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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 1.41 by dl, Fri May 6 11:22:08 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	>	volatile boolean beforeCalled = false;
25	>	volatile boolean afterCalled = false;
26	>	volatile boolean terminatedCalled = false;
27	>	public ExtendedTPE() {
28	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
29	>	}
30	>	protected void beforeExecute(Thread t, Runnable r) {
31	>	beforeCalled = true;
32	>	}
33	>	protected void afterExecute(Runnable r, Throwable t) {
34	>	afterCalled = true;
35	>	}
36	>	protected void terminated() {
37	>	terminatedCalled = true;
38	>	}
39	>	}
40	>
41	>	static class FailingThreadFactory implements ThreadFactory {
42	>	int calls = 0;
43	>	public Thread newThread(Runnable r) {
44	>	if (++calls > 1) return null;
45	>	return new Thread(r);
46	>	}
47	>	}
48	>
49	>
50		/**
51	<	* For use as ThreadFactory in constructors
51	>	* execute successfully executes a runnable
52		*/
53	<	static class MyThreadFactory implements ThreadFactory{
54	<	public Thread newThread(Runnable r){
55	<	return new Thread(r);
56	<	}
53	>	public void testExecute() throws InterruptedException {
54	>	final ThreadPoolExecutor p =
55	>	new ThreadPoolExecutor(1, 1,
56	>	LONG_DELAY_MS, MILLISECONDS,
57	>	new ArrayBlockingQueue<Runnable>(10));
58	>	final CountDownLatch done = new CountDownLatch(1);
59	>	final Runnable task = new CheckedRunnable() {
60	>	public void realRun() {
61	>	done.countDown();
62	>	}};
63	>	try {
64	>	p.execute(task);
65	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
66	>	} finally {
67	>	joinPool(p);
68	>	}
69		}
70
71		/**
72	<	* For use as RejectedExecutionHandler in constructors
72	>	* getActiveCount increases but doesn't overestimate, when a
73	>	* thread becomes active
74		*/
75	<	static class MyREHandler implements RejectedExecutionHandler{
76	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
75	>	public void testGetActiveCount() throws InterruptedException {
76	>	final ThreadPoolExecutor p =
77	>	new ThreadPoolExecutor(2, 2,
78	>	LONG_DELAY_MS, MILLISECONDS,
79	>	new ArrayBlockingQueue<Runnable>(10));
80	>	final CountDownLatch threadStarted = new CountDownLatch(1);
81	>	final CountDownLatch done = new CountDownLatch(1);
82	>	try {
83	>	assertEquals(0, p.getActiveCount());
84	>	p.execute(new CheckedRunnable() {
85	>	public void realRun() throws InterruptedException {
86	>	threadStarted.countDown();
87	>	assertEquals(1, p.getActiveCount());
88	>	done.await();
89	>	}});
90	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
91	>	assertEquals(1, p.getActiveCount());
92	>	} finally {
93	>	done.countDown();
94	>	joinPool(p);
95	>	}
96		}
97	<
97	>
98		/**
99	<	*   execute successfully executes a runnable
99	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
100		*/
101	<	public void testExecute() {
102	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
103	<	try {
104	<	p1.execute(new Runnable() {
105	<	public void run() {
106	<	try {
107	<	Thread.sleep(SHORT_DELAY_MS);
108	<	} catch(InterruptedException e){
109	<	threadUnexpectedException();
110	<	}
111	<	}
112	<	});
113	<	Thread.sleep(SMALL_DELAY_MS);
52	<	} catch(InterruptedException e){
53	<	unexpectedException();
54	<	}
55	<	joinPool(p1);
101	>	public void testPrestartCoreThread() {
102	>	final ThreadPoolExecutor p =
103	>	new ThreadPoolExecutor(2, 2,
104	>	LONG_DELAY_MS, MILLISECONDS,
105	>	new ArrayBlockingQueue<Runnable>(10));
106	>	assertEquals(0, p.getPoolSize());
107	>	assertTrue(p.prestartCoreThread());
108	>	assertEquals(1, p.getPoolSize());
109	>	assertTrue(p.prestartCoreThread());
110	>	assertEquals(2, p.getPoolSize());
111	>	assertFalse(p.prestartCoreThread());
112	>	assertEquals(2, p.getPoolSize());
113	>	joinPool(p);
114		}
115
116		/**
117	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
117	>	* prestartAllCoreThreads starts all corePoolSize threads
118		*/
119	<	public void testGetActiveCount() {
120	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
121	<	assertEquals(0, p2.getActiveCount());
122	<	p2.execute(new MediumRunnable());
123	<	try {
124	<	Thread.sleep(SHORT_DELAY_MS);
125	<	} catch(Exception e){
126	<	unexpectedException();
127	<	}
128	<	assertEquals(1, p2.getActiveCount());
129	<	joinPool(p2);
119	>	public void testPrestartAllCoreThreads() {
120	>	final ThreadPoolExecutor p =
121	>	new ThreadPoolExecutor(2, 2,
122	>	LONG_DELAY_MS, MILLISECONDS,
123	>	new ArrayBlockingQueue<Runnable>(10));
124	>	assertEquals(0, p.getPoolSize());
125	>	p.prestartAllCoreThreads();
126	>	assertEquals(2, p.getPoolSize());
127	>	p.prestartAllCoreThreads();
128	>	assertEquals(2, p.getPoolSize());
129	>	joinPool(p);
130		}
131	<
131	>
132		/**
133	<	*   getCompletedTaskCount increases, but doesn't overestimate,
134	<	*   when tasks complete
133	>	* getCompletedTaskCount increases, but doesn't overestimate,
134	>	* when tasks complete
135		*/
136	<	public void testGetCompletedTaskCount() {
137	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
138	<	assertEquals(0, p2.getCompletedTaskCount());
139	<	p2.execute(new ShortRunnable());
140	<	try {
141	<	Thread.sleep(MEDIUM_DELAY_MS);
142	<	} catch(Exception e){
143	<	unexpectedException();
136	>	public void testGetCompletedTaskCount() throws InterruptedException {
137	>	final ThreadPoolExecutor p =
138	>	new ThreadPoolExecutor(2, 2,
139	>	LONG_DELAY_MS, MILLISECONDS,
140	>	new ArrayBlockingQueue<Runnable>(10));
141	>	final CountDownLatch threadStarted = new CountDownLatch(1);
142	>	final CountDownLatch threadProceed = new CountDownLatch(1);
143	>	final CountDownLatch threadDone = new CountDownLatch(1);
144	>	try {
145	>	assertEquals(0, p.getCompletedTaskCount());
146	>	p.execute(new CheckedRunnable() {
147	>	public void realRun() throws InterruptedException {
148	>	threadStarted.countDown();
149	>	assertEquals(0, p.getCompletedTaskCount());
150	>	threadProceed.await();
151	>	threadDone.countDown();
152	>	}});
153	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
154	>	assertEquals(0, p.getCompletedTaskCount());
155	>	threadProceed.countDown();
156	>	threadDone.await();
157	>	delay(SHORT_DELAY_MS);
158	>	assertEquals(1, p.getCompletedTaskCount());
159	>	} finally {
160	>	joinPool(p);
161		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
162		}
163	<
163	>
164		/**
165	<	*   getCorePoolSize returns size given in constructor if not otherwise set
165	>	* getCorePoolSize returns size given in constructor if not otherwise set
166		*/
167		public void testGetCorePoolSize() {
168	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169	<	assertEquals(1, p1.getCorePoolSize());
170	<	joinPool(p1);
168	>	final ThreadPoolExecutor p =
169	>	new ThreadPoolExecutor(1, 1,
170	>	LONG_DELAY_MS, MILLISECONDS,
171	>	new ArrayBlockingQueue<Runnable>(10));
172	>	assertEquals(1, p.getCorePoolSize());
173	>	joinPool(p);
174		}
175	<
175	>
176		/**
177	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
177	>	* getKeepAliveTime returns value given in constructor if not otherwise set
178		*/
179		public void testGetKeepAliveTime() {
180	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
181	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
182	<	joinPool(p2);
183	<	}
184	<
185	<	/**
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);
180	>	final ThreadPoolExecutor p =
181	>	new ThreadPoolExecutor(2, 2,
182	>	1000, MILLISECONDS,
183	>	new ArrayBlockingQueue<Runnable>(10));
184	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
185	>	joinPool(p);
186		}
187	<
187	>
188	>
189		/**
190	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
190	>	* getThreadFactory returns factory in constructor if not set
191		*/
192	<	public void testGetMaximumPoolSize() {
193	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
194	<	assertEquals(2, p2.getMaximumPoolSize());
195	<	joinPool(p2);
192	>	public void testGetThreadFactory() {
193	>	ThreadFactory tf = new SimpleThreadFactory();
194	>	final ThreadPoolExecutor p =
195	>	new ThreadPoolExecutor(1, 2,
196	>	LONG_DELAY_MS, MILLISECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10),
198	>	tf,
199	>	new NoOpREHandler());
200	>	assertSame(tf, p.getThreadFactory());
201	>	joinPool(p);
202		}
203	<
203	>
204		/**
205	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
205	>	* setThreadFactory sets the thread factory returned by getThreadFactory
206		*/
207	<	public void testGetPoolSize() {
208	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
209	<	assertEquals(0, p1.getPoolSize());
210	<	p1.execute(new MediumRunnable());
211	<	assertEquals(1, p1.getPoolSize());
212	<	joinPool(p1);
207	>	public void testSetThreadFactory() {
208	>	final ThreadPoolExecutor p =
209	>	new ThreadPoolExecutor(1, 2,
210	>	LONG_DELAY_MS, MILLISECONDS,
211	>	new ArrayBlockingQueue<Runnable>(10));
212	>	ThreadFactory tf = new SimpleThreadFactory();
213	>	p.setThreadFactory(tf);
214	>	assertSame(tf, p.getThreadFactory());
215	>	joinPool(p);
216		}
217	<
217	>
218	>
219		/**
220	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
220	>	* setThreadFactory(null) throws NPE
221		*/
222	<	public void testGetTaskCount() {
223	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
222	>	public void testSetThreadFactoryNull() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(1, 2,
225	>	LONG_DELAY_MS, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227		try {
228	<	assertEquals(0, p1.getTaskCount());
