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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 1.46 by jsr166, Sun May 29 13:55:36 2011 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 static java.util.concurrent.TimeUnit.MILLISECONDS;
11	+	import java.util.concurrent.atomic.*;
12		import junit.framework.*;
13	<	import java.util.List;
13	>	import java.util.*;
14
15		public class ThreadPoolExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20		return new TestSuite(ThreadPoolExecutorTest.class);
21		}
22	<
22	>
23	>	static class ExtendedTPE extends ThreadPoolExecutor {
24	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
25	>	final CountDownLatch afterCalled = new CountDownLatch(1);
26	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
27	>
28	>	public ExtendedTPE() {
29	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
30	>	}
31	>	protected void beforeExecute(Thread t, Runnable r) {
32	>	beforeCalled.countDown();
33	>	}
34	>	protected void afterExecute(Runnable r, Throwable t) {
35	>	afterCalled.countDown();
36	>	}
37	>	protected void terminated() {
38	>	terminatedCalled.countDown();
39	>	}
40	>
41	>	public boolean beforeCalled() {
42	>	return beforeCalled.getCount() == 0;
43	>	}
44	>	public boolean afterCalled() {
45	>	return afterCalled.getCount() == 0;
46	>	}
47	>	public boolean terminatedCalled() {
48	>	return terminatedCalled.getCount() == 0;
49	>	}
50	>	}
51	>
52	>	static class FailingThreadFactory implements ThreadFactory {
53	>	int calls = 0;
54	>	public Thread newThread(Runnable r) {
55	>	if (++calls > 1) return null;
56	>	return new Thread(r);
57	>	}
58	>	}
59	>
60		/**
61	<	* For use as ThreadFactory in constructors
61	>	* execute successfully executes a runnable
62		*/
63	<	static class MyThreadFactory implements ThreadFactory{
64	<	public Thread newThread(Runnable r){
65	<	return new Thread(r);
66	<	}
63	>	public void testExecute() throws InterruptedException {
64	>	final ThreadPoolExecutor p =
65	>	new ThreadPoolExecutor(1, 1,
66	>	LONG_DELAY_MS, MILLISECONDS,
67	>	new ArrayBlockingQueue<Runnable>(10));
68	>	final CountDownLatch done = new CountDownLatch(1);
69	>	final Runnable task = new CheckedRunnable() {
70	>	public void realRun() {
71	>	done.countDown();
72	>	}};
73	>	try {
74	>	p.execute(task);
75	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
76	>	} finally {
77	>	joinPool(p);
78	>	}
79		}
80
81		/**
82	<	* For use as RejectedExecutionHandler in constructors
82	>	* getActiveCount increases but doesn't overestimate, when a
83	>	* thread becomes active
84		*/
85	<	static class MyREHandler implements RejectedExecutionHandler{
86	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
85	>	public void testGetActiveCount() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(2, 2,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch threadStarted = new CountDownLatch(1);
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	try {
93	>	assertEquals(0, p.getActiveCount());
94	>	p.execute(new CheckedRunnable() {
95	>	public void realRun() throws InterruptedException {
96	>	threadStarted.countDown();
97	>	assertEquals(1, p.getActiveCount());
98	>	done.await();
99	>	}});
100	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
101	>	assertEquals(1, p.getActiveCount());
102	>	} finally {
103	>	done.countDown();
104	>	joinPool(p);
105	>	}
106		}
107	<
107	>
108		/**
109	<	*   execute successfully executes a runnable
109	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
110		*/
111	<	public void testExecute() {
112	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
113	<	try {
114	<	p1.execute(new Runnable() {
115	<	public void run() {
116	<	try {
117	<	Thread.sleep(SHORT_DELAY_MS);
118	<	} catch(InterruptedException e){
119	<	threadUnexpectedException();
120	<	}
121	<	}
122	<	});
123	<	Thread.sleep(SMALL_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
54	<	}
55	<	joinPool(p1);
111	>	public void testPrestartCoreThread() {
112	>	final ThreadPoolExecutor p =
113	>	new ThreadPoolExecutor(2, 2,
114	>	LONG_DELAY_MS, MILLISECONDS,
115	>	new ArrayBlockingQueue<Runnable>(10));
116	>	assertEquals(0, p.getPoolSize());
117	>	assertTrue(p.prestartCoreThread());
118	>	assertEquals(1, p.getPoolSize());
119	>	assertTrue(p.prestartCoreThread());
120	>	assertEquals(2, p.getPoolSize());
121	>	assertFalse(p.prestartCoreThread());
122	>	assertEquals(2, p.getPoolSize());
123	>	joinPool(p);
124		}
125
126		/**
127	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
127	>	* prestartAllCoreThreads starts all corePoolSize threads
128		*/
129	<	public void testGetActiveCount() {
130	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
131	<	assertEquals(0, p2.getActiveCount());
132	<	p2.execute(new MediumRunnable());
133	<	try {
134	<	Thread.sleep(SHORT_DELAY_MS);
135	<	} catch(Exception e){
136	<	unexpectedException();
137	<	}
138	<	assertEquals(1, p2.getActiveCount());
139	<	joinPool(p2);
129	>	public void testPrestartAllCoreThreads() {
130	>	final ThreadPoolExecutor p =
131	>	new ThreadPoolExecutor(2, 2,
132	>	LONG_DELAY_MS, MILLISECONDS,
133	>	new ArrayBlockingQueue<Runnable>(10));
134	>	assertEquals(0, p.getPoolSize());
135	>	p.prestartAllCoreThreads();
136	>	assertEquals(2, p.getPoolSize());
137	>	p.prestartAllCoreThreads();
138	>	assertEquals(2, p.getPoolSize());
139	>	joinPool(p);
140		}
141	<
141	>
142		/**
143	<	*   getCompletedTaskCount increases, but doesn't overestimate,
144	<	*   when tasks complete
143	>	* getCompletedTaskCount increases, but doesn't overestimate,
144	>	* when tasks complete
145		*/
146	<	public void testGetCompletedTaskCount() {
147	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
148	<	assertEquals(0, p2.getCompletedTaskCount());
149	<	p2.execute(new ShortRunnable());
150	<	try {
151	<	Thread.sleep(MEDIUM_DELAY_MS);
152	<	} catch(Exception e){
153	<	unexpectedException();
146	>	public void testGetCompletedTaskCount() throws InterruptedException {
147	>	final ThreadPoolExecutor p =
148	>	new ThreadPoolExecutor(2, 2,
149	>	LONG_DELAY_MS, MILLISECONDS,
150	>	new ArrayBlockingQueue<Runnable>(10));
151	>	final CountDownLatch threadStarted = new CountDownLatch(1);
152	>	final CountDownLatch threadProceed = new CountDownLatch(1);
153	>	final CountDownLatch threadDone = new CountDownLatch(1);
154	>	try {
155	>	assertEquals(0, p.getCompletedTaskCount());
156	>	p.execute(new CheckedRunnable() {
157	>	public void realRun() throws InterruptedException {
158	>	threadStarted.countDown();
159	>	assertEquals(0, p.getCompletedTaskCount());
160	>	threadProceed.await();
161	>	threadDone.countDown();
162	>	}});
163	>	await(threadStarted);
164	>	assertEquals(0, p.getCompletedTaskCount());
165	>	threadProceed.countDown();
166	>	threadDone.await();
167	>	long startTime = System.nanoTime();
168	>	while (p.getCompletedTaskCount() != 1) {
169	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
170	>	fail("timed out");
171	>	Thread.yield();
172	>	}
173	>	} finally {
174	>	joinPool(p);
175		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
176		}
177	<
177	>
178		/**
179	<	*   getCorePoolSize returns size given in constructor if not otherwise set
179	>	* getCorePoolSize returns size given in constructor if not otherwise set
180		*/
181		public void testGetCorePoolSize() {
182	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
183	<	assertEquals(1, p1.getCorePoolSize());
184	<	joinPool(p1);
182	>	final ThreadPoolExecutor p =
183	>	new ThreadPoolExecutor(1, 1,
184	>	LONG_DELAY_MS, MILLISECONDS,
185	>	new ArrayBlockingQueue<Runnable>(10));
186	>	assertEquals(1, p.getCorePoolSize());
187	>	joinPool(p);
188		}
189	<
189	>
190		/**
191	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
191	>	* getKeepAliveTime returns value given in constructor if not otherwise set
192		*/
193		public void testGetKeepAliveTime() {
194	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
195	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
196	<	joinPool(p2);
197	<	}
198	<
199	<	/**
112	<	*   getLargestPoolSize increases, but doesn't overestimate, when
113	<	*   multiple threads active
114	<	*/
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);
194	>	final ThreadPoolExecutor p =
195	>	new ThreadPoolExecutor(2, 2,
196	>	1000, MILLISECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10));
198	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
199	>	joinPool(p);
200		}
201	<
201	>
202		/**
203	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
203	>	* getThreadFactory returns factory in constructor if not set
204		*/
205	<	public void testGetMaximumPoolSize() {
206	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
207	<	assertEquals(2, p2.getMaximumPoolSize());
208	<	joinPool(p2);
205	>	public void testGetThreadFactory() {
206	>	ThreadFactory tf = new SimpleThreadFactory();
207	>	final ThreadPoolExecutor p =
208	>	new ThreadPoolExecutor(1, 2,
209	>	LONG_DELAY_MS, MILLISECONDS,
210	>	new ArrayBlockingQueue<Runnable>(10),
211	>	tf,
212	>	new NoOpREHandler());
213	>	assertSame(tf, p.getThreadFactory());
214	>	joinPool(p);
215		}
216	<
216	>
217		/**
218	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
218	>	* setThreadFactory sets the thread factory returned by getThreadFactory
219		*/
220	<	public void testGetPoolSize() {
221	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
222	<	assertEquals(0, p1.getPoolSize());
223	<	p1.execute(new MediumRunnable());
224	<	assertEquals(1, p1.getPoolSize());
225	<	joinPool(p1);
220	>	public void testSetThreadFactory() {
221	>	final ThreadPoolExecutor p =
222	>	new ThreadPoolExecutor(1, 2,
223	>	LONG_DELAY_MS, MILLISECONDS,
224	>	new ArrayBlockingQueue<Runnable>(10));
