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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.81 by jsr166, Sun Oct 4 02:24:49 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	<	* For use as RejectedExecutionHandler in constructors
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102		*/
103	<	static class MyREHandler implements RejectedExecutionHandler{
104	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
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	<
123	>
124		/**
125	<	*   execute successfully executes a runnable
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127	<	public void testExecute() {
128	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129	<	try {
130	<	p1.execute(new Runnable() {
131	<	public void run() {
132	<	try {
133	<	Thread.sleep(SHORT_DELAY_MS);
134	<	} catch(InterruptedException e){
135	<	threadUnexpectedException();
136	<	}
137	<	}
138	<	});
139	<	Thread.sleep(SMALL_DELAY_MS);
140	<	} catch(InterruptedException e){
141	<	unexpectedException();
142	<	}
143	<	joinPool(p1);
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	<	*   getActiveCount gives correct values
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153	<	public void testGetActiveCount() {
154	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	assertEquals(0, p2.getActiveCount());
156	<	p2.execute(new MediumRunnable());
157	<	try {
158	<	Thread.sleep(SHORT_DELAY_MS);
159	<	} catch(Exception e){
160	<	unexpectedException();
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		}
70	–	assertEquals(1, p2.getActiveCount());
71	–	joinPool(p2);
170		}
171	<
171	>
172		/**
173	<	*   getCompleteTaskCount gives correct values
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175		*/
176	<	public void testGetCompletedTaskCount() {
177	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
178	<	assertEquals(0, p2.getCompletedTaskCount());
179	<	p2.execute(new ShortRunnable());
180	<	try {
181	<	Thread.sleep(MEDIUM_DELAY_MS);
182	<	} catch(Exception e){
183	<	unexpectedException();
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	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		}
86	–	assertEquals(1, p2.getCompletedTaskCount());
87	–	p2.shutdown();
88	–	joinPool(p2);
204		}
205	<
205	>
206		/**
207	<	*   getCorePoolSize gives correct values
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209		public void testGetCorePoolSize() {
210	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	assertEquals(1, p1.getCorePoolSize());
212	<	joinPool(p1);
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	<	*   getKeepAliveTime gives correct values
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222		public void testGetKeepAliveTime() {
223	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
225	<	joinPool(p2);
226	<	}
227	<
228	<	/**
229	<	*   getLargestPoolSize gives correct values
230	<	*/
231	<	public void testGetLargestPoolSize() {
232	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
233	<	try {
234	<	assertEquals(0, p2.getLargestPoolSize());
235	<	p2.execute(new MediumRunnable());
236	<	p2.execute(new MediumRunnable());
237	<	Thread.sleep(SHORT_DELAY_MS);
238	<	assertEquals(2, p2.getLargestPoolSize());
239	<	} catch(Exception e){
240	<	unexpectedException();
241	<	}
242	<	joinPool(p2);
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	>	* getThreadFactory returns factory in constructor if not set
234	>	*/
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246	>	}
247	>
248	>	/**
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250	>	*/
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	>
263	>	/**
264	>	* setThreadFactory(null) throws NPE
265	>	*/
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	>
279	>	/**
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281	>	*/
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	>
294	>	/**
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297	>	*/
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	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
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	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
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 gives correct values
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357		*/
358		public void testGetMaximumPoolSize() {
359	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360	<	assertEquals(2, p2.getMaximumPoolSize());
361	<	joinPool(p2);
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 gives correct values
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375		*/
376	<	public void testGetPoolSize() {
377	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
378	<	assertEquals(0, p1.getPoolSize());
379	<	p1.execute(new MediumRunnable());
380	<	assertEquals(1, p1.getPoolSize());
381	<	joinPool(p1);
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	<
396	>
397		/**
398	<	*   getTaskCount gives correct values
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399		*/
400	<	public void testGetTaskCount() {
401	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
402	<	try {
403	<	assertEquals(0, p1.getTaskCount());
404	<	p1.execute(new MediumRunnable());
405	<	Thread.sleep(SHORT_DELAY_MS);
406	<	assertEquals(1, p1.getTaskCount());
407	<	} catch(Exception e){
408	<	unexpectedException();
409	<	}
410	<	joinPool(p1);
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	>	}
419		}
420	<
420	>
421		/**
422	<	*   isShutDown gives correct values
422	>	* isShutdown is false before shutdown, true after
423		*/
424		public void testIsShutdown() {
425	<
426	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
427	<	assertFalse(p1.isShutdown());
428	<	p1.shutdown();
429	<	assertTrue(p1.isShutdown());
430	<	joinPool(p1);
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	assertFalse(p.isShutdown());
430	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
431	>	assertTrue(p.isShutdown());
432	>	joinPool(p);
433		}
434
174	–
435		/**
436	<	*   isTerminated gives correct values
177	<	*  Makes sure termination does not take an innapropriate
178	<	*  amount of time
436	>	* awaitTermination on a non-shutdown pool times out
437		*/
438	<	public void testIsTerminated() {
439	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
440	<	try {
441	<	p1.execute(new MediumRunnable());
438	>	public void testAwaitTermination_timesOut() throws InterruptedException {
439	>	final ThreadPoolExecutor p =
440	>	new ThreadPoolExecutor(1, 1,
441	>	LONG_DELAY_MS, MILLISECONDS,
442	>	new ArrayBlockingQueue<Runnable>(10));
443	>	assertFalse(p.isTerminated());
444	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
445	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
446	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
450	>	long timeoutNanos = 999999L;
451	>	long startTime = System.nanoTime();
452	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
453	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
454	>	assertFalse(p.isTerminated());
455	>	startTime = System.nanoTime();
456	>	long timeoutMillis = timeoutMillis();
457	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
458	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
459	>	assertFalse(p.isTerminated());
460	>	p.shutdown();
461	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
462	>	assertTrue(p.isTerminated());
463	>	}
464	>
465	>	/**
466	>	* isTerminated is false before termination, true after
467	>	*/
468	>	public void testIsTerminated() throws InterruptedException {
469	>	final ThreadPoolExecutor p =
470	>	new ThreadPoolExecutor(1, 1,
471	>	LONG_DELAY_MS, MILLISECONDS,
472	>	new ArrayBlockingQueue<Runnable>(10));
473	>	final CountDownLatch threadStarted = new CountDownLatch(1);
474	>	final CountDownLatch done = new CountDownLatch(1);
475	>	assertFalse(p.isTerminated());
476	>	try {
477	>	p.execute(new CheckedRunnable() {
478	>	public void realRun() throws InterruptedException {
479	>	assertFalse(p.isTerminated());
480	>	threadStarted.countDown();
481	>	done.await();
482	>	}});
483	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
484	>	assertFalse(p.isTerminating());
485	>	done.countDown();
486		} finally {
487	<	p1.shutdown();
487	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
488		}
489	<	try {
490	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189	<	assertTrue(p1.isTerminated());
190	<	} catch(Exception e){
191	<	unexpectedException();
192	<	}
489	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
490	>	assertTrue(p.isTerminated());
491		}
492
493		/**
494	<	*  isTerminating gives correct values
494	>	* isTerminating is not true when running or when terminated
495		*/
496	<	public void testIsTerminating() {
497	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
498	<	assertFalse(p1.isTerminating());
499	<	try {
500	<	p1.execute(new SmallRunnable());
501	<	assertFalse(p1.isTerminating());
496	>	public void testIsTerminating() throws InterruptedException {
497	>	final ThreadPoolExecutor p =
498	>	new ThreadPoolExecutor(1, 1,
499	>	LONG_DELAY_MS, MILLISECONDS,
500	>	new ArrayBlockingQueue<Runnable>(10));
501	>	final CountDownLatch threadStarted = new CountDownLatch(1);
502	>	final CountDownLatch done = new CountDownLatch(1);
503	>	try {
504	>	assertFalse(p.isTerminating());
505	>	p.execute(new CheckedRunnable() {
506	>	public void realRun() throws InterruptedException {
507	>	assertFalse(p.isTerminating());
508	>	threadStarted.countDown();
509	>	done.await();
510	>	}});
511	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
512	>	assertFalse(p.isTerminating());
513	>	done.countDown();
514		} finally {
515	<	p1.shutdown();
515	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
516		}
517	<	try {
518	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
519	<	assertTrue(p1.isTerminated());
210	<	assertFalse(p1.isTerminating());
211	<	} catch(Exception e){
212	<	unexpectedException();
213	<	}
517	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
