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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 1.93 by jsr166, Sun Oct 4 03:51:35 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	>
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	<
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	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434		}
435
174	–
436		/**
437	<	*   isTerminated gives correct values
177	<	*  Makes sure termination does not take an innapropriate
178	<	*  amount of time
437	>	* awaitTermination on a non-shutdown pool times out
438		*/
439	<	public void testIsTerminated() {
440	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
441	<	try {
442	<	p1.execute(new MediumRunnable());
443	<	} finally {
444	<	p1.shutdown();
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	try (PoolCleaner cleaner = cleaner(p)) {
445	>	assertFalse(p.isTerminated());
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
452	>	long timeoutNanos = 999999L;
453	>	long startTime = System.nanoTime();
454	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456	>	assertFalse(p.isTerminated());
457	>	startTime = System.nanoTime();
458	>	long timeoutMillis = timeoutMillis();
459	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461	>	assertFalse(p.isTerminated());
462	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
463	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464	>	assertTrue(p.isTerminated());
465		}
187	–	try {
188	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189	–	assertTrue(p1.isTerminated());
190	–	} catch(Exception e){
191	–	unexpectedException();
192	–	}
466		}
467
468		/**
469	<	*  isTerminating gives correct values
469	>	* isTerminated is false before termination, true after
470		*/
471	<	public void testIsTerminating() {
472	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
473	<	assertFalse(p1.isTerminating());
474	<	try {
475	<	p1.execute(new SmallRunnable());
476	<	assertFalse(p1.isTerminating());
477	<	} finally {
478	<	p1.shutdown();
471	>	public void testIsTerminated() throws InterruptedException {
472	>	final ThreadPoolExecutor p =
473	>	new ThreadPoolExecutor(1, 1,
474	>	LONG_DELAY_MS, MILLISECONDS,
475	>	new ArrayBlockingQueue<Runnable>(10));
476	>	try (PoolCleaner cleaner = cleaner(p)) {
477	>	final CountDownLatch threadStarted = new CountDownLatch(1);
478	>	final CountDownLatch done = new CountDownLatch(1);
479	>	assertFalse(p.isTerminating());
480	>	p.execute(new CheckedRunnable() {
481	>	public void realRun() throws InterruptedException {
482	>	assertFalse(p.isTerminating());
483	>	threadStarted.countDown();
484	>	done.await();
485	>	}});
486	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487	>	assertFalse(p.isTerminating());
488	>	done.countDown();
489	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
490	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491	>	assertTrue(p.isTerminated());
492	>	assertFalse(p.isTerminating());
493		}
207	–	try {
208	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
209	–	assertTrue(p1.isTerminated());
210	–	assertFalse(p1.isTerminating());
211	–	} catch(Exception e){
212	–	unexpectedException();
213	–	}
494		}
495
496		/**
497	<	*   purge correctly removes cancelled tasks
218	<	*  from the queue
497	>	* isTerminating is not true when running or when terminated
498		*/
499	<	public void testPurge() {
500	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
501	<	CancellableTask[] tasks = new CancellableTask[5];
502	<	for(int i = 0; i < 5; i++){
503	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
504	<	p1.execute(tasks[i]);
499	>	public void testIsTerminating() throws InterruptedException {
500	>	final ThreadPoolExecutor p =
501	>	new ThreadPoolExecutor(1, 1,
502	>	LONG_DELAY_MS, MILLISECONDS,
503	>	new ArrayBlockingQueue<Runnable>(10));
504	>	try (PoolCleaner cleaner = cleaner(p)) {
505	>	final CountDownLatch threadStarted = new CountDownLatch(1);
506	>	final CountDownLatch done = new CountDownLatch(1);
507	>	assertFalse(p.isTerminating());
508	>	p.execute(new CheckedRunnable() {
509	>	public void realRun() throws InterruptedException {
510	>	assertFalse(p.isTerminating());
511	>	threadStarted.countDown();
512	>	done.await();
513	>	}});
514	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515	>	assertFalse(p.isTerminating());
516	>	done.countDown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521		}
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);
522		}
523
524		/**
525	<	*   shutDownNow returns a list
237	<	*  containing the correct number of elements
525	>	* getQueue returns the work queue, which contains queued tasks
526		*/
527	<	public void testShutDownNow() {
528	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
529	<	List l;
530	<	try {
531	<	for(int i = 0; i < 5; i++)
532	<	p1.execute(new MediumPossiblyInterruptedRunnable());
527	>	public void testGetQueue() throws InterruptedException {
528	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	q);
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	FutureTask[] tasks = new FutureTask[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	assertSame(q, p.getQueue());
542	>	done.await();
543	>	return Boolean.TRUE;
544	>	}};
545	>	tasks[i] = new FutureTask(task);
546	>	p.execute(tasks[i]);
547	>	}
548	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	assertSame(q, p.getQueue());
550	>	assertFalse(q.contains(tasks[0]));
551	>	assertTrue(q.contains(tasks[tasks.length - 1]));
552	>	assertEquals(tasks.length - 1, q.size());
553	>	done.countDown();
554		}
555	<	finally {
556	<	l = p1.shutdownNow();
555	>	}
556	>
557	>	/**
558	>	* remove(task) removes queued task, and fails to remove active task
559	>	*/
560	>	public void testRemove() throws InterruptedException {
561	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562	>	final ThreadPoolExecutor p =
563	>	new ThreadPoolExecutor(1, 1,
564	>	LONG_DELAY_MS, MILLISECONDS,
565	>	q);
566	>	try (PoolCleaner cleaner = cleaner(p)) {
567	>	Runnable[] tasks = new Runnable[6];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	tasks[i] = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	p.execute(tasks[i]);
577	>	}
578	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	assertFalse(p.remove(tasks[0]));
580	>	assertTrue(q.contains(tasks[4]));
581	>	assertTrue(q.contains(tasks[3]));
582	>	assertTrue(p.remove(tasks[4]));
583	>	assertFalse(p.remove(tasks[4]));
584	>	assertFalse(q.contains(tasks[4]));
585	>	assertTrue(q.contains(tasks[3]));
586	>	assertTrue(p.remove(tasks[3]));
587	>	assertFalse(q.contains(tasks[3]));
588	>	done.countDown();
589		}
590	<	assertTrue(p1.isShutdown());
591	<	assertTrue(l.size() <= 4);
590	>	}
591	>
592	>	/**
593	>	* purge removes cancelled tasks from the queue
594	>	*/
595	>	public void testPurge() throws InterruptedException {
596	>	final CountDownLatch threadStarted = new CountDownLatch(1);
597	>	final CountDownLatch done = new CountDownLatch(1);
598	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599	>	final ThreadPoolExecutor p =
600	>	new ThreadPoolExecutor(1, 1,
601	>	LONG_DELAY_MS, MILLISECONDS,
602	>	q);
603	>	try (PoolCleaner cleaner = cleaner(p)) {
604	>	FutureTask[] tasks = new FutureTask[5];
605	>	for (int i = 0; i < tasks.length; i++) {
606	>	Callable task = new CheckedCallable<Boolean>() {
607	>	public Boolean realCall() throws InterruptedException {
608	>	threadStarted.countDown();
609	>	done.await();
610	>	return Boolean.TRUE;
611	>	}};
612	>	tasks[i] = new FutureTask(task);
613	>	p.execute(tasks[i]);
614	>	}
615	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616	>	assertEquals(tasks.length, p.getTaskCount());
617	>	assertEquals(tasks.length - 1, q.size());
618	>	assertEquals(1L, p.getActiveCount());
619	>	assertEquals(0L, p.getCompletedTaskCount());
620	>	tasks[4].cancel(true);
621	>	tasks[3].cancel(false);
622	>	p.purge();
623	>	assertEquals(tasks.length - 3, q.size());
624	>	assertEquals(tasks.length - 2, p.getTaskCount());
625	>	p.purge();         // Nothing to do
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	done.countDown();
629	>	}
630	>	}
631	>
632	>	/**
633	>	* shutdownNow returns a list containing tasks that were not run,
634	>	* and those tasks are drained from the queue
635	>	*/