225	>	ThreadFactory tf = new SimpleThreadFactory();
226	>	p.setThreadFactory(tf);
227	>	assertSame(tf, p.getThreadFactory());
228	>	joinPool(p);
229		}
230	<
230	>
231		/**
232	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
232	>	* setThreadFactory(null) throws NPE
233		*/
234	<	public void testGetTaskCount() {
235	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
234	>	public void testSetThreadFactoryNull() {
235	>	final ThreadPoolExecutor p =
236	>	new ThreadPoolExecutor(1, 2,
237	>	LONG_DELAY_MS, MILLISECONDS,
238	>	new ArrayBlockingQueue<Runnable>(10));
239		try {
240	<	assertEquals(0, p1.getTaskCount());
241	<	p1.execute(new MediumRunnable());
242	<	Thread.sleep(SHORT_DELAY_MS);
243	<	assertEquals(1, p1.getTaskCount());
244	<	} catch(Exception e){
245	<	unexpectedException();
163	<	}
164	<	joinPool(p1);
240	>	p.setThreadFactory(null);
241	>	shouldThrow();
242	>	} catch (NullPointerException success) {
243	>	} finally {
244	>	joinPool(p);
245	>	}
246		}
247	<
247	>
248		/**
249	<	*   isShutDown is false before shutdown, true after
249	>	* getRejectedExecutionHandler returns handler in constructor if not set
250		*/
251	<	public void testIsShutdown() {
252	<
253	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
254	<	assertFalse(p1.isShutdown());
255	<	p1.shutdown();
256	<	assertTrue(p1.isShutdown());
257	<	joinPool(p1);
251	>	public void testGetRejectedExecutionHandler() {
252	>	final RejectedExecutionHandler h = new NoOpREHandler();
253	>	final ThreadPoolExecutor p =
254	>	new ThreadPoolExecutor(1, 2,
255	>	LONG_DELAY_MS, MILLISECONDS,
256	>	new ArrayBlockingQueue<Runnable>(10),
257	>	h);
258	>	assertSame(h, p.getRejectedExecutionHandler());
259	>	joinPool(p);
260	>	}
261	>
262	>	/**
263	>	* setRejectedExecutionHandler sets the handler returned by
264	>	* getRejectedExecutionHandler
265	>	*/
266	>	public void testSetRejectedExecutionHandler() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	RejectedExecutionHandler h = new NoOpREHandler();
272	>	p.setRejectedExecutionHandler(h);
273	>	assertSame(h, p.getRejectedExecutionHandler());
274	>	joinPool(p);
275		}
276
179	–
277		/**
278	<	*  isTerminated is false before termination, true after
278	>	* setRejectedExecutionHandler(null) throws NPE
279		*/
280	<	public void testIsTerminated() {
281	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
282	<	assertFalse(p1.isTerminated());
280	>	public void testSetRejectedExecutionHandlerNull() {
281	>	final ThreadPoolExecutor p =
282	>	new ThreadPoolExecutor(1, 2,
283	>	LONG_DELAY_MS, MILLISECONDS,
284	>	new ArrayBlockingQueue<Runnable>(10));
285		try {
286	<	p1.execute(new MediumRunnable());
286	>	p.setRejectedExecutionHandler(null);
287	>	shouldThrow();
288	>	} catch (NullPointerException success) {
289		} finally {
290	<	p1.shutdown();
290	>	joinPool(p);
291		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
292		}
293
294		/**
295	<	*  isTerminating is not true when running or when terminated
295	>	* getLargestPoolSize increases, but doesn't overestimate, when
296	>	* multiple threads active
297		*/
298	<	public void testIsTerminating() {
299	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	assertFalse(p1.isTerminating());
301	<	try {
302	<	p1.execute(new SmallRunnable());
303	<	assertFalse(p1.isTerminating());
298	>	public void testGetLargestPoolSize() throws InterruptedException {
299	>	final int THREADS = 3;
300	>	final ThreadPoolExecutor p =
301	>	new ThreadPoolExecutor(THREADS, THREADS,
302	>	LONG_DELAY_MS, MILLISECONDS,
303	>	new ArrayBlockingQueue<Runnable>(10));
304	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
305	>	final CountDownLatch done = new CountDownLatch(1);
306	>	try {
307	>	assertEquals(0, p.getLargestPoolSize());
308	>	for (int i = 0; i < THREADS; i++)
309	>	p.execute(new CheckedRunnable() {
310	>	public void realRun() throws InterruptedException {
311	>	threadsStarted.countDown();
312	>	done.await();
313	>	assertEquals(THREADS, p.getLargestPoolSize());
314	>	}});
315	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
316	>	assertEquals(THREADS, p.getLargestPoolSize());
317		} finally {
318	<	p1.shutdown();
318	>	done.countDown();
319	>	joinPool(p);
320	>	assertEquals(THREADS, p.getLargestPoolSize());
321		}
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	–	}
322		}
323
324		/**
325	<	*   purge removes cancelled tasks from the queue
325	>	* getMaximumPoolSize returns value given in constructor if not
326	>	* otherwise set
327		*/
328	<	public void testPurge() {
329	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
330	<	CancellableTask[] tasks = new CancellableTask[5];
331	<	for(int i = 0; i < 5; i++){
332	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
333	<	p1.execute(tasks[i]);
328	>	public void testGetMaximumPoolSize() {
329	>	final ThreadPoolExecutor p =
330	>	new ThreadPoolExecutor(2, 3,
331	>	LONG_DELAY_MS, MILLISECONDS,
332	>	new ArrayBlockingQueue<Runnable>(10));
333	>	assertEquals(3, p.getMaximumPoolSize());
334	>	joinPool(p);
335	>	}
336	>
337	>	/**
338	>	* getPoolSize increases, but doesn't overestimate, when threads
339	>	* become active
340	>	*/
341	>	public void testGetPoolSize() throws InterruptedException {
342	>	final ThreadPoolExecutor p =
343	>	new ThreadPoolExecutor(1, 1,
344	>	LONG_DELAY_MS, MILLISECONDS,
345	>	new ArrayBlockingQueue<Runnable>(10));
346	>	final CountDownLatch threadStarted = new CountDownLatch(1);
347	>	final CountDownLatch done = new CountDownLatch(1);
348	>	try {
349	>	assertEquals(0, p.getPoolSize());
350	>	p.execute(new CheckedRunnable() {
351	>	public void realRun() throws InterruptedException {
352	>	threadStarted.countDown();
353	>	assertEquals(1, p.getPoolSize());
354	>	done.await();
355	>	}});
356	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
357	>	assertEquals(1, p.getPoolSize());
358	>	} finally {
359	>	done.countDown();
360	>	joinPool(p);
361	>	}
362	>	}
363	>
364	>	/**
365	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
366	>	*/
367	>	public void testGetTaskCount() throws InterruptedException {
368	>	final ThreadPoolExecutor p =
369	>	new ThreadPoolExecutor(1, 1,
370	>	LONG_DELAY_MS, MILLISECONDS,
371	>	new ArrayBlockingQueue<Runnable>(10));
372	>	final CountDownLatch threadStarted = new CountDownLatch(1);
373	>	final CountDownLatch done = new CountDownLatch(1);
374	>	try {
375	>	assertEquals(0, p.getTaskCount());
376	>	p.execute(new CheckedRunnable() {
377	>	public void realRun() throws InterruptedException {
378	>	threadStarted.countDown();
379	>	assertEquals(1, p.getTaskCount());
380	>	done.await();
381	>	}});
382	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
383	>	assertEquals(1, p.getTaskCount());
384	>	} finally {
385	>	done.countDown();
386	>	joinPool(p);
387		}
230	–	tasks[4].cancel(true);
231	–	tasks[3].cancel(true);
232	–	p1.purge();
233	–	long count = p1.getTaskCount();
234	–	assertTrue(count >= 2 && count < 5);
235	–	joinPool(p1);
388		}
389
390		/**
391	<	*  shutDownNow returns a list containing tasks that were not run
391	>	* isShutdown is false before shutdown, true after
392		*/
393	<	public void testShutDownNow() {
394	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
393	>	public void testIsShutdown() {
394	>	final ThreadPoolExecutor p =
395	>	new ThreadPoolExecutor(1, 1,
396	>	LONG_DELAY_MS, MILLISECONDS,
397	>	new ArrayBlockingQueue<Runnable>(10));
398	>	assertFalse(p.isShutdown());
399	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
400	>	assertTrue(p.isShutdown());
401	>	joinPool(p);
402	>	}
403	>
404	>	/**
405	>	* isTerminated is false before termination, true after
406	>	*/
407	>	public void testIsTerminated() throws InterruptedException {
408	>	final ThreadPoolExecutor p =
409	>	new ThreadPoolExecutor(1, 1,
410	>	LONG_DELAY_MS, MILLISECONDS,
411	>	new ArrayBlockingQueue<Runnable>(10));
412	>	final CountDownLatch threadStarted = new CountDownLatch(1);
413	>	final CountDownLatch done = new CountDownLatch(1);
414	>	assertFalse(p.isTerminated());
415	>	try {
416	>	p.execute(new CheckedRunnable() {
417	>	public void realRun() throws InterruptedException {
418	>	assertFalse(p.isTerminated());
419	>	threadStarted.countDown();
420	>	done.await();
421	>	}});
422	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
423	>	assertFalse(p.isTerminating());
424	>	done.countDown();
425	>	} finally {
426	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
427	>	}
428	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
429	>	assertTrue(p.isTerminated());
430	>	}
431	>
432	>	/**
433	>	* isTerminating is not true when running or when terminated
434	>	*/
435	>	public void testIsTerminating() throws InterruptedException {
436	>	final ThreadPoolExecutor p =
437	>	new ThreadPoolExecutor(1, 1,
438	>	LONG_DELAY_MS, MILLISECONDS,
439	>	new ArrayBlockingQueue<Runnable>(10));
440	>	final CountDownLatch threadStarted = new CountDownLatch(1);
441	>	final CountDownLatch done = new CountDownLatch(1);
442	>	try {
443	>	assertFalse(p.isTerminating());
444	>	p.execute(new CheckedRunnable() {
445	>	public void realRun() throws InterruptedException {
446	>	assertFalse(p.isTerminating());
447	>	threadStarted.countDown();
448	>	done.await();
449	>	}});
450	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
451	>	assertFalse(p.isTerminating());
452	>	done.countDown();
453	>	} finally {
454	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
455	>	}
456	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
457	>	assertTrue(p.isTerminated());
458	>	assertFalse(p.isTerminating());
459	>	}
460	>
461	>	/**
462	>	* getQueue returns the work queue, which contains queued tasks
463	>	*/
