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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 1.73 by jsr166, Sun Oct 4 01:56:51 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 handler = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	handler);
295	>	try (PoolCleaner cleaner = cleaner(p)) {
296	>	assertSame(handler, p.getRejectedExecutionHandler());
297	>	}
298	>	}
299	>
300	>	/**
301	>	* setRejectedExecutionHandler sets the handler returned by
302	>	* getRejectedExecutionHandler
303	>	*/
304	>	public void testSetRejectedExecutionHandler() {
305	>	final ThreadPoolExecutor p =
306	>	new ThreadPoolExecutor(1, 2,
307	>	LONG_DELAY_MS, MILLISECONDS,
308	>	new ArrayBlockingQueue<Runnable>(10));
309	>	RejectedExecutionHandler h = new NoOpREHandler();
310	>	p.setRejectedExecutionHandler(h);
311	>	assertSame(h, p.getRejectedExecutionHandler());
312	>	joinPool(p);
313	>	}
314	>
315	>	/**
316	>	* setRejectedExecutionHandler(null) throws NPE
317	>	*/
318	>	public void testSetRejectedExecutionHandlerNull() {
319	>	final ThreadPoolExecutor p =
320	>	new ThreadPoolExecutor(1, 2,
321	>	LONG_DELAY_MS, MILLISECONDS,
322	>	new ArrayBlockingQueue<Runnable>(10));
323		try {
324	<	assertEquals(0, two.getLargestPoolSize());
325	<	two.execute(new MediumRunnable());
326	<	two.execute(new MediumRunnable());
327	<	Thread.sleep(SHORT_DELAY_MS);
328	<	assertEquals(2, two.getLargestPoolSize());
329	<	} catch(Exception e){
121	<	fail("unexpected exception");
122	<	}
123	<	joinPool(two);
324	>	p.setRejectedExecutionHandler(null);
325	>	shouldThrow();
326	>	} catch (NullPointerException success) {
327	>	} finally {
328	>	joinPool(p);
329	>	}
330		}
331	<
331	>
332		/**
333	<	*   getMaximumPoolSize gives correct values
333	>	* getLargestPoolSize increases, but doesn't overestimate, when
334	>	* multiple threads active
335		*/
336	<	public void testGetMaximumPoolSize(){
337	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
338	<	assertEquals(2, two.getMaximumPoolSize());
339	<	joinPool(two);
336	>	public void testGetLargestPoolSize() throws InterruptedException {
337	>	final int THREADS = 3;
338	>	final ThreadPoolExecutor p =
339	>	new ThreadPoolExecutor(THREADS, THREADS,
340	>	LONG_DELAY_MS, MILLISECONDS,
341	>	new ArrayBlockingQueue<Runnable>(10));
342	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
343	>	final CountDownLatch done = new CountDownLatch(1);
344	>	try {
345	>	assertEquals(0, p.getLargestPoolSize());
346	>	for (int i = 0; i < THREADS; i++)
347	>	p.execute(new CheckedRunnable() {
348	>	public void realRun() throws InterruptedException {
349	>	threadsStarted.countDown();
350	>	done.await();
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}});
353	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
354	>	assertEquals(THREADS, p.getLargestPoolSize());
355	>	} finally {
356	>	done.countDown();
357	>	joinPool(p);
358	>	assertEquals(THREADS, p.getLargestPoolSize());
359	>	}
360		}
361	<
361	>
362		/**
363	<	*   getPoolSize gives correct values
363	>	* getMaximumPoolSize returns value given in constructor if not
364	>	* otherwise set
365		*/
366	<	public void testGetPoolSize(){
367	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
368	<	assertEquals(0, one.getPoolSize());
369	<	one.execute(new MediumRunnable());
370	<	assertEquals(1, one.getPoolSize());
371	<	joinPool(one);
366	>	public void testGetMaximumPoolSize() {
367	>	final ThreadPoolExecutor p =
368	>	new ThreadPoolExecutor(2, 3,
369	>	LONG_DELAY_MS, MILLISECONDS,
370	>	new ArrayBlockingQueue<Runnable>(10));
371	>	assertEquals(3, p.getMaximumPoolSize());
372	>	joinPool(p);
373		}
374	<
374	>
375		/**
376	<	*   getTaskCount gives correct values
376	>	* getPoolSize increases, but doesn't overestimate, when threads
377	>	* become active
378		*/
379	<	public void testGetTaskCount(){
380	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
379	>	public void testGetPoolSize() throws InterruptedException {
380	>	final ThreadPoolExecutor p =
381	>	new ThreadPoolExecutor(1, 1,
382	>	LONG_DELAY_MS, MILLISECONDS,
383	>	new ArrayBlockingQueue<Runnable>(10));
384	>	final CountDownLatch threadStarted = new CountDownLatch(1);
385	>	final CountDownLatch done = new CountDownLatch(1);
386		try {
387	<	assertEquals(0, one.getTaskCount());
388	<	for(int i = 0; i < 5; i++)
389	<	one.execute(new MediumRunnable());
390	<	Thread.sleep(SHORT_DELAY_MS);
391	<	assertEquals(5, one.getTaskCount());
392	<	} catch(Exception e){
393	<	fail("unexpected exception");
394	<	}
395	<	joinPool(one);
387	>	assertEquals(0, p.getPoolSize());
388	>	p.execute(new CheckedRunnable() {
389	>	public void realRun() throws InterruptedException {
390	>	threadStarted.countDown();
391	>	assertEquals(1, p.getPoolSize());
392	>	done.await();
393	>	}});
394	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
395	>	assertEquals(1, p.getPoolSize());
396	>	} finally {
397	>	done.countDown();
398	>	joinPool(p);
399	>	}
400		}
401	<
401	>
402		/**
403	<	*   isShutDown gives correct values
403	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
404		*/
405	<	public void testIsShutdown(){
406	<
407	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
408	<	assertFalse(one.isShutdown());
409	<	one.shutdown();
410	<	assertTrue(one.isShutdown());
411	<	joinPool(one);
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p =
407	>	new ThreadPoolExecutor(1, 1,
408	>	LONG_DELAY_MS, MILLISECONDS,
409	>	new ArrayBlockingQueue<Runnable>(10));
410	>	final CountDownLatch threadStarted = new CountDownLatch(1);
411	>	final CountDownLatch done = new CountDownLatch(1);
412	>	try {
413	>	assertEquals(0, p.getTaskCount());
414	>	p.execute(new CheckedRunnable() {
415	>	public void realRun() throws InterruptedException {
416	>	threadStarted.countDown();
417	>	assertEquals(1, p.getTaskCount());
418	>	done.await();
419	>	}});
420	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
421	>	assertEquals(1, p.getTaskCount());
422	>	} finally {
423	>	done.countDown();
424	>	joinPool(p);
425	>	}
426		}
427
175	–
428		/**
429	<	*   isTerminated gives correct values
178	<	*  Makes sure termination does not take an innapropriate
179	<	*  amount of time
429	>	* isShutdown is false before shutdown, true after
430		*/
431	<	public void testIsTerminated(){
432	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
431	>	public void testIsShutdown() {
432	>	final ThreadPoolExecutor p =
433	>	new ThreadPoolExecutor(1, 1,
434	>	LONG_DELAY_MS, MILLISECONDS,
435	>	new ArrayBlockingQueue<Runnable>(10));
436	>	assertFalse(p.isShutdown());
437	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
438	>	assertTrue(p.isShutdown());
439	>	joinPool(p);
440	>	}
441	>
442	>	/**
443	>	* awaitTermination on a non-shutdown pool times out
444	>	*/
445	>	public void testAwaitTermination_timesOut() throws InterruptedException {
446	>	final ThreadPoolExecutor p =
447	>	new ThreadPoolExecutor(1, 1,
448	>	LONG_DELAY_MS, MILLISECONDS,
449	>	new ArrayBlockingQueue<Runnable>(10));
450	>	assertFalse(p.isTerminated());
451	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
452	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
453	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
454	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
455	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
456	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
457	>	long timeoutNanos = 999999L;
458	>	long startTime = System.nanoTime();
459	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
460	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
461	>	assertFalse(p.isTerminated());
462	>	startTime = System.nanoTime();
463	>	long timeoutMillis = timeoutMillis();
464	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
465	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
466	>	assertFalse(p.isTerminated());
467	>	p.shutdown();
468	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
469	>	assertTrue(p.isTerminated());
470	>	}
471	>
472	>	/**
473	>	* isTerminated is false before termination, true after
474	>	*/
475	>	public void testIsTerminated() throws InterruptedException {
476	>	final ThreadPoolExecutor p =
477	>	new ThreadPoolExecutor(1, 1,
478	>	LONG_DELAY_MS, MILLISECONDS,
479	>	new ArrayBlockingQueue<Runnable>(10));
480	>	final CountDownLatch threadStarted = new CountDownLatch(1);
481	>	final CountDownLatch done = new CountDownLatch(1);
482	>	assertFalse(p.isTerminated());
483		try {
484	<	one.execute(new MediumRunnable());
484	>	p.execute(new CheckedRunnable() {
485	>	public void realRun() throws InterruptedException {
486	>	assertFalse(p.isTerminated());
487	>	threadStarted.countDown();
488	>	done.await();
489	>	}});
490	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
491	>	assertFalse(p.isTerminating());
492	>	done.countDown();
493		} finally {
494	<	one.shutdown();
494	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
495		}
496	<	try {
497	<	assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190	<	assertTrue(one.isTerminated());
191	<	} catch(Exception e){
192	<	fail("unexpected exception");
193	<	}
496	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
497	>	assertTrue(p.isTerminated());
498		}
499
500		/**
501	<	*   purge correctly removes cancelled tasks
198	<	*  from the queue
501	>	* isTerminating is not true when running or when terminated
502		*/
503	<	public void testPurge(){
504	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
505	<	CancellableTask[] tasks = new CancellableTask[5];
506	<	for(int i = 0; i < 5; i++){
507	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
508	<	one.execute(tasks[i]);
503	>	public void testIsTerminating() throws InterruptedException {
504	>	final ThreadPoolExecutor p =
505	>	new ThreadPoolExecutor(1, 1,
506	>	LONG_DELAY_MS, MILLISECONDS,
507	>	new ArrayBlockingQueue<Runnable>(10));
508	>	final CountDownLatch threadStarted = new CountDownLatch(1);
509	>	final CountDownLatch done = new CountDownLatch(1);
510	>	try {
511	>	assertFalse(p.isTerminating());
512	>	p.execute(new CheckedRunnable() {
513	>	public void realRun() throws InterruptedException {
