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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.103 by jsr166, Mon Oct 5 22:19:00 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 TestCase{
37	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
16	–
17	–
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
45	<	private static long SHORT_DELAY_MS = 100;
46	<	private static long MEDIUM_DELAY_MS = 1000;
47	<	private static long LONG_DELAY_MS = 10000;
48	<
49	<	//---- testThread class to implement ThreadFactory for use in constructors
50	<	static class testThread implements ThreadFactory{
51	<	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	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
83	<	static class testReject implements RejectedExecutionHandler{
84	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
82	>	/**
83	>	* execute successfully executes a runnable
84	>	*/
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	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97		}
98
99	<	public Runnable newRunnable(){
100	<	return new Runnable(){
101	<	public void run(){
102	<	try{Thread.sleep(MEDIUM_DELAY_MS);
103	<	} catch(Exception e){
104	<	}
105	<	}
106	<	};
99	>	/**
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102	>	*/
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121	>	}
122		}
123
48	–
124		/**
125	<	*  Test to verify that execute successfully executes a runnable
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127	<	public void testExecute(){
128	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
129	<	try {
130	<	one.execute(new Runnable(){
131	<	public void run(){
132	<	try{
133	<	Thread.sleep(SHORT_DELAY_MS);
134	<	}catch(InterruptedException e){
135	<	fail("unexpected exception");
136	<	}
137	<	}
138	<	});
139	<	Thread.sleep(SHORT_DELAY_MS * 2);
140	<	}catch(InterruptedException e){
141	<	fail("unexpected exception");
142	<	} finally {
143	<	one.shutdown();
127	>	public void testPrestartCoreThread() {
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147		}
148		}
149
150		/**
151	<	*  Test to verify getActiveCount gives correct values
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153	<	public void testGetActiveCount(){
154	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	try {
156	<	assertEquals(0, two.getActiveCount());
157	<	two.execute(newRunnable());
158	<	try{Thread.sleep(10);}catch(Exception e){}
159	<	assertEquals(1, two.getActiveCount());
160	<	} finally {
161	<	two.shutdown();
153	>	public void testPrestartAllCoreThreads() {
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169		}
170		}
171	<
171	>
172		/**
173	<	*  Test to verify getCompleteTaskCount gives correct values
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175		*/
176	<	public void testGetCompletedTaskCount(){
177	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
178	<	try {
179	<	assertEquals(0, two.getCompletedTaskCount());
180	<	two.execute(newRunnable());
181	<	try{Thread.sleep(2000);}catch(Exception e){}
182	<	assertEquals(1, two.getCompletedTaskCount());
183	<	} finally {
184	<	two.shutdown();
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203		}
204		}
205	<
205	>
206		/**
207	<	*  Test to verify getCorePoolSize gives correct values
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209	<	public void testGetCorePoolSize(){
210	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	try {
212	<	assertEquals(1, one.getCorePoolSize());
213	<	} finally {
214	<	one.shutdown();
209	>	public void testGetCorePoolSize() {
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216		}
217		}
218	<
218	>
219		/**
220	<	*  Test to verify getKeepAliveTime gives correct values
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222	<	public void testGetKeepAliveTime(){
223	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	try {
225	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
226	<	} finally {
227	<	two.shutdown();
222	>	public void testGetKeepAliveTime() {
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229		}
230		}
231	<
231	>
232		/**
233	<	*  Test to verify getLargestPoolSize gives correct values
233	>	* getThreadFactory returns factory in constructor if not set
234		*/
235	<	public void testGetLargestPoolSize(){
236	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
237	<	try {
238	<	assertEquals(0, two.getLargestPoolSize());
239	<	two.execute(newRunnable());
240	<	two.execute(newRunnable());
241	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
242	<	assertEquals(2, two.getLargestPoolSize());
243	<	} finally {
244	<	two.shutdown();
235	>	public void testGetThreadFactory() {
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245		}
246		}
247	<
247	>
248		/**
249	<	*  Test to verify getMaximumPoolSize gives correct values
249	>	* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251	<	public void testGetMaximumPoolSize(){
252	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	try {
254	<	assertEquals(2, two.getMaximumPoolSize());
255	<	} finally {
256	<	two.shutdown();
251	>	public void testSetThreadFactory() {
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260		}
261		}
262	<
262	>
263		/**
264	<	*  Test to verify getPoolSize gives correct values
264	>	* setThreadFactory(null) throws NPE
265		*/
266	<	public void testGetPoolSize(){
267	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	try {
269	<	assertEquals(0, one.getPoolSize());
270	<	one.execute(newRunnable());
271	<	assertEquals(1, one.getPoolSize());
272	<	} finally {
273	<	one.shutdown();
266	>	public void testSetThreadFactoryNull() {
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276		}
277		}
278	<
278	>
279		/**
280	<	*  Test to verify getTaskCount gives correct values
280	>	* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282	<	public void testGetTaskCount(){
283	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
284	<	try {
285	<	assertEquals(0, one.getTaskCount());
286	<	for(int i = 0; i < 5; i++)
287	<	one.execute(newRunnable());
288	<	try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
289	<	assertEquals(5, one.getTaskCount());
290	<	} finally {
180	<	one.shutdown();
282	>	public void testGetRejectedExecutionHandler() {
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291		}
292		}
293	<
293	>
294		/**
295	<	*  Test to verify isShutDown gives correct values
295	>	* setRejectedExecutionHandler sets the handler returned by
296	>	* getRejectedExecutionHandler
297		*/
298	<	public void testIsShutdown(){
299	<
300	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
301	<	try {
302	<	assertFalse(one.isShutdown());
298	>	public void testSetRejectedExecutionHandler() {
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308	>	}
309	>
310	>	/**
311	>	* setRejectedExecutionHandler(null) throws NPE
312	>	*/
313	>	public void testSetRejectedExecutionHandlerNull() {
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323		}
324	<	finally {
325	<	one.shutdown();
324	>	}
325	>
326	>	/**
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final CountDownLatch done = new CountDownLatch(1);
333	>	final ThreadPoolExecutor p =
334	>	new ThreadPoolExecutor(THREADS, THREADS,
335	>	LONG_DELAY_MS, MILLISECONDS,
336	>	new ArrayBlockingQueue<Runnable>(10));
337	>	try (PoolCleaner cleaner = cleaner(p, done)) {
338	>	assertEquals(0, p.getLargestPoolSize());
339	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349		}
350	<	assertTrue(one.isShutdown());
350	>	assertEquals(THREADS, p.getLargestPoolSize());
351		}
352
199	–
353		/**
354	<	*  Test to verify isTerminated gives correct values
355	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
354	>	* getMaximumPoolSize returns value given in constructor if not
355	>	* otherwise set
356		*/
357	<	public void testIsTerminated(){
358	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
359	<	try {
360	<	one.execute(newRunnable());
361	<	} finally {
362	<	one.shutdown();
357	>	public void testGetMaximumPoolSize() {
358	>	final ThreadPoolExecutor p =
359	>	new ThreadPoolExecutor(2, 3,
360	>	LONG_DELAY_MS, MILLISECONDS,
361	>	new ArrayBlockingQueue<Runnable>(10));
362	>	try (PoolCleaner cleaner = cleaner(p)) {
363	>	assertEquals(3, p.getMaximumPoolSize());
364	>	p.setMaximumPoolSize(5);
365	>	assertEquals(5, p.getMaximumPoolSize());
366	>	p.setMaximumPoolSize(4);
367	>	assertEquals(4, p.getMaximumPoolSize());
368		}
212	–	boolean flag = false;
213	–	try{
214	–	flag = one.awaitTermination(10, TimeUnit.SECONDS);
215	–	}catch(Exception e){}
216	–	assertTrue(one.isTerminated());
217	–	if(!flag)
218	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
369		}
370
371		/**
372	<	*  Test to verify that purge correctly removes cancelled tasks
373	<	*  from the queue
372	>	* getPoolSize increases, but doesn't overestimate, when threads
373	>	* become active
374		*/
375	<	public void testPurge(){
376	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