518	>	assertTrue(p.isTerminated());
519	>	assertFalse(p.isTerminating());
520		}
521
522		/**
523	<	*   purge correctly removes cancelled tasks
218	<	*  from the queue
523	>	* getQueue returns the work queue, which contains queued tasks
524		*/
525	<	public void testPurge() {
526	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
527	<	CancellableTask[] tasks = new CancellableTask[5];
528	<	for(int i = 0; i < 5; i++){
529	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
530	<	p1.execute(tasks[i]);
525	>	public void testGetQueue() throws InterruptedException {
526	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
527	>	final ThreadPoolExecutor p =
528	>	new ThreadPoolExecutor(1, 1,
529	>	LONG_DELAY_MS, MILLISECONDS,
530	>	q);
531	>	final CountDownLatch threadStarted = new CountDownLatch(1);
532	>	final CountDownLatch done = new CountDownLatch(1);
533	>	try {
534	>	FutureTask[] tasks = new FutureTask[5];
535	>	for (int i = 0; i < tasks.length; i++) {
536	>	Callable task = new CheckedCallable<Boolean>() {
537	>	public Boolean realCall() throws InterruptedException {
538	>	threadStarted.countDown();
539	>	assertSame(q, p.getQueue());
540	>	done.await();
541	>	return Boolean.TRUE;
542	>	}};
543	>	tasks[i] = new FutureTask(task);
544	>	p.execute(tasks[i]);
545	>	}
546	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
547	>	assertSame(q, p.getQueue());
548	>	assertFalse(q.contains(tasks[0]));
549	>	assertTrue(q.contains(tasks[tasks.length - 1]));
550	>	assertEquals(tasks.length - 1, q.size());
551	>	} finally {
552	>	done.countDown();
553	>	joinPool(p);
554		}
227	–	tasks[4].cancel(true);
228	–	tasks[3].cancel(true);
229	–	p1.purge();
230	–	long count = p1.getTaskCount();
231	–	assertTrue(count >= 2 && count < 5);
232	–	joinPool(p1);
555		}
556
557		/**
558	<	*   shutDownNow returns a list
237	<	*  containing the correct number of elements
558	>	* remove(task) removes queued task, and fails to remove active task
559		*/
560	<	public void testShutDownNow() {
561	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
562	<	List l;
563	<	try {
564	<	for(int i = 0; i < 5; i++)
565	<	p1.execute(new MediumPossiblyInterruptedRunnable());
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	>	Runnable[] tasks = new Runnable[5];
567	>	final CountDownLatch threadStarted = new CountDownLatch(1);
568	>	final CountDownLatch done = new CountDownLatch(1);
569	>	try {
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	>	} finally {
589	>	done.countDown();
590	>	joinPool(p);
591		}
592	<	finally {
593	<	l = p1.shutdownNow();
592	>	}
593	>
594	>	/**
595	>	* purge removes cancelled tasks from the queue
596	>	*/
597	>	public void testPurge() throws InterruptedException {
598	>	final CountDownLatch threadStarted = new CountDownLatch(1);
599	>	final CountDownLatch done = new CountDownLatch(1);
600	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
601	>	final ThreadPoolExecutor p =
602	>	new ThreadPoolExecutor(1, 1,
603	>	LONG_DELAY_MS, MILLISECONDS,
604	>	q);
605	>	FutureTask[] tasks = new FutureTask[5];
606	>	try {
607	>	for (int i = 0; i < tasks.length; i++) {
608	>	Callable task = new CheckedCallable<Boolean>() {
609	>	public Boolean realCall() throws InterruptedException {
610	>	threadStarted.countDown();
611	>	done.await();
612	>	return Boolean.TRUE;
613	>	}};
614	>	tasks[i] = new FutureTask(task);
615	>	p.execute(tasks[i]);
616	>	}
617	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
618	>	assertEquals(tasks.length, p.getTaskCount());
619	>	assertEquals(tasks.length - 1, q.size());
620	>	assertEquals(1L, p.getActiveCount());
621	>	assertEquals(0L, p.getCompletedTaskCount());
622	>	tasks[4].cancel(true);
623	>	tasks[3].cancel(false);
624	>	p.purge();
625	>	assertEquals(tasks.length - 3, q.size());
626	>	assertEquals(tasks.length - 2, p.getTaskCount());
627	>	p.purge();         // Nothing to do
628	>	assertEquals(tasks.length - 3, q.size());
629	>	assertEquals(tasks.length - 2, p.getTaskCount());
630	>	} finally {
631	>	done.countDown();
632	>	joinPool(p);
633		}
634	<	assertTrue(p1.isShutdown());
635	<	assertTrue(l.size() <= 4);
634	>	}
635	>
636	>	/**
637	>	* shutdownNow returns a list containing tasks that were not run,
638	>	* and those tasks are drained from the queue
639	>	*/
640	>	public void testShutdownNow() throws InterruptedException {
641	>	final int poolSize = 2;
642	>	final int count = 5;
643	>	final AtomicInteger ran = new AtomicInteger(0);
644	>	final ThreadPoolExecutor p =
645	>	new ThreadPoolExecutor(poolSize, poolSize,
646	>	LONG_DELAY_MS, MILLISECONDS,
647	>	new ArrayBlockingQueue<Runnable>(10));
648	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
649	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
650	>	threadsStarted.countDown();
651	>	try {
652	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
653	>	} catch (InterruptedException success) {}
654	>	ran.getAndIncrement();
655	>	}};
656	>	for (int i = 0; i < count; i++)
657	>	p.execute(waiter);
658	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
659	>	assertEquals(poolSize, p.getActiveCount());
660	>	assertEquals(0, p.getCompletedTaskCount());
661	>	final List<Runnable> queuedTasks;
662	>	try {
663	>	queuedTasks = p.shutdownNow();
664	>	} catch (SecurityException ok) {
665	>	return; // Allowed in case test doesn't have privs
666	>	}
667	>	assertTrue(p.isShutdown());
668	>	assertTrue(p.getQueue().isEmpty());
669	>	assertEquals(count - poolSize, queuedTasks.size());
670	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
671	>	assertTrue(p.isTerminated());
672	>	assertEquals(poolSize, ran.get());
673	>	assertEquals(poolSize, p.getCompletedTaskCount());
674		}
675
676		// Exception Tests
254	–
677
678	<	/** Throws if corePoolSize argument is less than zero */
678	>	/**
679	>	* Constructor throws if corePoolSize argument is less than zero
680	>	*/
681		public void testConstructor1() {
682		try {
683	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
683	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
684	>	new ArrayBlockingQueue<Runnable>(10));
685		shouldThrow();
686	<	}
262	<	catch (IllegalArgumentException success){}
686	>	} catch (IllegalArgumentException success) {}
687		}
688	<
689	<	/** Throws if maximumPoolSize is less than zero */
688	>
689	>	/**
690	>	* Constructor throws if maximumPoolSize is less than zero
691	>	*/
692		public void testConstructor2() {
693		try {
694	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
694	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
695	>	new ArrayBlockingQueue<Runnable>(10));
696		shouldThrow();
697	<	}
271	<	catch (IllegalArgumentException success){}
697	>	} catch (IllegalArgumentException success) {}
698		}
699	<
700	<	/** Throws if maximumPoolSize is equal to zero */
699	>
700	>	/**
701	>	* Constructor throws if maximumPoolSize is equal to zero
702	>	*/
703		public void testConstructor3() {
704		try {
705	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
705	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
706	>	new ArrayBlockingQueue<Runnable>(10));
707		shouldThrow();
708	<	}
280	<	catch (IllegalArgumentException success){}
708	>	} catch (IllegalArgumentException success) {}
709		}
710
711	<	/** Throws if keepAliveTime is less than zero */
711	>	/**
712	>	* Constructor throws if keepAliveTime is less than zero
713	>	*/
714		public void testConstructor4() {
715		try {
716	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
716	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
717	>	new ArrayBlockingQueue<Runnable>(10));
718		shouldThrow();
719	<	}
289	<	catch (IllegalArgumentException success){}
719	>	} catch (IllegalArgumentException success) {}
720		}
721
722	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
722	>	/**
723	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
724	>	*/
725		public void testConstructor5() {
726		try {
727	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
727	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
728	>	new ArrayBlockingQueue<Runnable>(10));
729		shouldThrow();
730	<	}
298	<	catch (IllegalArgumentException success){}
730	>	} catch (IllegalArgumentException success) {}
731		}
732	<
733	<	/** Throws if workQueue is set to null */
734	<	public void testNullPointerException() {
732	>
733	>	/**
734	>	* Constructor throws if workQueue is set to null
735	>	*/
736	>	public void testConstructorNullPointerException() {
737		try {
738	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
738	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
739	>	(BlockingQueue) null);
740		shouldThrow();
741	<	}
307	<	catch (NullPointerException success){}
741	>	} catch (NullPointerException success) {}
742		}
309	–
743
744	<
745	<	/** Throws if corePoolSize argument is less than zero */
744	>	/**
745	>	* Constructor throws if corePoolSize argument is less than zero
746	>	*/
747		public void testConstructor6() {
748		try {
749	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
749	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
750	>	new ArrayBlockingQueue<Runnable>(10),
751	>	new SimpleThreadFactory());
752		shouldThrow();
753	<	} catch (IllegalArgumentException success){}
753	>	} catch (IllegalArgumentException success) {}
754		}
755	<
756	<	/** Throws if maximumPoolSize is less than zero */
755	>
756	>	/**
757	>	* Constructor throws if maximumPoolSize is less than zero
758	>	*/
759		public void testConstructor7() {
760		try {
761	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
761	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
762	>	new ArrayBlockingQueue<Runnable>(10),
763	>	new SimpleThreadFactory());
764		shouldThrow();
765	<	}
326	<	catch (IllegalArgumentException success){}
765	>	} catch (IllegalArgumentException success) {}
766		}
767
768	<	/** Throws if maximumPoolSize is equal to zero */
768	>	/**
769	>	* Constructor throws if maximumPoolSize is equal to zero
770	>	*/
771		public void testConstructor8() {
772		try {
