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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.72 by jsr166, Sun Oct 4 01:52:43 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45	>	static class ExtendedTPE extends ThreadPoolExecutor {
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() {
93	>	done.countDown();
94	>	}};
95	>	try {
96	>	p.execute(task);
97	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98	>	} finally {
99	>	joinPool(p);
100	>	}
101		}
102
103		/**
104	<	* For use as RejectedExecutionHandler in constructors
104	>	* getActiveCount increases but doesn't overestimate, when a
105	>	* thread becomes active
106		*/
107	<	static class MyREHandler implements RejectedExecutionHandler{
108	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
107	>	public void testGetActiveCount() throws InterruptedException {
108	>	final ThreadPoolExecutor p =
109	>	new ThreadPoolExecutor(2, 2,
110	>	LONG_DELAY_MS, MILLISECONDS,
111	>	new ArrayBlockingQueue<Runnable>(10));
112	>	final CountDownLatch threadStarted = new CountDownLatch(1);
113	>	final CountDownLatch done = new CountDownLatch(1);
114	>	try {
115	>	assertEquals(0, p.getActiveCount());
116	>	p.execute(new CheckedRunnable() {
117	>	public void realRun() throws InterruptedException {
118	>	threadStarted.countDown();
119	>	assertEquals(1, p.getActiveCount());
120	>	done.await();
121	>	}});
122	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123	>	assertEquals(1, p.getActiveCount());
124	>	} finally {
125	>	done.countDown();
126	>	joinPool(p);
127	>	}
128		}
129	<
129	>
130		/**
131	<	*   execute successfully executes a runnable
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133	<	public void testExecute() {
134	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	try {
136	<	p1.execute(new Runnable() {
137	<	public void run() {
138	<	try {
139	<	Thread.sleep(SHORT_DELAY_MS);
140	<	} catch(InterruptedException e){
141	<	threadUnexpectedException();
142	<	}
143	<	}
144	<	});
145	<	Thread.sleep(SMALL_DELAY_MS);
146	<	} catch(InterruptedException e){
147	<	unexpectedException();
148	<	}
149	<	joinPool(p1);
133	>	public void testPrestartCoreThread() {
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153	>	}
154	>	}
155	>
156	>	/**
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158	>	*/
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175	>	}
176	>	}
177	>
178	>	/**
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181	>	*/
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210		}
211
212		/**
213	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214		*/
215	<	public void testGetActiveCount() {
216	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217	<	assertEquals(0, p2.getActiveCount());
218	<	p2.execute(new MediumRunnable());
219	<	try {
220	<	Thread.sleep(SHORT_DELAY_MS);
221	<	} catch(Exception e){
69	<	unexpectedException();
215	>	public void testGetCorePoolSize() {
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
223		}
224	<
224	>
225		/**
226	<	*   getCompletedTaskCount increases, but doesn't overestimate,
77	<	*   when tasks complete
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228	<	public void testGetCompletedTaskCount() {
229	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230	<	assertEquals(0, p2.getCompletedTaskCount());
231	<	p2.execute(new ShortRunnable());
232	<	try {
233	<	Thread.sleep(MEDIUM_DELAY_MS);
234	<	} catch(Exception e){
86	<	unexpectedException();
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
235		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
236		}
237	<
237	>
238		/**
239	<	*   getCorePoolSize returns size given in constructor if not otherwise set
239	>	* getThreadFactory returns factory in constructor if not set
240		*/
241	<	public void testGetCorePoolSize() {
242	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243	<	assertEquals(1, p1.getCorePoolSize());
244	<	joinPool(p1);
241	>	public void testGetThreadFactory() {
242	>	ThreadFactory threadFactory = new SimpleThreadFactory();
243	>	final ThreadPoolExecutor p =
244	>	new ThreadPoolExecutor(1, 2,
245	>	LONG_DELAY_MS, MILLISECONDS,
246	>	new ArrayBlockingQueue<Runnable>(10),
247	>	threadFactory,
248	>	new NoOpREHandler());
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	assertSame(threadFactory, p.getThreadFactory());
251	>	}
252		}
253	<
253	>
254		/**
255	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
255	>	* setThreadFactory sets the thread factory returned by getThreadFactory
256		*/
257	<	public void testGetKeepAliveTime() {
258	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
260	<	joinPool(p2);
261	<	}
262	<
263	<	/**
264	<	*   getLargestPoolSize increases, but doesn't overestimate, when
265	<	*   multiple threads active
266	<	*/
115	<	public void testGetLargestPoolSize() {
116	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	try {
118	<	assertEquals(0, p2.getLargestPoolSize());
119	<	p2.execute(new MediumRunnable());
120	<	p2.execute(new MediumRunnable());
121	<	Thread.sleep(SHORT_DELAY_MS);
122	<	assertEquals(2, p2.getLargestPoolSize());
123	<	} catch(Exception e){
124	<	unexpectedException();
125	<	}
126	<	joinPool(p2);
257	>	public void testSetThreadFactory() {
258	>	final ThreadPoolExecutor p =
259	>	new ThreadPoolExecutor(1, 2,
260	>	LONG_DELAY_MS, MILLISECONDS,
261	>	new ArrayBlockingQueue<Runnable>(10));
262	>	try (PoolCleaner cleaner = cleaner(p)) {
263	>	ThreadFactory threadFactory = new SimpleThreadFactory();
264	>	p.setThreadFactory(threadFactory);
265	>	assertSame(threadFactory, p.getThreadFactory());
266	>	}
267		}
268	<
268	>
269		/**
270	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
270	>	* setThreadFactory(null) throws NPE
271		*/
272	<	public void testGetMaximumPoolSize() {
273	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
274	<	assertEquals(2, p2.getMaximumPoolSize());
275	<	joinPool(p2);
272	>	public void testSetThreadFactoryNull() {
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10));
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.setThreadFactory(null);
280	>	shouldThrow();
281	>	} catch (NullPointerException success) {}
282	>	}
283		}
284	<
284	>
285		/**
286	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
286	>	* getRejectedExecutionHandler returns handler in constructor if not set
287		*/
288	<	public void testGetPoolSize() {
289	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
290	<	assertEquals(0, p1.getPoolSize());
291	<	p1.execute(new MediumRunnable());
292	<	assertEquals(1, p1.getPoolSize());
293	<	joinPool(p1);
288	>	public void testGetRejectedExecutionHandler() {
289	>	final RejectedExecutionHandler h = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	h);
295	>	assertSame(h, p.getRejectedExecutionHandler());
296	>	joinPool(p);
297		}
298	<
298	>
299		/**
300	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
300	>	* setRejectedExecutionHandler sets the handler returned by
301	>	* getRejectedExecutionHandler
302		*/
303	<	public void testGetTaskCount() {
304	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
303	>	public void testSetRejectedExecutionHandler() {
304	>	final ThreadPoolExecutor p =
305	>	new ThreadPoolExecutor(1, 2,
306	>	LONG_DELAY_MS, MILLISECONDS,
307	>	new ArrayBlockingQueue<Runnable>(10));
308	>	RejectedExecutionHandler h = new NoOpREHandler();
309	>	p.setRejectedExecutionHandler(h);
310	>	assertSame(h, p.getRejectedExecutionHandler());
311	>	joinPool(p);
312	>	}
313	>
314	>	/**
315	>	* setRejectedExecutionHandler(null) throws NPE
316	>	*/
317	>	public void testSetRejectedExecutionHandlerNull() {
318	>	final ThreadPoolExecutor p =
319	>	new ThreadPoolExecutor(1, 2,
320	>	LONG_DELAY_MS, MILLISECONDS,
321	>	new ArrayBlockingQueue<Runnable>(10));
322		try {
323	<	assertEquals(0, p1.getTaskCount());
324	<	p1.execute(new MediumRunnable());
325	<	Thread.sleep(SHORT_DELAY_MS);
326	<	assertEquals(1, p1.getTaskCount());
327	<	} catch(Exception e){
328	<	unexpectedException();
163	<	}
164	<	joinPool(p1);
323	>	p.setRejectedExecutionHandler(null);
324	>	shouldThrow();
325	>	} catch (NullPointerException success) {
326	>	} finally {
327	>	joinPool(p);
328	>	}
329		}
330	<
330	>
331		/**
332	<	*   isShutDown is false before shutdown, true after
332	>	* getLargestPoolSize increases, but doesn't overestimate, when
333	>	* multiple threads active
334		*/
335	<	public void testIsShutdown() {
336	<
337	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
338	<	assertFalse(p1.isShutdown());
339	<	p1.shutdown();
340	<	assertTrue(p1.isShutdown());
341	<	joinPool(p1);
335	>	public void testGetLargestPoolSize() throws InterruptedException {
336	>	final int THREADS = 3;
337	>	final ThreadPoolExecutor p =
338	>	new ThreadPoolExecutor(THREADS, THREADS,
339	>	LONG_DELAY_MS, MILLISECONDS,
340	>	new ArrayBlockingQueue<Runnable>(10));
341	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
342	>	final CountDownLatch done = new CountDownLatch(1);
343	>	try {
344	>	assertEquals(0, p.getLargestPoolSize());
345	>	for (int i = 0; i < THREADS; i++)
346	>	p.execute(new CheckedRunnable() {
347	>	public void realRun() throws InterruptedException {
348	>	threadsStarted.countDown();
349	>	done.await();
350	>	assertEquals(THREADS, p.getLargestPoolSize());
351	>	}});
352	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
353	>	assertEquals(THREADS, p.getLargestPoolSize());
354	>	} finally {
355	>	done.countDown();
356	>	joinPool(p);
357	>	assertEquals(THREADS, p.getLargestPoolSize());
358	>	}
359		}
360
179	–
361		/**
362	<	*  isTerminated is false before termination, true after
362	>	* getMaximumPoolSize returns value given in constructor if not
363	>	* otherwise set
364		*/
365	<	public void testIsTerminated() {
