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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.118 by jsr166, Mon May 29 19:15:03 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.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.ExecutorService;
22	+	import java.util.concurrent.Future;
23	+	import java.util.concurrent.FutureTask;
24	+	import java.util.concurrent.LinkedBlockingQueue;
25	+	import java.util.concurrent.RejectedExecutionException;
26	+	import java.util.concurrent.RejectedExecutionHandler;
27	+	import java.util.concurrent.SynchronousQueue;
28	+	import java.util.concurrent.ThreadFactory;
29	+	import java.util.concurrent.ThreadPoolExecutor;
30	+	import java.util.concurrent.atomic.AtomicInteger;
31	+
32	+	import junit.framework.Test;
33	+	import junit.framework.TestSuite;
34
35	<	public class ThreadPoolExecutorTest extends TestCase{
35	>	public class ThreadPoolExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
16	–
17	–
39		public static Test suite() {
40		return new TestSuite(ThreadPoolExecutorTest.class);
41		}
42	<
43	<	private static long SHORT_DELAY_MS = 100;
44	<	private static long MEDIUM_DELAY_MS = 1000;
45	<	private static long LONG_DELAY_MS = 10000;
46	<
47	<	//---- testThread class to implement ThreadFactory for use in constructors
48	<	static class testThread implements ThreadFactory{
49	<	public Thread newThread(Runnable r){
42	>
43	>	static class ExtendedTPE extends ThreadPoolExecutor {
44	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
45	>	final CountDownLatch afterCalled = new CountDownLatch(1);
46	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
47	>
48	>	public ExtendedTPE() {
49	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
50	>	}
51	>	protected void beforeExecute(Thread t, Runnable r) {
52	>	beforeCalled.countDown();
53	>	}
54	>	protected void afterExecute(Runnable r, Throwable t) {
55	>	afterCalled.countDown();
56	>	}
57	>	protected void terminated() {
58	>	terminatedCalled.countDown();
59	>	}
60	>
61	>	public boolean beforeCalled() {
62	>	return beforeCalled.getCount() == 0;
63	>	}
64	>	public boolean afterCalled() {
65	>	return afterCalled.getCount() == 0;
66	>	}
67	>	public boolean terminatedCalled() {
68	>	return terminatedCalled.getCount() == 0;
69	>	}
70	>	}
71	>
72	>	static class FailingThreadFactory implements ThreadFactory {
73	>	int calls = 0;
74	>	public Thread newThread(Runnable r) {
75	>	if (++calls > 1) return null;
76		return new Thread(r);
77	<	}
77	>	}
78		}
79
80	<	//---- testReject class to implement RejectedExecutionHandler for use in the constructors
81	<	static class testReject implements RejectedExecutionHandler{
82	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
80	>	/**
81	>	* execute successfully executes a runnable
82	>	*/
83	>	public void testExecute() throws InterruptedException {
84	>	final ThreadPoolExecutor p =
85	>	new ThreadPoolExecutor(1, 1,
86	>	LONG_DELAY_MS, MILLISECONDS,
87	>	new ArrayBlockingQueue<Runnable>(10));
88	>	try (PoolCleaner cleaner = cleaner(p)) {
89	>	final CountDownLatch done = new CountDownLatch(1);
90	>	final Runnable task = new CheckedRunnable() {
91	>	public void realRun() { done.countDown(); }};
92	>	p.execute(task);
93	>	await(done);
94	>	}
95		}
96
97	<	public Runnable newRunnable(){
98	<	return new Runnable(){
99	<	public void run(){
100	<	try{Thread.sleep(MEDIUM_DELAY_MS);
101	<	} catch(Exception e){
102	<	}
103	<	}
104	<	};
97	>	/**
98	>	* getActiveCount increases but doesn't overestimate, when a
99	>	* thread becomes active
100	>	*/
101	>	public void testGetActiveCount() throws InterruptedException {
102	>	final CountDownLatch done = new CountDownLatch(1);
103	>	final ThreadPoolExecutor p =
104	>	new ThreadPoolExecutor(2, 2,
105	>	LONG_DELAY_MS, MILLISECONDS,
106	>	new ArrayBlockingQueue<Runnable>(10));
107	>	try (PoolCleaner cleaner = cleaner(p, done)) {
108	>	final CountDownLatch threadStarted = new CountDownLatch(1);
109	>	assertEquals(0, p.getActiveCount());
110	>	p.execute(new CheckedRunnable() {
111	>	public void realRun() throws InterruptedException {
112	>	threadStarted.countDown();
113	>	assertEquals(1, p.getActiveCount());
114	>	await(done);
115	>	}});
116	>	await(threadStarted);
117	>	assertEquals(1, p.getActiveCount());
118	>	}
119		}
120
48	–
121		/**
122	<	*  Test to verify that execute successfully executes a runnable
122	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
123		*/
124	<	public void testExecute(){
125	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
126	<	try {
127	<	one.execute(new Runnable(){
128	<	public void run(){
129	<	try{
130	<	Thread.sleep(SHORT_DELAY_MS);
131	<	}catch(InterruptedException e){
132	<	fail("unexpected exception");
133	<	}
134	<	}
135	<	});
136	<	Thread.sleep(SHORT_DELAY_MS * 2);
137	<	}catch(InterruptedException e){
138	<	fail("unexpected exception");
139	<	} finally {
140	<	one.shutdown();
124	>	public void testPrestartCoreThread() {
125	>	final ThreadPoolExecutor p =
126	>	new ThreadPoolExecutor(2, 6,
127	>	LONG_DELAY_MS, MILLISECONDS,
128	>	new ArrayBlockingQueue<Runnable>(10));
129	>	try (PoolCleaner cleaner = cleaner(p)) {
130	>	assertEquals(0, p.getPoolSize());
131	>	assertTrue(p.prestartCoreThread());
132	>	assertEquals(1, p.getPoolSize());
133	>	assertTrue(p.prestartCoreThread());
134	>	assertEquals(2, p.getPoolSize());
135	>	assertFalse(p.prestartCoreThread());
136	>	assertEquals(2, p.getPoolSize());
137	>	p.setCorePoolSize(4);
138	>	assertTrue(p.prestartCoreThread());
139	>	assertEquals(3, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(4, p.getPoolSize());
142	>	assertFalse(p.prestartCoreThread());
143	>	assertEquals(4, p.getPoolSize());
144		}
145		}
146
147		/**
148	<	*  Test to verify getActiveCount gives correct values
148	>	* prestartAllCoreThreads starts all corePoolSize threads
149		*/
150	<	public void testGetActiveCount(){
151	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
152	<	try {
153	<	assertEquals(0, two.getActiveCount());
154	<	two.execute(newRunnable());
155	<	try{Thread.sleep(10);}catch(Exception e){}
156	<	assertEquals(1, two.getActiveCount());
157	<	} finally {
158	<	two.shutdown();
150	>	public void testPrestartAllCoreThreads() {
151	>	final ThreadPoolExecutor p =
152	>	new ThreadPoolExecutor(2, 6,
153	>	LONG_DELAY_MS, MILLISECONDS,
154	>	new ArrayBlockingQueue<Runnable>(10));
155	>	try (PoolCleaner cleaner = cleaner(p)) {
156	>	assertEquals(0, p.getPoolSize());
157	>	p.prestartAllCoreThreads();
158	>	assertEquals(2, p.getPoolSize());
159	>	p.prestartAllCoreThreads();
160	>	assertEquals(2, p.getPoolSize());
161	>	p.setCorePoolSize(4);
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(4, p.getPoolSize());
164	>	p.prestartAllCoreThreads();
165	>	assertEquals(4, p.getPoolSize());
166		}
167		}
168	<
168	>
169		/**
170	<	*  Test to verify getCompleteTaskCount gives correct values
170	>	* getCompletedTaskCount increases, but doesn't overestimate,
171	>	* when tasks complete
172		*/
173	<	public void testGetCompletedTaskCount(){
174	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
175	<	try {
176	<	assertEquals(0, two.getCompletedTaskCount());
177	<	two.execute(newRunnable());
178	<	try{Thread.sleep(2000);}catch(Exception e){}
179	<	assertEquals(1, two.getCompletedTaskCount());
180	<	} finally {
181	<	two.shutdown();
173	>	public void testGetCompletedTaskCount() throws InterruptedException {
174	>	final ThreadPoolExecutor p =
175	>	new ThreadPoolExecutor(2, 2,
176	>	LONG_DELAY_MS, MILLISECONDS,
177	>	new ArrayBlockingQueue<Runnable>(10));
178	>	try (PoolCleaner cleaner = cleaner(p)) {
179	>	final CountDownLatch threadStarted = new CountDownLatch(1);
180	>	final CountDownLatch threadProceed = new CountDownLatch(1);
181	>	final CountDownLatch threadDone = new CountDownLatch(1);
182	>	assertEquals(0, p.getCompletedTaskCount());
183	>	p.execute(new CheckedRunnable() {
184	>	public void realRun() throws InterruptedException {
185	>	threadStarted.countDown();
186	>	assertEquals(0, p.getCompletedTaskCount());
187	>	await(threadProceed);
188	>	threadDone.countDown();
189	>	}});
190	>	await(threadStarted);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	threadProceed.countDown();
193	>	await(threadDone);
194	>	long startTime = System.nanoTime();
195	>	while (p.getCompletedTaskCount() != 1) {
196	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
197	>	fail("timed out");
198	>	Thread.yield();
199	>	}
200		}
201		}
202	<
202	>
203		/**
204	<	*  Test to verify getCorePoolSize gives correct values
204	>	* getCorePoolSize returns size given in constructor if not otherwise set
205		*/
206	<	public void testGetCorePoolSize(){
207	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
208	<	try {
209	<	assertEquals(1, one.getCorePoolSize());
210	<	} finally {
211	<	one.shutdown();
206	>	public void testGetCorePoolSize() {
207	>	final ThreadPoolExecutor p =
208	>	new ThreadPoolExecutor(1, 1,
209	>	LONG_DELAY_MS, MILLISECONDS,
210	>	new ArrayBlockingQueue<Runnable>(10));
211	>	try (PoolCleaner cleaner = cleaner(p)) {
212	>	assertEquals(1, p.getCorePoolSize());
213		}
214		}
215	<
215	>
216		/**
217	<	*  Test to verify getKeepAliveTime gives correct values
217	>	* getKeepAliveTime returns value given in constructor if not otherwise set
218		*/
219	<	public void testGetKeepAliveTime(){
220	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
221	<	try {
222	<	assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
223	<	} finally {
224	<	two.shutdown();
219	>	public void testGetKeepAliveTime() {
220	>	final ThreadPoolExecutor p =
221	>	new ThreadPoolExecutor(2, 2,
222	>	1000, MILLISECONDS,
223	>	new ArrayBlockingQueue<Runnable>(10));
224	>	try (PoolCleaner cleaner = cleaner(p)) {
225	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
226		}
227		}
228	<
228	>
229		/**
230	<	*  Test to verify getLargestPoolSize gives correct values
230	>	* getThreadFactory returns factory in constructor if not set
231		*/
232	<	public void testGetLargestPoolSize(){
233	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
234	<	try {
235	<	assertEquals(0, two.getLargestPoolSize());
236	<	two.execute(newRunnable());
237	<	two.execute(newRunnable());
238	<	try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
239	<	assertEquals(2, two.getLargestPoolSize());
240	<	} finally {
241	<	two.shutdown();
232	>	public void testGetThreadFactory() {
233	>	ThreadFactory threadFactory = new SimpleThreadFactory();
234	>	final ThreadPoolExecutor p =
235	>	new ThreadPoolExecutor(1, 2,
236	>	LONG_DELAY_MS, MILLISECONDS,
237	>	new ArrayBlockingQueue<Runnable>(10),
238	>	threadFactory,
239	>	new NoOpREHandler());
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	assertSame(threadFactory, p.getThreadFactory());
242		}
243		}
244	<
244	>
245		/**
246	<	*  Test to verify getMaximumPoolSize gives correct values
246	>	* setThreadFactory sets the thread factory returned by getThreadFactory
247		*/
248	<	public void testGetMaximumPoolSize(){
249	<	ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
250	<	try {
251	<	assertEquals(2, two.getMaximumPoolSize());
252	<	} finally {
253	<	two.shutdown();
248	>	public void testSetThreadFactory() {
249	>	final ThreadPoolExecutor p =
250	>	new ThreadPoolExecutor(1, 2,
251	>	LONG_DELAY_MS, MILLISECONDS,
252	>	new ArrayBlockingQueue<Runnable>(10));
253	>	try (PoolCleaner cleaner = cleaner(p)) {
254	>	ThreadFactory threadFactory = new SimpleThreadFactory();
255	>	p.setThreadFactory(threadFactory);
256	>	assertSame(threadFactory, p.getThreadFactory());
257		}
258		}
259	<
259	>
260		/**
261	<	*  Test to verify getPoolSize gives correct values
261	>	* setThreadFactory(null) throws NPE
262		*/
263	<	public void testGetPoolSize(){
264	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
265	<	try {
266	<	assertEquals(0, one.getPoolSize());
267	<	one.execute(newRunnable());
268	<	assertEquals(1, one.getPoolSize());
269	<	} finally {
270	<	one.shutdown();
263	>	public void testSetThreadFactoryNull() {
264	>	final ThreadPoolExecutor p =
265	>	new ThreadPoolExecutor(1, 2,
266	>	LONG_DELAY_MS, MILLISECONDS,
267	>	new ArrayBlockingQueue<Runnable>(10));
268	>	try (PoolCleaner cleaner = cleaner(p)) {
269	>	try {
270	>	p.setThreadFactory(null);
271	>	shouldThrow();
272	>	} catch (NullPointerException success) {}
273		}
274		}
275	<
275	>
276		/**
277	<	*  Test to verify getTaskCount gives correct values
277	>	* The default rejected execution handler is AbortPolicy.
