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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.7 by dl, Fri Sep 26 15:33:14 2003 UTC vs.
Revision 1.102 by jsr166, Mon Oct 5 22:09:02 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		}
19	–
44
45	<	/**
46	<	*   execute successfully executes a runnable
47	<	*/
48	<	public void testExecute() {
49	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
50	<	try {
51	<	p1.execute(new Runnable() {
52	<	public void run() {
53	<	try {
54	<	Thread.sleep(SHORT_DELAY_MS);
55	<	} catch(InterruptedException e){
56	<	threadUnexpectedException();
57	<	}
58	<	}
59	<	});
60	<	Thread.sleep(SMALL_DELAY_MS);
61	<	} catch(InterruptedException e){
62	<	unexpectedException();
63	<	}
64	<	joinPool(p1);
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	>	}
80	>	}
81	>
82	>	/**
83	>	* execute successfully executes a runnable
84	>	*/
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	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97	>	}
98	>
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122	>	}
123	>
124	>	/**
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126	>	*/
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148	>	}
149	>
150	>	/**
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152	>	*/
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170	>	}
171	>
172	>	/**
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175	>	*/
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	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
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	>	}
204		}
205
206		/**
207	<	*  getActiveCount increases but doesn't overestimate, when a
45	<	*  thread becomes active
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209	<	public void testGetActiveCount() {
210	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	assertEquals(0, p2.getActiveCount());
212	<	p2.execute(new MediumRunnable());
213	<	try {
214	<	Thread.sleep(SHORT_DELAY_MS);
215	<	} catch(Exception e){
54	<	unexpectedException();
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216		}
56	–	assertEquals(1, p2.getActiveCount());
57	–	joinPool(p2);
217		}
218	<
218	>
219		/**
220	<	*   getCompletedTaskCount increases, but doesn't overestimate,
62	<	*   when tasks complete
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testGetCompletedTaskCount() {
223	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	assertEquals(0, p2.getCompletedTaskCount());
225	<	p2.execute(new ShortRunnable());
226	<	try {
227	<	Thread.sleep(MEDIUM_DELAY_MS);
228	<	} catch(Exception e){
71	<	unexpectedException();
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229		}
73	–	assertEquals(1, p2.getCompletedTaskCount());
74	–	p2.shutdown();
75	–	joinPool(p2);
230		}
231	<
231	>
232		/**
233	<	*   getCorePoolSize returns size given in constructor if not otherwise set
233	>	* getThreadFactory returns factory in constructor if not set
234		*/
235	<	public void testGetCorePoolSize() {
236	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237	<	assertEquals(1, p1.getCorePoolSize());
238	<	joinPool(p1);
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246		}
247	<
247	>
248		/**
249	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251	<	public void testGetKeepAliveTime() {
252	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
254	<	joinPool(p2);
255	<	}
256	<
257	<	/**
258	<	*   getLargestPoolSize increases, but doesn't overestimate, when
259	<	*   multiple threads active
260	<	*/
100	<	public void testGetLargestPoolSize() {
101	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
102	<	try {
103	<	assertEquals(0, p2.getLargestPoolSize());
104	<	p2.execute(new MediumRunnable());
105	<	p2.execute(new MediumRunnable());
106	<	Thread.sleep(SHORT_DELAY_MS);
107	<	assertEquals(2, p2.getLargestPoolSize());
108	<	} catch(Exception e){
109	<	unexpectedException();
110	<	}
111	<	joinPool(p2);
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261		}
262	<
262	>
263		/**
264	<	*   getMaximumPoolSize returns value given in constructor if not
116	<	*   otherwise set
264	>	* setThreadFactory(null) throws NPE
265		*/
266	<	public void testGetMaximumPoolSize() {
267	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	assertEquals(2, p2.getMaximumPoolSize());
269	<	joinPool(p2);
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276	>	}
277		}
278	<
278	>
279		/**
280	<	*   getPoolSize increases, but doesn't overestimate, when threads
126	<	*   become active
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282	<	public void testGetPoolSize() {
283	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
284	<	assertEquals(0, p1.getPoolSize());
285	<	p1.execute(new MediumRunnable());
286	<	assertEquals(1, p1.getPoolSize());
287	<	joinPool(p1);
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292		}
293	<
293	>
294		/**
295	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297		*/
298	<	public void testGetTaskCount() {
299	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	try {
301	<	assertEquals(0, p1.getTaskCount());
302	<	p1.execute(new MediumRunnable());
303	<	Thread.sleep(SHORT_DELAY_MS);
304	<	assertEquals(1, p1.getTaskCount());
305	<	} catch(Exception e){
306	<	unexpectedException();
307	<	}
149	<	joinPool(p1);
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308		}
309	<
309	>
310		/**
311	<	*   isShutDown is false before shutdown, true after
311	>	* setRejectedExecutionHandler(null) throws NPE
312		*/
313	<	public void testIsShutdown() {
314	<
315	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
316	<	assertFalse(p1.isShutdown());
317	<	p1.shutdown();
318	<	assertTrue(p1.isShutdown());
319	<	joinPool(p1);
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323	>	}
324		}
325
164	–
326		/**
327	<	*  isTerminated is false before termination, true after
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329		*/
330	<	public void testIsTerminated() {
331	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332	<	assertFalse(p1.isTerminated());
333	<	try {
334	<	p1.execute(new MediumRunnable());
335	<	} finally {
336	<	p1.shutdown();
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350		}
351	<	try {
177	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
178	<	assertTrue(p1.isTerminated());
179	<	} catch(Exception e){
180	<	unexpectedException();
181	<	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352		}
353
354		/**
355	<	*  isTerminating is not true when running or when terminated
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357		*/
358	<	public void testIsTerminating() {
359	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360	<	assertFalse(p1.isTerminating());
361	<	try {
362	<	p1.execute(new SmallRunnable());
363	<	assertFalse(p1.isTerminating());
364	<	} finally {
365	<	p1.shutdown();
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
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	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
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(LONG_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final int TASKS = 3;
402	>	final CountDownLatch done = new CountDownLatch(1);
403	>	final ThreadPoolExecutor p =
404	>	new ThreadPoolExecutor(1, 1,
405	>	LONG_DELAY_MS, MILLISECONDS,
406	>	new ArrayBlockingQueue<Runnable>(10));
407	>	try (PoolCleaner cleaner = cleaner(p, done)) {
408	>	final CountDownLatch threadStarted = new CountDownLatch(1);
409	>	assertEquals(0, p.getTaskCount());
410	>	assertEquals(0, p.getCompletedTaskCount());
411	>	p.execute(new CheckedRunnable() {
412	>	public void realRun() throws InterruptedException {
413	>	threadStarted.countDown();
414	>	done.await();
415	>	}});
416	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
417	>	assertEquals(1, p.getTaskCount());
418	>	assertEquals(0, p.getCompletedTaskCount());
419	>	for (int i = 0; i < TASKS; i++) {
420	>	assertEquals(1 + i, p.getTaskCount());
421	>	p.execute(new CheckedRunnable() {
422	>	public void realRun() throws InterruptedException {
423	>	threadStarted.countDown();
424	>	assertEquals(1 + TASKS, p.getTaskCount());
425	>	done.await();
426	>	}});
427	>	}
428	>	assertEquals(1 + TASKS, p.getTaskCount());
429	>	assertEquals(0, p.getCompletedTaskCount());
430		}
431	<	try {
432	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
198	<	assertTrue(p1.isTerminated());
199	<	assertFalse(p1.isTerminating());
200	<	} catch(Exception e){
201	<	unexpectedException();
202	<	}
431	>	assertEquals(1 + TASKS, p.getTaskCount());
432	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
433		}
434
435		/**
436	<	*   purge removes cancelled tasks from the queue
436	>	* isShutdown is false before shutdown, true after
437		*/
438	<	public void testPurge() {
439	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
440	<	CancellableTask[] tasks = new CancellableTask[5];
441	<	for(int i = 0; i < 5; i++){
442	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
443	<	p1.execute(tasks[i]);
438	>	public void testIsShutdown() {
439	>	final ThreadPoolExecutor p =
440	>	new ThreadPoolExecutor(1, 1,
441	>	LONG_DELAY_MS, MILLISECONDS,
442	>	new ArrayBlockingQueue<Runnable>(10));
443	>	try (PoolCleaner cleaner = cleaner(p)) {
444	>	assertFalse(p.isShutdown());
445	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
446	>	assertTrue(p.isShutdown());
447	>	}
448	>	}
449	>
450	>	/**
451	>	* awaitTermination on a non-shutdown pool times out
452	>	*/
453	>	public void testAwaitTermination_timesOut() throws InterruptedException {
454	>	final ThreadPoolExecutor p =
455	>	new ThreadPoolExecutor(1, 1,
456	>	LONG_DELAY_MS, MILLISECONDS,
457	>	new ArrayBlockingQueue<Runnable>(10));
458	>	try (PoolCleaner cleaner = cleaner(p)) {
459	>	assertFalse(p.isTerminated());
