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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.66 by jsr166, Sun Oct 4 01:18:25 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 p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
109	<	try {
110	<	p1.execute(new Runnable() {
111	<	public void run() {
112	<	try {
113	<	Thread.sleep(SHORT_DELAY_MS);
114	<	} catch(InterruptedException e){
115	<	threadUnexpectedException();
116	<	}
117	<	}
118	<	});
119	<	Thread.sleep(SMALL_DELAY_MS);
120	<	} catch(InterruptedException e){
121	<	unexpectedException();
122	<	}
123	<	joinPool(p1);
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	>	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 increases but doesn't overestimate, when a
60	<	*  thread becomes active
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133	<	public void testGetActiveCount() {
134	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	assertEquals(0, p2.getActiveCount());
136	<	p2.execute(new MediumRunnable());
137	<	try {
138	<	Thread.sleep(SHORT_DELAY_MS);
139	<	} catch(Exception e){
140	<	unexpectedException();
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		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
154		}
155	<
155	>
156	>	/**
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158	>	*/
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 2,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	assertEquals(0, p.getPoolSize());
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(2, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(2, p.getPoolSize());
169	>	joinPool(p);
170	>	}
171	>
172		/**
173	<	*   getCompletedTaskCount increases, but doesn't overestimate,
174	<	*   when tasks complete
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175		*/
176	<	public void testGetCompletedTaskCount() {
177	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
178	<	assertEquals(0, p2.getCompletedTaskCount());
179	<	p2.execute(new ShortRunnable());
180	<	try {
181	<	Thread.sleep(MEDIUM_DELAY_MS);
182	<	} catch(Exception e){
183	<	unexpectedException();
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	final CountDownLatch threadStarted = new CountDownLatch(1);
182	>	final CountDownLatch threadProceed = new CountDownLatch(1);
183	>	final CountDownLatch threadDone = new CountDownLatch(1);
184	>	try {
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	} finally {
204	>	joinPool(p);
205		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
206		}
207	<
207	>
208		/**
209	<	*   getCorePoolSize returns size given in constructor if not otherwise set
209	>	* getCorePoolSize returns size given in constructor if not otherwise set
210		*/
211		public void testGetCorePoolSize() {
212	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
213	<	assertEquals(1, p1.getCorePoolSize());
214	<	joinPool(p1);
212	>	final ThreadPoolExecutor p =
213	>	new ThreadPoolExecutor(1, 1,
214	>	LONG_DELAY_MS, MILLISECONDS,
215	>	new ArrayBlockingQueue<Runnable>(10));
216	>	assertEquals(1, p.getCorePoolSize());
217	>	joinPool(p);
218		}
219	<
219	>
220		/**
221	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
221	>	* getKeepAliveTime returns value given in constructor if not otherwise set
222		*/
223		public void testGetKeepAliveTime() {
224	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
225	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
226	<	joinPool(p2);
227	<	}
228	<
229	<	/**
112	<	*   getLargestPoolSize increases, but doesn't overestimate, when
113	<	*   multiple threads active
114	<	*/
115	<	public void testGetLargestPoolSize() {
116	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	try {
118	<	assertEquals(0, p2.getLargestPoolSize());
119	<	p2.execute(new MediumRunnable());
120	<	p2.execute(new MediumRunnable());
121	<	Thread.sleep(SHORT_DELAY_MS);
122	<	assertEquals(2, p2.getLargestPoolSize());
123	<	} catch(Exception e){
124	<	unexpectedException();
125	<	}
126	<	joinPool(p2);
224	>	final ThreadPoolExecutor p =
225	>	new ThreadPoolExecutor(2, 2,
226	>	1000, MILLISECONDS,
227	>	new ArrayBlockingQueue<Runnable>(10));
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	joinPool(p);
230		}
231	<
231	>
232		/**
233	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
233	>	* getThreadFactory returns factory in constructor if not set
234		*/
235	<	public void testGetMaximumPoolSize() {
236	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237	<	assertEquals(2, p2.getMaximumPoolSize());
238	<	joinPool(p2);
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory tf = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	tf,
242	>	new NoOpREHandler());
243	>	assertSame(tf, p.getThreadFactory());
244	>	joinPool(p);
245		}
246	<
246	>
247		/**
248	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
248	>	* setThreadFactory sets the thread factory returned by getThreadFactory
249		*/
250	<	public void testGetPoolSize() {
251	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
252	<	assertEquals(0, p1.getPoolSize());
253	<	p1.execute(new MediumRunnable());
254	<	assertEquals(1, p1.getPoolSize());
255	<	joinPool(p1);
250	>	public void testSetThreadFactory() {
251	>	final ThreadPoolExecutor p =
252	>	new ThreadPoolExecutor(1, 2,
253	>	LONG_DELAY_MS, MILLISECONDS,
254	>	new ArrayBlockingQueue<Runnable>(10));
255	>	ThreadFactory tf = new SimpleThreadFactory();
256	>	p.setThreadFactory(tf);
257	>	assertSame(tf, p.getThreadFactory());
258	>	joinPool(p);
259		}
260	<
260	>
261		/**
262	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
262	>	* setThreadFactory(null) throws NPE
263		*/
264	<	public void testGetTaskCount() {
265	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
264	>	public void testSetThreadFactoryNull() {
265	>	final ThreadPoolExecutor p =
266	>	new ThreadPoolExecutor(1, 2,
267	>	LONG_DELAY_MS, MILLISECONDS,
268	>	new ArrayBlockingQueue<Runnable>(10));
269		try {
270	<	assertEquals(0, p1.getTaskCount());
271	<	p1.execute(new MediumRunnable());
272	<	Thread.sleep(SHORT_DELAY_MS);
273	<	assertEquals(1, p1.getTaskCount());
274	<	} catch(Exception e){
275	<	unexpectedException();
276	<	}
277	<	joinPool(p1);
270	>	p.setThreadFactory(null);
271	>	shouldThrow();
272	>	} catch (NullPointerException success) {
273	>	} finally {
274	>	joinPool(p);
275	>	}
276	>	}
277	>
278	>	/**
279	>	* getRejectedExecutionHandler returns handler in constructor if not set
280	>	*/
281	>	public void testGetRejectedExecutionHandler() {
282	>	final RejectedExecutionHandler h = new NoOpREHandler();
283	>	final ThreadPoolExecutor p =
284	>	new ThreadPoolExecutor(1, 2,
285	>	LONG_DELAY_MS, MILLISECONDS,
286	>	new ArrayBlockingQueue<Runnable>(10),
287	>	h);
288	>	assertSame(h, p.getRejectedExecutionHandler());
289	>	joinPool(p);
290		}
291	<
291	>
292		/**
293	<	*   isShutDown is false before shutdown, true after
293	>	* setRejectedExecutionHandler sets the handler returned by
294	>	* getRejectedExecutionHandler
295		*/
296	<	public void testIsShutdown() {
297	<
298	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
299	<	assertFalse(p1.isShutdown());
300	<	p1.shutdown();
301	<	assertTrue(p1.isShutdown());
302	<	joinPool(p1);
296	>	public void testSetRejectedExecutionHandler() {
297	>	final ThreadPoolExecutor p =
298	>	new ThreadPoolExecutor(1, 2,
299	>	LONG_DELAY_MS, MILLISECONDS,
300	>	new ArrayBlockingQueue<Runnable>(10));
301	>	RejectedExecutionHandler h = new NoOpREHandler();
302	>	p.setRejectedExecutionHandler(h);
303	>	assertSame(h, p.getRejectedExecutionHandler());
304	>	joinPool(p);
305		}
306
179	–
307		/**
308	<	*  isTerminated is false before termination, true after
308	>	* setRejectedExecutionHandler(null) throws NPE
309		*/
310	<	public void testIsTerminated() {
311	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
312	<	assertFalse(p1.isTerminated());
310	>	public void testSetRejectedExecutionHandlerNull() {
311	>	final ThreadPoolExecutor p =
312	>	new ThreadPoolExecutor(1, 2,
313	>	LONG_DELAY_MS, MILLISECONDS,
314	>	new ArrayBlockingQueue<Runnable>(10));
315		try {
316	<	p1.execute(new MediumRunnable());
316	>	p.setRejectedExecutionHandler(null);
317	>	shouldThrow();
318	>	} catch (NullPointerException success) {
319		} finally {
320	<	p1.shutdown();
320	>	joinPool(p);
321		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
322		}
323
324		/**
325	<	*  isTerminating is not true when running or when terminated
325	>	* getLargestPoolSize increases, but doesn't overestimate, when
326	>	* multiple threads active
327		*/
328	<	public void testIsTerminating() {
329	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
330	<	assertFalse(p1.isTerminating());
331	<	try {
332	<	p1.execute(new SmallRunnable());
333	<	assertFalse(p1.isTerminating());
328	>	public void testGetLargestPoolSize() throws InterruptedException {
329	>	final int THREADS = 3;
330	>	final ThreadPoolExecutor p =
331	>	new ThreadPoolExecutor(THREADS, THREADS,
332	>	LONG_DELAY_MS, MILLISECONDS,
333	>	new ArrayBlockingQueue<Runnable>(10));
334	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
335	>	final CountDownLatch done = new CountDownLatch(1);
336	>	try {
337	>	assertEquals(0, p.getLargestPoolSize());
338	>	for (int i = 0; i < THREADS; i++)
339	>	p.execute(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	threadsStarted.countDown();
342	>	done.await();
343	>	assertEquals(THREADS, p.getLargestPoolSize());
344	>	}});
345	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
346	>	assertEquals(THREADS, p.getLargestPoolSize());
347		} finally {
348	<	p1.shutdown();
348	>	done.countDown();
349	>	joinPool(p);
350	>	assertEquals(THREADS, p.getLargestPoolSize());
351		}
211	–	try {
