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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 1.80 by jsr166, Sun Oct 4 02:21:43 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	<
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	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
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
206		/**
207	<	* For use as RejectedExecutionHandler in constructors
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209	<	static class MyREHandler implements RejectedExecutionHandler{
210	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
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	<
218	>
219		/**
220	<	*   execute successfully executes a runnable
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testExecute() {
223	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	try {
225	<	p1.execute(new Runnable() {
226	<	public void run() {
227	<	try {
228	<	Thread.sleep(SHORT_DELAY_MS);
229	<	} catch(InterruptedException e){
47	<	threadUnexpectedException();
48	<	}
49	<	}
50	<	});
51	<	Thread.sleep(SMALL_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
54	<	}
55	<	joinPool(p1);
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	>	}
230		}
231
232		/**
233	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
233	>	* getThreadFactory returns factory in constructor if not set
234		*/
235	<	public void testGetActiveCount() {
236	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237	<	assertEquals(0, p2.getActiveCount());
238	<	p2.execute(new MediumRunnable());
239	<	try {
240	<	Thread.sleep(SHORT_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		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
246		}
247	<
247	>
248		/**
249	<	*   getCompletedTaskCount increases, but doesn't overestimate,
77	<	*   when tasks complete
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251	<	public void testGetCompletedTaskCount() {
252	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	assertEquals(0, p2.getCompletedTaskCount());
254	<	p2.execute(new ShortRunnable());
255	<	try {
256	<	Thread.sleep(MEDIUM_DELAY_MS);
257	<	} catch(Exception e){
258	<	unexpectedException();
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		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
261		}
262	<
262	>
263		/**
264	<	*   getCorePoolSize returns size given in constructor if not otherwise set
264	>	* setThreadFactory(null) throws NPE
265		*/
266	<	public void testGetCorePoolSize() {
267	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	assertEquals(1, p1.getCorePoolSize());
269	<	joinPool(p1);
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	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282	<	public void testGetKeepAliveTime() {
283	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
284	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
285	<	joinPool(p2);
286	<	}
287	<
288	<	/**
289	<	*   getLargestPoolSize increases, but doesn't overestimate, when
290	<	*   multiple threads active
291	<	*/
115	<	public void testGetLargestPoolSize() {
116	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	try {
118	<	assertEquals(0, p2.getLargestPoolSize());
119	<	p2.execute(new MediumRunnable());
120	<	p2.execute(new MediumRunnable());
121	<	Thread.sleep(SHORT_DELAY_MS);
122	<	assertEquals(2, p2.getLargestPoolSize());
123	<	} catch(Exception e){
124	<	unexpectedException();
125	<	}
126	<	joinPool(p2);
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	<	*   getMaximumPoolSize returns value given in constructor if not
296	<	*   otherwise set
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297		*/
298	<	public void testGetMaximumPoolSize() {
299	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	assertEquals(2, p2.getMaximumPoolSize());
301	<	joinPool(p2);
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	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
311	>	* setRejectedExecutionHandler(null) throws NPE
312		*/
313	<	public void testGetPoolSize() {
314	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315	<	assertEquals(0, p1.getPoolSize());
316	<	p1.execute(new MediumRunnable());
317	<	assertEquals(1, p1.getPoolSize());
318	<	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	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329		*/
330	<	public void testGetTaskCount() {
331	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332	<	try {
333	<	assertEquals(0, p1.getTaskCount());
334	<	p1.execute(new MediumRunnable());
335	<	Thread.sleep(SHORT_DELAY_MS);
336	<	assertEquals(1, p1.getTaskCount());
337	<	} catch(Exception e){
338	<	unexpectedException();
339	<	}
340	<	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	>
354	>	/**
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357	>	*/
358	>	public void testGetMaximumPoolSize() {
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	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	<
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	>	final CountDownLatch threadStarted = new CountDownLatch(1);
406	>	final CountDownLatch done = new CountDownLatch(1);
407	>	try {
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	>	} finally {
418	>	done.countDown();
419	>	joinPool(p);
420	>	}
421	>	}
422	>
423		/**
424	<	*   isShutDown is false before shutdown, true after
424	>	* isShutdown is false before shutdown, true after
425		*/
426		public void testIsShutdown() {
427	<
428	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
429	<	assertFalse(p1.isShutdown());
430	<	p1.shutdown();
431	<	assertTrue(p1.isShutdown());
432	<	joinPool(p1);
427	>	final ThreadPoolExecutor p =
428	>	new ThreadPoolExecutor(1, 1,
429	>	LONG_DELAY_MS, MILLISECONDS,
430	>	new ArrayBlockingQueue<Runnable>(10));
431	>	assertFalse(p.isShutdown());
432	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
433	>	assertTrue(p.isShutdown());
434	>	joinPool(p);
435		}
436
179	–
437		/**
438	<	*  isTerminated is false before termination, true after
438	>	* awaitTermination on a non-shutdown pool times out
439		*/
440	<	public void testIsTerminated() {
441	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
442	<	assertFalse(p1.isTerminated());
443	<	try {
444	<	p1.execute(new MediumRunnable());
440	>	public void testAwaitTermination_timesOut() throws InterruptedException {
441	>	final ThreadPoolExecutor p =
442	>	new ThreadPoolExecutor(1, 1,
443	>	LONG_DELAY_MS, MILLISECONDS,
444	>	new ArrayBlockingQueue<Runnable>(10));
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	>	p.shutdown();
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465	>	}
466	>
467	>	/**
468	>	* isTerminated is false before termination, true after
469	>	*/
470	>	public void testIsTerminated() throws InterruptedException {
471	>	final ThreadPoolExecutor p =
472	>	new ThreadPoolExecutor(1, 1,
473	>	LONG_DELAY_MS, MILLISECONDS,
474	>	new ArrayBlockingQueue<Runnable>(10));
475	>	final CountDownLatch threadStarted = new CountDownLatch(1);
476	>	final CountDownLatch done = new CountDownLatch(1);
477	>	assertFalse(p.isTerminated());
478	>	try {
479	>	p.execute(new CheckedRunnable() {
480	>	public void realRun() throws InterruptedException {
481	>	assertFalse(p.isTerminated());
482	>	threadStarted.countDown();
483	>	done.await();
484	>	}});
485	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
486	>	assertFalse(p.isTerminating());
487	>	done.countDown();
488		} finally {
489	<	p1.shutdown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490		}
491	<	try {
492	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	<	assertTrue(p1.isTerminated());
194	<	} catch(Exception e){
195	<	unexpectedException();
196	<	}
491	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
492	>	assertTrue(p.isTerminated());
493		}
494
495		/**
496	<	*  isTerminating is not true when running or when terminated
496	>	* isTerminating is not true when running or when terminated
497		*/
498	<	public void testIsTerminating() {
499	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
500	<	assertFalse(p1.isTerminating());
501	<	try {
502	<	p1.execute(new SmallRunnable());
503	<	assertFalse(p1.isTerminating());
498	>	public void testIsTerminating() throws InterruptedException {
499	>	final ThreadPoolExecutor p =
500	>	new ThreadPoolExecutor(1, 1,
501	>	LONG_DELAY_MS, MILLISECONDS,
502	>	new ArrayBlockingQueue<Runnable>(10));
503	>	final CountDownLatch threadStarted = new CountDownLatch(1);
504	>	final CountDownLatch done = new CountDownLatch(1);
505	>	try {
506	>	assertFalse(p.isTerminating());
507	>	p.execute(new CheckedRunnable() {
508	>	public void realRun() throws InterruptedException {
509	>	assertFalse(p.isTerminating());
510	>	threadStarted.countDown();
511	>	done.await();
512	>	}});
513	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
514	>	assertFalse(p.isTerminating());
515	>	done.countDown();
516		} finally {
517	<	p1.shutdown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518		}
519	<	try {
520	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
521	<	assertTrue(p1.isTerminated());
214	<	assertFalse(p1.isTerminating());
215	<	} catch(Exception e){
216	<	unexpectedException();
217	<	}
519	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	>	assertTrue(p.isTerminated());
521	>	assertFalse(p.isTerminating());
522		}
523
524		/**
525	<	*   purge removes cancelled tasks from the queue
526	<	*/
527	<	public void testPurge() {
528	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
529	<	CancellableTask[] tasks = new CancellableTask[5];
530	<	for(int i = 0; i < 5; i++){
531	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
532	<	p1.execute(tasks[i]);
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	>	final CountDownLatch threadStarted = new CountDownLatch(1);
