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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.90 by jsr166, Sun Oct 4 03:07:31 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
45	<	/**
46	<	* For use as ThreadFactory in constructors
47	<	*/
48	<	static class MyThreadFactory implements ThreadFactory{
49	<	public Thread newThread(Runnable r){
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78		return new Thread(r);
79	<	}
79	>	}
80		}
81
82		/**
83	<	* For use as RejectedExecutionHandler in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyREHandler implements RejectedExecutionHandler{
86	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	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(MEDIUM_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	<
205	>
206		/**
207	<	*   execute successfully executes a runnable
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209	<	public void testExecute() {
210	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	try {
212	<	p1.execute(new Runnable() {
213	<	public void run() {
214	<	try {
215	<	Thread.sleep(SHORT_DELAY_MS);
216	<	} catch(InterruptedException e){
47	<	threadUnexpectedException();
48	<	}
49	<	}
50	<	});
51	<	Thread.sleep(SMALL_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
54	<	}
55	<	joinPool(p1);
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	>	}
217		}
218
219		/**
220	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testGetActiveCount() {
223	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	assertEquals(0, p2.getActiveCount());
225	<	p2.execute(new MediumRunnable());
226	<	try {
227	<	Thread.sleep(SHORT_DELAY_MS);
228	<	} catch(Exception e){
69	<	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		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
230		}
231	<
231	>
232		/**
233	<	*   getCompletedTaskCount increases, but doesn't overestimate,
77	<	*   when tasks complete
233	>	* getThreadFactory returns factory in constructor if not set
234		*/
235	<	public void testGetCompletedTaskCount() {
236	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237	<	assertEquals(0, p2.getCompletedTaskCount());
238	<	p2.execute(new ShortRunnable());
239	<	try {
240	<	Thread.sleep(MEDIUM_DELAY_MS);
241	<	} catch(Exception e){
242	<	unexpectedException();
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		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
246		}
247	<
247	>
248		/**
249	<	*   getCorePoolSize returns size given in constructor if not otherwise set
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251	<	public void testGetCorePoolSize() {
252	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	assertEquals(1, p1.getCorePoolSize());
254	<	joinPool(p1);
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	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
264	>	* setThreadFactory(null) throws NPE
265		*/
266	<	public void testGetKeepAliveTime() {
267	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
269	<	joinPool(p2);
270	<	}
271	<
272	<	/**
273	<	*   getLargestPoolSize increases, but doesn't overestimate, when
274	<	*   multiple threads active
275	<	*/
276	<	public void testGetLargestPoolSize() {
116	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	try {
118	<	assertEquals(0, p2.getLargestPoolSize());
119	<	p2.execute(new MediumRunnable());
120	<	p2.execute(new MediumRunnable());
121	<	Thread.sleep(SHORT_DELAY_MS);
122	<	assertEquals(2, p2.getLargestPoolSize());
123	<	} catch(Exception e){
124	<	unexpectedException();
125	<	}
126	<	joinPool(p2);
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	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282	<	public void testGetMaximumPoolSize() {
283	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
284	<	assertEquals(2, p2.getMaximumPoolSize());
285	<	joinPool(p2);
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	<	*   getPoolSize increases, but doesn't overestimate, when threads
296	<	*   become active
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297		*/
298	<	public void testGetPoolSize() {
299	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	assertEquals(0, p1.getPoolSize());
301	<	p1.execute(new MediumRunnable());
302	<	assertEquals(1, p1.getPoolSize());
303	<	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	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
311	>	* setRejectedExecutionHandler(null) throws NPE
312		*/
313	<	public void testGetTaskCount() {
314	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315	<	try {
316	<	assertEquals(0, p1.getTaskCount());
317	<	p1.execute(new MediumRunnable());
318	<	Thread.sleep(SHORT_DELAY_MS);
319	<	assertEquals(1, p1.getTaskCount());
320	<	} catch(Exception e){
321	<	unexpectedException();
322	<	}
323	<	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	<
325	>
326		/**
327	<	*   isShutDown is false before shutdown, true after
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329		*/
330	<	public void testIsShutdown() {
331	<
332	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
333	<	assertFalse(p1.isShutdown());
334	<	p1.shutdown();
335	<	assertTrue(p1.isShutdown());
336	<	joinPool(p1);
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(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352		}
353
179	–
354		/**
355	<	*  isTerminated is false before termination, true after
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357		*/
358	<	public void testIsTerminated() {
359	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360	<	assertFalse(p1.isTerminated());
361	<	try {
362	<	p1.execute(new MediumRunnable());
363	<	} finally {
364	<	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(MEDIUM_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 ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
419		}
420
421		/**
422	<	*  isTerminating is not true when running or when terminated
422	>	* isShutdown is false before shutdown, true after
423		*/
424	<	public void testIsTerminating() {
425	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426	<	assertFalse(p1.isTerminating());
427	<	try {
428	<	p1.execute(new SmallRunnable());
429	<	assertFalse(p1.isTerminating());
430	<	} finally {
431	<	p1.shutdown();
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434	>	}
435	>
436	>	/**
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>	}
467	>
468	>	/**
469	>	* isTerminated is false before termination, true after
470	>	*/
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493	>	}
494	>	}
495	>
496	>	/**
497	>	* isTerminating is not true when running or when terminated
498	>	*/
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521	>	}
522	>	}
523	>
524	>	/**
525	>	* getQueue returns the work queue, which contains queued tasks
526	>	*/
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	done.countDown();
554		}
211	–	try {
212	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
213	–	assertTrue(p1.isTerminated());
214	–	assertFalse(p1.isTerminating());
215	–	} catch(Exception e){
216	–	unexpectedException();
217	–	}
555		}
556
557		/**
558	<	*   purge removes cancelled tasks from the queue
559	<	*/
560	<	public void testPurge() {
561	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
562	<	CancellableTask[] tasks = new CancellableTask[5];
563	<	for(int i = 0; i < 5; i++){
564	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
565	<	p1.execute(tasks[i]);
558	>	* remove(task) removes queued task, and fails to remove active task
559	>	*/
560	>	public void testRemove() throws InterruptedException {
561	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562	>	final ThreadPoolExecutor p =
563	>	new ThreadPoolExecutor(1, 1,
564	>	LONG_DELAY_MS, MILLISECONDS,
565	>	q);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	Runnable[] tasks = new Runnable[6];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	tasks[i] = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	p.execute(tasks[i]);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	assertFalse(p.remove(tasks[0]));
580	>	assertTrue(q.contains(tasks[4]));
581	>	assertTrue(q.contains(tasks[3]));
582	>	assertTrue(p.remove(tasks[4]));
583	>	assertFalse(p.remove(tasks[4]));
584	>	assertFalse(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[3]));
587	>	assertFalse(q.contains(tasks[3]));
588	>	done.countDown();
589		}
230	–	tasks[4].cancel(true);
231	–	tasks[3].cancel(true);
232	–	p1.purge();
233	–	long count = p1.getTaskCount();
234	–	assertTrue(count >= 2 && count < 5);