212	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
213	–	assertTrue(p1.isTerminated());
214	–	assertFalse(p1.isTerminating());
215	–	} catch(Exception e){
216	–	unexpectedException();
217	–	}
352		}
353
354		/**
355	<	*   purge removes cancelled tasks from the queue
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	assertEquals(3, p.getMaximumPoolSize());
364	>	joinPool(p);
365	>	}
366	>
367	>	/**
368	>	* getPoolSize increases, but doesn't overestimate, when threads
369	>	* become active
370		*/
371	<	public void testPurge() {
372	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
373	<	CancellableTask[] tasks = new CancellableTask[5];
374	<	for(int i = 0; i < 5; i++){
375	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
376	<	p1.execute(tasks[i]);
371	>	public void testGetPoolSize() throws InterruptedException {
372	>	final ThreadPoolExecutor p =
373	>	new ThreadPoolExecutor(1, 1,
374	>	LONG_DELAY_MS, MILLISECONDS,
375	>	new ArrayBlockingQueue<Runnable>(10));
376	>	final CountDownLatch threadStarted = new CountDownLatch(1);
377	>	final CountDownLatch done = new CountDownLatch(1);
378	>	try {
379	>	assertEquals(0, p.getPoolSize());
380	>	p.execute(new CheckedRunnable() {
381	>	public void realRun() throws InterruptedException {
382	>	threadStarted.countDown();
383	>	assertEquals(1, p.getPoolSize());
384	>	done.await();
385	>	}});
386	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
387	>	assertEquals(1, p.getPoolSize());
388	>	} finally {
389	>	done.countDown();
390	>	joinPool(p);
391		}
230	–	tasks[4].cancel(true);
231	–	tasks[3].cancel(true);
232	–	p1.purge();
233	–	long count = p1.getTaskCount();
234	–	assertTrue(count >= 2 && count < 5);
235	–	joinPool(p1);
392		}
393
394		/**
395	<	*  shutDownNow returns a list containing tasks that were not run
395	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
396		*/
397	<	public void testShutDownNow() {
398	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
399	<	List l;
400	<	try {
401	<	for(int i = 0; i < 5; i++)
402	<	p1.execute(new MediumPossiblyInterruptedRunnable());
397	>	public void testGetTaskCount() throws InterruptedException {
398	>	final ThreadPoolExecutor p =
399	>	new ThreadPoolExecutor(1, 1,
400	>	LONG_DELAY_MS, MILLISECONDS,
401	>	new ArrayBlockingQueue<Runnable>(10));
402	>	final CountDownLatch threadStarted = new CountDownLatch(1);
403	>	final CountDownLatch done = new CountDownLatch(1);
404	>	try {
405	>	assertEquals(0, p.getTaskCount());
406	>	p.execute(new CheckedRunnable() {
407	>	public void realRun() throws InterruptedException {
408	>	threadStarted.countDown();
409	>	assertEquals(1, p.getTaskCount());
410	>	done.await();
411	>	}});
412	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
413	>	assertEquals(1, p.getTaskCount());
414	>	} finally {
415	>	done.countDown();
416	>	joinPool(p);
417	>	}
418	>	}
419	>
420	>	/**
421	>	* isShutdown is false before shutdown, true after
422	>	*/
423	>	public void testIsShutdown() {
424	>	final ThreadPoolExecutor p =
425	>	new ThreadPoolExecutor(1, 1,
426	>	LONG_DELAY_MS, MILLISECONDS,
427	>	new ArrayBlockingQueue<Runnable>(10));
428	>	assertFalse(p.isShutdown());
429	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
430	>	assertTrue(p.isShutdown());
431	>	joinPool(p);
432	>	}
433	>
434	>	/**
435	>	* awaitTermination on a non-shutdown pool times out
436	>	*/
437	>	public void testAwaitTermination_timesOut() throws InterruptedException {
438	>	final ThreadPoolExecutor p =
439	>	new ThreadPoolExecutor(1, 1,
440	>	LONG_DELAY_MS, MILLISECONDS,
441	>	new ArrayBlockingQueue<Runnable>(10));
442	>	assertFalse(p.isTerminated());
443	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
444	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
445	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
446	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
447	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
448	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
449	>	long timeoutNanos = 999999L;
450	>	long startTime = System.nanoTime();
451	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
452	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
453	>	assertFalse(p.isTerminated());
454	>	startTime = System.nanoTime();
455	>	long timeoutMillis = timeoutMillis();
456	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
457	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
458	>	assertFalse(p.isTerminated());
459	>	p.shutdown();
460	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
461	>	assertTrue(p.isTerminated());
462	>	}
463	>
464	>	/**
465	>	* isTerminated is false before termination, true after
466	>	*/
467	>	public void testIsTerminated() throws InterruptedException {
468	>	final ThreadPoolExecutor p =
469	>	new ThreadPoolExecutor(1, 1,
470	>	LONG_DELAY_MS, MILLISECONDS,
471	>	new ArrayBlockingQueue<Runnable>(10));
472	>	final CountDownLatch threadStarted = new CountDownLatch(1);
473	>	final CountDownLatch done = new CountDownLatch(1);
474	>	assertFalse(p.isTerminated());
475	>	try {
476	>	p.execute(new CheckedRunnable() {
477	>	public void realRun() throws InterruptedException {
478	>	assertFalse(p.isTerminated());
479	>	threadStarted.countDown();
480	>	done.await();
481	>	}});
482	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
483	>	assertFalse(p.isTerminating());
484	>	done.countDown();
485	>	} finally {
486	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
487	>	}
488	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
489	>	assertTrue(p.isTerminated());
490	>	}
491	>
492	>	/**
493	>	* isTerminating is not true when running or when terminated
494	>	*/
495	>	public void testIsTerminating() throws InterruptedException {
496	>	final ThreadPoolExecutor p =
497	>	new ThreadPoolExecutor(1, 1,
498	>	LONG_DELAY_MS, MILLISECONDS,
499	>	new ArrayBlockingQueue<Runnable>(10));
500	>	final CountDownLatch threadStarted = new CountDownLatch(1);
501	>	final CountDownLatch done = new CountDownLatch(1);
502	>	try {
503	>	assertFalse(p.isTerminating());
504	>	p.execute(new CheckedRunnable() {
505	>	public void realRun() throws InterruptedException {
506	>	assertFalse(p.isTerminating());
507	>	threadStarted.countDown();
508	>	done.await();
509	>	}});
510	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
511	>	assertFalse(p.isTerminating());
512	>	done.countDown();
513	>	} finally {
514	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
515	>	}
516	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
517	>	assertTrue(p.isTerminated());
518	>	assertFalse(p.isTerminating());
519	>	}
520	>
521	>	/**
522	>	* getQueue returns the work queue, which contains queued tasks
523	>	*/
524	>	public void testGetQueue() throws InterruptedException {
525	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
526	>	final ThreadPoolExecutor p =
527	>	new ThreadPoolExecutor(1, 1,
528	>	LONG_DELAY_MS, MILLISECONDS,
529	>	q);
530	>	final CountDownLatch threadStarted = new CountDownLatch(1);
531	>	final CountDownLatch done = new CountDownLatch(1);
532	>	try {
533	>	FutureTask[] tasks = new FutureTask[5];
534	>	for (int i = 0; i < tasks.length; i++) {
535	>	Callable task = new CheckedCallable<Boolean>() {
536	>	public Boolean realCall() throws InterruptedException {
537	>	threadStarted.countDown();
538	>	assertSame(q, p.getQueue());
539	>	done.await();
540	>	return Boolean.TRUE;
541	>	}};
542	>	tasks[i] = new FutureTask(task);
543	>	p.execute(tasks[i]);
544	>	}
545	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
546	>	assertSame(q, p.getQueue());
547	>	assertFalse(q.contains(tasks[0]));
548	>	assertTrue(q.contains(tasks[tasks.length - 1]));
549	>	assertEquals(tasks.length - 1, q.size());
550	>	} finally {
551	>	done.countDown();
552	>	joinPool(p);
553	>	}
554	>	}
555	>
556	>	/**
557	>	* remove(task) removes queued task, and fails to remove active task
558	>	*/
559	>	public void testRemove() throws InterruptedException {
560	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
561	>	final ThreadPoolExecutor p =
562	>	new ThreadPoolExecutor(1, 1,
563	>	LONG_DELAY_MS, MILLISECONDS,
564	>	q);
565	>	Runnable[] tasks = new Runnable[5];
566	>	final CountDownLatch threadStarted = new CountDownLatch(1);
567	>	final CountDownLatch done = new CountDownLatch(1);
568	>	try {
569	>	for (int i = 0; i < tasks.length; i++) {
570	>	tasks[i] = new CheckedRunnable() {
571	>	public void realRun() throws InterruptedException {
572	>	threadStarted.countDown();
573	>	done.await();
574	>	}};
575	>	p.execute(tasks[i]);
576	>	}
577	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
578	>	assertFalse(p.remove(tasks[0]));
579	>	assertTrue(q.contains(tasks[4]));
580	>	assertTrue(q.contains(tasks[3]));
581	>	assertTrue(p.remove(tasks[4]));
582	>	assertFalse(p.remove(tasks[4]));
583	>	assertFalse(q.contains(tasks[4]));
584	>	assertTrue(q.contains(tasks[3]));
585	>	assertTrue(p.remove(tasks[3]));
586	>	assertFalse(q.contains(tasks[3]));
587	>	} finally {
588	>	done.countDown();
589	>	joinPool(p);
590		}
591	<	finally {
592	<	l = p1.shutdownNow();
591	>	}
592	>
593	>	/**
594	>	* purge removes cancelled tasks from the queue
595	>	*/
596	>	public void testPurge() throws InterruptedException {
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
600	>	final ThreadPoolExecutor p =
601	>	new ThreadPoolExecutor(1, 1,
602	>	LONG_DELAY_MS, MILLISECONDS,
603	>	q);
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	try {
606	>	for (int i = 0; i < tasks.length; i++) {
607	>	Callable task = new CheckedCallable<Boolean>() {
608	>	public Boolean realCall() throws InterruptedException {
609	>	threadStarted.countDown();
610	>	done.await();
611	>	return Boolean.TRUE;
612	>	}};
613	>	tasks[i] = new FutureTask(task);