534	>	final CountDownLatch done = new CountDownLatch(1);
535	>	try {
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	>	} finally {
554	>	done.countDown();
555	>	joinPool(p);
556		}
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);
557		}
558
559		/**
560	<	*  shutDownNow returns a list containing tasks that were not run
560	>	* remove(task) removes queued task, and fails to remove active task
561		*/
562	<	public void testShutDownNow() {
563	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
564	<	List l;
565	<	try {
566	<	for(int i = 0; i < 5; i++)
567	<	p1.execute(new MediumPossiblyInterruptedRunnable());
562	>	public void testRemove() throws InterruptedException {
563	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
564	>	final ThreadPoolExecutor p =
565	>	new ThreadPoolExecutor(1, 1,
566	>	LONG_DELAY_MS, MILLISECONDS,
567	>	q);
568	>	Runnable[] tasks = new Runnable[5];
569	>	final CountDownLatch threadStarted = new CountDownLatch(1);
570	>	final CountDownLatch done = new CountDownLatch(1);
571	>	try {
572	>	for (int i = 0; i < tasks.length; i++) {
573	>	tasks[i] = new CheckedRunnable() {
574	>	public void realRun() throws InterruptedException {
575	>	threadStarted.countDown();
576	>	done.await();
577	>	}};
578	>	p.execute(tasks[i]);
579	>	}
580	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
581	>	assertFalse(p.remove(tasks[0]));
582	>	assertTrue(q.contains(tasks[4]));
583	>	assertTrue(q.contains(tasks[3]));
584	>	assertTrue(p.remove(tasks[4]));
585	>	assertFalse(p.remove(tasks[4]));
586	>	assertFalse(q.contains(tasks[4]));
587	>	assertTrue(q.contains(tasks[3]));
588	>	assertTrue(p.remove(tasks[3]));
589	>	assertFalse(q.contains(tasks[3]));
590	>	} finally {
591	>	done.countDown();
592	>	joinPool(p);
593		}
594	<	finally {
595	<	l = p1.shutdownNow();
594	>	}
595	>
596	>	/**
597	>	* purge removes cancelled tasks from the queue
598	>	*/
599	>	public void testPurge() throws InterruptedException {
600	>	final CountDownLatch threadStarted = new CountDownLatch(1);
601	>	final CountDownLatch done = new CountDownLatch(1);
602	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
603	>	final ThreadPoolExecutor p =
604	>	new ThreadPoolExecutor(1, 1,
605	>	LONG_DELAY_MS, MILLISECONDS,
606	>	q);
607	>	FutureTask[] tasks = new FutureTask[5];
608	>	try {
609	>	for (int i = 0; i < tasks.length; i++) {
610	>	Callable task = new CheckedCallable<Boolean>() {
611	>	public Boolean realCall() throws InterruptedException {
612	>	threadStarted.countDown();
613	>	done.await();
614	>	return Boolean.TRUE;
615	>	}};
616	>	tasks[i] = new FutureTask(task);
617	>	p.execute(tasks[i]);
618	>	}
619	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
620	>	assertEquals(tasks.length, p.getTaskCount());
621	>	assertEquals(tasks.length - 1, q.size());
622	>	assertEquals(1L, p.getActiveCount());
623	>	assertEquals(0L, p.getCompletedTaskCount());
624	>	tasks[4].cancel(true);
625	>	tasks[3].cancel(false);
626	>	p.purge();
627	>	assertEquals(tasks.length - 3, q.size());
628	>	assertEquals(tasks.length - 2, p.getTaskCount());
629	>	p.purge();         // Nothing to do
630	>	assertEquals(tasks.length - 3, q.size());
631	>	assertEquals(tasks.length - 2, p.getTaskCount());
632	>	} finally {
633	>	done.countDown();
634	>	joinPool(p);
635		}
636	<	assertTrue(p1.isShutdown());
637	<	assertTrue(l.size() <= 4);
636	>	}
637	>
638	>	/**
639	>	* shutdownNow returns a list containing tasks that were not run,
640	>	* and those tasks are drained from the queue
641	>	*/
642	>	public void testShutdownNow() throws InterruptedException {
643	>	final int poolSize = 2;
644	>	final int count = 5;
645	>	final AtomicInteger ran = new AtomicInteger(0);
646	>	final ThreadPoolExecutor p =
647	>	new ThreadPoolExecutor(poolSize, poolSize,
648	>	LONG_DELAY_MS, MILLISECONDS,
649	>	new ArrayBlockingQueue<Runnable>(10));
650	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
651	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
652	>	threadsStarted.countDown();
653	>	try {
654	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
655	>	} catch (InterruptedException success) {}
656	>	ran.getAndIncrement();
657	>	}};
658	>	for (int i = 0; i < count; i++)
659	>	p.execute(waiter);
660	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
661	>	assertEquals(poolSize, p.getActiveCount());
662	>	assertEquals(0, p.getCompletedTaskCount());
663	>	final List<Runnable> queuedTasks;
664	>	try {
665	>	queuedTasks = p.shutdownNow();
666	>	} catch (SecurityException ok) {
667	>	return; // Allowed in case test doesn't have privs
668	>	}
669	>	assertTrue(p.isShutdown());
670	>	assertTrue(p.getQueue().isEmpty());
671	>	assertEquals(count - poolSize, queuedTasks.size());
672	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
673	>	assertTrue(p.isTerminated());
674	>	assertEquals(poolSize, ran.get());
675	>	assertEquals(poolSize, p.getCompletedTaskCount());
676		}
677
678		// Exception Tests
256	–
679
680	<	/**
681	<	* Constructor throws if corePoolSize argument is less than zero
680	>	/**
681	>	* Constructor throws if corePoolSize argument is less than zero
682		*/
683		public void testConstructor1() {
684		try {
685	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
685	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
686	>	new ArrayBlockingQueue<Runnable>(10));
687		shouldThrow();
688	<	}
266	<	catch (IllegalArgumentException success){}
688	>	} catch (IllegalArgumentException success) {}
689		}
690	<
691	<	/**
692	<	* Constructor throws if maximumPoolSize is less than zero
690	>
691	>	/**
692	>	* Constructor throws if maximumPoolSize is less than zero
693		*/
694		public void testConstructor2() {
695		try {
696	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
696	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
697	>	new ArrayBlockingQueue<Runnable>(10));
698		shouldThrow();
699	<	}
277	<	catch (IllegalArgumentException success){}
699	>	} catch (IllegalArgumentException success) {}
700		}
701	<
702	<	/**
703	<	* Constructor throws if maximumPoolSize is equal to zero
701	>
702	>	/**
703	>	* Constructor throws if maximumPoolSize is equal to zero
704		*/
705		public void testConstructor3() {
706		try {
707	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
707	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
708	>	new ArrayBlockingQueue<Runnable>(10));
709		shouldThrow();
710	<	}
288	<	catch (IllegalArgumentException success){}
710	>	} catch (IllegalArgumentException success) {}
711		}
712
713	<	/**
714	<	* Constructor throws if keepAliveTime is less than zero
713	>	/**
714	>	* Constructor throws if keepAliveTime is less than zero
715		*/
716		public void testConstructor4() {
717		try {
718	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
718	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
719	>	new ArrayBlockingQueue<Runnable>(10));
720		shouldThrow();
721	<	}
299	<	catch (IllegalArgumentException success){}
721	>	} catch (IllegalArgumentException success) {}
722		}
723
724	<	/**
725	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
724	>	/**
725	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
726		*/
727		public void testConstructor5() {
728		try {
729	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
729	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
730	>	new ArrayBlockingQueue<Runnable>(10));
731		shouldThrow();
732	<	}
310	<	catch (IllegalArgumentException success){}
732	>	} catch (IllegalArgumentException success) {}
733		}
734	<
735	<	/**
736	<	* Constructor throws if workQueue is set to null
734	>
735	>	/**
736	>	* Constructor throws if workQueue is set to null
737		*/
738	<	public void testNullPointerException() {
738	>	public void testConstructorNullPointerException() {
739		try {
740	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
740	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
741	>	(BlockingQueue) null);
742		shouldThrow();
743	<	}
321	<	catch (NullPointerException success){}
743	>	} catch (NullPointerException success) {}
744		}
323	–
745
746	<
747	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
746	>	/**
747	>	* Constructor throws if corePoolSize argument is less than zero
748		*/
749		public void testConstructor6() {
750		try {
751	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
751	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
752	>	new ArrayBlockingQueue<Runnable>(10),
753	>	new SimpleThreadFactory());
754		shouldThrow();
755	<	} catch (IllegalArgumentException success){}
755	>	} catch (IllegalArgumentException success) {}
756		}
757	<
758	<	/**
759	<	* Constructor throws if maximumPoolSize is less than zero
757	>
758	>	/**
759	>	* Constructor throws if maximumPoolSize is less than zero
760		*/
761		public void testConstructor7() {
762		try {
763	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
763	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
764	>	new ArrayBlockingQueue<Runnable>(10),
765	>	new SimpleThreadFactory());
766		shouldThrow();
767	<	}
344	<	catch (IllegalArgumentException success){}
767	>	} catch (IllegalArgumentException success) {}
768		}
769
770	<	/**
771	<	* Constructor throws if maximumPoolSize is equal to zero
770	>	/**
771	>	* Constructor throws if maximumPoolSize is equal to zero
772		*/
773		public void testConstructor8() {
774		try {
775	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
775	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
776	>	new ArrayBlockingQueue<Runnable>(10),
777	>	new SimpleThreadFactory());
778		shouldThrow();
779	<	}
355	<	catch (IllegalArgumentException success){}
779	>	} catch (IllegalArgumentException success) {}
780		}
781
782	<	/**
