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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.48 by jsr166, Mon May 20 16:51:56 2013 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
8	–	import java.util.concurrent.*;
9		import junit.framework.*;
10	<	import java.util.List;
10	>	import java.util.concurrent.*;
11	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
12	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
13	>	import java.util.*;
14
15		public class ThreadPoolExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20		return new TestSuite(ThreadPoolExecutorTest.class);
21		}
22	<
22	>
23	>	static class ExtendedTPE extends ThreadPoolExecutor {
24	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
25	>	final CountDownLatch afterCalled = new CountDownLatch(1);
26	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
27	>
28	>	public ExtendedTPE() {
29	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
30	>	}
31	>	protected void beforeExecute(Thread t, Runnable r) {
32	>	beforeCalled.countDown();
33	>	}
34	>	protected void afterExecute(Runnable r, Throwable t) {
35	>	afterCalled.countDown();
36	>	}
37	>	protected void terminated() {
38	>	terminatedCalled.countDown();
39	>	}
40	>
41	>	public boolean beforeCalled() {
42	>	return beforeCalled.getCount() == 0;
43	>	}
44	>	public boolean afterCalled() {
45	>	return afterCalled.getCount() == 0;
46	>	}
47	>	public boolean terminatedCalled() {
48	>	return terminatedCalled.getCount() == 0;
49	>	}
50	>	}
51	>
52	>	static class FailingThreadFactory implements ThreadFactory {
53	>	int calls = 0;
54	>	public Thread newThread(Runnable r) {
55	>	if (++calls > 1) return null;
56	>	return new Thread(r);
57	>	}
58	>	}
59	>
60		/**
61	<	* For use as ThreadFactory in constructors
61	>	* execute successfully executes a runnable
62		*/
63	<	static class MyThreadFactory implements ThreadFactory{
64	<	public Thread newThread(Runnable r){
65	<	return new Thread(r);
66	<	}
63	>	public void testExecute() throws InterruptedException {
64	>	final ThreadPoolExecutor p =
65	>	new ThreadPoolExecutor(1, 1,
66	>	LONG_DELAY_MS, MILLISECONDS,
67	>	new ArrayBlockingQueue<Runnable>(10));
68	>	final CountDownLatch done = new CountDownLatch(1);
69	>	final Runnable task = new CheckedRunnable() {
70	>	public void realRun() {
71	>	done.countDown();
72	>	}};
73	>	try {
74	>	p.execute(task);
75	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
76	>	} finally {
77	>	joinPool(p);
78	>	}
79	>	}
80	>
81	>	/**
82	>	* getActiveCount increases but doesn't overestimate, when a
83	>	* thread becomes active
84	>	*/
85	>	public void testGetActiveCount() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(2, 2,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch threadStarted = new CountDownLatch(1);
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	try {
93	>	assertEquals(0, p.getActiveCount());
94	>	p.execute(new CheckedRunnable() {
95	>	public void realRun() throws InterruptedException {
96	>	threadStarted.countDown();
97	>	assertEquals(1, p.getActiveCount());
98	>	done.await();
99	>	}});
100	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
101	>	assertEquals(1, p.getActiveCount());
102	>	} finally {
103	>	done.countDown();
104	>	joinPool(p);
105	>	}
106		}
107
108		/**
109	<	* For use as RejectedExecutionHandler in constructors
109	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
110		*/
111	<	static class MyREHandler implements RejectedExecutionHandler{
112	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
111	>	public void testPrestartCoreThread() {
112	>	final ThreadPoolExecutor p =
113	>	new ThreadPoolExecutor(2, 2,
114	>	LONG_DELAY_MS, MILLISECONDS,
115	>	new ArrayBlockingQueue<Runnable>(10));
116	>	assertEquals(0, p.getPoolSize());
117	>	assertTrue(p.prestartCoreThread());
118	>	assertEquals(1, p.getPoolSize());
119	>	assertTrue(p.prestartCoreThread());
120	>	assertEquals(2, p.getPoolSize());
121	>	assertFalse(p.prestartCoreThread());
122	>	assertEquals(2, p.getPoolSize());
123	>	joinPool(p);
124		}
125	<
125	>
126		/**
127	<	*   execute successfully executes a runnable
127	>	* prestartAllCoreThreads starts all corePoolSize threads
128		*/
129	<	public void testExecute(){
130	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129	>	public void testPrestartAllCoreThreads() {
130	>	final ThreadPoolExecutor p =
131	>	new ThreadPoolExecutor(2, 2,
132	>	LONG_DELAY_MS, MILLISECONDS,
133	>	new ArrayBlockingQueue<Runnable>(10));
134	>	assertEquals(0, p.getPoolSize());
135	>	p.prestartAllCoreThreads();
136	>	assertEquals(2, p.getPoolSize());
137	>	p.prestartAllCoreThreads();
138	>	assertEquals(2, p.getPoolSize());
139	>	joinPool(p);
140	>	}
141	>
142	>	/**
143	>	* getCompletedTaskCount increases, but doesn't overestimate,
144	>	* when tasks complete
145	>	*/
146	>	public void testGetCompletedTaskCount() throws InterruptedException {
147	>	final ThreadPoolExecutor p =
148	>	new ThreadPoolExecutor(2, 2,
149	>	LONG_DELAY_MS, MILLISECONDS,
150	>	new ArrayBlockingQueue<Runnable>(10));
151	>	final CountDownLatch threadStarted = new CountDownLatch(1);
152	>	final CountDownLatch threadProceed = new CountDownLatch(1);
153	>	final CountDownLatch threadDone = new CountDownLatch(1);
154		try {
155	<	one.execute(new Runnable(){
156	<	public void run(){
157	<	try{
158	<	Thread.sleep(SHORT_DELAY_MS);
159	<	} catch(InterruptedException e){
160	<	fail("unexpected exception");
161	<	}
162	<	}
163	<	});
164	<	Thread.sleep(SMALL_DELAY_MS);
165	<	} catch(InterruptedException e){
166	<	fail("unexpected exception");
167	<	}
168	<	joinPool(one);
155	>	assertEquals(0, p.getCompletedTaskCount());
156	>	p.execute(new CheckedRunnable() {
157	>	public void realRun() throws InterruptedException {
158	>	threadStarted.countDown();
159	>	assertEquals(0, p.getCompletedTaskCount());
160	>	threadProceed.await();
161	>	threadDone.countDown();
162	>	}});
163	>	await(threadStarted);
164	>	assertEquals(0, p.getCompletedTaskCount());
165	>	threadProceed.countDown();
166	>	threadDone.await();
167	>	long startTime = System.nanoTime();
168	>	while (p.getCompletedTaskCount() != 1) {
169	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
170	>	fail("timed out");
171	>	Thread.yield();
172	>	}
173	>	} finally {
174	>	joinPool(p);
175	>	}
176	>	}
177	>
178	>	/**
179	>	* getCorePoolSize returns size given in constructor if not otherwise set
180	>	*/
181	>	public void testGetCorePoolSize() {
182	>	final ThreadPoolExecutor p =
183	>	new ThreadPoolExecutor(1, 1,
184	>	LONG_DELAY_MS, MILLISECONDS,
185	>	new ArrayBlockingQueue<Runnable>(10));
186	>	assertEquals(1, p.getCorePoolSize());
187	>	joinPool(p);
188	>	}
189	>
190	>	/**
191	>	* getKeepAliveTime returns value given in constructor if not otherwise set
192	>	*/
193	>	public void testGetKeepAliveTime() {
194	>	final ThreadPoolExecutor p =
195	>	new ThreadPoolExecutor(2, 2,
196	>	1000, MILLISECONDS,
197	>	new ArrayBlockingQueue<Runnable>(10));
198	>	assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
199	>	joinPool(p);
200	>	}
201	>
202	>	/**
203	>	* getThreadFactory returns factory in constructor if not set
204	>	*/
205	>	public void testGetThreadFactory() {
206	>	ThreadFactory tf = new SimpleThreadFactory();
207	>	final ThreadPoolExecutor p =
208	>	new ThreadPoolExecutor(1, 2,
209	>	LONG_DELAY_MS, MILLISECONDS,
210	>	new ArrayBlockingQueue<Runnable>(10),
211	>	tf,
212	>	new NoOpREHandler());
213	>	assertSame(tf, p.getThreadFactory());
214	>	joinPool(p);
215		}
216
217		/**
218	<	*   getActiveCount gives correct values
218	>	* setThreadFactory sets the thread factory returned by getThreadFactory
219		*/
220	<	public void testGetActiveCount(){
221	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
222	<	assertEquals(0, two.getActiveCount());
223	<	two.execute(new MediumRunnable());
224	<	try{
225	<	Thread.sleep(SHORT_DELAY_MS);
226	<	} catch(Exception e){
227	<	fail("unexpected exception");
220	>	public void testSetThreadFactory() {
221	>	final ThreadPoolExecutor p =
222	>	new ThreadPoolExecutor(1, 2,
223	>	LONG_DELAY_MS, MILLISECONDS,
224	>	new ArrayBlockingQueue<Runnable>(10));
225	>	ThreadFactory tf = new SimpleThreadFactory();
226	>	p.setThreadFactory(tf);
227	>	assertSame(tf, p.getThreadFactory());
228	>	joinPool(p);
229	>	}
230	>
231	>	/**
232	>	* setThreadFactory(null) throws NPE
233	>	*/
234	>	public void testSetThreadFactoryNull() {
235	>	final ThreadPoolExecutor p =
236	>	new ThreadPoolExecutor(1, 2,
237	>	LONG_DELAY_MS, MILLISECONDS,
238	>	new ArrayBlockingQueue<Runnable>(10));
239	>	try {
240	>	p.setThreadFactory(null);
241	>	shouldThrow();
242	>	} catch (NullPointerException success) {
243	>	} finally {
244	>	joinPool(p);
245		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
246		}
247	<
247	>
248	>	/**
249	>	* getRejectedExecutionHandler returns handler in constructor if not set
250	>	*/
251	>	public void testGetRejectedExecutionHandler() {
252	>	final RejectedExecutionHandler h = new NoOpREHandler();
253	>	final ThreadPoolExecutor p =
254	>	new ThreadPoolExecutor(1, 2,
255	>	LONG_DELAY_MS, MILLISECONDS,
256	>	new ArrayBlockingQueue<Runnable>(10),
257	>	h);
258	>	assertSame(h, p.getRejectedExecutionHandler());
259	>	joinPool(p);
260	>	}
261	>
262	>	/**
263	>	* setRejectedExecutionHandler sets the handler returned by
264	>	* getRejectedExecutionHandler
265	>	*/
266	>	public void testSetRejectedExecutionHandler() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	RejectedExecutionHandler h = new NoOpREHandler();
272	>	p.setRejectedExecutionHandler(h);
273	>	assertSame(h, p.getRejectedExecutionHandler());
274	>	joinPool(p);
275	>	}
276	>
277		/**
278	<	*   getCompleteTaskCount gives correct values
278	>	* setRejectedExecutionHandler(null) throws NPE
279		*/
280	<	public void testGetCompletedTaskCount(){
281	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
282	<	assertEquals(0, two.getCompletedTaskCount());