366	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
367	<	assertFalse(p1.isTerminated());
368	<	try {
369	<	p1.execute(new MediumRunnable());
365	>	public void testGetMaximumPoolSize() {
366	>	final ThreadPoolExecutor p =
367	>	new ThreadPoolExecutor(2, 3,
368	>	LONG_DELAY_MS, MILLISECONDS,
369	>	new ArrayBlockingQueue<Runnable>(10));
370	>	assertEquals(3, p.getMaximumPoolSize());
371	>	joinPool(p);
372	>	}
373	>
374	>	/**
375	>	* getPoolSize increases, but doesn't overestimate, when threads
376	>	* become active
377	>	*/
378	>	public void testGetPoolSize() throws InterruptedException {
379	>	final ThreadPoolExecutor p =
380	>	new ThreadPoolExecutor(1, 1,
381	>	LONG_DELAY_MS, MILLISECONDS,
382	>	new ArrayBlockingQueue<Runnable>(10));
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385	>	try {
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395		} finally {
396	<	p1.shutdown();
396	>	done.countDown();
397	>	joinPool(p);
398		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
399		}
400
401		/**
402	<	*  isTerminating is not true when running or when terminated
402	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
403		*/
404	<	public void testIsTerminating() {
405	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
406	<	assertFalse(p1.isTerminating());
407	<	try {
408	<	p1.execute(new SmallRunnable());
409	<	assertFalse(p1.isTerminating());
404	>	public void testGetTaskCount() throws InterruptedException {
405	>	final ThreadPoolExecutor p =
406	>	new ThreadPoolExecutor(1, 1,
407	>	LONG_DELAY_MS, MILLISECONDS,
408	>	new ArrayBlockingQueue<Runnable>(10));
409	>	final CountDownLatch threadStarted = new CountDownLatch(1);
410	>	final CountDownLatch done = new CountDownLatch(1);
411	>	try {
412	>	assertEquals(0, p.getTaskCount());
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	assertEquals(1, p.getTaskCount());
417	>	done.await();
418	>	}});
419	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
420	>	assertEquals(1, p.getTaskCount());
421		} finally {
422	<	p1.shutdown();
422	>	done.countDown();
423	>	joinPool(p);
424		}
211	–	try {
212	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
213	–	assertTrue(p1.isTerminated());
214	–	assertFalse(p1.isTerminating());
215	–	} catch(Exception e){
216	–	unexpectedException();
217	–	}
425		}
426
427		/**
428	<	*   purge removes cancelled tasks from the queue
428	>	* isShutdown is false before shutdown, true after
429	>	*/
430	>	public void testIsShutdown() {
431	>	final ThreadPoolExecutor p =
432	>	new ThreadPoolExecutor(1, 1,
433	>	LONG_DELAY_MS, MILLISECONDS,
434	>	new ArrayBlockingQueue<Runnable>(10));
435	>	assertFalse(p.isShutdown());
436	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
437	>	assertTrue(p.isShutdown());
438	>	joinPool(p);
439	>	}
440	>
441	>	/**
442	>	* awaitTermination on a non-shutdown pool times out
443		*/
444	<	public void testPurge() {
445	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
446	<	CancellableTask[] tasks = new CancellableTask[5];
447	<	for(int i = 0; i < 5; i++){
448	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
449	<	p1.execute(tasks[i]);
444	>	public void testAwaitTermination_timesOut() throws InterruptedException {
445	>	final ThreadPoolExecutor p =
446	>	new ThreadPoolExecutor(1, 1,
447	>	LONG_DELAY_MS, MILLISECONDS,
448	>	new ArrayBlockingQueue<Runnable>(10));
449	>	assertFalse(p.isTerminated());
450	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
452	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
453	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
454	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
455	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
456	>	long timeoutNanos = 999999L;
457	>	long startTime = System.nanoTime();
458	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
459	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
460	>	assertFalse(p.isTerminated());
461	>	startTime = System.nanoTime();
462	>	long timeoutMillis = timeoutMillis();
463	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
464	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
465	>	assertFalse(p.isTerminated());
466	>	p.shutdown();
467	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
468	>	assertTrue(p.isTerminated());
469	>	}
470	>
471	>	/**
472	>	* isTerminated is false before termination, true after
473	>	*/
474	>	public void testIsTerminated() throws InterruptedException {
475	>	final ThreadPoolExecutor p =
476	>	new ThreadPoolExecutor(1, 1,
477	>	LONG_DELAY_MS, MILLISECONDS,
478	>	new ArrayBlockingQueue<Runnable>(10));
479	>	final CountDownLatch threadStarted = new CountDownLatch(1);
480	>	final CountDownLatch done = new CountDownLatch(1);
481	>	assertFalse(p.isTerminated());
482	>	try {
483	>	p.execute(new CheckedRunnable() {
484	>	public void realRun() throws InterruptedException {
485	>	assertFalse(p.isTerminated());
486	>	threadStarted.countDown();
487	>	done.await();
488	>	}});
489	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
490	>	assertFalse(p.isTerminating());
491	>	done.countDown();
492	>	} finally {
493	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
494		}
495	<	tasks[4].cancel(true);
496	<	tasks[3].cancel(true);
232	<	p1.purge();
233	<	long count = p1.getTaskCount();
234	<	assertTrue(count >= 2 && count < 5);
235	<	joinPool(p1);
495	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
496	>	assertTrue(p.isTerminated());
497		}
498
499		/**
500	<	*  shutDownNow returns a list containing tasks that were not run
500	>	* isTerminating is not true when running or when terminated
501		*/
502	<	public void testShutDownNow() {
503	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
504	<	List l;
505	<	try {
506	<	for(int i = 0; i < 5; i++)
507	<	p1.execute(new MediumPossiblyInterruptedRunnable());
502	>	public void testIsTerminating() throws InterruptedException {
503	>	final ThreadPoolExecutor p =
504	>	new ThreadPoolExecutor(1, 1,
505	>	LONG_DELAY_MS, MILLISECONDS,
506	>	new ArrayBlockingQueue<Runnable>(10));
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	try {
510	>	assertFalse(p.isTerminating());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminating());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520	>	} finally {
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522		}
523	<	finally {
524	<	l = p1.shutdownNow();
523	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	>	assertTrue(p.isTerminated());
525	>	assertFalse(p.isTerminating());
526	>	}
527	>
528	>	/**
529	>	* getQueue returns the work queue, which contains queued tasks
530	>	*/
531	>	public void testGetQueue() throws InterruptedException {
532	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
533	>	final ThreadPoolExecutor p =
534	>	new ThreadPoolExecutor(1, 1,
535	>	LONG_DELAY_MS, MILLISECONDS,
536	>	q);
537	>	final CountDownLatch threadStarted = new CountDownLatch(1);
538	>	final CountDownLatch done = new CountDownLatch(1);
539	>	try {
540	>	FutureTask[] tasks = new FutureTask[5];
541	>	for (int i = 0; i < tasks.length; i++) {
542	>	Callable task = new CheckedCallable<Boolean>() {
543	>	public Boolean realCall() throws InterruptedException {
544	>	threadStarted.countDown();
545	>	assertSame(q, p.getQueue());
546	>	done.await();
547	>	return Boolean.TRUE;
548	>	}};
549	>	tasks[i] = new FutureTask(task);
550	>	p.execute(tasks[i]);
551	>	}
552	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
553	>	assertSame(q, p.getQueue());
554	>	assertFalse(q.contains(tasks[0]));
555	>	assertTrue(q.contains(tasks[tasks.length - 1]));
556	>	assertEquals(tasks.length - 1, q.size());
557	>	} finally {
558	>	done.countDown();
559	>	joinPool(p);
560	>	}
561	>	}
562	>
563	>	/**
564	>	* remove(task) removes queued task, and fails to remove active task
565	>	*/
566	>	public void testRemove() throws InterruptedException {
567	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
568	>	final ThreadPoolExecutor p =
569	>	new ThreadPoolExecutor(1, 1,
570	>	LONG_DELAY_MS, MILLISECONDS,
571	>	q);
572	>	Runnable[] tasks = new Runnable[5];
573	>	final CountDownLatch threadStarted = new CountDownLatch(1);
574	>	final CountDownLatch done = new CountDownLatch(1);
575	>	try {
576	>	for (int i = 0; i < tasks.length; i++) {
577	>	tasks[i] = new CheckedRunnable() {
578	>	public void realRun() throws InterruptedException {
579	>	threadStarted.countDown();
580	>	done.await();
581	>	}};
582	>	p.execute(tasks[i]);
583	>	}
584	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
585	>	assertFalse(p.remove(tasks[0]));
586	>	assertTrue(q.contains(tasks[4]));
587	>	assertTrue(q.contains(tasks[3]));
588	>	assertTrue(p.remove(tasks[4]));
589	>	assertFalse(p.remove(tasks[4]));
590	>	assertFalse(q.contains(tasks[4]));
591	>	assertTrue(q.contains(tasks[3]));
592	>	assertTrue(p.remove(tasks[3]));
593	>	assertFalse(q.contains(tasks[3]));
594	>	} finally {
595	>	done.countDown();
596	>	joinPool(p);
597		}
598	<	assertTrue(p1.isShutdown());
599	<	assertTrue(l.size() <= 4);
598	>	}
599	>
600	>	/**
601	>	* purge removes cancelled tasks from the queue
602	>	*/
603	>	public void testPurge() throws InterruptedException {
604	>	final CountDownLatch threadStarted = new CountDownLatch(1);
605	>	final CountDownLatch done = new CountDownLatch(1);
606	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
607	>	final ThreadPoolExecutor p =
608	>	new ThreadPoolExecutor(1, 1,
609	>	LONG_DELAY_MS, MILLISECONDS,
610	>	q);
611	>	FutureTask[] tasks = new FutureTask[5];
612	>	try {
613	>	for (int i = 0; i < tasks.length; i++) {
614	>	Callable task = new CheckedCallable<Boolean>() {
615	>	public Boolean realCall() throws InterruptedException {
616	>	threadStarted.countDown();