614	>	p.execute(tasks[i]);
615	>	}
616	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
617	>	assertEquals(tasks.length, p.getTaskCount());
618	>	assertEquals(tasks.length - 1, q.size());
619	>	assertEquals(1L, p.getActiveCount());
620	>	assertEquals(0L, p.getCompletedTaskCount());
621	>	tasks[4].cancel(true);
622	>	tasks[3].cancel(false);
623	>	p.purge();
624	>	assertEquals(tasks.length - 3, q.size());
625	>	assertEquals(tasks.length - 2, p.getTaskCount());
626	>	p.purge();         // Nothing to do
627	>	assertEquals(tasks.length - 3, q.size());
628	>	assertEquals(tasks.length - 2, p.getTaskCount());
629	>	} finally {
630	>	done.countDown();
631	>	joinPool(p);
632		}
633	<	assertTrue(p1.isShutdown());
634	<	assertTrue(l.size() <= 4);
633	>	}
634	>
635	>	/**
636	>	* shutdownNow returns a list containing tasks that were not run,
637	>	* and those tasks are drained from the queue
638	>	*/
639	>	public void testShutdownNow() throws InterruptedException {
640	>	final int poolSize = 2;
641	>	final int count = 5;
642	>	final AtomicInteger ran = new AtomicInteger(0);
643	>	final ThreadPoolExecutor p =
644	>	new ThreadPoolExecutor(poolSize, poolSize,
645	>	LONG_DELAY_MS, MILLISECONDS,
646	>	new ArrayBlockingQueue<Runnable>(10));
647	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
648	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
649	>	threadsStarted.countDown();
650	>	try {
651	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
652	>	} catch (InterruptedException success) {}
653	>	ran.getAndIncrement();
654	>	}};
655	>	for (int i = 0; i < count; i++)
656	>	p.execute(waiter);
657	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
658	>	assertEquals(poolSize, p.getActiveCount());
659	>	assertEquals(0, p.getCompletedTaskCount());
660	>	final List<Runnable> queuedTasks;
661	>	try {
662	>	queuedTasks = p.shutdownNow();
663	>	} catch (SecurityException ok) {
664	>	return; // Allowed in case test doesn't have privs
665	>	}
666	>	assertTrue(p.isShutdown());
667	>	assertTrue(p.getQueue().isEmpty());
668	>	assertEquals(count - poolSize, queuedTasks.size());
669	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
670	>	assertTrue(p.isTerminated());
671	>	assertEquals(poolSize, ran.get());
672	>	assertEquals(poolSize, p.getCompletedTaskCount());
673		}
674
675		// Exception Tests
256	–
676
677	<	/**
678	<	* Constructor throws if corePoolSize argument is less than zero
677	>	/**
678	>	* Constructor throws if corePoolSize argument is less than zero
679		*/
680		public void testConstructor1() {
681		try {
682	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
682	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
683	>	new ArrayBlockingQueue<Runnable>(10));
684		shouldThrow();
685	<	}
266	<	catch (IllegalArgumentException success){}
685	>	} catch (IllegalArgumentException success) {}
686		}
687	<
688	<	/**
689	<	* Constructor throws if maximumPoolSize is less than zero
687	>
688	>	/**
689	>	* Constructor throws if maximumPoolSize is less than zero
690		*/
691		public void testConstructor2() {
692		try {
693	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
693	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
694	>	new ArrayBlockingQueue<Runnable>(10));
695		shouldThrow();
696	<	}
277	<	catch (IllegalArgumentException success){}
696	>	} catch (IllegalArgumentException success) {}
697		}
698	<
699	<	/**
700	<	* Constructor throws if maximumPoolSize is equal to zero
698	>
699	>	/**
700	>	* Constructor throws if maximumPoolSize is equal to zero
701		*/
702		public void testConstructor3() {
703		try {
704	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
704	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
705	>	new ArrayBlockingQueue<Runnable>(10));
706		shouldThrow();
707	<	}
288	<	catch (IllegalArgumentException success){}
707	>	} catch (IllegalArgumentException success) {}
708		}
709
710	<	/**
711	<	* Constructor throws if keepAliveTime is less than zero
710	>	/**
711	>	* Constructor throws if keepAliveTime is less than zero
712		*/
713		public void testConstructor4() {
714		try {
715	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
715	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
716	>	new ArrayBlockingQueue<Runnable>(10));
717		shouldThrow();
718	<	}
299	<	catch (IllegalArgumentException success){}
718	>	} catch (IllegalArgumentException success) {}
719		}
720
721	<	/**
722	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
721	>	/**
722	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
723		*/
724		public void testConstructor5() {
725		try {
726	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
726	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
727	>	new ArrayBlockingQueue<Runnable>(10));
728		shouldThrow();
729	<	}
310	<	catch (IllegalArgumentException success){}
729	>	} catch (IllegalArgumentException success) {}
730		}
731	<
732	<	/**
733	<	* Constructor throws if workQueue is set to null
731	>
732	>	/**
733	>	* Constructor throws if workQueue is set to null
734		*/
735	<	public void testNullPointerException() {
735	>	public void testConstructorNullPointerException() {
736		try {
737	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
737	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
738	>	(BlockingQueue) null);
739		shouldThrow();
740	<	}
321	<	catch (NullPointerException success){}
740	>	} catch (NullPointerException success) {}
741		}
323	–
742
743	<
744	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
743	>	/**
744	>	* Constructor throws if corePoolSize argument is less than zero
745		*/
746		public void testConstructor6() {
747		try {
748	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
748	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
749	>	new ArrayBlockingQueue<Runnable>(10),
750	>	new SimpleThreadFactory());
751		shouldThrow();
752	<	} catch (IllegalArgumentException success){}
752	>	} catch (IllegalArgumentException success) {}
753		}
754	<
755	<	/**
756	<	* Constructor throws if maximumPoolSize is less than zero
754	>
755	>	/**
756	>	* Constructor throws if maximumPoolSize is less than zero
757		*/
758		public void testConstructor7() {
759		try {
760	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
760	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
761	>	new ArrayBlockingQueue<Runnable>(10),
762	>	new SimpleThreadFactory());
763		shouldThrow();
764	<	}
344	<	catch (IllegalArgumentException success){}
764	>	} catch (IllegalArgumentException success) {}
765		}
766
767	<	/**
768	<	* Constructor throws if maximumPoolSize is equal to zero
767	>	/**
768	>	* Constructor throws if maximumPoolSize is equal to zero
769		*/
770		public void testConstructor8() {
771		try {
772	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
772	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
773	>	new ArrayBlockingQueue<Runnable>(10),
774	>	new SimpleThreadFactory());
775		shouldThrow();
776	<	}
355	<	catch (IllegalArgumentException success){}
776	>	} catch (IllegalArgumentException success) {}
777		}
778
779	<	/**
780	<	* Constructor throws if keepAliveTime is less than zero
779	>	/**
780	>	* Constructor throws if keepAliveTime is less than zero
781		*/
782		public void testConstructor9() {
783		try {
784	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
784	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
785	>	new ArrayBlockingQueue<Runnable>(10),
786	>	new SimpleThreadFactory());
787		shouldThrow();
788	<	}
366	<	catch (IllegalArgumentException success){}
788	>	} catch (IllegalArgumentException success) {}
789		}
790
791	<	/**
792	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
791	>	/**
792	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
793		*/
794		public void testConstructor10() {
795		try {
796	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
796	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
797	>	new ArrayBlockingQueue<Runnable>(10),
798	>	new SimpleThreadFactory());
799		shouldThrow();
800	<	}
377	<	catch (IllegalArgumentException success){}
800	>	} catch (IllegalArgumentException success) {}
801		}
802
803	<	/**
804	<	* Constructor throws if workQueue is set to null
803	>	/**
804	>	* Constructor throws if workQueue is set to null
805		*/
806	<	public void testNullPointerException2() {
806	>	public void testConstructorNullPointerException2() {
807		try {
808	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
808	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
809	>	(BlockingQueue) null,
810	>	new SimpleThreadFactory());
811		shouldThrow();
812	<	}
388	<	catch (NullPointerException success){}
812	>	} catch (NullPointerException success) {}
813		}
814
815	<	/**
816	<	* Constructor throws if threadFactory is set to null
815	>	/**
816	>	* Constructor throws if threadFactory is set to null
817		*/
818	<	public void testNullPointerException3() {
818	>	public void testConstructorNullPointerException3() {
819		try {
820	<	ThreadFactory f = null;
821	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
820	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
821	>	new ArrayBlockingQueue<Runnable>(10),
822	>	(ThreadFactory) null);
823		shouldThrow();
824	<	}
400	<	catch (NullPointerException success){}
824	>	} catch (NullPointerException success) {}
825		}
826	<
827	<
828	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
826	>
827	>	/**
828	>	* Constructor throws if corePoolSize argument is less than zero
829		*/
830		public void testConstructor11() {
831		try {
832	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
832	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
833	>	new ArrayBlockingQueue<Runnable>(10),