229	<	p1.execute(new MediumRunnable());
230	<	Thread.sleep(SHORT_DELAY_MS);
231	<	assertEquals(1, p1.getTaskCount());
232	<	} catch(Exception e){
233	<	unexpectedException();
163	<	}
164	<	joinPool(p1);
228	>	p.setThreadFactory(null);
229	>	shouldThrow();
230	>	} catch (NullPointerException success) {
231	>	} finally {
232	>	joinPool(p);
233	>	}
234		}
235	<
235	>
236		/**
237	<	*   isShutDown is false before shutdown, true after
237	>	* getRejectedExecutionHandler returns handler in constructor if not set
238		*/
239	<	public void testIsShutdown() {
240	<
241	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
242	<	assertFalse(p1.isShutdown());
243	<	p1.shutdown();
244	<	assertTrue(p1.isShutdown());
245	<	joinPool(p1);
239	>	public void testGetRejectedExecutionHandler() {
240	>	final RejectedExecutionHandler h = new NoOpREHandler();
241	>	final ThreadPoolExecutor p =
242	>	new ThreadPoolExecutor(1, 2,
243	>	LONG_DELAY_MS, MILLISECONDS,
244	>	new ArrayBlockingQueue<Runnable>(10),
245	>	h);
246	>	assertSame(h, p.getRejectedExecutionHandler());
247	>	joinPool(p);
248		}
249
179	–
250		/**
251	<	*  isTerminated is false before termination, true after
251	>	* setRejectedExecutionHandler sets the handler returned by
252	>	* getRejectedExecutionHandler
253		*/
254	<	public void testIsTerminated() {
255	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
256	<	assertFalse(p1.isTerminated());
254	>	public void testSetRejectedExecutionHandler() {
255	>	final ThreadPoolExecutor p =
256	>	new ThreadPoolExecutor(1, 2,
257	>	LONG_DELAY_MS, MILLISECONDS,
258	>	new ArrayBlockingQueue<Runnable>(10));
259	>	RejectedExecutionHandler h = new NoOpREHandler();
260	>	p.setRejectedExecutionHandler(h);
261	>	assertSame(h, p.getRejectedExecutionHandler());
262	>	joinPool(p);
263	>	}
264	>
265	>
266	>	/**
267	>	* setRejectedExecutionHandler(null) throws NPE
268	>	*/
269	>	public void testSetRejectedExecutionHandlerNull() {
270	>	final ThreadPoolExecutor p =
271	>	new ThreadPoolExecutor(1, 2,
272	>	LONG_DELAY_MS, MILLISECONDS,
273	>	new ArrayBlockingQueue<Runnable>(10));
274		try {
275	<	p1.execute(new MediumRunnable());
275	>	p.setRejectedExecutionHandler(null);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {
278		} finally {
279	<	p1.shutdown();
279	>	joinPool(p);
280		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
281		}
282
283	+
284		/**
285	<	*  isTerminating is not true when running or when terminated
285	>	* getLargestPoolSize increases, but doesn't overestimate, when
286	>	* multiple threads active
287		*/
288	<	public void testIsTerminating() {
289	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
290	<	assertFalse(p1.isTerminating());
291	<	try {
292	<	p1.execute(new SmallRunnable());
293	<	assertFalse(p1.isTerminating());
288	>	public void testGetLargestPoolSize() throws InterruptedException {
289	>	final int THREADS = 3;
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(THREADS, THREADS,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10));
294	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
295	>	final CountDownLatch done = new CountDownLatch(1);
296	>	try {
297	>	assertEquals(0, p.getLargestPoolSize());
298	>	for (int i = 0; i < THREADS; i++)
299	>	p.execute(new CheckedRunnable() {
300	>	public void realRun() throws InterruptedException {
301	>	threadsStarted.countDown();
302	>	done.await();
303	>	assertEquals(THREADS, p.getLargestPoolSize());
304	>	}});
305	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
306	>	assertEquals(THREADS, p.getLargestPoolSize());
307		} finally {
308	<	p1.shutdown();
308	>	done.countDown();
309	>	joinPool(p);
310	>	assertEquals(THREADS, p.getLargestPoolSize());
311		}
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	–	}
312		}
313
314		/**
315	<	*   purge removes cancelled tasks from the queue
315	>	* getMaximumPoolSize returns value given in constructor if not
316	>	* otherwise set
317	>	*/
318	>	public void testGetMaximumPoolSize() {
319	>	final ThreadPoolExecutor p =
320	>	new ThreadPoolExecutor(2, 3,
321	>	LONG_DELAY_MS, MILLISECONDS,
322	>	new ArrayBlockingQueue<Runnable>(10));
323	>	assertEquals(3, p.getMaximumPoolSize());
324	>	joinPool(p);
325	>	}
326	>
327	>	/**
328	>	* getPoolSize increases, but doesn't overestimate, when threads
329	>	* become active
330	>	*/
331	>	public void testGetPoolSize() throws InterruptedException {
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(1, 1,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	final CountDownLatch threadStarted = new CountDownLatch(1);
337	>	final CountDownLatch done = new CountDownLatch(1);
338	>	try {
339	>	assertEquals(0, p.getPoolSize());
340	>	p.execute(new CheckedRunnable() {
341	>	public void realRun() throws InterruptedException {
342	>	threadStarted.countDown();
343	>	assertEquals(1, p.getPoolSize());
344	>	done.await();
345	>	}});
346	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
347	>	assertEquals(1, p.getPoolSize());
348	>	} finally {
349	>	done.countDown();
350	>	joinPool(p);
351	>	}
352	>	}
353	>
354	>	/**
355	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
356	>	*/
357	>	public void testGetTaskCount() throws InterruptedException {
358	>	final ThreadPoolExecutor p =
359	>	new ThreadPoolExecutor(1, 1,
360	>	LONG_DELAY_MS, MILLISECONDS,
361	>	new ArrayBlockingQueue<Runnable>(10));
362	>	final CountDownLatch threadStarted = new CountDownLatch(1);
363	>	final CountDownLatch done = new CountDownLatch(1);
364	>	try {
365	>	assertEquals(0, p.getTaskCount());
366	>	p.execute(new CheckedRunnable() {
367	>	public void realRun() throws InterruptedException {
368	>	threadStarted.countDown();
369	>	assertEquals(1, p.getTaskCount());
370	>	done.await();
371	>	}});
372	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
373	>	assertEquals(1, p.getTaskCount());
374	>	} finally {
375	>	done.countDown();
376	>	joinPool(p);
377	>	}
378	>	}
379	>
380	>	/**
381	>	* isShutDown is false before shutdown, true after
382	>	*/
383	>	public void testIsShutdown() {
384	>	final ThreadPoolExecutor p =
385	>	new ThreadPoolExecutor(1, 1,
386	>	LONG_DELAY_MS, MILLISECONDS,
387	>	new ArrayBlockingQueue<Runnable>(10));
388	>	assertFalse(p.isShutdown());
389	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
390	>	assertTrue(p.isShutdown());
391	>	joinPool(p);
392	>	}
393	>
394	>
395	>	/**
396	>	* isTerminated is false before termination, true after
397	>	*/
398	>	public void testIsTerminated() throws InterruptedException {
399	>	final ThreadPoolExecutor p =
400	>	new ThreadPoolExecutor(1, 1,
401	>	LONG_DELAY_MS, MILLISECONDS,
402	>	new ArrayBlockingQueue<Runnable>(10));
403	>	final CountDownLatch threadStarted = new CountDownLatch(1);
404	>	final CountDownLatch done = new CountDownLatch(1);
405	>	assertFalse(p.isTerminated());
406	>	try {
407	>	p.execute(new CheckedRunnable() {
408	>	public void realRun() throws InterruptedException {
409	>	assertFalse(p.isTerminated());
410	>	threadStarted.countDown();
411	>	done.await();
412	>	}});
413	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
414	>	assertFalse(p.isTerminating());
415	>	done.countDown();
416	>	} finally {
417	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
418	>	}
419	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
420	>	assertTrue(p.isTerminated());
421	>	}
422	>
423	>	/**
424	>	* isTerminating is not true when running or when terminated
425		*/
426	<	public void testPurge() {
427	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
428	<	CancellableTask[] tasks = new CancellableTask[5];
429	<	for(int i = 0; i < 5; i++){
430	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
431	<	p1.execute(tasks[i]);
426	>	public void testIsTerminating() throws InterruptedException {
427	>	final ThreadPoolExecutor p =
428	>	new ThreadPoolExecutor(1, 1,
429	>	LONG_DELAY_MS, MILLISECONDS,
430	>	new ArrayBlockingQueue<Runnable>(10));
431	>	final CountDownLatch threadStarted = new CountDownLatch(1);
432	>	final CountDownLatch done = new CountDownLatch(1);
433	>	try {
434	>	assertFalse(p.isTerminating());
435	>	p.execute(new CheckedRunnable() {
436	>	public void realRun() throws InterruptedException {
437	>	assertFalse(p.isTerminating());
438	>	threadStarted.countDown();
439	>	done.await();
440	>	}});
441	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
442	>	assertFalse(p.isTerminating());
443	>	done.countDown();
444	>	} finally {
445	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
446	>	}
447	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
448	>	assertTrue(p.isTerminated());
449	>	assertFalse(p.isTerminating());
450	>	}
451	>
452	>	/**
453	>	* getQueue returns the work queue, which contains queued tasks
454	>	*/
455	>	public void testGetQueue() throws InterruptedException {
456	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
457	>	final ThreadPoolExecutor p =
458	>	new ThreadPoolExecutor(1, 1,
459	>	LONG_DELAY_MS, MILLISECONDS,
460	>	q);
461	>	final CountDownLatch threadStarted = new CountDownLatch(1);
462	>	final CountDownLatch done = new CountDownLatch(1);
463	>	try {
464	>	FutureTask[] tasks = new FutureTask[5];
465	>	for (int i = 0; i < tasks.length; i++) {
466	>	Callable task = new CheckedCallable<Boolean>() {
467	>	public Boolean realCall() throws InterruptedException {
468	>	threadStarted.countDown();
469	>	assertSame(q, p.getQueue());
470	>	done.await();
471	>	return Boolean.TRUE;
472	>	}};
473	>	tasks[i] = new FutureTask(task);