377	<	try {
378	<	CancellableTask[] tasks = new CancellableTask[5];
379	<	for(int i = 0; i < 5; i++){
380	<	tasks[i] = new CancellableTask(newRunnable());
381	<	one.execute(tasks[i]);
375	>	public void testGetPoolSize() throws InterruptedException {
376	>	final CountDownLatch done = new CountDownLatch(1);
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p, done)) {
382	>	assertEquals(0, p.getPoolSize());
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	p.execute(new CheckedRunnable() {
385	>	public void realRun() throws InterruptedException {
386	>	threadStarted.countDown();
387	>	assertEquals(1, p.getPoolSize());
388	>	done.await();
389	>	}});
390	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
391	>	assertEquals(1, p.getPoolSize());
392	>	}
393	>	}
394	>
395	>	/**
396	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
397	>	*/
398	>	public void testGetTaskCount() throws InterruptedException {
399	>	final int TASKS = 3;
400	>	final CountDownLatch done = new CountDownLatch(1);
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p, done)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	assertEquals(0, p.getTaskCount());
408	>	assertEquals(0, p.getCompletedTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	done.await();
413	>	}});
414	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
415	>	assertEquals(1, p.getTaskCount());
416	>	assertEquals(0, p.getCompletedTaskCount());
417	>	for (int i = 0; i < TASKS; i++) {
418	>	assertEquals(1 + i, p.getTaskCount());
419	>	p.execute(new CheckedRunnable() {
420	>	public void realRun() throws InterruptedException {
421	>	threadStarted.countDown();
422	>	assertEquals(1 + TASKS, p.getTaskCount());
423	>	done.await();
424	>	}});
425		}
426	<	tasks[4].cancel(true);
427	<	tasks[3].cancel(true);
235	<	one.purge();
236	<	long count = one.getTaskCount();
237	<	assertTrue(count >= 2 && count < 5);
238	<	} finally {
239	<	one.shutdown();
426	>	assertEquals(1 + TASKS, p.getTaskCount());
427	>	assertEquals(0, p.getCompletedTaskCount());
428		}
429	+	assertEquals(1 + TASKS, p.getTaskCount());
430	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
431		}
432
433		/**
434	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
434	>	* isShutdown is false before shutdown, true after
435		*/
436	<	public void testShutDownNow(){
437	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
438	<	List l;
439	<	try {
440	<	for(int i = 0; i < 5; i++)
441	<	one.execute(newRunnable());
436	>	public void testIsShutdown() {
437	>	final ThreadPoolExecutor p =
438	>	new ThreadPoolExecutor(1, 1,
439	>	LONG_DELAY_MS, MILLISECONDS,
440	>	new ArrayBlockingQueue<Runnable>(10));
441	>	try (PoolCleaner cleaner = cleaner(p)) {
442	>	assertFalse(p.isShutdown());
443	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
444	>	assertTrue(p.isShutdown());
445	>	}
446	>	}
447	>
448	>	/**
449	>	* awaitTermination on a non-shutdown pool times out
450	>	*/
451	>	public void testAwaitTermination_timesOut() throws InterruptedException {
452	>	final ThreadPoolExecutor p =
453	>	new ThreadPoolExecutor(1, 1,
454	>	LONG_DELAY_MS, MILLISECONDS,
455	>	new ArrayBlockingQueue<Runnable>(10));
456	>	try (PoolCleaner cleaner = cleaner(p)) {
457	>	assertFalse(p.isTerminated());
458	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
459	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
460	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
461	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
462	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
463	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
464	>	long timeoutNanos = 999999L;
465	>	long startTime = System.nanoTime();
466	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
467	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
468	>	assertFalse(p.isTerminated());
469	>	startTime = System.nanoTime();
470	>	long timeoutMillis = timeoutMillis();
471	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
472	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
473	>	assertFalse(p.isTerminated());
474	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
475	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
476	>	assertTrue(p.isTerminated());
477	>	}
478	>	}
479	>
480	>	/**
481	>	* isTerminated is false before termination, true after
482	>	*/
483	>	public void testIsTerminated() throws InterruptedException {
484	>	final ThreadPoolExecutor p =
485	>	new ThreadPoolExecutor(1, 1,
486	>	LONG_DELAY_MS, MILLISECONDS,
487	>	new ArrayBlockingQueue<Runnable>(10));
488	>	try (PoolCleaner cleaner = cleaner(p)) {
489	>	final CountDownLatch threadStarted = new CountDownLatch(1);
490	>	final CountDownLatch done = new CountDownLatch(1);
491	>	assertFalse(p.isTerminating());
492	>	p.execute(new CheckedRunnable() {
493	>	public void realRun() throws InterruptedException {
494	>	assertFalse(p.isTerminating());
495	>	threadStarted.countDown();
496	>	done.await();
497	>	}});
498	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
499	>	assertFalse(p.isTerminating());
500	>	done.countDown();
501	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
502	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
503	>	assertTrue(p.isTerminated());
504	>	assertFalse(p.isTerminating());
505	>	}
506	>	}
507	>
508	>	/**
509	>	* isTerminating is not true when running or when terminated
510	>	*/
511	>	public void testIsTerminating() throws InterruptedException {
512	>	final ThreadPoolExecutor p =
513	>	new ThreadPoolExecutor(1, 1,
514	>	LONG_DELAY_MS, MILLISECONDS,
515	>	new ArrayBlockingQueue<Runnable>(10));
516	>	try (PoolCleaner cleaner = cleaner(p)) {
517	>	final CountDownLatch threadStarted = new CountDownLatch(1);
518	>	final CountDownLatch done = new CountDownLatch(1);
519	>	assertFalse(p.isTerminating());
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminating());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
531	>	assertTrue(p.isTerminated());
532	>	assertFalse(p.isTerminating());
533	>	}
534	>	}
535	>
536	>	/**
537	>	* getQueue returns the work queue, which contains queued tasks
538	>	*/
539	>	public void testGetQueue() throws InterruptedException {
540	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
541	>	final ThreadPoolExecutor p =
542	>	new ThreadPoolExecutor(1, 1,
543	>	LONG_DELAY_MS, MILLISECONDS,
544	>	q);
545	>	try (PoolCleaner cleaner = cleaner(p)) {
546	>	final CountDownLatch threadStarted = new CountDownLatch(1);
547	>	final CountDownLatch done = new CountDownLatch(1);
548	>	FutureTask[] tasks = new FutureTask[5];
549	>	for (int i = 0; i < tasks.length; i++) {
550	>	Callable task = new CheckedCallable<Boolean>() {
551	>	public Boolean realCall() throws InterruptedException {
552	>	threadStarted.countDown();
553	>	assertSame(q, p.getQueue());
554	>	done.await();
555	>	return Boolean.TRUE;
556	>	}};
557	>	tasks[i] = new FutureTask(task);
558	>	p.execute(tasks[i]);
559	>	}
560	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
561	>	assertSame(q, p.getQueue());
562	>	assertFalse(q.contains(tasks[0]));
563	>	assertTrue(q.contains(tasks[tasks.length - 1]));
564	>	assertEquals(tasks.length - 1, q.size());
565	>	done.countDown();
566		}
567	<	finally {
568	<	l = one.shutdownNow();
567	>	}
568	>
569	>	/**
570	>	* remove(task) removes queued task, and fails to remove active task
571	>	*/
572	>	public void testRemove() throws InterruptedException {
573	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
574	>	final ThreadPoolExecutor p =
575	>	new ThreadPoolExecutor(1, 1,
576	>	LONG_DELAY_MS, MILLISECONDS,
577	>	q);
578	>	try (PoolCleaner cleaner = cleaner(p)) {
579	>	Runnable[] tasks = new Runnable[6];
580	>	final CountDownLatch threadStarted = new CountDownLatch(1);
581	>	final CountDownLatch done = new CountDownLatch(1);
582	>	for (int i = 0; i < tasks.length; i++) {
583	>	tasks[i] = new CheckedRunnable() {
584	>	public void realRun() throws InterruptedException {
585	>	threadStarted.countDown();
586	>	done.await();
587	>	}};
588	>	p.execute(tasks[i]);
589	>	}
590	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
591	>	assertFalse(p.remove(tasks[0]));
592	>	assertTrue(q.contains(tasks[4]));
593	>	assertTrue(q.contains(tasks[3]));
594	>	assertTrue(p.remove(tasks[4]));
595	>	assertFalse(p.remove(tasks[4]));
596	>	assertFalse(q.contains(tasks[4]));
597	>	assertTrue(q.contains(tasks[3]));
598	>	assertTrue(p.remove(tasks[3]));
599	>	assertFalse(q.contains(tasks[3]));
600	>	done.countDown();
601	>	}
602	>	}
603	>
604	>	/**
605	>	* purge removes cancelled tasks from the queue
606	>	*/
607	>	public void testPurge() throws InterruptedException {
608	>	final CountDownLatch threadStarted = new CountDownLatch(1);
609	>	final CountDownLatch done = new CountDownLatch(1);
610	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
611	>	final ThreadPoolExecutor p =
612	>	new ThreadPoolExecutor(1, 1,
613	>	LONG_DELAY_MS, MILLISECONDS,
614	>	q);
615	>	try (PoolCleaner cleaner = cleaner(p, done)) {