773	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
773	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
774	>	new ArrayBlockingQueue<Runnable>(10),
775	>	new SimpleThreadFactory());
776		shouldThrow();
777	<	}
335	<	catch (IllegalArgumentException success){}
777	>	} catch (IllegalArgumentException success) {}
778		}
779
780	<	/** Throws if keepAliveTime is less than zero */
780	>	/**
781	>	* Constructor throws if keepAliveTime is less than zero
782	>	*/
783		public void testConstructor9() {
784		try {
785	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
785	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
786	>	new ArrayBlockingQueue<Runnable>(10),
787	>	new SimpleThreadFactory());
788		shouldThrow();
789	<	}
344	<	catch (IllegalArgumentException success){}
789	>	} catch (IllegalArgumentException success) {}
790		}
791
792	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
792	>	/**
793	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
794	>	*/
795		public void testConstructor10() {
796		try {
797	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
797	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
798	>	new ArrayBlockingQueue<Runnable>(10),
799	>	new SimpleThreadFactory());
800		shouldThrow();
801	<	}
353	<	catch (IllegalArgumentException success){}
801	>	} catch (IllegalArgumentException success) {}
802		}
803
804	<	/** Throws if workQueue is set to null */
805	<	public void testNullPointerException2() {
804	>	/**
805	>	* Constructor throws if workQueue is set to null
806	>	*/
807	>	public void testConstructorNullPointerException2() {
808		try {
809	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
809	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
810	>	(BlockingQueue) null,
811	>	new SimpleThreadFactory());
812		shouldThrow();
813	<	}
362	<	catch (NullPointerException success){}
813	>	} catch (NullPointerException success) {}
814		}
815
816	<	/** Throws if threadFactory is set to null */
817	<	public void testNullPointerException3() {
816	>	/**
817	>	* Constructor throws if threadFactory is set to null
818	>	*/
819	>	public void testConstructorNullPointerException3() {
820		try {
821	<	ThreadFactory f = null;
822	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
821	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
822	>	new ArrayBlockingQueue<Runnable>(10),
823	>	(ThreadFactory) null);
824		shouldThrow();
825	<	}
372	<	catch (NullPointerException success){}
825	>	} catch (NullPointerException success) {}
826		}
827	<
828	<
829	<	/** Throws if corePoolSize argument is less than zero */
827	>
828	>	/**
829	>	* Constructor throws if corePoolSize argument is less than zero
830	>	*/
831		public void testConstructor11() {
832		try {
833	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
833	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
834	>	new ArrayBlockingQueue<Runnable>(10),
835	>	new NoOpREHandler());
836		shouldThrow();
837	<	}
382	<	catch (IllegalArgumentException success){}
837	>	} catch (IllegalArgumentException success) {}
838		}
839
840	<	/** Throws if maximumPoolSize is less than zero */
840	>	/**
841	>	* Constructor throws if maximumPoolSize is less than zero
842	>	*/
843		public void testConstructor12() {
844		try {
845	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
845	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
846	>	new ArrayBlockingQueue<Runnable>(10),
847	>	new NoOpREHandler());
848		shouldThrow();
849	<	}
391	<	catch (IllegalArgumentException success){}
849	>	} catch (IllegalArgumentException success) {}
850		}
851
852	<	/** Throws if maximumPoolSize is equal to zero */
852	>	/**
853	>	* Constructor throws if maximumPoolSize is equal to zero
854	>	*/
855		public void testConstructor13() {
856		try {
857	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
857	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
858	>	new ArrayBlockingQueue<Runnable>(10),
859	>	new NoOpREHandler());
860		shouldThrow();
861	<	}
400	<	catch (IllegalArgumentException success){}
861	>	} catch (IllegalArgumentException success) {}
862		}
863
864	<	/** Throws if keepAliveTime is less than zero */
864	>	/**
865	>	* Constructor throws if keepAliveTime is less than zero
866	>	*/
867		public void testConstructor14() {
868		try {
869	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
869	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
870	>	new ArrayBlockingQueue<Runnable>(10),
871	>	new NoOpREHandler());
872		shouldThrow();
873	<	}
409	<	catch (IllegalArgumentException success){}
873	>	} catch (IllegalArgumentException success) {}
874		}
875
876	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
876	>	/**
877	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
878	>	*/
879		public void testConstructor15() {
880		try {
881	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
881	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
882	>	new ArrayBlockingQueue<Runnable>(10),
883	>	new NoOpREHandler());
884	>	shouldThrow();
885	>	} catch (IllegalArgumentException success) {}
886	>	}
887	>
888	>	/**
889	>	* Constructor throws if workQueue is set to null
890	>	*/
891	>	public void testConstructorNullPointerException4() {
892	>	try {
893	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
894	>	(BlockingQueue) null,
895	>	new NoOpREHandler());
896	>	shouldThrow();
897	>	} catch (NullPointerException success) {}
898	>	}
899	>
900	>	/**
901	>	* Constructor throws if handler is set to null
902	>	*/
903	>	public void testConstructorNullPointerException5() {
904	>	try {
905	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
906	>	new ArrayBlockingQueue<Runnable>(10),
907	>	(RejectedExecutionHandler) null);
908	>	shouldThrow();
909	>	} catch (NullPointerException success) {}
910	>	}
911	>
912	>	/**
913	>	* Constructor throws if corePoolSize argument is less than zero
914	>	*/
915	>	public void testConstructor16() {
916	>	try {
917	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
918	>	new ArrayBlockingQueue<Runnable>(10),
919	>	new SimpleThreadFactory(),
920	>	new NoOpREHandler());
921	>	shouldThrow();
922	>	} catch (IllegalArgumentException success) {}
923	>	}
924	>
925	>	/**
926	>	* Constructor throws if maximumPoolSize is less than zero
927	>	*/
928	>	public void testConstructor17() {
929	>	try {
930	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
931	>	new ArrayBlockingQueue<Runnable>(10),
932	>	new SimpleThreadFactory(),
933	>	new NoOpREHandler());
934	>	shouldThrow();
935	>	} catch (IllegalArgumentException success) {}
936	>	}
937	>
938	>	/**
939	>	* Constructor throws if maximumPoolSize is equal to zero
940	>	*/
941	>	public void testConstructor18() {
942	>	try {
943	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
944	>	new ArrayBlockingQueue<Runnable>(10),
945	>	new SimpleThreadFactory(),
946	>	new NoOpREHandler());
947	>	shouldThrow();
948	>	} catch (IllegalArgumentException success) {}
949	>	}
950	>
951	>	/**
952	>	* Constructor throws if keepAliveTime is less than zero
953	>	*/
954	>	public void testConstructor19() {
955	>	try {
956	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
957	>	new ArrayBlockingQueue<Runnable>(10),
958	>	new SimpleThreadFactory(),
959	>	new NoOpREHandler());
960	>	shouldThrow();
961	>	} catch (IllegalArgumentException success) {}
962	>	}
963	>
964	>	/**
965	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
966	>	*/
967	>	public void testConstructor20() {
968	>	try {
969	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
970	>	new ArrayBlockingQueue<Runnable>(10),
971	>	new SimpleThreadFactory(),
972	>	new NoOpREHandler());
973		shouldThrow();
974	+	} catch (IllegalArgumentException success) {}
975	+	}
976	+
977	+	/**
978	+	* Constructor throws if workQueue is null
979	+	*/
980	+	public void testConstructorNullPointerException6() {
981	+	try {
982	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
983	+	(BlockingQueue) null,
984	+	new SimpleThreadFactory(),
985	+	new NoOpREHandler());
986	+	shouldThrow();
987	+	} catch (NullPointerException success) {}
988	+	}
989	+
990	+	/**
991	+	* Constructor throws if handler is null
992	+	*/
993	+	public void testConstructorNullPointerException7() {
994	+	try {
995	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
996	+	new ArrayBlockingQueue<Runnable>(10),
997	+	new SimpleThreadFactory(),
998	+	(RejectedExecutionHandler) null);
999	+	shouldThrow();
1000	+	} catch (NullPointerException success) {}
1001	+	}
1002	+
1003	+	/**
1004	+	* Constructor throws if ThreadFactory is null
1005	+	*/
1006	+	public void testConstructorNullPointerException8() {
1007	+	try {
1008	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1009	+	new ArrayBlockingQueue<Runnable>(10),
1010	+	(ThreadFactory) null,
1011	+	new NoOpREHandler());
1012	+	shouldThrow();
1013	+	} catch (NullPointerException success) {}
1014	+	}
1015	+
1016	+	/**
1017	+	* get of submitted callable throws InterruptedException if interrupted
1018	+	*/
1019	+	public void testInterruptedSubmit() throws InterruptedException {
1020	+	final ThreadPoolExecutor p =
1021	+	new ThreadPoolExecutor(1, 1,
1022	+	60, SECONDS,
1023	+	new ArrayBlockingQueue<Runnable>(10));
1024	+
1025	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1026	+	final CountDownLatch done = new CountDownLatch(1);
1027	+	try {
1028	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1029	+	public void realRun() throws Exception {
1030	+	Callable task = new CheckedCallable<Boolean>() {
1031	+	public Boolean realCall() throws InterruptedException {
1032	+	threadStarted.countDown();
1033	+	done.await();
1034	+	return Boolean.TRUE;
1035	+	}};
1036	+	p.submit(task).get();
1037	+	}});
1038	+
1039	+	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1040	+	t.interrupt();
1041	+	awaitTermination(t, MEDIUM_DELAY_MS);
1042	+	} finally {
1043	+	done.countDown();
1044	+	joinPool(p);
1045	+	}
1046	+	}
1047	+
1048	+	/**
1049	+	* execute throws RejectedExecutionException if saturated.