514	>	assertFalse(p.isTerminating());
515	>	threadStarted.countDown();
516	>	done.await();
517	>	}});
518	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
519	>	assertFalse(p.isTerminating());
520	>	done.countDown();
521	>	} finally {
522	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
523		}
524	<	tasks[4].cancel(true);
525	<	tasks[3].cancel(true);
526	<	one.purge();
210	<	long count = one.getTaskCount();
211	<	assertTrue(count >= 2 && count < 5);
212	<	joinPool(one);
524	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
525	>	assertTrue(p.isTerminated());
526	>	assertFalse(p.isTerminating());
527		}
528
529		/**
530	<	*   shutDownNow returns a list
217	<	*  containing the correct number of elements
530	>	* getQueue returns the work queue, which contains queued tasks
531		*/
532	<	public void testShutDownNow(){
533	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
534	<	List l;
532	>	public void testGetQueue() throws InterruptedException {
533	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
534	>	final ThreadPoolExecutor p =
535	>	new ThreadPoolExecutor(1, 1,
536	>	LONG_DELAY_MS, MILLISECONDS,
537	>	q);
538	>	final CountDownLatch threadStarted = new CountDownLatch(1);
539	>	final CountDownLatch done = new CountDownLatch(1);
540		try {
541	<	for(int i = 0; i < 5; i++)
542	<	one.execute(new MediumPossiblyInterruptedRunnable());
541	>	FutureTask[] tasks = new FutureTask[5];
542	>	for (int i = 0; i < tasks.length; i++) {
543	>	Callable task = new CheckedCallable<Boolean>() {
544	>	public Boolean realCall() throws InterruptedException {
545	>	threadStarted.countDown();
546	>	assertSame(q, p.getQueue());
547	>	done.await();
548	>	return Boolean.TRUE;
549	>	}};
550	>	tasks[i] = new FutureTask(task);
551	>	p.execute(tasks[i]);
552	>	}
553	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
554	>	assertSame(q, p.getQueue());
555	>	assertFalse(q.contains(tasks[0]));
556	>	assertTrue(q.contains(tasks[tasks.length - 1]));
557	>	assertEquals(tasks.length - 1, q.size());
558	>	} finally {
559	>	done.countDown();
560	>	joinPool(p);
561		}
562	<	finally {
563	<	l = one.shutdownNow();
562	>	}
563	>
564	>	/**
565	>	* remove(task) removes queued task, and fails to remove active task
566	>	*/
567	>	public void testRemove() throws InterruptedException {
568	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
569	>	final ThreadPoolExecutor p =
570	>	new ThreadPoolExecutor(1, 1,
571	>	LONG_DELAY_MS, MILLISECONDS,
572	>	q);
573	>	Runnable[] tasks = new Runnable[5];
574	>	final CountDownLatch threadStarted = new CountDownLatch(1);
575	>	final CountDownLatch done = new CountDownLatch(1);
576	>	try {
577	>	for (int i = 0; i < tasks.length; i++) {
578	>	tasks[i] = new CheckedRunnable() {
579	>	public void realRun() throws InterruptedException {
580	>	threadStarted.countDown();
581	>	done.await();
582	>	}};
583	>	p.execute(tasks[i]);
584	>	}
585	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
586	>	assertFalse(p.remove(tasks[0]));
587	>	assertTrue(q.contains(tasks[4]));
588	>	assertTrue(q.contains(tasks[3]));
589	>	assertTrue(p.remove(tasks[4]));
590	>	assertFalse(p.remove(tasks[4]));
591	>	assertFalse(q.contains(tasks[4]));
592	>	assertTrue(q.contains(tasks[3]));
593	>	assertTrue(p.remove(tasks[3]));
594	>	assertFalse(q.contains(tasks[3]));
595	>	} finally {
596	>	done.countDown();
597	>	joinPool(p);
598	>	}
599	>	}
600	>
601	>	/**
602	>	* purge removes cancelled tasks from the queue
603	>	*/
604	>	public void testPurge() throws InterruptedException {
605	>	final CountDownLatch threadStarted = new CountDownLatch(1);
606	>	final CountDownLatch done = new CountDownLatch(1);
607	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
608	>	final ThreadPoolExecutor p =
609	>	new ThreadPoolExecutor(1, 1,
610	>	LONG_DELAY_MS, MILLISECONDS,
611	>	q);
612	>	FutureTask[] tasks = new FutureTask[5];
613	>	try {
614	>	for (int i = 0; i < tasks.length; i++) {
615	>	Callable task = new CheckedCallable<Boolean>() {
616	>	public Boolean realCall() throws InterruptedException {
617	>	threadStarted.countDown();
618	>	done.await();
619	>	return Boolean.TRUE;
620	>	}};
621	>	tasks[i] = new FutureTask(task);
622	>	p.execute(tasks[i]);
623	>	}
624	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
625	>	assertEquals(tasks.length, p.getTaskCount());
626	>	assertEquals(tasks.length - 1, q.size());
627	>	assertEquals(1L, p.getActiveCount());
628	>	assertEquals(0L, p.getCompletedTaskCount());
629	>	tasks[4].cancel(true);
630	>	tasks[3].cancel(false);
631	>	p.purge();
632	>	assertEquals(tasks.length - 3, q.size());
633	>	assertEquals(tasks.length - 2, p.getTaskCount());
634	>	p.purge();         // Nothing to do
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637	>	} finally {
638	>	done.countDown();
639	>	joinPool(p);
640		}
641	<	assertTrue(one.isShutdown());
642	<	assertTrue(l.size() <= 4);
641	>	}
642	>
643	>	/**
644	>	* shutdownNow returns a list containing tasks that were not run,
645	>	* and those tasks are drained from the queue
646	>	*/
647	>	public void testShutdownNow() throws InterruptedException {
648	>	final int poolSize = 2;
649	>	final int count = 5;
650	>	final AtomicInteger ran = new AtomicInteger(0);
651	>	final ThreadPoolExecutor p =
652	>	new ThreadPoolExecutor(poolSize, poolSize,
653	>	LONG_DELAY_MS, MILLISECONDS,
654	>	new ArrayBlockingQueue<Runnable>(10));
655	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
656	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
657	>	threadsStarted.countDown();
658	>	try {
659	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
660	>	} catch (InterruptedException success) {}
661	>	ran.getAndIncrement();
662	>	}};
663	>	for (int i = 0; i < count; i++)
664	>	p.execute(waiter);
665	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
666	>	assertEquals(poolSize, p.getActiveCount());
667	>	assertEquals(0, p.getCompletedTaskCount());
668	>	final List<Runnable> queuedTasks;
669	>	try {
670	>	queuedTasks = p.shutdownNow();
671	>	} catch (SecurityException ok) {
672	>	return; // Allowed in case test doesn't have privs
673	>	}
674	>	assertTrue(p.isShutdown());
675	>	assertTrue(p.getQueue().isEmpty());
676	>	assertEquals(count - poolSize, queuedTasks.size());
677	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
678	>	assertTrue(p.isTerminated());
679	>	assertEquals(poolSize, ran.get());
680	>	assertEquals(poolSize, p.getCompletedTaskCount());
681		}
682
683		// Exception Tests
234	–
684
685	<	/** Throws if corePoolSize argument is less than zero */
685	>	/**
686	>	* Constructor throws if corePoolSize argument is less than zero
687	>	*/
688		public void testConstructor1() {
689	<	try{
690	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
691	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
692	<	}
693	<	catch (IllegalArgumentException success){}
689	>	try {
690	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692	>	shouldThrow();
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	/** Throws if maximumPoolSize is less than zero */
695	>
696	>	/**
697	>	* Constructor throws if maximumPoolSize is less than zero
698	>	*/
699		public void testConstructor2() {
700	<	try{
701	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
702	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
703	<	}
704	<	catch (IllegalArgumentException success){}
700	>	try {
701	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703	>	shouldThrow();
704	>	} catch (IllegalArgumentException success) {}
705		}
706	<
707	<	/** Throws if maximumPoolSize is equal to zero */
706	>
707	>	/**
708	>	* Constructor throws if maximumPoolSize is equal to zero
709	>	*/
710		public void testConstructor3() {
711	<	try{
712	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
713	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
714	<	}
715	<	catch (IllegalArgumentException success){}
711	>	try {
712	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714	>	shouldThrow();
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	/** Throws if keepAliveTime is less than zero */
718	>	/**
719	>	* Constructor throws if keepAliveTime is less than zero
720	>	*/
721		public void testConstructor4() {
722	<	try{
723	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
724	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
725	<	}
726	<	catch (IllegalArgumentException success){}
722	>	try {
723	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725	>	shouldThrow();
726	>	} catch (IllegalArgumentException success) {}
727		}
728
729	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
729	>	/**
730	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
731	>	*/
732		public void testConstructor5() {
733	<	try{
734	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
735	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
736	<	}
737	<	catch (IllegalArgumentException success){}
733	>	try {
734	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
735	>	new ArrayBlockingQueue<Runnable>(10));
736	>	shouldThrow();
737	>	} catch (IllegalArgumentException success) {}
738		}
739	<
740	<	/** Throws if workQueue is set to null */
741	<	public void testNullPointerException() {
742	<	try{
743	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
744	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
745	<	}
746	<	catch (NullPointerException success){}
739	>
740	>	/**
741	>	* Constructor throws if workQueue is set to null
742	>	*/
743	>	public void testConstructorNullPointerException() {
744	>	try {
745	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
746	>	(BlockingQueue) null);
747	>	shouldThrow();
748	>	} catch (NullPointerException success) {}
749		}
289	–
750
751	<
752	<	/** Throws if corePoolSize argument is less than zero */
751	>	/**
752	>	* Constructor throws if corePoolSize argument is less than zero
753	>	*/
754		public void testConstructor6() {
755	<	try{
756	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
758	<	} catch (IllegalArgumentException success){}
755	>	try {
756	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
