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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.8 by dl, Sun Oct 5 23:00:40 2003 UTC vs.
Revision 1.77 by jsr166, Sun Oct 4 02:07:32 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import java.util.concurrent.*;
10	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14		import java.util.List;
15	+	import java.util.concurrent.ArrayBlockingQueue;
16	+	import java.util.concurrent.BlockingQueue;
17	+	import java.util.concurrent.Callable;
18	+	import java.util.concurrent.CancellationException;
19	+	import java.util.concurrent.CountDownLatch;
20	+	import java.util.concurrent.ExecutionException;
21	+	import java.util.concurrent.Executors;
22	+	import java.util.concurrent.ExecutorService;
23	+	import java.util.concurrent.Future;
24	+	import java.util.concurrent.FutureTask;
25	+	import java.util.concurrent.LinkedBlockingQueue;
26	+	import java.util.concurrent.RejectedExecutionException;
27	+	import java.util.concurrent.RejectedExecutionHandler;
28	+	import java.util.concurrent.SynchronousQueue;
29	+	import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadPoolExecutor;
31	+	import java.util.concurrent.TimeUnit;
32	+	import java.util.concurrent.atomic.AtomicInteger;
33	+
34	+	import junit.framework.Test;
35	+	import junit.framework.TestSuite;
36
37		public class ThreadPoolExecutorTest extends JSR166TestCase {
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run (suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(ThreadPoolExecutorTest.class);
43		}
44	<
44	>
45		static class ExtendedTPE extends ThreadPoolExecutor {
46	<	volatile boolean beforeCalled = false;
47	<	volatile boolean afterCalled = false;
48	<	volatile boolean terminatedCalled = false;
46	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50		public ExtendedTPE() {
51	<	super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>());
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52		}
53		protected void beforeExecute(Thread t, Runnable r) {
54	<	beforeCalled = true;
54	>	beforeCalled.countDown();
55		}
56		protected void afterExecute(Runnable r, Throwable t) {
57	<	afterCalled = true;
57	>	afterCalled.countDown();
58		}
59		protected void terminated() {
60	<	terminatedCalled = true;
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79		}
80		}
81
82		/**
83	<	*  execute successfully executes a runnable
83	>	* execute successfully executes a runnable
84		*/
85	<	public void testExecute() {
86	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() {
93	>	done.countDown();
94	>	}};
95		try {
96	<	p1.execute(new Runnable() {
97	<	public void run() {
98	<	try {
99	<	Thread.sleep(SHORT_DELAY_MS);
100	<	} catch(InterruptedException e){
49	<	threadUnexpectedException();
50	<	}
51	<	}
52	<	});
53	<	Thread.sleep(SMALL_DELAY_MS);
54	<	} catch(InterruptedException e){
55	<	unexpectedException();
56	<	}
57	<	joinPool(p1);
96	>	p.execute(task);
97	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98	>	} finally {
99	>	joinPool(p);
100	>	}
101		}
102
103		/**
104	<	*  getActiveCount increases but doesn't overestimate, when a
105	<	*  thread becomes active
104	>	* getActiveCount increases but doesn't overestimate, when a
105	>	* thread becomes active
106		*/
107	<	public void testGetActiveCount() {
108	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
109	<	assertEquals(0, p2.getActiveCount());
110	<	p2.execute(new MediumRunnable());
111	<	try {
112	<	Thread.sleep(SHORT_DELAY_MS);
113	<	} catch(Exception e){
114	<	unexpectedException();
107	>	public void testGetActiveCount() throws InterruptedException {
108	>	final ThreadPoolExecutor p =
109	>	new ThreadPoolExecutor(2, 2,
110	>	LONG_DELAY_MS, MILLISECONDS,
111	>	new ArrayBlockingQueue<Runnable>(10));