460	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
461	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
462	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
463	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
464	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
465	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
466	>	long timeoutNanos = 999999L;
467	>	long startTime = System.nanoTime();
468	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
469	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
470	>	assertFalse(p.isTerminated());
471	>	startTime = System.nanoTime();
472	>	long timeoutMillis = timeoutMillis();
473	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
474	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
475	>	assertFalse(p.isTerminated());
476	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
477	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
478	>	assertTrue(p.isTerminated());
479	>	}
480	>	}
481	>
482	>	/**
483	>	* isTerminated is false before termination, true after
484	>	*/
485	>	public void testIsTerminated() throws InterruptedException {
486	>	final ThreadPoolExecutor p =
487	>	new ThreadPoolExecutor(1, 1,
488	>	LONG_DELAY_MS, MILLISECONDS,
489	>	new ArrayBlockingQueue<Runnable>(10));
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	final CountDownLatch threadStarted = new CountDownLatch(1);
492	>	final CountDownLatch done = new CountDownLatch(1);
493	>	assertFalse(p.isTerminating());
494	>	p.execute(new CheckedRunnable() {
495	>	public void realRun() throws InterruptedException {
496	>	assertFalse(p.isTerminating());
497	>	threadStarted.countDown();
498	>	done.await();
499	>	}});
500	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
501	>	assertFalse(p.isTerminating());
502	>	done.countDown();
503	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
504	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
505	>	assertTrue(p.isTerminated());
506	>	assertFalse(p.isTerminating());
507	>	}
508	>	}
509	>
510	>	/**
511	>	* isTerminating is not true when running or when terminated
512	>	*/
513	>	public void testIsTerminating() throws InterruptedException {
514	>	final ThreadPoolExecutor p =
515	>	new ThreadPoolExecutor(1, 1,
516	>	LONG_DELAY_MS, MILLISECONDS,
517	>	new ArrayBlockingQueue<Runnable>(10));
518	>	try (PoolCleaner cleaner = cleaner(p)) {
519	>	final CountDownLatch threadStarted = new CountDownLatch(1);
520	>	final CountDownLatch done = new CountDownLatch(1);
521	>	assertFalse(p.isTerminating());
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminating());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534	>	assertFalse(p.isTerminating());
535	>	}
536	>	}
537	>
538	>	/**
539	>	* getQueue returns the work queue, which contains queued tasks
540	>	*/
541	>	public void testGetQueue() throws InterruptedException {
542	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
543	>	final ThreadPoolExecutor p =
544	>	new ThreadPoolExecutor(1, 1,
545	>	LONG_DELAY_MS, MILLISECONDS,
546	>	q);
547	>	try (PoolCleaner cleaner = cleaner(p)) {
548	>	final CountDownLatch threadStarted = new CountDownLatch(1);
549	>	final CountDownLatch done = new CountDownLatch(1);
550	>	FutureTask[] tasks = new FutureTask[5];
551	>	for (int i = 0; i < tasks.length; i++) {
552	>	Callable task = new CheckedCallable<Boolean>() {
553	>	public Boolean realCall() throws InterruptedException {
554	>	threadStarted.countDown();
555	>	assertSame(q, p.getQueue());
556	>	done.await();
557	>	return Boolean.TRUE;
558	>	}};
559	>	tasks[i] = new FutureTask(task);
560	>	p.execute(tasks[i]);
561	>	}
562	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
563	>	assertSame(q, p.getQueue());
564	>	assertFalse(q.contains(tasks[0]));
565	>	assertTrue(q.contains(tasks[tasks.length - 1]));
566	>	assertEquals(tasks.length - 1, q.size());
567	>	done.countDown();
568		}
215	–	tasks[4].cancel(true);
216	–	tasks[3].cancel(true);
217	–	p1.purge();
218	–	long count = p1.getTaskCount();
219	–	assertTrue(count >= 2 && count < 5);
220	–	joinPool(p1);
569		}
570
571		/**
572	<	*  shutDownNow returns a list containing tasks that were not run
573	<	*/
574	<	public void testShutDownNow() {
575	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
576	<	List l;
577	<	try {
578	<	for(int i = 0; i < 5; i++)
579	<	p1.execute(new MediumPossiblyInterruptedRunnable());
572	>	* remove(task) removes queued task, and fails to remove active task
573	>	*/
574	>	public void testRemove() throws InterruptedException {
575	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
576	>	final ThreadPoolExecutor p =
577	>	new ThreadPoolExecutor(1, 1,
578	>	LONG_DELAY_MS, MILLISECONDS,
579	>	q);
580	>	try (PoolCleaner cleaner = cleaner(p)) {
581	>	Runnable[] tasks = new Runnable[6];
582	>	final CountDownLatch threadStarted = new CountDownLatch(1);
583	>	final CountDownLatch done = new CountDownLatch(1);
584	>	for (int i = 0; i < tasks.length; i++) {
585	>	tasks[i] = new CheckedRunnable() {
586	>	public void realRun() throws InterruptedException {
587	>	threadStarted.countDown();
588	>	done.await();
589	>	}};
590	>	p.execute(tasks[i]);
591	>	}
592	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
593	>	assertFalse(p.remove(tasks[0]));
594	>	assertTrue(q.contains(tasks[4]));
595	>	assertTrue(q.contains(tasks[3]));
596	>	assertTrue(p.remove(tasks[4]));
597	>	assertFalse(p.remove(tasks[4]));
598	>	assertFalse(q.contains(tasks[4]));
599	>	assertTrue(q.contains(tasks[3]));
600	>	assertTrue(p.remove(tasks[3]));
601	>	assertFalse(q.contains(tasks[3]));
602	>	done.countDown();
603		}
604	<	finally {
605	<	l = p1.shutdownNow();
604	>	}
605	>
606	>	/**
607	>	* purge removes cancelled tasks from the queue
608	>	*/
609	>	public void testPurge() throws InterruptedException {
610	>	final CountDownLatch threadStarted = new CountDownLatch(1);
611	>	final CountDownLatch done = new CountDownLatch(1);
612	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
613	>	final ThreadPoolExecutor p =
614	>	new ThreadPoolExecutor(1, 1,
615	>	LONG_DELAY_MS, MILLISECONDS,
616	>	q);
617	>	try (PoolCleaner cleaner = cleaner(p, done)) {
618	>	FutureTask[] tasks = new FutureTask[5];
619	>	for (int i = 0; i < tasks.length; i++) {
620	>	Callable task = new CheckedCallable<Boolean>() {
621	>	public Boolean realCall() throws InterruptedException {
622	>	threadStarted.countDown();
623	>	done.await();
624	>	return Boolean.TRUE;
625	>	}};
626	>	tasks[i] = new FutureTask(task);
627	>	p.execute(tasks[i]);
628	>	}
629	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
630	>	assertEquals(tasks.length, p.getTaskCount());
631	>	assertEquals(tasks.length - 1, q.size());
632	>	assertEquals(1L, p.getActiveCount());
633	>	assertEquals(0L, p.getCompletedTaskCount());
634	>	tasks[4].cancel(true);
635	>	tasks[3].cancel(false);
636	>	p.purge();
637	>	assertEquals(tasks.length - 3, q.size());
638	>	assertEquals(tasks.length - 2, p.getTaskCount());
639	>	p.purge();         // Nothing to do
640	>	assertEquals(tasks.length - 3, q.size());
641	>	assertEquals(tasks.length - 2, p.getTaskCount());
642		}
643	<	assertTrue(p1.isShutdown());
644	<	assertTrue(l.size() <= 4);
643	>	}
644	>
645	>	/**
646	>	* shutdownNow returns a list containing tasks that were not run,
647	>	* and those tasks are drained from the queue
648	>	*/
649	>	public void testShutdownNow() throws InterruptedException {
650	>	final int poolSize = 2;
651	>	final int count = 5;
652	>	final AtomicInteger ran = new AtomicInteger(0);
653	>	final ThreadPoolExecutor p =
654	>	new ThreadPoolExecutor(poolSize, poolSize,
655	>	LONG_DELAY_MS, MILLISECONDS,
656	>	new ArrayBlockingQueue<Runnable>(10));
657	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
658	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
659	>	threadsStarted.countDown();
660	>	try {
661	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
662	>	} catch (InterruptedException success) {}
663	>	ran.getAndIncrement();
664	>	}};
665	>	for (int i = 0; i < count; i++)
666	>	p.execute(waiter);
667	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
668	>	assertEquals(poolSize, p.getActiveCount());
669	>	assertEquals(0, p.getCompletedTaskCount());
670	>	final List<Runnable> queuedTasks;
671	>	try {
672	>	queuedTasks = p.shutdownNow();
673	>	} catch (SecurityException ok) {
674	>	return; // Allowed in case test doesn't have privs
675	>	}
676	>	assertTrue(p.isShutdown());
677	>	assertTrue(p.getQueue().isEmpty());
678	>	assertEquals(count - poolSize, queuedTasks.size());
679	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
680	>	assertTrue(p.isTerminated());
681	>	assertEquals(poolSize, ran.get());
682	>	assertEquals(poolSize, p.getCompletedTaskCount());
683		}
684
685		// Exception Tests
241	–
686
687	<	/**
688	<	* Constructor throws if corePoolSize argument is less than zero
687	>	/**
688	>	* Constructor throws if corePoolSize argument is less than zero
689		*/
690		public void testConstructor1() {
691		try {
692	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
692	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
693	>	new ArrayBlockingQueue<Runnable>(10));
694		shouldThrow();
695	<	}
251	<	catch (IllegalArgumentException success){}
695	>	} catch (IllegalArgumentException success) {}
696		}
697	<
698	<	/**
699	<	* Constructor throws if maximumPoolSize is less than zero
697	>
698	>	/**
699	>	* Constructor throws if maximumPoolSize is less than zero
700		*/
701		public void testConstructor2() {
702		try {
703	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
703	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
704	>	new ArrayBlockingQueue<Runnable>(10));
705		shouldThrow();
706	<	}
262	<	catch (IllegalArgumentException success){}
706	>	} catch (IllegalArgumentException success) {}
707		}
708	<