283	<	two.execute(new ShortRunnable());
284	<	try{
285	<	Thread.sleep(MEDIUM_DELAY_MS);
286	<	} catch(Exception e){
287	<	fail("unexpected exception");
280	>	public void testSetRejectedExecutionHandlerNull() {
281	>	final ThreadPoolExecutor p =
282	>	new ThreadPoolExecutor(1, 2,
283	>	LONG_DELAY_MS, MILLISECONDS,
284	>	new ArrayBlockingQueue<Runnable>(10));
285	>	try {
286	>	p.setRejectedExecutionHandler(null);
287	>	shouldThrow();
288	>	} catch (NullPointerException success) {
289	>	} finally {
290	>	joinPool(p);
291	>	}
292	>	}
293	>
294	>	/**
295	>	* getLargestPoolSize increases, but doesn't overestimate, when
296	>	* multiple threads active
297	>	*/
298	>	public void testGetLargestPoolSize() throws InterruptedException {
299	>	final int THREADS = 3;
300	>	final ThreadPoolExecutor p =
301	>	new ThreadPoolExecutor(THREADS, THREADS,
302	>	LONG_DELAY_MS, MILLISECONDS,
303	>	new ArrayBlockingQueue<Runnable>(10));
304	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
305	>	final CountDownLatch done = new CountDownLatch(1);
306	>	try {
307	>	assertEquals(0, p.getLargestPoolSize());
308	>	for (int i = 0; i < THREADS; i++)
309	>	p.execute(new CheckedRunnable() {
310	>	public void realRun() throws InterruptedException {
311	>	threadsStarted.countDown();
312	>	done.await();
313	>	assertEquals(THREADS, p.getLargestPoolSize());
314	>	}});
315	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
316	>	assertEquals(THREADS, p.getLargestPoolSize());
317	>	} finally {
318	>	done.countDown();
319	>	joinPool(p);
320	>	assertEquals(THREADS, p.getLargestPoolSize());
321		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
322		}
323	<
323	>
324		/**
325	<	*   getCorePoolSize gives correct values
325	>	* getMaximumPoolSize returns value given in constructor if not
326	>	* otherwise set
327		*/
328	<	public void testGetCorePoolSize(){
329	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
330	<	assertEquals(1, one.getCorePoolSize());
331	<	joinPool(one);
328	>	public void testGetMaximumPoolSize() {
329	>	final ThreadPoolExecutor p =
330	>	new ThreadPoolExecutor(2, 3,
331	>	LONG_DELAY_MS, MILLISECONDS,
332	>	new ArrayBlockingQueue<Runnable>(10));
333	>	assertEquals(3, p.getMaximumPoolSize());
334	>	joinPool(p);
335		}
336	<
336	>
337		/**
338	<	*   getKeepAliveTime gives correct values
338	>	* getPoolSize increases, but doesn't overestimate, when threads
339	>	* become active
340		*/
341	<	public void testGetKeepAliveTime(){
342	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
343	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
344	<	joinPool(two);
341	>	public void testGetPoolSize() throws InterruptedException {
342	>	final ThreadPoolExecutor p =
343	>	new ThreadPoolExecutor(1, 1,
344	>	LONG_DELAY_MS, MILLISECONDS,
345	>	new ArrayBlockingQueue<Runnable>(10));
346	>	final CountDownLatch threadStarted = new CountDownLatch(1);
347	>	final CountDownLatch done = new CountDownLatch(1);
348	>	try {
349	>	assertEquals(0, p.getPoolSize());
350	>	p.execute(new CheckedRunnable() {
351	>	public void realRun() throws InterruptedException {
352	>	threadStarted.countDown();
353	>	assertEquals(1, p.getPoolSize());
354	>	done.await();
355	>	}});
356	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
357	>	assertEquals(1, p.getPoolSize());
358	>	} finally {
359	>	done.countDown();
360	>	joinPool(p);
361	>	}
362		}
363	<
363	>
364		/**
365	<	*   getLargestPoolSize gives correct values
365	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
366		*/
367	<	public void testGetLargestPoolSize(){
368	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
367	>	public void testGetTaskCount() throws InterruptedException {
368	>	final ThreadPoolExecutor p =
369	>	new ThreadPoolExecutor(1, 1,
370	>	LONG_DELAY_MS, MILLISECONDS,
371	>	new ArrayBlockingQueue<Runnable>(10));
372	>	final CountDownLatch threadStarted = new CountDownLatch(1);
373	>	final CountDownLatch done = new CountDownLatch(1);
374		try {
375	<	assertEquals(0, two.getLargestPoolSize());
376	<	two.execute(new MediumRunnable());
377	<	two.execute(new MediumRunnable());
378	<	Thread.sleep(SHORT_DELAY_MS);
379	<	assertEquals(2, two.getLargestPoolSize());
380	<	} catch(Exception e){
381	<	fail("unexpected exception");
382	<	}
383	<	joinPool(two);
375	>	assertEquals(0, p.getTaskCount());
376	>	p.execute(new CheckedRunnable() {
377	>	public void realRun() throws InterruptedException {
378	>	threadStarted.countDown();
379	>	assertEquals(1, p.getTaskCount());
380	>	done.await();
381	>	}});
382	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
383	>	assertEquals(1, p.getTaskCount());
384	>	} finally {
385	>	done.countDown();
386	>	joinPool(p);
387	>	}
388		}
389	<
389	>
390	>	/**
391	>	* isShutdown is false before shutdown, true after
392	>	*/
393	>	public void testIsShutdown() {
394	>	final ThreadPoolExecutor p =
395	>	new ThreadPoolExecutor(1, 1,
396	>	LONG_DELAY_MS, MILLISECONDS,
397	>	new ArrayBlockingQueue<Runnable>(10));
398	>	assertFalse(p.isShutdown());
399	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
400	>	assertTrue(p.isShutdown());
401	>	joinPool(p);
402	>	}
403	>
404		/**
405	<	*   getMaximumPoolSize gives correct values
405	>	* awaitTermination on a non-shutdown pool times out
406		*/
407	<	public void testGetMaximumPoolSize(){
408	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
409	<	assertEquals(2, two.getMaximumPoolSize());
410	<	joinPool(two);
407	>	public void testAwaitTermination_timesOut() throws InterruptedException {
408	>	final ThreadPoolExecutor p =
409	>	new ThreadPoolExecutor(1, 1,
410	>	LONG_DELAY_MS, MILLISECONDS,
411	>	new ArrayBlockingQueue<Runnable>(10));
412	>	assertFalse(p.isTerminated());
413	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
414	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
415	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
416	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
417	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
418	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
419	>	long timeoutNanos = 999999L;
420	>	long startTime = System.nanoTime();
421	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
422	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
423	>	assertFalse(p.isTerminated());
424	>	startTime = System.nanoTime();
425	>	long timeoutMillis = timeoutMillis();
426	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
427	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
428	>	assertFalse(p.isTerminated());
429	>	p.shutdown();
430	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
431	>	assertTrue(p.isTerminated());
432		}
433	<
433	>
434		/**
435	<	*   getPoolSize gives correct values
435	>	* isTerminated is false before termination, true after
436		*/
437	<	public void testGetPoolSize(){
438	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
439	<	assertEquals(0, one.getPoolSize());
440	<	one.execute(new MediumRunnable());
441	<	assertEquals(1, one.getPoolSize());
442	<	joinPool(one);
437	>	public void testIsTerminated() throws InterruptedException {
438	>	final ThreadPoolExecutor p =
439	>	new ThreadPoolExecutor(1, 1,
440	>	LONG_DELAY_MS, MILLISECONDS,
441	>	new ArrayBlockingQueue<Runnable>(10));
442	>	final CountDownLatch threadStarted = new CountDownLatch(1);
443	>	final CountDownLatch done = new CountDownLatch(1);
444	>	assertFalse(p.isTerminated());
445	>	try {
446	>	p.execute(new CheckedRunnable() {
447	>	public void realRun() throws InterruptedException {
448	>	assertFalse(p.isTerminated());
449	>	threadStarted.countDown();
450	>	done.await();
451	>	}});
452	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
453	>	assertFalse(p.isTerminating());
454	>	done.countDown();
455	>	} finally {
456	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
457	>	}
458	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
459	>	assertTrue(p.isTerminated());
460		}
461	<
461	>
462		/**
463	<	*   getTaskCount gives correct values
463	>	* isTerminating is not true when running or when terminated
464		*/
465	<	public void testGetTaskCount(){
466	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
465	>	public void testIsTerminating() throws InterruptedException {
466	>	final ThreadPoolExecutor p =
467	>	new ThreadPoolExecutor(1, 1,
468	>	LONG_DELAY_MS, MILLISECONDS,
469	>	new ArrayBlockingQueue<Runnable>(10));
470	>	final CountDownLatch threadStarted = new CountDownLatch(1);
471	>	final CountDownLatch done = new CountDownLatch(1);
472		try {
473	<	assertEquals(0, one.getTaskCount());
474	<	for(int i = 0; i < 5; i++)
475	<	one.execute(new MediumRunnable());
476	<	Thread.sleep(SHORT_DELAY_MS);
477	<	assertEquals(5, one.getTaskCount());
478	<	} catch(Exception e){
479	<	fail("unexpected exception");
480	<	}
481	<	joinPool(one);
473	>	assertFalse(p.isTerminating());
474	>	p.execute(new CheckedRunnable() {
475	>	public void realRun() throws InterruptedException {
476	>	assertFalse(p.isTerminating());
477	>	threadStarted.countDown();
478	>	done.await();
479	>	}});
480	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
481	>	assertFalse(p.isTerminating());
482	>	done.countDown();
483	>	} finally {
484	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
485	>	}
486	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
487	>	assertTrue(p.isTerminated());
488	>	assertFalse(p.isTerminating());
489		}
490	<
490	>
491		/**
492	<	*   isShutDown gives correct values
492	>	* getQueue returns the work queue, which contains queued tasks
493		*/
494	<	public void testIsShutdown(){
495	<
496	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
497	<	assertFalse(one.isShutdown());
498	<	one.shutdown();
499	<	assertTrue(one.isShutdown());
500	<	joinPool(one);
494	>	public void testGetQueue() throws InterruptedException {
495	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
496	>	final ThreadPoolExecutor p =
497	>	new ThreadPoolExecutor(1, 1,
