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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.122 by jsr166, Sat Jul 15 18:42:01 2017 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.Collection;
15	>	import java.util.Collections;
16		import java.util.List;
17	+	import java.util.concurrent.ArrayBlockingQueue;
18	+	import java.util.concurrent.BlockingQueue;
19	+	import java.util.concurrent.Callable;
20	+	import java.util.concurrent.CancellationException;
21	+	import java.util.concurrent.CountDownLatch;
22	+	import java.util.concurrent.ExecutionException;
23	+	import java.util.concurrent.ExecutorService;
24	+	import java.util.concurrent.Future;
25	+	import java.util.concurrent.FutureTask;
26	+	import java.util.concurrent.LinkedBlockingQueue;
27	+	import java.util.concurrent.RejectedExecutionException;
28	+	import java.util.concurrent.RejectedExecutionHandler;
29	+	import java.util.concurrent.SynchronousQueue;
30	+	import java.util.concurrent.ThreadFactory;
31	+	import java.util.concurrent.ThreadPoolExecutor;
32	+	import java.util.concurrent.ThreadPoolExecutor.AbortPolicy;
33	+	import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
34	+	import java.util.concurrent.ThreadPoolExecutor.DiscardPolicy;
35	+	import java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy;
36	+	import java.util.concurrent.atomic.AtomicInteger;
37	+	import java.util.concurrent.atomic.AtomicReference;
38
39	<	public class ThreadPoolExecutorTest extends TestCase{
39	>	import junit.framework.Test;
40	>	import junit.framework.TestSuite;
41	>
42	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
43		public static void main(String[] args) {
44	<	junit.textui.TestRunner.run (suite());
44	>	main(suite(), args);
45		}
16	–
17	–
46		public static Test suite() {
47		return new TestSuite(ThreadPoolExecutorTest.class);
48		}
49	<
50	<	private static long SHORT_DELAY_MS = 100;
51	<	private static long MEDIUM_DELAY_MS = 1000;
52	<	private static long LONG_DELAY_MS = 10000;
53	<
54	<	//---- testThread class to implement ThreadFactory for use in constructors
55	<	static class testThread implements ThreadFactory{
56	<	public Thread newThread(Runnable r){
49	>
50	>	static class ExtendedTPE extends ThreadPoolExecutor {
51	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
52	>	final CountDownLatch afterCalled = new CountDownLatch(1);
53	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
54	>
55	>	public ExtendedTPE() {
56	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
57	>	}
58	>	protected void beforeExecute(Thread t, Runnable r) {
59	>	beforeCalled.countDown();
60	>	}
61	>	protected void afterExecute(Runnable r, Throwable t) {
62	>	afterCalled.countDown();
63	>	}
64	>	protected void terminated() {
65	>	terminatedCalled.countDown();
66	>	}
67	>
68	>	public boolean beforeCalled() {
69	>	return beforeCalled.getCount() == 0;
70	>	}
71	>	public boolean afterCalled() {
72	>	return afterCalled.getCount() == 0;
73	>	}
74	>	public boolean terminatedCalled() {
75	>	return terminatedCalled.getCount() == 0;
76	>	}
77	>	}
78	>
79	>	static class FailingThreadFactory implements ThreadFactory {
80	>	int calls = 0;
81	>	public Thread newThread(Runnable r) {
82	>	if (++calls > 1) return null;
83		return new Thread(r);
84	<	}
84	>	}
85		}
86
87	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
88	<	static class testReject implements RejectedExecutionHandler{
89	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
87	>	/**
88	>	* execute successfully executes a runnable
89	>	*/
90	>	public void testExecute() throws InterruptedException {
91	>	final ThreadPoolExecutor p =
92	>	new ThreadPoolExecutor(1, 1,
93	>	LONG_DELAY_MS, MILLISECONDS,
94	>	new ArrayBlockingQueue<Runnable>(10));
95	>	try (PoolCleaner cleaner = cleaner(p)) {
96	>	final CountDownLatch done = new CountDownLatch(1);
97	>	final Runnable task = new CheckedRunnable() {
98	>	public void realRun() { done.countDown(); }};
99	>	p.execute(task);
100	>	await(done);
101	>	}
102		}
103
104	<	public Runnable newRunnable(){
105	<	return new Runnable(){
106	<	public void run(){
107	<	try{Thread.sleep(MEDIUM_DELAY_MS);
108	<	} catch(Exception e){
109	<	}
110	<	}
111	<	};
104	>	/**
105	>	* getActiveCount increases but doesn't overestimate, when a
106	>	* thread becomes active
107	>	*/
108	>	public void testGetActiveCount() throws InterruptedException {
109	>	final CountDownLatch done = new CountDownLatch(1);
110	>	final ThreadPoolExecutor p =
111	>	new ThreadPoolExecutor(2, 2,
112	>	LONG_DELAY_MS, MILLISECONDS,
113	>	new ArrayBlockingQueue<Runnable>(10));
114	>	try (PoolCleaner cleaner = cleaner(p, done)) {
115	>	final CountDownLatch threadStarted = new CountDownLatch(1);
116	>	assertEquals(0, p.getActiveCount());
117	>	p.execute(new CheckedRunnable() {
118	>	public void realRun() throws InterruptedException {
119	>	threadStarted.countDown();
120	>	assertEquals(1, p.getActiveCount());
121	>	await(done);
122	>	}});
123	>	await(threadStarted);
124	>	assertEquals(1, p.getActiveCount());
125	>	}
126		}
127
48	–
128		/**
129	<	*  Test to verify that execute successfully executes a runnable
129	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
130		*/
131	<	public void testExecute(){
132	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
133	<	try {
134	<	one.execute(new Runnable(){
135	<	public void run(){
136	<	try{
137	<	Thread.sleep(SHORT_DELAY_MS);
138	<	} catch(InterruptedException e){
139	<	fail("unexpected exception");
140	<	}
141	<	}
142	<	});
143	<	Thread.sleep(SHORT_DELAY_MS * 2);
144	<	} catch(InterruptedException e){
145	<	fail("unexpected exception");
146	<	} finally {
147	<	one.shutdown();
131	>	public void testPrestartCoreThread() {
132	>	final ThreadPoolExecutor p =
133	>	new ThreadPoolExecutor(2, 6,
134	>	LONG_DELAY_MS, MILLISECONDS,
135	>	new ArrayBlockingQueue<Runnable>(10));
136	>	try (PoolCleaner cleaner = cleaner(p)) {
137	>	assertEquals(0, p.getPoolSize());
138	>	assertTrue(p.prestartCoreThread());
139	>	assertEquals(1, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(2, p.getPoolSize());
142	>	assertFalse(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	p.setCorePoolSize(4);
145	>	assertTrue(p.prestartCoreThread());
146	>	assertEquals(3, p.getPoolSize());
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(4, p.getPoolSize());
149	>	assertFalse(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151		}
152		}
153
154		/**
155	<	*  Test to verify getActiveCount gives correct values
155	>	* prestartAllCoreThreads starts all corePoolSize threads
156		*/
157	<	public void testGetActiveCount(){
158	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
159	<	try {
160	<	assertEquals(0, two.getActiveCount());
161	<	two.execute(newRunnable());
162	<	try{Thread.sleep(10);} catch(Exception e){}
163	<	assertEquals(1, two.getActiveCount());
164	<	} finally {
165	<	two.shutdown();
157	>	public void testPrestartAllCoreThreads() {
158	>	final ThreadPoolExecutor p =
159	>	new ThreadPoolExecutor(2, 6,
160	>	LONG_DELAY_MS, MILLISECONDS,
161	>	new ArrayBlockingQueue<Runnable>(10));
162	>	try (PoolCleaner cleaner = cleaner(p)) {
163	>	assertEquals(0, p.getPoolSize());
164	>	p.prestartAllCoreThreads();
165	>	assertEquals(2, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.setCorePoolSize(4);
169	>	p.prestartAllCoreThreads();
170	>	assertEquals(4, p.getPoolSize());
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173		}
174		}
175	<
175	>
176		/**
177	<	*  Test to verify getCompleteTaskCount gives correct values
177	>	* getCompletedTaskCount increases, but doesn't overestimate,
178	>	* when tasks complete
179		*/
180	<	public void testGetCompletedTaskCount(){
181	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
182	<	try {
183	<	assertEquals(0, two.getCompletedTaskCount());
184	<	two.execute(newRunnable());
185	<	try{Thread.sleep(2000);} catch(Exception e){}
186	<	assertEquals(1, two.getCompletedTaskCount());
187	<	} finally {
188	<	two.shutdown();
180	>	public void testGetCompletedTaskCount() throws InterruptedException {
181	>	final ThreadPoolExecutor p =
182	>	new ThreadPoolExecutor(2, 2,
183	>	LONG_DELAY_MS, MILLISECONDS,
184	>	new ArrayBlockingQueue<Runnable>(10));
185	>	try (PoolCleaner cleaner = cleaner(p)) {
186	>	final CountDownLatch threadStarted = new CountDownLatch(1);
187	>	final CountDownLatch threadProceed = new CountDownLatch(1);
188	>	final CountDownLatch threadDone = new CountDownLatch(1);
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	p.execute(new CheckedRunnable() {
191	>	public void realRun() throws InterruptedException {
192	>	threadStarted.countDown();
193	>	assertEquals(0, p.getCompletedTaskCount());
194	>	await(threadProceed);
195	>	threadDone.countDown();
196	>	}});
197	>	await(threadStarted);
198	>	assertEquals(0, p.getCompletedTaskCount());
199	>	threadProceed.countDown();
200	>	await(threadDone);
201	>	long startTime = System.nanoTime();
202	>	while (p.getCompletedTaskCount() != 1) {
203	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
204	>	fail("timed out");
205	>	Thread.yield();
206	>	}
207		}
208		}
209	<
209	>
210		/**
211	<	*  Test to verify getCorePoolSize gives correct values
211	>	* getCorePoolSize returns size given in constructor if not otherwise set
212		*/
213	<	public void testGetCorePoolSize(){
214	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
215	<	try {
216	<	assertEquals(1, one.getCorePoolSize());
217	<	} finally {
218	<	one.shutdown();
213	>	public void testGetCorePoolSize() {
214	>	final ThreadPoolExecutor p =
215	>	new ThreadPoolExecutor(1, 1,
216	>	LONG_DELAY_MS, MILLISECONDS,
217	>	new ArrayBlockingQueue<Runnable>(10));
218	>	try (PoolCleaner cleaner = cleaner(p)) {
219	>	assertEquals(1, p.getCorePoolSize());
220		}
221		}
222	<
222	>
223		/**
224	<	*  Test to verify getKeepAliveTime gives correct values
224	>	* getKeepAliveTime returns value given in constructor if not otherwise set
225		*/
226	<	public void testGetKeepAliveTime(){
227	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
228	<	try {
229	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
230	<	} finally {
231	<	two.shutdown();
226	>	public void testGetKeepAliveTime() {
227	>	final ThreadPoolExecutor p =
228	>	new ThreadPoolExecutor(2, 2,
229	>	1000, MILLISECONDS,
230	>	new ArrayBlockingQueue<Runnable>(10));
231	>	try (PoolCleaner cleaner = cleaner(p)) {
232	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
233		}
234		}
235	<
235	>
236		/**
237	<	*  Test to verify getLargestPoolSize gives correct values
237	>	* getThreadFactory returns factory in constructor if not set
238		*/
239	<	public void testGetLargestPoolSize(){
240	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
241	<	try {
242	<	assertEquals(0, two.getLargestPoolSize());
243	<	two.execute(newRunnable());
244	<	two.execute(newRunnable());
245	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
246	<	assertEquals(2, two.getLargestPoolSize());
247	<	} finally {
248	<	two.shutdown();
239	>	public void testGetThreadFactory() {
240	>	ThreadFactory threadFactory = new SimpleThreadFactory();
241	>	final ThreadPoolExecutor p =
242	>	new ThreadPoolExecutor(1, 2,
243	>	LONG_DELAY_MS, MILLISECONDS,
244	>	new ArrayBlockingQueue<Runnable>(10),
245	>	threadFactory,
246	>	new NoOpREHandler());
247	>	try (PoolCleaner cleaner = cleaner(p)) {
248	>	assertSame(threadFactory, p.getThreadFactory());
249		}
250		}
251	<
251	>
252		/**
253	<	*  Test to verify getMaximumPoolSize gives correct values
253	>	* setThreadFactory sets the thread factory returned by getThreadFactory
254		*/
255	<	public void testGetMaximumPoolSize(){
256	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
257	<	try {
258	<	assertEquals(2, two.getMaximumPoolSize());
259	<	} finally {
260	<	two.shutdown();
255	>	public void testSetThreadFactory() {
256	>	final ThreadPoolExecutor p =
257	>	new ThreadPoolExecutor(1, 2,
258	>	LONG_DELAY_MS, MILLISECONDS,
259	>	new ArrayBlockingQueue<Runnable>(10));
260	>	try (PoolCleaner cleaner = cleaner(p)) {
261	>	ThreadFactory threadFactory = new SimpleThreadFactory();
262	>	p.setThreadFactory(threadFactory);
263	>	assertSame(threadFactory, p.getThreadFactory());
264		}
265		}
266	<
266	>
267		/**
268	<	*  Test to verify getPoolSize gives correct values
268	>	* setThreadFactory(null) throws NPE
269		*/
270	<	public void testGetPoolSize(){
271	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
272	<	try {
273	<	assertEquals(0, one.getPoolSize());
274	<	one.execute(newRunnable());
275	<	assertEquals(1, one.getPoolSize());
276	<	} finally {
277	<	one.shutdown();
270	>	public void testSetThreadFactoryNull() {
271	>	final ThreadPoolExecutor p =
272	>	new ThreadPoolExecutor(1, 2,
273	>	LONG_DELAY_MS, MILLISECONDS,
274	>	new ArrayBlockingQueue<Runnable>(10));
275	>	try (PoolCleaner cleaner = cleaner(p)) {
276	>	try {
277	>	p.setThreadFactory(null);
278	>	shouldThrow();
279	>	} catch (NullPointerException success) {}
280		}
281		}
282	<
282	>
283		/**
284	<	*  Test to verify getTaskCount gives correct values
284	>	* The default rejected execution handler is AbortPolicy.