235	–	joinPool(p1);
590		}
591
592		/**
593	<	*  shutDownNow returns a list containing tasks that were not run
594	<	*/
595	<	public void testShutDownNow() {
596	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
597	<	List l;
598	<	try {
599	<	for(int i = 0; i < 5; i++)
600	<	p1.execute(new MediumPossiblyInterruptedRunnable());
601	<	}
602	<	finally {
603	<	l = p1.shutdownNow();
593	>	* purge removes cancelled tasks from the queue
594	>	*/
595	>	public void testPurge() throws InterruptedException {
596	>	final CountDownLatch threadStarted = new CountDownLatch(1);
597	>	final CountDownLatch done = new CountDownLatch(1);
598	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599	>	final ThreadPoolExecutor p =
600	>	new ThreadPoolExecutor(1, 1,
601	>	LONG_DELAY_MS, MILLISECONDS,
602	>	q);
603	>	try (PoolCleaner cleaner = cleaner(p)) {
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Callable task = new CheckedCallable<Boolean>() {
607	>	public Boolean realCall() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	done.await();
610	>	return Boolean.TRUE;
611	>	}};
612	>	tasks[i] = new FutureTask(task);
613	>	p.execute(tasks[i]);
614	>	}
615	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616	>	assertEquals(tasks.length, p.getTaskCount());
617	>	assertEquals(tasks.length - 1, q.size());
618	>	assertEquals(1L, p.getActiveCount());
619	>	assertEquals(0L, p.getCompletedTaskCount());
620	>	tasks[4].cancel(true);
621	>	tasks[3].cancel(false);
622	>	p.purge();
623	>	assertEquals(tasks.length - 3, q.size());
624	>	assertEquals(tasks.length - 2, p.getTaskCount());
625	>	p.purge();         // Nothing to do
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	done.countDown();
629		}
630	<	assertTrue(p1.isShutdown());
631	<	assertTrue(l.size() <= 4);
630	>	}
631	>
632	>	/**
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635	>	*/
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ThreadPoolExecutor p =
641	>	new ThreadPoolExecutor(poolSize, poolSize,
642	>	LONG_DELAY_MS, MILLISECONDS,
643	>	new ArrayBlockingQueue<Runnable>(10));
644	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
646	>	threadsStarted.countDown();
647	>	try {
648	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649	>	} catch (InterruptedException success) {}
650	>	ran.getAndIncrement();
651	>	}};
652	>	for (int i = 0; i < count; i++)
653	>	p.execute(waiter);
654	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655	>	assertEquals(poolSize, p.getActiveCount());
656	>	assertEquals(0, p.getCompletedTaskCount());
657	>	final List<Runnable> queuedTasks;
658	>	try {
659	>	queuedTasks = p.shutdownNow();
660	>	} catch (SecurityException ok) {
661	>	return; // Allowed in case test doesn't have privs
662	>	}
663	>	assertTrue(p.isShutdown());
664	>	assertTrue(p.getQueue().isEmpty());
665	>	assertEquals(count - poolSize, queuedTasks.size());
666	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667	>	assertTrue(p.isTerminated());
668	>	assertEquals(poolSize, ran.get());
669	>	assertEquals(poolSize, p.getCompletedTaskCount());
670		}
671
672		// Exception Tests
256	–
673
674	<	/**
675	<	* Constructor throws if corePoolSize argument is less than zero
674	>	/**
675	>	* Constructor throws if corePoolSize argument is less than zero
676		*/
677		public void testConstructor1() {
678		try {
679	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
679	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680	>	new ArrayBlockingQueue<Runnable>(10));
681		shouldThrow();
682	<	}
266	<	catch (IllegalArgumentException success){}
682	>	} catch (IllegalArgumentException success) {}
683		}
684	<
685	<	/**
686	<	* Constructor throws if maximumPoolSize is less than zero
684	>
685	>	/**
686	>	* Constructor throws if maximumPoolSize is less than zero
687		*/
688		public void testConstructor2() {
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	<	}
277	<	catch (IllegalArgumentException success){}
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	/**
697	<	* Constructor throws if maximumPoolSize is equal to zero
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698		*/
699		public void testConstructor3() {
700		try {
701	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703		shouldThrow();
704	<	}
288	<	catch (IllegalArgumentException success){}
704	>	} catch (IllegalArgumentException success) {}
705		}
706
707	<	/**
708	<	* Constructor throws if keepAliveTime is less than zero
707	>	/**
708	>	* Constructor throws if keepAliveTime is less than zero
709		*/
710		public void testConstructor4() {
711		try {
712	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714		shouldThrow();
715	<	}
299	<	catch (IllegalArgumentException success){}
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	/**
719	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
718	>	/**
719	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
720		*/
721		public void testConstructor5() {
722		try {
723	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725		shouldThrow();
726	<	}
310	<	catch (IllegalArgumentException success){}
726	>	} catch (IllegalArgumentException success) {}
727		}
728	<
729	<	/**
730	<	* Constructor throws if workQueue is set to null
728	>
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731		*/
732	<	public void testNullPointerException() {
732	>	public void testConstructorNullPointerException() {
733		try {
734	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
734	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735	>	(BlockingQueue) null);
736		shouldThrow();
737	<	}
321	<	catch (NullPointerException success){}
737	>	} catch (NullPointerException success) {}
738		}
323	–
739
740	<
741	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
740	>	/**
741	>	* Constructor throws if corePoolSize argument is less than zero
742		*/
743		public void testConstructor6() {
744		try {
745	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
745	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748		shouldThrow();
749	<	} catch (IllegalArgumentException success){}
749	>	} catch (IllegalArgumentException success) {}
750		}
751	<
752	<	/**
753	<	* Constructor throws if maximumPoolSize is less than zero
751	>
752	>	/**
753	>	* Constructor throws if maximumPoolSize is less than zero
754		*/
755		public void testConstructor7() {
756		try {
757	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760		shouldThrow();
761	<	}
344	<	catch (IllegalArgumentException success){}
761	>	} catch (IllegalArgumentException success) {}
762		}
763
764	<	/**
765	<	* Constructor throws if maximumPoolSize is equal to zero
764	>	/**
765	>	* Constructor throws if maximumPoolSize is equal to zero
766		*/
767		public void testConstructor8() {
768		try {
769	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772		shouldThrow();
773	<	}
355	<	catch (IllegalArgumentException success){}
773	>	} catch (IllegalArgumentException success) {}
774		}
775
776	<	/**
777	<	* Constructor throws if keepAliveTime is less than zero
776	>	/**
777	>	* Constructor throws if keepAliveTime is less than zero
778		*/
779		public void testConstructor9() {
780		try {
781	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
781	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784		shouldThrow();
785	<	}
366	<	catch (IllegalArgumentException success){}
785	>	} catch (IllegalArgumentException success) {}
786		}
787
788	<	/**
789	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
788	>	/**
789	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
790		*/
791		public void testConstructor10() {
792		try {
793	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
793	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796		shouldThrow();
797	<	}
377	<	catch (IllegalArgumentException success){}
797	>	} catch (IllegalArgumentException success) {}
798		}
799
800	<	/**
801	<	* Constructor throws if workQueue is set to null
800	>	/**
801	>	* Constructor throws if workQueue is set to null
802		*/
803	<	public void testNullPointerException2() {
803	>	public void testConstructorNullPointerException2() {
804		try {
805	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
805	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806	>	(BlockingQueue) null,
807	>	new SimpleThreadFactory());
808		shouldThrow();
809	<	}
388	<	catch (NullPointerException success){}
809	>	} catch (NullPointerException success) {}
810		}
811
812	<	/**
813	<	* Constructor throws if threadFactory is set to null
812	>	/**