636	>	public void testShutdownNow() throws InterruptedException {
637	>	final int poolSize = 2;
638	>	final int count = 5;
639	>	final AtomicInteger ran = new AtomicInteger(0);
640	>	final ThreadPoolExecutor p =
641	>	new ThreadPoolExecutor(poolSize, poolSize,
642	>	LONG_DELAY_MS, MILLISECONDS,
643	>	new ArrayBlockingQueue<Runnable>(10));
644	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
646	>	threadsStarted.countDown();
647	>	try {
648	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649	>	} catch (InterruptedException success) {}
650	>	ran.getAndIncrement();
651	>	}};
652	>	for (int i = 0; i < count; i++)
653	>	p.execute(waiter);
654	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655	>	assertEquals(poolSize, p.getActiveCount());
656	>	assertEquals(0, p.getCompletedTaskCount());
657	>	final List<Runnable> queuedTasks;
658	>	try {
659	>	queuedTasks = p.shutdownNow();
660	>	} catch (SecurityException ok) {
661	>	return; // Allowed in case test doesn't have privs
662	>	}
663	>	assertTrue(p.isShutdown());
664	>	assertTrue(p.getQueue().isEmpty());
665	>	assertEquals(count - poolSize, queuedTasks.size());
666	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667	>	assertTrue(p.isTerminated());
668	>	assertEquals(poolSize, ran.get());
669	>	assertEquals(poolSize, p.getCompletedTaskCount());
670		}
671
672		// Exception Tests
254	–
673
674	<	/** Throws if corePoolSize argument is less than zero */
674	>	/**
675	>	* Constructor throws if corePoolSize argument is less than zero
676	>	*/
677		public void testConstructor1() {
678		try {
679	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
679	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680	>	new ArrayBlockingQueue<Runnable>(10));
681		shouldThrow();
682	<	}
262	<	catch (IllegalArgumentException success){}
682	>	} catch (IllegalArgumentException success) {}
683		}
684	<
685	<	/** Throws if maximumPoolSize is less than zero */
684	>
685	>	/**
686	>	* Constructor throws if maximumPoolSize is less than zero
687	>	*/
688		public void testConstructor2() {
689		try {
690	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692		shouldThrow();
693	<	}
271	<	catch (IllegalArgumentException success){}
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	/** Throws if maximumPoolSize is equal to zero */
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is equal to zero
698	>	*/
699		public void testConstructor3() {
700		try {
701	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703		shouldThrow();
704	<	}
280	<	catch (IllegalArgumentException success){}
704	>	} catch (IllegalArgumentException success) {}
705		}
706
707	<	/** Throws if keepAliveTime is less than zero */
707	>	/**
708	>	* Constructor throws if keepAliveTime is less than zero
709	>	*/
710		public void testConstructor4() {
711		try {
712	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714		shouldThrow();
715	<	}
289	<	catch (IllegalArgumentException success){}
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
718	>	/**
719	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
720	>	*/
721		public void testConstructor5() {
722		try {
723	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725		shouldThrow();
726	<	}
298	<	catch (IllegalArgumentException success){}
726	>	} catch (IllegalArgumentException success) {}
727		}
728	<
729	<	/** Throws if workQueue is set to null */
730	<	public void testNullPointerException() {
728	>
729	>	/**
730	>	* Constructor throws if workQueue is set to null
731	>	*/
732	>	public void testConstructorNullPointerException() {
733		try {
734	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
734	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735	>	(BlockingQueue) null);
736		shouldThrow();
737	<	}
307	<	catch (NullPointerException success){}
737	>	} catch (NullPointerException success) {}
738		}
309	–
739
740	<
741	<	/** Throws if corePoolSize argument is less than zero */
740	>	/**
741	>	* Constructor throws if corePoolSize argument is less than zero
742	>	*/
743		public void testConstructor6() {
744		try {
745	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
745	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746	>	new ArrayBlockingQueue<Runnable>(10),
747	>	new SimpleThreadFactory());
748		shouldThrow();
749	<	} catch (IllegalArgumentException success){}
749	>	} catch (IllegalArgumentException success) {}
750		}
751	<
752	<	/** Throws if maximumPoolSize is less than zero */
751	>
752	>	/**
753	>	* Constructor throws if maximumPoolSize is less than zero
754	>	*/
755		public void testConstructor7() {
756		try {
757	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760		shouldThrow();
761	<	}
326	<	catch (IllegalArgumentException success){}
761	>	} catch (IllegalArgumentException success) {}
762		}
763
764	<	/** Throws if maximumPoolSize is equal to zero */
764	>	/**
765	>	* Constructor throws if maximumPoolSize is equal to zero
766	>	*/
767		public void testConstructor8() {
768		try {
769	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772		shouldThrow();
773	<	}
335	<	catch (IllegalArgumentException success){}
773	>	} catch (IllegalArgumentException success) {}
774		}
775
776	<	/** Throws if keepAliveTime is less than zero */
776	>	/**
777	>	* Constructor throws if keepAliveTime is less than zero
778	>	*/
779		public void testConstructor9() {
780		try {
781	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
781	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784		shouldThrow();
785	<	}
344	<	catch (IllegalArgumentException success){}
785	>	} catch (IllegalArgumentException success) {}
786		}
787
788	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
788	>	/**
789	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
790	>	*/
791		public void testConstructor10() {
792		try {
793	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
793	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796		shouldThrow();
797	<	}
353	<	catch (IllegalArgumentException success){}
797	>	} catch (IllegalArgumentException success) {}
798		}
799
800	<	/** Throws if workQueue is set to null */
801	<	public void testNullPointerException2() {
800	>	/**
801	>	* Constructor throws if workQueue is set to null
802	>	*/
803	>	public void testConstructorNullPointerException2() {
804		try {
805	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
805	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806	>	(BlockingQueue) null,
807	>	new SimpleThreadFactory());
808		shouldThrow();
809	<	}
362	<	catch (NullPointerException success){}
809	>	} catch (NullPointerException success) {}
810		}
811
812	<	/** Throws if threadFactory is set to null */
813	<	public void testNullPointerException3() {
812	>	/**
813	>	* Constructor throws if threadFactory is set to null
814	>	*/
815	>	public void testConstructorNullPointerException3() {
816		try {
817	<	ThreadFactory f = null;
818	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	new ArrayBlockingQueue<Runnable>(10),
819	>	(ThreadFactory) null);
820		shouldThrow();
821	<	}
372	<	catch (NullPointerException success){}
821	>	} catch (NullPointerException success) {}
822		}
823	<
824	<
825	<	/** Throws if corePoolSize argument is less than zero */
823	>
824	>	/**
825	>	* Constructor throws if corePoolSize argument is less than zero
826	>	*/
827		public void testConstructor11() {
828		try {
829	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
829	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	new NoOpREHandler());
832		shouldThrow();
833	<	}
382	<	catch (IllegalArgumentException success){}
833	>	} catch (IllegalArgumentException success) {}
834		}
835
836	<	/** Throws if maximumPoolSize is less than zero */
836	>	/**
837	>	* Constructor throws if maximumPoolSize is less than zero
838	>	*/
839		public void testConstructor12() {
840		try {
841	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
841	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844		shouldThrow();
845	<	}
391	<	catch (IllegalArgumentException success){}
845	>	} catch (IllegalArgumentException success) {}
846		}
847
848	<	/** Throws if maximumPoolSize is equal to zero */
848	>	/**
849	>	* Constructor throws if maximumPoolSize is equal to zero
850	>	*/
851		public void testConstructor13() {
852		try {
853	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