617	>	done.await();
618	>	return Boolean.TRUE;
619	>	}};
620	>	tasks[i] = new FutureTask(task);
621	>	p.execute(tasks[i]);
622	>	}
623	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
624	>	assertEquals(tasks.length, p.getTaskCount());
625	>	assertEquals(tasks.length - 1, q.size());
626	>	assertEquals(1L, p.getActiveCount());
627	>	assertEquals(0L, p.getCompletedTaskCount());
628	>	tasks[4].cancel(true);
629	>	tasks[3].cancel(false);
630	>	p.purge();
631	>	assertEquals(tasks.length - 3, q.size());
632	>	assertEquals(tasks.length - 2, p.getTaskCount());
633	>	p.purge();         // Nothing to do
634	>	assertEquals(tasks.length - 3, q.size());
635	>	assertEquals(tasks.length - 2, p.getTaskCount());
636	>	} finally {
637	>	done.countDown();
638	>	joinPool(p);
639	>	}
640	>	}
641	>
642	>	/**
643	>	* shutdownNow returns a list containing tasks that were not run,
644	>	* and those tasks are drained from the queue
645	>	*/
646	>	public void testShutdownNow() throws InterruptedException {
647	>	final int poolSize = 2;
648	>	final int count = 5;
649	>	final AtomicInteger ran = new AtomicInteger(0);
650	>	final ThreadPoolExecutor p =
651	>	new ThreadPoolExecutor(poolSize, poolSize,
652	>	LONG_DELAY_MS, MILLISECONDS,
653	>	new ArrayBlockingQueue<Runnable>(10));
654	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
655	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
656	>	threadsStarted.countDown();
657	>	try {
658	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
659	>	} catch (InterruptedException success) {}
660	>	ran.getAndIncrement();
661	>	}};
662	>	for (int i = 0; i < count; i++)
663	>	p.execute(waiter);
664	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
665	>	assertEquals(poolSize, p.getActiveCount());
666	>	assertEquals(0, p.getCompletedTaskCount());
667	>	final List<Runnable> queuedTasks;
668	>	try {
669	>	queuedTasks = p.shutdownNow();
670	>	} catch (SecurityException ok) {
671	>	return; // Allowed in case test doesn't have privs
672	>	}
673	>	assertTrue(p.isShutdown());
674	>	assertTrue(p.getQueue().isEmpty());
675	>	assertEquals(count - poolSize, queuedTasks.size());
676	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
677	>	assertTrue(p.isTerminated());
678	>	assertEquals(poolSize, ran.get());
679	>	assertEquals(poolSize, p.getCompletedTaskCount());
680		}
681
682		// Exception Tests
256	–
683
684	<	/**
685	<	* Constructor throws if corePoolSize argument is less than zero
684	>	/**
685	>	* Constructor throws if corePoolSize argument is less than zero
686		*/
687		public void testConstructor1() {
688		try {
689	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
689	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
690	>	new ArrayBlockingQueue<Runnable>(10));
691		shouldThrow();
692	<	}
266	<	catch (IllegalArgumentException success){}
692	>	} catch (IllegalArgumentException success) {}
693		}
694	<
695	<	/**
696	<	* Constructor throws if maximumPoolSize is less than zero
694	>
695	>	/**
696	>	* Constructor throws if maximumPoolSize is less than zero
697		*/
698		public void testConstructor2() {
699		try {
700	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
700	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
701	>	new ArrayBlockingQueue<Runnable>(10));
702		shouldThrow();
703	<	}
277	<	catch (IllegalArgumentException success){}
703	>	} catch (IllegalArgumentException success) {}
704		}
705	<
706	<	/**
707	<	* Constructor throws if maximumPoolSize is equal to zero
705	>
706	>	/**
707	>	* Constructor throws if maximumPoolSize is equal to zero
708		*/
709		public void testConstructor3() {
710		try {
711	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
711	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
712	>	new ArrayBlockingQueue<Runnable>(10));
713		shouldThrow();
714	<	}
288	<	catch (IllegalArgumentException success){}
714	>	} catch (IllegalArgumentException success) {}
715		}
716
717	<	/**
718	<	* Constructor throws if keepAliveTime is less than zero
717	>	/**
718	>	* Constructor throws if keepAliveTime is less than zero
719		*/
720		public void testConstructor4() {
721		try {
722	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
722	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
723	>	new ArrayBlockingQueue<Runnable>(10));
724		shouldThrow();
725	<	}
299	<	catch (IllegalArgumentException success){}
725	>	} catch (IllegalArgumentException success) {}
726		}
727
728	<	/**
729	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
728	>	/**
729	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
730		*/
731		public void testConstructor5() {
732		try {
733	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
733	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
734	>	new ArrayBlockingQueue<Runnable>(10));
735		shouldThrow();
736	<	}
310	<	catch (IllegalArgumentException success){}
736	>	} catch (IllegalArgumentException success) {}
737		}
738	<
739	<	/**
740	<	* Constructor throws if workQueue is set to null
738	>
739	>	/**
740	>	* Constructor throws if workQueue is set to null
741		*/
742	<	public void testNullPointerException() {
742	>	public void testConstructorNullPointerException() {
743		try {
744	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
744	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
745	>	(BlockingQueue) null);
746		shouldThrow();
747	<	}
321	<	catch (NullPointerException success){}
747	>	} catch (NullPointerException success) {}
748		}
323	–
749
750	<
751	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
750	>	/**
751	>	* Constructor throws if corePoolSize argument is less than zero
752		*/
753		public void testConstructor6() {
754		try {
755	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
755	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
756	>	new ArrayBlockingQueue<Runnable>(10),
757	>	new SimpleThreadFactory());
758		shouldThrow();
759	<	} catch (IllegalArgumentException success){}
759	>	} catch (IllegalArgumentException success) {}
760		}
761	<
762	<	/**
763	<	* Constructor throws if maximumPoolSize is less than zero
761	>
762	>	/**
763	>	* Constructor throws if maximumPoolSize is less than zero
764		*/
765		public void testConstructor7() {
766		try {
767	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
767	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
768	>	new ArrayBlockingQueue<Runnable>(10),
769	>	new SimpleThreadFactory());
770		shouldThrow();
771	<	}
344	<	catch (IllegalArgumentException success){}
771	>	} catch (IllegalArgumentException success) {}
772		}
773
774	<	/**
775	<	* Constructor throws if maximumPoolSize is equal to zero
774	>	/**
775	>	* Constructor throws if maximumPoolSize is equal to zero
776		*/
777		public void testConstructor8() {
778		try {
779	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
779	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
780	>	new ArrayBlockingQueue<Runnable>(10),
781	>	new SimpleThreadFactory());
782		shouldThrow();
783	<	}
355	<	catch (IllegalArgumentException success){}
783	>	} catch (IllegalArgumentException success) {}
784		}
785
786	<	/**
787	<	* Constructor throws if keepAliveTime is less than zero
786	>	/**
787	>	* Constructor throws if keepAliveTime is less than zero
788		*/
789		public void testConstructor9() {
790		try {
791	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
791	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
792	>	new ArrayBlockingQueue<Runnable>(10),
793	>	new SimpleThreadFactory());
794		shouldThrow();
795	<	}
366	<	catch (IllegalArgumentException success){}
795	>	} catch (IllegalArgumentException success) {}
796		}
797
798	<	/**
799	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
798	>	/**
799	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
800		*/
801		public void testConstructor10() {
802		try {
803	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
803	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
804	>	new ArrayBlockingQueue<Runnable>(10),
805	>	new SimpleThreadFactory());
806		shouldThrow();
807	<	}
377	<	catch (IllegalArgumentException success){}
807	>	} catch (IllegalArgumentException success) {}
808		}
809
810	<	/**
811	<	* Constructor throws if workQueue is set to null
810	>	/**
811	>	* Constructor throws if workQueue is set to null
812		*/
813	<	public void testNullPointerException2() {
813	>	public void testConstructorNullPointerException2() {
814		try {
815	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
815	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
816	>	(BlockingQueue) null,
817	>	new SimpleThreadFactory());
818		shouldThrow();
819	<	}
388	<	catch (NullPointerException success){}
819	>	} catch (NullPointerException success) {}
820		}
821
822	<	/**
823	<	* Constructor throws if threadFactory is set to null
822	>	/**
823	>	* Constructor throws if threadFactory is set to null
824		*/
825	<	public void testNullPointerException3() {
825	>	public void testConstructorNullPointerException3() {
826		try {
827	<	ThreadFactory f = null;
828	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
827	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
828	>	new ArrayBlockingQueue<Runnable>(10),
829	>	(ThreadFactory) null);
830		shouldThrow();
831	<	}
400	<	catch (NullPointerException success){}
831	>	} catch (NullPointerException success) {}
832		}
833	<
834	<
835	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
833	>
834	>	/**
835	>	* Constructor throws if corePoolSize argument is less than zero
836		*/
837		public void testConstructor11() {
838		try {
839	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
839	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
840	>	new ArrayBlockingQueue<Runnable>(10),
841	>	new NoOpREHandler());