1050	+	*/
1051	+	public void testSaturatedExecute() {
1052	+	ThreadPoolExecutor p =
1053	+	new ThreadPoolExecutor(1, 1,
1054	+	LONG_DELAY_MS, MILLISECONDS,
1055	+	new ArrayBlockingQueue<Runnable>(1));
1056	+	final CountDownLatch done = new CountDownLatch(1);
1057	+	try {
1058	+	Runnable task = new CheckedRunnable() {
1059	+	public void realRun() throws InterruptedException {
1060	+	done.await();
1061	+	}};
1062	+	for (int i = 0; i < 2; ++i)
1063	+	p.execute(task);
1064	+	for (int i = 0; i < 2; ++i) {
1065	+	try {
1066	+	p.execute(task);
1067	+	shouldThrow();
1068	+	} catch (RejectedExecutionException success) {}
1069	+	assertTrue(p.getTaskCount() <= 2);
1070	+	}
1071	+	} finally {
1072	+	done.countDown();
1073	+	joinPool(p);
1074	+	}
1075	+	}
1076	+
1077	+	/**
1078	+	* submit(runnable) throws RejectedExecutionException if saturated.
1079	+	*/
1080	+	public void testSaturatedSubmitRunnable() {
1081	+	ThreadPoolExecutor p =
1082	+	new ThreadPoolExecutor(1, 1,
1083	+	LONG_DELAY_MS, MILLISECONDS,
1084	+	new ArrayBlockingQueue<Runnable>(1));
1085	+	final CountDownLatch done = new CountDownLatch(1);
1086	+	try {
1087	+	Runnable task = new CheckedRunnable() {
1088	+	public void realRun() throws InterruptedException {
1089	+	done.await();
1090	+	}};
1091	+	for (int i = 0; i < 2; ++i)
1092	+	p.submit(task);
1093	+	for (int i = 0; i < 2; ++i) {
1094	+	try {
1095	+	p.execute(task);
1096	+	shouldThrow();
1097	+	} catch (RejectedExecutionException success) {}
1098	+	assertTrue(p.getTaskCount() <= 2);
1099	+	}
1100	+	} finally {
1101	+	done.countDown();
1102	+	joinPool(p);
1103		}
418	–	catch (IllegalArgumentException success){}
1104		}
1105
1106	<	/** Throws if workQueue is set to null */
1107	<	public void testNullPointerException4() {
1106	>	/**
1107	>	* submit(callable) throws RejectedExecutionException if saturated.
1108	>	*/
1109	>	public void testSaturatedSubmitCallable() {
1110	>	ThreadPoolExecutor p =
1111	>	new ThreadPoolExecutor(1, 1,
1112	>	LONG_DELAY_MS, MILLISECONDS,
1113	>	new ArrayBlockingQueue<Runnable>(1));
1114	>	final CountDownLatch done = new CountDownLatch(1);
1115	>	try {
1116	>	Runnable task = new CheckedRunnable() {
1117	>	public void realRun() throws InterruptedException {
1118	>	done.await();
1119	>	}};
1120	>	for (int i = 0; i < 2; ++i)
1121	>	p.submit(Executors.callable(task));
1122	>	for (int i = 0; i < 2; ++i) {
1123	>	try {
1124	>	p.execute(task);
1125	>	shouldThrow();
1126	>	} catch (RejectedExecutionException success) {}
1127	>	assertTrue(p.getTaskCount() <= 2);
1128	>	}
1129	>	} finally {
1130	>	done.countDown();
1131	>	joinPool(p);
1132	>	}
1133	>	}
1134	>
1135	>	/**
1136	>	* executor using CallerRunsPolicy runs task if saturated.
1137	>	*/
1138	>	public void testSaturatedExecute2() {
1139	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1140	>	final ThreadPoolExecutor p =
1141	>	new ThreadPoolExecutor(1, 1,
1142	>	LONG_DELAY_MS,
1143	>	MILLISECONDS,
1144	>	new ArrayBlockingQueue<Runnable>(1),
1145	>	h);
1146	>	try {
1147	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1148	>	for (int i = 0; i < tasks.length; ++i)
1149	>	tasks[i] = new TrackedNoOpRunnable();
1150	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1151	>	p.execute(mr);
1152	>	for (int i = 0; i < tasks.length; ++i)
1153	>	p.execute(tasks[i]);
1154	>	for (int i = 1; i < tasks.length; ++i)
1155	>	assertTrue(tasks[i].done);
1156	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1157	>	} finally {
1158	>	joinPool(p);
1159	>	}
1160	>	}
1161	>
1162	>	/**
1163	>	* executor using DiscardPolicy drops task if saturated.
1164	>	*/
1165	>	public void testSaturatedExecute3() {
1166	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1167	>	final ThreadPoolExecutor p =
1168	>	new ThreadPoolExecutor(1, 1,
1169	>	LONG_DELAY_MS, MILLISECONDS,
1170	>	new ArrayBlockingQueue<Runnable>(1),
1171	>	h);
1172	>	try {
1173	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1174	>	for (int i = 0; i < tasks.length; ++i)
1175	>	tasks[i] = new TrackedNoOpRunnable();
1176	>	p.execute(new TrackedLongRunnable());
1177	>	for (TrackedNoOpRunnable task : tasks)
1178	>	p.execute(task);
1179	>	for (TrackedNoOpRunnable task : tasks)
1180	>	assertFalse(task.done);
1181	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1182	>	} finally {
1183	>	joinPool(p);
1184	>	}
1185	>	}
1186	>
1187	>	/**
1188	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1189	>	*/
1190	>	public void testSaturatedExecute4() {
1191	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1192	>	final ThreadPoolExecutor p =
1193	>	new ThreadPoolExecutor(1, 1,
1194	>	LONG_DELAY_MS, MILLISECONDS,
1195	>	new ArrayBlockingQueue<Runnable>(1),
1196	>	h);
1197	>	try {
1198	>	p.execute(new TrackedLongRunnable());
1199	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1200	>	p.execute(r2);
1201	>	assertTrue(p.getQueue().contains(r2));
1202	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1203	>	p.execute(r3);
1204	>	assertFalse(p.getQueue().contains(r2));
1205	>	assertTrue(p.getQueue().contains(r3));
1206	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1207	>	} finally {
1208	>	joinPool(p);
1209	>	}
1210	>	}
1211	>
1212	>	/**
1213	>	* execute throws RejectedExecutionException if shutdown
1214	>	*/
1215	>	public void testRejectedExecutionExceptionOnShutdown() {
1216	>	ThreadPoolExecutor p =
1217	>	new ThreadPoolExecutor(1, 1,
1218	>	LONG_DELAY_MS, MILLISECONDS,
1219	>	new ArrayBlockingQueue<Runnable>(1));
1220	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1221		try {
1222	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1222	>	p.execute(new NoOpRunnable());
1223		shouldThrow();
1224	+	} catch (RejectedExecutionException success) {}
1225	+
1226	+	joinPool(p);
1227	+	}
1228	+
1229	+	/**
1230	+	* execute using CallerRunsPolicy drops task on shutdown
1231	+	*/
1232	+	public void testCallerRunsOnShutdown() {
1233	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1234	+	final ThreadPoolExecutor p =
1235	+	new ThreadPoolExecutor(1, 1,
1236	+	LONG_DELAY_MS, MILLISECONDS,
1237	+	new ArrayBlockingQueue<Runnable>(1), h);
1238	+
1239	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1240	+	try {
1241	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1242	+	p.execute(r);
1243	+	assertFalse(r.done);
1244	+	} finally {
1245	+	joinPool(p);
1246	+	}
1247	+	}
1248	+
1249	+	/**
1250	+	* execute using DiscardPolicy drops task on shutdown
1251	+	*/
1252	+	public void testDiscardOnShutdown() {
1253	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1254	+	ThreadPoolExecutor p =
1255	+	new ThreadPoolExecutor(1, 1,
1256	+	LONG_DELAY_MS, MILLISECONDS,
1257	+	new ArrayBlockingQueue<Runnable>(1),
1258	+	h);
1259	+
1260	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1261	+	try {
1262	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1263	+	p.execute(r);
1264	+	assertFalse(r.done);
1265	+	} finally {
1266	+	joinPool(p);
1267		}
427	–	catch (NullPointerException success){}
1268		}
1269
1270	<	/** Throws if handler is set to null */
1271	<	public void testNullPointerException5() {
1270	>	/**
1271	>	* execute using DiscardOldestPolicy drops task on shutdown
1272	>	*/
1273	>	public void testDiscardOldestOnShutdown() {
1274	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1275	>	ThreadPoolExecutor p =
1276	>	new ThreadPoolExecutor(1, 1,
1277	>	LONG_DELAY_MS, MILLISECONDS,
1278	>	new ArrayBlockingQueue<Runnable>(1),