112	>	final CountDownLatch threadStarted = new CountDownLatch(1);
113	>	final CountDownLatch done = new CountDownLatch(1);
114	>	try {
115	>	assertEquals(0, p.getActiveCount());
116	>	p.execute(new CheckedRunnable() {
117	>	public void realRun() throws InterruptedException {
118	>	threadStarted.countDown();
119	>	assertEquals(1, p.getActiveCount());
120	>	done.await();
121	>	}});
122	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123	>	assertEquals(1, p.getActiveCount());
124	>	} finally {
125	>	done.countDown();
126	>	joinPool(p);
127		}
73	–	assertEquals(1, p2.getActiveCount());
74	–	joinPool(p2);
128		}
129
130		/**
131	<	*  prestartCoreThread starts a thread if under corePoolSize, else doesn't
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133		public void testPrestartCoreThread() {
134	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	assertEquals(0, p2.getPoolSize());
136	<	assertTrue(p2.prestartCoreThread());
137	<	assertEquals(1, p2.getPoolSize());
138	<	assertTrue(p2.prestartCoreThread());
139	<	assertEquals(2, p2.getPoolSize());
140	<	assertFalse(p2.prestartCoreThread());
141	<	assertEquals(2, p2.getPoolSize());
142	<	joinPool(p2);
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153	>	}
154		}
155
156		/**
157	<	*  prestartAllCoreThreads starts all corePoolSize threads
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158		*/
159		public void testPrestartAllCoreThreads() {
160	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161	<	assertEquals(0, p2.getPoolSize());
162	<	p2.prestartAllCoreThreads();
163	<	assertEquals(2, p2.getPoolSize());
164	<	p2.prestartAllCoreThreads();
165	<	assertEquals(2, p2.getPoolSize());
166	<	joinPool(p2);
167	<	}
168	<
169	<	/**
170	<	*   getCompletedTaskCount increases, but doesn't overestimate,
171	<	*   when tasks complete
172	<	*/
173	<	public void testGetCompletedTaskCount() {
174	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
175	<	assertEquals(0, p2.getCompletedTaskCount());
112	<	p2.execute(new ShortRunnable());
113	<	try {
114	<	Thread.sleep(SMALL_DELAY_MS);
115	<	} catch(Exception e){
116	<	unexpectedException();
117	<	}
118	<	assertEquals(1, p2.getCompletedTaskCount());
119	<	p2.shutdown();
120	<	joinPool(p2);
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175	>	}
176		}
177	<
177	>
178		/**
179	<	*   getCorePoolSize returns size given in constructor if not otherwise set
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181	>	*/
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210	>	}
211	>
212	>	/**
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214		*/
215		public void testGetCorePoolSize() {
216	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217	<	assertEquals(1, p1.getCorePoolSize());
218	<	joinPool(p1);
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222	>	}
223		}
224	<
224	>
225		/**
226	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228		public void testGetKeepAliveTime() {
229	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
231	<	joinPool(p2);
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
235	>	}
236		}
237
238	<
142	<	/**
238	>	/**
239		* getThreadFactory returns factory in constructor if not set
240		*/
241		public void testGetThreadFactory() {
242	<	ThreadFactory tf = new SimpleThreadFactory();
243	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
244	<	assertSame(tf, p.getThreadFactory());
245	<	p.shutdown();
246	<	joinPool(p);
242	>	ThreadFactory threadFactory = new SimpleThreadFactory();
243	>	final ThreadPoolExecutor p =
244	>	new ThreadPoolExecutor(1, 2,
245	>	LONG_DELAY_MS, MILLISECONDS,
246	>	new ArrayBlockingQueue<Runnable>(10),
247	>	threadFactory,
248	>	new NoOpREHandler());
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	assertSame(threadFactory, p.getThreadFactory());