616	>	FutureTask[] tasks = new FutureTask[5];
617	>	for (int i = 0; i < tasks.length; i++) {
618	>	Callable task = new CheckedCallable<Boolean>() {
619	>	public Boolean realCall() throws InterruptedException {
620	>	threadStarted.countDown();
621	>	done.await();
622	>	return Boolean.TRUE;
623	>	}};
624	>	tasks[i] = new FutureTask(task);
625	>	p.execute(tasks[i]);
626	>	}
627	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
628	>	assertEquals(tasks.length, p.getTaskCount());
629	>	assertEquals(tasks.length - 1, q.size());
630	>	assertEquals(1L, p.getActiveCount());
631	>	assertEquals(0L, p.getCompletedTaskCount());
632	>	tasks[4].cancel(true);
633	>	tasks[3].cancel(false);
634	>	p.purge();
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637	>	p.purge();         // Nothing to do
638	>	assertEquals(tasks.length - 3, q.size());
639	>	assertEquals(tasks.length - 2, p.getTaskCount());
640		}
257	–	assertTrue(one.isShutdown());
258	–	assertTrue(l.size() <= 4);
641		}
642
643	<
644	<
645	<
646	<
647	<
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	>	final 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
267	–
684
685	<	//---- Tests 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(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
691	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
692	<	}
693	<	catch (IllegalArgumentException i){}
689	>	try {
690	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
691	>	new ArrayBlockingQueue<Runnable>(10));
692	>	shouldThrow();
693	>	} catch (IllegalArgumentException success) {}
694		}
695	<
696	<	//---- Tests 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,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
702	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
703	<	}
704	<	catch (IllegalArgumentException i2){}
700	>	try {
701	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
702	>	new ArrayBlockingQueue<Runnable>(10));
703	>	shouldThrow();
704	>	} catch (IllegalArgumentException success) {}
705		}
706	<
707	<	//---- Tests 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(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
713	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
714	<	}
715	<	catch (IllegalArgumentException i3){}
711	>	try {
712	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
713	>	new ArrayBlockingQueue<Runnable>(10));
714	>	shouldThrow();
715	>	} catch (IllegalArgumentException success) {}
716		}
717
718	<	//---- Tests 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 i4){}
722	>	try {
723	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
724	>	new ArrayBlockingQueue<Runnable>(10));
725	>	shouldThrow();
726	>	} catch (IllegalArgumentException success) {}
727		}
728
729	<	//---- Tests 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(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
735	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
736	<	}
737	<	catch (IllegalArgumentException i5){}
733	>	try {
734	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
735	>	new ArrayBlockingQueue<Runnable>(10));
736	>	shouldThrow();
737	>	} catch (IllegalArgumentException success) {}
738		}
739	<
740	<	//---- Tests if workQueue is set to null
741	<	public void testNullPointerException() {
742	<	try{
743	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
744	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
745	<	}
746	<	catch (NullPointerException n){}
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		}
322	–
750
751	<
752	<	//---- Tests 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(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
757	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
758	<	}catch (IllegalArgumentException i6){}
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	<	//---- Tests 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,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
769	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
770	<	}
771	<	catch (IllegalArgumentException i7){}
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	<	//---- Tests 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(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
781	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
782	<	}
783	<	catch (IllegalArgumentException i8){}
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	<	//---- Tests 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 testThread());
793	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
794	<	}
795	<	catch (IllegalArgumentException i9){}
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	<	//---- Tests 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(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
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	>	try (PoolCleaner cleaner = cleaner(p)) {
1033	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1034	>	final CountDownLatch done = new CountDownLatch(1);
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(LONG_DELAY_MS, MILLISECONDS));
1047	>	t.interrupt();
1048	>	awaitTermination(t, MEDIUM_DELAY_MS);
1049	>	done.countDown();
1050		}
366	–	catch (IllegalArgumentException i10){}
1051		}
1052
1053	<	//---- Tests if workQueue is set to null
1054	<	public void testNullPointerException2() {
1055	<	try{
1056	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1057	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1053	>	/**
1054	>	* execute throws RejectedExecutionException if saturated.
1055	>	*/
1056	>	public void testSaturatedExecute() {
1057	>	final ThreadPoolExecutor p =
1058	>	new ThreadPoolExecutor(1, 1,
1059	>	LONG_DELAY_MS, MILLISECONDS,
1060	>	new ArrayBlockingQueue<Runnable>(1));
1061	>	try (PoolCleaner cleaner = cleaner(p)) {
1062	>	final CountDownLatch done = new CountDownLatch(1);
1063	>	Runnable task = new CheckedRunnable() {
1064	>	public void realRun() throws InterruptedException {
1065	>	done.await();
1066	>	}};
1067	>	for (int i = 0; i < 2; ++i)
1068	>	p.execute(task);
1069	>	for (int i = 0; i < 2; ++i) {
1070	>	try {
1071	>	p.execute(task);
1072	>	shouldThrow();
1073	>	} catch (RejectedExecutionException success) {}
1074	>	assertTrue(p.getTaskCount() <= 2);
1075	>	}
1076	>	done.countDown();
1077		}
375	–	catch (NullPointerException n2){}
1078		}
1079
1080	<	//---- Tests if threadFactory is set to null
1081	<	public void testNullPointerException3() {
1082	<	try{
1083	<	ThreadFactory f = null;
1084	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1085	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1080	>	/**
1081	>	* submit(runnable) throws RejectedExecutionException if saturated.
1082	>	*/
1083	>	public void testSaturatedSubmitRunnable() {
1084	>	final ThreadPoolExecutor p =
1085	>	new ThreadPoolExecutor(1, 1,
1086	>	LONG_DELAY_MS, MILLISECONDS,
1087	>	new ArrayBlockingQueue<Runnable>(1));
1088	>	try (PoolCleaner cleaner = cleaner(p)) {
1089	>	final CountDownLatch done = new CountDownLatch(1);
1090	>	Runnable task = new CheckedRunnable() {
1091	>	public void realRun() throws InterruptedException {
1092	>	done.await();
1093	>	}};
1094	>	for (int i = 0; i < 2; ++i)
1095	>	p.submit(task);
1096	>	for (int i = 0; i < 2; ++i) {
1097	>	try {
1098	>	p.execute(task);
1099	>	shouldThrow();
1100	>	} catch (RejectedExecutionException success) {}
1101	>	assertTrue(p.getTaskCount() <= 2);
1102	>	}
1103	>	done.countDown();
1104		}
385	–	catch (NullPointerException n3){}
1105		}
1106	<
1107	<
1108	<	//---- Tests if corePoolSize argument is less than zero
1109	<	public void testConstructor11() {
1110	<	try{
1111	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1112	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1106	>
1107	>	/**
1108	>	* submit(callable) throws RejectedExecutionException if saturated.
1109	>	*/
1110	>	public void testSaturatedSubmitCallable() {
1111	>	final ThreadPoolExecutor p =
1112	>	new ThreadPoolExecutor(1, 1,
1113	>	LONG_DELAY_MS, MILLISECONDS,
1114	>	new ArrayBlockingQueue<Runnable>(1));
1115	>	try (PoolCleaner cleaner = cleaner(p)) {
1116	>	final CountDownLatch done = new CountDownLatch(1);
1117	>	Runnable task = new CheckedRunnable() {
1118	>	public void realRun() throws InterruptedException {
1119	>	done.await();
1120	>	}};
1121	>	for (int i = 0; i < 2; ++i)
1122	>	p.submit(Executors.callable(task));
1123	>	for (int i = 0; i < 2; ++i) {
1124	>	try {
1125	>	p.execute(task);
1126	>	shouldThrow();
1127	>	} catch (RejectedExecutionException success) {}
1128	>	assertTrue(p.getTaskCount() <= 2);
1129	>	}
1130	>	done.countDown();
1131		}
395	–	catch (IllegalArgumentException i11){}
1132		}
1133
1134	<	//---- Tests if maximumPoolSize is less than zero
1135	<	public void testConstructor12() {
1136	<	try{
1137	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1138	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1134	>	/**
1135	>	* executor using CallerRunsPolicy runs task if saturated.