474	>	p.execute(tasks[i]);
475	>	}
476	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
477	>	assertSame(q, p.getQueue());
478	>	assertFalse(q.contains(tasks[0]));
479	>	assertTrue(q.contains(tasks[tasks.length - 1]));
480	>	assertEquals(tasks.length - 1, q.size());
481	>	} finally {
482	>	done.countDown();
483	>	joinPool(p);
484		}
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);
485		}
486
487		/**
488	<	*  shutDownNow returns a list containing tasks that were not run
488	>	* remove(task) removes queued task, and fails to remove active task
489	>	*/
490	>	public void testRemove() throws InterruptedException {
491	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
492	>	final ThreadPoolExecutor p =
493	>	new ThreadPoolExecutor(1, 1,
494	>	LONG_DELAY_MS, MILLISECONDS,
495	>	q);
496	>	Runnable[] tasks = new Runnable[5];
497	>	final CountDownLatch threadStarted = new CountDownLatch(1);
498	>	final CountDownLatch done = new CountDownLatch(1);
499	>	try {
500	>	for (int i = 0; i < tasks.length; i++) {
501	>	tasks[i] = new CheckedRunnable() {
502	>	public void realRun() throws InterruptedException {
503	>	threadStarted.countDown();
504	>	done.await();
505	>	}};
506	>	p.execute(tasks[i]);
507	>	}
508	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
509	>	assertFalse(p.remove(tasks[0]));
510	>	assertTrue(q.contains(tasks[4]));
511	>	assertTrue(q.contains(tasks[3]));
512	>	assertTrue(p.remove(tasks[4]));
513	>	assertFalse(p.remove(tasks[4]));
514	>	assertFalse(q.contains(tasks[4]));
515	>	assertTrue(q.contains(tasks[3]));
516	>	assertTrue(p.remove(tasks[3]));
517	>	assertFalse(q.contains(tasks[3]));
518	>	} finally {
519	>	done.countDown();
520	>	joinPool(p);
521	>	}
522	>	}
523	>
524	>	/**
525	>	* purge removes cancelled tasks from the queue
526	>	*/
527	>	public void testPurge() throws InterruptedException {
528	>	final CountDownLatch threadStarted = new CountDownLatch(1);
529	>	final CountDownLatch done = new CountDownLatch(1);
530	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
531	>	final ThreadPoolExecutor p =
532	>	new ThreadPoolExecutor(1, 1,
533	>	LONG_DELAY_MS, MILLISECONDS,
534	>	q);
535	>	FutureTask[] tasks = new FutureTask[5];
536	>	try {
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Callable task = new CheckedCallable<Boolean>() {
539	>	public Boolean realCall() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	done.await();
542	>	return Boolean.TRUE;
543	>	}};
544	>	tasks[i] = new FutureTask(task);
545	>	p.execute(tasks[i]);
546	>	}
547	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
548	>	assertEquals(tasks.length, p.getTaskCount());
549	>	assertEquals(tasks.length - 1, q.size());
550	>	assertEquals(1L, p.getActiveCount());
551	>	assertEquals(0L, p.getCompletedTaskCount());
552	>	tasks[4].cancel(true);
553	>	tasks[3].cancel(false);
554	>	p.purge();
555	>	assertEquals(tasks.length - 3, q.size());
556	>	assertEquals(tasks.length - 2, p.getTaskCount());
557	>	p.purge();         // Nothing to do
558	>	assertEquals(tasks.length - 3, q.size());
559	>	assertEquals(tasks.length - 2, p.getTaskCount());
560	>	} finally {
561	>	done.countDown();
562	>	joinPool(p);
563	>	}
564	>	}
565	>
566	>	/**
567	>	* shutDownNow returns a list containing tasks that were not run
568		*/
569		public void testShutDownNow() {
570	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
570	>	final ThreadPoolExecutor p =
571	>	new ThreadPoolExecutor(1, 1,
572	>	LONG_DELAY_MS, MILLISECONDS,
573	>	new ArrayBlockingQueue<Runnable>(10));
574		List l;
575		try {
576	<	for(int i = 0; i < 5; i++)
577	<	p1.execute(new MediumPossiblyInterruptedRunnable());
576	>	for (int i = 0; i < 5; i++)
577	>	p.execute(new MediumPossiblyInterruptedRunnable());
578		}
579		finally {
580	<	l = p1.shutdownNow();
580	>	try {
581	>	l = p.shutdownNow();
582	>	} catch (SecurityException ok) { return; }
583		}
584	<	assertTrue(p1.isShutdown());
585	<	assertTrue(l.size() <= 4);
584	>	assertTrue(p.isShutdown());
585	>	assertTrue(l.size() <= 4);
586		}
587
588		// Exception Tests
256	–
589
590	<	/**
591	<	* Constructor throws if corePoolSize argument is less than zero
590	>
591	>	/**
592	>	* Constructor throws if corePoolSize argument is less than zero
593		*/
594		public void testConstructor1() {
595		try {
596	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
596	>	new ThreadPoolExecutor(-1, 1,
597	>	LONG_DELAY_MS, MILLISECONDS,
598	>	new ArrayBlockingQueue<Runnable>(10));
599		shouldThrow();
600	<	}
266	<	catch (IllegalArgumentException success){}
600	>	} catch (IllegalArgumentException success) {}
601		}
602	<
603	<	/**
604	<	* Constructor throws if maximumPoolSize is less than zero
602	>
603	>	/**
604	>	* Constructor throws if maximumPoolSize is less than zero
605		*/
606		public void testConstructor2() {
607		try {
608	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
608	>	new ThreadPoolExecutor(1, -1,
609	>	LONG_DELAY_MS, MILLISECONDS,
610	>	new ArrayBlockingQueue<Runnable>(10));
611		shouldThrow();
612	<	}
277	<	catch (IllegalArgumentException success){}
612	>	} catch (IllegalArgumentException success) {}
613		}
614	<
615	<	/**
616	<	* Constructor throws if maximumPoolSize is equal to zero
614	>
615	>	/**
616	>	* Constructor throws if maximumPoolSize is equal to zero
617		*/
618		public void testConstructor3() {
619		try {
620	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
620	>	new ThreadPoolExecutor(1, 0,
621	>	LONG_DELAY_MS, MILLISECONDS,
622	>	new ArrayBlockingQueue<Runnable>(10));
623		shouldThrow();
624	<	}
288	<	catch (IllegalArgumentException success){}
624	>	} catch (IllegalArgumentException success) {}
625		}
626
627	<	/**
628	<	* Constructor throws if keepAliveTime is less than zero
627	>	/**
628	>	* Constructor throws if keepAliveTime is less than zero
629		*/
630		public void testConstructor4() {
631		try {
632	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
632	>	new ThreadPoolExecutor(1, 2,
633	>	-1L, MILLISECONDS,
634	>	new ArrayBlockingQueue<Runnable>(10));
635		shouldThrow();
636	<	}
299	<	catch (IllegalArgumentException success){}
636	>	} catch (IllegalArgumentException success) {}
637		}
638
639	<	/**
640	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
639	>	/**
640	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
641		*/
642		public void testConstructor5() {
643		try {
644	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
644	>	new ThreadPoolExecutor(2, 1,
645	>	LONG_DELAY_MS, MILLISECONDS,
646	>	new ArrayBlockingQueue<Runnable>(10));
647		shouldThrow();
648	<	}
310	<	catch (IllegalArgumentException success){}
648	>	} catch (IllegalArgumentException success) {}
649		}
650	<
651	<	/**
652	<	* Constructor throws if workQueue is set to null
650	>
651	>	/**
652	>	* Constructor throws if workQueue is set to null
653		*/
654	<	public void testNullPointerException() {
654	>	public void testConstructorNullPointerException() {
655		try {
656	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
656	>	new ThreadPoolExecutor(1, 2,
657	>	LONG_DELAY_MS, MILLISECONDS,
658	>	(BlockingQueue) null);
659		shouldThrow();
660	<	}
321	<	catch (NullPointerException success){}
660	>	} catch (NullPointerException success) {}
661		}
323	–
662
663	<
664	<	/**
665	<	* Constructor throws if corePoolSize argument is less than zero
663	>
664	>
665	>	/**
666	>	* Constructor throws if corePoolSize argument is less than zero
667		*/
668		public void testConstructor6() {
669		try {
670	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
670	>	new ThreadPoolExecutor(-1, 1,
671	>	LONG_DELAY_MS, MILLISECONDS,
672	>	new ArrayBlockingQueue<Runnable>(10),
673	>	new SimpleThreadFactory());
674		shouldThrow();
675	<	} catch (IllegalArgumentException success){}
675	>	} catch (IllegalArgumentException success) {}
676		}
677	<
678	<	/**
679	<	* Constructor throws if maximumPoolSize is less than zero
677	>
678	>	/**
679	>	* Constructor throws if maximumPoolSize is less than zero
680		*/
681		public void testConstructor7() {
682		try {
683	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
683	>	new ThreadPoolExecutor(1, -1,
684	>	LONG_DELAY_MS, MILLISECONDS,
685	>	new ArrayBlockingQueue<Runnable>(10),
686	>	new SimpleThreadFactory());
687		shouldThrow();
688	<	}
344	<	catch (IllegalArgumentException success){}
688	>	} catch (IllegalArgumentException success) {}
689		}
690
691	<	/**
692	<	* Constructor throws if maximumPoolSize is equal to zero
691	>	/**
692	>	* Constructor throws if maximumPoolSize is equal to zero
693		*/
694		public void testConstructor8() {
695		try {
696	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
696	>	new ThreadPoolExecutor(1, 0,
697	>	LONG_DELAY_MS, MILLISECONDS,
698	>	new ArrayBlockingQueue<Runnable>(10),
699	>	new SimpleThreadFactory());
700		shouldThrow();
701	<	}
355	<	catch (IllegalArgumentException success){}
701	>	} catch (IllegalArgumentException success) {}
702		}
703
704	<	/**
705	<	* Constructor throws if keepAliveTime is less than zero
704	>	/**
705	>	* Constructor throws if keepAliveTime is less than zero
706		*/
707		public void testConstructor9() {
708		try {
709	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
709	>	new ThreadPoolExecutor(1, 2,
710	>	-1L, MILLISECONDS,
711	>	new ArrayBlockingQueue<Runnable>(10),
712	>	new SimpleThreadFactory());
713		shouldThrow();
714	<	}
366	<	catch (IllegalArgumentException success){}
714	>	} catch (IllegalArgumentException success) {}