842		shouldThrow();
843	<	}
412	<	catch (IllegalArgumentException success){}
843	>	} catch (IllegalArgumentException success) {}
844		}
845
846	<	/**
847	<	* Constructor throws if maximumPoolSize is less than zero
846	>	/**
847	>	* Constructor throws if maximumPoolSize is less than zero
848		*/
849		public void testConstructor12() {
850		try {
851	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
851	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
852	>	new ArrayBlockingQueue<Runnable>(10),
853	>	new NoOpREHandler());
854		shouldThrow();
855	<	}
423	<	catch (IllegalArgumentException success){}
855	>	} catch (IllegalArgumentException success) {}
856		}
857
858	<	/**
859	<	* Constructor throws if maximumPoolSize is equal to zero
858	>	/**
859	>	* Constructor throws if maximumPoolSize is equal to zero
860		*/
861		public void testConstructor13() {
862		try {
863	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
863	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
864	>	new ArrayBlockingQueue<Runnable>(10),
865	>	new NoOpREHandler());
866		shouldThrow();
867	<	}
434	<	catch (IllegalArgumentException success){}
867	>	} catch (IllegalArgumentException success) {}
868		}
869
870	<	/**
871	<	* Constructor throws if keepAliveTime is less than zero
870	>	/**
871	>	* Constructor throws if keepAliveTime is less than zero
872		*/
873		public void testConstructor14() {
874		try {
875	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
875	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
876	>	new ArrayBlockingQueue<Runnable>(10),
877	>	new NoOpREHandler());
878		shouldThrow();
879	<	}
445	<	catch (IllegalArgumentException success){}
879	>	} catch (IllegalArgumentException success) {}
880		}
881
882	<	/**
883	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
882	>	/**
883	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
884		*/
885		public void testConstructor15() {
886		try {
887	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
887	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
888	>	new ArrayBlockingQueue<Runnable>(10),
889	>	new NoOpREHandler());
890	>	shouldThrow();
891	>	} catch (IllegalArgumentException success) {}
892	>	}
893	>
894	>	/**
895	>	* Constructor throws if workQueue is set to null
896	>	*/
897	>	public void testConstructorNullPointerException4() {
898	>	try {
899	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
900	>	(BlockingQueue) null,
901	>	new NoOpREHandler());
902	>	shouldThrow();
903	>	} catch (NullPointerException success) {}
904	>	}
905	>
906	>	/**
907	>	* Constructor throws if handler is set to null
908	>	*/
909	>	public void testConstructorNullPointerException5() {
910	>	try {
911	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
912	>	new ArrayBlockingQueue<Runnable>(10),
913	>	(RejectedExecutionHandler) null);
914		shouldThrow();
915	+	} catch (NullPointerException success) {}
916	+	}
917	+
918	+	/**
919	+	* Constructor throws if corePoolSize argument is less than zero
920	+	*/
921	+	public void testConstructor16() {
922	+	try {
923	+	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
924	+	new ArrayBlockingQueue<Runnable>(10),
925	+	new SimpleThreadFactory(),
926	+	new NoOpREHandler());
927	+	shouldThrow();
928	+	} catch (IllegalArgumentException success) {}
929	+	}
930	+
931	+	/**
932	+	* Constructor throws if maximumPoolSize is less than zero
933	+	*/
934	+	public void testConstructor17() {
935	+	try {
936	+	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
937	+	new ArrayBlockingQueue<Runnable>(10),
938	+	new SimpleThreadFactory(),
939	+	new NoOpREHandler());
940	+	shouldThrow();
941	+	} catch (IllegalArgumentException success) {}
942	+	}
943	+
944	+	/**
945	+	* Constructor throws if maximumPoolSize is equal to zero
946	+	*/
947	+	public void testConstructor18() {
948	+	try {
949	+	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
950	+	new ArrayBlockingQueue<Runnable>(10),
951	+	new SimpleThreadFactory(),
952	+	new NoOpREHandler());
953	+	shouldThrow();
954	+	} catch (IllegalArgumentException success) {}
955	+	}
956	+
957	+	/**
958	+	* Constructor throws if keepAliveTime is less than zero
959	+	*/
960	+	public void testConstructor19() {
961	+	try {
962	+	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
963	+	new ArrayBlockingQueue<Runnable>(10),
964	+	new SimpleThreadFactory(),
965	+	new NoOpREHandler());
966	+	shouldThrow();
967	+	} catch (IllegalArgumentException success) {}
968	+	}
969	+
970	+	/**
971	+	* Constructor throws if corePoolSize is greater than the maximumPoolSize
972	+	*/
973	+	public void testConstructor20() {
974	+	try {
975	+	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
976	+	new ArrayBlockingQueue<Runnable>(10),
977	+	new SimpleThreadFactory(),
978	+	new NoOpREHandler());
979	+	shouldThrow();
980	+	} catch (IllegalArgumentException success) {}
981	+	}
982	+
983	+	/**
984	+	* Constructor throws if workQueue is null
985	+	*/
986	+	public void testConstructorNullPointerException6() {
987	+	try {
988	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
989	+	(BlockingQueue) null,
990	+	new SimpleThreadFactory(),
991	+	new NoOpREHandler());
992	+	shouldThrow();
993	+	} catch (NullPointerException success) {}
994	+	}
995	+
996	+	/**
997	+	* Constructor throws if handler is null
998	+	*/
999	+	public void testConstructorNullPointerException7() {
1000	+	try {
1001	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1002	+	new ArrayBlockingQueue<Runnable>(10),
1003	+	new SimpleThreadFactory(),
1004	+	(RejectedExecutionHandler) null);
1005	+	shouldThrow();
1006	+	} catch (NullPointerException success) {}
1007	+	}
1008	+
1009	+	/**
1010	+	* Constructor throws if ThreadFactory is null
1011	+	*/
1012	+	public void testConstructorNullPointerException8() {
1013	+	try {
1014	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1015	+	new ArrayBlockingQueue<Runnable>(10),
1016	+	(ThreadFactory) null,
1017	+	new NoOpREHandler());
1018	+	shouldThrow();
1019	+	} catch (NullPointerException success) {}
1020	+	}
1021	+
1022	+	/**
1023	+	* get of submitted callable throws InterruptedException if interrupted
1024	+	*/
1025	+	public void testInterruptedSubmit() throws InterruptedException {
1026	+	final ThreadPoolExecutor p =
1027	+	new ThreadPoolExecutor(1, 1,
1028	+	60, SECONDS,
1029	+	new ArrayBlockingQueue<Runnable>(10));
1030	+
1031	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1032	+	final CountDownLatch done = new CountDownLatch(1);
1033	+	try {
1034	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1035	+	public void realRun() throws Exception {
1036	+	Callable task = new CheckedCallable<Boolean>() {
1037	+	public Boolean realCall() throws InterruptedException {
1038	+	threadStarted.countDown();
1039	+	done.await();
1040	+	return Boolean.TRUE;
1041	+	}};
1042	+	p.submit(task).get();
1043	+	}});
1044	+
1045	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1046	+	t.interrupt();
1047	+	awaitTermination(t, MEDIUM_DELAY_MS);
1048	+	} finally {
1049	+	done.countDown();
1050	+	joinPool(p);
1051	+	}
1052	+	}
1053	+
1054	+	/**
1055	+	* execute throws RejectedExecutionException if saturated.
1056	+	*/
1057	+	public void testSaturatedExecute() {
1058	+	ThreadPoolExecutor p =
1059	+	new ThreadPoolExecutor(1, 1,
1060	+	LONG_DELAY_MS, MILLISECONDS,
1061	+	new ArrayBlockingQueue<Runnable>(1));
1062	+	final CountDownLatch done = new CountDownLatch(1);
1063	+	try {
1064	+	Runnable task = new CheckedRunnable() {
1065	+	public void realRun() throws InterruptedException {
1066	+	done.await();
1067	+	}};
1068	+	for (int i = 0; i < 2; ++i)
1069	+	p.execute(task);
1070	+	for (int i = 0; i < 2; ++i) {
1071	+	try {
1072	+	p.execute(task);
1073	+	shouldThrow();
1074	+	} catch (RejectedExecutionException success) {}
1075	+	assertTrue(p.getTaskCount() <= 2);
1076	+	}
1077	+	} finally {
1078	+	done.countDown();
1079	+	joinPool(p);
1080	+	}
1081	+	}
1082	+
1083	+	/**
1084	+	* submit(runnable) throws RejectedExecutionException if saturated.
1085	+	*/
1086	+	public void testSaturatedSubmitRunnable() {
1087	+	ThreadPoolExecutor p =
1088	+	new ThreadPoolExecutor(1, 1,
1089	+	LONG_DELAY_MS, MILLISECONDS,
1090	+	new ArrayBlockingQueue<Runnable>(1));
1091	+	final CountDownLatch done = new CountDownLatch(1);
1092	+	try {
1093	+	Runnable task = new CheckedRunnable() {
1094	+	public void realRun() throws InterruptedException {
1095	+	done.await();
1096	+	}};
1097	+	for (int i = 0; i < 2; ++i)
1098	+	p.submit(task);
1099	+	for (int i = 0; i < 2; ++i) {
1100	+	try {
1101	+	p.execute(task);
1102	+	shouldThrow();
1103	+	} catch (RejectedExecutionException success) {}
1104	+	assertTrue(p.getTaskCount() <= 2);
1105	+	}
1106	+	} finally {
1107	+	done.countDown();
1108	+	joinPool(p);
1109	+	}
1110	+	}
1111	+
1112	+	/**
1113	+	* submit(callable) throws RejectedExecutionException if saturated.
1114	+	*/
1115	+	public void testSaturatedSubmitCallable() {
1116	+	ThreadPoolExecutor p =
1117	+	new ThreadPoolExecutor(1, 1,
1118	+	LONG_DELAY_MS, MILLISECONDS,
1119	+	new ArrayBlockingQueue<Runnable>(1));
1120	+	final CountDownLatch done = new CountDownLatch(1);
1121	+	try {
1122	+	Runnable task = new CheckedRunnable() {
1123	+	public void realRun() throws InterruptedException {
1124	+	done.await();
1125	+	}};
1126	+	for (int i = 0; i < 2; ++i)
1127	+	p.submit(Executors.callable(task));
1128	+	for (int i = 0; i < 2; ++i) {
1129	+	try {
1130	+	p.execute(task);
1131	+	shouldThrow();
1132	+	} catch (RejectedExecutionException success) {}
1133	+	assertTrue(p.getTaskCount() <= 2);
1134	+	}
1135	+	} finally {
1136	+	done.countDown();
1137	+	joinPool(p);
1138	+	}
1139	+	}
1140	+
1141	+	/**
1142	+	* executor using CallerRunsPolicy runs task if saturated.