1279	>	h);
1280	>
1281	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1282	>	try {
1283	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1284	>	p.execute(r);
1285	>	assertFalse(r.done);
1286	>	} finally {
1287	>	joinPool(p);
1288	>	}
1289	>	}
1290	>
1291	>	/**
1292	>	* execute(null) throws NPE
1293	>	*/
1294	>	public void testExecuteNull() {
1295	>	ThreadPoolExecutor p =
1296	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1297	>	new ArrayBlockingQueue<Runnable>(10));
1298	>	try {
1299	>	p.execute(null);
1300	>	shouldThrow();
1301	>	} catch (NullPointerException success) {}
1302	>
1303	>	joinPool(p);
1304	>	}
1305	>
1306	>	/**
1307	>	* setCorePoolSize of negative value throws IllegalArgumentException
1308	>	*/
1309	>	public void testCorePoolSizeIllegalArgumentException() {
1310	>	ThreadPoolExecutor p =
1311	>	new ThreadPoolExecutor(1, 2,
1312	>	LONG_DELAY_MS, MILLISECONDS,
1313	>	new ArrayBlockingQueue<Runnable>(10));
1314		try {
1315	<	RejectedExecutionHandler r = null;
434	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1315	>	p.setCorePoolSize(-1);
1316		shouldThrow();
1317	+	} catch (IllegalArgumentException success) {
1318	+	} finally {
1319	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1320		}
1321	<	catch (NullPointerException success){}
1321	>	joinPool(p);
1322		}
1323
1324	<
1325	<	/** Throws if corePoolSize argument is less than zero */
1326	<	public void testConstructor16() {
1324	>	/**
1325	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1326	>	* given a value less the core pool size
1327	>	*/
1328	>	public void testMaximumPoolSizeIllegalArgumentException() {
1329	>	ThreadPoolExecutor p =
1330	>	new ThreadPoolExecutor(2, 3,
1331	>	LONG_DELAY_MS, MILLISECONDS,
1332	>	new ArrayBlockingQueue<Runnable>(10));
1333		try {
1334	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1334	>	p.setMaximumPoolSize(1);
1335		shouldThrow();
1336	+	} catch (IllegalArgumentException success) {
1337	+	} finally {
1338	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1339		}
1340	<	catch (IllegalArgumentException success){}
1340	>	joinPool(p);
1341		}
1342
1343	<	/** Throws if maximumPoolSize is less than zero */
1344	<	public void testConstructor17() {
1343	>	/**
1344	>	* setMaximumPoolSize throws IllegalArgumentException
1345	>	* if given a negative value
1346	>	*/
1347	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1348	>	ThreadPoolExecutor p =
1349	>	new ThreadPoolExecutor(2, 3,
1350	>	LONG_DELAY_MS, MILLISECONDS,
1351	>	new ArrayBlockingQueue<Runnable>(10));
1352		try {
1353	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1353	>	p.setMaximumPoolSize(-1);
1354		shouldThrow();
1355	+	} catch (IllegalArgumentException success) {
1356	+	} finally {
1357	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1358		}
1359	<	catch (IllegalArgumentException success){}
1359	>	joinPool(p);
1360		}
1361
1362	<	/** Throws if maximumPoolSize is equal to zero */
1363	<	public void testConstructor18() {
1362	>	/**
1363	>	* Configuration changes that allow core pool size greater than
1364	>	* max pool size result in IllegalArgumentException.
1365	>	*/
1366	>	public void testPoolSizeInvariants() {
1367	>	ThreadPoolExecutor p =
1368	>	new ThreadPoolExecutor(1, 1,
1369	>	LONG_DELAY_MS, MILLISECONDS,
1370	>	new ArrayBlockingQueue<Runnable>(10));
1371	>	for (int s = 1; s < 5; s++) {
1372	>	p.setMaximumPoolSize(s);
1373	>	p.setCorePoolSize(s);
1374	>	try {
1375	>	p.setMaximumPoolSize(s - 1);
1376	>	shouldThrow();
1377	>	} catch (IllegalArgumentException success) {}
1378	>	assertEquals(s, p.getCorePoolSize());
1379	>	assertEquals(s, p.getMaximumPoolSize());
1380	>	try {
1381	>	p.setCorePoolSize(s + 1);
1382	>	shouldThrow();
1383	>	} catch (IllegalArgumentException success) {}
1384	>	assertEquals(s, p.getCorePoolSize());
1385	>	assertEquals(s, p.getMaximumPoolSize());
1386	>	}
1387	>	joinPool(p);
1388	>	}
1389	>
1390	>	/**
1391	>	* setKeepAliveTime throws IllegalArgumentException
1392	>	* when given a negative value
1393	>	*/
1394	>	public void testKeepAliveTimeIllegalArgumentException() {
1395	>	ThreadPoolExecutor p =
1396	>	new ThreadPoolExecutor(2, 3,
1397	>	LONG_DELAY_MS, MILLISECONDS,
1398	>	new ArrayBlockingQueue<Runnable>(10));
1399		try {
1400	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1400	>	p.setKeepAliveTime(-1,MILLISECONDS);
1401		shouldThrow();
1402	+	} catch (IllegalArgumentException success) {
1403	+	} finally {
1404	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1405		}
1406	<	catch (IllegalArgumentException success){}
1406	>	joinPool(p);
1407		}
1408
1409	<	/** Throws if keepAliveTime is less than zero */
1410	<	public void testConstructor19() {
1409	>	/**
1410	>	* terminated() is called on termination
1411	>	*/
1412	>	public void testTerminated() {
1413	>	ExtendedTPE p = new ExtendedTPE();
1414	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1415	>	assertTrue(p.terminatedCalled());
1416	>	joinPool(p);
1417	>	}
1418	>
1419	>	/**
1420	>	* beforeExecute and afterExecute are called when executing task
1421	>	*/
1422	>	public void testBeforeAfter() throws InterruptedException {
1423	>	ExtendedTPE p = new ExtendedTPE();
1424		try {
1425	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1425	>	final CountDownLatch done = new CountDownLatch(1);
1426	>	p.execute(new CheckedRunnable() {
1427	>	public void realRun() {
1428	>	done.countDown();
1429	>	}});
1430	>	await(p.afterCalled);
1431	>	assertEquals(0, done.getCount());
1432	>	assertTrue(p.afterCalled());
1433	>	assertTrue(p.beforeCalled());
1434	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1435	>	} finally {
1436	>	joinPool(p);
1437	>	}
1438	>	}
1439	>
1440	>	/**
1441	>	* completed submit of callable returns result
1442	>	*/
1443	>	public void testSubmitCallable() throws Exception {
1444	>	ExecutorService e =
1445	>	new ThreadPoolExecutor(2, 2,
1446	>	LONG_DELAY_MS, MILLISECONDS,
1447	>	new ArrayBlockingQueue<Runnable>(10));
1448	>	try {
1449	>	Future<String> future = e.submit(new StringTask());
1450	>	String result = future.get();
1451	>	assertSame(TEST_STRING, result);
1452	>	} finally {
1453	>	joinPool(e);
1454	>	}
1455	>	}
1456	>
1457	>	/**
1458	>	* completed submit of runnable returns successfully
1459	>	*/
1460	>	public void testSubmitRunnable() throws Exception {
1461	>	ExecutorService e =
1462	>	new ThreadPoolExecutor(2, 2,
1463	>	LONG_DELAY_MS, MILLISECONDS,
1464	>	new ArrayBlockingQueue<Runnable>(10));
1465	>	try {
1466	>	Future<?> future = e.submit(new NoOpRunnable());
1467	>	future.get();
1468	>	assertTrue(future.isDone());
1469	>	} finally {
1470	>	joinPool(e);
1471	>	}
1472	>	}
1473	>
1474	>	/**
1475	>	* completed submit of (runnable, result) returns result
1476	>	*/
1477	>	public void testSubmitRunnable2() throws Exception {
1478	>	ExecutorService e =
1479	>	new ThreadPoolExecutor(2, 2,
1480	>	LONG_DELAY_MS, MILLISECONDS,
1481	>	new ArrayBlockingQueue<Runnable>(10));
1482	>	try {
1483	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1484	>	String result = future.get();
1485	>	assertSame(TEST_STRING, result);
1486	>	} finally {
1487	>	joinPool(e);
1488	>	}
1489	>	}
1490	>
1491	>	/**
1492	>	* invokeAny(null) throws NPE
1493	>	*/
1494	>	public void testInvokeAny1() throws Exception {
1495	>	ExecutorService e =
1496	>	new ThreadPoolExecutor(2, 2,
1497	>	LONG_DELAY_MS, MILLISECONDS,
1498	>	new ArrayBlockingQueue<Runnable>(10));
