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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.126 by jsr166, Fri Sep 6 18:43:35 2019 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.ThreadLocalRandom;
32	+	import java.util.concurrent.ThreadPoolExecutor;
33	+	import java.util.concurrent.ThreadPoolExecutor.AbortPolicy;
34	+	import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
35	+	import java.util.concurrent.ThreadPoolExecutor.DiscardPolicy;
36	+	import java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy;
37	+	import java.util.concurrent.atomic.AtomicInteger;
38	+	import java.util.concurrent.atomic.AtomicReference;
39	+
40	+	import junit.framework.Test;
41	+	import junit.framework.TestSuite;
42
43		public class ThreadPoolExecutorTest extends JSR166TestCase {
44		public static void main(String[] args) {
45	<	junit.textui.TestRunner.run (suite());
45	>	main(suite(), args);
46		}
47		public static Test suite() {
48		return new TestSuite(ThreadPoolExecutorTest.class);
49		}
50	<
50	>
51	>	static class ExtendedTPE extends ThreadPoolExecutor {
52	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
53	>	final CountDownLatch afterCalled = new CountDownLatch(1);
54	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
55	>
56	>	public ExtendedTPE() {
57	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
58	>	}
59	>	protected void beforeExecute(Thread t, Runnable r) {
60	>	beforeCalled.countDown();
61	>	}
62	>	protected void afterExecute(Runnable r, Throwable t) {
63	>	afterCalled.countDown();
64	>	}
65	>	protected void terminated() {
66	>	terminatedCalled.countDown();
67	>	}
68	>
69	>	public boolean beforeCalled() {
70	>	return beforeCalled.getCount() == 0;
71	>	}
72	>	public boolean afterCalled() {
73	>	return afterCalled.getCount() == 0;
74	>	}
75	>	public boolean terminatedCalled() {
76	>	return terminatedCalled.getCount() == 0;
77	>	}
78	>	}
79	>
80	>	static class FailingThreadFactory implements ThreadFactory {
81	>	int calls = 0;
82	>	public Thread newThread(Runnable r) {
83	>	if (++calls > 1) return null;
84	>	return new Thread(r);
85	>	}
86	>	}
87	>
88		/**
89	<	* For use as ThreadFactory in constructors
89	>	* execute successfully executes a runnable
90		*/
91	<	static class MyThreadFactory implements ThreadFactory{
92	<	public Thread newThread(Runnable r){
93	<	return new Thread(r);
94	<	}
91	>	public void testExecute() throws InterruptedException {
92	>	final ThreadPoolExecutor p =
93	>	new ThreadPoolExecutor(1, 1,
94	>	LONG_DELAY_MS, MILLISECONDS,
95	>	new ArrayBlockingQueue<Runnable>(10));
96	>	try (PoolCleaner cleaner = cleaner(p)) {
97	>	final CountDownLatch done = new CountDownLatch(1);
98	>	final Runnable task = new CheckedRunnable() {
99	>	public void realRun() { done.countDown(); }};
100	>	p.execute(task);
101	>	await(done);
102	>	}
103		}
104
105		/**
106	<	* For use as RejectedExecutionHandler in constructors
106	>	* getActiveCount increases but doesn't overestimate, when a
107	>	* thread becomes active
108		*/
109	<	static class MyREHandler implements RejectedExecutionHandler{
110	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
109	>	public void testGetActiveCount() throws InterruptedException {
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	final ThreadPoolExecutor p =
112	>	new ThreadPoolExecutor(2, 2,
113	>	LONG_DELAY_MS, MILLISECONDS,
114	>	new ArrayBlockingQueue<Runnable>(10));
115	>	try (PoolCleaner cleaner = cleaner(p, done)) {
116	>	final CountDownLatch threadStarted = new CountDownLatch(1);
117	>	assertEquals(0, p.getActiveCount());
118	>	p.execute(new CheckedRunnable() {
119	>	public void realRun() throws InterruptedException {
120	>	threadStarted.countDown();
121	>	assertEquals(1, p.getActiveCount());
122	>	await(done);
123	>	}});
124	>	await(threadStarted);
125	>	assertEquals(1, p.getActiveCount());
126	>	}
127		}
128	<
128	>
129		/**
130	<	*   execute successfully executes a runnable
130	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
131		*/
132	<	public void testExecute() {
133	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
134	<	try {
135	<	p1.execute(new Runnable() {
136	<	public void run() {
137	<	try {
138	<	Thread.sleep(SHORT_DELAY_MS);
139	<	} catch(InterruptedException e){
140	<	threadUnexpectedException();
141	<	}
142	<	}
143	<	});
144	<	Thread.sleep(SMALL_DELAY_MS);
145	<	} catch(InterruptedException e){
146	<	unexpectedException();
147	<	}
148	<	joinPool(p1);
132	>	public void testPrestartCoreThread() {
133	>	final ThreadPoolExecutor p =
134	>	new ThreadPoolExecutor(2, 6,
135	>	LONG_DELAY_MS, MILLISECONDS,
136	>	new ArrayBlockingQueue<Runnable>(10));
137	>	try (PoolCleaner cleaner = cleaner(p)) {
138	>	assertEquals(0, p.getPoolSize());
139	>	assertTrue(p.prestartCoreThread());
140	>	assertEquals(1, p.getPoolSize());
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(2, p.getPoolSize());
143	>	assertFalse(p.prestartCoreThread());
144	>	assertEquals(2, p.getPoolSize());
145	>	p.setCorePoolSize(4);
146	>	assertTrue(p.prestartCoreThread());
147	>	assertEquals(3, p.getPoolSize());
148	>	assertTrue(p.prestartCoreThread());
149	>	assertEquals(4, p.getPoolSize());
150	>	assertFalse(p.prestartCoreThread());
151	>	assertEquals(4, p.getPoolSize());
152	>	}
153		}
154
155		/**
156	<	*   getActiveCount gives correct values
156	>	* prestartAllCoreThreads starts all corePoolSize threads
157		*/
158	<	public void testGetActiveCount() {
159	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
160	<	assertEquals(0, p2.getActiveCount());
161	<	p2.execute(new MediumRunnable());
162	<	try {
163	<	Thread.sleep(SHORT_DELAY_MS);
164	<	} catch(Exception e){
165	<	unexpectedException();
158	>	public void testPrestartAllCoreThreads() {
159	>	final ThreadPoolExecutor p =
160	>	new ThreadPoolExecutor(2, 6,
161	>	LONG_DELAY_MS, MILLISECONDS,
162	>	new ArrayBlockingQueue<Runnable>(10));
163	>	try (PoolCleaner cleaner = cleaner(p)) {
164	>	assertEquals(0, p.getPoolSize());
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(2, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(2, p.getPoolSize());
169	>	p.setCorePoolSize(4);
170	>	p.prestartAllCoreThreads();
171	>	assertEquals(4, p.getPoolSize());
172	>	p.prestartAllCoreThreads();
173	>	assertEquals(4, p.getPoolSize());
174		}
70	–	assertEquals(1, p2.getActiveCount());
71	–	joinPool(p2);
175		}
176	<
176	>
177		/**
178	<	*   getCompleteTaskCount gives correct values
178	>	* getCompletedTaskCount increases, but doesn't overestimate,
179	>	* when tasks complete
180		*/
181	<	public void testGetCompletedTaskCount() {
182	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
183	<	assertEquals(0, p2.getCompletedTaskCount());
184	<	p2.execute(new ShortRunnable());
185	<	try {
186	<	Thread.sleep(MEDIUM_DELAY_MS);
187	<	} catch(Exception e){
188	<	unexpectedException();
181	>	public void testGetCompletedTaskCount() throws InterruptedException {
182	>	final ThreadPoolExecutor p =
183	>	new ThreadPoolExecutor(2, 2,
184	>	LONG_DELAY_MS, MILLISECONDS,
185	>	new ArrayBlockingQueue<Runnable>(10));
186	>	try (PoolCleaner cleaner = cleaner(p)) {
187	>	final CountDownLatch threadStarted = new CountDownLatch(1);
188	>	final CountDownLatch threadProceed = new CountDownLatch(1);
189	>	final CountDownLatch threadDone = new CountDownLatch(1);
190	>	assertEquals(0, p.getCompletedTaskCount());
191	>	p.execute(new CheckedRunnable() {
192	>	public void realRun() throws InterruptedException {
193	>	threadStarted.countDown();
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	await(threadProceed);
196	>	threadDone.countDown();
197	>	}});
198	>	await(threadStarted);
199	>	assertEquals(0, p.getCompletedTaskCount());
200	>	threadProceed.countDown();
201	>	await(threadDone);
202	>	long startTime = System.nanoTime();
203	>	while (p.getCompletedTaskCount() != 1) {
204	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
205	>	fail("timed out");
206	>	Thread.yield();
207	>	}
208		}
86	–	assertEquals(1, p2.getCompletedTaskCount());
87	–	p2.shutdown();
88	–	joinPool(p2);
209		}
210	<
210	>
211		/**
212	<	*   getCorePoolSize gives correct values
212	>	* getCorePoolSize returns size given in constructor if not otherwise set
213		*/
214		public void testGetCorePoolSize() {
215	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
216	<	assertEquals(1, p1.getCorePoolSize());
217	<	joinPool(p1);
215	>	final ThreadPoolExecutor p =
216	>	new ThreadPoolExecutor(1, 1,
217	>	LONG_DELAY_MS, MILLISECONDS,
218	>	new ArrayBlockingQueue<Runnable>(10));
219	>	try (PoolCleaner cleaner = cleaner(p)) {
220	>	assertEquals(1, p.getCorePoolSize());
221	>	}
222		}
223	<
223	>
224		/**
225	<	*   getKeepAliveTime gives correct values
225	>	* getKeepAliveTime returns value given in constructor if not otherwise set
226		*/
227		public void testGetKeepAliveTime() {
228	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
229	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
230	<	joinPool(p2);
231	<	}
232	<
233	<	/**
234	<	*   getLargestPoolSize gives correct values
111	<	*/
112	<	public void testGetLargestPoolSize() {
113	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
114	<	try {
115	<	assertEquals(0, p2.getLargestPoolSize());
116	<	p2.execute(new MediumRunnable());
117	<	p2.execute(new MediumRunnable());
118	<	Thread.sleep(SHORT_DELAY_MS);
119	<	assertEquals(2, p2.getLargestPoolSize());
120	<	} catch(Exception e){
121	<	unexpectedException();
122	<	}
123	<	joinPool(p2);
228	>	final ThreadPoolExecutor p =
229	>	new ThreadPoolExecutor(2, 2,
230	>	1000, MILLISECONDS,
231	>	new ArrayBlockingQueue<Runnable>(10));
232	>	try (PoolCleaner cleaner = cleaner(p)) {
233	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
234	>	}
235		}
236	<
236	>
237		/**
238	<	*   getMaximumPoolSize gives correct values
238	>	* getThreadFactory returns factory in constructor if not set
239	>	*/
240	>	public void testGetThreadFactory() {
241	>	ThreadFactory threadFactory = new SimpleThreadFactory();
242	>	final ThreadPoolExecutor p =
243	>	new ThreadPoolExecutor(1, 2,
244	>	LONG_DELAY_MS, MILLISECONDS,
245	>	new ArrayBlockingQueue<Runnable>(10),
246	>	threadFactory,
247	>	new NoOpREHandler());
248	>	try (PoolCleaner cleaner = cleaner(p)) {
249	>	assertSame(threadFactory, p.getThreadFactory());
250	>	}
251	>	}
252	>
253	>	/**
254	>	* setThreadFactory sets the thread factory returned by getThreadFactory
255	>	*/
256	>	public void testSetThreadFactory() {
257	>	final ThreadPoolExecutor p =
258	>	new ThreadPoolExecutor(1, 2,
259	>	LONG_DELAY_MS, MILLISECONDS,
260	>	new ArrayBlockingQueue<Runnable>(10));
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	ThreadFactory threadFactory = new SimpleThreadFactory();
263	>	p.setThreadFactory(threadFactory);
264	>	assertSame(threadFactory, p.getThreadFactory());
265	>	}
266	>	}
267	>
268	>	/**
269	>	* setThreadFactory(null) throws NPE
270	>	*/
271	>	public void testSetThreadFactoryNull() {
272	>	final ThreadPoolExecutor p =
273	>	new ThreadPoolExecutor(1, 2,
274	>	LONG_DELAY_MS, MILLISECONDS,
275	>	new ArrayBlockingQueue<Runnable>(10));
276	>	try (PoolCleaner cleaner = cleaner(p)) {
277	>	try {
278	>	p.setThreadFactory(null);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281	>	}
282	>	}
283	>
284	>	/**
285	>	* The default rejected execution handler is AbortPolicy.