813	>	* Constructor throws if threadFactory is set to null
814		*/
815	<	public void testNullPointerException3() {
815	>	public void testConstructorNullPointerException3() {
816		try {
817	<	ThreadFactory f = null;
818	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	(ThreadFactory) null);
820		shouldThrow();
821	<	}
400	<	catch (NullPointerException success){}
821	>	} catch (NullPointerException success) {}
822		}
823	<
824	<
825	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
823	>
824	>	/**
825	>	* Constructor throws if corePoolSize argument is less than zero
826		*/
827		public void testConstructor11() {
828		try {
829	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
829	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832		shouldThrow();
833	<	}
412	<	catch (IllegalArgumentException success){}
833	>	} catch (IllegalArgumentException success) {}
834		}
835
836	<	/**
837	<	* Constructor throws if maximumPoolSize is less than zero
836	>	/**
837	>	* Constructor throws if maximumPoolSize is less than zero
838		*/
839		public void testConstructor12() {
840		try {
841	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
841	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844		shouldThrow();
845	<	}
423	<	catch (IllegalArgumentException success){}
845	>	} catch (IllegalArgumentException success) {}
846		}
847
848	<	/**
849	<	* Constructor throws if maximumPoolSize is equal to zero
848	>	/**
849	>	* Constructor throws if maximumPoolSize is equal to zero
850		*/
851		public void testConstructor13() {
852		try {
853	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
853	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856		shouldThrow();
857	<	}
434	<	catch (IllegalArgumentException success){}
857	>	} catch (IllegalArgumentException success) {}
858		}
859
860	<	/**
861	<	* Constructor throws if keepAliveTime is less than zero
860	>	/**
861	>	* Constructor throws if keepAliveTime is less than zero
862		*/
863		public void testConstructor14() {
864		try {
865	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
865	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868		shouldThrow();
869	<	}
445	<	catch (IllegalArgumentException success){}
869	>	} catch (IllegalArgumentException success) {}
870		}
871
872	<	/**
873	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
872	>	/**
873	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
874		*/
875		public void testConstructor15() {
876		try {
877	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
877	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880		shouldThrow();
881	+	} catch (IllegalArgumentException success) {}
882	+	}
883	+
884	+	/**
885	+	* Constructor throws if workQueue is set to null
886	+	*/
887	+	public void testConstructorNullPointerException4() {
888	+	try {
889	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890	+	(BlockingQueue) null,
891	+	new NoOpREHandler());
892	+	shouldThrow();
893	+	} catch (NullPointerException success) {}
894	+	}
895	+
896	+	/**
897	+	* Constructor throws if handler is set to null
898	+	*/
899	+	public void testConstructorNullPointerException5() {
900	+	try {
901	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	+	new ArrayBlockingQueue<Runnable>(10),
903	+	(RejectedExecutionHandler) null);
904	+	shouldThrow();
905	+	} catch (NullPointerException success) {}
906	+	}
907	+
908	+	/**
909	+	* Constructor throws if corePoolSize argument is less than zero
910	+	*/
911	+	public void testConstructor16() {
912	+	try {
913	+	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914	+	new ArrayBlockingQueue<Runnable>(10),
915	+	new SimpleThreadFactory(),
916	+	new NoOpREHandler());
917	+	shouldThrow();
918	+	} catch (IllegalArgumentException success) {}
919	+	}
920	+
921	+	/**
922	+	* Constructor throws if maximumPoolSize is less than zero
923	+	*/
924	+	public void testConstructor17() {
925	+	try {
926	+	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927	+	new ArrayBlockingQueue<Runnable>(10),
928	+	new SimpleThreadFactory(),
929	+	new NoOpREHandler());
930	+	shouldThrow();
931	+	} catch (IllegalArgumentException success) {}
932	+	}
933	+
934	+	/**
935	+	* Constructor throws if maximumPoolSize is equal to zero
936	+	*/
937	+	public void testConstructor18() {
938	+	try {
939	+	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940	+	new ArrayBlockingQueue<Runnable>(10),
941	+	new SimpleThreadFactory(),
942	+	new NoOpREHandler());
943	+	shouldThrow();
944	+	} catch (IllegalArgumentException success) {}
945	+	}
946	+
947	+	/**
948	+	* Constructor throws if keepAliveTime is less than zero
949	+	*/
950	+	public void testConstructor19() {
951	+	try {
952	+	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953	+	new ArrayBlockingQueue<Runnable>(10),
954	+	new SimpleThreadFactory(),
955	+	new NoOpREHandler());
956	+	shouldThrow();
957	+	} catch (IllegalArgumentException success) {}
958	+	}
959	+
960	+	/**
961	+	* Constructor throws if corePoolSize is greater than the maximumPoolSize
962	+	*/
963	+	public void testConstructor20() {
964	+	try {
965	+	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966	+	new ArrayBlockingQueue<Runnable>(10),
967	+	new SimpleThreadFactory(),
968	+	new NoOpREHandler());
969	+	shouldThrow();
970	+	} catch (IllegalArgumentException success) {}
971	+	}
972	+
973	+	/**
974	+	* Constructor throws if workQueue is null
975	+	*/
976	+	public void testConstructorNullPointerException6() {
977	+	try {
978	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979	+	(BlockingQueue) null,
980	+	new SimpleThreadFactory(),
981	+	new NoOpREHandler());
982	+	shouldThrow();
983	+	} catch (NullPointerException success) {}
984	+	}
985	+
986	+	/**
987	+	* Constructor throws if handler is null
988	+	*/
989	+	public void testConstructorNullPointerException7() {
990	+	try {
991	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	+	new ArrayBlockingQueue<Runnable>(10),
993	+	new SimpleThreadFactory(),
994	+	(RejectedExecutionHandler) null);
995	+	shouldThrow();
996	+	} catch (NullPointerException success) {}
997	+	}
998	+
999	+	/**
1000	+	* Constructor throws if ThreadFactory is null
1001	+	*/
1002	+	public void testConstructorNullPointerException8() {
1003	+	try {
1004	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	+	new ArrayBlockingQueue<Runnable>(10),
1006	+	(ThreadFactory) null,
1007	+	new NoOpREHandler());
1008	+	shouldThrow();
1009	+	} catch (NullPointerException success) {}
1010	+	}
1011	+
1012	+	/**
1013	+	* get of submitted callable throws InterruptedException if interrupted
1014	+	*/
1015	+	public void testInterruptedSubmit() throws InterruptedException {
1016	+	final ThreadPoolExecutor p =
1017	+	new ThreadPoolExecutor(1, 1,
1018	+	60, SECONDS,
1019	+	new ArrayBlockingQueue<Runnable>(10));
1020	+
1021	+	try (PoolCleaner cleaner = cleaner(p)) {
1022	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1023	+	final CountDownLatch done = new CountDownLatch(1);
1024	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025	+	public void realRun() throws Exception {
1026	+	Callable task = new CheckedCallable<Boolean>() {
1027	+	public Boolean realCall() throws InterruptedException {
1028	+	threadStarted.countDown();
1029	+	done.await();
1030	+	return Boolean.TRUE;
1031	+	}};
1032	+	p.submit(task).get();
1033	+	}});
1034	+
1035	+	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036	+	t.interrupt();
1037	+	awaitTermination(t, MEDIUM_DELAY_MS);
1038	+	done.countDown();
1039		}
456	–	catch (IllegalArgumentException success){}
1040		}
1041
1042	<	/**
1043	<	* Constructor throws if workQueue is set to null
1042	>	/**
1043	>	* execute throws RejectedExecutionException if saturated.
1044	>	*/
1045	>	public void testSaturatedExecute() {
1046	>	final ThreadPoolExecutor p =
1047	>	new ThreadPoolExecutor(1, 1,
1048	>	LONG_DELAY_MS, MILLISECONDS,
1049	>	new ArrayBlockingQueue<Runnable>(1));
1050	>	try (PoolCleaner cleaner = cleaner(p)) {
1051	>	final CountDownLatch done = new CountDownLatch(1);
1052	>	Runnable task = new CheckedRunnable() {
1053	>	public void realRun() throws InterruptedException {
1054	>	done.await();
1055	>	}};
1056	>	for (int i = 0; i < 2; ++i)
1057	>	p.execute(task);
1058	>	for (int i = 0; i < 2; ++i) {
1059	>	try {
1060	>	p.execute(task);
1061	>	shouldThrow();
1062	>	} catch (RejectedExecutionException success) {}
1063	>	assertTrue(p.getTaskCount() <= 2);
1064	>	}
1065	>	done.countDown();
1066	>	}
1067	>	}
1068	>
1069	>	/**
1070	>	* submit(runnable) throws RejectedExecutionException if saturated.