757	>	new ArrayBlockingQueue<Runnable>(10),
758	>	new SimpleThreadFactory());
759	>	shouldThrow();
760	>	} catch (IllegalArgumentException success) {}
761		}
762	<
763	<	/** Throws if maximumPoolSize is less than zero */
762	>
763	>	/**
764	>	* Constructor throws if maximumPoolSize is less than zero
765	>	*/
766		public void testConstructor7() {
767	<	try{
768	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
770	<	}
771	<	catch (IllegalArgumentException success){}
767	>	try {
768	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
769	>	new ArrayBlockingQueue<Runnable>(10),
770	>	new SimpleThreadFactory());
771	>	shouldThrow();
772	>	} catch (IllegalArgumentException success) {}
773		}
774
775	<	/** Throws if maximumPoolSize is equal to zero */
775	>	/**
776	>	* Constructor throws if maximumPoolSize is equal to zero
777	>	*/
778		public void testConstructor8() {
779	<	try{
780	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
781	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
782	<	}
783	<	catch (IllegalArgumentException success){}
779	>	try {
780	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
781	>	new ArrayBlockingQueue<Runnable>(10),
782	>	new SimpleThreadFactory());
783	>	shouldThrow();
784	>	} catch (IllegalArgumentException success) {}
785		}
786
787	<	/** Throws if keepAliveTime is less than zero */
787	>	/**
788	>	* Constructor throws if keepAliveTime is less than zero
789	>	*/
790		public void testConstructor9() {
791	<	try{
792	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
793	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
794	<	}
795	<	catch (IllegalArgumentException success){}
791	>	try {
792	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
793	>	new ArrayBlockingQueue<Runnable>(10),
794	>	new SimpleThreadFactory());
795	>	shouldThrow();
796	>	} catch (IllegalArgumentException success) {}
797		}
798
799	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
799	>	/**
800	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
801	>	*/
802		public void testConstructor10() {
803	<	try{
804	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
805	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
803	>	try {
804	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
805	>	new ArrayBlockingQueue<Runnable>(10),
806	>	new SimpleThreadFactory());
807	>	shouldThrow();
808	>	} catch (IllegalArgumentException success) {}
809	>	}
810	>
811	>	/**
812	>	* Constructor throws if workQueue is set to null
813	>	*/
814	>	public void testConstructorNullPointerException2() {
815	>	try {
816	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
817	>	(BlockingQueue) null,
818	>	new SimpleThreadFactory());
819	>	shouldThrow();
820	>	} catch (NullPointerException success) {}
821	>	}
822	>
823	>	/**
824	>	* Constructor throws if threadFactory is set to null
825	>	*/
826	>	public void testConstructorNullPointerException3() {
827	>	try {
828	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
829	>	new ArrayBlockingQueue<Runnable>(10),
830	>	(ThreadFactory) null);
831	>	shouldThrow();
832	>	} catch (NullPointerException success) {}
833	>	}
834	>
835	>	/**
836	>	* Constructor throws if corePoolSize argument is less than zero
837	>	*/
838	>	public void testConstructor11() {
839	>	try {
840	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
841	>	new ArrayBlockingQueue<Runnable>(10),
842	>	new NoOpREHandler());
843	>	shouldThrow();
844	>	} catch (IllegalArgumentException success) {}
845	>	}
846	>
847	>	/**
848	>	* Constructor throws if maximumPoolSize is less than zero
849	>	*/
850	>	public void testConstructor12() {
851	>	try {
852	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
853	>	new ArrayBlockingQueue<Runnable>(10),
854	>	new NoOpREHandler());
855	>	shouldThrow();
856	>	} catch (IllegalArgumentException success) {}
857	>	}
858	>
859	>	/**
860	>	* Constructor throws if maximumPoolSize is equal to zero
861	>	*/
862	>	public void testConstructor13() {
863	>	try {
864	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
865	>	new ArrayBlockingQueue<Runnable>(10),
866	>	new NoOpREHandler());
867	>	shouldThrow();
868	>	} catch (IllegalArgumentException success) {}
869	>	}
870	>
871	>	/**
872	>	* Constructor throws if keepAliveTime is less than zero
873	>	*/
874	>	public void testConstructor14() {
875	>	try {
876	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
877	>	new ArrayBlockingQueue<Runnable>(10),
878	>	new NoOpREHandler());
879	>	shouldThrow();
880	>	} catch (IllegalArgumentException success) {}
881	>	}
882	>
883	>	/**
884	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
885	>	*/
886	>	public void testConstructor15() {
887	>	try {
888	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
889	>	new ArrayBlockingQueue<Runnable>(10),
890	>	new NoOpREHandler());
891	>	shouldThrow();
892	>	} catch (IllegalArgumentException success) {}
893	>	}
894	>
895	>	/**
896	>	* Constructor throws if workQueue is set to null
897	>	*/
898	>	public void testConstructorNullPointerException4() {
899	>	try {
900	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
901	>	(BlockingQueue) null,
902	>	new NoOpREHandler());
903	>	shouldThrow();
904	>	} catch (NullPointerException success) {}
905	>	}
906	>
907	>	/**
908	>	* Constructor throws if handler is set to null
909	>	*/
910	>	public void testConstructorNullPointerException5() {
911	>	try {
912	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
913	>	new ArrayBlockingQueue<Runnable>(10),
914	>	(RejectedExecutionHandler) null);
915	>	shouldThrow();
916	>	} catch (NullPointerException success) {}
917	>	}
918	>
919	>	/**
920	>	* Constructor throws if corePoolSize argument is less than zero
921	>	*/
922	>	public void testConstructor16() {
923	>	try {
924	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
925	>	new ArrayBlockingQueue<Runnable>(10),
926	>	new SimpleThreadFactory(),
927	>	new NoOpREHandler());
928	>	shouldThrow();
929	>	} catch (IllegalArgumentException success) {}
930	>	}
931	>
932	>	/**
933	>	* Constructor throws if maximumPoolSize is less than zero
934	>	*/
935	>	public void testConstructor17() {
936	>	try {
937	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
938	>	new ArrayBlockingQueue<Runnable>(10),
939	>	new SimpleThreadFactory(),
940	>	new NoOpREHandler());
941	>	shouldThrow();
942	>	} catch (IllegalArgumentException success) {}
943	>	}
944	>
945	>	/**
946	>	* Constructor throws if maximumPoolSize is equal to zero
947	>	*/
948	>	public void testConstructor18() {
949	>	try {
950	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
951	>	new ArrayBlockingQueue<Runnable>(10),
952	>	new SimpleThreadFactory(),
953	>	new NoOpREHandler());
954	>	shouldThrow();
955	>	} catch (IllegalArgumentException success) {}
956	>	}
957	>
958	>	/**
959	>	* Constructor throws if keepAliveTime is less than zero
960	>	*/
961	>	public void testConstructor19() {
962	>	try {
963	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
964	>	new ArrayBlockingQueue<Runnable>(10),
965	>	new SimpleThreadFactory(),
966	>	new NoOpREHandler());
967	>	shouldThrow();
968	>	} catch (IllegalArgumentException success) {}
969	>	}
970	>
971	>	/**
972	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
973	>	*/
974	>	public void testConstructor20() {
975	>	try {
976	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
977	>	new ArrayBlockingQueue<Runnable>(10),
978	>	new SimpleThreadFactory(),
979	>	new NoOpREHandler());
980	>	shouldThrow();
981	>	} catch (IllegalArgumentException success) {}
982	>	}
983	>
984	>	/**
985	>	* Constructor throws if workQueue is null
986	>	*/
987	>	public void testConstructorNullPointerException6() {
988	>	try {
989	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
990	>	(BlockingQueue) null,
991	>	new SimpleThreadFactory(),
992	>	new NoOpREHandler());
993	>	shouldThrow();
994	>	} catch (NullPointerException success) {}
995	>	}
996	>
997	>	/**
998	>	* Constructor throws if handler is null
999	>	*/
1000	>	public void testConstructorNullPointerException7() {
1001	>	try {
1002	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1003	>	new ArrayBlockingQueue<Runnable>(10),
1004	>	new SimpleThreadFactory(),
1005	>	(RejectedExecutionHandler) null);
1006	>	shouldThrow();
1007	>	} catch (NullPointerException success) {}
1008	>	}
1009	>
1010	>	/**
1011	>	* Constructor throws if ThreadFactory is null
1012	>	*/
1013	>	public void testConstructorNullPointerException8() {
1014	>	try {
1015	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1016	>	new ArrayBlockingQueue<Runnable>(10),
1017	>	(ThreadFactory) null,
1018	>	new NoOpREHandler());
1019	>	shouldThrow();
1020	>	} catch (NullPointerException success) {}
1021	>	}
1022	>
1023	>	/**
1024	>	* get of submitted callable throws InterruptedException if interrupted
1025	>	*/
1026	>	public void testInterruptedSubmit() throws InterruptedException {
1027	>	final ThreadPoolExecutor p =
1028	>	new ThreadPoolExecutor(1, 1,
1029	>	60, SECONDS,
1030	>	new ArrayBlockingQueue<Runnable>(10));
1031	>
1032	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1033	>	final CountDownLatch done = new CountDownLatch(1);
1034	>	try {
1035	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1036	>	public void realRun() throws Exception {
1037	>	Callable task = new CheckedCallable<Boolean>() {
1038	>	public Boolean realCall() throws InterruptedException {
1039	>	threadStarted.countDown();
1040	>	done.await();
1041	>	return Boolean.TRUE;
1042	>	}};
1043	>	p.submit(task).get();
1044	>	}});
1045	>
1046	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1047	>	t.interrupt();
1048	>	awaitTermination(t, MEDIUM_DELAY_MS);
1049	>	} finally {
1050	>	done.countDown();
1051	>	joinPool(p);
1052		}
333	–	catch (IllegalArgumentException success){}
1053		}
1054
1055	<	/** Throws if workQueue is set to null */
1056	<	public void testNullPointerException2() {
1057	<	try{
1058	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1059	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1055	>	/**
1056	>	* execute throws RejectedExecutionException if saturated.