286	>	*/
287	>	public void testDefaultRejectedExecutionHandler() {
288	>	final ThreadPoolExecutor p =
289	>	new ThreadPoolExecutor(1, 2,
290	>	LONG_DELAY_MS, MILLISECONDS,
291	>	new ArrayBlockingQueue<Runnable>(10));
292	>	try (PoolCleaner cleaner = cleaner(p)) {
293	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
294	>	}
295	>	}
296	>
297	>	/**
298	>	* getRejectedExecutionHandler returns handler in constructor if not set
299	>	*/
300	>	public void testGetRejectedExecutionHandler() {
301	>	final RejectedExecutionHandler handler = new NoOpREHandler();
302	>	final ThreadPoolExecutor p =
303	>	new ThreadPoolExecutor(1, 2,
304	>	LONG_DELAY_MS, MILLISECONDS,
305	>	new ArrayBlockingQueue<Runnable>(10),
306	>	handler);
307	>	try (PoolCleaner cleaner = cleaner(p)) {
308	>	assertSame(handler, p.getRejectedExecutionHandler());
309	>	}
310	>	}
311	>
312	>	/**
313	>	* setRejectedExecutionHandler sets the handler returned by
314	>	* getRejectedExecutionHandler
315	>	*/
316	>	public void testSetRejectedExecutionHandler() {
317	>	final ThreadPoolExecutor p =
318	>	new ThreadPoolExecutor(1, 2,
319	>	LONG_DELAY_MS, MILLISECONDS,
320	>	new ArrayBlockingQueue<Runnable>(10));
321	>	try (PoolCleaner cleaner = cleaner(p)) {
322	>	RejectedExecutionHandler handler = new NoOpREHandler();
323	>	p.setRejectedExecutionHandler(handler);
324	>	assertSame(handler, p.getRejectedExecutionHandler());
325	>	}
326	>	}
327	>
328	>	/**
329	>	* setRejectedExecutionHandler(null) throws NPE
330	>	*/
331	>	public void testSetRejectedExecutionHandlerNull() {
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(1, 2,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	try {
338	>	p.setRejectedExecutionHandler(null);
339	>	shouldThrow();
340	>	} catch (NullPointerException success) {}
341	>	}
342	>	}
343	>
344	>	/**
345	>	* getLargestPoolSize increases, but doesn't overestimate, when
346	>	* multiple threads active
347	>	*/
348	>	public void testGetLargestPoolSize() throws InterruptedException {
349	>	final int THREADS = 3;
350	>	final CountDownLatch done = new CountDownLatch(1);
351	>	final ThreadPoolExecutor p =
352	>	new ThreadPoolExecutor(THREADS, THREADS,
353	>	LONG_DELAY_MS, MILLISECONDS,
354	>	new ArrayBlockingQueue<Runnable>(10));
355	>	try (PoolCleaner cleaner = cleaner(p, done)) {
356	>	assertEquals(0, p.getLargestPoolSize());
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	for (int i = 0; i < THREADS; i++)
359	>	p.execute(new CheckedRunnable() {
360	>	public void realRun() throws InterruptedException {
361	>	threadsStarted.countDown();
362	>	await(done);
363	>	assertEquals(THREADS, p.getLargestPoolSize());
364	>	}});
365	>	await(threadsStarted);
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	}
368	>	assertEquals(THREADS, p.getLargestPoolSize());
369	>	}
370	>
371	>	/**
372	>	* getMaximumPoolSize returns value given in constructor if not
373	>	* otherwise set
374		*/
375		public void testGetMaximumPoolSize() {
376	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
377	<	assertEquals(2, p2.getMaximumPoolSize());
378	<	joinPool(p2);
376	>	final ThreadPoolExecutor p =
377	>	new ThreadPoolExecutor(2, 3,
378	>	LONG_DELAY_MS, MILLISECONDS,
379	>	new ArrayBlockingQueue<Runnable>(10));
380	>	try (PoolCleaner cleaner = cleaner(p)) {
381	>	assertEquals(3, p.getMaximumPoolSize());
382	>	p.setMaximumPoolSize(5);
383	>	assertEquals(5, p.getMaximumPoolSize());
384	>	p.setMaximumPoolSize(4);
385	>	assertEquals(4, p.getMaximumPoolSize());
386	>	}
387		}
388	<
388	>
389		/**
390	<	*   getPoolSize gives correct values
390	>	* getPoolSize increases, but doesn't overestimate, when threads
391	>	* become active
392		*/
393	<	public void testGetPoolSize() {
394	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
395	<	assertEquals(0, p1.getPoolSize());
396	<	p1.execute(new MediumRunnable());
397	<	assertEquals(1, p1.getPoolSize());
398	<	joinPool(p1);
393	>	public void testGetPoolSize() throws InterruptedException {
394	>	final CountDownLatch done = new CountDownLatch(1);
395	>	final ThreadPoolExecutor p =
396	>	new ThreadPoolExecutor(1, 1,
397	>	LONG_DELAY_MS, MILLISECONDS,
398	>	new ArrayBlockingQueue<Runnable>(10));
399	>	try (PoolCleaner cleaner = cleaner(p, done)) {
400	>	assertEquals(0, p.getPoolSize());
401	>	final CountDownLatch threadStarted = new CountDownLatch(1);
402	>	p.execute(new CheckedRunnable() {
403	>	public void realRun() throws InterruptedException {
404	>	threadStarted.countDown();
405	>	assertEquals(1, p.getPoolSize());
406	>	await(done);
407	>	}});
408	>	await(threadStarted);
409	>	assertEquals(1, p.getPoolSize());
410	>	}
411		}
412	<
412	>
413		/**
414	<	*   getTaskCount gives correct values
414	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
415		*/
416	<	public void testGetTaskCount() {
417	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
418	<	try {
419	<	assertEquals(0, p1.getTaskCount());
420	<	p1.execute(new MediumRunnable());
421	<	Thread.sleep(SHORT_DELAY_MS);
422	<	assertEquals(1, p1.getTaskCount());
423	<	} catch(Exception e){
424	<	unexpectedException();
425	<	}
426	<	joinPool(p1);
416	>	public void testGetTaskCount() throws InterruptedException {
417	>	final int TASKS = 3;
418	>	final CountDownLatch done = new CountDownLatch(1);
419	>	final ThreadPoolExecutor p =
420	>	new ThreadPoolExecutor(1, 1,
421	>	LONG_DELAY_MS, MILLISECONDS,
422	>	new ArrayBlockingQueue<Runnable>(10));
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424	>	final CountDownLatch threadStarted = new CountDownLatch(1);
425	>	assertEquals(0, p.getTaskCount());
426	>	assertEquals(0, p.getCompletedTaskCount());
427	>	p.execute(new CheckedRunnable() {
428	>	public void realRun() throws InterruptedException {
429	>	threadStarted.countDown();
430	>	await(done);
431	>	}});
432	>	await(threadStarted);
433	>	assertEquals(1, p.getTaskCount());
434	>	assertEquals(0, p.getCompletedTaskCount());
435	>	for (int i = 0; i < TASKS; i++) {
436	>	assertEquals(1 + i, p.getTaskCount());
437	>	p.execute(new CheckedRunnable() {
438	>	public void realRun() throws InterruptedException {
439	>	threadStarted.countDown();
440	>	assertEquals(1 + TASKS, p.getTaskCount());
441	>	await(done);
442	>	}});
443	>	}
444	>	assertEquals(1 + TASKS, p.getTaskCount());
445	>	assertEquals(0, p.getCompletedTaskCount());
446	>	}
447	>	assertEquals(1 + TASKS, p.getTaskCount());
448	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
449		}
450	<
450	>
451		/**
452	<	*   isShutDown gives correct values
452	>	* isShutdown is false before shutdown, true after
453		*/
454		public void testIsShutdown() {
455	<
456	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
457	<	assertFalse(p1.isShutdown());
458	<	p1.shutdown();
459	<	assertTrue(p1.isShutdown());
460	<	joinPool(p1);
455	>	final ThreadPoolExecutor p =
456	>	new ThreadPoolExecutor(1, 1,
457	>	LONG_DELAY_MS, MILLISECONDS,
458	>	new ArrayBlockingQueue<Runnable>(10));
459	>	try (PoolCleaner cleaner = cleaner(p)) {
460	>	assertFalse(p.isShutdown());
461	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
462	>	assertTrue(p.isShutdown());
463	>	}
464		}
465
174	–
466		/**
467	<	*   isTerminated gives correct values
177	<	*  Makes sure termination does not take an innapropriate
178	<	*  amount of time
467	>	* awaitTermination on a non-shutdown pool times out
468		*/
469	<	public void testIsTerminated() {
470	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
471	<	try {
472	<	p1.execute(new MediumRunnable());
473	<	} finally {
474	<	p1.shutdown();
469	>	public void testAwaitTermination_timesOut() throws InterruptedException {
470	>	final ThreadPoolExecutor p =
471	>	new ThreadPoolExecutor(1, 1,
472	>	LONG_DELAY_MS, MILLISECONDS,
473	>	new ArrayBlockingQueue<Runnable>(10));
474	>	try (PoolCleaner cleaner = cleaner(p)) {
475	>	assertFalse(p.isTerminated());
476	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
477	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
478	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
479	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
480	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
481	>	randomTimeUnit()));
482	>	long timeoutNanos = 999999L;
483	>	long startTime = System.nanoTime();
484	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
485	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
486	>	assertFalse(p.isTerminated());
487	>	startTime = System.nanoTime();
488	>	long timeoutMillis = timeoutMillis();
489	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
490	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
491	>	assertFalse(p.isTerminated());
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	>	assertTrue(p.isTerminated());
495		}
187	–	try {
188	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189	–	assertTrue(p1.isTerminated());
190	–	} catch(Exception e){
191	–	unexpectedException();
192	–	}
496		}
497
498		/**
499	<	*  isTerminating gives correct values
499	>	* isTerminated is false before termination, true after
500		*/
501	<	public void testIsTerminating() {
502	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
503	<	assertFalse(p1.isTerminating());
504	<	try {
505	<	p1.execute(new SmallRunnable());
506	<	assertFalse(p1.isTerminating());
507	<	} finally {
508	<	p1.shutdown();
501	>	public void testIsTerminated() throws InterruptedException {
502	>	final ThreadPoolExecutor p =
503	>	new ThreadPoolExecutor(1, 1,
504	>	LONG_DELAY_MS, MILLISECONDS,
505	>	new ArrayBlockingQueue<Runnable>(10));
506	>	try (PoolCleaner cleaner = cleaner(p)) {
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	assertFalse(p.isTerminating());
510	>	p.execute(new CheckedRunnable() {
511	>	public void realRun() throws InterruptedException {
512	>	assertFalse(p.isTerminating());
513	>	threadStarted.countDown();
514	>	await(done);
515	>	}});
516	>	await(threadStarted);
517	>	assertFalse(p.isTerminating());
518	>	done.countDown();
519	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
520	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
521	>	assertTrue(p.isTerminated());
522	>	assertFalse(p.isTerminating());
523		}
207	–	try {
208	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
209	–	assertTrue(p1.isTerminated());
210	–	assertFalse(p1.isTerminating());
211	–	} catch(Exception e){
212	–	unexpectedException();
213	–	}
524		}
525
526		/**
527	<	*   purge correctly removes cancelled tasks
218	<	*  from the queue
527	>	* isTerminating is not true when running or when terminated
528		*/
529	<	public void testPurge() {
530	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
531	<	CancellableTask[] tasks = new CancellableTask[5];
532	<	for(int i = 0; i < 5; i++){
533	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
534	<	p1.execute(tasks[i]);
529	>	public void testIsTerminating() throws InterruptedException {
530	>	final ThreadPoolExecutor p =
531	>	new ThreadPoolExecutor(1, 1,
532	>	LONG_DELAY_MS, MILLISECONDS,
533	>	new ArrayBlockingQueue<Runnable>(10));
534	>	try (PoolCleaner cleaner = cleaner(p)) {
535	>	final CountDownLatch threadStarted = new CountDownLatch(1);
536	>	final CountDownLatch done = new CountDownLatch(1);
537	>	assertFalse(p.isTerminating());
538	>	p.execute(new CheckedRunnable() {
539	>	public void realRun() throws InterruptedException {
540	>	assertFalse(p.isTerminating());
