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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.4 by dl, Sat Sep 20 00:31:57 2003 UTC vs.
Revision 1.72 by jsr166, Sun Oct 4 01:52:43 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	<	}
55	<	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	<	*   getActiveCount gives correct values
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133	<	public void testGetActiveCount(){
134	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	assertEquals(0, two.getActiveCount());
136	<	two.execute(new MediumRunnable());
137	<	try{
138	<	Thread.sleep(SHORT_DELAY_MS);
139	<	} catch(Exception e){
140	<	fail("unexpected exception");
133	>	public void testPrestartCoreThread() {
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153		}
70	–	assertEquals(1, two.getActiveCount());
71	–	joinPool(two);
154		}
155	<
155	>
156		/**
157	<	*   getCompleteTaskCount gives correct values
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158		*/
159	<	public void testGetCompletedTaskCount(){
160	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161	<	assertEquals(0, two.getCompletedTaskCount());
162	<	two.execute(new ShortRunnable());
163	<	try{
164	<	Thread.sleep(MEDIUM_DELAY_MS);
165	<	} catch(Exception e){
166	<	fail("unexpected exception");
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175		}
86	–	assertEquals(1, two.getCompletedTaskCount());
87	–	two.shutdown();
88	–	joinPool(two);
176		}
177	<
177	>
178		/**
179	<	*   getCorePoolSize gives correct values
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181		*/
182	<	public void testGetCorePoolSize(){
183	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
184	<	assertEquals(1, one.getCorePoolSize());
185	<	joinPool(one);
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210		}
211	<
211	>
212		/**
213	<	*   getKeepAliveTime gives correct values
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214		*/
215	<	public void testGetKeepAliveTime(){
216	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
218	<	joinPool(two);
215	>	public void testGetCorePoolSize() {
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222	>	}
223		}
224	<
224	>
225		/**
226	<	*   getLargestPoolSize gives correct values
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228	<	public void testGetLargestPoolSize(){
229	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
235	>	}
236	>	}
237	>
238	>	/**
239	>	* getThreadFactory returns factory in constructor if not set
240	>	*/
241	>	public void testGetThreadFactory() {
242	>	ThreadFactory threadFactory = new SimpleThreadFactory();
243	>	final ThreadPoolExecutor p =
244	>	new ThreadPoolExecutor(1, 2,
245	>	LONG_DELAY_MS, MILLISECONDS,
246	>	new ArrayBlockingQueue<Runnable>(10),
247	>	threadFactory,
248	>	new NoOpREHandler());
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	assertSame(threadFactory, p.getThreadFactory());
251	>	}
252	>	}
253	>
254	>	/**
255	>	* setThreadFactory sets the thread factory returned by getThreadFactory
256	>	*/
257	>	public void testSetThreadFactory() {
258	>	final ThreadPoolExecutor p =
259	>	new ThreadPoolExecutor(1, 2,
260	>	LONG_DELAY_MS, MILLISECONDS,
261	>	new ArrayBlockingQueue<Runnable>(10));
262	>	try (PoolCleaner cleaner = cleaner(p)) {
263	>	ThreadFactory threadFactory = new SimpleThreadFactory();
264	>	p.setThreadFactory(threadFactory);
265	>	assertSame(threadFactory, p.getThreadFactory());
266	>	}
267	>	}
268	>
269	>	/**
270	>	* setThreadFactory(null) throws NPE
271	>	*/
272	>	public void testSetThreadFactoryNull() {
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10));
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.setThreadFactory(null);
280	>	shouldThrow();
281	>	} catch (NullPointerException success) {}
282	>	}
283	>	}
284	>
285	>	/**
286	>	* getRejectedExecutionHandler returns handler in constructor if not set
287	>	*/
288	>	public void testGetRejectedExecutionHandler() {
289	>	final RejectedExecutionHandler h = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	h);
295	>	assertSame(h, p.getRejectedExecutionHandler());
296	>	joinPool(p);
297	>	}
298	>
299	>	/**
300	>	* setRejectedExecutionHandler sets the handler returned by
301	>	* getRejectedExecutionHandler
302	>	*/
303	>	public void testSetRejectedExecutionHandler() {
304	>	final ThreadPoolExecutor p =
305	>	new ThreadPoolExecutor(1, 2,
306	>	LONG_DELAY_MS, MILLISECONDS,
307	>	new ArrayBlockingQueue<Runnable>(10));
308	>	RejectedExecutionHandler h = new NoOpREHandler();
309	>	p.setRejectedExecutionHandler(h);
310	>	assertSame(h, p.getRejectedExecutionHandler());
311	>	joinPool(p);
312	>	}
313	>
314	>	/**
315	>	* setRejectedExecutionHandler(null) throws NPE
316	>	*/
317	>	public void testSetRejectedExecutionHandlerNull() {
318	>	final ThreadPoolExecutor p =
319	>	new ThreadPoolExecutor(1, 2,
320	>	LONG_DELAY_MS, MILLISECONDS,
321	>	new ArrayBlockingQueue<Runnable>(10));
322		try {
323	<	assertEquals(0, two.getLargestPoolSize());
324	<	two.execute(new MediumRunnable());
325	<	two.execute(new MediumRunnable());
326	<	Thread.sleep(SHORT_DELAY_MS);
327	<	assertEquals(2, two.getLargestPoolSize());
328	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
323	>	p.setRejectedExecutionHandler(null);
324	>	shouldThrow();
325	>	} catch (NullPointerException success) {
326	>	} finally {
327	>	joinPool(p);
328	>	}
329		}
330	<
330	>
331		/**
332	<	*   getMaximumPoolSize gives correct values
332	>	* getLargestPoolSize increases, but doesn't overestimate, when
333	>	* multiple threads active
334		*/
335	<	public void testGetMaximumPoolSize(){
336	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
337	<	assertEquals(2, two.getMaximumPoolSize());
338	<	joinPool(two);
335	>	public void testGetLargestPoolSize() throws InterruptedException {
336	>	final int THREADS = 3;
337	>	final ThreadPoolExecutor p =
338	>	new ThreadPoolExecutor(THREADS, THREADS,
339	>	LONG_DELAY_MS, MILLISECONDS,
340	>	new ArrayBlockingQueue<Runnable>(10));
341	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
342	>	final CountDownLatch done = new CountDownLatch(1);
343	>	try {
344	>	assertEquals(0, p.getLargestPoolSize());
345	>	for (int i = 0; i < THREADS; i++)
346	>	p.execute(new CheckedRunnable() {
347	>	public void realRun() throws InterruptedException {
348	>	threadsStarted.countDown();
349	>	done.await();
350	>	assertEquals(THREADS, p.getLargestPoolSize());
351	>	}});
352	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
353	>	assertEquals(THREADS, p.getLargestPoolSize());
354	>	} finally {
355	>	done.countDown();
356	>	joinPool(p);
357	>	assertEquals(THREADS, p.getLargestPoolSize());
358	>	}
359		}
360	<
360	>
361		/**
362	<	*   getPoolSize gives correct values
362	>	* getMaximumPoolSize returns value given in constructor if not
363	>	* otherwise set
364		*/
365	<	public void testGetPoolSize(){
366	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
367	<	assertEquals(0, one.getPoolSize());
368	<	one.execute(new MediumRunnable());
369	<	assertEquals(1, one.getPoolSize());
370	<	joinPool(one);
365	>	public void testGetMaximumPoolSize() {
366	>	final ThreadPoolExecutor p =
367	>	new ThreadPoolExecutor(2, 3,
368	>	LONG_DELAY_MS, MILLISECONDS,
369	>	new ArrayBlockingQueue<Runnable>(10));
370	>	assertEquals(3, p.getMaximumPoolSize());
371	>	joinPool(p);
372		}
373	<
373	>
374		/**
375	<	*   getTaskCount gives correct values
375	>	* getPoolSize increases, but doesn't overestimate, when threads
376	>	* become active
377		*/
378	<	public void testGetTaskCount(){
379	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
378	>	public void testGetPoolSize() throws InterruptedException {
379	>	final ThreadPoolExecutor p =
380	>	new ThreadPoolExecutor(1, 1,
381	>	LONG_DELAY_MS, MILLISECONDS,
382	>	new ArrayBlockingQueue<Runnable>(10));
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385		try {
386	<	assertEquals(0, one.getTaskCount());
387	<	one.execute(new MediumRunnable());
388	<	Thread.sleep(SHORT_DELAY_MS);
389	<	assertEquals(1, one.getTaskCount());
390	<	} catch(Exception e){
391	<	fail("unexpected exception");
392	<	}
393	<	joinPool(one);
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399		}
400	<
400	>
401	>	/**
402	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
403	>	*/
404	>	public void testGetTaskCount() throws InterruptedException {
405	>	final ThreadPoolExecutor p =
406	>	new ThreadPoolExecutor(1, 1,
407	>	LONG_DELAY_MS, MILLISECONDS,
408	>	new ArrayBlockingQueue<Runnable>(10));
409	>	final CountDownLatch threadStarted = new CountDownLatch(1);
410	>	final CountDownLatch done = new CountDownLatch(1);
411	>	try {
412	>	assertEquals(0, p.getTaskCount());
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	assertEquals(1, p.getTaskCount());
417	>	done.await();
418	>	}});
419	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
420	>	assertEquals(1, p.getTaskCount());
421	>	} finally {
422	>	done.countDown();
423	>	joinPool(p);
424	>	}
425	>	}
426	>
427		/**
428	<	*   isShutDown gives correct values
428	>	* isShutdown is false before shutdown, true after
429		*/
430	<	public void testIsShutdown(){
431	<
432	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
433	<	assertFalse(one.isShutdown());
434	<	one.shutdown();
435	<	assertTrue(one.isShutdown());
436	<	joinPool(one);
430	>	public void testIsShutdown() {
431	>	final ThreadPoolExecutor p =
432	>	new ThreadPoolExecutor(1, 1,
433	>	LONG_DELAY_MS, MILLISECONDS,