709	<	/**
710	<	* Constructor throws if maximumPoolSize is equal to zero
708	>
709	>	/**
710	>	* Constructor throws if maximumPoolSize is equal to zero
711		*/
712		public void testConstructor3() {
713		try {
714	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
714	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
715	>	new ArrayBlockingQueue<Runnable>(10));
716		shouldThrow();
717	<	}
273	<	catch (IllegalArgumentException success){}
717	>	} catch (IllegalArgumentException success) {}
718		}
719
720	<	/**
721	<	* Constructor throws if keepAliveTime is less than zero
720	>	/**
721	>	* Constructor throws if keepAliveTime is less than zero
722		*/
723		public void testConstructor4() {
724		try {
725	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
725	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
726	>	new ArrayBlockingQueue<Runnable>(10));
727		shouldThrow();
728	<	}
284	<	catch (IllegalArgumentException success){}
728	>	} catch (IllegalArgumentException success) {}
729		}
730
731	<	/**
732	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
731	>	/**
732	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
733		*/
734		public void testConstructor5() {
735		try {
736	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
736	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
737	>	new ArrayBlockingQueue<Runnable>(10));
738		shouldThrow();
739	<	}
295	<	catch (IllegalArgumentException success){}
739	>	} catch (IllegalArgumentException success) {}
740		}
741	<
742	<	/**
743	<	* Constructor throws if workQueue is set to null
741	>
742	>	/**
743	>	* Constructor throws if workQueue is set to null
744		*/
745	<	public void testNullPointerException() {
745	>	public void testConstructorNullPointerException() {
746		try {
747	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
747	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
748	>	(BlockingQueue) null);
749		shouldThrow();
750	<	}
306	<	catch (NullPointerException success){}
750	>	} catch (NullPointerException success) {}
751		}
308	–
752
753	<
754	<	/**
312	<	* Constructor throws if corePoolSize argument is less than zero
753	>	/**
754	>	* Constructor throws if corePoolSize argument is less than zero
755		*/
756		public void testConstructor6() {
757		try {
758	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
758	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
759	>	new ArrayBlockingQueue<Runnable>(10),
760	>	new SimpleThreadFactory());
761		shouldThrow();
762	<	} catch (IllegalArgumentException success){}
762	>	} catch (IllegalArgumentException success) {}
763		}
764	<
765	<	/**
766	<	* Constructor throws if maximumPoolSize is less than zero
764	>
765	>	/**
766	>	* Constructor throws if maximumPoolSize is less than zero
767		*/
768		public void testConstructor7() {
769		try {
770	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
770	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
771	>	new ArrayBlockingQueue<Runnable>(10),
772	>	new SimpleThreadFactory());
773		shouldThrow();
774	<	}
329	<	catch (IllegalArgumentException success){}
774	>	} catch (IllegalArgumentException success) {}
775		}
776
777	<	/**
778	<	* Constructor throws if maximumPoolSize is equal to zero
777	>	/**
778	>	* Constructor throws if maximumPoolSize is equal to zero
779		*/
780		public void testConstructor8() {
781		try {
782	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
782	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
783	>	new ArrayBlockingQueue<Runnable>(10),
784	>	new SimpleThreadFactory());
785		shouldThrow();
786	<	}
340	<	catch (IllegalArgumentException success){}
786	>	} catch (IllegalArgumentException success) {}
787		}
788
789	<	/**
790	<	* Constructor throws if keepAliveTime is less than zero
789	>	/**
790	>	* Constructor throws if keepAliveTime is less than zero
791		*/
792		public void testConstructor9() {
793		try {
794	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
794	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
795	>	new ArrayBlockingQueue<Runnable>(10),
796	>	new SimpleThreadFactory());
797		shouldThrow();
798	<	}
351	<	catch (IllegalArgumentException success){}
798	>	} catch (IllegalArgumentException success) {}
799		}
800
801	<	/**
802	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
801	>	/**
802	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
803		*/
804		public void testConstructor10() {
805		try {
806	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
806	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
807	>	new ArrayBlockingQueue<Runnable>(10),
808	>	new SimpleThreadFactory());
809		shouldThrow();
810	<	}
362	<	catch (IllegalArgumentException success){}
810	>	} catch (IllegalArgumentException success) {}
811		}
812
813	<	/**
814	<	* Constructor throws if workQueue is set to null
813	>	/**
814	>	* Constructor throws if workQueue is set to null
815		*/
816	<	public void testNullPointerException2() {
816	>	public void testConstructorNullPointerException2() {
817		try {
818	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
818	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
819	>	(BlockingQueue) null,
820	>	new SimpleThreadFactory());
821		shouldThrow();
822	<	}
373	<	catch (NullPointerException success){}
822	>	} catch (NullPointerException success) {}
823		}
824
825	<	/**
826	<	* Constructor throws if threadFactory is set to null
825	>	/**
826	>	* Constructor throws if threadFactory is set to null
827		*/
828	<	public void testNullPointerException3() {
828	>	public void testConstructorNullPointerException3() {
829		try {
830	<	ThreadFactory f = null;
831	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
830	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
831	>	new ArrayBlockingQueue<Runnable>(10),
832	>	(ThreadFactory) null);
833		shouldThrow();
834	<	}
385	<	catch (NullPointerException success){}
834	>	} catch (NullPointerException success) {}
835		}
836	<
837	<
838	<	/**
390	<	* Constructor throws if corePoolSize argument is less than zero
836	>
837	>	/**
838	>	* Constructor throws if corePoolSize argument is less than zero
839		*/
840		public void testConstructor11() {
841		try {
842	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
842	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
843	>	new ArrayBlockingQueue<Runnable>(10),
844	>	new NoOpREHandler());
845		shouldThrow();
846	<	}
397	<	catch (IllegalArgumentException success){}
846	>	} catch (IllegalArgumentException success) {}
847		}
848
849	<	/**
850	<	* Constructor throws if maximumPoolSize is less than zero
849	>	/**
850	>	* Constructor throws if maximumPoolSize is less than zero
851		*/
852		public void testConstructor12() {
853		try {
854	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
854	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
855	>	new ArrayBlockingQueue<Runnable>(10),
856	>	new NoOpREHandler());
857		shouldThrow();
858	<	}
408	<	catch (IllegalArgumentException success){}
858	>	} catch (IllegalArgumentException success) {}
859		}
860
861	<	/**
862	<	* Constructor throws if maximumPoolSize is equal to zero
861	>	/**
862	>	* Constructor throws if maximumPoolSize is equal to zero
863		*/
864		public void testConstructor13() {
865		try {
866	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
866	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
867	>	new ArrayBlockingQueue<Runnable>(10),
868	>	new NoOpREHandler());
869		shouldThrow();
870	<	}
419	<	catch (IllegalArgumentException success){}
870	>	} catch (IllegalArgumentException success) {}
871		}
872
873	<	/**
874	<	* Constructor throws if keepAliveTime is less than zero
873	>	/**
874	>	* Constructor throws if keepAliveTime is less than zero
875		*/
876		public void testConstructor14() {
877		try {
878	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
878	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
879	>	new ArrayBlockingQueue<Runnable>(10),
880	>	new NoOpREHandler());
881		shouldThrow();
882	<	}
430	<	catch (IllegalArgumentException success){}
882	>	} catch (IllegalArgumentException success) {}
883		}
884
885	<	/**
886	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
885	>	/**
886	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
887		*/
888		public void testConstructor15() {
889		try {
890	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
890	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
891	>	new ArrayBlockingQueue<Runnable>(10),
892	>	new NoOpREHandler());
893		shouldThrow();
894	<	}
441	<	catch (IllegalArgumentException success){}
894	>	} catch (IllegalArgumentException success) {}
895		}
896
897	<	/**
898	<	* Constructor throws if workQueue is set to null
897	>	/**
898	>	* Constructor throws if workQueue is set to null
899		*/
900	<	public void testNullPointerException4() {
900	>	public void testConstructorNullPointerException4() {
901		try {
902	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
902	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
903	>	(BlockingQueue) null,
904	>	new NoOpREHandler());
905		shouldThrow();
906	<	}
452	<	catch (NullPointerException success){}
906	>	} catch (NullPointerException success) {}
907		}
908
909	<	/**
910	<	* Constructor throws if handler is set to null
909	>	/**
910	>	* Constructor throws if handler is set to null
911		*/
912	<	public void testNullPointerException5() {
912	>	public void testConstructorNullPointerException5() {
913		try {
914	<	RejectedExecutionHandler r = null;
915	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
914	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
915	>	new ArrayBlockingQueue<Runnable>(10),
916	>	(RejectedExecutionHandler) null);
917		shouldThrow();
918	<	}
464	<	catch (NullPointerException success){}
918	>	} catch (NullPointerException success) {}