464	>	public void testGetQueue() throws InterruptedException {
465	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
466	>	final ThreadPoolExecutor p =
467	>	new ThreadPoolExecutor(1, 1,
468	>	LONG_DELAY_MS, MILLISECONDS,
469	>	q);
470	>	final CountDownLatch threadStarted = new CountDownLatch(1);
471	>	final CountDownLatch done = new CountDownLatch(1);
472	>	try {
473	>	FutureTask[] tasks = new FutureTask[5];
474	>	for (int i = 0; i < tasks.length; i++) {
475	>	Callable task = new CheckedCallable<Boolean>() {
476	>	public Boolean realCall() throws InterruptedException {
477	>	threadStarted.countDown();
478	>	assertSame(q, p.getQueue());
479	>	done.await();
480	>	return Boolean.TRUE;
481	>	}};
482	>	tasks[i] = new FutureTask(task);
483	>	p.execute(tasks[i]);
484	>	}
485	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
486	>	assertSame(q, p.getQueue());
487	>	assertFalse(q.contains(tasks[0]));
488	>	assertTrue(q.contains(tasks[tasks.length - 1]));
489	>	assertEquals(tasks.length - 1, q.size());
490	>	} finally {
491	>	done.countDown();
492	>	joinPool(p);
493	>	}
494	>	}
495	>
496	>	/**
497	>	* remove(task) removes queued task, and fails to remove active task
498	>	*/
499	>	public void testRemove() throws InterruptedException {
500	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
501	>	final ThreadPoolExecutor p =
502	>	new ThreadPoolExecutor(1, 1,
503	>	LONG_DELAY_MS, MILLISECONDS,
504	>	q);
505	>	Runnable[] tasks = new Runnable[5];
506	>	final CountDownLatch threadStarted = new CountDownLatch(1);
507	>	final CountDownLatch done = new CountDownLatch(1);
508	>	try {
509	>	for (int i = 0; i < tasks.length; i++) {
510	>	tasks[i] = new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	threadStarted.countDown();
513	>	done.await();
514	>	}};
515	>	p.execute(tasks[i]);
516	>	}
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.remove(tasks[0]));
519	>	assertTrue(q.contains(tasks[4]));
520	>	assertTrue(q.contains(tasks[3]));
521	>	assertTrue(p.remove(tasks[4]));
522	>	assertFalse(p.remove(tasks[4]));
523	>	assertFalse(q.contains(tasks[4]));
524	>	assertTrue(q.contains(tasks[3]));
525	>	assertTrue(p.remove(tasks[3]));
526	>	assertFalse(q.contains(tasks[3]));
527	>	} finally {
528	>	done.countDown();
529	>	joinPool(p);
530	>	}
531	>	}
532	>
533	>	/**
534	>	* purge removes cancelled tasks from the queue
535	>	*/
536	>	public void testPurge() throws InterruptedException {
537	>	final CountDownLatch threadStarted = new CountDownLatch(1);
538	>	final CountDownLatch done = new CountDownLatch(1);
539	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
540	>	final ThreadPoolExecutor p =
541	>	new ThreadPoolExecutor(1, 1,
542	>	LONG_DELAY_MS, MILLISECONDS,
543	>	q);
544	>	FutureTask[] tasks = new FutureTask[5];
545	>	try {
546	>	for (int i = 0; i < tasks.length; i++) {
547	>	Callable task = new CheckedCallable<Boolean>() {
548	>	public Boolean realCall() throws InterruptedException {
549	>	threadStarted.countDown();
550	>	done.await();
551	>	return Boolean.TRUE;
552	>	}};
553	>	tasks[i] = new FutureTask(task);
554	>	p.execute(tasks[i]);
555	>	}
556	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
557	>	assertEquals(tasks.length, p.getTaskCount());
558	>	assertEquals(tasks.length - 1, q.size());
559	>	assertEquals(1L, p.getActiveCount());
560	>	assertEquals(0L, p.getCompletedTaskCount());
561	>	tasks[4].cancel(true);
562	>	tasks[3].cancel(false);
563	>	p.purge();
564	>	assertEquals(tasks.length - 3, q.size());
565	>	assertEquals(tasks.length - 2, p.getTaskCount());
566	>	p.purge();         // Nothing to do
567	>	assertEquals(tasks.length - 3, q.size());
568	>	assertEquals(tasks.length - 2, p.getTaskCount());
569	>	} finally {
570	>	done.countDown();
571	>	joinPool(p);
572	>	}
573	>	}
574	>
575	>	/**
576	>	* shutdownNow returns a list containing tasks that were not run
577	>	*/
578	>	public void testShutdownNow() {
579	>	final ThreadPoolExecutor p =
580	>	new ThreadPoolExecutor(1, 1,
581	>	LONG_DELAY_MS, MILLISECONDS,
582	>	new ArrayBlockingQueue<Runnable>(10));
583		List l;
584		try {
585	<	for(int i = 0; i < 5; i++)
586	<	p1.execute(new MediumPossiblyInterruptedRunnable());
585	>	for (int i = 0; i < 5; i++)
586	>	p.execute(new MediumPossiblyInterruptedRunnable());
587		}
588		finally {
589	<	l = p1.shutdownNow();
589	>	try {
590	>	l = p.shutdownNow();
591	>	} catch (SecurityException ok) { return; }
592		}
593	<	assertTrue(p1.isShutdown());
594	<	assertTrue(l.size() <= 4);
593	>	assertTrue(p.isShutdown());
594	>	assertTrue(l.size() <= 4);
595		}
596
597		// Exception Tests
256	–
598
599	<	/**
600	<	* Constructor throws if corePoolSize argument is less than zero
599	>	/**
600	>	* Constructor throws if corePoolSize argument is less than zero
601		*/
602		public void testConstructor1() {
603		try {
604	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
604	>	new ThreadPoolExecutor(-1, 1,
605	>	LONG_DELAY_MS, MILLISECONDS,
606	>	new ArrayBlockingQueue<Runnable>(10));
607		shouldThrow();
608	<	}
266	<	catch (IllegalArgumentException success){}
608	>	} catch (IllegalArgumentException success) {}
609		}
610	<
611	<	/**
612	<	* Constructor throws if maximumPoolSize is less than zero
610	>
611	>	/**
612	>	* Constructor throws if maximumPoolSize is less than zero
613		*/
614		public void testConstructor2() {
615		try {
616	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
616	>	new ThreadPoolExecutor(1, -1,
617	>	LONG_DELAY_MS, MILLISECONDS,
618	>	new ArrayBlockingQueue<Runnable>(10));
619		shouldThrow();
620	<	}
277	<	catch (IllegalArgumentException success){}
620	>	} catch (IllegalArgumentException success) {}
621		}
622	<
623	<	/**
624	<	* Constructor throws if maximumPoolSize is equal to zero
622	>
623	>	/**
624	>	* Constructor throws if maximumPoolSize is equal to zero
625		*/
626		public void testConstructor3() {
627		try {
628	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
628	>	new ThreadPoolExecutor(1, 0,
629	>	LONG_DELAY_MS, MILLISECONDS,
630	>	new ArrayBlockingQueue<Runnable>(10));
631		shouldThrow();
632	<	}
288	<	catch (IllegalArgumentException success){}
632	>	} catch (IllegalArgumentException success) {}
633		}
634
635	<	/**
636	<	* Constructor throws if keepAliveTime is less than zero
635	>	/**
636	>	* Constructor throws if keepAliveTime is less than zero
637		*/
638		public void testConstructor4() {
639		try {
640	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
640	>	new ThreadPoolExecutor(1, 2,
641	>	-1L, MILLISECONDS,
642	>	new ArrayBlockingQueue<Runnable>(10));
643		shouldThrow();
644	<	}
299	<	catch (IllegalArgumentException success){}
644	>	} catch (IllegalArgumentException success) {}
645		}
646
647	<	/**
648	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
647	>	/**
648	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
649		*/
650		public void testConstructor5() {
651		try {
652	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
652	>	new ThreadPoolExecutor(2, 1,
653	>	LONG_DELAY_MS, MILLISECONDS,
654	>	new ArrayBlockingQueue<Runnable>(10));
655		shouldThrow();
656	<	}
310	<	catch (IllegalArgumentException success){}
656	>	} catch (IllegalArgumentException success) {}
657		}
658	<
659	<	/**
660	<	* Constructor throws if workQueue is set to null
658	>
659	>	/**
660	>	* Constructor throws if workQueue is set to null
661		*/
662	<	public void testNullPointerException() {
662	>	public void testConstructorNullPointerException() {
663		try {
664	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
664	>	new ThreadPoolExecutor(1, 2,
665	>	LONG_DELAY_MS, MILLISECONDS,
666	>	(BlockingQueue) null);
667		shouldThrow();
668	<	}
321	<	catch (NullPointerException success){}
668	>	} catch (NullPointerException success) {}
669		}
323	–
670
671	<
672	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
671	>	/**
672	>	* Constructor throws if corePoolSize argument is less than zero
673		*/
674		public void testConstructor6() {
675		try {
676	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
676	>	new ThreadPoolExecutor(-1, 1,
677	>	LONG_DELAY_MS, MILLISECONDS,
678	>	new ArrayBlockingQueue<Runnable>(10),
679	>	new SimpleThreadFactory());
680		shouldThrow();
681	<	} catch (IllegalArgumentException success){}
681	>	} catch (IllegalArgumentException success) {}
682		}
683	<
684	<	/**
685	<	* Constructor throws if maximumPoolSize is less than zero
683	>
684	>	/**
685	>	* Constructor throws if maximumPoolSize is less than zero
686		*/
687		public void testConstructor7() {
688		try {
689	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
689	>	new ThreadPoolExecutor(1, -1,
690	>	LONG_DELAY_MS, MILLISECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10),
692	>	new SimpleThreadFactory());
693		shouldThrow();
694	<	}
344	<	catch (IllegalArgumentException success){}
694	>	} catch (IllegalArgumentException success) {}
695		}
696
697	<	/**
698	<	* Constructor throws if maximumPoolSize is equal to zero
697	>	/**
698	>	* Constructor throws if maximumPoolSize is equal to zero
699		*/
700		public void testConstructor8() {
701		try {
702	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
702	>	new ThreadPoolExecutor(1, 0,
703	>	LONG_DELAY_MS, MILLISECONDS,
704	>	new ArrayBlockingQueue<Runnable>(10),
705	>	new SimpleThreadFactory());
706		shouldThrow();
707	<	}
355	<	catch (IllegalArgumentException success){}
707	>	} catch (IllegalArgumentException success) {}
708		}
709
710	<	/**
711	<	* Constructor throws if keepAliveTime is less than zero
710	>	/**
711	>	* Constructor throws if keepAliveTime is less than zero
712		*/
713		public void testConstructor9() {
714		try {
715	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
715	>	new ThreadPoolExecutor(1, 2,