278		*/
279	<	public void testGetTaskCount(){
280	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
281	<	try {
282	<	assertEquals(0, one.getTaskCount());
283	<	for(int i = 0; i < 5; i++)
284	<	one.execute(newRunnable());
285	<	try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
286	<	assertEquals(5, one.getTaskCount());
179	<	} finally {
180	<	one.shutdown();
279	>	public void testDefaultRejectedExecutionHandler() {
280	>	final ThreadPoolExecutor p =
281	>	new ThreadPoolExecutor(1, 2,
282	>	LONG_DELAY_MS, MILLISECONDS,
283	>	new ArrayBlockingQueue<Runnable>(10));
284	>	try (PoolCleaner cleaner = cleaner(p)) {
285	>	assertTrue(p.getRejectedExecutionHandler()
286	>	instanceof ThreadPoolExecutor.AbortPolicy);
287		}
288		}
289	<
289	>
290		/**
291	<	*  Test to verify isShutDown gives correct values
291	>	* getRejectedExecutionHandler returns handler in constructor if not set
292		*/
293	<	public void testIsShutdown(){
294	<
295	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
296	<	try {
297	<	assertFalse(one.isShutdown());
293	>	public void testGetRejectedExecutionHandler() {
294	>	final RejectedExecutionHandler handler = new NoOpREHandler();
295	>	final ThreadPoolExecutor p =
296	>	new ThreadPoolExecutor(1, 2,
297	>	LONG_DELAY_MS, MILLISECONDS,
298	>	new ArrayBlockingQueue<Runnable>(10),
299	>	handler);
300	>	try (PoolCleaner cleaner = cleaner(p)) {
301	>	assertSame(handler, p.getRejectedExecutionHandler());
302	>	}
303	>	}
304	>
305	>	/**
306	>	* setRejectedExecutionHandler sets the handler returned by
307	>	* getRejectedExecutionHandler
308	>	*/
309	>	public void testSetRejectedExecutionHandler() {
310	>	final ThreadPoolExecutor p =
311	>	new ThreadPoolExecutor(1, 2,
312	>	LONG_DELAY_MS, MILLISECONDS,
313	>	new ArrayBlockingQueue<Runnable>(10));
314	>	try (PoolCleaner cleaner = cleaner(p)) {
315	>	RejectedExecutionHandler handler = new NoOpREHandler();
316	>	p.setRejectedExecutionHandler(handler);
317	>	assertSame(handler, p.getRejectedExecutionHandler());
318		}
319	<	finally {
320	<	one.shutdown();
319	>	}
320	>
321	>	/**
322	>	* setRejectedExecutionHandler(null) throws NPE
323	>	*/
324	>	public void testSetRejectedExecutionHandlerNull() {
325	>	final ThreadPoolExecutor p =
326	>	new ThreadPoolExecutor(1, 2,
327	>	LONG_DELAY_MS, MILLISECONDS,
328	>	new ArrayBlockingQueue<Runnable>(10));
329	>	try (PoolCleaner cleaner = cleaner(p)) {
330	>	try {
331	>	p.setRejectedExecutionHandler(null);
332	>	shouldThrow();
333	>	} catch (NullPointerException success) {}
334		}
196	–	assertTrue(one.isShutdown());
335		}
336
199	–
337		/**
338	<	*  Test to verify isTerminated gives correct values
339	<	*  Makes sure termination does not take an innapropriate
203	<	*  amount of time
338	>	* getLargestPoolSize increases, but doesn't overestimate, when
339	>	* multiple threads active
340		*/
341	<	public void testIsTerminated(){
342	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
343	<	try {
344	<	one.execute(newRunnable());
345	<	} finally {
346	<	one.shutdown();
341	>	public void testGetLargestPoolSize() throws InterruptedException {
342	>	final int THREADS = 3;
343	>	final CountDownLatch done = new CountDownLatch(1);
344	>	final ThreadPoolExecutor p =
345	>	new ThreadPoolExecutor(THREADS, THREADS,
346	>	LONG_DELAY_MS, MILLISECONDS,
347	>	new ArrayBlockingQueue<Runnable>(10));
348	>	try (PoolCleaner cleaner = cleaner(p, done)) {
349	>	assertEquals(0, p.getLargestPoolSize());
350	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
351	>	for (int i = 0; i < THREADS; i++)
352	>	p.execute(new CheckedRunnable() {
353	>	public void realRun() throws InterruptedException {
354	>	threadsStarted.countDown();
355	>	await(done);
356	>	assertEquals(THREADS, p.getLargestPoolSize());
357	>	}});
358	>	await(threadsStarted);
359	>	assertEquals(THREADS, p.getLargestPoolSize());
360		}
361	<	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");
361	>	assertEquals(THREADS, p.getLargestPoolSize());
362		}
363
364		/**
365	<	*  Test to verify that purge correctly removes cancelled tasks
366	<	*  from the queue
365	>	* getMaximumPoolSize returns value given in constructor if not
366	>	* otherwise set
367		*/
368	<	public void testPurge(){
369	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
370	<	try {
371	<	CancellableTask[] tasks = new CancellableTask[5];
372	<	for(int i = 0; i < 5; i++){
373	<	tasks[i] = new CancellableTask(newRunnable());
374	<	one.execute(tasks[i]);
368	>	public void testGetMaximumPoolSize() {
369	>	final ThreadPoolExecutor p =
370	>	new ThreadPoolExecutor(2, 3,
371	>	LONG_DELAY_MS, MILLISECONDS,
372	>	new ArrayBlockingQueue<Runnable>(10));
373	>	try (PoolCleaner cleaner = cleaner(p)) {
374	>	assertEquals(3, p.getMaximumPoolSize());
375	>	p.setMaximumPoolSize(5);
376	>	assertEquals(5, p.getMaximumPoolSize());
377	>	p.setMaximumPoolSize(4);
378	>	assertEquals(4, p.getMaximumPoolSize());
379	>	}
380	>	}
381	>
382	>	/**
383	>	* getPoolSize increases, but doesn't overestimate, when threads
384	>	* become active
385	>	*/
386	>	public void testGetPoolSize() throws InterruptedException {
387	>	final CountDownLatch done = new CountDownLatch(1);
388	>	final ThreadPoolExecutor p =
389	>	new ThreadPoolExecutor(1, 1,
390	>	LONG_DELAY_MS, MILLISECONDS,
391	>	new ArrayBlockingQueue<Runnable>(10));
392	>	try (PoolCleaner cleaner = cleaner(p, done)) {
393	>	assertEquals(0, p.getPoolSize());
394	>	final CountDownLatch threadStarted = new CountDownLatch(1);
395	>	p.execute(new CheckedRunnable() {
396	>	public void realRun() throws InterruptedException {
397	>	threadStarted.countDown();
398	>	assertEquals(1, p.getPoolSize());
399	>	await(done);
400	>	}});
401	>	await(threadStarted);
402	>	assertEquals(1, p.getPoolSize());
403	>	}
404	>	}
405	>
406	>	/**
407	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
408	>	*/
409	>	public void testGetTaskCount() throws InterruptedException {
410	>	final int TASKS = 3;
411	>	final CountDownLatch done = new CountDownLatch(1);
412	>	final ThreadPoolExecutor p =
413	>	new ThreadPoolExecutor(1, 1,
414	>	LONG_DELAY_MS, MILLISECONDS,
415	>	new ArrayBlockingQueue<Runnable>(10));
416	>	try (PoolCleaner cleaner = cleaner(p, done)) {
417	>	final CountDownLatch threadStarted = new CountDownLatch(1);
418	>	assertEquals(0, p.getTaskCount());
419	>	assertEquals(0, p.getCompletedTaskCount());
420	>	p.execute(new CheckedRunnable() {
421	>	public void realRun() throws InterruptedException {
422	>	threadStarted.countDown();
423	>	await(done);
424	>	}});
425	>	await(threadStarted);
426	>	assertEquals(1, p.getTaskCount());
427	>	assertEquals(0, p.getCompletedTaskCount());
428	>	for (int i = 0; i < TASKS; i++) {
429	>	assertEquals(1 + i, p.getTaskCount());
430	>	p.execute(new CheckedRunnable() {
431	>	public void realRun() throws InterruptedException {
432	>	threadStarted.countDown();
433	>	assertEquals(1 + TASKS, p.getTaskCount());
434	>	await(done);
435	>	}});
436		}
437	<	tasks[4].cancel(true);
438	<	tasks[3].cancel(true);
235	<	one.purge();
236	<	long count = one.getTaskCount();
237	<	assertTrue(count >= 2 && count < 5);
238	<	} finally {
239	<	one.shutdown();
437	>	assertEquals(1 + TASKS, p.getTaskCount());
438	>	assertEquals(0, p.getCompletedTaskCount());
439		}
440	+	assertEquals(1 + TASKS, p.getTaskCount());
441	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
442		}
443
444		/**
445	<	*  Test to verify shutDownNow returns a list
245	<	*  containing the correct number of elements
445	>	* isShutdown is false before shutdown, true after
446		*/
447	<	public void testShutDownNow(){
448	<	ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
449	<	List l;
450	<	try {
451	<	for(int i = 0; i < 5; i++)
452	<	one.execute(newRunnable());
447	>	public void testIsShutdown() {
448	>	final ThreadPoolExecutor p =
449	>	new ThreadPoolExecutor(1, 1,
450	>	LONG_DELAY_MS, MILLISECONDS,
451	>	new ArrayBlockingQueue<Runnable>(10));
452	>	try (PoolCleaner cleaner = cleaner(p)) {
453	>	assertFalse(p.isShutdown());
454	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
455	>	assertTrue(p.isShutdown());
456	>	}
457	>	}
458	>
459	>	/**
460	>	* awaitTermination on a non-shutdown pool times out
461	>	*/
462	>	public void testAwaitTermination_timesOut() throws InterruptedException {
463	>	final ThreadPoolExecutor p =
464	>	new ThreadPoolExecutor(1, 1,
465	>	LONG_DELAY_MS, MILLISECONDS,
466	>	new ArrayBlockingQueue<Runnable>(10));
467	>	try (PoolCleaner cleaner = cleaner(p)) {
468	>	assertFalse(p.isTerminated());
469	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
470	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
471	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
472	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
473	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
474	>	randomTimeUnit()));
475	>	long timeoutNanos = 999999L;
476	>	long startTime = System.nanoTime();
477	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
478	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
479	>	assertFalse(p.isTerminated());
480	>	startTime = System.nanoTime();
481	>	long timeoutMillis = timeoutMillis();
482	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
483	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
484	>	assertFalse(p.isTerminated());
485	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
486	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
487	>	assertTrue(p.isTerminated());
488	>	}
489	>	}
490	>
491	>	/**
492	>	* isTerminated is false before termination, true after
493	>	*/
494	>	public void testIsTerminated() throws InterruptedException {
495	>	final ThreadPoolExecutor p =
496	>	new ThreadPoolExecutor(1, 1,
497	>	LONG_DELAY_MS, MILLISECONDS,
498	>	new ArrayBlockingQueue<Runnable>(10));
499	>	try (PoolCleaner cleaner = cleaner(p)) {
500	>	final CountDownLatch threadStarted = new CountDownLatch(1);
501	>	final CountDownLatch done = new CountDownLatch(1);
502	>	assertFalse(p.isTerminating());
503	>	p.execute(new CheckedRunnable() {
504	>	public void realRun() throws InterruptedException {
505	>	assertFalse(p.isTerminating());
506	>	threadStarted.countDown();
507	>	await(done);
508	>	}});
509	>	await(threadStarted);
510	>	assertFalse(p.isTerminating());
511	>	done.countDown();
512	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
513	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
514	>	assertTrue(p.isTerminated());
515	>	assertFalse(p.isTerminating());
516	>	}
517	>	}
518	>
519	>	/**
520	>	* isTerminating is not true when running or when terminated
521	>	*/
522	>	public void testIsTerminating() throws InterruptedException {
523	>	final ThreadPoolExecutor p =