783	<	* Constructor throws if keepAliveTime is less than zero
782	>	/**
783	>	* Constructor throws if keepAliveTime is less than zero
784		*/
785		public void testConstructor9() {
786		try {
787	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
787	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
788	>	new ArrayBlockingQueue<Runnable>(10),
789	>	new SimpleThreadFactory());
790		shouldThrow();
791	<	}
366	<	catch (IllegalArgumentException success){}
791	>	} catch (IllegalArgumentException success) {}
792		}
793
794	<	/**
795	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
794	>	/**
795	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
796		*/
797		public void testConstructor10() {
798		try {
799	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
799	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
800	>	new ArrayBlockingQueue<Runnable>(10),
801	>	new SimpleThreadFactory());
802		shouldThrow();
803	<	}
377	<	catch (IllegalArgumentException success){}
803	>	} catch (IllegalArgumentException success) {}
804		}
805
806	<	/**
807	<	* Constructor throws if workQueue is set to null
806	>	/**
807	>	* Constructor throws if workQueue is set to null
808		*/
809	<	public void testNullPointerException2() {
809	>	public void testConstructorNullPointerException2() {
810		try {
811	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
811	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
812	>	(BlockingQueue) null,
813	>	new SimpleThreadFactory());
814		shouldThrow();
815	<	}
388	<	catch (NullPointerException success){}
815	>	} catch (NullPointerException success) {}
816		}
817
818	<	/**
819	<	* Constructor throws if threadFactory is set to null
818	>	/**
819	>	* Constructor throws if threadFactory is set to null
820		*/
821	<	public void testNullPointerException3() {
821	>	public void testConstructorNullPointerException3() {
822		try {
823	<	ThreadFactory f = null;
824	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
823	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
824	>	new ArrayBlockingQueue<Runnable>(10),
825	>	(ThreadFactory) null);
826		shouldThrow();
827	<	}
400	<	catch (NullPointerException success){}
827	>	} catch (NullPointerException success) {}
828		}
829	<
830	<
831	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
829	>
830	>	/**
831	>	* Constructor throws if corePoolSize argument is less than zero
832		*/
833		public void testConstructor11() {
834		try {
835	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
835	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
836	>	new ArrayBlockingQueue<Runnable>(10),
837	>	new NoOpREHandler());
838		shouldThrow();
839	<	}
412	<	catch (IllegalArgumentException success){}
839	>	} catch (IllegalArgumentException success) {}
840		}
841
842	<	/**
843	<	* Constructor throws if maximumPoolSize is less than zero
842	>	/**
843	>	* Constructor throws if maximumPoolSize is less than zero
844		*/
845		public void testConstructor12() {
846		try {
847	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
847	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
848	>	new ArrayBlockingQueue<Runnable>(10),
849	>	new NoOpREHandler());
850		shouldThrow();
851	<	}
423	<	catch (IllegalArgumentException success){}
851	>	} catch (IllegalArgumentException success) {}
852		}
853
854	<	/**
855	<	* Constructor throws if maximumPoolSize is equal to zero
854	>	/**
855	>	* Constructor throws if maximumPoolSize is equal to zero
856		*/
857		public void testConstructor13() {
858		try {
859	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
859	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
860	>	new ArrayBlockingQueue<Runnable>(10),
861	>	new NoOpREHandler());
862		shouldThrow();
863	<	}
434	<	catch (IllegalArgumentException success){}
863	>	} catch (IllegalArgumentException success) {}
864		}
865
866	<	/**
867	<	* Constructor throws if keepAliveTime is less than zero
866	>	/**
867	>	* Constructor throws if keepAliveTime is less than zero
868		*/
869		public void testConstructor14() {
870		try {
871	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
871	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
872	>	new ArrayBlockingQueue<Runnable>(10),
873	>	new NoOpREHandler());
874		shouldThrow();
875	<	}
445	<	catch (IllegalArgumentException success){}
875	>	} catch (IllegalArgumentException success) {}
876		}
877
878	<	/**
879	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
878	>	/**
879	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
880		*/
881		public void testConstructor15() {
882		try {
883	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
883	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
884	>	new ArrayBlockingQueue<Runnable>(10),
885	>	new NoOpREHandler());
886	>	shouldThrow();
887	>	} catch (IllegalArgumentException success) {}
888	>	}
889	>
890	>	/**
891	>	* Constructor throws if workQueue is set to null
892	>	*/
893	>	public void testConstructorNullPointerException4() {
894	>	try {
895	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
896	>	(BlockingQueue) null,
897	>	new NoOpREHandler());
898	>	shouldThrow();
899	>	} catch (NullPointerException success) {}
900	>	}
901	>
902	>	/**
903	>	* Constructor throws if handler is set to null
904	>	*/
905	>	public void testConstructorNullPointerException5() {
906	>	try {
907	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
908	>	new ArrayBlockingQueue<Runnable>(10),
909	>	(RejectedExecutionHandler) null);
910	>	shouldThrow();
911	>	} catch (NullPointerException success) {}
912	>	}
913	>
914	>	/**
915	>	* Constructor throws if corePoolSize argument is less than zero
916	>	*/
917	>	public void testConstructor16() {
918	>	try {
919	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
920	>	new ArrayBlockingQueue<Runnable>(10),
921	>	new SimpleThreadFactory(),
922	>	new NoOpREHandler());
923	>	shouldThrow();
924	>	} catch (IllegalArgumentException success) {}
925	>	}
926	>
927	>	/**
928	>	* Constructor throws if maximumPoolSize is less than zero
929	>	*/
930	>	public void testConstructor17() {
931	>	try {
932	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
933	>	new ArrayBlockingQueue<Runnable>(10),
934	>	new SimpleThreadFactory(),
935	>	new NoOpREHandler());
936	>	shouldThrow();
937	>	} catch (IllegalArgumentException success) {}
938	>	}
939	>
940	>	/**
941	>	* Constructor throws if maximumPoolSize is equal to zero
942	>	*/
943	>	public void testConstructor18() {
944	>	try {
945	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
946	>	new ArrayBlockingQueue<Runnable>(10),
947	>	new SimpleThreadFactory(),
948	>	new NoOpREHandler());
949	>	shouldThrow();
950	>	} catch (IllegalArgumentException success) {}
951	>	}
952	>
953	>	/**
954	>	* Constructor throws if keepAliveTime is less than zero
955	>	*/
956	>	public void testConstructor19() {
957	>	try {
958	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
959	>	new ArrayBlockingQueue<Runnable>(10),
960	>	new SimpleThreadFactory(),
961	>	new NoOpREHandler());
962	>	shouldThrow();
963	>	} catch (IllegalArgumentException success) {}
964	>	}
965	>
966	>	/**
967	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
968	>	*/
969	>	public void testConstructor20() {
970	>	try {
971	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
972	>	new ArrayBlockingQueue<Runnable>(10),
973	>	new SimpleThreadFactory(),
974	>	new NoOpREHandler());
975	>	shouldThrow();
976	>	} catch (IllegalArgumentException success) {}
977	>	}
978	>
979	>	/**
980	>	* Constructor throws if workQueue is null
981	>	*/
982	>	public void testConstructorNullPointerException6() {
983	>	try {
984	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
985	>	(BlockingQueue) null,
986	>	new SimpleThreadFactory(),
987	>	new NoOpREHandler());
988	>	shouldThrow();
989	>	} catch (NullPointerException success) {}
990	>	}
991	>
992	>	/**
993	>	* Constructor throws if handler is null
994	>	*/
995	>	public void testConstructorNullPointerException7() {
996	>	try {
997	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
998	>	new ArrayBlockingQueue<Runnable>(10),
999	>	new SimpleThreadFactory(),
1000	>	(RejectedExecutionHandler) null);
1001		shouldThrow();
1002	+	} catch (NullPointerException success) {}
1003	+	}
1004	+
1005	+	/**
1006	+	* Constructor throws if ThreadFactory is null
1007	+	*/
1008	+	public void testConstructorNullPointerException8() {
1009	+	try {
1010	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1011	+	new ArrayBlockingQueue<Runnable>(10),
1012	+	(ThreadFactory) null,
1013	+	new NoOpREHandler());
1014	+	shouldThrow();
1015	+	} catch (NullPointerException success) {}
1016	+	}
1017	+
1018	+	/**
1019	+	* get of submitted callable throws InterruptedException if interrupted
1020	+	*/
1021	+	public void testInterruptedSubmit() throws InterruptedException {
1022	+	final ThreadPoolExecutor p =
1023	+	new ThreadPoolExecutor(1, 1,
1024	+	60, SECONDS,
1025	+	new ArrayBlockingQueue<Runnable>(10));
1026	+
1027	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1028	+	final CountDownLatch done = new CountDownLatch(1);
1029	+	try {
1030	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1031	+	public void realRun() throws Exception {
1032	+	Callable task = new CheckedCallable<Boolean>() {
1033	+	public Boolean realCall() throws InterruptedException {
1034	+	threadStarted.countDown();
1035	+	done.await();
1036	+	return Boolean.TRUE;
1037	+	}};
1038	+	p.submit(task).get();
1039	+	}});
1040	+
1041	+	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1042	+	t.interrupt();
1043	+	awaitTermination(t, MEDIUM_DELAY_MS);
1044	+	} finally {
1045	+	done.countDown();
1046	+	joinPool(p);
1047	+	}
1048	+	}
1049	+
1050	+	/**
1051	+	* execute throws RejectedExecutionException if saturated.