1143	+	*/
1144	+	public void testSaturatedExecute2() {
1145	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1146	+	final ThreadPoolExecutor p =
1147	+	new ThreadPoolExecutor(1, 1,
1148	+	LONG_DELAY_MS,
1149	+	MILLISECONDS,
1150	+	new ArrayBlockingQueue<Runnable>(1),
1151	+	h);
1152	+	try {
1153	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1154	+	for (int i = 0; i < tasks.length; ++i)
1155	+	tasks[i] = new TrackedNoOpRunnable();
1156	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1157	+	p.execute(mr);
1158	+	for (int i = 0; i < tasks.length; ++i)
1159	+	p.execute(tasks[i]);
1160	+	for (int i = 1; i < tasks.length; ++i)
1161	+	assertTrue(tasks[i].done);
1162	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1163	+	} finally {
1164	+	joinPool(p);
1165	+	}
1166	+	}
1167	+
1168	+	/**
1169	+	* executor using DiscardPolicy drops task if saturated.
1170	+	*/
1171	+	public void testSaturatedExecute3() {
1172	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1173	+	final ThreadPoolExecutor p =
1174	+	new ThreadPoolExecutor(1, 1,
1175	+	LONG_DELAY_MS, MILLISECONDS,
1176	+	new ArrayBlockingQueue<Runnable>(1),
1177	+	h);
1178	+	try {
1179	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1180	+	for (int i = 0; i < tasks.length; ++i)
1181	+	tasks[i] = new TrackedNoOpRunnable();
1182	+	p.execute(new TrackedLongRunnable());
1183	+	for (TrackedNoOpRunnable task : tasks)
1184	+	p.execute(task);
1185	+	for (TrackedNoOpRunnable task : tasks)
1186	+	assertFalse(task.done);
1187	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1188	+	} finally {
1189	+	joinPool(p);
1190	+	}
1191	+	}
1192	+
1193	+	/**
1194	+	* executor using DiscardOldestPolicy drops oldest task if saturated.
1195	+	*/
1196	+	public void testSaturatedExecute4() {
1197	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1198	+	final ThreadPoolExecutor p =
1199	+	new ThreadPoolExecutor(1, 1,
1200	+	LONG_DELAY_MS, MILLISECONDS,
1201	+	new ArrayBlockingQueue<Runnable>(1),
1202	+	h);
1203	+	try {
1204	+	p.execute(new TrackedLongRunnable());
1205	+	TrackedLongRunnable r2 = new TrackedLongRunnable();
1206	+	p.execute(r2);
1207	+	assertTrue(p.getQueue().contains(r2));
1208	+	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1209	+	p.execute(r3);
1210	+	assertFalse(p.getQueue().contains(r2));
1211	+	assertTrue(p.getQueue().contains(r3));
1212	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1213	+	} finally {
1214	+	joinPool(p);
1215		}
456	–	catch (IllegalArgumentException success){}
1216		}
1217
1218	<	/**
1219	<	* Constructor throws if workQueue is set to null
1218	>	/**
1219	>	* execute throws RejectedExecutionException if shutdown
1220		*/
1221	<	public void testNullPointerException4() {
1221	>	public void testRejectedExecutionExceptionOnShutdown() {
1222	>	ThreadPoolExecutor p =
1223	>	new ThreadPoolExecutor(1, 1,
1224	>	LONG_DELAY_MS, MILLISECONDS,
1225	>	new ArrayBlockingQueue<Runnable>(1));
1226	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1227		try {
1228	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1228	>	p.execute(new NoOpRunnable());
1229		shouldThrow();
1230	+	} catch (RejectedExecutionException success) {}
1231	+
1232	+	joinPool(p);
1233	+	}
1234	+
1235	+	/**
1236	+	* execute using CallerRunsPolicy drops task on shutdown
1237	+	*/
1238	+	public void testCallerRunsOnShutdown() {
1239	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1240	+	final ThreadPoolExecutor p =
1241	+	new ThreadPoolExecutor(1, 1,
1242	+	LONG_DELAY_MS, MILLISECONDS,
1243	+	new ArrayBlockingQueue<Runnable>(1), h);
1244	+
1245	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1246	+	try {
1247	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1248	+	p.execute(r);
1249	+	assertFalse(r.done);
1250	+	} finally {
1251	+	joinPool(p);
1252	+	}
1253	+	}
1254	+
1255	+	/**
1256	+	* execute using DiscardPolicy drops task on shutdown
1257	+	*/
1258	+	public void testDiscardOnShutdown() {
1259	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1260	+	ThreadPoolExecutor p =
1261	+	new ThreadPoolExecutor(1, 1,
1262	+	LONG_DELAY_MS, MILLISECONDS,
1263	+	new ArrayBlockingQueue<Runnable>(1),
1264	+	h);
1265	+
1266	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1267	+	try {
1268	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1269	+	p.execute(r);
1270	+	assertFalse(r.done);
1271	+	} finally {
1272	+	joinPool(p);
1273	+	}
1274	+	}
1275	+
1276	+	/**
1277	+	* execute using DiscardOldestPolicy drops task on shutdown
1278	+	*/
1279	+	public void testDiscardOldestOnShutdown() {
1280	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1281	+	ThreadPoolExecutor p =
1282	+	new ThreadPoolExecutor(1, 1,
1283	+	LONG_DELAY_MS, MILLISECONDS,
1284	+	new ArrayBlockingQueue<Runnable>(1),
1285	+	h);
1286	+
1287	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1288	+	try {
1289	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1290	+	p.execute(r);
1291	+	assertFalse(r.done);
1292	+	} finally {
1293	+	joinPool(p);
1294		}
467	–	catch (NullPointerException success){}
1295		}
1296
1297	<	/**
1298	<	* Constructor throws if handler is set to null
1297	>	/**
1298	>	* execute(null) throws NPE
1299		*/
1300	<	public void testNullPointerException5() {
1300	>	public void testExecuteNull() {
1301	>	ThreadPoolExecutor p =
1302	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1303	>	new ArrayBlockingQueue<Runnable>(10));
1304		try {
1305	<	RejectedExecutionHandler r = null;
476	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1305	>	p.execute(null);
1306		shouldThrow();
1307	+	} catch (NullPointerException success) {}
1308	+
1309	+	joinPool(p);
1310	+	}
1311	+
1312	+	/**
1313	+	* setCorePoolSize of negative value throws IllegalArgumentException
1314	+	*/
1315	+	public void testCorePoolSizeIllegalArgumentException() {
1316	+	ThreadPoolExecutor p =
1317	+	new ThreadPoolExecutor(1, 2,
1318	+	LONG_DELAY_MS, MILLISECONDS,
1319	+	new ArrayBlockingQueue<Runnable>(10));
1320	+	try {
1321	+	p.setCorePoolSize(-1);
1322	+	shouldThrow();
1323	+	} catch (IllegalArgumentException success) {
1324	+	} finally {
1325	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1326		}
1327	<	catch (NullPointerException success){}
1327	>	joinPool(p);
1328		}
1329
1330	<
1331	<	/**
1332	<	* Constructor throws if corePoolSize argument is less than zero
1330	>	/**
1331	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1332	>	* given a value less the core pool size
1333		*/
1334	<	public void testConstructor16() {
1334	>	public void testMaximumPoolSizeIllegalArgumentException() {
1335	>	ThreadPoolExecutor p =
1336	>	new ThreadPoolExecutor(2, 3,
1337	>	LONG_DELAY_MS, MILLISECONDS,
1338	>	new ArrayBlockingQueue<Runnable>(10));
1339		try {
1340	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1340	>	p.setMaximumPoolSize(1);
1341		shouldThrow();
1342	+	} catch (IllegalArgumentException success) {
1343	+	} finally {
1344	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1345		}
1346	<	catch (IllegalArgumentException success){}
1346	>	joinPool(p);
1347		}
1348
1349	<	/**
1350	<	* Constructor throws if maximumPoolSize is less than zero
1349	>	/**
1350	>	* setMaximumPoolSize throws IllegalArgumentException
1351	>	* if given a negative value
1352		*/
1353	<	public void testConstructor17() {
1353	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1354	>	ThreadPoolExecutor p =
1355	>	new ThreadPoolExecutor(2, 3,
1356	>	LONG_DELAY_MS, MILLISECONDS,
1357	>	new ArrayBlockingQueue<Runnable>(10));
1358		try {
1359	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1359	>	p.setMaximumPoolSize(-1);
1360		shouldThrow();
1361	+	} catch (IllegalArgumentException success) {
1362	+	} finally {
1363	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1364		}
1365	<	catch (IllegalArgumentException success){}
1365	>	joinPool(p);
1366		}
1367
1368	<	/**
1369	<	* Constructor throws if maximumPoolSize is equal to zero
1368	>	/**
1369	>	* Configuration changes that allow core pool size greater than
1370	>	* max pool size result in IllegalArgumentException.
