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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 1.104 by jsr166, Mon Oct 5 22:54:45 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 CountDownLatch done = new CountDownLatch(1);
333	>	final ThreadPoolExecutor p =
334	>	new ThreadPoolExecutor(THREADS, THREADS,
335	>	LONG_DELAY_MS, MILLISECONDS,
336	>	new ArrayBlockingQueue<Runnable>(10));
337	>	try (PoolCleaner cleaner = cleaner(p, done)) {
338	>	assertEquals(0, p.getLargestPoolSize());
339	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
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		}
350	<	try {
177	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
178	<	assertTrue(p1.isTerminated());
179	<	} catch(Exception e){
180	<	unexpectedException();
181	<	}
350	>	assertEquals(THREADS, p.getLargestPoolSize());
351		}
352
353		/**
354	<	*  isTerminating is not true when running or when terminated
354	>	* getMaximumPoolSize returns value given in constructor if not
355	>	* otherwise set
356		*/
357	<	public void testIsTerminating() {
358	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
359	<	assertFalse(p1.isTerminating());
360	<	try {
361	<	p1.execute(new SmallRunnable());
362	<	assertFalse(p1.isTerminating());
363	<	} finally {
364	<	p1.shutdown();
357	>	public void testGetMaximumPoolSize() {
358	>	final ThreadPoolExecutor p =
359	>	new ThreadPoolExecutor(2, 3,
360	>	LONG_DELAY_MS, MILLISECONDS,
361	>	new ArrayBlockingQueue<Runnable>(10));
362	>	try (PoolCleaner cleaner = cleaner(p)) {
363	>	assertEquals(3, p.getMaximumPoolSize());
364	>	p.setMaximumPoolSize(5);
365	>	assertEquals(5, p.getMaximumPoolSize());
366	>	p.setMaximumPoolSize(4);
367	>	assertEquals(4, p.getMaximumPoolSize());
368	>	}
369	>	}
370	>
371	>	/**
372	>	* getPoolSize increases, but doesn't overestimate, when threads
373	>	* become active
374	>	*/
375	>	public void testGetPoolSize() throws InterruptedException {
376	>	final CountDownLatch done = new CountDownLatch(1);
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, done)) {
382	>	assertEquals(0, p.getPoolSize());
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	p.execute(new CheckedRunnable() {
385	>	public void realRun() throws InterruptedException {
386	>	threadStarted.countDown();
387	>	assertEquals(1, p.getPoolSize());
388	>	done.await();
389	>	}});
390	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
391	>	assertEquals(1, p.getPoolSize());
392	>	}
393	>	}
394	>
395	>	/**
396	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
397	>	*/
398	>	public void testGetTaskCount() throws InterruptedException {
399	>	final int TASKS = 3;
400	>	final CountDownLatch done = new CountDownLatch(1);
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p, done)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	assertEquals(0, p.getTaskCount());
408	>	assertEquals(0, p.getCompletedTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	done.await();
413	>	}});
414	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
415	>	assertEquals(1, p.getTaskCount());
416	>	assertEquals(0, p.getCompletedTaskCount());
417	>	for (int i = 0; i < TASKS; i++) {
418	>	assertEquals(1 + i, p.getTaskCount());
419	>	p.execute(new CheckedRunnable() {
420	>	public void realRun() throws InterruptedException {
421	>	threadStarted.countDown();
422	>	assertEquals(1 + TASKS, p.getTaskCount());
423	>	done.await();
424	>	}});
425	>	}
426	>	assertEquals(1 + TASKS, p.getTaskCount());
427	>	assertEquals(0, p.getCompletedTaskCount());
428		}
429	<	try {
430	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
198	<	assertTrue(p1.isTerminated());
199	<	assertFalse(p1.isTerminating());
200	<	} catch(Exception e){
201	<	unexpectedException();
202	<	}
429	>	assertEquals(1 + TASKS, p.getTaskCount());
430	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
431		}
432
433		/**
434	<	*   purge removes cancelled tasks from the queue
434	>	* isShutdown is false before shutdown, true after
435		*/
436	<	public void testPurge() {
437	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
438	<	CancellableTask[] tasks = new CancellableTask[5];
439	<	for(int i = 0; i < 5; i++){
440	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
441	<	p1.execute(tasks[i]);
436	>	public void testIsShutdown() {
437	>	final ThreadPoolExecutor p =
438	>	new ThreadPoolExecutor(1, 1,
439	>	LONG_DELAY_MS, MILLISECONDS,
440	>	new ArrayBlockingQueue<Runnable>(10));
441	>	try (PoolCleaner cleaner = cleaner(p)) {
442	>	assertFalse(p.isShutdown());
443	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
444	>	assertTrue(p.isShutdown());
445	>	}
446	>	}
447	>
448	>	/**
449	>	* awaitTermination on a non-shutdown pool times out
450	>	*/
451	>	public void testAwaitTermination_timesOut() throws InterruptedException {
452	>	final ThreadPoolExecutor p =
453	>	new ThreadPoolExecutor(1, 1,
454	>	LONG_DELAY_MS, MILLISECONDS,
455	>	new ArrayBlockingQueue<Runnable>(10));
456	>	try (PoolCleaner cleaner = cleaner(p)) {
457	>	assertFalse(p.isTerminated());
458	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
459	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
460	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
461	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
462	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
463	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
464	>	long timeoutNanos = 999999L;
465	>	long startTime = System.nanoTime();
466	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
467	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
468	>	assertFalse(p.isTerminated());
469	>	startTime = System.nanoTime();
470	>	long timeoutMillis = timeoutMillis();
471	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
472	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
473	>	assertFalse(p.isTerminated());
474	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
475	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
476	>	assertTrue(p.isTerminated());
477	>	}
478	>	}
479	>
480	>	/**
481	>	* isTerminated is false before termination, true after
482	>	*/
483	>	public void testIsTerminated() throws InterruptedException {
484	>	final ThreadPoolExecutor p =
485	>	new ThreadPoolExecutor(1, 1,
486	>	LONG_DELAY_MS, MILLISECONDS,
487	>	new ArrayBlockingQueue<Runnable>(10));
488	>	try (PoolCleaner cleaner = cleaner(p)) {
489	>	final CountDownLatch threadStarted = new CountDownLatch(1);
490	>	final CountDownLatch done = new CountDownLatch(1);
491	>	assertFalse(p.isTerminating());
492	>	p.execute(new CheckedRunnable() {
493	>	public void realRun() throws InterruptedException {
494	>	assertFalse(p.isTerminating());
495	>	threadStarted.countDown();
496	>	done.await();
497	>	}});
498	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
499	>	assertFalse(p.isTerminating());
500	>	done.countDown();
501	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
502	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
503	>	assertTrue(p.isTerminated());
504	>	assertFalse(p.isTerminating());
505	>	}
506	>	}
507	>
508	>	/**
509	>	* isTerminating is not true when running or when terminated
510	>	*/
511	>	public void testIsTerminating() throws InterruptedException {
512	>	final ThreadPoolExecutor p =
513	>	new ThreadPoolExecutor(1, 1,
514	>	LONG_DELAY_MS, MILLISECONDS,
515	>	new ArrayBlockingQueue<Runnable>(10));
516	>	try (PoolCleaner cleaner = cleaner(p)) {
517	>	final CountDownLatch threadStarted = new CountDownLatch(1);
518	>	final CountDownLatch done = new CountDownLatch(1);
519	>	assertFalse(p.isTerminating());
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminating());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
531	>	assertTrue(p.isTerminated());
532	>	assertFalse(p.isTerminating());
533	>	}
534	>	}
535	>
536	>	/**
537	>	* getQueue returns the work queue, which contains queued tasks
538	>	*/
539	>	public void testGetQueue() throws InterruptedException {
540	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
541	>	final ThreadPoolExecutor p =
542	>	new ThreadPoolExecutor(1, 1,
543	>	LONG_DELAY_MS, MILLISECONDS,
544	>	q);
545	>	try (PoolCleaner cleaner = cleaner(p)) {
546	>	final CountDownLatch threadStarted = new CountDownLatch(1);
547	>	final CountDownLatch done = new CountDownLatch(1);
548	>	FutureTask[] tasks = new FutureTask[5];
549	>	for (int i = 0; i < tasks.length; i++) {
550	>	Callable task = new CheckedCallable<Boolean>() {
551	>	public Boolean realCall() throws InterruptedException {
552	>	threadStarted.countDown();
553	>	assertSame(q, p.getQueue());
554	>	done.await();
555	>	return Boolean.TRUE;
556	>	}};
557	>	tasks[i] = new FutureTask(task);
558	>	p.execute(tasks[i]);
559	>	}
560	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
561	>	assertSame(q, p.getQueue());
562	>	assertFalse(q.contains(tasks[0]));
563	>	assertTrue(q.contains(tasks[tasks.length - 1]));
564	>	assertEquals(tasks.length - 1, q.size());
565	>	done.countDown();
566		}
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);
567		}
568
569		/**
570	<	*  shutDownNow returns a list containing tasks that were not run
571	<	*/
572	<	public void testShutDownNow() {
573	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
574	<	List l;
575	<	try {
576	<	for(int i = 0; i < 5; i++)
577	<	p1.execute(new MediumPossiblyInterruptedRunnable());
570	>	* remove(task) removes queued task, and fails to remove active task
571	>	*/
572	>	public void testRemove() throws InterruptedException {
573	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
574	>	final ThreadPoolExecutor p =
575	>	new ThreadPoolExecutor(1, 1,
576	>	LONG_DELAY_MS, MILLISECONDS,
577	>	q);
578	>	try (PoolCleaner cleaner = cleaner(p)) {
579	>	Runnable[] tasks = new Runnable[6];
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
581	>	final CountDownLatch done = new CountDownLatch(1);
582	>	for (int i = 0; i < tasks.length; i++) {
583	>	tasks[i] = new CheckedRunnable() {
584	>	public void realRun() throws InterruptedException {
585	>	threadStarted.countDown();
586	>	done.await();
587	>	}};
588	>	p.execute(tasks[i]);
589	>	}