1136	>	*/
1137	>	public void testSaturatedExecute2() {
1138	>	final ThreadPoolExecutor p =
1139	>	new ThreadPoolExecutor(1, 1,
1140	>	LONG_DELAY_MS,
1141	>	MILLISECONDS,
1142	>	new ArrayBlockingQueue<Runnable>(1),
1143	>	new ThreadPoolExecutor.CallerRunsPolicy());
1144	>	try (PoolCleaner cleaner = cleaner(p)) {
1145	>	final CountDownLatch done = new CountDownLatch(1);
1146	>	Runnable blocker = new CheckedRunnable() {
1147	>	public void realRun() throws InterruptedException {
1148	>	done.await();
1149	>	}};
1150	>	p.execute(blocker);
1151	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1152	>	for (int i = 0; i < tasks.length; i++)
1153	>	tasks[i] = new TrackedNoOpRunnable();
1154	>	for (int i = 0; i < tasks.length; i++)
1155	>	p.execute(tasks[i]);
1156	>	for (int i = 1; i < tasks.length; i++)
1157	>	assertTrue(tasks[i].done);
1158	>	assertFalse(tasks[0].done); // waiting in queue
1159	>	done.countDown();
1160		}
404	–	catch (IllegalArgumentException i12){}
1161		}
1162
1163	<	//---- Tests if maximumPoolSize is equal to zero
1164	<	public void testConstructor13() {
1165	<	try{
1166	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1167	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1163	>	/**
1164	>	* executor using DiscardPolicy drops task if saturated.
1165	>	*/
1166	>	public void testSaturatedExecute3() {
1167	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1168	>	for (int i = 0; i < tasks.length; ++i)
1169	>	tasks[i] = new TrackedNoOpRunnable();
1170	>	final ThreadPoolExecutor p =
1171	>	new ThreadPoolExecutor(1, 1,
1172	>	LONG_DELAY_MS, MILLISECONDS,
1173	>	new ArrayBlockingQueue<Runnable>(1),
1174	>	new ThreadPoolExecutor.DiscardPolicy());
1175	>	try (PoolCleaner cleaner = cleaner(p)) {
1176	>	final CountDownLatch done = new CountDownLatch(1);
1177	>	p.execute(awaiter(done));
1178	>
1179	>	for (TrackedNoOpRunnable task : tasks)
1180	>	p.execute(task);
1181	>	for (int i = 1; i < tasks.length; i++)
1182	>	assertFalse(tasks[i].done);
1183	>	done.countDown();
1184	>	}
1185	>	for (int i = 1; i < tasks.length; i++)
1186	>	assertFalse(tasks[i].done);
1187	>	assertTrue(tasks[0].done); // was waiting in queue
1188	>	}
1189	>
1190	>	/**
1191	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1192	>	*/
1193	>	public void testSaturatedExecute4() {
1194	>	final CountDownLatch done = new CountDownLatch(1);
1195	>	LatchAwaiter r1 = awaiter(done);
1196	>	LatchAwaiter r2 = awaiter(done);
1197	>	LatchAwaiter r3 = awaiter(done);
1198	>	final ThreadPoolExecutor p =
1199	>	new ThreadPoolExecutor(1, 1,
1200	>	LONG_DELAY_MS, MILLISECONDS,
1201	>	new ArrayBlockingQueue<Runnable>(1),
1202	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1203	>	try (PoolCleaner cleaner = cleaner(p)) {
1204	>	assertEquals(LatchAwaiter.NEW, r1.state);
1205	>	assertEquals(LatchAwaiter.NEW, r2.state);
1206	>	assertEquals(LatchAwaiter.NEW, r3.state);
1207	>	p.execute(r1);
1208	>	p.execute(r2);
1209	>	assertTrue(p.getQueue().contains(r2));
1210	>	p.execute(r3);
1211	>	assertFalse(p.getQueue().contains(r2));
1212	>	assertTrue(p.getQueue().contains(r3));
1213	>	done.countDown();
1214	>	}
1215	>	assertEquals(LatchAwaiter.DONE, r1.state);
1216	>	assertEquals(LatchAwaiter.NEW, r2.state);
1217	>	assertEquals(LatchAwaiter.DONE, r3.state);
1218	>	}
1219	>
1220	>	/**
1221	>	* execute throws RejectedExecutionException if shutdown
1222	>	*/
1223	>	public void testRejectedExecutionExceptionOnShutdown() {
1224	>	final ThreadPoolExecutor p =
1225	>	new ThreadPoolExecutor(1, 1,
1226	>	LONG_DELAY_MS, MILLISECONDS,
1227	>	new ArrayBlockingQueue<Runnable>(1));
1228	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1229	>	try (PoolCleaner cleaner = cleaner(p)) {
1230	>	try {
1231	>	p.execute(new NoOpRunnable());
1232	>	shouldThrow();
1233	>	} catch (RejectedExecutionException success) {}
1234		}
413	–	catch (IllegalArgumentException i13){}
1235		}
1236
1237	<	//---- Tests if keepAliveTime is less than zero
1238	<	public void testConstructor14() {
1239	<	try{
1240	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1241	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1237	>	/**
1238	>	* execute using CallerRunsPolicy drops task on shutdown
1239	>	*/
1240	>	public void testCallerRunsOnShutdown() {
1241	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1242	>	final ThreadPoolExecutor p =
1243	>	new ThreadPoolExecutor(1, 1,
1244	>	LONG_DELAY_MS, MILLISECONDS,
1245	>	new ArrayBlockingQueue<Runnable>(1), h);
1246	>
1247	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1248	>	try (PoolCleaner cleaner = cleaner(p)) {
1249	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1250	>	p.execute(r);
1251	>	assertFalse(r.done);
1252		}
422	–	catch (IllegalArgumentException i14){}
1253		}
1254
1255	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1256	<	public void testConstructor15() {
1257	<	try{
1258	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1259	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1255	>	/**
1256	>	* execute using DiscardPolicy drops task on shutdown
1257	>	*/
1258	>	public void testDiscardOnShutdown() {
1259	>	final ThreadPoolExecutor p =
1260	>	new ThreadPoolExecutor(1, 1,
1261	>	LONG_DELAY_MS, MILLISECONDS,
1262	>	new ArrayBlockingQueue<Runnable>(1),
1263	>	new ThreadPoolExecutor.DiscardPolicy());
1264	>
1265	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1266	>	try (PoolCleaner cleaner = cleaner(p)) {
1267	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1268	>	p.execute(r);
1269	>	assertFalse(r.done);
1270		}
431	–	catch (IllegalArgumentException i15){}
1271		}
1272
1273	<	//---- Tests if workQueue is set to null
1274	<	public void testNullPointerException4() {
1275	<	try{
1276	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1277	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1273	>	/**
1274	>	* execute using DiscardOldestPolicy drops task on shutdown
1275	>	*/
1276	>	public void testDiscardOldestOnShutdown() {
1277	>	final ThreadPoolExecutor p =
1278	>	new ThreadPoolExecutor(1, 1,
1279	>	LONG_DELAY_MS, MILLISECONDS,
1280	>	new ArrayBlockingQueue<Runnable>(1),
1281	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1282	>
1283	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1284	>	try (PoolCleaner cleaner = cleaner(p)) {
1285	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1286	>	p.execute(r);
1287	>	assertFalse(r.done);
1288		}
440	–	catch (NullPointerException n4){}
1289		}
1290
1291	<	//---- Tests if handler is set to null
1292	<	public void testNullPointerException5() {
1293	<	try{
1294	<	RejectedExecutionHandler r = null;
1295	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1296	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1291	>	/**
1292	>	* execute(null) throws NPE
1293	>	*/
1294	>	public void testExecuteNull() {
1295	>	final ThreadPoolExecutor p =
1296	>	new ThreadPoolExecutor(1, 2,
1297	>	1L, SECONDS,
1298	>	new ArrayBlockingQueue<Runnable>(10));
1299	>	try (PoolCleaner cleaner = cleaner(p)) {
1300	>	try {
1301	>	p.execute(null);
1302	>	shouldThrow();
1303	>	} catch (NullPointerException success) {}
1304		}
450	–	catch (NullPointerException n5){}
1305		}
1306
1307	<
1308	<	//---- Tests if corePoolSize argument is less than zero
1309	<	public void testConstructor16() {
1310	<	try{
1311	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1312	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1307	>	/**
1308	>	* setCorePoolSize of negative value throws IllegalArgumentException
1309	>	*/
1310	>	public void testCorePoolSizeIllegalArgumentException() {
1311	>	final ThreadPoolExecutor p =
1312	>	new ThreadPoolExecutor(1, 2,
1313	>	LONG_DELAY_MS, MILLISECONDS,
1314	>	new ArrayBlockingQueue<Runnable>(10));
1315	>	try (PoolCleaner cleaner = cleaner(p)) {
1316	>	try {
1317	>	p.setCorePoolSize(-1);
1318	>	shouldThrow();
1319	>	} catch (IllegalArgumentException success) {}
1320		}
460	–	catch (IllegalArgumentException i16){}
1321		}
1322
1323	<	//---- Tests if maximumPoolSize is less than zero
1324	<	public void testConstructor17() {
1325	<	try{
1326	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1327	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1323	>	/**
1324	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1325	>	* given a value less the core pool size
1326	>	*/
1327	>	public void testMaximumPoolSizeIllegalArgumentException() {
1328	>	final ThreadPoolExecutor p =
1329	>	new ThreadPoolExecutor(2, 3,
1330	>	LONG_DELAY_MS, MILLISECONDS,
1331	>	new ArrayBlockingQueue<Runnable>(10));
1332	>	try (PoolCleaner cleaner = cleaner(p)) {
1333	>	try {
1334	>	p.setMaximumPoolSize(1);
1335	>	shouldThrow();
1336	>	} catch (IllegalArgumentException success) {}
1337		}
469	–	catch (IllegalArgumentException i17){}
1338		}
1339
1340	<	//---- Tests if maximumPoolSize is equal to zero
1341	<	public void testConstructor18() {
1342	<	try{
1343	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1344	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1340	>	/**
1341	>	* setMaximumPoolSize throws IllegalArgumentException
1342	>	* if given a negative value
1343	>	*/
1344	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1345	>	final ThreadPoolExecutor p =
1346	>	new ThreadPoolExecutor(2, 3,
1347	>	LONG_DELAY_MS, MILLISECONDS,
1348	>	new ArrayBlockingQueue<Runnable>(10));
1349	>	try (PoolCleaner cleaner = cleaner(p)) {
1350	>	try {
1351	>	p.setMaximumPoolSize(-1);
1352	>	shouldThrow();
1353	>	} catch (IllegalArgumentException success) {}
1354		}
478	–	catch (IllegalArgumentException i18){}
1355		}
1356
1357	<	//---- Tests if keepAliveTime is less than zero
1358	<	public void testConstructor19() {
1359	<	try{
1360	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1361	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1357	>	/**
1358	>	* Configuration changes that allow core pool size greater than
1359	>	* max pool size result in IllegalArgumentException.