1057	>	*/
1058	>	public void testSaturatedExecute() {
1059	>	ThreadPoolExecutor p =
1060	>	new ThreadPoolExecutor(1, 1,
1061	>	LONG_DELAY_MS, MILLISECONDS,
1062	>	new ArrayBlockingQueue<Runnable>(1));
1063	>	final CountDownLatch done = new CountDownLatch(1);
1064	>	try {
1065	>	Runnable task = new CheckedRunnable() {
1066	>	public void realRun() throws InterruptedException {
1067	>	done.await();
1068	>	}};
1069	>	for (int i = 0; i < 2; ++i)
1070	>	p.execute(task);
1071	>	for (int i = 0; i < 2; ++i) {
1072	>	try {
1073	>	p.execute(task);
1074	>	shouldThrow();
1075	>	} catch (RejectedExecutionException success) {}
1076	>	assertTrue(p.getTaskCount() <= 2);
1077	>	}
1078	>	} finally {
1079	>	done.countDown();
1080	>	joinPool(p);
1081		}
342	–	catch (NullPointerException success){}
1082		}
1083
1084	<	/** Throws if threadFactory is set to null */
1085	<	public void testNullPointerException3() {
1086	<	try{
1087	<	ThreadFactory f = null;
1088	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1089	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1084	>	/**
1085	>	* submit(runnable) throws RejectedExecutionException if saturated.
1086	>	*/
1087	>	public void testSaturatedSubmitRunnable() {
1088	>	ThreadPoolExecutor p =
1089	>	new ThreadPoolExecutor(1, 1,
1090	>	LONG_DELAY_MS, MILLISECONDS,
1091	>	new ArrayBlockingQueue<Runnable>(1));
1092	>	final CountDownLatch done = new CountDownLatch(1);
1093	>	try {
1094	>	Runnable task = new CheckedRunnable() {
1095	>	public void realRun() throws InterruptedException {
1096	>	done.await();
1097	>	}};
1098	>	for (int i = 0; i < 2; ++i)
1099	>	p.submit(task);
1100	>	for (int i = 0; i < 2; ++i) {
1101	>	try {
1102	>	p.execute(task);
1103	>	shouldThrow();
1104	>	} catch (RejectedExecutionException success) {}
1105	>	assertTrue(p.getTaskCount() <= 2);
1106	>	}
1107	>	} finally {
1108	>	done.countDown();
1109	>	joinPool(p);
1110		}
352	–	catch (NullPointerException success){}
1111		}
1112	<
1113	<
1114	<	/** Throws if corePoolSize argument is less than zero */
1115	<	public void testConstructor11() {
1116	<	try{
1117	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1118	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1112	>
1113	>	/**
1114	>	* submit(callable) throws RejectedExecutionException if saturated.
1115	>	*/
1116	>	public void testSaturatedSubmitCallable() {
1117	>	ThreadPoolExecutor p =
1118	>	new ThreadPoolExecutor(1, 1,
1119	>	LONG_DELAY_MS, MILLISECONDS,
1120	>	new ArrayBlockingQueue<Runnable>(1));
1121	>	final CountDownLatch done = new CountDownLatch(1);
1122	>	try {
1123	>	Runnable task = new CheckedRunnable() {
1124	>	public void realRun() throws InterruptedException {
1125	>	done.await();
1126	>	}};
1127	>	for (int i = 0; i < 2; ++i)
1128	>	p.submit(Executors.callable(task));
1129	>	for (int i = 0; i < 2; ++i) {
1130	>	try {
1131	>	p.execute(task);
1132	>	shouldThrow();
1133	>	} catch (RejectedExecutionException success) {}
1134	>	assertTrue(p.getTaskCount() <= 2);
1135	>	}
1136	>	} finally {
1137	>	done.countDown();
1138	>	joinPool(p);
1139		}
362	–	catch (IllegalArgumentException success){}
1140		}
1141
1142	<	/** Throws if maximumPoolSize is less than zero */
1143	<	public void testConstructor12() {
1144	<	try{
1145	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1146	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1142	>	/**
1143	>	* executor using CallerRunsPolicy runs task if saturated.
1144	>	*/
1145	>	public void testSaturatedExecute2() {
1146	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1147	>	final ThreadPoolExecutor p =
1148	>	new ThreadPoolExecutor(1, 1,
1149	>	LONG_DELAY_MS,
1150	>	MILLISECONDS,
1151	>	new ArrayBlockingQueue<Runnable>(1),
1152	>	h);
1153	>	try {
1154	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1155	>	for (int i = 0; i < tasks.length; ++i)
1156	>	tasks[i] = new TrackedNoOpRunnable();
1157	>	TrackedLongRunnable mr = new TrackedLongRunnable();
1158	>	p.execute(mr);
1159	>	for (int i = 0; i < tasks.length; ++i)
1160	>	p.execute(tasks[i]);
1161	>	for (int i = 1; i < tasks.length; ++i)
1162	>	assertTrue(tasks[i].done);
1163	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1164	>	} finally {
1165	>	joinPool(p);
1166		}
371	–	catch (IllegalArgumentException success){}
1167		}
1168
1169	<	/** Throws if maximumPoolSize is equal to zero */
1170	<	public void testConstructor13() {
1171	<	try{
1172	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1173	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1169	>	/**
1170	>	* executor using DiscardPolicy drops task if saturated.