498	>	LONG_DELAY_MS, MILLISECONDS,
499	>	q);
500	>	final CountDownLatch threadStarted = new CountDownLatch(1);
501	>	final CountDownLatch done = new CountDownLatch(1);
502	>	try {
503	>	FutureTask[] tasks = new FutureTask[5];
504	>	for (int i = 0; i < tasks.length; i++) {
505	>	Callable task = new CheckedCallable<Boolean>() {
506	>	public Boolean realCall() throws InterruptedException {
507	>	threadStarted.countDown();
508	>	assertSame(q, p.getQueue());
509	>	done.await();
510	>	return Boolean.TRUE;
511	>	}};
512	>	tasks[i] = new FutureTask(task);
513	>	p.execute(tasks[i]);
514	>	}
515	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
516	>	assertSame(q, p.getQueue());
517	>	assertFalse(q.contains(tasks[0]));
518	>	assertTrue(q.contains(tasks[tasks.length - 1]));
519	>	assertEquals(tasks.length - 1, q.size());
520	>	} finally {
521	>	done.countDown();
522	>	joinPool(p);
523	>	}
524		}
525
175	–
526		/**
527	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
527	>	* remove(task) removes queued task, and fails to remove active task
528		*/
529	<	public void testIsTerminated(){
530	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
529	>	public void testRemove() throws InterruptedException {
530	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
531	>	final ThreadPoolExecutor p =
532	>	new ThreadPoolExecutor(1, 1,
533	>	LONG_DELAY_MS, MILLISECONDS,
534	>	q);
535	>	Runnable[] tasks = new Runnable[5];
536	>	final CountDownLatch threadStarted = new CountDownLatch(1);
537	>	final CountDownLatch done = new CountDownLatch(1);
538		try {
539	<	one.execute(new MediumRunnable());
539	>	for (int i = 0; i < tasks.length; i++) {
540	>	tasks[i] = new CheckedRunnable() {
541	>	public void realRun() throws InterruptedException {
542	>	threadStarted.countDown();
543	>	done.await();
544	>	}};
545	>	p.execute(tasks[i]);
546	>	}
547	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
548	>	assertFalse(p.remove(tasks[0]));
549	>	assertTrue(q.contains(tasks[4]));
550	>	assertTrue(q.contains(tasks[3]));
551	>	assertTrue(p.remove(tasks[4]));
552	>	assertFalse(p.remove(tasks[4]));
553	>	assertFalse(q.contains(tasks[4]));
554	>	assertTrue(q.contains(tasks[3]));
555	>	assertTrue(p.remove(tasks[3]));
556	>	assertFalse(q.contains(tasks[3]));
557		} finally {
558	<	one.shutdown();
558	>	done.countDown();
559	>	joinPool(p);
560		}
188	–	try {
189	–	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	–	assertTrue(one.isTerminated());
191	–	} catch(Exception e){
192	–	fail("unexpected exception");
193	–	}
561		}
562
563		/**
564	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
564	>	* purge removes cancelled tasks from the queue
565		*/
566	<	public void testPurge(){
567	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
568	<	CancellableTask[] tasks = new CancellableTask[5];
569	<	for(int i = 0; i < 5; i++){
570	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
571	<	one.execute(tasks[i]);
566	>	public void testPurge() throws InterruptedException {
567	>	final CountDownLatch threadStarted = new CountDownLatch(1);
568	>	final CountDownLatch done = new CountDownLatch(1);
569	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
570	>	final ThreadPoolExecutor p =
571	>	new ThreadPoolExecutor(1, 1,
572	>	LONG_DELAY_MS, MILLISECONDS,
573	>	q);
574	>	FutureTask[] tasks = new FutureTask[5];
575	>	try {
576	>	for (int i = 0; i < tasks.length; i++) {
577	>	Callable task = new CheckedCallable<Boolean>() {
578	>	public Boolean realCall() throws InterruptedException {
579	>	threadStarted.countDown();
580	>	done.await();
581	>	return Boolean.TRUE;
582	>	}};
583	>	tasks[i] = new FutureTask(task);
584	>	p.execute(tasks[i]);
585	>	}
586	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
587	>	assertEquals(tasks.length, p.getTaskCount());
588	>	assertEquals(tasks.length - 1, q.size());
589	>	assertEquals(1L, p.getActiveCount());
590	>	assertEquals(0L, p.getCompletedTaskCount());
591	>	tasks[4].cancel(true);
592	>	tasks[3].cancel(false);
593	>	p.purge();
594	>	assertEquals(tasks.length - 3, q.size());
595	>	assertEquals(tasks.length - 2, p.getTaskCount());
596	>	p.purge();         // Nothing to do
597	>	assertEquals(tasks.length - 3, q.size());
598	>	assertEquals(tasks.length - 2, p.getTaskCount());
599	>	} finally {
600	>	done.countDown();
601	>	joinPool(p);
602		}
207	–	tasks[4].cancel(true);
208	–	tasks[3].cancel(true);
209	–	one.purge();
210	–	long count = one.getTaskCount();
211	–	assertTrue(count >= 2 && count < 5);
212	–	joinPool(one);
603		}
604
605		/**
606	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
606	>	* shutdownNow returns a list containing tasks that were not run
607		*/
608	<	public void testShutDownNow(){
609	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
608	>	public void testShutdownNow() {
609	>	final ThreadPoolExecutor p =
610	>	new ThreadPoolExecutor(1, 1,
611	>	LONG_DELAY_MS, MILLISECONDS,
612	>	new ArrayBlockingQueue<Runnable>(10));
613		List l;
614		try {
615	<	for(int i = 0; i < 5; i++)
616	<	one.execute(new MediumPossiblyInterruptedRunnable());
615	>	for (int i = 0; i < 5; i++)
616	>	p.execute(new MediumPossiblyInterruptedRunnable());
617		}
618		finally {
619	<	l = one.shutdownNow();
619	>	try {
620	>	l = p.shutdownNow();
621	>	} catch (SecurityException ok) { return; }
622		}
623	<	assertTrue(one.isShutdown());
624	<	assertTrue(l.size() <= 4);
623	>	assertTrue(p.isShutdown());
624	>	assertTrue(l.size() <= 4);
625		}
626
627		// Exception Tests
234	–
628
629	<	/** Throws if corePoolSize argument is less than zero */
629	>	/**
630	>	* Constructor throws if corePoolSize argument is less than zero
631	>	*/
632		public void testConstructor1() {
633	<	try{
634	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
635	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
636	<	}
637	<	catch (IllegalArgumentException success){}
633	>	try {
634	>	new ThreadPoolExecutor(-1, 1,
635	>	LONG_DELAY_MS, MILLISECONDS,
636	>	new ArrayBlockingQueue<Runnable>(10));
637	>	shouldThrow();
638	>	} catch (IllegalArgumentException success) {}
639		}
640	<
641	<	/** Throws if maximumPoolSize is less than zero */
640	>
641	>	/**
642	>	* Constructor throws if maximumPoolSize is less than zero
643	>	*/
644		public void testConstructor2() {
645	<	try{
646	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
647	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
648	<	}
649	<	catch (IllegalArgumentException success){}
645	>	try {
646	>	new ThreadPoolExecutor(1, -1,
647	>	LONG_DELAY_MS, MILLISECONDS,
648	>	new ArrayBlockingQueue<Runnable>(10));
649	>	shouldThrow();
650	>	} catch (IllegalArgumentException success) {}
651		}
652	<
653	<	/** Throws if maximumPoolSize is equal to zero */
652	>
653	>	/**
654	>	* Constructor throws if maximumPoolSize is equal to zero
655	>	*/
656		public void testConstructor3() {
657	<	try{
658	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
659	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
660	<	}
661	<	catch (IllegalArgumentException success){}
657	>	try {
658	>	new ThreadPoolExecutor(1, 0,
659	>	LONG_DELAY_MS, MILLISECONDS,
660	>	new ArrayBlockingQueue<Runnable>(10));
661	>	shouldThrow();
662	>	} catch (IllegalArgumentException success) {}
663		}
664
665	<	/** Throws if keepAliveTime is less than zero */
665	>	/**
666	>	* Constructor throws if keepAliveTime is less than zero
667	>	*/
668		public void testConstructor4() {
669	<	try{
670	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
671	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
672	<	}
673	<	catch (IllegalArgumentException success){}
669	>	try {
670	>	new ThreadPoolExecutor(1, 2,
671	>	-1L, MILLISECONDS,
672	>	new ArrayBlockingQueue<Runnable>(10));
673	>	shouldThrow();
674	>	} catch (IllegalArgumentException success) {}
675		}
676
677	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
677	>	/**
678	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
679	>	*/
680		public void testConstructor5() {
681	<	try{
682	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
683	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
684	<	}
685	<	catch (IllegalArgumentException success){}
681	>	try {
682	>	new ThreadPoolExecutor(2, 1,
683	>	LONG_DELAY_MS, MILLISECONDS,
684	>	new ArrayBlockingQueue<Runnable>(10));
685	>	shouldThrow();
686	>	} catch (IllegalArgumentException success) {}
687		}
688	<
689	<	/** Throws if workQueue is set to null */
690	<	public void testNullPointerException() {
691	<	try{
692	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
693	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
694	<	}
695	<	catch (NullPointerException success){}
688	>
689	>	/**
690	>	* Constructor throws if workQueue is set to null
691	>	*/
692	>	public void testConstructorNullPointerException() {
693	>	try {
694	>	new ThreadPoolExecutor(1, 2,
695	>	LONG_DELAY_MS, MILLISECONDS,
696	>	(BlockingQueue) null);
697	>	shouldThrow();
698	>	} catch (NullPointerException success) {}
699		}
289	–
700
701	<
702	<	/** Throws if corePoolSize argument is less than zero */
701	>	/**
702	>	* Constructor throws if corePoolSize argument is less than zero
703	>	*/
704		public void testConstructor6() {
705	<	try{
706	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
707	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
708	<	} catch (IllegalArgumentException success){}
705	>	try {
706	>	new ThreadPoolExecutor(-1, 1,
707	>	LONG_DELAY_MS, MILLISECONDS,
708	>	new ArrayBlockingQueue<Runnable>(10),
709	>	new SimpleThreadFactory());
710	>	shouldThrow();
711	>	} catch (IllegalArgumentException success) {}
712		}
713	<
714	<	/** Throws if maximumPoolSize is less than zero */
713	>
714	>	/**
715	>	* Constructor throws if maximumPoolSize is less than zero
716	>	*/
717		public void testConstructor7() {
718	<	try{
719	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
720	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