1360	>	*/
1361	>	public void testPoolSizeInvariants() {
1362	>	final ThreadPoolExecutor p =
1363	>	new ThreadPoolExecutor(1, 1,
1364	>	LONG_DELAY_MS, MILLISECONDS,
1365	>	new ArrayBlockingQueue<Runnable>(10));
1366	>	try (PoolCleaner cleaner = cleaner(p)) {
1367	>	for (int s = 1; s < 5; s++) {
1368	>	p.setMaximumPoolSize(s);
1369	>	p.setCorePoolSize(s);
1370	>	try {
1371	>	p.setMaximumPoolSize(s - 1);
1372	>	shouldThrow();
1373	>	} catch (IllegalArgumentException success) {}
1374	>	assertEquals(s, p.getCorePoolSize());
1375	>	assertEquals(s, p.getMaximumPoolSize());
1376	>	try {
1377	>	p.setCorePoolSize(s + 1);
1378	>	shouldThrow();
1379	>	} catch (IllegalArgumentException success) {}
1380	>	assertEquals(s, p.getCorePoolSize());
1381	>	assertEquals(s, p.getMaximumPoolSize());
1382	>	}
1383	>	}
1384	>	}
1385	>
1386	>	/**
1387	>	* setKeepAliveTime throws IllegalArgumentException
1388	>	* when given a negative value
1389	>	*/
1390	>	public void testKeepAliveTimeIllegalArgumentException() {
1391	>	final ThreadPoolExecutor p =
1392	>	new ThreadPoolExecutor(2, 3,
1393	>	LONG_DELAY_MS, MILLISECONDS,
1394	>	new ArrayBlockingQueue<Runnable>(10));
1395	>	try (PoolCleaner cleaner = cleaner(p)) {
1396	>	try {
1397	>	p.setKeepAliveTime(-1, MILLISECONDS);
1398	>	shouldThrow();
1399	>	} catch (IllegalArgumentException success) {}
1400	>	}
1401	>	}
1402	>
1403	>	/**
1404	>	* terminated() is called on termination
1405	>	*/
1406	>	public void testTerminated() {
1407	>	ExtendedTPE p = new ExtendedTPE();
1408	>	try (PoolCleaner cleaner = cleaner(p)) {
1409	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1410	>	assertTrue(p.terminatedCalled());
1411	>	assertTrue(p.isShutdown());
1412	>	}
1413	>	}
1414	>
1415	>	/**
1416	>	* beforeExecute and afterExecute are called when executing task
1417	>	*/
1418	>	public void testBeforeAfter() throws InterruptedException {
1419	>	ExtendedTPE p = new ExtendedTPE();
1420	>	try (PoolCleaner cleaner = cleaner(p)) {
1421	>	final CountDownLatch done = new CountDownLatch(1);
1422	>	p.execute(new CheckedRunnable() {
1423	>	public void realRun() {
1424	>	done.countDown();
1425	>	}});
1426	>	await(p.afterCalled);
1427	>	assertEquals(0, done.getCount());
1428	>	assertTrue(p.afterCalled());
1429	>	assertTrue(p.beforeCalled());
1430	>	}
1431	>	}
1432	>
1433	>	/**
1434	>	* completed submit of callable returns result
1435	>	*/
1436	>	public void testSubmitCallable() throws Exception {
1437	>	final ExecutorService e =
1438	>	new ThreadPoolExecutor(2, 2,
1439	>	LONG_DELAY_MS, MILLISECONDS,
1440	>	new ArrayBlockingQueue<Runnable>(10));
1441	>	try (PoolCleaner cleaner = cleaner(e)) {
1442	>	Future<String> future = e.submit(new StringTask());
1443	>	String result = future.get();
1444	>	assertSame(TEST_STRING, result);
1445	>	}
1446	>	}
1447	>
1448	>	/**
1449	>	* completed submit of runnable returns successfully
1450	>	*/
1451	>	public void testSubmitRunnable() throws Exception {
1452	>	final ExecutorService e =
1453	>	new ThreadPoolExecutor(2, 2,
1454	>	LONG_DELAY_MS, MILLISECONDS,
1455	>	new ArrayBlockingQueue<Runnable>(10));
1456	>	try (PoolCleaner cleaner = cleaner(e)) {
1457	>	Future<?> future = e.submit(new NoOpRunnable());
1458	>	future.get();
1459	>	assertTrue(future.isDone());
1460	>	}
1461	>	}
1462	>
1463	>	/**
1464	>	* completed submit of (runnable, result) returns result
1465	>	*/
1466	>	public void testSubmitRunnable2() throws Exception {
1467	>	final ExecutorService e =
1468	>	new ThreadPoolExecutor(2, 2,
1469	>	LONG_DELAY_MS, MILLISECONDS,
1470	>	new ArrayBlockingQueue<Runnable>(10));
1471	>	try (PoolCleaner cleaner = cleaner(e)) {
1472	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1473	>	String result = future.get();
1474	>	assertSame(TEST_STRING, result);
1475	>	}
1476	>	}
1477	>
1478	>	/**
1479	>	* invokeAny(null) throws NPE
1480	>	*/
1481	>	public void testInvokeAny1() throws Exception {
1482	>	final ExecutorService e =
1483	>	new ThreadPoolExecutor(2, 2,
1484	>	LONG_DELAY_MS, MILLISECONDS,
1485	>	new ArrayBlockingQueue<Runnable>(10));
1486	>	try (PoolCleaner cleaner = cleaner(e)) {
1487	>	try {
1488	>	e.invokeAny(null);
1489	>	shouldThrow();
1490	>	} catch (NullPointerException success) {}
1491	>	}
1492	>	}
1493	>
1494	>	/**
1495	>	* invokeAny(empty collection) throws IAE
1496	>	*/
1497	>	public void testInvokeAny2() throws Exception {
1498	>	final ExecutorService e =
1499	>	new ThreadPoolExecutor(2, 2,
1500	>	LONG_DELAY_MS, MILLISECONDS,
1501	>	new ArrayBlockingQueue<Runnable>(10));
1502	>	try (PoolCleaner cleaner = cleaner(e)) {
1503	>	try {
1504	>	e.invokeAny(new ArrayList<Callable<String>>());
1505	>	shouldThrow();
1506	>	} catch (IllegalArgumentException success) {}
1507	>	}
1508	>	}
1509	>
1510	>	/**
1511	>	* invokeAny(c) throws NPE if c has null elements
1512	>	*/
1513	>	public void testInvokeAny3() throws Exception {
1514	>	final CountDownLatch latch = new CountDownLatch(1);
1515	>	final ExecutorService e =
1516	>	new ThreadPoolExecutor(2, 2,
1517	>	LONG_DELAY_MS, MILLISECONDS,
1518	>	new ArrayBlockingQueue<Runnable>(10));
1519	>	try (PoolCleaner cleaner = cleaner(e)) {
1520	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1521	>	l.add(latchAwaitingStringTask(latch));
1522	>	l.add(null);
1523	>	try {
1524	>	e.invokeAny(l);
1525	>	shouldThrow();
1526	>	} catch (NullPointerException success) {}
1527	>	latch.countDown();
1528	>	}
1529	>	}
1530	>
1531	>	/**
1532	>	* invokeAny(c) throws ExecutionException if no task completes
1533	>	*/
1534	>	public void testInvokeAny4() throws Exception {
1535	>	final ExecutorService e =
1536	>	new ThreadPoolExecutor(2, 2,
1537	>	LONG_DELAY_MS, MILLISECONDS,
1538	>	new ArrayBlockingQueue<Runnable>(10));
1539	>	try (PoolCleaner cleaner = cleaner(e)) {
1540	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1541	>	l.add(new NPETask());
1542	>	try {
1543	>	e.invokeAny(l);
1544	>	shouldThrow();
1545	>	} catch (ExecutionException success) {
1546	>	assertTrue(success.getCause() instanceof NullPointerException);
1547	>	}
1548	>	}
1549	>	}
1550	>
1551	>	/**
1552	>	* invokeAny(c) returns result of some task
1553	>	*/
1554	>	public void testInvokeAny5() throws Exception {
1555	>	final ExecutorService e =
1556	>	new ThreadPoolExecutor(2, 2,
1557	>	LONG_DELAY_MS, MILLISECONDS,
1558	>	new ArrayBlockingQueue<Runnable>(10));