524	>	new ThreadPoolExecutor(1, 1,
525	>	LONG_DELAY_MS, MILLISECONDS,
526	>	new ArrayBlockingQueue<Runnable>(10));
527	>	try (PoolCleaner cleaner = cleaner(p)) {
528	>	final CountDownLatch threadStarted = new CountDownLatch(1);
529	>	final CountDownLatch done = new CountDownLatch(1);
530	>	assertFalse(p.isTerminating());
531	>	p.execute(new CheckedRunnable() {
532	>	public void realRun() throws InterruptedException {
533	>	assertFalse(p.isTerminating());
534	>	threadStarted.countDown();
535	>	await(done);
536	>	}});
537	>	await(threadStarted);
538	>	assertFalse(p.isTerminating());
539	>	done.countDown();
540	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
541	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
542	>	assertTrue(p.isTerminated());
543	>	assertFalse(p.isTerminating());
544	>	}
545	>	}
546	>
547	>	/**
548	>	* getQueue returns the work queue, which contains queued tasks
549	>	*/
550	>	public void testGetQueue() throws InterruptedException {
551	>	final CountDownLatch done = new CountDownLatch(1);
552	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
553	>	final ThreadPoolExecutor p =
554	>	new ThreadPoolExecutor(1, 1,
555	>	LONG_DELAY_MS, MILLISECONDS,
556	>	q);
557	>	try (PoolCleaner cleaner = cleaner(p, done)) {
558	>	final CountDownLatch threadStarted = new CountDownLatch(1);
559	>	FutureTask[] tasks = new FutureTask[5];
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	Callable task = new CheckedCallable<Boolean>() {
562	>	public Boolean realCall() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	assertSame(q, p.getQueue());
565	>	await(done);
566	>	return Boolean.TRUE;
567	>	}};
568	>	tasks[i] = new FutureTask(task);
569	>	p.execute(tasks[i]);
570	>	}
571	>	await(threadStarted);
572	>	assertSame(q, p.getQueue());
573	>	assertFalse(q.contains(tasks[0]));
574	>	assertTrue(q.contains(tasks[tasks.length - 1]));
575	>	assertEquals(tasks.length - 1, q.size());
576	>	}
577	>	}
578	>
579	>	/**
580	>	* remove(task) removes queued task, and fails to remove active task
581	>	*/
582	>	public void testRemove() throws InterruptedException {
583	>	final CountDownLatch done = new CountDownLatch(1);
584	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
585	>	final ThreadPoolExecutor p =
586	>	new ThreadPoolExecutor(1, 1,
587	>	LONG_DELAY_MS, MILLISECONDS,
588	>	q);
589	>	try (PoolCleaner cleaner = cleaner(p, done)) {
590	>	Runnable[] tasks = new Runnable[6];
591	>	final CountDownLatch threadStarted = new CountDownLatch(1);
592	>	for (int i = 0; i < tasks.length; i++) {
593	>	tasks[i] = new CheckedRunnable() {
594	>	public void realRun() throws InterruptedException {
595	>	threadStarted.countDown();
596	>	await(done);
597	>	}};
598	>	p.execute(tasks[i]);
599	>	}
600	>	await(threadStarted);
601	>	assertFalse(p.remove(tasks[0]));
602	>	assertTrue(q.contains(tasks[4]));
603	>	assertTrue(q.contains(tasks[3]));
604	>	assertTrue(p.remove(tasks[4]));
605	>	assertFalse(p.remove(tasks[4]));
606	>	assertFalse(q.contains(tasks[4]));
607	>	assertTrue(q.contains(tasks[3]));
608	>	assertTrue(p.remove(tasks[3]));
609	>	assertFalse(q.contains(tasks[3]));
610		}
611	<	finally {
612	<	l = one.shutdownNow();
611	>	}
612	>
613	>	/**
614	>	* purge removes cancelled tasks from the queue
615	>	*/
616	>	public void testPurge() throws InterruptedException {
617	>	final CountDownLatch threadStarted = new CountDownLatch(1);
618	>	final CountDownLatch done = new CountDownLatch(1);
619	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
620	>	final ThreadPoolExecutor p =
621	>	new ThreadPoolExecutor(1, 1,
622	>	LONG_DELAY_MS, MILLISECONDS,
623	>	q);
624	>	try (PoolCleaner cleaner = cleaner(p, done)) {
625	>	FutureTask[] tasks = new FutureTask[5];
626	>	for (int i = 0; i < tasks.length; i++) {
627	>	Callable task = new CheckedCallable<Boolean>() {
628	>	public Boolean realCall() throws InterruptedException {
629	>	threadStarted.countDown();
630	>	await(done);
631	>	return Boolean.TRUE;
632	>	}};
633	>	tasks[i] = new FutureTask(task);
634	>	p.execute(tasks[i]);
635	>	}
636	>	await(threadStarted);
637	>	assertEquals(tasks.length, p.getTaskCount());
638	>	assertEquals(tasks.length - 1, q.size());
639	>	assertEquals(1L, p.getActiveCount());
640	>	assertEquals(0L, p.getCompletedTaskCount());
641	>	tasks[4].cancel(true);
642	>	tasks[3].cancel(false);
643	>	p.purge();
644	>	assertEquals(tasks.length - 3, q.size());
645	>	assertEquals(tasks.length - 2, p.getTaskCount());
646	>	p.purge();         // Nothing to do
647	>	assertEquals(tasks.length - 3, q.size());
648	>	assertEquals(tasks.length - 2, p.getTaskCount());
649		}
257	–	assertTrue(one.isShutdown());
258	–	assertTrue(l.size() <= 4);
650		}
651
652	<
653	<
654	<
655	<
656	<
652	>	/**
653	>	* shutdownNow returns a list containing tasks that were not run,
654	>	* and those tasks are drained from the queue
655	>	*/
656	>	public void testShutdownNow() throws InterruptedException {
657	>	final int poolSize = 2;
658	>	final int count = 5;
659	>	final AtomicInteger ran = new AtomicInteger(0);
660	>	final ThreadPoolExecutor p =
661	>	new ThreadPoolExecutor(poolSize, poolSize,
662	>	LONG_DELAY_MS, MILLISECONDS,
663	>	new ArrayBlockingQueue<Runnable>(10));
664	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
665	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
666	>	threadsStarted.countDown();
667	>	try {
668	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
669	>	} catch (InterruptedException success) {}
670	>	ran.getAndIncrement();
671	>	}};
672	>	for (int i = 0; i < count; i++)
673	>	p.execute(waiter);
674	>	await(threadsStarted);
675	>	assertEquals(poolSize, p.getActiveCount());
676	>	assertEquals(0, p.getCompletedTaskCount());
677	>	final List<Runnable> queuedTasks;
678	>	try {
679	>	queuedTasks = p.shutdownNow();
680	>	} catch (SecurityException ok) {
681	>	return; // Allowed in case test doesn't have privs
682	>	}
683	>	assertTrue(p.isShutdown());
684	>	assertTrue(p.getQueue().isEmpty());
685	>	assertEquals(count - poolSize, queuedTasks.size());
686	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
687	>	assertTrue(p.isTerminated());
688	>	assertEquals(poolSize, ran.get());
689	>	assertEquals(poolSize, p.getCompletedTaskCount());
690	>	}
691	>
692		// Exception Tests
267	–
693
694	<	//---- Tests if corePoolSize argument is less than zero
694	>	/**
695	>	* Constructor throws if corePoolSize argument is less than zero
696	>	*/
697		public void testConstructor1() {
698	<	try{
699	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
700	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
701	<	}
702	<	catch (IllegalArgumentException i){}
698	>	try {
699	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
700	>	new ArrayBlockingQueue<Runnable>(10));
701	>	shouldThrow();
702	>	} catch (IllegalArgumentException success) {}
703		}
704	<
705	<	//---- Tests if maximumPoolSize is less than zero
704	>
705	>	/**
706	>	* Constructor throws if maximumPoolSize is less than zero
707	>	*/
708		public void testConstructor2() {
709	<	try{
710	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
711	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
712	<	}
713	<	catch (IllegalArgumentException i2){}
709	>	try {
710	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
711	>	new ArrayBlockingQueue<Runnable>(10));
712	>	shouldThrow();
713	>	} catch (IllegalArgumentException success) {}
714		}
715	<
716	<	//---- Tests if maximumPoolSize is equal to zero
715	>
716	>	/**
717	>	* Constructor throws if maximumPoolSize is equal to zero
718	>	*/
719		public void testConstructor3() {
720	<	try{
721	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
722	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
723	<	}
724	<	catch (IllegalArgumentException i3){}
720	>	try {
721	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
722	>	new ArrayBlockingQueue<Runnable>(10));
723	>	shouldThrow();
724	>	} catch (IllegalArgumentException success) {}
725		}
726
727	<	//---- Tests if keepAliveTime is less than zero
727	>	/**
728	>	* Constructor throws if keepAliveTime is less than zero
729	>	*/
730		public void testConstructor4() {
731	<	try{
732	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
733	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
734	<	}
735	<	catch (IllegalArgumentException i4){}
731	>	try {
732	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
733	>	new ArrayBlockingQueue<Runnable>(10));
734	>	shouldThrow();
735	>	} catch (IllegalArgumentException success) {}
736		}
737
738	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
738	>	/**
739	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
740	>	*/
741		public void testConstructor5() {
742	<	try{
743	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
744	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
745	<	}
746	<	catch (IllegalArgumentException i5){}
742	>	try {
743	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
744	>	new ArrayBlockingQueue<Runnable>(10));
745	>	shouldThrow();
746	>	} catch (IllegalArgumentException success) {}
747		}
748	<
749	<	//---- Tests if workQueue is set to null
750	<	public void testNullPointerException() {
751	<	try{
752	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
753	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
754	<	}
755	<	catch (NullPointerException n){}
748	>
749	>	/**
750	>	* Constructor throws if workQueue is set to null
751	>	*/
752	>	public void testConstructorNullPointerException() {
753	>	try {
754	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
755	>	(BlockingQueue) null);
756	>	shouldThrow();
757	>	} catch (NullPointerException success) {}
758		}
322	–
759
760	<
761	<	//---- Tests if corePoolSize argument is less than zero
760	>	/**
761	>	* Constructor throws if corePoolSize argument is less than zero
762	>	*/
763		public void testConstructor6() {
764	<	try{
765	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
766	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
767	<	}catch (IllegalArgumentException i6){}
764	>	try {
765	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
766	>	new ArrayBlockingQueue<Runnable>(10),
767	>	new SimpleThreadFactory());
768	>	shouldThrow();
769	>	} catch (IllegalArgumentException success) {}
770		}
771	<
772	<	//---- Tests if maximumPoolSize is less than zero
771	>
772	>	/**
773	>	* Constructor throws if maximumPoolSize is less than zero
774	>	*/
775		public void testConstructor7() {
776	<	try{
777	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
778	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
779	<	}
780	<	catch (IllegalArgumentException i7){}
776	>	try {
