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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.44 by jsr166, Fri May 27 19:35:24 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 TestCase{
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		}
16	–
17	–
19		public static Test suite() {
20		return new TestSuite(ThreadPoolExecutorTest.class);
21		}
21	–
22	–	private static long SHORT_DELAY_MS = 100;
23	–	private static long MEDIUM_DELAY_MS = 1000;
24	–	private static long LONG_DELAY_MS = 10000;
25	–
26	–	//---- testThread class to implement ThreadFactory for use in constructors
27	–	static class testThread implements ThreadFactory{
28	–	public Thread newThread(Runnable r){
29	–	return new Thread(r);
30	–	}
31	–	}
22
23	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
24	<	static class testReject implements RejectedExecutionHandler{
25	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
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	<	public Runnable newRunnable(){
42	<	return new Runnable(){
43	<	public void run(){
44	<	try{Thread.sleep(MEDIUM_DELAY_MS);
45	<	} catch(Exception e){
46	<	}
44	<	}
45	<	};
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
48	–
49		/**
50	<	*  Test to verify that execute successfully executes a runnable
50	>	* execute successfully executes a runnable
51		*/
52	<	public void testExecute(){
53	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
52	>	public void testExecute() throws InterruptedException {
53	>	final ThreadPoolExecutor p =
54	>	new ThreadPoolExecutor(1, 1,
55	>	LONG_DELAY_MS, MILLISECONDS,
56	>	new ArrayBlockingQueue<Runnable>(10));
57	>	final CountDownLatch done = new CountDownLatch(1);
58	>	final Runnable task = new CheckedRunnable() {
59	>	public void realRun() {
60	>	done.countDown();
61	>	}};
62		try {
63	<	one.execute(new Runnable(){
64	<	public void run(){
57	<	try{
58	<	Thread.sleep(SHORT_DELAY_MS);
59	<	}catch(InterruptedException e){
60	<	fail("unexpected exception");
61	<	}
62	<	}
63	<	});
64	<	Thread.sleep(SHORT_DELAY_MS * 2);
65	<	}catch(InterruptedException e){
66	<	fail("unexpected exception");
63	>	p.execute(task);
64	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
65		} finally {
66	<	one.shutdown();
66	>	joinPool(p);
67		}
68		}
69
70		/**
71	<	*  Test to verify getActiveCount gives correct values
71	>	* getActiveCount increases but doesn't overestimate, when a
72	>	* thread becomes active
73		*/
74	<	public void testGetActiveCount(){
75	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
74	>	public void testGetActiveCount() throws InterruptedException {
75	>	final ThreadPoolExecutor p =
76	>	new ThreadPoolExecutor(2, 2,
77	>	LONG_DELAY_MS, MILLISECONDS,
78	>	new ArrayBlockingQueue<Runnable>(10));
79	>	final CountDownLatch threadStarted = new CountDownLatch(1);
80	>	final CountDownLatch done = new CountDownLatch(1);
81		try {
82	<	assertEquals(0, two.getActiveCount());
83	<	two.execute(newRunnable());
84	<	try{Thread.sleep(10);}catch(Exception e){}
85	<	assertEquals(1, two.getActiveCount());
82	>	assertEquals(0, p.getActiveCount());
83	>	p.execute(new CheckedRunnable() {
84	>	public void realRun() throws InterruptedException {
85	>	threadStarted.countDown();
86	>	assertEquals(1, p.getActiveCount());
87	>	done.await();
88	>	}});
89	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
90	>	assertEquals(1, p.getActiveCount());
91		} finally {
92	<	two.shutdown();
92	>	done.countDown();
93	>	joinPool(p);
94		}
95		}
96	<
96	>
97		/**
98	<	*  Test to verify getCompleteTaskCount gives correct values
98	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
99		*/
100	<	public void testGetCompletedTaskCount(){
101	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
100	>	public void testPrestartCoreThread() {
101	>	final ThreadPoolExecutor p =
102	>	new ThreadPoolExecutor(2, 2,
103	>	LONG_DELAY_MS, MILLISECONDS,
104	>	new ArrayBlockingQueue<Runnable>(10));
105	>	assertEquals(0, p.getPoolSize());
106	>	assertTrue(p.prestartCoreThread());
107	>	assertEquals(1, p.getPoolSize());
108	>	assertTrue(p.prestartCoreThread());
109	>	assertEquals(2, p.getPoolSize());
110	>	assertFalse(p.prestartCoreThread());
111	>	assertEquals(2, p.getPoolSize());
112	>	joinPool(p);
113	>	}
114	>
115	>	/**
116	>	* prestartAllCoreThreads starts all corePoolSize threads
117	>	*/
118	>	public void testPrestartAllCoreThreads() {
119	>	final ThreadPoolExecutor p =
120	>	new ThreadPoolExecutor(2, 2,
121	>	LONG_DELAY_MS, MILLISECONDS,
122	>	new ArrayBlockingQueue<Runnable>(10));
123	>	assertEquals(0, p.getPoolSize());
124	>	p.prestartAllCoreThreads();
125	>	assertEquals(2, p.getPoolSize());
126	>	p.prestartAllCoreThreads();
127	>	assertEquals(2, p.getPoolSize());
128	>	joinPool(p);
129	>	}
130	>
131	>	/**
132	>	* getCompletedTaskCount increases, but doesn't overestimate,
133	>	* when tasks complete
134	>	*/
135	>	public void testGetCompletedTaskCount() throws InterruptedException {
136	>	final ThreadPoolExecutor p =
137	>	new ThreadPoolExecutor(2, 2,
138	>	LONG_DELAY_MS, MILLISECONDS,
139	>	new ArrayBlockingQueue<Runnable>(10));
140	>	final CountDownLatch threadStarted = new CountDownLatch(1);
141	>	final CountDownLatch threadProceed = new CountDownLatch(1);
142	>	final CountDownLatch threadDone = new CountDownLatch(1);
143		try {
144	<	assertEquals(0, two.getCompletedTaskCount());
145	<	two.execute(newRunnable());
146	<	try{Thread.sleep(2000);}catch(Exception e){}
147	<	assertEquals(1, two.getCompletedTaskCount());
144	>	assertEquals(0, p.getCompletedTaskCount());
145	>	p.execute(new CheckedRunnable() {
146	>	public void realRun() throws InterruptedException {
147	>	threadStarted.countDown();
148	>	assertEquals(0, p.getCompletedTaskCount());
149	>	threadProceed.await();
150	>	threadDone.countDown();
151	>	}});
152	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
153	>	assertEquals(0, p.getCompletedTaskCount());
154	>	threadProceed.countDown();
155	>	threadDone.await();
156	>	delay(SHORT_DELAY_MS);
157	>	assertEquals(1, p.getCompletedTaskCount());
158		} finally {
159	<	two.shutdown();
159	>	joinPool(p);
160		}
161		}
162	<
162	>
163	>	/**
164	>	* getCorePoolSize returns size given in constructor if not otherwise set
165	>	*/
166	>	public void testGetCorePoolSize() {
167	>	final ThreadPoolExecutor p =
168	>	new ThreadPoolExecutor(1, 1,
169	>	LONG_DELAY_MS, MILLISECONDS,
170	>	new ArrayBlockingQueue<Runnable>(10));
171	>	assertEquals(1, p.getCorePoolSize());
172	>	joinPool(p);
173	>	}
174	>
175	>	/**
176	>	* getKeepAliveTime returns value given in constructor if not otherwise set
177	>	*/
178	>	public void testGetKeepAliveTime() {
179	>	final ThreadPoolExecutor p =
180	>	new ThreadPoolExecutor(2, 2,
181	>	1000, MILLISECONDS,
182	>	new ArrayBlockingQueue<Runnable>(10));
183	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
184	>	joinPool(p);
185	>	}
186	>
187	>	/**
188	>	* getThreadFactory returns factory in constructor if not set
189	>	*/
190	>	public void testGetThreadFactory() {
191	>	ThreadFactory tf = new SimpleThreadFactory();
192	>	final ThreadPoolExecutor p =
193	>	new ThreadPoolExecutor(1, 2,
194	>	LONG_DELAY_MS, MILLISECONDS,
195	>	new ArrayBlockingQueue<Runnable>(10),
196	>	tf,
197	>	new NoOpREHandler());
198	>	assertSame(tf, p.getThreadFactory());
199	>	joinPool(p);
200	>	}
201	>
202	>	/**
203	>	* setThreadFactory sets the thread factory returned by getThreadFactory
204	>	*/
205	>	public void testSetThreadFactory() {
206	>	final ThreadPoolExecutor p =
207	>	new ThreadPoolExecutor(1, 2,
208	>	LONG_DELAY_MS, MILLISECONDS,
209	>	new ArrayBlockingQueue<Runnable>(10));
210	>	ThreadFactory tf = new SimpleThreadFactory();
211	>	p.setThreadFactory(tf);
212	>	assertSame(tf, p.getThreadFactory());
213	>	joinPool(p);
214	>	}
215	>
216		/**
217	<	*  Test to verify getCorePoolSize gives correct values
217	>	* setThreadFactory(null) throws NPE
218		*/
219	<	public void testGetCorePoolSize(){
220	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
219	>	public void testSetThreadFactoryNull() {
220	>	final ThreadPoolExecutor p =
221	>	new ThreadPoolExecutor(1, 2,
222	>	LONG_DELAY_MS, MILLISECONDS,
223	>	new ArrayBlockingQueue<Runnable>(10));
224		try {
225	<	assertEquals(1, one.getCorePoolSize());
225	>	p.setThreadFactory(null);
226	>	shouldThrow();
227	>	} catch (NullPointerException success) {
228		} finally {
229	<	one.shutdown();
229	>	joinPool(p);
230		}
231		}
232	<
232	>
233	>	/**
234	>	* getRejectedExecutionHandler returns handler in constructor if not set
235	>	*/
236	>	public void testGetRejectedExecutionHandler() {
237	>	final RejectedExecutionHandler h = new NoOpREHandler();
238	>	final ThreadPoolExecutor p =
239	>	new ThreadPoolExecutor(1, 2,
240	>	LONG_DELAY_MS, MILLISECONDS,
241	>	new ArrayBlockingQueue<Runnable>(10),
242	>	h);
243	>	assertSame(h, p.getRejectedExecutionHandler());
244	>	joinPool(p);
245	>	}
246	>
247	>	/**
248	>	* setRejectedExecutionHandler sets the handler returned by
249	>	* getRejectedExecutionHandler
250	>	*/
251	>	public void testSetRejectedExecutionHandler() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	RejectedExecutionHandler h = new NoOpREHandler();
257	>	p.setRejectedExecutionHandler(h);
258	>	assertSame(h, p.getRejectedExecutionHandler());
259	>	joinPool(p);
260	>	}
261	>
262		/**
