realRun() throws InterruptedException {
511	>	assertFalse(p.isTerminating());
512	>	threadStarted.countDown();
513	>	done.await();
514	>	}});
515	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
516	>	assertFalse(p.isTerminating());
517	>	done.countDown();
518	>	} finally {
519	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
520		}
521	<	assertTrue(one.isShutdown());
522	<	assertTrue(l.size() <= 4);
521	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
522	>	assertTrue(p.isTerminated());
523	>	assertFalse(p.isTerminating());
524	>	}
525	>
526	>	/**
527	>	* getQueue returns the work queue, which contains queued tasks
528	>	*/
529	>	public void testGetQueue() throws InterruptedException {
530	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
531	>	final ThreadPoolExecutor p =
532	>	new ThreadPoolExecutor(1, 1,
533	>	LONG_DELAY_MS, MILLISECONDS,
534	>	q);
535	>	final CountDownLatch threadStarted = new CountDownLatch(1);
536	>	final CountDownLatch done = new CountDownLatch(1);
537	>	try {
538	>	FutureTask[] tasks = new FutureTask[5];
539	>	for (int i = 0; i < tasks.length; i++) {
540	>	Callable task = new CheckedCallable<Boolean>() {
541	>	public Boolean realCall() throws InterruptedException {
542	>	threadStarted.countDown();
543	>	assertSame(q, p.getQueue());
544	>	done.await();
545	>	return Boolean.TRUE;
546	>	}};
547	>	tasks[i] = new FutureTask(task);
548	>	p.execute(tasks[i]);
549	>	}
550	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551	>	assertSame(q, p.getQueue());
552	>	assertFalse(q.contains(tasks[0]));
553	>	assertTrue(q.contains(tasks[tasks.length - 1]));
554	>	assertEquals(tasks.length - 1, q.size());
555	>	} finally {
556	>	done.countDown();
557	>	joinPool(p);
558	>	}
559	>	}
560	>
561	>	/**
562	>	* remove(task) removes queued task, and fails to remove active task
563	>	*/
564	>	public void testRemove() throws InterruptedException {
565	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
566	>	final ThreadPoolExecutor p =
567	>	new ThreadPoolExecutor(1, 1,
568	>	LONG_DELAY_MS, MILLISECONDS,
569	>	q);
570	>	Runnable[] tasks = new Runnable[5];
571	>	final CountDownLatch threadStarted = new CountDownLatch(1);
572	>	final CountDownLatch done = new CountDownLatch(1);
573	>	try {
574	>	for (int i = 0; i < tasks.length; i++) {
575	>	tasks[i] = new CheckedRunnable() {
576	>	public void realRun() throws InterruptedException {
577	>	threadStarted.countDown();
578	>	done.await();
579	>	}};
580	>	p.execute(tasks[i]);
581	>	}
582	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
583	>	assertFalse(p.remove(tasks[0]));
584	>	assertTrue(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[4]));
587	>	assertFalse(p.remove(tasks[4]));
588	>	assertFalse(q.contains(tasks[4]));
589	>	assertTrue(q.contains(tasks[3]));
590	>	assertTrue(p.remove(tasks[3]));
591	>	assertFalse(q.contains(tasks[3]));
592	>	} finally {
593	>	done.countDown();
594	>	joinPool(p);
595	>	}
596	>	}
597	>
598	>	/**
599	>	* purge removes cancelled tasks from the queue
600	>	*/
601	>	public void testPurge() throws InterruptedException {
602	>	final CountDownLatch threadStarted = new CountDownLatch(1);
603	>	final CountDownLatch done = new CountDownLatch(1);
604	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
605	>	final ThreadPoolExecutor p =
606	>	new ThreadPoolExecutor(1, 1,
607	>	LONG_DELAY_MS, MILLISECONDS,
608	>	q);
609	>	FutureTask[] tasks = new FutureTask[5];
610	>	try {
611	>	for (int i = 0; i < tasks.length; i++) {
612	>	Callable task = new CheckedCallable<Boolean>() {
613	>	public Boolean realCall() throws InterruptedException {
614	>	threadStarted.countDown();
615	>	done.await();
616	>	return Boolean.TRUE;
617	>	}};
618	>	tasks[i] = new FutureTask(task);
619	>	p.execute(tasks[i]);
620	>	}
621	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
622	>	assertEquals(tasks.length, p.getTaskCount());
623	>	assertEquals(tasks.length - 1, q.size());
624	>	assertEquals(1L, p.getActiveCount());
625	>	assertEquals(0L, p.getCompletedTaskCount());
626	>	tasks[4].cancel(true);
627	>	tasks[3].cancel(false);
628	>	p.purge();
629	>	assertEquals(tasks.length - 3, q.size());
630	>	assertEquals(tasks.length - 2, p.getTaskCount());
631	>	p.purge();         // Nothing to do
632	>	assertEquals(tasks.length - 3, q.size());
633	>	assertEquals(tasks.length - 2, p.getTaskCount());
634	>	} finally {
635	>	done.countDown();
636	>	joinPool(p);
637	>	}
638	>	}
639	>
640	>	/**
641	>	* shutdownNow returns a list containing tasks that were not run,
642	>	* and those tasks are drained from the queue
643	>	*/
644	>	public void testShutdownNow() throws InterruptedException {
645	>	final int poolSize = 2;
646	>	final int count = 5;
647	>	final AtomicInteger ran = new AtomicInteger(0);
648	>	final ThreadPoolExecutor p =
649	>	new ThreadPoolExecutor(poolSize, poolSize,
650	>	LONG_DELAY_MS, MILLISECONDS,
651	>	new ArrayBlockingQueue<Runnable>(10));
652	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
653	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
654	>	threadsStarted.countDown();
655	>	try {
656	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
657	>	} catch (InterruptedException success) {}
658	>	ran.getAndIncrement();
659	>	}};
660	>	for (int i = 0; i < count; i++)
661	>	p.execute(waiter);
662	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
663	>	assertEquals(poolSize, p.getActiveCount());
664	>	assertEquals(0, p.getCompletedTaskCount());
665	>	final List<Runnable> queuedTasks;
666	>	try {
667	>	queuedTasks = p.shutdownNow();
668	>	} catch (SecurityException ok) {
669	>	return; // Allowed in case test doesn't have privs
670	>	}
671	>	assertTrue(p.isShutdown());
672	>	assertTrue(p.getQueue().isEmpty());
673	>	assertEquals(count - poolSize, queuedTasks.size());
674	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
675	>	assertTrue(p.isTerminated());
676	>	assertEquals(poolSize, ran.get());
677	>	assertEquals(poolSize, p.getCompletedTaskCount());
678		}
679
680		// Exception Tests
234	–
681
682	<	/** Throws if corePoolSize argument is less than zero */
682	>	/**
683	>	* Constructor throws if corePoolSize argument is less than zero
684	>	*/
685		public void testConstructor1() {
686	<	try{
687	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
688	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
689	<	}
690	<	catch (IllegalArgumentException success){}
686	>	try {
687	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
688	>	new ArrayBlockingQueue<Runnable>(10));
689	>	shouldThrow();
690	>	} catch (IllegalArgumentException success) {}
691		}
692	<
693	<	/** Throws if maximumPoolSize is less than zero */
692	>
693	>	/**
694	>	* Constructor throws if maximumPoolSize is less than zero
695	>	*/
696		public void testConstructor2() {
697	<	try{
698	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
699	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
700	<	}
701	<	catch (IllegalArgumentException success){}
697	>	try {
698	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
699	>	new ArrayBlockingQueue<Runnable>(10));
700	>	shouldThrow();
701	>	} catch (IllegalArgumentException success) {}
702		}
703	<
704	<	/** Throws if maximumPoolSize is equal to zero */
703	>
704	>	/**
705	>	* Constructor throws if maximumPoolSize is equal to zero
706	>	*/
707		public void testConstructor3() {
708	<	try{
709	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
710	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
711	<	}
712	<	catch (IllegalArgumentException success){}
708	>	try {
709	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
710	>	new ArrayBlockingQueue<Runnable>(10));
711	>	shouldThrow();
712	>	} catch (IllegalArgumentException success) {}
713		}
714
715	<	/** Throws if keepAliveTime is less than zero */
715	>	/**