434	>	new ArrayBlockingQueue<Runnable>(10));
435	>	assertFalse(p.isShutdown());
436	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
437	>	assertTrue(p.isShutdown());
438	>	joinPool(p);
439		}
440
174	–
441		/**
442	<	*   isTerminated gives correct values
177	<	*  Makes sure termination does not take an innapropriate
178	<	*  amount of time
442	>	* awaitTermination on a non-shutdown pool times out
443		*/
444	<	public void testIsTerminated(){
445	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
444	>	public void testAwaitTermination_timesOut() throws InterruptedException {
445	>	final ThreadPoolExecutor p =
446	>	new ThreadPoolExecutor(1, 1,
447	>	LONG_DELAY_MS, MILLISECONDS,
448	>	new ArrayBlockingQueue<Runnable>(10));
449	>	assertFalse(p.isTerminated());
450	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
451	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
452	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
453	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
454	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
455	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
456	>	long timeoutNanos = 999999L;
457	>	long startTime = System.nanoTime();
458	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
459	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
460	>	assertFalse(p.isTerminated());
461	>	startTime = System.nanoTime();
462	>	long timeoutMillis = timeoutMillis();
463	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
464	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
465	>	assertFalse(p.isTerminated());
466	>	p.shutdown();
467	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
468	>	assertTrue(p.isTerminated());
469	>	}
470	>
471	>	/**
472	>	* isTerminated is false before termination, true after
473	>	*/
474	>	public void testIsTerminated() throws InterruptedException {
475	>	final ThreadPoolExecutor p =
476	>	new ThreadPoolExecutor(1, 1,
477	>	LONG_DELAY_MS, MILLISECONDS,
478	>	new ArrayBlockingQueue<Runnable>(10));
479	>	final CountDownLatch threadStarted = new CountDownLatch(1);
480	>	final CountDownLatch done = new CountDownLatch(1);
481	>	assertFalse(p.isTerminated());
482		try {
483	<	one.execute(new MediumRunnable());
483	>	p.execute(new CheckedRunnable() {
484	>	public void realRun() throws InterruptedException {
485	>	assertFalse(p.isTerminated());
486	>	threadStarted.countDown();
487	>	done.await();
488	>	}});
489	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
490	>	assertFalse(p.isTerminating());
491	>	done.countDown();
492		} finally {
493	<	one.shutdown();
493	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
494		}
495	<	try {
496	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189	<	assertTrue(one.isTerminated());
190	<	} catch(Exception e){
191	<	fail("unexpected exception");
192	<	}
495	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
496	>	assertTrue(p.isTerminated());
497		}
498
499		/**
500	<	*   purge correctly removes cancelled tasks
197	<	*  from the queue
500	>	* isTerminating is not true when running or when terminated
501		*/
502	<	public void testPurge(){
503	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
504	<	CancellableTask[] tasks = new CancellableTask[5];
505	<	for(int i = 0; i < 5; i++){
506	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
507	<	one.execute(tasks[i]);
502	>	public void testIsTerminating() throws InterruptedException {
503	>	final ThreadPoolExecutor p =
504	>	new ThreadPoolExecutor(1, 1,
505	>	LONG_DELAY_MS, MILLISECONDS,
506	>	new ArrayBlockingQueue<Runnable>(10));
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	try {
510	>	assertFalse(p.isTerminating());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminating());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520	>	} finally {
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522		}
523	<	tasks[4].cancel(true);
524	<	tasks[3].cancel(true);
525	<	one.purge();
209	<	long count = one.getTaskCount();
210	<	assertTrue(count >= 2 && count < 5);
211	<	joinPool(one);
523	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	>	assertTrue(p.isTerminated());
525	>	assertFalse(p.isTerminating());
526		}
527
528		/**
529	<	*   shutDownNow returns a list
216	<	*  containing the correct number of elements
529	>	* getQueue returns the work queue, which contains queued tasks
530		*/
531	<	public void testShutDownNow(){
532	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
533	<	List l;
531	>	public void testGetQueue() throws InterruptedException {
532	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
533	>	final ThreadPoolExecutor p =
534	>	new ThreadPoolExecutor(1, 1,
535	>	LONG_DELAY_MS, MILLISECONDS,
536	>	q);
537	>	final CountDownLatch threadStarted = new CountDownLatch(1);
538	>	final CountDownLatch done = new CountDownLatch(1);
539		try {
540	<	for(int i = 0; i < 5; i++)
541	<	one.execute(new MediumPossiblyInterruptedRunnable());
540	>	FutureTask[] tasks = new FutureTask[5];
541	>	for (int i = 0; i < tasks.length; i++) {
542	>	Callable task = new CheckedCallable<Boolean>() {
543	>	public Boolean realCall() throws InterruptedException {
544	>	threadStarted.countDown();
545	>	assertSame(q, p.getQueue());
546	>	done.await();
547	>	return Boolean.TRUE;
548	>	}};
549	>	tasks[i] = new FutureTask(task);
550	>	p.execute(tasks[i]);
551	>	}
552	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
553	>	assertSame(q, p.getQueue());
554	>	assertFalse(q.contains(tasks[0]));
555	>	assertTrue(q.contains(tasks[tasks.length - 1]));
556	>	assertEquals(tasks.length - 1, q.size());
557	>	} finally {
558	>	done.countDown();
559	>	joinPool(p);
560		}
561	<	finally {
562	<	l = one.shutdownNow();
561	>	}
562	>
563	>	/**
564	>	* remove(task) removes queued task, and fails to remove active task
565	>	*/
566	>	public void testRemove() throws InterruptedException {
567	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
568	>	final ThreadPoolExecutor p =
569	>	new ThreadPoolExecutor(1, 1,
570	>	LONG_DELAY_MS, MILLISECONDS,
571	>	q);
572	>	Runnable[] tasks = new Runnable[5];
573	>	final CountDownLatch threadStarted = new CountDownLatch(1);
574	>	final CountDownLatch done = new CountDownLatch(1);
575	>	try {
576	>	for (int i = 0; i < tasks.length; i++) {
577	>	tasks[i] = new CheckedRunnable() {
578	>	public void realRun() throws InterruptedException {
579	>	threadStarted.countDown();
580	>	done.await();
581	>	}};
582	>	p.execute(tasks[i]);
583	>	}
584	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
585	>	assertFalse(p.remove(tasks[0]));
586	>	assertTrue(q.contains(tasks[4]));
587	>	assertTrue(q.contains(tasks[3]));
588	>	assertTrue(p.remove(tasks[4]));
589	>	assertFalse(p.remove(tasks[4]));
590	>	assertFalse(q.contains(tasks[4]));
591	>	assertTrue(q.contains(tasks[3]));
592	>	assertTrue(p.remove(tasks[3]));
593	>	assertFalse(q.contains(tasks[3]));
594	>	} finally {
595	>	done.countDown();
596	>	joinPool(p);
597	>	}
598	>	}
599	>
600	>	/**
601	>	* purge removes cancelled tasks from the queue
602	>	*/
603	>	public void testPurge() throws InterruptedException {
604	>	final CountDownLatch threadStarted = new CountDownLatch(1);
605	>	final CountDownLatch done = new CountDownLatch(1);
606	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
607	>	final ThreadPoolExecutor p =
608	>	new ThreadPoolExecutor(1, 1,
609	>	LONG_DELAY_MS, MILLISECONDS,
610	>	q);
611	>	FutureTask[] tasks = new FutureTask[5];
612	>	try {
613	>	for (int i = 0; i < tasks.length; i++) {
614	>	Callable task = new CheckedCallable<Boolean>() {
615	>	public Boolean realCall() throws InterruptedException {
616	>	threadStarted.countDown();
617	>	done.await();
618	>	return Boolean.TRUE;
619	>	}};
620	>	tasks[i] = new FutureTask(task);
621	>	p.execute(tasks[i]);
622	>	}
623	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
624	>	assertEquals(tasks.length, p.getTaskCount());
625	>	assertEquals(tasks.length - 1, q.size());
626	>	assertEquals(1L, p.getActiveCount());
627	>	assertEquals(0L, p.getCompletedTaskCount());
628	>	tasks[4].cancel(true);
629	>	tasks[3].cancel(false);
630	>	p.purge();
631	>	assertEquals(tasks.length - 3, q.size());
632	>	assertEquals(tasks.length - 2, p.getTaskCount());
633	>	p.purge();         // Nothing to do
634	>	assertEquals(tasks.length - 3, q.size());
635	>	assertEquals(tasks.length - 2, p.getTaskCount());
636	>	} finally {
637	>	done.countDown();
638	>	joinPool(p);
639		}
640	<	assertTrue(one.isShutdown());
641	<	assertTrue(l.size() <= 4);
640	>	}
641	>
642	>	/**
643	>	* shutdownNow returns a list containing tasks that were not run,
644	>	* and those tasks are drained from the queue
645	>	*/
646	>	public void testShutdownNow() throws InterruptedException {
647	>	final int poolSize = 2;
648	>	final int count = 5;
649	>	final AtomicInteger ran = new AtomicInteger(0);
650	>	final ThreadPoolExecutor p =
651	>	new ThreadPoolExecutor(poolSize, poolSize,
652	>	LONG_DELAY_MS, MILLISECONDS,
653	>	new ArrayBlockingQueue<Runnable>(10));
654	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
655	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
656	>	threadsStarted.countDown();
657	>	try {
658	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
659	>	} catch (InterruptedException success) {}
660	>	ran.getAndIncrement();
661	>	}};
662	>	for (int i = 0; i < count; i++)
663	>	p.execute(waiter);
664	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
665	>	assertEquals(poolSize, p.getActiveCount());