263	<	*  Test to verify getKeepAliveTime gives correct values
263	>	* setRejectedExecutionHandler(null) throws NPE
264		*/
265	<	public void testGetKeepAliveTime(){
266	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
265	>	public void testSetRejectedExecutionHandlerNull() {
266	>	final ThreadPoolExecutor p =
267	>	new ThreadPoolExecutor(1, 2,
268	>	LONG_DELAY_MS, MILLISECONDS,
269	>	new ArrayBlockingQueue<Runnable>(10));
270		try {
271	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
271	>	p.setRejectedExecutionHandler(null);
272	>	shouldThrow();
273	>	} catch (NullPointerException success) {
274		} finally {
275	<	two.shutdown();
275	>	joinPool(p);
276		}
277		}
278	<
278	>
279		/**
280	<	*  Test to verify getLargestPoolSize gives correct values
280	>	* getLargestPoolSize increases, but doesn't overestimate, when
281	>	* multiple threads active
282		*/
283	<	public void testGetLargestPoolSize(){
284	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
283	>	public void testGetLargestPoolSize() throws InterruptedException {
284	>	final int THREADS = 3;
285	>	final ThreadPoolExecutor p =
286	>	new ThreadPoolExecutor(THREADS, THREADS,
287	>	LONG_DELAY_MS, MILLISECONDS,
288	>	new ArrayBlockingQueue<Runnable>(10));
289	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
290	>	final CountDownLatch done = new CountDownLatch(1);
291		try {
292	<	assertEquals(0, two.getLargestPoolSize());
293	<	two.execute(newRunnable());
294	<	two.execute(newRunnable());
295	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
296	<	assertEquals(2, two.getLargestPoolSize());
292	>	assertEquals(0, p.getLargestPoolSize());
293	>	for (int i = 0; i < THREADS; i++)
294	>	p.execute(new CheckedRunnable() {
295	>	public void realRun() throws InterruptedException {
296	>	threadsStarted.countDown();
297	>	done.await();
298	>	assertEquals(THREADS, p.getLargestPoolSize());
299	>	}});
300	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
301	>	assertEquals(THREADS, p.getLargestPoolSize());
302		} finally {
303	<	two.shutdown();
303	>	done.countDown();
304	>	joinPool(p);
305	>	assertEquals(THREADS, p.getLargestPoolSize());
306		}
307		}
308	<
308	>
309	>	/**
310	>	* getMaximumPoolSize returns value given in constructor if not
311	>	* otherwise set
312	>	*/
313	>	public void testGetMaximumPoolSize() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(2, 3,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	assertEquals(3, p.getMaximumPoolSize());
319	>	joinPool(p);
320	>	}
321	>
322		/**
323	<	*  Test to verify getMaximumPoolSize gives correct values
323	>	* getPoolSize increases, but doesn't overestimate, when threads
324	>	* become active
325		*/
326	<	public void testGetMaximumPoolSize(){
327	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
326	>	public void testGetPoolSize() throws InterruptedException {
327	>	final ThreadPoolExecutor p =
328	>	new ThreadPoolExecutor(1, 1,
329	>	LONG_DELAY_MS, MILLISECONDS,
330	>	new ArrayBlockingQueue<Runnable>(10));
331	>	final CountDownLatch threadStarted = new CountDownLatch(1);
332	>	final CountDownLatch done = new CountDownLatch(1);
333		try {
334	<	assertEquals(2, two.getMaximumPoolSize());
334	>	assertEquals(0, p.getPoolSize());
335	>	p.execute(new CheckedRunnable() {
336	>	public void realRun() throws InterruptedException {
337	>	threadStarted.countDown();
338	>	assertEquals(1, p.getPoolSize());
339	>	done.await();
340	>	}});
341	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
342	>	assertEquals(1, p.getPoolSize());
343		} finally {
344	<	two.shutdown();
344	>	done.countDown();
345	>	joinPool(p);
346		}
347		}
348	<
348	>
349		/**
350	<	*  Test to verify getPoolSize gives correct values
350	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
351		*/
352	<	public void testGetPoolSize(){
353	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
354	<	try {
355	<	assertEquals(0, one.getPoolSize());
356	<	one.execute(newRunnable());
357	<	assertEquals(1, one.getPoolSize());
352	>	public void testGetTaskCount() throws InterruptedException {
353	>	final ThreadPoolExecutor p =
354	>	new ThreadPoolExecutor(1, 1,
355	>	LONG_DELAY_MS, MILLISECONDS,
356	>	new ArrayBlockingQueue<Runnable>(10));
357	>	final CountDownLatch threadStarted = new CountDownLatch(1);
358	>	final CountDownLatch done = new CountDownLatch(1);
359	>	try {
360	>	assertEquals(0, p.getTaskCount());
361	>	p.execute(new CheckedRunnable() {
362	>	public void realRun() throws InterruptedException {
363	>	threadStarted.countDown();
364	>	assertEquals(1, p.getTaskCount());
365	>	done.await();
366	>	}});
367	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
368	>	assertEquals(1, p.getTaskCount());
369		} finally {
370	<	one.shutdown();
370	>	done.countDown();
371	>	joinPool(p);
372		}
373		}
374	<
374	>
375		/**
376	<	*  Test to verify getTaskCount gives correct values
376	>	* isShutdown is false before shutdown, true after
377		*/
378	<	public void testGetTaskCount(){
379	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
378	>	public void testIsShutdown() {
379	>	final ThreadPoolExecutor p =
380	>	new ThreadPoolExecutor(1, 1,
381	>	LONG_DELAY_MS, MILLISECONDS,
382	>	new ArrayBlockingQueue<Runnable>(10));
383	>	assertFalse(p.isShutdown());
384	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
385	>	assertTrue(p.isShutdown());
386	>	joinPool(p);
387	>	}
388	>
389	>	/**
390	>	* isTerminated is false before termination, true after
391	>	*/
392	>	public void testIsTerminated() throws InterruptedException {
393	>	final ThreadPoolExecutor p =
394	>	new ThreadPoolExecutor(1, 1,
395	>	LONG_DELAY_MS, MILLISECONDS,
396	>	new ArrayBlockingQueue<Runnable>(10));
397	>	final CountDownLatch threadStarted = new CountDownLatch(1);
398	>	final CountDownLatch done = new CountDownLatch(1);
399	>	assertFalse(p.isTerminated());
400		try {
401	<	assertEquals(0, one.getTaskCount());
402	<	for(int i = 0; i < 5; i++)
403	<	one.execute(newRunnable());
404	<	try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
405	<	assertEquals(5, one.getTaskCount());
401	>	p.execute(new CheckedRunnable() {
402	>	public void realRun() throws InterruptedException {
403	>	assertFalse(p.isTerminated());
404	>	threadStarted.countDown();
405	>	done.await();
406	>	}});
407	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
408	>	assertFalse(p.isTerminating());
409	>	done.countDown();
410		} finally {
411	<	one.shutdown();
411	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
412		}
413	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
414	+	assertTrue(p.isTerminated());
415		}
416	<
416	>
417		/**
418	<	*  Test to verify isShutDown gives correct values
418	>	* isTerminating is not true when running or when terminated
419		*/
420	<	public void testIsShutdown(){
421	<
422	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
420	>	public void testIsTerminating() throws InterruptedException {
421	>	final ThreadPoolExecutor p =
422	>	new ThreadPoolExecutor(1, 1,
423	>	LONG_DELAY_MS, MILLISECONDS,
424	>	new ArrayBlockingQueue<Runnable>(10));
425	>	final CountDownLatch threadStarted = new CountDownLatch(1);
426	>	final CountDownLatch done = new CountDownLatch(1);
427		try {
428	<	assertFalse(one.isShutdown());
428	>	assertFalse(p.isTerminating());
429	>	p.execute(new CheckedRunnable() {
430	>	public void realRun() throws InterruptedException {
431	>	assertFalse(p.isTerminating());
432	>	threadStarted.countDown();
433	>	done.await();
434	>	}});
435	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
436	>	assertFalse(p.isTerminating());
437	>	done.countDown();
438	>	} finally {
439	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
440		}
441	<	finally {
442	<	one.shutdown();
441	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
442	>	assertTrue(p.isTerminated());
443	>	assertFalse(p.isTerminating());
444	>	}
445	>
446	>	/**
447	>	* getQueue returns the work queue, which contains queued tasks
448	>	*/
449	>	public void testGetQueue() throws InterruptedException {
450	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
451	>	final ThreadPoolExecutor p =
452	>	new ThreadPoolExecutor(1, 1,
453	>	LONG_DELAY_MS, MILLISECONDS,
454	>	q);
455	>	final CountDownLatch threadStarted = new CountDownLatch(1);
456	>	final CountDownLatch done = new CountDownLatch(1);
457	>	try {
458	>	FutureTask[] tasks = new FutureTask[5];
459	>	for (int i = 0; i < tasks.length; i++) {
460	>	Callable task = new CheckedCallable<Boolean>() {
461	>	public Boolean realCall() throws InterruptedException {
462	>	threadStarted.countDown();
463	>	assertSame(q, p.getQueue());
464	>	done.await();
465	>	return Boolean.TRUE;
466	>	}};
467	>	tasks[i] = new FutureTask(task);
468	>	p.execute(tasks[i]);
469	>	}
470	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
471	>	assertSame(q, p.getQueue());
472	>	assertFalse(q.contains(tasks[0]));
473	>	assertTrue(q.contains(tasks[tasks.length - 1]));
474	>	assertEquals(tasks.length - 1, q.size());
475	>	} finally {
476	>	done.countDown();
477	>	joinPool(p);
478		}
196	–	assertTrue(one.isShutdown());
479		}
480
199	–
481		/**
482	<	*  Test to verify isTerminated gives correct values
202	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
482	>	* remove(task) removes queued task, and fails to remove active task
483		*/
484	<	public void testIsTerminated(){