853	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856		shouldThrow();
857	<	}
400	<	catch (IllegalArgumentException success){}
857	>	} catch (IllegalArgumentException success) {}
858		}
859
860	<	/** Throws if keepAliveTime is less than zero */
860	>	/**
861	>	* Constructor throws if keepAliveTime is less than zero
862	>	*/
863		public void testConstructor14() {
864		try {
865	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
865	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868		shouldThrow();
869	<	}
409	<	catch (IllegalArgumentException success){}
869	>	} catch (IllegalArgumentException success) {}
870		}
871
872	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
872	>	/**
873	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
874	>	*/
875		public void testConstructor15() {
876		try {
877	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
877	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880	>	shouldThrow();
881	>	} catch (IllegalArgumentException success) {}
882	>	}
883	>
884	>	/**
885	>	* Constructor throws if workQueue is set to null
886	>	*/
887	>	public void testConstructorNullPointerException4() {
888	>	try {
889	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890	>	(BlockingQueue) null,
891	>	new NoOpREHandler());
892	>	shouldThrow();
893	>	} catch (NullPointerException success) {}
894	>	}
895	>
896	>	/**
897	>	* Constructor throws if handler is set to null
898	>	*/
899	>	public void testConstructorNullPointerException5() {
900	>	try {
901	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	>	new ArrayBlockingQueue<Runnable>(10),
903	>	(RejectedExecutionHandler) null);
904	>	shouldThrow();
905	>	} catch (NullPointerException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if corePoolSize argument is less than zero
910	>	*/
911	>	public void testConstructor16() {
912	>	try {
913	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914	>	new ArrayBlockingQueue<Runnable>(10),
915	>	new SimpleThreadFactory(),
916	>	new NoOpREHandler());
917	>	shouldThrow();
918	>	} catch (IllegalArgumentException success) {}
919	>	}
920	>
921	>	/**
922	>	* Constructor throws if maximumPoolSize is less than zero
923	>	*/
924	>	public void testConstructor17() {
925	>	try {
926	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927	>	new ArrayBlockingQueue<Runnable>(10),
928	>	new SimpleThreadFactory(),
929	>	new NoOpREHandler());
930	>	shouldThrow();
931	>	} catch (IllegalArgumentException success) {}
932	>	}
933	>
934	>	/**
935	>	* Constructor throws if maximumPoolSize is equal to zero
936	>	*/
937	>	public void testConstructor18() {
938	>	try {
939	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943	>	shouldThrow();
944	>	} catch (IllegalArgumentException success) {}
945	>	}
946	>
947	>	/**
948	>	* Constructor throws if keepAliveTime is less than zero
949	>	*/
950	>	public void testConstructor19() {
951	>	try {
952	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956	>	shouldThrow();
957	>	} catch (IllegalArgumentException success) {}
958	>	}
959	>
960	>	/**
961	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
962	>	*/
963	>	public void testConstructor20() {
964	>	try {
965	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969		shouldThrow();
970	+	} catch (IllegalArgumentException success) {}
971	+	}
972	+
973	+	/**
974	+	* Constructor throws if workQueue is null
975	+	*/
976	+	public void testConstructorNullPointerException6() {
977	+	try {
978	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979	+	(BlockingQueue) null,
980	+	new SimpleThreadFactory(),
981	+	new NoOpREHandler());
982	+	shouldThrow();
983	+	} catch (NullPointerException success) {}
984	+	}
985	+
986	+	/**
987	+	* Constructor throws if handler is null
988	+	*/
989	+	public void testConstructorNullPointerException7() {
990	+	try {
991	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992	+	new ArrayBlockingQueue<Runnable>(10),
993	+	new SimpleThreadFactory(),
994	+	(RejectedExecutionHandler) null);
995	+	shouldThrow();
996	+	} catch (NullPointerException success) {}
997	+	}
998	+
999	+	/**
1000	+	* Constructor throws if ThreadFactory is null
1001	+	*/
1002	+	public void testConstructorNullPointerException8() {
1003	+	try {
1004	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	+	new ArrayBlockingQueue<Runnable>(10),
1006	+	(ThreadFactory) null,
1007	+	new NoOpREHandler());
1008	+	shouldThrow();
1009	+	} catch (NullPointerException success) {}
1010	+	}
1011	+
1012	+	/**
1013	+	* get of submitted callable throws InterruptedException if interrupted
1014	+	*/
1015	+	public void testInterruptedSubmit() throws InterruptedException {
1016	+	final ThreadPoolExecutor p =
1017	+	new ThreadPoolExecutor(1, 1,
1018	+	60, SECONDS,
1019	+	new ArrayBlockingQueue<Runnable>(10));
1020	+
1021	+	try (PoolCleaner cleaner = cleaner(p)) {
1022	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1023	+	final CountDownLatch done = new CountDownLatch(1);
1024	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025	+	public void realRun() throws Exception {
1026	+	Callable task = new CheckedCallable<Boolean>() {
1027	+	public Boolean realCall() throws InterruptedException {
1028	+	threadStarted.countDown();
1029	+	done.await();
1030	+	return Boolean.TRUE;
1031	+	}};
1032	+	p.submit(task).get();
1033	+	}});
1034	+
1035	+	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036	+	t.interrupt();
1037	+	awaitTermination(t, MEDIUM_DELAY_MS);
1038	+	done.countDown();
1039	+	}
1040	+	}
1041	+
1042	+	/**
1043	+	* execute throws RejectedExecutionException if saturated.
1044	+	*/
1045	+	public void testSaturatedExecute() {
1046	+	final ThreadPoolExecutor p =
1047	+	new ThreadPoolExecutor(1, 1,
1048	+	LONG_DELAY_MS, MILLISECONDS,
1049	+	new ArrayBlockingQueue<Runnable>(1));
1050	+	try (PoolCleaner cleaner = cleaner(p)) {
1051	+	final CountDownLatch done = new CountDownLatch(1);
1052	+	Runnable task = new CheckedRunnable() {
1053	+	public void realRun() throws InterruptedException {
1054	+	done.await();
1055	+	}};
1056	+	for (int i = 0; i < 2; ++i)
1057	+	p.execute(task);
1058	+	for (int i = 0; i < 2; ++i) {
1059	+	try {
1060	+	p.execute(task);
1061	+	shouldThrow();
1062	+	} catch (RejectedExecutionException success) {}
1063	+	assertTrue(p.getTaskCount() <= 2);
1064	+	}
1065	+	done.countDown();
1066	+	}
1067	+	}
1068	+
1069	+	/**
1070	+	* submit(runnable) throws RejectedExecutionException if saturated.
1071	+	*/
1072	+	public void testSaturatedSubmitRunnable() {
1073	+	ThreadPoolExecutor p =
1074	+	new ThreadPoolExecutor(1, 1,
1075	+	LONG_DELAY_MS, MILLISECONDS,
1076	+	new ArrayBlockingQueue<Runnable>(1));
1077	+	final CountDownLatch done = new CountDownLatch(1);
1078	+	try {
1079	+	Runnable task = new CheckedRunnable() {
1080	+	public void realRun() throws InterruptedException {
1081	+	done.await();
1082	+	}};
1083	+	for (int i = 0; i < 2; ++i)
1084	+	p.submit(task);
1085	+	for (int i = 0; i < 2; ++i) {
1086	+	try {
1087	+	p.execute(task);
1088	+	shouldThrow();
1089	+	} catch (RejectedExecutionException success) {}
1090	+	assertTrue(p.getTaskCount() <= 2);
1091	+	}
1092	+	} finally {
1093	+	done.countDown();
1094	+	joinPool(p);
1095		}
418	–	catch (IllegalArgumentException success){}
1096		}
1097
1098	<	/** Throws if workQueue is set to null */
1099	<	public void testNullPointerException4() {
1098	>	/**
1099	>	* submit(callable) throws RejectedExecutionException if saturated.
1100	>	*/
1101	>	public void testSaturatedSubmitCallable() {
1102	>	ThreadPoolExecutor p =
1103	>	new ThreadPoolExecutor(1, 1,
1104	>	LONG_DELAY_MS, MILLISECONDS,
1105	>	new ArrayBlockingQueue<Runnable>(1));
1106	>	final CountDownLatch done = new CountDownLatch(1);
1107	>	try {
1108	>	Runnable task = new CheckedRunnable() {
1109	>	public void realRun() throws InterruptedException {
1110	>	done.await();
1111	>	}};
1112	>	for (int i = 0; i < 2; ++i)
1113	>	p.submit(Executors.callable(task));
1114	>	for (int i = 0; i < 2; ++i) {
1115	>	try {
1116	>	p.execute(task);
1117	>	shouldThrow();
1118	>	} catch (RejectedExecutionException success) {}
1119	>	assertTrue(p.getTaskCount() <= 2);
1120	>	}
1121	>	} finally {
1122	>	done.countDown();
1123	>	joinPool(p);
1124	>	}
1125	>	}
1126	>
1127	>	/**
1128	>	* executor using CallerRunsPolicy runs task if saturated.