716	>	* Constructor throws if keepAliveTime is less than zero
717	>	*/
718		public void testConstructor4() {
719	<	try{
720	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
721	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
722	<	}
723	<	catch (IllegalArgumentException success){}
719	>	try {
720	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
721	>	new ArrayBlockingQueue<Runnable>(10));
722	>	shouldThrow();
723	>	} catch (IllegalArgumentException success) {}
724		}
725
726	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
726	>	/**
727	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
728	>	*/
729		public void testConstructor5() {
730	<	try{
731	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
732	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
733	<	}
734	<	catch (IllegalArgumentException success){}
730	>	try {
731	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
732	>	new ArrayBlockingQueue<Runnable>(10));
733	>	shouldThrow();
734	>	} catch (IllegalArgumentException success) {}
735		}
736	<
737	<	/** Throws if workQueue is set to null */
738	<	public void testNullPointerException() {
739	<	try{
740	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
741	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
742	<	}
743	<	catch (NullPointerException success){}
736	>
737	>	/**
738	>	* Constructor throws if workQueue is set to null
739	>	*/
740	>	public void testConstructorNullPointerException() {
741	>	try {
742	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
743	>	(BlockingQueue) null);
744	>	shouldThrow();
745	>	} catch (NullPointerException success) {}
746		}
289	–
747
748	<
749	<	/** Throws if corePoolSize argument is less than zero */
748	>	/**
749	>	* Constructor throws if corePoolSize argument is less than zero
750	>	*/
751		public void testConstructor6() {
752	<	try{
753	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
754	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
755	<	} catch (IllegalArgumentException success){}
752	>	try {
753	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
754	>	new ArrayBlockingQueue<Runnable>(10),
755	>	new SimpleThreadFactory());
756	>	shouldThrow();
757	>	} catch (IllegalArgumentException success) {}
758		}
759	<
760	<	/** Throws if maximumPoolSize is less than zero */
759	>
760	>	/**
761	>	* Constructor throws if maximumPoolSize is less than zero
762	>	*/
763		public void testConstructor7() {
764	<	try{
765	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
766	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
767	<	}
768	<	catch (IllegalArgumentException success){}
764	>	try {
765	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
766	>	new ArrayBlockingQueue<Runnable>(10),
767	>	new SimpleThreadFactory());
768	>	shouldThrow();
769	>	} catch (IllegalArgumentException success) {}
770		}
771
772	<	/** Throws if maximumPoolSize is equal to zero */
772	>	/**
773	>	* Constructor throws if maximumPoolSize is equal to zero
774	>	*/
775		public void testConstructor8() {
776	<	try{
777	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
778	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
779	<	}
780	<	catch (IllegalArgumentException success){}
776	>	try {
777	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
778	>	new ArrayBlockingQueue<Runnable>(10),
779	>	new SimpleThreadFactory());
780	>	shouldThrow();
781	>	} catch (IllegalArgumentException success) {}
782		}
783
784	<	/** Throws if keepAliveTime is less than zero */
784	>	/**
785	>	* Constructor throws if keepAliveTime is less than zero
786	>	*/
787		public void testConstructor9() {
788	<	try{
789	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
790	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
791	<	}
792	<	catch (IllegalArgumentException success){}
788	>	try {
789	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
790	>	new ArrayBlockingQueue<Runnable>(10),
791	>	new SimpleThreadFactory());
792	>	shouldThrow();
793	>	} catch (IllegalArgumentException success) {}
794		}
795
796	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
796	>	/**
797	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
798	>	*/
799		public void testConstructor10() {
800	<	try{
801	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
802	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
800	>	try {
801	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
802	>	new ArrayBlockingQueue<Runnable>(10),
803	>	new SimpleThreadFactory());
804	>	shouldThrow();
805	>	} catch (IllegalArgumentException success) {}
806	>	}
807	>
808	>	/**
809	>	* Constructor throws if workQueue is set to null
810	>	*/
811	>	public void testConstructorNullPointerException2() {
812	>	try {
813	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
814	>	(BlockingQueue) null,
815	>	new SimpleThreadFactory());
816	>	shouldThrow();
817	>	} catch (NullPointerException success) {}
818	>	}
819	>
820	>	/**
821	>	* Constructor throws if threadFactory is set to null
822	>	*/
823	>	public void testConstructorNullPointerException3() {
824	>	try {
825	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
826	>	new ArrayBlockingQueue<Runnable>(10),
827	>	(ThreadFactory) null);
828	>	shouldThrow();
829	>	} catch (NullPointerException success) {}
830	>	}
831	>
832	>	/**
833	>	* Constructor throws if corePoolSize argument is less than zero
834	>	*/
835	>	public void testConstructor11() {
836	>	try {
837	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
838	>	new ArrayBlockingQueue<Runnable>(10),
839	>	new NoOpREHandler());
840	>	shouldThrow();
841	>	} catch (IllegalArgumentException success) {}
842	>	}
843	>
844	>	/**
845	>	* Constructor throws if maximumPoolSize is less than zero
846	>	*/
847	>	public void testConstructor12() {
848	>	try {
849	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
850	>	new ArrayBlockingQueue<Runnable>(10),
851	>	new NoOpREHandler());
852	>	shouldThrow();
853	>	} catch (IllegalArgumentException success) {}
854	>	}
855	>
856	>	/**
857	>	* Constructor throws if maximumPoolSize is equal to zero
858	>	*/
859	>	public void testConstructor13() {
860	>	try {
861	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
862	>	new ArrayBlockingQueue<Runnable>(10),
863	>	new NoOpREHandler());
864	>	shouldThrow();
865	>	} catch (IllegalArgumentException success) {}
866	>	}
867	>
868	>	/**
869	>	* Constructor throws if keepAliveTime is less than zero
870	>	*/
871	>	public void testConstructor14() {
872	>	try {
873	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
874	>	new ArrayBlockingQueue<Runnable>(10),
875	>	new NoOpREHandler());
876	>	shouldThrow();
877	>	} catch (IllegalArgumentException success) {}
878	>	}
879	>
880	>	/**
881	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
882	>	*/
883	>	public void testConstructor15() {
884	>	try {
885	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
886	>	new ArrayBlockingQueue<Runnable>(10),
887	>	new NoOpREHandler());
888	>	shouldThrow();
889	>	} catch (IllegalArgumentException success) {}
890	>	}
891	>
892	>	/**
893	>	* Constructor throws if workQueue is set to null
894	>	*/
895	>	public void testConstructorNullPointerException4() {
896	>	try {
897	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
898	>	(BlockingQueue) null,
899	>	new NoOpREHandler());
900	>	shouldThrow();
901	>	} catch (NullPointerException success) {}
902	>	}
903	>
904	>	/**
905	>	* Constructor throws if handler is set to null
906	>	*/
907	>	public void testConstructorNullPointerException5() {
908	>	try {
909	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
910	>	new ArrayBlockingQueue<Runnable>(10),
911	>	(RejectedExecutionHandler) null);
912	>	shouldThrow();
913	>	} catch (NullPointerException success) {}
914	>	}
915	>
916	>	/**
917	>	* Constructor throws if corePoolSize argument is less than zero