715		}
716
717	<	/**
718	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
717	>	/**
718	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
719		*/
720		public void testConstructor10() {
721		try {
722	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
722	>	new ThreadPoolExecutor(2, 1,
723	>	LONG_DELAY_MS, MILLISECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10),
725	>	new SimpleThreadFactory());
726		shouldThrow();
727	<	}
377	<	catch (IllegalArgumentException success){}
727	>	} catch (IllegalArgumentException success) {}
728		}
729
730	<	/**
731	<	* Constructor throws if workQueue is set to null
730	>	/**
731	>	* Constructor throws if workQueue is set to null
732		*/
733	<	public void testNullPointerException2() {
733	>	public void testConstructorNullPointerException2() {
734		try {
735	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
735	>	new ThreadPoolExecutor(1, 2,
736	>	LONG_DELAY_MS, MILLISECONDS,
737	>	(BlockingQueue) null,
738	>	new SimpleThreadFactory());
739		shouldThrow();
740	<	}
388	<	catch (NullPointerException success){}
740	>	} catch (NullPointerException success) {}
741		}
742
743	<	/**
744	<	* Constructor throws if threadFactory is set to null
743	>	/**
744	>	* Constructor throws if threadFactory is set to null
745		*/
746	<	public void testNullPointerException3() {
746	>	public void testConstructorNullPointerException3() {
747		try {
748	<	ThreadFactory f = null;
749	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
748	>	new ThreadPoolExecutor(1, 2,
749	>	LONG_DELAY_MS, MILLISECONDS,
750	>	new ArrayBlockingQueue<Runnable>(10),
751	>	(ThreadFactory) null);
752		shouldThrow();
753	<	}
400	<	catch (NullPointerException success){}
753	>	} catch (NullPointerException success) {}
754		}
755	<
756	<
757	<	/**
758	<	* Constructor throws if corePoolSize argument is less than zero
755	>
756	>
757	>	/**
758	>	* Constructor throws if corePoolSize argument is less than zero
759		*/
760		public void testConstructor11() {
761		try {
762	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
762	>	new ThreadPoolExecutor(-1, 1,
763	>	LONG_DELAY_MS, MILLISECONDS,
764	>	new ArrayBlockingQueue<Runnable>(10),
765	>	new NoOpREHandler());
766		shouldThrow();
767	<	}
412	<	catch (IllegalArgumentException success){}
767	>	} catch (IllegalArgumentException success) {}
768		}
769
770	<	/**
771	<	* Constructor throws if maximumPoolSize is less than zero
770	>	/**
771	>	* Constructor throws if maximumPoolSize is less than zero
772		*/
773		public void testConstructor12() {
774		try {
775	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
775	>	new ThreadPoolExecutor(1, -1,
776	>	LONG_DELAY_MS, MILLISECONDS,
777	>	new ArrayBlockingQueue<Runnable>(10),
778	>	new NoOpREHandler());
779		shouldThrow();
780	<	}
423	<	catch (IllegalArgumentException success){}
780	>	} catch (IllegalArgumentException success) {}
781		}
782
783	<	/**
784	<	* Constructor throws if maximumPoolSize is equal to zero
783	>	/**
784	>	* Constructor throws if maximumPoolSize is equal to zero
785		*/
786		public void testConstructor13() {
787		try {
788	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
788	>	new ThreadPoolExecutor(1, 0,
789	>	LONG_DELAY_MS, MILLISECONDS,
790	>	new ArrayBlockingQueue<Runnable>(10),
791	>	new NoOpREHandler());
792		shouldThrow();
793	<	}
434	<	catch (IllegalArgumentException success){}
793	>	} catch (IllegalArgumentException success) {}
794		}
795
796	<	/**
797	<	* Constructor throws if keepAliveTime is less than zero
796	>	/**
797	>	* Constructor throws if keepAliveTime is less than zero
798		*/
799		public void testConstructor14() {
800		try {
801	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
801	>	new ThreadPoolExecutor(1, 2,
802	>	-1L, MILLISECONDS,
803	>	new ArrayBlockingQueue<Runnable>(10),
804	>	new NoOpREHandler());
805		shouldThrow();
806	<	}
445	<	catch (IllegalArgumentException success){}
806	>	} catch (IllegalArgumentException success) {}
807		}
808
809	<	/**
810	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
809	>	/**
810	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
811		*/
812		public void testConstructor15() {
813		try {
814	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
814	>	new ThreadPoolExecutor(2, 1,
815	>	LONG_DELAY_MS, MILLISECONDS,
816	>	new ArrayBlockingQueue<Runnable>(10),
817	>	new NoOpREHandler());
818	>	shouldThrow();
819	>	} catch (IllegalArgumentException success) {}
820	>	}
821	>
822	>	/**
823	>	* Constructor throws if workQueue is set to null
824	>	*/
825	>	public void testConstructorNullPointerException4() {
826	>	try {
827	>	new ThreadPoolExecutor(1, 2,
828	>	LONG_DELAY_MS, MILLISECONDS,
829	>	(BlockingQueue) null,
830	>	new NoOpREHandler());
831	>	shouldThrow();
832	>	} catch (NullPointerException success) {}
833	>	}
834	>
835	>	/**
836	>	* Constructor throws if handler is set to null
837	>	*/
838	>	public void testConstructorNullPointerException5() {
839	>	try {
840	>	new ThreadPoolExecutor(1, 2,
841	>	LONG_DELAY_MS, MILLISECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	(RejectedExecutionHandler) null);
844	>	shouldThrow();
845	>	} catch (NullPointerException success) {}
846	>	}
847	>
848	>
849	>	/**
850	>	* Constructor throws if corePoolSize argument is less than zero
851	>	*/
852	>	public void testConstructor16() {
853	>	try {
854	>	new ThreadPoolExecutor(-1, 1,
855	>	LONG_DELAY_MS, MILLISECONDS,
856	>	new ArrayBlockingQueue<Runnable>(10),
857	>	new SimpleThreadFactory(),
858	>	new NoOpREHandler());
859	>	shouldThrow();
860	>	} catch (IllegalArgumentException success) {}
861	>	}
862	>
863	>	/**
864	>	* Constructor throws if maximumPoolSize is less than zero
865	>	*/
866	>	public void testConstructor17() {
867	>	try {
868	>	new ThreadPoolExecutor(1, -1,
869	>	LONG_DELAY_MS, MILLISECONDS,
870	>	new ArrayBlockingQueue<Runnable>(10),
871	>	new SimpleThreadFactory(),
872	>	new NoOpREHandler());
873	>	shouldThrow();
874	>	} catch (IllegalArgumentException success) {}
875	>	}
876	>
877	>	/**
878	>	* Constructor throws if maximumPoolSize is equal to zero
879	>	*/
880	>	public void testConstructor18() {
881	>	try {
882	>	new ThreadPoolExecutor(1, 0,
883	>	LONG_DELAY_MS, MILLISECONDS,
884	>	new ArrayBlockingQueue<Runnable>(10),
885	>	new SimpleThreadFactory(),
886	>	new NoOpREHandler());
887	>	shouldThrow();
888	>	} catch (IllegalArgumentException success) {}
889	>	}
890	>
891	>	/**
892	>	* Constructor throws if keepAliveTime is less than zero
893	>	*/
894	>	public void testConstructor19() {
895	>	try {
896	>	new ThreadPoolExecutor(1, 2,
897	>	-1L, MILLISECONDS,
898	>	new ArrayBlockingQueue<Runnable>(10),
899	>	new SimpleThreadFactory(),
900	>	new NoOpREHandler());
901	>	shouldThrow();
902	>	} catch (IllegalArgumentException success) {}
903	>	}
904	>
905	>	/**
906	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
907	>	*/
908	>	public void testConstructor20() {
909	>	try {
910	>	new ThreadPoolExecutor(2, 1,
911	>	LONG_DELAY_MS, MILLISECONDS,
912	>	new ArrayBlockingQueue<Runnable>(10),
913	>	new SimpleThreadFactory(),
914	>	new NoOpREHandler());
915	>	shouldThrow();
916	>	} catch (IllegalArgumentException success) {}
917	>	}
918	>
919	>	/**
920	>	* Constructor throws if workQueue is null
921	>	*/
922	>	public void testConstructorNullPointerException6() {
923	>	try {
924	>	new ThreadPoolExecutor(1, 2,
925	>	LONG_DELAY_MS, MILLISECONDS,
926	>	(BlockingQueue) null,
927	>	new SimpleThreadFactory(),
928	>	new NoOpREHandler());
929		shouldThrow();
930	+	} catch (NullPointerException success) {}
931	+	}
932	+
933	+	/**
934	+	* Constructor throws if handler is null
935	+	*/
936	+	public void testConstructorNullPointerException7() {
937	+	try {
938	+	new ThreadPoolExecutor(1, 2,
939	+	LONG_DELAY_MS, MILLISECONDS,
940	+	new ArrayBlockingQueue<Runnable>(10),
941	+	new SimpleThreadFactory(),
942	+	(RejectedExecutionHandler) null);
943	+	shouldThrow();
944	+	} catch (NullPointerException success) {}
945	+	}
946	+
947	+	/**
948	+	* Constructor throws if ThreadFactory is null
949	+	*/
950	+	public void testConstructorNullPointerException8() {
951	+	try {
952	+	new ThreadPoolExecutor(1, 2,
953	+	LONG_DELAY_MS, MILLISECONDS,
954	+	new ArrayBlockingQueue<Runnable>(10),
955	+	(ThreadFactory) null,
956	+	new NoOpREHandler());
957	+	shouldThrow();
958	+	} catch (NullPointerException success) {}
959	+	}
960	+
961	+	/**
962	+	* get of submitted callable throws InterruptedException if interrupted
963	+	*/
964	+	public void testInterruptedSubmit() throws InterruptedException {
965	+	final ThreadPoolExecutor p =
966	+	new ThreadPoolExecutor(1, 1,
967	+	60, TimeUnit.SECONDS,
968	+	new ArrayBlockingQueue<Runnable>(10));
969	+
970	+	final CountDownLatch threadStarted = new CountDownLatch(1);
971	+	final CountDownLatch done = new CountDownLatch(1);
972	+	try {
973	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
974	+	public void realRun() throws Exception {
975	+	Callable task = new CheckedCallable<Boolean>() {
976	+	public Boolean realCall() throws InterruptedException {
977	+	threadStarted.countDown();
978	+	done.await();
979	+	return Boolean.TRUE;
980	+	}};
981	+	p.submit(task).get();
982	+	}});
983	+
984	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
985	+	t.interrupt();
986	+	awaitTermination(t, MEDIUM_DELAY_MS);
987	+	} finally {
988	+	done.countDown();
989	+	joinPool(p);
990	+	}
991	+	}
992	+
993	+	/**
994	+	* execute throws RejectedExecutionException if saturated.