1129	>	*/
1130	>	public void testSaturatedExecute2() {
1131	>	final ThreadPoolExecutor p =
1132	>	new ThreadPoolExecutor(1, 1,
1133	>	LONG_DELAY_MS,
1134	>	MILLISECONDS,
1135	>	new ArrayBlockingQueue<Runnable>(1),
1136	>	new ThreadPoolExecutor.CallerRunsPolicy());
1137	>	try (PoolCleaner cleaner = cleaner(p)) {
1138	>	final CountDownLatch done = new CountDownLatch(1);
1139	>	Runnable blocker = new CheckedRunnable() {
1140	>	public void realRun() throws InterruptedException {
1141	>	done.await();
1142	>	}};
1143	>	p.execute(blocker);
1144	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145	>	for (int i = 0; i < tasks.length; i++)
1146	>	tasks[i] = new TrackedNoOpRunnable();
1147	>	for (int i = 0; i < tasks.length; i++)
1148	>	p.execute(tasks[i]);
1149	>	for (int i = 1; i < tasks.length; i++)
1150	>	assertTrue(tasks[i].done);
1151	>	assertFalse(tasks[0].done); // waiting in queue
1152	>	done.countDown();
1153	>	}
1154	>	}
1155	>
1156	>	/**
1157	>	* executor using DiscardPolicy drops task if saturated.
1158	>	*/
1159	>	public void testSaturatedExecute3() {
1160	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1161	>	for (int i = 0; i < tasks.length; ++i)
1162	>	tasks[i] = new TrackedNoOpRunnable();
1163	>	final ThreadPoolExecutor p =
1164	>	new ThreadPoolExecutor(1, 1,
1165	>	LONG_DELAY_MS, MILLISECONDS,
1166	>	new ArrayBlockingQueue<Runnable>(1),
1167	>	new ThreadPoolExecutor.DiscardPolicy());
1168	>	try (PoolCleaner cleaner = cleaner(p)) {
1169	>	final CountDownLatch done = new CountDownLatch(1);
1170	>	p.execute(awaiter(done));
1171	>
1172	>	for (TrackedNoOpRunnable task : tasks)
1173	>	p.execute(task);
1174	>	for (int i = 1; i < tasks.length; i++)
1175	>	assertFalse(tasks[i].done);
1176	>	done.countDown();
1177	>	}
1178	>	for (int i = 1; i < tasks.length; i++)
1179	>	assertFalse(tasks[i].done);
1180	>	assertTrue(tasks[0].done); // was waiting in queue
1181	>	}
1182	>
1183	>	/**
1184	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1185	>	*/
1186	>	public void testSaturatedExecute4() {
1187	>	final CountDownLatch done = new CountDownLatch(1);
1188	>	LatchAwaiter r1 = awaiter(done);
1189	>	LatchAwaiter r2 = awaiter(done);
1190	>	LatchAwaiter r3 = awaiter(done);
1191	>	final ThreadPoolExecutor p =
1192	>	new ThreadPoolExecutor(1, 1,
1193	>	LONG_DELAY_MS, MILLISECONDS,
1194	>	new ArrayBlockingQueue<Runnable>(1),
1195	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1196	>	try (PoolCleaner cleaner = cleaner(p)) {
1197	>	assertEquals(LatchAwaiter.NEW, r1.state);
1198	>	assertEquals(LatchAwaiter.NEW, r2.state);
1199	>	assertEquals(LatchAwaiter.NEW, r3.state);
1200	>	p.execute(r1);
1201	>	p.execute(r2);
1202	>	assertTrue(p.getQueue().contains(r2));
1203	>	p.execute(r3);
1204	>	assertFalse(p.getQueue().contains(r2));
1205	>	assertTrue(p.getQueue().contains(r3));
1206	>	done.countDown();
1207	>	}
1208	>	assertEquals(LatchAwaiter.DONE, r1.state);
1209	>	assertEquals(LatchAwaiter.NEW, r2.state);
1210	>	assertEquals(LatchAwaiter.DONE, r3.state);
1211	>	}
1212	>
1213	>	/**
1214	>	* execute throws RejectedExecutionException if shutdown
1215	>	*/
1216	>	public void testRejectedExecutionExceptionOnShutdown() {
1217	>	ThreadPoolExecutor p =
1218	>	new ThreadPoolExecutor(1, 1,
1219	>	LONG_DELAY_MS, MILLISECONDS,
1220	>	new ArrayBlockingQueue<Runnable>(1));
1221	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1222	>	try (PoolCleaner cleaner = cleaner(p)) {
1223	>	try {
1224	>	p.execute(new NoOpRunnable());
1225	>	shouldThrow();
1226	>	} catch (RejectedExecutionException success) {}
1227	>	}
1228	>	}
1229	>
1230	>	/**
1231	>	* execute using CallerRunsPolicy drops task on shutdown
1232	>	*/
1233	>	public void testCallerRunsOnShutdown() {
1234	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1235	>	final ThreadPoolExecutor p =
1236	>	new ThreadPoolExecutor(1, 1,
1237	>	LONG_DELAY_MS, MILLISECONDS,
1238	>	new ArrayBlockingQueue<Runnable>(1), h);
1239	>
1240	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1241	>	try {
1242	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1243	>	p.execute(r);
1244	>	assertFalse(r.done);
1245	>	} finally {
1246	>	joinPool(p);
1247	>	}
1248	>	}
1249	>
1250	>	/**
1251	>	* execute using DiscardPolicy drops task on shutdown
1252	>	*/
1253	>	public void testDiscardOnShutdown() {
1254	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1255	>	ThreadPoolExecutor p =
1256	>	new ThreadPoolExecutor(1, 1,
1257	>	LONG_DELAY_MS, MILLISECONDS,
1258	>	new ArrayBlockingQueue<Runnable>(1),
1259	>	h);
1260	>
1261	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1262	>	try {
1263	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1264	>	p.execute(r);
1265	>	assertFalse(r.done);
1266	>	} finally {
1267	>	joinPool(p);
1268	>	}
1269	>	}
1270	>
1271	>	/**
1272	>	* execute using DiscardOldestPolicy drops task on shutdown
1273	>	*/
1274	>	public void testDiscardOldestOnShutdown() {
1275	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1276	>	ThreadPoolExecutor p =
1277	>	new ThreadPoolExecutor(1, 1,
1278	>	LONG_DELAY_MS, MILLISECONDS,
1279	>	new ArrayBlockingQueue<Runnable>(1),
1280	>	h);
1281	>
1282	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1283	>	try {
1284	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1285	>	p.execute(r);
1286	>	assertFalse(r.done);
1287	>	} finally {
1288	>	joinPool(p);
1289	>	}
1290	>	}
1291	>
1292	>	/**
1293	>	* execute(null) throws NPE
1294	>	*/
1295	>	public void testExecuteNull() {
1296	>	ThreadPoolExecutor p =
1297	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1298	>	new ArrayBlockingQueue<Runnable>(10));
1299		try {
1300	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1300	>	p.execute(null);
1301		shouldThrow();
1302	+	} catch (NullPointerException success) {}
1303	+
1304	+	joinPool(p);
1305	+	}
1306	+
1307	+	/**
1308	+	* setCorePoolSize of negative value throws IllegalArgumentException
1309	+	*/
1310	+	public void testCorePoolSizeIllegalArgumentException() {
1311	+	ThreadPoolExecutor p =
1312	+	new ThreadPoolExecutor(1, 2,
1313	+	LONG_DELAY_MS, MILLISECONDS,
1314	+	new ArrayBlockingQueue<Runnable>(10));
1315	+	try {
1316	+	p.setCorePoolSize(-1);
1317	+	shouldThrow();
1318	+	} catch (IllegalArgumentException success) {
1319	+	} finally {
1320	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1321		}
1322	<	catch (NullPointerException success){}
1322	>	joinPool(p);
1323		}
1324
1325	<	/** Throws if handler is set to null */
1326	<	public void testNullPointerException5() {
1325	>	/**
1326	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1327	>	* given a value less the core pool size
1328	>	*/
1329	>	public void testMaximumPoolSizeIllegalArgumentException() {
1330	>	ThreadPoolExecutor p =
1331	>	new ThreadPoolExecutor(2, 3,
1332	>	LONG_DELAY_MS, MILLISECONDS,
1333	>	new ArrayBlockingQueue<Runnable>(10));
1334		try {
1335	<	RejectedExecutionHandler r = null;
434	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1335	>	p.setMaximumPoolSize(1);
1336		shouldThrow();
1337	+	} catch (IllegalArgumentException success) {
1338	+	} finally {
1339	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1340		}
1341	<	catch (NullPointerException success){}
1341	>	joinPool(p);
1342		}
1343
1344	<
1345	<	/** Throws if corePoolSize argument is less than zero */
1346	<	public void testConstructor16() {
1344	>	/**
1345	>	* setMaximumPoolSize throws IllegalArgumentException
1346	>	* if given a negative value
1347	>	*/
1348	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1349	>	ThreadPoolExecutor p =
1350	>	new ThreadPoolExecutor(2, 3,
1351	>	LONG_DELAY_MS, MILLISECONDS,
1352	>	new ArrayBlockingQueue<Runnable>(10));
1353		try {
1354	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1354	>	p.setMaximumPoolSize(-1);
1355		shouldThrow();
1356	+	} catch (IllegalArgumentException success) {
1357	+	} finally {
1358	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1359		}
1360	<	catch (IllegalArgumentException success){}
1360	>	joinPool(p);
1361		}
1362
1363	<	/** Throws if maximumPoolSize is less than zero */
1364	<	public void testConstructor17() {
1363	>	/**
1364	>	* Configuration changes that allow core pool size greater than
1365	>	* max pool size result in IllegalArgumentException.