590	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
591	>	assertFalse(p.remove(tasks[0]));
592	>	assertTrue(q.contains(tasks[4]));
593	>	assertTrue(q.contains(tasks[3]));
594	>	assertTrue(p.remove(tasks[4]));
595	>	assertFalse(p.remove(tasks[4]));
596	>	assertFalse(q.contains(tasks[4]));
597	>	assertTrue(q.contains(tasks[3]));
598	>	assertTrue(p.remove(tasks[3]));
599	>	assertFalse(q.contains(tasks[3]));
600	>	done.countDown();
601		}
602	<	finally {
603	<	l = p1.shutdownNow();
602	>	}
603	>
604	>	/**
605	>	* purge removes cancelled tasks from the queue
606	>	*/
607	>	public void testPurge() throws InterruptedException {
608	>	final CountDownLatch threadStarted = new CountDownLatch(1);
609	>	final CountDownLatch done = new CountDownLatch(1);
610	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
611	>	final ThreadPoolExecutor p =
612	>	new ThreadPoolExecutor(1, 1,
613	>	LONG_DELAY_MS, MILLISECONDS,
614	>	q);
615	>	try (PoolCleaner cleaner = cleaner(p, done)) {
616	>	FutureTask[] tasks = new FutureTask[5];
617	>	for (int i = 0; i < tasks.length; i++) {
618	>	Callable task = new CheckedCallable<Boolean>() {
619	>	public Boolean realCall() throws InterruptedException {
620	>	threadStarted.countDown();
621	>	done.await();
622	>	return Boolean.TRUE;
623	>	}};
624	>	tasks[i] = new FutureTask(task);
625	>	p.execute(tasks[i]);
626	>	}
627	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
628	>	assertEquals(tasks.length, p.getTaskCount());
629	>	assertEquals(tasks.length - 1, q.size());
630	>	assertEquals(1L, p.getActiveCount());
631	>	assertEquals(0L, p.getCompletedTaskCount());
632	>	tasks[4].cancel(true);
633	>	tasks[3].cancel(false);
634	>	p.purge();
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637	>	p.purge();         // Nothing to do
638	>	assertEquals(tasks.length - 3, q.size());
639	>	assertEquals(tasks.length - 2, p.getTaskCount());
640		}
641	<	assertTrue(p1.isShutdown());
642	<	assertTrue(l.size() <= 4);
641	>	}
642	>
643	>	/**
644	>	* shutdownNow returns a list containing tasks that were not run,
645	>	* and those tasks are drained from the queue
646	>	*/
647	>	public void testShutdownNow() throws InterruptedException {
648	>	final int poolSize = 2;
649	>	final int count = 5;
650	>	final AtomicInteger ran = new AtomicInteger(0);
651	>	final ThreadPoolExecutor p =
652	>	new ThreadPoolExecutor(poolSize, poolSize,
653	>	LONG_DELAY_MS, MILLISECONDS,
654	>	new ArrayBlockingQueue<Runnable>(10));
655	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
656	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
657	>	threadsStarted.countDown();
658	>	try {
659	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
660	>	} catch (InterruptedException success) {}
661	>	ran.getAndIncrement();
662	>	}};
663	>	for (int i = 0; i < count; i++)
664	>	p.execute(waiter);
665	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
666	>	assertEquals(poolSize, p.getActiveCount());
667	>	assertEquals(0, p.getCompletedTaskCount());
668	>	final List<Runnable> queuedTasks;
669	>	try {
670	>	queuedTasks = p.shutdownNow();
671	>	} catch (SecurityException ok) {
672	>	return; // Allowed in case test doesn't have privs
673	>	}
674	>	assertTrue(p.isShutdown());
675	>	assertTrue(p.getQueue().isEmpty());
676	>	assertEquals(count - poolSize, queuedTasks.size());
677	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
678	>	assertTrue(p.isTerminated());
679	>	assertEquals(poolSize, ran.get());
680	>	assertEquals(poolSize, p.getCompletedTaskCount());
681		}
682
683		// Exception Tests
241	–
684
685	<	/**
686	<	* Constructor throws if corePoolSize argument is less than zero
685	>	/**
686	>	* Constructor throws if corePoolSize argument is less than zero
687		*/
688		public void testConstructor1() {
689		try {
690	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692		shouldThrow();
693	<	}
251	<	catch (IllegalArgumentException success){}
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	/**
697	<	* Constructor throws if maximumPoolSize is less than zero
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is less than zero
698		*/
699		public void testConstructor2() {
700		try {
701	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703		shouldThrow();
704	<	}
262	<	catch (IllegalArgumentException success){}
704	>	} catch (IllegalArgumentException success) {}
705		}
706	<
707	<	/**
708	<	* Constructor throws if maximumPoolSize is equal to zero
706	>
707	>	/**
708	>	* Constructor throws if maximumPoolSize is equal to zero
709		*/
710		public void testConstructor3() {
711		try {
712	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714		shouldThrow();
715	<	}
273	<	catch (IllegalArgumentException success){}
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	/**
719	<	* Constructor throws if keepAliveTime is less than zero
718	>	/**
719	>	* Constructor throws if keepAliveTime is less than zero
720		*/
721		public void testConstructor4() {
722		try {
723	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725		shouldThrow();
726	<	}
284	<	catch (IllegalArgumentException success){}
726	>	} catch (IllegalArgumentException success) {}
727		}
728
729	<	/**
730	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
729	>	/**
730	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
731		*/
732		public void testConstructor5() {
733		try {
734	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
734	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
735	>	new ArrayBlockingQueue<Runnable>(10));
736		shouldThrow();
737	<	}
295	<	catch (IllegalArgumentException success){}
737	>	} catch (IllegalArgumentException success) {}
738		}
739	<
740	<	/**
741	<	* Constructor throws if workQueue is set to null
739	>
740	>	/**
741	>	* Constructor throws if workQueue is set to null
742		*/
743	<	public void testNullPointerException() {
743	>	public void testConstructorNullPointerException() {
744		try {
745	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
745	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
746	>	(BlockingQueue) null);
747		shouldThrow();
748	<	}
306	<	catch (NullPointerException success){}
748	>	} catch (NullPointerException success) {}
749		}
308	–
750
751	<
752	<	/**
312	<	* Constructor throws if corePoolSize argument is less than zero
751	>	/**
752	>	* Constructor throws if corePoolSize argument is less than zero
753		*/
754		public void testConstructor6() {
755		try {
756	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
756	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
757	>	new ArrayBlockingQueue<Runnable>(10),
758	>	new SimpleThreadFactory());
759		shouldThrow();
760	<	} catch (IllegalArgumentException success){}
760	>	} catch (IllegalArgumentException success) {}
761		}
762	<
763	<	/**
764	<	* Constructor throws if maximumPoolSize is less than zero
762	>
763	>	/**
764	>	* Constructor throws if maximumPoolSize is less than zero
765		*/
766		public void testConstructor7() {
767		try {
768	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
768	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
769	>	new ArrayBlockingQueue<Runnable>(10),
770	>	new SimpleThreadFactory());
771		shouldThrow();
772	<	}
329	<	catch (IllegalArgumentException success){}
772	>	} catch (IllegalArgumentException success) {}
773		}
774
775	<	/**
776	<	* Constructor throws if maximumPoolSize is equal to zero
775	>	/**
776	>	* Constructor throws if maximumPoolSize is equal to zero
777		*/
778		public void testConstructor8() {
779		try {
780	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
780	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
781	>	new ArrayBlockingQueue<Runnable>(10),
782	>	new SimpleThreadFactory());
783		shouldThrow();
784	<	}
340	<	catch (IllegalArgumentException success){}
784	>	} catch (IllegalArgumentException success) {}
785		}
786
787	<	/**
788	<	* Constructor throws if keepAliveTime is less than zero
787	>	/**
788	>	* Constructor throws if keepAliveTime is less than zero
789		*/
790		public void testConstructor9() {
791		try {
792	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
792	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
793	>	new ArrayBlockingQueue<Runnable>(10),
794	>	new SimpleThreadFactory());
795		shouldThrow();
796	<	}
351	<	catch (IllegalArgumentException success){}
796	>	} catch (IllegalArgumentException success) {}
797		}
798
799	<	/**
800	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
799	>	/**
800	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
801		*/
802		public void testConstructor10() {
803		try {
804	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
804	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
805	>	new ArrayBlockingQueue<Runnable>(10),
806	>	new SimpleThreadFactory());
807		shouldThrow();
808	<	}
362	<	catch (IllegalArgumentException success){}
808	>	} catch (IllegalArgumentException success) {}
809		}
810
811	<	/**
812	<	* Constructor throws if workQueue is set to null
811	>	/**
812	>	* Constructor throws if workQueue is set to null
813		*/
814	<	public void testNullPointerException2() {
814	>	public void testConstructorNullPointerException2() {
815		try {
816	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
816	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
817	>	(BlockingQueue) null,
818	>	new SimpleThreadFactory());
819		shouldThrow();
820	<	}
373	<	catch (NullPointerException success){}
820	>	} catch (NullPointerException success) {}
821		}
822
823	<	/**
824	<	* Constructor throws if threadFactory is set to null
823	>	/**
824	>	* Constructor throws if threadFactory is set to null
825		*/
826	<	public void testNullPointerException3() {
826	>	public void testConstructorNullPointerException3() {
827		try {
828	<	ThreadFactory f = null;
829	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
828	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
829	>	new ArrayBlockingQueue<Runnable>(10),
830	>	(ThreadFactory) null);
831		shouldThrow();
832	<	}
385	<	catch (NullPointerException success){}
832	>	} catch (NullPointerException success) {}
833		}
834	<
835	<
836	<	/**