666	>	assertEquals(0, p.getCompletedTaskCount());
667	>	final List<Runnable> queuedTasks;
668	>	try {
669	>	queuedTasks = p.shutdownNow();
670	>	} catch (SecurityException ok) {
671	>	return; // Allowed in case test doesn't have privs
672	>	}
673	>	assertTrue(p.isShutdown());
674	>	assertTrue(p.getQueue().isEmpty());
675	>	assertEquals(count - poolSize, queuedTasks.size());
676	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
677	>	assertTrue(p.isTerminated());
678	>	assertEquals(poolSize, ran.get());
679	>	assertEquals(poolSize, p.getCompletedTaskCount());
680		}
681
682		// Exception Tests
233	–
683
684	<	/** Throws if corePoolSize argument is less than zero */
684	>	/**
685	>	* Constructor throws if corePoolSize argument is less than zero
686	>	*/
687		public void testConstructor1() {
688	<	try{
689	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
691	<	}
692	<	catch (IllegalArgumentException success){}
688	>	try {
689	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
690	>	new ArrayBlockingQueue<Runnable>(10));
691	>	shouldThrow();
692	>	} catch (IllegalArgumentException success) {}
693		}
694	<
695	<	/** Throws if maximumPoolSize is less than zero */
694	>
695	>	/**
696	>	* Constructor throws if maximumPoolSize is less than zero
697	>	*/
698		public void testConstructor2() {
699	<	try{
700	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
702	<	}
703	<	catch (IllegalArgumentException success){}
699	>	try {
700	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
701	>	new ArrayBlockingQueue<Runnable>(10));
702	>	shouldThrow();
703	>	} catch (IllegalArgumentException success) {}
704		}
705	<
706	<	/** Throws if maximumPoolSize is equal to zero */
705	>
706	>	/**
707	>	* Constructor throws if maximumPoolSize is equal to zero
708	>	*/
709		public void testConstructor3() {
710	<	try{
711	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
713	<	}
714	<	catch (IllegalArgumentException success){}
710	>	try {
711	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
712	>	new ArrayBlockingQueue<Runnable>(10));
713	>	shouldThrow();
714	>	} catch (IllegalArgumentException success) {}
715		}
716
717	<	/** Throws if keepAliveTime is less than zero */
717	>	/**
718	>	* Constructor throws if keepAliveTime is less than zero
719	>	*/
720		public void testConstructor4() {
721	<	try{
722	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
724	<	}
725	<	catch (IllegalArgumentException success){}
721	>	try {
722	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
723	>	new ArrayBlockingQueue<Runnable>(10));
724	>	shouldThrow();
725	>	} catch (IllegalArgumentException success) {}
726		}
727
728	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
728	>	/**
729	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
730	>	*/
731		public void testConstructor5() {
732	<	try{
733	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
734	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
735	<	}
736	<	catch (IllegalArgumentException success){}
732	>	try {
733	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
734	>	new ArrayBlockingQueue<Runnable>(10));
735	>	shouldThrow();
736	>	} catch (IllegalArgumentException success) {}
737		}
738	<
739	<	/** Throws if workQueue is set to null */
740	<	public void testNullPointerException() {
741	<	try{
742	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
743	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
744	<	}
745	<	catch (NullPointerException success){}
738	>
739	>	/**
740	>	* Constructor throws if workQueue is set to null
741	>	*/
742	>	public void testConstructorNullPointerException() {
743	>	try {
744	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
745	>	(BlockingQueue) null);
746	>	shouldThrow();
747	>	} catch (NullPointerException success) {}
748		}
288	–
749
750	<
751	<	/** Throws if corePoolSize argument is less than zero */
750	>	/**
751	>	* Constructor throws if corePoolSize argument is less than zero
752	>	*/
753		public void testConstructor6() {
754	<	try{
755	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
756	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
757	<	} catch (IllegalArgumentException success){}
754	>	try {
755	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
756	>	new ArrayBlockingQueue<Runnable>(10),
757	>	new SimpleThreadFactory());
758	>	shouldThrow();
759	>	} catch (IllegalArgumentException success) {}
760		}
761	<
762	<	/** Throws if maximumPoolSize is less than zero */
761	>
762	>	/**
763	>	* Constructor throws if maximumPoolSize is less than zero
764	>	*/
765		public void testConstructor7() {
766	<	try{
767	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
768	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
769	<	}
770	<	catch (IllegalArgumentException success){}
766	>	try {
767	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
768	>	new ArrayBlockingQueue<Runnable>(10),
769	>	new SimpleThreadFactory());
770	>	shouldThrow();
771	>	} catch (IllegalArgumentException success) {}
772		}
773
774	<	/** Throws if maximumPoolSize is equal to zero */
774	>	/**
775	>	* Constructor throws if maximumPoolSize is equal to zero
776	>	*/
777		public void testConstructor8() {
778	<	try{
779	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
780	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
781	<	}
782	<	catch (IllegalArgumentException success){}
778	>	try {
779	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
780	>	new ArrayBlockingQueue<Runnable>(10),
781	>	new SimpleThreadFactory());
782	>	shouldThrow();
783	>	} catch (IllegalArgumentException success) {}
784		}
785
786	<	/** Throws if keepAliveTime is less than zero */
786	>	/**
787	>	* Constructor throws if keepAliveTime is less than zero
788	>	*/
789		public void testConstructor9() {
790	<	try{
791	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
792	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
793	<	}
794	<	catch (IllegalArgumentException success){}
790	>	try {
791	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
792	>	new ArrayBlockingQueue<Runnable>(10),
793	>	new SimpleThreadFactory());
794	>	shouldThrow();
795	>	} catch (IllegalArgumentException success) {}
796		}
797
798	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
798	>	/**
799	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
800	>	*/
801		public void testConstructor10() {
802	<	try{
803	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
804	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
802	>	try {
803	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
804	>	new ArrayBlockingQueue<Runnable>(10),
805	>	new SimpleThreadFactory());
806	>	shouldThrow();
807	>	} catch (IllegalArgumentException success) {}
808	>	}
809	>
810	>	/**
811	>	* Constructor throws if workQueue is set to null
812	>	*/
813	>	public void testConstructorNullPointerException2() {
814	>	try {
815	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
816	>	(BlockingQueue) null,
817	>	new SimpleThreadFactory());
818	>	shouldThrow();
819	>	} catch (NullPointerException success) {}
820	>	}
821	>
822	>	/**
823	>	* Constructor throws if threadFactory is set to null
824	>	*/
825	>	public void testConstructorNullPointerException3() {
826	>	try {
827	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
828	>	new ArrayBlockingQueue<Runnable>(10),
829	>	(ThreadFactory) null);
830	>	shouldThrow();
831	>	} catch (NullPointerException success) {}
832	>	}
833	>
834	>	/**
835	>	* Constructor throws if corePoolSize argument is less than zero
836	>	*/
837	>	public void testConstructor11() {
838	>	try {
839	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
840	>	new ArrayBlockingQueue<Runnable>(10),
841	>	new NoOpREHandler());
842	>	shouldThrow();
843	>	} catch (IllegalArgumentException success) {}
844	>	}
845	>
846	>	/**
847	>	* Constructor throws if maximumPoolSize is less than zero
848	>	*/
849	>	public void testConstructor12() {
850	>	try {
851	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
852	>	new ArrayBlockingQueue<Runnable>(10),
853	>	new NoOpREHandler());
854	>	shouldThrow();
855	>	} catch (IllegalArgumentException success) {}
856	>	}
857	>
858	>	/**
859	>	* Constructor throws if maximumPoolSize is equal to zero
860	>	*/
861	>	public void testConstructor13() {
862	>	try {
863	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
864	>	new ArrayBlockingQueue<Runnable>(10),
865	>	new NoOpREHandler());
866	>	shouldThrow();
867	>	} catch (IllegalArgumentException success) {}
868	>	}
869	>
870	>	/**
871	>	* Constructor throws if keepAliveTime is less than zero
872	>	*/
873	>	public void testConstructor14() {
874	>	try {
875	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
876	>	new ArrayBlockingQueue<Runnable>(10),
877	>	new NoOpREHandler());
878	>	shouldThrow();
879	>	} catch (IllegalArgumentException success) {}
880	>	}
881	>
882	>	/**
883	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
884	>	*/
885	>	public void testConstructor15() {
886	>	try {
887	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
888	>	new ArrayBlockingQueue<Runnable>(10),
889	>	new NoOpREHandler());
890	>	shouldThrow();
891	>	} catch (IllegalArgumentException success) {}
892	>	}
893	>
894	>	/**
895	>	* Constructor throws if workQueue is set to null
896	>	*/
897	>	public void testConstructorNullPointerException4() {
898	>	try {
899	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
900	>	(BlockingQueue) null,
901	>	new NoOpREHandler());
902	>	shouldThrow();