1071	>	*/
1072	>	public void testSaturatedSubmitRunnable() {
1073	>	ThreadPoolExecutor p =
1074	>	new ThreadPoolExecutor(1, 1,
1075	>	LONG_DELAY_MS, MILLISECONDS,
1076	>	new ArrayBlockingQueue<Runnable>(1));
1077	>	final CountDownLatch done = new CountDownLatch(1);
1078	>	try {
1079	>	Runnable task = new CheckedRunnable() {
1080	>	public void realRun() throws InterruptedException {
1081	>	done.await();
1082	>	}};
1083	>	for (int i = 0; i < 2; ++i)
1084	>	p.submit(task);
1085	>	for (int i = 0; i < 2; ++i) {
1086	>	try {
1087	>	p.execute(task);
1088	>	shouldThrow();
1089	>	} catch (RejectedExecutionException success) {}
1090	>	assertTrue(p.getTaskCount() <= 2);
1091	>	}
1092	>	} finally {
1093	>	done.countDown();
1094	>	joinPool(p);
1095	>	}
1096	>	}
1097	>
1098	>	/**
1099	>	* submit(callable) throws RejectedExecutionException if saturated.
1100		*/
1101	<	public void testNullPointerException4() {
1101	>	public void testSaturatedSubmitCallable() {
1102	>	ThreadPoolExecutor p =
1103	>	new ThreadPoolExecutor(1, 1,
1104	>	LONG_DELAY_MS, MILLISECONDS,
1105	>	new ArrayBlockingQueue<Runnable>(1));
1106	>	final CountDownLatch done = new CountDownLatch(1);
1107	>	try {
1108	>	Runnable task = new CheckedRunnable() {
1109	>	public void realRun() throws InterruptedException {
1110	>	done.await();
1111	>	}};
1112	>	for (int i = 0; i < 2; ++i)
1113	>	p.submit(Executors.callable(task));
1114	>	for (int i = 0; i < 2; ++i) {
1115	>	try {
1116	>	p.execute(task);
1117	>	shouldThrow();
1118	>	} catch (RejectedExecutionException success) {}
1119	>	assertTrue(p.getTaskCount() <= 2);
1120	>	}
1121	>	} finally {
1122	>	done.countDown();
1123	>	joinPool(p);
1124	>	}
1125	>	}
1126	>
1127	>	/**
1128	>	* executor using CallerRunsPolicy runs task if saturated.
1129	>	*/
1130	>	public void testSaturatedExecute2() {
1131	>	final ThreadPoolExecutor p =
1132	>	new ThreadPoolExecutor(1, 1,
1133	>	LONG_DELAY_MS,
1134	>	MILLISECONDS,
1135	>	new ArrayBlockingQueue<Runnable>(1),
1136	>	new ThreadPoolExecutor.CallerRunsPolicy());
1137	>	try (PoolCleaner cleaner = cleaner(p)) {
1138	>	final CountDownLatch done = new CountDownLatch(1);
1139	>	Runnable blocker = new CheckedRunnable() {
1140	>	public void realRun() throws InterruptedException {
1141	>	done.await();
1142	>	}};
1143	>	p.execute(blocker);
1144	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145	>	for (int i = 0; i < tasks.length; i++)
1146	>	tasks[i] = new TrackedNoOpRunnable();
1147	>	for (int i = 0; i < tasks.length; i++)
1148	>	p.execute(tasks[i]);
1149	>	for (int i = 1; i < tasks.length; i++)
1150	>	assertTrue(tasks[i].done);
1151	>	// tasks[0] is waiting in queue
1152	>	assertFalse(tasks[0].done);
1153	>	done.countDown();
1154	>	}
1155	>	}
1156	>
1157	>	/**
1158	>	* executor using DiscardPolicy drops task if saturated.
1159	>	*/
1160	>	public void testSaturatedExecute3() {
1161	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1162	>	final ThreadPoolExecutor p =
1163	>	new ThreadPoolExecutor(1, 1,
1164	>	LONG_DELAY_MS, MILLISECONDS,
1165	>	new ArrayBlockingQueue<Runnable>(1),
1166	>	h);
1167	>	try {
1168	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1169	>	for (int i = 0; i < tasks.length; ++i)
1170	>	tasks[i] = new TrackedNoOpRunnable();
1171	>	p.execute(new TrackedLongRunnable());
1172	>	for (TrackedNoOpRunnable task : tasks)
1173	>	p.execute(task);
1174	>	for (TrackedNoOpRunnable task : tasks)
1175	>	assertFalse(task.done);
1176	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1177	>	} finally {
1178	>	joinPool(p);
1179	>	}
1180	>	}
1181	>
1182	>	/**
1183	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1184	>	*/
1185	>	public void testSaturatedExecute4() {
1186	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1187	>	final ThreadPoolExecutor p =
1188	>	new ThreadPoolExecutor(1, 1,
1189	>	LONG_DELAY_MS, MILLISECONDS,
1190	>	new ArrayBlockingQueue<Runnable>(1),
1191	>	h);
1192	>	try {
1193	>	p.execute(new TrackedLongRunnable());
1194	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1195	>	p.execute(r2);
1196	>	assertTrue(p.getQueue().contains(r2));
1197	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1198	>	p.execute(r3);
1199	>	assertFalse(p.getQueue().contains(r2));
1200	>	assertTrue(p.getQueue().contains(r3));
1201	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1202	>	} finally {
1203	>	joinPool(p);
1204	>	}
1205	>	}
1206	>
1207	>	/**
1208	>	* execute throws RejectedExecutionException if shutdown
1209	>	*/
1210	>	public void testRejectedExecutionExceptionOnShutdown() {
1211	>	ThreadPoolExecutor p =
1212	>	new ThreadPoolExecutor(1, 1,
1213	>	LONG_DELAY_MS, MILLISECONDS,
1214	>	new ArrayBlockingQueue<Runnable>(1));
1215	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1216		try {
1217	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1217	>	p.execute(new NoOpRunnable());
1218		shouldThrow();
1219	+	} catch (RejectedExecutionException success) {}
1220	+
1221	+	joinPool(p);
1222	+	}
1223	+
1224	+	/**
1225	+	* execute using CallerRunsPolicy drops task on shutdown
1226	+	*/
1227	+	public void testCallerRunsOnShutdown() {
1228	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1229	+	final ThreadPoolExecutor p =
1230	+	new ThreadPoolExecutor(1, 1,
1231	+	LONG_DELAY_MS, MILLISECONDS,
1232	+	new ArrayBlockingQueue<Runnable>(1), h);
1233	+
1234	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1235	+	try {
1236	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1237	+	p.execute(r);
1238	+	assertFalse(r.done);
1239	+	} finally {
1240	+	joinPool(p);
1241	+	}
1242	+	}
1243	+
1244	+	/**
1245	+	* execute using DiscardPolicy drops task on shutdown
1246	+	*/
1247	+	public void testDiscardOnShutdown() {
1248	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1249	+	ThreadPoolExecutor p =
1250	+	new ThreadPoolExecutor(1, 1,
1251	+	LONG_DELAY_MS, MILLISECONDS,
1252	+	new ArrayBlockingQueue<Runnable>(1),
1253	+	h);
1254	+
1255	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1256	+	try {
1257	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1258	+	p.execute(r);
1259	+	assertFalse(r.done);
1260	+	} finally {
1261	+	joinPool(p);
1262		}
467	–	catch (NullPointerException success){}
1263		}
1264
1265	<	/**
1266	<	* Constructor throws if handler is set to null
1265	>	/**
1266	>	* execute using DiscardOldestPolicy drops task on shutdown
1267		*/
1268	<	public void testNullPointerException5() {
1268	>	public void testDiscardOldestOnShutdown() {
1269	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1270	>	ThreadPoolExecutor p =
1271	>	new ThreadPoolExecutor(1, 1,
1272	>	LONG_DELAY_MS, MILLISECONDS,
1273	>	new ArrayBlockingQueue<Runnable>(1),
1274	>	h);
1275	>
1276	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1277		try {
1278	<	RejectedExecutionHandler r = null;
1279	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1278	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1279	>	p.execute(r);
1280	>	assertFalse(r.done);
1281	>	} finally {
1282	>	joinPool(p);
1283	>	}
1284	>	}
1285	>
1286	>	/**
1287	>	* execute(null) throws NPE
1288	>	*/
1289	>	public void testExecuteNull() {