390	<	* Constructor throws if corePoolSize argument is less than zero
834	>
835	>	/**
836	>	* Constructor throws if corePoolSize argument is less than zero
837		*/
838		public void testConstructor11() {
839		try {
840	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
840	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
841	>	new ArrayBlockingQueue<Runnable>(10),
842	>	new NoOpREHandler());
843		shouldThrow();
844	<	}
397	<	catch (IllegalArgumentException success){}
844	>	} catch (IllegalArgumentException success) {}
845		}
846
847	<	/**
848	<	* Constructor throws if maximumPoolSize is less than zero
847	>	/**
848	>	* Constructor throws if maximumPoolSize is less than zero
849		*/
850		public void testConstructor12() {
851		try {
852	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
852	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
853	>	new ArrayBlockingQueue<Runnable>(10),
854	>	new NoOpREHandler());
855		shouldThrow();
856	<	}
408	<	catch (IllegalArgumentException success){}
856	>	} catch (IllegalArgumentException success) {}
857		}
858
859	<	/**
860	<	* Constructor throws if maximumPoolSize is equal to zero
859	>	/**
860	>	* Constructor throws if maximumPoolSize is equal to zero
861		*/
862		public void testConstructor13() {
863		try {
864	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
864	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
865	>	new ArrayBlockingQueue<Runnable>(10),
866	>	new NoOpREHandler());
867		shouldThrow();
868	<	}
419	<	catch (IllegalArgumentException success){}
868	>	} catch (IllegalArgumentException success) {}
869		}
870
871	<	/**
872	<	* Constructor throws if keepAliveTime is less than zero
871	>	/**
872	>	* Constructor throws if keepAliveTime is less than zero
873		*/
874		public void testConstructor14() {
875		try {
876	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
876	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
877	>	new ArrayBlockingQueue<Runnable>(10),
878	>	new NoOpREHandler());
879		shouldThrow();
880	<	}
430	<	catch (IllegalArgumentException success){}
880	>	} catch (IllegalArgumentException success) {}
881		}
882
883	<	/**
884	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
883	>	/**
884	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
885		*/
886		public void testConstructor15() {
887		try {
888	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
888	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
889	>	new ArrayBlockingQueue<Runnable>(10),
890	>	new NoOpREHandler());
891		shouldThrow();
892	<	}
441	<	catch (IllegalArgumentException success){}
892	>	} catch (IllegalArgumentException success) {}
893		}
894
895	<	/**
896	<	* Constructor throws if workQueue is set to null
895	>	/**
896	>	* Constructor throws if workQueue is set to null
897		*/
898	<	public void testNullPointerException4() {
898	>	public void testConstructorNullPointerException4() {
899		try {
900	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
900	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
901	>	(BlockingQueue) null,
902	>	new NoOpREHandler());
903		shouldThrow();
904	<	}
452	<	catch (NullPointerException success){}
904	>	} catch (NullPointerException success) {}
905		}
906
907	<	/**
908	<	* Constructor throws if handler is set to null
907	>	/**
908	>	* Constructor throws if handler is set to null
909		*/
910	<	public void testNullPointerException5() {
910	>	public void testConstructorNullPointerException5() {
911		try {
912	<	RejectedExecutionHandler r = null;
913	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
912	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
913	>	new ArrayBlockingQueue<Runnable>(10),
914	>	(RejectedExecutionHandler) null);
915		shouldThrow();
916	<	}
464	<	catch (NullPointerException success){}
916	>	} catch (NullPointerException success) {}
917		}
918
919	<
920	<	/**
469	<	* Constructor throws if corePoolSize argument is less than zero
919	>	/**
920	>	* Constructor throws if corePoolSize argument is less than zero
921		*/
922		public void testConstructor16() {
923		try {
924	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
924	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
925	>	new ArrayBlockingQueue<Runnable>(10),
926	>	new SimpleThreadFactory(),
927	>	new NoOpREHandler());
928		shouldThrow();
929	<	}
476	<	catch (IllegalArgumentException success){}
929	>	} catch (IllegalArgumentException success) {}
930		}
931
932	<	/**
933	<	* Constructor throws if maximumPoolSize is less than zero
932	>	/**
933	>	* Constructor throws if maximumPoolSize is less than zero
934		*/
935		public void testConstructor17() {
936		try {
937	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
937	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
938	>	new ArrayBlockingQueue<Runnable>(10),
939	>	new SimpleThreadFactory(),
940	>	new NoOpREHandler());
941		shouldThrow();
942	<	}
487	<	catch (IllegalArgumentException success){}
942	>	} catch (IllegalArgumentException success) {}
943		}
944
945	<	/**
946	<	* Constructor throws if maximumPoolSize is equal to zero
945	>	/**
946	>	* Constructor throws if maximumPoolSize is equal to zero
947		*/
948		public void testConstructor18() {
949		try {
950	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
950	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
951	>	new ArrayBlockingQueue<Runnable>(10),
952	>	new SimpleThreadFactory(),
953	>	new NoOpREHandler());
954		shouldThrow();
955	<	}
498	<	catch (IllegalArgumentException success){}
955	>	} catch (IllegalArgumentException success) {}
956		}
957
958	<	/**
959	<	* Constructor throws if keepAliveTime is less than zero
958	>	/**
959	>	* Constructor throws if keepAliveTime is less than zero
960		*/
961		public void testConstructor19() {
962		try {
963	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
963	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
964	>	new ArrayBlockingQueue<Runnable>(10),
965	>	new SimpleThreadFactory(),
966	>	new NoOpREHandler());
967		shouldThrow();
968	<	}
509	<	catch (IllegalArgumentException success){}
968	>	} catch (IllegalArgumentException success) {}
969		}
970
971	<	/**
972	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
971	>	/**
972	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
973		*/
974		public void testConstructor20() {
975		try {
976	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
976	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
977	>	new ArrayBlockingQueue<Runnable>(10),
978	>	new SimpleThreadFactory(),
979	>	new NoOpREHandler());
980		shouldThrow();
981	<	}
520	<	catch (IllegalArgumentException success){}
981	>	} catch (IllegalArgumentException success) {}
982		}
983
984	<	/**
985	<	* Constructor throws if workQueue is set to null
984	>	/**
985	>	* Constructor throws if workQueue is null
986		*/
987	<	public void testNullPointerException6() {
987	>	public void testConstructorNullPointerException6() {
988		try {
989	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
989	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
990	>	(BlockingQueue) null,
991	>	new SimpleThreadFactory(),
992	>	new NoOpREHandler());
993		shouldThrow();
994	<	}
531	<	catch (NullPointerException success){}
994	>	} catch (NullPointerException success) {}
995		}
996
997	<	/**
998	<	* Constructor throws if handler is set to null
997	>	/**
998	>	* Constructor throws if handler is null
999		*/
1000	<	public void testNullPointerException7() {
1000	>	public void testConstructorNullPointerException7() {
1001		try {
1002	<	RejectedExecutionHandler r = null;
1003	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1002	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1003	>	new ArrayBlockingQueue<Runnable>(10),
1004	>	new SimpleThreadFactory(),
1005	>	(RejectedExecutionHandler) null);
1006		shouldThrow();
1007	<	}
543	<	catch (NullPointerException success){}
1007	>	} catch (NullPointerException success) {}
1008		}
1009
1010	<	/**
1011	<	* Constructor throws if ThreadFactory is set top null
1010	>	/**
1011	>	* Constructor throws if ThreadFactory is null
1012		*/
1013	<	public void testNullPointerException8() {
1013	>	public void testConstructorNullPointerException8() {
1014		try {
1015	<	ThreadFactory f = null;
1016	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1015	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1016	>	new ArrayBlockingQueue<Runnable>(10),
1017	>	(ThreadFactory) null,
1018	>	new NoOpREHandler());
1019		shouldThrow();
1020	<	}
555	<	catch (NullPointerException successdn8){}
1020	>	} catch (NullPointerException success) {}
1021		}
557	–
1022
1023		/**
1024	<	*  execute throws RejectedExecutionException if shutdown
1024	>	* get of submitted callable throws InterruptedException if interrupted
1025		*/
1026	<	public void testRejectedExecutionException() {
1027	<	ThreadPoolExecutor tpe = null;
1028	<	try {
1029	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1030	<	} catch(Exception e){}
1031	<	tpe.shutdown();
1032	<	try {
1033	<	tpe.execute(new NoOpRunnable());
1034	<	shouldThrow();
1035	<	} catch(RejectedExecutionException success){}
1036	<
1037	<	joinPool(tpe);
1026	>	public void testInterruptedSubmit() throws InterruptedException {
1027	>	final CountDownLatch done = new CountDownLatch(1);
1028	>	final ThreadPoolExecutor p =
1029	>	new ThreadPoolExecutor(1, 1,
1030	>	60, SECONDS,
1031	>	new ArrayBlockingQueue<Runnable>(10));
1032	>
1033	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1034	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1035	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1036	>	public void realRun() throws Exception {
1037	>	Callable task = new CheckedCallable<Boolean>() {
1038	>	public Boolean realCall() throws InterruptedException {
1039	>	threadStarted.countDown();
1040	>	done.await();
1041	>	return Boolean.TRUE;
1042	>	}};
1043	>	p.submit(task).get();
1044	>	}});
1045	>
1046	>	await(threadStarted);
1047	>	t.interrupt();
1048	>	awaitTermination(t);
1049	>	}
1050		}
1051
1052		/**
1053	<	*  execute throws RejectedExecutionException
578	<	*  if saturated.