1371		*/
1372	<	public void testConstructor18() {
1372	>	public void testPoolSizeInvariants() {
1373	>	ThreadPoolExecutor p =
1374	>	new ThreadPoolExecutor(1, 1,
1375	>	LONG_DELAY_MS, MILLISECONDS,
1376	>	new ArrayBlockingQueue<Runnable>(10));
1377	>	for (int s = 1; s < 5; s++) {
1378	>	p.setMaximumPoolSize(s);
1379	>	p.setCorePoolSize(s);
1380	>	try {
1381	>	p.setMaximumPoolSize(s - 1);
1382	>	shouldThrow();
1383	>	} catch (IllegalArgumentException success) {}
1384	>	assertEquals(s, p.getCorePoolSize());
1385	>	assertEquals(s, p.getMaximumPoolSize());
1386	>	try {
1387	>	p.setCorePoolSize(s + 1);
1388	>	shouldThrow();
1389	>	} catch (IllegalArgumentException success) {}
1390	>	assertEquals(s, p.getCorePoolSize());
1391	>	assertEquals(s, p.getMaximumPoolSize());
1392	>	}
1393	>	joinPool(p);
1394	>	}
1395	>
1396	>	/**
1397	>	* setKeepAliveTime throws IllegalArgumentException
1398	>	* when given a negative value
1399	>	*/
1400	>	public void testKeepAliveTimeIllegalArgumentException() {
1401	>	ThreadPoolExecutor p =
1402	>	new ThreadPoolExecutor(2, 3,
1403	>	LONG_DELAY_MS, MILLISECONDS,
1404	>	new ArrayBlockingQueue<Runnable>(10));
1405		try {
1406	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1406	>	p.setKeepAliveTime(-1,MILLISECONDS);
1407		shouldThrow();
1408	+	} catch (IllegalArgumentException success) {
1409	+	} finally {
1410	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1411		}
1412	<	catch (IllegalArgumentException success){}
1412	>	joinPool(p);
1413		}
1414
1415	<	/**
1416	<	* Constructor throws if keepAliveTime is less than zero
1415	>	/**
1416	>	* terminated() is called on termination
1417		*/
1418	<	public void testConstructor19() {
1418	>	public void testTerminated() {
1419	>	ExtendedTPE p = new ExtendedTPE();
1420	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1421	>	assertTrue(p.terminatedCalled());
1422	>	joinPool(p);
1423	>	}
1424	>
1425	>	/**
1426	>	* beforeExecute and afterExecute are called when executing task
1427	>	*/
1428	>	public void testBeforeAfter() throws InterruptedException {
1429	>	ExtendedTPE p = new ExtendedTPE();
1430	>	try {
1431	>	final CountDownLatch done = new CountDownLatch(1);
1432	>	p.execute(new CheckedRunnable() {
1433	>	public void realRun() {
1434	>	done.countDown();
1435	>	}});
1436	>	await(p.afterCalled);
1437	>	assertEquals(0, done.getCount());
1438	>	assertTrue(p.afterCalled());
1439	>	assertTrue(p.beforeCalled());
1440	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1441	>	} finally {
1442	>	joinPool(p);
1443	>	}
1444	>	}
1445	>
1446	>	/**
1447	>	* completed submit of callable returns result
1448	>	*/
1449	>	public void testSubmitCallable() throws Exception {
1450	>	ExecutorService e =
1451	>	new ThreadPoolExecutor(2, 2,
1452	>	LONG_DELAY_MS, MILLISECONDS,
1453	>	new ArrayBlockingQueue<Runnable>(10));
1454	>	try {
1455	>	Future<String> future = e.submit(new StringTask());
1456	>	String result = future.get();
1457	>	assertSame(TEST_STRING, result);
1458	>	} finally {
1459	>	joinPool(e);
1460	>	}
1461	>	}
1462	>
1463	>	/**
1464	>	* completed submit of runnable returns successfully
1465	>	*/
1466	>	public void testSubmitRunnable() throws Exception {
1467	>	ExecutorService e =
1468	>	new ThreadPoolExecutor(2, 2,
1469	>	LONG_DELAY_MS, MILLISECONDS,
1470	>	new ArrayBlockingQueue<Runnable>(10));
1471	>	try {
1472	>	Future<?> future = e.submit(new NoOpRunnable());
1473	>	future.get();
1474	>	assertTrue(future.isDone());
1475	>	} finally {
1476	>	joinPool(e);
1477	>	}
1478	>	}
1479	>
1480	>	/**
1481	>	* completed submit of (runnable, result) returns result
1482	>	*/
1483	>	public void testSubmitRunnable2() throws Exception {
1484	>	ExecutorService e =
1485	>	new ThreadPoolExecutor(2, 2,
1486	>	LONG_DELAY_MS, MILLISECONDS,
1487	>	new ArrayBlockingQueue<Runnable>(10));
1488		try {
1489	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1489	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1490	>	String result = future.get();
1491	>	assertSame(TEST_STRING, result);
1492	>	} finally {
1493	>	joinPool(e);
1494	>	}
1495	>	}
1496	>
1497	>	/**
1498	>	* invokeAny(null) throws NPE
1499	>	*/
1500	>	public void testInvokeAny1() throws Exception {
1501	>	ExecutorService e =
1502	>	new ThreadPoolExecutor(2, 2,
1503	>	LONG_DELAY_MS, MILLISECONDS,
1504	>	new ArrayBlockingQueue<Runnable>(10));
1505	>	try {
1506	>	e.invokeAny(null);
1507		shouldThrow();
1508	+	} catch (NullPointerException success) {
1509	+	} finally {
1510	+	joinPool(e);
1511		}
524	–	catch (IllegalArgumentException success){}
1512		}
1513
1514	<	/**
1515	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1514	>	/**
1515	>	* invokeAny(empty collection) throws IAE
1516		*/
1517	<	public void testConstructor20() {
1517	>	public void testInvokeAny2() throws Exception {
1518	>	ExecutorService e =
1519	>	new ThreadPoolExecutor(2, 2,
1520	>	LONG_DELAY_MS, MILLISECONDS,
1521	>	new ArrayBlockingQueue<Runnable>(10));
1522		try {
1523	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1523	>	e.invokeAny(new ArrayList<Callable<String>>());
1524		shouldThrow();
1525	+	} catch (IllegalArgumentException success) {
1526	+	} finally {
1527	+	joinPool(e);
1528		}
535	–	catch (IllegalArgumentException success){}
1529		}
1530
1531	<	/**
1532	<	* Constructor throws if workQueue is set to null
1531	>	/**
1532	>	* invokeAny(c) throws NPE if c has null elements
1533		*/
1534	<	public void testNullPointerException6() {
1534	>	public void testInvokeAny3() throws Exception {
1535	>	final CountDownLatch latch = new CountDownLatch(1);
1536	>	final ExecutorService e =
1537	>	new ThreadPoolExecutor(2, 2,
1538	>	LONG_DELAY_MS, MILLISECONDS,
1539	>	new ArrayBlockingQueue<Runnable>(10));
1540	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1541	>	l.add(latchAwaitingStringTask(latch));
1542	>	l.add(null);
1543		try {
1544	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1544	>	e.invokeAny(l);
1545		shouldThrow();
1546	+	} catch (NullPointerException success) {
1547	+	} finally {
1548	+	latch.countDown();
1549	+	joinPool(e);
1550		}
546	–	catch (NullPointerException success){}
1551		}
1552
1553	<	/**
1554	<	* Constructor throws if handler is set to null
1553	>	/**
1554	>	* invokeAny(c) throws ExecutionException if no task completes
1555		*/
1556	<	public void testNullPointerException7() {
1556	>	public void testInvokeAny4() throws Exception {
1557	>	ExecutorService e =
1558	>	new ThreadPoolExecutor(2, 2,
1559	>	LONG_DELAY_MS, MILLISECONDS,
1560	>	new ArrayBlockingQueue<Runnable>(10));
1561	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1562	>	l.add(new NPETask());
1563		try {
1564	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1564	>	e.invokeAny(l);
1565		shouldThrow();
1566	+	} catch (ExecutionException success) {
1567	+	assertTrue(success.getCause() instanceof NullPointerException);
1568	+	} finally {
1569	+	joinPool(e);
1570		}
558	–	catch (NullPointerException success){}
1571		}
1572
1573	<	/**
1574	<	* Constructor throws if ThreadFactory is set top null
1573	>	/**
1574	>	* invokeAny(c) returns result of some task
1575		*/
1576	<	public void testNullPointerException8() {
1576	>	public void testInvokeAny5() throws Exception {
1577	>	ExecutorService e =
1578	>	new ThreadPoolExecutor(2, 2,
1579	>	LONG_DELAY_MS, MILLISECONDS,
1580	>	new ArrayBlockingQueue<Runnable>(10));
1581		try {
1582	<	ThreadFactory f = null;
1583	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1582	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1583	>	l.add(new StringTask());
1584	>	l.add(new StringTask());
1585	>	String result = e.invokeAny(l);
1586	>	assertSame(TEST_STRING, result);
1587	>	} finally {
1588	>	joinPool(e);
1589	>	}
1590	>	}
1591	>
1592	>	/**
1593	>	* invokeAll(null) throws NPE
1594	>	*/
1595	>	public void testInvokeAll1() throws Exception {
1596	>	ExecutorService e =
1597	>	new ThreadPoolExecutor(2, 2,
1598	>	LONG_DELAY_MS, MILLISECONDS,
1599	>	new ArrayBlockingQueue<Runnable>(10));
1600	>	try {
1601	>	e.invokeAll(null);
1602		shouldThrow();
1603	+	} catch (NullPointerException success) {
1604	+	} finally {
1605	+	joinPool(e);
1606		}
570	–	catch (NullPointerException successdn8){}
1607		}
572	–
1608
1609		/**
1610	<	*  execute throws RejectedExecutionException if shutdown
1610	>	* invokeAll(empty collection) returns empty collection
1611		*/
1612	<	public void testRejectedExecutionException() {
1613	<	ThreadPoolExecutor tpe = null;
1612	>	public void testInvokeAll2() throws InterruptedException {
1613	>	ExecutorService e =
1614	>	new ThreadPoolExecutor(2, 2,
1615	>	LONG_DELAY_MS, MILLISECONDS,
1616	>	new ArrayBlockingQueue<Runnable>(10));
1617		try {
1618	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1619	<	} catch(Exception e){}
1620	<	tpe.shutdown();
1621	<	try {
1622	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1618	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1619	>	assertTrue(r.isEmpty());
1620	>	} finally {