919		}
920
921	<
922	<	/**
469	<	* Constructor throws if corePoolSize argument is less than zero
921	>	/**
922	>	* Constructor throws if corePoolSize argument is less than zero
923		*/
924		public void testConstructor16() {
925		try {
926	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
926	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
927	>	new ArrayBlockingQueue<Runnable>(10),
928	>	new SimpleThreadFactory(),
929	>	new NoOpREHandler());
930		shouldThrow();
931	<	}
476	<	catch (IllegalArgumentException success){}
931	>	} catch (IllegalArgumentException success) {}
932		}
933
934	<	/**
935	<	* Constructor throws if maximumPoolSize is less than zero
934	>	/**
935	>	* Constructor throws if maximumPoolSize is less than zero
936		*/
937		public void testConstructor17() {
938		try {
939	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
939	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943		shouldThrow();
944	<	}
487	<	catch (IllegalArgumentException success){}
944	>	} catch (IllegalArgumentException success) {}
945		}
946
947	<	/**
948	<	* Constructor throws if maximumPoolSize is equal to zero
947	>	/**
948	>	* Constructor throws if maximumPoolSize is equal to zero
949		*/
950		public void testConstructor18() {
951		try {
952	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
952	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956		shouldThrow();
957	<	}
498	<	catch (IllegalArgumentException success){}
957	>	} catch (IllegalArgumentException success) {}
958		}
959
960	<	/**
961	<	* Constructor throws if keepAliveTime is less than zero
960	>	/**
961	>	* Constructor throws if keepAliveTime is less than zero
962		*/
963		public void testConstructor19() {
964		try {
965	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
965	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969		shouldThrow();
970	<	}
509	<	catch (IllegalArgumentException success){}
970	>	} catch (IllegalArgumentException success) {}
971		}
972
973	<	/**
974	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
973	>	/**
974	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
975		*/
976		public void testConstructor20() {
977		try {
978	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
978	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
979	>	new ArrayBlockingQueue<Runnable>(10),
980	>	new SimpleThreadFactory(),
981	>	new NoOpREHandler());
982		shouldThrow();
983	<	}
520	<	catch (IllegalArgumentException success){}
983	>	} catch (IllegalArgumentException success) {}
984		}
985
986	<	/**
987	<	* Constructor throws if workQueue is set to null
986	>	/**
987	>	* Constructor throws if workQueue is null
988		*/
989	<	public void testNullPointerException6() {
989	>	public void testConstructorNullPointerException6() {
990		try {
991	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
991	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	>	(BlockingQueue) null,
993	>	new SimpleThreadFactory(),
994	>	new NoOpREHandler());
995		shouldThrow();
996	<	}
531	<	catch (NullPointerException success){}
996	>	} catch (NullPointerException success) {}
997		}
998
999	<	/**
1000	<	* Constructor throws if handler is set to null
999	>	/**
1000	>	* Constructor throws if handler is null
1001		*/
1002	<	public void testNullPointerException7() {
1002	>	public void testConstructorNullPointerException7() {
1003		try {
1004	<	RejectedExecutionHandler r = null;
1005	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1004	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	>	new ArrayBlockingQueue<Runnable>(10),
1006	>	new SimpleThreadFactory(),
1007	>	(RejectedExecutionHandler) null);
1008		shouldThrow();
1009	<	}
543	<	catch (NullPointerException success){}
1009	>	} catch (NullPointerException success) {}
1010		}
1011
1012	<	/**
1013	<	* Constructor throws if ThreadFactory is set top null
1012	>	/**
1013	>	* Constructor throws if ThreadFactory is null
1014		*/
1015	<	public void testNullPointerException8() {
1015	>	public void testConstructorNullPointerException8() {
1016		try {
1017	<	ThreadFactory f = null;
1018	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1017	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1018	>	new ArrayBlockingQueue<Runnable>(10),
1019	>	(ThreadFactory) null,
1020	>	new NoOpREHandler());
1021		shouldThrow();
1022	<	}
555	<	catch (NullPointerException successdn8){}
1022	>	} catch (NullPointerException success) {}
1023		}
557	–
1024
1025		/**
1026	<	*  execute throws RejectedExecutionException if shutdown
1026	>	* get of submitted callable throws InterruptedException if interrupted
1027		*/
1028	<	public void testRejectedExecutionException() {
1029	<	ThreadPoolExecutor tpe = null;
1030	<	try {
1031	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1032	<	} catch(Exception e){}
1033	<	tpe.shutdown();
1034	<	try {
1035	<	tpe.execute(new NoOpRunnable());
1036	<	shouldThrow();
1037	<	} catch(RejectedExecutionException success){}
1038	<
1039	<	joinPool(tpe);
1028	>	public void testInterruptedSubmit() throws InterruptedException {
1029	>	final ThreadPoolExecutor p =
1030	>	new ThreadPoolExecutor(1, 1,
1031	>	60, SECONDS,
1032	>	new ArrayBlockingQueue<Runnable>(10));
1033	>
1034	>	try (PoolCleaner cleaner = cleaner(p)) {
1035	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1036	>	final CountDownLatch done = new CountDownLatch(1);
1037	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1038	>	public void realRun() throws Exception {
1039	>	Callable task = new CheckedCallable<Boolean>() {
1040	>	public Boolean realCall() throws InterruptedException {
1041	>	threadStarted.countDown();
1042	>	done.await();
1043	>	return Boolean.TRUE;
1044	>	}};
1045	>	p.submit(task).get();
1046	>	}});
1047	>
1048	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
1049	>	t.interrupt();
1050	>	awaitTermination(t, MEDIUM_DELAY_MS);
1051	>	done.countDown();
1052	>	}
1053		}
1054
1055		/**
1056	<	*  execute throws RejectedExecutionException
578	<	*  if saturated.
1056	>	* execute throws RejectedExecutionException if saturated.
1057		*/
1058		public void testSaturatedExecute() {
1059	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1060	<	try {
1061	<
1062	<	for(int i = 0; i < 5; ++i){
1063	<	p.execute(new MediumRunnable());
1059	>	final ThreadPoolExecutor p =
1060	>	new ThreadPoolExecutor(1, 1,
1061	>	LONG_DELAY_MS, MILLISECONDS,
1062	>	new ArrayBlockingQueue<Runnable>(1));
1063	>	try (PoolCleaner cleaner = cleaner(p)) {
1064	>	final CountDownLatch done = new CountDownLatch(1);
1065	>	Runnable task = new CheckedRunnable() {
1066	>	public void realRun() throws InterruptedException {
1067	>	done.await();
1068	>	}};
1069	>	for (int i = 0; i < 2; ++i)
1070	>	p.execute(task);
1071	>	for (int i = 0; i < 2; ++i) {
1072	>	try {
1073	>	p.execute(task);
1074	>	shouldThrow();
1075	>	} catch (RejectedExecutionException success) {}
1076	>	assertTrue(p.getTaskCount() <= 2);
1077		}
1078	<	shouldThrow();
1079	<	} catch(RejectedExecutionException success){}
1080	<	joinPool(p);
1078	>	done.countDown();
1079	>	}
1080	>	}
1081	>
1082	>	/**
1083	>	* submit(runnable) throws RejectedExecutionException if saturated.
1084	>	*/
1085	>	public void testSaturatedSubmitRunnable() {
1086	>	final ThreadPoolExecutor p =
1087	>	new ThreadPoolExecutor(1, 1,
1088	>	LONG_DELAY_MS, MILLISECONDS,
1089	>	new ArrayBlockingQueue<Runnable>(1));
1090	>	try (PoolCleaner cleaner = cleaner(p)) {
1091	>	final CountDownLatch done = new CountDownLatch(1);
1092	>	Runnable task = new CheckedRunnable() {
1093	>	public void realRun() throws InterruptedException {
1094	>	done.await();
1095	>	}};
1096	>	for (int i = 0; i < 2; ++i)
1097	>	p.submit(task);
1098	>	for (int i = 0; i < 2; ++i) {
1099	>	try {
1100	>	p.execute(task);
1101	>	shouldThrow();
1102	>	} catch (RejectedExecutionException success) {}
1103	>	assertTrue(p.getTaskCount() <= 2);
1104	>	}
1105	>	done.countDown();
1106	>	}
1107	>	}
1108	>
1109	>	/**
1110	>	* submit(callable) throws RejectedExecutionException if saturated.
1111	>	*/
1112	>	public void testSaturatedSubmitCallable() {
1113	>	final ThreadPoolExecutor p =
1114	>	new ThreadPoolExecutor(1, 1,
1115	>	LONG_DELAY_MS, MILLISECONDS,
1116	>	new ArrayBlockingQueue<Runnable>(1));
1117	>	try (PoolCleaner cleaner = cleaner(p)) {
1118	>	final CountDownLatch done = new CountDownLatch(1);
1119	>	Runnable task = new CheckedRunnable() {
1120	>	public void realRun() throws InterruptedException {
1121	>	done.await();
1122	>	}};
1123	>	for (int i = 0; i < 2; ++i)
1124	>	p.submit(Executors.callable(task));
1125	>	for (int i = 0; i < 2; ++i) {
1126	>	try {
1127	>	p.execute(task);
1128	>	shouldThrow();
1129	>	} catch (RejectedExecutionException success) {}
1130	>	assertTrue(p.getTaskCount() <= 2);
1131	>	}
1132	>	done.countDown();
1133	>	}
1134	>	}
1135	>
1136	>	/**
1137	>	* executor using CallerRunsPolicy runs task if saturated.
1138	>	*/
1139	>	public void testSaturatedExecute2() {
1140	>	final ThreadPoolExecutor p =
1141	>	new ThreadPoolExecutor(1, 1,
1142	>	LONG_DELAY_MS,
1143	>	MILLISECONDS,
1144	>	new ArrayBlockingQueue<Runnable>(1),
1145	>	new ThreadPoolExecutor.CallerRunsPolicy());
1146	>	try (PoolCleaner cleaner = cleaner(p)) {
1147	>	final CountDownLatch done = new CountDownLatch(1);
1148	>	Runnable blocker = new CheckedRunnable() {
1149	>	public void realRun() throws InterruptedException {
1150	>	done.await();
1151	>	}};
1152	>	p.execute(blocker);
1153	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1154	>	for (int i = 0; i < tasks.length; i++)
1155	>	tasks[i] = new TrackedNoOpRunnable();
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	>	assertFalse(tasks[0].done); // waiting in queue
1161	>	done.countDown();
1162	>	}
1163	>	}
1164	>
1165	>	/**
1166	>	* executor using DiscardPolicy drops task if saturated.