285		*/
286	<	public void testGetTaskCount(){
287	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
288	<	try {
289	<	assertEquals(0, one.getTaskCount());
290	<	for(int i = 0; i < 5; i++)
291	<	one.execute(newRunnable());
292	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
178	<	assertEquals(5, one.getTaskCount());
179	<	} finally {
180	<	one.shutdown();
286	>	public void testDefaultRejectedExecutionHandler() {
287	>	final ThreadPoolExecutor p =
288	>	new ThreadPoolExecutor(1, 2,
289	>	LONG_DELAY_MS, MILLISECONDS,
290	>	new ArrayBlockingQueue<Runnable>(10));
291	>	try (PoolCleaner cleaner = cleaner(p)) {
292	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
293		}
294		}
295	<
295	>
296		/**
297	<	*  Test to verify isShutDown gives correct values
297	>	* getRejectedExecutionHandler returns handler in constructor if not set
298		*/
299	<	public void testIsShutdown(){
300	<
301	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
302	<	try {
303	<	assertFalse(one.isShutdown());
299	>	public void testGetRejectedExecutionHandler() {
300	>	final RejectedExecutionHandler handler = new NoOpREHandler();
301	>	final ThreadPoolExecutor p =
302	>	new ThreadPoolExecutor(1, 2,
303	>	LONG_DELAY_MS, MILLISECONDS,
304	>	new ArrayBlockingQueue<Runnable>(10),
305	>	handler);
306	>	try (PoolCleaner cleaner = cleaner(p)) {
307	>	assertSame(handler, p.getRejectedExecutionHandler());
308	>	}
309	>	}
310	>
311	>	/**
312	>	* setRejectedExecutionHandler sets the handler returned by
313	>	* getRejectedExecutionHandler
314	>	*/
315	>	public void testSetRejectedExecutionHandler() {
316	>	final ThreadPoolExecutor p =
317	>	new ThreadPoolExecutor(1, 2,
318	>	LONG_DELAY_MS, MILLISECONDS,
319	>	new ArrayBlockingQueue<Runnable>(10));
320	>	try (PoolCleaner cleaner = cleaner(p)) {
321	>	RejectedExecutionHandler handler = new NoOpREHandler();
322	>	p.setRejectedExecutionHandler(handler);
323	>	assertSame(handler, p.getRejectedExecutionHandler());
324		}
325	<	finally {
326	<	one.shutdown();
325	>	}
326	>
327	>	/**
328	>	* setRejectedExecutionHandler(null) throws NPE
329	>	*/
330	>	public void testSetRejectedExecutionHandlerNull() {
331	>	final ThreadPoolExecutor p =
332	>	new ThreadPoolExecutor(1, 2,
333	>	LONG_DELAY_MS, MILLISECONDS,
334	>	new ArrayBlockingQueue<Runnable>(10));
335	>	try (PoolCleaner cleaner = cleaner(p)) {
336	>	try {
337	>	p.setRejectedExecutionHandler(null);
338	>	shouldThrow();
339	>	} catch (NullPointerException success) {}
340		}
196	–	assertTrue(one.isShutdown());
341		}
342
199	–
343		/**
344	<	*  Test to verify isTerminated gives correct values
345	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
344	>	* getLargestPoolSize increases, but doesn't overestimate, when
345	>	* multiple threads active
346		*/
347	<	public void testIsTerminated(){
348	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
349	<	try {
350	<	one.execute(newRunnable());
351	<	} finally {
352	<	one.shutdown();
347	>	public void testGetLargestPoolSize() throws InterruptedException {
348	>	final int THREADS = 3;
349	>	final CountDownLatch done = new CountDownLatch(1);
350	>	final ThreadPoolExecutor p =
351	>	new ThreadPoolExecutor(THREADS, THREADS,
352	>	LONG_DELAY_MS, MILLISECONDS,
353	>	new ArrayBlockingQueue<Runnable>(10));
354	>	try (PoolCleaner cleaner = cleaner(p, done)) {
355	>	assertEquals(0, p.getLargestPoolSize());
356	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
357	>	for (int i = 0; i < THREADS; i++)
358	>	p.execute(new CheckedRunnable() {
359	>	public void realRun() throws InterruptedException {
360	>	threadsStarted.countDown();
361	>	await(done);
362	>	assertEquals(THREADS, p.getLargestPoolSize());
363	>	}});
364	>	await(threadsStarted);
365	>	assertEquals(THREADS, p.getLargestPoolSize());
366		}
367	<	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");
367	>	assertEquals(THREADS, p.getLargestPoolSize());
368		}
369
370		/**
371	<	*  Test to verify that purge correctly removes cancelled tasks
372	<	*  from the queue
371	>	* getMaximumPoolSize returns value given in constructor if not
372	>	* otherwise set
373		*/
374	<	public void testPurge(){
375	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
376	<	try {
377	<	CancellableTask[] tasks = new CancellableTask[5];
378	<	for(int i = 0; i < 5; i++){
379	<	tasks[i] = new CancellableTask(newRunnable());
380	<	one.execute(tasks[i]);
374	>	public void testGetMaximumPoolSize() {
375	>	final ThreadPoolExecutor p =
376	>	new ThreadPoolExecutor(2, 3,
377	>	LONG_DELAY_MS, MILLISECONDS,
378	>	new ArrayBlockingQueue<Runnable>(10));
379	>	try (PoolCleaner cleaner = cleaner(p)) {
380	>	assertEquals(3, p.getMaximumPoolSize());
381	>	p.setMaximumPoolSize(5);
382	>	assertEquals(5, p.getMaximumPoolSize());
383	>	p.setMaximumPoolSize(4);
384	>	assertEquals(4, p.getMaximumPoolSize());
385	>	}
386	>	}
387	>
388	>	/**
389	>	* getPoolSize increases, but doesn't overestimate, when threads
390	>	* become active
391	>	*/
392	>	public void testGetPoolSize() throws InterruptedException {
393	>	final CountDownLatch done = new CountDownLatch(1);
394	>	final ThreadPoolExecutor p =
395	>	new ThreadPoolExecutor(1, 1,
396	>	LONG_DELAY_MS, MILLISECONDS,
397	>	new ArrayBlockingQueue<Runnable>(10));
398	>	try (PoolCleaner cleaner = cleaner(p, done)) {
399	>	assertEquals(0, p.getPoolSize());
400	>	final CountDownLatch threadStarted = new CountDownLatch(1);
401	>	p.execute(new CheckedRunnable() {
402	>	public void realRun() throws InterruptedException {
403	>	threadStarted.countDown();
404	>	assertEquals(1, p.getPoolSize());
405	>	await(done);
406	>	}});
407	>	await(threadStarted);
408	>	assertEquals(1, p.getPoolSize());
409	>	}
410	>	}
411	>
412	>	/**
413	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
414	>	*/
415	>	public void testGetTaskCount() throws InterruptedException {
416	>	final int TASKS = 3;
417	>	final CountDownLatch done = new CountDownLatch(1);
418	>	final ThreadPoolExecutor p =
419	>	new ThreadPoolExecutor(1, 1,
420	>	LONG_DELAY_MS, MILLISECONDS,
421	>	new ArrayBlockingQueue<Runnable>(10));
422	>	try (PoolCleaner cleaner = cleaner(p, done)) {
423	>	final CountDownLatch threadStarted = new CountDownLatch(1);
424	>	assertEquals(0, p.getTaskCount());
425	>	assertEquals(0, p.getCompletedTaskCount());
426	>	p.execute(new CheckedRunnable() {
427	>	public void realRun() throws InterruptedException {
428	>	threadStarted.countDown();
429	>	await(done);
430	>	}});
431	>	await(threadStarted);
432	>	assertEquals(1, p.getTaskCount());
433	>	assertEquals(0, p.getCompletedTaskCount());
434	>	for (int i = 0; i < TASKS; i++) {
435	>	assertEquals(1 + i, p.getTaskCount());
436	>	p.execute(new CheckedRunnable() {
437	>	public void realRun() throws InterruptedException {
438	>	threadStarted.countDown();
439	>	assertEquals(1 + TASKS, p.getTaskCount());
440	>	await(done);
441	>	}});
442		}
443	<	tasks[4].cancel(true);
444	<	tasks[3].cancel(true);
235	<	one.purge();
236	<	long count = one.getTaskCount();
237	<	assertTrue(count >= 2 && count < 5);
238	<	} finally {
239	<	one.shutdown();
443	>	assertEquals(1 + TASKS, p.getTaskCount());
444	>	assertEquals(0, p.getCompletedTaskCount());
445		}
446	+	assertEquals(1 + TASKS, p.getTaskCount());
447	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
448		}
449
450		/**
451	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
451	>	* isShutdown is false before shutdown, true after
452		*/
453	<	public void testShutDownNow(){
454	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
455	<	List l;
456	<	try {
457	<	for(int i = 0; i < 5; i++)
458	<	one.execute(newRunnable());
453	>	public void testIsShutdown() {
454	>	final ThreadPoolExecutor p =
455	>	new ThreadPoolExecutor(1, 1,
456	>	LONG_DELAY_MS, MILLISECONDS,
457	>	new ArrayBlockingQueue<Runnable>(10));
458	>	try (PoolCleaner cleaner = cleaner(p)) {
459	>	assertFalse(p.isShutdown());
460	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
461	>	assertTrue(p.isShutdown());
462	>	}
463	>	}
464	>
465	>	/**
466	>	* awaitTermination on a non-shutdown pool times out
467	>	*/
468	>	public void testAwaitTermination_timesOut() throws InterruptedException {
469	>	final ThreadPoolExecutor p =
470	>	new ThreadPoolExecutor(1, 1,
471	>	LONG_DELAY_MS, MILLISECONDS,
472	>	new ArrayBlockingQueue<Runnable>(10));
473	>	try (PoolCleaner cleaner = cleaner(p)) {
474	>	assertFalse(p.isTerminated());
475	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
476	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
477	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
478	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
479	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
480	>	randomTimeUnit()));
481	>	long timeoutNanos = 999999L;
482	>	long startTime = System.nanoTime();
483	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
484	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
485	>	assertFalse(p.isTerminated());
486	>	startTime = System.nanoTime();
487	>	long timeoutMillis = timeoutMillis();
488	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
489	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
490	>	assertFalse(p.isTerminated());
491	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
492	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
493	>	assertTrue(p.isTerminated());
494		}
495	<	finally {
496	<	l = one.shutdownNow();
495	>	}
496	>
497	>	/**
498	>	* isTerminated is false before termination, true after
499	>	*/
500	>	public void testIsTerminated() throws InterruptedException {
501	>	final ThreadPoolExecutor p =
502	>	new ThreadPoolExecutor(1, 1,
503	>	LONG_DELAY_MS, MILLISECONDS,
504	>	new ArrayBlockingQueue<Runnable>(10));
505	>	try (PoolCleaner cleaner = cleaner(p)) {
506	>	final CountDownLatch threadStarted = new CountDownLatch(1);
507	>	final CountDownLatch done = new CountDownLatch(1);
508	>	assertFalse(p.isTerminating());
509	>	p.execute(new CheckedRunnable() {
510	>	public void realRun() throws InterruptedException {
511	>	assertFalse(p.isTerminating());
512	>	threadStarted.countDown();
513	>	await(done);
514	>	}});
515	>	await(threadStarted);
516	>	assertFalse(p.isTerminating());
517	>	done.countDown();
518	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
519	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	>	assertTrue(p.isTerminated());
521	>	assertFalse(p.isTerminating());
522		}
257	–	assertTrue(one.isShutdown());
258	–	assertTrue(l.size() <= 4);
523		}
524
525	<
526	<
527	<
528	<
529	<
525	>	/**
526	>	* isTerminating is not true when running or when terminated
527	>	*/