716	>	-1L, MILLISECONDS,
717	>	new ArrayBlockingQueue<Runnable>(10),
718	>	new SimpleThreadFactory());
719		shouldThrow();
720	<	}
366	<	catch (IllegalArgumentException success){}
720	>	} catch (IllegalArgumentException success) {}
721		}
722
723	<	/**
724	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
723	>	/**
724	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
725		*/
726		public void testConstructor10() {
727		try {
728	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
728	>	new ThreadPoolExecutor(2, 1,
729	>	LONG_DELAY_MS, MILLISECONDS,
730	>	new ArrayBlockingQueue<Runnable>(10),
731	>	new SimpleThreadFactory());
732		shouldThrow();
733	<	}
377	<	catch (IllegalArgumentException success){}
733	>	} catch (IllegalArgumentException success) {}
734		}
735
736	<	/**
737	<	* Constructor throws if workQueue is set to null
736	>	/**
737	>	* Constructor throws if workQueue is set to null
738		*/
739	<	public void testNullPointerException2() {
739	>	public void testConstructorNullPointerException2() {
740		try {
741	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
741	>	new ThreadPoolExecutor(1, 2,
742	>	LONG_DELAY_MS, MILLISECONDS,
743	>	(BlockingQueue) null,
744	>	new SimpleThreadFactory());
745		shouldThrow();
746	<	}
388	<	catch (NullPointerException success){}
746	>	} catch (NullPointerException success) {}
747		}
748
749	<	/**
750	<	* Constructor throws if threadFactory is set to null
749	>	/**
750	>	* Constructor throws if threadFactory is set to null
751		*/
752	<	public void testNullPointerException3() {
752	>	public void testConstructorNullPointerException3() {
753		try {
754	<	ThreadFactory f = null;
755	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
754	>	new ThreadPoolExecutor(1, 2,
755	>	LONG_DELAY_MS, MILLISECONDS,
756	>	new ArrayBlockingQueue<Runnable>(10),
757	>	(ThreadFactory) null);
758		shouldThrow();
759	<	}
400	<	catch (NullPointerException success){}
759	>	} catch (NullPointerException success) {}
760		}
761	<
762	<
763	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
761	>
762	>	/**
763	>	* Constructor throws if corePoolSize argument is less than zero
764		*/
765		public void testConstructor11() {
766		try {
767	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
767	>	new ThreadPoolExecutor(-1, 1,
768	>	LONG_DELAY_MS, MILLISECONDS,
769	>	new ArrayBlockingQueue<Runnable>(10),
770	>	new NoOpREHandler());
771		shouldThrow();
772	<	}
412	<	catch (IllegalArgumentException success){}
772	>	} catch (IllegalArgumentException success) {}
773		}
774
775	<	/**
776	<	* Constructor throws if maximumPoolSize is less than zero
775	>	/**
776	>	* Constructor throws if maximumPoolSize is less than zero
777		*/
778		public void testConstructor12() {
779		try {
780	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
780	>	new ThreadPoolExecutor(1, -1,
781	>	LONG_DELAY_MS, MILLISECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new NoOpREHandler());
784		shouldThrow();
785	<	}
423	<	catch (IllegalArgumentException success){}
785	>	} catch (IllegalArgumentException success) {}
786		}
787
788	<	/**
789	<	* Constructor throws if maximumPoolSize is equal to zero
788	>	/**
789	>	* Constructor throws if maximumPoolSize is equal to zero
790		*/
791		public void testConstructor13() {
792		try {
793	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
793	>	new ThreadPoolExecutor(1, 0,
794	>	LONG_DELAY_MS, MILLISECONDS,
795	>	new ArrayBlockingQueue<Runnable>(10),
796	>	new NoOpREHandler());
797		shouldThrow();
798	<	}
434	<	catch (IllegalArgumentException success){}
798	>	} catch (IllegalArgumentException success) {}
799		}
800
801	<	/**
802	<	* Constructor throws if keepAliveTime is less than zero
801	>	/**
802	>	* Constructor throws if keepAliveTime is less than zero
803		*/
804		public void testConstructor14() {
805		try {
806	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
806	>	new ThreadPoolExecutor(1, 2,
807	>	-1L, MILLISECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new NoOpREHandler());
810		shouldThrow();
811	<	}
445	<	catch (IllegalArgumentException success){}
811	>	} catch (IllegalArgumentException success) {}
812		}
813
814	<	/**
815	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
814	>	/**
815	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
816		*/
817		public void testConstructor15() {
818		try {
819	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
819	>	new ThreadPoolExecutor(2, 1,
820	>	LONG_DELAY_MS, MILLISECONDS,
821	>	new ArrayBlockingQueue<Runnable>(10),
822	>	new NoOpREHandler());
823	>	shouldThrow();
824	>	} catch (IllegalArgumentException success) {}
825	>	}
826	>
827	>	/**
828	>	* Constructor throws if workQueue is set to null
829	>	*/
830	>	public void testConstructorNullPointerException4() {
831	>	try {
832	>	new ThreadPoolExecutor(1, 2,
833	>	LONG_DELAY_MS, MILLISECONDS,
834	>	(BlockingQueue) null,
835	>	new NoOpREHandler());
836	>	shouldThrow();
837	>	} catch (NullPointerException success) {}
838	>	}
839	>
840	>	/**
841	>	* Constructor throws if handler is set to null
842	>	*/
843	>	public void testConstructorNullPointerException5() {
844	>	try {
845	>	new ThreadPoolExecutor(1, 2,
846	>	LONG_DELAY_MS, MILLISECONDS,
847	>	new ArrayBlockingQueue<Runnable>(10),
848	>	(RejectedExecutionHandler) null);
849	>	shouldThrow();
850	>	} catch (NullPointerException success) {}
851	>	}
852	>
853	>	/**
854	>	* Constructor throws if corePoolSize argument is less than zero
855	>	*/
856	>	public void testConstructor16() {
857	>	try {
858	>	new ThreadPoolExecutor(-1, 1,
859	>	LONG_DELAY_MS, MILLISECONDS,
860	>	new ArrayBlockingQueue<Runnable>(10),
861	>	new SimpleThreadFactory(),
862	>	new NoOpREHandler());
863		shouldThrow();
864	+	} catch (IllegalArgumentException success) {}
865	+	}
866	+
867	+	/**
868	+	* Constructor throws if maximumPoolSize is less than zero
869	+	*/
870	+	public void testConstructor17() {
871	+	try {
872	+	new ThreadPoolExecutor(1, -1,
873	+	LONG_DELAY_MS, MILLISECONDS,
874	+	new ArrayBlockingQueue<Runnable>(10),
875	+	new SimpleThreadFactory(),
876	+	new NoOpREHandler());
877	+	shouldThrow();
878	+	} catch (IllegalArgumentException success) {}
879	+	}
880	+
881	+	/**
882	+	* Constructor throws if maximumPoolSize is equal to zero
883	+	*/
884	+	public void testConstructor18() {
885	+	try {
886	+	new ThreadPoolExecutor(1, 0,
887	+	LONG_DELAY_MS, MILLISECONDS,
888	+	new ArrayBlockingQueue<Runnable>(10),
889	+	new SimpleThreadFactory(),
890	+	new NoOpREHandler());
891	+	shouldThrow();
892	+	} catch (IllegalArgumentException success) {}
893	+	}
894	+
895	+	/**
896	+	* Constructor throws if keepAliveTime is less than zero
897	+	*/
898	+	public void testConstructor19() {
899	+	try {
900	+	new ThreadPoolExecutor(1, 2,
901	+	-1L, MILLISECONDS,
902	+	new ArrayBlockingQueue<Runnable>(10),
903	+	new SimpleThreadFactory(),
904	+	new NoOpREHandler());
905	+	shouldThrow();
906	+	} catch (IllegalArgumentException success) {}
907	+	}
908	+
909	+	/**
910	+	* Constructor throws if corePoolSize is greater than the maximumPoolSize
911	+	*/
912	+	public void testConstructor20() {
913	+	try {
914	+	new ThreadPoolExecutor(2, 1,
915	+	LONG_DELAY_MS, MILLISECONDS,
916	+	new ArrayBlockingQueue<Runnable>(10),
917	+	new SimpleThreadFactory(),
918	+	new NoOpREHandler());
919	+	shouldThrow();
920	+	} catch (IllegalArgumentException success) {}
921	+	}
922	+
923	+	/**
924	+	* Constructor throws if workQueue is null
925	+	*/
926	+	public void testConstructorNullPointerException6() {
927	+	try {
928	+	new ThreadPoolExecutor(1, 2,
929	+	LONG_DELAY_MS, MILLISECONDS,
930	+	(BlockingQueue) null,
931	+	new SimpleThreadFactory(),
932	+	new NoOpREHandler());
933	+	shouldThrow();
934	+	} catch (NullPointerException success) {}
935	+	}
936	+
937	+	/**
938	+	* Constructor throws if handler is null
939	+	*/
940	+	public void testConstructorNullPointerException7() {
941	+	try {
942	+	new ThreadPoolExecutor(1, 2,
943	+	LONG_DELAY_MS, MILLISECONDS,
944	+	new ArrayBlockingQueue<Runnable>(10),
945	+	new SimpleThreadFactory(),
946	+	(RejectedExecutionHandler) null);
947	+	shouldThrow();
948	+	} catch (NullPointerException success) {}
949	+	}
950	+
951	+	/**
952	+	* Constructor throws if ThreadFactory is null
953	+	*/
954	+	public void testConstructorNullPointerException8() {
955	+	try {
956	+	new ThreadPoolExecutor(1, 2,
957	+	LONG_DELAY_MS, MILLISECONDS,
958	+	new ArrayBlockingQueue<Runnable>(10),
959	+	(ThreadFactory) null,
960	+	new NoOpREHandler());
961	+	shouldThrow();
962	+	} catch (NullPointerException success) {}
963	+	}
964	+
965	+	/**
966	+	* get of submitted callable throws InterruptedException if interrupted
967	+	*/
968	+	public void testInterruptedSubmit() throws InterruptedException {
969	+	final ThreadPoolExecutor p =
970	+	new ThreadPoolExecutor(1, 1,
971	+	60, TimeUnit.SECONDS,
972	+	new ArrayBlockingQueue<Runnable>(10));
973	+
974	+	final CountDownLatch threadStarted = new CountDownLatch(1);
975	+	final CountDownLatch done = new CountDownLatch(1);
976	+	try {
977	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
978	+	public void realRun() throws Exception {
979	+	Callable task = new CheckedCallable<Boolean>() {
980	+	public Boolean realCall() throws InterruptedException {
981	+	threadStarted.countDown();
982	+	done.await();
983	+	return Boolean.TRUE;
984	+	}};
985	+	p.submit(task).get();
986	+	}});
987	+
988	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
989	+	t.interrupt();
990	+	awaitTermination(t, MEDIUM_DELAY_MS);
991	+	} finally {
992	+	done.countDown();
993	+	joinPool(p);
994	+	}
995	+	}
996	+
997	+	/**
998	+	* execute throws RejectedExecutionException if saturated.