1499	>	try {
1500	>	e.invokeAny(null);
1501		shouldThrow();
1502	+	} catch (NullPointerException success) {
1503	+	} finally {
1504	+	joinPool(e);
1505		}
474	–	catch (IllegalArgumentException success){}
1506		}
1507
1508	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1509	<	public void testConstructor20() {
1508	>	/**
1509	>	* invokeAny(empty collection) throws IAE
1510	>	*/
1511	>	public void testInvokeAny2() throws Exception {
1512	>	ExecutorService e =
1513	>	new ThreadPoolExecutor(2, 2,
1514	>	LONG_DELAY_MS, MILLISECONDS,
1515	>	new ArrayBlockingQueue<Runnable>(10));
1516		try {
1517	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1517	>	e.invokeAny(new ArrayList<Callable<String>>());
1518		shouldThrow();
1519	+	} catch (IllegalArgumentException success) {
1520	+	} finally {
1521	+	joinPool(e);
1522		}
483	–	catch (IllegalArgumentException success){}
1523		}
1524
1525	<	/** Throws if workQueue is set to null */
1526	<	public void testNullPointerException6() {
1525	>	/**
1526	>	* invokeAny(c) throws NPE if c has null elements
1527	>	*/
1528	>	public void testInvokeAny3() throws Exception {
1529	>	final CountDownLatch latch = new CountDownLatch(1);
1530	>	final ExecutorService e =
1531	>	new ThreadPoolExecutor(2, 2,
1532	>	LONG_DELAY_MS, MILLISECONDS,
1533	>	new ArrayBlockingQueue<Runnable>(10));
1534	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1535	>	l.add(latchAwaitingStringTask(latch));
1536	>	l.add(null);
1537		try {
1538	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1538	>	e.invokeAny(l);
1539		shouldThrow();
1540	+	} catch (NullPointerException success) {
1541	+	} finally {
1542	+	latch.countDown();
1543	+	joinPool(e);
1544		}
492	–	catch (NullPointerException success){}
1545		}
1546
1547	<	/** Throws if handler is set to null */
1548	<	public void testNullPointerException7() {
1547	>	/**
1548	>	* invokeAny(c) throws ExecutionException if no task completes
1549	>	*/
1550	>	public void testInvokeAny4() throws Exception {
1551	>	ExecutorService e =
1552	>	new ThreadPoolExecutor(2, 2,
1553	>	LONG_DELAY_MS, MILLISECONDS,
1554	>	new ArrayBlockingQueue<Runnable>(10));
1555	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1556	>	l.add(new NPETask());
1557		try {
1558	<	RejectedExecutionHandler r = null;
499	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1558	>	e.invokeAny(l);
1559		shouldThrow();
1560	+	} catch (ExecutionException success) {
1561	+	assertTrue(success.getCause() instanceof NullPointerException);
1562	+	} finally {
1563	+	joinPool(e);
1564	+	}
1565	+	}
1566	+
1567	+	/**
1568	+	* invokeAny(c) returns result of some task
1569	+	*/
1570	+	public void testInvokeAny5() throws Exception {
1571	+	ExecutorService e =
1572	+	new ThreadPoolExecutor(2, 2,
1573	+	LONG_DELAY_MS, MILLISECONDS,
1574	+	new ArrayBlockingQueue<Runnable>(10));
1575	+	try {
1576	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1577	+	l.add(new StringTask());
1578	+	l.add(new StringTask());
1579	+	String result = e.invokeAny(l);
1580	+	assertSame(TEST_STRING, result);
1581	+	} finally {
1582	+	joinPool(e);
1583		}
502	–	catch (NullPointerException success){}
1584		}
1585
1586	<	/** Throws if ThreadFactory is set top null */
1587	<	public void testNullPointerException8() {
1586	>	/**
1587	>	* invokeAll(null) throws NPE
1588	>	*/
1589	>	public void testInvokeAll1() throws Exception {
1590	>	ExecutorService e =
1591	>	new ThreadPoolExecutor(2, 2,
1592	>	LONG_DELAY_MS, MILLISECONDS,
1593	>	new ArrayBlockingQueue<Runnable>(10));
1594		try {
1595	<	ThreadFactory f = null;
509	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1595	>	e.invokeAll(null);
1596		shouldThrow();
1597	+	} catch (NullPointerException success) {
1598	+	} finally {
1599	+	joinPool(e);
1600		}
512	–	catch (NullPointerException successdn8){}
1601		}
514	–
1602
1603		/**
1604	<	*   execute will throw RejectedExcutionException
518	<	*  ThreadPoolExecutor will throw one when more runnables are
519	<	*  executed then will fit in the Queue.
1604	>	* invokeAll(empty collection) returns empty collection
1605		*/
1606	<	public void testRejectedExecutionException() {
1607	<	ThreadPoolExecutor tpe = null;
1606	>	public void testInvokeAll2() throws InterruptedException {
1607	>	ExecutorService e =
1608	>	new ThreadPoolExecutor(2, 2,
1609	>	LONG_DELAY_MS, MILLISECONDS,
1610	>	new ArrayBlockingQueue<Runnable>(10));
1611		try {
1612	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1613	<	} catch(Exception e){}
1614	<	tpe.shutdown();
1615	<	try {
1616	<	tpe.execute(new NoOpRunnable());
529	<	shouldThrow();
530	<	} catch(RejectedExecutionException success){}
531	<
532	<	joinPool(tpe);
1612	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1613	>	assertTrue(r.isEmpty());
1614	>	} finally {
1615	>	joinPool(e);
1616	>	}
1617		}
1618	<
1618	>
1619		/**
1620	<	*   setCorePoolSize will throw IllegalArgumentException
537	<	*  when given a negative
1620	>	* invokeAll(c) throws NPE if c has null elements
1621		*/
1622	<	public void testCorePoolSizeIllegalArgumentException() {
1623	<	ThreadPoolExecutor tpe = null;
1624	<	try {
1625	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1626	<	} catch(Exception e){}
1627	<	try {
1628	<	tpe.setCorePoolSize(-1);
1629	<	shouldThrow();
547	<	} catch(IllegalArgumentException success){
548	<	} finally {
549	<	tpe.shutdown();
550	<	}
551	<	joinPool(tpe);
552	<	}
553	<
554	<
555	<	/**
556	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
557	<	*  if given a value less the it's actual core pool size
558	<	*/
559	<	public void testMaximumPoolSizeIllegalArgumentException() {
560	<	ThreadPoolExecutor tpe = null;
1622	>	public void testInvokeAll3() throws Exception {
1623	>	ExecutorService e =
1624	>	new ThreadPoolExecutor(2, 2,
1625	>	LONG_DELAY_MS, MILLISECONDS,
1626	>	new ArrayBlockingQueue<Runnable>(10));
1627	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1628	>	l.add(new StringTask());
1629	>	l.add(null);
1630		try {
1631	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1632	<	} catch(Exception e){}
1631	>	e.invokeAll(l);
1632	>	shouldThrow();
1633	>	} catch (NullPointerException success) {
1634	>	} finally {
1635	>	joinPool(e);
1636	>	}
1637	>	}
1638	>
1639	>	/**
1640	>	* get of element of invokeAll(c) throws exception on failed task
1641	>	*/
1642	>	public void testInvokeAll4() throws Exception {
1643	>	ExecutorService e =
1644	>	new ThreadPoolExecutor(2, 2,
1645	>	LONG_DELAY_MS, MILLISECONDS,
1646	>	new ArrayBlockingQueue<Runnable>(10));
1647	>	try {
1648	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1649	>	l.add(new NPETask());
1650	>	List<Future<String>> futures = e.invokeAll(l);
1651	>	assertEquals(1, futures.size());
1652	>	try {
1653	>	futures.get(0).get();
1654	>	shouldThrow();
1655	>	} catch (ExecutionException success) {
1656	>	assertTrue(success.getCause() instanceof NullPointerException);
1657	>	}
1658	>	} finally {
1659	>	joinPool(e);
1660	>	}
1661	>	}
1662	>
1663	>	/**
1664	>	* invokeAll(c) returns results of all completed tasks
1665	>	*/
1666	>	public void testInvokeAll5() throws Exception {
1667	>	ExecutorService e =
1668	>	new ThreadPoolExecutor(2, 2,
1669	>	LONG_DELAY_MS, MILLISECONDS,
1670	>	new ArrayBlockingQueue<Runnable>(10));
1671	>	try {
1672	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1673	>	l.add(new StringTask());
1674	>	l.add(new StringTask());
1675	>	List<Future<String>> futures = e.invokeAll(l);