1167	>	*/
1168	>	public void testSaturatedExecute3() {
1169	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1170	>	for (int i = 0; i < tasks.length; ++i)
1171	>	tasks[i] = new TrackedNoOpRunnable();
1172	>	final ThreadPoolExecutor p =
1173	>	new ThreadPoolExecutor(1, 1,
1174	>	LONG_DELAY_MS, MILLISECONDS,
1175	>	new ArrayBlockingQueue<Runnable>(1),
1176	>	new ThreadPoolExecutor.DiscardPolicy());
1177	>	try (PoolCleaner cleaner = cleaner(p)) {
1178	>	final CountDownLatch done = new CountDownLatch(1);
1179	>	p.execute(awaiter(done));
1180	>
1181	>	for (TrackedNoOpRunnable task : tasks)
1182	>	p.execute(task);
1183	>	for (int i = 1; i < tasks.length; i++)
1184	>	assertFalse(tasks[i].done);
1185	>	done.countDown();
1186	>	}
1187	>	for (int i = 1; i < tasks.length; i++)
1188	>	assertFalse(tasks[i].done);
1189	>	assertTrue(tasks[0].done); // was waiting in queue
1190	>	}
1191	>
1192	>	/**
1193	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1194	>	*/
1195	>	public void testSaturatedExecute4() {
1196	>	final CountDownLatch done = new CountDownLatch(1);
1197	>	LatchAwaiter r1 = awaiter(done);
1198	>	LatchAwaiter r2 = awaiter(done);
1199	>	LatchAwaiter r3 = awaiter(done);
1200	>	final ThreadPoolExecutor p =
1201	>	new ThreadPoolExecutor(1, 1,
1202	>	LONG_DELAY_MS, MILLISECONDS,
1203	>	new ArrayBlockingQueue<Runnable>(1),
1204	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1205	>	try (PoolCleaner cleaner = cleaner(p)) {
1206	>	assertEquals(LatchAwaiter.NEW, r1.state);
1207	>	assertEquals(LatchAwaiter.NEW, r2.state);
1208	>	assertEquals(LatchAwaiter.NEW, r3.state);
1209	>	p.execute(r1);
1210	>	p.execute(r2);
1211	>	assertTrue(p.getQueue().contains(r2));
1212	>	p.execute(r3);
1213	>	assertFalse(p.getQueue().contains(r2));
1214	>	assertTrue(p.getQueue().contains(r3));
1215	>	done.countDown();
1216	>	}
1217	>	assertEquals(LatchAwaiter.DONE, r1.state);
1218	>	assertEquals(LatchAwaiter.NEW, r2.state);
1219	>	assertEquals(LatchAwaiter.DONE, r3.state);
1220	>	}
1221	>
1222	>	/**
1223	>	* execute throws RejectedExecutionException if shutdown
1224	>	*/
1225	>	public void testRejectedExecutionExceptionOnShutdown() {
1226	>	final ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(1, 1,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(1));
1230	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1231	>	try (PoolCleaner cleaner = cleaner(p)) {
1232	>	try {
1233	>	p.execute(new NoOpRunnable());
1234	>	shouldThrow();
1235	>	} catch (RejectedExecutionException success) {}
1236	>	}
1237	>	}
1238	>
1239	>	/**
1240	>	* execute using CallerRunsPolicy drops task on shutdown
1241	>	*/
1242	>	public void testCallerRunsOnShutdown() {
1243	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1244	>	final ThreadPoolExecutor p =
1245	>	new ThreadPoolExecutor(1, 1,
1246	>	LONG_DELAY_MS, MILLISECONDS,
1247	>	new ArrayBlockingQueue<Runnable>(1), h);
1248	>
1249	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1250	>	try (PoolCleaner cleaner = cleaner(p)) {
1251	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1252	>	p.execute(r);
1253	>	assertFalse(r.done);
1254	>	}
1255	>	}
1256	>
1257	>	/**
1258	>	* execute using DiscardPolicy drops task on shutdown
1259	>	*/
1260	>	public void testDiscardOnShutdown() {
1261	>	final ThreadPoolExecutor p =
1262	>	new ThreadPoolExecutor(1, 1,
1263	>	LONG_DELAY_MS, MILLISECONDS,
1264	>	new ArrayBlockingQueue<Runnable>(1),
1265	>	new ThreadPoolExecutor.DiscardPolicy());
1266	>
1267	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1268	>	try (PoolCleaner cleaner = cleaner(p)) {
1269	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1270	>	p.execute(r);
1271	>	assertFalse(r.done);
1272	>	}
1273	>	}
1274	>
1275	>	/**
1276	>	* execute using DiscardOldestPolicy drops task on shutdown
1277	>	*/
1278	>	public void testDiscardOldestOnShutdown() {
1279	>	final ThreadPoolExecutor p =
1280	>	new ThreadPoolExecutor(1, 1,
1281	>	LONG_DELAY_MS, MILLISECONDS,
1282	>	new ArrayBlockingQueue<Runnable>(1),
1283	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1284	>
1285	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1286	>	try (PoolCleaner cleaner = cleaner(p)) {
1287	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1288	>	p.execute(r);
1289	>	assertFalse(r.done);
1290	>	}
1291		}
1292
1293		/**
1294	<	*  execute (null) throws NPE
1294	>	* execute(null) throws NPE
1295		*/
1296		public void testExecuteNull() {
1297	<	ThreadPoolExecutor tpe = null;
1298	<	try {
1299	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1300	<	tpe.execute(null);
1301	<	shouldThrow();
1302	<	} catch(NullPointerException success){}
1303	<
1304	<	joinPool(tpe);
1297	>	final ThreadPoolExecutor p =
1298	>	new ThreadPoolExecutor(1, 2,
1299	>	1L, SECONDS,
1300	>	new ArrayBlockingQueue<Runnable>(10));
1301	>	try (PoolCleaner cleaner = cleaner(p)) {
1302	>	try {
1303	>	p.execute(null);
1304	>	shouldThrow();
1305	>	} catch (NullPointerException success) {}
1306	>	}
1307		}
1308	<
1308	>
1309		/**
1310	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1310	>	* setCorePoolSize of negative value throws IllegalArgumentException
1311		*/
1312		public void testCorePoolSizeIllegalArgumentException() {
1313	<	ThreadPoolExecutor tpe = null;
1314	<	try {
1315	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1316	<	} catch(Exception e){}
1317	<	try {
1318	<	tpe.setCorePoolSize(-1);
1319	<	shouldThrow();
1320	<	} catch(IllegalArgumentException success){
1321	<	} finally {
1322	<	tpe.shutdown();
1323	<	}
1324	<	joinPool(tpe);
1325	<	}
1326	<
1327	<	/**
1328	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
626	<	*  given a value less the core pool size
627	<	*/
1313	>	final ThreadPoolExecutor p =
1314	>	new ThreadPoolExecutor(1, 2,
1315	>	LONG_DELAY_MS, MILLISECONDS,
1316	>	new ArrayBlockingQueue<Runnable>(10));
1317	>	try (PoolCleaner cleaner = cleaner(p)) {
1318	>	try {
1319	>	p.setCorePoolSize(-1);
1320	>	shouldThrow();
1321	>	} catch (IllegalArgumentException success) {}
1322	>	}
1323	>	}
1324	>
1325	>	/**
1326	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1327	>	* given a value less the core pool size
1328	>	*/
1329		public void testMaximumPoolSizeIllegalArgumentException() {
1330	<	ThreadPoolExecutor tpe = null;
1331	<	try {
1332	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1333	<	} catch(Exception e){}
1334	<	try {
1335	<	tpe.setMaximumPoolSize(1);
1336	<	shouldThrow();
1337	<	} catch(IllegalArgumentException success){
1338	<	} finally {
638	<	tpe.shutdown();
1330	>	final ThreadPoolExecutor p =
1331	>	new ThreadPoolExecutor(2, 3,
1332	>	LONG_DELAY_MS, MILLISECONDS,
1333	>	new ArrayBlockingQueue<Runnable>(10));
1334	>	try (PoolCleaner cleaner = cleaner(p)) {
1335	>	try {
1336	>	p.setMaximumPoolSize(1);
1337	>	shouldThrow();
1338	>	} catch (IllegalArgumentException success) {}
1339		}
640	–	joinPool(tpe);
1340		}
1341	<
1341	>
1342		/**
1343	<	*  setMaximumPoolSize throws IllegalArgumentException
1344	<	*  if given a negative value
1343	>	* setMaximumPoolSize throws IllegalArgumentException
1344	>	* if given a negative value
1345		*/
1346		public void testMaximumPoolSizeIllegalArgumentException2() {
1347	<	ThreadPoolExecutor tpe = null;
1348	<	try {
1349	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1350	<	} catch(Exception e){}
1351	<	try {
1352	<	tpe.setMaximumPoolSize(-1);
1353	<	shouldThrow();
1354	<	} catch(IllegalArgumentException success){
1355	<	} finally {
657	<	tpe.shutdown();
1347	>	final ThreadPoolExecutor p =
1348	>	new ThreadPoolExecutor(2, 3,
1349	>	LONG_DELAY_MS, MILLISECONDS,
1350	>	new ArrayBlockingQueue<Runnable>(10));
1351	>	try (PoolCleaner cleaner = cleaner(p)) {
1352	>	try {
1353	>	p.setMaximumPoolSize(-1);
1354	>	shouldThrow();
1355	>	} catch (IllegalArgumentException success) {}
1356		}
659	–	joinPool(tpe);
1357		}
661	–
1358
1359		/**
1360	<	*  setKeepAliveTime  throws IllegalArgumentException
1361	<	*  when given a negative value
1360	>	* Configuration changes that allow core pool size greater than
1361	>	* max pool size result in IllegalArgumentException.