528	>	public void testIsTerminating() throws InterruptedException {
529	>	final ThreadPoolExecutor p =
530	>	new ThreadPoolExecutor(1, 1,
531	>	LONG_DELAY_MS, MILLISECONDS,
532	>	new ArrayBlockingQueue<Runnable>(10));
533	>	try (PoolCleaner cleaner = cleaner(p)) {
534	>	final CountDownLatch threadStarted = new CountDownLatch(1);
535	>	final CountDownLatch done = new CountDownLatch(1);
536	>	assertFalse(p.isTerminating());
537	>	p.execute(new CheckedRunnable() {
538	>	public void realRun() throws InterruptedException {
539	>	assertFalse(p.isTerminating());
540	>	threadStarted.countDown();
541	>	await(done);
542	>	}});
543	>	await(threadStarted);
544	>	assertFalse(p.isTerminating());
545	>	done.countDown();
546	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
547	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
548	>	assertTrue(p.isTerminated());
549	>	assertFalse(p.isTerminating());
550	>	}
551	>	}
552	>
553	>	/**
554	>	* getQueue returns the work queue, which contains queued tasks
555	>	*/
556	>	public void testGetQueue() throws InterruptedException {
557	>	final CountDownLatch done = new CountDownLatch(1);
558	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
559	>	final ThreadPoolExecutor p =
560	>	new ThreadPoolExecutor(1, 1,
561	>	LONG_DELAY_MS, MILLISECONDS,
562	>	q);
563	>	try (PoolCleaner cleaner = cleaner(p, done)) {
564	>	final CountDownLatch threadStarted = new CountDownLatch(1);
565	>	FutureTask[] tasks = new FutureTask[5];
566	>	for (int i = 0; i < tasks.length; i++) {
567	>	Callable task = new CheckedCallable<Boolean>() {
568	>	public Boolean realCall() throws InterruptedException {
569	>	threadStarted.countDown();
570	>	assertSame(q, p.getQueue());
571	>	await(done);
572	>	return Boolean.TRUE;
573	>	}};
574	>	tasks[i] = new FutureTask(task);
575	>	p.execute(tasks[i]);
576	>	}
577	>	await(threadStarted);
578	>	assertSame(q, p.getQueue());
579	>	assertFalse(q.contains(tasks[0]));
580	>	assertTrue(q.contains(tasks[tasks.length - 1]));
581	>	assertEquals(tasks.length - 1, q.size());
582	>	}
583	>	}
584	>
585	>	/**
586	>	* remove(task) removes queued task, and fails to remove active task
587	>	*/
588	>	public void testRemove() throws InterruptedException {
589	>	final CountDownLatch done = new CountDownLatch(1);
590	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
591	>	final ThreadPoolExecutor p =
592	>	new ThreadPoolExecutor(1, 1,
593	>	LONG_DELAY_MS, MILLISECONDS,
594	>	q);
595	>	try (PoolCleaner cleaner = cleaner(p, done)) {
596	>	Runnable[] tasks = new Runnable[6];
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	for (int i = 0; i < tasks.length; i++) {
599	>	tasks[i] = new CheckedRunnable() {
600	>	public void realRun() throws InterruptedException {
601	>	threadStarted.countDown();
602	>	await(done);
603	>	}};
604	>	p.execute(tasks[i]);
605	>	}
606	>	await(threadStarted);
607	>	assertFalse(p.remove(tasks[0]));
608	>	assertTrue(q.contains(tasks[4]));
609	>	assertTrue(q.contains(tasks[3]));
610	>	assertTrue(p.remove(tasks[4]));
611	>	assertFalse(p.remove(tasks[4]));
612	>	assertFalse(q.contains(tasks[4]));
613	>	assertTrue(q.contains(tasks[3]));
614	>	assertTrue(p.remove(tasks[3]));
615	>	assertFalse(q.contains(tasks[3]));
616	>	}
617	>	}
618	>
619	>	/**
620	>	* purge removes cancelled tasks from the queue
621	>	*/
622	>	public void testPurge() throws InterruptedException {
623	>	final CountDownLatch threadStarted = new CountDownLatch(1);
624	>	final CountDownLatch done = new CountDownLatch(1);
625	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
626	>	final ThreadPoolExecutor p =
627	>	new ThreadPoolExecutor(1, 1,
628	>	LONG_DELAY_MS, MILLISECONDS,
629	>	q);
630	>	try (PoolCleaner cleaner = cleaner(p, done)) {
631	>	FutureTask[] tasks = new FutureTask[5];
632	>	for (int i = 0; i < tasks.length; i++) {
633	>	Callable task = new CheckedCallable<Boolean>() {
634	>	public Boolean realCall() throws InterruptedException {
635	>	threadStarted.countDown();
636	>	await(done);
637	>	return Boolean.TRUE;
638	>	}};
639	>	tasks[i] = new FutureTask(task);
640	>	p.execute(tasks[i]);
641	>	}
642	>	await(threadStarted);
643	>	assertEquals(tasks.length, p.getTaskCount());
644	>	assertEquals(tasks.length - 1, q.size());
645	>	assertEquals(1L, p.getActiveCount());
646	>	assertEquals(0L, p.getCompletedTaskCount());
647	>	tasks[4].cancel(true);
648	>	tasks[3].cancel(false);
649	>	p.purge();
650	>	assertEquals(tasks.length - 3, q.size());
651	>	assertEquals(tasks.length - 2, p.getTaskCount());
652	>	p.purge();         // Nothing to do
653	>	assertEquals(tasks.length - 3, q.size());
654	>	assertEquals(tasks.length - 2, p.getTaskCount());
655	>	}
656	>	}
657	>
658	>	/**
659	>	* shutdownNow returns a list containing tasks that were not run,
660	>	* and those tasks are drained from the queue
661	>	*/
662	>	public void testShutdownNow() throws InterruptedException {
663	>	final int poolSize = 2;
664	>	final int count = 5;
665	>	final AtomicInteger ran = new AtomicInteger(0);
666	>	final ThreadPoolExecutor p =
667	>	new ThreadPoolExecutor(poolSize, poolSize,
668	>	LONG_DELAY_MS, MILLISECONDS,
669	>	new ArrayBlockingQueue<Runnable>(10));
670	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
671	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
672	>	threadsStarted.countDown();
673	>	try {
674	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
675	>	} catch (InterruptedException success) {}
676	>	ran.getAndIncrement();
677	>	}};
678	>	for (int i = 0; i < count; i++)
679	>	p.execute(waiter);
680	>	await(threadsStarted);
681	>	assertEquals(poolSize, p.getActiveCount());
682	>	assertEquals(0, p.getCompletedTaskCount());
683	>	final List<Runnable> queuedTasks;
684	>	try {
685	>	queuedTasks = p.shutdownNow();
686	>	} catch (SecurityException ok) {
687	>	return; // Allowed in case test doesn't have privs
688	>	}
689	>	assertTrue(p.isShutdown());
690	>	assertTrue(p.getQueue().isEmpty());
691	>	assertEquals(count - poolSize, queuedTasks.size());
692	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
693	>	assertTrue(p.isTerminated());
694	>	assertEquals(poolSize, ran.get());
695	>	assertEquals(poolSize, p.getCompletedTaskCount());
696	>	}
697	>
698		// Exception Tests
267	–
699
700	<	//---- Tests if corePoolSize argument is less than zero
700	>	/**
701	>	* Constructor throws if corePoolSize argument is less than zero
702	>	*/
703		public void testConstructor1() {
704	<	try{
705	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
706	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
707	<	}
708	<	catch (IllegalArgumentException i){}
704	>	try {
705	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
706	>	new ArrayBlockingQueue<Runnable>(10));
707	>	shouldThrow();
708	>	} catch (IllegalArgumentException success) {}
709		}
710	<
711	<	//---- Tests if maximumPoolSize is less than zero
710	>
711	>	/**
712	>	* Constructor throws if maximumPoolSize is less than zero
713	>	*/
714		public void testConstructor2() {
715	<	try{
716	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
717	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
718	<	}
719	<	catch (IllegalArgumentException i2){}
715	>	try {
716	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
717	>	new ArrayBlockingQueue<Runnable>(10));
718	>	shouldThrow();
719	>	} catch (IllegalArgumentException success) {}
720		}
721	<
722	<	//---- Tests if maximumPoolSize is equal to zero
721	>
722	>	/**
723	>	* Constructor throws if maximumPoolSize is equal to zero
724	>	*/
725		public void testConstructor3() {
726	<	try{
727	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
728	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
729	<	}
730	<	catch (IllegalArgumentException i3){}
726	>	try {
727	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
728	>	new ArrayBlockingQueue<Runnable>(10));
729	>	shouldThrow();
730	>	} catch (IllegalArgumentException success) {}
731		}
732
733	<	//---- Tests if keepAliveTime is less than zero
733	>	/**
734	>	* Constructor throws if keepAliveTime is less than zero
735	>	*/
736		public void testConstructor4() {
737	<	try{
738	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
739	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
740	<	}
741	<	catch (IllegalArgumentException i4){}
737	>	try {
738	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
739	>	new ArrayBlockingQueue<Runnable>(10));
740	>	shouldThrow();
741	>	} catch (IllegalArgumentException success) {}
742		}
743
744	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
744	>	/**
745	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
746	>	*/
747		public void testConstructor5() {
748	<	try{
749	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
750	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
751	<	}
752	<	catch (IllegalArgumentException i5){}
748	>	try {
749	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
750	>	new ArrayBlockingQueue<Runnable>(10));
751	>	shouldThrow();
752	>	} catch (IllegalArgumentException success) {}
753		}
754	<
755	<	//---- Tests if workQueue is set to null
756	<	public void testNullPointerException() {
757	<	try{
758	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
759	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
760	<	}
761	<	catch (NullPointerException n){}
754	>
755	>	/**
756	>	* Constructor throws if workQueue is set to null
757	>	*/
758	>	public void testConstructorNullPointerException() {
759	>	try {
760	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
761	>	(BlockingQueue) null);
762	>	shouldThrow();
763	>	} catch (NullPointerException success) {}
764		}
322	–
765
766	<
767	<	//---- Tests if corePoolSize argument is less than zero
766	>	/**
767	>	* Constructor throws if corePoolSize argument is less than zero
768	>	*/
769		public void testConstructor6() {
770	<	try{
771	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
772	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
773	<	} catch (IllegalArgumentException i6){}
770	>	try {
771	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
772	>	new ArrayBlockingQueue<Runnable>(10),
773	>	new SimpleThreadFactory());
774	>	shouldThrow();
775	>	} catch (IllegalArgumentException success) {}
776		}
777	<
778	<	//---- Tests if maximumPoolSize is less than zero
777	>
778	>	/**
779	>	* Constructor throws if maximumPoolSize is less than zero
780	>	*/
781		public void testConstructor7() {
782	<	try{
783	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
784	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
785	<	}
786	<	catch (IllegalArgumentException i7){}
782	>	try {