999	+	*/
1000	+	public void testSaturatedExecute() {
1001	+	ThreadPoolExecutor p =
1002	+	new ThreadPoolExecutor(1, 1,
1003	+	LONG_DELAY_MS, MILLISECONDS,
1004	+	new ArrayBlockingQueue<Runnable>(1));
1005	+	final CountDownLatch done = new CountDownLatch(1);
1006	+	try {
1007	+	Runnable task = new CheckedRunnable() {
1008	+	public void realRun() throws InterruptedException {
1009	+	done.await();
1010	+	}};
1011	+	for (int i = 0; i < 2; ++i)
1012	+	p.execute(task);
1013	+	for (int i = 0; i < 2; ++i) {
1014	+	try {
1015	+	p.execute(task);
1016	+	shouldThrow();
1017	+	} catch (RejectedExecutionException success) {}
1018	+	assertTrue(p.getTaskCount() <= 2);
1019	+	}
1020	+	} finally {
1021	+	done.countDown();
1022	+	joinPool(p);
1023	+	}
1024	+	}
1025	+
1026	+	/**
1027	+	* submit(runnable) throws RejectedExecutionException if saturated.
1028	+	*/
1029	+	public void testSaturatedSubmitRunnable() {
1030	+	ThreadPoolExecutor p =
1031	+	new ThreadPoolExecutor(1, 1,
1032	+	LONG_DELAY_MS, MILLISECONDS,
1033	+	new ArrayBlockingQueue<Runnable>(1));
1034	+	final CountDownLatch done = new CountDownLatch(1);
1035	+	try {
1036	+	Runnable task = new CheckedRunnable() {
1037	+	public void realRun() throws InterruptedException {
1038	+	done.await();
1039	+	}};
1040	+	for (int i = 0; i < 2; ++i)
1041	+	p.submit(task);
1042	+	for (int i = 0; i < 2; ++i) {
1043	+	try {
1044	+	p.execute(task);
1045	+	shouldThrow();
1046	+	} catch (RejectedExecutionException success) {}
1047	+	assertTrue(p.getTaskCount() <= 2);
1048	+	}
1049	+	} finally {
1050	+	done.countDown();
1051	+	joinPool(p);
1052	+	}
1053	+	}
1054	+
1055	+	/**
1056	+	* submit(callable) throws RejectedExecutionException if saturated.
1057	+	*/
1058	+	public void testSaturatedSubmitCallable() {
1059	+	ThreadPoolExecutor p =
1060	+	new ThreadPoolExecutor(1, 1,
1061	+	LONG_DELAY_MS, MILLISECONDS,
1062	+	new ArrayBlockingQueue<Runnable>(1));
1063	+	final CountDownLatch done = new CountDownLatch(1);
1064	+	try {
1065	+	Runnable task = new CheckedRunnable() {
1066	+	public void realRun() throws InterruptedException {
1067	+	done.await();
1068	+	}};
1069	+	for (int i = 0; i < 2; ++i)
1070	+	p.submit(Executors.callable(task));
1071	+	for (int i = 0; i < 2; ++i) {
1072	+	try {
1073	+	p.execute(task);
1074	+	shouldThrow();
1075	+	} catch (RejectedExecutionException success) {}
1076	+	assertTrue(p.getTaskCount() <= 2);
1077	+	}
1078	+	} finally {
1079	+	done.countDown();
1080	+	joinPool(p);
1081	+	}
1082	+	}
1083	+
1084	+	/**
1085	+	* executor using CallerRunsPolicy runs task if saturated.
1086	+	*/
1087	+	public void testSaturatedExecute2() {
1088	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1089	+	final ThreadPoolExecutor p =
1090	+	new ThreadPoolExecutor(1, 1,
1091	+	LONG_DELAY_MS,
1092	+	MILLISECONDS,
1093	+	new ArrayBlockingQueue<Runnable>(1),
1094	+	h);
1095	+	try {
1096	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1097	+	for (int i = 0; i < tasks.length; ++i)
1098	+	tasks[i] = new TrackedNoOpRunnable();
1099	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1100	+	p.execute(mr);
1101	+	for (int i = 0; i < tasks.length; ++i)
1102	+	p.execute(tasks[i]);
1103	+	for (int i = 1; i < tasks.length; ++i)
1104	+	assertTrue(tasks[i].done);
1105	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1106	+	} finally {
1107	+	joinPool(p);
1108	+	}
1109	+	}
1110	+
1111	+	/**
1112	+	* executor using DiscardPolicy drops task if saturated.
1113	+	*/
1114	+	public void testSaturatedExecute3() {
1115	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1116	+	final ThreadPoolExecutor p =
1117	+	new ThreadPoolExecutor(1, 1,
1118	+	LONG_DELAY_MS, MILLISECONDS,
1119	+	new ArrayBlockingQueue<Runnable>(1),
1120	+	h);
1121	+	try {
1122	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1123	+	for (int i = 0; i < tasks.length; ++i)
1124	+	tasks[i] = new TrackedNoOpRunnable();
1125	+	p.execute(new TrackedLongRunnable());
1126	+	for (TrackedNoOpRunnable task : tasks)
1127	+	p.execute(task);
1128	+	for (TrackedNoOpRunnable task : tasks)
1129	+	assertFalse(task.done);
1130	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1131	+	} finally {
1132	+	joinPool(p);
1133		}
456	–	catch (IllegalArgumentException success){}
1134		}
1135
1136	<	/**
1137	<	* Constructor throws if workQueue is set to null
1136	>	/**
1137	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1138	>	*/
1139	>	public void testSaturatedExecute4() {
1140	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1141	>	final ThreadPoolExecutor p =
1142	>	new ThreadPoolExecutor(1, 1,
1143	>	LONG_DELAY_MS, MILLISECONDS,
1144	>	new ArrayBlockingQueue<Runnable>(1),
1145	>	h);
1146	>	try {
1147	>	p.execute(new TrackedLongRunnable());
1148	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1149	>	p.execute(r2);
1150	>	assertTrue(p.getQueue().contains(r2));
1151	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1152	>	p.execute(r3);
1153	>	assertFalse(p.getQueue().contains(r2));
1154	>	assertTrue(p.getQueue().contains(r3));
1155	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156	>	} finally {
1157	>	joinPool(p);
1158	>	}
1159	>	}
1160	>
1161	>	/**
1162	>	* execute throws RejectedExecutionException if shutdown
1163		*/
1164	<	public void testNullPointerException4() {
1164	>	public void testRejectedExecutionExceptionOnShutdown() {
1165	>	ThreadPoolExecutor p =
1166	>	new ThreadPoolExecutor(1, 1,
1167	>	LONG_DELAY_MS, MILLISECONDS,
1168	>	new ArrayBlockingQueue<Runnable>(1));
1169	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1170		try {
1171	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1171	>	p.execute(new NoOpRunnable());
1172		shouldThrow();
1173	+	} catch (RejectedExecutionException success) {}
1174	+
1175	+	joinPool(p);
1176	+	}
1177	+
1178	+	/**
1179	+	* execute using CallerRunsPolicy drops task on shutdown
1180	+	*/
1181	+	public void testCallerRunsOnShutdown() {
1182	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1183	+	final ThreadPoolExecutor p =
1184	+	new ThreadPoolExecutor(1, 1,
1185	+	LONG_DELAY_MS, MILLISECONDS,
1186	+	new ArrayBlockingQueue<Runnable>(1), h);
1187	+
1188	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1189	+	try {
1190	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1191	+	p.execute(r);
1192	+	assertFalse(r.done);
1193	+	} finally {
1194	+	joinPool(p);
1195	+	}
1196	+	}
1197	+
1198	+	/**
1199	+	* execute using DiscardPolicy drops task on shutdown
1200	+	*/
1201	+	public void testDiscardOnShutdown() {
1202	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1203	+	ThreadPoolExecutor p =
1204	+	new ThreadPoolExecutor(1, 1,
1205	+	LONG_DELAY_MS, MILLISECONDS,
1206	+	new ArrayBlockingQueue<Runnable>(1),
1207	+	h);
1208	+
1209	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1210	+	try {
1211	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1212	+	p.execute(r);
1213	+	assertFalse(r.done);
1214	+	} finally {
1215	+	joinPool(p);
1216	+	}
1217	+	}
1218	+
1219	+	/**
1220	+	* execute using DiscardOldestPolicy drops task on shutdown
1221	+	*/
1222	+	public void testDiscardOldestOnShutdown() {
1223	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1224	+	ThreadPoolExecutor p =
1225	+	new ThreadPoolExecutor(1, 1,
1226	+	LONG_DELAY_MS, MILLISECONDS,
1227	+	new ArrayBlockingQueue<Runnable>(1),
1228	+	h);
1229	+
1230	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1231	+	try {
1232	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1233	+	p.execute(r);
1234	+	assertFalse(r.done);
1235	+	} finally {
1236	+	joinPool(p);
1237		}
467	–	catch (NullPointerException success){}
1238		}
1239
1240	<	/**
1241	<	* Constructor throws if handler is set to null
1240	>	/**
1241	>	* execute(null) throws NPE
1242		*/
1243	<	public void testNullPointerException5() {
1243	>	public void testExecuteNull() {
1244	>	ThreadPoolExecutor p =
1245	>	new ThreadPoolExecutor(1, 2,
1246	>	LONG_DELAY_MS, MILLISECONDS,
1247	>	new ArrayBlockingQueue<Runnable>(10));
1248		try {
1249	<	RejectedExecutionHandler r = null;
476	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1249	>	p.execute(null);
1250		shouldThrow();
1251	+	} catch (NullPointerException success) {}
1252	+
1253	+	joinPool(p);
1254	+	}
1255	+
1256	+	/**
1257	+	* setCorePoolSize of negative value throws IllegalArgumentException
1258	+	*/
1259	+	public void testCorePoolSizeIllegalArgumentException() {
1260	+	ThreadPoolExecutor p =
1261	+	new ThreadPoolExecutor(1, 2,
1262	+	LONG_DELAY_MS, MILLISECONDS,
1263	+	new ArrayBlockingQueue<Runnable>(10));
1264	+	try {
1265	+	p.setCorePoolSize(-1);
1266	+	shouldThrow();
1267	+	} catch (IllegalArgumentException success) {