541	>	threadStarted.countDown();
542	>	await(done);
543	>	}});
544	>	await(threadStarted);
545	>	assertFalse(p.isTerminating());
546	>	done.countDown();
547	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
548	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
549	>	assertTrue(p.isTerminated());
550	>	assertFalse(p.isTerminating());
551		}
227	–	tasks[4].cancel(true);
228	–	tasks[3].cancel(true);
229	–	p1.purge();
230	–	long count = p1.getTaskCount();
231	–	assertTrue(count >= 2 && count < 5);
232	–	joinPool(p1);
552		}
553
554		/**
555	<	*   shutDownNow returns a list
237	<	*  containing the correct number of elements
555	>	* getQueue returns the work queue, which contains queued tasks
556		*/
557	<	public void testShutDownNow() {
558	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
559	<	List l;
560	<	try {
561	<	for(int i = 0; i < 5; i++)
562	<	p1.execute(new MediumPossiblyInterruptedRunnable());
557	>	public void testGetQueue() throws InterruptedException {
558	>	final CountDownLatch done = new CountDownLatch(1);
559	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
560	>	final ThreadPoolExecutor p =
561	>	new ThreadPoolExecutor(1, 1,
562	>	LONG_DELAY_MS, MILLISECONDS,
563	>	q);
564	>	try (PoolCleaner cleaner = cleaner(p, done)) {
565	>	final CountDownLatch threadStarted = new CountDownLatch(1);
566	>	FutureTask[] tasks = new FutureTask[5];
567	>	for (int i = 0; i < tasks.length; i++) {
568	>	Callable task = new CheckedCallable<Boolean>() {
569	>	public Boolean realCall() throws InterruptedException {
570	>	threadStarted.countDown();
571	>	assertSame(q, p.getQueue());
572	>	await(done);
573	>	return Boolean.TRUE;
574	>	}};
575	>	tasks[i] = new FutureTask(task);
576	>	p.execute(tasks[i]);
577	>	}
578	>	await(threadStarted);
579	>	assertSame(q, p.getQueue());
580	>	assertFalse(q.contains(tasks[0]));
581	>	assertTrue(q.contains(tasks[tasks.length - 1]));
582	>	assertEquals(tasks.length - 1, q.size());
583	>	}
584	>	}
585	>
586	>	/**
587	>	* remove(task) removes queued task, and fails to remove active task
588	>	*/
589	>	public void testRemove() throws InterruptedException {
590	>	final CountDownLatch done = new CountDownLatch(1);
591	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
592	>	final ThreadPoolExecutor p =
593	>	new ThreadPoolExecutor(1, 1,
594	>	LONG_DELAY_MS, MILLISECONDS,
595	>	q);
596	>	try (PoolCleaner cleaner = cleaner(p, done)) {
597	>	Runnable[] tasks = new Runnable[6];
598	>	final CountDownLatch threadStarted = new CountDownLatch(1);
599	>	for (int i = 0; i < tasks.length; i++) {
600	>	tasks[i] = new CheckedRunnable() {
601	>	public void realRun() throws InterruptedException {
602	>	threadStarted.countDown();
603	>	await(done);
604	>	}};
605	>	p.execute(tasks[i]);
606	>	}
607	>	await(threadStarted);
608	>	assertFalse(p.remove(tasks[0]));
609	>	assertTrue(q.contains(tasks[4]));
610	>	assertTrue(q.contains(tasks[3]));
611	>	assertTrue(p.remove(tasks[4]));
612	>	assertFalse(p.remove(tasks[4]));
613	>	assertFalse(q.contains(tasks[4]));
614	>	assertTrue(q.contains(tasks[3]));
615	>	assertTrue(p.remove(tasks[3]));
616	>	assertFalse(q.contains(tasks[3]));
617		}
618	<	finally {
619	<	l = p1.shutdownNow();
618	>	}
619	>
620	>	/**
621	>	* purge removes cancelled tasks from the queue
622	>	*/
623	>	public void testPurge() throws InterruptedException {
624	>	final CountDownLatch threadStarted = new CountDownLatch(1);
625	>	final CountDownLatch done = new CountDownLatch(1);
626	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
627	>	final ThreadPoolExecutor p =
628	>	new ThreadPoolExecutor(1, 1,
629	>	LONG_DELAY_MS, MILLISECONDS,
630	>	q);
631	>	try (PoolCleaner cleaner = cleaner(p, done)) {
632	>	FutureTask[] tasks = new FutureTask[5];
633	>	for (int i = 0; i < tasks.length; i++) {
634	>	Callable task = new CheckedCallable<Boolean>() {
635	>	public Boolean realCall() throws InterruptedException {
636	>	threadStarted.countDown();
637	>	await(done);
638	>	return Boolean.TRUE;
639	>	}};
640	>	tasks[i] = new FutureTask(task);
641	>	p.execute(tasks[i]);
642	>	}
643	>	await(threadStarted);
644	>	assertEquals(tasks.length, p.getTaskCount());
645	>	assertEquals(tasks.length - 1, q.size());
646	>	assertEquals(1L, p.getActiveCount());
647	>	assertEquals(0L, p.getCompletedTaskCount());
648	>	tasks[4].cancel(true);
649	>	tasks[3].cancel(false);
650	>	p.purge();
651	>	assertEquals(tasks.length - 3, q.size());
652	>	assertEquals(tasks.length - 2, p.getTaskCount());
653	>	p.purge();         // Nothing to do
654	>	assertEquals(tasks.length - 3, q.size());
655	>	assertEquals(tasks.length - 2, p.getTaskCount());
656		}
657	<	assertTrue(p1.isShutdown());
658	<	assertTrue(l.size() <= 4);
657	>	}
658	>
659	>	/**
660	>	* shutdownNow returns a list containing tasks that were not run,
661	>	* and those tasks are drained from the queue
662	>	*/
663	>	public void testShutdownNow() throws InterruptedException {
664	>	final int poolSize = 2;
665	>	final int count = 5;
666	>	final AtomicInteger ran = new AtomicInteger(0);
667	>	final ThreadPoolExecutor p =
668	>	new ThreadPoolExecutor(poolSize, poolSize,
669	>	LONG_DELAY_MS, MILLISECONDS,
670	>	new ArrayBlockingQueue<Runnable>(10));
671	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
672	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
673	>	threadsStarted.countDown();
674	>	try {
675	>	MILLISECONDS.sleep(LONGER_DELAY_MS);
676	>	} catch (InterruptedException success) {}
677	>	ran.getAndIncrement();
678	>	}};
679	>	for (int i = 0; i < count; i++)
680	>	p.execute(waiter);
681	>	await(threadsStarted);
682	>	assertEquals(poolSize, p.getActiveCount());
683	>	assertEquals(0, p.getCompletedTaskCount());
684	>	final List<Runnable> queuedTasks;
685	>	try {
686	>	queuedTasks = p.shutdownNow();
687	>	} catch (SecurityException ok) {
688	>	return; // Allowed in case test doesn't have privs
689	>	}
690	>	assertTrue(p.isShutdown());
691	>	assertTrue(p.getQueue().isEmpty());
692	>	assertEquals(count - poolSize, queuedTasks.size());
693	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
694	>	assertTrue(p.isTerminated());
695	>	assertEquals(poolSize, ran.get());
696	>	assertEquals(poolSize, p.getCompletedTaskCount());
697		}
698
699		// Exception Tests
254	–
700
701	<	/** Throws if corePoolSize argument is less than zero */
701	>	/**
702	>	* Constructor throws if corePoolSize argument is less than zero
703	>	*/
704		public void testConstructor1() {
705		try {
706	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
706	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
707	>	new ArrayBlockingQueue<Runnable>(10));
708		shouldThrow();
709	<	}
262	<	catch (IllegalArgumentException success){}
709	>	} catch (IllegalArgumentException success) {}
710		}
711	<
712	<	/** Throws if maximumPoolSize is less than zero */
711	>
712	>	/**
713	>	* Constructor throws if maximumPoolSize is less than zero
714	>	*/
715		public void testConstructor2() {
716		try {
717	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
717	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
718	>	new ArrayBlockingQueue<Runnable>(10));
719		shouldThrow();
720	<	}
271	<	catch (IllegalArgumentException success){}
720	>	} catch (IllegalArgumentException success) {}
721		}
722	<
723	<	/** Throws if maximumPoolSize is equal to zero */
722	>
723	>	/**
724	>	* Constructor throws if maximumPoolSize is equal to zero
725	>	*/
726		public void testConstructor3() {
727		try {
728	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
728	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
729	>	new ArrayBlockingQueue<Runnable>(10));
730		shouldThrow();
731	<	}
280	<	catch (IllegalArgumentException success){}
731	>	} catch (IllegalArgumentException success) {}
732		}
733
734	<	/** Throws if keepAliveTime is less than zero */
734	>	/**
735	>	* Constructor throws if keepAliveTime is less than zero
736	>	*/
737		public void testConstructor4() {
738		try {
739	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
739	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
740	>	new ArrayBlockingQueue<Runnable>(10));
741		shouldThrow();
742	<	}
289	<	catch (IllegalArgumentException success){}
742	>	} catch (IllegalArgumentException success) {}
743		}
744
745	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
745	>	/**
746	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
747	>	*/
748		public void testConstructor5() {
749		try {
750	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
750	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
751	>	new ArrayBlockingQueue<Runnable>(10));
752		shouldThrow();
753	<	}
298	<	catch (IllegalArgumentException success){}
753	>	} catch (IllegalArgumentException success) {}
754		}
755	<
756	<	/** Throws if workQueue is set to null */
757	<	public void testNullPointerException() {
755	>
756	>	/**
757	>	* Constructor throws if workQueue is set to null
758	>	*/
759	>	public void testConstructorNullPointerException() {
760		try {
761	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
761	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
762	>	(BlockingQueue) null);
763		shouldThrow();
764	<	}
307	<	catch (NullPointerException success){}
764	>	} catch (NullPointerException success) {}
765		}
309	–
766
767	<
768	<	/** Throws if corePoolSize argument is less than zero */
767	>	/**
768	>	* Constructor throws if corePoolSize argument is less than zero
769	>	*/
770		public void testConstructor6() {
771		try {
772	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
772	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
773	>	new ArrayBlockingQueue<Runnable>(10),
774	>	new SimpleThreadFactory());
775		shouldThrow();
776	<	} catch (IllegalArgumentException success){}
776	>	} catch (IllegalArgumentException success) {}
777		}
778	<
779	<	/** Throws if maximumPoolSize is less than zero */
778	>
779	>	/**
780	>	* Constructor throws if maximumPoolSize is less than zero
781	>	*/
782		public void testConstructor7() {
783		try {
784	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
784	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
785	>	new ArrayBlockingQueue<Runnable>(10),
786	>	new SimpleThreadFactory());
787		shouldThrow();
788	<	}
326	<	catch (IllegalArgumentException success){}
788	>	} catch (IllegalArgumentException success) {}
789		}
790
791	<	/** Throws if maximumPoolSize is equal to zero */
791	>	/**
792	>	* Constructor throws if maximumPoolSize is equal to zero
793	>	*/
794		public void testConstructor8() {
795		try {
796	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
796	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
797	>	new ArrayBlockingQueue<Runnable>(10),
798	>	new SimpleThreadFactory());
799		shouldThrow();
800	<	}
335	<	catch (IllegalArgumentException success){}
800	>	} catch (IllegalArgumentException success) {}
801		}
802
803	<	/** Throws if keepAliveTime is less than zero */
803	>	/**
804	>	* Constructor throws if keepAliveTime is less than zero
805	>	*/
806		public void testConstructor9() {
807		try {
808	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
808	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
809	>	new ArrayBlockingQueue<Runnable>(10),
810	>	new SimpleThreadFactory());
811		shouldThrow();
812	<	}
344	<	catch (IllegalArgumentException success){}