783	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
784	>	new ArrayBlockingQueue<Runnable>(10),
785	>	new SimpleThreadFactory());
786	>	shouldThrow();
787	>	} catch (IllegalArgumentException success) {}
788		}
789
790	<	//---- Tests if maximumPoolSize is equal to zero
790	>	/**
791	>	* Constructor throws if maximumPoolSize is equal to zero
792	>	*/
793		public void testConstructor8() {
794	<	try{
795	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
796	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
797	<	}
798	<	catch (IllegalArgumentException i8){}
794	>	try {
795	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
796	>	new ArrayBlockingQueue<Runnable>(10),
797	>	new SimpleThreadFactory());
798	>	shouldThrow();
799	>	} catch (IllegalArgumentException success) {}
800		}
801
802	<	//---- Tests if keepAliveTime is less than zero
802	>	/**
803	>	* Constructor throws if keepAliveTime is less than zero
804	>	*/
805		public void testConstructor9() {
806	<	try{
807	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
808	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
809	<	}
810	<	catch (IllegalArgumentException i9){}
806	>	try {
807	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new SimpleThreadFactory());
810	>	shouldThrow();
811	>	} catch (IllegalArgumentException success) {}
812		}
813
814	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
814	>	/**
815	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
816	>	*/
817		public void testConstructor10() {
818	<	try{
819	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
820	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
818	>	try {
819	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
820	>	new ArrayBlockingQueue<Runnable>(10),
821	>	new SimpleThreadFactory());
822	>	shouldThrow();
823	>	} catch (IllegalArgumentException success) {}
824	>	}
825	>
826	>	/**
827	>	* Constructor throws if workQueue is set to null
828	>	*/
829	>	public void testConstructorNullPointerException2() {
830	>	try {
831	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
832	>	(BlockingQueue) null,
833	>	new SimpleThreadFactory());
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {}
836	>	}
837	>
838	>	/**
839	>	* Constructor throws if threadFactory is set to null
840	>	*/
841	>	public void testConstructorNullPointerException3() {
842	>	try {
843	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
844	>	new ArrayBlockingQueue<Runnable>(10),
845	>	(ThreadFactory) null);
846	>	shouldThrow();
847	>	} catch (NullPointerException success) {}
848	>	}
849	>
850	>	/**
851	>	* Constructor throws if corePoolSize argument is less than zero
852	>	*/
853	>	public void testConstructor11() {
854	>	try {
855	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
856	>	new ArrayBlockingQueue<Runnable>(10),
857	>	new NoOpREHandler());
858	>	shouldThrow();
859	>	} catch (IllegalArgumentException success) {}
860	>	}
861	>
862	>	/**
863	>	* Constructor throws if maximumPoolSize is less than zero
864	>	*/
865	>	public void testConstructor12() {
866	>	try {
867	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
868	>	new ArrayBlockingQueue<Runnable>(10),
869	>	new NoOpREHandler());
870	>	shouldThrow();
871	>	} catch (IllegalArgumentException success) {}
872	>	}
873	>
874	>	/**
875	>	* Constructor throws if maximumPoolSize is equal to zero
876	>	*/
877	>	public void testConstructor13() {
878	>	try {
879	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
880	>	new ArrayBlockingQueue<Runnable>(10),
881	>	new NoOpREHandler());
882	>	shouldThrow();
883	>	} catch (IllegalArgumentException success) {}
884	>	}
885	>
886	>	/**
887	>	* Constructor throws if keepAliveTime is less than zero
888	>	*/
889	>	public void testConstructor14() {
890	>	try {
891	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
892	>	new ArrayBlockingQueue<Runnable>(10),
893	>	new NoOpREHandler());
894	>	shouldThrow();
895	>	} catch (IllegalArgumentException success) {}
896	>	}
897	>
898	>	/**
899	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
900	>	*/
901	>	public void testConstructor15() {
902	>	try {
903	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
904	>	new ArrayBlockingQueue<Runnable>(10),
905	>	new NoOpREHandler());
906	>	shouldThrow();
907	>	} catch (IllegalArgumentException success) {}
908	>	}
909	>
910	>	/**
911	>	* Constructor throws if workQueue is set to null
912	>	*/
913	>	public void testConstructorNullPointerException4() {
914	>	try {
915	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
916	>	(BlockingQueue) null,
917	>	new NoOpREHandler());
918	>	shouldThrow();
919	>	} catch (NullPointerException success) {}
920	>	}
921	>
922	>	/**
923	>	* Constructor throws if handler is set to null
924	>	*/
925	>	public void testConstructorNullPointerException5() {
926	>	try {
927	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
928	>	new ArrayBlockingQueue<Runnable>(10),
929	>	(RejectedExecutionHandler) null);
930	>	shouldThrow();
931	>	} catch (NullPointerException success) {}
932	>	}
933	>
934	>	/**
935	>	* Constructor throws if corePoolSize argument is less than zero
936	>	*/
937	>	public void testConstructor16() {
938	>	try {
939	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
940	>	new ArrayBlockingQueue<Runnable>(10),
941	>	new SimpleThreadFactory(),
942	>	new NoOpREHandler());
943	>	shouldThrow();
944	>	} catch (IllegalArgumentException success) {}
945	>	}
946	>
947	>	/**
948	>	* Constructor throws if maximumPoolSize is less than zero
949	>	*/
950	>	public void testConstructor17() {
951	>	try {
952	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
953	>	new ArrayBlockingQueue<Runnable>(10),
954	>	new SimpleThreadFactory(),
955	>	new NoOpREHandler());
956	>	shouldThrow();
957	>	} catch (IllegalArgumentException success) {}
958	>	}
959	>
960	>	/**
961	>	* Constructor throws if maximumPoolSize is equal to zero
962	>	*/
963	>	public void testConstructor18() {
964	>	try {
965	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
966	>	new ArrayBlockingQueue<Runnable>(10),
967	>	new SimpleThreadFactory(),
968	>	new NoOpREHandler());
969	>	shouldThrow();
970	>	} catch (IllegalArgumentException success) {}
971	>	}
972	>
973	>	/**
974	>	* Constructor throws if keepAliveTime is less than zero
975	>	*/
976	>	public void testConstructor19() {
977	>	try {
978	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
979	>	new ArrayBlockingQueue<Runnable>(10),
980	>	new SimpleThreadFactory(),
981	>	new NoOpREHandler());
982	>	shouldThrow();
983	>	} catch (IllegalArgumentException success) {}
984	>	}
985	>
986	>	/**
987	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
988	>	*/
989	>	public void testConstructor20() {
990	>	try {
991	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
992	>	new ArrayBlockingQueue<Runnable>(10),
993	>	new SimpleThreadFactory(),
994	>	new NoOpREHandler());
995	>	shouldThrow();
996	>	} catch (IllegalArgumentException success) {}
997	>	}
998	>
999	>	/**
1000	>	* Constructor throws if workQueue is null
1001	>	*/
1002	>	public void testConstructorNullPointerException6() {
1003	>	try {
1004	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005	>	(BlockingQueue) null,
1006	>	new SimpleThreadFactory(),
1007	>	new NoOpREHandler());
1008	>	shouldThrow();
1009	>	} catch (NullPointerException success) {}
1010	>	}
1011	>
1012	>	/**
1013	>	* Constructor throws if handler is null
1014	>	*/
1015	>	public void testConstructorNullPointerException7() {
1016	>	try {
1017	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1018	>	new ArrayBlockingQueue<Runnable>(10),
1019	>	new SimpleThreadFactory(),
1020	>	(RejectedExecutionHandler) null);
1021	>	shouldThrow();
1022	>	} catch (NullPointerException success) {}
1023	>	}
1024	>
1025	>	/**
1026	>	* Constructor throws if ThreadFactory is null
1027	>	*/
1028	>	public void testConstructorNullPointerException8() {
1029	>	try {
1030	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1031	>	new ArrayBlockingQueue<Runnable>(10),
1032	>	(ThreadFactory) null,
1033	>	new NoOpREHandler());
1034	>	shouldThrow();
1035	>	} catch (NullPointerException success) {}
1036	>	}
1037	>
1038	>	/**
1039	>	* get of submitted callable throws InterruptedException if interrupted
1040	>	*/
1041	>	public void testInterruptedSubmit() throws InterruptedException {
1042	>	final CountDownLatch done = new CountDownLatch(1);
1043	>	final ThreadPoolExecutor p =
1044	>	new ThreadPoolExecutor(1, 1,
1045	>	60, SECONDS,
1046	>	new ArrayBlockingQueue<Runnable>(10));
1047	>
1048	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1049	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1050	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1051	>	public void realRun() throws Exception {
1052	>	Callable task = new CheckedCallable<Boolean>() {
1053	>	public Boolean realCall() throws InterruptedException {
1054	>	threadStarted.countDown();
1055	>	await(done);
1056	>	return Boolean.TRUE;
1057	>	}};
1058	>	p.submit(task).get();
1059	>	}});
1060	>
1061	>	await(threadStarted);
1062	>	t.interrupt();
1063	>	awaitTermination(t);
1064		}
366	–	catch (IllegalArgumentException i10){}
1065		}
1066
1067	<	//---- Tests if workQueue is set to null
1068	<	public void testNullPointerException2() {
1069	<	try{
1070	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1071	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1067	>	/**
1068	>	* execute throws RejectedExecutionException if saturated.
1069	>	*/
1070	>	public void testSaturatedExecute() {
1071	>	final CountDownLatch done = new CountDownLatch(1);
1072	>	final ThreadPoolExecutor p =
1073	>	new ThreadPoolExecutor(1, 1,
1074	>	LONG_DELAY_MS, MILLISECONDS,
1075	>	new ArrayBlockingQueue<Runnable>(1));
1076	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1077	>	Runnable task = new CheckedRunnable() {
1078	>	public void realRun() throws InterruptedException {
1079	>	await(done);
1080	>	}};
1081	>	for (int i = 0; i < 2; ++i)
1082	>	p.execute(task);
1083	>	for (int i = 0; i < 2; ++i) {
1084	>	try {
1085	>	p.execute(task);
1086	>	shouldThrow();
1087	>	} catch (RejectedExecutionException success) {}
1088	>	assertTrue(p.getTaskCount() <= 2);
1089	>	}
1090		}
375	–	catch (NullPointerException n2){}
1091		}
1092
1093	<	//---- Tests if threadFactory is set to null
1094	<	public void testNullPointerException3() {
1095	<	try{
1096	<	ThreadFactory f = null;
1097	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1098	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1093	>	/**
1094	>	* submit(runnable) throws RejectedExecutionException if saturated.