1171	>	*/
1172	>	public void testSaturatedExecute3() {
1173	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1174	>	final ThreadPoolExecutor p =
1175	>	new ThreadPoolExecutor(1, 1,
1176	>	LONG_DELAY_MS, MILLISECONDS,
1177	>	new ArrayBlockingQueue<Runnable>(1),
1178	>	h);
1179	>	try {
1180	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1181	>	for (int i = 0; i < tasks.length; ++i)
1182	>	tasks[i] = new TrackedNoOpRunnable();
1183	>	p.execute(new TrackedLongRunnable());
1184	>	for (TrackedNoOpRunnable task : tasks)
1185	>	p.execute(task);
1186	>	for (TrackedNoOpRunnable task : tasks)
1187	>	assertFalse(task.done);
1188	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1189	>	} finally {
1190	>	joinPool(p);
1191		}
380	–	catch (IllegalArgumentException success){}
1192		}
1193
1194	<	/** Throws if keepAliveTime is less than zero */
1195	<	public void testConstructor14() {
1196	<	try{
1197	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1198	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1194	>	/**
1195	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1196	>	*/
1197	>	public void testSaturatedExecute4() {
1198	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1199	>	final ThreadPoolExecutor p =
1200	>	new ThreadPoolExecutor(1, 1,
1201	>	LONG_DELAY_MS, MILLISECONDS,
1202	>	new ArrayBlockingQueue<Runnable>(1),
1203	>	h);
1204	>	try {
1205	>	p.execute(new TrackedLongRunnable());
1206	>	TrackedLongRunnable r2 = new TrackedLongRunnable();
1207	>	p.execute(r2);
1208	>	assertTrue(p.getQueue().contains(r2));
1209	>	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1210	>	p.execute(r3);
1211	>	assertFalse(p.getQueue().contains(r2));
1212	>	assertTrue(p.getQueue().contains(r3));
1213	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1214	>	} finally {
1215	>	joinPool(p);
1216		}
389	–	catch (IllegalArgumentException success){}
1217		}
1218
1219	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1220	<	public void testConstructor15() {
1221	<	try{
1222	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1223	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1219	>	/**
1220	>	* execute throws RejectedExecutionException if shutdown
1221	>	*/
1222	>	public void testRejectedExecutionExceptionOnShutdown() {
1223	>	ThreadPoolExecutor p =
1224	>	new ThreadPoolExecutor(1, 1,
1225	>	LONG_DELAY_MS, MILLISECONDS,
1226	>	new ArrayBlockingQueue<Runnable>(1));
1227	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1228	>	try {
1229	>	p.execute(new NoOpRunnable());
1230	>	shouldThrow();
1231	>	} catch (RejectedExecutionException success) {}
1232	>
1233	>	joinPool(p);
1234	>	}
1235	>
1236	>	/**
1237	>	* execute using CallerRunsPolicy drops task on shutdown
1238	>	*/
1239	>	public void testCallerRunsOnShutdown() {
1240	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1241	>	final ThreadPoolExecutor p =
1242	>	new ThreadPoolExecutor(1, 1,
1243	>	LONG_DELAY_MS, MILLISECONDS,
1244	>	new ArrayBlockingQueue<Runnable>(1), h);
1245	>
1246	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1247	>	try {
1248	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1249	>	p.execute(r);
1250	>	assertFalse(r.done);
1251	>	} finally {
1252	>	joinPool(p);
1253		}
398	–	catch (IllegalArgumentException success){}
1254		}
1255
1256	<	/** Throws if workQueue is set to null */
1257	<	public void testNullPointerException4() {
1258	<	try{
1259	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1260	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1256	>	/**
1257	>	* execute using DiscardPolicy drops task on shutdown
1258	>	*/
1259	>	public void testDiscardOnShutdown() {
1260	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1261	>	ThreadPoolExecutor p =
1262	>	new ThreadPoolExecutor(1, 1,
1263	>	LONG_DELAY_MS, MILLISECONDS,
1264	>	new ArrayBlockingQueue<Runnable>(1),
1265	>	h);
1266	>
1267	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1268	>	try {
1269	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1270	>	p.execute(r);
1271	>	assertFalse(r.done);
1272	>	} finally {
1273	>	joinPool(p);
1274		}
407	–	catch (NullPointerException success){}
1275		}
1276
1277	<	/** Throws if handler is set to null */
1278	<	public void testNullPointerException5() {
1279	<	try{
1280	<	RejectedExecutionHandler r = null;
1281	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1282	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1277	>	/**
1278	>	* execute using DiscardOldestPolicy drops task on shutdown
1279	>	*/
1280	>	public void testDiscardOldestOnShutdown() {
1281	>	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1282	>	ThreadPoolExecutor p =
1283	>	new ThreadPoolExecutor(1, 1,
1284	>	LONG_DELAY_MS, MILLISECONDS,
1285	>	new ArrayBlockingQueue<Runnable>(1),
1286	>	h);
1287	>
1288	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1289	>	try {
1290	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1291	>	p.execute(r);
1292	>	assertFalse(r.done);
1293	>	} finally {
1294	>	joinPool(p);
1295		}
417	–	catch (NullPointerException success){}
1296		}
1297
1298	<
1299	<	/** Throws if corePoolSize argument is less than zero */
1300	<	public void testConstructor16() {
1301	<	try{
1302	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1303	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1298	>	/**
1299	>	* execute(null) throws NPE
1300	>	*/
1301	>	public void testExecuteNull() {
1302	>	ThreadPoolExecutor p =
1303	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1304	>	new ArrayBlockingQueue<Runnable>(10));
1305	>	try {
1306	>	p.execute(null);
1307	>	shouldThrow();
1308	>	} catch (NullPointerException success) {}
1309	>
1310	>	joinPool(p);
1311	>	}
1312	>
1313	>	/**
1314	>	* setCorePoolSize of negative value throws IllegalArgumentException
1315	>	*/
1316	>	public void testCorePoolSizeIllegalArgumentException() {
1317	>	ThreadPoolExecutor p =
1318	>	new ThreadPoolExecutor(1, 2,
1319	>	LONG_DELAY_MS, MILLISECONDS,
1320	>	new ArrayBlockingQueue<Runnable>(10));
1321	>	try {
1322	>	p.setCorePoolSize(-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 less than zero */
1332	<	public void testConstructor17() {
1333	<	try{
1334	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1335	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1331	>	/**
1332	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1333	>	* given a value less the core pool size
1334	>	*/
1335	>	public void testMaximumPoolSizeIllegalArgumentException() {
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 maximumPoolSize is equal to zero */
1351	<	public void testConstructor18() {
1352	<	try{
1353	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1354	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1350	>	/**
1351	>	* setMaximumPoolSize throws IllegalArgumentException
1352	>	* if given a negative value
1353	>	*/
1354	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1355	>	ThreadPoolExecutor p =
1356	>	new ThreadPoolExecutor(2, 3,
1357	>	LONG_DELAY_MS, MILLISECONDS,
1358	>	new ArrayBlockingQueue<Runnable>(10));
1359	>	try {
1360	>	p.setMaximumPoolSize(-1);
1361	>	shouldThrow();
1362	>	} catch (IllegalArgumentException success) {
1363	>	} finally {
1364	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1365		}
1366	<	catch (IllegalArgumentException success){}
1366	>	joinPool(p);
1367		}
1368
1369	<	/** Throws if keepAliveTime is less than zero */
1370	<	public void testConstructor19() {
1371	<	try{
1372	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1373	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1369	>	/**
1370	>	* Configuration changes that allow core pool size greater than
1371	>	* max pool size result in IllegalArgumentException.
1372	>	*/
1373	>	public void testPoolSizeInvariants() {
1374	>	ThreadPoolExecutor p =
1375	>	new ThreadPoolExecutor(1, 1,
1376	>	LONG_DELAY_MS, MILLISECONDS,
1377	>	new ArrayBlockingQueue<Runnable>(10));
1378	>	for (int s = 1; s < 5; s++) {
1379	>	p.setMaximumPoolSize(s);
1380	>	p.setCorePoolSize(s);
1381	>	try {
1382	>	p.setMaximumPoolSize(s - 1);
1383	>	shouldThrow();
1384	>	} catch (IllegalArgumentException success) {}
1385	>	assertEquals(s, p.getCorePoolSize());
1386	>	assertEquals(s, p.getMaximumPoolSize());
1387	>	try {
1388	>	p.setCorePoolSize(s + 1);
1389	>	shouldThrow();
1390	>	} catch (IllegalArgumentException success) {}
1391	>	assertEquals(s, p.getCorePoolSize());
1392	>	assertEquals(s, p.getMaximumPoolSize());
1393		}
1394	<	catch (IllegalArgumentException success){}
1394	>	joinPool(p);
1395		}
1396
1397	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
1398	<	public void testConstructor20() {