721	<	}
722	<	catch (IllegalArgumentException success){}
718	>	try {
719	>	new ThreadPoolExecutor(1, -1,
720	>	LONG_DELAY_MS, MILLISECONDS,
721	>	new ArrayBlockingQueue<Runnable>(10),
722	>	new SimpleThreadFactory());
723	>	shouldThrow();
724	>	} catch (IllegalArgumentException success) {}
725		}
726
727	<	/** Throws if maximumPoolSize is equal to zero */
727	>	/**
728	>	* Constructor throws if maximumPoolSize is equal to zero
729	>	*/
730		public void testConstructor8() {
731	<	try{
732	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
733	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
734	<	}
735	<	catch (IllegalArgumentException success){}
731	>	try {
732	>	new ThreadPoolExecutor(1, 0,
733	>	LONG_DELAY_MS, MILLISECONDS,
734	>	new ArrayBlockingQueue<Runnable>(10),
735	>	new SimpleThreadFactory());
736	>	shouldThrow();
737	>	} catch (IllegalArgumentException success) {}
738		}
739
740	<	/** Throws if keepAliveTime is less than zero */
740	>	/**
741	>	* Constructor throws if keepAliveTime is less than zero
742	>	*/
743		public void testConstructor9() {
744	<	try{
745	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
746	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
747	<	}
748	<	catch (IllegalArgumentException success){}
744	>	try {
745	>	new ThreadPoolExecutor(1, 2,
746	>	-1L, MILLISECONDS,
747	>	new ArrayBlockingQueue<Runnable>(10),
748	>	new SimpleThreadFactory());
749	>	shouldThrow();
750	>	} catch (IllegalArgumentException success) {}
751		}
752
753	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
753	>	/**
754	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
755	>	*/
756		public void testConstructor10() {
757	<	try{
758	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
759	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
757	>	try {
758	>	new ThreadPoolExecutor(2, 1,
759	>	LONG_DELAY_MS, MILLISECONDS,
760	>	new ArrayBlockingQueue<Runnable>(10),
761	>	new SimpleThreadFactory());
762	>	shouldThrow();
763	>	} catch (IllegalArgumentException success) {}
764	>	}
765	>
766	>	/**
767	>	* Constructor throws if workQueue is set to null
768	>	*/
769	>	public void testConstructorNullPointerException2() {
770	>	try {
771	>	new ThreadPoolExecutor(1, 2,
772	>	LONG_DELAY_MS, MILLISECONDS,
773	>	(BlockingQueue) null,
774	>	new SimpleThreadFactory());
775	>	shouldThrow();
776	>	} catch (NullPointerException success) {}
777	>	}
778	>
779	>	/**
780	>	* Constructor throws if threadFactory is set to null
781	>	*/
782	>	public void testConstructorNullPointerException3() {
783	>	try {
784	>	new ThreadPoolExecutor(1, 2,
785	>	LONG_DELAY_MS, MILLISECONDS,
786	>	new ArrayBlockingQueue<Runnable>(10),
787	>	(ThreadFactory) null);
788	>	shouldThrow();
789	>	} catch (NullPointerException success) {}
790	>	}
791	>
792	>	/**
793	>	* Constructor throws if corePoolSize argument is less than zero
794	>	*/
795	>	public void testConstructor11() {
796	>	try {
797	>	new ThreadPoolExecutor(-1, 1,
798	>	LONG_DELAY_MS, MILLISECONDS,
799	>	new ArrayBlockingQueue<Runnable>(10),
800	>	new NoOpREHandler());
801	>	shouldThrow();
802	>	} catch (IllegalArgumentException success) {}
803	>	}
804	>
805	>	/**
806	>	* Constructor throws if maximumPoolSize is less than zero
807	>	*/
808	>	public void testConstructor12() {
809	>	try {
810	>	new ThreadPoolExecutor(1, -1,
811	>	LONG_DELAY_MS, MILLISECONDS,
812	>	new ArrayBlockingQueue<Runnable>(10),
813	>	new NoOpREHandler());
814	>	shouldThrow();
815	>	} catch (IllegalArgumentException success) {}
816	>	}
817	>
818	>	/**
819	>	* Constructor throws if maximumPoolSize is equal to zero
820	>	*/
821	>	public void testConstructor13() {
822	>	try {
823	>	new ThreadPoolExecutor(1, 0,
824	>	LONG_DELAY_MS, MILLISECONDS,
825	>	new ArrayBlockingQueue<Runnable>(10),
826	>	new NoOpREHandler());
827	>	shouldThrow();
828	>	} catch (IllegalArgumentException success) {}
829	>	}
830	>
831	>	/**
832	>	* Constructor throws if keepAliveTime is less than zero
833	>	*/
834	>	public void testConstructor14() {
835	>	try {
836	>	new ThreadPoolExecutor(1, 2,
837	>	-1L, MILLISECONDS,
838	>	new ArrayBlockingQueue<Runnable>(10),
839	>	new NoOpREHandler());
840	>	shouldThrow();
841	>	} catch (IllegalArgumentException success) {}
842	>	}
843	>
844	>	/**
845	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
846	>	*/
847	>	public void testConstructor15() {
848	>	try {
849	>	new ThreadPoolExecutor(2, 1,
850	>	LONG_DELAY_MS, MILLISECONDS,
851	>	new ArrayBlockingQueue<Runnable>(10),
852	>	new NoOpREHandler());
853	>	shouldThrow();
854	>	} catch (IllegalArgumentException success) {}
855	>	}
856	>
857	>	/**
858	>	* Constructor throws if workQueue is set to null
859	>	*/
860	>	public void testConstructorNullPointerException4() {
861	>	try {
862	>	new ThreadPoolExecutor(1, 2,
863	>	LONG_DELAY_MS, MILLISECONDS,
864	>	(BlockingQueue) null,
865	>	new NoOpREHandler());
866	>	shouldThrow();
867	>	} catch (NullPointerException success) {}
868	>	}
869	>
870	>	/**
871	>	* Constructor throws if handler is set to null
872	>	*/
873	>	public void testConstructorNullPointerException5() {
874	>	try {
875	>	new ThreadPoolExecutor(1, 2,
876	>	LONG_DELAY_MS, MILLISECONDS,
877	>	new ArrayBlockingQueue<Runnable>(10),
878	>	(RejectedExecutionHandler) null);
879	>	shouldThrow();
880	>	} catch (NullPointerException success) {}
881	>	}
882	>
883	>	/**
884	>	* Constructor throws if corePoolSize argument is less than zero
885	>	*/
886	>	public void testConstructor16() {
887	>	try {
888	>	new ThreadPoolExecutor(-1, 1,
889	>	LONG_DELAY_MS, MILLISECONDS,
890	>	new ArrayBlockingQueue<Runnable>(10),
891	>	new SimpleThreadFactory(),
892	>	new NoOpREHandler());
893	>	shouldThrow();
894	>	} catch (IllegalArgumentException success) {}
895	>	}
896	>
897	>	/**
898	>	* Constructor throws if maximumPoolSize is less than zero
899	>	*/
900	>	public void testConstructor17() {
901	>	try {
902	>	new ThreadPoolExecutor(1, -1,
903	>	LONG_DELAY_MS, MILLISECONDS,
904	>	new ArrayBlockingQueue<Runnable>(10),
905	>	new SimpleThreadFactory(),
906	>	new NoOpREHandler());
907	>	shouldThrow();
908	>	} catch (IllegalArgumentException success) {}
909	>	}
910	>
911	>	/**
912	>	* Constructor throws if maximumPoolSize is equal to zero
913	>	*/
914	>	public void testConstructor18() {
915	>	try {
916	>	new ThreadPoolExecutor(1, 0,
917	>	LONG_DELAY_MS, MILLISECONDS,
918	>	new ArrayBlockingQueue<Runnable>(10),
919	>	new SimpleThreadFactory(),
920	>	new NoOpREHandler());
921	>	shouldThrow();
922	>	} catch (IllegalArgumentException success) {}
923	>	}
924	>
925	>	/**
926	>	* Constructor throws if keepAliveTime is less than zero
927	>	*/
928	>	public void testConstructor19() {
929	>	try {
930	>	new ThreadPoolExecutor(1, 2,
931	>	-1L, MILLISECONDS,
932	>	new ArrayBlockingQueue<Runnable>(10),
933	>	new SimpleThreadFactory(),
934	>	new NoOpREHandler());
935	>	shouldThrow();
936	>	} catch (IllegalArgumentException success) {}
937	>	}
938	>
939	>	/**
940	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
941	>	*/
942	>	public void testConstructor20() {
943	>	try {
944	>	new ThreadPoolExecutor(2, 1,
945	>	LONG_DELAY_MS, MILLISECONDS,
946	>	new ArrayBlockingQueue<Runnable>(10),
947	>	new SimpleThreadFactory(),
948	>	new NoOpREHandler());
949	>	shouldThrow();
950	>	} catch (IllegalArgumentException success) {}
951	>	}
952	>
953	>	/**
954	>	* Constructor throws if workQueue is null
955	>	*/
956	>	public void testConstructorNullPointerException6() {
957	>	try {
958	>	new ThreadPoolExecutor(1, 2,
959	>	LONG_DELAY_MS, MILLISECONDS,
960	>	(BlockingQueue) null,
961	>	new SimpleThreadFactory(),
962	>	new NoOpREHandler());
963	>	shouldThrow();
964	>	} catch (NullPointerException success) {}
965	>	}
966	>
967	>	/**
968	>	* Constructor throws if handler is null
969	>	*/
970	>	public void testConstructorNullPointerException7() {
971	>	try {
972	>	new ThreadPoolExecutor(1, 2,
973	>	LONG_DELAY_MS, MILLISECONDS,
974	>	new ArrayBlockingQueue<Runnable>(10),
975	>	new SimpleThreadFactory(),
976	>	(RejectedExecutionHandler) null);
977	>	shouldThrow();
978	>	} catch (NullPointerException success) {}
979	>	}
980	>
981	>	/**
982	>	* Constructor throws if ThreadFactory is null
983	>	*/
984	>	public void testConstructorNullPointerException8() {
985	>	try {
986	>	new ThreadPoolExecutor(1, 2,
987	>	LONG_DELAY_MS, MILLISECONDS,
988	>	new ArrayBlockingQueue<Runnable>(10),
989	>	(ThreadFactory) null,
990	>	new NoOpREHandler());
991	>	shouldThrow();
992	>	} catch (NullPointerException success) {}
993	>	}
994	>
995	>	/**
996	>	* get of submitted callable throws InterruptedException if interrupted
997	>	*/
998	>	public void testInterruptedSubmit() throws InterruptedException {
999	>	final ThreadPoolExecutor p =
1000	>	new ThreadPoolExecutor(1, 1,
1001	>	60, TimeUnit.SECONDS,
1002	>	new ArrayBlockingQueue<Runnable>(10));
1003	>
1004	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1005	>	final CountDownLatch done = new CountDownLatch(1);
1006	>	try {
1007	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1008	>	public void realRun() throws Exception {
1009	>	Callable task = new CheckedCallable<Boolean>() {
1010	>	public Boolean realCall() throws InterruptedException {
1011	>	threadStarted.countDown();
1012	>	done.await();
1013	>	return Boolean.TRUE;
1014	>	}};
1015	>	p.submit(task).get();
1016	>	}});
1017	>
1018	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1019	>	t.interrupt();
1020	>	awaitTermination(t, MEDIUM_DELAY_MS);
1021	>	} finally {
1022	>	done.countDown();
1023	>	joinPool(p);
1024		}
333	–	catch (IllegalArgumentException success){}
1025		}
1026
1027	<	/** Throws if workQueue is set to null */
1028	<	public void testNullPointerException2() {
1029	<	try{
1030	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1031	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1027	>	/**
1028	>	* execute throws RejectedExecutionException if saturated.