918	>	*/
919	>	public void testConstructor16() {
920	>	try {
921	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
922	>	new ArrayBlockingQueue<Runnable>(10),
923	>	new SimpleThreadFactory(),
924	>	new NoOpREHandler());
925	>	shouldThrow();
926	>	} catch (IllegalArgumentException success) {}
927	>	}
928	>
929	>	/**
930	>	* Constructor throws if maximumPoolSize is less than zero
931	>	*/
932	>	public void testConstructor17() {
933	>	try {
934	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
935	>	new ArrayBlockingQueue<Runnable>(10),
936	>	new SimpleThreadFactory(),
937	>	new NoOpREHandler());
938	>	shouldThrow();
939	>	} catch (IllegalArgumentException success) {}
940	>	}
941	>
942	>	/**
943	>	* Constructor throws if maximumPoolSize is equal to zero
944	>	*/
945	>	public void testConstructor18() {
946	>	try {
947	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
948	>	new ArrayBlockingQueue<Runnable>(10),
949	>	new SimpleThreadFactory(),
950	>	new NoOpREHandler());
951	>	shouldThrow();
952	>	} catch (IllegalArgumentException success) {}
953	>	}
954	>
955	>	/**
956	>	* Constructor throws if keepAliveTime is less than zero
957	>	*/
958	>	public void testConstructor19() {
959	>	try {
960	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
961	>	new ArrayBlockingQueue<Runnable>(10),
962	>	new SimpleThreadFactory(),
963	>	new NoOpREHandler());
964	>	shouldThrow();
965	>	} catch (IllegalArgumentException success) {}
966	>	}
967	>
968	>	/**
969	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
970	>	*/
971	>	public void testConstructor20() {
972	>	try {
973	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
974	>	new ArrayBlockingQueue<Runnable>(10),
975	>	new SimpleThreadFactory(),
976	>	new NoOpREHandler());
977	>	shouldThrow();
978	>	} catch (IllegalArgumentException success) {}
979	>	}
980	>
981	>	/**
982	>	* Constructor throws if workQueue is null
983	>	*/
984	>	public void testConstructorNullPointerException6() {
985	>	try {
986	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
987	>	(BlockingQueue) null,
988	>	new SimpleThreadFactory(),
989	>	new NoOpREHandler());
990	>	shouldThrow();
991	>	} catch (NullPointerException success) {}
992	>	}
993	>
994	>	/**
995	>	* Constructor throws if handler is null
996	>	*/
997	>	public void testConstructorNullPointerException7() {
998	>	try {
999	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1000	>	new ArrayBlockingQueue<Runnable>(10),
1001	>	new SimpleThreadFactory(),
1002	>	(RejectedExecutionHandler) null);
1003	>	shouldThrow();
1004	>	} catch (NullPointerException success) {}
1005	>	}
1006	>
1007	>	/**
1008	>	* Constructor throws if ThreadFactory is null
1009	>	*/
1010	>	public void testConstructorNullPointerException8() {
1011	>	try {
1012	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1013	>	new ArrayBlockingQueue<Runnable>(10),
1014	>	(ThreadFactory) null,
1015	>	new NoOpREHandler());
1016	>	shouldThrow();
1017	>	} catch (NullPointerException success) {}
1018	>	}
1019	>
1020	>	/**
1021	>	* get of submitted callable throws InterruptedException if interrupted
1022	>	*/
1023	>	public void testInterruptedSubmit() throws InterruptedException {
1024	>	final ThreadPoolExecutor p =
1025	>	new ThreadPoolExecutor(1, 1,
1026	>	60, SECONDS,
1027	>	new ArrayBlockingQueue<Runnable>(10));
1028	>
1029	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1030	>	final CountDownLatch done = new CountDownLatch(1);
1031	>	try {
1032	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1033	>	public void realRun() throws Exception {
1034	>	Callable task = new CheckedCallable<Boolean>() {
1035	>	public Boolean realCall() throws InterruptedException {
1036	>	threadStarted.countDown();
1037	>	done.await();
1038	>	return Boolean.TRUE;
1039	>	}};
1040	>	p.submit(task).get();
1041	>	}});
1042	>
1043	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1044	>	t.interrupt();
1045	>	awaitTermination(t, MEDIUM_DELAY_MS);
1046	>	} finally {
1047	>	done.countDown();
1048	>	joinPool(p);
1049		}
333	–	catch (IllegalArgumentException success){}
1050		}
1051
1052	<	/** Throws if workQueue is set to null */
1053	<	public void testNullPointerException2() {
1054	<	try{
1055	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1056	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1052	>	/**
1053	>	* execute throws RejectedExecutionException if saturated.
1054	>	*/
1055	>	public void testSaturatedExecute() {
1056	>	ThreadPoolExecutor p =
1057	>	new ThreadPoolExecutor(1, 1,
1058	>	LONG_DELAY_MS, MILLISECONDS,
1059	>	new ArrayBlockingQueue<Runnable>(1));
1060	>	final CountDownLatch done = new CountDownLatch(1);
1061	>	try {
1062	>	Runnable task = new CheckedRunnable() {
1063	>	public void realRun() throws InterruptedException {
1064	>	done.await();
1065	>	}};
1066	>	for (int i = 0; i < 2; ++i)
1067	>	p.execute(task);
1068	>	for (int i = 0; i < 2; ++i) {
1069	>	try {
1070	>	p.execute(task);
1071	>	shouldThrow();
1072	>	} catch (RejectedExecutionException success) {}
1073	>	assertTrue(p.getTaskCount() <= 2);
1074	>	}
1075	>	} finally {
1076	>	done.countDown();
1077	>	joinPool(p);
1078		}
342	–	catch (NullPointerException success){}
1079		}
1080
1081	<	/** Throws if threadFactory is set to null */
1082	<	public void testNullPointerException3() {
1083	<	try{
1084	<	ThreadFactory f = null;
1085	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1086	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1081	>	/**
1082	>	* submit(runnable) throws RejectedExecutionException if saturated.
1083	>	*/
1084	>	public void testSaturatedSubmitRunnable() {
1085	>	ThreadPoolExecutor p =
1086	>	new ThreadPoolExecutor(1, 1,
1087	>	LONG_DELAY_MS, MILLISECONDS,
1088	>	new ArrayBlockingQueue<Runnable>(1));
1089	>	final CountDownLatch done = new CountDownLatch(1);
1090	>	try {
1091	>	Runnable task = new CheckedRunnable() {
1092	>	public void realRun() throws InterruptedException {
1093	>	done.await();
1094	>	}};
1095	>	for (int i = 0; i < 2; ++i)
1096	>	p.submit(task);
1097	>	for (int i = 0; i < 2; ++i) {
1098	>	try {
1099	>	p.execute(task);
1100	>	shouldThrow();
1101	>	} catch (RejectedExecutionException success) {}
1102	>	assertTrue(p.getTaskCount() <= 2);
1103	>	}
1104	>	} finally {
1105	>	done.countDown();
1106	>	joinPool(p);
1107		}
352	–	catch (NullPointerException success){}
1108		}
1109	<
1110	<
1111	<	/** Throws if corePoolSize argument is less than zero */
1112	<	public void testConstructor11() {
1113	<	try{
1114	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1115	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1109	>
1110	>	/**
1111	>	* submit(callable) throws RejectedExecutionException if saturated.
1112	>	*/
1113	>	public void testSaturatedSubmitCallable() {
1114	>	ThreadPoolExecutor p =
1115	>	new ThreadPoolExecutor(1, 1,
1116	>	LONG_DELAY_MS, MILLISECONDS,
1117	>	new ArrayBlockingQueue<Runnable>(1));
1118	>	final CountDownLatch done = new CountDownLatch(1);
1119	>	try {
1120	>	Runnable task = new CheckedRunnable() {
1121	>	public void realRun() throws InterruptedException {
1122	>	done.await();
1123	>	}};
1124	>	for (int i = 0; i < 2; ++i)
1125	>	p.submit(Executors.callable(task));
1126	>	for (int i = 0; i < 2; ++i) {
1127	>	try {
1128	>	p.execute(task);
1129	>	shouldThrow();
1130	>	} catch (RejectedExecutionException success) {}
1131	>	assertTrue(p.getTaskCount() <= 2);
1132	>	}
1133	>	} finally {
1134	>	done.countDown();
1135	>	joinPool(p);
1136		}
362	–	catch (IllegalArgumentException success){}
1137		}
1138
1139	<	/** Throws if maximumPoolSize is less than zero */
1140	<	public void testConstructor12() {
1141	<	try{
1142	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1143	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1139	>	/**
1140	>	* executor using CallerRunsPolicy runs task if saturated.