1676	>	assertEquals(2, futures.size());
1677	>	for (Future<String> future : futures)
1678	>	assertSame(TEST_STRING, future.get());
1679	>	} finally {
1680	>	joinPool(e);
1681	>	}
1682	>	}
1683	>
1684	>	/**
1685	>	* timed invokeAny(null) throws NPE
1686	>	*/
1687	>	public void testTimedInvokeAny1() throws Exception {
1688	>	ExecutorService e =
1689	>	new ThreadPoolExecutor(2, 2,
1690	>	LONG_DELAY_MS, MILLISECONDS,
1691	>	new ArrayBlockingQueue<Runnable>(10));
1692		try {
1693	<	tpe.setMaximumPoolSize(1);
1693	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1694		shouldThrow();
1695	<	} catch(IllegalArgumentException success){
1695	>	} catch (NullPointerException success) {
1696		} finally {
1697	<	tpe.shutdown();
1697	>	joinPool(e);
1698		}
571	–	joinPool(tpe);
1699		}
1700	<
1700	>
1701		/**
1702	<	*   setMaximumPoolSize will throw IllegalArgumentException
576	<	*  if given a negative number
1702	>	* timed invokeAny(,,null) throws NPE
1703		*/
1704	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1705	<	ThreadPoolExecutor tpe = null;
1704	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1705	>	ExecutorService e =
1706	>	new ThreadPoolExecutor(2, 2,
1707	>	LONG_DELAY_MS, MILLISECONDS,
1708	>	new ArrayBlockingQueue<Runnable>(10));
1709	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1710	>	l.add(new StringTask());
1711		try {
1712	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1713	<	} catch(Exception e){}
1712	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1713	>	shouldThrow();
1714	>	} catch (NullPointerException success) {
1715	>	} finally {
1716	>	joinPool(e);
1717	>	}
1718	>	}
1719	>
1720	>	/**
1721	>	* timed invokeAny(empty collection) throws IAE
1722	>	*/
1723	>	public void testTimedInvokeAny2() throws Exception {
1724	>	ExecutorService e =
1725	>	new ThreadPoolExecutor(2, 2,
1726	>	LONG_DELAY_MS, MILLISECONDS,
1727	>	new ArrayBlockingQueue<Runnable>(10));
1728		try {
1729	<	tpe.setMaximumPoolSize(-1);
1729	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1730		shouldThrow();
1731	<	} catch(IllegalArgumentException success){
1731	>	} catch (IllegalArgumentException success) {
1732		} finally {
1733	<	tpe.shutdown();
1733	>	joinPool(e);
1734		}
590	–	joinPool(tpe);
1735		}
592	–
1736
1737		/**
1738	<	*   setKeepAliveTime will throw IllegalArgumentException
596	<	*  when given a negative value
1738	>	* timed invokeAny(c) throws NPE if c has null elements
1739		*/
1740	<	public void testKeepAliveTimeIllegalArgumentException() {
1741	<	ThreadPoolExecutor tpe = null;
1740	>	public void testTimedInvokeAny3() throws Exception {
1741	>	final CountDownLatch latch = new CountDownLatch(1);
1742	>	final ExecutorService e =
1743	>	new ThreadPoolExecutor(2, 2,
1744	>	LONG_DELAY_MS, MILLISECONDS,
1745	>	new ArrayBlockingQueue<Runnable>(10));
1746	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1747	>	l.add(latchAwaitingStringTask(latch));
1748	>	l.add(null);
1749	>	try {
1750	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1751	>	shouldThrow();
1752	>	} catch (NullPointerException success) {
1753	>	} finally {
1754	>	latch.countDown();
1755	>	joinPool(e);
1756	>	}
1757	>	}
1758	>
1759	>	/**
1760	>	* timed invokeAny(c) throws ExecutionException if no task completes
1761	>	*/
1762	>	public void testTimedInvokeAny4() throws Exception {
1763	>	ExecutorService e =
1764	>	new ThreadPoolExecutor(2, 2,
1765	>	LONG_DELAY_MS, MILLISECONDS,
1766	>	new ArrayBlockingQueue<Runnable>(10));
1767	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1768	>	l.add(new NPETask());
1769	>	try {
1770	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1771	>	shouldThrow();
1772	>	} catch (ExecutionException success) {
1773	>	assertTrue(success.getCause() instanceof NullPointerException);
1774	>	} finally {
1775	>	joinPool(e);
1776	>	}
1777	>	}
1778	>
1779	>	/**
1780	>	* timed invokeAny(c) returns result of some task
1781	>	*/
1782	>	public void testTimedInvokeAny5() throws Exception {
1783	>	ExecutorService e =
1784	>	new ThreadPoolExecutor(2, 2,
1785	>	LONG_DELAY_MS, MILLISECONDS,
1786	>	new ArrayBlockingQueue<Runnable>(10));
1787	>	try {
1788	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1789	>	l.add(new StringTask());
1790	>	l.add(new StringTask());
1791	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1792	>	assertSame(TEST_STRING, result);
1793	>	} finally {
1794	>	joinPool(e);
1795	>	}
1796	>	}
1797	>
1798	>	/**
1799	>	* timed invokeAll(null) throws NPE
1800	>	*/
1801	>	public void testTimedInvokeAll1() throws Exception {
1802	>	ExecutorService e =
1803	>	new ThreadPoolExecutor(2, 2,
1804	>	LONG_DELAY_MS, MILLISECONDS,
1805	>	new ArrayBlockingQueue<Runnable>(10));
1806		try {
1807	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
602	<	} catch(Exception e){}
603	<
604	<	try {
605	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1807	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1808		shouldThrow();
1809	<	} catch(IllegalArgumentException success){
1809	>	} catch (NullPointerException success) {
1810		} finally {
1811	<	tpe.shutdown();
1811	>	joinPool(e);
1812		}
611	–	joinPool(tpe);
1813		}
1814	<
1814	>
1815	>	/**
1816	>	* timed invokeAll(,,null) throws NPE
1817	>	*/
1818	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1819	>	ExecutorService e =
1820	>	new ThreadPoolExecutor(2, 2,
1821	>	LONG_DELAY_MS, MILLISECONDS,
1822	>	new ArrayBlockingQueue<Runnable>(10));
1823	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1824	>	l.add(new StringTask());
1825	>	try {
1826	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1827	>	shouldThrow();
1828	>	} catch (NullPointerException success) {
1829	>	} finally {
1830	>	joinPool(e);
1831	>	}
1832	>	}
1833	>
1834	>	/**
1835	>	* timed invokeAll(empty collection) returns empty collection
1836	>	*/
1837	>	public void testTimedInvokeAll2() throws InterruptedException {
1838	>	ExecutorService e =
1839	>	new ThreadPoolExecutor(2, 2,
1840	>	LONG_DELAY_MS, MILLISECONDS,
1841	>	new ArrayBlockingQueue<Runnable>(10));
1842	>	try {
1843	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1844	>	assertTrue(r.isEmpty());
1845	>	} finally {
1846	>	joinPool(e);
1847	>	}
1848	>	}
1849	>
1850	>	/**
1851	>	* timed invokeAll(c) throws NPE if c has null elements
1852	>	*/
1853	>	public void testTimedInvokeAll3() throws Exception {
1854	>	ExecutorService e =
1855	>	new ThreadPoolExecutor(2, 2,
1856	>	LONG_DELAY_MS, MILLISECONDS,
1857	>	new ArrayBlockingQueue<Runnable>(10));
1858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1859	>	l.add(new StringTask());
1860	>	l.add(null);
1861	>	try {
1862	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1863	>	shouldThrow();
1864	>	} catch (NullPointerException success) {
1865	>	} finally {
1866	>	joinPool(e);
1867	>	}
1868	>	}
1869	>
1870	>	/**
1871	>	* get of element of invokeAll(c) throws exception on failed task
1872	>	*/
1873	>	public void testTimedInvokeAll4() throws Exception {
1874	>	ExecutorService e =
1875	>	new ThreadPoolExecutor(2, 2,
1876	>	LONG_DELAY_MS, MILLISECONDS,
1877	>	new ArrayBlockingQueue<Runnable>(10));
1878	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1879	>	l.add(new NPETask());
1880	>	List<Future<String>> futures =
1881	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1882	>	assertEquals(1, futures.size());
1883	>	try {
1884	>	futures.get(0).get();
1885	>	shouldThrow();