1029	>	*/
1030	>	public void testSaturatedExecute() {
1031	>	ThreadPoolExecutor p =
1032	>	new ThreadPoolExecutor(1, 1,
1033	>	LONG_DELAY_MS, MILLISECONDS,
1034	>	new ArrayBlockingQueue<Runnable>(1));
1035	>	final CountDownLatch done = new CountDownLatch(1);
1036	>	try {
1037	>	Runnable task = new CheckedRunnable() {
1038	>	public void realRun() throws InterruptedException {
1039	>	done.await();
1040	>	}};
1041	>	for (int i = 0; i < 2; ++i)
1042	>	p.execute(task);
1043	>	for (int i = 0; i < 2; ++i) {
1044	>	try {
1045	>	p.execute(task);
1046	>	shouldThrow();
1047	>	} catch (RejectedExecutionException success) {}
1048	>	assertTrue(p.getTaskCount() <= 2);
1049	>	}
1050	>	} finally {
1051	>	done.countDown();
1052	>	joinPool(p);
1053		}
342	–	catch (NullPointerException success){}
1054		}
1055
1056	<	/** Throws if threadFactory is set to null */
1057	<	public void testNullPointerException3() {
1058	<	try{
1059	<	ThreadFactory f = null;
1060	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1061	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1056	>	/**
1057	>	* submit(runnable) throws RejectedExecutionException if saturated.
1058	>	*/
1059	>	public void testSaturatedSubmitRunnable() {
1060	>	ThreadPoolExecutor p =
1061	>	new ThreadPoolExecutor(1, 1,
1062	>	LONG_DELAY_MS, MILLISECONDS,
1063	>	new ArrayBlockingQueue<Runnable>(1));
1064	>	final CountDownLatch done = new CountDownLatch(1);
1065	>	try {
1066	>	Runnable task = new CheckedRunnable() {
1067	>	public void realRun() throws InterruptedException {
1068	>	done.await();
1069	>	}};
1070	>	for (int i = 0; i < 2; ++i)
1071	>	p.submit(task);
1072	>	for (int i = 0; i < 2; ++i) {
1073	>	try {
1074	>	p.execute(task);
1075	>	shouldThrow();
1076	>	} catch (RejectedExecutionException success) {}
1077	>	assertTrue(p.getTaskCount() <= 2);
1078	>	}
1079	>	} finally {
1080	>	done.countDown();
1081	>	joinPool(p);
1082		}
352	–	catch (NullPointerException success){}
1083		}
1084	<
1085	<
1086	<	/** Throws if corePoolSize argument is less than zero */
1087	<	public void testConstructor11() {
1088	<	try{
1089	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1090	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1084	>
1085	>	/**
1086	>	* submit(callable) throws RejectedExecutionException if saturated.
1087	>	*/
1088	>	public void testSaturatedSubmitCallable() {
1089	>	ThreadPoolExecutor p =
1090	>	new ThreadPoolExecutor(1, 1,
1091	>	LONG_DELAY_MS, MILLISECONDS,
1092	>	new ArrayBlockingQueue<Runnable>(1));
1093	>	final CountDownLatch done = new CountDownLatch(1);
1094	>	try {
1095	>	Runnable task = new CheckedRunnable() {
1096	>	public void realRun() throws InterruptedException {
1097	>	done.await();
1098	>	}};
1099	>	for (int i = 0; i < 2; ++i)
1100	>	p.submit(Executors.callable(task));
1101	>	for (int i = 0; i < 2; ++i) {
1102	>	try {
1103	>	p.execute(task);
1104	>	shouldThrow();
1105	>	} catch (RejectedExecutionException success) {}
1106	>	assertTrue(p.getTaskCount() <= 2);
1107	>	}
1108	>	} finally {
1109	>	done.countDown();
1110	>	joinPool(p);
1111		}
362	–	catch (IllegalArgumentException success){}
1112		}
1113
1114	<	/** Throws if maximumPoolSize is less than zero */
1115	<	public void testConstructor12() {
1116	<	try{
1117	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1118	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1114	>	/**
1115	>	* executor using CallerRunsPolicy runs task if saturated.
1116	>	*/
1117	>	public void testSaturatedExecute2() {
1118	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1119	>	final ThreadPoolExecutor p =
1120	>	new ThreadPoolExecutor(1, 1,
1121	>	LONG_DELAY_MS,
1122	>	MILLISECONDS,
1123	>	new ArrayBlockingQueue<Runnable>(1),
1124	>	h);
1125	>	try {
1126	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1127	>	for (int i = 0; i < tasks.length; ++i)
1128	>	tasks[i] = new TrackedNoOpRunnable();
1129	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1130	>	p.execute(mr);
1131	>	for (int i = 0; i < tasks.length; ++i)
1132	>	p.execute(tasks[i]);
1133	>	for (int i = 1; i < tasks.length; ++i)
1134	>	assertTrue(tasks[i].done);
1135	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1136	>	} finally {
1137	>	joinPool(p);
1138		}
371	–	catch (IllegalArgumentException success){}
1139		}
1140
1141	<	/** Throws if maximumPoolSize is equal to zero */
1142	<	public void testConstructor13() {
1143	<	try{
1144	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1145	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1141	>	/**
1142	>	* executor using DiscardPolicy drops task if saturated.
1143	>	*/
1144	>	public void testSaturatedExecute3() {
1145	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1146	>	final ThreadPoolExecutor p =
1147	>	new ThreadPoolExecutor(1, 1,
1148	>	LONG_DELAY_MS, MILLISECONDS,
1149	>	new ArrayBlockingQueue<Runnable>(1),
1150	>	h);
1151	>	try {
1152	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1153	>	for (int i = 0; i < tasks.length; ++i)
1154	>	tasks[i] = new TrackedNoOpRunnable();
1155	>	p.execute(new TrackedLongRunnable());
1156	>	for (TrackedNoOpRunnable task : tasks)
1157	>	p.execute(task);
1158	>	for (TrackedNoOpRunnable task : tasks)
1159	>	assertFalse(task.done);
1160	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1161	>	} finally {
1162	>	joinPool(p);
1163		}
380	–	catch (IllegalArgumentException success){}
1164		}
1165
1166	<	/** Throws if keepAliveTime is less than zero */
1167	<	public void testConstructor14() {
1168	<	try{
1169	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1170	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1166	>	/**
1167	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1168	>	*/
1169	>	public void testSaturatedExecute4() {
1170	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1171	>	final ThreadPoolExecutor p =
1172	>	new ThreadPoolExecutor(1, 1,
1173	>	LONG_DELAY_MS, MILLISECONDS,
1174	>	new ArrayBlockingQueue<Runnable>(1),
1175	>	h);
1176	>	try {
1177	>	p.execute(new TrackedLongRunnable());
1178	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1179	>	p.execute(r2);
1180	>	assertTrue(p.getQueue().contains(r2));
1181	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1182	>	p.execute(r3);
1183	>	assertFalse(p.getQueue().contains(r2));
1184	>	assertTrue(p.getQueue().contains(r3));
1185	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1186	>	} finally {
1187	>	joinPool(p);
1188		}
389	–	catch (IllegalArgumentException success){}
1189		}
1190
1191	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1192	<	public void testConstructor15() {
1193	<	try{
1194	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1195	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1191	>	/**
1192	>	* execute throws RejectedExecutionException if shutdown
1193	>	*/
1194	>	public void testRejectedExecutionExceptionOnShutdown() {
1195	>	ThreadPoolExecutor p =
1196	>	new ThreadPoolExecutor(1, 1,
1197	>	LONG_DELAY_MS, MILLISECONDS,
1198	>	new ArrayBlockingQueue<Runnable>(1));
1199	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1200	>	try {
1201	>	p.execute(new NoOpRunnable());
1202	>	shouldThrow();
1203	>	} catch (RejectedExecutionException success) {}
1204	>
1205	>	joinPool(p);
1206	>	}
1207	>
1208	>	/**
1209	>	* execute using CallerRunsPolicy drops task on shutdown
1210	>	*/
1211	>	public void testCallerRunsOnShutdown() {
1212	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1213	>	final ThreadPoolExecutor p =
1214	>	new ThreadPoolExecutor(1, 1,
1215	>	LONG_DELAY_MS, MILLISECONDS,
1216	>	new ArrayBlockingQueue<Runnable>(1), h);
1217	>
1218	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1219	>	try {
1220	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1221	>	p.execute(r);
1222	>	assertFalse(r.done);
1223	>	} finally {
1224	>	joinPool(p);
1225		}
398	–	catch (IllegalArgumentException success){}
1226		}
1227
1228	<	/** Throws if workQueue is set to null */
1229	<	public void testNullPointerException4() {
1230	<	try{
1231	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1232	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1228	>	/**
1229	>	* execute using DiscardPolicy drops task on shutdown
1230	>	*/
1231	>	public void testDiscardOnShutdown() {
1232	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1233	>	ThreadPoolExecutor p =
1234	>	new ThreadPoolExecutor(1, 1,
1235	>	LONG_DELAY_MS, MILLISECONDS,
1236	>	new ArrayBlockingQueue<Runnable>(1),
1237	>	h);
1238	>
1239	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1240	>	try {
1241	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1242	>	p.execute(r);
1243	>	assertFalse(r.done);
1244	>	} finally {
1245	>	joinPool(p);
1246		}
407	–	catch (NullPointerException success){}
1247		}
1248
1249	<	/** Throws if handler is set to null */
1250	<	public void testNullPointerException5() {
1251	<	try{
1252	<	RejectedExecutionHandler r = null;
1253	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1254	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1249	>	/**
1250	>	* execute using DiscardOldestPolicy drops task on shutdown
1251	>	*/
1252	>	public void testDiscardOldestOnShutdown() {
1253	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1254	>	ThreadPoolExecutor p =