812	>	} catch (IllegalArgumentException success) {}
813		}
814
815	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
815	>	/**
816	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
817	>	*/
818		public void testConstructor10() {
819		try {
820	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
820	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
821	>	new ArrayBlockingQueue<Runnable>(10),
822	>	new SimpleThreadFactory());
823		shouldThrow();
824	<	}
353	<	catch (IllegalArgumentException success){}
824	>	} catch (IllegalArgumentException success) {}
825		}
826
827	<	/** Throws if workQueue is set to null */
828	<	public void testNullPointerException2() {
827	>	/**
828	>	* Constructor throws if workQueue is set to null
829	>	*/
830	>	public void testConstructorNullPointerException2() {
831		try {
832	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
832	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
833	>	(BlockingQueue) null,
834	>	new SimpleThreadFactory());
835		shouldThrow();
836	<	}
362	<	catch (NullPointerException success){}
836	>	} catch (NullPointerException success) {}
837		}
838
839	<	/** Throws if threadFactory is set to null */
840	<	public void testNullPointerException3() {
839	>	/**
840	>	* Constructor throws if threadFactory is set to null
841	>	*/
842	>	public void testConstructorNullPointerException3() {
843		try {
844	<	ThreadFactory f = null;
845	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
844	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
845	>	new ArrayBlockingQueue<Runnable>(10),
846	>	(ThreadFactory) null);
847		shouldThrow();
848	<	}
372	<	catch (NullPointerException success){}
848	>	} catch (NullPointerException success) {}
849		}
850	<
851	<
852	<	/** Throws if corePoolSize argument is less than zero */
850	>
851	>	/**
852	>	* Constructor throws if corePoolSize argument is less than zero
853	>	*/
854		public void testConstructor11() {
855		try {
856	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
856	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
857	>	new ArrayBlockingQueue<Runnable>(10),
858	>	new NoOpREHandler());
859		shouldThrow();
860	<	}
382	<	catch (IllegalArgumentException success){}
860	>	} catch (IllegalArgumentException success) {}
861		}
862
863	<	/** Throws if maximumPoolSize is less than zero */
863	>	/**
864	>	* Constructor throws if maximumPoolSize is less than zero
865	>	*/
866		public void testConstructor12() {
867		try {
868	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
868	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
869	>	new ArrayBlockingQueue<Runnable>(10),
870	>	new NoOpREHandler());
871		shouldThrow();
872	<	}
391	<	catch (IllegalArgumentException success){}
872	>	} catch (IllegalArgumentException success) {}
873		}
874
875	<	/** Throws if maximumPoolSize is equal to zero */
875	>	/**
876	>	* Constructor throws if maximumPoolSize is equal to zero
877	>	*/
878		public void testConstructor13() {
879		try {
880	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
880	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
881	>	new ArrayBlockingQueue<Runnable>(10),
882	>	new NoOpREHandler());
883		shouldThrow();
884	<	}
400	<	catch (IllegalArgumentException success){}
884	>	} catch (IllegalArgumentException success) {}
885		}
886
887	<	/** Throws if keepAliveTime is less than zero */
887	>	/**
888	>	* Constructor throws if keepAliveTime is less than zero
889	>	*/
890		public void testConstructor14() {
891		try {
892	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
892	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
893	>	new ArrayBlockingQueue<Runnable>(10),
894	>	new NoOpREHandler());
895		shouldThrow();
896	<	}
409	<	catch (IllegalArgumentException success){}
896	>	} catch (IllegalArgumentException success) {}
897		}
898
899	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
899	>	/**
900	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
901	>	*/
902		public void testConstructor15() {
903		try {
904	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
904	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
905	>	new ArrayBlockingQueue<Runnable>(10),
906	>	new NoOpREHandler());
907		shouldThrow();
908	<	}
418	<	catch (IllegalArgumentException success){}
908	>	} catch (IllegalArgumentException success) {}
909		}
910
911	<	/** Throws if workQueue is set to null */
912	<	public void testNullPointerException4() {
911	>	/**
912	>	* Constructor throws if workQueue is set to null
913	>	*/
914	>	public void testConstructorNullPointerException4() {
915		try {
916	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
916	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
917	>	(BlockingQueue) null,
918	>	new NoOpREHandler());
919		shouldThrow();
920	<	}
427	<	catch (NullPointerException success){}
920	>	} catch (NullPointerException success) {}
921		}
922
923	<	/** Throws if handler is set to null */
924	<	public void testNullPointerException5() {
923	>	/**
924	>	* Constructor throws if handler is set to null
925	>	*/
926	>	public void testConstructorNullPointerException5() {
927		try {
928	<	RejectedExecutionHandler r = null;
929	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
928	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
929	>	new ArrayBlockingQueue<Runnable>(10),
930	>	(RejectedExecutionHandler) null);
931		shouldThrow();
932	<	}
437	<	catch (NullPointerException success){}
932	>	} catch (NullPointerException success) {}
933		}
934
935	<
936	<	/** Throws if corePoolSize argument is less than zero */
935	>	/**
936	>	* Constructor throws if corePoolSize argument is less than zero
937	>	*/
938		public void testConstructor16() {
939		try {
940	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
940	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
941	>	new ArrayBlockingQueue<Runnable>(10),
942	>	new SimpleThreadFactory(),
943	>	new NoOpREHandler());
944		shouldThrow();
945	<	}
447	<	catch (IllegalArgumentException success){}
945	>	} catch (IllegalArgumentException success) {}
946		}
947
948	<	/** Throws if maximumPoolSize is less than zero */
948	>	/**
949	>	* Constructor throws if maximumPoolSize is less than zero
950	>	*/
951		public void testConstructor17() {
952		try {
953	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
953	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
954	>	new ArrayBlockingQueue<Runnable>(10),
955	>	new SimpleThreadFactory(),
956	>	new NoOpREHandler());
957		shouldThrow();
958	<	}
456	<	catch (IllegalArgumentException success){}
958	>	} catch (IllegalArgumentException success) {}
959		}
960
961	<	/** Throws if maximumPoolSize is equal to zero */
961	>	/**
962	>	* Constructor throws if maximumPoolSize is equal to zero
963	>	*/
964		public void testConstructor18() {
965		try {
966	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
966	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
967	>	new ArrayBlockingQueue<Runnable>(10),
968	>	new SimpleThreadFactory(),
969	>	new NoOpREHandler());
970		shouldThrow();
971	<	}
465	<	catch (IllegalArgumentException success){}
971	>	} catch (IllegalArgumentException success) {}
972		}
973
974	<	/** Throws if keepAliveTime is less than zero */
974	>	/**
975	>	* Constructor throws if keepAliveTime is less than zero
976	>	*/
977		public void testConstructor19() {
978		try {
979	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
979	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
980	>	new ArrayBlockingQueue<Runnable>(10),
981	>	new SimpleThreadFactory(),
982	>	new NoOpREHandler());
983		shouldThrow();
984	<	}
474	<	catch (IllegalArgumentException success){}
984	>	} catch (IllegalArgumentException success) {}
985		}
986
987	<	/** Throws if corePoolSize is greater than the maximumPoolSize */
987	>	/**
988	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
989	>	*/
990		public void testConstructor20() {
991		try {
992	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
992	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
993	>	new ArrayBlockingQueue<Runnable>(10),
994	>	new SimpleThreadFactory(),
995	>	new NoOpREHandler());
996		shouldThrow();
997	<	}
483	<	catch (IllegalArgumentException success){}
997	>	} catch (IllegalArgumentException success) {}
998		}
999
1000	<	/** Throws if workQueue is set to null */
1001	<	public void testNullPointerException6() {
1000	>	/**
1001	>	* Constructor throws if workQueue is null
1002	>	*/
1003	>	public void testConstructorNullPointerException6() {
1004		try {
1005	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1005	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1006	>	(BlockingQueue) null,
1007	>	new SimpleThreadFactory(),
1008	>	new NoOpREHandler());
1009		shouldThrow();
1010	<	}
492	<	catch (NullPointerException success){}
1010	>	} catch (NullPointerException success) {}
1011		}
1012
1013	<	/** Throws if handler is set to null */
1014	<	public void testNullPointerException7() {
1013	>	/**
1014	>	* Constructor throws if handler is null
1015	>	*/
1016	>	public void testConstructorNullPointerException7() {
1017		try {
1018	<	RejectedExecutionHandler r = null;
1019	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1018	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10),
1020	>	new SimpleThreadFactory(),
1021	>	(RejectedExecutionHandler) null);
1022		shouldThrow();
1023	<	}
502	<	catch (NullPointerException success){}
1023	>	} catch (NullPointerException success) {}
1024		}
1025
1026	<	/** Throws if ThreadFactory is set top null */
1027	<	public void testNullPointerException8() {
1026	>	/**
1027	>	* Constructor throws if ThreadFactory is null
1028	>	*/
1029	>	public void testConstructorNullPointerException8() {
1030		try {
1031	<	ThreadFactory f = null;
1032	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1031	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1032	>	new ArrayBlockingQueue<Runnable>(10),
1033	>	(ThreadFactory) null,
1034	>	new NoOpREHandler());
1035		shouldThrow();
1036	+	} catch (NullPointerException success) {}
1037	+	}
1038	+
1039	+	/**
1040	+	* get of submitted callable throws InterruptedException if interrupted
1041	+	*/
1042	+	public void testInterruptedSubmit() throws InterruptedException {
1043	+	final CountDownLatch done = new CountDownLatch(1);
1044	+	final ThreadPoolExecutor p =
1045	+	new ThreadPoolExecutor(1, 1,
1046	+	60, SECONDS,
1047	+	new ArrayBlockingQueue<Runnable>(10));
1048	+
1049	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1050	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1051	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1052	+	public void realRun() throws Exception {
1053	+	Callable task = new CheckedCallable<Boolean>() {
1054	+	public Boolean realCall() throws InterruptedException {
1055	+	threadStarted.countDown();
1056	+	await(done);
1057	+	return Boolean.TRUE;
1058	+	}};
1059	+	p.submit(task).get();
1060	+	}});
1061	+
1062	+	await(threadStarted); // ensure quiescence
1063	+	t.interrupt();
1064	+	awaitTermination(t);
1065		}
512	–	catch (NullPointerException successdn8){}
1066		}
514	–
1067
1068		/**
1069	<	*   execute will throw RejectedExcutionException
518	<	*  ThreadPoolExecutor will throw one when more runnables are
519	<	*  executed then will fit in the Queue.