777	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
778	>	new ArrayBlockingQueue<Runnable>(10),
779	>	new SimpleThreadFactory());
780	>	shouldThrow();
781	>	} catch (IllegalArgumentException success) {}
782		}
783
784	<	//---- Tests if maximumPoolSize is equal to zero
784	>	/**
785	>	* Constructor throws if maximumPoolSize is equal to zero
786	>	*/
787		public void testConstructor8() {
788	<	try{
789	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
790	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
791	<	}
792	<	catch (IllegalArgumentException i8){}
788	>	try {
789	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
790	>	new ArrayBlockingQueue<Runnable>(10),
791	>	new SimpleThreadFactory());
792	>	shouldThrow();
793	>	} catch (IllegalArgumentException success) {}
794		}
795
796	<	//---- Tests if keepAliveTime is less than zero
796	>	/**
797	>	* Constructor throws if keepAliveTime is less than zero
798	>	*/
799		public void testConstructor9() {
800	<	try{
801	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
802	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
803	<	}
804	<	catch (IllegalArgumentException i9){}
800	>	try {
801	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
802	>	new ArrayBlockingQueue<Runnable>(10),
803	>	new SimpleThreadFactory());
804	>	shouldThrow();
805	>	} catch (IllegalArgumentException success) {}
806		}
807
808	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
808	>	/**
809	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
810	>	*/
811		public void testConstructor10() {
812	<	try{
813	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
814	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
812	>	try {
813	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
814	>	new ArrayBlockingQueue<Runnable>(10),
815	>	new SimpleThreadFactory());
816	>	shouldThrow();
817	>	} catch (IllegalArgumentException success) {}
818	>	}
819	>
820	>	/**
821	>	* Constructor throws if workQueue is set to null
822	>	*/
823	>	public void testConstructorNullPointerException2() {
824	>	try {
825	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
826	>	(BlockingQueue) null,
827	>	new SimpleThreadFactory());
828	>	shouldThrow();
829	>	} catch (NullPointerException success) {}
830	>	}
831	>
832	>	/**
833	>	* Constructor throws if threadFactory is set to null
834	>	*/
835	>	public void testConstructorNullPointerException3() {
836	>	try {
837	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
838	>	new ArrayBlockingQueue<Runnable>(10),
839	>	(ThreadFactory) null);
840	>	shouldThrow();
841	>	} catch (NullPointerException success) {}
842	>	}
843	>
844	>	/**
845	>	* Constructor throws if corePoolSize argument is less than zero
846	>	*/
847	>	public void testConstructor11() {
848	>	try {
849	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
850	>	new ArrayBlockingQueue<Runnable>(10),
851	>	new NoOpREHandler());
852	>	shouldThrow();
853	>	} catch (IllegalArgumentException success) {}
854	>	}
855	>
856	>	/**
857	>	* Constructor throws if maximumPoolSize is less than zero
858	>	*/
859	>	public void testConstructor12() {
860	>	try {
861	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
862	>	new ArrayBlockingQueue<Runnable>(10),
863	>	new NoOpREHandler());
864	>	shouldThrow();
865	>	} catch (IllegalArgumentException success) {}
866	>	}
867	>
868	>	/**
869	>	* Constructor throws if maximumPoolSize is equal to zero
870	>	*/
871	>	public void testConstructor13() {
872	>	try {
873	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
874	>	new ArrayBlockingQueue<Runnable>(10),
875	>	new NoOpREHandler());
876	>	shouldThrow();
877	>	} catch (IllegalArgumentException success) {}
878	>	}
879	>
880	>	/**
881	>	* Constructor throws if keepAliveTime is less than zero
882	>	*/
883	>	public void testConstructor14() {
884	>	try {
885	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
886	>	new ArrayBlockingQueue<Runnable>(10),
887	>	new NoOpREHandler());
888	>	shouldThrow();
889	>	} catch (IllegalArgumentException success) {}
890	>	}
891	>
892	>	/**
893	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
894	>	*/
895	>	public void testConstructor15() {
896	>	try {
897	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
898	>	new ArrayBlockingQueue<Runnable>(10),
899	>	new NoOpREHandler());
900	>	shouldThrow();
901	>	} catch (IllegalArgumentException success) {}
902	>	}
903	>
904	>	/**
905	>	* Constructor throws if workQueue is set to null
906	>	*/
907	>	public void testConstructorNullPointerException4() {
908	>	try {
909	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
910	>	(BlockingQueue) null,
911	>	new NoOpREHandler());
912	>	shouldThrow();
913	>	} catch (NullPointerException success) {}
914	>	}
915	>
916	>	/**
917	>	* Constructor throws if handler is set to null
918	>	*/
919	>	public void testConstructorNullPointerException5() {
920	>	try {
921	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
922	>	new ArrayBlockingQueue<Runnable>(10),
923	>	(RejectedExecutionHandler) null);
924	>	shouldThrow();
925	>	} catch (NullPointerException success) {}
926	>	}
927	>
928	>	/**
929	>	* Constructor throws if corePoolSize argument is less than zero
930	>	*/
931	>	public void testConstructor16() {
932	>	try {
933	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
934	>	new ArrayBlockingQueue<Runnable>(10),
935	>	new SimpleThreadFactory(),
936	>	new NoOpREHandler());
937	>	shouldThrow();
938	>	} catch (IllegalArgumentException success) {}
939	>	}
940	>
941	>	/**
942	>	* Constructor throws if maximumPoolSize is less than zero
943	>	*/
944	>	public void testConstructor17() {
945	>	try {
946	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
947	>	new ArrayBlockingQueue<Runnable>(10),
948	>	new SimpleThreadFactory(),
949	>	new NoOpREHandler());
950	>	shouldThrow();
951	>	} catch (IllegalArgumentException success) {}
952	>	}
953	>
954	>	/**
955	>	* Constructor throws if maximumPoolSize is equal to zero
956	>	*/
957	>	public void testConstructor18() {
958	>	try {
959	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
960	>	new ArrayBlockingQueue<Runnable>(10),
961	>	new SimpleThreadFactory(),
962	>	new NoOpREHandler());
963	>	shouldThrow();
964	>	} catch (IllegalArgumentException success) {}
965	>	}
966	>
967	>	/**
968	>	* Constructor throws if keepAliveTime is less than zero
969	>	*/
970	>	public void testConstructor19() {
971	>	try {
972	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
973	>	new ArrayBlockingQueue<Runnable>(10),
974	>	new SimpleThreadFactory(),
975	>	new NoOpREHandler());
976	>	shouldThrow();
977	>	} catch (IllegalArgumentException success) {}
978	>	}
979	>
980	>	/**
981	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
982	>	*/
983	>	public void testConstructor20() {
984	>	try {
985	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
986	>	new ArrayBlockingQueue<Runnable>(10),
987	>	new SimpleThreadFactory(),
988	>	new NoOpREHandler());
989	>	shouldThrow();
990	>	} catch (IllegalArgumentException success) {}
991	>	}
992	>
993	>	/**
994	>	* Constructor throws if workQueue is null
995	>	*/
996	>	public void testConstructorNullPointerException6() {
997	>	try {
998	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
999	>	(BlockingQueue) null,
1000	>	new SimpleThreadFactory(),
1001	>	new NoOpREHandler());
1002	>	shouldThrow();
1003	>	} catch (NullPointerException success) {}
1004	>	}
1005	>
1006	>	/**
1007	>	* Constructor throws if handler is null
1008	>	*/
1009	>	public void testConstructorNullPointerException7() {
1010	>	try {
1011	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1012	>	new ArrayBlockingQueue<Runnable>(10),
1013	>	new SimpleThreadFactory(),
1014	>	(RejectedExecutionHandler) null);
1015	>	shouldThrow();
1016	>	} catch (NullPointerException success) {}
1017	>	}
1018	>
1019	>	/**
1020	>	* Constructor throws if ThreadFactory is null
1021	>	*/
1022	>	public void testConstructorNullPointerException8() {
1023	>	try {
1024	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1025	>	new ArrayBlockingQueue<Runnable>(10),
1026	>	(ThreadFactory) null,
1027	>	new NoOpREHandler());
1028	>	shouldThrow();
1029	>	} catch (NullPointerException success) {}
1030	>	}
1031	>
1032	>	/**
1033	>	* get of submitted callable throws InterruptedException if interrupted
1034	>	*/
1035	>	public void testInterruptedSubmit() throws InterruptedException {
1036	>	final CountDownLatch done = new CountDownLatch(1);
1037	>	final ThreadPoolExecutor p =
1038	>	new ThreadPoolExecutor(1, 1,
1039	>	60, SECONDS,
1040	>	new ArrayBlockingQueue<Runnable>(10));
1041	>
1042	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1043	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1044	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1045	>	public void realRun() throws Exception {
1046	>	Callable task = new CheckedCallable<Boolean>() {
1047	>	public Boolean realCall() throws InterruptedException {
1048	>	threadStarted.countDown();
1049	>	await(done);
1050	>	return Boolean.TRUE;
1051	>	}};
1052	>	p.submit(task).get();
1053	>	}});
1054	>
1055	>	await(threadStarted);
1056	>	t.interrupt();
1057	>	awaitTermination(t);
1058		}
366	–	catch (IllegalArgumentException i10){}
1059		}
1060
1061	<	//---- Tests if workQueue is set to null
1062	<	public void testNullPointerException2() {
1063	<	try{
1064	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1065	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1061	>	/**
1062	>	* execute throws RejectedExecutionException if saturated.
1063	>	*/
1064	>	public void testSaturatedExecute() {
1065	>	final CountDownLatch done = new CountDownLatch(1);
1066	>	final ThreadPoolExecutor p =
1067	>	new ThreadPoolExecutor(1, 1,
1068	>	LONG_DELAY_MS, MILLISECONDS,
1069	>	new ArrayBlockingQueue<Runnable>(1));
1070	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1071	>	Runnable task = new CheckedRunnable() {
1072	>	public void realRun() throws InterruptedException {
1073	>	await(done);
1074	>	}};
1075	>	for (int i = 0; i < 2; ++i)
1076	>	p.execute(task);
1077	>	for (int i = 0; i < 2; ++i) {
1078	>	try {
1079	>	p.execute(task);
1080	>	shouldThrow();
1081	>	} catch (RejectedExecutionException success) {}
1082	>	assertTrue(p.getTaskCount() <= 2);
1083	>	}
1084		}
375	–	catch (NullPointerException n2){}
1085		}
1086
1087	<	//---- Tests if threadFactory is set to null
1088	<	public void testNullPointerException3() {
1089	<	try{
1090	<	ThreadFactory f = null;
1091	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1092	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1087	>	/**
1088	>	* submit(runnable) throws RejectedExecutionException if saturated.