995	+	*/
996	+	public void testSaturatedExecute() {
997	+	ThreadPoolExecutor p =
998	+	new ThreadPoolExecutor(1, 1,
999	+	LONG_DELAY_MS, MILLISECONDS,
1000	+	new ArrayBlockingQueue<Runnable>(1));
1001	+	final CountDownLatch done = new CountDownLatch(1);
1002	+	try {
1003	+	Runnable task = new CheckedRunnable() {
1004	+	public void realRun() throws InterruptedException {
1005	+	done.await();
1006	+	}};
1007	+	for (int i = 0; i < 2; ++i)
1008	+	p.execute(task);
1009	+	for (int i = 0; i < 2; ++i) {
1010	+	try {
1011	+	p.execute(task);
1012	+	shouldThrow();
1013	+	} catch (RejectedExecutionException success) {}
1014	+	assertTrue(p.getTaskCount() <= 2);
1015	+	}
1016	+	} finally {
1017	+	done.countDown();
1018	+	joinPool(p);
1019	+	}
1020	+	}
1021	+
1022	+	/**
1023	+	* submit(runnable) throws RejectedExecutionException if saturated.
1024	+	*/
1025	+	public void testSaturatedSubmitRunnable() {
1026	+	ThreadPoolExecutor p =
1027	+	new ThreadPoolExecutor(1, 1,
1028	+	LONG_DELAY_MS, MILLISECONDS,
1029	+	new ArrayBlockingQueue<Runnable>(1));
1030	+	final CountDownLatch done = new CountDownLatch(1);
1031	+	try {
1032	+	Runnable task = new CheckedRunnable() {
1033	+	public void realRun() throws InterruptedException {
1034	+	done.await();
1035	+	}};
1036	+	for (int i = 0; i < 2; ++i)
1037	+	p.submit(task);
1038	+	for (int i = 0; i < 2; ++i) {
1039	+	try {
1040	+	p.execute(task);
1041	+	shouldThrow();
1042	+	} catch (RejectedExecutionException success) {}
1043	+	assertTrue(p.getTaskCount() <= 2);
1044	+	}
1045	+	} finally {
1046	+	done.countDown();
1047	+	joinPool(p);
1048	+	}
1049	+	}
1050	+
1051	+	/**
1052	+	* submit(callable) throws RejectedExecutionException if saturated.
1053	+	*/
1054	+	public void testSaturatedSubmitCallable() {
1055	+	ThreadPoolExecutor p =
1056	+	new ThreadPoolExecutor(1, 1,
1057	+	LONG_DELAY_MS, MILLISECONDS,
1058	+	new ArrayBlockingQueue<Runnable>(1));
1059	+	final CountDownLatch done = new CountDownLatch(1);
1060	+	try {
1061	+	Runnable task = new CheckedRunnable() {
1062	+	public void realRun() throws InterruptedException {
1063	+	done.await();
1064	+	}};
1065	+	for (int i = 0; i < 2; ++i)
1066	+	p.submit(Executors.callable(task));
1067	+	for (int i = 0; i < 2; ++i) {
1068	+	try {
1069	+	p.execute(task);
1070	+	shouldThrow();
1071	+	} catch (RejectedExecutionException success) {}
1072	+	assertTrue(p.getTaskCount() <= 2);
1073	+	}
1074	+	} finally {
1075	+	done.countDown();
1076	+	joinPool(p);
1077	+	}
1078	+	}
1079	+
1080	+	/**
1081	+	* executor using CallerRunsPolicy runs task if saturated.
1082	+	*/
1083	+	public void testSaturatedExecute2() {
1084	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1085	+	final ThreadPoolExecutor p =
1086	+	new ThreadPoolExecutor(1, 1,
1087	+	LONG_DELAY_MS,
1088	+	MILLISECONDS,
1089	+	new ArrayBlockingQueue<Runnable>(1),
1090	+	h);
1091	+	try {
1092	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1093	+	for (int i = 0; i < tasks.length; ++i)
1094	+	tasks[i] = new TrackedNoOpRunnable();
1095	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1096	+	p.execute(mr);
1097	+	for (int i = 0; i < tasks.length; ++i)
1098	+	p.execute(tasks[i]);
1099	+	for (int i = 1; i < tasks.length; ++i)
1100	+	assertTrue(tasks[i].done);
1101	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1102	+	} finally {
1103	+	joinPool(p);
1104	+	}
1105	+	}
1106	+
1107	+	/**
1108	+	* executor using DiscardPolicy drops task if saturated.
1109	+	*/
1110	+	public void testSaturatedExecute3() {
1111	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1112	+	final ThreadPoolExecutor p =
1113	+	new ThreadPoolExecutor(1, 1,
1114	+	LONG_DELAY_MS, MILLISECONDS,
1115	+	new ArrayBlockingQueue<Runnable>(1),
1116	+	h);
1117	+	try {
1118	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1119	+	for (int i = 0; i < tasks.length; ++i)
1120	+	tasks[i] = new TrackedNoOpRunnable();
1121	+	p.execute(new TrackedLongRunnable());
1122	+	for (TrackedNoOpRunnable task : tasks)
1123	+	p.execute(task);
1124	+	for (TrackedNoOpRunnable task : tasks)
1125	+	assertFalse(task.done);
1126	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1127	+	} finally {
1128	+	joinPool(p);
1129	+	}
1130	+	}
1131	+
1132	+	/**
1133	+	* executor using DiscardOldestPolicy drops oldest task if saturated.