1053	>	* execute throws RejectedExecutionException if saturated.
1054		*/
1055		public void testSaturatedExecute() {
1056	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1057	<	try {
1058	<
1059	<	for(int i = 0; i < 5; ++i){
1060	<	p.execute(new MediumRunnable());
1056	>	final ThreadPoolExecutor p =
1057	>	new ThreadPoolExecutor(1, 1,
1058	>	LONG_DELAY_MS, MILLISECONDS,
1059	>	new ArrayBlockingQueue<Runnable>(1));
1060	>	try (PoolCleaner cleaner = cleaner(p)) {
1061	>	final CountDownLatch done = new CountDownLatch(1);
1062	>	Runnable task = new CheckedRunnable() {
1063	>	public void realRun() throws InterruptedException {
1064	>	done.await();
1065	>	}};
1066	>	for (int i = 0; i < 2; ++i)
1067	>	p.execute(task);
1068	>	for (int i = 0; i < 2; ++i) {
1069	>	try {
1070	>	p.execute(task);
1071	>	shouldThrow();
1072	>	} catch (RejectedExecutionException success) {}
1073	>	assertTrue(p.getTaskCount() <= 2);
1074		}
1075	<	shouldThrow();
1076	<	} catch(RejectedExecutionException success){}
1077	<	joinPool(p);
1075	>	done.countDown();
1076	>	}
1077	>	}
1078	>
1079	>	/**
1080	>	* submit(runnable) throws RejectedExecutionException if saturated.
1081	>	*/
1082	>	public void testSaturatedSubmitRunnable() {
1083	>	final ThreadPoolExecutor p =
1084	>	new ThreadPoolExecutor(1, 1,
1085	>	LONG_DELAY_MS, MILLISECONDS,
1086	>	new ArrayBlockingQueue<Runnable>(1));
1087	>	try (PoolCleaner cleaner = cleaner(p)) {
1088	>	final CountDownLatch done = new CountDownLatch(1);
1089	>	Runnable task = new CheckedRunnable() {
1090	>	public void realRun() throws InterruptedException {
1091	>	done.await();
1092	>	}};
1093	>	for (int i = 0; i < 2; ++i)
1094	>	p.submit(task);
1095	>	for (int i = 0; i < 2; ++i) {
1096	>	try {
1097	>	p.execute(task);
1098	>	shouldThrow();
1099	>	} catch (RejectedExecutionException success) {}
1100	>	assertTrue(p.getTaskCount() <= 2);
1101	>	}
1102	>	done.countDown();
1103	>	}
1104	>	}
1105	>
1106	>	/**
1107	>	* submit(callable) throws RejectedExecutionException if saturated.
1108	>	*/
1109	>	public void testSaturatedSubmitCallable() {
1110	>	final ThreadPoolExecutor p =
1111	>	new ThreadPoolExecutor(1, 1,
1112	>	LONG_DELAY_MS, MILLISECONDS,
1113	>	new ArrayBlockingQueue<Runnable>(1));
1114	>	try (PoolCleaner cleaner = cleaner(p)) {
1115	>	final CountDownLatch done = new CountDownLatch(1);
1116	>	Runnable task = new CheckedRunnable() {
1117	>	public void realRun() throws InterruptedException {
1118	>	done.await();
1119	>	}};
1120	>	for (int i = 0; i < 2; ++i)
1121	>	p.submit(Executors.callable(task));
1122	>	for (int i = 0; i < 2; ++i) {
1123	>	try {
1124	>	p.execute(task);
1125	>	shouldThrow();
1126	>	} catch (RejectedExecutionException success) {}
1127	>	assertTrue(p.getTaskCount() <= 2);
1128	>	}
1129	>	done.countDown();
1130	>	}
1131	>	}
1132	>
1133	>	/**
1134	>	* executor using CallerRunsPolicy runs task if saturated.
1135	>	*/
1136	>	public void testSaturatedExecute2() {
1137	>	final ThreadPoolExecutor p =
1138	>	new ThreadPoolExecutor(1, 1,
1139	>	LONG_DELAY_MS,
1140	>	MILLISECONDS,
1141	>	new ArrayBlockingQueue<Runnable>(1),
1142	>	new ThreadPoolExecutor.CallerRunsPolicy());
1143	>	try (PoolCleaner cleaner = cleaner(p)) {
1144	>	final CountDownLatch done = new CountDownLatch(1);
1145	>	Runnable blocker = new CheckedRunnable() {
1146	>	public void realRun() throws InterruptedException {
1147	>	done.await();
1148	>	}};
1149	>	p.execute(blocker);
1150	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1151	>	for (int i = 0; i < tasks.length; i++)
1152	>	tasks[i] = new TrackedNoOpRunnable();
1153	>	for (int i = 0; i < tasks.length; i++)
1154	>	p.execute(tasks[i]);
1155	>	for (int i = 1; i < tasks.length; i++)
1156	>	assertTrue(tasks[i].done);
1157	>	assertFalse(tasks[0].done); // waiting in queue
1158	>	done.countDown();
1159	>	}
1160	>	}
1161	>
1162	>	/**
1163	>	* executor using DiscardPolicy drops task if saturated.
