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

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