1362	>	*/
1363	>	public void testPoolSizeInvariants() {
1364	>	final ThreadPoolExecutor p =
1365	>	new ThreadPoolExecutor(1, 1,
1366	>	LONG_DELAY_MS, MILLISECONDS,
1367	>	new ArrayBlockingQueue<Runnable>(10));
1368	>	try (PoolCleaner cleaner = cleaner(p)) {
1369	>	for (int s = 1; s < 5; s++) {
1370	>	p.setMaximumPoolSize(s);
1371	>	p.setCorePoolSize(s);
1372	>	try {
1373	>	p.setMaximumPoolSize(s - 1);
1374	>	shouldThrow();
1375	>	} catch (IllegalArgumentException success) {}
1376	>	assertEquals(s, p.getCorePoolSize());
1377	>	assertEquals(s, p.getMaximumPoolSize());
1378	>	try {
1379	>	p.setCorePoolSize(s + 1);
1380	>	shouldThrow();
1381	>	} catch (IllegalArgumentException success) {}
1382	>	assertEquals(s, p.getCorePoolSize());
1383	>	assertEquals(s, p.getMaximumPoolSize());
1384	>	}
1385	>	}
1386	>	}
1387	>
1388	>	/**
1389	>	* setKeepAliveTime throws IllegalArgumentException
1390	>	* when given a negative value
1391		*/
1392		public void testKeepAliveTimeIllegalArgumentException() {
1393	<	ThreadPoolExecutor tpe = null;
1394	<	try {
1395	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1396	<	} catch(Exception e){}
1397	<
1398	<	try {
1399	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1400	<	shouldThrow();
1401	<	} catch(IllegalArgumentException success){
1402	<	} finally {
1403	<	tpe.shutdown();
1393	>	final ThreadPoolExecutor p =
1394	>	new ThreadPoolExecutor(2, 3,
1395	>	LONG_DELAY_MS, MILLISECONDS,
1396	>	new ArrayBlockingQueue<Runnable>(10));
1397	>	try (PoolCleaner cleaner = cleaner(p)) {
1398	>	try {
1399	>	p.setKeepAliveTime(-1, MILLISECONDS);
1400	>	shouldThrow();
1401	>	} catch (IllegalArgumentException success) {}
1402	>	}
1403	>	}
1404	>
1405	>	/**
1406	>	* terminated() is called on termination
1407	>	*/
1408	>	public void testTerminated() {
1409	>	ExtendedTPE p = new ExtendedTPE();
1410	>	try (PoolCleaner cleaner = cleaner(p)) {
1411	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1412	>	assertTrue(p.terminatedCalled());
1413	>	assertTrue(p.isShutdown());
1414	>	}
1415	>	}
1416	>
1417	>	/**
1418	>	* beforeExecute and afterExecute are called when executing task
1419	>	*/
1420	>	public void testBeforeAfter() throws InterruptedException {
1421	>	ExtendedTPE p = new ExtendedTPE();
1422	>	try (PoolCleaner cleaner = cleaner(p)) {
1423	>	final CountDownLatch done = new CountDownLatch(1);
1424	>	p.execute(new CheckedRunnable() {
1425	>	public void realRun() {
1426	>	done.countDown();
1427	>	}});
1428	>	await(p.afterCalled);
1429	>	assertEquals(0, done.getCount());
1430	>	assertTrue(p.afterCalled());
1431	>	assertTrue(p.beforeCalled());
1432		}
680	–	joinPool(tpe);
1433		}
1434	<
1434	>
1435	>	/**
1436	>	* completed submit of callable returns result
1437	>	*/
1438	>	public void testSubmitCallable() throws Exception {
1439	>	final ExecutorService e =
1440	>	new ThreadPoolExecutor(2, 2,
1441	>	LONG_DELAY_MS, MILLISECONDS,
1442	>	new ArrayBlockingQueue<Runnable>(10));
1443	>	try (PoolCleaner cleaner = cleaner(e)) {
1444	>	Future<String> future = e.submit(new StringTask());
1445	>	String result = future.get();
1446	>	assertSame(TEST_STRING, result);
1447	>	}
1448	>	}
1449	>
1450	>	/**
1451	>	* completed submit of runnable returns successfully
1452	>	*/
1453	>	public void testSubmitRunnable() throws Exception {
1454	>	final ExecutorService e =
1455	>	new ThreadPoolExecutor(2, 2,
1456	>	LONG_DELAY_MS, MILLISECONDS,
1457	>	new ArrayBlockingQueue<Runnable>(10));
1458	>	try (PoolCleaner cleaner = cleaner(e)) {
1459	>	Future<?> future = e.submit(new NoOpRunnable());
1460	>	future.get();
1461	>	assertTrue(future.isDone());
1462	>	}
1463	>	}
1464	>
1465	>	/**
1466	>	* completed submit of (runnable, result) returns result
1467	>	*/
1468	>	public void testSubmitRunnable2() throws Exception {
1469	>	final ExecutorService e =
1470	>	new ThreadPoolExecutor(2, 2,
1471	>	LONG_DELAY_MS, MILLISECONDS,
1472	>	new ArrayBlockingQueue<Runnable>(10));
1473	>	try (PoolCleaner cleaner = cleaner(e)) {
1474	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1475	>	String result = future.get();
1476	>	assertSame(TEST_STRING, result);
1477	>	}
1478	>	}
1479	>
1480	>	/**
1481	>	* invokeAny(null) throws NPE
1482	>	*/
1483	>	public void testInvokeAny1() throws Exception {
1484	>	final ExecutorService e =
1485	>	new ThreadPoolExecutor(2, 2,
1486	>	LONG_DELAY_MS, MILLISECONDS,
1487	>	new ArrayBlockingQueue<Runnable>(10));
1488	>	try (PoolCleaner cleaner = cleaner(e)) {
1489	>	try {
1490	>	e.invokeAny(null);
1491	>	shouldThrow();
1492	>	} catch (NullPointerException success) {}
1493	>	}
1494	>	}
1495	>
1496	>	/**
1497	>	* invokeAny(empty collection) throws IAE
1498	>	*/
1499	>	public void testInvokeAny2() throws Exception {
1500	>	final ExecutorService e =
1501	>	new ThreadPoolExecutor(2, 2,
1502	>	LONG_DELAY_MS, MILLISECONDS,
1503	>	new ArrayBlockingQueue<Runnable>(10));
1504	>	try (PoolCleaner cleaner = cleaner(e)) {
1505	>	try {
1506	>	e.invokeAny(new ArrayList<Callable<String>>());
1507	>	shouldThrow();
1508	>	} catch (IllegalArgumentException success) {}
1509	>	}
1510	>	}
1511	>
1512	>	/**
1513	>	* invokeAny(c) throws NPE if c has null elements
1514	>	*/
1515	>	public void testInvokeAny3() throws Exception {
1516	>	final CountDownLatch latch = new CountDownLatch(1);
1517	>	final ExecutorService e =
1518	>	new ThreadPoolExecutor(2, 2,
1519	>	LONG_DELAY_MS, MILLISECONDS,
1520	>	new ArrayBlockingQueue<Runnable>(10));
1521	>	try (PoolCleaner cleaner = cleaner(e)) {
1522	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1523	>	l.add(latchAwaitingStringTask(latch));
1524	>	l.add(null);
1525	>	try {
1526	>	e.invokeAny(l);
1527	>	shouldThrow();
1528	>	} catch (NullPointerException success) {}
1529	>	latch.countDown();
1530	>	}
1531	>	}
1532	>
1533	>	/**
1534	>	* invokeAny(c) throws ExecutionException if no task completes
1535	>	*/
1536	>	public void testInvokeAny4() throws Exception {
1537	>	final ExecutorService e =
1538	>	new ThreadPoolExecutor(2, 2,
1539	>	LONG_DELAY_MS, MILLISECONDS,
1540	>	new ArrayBlockingQueue<Runnable>(10));
1541	>	try (PoolCleaner cleaner = cleaner(e)) {
1542	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1543	>	l.add(new NPETask());
1544	>	try {
1545	>	e.invokeAny(l);
1546	>	shouldThrow();
1547	>	} catch (ExecutionException success) {
1548	>	assertTrue(success.getCause() instanceof NullPointerException);
1549	>	}
1550	>	}
1551	>	}
1552	>
1553	>	/**
1554	>	* invokeAny(c) returns result of some task
1555	>	*/
1556	>	public void testInvokeAny5() throws Exception {
1557	>	final ExecutorService e =
1558	>	new ThreadPoolExecutor(2, 2,
1559	>	LONG_DELAY_MS, MILLISECONDS,
1560	>	new ArrayBlockingQueue<Runnable>(10));
1561	>	try (PoolCleaner cleaner = cleaner(e)) {
1562	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1563	>	l.add(new StringTask());
1564	>	l.add(new StringTask());
1565	>	String result = e.invokeAny(l);
1566	>	assertSame(TEST_STRING, result);
1567	>	}
1568	>	}
1569	>
1570	>	/**
1571	>	* invokeAll(null) throws NPE
1572	>	*/
1573	>	public void testInvokeAll1() throws Exception {
1574	>	final ExecutorService e =
1575	>	new ThreadPoolExecutor(2, 2,
1576	>	LONG_DELAY_MS, MILLISECONDS,
1577	>	new ArrayBlockingQueue<Runnable>(10));
1578	>	try (PoolCleaner cleaner = cleaner(e)) {
1579	>	try {
1580	>	e.invokeAll(null);
1581	>	shouldThrow();
1582	>	} catch (NullPointerException success) {}
1583	>	}
1584	>	}
1585	>
1586	>	/**
1587	>	* invokeAll(empty collection) returns empty collection
1588	>	*/
1589	>	public void testInvokeAll2() throws InterruptedException {
1590	>	final ExecutorService e =
1591	>	new ThreadPoolExecutor(2, 2,
1592	>	LONG_DELAY_MS, MILLISECONDS,
1593	>	new ArrayBlockingQueue<Runnable>(10));
1594	>	try (PoolCleaner cleaner = cleaner(e)) {
1595	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1596	>	assertTrue(r.isEmpty());
1597	>	}
1598	>	}
1599	>
1600	>	/**
1601	>	* invokeAll(c) throws NPE if c has null elements