1268	+	} finally {
1269	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1270		}
1271	<	catch (NullPointerException success){}
1271	>	joinPool(p);
1272		}
1273
1274	<
1275	<	/**
1276	<	* Constructor throws if corePoolSize argument is less than zero
1274	>	/**
1275	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1276	>	* given a value less the core pool size
1277		*/
1278	<	public void testConstructor16() {
1278	>	public void testMaximumPoolSizeIllegalArgumentException() {
1279	>	ThreadPoolExecutor p =
1280	>	new ThreadPoolExecutor(2, 3,
1281	>	LONG_DELAY_MS, MILLISECONDS,
1282	>	new ArrayBlockingQueue<Runnable>(10));
1283		try {
1284	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1284	>	p.setMaximumPoolSize(1);
1285		shouldThrow();
1286	+	} catch (IllegalArgumentException success) {
1287	+	} finally {
1288	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1289		}
1290	<	catch (IllegalArgumentException success){}
1290	>	joinPool(p);
1291		}
1292
1293	<	/**
1294	<	* Constructor throws if maximumPoolSize is less than zero
1293	>	/**
1294	>	* setMaximumPoolSize throws IllegalArgumentException
1295	>	* if given a negative value
1296		*/
1297	<	public void testConstructor17() {
1297	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1298	>	ThreadPoolExecutor p =
1299	>	new ThreadPoolExecutor(2, 3,
1300	>	LONG_DELAY_MS, MILLISECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302		try {
1303	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1303	>	p.setMaximumPoolSize(-1);
1304		shouldThrow();
1305	+	} catch (IllegalArgumentException success) {
1306	+	} finally {
1307	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1308		}
1309	<	catch (IllegalArgumentException success){}
1309	>	joinPool(p);
1310		}
1311
1312	<	/**
1313	<	* Constructor throws if maximumPoolSize is equal to zero
1312	>	/**
1313	>	* setKeepAliveTime throws IllegalArgumentException
1314	>	* when given a negative value
1315		*/
1316	<	public void testConstructor18() {
1316	>	public void testKeepAliveTimeIllegalArgumentException() {
1317	>	ThreadPoolExecutor p =
1318	>	new ThreadPoolExecutor(2, 3,
1319	>	LONG_DELAY_MS, MILLISECONDS,
1320	>	new ArrayBlockingQueue<Runnable>(10));
1321		try {
1322	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1322	>	p.setKeepAliveTime(-1,MILLISECONDS);
1323		shouldThrow();
1324	+	} catch (IllegalArgumentException success) {
1325	+	} finally {
1326	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1327		}
1328	<	catch (IllegalArgumentException success){}
1328	>	joinPool(p);
1329		}
1330
1331	<	/**
1332	<	* Constructor throws if keepAliveTime is less than zero
1331	>	/**
1332	>	* terminated() is called on termination
1333		*/
1334	<	public void testConstructor19() {
1334	>	public void testTerminated() {
1335	>	ExtendedTPE p = new ExtendedTPE();
1336	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1337	>	assertTrue(p.terminatedCalled());
1338	>	joinPool(p);
1339	>	}
1340	>
1341	>	/**
1342	>	* beforeExecute and afterExecute are called when executing task
1343	>	*/
1344	>	public void testBeforeAfter() throws InterruptedException {
1345	>	ExtendedTPE p = new ExtendedTPE();
1346		try {
1347	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1347	>	final CountDownLatch done = new CountDownLatch(1);
1348	>	final CheckedRunnable task = new CheckedRunnable() {
1349	>	public void realRun() {
1350	>	done.countDown();
1351	>	}};
1352	>	p.execute(task);
1353	>	await(p.afterCalled);
1354	>	assertEquals(0, done.getCount());
1355	>	assertTrue(p.afterCalled());
1356	>	assertTrue(p.beforeCalled());
1357	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1358	>	} finally {
1359	>	joinPool(p);
1360	>	}
1361	>	}
1362	>
1363	>	/**
1364	>	* completed submit of callable returns result
1365	>	*/
1366	>	public void testSubmitCallable() throws Exception {
1367	>	ExecutorService e =
1368	>	new ThreadPoolExecutor(2, 2,
1369	>	LONG_DELAY_MS, MILLISECONDS,
1370	>	new ArrayBlockingQueue<Runnable>(10));
1371	>	try {
1372	>	Future<String> future = e.submit(new StringTask());
1373	>	String result = future.get();
1374	>	assertSame(TEST_STRING, result);
1375	>	} finally {
1376	>	joinPool(e);
1377	>	}
1378	>	}
1379	>
1380	>	/**
1381	>	* completed submit of runnable returns successfully
1382	>	*/
1383	>	public void testSubmitRunnable() throws Exception {
1384	>	ExecutorService e =
1385	>	new ThreadPoolExecutor(2, 2,
1386	>	LONG_DELAY_MS, MILLISECONDS,
1387	>	new ArrayBlockingQueue<Runnable>(10));
1388	>	try {
1389	>	Future<?> future = e.submit(new NoOpRunnable());
1390	>	future.get();
1391	>	assertTrue(future.isDone());
1392	>	} finally {
1393	>	joinPool(e);
1394	>	}
1395	>	}
1396	>
1397	>	/**
1398	>	* completed submit of (runnable, result) returns result
1399	>	*/
1400	>	public void testSubmitRunnable2() throws Exception {
1401	>	ExecutorService e =
1402	>	new ThreadPoolExecutor(2, 2,
1403	>	LONG_DELAY_MS, MILLISECONDS,
1404	>	new ArrayBlockingQueue<Runnable>(10));
1405	>	try {
1406	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1407	>	String result = future.get();
1408	>	assertSame(TEST_STRING, result);
1409	>	} finally {
1410	>	joinPool(e);
1411	>	}
1412	>	}
1413	>
1414	>	/**
1415	>	* invokeAny(null) throws NPE
1416	>	*/
1417	>	public void testInvokeAny1() throws Exception {
1418	>	ExecutorService e =
1419	>	new ThreadPoolExecutor(2, 2,
1420	>	LONG_DELAY_MS, MILLISECONDS,
1421	>	new ArrayBlockingQueue<Runnable>(10));
1422	>	try {
1423	>	e.invokeAny(null);
1424		shouldThrow();
1425	+	} catch (NullPointerException success) {
1426	+	} finally {
1427	+	joinPool(e);
1428		}
524	–	catch (IllegalArgumentException success){}
1429		}
1430
1431	<	/**
1432	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1431	>	/**
1432	>	* invokeAny(empty collection) throws IAE
1433		*/
1434	<	public void testConstructor20() {
1434	>	public void testInvokeAny2() throws Exception {
1435	>	ExecutorService e =
1436	>	new ThreadPoolExecutor(2, 2,
1437	>	LONG_DELAY_MS, MILLISECONDS,
1438	>	new ArrayBlockingQueue<Runnable>(10));
1439		try {
1440	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1440	>	e.invokeAny(new ArrayList<Callable<String>>());
1441		shouldThrow();
1442	+	} catch (IllegalArgumentException success) {
1443	+	} finally {
1444	+	joinPool(e);
1445		}
535	–	catch (IllegalArgumentException success){}
1446		}
1447
1448	<	/**
1449	<	* Constructor throws if workQueue is set to null
1448	>	/**
1449	>	* invokeAny(c) throws NPE if c has null elements
1450		*/
1451	<	public void testNullPointerException6() {
1451	>	public void testInvokeAny3() throws Exception {
1452	>	final CountDownLatch latch = new CountDownLatch(1);
1453	>	final ExecutorService e =
1454	>	new ThreadPoolExecutor(2, 2,
1455	>	LONG_DELAY_MS, MILLISECONDS,
1456	>	new ArrayBlockingQueue<Runnable>(10));
1457	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1458	>	l.add(latchAwaitingStringTask(latch));
1459	>	l.add(null);
1460		try {
1461	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1461	>	e.invokeAny(l);
1462		shouldThrow();
1463	+	} catch (NullPointerException success) {
1464	+	} finally {
1465	+	latch.countDown();
1466	+	joinPool(e);
1467		}
546	–	catch (NullPointerException success){}
1468		}
1469
1470	<	/**
1471	<	* Constructor throws if handler is set to null
1470	>	/**
1471	>	* invokeAny(c) throws ExecutionException if no task completes
1472		*/
1473	<	public void testNullPointerException7() {
1473	>	public void testInvokeAny4() throws Exception {
1474	>	ExecutorService e =
1475	>	new ThreadPoolExecutor(2, 2,
1476	>	LONG_DELAY_MS, MILLISECONDS,
1477	>	new ArrayBlockingQueue<Runnable>(10));
1478	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1479	>	l.add(new NPETask());
1480		try {
1481	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1481	>	e.invokeAny(l);
1482		shouldThrow();
1483	+	} catch (ExecutionException success) {
1484	+	assertTrue(success.getCause() instanceof NullPointerException);
1485	+	} finally {
1486	+	joinPool(e);
1487		}
558	–	catch (NullPointerException success){}
1488		}
1489
1490	<	/**
1491	<	* Constructor throws if ThreadFactory is set top null
1490	>	/**
1491	>	* invokeAny(c) returns result of some task
1492		*/
1493	<	public void testNullPointerException8() {
1493	>	public void testInvokeAny5() throws Exception {
1494	>	ExecutorService e =
1495	>	new ThreadPoolExecutor(2, 2,
1496	>	LONG_DELAY_MS, MILLISECONDS,
1497	>	new ArrayBlockingQueue<Runnable>(10));
1498		try {
1499	<	ThreadFactory f = null;
1500	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1499	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1500	>	l.add(new StringTask());