834	>	new NoOpREHandler());
835		shouldThrow();
836	<	}
412	<	catch (IllegalArgumentException success){}
836	>	} catch (IllegalArgumentException success) {}
837		}
838
839	<	/**
840	<	* Constructor throws if maximumPoolSize is less than zero
839	>	/**
840	>	* Constructor throws if maximumPoolSize is less than zero
841		*/
842		public void testConstructor12() {
843		try {
844	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
844	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
845	>	new ArrayBlockingQueue<Runnable>(10),
846	>	new NoOpREHandler());
847		shouldThrow();
848	<	}
423	<	catch (IllegalArgumentException success){}
848	>	} catch (IllegalArgumentException success) {}
849		}
850
851	<	/**
852	<	* Constructor throws if maximumPoolSize is equal to zero
851	>	/**
852	>	* Constructor throws if maximumPoolSize is equal to zero
853		*/
854		public void testConstructor13() {
855		try {
856	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
856	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
857	>	new ArrayBlockingQueue<Runnable>(10),
858	>	new NoOpREHandler());
859		shouldThrow();
860	<	}
434	<	catch (IllegalArgumentException success){}
860	>	} catch (IllegalArgumentException success) {}
861		}
862
863	<	/**
864	<	* Constructor throws if keepAliveTime is less than zero
863	>	/**
864	>	* Constructor throws if keepAliveTime is less than zero
865		*/
866		public void testConstructor14() {
867		try {
868	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
868	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
869	>	new ArrayBlockingQueue<Runnable>(10),
870	>	new NoOpREHandler());
871		shouldThrow();
872	<	}
445	<	catch (IllegalArgumentException success){}
872	>	} catch (IllegalArgumentException success) {}
873		}
874
875	<	/**
876	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
875	>	/**
876	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
877		*/
878		public void testConstructor15() {
879		try {
880	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
880	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
881	>	new ArrayBlockingQueue<Runnable>(10),
882	>	new NoOpREHandler());
883	>	shouldThrow();
884	>	} catch (IllegalArgumentException success) {}
885	>	}
886	>
887	>	/**
888	>	* Constructor throws if workQueue is set to null
889	>	*/
890	>	public void testConstructorNullPointerException4() {
891	>	try {
892	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
893	>	(BlockingQueue) null,
894	>	new NoOpREHandler());
895	>	shouldThrow();
896	>	} catch (NullPointerException success) {}
897	>	}
898	>
899	>	/**
900	>	* Constructor throws if handler is set to null
901	>	*/
902	>	public void testConstructorNullPointerException5() {
903	>	try {
904	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
905	>	new ArrayBlockingQueue<Runnable>(10),
906	>	(RejectedExecutionHandler) null);
907	>	shouldThrow();
908	>	} catch (NullPointerException success) {}
909	>	}
910	>
911	>	/**
912	>	* Constructor throws if corePoolSize argument is less than zero
913	>	*/
914	>	public void testConstructor16() {
915	>	try {
916	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
917	>	new ArrayBlockingQueue<Runnable>(10),
918	>	new SimpleThreadFactory(),
919	>	new NoOpREHandler());
920	>	shouldThrow();
921	>	} catch (IllegalArgumentException success) {}
922	>	}
923	>
924	>	/**
925	>	* Constructor throws if maximumPoolSize is less than zero
926	>	*/
927	>	public void testConstructor17() {
928	>	try {
929	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
930	>	new ArrayBlockingQueue<Runnable>(10),
931	>	new SimpleThreadFactory(),
932	>	new NoOpREHandler());
933	>	shouldThrow();
934	>	} catch (IllegalArgumentException success) {}
935	>	}
936	>
937	>	/**
938	>	* Constructor throws if maximumPoolSize is equal to zero
939	>	*/
940	>	public void testConstructor18() {
941	>	try {
942	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
943	>	new ArrayBlockingQueue<Runnable>(10),
944	>	new SimpleThreadFactory(),
945	>	new NoOpREHandler());
946	>	shouldThrow();
947	>	} catch (IllegalArgumentException success) {}
948	>	}
949	>
950	>	/**
951	>	* Constructor throws if keepAliveTime is less than zero
952	>	*/
953	>	public void testConstructor19() {
954	>	try {
955	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
956	>	new ArrayBlockingQueue<Runnable>(10),
957	>	new SimpleThreadFactory(),
958	>	new NoOpREHandler());
959	>	shouldThrow();
960	>	} catch (IllegalArgumentException success) {}
961	>	}
962	>
963	>	/**
964	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
965	>	*/
966	>	public void testConstructor20() {
967	>	try {
968	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
969	>	new ArrayBlockingQueue<Runnable>(10),
970	>	new SimpleThreadFactory(),
971	>	new NoOpREHandler());
972	>	shouldThrow();
973	>	} catch (IllegalArgumentException success) {}
974	>	}
975	>
976	>	/**
977	>	* Constructor throws if workQueue is null
978	>	*/
979	>	public void testConstructorNullPointerException6() {
980	>	try {
981	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
982	>	(BlockingQueue) null,
983	>	new SimpleThreadFactory(),
984	>	new NoOpREHandler());
985	>	shouldThrow();
986	>	} catch (NullPointerException success) {}
987	>	}
988	>
989	>	/**
990	>	* Constructor throws if handler is null
991	>	*/
992	>	public void testConstructorNullPointerException7() {
993	>	try {
994	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
995	>	new ArrayBlockingQueue<Runnable>(10),
996	>	new SimpleThreadFactory(),
997	>	(RejectedExecutionHandler) null);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {}
1000	>	}
1001	>
1002	>	/**
1003	>	* Constructor throws if ThreadFactory is null
1004	>	*/
1005	>	public void testConstructorNullPointerException8() {
1006	>	try {
1007	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1008	>	new ArrayBlockingQueue<Runnable>(10),
1009	>	(ThreadFactory) null,
1010	>	new NoOpREHandler());
1011		shouldThrow();
1012	+	} catch (NullPointerException success) {}
1013	+	}
1014	+
1015	+	/**
1016	+	* get of submitted callable throws InterruptedException if interrupted
1017	+	*/
1018	+	public void testInterruptedSubmit() throws InterruptedException {
1019	+	final ThreadPoolExecutor p =
1020	+	new ThreadPoolExecutor(1, 1,
1021	+	60, SECONDS,
1022	+	new ArrayBlockingQueue<Runnable>(10));
1023	+
1024	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1025	+	final CountDownLatch done = new CountDownLatch(1);
1026	+	try {
1027	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1028	+	public void realRun() throws Exception {
1029	+	Callable task = new CheckedCallable<Boolean>() {
1030	+	public Boolean realCall() throws InterruptedException {
1031	+	threadStarted.countDown();
1032	+	done.await();
1033	+	return Boolean.TRUE;
1034	+	}};
1035	+	p.submit(task).get();
1036	+	}});
1037	+
1038	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1039	+	t.interrupt();
1040	+	awaitTermination(t, MEDIUM_DELAY_MS);
1041	+	} finally {
1042	+	done.countDown();
1043	+	joinPool(p);
1044	+	}
1045	+	}
1046	+
1047	+	/**
1048	+	* execute throws RejectedExecutionException if saturated.
1049	+	*/
1050	+	public void testSaturatedExecute() {
1051	+	ThreadPoolExecutor p =
1052	+	new ThreadPoolExecutor(1, 1,
1053	+	LONG_DELAY_MS, MILLISECONDS,
1054	+	new ArrayBlockingQueue<Runnable>(1));
1055	+	final CountDownLatch done = new CountDownLatch(1);
1056	+	try {
1057	+	Runnable task = new CheckedRunnable() {
1058	+	public void realRun() throws InterruptedException {
1059	+	done.await();
1060	+	}};
1061	+	for (int i = 0; i < 2; ++i)
1062	+	p.execute(task);
1063	+	for (int i = 0; i < 2; ++i) {
1064	+	try {
1065	+	p.execute(task);
1066	+	shouldThrow();
1067	+	} catch (RejectedExecutionException success) {}
1068	+	assertTrue(p.getTaskCount() <= 2);
1069	+	}
1070	+	} finally {
1071	+	done.countDown();
1072	+	joinPool(p);
1073	+	}
1074	+	}
1075	+
1076	+	/**
1077	+	* submit(runnable) throws RejectedExecutionException if saturated.
1078	+	*/
1079	+	public void testSaturatedSubmitRunnable() {
1080	+	ThreadPoolExecutor p =
1081	+	new ThreadPoolExecutor(1, 1,
1082	+	LONG_DELAY_MS, MILLISECONDS,
1083	+	new ArrayBlockingQueue<Runnable>(1));
1084	+	final CountDownLatch done = new CountDownLatch(1);
1085	+	try {
1086	+	Runnable task = new CheckedRunnable() {
1087	+	public void realRun() throws InterruptedException {
1088	+	done.await();
1089	+	}};
1090	+	for (int i = 0; i < 2; ++i)
1091	+	p.submit(task);
1092	+	for (int i = 0; i < 2; ++i) {
1093	+	try {
1094	+	p.execute(task);
1095	+	shouldThrow();
1096	+	} catch (RejectedExecutionException success) {}
1097	+	assertTrue(p.getTaskCount() <= 2);
1098	+	}
1099	+	} finally {
1100	+	done.countDown();
1101	+	joinPool(p);
1102	+	}
1103	+	}
1104	+
1105	+	/**
1106	+	* submit(callable) throws RejectedExecutionException if saturated.
1107	+	*/
1108	+	public void testSaturatedSubmitCallable() {
1109	+	ThreadPoolExecutor p =
1110	+	new ThreadPoolExecutor(1, 1,
1111	+	LONG_DELAY_MS, MILLISECONDS,
1112	+	new ArrayBlockingQueue<Runnable>(1));
1113	+	final CountDownLatch done = new CountDownLatch(1);
1114	+	try {
1115	+	Runnable task = new CheckedRunnable() {
1116	+	public void realRun() throws InterruptedException {
1117	+	done.await();
1118	+	}};
1119	+	for (int i = 0; i < 2; ++i)
1120	+	p.submit(Executors.callable(task));
1121	+	for (int i = 0; i < 2; ++i) {
1122	+	try {
1123	+	p.execute(task);
1124	+	shouldThrow();
1125	+	} catch (RejectedExecutionException success) {}
1126	+	assertTrue(p.getTaskCount() <= 2);
1127	+	}
1128	+	} finally {
1129	+	done.countDown();
1130	+	joinPool(p);
1131	+	}
1132	+	}
1133	+
1134	+	/**
1135	+	* executor using CallerRunsPolicy runs task if saturated.