1134	+	*/
1135	+	public void testSaturatedExecute4() {
1136	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1137	+	final ThreadPoolExecutor p =
1138	+	new ThreadPoolExecutor(1, 1,
1139	+	LONG_DELAY_MS, MILLISECONDS,
1140	+	new ArrayBlockingQueue<Runnable>(1),
1141	+	h);
1142	+	try {
1143	+	p.execute(new TrackedLongRunnable());
1144	+	TrackedLongRunnable r2 = new TrackedLongRunnable();
1145	+	p.execute(r2);
1146	+	assertTrue(p.getQueue().contains(r2));
1147	+	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1148	+	p.execute(r3);
1149	+	assertFalse(p.getQueue().contains(r2));
1150	+	assertTrue(p.getQueue().contains(r3));
1151	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1152	+	} finally {
1153	+	joinPool(p);
1154		}
456	–	catch (IllegalArgumentException success){}
1155		}
1156
1157	<	/**
1158	<	* Constructor throws if workQueue is set to null
1157	>	/**
1158	>	* execute throws RejectedExecutionException if shutdown
1159		*/
1160	<	public void testNullPointerException4() {
1160	>	public void testRejectedExecutionExceptionOnShutdown() {
1161	>	ThreadPoolExecutor p =
1162	>	new ThreadPoolExecutor(1, 1,
1163	>	LONG_DELAY_MS, MILLISECONDS,
1164	>	new ArrayBlockingQueue<Runnable>(1));
1165	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1166		try {
1167	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1167	>	p.execute(new NoOpRunnable());
1168		shouldThrow();
1169	+	} catch (RejectedExecutionException success) {}
1170	+
1171	+	joinPool(p);
1172	+	}
1173	+
1174	+	/**
1175	+	* execute using CallerRunsPolicy drops task on shutdown
1176	+	*/
1177	+	public void testCallerRunsOnShutdown() {
1178	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1179	+	final ThreadPoolExecutor p =
1180	+	new ThreadPoolExecutor(1, 1,
1181	+	LONG_DELAY_MS, MILLISECONDS,
1182	+	new ArrayBlockingQueue<Runnable>(1), h);
1183	+
1184	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1185	+	try {
1186	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1187	+	p.execute(r);
1188	+	assertFalse(r.done);
1189	+	} finally {
1190	+	joinPool(p);
1191	+	}
1192	+	}
1193	+
1194	+	/**
1195	+	* execute using DiscardPolicy drops task on shutdown
1196	+	*/
1197	+	public void testDiscardOnShutdown() {
1198	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1199	+	ThreadPoolExecutor p =
1200	+	new ThreadPoolExecutor(1, 1,
1201	+	LONG_DELAY_MS, MILLISECONDS,
1202	+	new ArrayBlockingQueue<Runnable>(1),
1203	+	h);
1204	+
1205	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1206	+	try {
1207	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1208	+	p.execute(r);
1209	+	assertFalse(r.done);
1210	+	} finally {
1211	+	joinPool(p);
1212		}
467	–	catch (NullPointerException success){}
1213		}
1214
1215	<	/**
1216	<	* Constructor throws if handler is set to null
1215	>
1216	>	/**
1217	>	* execute using DiscardOldestPolicy drops task on shutdown
1218		*/
1219	<	public void testNullPointerException5() {
1219	>	public void testDiscardOldestOnShutdown() {
1220	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1221	>	ThreadPoolExecutor p =
1222	>	new ThreadPoolExecutor(1, 1,
1223	>	LONG_DELAY_MS, MILLISECONDS,
1224	>	new ArrayBlockingQueue<Runnable>(1),
1225	>	h);
1226	>
1227	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1228		try {
1229	<	RejectedExecutionHandler r = null;
1230	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1229	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1230	>	p.execute(r);
1231	>	assertFalse(r.done);
1232	>	} finally {
1233	>	joinPool(p);
1234	>	}
1235	>	}
1236	>
1237	>
1238	>	/**
1239	>	* execute(null) throws NPE
1240	>	*/
1241	>	public void testExecuteNull() {
1242	>	ThreadPoolExecutor p =
1243	>	new ThreadPoolExecutor(1, 2,
1244	>	LONG_DELAY_MS, MILLISECONDS,
1245	>	new ArrayBlockingQueue<Runnable>(10));
1246	>	try {
1247	>	p.execute(null);
1248		shouldThrow();
1249	+	} catch (NullPointerException success) {}
1250	+
1251	+	joinPool(p);
1252	+	}
1253	+
1254	+	/**
1255	+	* setCorePoolSize of negative value throws IllegalArgumentException
1256	+	*/
1257	+	public void testCorePoolSizeIllegalArgumentException() {
1258	+	ThreadPoolExecutor p =
1259	+	new ThreadPoolExecutor(1, 2,
1260	+	LONG_DELAY_MS, MILLISECONDS,
1261	+	new ArrayBlockingQueue<Runnable>(10));
1262	+	try {
1263	+	p.setCorePoolSize(-1);
1264	+	shouldThrow();
1265	+	} catch (IllegalArgumentException success) {
1266	+	} finally {
1267	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1268		}
1269	<	catch (NullPointerException success){}
1269	>	joinPool(p);
1270		}
1271
1272	<
1273	<	/**
1274	<	* Constructor throws if corePoolSize argument is less than zero
1272	>	/**
1273	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1274	>	* given a value less the core pool size
1275		*/
1276	<	public void testConstructor16() {
1276	>	public void testMaximumPoolSizeIllegalArgumentException() {
1277	>	ThreadPoolExecutor p =
1278	>	new ThreadPoolExecutor(2, 3,
1279	>	LONG_DELAY_MS, MILLISECONDS,
1280	>	new ArrayBlockingQueue<Runnable>(10));
1281		try {
1282	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1282	>	p.setMaximumPoolSize(1);
1283		shouldThrow();
1284	+	} catch (IllegalArgumentException success) {
1285	+	} finally {
1286	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1287		}
1288	<	catch (IllegalArgumentException success){}
1288	>	joinPool(p);
1289		}
1290
1291	<	/**
1292	<	* Constructor throws if maximumPoolSize is less than zero
1291	>	/**
1292	>	* setMaximumPoolSize throws IllegalArgumentException
1293	>	* if given a negative value
1294		*/
1295	<	public void testConstructor17() {
1295	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1296	>	ThreadPoolExecutor p =
1297	>	new ThreadPoolExecutor(2, 3,
1298	>	LONG_DELAY_MS, MILLISECONDS,
1299	>	new ArrayBlockingQueue<Runnable>(10));
1300		try {
1301	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1301	>	p.setMaximumPoolSize(-1);
1302		shouldThrow();
1303	+	} catch (IllegalArgumentException success) {
1304	+	} finally {
1305	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1306		}
1307	<	catch (IllegalArgumentException success){}
1307	>	joinPool(p);
1308		}
1309
1310	<	/**
1311	<	* Constructor throws if maximumPoolSize is equal to zero
1310	>
1311	>	/**
1312	>	* setKeepAliveTime throws IllegalArgumentException
1313	>	* when given a negative value
1314		*/
1315	<	public void testConstructor18() {
1315	>	public void testKeepAliveTimeIllegalArgumentException() {
1316	>	ThreadPoolExecutor p =
1317	>	new ThreadPoolExecutor(2, 3,
1318	>	LONG_DELAY_MS, MILLISECONDS,
1319	>	new ArrayBlockingQueue<Runnable>(10));
1320		try {
1321	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1321	>	p.setKeepAliveTime(-1,MILLISECONDS);
1322		shouldThrow();
1323	+	} catch (IllegalArgumentException success) {
1324	+	} finally {
1325	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1326		}
1327	<	catch (IllegalArgumentException success){}
1327	>	joinPool(p);
1328		}
1329
1330	<	/**
1331	<	* Constructor throws if keepAliveTime is less than zero
1330	>	/**
1331	>	* terminated() is called on termination
1332		*/
1333	<	public void testConstructor19() {
1333	>	public void testTerminated() {
1334	>	ExtendedTPE p = new ExtendedTPE();
1335	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1336	>	assertTrue(p.terminatedCalled);
1337	>	joinPool(p);
1338	>	}
1339	>
1340	>	/**
1341	>	* beforeExecute and afterExecute are called when executing task
1342	>	*/
1343	>	public void testBeforeAfter() throws InterruptedException {
1344	>	ExtendedTPE p = new ExtendedTPE();
1345	>	try {
1346	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1347	>	p.execute(r);
1348	>	delay(SHORT_DELAY_MS);
1349	>	assertTrue(r.done);
1350	>	assertTrue(p.beforeCalled);
1351	>	assertTrue(p.afterCalled);
1352	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1353	>	} finally {
1354	>	joinPool(p);
1355	>	}
1356	>	}
1357	>
1358	>	/**
1359	>	* completed submit of callable returns result
1360	>	*/
1361	>	public void testSubmitCallable() throws Exception {
1362	>	ExecutorService e =
1363	>	new ThreadPoolExecutor(2, 2,
1364	>	LONG_DELAY_MS, MILLISECONDS,
1365	>	new ArrayBlockingQueue<Runnable>(10));
1366	>	try {
1367	>	Future<String> future = e.submit(new StringTask());
1368	>	String result = future.get();
1369	>	assertSame(TEST_STRING, result);
1370	>	} finally {
1371	>	joinPool(e);
1372	>	}
1373	>	}
1374	>
1375	>	/**
1376	>	* completed submit of runnable returns successfully
1377	>	*/
1378	>	public void testSubmitRunnable() throws Exception {
1379	>	ExecutorService e =
1380	>	new ThreadPoolExecutor(2, 2,
1381	>	LONG_DELAY_MS, MILLISECONDS,
1382	>	new ArrayBlockingQueue<Runnable>(10));
1383		try {
1384	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1384	>	Future<?> future = e.submit(new NoOpRunnable());
1385	>	future.get();
1386	>	assertTrue(future.isDone());
1387	>	} finally {
1388	>	joinPool(e);
1389	>	}
1390	>	}
1391	>
1392	>	/**
1393	>	* completed submit of (runnable, result) returns result
1394	>	*/
1395	>	public void testSubmitRunnable2() throws Exception {
1396	>	ExecutorService e =
1397	>	new ThreadPoolExecutor(2, 2,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400	>	try {
1401	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1402	>	String result = future.get();
1403	>	assertSame(TEST_STRING, result);
1404	>	} finally {
1405	>	joinPool(e);
1406	>	}
1407	>	}
1408	>
1409	>
1410	>	/**
1411	>	* invokeAny(null) throws NPE
1412	>	*/
1413	>	public void testInvokeAny1() throws Exception {
1414	>	ExecutorService e =
1415	>	new ThreadPoolExecutor(2, 2,