1164	>	*/
1165	>	public void testSaturatedExecute3() {
1166	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1167	>	for (int i = 0; i < tasks.length; ++i)
1168	>	tasks[i] = new TrackedNoOpRunnable();
1169	>	final ThreadPoolExecutor p =
1170	>	new ThreadPoolExecutor(1, 1,
1171	>	LONG_DELAY_MS, MILLISECONDS,
1172	>	new ArrayBlockingQueue<Runnable>(1),
1173	>	new ThreadPoolExecutor.DiscardPolicy());
1174	>	try (PoolCleaner cleaner = cleaner(p)) {
1175	>	final CountDownLatch done = new CountDownLatch(1);
1176	>	p.execute(awaiter(done));
1177	>
1178	>	for (TrackedNoOpRunnable task : tasks)
1179	>	p.execute(task);
1180	>	for (int i = 1; i < tasks.length; i++)
1181	>	assertFalse(tasks[i].done);
1182	>	done.countDown();
1183	>	}
1184	>	for (int i = 1; i < tasks.length; i++)
1185	>	assertFalse(tasks[i].done);
1186	>	assertTrue(tasks[0].done); // was waiting in queue
1187	>	}
1188	>
1189	>	/**
1190	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1191	>	*/
1192	>	public void testSaturatedExecute4() {
1193	>	final CountDownLatch done = new CountDownLatch(1);
1194	>	LatchAwaiter r1 = awaiter(done);
1195	>	LatchAwaiter r2 = awaiter(done);
1196	>	LatchAwaiter r3 = awaiter(done);
1197	>	final ThreadPoolExecutor p =
1198	>	new ThreadPoolExecutor(1, 1,
1199	>	LONG_DELAY_MS, MILLISECONDS,
1200	>	new ArrayBlockingQueue<Runnable>(1),
1201	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1202	>	try (PoolCleaner cleaner = cleaner(p)) {
1203	>	assertEquals(LatchAwaiter.NEW, r1.state);
1204	>	assertEquals(LatchAwaiter.NEW, r2.state);
1205	>	assertEquals(LatchAwaiter.NEW, r3.state);
1206	>	p.execute(r1);
1207	>	p.execute(r2);
1208	>	assertTrue(p.getQueue().contains(r2));
1209	>	p.execute(r3);
1210	>	assertFalse(p.getQueue().contains(r2));
1211	>	assertTrue(p.getQueue().contains(r3));
1212	>	done.countDown();
1213	>	}
1214	>	assertEquals(LatchAwaiter.DONE, r1.state);
1215	>	assertEquals(LatchAwaiter.NEW, r2.state);
1216	>	assertEquals(LatchAwaiter.DONE, r3.state);
1217	>	}
1218	>
1219	>	/**
1220	>	* execute throws RejectedExecutionException if shutdown
1221	>	*/
1222	>	public void testRejectedExecutionExceptionOnShutdown() {
1223	>	final ThreadPoolExecutor p =
1224	>	new ThreadPoolExecutor(1, 1,
1225	>	LONG_DELAY_MS, MILLISECONDS,
1226	>	new ArrayBlockingQueue<Runnable>(1));
1227	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1228	>	try (PoolCleaner cleaner = cleaner(p)) {
1229	>	try {
1230	>	p.execute(new NoOpRunnable());
1231	>	shouldThrow();
1232	>	} catch (RejectedExecutionException success) {}
1233	>	}
1234	>	}
1235	>
1236	>	/**
1237	>	* execute using CallerRunsPolicy drops task on shutdown
1238	>	*/
1239	>	public void testCallerRunsOnShutdown() {
1240	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1241	>	final ThreadPoolExecutor p =
1242	>	new ThreadPoolExecutor(1, 1,
1243	>	LONG_DELAY_MS, MILLISECONDS,
1244	>	new ArrayBlockingQueue<Runnable>(1), h);
1245	>
1246	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1247	>	try (PoolCleaner cleaner = cleaner(p)) {
1248	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1249	>	p.execute(r);
1250	>	assertFalse(r.done);
1251	>	}
1252	>	}
1253	>
1254	>	/**
1255	>	* execute using DiscardPolicy drops task on shutdown
1256	>	*/
1257	>	public void testDiscardOnShutdown() {
1258	>	final ThreadPoolExecutor p =
1259	>	new ThreadPoolExecutor(1, 1,
1260	>	LONG_DELAY_MS, MILLISECONDS,
1261	>	new ArrayBlockingQueue<Runnable>(1),
1262	>	new ThreadPoolExecutor.DiscardPolicy());
1263	>
1264	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1265	>	try (PoolCleaner cleaner = cleaner(p)) {
1266	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1267	>	p.execute(r);
1268	>	assertFalse(r.done);
1269	>	}
1270	>	}
1271	>
1272	>	/**
1273	>	* execute using DiscardOldestPolicy drops task on shutdown
1274	>	*/
1275	>	public void testDiscardOldestOnShutdown() {
1276	>	final ThreadPoolExecutor p =
1277	>	new ThreadPoolExecutor(1, 1,
1278	>	LONG_DELAY_MS, MILLISECONDS,
1279	>	new ArrayBlockingQueue<Runnable>(1),
1280	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1281	>
1282	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1283	>	try (PoolCleaner cleaner = cleaner(p)) {
1284	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1285	>	p.execute(r);
1286	>	assertFalse(r.done);
1287	>	}
1288		}
1289
1290		/**
1291	<	*  execute (null) throws NPE
1291	>	* execute(null) throws NPE
1292		*/
1293		public void testExecuteNull() {
1294	<	ThreadPoolExecutor tpe = null;
1295	<	try {
1296	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1297	<	tpe.execute(null);
1298	<	shouldThrow();
1299	<	} catch(NullPointerException success){}
1300	<
1301	<	joinPool(tpe);
1294	>	final ThreadPoolExecutor p =
1295	>	new ThreadPoolExecutor(1, 2,
1296	>	1L, SECONDS,
1297	>	new ArrayBlockingQueue<Runnable>(10));
1298	>	try (PoolCleaner cleaner = cleaner(p)) {
1299	>	try {
1300	>	p.execute(null);
1301	>	shouldThrow();
1302	>	} catch (NullPointerException success) {}
1303	>	}
1304		}
1305	<
1305	>
1306		/**
1307	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1307	>	* setCorePoolSize of negative value throws IllegalArgumentException
1308		*/
1309		public void testCorePoolSizeIllegalArgumentException() {
1310	<	ThreadPoolExecutor tpe = null;
1311	<	try {
1312	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1313	<	} catch(Exception e){}
1314	<	try {
1315	<	tpe.setCorePoolSize(-1);
1316	<	shouldThrow();
1317	<	} catch(IllegalArgumentException success){
1318	<	} finally {
1319	<	tpe.shutdown();
1320	<	}
1321	<	joinPool(tpe);
1322	<	}
1323	<
1324	<	/**
1325	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
626	<	*  given a value less the core pool size
627	<	*/
1310	>	final ThreadPoolExecutor p =
1311	>	new ThreadPoolExecutor(1, 2,
1312	>	LONG_DELAY_MS, MILLISECONDS,
1313	>	new ArrayBlockingQueue<Runnable>(10));
1314	>	try (PoolCleaner cleaner = cleaner(p)) {
1315	>	try {
1316	>	p.setCorePoolSize(-1);
1317	>	shouldThrow();
1318	>	} catch (IllegalArgumentException success) {}
1319	>	}
1320	>	}
1321	>
1322	>	/**
1323	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1324	>	* given a value less the core pool size
1325	>	*/
1326		public void testMaximumPoolSizeIllegalArgumentException() {
1327	<	ThreadPoolExecutor tpe = null;
1328	<	try {
1329	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1330	<	} catch(Exception e){}
1331	<	try {
1332	<	tpe.setMaximumPoolSize(1);
1333	<	shouldThrow();
1334	<	} catch(IllegalArgumentException success){
1335	<	} finally {
638	<	tpe.shutdown();
1327	>	final ThreadPoolExecutor p =
1328	>	new ThreadPoolExecutor(2, 3,
1329	>	LONG_DELAY_MS, MILLISECONDS,
1330	>	new ArrayBlockingQueue<Runnable>(10));
1331	>	try (PoolCleaner cleaner = cleaner(p)) {
1332	>	try {
1333	>	p.setMaximumPoolSize(1);
1334	>	shouldThrow();
1335	>	} catch (IllegalArgumentException success) {}
1336		}
640	–	joinPool(tpe);
1337		}
1338	<
1338	>
1339		/**
1340	<	*  setMaximumPoolSize throws IllegalArgumentException
1341	<	*  if given a negative value
1340	>	* setMaximumPoolSize throws IllegalArgumentException
1341	>	* if given a negative value
1342		*/
1343		public void testMaximumPoolSizeIllegalArgumentException2() {
1344	<	ThreadPoolExecutor tpe = null;
1345	<	try {
1346	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1347	<	} catch(Exception e){}
1348	<	try {
1349	<	tpe.setMaximumPoolSize(-1);
1350	<	shouldThrow();
1351	<	} catch(IllegalArgumentException success){
1352	<	} finally {
657	<	tpe.shutdown();
1344	>	final ThreadPoolExecutor p =
1345	>	new ThreadPoolExecutor(2, 3,
1346	>	LONG_DELAY_MS, MILLISECONDS,
1347	>	new ArrayBlockingQueue<Runnable>(10));
1348	>	try (PoolCleaner cleaner = cleaner(p)) {
1349	>	try {
1350	>	p.setMaximumPoolSize(-1);
1351	>	shouldThrow();
1352	>	} catch (IllegalArgumentException success) {}
1353		}
659	–	joinPool(tpe);
1354		}
661	–
1355
1356		/**
1357	<	*  setKeepAliveTime  throws IllegalArgumentException
1358	<	*  when given a negative value
1357	>	* Configuration changes that allow core pool size greater than
1358	>	* max pool size result in IllegalArgumentException.