1052	+	*/
1053	+	public void testSaturatedExecute() {
1054	+	ThreadPoolExecutor p =
1055	+	new ThreadPoolExecutor(1, 1,
1056	+	LONG_DELAY_MS, MILLISECONDS,
1057	+	new ArrayBlockingQueue<Runnable>(1));
1058	+	final CountDownLatch done = new CountDownLatch(1);
1059	+	try {
1060	+	Runnable task = new CheckedRunnable() {
1061	+	public void realRun() throws InterruptedException {
1062	+	done.await();
1063	+	}};
1064	+	for (int i = 0; i < 2; ++i)
1065	+	p.execute(task);
1066	+	for (int i = 0; i < 2; ++i) {
1067	+	try {
1068	+	p.execute(task);
1069	+	shouldThrow();
1070	+	} catch (RejectedExecutionException success) {}
1071	+	assertTrue(p.getTaskCount() <= 2);
1072	+	}
1073	+	} finally {
1074	+	done.countDown();
1075	+	joinPool(p);
1076	+	}
1077	+	}
1078	+
1079	+	/**
1080	+	* submit(runnable) throws RejectedExecutionException if saturated.
1081	+	*/
1082	+	public void testSaturatedSubmitRunnable() {
1083	+	ThreadPoolExecutor p =
1084	+	new ThreadPoolExecutor(1, 1,
1085	+	LONG_DELAY_MS, MILLISECONDS,
1086	+	new ArrayBlockingQueue<Runnable>(1));
1087	+	final CountDownLatch done = new CountDownLatch(1);
1088	+	try {
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	+	} finally {
1103	+	done.countDown();
1104	+	joinPool(p);
1105	+	}
1106	+	}
1107	+
1108	+	/**
1109	+	* submit(callable) throws RejectedExecutionException if saturated.
1110	+	*/
1111	+	public void testSaturatedSubmitCallable() {
1112	+	ThreadPoolExecutor p =
1113	+	new ThreadPoolExecutor(1, 1,
1114	+	LONG_DELAY_MS, MILLISECONDS,
1115	+	new ArrayBlockingQueue<Runnable>(1));
1116	+	final CountDownLatch done = new CountDownLatch(1);
1117	+	try {
1118	+	Runnable task = new CheckedRunnable() {
1119	+	public void realRun() throws InterruptedException {
1120	+	done.await();
1121	+	}};
1122	+	for (int i = 0; i < 2; ++i)
1123	+	p.submit(Executors.callable(task));
1124	+	for (int i = 0; i < 2; ++i) {
1125	+	try {
1126	+	p.execute(task);
1127	+	shouldThrow();
1128	+	} catch (RejectedExecutionException success) {}
1129	+	assertTrue(p.getTaskCount() <= 2);
1130	+	}
1131	+	} finally {
1132	+	done.countDown();
1133	+	joinPool(p);
1134	+	}
1135	+	}
1136	+
1137	+	/**
1138	+	* executor using CallerRunsPolicy runs task if saturated.
1139	+	*/
1140	+	public void testSaturatedExecute2() {
1141	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1142	+	final ThreadPoolExecutor p =
1143	+	new ThreadPoolExecutor(1, 1,
1144	+	LONG_DELAY_MS,
1145	+	MILLISECONDS,
1146	+	new ArrayBlockingQueue<Runnable>(1),
1147	+	h);
1148	+	try {
1149	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1150	+	for (int i = 0; i < tasks.length; ++i)
1151	+	tasks[i] = new TrackedNoOpRunnable();
1152	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1153	+	p.execute(mr);
1154	+	for (int i = 0; i < tasks.length; ++i)
1155	+	p.execute(tasks[i]);
1156	+	for (int i = 1; i < tasks.length; ++i)
1157	+	assertTrue(tasks[i].done);
1158	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1159	+	} finally {
1160	+	joinPool(p);
1161	+	}
1162	+	}
1163	+
1164	+	/**
1165	+	* executor using DiscardPolicy drops task if saturated.
1166	+	*/
1167	+	public void testSaturatedExecute3() {
1168	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1169	+	final ThreadPoolExecutor p =
1170	+	new ThreadPoolExecutor(1, 1,
1171	+	LONG_DELAY_MS, MILLISECONDS,
1172	+	new ArrayBlockingQueue<Runnable>(1),
1173	+	h);
1174	+	try {
1175	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1176	+	for (int i = 0; i < tasks.length; ++i)
1177	+	tasks[i] = new TrackedNoOpRunnable();
1178	+	p.execute(new TrackedLongRunnable());
1179	+	for (TrackedNoOpRunnable task : tasks)
1180	+	p.execute(task);
1181	+	for (TrackedNoOpRunnable task : tasks)
1182	+	assertFalse(task.done);
1183	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1184	+	} finally {
1185	+	joinPool(p);
1186		}
456	–	catch (IllegalArgumentException success){}
1187		}
1188
1189	<	/**
1190	<	* Constructor throws if workQueue is set to null
1189	>	/**
1190	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1191		*/
1192	<	public void testNullPointerException4() {
1192	>	public void testSaturatedExecute4() {
1193	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1194	>	final ThreadPoolExecutor p =
1195	>	new ThreadPoolExecutor(1, 1,
1196	>	LONG_DELAY_MS, MILLISECONDS,
1197	>	new ArrayBlockingQueue<Runnable>(1),
1198	>	h);
1199	>	try {
1200	>	p.execute(new TrackedLongRunnable());
1201	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1202	>	p.execute(r2);
1203	>	assertTrue(p.getQueue().contains(r2));
1204	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1205	>	p.execute(r3);
1206	>	assertFalse(p.getQueue().contains(r2));
1207	>	assertTrue(p.getQueue().contains(r3));
1208	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1209	>	} finally {
1210	>	joinPool(p);
1211	>	}
1212	>	}
1213	>
1214	>	/**
1215	>	* execute throws RejectedExecutionException if shutdown
1216	>	*/
1217	>	public void testRejectedExecutionExceptionOnShutdown() {
1218	>	ThreadPoolExecutor p =
1219	>	new ThreadPoolExecutor(1, 1,
1220	>	LONG_DELAY_MS, MILLISECONDS,
1221	>	new ArrayBlockingQueue<Runnable>(1));
1222	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1223		try {
1224	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1224	>	p.execute(new NoOpRunnable());
1225		shouldThrow();
1226	+	} catch (RejectedExecutionException success) {}
1227	+
1228	+	joinPool(p);
1229	+	}
1230	+
1231	+	/**
1232	+	* execute using CallerRunsPolicy drops task on shutdown
1233	+	*/
1234	+	public void testCallerRunsOnShutdown() {
1235	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1236	+	final ThreadPoolExecutor p =
1237	+	new ThreadPoolExecutor(1, 1,
1238	+	LONG_DELAY_MS, MILLISECONDS,
1239	+	new ArrayBlockingQueue<Runnable>(1), h);
1240	+
1241	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1242	+	try {
1243	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1244	+	p.execute(r);
1245	+	assertFalse(r.done);
1246	+	} finally {
1247	+	joinPool(p);
1248	+	}
1249	+	}
1250	+
1251	+	/**
1252	+	* execute using DiscardPolicy drops task on shutdown
1253	+	*/
1254	+	public void testDiscardOnShutdown() {
1255	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1256	+	ThreadPoolExecutor p =
1257	+	new ThreadPoolExecutor(1, 1,
1258	+	LONG_DELAY_MS, MILLISECONDS,
1259	+	new ArrayBlockingQueue<Runnable>(1),
1260	+	h);
1261	+
1262	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1263	+	try {
1264	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1265	+	p.execute(r);
1266	+	assertFalse(r.done);
1267	+	} finally {
1268	+	joinPool(p);
1269		}
467	–	catch (NullPointerException success){}
1270		}
1271
1272	<	/**
1273	<	* Constructor throws if handler is set to null
1272	>	/**
1273	>	* execute using DiscardOldestPolicy drops task on shutdown
1274		*/
1275	<	public void testNullPointerException5() {
1275	>	public void testDiscardOldestOnShutdown() {
1276	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1277	>	ThreadPoolExecutor p =
1278	>	new ThreadPoolExecutor(1, 1,
1279	>	LONG_DELAY_MS, MILLISECONDS,
1280	>	new ArrayBlockingQueue<Runnable>(1),
1281	>	h);
1282	>
1283	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1284		try {
1285	<	RejectedExecutionHandler r = null;
1286	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1285	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1286	>	p.execute(r);