251	>	}
252		}
253
254	<	/**
254	>	/**
255		* setThreadFactory sets the thread factory returned by getThreadFactory
256		*/
257		public void testSetThreadFactory() {
258	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259	<	ThreadFactory tf = new SimpleThreadFactory();
260	<	p.setThreadFactory(tf);
261	<	assertSame(tf, p.getThreadFactory());
262	<	p.shutdown();
263	<	joinPool(p);
258	>	final ThreadPoolExecutor p =
259	>	new ThreadPoolExecutor(1, 2,
260	>	LONG_DELAY_MS, MILLISECONDS,
261	>	new ArrayBlockingQueue<Runnable>(10));
262	>	try (PoolCleaner cleaner = cleaner(p)) {
263	>	ThreadFactory threadFactory = new SimpleThreadFactory();
264	>	p.setThreadFactory(threadFactory);
265	>	assertSame(threadFactory, p.getThreadFactory());
266	>	}
267		}
268
269	<
166	<	/**
269	>	/**
270		* setThreadFactory(null) throws NPE
271		*/
272		public void testSetThreadFactoryNull() {
273	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
274	<	try {
275	<	p.setThreadFactory(null);
276	<	shouldThrow();
277	<	} catch (NullPointerException success) {
278	<	} finally {
279	<	joinPool(p);
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10));
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.setThreadFactory(null);
280	>	shouldThrow();
281	>	} catch (NullPointerException success) {}
282		}
283		}
284
180	–
285		/**
286	<	*   getLargestPoolSize increases, but doesn't overestimate, when
183	<	*   multiple threads active
286	>	* getRejectedExecutionHandler returns handler in constructor if not set
287		*/
288	<	public void testGetLargestPoolSize() {
289	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
290	<	try {
291	<	assertEquals(0, p2.getLargestPoolSize());
292	<	p2.execute(new MediumRunnable());
293	<	p2.execute(new MediumRunnable());
294	<	Thread.sleep(SHORT_DELAY_MS);
295	<	assertEquals(2, p2.getLargestPoolSize());
296	<	} catch(Exception e){
297	<	unexpectedException();
195	<	}
196	<	joinPool(p2);
288	>	public void testGetRejectedExecutionHandler() {
289	>	final RejectedExecutionHandler handler = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	handler);
295	>	try (PoolCleaner cleaner = cleaner(p)) {
296	>	assertSame(handler, p.getRejectedExecutionHandler());
297	>	}
298		}
299	<
299	>
300		/**
301	<	*   getMaximumPoolSize returns value given in constructor if not
302	<	*   otherwise set
301	>	* setRejectedExecutionHandler sets the handler returned by
302	>	* getRejectedExecutionHandler
303		*/
304	<	public void testGetMaximumPoolSize() {
305	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
306	<	assertEquals(2, p2.getMaximumPoolSize());
307	<	joinPool(p2);
304	>	public void testSetRejectedExecutionHandler() {
305	>	final ThreadPoolExecutor p =
306	>	new ThreadPoolExecutor(1, 2,
307	>	LONG_DELAY_MS, MILLISECONDS,
308	>	new ArrayBlockingQueue<Runnable>(10));
309	>	try (PoolCleaner cleaner = cleaner(p)) {
310	>	RejectedExecutionHandler handler = new NoOpREHandler();
311	>	p.setRejectedExecutionHandler(handler);
312	>	assertSame(handler, p.getRejectedExecutionHandler());
313	>	}
314		}
315	<
315	>
316		/**
317	<	*   getPoolSize increases, but doesn't overestimate, when threads
211	<	*   become active
317	>	* setRejectedExecutionHandler(null) throws NPE
318		*/
319	<	public void testGetPoolSize() {
320	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
321	<	assertEquals(0, p1.getPoolSize());
322	<	p1.execute(new MediumRunnable());
323	<	assertEquals(1, p1.getPoolSize());
324	<	joinPool(p1);
319	>	public void testSetRejectedExecutionHandlerNull() {
320	>	final ThreadPoolExecutor p =
321	>	new ThreadPoolExecutor(1, 2,
322	>	LONG_DELAY_MS, MILLISECONDS,
323	>	new ArrayBlockingQueue<Runnable>(10));
324	>	try (PoolCleaner cleaner = cleaner(p)) {
325	>	try {