1290	>	ThreadPoolExecutor p =
1291	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1292	>	new ArrayBlockingQueue<Runnable>(10));
1293	>	try {
1294	>	p.execute(null);
1295	>	shouldThrow();
1296	>	} catch (NullPointerException success) {}
1297	>
1298	>	joinPool(p);
1299	>	}
1300	>
1301	>	/**
1302	>	* setCorePoolSize of negative value throws IllegalArgumentException
1303	>	*/
1304	>	public void testCorePoolSizeIllegalArgumentException() {
1305	>	ThreadPoolExecutor p =
1306	>	new ThreadPoolExecutor(1, 2,
1307	>	LONG_DELAY_MS, MILLISECONDS,
1308	>	new ArrayBlockingQueue<Runnable>(10));
1309	>	try {
1310	>	p.setCorePoolSize(-1);
1311		shouldThrow();
1312	+	} catch (IllegalArgumentException success) {
1313	+	} finally {
1314	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1315		}
1316	<	catch (NullPointerException success){}
1316	>	joinPool(p);
1317		}
1318
1319	<
1320	<	/**
1321	<	* Constructor throws if corePoolSize argument is less than zero
1319	>	/**
1320	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1321	>	* given a value less the core pool size
1322		*/
1323	<	public void testConstructor16() {
1323	>	public void testMaximumPoolSizeIllegalArgumentException() {
1324	>	ThreadPoolExecutor p =
1325	>	new ThreadPoolExecutor(2, 3,
1326	>	LONG_DELAY_MS, MILLISECONDS,
1327	>	new ArrayBlockingQueue<Runnable>(10));
1328		try {
1329	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1329	>	p.setMaximumPoolSize(1);
1330		shouldThrow();
1331	+	} catch (IllegalArgumentException success) {
1332	+	} finally {
1333	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1334		}
1335	<	catch (IllegalArgumentException success){}
1335	>	joinPool(p);
1336		}
1337
1338	<	/**
1339	<	* Constructor throws if maximumPoolSize is less than zero
1338	>	/**
1339	>	* setMaximumPoolSize throws IllegalArgumentException
1340	>	* if given a negative value
1341		*/
1342	<	public void testConstructor17() {
1342	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1343	>	ThreadPoolExecutor p =
1344	>	new ThreadPoolExecutor(2, 3,
1345	>	LONG_DELAY_MS, MILLISECONDS,
1346	>	new ArrayBlockingQueue<Runnable>(10));
1347		try {
1348	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1348	>	p.setMaximumPoolSize(-1);
1349		shouldThrow();
1350	+	} catch (IllegalArgumentException success) {
1351	+	} finally {
1352	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1353		}
1354	<	catch (IllegalArgumentException success){}
1354	>	joinPool(p);
1355		}
1356
1357	<	/**
1358	<	* Constructor throws if maximumPoolSize is equal to zero
1357	>	/**
1358	>	* Configuration changes that allow core pool size greater than
1359	>	* max pool size result in IllegalArgumentException.
1360		*/
1361	<	public void testConstructor18() {
1361	>	public void testPoolSizeInvariants() {
1362	>	ThreadPoolExecutor p =
1363	>	new ThreadPoolExecutor(1, 1,
1364	>	LONG_DELAY_MS, MILLISECONDS,
1365	>	new ArrayBlockingQueue<Runnable>(10));
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	>	joinPool(p);
1383	>	}
1384	>
1385	>	/**
1386	>	* setKeepAliveTime throws IllegalArgumentException
1387	>	* when given a negative value
1388	>	*/
1389	>	public void testKeepAliveTimeIllegalArgumentException() {
1390	>	ThreadPoolExecutor p =
1391	>	new ThreadPoolExecutor(2, 3,
1392	>	LONG_DELAY_MS, MILLISECONDS,
1393	>	new ArrayBlockingQueue<Runnable>(10));
1394		try {
1395	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1395	>	p.setKeepAliveTime(-1,MILLISECONDS);
1396		shouldThrow();
1397	+	} catch (IllegalArgumentException success) {
1398	+	} finally {
1399	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1400		}
1401	<	catch (IllegalArgumentException success){}
1401	>	joinPool(p);
1402		}
1403
1404	<	/**
1405	<	* Constructor throws if keepAliveTime is less than zero
1404	>	/**
1405	>	* terminated() is called on termination
1406		*/
1407	<	public void testConstructor19() {
1407	>	public void testTerminated() {
1408	>	ExtendedTPE p = new ExtendedTPE();
1409	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1410	>	assertTrue(p.terminatedCalled());
1411	>	joinPool(p);
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 {
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	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1430	>	} finally {
1431	>	joinPool(p);
1432	>	}
1433	>	}
1434	>
1435	>	/**
1436	>	* completed submit of callable returns result
1437	>	*/
1438	>	public void testSubmitCallable() throws Exception {
1439	>	ExecutorService e =
1440	>	new ThreadPoolExecutor(2, 2,
1441	>	LONG_DELAY_MS, MILLISECONDS,
1442	>	new ArrayBlockingQueue<Runnable>(10));
1443	>	try {
1444	>	Future<String> future = e.submit(new StringTask());
1445	>	String result = future.get();
1446	>	assertSame(TEST_STRING, result);
1447	>	} finally {
1448	>	joinPool(e);
1449	>	}
1450	>	}
1451	>
1452	>	/**
1453	>	* completed submit of runnable returns successfully
1454	>	*/
1455	>	public void testSubmitRunnable() throws Exception {
1456	>	ExecutorService e =
1457	>	new ThreadPoolExecutor(2, 2,
1458	>	LONG_DELAY_MS, MILLISECONDS,
1459	>	new ArrayBlockingQueue<Runnable>(10));
1460		try {
1461	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1461	>	Future<?> future = e.submit(new NoOpRunnable());
1462	>	future.get();
1463	>	assertTrue(future.isDone());
1464	>	} finally {
1465	>	joinPool(e);
1466	>	}
1467	>	}
1468	>
1469	>	/**
1470	>	* completed submit of (runnable, result) returns result
1471	>	*/
1472	>	public void testSubmitRunnable2() throws Exception {
1473	>	ExecutorService e =
1474	>	new ThreadPoolExecutor(2, 2,
1475	>	LONG_DELAY_MS, MILLISECONDS,
1476	>	new ArrayBlockingQueue<Runnable>(10));
1477	>	try {
1478	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1479	>	String result = future.get();
1480	>	assertSame(TEST_STRING, result);
1481	>	} finally {
1482	>	joinPool(e);
1483	>	}
1484	>	}
1485	>
1486	>	/**
1487	>	* invokeAny(null) throws NPE
1488	>	*/
1489	>	public void testInvokeAny1() throws Exception {
1490	>	ExecutorService e =
1491	>	new ThreadPoolExecutor(2, 2,
1492	>	LONG_DELAY_MS, MILLISECONDS,
1493	>	new ArrayBlockingQueue<Runnable>(10));
1494	>	try {
1495	>	e.invokeAny(null);
1496		shouldThrow();
1497	+	} catch (NullPointerException success) {
1498	+	} finally {
1499	+	joinPool(e);
1500		}
524	–	catch (IllegalArgumentException success){}
1501		}
1502
1503	<	/**
1504	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1503	>	/**
1504	>	* invokeAny(empty collection) throws IAE
1505		*/
1506	<	public void testConstructor20() {
1506	>	public void testInvokeAny2() throws Exception {
1507	>	ExecutorService e =
1508	>	new ThreadPoolExecutor(2, 2,
1509	>	LONG_DELAY_MS, MILLISECONDS,
1510	>	new ArrayBlockingQueue<Runnable>(10));
1511		try {
1512	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1512	>	e.invokeAny(new ArrayList<Callable<String>>());
1513		shouldThrow();
1514	+	} catch (IllegalArgumentException success) {
1515	+	} finally {
1516	+	joinPool(e);
1517		}
535	–	catch (IllegalArgumentException success){}
1518		}
1519
1520	<	/**
1521	<	* Constructor throws if workQueue is set to null
1520	>	/**