1287	>	assertFalse(r.done);
1288	>	} finally {
1289	>	joinPool(p);
1290	>	}
1291	>	}
1292	>
1293	>	/**
1294	>	* execute(null) throws NPE
1295	>	*/
1296	>	public void testExecuteNull() {
1297	>	ThreadPoolExecutor p =
1298	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1299	>	new ArrayBlockingQueue<Runnable>(10));
1300	>	try {
1301	>	p.execute(null);
1302		shouldThrow();
1303	+	} catch (NullPointerException success) {}
1304	+
1305	+	joinPool(p);
1306	+	}
1307	+
1308	+	/**
1309	+	* setCorePoolSize of negative value throws IllegalArgumentException
1310	+	*/
1311	+	public void testCorePoolSizeIllegalArgumentException() {
1312	+	ThreadPoolExecutor p =
1313	+	new ThreadPoolExecutor(1, 2,
1314	+	LONG_DELAY_MS, MILLISECONDS,
1315	+	new ArrayBlockingQueue<Runnable>(10));
1316	+	try {
1317	+	p.setCorePoolSize(-1);
1318	+	shouldThrow();
1319	+	} catch (IllegalArgumentException success) {
1320	+	} finally {
1321	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1322		}
1323	<	catch (NullPointerException success){}
1323	>	joinPool(p);
1324		}
1325
1326	<
1327	<	/**
1328	<	* Constructor throws if corePoolSize argument is less than zero
1326	>	/**
1327	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1328	>	* given a value less the core pool size
1329		*/
1330	<	public void testConstructor16() {
1330	>	public void testMaximumPoolSizeIllegalArgumentException() {
1331	>	ThreadPoolExecutor p =
1332	>	new ThreadPoolExecutor(2, 3,
1333	>	LONG_DELAY_MS, MILLISECONDS,
1334	>	new ArrayBlockingQueue<Runnable>(10));
1335		try {
1336	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1336	>	p.setMaximumPoolSize(1);
1337		shouldThrow();
1338	+	} catch (IllegalArgumentException success) {
1339	+	} finally {
1340	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1341		}
1342	<	catch (IllegalArgumentException success){}
1342	>	joinPool(p);
1343		}
1344
1345	<	/**
1346	<	* Constructor throws if maximumPoolSize is less than zero
1345	>	/**
1346	>	* setMaximumPoolSize throws IllegalArgumentException
1347	>	* if given a negative value
1348		*/
1349	<	public void testConstructor17() {
1349	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1350	>	ThreadPoolExecutor p =
1351	>	new ThreadPoolExecutor(2, 3,
1352	>	LONG_DELAY_MS, MILLISECONDS,
1353	>	new ArrayBlockingQueue<Runnable>(10));
1354		try {
1355	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1355	>	p.setMaximumPoolSize(-1);
1356		shouldThrow();
1357	+	} catch (IllegalArgumentException success) {
1358	+	} finally {
1359	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1360		}
1361	<	catch (IllegalArgumentException success){}
1361	>	joinPool(p);
1362		}
1363
1364	<	/**
1365	<	* Constructor throws if maximumPoolSize is equal to zero
1364	>	/**
1365	>	* Configuration changes that allow core pool size greater than
1366	>	* max pool size result in IllegalArgumentException.
1367		*/
1368	<	public void testConstructor18() {
1368	>	public void testPoolSizeInvariants() {
1369	>	ThreadPoolExecutor p =
1370	>	new ThreadPoolExecutor(1, 1,
1371	>	LONG_DELAY_MS, MILLISECONDS,
1372	>	new ArrayBlockingQueue<Runnable>(10));
1373	>	for (int s = 1; s < 5; s++) {
1374	>	p.setMaximumPoolSize(s);
1375	>	p.setCorePoolSize(s);
1376	>	try {
1377	>	p.setMaximumPoolSize(s - 1);
1378	>	shouldThrow();
1379	>	} catch (IllegalArgumentException success) {}
1380	>	assertEquals(s, p.getCorePoolSize());
1381	>	assertEquals(s, p.getMaximumPoolSize());
1382	>	try {
1383	>	p.setCorePoolSize(s + 1);
1384	>	shouldThrow();
1385	>	} catch (IllegalArgumentException success) {}
1386	>	assertEquals(s, p.getCorePoolSize());
1387	>	assertEquals(s, p.getMaximumPoolSize());
1388	>	}
1389	>	joinPool(p);
1390	>	}
1391	>
1392	>	/**
1393	>	* setKeepAliveTime throws IllegalArgumentException
1394	>	* when given a negative value
1395	>	*/
1396	>	public void testKeepAliveTimeIllegalArgumentException() {
1397	>	ThreadPoolExecutor p =
1398	>	new ThreadPoolExecutor(2, 3,
1399	>	LONG_DELAY_MS, MILLISECONDS,
1400	>	new ArrayBlockingQueue<Runnable>(10));
1401		try {
1402	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1402	>	p.setKeepAliveTime(-1,MILLISECONDS);
1403		shouldThrow();
1404	+	} catch (IllegalArgumentException success) {
1405	+	} finally {
1406	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1407		}
1408	<	catch (IllegalArgumentException success){}
1408	>	joinPool(p);
1409		}
1410
1411	<	/**
1412	<	* Constructor throws if keepAliveTime is less than zero
1411	>	/**
1412	>	* terminated() is called on termination
1413		*/
1414	<	public void testConstructor19() {
1414	>	public void testTerminated() {
1415	>	ExtendedTPE p = new ExtendedTPE();
1416	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1417	>	assertTrue(p.terminatedCalled());
1418	>	joinPool(p);
1419	>	}
1420	>
1421	>	/**
1422	>	* beforeExecute and afterExecute are called when executing task
1423	>	*/
1424	>	public void testBeforeAfter() throws InterruptedException {
1425	>	ExtendedTPE p = new ExtendedTPE();
1426		try {
1427	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1427	>	final CountDownLatch done = new CountDownLatch(1);
1428	>	p.execute(new CheckedRunnable() {
1429	>	public void realRun() {
1430	>	done.countDown();
1431	>	}});
1432	>	await(p.afterCalled);
1433	>	assertEquals(0, done.getCount());
1434	>	assertTrue(p.afterCalled());
1435	>	assertTrue(p.beforeCalled());
1436	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1437	>	} finally {
1438	>	joinPool(p);
1439	>	}
1440	>	}
1441	>
1442	>	/**
1443	>	* completed submit of callable returns result
1444	>	*/
1445	>	public void testSubmitCallable() throws Exception {
1446	>	ExecutorService e =
1447	>	new ThreadPoolExecutor(2, 2,
1448	>	LONG_DELAY_MS, MILLISECONDS,
1449	>	new ArrayBlockingQueue<Runnable>(10));
1450	>	try {
1451	>	Future<String> future = e.submit(new StringTask());
1452	>	String result = future.get();
1453	>	assertSame(TEST_STRING, result);
1454	>	} finally {
1455	>	joinPool(e);
1456	>	}
1457	>	}
1458	>
1459	>	/**
1460	>	* completed submit of runnable returns successfully
1461	>	*/
1462	>	public void testSubmitRunnable() throws Exception {
1463	>	ExecutorService e =
1464	>	new ThreadPoolExecutor(2, 2,
1465	>	LONG_DELAY_MS, MILLISECONDS,
1466	>	new ArrayBlockingQueue<Runnable>(10));
1467	>	try {
1468	>	Future<?> future = e.submit(new NoOpRunnable());
1469	>	future.get();
1470	>	assertTrue(future.isDone());
1471	>	} finally {
1472	>	joinPool(e);
1473	>	}
1474	>	}
1475	>
1476	>	/**
1477	>	* completed submit of (runnable, result) returns result
1478	>	*/
1479	>	public void testSubmitRunnable2() throws Exception {
1480	>	ExecutorService e =
1481	>	new ThreadPoolExecutor(2, 2,
1482	>	LONG_DELAY_MS, MILLISECONDS,
1483	>	new ArrayBlockingQueue<Runnable>(10));
1484	>	try {
1485	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1486	>	String result = future.get();
1487	>	assertSame(TEST_STRING, result);
1488	>	} finally {
1489	>	joinPool(e);
1490	>	}
1491	>	}
1492	>
1493	>	/**
1494	>	* invokeAny(null) throws NPE
1495	>	*/
1496	>	public void testInvokeAny1() throws Exception {
1497	>	ExecutorService e =
1498	>	new ThreadPoolExecutor(2, 2,
1499	>	LONG_DELAY_MS, MILLISECONDS,
1500	>	new ArrayBlockingQueue<Runnable>(10));
1501	>	try {
1502	>	e.invokeAny(null);
1503		shouldThrow();
1504	+	} catch (NullPointerException success) {