903	>	} catch (NullPointerException success) {}
904	>	}
905	>
906	>	/**
907	>	* Constructor throws if handler is set to null
908	>	*/
909	>	public void testConstructorNullPointerException5() {
910	>	try {
911	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
912	>	new ArrayBlockingQueue<Runnable>(10),
913	>	(RejectedExecutionHandler) null);
914	>	shouldThrow();
915	>	} catch (NullPointerException success) {}
916	>	}
917	>
918	>	/**
919	>	* Constructor throws if corePoolSize argument is less than zero
920	>	*/
921	>	public void testConstructor16() {
922	>	try {
923	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
924	>	new ArrayBlockingQueue<Runnable>(10),
925	>	new SimpleThreadFactory(),
926	>	new NoOpREHandler());
927	>	shouldThrow();
928	>	} catch (IllegalArgumentException success) {}
929	>	}
930	>
931	>	/**
932	>	* Constructor throws if maximumPoolSize is less than zero
933	>	*/
934	>	public void testConstructor17() {
935	>	try {
936	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
937	>	new ArrayBlockingQueue<Runnable>(10),
938	>	new SimpleThreadFactory(),
939	>	new NoOpREHandler());
940	>	shouldThrow();
941	>	} catch (IllegalArgumentException success) {}
942	>	}
943	>
944	>	/**
945	>	* Constructor throws if maximumPoolSize is equal to zero
946	>	*/
947	>	public void testConstructor18() {
948	>	try {
949	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
950	>	new ArrayBlockingQueue<Runnable>(10),
951	>	new SimpleThreadFactory(),
952	>	new NoOpREHandler());
953	>	shouldThrow();
954	>	} catch (IllegalArgumentException success) {}
955	>	}
956	>
957	>	/**
958	>	* Constructor throws if keepAliveTime is less than zero
959	>	*/
960	>	public void testConstructor19() {
961	>	try {
962	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
963	>	new ArrayBlockingQueue<Runnable>(10),
964	>	new SimpleThreadFactory(),
965	>	new NoOpREHandler());
966	>	shouldThrow();
967	>	} catch (IllegalArgumentException success) {}
968	>	}
969	>
970	>	/**
971	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
972	>	*/
973	>	public void testConstructor20() {
974	>	try {
975	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
976	>	new ArrayBlockingQueue<Runnable>(10),
977	>	new SimpleThreadFactory(),
978	>	new NoOpREHandler());
979	>	shouldThrow();
980	>	} catch (IllegalArgumentException success) {}
981	>	}
982	>
983	>	/**
984	>	* Constructor throws if workQueue is null
985	>	*/
986	>	public void testConstructorNullPointerException6() {
987	>	try {
988	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
989	>	(BlockingQueue) null,
990	>	new SimpleThreadFactory(),
991	>	new NoOpREHandler());
992	>	shouldThrow();
993	>	} catch (NullPointerException success) {}
994	>	}
995	>
996	>	/**
997	>	* Constructor throws if handler is null
998	>	*/
999	>	public void testConstructorNullPointerException7() {
1000	>	try {
1001	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1002	>	new ArrayBlockingQueue<Runnable>(10),
1003	>	new SimpleThreadFactory(),
1004	>	(RejectedExecutionHandler) null);
1005	>	shouldThrow();
1006	>	} catch (NullPointerException success) {}
1007	>	}
1008	>
1009	>	/**
1010	>	* Constructor throws if ThreadFactory is null
1011	>	*/
1012	>	public void testConstructorNullPointerException8() {
1013	>	try {
1014	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1015	>	new ArrayBlockingQueue<Runnable>(10),
1016	>	(ThreadFactory) null,
1017	>	new NoOpREHandler());
1018	>	shouldThrow();
1019	>	} catch (NullPointerException success) {}
1020	>	}
1021	>
1022	>	/**
1023	>	* get of submitted callable throws InterruptedException if interrupted
1024	>	*/
1025	>	public void testInterruptedSubmit() throws InterruptedException {
1026	>	final ThreadPoolExecutor p =
1027	>	new ThreadPoolExecutor(1, 1,
1028	>	60, SECONDS,
1029	>	new ArrayBlockingQueue<Runnable>(10));
1030	>
1031	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1032	>	final CountDownLatch done = new CountDownLatch(1);
1033	>	try {
1034	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1035	>	public void realRun() throws Exception {
1036	>	Callable task = new CheckedCallable<Boolean>() {
1037	>	public Boolean realCall() throws InterruptedException {
1038	>	threadStarted.countDown();
1039	>	done.await();
1040	>	return Boolean.TRUE;
1041	>	}};
1042	>	p.submit(task).get();
1043	>	}});
1044	>
1045	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1046	>	t.interrupt();
1047	>	awaitTermination(t, MEDIUM_DELAY_MS);
1048	>	} finally {
1049	>	done.countDown();
1050	>	joinPool(p);
1051		}
332	–	catch (IllegalArgumentException success){}
1052		}
1053
1054	<	/** Throws if workQueue is set to null */
1055	<	public void testNullPointerException2() {
1056	<	try{
1057	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1058	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1054	>	/**
1055	>	* execute throws RejectedExecutionException if saturated.
1056	>	*/
1057	>	public void testSaturatedExecute() {
1058	>	ThreadPoolExecutor p =
1059	>	new ThreadPoolExecutor(1, 1,
1060	>	LONG_DELAY_MS, MILLISECONDS,
1061	>	new ArrayBlockingQueue<Runnable>(1));
1062	>	final CountDownLatch done = new CountDownLatch(1);
1063	>	try {
1064	>	Runnable task = new CheckedRunnable() {
1065	>	public void realRun() throws InterruptedException {
1066	>	done.await();
1067	>	}};
1068	>	for (int i = 0; i < 2; ++i)
1069	>	p.execute(task);
1070	>	for (int i = 0; i < 2; ++i) {
1071	>	try {
1072	>	p.execute(task);
1073	>	shouldThrow();
1074	>	} catch (RejectedExecutionException success) {}
1075	>	assertTrue(p.getTaskCount() <= 2);
1076	>	}
1077	>	} finally {
1078	>	done.countDown();
1079	>	joinPool(p);
1080		}
341	–	catch (NullPointerException success){}
1081		}
1082
1083	<	/** Throws if threadFactory is set to null */
1084	<	public void testNullPointerException3() {
1085	<	try{
1086	<	ThreadFactory f = null;
1087	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1088	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1083	>	/**
1084	>	* submit(runnable) throws RejectedExecutionException if saturated.
1085	>	*/
1086	>	public void testSaturatedSubmitRunnable() {
1087	>	ThreadPoolExecutor p =
1088	>	new ThreadPoolExecutor(1, 1,
1089	>	LONG_DELAY_MS, MILLISECONDS,
1090	>	new ArrayBlockingQueue<Runnable>(1));
1091	>	final CountDownLatch done = new CountDownLatch(1);
1092	>	try {
1093	>	Runnable task = new CheckedRunnable() {
1094	>	public void realRun() throws InterruptedException {
1095	>	done.await();
1096	>	}};
1097	>	for (int i = 0; i < 2; ++i)
1098	>	p.submit(task);
1099	>	for (int i = 0; i < 2; ++i) {
1100	>	try {
1101	>	p.execute(task);
1102	>	shouldThrow();
1103	>	} catch (RejectedExecutionException success) {}
1104	>	assertTrue(p.getTaskCount() <= 2);
1105	>	}
1106	>	} finally {
1107	>	done.countDown();
1108	>	joinPool(p);
1109		}
351	–	catch (NullPointerException success){}
1110		}
1111	<
1112	<
1113	<	/** Throws if corePoolSize argument is less than zero */
1114	<	public void testConstructor11() {
1115	<	try{
1116	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1117	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1111	>
1112	>	/**
1113	>	* submit(callable) throws RejectedExecutionException if saturated.
1114	>	*/
1115	>	public void testSaturatedSubmitCallable() {
1116	>	ThreadPoolExecutor p =
1117	>	new ThreadPoolExecutor(1, 1,
1118	>	LONG_DELAY_MS, MILLISECONDS,
1119	>	new ArrayBlockingQueue<Runnable>(1));
1120	>	final CountDownLatch done = new CountDownLatch(1);
1121	>	try {
1122	>	Runnable task = new CheckedRunnable() {
1123	>	public void realRun() throws InterruptedException {
1124	>	done.await();
1125	>	}};
1126	>	for (int i = 0; i < 2; ++i)
1127	>	p.submit(Executors.callable(task));
1128	>	for (int i = 0; i < 2; ++i) {
1129	>	try {
1130	>	p.execute(task);
1131	>	shouldThrow();
1132	>	} catch (RejectedExecutionException success) {}
1133	>	assertTrue(p.getTaskCount() <= 2);
1134	>	}
1135	>	} finally {
1136	>	done.countDown();
1137	>	joinPool(p);
1138		}
361	–	catch (IllegalArgumentException success){}
1139		}
1140
1141	<	/** Throws if maximumPoolSize is less than zero */
1142	<	public void testConstructor12() {
1143	<	try{
1144	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1145	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1141	>	/**
1142	>	* executor using CallerRunsPolicy runs task if saturated.
1143	>	*/
1144	>	public void testSaturatedExecute2() {
1145	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1146	>	final ThreadPoolExecutor p =
1147	>	new ThreadPoolExecutor(1, 1,
1148	>	LONG_DELAY_MS,
1149	>	MILLISECONDS,
1150	>	new ArrayBlockingQueue<Runnable>(1),
1151	>	h);
1152	>	try {
1153	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1154	>	for (int i = 0; i < tasks.length; ++i)
1155	>	tasks[i] = new TrackedNoOpRunnable();
1156	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1157	>	p.execute(mr);
1158	>	for (int i = 0; i < tasks.length; ++i)
1159	>	p.execute(tasks[i]);
1160	>	for (int i = 1; i < tasks.length; ++i)
1161	>	assertTrue(tasks[i].done);
1162	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1163	>	} finally {
1164	>	joinPool(p);
1165		}
370	–	catch (IllegalArgumentException success){}
1166		}
1167
1168	<	/** Throws if maximumPoolSize is equal to zero */
1169	<	public void testConstructor13() {
1170	<	try{
1171	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1172	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1168	>	/**
1169	>	* executor using DiscardPolicy drops task if saturated.