1095	>	*/
1096	>	public void testSaturatedSubmitRunnable() {
1097	>	final CountDownLatch done = new CountDownLatch(1);
1098	>	final ThreadPoolExecutor p =
1099	>	new ThreadPoolExecutor(1, 1,
1100	>	LONG_DELAY_MS, MILLISECONDS,
1101	>	new ArrayBlockingQueue<Runnable>(1));
1102	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1103	>	Runnable task = new CheckedRunnable() {
1104	>	public void realRun() throws InterruptedException {
1105	>	await(done);
1106	>	}};
1107	>	for (int i = 0; i < 2; ++i)
1108	>	p.submit(task);
1109	>	for (int i = 0; i < 2; ++i) {
1110	>	try {
1111	>	p.execute(task);
1112	>	shouldThrow();
1113	>	} catch (RejectedExecutionException success) {}
1114	>	assertTrue(p.getTaskCount() <= 2);
1115	>	}
1116		}
385	–	catch (NullPointerException n3){}
1117		}
1118	<
1119	<
1120	<	//---- Tests if corePoolSize argument is less than zero
1121	<	public void testConstructor11() {
1122	<	try{
1123	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1124	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1118	>
1119	>	/**
1120	>	* submit(callable) throws RejectedExecutionException if saturated.
1121	>	*/
1122	>	public void testSaturatedSubmitCallable() {
1123	>	final CountDownLatch done = new CountDownLatch(1);
1124	>	final ThreadPoolExecutor p =
1125	>	new ThreadPoolExecutor(1, 1,
1126	>	LONG_DELAY_MS, MILLISECONDS,
1127	>	new ArrayBlockingQueue<Runnable>(1));
1128	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1129	>	Runnable task = new CheckedRunnable() {
1130	>	public void realRun() throws InterruptedException {
1131	>	await(done);
1132	>	}};
1133	>	for (int i = 0; i < 2; ++i)
1134	>	p.execute(task);
1135	>	for (int i = 0; i < 2; ++i) {
1136	>	try {
1137	>	p.execute(task);
1138	>	shouldThrow();
1139	>	} catch (RejectedExecutionException success) {}
1140	>	assertTrue(p.getTaskCount() <= 2);
1141	>	}
1142		}
395	–	catch (IllegalArgumentException i11){}
1143		}
1144
1145	<	//---- Tests if maximumPoolSize is less than zero
1146	<	public void testConstructor12() {
1147	<	try{
1148	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1149	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1145	>	/**
1146	>	* executor using CallerRunsPolicy runs task if saturated.
1147	>	*/
1148	>	public void testSaturatedExecute2() {
1149	>	final ThreadPoolExecutor p =
1150	>	new ThreadPoolExecutor(1, 1,
1151	>	LONG_DELAY_MS,
1152	>	MILLISECONDS,
1153	>	new ArrayBlockingQueue<Runnable>(1),
1154	>	new CallerRunsPolicy());
1155	>	try (PoolCleaner cleaner = cleaner(p)) {
1156	>	final CountDownLatch done = new CountDownLatch(1);
1157	>	Runnable blocker = new CheckedRunnable() {
1158	>	public void realRun() throws InterruptedException {
1159	>	await(done);
1160	>	}};
1161	>	p.execute(blocker);
1162	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1163	>	for (int i = 0; i < tasks.length; i++)
1164	>	tasks[i] = new TrackedNoOpRunnable();
1165	>	for (int i = 0; i < tasks.length; i++)
1166	>	p.execute(tasks[i]);
1167	>	for (int i = 1; i < tasks.length; i++)
1168	>	assertTrue(tasks[i].done);
1169	>	assertFalse(tasks[0].done); // waiting in queue
1170	>	done.countDown();
1171		}
404	–	catch (IllegalArgumentException i12){}
1172		}
1173
1174	<	//---- Tests if maximumPoolSize is equal to zero
1175	<	public void testConstructor13() {
1176	<	try{
1177	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1178	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1174	>	/**
1175	>	* executor using DiscardPolicy drops task if saturated.
1176	>	*/
1177	>	public void testSaturatedExecute3() {
1178	>	final CountDownLatch done = new CountDownLatch(1);
1179	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1180	>	for (int i = 0; i < tasks.length; ++i)
1181	>	tasks[i] = new TrackedNoOpRunnable();
1182	>	final ThreadPoolExecutor p =
1183	>	new ThreadPoolExecutor(1, 1,
1184	>	LONG_DELAY_MS, MILLISECONDS,
1185	>	new ArrayBlockingQueue<Runnable>(1),
1186	>	new DiscardPolicy());
1187	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1188	>	p.execute(awaiter(done));
1189	>
1190	>	for (TrackedNoOpRunnable task : tasks)
1191	>	p.execute(task);
1192	>	for (int i = 1; i < tasks.length; i++)
1193	>	assertFalse(tasks[i].done);
1194	>	}
1195	>	for (int i = 1; i < tasks.length; i++)
1196	>	assertFalse(tasks[i].done);
1197	>	assertTrue(tasks[0].done); // was waiting in queue
1198	>	}
1199	>
1200	>	/**
1201	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1202	>	*/
1203	>	public void testSaturatedExecute4() {
1204	>	final CountDownLatch done = new CountDownLatch(1);
1205	>	LatchAwaiter r1 = awaiter(done);
1206	>	LatchAwaiter r2 = awaiter(done);
1207	>	LatchAwaiter r3 = awaiter(done);
1208	>	final ThreadPoolExecutor p =
1209	>	new ThreadPoolExecutor(1, 1,
1210	>	LONG_DELAY_MS, MILLISECONDS,
1211	>	new ArrayBlockingQueue<Runnable>(1),
1212	>	new DiscardOldestPolicy());
1213	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1214	>	assertEquals(LatchAwaiter.NEW, r1.state);
1215	>	assertEquals(LatchAwaiter.NEW, r2.state);
1216	>	assertEquals(LatchAwaiter.NEW, r3.state);
1217	>	p.execute(r1);
1218	>	p.execute(r2);
1219	>	assertTrue(p.getQueue().contains(r2));
1220	>	p.execute(r3);
1221	>	assertFalse(p.getQueue().contains(r2));
1222	>	assertTrue(p.getQueue().contains(r3));
1223	>	}
1224	>	assertEquals(LatchAwaiter.DONE, r1.state);
1225	>	assertEquals(LatchAwaiter.NEW, r2.state);
1226	>	assertEquals(LatchAwaiter.DONE, r3.state);
1227	>	}
1228	>
1229	>	/**
1230	>	* execute throws RejectedExecutionException if shutdown
1231	>	*/
1232	>	public void testRejectedExecutionExceptionOnShutdown() {
1233	>	final ThreadPoolExecutor p =
1234	>	new ThreadPoolExecutor(1, 1,
1235	>	LONG_DELAY_MS, MILLISECONDS,
1236	>	new ArrayBlockingQueue<Runnable>(1));
1237	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1238	>	try (PoolCleaner cleaner = cleaner(p)) {
1239	>	try {
1240	>	p.execute(new NoOpRunnable());
1241	>	shouldThrow();
1242	>	} catch (RejectedExecutionException success) {}
1243		}
413	–	catch (IllegalArgumentException i13){}
1244		}
1245
1246	<	//---- Tests if keepAliveTime is less than zero
1247	<	public void testConstructor14() {
1248	<	try{
1249	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1250	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1246	>	/**
1247	>	* execute using CallerRunsPolicy drops task on shutdown
1248	>	*/
1249	>	public void testCallerRunsOnShutdown() {
1250	>	RejectedExecutionHandler h = new CallerRunsPolicy();
1251	>	final ThreadPoolExecutor p =
1252	>	new ThreadPoolExecutor(1, 1,
1253	>	LONG_DELAY_MS, MILLISECONDS,
1254	>	new ArrayBlockingQueue<Runnable>(1), h);
1255	>
1256	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1257	>	try (PoolCleaner cleaner = cleaner(p)) {
1258	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1259	>	p.execute(r);
1260	>	assertFalse(r.done);
1261		}
422	–	catch (IllegalArgumentException i14){}
1262		}
1263
1264	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1265	<	public void testConstructor15() {
1266	<	try{
1267	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1268	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1264	>	/**
1265	>	* execute using DiscardPolicy drops task on shutdown
1266	>	*/
1267	>	public void testDiscardOnShutdown() {
1268	>	final ThreadPoolExecutor p =
1269	>	new ThreadPoolExecutor(1, 1,
1270	>	LONG_DELAY_MS, MILLISECONDS,
1271	>	new ArrayBlockingQueue<Runnable>(1),
1272	>	new DiscardPolicy());
1273	>
1274	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1275	>	try (PoolCleaner cleaner = cleaner(p)) {
1276	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1277	>	p.execute(r);
1278	>	assertFalse(r.done);
1279		}
431	–	catch (IllegalArgumentException i15){}
1280		}
1281
1282	<	//---- Tests if workQueue is set to null
1283	<	public void testNullPointerException4() {
1284	<	try{
1285	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1286	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1282	>	/**
1283	>	* execute using DiscardOldestPolicy drops task on shutdown
1284	>	*/
1285	>	public void testDiscardOldestOnShutdown() {
1286	>	final ThreadPoolExecutor p =
1287	>	new ThreadPoolExecutor(1, 1,
1288	>	LONG_DELAY_MS, MILLISECONDS,
1289	>	new ArrayBlockingQueue<Runnable>(1),
1290	>	new DiscardOldestPolicy());
1291	>
1292	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1293	>	try (PoolCleaner cleaner = cleaner(p)) {
1294	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1295	>	p.execute(r);
1296	>	assertFalse(r.done);
1297		}
440	–	catch (NullPointerException n4){}
1298		}
1299
1300	<	//---- Tests if handler is set to null
1301	<	public void testNullPointerException5() {
1302	<	try{
1303	<	RejectedExecutionHandler r = null;
1304	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1305	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1300	>	/**
1301	>	* execute(null) throws NPE
1302	>	*/
1303	>	public void testExecuteNull() {
1304	>	final ThreadPoolExecutor p =
1305	>	new ThreadPoolExecutor(1, 2,
1306	>	1L, SECONDS,
1307	>	new ArrayBlockingQueue<Runnable>(10));
1308	>	try (PoolCleaner cleaner = cleaner(p)) {
1309	>	try {
1310	>	p.execute(null);
1311	>	shouldThrow();
1312	>	} catch (NullPointerException success) {}
1313		}
450	–	catch (NullPointerException n5){}
1314		}
1315
1316	<
1317	<	//---- Tests if corePoolSize argument is less than zero
1318	<	public void testConstructor16() {
1319	<	try{
1320	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1321	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1316	>	/**
1317	>	* setCorePoolSize of negative value throws IllegalArgumentException
1318	>	*/
1319	>	public void testCorePoolSizeIllegalArgumentException() {
1320	>	final ThreadPoolExecutor p =
1321	>	new ThreadPoolExecutor(1, 2,
1322	>	LONG_DELAY_MS, MILLISECONDS,
1323	>	new ArrayBlockingQueue<Runnable>(10));
1324	>	try (PoolCleaner cleaner = cleaner(p)) {
1325	>	try {
1326	>	p.setCorePoolSize(-1);
1327	>	shouldThrow();
1328	>	} catch (IllegalArgumentException success) {}
1329		}
460	–	catch (IllegalArgumentException i16){}
1330		}
1331
1332	<	//---- Tests if maximumPoolSize is less than zero
1333	<	public void testConstructor17() {
1334	<	try{
1335	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1336	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1332	>	/**
1333	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1334	>	* given a value less the core pool size
1335	>	*/
1336	>	public void testMaximumPoolSizeIllegalArgumentException() {
1337	>	final ThreadPoolExecutor p =
1338	>	new ThreadPoolExecutor(2, 3,
1339	>	LONG_DELAY_MS, MILLISECONDS,
1340	>	new ArrayBlockingQueue<Runnable>(10));
1341	>	try (PoolCleaner cleaner = cleaner(p)) {
1342	>	try {
1343	>	p.setMaximumPoolSize(1);
1344	>	shouldThrow();
1345	>	} catch (IllegalArgumentException success) {}
1346		}
469	–	catch (IllegalArgumentException i17){}
1347		}
1348
1349	<	//---- Tests if maximumPoolSize is equal to zero
1350	<	public void testConstructor18() {
1351	<	try{
1352	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1353	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1349	>	/**
1350	>	* setMaximumPoolSize throws IllegalArgumentException
1351	>	* if given a negative value
1352	>	*/
1353	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1354	>	final ThreadPoolExecutor p =
1355	>	new ThreadPoolExecutor(2, 3,
1356	>	LONG_DELAY_MS, MILLISECONDS,
1357	>	new ArrayBlockingQueue<Runnable>(10));
1358	>	try (PoolCleaner cleaner = cleaner(p)) {
1359	>	try {
1360	>	p.setMaximumPoolSize(-1);
1361	>	shouldThrow();
1362	>	} catch (IllegalArgumentException success) {}
1363		}
478	–	catch (IllegalArgumentException i18){}
1364		}
1365
1366	<	//---- Tests if keepAliveTime is less than zero
1367	<	public void testConstructor19() {
1368	<	try{
1369	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1370	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1366	>	/**
1367	>	* Configuration changes that allow core pool size greater than
1368	>	* max pool size result in IllegalArgumentException.