1505	+	} finally {
1506	+	joinPool(e);
1507		}
524	–	catch (IllegalArgumentException success){}
1508		}
1509
1510	<	/**
1511	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1510	>	/**
1511	>	* invokeAny(empty collection) throws IAE
1512		*/
1513	<	public void testConstructor20() {
1513	>	public void testInvokeAny2() throws Exception {
1514	>	ExecutorService e =
1515	>	new ThreadPoolExecutor(2, 2,
1516	>	LONG_DELAY_MS, MILLISECONDS,
1517	>	new ArrayBlockingQueue<Runnable>(10));
1518		try {
1519	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1519	>	e.invokeAny(new ArrayList<Callable<String>>());
1520		shouldThrow();
1521	+	} catch (IllegalArgumentException success) {
1522	+	} finally {
1523	+	joinPool(e);
1524		}
535	–	catch (IllegalArgumentException success){}
1525		}
1526
1527	<	/**
1528	<	* Constructor throws if workQueue is set to null
1527	>	/**
1528	>	* invokeAny(c) throws NPE if c has null elements
1529		*/
1530	<	public void testNullPointerException6() {
1530	>	public void testInvokeAny3() throws Exception {
1531	>	final CountDownLatch latch = new CountDownLatch(1);
1532	>	final ExecutorService e =
1533	>	new ThreadPoolExecutor(2, 2,
1534	>	LONG_DELAY_MS, MILLISECONDS,
1535	>	new ArrayBlockingQueue<Runnable>(10));
1536	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1537	>	l.add(latchAwaitingStringTask(latch));
1538	>	l.add(null);
1539		try {
1540	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1540	>	e.invokeAny(l);
1541		shouldThrow();
1542	+	} catch (NullPointerException success) {
1543	+	} finally {
1544	+	latch.countDown();
1545	+	joinPool(e);
1546		}
546	–	catch (NullPointerException success){}
1547		}
1548
1549	<	/**
1550	<	* Constructor throws if handler is set to null
1549	>	/**
1550	>	* invokeAny(c) throws ExecutionException if no task completes
1551		*/
1552	<	public void testNullPointerException7() {
1552	>	public void testInvokeAny4() throws Exception {
1553	>	ExecutorService e =
1554	>	new ThreadPoolExecutor(2, 2,
1555	>	LONG_DELAY_MS, MILLISECONDS,
1556	>	new ArrayBlockingQueue<Runnable>(10));
1557	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1558	>	l.add(new NPETask());
1559		try {
1560	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1560	>	e.invokeAny(l);
1561		shouldThrow();
1562	+	} catch (ExecutionException success) {
1563	+	assertTrue(success.getCause() instanceof NullPointerException);
1564	+	} finally {
1565	+	joinPool(e);
1566		}
558	–	catch (NullPointerException success){}
1567		}
1568
1569	<	/**
1570	<	* Constructor throws if ThreadFactory is set top null
1569	>	/**
1570	>	* invokeAny(c) returns result of some task
1571		*/
1572	<	public void testNullPointerException8() {
1572	>	public void testInvokeAny5() throws Exception {
1573	>	ExecutorService e =
1574	>	new ThreadPoolExecutor(2, 2,
1575	>	LONG_DELAY_MS, MILLISECONDS,
1576	>	new ArrayBlockingQueue<Runnable>(10));
1577		try {
1578	<	ThreadFactory f = null;
1579	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1578	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1579	>	l.add(new StringTask());
1580	>	l.add(new StringTask());
1581	>	String result = e.invokeAny(l);
1582	>	assertSame(TEST_STRING, result);
1583	>	} finally {
1584	>	joinPool(e);
1585	>	}
1586	>	}
1587	>
1588	>	/**
1589	>	* invokeAll(null) throws NPE
1590	>	*/
1591	>	public void testInvokeAll1() throws Exception {
1592	>	ExecutorService e =
1593	>	new ThreadPoolExecutor(2, 2,
1594	>	LONG_DELAY_MS, MILLISECONDS,
1595	>	new ArrayBlockingQueue<Runnable>(10));
1596	>	try {
1597	>	e.invokeAll(null);
1598		shouldThrow();
1599	+	} catch (NullPointerException success) {
1600	+	} finally {
1601	+	joinPool(e);
1602	+	}
1603	+	}
1604	+
1605	+	/**
1606	+	* invokeAll(empty collection) returns empty collection
1607	+	*/
1608	+	public void testInvokeAll2() throws InterruptedException {
1609	+	ExecutorService e =
1610	+	new ThreadPoolExecutor(2, 2,
1611	+	LONG_DELAY_MS, MILLISECONDS,
1612	+	new ArrayBlockingQueue<Runnable>(10));
1613	+	try {
1614	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1615	+	assertTrue(r.isEmpty());
1616	+	} finally {
1617	+	joinPool(e);
1618		}
570	–	catch (NullPointerException successdn8){}
1619		}
572	–
1620
1621		/**
1622	<	*  execute throws RejectedExecutionException if shutdown
1622	>	* invokeAll(c) throws NPE if c has null elements
1623		*/
1624	<	public void testRejectedExecutionException() {
1625	<	ThreadPoolExecutor tpe = null;
1624	>	public void testInvokeAll3() throws Exception {
1625	>	ExecutorService e =
1626	>	new ThreadPoolExecutor(2, 2,
1627	>	LONG_DELAY_MS, MILLISECONDS,
1628	>	new ArrayBlockingQueue<Runnable>(10));
1629	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1630	>	l.add(new StringTask());
1631	>	l.add(null);
1632		try {
1633	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1634	<	} catch(Exception e){}
1635	<	tpe.shutdown();
1636	<	try {
1637	<	tpe.execute(new NoOpRunnable());
1638	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1633	>	e.invokeAll(l);
1634	>	shouldThrow();
1635	>	} catch (NullPointerException success) {
1636	>	} finally {
1637	>	joinPool(e);
1638	>	}
1639		}
1640
1641		/**
1642	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1642	>	* get of element of invokeAll(c) throws exception on failed task
1643		*/
1644	<	public void testSaturatedExecute() {
1645	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1644	>	public void testInvokeAll4() throws Exception {
1645	>	ExecutorService e =
1646	>	new ThreadPoolExecutor(2, 2,
1647	>	LONG_DELAY_MS, MILLISECONDS,
1648	>	new ArrayBlockingQueue<Runnable>(10));
1649		try {
1650	<
1651	<	for(int i = 0; i < 5; ++i){
1652	<	p.execute(new MediumRunnable());
1650	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1651	>	l.add(new NPETask());
1652	>	List<Future<String>> futures = e.invokeAll(l);
1653	>	assertEquals(1, futures.size());
1654	>	try {
1655	>	futures.get(0).get();
1656	>	shouldThrow();
1657	>	} catch (ExecutionException success) {
1658	>	assertTrue(success.getCause() instanceof NullPointerException);
1659		}
1660	+	} finally {
1661	+	joinPool(e);
1662	+	}
1663	+	}
1664	+
1665	+	/**
1666	+	* invokeAll(c) returns results of all completed tasks
1667	+	*/
1668	+	public void testInvokeAll5() throws Exception {
1669	+	ExecutorService e =
1670	+	new ThreadPoolExecutor(2, 2,
1671	+	LONG_DELAY_MS, MILLISECONDS,
1672	+	new ArrayBlockingQueue<Runnable>(10));
1673	+	try {
1674	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1675	+	l.add(new StringTask());
1676	+	l.add(new StringTask());
1677	+	List<Future<String>> futures = e.invokeAll(l);
1678	+	assertEquals(2, futures.size());
1679	+	for (Future<String> future : futures)
1680	+	assertSame(TEST_STRING, future.get());
1681	+	} finally {
1682	+	joinPool(e);
1683	+	}
1684	+	}
1685	+
1686	+	/**
1687	+	* timed invokeAny(null) throws NPE
1688	+	*/
1689	+	public void testTimedInvokeAny1() throws Exception {
1690	+	ExecutorService e =
1691	+	new ThreadPoolExecutor(2, 2,
1692	+	LONG_DELAY_MS, MILLISECONDS,
1693	+	new ArrayBlockingQueue<Runnable>(10));
1694	+	try {
1695	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1696		shouldThrow();
1697	<	} catch(RejectedExecutionException success){}
1698	<	joinPool(p);
1697	>	} catch (NullPointerException success) {
1698	>	} finally {
1699	>	joinPool(e);
1700	>	}
1701		}
1702