1136	+	*/
1137	+	public void testSaturatedExecute2() {
1138	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1139	+	final ThreadPoolExecutor p =
1140	+	new ThreadPoolExecutor(1, 1,
1141	+	LONG_DELAY_MS,
1142	+	MILLISECONDS,
1143	+	new ArrayBlockingQueue<Runnable>(1),
1144	+	h);
1145	+	try {
1146	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1147	+	for (int i = 0; i < tasks.length; ++i)
1148	+	tasks[i] = new TrackedNoOpRunnable();
1149	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1150	+	p.execute(mr);
1151	+	for (int i = 0; i < tasks.length; ++i)
1152	+	p.execute(tasks[i]);
1153	+	for (int i = 1; i < tasks.length; ++i)
1154	+	assertTrue(tasks[i].done);
1155	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156	+	} finally {
1157	+	joinPool(p);
1158		}
456	–	catch (IllegalArgumentException success){}
1159		}
1160
1161	<	/**
1162	<	* Constructor throws if workQueue is set to null
1161	>	/**
1162	>	* executor using DiscardPolicy drops task if saturated.
1163		*/
1164	<	public void testNullPointerException4() {
1164	>	public void testSaturatedExecute3() {
1165	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1166	>	final ThreadPoolExecutor p =
1167	>	new ThreadPoolExecutor(1, 1,
1168	>	LONG_DELAY_MS, MILLISECONDS,
1169	>	new ArrayBlockingQueue<Runnable>(1),
1170	>	h);
1171	>	try {
1172	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1173	>	for (int i = 0; i < tasks.length; ++i)
1174	>	tasks[i] = new TrackedNoOpRunnable();
1175	>	p.execute(new TrackedLongRunnable());
1176	>	for (TrackedNoOpRunnable task : tasks)
1177	>	p.execute(task);
1178	>	for (TrackedNoOpRunnable task : tasks)
1179	>	assertFalse(task.done);
1180	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1181	>	} finally {
1182	>	joinPool(p);
1183	>	}
1184	>	}
1185	>
1186	>	/**
1187	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1188	>	*/
1189	>	public void testSaturatedExecute4() {
1190	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1191	>	final ThreadPoolExecutor p =
1192	>	new ThreadPoolExecutor(1, 1,
1193	>	LONG_DELAY_MS, MILLISECONDS,
1194	>	new ArrayBlockingQueue<Runnable>(1),
1195	>	h);
1196	>	try {
1197	>	p.execute(new TrackedLongRunnable());
1198	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1199	>	p.execute(r2);
1200	>	assertTrue(p.getQueue().contains(r2));
1201	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1202	>	p.execute(r3);
1203	>	assertFalse(p.getQueue().contains(r2));
1204	>	assertTrue(p.getQueue().contains(r3));
1205	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1206	>	} finally {
1207	>	joinPool(p);
1208	>	}
1209	>	}
1210	>
1211	>	/**
1212	>	* execute throws RejectedExecutionException if shutdown
1213	>	*/
1214	>	public void testRejectedExecutionExceptionOnShutdown() {
1215	>	ThreadPoolExecutor p =
1216	>	new ThreadPoolExecutor(1, 1,
1217	>	LONG_DELAY_MS, MILLISECONDS,
1218	>	new ArrayBlockingQueue<Runnable>(1));
1219	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1220		try {
1221	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1221	>	p.execute(new NoOpRunnable());
1222		shouldThrow();
1223	+	} catch (RejectedExecutionException success) {}
1224	+
1225	+	joinPool(p);
1226	+	}
1227	+
1228	+	/**
1229	+	* execute using CallerRunsPolicy drops task on shutdown
1230	+	*/
1231	+	public void testCallerRunsOnShutdown() {
1232	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1233	+	final ThreadPoolExecutor p =
1234	+	new ThreadPoolExecutor(1, 1,
1235	+	LONG_DELAY_MS, MILLISECONDS,
1236	+	new ArrayBlockingQueue<Runnable>(1), h);
1237	+
1238	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1239	+	try {
1240	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1241	+	p.execute(r);
1242	+	assertFalse(r.done);
1243	+	} finally {
1244	+	joinPool(p);
1245	+	}
1246	+	}
1247	+
1248	+	/**
1249	+	* execute using DiscardPolicy drops task on shutdown
1250	+	*/
1251	+	public void testDiscardOnShutdown() {
1252	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1253	+	ThreadPoolExecutor p =
1254	+	new ThreadPoolExecutor(1, 1,
1255	+	LONG_DELAY_MS, MILLISECONDS,
1256	+	new ArrayBlockingQueue<Runnable>(1),
1257	+	h);
1258	+
1259	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1260	+	try {
1261	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1262	+	p.execute(r);
1263	+	assertFalse(r.done);
1264	+	} finally {
1265	+	joinPool(p);
1266	+	}
1267	+	}
1268	+
1269	+	/**
1270	+	* execute using DiscardOldestPolicy drops task on shutdown
1271	+	*/
1272	+	public void testDiscardOldestOnShutdown() {
1273	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1274	+	ThreadPoolExecutor p =
1275	+	new ThreadPoolExecutor(1, 1,
1276	+	LONG_DELAY_MS, MILLISECONDS,
1277	+	new ArrayBlockingQueue<Runnable>(1),
1278	+	h);
1279	+
1280	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1281	+	try {
1282	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1283	+	p.execute(r);
1284	+	assertFalse(r.done);
1285	+	} finally {
1286	+	joinPool(p);
1287		}
467	–	catch (NullPointerException success){}
1288		}
1289
1290	<	/**
1291	<	* Constructor throws if handler is set to null
1290	>	/**
1291	>	* execute(null) throws NPE
1292	>	*/
1293	>	public void testExecuteNull() {
1294	>	ThreadPoolExecutor p =
1295	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1296	>	new ArrayBlockingQueue<Runnable>(10));
1297	>	try {
1298	>	p.execute(null);
1299	>	shouldThrow();
1300	>	} catch (NullPointerException success) {}
1301	>
1302	>	joinPool(p);
1303	>	}
1304	>
1305	>	/**
1306	>	* setCorePoolSize of negative value throws IllegalArgumentException
1307		*/
1308	<	public void testNullPointerException5() {
1308	>	public void testCorePoolSizeIllegalArgumentException() {
1309	>	ThreadPoolExecutor p =
1310	>	new ThreadPoolExecutor(1, 2,
1311	>	LONG_DELAY_MS, MILLISECONDS,
1312	>	new ArrayBlockingQueue<Runnable>(10));
1313		try {
1314	<	RejectedExecutionHandler r = null;
476	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1314	>	p.setCorePoolSize(-1);
1315		shouldThrow();
1316	+	} catch (IllegalArgumentException success) {
1317	+	} finally {
1318	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1319		}
1320	<	catch (NullPointerException success){}
1320	>	joinPool(p);
1321		}
1322
1323	<
1324	<	/**
1325	<	* Constructor throws if corePoolSize argument is less than zero
1323	>	/**
1324	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1325	>	* given a value less the core pool size
1326		*/
1327	<	public void testConstructor16() {
1327	>	public void testMaximumPoolSizeIllegalArgumentException() {
1328	>	ThreadPoolExecutor p =
1329	>	new ThreadPoolExecutor(2, 3,
1330	>	LONG_DELAY_MS, MILLISECONDS,
1331	>	new ArrayBlockingQueue<Runnable>(10));
1332		try {
1333	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1333	>	p.setMaximumPoolSize(1);
1334		shouldThrow();
1335	+	} catch (IllegalArgumentException success) {
1336	+	} finally {
1337	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1338		}
1339	<	catch (IllegalArgumentException success){}
1339	>	joinPool(p);
1340		}
1341
1342	<	/**
1343	<	* Constructor throws if maximumPoolSize is less than zero
1342	>	/**
1343	>	* setMaximumPoolSize throws IllegalArgumentException
1344	>	* if given a negative value
1345		*/
1346	<	public void testConstructor17() {
1346	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1347	>	ThreadPoolExecutor p =
1348	>	new ThreadPoolExecutor(2, 3,
1349	>	LONG_DELAY_MS, MILLISECONDS,
1350	>	new ArrayBlockingQueue<Runnable>(10));
1351		try {
1352	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1352	>	p.setMaximumPoolSize(-1);
1353		shouldThrow();
1354	+	} catch (IllegalArgumentException success) {
1355	+	} finally {
1356	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1357		}
1358	<	catch (IllegalArgumentException success){}
1358	>	joinPool(p);
1359		}
1360
1361	<	/**
1362	<	* Constructor throws if maximumPoolSize is equal to zero
1361	>	/**
1362	>	* Configuration changes that allow core pool size greater than
1363	>	* max pool size result in IllegalArgumentException.