1416	>	LONG_DELAY_MS, MILLISECONDS,
1417	>	new ArrayBlockingQueue<Runnable>(10));
1418	>	try {
1419	>	e.invokeAny(null);
1420		shouldThrow();
1421	+	} catch (NullPointerException success) {
1422	+	} finally {
1423	+	joinPool(e);
1424		}
524	–	catch (IllegalArgumentException success){}
1425		}
1426
1427	<	/**
1428	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1427	>	/**
1428	>	* invokeAny(empty collection) throws IAE
1429		*/
1430	<	public void testConstructor20() {
1430	>	public void testInvokeAny2() throws Exception {
1431	>	ExecutorService e =
1432	>	new ThreadPoolExecutor(2, 2,
1433	>	LONG_DELAY_MS, MILLISECONDS,
1434	>	new ArrayBlockingQueue<Runnable>(10));
1435		try {
1436	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1436	>	e.invokeAny(new ArrayList<Callable<String>>());
1437		shouldThrow();
1438	+	} catch (IllegalArgumentException success) {
1439	+	} finally {
1440	+	joinPool(e);
1441		}
535	–	catch (IllegalArgumentException success){}
1442		}
1443
1444	<	/**
1445	<	* Constructor throws if workQueue is set to null
1444	>	/**
1445	>	* invokeAny(c) throws NPE if c has null elements
1446		*/
1447	<	public void testNullPointerException6() {
1447	>	public void testInvokeAny3() throws Exception {
1448	>	final CountDownLatch latch = new CountDownLatch(1);
1449	>	final ExecutorService e =
1450	>	new ThreadPoolExecutor(2, 2,
1451	>	LONG_DELAY_MS, MILLISECONDS,
1452	>	new ArrayBlockingQueue<Runnable>(10));
1453	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1454	>	l.add(latchAwaitingStringTask(latch));
1455	>	l.add(null);
1456		try {
1457	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1457	>	e.invokeAny(l);
1458		shouldThrow();
1459	+	} catch (NullPointerException success) {
1460	+	} finally {
1461	+	latch.countDown();
1462	+	joinPool(e);
1463		}
546	–	catch (NullPointerException success){}
1464		}
1465
1466	<	/**
1467	<	* Constructor throws if handler is set to null
1466	>	/**
1467	>	* invokeAny(c) throws ExecutionException if no task completes
1468		*/
1469	<	public void testNullPointerException7() {
1469	>	public void testInvokeAny4() throws Exception {
1470	>	ExecutorService e =
1471	>	new ThreadPoolExecutor(2, 2,
1472	>	LONG_DELAY_MS, MILLISECONDS,
1473	>	new ArrayBlockingQueue<Runnable>(10));
1474	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1475	>	l.add(new NPETask());
1476		try {
1477	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1477	>	e.invokeAny(l);
1478		shouldThrow();
1479	+	} catch (ExecutionException success) {
1480	+	assertTrue(success.getCause() instanceof NullPointerException);
1481	+	} finally {
1482	+	joinPool(e);
1483		}
558	–	catch (NullPointerException success){}
1484		}
1485
1486	<	/**
1487	<	* Constructor throws if ThreadFactory is set top null
1486	>	/**
1487	>	* invokeAny(c) returns result of some task
1488		*/
1489	<	public void testNullPointerException8() {
1489	>	public void testInvokeAny5() throws Exception {
1490	>	ExecutorService e =
1491	>	new ThreadPoolExecutor(2, 2,
1492	>	LONG_DELAY_MS, MILLISECONDS,
1493	>	new ArrayBlockingQueue<Runnable>(10));
1494		try {
1495	<	ThreadFactory f = null;
1496	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1495	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1496	>	l.add(new StringTask());
1497	>	l.add(new StringTask());
1498	>	String result = e.invokeAny(l);
1499	>	assertSame(TEST_STRING, result);
1500	>	} finally {
1501	>	joinPool(e);
1502	>	}
1503	>	}
1504	>
1505	>	/**
1506	>	* invokeAll(null) throws NPE
1507	>	*/
1508	>	public void testInvokeAll1() throws Exception {
1509	>	ExecutorService e =
1510	>	new ThreadPoolExecutor(2, 2,
1511	>	LONG_DELAY_MS, MILLISECONDS,
1512	>	new ArrayBlockingQueue<Runnable>(10));
1513	>	try {
1514	>	e.invokeAll(null);
1515		shouldThrow();
1516	+	} catch (NullPointerException success) {
1517	+	} finally {
1518	+	joinPool(e);
1519		}
570	–	catch (NullPointerException successdn8){}
1520		}
572	–
1521
1522		/**
1523	<	*  execute throws RejectedExecutionException if shutdown
1523	>	* invokeAll(empty collection) returns empty collection
1524		*/
1525	<	public void testRejectedExecutionException() {
1526	<	ThreadPoolExecutor tpe = null;
1525	>	public void testInvokeAll2() throws InterruptedException {
1526	>	ExecutorService e =
1527	>	new ThreadPoolExecutor(2, 2,
1528	>	LONG_DELAY_MS, MILLISECONDS,
1529	>	new ArrayBlockingQueue<Runnable>(10));
1530		try {
1531	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1532	<	} catch(Exception e){}
1533	<	tpe.shutdown();
1534	<	try {
1535	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1531	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1532	>	assertTrue(r.isEmpty());
1533	>	} finally {
1534	>	joinPool(e);
1535	>	}
1536		}
1537
1538		/**
1539	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1539	>	* invokeAll(c) throws NPE if c has null elements
1540		*/
1541	<	public void testSaturatedExecute() {
1542	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1541	>	public void testInvokeAll3() throws Exception {
1542	>	ExecutorService e =
1543	>	new ThreadPoolExecutor(2, 2,
1544	>	LONG_DELAY_MS, MILLISECONDS,
1545	>	new ArrayBlockingQueue<Runnable>(10));
1546	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1547	>	l.add(new StringTask());
1548	>	l.add(null);
1549	>	try {
1550	>	e.invokeAll(l);
1551	>	shouldThrow();
1552	>	} catch (NullPointerException success) {
1553	>	} finally {
1554	>	joinPool(e);
1555	>	}
1556	>	}
1557	>
1558	>	/**
1559	>	* get of element of invokeAll(c) throws exception on failed task
1560	>	*/
1561	>	public void testInvokeAll4() throws Exception {
1562	>	ExecutorService e =
1563	>	new ThreadPoolExecutor(2, 2,
1564	>	LONG_DELAY_MS, MILLISECONDS,
1565	>	new ArrayBlockingQueue<Runnable>(10));
1566		try {
1567	<
1568	<	for(int i = 0; i < 5; ++i){
1569	<	p.execute(new MediumRunnable());
1567	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1568	>	l.add(new NPETask());
1569	>	List<Future<String>> futures = e.invokeAll(l);
1570	>	assertEquals(1, futures.size());
1571	>	try {
1572	>	futures.get(0).get();
1573	>	shouldThrow();
1574	>	} catch (ExecutionException success) {
1575	>	assertTrue(success.getCause() instanceof NullPointerException);
1576		}
1577	+	} finally {
1578	+	joinPool(e);
1579	+	}
1580	+	}
1581	+
1582	+	/**
1583	+	* invokeAll(c) returns results of all completed tasks
1584	+	*/
1585	+	public void testInvokeAll5() throws Exception {
1586	+	ExecutorService e =
1587	+	new ThreadPoolExecutor(2, 2,
1588	+	LONG_DELAY_MS, MILLISECONDS,
1589	+	new ArrayBlockingQueue<Runnable>(10));
1590	+	try {
1591	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1592	+	l.add(new StringTask());
1593	+	l.add(new StringTask());
1594	+	List<Future<String>> futures = e.invokeAll(l);
1595	+	assertEquals(2, futures.size());
1596	+	for (Future<String> future : futures)
1597	+	assertSame(TEST_STRING, future.get());
1598	+	} finally {
1599	+	joinPool(e);
1600	+	}
1601	+	}
1602	+
1603	+
1604	+
1605	+	/**
1606	+	* timed invokeAny(null) throws NPE
1607	+	*/
1608	+	public void testTimedInvokeAny1() throws Exception {
1609	+	ExecutorService e =
1610	+	new ThreadPoolExecutor(2, 2,
1611	+	LONG_DELAY_MS, MILLISECONDS,
1612	+	new ArrayBlockingQueue<Runnable>(10));
1613	+	try {
1614	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1615		shouldThrow();
1616	<	} catch(RejectedExecutionException success){}
1617	<	joinPool(p);
1616	>	} catch (NullPointerException success) {
1617	>	} finally {
1618	>	joinPool(e);
1619	>	}
1620		}
1621
1622		/**
1623	<	*  execute (null) throws NPE
1623	>	* timed invokeAny(,,null) throws NPE
1624		*/
1625	<	public void testExecuteNull() {
1626	<	ThreadPoolExecutor tpe = null;
1625	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1626	>	ExecutorService e =
1627	>	new ThreadPoolExecutor(2, 2,
1628	>	LONG_DELAY_MS, MILLISECONDS,
1629	>	new ArrayBlockingQueue<Runnable>(10));
1630	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1631	>	l.add(new StringTask());
1632		try {
1633	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1633	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1634		shouldThrow();
1635	<	} catch(NullPointerException success){}
1636	<
1637	<	joinPool(tpe);
1635	>	} catch (NullPointerException success) {
1636	>	} finally {
1637	>	joinPool(e);
1638	>	}
1639		}
1640	<
1640	>
1641		/**
1642	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1642	>	* timed invokeAny(empty collection) throws IAE
1643		*/
1644	<	public void testCorePoolSizeIllegalArgumentException() {
1645	<	ThreadPoolExecutor tpe = null;
1646	<	try {
1647	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1648	<	} 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;
1644	>	public void testTimedInvokeAny2() throws Exception {
1645	>	ExecutorService e =
1646	>	new ThreadPoolExecutor(2, 2,
1647	>	LONG_DELAY_MS, MILLISECONDS,
1648	>	new ArrayBlockingQueue<Runnable>(10));
1649		try {
1650	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1651	<	} catch(Exception e){}
1650	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1651	>	shouldThrow();
1652	>	} catch (IllegalArgumentException success) {
1653	>	} finally {
1654	>	joinPool(e);
1655	>	}
1656	>	}
1657	>
1658	>	/**
1659	>	* timed invokeAny(c) throws NPE if c has null elements
1660	>	*/
1661	>	public void testTimedInvokeAny3() throws Exception {
1662	>	final CountDownLatch latch = new CountDownLatch(1);
1663	>	final ExecutorService e =
1664	>	new ThreadPoolExecutor(2, 2,
1665	>	LONG_DELAY_MS, MILLISECONDS,
1666	>	new ArrayBlockingQueue<Runnable>(10));
1667	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1668	>	l.add(latchAwaitingStringTask(latch));