1089	>	*/
1090	>	public void testSaturatedSubmitRunnable() {
1091	>	final CountDownLatch done = new CountDownLatch(1);
1092	>	final ThreadPoolExecutor p =
1093	>	new ThreadPoolExecutor(1, 1,
1094	>	LONG_DELAY_MS, MILLISECONDS,
1095	>	new ArrayBlockingQueue<Runnable>(1));
1096	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1097	>	Runnable task = new CheckedRunnable() {
1098	>	public void realRun() throws InterruptedException {
1099	>	await(done);
1100	>	}};
1101	>	for (int i = 0; i < 2; ++i)
1102	>	p.submit(task);
1103	>	for (int i = 0; i < 2; ++i) {
1104	>	try {
1105	>	p.execute(task);
1106	>	shouldThrow();
1107	>	} catch (RejectedExecutionException success) {}
1108	>	assertTrue(p.getTaskCount() <= 2);
1109	>	}
1110		}
385	–	catch (NullPointerException n3){}
1111		}
1112	<
1113	<
1114	<	//---- Tests if corePoolSize argument is less than zero
1115	<	public void testConstructor11() {
1116	<	try{
1117	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1118	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1112	>
1113	>	/**
1114	>	* submit(callable) throws RejectedExecutionException if saturated.
1115	>	*/
1116	>	public void testSaturatedSubmitCallable() {
1117	>	final CountDownLatch done = new CountDownLatch(1);
1118	>	final ThreadPoolExecutor p =
1119	>	new ThreadPoolExecutor(1, 1,
1120	>	LONG_DELAY_MS, MILLISECONDS,
1121	>	new ArrayBlockingQueue<Runnable>(1));
1122	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1123	>	Runnable task = new CheckedRunnable() {
1124	>	public void realRun() throws InterruptedException {
1125	>	await(done);
1126	>	}};
1127	>	for (int i = 0; i < 2; ++i)
1128	>	p.execute(task);
1129	>	for (int i = 0; i < 2; ++i) {
1130	>	try {
1131	>	p.execute(task);
1132	>	shouldThrow();
1133	>	} catch (RejectedExecutionException success) {}
1134	>	assertTrue(p.getTaskCount() <= 2);
1135	>	}
1136		}
395	–	catch (IllegalArgumentException i11){}
1137		}
1138
1139	<	//---- Tests if maximumPoolSize is less than zero
1140	<	public void testConstructor12() {
1141	<	try{
1142	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1143	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1139	>	/**
1140	>	* executor using CallerRunsPolicy runs task if saturated.
1141	>	*/
1142	>	public void testSaturatedExecute2() {
1143	>	final ThreadPoolExecutor p =
1144	>	new ThreadPoolExecutor(1, 1,
1145	>	LONG_DELAY_MS,
1146	>	MILLISECONDS,
1147	>	new ArrayBlockingQueue<Runnable>(1),
1148	>	new ThreadPoolExecutor.CallerRunsPolicy());
1149	>	try (PoolCleaner cleaner = cleaner(p)) {
1150	>	final CountDownLatch done = new CountDownLatch(1);
1151	>	Runnable blocker = new CheckedRunnable() {
1152	>	public void realRun() throws InterruptedException {
1153	>	await(done);
1154	>	}};
1155	>	p.execute(blocker);
1156	>	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1157	>	for (int i = 0; i < tasks.length; i++)
1158	>	tasks[i] = new TrackedNoOpRunnable();
1159	>	for (int i = 0; i < tasks.length; i++)
1160	>	p.execute(tasks[i]);
1161	>	for (int i = 1; i < tasks.length; i++)
1162	>	assertTrue(tasks[i].done);
1163	>	assertFalse(tasks[0].done); // waiting in queue
1164	>	done.countDown();
1165		}
404	–	catch (IllegalArgumentException i12){}
1166		}
1167
1168	<	//---- Tests if maximumPoolSize is equal to zero
1169	<	public void testConstructor13() {
1170	<	try{
1171	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1172	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1168	>	/**
1169	>	* executor using DiscardPolicy drops task if saturated.
1170	>	*/
1171	>	public void testSaturatedExecute3() {
1172	>	final CountDownLatch done = new CountDownLatch(1);
1173	>	final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1174	>	for (int i = 0; i < tasks.length; ++i)
1175	>	tasks[i] = new TrackedNoOpRunnable();
1176	>	final ThreadPoolExecutor p =
1177	>	new ThreadPoolExecutor(1, 1,
1178	>	LONG_DELAY_MS, MILLISECONDS,
1179	>	new ArrayBlockingQueue<Runnable>(1),
1180	>	new ThreadPoolExecutor.DiscardPolicy());
1181	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1182	>	p.execute(awaiter(done));
1183	>
1184	>	for (TrackedNoOpRunnable task : tasks)
1185	>	p.execute(task);
1186	>	for (int i = 1; i < tasks.length; i++)
1187	>	assertFalse(tasks[i].done);
1188	>	}
1189	>	for (int i = 1; i < tasks.length; i++)
1190	>	assertFalse(tasks[i].done);
1191	>	assertTrue(tasks[0].done); // was waiting in queue
1192	>	}
1193	>
1194	>	/**
1195	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1196	>	*/
1197	>	public void testSaturatedExecute4() {
1198	>	final CountDownLatch done = new CountDownLatch(1);
1199	>	LatchAwaiter r1 = awaiter(done);
1200	>	LatchAwaiter r2 = awaiter(done);
1201	>	LatchAwaiter r3 = awaiter(done);
1202	>	final ThreadPoolExecutor p =
1203	>	new ThreadPoolExecutor(1, 1,
1204	>	LONG_DELAY_MS, MILLISECONDS,
1205	>	new ArrayBlockingQueue<Runnable>(1),
1206	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1207	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1208	>	assertEquals(LatchAwaiter.NEW, r1.state);
1209	>	assertEquals(LatchAwaiter.NEW, r2.state);
1210	>	assertEquals(LatchAwaiter.NEW, r3.state);
1211	>	p.execute(r1);
1212	>	p.execute(r2);
1213	>	assertTrue(p.getQueue().contains(r2));
1214	>	p.execute(r3);
1215	>	assertFalse(p.getQueue().contains(r2));
1216	>	assertTrue(p.getQueue().contains(r3));
1217	>	}
1218	>	assertEquals(LatchAwaiter.DONE, r1.state);
1219	>	assertEquals(LatchAwaiter.NEW, r2.state);
1220	>	assertEquals(LatchAwaiter.DONE, r3.state);
1221	>	}
1222	>
1223	>	/**
1224	>	* execute throws RejectedExecutionException if shutdown
1225	>	*/
1226	>	public void testRejectedExecutionExceptionOnShutdown() {
1227	>	final ThreadPoolExecutor p =
1228	>	new ThreadPoolExecutor(1, 1,
1229	>	LONG_DELAY_MS, MILLISECONDS,
1230	>	new ArrayBlockingQueue<Runnable>(1));
1231	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1232	>	try (PoolCleaner cleaner = cleaner(p)) {
1233	>	try {
1234	>	p.execute(new NoOpRunnable());
1235	>	shouldThrow();
1236	>	} catch (RejectedExecutionException success) {}
1237		}
413	–	catch (IllegalArgumentException i13){}
1238		}
1239
1240	<	//---- Tests if keepAliveTime is less than zero
1241	<	public void testConstructor14() {
1242	<	try{
1243	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1244	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1240	>	/**
1241	>	* execute using CallerRunsPolicy drops task on shutdown
1242	>	*/
1243	>	public void testCallerRunsOnShutdown() {
1244	>	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1245	>	final ThreadPoolExecutor p =
1246	>	new ThreadPoolExecutor(1, 1,
1247	>	LONG_DELAY_MS, MILLISECONDS,
1248	>	new ArrayBlockingQueue<Runnable>(1), h);
1249	>
1250	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1251	>	try (PoolCleaner cleaner = cleaner(p)) {
1252	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1253	>	p.execute(r);
1254	>	assertFalse(r.done);
1255		}
422	–	catch (IllegalArgumentException i14){}
1256		}
1257
1258	<	//---- Tests if corePoolSize is greater than the maximumPoolSize
1259	<	public void testConstructor15() {
1260	<	try{
1261	<	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1262	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1258	>	/**
1259	>	* execute using DiscardPolicy drops task on shutdown
1260	>	*/
1261	>	public void testDiscardOnShutdown() {
1262	>	final ThreadPoolExecutor p =
1263	>	new ThreadPoolExecutor(1, 1,
1264	>	LONG_DELAY_MS, MILLISECONDS,
1265	>	new ArrayBlockingQueue<Runnable>(1),
1266	>	new ThreadPoolExecutor.DiscardPolicy());
1267	>
1268	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1269	>	try (PoolCleaner cleaner = cleaner(p)) {
1270	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271	>	p.execute(r);
1272	>	assertFalse(r.done);
1273		}
431	–	catch (IllegalArgumentException i15){}
1274		}
1275
1276	<	//---- Tests if workQueue is set to null
1277	<	public void testNullPointerException4() {
1278	<	try{
1279	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1280	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1276	>	/**
1277	>	* execute using DiscardOldestPolicy drops task on shutdown
1278	>	*/
1279	>	public void testDiscardOldestOnShutdown() {
1280	>	final ThreadPoolExecutor p =
1281	>	new ThreadPoolExecutor(1, 1,
1282	>	LONG_DELAY_MS, MILLISECONDS,
1283	>	new ArrayBlockingQueue<Runnable>(1),
1284	>	new ThreadPoolExecutor.DiscardOldestPolicy());
1285	>
1286	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1287	>	try (PoolCleaner cleaner = cleaner(p)) {
1288	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1289	>	p.execute(r);
1290	>	assertFalse(r.done);
1291		}
440	–	catch (NullPointerException n4){}
1292		}
1293
1294	<	//---- Tests if handler is set to null
1295	<	public void testNullPointerException5() {
1296	<	try{
1297	<	RejectedExecutionHandler r = null;
1298	<	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1299	<	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
1294	>	/**
1295	>	* execute(null) throws NPE
1296	>	*/
1297	>	public void testExecuteNull() {
1298	>	final ThreadPoolExecutor p =
1299	>	new ThreadPoolExecutor(1, 2,
1300	>	1L, SECONDS,
1301	>	new ArrayBlockingQueue<Runnable>(10));
1302	>	try (PoolCleaner cleaner = cleaner(p)) {
1303	>	try {
1304	>	p.execute(null);
1305	>	shouldThrow();
1306	>	} catch (NullPointerException success) {}
1307		}
450	–	catch (NullPointerException n5){}
1308		}
1309
1310	<
1311	<	//---- Tests if corePoolSize argument is less than zero
1312	<	public void testConstructor16() {
1313	<	try{
1314	<	new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1315	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1310	>	/**
1311	>	* setCorePoolSize of negative value throws IllegalArgumentException
1312	>	*/
1313	>	public void testCorePoolSizeIllegalArgumentException() {
1314	>	final ThreadPoolExecutor p =
1315	>	new ThreadPoolExecutor(1, 2,
1316	>	LONG_DELAY_MS, MILLISECONDS,
1317	>	new ArrayBlockingQueue<Runnable>(10));
1318	>	try (PoolCleaner cleaner = cleaner(p)) {
1319	>	try {
1320	>	p.setCorePoolSize(-1);
1321	>	shouldThrow();
1322	>	} catch (IllegalArgumentException success) {}
1323		}
460	–	catch (IllegalArgumentException i16){}
1324		}
1325
1326	<	//---- Tests if maximumPoolSize is less than zero
1327	<	public void testConstructor17() {
1328	<	try{
1329	<	new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1330	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1326	>	/**
1327	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1328	>	* given a value less the core pool size
1329	>	*/
1330	>	public void testMaximumPoolSizeIllegalArgumentException() {
1331	>	final ThreadPoolExecutor p =
1332	>	new ThreadPoolExecutor(2, 3,
1333	>	LONG_DELAY_MS, MILLISECONDS,
1334	>	new ArrayBlockingQueue<Runnable>(10));
1335	>	try (PoolCleaner cleaner = cleaner(p)) {
1336	>	try {
1337	>	p.setMaximumPoolSize(1);
1338	>	shouldThrow();
1339	>	} catch (IllegalArgumentException success) {}
1340		}
469	–	catch (IllegalArgumentException i17){}
1341		}
1342
1343	<	//---- Tests if maximumPoolSize is equal to zero
1344	<	public void testConstructor18() {
1345	<	try{
1346	<	new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1347	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1343	>	/**
1344	>	* setMaximumPoolSize throws IllegalArgumentException
1345	>	* if given a negative value
1346	>	*/
1347	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1348	>	final ThreadPoolExecutor p =
1349	>	new ThreadPoolExecutor(2, 3,
1350	>	LONG_DELAY_MS, MILLISECONDS,
1351	>	new ArrayBlockingQueue<Runnable>(10));
1352	>	try (PoolCleaner cleaner = cleaner(p)) {
1353	>	try {
1354	>	p.setMaximumPoolSize(-1);
1355	>	shouldThrow();
1356	>	} catch (IllegalArgumentException success) {}
1357		}
478	–	catch (IllegalArgumentException i18){}
1358		}
1359
1360	<	//---- Tests if keepAliveTime is less than zero
1361	<	public void testConstructor19() {
1362	<	try{
1363	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1364	<	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
1360	>	/**
1361	>	* Configuration changes that allow core pool size greater than
1362	>	* max pool size result in IllegalArgumentException.