485	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
484	>	public void testRemove() throws InterruptedException {
485	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
486	>	final ThreadPoolExecutor p =
487	>	new ThreadPoolExecutor(1, 1,
488	>	LONG_DELAY_MS, MILLISECONDS,
489	>	q);
490	>	Runnable[] tasks = new Runnable[5];
491	>	final CountDownLatch threadStarted = new CountDownLatch(1);
492	>	final CountDownLatch done = new CountDownLatch(1);
493		try {
494	<	one.execute(newRunnable());
494	>	for (int i = 0; i < tasks.length; i++) {
495	>	tasks[i] = new CheckedRunnable() {
496	>	public void realRun() throws InterruptedException {
497	>	threadStarted.countDown();
498	>	done.await();
499	>	}};
500	>	p.execute(tasks[i]);
501	>	}
502	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
503	>	assertFalse(p.remove(tasks[0]));
504	>	assertTrue(q.contains(tasks[4]));
505	>	assertTrue(q.contains(tasks[3]));
506	>	assertTrue(p.remove(tasks[4]));
507	>	assertFalse(p.remove(tasks[4]));
508	>	assertFalse(q.contains(tasks[4]));
509	>	assertTrue(q.contains(tasks[3]));
510	>	assertTrue(p.remove(tasks[3]));
511	>	assertFalse(q.contains(tasks[3]));
512		} finally {
513	<	one.shutdown();
513	>	done.countDown();
514	>	joinPool(p);
515		}
212	–	boolean flag = false;
213	–	try{
214	–	flag = one.awaitTermination(10, TimeUnit.SECONDS);
215	–	}catch(Exception e){}
216	–	assertTrue(one.isTerminated());
217	–	if(!flag)
218	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
516		}
517
518		/**
519	<	*  Test to verify that purge correctly removes cancelled tasks
223	<	*  from the queue
519	>	* purge removes cancelled tasks from the queue
520		*/
521	<	public void testPurge(){
522	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
521	>	public void testPurge() throws InterruptedException {
522	>	final CountDownLatch threadStarted = new CountDownLatch(1);
523	>	final CountDownLatch done = new CountDownLatch(1);
524	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
525	>	final ThreadPoolExecutor p =
526	>	new ThreadPoolExecutor(1, 1,
527	>	LONG_DELAY_MS, MILLISECONDS,
528	>	q);
529	>	FutureTask[] tasks = new FutureTask[5];
530		try {
531	<	CancellableTask[] tasks = new CancellableTask[5];
532	<	for(int i = 0; i < 5; i++){
533	<	tasks[i] = new CancellableTask(newRunnable());
534	<	one.execute(tasks[i]);
531	>	for (int i = 0; i < tasks.length; i++) {
532	>	Callable task = new CheckedCallable<Boolean>() {
533	>	public Boolean realCall() throws InterruptedException {
534	>	threadStarted.countDown();
535	>	done.await();
536	>	return Boolean.TRUE;
537	>	}};
538	>	tasks[i] = new FutureTask(task);
539	>	p.execute(tasks[i]);
540		}
541	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
542	+	assertEquals(tasks.length, p.getTaskCount());
543	+	assertEquals(tasks.length - 1, q.size());
544	+	assertEquals(1L, p.getActiveCount());
545	+	assertEquals(0L, p.getCompletedTaskCount());
546		tasks[4].cancel(true);
547	<	tasks[3].cancel(true);
548	<	one.purge();
549	<	long count = one.getTaskCount();
550	<	assertTrue(count >= 2 && count < 5);
547	>	tasks[3].cancel(false);
548	>	p.purge();
549	>	assertEquals(tasks.length - 3, q.size());
550	>	assertEquals(tasks.length - 2, p.getTaskCount());
551	>	p.purge();         // Nothing to do
552	>	assertEquals(tasks.length - 3, q.size());
553	>	assertEquals(tasks.length - 2, p.getTaskCount());
554		} finally {
555	<	one.shutdown();
555	>	done.countDown();
556	>	joinPool(p);
557		}
558		}
559
560		/**
561	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
561	>	* shutdownNow returns a list containing tasks that were not run
562		*/
563	<	public void testShutDownNow(){
564	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
563	>	public void testShutdownNow() {
564	>	final ThreadPoolExecutor p =
565	>	new ThreadPoolExecutor(1, 1,
566	>	LONG_DELAY_MS, MILLISECONDS,
567	>	new ArrayBlockingQueue<Runnable>(10));
568		List l;
569		try {
570	<	for(int i = 0; i < 5; i++)
571	<	one.execute(newRunnable());
570	>	for (int i = 0; i < 5; i++)
571	>	p.execute(new MediumPossiblyInterruptedRunnable());
572		}
573		finally {
574	<	l = one.shutdownNow();
574	>	try {
575	>	l = p.shutdownNow();
576	>	} catch (SecurityException ok) { return; }
577		}
578	<	assertTrue(one.isShutdown());
579	<	assertTrue(l.size() <= 4);
578	>	assertTrue(p.isShutdown());
579	>	assertTrue(l.size() <= 4);
580		}
581
261	–
262	–
263	–
264	–
265	–
582		// Exception Tests
267	–
583
584	<	//---- Tests if corePoolSize argument is less than zero
584	>	/**
585	>	* Constructor throws if corePoolSize argument is less than zero
586	>	*/
587		public void testConstructor1() {
588	<	try{
589	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
590	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
591	<	}
592	<	catch (IllegalArgumentException i){}
588	>	try {
589	>	new ThreadPoolExecutor(-1, 1,
590	>	LONG_DELAY_MS, MILLISECONDS,
591	>	new ArrayBlockingQueue<Runnable>(10));
592	>	shouldThrow();
593	>	} catch (IllegalArgumentException success) {}
594		}
595	<
596	<	//---- Tests if maximumPoolSize is less than zero
595	>
596	>	/**
597	>	* Constructor throws if maximumPoolSize is less than zero
598	>	*/
599		public void testConstructor2() {
600	<	try{
601	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
602	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
603	<	}
604	<	catch (IllegalArgumentException i2){}
600	>	try {
601	>	new ThreadPoolExecutor(1, -1,
602	>	LONG_DELAY_MS, MILLISECONDS,
603	>	new ArrayBlockingQueue<Runnable>(10));
604	>	shouldThrow();
605	>	} catch (IllegalArgumentException success) {}
606		}
607	<
608	<	//---- Tests if maximumPoolSize is equal to zero
607	>
608	>	/**
609	>	* Constructor throws if maximumPoolSize is equal to zero
610	>	*/
611		public void testConstructor3() {
612	<	try{
613	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
614	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
615	<	}
616	<	catch (IllegalArgumentException i3){}
612	>	try {
613	>	new ThreadPoolExecutor(1, 0,
614	>	LONG_DELAY_MS, MILLISECONDS,
615	>	new ArrayBlockingQueue<Runnable>(10));
616	>	shouldThrow();
617	>	} catch (IllegalArgumentException success) {}
618		}
619
620	<	//---- Tests if keepAliveTime is less than zero
620	>	/**
621	>	* Constructor throws if keepAliveTime is less than zero
622	>	*/
623		public void testConstructor4() {
624	<	try{
625	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
626	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
627	<	}
628	<	catch (IllegalArgumentException i4){}
624	>	try {
625	>	new ThreadPoolExecutor(1, 2,
626	>	-1L, MILLISECONDS,
627	>	new ArrayBlockingQueue<Runnable>(10));
628	>	shouldThrow();
629	>	} catch (IllegalArgumentException success) {}
630		}
631
632	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
632	>	/**
633	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
634	>	*/
635		public void testConstructor5() {
636	<	try{
637	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
638	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
639	<	}
640	<	catch (IllegalArgumentException i5){}
636	>	try {
637	>	new ThreadPoolExecutor(2, 1,
638	>	LONG_DELAY_MS, MILLISECONDS,
639	>	new ArrayBlockingQueue<Runnable>(10));
640	>	shouldThrow();
641	>	} catch (IllegalArgumentException success) {}
642		}
643	<
644	<	//---- Tests if workQueue is set to null
645	<	public void testNullPointerException() {
646	<	try{
647	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
648	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
649	<	}
650	<	catch (NullPointerException n){}
643	>
644	>	/**
645	>	* Constructor throws if workQueue is set to null
646	>	*/
647	>	public void testConstructorNullPointerException() {
648	>	try {
649	>	new ThreadPoolExecutor(1, 2,
650	>	LONG_DELAY_MS, MILLISECONDS,
651	>	(BlockingQueue) null);
652	>	shouldThrow();
653	>	} catch (NullPointerException success) {}
654		}
322	–
655
656	<
657	<	//---- Tests if corePoolSize argument is less than zero
656	>	/**
657	>	* Constructor throws if corePoolSize argument is less than zero
658	>	*/
659		public void testConstructor6() {
660	<	try{
661	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
662	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
663	<	}catch (IllegalArgumentException i6){}
660	>	try {
661	>	new ThreadPoolExecutor(-1, 1,
662	>	LONG_DELAY_MS, MILLISECONDS,
663	>	new ArrayBlockingQueue<Runnable>(10),
664	>	new SimpleThreadFactory());
665	>	shouldThrow();
666	>	} catch (IllegalArgumentException success) {}
667		}
668	<
669	<	//---- Tests if maximumPoolSize is less than zero
668	>
669	>	/**
670	>	* Constructor throws if maximumPoolSize is less than zero
671	>	*/
672		public void testConstructor7() {
673	<	try{
674	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
675	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
676	<	}
677	<	catch (IllegalArgumentException i7){}
673	>	try {
674	>	new ThreadPoolExecutor(1, -1,
675	>	LONG_DELAY_MS, MILLISECONDS,
676	>	new ArrayBlockingQueue<Runnable>(10),
677	>	new SimpleThreadFactory());
678	>	shouldThrow();
679	>	} catch (IllegalArgumentException success) {}
680		}
681
682	<	//---- Tests if maximumPoolSize is equal to zero
682	>	/**
683	>	* Constructor throws if maximumPoolSize is equal to zero
684	>	*/
685		public void testConstructor8() {
686	<	try{