1069	>	* Submitted tasks are rejected when saturated or shutdown
1070		*/
1071	<	public void testRejectedExecutionException() {
1072	<	ThreadPoolExecutor tpe = null;
1073	<	try {
1074	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1075	<	} catch(Exception e){}
1076	<	tpe.shutdown();
1077	<	try {
1078	<	tpe.execute(new NoOpRunnable());
1079	<	shouldThrow();
1080	<	} catch(RejectedExecutionException success){}
1081	<
1082	<	joinPool(tpe);
1071	>	public void testSubmittedTasksRejectedWhenSaturatedOrShutdown() throws InterruptedException {
1072	>	final ThreadPoolExecutor p = new ThreadPoolExecutor(
1073	>	1, 1, 1, SECONDS, new ArrayBlockingQueue<Runnable>(1));
1074	>	final int saturatedSize = saturatedSize(p);
1075	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
1076	>	final CountDownLatch threadsStarted = new CountDownLatch(p.getMaximumPoolSize());
1077	>	final CountDownLatch done = new CountDownLatch(1);
1078	>	final Runnable r = () -> {
1079	>	threadsStarted.countDown();
1080	>	for (;;) {
1081	>	try {
1082	>	done.await();
1083	>	return;
1084	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1085	>	}};
1086	>	final Callable<Boolean> c = () -> {
1087	>	threadsStarted.countDown();
1088	>	for (;;) {
1089	>	try {
1090	>	done.await();
1091	>	return Boolean.TRUE;
1092	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1093	>	}};
1094	>	final boolean shutdownNow = rnd.nextBoolean();
1095	>
1096	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1097	>	// saturate
1098	>	for (int i = saturatedSize; i--> 0; ) {
1099	>	switch (rnd.nextInt(4)) {
1100	>	case 0: p.execute(r); break;
1101	>	case 1: assertFalse(p.submit(r).isDone()); break;
1102	>	case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break;
1103	>	case 3: assertFalse(p.submit(c).isDone()); break;
1104	>	}
1105	>	}
1106	>
1107	>	await(threadsStarted);
1108	>	assertTaskSubmissionsAreRejected(p);
1109	>
1110	>	if (shutdownNow)
1111	>	p.shutdownNow();
1112	>	else
1113	>	p.shutdown();
1114	>	// Pool is shutdown, but not yet terminated
1115	>	assertTaskSubmissionsAreRejected(p);
1116	>	assertFalse(p.isTerminated());
1117	>
1118	>	done.countDown();   // release blocking tasks
1119	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
1120	>
1121	>	assertTaskSubmissionsAreRejected(p);
1122	>	}
1123	>	assertEquals(saturatedSize(p)
1124	>	- (shutdownNow ? p.getQueue().remainingCapacity() : 0),
1125	>	p.getCompletedTaskCount());
1126	>	}
1127	>
1128	>	/**
1129	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1130	>	*/
1131	>	public void testSaturatedExecute_DiscardOldestPolicy() {
1132	>	final CountDownLatch done = new CountDownLatch(1);
1133	>	LatchAwaiter r1 = awaiter(done);
1134	>	LatchAwaiter r2 = awaiter(done);
1135	>	LatchAwaiter r3 = awaiter(done);
1136	>	final ThreadPoolExecutor p =
1137	>	new ThreadPoolExecutor(1, 1,
1138	>	LONG_DELAY_MS, MILLISECONDS,
1139	>	new ArrayBlockingQueue<Runnable>(1),
1140	>	new DiscardOldestPolicy());
1141	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1142	>	assertEquals(LatchAwaiter.NEW, r1.state);
1143	>	assertEquals(LatchAwaiter.NEW, r2.state);
1144	>	assertEquals(LatchAwaiter.NEW, r3.state);
1145	>	p.execute(r1);
1146	>	p.execute(r2);
1147	>	assertTrue(p.getQueue().contains(r2));
1148	>	p.execute(r3);
1149	>	assertFalse(p.getQueue().contains(r2));
1150	>	assertTrue(p.getQueue().contains(r3));
1151	>	}
1152	>	assertEquals(LatchAwaiter.DONE, r1.state);
1153	>	assertEquals(LatchAwaiter.NEW, r2.state);
1154	>	assertEquals(LatchAwaiter.DONE, r3.state);
1155	>	}
1156	>
1157	>	/**
1158	>	* execute using DiscardOldestPolicy drops task on shutdown
1159	>	*/
1160	>	public void testDiscardOldestOnShutdown() {
1161	>	final ThreadPoolExecutor p =
1162	>	new ThreadPoolExecutor(1, 1,
1163	>	LONG_DELAY_MS, MILLISECONDS,
1164	>	new ArrayBlockingQueue<Runnable>(1),
1165	>	new DiscardOldestPolicy());
1166	>
1167	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1168	>	try (PoolCleaner cleaner = cleaner(p)) {
1169	>	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1170	>	p.execute(r);
1171	>	assertFalse(r.done);
1172	>	}
1173		}
1174	<
1174	>
1175	>	/**
1176	>	* Submitting null tasks throws NullPointerException
1177	>	*/
1178	>	public void testNullTaskSubmission() {
1179	>	final ThreadPoolExecutor p =
1180	>	new ThreadPoolExecutor(1, 2,
1181	>	1L, SECONDS,
1182	>	new ArrayBlockingQueue<Runnable>(10));
1183	>	try (PoolCleaner cleaner = cleaner(p)) {
1184	>	assertNullTaskSubmissionThrowsNullPointerException(p);
1185	>	}
1186	>	}
1187	>
1188		/**
1189	<	*   setCorePoolSize will throw IllegalArgumentException
537	<	*  when given a negative
1189	>	* setCorePoolSize of negative value throws IllegalArgumentException
1190		*/
1191		public void testCorePoolSizeIllegalArgumentException() {
1192	<	ThreadPoolExecutor tpe = null;
1193	<	try {
1194	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1195	<	} catch(Exception e){}
1196	<	try {
1197	<	tpe.setCorePoolSize(-1);
1198	<	shouldThrow();
1199	<	} catch(IllegalArgumentException success){
1200	<	} finally {
1201	<	tpe.shutdown();
1202	<	}
1203	<	joinPool(tpe);
1204	<	}
1205	<
1206	<
1207	<	/**
556	<	*   setMaximumPoolSize(int) will throw IllegalArgumentException
557	<	*  if given a value less the it's actual core pool size
558	<	*/
1192	>	final ThreadPoolExecutor p =
1193	>	new ThreadPoolExecutor(1, 2,
1194	>	LONG_DELAY_MS, MILLISECONDS,
1195	>	new ArrayBlockingQueue<Runnable>(10));
1196	>	try (PoolCleaner cleaner = cleaner(p)) {
1197	>	try {
1198	>	p.setCorePoolSize(-1);
1199	>	shouldThrow();
1200	>	} catch (IllegalArgumentException success) {}
1201	>	}
1202	>	}
1203	>
1204	>	/**
1205	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1206	>	* given a value less the core pool size
1207	>	*/
1208		public void testMaximumPoolSizeIllegalArgumentException() {
1209	<	ThreadPoolExecutor tpe = null;
1210	<	try {
1211	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1212	<	} catch(Exception e){}
1213	<	try {
1214	<	tpe.setMaximumPoolSize(1);
1215	<	shouldThrow();
1216	<	} catch(IllegalArgumentException success){
1217	<	} finally {
569	<	tpe.shutdown();
1209	>	final ThreadPoolExecutor p =
1210	>	new ThreadPoolExecutor(2, 3,
1211	>	LONG_DELAY_MS, MILLISECONDS,
1212	>	new ArrayBlockingQueue<Runnable>(10));
1213	>	try (PoolCleaner cleaner = cleaner(p)) {
1214	>	try {
1215	>	p.setMaximumPoolSize(1);
1216	>	shouldThrow();
1217	>	} catch (IllegalArgumentException success) {}
1218		}
571	–	joinPool(tpe);
1219		}
1220	<
1220	>
1221		/**
1222	<	*   setMaximumPoolSize will throw IllegalArgumentException
1223	<	*  if given a negative number
1222	>	* setMaximumPoolSize throws IllegalArgumentException
1223	>	* if given a negative value
1224		*/
1225		public void testMaximumPoolSizeIllegalArgumentException2() {
1226	<	ThreadPoolExecutor tpe = null;
1227	<	try {
1228	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1229	<	} catch(Exception e){}
1230	<	try {
1231	<	tpe.setMaximumPoolSize(-1);
1232	<	shouldThrow();
1233	<	} catch(IllegalArgumentException success){
1234	<	} finally {
588	<	tpe.shutdown();
1226	>	final ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(2, 3,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(10));
1230	>	try (PoolCleaner cleaner = cleaner(p)) {
1231	>	try {
1232	>	p.setMaximumPoolSize(-1);
1233	>	shouldThrow();
1234	>	} catch (IllegalArgumentException success) {}
1235		}
590	–	joinPool(tpe);
1236		}
592	–
1237
1238		/**
1239	<	*   setKeepAliveTime will throw IllegalArgumentException
1240	<	*  when given a negative value
1239	>	* Configuration changes that allow core pool size greater than
1240	>	* max pool size result in IllegalArgumentException.