1363	>	*/
1364	>	public void testPoolSizeInvariants() {
1365	>	final ThreadPoolExecutor p =
1366	>	new ThreadPoolExecutor(1, 1,
1367	>	LONG_DELAY_MS, MILLISECONDS,
1368	>	new ArrayBlockingQueue<Runnable>(10));
1369	>	try (PoolCleaner cleaner = cleaner(p)) {
1370	>	for (int s = 1; s < 5; s++) {
1371	>	p.setMaximumPoolSize(s);
1372	>	p.setCorePoolSize(s);
1373	>	try {
1374	>	p.setMaximumPoolSize(s - 1);
1375	>	shouldThrow();
1376	>	} catch (IllegalArgumentException success) {}
1377	>	assertEquals(s, p.getCorePoolSize());
1378	>	assertEquals(s, p.getMaximumPoolSize());
1379	>	try {
1380	>	p.setCorePoolSize(s + 1);
1381	>	shouldThrow();
1382	>	} catch (IllegalArgumentException success) {}
1383	>	assertEquals(s, p.getCorePoolSize());
1384	>	assertEquals(s, p.getMaximumPoolSize());
1385	>	}
1386	>	}
1387	>	}
1388	>
1389	>	/**
1390	>	* setKeepAliveTime throws IllegalArgumentException
1391	>	* when given a negative value
1392	>	*/
1393	>	public void testKeepAliveTimeIllegalArgumentException() {
1394	>	final ThreadPoolExecutor p =
1395	>	new ThreadPoolExecutor(2, 3,
1396	>	LONG_DELAY_MS, MILLISECONDS,
1397	>	new ArrayBlockingQueue<Runnable>(10));
1398	>	try (PoolCleaner cleaner = cleaner(p)) {
1399	>	try {
1400	>	p.setKeepAliveTime(-1, MILLISECONDS);
1401	>	shouldThrow();
1402	>	} catch (IllegalArgumentException success) {}
1403	>	}
1404	>	}
1405	>
1406	>	/**
1407	>	* terminated() is called on termination
1408	>	*/
1409	>	public void testTerminated() {
1410	>	ExtendedTPE p = new ExtendedTPE();
1411	>	try (PoolCleaner cleaner = cleaner(p)) {
1412	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1413	>	assertTrue(p.terminatedCalled());
1414	>	assertTrue(p.isShutdown());
1415	>	}
1416	>	}
1417	>
1418	>	/**
1419	>	* beforeExecute and afterExecute are called when executing task
1420	>	*/
1421	>	public void testBeforeAfter() throws InterruptedException {
1422	>	ExtendedTPE p = new ExtendedTPE();
1423	>	try (PoolCleaner cleaner = cleaner(p)) {
1424	>	final CountDownLatch done = new CountDownLatch(1);
1425	>	p.execute(new CheckedRunnable() {
1426	>	public void realRun() {
1427	>	done.countDown();
1428	>	}});
1429	>	await(p.afterCalled);
1430	>	assertEquals(0, done.getCount());
1431	>	assertTrue(p.afterCalled());
1432	>	assertTrue(p.beforeCalled());
1433	>	}
1434	>	}
1435	>
1436	>	/**
1437	>	* completed submit of callable returns result
1438	>	*/
1439	>	public void testSubmitCallable() throws Exception {
1440	>	final ExecutorService e =
1441	>	new ThreadPoolExecutor(2, 2,
1442	>	LONG_DELAY_MS, MILLISECONDS,
1443	>	new ArrayBlockingQueue<Runnable>(10));
1444	>	try (PoolCleaner cleaner = cleaner(e)) {
1445	>	Future<String> future = e.submit(new StringTask());
1446	>	String result = future.get();
1447	>	assertSame(TEST_STRING, result);
1448	>	}
1449	>	}
1450	>
1451	>	/**
1452	>	* completed submit of runnable returns successfully
1453	>	*/
1454	>	public void testSubmitRunnable() throws Exception {
1455	>	final ExecutorService e =
1456	>	new ThreadPoolExecutor(2, 2,
1457	>	LONG_DELAY_MS, MILLISECONDS,
1458	>	new ArrayBlockingQueue<Runnable>(10));
1459	>	try (PoolCleaner cleaner = cleaner(e)) {
1460	>	Future<?> future = e.submit(new NoOpRunnable());
1461	>	future.get();
1462	>	assertTrue(future.isDone());
1463	>	}
1464	>	}
1465	>
1466	>	/**
1467	>	* completed submit of (runnable, result) returns result
1468	>	*/
1469	>	public void testSubmitRunnable2() throws Exception {
1470	>	final ExecutorService e =
1471	>	new ThreadPoolExecutor(2, 2,
1472	>	LONG_DELAY_MS, MILLISECONDS,
1473	>	new ArrayBlockingQueue<Runnable>(10));
1474	>	try (PoolCleaner cleaner = cleaner(e)) {
1475	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1476	>	String result = future.get();
1477	>	assertSame(TEST_STRING, result);
1478	>	}
1479	>	}
1480	>
1481	>	/**
1482	>	* invokeAny(null) throws NPE
1483	>	*/
1484	>	public void testInvokeAny1() throws Exception {
1485	>	final ExecutorService e =
1486	>	new ThreadPoolExecutor(2, 2,
1487	>	LONG_DELAY_MS, MILLISECONDS,
1488	>	new ArrayBlockingQueue<Runnable>(10));
1489	>	try (PoolCleaner cleaner = cleaner(e)) {
1490	>	try {
1491	>	e.invokeAny(null);
1492	>	shouldThrow();
1493	>	} catch (NullPointerException success) {}
1494	>	}
1495	>	}
1496	>
1497	>	/**
1498	>	* invokeAny(empty collection) throws IAE
1499	>	*/
1500	>	public void testInvokeAny2() throws Exception {
1501	>	final ExecutorService e =
1502	>	new ThreadPoolExecutor(2, 2,
1503	>	LONG_DELAY_MS, MILLISECONDS,
1504	>	new ArrayBlockingQueue<Runnable>(10));
1505	>	try (PoolCleaner cleaner = cleaner(e)) {
1506	>	try {
1507	>	e.invokeAny(new ArrayList<Callable<String>>());
1508	>	shouldThrow();
1509	>	} catch (IllegalArgumentException success) {}
1510	>	}
1511	>	}
1512	>
1513	>	/**
1514	>	* invokeAny(c) throws NPE if c has null elements
1515	>	*/
1516	>	public void testInvokeAny3() throws Exception {
1517	>	final CountDownLatch latch = new CountDownLatch(1);
1518	>	final ExecutorService e =
1519	>	new ThreadPoolExecutor(2, 2,
1520	>	LONG_DELAY_MS, MILLISECONDS,
1521	>	new ArrayBlockingQueue<Runnable>(10));
1522	>	try (PoolCleaner cleaner = cleaner(e)) {
1523	>	List<Callable<String>> l = new ArrayList<>();
1524	>	l.add(latchAwaitingStringTask(latch));
1525	>	l.add(null);
1526	>	try {
1527	>	e.invokeAny(l);
1528	>	shouldThrow();
1529	>	} catch (NullPointerException success) {}
1530	>	latch.countDown();
1531	>	}
1532	>	}
1533	>
1534	>	/**
1535	>	* invokeAny(c) throws ExecutionException if no task completes
1536	>	*/
1537	>	public void testInvokeAny4() throws Exception {
1538	>	final ExecutorService e =
1539	>	new ThreadPoolExecutor(2, 2,
1540	>	LONG_DELAY_MS, MILLISECONDS,
1541	>	new ArrayBlockingQueue<Runnable>(10));
1542	>	try (PoolCleaner cleaner = cleaner(e)) {
1543	>	List<Callable<String>> l = new ArrayList<>();
1544	>	l.add(new NPETask());
1545	>	try {
1546	>	e.invokeAny(l);
1547	>	shouldThrow();
1548	>	} catch (ExecutionException success) {
1549	>	assertTrue(success.getCause() instanceof NullPointerException);
1550	>	}
1551	>	}
1552	>	}
1553	>
1554	>	/**
1555	>	* invokeAny(c) returns result of some task
1556	>	*/
1557	>	public void testInvokeAny5() throws Exception {
1558	>	final ExecutorService e =
1559	>	new ThreadPoolExecutor(2, 2,
1560	>	LONG_DELAY_MS, MILLISECONDS,
1561	>	new ArrayBlockingQueue<Runnable>(10));
1562	>	try (PoolCleaner cleaner = cleaner(e)) {
1563	>	List<Callable<String>> l = new ArrayList<>();
1564	>	l.add(new StringTask());
1565	>	l.add(new StringTask());
1566	>	String result = e.invokeAny(l);
1567	>	assertSame(TEST_STRING, result);
1568	>	}
1569	>	}
1570	>
1571	>	/**
1572	>	* invokeAll(null) throws NPE
1573	>	*/
1574	>	public void testInvokeAll1() throws Exception {
1575	>	final ExecutorService e =
1576	>	new ThreadPoolExecutor(2, 2,
1577	>	LONG_DELAY_MS, MILLISECONDS,
1578	>	new ArrayBlockingQueue<Runnable>(10));
1579	>	try (PoolCleaner cleaner = cleaner(e)) {
1580	>	try {
1581	>	e.invokeAll(null);
1582	>	shouldThrow();
1583	>	} catch (NullPointerException success) {}
1584	>	}
1585	>	}
1586	>
1587	>	/**
1588	>	* invokeAll(empty collection) returns empty collection
1589	>	*/
1590	>	public void testInvokeAll2() throws InterruptedException {
1591	>	final ExecutorService e =
1592	>	new ThreadPoolExecutor(2, 2,
1593	>	LONG_DELAY_MS, MILLISECONDS,
1594	>	new ArrayBlockingQueue<Runnable>(10));
1595	>	try (PoolCleaner cleaner = cleaner(e)) {
1596	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1597	>	assertTrue(r.isEmpty());
1598	>	}
1599	>	}
1600	>
1601	>	/**
1602	>	* invokeAll(c) throws NPE if c has null elements
1603	>	*/
1604	>	public void testInvokeAll3() throws Exception {
1605	>	final ExecutorService e =
1606	>	new ThreadPoolExecutor(2, 2,
1607	>	LONG_DELAY_MS, MILLISECONDS,
1608	>	new ArrayBlockingQueue<Runnable>(10));
1609	>	try (PoolCleaner cleaner = cleaner(e)) {
1610	>	List<Callable<String>> l = new ArrayList<>();
1611	>	l.add(new StringTask());
1612	>	l.add(null);
1613	>	try {
1614	>	e.invokeAll(l);
1615	>	shouldThrow();
1616	>	} catch (NullPointerException success) {}
1617	>	}
1618	>	}
1619	>
1620	>	/**
1621	>	* get of element of invokeAll(c) throws exception on failed task
1622	>	*/
1623	>	public void testInvokeAll4() throws Exception {
1624	>	final ExecutorService e =
1625	>	new ThreadPoolExecutor(2, 2,
1626	>	LONG_DELAY_MS, MILLISECONDS,
1627	>	new ArrayBlockingQueue<Runnable>(10));
1628	>	try (PoolCleaner cleaner = cleaner(e)) {
1629	>	List<Callable<String>> l = new ArrayList<>();
1630	>	l.add(new NPETask());
1631	>	List<Future<String>> futures = e.invokeAll(l);
1632	>	assertEquals(1, futures.size());
1633	>	try {
1634	>	futures.get(0).get();
1635	>	shouldThrow();
1636	>	} catch (ExecutionException success) {
1637	>	assertTrue(success.getCause() instanceof NullPointerException);
1638	>	}
1639	>	}
1640	>	}
1641	>
1642	>	/**
1643	>	* invokeAll(c) returns results of all completed tasks
1644	>	*/
1645	>	public void testInvokeAll5() throws Exception {
1646	>	final ExecutorService e =
1647	>	new ThreadPoolExecutor(2, 2,
1648	>	LONG_DELAY_MS, MILLISECONDS,
1649	>	new ArrayBlockingQueue<Runnable>(10));
1650	>	try (PoolCleaner cleaner = cleaner(e)) {
1651	>	List<Callable<String>> l = new ArrayList<>();
1652	>	l.add(new StringTask());
1653	>	l.add(new StringTask());
1654	>	List<Future<String>> futures = e.invokeAll(l);
1655	>	assertEquals(2, futures.size());
1656	>	for (Future<String> future : futures)
1657	>	assertSame(TEST_STRING, future.get());
1658	>	}
1659	>	}
1660	>
1661	>	/**
1662	>	* timed invokeAny(null) throws NPE
1663	>	*/
1664	>	public void testTimedInvokeAny1() throws Exception {
1665	>	final ExecutorService e =