1369	>	*/
1370	>	public void testPoolSizeInvariants() {
1371	>	final ThreadPoolExecutor p =
1372	>	new ThreadPoolExecutor(1, 1,
1373	>	LONG_DELAY_MS, MILLISECONDS,
1374	>	new ArrayBlockingQueue<Runnable>(10));
1375	>	try (PoolCleaner cleaner = cleaner(p)) {
1376	>	for (int s = 1; s < 5; s++) {
1377	>	p.setMaximumPoolSize(s);
1378	>	p.setCorePoolSize(s);
1379	>	try {
1380	>	p.setMaximumPoolSize(s - 1);
1381	>	shouldThrow();
1382	>	} catch (IllegalArgumentException success) {}
1383	>	assertEquals(s, p.getCorePoolSize());
1384	>	assertEquals(s, p.getMaximumPoolSize());
1385	>	try {
1386	>	p.setCorePoolSize(s + 1);
1387	>	shouldThrow();
1388	>	} catch (IllegalArgumentException success) {}
1389	>	assertEquals(s, p.getCorePoolSize());
1390	>	assertEquals(s, p.getMaximumPoolSize());
1391	>	}
1392		}
487	–	catch (IllegalArgumentException i19){}
1393		}
1394
1395	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1396	<	public void testConstructor20() {
1397	<	try{
1398	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1399	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1400	<	}
1401	<	catch (IllegalArgumentException i20){}
1402	<	}
1403	<
1404	<	//---- Tests if workQueue is set to null
1405	<	public void testNullPointerException6() {
1406	<	try{
1407	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1408	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1409	<	}
1410	<	catch (NullPointerException n6){}
1411	<	}
1412	<
1413	<	//---- Tests if handler is set to null
1414	<	public void testNullPointerException7() {
1415	<	try{
1416	<	RejectedExecutionHandler r = null;
1417	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1418	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1419	<	}
1420	<	catch (NullPointerException n7){}
1421	<	}
1422	<
1423	<	//---- Tests if ThradFactory is set top null
1424	<	public void testNullPointerException8() {
1425	<	try{
1426	<	ThreadFactory f = null;
1427	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1428	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1429	<	}
1430	<	catch (NullPointerException n8){}
1431	<	}
1432	<
1433	<
1434	<	/**
1435	<	*  Test to verify execute will throw RejectedExcutionException
1436	<	*  ThreadPoolExecutor will throw one when more runnables are
1437	<	*  executed then will fit in the Queue.
1438	<	*/
1439	<	public void testRejectedExecutedException(){
1440	<	ThreadPoolExecutor tpe = null;
1441	<	try{
1442	<	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1443	<	} catch(Exception e){}
1444	<	tpe.shutdown();
1445	<	try{
1446	<	tpe.execute(new Runnable(){
1447	<	public void run(){
1448	<	try{
1449	<	Thread.sleep(1000);
1450	<	} catch(InterruptedException e){}
1451	<	}
1452	<	});
1453	<	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1454	<	} catch(RejectedExecutionException success){}
1455	<
1456	<
1457	<	}
1458	<
1459	<	/**
1460	<	*  Test to verify setCorePoolSize will throw IllegalArgumentException
1461	<	*  when given a negative
1462	<	*/
1463	<	public void testIllegalArgumentException1(){
1464	<	ThreadPoolExecutor tpe = null;
1465	<	try{
1466	<	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1467	<	} catch(Exception e){}
1468	<	try{
1469	<	tpe.setCorePoolSize(-1);
1470	<	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1471	<	} catch(IllegalArgumentException success){
1472	<	} finally {
1473	<	tpe.shutdown();
1474	<	}
1475	<	}
1476	<
1477	<
1478	<	/**
1479	<	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1480	<	*  if given a value less the it's actual core pool size
1481	<	*/
1482	<	public void testIllegalArgumentException2(){
1483	<	ThreadPoolExecutor tpe = null;
1484	<	try{
1485	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1486	<	} catch(Exception e){}
1487	<	try{
1488	<	tpe.setMaximumPoolSize(1);
1489	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1490	<	} catch(IllegalArgumentException success){
1491	<	} finally {
1492	<	tpe.shutdown();
1493	<	}
1494	<	}
1495	<
1496	<	/**
1497	<	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
1498	<	*  if given a negative number
1499	<	*/
1500	<	public void testIllegalArgumentException2SP(){
1501	<	ThreadPoolExecutor tpe = null;
1502	<	try{
1503	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1504	<	} catch(Exception e){}
1505	<	try{
1506	<	tpe.setMaximumPoolSize(-1);
1507	<	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1508	<	} catch(IllegalArgumentException success){
1509	<	} finally {
1510	<	tpe.shutdown();
1511	<	}
1512	<	}
1513	<
1514	<
1515	<	/**
1516	<	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
1517	<	*  when given a negative value
1518	<	*/
1519	<	public void testIllegalArgumentException3(){
1520	<	ThreadPoolExecutor tpe = null;
1521	<	try{
1522	<	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1523	<	} catch(Exception e){}
1524	<
1525	<	try{
1526	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1527	<	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1528	<	} catch(IllegalArgumentException success){
1529	<	} finally {
1530	<	tpe.shutdown();
1531	<	}
1532	<	}
1533	<
1534	<
1535	<
1395	>	/**
1396	>	* setKeepAliveTime throws IllegalArgumentException
1397	>	* when given a negative value
1398	>	*/
1399	>	public void testKeepAliveTimeIllegalArgumentException() {
1400	>	final ThreadPoolExecutor p =
1401	>	new ThreadPoolExecutor(2, 3,
1402	>	LONG_DELAY_MS, MILLISECONDS,
1403	>	new ArrayBlockingQueue<Runnable>(10));
1404	>	try (PoolCleaner cleaner = cleaner(p)) {
1405	>	try {
1406	>	p.setKeepAliveTime(-1, MILLISECONDS);
1407	>	shouldThrow();
1408	>	} catch (IllegalArgumentException success) {}
1409	>	}
1410	>	}
1411	>
1412	>	/**
1413	>	* terminated() is called on termination
1414	>	*/
1415	>	public void testTerminated() {
1416	>	ExtendedTPE p = new ExtendedTPE();
1417	>	try (PoolCleaner cleaner = cleaner(p)) {
1418	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1419	>	assertTrue(p.terminatedCalled());
1420	>	assertTrue(p.isShutdown());
1421	>	}
1422	>	}
1423	>
1424	>	/**
1425	>	* beforeExecute and afterExecute are called when executing task
1426	>	*/
1427	>	public void testBeforeAfter() throws InterruptedException {
1428	>	ExtendedTPE p = new ExtendedTPE();
1429	>	try (PoolCleaner cleaner = cleaner(p)) {
1430	>	final CountDownLatch done = new CountDownLatch(1);
1431	>	p.execute(new CheckedRunnable() {
1432	>	public void realRun() {
1433	>	done.countDown();
1434	>	}});
1435	>	await(p.afterCalled);
1436	>	assertEquals(0, done.getCount());
1437	>	assertTrue(p.afterCalled());
1438	>	assertTrue(p.beforeCalled());
1439	>	}
1440	>	}
1441	>
1442	>	/**
1443	>	* completed submit of callable returns result
1444	>	*/
1445	>	public void testSubmitCallable() throws Exception {
1446	>	final ExecutorService e =
1447	>	new ThreadPoolExecutor(2, 2,
1448	>	LONG_DELAY_MS, MILLISECONDS,
1449	>	new ArrayBlockingQueue<Runnable>(10));
1450	>	try (PoolCleaner cleaner = cleaner(e)) {
1451	>	Future<String> future = e.submit(new StringTask());
1452	>	String result = future.get();
1453	>	assertSame(TEST_STRING, result);
1454	>	}
1455	>	}
1456	>
1457	>	/**
1458	>	* completed submit of runnable returns successfully
1459	>	*/
1460	>	public void testSubmitRunnable() throws Exception {
1461	>	final ExecutorService e =
1462	>	new ThreadPoolExecutor(2, 2,
1463	>	LONG_DELAY_MS, MILLISECONDS,
1464	>	new ArrayBlockingQueue<Runnable>(10));
1465	>	try (PoolCleaner cleaner = cleaner(e)) {
1466	>	Future<?> future = e.submit(new NoOpRunnable());
1467	>	future.get();
1468	>	assertTrue(future.isDone());
1469	>	}
1470	>	}
1471	>
1472	>	/**
1473	>	* completed submit of (runnable, result) returns result
1474	>	*/
1475	>	public void testSubmitRunnable2() throws Exception {
1476	>	final ExecutorService e =
1477	>	new ThreadPoolExecutor(2, 2,
1478	>	LONG_DELAY_MS, MILLISECONDS,
1479	>	new ArrayBlockingQueue<Runnable>(10));
1480	>	try (PoolCleaner cleaner = cleaner(e)) {
1481	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1482	>	String result = future.get();
1483	>	assertSame(TEST_STRING, result);
1484	>	}
1485	>	}
1486	>
1487	>	/**
1488	>	* invokeAny(null) throws NPE
1489	>	*/
1490	>	public void testInvokeAny1() throws Exception {
1491	>	final ExecutorService e =
1492	>	new ThreadPoolExecutor(2, 2,
1493	>	LONG_DELAY_MS, MILLISECONDS,
1494	>	new ArrayBlockingQueue<Runnable>(10));
1495	>	try (PoolCleaner cleaner = cleaner(e)) {
1496	>	try {
1497	>	e.invokeAny(null);
1498	>	shouldThrow();
1499	>	} catch (NullPointerException success) {}
1500	>	}
1501	>	}
1502	>
1503	>	/**
1504	>	* invokeAny(empty collection) throws IllegalArgumentException
1505	>	*/
1506	>	public void testInvokeAny2() throws Exception {
1507	>	final ExecutorService e =
1508	>	new ThreadPoolExecutor(2, 2,
1509	>	LONG_DELAY_MS, MILLISECONDS,
1510	>	new ArrayBlockingQueue<Runnable>(10));
1511	>	try (PoolCleaner cleaner = cleaner(e)) {
1512	>	try {
1513	>	e.invokeAny(new ArrayList<Callable<String>>());
1514	>	shouldThrow();
1515	>	} catch (IllegalArgumentException success) {}
1516	>	}
1517	>	}
1518	>
1519	>	/**
1520	>	* invokeAny(c) throws NPE if c has null elements
1521	>	*/
1522	>	public void testInvokeAny3() throws Exception {
1523	>	final CountDownLatch latch = new CountDownLatch(1);
1524	>	final ExecutorService e =
1525	>	new ThreadPoolExecutor(2, 2,
1526	>	LONG_DELAY_MS, MILLISECONDS,
1527	>	new ArrayBlockingQueue<Runnable>(10));
1528	>	try (PoolCleaner cleaner = cleaner(e)) {
1529	>	List<Callable<String>> l = new ArrayList<>();
1530	>	l.add(latchAwaitingStringTask(latch));
1531	>	l.add(null);
1532	>	try {
1533	>	e.invokeAny(l);
1534	>	shouldThrow();
1535	>	} catch (NullPointerException success) {}
1536	>	latch.countDown();
1537	>	}
1538	>	}
1539	>
1540	>	/**
1541	>	* invokeAny(c) throws ExecutionException if no task completes