1359	>	*/
1360	>	public void testPoolSizeInvariants() {
1361	>	final ThreadPoolExecutor p =
1362	>	new ThreadPoolExecutor(1, 1,
1363	>	LONG_DELAY_MS, MILLISECONDS,
1364	>	new ArrayBlockingQueue<Runnable>(10));
1365	>	try (PoolCleaner cleaner = cleaner(p)) {
1366	>	for (int s = 1; s < 5; s++) {
1367	>	p.setMaximumPoolSize(s);
1368	>	p.setCorePoolSize(s);
1369	>	try {
1370	>	p.setMaximumPoolSize(s - 1);
1371	>	shouldThrow();
1372	>	} catch (IllegalArgumentException success) {}
1373	>	assertEquals(s, p.getCorePoolSize());
1374	>	assertEquals(s, p.getMaximumPoolSize());
1375	>	try {
1376	>	p.setCorePoolSize(s + 1);
1377	>	shouldThrow();
1378	>	} catch (IllegalArgumentException success) {}
1379	>	assertEquals(s, p.getCorePoolSize());
1380	>	assertEquals(s, p.getMaximumPoolSize());
1381	>	}
1382	>	}
1383	>	}
1384	>
1385	>	/**
1386	>	* setKeepAliveTime throws IllegalArgumentException
1387	>	* when given a negative value
1388		*/
1389		public void testKeepAliveTimeIllegalArgumentException() {
1390	<	ThreadPoolExecutor tpe = null;
1391	<	try {
1392	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1393	<	} catch(Exception e){}
1394	<
1395	<	try {
1396	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1397	<	shouldThrow();
1398	<	} catch(IllegalArgumentException success){
1399	<	} finally {
1400	<	tpe.shutdown();
1390	>	final ThreadPoolExecutor p =
1391	>	new ThreadPoolExecutor(2, 3,
1392	>	LONG_DELAY_MS, MILLISECONDS,
1393	>	new ArrayBlockingQueue<Runnable>(10));
1394	>	try (PoolCleaner cleaner = cleaner(p)) {
1395	>	try {
1396	>	p.setKeepAliveTime(-1, MILLISECONDS);
1397	>	shouldThrow();
1398	>	} catch (IllegalArgumentException success) {}
1399	>	}
1400	>	}
1401	>
1402	>	/**
1403	>	* terminated() is called on termination
1404	>	*/
1405	>	public void testTerminated() {
1406	>	ExtendedTPE p = new ExtendedTPE();
1407	>	try (PoolCleaner cleaner = cleaner(p)) {
1408	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1409	>	assertTrue(p.terminatedCalled());
1410	>	assertTrue(p.isShutdown());
1411	>	}
1412	>	}
1413	>
1414	>	/**
1415	>	* beforeExecute and afterExecute are called when executing task
1416	>	*/
1417	>	public void testBeforeAfter() throws InterruptedException {
1418	>	ExtendedTPE p = new ExtendedTPE();
1419	>	try (PoolCleaner cleaner = cleaner(p)) {
1420	>	final CountDownLatch done = new CountDownLatch(1);
1421	>	p.execute(new CheckedRunnable() {
1422	>	public void realRun() {
1423	>	done.countDown();
1424	>	}});
1425	>	await(p.afterCalled);
1426	>	assertEquals(0, done.getCount());
1427	>	assertTrue(p.afterCalled());
1428	>	assertTrue(p.beforeCalled());
1429		}
680	–	joinPool(tpe);
1430		}
1431	<
1431	>
1432	>	/**
1433	>	* completed submit of callable returns result
1434	>	*/
1435	>	public void testSubmitCallable() throws Exception {
1436	>	final ExecutorService e =
1437	>	new ThreadPoolExecutor(2, 2,
1438	>	LONG_DELAY_MS, MILLISECONDS,
1439	>	new ArrayBlockingQueue<Runnable>(10));
1440	>	try (PoolCleaner cleaner = cleaner(e)) {
1441	>	Future<String> future = e.submit(new StringTask());
1442	>	String result = future.get();
1443	>	assertSame(TEST_STRING, result);
1444	>	}
1445	>	}
1446	>
1447	>	/**
1448	>	* completed submit of runnable returns successfully
1449	>	*/
1450	>	public void testSubmitRunnable() throws Exception {
1451	>	final ExecutorService e =
1452	>	new ThreadPoolExecutor(2, 2,
1453	>	LONG_DELAY_MS, MILLISECONDS,
1454	>	new ArrayBlockingQueue<Runnable>(10));
1455	>	try (PoolCleaner cleaner = cleaner(e)) {
1456	>	Future<?> future = e.submit(new NoOpRunnable());
1457	>	future.get();
1458	>	assertTrue(future.isDone());
1459	>	}
1460	>	}
1461	>
1462	>	/**
1463	>	* completed submit of (runnable, result) returns result
1464	>	*/
1465	>	public void testSubmitRunnable2() throws Exception {
1466	>	final ExecutorService e =
1467	>	new ThreadPoolExecutor(2, 2,
1468	>	LONG_DELAY_MS, MILLISECONDS,
1469	>	new ArrayBlockingQueue<Runnable>(10));
1470	>	try (PoolCleaner cleaner = cleaner(e)) {
1471	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1472	>	String result = future.get();
1473	>	assertSame(TEST_STRING, result);
1474	>	}
1475	>	}
1476	>
1477	>	/**
1478	>	* invokeAny(null) throws NPE
1479	>	*/
1480	>	public void testInvokeAny1() throws Exception {
1481	>	final ExecutorService e =
1482	>	new ThreadPoolExecutor(2, 2,
1483	>	LONG_DELAY_MS, MILLISECONDS,
1484	>	new ArrayBlockingQueue<Runnable>(10));
1485	>	try (PoolCleaner cleaner = cleaner(e)) {
1486	>	try {
1487	>	e.invokeAny(null);
1488	>	shouldThrow();
1489	>	} catch (NullPointerException success) {}
1490	>	}
1491	>	}
1492	>
1493	>	/**
1494	>	* invokeAny(empty collection) throws IAE
1495	>	*/
1496	>	public void testInvokeAny2() throws Exception {
1497	>	final ExecutorService e =
1498	>	new ThreadPoolExecutor(2, 2,
1499	>	LONG_DELAY_MS, MILLISECONDS,
1500	>	new ArrayBlockingQueue<Runnable>(10));
1501	>	try (PoolCleaner cleaner = cleaner(e)) {
1502	>	try {
1503	>	e.invokeAny(new ArrayList<Callable<String>>());
1504	>	shouldThrow();
1505	>	} catch (IllegalArgumentException success) {}
1506	>	}
1507	>	}
1508	>
1509	>	/**
1510	>	* invokeAny(c) throws NPE if c has null elements
1511	>	*/
1512	>	public void testInvokeAny3() throws Exception {
1513	>	final CountDownLatch latch = new CountDownLatch(1);
1514	>	final ExecutorService e =
1515	>	new ThreadPoolExecutor(2, 2,
1516	>	LONG_DELAY_MS, MILLISECONDS,
1517	>	new ArrayBlockingQueue<Runnable>(10));
1518	>	try (PoolCleaner cleaner = cleaner(e)) {
1519	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1520	>	l.add(latchAwaitingStringTask(latch));
1521	>	l.add(null);
1522	>	try {
1523	>	e.invokeAny(l);
1524	>	shouldThrow();
1525	>	} catch (NullPointerException success) {}
1526	>	latch.countDown();
1527	>	}
1528	>	}
1529	>
1530	>	/**
1531	>	* invokeAny(c) throws ExecutionException if no task completes
1532	>	*/
1533	>	public void testInvokeAny4() throws Exception {
1534	>	final ExecutorService e =
1535	>	new ThreadPoolExecutor(2, 2,
1536	>	LONG_DELAY_MS, MILLISECONDS,
1537	>	new ArrayBlockingQueue<Runnable>(10));
1538	>	try (PoolCleaner cleaner = cleaner(e)) {
1539	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1540	>	l.add(new NPETask());
1541	>	try {
1542	>	e.invokeAny(l);
1543	>	shouldThrow();
1544	>	} catch (ExecutionException success) {
1545	>	assertTrue(success.getCause() instanceof NullPointerException);
1546	>	}
1547	>	}
1548	>	}
1549	>
1550	>	/**
1551	>	* invokeAny(c) returns result of some task
1552	>	*/
1553	>	public void testInvokeAny5() throws Exception {
1554	>	final ExecutorService e =
1555	>	new ThreadPoolExecutor(2, 2,
1556	>	LONG_DELAY_MS, MILLISECONDS,
1557	>	new ArrayBlockingQueue<Runnable>(10));
1558	>	try (PoolCleaner cleaner = cleaner(e)) {
1559	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1560	>	l.add(new StringTask());
1561	>	l.add(new StringTask());
1562	>	String result = e.invokeAny(l);
1563	>	assertSame(TEST_STRING, result);
1564	>	}
1565	>	}
1566	>
1567	>	/**
1568	>	* invokeAll(null) throws NPE
1569	>	*/
1570	>	public void testInvokeAll1() throws Exception {
1571	>	final ExecutorService e =
1572	>	new ThreadPoolExecutor(2, 2,
1573	>	LONG_DELAY_MS, MILLISECONDS,
1574	>	new ArrayBlockingQueue<Runnable>(10));
1575	>	try (PoolCleaner cleaner = cleaner(e)) {
1576	>	try {
1577	>	e.invokeAll(null);
1578	>	shouldThrow();
1579	>	} catch (NullPointerException success) {}
1580	>	}
1581	>	}
1582	>
1583	>	/**
1584	>	* invokeAll(empty collection) returns empty collection
1585	>	*/
1586	>	public void testInvokeAll2() throws InterruptedException {
1587	>	final ExecutorService e =
1588	>	new ThreadPoolExecutor(2, 2,
1589	>	LONG_DELAY_MS, MILLISECONDS,
1590	>	new ArrayBlockingQueue<Runnable>(10));
1591	>	try (PoolCleaner cleaner = cleaner(e)) {
1592	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1593	>	assertTrue(r.isEmpty());
1594	>	}
1595	>	}
1596	>
1597	>	/**
1598	>	* invokeAll(c) throws NPE if c has null elements