1501	>	l.add(new StringTask());
1502	>	String result = e.invokeAny(l);
1503	>	assertSame(TEST_STRING, result);
1504	>	} finally {
1505	>	joinPool(e);
1506	>	}
1507	>	}
1508	>
1509	>	/**
1510	>	* invokeAll(null) throws NPE
1511	>	*/
1512	>	public void testInvokeAll1() throws Exception {
1513	>	ExecutorService e =
1514	>	new ThreadPoolExecutor(2, 2,
1515	>	LONG_DELAY_MS, MILLISECONDS,
1516	>	new ArrayBlockingQueue<Runnable>(10));
1517	>	try {
1518	>	e.invokeAll(null);
1519		shouldThrow();
1520	+	} catch (NullPointerException success) {
1521	+	} finally {
1522	+	joinPool(e);
1523		}
570	–	catch (NullPointerException successdn8){}
1524		}
572	–
1525
1526		/**
1527	<	*  execute throws RejectedExecutionException if shutdown
1527	>	* invokeAll(empty collection) returns empty collection
1528		*/
1529	<	public void testRejectedExecutionException() {
1530	<	ThreadPoolExecutor tpe = null;
1529	>	public void testInvokeAll2() throws InterruptedException {
1530	>	ExecutorService e =
1531	>	new ThreadPoolExecutor(2, 2,
1532	>	LONG_DELAY_MS, MILLISECONDS,
1533	>	new ArrayBlockingQueue<Runnable>(10));
1534		try {
1535	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1536	<	} catch(Exception e){}
1537	<	tpe.shutdown();
1538	<	try {
1539	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1535	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1536	>	assertTrue(r.isEmpty());
1537	>	} finally {
1538	>	joinPool(e);
1539	>	}
1540		}
1541
1542		/**
1543	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1543	>	* invokeAll(c) throws NPE if c has null elements
1544		*/
1545	<	public void testSaturatedExecute() {
1546	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1545	>	public void testInvokeAll3() throws Exception {
1546	>	ExecutorService e =
1547	>	new ThreadPoolExecutor(2, 2,
1548	>	LONG_DELAY_MS, MILLISECONDS,
1549	>	new ArrayBlockingQueue<Runnable>(10));
1550	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1551	>	l.add(new StringTask());
1552	>	l.add(null);
1553	>	try {
1554	>	e.invokeAll(l);
1555	>	shouldThrow();
1556	>	} catch (NullPointerException success) {
1557	>	} finally {
1558	>	joinPool(e);
1559	>	}
1560	>	}
1561	>
1562	>	/**
1563	>	* get of element of invokeAll(c) throws exception on failed task
1564	>	*/
1565	>	public void testInvokeAll4() throws Exception {
1566	>	ExecutorService e =
1567	>	new ThreadPoolExecutor(2, 2,
1568	>	LONG_DELAY_MS, MILLISECONDS,
1569	>	new ArrayBlockingQueue<Runnable>(10));
1570		try {
1571	<
1572	<	for(int i = 0; i < 5; ++i){
1573	<	p.execute(new MediumRunnable());
1571	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1572	>	l.add(new NPETask());
1573	>	List<Future<String>> futures = e.invokeAll(l);
1574	>	assertEquals(1, futures.size());
1575	>	try {
1576	>	futures.get(0).get();
1577	>	shouldThrow();
1578	>	} catch (ExecutionException success) {
1579	>	assertTrue(success.getCause() instanceof NullPointerException);
1580		}
1581	+	} finally {
1582	+	joinPool(e);
1583	+	}
1584	+	}
1585	+
1586	+	/**
1587	+	* invokeAll(c) returns results of all completed tasks
1588	+	*/
1589	+	public void testInvokeAll5() throws Exception {
1590	+	ExecutorService e =
1591	+	new ThreadPoolExecutor(2, 2,
1592	+	LONG_DELAY_MS, MILLISECONDS,
1593	+	new ArrayBlockingQueue<Runnable>(10));
1594	+	try {
1595	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1596	+	l.add(new StringTask());
1597	+	l.add(new StringTask());
1598	+	List<Future<String>> futures = e.invokeAll(l);
1599	+	assertEquals(2, futures.size());
1600	+	for (Future<String> future : futures)
1601	+	assertSame(TEST_STRING, future.get());
1602	+	} finally {
1603	+	joinPool(e);
1604	+	}
1605	+	}
1606	+
1607	+	/**
1608	+	* timed invokeAny(null) throws NPE
1609	+	*/
1610	+	public void testTimedInvokeAny1() throws Exception {
1611	+	ExecutorService e =
1612	+	new ThreadPoolExecutor(2, 2,
1613	+	LONG_DELAY_MS, MILLISECONDS,
1614	+	new ArrayBlockingQueue<Runnable>(10));
1615	+	try {
1616	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1617		shouldThrow();
1618	<	} catch(RejectedExecutionException success){}
1619	<	joinPool(p);
1618	>	} catch (NullPointerException success) {
1619	>	} finally {
1620	>	joinPool(e);
1621	>	}
1622		}
1623
1624		/**
1625	<	*  execute (null) throws NPE
1625	>	* timed invokeAny(,,null) throws NPE
1626		*/
1627	<	public void testExecuteNull() {
1628	<	ThreadPoolExecutor tpe = null;
1627	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1628	>	ExecutorService e =
1629	>	new ThreadPoolExecutor(2, 2,
1630	>	LONG_DELAY_MS, MILLISECONDS,
1631	>	new ArrayBlockingQueue<Runnable>(10));
1632	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1633	>	l.add(new StringTask());
1634		try {
1635	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1635	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1636		shouldThrow();
1637	<	} catch(NullPointerException success){}
1638	<
1639	<	joinPool(tpe);
1637	>	} catch (NullPointerException success) {
1638	>	} finally {
1639	>	joinPool(e);
1640	>	}
1641		}
1642	<
1642	>
1643		/**
1644	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1644	>	* timed invokeAny(empty collection) throws IAE
1645		*/
1646	<	public void testCorePoolSizeIllegalArgumentException() {
1647	<	ThreadPoolExecutor tpe = null;
1648	<	try {
1649	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1650	<	} catch(Exception e){}
1651	<	try {
1652	<	tpe.setCorePoolSize(-1);
1653	<	shouldThrow();
1654	<	} catch(IllegalArgumentException success){
1655	<	} finally {
1656	<	tpe.shutdown();
1657	<	}
1658	<	joinPool(tpe);
1659	<	}
1660	<
1661	<	/**
1662	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
1663	<	*  given a value less the core pool size
1664	<	*/
1665	<	public void testMaximumPoolSizeIllegalArgumentException() {
1666	<	ThreadPoolExecutor tpe = null;
1646	>	public void testTimedInvokeAny2() throws Exception {
1647	>	ExecutorService e =
1648	>	new ThreadPoolExecutor(2, 2,
1649	>	LONG_DELAY_MS, MILLISECONDS,
1650	>	new ArrayBlockingQueue<Runnable>(10));
1651	>	try {
1652	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1653	>	shouldThrow();
1654	>	} catch (IllegalArgumentException success) {
1655	>	} finally {
1656	>	joinPool(e);
1657	>	}
1658	>	}
1659	>
1660	>	/**
1661	>	* timed invokeAny(c) throws NPE if c has null elements
1662	>	*/
1663	>	public void testTimedInvokeAny3() throws Exception {
1664	>	final CountDownLatch latch = new CountDownLatch(1);
1665	>	final ExecutorService e =
1666	>	new ThreadPoolExecutor(2, 2,
1667	>	LONG_DELAY_MS, MILLISECONDS,
1668	>	new ArrayBlockingQueue<Runnable>(10));
1669	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1670	>	l.add(latchAwaitingStringTask(latch));
1671	>	l.add(null);
1672		try {
1673	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1674	<	} catch(Exception e){}
1673	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1674	>	shouldThrow();
1675	>	} catch (NullPointerException success) {
1676	>	} finally {
1677	>	latch.countDown();
1678	>	joinPool(e);
1679	>	}
1680	>	}
1681	>
1682	>	/**
1683	>	* timed invokeAny(c) throws ExecutionException if no task completes
1684	>	*/
1685	>	public void testTimedInvokeAny4() throws Exception {
1686	>	ExecutorService e =
1687	>	new ThreadPoolExecutor(2, 2,
1688	>	LONG_DELAY_MS, MILLISECONDS,
1689	>	new ArrayBlockingQueue<Runnable>(10));
1690	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1691	>	l.add(new NPETask());
1692		try {
1693	<	tpe.setMaximumPoolSize(1);
1693	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1694		shouldThrow();
1695	<	} catch(IllegalArgumentException success){
1695	>	} catch (ExecutionException success) {
1696	>	assertTrue(success.getCause() instanceof NullPointerException);
1697		} finally {
1698	<	tpe.shutdown();
1698	>	joinPool(e);
1699		}
655	–	joinPool(tpe);
1700		}
1701	<
1701	>
1702		/**
1703	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1703	>	* timed invokeAny(c) returns result of some task
1704		*/
1705	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1706	<	ThreadPoolExecutor tpe = null;
1705	>	public void testTimedInvokeAny5() throws Exception {
1706	>	ExecutorService e =
1707	>	new ThreadPoolExecutor(2, 2,
1708	>	LONG_DELAY_MS, MILLISECONDS,
1709	>	new ArrayBlockingQueue<Runnable>(10));
1710		try {
1711	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1712	<	} catch(Exception e){}
1711	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1712	>	l.add(new StringTask());
1713	>	l.add(new StringTask());
1714	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1715	>	assertSame(TEST_STRING, result);
1716	>	} finally {
1717	>	joinPool(e);
1718	>	}
1719	>	}
1720	>
1721	>	/**