1141	>	*/
1142	>	public void testSaturatedExecute2() {
1143	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1144	>	final ThreadPoolExecutor p =
1145	>	new ThreadPoolExecutor(1, 1,
1146	>	LONG_DELAY_MS,
1147	>	MILLISECONDS,
1148	>	new ArrayBlockingQueue<Runnable>(1),
1149	>	h);
1150	>	try {
1151	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1152	>	for (int i = 0; i < tasks.length; ++i)
1153	>	tasks[i] = new TrackedNoOpRunnable();
1154	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1155	>	p.execute(mr);
1156	>	for (int i = 0; i < tasks.length; ++i)
1157	>	p.execute(tasks[i]);
1158	>	for (int i = 1; i < tasks.length; ++i)
1159	>	assertTrue(tasks[i].done);
1160	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1161	>	} finally {
1162	>	joinPool(p);
1163		}
371	–	catch (IllegalArgumentException success){}
1164		}
1165
1166	<	/** Throws if maximumPoolSize is equal to zero */
1167	<	public void testConstructor13() {
1168	<	try{
1169	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1170	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1166	>	/**
1167	>	* executor using DiscardPolicy drops task if saturated.
1168	>	*/
1169	>	public void testSaturatedExecute3() {
1170	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1171	>	final ThreadPoolExecutor p =
1172	>	new ThreadPoolExecutor(1, 1,
1173	>	LONG_DELAY_MS, MILLISECONDS,
1174	>	new ArrayBlockingQueue<Runnable>(1),
1175	>	h);
1176	>	try {
1177	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1178	>	for (int i = 0; i < tasks.length; ++i)
1179	>	tasks[i] = new TrackedNoOpRunnable();
1180	>	p.execute(new TrackedLongRunnable());
1181	>	for (TrackedNoOpRunnable task : tasks)
1182	>	p.execute(task);
1183	>	for (TrackedNoOpRunnable task : tasks)
1184	>	assertFalse(task.done);
1185	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1186	>	} finally {
1187	>	joinPool(p);
1188		}
380	–	catch (IllegalArgumentException success){}
1189		}
1190
1191	<	/** Throws if keepAliveTime is less than zero */
1192	<	public void testConstructor14() {
1193	<	try{
1194	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1195	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1191	>	/**
1192	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1193	>	*/
1194	>	public void testSaturatedExecute4() {
1195	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1196	>	final ThreadPoolExecutor p =
1197	>	new ThreadPoolExecutor(1, 1,
1198	>	LONG_DELAY_MS, MILLISECONDS,
1199	>	new ArrayBlockingQueue<Runnable>(1),
1200	>	h);
1201	>	try {
1202	>	p.execute(new TrackedLongRunnable());
1203	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1204	>	p.execute(r2);
1205	>	assertTrue(p.getQueue().contains(r2));
1206	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1207	>	p.execute(r3);
1208	>	assertFalse(p.getQueue().contains(r2));
1209	>	assertTrue(p.getQueue().contains(r3));
1210	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1211	>	} finally {
1212	>	joinPool(p);
1213		}
389	–	catch (IllegalArgumentException success){}
1214		}
1215
1216	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1217	<	public void testConstructor15() {
1218	<	try{
1219	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1220	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1216	>	/**
1217	>	* execute throws RejectedExecutionException if shutdown
1218	>	*/
1219	>	public void testRejectedExecutionExceptionOnShutdown() {
1220	>	ThreadPoolExecutor p =
1221	>	new ThreadPoolExecutor(1, 1,
1222	>	LONG_DELAY_MS, MILLISECONDS,
1223	>	new ArrayBlockingQueue<Runnable>(1));
1224	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1225	>	try {
1226	>	p.execute(new NoOpRunnable());
1227	>	shouldThrow();
1228	>	} catch (RejectedExecutionException success) {}
1229	>
1230	>	joinPool(p);
1231	>	}
1232	>
1233	>	/**
1234	>	* execute using CallerRunsPolicy drops task on shutdown
1235	>	*/
1236	>	public void testCallerRunsOnShutdown() {
1237	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1238	>	final ThreadPoolExecutor p =
1239	>	new ThreadPoolExecutor(1, 1,
1240	>	LONG_DELAY_MS, MILLISECONDS,
1241	>	new ArrayBlockingQueue<Runnable>(1), h);
1242	>
1243	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1244	>	try {
1245	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1246	>	p.execute(r);
1247	>	assertFalse(r.done);
1248	>	} finally {
1249	>	joinPool(p);
1250	>	}
1251	>	}
1252	>
1253	>	/**
1254	>	* execute using DiscardPolicy drops task on shutdown
1255	>	*/
1256	>	public void testDiscardOnShutdown() {
1257	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1258	>	ThreadPoolExecutor p =
1259	>	new ThreadPoolExecutor(1, 1,
1260	>	LONG_DELAY_MS, MILLISECONDS,
1261	>	new ArrayBlockingQueue<Runnable>(1),
1262	>	h);
1263	>
1264	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1265	>	try {
1266	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1267	>	p.execute(r);
1268	>	assertFalse(r.done);
1269	>	} finally {
1270	>	joinPool(p);
1271		}
398	–	catch (IllegalArgumentException success){}
1272		}
1273
1274	<	/** Throws if workQueue is set to null */
1275	<	public void testNullPointerException4() {
1276	<	try{
1277	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1278	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1274	>	/**
1275	>	* execute using DiscardOldestPolicy drops task on shutdown
1276	>	*/
1277	>	public void testDiscardOldestOnShutdown() {
1278	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1279	>	ThreadPoolExecutor p =
1280	>	new ThreadPoolExecutor(1, 1,
1281	>	LONG_DELAY_MS, MILLISECONDS,
1282	>	new ArrayBlockingQueue<Runnable>(1),
1283	>	h);
1284	>
1285	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1286	>	try {
1287	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1288	>	p.execute(r);
1289	>	assertFalse(r.done);
1290	>	} finally {
1291	>	joinPool(p);
1292		}
407	–	catch (NullPointerException success){}
1293		}
1294
1295	<	/** Throws if handler is set to null */
1296	<	public void testNullPointerException5() {
1297	<	try{
1298	<	RejectedExecutionHandler r = null;
1299	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1300	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1295	>	/**
1296	>	* execute(null) throws NPE
1297	>	*/
1298	>	public void testExecuteNull() {
1299	>	ThreadPoolExecutor p =
1300	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302	>	try {
1303	>	p.execute(null);
1304	>	shouldThrow();
1305	>	} catch (NullPointerException success) {}
1306	>
1307	>	joinPool(p);
1308	>	}
1309	>
1310	>	/**
1311	>	* setCorePoolSize of negative value throws IllegalArgumentException
1312	>	*/
1313	>	public void testCorePoolSizeIllegalArgumentException() {
1314	>	ThreadPoolExecutor p =
1315	>	new ThreadPoolExecutor(1, 2,
1316	>	LONG_DELAY_MS, MILLISECONDS,
1317	>	new ArrayBlockingQueue<Runnable>(10));
1318	>	try {
1319	>	p.setCorePoolSize(-1);
1320	>	shouldThrow();
1321	>	} catch (IllegalArgumentException success) {
1322	>	} finally {
1323	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1324		}
1325	<	catch (NullPointerException success){}
1325	>	joinPool(p);
1326		}
1327
1328	<
1329	<	/** Throws if corePoolSize argument is less than zero */
1330	<	public void testConstructor16() {
1331	<	try{
1332	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1333	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1328	>	/**
1329	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1330	>	* given a value less the core pool size
1331	>	*/
1332	>	public void testMaximumPoolSizeIllegalArgumentException() {
1333	>	ThreadPoolExecutor p =
1334	>	new ThreadPoolExecutor(2, 3,
1335	>	LONG_DELAY_MS, MILLISECONDS,
1336	>	new ArrayBlockingQueue<Runnable>(10));
1337	>	try {
1338	>	p.setMaximumPoolSize(1);
1339	>	shouldThrow();
1340	>	} catch (IllegalArgumentException success) {
1341	>	} finally {
1342	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1343		}
1344	<	catch (IllegalArgumentException success){}
1344	>	joinPool(p);
1345		}
1346
1347	<	/** Throws if maximumPoolSize is less than zero */
1348	<	public void testConstructor17() {
1349	<	try{
1350	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1351	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1347	>	/**
1348	>	* setMaximumPoolSize throws IllegalArgumentException
1349	>	* if given a negative value
1350	>	*/
1351	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1352	>	ThreadPoolExecutor p =
1353	>	new ThreadPoolExecutor(2, 3,
1354	>	LONG_DELAY_MS, MILLISECONDS,
1355	>	new ArrayBlockingQueue<Runnable>(10));
1356	>	try {
1357	>	p.setMaximumPoolSize(-1);
1358	>	shouldThrow();
1359	>	} catch (IllegalArgumentException success) {
1360	>	} finally {
1361	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1362		}
1363	<	catch (IllegalArgumentException success){}
1363	>	joinPool(p);
1364		}
1365
1366	<	/** Throws if maximumPoolSize is equal to zero */
1367	<	public void testConstructor18() {
1368	<	try{
1369	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1370	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1366	>	/**
1367	>	* Configuration changes that allow core pool size greater than
1368	>	* max pool size result in IllegalArgumentException.