1599	>	*/
1600	>	public void testInvokeAll3() throws Exception {
1601	>	final ExecutorService e =
1602	>	new ThreadPoolExecutor(2, 2,
1603	>	LONG_DELAY_MS, MILLISECONDS,
1604	>	new ArrayBlockingQueue<Runnable>(10));
1605	>	try (PoolCleaner cleaner = cleaner(e)) {
1606	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1607	>	l.add(new StringTask());
1608	>	l.add(null);
1609	>	try {
1610	>	e.invokeAll(l);
1611	>	shouldThrow();
1612	>	} catch (NullPointerException success) {}
1613	>	}
1614	>	}
1615	>
1616	>	/**
1617	>	* get of element of invokeAll(c) throws exception on failed task
1618	>	*/
1619	>	public void testInvokeAll4() throws Exception {
1620	>	final ExecutorService e =
1621	>	new ThreadPoolExecutor(2, 2,
1622	>	LONG_DELAY_MS, MILLISECONDS,
1623	>	new ArrayBlockingQueue<Runnable>(10));
1624	>	try (PoolCleaner cleaner = cleaner(e)) {
1625	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1626	>	l.add(new NPETask());
1627	>	List<Future<String>> futures = e.invokeAll(l);
1628	>	assertEquals(1, futures.size());
1629	>	try {
1630	>	futures.get(0).get();
1631	>	shouldThrow();
1632	>	} catch (ExecutionException success) {
1633	>	assertTrue(success.getCause() instanceof NullPointerException);
1634	>	}
1635	>	}
1636	>	}
1637	>
1638	>	/**
1639	>	* invokeAll(c) returns results of all completed tasks
1640	>	*/
1641	>	public void testInvokeAll5() throws Exception {
1642	>	final ExecutorService e =
1643	>	new ThreadPoolExecutor(2, 2,
1644	>	LONG_DELAY_MS, MILLISECONDS,
1645	>	new ArrayBlockingQueue<Runnable>(10));
1646	>	try (PoolCleaner cleaner = cleaner(e)) {
1647	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1648	>	l.add(new StringTask());
1649	>	l.add(new StringTask());
1650	>	List<Future<String>> futures = e.invokeAll(l);
1651	>	assertEquals(2, futures.size());
1652	>	for (Future<String> future : futures)
1653	>	assertSame(TEST_STRING, future.get());
1654	>	}
1655	>	}
1656	>
1657	>	/**
1658	>	* timed invokeAny(null) throws NPE
1659	>	*/
1660	>	public void testTimedInvokeAny1() throws Exception {
1661	>	final ExecutorService e =
1662	>	new ThreadPoolExecutor(2, 2,
1663	>	LONG_DELAY_MS, MILLISECONDS,
1664	>	new ArrayBlockingQueue<Runnable>(10));
1665	>	try (PoolCleaner cleaner = cleaner(e)) {
1666	>	try {
1667	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1668	>	shouldThrow();
1669	>	} catch (NullPointerException success) {}
1670	>	}
1671	>	}
1672	>
1673	>	/**
1674	>	* timed invokeAny(,,null) throws NPE
1675	>	*/
1676	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1677	>	final ExecutorService e =
1678	>	new ThreadPoolExecutor(2, 2,
1679	>	LONG_DELAY_MS, MILLISECONDS,
1680	>	new ArrayBlockingQueue<Runnable>(10));
1681	>	try (PoolCleaner cleaner = cleaner(e)) {
1682	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1683	>	l.add(new StringTask());
1684	>	try {
1685	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1686	>	shouldThrow();
1687	>	} catch (NullPointerException success) {}
1688	>	}
1689	>	}
1690	>
1691	>	/**
1692	>	* timed invokeAny(empty collection) throws IAE
1693	>	*/
1694	>	public void testTimedInvokeAny2() throws Exception {
1695	>	final ExecutorService e =
1696	>	new ThreadPoolExecutor(2, 2,
1697	>	LONG_DELAY_MS, MILLISECONDS,
1698	>	new ArrayBlockingQueue<Runnable>(10));
1699	>	try (PoolCleaner cleaner = cleaner(e)) {
1700	>	try {
1701	>	e.invokeAny(new ArrayList<Callable<String>>(),
1702	>	MEDIUM_DELAY_MS, MILLISECONDS);
1703	>	shouldThrow();
1704	>	} catch (IllegalArgumentException success) {}
1705	>	}
1706	>	}
1707	>
1708	>	/**
1709	>	* timed invokeAny(c) throws NPE if c has null elements
1710	>	*/
1711	>	public void testTimedInvokeAny3() throws Exception {
1712	>	final CountDownLatch latch = new CountDownLatch(1);
1713	>	final ExecutorService e =
1714	>	new ThreadPoolExecutor(2, 2,
1715	>	LONG_DELAY_MS, MILLISECONDS,
1716	>	new ArrayBlockingQueue<Runnable>(10));
1717	>	try (PoolCleaner cleaner = cleaner(e)) {
1718	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1719	>	l.add(latchAwaitingStringTask(latch));
1720	>	l.add(null);
1721	>	try {
1722	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1723	>	shouldThrow();
1724	>	} catch (NullPointerException success) {}
1725	>	latch.countDown();
1726	>	}
1727	>	}
1728	>
1729	>	/**
1730	>	* timed invokeAny(c) throws ExecutionException if no task completes
1731	>	*/
1732	>	public void testTimedInvokeAny4() throws Exception {
1733	>	final ExecutorService e =
1734	>	new ThreadPoolExecutor(2, 2,
1735	>	LONG_DELAY_MS, MILLISECONDS,
1736	>	new ArrayBlockingQueue<Runnable>(10));
1737	>	try (PoolCleaner cleaner = cleaner(e)) {
1738	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1739	>	l.add(new NPETask());
1740	>	try {
1741	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1742	>	shouldThrow();
1743	>	} catch (ExecutionException success) {
1744	>	assertTrue(success.getCause() instanceof NullPointerException);
1745	>	}
1746	>	}
1747	>	}
1748	>
1749	>	/**
1750	>	* timed invokeAny(c) returns result of some task
1751	>	*/
1752	>	public void testTimedInvokeAny5() throws Exception {
1753	>	final ExecutorService e =
1754	>	new ThreadPoolExecutor(2, 2,
1755	>	LONG_DELAY_MS, MILLISECONDS,
1756	>	new ArrayBlockingQueue<Runnable>(10));
1757	>	try (PoolCleaner cleaner = cleaner(e)) {
1758	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1759	>	l.add(new StringTask());
1760	>	l.add(new StringTask());
1761	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1762	>	assertSame(TEST_STRING, result);
1763	>	}
1764	>	}
1765	>
1766	>	/**
1767	>	* timed invokeAll(null) throws NPE
1768	>	*/
1769	>	public void testTimedInvokeAll1() throws Exception {
1770	>	final ExecutorService e =
1771	>	new ThreadPoolExecutor(2, 2,
1772	>	LONG_DELAY_MS, MILLISECONDS,
1773	>	new ArrayBlockingQueue<Runnable>(10));
1774	>	try (PoolCleaner cleaner = cleaner(e)) {
1775	>	try {
1776	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1777	>	shouldThrow();
1778	>	} catch (NullPointerException success) {}
1779	>	}
1780	>	}
1781	>
1782	>	/**
1783	>	* timed invokeAll(,,null) throws NPE
1784	>	*/
1785	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1786	>	final ExecutorService e =
1787	>	new ThreadPoolExecutor(2, 2,
1788	>	LONG_DELAY_MS, MILLISECONDS,
1789	>	new ArrayBlockingQueue<Runnable>(10));
1790	>	try (PoolCleaner cleaner = cleaner(e)) {
1791	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1792	>	l.add(new StringTask());
1793	>	try {
1794	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1795	>	shouldThrow();
1796	>	} catch (NullPointerException success) {}
1797	>	}
1798	>	}
1799	>
1800	>	/**
1801	>	* timed invokeAll(empty collection) returns empty collection
1802	>	*/
1803	>	public void testTimedInvokeAll2() throws InterruptedException {
1804	>	final ExecutorService e =
1805	>	new ThreadPoolExecutor(2, 2,
1806	>	LONG_DELAY_MS, MILLISECONDS,
1807	>	new ArrayBlockingQueue<Runnable>(10));
1808	>	try (PoolCleaner cleaner = cleaner(e)) {
1809	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1810	>	MEDIUM_DELAY_MS, MILLISECONDS);
1811	>	assertTrue(r.isEmpty());
1812	>	}
1813	>	}
1814	>
1815	>	/**
1816	>	* timed invokeAll(c) throws NPE if c has null elements
1817	>	*/
1818	>	public void testTimedInvokeAll3() throws Exception {
1819	>	final ExecutorService e =
1820	>	new ThreadPoolExecutor(2, 2,
1821	>	LONG_DELAY_MS, MILLISECONDS,
1822	>	new ArrayBlockingQueue<Runnable>(10));
1823	>	try (PoolCleaner cleaner = cleaner(e)) {
1824	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1825	>	l.add(new StringTask());
1826	>	l.add(null);
1827	>	try {
1828	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1829	>	shouldThrow();
1830	>	} catch (NullPointerException success) {}
1831	>	}
1832	>	}
1833	>
1834	>	/**
1835	>	* get of element of invokeAll(c) throws exception on failed task
1836	>	*/
1837	>	public void testTimedInvokeAll4() throws Exception {