1399	<	try{
1400	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1401	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1397	>	/**
1398	>	* setKeepAliveTime throws IllegalArgumentException
1399	>	* when given a negative value
1400	>	*/
1401	>	public void testKeepAliveTimeIllegalArgumentException() {
1402	>	ThreadPoolExecutor p =
1403	>	new ThreadPoolExecutor(2, 3,
1404	>	LONG_DELAY_MS, MILLISECONDS,
1405	>	new ArrayBlockingQueue<Runnable>(10));
1406	>	try {
1407	>	p.setKeepAliveTime(-1,MILLISECONDS);
1408	>	shouldThrow();
1409	>	} catch (IllegalArgumentException success) {
1410	>	} finally {
1411	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1412		}
1413	<	catch (IllegalArgumentException success){}
1413	>	joinPool(p);
1414		}
1415
1416	<	/** Throws if workQueue is set to null */
1417	<	public void testNullPointerException6() {
1418	<	try{
1419	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1420	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1416	>	/**
1417	>	* terminated() is called on termination
1418	>	*/
1419	>	public void testTerminated() {
1420	>	ExtendedTPE p = new ExtendedTPE();
1421	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1422	>	assertTrue(p.terminatedCalled());
1423	>	joinPool(p);
1424	>	}
1425	>
1426	>	/**
1427	>	* beforeExecute and afterExecute are called when executing task
1428	>	*/
1429	>	public void testBeforeAfter() throws InterruptedException {
1430	>	ExtendedTPE p = new ExtendedTPE();
1431	>	try {
1432	>	final CountDownLatch done = new CountDownLatch(1);
1433	>	p.execute(new CheckedRunnable() {
1434	>	public void realRun() {
1435	>	done.countDown();
1436	>	}});
1437	>	await(p.afterCalled);
1438	>	assertEquals(0, done.getCount());
1439	>	assertTrue(p.afterCalled());
1440	>	assertTrue(p.beforeCalled());
1441	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1442	>	} finally {
1443	>	joinPool(p);
1444	>	}
1445	>	}
1446	>
1447	>	/**
1448	>	* completed submit of callable returns result
1449	>	*/
1450	>	public void testSubmitCallable() throws Exception {
1451	>	ExecutorService e =
1452	>	new ThreadPoolExecutor(2, 2,
1453	>	LONG_DELAY_MS, MILLISECONDS,
1454	>	new ArrayBlockingQueue<Runnable>(10));
1455	>	try {
1456	>	Future<String> future = e.submit(new StringTask());
1457	>	String result = future.get();
1458	>	assertSame(TEST_STRING, result);
1459	>	} finally {
1460	>	joinPool(e);
1461	>	}
1462	>	}
1463	>
1464	>	/**
1465	>	* completed submit of runnable returns successfully
1466	>	*/
1467	>	public void testSubmitRunnable() throws Exception {
1468	>	ExecutorService e =
1469	>	new ThreadPoolExecutor(2, 2,
1470	>	LONG_DELAY_MS, MILLISECONDS,
1471	>	new ArrayBlockingQueue<Runnable>(10));
1472	>	try {
1473	>	Future<?> future = e.submit(new NoOpRunnable());
1474	>	future.get();
1475	>	assertTrue(future.isDone());
1476	>	} finally {
1477	>	joinPool(e);
1478	>	}
1479	>	}
1480	>
1481	>	/**
1482	>	* completed submit of (runnable, result) returns result
1483	>	*/
1484	>	public void testSubmitRunnable2() throws Exception {
1485	>	ExecutorService e =
1486	>	new ThreadPoolExecutor(2, 2,
1487	>	LONG_DELAY_MS, MILLISECONDS,
1488	>	new ArrayBlockingQueue<Runnable>(10));
1489	>	try {
1490	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1491	>	String result = future.get();
1492	>	assertSame(TEST_STRING, result);
1493	>	} finally {
1494	>	joinPool(e);
1495	>	}
1496	>	}
1497	>
1498	>	/**
1499	>	* invokeAny(null) throws NPE
1500	>	*/
1501	>	public void testInvokeAny1() throws Exception {
1502	>	ExecutorService e =
1503	>	new ThreadPoolExecutor(2, 2,
1504	>	LONG_DELAY_MS, MILLISECONDS,
1505	>	new ArrayBlockingQueue<Runnable>(10));
1506	>	try {
1507	>	e.invokeAny(null);
1508	>	shouldThrow();
1509	>	} catch (NullPointerException success) {
1510	>	} finally {
1511	>	joinPool(e);
1512		}
472	–	catch (NullPointerException success){}
1513		}
1514
1515	<	/** Throws if handler is set to null */
1516	<	public void testNullPointerException7() {
1517	<	try{
1518	<	RejectedExecutionHandler r = null;
1519	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1520	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1515	>	/**
1516	>	* invokeAny(empty collection) throws IAE
1517	>	*/
1518	>	public void testInvokeAny2() throws Exception {
1519	>	ExecutorService e =
1520	>	new ThreadPoolExecutor(2, 2,
1521	>	LONG_DELAY_MS, MILLISECONDS,
1522	>	new ArrayBlockingQueue<Runnable>(10));
1523	>	try {
1524	>	e.invokeAny(new ArrayList<Callable<String>>());
1525	>	shouldThrow();
1526	>	} catch (IllegalArgumentException success) {
1527	>	} finally {
1528	>	joinPool(e);
1529		}
482	–	catch (NullPointerException success){}
1530		}
1531
1532	<	/** Throws if ThreadFactory is set top null */
1533	<	public void testNullPointerException8() {
1534	<	try{
1535	<	ThreadFactory f = null;
1536	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1537	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1532	>	/**
1533	>	* invokeAny(c) throws NPE if c has null elements
1534	>	*/
1535	>	public void testInvokeAny3() throws Exception {
1536	>	final CountDownLatch latch = new CountDownLatch(1);
1537	>	final ExecutorService e =
1538	>	new ThreadPoolExecutor(2, 2,
1539	>	LONG_DELAY_MS, MILLISECONDS,
1540	>	new ArrayBlockingQueue<Runnable>(10));
1541	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1542	>	l.add(latchAwaitingStringTask(latch));
1543	>	l.add(null);
1544	>	try {
1545	>	e.invokeAny(l);
1546	>	shouldThrow();
1547	>	} catch (NullPointerException success) {
1548	>	} finally {
1549	>	latch.countDown();
1550	>	joinPool(e);
1551		}
492	–	catch (NullPointerException successdn8){}
1552		}
494	–
1553
1554		/**
1555	<	*   execute will throw RejectedExcutionException
498	<	*  ThreadPoolExecutor will throw one when more runnables are
499	<	*  executed then will fit in the Queue.
1555	>	* invokeAny(c) throws ExecutionException if no task completes
1556		*/
1557	<	public void testRejectedExecutionException(){
1558	<	ThreadPoolExecutor tpe = null;
1559	<	try{
1560	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1561	<	} catch(Exception e){}
1562	<	tpe.shutdown();
1563	<	try{
1564	<	tpe.execute(new NoOpRunnable());
1565	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1566	<	} catch(RejectedExecutionException success){}
1567	<
1568	<	joinPool(tpe);
1557	>	public void testInvokeAny4() throws Exception {
1558	>	ExecutorService e =
1559	>	new ThreadPoolExecutor(2, 2,
1560	>	LONG_DELAY_MS, MILLISECONDS,
1561	>	new ArrayBlockingQueue<Runnable>(10));
1562	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1563	>	l.add(new NPETask());
1564	>	try {
1565	>	e.invokeAny(l);
1566	>	shouldThrow();
1567	>	} catch (ExecutionException success) {
1568	>	assertTrue(success.getCause() instanceof NullPointerException);
1569	>	} finally {
1570	>	joinPool(e);
1571	>	}
1572		}
1573	<
1573	>
1574		/**
1575	<	*   setCorePoolSize will throw IllegalArgumentException
517	<	*  when given a negative
1575	>	* invokeAny(c) returns result of some task
1576		*/
1577	<	public void testCorePoolSizeIllegalArgumentException(){
1578	<	ThreadPoolExecutor tpe = null;
1579	<	try{
1580	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1581	<	} catch(Exception e){}
1582	<	try{
1583	<	tpe.setCorePoolSize(-1);
1584	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1585	<	} catch(IllegalArgumentException success){
1577	>	public void testInvokeAny5() throws Exception {
1578	>	ExecutorService e =
1579	>	new ThreadPoolExecutor(2, 2,
1580	>	LONG_DELAY_MS, MILLISECONDS,
1581	>	new ArrayBlockingQueue<Runnable>(10));
1582	>	try {
1583	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1584	>	l.add(new StringTask());
1585	>	l.add(new StringTask());
1586	>	String result = e.invokeAny(l);
1587	>	assertSame(TEST_STRING, result);
1588		} finally {
1589	<	tpe.shutdown();
1589	>	joinPool(e);
1590		}
1591	<	joinPool(tpe);
532	<	}
1591	>	}
1592
534	–
1593		/**
1594	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
1595	<	*  if given a value less the it's actual core pool size
1596	<	*/
1597	<	public void testMaximumPoolSizeIllegalArgumentException(){
1598	<	ThreadPoolExecutor tpe = null;
1599	<	try{
1600	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1601	<	} catch(Exception e){}
1602	<	try{
1603	<	tpe.setMaximumPoolSize(1);
1604	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
547	<	} catch(IllegalArgumentException success){
1594	>	* invokeAll(null) throws NPE
1595	>	*/
1596	>	public void testInvokeAll1() throws Exception {
1597	>	ExecutorService e =
1598	>	new ThreadPoolExecutor(2, 2,
1599	>	LONG_DELAY_MS, MILLISECONDS,
1600	>	new ArrayBlockingQueue<Runnable>(10));
1601	>	try {