1722	>	* timed invokeAll(null) throws NPE
1723	>	*/
1724	>	public void testTimedInvokeAll1() 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.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1731		shouldThrow();
1732	<	} catch(IllegalArgumentException success){
1732	>	} catch (NullPointerException success) {
1733		} finally {
1734	<	tpe.shutdown();
1734	>	joinPool(e);
1735		}
674	–	joinPool(tpe);
1736		}
676	–
1737
1738		/**
1739	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1739	>	* timed invokeAll(,,null) throws NPE
1740		*/
1741	<	public void testKeepAliveTimeIllegalArgumentException() {
1742	<	ThreadPoolExecutor tpe = null;
1741	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1742	>	ExecutorService e =
1743	>	new ThreadPoolExecutor(2, 2,
1744	>	LONG_DELAY_MS, MILLISECONDS,
1745	>	new ArrayBlockingQueue<Runnable>(10));
1746	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1747	>	l.add(new StringTask());
1748		try {
1749	<	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);
1749	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1750		shouldThrow();
1751	<	} catch(IllegalArgumentException success){
1751	>	} catch (NullPointerException success) {
1752		} finally {
1753	<	tpe.shutdown();
1753	>	joinPool(e);
1754		}
695	–	joinPool(tpe);
1755		}
1756	<
1756	>
1757	>	/**
1758	>	* timed invokeAll(empty collection) returns empty collection
1759	>	*/
1760	>	public void testTimedInvokeAll2() throws InterruptedException {
1761	>	ExecutorService e =
1762	>	new ThreadPoolExecutor(2, 2,
1763	>	LONG_DELAY_MS, MILLISECONDS,
1764	>	new ArrayBlockingQueue<Runnable>(10));
1765	>	try {
1766	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1767	>	assertTrue(r.isEmpty());
1768	>	} finally {
1769	>	joinPool(e);
1770	>	}
1771	>	}
1772	>
1773	>	/**
1774	>	* timed invokeAll(c) throws NPE if c has null elements
1775	>	*/
1776	>	public void testTimedInvokeAll3() throws Exception {
1777	>	ExecutorService e =
1778	>	new ThreadPoolExecutor(2, 2,
1779	>	LONG_DELAY_MS, MILLISECONDS,
1780	>	new ArrayBlockingQueue<Runnable>(10));
1781	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1782	>	l.add(new StringTask());
1783	>	l.add(null);
1784	>	try {
1785	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1786	>	shouldThrow();
1787	>	} catch (NullPointerException success) {
1788	>	} finally {
1789	>	joinPool(e);
1790	>	}
1791	>	}
1792	>
1793	>	/**
1794	>	* get of element of invokeAll(c) throws exception on failed task
1795	>	*/
1796	>	public void testTimedInvokeAll4() throws Exception {
1797	>	ExecutorService e =
1798	>	new ThreadPoolExecutor(2, 2,
1799	>	LONG_DELAY_MS, MILLISECONDS,
1800	>	new ArrayBlockingQueue<Runnable>(10));
1801	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1802	>	l.add(new NPETask());
1803	>	List<Future<String>> futures =
1804	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1805	>	assertEquals(1, futures.size());
1806	>	try {
1807	>	futures.get(0).get();
1808	>	shouldThrow();
1809	>	} catch (ExecutionException success) {
1810	>	assertTrue(success.getCause() instanceof NullPointerException);
1811	>	} finally {
1812	>	joinPool(e);
1813	>	}
1814	>	}
1815	>
1816	>	/**
1817	>	* timed invokeAll(c) returns results of all completed tasks
1818	>	*/
1819	>	public void testTimedInvokeAll5() throws Exception {
1820	>	ExecutorService e =
1821	>	new ThreadPoolExecutor(2, 2,
1822	>	LONG_DELAY_MS, MILLISECONDS,
1823	>	new ArrayBlockingQueue<Runnable>(10));
1824	>	try {
1825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1826	>	l.add(new StringTask());
1827	>	l.add(new StringTask());
1828	>	List<Future<String>> futures =
1829	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1830	>	assertEquals(2, futures.size());
1831	>	for (Future<String> future : futures)
1832	>	assertSame(TEST_STRING, future.get());
1833	>	} finally {
1834	>	joinPool(e);
1835	>	}
1836	>	}
1837	>
1838	>	/**
1839	>	* timed invokeAll(c) cancels tasks not completed by timeout
1840	>	*/
1841	>	public void testTimedInvokeAll6() throws Exception {
1842	>	ExecutorService e =
1843	>	new ThreadPoolExecutor(2, 2,
1844	>	LONG_DELAY_MS, MILLISECONDS,
1845	>	new ArrayBlockingQueue<Runnable>(10));
1846	>	try {
1847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1848	>	l.add(new StringTask());
1849	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1850	>	l.add(new StringTask());
1851	>	List<Future<String>> futures =
1852	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1853	>	assertEquals(l.size(), futures.size());
1854	>	for (Future future : futures)
1855	>	assertTrue(future.isDone());
1856	>	assertFalse(futures.get(0).isCancelled());
1857	>	assertTrue(futures.get(1).isCancelled());
1858	>	} finally {
1859	>	joinPool(e);
1860	>	}
1861	>	}
1862	>
1863	>	/**
1864	>	* Execution continues if there is at least one thread even if
1865	>	* thread factory fails to create more
1866	>	*/
1867	>	public void testFailingThreadFactory() throws InterruptedException {
1868	>	final ExecutorService e =
1869	>	new ThreadPoolExecutor(100, 100,
1870	>	LONG_DELAY_MS, MILLISECONDS,
1871	>	new LinkedBlockingQueue<Runnable>(),
1872	>	new FailingThreadFactory());
1873	>	try {
1874	>	final int TASKS = 100;
1875	>	final CountDownLatch done = new CountDownLatch(TASKS);
1876	>	for (int k = 0; k < TASKS; ++k)
1877	>	e.execute(new CheckedRunnable() {
1878	>	public void realRun() {
1879	>	done.countDown();
1880	>	}});
1881	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1882	>	} finally {
1883	>	joinPool(e);
1884	>	}
1885	>	}
1886	>
1887	>	/**
1888	>	* allowsCoreThreadTimeOut is by default false.
1889	>	*/
1890	>	public void testAllowsCoreThreadTimeOut() {
1891	>	final ThreadPoolExecutor p =
1892	>	new ThreadPoolExecutor(2, 2,
1893	>	1000, MILLISECONDS,
1894	>	new ArrayBlockingQueue<Runnable>(10));
1895	>	assertFalse(p.allowsCoreThreadTimeOut());
1896	>	joinPool(p);
1897	>	}
1898	>
1899	>	/**
1900	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1901	>	*/
1902	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1903	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1904	>	final ThreadPoolExecutor p =
1905	>	new ThreadPoolExecutor(2, 10,
1906	>	coreThreadTimeOut, MILLISECONDS,
1907	>	new ArrayBlockingQueue<Runnable>(10));
1908	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1909	>	try {
1910	>	p.allowCoreThreadTimeOut(true);
1911	>	p.execute(new CheckedRunnable() {
1912	>	public void realRun() {
1913	>	threadStarted.countDown();
1914	>	assertEquals(1, p.getPoolSize());
1915	>	}});
1916	>	await(threadStarted);
1917	>	delay(coreThreadTimeOut);
1918	>	long startTime = System.nanoTime();
1919	>	while (p.getPoolSize() > 0
1920	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1921	>	Thread.yield();
1922	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1923	>	assertEquals(0, p.getPoolSize());
1924	>	} finally {
1925	>	joinPool(p);
1926	>	}
1927	>	}
1928	>
1929	>	/**
1930	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1931	>	*/
1932	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1933	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1934	>	final ThreadPoolExecutor p =
1935	>	new ThreadPoolExecutor(2, 10,
1936	>	coreThreadTimeOut, MILLISECONDS,
1937	>	new ArrayBlockingQueue<Runnable>(10));
1938	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1939	>	try {
1940	>	p.allowCoreThreadTimeOut(false);
1941	>	p.execute(new CheckedRunnable() {
1942	>	public void realRun() throws InterruptedException {
1943	>	threadStarted.countDown();
1944	>	assertTrue(p.getPoolSize() >= 1);
1945	>	}});
1946	>	delay(2 * coreThreadTimeOut);
1947	>	assertTrue(p.getPoolSize() >= 1);
1948	>	} finally {
1949	>	joinPool(p);
1950	>	}
1951	>	}
1952	>
1953	>	/**
1954	>	* execute allows the same task to be submitted multiple times, even
1955	>	* if rejected
1956	>	*/
1957	>	public void testRejectedRecycledTask() throws InterruptedException {
1958	>	final int nTasks = 1000;
1959	>	final CountDownLatch done = new CountDownLatch(nTasks);
1960	>	final Runnable recycledTask = new Runnable() {
1961	>	public void run() {
1962	>	done.countDown();
1963	>	}};
1964	>	final ThreadPoolExecutor p =
1965	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1966	>	new ArrayBlockingQueue(30));
1967	>	try {
1968	>	for (int i = 0; i < nTasks; ++i) {
1969	>	for (;;) {
1970	>	try {
1971	>	p.execute(recycledTask);
1972	>	break;
1973	>	}
1974	>	catch (RejectedExecutionException ignore) {}
1975	>	}
1976	>	}
1977	>	// enough time to run all tasks
1978	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
1979	>	} finally {
1980	>	joinPool(p);
1981	>	}
1982	>	}
1983	>
1984		}

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