1170	>	*/
1171	>	public void testSaturatedExecute3() {
1172	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1173	>	final ThreadPoolExecutor p =
1174	>	new ThreadPoolExecutor(1, 1,
1175	>	LONG_DELAY_MS, MILLISECONDS,
1176	>	new ArrayBlockingQueue<Runnable>(1),
1177	>	h);
1178	>	try {
1179	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1180	>	for (int i = 0; i < tasks.length; ++i)
1181	>	tasks[i] = new TrackedNoOpRunnable();
1182	>	p.execute(new TrackedLongRunnable());
1183	>	for (TrackedNoOpRunnable task : tasks)
1184	>	p.execute(task);
1185	>	for (TrackedNoOpRunnable task : tasks)
1186	>	assertFalse(task.done);
1187	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1188	>	} finally {
1189	>	joinPool(p);
1190		}
379	–	catch (IllegalArgumentException success){}
1191		}
1192
1193	<	/** Throws if keepAliveTime is less than zero */
1194	<	public void testConstructor14() {
1195	<	try{
1196	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1197	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1193	>	/**
1194	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1195	>	*/
1196	>	public void testSaturatedExecute4() {
1197	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1198	>	final ThreadPoolExecutor p =
1199	>	new ThreadPoolExecutor(1, 1,
1200	>	LONG_DELAY_MS, MILLISECONDS,
1201	>	new ArrayBlockingQueue<Runnable>(1),
1202	>	h);
1203	>	try {
1204	>	p.execute(new TrackedLongRunnable());
1205	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1206	>	p.execute(r2);
1207	>	assertTrue(p.getQueue().contains(r2));
1208	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1209	>	p.execute(r3);
1210	>	assertFalse(p.getQueue().contains(r2));
1211	>	assertTrue(p.getQueue().contains(r3));
1212	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1213	>	} finally {
1214	>	joinPool(p);
1215		}
388	–	catch (IllegalArgumentException success){}
1216		}
1217
1218	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1219	<	public void testConstructor15() {
1220	<	try{
1221	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1222	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1218	>	/**
1219	>	* execute throws RejectedExecutionException if shutdown
1220	>	*/
1221	>	public void testRejectedExecutionExceptionOnShutdown() {
1222	>	ThreadPoolExecutor p =
1223	>	new ThreadPoolExecutor(1, 1,
1224	>	LONG_DELAY_MS, MILLISECONDS,
1225	>	new ArrayBlockingQueue<Runnable>(1));
1226	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1227	>	try {
1228	>	p.execute(new NoOpRunnable());
1229	>	shouldThrow();
1230	>	} catch (RejectedExecutionException success) {}
1231	>
1232	>	joinPool(p);
1233	>	}
1234	>
1235	>	/**
1236	>	* execute using CallerRunsPolicy drops task on shutdown
1237	>	*/
1238	>	public void testCallerRunsOnShutdown() {
1239	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1240	>	final ThreadPoolExecutor p =
1241	>	new ThreadPoolExecutor(1, 1,
1242	>	LONG_DELAY_MS, MILLISECONDS,
1243	>	new ArrayBlockingQueue<Runnable>(1), h);
1244	>
1245	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1246	>	try {
1247	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1248	>	p.execute(r);
1249	>	assertFalse(r.done);
1250	>	} finally {
1251	>	joinPool(p);
1252		}
397	–	catch (IllegalArgumentException success){}
1253		}
1254
1255	<	/** Throws if workQueue is set to null */
1256	<	public void testNullPointerException4() {
1257	<	try{
1258	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1259	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1255	>	/**
1256	>	* execute using DiscardPolicy drops task on shutdown
1257	>	*/
1258	>	public void testDiscardOnShutdown() {
1259	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1260	>	ThreadPoolExecutor p =
1261	>	new ThreadPoolExecutor(1, 1,
1262	>	LONG_DELAY_MS, MILLISECONDS,
1263	>	new ArrayBlockingQueue<Runnable>(1),
1264	>	h);
1265	>
1266	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1267	>	try {
1268	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1269	>	p.execute(r);
1270	>	assertFalse(r.done);
1271	>	} finally {
1272	>	joinPool(p);
1273		}
406	–	catch (NullPointerException success){}
1274		}
1275
1276	<	/** Throws if handler is set to null */
1277	<	public void testNullPointerException5() {
1278	<	try{
1279	<	RejectedExecutionHandler r = null;
1280	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1281	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1276	>	/**
1277	>	* execute using DiscardOldestPolicy drops task on shutdown
1278	>	*/
1279	>	public void testDiscardOldestOnShutdown() {
1280	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1281	>	ThreadPoolExecutor p =
1282	>	new ThreadPoolExecutor(1, 1,
1283	>	LONG_DELAY_MS, MILLISECONDS,
1284	>	new ArrayBlockingQueue<Runnable>(1),
1285	>	h);
1286	>
1287	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1288	>	try {
1289	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1290	>	p.execute(r);
1291	>	assertFalse(r.done);
1292	>	} finally {
1293	>	joinPool(p);
1294		}
416	–	catch (NullPointerException success){}
1295		}
1296
1297	<
1298	<	/** Throws if corePoolSize argument is less than zero */
1299	<	public void testConstructor16() {
1300	<	try{
1301	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1302	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1297	>	/**
1298	>	* execute(null) throws NPE
1299	>	*/
1300	>	public void testExecuteNull() {
1301	>	ThreadPoolExecutor p =
1302	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1303	>	new ArrayBlockingQueue<Runnable>(10));
1304	>	try {
1305	>	p.execute(null);
1306	>	shouldThrow();
1307	>	} catch (NullPointerException success) {}
1308	>
1309	>	joinPool(p);
1310	>	}
1311	>
1312	>	/**
1313	>	* setCorePoolSize of negative value throws IllegalArgumentException
1314	>	*/
1315	>	public void testCorePoolSizeIllegalArgumentException() {
1316	>	ThreadPoolExecutor p =
1317	>	new ThreadPoolExecutor(1, 2,
1318	>	LONG_DELAY_MS, MILLISECONDS,
1319	>	new ArrayBlockingQueue<Runnable>(10));
1320	>	try {
1321	>	p.setCorePoolSize(-1);
1322	>	shouldThrow();
1323	>	} catch (IllegalArgumentException success) {
1324	>	} finally {
1325	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1326		}
1327	<	catch (IllegalArgumentException success){}
1327	>	joinPool(p);
1328		}
1329
1330	<	/** Throws if maximumPoolSize is less than zero */
1331	<	public void testConstructor17() {
1332	<	try{
1333	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1334	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1330	>	/**
1331	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1332	>	* given a value less the core pool size
1333	>	*/
1334	>	public void testMaximumPoolSizeIllegalArgumentException() {
1335	>	ThreadPoolExecutor p =
1336	>	new ThreadPoolExecutor(2, 3,
1337	>	LONG_DELAY_MS, MILLISECONDS,
1338	>	new ArrayBlockingQueue<Runnable>(10));
1339	>	try {
1340	>	p.setMaximumPoolSize(1);
1341	>	shouldThrow();
1342	>	} catch (IllegalArgumentException success) {
1343	>	} finally {
1344	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1345		}
1346	<	catch (IllegalArgumentException success){}
1346	>	joinPool(p);
1347		}
1348
1349	<	/** Throws if maximumPoolSize is equal to zero */
1350	<	public void testConstructor18() {
1351	<	try{
1352	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1353	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1349	>	/**
1350	>	* setMaximumPoolSize throws IllegalArgumentException
1351	>	* if given a negative value
1352	>	*/
1353	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1354	>	ThreadPoolExecutor p =
1355	>	new ThreadPoolExecutor(2, 3,
1356	>	LONG_DELAY_MS, MILLISECONDS,
1357	>	new ArrayBlockingQueue<Runnable>(10));
1358	>	try {
1359	>	p.setMaximumPoolSize(-1);
1360	>	shouldThrow();
1361	>	} catch (IllegalArgumentException success) {
1362	>	} finally {
1363	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1364		}
1365	<	catch (IllegalArgumentException success){}
1365	>	joinPool(p);
1366		}
1367
1368	<	/** Throws if keepAliveTime is less than zero */
1369	<	public void testConstructor19() {
1370	<	try{
1371	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1372	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1368	>	/**
1369	>	* Configuration changes that allow core pool size greater than
1370	>	* max pool size result in IllegalArgumentException.