1255	>	new ThreadPoolExecutor(1, 1,
1256	>	LONG_DELAY_MS, MILLISECONDS,
1257	>	new ArrayBlockingQueue<Runnable>(1),
1258	>	h);
1259	>
1260	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1261	>	try {
1262	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1263	>	p.execute(r);
1264	>	assertFalse(r.done);
1265	>	} finally {
1266	>	joinPool(p);
1267		}
417	–	catch (NullPointerException success){}
1268		}
1269
1270	<
1271	<	/** Throws if corePoolSize argument is less than zero */
1272	<	public void testConstructor16() {
1273	<	try{
1274	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1275	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1270	>	/**
1271	>	* execute(null) throws NPE
1272	>	*/
1273	>	public void testExecuteNull() {
1274	>	ThreadPoolExecutor p =
1275	>	new ThreadPoolExecutor(1, 2,
1276	>	LONG_DELAY_MS, MILLISECONDS,
1277	>	new ArrayBlockingQueue<Runnable>(10));
1278	>	try {
1279	>	p.execute(null);
1280	>	shouldThrow();
1281	>	} catch (NullPointerException success) {}
1282	>
1283	>	joinPool(p);
1284	>	}
1285	>
1286	>	/**
1287	>	* setCorePoolSize of negative value throws IllegalArgumentException
1288	>	*/
1289	>	public void testCorePoolSizeIllegalArgumentException() {
1290	>	ThreadPoolExecutor p =
1291	>	new ThreadPoolExecutor(1, 2,
1292	>	LONG_DELAY_MS, MILLISECONDS,
1293	>	new ArrayBlockingQueue<Runnable>(10));
1294	>	try {
1295	>	p.setCorePoolSize(-1);
1296	>	shouldThrow();
1297	>	} catch (IllegalArgumentException success) {
1298	>	} finally {
1299	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1300		}
1301	<	catch (IllegalArgumentException success){}
1301	>	joinPool(p);
1302		}
1303
1304	<	/** Throws if maximumPoolSize is less than zero */
1305	<	public void testConstructor17() {
1306	<	try{
1307	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1308	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1304	>	/**
1305	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1306	>	* given a value less the core pool size
1307	>	*/
1308	>	public void testMaximumPoolSizeIllegalArgumentException() {
1309	>	ThreadPoolExecutor p =
1310	>	new ThreadPoolExecutor(2, 3,
1311	>	LONG_DELAY_MS, MILLISECONDS,
1312	>	new ArrayBlockingQueue<Runnable>(10));
1313	>	try {
1314	>	p.setMaximumPoolSize(1);
1315	>	shouldThrow();
1316	>	} catch (IllegalArgumentException success) {
1317	>	} finally {
1318	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1319		}
1320	<	catch (IllegalArgumentException success){}
1320	>	joinPool(p);
1321		}
1322
1323	<	/** Throws if maximumPoolSize is equal to zero */
1324	<	public void testConstructor18() {
1325	<	try{
1326	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1327	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1323	>	/**
1324	>	* setMaximumPoolSize throws IllegalArgumentException
1325	>	* if given a negative value
1326	>	*/
1327	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1328	>	ThreadPoolExecutor p =
1329	>	new ThreadPoolExecutor(2, 3,
1330	>	LONG_DELAY_MS, MILLISECONDS,
1331	>	new ArrayBlockingQueue<Runnable>(10));
1332	>	try {
1333	>	p.setMaximumPoolSize(-1);
1334	>	shouldThrow();
1335	>	} catch (IllegalArgumentException success) {
1336	>	} finally {
1337	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1338		}
1339	<	catch (IllegalArgumentException success){}
1339	>	joinPool(p);
1340		}
1341
1342	<	/** Throws if keepAliveTime is less than zero */
1343	<	public void testConstructor19() {
1344	<	try{
1345	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1346	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1342	>	/**
1343	>	* setKeepAliveTime throws IllegalArgumentException
1344	>	* when given a negative value
1345	>	*/
1346	>	public void testKeepAliveTimeIllegalArgumentException() {
1347	>	ThreadPoolExecutor p =
1348	>	new ThreadPoolExecutor(2, 3,
1349	>	LONG_DELAY_MS, MILLISECONDS,
1350	>	new ArrayBlockingQueue<Runnable>(10));
1351	>	try {
1352	>	p.setKeepAliveTime(-1,MILLISECONDS);
1353	>	shouldThrow();
1354	>	} catch (IllegalArgumentException success) {
1355	>	} finally {
1356	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1357		}
1358	<	catch (IllegalArgumentException success){}
1358	>	joinPool(p);
1359		}
1360
1361	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1362	<	public void testConstructor20() {
1363	<	try{
1364	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1365	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1361	>	/**
1362	>	* terminated() is called on termination
1363	>	*/
1364	>	public void testTerminated() {
1365	>	ExtendedTPE p = new ExtendedTPE();
1366	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1367	>	assertTrue(p.terminatedCalled());
1368	>	joinPool(p);
1369	>	}
1370	>
1371	>	/**
1372	>	* beforeExecute and afterExecute are called when executing task
1373	>	*/
1374	>	public void testBeforeAfter() throws InterruptedException {
1375	>	ExtendedTPE p = new ExtendedTPE();
1376	>	try {
1377	>	final CountDownLatch done = new CountDownLatch(1);
1378	>	final CheckedRunnable task = new CheckedRunnable() {
1379	>	public void realRun() {
1380	>	done.countDown();
1381	>	}};
1382	>	p.execute(task);
1383	>	await(p.afterCalled);
1384	>	assertEquals(0, done.getCount());
1385	>	assertTrue(p.afterCalled());
1386	>	assertTrue(p.beforeCalled());
1387	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1388	>	} finally {
1389	>	joinPool(p);
1390	>	}
1391	>	}
1392	>
1393	>	/**
1394	>	* completed submit of callable returns result
1395	>	*/
1396	>	public void testSubmitCallable() throws Exception {
1397	>	ExecutorService e =
1398	>	new ThreadPoolExecutor(2, 2,
1399	>	LONG_DELAY_MS, MILLISECONDS,
1400	>	new ArrayBlockingQueue<Runnable>(10));
1401	>	try {
1402	>	Future<String> future = e.submit(new StringTask());
1403	>	String result = future.get();
1404	>	assertSame(TEST_STRING, result);
1405	>	} finally {
1406	>	joinPool(e);
1407	>	}
1408	>	}
1409	>
1410	>	/**
1411	>	* completed submit of runnable returns successfully
1412	>	*/
1413	>	public void testSubmitRunnable() throws Exception {
1414	>	ExecutorService e =
1415	>	new ThreadPoolExecutor(2, 2,
1416	>	LONG_DELAY_MS, MILLISECONDS,
1417	>	new ArrayBlockingQueue<Runnable>(10));
1418	>	try {
1419	>	Future<?> future = e.submit(new NoOpRunnable());
1420	>	future.get();
1421	>	assertTrue(future.isDone());
1422	>	} finally {
1423	>	joinPool(e);
1424	>	}
1425	>	}
1426	>
1427	>	/**
1428	>	* completed submit of (runnable, result) returns result
1429	>	*/
1430	>	public void testSubmitRunnable2() throws Exception {
1431	>	ExecutorService e =
1432	>	new ThreadPoolExecutor(2, 2,
1433	>	LONG_DELAY_MS, MILLISECONDS,
1434	>	new ArrayBlockingQueue<Runnable>(10));
1435	>	try {
1436	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1437	>	String result = future.get();
1438	>	assertSame(TEST_STRING, result);
1439	>	} finally {
1440	>	joinPool(e);
1441	>	}
1442	>	}
1443	>
1444	>	/**
1445	>	* invokeAny(null) throws NPE
1446	>	*/
1447	>	public void testInvokeAny1() throws Exception {
1448	>	ExecutorService e =
1449	>	new ThreadPoolExecutor(2, 2,
1450	>	LONG_DELAY_MS, MILLISECONDS,
1451	>	new ArrayBlockingQueue<Runnable>(10));
1452	>	try {
1453	>	e.invokeAny(null);
1454	>	shouldThrow();
1455	>	} catch (NullPointerException success) {
1456	>	} finally {
1457	>	joinPool(e);
1458	>	}
1459	>	}
1460	>
1461	>	/**
1462	>	* invokeAny(empty collection) throws IAE
1463	>	*/
1464	>	public void testInvokeAny2() throws Exception {
1465	>	ExecutorService e =
1466	>	new ThreadPoolExecutor(2, 2,
1467	>	LONG_DELAY_MS, MILLISECONDS,
1468	>	new ArrayBlockingQueue<Runnable>(10));
1469	>	try {
1470	>	e.invokeAny(new ArrayList<Callable<String>>());
1471	>	shouldThrow();
1472	>	} catch (IllegalArgumentException success) {
1473	>	} finally {
1474	>	joinPool(e);
1475	>	}
1476	>	}
1477	>
1478	>	/**
1479	>	* invokeAny(c) throws NPE if c has null elements
1480	>	*/
1481	>	public void testInvokeAny3() throws Exception {
1482	>	final CountDownLatch latch = new CountDownLatch(1);
1483	>	final ExecutorService e =
1484	>	new ThreadPoolExecutor(2, 2,
1485	>	LONG_DELAY_MS, MILLISECONDS,
1486	>	new ArrayBlockingQueue<Runnable>(10));
1487	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1488	>	l.add(latchAwaitingStringTask(latch));
1489	>	l.add(null);
1490	>	try {
1491	>	e.invokeAny(l);
1492	>	shouldThrow();
1493	>	} catch (NullPointerException success) {
1494	>	} finally {
1495	>	latch.countDown();
1496	>	joinPool(e);
1497	>	}
1498	>	}
1499	>
1500	>	/**
1501	>	* invokeAny(c) throws ExecutionException if no task completes
1502	>	*/
1503	>	public void testInvokeAny4() throws Exception {
1504	>	ExecutorService e =
1505	>	new ThreadPoolExecutor(2, 2,
1506	>	LONG_DELAY_MS, MILLISECONDS,
1507	>	new ArrayBlockingQueue<Runnable>(10));
1508	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1509	>	l.add(new NPETask());
1510	>	try {
1511	>	e.invokeAny(l);
1512	>	shouldThrow();
1513	>	} catch (ExecutionException success) {
1514	>	assertTrue(success.getCause() instanceof NullPointerException);
1515	>	} finally {
1516	>	joinPool(e);
1517	>	}
1518	>	}
1519	>
1520	>	/**
1521	>	* invokeAny(c) returns result of some task
1522	>	*/
1523	>	public void testInvokeAny5() throws Exception {
1524	>	ExecutorService e =
1525	>	new ThreadPoolExecutor(2, 2,