1703		/**
1704	<	*  execute (null) throws NPE
1704	>	* timed invokeAny(,,null) throws NPE
1705		*/
1706	<	public void testExecuteNull() {
1707	<	ThreadPoolExecutor tpe = null;
1706	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1707	>	ExecutorService e =
1708	>	new ThreadPoolExecutor(2, 2,
1709	>	LONG_DELAY_MS, MILLISECONDS,
1710	>	new ArrayBlockingQueue<Runnable>(10));
1711	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1712	>	l.add(new StringTask());
1713		try {
1714	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1714	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1715		shouldThrow();
1716	<	} catch(NullPointerException success){}
1717	<
1718	<	joinPool(tpe);
1716	>	} catch (NullPointerException success) {
1717	>	} finally {
1718	>	joinPool(e);
1719	>	}
1720		}
1721	<
1721	>
1722		/**
1723	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1723	>	* timed invokeAny(empty collection) throws IAE
1724		*/
1725	<	public void testCorePoolSizeIllegalArgumentException() {
1726	<	ThreadPoolExecutor tpe = null;
1727	<	try {
1728	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1729	<	} 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;
1725	>	public void testTimedInvokeAny2() throws Exception {
1726	>	ExecutorService e =
1727	>	new ThreadPoolExecutor(2, 2,
1728	>	LONG_DELAY_MS, MILLISECONDS,
1729	>	new ArrayBlockingQueue<Runnable>(10));
1730		try {
1731	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1732	<	} catch(Exception e){}
1731	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1732	>	shouldThrow();
1733	>	} catch (IllegalArgumentException success) {
1734	>	} finally {
1735	>	joinPool(e);
1736	>	}
1737	>	}
1738	>
1739	>	/**
1740	>	* timed invokeAny(c) throws NPE if c has null elements
1741	>	*/
1742	>	public void testTimedInvokeAny3() throws Exception {
1743	>	final CountDownLatch latch = new CountDownLatch(1);
1744	>	final ExecutorService e =
1745	>	new ThreadPoolExecutor(2, 2,
1746	>	LONG_DELAY_MS, MILLISECONDS,
1747	>	new ArrayBlockingQueue<Runnable>(10));
1748	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1749	>	l.add(latchAwaitingStringTask(latch));
1750	>	l.add(null);
1751		try {
1752	<	tpe.setMaximumPoolSize(1);
1752	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1753		shouldThrow();
1754	<	} catch(IllegalArgumentException success){
1754	>	} catch (NullPointerException success) {
1755		} finally {
1756	<	tpe.shutdown();
1756	>	latch.countDown();
1757	>	joinPool(e);
1758		}
655	–	joinPool(tpe);
1759		}
1760	<
1760	>
1761		/**
1762	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1762	>	* timed invokeAny(c) throws ExecutionException if no task completes
1763		*/
1764	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1765	<	ThreadPoolExecutor tpe = null;
1764	>	public void testTimedInvokeAny4() throws Exception {
1765	>	ExecutorService e =
1766	>	new ThreadPoolExecutor(2, 2,
1767	>	LONG_DELAY_MS, MILLISECONDS,
1768	>	new ArrayBlockingQueue<Runnable>(10));
1769	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1770	>	l.add(new NPETask());
1771		try {
1772	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1773	<	} catch(Exception e){}
1772	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1773	>	shouldThrow();
1774	>	} catch (ExecutionException success) {
1775	>	assertTrue(success.getCause() instanceof NullPointerException);
1776	>	} finally {
1777	>	joinPool(e);
1778	>	}
1779	>	}
1780	>
1781	>	/**
1782	>	* timed invokeAny(c) returns result of some task
1783	>	*/
1784	>	public void testTimedInvokeAny5() throws Exception {
1785	>	ExecutorService e =
1786	>	new ThreadPoolExecutor(2, 2,
1787	>	LONG_DELAY_MS, MILLISECONDS,
1788	>	new ArrayBlockingQueue<Runnable>(10));
1789		try {
1790	<	tpe.setMaximumPoolSize(-1);
1790	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1791	>	l.add(new StringTask());
1792	>	l.add(new StringTask());
1793	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1794	>	assertSame(TEST_STRING, result);
1795	>	} finally {
1796	>	joinPool(e);
1797	>	}
1798	>	}
1799	>
1800	>	/**
1801	>	* timed invokeAll(null) throws NPE
1802	>	*/
1803	>	public void testTimedInvokeAll1() throws Exception {
1804	>	ExecutorService e =
1805	>	new ThreadPoolExecutor(2, 2,
1806	>	LONG_DELAY_MS, MILLISECONDS,
1807	>	new ArrayBlockingQueue<Runnable>(10));
1808	>	try {
1809	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1810		shouldThrow();
1811	<	} catch(IllegalArgumentException success){
1811	>	} catch (NullPointerException success) {
1812		} finally {
1813	<	tpe.shutdown();
1813	>	joinPool(e);
1814		}
674	–	joinPool(tpe);
1815		}
676	–
1816
1817		/**
1818	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1818	>	* timed invokeAll(,,null) throws NPE
1819		*/
1820	<	public void testKeepAliveTimeIllegalArgumentException() {
1821	<	ThreadPoolExecutor tpe = null;
1820	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1821	>	ExecutorService e =
1822	>	new ThreadPoolExecutor(2, 2,
1823	>	LONG_DELAY_MS, MILLISECONDS,
1824	>	new ArrayBlockingQueue<Runnable>(10));
1825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1826	>	l.add(new StringTask());
1827	>	try {
1828	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1829	>	shouldThrow();
1830	>	} catch (NullPointerException success) {
1831	>	} finally {
1832	>	joinPool(e);
1833	>	}
1834	>	}
1835	>
1836	>	/**
1837	>	* timed invokeAll(empty collection) returns empty collection
1838	>	*/
1839	>	public void testTimedInvokeAll2() throws InterruptedException {
1840	>	ExecutorService e =
1841	>	new ThreadPoolExecutor(2, 2,
1842	>	LONG_DELAY_MS, MILLISECONDS,
1843	>	new ArrayBlockingQueue<Runnable>(10));
1844		try {
1845	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1846	<	} catch(Exception e){}
1847	<
1848	<	try {
1849	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1845	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1846	>	assertTrue(r.isEmpty());
1847	>	} finally {
1848	>	joinPool(e);
1849	>	}
1850	>	}
1851	>
1852	>	/**
1853	>	* timed invokeAll(c) throws NPE if c has null elements
1854	>	*/
1855	>	public void testTimedInvokeAll3() throws Exception {
1856	>	ExecutorService e =
1857	>	new ThreadPoolExecutor(2, 2,
1858	>	LONG_DELAY_MS, MILLISECONDS,
1859	>	new ArrayBlockingQueue<Runnable>(10));
1860	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1861	>	l.add(new StringTask());
1862	>	l.add(null);
1863	>	try {
1864	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1865		shouldThrow();
1866	<	} catch(IllegalArgumentException success){
1866	>	} catch (NullPointerException success) {
1867		} finally {
1868	<	tpe.shutdown();
1868	>	joinPool(e);
1869		}
695	–	joinPool(tpe);
1870		}
1871	<
1871	>
1872	>	/**
1873	>	* get of element of invokeAll(c) throws exception on failed task
1874	>	*/
1875	>	public void testTimedInvokeAll4() throws Exception {
1876	>	ExecutorService e =
1877	>	new ThreadPoolExecutor(2, 2,
1878	>	LONG_DELAY_MS, MILLISECONDS,
1879	>	new ArrayBlockingQueue<Runnable>(10));
1880	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1881	>	l.add(new NPETask());
1882	>	List<Future<String>> futures =
1883	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1884	>	assertEquals(1, futures.size());
1885	>	try {
1886	>	futures.get(0).get();
1887	>	shouldThrow();
1888	>	} catch (ExecutionException success) {