687	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
688	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
689	<	}
690	<	catch (IllegalArgumentException i8){}
686	>	try {
687	>	new ThreadPoolExecutor(1, 0,
688	>	LONG_DELAY_MS, MILLISECONDS,
689	>	new ArrayBlockingQueue<Runnable>(10),
690	>	new SimpleThreadFactory());
691	>	shouldThrow();
692	>	} catch (IllegalArgumentException success) {}
693		}
694
695	<	//---- Tests if keepAliveTime is less than zero
695	>	/**
696	>	* Constructor throws if keepAliveTime is less than zero
697	>	*/
698		public void testConstructor9() {
699	<	try{
700	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
701	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
702	<	}
703	<	catch (IllegalArgumentException i9){}
699	>	try {
700	>	new ThreadPoolExecutor(1, 2,
701	>	-1L, MILLISECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10),
703	>	new SimpleThreadFactory());
704	>	shouldThrow();
705	>	} catch (IllegalArgumentException success) {}
706		}
707
708	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
708	>	/**
709	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
710	>	*/
711		public void testConstructor10() {
712	<	try{
713	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
714	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
712	>	try {
713	>	new ThreadPoolExecutor(2, 1,
714	>	LONG_DELAY_MS, MILLISECONDS,
715	>	new ArrayBlockingQueue<Runnable>(10),
716	>	new SimpleThreadFactory());
717	>	shouldThrow();
718	>	} catch (IllegalArgumentException success) {}
719	>	}
720	>
721	>	/**
722	>	* Constructor throws if workQueue is set to null
723	>	*/
724	>	public void testConstructorNullPointerException2() {
725	>	try {
726	>	new ThreadPoolExecutor(1, 2,
727	>	LONG_DELAY_MS, MILLISECONDS,
728	>	(BlockingQueue) null,
729	>	new SimpleThreadFactory());
730	>	shouldThrow();
731	>	} catch (NullPointerException success) {}
732	>	}
733	>
734	>	/**
735	>	* Constructor throws if threadFactory is set to null
736	>	*/
737	>	public void testConstructorNullPointerException3() {
738	>	try {
739	>	new ThreadPoolExecutor(1, 2,
740	>	LONG_DELAY_MS, MILLISECONDS,
741	>	new ArrayBlockingQueue<Runnable>(10),
742	>	(ThreadFactory) null);
743	>	shouldThrow();
744	>	} catch (NullPointerException success) {}
745	>	}
746	>
747	>	/**
748	>	* Constructor throws if corePoolSize argument is less than zero
749	>	*/
750	>	public void testConstructor11() {
751	>	try {
752	>	new ThreadPoolExecutor(-1, 1,
753	>	LONG_DELAY_MS, MILLISECONDS,
754	>	new ArrayBlockingQueue<Runnable>(10),
755	>	new NoOpREHandler());
756	>	shouldThrow();
757	>	} catch (IllegalArgumentException success) {}
758	>	}
759	>
760	>	/**
761	>	* Constructor throws if maximumPoolSize is less than zero
762	>	*/
763	>	public void testConstructor12() {
764	>	try {
765	>	new ThreadPoolExecutor(1, -1,
766	>	LONG_DELAY_MS, MILLISECONDS,
767	>	new ArrayBlockingQueue<Runnable>(10),
768	>	new NoOpREHandler());
769	>	shouldThrow();
770	>	} catch (IllegalArgumentException success) {}
771	>	}
772	>
773	>	/**
774	>	* Constructor throws if maximumPoolSize is equal to zero
775	>	*/
776	>	public void testConstructor13() {
777	>	try {
778	>	new ThreadPoolExecutor(1, 0,
779	>	LONG_DELAY_MS, MILLISECONDS,
780	>	new ArrayBlockingQueue<Runnable>(10),
781	>	new NoOpREHandler());
782	>	shouldThrow();
783	>	} catch (IllegalArgumentException success) {}
784	>	}
785	>
786	>	/**
787	>	* Constructor throws if keepAliveTime is less than zero
788	>	*/
789	>	public void testConstructor14() {
790	>	try {
791	>	new ThreadPoolExecutor(1, 2,
792	>	-1L, MILLISECONDS,
793	>	new ArrayBlockingQueue<Runnable>(10),
794	>	new NoOpREHandler());
795	>	shouldThrow();
796	>	} catch (IllegalArgumentException success) {}
797	>	}
798	>
799	>	/**
800	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
801	>	*/
802	>	public void testConstructor15() {
803	>	try {
804	>	new ThreadPoolExecutor(2, 1,
805	>	LONG_DELAY_MS, MILLISECONDS,
806	>	new ArrayBlockingQueue<Runnable>(10),
807	>	new NoOpREHandler());
808	>	shouldThrow();
809	>	} catch (IllegalArgumentException success) {}
810	>	}
811	>
812	>	/**
813	>	* Constructor throws if workQueue is set to null
814	>	*/
815	>	public void testConstructorNullPointerException4() {
816	>	try {
817	>	new ThreadPoolExecutor(1, 2,
818	>	LONG_DELAY_MS, MILLISECONDS,
819	>	(BlockingQueue) null,
820	>	new NoOpREHandler());
821	>	shouldThrow();
822	>	} catch (NullPointerException success) {}
823	>	}
824	>
825	>	/**
826	>	* Constructor throws if handler is set to null
827	>	*/
828	>	public void testConstructorNullPointerException5() {
829	>	try {
830	>	new ThreadPoolExecutor(1, 2,
831	>	LONG_DELAY_MS, MILLISECONDS,
832	>	new ArrayBlockingQueue<Runnable>(10),
833	>	(RejectedExecutionHandler) null);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {}
836	>	}
837	>
838	>	/**
839	>	* Constructor throws if corePoolSize argument is less than zero
840	>	*/
841	>	public void testConstructor16() {
842	>	try {
843	>	new ThreadPoolExecutor(-1, 1,
844	>	LONG_DELAY_MS, MILLISECONDS,
845	>	new ArrayBlockingQueue<Runnable>(10),
846	>	new SimpleThreadFactory(),
847	>	new NoOpREHandler());
848	>	shouldThrow();
849	>	} catch (IllegalArgumentException success) {}
850	>	}
851	>
852	>	/**
853	>	* Constructor throws if maximumPoolSize is less than zero
854	>	*/
855	>	public void testConstructor17() {
856	>	try {
857	>	new ThreadPoolExecutor(1, -1,
858	>	LONG_DELAY_MS, MILLISECONDS,
859	>	new ArrayBlockingQueue<Runnable>(10),
860	>	new SimpleThreadFactory(),
861	>	new NoOpREHandler());
862	>	shouldThrow();
863	>	} catch (IllegalArgumentException success) {}
864	>	}
865	>
866	>	/**
867	>	* Constructor throws if maximumPoolSize is equal to zero
868	>	*/
869	>	public void testConstructor18() {
870	>	try {
871	>	new ThreadPoolExecutor(1, 0,
872	>	LONG_DELAY_MS, MILLISECONDS,
873	>	new ArrayBlockingQueue<Runnable>(10),
874	>	new SimpleThreadFactory(),
875	>	new NoOpREHandler());
876	>	shouldThrow();
877	>	} catch (IllegalArgumentException success) {}
878	>	}
879	>
880	>	/**
881	>	* Constructor throws if keepAliveTime is less than zero
882	>	*/
883	>	public void testConstructor19() {
884	>	try {
885	>	new ThreadPoolExecutor(1, 2,
886	>	-1L, MILLISECONDS,
887	>	new ArrayBlockingQueue<Runnable>(10),
888	>	new SimpleThreadFactory(),
889	>	new NoOpREHandler());
890	>	shouldThrow();
891	>	} catch (IllegalArgumentException success) {}
892	>	}
893	>
894	>	/**
895	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
896	>	*/
897	>	public void testConstructor20() {
898	>	try {
899	>	new ThreadPoolExecutor(2, 1,
900	>	LONG_DELAY_MS, MILLISECONDS,
901	>	new ArrayBlockingQueue<Runnable>(10),
902	>	new SimpleThreadFactory(),
903	>	new NoOpREHandler());
904	>	shouldThrow();
905	>	} catch (IllegalArgumentException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if workQueue is null
910	>	*/
911	>	public void testConstructorNullPointerException6() {
912	>	try {
913	>	new ThreadPoolExecutor(1, 2,
914	>	LONG_DELAY_MS, MILLISECONDS,
915	>	(BlockingQueue) null,
916	>	new SimpleThreadFactory(),
917	>	new NoOpREHandler());
918	>	shouldThrow();
919	>	} catch (NullPointerException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if handler is null
924	>	*/
925	>	public void testConstructorNullPointerException7() {
926	>	try {
927	>	new ThreadPoolExecutor(1, 2,
928	>	LONG_DELAY_MS, MILLISECONDS,
929	>	new ArrayBlockingQueue<Runnable>(10),
930	>	new SimpleThreadFactory(),
931	>	(RejectedExecutionHandler) null);
932	>	shouldThrow();
933	>	} catch (NullPointerException success) {}
934	>	}
935	>
936	>	/**
937	>	* Constructor throws if ThreadFactory is null
938	>	*/
939	>	public void testConstructorNullPointerException8() {
940	>	try {
941	>	new ThreadPoolExecutor(1, 2,
942	>	LONG_DELAY_MS, MILLISECONDS,
943	>	new ArrayBlockingQueue<Runnable>(10),
944	>	(ThreadFactory) null,
945	>	new NoOpREHandler());
946	>	shouldThrow();
947	>	} catch (NullPointerException success) {}
948	>	}
949	>
950	>	/**
951	>	* get of submitted callable throws InterruptedException if interrupted
952	>	*/
953	>	public void testInterruptedSubmit() throws InterruptedException {
954	>	final ThreadPoolExecutor p =
955	>	new ThreadPoolExecutor(1, 1,
956	>	60, TimeUnit.SECONDS,
957	>	new ArrayBlockingQueue<Runnable>(10));
958	>
959	>	final CountDownLatch threadStarted = new CountDownLatch(1);
960	>	final CountDownLatch done = new CountDownLatch(1);
961	>	try {
962	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
963	>	public void realRun() throws Exception {
964	>	Callable task = new CheckedCallable<Boolean>() {
965	>	public Boolean realCall() throws InterruptedException {
966	>	threadStarted.countDown();
967	>	done.await();
968	>	return Boolean.TRUE;
969	>	}};
970	>	p.submit(task).get();
971	>	}});
972	>
973	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
974	>	t.interrupt();
975	>	awaitTermination(t, MEDIUM_DELAY_MS);
976	>	} finally {
977	>	done.countDown();
978	>	joinPool(p);
979		}
366	–	catch (IllegalArgumentException i10){}
980		}
981
982	<	//---- Tests if workQueue is set to null
983	<	public void testNullPointerException2() {
984	<	try{
985	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
986	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
982	>	/**
983	>	* execute throws RejectedExecutionException if saturated.