1526	>	LONG_DELAY_MS, MILLISECONDS,
1527	>	new ArrayBlockingQueue<Runnable>(10));
1528	>	try {
1529	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1530	>	l.add(new StringTask());
1531	>	l.add(new StringTask());
1532	>	String result = e.invokeAny(l);
1533	>	assertSame(TEST_STRING, result);
1534	>	} finally {
1535	>	joinPool(e);
1536		}
463	–	catch (IllegalArgumentException success){}
1537		}
1538
1539	<	/** Throws if workQueue is set to null */
1540	<	public void testNullPointerException6() {
1541	<	try{
1542	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1543	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1539	>	/**
1540	>	* invokeAll(null) throws NPE
1541	>	*/
1542	>	public void testInvokeAll1() throws Exception {
1543	>	ExecutorService e =
1544	>	new ThreadPoolExecutor(2, 2,
1545	>	LONG_DELAY_MS, MILLISECONDS,
1546	>	new ArrayBlockingQueue<Runnable>(10));
1547	>	try {
1548	>	e.invokeAll(null);
1549	>	shouldThrow();
1550	>	} catch (NullPointerException success) {
1551	>	} finally {
1552	>	joinPool(e);
1553		}
472	–	catch (NullPointerException success){}
1554		}
1555
1556	<	/** Throws if handler is set to null */
1557	<	public void testNullPointerException7() {
1558	<	try{
1559	<	RejectedExecutionHandler r = null;
1560	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1561	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1556	>	/**
1557	>	* invokeAll(empty collection) returns empty collection
1558	>	*/
1559	>	public void testInvokeAll2() throws InterruptedException {
1560	>	ExecutorService e =
1561	>	new ThreadPoolExecutor(2, 2,
1562	>	LONG_DELAY_MS, MILLISECONDS,
1563	>	new ArrayBlockingQueue<Runnable>(10));
1564	>	try {
1565	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1566	>	assertTrue(r.isEmpty());
1567	>	} finally {
1568	>	joinPool(e);
1569		}
482	–	catch (NullPointerException success){}
1570		}
1571
1572	<	/** Throws if ThreadFactory is set top null */
1573	<	public void testNullPointerException8() {
1574	<	try{
1575	<	ThreadFactory f = null;
1576	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1577	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1572	>	/**
1573	>	* invokeAll(c) throws NPE if c has null elements
1574	>	*/
1575	>	public void testInvokeAll3() throws Exception {
1576	>	ExecutorService e =
1577	>	new ThreadPoolExecutor(2, 2,
1578	>	LONG_DELAY_MS, MILLISECONDS,
1579	>	new ArrayBlockingQueue<Runnable>(10));
1580	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1581	>	l.add(new StringTask());
1582	>	l.add(null);
1583	>	try {
1584	>	e.invokeAll(l);
1585	>	shouldThrow();
1586	>	} catch (NullPointerException success) {
1587	>	} finally {
1588	>	joinPool(e);
1589		}
492	–	catch (NullPointerException successdn8){}
1590		}
494	–
1591
1592		/**
1593	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1593	>	* get of element of invokeAll(c) throws exception on failed task
1594		*/
1595	<	public void testRejectedExecutionException(){
1596	<	ThreadPoolExecutor tpe = null;
1597	<	try{
1598	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1599	<	} catch(Exception e){}
1600	<	tpe.shutdown();
1601	<	try{
1602	<	tpe.execute(new NoOpRunnable());
1603	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1604	<	} catch(RejectedExecutionException success){}
1605	<
1606	<	joinPool(tpe);
1595	>	public void testInvokeAll4() throws Exception {
1596	>	ExecutorService e =
1597	>	new ThreadPoolExecutor(2, 2,
1598	>	LONG_DELAY_MS, MILLISECONDS,
1599	>	new ArrayBlockingQueue<Runnable>(10));
1600	>	try {
1601	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1602	>	l.add(new NPETask());
1603	>	List<Future<String>> futures = e.invokeAll(l);
1604	>	assertEquals(1, futures.size());
1605	>	try {
1606	>	futures.get(0).get();
1607	>	shouldThrow();
1608	>	} catch (ExecutionException success) {
1609	>	assertTrue(success.getCause() instanceof NullPointerException);
1610	>	}
1611	>	} finally {
1612	>	joinPool(e);
1613	>	}
1614		}
1615	<
1615	>
1616	>	/**
1617	>	* invokeAll(c) returns results of all completed tasks
1618	>	*/
1619	>	public void testInvokeAll5() throws Exception {
1620	>	ExecutorService e =
1621	>	new ThreadPoolExecutor(2, 2,
1622	>	LONG_DELAY_MS, MILLISECONDS,
1623	>	new ArrayBlockingQueue<Runnable>(10));
1624	>	try {
1625	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1626	>	l.add(new StringTask());
1627	>	l.add(new StringTask());
1628	>	List<Future<String>> futures = e.invokeAll(l);
1629	>	assertEquals(2, futures.size());
1630	>	for (Future<String> future : futures)
1631	>	assertSame(TEST_STRING, future.get());
1632	>	} finally {
1633	>	joinPool(e);
1634	>	}
1635	>	}
1636	>
1637		/**
1638	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1638	>	* timed invokeAny(null) throws NPE
1639		*/
1640	<	public void testCorePoolSizeIllegalArgumentException(){
1641	<	ThreadPoolExecutor tpe = null;
1642	<	try{
1643	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1644	<	} catch(Exception e){}
1645	<	try{
1646	<	tpe.setCorePoolSize(-1);
1647	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1648	<	} catch(IllegalArgumentException success){
1640	>	public void testTimedInvokeAny1() throws Exception {
1641	>	ExecutorService e =
1642	>	new ThreadPoolExecutor(2, 2,
1643	>	LONG_DELAY_MS, MILLISECONDS,
1644	>	new ArrayBlockingQueue<Runnable>(10));
1645	>	try {
1646	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1647	>	shouldThrow();
1648	>	} catch (NullPointerException success) {
1649		} finally {
1650	<	tpe.shutdown();
1650	>	joinPool(e);
1651		}
1652	<	joinPool(tpe);
532	<	}
1652	>	}
1653
534	–
1654		/**
1655	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1656	<	*  if given a value less the it's actual core pool size
1657	<	*/
1658	<	public void testMaximumPoolSizeIllegalArgumentException(){
1659	<	ThreadPoolExecutor tpe = null;
1660	<	try{
1661	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1662	<	} catch(Exception e){}
1663	<	try{
1664	<	tpe.setMaximumPoolSize(1);
1665	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1666	<	} catch(IllegalArgumentException success){
1655	>	* timed invokeAny(,,null) throws NPE
1656	>	*/
1657	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1658	>	ExecutorService e =
1659	>	new ThreadPoolExecutor(2, 2,
1660	>	LONG_DELAY_MS, MILLISECONDS,
1661	>	new ArrayBlockingQueue<Runnable>(10));
1662	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1663	>	l.add(new StringTask());
1664	>	try {
1665	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1666	>	shouldThrow();
1667	>	} catch (NullPointerException success) {
1668		} finally {
1669	<	tpe.shutdown();
1669	>	joinPool(e);
1670		}
551	–	joinPool(tpe);
1671		}
1672	<
1672	>
1673		/**
1674	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1674	>	* timed invokeAny(empty collection) throws IAE
1675		*/
1676	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1677	<	ThreadPoolExecutor tpe = null;
1678	<	try{
1679	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1680	<	} catch(Exception e){}
1681	<	try{
1682	<	tpe.setMaximumPoolSize(-1);
1683	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1684	<	} catch(IllegalArgumentException success){
1676	>	public void testTimedInvokeAny2() throws Exception {
1677	>	ExecutorService e =
1678	>	new ThreadPoolExecutor(2, 2,
1679	>	LONG_DELAY_MS, MILLISECONDS,
1680	>	new ArrayBlockingQueue<Runnable>(10));
1681	>	try {
1682	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1683	>	shouldThrow();
1684	>	} catch (IllegalArgumentException success) {
1685		} finally {
1686	<	tpe.shutdown();
1686	>	joinPool(e);
1687		}
570	–	joinPool(tpe);
1688		}
572	–
1689
1690		/**
1691	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
1691	>	* timed invokeAny(c) throws NPE if c has null elements
1692		*/
1693	<	public void testKeepAliveTimeIllegalArgumentException(){
1694	<	ThreadPoolExecutor tpe = null;
1695	<	try{
1696	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1697	<	} catch(Exception e){}
1698	<
1699	<	try{
1700	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1701	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1702	<	} catch(IllegalArgumentException success){
1693	>	public void testTimedInvokeAny3() throws Exception {
1694	>	final CountDownLatch latch = new CountDownLatch(1);
1695	>	final ExecutorService e =
1696	>	new ThreadPoolExecutor(2, 2,
1697	>	LONG_DELAY_MS, MILLISECONDS,
1698	>	new ArrayBlockingQueue<Runnable>(10));
1699	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1700	>	l.add(latchAwaitingStringTask(latch));
1701	>	l.add(null);
1702	>	try {
1703	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1704	>	shouldThrow();
1705	>	} catch (NullPointerException success) {
1706		} finally {
1707	<	tpe.shutdown();
1707	>	latch.countDown();
1708	>	joinPool(e);
1709		}
591	–	joinPool(tpe);
1710		}
1711	<
1711	>
1712	>	/**
1713	>	* timed invokeAny(c) throws ExecutionException if no task completes
1714	>	*/
1715	>	public void testTimedInvokeAny4() throws Exception {
1716	>	ExecutorService e =
1717	>	new ThreadPoolExecutor(2, 2,
1718	>	LONG_DELAY_MS, MILLISECONDS,
1719	>	new ArrayBlockingQueue<Runnable>(10));
1720	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1721	>	l.add(new NPETask());
1722	>	try {