1889	>	assertTrue(success.getCause() instanceof NullPointerException);
1890	>	} finally {
1891	>	joinPool(e);
1892	>	}
1893	>	}
1894	>
1895	>	/**
1896	>	* timed invokeAll(c) returns results of all completed tasks
1897	>	*/
1898	>	public void testTimedInvokeAll5() throws Exception {
1899	>	ExecutorService e =
1900	>	new ThreadPoolExecutor(2, 2,
1901	>	LONG_DELAY_MS, MILLISECONDS,
1902	>	new ArrayBlockingQueue<Runnable>(10));
1903	>	try {
1904	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1905	>	l.add(new StringTask());
1906	>	l.add(new StringTask());
1907	>	List<Future<String>> futures =
1908	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1909	>	assertEquals(2, futures.size());
1910	>	for (Future<String> future : futures)
1911	>	assertSame(TEST_STRING, future.get());
1912	>	} finally {
1913	>	joinPool(e);
1914	>	}
1915	>	}
1916	>
1917	>	/**
1918	>	* timed invokeAll(c) cancels tasks not completed by timeout
1919	>	*/
1920	>	public void testTimedInvokeAll6() throws Exception {
1921	>	ExecutorService e =
1922	>	new ThreadPoolExecutor(2, 2,
1923	>	LONG_DELAY_MS, MILLISECONDS,
1924	>	new ArrayBlockingQueue<Runnable>(10));
1925	>	try {
1926	>	for (long timeout = timeoutMillis();;) {
1927	>	List<Callable<String>> tasks = new ArrayList<>();
1928	>	tasks.add(new StringTask("0"));
1929	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1930	>	tasks.add(new StringTask("2"));
1931	>	long startTime = System.nanoTime();
1932	>	List<Future<String>> futures =
1933	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1934	>	assertEquals(tasks.size(), futures.size());
1935	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1936	>	for (Future future : futures)
1937	>	assertTrue(future.isDone());
1938	>	assertTrue(futures.get(1).isCancelled());
1939	>	try {
1940	>	assertEquals("0", futures.get(0).get());
1941	>	assertEquals("2", futures.get(2).get());
1942	>	break;
1943	>	} catch (CancellationException retryWithLongerTimeout) {
1944	>	timeout *= 2;
1945	>	if (timeout >= LONG_DELAY_MS / 2)
1946	>	fail("expected exactly one task to be cancelled");
1947	>	}
1948	>	}
1949	>	} finally {
1950	>	joinPool(e);
1951	>	}
1952	>	}
1953	>
1954	>	/**
1955	>	* Execution continues if there is at least one thread even if
1956	>	* thread factory fails to create more
1957	>	*/
1958	>	public void testFailingThreadFactory() throws InterruptedException {
1959	>	final ExecutorService e =
1960	>	new ThreadPoolExecutor(100, 100,
1961	>	LONG_DELAY_MS, MILLISECONDS,
1962	>	new LinkedBlockingQueue<Runnable>(),
1963	>	new FailingThreadFactory());
1964	>	try {
1965	>	final int TASKS = 100;
1966	>	final CountDownLatch done = new CountDownLatch(TASKS);
1967	>	for (int k = 0; k < TASKS; ++k)
1968	>	e.execute(new CheckedRunnable() {
1969	>	public void realRun() {
1970	>	done.countDown();
1971	>	}});
1972	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1973	>	} finally {
1974	>	joinPool(e);
1975	>	}
1976	>	}
1977	>
1978	>	/**
1979	>	* allowsCoreThreadTimeOut is by default false.
1980	>	*/
1981	>	public void testAllowsCoreThreadTimeOut() {
1982	>	final ThreadPoolExecutor p =
1983	>	new ThreadPoolExecutor(2, 2,
1984	>	1000, MILLISECONDS,
1985	>	new ArrayBlockingQueue<Runnable>(10));
1986	>	assertFalse(p.allowsCoreThreadTimeOut());
1987	>	joinPool(p);
1988	>	}
1989	>
1990	>	/**
1991	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1992	>	*/
1993	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1994	>	long keepAliveTime = timeoutMillis();
1995	>	final ThreadPoolExecutor p =
1996	>	new ThreadPoolExecutor(2, 10,
1997	>	keepAliveTime, MILLISECONDS,
1998	>	new ArrayBlockingQueue<Runnable>(10));
1999	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2000	>	try {
2001	>	p.allowCoreThreadTimeOut(true);
2002	>	p.execute(new CheckedRunnable() {
2003	>	public void realRun() {
2004	>	threadStarted.countDown();
2005	>	assertEquals(1, p.getPoolSize());
2006	>	}});
2007	>	await(threadStarted);
2008	>	delay(keepAliveTime);
2009	>	long startTime = System.nanoTime();
2010	>	while (p.getPoolSize() > 0
2011	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2012	>	Thread.yield();
2013	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2014	>	assertEquals(0, p.getPoolSize());
2015	>	} finally {
2016	>	joinPool(p);
2017	>	}
2018	>	}
2019	>
2020	>	/**
2021	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2022	>	*/
2023	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2024	>	long keepAliveTime = timeoutMillis();
2025	>	final ThreadPoolExecutor p =
2026	>	new ThreadPoolExecutor(2, 10,
2027	>	keepAliveTime, MILLISECONDS,
2028	>	new ArrayBlockingQueue<Runnable>(10));
2029	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2030	>	try {
2031	>	p.allowCoreThreadTimeOut(false);
2032	>	p.execute(new CheckedRunnable() {
2033	>	public void realRun() throws InterruptedException {
2034	>	threadStarted.countDown();
2035	>	assertTrue(p.getPoolSize() >= 1);
2036	>	}});
2037	>	delay(2 * keepAliveTime);
2038	>	assertTrue(p.getPoolSize() >= 1);
2039	>	} finally {
2040	>	joinPool(p);
2041	>	}
2042	>	}
2043	>
2044	>	/**
2045	>	* execute allows the same task to be submitted multiple times, even
2046	>	* if rejected
2047	>	*/
2048	>	public void testRejectedRecycledTask() throws InterruptedException {
2049	>	final int nTasks = 1000;
2050	>	final CountDownLatch done = new CountDownLatch(nTasks);
2051	>	final Runnable recycledTask = new Runnable() {
2052	>	public void run() {
2053	>	done.countDown();
2054	>	}};
2055	>	final ThreadPoolExecutor p =
2056	>	new ThreadPoolExecutor(1, 30,
2057	>	60, SECONDS,
2058	>	new ArrayBlockingQueue(30));
2059	>	try {
2060	>	for (int i = 0; i < nTasks; ++i) {
2061	>	for (;;) {
2062	>	try {
2063	>	p.execute(recycledTask);
2064	>	break;
2065	>	}
2066	>	catch (RejectedExecutionException ignore) {}
2067	>	}
2068	>	}
2069	>	// enough time to run all tasks
2070	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2071	>	} finally {
2072	>	joinPool(p);
2073	>	}
2074	>	}
2075	>
2076	>	/**
2077	>	* get(cancelled task) throws CancellationException
2078	>	*/
2079	>	public void testGet_cancelled() throws Exception {
2080	>	final ExecutorService e =
2081	>	new ThreadPoolExecutor(1, 1,
2082	>	LONG_DELAY_MS, MILLISECONDS,
2083	>	new LinkedBlockingQueue<Runnable>());
2084	>	try {
2085	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2086	>	final CountDownLatch done = new CountDownLatch(1);
2087	>	final List<Future<?>> futures = new ArrayList<>();
2088	>	for (int i = 0; i < 2; i++) {
2089	>	Runnable r = new CheckedRunnable() { public void realRun()
2090	>	throws Throwable {
2091	>	blockerStarted.countDown();
2092	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2093	>	}};
2094	>	futures.add(e.submit(r));
2095	>	}
2096	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2097	>	for (Future<?> future : futures) future.cancel(false);
2098	>	for (Future<?> future : futures) {
2099	>	try {
2100	>	future.get();
2101	>	shouldThrow();
2102	>	} catch (CancellationException success) {}
2103	>	try {
2104	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2105	>	shouldThrow();
2106	>	} catch (CancellationException success) {}
2107	>	assertTrue(future.isCancelled());
2108	>	assertTrue(future.isDone());
2109	>	}
2110	>	done.countDown();
2111	>	} finally {
2112	>	joinPool(e);
2113	>	}
2114	>	}
2115	>
2116		}

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