984	>	*/
985	>	public void testSaturatedExecute() {
986	>	ThreadPoolExecutor p =
987	>	new ThreadPoolExecutor(1, 1,
988	>	LONG_DELAY_MS, MILLISECONDS,
989	>	new ArrayBlockingQueue<Runnable>(1));
990	>	final CountDownLatch done = new CountDownLatch(1);
991	>	try {
992	>	Runnable task = new CheckedRunnable() {
993	>	public void realRun() throws InterruptedException {
994	>	done.await();
995	>	}};
996	>	for (int i = 0; i < 2; ++i)
997	>	p.execute(task);
998	>	for (int i = 0; i < 2; ++i) {
999	>	try {
1000	>	p.execute(task);
1001	>	shouldThrow();
1002	>	} catch (RejectedExecutionException success) {}
1003	>	assertTrue(p.getTaskCount() <= 2);
1004	>	}
1005	>	} finally {
1006	>	done.countDown();
1007	>	joinPool(p);
1008		}
375	–	catch (NullPointerException n2){}
1009		}
1010
1011	<	//---- Tests if threadFactory is set to null
1012	<	public void testNullPointerException3() {
1013	<	try{
1014	<	ThreadFactory f = null;
1015	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1016	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1011	>	/**
1012	>	* submit(runnable) throws RejectedExecutionException if saturated.
1013	>	*/
1014	>	public void testSaturatedSubmitRunnable() {
1015	>	ThreadPoolExecutor p =
1016	>	new ThreadPoolExecutor(1, 1,
1017	>	LONG_DELAY_MS, MILLISECONDS,
1018	>	new ArrayBlockingQueue<Runnable>(1));
1019	>	final CountDownLatch done = new CountDownLatch(1);
1020	>	try {
1021	>	Runnable task = new CheckedRunnable() {
1022	>	public void realRun() throws InterruptedException {
1023	>	done.await();
1024	>	}};
1025	>	for (int i = 0; i < 2; ++i)
1026	>	p.submit(task);
1027	>	for (int i = 0; i < 2; ++i) {
1028	>	try {
1029	>	p.execute(task);
1030	>	shouldThrow();
1031	>	} catch (RejectedExecutionException success) {}
1032	>	assertTrue(p.getTaskCount() <= 2);
1033	>	}
1034	>	} finally {
1035	>	done.countDown();
1036	>	joinPool(p);
1037		}
385	–	catch (NullPointerException n3){}
1038		}
1039	<
1040	<
1041	<	//---- Tests if corePoolSize argument is less than zero
1042	<	public void testConstructor11() {
1043	<	try{
1044	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1045	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1039	>
1040	>	/**
1041	>	* submit(callable) throws RejectedExecutionException if saturated.
1042	>	*/
1043	>	public void testSaturatedSubmitCallable() {
1044	>	ThreadPoolExecutor p =
1045	>	new ThreadPoolExecutor(1, 1,
1046	>	LONG_DELAY_MS, MILLISECONDS,
1047	>	new ArrayBlockingQueue<Runnable>(1));
1048	>	final CountDownLatch done = new CountDownLatch(1);
1049	>	try {
1050	>	Runnable task = new CheckedRunnable() {
1051	>	public void realRun() throws InterruptedException {
1052	>	done.await();
1053	>	}};
1054	>	for (int i = 0; i < 2; ++i)
1055	>	p.submit(Executors.callable(task));
1056	>	for (int i = 0; i < 2; ++i) {
1057	>	try {
1058	>	p.execute(task);
1059	>	shouldThrow();
1060	>	} catch (RejectedExecutionException success) {}
1061	>	assertTrue(p.getTaskCount() <= 2);
1062	>	}
1063	>	} finally {
1064	>	done.countDown();
1065	>	joinPool(p);
1066		}
395	–	catch (IllegalArgumentException i11){}
1067		}
1068
1069	<	//---- Tests if maximumPoolSize is less than zero
1070	<	public void testConstructor12() {
1071	<	try{
1072	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1073	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1069	>	/**
1070	>	* executor using CallerRunsPolicy runs task if saturated.
1071	>	*/
1072	>	public void testSaturatedExecute2() {
1073	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1074	>	final ThreadPoolExecutor p =
1075	>	new ThreadPoolExecutor(1, 1,
1076	>	LONG_DELAY_MS,
1077	>	MILLISECONDS,
1078	>	new ArrayBlockingQueue<Runnable>(1),
1079	>	h);
1080	>	try {
1081	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1082	>	for (int i = 0; i < tasks.length; ++i)
1083	>	tasks[i] = new TrackedNoOpRunnable();
1084	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1085	>	p.execute(mr);
1086	>	for (int i = 0; i < tasks.length; ++i)
1087	>	p.execute(tasks[i]);
1088	>	for (int i = 1; i < tasks.length; ++i)
1089	>	assertTrue(tasks[i].done);
1090	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1091	>	} finally {
1092	>	joinPool(p);
1093		}
404	–	catch (IllegalArgumentException i12){}
1094		}
1095
1096	<	//---- Tests if maximumPoolSize is equal to zero
1097	<	public void testConstructor13() {
1098	<	try{
1099	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1100	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1096	>	/**
1097	>	* executor using DiscardPolicy drops task if saturated.
1098	>	*/
1099	>	public void testSaturatedExecute3() {
1100	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1101	>	final ThreadPoolExecutor p =
1102	>	new ThreadPoolExecutor(1, 1,
1103	>	LONG_DELAY_MS, MILLISECONDS,
1104	>	new ArrayBlockingQueue<Runnable>(1),
1105	>	h);
1106	>	try {
1107	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1108	>	for (int i = 0; i < tasks.length; ++i)
1109	>	tasks[i] = new TrackedNoOpRunnable();
1110	>	p.execute(new TrackedLongRunnable());
1111	>	for (TrackedNoOpRunnable task : tasks)
1112	>	p.execute(task);
1113	>	for (TrackedNoOpRunnable task : tasks)
1114	>	assertFalse(task.done);
1115	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1116	>	} finally {
1117	>	joinPool(p);
1118		}
413	–	catch (IllegalArgumentException i13){}
1119		}
1120
1121	<	//---- Tests if keepAliveTime is less than zero
1122	<	public void testConstructor14() {
1123	<	try{
1124	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1125	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1121	>	/**
1122	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1123	>	*/
1124	>	public void testSaturatedExecute4() {
1125	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1126	>	final ThreadPoolExecutor p =
1127	>	new ThreadPoolExecutor(1, 1,
1128	>	LONG_DELAY_MS, MILLISECONDS,
1129	>	new ArrayBlockingQueue<Runnable>(1),
1130	>	h);
1131	>	try {
1132	>	p.execute(new TrackedLongRunnable());
1133	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1134	>	p.execute(r2);
1135	>	assertTrue(p.getQueue().contains(r2));
1136	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1137	>	p.execute(r3);
1138	>	assertFalse(p.getQueue().contains(r2));
1139	>	assertTrue(p.getQueue().contains(r3));
1140	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1141	>	} finally {
1142	>	joinPool(p);
1143		}
422	–	catch (IllegalArgumentException i14){}
1144		}
1145
1146	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1147	<	public void testConstructor15() {
1148	<	try{
1149	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1150	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1146	>	/**
1147	>	* execute throws RejectedExecutionException if shutdown
1148	>	*/
1149	>	public void testRejectedExecutionExceptionOnShutdown() {
1150	>	ThreadPoolExecutor p =
1151	>	new ThreadPoolExecutor(1, 1,
1152	>	LONG_DELAY_MS, MILLISECONDS,
1153	>	new ArrayBlockingQueue<Runnable>(1));
1154	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1155	>	try {
1156	>	p.execute(new NoOpRunnable());
1157	>	shouldThrow();
1158	>	} catch (RejectedExecutionException success) {}
1159	>
1160	>	joinPool(p);
1161	>	}
1162	>
1163	>	/**
1164	>	* execute using CallerRunsPolicy drops task on shutdown
1165	>	*/
1166	>	public void testCallerRunsOnShutdown() {
1167	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1168	>	final ThreadPoolExecutor p =
1169	>	new ThreadPoolExecutor(1, 1,
1170	>	LONG_DELAY_MS, MILLISECONDS,
1171	>	new ArrayBlockingQueue<Runnable>(1), h);
1172	>
1173	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1174	>	try {
1175	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1176	>	p.execute(r);
1177	>	assertFalse(r.done);
1178	>	} finally {
1179	>	joinPool(p);
1180		}
431	–	catch (IllegalArgumentException i15){}
1181		}
1182
1183	<	//---- Tests if workQueue is set to null
1184	<	public void testNullPointerException4() {
1185	<	try{
1186	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1187	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1183	>	/**
1184	>	* execute using DiscardPolicy drops task on shutdown
1185	>	*/
1186	>	public void testDiscardOnShutdown() {
1187	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1188	>	ThreadPoolExecutor p =