1621	>	joinPool(e);
1622	>	}
1623		}
1624
1625		/**
1626	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1626	>	* invokeAll(c) throws NPE if c has null elements
1627		*/
1628	<	public void testSaturatedExecute() {
1629	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1628	>	public void testInvokeAll3() throws Exception {
1629	>	ExecutorService e =
1630	>	new ThreadPoolExecutor(2, 2,
1631	>	LONG_DELAY_MS, MILLISECONDS,
1632	>	new ArrayBlockingQueue<Runnable>(10));
1633	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1634	>	l.add(new StringTask());
1635	>	l.add(null);
1636		try {
1637	<
1638	<	for(int i = 0; i < 5; ++i){
1639	<	p.execute(new MediumRunnable());
1637	>	e.invokeAll(l);
1638	>	shouldThrow();
1639	>	} catch (NullPointerException success) {
1640	>	} finally {
1641	>	joinPool(e);
1642	>	}
1643	>	}
1644	>
1645	>	/**
1646	>	* get of element of invokeAll(c) throws exception on failed task
1647	>	*/
1648	>	public void testInvokeAll4() throws Exception {
1649	>	ExecutorService e =
1650	>	new ThreadPoolExecutor(2, 2,
1651	>	LONG_DELAY_MS, MILLISECONDS,
1652	>	new ArrayBlockingQueue<Runnable>(10));
1653	>	try {
1654	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1655	>	l.add(new NPETask());
1656	>	List<Future<String>> futures = e.invokeAll(l);
1657	>	assertEquals(1, futures.size());
1658	>	try {
1659	>	futures.get(0).get();
1660	>	shouldThrow();
1661	>	} catch (ExecutionException success) {
1662	>	assertTrue(success.getCause() instanceof NullPointerException);
1663		}
1664	+	} finally {
1665	+	joinPool(e);
1666	+	}
1667	+	}
1668	+
1669	+	/**
1670	+	* invokeAll(c) returns results of all completed tasks
1671	+	*/
1672	+	public void testInvokeAll5() throws Exception {
1673	+	ExecutorService e =
1674	+	new ThreadPoolExecutor(2, 2,
1675	+	LONG_DELAY_MS, MILLISECONDS,
1676	+	new ArrayBlockingQueue<Runnable>(10));
1677	+	try {
1678	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1679	+	l.add(new StringTask());
1680	+	l.add(new StringTask());
1681	+	List<Future<String>> futures = e.invokeAll(l);
1682	+	assertEquals(2, futures.size());
1683	+	for (Future<String> future : futures)
1684	+	assertSame(TEST_STRING, future.get());
1685	+	} finally {
1686	+	joinPool(e);
1687	+	}
1688	+	}
1689	+
1690	+	/**
1691	+	* timed invokeAny(null) throws NPE
1692	+	*/
1693	+	public void testTimedInvokeAny1() throws Exception {
1694	+	ExecutorService e =
1695	+	new ThreadPoolExecutor(2, 2,
1696	+	LONG_DELAY_MS, MILLISECONDS,
1697	+	new ArrayBlockingQueue<Runnable>(10));
1698	+	try {
1699	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1700		shouldThrow();
1701	<	} catch(RejectedExecutionException success){}
1702	<	joinPool(p);
1701	>	} catch (NullPointerException success) {
1702	>	} finally {
1703	>	joinPool(e);
1704	>	}
1705		}
1706
1707		/**
1708	<	*  execute (null) throws NPE
1708	>	* timed invokeAny(,,null) throws NPE
1709		*/
1710	<	public void testExecuteNull() {
1711	<	ThreadPoolExecutor tpe = null;
1710	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1711	>	ExecutorService e =
1712	>	new ThreadPoolExecutor(2, 2,
1713	>	LONG_DELAY_MS, MILLISECONDS,
1714	>	new ArrayBlockingQueue<Runnable>(10));
1715	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1716	>	l.add(new StringTask());
1717		try {
1718	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1718	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1719		shouldThrow();
1720	<	} catch(NullPointerException success){}
1721	<
1722	<	joinPool(tpe);
1720	>	} catch (NullPointerException success) {
1721	>	} finally {
1722	>	joinPool(e);
1723	>	}
1724		}
1725	<
1725	>
1726		/**
1727	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1727	>	* timed invokeAny(empty collection) throws IAE
1728		*/
1729	<	public void testCorePoolSizeIllegalArgumentException() {
1730	<	ThreadPoolExecutor tpe = null;
1731	<	try {
1732	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1733	<	} catch(Exception e){}
629	<	try {
630	<	tpe.setCorePoolSize(-1);
631	<	shouldThrow();
632	<	} catch(IllegalArgumentException success){
633	<	} finally {
634	<	tpe.shutdown();
635	<	}
636	<	joinPool(tpe);
637	<	}
638	<
639	<	/**
640	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
641	<	*  given a value less the core pool size
642	<	*/
643	<	public void testMaximumPoolSizeIllegalArgumentException() {
644	<	ThreadPoolExecutor tpe = null;
1729	>	public void testTimedInvokeAny2() throws Exception {
1730	>	ExecutorService e =
1731	>	new ThreadPoolExecutor(2, 2,
1732	>	LONG_DELAY_MS, MILLISECONDS,
1733	>	new ArrayBlockingQueue<Runnable>(10));
1734		try {
1735	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1736	<	} catch(Exception e){}
1735	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1736	>	shouldThrow();
1737	>	} catch (IllegalArgumentException success) {
1738	>	} finally {
1739	>	joinPool(e);
1740	>	}
1741	>	}
1742	>
1743	>	/**
1744	>	* timed invokeAny(c) throws NPE if c has null elements
1745	>	*/
1746	>	public void testTimedInvokeAny3() throws Exception {
1747	>	final CountDownLatch latch = new CountDownLatch(1);
1748	>	final ExecutorService e =
1749	>	new ThreadPoolExecutor(2, 2,
1750	>	LONG_DELAY_MS, MILLISECONDS,
1751	>	new ArrayBlockingQueue<Runnable>(10));
1752	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1753	>	l.add(latchAwaitingStringTask(latch));
1754	>	l.add(null);
1755		try {
1756	<	tpe.setMaximumPoolSize(1);
1756	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1757		shouldThrow();
1758	<	} catch(IllegalArgumentException success){
1758	>	} catch (NullPointerException success) {
1759		} finally {
1760	<	tpe.shutdown();
1760	>	latch.countDown();
1761	>	joinPool(e);
1762		}
655	–	joinPool(tpe);
1763		}
1764	<
1764	>
1765		/**
1766	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1766	>	* timed invokeAny(c) throws ExecutionException if no task completes
1767		*/
1768	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1769	<	ThreadPoolExecutor tpe = null;
1768	>	public void testTimedInvokeAny4() throws Exception {
1769	>	ExecutorService e =
1770	>	new ThreadPoolExecutor(2, 2,
1771	>	LONG_DELAY_MS, MILLISECONDS,
1772	>	new ArrayBlockingQueue<Runnable>(10));
1773	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1774	>	l.add(new NPETask());
1775		try {
1776	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1777	<	} catch(Exception e){}
1776	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1777	>	shouldThrow();
1778	>	} catch (ExecutionException success) {
1779	>	assertTrue(success.getCause() instanceof NullPointerException);
1780	>	} finally {
1781	>	joinPool(e);
1782	>	}
1783	>	}
1784	>
1785	>	/**
1786	>	* timed invokeAny(c) returns result of some task
1787	>	*/
1788	>	public void testTimedInvokeAny5() throws Exception {
1789	>	ExecutorService e =
1790	>	new ThreadPoolExecutor(2, 2,
1791	>	LONG_DELAY_MS, MILLISECONDS,
1792	>	new ArrayBlockingQueue<Runnable>(10));
1793	>	try {
1794	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1795	>	l.add(new StringTask());
1796	>	l.add(new StringTask());
1797	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1798	>	assertSame(TEST_STRING, result);
1799	>	} finally {
1800	>	joinPool(e);
1801	>	}
1802	>	}
1803	>
1804	>	/**
1805	>	* timed invokeAll(null) throws NPE
1806	>	*/
1807	>	public void testTimedInvokeAll1() throws Exception {
1808	>	ExecutorService e =
1809	>	new ThreadPoolExecutor(2, 2,
1810	>	LONG_DELAY_MS, MILLISECONDS,
1811	>	new ArrayBlockingQueue<Runnable>(10));
1812		try {
1813	<	tpe.setMaximumPoolSize(-1);
1813	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1814		shouldThrow();
1815	<	} catch(IllegalArgumentException success){
1815	>	} catch (NullPointerException success) {
1816		} finally {
1817	<	tpe.shutdown();
1817	>	joinPool(e);
1818		}
674	–	joinPool(tpe);
1819		}
676	–
1820
1821		/**
1822	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1822	>	* timed invokeAll(,,null) throws NPE
1823		*/
1824	<	public void testKeepAliveTimeIllegalArgumentException() {
1825	<	ThreadPoolExecutor tpe = null;
1824	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1825	>	ExecutorService e =
1826	>	new ThreadPoolExecutor(2, 2,
1827	>	LONG_DELAY_MS, MILLISECONDS,
1828	>	new ArrayBlockingQueue<Runnable>(10));
1829	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1830	>	l.add(new StringTask());
1831		try {
1832	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
686	<	} catch(Exception e){}
687	<
688	<	try {
689	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1832	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1833		shouldThrow();
1834	<	} catch(IllegalArgumentException success){
1834	>	} catch (NullPointerException success) {
1835		} finally {
1836	<	tpe.shutdown();
1836	>	joinPool(e);
1837		}
695	–	joinPool(tpe);
1838		}
1839	<
1839	>
1840	>	/**
1841	>	* timed invokeAll(empty collection) returns empty collection
1842	>	*/
1843	>	public void testTimedInvokeAll2() throws InterruptedException {