1559	>	try (PoolCleaner cleaner = cleaner(e)) {
1560	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1561	>	l.add(new StringTask());
1562	>	l.add(new StringTask());
1563	>	String result = e.invokeAny(l);
1564	>	assertSame(TEST_STRING, result);
1565	>	}
1566	>	}
1567	>
1568	>	/**
1569	>	* invokeAll(null) throws NPE
1570	>	*/
1571	>	public void testInvokeAll1() throws Exception {
1572	>	final ExecutorService e =
1573	>	new ThreadPoolExecutor(2, 2,
1574	>	LONG_DELAY_MS, MILLISECONDS,
1575	>	new ArrayBlockingQueue<Runnable>(10));
1576	>	try (PoolCleaner cleaner = cleaner(e)) {
1577	>	try {
1578	>	e.invokeAll(null);
1579	>	shouldThrow();
1580	>	} catch (NullPointerException success) {}
1581	>	}
1582	>	}
1583	>
1584	>	/**
1585	>	* invokeAll(empty collection) returns empty collection
1586	>	*/
1587	>	public void testInvokeAll2() throws InterruptedException {
1588	>	final ExecutorService e =
1589	>	new ThreadPoolExecutor(2, 2,
1590	>	LONG_DELAY_MS, MILLISECONDS,
1591	>	new ArrayBlockingQueue<Runnable>(10));
1592	>	try (PoolCleaner cleaner = cleaner(e)) {
1593	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1594	>	assertTrue(r.isEmpty());
1595	>	}
1596	>	}
1597	>
1598	>	/**
1599	>	* invokeAll(c) throws NPE if c has null elements
1600	>	*/
1601	>	public void testInvokeAll3() throws Exception {
1602	>	final ExecutorService e =
1603	>	new ThreadPoolExecutor(2, 2,
1604	>	LONG_DELAY_MS, MILLISECONDS,
1605	>	new ArrayBlockingQueue<Runnable>(10));
1606	>	try (PoolCleaner cleaner = cleaner(e)) {
1607	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1608	>	l.add(new StringTask());
1609	>	l.add(null);
1610	>	try {
1611	>	e.invokeAll(l);
1612	>	shouldThrow();
1613	>	} catch (NullPointerException success) {}
1614	>	}
1615	>	}
1616	>
1617	>	/**
1618	>	* get of element of invokeAll(c) throws exception on failed task
1619	>	*/
1620	>	public void testInvokeAll4() throws Exception {
1621	>	final ExecutorService e =
1622	>	new ThreadPoolExecutor(2, 2,
1623	>	LONG_DELAY_MS, MILLISECONDS,
1624	>	new ArrayBlockingQueue<Runnable>(10));
1625	>	try (PoolCleaner cleaner = cleaner(e)) {
1626	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1627	>	l.add(new NPETask());
1628	>	List<Future<String>> futures = e.invokeAll(l);
1629	>	assertEquals(1, futures.size());
1630	>	try {
1631	>	futures.get(0).get();
1632	>	shouldThrow();
1633	>	} catch (ExecutionException success) {
1634	>	assertTrue(success.getCause() instanceof NullPointerException);
1635	>	}
1636	>	}
1637	>	}
1638	>
1639	>	/**
1640	>	* invokeAll(c) returns results of all completed tasks
1641	>	*/
1642	>	public void testInvokeAll5() throws Exception {
1643	>	final ExecutorService e =
1644	>	new ThreadPoolExecutor(2, 2,
1645	>	LONG_DELAY_MS, MILLISECONDS,
1646	>	new ArrayBlockingQueue<Runnable>(10));
1647	>	try (PoolCleaner cleaner = cleaner(e)) {
1648	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1649	>	l.add(new StringTask());
1650	>	l.add(new StringTask());
1651	>	List<Future<String>> futures = e.invokeAll(l);
1652	>	assertEquals(2, futures.size());
1653	>	for (Future<String> future : futures)
1654	>	assertSame(TEST_STRING, future.get());
1655	>	}
1656	>	}
1657	>
1658	>	/**
1659	>	* timed invokeAny(null) throws NPE
1660	>	*/
1661	>	public void testTimedInvokeAny1() throws Exception {
1662	>	final ExecutorService e =
1663	>	new ThreadPoolExecutor(2, 2,
1664	>	LONG_DELAY_MS, MILLISECONDS,
1665	>	new ArrayBlockingQueue<Runnable>(10));
1666	>	try (PoolCleaner cleaner = cleaner(e)) {
1667	>	try {
1668	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1669	>	shouldThrow();
1670	>	} catch (NullPointerException success) {}
1671	>	}
1672	>	}
1673	>
1674	>	/**
1675	>	* timed invokeAny(,,null) throws NPE
1676	>	*/
1677	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1678	>	final ExecutorService e =
1679	>	new ThreadPoolExecutor(2, 2,
1680	>	LONG_DELAY_MS, MILLISECONDS,
1681	>	new ArrayBlockingQueue<Runnable>(10));
1682	>	try (PoolCleaner cleaner = cleaner(e)) {
1683	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1684	>	l.add(new StringTask());
1685	>	try {
1686	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1687	>	shouldThrow();
1688	>	} catch (NullPointerException success) {}
1689	>	}
1690	>	}
1691	>
1692	>	/**
1693	>	* timed invokeAny(empty collection) throws IAE
1694	>	*/
1695	>	public void testTimedInvokeAny2() throws Exception {
1696	>	final ExecutorService e =
1697	>	new ThreadPoolExecutor(2, 2,
1698	>	LONG_DELAY_MS, MILLISECONDS,
1699	>	new ArrayBlockingQueue<Runnable>(10));
1700	>	try (PoolCleaner cleaner = cleaner(e)) {
1701	>	try {
1702	>	e.invokeAny(new ArrayList<Callable<String>>(),
1703	>	MEDIUM_DELAY_MS, MILLISECONDS);
1704	>	shouldThrow();
1705	>	} catch (IllegalArgumentException success) {}
1706	>	}
1707	>	}
1708	>
1709	>	/**
1710	>	* timed invokeAny(c) throws NPE if c has null elements
1711	>	*/
1712	>	public void testTimedInvokeAny3() throws Exception {
1713	>	final CountDownLatch latch = new CountDownLatch(1);
1714	>	final ExecutorService e =
1715	>	new ThreadPoolExecutor(2, 2,
1716	>	LONG_DELAY_MS, MILLISECONDS,
1717	>	new ArrayBlockingQueue<Runnable>(10));
1718	>	try (PoolCleaner cleaner = cleaner(e)) {
1719	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1720	>	l.add(latchAwaitingStringTask(latch));
1721	>	l.add(null);
1722	>	try {
1723	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1724	>	shouldThrow();
1725	>	} catch (NullPointerException success) {}
1726	>	latch.countDown();
1727	>	}
1728	>	}
1729	>
1730	>	/**
1731	>	* timed invokeAny(c) throws ExecutionException if no task completes
1732	>	*/
1733	>	public void testTimedInvokeAny4() throws Exception {
1734	>	final ExecutorService e =
1735	>	new ThreadPoolExecutor(2, 2,
1736	>	LONG_DELAY_MS, MILLISECONDS,
1737	>	new ArrayBlockingQueue<Runnable>(10));
1738	>	try (PoolCleaner cleaner = cleaner(e)) {
1739	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1740	>	l.add(new NPETask());
1741	>	try {
1742	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1743	>	shouldThrow();
1744	>	} catch (ExecutionException success) {
1745	>	assertTrue(success.getCause() instanceof NullPointerException);
1746	>	}
1747	>	}
1748	>	}
1749	>
1750	>	/**
1751	>	* timed invokeAny(c) returns result of some task
1752	>	*/
1753	>	public void testTimedInvokeAny5() throws Exception {