1189	>	new ThreadPoolExecutor(1, 1,
1190	>	LONG_DELAY_MS, MILLISECONDS,
1191	>	new ArrayBlockingQueue<Runnable>(1),
1192	>	h);
1193	>
1194	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1195	>	try {
1196	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1197	>	p.execute(r);
1198	>	assertFalse(r.done);
1199	>	} finally {
1200	>	joinPool(p);
1201		}
440	–	catch (NullPointerException n4){}
1202		}
1203
1204	<	//---- Tests if handler is set to null
1205	<	public void testNullPointerException5() {
1206	<	try{
1207	<	RejectedExecutionHandler r = null;
1208	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1209	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1204	>	/**
1205	>	* execute using DiscardOldestPolicy drops task on shutdown
1206	>	*/
1207	>	public void testDiscardOldestOnShutdown() {
1208	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1209	>	ThreadPoolExecutor p =
1210	>	new ThreadPoolExecutor(1, 1,
1211	>	LONG_DELAY_MS, MILLISECONDS,
1212	>	new ArrayBlockingQueue<Runnable>(1),
1213	>	h);
1214	>
1215	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1216	>	try {
1217	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1218	>	p.execute(r);
1219	>	assertFalse(r.done);
1220	>	} finally {
1221	>	joinPool(p);
1222		}
450	–	catch (NullPointerException n5){}
1223		}
1224
1225	<
1226	<	//---- Tests if corePoolSize argument is less than zero
1227	<	public void testConstructor16() {
1228	<	try{
1229	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1230	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1225	>	/**
1226	>	* execute(null) throws NPE
1227	>	*/
1228	>	public void testExecuteNull() {
1229	>	ThreadPoolExecutor p =
1230	>	new ThreadPoolExecutor(1, 2,
1231	>	LONG_DELAY_MS, MILLISECONDS,
1232	>	new ArrayBlockingQueue<Runnable>(10));
1233	>	try {
1234	>	p.execute(null);
1235	>	shouldThrow();
1236	>	} catch (NullPointerException success) {}
1237	>
1238	>	joinPool(p);
1239	>	}
1240	>
1241	>	/**
1242	>	* setCorePoolSize of negative value throws IllegalArgumentException
1243	>	*/
1244	>	public void testCorePoolSizeIllegalArgumentException() {
1245	>	ThreadPoolExecutor p =
1246	>	new ThreadPoolExecutor(1, 2,
1247	>	LONG_DELAY_MS, MILLISECONDS,
1248	>	new ArrayBlockingQueue<Runnable>(10));
1249	>	try {
1250	>	p.setCorePoolSize(-1);
1251	>	shouldThrow();
1252	>	} catch (IllegalArgumentException success) {
1253	>	} finally {
1254	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1255		}
1256	<	catch (IllegalArgumentException i16){}
1256	>	joinPool(p);
1257		}
1258
1259	<	//---- Tests if maximumPoolSize is less than zero
1260	<	public void testConstructor17() {
1261	<	try{
1262	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1263	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1259	>	/**
1260	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1261	>	* given a value less the core pool size
1262	>	*/
1263	>	public void testMaximumPoolSizeIllegalArgumentException() {
1264	>	ThreadPoolExecutor p =
1265	>	new ThreadPoolExecutor(2, 3,
1266	>	LONG_DELAY_MS, MILLISECONDS,
1267	>	new ArrayBlockingQueue<Runnable>(10));
1268	>	try {
1269	>	p.setMaximumPoolSize(1);
1270	>	shouldThrow();
1271	>	} catch (IllegalArgumentException success) {
1272	>	} finally {
1273	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1274		}
1275	<	catch (IllegalArgumentException i17){}
1275	>	joinPool(p);
1276		}
1277
1278	<	//---- Tests if maximumPoolSize is equal to zero
1279	<	public void testConstructor18() {
1280	<	try{
1281	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1282	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1278	>	/**
1279	>	* setMaximumPoolSize throws IllegalArgumentException
1280	>	* if given a negative value
1281	>	*/
1282	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1283	>	ThreadPoolExecutor p =
1284	>	new ThreadPoolExecutor(2, 3,
1285	>	LONG_DELAY_MS, MILLISECONDS,
1286	>	new ArrayBlockingQueue<Runnable>(10));
1287	>	try {
1288	>	p.setMaximumPoolSize(-1);
1289	>	shouldThrow();
1290	>	} catch (IllegalArgumentException success) {
1291	>	} finally {
1292	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1293		}
1294	<	catch (IllegalArgumentException i18){}
1294	>	joinPool(p);
1295		}
1296
1297	<	//---- Tests if keepAliveTime is less than zero
1298	<	public void testConstructor19() {
1299	<	try{
1300	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1301	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1297	>	/**
1298	>	* setKeepAliveTime throws IllegalArgumentException
1299	>	* when given a negative value
1300	>	*/
1301	>	public void testKeepAliveTimeIllegalArgumentException() {
1302	>	ThreadPoolExecutor p =
1303	>	new ThreadPoolExecutor(2, 3,
1304	>	LONG_DELAY_MS, MILLISECONDS,
1305	>	new ArrayBlockingQueue<Runnable>(10));
1306	>	try {
1307	>	p.setKeepAliveTime(-1,MILLISECONDS);
1308	>	shouldThrow();
1309	>	} catch (IllegalArgumentException success) {
1310	>	} finally {
1311	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1312		}
1313	<	catch (IllegalArgumentException i19){}
1313	>	joinPool(p);
1314		}
1315
1316	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1317	<	public void testConstructor20() {
1318	<	try{
1319	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1320	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1316	>	/**
1317	>	* terminated() is called on termination
1318	>	*/
1319	>	public void testTerminated() {
1320	>	ExtendedTPE p = new ExtendedTPE();
1321	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1322	>	assertTrue(p.terminatedCalled);
1323	>	joinPool(p);
1324	>	}
1325	>
1326	>	/**
1327	>	* beforeExecute and afterExecute are called when executing task
1328	>	*/
1329	>	public void testBeforeAfter() throws InterruptedException {
1330	>	ExtendedTPE p = new ExtendedTPE();
1331	>	try {
1332	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1333	>	p.execute(r);
1334	>	delay(SHORT_DELAY_MS);
1335	>	assertTrue(r.done);
1336	>	assertTrue(p.beforeCalled);
1337	>	assertTrue(p.afterCalled);
1338	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1339	>	} finally {
1340	>	joinPool(p);
1341	>	}
1342	>	}
1343	>
1344	>	/**
1345	>	* completed submit of callable returns result
1346	>	*/
1347	>	public void testSubmitCallable() throws Exception {
1348	>	ExecutorService e =
1349	>	new ThreadPoolExecutor(2, 2,
1350	>	LONG_DELAY_MS, MILLISECONDS,
1351	>	new ArrayBlockingQueue<Runnable>(10));
1352	>	try {
1353	>	Future<String> future = e.submit(new StringTask());
1354	>	String result = future.get();
1355	>	assertSame(TEST_STRING, result);
1356	>	} finally {
1357	>	joinPool(e);
1358	>	}
1359	>	}
1360	>
1361	>	/**
1362	>	* completed submit of runnable returns successfully
1363	>	*/
1364	>	public void testSubmitRunnable() throws Exception {
1365	>	ExecutorService e =
1366	>	new ThreadPoolExecutor(2, 2,
1367	>	LONG_DELAY_MS, MILLISECONDS,
1368	>	new ArrayBlockingQueue<Runnable>(10));
1369	>	try {
1370	>	Future<?> future = e.submit(new NoOpRunnable());
1371	>	future.get();
1372	>	assertTrue(future.isDone());
1373	>	} finally {
1374	>	joinPool(e);
1375	>	}
1376	>	}
1377	>
1378	>	/**
1379	>	* completed submit of (runnable, result) returns result
1380	>	*/
1381	>	public void testSubmitRunnable2() throws Exception {
1382	>	ExecutorService e =
1383	>	new ThreadPoolExecutor(2, 2,
1384	>	LONG_DELAY_MS, MILLISECONDS,
1385	>	new ArrayBlockingQueue<Runnable>(10));
1386	>	try {
1387	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1388	>	String result = future.get();
1389	>	assertSame(TEST_STRING, result);
1390	>	} finally {
1391	>	joinPool(e);
1392	>	}
1393	>	}
1394	>
1395	>	/**
1396	>	* invokeAny(null) throws NPE
1397	>	*/
1398	>	public void testInvokeAny1() throws Exception {
1399	>	ExecutorService e =
1400	>	new ThreadPoolExecutor(2, 2,
1401	>	LONG_DELAY_MS, MILLISECONDS,
1402	>	new ArrayBlockingQueue<Runnable>(10));
1403	>	try {
1404	>	e.invokeAny(null);
1405	>	shouldThrow();
1406	>	} catch (NullPointerException success) {
1407	>	} finally {
1408	>	joinPool(e);
1409	>	}
1410	>	}
1411	>
1412	>	/**
1413	>	* invokeAny(empty collection) throws IAE
1414	>	*/
1415	>	public void testInvokeAny2() throws Exception {
1416	>	ExecutorService e =
1417	>	new ThreadPoolExecutor(2, 2,
1418	>	LONG_DELAY_MS, MILLISECONDS,