1521	>	* invokeAny(c) throws NPE if c has null elements
1522		*/
1523	<	public void testNullPointerException6() {
1523	>	public void testInvokeAny3() throws Exception {
1524	>	final CountDownLatch latch = new CountDownLatch(1);
1525	>	final ExecutorService e =
1526	>	new ThreadPoolExecutor(2, 2,
1527	>	LONG_DELAY_MS, MILLISECONDS,
1528	>	new ArrayBlockingQueue<Runnable>(10));
1529	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1530	>	l.add(latchAwaitingStringTask(latch));
1531	>	l.add(null);
1532		try {
1533	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1533	>	e.invokeAny(l);
1534		shouldThrow();
1535	+	} catch (NullPointerException success) {
1536	+	} finally {
1537	+	latch.countDown();
1538	+	joinPool(e);
1539		}
546	–	catch (NullPointerException success){}
1540		}
1541
1542	<	/**
1543	<	* Constructor throws if handler is set to null
1542	>	/**
1543	>	* invokeAny(c) throws ExecutionException if no task completes
1544		*/
1545	<	public void testNullPointerException7() {
1545	>	public void testInvokeAny4() throws Exception {
1546	>	ExecutorService e =
1547	>	new ThreadPoolExecutor(2, 2,
1548	>	LONG_DELAY_MS, MILLISECONDS,
1549	>	new ArrayBlockingQueue<Runnable>(10));
1550	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1551	>	l.add(new NPETask());
1552		try {
1553	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1553	>	e.invokeAny(l);
1554		shouldThrow();
1555	+	} catch (ExecutionException success) {
1556	+	assertTrue(success.getCause() instanceof NullPointerException);
1557	+	} finally {
1558	+	joinPool(e);
1559		}
558	–	catch (NullPointerException success){}
1560		}
1561
1562	<	/**
1563	<	* Constructor throws if ThreadFactory is set top null
1562	>	/**
1563	>	* invokeAny(c) returns result of some task
1564		*/
1565	<	public void testNullPointerException8() {
1565	>	public void testInvokeAny5() throws Exception {
1566	>	ExecutorService e =
1567	>	new ThreadPoolExecutor(2, 2,
1568	>	LONG_DELAY_MS, MILLISECONDS,
1569	>	new ArrayBlockingQueue<Runnable>(10));
1570		try {
1571	<	ThreadFactory f = null;
1572	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1572	>	l.add(new StringTask());
1573	>	l.add(new StringTask());
1574	>	String result = e.invokeAny(l);
1575	>	assertSame(TEST_STRING, result);
1576	>	} finally {
1577	>	joinPool(e);
1578	>	}
1579	>	}
1580	>
1581	>	/**
1582	>	* invokeAll(null) throws NPE
1583	>	*/
1584	>	public void testInvokeAll1() throws Exception {
1585	>	ExecutorService e =
1586	>	new ThreadPoolExecutor(2, 2,
1587	>	LONG_DELAY_MS, MILLISECONDS,
1588	>	new ArrayBlockingQueue<Runnable>(10));
1589	>	try {
1590	>	e.invokeAll(null);
1591		shouldThrow();
1592	+	} catch (NullPointerException success) {
1593	+	} finally {
1594	+	joinPool(e);
1595		}
570	–	catch (NullPointerException successdn8){}
1596		}
572	–
1597
1598		/**
1599	<	*  execute throws RejectedExecutionException if shutdown
1599	>	* invokeAll(empty collection) returns empty collection
1600		*/
1601	<	public void testRejectedExecutionException() {
1602	<	ThreadPoolExecutor tpe = null;
1601	>	public void testInvokeAll2() throws InterruptedException {
1602	>	ExecutorService e =
1603	>	new ThreadPoolExecutor(2, 2,
1604	>	LONG_DELAY_MS, MILLISECONDS,
1605	>	new ArrayBlockingQueue<Runnable>(10));
1606		try {
1607	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1608	<	} catch(Exception e){}
1609	<	tpe.shutdown();
1610	<	try {
1611	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1607	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1608	>	assertTrue(r.isEmpty());
1609	>	} finally {
1610	>	joinPool(e);
1611	>	}
1612		}
1613
1614		/**
1615	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1615	>	* invokeAll(c) throws NPE if c has null elements
1616		*/
1617	<	public void testSaturatedExecute() {
1618	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1617	>	public void testInvokeAll3() throws Exception {
1618	>	ExecutorService e =
1619	>	new ThreadPoolExecutor(2, 2,
1620	>	LONG_DELAY_MS, MILLISECONDS,
1621	>	new ArrayBlockingQueue<Runnable>(10));
1622	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1623	>	l.add(new StringTask());
1624	>	l.add(null);
1625	>	try {
1626	>	e.invokeAll(l);
1627	>	shouldThrow();
1628	>	} catch (NullPointerException success) {
1629	>	} finally {
1630	>	joinPool(e);
1631	>	}
1632	>	}
1633	>
1634	>	/**
1635	>	* get of element of invokeAll(c) throws exception on failed task
1636	>	*/
1637	>	public void testInvokeAll4() throws Exception {
1638	>	ExecutorService e =
1639	>	new ThreadPoolExecutor(2, 2,
1640	>	LONG_DELAY_MS, MILLISECONDS,
1641	>	new ArrayBlockingQueue<Runnable>(10));
1642		try {
1643	<
1644	<	for(int i = 0; i < 5; ++i){
1645	<	p.execute(new MediumRunnable());
1643	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1644	>	l.add(new NPETask());
1645	>	List<Future<String>> futures = e.invokeAll(l);
1646	>	assertEquals(1, futures.size());
1647	>	try {
1648	>	futures.get(0).get();
1649	>	shouldThrow();
1650	>	} catch (ExecutionException success) {
1651	>	assertTrue(success.getCause() instanceof NullPointerException);
1652		}
1653	+	} finally {
1654	+	joinPool(e);
1655	+	}
1656	+	}
1657	+
1658	+	/**
1659	+	* invokeAll(c) returns results of all completed tasks
1660	+	*/
1661	+	public void testInvokeAll5() throws Exception {
1662	+	ExecutorService e =
1663	+	new ThreadPoolExecutor(2, 2,
1664	+	LONG_DELAY_MS, MILLISECONDS,
1665	+	new ArrayBlockingQueue<Runnable>(10));
1666	+	try {
1667	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1668	+	l.add(new StringTask());
1669	+	l.add(new StringTask());
1670	+	List<Future<String>> futures = e.invokeAll(l);
1671	+	assertEquals(2, futures.size());
1672	+	for (Future<String> future : futures)
1673	+	assertSame(TEST_STRING, future.get());
1674	+	} finally {
1675	+	joinPool(e);
1676	+	}
1677	+	}
1678	+
1679	+	/**
1680	+	* timed invokeAny(null) throws NPE
1681	+	*/
1682	+	public void testTimedInvokeAny1() throws Exception {
1683	+	ExecutorService e =
1684	+	new ThreadPoolExecutor(2, 2,
1685	+	LONG_DELAY_MS, MILLISECONDS,
1686	+	new ArrayBlockingQueue<Runnable>(10));
1687	+	try {
1688	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1689		shouldThrow();
1690	<	} catch(RejectedExecutionException success){}
1691	<	joinPool(p);
1690	>	} catch (NullPointerException success) {
1691	>	} finally {
1692	>	joinPool(e);
1693	>	}
1694		}
1695
1696		/**
1697	<	*  execute (null) throws NPE
1697	>	* timed invokeAny(,,null) throws NPE
1698		*/
1699	<	public void testExecuteNull() {
1700	<	ThreadPoolExecutor tpe = null;
1699	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1700	>	ExecutorService e =
1701	>	new ThreadPoolExecutor(2, 2,
1702	>	LONG_DELAY_MS, MILLISECONDS,
1703	>	new ArrayBlockingQueue<Runnable>(10));
1704	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1705	>	l.add(new StringTask());
1706		try {
1707	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1707	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1708		shouldThrow();
1709	<	} catch(NullPointerException success){}
1710	<
1711	<	joinPool(tpe);
1709	>	} catch (NullPointerException success) {
1710	>	} finally {
1711	>	joinPool(e);