1602	>	*/
1603	>	public void testInvokeAll3() throws Exception {
1604	>	final ExecutorService e =
1605	>	new ThreadPoolExecutor(2, 2,
1606	>	LONG_DELAY_MS, MILLISECONDS,
1607	>	new ArrayBlockingQueue<Runnable>(10));
1608	>	try (PoolCleaner cleaner = cleaner(e)) {
1609	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1610	>	l.add(new StringTask());
1611	>	l.add(null);
1612	>	try {
1613	>	e.invokeAll(l);
1614	>	shouldThrow();
1615	>	} catch (NullPointerException success) {}
1616	>	}
1617	>	}
1618	>
1619	>	/**
1620	>	* get of element of invokeAll(c) throws exception on failed task
1621	>	*/
1622	>	public void testInvokeAll4() throws Exception {
1623	>	final ExecutorService e =
1624	>	new ThreadPoolExecutor(2, 2,
1625	>	LONG_DELAY_MS, MILLISECONDS,
1626	>	new ArrayBlockingQueue<Runnable>(10));
1627	>	try (PoolCleaner cleaner = cleaner(e)) {
1628	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1629	>	l.add(new NPETask());
1630	>	List<Future<String>> futures = e.invokeAll(l);
1631	>	assertEquals(1, futures.size());
1632	>	try {
1633	>	futures.get(0).get();
1634	>	shouldThrow();
1635	>	} catch (ExecutionException success) {
1636	>	assertTrue(success.getCause() instanceof NullPointerException);
1637	>	}
1638	>	}
1639	>	}
1640	>
1641	>	/**
1642	>	* invokeAll(c) returns results of all completed tasks
1643	>	*/
1644	>	public void testInvokeAll5() throws Exception {
1645	>	final ExecutorService e =
1646	>	new ThreadPoolExecutor(2, 2,
1647	>	LONG_DELAY_MS, MILLISECONDS,
1648	>	new ArrayBlockingQueue<Runnable>(10));
1649	>	try (PoolCleaner cleaner = cleaner(e)) {
1650	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1651	>	l.add(new StringTask());
1652	>	l.add(new StringTask());
1653	>	List<Future<String>> futures = e.invokeAll(l);
1654	>	assertEquals(2, futures.size());
1655	>	for (Future<String> future : futures)
1656	>	assertSame(TEST_STRING, future.get());
1657	>	}
1658	>	}
1659	>
1660	>	/**
1661	>	* timed invokeAny(null) throws NPE
1662	>	*/
1663	>	public void testTimedInvokeAny1() throws Exception {
1664	>	final ExecutorService e =
1665	>	new ThreadPoolExecutor(2, 2,
1666	>	LONG_DELAY_MS, MILLISECONDS,
1667	>	new ArrayBlockingQueue<Runnable>(10));
1668	>	try (PoolCleaner cleaner = cleaner(e)) {
1669	>	try {
1670	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1671	>	shouldThrow();
1672	>	} catch (NullPointerException success) {}
1673	>	}
1674	>	}
1675	>
1676	>	/**
1677	>	* timed invokeAny(,,null) throws NPE
1678	>	*/
1679	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1680	>	final ExecutorService e =
1681	>	new ThreadPoolExecutor(2, 2,
1682	>	LONG_DELAY_MS, MILLISECONDS,
1683	>	new ArrayBlockingQueue<Runnable>(10));
1684	>	try (PoolCleaner cleaner = cleaner(e)) {
1685	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1686	>	l.add(new StringTask());
1687	>	try {
1688	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1689	>	shouldThrow();
1690	>	} catch (NullPointerException success) {}
1691	>	}
1692	>	}
1693	>
1694	>	/**
1695	>	* timed invokeAny(empty collection) throws IAE
1696	>	*/
1697	>	public void testTimedInvokeAny2() throws Exception {
1698	>	final ExecutorService e =
1699	>	new ThreadPoolExecutor(2, 2,
1700	>	LONG_DELAY_MS, MILLISECONDS,
1701	>	new ArrayBlockingQueue<Runnable>(10));
1702	>	try (PoolCleaner cleaner = cleaner(e)) {
1703	>	try {
1704	>	e.invokeAny(new ArrayList<Callable<String>>(),
1705	>	MEDIUM_DELAY_MS, MILLISECONDS);
1706	>	shouldThrow();
1707	>	} catch (IllegalArgumentException success) {}
1708	>	}
1709	>	}
1710	>
1711	>	/**
1712	>	* timed invokeAny(c) throws NPE if c has null elements
1713	>	*/
1714	>	public void testTimedInvokeAny3() throws Exception {
1715	>	final CountDownLatch latch = new CountDownLatch(1);
1716	>	final ExecutorService e =
1717	>	new ThreadPoolExecutor(2, 2,
1718	>	LONG_DELAY_MS, MILLISECONDS,
1719	>	new ArrayBlockingQueue<Runnable>(10));
1720	>	try (PoolCleaner cleaner = cleaner(e)) {
1721	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1722	>	l.add(latchAwaitingStringTask(latch));
1723	>	l.add(null);
1724	>	try {
1725	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1726	>	shouldThrow();
1727	>	} catch (NullPointerException success) {}
1728	>	latch.countDown();
1729	>	}
1730	>	}
1731	>
1732	>	/**
1733	>	* timed invokeAny(c) throws ExecutionException if no task completes
1734	>	*/
1735	>	public void testTimedInvokeAny4() throws Exception {
1736	>	final ExecutorService e =
1737	>	new ThreadPoolExecutor(2, 2,
1738	>	LONG_DELAY_MS, MILLISECONDS,
1739	>	new ArrayBlockingQueue<Runnable>(10));
1740	>	try (PoolCleaner cleaner = cleaner(e)) {
1741	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1742	>	l.add(new NPETask());
1743	>	try {
1744	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1745	>	shouldThrow();
1746	>	} catch (ExecutionException success) {
1747	>	assertTrue(success.getCause() instanceof NullPointerException);
1748	>	}
1749	>	}
1750	>	}
1751	>
1752	>	/**
1753	>	* timed invokeAny(c) returns result of some task
1754	>	*/
1755	>	public void testTimedInvokeAny5() throws Exception {
1756	>	final ExecutorService e =
1757	>	new ThreadPoolExecutor(2, 2,
1758	>	LONG_DELAY_MS, MILLISECONDS,
1759	>	new ArrayBlockingQueue<Runnable>(10));
1760	>	try (PoolCleaner cleaner = cleaner(e)) {
1761	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1762	>	l.add(new StringTask());
1763	>	l.add(new StringTask());
1764	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1765	>	assertSame(TEST_STRING, result);
1766	>	}
1767	>	}
1768	>
1769	>	/**
1770	>	* timed invokeAll(null) throws NPE
1771	>	*/
1772	>	public void testTimedInvokeAll1() throws Exception {
1773	>	final ExecutorService e =
1774	>	new ThreadPoolExecutor(2, 2,
1775	>	LONG_DELAY_MS, MILLISECONDS,
1776	>	new ArrayBlockingQueue<Runnable>(10));
1777	>	try (PoolCleaner cleaner = cleaner(e)) {
1778	>	try {
1779	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1780	>	shouldThrow();
1781	>	} catch (NullPointerException success) {}
1782	>	}
1783	>	}
1784	>
1785	>	/**
1786	>	* timed invokeAll(,,null) throws NPE
1787	>	*/
1788	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1789	>	final ExecutorService e =
1790	>	new ThreadPoolExecutor(2, 2,
1791	>	LONG_DELAY_MS, MILLISECONDS,
1792	>	new ArrayBlockingQueue<Runnable>(10));
1793	>	try (PoolCleaner cleaner = cleaner(e)) {
1794	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1795	>	l.add(new StringTask());
1796	>	try {
1797	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1798	>	shouldThrow();
1799	>	} catch (NullPointerException success) {}
1800	>	}
1801	>	}
1802	>
1803	>	/**
1804	>	* timed invokeAll(empty collection) returns empty collection
1805	>	*/
1806	>	public void testTimedInvokeAll2() throws InterruptedException {
1807	>	final ExecutorService e =
1808	>	new ThreadPoolExecutor(2, 2,
1809	>	LONG_DELAY_MS, MILLISECONDS,
1810	>	new ArrayBlockingQueue<Runnable>(10));
1811	>	try (PoolCleaner cleaner = cleaner(e)) {
1812	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1813	>	MEDIUM_DELAY_MS, MILLISECONDS);
1814	>	assertTrue(r.isEmpty());
1815	>	}
1816	>	}
1817	>
1818	>	/**
1819	>	* timed invokeAll(c) throws NPE if c has null elements
1820	>	*/
1821	>	public void testTimedInvokeAll3() throws Exception {
1822	>	final ExecutorService e =
1823	>	new ThreadPoolExecutor(2, 2,
1824	>	LONG_DELAY_MS, MILLISECONDS,
1825	>	new ArrayBlockingQueue<Runnable>(10));
1826	>	try (PoolCleaner cleaner = cleaner(e)) {
1827	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1828	>	l.add(new StringTask());
1829	>	l.add(null);
1830	>	try {
1831	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1832	>	shouldThrow();
1833	>	} catch (NullPointerException success) {}
1834	>	}
1835	>	}
1836	>
1837	>	/**
1838	>	* get of element of invokeAll(c) throws exception on failed task
1839	>	*/
1840	>	public void testTimedInvokeAll4() throws Exception {