1241	>	*/
1242	>	public void testPoolSizeInvariants() {
1243	>	final ThreadPoolExecutor p =
1244	>	new ThreadPoolExecutor(1, 1,
1245	>	LONG_DELAY_MS, MILLISECONDS,
1246	>	new ArrayBlockingQueue<Runnable>(10));
1247	>	try (PoolCleaner cleaner = cleaner(p)) {
1248	>	for (int s = 1; s < 5; s++) {
1249	>	p.setMaximumPoolSize(s);
1250	>	p.setCorePoolSize(s);
1251	>	try {
1252	>	p.setMaximumPoolSize(s - 1);
1253	>	shouldThrow();
1254	>	} catch (IllegalArgumentException success) {}
1255	>	assertEquals(s, p.getCorePoolSize());
1256	>	assertEquals(s, p.getMaximumPoolSize());
1257	>	try {
1258	>	p.setCorePoolSize(s + 1);
1259	>	shouldThrow();
1260	>	} catch (IllegalArgumentException success) {}
1261	>	assertEquals(s, p.getCorePoolSize());
1262	>	assertEquals(s, p.getMaximumPoolSize());
1263	>	}
1264	>	}
1265	>	}
1266	>
1267	>	/**
1268	>	* setKeepAliveTime throws IllegalArgumentException
1269	>	* when given a negative value
1270		*/
1271		public void testKeepAliveTimeIllegalArgumentException() {
1272	<	ThreadPoolExecutor tpe = null;
1273	<	try {
1274	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1275	<	} catch(Exception e){}
1276	<
1277	<	try {
1278	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1279	<	shouldThrow();
1280	<	} catch(IllegalArgumentException success){
1281	<	} finally {
1282	<	tpe.shutdown();
1272	>	final ThreadPoolExecutor p =
1273	>	new ThreadPoolExecutor(2, 3,
1274	>	LONG_DELAY_MS, MILLISECONDS,
1275	>	new ArrayBlockingQueue<Runnable>(10));
1276	>	try (PoolCleaner cleaner = cleaner(p)) {
1277	>	try {
1278	>	p.setKeepAliveTime(-1, MILLISECONDS);
1279	>	shouldThrow();
1280	>	} catch (IllegalArgumentException success) {}
1281	>	}
1282	>	}
1283	>
1284	>	/**
1285	>	* terminated() is called on termination
1286	>	*/
1287	>	public void testTerminated() {
1288	>	ExtendedTPE p = new ExtendedTPE();
1289	>	try (PoolCleaner cleaner = cleaner(p)) {
1290	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1291	>	assertTrue(p.terminatedCalled());
1292	>	assertTrue(p.isShutdown());
1293	>	}
1294	>	}
1295	>
1296	>	/**
1297	>	* beforeExecute and afterExecute are called when executing task
1298	>	*/
1299	>	public void testBeforeAfter() throws InterruptedException {
1300	>	ExtendedTPE p = new ExtendedTPE();
1301	>	try (PoolCleaner cleaner = cleaner(p)) {
1302	>	final CountDownLatch done = new CountDownLatch(1);
1303	>	p.execute(new CheckedRunnable() {
1304	>	public void realRun() {
1305	>	done.countDown();
1306	>	}});
1307	>	await(p.afterCalled);
1308	>	assertEquals(0, done.getCount());
1309	>	assertTrue(p.afterCalled());
1310	>	assertTrue(p.beforeCalled());
1311	>	}
1312	>	}
1313	>
1314	>	/**
1315	>	* completed submit of callable returns result
1316	>	*/
1317	>	public void testSubmitCallable() throws Exception {
1318	>	final ExecutorService e =
1319	>	new ThreadPoolExecutor(2, 2,
1320	>	LONG_DELAY_MS, MILLISECONDS,
1321	>	new ArrayBlockingQueue<Runnable>(10));
1322	>	try (PoolCleaner cleaner = cleaner(e)) {
1323	>	Future<String> future = e.submit(new StringTask());
1324	>	String result = future.get();
1325	>	assertSame(TEST_STRING, result);
1326	>	}
1327	>	}
1328	>
1329	>	/**
1330	>	* completed submit of runnable returns successfully
1331	>	*/
1332	>	public void testSubmitRunnable() throws Exception {
1333	>	final ExecutorService e =
1334	>	new ThreadPoolExecutor(2, 2,
1335	>	LONG_DELAY_MS, MILLISECONDS,
1336	>	new ArrayBlockingQueue<Runnable>(10));
1337	>	try (PoolCleaner cleaner = cleaner(e)) {
1338	>	Future<?> future = e.submit(new NoOpRunnable());
1339	>	future.get();
1340	>	assertTrue(future.isDone());
1341	>	}
1342	>	}
1343	>
1344	>	/**
1345	>	* completed submit of (runnable, result) returns result
1346	>	*/
1347	>	public void testSubmitRunnable2() throws Exception {
1348	>	final ExecutorService e =
1349	>	new ThreadPoolExecutor(2, 2,
1350	>	LONG_DELAY_MS, MILLISECONDS,
1351	>	new ArrayBlockingQueue<Runnable>(10));
1352	>	try (PoolCleaner cleaner = cleaner(e)) {
1353	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1354	>	String result = future.get();
1355	>	assertSame(TEST_STRING, result);
1356	>	}
1357	>	}
1358	>
1359	>	/**
1360	>	* invokeAny(null) throws NPE
1361	>	*/
1362	>	public void testInvokeAny1() throws Exception {
1363	>	final ExecutorService e =
1364	>	new ThreadPoolExecutor(2, 2,
1365	>	LONG_DELAY_MS, MILLISECONDS,
1366	>	new ArrayBlockingQueue<Runnable>(10));
1367	>	try (PoolCleaner cleaner = cleaner(e)) {
1368	>	try {
1369	>	e.invokeAny(null);
1370	>	shouldThrow();
1371	>	} catch (NullPointerException success) {}
1372	>	}
1373	>	}
1374	>
1375	>	/**
1376	>	* invokeAny(empty collection) throws IllegalArgumentException
1377	>	*/
1378	>	public void testInvokeAny2() throws Exception {
1379	>	final ExecutorService e =
1380	>	new ThreadPoolExecutor(2, 2,
1381	>	LONG_DELAY_MS, MILLISECONDS,
1382	>	new ArrayBlockingQueue<Runnable>(10));
1383	>	try (PoolCleaner cleaner = cleaner(e)) {
1384	>	try {
1385	>	e.invokeAny(new ArrayList<Callable<String>>());
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388	>	}
1389	>	}
1390	>
1391	>	/**
1392	>	* invokeAny(c) throws NPE if c has null elements
1393	>	*/
1394	>	public void testInvokeAny3() throws Exception {
1395	>	final CountDownLatch latch = new CountDownLatch(1);
1396	>	final ExecutorService e =
1397	>	new ThreadPoolExecutor(2, 2,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400	>	try (PoolCleaner cleaner = cleaner(e)) {
1401	>	List<Callable<String>> l = new ArrayList<>();
1402	>	l.add(latchAwaitingStringTask(latch));
1403	>	l.add(null);
1404	>	try {
1405	>	e.invokeAny(l);
1406	>	shouldThrow();
1407	>	} catch (NullPointerException success) {}
1408	>	latch.countDown();
1409	>	}
1410	>	}
1411	>
1412	>	/**
1413	>	* invokeAny(c) throws ExecutionException if no task completes
1414	>	*/
1415	>	public void testInvokeAny4() throws Exception {
1416	>	final ExecutorService e =
1417	>	new ThreadPoolExecutor(2, 2,
1418	>	LONG_DELAY_MS, MILLISECONDS,
1419	>	new ArrayBlockingQueue<Runnable>(10));
1420	>	try (PoolCleaner cleaner = cleaner(e)) {
1421	>	List<Callable<String>> l = new ArrayList<>();
1422	>	l.add(new NPETask());
1423	>	try {
1424	>	e.invokeAny(l);
1425	>	shouldThrow();
1426	>	} catch (ExecutionException success) {
1427	>	assertTrue(success.getCause() instanceof NullPointerException);
1428	>	}
1429	>	}
1430	>	}
1431	>
1432	>	/**
1433	>	* invokeAny(c) returns result of some task
1434	>	*/
1435	>	public void testInvokeAny5() throws Exception {
1436	>	final ExecutorService e =
1437	>	new ThreadPoolExecutor(2, 2,
1438	>	LONG_DELAY_MS, MILLISECONDS,
1439	>	new ArrayBlockingQueue<Runnable>(10));
1440	>	try (PoolCleaner cleaner = cleaner(e)) {
1441	>	List<Callable<String>> l = new ArrayList<>();
1442	>	l.add(new StringTask());
1443	>	l.add(new StringTask());
1444	>	String result = e.invokeAny(l);
1445	>	assertSame(TEST_STRING, result);
1446	>	}
1447	>	}
1448	>
1449	>	/**
1450	>	* invokeAll(null) throws NPE
1451	>	*/
1452	>	public void testInvokeAll1() throws Exception {
1453	>	final ExecutorService e =
1454	>	new ThreadPoolExecutor(2, 2,
1455	>	LONG_DELAY_MS, MILLISECONDS,
1456	>	new ArrayBlockingQueue<Runnable>(10));
1457	>	try (PoolCleaner cleaner = cleaner(e)) {
1458	>	try {
1459	>	e.invokeAll(null);
1460	>	shouldThrow();
1461	>	} catch (NullPointerException success) {}
1462	>	}
1463	>	}
1464	>
1465	>	/**
1466	>	* invokeAll(empty collection) returns empty list
1467	>	*/
1468	>	public void testInvokeAll2() throws InterruptedException {
1469	>	final ExecutorService e =
1470	>	new ThreadPoolExecutor(2, 2,
1471	>	LONG_DELAY_MS, MILLISECONDS,
1472	>	new ArrayBlockingQueue<Runnable>(10));
1473	>	final Collection<Callable<String>> emptyCollection
1474	>	= Collections.emptyList();
1475	>	try (PoolCleaner cleaner = cleaner(e)) {
1476	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1477	>	assertTrue(r.isEmpty());
1478	>	}
1479	>	}
1480	>
1481	>	/**
1482	>	* invokeAll(c) throws NPE if c has null elements
1483	>	*/
1484	>	public void testInvokeAll3() 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	>	List<Callable<String>> l = new ArrayList<>();
1491	>	l.add(new StringTask());
1492	>	l.add(null);
1493	>	try {
1494	>	e.invokeAll(l);
1495	>	shouldThrow();
1496	>	} catch (NullPointerException success) {}
1497	>	}
1498	>	}
1499	>
1500	>	/**
1501	>	* get of element of invokeAll(c) throws exception on failed task
1502	>	*/
1503	>	public void testInvokeAll4() throws Exception {
1504	>	final ExecutorService e =
1505	>	new ThreadPoolExecutor(2, 2,
1506	>	LONG_DELAY_MS, MILLISECONDS,
1507	>	new ArrayBlockingQueue<Runnable>(10));
1508	>	try (PoolCleaner cleaner = cleaner(e)) {
1509	>	List<Callable<String>> l = new ArrayList<>();
1510	>	l.add(new NPETask());
1511	>	List<Future<String>> futures = e.invokeAll(l);
1512	>	assertEquals(1, futures.size());
1513	>	try {
1514	>	futures.get(0).get();
1515	>	shouldThrow();
1516	>	} catch (ExecutionException success) {
1517	>	assertTrue(success.getCause() instanceof NullPointerException);
1518	>	}
1519	>	}
1520	>	}
1521	>
1522	>	/**
1523	>	* invokeAll(c) returns results of all completed tasks
1524	>	*/
1525	>	public void testInvokeAll5() throws Exception {
1526	>	final ExecutorService e =
1527	>	new ThreadPoolExecutor(2, 2,
1528	>	LONG_DELAY_MS, MILLISECONDS,
1529	>	new ArrayBlockingQueue<Runnable>(10));
1530	>	try (PoolCleaner cleaner = cleaner(e)) {
1531	>	List<Callable<String>> l = new ArrayList<>();
1532	>	l.add(new StringTask());
1533	>	l.add(new StringTask());
1534	>	List<Future<String>> futures = e.invokeAll(l);
1535	>	assertEquals(2, futures.size());
1536	>	for (Future<String> future : futures)
1537	>	assertSame(TEST_STRING, future.get());
1538	>	}
1539	>	}
1540	>
1541	>	/**
1542	>	* timed invokeAny(null) throws NPE
1543	>	*/