1419	>	new ArrayBlockingQueue<Runnable>(10));
1420	>	try {
1421	>	e.invokeAny(new ArrayList<Callable<String>>());
1422	>	shouldThrow();
1423	>	} catch (IllegalArgumentException success) {
1424	>	} finally {
1425	>	joinPool(e);
1426	>	}
1427	>	}
1428	>
1429	>	/**
1430	>	* invokeAny(c) throws NPE if c has null elements
1431	>	*/
1432	>	public void testInvokeAny3() throws Exception {
1433	>	final CountDownLatch latch = new CountDownLatch(1);
1434	>	final ExecutorService e =
1435	>	new ThreadPoolExecutor(2, 2,
1436	>	LONG_DELAY_MS, MILLISECONDS,
1437	>	new ArrayBlockingQueue<Runnable>(10));
1438	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1439	>	l.add(latchAwaitingStringTask(latch));
1440	>	l.add(null);
1441	>	try {
1442	>	e.invokeAny(l);
1443	>	shouldThrow();
1444	>	} catch (NullPointerException success) {
1445	>	} finally {
1446	>	latch.countDown();
1447	>	joinPool(e);
1448	>	}
1449	>	}
1450	>
1451	>	/**
1452	>	* invokeAny(c) throws ExecutionException if no task completes
1453	>	*/
1454	>	public void testInvokeAny4() throws Exception {
1455	>	ExecutorService e =
1456	>	new ThreadPoolExecutor(2, 2,
1457	>	LONG_DELAY_MS, MILLISECONDS,
1458	>	new ArrayBlockingQueue<Runnable>(10));
1459	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1460	>	l.add(new NPETask());
1461	>	try {
1462	>	e.invokeAny(l);
1463	>	shouldThrow();
1464	>	} catch (ExecutionException success) {
1465	>	assertTrue(success.getCause() instanceof NullPointerException);
1466	>	} finally {
1467	>	joinPool(e);
1468	>	}
1469	>	}
1470	>
1471	>	/**
1472	>	* invokeAny(c) returns result of some task
1473	>	*/
1474	>	public void testInvokeAny5() throws Exception {
1475	>	ExecutorService e =
1476	>	new ThreadPoolExecutor(2, 2,
1477	>	LONG_DELAY_MS, MILLISECONDS,
1478	>	new ArrayBlockingQueue<Runnable>(10));
1479	>	try {
1480	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1481	>	l.add(new StringTask());
1482	>	l.add(new StringTask());
1483	>	String result = e.invokeAny(l);
1484	>	assertSame(TEST_STRING, result);
1485	>	} finally {
1486	>	joinPool(e);
1487	>	}
1488	>	}
1489	>
1490	>	/**
1491	>	* invokeAll(null) throws NPE
1492	>	*/
1493	>	public void testInvokeAll1() throws Exception {
1494	>	ExecutorService e =
1495	>	new ThreadPoolExecutor(2, 2,
1496	>	LONG_DELAY_MS, MILLISECONDS,
1497	>	new ArrayBlockingQueue<Runnable>(10));
1498	>	try {
1499	>	e.invokeAll(null);
1500	>	shouldThrow();
1501	>	} catch (NullPointerException success) {
1502	>	} finally {
1503	>	joinPool(e);
1504	>	}
1505	>	}
1506	>
1507	>	/**
1508	>	* invokeAll(empty collection) returns empty collection
1509	>	*/
1510	>	public void testInvokeAll2() throws InterruptedException {
1511	>	ExecutorService e =
1512	>	new ThreadPoolExecutor(2, 2,
1513	>	LONG_DELAY_MS, MILLISECONDS,
1514	>	new ArrayBlockingQueue<Runnable>(10));
1515	>	try {
1516	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1517	>	assertTrue(r.isEmpty());
1518	>	} finally {
1519	>	joinPool(e);
1520	>	}
1521	>	}
1522	>
1523	>	/**
1524	>	* invokeAll(c) throws NPE if c has null elements
1525	>	*/
1526	>	public void testInvokeAll3() throws Exception {
1527	>	ExecutorService e =
1528	>	new ThreadPoolExecutor(2, 2,
1529	>	LONG_DELAY_MS, MILLISECONDS,
1530	>	new ArrayBlockingQueue<Runnable>(10));
1531	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1532	>	l.add(new StringTask());
1533	>	l.add(null);
1534	>	try {
1535	>	e.invokeAll(l);
1536	>	shouldThrow();
1537	>	} catch (NullPointerException success) {
1538	>	} finally {
1539	>	joinPool(e);
1540	>	}
1541	>	}
1542	>
1543	>	/**
1544	>	* get of element of invokeAll(c) throws exception on failed task
1545	>	*/
1546	>	public void testInvokeAll4() throws Exception {
1547	>	ExecutorService e =
1548	>	new ThreadPoolExecutor(2, 2,
1549	>	LONG_DELAY_MS, MILLISECONDS,
1550	>	new ArrayBlockingQueue<Runnable>(10));
1551	>	try {
1552	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1553	>	l.add(new NPETask());
1554	>	List<Future<String>> futures = e.invokeAll(l);
1555	>	assertEquals(1, futures.size());
1556	>	try {
1557	>	futures.get(0).get();
1558	>	shouldThrow();
1559	>	} catch (ExecutionException success) {
1560	>	assertTrue(success.getCause() instanceof NullPointerException);
1561	>	}
1562	>	} finally {
1563	>	joinPool(e);
1564	>	}
1565	>	}
1566	>
1567	>	/**
1568	>	* invokeAll(c) returns results of all completed tasks
1569	>	*/
1570	>	public void testInvokeAll5() throws Exception {
1571	>	ExecutorService e =
1572	>	new ThreadPoolExecutor(2, 2,
1573	>	LONG_DELAY_MS, MILLISECONDS,
1574	>	new ArrayBlockingQueue<Runnable>(10));
1575	>	try {
1576	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1577	>	l.add(new StringTask());
1578	>	l.add(new StringTask());
1579	>	List<Future<String>> futures = e.invokeAll(l);
1580	>	assertEquals(2, futures.size());
1581	>	for (Future<String> future : futures)
1582	>	assertSame(TEST_STRING, future.get());
1583	>	} finally {
1584	>	joinPool(e);
1585	>	}
1586	>	}
1587	>
1588	>	/**
1589	>	* timed invokeAny(null) throws NPE
1590	>	*/
1591	>	public void testTimedInvokeAny1() throws Exception {
1592	>	ExecutorService e =
1593	>	new ThreadPoolExecutor(2, 2,
1594	>	LONG_DELAY_MS, MILLISECONDS,
1595	>	new ArrayBlockingQueue<Runnable>(10));
1596	>	try {
1597	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1598	>	shouldThrow();
1599	>	} catch (NullPointerException success) {
1600	>	} finally {
1601	>	joinPool(e);
1602		}
496	–	catch (IllegalArgumentException i20){}
1603		}
1604
1605	<	//---- Tests if workQueue is set to null
1606	<	public void testNullPointerException6() {
1607	<	try{
1608	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1609	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1605	>	/**
1606	>	* timed invokeAny(,,null) throws NPE
1607	>	*/
1608	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1609	>	ExecutorService e =
1610	>	new ThreadPoolExecutor(2, 2,
1611	>	LONG_DELAY_MS, MILLISECONDS,
1612	>	new ArrayBlockingQueue<Runnable>(10));
1613	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1614	>	l.add(new StringTask());
1615	>	try {
1616	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1617	>	shouldThrow();
1618	>	} catch (NullPointerException success) {
1619	>	} finally {
1620	>	joinPool(e);
1621		}
505	–	catch (NullPointerException n6){}
1622		}
1623
1624	<	//---- Tests if handler is set to null
1625	<	public void testNullPointerException7() {
1626	<	try{
1627	<	RejectedExecutionHandler r = null;
1628	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1629	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1624	>	/**
1625	>	* timed invokeAny(empty collection) throws IAE
1626	>	*/
1627	>	public void testTimedInvokeAny2() throws Exception {
1628	>	ExecutorService e =
1629	>	new ThreadPoolExecutor(2, 2,
1630	>	LONG_DELAY_MS, MILLISECONDS,
1631	>	new ArrayBlockingQueue<Runnable>(10));
1632	>	try {
1633	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1634	>	shouldThrow();
1635	>	} catch (IllegalArgumentException success) {
1636	>	} finally {
1637	>	joinPool(e);
1638		}
515	–	catch (NullPointerException n7){}
1639		}
1640
1641	<	//---- Tests if ThradFactory is set top null
1642	<	public void testNullPointerException8() {
1643	<	try{
1644	<	ThreadFactory f = null;
1645	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1646	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1641	>	/**
1642	>	* timed invokeAny(c) throws NPE if c has null elements
1643	>	*/
1644	>	public void testTimedInvokeAny3() throws Exception {
1645	>	final CountDownLatch latch = new CountDownLatch(1);
1646	>	final ExecutorService e =
1647	>	new ThreadPoolExecutor(2, 2,
1648	>	LONG_DELAY_MS, MILLISECONDS,
1649	>	new ArrayBlockingQueue<Runnable>(10));
1650	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1651	>	l.add(latchAwaitingStringTask(latch));
1652	>	l.add(null);
1653	>	try {
1654	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1655	>	shouldThrow();
1656	>	} catch (NullPointerException success) {
1657	>	} finally {
1658	>	latch.countDown();
1659	>	joinPool(e);
1660		}
525	–	catch (NullPointerException n8){}
1661		}
527	–
1662
1663		/**
1664	<	*  Test to verify execute will throw RejectedExcutionException
531	<	*  ThreadPoolExecutor will throw one when more runnables are
532	<	*  executed then will fit in the Queue.