1366	>	*/
1367	>	public void testPoolSizeInvariants() {
1368	>	ThreadPoolExecutor p =
1369	>	new ThreadPoolExecutor(1, 1,
1370	>	LONG_DELAY_MS, MILLISECONDS,
1371	>	new ArrayBlockingQueue<Runnable>(10));
1372	>	for (int s = 1; s < 5; s++) {
1373	>	p.setMaximumPoolSize(s);
1374	>	p.setCorePoolSize(s);
1375	>	try {
1376	>	p.setMaximumPoolSize(s - 1);
1377	>	shouldThrow();
1378	>	} catch (IllegalArgumentException success) {}
1379	>	assertEquals(s, p.getCorePoolSize());
1380	>	assertEquals(s, p.getMaximumPoolSize());
1381	>	try {
1382	>	p.setCorePoolSize(s + 1);
1383	>	shouldThrow();
1384	>	} catch (IllegalArgumentException success) {}
1385	>	assertEquals(s, p.getCorePoolSize());
1386	>	assertEquals(s, p.getMaximumPoolSize());
1387	>	}
1388	>	joinPool(p);
1389	>	}
1390	>
1391	>	/**
1392	>	* setKeepAliveTime throws IllegalArgumentException
1393	>	* when given a negative value
1394	>	*/
1395	>	public void testKeepAliveTimeIllegalArgumentException() {
1396	>	ThreadPoolExecutor p =
1397	>	new ThreadPoolExecutor(2, 3,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400		try {
1401	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1401	>	p.setKeepAliveTime(-1,MILLISECONDS);
1402		shouldThrow();
1403	+	} catch (IllegalArgumentException success) {
1404	+	} finally {
1405	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1406		}
1407	<	catch (IllegalArgumentException success){}
1407	>	joinPool(p);
1408		}
1409
1410	<	/** Throws if maximumPoolSize is equal to zero */
1411	<	public void testConstructor18() {
1410	>	/**
1411	>	* terminated() is called on termination
1412	>	*/
1413	>	public void testTerminated() {
1414	>	ExtendedTPE p = new ExtendedTPE();
1415	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1416	>	assertTrue(p.terminatedCalled());
1417	>	joinPool(p);
1418	>	}
1419	>
1420	>	/**
1421	>	* beforeExecute and afterExecute are called when executing task
1422	>	*/
1423	>	public void testBeforeAfter() throws InterruptedException {
1424	>	ExtendedTPE p = new ExtendedTPE();
1425	>	try {
1426	>	final CountDownLatch done = new CountDownLatch(1);
1427	>	p.execute(new CheckedRunnable() {
1428	>	public void realRun() {
1429	>	done.countDown();
1430	>	}});
1431	>	await(p.afterCalled);
1432	>	assertEquals(0, done.getCount());
1433	>	assertTrue(p.afterCalled());
1434	>	assertTrue(p.beforeCalled());
1435	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1436	>	} finally {
1437	>	joinPool(p);
1438	>	}
1439	>	}
1440	>
1441	>	/**
1442	>	* completed submit of callable returns result
1443	>	*/
1444	>	public void testSubmitCallable() throws Exception {
1445	>	ExecutorService e =
1446	>	new ThreadPoolExecutor(2, 2,
1447	>	LONG_DELAY_MS, MILLISECONDS,
1448	>	new ArrayBlockingQueue<Runnable>(10));
1449	>	try {
1450	>	Future<String> future = e.submit(new StringTask());
1451	>	String result = future.get();
1452	>	assertSame(TEST_STRING, result);
1453	>	} finally {
1454	>	joinPool(e);
1455	>	}
1456	>	}
1457	>
1458	>	/**
1459	>	* completed submit of runnable returns successfully
1460	>	*/
1461	>	public void testSubmitRunnable() throws Exception {
1462	>	ExecutorService e =
1463	>	new ThreadPoolExecutor(2, 2,
1464	>	LONG_DELAY_MS, MILLISECONDS,
1465	>	new ArrayBlockingQueue<Runnable>(10));
1466	>	try {
1467	>	Future<?> future = e.submit(new NoOpRunnable());
1468	>	future.get();
1469	>	assertTrue(future.isDone());
1470	>	} finally {
1471	>	joinPool(e);
1472	>	}
1473	>	}
1474	>
1475	>	/**
1476	>	* completed submit of (runnable, result) returns result
1477	>	*/
1478	>	public void testSubmitRunnable2() throws Exception {
1479	>	ExecutorService e =
1480	>	new ThreadPoolExecutor(2, 2,
1481	>	LONG_DELAY_MS, MILLISECONDS,
1482	>	new ArrayBlockingQueue<Runnable>(10));
1483	>	try {
1484	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1485	>	String result = future.get();
1486	>	assertSame(TEST_STRING, result);
1487	>	} finally {
1488	>	joinPool(e);
1489	>	}
1490	>	}
1491	>
1492	>	/**
1493	>	* invokeAny(null) throws NPE
1494	>	*/
1495	>	public void testInvokeAny1() throws Exception {
1496	>	ExecutorService e =
1497	>	new ThreadPoolExecutor(2, 2,
1498	>	LONG_DELAY_MS, MILLISECONDS,
1499	>	new ArrayBlockingQueue<Runnable>(10));
1500		try {
1501	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1501	>	e.invokeAny(null);
1502		shouldThrow();
1503	+	} catch (NullPointerException success) {
1504	+	} finally {
1505	+	joinPool(e);
1506		}
465	–	catch (IllegalArgumentException success){}
1507		}
1508
1509	<	/** Throws if keepAliveTime is less than zero */
1510	<	public void testConstructor19() {
1509	>	/**
1510	>	* invokeAny(empty collection) throws IAE
1511	>	*/
1512	>	public void testInvokeAny2() throws Exception {
1513	>	ExecutorService e =
1514	>	new ThreadPoolExecutor(2, 2,
1515	>	LONG_DELAY_MS, MILLISECONDS,
1516	>	new ArrayBlockingQueue<Runnable>(10));
1517		try {
1518	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1518	>	e.invokeAny(new ArrayList<Callable<String>>());
1519		shouldThrow();
1520	+	} catch (IllegalArgumentException success) {
1521	+	} finally {
1522	+	joinPool(e);
1523		}
474	–	catch (IllegalArgumentException success){}
1524		}
1525
1526	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1527	<	public void testConstructor20() {
1526	>	/**
1527	>	* invokeAny(c) throws NPE if c has null elements
1528	>	*/
1529	>	public void testInvokeAny3() throws Exception {
1530	>	final CountDownLatch latch = new CountDownLatch(1);