1544	>	public void testTimedInvokeAny1() throws Exception {
1545	>	final ExecutorService e =
1546	>	new ThreadPoolExecutor(2, 2,
1547	>	LONG_DELAY_MS, MILLISECONDS,
1548	>	new ArrayBlockingQueue<Runnable>(10));
1549	>	try (PoolCleaner cleaner = cleaner(e)) {
1550	>	try {
1551	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1552	>	shouldThrow();
1553	>	} catch (NullPointerException success) {}
1554	>	}
1555	>	}
1556	>
1557	>	/**
1558	>	* timed invokeAny(,,null) throws NPE
1559	>	*/
1560	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1561	>	final ExecutorService e =
1562	>	new ThreadPoolExecutor(2, 2,
1563	>	LONG_DELAY_MS, MILLISECONDS,
1564	>	new ArrayBlockingQueue<Runnable>(10));
1565	>	try (PoolCleaner cleaner = cleaner(e)) {
1566	>	List<Callable<String>> l = new ArrayList<>();
1567	>	l.add(new StringTask());
1568	>	try {
1569	>	e.invokeAny(l, randomTimeout(), null);
1570	>	shouldThrow();
1571	>	} catch (NullPointerException success) {}
1572	>	}
1573	>	}
1574	>
1575	>	/**
1576	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1577	>	*/
1578	>	public void testTimedInvokeAny2() throws Exception {
1579	>	final ExecutorService e =
1580	>	new ThreadPoolExecutor(2, 2,
1581	>	LONG_DELAY_MS, MILLISECONDS,
1582	>	new ArrayBlockingQueue<Runnable>(10));
1583	>	try (PoolCleaner cleaner = cleaner(e)) {
1584	>	try {
1585	>	e.invokeAny(new ArrayList<Callable<String>>(),
1586	>	randomTimeout(), randomTimeUnit());
1587	>	shouldThrow();
1588	>	} catch (IllegalArgumentException success) {}
1589	>	}
1590	>	}
1591	>
1592	>	/**
1593	>	* timed invokeAny(c) throws NullPointerException if c has null elements
1594	>	*/
1595	>	public void testTimedInvokeAny3() throws Exception {
1596	>	final CountDownLatch latch = new CountDownLatch(1);
1597	>	final ExecutorService e =
1598	>	new ThreadPoolExecutor(2, 2,
1599	>	LONG_DELAY_MS, MILLISECONDS,
1600	>	new ArrayBlockingQueue<Runnable>(10));
1601	>	try (PoolCleaner cleaner = cleaner(e)) {
1602	>	List<Callable<String>> l = new ArrayList<>();
1603	>	l.add(latchAwaitingStringTask(latch));
1604	>	l.add(null);
1605	>	try {
1606	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1607	>	shouldThrow();
1608	>	} catch (NullPointerException success) {}
1609	>	latch.countDown();
1610	>	}
1611	>	}
1612	>
1613	>	/**
1614	>	* timed invokeAny(c) throws ExecutionException if no task completes
1615	>	*/
1616	>	public void testTimedInvokeAny4() throws Exception {
1617	>	final ExecutorService e =
1618	>	new ThreadPoolExecutor(2, 2,
1619	>	LONG_DELAY_MS, MILLISECONDS,
1620	>	new ArrayBlockingQueue<Runnable>(10));
1621	>	try (PoolCleaner cleaner = cleaner(e)) {
1622	>	long startTime = System.nanoTime();
1623	>	List<Callable<String>> l = new ArrayList<>();
1624	>	l.add(new NPETask());
1625	>	try {
1626	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1627	>	shouldThrow();
1628	>	} catch (ExecutionException success) {
1629	>	assertTrue(success.getCause() instanceof NullPointerException);
1630	>	}
1631	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1632	>	}
1633	>	}
1634	>
1635	>	/**
1636	>	* timed invokeAny(c) returns result of some task
1637	>	*/
1638	>	public void testTimedInvokeAny5() throws Exception {
1639	>	final ExecutorService e =
1640	>	new ThreadPoolExecutor(2, 2,
1641	>	LONG_DELAY_MS, MILLISECONDS,
1642	>	new ArrayBlockingQueue<Runnable>(10));
1643	>	try (PoolCleaner cleaner = cleaner(e)) {
1644	>	long startTime = System.nanoTime();
1645	>	List<Callable<String>> l = new ArrayList<>();
1646	>	l.add(new StringTask());
1647	>	l.add(new StringTask());
1648	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1649	>	assertSame(TEST_STRING, result);
1650	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1651		}
611	–	joinPool(tpe);
1652		}
1653	<
1653	>
1654	>	/**
1655	>	* timed invokeAll(null) throws NPE
1656	>	*/
1657	>	public void testTimedInvokeAll1() throws Exception {
1658	>	final ExecutorService e =
1659	>	new ThreadPoolExecutor(2, 2,
1660	>	LONG_DELAY_MS, MILLISECONDS,
1661	>	new ArrayBlockingQueue<Runnable>(10));
1662	>	try (PoolCleaner cleaner = cleaner(e)) {
1663	>	try {
1664	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1665	>	shouldThrow();
1666	>	} catch (NullPointerException success) {}
1667	>	}
1668	>	}
1669	>
1670	>	/**
1671	>	* timed invokeAll(,,null) throws NPE
1672	>	*/
1673	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1674	>	final ExecutorService e =
1675	>	new ThreadPoolExecutor(2, 2,
1676	>	LONG_DELAY_MS, MILLISECONDS,
1677	>	new ArrayBlockingQueue<Runnable>(10));
1678	>	try (PoolCleaner cleaner = cleaner(e)) {
1679	>	List<Callable<String>> l = new ArrayList<>();
1680	>	l.add(new StringTask());
1681	>	try {
1682	>	e.invokeAll(l, randomTimeout(), null);
1683	>	shouldThrow();
1684	>	} catch (NullPointerException success) {}
1685	>	}
1686	>	}
1687	>
1688	>	/**
1689	>	* timed invokeAll(empty collection) returns empty list
1690	>	*/
1691	>	public void testTimedInvokeAll2() throws InterruptedException {
1692	>	final ExecutorService e =
1693	>	new ThreadPoolExecutor(2, 2,
1694	>	LONG_DELAY_MS, MILLISECONDS,
1695	>	new ArrayBlockingQueue<Runnable>(10));
1696	>	final Collection<Callable<String>> emptyCollection
1697	>	= Collections.emptyList();
1698	>	try (PoolCleaner cleaner = cleaner(e)) {
1699	>	List<Future<String>> r =
1700	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1701	>	assertTrue(r.isEmpty());
1702	>	}
1703	>	}
1704	>
1705	>	/**
1706	>	* timed invokeAll(c) throws NPE if c has null elements
1707	>	*/
1708	>	public void testTimedInvokeAll3() throws Exception {
1709	>	final ExecutorService e =
1710	>	new ThreadPoolExecutor(2, 2,
1711	>	LONG_DELAY_MS, MILLISECONDS,
1712	>	new ArrayBlockingQueue<Runnable>(10));
1713	>	try (PoolCleaner cleaner = cleaner(e)) {
1714	>	List<Callable<String>> l = new ArrayList<>();
1715	>	l.add(new StringTask());
1716	>	l.add(null);
1717	>	try {
1718	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1719	>	shouldThrow();
1720	>	} catch (NullPointerException success) {}
1721	>	}
1722	>	}
1723	>
1724	>	/**
1725	>	* get of element of invokeAll(c) throws exception on failed task
1726	>	*/
1727	>	public void testTimedInvokeAll4() throws Exception {
1728	>	final ExecutorService e =
1729	>	new ThreadPoolExecutor(2, 2,
1730	>	LONG_DELAY_MS, MILLISECONDS,
1731	>	new ArrayBlockingQueue<Runnable>(10));
1732	>	try (PoolCleaner cleaner = cleaner(e)) {
1733	>	List<Callable<String>> l = new ArrayList<>();
1734	>	l.add(new NPETask());
1735	>	List<Future<String>> futures =
1736	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1737	>	assertEquals(1, futures.size());
1738	>	try {
1739	>	futures.get(0).get();
1740	>	shouldThrow();
1741	>	} catch (ExecutionException success) {
1742	>	assertTrue(success.getCause() instanceof NullPointerException);
1743	>	}
1744	>	}
1745	>	}
1746	>
1747	>	/**
1748	>	* timed invokeAll(c) returns results of all completed tasks
1749	>	*/
1750	>	public void testTimedInvokeAll5() throws Exception {
1751	>	final ExecutorService e =
1752	>	new ThreadPoolExecutor(2, 2,
1753	>	LONG_DELAY_MS, MILLISECONDS,
1754	>	new ArrayBlockingQueue<Runnable>(10));
1755	>	try (PoolCleaner cleaner = cleaner(e)) {
1756	>	List<Callable<String>> l = new ArrayList<>();
1757	>	l.add(new StringTask());
1758	>	l.add(new StringTask());
1759	>	List<Future<String>> futures =
1760	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1761	>	assertEquals(2, futures.size());
1762	>	for (Future<String> future : futures)
1763	>	assertSame(TEST_STRING, future.get());
1764	>	}
1765	>	}
1766	>
1767	>	/**
1768	>	* timed invokeAll(c) cancels tasks not completed by timeout
1769	>	*/
1770	>	public void testTimedInvokeAll6() throws Exception {
1771	>	for (long timeout = timeoutMillis();;) {
1772	>	final CountDownLatch done = new CountDownLatch(1);
1773	>	final Callable<String> waiter = new CheckedCallable<String>() {
1774	>	public String realCall() {
1775	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1776	>	catch (InterruptedException ok) {}
1777	>	return "1"; }};
1778	>	final ExecutorService p =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1783	>	List<Callable<String>> tasks = new ArrayList<>();
1784	>	tasks.add(new StringTask("0"));
1785	>	tasks.add(waiter);
1786	>	tasks.add(new StringTask("2"));
1787	>	long startTime = System.nanoTime();
1788	>	List<Future<String>> futures =
1789	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1790	>	assertEquals(tasks.size(), futures.size());
1791	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1792	>	for (Future future : futures)
1793	>	assertTrue(future.isDone());
1794	>	assertTrue(futures.get(1).isCancelled());
1795	>	try {
1796	>	assertEquals("0", futures.get(0).get());
1797	>	assertEquals("2", futures.get(2).get());
1798	>	break;
1799	>	} catch (CancellationException retryWithLongerTimeout) {
1800	>	timeout *= 2;
1801	>	if (timeout >= LONG_DELAY_MS / 2)
1802	>	fail("expected exactly one task to be cancelled");
1803	>	}
1804	>	}
1805	>	}
1806	>	}
1807	>
1808	>	/**
1809	>	* Execution continues if there is at least one thread even if
1810	>	* thread factory fails to create more
1811	>	*/
1812	>	public void testFailingThreadFactory() throws InterruptedException {
1813	>	final ExecutorService e =
1814	>	new ThreadPoolExecutor(100, 100,
1815	>	LONG_DELAY_MS, MILLISECONDS,
1816	>	new LinkedBlockingQueue<Runnable>(),
1817	>	new FailingThreadFactory());
1818	>	try (PoolCleaner cleaner = cleaner(e)) {
1819	>	final int TASKS = 100;
1820	>	final CountDownLatch done = new CountDownLatch(TASKS);
1821	>	for (int k = 0; k < TASKS; ++k)
1822	>	e.execute(new CheckedRunnable() {
1823	>	public void realRun() {
1824	>	done.countDown();
1825	>	}});
1826	>	await(done);
1827	>	}
1828	>	}
1829	>
1830	>	/**
1831	>	* allowsCoreThreadTimeOut is by default false.