1723	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1724	>	shouldThrow();
1725	>	} catch (ExecutionException success) {
1726	>	assertTrue(success.getCause() instanceof NullPointerException);
1727	>	} finally {
1728	>	joinPool(e);
1729	>	}
1730	>	}
1731	>
1732	>	/**
1733	>	* timed invokeAny(c) returns result of some task
1734	>	*/
1735	>	public void testTimedInvokeAny5() throws Exception {
1736	>	ExecutorService e =
1737	>	new ThreadPoolExecutor(2, 2,
1738	>	LONG_DELAY_MS, MILLISECONDS,
1739	>	new ArrayBlockingQueue<Runnable>(10));
1740	>	try {
1741	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1742	>	l.add(new StringTask());
1743	>	l.add(new StringTask());
1744	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1745	>	assertSame(TEST_STRING, result);
1746	>	} finally {
1747	>	joinPool(e);
1748	>	}
1749	>	}
1750	>
1751	>	/**
1752	>	* timed invokeAll(null) throws NPE
1753	>	*/
1754	>	public void testTimedInvokeAll1() throws Exception {
1755	>	ExecutorService e =
1756	>	new ThreadPoolExecutor(2, 2,
1757	>	LONG_DELAY_MS, MILLISECONDS,
1758	>	new ArrayBlockingQueue<Runnable>(10));
1759	>	try {
1760	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1761	>	shouldThrow();
1762	>	} catch (NullPointerException success) {
1763	>	} finally {
1764	>	joinPool(e);
1765	>	}
1766	>	}
1767	>
1768	>	/**
1769	>	* timed invokeAll(,,null) throws NPE
1770	>	*/
1771	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1772	>	ExecutorService e =
1773	>	new ThreadPoolExecutor(2, 2,
1774	>	LONG_DELAY_MS, MILLISECONDS,
1775	>	new ArrayBlockingQueue<Runnable>(10));
1776	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1777	>	l.add(new StringTask());
1778	>	try {
1779	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1780	>	shouldThrow();
1781	>	} catch (NullPointerException success) {
1782	>	} finally {
1783	>	joinPool(e);
1784	>	}
1785	>	}
1786	>
1787	>	/**
1788	>	* timed invokeAll(empty collection) returns empty collection
1789	>	*/
1790	>	public void testTimedInvokeAll2() throws InterruptedException {
1791	>	ExecutorService e =
1792	>	new ThreadPoolExecutor(2, 2,
1793	>	LONG_DELAY_MS, MILLISECONDS,
1794	>	new ArrayBlockingQueue<Runnable>(10));
1795	>	try {
1796	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1797	>	assertTrue(r.isEmpty());
1798	>	} finally {
1799	>	joinPool(e);
1800	>	}
1801	>	}
1802	>
1803	>	/**
1804	>	* timed invokeAll(c) throws NPE if c has null elements
1805	>	*/
1806	>	public void testTimedInvokeAll3() throws Exception {
1807	>	ExecutorService e =
1808	>	new ThreadPoolExecutor(2, 2,
1809	>	LONG_DELAY_MS, MILLISECONDS,
1810	>	new ArrayBlockingQueue<Runnable>(10));
1811	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1812	>	l.add(new StringTask());
1813	>	l.add(null);
1814	>	try {
1815	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1816	>	shouldThrow();
1817	>	} catch (NullPointerException success) {
1818	>	} finally {
1819	>	joinPool(e);
1820	>	}
1821	>	}
1822	>
1823	>	/**
1824	>	* get of element of invokeAll(c) throws exception on failed task
1825	>	*/
1826	>	public void testTimedInvokeAll4() throws Exception {
1827	>	ExecutorService e =
1828	>	new ThreadPoolExecutor(2, 2,
1829	>	LONG_DELAY_MS, MILLISECONDS,
1830	>	new ArrayBlockingQueue<Runnable>(10));
1831	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1832	>	l.add(new NPETask());
1833	>	List<Future<String>> futures =
1834	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1835	>	assertEquals(1, futures.size());
1836	>	try {
1837	>	futures.get(0).get();
1838	>	shouldThrow();
1839	>	} catch (ExecutionException success) {
1840	>	assertTrue(success.getCause() instanceof NullPointerException);
1841	>	} finally {
1842	>	joinPool(e);
1843	>	}
1844	>	}
1845	>
1846	>	/**
1847	>	* timed invokeAll(c) returns results of all completed tasks
1848	>	*/
1849	>	public void testTimedInvokeAll5() throws Exception {
1850	>	ExecutorService e =
1851	>	new ThreadPoolExecutor(2, 2,
1852	>	LONG_DELAY_MS, MILLISECONDS,
1853	>	new ArrayBlockingQueue<Runnable>(10));
1854	>	try {
1855	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1856	>	l.add(new StringTask());
1857	>	l.add(new StringTask());
1858	>	List<Future<String>> futures =
1859	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1860	>	assertEquals(2, futures.size());
1861	>	for (Future<String> future : futures)
1862	>	assertSame(TEST_STRING, future.get());
1863	>	} finally {
1864	>	joinPool(e);
1865	>	}
1866	>	}
1867	>
1868	>	/**
1869	>	* timed invokeAll(c) cancels tasks not completed by timeout
1870	>	*/
1871	>	public void testTimedInvokeAll6() throws Exception {
1872	>	ExecutorService e =
1873	>	new ThreadPoolExecutor(2, 2,
1874	>	LONG_DELAY_MS, MILLISECONDS,
1875	>	new ArrayBlockingQueue<Runnable>(10));
1876	>	try {
1877	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1878	>	l.add(new StringTask());
1879	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1880	>	l.add(new StringTask());
1881	>	List<Future<String>> futures =
1882	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1883	>	assertEquals(l.size(), futures.size());
1884	>	for (Future future : futures)
1885	>	assertTrue(future.isDone());
1886	>	assertFalse(futures.get(0).isCancelled());
1887	>	assertTrue(futures.get(1).isCancelled());
1888	>	} finally {
1889	>	joinPool(e);
1890	>	}
1891	>	}
1892	>
1893	>	/**
1894	>	* Execution continues if there is at least one thread even if
1895	>	* thread factory fails to create more
1896	>	*/
1897	>	public void testFailingThreadFactory() throws InterruptedException {
1898	>	final ExecutorService e =
1899	>	new ThreadPoolExecutor(100, 100,
1900	>	LONG_DELAY_MS, MILLISECONDS,
1901	>	new LinkedBlockingQueue<Runnable>(),
1902	>	new FailingThreadFactory());
1903	>	try {
1904	>	final int TASKS = 100;
1905	>	final CountDownLatch done = new CountDownLatch(TASKS);
1906	>	for (int k = 0; k < TASKS; ++k)
1907	>	e.execute(new CheckedRunnable() {
1908	>	public void realRun() {
1909	>	done.countDown();
1910	>	}});
1911	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1912	>	} finally {
1913	>	joinPool(e);
1914	>	}
1915	>	}
1916	>
1917	>	/**
1918	>	* allowsCoreThreadTimeOut is by default false.
1919	>	*/
1920	>	public void testAllowsCoreThreadTimeOut() {
1921	>	final ThreadPoolExecutor p =
1922	>	new ThreadPoolExecutor(2, 2,
1923	>	1000, MILLISECONDS,
1924	>	new ArrayBlockingQueue<Runnable>(10));
1925	>	assertFalse(p.allowsCoreThreadTimeOut());
1926	>	joinPool(p);
1927	>	}
1928	>
1929	>	/**
1930	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1931	>	*/
1932	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1933	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1934	>	final ThreadPoolExecutor p =
1935	>	new ThreadPoolExecutor(2, 10,
1936	>	coreThreadTimeOut, MILLISECONDS,
1937	>	new ArrayBlockingQueue<Runnable>(10));
1938	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1939	>	try {
1940	>	p.allowCoreThreadTimeOut(true);
1941	>	p.execute(new CheckedRunnable() {
1942	>	public void realRun() {
1943	>	threadStarted.countDown();
1944	>	assertEquals(1, p.getPoolSize());
1945	>	}});
1946	>	await(threadStarted);
1947	>	delay(coreThreadTimeOut);
1948	>	long startTime = System.nanoTime();
1949	>	while (p.getPoolSize() > 0
1950	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1951	>	Thread.yield();
1952	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1953	>	assertEquals(0, p.getPoolSize());
1954	>	} finally {
1955	>	joinPool(p);
1956	>	}
1957	>	}
1958	>
1959	>	/**
1960	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1961	>	*/
1962	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1963	>	long coreThreadTimeOut = SHORT_DELAY_MS;
1964	>	final ThreadPoolExecutor p =
1965	>	new ThreadPoolExecutor(2, 10,
1966	>	coreThreadTimeOut, MILLISECONDS,
1967	>	new ArrayBlockingQueue<Runnable>(10));
1968	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1969	>	try {
1970	>	p.allowCoreThreadTimeOut(false);
1971	>	p.execute(new CheckedRunnable() {
1972	>	public void realRun() throws InterruptedException {
1973	>	threadStarted.countDown();
1974	>	assertTrue(p.getPoolSize() >= 1);
1975	>	}});
1976	>	delay(2 * coreThreadTimeOut);
1977	>	assertTrue(p.getPoolSize() >= 1);
1978	>	} finally {
1979	>	joinPool(p);
1980	>	}
1981	>	}
1982	>
1983	>	/**
1984	>	* execute allows the same task to be submitted multiple times, even
1985	>	* if rejected
1986	>	*/
1987	>	public void testRejectedRecycledTask() throws InterruptedException {
1988	>	final int nTasks = 1000;
1989	>	final CountDownLatch done = new CountDownLatch(nTasks);
1990	>	final Runnable recycledTask = new Runnable() {
1991	>	public void run() {
1992	>	done.countDown();
1993	>	}};
1994	>	final ThreadPoolExecutor p =
1995	>	new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
1996	>	new ArrayBlockingQueue(30));
1997	>	try {
1998	>	for (int i = 0; i < nTasks; ++i) {
1999	>	for (;;) {
2000	>	try {
2001	>	p.execute(recycledTask);
2002	>	break;
2003	>	}
2004	>	catch (RejectedExecutionException ignore) {}
2005	>	}
2006	>	}
2007	>	// enough time to run all tasks
2008	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2009	>	} finally {
2010	>	joinPool(p);
2011	>	}
2012	>	}
2013	>
2014		}

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