1841	>	final ExecutorService e =
1842	>	new ThreadPoolExecutor(2, 2,
1843	>	LONG_DELAY_MS, MILLISECONDS,
1844	>	new ArrayBlockingQueue<Runnable>(10));
1845	>	try (PoolCleaner cleaner = cleaner(e)) {
1846	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1847	>	l.add(new NPETask());
1848	>	List<Future<String>> futures =
1849	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1850	>	assertEquals(1, futures.size());
1851	>	try {
1852	>	futures.get(0).get();
1853	>	shouldThrow();
1854	>	} catch (ExecutionException success) {
1855	>	assertTrue(success.getCause() instanceof NullPointerException);
1856	>	}
1857	>	}
1858	>	}
1859	>
1860	>	/**
1861	>	* timed invokeAll(c) returns results of all completed tasks
1862	>	*/
1863	>	public void testTimedInvokeAll5() throws Exception {
1864	>	final ExecutorService e =
1865	>	new ThreadPoolExecutor(2, 2,
1866	>	LONG_DELAY_MS, MILLISECONDS,
1867	>	new ArrayBlockingQueue<Runnable>(10));
1868	>	try (PoolCleaner cleaner = cleaner(e)) {
1869	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1870	>	l.add(new StringTask());
1871	>	l.add(new StringTask());
1872	>	List<Future<String>> futures =
1873	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1874	>	assertEquals(2, futures.size());
1875	>	for (Future<String> future : futures)
1876	>	assertSame(TEST_STRING, future.get());
1877	>	}
1878	>	}
1879	>
1880	>	/**
1881	>	* timed invokeAll(c) cancels tasks not completed by timeout
1882	>	*/
1883	>	public void testTimedInvokeAll6() throws Exception {
1884	>	final ExecutorService e =
1885	>	new ThreadPoolExecutor(2, 2,
1886	>	LONG_DELAY_MS, MILLISECONDS,
1887	>	new ArrayBlockingQueue<Runnable>(10));
1888	>	try (PoolCleaner cleaner = cleaner(e)) {
1889	>	for (long timeout = timeoutMillis();;) {
1890	>	List<Callable<String>> tasks = new ArrayList<>();
1891	>	tasks.add(new StringTask("0"));
1892	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1893	>	tasks.add(new StringTask("2"));
1894	>	long startTime = System.nanoTime();
1895	>	List<Future<String>> futures =
1896	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1897	>	assertEquals(tasks.size(), futures.size());
1898	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1899	>	for (Future future : futures)
1900	>	assertTrue(future.isDone());
1901	>	assertTrue(futures.get(1).isCancelled());
1902	>	try {
1903	>	assertEquals("0", futures.get(0).get());
1904	>	assertEquals("2", futures.get(2).get());
1905	>	break;
1906	>	} catch (CancellationException retryWithLongerTimeout) {
1907	>	timeout *= 2;
1908	>	if (timeout >= LONG_DELAY_MS / 2)
1909	>	fail("expected exactly one task to be cancelled");
1910	>	}
1911	>	}
1912	>	}
1913	>	}
1914	>
1915	>	/**
1916	>	* Execution continues if there is at least one thread even if
1917	>	* thread factory fails to create more
1918	>	*/
1919	>	public void testFailingThreadFactory() throws InterruptedException {
1920	>	final ExecutorService e =
1921	>	new ThreadPoolExecutor(100, 100,
1922	>	LONG_DELAY_MS, MILLISECONDS,
1923	>	new LinkedBlockingQueue<Runnable>(),
1924	>	new FailingThreadFactory());
1925	>	try (PoolCleaner cleaner = cleaner(e)) {
1926	>	final int TASKS = 100;
1927	>	final CountDownLatch done = new CountDownLatch(TASKS);
1928	>	for (int k = 0; k < TASKS; ++k)
1929	>	e.execute(new CheckedRunnable() {
1930	>	public void realRun() {
1931	>	done.countDown();
1932	>	}});
1933	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1934	>	}
1935	>	}
1936	>
1937	>	/**
1938	>	* allowsCoreThreadTimeOut is by default false.
1939	>	*/
1940	>	public void testAllowsCoreThreadTimeOut() {
1941	>	final ThreadPoolExecutor p =
1942	>	new ThreadPoolExecutor(2, 2,
1943	>	1000, MILLISECONDS,
1944	>	new ArrayBlockingQueue<Runnable>(10));
1945	>	try (PoolCleaner cleaner = cleaner(p)) {
1946	>	assertFalse(p.allowsCoreThreadTimeOut());
1947	>	}
1948	>	}
1949	>
1950	>	/**
1951	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1952	>	*/
1953	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1954	>	long keepAliveTime = timeoutMillis();
1955	>	final ThreadPoolExecutor p =
1956	>	new ThreadPoolExecutor(2, 10,
1957	>	keepAliveTime, MILLISECONDS,
1958	>	new ArrayBlockingQueue<Runnable>(10));
1959	>	try (PoolCleaner cleaner = cleaner(p)) {
1960	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1961	>	p.allowCoreThreadTimeOut(true);
1962	>	p.execute(new CheckedRunnable() {
1963	>	public void realRun() {
1964	>	threadStarted.countDown();
1965	>	assertEquals(1, p.getPoolSize());
1966	>	}});
1967	>	await(threadStarted);
1968	>	delay(keepAliveTime);
1969	>	long startTime = System.nanoTime();
1970	>	while (p.getPoolSize() > 0
1971	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1972	>	Thread.yield();
1973	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1974	>	assertEquals(0, p.getPoolSize());
1975	>	}
1976	>	}
1977	>
1978	>	/**
1979	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1980	>	*/
1981	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1982	>	long keepAliveTime = timeoutMillis();
1983	>	final ThreadPoolExecutor p =
1984	>	new ThreadPoolExecutor(2, 10,
1985	>	keepAliveTime, MILLISECONDS,
1986	>	new ArrayBlockingQueue<Runnable>(10));
1987	>	try (PoolCleaner cleaner = cleaner(p)) {
1988	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1989	>	p.allowCoreThreadTimeOut(false);
1990	>	p.execute(new CheckedRunnable() {
1991	>	public void realRun() throws InterruptedException {
1992	>	threadStarted.countDown();
1993	>	assertTrue(p.getPoolSize() >= 1);
1994	>	}});
1995	>	delay(2 * keepAliveTime);
1996	>	assertTrue(p.getPoolSize() >= 1);
1997	>	}
1998	>	}
1999	>
2000	>	/**
2001	>	* execute allows the same task to be submitted multiple times, even
2002	>	* if rejected
2003	>	*/
2004	>	public void testRejectedRecycledTask() throws InterruptedException {
2005	>	final int nTasks = 1000;
2006	>	final CountDownLatch done = new CountDownLatch(nTasks);
2007	>	final Runnable recycledTask = new Runnable() {
2008	>	public void run() {
2009	>	done.countDown();
2010	>	}};
2011	>	final ThreadPoolExecutor p =
2012	>	new ThreadPoolExecutor(1, 30,
2013	>	60, SECONDS,
2014	>	new ArrayBlockingQueue(30));
2015	>	try (PoolCleaner cleaner = cleaner(p)) {
2016	>	for (int i = 0; i < nTasks; ++i) {
2017	>	for (;;) {
2018	>	try {
2019	>	p.execute(recycledTask);
2020	>	break;
2021	>	}
2022	>	catch (RejectedExecutionException ignore) {}
2023	>	}
2024	>	}
2025	>	// enough time to run all tasks
2026	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2027	>	}
2028	>	}
2029	>
2030	>	/**
2031	>	* get(cancelled task) throws CancellationException
2032	>	*/
2033	>	public void testGet_cancelled() throws Exception {
2034	>	final ExecutorService e =
2035	>	new ThreadPoolExecutor(1, 1,
2036	>	LONG_DELAY_MS, MILLISECONDS,
2037	>	new LinkedBlockingQueue<Runnable>());
2038	>	try (PoolCleaner cleaner = cleaner(e)) {
2039	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2040	>	final CountDownLatch done = new CountDownLatch(1);
2041	>	final List<Future<?>> futures = new ArrayList<>();
2042	>	for (int i = 0; i < 2; i++) {
2043	>	Runnable r = new CheckedRunnable() { public void realRun()
2044	>	throws Throwable {
2045	>	blockerStarted.countDown();
2046	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2047	>	}};
2048	>	futures.add(e.submit(r));
2049	>	}
2050	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2051	>	for (Future<?> future : futures) future.cancel(false);
2052	>	for (Future<?> future : futures) {
2053	>	try {
2054	>	future.get();
2055	>	shouldThrow();
2056	>	} catch (CancellationException success) {}
2057	>	try {
2058	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2059	>	shouldThrow();
2060	>	} catch (CancellationException success) {}
2061	>	assertTrue(future.isCancelled());
2062	>	assertTrue(future.isDone());
2063	>	}
2064	>	done.countDown();
2065	>	}
2066	>	}
2067	>
2068		}

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