1832	>	*/
1833	>	public void testAllowsCoreThreadTimeOut() {
1834	>	final ThreadPoolExecutor p =
1835	>	new ThreadPoolExecutor(2, 2,
1836	>	1000, MILLISECONDS,
1837	>	new ArrayBlockingQueue<Runnable>(10));
1838	>	try (PoolCleaner cleaner = cleaner(p)) {
1839	>	assertFalse(p.allowsCoreThreadTimeOut());
1840	>	}
1841	>	}
1842	>
1843	>	/**
1844	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1845	>	*/
1846	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
1847	>	long keepAliveTime = timeoutMillis();
1848	>	final ThreadPoolExecutor p =
1849	>	new ThreadPoolExecutor(2, 10,
1850	>	keepAliveTime, MILLISECONDS,
1851	>	new ArrayBlockingQueue<Runnable>(10));
1852	>	try (PoolCleaner cleaner = cleaner(p)) {
1853	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1854	>	p.allowCoreThreadTimeOut(true);
1855	>	p.execute(new CheckedRunnable() {
1856	>	public void realRun() {
1857	>	threadStarted.countDown();
1858	>	assertEquals(1, p.getPoolSize());
1859	>	}});
1860	>	await(threadStarted);
1861	>	delay(keepAliveTime);
1862	>	long startTime = System.nanoTime();
1863	>	while (p.getPoolSize() > 0
1864	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
1865	>	Thread.yield();
1866	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1867	>	assertEquals(0, p.getPoolSize());
1868	>	}
1869	>	}
1870	>
1871	>	/**
1872	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
1873	>	*/
1874	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
1875	>	long keepAliveTime = timeoutMillis();
1876	>	final ThreadPoolExecutor p =
1877	>	new ThreadPoolExecutor(2, 10,
1878	>	keepAliveTime, MILLISECONDS,
1879	>	new ArrayBlockingQueue<Runnable>(10));
1880	>	try (PoolCleaner cleaner = cleaner(p)) {
1881	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1882	>	p.allowCoreThreadTimeOut(false);
1883	>	p.execute(new CheckedRunnable() {
1884	>	public void realRun() throws InterruptedException {
1885	>	threadStarted.countDown();
1886	>	assertTrue(p.getPoolSize() >= 1);
1887	>	}});
1888	>	delay(2 * keepAliveTime);
1889	>	assertTrue(p.getPoolSize() >= 1);
1890	>	}
1891	>	}
1892	>
1893	>	/**
1894	>	* execute allows the same task to be submitted multiple times, even
1895	>	* if rejected
1896	>	*/
1897	>	public void testRejectedRecycledTask() throws InterruptedException {
1898	>	final int nTasks = 1000;
1899	>	final CountDownLatch done = new CountDownLatch(nTasks);
1900	>	final Runnable recycledTask = new Runnable() {
1901	>	public void run() {
1902	>	done.countDown();
1903	>	}};
1904	>	final ThreadPoolExecutor p =
1905	>	new ThreadPoolExecutor(1, 30,
1906	>	60, SECONDS,
1907	>	new ArrayBlockingQueue(30));
1908	>	try (PoolCleaner cleaner = cleaner(p)) {
1909	>	for (int i = 0; i < nTasks; ++i) {
1910	>	for (;;) {
1911	>	try {
1912	>	p.execute(recycledTask);
1913	>	break;
1914	>	}
1915	>	catch (RejectedExecutionException ignore) {}
1916	>	}
1917	>	}
1918	>	// enough time to run all tasks
1919	>	await(done, nTasks * SHORT_DELAY_MS);
1920	>	}
1921	>	}
1922	>
1923	>	/**
1924	>	* get(cancelled task) throws CancellationException
1925	>	*/
1926	>	public void testGet_cancelled() throws Exception {
1927	>	final CountDownLatch done = new CountDownLatch(1);
1928	>	final ExecutorService e =
1929	>	new ThreadPoolExecutor(1, 1,
1930	>	LONG_DELAY_MS, MILLISECONDS,
1931	>	new LinkedBlockingQueue<Runnable>());
1932	>	try (PoolCleaner cleaner = cleaner(e, done)) {
1933	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
1934	>	final List<Future<?>> futures = new ArrayList<>();
1935	>	for (int i = 0; i < 2; i++) {
1936	>	Runnable r = new CheckedRunnable() { public void realRun()
1937	>	throws Throwable {
1938	>	blockerStarted.countDown();
1939	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
1940	>	}};
1941	>	futures.add(e.submit(r));
1942	>	}
1943	>	await(blockerStarted);
1944	>	for (Future<?> future : futures) future.cancel(false);
1945	>	for (Future<?> future : futures) {
1946	>	try {
1947	>	future.get();
1948	>	shouldThrow();
1949	>	} catch (CancellationException success) {}
1950	>	try {
1951	>	future.get(LONG_DELAY_MS, MILLISECONDS);
1952	>	shouldThrow();
1953	>	} catch (CancellationException success) {}
1954	>	assertTrue(future.isCancelled());
1955	>	assertTrue(future.isDone());
1956	>	}
1957	>	}
1958	>	}
1959	>
1960	>	/** Directly test simple ThreadPoolExecutor RejectedExecutionHandlers. */
1961	>	public void testStandardRejectedExecutionHandlers() {
1962	>	final ThreadPoolExecutor p =
1963	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
1964	>	new ArrayBlockingQueue<Runnable>(1));
1965	>	final AtomicReference<Thread> thread = new AtomicReference<>();
1966	>	final Runnable r = new Runnable() { public void run() {
1967	>	thread.set(Thread.currentThread()); }};
1968	>
1969	>	try {
1970	>	new AbortPolicy().rejectedExecution(r, p);
1971	>	shouldThrow();
1972	>	} catch (RejectedExecutionException success) {}
1973	>	assertNull(thread.get());
1974	>
1975	>	new DiscardPolicy().rejectedExecution(r, p);
1976	>	assertNull(thread.get());
1977	>
1978	>	new CallerRunsPolicy().rejectedExecution(r, p);
1979	>	assertSame(Thread.currentThread(), thread.get());
1980	>
1981	>	// check that pool was not perturbed by handlers
1982	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
1983	>	assertEquals(0, p.getTaskCount());
1984	>	assertTrue(p.getQueue().isEmpty());
1985	>	}
1986	>
1987	>	public void testThreadFactoryReturnsTerminatedThread_shouldThrow() {
1988	>	if (!testImplementationDetails)
1989	>	return;
1990	>
1991	>	ThreadFactory returnsTerminatedThread = runnableIgnored -> {
1992	>	Thread thread = new Thread(() -> {});
1993	>	thread.start();
1994	>	try { thread.join(); }
1995	>	catch (InterruptedException ex) { throw new Error(ex); }
1996	>	return thread;
1997	>	};
1998	>	ThreadPoolExecutor p =
1999	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
2000	>	new ArrayBlockingQueue<Runnable>(1),
2001	>	returnsTerminatedThread);
2002	>	try (PoolCleaner cleaner = cleaner(p)) {
2003	>	assertThrows(IllegalThreadStateException.class,
2004	>	() -> p.execute(() -> {}));
2005	>	}
2006	>	}
2007	>
2008	>	public void testThreadFactoryReturnsStartedThread_shouldThrow() {
2009	>	if (!testImplementationDetails)
2010	>	return;
2011	>
2012	>	CountDownLatch latch = new CountDownLatch(1);
2013	>	Runnable awaitLatch = () -> {
2014	>	try { latch.await(); }
2015	>	catch (InterruptedException ex) { throw new Error(ex); }};
2016	>	ThreadFactory returnsStartedThread = runnable -> {
2017	>	Thread thread = new Thread(awaitLatch);
2018	>	thread.start();
2019	>	return thread;
2020	>	};
2021	>	ThreadPoolExecutor p =
2022	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
2023	>	new ArrayBlockingQueue<Runnable>(1),
2024	>	returnsStartedThread);
2025	>	try (PoolCleaner cleaner = cleaner(p)) {
2026	>	assertThrows(IllegalThreadStateException.class,
2027	>	() -> p.execute(() -> {}));
2028	>	latch.countDown();
2029	>	}
2030	>	}
2031	>
2032		}

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