1531	>	final ExecutorService e =
1532	>	new ThreadPoolExecutor(2, 2,
1533	>	LONG_DELAY_MS, MILLISECONDS,
1534	>	new ArrayBlockingQueue<Runnable>(10));
1535	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1536	>	l.add(latchAwaitingStringTask(latch));
1537	>	l.add(null);
1538		try {
1539	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1539	>	e.invokeAny(l);
1540		shouldThrow();
1541	+	} catch (NullPointerException success) {
1542	+	} finally {
1543	+	latch.countDown();
1544	+	joinPool(e);
1545		}
483	–	catch (IllegalArgumentException success){}
1546		}
1547
1548	<	/** Throws if workQueue is set to null */
1549	<	public void testNullPointerException6() {
1548	>	/**
1549	>	* invokeAny(c) throws ExecutionException if no task completes
1550	>	*/
1551	>	public void testInvokeAny4() throws Exception {
1552	>	ExecutorService e =
1553	>	new ThreadPoolExecutor(2, 2,
1554	>	LONG_DELAY_MS, MILLISECONDS,
1555	>	new ArrayBlockingQueue<Runnable>(10));
1556	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1557	>	l.add(new NPETask());
1558		try {
1559	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1559	>	e.invokeAny(l);
1560		shouldThrow();
1561	+	} catch (ExecutionException success) {
1562	+	assertTrue(success.getCause() instanceof NullPointerException);
1563	+	} finally {
1564	+	joinPool(e);
1565	+	}
1566	+	}
1567	+
1568	+	/**
1569	+	* invokeAny(c) returns result of some task
1570	+	*/
1571	+	public void testInvokeAny5() throws Exception {
1572	+	ExecutorService e =
1573	+	new ThreadPoolExecutor(2, 2,
1574	+	LONG_DELAY_MS, MILLISECONDS,
1575	+	new ArrayBlockingQueue<Runnable>(10));
1576	+	try {
1577	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1578	+	l.add(new StringTask());
1579	+	l.add(new StringTask());
1580	+	String result = e.invokeAny(l);
1581	+	assertSame(TEST_STRING, result);
1582	+	} finally {
1583	+	joinPool(e);
1584		}
492	–	catch (NullPointerException success){}
1585		}
1586
1587	<	/** Throws if handler is set to null */
1588	<	public void testNullPointerException7() {
1587	>	/**
1588	>	* invokeAll(null) throws NPE
1589	>	*/
1590	>	public void testInvokeAll1() throws Exception {
1591	>	ExecutorService e =
1592	>	new ThreadPoolExecutor(2, 2,
1593	>	LONG_DELAY_MS, MILLISECONDS,
1594	>	new ArrayBlockingQueue<Runnable>(10));
1595		try {
1596	<	RejectedExecutionHandler r = null;
499	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1596	>	e.invokeAll(null);
1597		shouldThrow();
1598	+	} catch (NullPointerException success) {
1599	+	} finally {
1600	+	joinPool(e);
1601		}
502	–	catch (NullPointerException success){}
1602		}
1603
1604	<	/** Throws if ThreadFactory is set top null */
1605	<	public void testNullPointerException8() {
1604	>	/**
1605	>	* invokeAll(empty collection) returns empty collection
1606	>	*/
1607	>	public void testInvokeAll2() throws InterruptedException {
1608	>	ExecutorService e =
1609	>	new ThreadPoolExecutor(2, 2,
1610	>	LONG_DELAY_MS, MILLISECONDS,
1611	>	new ArrayBlockingQueue<Runnable>(10));
1612	>	try {
1613	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1614	>	assertTrue(r.isEmpty());
1615	>	} finally {
1616	>	joinPool(e);
1617	>	}
1618	>	}
1619	>
1620	>	/**
1621	>	* invokeAll(c) throws NPE if c has null elements
1622	>	*/
1623	>	public void testInvokeAll3() throws Exception {
1624	>	ExecutorService e =
1625	>	new ThreadPoolExecutor(2, 2,
1626	>	LONG_DELAY_MS, MILLISECONDS,
1627	>	new ArrayBlockingQueue<Runnable>(10));
1628	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1629	>	l.add(new StringTask());
1630	>	l.add(null);
1631		try {
1632	<	ThreadFactory f = null;
509	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1632	>	e.invokeAll(l);
1633		shouldThrow();
1634	+	} catch (NullPointerException success) {
1635	+	} finally {
1636	+	joinPool(e);
1637	+	}
1638	+	}
1639	+
1640	+	/**
1641	+	* get of element of invokeAll(c) throws exception on failed task
1642	+	*/
1643	+	public void testInvokeAll4() throws Exception {
1644	+	ExecutorService e =
1645	+	new ThreadPoolExecutor(2, 2,
1646	+	LONG_DELAY_MS, MILLISECONDS,
1647	+	new ArrayBlockingQueue<Runnable>(10));
1648	+	try {
1649	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1650	+	l.add(new NPETask());
1651	+	List<Future<String>> futures = e.invokeAll(l);
1652	+	assertEquals(1, futures.size());
1653	+	try {
1654	+	futures.get(0).get();
1655	+	shouldThrow();
1656	+	} catch (ExecutionException success) {
1657	+	assertTrue(success.getCause() instanceof NullPointerException);
1658	+	}
1659	+	} finally {
1660	+	joinPool(e);
1661	+	}
1662	+	}
1663	+
1664	+	/**
1665	+	* invokeAll(c) returns results of all completed tasks
1666	+	*/
1667	+	public void testInvokeAll5() throws Exception {
1668	+	ExecutorService e =
1669	+	new ThreadPoolExecutor(2, 2,
1670	+	LONG_DELAY_MS, MILLISECONDS,
1671	+	new ArrayBlockingQueue<Runnable>(10));
1672	+	try {
1673	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1674	+	l.add(new StringTask());
1675	+	l.add(new StringTask());
1676	+	List<Future<String>> futures = e.invokeAll(l);
1677	+	assertEquals(2, futures.size());
1678	+	for (Future<String> future : futures)
1679	+	assertSame(TEST_STRING, future.get());
1680	+	} finally {
1681	+	joinPool(e);
1682		}
512	–	catch (NullPointerException successdn8){}
1683		}
514	–
1684
1685		/**
1686	<	*   execute will throw RejectedExcutionException
518	<	*  ThreadPoolExecutor will throw one when more runnables are
519	<	*  executed then will fit in the Queue.