1838	>	final ExecutorService e =
1839	>	new ThreadPoolExecutor(2, 2,
1840	>	LONG_DELAY_MS, MILLISECONDS,
1841	>	new ArrayBlockingQueue<Runnable>(10));
1842	>	try (PoolCleaner cleaner = cleaner(e)) {
1843	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1844	>	l.add(new NPETask());
1845	>	List<Future<String>> futures =
1846	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1847	>	assertEquals(1, futures.size());
1848	>	try {
1849	>	futures.get(0).get();
1850	>	shouldThrow();
1851	>	} catch (ExecutionException success) {
1852	>	assertTrue(success.getCause() instanceof NullPointerException);
1853	>	}
1854	>	}
1855	>	}
1856	>
1857	>	/**
1858	>	* timed invokeAll(c) returns results of all completed tasks
1859	>	*/
1860	>	public void testTimedInvokeAll5() throws Exception {
1861	>	final ExecutorService e =
1862	>	new ThreadPoolExecutor(2, 2,
1863	>	LONG_DELAY_MS, MILLISECONDS,
1864	>	new ArrayBlockingQueue<Runnable>(10));
1865	>	try (PoolCleaner cleaner = cleaner(e)) {
1866	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1867	>	l.add(new StringTask());
1868	>	l.add(new StringTask());
1869	>	List<Future<String>> futures =
1870	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1871	>	assertEquals(2, futures.size());
1872	>	for (Future<String> future : futures)
1873	>	assertSame(TEST_STRING, future.get());
1874	>	}
1875	>	}
1876	>
1877	>	/**
1878	>	* timed invokeAll(c) cancels tasks not completed by timeout
1879	>	*/
1880	>	public void testTimedInvokeAll6() throws Exception {
1881	>	final ExecutorService e =
1882	>	new ThreadPoolExecutor(2, 2,
1883	>	LONG_DELAY_MS, MILLISECONDS,
1884	>	new ArrayBlockingQueue<Runnable>(10));
1885	>	try (PoolCleaner cleaner = cleaner(e)) {
1886	>	for (long timeout = timeoutMillis();;) {
1887	>	List<Callable<String>> tasks = new ArrayList<>();
1888	>	tasks.add(new StringTask("0"));
1889	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1890	>	tasks.add(new StringTask("2"));
1891	>	long startTime = System.nanoTime();
1892	>	List<Future<String>> futures =
1893	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1894	>	assertEquals(tasks.size(), futures.size());
1895	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1896	>	for (Future future : futures)
1897	>	assertTrue(future.isDone());
1898	>	assertTrue(futures.get(1).isCancelled());
1899	>	try {
1900	>	assertEquals("0", futures.get(0).get());
1901	>	assertEquals("2", futures.get(2).get());
1902	>	break;
1903	>	} catch (CancellationException retryWithLongerTimeout) {
1904	>	timeout *= 2;
1905	>	if (timeout >= LONG_DELAY_MS / 2)
1906	>	fail("expected exactly one task to be cancelled");
1907	>	}
1908	>	}
1909	>	}
1910	>	}
1911	>
1912	>	/**
1913	>	* Execution continues if there is at least one thread even if
1914	>	* thread factory fails to create more
1915	>	*/
1916	>	public void testFailingThreadFactory() throws InterruptedException {
1917	>	final ExecutorService e =
1918	>	new ThreadPoolExecutor(100, 100,
1919	>	LONG_DELAY_MS, MILLISECONDS,
1920	>	new LinkedBlockingQueue<Runnable>(),
1921	>	new FailingThreadFactory());
1922	>	try (PoolCleaner cleaner = cleaner(e)) {
1923	>	final int TASKS = 100;
1924	>	final CountDownLatch done = new CountDownLatch(TASKS);
1925	>	for (int k = 0; k < TASKS; ++k)
1926	>	e.execute(new CheckedRunnable() {
1927	>	public void realRun() {
1928	>	done.countDown();
1929	>	}});
1930	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1931	>	}
1932	>	}
1933	>
1934	>	/**
1935	>	* allowsCoreThreadTimeOut is by default false.
1936	>	*/
1937	>	public void testAllowsCoreThreadTimeOut() {
1938	>	final ThreadPoolExecutor p =
1939	>	new ThreadPoolExecutor(2, 2,
1940	>	1000, MILLISECONDS,
1941	>	new ArrayBlockingQueue<Runnable>(10));
1942	>	try (PoolCleaner cleaner = cleaner(p)) {
1943	>	assertFalse(p.allowsCoreThreadTimeOut());
1944	>	}
1945	>	}
1946	>
1947	>	/**
1948	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1949	>	*/
1950	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1951	>	long keepAliveTime = timeoutMillis();
1952	>	final ThreadPoolExecutor p =
1953	>	new ThreadPoolExecutor(2, 10,
1954	>	keepAliveTime, MILLISECONDS,
1955	>	new ArrayBlockingQueue<Runnable>(10));
1956	>	try (PoolCleaner cleaner = cleaner(p)) {
1957	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1958	>	p.allowCoreThreadTimeOut(true);
1959	>	p.execute(new CheckedRunnable() {
1960	>	public void realRun() {
1961	>	threadStarted.countDown();
1962	>	assertEquals(1, p.getPoolSize());
1963	>	}});
1964	>	await(threadStarted);
1965	>	delay(keepAliveTime);
1966	>	long startTime = System.nanoTime();
1967	>	while (p.getPoolSize() > 0
1968	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1969	>	Thread.yield();
1970	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1971	>	assertEquals(0, p.getPoolSize());
1972	>	}
1973	>	}
1974	>
1975	>	/**
1976	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1977	>	*/
1978	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1979	>	long keepAliveTime = timeoutMillis();
1980	>	final ThreadPoolExecutor p =
1981	>	new ThreadPoolExecutor(2, 10,
1982	>	keepAliveTime, MILLISECONDS,
1983	>	new ArrayBlockingQueue<Runnable>(10));
1984	>	try (PoolCleaner cleaner = cleaner(p)) {
1985	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1986	>	p.allowCoreThreadTimeOut(false);
1987	>	p.execute(new CheckedRunnable() {
1988	>	public void realRun() throws InterruptedException {
1989	>	threadStarted.countDown();
1990	>	assertTrue(p.getPoolSize() >= 1);
1991	>	}});
1992	>	delay(2 * keepAliveTime);
1993	>	assertTrue(p.getPoolSize() >= 1);
1994	>	}
1995	>	}
1996	>
1997	>	/**
1998	>	* execute allows the same task to be submitted multiple times, even
1999	>	* if rejected
2000	>	*/
2001	>	public void testRejectedRecycledTask() throws InterruptedException {
2002	>	final int nTasks = 1000;
2003	>	final CountDownLatch done = new CountDownLatch(nTasks);
2004	>	final Runnable recycledTask = new Runnable() {
2005	>	public void run() {
2006	>	done.countDown();
2007	>	}};
2008	>	final ThreadPoolExecutor p =
2009	>	new ThreadPoolExecutor(1, 30,
2010	>	60, SECONDS,
2011	>	new ArrayBlockingQueue(30));
2012	>	try (PoolCleaner cleaner = cleaner(p)) {
2013	>	for (int i = 0; i < nTasks; ++i) {
2014	>	for (;;) {
2015	>	try {
2016	>	p.execute(recycledTask);
2017	>	break;
2018	>	}
2019	>	catch (RejectedExecutionException ignore) {}
2020	>	}
2021	>	}
2022	>	// enough time to run all tasks
2023	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2024	>	}
2025	>	}
2026	>
2027	>	/**
2028	>	* get(cancelled task) throws CancellationException
2029	>	*/
2030	>	public void testGet_cancelled() throws Exception {
2031	>	final ExecutorService e =
2032	>	new ThreadPoolExecutor(1, 1,
2033	>	LONG_DELAY_MS, MILLISECONDS,
2034	>	new LinkedBlockingQueue<Runnable>());
2035	>	try (PoolCleaner cleaner = cleaner(e)) {
2036	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2037	>	final CountDownLatch done = new CountDownLatch(1);
2038	>	final List<Future<?>> futures = new ArrayList<>();
2039	>	for (int i = 0; i < 2; i++) {
2040	>	Runnable r = new CheckedRunnable() { public void realRun()
2041	>	throws Throwable {
2042	>	blockerStarted.countDown();
2043	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2044	>	}};
2045	>	futures.add(e.submit(r));
2046	>	}
2047	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2048	>	for (Future<?> future : futures) future.cancel(false);
2049	>	for (Future<?> future : futures) {
2050	>	try {
2051	>	future.get();
2052	>	shouldThrow();
2053	>	} catch (CancellationException success) {}
2054	>	try {
2055	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2056	>	shouldThrow();
2057	>	} catch (CancellationException success) {}
2058	>	assertTrue(future.isCancelled());
2059	>	assertTrue(future.isDone());
2060	>	}
2061	>	done.countDown();
2062	>	}
2063	>	}
2064	>
2065		}

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