1666	>	new ThreadPoolExecutor(2, 2,
1667	>	LONG_DELAY_MS, MILLISECONDS,
1668	>	new ArrayBlockingQueue<Runnable>(10));
1669	>	try (PoolCleaner cleaner = cleaner(e)) {
1670	>	try {
1671	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1672	>	shouldThrow();
1673	>	} catch (NullPointerException success) {}
1674	>	}
1675	>	}
1676	>
1677	>	/**
1678	>	* timed invokeAny(,,null) throws NPE
1679	>	*/
1680	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1681	>	final ExecutorService e =
1682	>	new ThreadPoolExecutor(2, 2,
1683	>	LONG_DELAY_MS, MILLISECONDS,
1684	>	new ArrayBlockingQueue<Runnable>(10));
1685	>	try (PoolCleaner cleaner = cleaner(e)) {
1686	>	List<Callable<String>> l = new ArrayList<>();
1687	>	l.add(new StringTask());
1688	>	try {
1689	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1690	>	shouldThrow();
1691	>	} catch (NullPointerException success) {}
1692	>	}
1693	>	}
1694	>
1695	>	/**
1696	>	* timed invokeAny(empty collection) throws IAE
1697	>	*/
1698	>	public void testTimedInvokeAny2() throws Exception {
1699	>	final ExecutorService e =
1700	>	new ThreadPoolExecutor(2, 2,
1701	>	LONG_DELAY_MS, MILLISECONDS,
1702	>	new ArrayBlockingQueue<Runnable>(10));
1703	>	try (PoolCleaner cleaner = cleaner(e)) {
1704	>	try {
1705	>	e.invokeAny(new ArrayList<Callable<String>>(),
1706	>	MEDIUM_DELAY_MS, MILLISECONDS);
1707	>	shouldThrow();
1708	>	} catch (IllegalArgumentException success) {}
1709	>	}
1710	>	}
1711	>
1712	>	/**
1713	>	* timed invokeAny(c) throws NPE if c has null elements
1714	>	*/
1715	>	public void testTimedInvokeAny3() throws Exception {
1716	>	final CountDownLatch latch = new CountDownLatch(1);
1717	>	final ExecutorService e =
1718	>	new ThreadPoolExecutor(2, 2,
1719	>	LONG_DELAY_MS, MILLISECONDS,
1720	>	new ArrayBlockingQueue<Runnable>(10));
1721	>	try (PoolCleaner cleaner = cleaner(e)) {
1722	>	List<Callable<String>> l = new ArrayList<>();
1723	>	l.add(latchAwaitingStringTask(latch));
1724	>	l.add(null);
1725	>	try {
1726	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1727	>	shouldThrow();
1728	>	} catch (NullPointerException success) {}
1729	>	latch.countDown();
1730	>	}
1731	>	}
1732	>
1733	>	/**
1734	>	* timed invokeAny(c) throws ExecutionException if no task completes
1735	>	*/
1736	>	public void testTimedInvokeAny4() throws Exception {
1737	>	final ExecutorService e =
1738	>	new ThreadPoolExecutor(2, 2,
1739	>	LONG_DELAY_MS, MILLISECONDS,
1740	>	new ArrayBlockingQueue<Runnable>(10));
1741	>	try (PoolCleaner cleaner = cleaner(e)) {
1742	>	long startTime = System.nanoTime();
1743	>	List<Callable<String>> l = new ArrayList<>();
1744	>	l.add(new NPETask());
1745	>	try {
1746	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1747	>	shouldThrow();
1748	>	} catch (ExecutionException success) {
1749	>	assertTrue(success.getCause() instanceof NullPointerException);
1750	>	}
1751	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1752	>	}
1753	>	}
1754	>
1755	>	/**
1756	>	* timed invokeAny(c) returns result of some task
1757	>	*/
1758	>	public void testTimedInvokeAny5() throws Exception {
1759	>	final ExecutorService e =
1760	>	new ThreadPoolExecutor(2, 2,
1761	>	LONG_DELAY_MS, MILLISECONDS,
1762	>	new ArrayBlockingQueue<Runnable>(10));
1763	>	try (PoolCleaner cleaner = cleaner(e)) {
1764	>	long startTime = System.nanoTime();
1765	>	List<Callable<String>> l = new ArrayList<>();
1766	>	l.add(new StringTask());
1767	>	l.add(new StringTask());
1768	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1769	>	assertSame(TEST_STRING, result);
1770	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1771	>	}
1772	>	}
1773	>
1774	>	/**
1775	>	* timed invokeAll(null) throws NPE
1776	>	*/
1777	>	public void testTimedInvokeAll1() throws Exception {
1778	>	final ExecutorService e =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782	>	try (PoolCleaner cleaner = cleaner(e)) {
1783	>	try {
1784	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1785	>	shouldThrow();
1786	>	} catch (NullPointerException success) {}
1787	>	}
1788	>	}
1789	>
1790	>	/**
1791	>	* timed invokeAll(,,null) throws NPE
1792	>	*/
1793	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1794	>	final ExecutorService e =
1795	>	new ThreadPoolExecutor(2, 2,
1796	>	LONG_DELAY_MS, MILLISECONDS,
1797	>	new ArrayBlockingQueue<Runnable>(10));
1798	>	try (PoolCleaner cleaner = cleaner(e)) {
1799	>	List<Callable<String>> l = new ArrayList<>();
1800	>	l.add(new StringTask());
1801	>	try {
1802	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1803	>	shouldThrow();
1804	>	} catch (NullPointerException success) {}
1805	>	}
1806	>	}
1807	>
1808	>	/**
1809	>	* timed invokeAll(empty collection) returns empty collection
1810	>	*/
1811	>	public void testTimedInvokeAll2() throws InterruptedException {
1812	>	final ExecutorService e =
1813	>	new ThreadPoolExecutor(2, 2,
1814	>	LONG_DELAY_MS, MILLISECONDS,
1815	>	new ArrayBlockingQueue<Runnable>(10));
1816	>	try (PoolCleaner cleaner = cleaner(e)) {
1817	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1818	>	MEDIUM_DELAY_MS, MILLISECONDS);
1819	>	assertTrue(r.isEmpty());
1820	>	}
1821	>	}
1822	>
1823	>	/**
1824	>	* timed invokeAll(c) throws NPE if c has null elements
1825	>	*/
1826	>	public void testTimedInvokeAll3() throws Exception {
1827	>	final ExecutorService e =
1828	>	new ThreadPoolExecutor(2, 2,
1829	>	LONG_DELAY_MS, MILLISECONDS,
1830	>	new ArrayBlockingQueue<Runnable>(10));
1831	>	try (PoolCleaner cleaner = cleaner(e)) {
1832	>	List<Callable<String>> l = new ArrayList<>();
1833	>	l.add(new StringTask());
1834	>	l.add(null);
1835	>	try {
1836	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1837	>	shouldThrow();
1838	>	} catch (NullPointerException success) {}
1839	>	}
1840	>	}
1841	>
1842	>	/**
1843	>	* get of element of invokeAll(c) throws exception on failed task
1844	>	*/
1845	>	public void testTimedInvokeAll4() throws Exception {
1846	>	final ExecutorService e =
1847	>	new ThreadPoolExecutor(2, 2,
1848	>	LONG_DELAY_MS, MILLISECONDS,
1849	>	new ArrayBlockingQueue<Runnable>(10));
1850	>	try (PoolCleaner cleaner = cleaner(e)) {
1851	>	List<Callable<String>> l = new ArrayList<>();
1852	>	l.add(new NPETask());
1853	>	List<Future<String>> futures =
1854	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1855	>	assertEquals(1, futures.size());
1856	>	try {
1857	>	futures.get(0).get();
1858	>	shouldThrow();
1859	>	} catch (ExecutionException success) {
1860	>	assertTrue(success.getCause() instanceof NullPointerException);
1861	>	}
1862	>	}
1863	>	}
1864	>
1865	>	/**
1866	>	* timed invokeAll(c) returns results of all completed tasks
1867	>	*/
1868	>	public void testTimedInvokeAll5() throws Exception {
1869	>	final ExecutorService e =
1870	>	new ThreadPoolExecutor(2, 2,
1871	>	LONG_DELAY_MS, MILLISECONDS,
1872	>	new ArrayBlockingQueue<Runnable>(10));
1873	>	try (PoolCleaner cleaner = cleaner(e)) {
1874	>	List<Callable<String>> l = new ArrayList<>();
1875	>	l.add(new StringTask());
1876	>	l.add(new StringTask());
1877	>	List<Future<String>> futures =
1878	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1879	>	assertEquals(2, futures.size());
1880	>	for (Future<String> future : futures)
1881	>	assertSame(TEST_STRING, future.get());
1882	>	}
1883	>	}
1884	>
1885	>	/**
1886	>	* timed invokeAll(c) cancels tasks not completed by timeout
1887	>	*/
1888	>	public void testTimedInvokeAll6() throws Exception {
1889	>	for (long timeout = timeoutMillis();;) {
1890	>	final CountDownLatch done = new CountDownLatch(1);
1891	>	final Callable<String> waiter = new CheckedCallable<String>() {
1892	>	public String realCall() {
1893	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1894	>	catch (InterruptedException ok) {}
1895	>	return "1"; }};
1896	>	final ExecutorService p =
1897	>	new ThreadPoolExecutor(2, 2,
1898	>	LONG_DELAY_MS, MILLISECONDS,
1899	>	new ArrayBlockingQueue<Runnable>(10));
1900	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1901	>	List<Callable<String>> tasks = new ArrayList<>();
1902	>	tasks.add(new StringTask("0"));
1903	>	tasks.add(waiter);
1904	>	tasks.add(new StringTask("2"));
1905	>	long startTime = System.nanoTime();
1906	>	List<Future<String>> futures =
1907	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1908	>	assertEquals(tasks.size(), futures.size());
1909	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1910	>	for (Future future : futures)
1911	>	assertTrue(future.isDone());
1912	>	assertTrue(futures.get(1).isCancelled());
1913	>	try {
1914	>	assertEquals("0", futures.get(0).get());
1915	>	assertEquals("2", futures.get(2).get());
1916	>	break;
1917	>	} catch (CancellationException retryWithLongerTimeout) {
1918	>	timeout *= 2;
1919	>	if (timeout >= LONG_DELAY_MS / 2)
1920	>	fail("expected exactly one task to be cancelled");
1921	>	}
1922	>	}
1923	>	}
1924	>	}
1925	>
1926	>	/**
1927	>	* Execution continues if there is at least one thread even if
1928	>	* thread factory fails to create more
1929	>	*/
1930	>	public void testFailingThreadFactory() throws InterruptedException {
1931	>	final ExecutorService e =
1932	>	new ThreadPoolExecutor(100, 100,
1933	>	LONG_DELAY_MS, MILLISECONDS,
1934	>	new LinkedBlockingQueue<Runnable>(),
1935	>	new FailingThreadFactory());
1936	>	try (PoolCleaner cleaner = cleaner(e)) {
1937	>	final int TASKS = 100;
1938	>	final CountDownLatch done = new CountDownLatch(TASKS);
1939	>	for (int k = 0; k < TASKS; ++k)
1940	>	e.execute(new CheckedRunnable() {
1941	>	public void realRun() {
1942	>	done.countDown();
1943	>	}});
1944	>	await(done);
1945	>	}
1946	>	}
1947	>
1948	>	/**
1949	>	* allowsCoreThreadTimeOut is by default false.