1371	>	*/
1372	>	public void testPoolSizeInvariants() {
1373	>	ThreadPoolExecutor p =
1374	>	new ThreadPoolExecutor(1, 1,
1375	>	LONG_DELAY_MS, MILLISECONDS,
1376	>	new ArrayBlockingQueue<Runnable>(10));
1377	>	for (int s = 1; s < 5; s++) {
1378	>	p.setMaximumPoolSize(s);
1379	>	p.setCorePoolSize(s);
1380	>	try {
1381	>	p.setMaximumPoolSize(s - 1);
1382	>	shouldThrow();
1383	>	} catch (IllegalArgumentException success) {}
1384	>	assertEquals(s, p.getCorePoolSize());
1385	>	assertEquals(s, p.getMaximumPoolSize());
1386	>	try {
1387	>	p.setCorePoolSize(s + 1);
1388	>	shouldThrow();
1389	>	} catch (IllegalArgumentException success) {}
1390	>	assertEquals(s, p.getCorePoolSize());
1391	>	assertEquals(s, p.getMaximumPoolSize());
1392		}
1393	<	catch (IllegalArgumentException success){}
1393	>	joinPool(p);
1394		}
1395
1396	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1397	<	public void testConstructor20() {
1398	<	try{
1399	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1400	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1396	>	/**
1397	>	* setKeepAliveTime throws IllegalArgumentException
1398	>	* when given a negative value
1399	>	*/
1400	>	public void testKeepAliveTimeIllegalArgumentException() {
1401	>	ThreadPoolExecutor p =
1402	>	new ThreadPoolExecutor(2, 3,
1403	>	LONG_DELAY_MS, MILLISECONDS,
1404	>	new ArrayBlockingQueue<Runnable>(10));
1405	>	try {
1406	>	p.setKeepAliveTime(-1,MILLISECONDS);
1407	>	shouldThrow();
1408	>	} catch (IllegalArgumentException success) {
1409	>	} finally {
1410	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1411		}
1412	<	catch (IllegalArgumentException success){}
1412	>	joinPool(p);
1413		}
1414
1415	<	/** Throws if workQueue is set to null */
1416	<	public void testNullPointerException6() {
1417	<	try{
1418	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1419	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1415	>	/**
1416	>	* terminated() is called on termination
1417	>	*/
1418	>	public void testTerminated() {
1419	>	ExtendedTPE p = new ExtendedTPE();
1420	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1421	>	assertTrue(p.terminatedCalled());
1422	>	joinPool(p);
1423	>	}
1424	>
1425	>	/**
1426	>	* beforeExecute and afterExecute are called when executing task
1427	>	*/
1428	>	public void testBeforeAfter() throws InterruptedException {
1429	>	ExtendedTPE p = new ExtendedTPE();
1430	>	try {
1431	>	final CountDownLatch done = new CountDownLatch(1);
1432	>	p.execute(new CheckedRunnable() {
1433	>	public void realRun() {
1434	>	done.countDown();
1435	>	}});
1436	>	await(p.afterCalled);
1437	>	assertEquals(0, done.getCount());
1438	>	assertTrue(p.afterCalled());
1439	>	assertTrue(p.beforeCalled());
1440	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1441	>	} finally {
1442	>	joinPool(p);
1443	>	}
1444	>	}
1445	>
1446	>	/**
1447	>	* completed submit of callable returns result
1448	>	*/
1449	>	public void testSubmitCallable() throws Exception {
1450	>	ExecutorService e =
1451	>	new ThreadPoolExecutor(2, 2,
1452	>	LONG_DELAY_MS, MILLISECONDS,
1453	>	new ArrayBlockingQueue<Runnable>(10));
1454	>	try {
1455	>	Future<String> future = e.submit(new StringTask());
1456	>	String result = future.get();
1457	>	assertSame(TEST_STRING, result);
1458	>	} finally {
1459	>	joinPool(e);
1460	>	}
1461	>	}
1462	>
1463	>	/**
1464	>	* completed submit of runnable returns successfully
1465	>	*/
1466	>	public void testSubmitRunnable() throws Exception {
1467	>	ExecutorService e =
1468	>	new ThreadPoolExecutor(2, 2,
1469	>	LONG_DELAY_MS, MILLISECONDS,
1470	>	new ArrayBlockingQueue<Runnable>(10));
1471	>	try {
1472	>	Future<?> future = e.submit(new NoOpRunnable());
1473	>	future.get();
1474	>	assertTrue(future.isDone());
1475	>	} finally {
1476	>	joinPool(e);
1477	>	}
1478	>	}
1479	>
1480	>	/**
1481	>	* completed submit of (runnable, result) returns result
1482	>	*/
1483	>	public void testSubmitRunnable2() throws Exception {
1484	>	ExecutorService e =
1485	>	new ThreadPoolExecutor(2, 2,
1486	>	LONG_DELAY_MS, MILLISECONDS,
1487	>	new ArrayBlockingQueue<Runnable>(10));
1488	>	try {
1489	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1490	>	String result = future.get();
1491	>	assertSame(TEST_STRING, result);
1492	>	} finally {
1493	>	joinPool(e);
1494	>	}
1495	>	}
1496	>
1497	>	/**
1498	>	* invokeAny(null) throws NPE
1499	>	*/
1500	>	public void testInvokeAny1() throws Exception {
1501	>	ExecutorService e =
1502	>	new ThreadPoolExecutor(2, 2,
1503	>	LONG_DELAY_MS, MILLISECONDS,
1504	>	new ArrayBlockingQueue<Runnable>(10));
1505	>	try {
1506	>	e.invokeAny(null);
1507	>	shouldThrow();
1508	>	} catch (NullPointerException success) {
1509	>	} finally {
1510	>	joinPool(e);
1511		}
471	–	catch (NullPointerException success){}
1512		}
1513
1514	<	/** Throws if handler is set to null */
1515	<	public void testNullPointerException7() {
1516	<	try{
1517	<	RejectedExecutionHandler r = null;
1518	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1519	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1514	>	/**
1515	>	* invokeAny(empty collection) throws IAE
1516	>	*/
1517	>	public void testInvokeAny2() throws Exception {
1518	>	ExecutorService e =
1519	>	new ThreadPoolExecutor(2, 2,
1520	>	LONG_DELAY_MS, MILLISECONDS,
1521	>	new ArrayBlockingQueue<Runnable>(10));
1522	>	try {
1523	>	e.invokeAny(new ArrayList<Callable<String>>());
1524	>	shouldThrow();
1525	>	} catch (IllegalArgumentException success) {
1526	>	} finally {
1527	>	joinPool(e);
1528		}
481	–	catch (NullPointerException success){}
1529		}
1530
1531	<	/** Throws if ThreadFactory is set top null */
1532	<	public void testNullPointerException8() {
1533	<	try{
1534	<	ThreadFactory f = null;
1535	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1536	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1531	>	/**
1532	>	* invokeAny(c) throws NPE if c has null elements
1533	>	*/
1534	>	public void testInvokeAny3() throws Exception {
1535	>	final CountDownLatch latch = new CountDownLatch(1);
1536	>	final ExecutorService e =
1537	>	new ThreadPoolExecutor(2, 2,
1538	>	LONG_DELAY_MS, MILLISECONDS,
1539	>	new ArrayBlockingQueue<Runnable>(10));
1540	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1541	>	l.add(latchAwaitingStringTask(latch));
1542	>	l.add(null);
1543	>	try {
1544	>	e.invokeAny(l);
1545	>	shouldThrow();
1546	>	} catch (NullPointerException success) {
1547	>	} finally {
1548	>	latch.countDown();
1549	>	joinPool(e);
1550		}
491	–	catch (NullPointerException successdn8){}
1551		}
493	–
1552
1553		/**
1554	<	*   execute will throw RejectedExcutionException
497	<	*  ThreadPoolExecutor will throw one when more runnables are
498	<	*  executed then will fit in the Queue.
1554	>	* invokeAny(c) throws ExecutionException if no task completes
1555		*/
1556	<	public void testRejectedExecutionException(){
1557	<	ThreadPoolExecutor tpe = null;
1558	<	try{
1559	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1560	<	} catch(Exception e){}
1561	<	tpe.shutdown();
1562	<	try{
1563	<	tpe.execute(new NoOpRunnable());
1564	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1565	<	} catch(RejectedExecutionException success){}
1566	<
1567	<	joinPool(tpe);
1556	>	public void testInvokeAny4() throws Exception {
1557	>	ExecutorService e =
1558	>	new ThreadPoolExecutor(2, 2,
1559	>	LONG_DELAY_MS, MILLISECONDS,
1560	>	new ArrayBlockingQueue<Runnable>(10));
1561	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1562	>	l.add(new NPETask());
1563	>	try {
1564	>	e.invokeAny(l);
1565	>	shouldThrow();
1566	>	} catch (ExecutionException success) {
1567	>	assertTrue(success.getCause() instanceof NullPointerException);
1568	>	} finally {
1569	>	joinPool(e);
1570	>	}
1571		}
1572	<
1572	>
1573		/**
1574	<	*   setCorePoolSize will throw IllegalArgumentException
516	<	*  when given a negative
1574	>	* invokeAny(c) returns result of some task
1575		*/
1576	<	public void testCorePoolSizeIllegalArgumentException(){
1577	<	ThreadPoolExecutor tpe = null;
1578	<	try{
1579	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1580	<	} catch(Exception e){}
1581	<	try{
1582	<	tpe.setCorePoolSize(-1);
1583	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1584	<	} catch(IllegalArgumentException success){
1576	>	public void testInvokeAny5() throws Exception {
1577	>	ExecutorService e =
1578	>	new ThreadPoolExecutor(2, 2,
1579	>	LONG_DELAY_MS, MILLISECONDS,
1580	>	new ArrayBlockingQueue<Runnable>(10));
1581	>	try {
1582	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1583	>	l.add(new StringTask());
1584	>	l.add(new StringTask());
1585	>	String result = e.invokeAny(l);
1586	>	assertSame(TEST_STRING, result);
1587		} finally {
1588	<	tpe.shutdown();
1588	>	joinPool(e);
1589		}
1590	<	joinPool(tpe);
531	<	}
1590	>	}
1591
533	–
1592		/**
1593	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1594	<	*  if given a value less the it's actual core pool size
1595	<	*/