1364		*/
1365	<	public void testConstructor18() {
1365	>	public void testPoolSizeInvariants() {
1366	>	ThreadPoolExecutor p =
1367	>	new ThreadPoolExecutor(1, 1,
1368	>	LONG_DELAY_MS, MILLISECONDS,
1369	>	new ArrayBlockingQueue<Runnable>(10));
1370	>	for (int s = 1; s < 5; s++) {
1371	>	p.setMaximumPoolSize(s);
1372	>	p.setCorePoolSize(s);
1373	>	try {
1374	>	p.setMaximumPoolSize(s - 1);
1375	>	shouldThrow();
1376	>	} catch (IllegalArgumentException success) {}
1377	>	assertEquals(s, p.getCorePoolSize());
1378	>	assertEquals(s, p.getMaximumPoolSize());
1379	>	try {
1380	>	p.setCorePoolSize(s + 1);
1381	>	shouldThrow();
1382	>	} catch (IllegalArgumentException success) {}
1383	>	assertEquals(s, p.getCorePoolSize());
1384	>	assertEquals(s, p.getMaximumPoolSize());
1385	>	}
1386	>	joinPool(p);
1387	>	}
1388	>
1389	>	/**
1390	>	* setKeepAliveTime throws IllegalArgumentException
1391	>	* when given a negative value
1392	>	*/
1393	>	public void testKeepAliveTimeIllegalArgumentException() {
1394	>	ThreadPoolExecutor p =
1395	>	new ThreadPoolExecutor(2, 3,
1396	>	LONG_DELAY_MS, MILLISECONDS,
1397	>	new ArrayBlockingQueue<Runnable>(10));
1398		try {
1399	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1399	>	p.setKeepAliveTime(-1,MILLISECONDS);
1400		shouldThrow();
1401	+	} catch (IllegalArgumentException success) {
1402	+	} finally {
1403	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1404		}
1405	<	catch (IllegalArgumentException success){}
1405	>	joinPool(p);
1406		}
1407
1408	<	/**
1409	<	* Constructor throws if keepAliveTime is less than zero
1408	>	/**
1409	>	* terminated() is called on termination
1410		*/
1411	<	public void testConstructor19() {
1411	>	public void testTerminated() {
1412	>	ExtendedTPE p = new ExtendedTPE();
1413	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1414	>	assertTrue(p.terminatedCalled());
1415	>	joinPool(p);
1416	>	}
1417	>
1418	>	/**
1419	>	* beforeExecute and afterExecute are called when executing task
1420	>	*/
1421	>	public void testBeforeAfter() throws InterruptedException {
1422	>	ExtendedTPE p = new ExtendedTPE();
1423	>	try {
1424	>	final CountDownLatch done = new CountDownLatch(1);
1425	>	p.execute(new CheckedRunnable() {
1426	>	public void realRun() {
1427	>	done.countDown();
1428	>	}});
1429	>	await(p.afterCalled);
1430	>	assertEquals(0, done.getCount());
1431	>	assertTrue(p.afterCalled());
1432	>	assertTrue(p.beforeCalled());
1433	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1434	>	} finally {
1435	>	joinPool(p);
1436	>	}
1437	>	}
1438	>
1439	>	/**
1440	>	* completed submit of callable returns result
1441	>	*/
1442	>	public void testSubmitCallable() throws Exception {
1443	>	ExecutorService e =
1444	>	new ThreadPoolExecutor(2, 2,
1445	>	LONG_DELAY_MS, MILLISECONDS,
1446	>	new ArrayBlockingQueue<Runnable>(10));
1447	>	try {
1448	>	Future<String> future = e.submit(new StringTask());
1449	>	String result = future.get();
1450	>	assertSame(TEST_STRING, result);
1451	>	} finally {
1452	>	joinPool(e);
1453	>	}
1454	>	}
1455	>
1456	>	/**
1457	>	* completed submit of runnable returns successfully
1458	>	*/
1459	>	public void testSubmitRunnable() throws Exception {
1460	>	ExecutorService e =
1461	>	new ThreadPoolExecutor(2, 2,
1462	>	LONG_DELAY_MS, MILLISECONDS,
1463	>	new ArrayBlockingQueue<Runnable>(10));
1464	>	try {
1465	>	Future<?> future = e.submit(new NoOpRunnable());
1466	>	future.get();
1467	>	assertTrue(future.isDone());
1468	>	} finally {
1469	>	joinPool(e);
1470	>	}
1471	>	}
1472	>
1473	>	/**
1474	>	* completed submit of (runnable, result) returns result
1475	>	*/
1476	>	public void testSubmitRunnable2() throws Exception {
1477	>	ExecutorService e =
1478	>	new ThreadPoolExecutor(2, 2,
1479	>	LONG_DELAY_MS, MILLISECONDS,
1480	>	new ArrayBlockingQueue<Runnable>(10));
1481	>	try {
1482	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1483	>	String result = future.get();
1484	>	assertSame(TEST_STRING, result);
1485	>	} finally {
1486	>	joinPool(e);
1487	>	}
1488	>	}
1489	>
1490	>	/**
1491	>	* invokeAny(null) throws NPE
1492	>	*/
1493	>	public void testInvokeAny1() throws Exception {
1494	>	ExecutorService e =
1495	>	new ThreadPoolExecutor(2, 2,
1496	>	LONG_DELAY_MS, MILLISECONDS,
1497	>	new ArrayBlockingQueue<Runnable>(10));
1498		try {
1499	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1499	>	e.invokeAny(null);
1500		shouldThrow();
1501	+	} catch (NullPointerException success) {
1502	+	} finally {
1503	+	joinPool(e);
1504		}
524	–	catch (IllegalArgumentException success){}
1505		}
1506
1507	<	/**
1508	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1507	>	/**
1508	>	* invokeAny(empty collection) throws IAE
1509		*/
1510	<	public void testConstructor20() {
1510	>	public void testInvokeAny2() throws Exception {
1511	>	ExecutorService e =
1512	>	new ThreadPoolExecutor(2, 2,
1513	>	LONG_DELAY_MS, MILLISECONDS,
1514	>	new ArrayBlockingQueue<Runnable>(10));
1515		try {
1516	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1516	>	e.invokeAny(new ArrayList<Callable<String>>());
1517		shouldThrow();
1518	+	} catch (IllegalArgumentException success) {
1519	+	} finally {
1520	+	joinPool(e);
1521		}
535	–	catch (IllegalArgumentException success){}
1522		}
1523
1524	<	/**
1525	<	* Constructor throws if workQueue is set to null
1524	>	/**
1525	>	* invokeAny(c) throws NPE if c has null elements
1526		*/
1527	<	public void testNullPointerException6() {
1527	>	public void testInvokeAny3() throws Exception {
1528	>	final CountDownLatch latch = new CountDownLatch(1);
1529	>	final ExecutorService e =
1530	>	new ThreadPoolExecutor(2, 2,
1531	>	LONG_DELAY_MS, MILLISECONDS,
1532	>	new ArrayBlockingQueue<Runnable>(10));
1533	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1534	>	l.add(latchAwaitingStringTask(latch));
1535	>	l.add(null);
1536		try {
1537	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1537	>	e.invokeAny(l);
1538		shouldThrow();
1539	+	} catch (NullPointerException success) {
1540	+	} finally {
1541	+	latch.countDown();
1542	+	joinPool(e);
1543		}
546	–	catch (NullPointerException success){}
1544		}
1545
1546	<	/**
1547	<	* Constructor throws if handler is set to null
1546	>	/**
1547	>	* invokeAny(c) throws ExecutionException if no task completes
1548		*/
1549	<	public void testNullPointerException7() {
1549	>	public void testInvokeAny4() throws Exception {
1550	>	ExecutorService e =
1551	>	new ThreadPoolExecutor(2, 2,
1552	>	LONG_DELAY_MS, MILLISECONDS,
1553	>	new ArrayBlockingQueue<Runnable>(10));
1554	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1555	>	l.add(new NPETask());
1556		try {
1557	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1557	>	e.invokeAny(l);
1558		shouldThrow();
1559	+	} catch (ExecutionException success) {
1560	+	assertTrue(success.getCause() instanceof NullPointerException);
1561	+	} finally {
1562	+	joinPool(e);
1563	+	}
1564	+	}
1565	+
1566	+	/**
1567	+	* invokeAny(c) returns result of some task
1568	+	*/
1569	+	public void testInvokeAny5() throws Exception {
1570	+	ExecutorService e =
1571	+	new ThreadPoolExecutor(2, 2,
1572	+	LONG_DELAY_MS, MILLISECONDS,
1573	+	new ArrayBlockingQueue<Runnable>(10));
1574	+	try {
1575	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1576	+	l.add(new StringTask());
1577	+	l.add(new StringTask());
1578	+	String result = e.invokeAny(l);
1579	+	assertSame(TEST_STRING, result);
1580	+	} finally {
1581	+	joinPool(e);
1582		}
558	–	catch (NullPointerException success){}
1583		}
1584
1585	<	/**
1586	<	* Constructor throws if ThreadFactory is set top null
1585	>	/**
1586	>	* invokeAll(null) throws NPE
1587		*/
1588	<	public void testNullPointerException8() {
1588	>	public void testInvokeAll1() throws Exception {
1589	>	ExecutorService e =
1590	>	new ThreadPoolExecutor(2, 2,
1591	>	LONG_DELAY_MS, MILLISECONDS,
1592	>	new ArrayBlockingQueue<Runnable>(10));
1593		try {
1594	<	ThreadFactory f = null;
567	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1594	>	e.invokeAll(null);
1595		shouldThrow();
1596	+	} catch (NullPointerException success) {
1597	+	} finally {
1598	+	joinPool(e);
1599		}
570	–	catch (NullPointerException successdn8){}
1600		}
572	–
1601
1602		/**
1603	<	*  execute throws RejectedExecutionException if shutdown
1603	>	* invokeAll(empty collection) returns empty collection
1604		*/
1605	<	public void testRejectedExecutionException() {
1606	<	ThreadPoolExecutor tpe = null;
1605	>	public void testInvokeAll2() throws InterruptedException {
1606	>	ExecutorService e =
1607	>	new ThreadPoolExecutor(2, 2,
1608	>	LONG_DELAY_MS, MILLISECONDS,
1609	>	new ArrayBlockingQueue<Runnable>(10));
1610		try {
1611	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1612	<	} catch(Exception e){}
1613	<	tpe.shutdown();
1614	<	try {
1615	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1611	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1612	>	assertTrue(r.isEmpty());
1613	>	} finally {