1602	>	e.invokeAll(null);
1603	>	shouldThrow();
1604	>	} catch (NullPointerException success) {
1605		} finally {
1606	<	tpe.shutdown();
1606	>	joinPool(e);
1607		}
551	–	joinPool(tpe);
1608		}
1609	<
1609	>
1610		/**
1611	<	*   setMaximumPoolSize will throw IllegalArgumentException
556	<	*  if given a negative number
1611	>	* invokeAll(empty collection) returns empty collection
1612		*/
1613	<	public void testMaximumPoolSizeIllegalArgumentException2(){
1614	<	ThreadPoolExecutor tpe = null;
1615	<	try{
1616	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1617	<	} catch(Exception e){}
1618	<	try{
1619	<	tpe.setMaximumPoolSize(-1);
1620	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1621	<	} catch(IllegalArgumentException success){
1613	>	public void testInvokeAll2() throws InterruptedException {
1614	>	ExecutorService e =
1615	>	new ThreadPoolExecutor(2, 2,
1616	>	LONG_DELAY_MS, MILLISECONDS,
1617	>	new ArrayBlockingQueue<Runnable>(10));
1618	>	try {
1619	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1620	>	assertTrue(r.isEmpty());
1621	>	} finally {
1622	>	joinPool(e);
1623	>	}
1624	>	}
1625	>
1626	>	/**
1627	>	* invokeAll(c) throws NPE if c has null elements
1628	>	*/
1629	>	public void testInvokeAll3() throws Exception {
1630	>	ExecutorService e =
1631	>	new ThreadPoolExecutor(2, 2,
1632	>	LONG_DELAY_MS, MILLISECONDS,
1633	>	new ArrayBlockingQueue<Runnable>(10));
1634	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1635	>	l.add(new StringTask());
1636	>	l.add(null);
1637	>	try {
1638	>	e.invokeAll(l);
1639	>	shouldThrow();
1640	>	} catch (NullPointerException success) {
1641		} finally {
1642	<	tpe.shutdown();
1642	>	joinPool(e);
1643		}
570	–	joinPool(tpe);
1644		}
572	–
1645
1646		/**
1647	<	*   setKeepAliveTime will throw IllegalArgumentException
576	<	*  when given a negative value
1647	>	* get of element of invokeAll(c) throws exception on failed task
1648		*/
1649	<	public void testKeepAliveTimeIllegalArgumentException(){
1650	<	ThreadPoolExecutor tpe = null;
1651	<	try{
1652	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1653	<	} catch(Exception e){}
1654	<
1655	<	try{
1656	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1657	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1658	<	} catch(IllegalArgumentException success){
1649	>	public void testInvokeAll4() throws Exception {
1650	>	ExecutorService e =
1651	>	new ThreadPoolExecutor(2, 2,
1652	>	LONG_DELAY_MS, MILLISECONDS,
1653	>	new ArrayBlockingQueue<Runnable>(10));
1654	>	try {
1655	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1656	>	l.add(new NPETask());
1657	>	List<Future<String>> futures = e.invokeAll(l);
1658	>	assertEquals(1, futures.size());
1659	>	try {
1660	>	futures.get(0).get();
1661	>	shouldThrow();
1662	>	} catch (ExecutionException success) {
1663	>	assertTrue(success.getCause() instanceof NullPointerException);
1664	>	}
1665	>	} finally {
1666	>	joinPool(e);
1667	>	}
1668	>	}
1669	>
1670	>	/**
1671	>	* invokeAll(c) returns results of all completed tasks
1672	>	*/
1673	>	public void testInvokeAll5() throws Exception {
1674	>	ExecutorService e =
1675	>	new ThreadPoolExecutor(2, 2,
1676	>	LONG_DELAY_MS, MILLISECONDS,
1677	>	new ArrayBlockingQueue<Runnable>(10));
1678	>	try {
1679	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1680	>	l.add(new StringTask());
1681	>	l.add(new StringTask());
1682	>	List<Future<String>> futures = e.invokeAll(l);
1683	>	assertEquals(2, futures.size());
1684	>	for (Future<String> future : futures)
1685	>	assertSame(TEST_STRING, future.get());
1686		} finally {
1687	<	tpe.shutdown();
1687	>	joinPool(e);
1688		}
591	–	joinPool(tpe);
1689		}
1690	<
1690	>
1691	>	/**
1692	>	* timed invokeAny(null) throws NPE
1693	>	*/
1694	>	public void testTimedInvokeAny1() throws Exception {
1695	>	ExecutorService e =
1696	>	new ThreadPoolExecutor(2, 2,
1697	>	LONG_DELAY_MS, MILLISECONDS,
1698	>	new ArrayBlockingQueue<Runnable>(10));
1699	>	try {
1700	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1701	>	shouldThrow();
1702	>	} catch (NullPointerException success) {
1703	>	} finally {
1704	>	joinPool(e);
1705	>	}
1706	>	}
1707	>
1708	>	/**
1709	>	* timed invokeAny(,,null) throws NPE
1710	>	*/
1711	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1712	>	ExecutorService e =
1713	>	new ThreadPoolExecutor(2, 2,
1714	>	LONG_DELAY_MS, MILLISECONDS,
1715	>	new ArrayBlockingQueue<Runnable>(10));
1716	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1717	>	l.add(new StringTask());
1718	>	try {
1719	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1720	>	shouldThrow();
1721	>	} catch (NullPointerException success) {
1722	>	} finally {
1723	>	joinPool(e);
1724	>	}
1725	>	}
1726	>
1727	>	/**
1728	>	* timed invokeAny(empty collection) throws IAE
1729	>	*/
1730	>	public void testTimedInvokeAny2() throws Exception {
1731	>	ExecutorService e =
1732	>	new ThreadPoolExecutor(2, 2,
1733	>	LONG_DELAY_MS, MILLISECONDS,
1734	>	new ArrayBlockingQueue<Runnable>(10));
1735	>	try {
1736	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1737	>	shouldThrow();
1738	>	} catch (IllegalArgumentException success) {
1739	>	} finally {
1740	>	joinPool(e);
1741	>	}
1742	>	}
1743	>
1744	>	/**
1745	>	* timed invokeAny(c) throws NPE if c has null elements
1746	>	*/
1747	>	public void testTimedInvokeAny3() throws Exception {
1748	>	final CountDownLatch latch = new CountDownLatch(1);
1749	>	final ExecutorService e =
1750	>	new ThreadPoolExecutor(2, 2,
1751	>	LONG_DELAY_MS, MILLISECONDS,
1752	>	new ArrayBlockingQueue<Runnable>(10));
1753	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1754	>	l.add(latchAwaitingStringTask(latch));
1755	>	l.add(null);
1756	>	try {
1757	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1758	>	shouldThrow();
1759	>	} catch (NullPointerException success) {
1760	>	} finally {
1761	>	latch.countDown();
1762	>	joinPool(e);
1763	>	}
1764	>	}
1765	>
1766	>	/**
1767	>	* timed invokeAny(c) throws ExecutionException if no task completes
1768	>	*/
1769	>	public void testTimedInvokeAny4() throws Exception {
1770	>	ExecutorService e =
1771	>	new ThreadPoolExecutor(2, 2,
1772	>	LONG_DELAY_MS, MILLISECONDS,
1773	>	new ArrayBlockingQueue<Runnable>(10));
1774	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1775	>	l.add(new NPETask());
1776	>	try {
1777	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1778	>	shouldThrow();
1779	>	} catch (ExecutionException success) {
1780	>	assertTrue(success.getCause() instanceof NullPointerException);
1781	>	} finally {
1782	>	joinPool(e);
1783	>	}
1784	>	}
1785	>
1786	>	/**
1787	>	* timed invokeAny(c) returns result of some task
1788	>	*/
1789	>	public void testTimedInvokeAny5() throws Exception {
1790	>	ExecutorService e =
1791	>	new ThreadPoolExecutor(2, 2,
1792	>	LONG_DELAY_MS, MILLISECONDS,
1793	>	new ArrayBlockingQueue<Runnable>(10));
1794	>	try {
1795	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1796	>	l.add(new StringTask());
1797	>	l.add(new StringTask());
1798	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1799	>	assertSame(TEST_STRING, result);
1800	>	} finally {
1801	>	joinPool(e);
1802	>	}
1803	>	}
1804	>
1805	>	/**
1806	>	* timed invokeAll(null) throws NPE
1807	>	*/
1808	>	public void testTimedInvokeAll1() throws Exception {
1809	>	ExecutorService e =
1810	>	new ThreadPoolExecutor(2, 2,
1811	>	LONG_DELAY_MS, MILLISECONDS,
1812	>	new ArrayBlockingQueue<Runnable>(10));
1813	>	try {
1814	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1815	>	shouldThrow();
1816	>	} catch (NullPointerException success) {
1817	>	} finally {
1818	>	joinPool(e);
1819	>	}
1820	>	}
1821	>
1822	>	/**
1823	>	* timed invokeAll(,,null) throws NPE
1824	>	*/
1825	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1826	>	ExecutorService e =
1827	>	new ThreadPoolExecutor(2, 2,
1828	>	LONG_DELAY_MS, MILLISECONDS,
1829	>	new ArrayBlockingQueue<Runnable>(10));
1830	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1831	>	l.add(new StringTask());
1832	>	try {
1833	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1834	>	shouldThrow();
1835	>	} catch (NullPointerException success) {
1836	>	} finally {
1837	>	joinPool(e);
1838	>	}
1839	>	}
1840	>
1841	>	/**
1842	>	* timed invokeAll(empty collection) returns empty collection
1843	>	*/
1844	>	public void testTimedInvokeAll2() throws InterruptedException {
1845	>	ExecutorService e =
1846	>	new ThreadPoolExecutor(2, 2,
1847	>	LONG_DELAY_MS, MILLISECONDS,
1848	>	new ArrayBlockingQueue<Runnable>(10));
1849	>	try {
1850	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1851	>	assertTrue(r.isEmpty());
1852	>	} finally {
1853	>	joinPool(e);