1596	<	public void testMaximumPoolSizeIllegalArgumentException(){
1597	<	ThreadPoolExecutor tpe = null;
1598	<	try{
1599	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1600	<	} catch(Exception e){}
1601	<	try{
1602	<	tpe.setMaximumPoolSize(1);
1603	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
546	<	} catch(IllegalArgumentException success){
1593	>	* invokeAll(null) throws NPE
1594	>	*/
1595	>	public void testInvokeAll1() throws Exception {
1596	>	ExecutorService e =
1597	>	new ThreadPoolExecutor(2, 2,
1598	>	LONG_DELAY_MS, MILLISECONDS,
1599	>	new ArrayBlockingQueue<Runnable>(10));
1600	>	try {
1601	>	e.invokeAll(null);
1602	>	shouldThrow();
1603	>	} catch (NullPointerException success) {
1604		} finally {
1605	<	tpe.shutdown();
1605	>	joinPool(e);
1606		}
550	–	joinPool(tpe);
1607		}
1608	<
1608	>
1609		/**
1610	<	*   setMaximumPoolSize will throw IllegalArgumentException
555	<	*  if given a negative number
1610	>	* invokeAll(empty collection) returns empty collection
1611		*/
1612	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1613	<	ThreadPoolExecutor tpe = null;
1614	<	try{
1615	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1616	<	} catch(Exception e){}
1617	<	try{
1618	<	tpe.setMaximumPoolSize(-1);
1619	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1620	<	} catch(IllegalArgumentException success){
1612	>	public void testInvokeAll2() throws InterruptedException {
1613	>	ExecutorService e =
1614	>	new ThreadPoolExecutor(2, 2,
1615	>	LONG_DELAY_MS, MILLISECONDS,
1616	>	new ArrayBlockingQueue<Runnable>(10));
1617	>	try {
1618	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1619	>	assertTrue(r.isEmpty());
1620	>	} finally {
1621	>	joinPool(e);
1622	>	}
1623	>	}
1624	>
1625	>	/**
1626	>	* invokeAll(c) throws NPE if c has null elements
1627	>	*/
1628	>	public void testInvokeAll3() throws Exception {
1629	>	ExecutorService e =
1630	>	new ThreadPoolExecutor(2, 2,
1631	>	LONG_DELAY_MS, MILLISECONDS,
1632	>	new ArrayBlockingQueue<Runnable>(10));
1633	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1634	>	l.add(new StringTask());
1635	>	l.add(null);
1636	>	try {
1637	>	e.invokeAll(l);
1638	>	shouldThrow();
1639	>	} catch (NullPointerException success) {
1640		} finally {
1641	<	tpe.shutdown();
1641	>	joinPool(e);
1642		}
569	–	joinPool(tpe);
1643		}
571	–
1644
1645		/**
1646	<	*   setKeepAliveTime will throw IllegalArgumentException
575	<	*  when given a negative value
1646	>	* get of element of invokeAll(c) throws exception on failed task
1647		*/
1648	<	public void testKeepAliveTimeIllegalArgumentException(){
1649	<	ThreadPoolExecutor tpe = null;
1650	<	try{
1651	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1652	<	} catch(Exception e){}
1653	<
1654	<	try{
1655	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1656	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1657	<	} catch(IllegalArgumentException success){
1648	>	public void testInvokeAll4() throws Exception {
1649	>	ExecutorService e =
1650	>	new ThreadPoolExecutor(2, 2,
1651	>	LONG_DELAY_MS, MILLISECONDS,
1652	>	new ArrayBlockingQueue<Runnable>(10));
1653	>	try {
1654	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1655	>	l.add(new NPETask());
1656	>	List<Future<String>> futures = e.invokeAll(l);
1657	>	assertEquals(1, futures.size());
1658	>	try {
1659	>	futures.get(0).get();
1660	>	shouldThrow();
1661	>	} catch (ExecutionException success) {
1662	>	assertTrue(success.getCause() instanceof NullPointerException);
1663	>	}
1664	>	} finally {
1665	>	joinPool(e);
1666	>	}
1667	>	}
1668	>
1669	>	/**
1670	>	* invokeAll(c) returns results of all completed tasks
1671	>	*/
1672	>	public void testInvokeAll5() throws Exception {
1673	>	ExecutorService e =
1674	>	new ThreadPoolExecutor(2, 2,
1675	>	LONG_DELAY_MS, MILLISECONDS,
1676	>	new ArrayBlockingQueue<Runnable>(10));
1677	>	try {
1678	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1679	>	l.add(new StringTask());
1680	>	l.add(new StringTask());
1681	>	List<Future<String>> futures = e.invokeAll(l);
1682	>	assertEquals(2, futures.size());
1683	>	for (Future<String> future : futures)
1684	>	assertSame(TEST_STRING, future.get());
1685		} finally {
1686	<	tpe.shutdown();
1686	>	joinPool(e);
1687		}
590	–	joinPool(tpe);
1688		}
1689	<
1689	>
1690	>	/**
1691	>	* timed invokeAny(null) throws NPE
1692	>	*/
1693	>	public void testTimedInvokeAny1() throws Exception {
1694	>	ExecutorService e =
1695	>	new ThreadPoolExecutor(2, 2,
1696	>	LONG_DELAY_MS, MILLISECONDS,
1697	>	new ArrayBlockingQueue<Runnable>(10));
1698	>	try {
1699	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1700	>	shouldThrow();
1701	>	} catch (NullPointerException success) {
1702	>	} finally {
1703	>	joinPool(e);
1704	>	}
1705	>	}
1706	>
1707	>	/**
1708	>	* timed invokeAny(,,null) throws NPE
1709	>	*/
1710	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1711	>	ExecutorService e =
1712	>	new ThreadPoolExecutor(2, 2,
1713	>	LONG_DELAY_MS, MILLISECONDS,
1714	>	new ArrayBlockingQueue<Runnable>(10));
1715	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1716	>	l.add(new StringTask());
1717	>	try {
1718	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1719	>	shouldThrow();
1720	>	} catch (NullPointerException success) {
1721	>	} finally {
1722	>	joinPool(e);
1723	>	}
1724	>	}
1725	>
1726	>	/**
1727	>	* timed invokeAny(empty collection) throws IAE
1728	>	*/
1729	>	public void testTimedInvokeAny2() throws Exception {
1730	>	ExecutorService e =
1731	>	new ThreadPoolExecutor(2, 2,
1732	>	LONG_DELAY_MS, MILLISECONDS,
1733	>	new ArrayBlockingQueue<Runnable>(10));
1734	>	try {
1735	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1736	>	shouldThrow();
1737	>	} catch (IllegalArgumentException success) {
1738	>	} finally {
1739	>	joinPool(e);
1740	>	}
1741	>	}
1742	>
1743	>	/**
1744	>	* timed invokeAny(c) throws NPE if c has null elements
1745	>	*/
1746	>	public void testTimedInvokeAny3() throws Exception {
1747	>	final CountDownLatch latch = new CountDownLatch(1);
1748	>	final ExecutorService e =
1749	>	new ThreadPoolExecutor(2, 2,
1750	>	LONG_DELAY_MS, MILLISECONDS,
1751	>	new ArrayBlockingQueue<Runnable>(10));
1752	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1753	>	l.add(latchAwaitingStringTask(latch));
1754	>	l.add(null);
1755	>	try {
1756	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1757	>	shouldThrow();
1758	>	} catch (NullPointerException success) {
1759	>	} finally {
1760	>	latch.countDown();
1761	>	joinPool(e);
1762	>	}
1763	>	}
1764	>
1765	>	/**
1766	>	* timed invokeAny(c) throws ExecutionException if no task completes
1767	>	*/
1768	>	public void testTimedInvokeAny4() throws Exception {
1769	>	ExecutorService e =
1770	>	new ThreadPoolExecutor(2, 2,
1771	>	LONG_DELAY_MS, MILLISECONDS,
1772	>	new ArrayBlockingQueue<Runnable>(10));
1773	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1774	>	l.add(new NPETask());
1775	>	try {
1776	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1777	>	shouldThrow();
1778	>	} catch (ExecutionException success) {
1779	>	assertTrue(success.getCause() instanceof NullPointerException);
1780	>	} finally {
1781	>	joinPool(e);
1782	>	}
1783	>	}
1784	>
1785	>	/**
1786	>	* timed invokeAny(c) returns result of some task
1787	>	*/
1788	>	public void testTimedInvokeAny5() throws Exception {
1789	>	ExecutorService e =
1790	>	new ThreadPoolExecutor(2, 2,
1791	>	LONG_DELAY_MS, MILLISECONDS,
1792	>	new ArrayBlockingQueue<Runnable>(10));
1793	>	try {
1794	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1795	>	l.add(new StringTask());
1796	>	l.add(new StringTask());
1797	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1798	>	assertSame(TEST_STRING, result);
1799	>	} finally {
1800	>	joinPool(e);
1801	>	}
1802	>	}
1803	>
1804	>	/**
1805	>	* timed invokeAll(null) throws NPE
1806	>	*/
1807	>	public void testTimedInvokeAll1() throws Exception {
1808	>	ExecutorService e =
1809	>	new ThreadPoolExecutor(2, 2,
1810	>	LONG_DELAY_MS, MILLISECONDS,
1811	>	new ArrayBlockingQueue<Runnable>(10));
1812	>	try {
1813	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1814	>	shouldThrow();
1815	>	} catch (NullPointerException success) {
1816	>	} finally {
1817	>	joinPool(e);
1818	>	}
1819	>	}
1820	>
1821	>	/**
1822	>	* timed invokeAll(,,null) throws NPE
1823	>	*/
1824	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1825	>	ExecutorService e =
1826	>	new ThreadPoolExecutor(2, 2,
1827	>	LONG_DELAY_MS, MILLISECONDS,
1828	>	new ArrayBlockingQueue<Runnable>(10));
1829	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1830	>	l.add(new StringTask());
1831	>	try {
1832	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1833	>	shouldThrow();
1834	>	} catch (NullPointerException success) {
1835	>	} finally {
1836	>	joinPool(e);
1837	>	}
1838	>	}
1839	>
1840	>	/**
1841	>	* timed invokeAll(empty collection) returns empty collection
1842	>	*/
1843	>	public void testTimedInvokeAll2() throws InterruptedException {