1686	>	* timed invokeAny(null) throws NPE
1687		*/
1688	<	public void testRejectedExecutionException() {
1689	<	ThreadPoolExecutor tpe = null;
1688	>	public void testTimedInvokeAny1() throws Exception {
1689	>	ExecutorService e =
1690	>	new ThreadPoolExecutor(2, 2,
1691	>	LONG_DELAY_MS, MILLISECONDS,
1692	>	new ArrayBlockingQueue<Runnable>(10));
1693		try {
1694	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1695	<	} catch(Exception e){}
1696	<	tpe.shutdown();
1697	<	try {
1698	<	tpe.execute(new NoOpRunnable());
1699	<	shouldThrow();
530	<	} catch(RejectedExecutionException success){}
531	<
532	<	joinPool(tpe);
1694	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1695	>	shouldThrow();
1696	>	} catch (NullPointerException success) {
1697	>	} finally {
1698	>	joinPool(e);
1699	>	}
1700		}
1701	<
1701	>
1702		/**
1703	<	*   setCorePoolSize will throw IllegalArgumentException
537	<	*  when given a negative
1703	>	* timed invokeAny(,,null) throws NPE
1704		*/
1705	<	public void testCorePoolSizeIllegalArgumentException() {
1706	<	ThreadPoolExecutor tpe = null;
1707	<	try {
1708	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1709	<	} catch(Exception e){}
1710	<	try {
1711	<	tpe.setCorePoolSize(-1);
546	<	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;
1705	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1706	>	ExecutorService e =
1707	>	new ThreadPoolExecutor(2, 2,
1708	>	LONG_DELAY_MS, MILLISECONDS,
1709	>	new ArrayBlockingQueue<Runnable>(10));
1710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1711	>	l.add(new StringTask());
1712		try {
1713	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1714	<	} catch(Exception e){}
1713	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1714	>	shouldThrow();
1715	>	} catch (NullPointerException success) {
1716	>	} finally {
1717	>	joinPool(e);
1718	>	}
1719	>	}
1720	>
1721	>	/**
1722	>	* timed invokeAny(empty collection) throws IAE
1723	>	*/
1724	>	public void testTimedInvokeAny2() throws Exception {
1725	>	ExecutorService e =
1726	>	new ThreadPoolExecutor(2, 2,
1727	>	LONG_DELAY_MS, MILLISECONDS,
1728	>	new ArrayBlockingQueue<Runnable>(10));
1729		try {
1730	<	tpe.setMaximumPoolSize(1);
1730	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1731		shouldThrow();
1732	<	} catch(IllegalArgumentException success){
1732	>	} catch (IllegalArgumentException success) {
1733		} finally {
1734	<	tpe.shutdown();
1734	>	joinPool(e);
1735		}
571	–	joinPool(tpe);
1736		}
1737	<
1737	>
1738		/**
1739	<	*   setMaximumPoolSize will throw IllegalArgumentException
576	<	*  if given a negative number
1739	>	* timed invokeAny(c) throws NPE if c has null elements
1740		*/
1741	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1742	<	ThreadPoolExecutor tpe = null;
1741	>	public void testTimedInvokeAny3() throws Exception {
1742	>	final CountDownLatch latch = new CountDownLatch(1);
1743	>	final ExecutorService e =
1744	>	new ThreadPoolExecutor(2, 2,
1745	>	LONG_DELAY_MS, MILLISECONDS,
1746	>	new ArrayBlockingQueue<Runnable>(10));
1747	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1748	>	l.add(latchAwaitingStringTask(latch));
1749	>	l.add(null);
1750		try {
1751	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1752	<	} catch(Exception e){}
1751	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1752	>	shouldThrow();
1753	>	} catch (NullPointerException success) {
1754	>	} finally {
1755	>	latch.countDown();
1756	>	joinPool(e);
1757	>	}
1758	>	}
1759	>
1760	>	/**
1761	>	* timed invokeAny(c) throws ExecutionException if no task completes
1762	>	*/
1763	>	public void testTimedInvokeAny4() throws Exception {
1764	>	ExecutorService e =
1765	>	new ThreadPoolExecutor(2, 2,
1766	>	LONG_DELAY_MS, MILLISECONDS,
1767	>	new ArrayBlockingQueue<Runnable>(10));
1768	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1769	>	l.add(new NPETask());
1770		try {
1771	<	tpe.setMaximumPoolSize(-1);
1771	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1772		shouldThrow();
1773	<	} catch(IllegalArgumentException success){
1773	>	} catch (ExecutionException success) {
1774	>	assertTrue(success.getCause() instanceof NullPointerException);
1775		} finally {
1776	<	tpe.shutdown();
1776	>	joinPool(e);
1777		}
590	–	joinPool(tpe);
1778		}
592	–
1779
1780		/**
1781	<	*   setKeepAliveTime will throw IllegalArgumentException
596	<	*  when given a negative value
1781	>	* timed invokeAny(c) returns result of some task
1782		*/
1783	<	public void testKeepAliveTimeIllegalArgumentException() {
1784	<	ThreadPoolExecutor tpe = null;
1783	>	public void testTimedInvokeAny5() throws Exception {
1784	>	ExecutorService e =
1785	>	new ThreadPoolExecutor(2, 2,
1786	>	LONG_DELAY_MS, MILLISECONDS,
1787	>	new ArrayBlockingQueue<Runnable>(10));
1788	>	try {
1789	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1790	>	l.add(new StringTask());
1791	>	l.add(new StringTask());
1792	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1793	>	assertSame(TEST_STRING, result);
1794	>	} finally {
1795	>	joinPool(e);
1796	>	}
1797	>	}
1798	>
1799	>	/**
1800	>	* timed invokeAll(null) throws NPE
1801	>	*/
1802	>	public void testTimedInvokeAll1() throws Exception {
1803	>	ExecutorService e =
1804	>	new ThreadPoolExecutor(2, 2,
1805	>	LONG_DELAY_MS, MILLISECONDS,
1806	>	new ArrayBlockingQueue<Runnable>(10));
1807	>	try {
1808	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1809	>	shouldThrow();
1810	>	} catch (NullPointerException success) {
1811	>	} finally {
1812	>	joinPool(e);
1813	>	}
1814	>	}
1815	>
1816	>	/**
1817	>	* timed invokeAll(,,null) throws NPE
1818	>	*/
1819	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1820	>	ExecutorService e =
1821	>	new ThreadPoolExecutor(2, 2,
1822	>	LONG_DELAY_MS, MILLISECONDS,
1823	>	new ArrayBlockingQueue<Runnable>(10));
1824	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1825	>	l.add(new StringTask());
1826		try {
1827	<	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);
1827	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1828		shouldThrow();
1829	<	} catch(IllegalArgumentException success){
1829	>	} catch (NullPointerException success) {
1830		} finally {
1831	<	tpe.shutdown();
1831	>	joinPool(e);
1832		}
611	–	joinPool(tpe);
1833		}
1834	<
1834	>
1835	>	/**
1836	>	* timed invokeAll(empty collection) returns empty collection
1837	>	*/
1838	>	public void testTimedInvokeAll2() throws InterruptedException {
1839	>	ExecutorService e =
1840	>	new ThreadPoolExecutor(2, 2,
1841	>	LONG_DELAY_MS, MILLISECONDS,
1842	>	new ArrayBlockingQueue<Runnable>(10));
1843	>	try {
1844	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1845	>	assertTrue(r.isEmpty());
1846	>	} finally {
1847	>	joinPool(e);
1848	>	}
1849	>	}
1850	>
1851	>	/**
1852	>	* timed invokeAll(c) throws NPE if c has null elements
1853	>	*/
1854	>	public void testTimedInvokeAll3() throws Exception {
1855	>	ExecutorService e =
1856	>	new ThreadPoolExecutor(2, 2,
1857	>	LONG_DELAY_MS, MILLISECONDS,
1858	>	new ArrayBlockingQueue<Runnable>(10));
1859	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1860	>	l.add(new StringTask());
1861	>	l.add(null);
1862	>	try {
1863	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1864	>	shouldThrow();
1865	>	} catch (NullPointerException success) {
1866	>	} finally {
1867	>	joinPool(e);
1868	>	}
1869	>	}
1870	>
1871	>	/**
1872	>	* get of element of invokeAll(c) throws exception on failed task
1873	>	*/
1874	>	public void testTimedInvokeAll4() throws Exception {
1875	>	ExecutorService e =
1876	>	new ThreadPoolExecutor(2, 2,
1877	>	LONG_DELAY_MS, MILLISECONDS,
1878	>	new ArrayBlockingQueue<Runnable>(10));