1669	>	l.add(null);
1670		try {
1671	<	tpe.setMaximumPoolSize(1);
1671	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1672		shouldThrow();
1673	<	} catch(IllegalArgumentException success){
1673	>	} catch (NullPointerException success) {
1674		} finally {
1675	<	tpe.shutdown();
1675	>	latch.countDown();
1676	>	joinPool(e);
1677		}
655	–	joinPool(tpe);
1678		}
1679	<
1679	>
1680		/**
1681	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1681	>	* timed invokeAny(c) throws ExecutionException if no task completes
1682		*/
1683	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1684	<	ThreadPoolExecutor tpe = null;
1683	>	public void testTimedInvokeAny4() throws Exception {
1684	>	ExecutorService e =
1685	>	new ThreadPoolExecutor(2, 2,
1686	>	LONG_DELAY_MS, MILLISECONDS,
1687	>	new ArrayBlockingQueue<Runnable>(10));
1688	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1689	>	l.add(new NPETask());
1690		try {
1691	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1692	<	} catch(Exception e){}
1691	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1692	>	shouldThrow();
1693	>	} catch (ExecutionException success) {
1694	>	assertTrue(success.getCause() instanceof NullPointerException);
1695	>	} finally {
1696	>	joinPool(e);
1697	>	}
1698	>	}
1699	>
1700	>	/**
1701	>	* timed invokeAny(c) returns result of some task
1702	>	*/
1703	>	public void testTimedInvokeAny5() throws Exception {
1704	>	ExecutorService e =
1705	>	new ThreadPoolExecutor(2, 2,
1706	>	LONG_DELAY_MS, MILLISECONDS,
1707	>	new ArrayBlockingQueue<Runnable>(10));
1708		try {
1709	<	tpe.setMaximumPoolSize(-1);
1709	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1710	>	l.add(new StringTask());
1711	>	l.add(new StringTask());
1712	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1713	>	assertSame(TEST_STRING, result);
1714	>	} finally {
1715	>	joinPool(e);
1716	>	}
1717	>	}
1718	>
1719	>	/**
1720	>	* timed invokeAll(null) throws NPE
1721	>	*/
1722	>	public void testTimedInvokeAll1() throws Exception {
1723	>	ExecutorService e =
1724	>	new ThreadPoolExecutor(2, 2,
1725	>	LONG_DELAY_MS, MILLISECONDS,
1726	>	new ArrayBlockingQueue<Runnable>(10));
1727	>	try {
1728	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1729		shouldThrow();
1730	<	} catch(IllegalArgumentException success){
1730	>	} catch (NullPointerException success) {
1731		} finally {
1732	<	tpe.shutdown();
1732	>	joinPool(e);
1733		}
674	–	joinPool(tpe);
1734		}
676	–
1735
1736		/**
1737	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1737	>	* timed invokeAll(,,null) throws NPE
1738		*/
1739	<	public void testKeepAliveTimeIllegalArgumentException() {
1740	<	ThreadPoolExecutor tpe = null;
1739	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1740	>	ExecutorService e =
1741	>	new ThreadPoolExecutor(2, 2,
1742	>	LONG_DELAY_MS, MILLISECONDS,
1743	>	new ArrayBlockingQueue<Runnable>(10));
1744	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1745	>	l.add(new StringTask());
1746	>	try {
1747	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1748	>	shouldThrow();
1749	>	} catch (NullPointerException success) {
1750	>	} finally {
1751	>	joinPool(e);
1752	>	}
1753	>	}
1754	>
1755	>	/**
1756	>	* timed invokeAll(empty collection) returns empty collection
1757	>	*/
1758	>	public void testTimedInvokeAll2() throws InterruptedException {
1759	>	ExecutorService e =
1760	>	new ThreadPoolExecutor(2, 2,
1761	>	LONG_DELAY_MS, MILLISECONDS,
1762	>	new ArrayBlockingQueue<Runnable>(10));
1763		try {
1764	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1765	<	} catch(Exception e){}
1766	<
1767	<	try {
1768	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1764	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1765	>	assertTrue(r.isEmpty());
1766	>	} finally {
1767	>	joinPool(e);
1768	>	}
1769	>	}
1770	>
1771	>	/**
1772	>	* timed invokeAll(c) throws NPE if c has null elements
1773	>	*/
1774	>	public void testTimedInvokeAll3() throws Exception {
1775	>	ExecutorService e =
1776	>	new ThreadPoolExecutor(2, 2,
1777	>	LONG_DELAY_MS, MILLISECONDS,
1778	>	new ArrayBlockingQueue<Runnable>(10));
1779	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1780	>	l.add(new StringTask());
1781	>	l.add(null);
1782	>	try {
1783	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1784	>	shouldThrow();
1785	>	} catch (NullPointerException success) {
1786	>	} finally {
1787	>	joinPool(e);
1788	>	}
1789	>	}
1790	>
1791	>	/**
1792	>	* get of element of invokeAll(c) throws exception on failed task
1793	>	*/
1794	>	public void testTimedInvokeAll4() throws Exception {
1795	>	ExecutorService e =
1796	>	new ThreadPoolExecutor(2, 2,
1797	>	LONG_DELAY_MS, MILLISECONDS,
1798	>	new ArrayBlockingQueue<Runnable>(10));
1799	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1800	>	l.add(new NPETask());
1801	>	List<Future<String>> futures =
1802	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1803	>	assertEquals(1, futures.size());
1804	>	try {
1805	>	futures.get(0).get();
1806		shouldThrow();
1807	<	} catch(IllegalArgumentException success){
1807	>	} catch (ExecutionException success) {
1808	>	assertTrue(success.getCause() instanceof NullPointerException);
1809	>	} finally {
1810	>	joinPool(e);
1811	>	}
1812	>	}
1813	>
1814	>	/**
1815	>	* timed invokeAll(c) returns results of all completed tasks
1816	>	*/
1817	>	public void testTimedInvokeAll5() throws Exception {
1818	>	ExecutorService e =
1819	>	new ThreadPoolExecutor(2, 2,
1820	>	LONG_DELAY_MS, MILLISECONDS,
1821	>	new ArrayBlockingQueue<Runnable>(10));
1822	>	try {
1823	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1824	>	l.add(new StringTask());
1825	>	l.add(new StringTask());
1826	>	List<Future<String>> futures =
1827	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1828	>	assertEquals(2, futures.size());
1829	>	for (Future<String> future : futures)
1830	>	assertSame(TEST_STRING, future.get());
1831	>	} finally {
1832	>	joinPool(e);
1833	>	}
1834	>	}
1835	>
1836	>	/**
1837	>	* timed invokeAll(c) cancels tasks not completed by timeout
1838	>	*/
1839	>	public void testTimedInvokeAll6() throws Exception {
1840	>	ExecutorService e =
1841	>	new ThreadPoolExecutor(2, 2,
1842	>	LONG_DELAY_MS, MILLISECONDS,
1843	>	new ArrayBlockingQueue<Runnable>(10));
1844	>	try {
1845	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1846	>	l.add(new StringTask());
1847	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1848	>	l.add(new StringTask());
1849	>	List<Future<String>> futures =
1850	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1851	>	assertEquals(3, futures.size());
1852	>	Iterator<Future<String>> it = futures.iterator();
1853	>	Future<String> f1 = it.next();
1854	>	Future<String> f2 = it.next();
1855	>	Future<String> f3 = it.next();
1856	>	assertTrue(f1.isDone());
1857	>	assertTrue(f2.isDone());
1858	>	assertTrue(f3.isDone());
1859	>	assertFalse(f1.isCancelled());
1860	>	assertTrue(f2.isCancelled());
1861		} finally {
1862	<	tpe.shutdown();
1862	>	joinPool(e);
1863		}
695	–	joinPool(tpe);
1864		}
1865	<
1865	>
1866	>	/**
1867	>	* Execution continues if there is at least one thread even if
1868	>	* thread factory fails to create more
1869	>	*/
1870	>	public void testFailingThreadFactory() throws InterruptedException {
1871	>	final ExecutorService e =
1872	>	new ThreadPoolExecutor(100, 100,
1873	>	LONG_DELAY_MS, MILLISECONDS,
1874	>	new LinkedBlockingQueue<Runnable>(),
1875	>	new FailingThreadFactory());
1876	>	try {
1877	>	final int TASKS = 100;
1878	>	final CountDownLatch done = new CountDownLatch(TASKS);
1879	>	for (int k = 0; k < TASKS; ++k)
1880	>	e.execute(new CheckedRunnable() {
1881	>	public void realRun() {
1882	>	done.countDown();
1883	>	}});
1884	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1885	>	} finally {
1886	>	joinPool(e);
1887	>	}
1888	>	}
1889	>
1890	>	/**
1891	>	* allowsCoreThreadTimeOut is by default false.
1892	>	*/
1893	>	public void testAllowsCoreThreadTimeOut() {
1894	>	final ThreadPoolExecutor p =
1895	>	new ThreadPoolExecutor(2, 2,
1896	>	1000, MILLISECONDS,
1897	>	new ArrayBlockingQueue<Runnable>(10));
1898	>	assertFalse(p.allowsCoreThreadTimeOut());
1899	>	joinPool(p);
1900	>	}
1901	>
1902	>	/**
1903	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1904	>	*/
1905	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1906	>	final ThreadPoolExecutor p =
1907	>	new ThreadPoolExecutor(2, 10,
1908	>	SHORT_DELAY_MS, MILLISECONDS,
1909	>	new ArrayBlockingQueue<Runnable>(10));
1910	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1911	>	try {
1912	>	p.allowCoreThreadTimeOut(true);
1913	>	p.execute(new CheckedRunnable() {
1914	>	public void realRun() throws InterruptedException {
1915	>	threadStarted.countDown();
1916	>	assertEquals(1, p.getPoolSize());
1917	>	}});
1918	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1919	>	for (int i = 0; i < (MEDIUM_DELAY_MS/10); i++) {
1920	>	if (p.getPoolSize() == 0)
1921	>	break;
1922	>	delay(10);
1923	>	}
1924	>	assertEquals(0, p.getPoolSize());
1925	>	} finally {
1926	>	joinPool(p);
1927	>	}
1928	>	}
1929	>
1930	>	/**
1931	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1932	>	*/
1933	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1934	>	final ThreadPoolExecutor p =
1935	>	new ThreadPoolExecutor(2, 10,
1936	>	SHORT_DELAY_MS, 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(SMALL_DELAY_MS);
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	>	p.shutdown();
1981	>	}
1982	>	}
1983	>
1984		}

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