1369	>	*/
1370	>	public void testPoolSizeInvariants() {
1371	>	ThreadPoolExecutor p =
1372	>	new ThreadPoolExecutor(1, 1,
1373	>	LONG_DELAY_MS, MILLISECONDS,
1374	>	new ArrayBlockingQueue<Runnable>(10));
1375	>	for (int s = 1; s < 5; s++) {
1376	>	p.setMaximumPoolSize(s);
1377	>	p.setCorePoolSize(s);
1378	>	try {
1379	>	p.setMaximumPoolSize(s - 1);
1380	>	shouldThrow();
1381	>	} catch (IllegalArgumentException success) {}
1382	>	assertEquals(s, p.getCorePoolSize());
1383	>	assertEquals(s, p.getMaximumPoolSize());
1384	>	try {
1385	>	p.setCorePoolSize(s + 1);
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388	>	assertEquals(s, p.getCorePoolSize());
1389	>	assertEquals(s, p.getMaximumPoolSize());
1390		}
1391	<	catch (IllegalArgumentException success){}
1391	>	joinPool(p);
1392		}
1393
1394	<	/** Throws if keepAliveTime is less than zero */
1395	<	public void testConstructor19() {
1396	<	try{
1397	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1398	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1394	>	/**
1395	>	* setKeepAliveTime throws IllegalArgumentException
1396	>	* when given a negative value
1397	>	*/
1398	>	public void testKeepAliveTimeIllegalArgumentException() {
1399	>	ThreadPoolExecutor p =
1400	>	new ThreadPoolExecutor(2, 3,
1401	>	LONG_DELAY_MS, MILLISECONDS,
1402	>	new ArrayBlockingQueue<Runnable>(10));
1403	>	try {
1404	>	p.setKeepAliveTime(-1,MILLISECONDS);
1405	>	shouldThrow();
1406	>	} catch (IllegalArgumentException success) {
1407	>	} finally {
1408	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1409		}
1410	<	catch (IllegalArgumentException success){}
1410	>	joinPool(p);
1411		}
1412
1413	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1414	<	public void testConstructor20() {
1415	<	try{
1416	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1417	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1413	>	/**
1414	>	* terminated() is called on termination
1415	>	*/
1416	>	public void testTerminated() {
1417	>	ExtendedTPE p = new ExtendedTPE();
1418	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1419	>	assertTrue(p.terminatedCalled());
1420	>	joinPool(p);
1421	>	}
1422	>
1423	>	/**
1424	>	* beforeExecute and afterExecute are called when executing task
1425	>	*/
1426	>	public void testBeforeAfter() throws InterruptedException {
1427	>	ExtendedTPE p = new ExtendedTPE();
1428	>	try {
1429	>	final CountDownLatch done = new CountDownLatch(1);
1430	>	p.execute(new CheckedRunnable() {
1431	>	public void realRun() {
1432	>	done.countDown();
1433	>	}});
1434	>	await(p.afterCalled);
1435	>	assertEquals(0, done.getCount());
1436	>	assertTrue(p.afterCalled());
1437	>	assertTrue(p.beforeCalled());
1438	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1439	>	} finally {
1440	>	joinPool(p);
1441	>	}
1442	>	}
1443	>
1444	>	/**
1445	>	* completed submit of callable returns result
1446	>	*/
1447	>	public void testSubmitCallable() throws Exception {
1448	>	ExecutorService e =
1449	>	new ThreadPoolExecutor(2, 2,
1450	>	LONG_DELAY_MS, MILLISECONDS,
1451	>	new ArrayBlockingQueue<Runnable>(10));
1452	>	try {
1453	>	Future<String> future = e.submit(new StringTask());
1454	>	String result = future.get();
1455	>	assertSame(TEST_STRING, result);
1456	>	} finally {
1457	>	joinPool(e);
1458	>	}
1459	>	}
1460	>
1461	>	/**
1462	>	* completed submit of runnable returns successfully
1463	>	*/
1464	>	public void testSubmitRunnable() throws Exception {
1465	>	ExecutorService e =
1466	>	new ThreadPoolExecutor(2, 2,
1467	>	LONG_DELAY_MS, MILLISECONDS,
1468	>	new ArrayBlockingQueue<Runnable>(10));
1469	>	try {
1470	>	Future<?> future = e.submit(new NoOpRunnable());
1471	>	future.get();
1472	>	assertTrue(future.isDone());
1473	>	} finally {
1474	>	joinPool(e);
1475	>	}
1476	>	}
1477	>
1478	>	/**
1479	>	* completed submit of (runnable, result) returns result
1480	>	*/
1481	>	public void testSubmitRunnable2() throws Exception {
1482	>	ExecutorService e =
1483	>	new ThreadPoolExecutor(2, 2,
1484	>	LONG_DELAY_MS, MILLISECONDS,
1485	>	new ArrayBlockingQueue<Runnable>(10));
1486	>	try {
1487	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1488	>	String result = future.get();
1489	>	assertSame(TEST_STRING, result);
1490	>	} finally {
1491	>	joinPool(e);
1492	>	}
1493	>	}
1494	>
1495	>	/**
1496	>	* invokeAny(null) throws NPE
1497	>	*/
1498	>	public void testInvokeAny1() throws Exception {
1499	>	ExecutorService e =
1500	>	new ThreadPoolExecutor(2, 2,
1501	>	LONG_DELAY_MS, MILLISECONDS,
1502	>	new ArrayBlockingQueue<Runnable>(10));
1503	>	try {
1504	>	e.invokeAny(null);
1505	>	shouldThrow();
1506	>	} catch (NullPointerException success) {
1507	>	} finally {
1508	>	joinPool(e);
1509	>	}
1510	>	}
1511	>
1512	>	/**
1513	>	* invokeAny(empty collection) throws IAE
1514	>	*/
1515	>	public void testInvokeAny2() throws Exception {
1516	>	ExecutorService e =
1517	>	new ThreadPoolExecutor(2, 2,
1518	>	LONG_DELAY_MS, MILLISECONDS,
1519	>	new ArrayBlockingQueue<Runnable>(10));
1520	>	try {
1521	>	e.invokeAny(new ArrayList<Callable<String>>());
1522	>	shouldThrow();
1523	>	} catch (IllegalArgumentException success) {
1524	>	} finally {
1525	>	joinPool(e);
1526	>	}
1527	>	}
1528	>
1529	>	/**
1530	>	* invokeAny(c) throws NPE if c has null elements
1531	>	*/
1532	>	public void testInvokeAny3() throws Exception {
1533	>	final CountDownLatch latch = new CountDownLatch(1);
1534	>	final ExecutorService e =
1535	>	new ThreadPoolExecutor(2, 2,
1536	>	LONG_DELAY_MS, MILLISECONDS,
1537	>	new ArrayBlockingQueue<Runnable>(10));
1538	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1539	>	l.add(latchAwaitingStringTask(latch));
1540	>	l.add(null);
1541	>	try {
1542	>	e.invokeAny(l);
1543	>	shouldThrow();
1544	>	} catch (NullPointerException success) {
1545	>	} finally {
1546	>	latch.countDown();
1547	>	joinPool(e);
1548	>	}
1549	>	}
1550	>
1551	>	/**
1552	>	* invokeAny(c) throws ExecutionException if no task completes
1553	>	*/
1554	>	public void testInvokeAny4() throws Exception {
1555	>	ExecutorService e =
1556	>	new ThreadPoolExecutor(2, 2,
1557	>	LONG_DELAY_MS, MILLISECONDS,
1558	>	new ArrayBlockingQueue<Runnable>(10));
1559	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1560	>	l.add(new NPETask());
1561	>	try {
1562	>	e.invokeAny(l);
1563	>	shouldThrow();
1564	>	} catch (ExecutionException success) {
1565	>	assertTrue(success.getCause() instanceof NullPointerException);
1566	>	} finally {
1567	>	joinPool(e);
1568	>	}
1569	>	}
1570	>
1571	>	/**
1572	>	* invokeAny(c) returns result of some task
1573	>	*/
1574	>	public void testInvokeAny5() throws Exception {
1575	>	ExecutorService e =
1576	>	new ThreadPoolExecutor(2, 2,
1577	>	LONG_DELAY_MS, MILLISECONDS,
1578	>	new ArrayBlockingQueue<Runnable>(10));
1579	>	try {
1580	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1581	>	l.add(new StringTask());