1614	>	joinPool(e);
1615	>	}
1616		}
1617
1618		/**
1619	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1619	>	* invokeAll(c) throws NPE if c has null elements
1620		*/
1621	<	public void testSaturatedExecute() {
1622	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1621	>	public void testInvokeAll3() throws Exception {
1622	>	ExecutorService e =
1623	>	new ThreadPoolExecutor(2, 2,
1624	>	LONG_DELAY_MS, MILLISECONDS,
1625	>	new ArrayBlockingQueue<Runnable>(10));
1626	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1627	>	l.add(new StringTask());
1628	>	l.add(null);
1629	>	try {
1630	>	e.invokeAll(l);
1631	>	shouldThrow();
1632	>	} catch (NullPointerException success) {
1633	>	} finally {
1634	>	joinPool(e);
1635	>	}
1636	>	}
1637	>
1638	>	/**
1639	>	* get of element of invokeAll(c) throws exception on failed task
1640	>	*/
1641	>	public void testInvokeAll4() throws Exception {
1642	>	ExecutorService e =
1643	>	new ThreadPoolExecutor(2, 2,
1644	>	LONG_DELAY_MS, MILLISECONDS,
1645	>	new ArrayBlockingQueue<Runnable>(10));
1646		try {
1647	<
1648	<	for(int i = 0; i < 5; ++i){
1649	<	p.execute(new MediumRunnable());
1647	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1648	>	l.add(new NPETask());
1649	>	List<Future<String>> futures = e.invokeAll(l);
1650	>	assertEquals(1, futures.size());
1651	>	try {
1652	>	futures.get(0).get();
1653	>	shouldThrow();
1654	>	} catch (ExecutionException success) {
1655	>	assertTrue(success.getCause() instanceof NullPointerException);
1656		}
1657	+	} finally {
1658	+	joinPool(e);
1659	+	}
1660	+	}
1661	+
1662	+	/**
1663	+	* invokeAll(c) returns results of all completed tasks
1664	+	*/
1665	+	public void testInvokeAll5() throws Exception {
1666	+	ExecutorService e =
1667	+	new ThreadPoolExecutor(2, 2,
1668	+	LONG_DELAY_MS, MILLISECONDS,
1669	+	new ArrayBlockingQueue<Runnable>(10));
1670	+	try {
1671	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1672	+	l.add(new StringTask());
1673	+	l.add(new StringTask());
1674	+	List<Future<String>> futures = e.invokeAll(l);
1675	+	assertEquals(2, futures.size());
1676	+	for (Future<String> future : futures)
1677	+	assertSame(TEST_STRING, future.get());
1678	+	} finally {
1679	+	joinPool(e);
1680	+	}
1681	+	}
1682	+
1683	+	/**
1684	+	* timed invokeAny(null) throws NPE
1685	+	*/
1686	+	public void testTimedInvokeAny1() throws Exception {
1687	+	ExecutorService e =
1688	+	new ThreadPoolExecutor(2, 2,
1689	+	LONG_DELAY_MS, MILLISECONDS,
1690	+	new ArrayBlockingQueue<Runnable>(10));
1691	+	try {
1692	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1693		shouldThrow();
1694	<	} catch(RejectedExecutionException success){}
1695	<	joinPool(p);
1694	>	} catch (NullPointerException success) {
1695	>	} finally {
1696	>	joinPool(e);
1697	>	}
1698		}
1699
1700		/**
1701	<	*  execute (null) throws NPE
1701	>	* timed invokeAny(,,null) throws NPE
1702		*/
1703	<	public void testExecuteNull() {
1704	<	ThreadPoolExecutor tpe = null;
1703	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1704	>	ExecutorService e =
1705	>	new ThreadPoolExecutor(2, 2,
1706	>	LONG_DELAY_MS, MILLISECONDS,
1707	>	new ArrayBlockingQueue<Runnable>(10));
1708	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1709	>	l.add(new StringTask());
1710		try {
1711	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1711	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1712		shouldThrow();
1713	<	} catch(NullPointerException success){}
1714	<
1715	<	joinPool(tpe);
1713	>	} catch (NullPointerException success) {
1714	>	} finally {
1715	>	joinPool(e);
1716	>	}
1717		}
1718	<
1718	>
1719		/**
1720	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1720	>	* timed invokeAny(empty collection) throws IAE
1721		*/
1722	<	public void testCorePoolSizeIllegalArgumentException() {
1723	<	ThreadPoolExecutor tpe = null;
1724	<	try {
1725	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1726	<	} catch(Exception e){}
629	<	try {
630	<	tpe.setCorePoolSize(-1);
631	<	shouldThrow();
632	<	} catch(IllegalArgumentException success){
633	<	} finally {
634	<	tpe.shutdown();
635	<	}
636	<	joinPool(tpe);
637	<	}
638	<
639	<	/**
640	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
641	<	*  given a value less the core pool size
642	<	*/
643	<	public void testMaximumPoolSizeIllegalArgumentException() {
644	<	ThreadPoolExecutor tpe = null;
1722	>	public void testTimedInvokeAny2() throws Exception {
1723	>	ExecutorService e =
1724	>	new ThreadPoolExecutor(2, 2,
1725	>	LONG_DELAY_MS, MILLISECONDS,
1726	>	new ArrayBlockingQueue<Runnable>(10));
1727		try {
1728	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1729	<	} catch(Exception e){}
1728	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1729	>	shouldThrow();
1730	>	} catch (IllegalArgumentException success) {
1731	>	} finally {
1732	>	joinPool(e);
1733	>	}
1734	>	}
1735	>
1736	>	/**
1737	>	* timed invokeAny(c) throws NPE if c has null elements
1738	>	*/
1739	>	public void testTimedInvokeAny3() throws Exception {
1740	>	final CountDownLatch latch = new CountDownLatch(1);
1741	>	final ExecutorService e =
1742	>	new ThreadPoolExecutor(2, 2,
1743	>	LONG_DELAY_MS, MILLISECONDS,
1744	>	new ArrayBlockingQueue<Runnable>(10));
1745	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1746	>	l.add(latchAwaitingStringTask(latch));
1747	>	l.add(null);
1748		try {
1749	<	tpe.setMaximumPoolSize(1);
1749	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1750		shouldThrow();
1751	<	} catch(IllegalArgumentException success){
1751	>	} catch (NullPointerException success) {
1752		} finally {
1753	<	tpe.shutdown();
1753	>	latch.countDown();
1754	>	joinPool(e);
1755		}
655	–	joinPool(tpe);
1756		}
1757	<
1757	>
1758		/**
1759	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1759	>	* timed invokeAny(c) throws ExecutionException if no task completes
1760		*/
1761	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1762	<	ThreadPoolExecutor tpe = null;
1761	>	public void testTimedInvokeAny4() throws Exception {
1762	>	ExecutorService e =
1763	>	new ThreadPoolExecutor(2, 2,
1764	>	LONG_DELAY_MS, MILLISECONDS,
1765	>	new ArrayBlockingQueue<Runnable>(10));
1766	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1767	>	l.add(new NPETask());
1768		try {
1769	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1770	<	} catch(Exception e){}
1769	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1770	>	shouldThrow();
1771	>	} catch (ExecutionException success) {
1772	>	assertTrue(success.getCause() instanceof NullPointerException);
1773	>	} finally {
1774	>	joinPool(e);
1775	>	}
1776	>	}
1777	>
1778	>	/**
1779	>	* timed invokeAny(c) returns result of some task
1780	>	*/
1781	>	public void testTimedInvokeAny5() throws Exception {
1782	>	ExecutorService e =
1783	>	new ThreadPoolExecutor(2, 2,
1784	>	LONG_DELAY_MS, MILLISECONDS,
1785	>	new ArrayBlockingQueue<Runnable>(10));
1786	>	try {
1787	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1788	>	l.add(new StringTask());
1789	>	l.add(new StringTask());
1790	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1791	>	assertSame(TEST_STRING, result);
1792	>	} finally {
1793	>	joinPool(e);
1794	>	}
1795	>	}
1796	>
1797	>	/**
1798	>	* timed invokeAll(null) throws NPE
1799	>	*/
1800	>	public void testTimedInvokeAll1() throws Exception {
1801	>	ExecutorService e =
1802	>	new ThreadPoolExecutor(2, 2,
1803	>	LONG_DELAY_MS, MILLISECONDS,
1804	>	new ArrayBlockingQueue<Runnable>(10));
1805		try {
1806	<	tpe.setMaximumPoolSize(-1);
1806	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1807		shouldThrow();
1808	<	} catch(IllegalArgumentException success){
1808	>	} catch (NullPointerException success) {
1809		} finally {
1810	<	tpe.shutdown();
1810	>	joinPool(e);
1811		}
674	–	joinPool(tpe);
1812		}
676	–
1813
1814		/**
1815	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1815	>	* timed invokeAll(,,null) throws NPE
1816		*/
1817	<	public void testKeepAliveTimeIllegalArgumentException() {
1818	<	ThreadPoolExecutor tpe = null;
1817	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1818	>	ExecutorService e =
1819	>	new ThreadPoolExecutor(2, 2,
1820	>	LONG_DELAY_MS, MILLISECONDS,
1821	>	new ArrayBlockingQueue<Runnable>(10));
1822	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1823	>	l.add(new StringTask());
1824	>	try {
1825	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1826	>	shouldThrow();
1827	>	} catch (NullPointerException success) {
1828	>	} finally {
1829	>	joinPool(e);
1830	>	}
1831	>	}
1832	>
1833	>	/**
1834	>	* timed invokeAll(empty collection) returns empty collection
1835	>	*/
1836	>	public void testTimedInvokeAll2() throws InterruptedException {
1837	>	ExecutorService e =
1838	>	new ThreadPoolExecutor(2, 2,
1839	>	LONG_DELAY_MS, MILLISECONDS,
1840	>	new ArrayBlockingQueue<Runnable>(10));
1841	>	try {
1842	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1843	>	assertTrue(r.isEmpty());