1712	>	}
1713		}
1714	<
1714	>
1715		/**
1716	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1716	>	* timed invokeAny(empty collection) throws IAE
1717		*/
1718	<	public void testCorePoolSizeIllegalArgumentException() {
1719	<	ThreadPoolExecutor tpe = null;
1720	<	try {
1721	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1722	<	} catch(Exception e){}
629	<	try {
630	<	tpe.setCorePoolSize(-1);
631	<	shouldThrow();
632	<	} catch(IllegalArgumentException success){
633	<	} finally {
634	<	tpe.shutdown();
635	<	}
636	<	joinPool(tpe);
637	<	}
638	<
639	<	/**
640	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
641	<	*  given a value less the core pool size
642	<	*/
643	<	public void testMaximumPoolSizeIllegalArgumentException() {
644	<	ThreadPoolExecutor tpe = null;
1718	>	public void testTimedInvokeAny2() throws Exception {
1719	>	ExecutorService e =
1720	>	new ThreadPoolExecutor(2, 2,
1721	>	LONG_DELAY_MS, MILLISECONDS,
1722	>	new ArrayBlockingQueue<Runnable>(10));
1723		try {
1724	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1725	<	} catch(Exception e){}
1724	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1725	>	shouldThrow();
1726	>	} catch (IllegalArgumentException success) {
1727	>	} finally {
1728	>	joinPool(e);
1729	>	}
1730	>	}
1731	>
1732	>	/**
1733	>	* timed invokeAny(c) throws NPE if c has null elements
1734	>	*/
1735	>	public void testTimedInvokeAny3() throws Exception {
1736	>	final CountDownLatch latch = new CountDownLatch(1);
1737	>	final ExecutorService e =
1738	>	new ThreadPoolExecutor(2, 2,
1739	>	LONG_DELAY_MS, MILLISECONDS,
1740	>	new ArrayBlockingQueue<Runnable>(10));
1741	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1742	>	l.add(latchAwaitingStringTask(latch));
1743	>	l.add(null);
1744		try {
1745	<	tpe.setMaximumPoolSize(1);
1745	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1746		shouldThrow();
1747	<	} catch(IllegalArgumentException success){
1747	>	} catch (NullPointerException success) {
1748		} finally {
1749	<	tpe.shutdown();
1749	>	latch.countDown();
1750	>	joinPool(e);
1751		}
655	–	joinPool(tpe);
1752		}
1753	<
1753	>
1754		/**
1755	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1755	>	* timed invokeAny(c) throws ExecutionException if no task completes
1756		*/
1757	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1758	<	ThreadPoolExecutor tpe = null;
1757	>	public void testTimedInvokeAny4() throws Exception {
1758	>	ExecutorService e =
1759	>	new ThreadPoolExecutor(2, 2,
1760	>	LONG_DELAY_MS, MILLISECONDS,
1761	>	new ArrayBlockingQueue<Runnable>(10));
1762	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1763	>	l.add(new NPETask());
1764		try {
1765	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1766	<	} catch(Exception e){}
1765	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1766	>	shouldThrow();
1767	>	} catch (ExecutionException success) {
1768	>	assertTrue(success.getCause() instanceof NullPointerException);
1769	>	} finally {
1770	>	joinPool(e);
1771	>	}
1772	>	}
1773	>
1774	>	/**
1775	>	* timed invokeAny(c) returns result of some task
1776	>	*/
1777	>	public void testTimedInvokeAny5() throws Exception {
1778	>	ExecutorService e =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782		try {
1783	<	tpe.setMaximumPoolSize(-1);
1783	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1784	>	l.add(new StringTask());
1785	>	l.add(new StringTask());
1786	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1787	>	assertSame(TEST_STRING, result);
1788	>	} finally {
1789	>	joinPool(e);
1790	>	}
1791	>	}
1792	>
1793	>	/**
1794	>	* timed invokeAll(null) throws NPE
1795	>	*/
1796	>	public void testTimedInvokeAll1() throws Exception {
1797	>	ExecutorService e =
1798	>	new ThreadPoolExecutor(2, 2,
1799	>	LONG_DELAY_MS, MILLISECONDS,
1800	>	new ArrayBlockingQueue<Runnable>(10));
1801	>	try {
1802	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1803		shouldThrow();
1804	<	} catch(IllegalArgumentException success){
1804	>	} catch (NullPointerException success) {
1805		} finally {
1806	<	tpe.shutdown();
1806	>	joinPool(e);
1807		}
674	–	joinPool(tpe);
1808		}
676	–
1809
1810		/**
1811	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1811	>	* timed invokeAll(,,null) throws NPE
1812		*/
1813	<	public void testKeepAliveTimeIllegalArgumentException() {
1814	<	ThreadPoolExecutor tpe = null;
1813	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1814	>	ExecutorService e =
1815	>	new ThreadPoolExecutor(2, 2,
1816	>	LONG_DELAY_MS, MILLISECONDS,
1817	>	new ArrayBlockingQueue<Runnable>(10));
1818	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1819	>	l.add(new StringTask());
1820	>	try {
1821	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1822	>	shouldThrow();
1823	>	} catch (NullPointerException success) {
1824	>	} finally {
1825	>	joinPool(e);
1826	>	}
1827	>	}
1828	>
1829	>	/**
1830	>	* timed invokeAll(empty collection) returns empty collection
1831	>	*/
1832	>	public void testTimedInvokeAll2() throws InterruptedException {
1833	>	ExecutorService e =
1834	>	new ThreadPoolExecutor(2, 2,
1835	>	LONG_DELAY_MS, MILLISECONDS,
1836	>	new ArrayBlockingQueue<Runnable>(10));
1837	>	try {
1838	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1839	>	assertTrue(r.isEmpty());
1840	>	} finally {
1841	>	joinPool(e);
1842	>	}
1843	>	}
1844	>
1845	>	/**
1846	>	* timed invokeAll(c) throws NPE if c has null elements
1847	>	*/
1848	>	public void testTimedInvokeAll3() throws Exception {
1849	>	ExecutorService e =
1850	>	new ThreadPoolExecutor(2, 2,
1851	>	LONG_DELAY_MS, MILLISECONDS,
1852	>	new ArrayBlockingQueue<Runnable>(10));
1853	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1854	>	l.add(new StringTask());
1855	>	l.add(null);
1856	>	try {
1857	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1858	>	shouldThrow();
1859	>	} catch (NullPointerException success) {
1860	>	} finally {
1861	>	joinPool(e);
1862	>	}
1863	>	}
1864	>
1865	>	/**
1866	>	* get of element of invokeAll(c) throws exception on failed task
1867	>	*/
1868	>	public void testTimedInvokeAll4() throws Exception {
1869	>	ExecutorService e =
1870	>	new ThreadPoolExecutor(2, 2,
1871	>	LONG_DELAY_MS, MILLISECONDS,
1872	>	new ArrayBlockingQueue<Runnable>(10));
1873	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1874	>	l.add(new NPETask());
1875	>	List<Future<String>> futures =
1876	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1877	>	assertEquals(1, futures.size());
1878		try {
1879	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
686	<	} catch(Exception e){}
687	<
688	<	try {
689	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1879	>	futures.get(0).get();
1880		shouldThrow();
1881	<	} catch(IllegalArgumentException success){
1881	>	} catch (ExecutionException success) {
1882	>	assertTrue(success.getCause() instanceof NullPointerException);
1883		} finally {
1884	<	tpe.shutdown();
1884	>	joinPool(e);
1885		}
695	–	joinPool(tpe);
1886		}
1887	<
1887	>
1888	>	/**
1889	>	* timed invokeAll(c) returns results of all completed tasks
1890	>	*/
1891	>	public void testTimedInvokeAll5() throws Exception {