1582	>	l.add(new StringTask());
1583	>	String result = e.invokeAny(l);
1584	>	assertSame(TEST_STRING, result);
1585	>	} finally {
1586	>	joinPool(e);
1587	>	}
1588	>	}
1589	>
1590	>	/**
1591	>	* invokeAll(null) throws NPE
1592	>	*/
1593	>	public void testInvokeAll1() throws Exception {
1594	>	ExecutorService e =
1595	>	new ThreadPoolExecutor(2, 2,
1596	>	LONG_DELAY_MS, MILLISECONDS,
1597	>	new ArrayBlockingQueue<Runnable>(10));
1598	>	try {
1599	>	e.invokeAll(null);
1600	>	shouldThrow();
1601	>	} catch (NullPointerException success) {
1602	>	} finally {
1603	>	joinPool(e);
1604	>	}
1605	>	}
1606	>
1607	>	/**
1608	>	* invokeAll(empty collection) returns empty collection
1609	>	*/
1610	>	public void testInvokeAll2() throws InterruptedException {
1611	>	ExecutorService e =
1612	>	new ThreadPoolExecutor(2, 2,
1613	>	LONG_DELAY_MS, MILLISECONDS,
1614	>	new ArrayBlockingQueue<Runnable>(10));
1615	>	try {
1616	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1617	>	assertTrue(r.isEmpty());
1618	>	} finally {
1619	>	joinPool(e);
1620	>	}
1621	>	}
1622	>
1623	>	/**
1624	>	* invokeAll(c) throws NPE if c has null elements
1625	>	*/
1626	>	public void testInvokeAll3() throws Exception {
1627	>	ExecutorService e =
1628	>	new ThreadPoolExecutor(2, 2,
1629	>	LONG_DELAY_MS, MILLISECONDS,
1630	>	new ArrayBlockingQueue<Runnable>(10));
1631	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1632	>	l.add(new StringTask());
1633	>	l.add(null);
1634	>	try {
1635	>	e.invokeAll(l);
1636	>	shouldThrow();
1637	>	} catch (NullPointerException success) {
1638	>	} finally {
1639	>	joinPool(e);
1640	>	}
1641	>	}
1642	>
1643	>	/**
1644	>	* get of element of invokeAll(c) throws exception on failed task
1645	>	*/
1646	>	public void testInvokeAll4() throws Exception {
1647	>	ExecutorService e =
1648	>	new ThreadPoolExecutor(2, 2,
1649	>	LONG_DELAY_MS, MILLISECONDS,
1650	>	new ArrayBlockingQueue<Runnable>(10));
1651	>	try {
1652	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1653	>	l.add(new NPETask());
1654	>	List<Future<String>> futures = e.invokeAll(l);
1655	>	assertEquals(1, futures.size());
1656	>	try {
1657	>	futures.get(0).get();
1658	>	shouldThrow();
1659	>	} catch (ExecutionException success) {
1660	>	assertTrue(success.getCause() instanceof NullPointerException);
1661	>	}
1662	>	} finally {
1663	>	joinPool(e);
1664	>	}
1665	>	}
1666	>
1667	>	/**
1668	>	* invokeAll(c) returns results of all completed tasks
1669	>	*/
1670	>	public void testInvokeAll5() throws Exception {
1671	>	ExecutorService e =
1672	>	new ThreadPoolExecutor(2, 2,
1673	>	LONG_DELAY_MS, MILLISECONDS,
1674	>	new ArrayBlockingQueue<Runnable>(10));
1675	>	try {
1676	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1677	>	l.add(new StringTask());
1678	>	l.add(new StringTask());
1679	>	List<Future<String>> futures = e.invokeAll(l);
1680	>	assertEquals(2, futures.size());
1681	>	for (Future<String> future : futures)
1682	>	assertSame(TEST_STRING, future.get());
1683	>	} finally {
1684	>	joinPool(e);
1685	>	}
1686	>	}
1687	>
1688	>	/**
1689	>	* timed invokeAny(null) throws NPE
1690	>	*/
1691	>	public void testTimedInvokeAny1() throws Exception {
1692	>	ExecutorService e =
1693	>	new ThreadPoolExecutor(2, 2,
1694	>	LONG_DELAY_MS, MILLISECONDS,
1695	>	new ArrayBlockingQueue<Runnable>(10));
1696	>	try {
1697	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1698	>	shouldThrow();
1699	>	} catch (NullPointerException success) {
1700	>	} finally {
1701	>	joinPool(e);
1702	>	}
1703	>	}
1704	>
1705	>	/**
1706	>	* timed invokeAny(,,null) throws NPE
1707	>	*/
1708	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1709	>	ExecutorService e =
1710	>	new ThreadPoolExecutor(2, 2,
1711	>	LONG_DELAY_MS, MILLISECONDS,
1712	>	new ArrayBlockingQueue<Runnable>(10));
1713	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1714	>	l.add(new StringTask());
1715	>	try {
1716	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1717	>	shouldThrow();
1718	>	} catch (NullPointerException success) {
1719	>	} finally {
1720	>	joinPool(e);
1721	>	}
1722	>	}
1723	>
1724	>	/**
1725	>	* timed invokeAny(empty collection) throws IAE
1726	>	*/
1727	>	public void testTimedInvokeAny2() throws Exception {
1728	>	ExecutorService e =
1729	>	new ThreadPoolExecutor(2, 2,
1730	>	LONG_DELAY_MS, MILLISECONDS,
1731	>	new ArrayBlockingQueue<Runnable>(10));
1732	>	try {
1733	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1734	>	shouldThrow();
1735	>	} catch (IllegalArgumentException success) {
1736	>	} finally {
1737	>	joinPool(e);
1738	>	}
1739	>	}
1740	>
1741	>	/**
1742	>	* timed invokeAny(c) throws NPE if c has null elements
1743	>	*/
1744	>	public void testTimedInvokeAny3() throws Exception {
1745	>	final CountDownLatch latch = new CountDownLatch(1);
1746	>	final ExecutorService e =
1747	>	new ThreadPoolExecutor(2, 2,
1748	>	LONG_DELAY_MS, MILLISECONDS,
1749	>	new ArrayBlockingQueue<Runnable>(10));
1750	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1751	>	l.add(latchAwaitingStringTask(latch));
1752	>	l.add(null);
1753	>	try {
1754	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1755	>	shouldThrow();
1756	>	} catch (NullPointerException success) {
1757	>	} finally {
1758	>	latch.countDown();
1759	>	joinPool(e);
1760	>	}
1761	>	}
1762	>
1763	>	/**
1764	>	* timed invokeAny(c) throws ExecutionException if no task completes
1765	>	*/
1766	>	public void testTimedInvokeAny4() throws Exception {
1767	>	ExecutorService e =
1768	>	new ThreadPoolExecutor(2, 2,
1769	>	LONG_DELAY_MS, MILLISECONDS,
1770	>	new ArrayBlockingQueue<Runnable>(10));
1771	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1772	>	l.add(new NPETask());
1773	>	try {
1774	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1775	>	shouldThrow();
1776	>	} catch (ExecutionException success) {
1777	>	assertTrue(success.getCause() instanceof NullPointerException);
1778	>	} finally {
1779	>	joinPool(e);
1780	>	}
1781	>	}
1782	>
1783	>	/**
1784	>	* timed invokeAny(c) returns result of some task
1785	>	*/
1786	>	public void testTimedInvokeAny5() throws Exception {
1787	>	ExecutorService e =
1788	>	new ThreadPoolExecutor(2, 2,
1789	>	LONG_DELAY_MS, MILLISECONDS,
1790	>	new ArrayBlockingQueue<Runnable>(10));
1791	>	try {
1792	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1793	>	l.add(new StringTask());
1794	>	l.add(new StringTask());
1795	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1796	>	assertSame(TEST_STRING, result);
1797	>	} finally {
1798	>	joinPool(e);
1799	>	}
1800	>	}
1801	>
1802	>	/**
1803	>	* timed invokeAll(null) throws NPE
1804	>	*/
1805	>	public void testTimedInvokeAll1() throws Exception {
1806	>	ExecutorService e =
1807	>	new ThreadPoolExecutor(2, 2,
1808	>	LONG_DELAY_MS, MILLISECONDS,
1809	>	new ArrayBlockingQueue<Runnable>(10));
1810	>	try {
1811	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1812	>	shouldThrow();