1844	>	} finally {
1845	>	joinPool(e);
1846	>	}
1847	>	}
1848	>
1849	>	/**
1850	>	* timed invokeAll(c) throws NPE if c has null elements
1851	>	*/
1852	>	public void testTimedInvokeAll3() throws Exception {
1853	>	ExecutorService e =
1854	>	new ThreadPoolExecutor(2, 2,
1855	>	LONG_DELAY_MS, MILLISECONDS,
1856	>	new ArrayBlockingQueue<Runnable>(10));
1857	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1858	>	l.add(new StringTask());
1859	>	l.add(null);
1860		try {
1861	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
686	<	} catch(Exception e){}
687	<
688	<	try {
689	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1861	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1862		shouldThrow();
1863	<	} catch(IllegalArgumentException success){
1863	>	} catch (NullPointerException success) {
1864		} finally {
1865	<	tpe.shutdown();
1865	>	joinPool(e);
1866		}
695	–	joinPool(tpe);
1867		}
1868	<
1868	>
1869	>	/**
1870	>	* get of element of invokeAll(c) throws exception on failed task
1871	>	*/
1872	>	public void testTimedInvokeAll4() throws Exception {
1873	>	ExecutorService e =
1874	>	new ThreadPoolExecutor(2, 2,
1875	>	LONG_DELAY_MS, MILLISECONDS,
1876	>	new ArrayBlockingQueue<Runnable>(10));
1877	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1878	>	l.add(new NPETask());
1879	>	List<Future<String>> futures =
1880	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1881	>	assertEquals(1, futures.size());
1882	>	try {
1883	>	futures.get(0).get();
1884	>	shouldThrow();
1885	>	} catch (ExecutionException success) {
1886	>	assertTrue(success.getCause() instanceof NullPointerException);
1887	>	} finally {
1888	>	joinPool(e);
1889	>	}
1890	>	}
1891	>
1892	>	/**
1893	>	* timed invokeAll(c) returns results of all completed tasks
1894	>	*/
1895	>	public void testTimedInvokeAll5() throws Exception {
1896	>	ExecutorService e =
1897	>	new ThreadPoolExecutor(2, 2,
1898	>	LONG_DELAY_MS, MILLISECONDS,
1899	>	new ArrayBlockingQueue<Runnable>(10));
1900	>	try {
1901	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1902	>	l.add(new StringTask());
1903	>	l.add(new StringTask());
1904	>	List<Future<String>> futures =
1905	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1906	>	assertEquals(2, futures.size());
1907	>	for (Future<String> future : futures)
1908	>	assertSame(TEST_STRING, future.get());
1909	>	} finally {
1910	>	joinPool(e);
1911	>	}
1912	>	}
1913	>
1914	>	/**
1915	>	* timed invokeAll(c) cancels tasks not completed by timeout
1916	>	*/
1917	>	public void testTimedInvokeAll6() throws Exception {
1918	>	ExecutorService e =
1919	>	new ThreadPoolExecutor(2, 2,
1920	>	LONG_DELAY_MS, MILLISECONDS,
1921	>	new ArrayBlockingQueue<Runnable>(10));
1922	>	try {
1923	>	for (long timeout = timeoutMillis();;) {
1924	>	List<Callable<String>> tasks = new ArrayList<>();
1925	>	tasks.add(new StringTask("0"));
1926	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1927	>	tasks.add(new StringTask("2"));
1928	>	long startTime = System.nanoTime();
1929	>	List<Future<String>> futures =
1930	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1931	>	assertEquals(tasks.size(), futures.size());
1932	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1933	>	for (Future future : futures)
1934	>	assertTrue(future.isDone());
1935	>	assertTrue(futures.get(1).isCancelled());
1936	>	try {
1937	>	assertEquals("0", futures.get(0).get());
1938	>	assertEquals("2", futures.get(2).get());
1939	>	break;
1940	>	} catch (CancellationException retryWithLongerTimeout) {
1941	>	timeout *= 2;
1942	>	if (timeout >= LONG_DELAY_MS / 2)
1943	>	fail("expected exactly one task to be cancelled");
1944	>	}
1945	>	}
1946	>	} finally {
1947	>	joinPool(e);
1948	>	}
1949	>	}
1950	>
1951	>	/**
1952	>	* Execution continues if there is at least one thread even if
1953	>	* thread factory fails to create more
1954	>	*/
1955	>	public void testFailingThreadFactory() throws InterruptedException {
1956	>	final ExecutorService e =
1957	>	new ThreadPoolExecutor(100, 100,
1958	>	LONG_DELAY_MS, MILLISECONDS,
1959	>	new LinkedBlockingQueue<Runnable>(),
1960	>	new FailingThreadFactory());
1961	>	try {
1962	>	final int TASKS = 100;
1963	>	final CountDownLatch done = new CountDownLatch(TASKS);
1964	>	for (int k = 0; k < TASKS; ++k)
1965	>	e.execute(new CheckedRunnable() {
1966	>	public void realRun() {
1967	>	done.countDown();
1968	>	}});
1969	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1970	>	} finally {
1971	>	joinPool(e);
1972	>	}
1973	>	}
1974	>
1975	>	/**
1976	>	* allowsCoreThreadTimeOut is by default false.
1977	>	*/
1978	>	public void testAllowsCoreThreadTimeOut() {
1979	>	final ThreadPoolExecutor p =
1980	>	new ThreadPoolExecutor(2, 2,
1981	>	1000, MILLISECONDS,
1982	>	new ArrayBlockingQueue<Runnable>(10));
1983	>	assertFalse(p.allowsCoreThreadTimeOut());
1984	>	joinPool(p);
1985	>	}
1986	>
1987	>	/**
1988	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1989	>	*/
1990	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1991	>	long keepAliveTime = timeoutMillis();
1992	>	final ThreadPoolExecutor p =
1993	>	new ThreadPoolExecutor(2, 10,
1994	>	keepAliveTime, MILLISECONDS,
1995	>	new ArrayBlockingQueue<Runnable>(10));
1996	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1997	>	try {
1998	>	p.allowCoreThreadTimeOut(true);
1999	>	p.execute(new CheckedRunnable() {
2000	>	public void realRun() {
2001	>	threadStarted.countDown();
2002	>	assertEquals(1, p.getPoolSize());
2003	>	}});
2004	>	await(threadStarted);
2005	>	delay(keepAliveTime);
2006	>	long startTime = System.nanoTime();
2007	>	while (p.getPoolSize() > 0
2008	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2009	>	Thread.yield();
2010	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2011	>	assertEquals(0, p.getPoolSize());
2012	>	} finally {
2013	>	joinPool(p);
2014	>	}
2015	>	}
2016	>
2017	>	/**
2018	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2019	>	*/
2020	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2021	>	long keepAliveTime = timeoutMillis();
2022	>	final ThreadPoolExecutor p =
2023	>	new ThreadPoolExecutor(2, 10,
2024	>	keepAliveTime, MILLISECONDS,
2025	>	new ArrayBlockingQueue<Runnable>(10));
2026	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2027	>	try {
2028	>	p.allowCoreThreadTimeOut(false);
2029	>	p.execute(new CheckedRunnable() {
2030	>	public void realRun() throws InterruptedException {
2031	>	threadStarted.countDown();
2032	>	assertTrue(p.getPoolSize() >= 1);
2033	>	}});
2034	>	delay(2 * keepAliveTime);
2035	>	assertTrue(p.getPoolSize() >= 1);
2036	>	} finally {
2037	>	joinPool(p);
2038	>	}
2039	>	}
2040	>
2041	>	/**
2042	>	* execute allows the same task to be submitted multiple times, even
2043	>	* if rejected
2044	>	*/
2045	>	public void testRejectedRecycledTask() throws InterruptedException {
2046	>	final int nTasks = 1000;
2047	>	final CountDownLatch done = new CountDownLatch(nTasks);
2048	>	final Runnable recycledTask = new Runnable() {
2049	>	public void run() {
2050	>	done.countDown();
2051	>	}};
2052	>	final ThreadPoolExecutor p =
2053	>	new ThreadPoolExecutor(1, 30,
2054	>	60, SECONDS,
2055	>	new ArrayBlockingQueue(30));
2056	>	try {
2057	>	for (int i = 0; i < nTasks; ++i) {
2058	>	for (;;) {
2059	>	try {
2060	>	p.execute(recycledTask);
2061	>	break;
2062	>	}
2063	>	catch (RejectedExecutionException ignore) {}
2064	>	}
2065	>	}
2066	>	// enough time to run all tasks
2067	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2068	>	} finally {
2069	>	joinPool(p);
2070	>	}
2071	>	}
2072	>
2073	>	/**
2074	>	* get(cancelled task) throws CancellationException
2075	>	*/
2076	>	public void testGet_cancelled() throws Exception {
2077	>	final ExecutorService e =
2078	>	new ThreadPoolExecutor(1, 1,
2079	>	LONG_DELAY_MS, MILLISECONDS,
2080	>	new LinkedBlockingQueue<Runnable>());
2081	>	try {
2082	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2083	>	final CountDownLatch done = new CountDownLatch(1);
2084	>	final List<Future<?>> futures = new ArrayList<>();
2085	>	for (int i = 0; i < 2; i++) {
2086	>	Runnable r = new CheckedRunnable() { public void realRun()
2087	>	throws Throwable {
2088	>	blockerStarted.countDown();
2089	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2090	>	}};
2091	>	futures.add(e.submit(r));
2092	>	}
2093	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2094	>	for (Future<?> future : futures) future.cancel(false);
2095	>	for (Future<?> future : futures) {
2096	>	try {
2097	>	future.get();
2098	>	shouldThrow();
2099	>	} catch (CancellationException success) {}
2100	>	try {
2101	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2102	>	shouldThrow();
2103	>	} catch (CancellationException success) {}
2104	>	assertTrue(future.isCancelled());
2105	>	assertTrue(future.isDone());
2106	>	}
2107	>	done.countDown();
2108	>	} finally {
2109	>	joinPool(e);
2110	>	}
2111	>	}
2112	>
2113		}

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