1542	>	*/
1543	>	public void testInvokeAny4() throws Exception {
1544	>	final ExecutorService e =
1545	>	new ThreadPoolExecutor(2, 2,
1546	>	LONG_DELAY_MS, MILLISECONDS,
1547	>	new ArrayBlockingQueue<Runnable>(10));
1548	>	try (PoolCleaner cleaner = cleaner(e)) {
1549	>	List<Callable<String>> l = new ArrayList<>();
1550	>	l.add(new NPETask());
1551	>	try {
1552	>	e.invokeAny(l);
1553	>	shouldThrow();
1554	>	} catch (ExecutionException success) {
1555	>	assertTrue(success.getCause() instanceof NullPointerException);
1556	>	}
1557	>	}
1558	>	}
1559	>
1560	>	/**
1561	>	* invokeAny(c) returns result of some task
1562	>	*/
1563	>	public void testInvokeAny5() throws Exception {
1564	>	final ExecutorService e =
1565	>	new ThreadPoolExecutor(2, 2,
1566	>	LONG_DELAY_MS, MILLISECONDS,
1567	>	new ArrayBlockingQueue<Runnable>(10));
1568	>	try (PoolCleaner cleaner = cleaner(e)) {
1569	>	List<Callable<String>> l = new ArrayList<>();
1570	>	l.add(new StringTask());
1571	>	l.add(new StringTask());
1572	>	String result = e.invokeAny(l);
1573	>	assertSame(TEST_STRING, result);
1574	>	}
1575	>	}
1576	>
1577	>	/**
1578	>	* invokeAll(null) throws NPE
1579	>	*/
1580	>	public void testInvokeAll1() throws Exception {
1581	>	final ExecutorService e =
1582	>	new ThreadPoolExecutor(2, 2,
1583	>	LONG_DELAY_MS, MILLISECONDS,
1584	>	new ArrayBlockingQueue<Runnable>(10));
1585	>	try (PoolCleaner cleaner = cleaner(e)) {
1586	>	try {
1587	>	e.invokeAll(null);
1588	>	shouldThrow();
1589	>	} catch (NullPointerException success) {}
1590	>	}
1591	>	}
1592	>
1593	>	/**
1594	>	* invokeAll(empty collection) returns empty list
1595	>	*/
1596	>	public void testInvokeAll2() throws InterruptedException {
1597	>	final ExecutorService e =
1598	>	new ThreadPoolExecutor(2, 2,
1599	>	LONG_DELAY_MS, MILLISECONDS,
1600	>	new ArrayBlockingQueue<Runnable>(10));
1601	>	final Collection<Callable<String>> emptyCollection
1602	>	= Collections.emptyList();
1603	>	try (PoolCleaner cleaner = cleaner(e)) {
1604	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1605	>	assertTrue(r.isEmpty());
1606	>	}
1607	>	}
1608	>
1609	>	/**
1610	>	* invokeAll(c) throws NPE if c has null elements
1611	>	*/
1612	>	public void testInvokeAll3() throws Exception {
1613	>	final ExecutorService e =
1614	>	new ThreadPoolExecutor(2, 2,
1615	>	LONG_DELAY_MS, MILLISECONDS,
1616	>	new ArrayBlockingQueue<Runnable>(10));
1617	>	try (PoolCleaner cleaner = cleaner(e)) {
1618	>	List<Callable<String>> l = new ArrayList<>();
1619	>	l.add(new StringTask());
1620	>	l.add(null);
1621	>	try {
1622	>	e.invokeAll(l);
1623	>	shouldThrow();
1624	>	} catch (NullPointerException success) {}
1625	>	}
1626	>	}
1627	>
1628	>	/**
1629	>	* get of element of invokeAll(c) throws exception on failed task
1630	>	*/
1631	>	public void testInvokeAll4() throws Exception {
1632	>	final ExecutorService e =
1633	>	new ThreadPoolExecutor(2, 2,
1634	>	LONG_DELAY_MS, MILLISECONDS,
1635	>	new ArrayBlockingQueue<Runnable>(10));
1636	>	try (PoolCleaner cleaner = cleaner(e)) {
1637	>	List<Callable<String>> l = new ArrayList<>();
1638	>	l.add(new NPETask());
1639	>	List<Future<String>> futures = e.invokeAll(l);
1640	>	assertEquals(1, futures.size());
1641	>	try {
1642	>	futures.get(0).get();
1643	>	shouldThrow();
1644	>	} catch (ExecutionException success) {
1645	>	assertTrue(success.getCause() instanceof NullPointerException);
1646	>	}
1647	>	}
1648	>	}
1649	>
1650	>	/**
1651	>	* invokeAll(c) returns results of all completed tasks
1652	>	*/
1653	>	public void testInvokeAll5() throws Exception {
1654	>	final ExecutorService e =
1655	>	new ThreadPoolExecutor(2, 2,
1656	>	LONG_DELAY_MS, MILLISECONDS,
1657	>	new ArrayBlockingQueue<Runnable>(10));
1658	>	try (PoolCleaner cleaner = cleaner(e)) {
1659	>	List<Callable<String>> l = new ArrayList<>();
1660	>	l.add(new StringTask());
1661	>	l.add(new StringTask());
1662	>	List<Future<String>> futures = e.invokeAll(l);
1663	>	assertEquals(2, futures.size());
1664	>	for (Future<String> future : futures)
1665	>	assertSame(TEST_STRING, future.get());
1666	>	}
1667	>	}
1668	>
1669	>	/**
1670	>	* timed invokeAny(null) throws NPE
1671	>	*/
1672	>	public void testTimedInvokeAny1() throws Exception {
1673	>	final ExecutorService e =
1674	>	new ThreadPoolExecutor(2, 2,
1675	>	LONG_DELAY_MS, MILLISECONDS,
1676	>	new ArrayBlockingQueue<Runnable>(10));
1677	>	try (PoolCleaner cleaner = cleaner(e)) {
1678	>	try {
1679	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1680	>	shouldThrow();
1681	>	} catch (NullPointerException success) {}
1682	>	}
1683	>	}
1684	>
1685	>	/**
1686	>	* timed invokeAny(,,null) throws NPE
1687	>	*/
1688	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1689	>	final ExecutorService e =
1690	>	new ThreadPoolExecutor(2, 2,
1691	>	LONG_DELAY_MS, MILLISECONDS,
1692	>	new ArrayBlockingQueue<Runnable>(10));
1693	>	try (PoolCleaner cleaner = cleaner(e)) {
1694	>	List<Callable<String>> l = new ArrayList<>();
1695	>	l.add(new StringTask());
1696	>	try {
1697	>	e.invokeAny(l, randomTimeout(), null);
1698	>	shouldThrow();
1699	>	} catch (NullPointerException success) {}
1700	>	}
1701	>	}
1702	>
1703	>	/**
1704	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1705	>	*/
1706	>	public void testTimedInvokeAny2() throws Exception {
1707	>	final ExecutorService e =
1708	>	new ThreadPoolExecutor(2, 2,
1709	>	LONG_DELAY_MS, MILLISECONDS,
1710	>	new ArrayBlockingQueue<Runnable>(10));
1711	>	try (PoolCleaner cleaner = cleaner(e)) {
1712	>	try {
1713	>	e.invokeAny(new ArrayList<Callable<String>>(),
1714	>	randomTimeout(), randomTimeUnit());
1715	>	shouldThrow();
1716	>	} catch (IllegalArgumentException success) {}
1717	>	}
1718	>	}
1719	>
1720	>	/**
1721	>	* timed invokeAny(c) throws NullPointerException if c has null elements
1722	>	*/
1723	>	public void testTimedInvokeAny3() throws Exception {
1724	>	final CountDownLatch latch = new CountDownLatch(1);
1725	>	final ExecutorService e =
1726	>	new ThreadPoolExecutor(2, 2,
1727	>	LONG_DELAY_MS, MILLISECONDS,
1728	>	new ArrayBlockingQueue<Runnable>(10));
1729	>	try (PoolCleaner cleaner = cleaner(e)) {
1730	>	List<Callable<String>> l = new ArrayList<>();
1731	>	l.add(latchAwaitingStringTask(latch));
1732	>	l.add(null);
1733	>	try {
1734	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1735	>	shouldThrow();
1736	>	} catch (NullPointerException success) {}
1737	>	latch.countDown();
1738	>	}
1739	>	}
1740	>
1741	>	/**
1742	>	* timed invokeAny(c) throws ExecutionException if no task completes
1743	>	*/
1744	>	public void testTimedInvokeAny4() throws Exception {
1745	>	final ExecutorService e =
1746	>	new ThreadPoolExecutor(2, 2,
1747	>	LONG_DELAY_MS, MILLISECONDS,
1748	>	new ArrayBlockingQueue<Runnable>(10));
1749	>	try (PoolCleaner cleaner = cleaner(e)) {
1750	>	long startTime = System.nanoTime();
1751	>	List<Callable<String>> l = new ArrayList<>();
1752	>	l.add(new NPETask());
1753	>	try {
1754	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1755	>	shouldThrow();
1756	>	} catch (ExecutionException success) {
1757	>	assertTrue(success.getCause() instanceof NullPointerException);
1758	>	}
1759	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1760	>	}
1761	>	}
1762	>
1763	>	/**
1764	>	* timed invokeAny(c) returns result of some task
1765	>	*/
1766	>	public void testTimedInvokeAny5() throws Exception {
1767	>	final ExecutorService e =
1768	>	new ThreadPoolExecutor(2, 2,
1769	>	LONG_DELAY_MS, MILLISECONDS,
1770	>	new ArrayBlockingQueue<Runnable>(10));
1771	>	try (PoolCleaner cleaner = cleaner(e)) {
1772	>	long startTime = System.nanoTime();
1773	>	List<Callable<String>> l = new ArrayList<>();
1774	>	l.add(new StringTask());
1775	>	l.add(new StringTask());
1776	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1777	>	assertSame(TEST_STRING, result);
1778	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1779	>	}
1780	>	}
1781	>
1782	>	/**
1783	>	* timed invokeAll(null) throws NPE
1784	>	*/
1785	>	public void testTimedInvokeAll1() throws Exception {
1786	>	final ExecutorService e =
1787	>	new ThreadPoolExecutor(2, 2,
1788	>	LONG_DELAY_MS, MILLISECONDS,
1789	>	new ArrayBlockingQueue<Runnable>(10));
1790	>	try (PoolCleaner cleaner = cleaner(e)) {
1791	>	try {
1792	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1793	>	shouldThrow();
1794	>	} catch (NullPointerException success) {}
1795	>	}
1796	>	}
1797	>
1798	>	/**
1799	>	* timed invokeAll(,,null) throws NPE
1800	>	*/
1801	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1802	>	final ExecutorService e =
1803	>	new ThreadPoolExecutor(2, 2,
1804	>	LONG_DELAY_MS, MILLISECONDS,
1805	>	new ArrayBlockingQueue<Runnable>(10));
1806	>	try (PoolCleaner cleaner = cleaner(e)) {
1807	>	List<Callable<String>> l = new ArrayList<>();
1808	>	l.add(new StringTask());
1809	>	try {
1810	>	e.invokeAll(l, randomTimeout(), null);
1811	>	shouldThrow();
1812	>	} catch (NullPointerException success) {}
1813	>	}
1814	>	}
1815	>
1816	>	/**
1817	>	* timed invokeAll(empty collection) returns empty list
1818	>	*/
1819	>	public void testTimedInvokeAll2() throws InterruptedException {
1820	>	final ExecutorService e =
1821	>	new ThreadPoolExecutor(2, 2,
1822	>	LONG_DELAY_MS, MILLISECONDS,
1823	>	new ArrayBlockingQueue<Runnable>(10));
1824	>	final Collection<Callable<String>> emptyCollection
1825	>	= Collections.emptyList();
1826	>	try (PoolCleaner cleaner = cleaner(e)) {
1827	>	List<Future<String>> r =
1828	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1829	>	assertTrue(r.isEmpty());
1830	>	}
1831	>	}
1832	>
1833	>	/**
1834	>	* timed invokeAll(c) throws NPE if c has null elements
1835	>	*/
1836	>	public void testTimedInvokeAll3() throws Exception {
1837	>	final ExecutorService e =