1844	>	ExecutorService e =
1845	>	new ThreadPoolExecutor(2, 2,
1846	>	LONG_DELAY_MS, MILLISECONDS,
1847	>	new ArrayBlockingQueue<Runnable>(10));
1848	>	try {
1849	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1850	>	assertTrue(r.isEmpty());
1851	>	} finally {
1852	>	joinPool(e);
1853	>	}
1854	>	}
1855	>
1856	>	/**
1857	>	* timed invokeAll(c) throws NPE if c has null elements
1858	>	*/
1859	>	public void testTimedInvokeAll3() throws Exception {
1860	>	ExecutorService e =
1861	>	new ThreadPoolExecutor(2, 2,
1862	>	LONG_DELAY_MS, MILLISECONDS,
1863	>	new ArrayBlockingQueue<Runnable>(10));
1864	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1865	>	l.add(new StringTask());
1866	>	l.add(null);
1867	>	try {
1868	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1869	>	shouldThrow();
1870	>	} catch (NullPointerException success) {
1871	>	} finally {
1872	>	joinPool(e);
1873	>	}
1874	>	}
1875	>
1876	>	/**
1877	>	* get of element of invokeAll(c) throws exception on failed task
1878	>	*/
1879	>	public void testTimedInvokeAll4() throws Exception {
1880	>	ExecutorService e =
1881	>	new ThreadPoolExecutor(2, 2,
1882	>	LONG_DELAY_MS, MILLISECONDS,
1883	>	new ArrayBlockingQueue<Runnable>(10));
1884	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1885	>	l.add(new NPETask());
1886	>	List<Future<String>> futures =
1887	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1888	>	assertEquals(1, futures.size());
1889	>	try {
1890	>	futures.get(0).get();
1891	>	shouldThrow();
1892	>	} catch (ExecutionException success) {
1893	>	assertTrue(success.getCause() instanceof NullPointerException);
1894	>	} finally {
1895	>	joinPool(e);
1896	>	}
1897	>	}
1898	>
1899	>	/**
1900	>	* timed invokeAll(c) returns results of all completed tasks
1901	>	*/
1902	>	public void testTimedInvokeAll5() throws Exception {
1903	>	ExecutorService e =
1904	>	new ThreadPoolExecutor(2, 2,
1905	>	LONG_DELAY_MS, MILLISECONDS,
1906	>	new ArrayBlockingQueue<Runnable>(10));
1907	>	try {
1908	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1909	>	l.add(new StringTask());
1910	>	l.add(new StringTask());
1911	>	List<Future<String>> futures =
1912	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1913	>	assertEquals(2, futures.size());
1914	>	for (Future<String> future : futures)
1915	>	assertSame(TEST_STRING, future.get());
1916	>	} finally {
1917	>	joinPool(e);
1918	>	}
1919	>	}
1920	>
1921	>	/**
1922	>	* timed invokeAll(c) cancels tasks not completed by timeout
1923	>	*/
1924	>	public void testTimedInvokeAll6() throws Exception {
1925	>	ExecutorService e =
1926	>	new ThreadPoolExecutor(2, 2,
1927	>	LONG_DELAY_MS, MILLISECONDS,
1928	>	new ArrayBlockingQueue<Runnable>(10));
1929	>	try {
1930	>	for (long timeout = timeoutMillis();;) {
1931	>	List<Callable<String>> tasks = new ArrayList<>();
1932	>	tasks.add(new StringTask("0"));
1933	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1934	>	tasks.add(new StringTask("2"));
1935	>	long startTime = System.nanoTime();
1936	>	List<Future<String>> futures =
1937	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1938	>	assertEquals(tasks.size(), futures.size());
1939	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1940	>	for (Future future : futures)
1941	>	assertTrue(future.isDone());
1942	>	assertTrue(futures.get(1).isCancelled());
1943	>	try {
1944	>	assertEquals("0", futures.get(0).get());
1945	>	assertEquals("2", futures.get(2).get());
1946	>	break;
1947	>	} catch (CancellationException retryWithLongerTimeout) {
1948	>	timeout *= 2;
1949	>	if (timeout >= LONG_DELAY_MS / 2)
1950	>	fail("expected exactly one task to be cancelled");
1951	>	}
1952	>	}
1953	>	} finally {
1954	>	joinPool(e);
1955	>	}
1956	>	}
1957	>
1958	>	/**
1959	>	* Execution continues if there is at least one thread even if
1960	>	* thread factory fails to create more
1961	>	*/
1962	>	public void testFailingThreadFactory() throws InterruptedException {
1963	>	final ExecutorService e =
1964	>	new ThreadPoolExecutor(100, 100,
1965	>	LONG_DELAY_MS, MILLISECONDS,
1966	>	new LinkedBlockingQueue<Runnable>(),
1967	>	new FailingThreadFactory());
1968	>	try {
1969	>	final int TASKS = 100;
1970	>	final CountDownLatch done = new CountDownLatch(TASKS);
1971	>	for (int k = 0; k < TASKS; ++k)
1972	>	e.execute(new CheckedRunnable() {
1973	>	public void realRun() {
1974	>	done.countDown();
1975	>	}});
1976	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1977	>	} finally {
1978	>	joinPool(e);
1979	>	}
1980	>	}
1981	>
1982	>	/**
1983	>	* allowsCoreThreadTimeOut is by default false.
1984	>	*/
1985	>	public void testAllowsCoreThreadTimeOut() {
1986	>	final ThreadPoolExecutor p =
1987	>	new ThreadPoolExecutor(2, 2,
1988	>	1000, MILLISECONDS,
1989	>	new ArrayBlockingQueue<Runnable>(10));
1990	>	assertFalse(p.allowsCoreThreadTimeOut());
1991	>	joinPool(p);
1992	>	}
1993	>
1994	>	/**
1995	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1996	>	*/
1997	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1998	>	long keepAliveTime = timeoutMillis();
1999	>	final ThreadPoolExecutor p =
2000	>	new ThreadPoolExecutor(2, 10,
2001	>	keepAliveTime, MILLISECONDS,
2002	>	new ArrayBlockingQueue<Runnable>(10));
2003	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2004	>	try {
2005	>	p.allowCoreThreadTimeOut(true);
2006	>	p.execute(new CheckedRunnable() {
2007	>	public void realRun() {
2008	>	threadStarted.countDown();
2009	>	assertEquals(1, p.getPoolSize());
2010	>	}});
2011	>	await(threadStarted);
2012	>	delay(keepAliveTime);
2013	>	long startTime = System.nanoTime();
2014	>	while (p.getPoolSize() > 0
2015	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2016	>	Thread.yield();
2017	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2018	>	assertEquals(0, p.getPoolSize());
2019	>	} finally {
2020	>	joinPool(p);
2021	>	}
2022	>	}
2023	>
2024	>	/**
2025	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2026	>	*/
2027	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2028	>	long keepAliveTime = timeoutMillis();
2029	>	final ThreadPoolExecutor p =
2030	>	new ThreadPoolExecutor(2, 10,
2031	>	keepAliveTime, MILLISECONDS,
2032	>	new ArrayBlockingQueue<Runnable>(10));
2033	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2034	>	try {
2035	>	p.allowCoreThreadTimeOut(false);
2036	>	p.execute(new CheckedRunnable() {
2037	>	public void realRun() throws InterruptedException {
2038	>	threadStarted.countDown();
2039	>	assertTrue(p.getPoolSize() >= 1);
2040	>	}});
2041	>	delay(2 * keepAliveTime);
2042	>	assertTrue(p.getPoolSize() >= 1);
2043	>	} finally {
2044	>	joinPool(p);
2045	>	}
2046	>	}
2047	>
2048	>	/**
2049	>	* execute allows the same task to be submitted multiple times, even
2050	>	* if rejected
2051	>	*/
2052	>	public void testRejectedRecycledTask() throws InterruptedException {
2053	>	final int nTasks = 1000;
2054	>	final CountDownLatch done = new CountDownLatch(nTasks);
2055	>	final Runnable recycledTask = new Runnable() {
2056	>	public void run() {
2057	>	done.countDown();
2058	>	}};
2059	>	final ThreadPoolExecutor p =
2060	>	new ThreadPoolExecutor(1, 30,
2061	>	60, SECONDS,
2062	>	new ArrayBlockingQueue(30));
2063	>	try {
2064	>	for (int i = 0; i < nTasks; ++i) {
2065	>	for (;;) {
2066	>	try {
2067	>	p.execute(recycledTask);
2068	>	break;
2069	>	}
2070	>	catch (RejectedExecutionException ignore) {}
2071	>	}
2072	>	}
2073	>	// enough time to run all tasks
2074	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2075	>	} finally {
2076	>	joinPool(p);
2077	>	}
2078	>	}
2079	>
2080	>	/**
2081	>	* get(cancelled task) throws CancellationException
2082	>	*/
2083	>	public void testGet_cancelled() throws Exception {
2084	>	final ExecutorService e =
2085	>	new ThreadPoolExecutor(1, 1,
2086	>	LONG_DELAY_MS, MILLISECONDS,
2087	>	new LinkedBlockingQueue<Runnable>());
2088	>	try {
2089	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2090	>	final CountDownLatch done = new CountDownLatch(1);
2091	>	final List<Future<?>> futures = new ArrayList<>();
2092	>	for (int i = 0; i < 2; i++) {
2093	>	Runnable r = new CheckedRunnable() { public void realRun()
2094	>	throws Throwable {
2095	>	blockerStarted.countDown();
2096	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2097	>	}};
2098	>	futures.add(e.submit(r));
2099	>	}
2100	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2101	>	for (Future<?> future : futures) future.cancel(false);
2102	>	for (Future<?> future : futures) {
2103	>	try {
2104	>	future.get();
2105	>	shouldThrow();
2106	>	} catch (CancellationException success) {}
2107	>	try {
2108	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2109	>	shouldThrow();
2110	>	} catch (CancellationException success) {}
2111	>	assertTrue(future.isCancelled());
2112	>	assertTrue(future.isDone());
2113	>	}
2114	>	done.countDown();
2115	>	} finally {
2116	>	joinPool(e);
2117	>	}
2118	>	}
2119	>
2120		}

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