1892	>	ExecutorService e =
1893	>	new ThreadPoolExecutor(2, 2,
1894	>	LONG_DELAY_MS, MILLISECONDS,
1895	>	new ArrayBlockingQueue<Runnable>(10));
1896	>	try {
1897	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1898	>	l.add(new StringTask());
1899	>	l.add(new StringTask());
1900	>	List<Future<String>> futures =
1901	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1902	>	assertEquals(2, futures.size());
1903	>	for (Future<String> future : futures)
1904	>	assertSame(TEST_STRING, future.get());
1905	>	} finally {
1906	>	joinPool(e);
1907	>	}
1908	>	}
1909	>
1910	>	/**
1911	>	* timed invokeAll(c) cancels tasks not completed by timeout
1912	>	*/
1913	>	public void testTimedInvokeAll6() throws Exception {
1914	>	ExecutorService e =
1915	>	new ThreadPoolExecutor(2, 2,
1916	>	LONG_DELAY_MS, MILLISECONDS,
1917	>	new ArrayBlockingQueue<Runnable>(10));
1918	>	try {
1919	>	for (long timeout = timeoutMillis();;) {
1920	>	List<Callable<String>> tasks = new ArrayList<>();
1921	>	tasks.add(new StringTask("0"));
1922	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1923	>	tasks.add(new StringTask("2"));
1924	>	long startTime = System.nanoTime();
1925	>	List<Future<String>> futures =
1926	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1927	>	assertEquals(tasks.size(), futures.size());
1928	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1929	>	for (Future future : futures)
1930	>	assertTrue(future.isDone());
1931	>	assertTrue(futures.get(1).isCancelled());
1932	>	try {
1933	>	assertEquals("0", futures.get(0).get());
1934	>	assertEquals("2", futures.get(2).get());
1935	>	break;
1936	>	} catch (CancellationException retryWithLongerTimeout) {
1937	>	timeout *= 2;
1938	>	if (timeout >= LONG_DELAY_MS / 2)
1939	>	fail("expected exactly one task to be cancelled");
1940	>	}
1941	>	}
1942	>	} finally {
1943	>	joinPool(e);
1944	>	}
1945	>	}
1946	>
1947	>	/**
1948	>	* Execution continues if there is at least one thread even if
1949	>	* thread factory fails to create more
1950	>	*/
1951	>	public void testFailingThreadFactory() throws InterruptedException {
1952	>	final ExecutorService e =
1953	>	new ThreadPoolExecutor(100, 100,
1954	>	LONG_DELAY_MS, MILLISECONDS,
1955	>	new LinkedBlockingQueue<Runnable>(),
1956	>	new FailingThreadFactory());
1957	>	try {
1958	>	final int TASKS = 100;
1959	>	final CountDownLatch done = new CountDownLatch(TASKS);
1960	>	for (int k = 0; k < TASKS; ++k)
1961	>	e.execute(new CheckedRunnable() {
1962	>	public void realRun() {
1963	>	done.countDown();
1964	>	}});
1965	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1966	>	} finally {
1967	>	joinPool(e);
1968	>	}
1969	>	}
1970	>
1971	>	/**
1972	>	* allowsCoreThreadTimeOut is by default false.
1973	>	*/
1974	>	public void testAllowsCoreThreadTimeOut() {
1975	>	final ThreadPoolExecutor p =
1976	>	new ThreadPoolExecutor(2, 2,
1977	>	1000, MILLISECONDS,
1978	>	new ArrayBlockingQueue<Runnable>(10));
1979	>	assertFalse(p.allowsCoreThreadTimeOut());
1980	>	joinPool(p);
1981	>	}
1982	>
1983	>	/**
1984	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1985	>	*/
1986	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1987	>	long keepAliveTime = timeoutMillis();
1988	>	final ThreadPoolExecutor p =
1989	>	new ThreadPoolExecutor(2, 10,
1990	>	keepAliveTime, MILLISECONDS,
1991	>	new ArrayBlockingQueue<Runnable>(10));
1992	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1993	>	try {
1994	>	p.allowCoreThreadTimeOut(true);
1995	>	p.execute(new CheckedRunnable() {
1996	>	public void realRun() {
1997	>	threadStarted.countDown();
1998	>	assertEquals(1, p.getPoolSize());
1999	>	}});
2000	>	await(threadStarted);
2001	>	delay(keepAliveTime);
2002	>	long startTime = System.nanoTime();
2003	>	while (p.getPoolSize() > 0
2004	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2005	>	Thread.yield();
2006	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2007	>	assertEquals(0, p.getPoolSize());
2008	>	} finally {
2009	>	joinPool(p);
2010	>	}
2011	>	}
2012	>
2013	>	/**
2014	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2015	>	*/
2016	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2017	>	long keepAliveTime = timeoutMillis();
2018	>	final ThreadPoolExecutor p =
2019	>	new ThreadPoolExecutor(2, 10,
2020	>	keepAliveTime, MILLISECONDS,
2021	>	new ArrayBlockingQueue<Runnable>(10));
2022	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2023	>	try {
2024	>	p.allowCoreThreadTimeOut(false);
2025	>	p.execute(new CheckedRunnable() {
2026	>	public void realRun() throws InterruptedException {
2027	>	threadStarted.countDown();
2028	>	assertTrue(p.getPoolSize() >= 1);
2029	>	}});
2030	>	delay(2 * keepAliveTime);
2031	>	assertTrue(p.getPoolSize() >= 1);
2032	>	} finally {
2033	>	joinPool(p);
2034	>	}
2035	>	}
2036	>
2037	>	/**
2038	>	* execute allows the same task to be submitted multiple times, even
2039	>	* if rejected
2040	>	*/
2041	>	public void testRejectedRecycledTask() throws InterruptedException {
2042	>	final int nTasks = 1000;
2043	>	final CountDownLatch done = new CountDownLatch(nTasks);
2044	>	final Runnable recycledTask = new Runnable() {
2045	>	public void run() {
2046	>	done.countDown();
2047	>	}};
2048	>	final ThreadPoolExecutor p =
2049	>	new ThreadPoolExecutor(1, 30,
2050	>	60, SECONDS,
2051	>	new ArrayBlockingQueue(30));
2052	>	try {
2053	>	for (int i = 0; i < nTasks; ++i) {
2054	>	for (;;) {
2055	>	try {
2056	>	p.execute(recycledTask);
2057	>	break;
2058	>	}
2059	>	catch (RejectedExecutionException ignore) {}
2060	>	}
2061	>	}
2062	>	// enough time to run all tasks
2063	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2064	>	} finally {
2065	>	joinPool(p);
2066	>	}
2067	>	}
2068	>
2069	>	/**
2070	>	* get(cancelled task) throws CancellationException
2071	>	*/
2072	>	public void testGet_cancelled() throws Exception {
2073	>	final ExecutorService e =
2074	>	new ThreadPoolExecutor(1, 1,
2075	>	LONG_DELAY_MS, MILLISECONDS,
2076	>	new LinkedBlockingQueue<Runnable>());
2077	>	try {
2078	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2079	>	final CountDownLatch done = new CountDownLatch(1);
2080	>	final List<Future<?>> futures = new ArrayList<>();
2081	>	for (int i = 0; i < 2; i++) {
2082	>	Runnable r = new CheckedRunnable() { public void realRun()
2083	>	throws Throwable {
2084	>	blockerStarted.countDown();
2085	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2086	>	}};
2087	>	futures.add(e.submit(r));
2088	>	}
2089	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2090	>	for (Future<?> future : futures) future.cancel(false);
2091	>	for (Future<?> future : futures) {
2092	>	try {
2093	>	future.get();
2094	>	shouldThrow();
2095	>	} catch (CancellationException success) {}
2096	>	try {
2097	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2098	>	shouldThrow();
2099	>	} catch (CancellationException success) {}
2100	>	assertTrue(future.isCancelled());
2101	>	assertTrue(future.isDone());
2102	>	}
2103	>	done.countDown();
2104	>	} finally {
2105	>	joinPool(e);
2106	>	}
2107	>	}
2108	>
2109		}

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