1838	>	new ThreadPoolExecutor(2, 2,
1839	>	LONG_DELAY_MS, MILLISECONDS,
1840	>	new ArrayBlockingQueue<Runnable>(10));
1841	>	try (PoolCleaner cleaner = cleaner(e)) {
1842	>	List<Callable<String>> l = new ArrayList<>();
1843	>	l.add(new StringTask());
1844	>	l.add(null);
1845	>	try {
1846	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1847	>	shouldThrow();
1848	>	} catch (NullPointerException success) {}
1849	>	}
1850	>	}
1851	>
1852	>	/**
1853	>	* get of element of invokeAll(c) throws exception on failed task
1854	>	*/
1855	>	public void testTimedInvokeAll4() throws Exception {
1856	>	final ExecutorService e =
1857	>	new ThreadPoolExecutor(2, 2,
1858	>	LONG_DELAY_MS, MILLISECONDS,
1859	>	new ArrayBlockingQueue<Runnable>(10));
1860	>	try (PoolCleaner cleaner = cleaner(e)) {
1861	>	List<Callable<String>> l = new ArrayList<>();
1862	>	l.add(new NPETask());
1863	>	List<Future<String>> futures =
1864	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1865	>	assertEquals(1, futures.size());
1866	>	try {
1867	>	futures.get(0).get();
1868	>	shouldThrow();
1869	>	} catch (ExecutionException success) {
1870	>	assertTrue(success.getCause() instanceof NullPointerException);
1871	>	}
1872	>	}
1873	>	}
1874	>
1875	>	/**
1876	>	* timed invokeAll(c) returns results of all completed tasks
1877	>	*/
1878	>	public void testTimedInvokeAll5() throws Exception {
1879	>	final ExecutorService e =
1880	>	new ThreadPoolExecutor(2, 2,
1881	>	LONG_DELAY_MS, MILLISECONDS,
1882	>	new ArrayBlockingQueue<Runnable>(10));
1883	>	try (PoolCleaner cleaner = cleaner(e)) {
1884	>	List<Callable<String>> l = new ArrayList<>();
1885	>	l.add(new StringTask());
1886	>	l.add(new StringTask());
1887	>	List<Future<String>> futures =
1888	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1889	>	assertEquals(2, futures.size());
1890	>	for (Future<String> future : futures)
1891	>	assertSame(TEST_STRING, future.get());
1892	>	}
1893	>	}
1894	>
1895	>	/**
1896	>	* timed invokeAll(c) cancels tasks not completed by timeout
1897	>	*/
1898	>	public void testTimedInvokeAll6() throws Exception {
1899	>	for (long timeout = timeoutMillis();;) {
1900	>	final CountDownLatch done = new CountDownLatch(1);
1901	>	final Callable<String> waiter = new CheckedCallable<String>() {
1902	>	public String realCall() {
1903	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1904	>	catch (InterruptedException ok) {}
1905	>	return "1"; }};
1906	>	final ExecutorService p =
1907	>	new ThreadPoolExecutor(2, 2,
1908	>	LONG_DELAY_MS, MILLISECONDS,
1909	>	new ArrayBlockingQueue<Runnable>(10));
1910	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1911	>	List<Callable<String>> tasks = new ArrayList<>();
1912	>	tasks.add(new StringTask("0"));
1913	>	tasks.add(waiter);
1914	>	tasks.add(new StringTask("2"));
1915	>	long startTime = System.nanoTime();
1916	>	List<Future<String>> futures =
1917	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1918	>	assertEquals(tasks.size(), futures.size());
1919	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1920	>	for (Future future : futures)
1921	>	assertTrue(future.isDone());
1922	>	assertTrue(futures.get(1).isCancelled());
1923	>	try {
1924	>	assertEquals("0", futures.get(0).get());
1925	>	assertEquals("2", futures.get(2).get());
1926	>	break;
1927	>	} catch (CancellationException retryWithLongerTimeout) {
1928	>	timeout *= 2;
1929	>	if (timeout >= LONG_DELAY_MS / 2)
1930	>	fail("expected exactly one task to be cancelled");
1931	>	}
1932	>	}
1933	>	}
1934	>	}
1935	>
1936	>	/**
1937	>	* Execution continues if there is at least one thread even if
1938	>	* thread factory fails to create more
1939	>	*/
1940	>	public void testFailingThreadFactory() throws InterruptedException {
1941	>	final ExecutorService e =
1942	>	new ThreadPoolExecutor(100, 100,
1943	>	LONG_DELAY_MS, MILLISECONDS,
1944	>	new LinkedBlockingQueue<Runnable>(),
1945	>	new FailingThreadFactory());
1946	>	try (PoolCleaner cleaner = cleaner(e)) {
1947	>	final int TASKS = 100;
1948	>	final CountDownLatch done = new CountDownLatch(TASKS);
1949	>	for (int k = 0; k < TASKS; ++k)
1950	>	e.execute(new CheckedRunnable() {
1951	>	public void realRun() {
1952	>	done.countDown();
1953	>	}});
1954	>	await(done);
1955	>	}
1956	>	}
1957	>
1958	>	/**
1959	>	* allowsCoreThreadTimeOut is by default false.
1960	>	*/
1961	>	public void testAllowsCoreThreadTimeOut() {
1962	>	final ThreadPoolExecutor p =
1963	>	new ThreadPoolExecutor(2, 2,
1964	>	1000, MILLISECONDS,
1965	>	new ArrayBlockingQueue<Runnable>(10));
1966	>	try (PoolCleaner cleaner = cleaner(p)) {
1967	>	assertFalse(p.allowsCoreThreadTimeOut());
1968	>	}
1969	>	}
1970	>
1971	>	/**
1972	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1973	>	*/
1974	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1975	>	long keepAliveTime = timeoutMillis();
1976	>	final ThreadPoolExecutor p =
1977	>	new ThreadPoolExecutor(2, 10,
1978	>	keepAliveTime, MILLISECONDS,
1979	>	new ArrayBlockingQueue<Runnable>(10));
1980	>	try (PoolCleaner cleaner = cleaner(p)) {
1981	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1982	>	p.allowCoreThreadTimeOut(true);
1983	>	p.execute(new CheckedRunnable() {
1984	>	public void realRun() {
1985	>	threadStarted.countDown();
1986	>	assertEquals(1, p.getPoolSize());
1987	>	}});
1988	>	await(threadStarted);
1989	>	delay(keepAliveTime);
1990	>	long startTime = System.nanoTime();
1991	>	while (p.getPoolSize() > 0
1992	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1993	>	Thread.yield();
1994	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1995	>	assertEquals(0, p.getPoolSize());
1996	>	}
1997	>	}
1998	>
1999	>	/**
2000	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2001	>	*/
2002	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2003	>	long keepAliveTime = timeoutMillis();
2004	>	final ThreadPoolExecutor p =
2005	>	new ThreadPoolExecutor(2, 10,
2006	>	keepAliveTime, MILLISECONDS,
2007	>	new ArrayBlockingQueue<Runnable>(10));
2008	>	try (PoolCleaner cleaner = cleaner(p)) {
2009	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2010	>	p.allowCoreThreadTimeOut(false);
2011	>	p.execute(new CheckedRunnable() {
2012	>	public void realRun() throws InterruptedException {
2013	>	threadStarted.countDown();
2014	>	assertTrue(p.getPoolSize() >= 1);
2015	>	}});
2016	>	delay(2 * keepAliveTime);
2017	>	assertTrue(p.getPoolSize() >= 1);
2018	>	}
2019	>	}
2020	>
2021	>	/**
2022	>	* execute allows the same task to be submitted multiple times, even
2023	>	* if rejected
2024	>	*/
2025	>	public void testRejectedRecycledTask() throws InterruptedException {
2026	>	final int nTasks = 1000;
2027	>	final CountDownLatch done = new CountDownLatch(nTasks);
2028	>	final Runnable recycledTask = new Runnable() {
2029	>	public void run() {
2030	>	done.countDown();
2031	>	}};
2032	>	final ThreadPoolExecutor p =
2033	>	new ThreadPoolExecutor(1, 30,
2034	>	60, SECONDS,
2035	>	new ArrayBlockingQueue(30));
2036	>	try (PoolCleaner cleaner = cleaner(p)) {
2037	>	for (int i = 0; i < nTasks; ++i) {
2038	>	for (;;) {
2039	>	try {
2040	>	p.execute(recycledTask);
2041	>	break;
2042	>	}
2043	>	catch (RejectedExecutionException ignore) {}
2044	>	}
2045	>	}
2046	>	// enough time to run all tasks
2047	>	await(done, nTasks * SHORT_DELAY_MS);
2048	>	}
2049	>	}
2050	>
2051	>	/**
2052	>	* get(cancelled task) throws CancellationException
2053	>	*/
2054	>	public void testGet_cancelled() throws Exception {
2055	>	final CountDownLatch done = new CountDownLatch(1);
2056	>	final ExecutorService e =
2057	>	new ThreadPoolExecutor(1, 1,
2058	>	LONG_DELAY_MS, MILLISECONDS,
2059	>	new LinkedBlockingQueue<Runnable>());
2060	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2061	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2062	>	final List<Future<?>> futures = new ArrayList<>();
2063	>	for (int i = 0; i < 2; i++) {
2064	>	Runnable r = new CheckedRunnable() { public void realRun()
2065	>	throws Throwable {
2066	>	blockerStarted.countDown();
2067	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2068	>	}};
2069	>	futures.add(e.submit(r));
2070	>	}
2071	>	await(blockerStarted);
2072	>	for (Future<?> future : futures) future.cancel(false);
2073	>	for (Future<?> future : futures) {
2074	>	try {
2075	>	future.get();
2076	>	shouldThrow();
2077	>	} catch (CancellationException success) {}
2078	>	try {
2079	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2080	>	shouldThrow();
2081	>	} catch (CancellationException success) {}
2082	>	assertTrue(future.isCancelled());
2083	>	assertTrue(future.isDone());
2084	>	}
2085	>	}
2086	>	}
2087	>
2088	>	/** Directly test simple ThreadPoolExecutor RejectedExecutionHandlers. */
2089	>	public void testStandardRejectedExecutionHandlers() {
2090	>	final ThreadPoolExecutor p =
2091	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
2092	>	new ArrayBlockingQueue<Runnable>(1));
2093	>	final AtomicReference<Thread> thread = new AtomicReference<>();
2094	>	final Runnable r = new Runnable() { public void run() {
2095	>	thread.set(Thread.currentThread()); }};
2096	>
2097	>	try {
2098	>	new AbortPolicy().rejectedExecution(r, p);
2099	>	shouldThrow();
2100	>	} catch (RejectedExecutionException success) {}
2101	>	assertNull(thread.get());
2102	>
2103	>	new DiscardPolicy().rejectedExecution(r, p);
2104	>	assertNull(thread.get());
2105	>
2106	>	new CallerRunsPolicy().rejectedExecution(r, p);
2107	>	assertSame(Thread.currentThread(), thread.get());
2108	>
2109	>	// check that pool was not perturbed by handlers
2110	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
2111	>	assertEquals(0, p.getTaskCount());
2112	>	assertTrue(p.getQueue().isEmpty());
2113	>	}
2114	>
2115		}

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