1754	>	final ExecutorService e =
1755	>	new ThreadPoolExecutor(2, 2,
1756	>	LONG_DELAY_MS, MILLISECONDS,
1757	>	new ArrayBlockingQueue<Runnable>(10));
1758	>	try (PoolCleaner cleaner = cleaner(e)) {
1759	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1760	>	l.add(new StringTask());
1761	>	l.add(new StringTask());
1762	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1763	>	assertSame(TEST_STRING, result);
1764	>	}
1765	>	}
1766	>
1767	>	/**
1768	>	* timed invokeAll(null) throws NPE
1769	>	*/
1770	>	public void testTimedInvokeAll1() throws Exception {
1771	>	final ExecutorService e =
1772	>	new ThreadPoolExecutor(2, 2,
1773	>	LONG_DELAY_MS, MILLISECONDS,
1774	>	new ArrayBlockingQueue<Runnable>(10));
1775	>	try (PoolCleaner cleaner = cleaner(e)) {
1776	>	try {
1777	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1778	>	shouldThrow();
1779	>	} catch (NullPointerException success) {}
1780	>	}
1781	>	}
1782	>
1783	>	/**
1784	>	* timed invokeAll(,,null) throws NPE
1785	>	*/
1786	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1787	>	final ExecutorService e =
1788	>	new ThreadPoolExecutor(2, 2,
1789	>	LONG_DELAY_MS, MILLISECONDS,
1790	>	new ArrayBlockingQueue<Runnable>(10));
1791	>	try (PoolCleaner cleaner = cleaner(e)) {
1792	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1793	>	l.add(new StringTask());
1794	>	try {
1795	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1796	>	shouldThrow();
1797	>	} catch (NullPointerException success) {}
1798	>	}
1799	>	}
1800	>
1801	>	/**
1802	>	* timed invokeAll(empty collection) returns empty collection
1803	>	*/
1804	>	public void testTimedInvokeAll2() throws InterruptedException {
1805	>	final ExecutorService e =
1806	>	new ThreadPoolExecutor(2, 2,
1807	>	LONG_DELAY_MS, MILLISECONDS,
1808	>	new ArrayBlockingQueue<Runnable>(10));
1809	>	try (PoolCleaner cleaner = cleaner(e)) {
1810	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1811	>	MEDIUM_DELAY_MS, MILLISECONDS);
1812	>	assertTrue(r.isEmpty());
1813	>	}
1814	>	}
1815	>
1816	>	/**
1817	>	* timed invokeAll(c) throws NPE if c has null elements
1818	>	*/
1819	>	public void testTimedInvokeAll3() throws Exception {
1820	>	final ExecutorService e =
1821	>	new ThreadPoolExecutor(2, 2,
1822	>	LONG_DELAY_MS, MILLISECONDS,
1823	>	new ArrayBlockingQueue<Runnable>(10));
1824	>	try (PoolCleaner cleaner = cleaner(e)) {
1825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1826	>	l.add(new StringTask());
1827	>	l.add(null);
1828	>	try {
1829	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1830	>	shouldThrow();
1831	>	} catch (NullPointerException success) {}
1832	>	}
1833	>	}
1834	>
1835	>	/**
1836	>	* get of element of invokeAll(c) throws exception on failed task
1837	>	*/
1838	>	public void testTimedInvokeAll4() throws Exception {
1839	>	final ExecutorService e =
1840	>	new ThreadPoolExecutor(2, 2,
1841	>	LONG_DELAY_MS, MILLISECONDS,
1842	>	new ArrayBlockingQueue<Runnable>(10));
1843	>	try (PoolCleaner cleaner = cleaner(e)) {
1844	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1845	>	l.add(new NPETask());
1846	>	List<Future<String>> futures =
1847	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1848	>	assertEquals(1, futures.size());
1849	>	try {
1850	>	futures.get(0).get();
1851	>	shouldThrow();
1852	>	} catch (ExecutionException success) {
1853	>	assertTrue(success.getCause() instanceof NullPointerException);
1854	>	}
1855	>	}
1856	>	}
1857	>
1858	>	/**
1859	>	* timed invokeAll(c) returns results of all completed tasks
1860	>	*/
1861	>	public void testTimedInvokeAll5() throws Exception {
1862	>	final ExecutorService e =
1863	>	new ThreadPoolExecutor(2, 2,
1864	>	LONG_DELAY_MS, MILLISECONDS,
1865	>	new ArrayBlockingQueue<Runnable>(10));
1866	>	try (PoolCleaner cleaner = cleaner(e)) {
1867	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1868	>	l.add(new StringTask());
1869	>	l.add(new StringTask());
1870	>	List<Future<String>> futures =
1871	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1872	>	assertEquals(2, futures.size());
1873	>	for (Future<String> future : futures)
1874	>	assertSame(TEST_STRING, future.get());
1875	>	}
1876	>	}
1877	>
1878	>	/**
1879	>	* timed invokeAll(c) cancels tasks not completed by timeout
1880	>	*/
1881	>	public void testTimedInvokeAll6() throws Exception {
1882	>	final ExecutorService e =
1883	>	new ThreadPoolExecutor(2, 2,
1884	>	LONG_DELAY_MS, MILLISECONDS,
1885	>	new ArrayBlockingQueue<Runnable>(10));
1886	>	try (PoolCleaner cleaner = cleaner(e)) {
1887	>	for (long timeout = timeoutMillis();;) {
1888	>	List<Callable<String>> tasks = new ArrayList<>();
1889	>	tasks.add(new StringTask("0"));
1890	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1891	>	tasks.add(new StringTask("2"));
1892	>	long startTime = System.nanoTime();
1893	>	List<Future<String>> futures =
1894	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1895	>	assertEquals(tasks.size(), futures.size());
1896	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1897	>	for (Future future : futures)
1898	>	assertTrue(future.isDone());
1899	>	assertTrue(futures.get(1).isCancelled());
1900	>	try {
1901	>	assertEquals("0", futures.get(0).get());
1902	>	assertEquals("2", futures.get(2).get());
1903	>	break;
1904	>	} catch (CancellationException retryWithLongerTimeout) {
1905	>	timeout *= 2;
1906	>	if (timeout >= LONG_DELAY_MS / 2)
1907	>	fail("expected exactly one task to be cancelled");
1908	>	}
1909	>	}
1910	>	}
1911	>	}
1912	>
1913	>	/**
1914	>	* Execution continues if there is at least one thread even if
1915	>	* thread factory fails to create more
1916	>	*/
1917	>	public void testFailingThreadFactory() throws InterruptedException {
1918	>	final ExecutorService e =
1919	>	new ThreadPoolExecutor(100, 100,
1920	>	LONG_DELAY_MS, MILLISECONDS,
1921	>	new LinkedBlockingQueue<Runnable>(),
1922	>	new FailingThreadFactory());
1923	>	try (PoolCleaner cleaner = cleaner(e)) {
1924	>	final int TASKS = 100;
1925	>	final CountDownLatch done = new CountDownLatch(TASKS);
1926	>	for (int k = 0; k < TASKS; ++k)
1927	>	e.execute(new CheckedRunnable() {
1928	>	public void realRun() {
1929	>	done.countDown();
1930	>	}});
1931	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1932	>	}
1933	>	}
1934	>
1935	>	/**
1936	>	* allowsCoreThreadTimeOut is by default false.