1950	>	*/
1951	>	public void testAllowsCoreThreadTimeOut() {
1952	>	final ThreadPoolExecutor p =
1953	>	new ThreadPoolExecutor(2, 2,
1954	>	1000, MILLISECONDS,
1955	>	new ArrayBlockingQueue<Runnable>(10));
1956	>	try (PoolCleaner cleaner = cleaner(p)) {
1957	>	assertFalse(p.allowsCoreThreadTimeOut());
1958	>	}
1959	>	}
1960	>
1961	>	/**
1962	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1963	>	*/
1964	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1965	>	long keepAliveTime = timeoutMillis();
1966	>	final ThreadPoolExecutor p =
1967	>	new ThreadPoolExecutor(2, 10,
1968	>	keepAliveTime, MILLISECONDS,
1969	>	new ArrayBlockingQueue<Runnable>(10));
1970	>	try (PoolCleaner cleaner = cleaner(p)) {
1971	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1972	>	p.allowCoreThreadTimeOut(true);
1973	>	p.execute(new CheckedRunnable() {
1974	>	public void realRun() {
1975	>	threadStarted.countDown();
1976	>	assertEquals(1, p.getPoolSize());
1977	>	}});
1978	>	await(threadStarted);
1979	>	delay(keepAliveTime);
1980	>	long startTime = System.nanoTime();
1981	>	while (p.getPoolSize() > 0
1982	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1983	>	Thread.yield();
1984	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1985	>	assertEquals(0, p.getPoolSize());
1986	>	}
1987	>	}
1988	>
1989	>	/**
1990	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1991	>	*/
1992	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1993	>	long keepAliveTime = timeoutMillis();
1994	>	final ThreadPoolExecutor p =
1995	>	new ThreadPoolExecutor(2, 10,
1996	>	keepAliveTime, MILLISECONDS,
1997	>	new ArrayBlockingQueue<Runnable>(10));
1998	>	try (PoolCleaner cleaner = cleaner(p)) {
1999	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2000	>	p.allowCoreThreadTimeOut(false);
2001	>	p.execute(new CheckedRunnable() {
2002	>	public void realRun() throws InterruptedException {
2003	>	threadStarted.countDown();
2004	>	assertTrue(p.getPoolSize() >= 1);
2005	>	}});
2006	>	delay(2 * keepAliveTime);
2007	>	assertTrue(p.getPoolSize() >= 1);
2008	>	}
2009	>	}
2010	>
2011	>	/**
2012	>	* execute allows the same task to be submitted multiple times, even
2013	>	* if rejected
2014	>	*/
2015	>	public void testRejectedRecycledTask() throws InterruptedException {
2016	>	final int nTasks = 1000;
2017	>	final CountDownLatch done = new CountDownLatch(nTasks);
2018	>	final Runnable recycledTask = new Runnable() {
2019	>	public void run() {
2020	>	done.countDown();
2021	>	}};
2022	>	final ThreadPoolExecutor p =
2023	>	new ThreadPoolExecutor(1, 30,
2024	>	60, SECONDS,
2025	>	new ArrayBlockingQueue(30));
2026	>	try (PoolCleaner cleaner = cleaner(p)) {
2027	>	for (int i = 0; i < nTasks; ++i) {
2028	>	for (;;) {
2029	>	try {
2030	>	p.execute(recycledTask);
2031	>	break;
2032	>	}
2033	>	catch (RejectedExecutionException ignore) {}
2034	>	}
2035	>	}
2036	>	// enough time to run all tasks
2037	>	await(done, nTasks * SHORT_DELAY_MS);
2038	>	}
2039	>	}
2040	>
2041	>	/**
2042	>	* get(cancelled task) throws CancellationException
2043	>	*/
2044	>	public void testGet_cancelled() throws Exception {
2045	>	final CountDownLatch done = new CountDownLatch(1);
2046	>	final ExecutorService e =
2047	>	new ThreadPoolExecutor(1, 1,
2048	>	LONG_DELAY_MS, MILLISECONDS,
2049	>	new LinkedBlockingQueue<Runnable>());
2050	>	try (PoolCleaner cleaner = cleaner(e, done)) {
2051	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2052	>	final List<Future<?>> futures = new ArrayList<>();
2053	>	for (int i = 0; i < 2; i++) {
2054	>	Runnable r = new CheckedRunnable() { public void realRun()
2055	>	throws Throwable {
2056	>	blockerStarted.countDown();
2057	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2058	>	}};
2059	>	futures.add(e.submit(r));
2060	>	}
2061	>	await(blockerStarted);
2062	>	for (Future<?> future : futures) future.cancel(false);
2063	>	for (Future<?> future : futures) {
2064	>	try {
2065	>	future.get();
2066	>	shouldThrow();
2067	>	} catch (CancellationException success) {}
2068	>	try {
2069	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2070	>	shouldThrow();
2071	>	} catch (CancellationException success) {}
2072	>	assertTrue(future.isCancelled());
2073	>	assertTrue(future.isDone());
2074	>	}
2075		}
487	–	catch (IllegalArgumentException i19){}
2076		}
2077
490	–	//---- Tests if corePoolSize is greater than the maximumPoolSize
491	–	public void testConstructor20() {
492	–	try{
493	–	new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
494	–	fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
495	–	}
496	–	catch (IllegalArgumentException i20){}
497	–	}
498	–
499	–	//---- Tests if workQueue is set to null
500	–	public void testNullPointerException6() {
501	–	try{
502	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
503	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
504	–	}
505	–	catch (NullPointerException n6){}
506	–	}
507	–
508	–	//---- Tests if handler is set to null
509	–	public void testNullPointerException7() {
510	–	try{
511	–	RejectedExecutionHandler r = null;
512	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
513	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
514	–	}
515	–	catch (NullPointerException n7){}
516	–	}
517	–
518	–	//---- Tests if ThradFactory is set top null
519	–	public void testNullPointerException8() {
520	–	try{
521	–	ThreadFactory f = null;
522	–	new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
523	–	fail("ThreadPoolExecutor constructor should throw a NullPointerException");
524	–	}
525	–	catch (NullPointerException n8){}
526	–	}
527	–
528	–
529	–	/**
530	–	*  Test to verify execute will throw RejectedExcutionException
531	–	*  ThreadPoolExecutor will throw one when more runnables are
532	–	*  executed then will fit in the Queue.
533	–	*/
534	–	public void testRejectedExecutedException(){
535	–	ThreadPoolExecutor tpe = null;
536	–	try{
537	–	tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
538	–	}catch(Exception e){}
539	–	tpe.shutdown();
540	–	try{
541	–	tpe.execute(new Runnable(){
542	–	public void run(){
543	–	try{
544	–	Thread.sleep(1000);
545	–	}catch(InterruptedException e){}
546	–	}
547	–	});
548	–	fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549	–	}catch(RejectedExecutionException sucess){}
550	–
551	–
552	–	}
553	–
554	–	/**
555	–	*  Test to verify setCorePoolSize will throw IllegalArgumentException
556	–	*  when given a negative
557	–	*/
558	–	public void testIllegalArgumentException1(){
559	–	ThreadPoolExecutor tpe = null;
560	–	try{
561	–	tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562	–	}catch(Exception e){}
563	–	try{
564	–	tpe.setCorePoolSize(-1);
565	–	fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
566	–	}catch(IllegalArgumentException sucess){
567	–	} finally {
568	–	tpe.shutdown();
569	–	}
570	–	}
571	–
572	–
573	–	/**
574	–	*  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
575	–	*  if given a value less the it's actual core pool size
576	–	*/
577	–	public void testIllegalArgumentException2(){
578	–	ThreadPoolExecutor tpe = null;
579	–	try{
580	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
581	–	}catch(Exception e){}
582	–	try{
583	–	tpe.setMaximumPoolSize(1);
584	–	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
585	–	}catch(IllegalArgumentException sucess){
586	–	} finally {
587	–	tpe.shutdown();
588	–	}
589	–	}
590	–
591	–	/**
592	–	*  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593	–	*  if given a negative number
594	–	*/
595	–	public void testIllegalArgumentException2SP(){
596	–	ThreadPoolExecutor tpe = null;
597	–	try{
598	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
599	–	}catch(Exception e){}
600	–	try{
601	–	tpe.setMaximumPoolSize(-1);
602	–	fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
603	–	}catch(IllegalArgumentException sucess){
604	–	} finally {
605	–	tpe.shutdown();
606	–	}
607	–	}
608	–
609	–
610	–	/**
611	–	*  Test to verify setKeepAliveTime will throw IllegalArgumentException
612	–	*  when given a negative value
613	–	*/
614	–	public void testIllegalArgumentException3(){
615	–	ThreadPoolExecutor tpe = null;
616	–	try{
617	–	tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
618	–	}catch(Exception e){}
619	–
620	–	try{
621	–	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
622	–	fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
623	–	}catch(IllegalArgumentException sucess){
624	–	} finally {
625	–	tpe.shutdown();
626	–	}
627	–	}
628	–
629	–
630	–
2078		}

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