1844	>	ExecutorService e =
1845	>	new ThreadPoolExecutor(2, 2,
1846	>	LONG_DELAY_MS, MILLISECONDS,
1847	>	new ArrayBlockingQueue<Runnable>(10));
1848	>	try {
1849	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1850	>	assertTrue(r.isEmpty());
1851	>	} finally {
1852	>	joinPool(e);
1853	>	}
1854	>	}
1855	>
1856	>	/**
1857	>	* timed invokeAll(c) throws NPE if c has null elements
1858	>	*/
1859	>	public void testTimedInvokeAll3() throws Exception {
1860	>	ExecutorService e =
1861	>	new ThreadPoolExecutor(2, 2,
1862	>	LONG_DELAY_MS, MILLISECONDS,
1863	>	new ArrayBlockingQueue<Runnable>(10));
1864	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1865	>	l.add(new StringTask());
1866	>	l.add(null);
1867	>	try {
1868	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1869	>	shouldThrow();
1870	>	} catch (NullPointerException success) {
1871	>	} finally {
1872	>	joinPool(e);
1873	>	}
1874	>	}
1875	>
1876	>	/**
1877	>	* get of element of invokeAll(c) throws exception on failed task
1878	>	*/
1879	>	public void testTimedInvokeAll4() throws Exception {
1880	>	ExecutorService e =
1881	>	new ThreadPoolExecutor(2, 2,
1882	>	LONG_DELAY_MS, MILLISECONDS,
1883	>	new ArrayBlockingQueue<Runnable>(10));
1884	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1885	>	l.add(new NPETask());
1886	>	List<Future<String>> futures =
1887	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1888	>	assertEquals(1, futures.size());
1889	>	try {
1890	>	futures.get(0).get();
1891	>	shouldThrow();
1892	>	} catch (ExecutionException success) {
1893	>	assertTrue(success.getCause() instanceof NullPointerException);
1894	>	} finally {
1895	>	joinPool(e);
1896	>	}
1897	>	}
1898	>
1899	>	/**
1900	>	* timed invokeAll(c) returns results of all completed tasks
1901	>	*/
1902	>	public void testTimedInvokeAll5() throws Exception {
1903	>	ExecutorService e =
1904	>	new ThreadPoolExecutor(2, 2,
1905	>	LONG_DELAY_MS, MILLISECONDS,
1906	>	new ArrayBlockingQueue<Runnable>(10));
1907	>	try {
1908	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1909	>	l.add(new StringTask());
1910	>	l.add(new StringTask());
1911	>	List<Future<String>> futures =
1912	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1913	>	assertEquals(2, futures.size());
1914	>	for (Future<String> future : futures)
1915	>	assertSame(TEST_STRING, future.get());
1916	>	} finally {
1917	>	joinPool(e);
1918	>	}
1919	>	}
1920	>
1921	>	/**
1922	>	* timed invokeAll(c) cancels tasks not completed by timeout
1923	>	*/
1924	>	public void testTimedInvokeAll6() throws Exception {
1925	>	ExecutorService e =
1926	>	new ThreadPoolExecutor(2, 2,
1927	>	LONG_DELAY_MS, MILLISECONDS,
1928	>	new ArrayBlockingQueue<Runnable>(10));
1929	>	try {
1930	>	for (long timeout = timeoutMillis();;) {
1931	>	List<Callable<String>> tasks = new ArrayList<>();
1932	>	tasks.add(new StringTask("0"));
1933	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1934	>	tasks.add(new StringTask("2"));
1935	>	long startTime = System.nanoTime();
1936	>	List<Future<String>> futures =
1937	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1938	>	assertEquals(tasks.size(), futures.size());
1939	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1940	>	for (Future future : futures)
1941	>	assertTrue(future.isDone());
1942	>	assertTrue(futures.get(1).isCancelled());
1943	>	try {
1944	>	assertEquals("0", futures.get(0).get());
1945	>	assertEquals("2", futures.get(2).get());
1946	>	break;
1947	>	} catch (CancellationException retryWithLongerTimeout) {
1948	>	timeout *= 2;
1949	>	if (timeout >= LONG_DELAY_MS / 2)
1950	>	fail("expected exactly one task to be cancelled");
1951	>	}
1952	>	}
1953	>	} finally {
1954	>	joinPool(e);
1955	>	}
1956	>	}
1957	>
1958	>	/**
1959	>	* Execution continues if there is at least one thread even if
1960	>	* thread factory fails to create more
1961	>	*/
1962	>	public void testFailingThreadFactory() throws InterruptedException {
1963	>	final ExecutorService e =
1964	>	new ThreadPoolExecutor(100, 100,
1965	>	LONG_DELAY_MS, MILLISECONDS,
1966	>	new LinkedBlockingQueue<Runnable>(),
1967	>	new FailingThreadFactory());
1968	>	try {
1969	>	final int TASKS = 100;
1970	>	final CountDownLatch done = new CountDownLatch(TASKS);
1971	>	for (int k = 0; k < TASKS; ++k)
1972	>	e.execute(new CheckedRunnable() {
1973	>	public void realRun() {
1974	>	done.countDown();
1975	>	}});
1976	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1977	>	} finally {
1978	>	joinPool(e);
1979	>	}
1980	>	}
1981	>
1982	>	/**
1983	>	* allowsCoreThreadTimeOut is by default false.
1984	>	*/
1985	>	public void testAllowsCoreThreadTimeOut() {
1986	>	final ThreadPoolExecutor p =
1987	>	new ThreadPoolExecutor(2, 2,
1988	>	1000, MILLISECONDS,
1989	>	new ArrayBlockingQueue<Runnable>(10));
1990	>	assertFalse(p.allowsCoreThreadTimeOut());
1991	>	joinPool(p);
1992	>	}
1993	>
1994	>	/**
1995	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1996	>	*/
1997	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1998	>	long keepAliveTime = timeoutMillis();
1999	>	final ThreadPoolExecutor p =
2000	>	new ThreadPoolExecutor(2, 10,
2001	>	keepAliveTime, MILLISECONDS,
2002	>	new ArrayBlockingQueue<Runnable>(10));
2003	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2004	>	try {
2005	>	p.allowCoreThreadTimeOut(true);
2006	>	p.execute(new CheckedRunnable() {
2007	>	public void realRun() {
2008	>	threadStarted.countDown();
2009	>	assertEquals(1, p.getPoolSize());
2010	>	}});
2011	>	await(threadStarted);
2012	>	delay(keepAliveTime);
2013	>	long startTime = System.nanoTime();
2014	>	while (p.getPoolSize() > 0
2015	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2016	>	Thread.yield();
2017	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2018	>	assertEquals(0, p.getPoolSize());
2019	>	} finally {
2020	>	joinPool(p);
2021	>	}
2022	>	}
2023	>
2024	>	/**
2025	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2026	>	*/
2027	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2028	>	long keepAliveTime = timeoutMillis();
2029	>	final ThreadPoolExecutor p =
2030	>	new ThreadPoolExecutor(2, 10,
2031	>	keepAliveTime, MILLISECONDS,
2032	>	new ArrayBlockingQueue<Runnable>(10));
2033	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2034	>	try {
2035	>	p.allowCoreThreadTimeOut(false);
2036	>	p.execute(new CheckedRunnable() {
2037	>	public void realRun() throws InterruptedException {
2038	>	threadStarted.countDown();
2039	>	assertTrue(p.getPoolSize() >= 1);
2040	>	}});
2041	>	delay(2 * keepAliveTime);
2042	>	assertTrue(p.getPoolSize() >= 1);
2043	>	} finally {
2044	>	joinPool(p);
2045	>	}
2046	>	}
2047	>
2048	>	/**
2049	>	* execute allows the same task to be submitted multiple times, even
2050	>	* if rejected
2051	>	*/
2052	>	public void testRejectedRecycledTask() throws InterruptedException {
2053	>	final int nTasks = 1000;
2054	>	final CountDownLatch done = new CountDownLatch(nTasks);
2055	>	final Runnable recycledTask = new Runnable() {
2056	>	public void run() {
2057	>	done.countDown();
2058	>	}};
2059	>	final ThreadPoolExecutor p =
2060	>	new ThreadPoolExecutor(1, 30,
2061	>	60, SECONDS,
2062	>	new ArrayBlockingQueue(30));
2063	>	try {
2064	>	for (int i = 0; i < nTasks; ++i) {
2065	>	for (;;) {
2066	>	try {
2067	>	p.execute(recycledTask);
2068	>	break;
2069	>	}
2070	>	catch (RejectedExecutionException ignore) {}
2071	>	}
2072	>	}
2073	>	// enough time to run all tasks
2074	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2075	>	} finally {
2076	>	joinPool(p);
2077	>	}
2078	>	}
2079	>
2080	>	/**
2081	>	* get(cancelled task) throws CancellationException
2082	>	*/
2083	>	public void testGet_cancelled() throws Exception {
2084	>	final ExecutorService e =
2085	>	new ThreadPoolExecutor(1, 1,
2086	>	LONG_DELAY_MS, MILLISECONDS,
2087	>	new LinkedBlockingQueue<Runnable>());
2088	>	try {
2089	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2090	>	final CountDownLatch done = new CountDownLatch(1);
2091	>	final List<Future<?>> futures = new ArrayList<>();
2092	>	for (int i = 0; i < 2; i++) {
2093	>	Runnable r = new CheckedRunnable() { public void realRun()
2094	>	throws Throwable {
2095	>	blockerStarted.countDown();
2096	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2097	>	}};
2098	>	futures.add(e.submit(r));
2099	>	}
2100	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2101	>	for (Future<?> future : futures) future.cancel(false);
2102	>	for (Future<?> future : futures) {
2103	>	try {
2104	>	future.get();
2105	>	shouldThrow();
2106	>	} catch (CancellationException success) {}
2107	>	try {
2108	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2109	>	shouldThrow();
2110	>	} catch (CancellationException success) {}
2111	>	assertTrue(future.isCancelled());
2112	>	assertTrue(future.isDone());
2113	>	}
2114	>	done.countDown();
2115	>	} finally {
2116	>	joinPool(e);
2117	>	}
2118	>	}
2119	>
2120		}

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