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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 1.61 by jsr166, Mon Sep 28 02:41:29 2015 UTC

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

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