1813	>	} catch (NullPointerException success) {
1814	>	} finally {
1815	>	joinPool(e);
1816	>	}
1817	>	}
1818	>
1819	>	/**
1820	>	* timed invokeAll(,,null) throws NPE
1821	>	*/
1822	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1823	>	ExecutorService e =
1824	>	new ThreadPoolExecutor(2, 2,
1825	>	LONG_DELAY_MS, MILLISECONDS,
1826	>	new ArrayBlockingQueue<Runnable>(10));
1827	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1828	>	l.add(new StringTask());
1829	>	try {
1830	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1831	>	shouldThrow();
1832	>	} catch (NullPointerException success) {
1833	>	} finally {
1834	>	joinPool(e);
1835	>	}
1836	>	}
1837	>
1838	>	/**
1839	>	* timed invokeAll(empty collection) returns empty collection
1840	>	*/
1841	>	public void testTimedInvokeAll2() throws InterruptedException {
1842	>	ExecutorService e =
1843	>	new ThreadPoolExecutor(2, 2,
1844	>	LONG_DELAY_MS, MILLISECONDS,
1845	>	new ArrayBlockingQueue<Runnable>(10));
1846	>	try {
1847	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1848	>	assertTrue(r.isEmpty());
1849	>	} finally {
1850	>	joinPool(e);
1851	>	}
1852	>	}
1853	>
1854	>	/**
1855	>	* timed invokeAll(c) throws NPE if c has null elements
1856	>	*/
1857	>	public void testTimedInvokeAll3() throws Exception {
1858	>	ExecutorService e =
1859	>	new ThreadPoolExecutor(2, 2,
1860	>	LONG_DELAY_MS, MILLISECONDS,
1861	>	new ArrayBlockingQueue<Runnable>(10));
1862	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1863	>	l.add(new StringTask());
1864	>	l.add(null);
1865	>	try {
1866	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1867	>	shouldThrow();
1868	>	} catch (NullPointerException success) {
1869	>	} finally {
1870	>	joinPool(e);
1871		}
463	–	catch (IllegalArgumentException success){}
1872		}
1873
1874	<	/** Throws if workQueue is set to null */
1875	<	public void testNullPointerException6() {
1876	<	try{
1877	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1878	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1874	>	/**
1875	>	* get of element of invokeAll(c) throws exception on failed task
1876	>	*/
1877	>	public void testTimedInvokeAll4() throws Exception {
1878	>	ExecutorService e =
1879	>	new ThreadPoolExecutor(2, 2,
1880	>	LONG_DELAY_MS, MILLISECONDS,
1881	>	new ArrayBlockingQueue<Runnable>(10));
1882	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1883	>	l.add(new NPETask());
1884	>	List<Future<String>> futures =
1885	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1886	>	assertEquals(1, futures.size());
1887	>	try {
1888	>	futures.get(0).get();
1889	>	shouldThrow();
1890	>	} catch (ExecutionException success) {
1891	>	assertTrue(success.getCause() instanceof NullPointerException);
1892	>	} finally {
1893	>	joinPool(e);
1894		}
472	–	catch (NullPointerException success){}
1895		}
1896
1897	<	/** Throws if handler is set to null */
1898	<	public void testNullPointerException7() {
1899	<	try{
1900	<	RejectedExecutionHandler r = null;
1901	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1902	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1897	>	/**
1898	>	* timed invokeAll(c) returns results of all completed tasks
1899	>	*/
1900	>	public void testTimedInvokeAll5() throws Exception {
1901	>	ExecutorService e =
1902	>	new ThreadPoolExecutor(2, 2,
1903	>	LONG_DELAY_MS, MILLISECONDS,
1904	>	new ArrayBlockingQueue<Runnable>(10));
1905	>	try {
1906	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1907	>	l.add(new StringTask());
1908	>	l.add(new StringTask());
1909	>	List<Future<String>> futures =
1910	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1911	>	assertEquals(2, futures.size());
1912	>	for (Future<String> future : futures)
1913	>	assertSame(TEST_STRING, future.get());
1914	>	} finally {
1915	>	joinPool(e);
1916		}
482	–	catch (NullPointerException success){}
1917		}
1918
1919	<	/** Throws if ThreadFactory is set top null */
1920	<	public void testNullPointerException8() {
1921	<	try{
1922	<	ThreadFactory f = null;
1923	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1924	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1919	>	/**
1920	>	* timed invokeAll(c) cancels tasks not completed by timeout
1921	>	*/
1922	>	public void testTimedInvokeAll6() throws Exception {
1923	>	ExecutorService e =
1924	>	new ThreadPoolExecutor(2, 2,
1925	>	LONG_DELAY_MS, MILLISECONDS,
1926	>	new ArrayBlockingQueue<Runnable>(10));
1927	>	try {
1928	>	for (long timeout = timeoutMillis();;) {
1929	>	List<Callable<String>> tasks = new ArrayList<>();
1930	>	tasks.add(new StringTask("0"));
1931	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1932	>	tasks.add(new StringTask("2"));
1933	>	long startTime = System.nanoTime();
1934	>	List<Future<String>> futures =
1935	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1936	>	assertEquals(tasks.size(), futures.size());
1937	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1938	>	for (Future future : futures)
1939	>	assertTrue(future.isDone());
1940	>	assertTrue(futures.get(1).isCancelled());
1941	>	try {
1942	>	assertEquals("0", futures.get(0).get());
1943	>	assertEquals("2", futures.get(2).get());
1944	>	break;
1945	>	} catch (CancellationException retryWithLongerTimeout) {
1946	>	timeout *= 2;
1947	>	if (timeout >= LONG_DELAY_MS / 2)
1948	>	fail("expected exactly one task to be cancelled");
1949	>	}
1950	>	}
1951	>	} finally {
1952	>	joinPool(e);
1953		}
492	–	catch (NullPointerException successdn8){}
1954		}
494	–
1955
1956		/**
1957	<	*   execute will throw RejectedExcutionException
1958	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1957	>	* Execution continues if there is at least one thread even if
1958	>	* thread factory fails to create more
1959		*/
1960	<	public void testRejectedExecutionException(){
1961	<	ThreadPoolExecutor tpe = null;
1962	<	try{
1963	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1964	<	} catch(Exception e){}
1965	<	tpe.shutdown();
1966	<	try{
1967	<	tpe.execute(new NoOpRunnable());
1968	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1969	<	} catch(RejectedExecutionException success){}
1970	<
1971	<	joinPool(tpe);
1960	>	public void testFailingThreadFactory() throws InterruptedException {
1961	>	final ExecutorService e =
1962	>	new ThreadPoolExecutor(100, 100,
1963	>	LONG_DELAY_MS, MILLISECONDS,
1964	>	new LinkedBlockingQueue<Runnable>(),
1965	>	new FailingThreadFactory());
1966	>	try {
1967	>	final int TASKS = 100;
1968	>	final CountDownLatch done = new CountDownLatch(TASKS);
1969	>	for (int k = 0; k < TASKS; ++k)
1970	>	e.execute(new CheckedRunnable() {
1971	>	public void realRun() {
1972	>	done.countDown();
1973	>	}});
1974	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1975	>	} finally {
1976	>	joinPool(e);
1977	>	}
1978	>	}
1979	>
1980	>	/**
1981	>	* allowsCoreThreadTimeOut is by default false.