1879	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1880	>	l.add(new NPETask());
1881	>	List<Future<String>> futures =
1882	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1883	>	assertEquals(1, futures.size());
1884	>	try {
1885	>	futures.get(0).get();
1886	>	shouldThrow();
1887	>	} catch (ExecutionException success) {
1888	>	assertTrue(success.getCause() instanceof NullPointerException);
1889	>	} finally {
1890	>	joinPool(e);
1891	>	}
1892	>	}
1893	>
1894	>	/**
1895	>	* timed invokeAll(c) returns results of all completed tasks
1896	>	*/
1897	>	public void testTimedInvokeAll5() throws Exception {
1898	>	ExecutorService e =
1899	>	new ThreadPoolExecutor(2, 2,
1900	>	LONG_DELAY_MS, MILLISECONDS,
1901	>	new ArrayBlockingQueue<Runnable>(10));
1902	>	try {
1903	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1904	>	l.add(new StringTask());
1905	>	l.add(new StringTask());
1906	>	List<Future<String>> futures =
1907	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1908	>	assertEquals(2, futures.size());
1909	>	for (Future<String> future : futures)
1910	>	assertSame(TEST_STRING, future.get());
1911	>	} finally {
1912	>	joinPool(e);
1913	>	}
1914	>	}
1915	>
1916	>	/**
1917	>	* timed invokeAll(c) cancels tasks not completed by timeout
1918	>	*/
1919	>	public void testTimedInvokeAll6() throws Exception {
1920	>	ExecutorService e =
1921	>	new ThreadPoolExecutor(2, 2,
1922	>	LONG_DELAY_MS, MILLISECONDS,
1923	>	new ArrayBlockingQueue<Runnable>(10));
1924	>	try {
1925	>	for (long timeout = timeoutMillis();;) {
1926	>	List<Callable<String>> tasks = new ArrayList<>();
1927	>	tasks.add(new StringTask("0"));
1928	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1929	>	tasks.add(new StringTask("2"));
1930	>	long startTime = System.nanoTime();
1931	>	List<Future<String>> futures =
1932	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1933	>	assertEquals(tasks.size(), futures.size());
1934	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1935	>	for (Future future : futures)
1936	>	assertTrue(future.isDone());
1937	>	assertTrue(futures.get(1).isCancelled());
1938	>	try {
1939	>	assertEquals("0", futures.get(0).get());
1940	>	assertEquals("2", futures.get(2).get());
1941	>	break;
1942	>	} catch (CancellationException retryWithLongerTimeout) {
1943	>	timeout *= 2;
1944	>	if (timeout >= LONG_DELAY_MS / 2)
1945	>	fail("expected exactly one task to be cancelled");
1946	>	}
1947	>	}
1948	>	} finally {
1949	>	joinPool(e);
1950	>	}
1951	>	}
1952	>
1953	>	/**
1954	>	* Execution continues if there is at least one thread even if
1955	>	* thread factory fails to create more
1956	>	*/
1957	>	public void testFailingThreadFactory() throws InterruptedException {
1958	>	final ExecutorService e =
1959	>	new ThreadPoolExecutor(100, 100,
1960	>	LONG_DELAY_MS, MILLISECONDS,
1961	>	new LinkedBlockingQueue<Runnable>(),
1962	>	new FailingThreadFactory());
1963	>	try {
1964	>	final int TASKS = 100;
1965	>	final CountDownLatch done = new CountDownLatch(TASKS);
1966	>	for (int k = 0; k < TASKS; ++k)
1967	>	e.execute(new CheckedRunnable() {
1968	>	public void realRun() {
1969	>	done.countDown();
1970	>	}});
1971	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1972	>	} finally {
1973	>	joinPool(e);
1974	>	}
1975	>	}
1976	>
1977	>	/**
1978	>	* allowsCoreThreadTimeOut is by default false.
1979	>	*/
1980	>	public void testAllowsCoreThreadTimeOut() {
1981	>	final ThreadPoolExecutor p =
1982	>	new ThreadPoolExecutor(2, 2,
1983	>	1000, MILLISECONDS,
1984	>	new ArrayBlockingQueue<Runnable>(10));
1985	>	assertFalse(p.allowsCoreThreadTimeOut());
1986	>	joinPool(p);
1987	>	}
1988	>
1989	>	/**
1990	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1991	>	*/
1992	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1993	>	long keepAliveTime = timeoutMillis();
1994	>	final ThreadPoolExecutor p =
1995	>	new ThreadPoolExecutor(2, 10,
1996	>	keepAliveTime, MILLISECONDS,
1997	>	new ArrayBlockingQueue<Runnable>(10));
1998	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1999	>	try {
2000	>	p.allowCoreThreadTimeOut(true);
2001	>	p.execute(new CheckedRunnable() {
2002	>	public void realRun() {
2003	>	threadStarted.countDown();
2004	>	assertEquals(1, p.getPoolSize());
2005	>	}});
2006	>	await(threadStarted);
2007	>	delay(keepAliveTime);
2008	>	long startTime = System.nanoTime();
2009	>	while (p.getPoolSize() > 0
2010	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2011	>	Thread.yield();
2012	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2013	>	assertEquals(0, p.getPoolSize());
2014	>	} finally {
2015	>	joinPool(p);
2016	>	}
2017	>	}
2018	>
2019	>	/**
2020	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2021	>	*/
2022	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2023	>	long keepAliveTime = timeoutMillis();
2024	>	final ThreadPoolExecutor p =
2025	>	new ThreadPoolExecutor(2, 10,
2026	>	keepAliveTime, MILLISECONDS,
2027	>	new ArrayBlockingQueue<Runnable>(10));
2028	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2029	>	try {
2030	>	p.allowCoreThreadTimeOut(false);
2031	>	p.execute(new CheckedRunnable() {
2032	>	public void realRun() throws InterruptedException {
2033	>	threadStarted.countDown();
2034	>	assertTrue(p.getPoolSize() >= 1);
2035	>	}});
2036	>	delay(2 * keepAliveTime);
2037	>	assertTrue(p.getPoolSize() >= 1);
2038	>	} finally {
2039	>	joinPool(p);
2040	>	}
2041	>	}
2042	>
2043	>	/**
2044	>	* execute allows the same task to be submitted multiple times, even
2045	>	* if rejected
2046	>	*/
2047	>	public void testRejectedRecycledTask() throws InterruptedException {
2048	>	final int nTasks = 1000;
2049	>	final CountDownLatch done = new CountDownLatch(nTasks);
2050	>	final Runnable recycledTask = new Runnable() {
2051	>	public void run() {
2052	>	done.countDown();
2053	>	}};
2054	>	final ThreadPoolExecutor p =
2055	>	new ThreadPoolExecutor(1, 30,
2056	>	60, SECONDS,
2057	>	new ArrayBlockingQueue(30));
2058	>	try {
2059	>	for (int i = 0; i < nTasks; ++i) {
2060	>	for (;;) {
2061	>	try {
2062	>	p.execute(recycledTask);
2063	>	break;
2064	>	}
2065	>	catch (RejectedExecutionException ignore) {}
2066	>	}
2067	>	}
2068	>	// enough time to run all tasks
2069	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2070	>	} finally {
2071	>	joinPool(p);
2072	>	}
2073	>	}
2074	>
2075	>	/**
2076	>	* get(cancelled task) throws CancellationException
2077	>	*/
2078	>	public void testGet_cancelled() throws Exception {
2079	>	final ExecutorService e =
2080	>	new ThreadPoolExecutor(1, 1,
2081	>	LONG_DELAY_MS, MILLISECONDS,
2082	>	new LinkedBlockingQueue<Runnable>());
2083	>	try {
2084	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2085	>	final CountDownLatch done = new CountDownLatch(1);
2086	>	final List<Future<?>> futures = new ArrayList<>();
2087	>	for (int i = 0; i < 2; i++) {
2088	>	Runnable r = new CheckedRunnable() { public void realRun()
2089	>	throws Throwable {
2090	>	blockerStarted.countDown();
2091	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2092	>	}};
2093	>	futures.add(e.submit(r));
2094	>	}
2095	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2096	>	for (Future<?> future : futures) future.cancel(false);
2097	>	for (Future<?> future : futures) {
2098	>	try {
2099	>	future.get();
2100	>	shouldThrow();
2101	>	} catch (CancellationException success) {}
2102	>	try {
2103	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2104	>	shouldThrow();
2105	>	} catch (CancellationException success) {}
2106	>	assertTrue(future.isCancelled());
2107	>	assertTrue(future.isDone());
2108	>	}
2109	>	done.countDown();
2110	>	} finally {
2111	>	joinPool(e);
2112	>	}
2113	>	}
2114	>
2115		}

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