1886	>	} catch (ExecutionException success) {
1887	>	assertTrue(success.getCause() instanceof NullPointerException);
1888	>	} finally {
1889	>	joinPool(e);
1890	>	}
1891	>	}
1892	>
1893	>	/**
1894	>	* timed invokeAll(c) returns results of all completed tasks
1895	>	*/
1896	>	public void testTimedInvokeAll5() throws Exception {
1897	>	ExecutorService e =
1898	>	new ThreadPoolExecutor(2, 2,
1899	>	LONG_DELAY_MS, MILLISECONDS,
1900	>	new ArrayBlockingQueue<Runnable>(10));
1901	>	try {
1902	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1903	>	l.add(new StringTask());
1904	>	l.add(new StringTask());
1905	>	List<Future<String>> futures =
1906	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1907	>	assertEquals(2, futures.size());
1908	>	for (Future<String> future : futures)
1909	>	assertSame(TEST_STRING, future.get());
1910	>	} finally {
1911	>	joinPool(e);
1912	>	}
1913	>	}
1914	>
1915	>	/**
1916	>	* timed invokeAll(c) cancels tasks not completed by timeout
1917	>	*/
1918	>	public void testTimedInvokeAll6() throws Exception {
1919	>	ExecutorService e =
1920	>	new ThreadPoolExecutor(2, 2,
1921	>	LONG_DELAY_MS, MILLISECONDS,
1922	>	new ArrayBlockingQueue<Runnable>(10));
1923	>	try {
1924	>	for (long timeout = timeoutMillis();;) {
1925	>	List<Callable<String>> tasks = new ArrayList<>();
1926	>	tasks.add(new StringTask("0"));
1927	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1928	>	tasks.add(new StringTask("2"));
1929	>	long startTime = System.nanoTime();
1930	>	List<Future<String>> futures =
1931	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1932	>	assertEquals(tasks.size(), futures.size());
1933	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1934	>	for (Future future : futures)
1935	>	assertTrue(future.isDone());
1936	>	assertTrue(futures.get(1).isCancelled());
1937	>	try {
1938	>	assertEquals("0", futures.get(0).get());
1939	>	assertEquals("2", futures.get(2).get());
1940	>	break;
1941	>	} catch (CancellationException retryWithLongerTimeout) {
1942	>	timeout *= 2;
1943	>	if (timeout >= LONG_DELAY_MS / 2)
1944	>	fail("expected exactly one task to be cancelled");
1945	>	}
1946	>	}
1947	>	} finally {
1948	>	joinPool(e);
1949	>	}
1950	>	}
1951	>
1952	>	/**
1953	>	* Execution continues if there is at least one thread even if
1954	>	* thread factory fails to create more
1955	>	*/
1956	>	public void testFailingThreadFactory() throws InterruptedException {
1957	>	final ExecutorService e =
1958	>	new ThreadPoolExecutor(100, 100,
1959	>	LONG_DELAY_MS, MILLISECONDS,
1960	>	new LinkedBlockingQueue<Runnable>(),
1961	>	new FailingThreadFactory());
1962	>	try {
1963	>	final int TASKS = 100;
1964	>	final CountDownLatch done = new CountDownLatch(TASKS);
1965	>	for (int k = 0; k < TASKS; ++k)
1966	>	e.execute(new CheckedRunnable() {
1967	>	public void realRun() {
1968	>	done.countDown();
1969	>	}});
1970	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1971	>	} finally {
1972	>	joinPool(e);
1973	>	}
1974	>	}
1975	>
1976	>	/**
1977	>	* allowsCoreThreadTimeOut is by default false.
1978	>	*/
1979	>	public void testAllowsCoreThreadTimeOut() {
1980	>	final ThreadPoolExecutor p =
1981	>	new ThreadPoolExecutor(2, 2,
1982	>	1000, MILLISECONDS,
1983	>	new ArrayBlockingQueue<Runnable>(10));
1984	>	assertFalse(p.allowsCoreThreadTimeOut());
1985	>	joinPool(p);
1986	>	}
1987	>
1988	>	/**
1989	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1990	>	*/
1991	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1992	>	long keepAliveTime = timeoutMillis();
1993	>	final ThreadPoolExecutor p =
1994	>	new ThreadPoolExecutor(2, 10,
1995	>	keepAliveTime, MILLISECONDS,
1996	>	new ArrayBlockingQueue<Runnable>(10));
1997	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1998	>	try {
1999	>	p.allowCoreThreadTimeOut(true);
2000	>	p.execute(new CheckedRunnable() {
2001	>	public void realRun() {
2002	>	threadStarted.countDown();
2003	>	assertEquals(1, p.getPoolSize());
2004	>	}});
2005	>	await(threadStarted);
2006	>	delay(keepAliveTime);
2007	>	long startTime = System.nanoTime();
2008	>	while (p.getPoolSize() > 0
2009	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2010	>	Thread.yield();
2011	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2012	>	assertEquals(0, p.getPoolSize());
2013	>	} finally {
2014	>	joinPool(p);
2015	>	}
2016	>	}
2017	>
2018	>	/**
2019	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2020	>	*/
2021	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2022	>	long keepAliveTime = timeoutMillis();
2023	>	final ThreadPoolExecutor p =
2024	>	new ThreadPoolExecutor(2, 10,
2025	>	keepAliveTime, MILLISECONDS,
2026	>	new ArrayBlockingQueue<Runnable>(10));
2027	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2028	>	try {
2029	>	p.allowCoreThreadTimeOut(false);
2030	>	p.execute(new CheckedRunnable() {
2031	>	public void realRun() throws InterruptedException {
2032	>	threadStarted.countDown();
2033	>	assertTrue(p.getPoolSize() >= 1);
2034	>	}});
2035	>	delay(2 * keepAliveTime);
2036	>	assertTrue(p.getPoolSize() >= 1);
2037	>	} finally {
2038	>	joinPool(p);
2039	>	}
2040	>	}
2041	>
2042	>	/**
2043	>	* execute allows the same task to be submitted multiple times, even
2044	>	* if rejected
2045	>	*/
2046	>	public void testRejectedRecycledTask() throws InterruptedException {
2047	>	final int nTasks = 1000;
2048	>	final CountDownLatch done = new CountDownLatch(nTasks);
2049	>	final Runnable recycledTask = new Runnable() {
2050	>	public void run() {
2051	>	done.countDown();
2052	>	}};
2053	>	final ThreadPoolExecutor p =
2054	>	new ThreadPoolExecutor(1, 30,
2055	>	60, SECONDS,
2056	>	new ArrayBlockingQueue(30));
2057	>	try {
2058	>	for (int i = 0; i < nTasks; ++i) {
2059	>	for (;;) {
2060	>	try {
2061	>	p.execute(recycledTask);
2062	>	break;
2063	>	}
2064	>	catch (RejectedExecutionException ignore) {}
2065	>	}
2066	>	}
2067	>	// enough time to run all tasks
2068	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2069	>	} finally {
2070	>	joinPool(p);
2071	>	}
2072	>	}
2073	>
2074	>	/**
2075	>	* get(cancelled task) throws CancellationException
2076	>	*/
2077	>	public void testGet_cancelled() throws Exception {
2078	>	final ExecutorService e =
2079	>	new ThreadPoolExecutor(1, 1,
2080	>	LONG_DELAY_MS, MILLISECONDS,
2081	>	new LinkedBlockingQueue<Runnable>());
2082	>	try {
2083	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2084	>	final CountDownLatch done = new CountDownLatch(1);
2085	>	final List<Future<?>> futures = new ArrayList<>();
2086	>	for (int i = 0; i < 2; i++) {
2087	>	Runnable r = new CheckedRunnable() { public void realRun()
2088	>	throws Throwable {
2089	>	blockerStarted.countDown();
2090	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2091	>	}};
2092	>	futures.add(e.submit(r));
2093	>	}
2094	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2095	>	for (Future<?> future : futures) future.cancel(false);
2096	>	for (Future<?> future : futures) {
2097	>	try {
2098	>	future.get();
2099	>	shouldThrow();
2100	>	} catch (CancellationException success) {}
2101	>	try {
2102	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2103	>	shouldThrow();
2104	>	} catch (CancellationException success) {}
2105	>	assertTrue(future.isCancelled());
2106	>	assertTrue(future.isDone());
2107	>	}
2108	>	done.countDown();
2109	>	} finally {
2110	>	joinPool(e);
2111	>	}
2112	>	}
2113	>
2114		}

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