1982	>	*/
1983	>	public void testAllowsCoreThreadTimeOut() {
1984	>	final ThreadPoolExecutor p =
1985	>	new ThreadPoolExecutor(2, 2,
1986	>	1000, MILLISECONDS,
1987	>	new ArrayBlockingQueue<Runnable>(10));
1988	>	assertFalse(p.allowsCoreThreadTimeOut());
1989	>	joinPool(p);
1990		}
1991	<
1991	>
1992		/**
1993	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1993	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1994		*/
1995	<	public void testCorePoolSizeIllegalArgumentException(){
1996	<	ThreadPoolExecutor tpe = null;
1997	<	try{
1998	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1999	<	} catch(Exception e){}
2000	<	try{
2001	<	tpe.setCorePoolSize(-1);
2002	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
2003	<	} catch(IllegalArgumentException success){
1995	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1996	>	long keepAliveTime = timeoutMillis();
1997	>	final ThreadPoolExecutor p =
1998	>	new ThreadPoolExecutor(2, 10,
1999	>	keepAliveTime, MILLISECONDS,
2000	>	new ArrayBlockingQueue<Runnable>(10));
2001	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2002	>	try {
2003	>	p.allowCoreThreadTimeOut(true);
2004	>	p.execute(new CheckedRunnable() {
2005	>	public void realRun() {
2006	>	threadStarted.countDown();
2007	>	assertEquals(1, p.getPoolSize());
2008	>	}});
2009	>	await(threadStarted);
2010	>	delay(keepAliveTime);
2011	>	long startTime = System.nanoTime();
2012	>	while (p.getPoolSize() > 0
2013	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2014	>	Thread.yield();
2015	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2016	>	assertEquals(0, p.getPoolSize());
2017		} finally {
2018	<	tpe.shutdown();
2018	>	joinPool(p);
2019		}
2020	<	joinPool(tpe);
532	<	}
2020	>	}
2021
534	–
2022		/**
2023	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
2024	<	*  if given a value less the it's actual core pool size
2025	<	*/
2026	<	public void testMaximumPoolSizeIllegalArgumentException(){
2027	<	ThreadPoolExecutor tpe = null;
2028	<	try{
2029	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2030	<	} catch(Exception e){}
2031	<	try{
2032	<	tpe.setMaximumPoolSize(1);
2033	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2034	<	} catch(IllegalArgumentException success){
2023	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2024	>	*/
2025	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2026	>	long keepAliveTime = timeoutMillis();
2027	>	final ThreadPoolExecutor p =
2028	>	new ThreadPoolExecutor(2, 10,
2029	>	keepAliveTime, MILLISECONDS,
2030	>	new ArrayBlockingQueue<Runnable>(10));
2031	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2032	>	try {
2033	>	p.allowCoreThreadTimeOut(false);
2034	>	p.execute(new CheckedRunnable() {
2035	>	public void realRun() throws InterruptedException {
2036	>	threadStarted.countDown();
2037	>	assertTrue(p.getPoolSize() >= 1);
2038	>	}});
2039	>	delay(2 * keepAliveTime);
2040	>	assertTrue(p.getPoolSize() >= 1);
2041		} finally {
2042	<	tpe.shutdown();
2042	>	joinPool(p);
2043		}
551	–	joinPool(tpe);
2044		}
2045	<
2045	>
2046		/**
2047	<	*   setMaximumPoolSize will throw IllegalArgumentException
2048	<	*  if given a negative number
2047	>	* execute allows the same task to be submitted multiple times, even
2048	>	* if rejected
2049		*/
2050	<	public void testMaximumPoolSizeIllegalArgumentException2(){
2051	<	ThreadPoolExecutor tpe = null;
2052	<	try{
2053	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2054	<	} catch(Exception e){}
2055	<	try{
2056	<	tpe.setMaximumPoolSize(-1);
2057	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2058	<	} catch(IllegalArgumentException success){
2050	>	public void testRejectedRecycledTask() throws InterruptedException {
2051	>	final int nTasks = 1000;
2052	>	final CountDownLatch done = new CountDownLatch(nTasks);
2053	>	final Runnable recycledTask = new Runnable() {
2054	>	public void run() {
2055	>	done.countDown();
2056	>	}};
2057	>	final ThreadPoolExecutor p =
2058	>	new ThreadPoolExecutor(1, 30,
2059	>	60, SECONDS,
2060	>	new ArrayBlockingQueue(30));
2061	>	try {
2062	>	for (int i = 0; i < nTasks; ++i) {
2063	>	for (;;) {
2064	>	try {
2065	>	p.execute(recycledTask);
2066	>	break;
2067	>	}
2068	>	catch (RejectedExecutionException ignore) {}
2069	>	}
2070	>	}
2071	>	// enough time to run all tasks
2072	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2073		} finally {
2074	<	tpe.shutdown();
2074	>	joinPool(p);
2075		}
570	–	joinPool(tpe);
2076		}
572	–
2077
2078		/**
2079	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
2079	>	* get(cancelled task) throws CancellationException
2080		*/
2081	<	public void testKeepAliveTimeIllegalArgumentException(){
2082	<	ThreadPoolExecutor tpe = null;
2083	<	try{
2084	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2085	<	} catch(Exception e){}
2086	<
2087	<	try{
2088	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2089	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2090	<	} catch(IllegalArgumentException success){
2081	>	public void testGet_cancelled() throws Exception {
2082	>	final ExecutorService e =
2083	>	new ThreadPoolExecutor(1, 1,
2084	>	LONG_DELAY_MS, MILLISECONDS,
2085	>	new LinkedBlockingQueue<Runnable>());
2086	>	try {
2087	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2088	>	final CountDownLatch done = new CountDownLatch(1);
2089	>	final List<Future<?>> futures = new ArrayList<>();
2090	>	for (int i = 0; i < 2; i++) {
2091	>	Runnable r = new CheckedRunnable() { public void realRun()
2092	>	throws Throwable {
2093	>	blockerStarted.countDown();
2094	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2095	>	}};
2096	>	futures.add(e.submit(r));
2097	>	}
2098	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2099	>	for (Future<?> future : futures) future.cancel(false);
2100	>	for (Future<?> future : futures) {
2101	>	try {
2102	>	future.get();
2103	>	shouldThrow();
2104	>	} catch (CancellationException success) {}
2105	>	try {
2106	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2107	>	shouldThrow();
2108	>	} catch (CancellationException success) {}
2109	>	assertTrue(future.isCancelled());
2110	>	assertTrue(future.isDone());
2111	>	}
2112	>	done.countDown();
2113		} finally {
2114	<	tpe.shutdown();
2114	>	joinPool(e);
2115		}
591	–	joinPool(tpe);
2116		}
2117	<
2117	>
2118		}

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