1664	>	* timed invokeAny(c) throws ExecutionException if no task completes
1665		*/
1666	<	public void testRejectedExecutedException(){
1667	<	ThreadPoolExecutor tpe = null;
1668	<	try{
1669	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1670	<	}catch(Exception e){}
1671	<	tpe.shutdown();
1672	<	try{
1673	<	tpe.execute(new Runnable(){
1674	<	public void run(){
1675	<	try{
1676	<	Thread.sleep(1000);
1677	<	}catch(InterruptedException e){}
1678	<	}
1679	<	});
1680	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	<	}catch(RejectedExecutionException sucess){}
550	<
551	<
1666	>	public void testTimedInvokeAny4() throws Exception {
1667	>	ExecutorService e =
1668	>	new ThreadPoolExecutor(2, 2,
1669	>	LONG_DELAY_MS, MILLISECONDS,
1670	>	new ArrayBlockingQueue<Runnable>(10));
1671	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1672	>	l.add(new NPETask());
1673	>	try {
1674	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1675	>	shouldThrow();
1676	>	} catch (ExecutionException success) {
1677	>	assertTrue(success.getCause() instanceof NullPointerException);
1678	>	} finally {
1679	>	joinPool(e);
1680	>	}
1681		}
1682	<
1682	>
1683		/**
1684	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	<	*  when given a negative
1684	>	* timed invokeAny(c) returns result of some task
1685		*/
1686	<	public void testIllegalArgumentException1(){
1687	<	ThreadPoolExecutor tpe = null;
1688	<	try{
1689	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1690	<	}catch(Exception e){}
1691	<	try{
1692	<	tpe.setCorePoolSize(-1);
1693	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1694	<	}catch(IllegalArgumentException sucess){
1686	>	public void testTimedInvokeAny5() throws Exception {
1687	>	ExecutorService e =
1688	>	new ThreadPoolExecutor(2, 2,
1689	>	LONG_DELAY_MS, MILLISECONDS,
1690	>	new ArrayBlockingQueue<Runnable>(10));
1691	>	try {
1692	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1693	>	l.add(new StringTask());
1694	>	l.add(new StringTask());
1695	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1696	>	assertSame(TEST_STRING, result);
1697		} finally {
1698	<	tpe.shutdown();
1698	>	joinPool(e);
1699		}
1700	<	}
1700	>	}
1701
572	–
1702		/**
1703	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1704	<	*  if given a value less the it's actual core pool size
1705	<	*/
1706	<	public void testIllegalArgumentException2(){
1707	<	ThreadPoolExecutor tpe = null;
1708	<	try{
1709	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1710	<	}catch(Exception e){}
1711	<	try{
1712	<	tpe.setMaximumPoolSize(1);
1713	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
585	<	}catch(IllegalArgumentException sucess){
1703	>	* timed invokeAll(null) throws NPE
1704	>	*/
1705	>	public void testTimedInvokeAll1() throws Exception {
1706	>	ExecutorService e =
1707	>	new ThreadPoolExecutor(2, 2,
1708	>	LONG_DELAY_MS, MILLISECONDS,
1709	>	new ArrayBlockingQueue<Runnable>(10));
1710	>	try {
1711	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1712	>	shouldThrow();
1713	>	} catch (NullPointerException success) {
1714		} finally {
1715	<	tpe.shutdown();
1715	>	joinPool(e);
1716		}
1717		}
1718	<
1718	>
1719		/**
1720	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	<	*  if given a negative number
1720	>	* timed invokeAll(,,null) throws NPE
1721		*/
1722	<	public void testIllegalArgumentException2SP(){
1723	<	ThreadPoolExecutor tpe = null;
1724	<	try{
1725	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1726	<	}catch(Exception e){}
1727	<	try{
1728	<	tpe.setMaximumPoolSize(-1);
1729	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1730	<	}catch(IllegalArgumentException sucess){
1722	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1723	>	ExecutorService e =
1724	>	new ThreadPoolExecutor(2, 2,
1725	>	LONG_DELAY_MS, MILLISECONDS,
1726	>	new ArrayBlockingQueue<Runnable>(10));
1727	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1728	>	l.add(new StringTask());
1729	>	try {
1730	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1731	>	shouldThrow();
1732	>	} catch (NullPointerException success) {
1733		} finally {
1734	<	tpe.shutdown();
1734	>	joinPool(e);
1735		}
1736		}
608	–
1737
1738		/**
1739	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	<	*  when given a negative value
1739	>	* timed invokeAll(empty collection) returns empty collection
1740		*/
1741	<	public void testIllegalArgumentException3(){
1742	<	ThreadPoolExecutor tpe = null;
1743	<	try{
1744	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1745	<	}catch(Exception e){}
1746	<
1747	<	try{
1748	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
622	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
623	<	}catch(IllegalArgumentException sucess){
1741	>	public void testTimedInvokeAll2() throws InterruptedException {
1742	>	ExecutorService e =
1743	>	new ThreadPoolExecutor(2, 2,
1744	>	LONG_DELAY_MS, MILLISECONDS,
1745	>	new ArrayBlockingQueue<Runnable>(10));
1746	>	try {
1747	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1748	>	assertTrue(r.isEmpty());
1749		} finally {
1750	<	tpe.shutdown();
1750	>	joinPool(e);
1751		}
1752		}
1753	<
1754	<
1755	<
1753	>
1754	>	/**
1755	>	* timed invokeAll(c) throws NPE if c has null elements
1756	>	*/
1757	>	public void testTimedInvokeAll3() throws Exception {
1758	>	ExecutorService e =
1759	>	new ThreadPoolExecutor(2, 2,
1760	>	LONG_DELAY_MS, MILLISECONDS,
1761	>	new ArrayBlockingQueue<Runnable>(10));
1762	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1763	>	l.add(new StringTask());
1764	>	l.add(null);
1765	>	try {
1766	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1767	>	shouldThrow();
1768	>	} catch (NullPointerException success) {
1769	>	} finally {
1770	>	joinPool(e);
1771	>	}
1772	>	}
1773	>
1774	>	/**
1775	>	* get of element of invokeAll(c) throws exception on failed task
1776	>	*/
1777	>	public void testTimedInvokeAll4() throws Exception {
1778	>	ExecutorService e =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1783	>	l.add(new NPETask());
1784	>	List<Future<String>> futures =
1785	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1786	>	assertEquals(1, futures.size());
1787	>	try {
1788	>	futures.get(0).get();
1789	>	shouldThrow();
1790	>	} catch (ExecutionException success) {
1791	>	assertTrue(success.getCause() instanceof NullPointerException);
1792	>	} finally {
1793	>	joinPool(e);
1794	>	}
1795	>	}
1796	>
1797	>	/**
1798	>	* timed invokeAll(c) returns results of all completed tasks
1799	>	*/
1800	>	public void testTimedInvokeAll5() throws Exception {
1801	>	ExecutorService e =
1802	>	new ThreadPoolExecutor(2, 2,
1803	>	LONG_DELAY_MS, MILLISECONDS,
1804	>	new ArrayBlockingQueue<Runnable>(10));
1805	>	try {
1806	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1807	>	l.add(new StringTask());
1808	>	l.add(new StringTask());
1809	>	List<Future<String>> futures =
1810	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1811	>	assertEquals(2, futures.size());
1812	>	for (Future<String> future : futures)
1813	>	assertSame(TEST_STRING, future.get());
1814	>	} finally {
1815	>	joinPool(e);
1816	>	}
1817	>	}
1818	>
1819	>	/**
1820	>	* timed invokeAll(c) cancels tasks not completed by timeout
1821	>	*/
1822	>	public void testTimedInvokeAll6() throws Exception {
1823	>	ExecutorService e =
1824	>	new ThreadPoolExecutor(2, 2,
1825	>	LONG_DELAY_MS, MILLISECONDS,
1826	>	new ArrayBlockingQueue<Runnable>(10));
1827	>	try {
1828	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1829	>	l.add(new StringTask());
1830	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1831	>	l.add(new StringTask());
1832	>	List<Future<String>> futures =
1833	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1834	>	assertEquals(3, futures.size());
1835	>	Iterator<Future<String>> it = futures.iterator();
1836	>	Future<String> f1 = it.next();
1837	>	Future<String> f2 = it.next();
1838	>	Future<String> f3 = it.next();
1839	>	assertTrue(f1.isDone());
1840	>	assertTrue(f2.isDone());
1841	>	assertTrue(f3.isDone());
1842	>	assertFalse(f1.isCancelled());
1843	>	assertTrue(f2.isCancelled());
1844	>	} finally {
1845	>	joinPool(e);
1846	>	}
1847	>	}
1848	>
1849	>	/**
1850	>	* Execution continues if there is at least one thread even if
1851	>	* thread factory fails to create more
1852	>	*/
1853	>	public void testFailingThreadFactory() throws InterruptedException {
1854	>	final ExecutorService e =
1855	>	new ThreadPoolExecutor(100, 100,
1856	>	LONG_DELAY_MS, MILLISECONDS,
1857	>	new LinkedBlockingQueue<Runnable>(),
1858	>	new FailingThreadFactory());
1859	>	try {
1860	>	final int TASKS = 100;
1861	>	final CountDownLatch done = new CountDownLatch(TASKS);
1862	>	for (int k = 0; k < TASKS; ++k)
1863	>	e.execute(new CheckedRunnable() {
1864	>	public void realRun() {
1865	>	done.countDown();
1866	>	}});
1867	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1868	>	} finally {
1869	>	joinPool(e);
1870	>	}
1871	>	}
1872	>
1873	>	/**
1874	>	* allowsCoreThreadTimeOut is by default false.
1875	>	*/
1876	>	public void testAllowsCoreThreadTimeOut() {
1877	>	final ThreadPoolExecutor p =
1878	>	new ThreadPoolExecutor(2, 2,
1879	>	1000, MILLISECONDS,
1880	>	new ArrayBlockingQueue<Runnable>(10));
1881	>	assertFalse(p.allowsCoreThreadTimeOut());
1882	>	joinPool(p);
1883	>	}
1884	>
1885	>	/**
1886	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1887	>	*/
1888	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1889	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1890	>	final ThreadPoolExecutor p =
1891	>	new ThreadPoolExecutor(2, 10,
1892	>	coreThreadTimeOut, MILLISECONDS,
1893	>	new ArrayBlockingQueue<Runnable>(10));
1894	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1895	>	try {
1896	>	p.allowCoreThreadTimeOut(true);
1897	>	p.execute(new CheckedRunnable() {
1898	>	public void realRun() {
1899	>	threadStarted.countDown();
1900	>	assertEquals(1, p.getPoolSize());
1901	>	}});
1902	>	await(threadStarted);
1903	>	delay(coreThreadTimeOut);
1904	>	long startTime = System.nanoTime();
1905	>	while (p.getPoolSize() > 0
1906	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1907	>	Thread.yield();
1908	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1909	>	assertEquals(0, p.getPoolSize());
1910	>	} finally {
1911	>	joinPool(p);
1912	>	}
1913	>	}
1914	>
1915	>	/**
1916	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1917	>	*/
1918	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1919	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1920	>	final ThreadPoolExecutor p =
1921	>	new ThreadPoolExecutor(2, 10,
1922	>	coreThreadTimeOut, MILLISECONDS,
1923	>	new ArrayBlockingQueue<Runnable>(10));
1924	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1925	>	try {
1926	>	p.allowCoreThreadTimeOut(false);
1927	>	p.execute(new CheckedRunnable() {
1928	>	public void realRun() throws InterruptedException {
1929	>	threadStarted.countDown();
1930	>	assertTrue(p.getPoolSize() >= 1);
1931	>	}});
1932	>	delay(2 * coreThreadTimeOut);
1933	>	assertTrue(p.getPoolSize() >= 1);
1934	>	} finally {
1935	>	joinPool(p);
1936	>	}
1937	>	}
1938	>
1939	>	/**
1940	>	* execute allows the same task to be submitted multiple times, even
1941	>	* if rejected
1942	>	*/
1943	>	public void testRejectedRecycledTask() throws InterruptedException {
1944	>	final int nTasks = 1000;
1945	>	final CountDownLatch done = new CountDownLatch(nTasks);
1946	>	final Runnable recycledTask = new Runnable() {
1947	>	public void run() {
1948	>	done.countDown();
1949	>	}};
1950	>	final ThreadPoolExecutor p =
1951	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1952	>	new ArrayBlockingQueue(30));
1953	>	try {
1954	>	for (int i = 0; i < nTasks; ++i) {
1955	>	for (;;) {
1956	>	try {
1957	>	p.execute(recycledTask);
1958	>	break;
1959	>	}
1960	>	catch (RejectedExecutionException ignore) {}
1961	>	}
1962	>	}
1963	>	// enough time to run all tasks
1964	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
1965	>	} finally {
1966	>	p.shutdown();
1967	>	}
1968	>	}
1969	>
1970		}

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