1937	>	*/
1938	>	public void testAllowsCoreThreadTimeOut() {
1939	>	final ThreadPoolExecutor p =
1940	>	new ThreadPoolExecutor(2, 2,
1941	>	1000, MILLISECONDS,
1942	>	new ArrayBlockingQueue<Runnable>(10));
1943	>	try (PoolCleaner cleaner = cleaner(p)) {
1944	>	assertFalse(p.allowsCoreThreadTimeOut());
1945	>	}
1946	>	}
1947	>
1948	>	/**
1949	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1950	>	*/
1951	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1952	>	long keepAliveTime = timeoutMillis();
1953	>	final ThreadPoolExecutor p =
1954	>	new ThreadPoolExecutor(2, 10,
1955	>	keepAliveTime, MILLISECONDS,
1956	>	new ArrayBlockingQueue<Runnable>(10));
1957	>	try (PoolCleaner cleaner = cleaner(p)) {
1958	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1959	>	p.allowCoreThreadTimeOut(true);
1960	>	p.execute(new CheckedRunnable() {
1961	>	public void realRun() {
1962	>	threadStarted.countDown();
1963	>	assertEquals(1, p.getPoolSize());
1964	>	}});
1965	>	await(threadStarted);
1966	>	delay(keepAliveTime);
1967	>	long startTime = System.nanoTime();
1968	>	while (p.getPoolSize() > 0
1969	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1970	>	Thread.yield();
1971	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1972	>	assertEquals(0, p.getPoolSize());
1973	>	}
1974	>	}
1975	>
1976	>	/**
1977	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1978	>	*/
1979	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1980	>	long keepAliveTime = timeoutMillis();
1981	>	final ThreadPoolExecutor p =
1982	>	new ThreadPoolExecutor(2, 10,
1983	>	keepAliveTime, MILLISECONDS,
1984	>	new ArrayBlockingQueue<Runnable>(10));
1985	>	try (PoolCleaner cleaner = cleaner(p)) {
1986	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1987	>	p.allowCoreThreadTimeOut(false);
1988	>	p.execute(new CheckedRunnable() {
1989	>	public void realRun() throws InterruptedException {
1990	>	threadStarted.countDown();
1991	>	assertTrue(p.getPoolSize() >= 1);
1992	>	}});
1993	>	delay(2 * keepAliveTime);
1994	>	assertTrue(p.getPoolSize() >= 1);
1995	>	}
1996	>	}
1997	>
1998	>	/**
1999	>	* execute allows the same task to be submitted multiple times, even
2000	>	* if rejected
2001	>	*/
2002	>	public void testRejectedRecycledTask() throws InterruptedException {
2003	>	final int nTasks = 1000;
2004	>	final CountDownLatch done = new CountDownLatch(nTasks);
2005	>	final Runnable recycledTask = new Runnable() {
2006	>	public void run() {
2007	>	done.countDown();
2008	>	}};
2009	>	final ThreadPoolExecutor p =
2010	>	new ThreadPoolExecutor(1, 30,
2011	>	60, SECONDS,
2012	>	new ArrayBlockingQueue(30));
2013	>	try (PoolCleaner cleaner = cleaner(p)) {
2014	>	for (int i = 0; i < nTasks; ++i) {
2015	>	for (;;) {
2016	>	try {
2017	>	p.execute(recycledTask);
2018	>	break;
2019	>	}
2020	>	catch (RejectedExecutionException ignore) {}
2021	>	}
2022	>	}
2023	>	// enough time to run all tasks
2024	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2025	>	}
2026	>	}
2027	>
2028	>	/**
2029	>	* get(cancelled task) throws CancellationException
2030	>	*/
2031	>	public void testGet_cancelled() throws Exception {
2032	>	final ExecutorService e =
2033	>	new ThreadPoolExecutor(1, 1,
2034	>	LONG_DELAY_MS, MILLISECONDS,
2035	>	new LinkedBlockingQueue<Runnable>());
2036	>	try (PoolCleaner cleaner = cleaner(e)) {
2037	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2038	>	final CountDownLatch done = new CountDownLatch(1);
2039	>	final List<Future<?>> futures = new ArrayList<>();
2040	>	for (int i = 0; i < 2; i++) {
2041	>	Runnable r = new CheckedRunnable() { public void realRun()
2042	>	throws Throwable {
2043	>	blockerStarted.countDown();
2044	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2045	>	}};
2046	>	futures.add(e.submit(r));
2047	>	}
2048	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2049	>	for (Future<?> future : futures) future.cancel(false);
2050	>	for (Future<?> future : futures) {
2051	>	try {
2052	>	future.get();
2053	>	shouldThrow();
2054	>	} catch (CancellationException success) {}
2055	>	try {
2056	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2057	>	shouldThrow();
2058	>	} catch (CancellationException success) {}
2059	>	assertTrue(future.isCancelled());
2060	>	assertTrue(future.isDone());
2061	>	}
2062	>	done.countDown();
2063		}
487	–	catch (IllegalArgumentException i19){}
2064		}
2065
490	–	//---- Tests if corePoolSize is greater than the maximumPoolSize
491	–	public void testConstructor20() {
492	–	try{
493	–	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
494	–	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
495	–	}
496	–	catch (IllegalArgumentException i20){}
497	–	}
498	–
499	–	//---- Tests if workQueue is set to null
500	–	public void testNullPointerException6() {
501	–	try{
502	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
503	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
504	–	}
505	–	catch (NullPointerException n6){}
506	–	}
507	–
508	–	//---- Tests if handler is set to null
509	–	public void testNullPointerException7() {
510	–	try{
511	–	RejectedExecutionHandler r = null;
512	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
513	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
514	–	}
515	–	catch (NullPointerException n7){}
516	–	}
517	–
518	–	//---- Tests if ThradFactory is set top null
519	–	public void testNullPointerException8() {
520	–	try{
521	–	ThreadFactory f = null;
522	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
523	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
524	–	}
525	–	catch (NullPointerException n8){}
526	–	}
527	–
528	–
529	–	/**
530	–	*  Test to verify execute will throw RejectedExcutionException
531	–	*  ThreadPoolExecutor will throw one when more runnables are
532	–	*  executed then will fit in the Queue.
533	–	*/
534	–	public void testRejectedExecutedException(){
535	–	ThreadPoolExecutor tpe = null;
536	–	try{
537	–	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
538	–	}catch(Exception e){}
539	–	tpe.shutdown();
540	–	try{
541	–	tpe.execute(new Runnable(){
542	–	public void run(){
543	–	try{
544	–	Thread.sleep(1000);
545	–	}catch(InterruptedException e){}
546	–	}
547	–	});
548	–	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	–	}catch(RejectedExecutionException sucess){}
550	–
551	–
552	–	}
553	–
554	–	/**
555	–	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	–	*  when given a negative
557	–	*/
558	–	public void testIllegalArgumentException1(){
559	–	ThreadPoolExecutor tpe = null;
560	–	try{
561	–	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562	–	}catch(Exception e){}
563	–	try{
564	–	tpe.setCorePoolSize(-1);
565	–	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
566	–	}catch(IllegalArgumentException sucess){
567	–	} finally {
568	–	tpe.shutdown();
569	–	}
570	–	}
571	–
572	–
573	–	/**
574	–	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
575	–	*  if given a value less the it's actual core pool size
576	–	*/
577	–	public void testIllegalArgumentException2(){
578	–	ThreadPoolExecutor tpe = null;
579	–	try{
580	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
581	–	}catch(Exception e){}
582	–	try{
583	–	tpe.setMaximumPoolSize(1);
584	–	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
585	–	}catch(IllegalArgumentException sucess){
586	–	} finally {
587	–	tpe.shutdown();
588	–	}
589	–	}
590	–
591	–	/**
592	–	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	–	*  if given a negative number
594	–	*/
595	–	public void testIllegalArgumentException2SP(){
596	–	ThreadPoolExecutor tpe = null;
597	–	try{
598	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
599	–	}catch(Exception e){}
600	–	try{
601	–	tpe.setMaximumPoolSize(-1);
602	–	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
603	–	}catch(IllegalArgumentException sucess){
604	–	} finally {
605	–	tpe.shutdown();
606	–	}
607	–	}
608	–
609	–
610	–	/**
611	–	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	–	*  when given a negative value
613	–	*/
614	–	public void testIllegalArgumentException3(){
615	–	ThreadPoolExecutor tpe = null;
616	–	try{
617	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
618	–	}catch(Exception e){}
619	–
620	–	try{
621	–	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
622	–	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
623	–	}catch(IllegalArgumentException sucess){
624	–	} finally {
625	–	tpe.shutdown();
626	–	}
627	–	}
628	–
629	–
630	–
2066		}

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