1854	>	}
1855	>	}
1856	>
1857	>	/**
1858	>	* timed invokeAll(c) throws NPE if c has null elements
1859	>	*/
1860	>	public void testTimedInvokeAll3() throws Exception {
1861	>	ExecutorService e =
1862	>	new ThreadPoolExecutor(2, 2,
1863	>	LONG_DELAY_MS, MILLISECONDS,
1864	>	new ArrayBlockingQueue<Runnable>(10));
1865	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1866	>	l.add(new StringTask());
1867	>	l.add(null);
1868	>	try {
1869	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1870	>	shouldThrow();
1871	>	} catch (NullPointerException success) {
1872	>	} finally {
1873	>	joinPool(e);
1874	>	}
1875	>	}
1876	>
1877	>	/**
1878	>	* get of element of invokeAll(c) throws exception on failed task
1879	>	*/
1880	>	public void testTimedInvokeAll4() throws Exception {
1881	>	ExecutorService e =
1882	>	new ThreadPoolExecutor(2, 2,
1883	>	LONG_DELAY_MS, MILLISECONDS,
1884	>	new ArrayBlockingQueue<Runnable>(10));
1885	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1886	>	l.add(new NPETask());
1887	>	List<Future<String>> futures =
1888	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1889	>	assertEquals(1, futures.size());
1890	>	try {
1891	>	futures.get(0).get();
1892	>	shouldThrow();
1893	>	} catch (ExecutionException success) {
1894	>	assertTrue(success.getCause() instanceof NullPointerException);
1895	>	} finally {
1896	>	joinPool(e);
1897	>	}
1898	>	}
1899	>
1900	>	/**
1901	>	* timed invokeAll(c) returns results of all completed tasks
1902	>	*/
1903	>	public void testTimedInvokeAll5() throws Exception {
1904	>	ExecutorService e =
1905	>	new ThreadPoolExecutor(2, 2,
1906	>	LONG_DELAY_MS, MILLISECONDS,
1907	>	new ArrayBlockingQueue<Runnable>(10));
1908	>	try {
1909	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1910	>	l.add(new StringTask());
1911	>	l.add(new StringTask());
1912	>	List<Future<String>> futures =
1913	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1914	>	assertEquals(2, futures.size());
1915	>	for (Future<String> future : futures)
1916	>	assertSame(TEST_STRING, future.get());
1917	>	} finally {
1918	>	joinPool(e);
1919	>	}
1920	>	}
1921	>
1922	>	/**
1923	>	* timed invokeAll(c) cancels tasks not completed by timeout
1924	>	*/
1925	>	public void testTimedInvokeAll6() throws Exception {
1926	>	ExecutorService e =
1927	>	new ThreadPoolExecutor(2, 2,
1928	>	LONG_DELAY_MS, MILLISECONDS,
1929	>	new ArrayBlockingQueue<Runnable>(10));
1930	>	try {
1931	>	for (long timeout = timeoutMillis();;) {
1932	>	List<Callable<String>> tasks = new ArrayList<>();
1933	>	tasks.add(new StringTask("0"));
1934	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1935	>	tasks.add(new StringTask("2"));
1936	>	long startTime = System.nanoTime();
1937	>	List<Future<String>> futures =
1938	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1939	>	assertEquals(tasks.size(), futures.size());
1940	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1941	>	for (Future future : futures)
1942	>	assertTrue(future.isDone());
1943	>	assertTrue(futures.get(1).isCancelled());
1944	>	try {
1945	>	assertEquals("0", futures.get(0).get());
1946	>	assertEquals("2", futures.get(2).get());
1947	>	break;
1948	>	} catch (CancellationException retryWithLongerTimeout) {
1949	>	timeout *= 2;
1950	>	if (timeout >= LONG_DELAY_MS / 2)
1951	>	fail("expected exactly one task to be cancelled");
1952	>	}
1953	>	}
1954	>	} finally {
1955	>	joinPool(e);
1956	>	}
1957	>	}
1958	>
1959	>	/**
1960	>	* Execution continues if there is at least one thread even if
1961	>	* thread factory fails to create more
1962	>	*/
1963	>	public void testFailingThreadFactory() throws InterruptedException {
1964	>	final ExecutorService e =
1965	>	new ThreadPoolExecutor(100, 100,
1966	>	LONG_DELAY_MS, MILLISECONDS,
1967	>	new LinkedBlockingQueue<Runnable>(),
1968	>	new FailingThreadFactory());
1969	>	try {
1970	>	final int TASKS = 100;
1971	>	final CountDownLatch done = new CountDownLatch(TASKS);
1972	>	for (int k = 0; k < TASKS; ++k)
1973	>	e.execute(new CheckedRunnable() {
1974	>	public void realRun() {
1975	>	done.countDown();
1976	>	}});
1977	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1978	>	} finally {
1979	>	joinPool(e);
1980	>	}
1981	>	}
1982	>
1983	>	/**
1984	>	* allowsCoreThreadTimeOut is by default false.
1985	>	*/
1986	>	public void testAllowsCoreThreadTimeOut() {
1987	>	final ThreadPoolExecutor p =
1988	>	new ThreadPoolExecutor(2, 2,
1989	>	1000, MILLISECONDS,
1990	>	new ArrayBlockingQueue<Runnable>(10));
1991	>	assertFalse(p.allowsCoreThreadTimeOut());
1992	>	joinPool(p);
1993	>	}
1994	>
1995	>	/**
1996	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1997	>	*/
1998	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1999	>	long keepAliveTime = timeoutMillis();
2000	>	final ThreadPoolExecutor p =
2001	>	new ThreadPoolExecutor(2, 10,
2002	>	keepAliveTime, MILLISECONDS,
2003	>	new ArrayBlockingQueue<Runnable>(10));
2004	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2005	>	try {
2006	>	p.allowCoreThreadTimeOut(true);
2007	>	p.execute(new CheckedRunnable() {
2008	>	public void realRun() {
2009	>	threadStarted.countDown();
2010	>	assertEquals(1, p.getPoolSize());
2011	>	}});
2012	>	await(threadStarted);
2013	>	delay(keepAliveTime);
2014	>	long startTime = System.nanoTime();
2015	>	while (p.getPoolSize() > 0
2016	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2017	>	Thread.yield();
2018	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2019	>	assertEquals(0, p.getPoolSize());
2020	>	} finally {
2021	>	joinPool(p);
2022	>	}
2023	>	}
2024	>
2025	>	/**
2026	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2027	>	*/
2028	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2029	>	long keepAliveTime = timeoutMillis();
2030	>	final ThreadPoolExecutor p =
2031	>	new ThreadPoolExecutor(2, 10,
2032	>	keepAliveTime, MILLISECONDS,
2033	>	new ArrayBlockingQueue<Runnable>(10));
2034	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2035	>	try {
2036	>	p.allowCoreThreadTimeOut(false);
2037	>	p.execute(new CheckedRunnable() {
2038	>	public void realRun() throws InterruptedException {
2039	>	threadStarted.countDown();
2040	>	assertTrue(p.getPoolSize() >= 1);
2041	>	}});
2042	>	delay(2 * keepAliveTime);
2043	>	assertTrue(p.getPoolSize() >= 1);
2044	>	} finally {
2045	>	joinPool(p);
2046	>	}
2047	>	}
2048	>
2049	>	/**
2050	>	* execute allows the same task to be submitted multiple times, even
2051	>	* if rejected
2052	>	*/
2053	>	public void testRejectedRecycledTask() throws InterruptedException {
2054	>	final int nTasks = 1000;
2055	>	final CountDownLatch done = new CountDownLatch(nTasks);
2056	>	final Runnable recycledTask = new Runnable() {
2057	>	public void run() {
2058	>	done.countDown();
2059	>	}};
2060	>	final ThreadPoolExecutor p =
2061	>	new ThreadPoolExecutor(1, 30,
2062	>	60, SECONDS,
2063	>	new ArrayBlockingQueue(30));
2064	>	try {
2065	>	for (int i = 0; i < nTasks; ++i) {
2066	>	for (;;) {
2067	>	try {
2068	>	p.execute(recycledTask);
2069	>	break;
2070	>	}
2071	>	catch (RejectedExecutionException ignore) {}
2072	>	}
2073	>	}
2074	>	// enough time to run all tasks
2075	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2076	>	} finally {
2077	>	joinPool(p);
2078	>	}
2079	>	}
2080	>
2081	>	/**
2082	>	* get(cancelled task) throws CancellationException
2083	>	*/
2084	>	public void testGet_cancelled() throws Exception {
2085	>	final ExecutorService e =
2086	>	new ThreadPoolExecutor(1, 1,
2087	>	LONG_DELAY_MS, MILLISECONDS,
2088	>	new LinkedBlockingQueue<Runnable>());
2089	>	try {
2090	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2091	>	final CountDownLatch done = new CountDownLatch(1);
2092	>	final List<Future<?>> futures = new ArrayList<>();
2093	>	for (int i = 0; i < 2; i++) {
2094	>	Runnable r = new CheckedRunnable() { public void realRun()
2095	>	throws Throwable {
2096	>	blockerStarted.countDown();
2097	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2098	>	}};
2099	>	futures.add(e.submit(r));
2100	>	}
2101	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2102	>	for (Future<?> future : futures) future.cancel(false);
2103	>	for (Future<?> future : futures) {
2104	>	try {
2105	>	future.get();
2106	>	shouldThrow();
2107	>	} catch (CancellationException success) {}
2108	>	try {
2109	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2110	>	shouldThrow();
2111	>	} catch (CancellationException success) {}
2112	>	assertTrue(future.isCancelled());
2113	>	assertTrue(future.isDone());
2114	>	}
2115	>	done.countDown();
2116	>	} finally {
2117	>	joinPool(e);
2118	>	}
2119	>	}
2120	>
2121		}

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