326	>	p.setRejectedExecutionHandler(null);
327	>	shouldThrow();
328	>	} catch (NullPointerException success) {}
329	>	}
330		}
331	<
331	>
332		/**
333	<	*  getTaskCount increases, but doesn't overestimate, when tasks submitted
333	>	* getLargestPoolSize increases, but doesn't overestimate, when
334	>	* multiple threads active
335		*/
336	<	public void testGetTaskCount() {
337	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
338	<	try {
339	<	assertEquals(0, p1.getTaskCount());
340	<	p1.execute(new MediumRunnable());
341	<	Thread.sleep(SHORT_DELAY_MS);
342	<	assertEquals(1, p1.getTaskCount());
343	<	} catch(Exception e){
344	<	unexpectedException();
345	<	}
346	<	joinPool(p1);
336	>	public void testGetLargestPoolSize() throws InterruptedException {
337	>	final int THREADS = 3;
338	>	final ThreadPoolExecutor p =
339	>	new ThreadPoolExecutor(THREADS, THREADS,
340	>	LONG_DELAY_MS, MILLISECONDS,
341	>	new ArrayBlockingQueue<Runnable>(10));
342	>	try (PoolCleaner cleaner = cleaner(p)) {
343	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
344	>	final CountDownLatch done = new CountDownLatch(1);
345	>	assertEquals(0, p.getLargestPoolSize());
346	>	for (int i = 0; i < THREADS; i++)
347	>	p.execute(new CheckedRunnable() {
348	>	public void realRun() throws InterruptedException {
349	>	threadsStarted.countDown();
350	>	done.await();
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352	>	}});
353	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
354	>	assertEquals(THREADS, p.getLargestPoolSize());
355	>	done.countDown();   // release pool
356	>	}
357	>	assertEquals(THREADS, p.getLargestPoolSize());
358		}
359	<
359	>
360		/**
361	<	*   isShutDown is false before shutdown, true after
361	>	* getMaximumPoolSize returns value given in constructor if not
362	>	* otherwise set
363	>	*/
364	>	public void testGetMaximumPoolSize() {
365	>	final ThreadPoolExecutor p =
366	>	new ThreadPoolExecutor(2, 3,
367	>	LONG_DELAY_MS, MILLISECONDS,
368	>	new ArrayBlockingQueue<Runnable>(10));
369	>	try (PoolCleaner cleaner = cleaner(p)) {
370	>	assertEquals(3, p.getMaximumPoolSize());
371	>	p.setMaximumPoolSize(5);
372	>	assertEquals(5, p.getMaximumPoolSize());
373	>	p.setMaximumPoolSize(4);
374	>	assertEquals(4, p.getMaximumPoolSize());
375	>	}
376	>	}
377	>
378	>	/**
379	>	* getPoolSize increases, but doesn't overestimate, when threads
380	>	* become active
381	>	*/
382	>	public void testGetPoolSize() throws InterruptedException {
383	>	final ThreadPoolExecutor p =
384	>	new ThreadPoolExecutor(1, 1,
385	>	LONG_DELAY_MS, MILLISECONDS,
386	>	new ArrayBlockingQueue<Runnable>(10));
387	>	final CountDownLatch threadStarted = new CountDownLatch(1);
388	>	final CountDownLatch done = new CountDownLatch(1);
389	>	try {
390	>	assertEquals(0, p.getPoolSize());
391	>	p.execute(new CheckedRunnable() {
392	>	public void realRun() throws InterruptedException {
393	>	threadStarted.countDown();
394	>	assertEquals(1, p.getPoolSize());
395	>	done.await();
396	>	}});
397	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
398	>	assertEquals(1, p.getPoolSize());
399	>	} finally {
400	>	done.countDown();
401	>	joinPool(p);
402	>	}
403	>	}
404	>
405	>	/**
406	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
407	>	*/
408	>	public void testGetTaskCount() throws InterruptedException {
409	>	final ThreadPoolExecutor p =
410	>	new ThreadPoolExecutor(1, 1,
411	>	LONG_DELAY_MS, MILLISECONDS,
412	>	new ArrayBlockingQueue<Runnable>(10));
413	>	final CountDownLatch threadStarted = new CountDownLatch(1);
414	>	final CountDownLatch done = new CountDownLatch(1);
415	>	try {
416	>	assertEquals(0, p.getTaskCount());
417	>	p.execute(new CheckedRunnable() {
418	>	public void realRun() throws InterruptedException {
419	>	threadStarted.countDown();
420	>	assertEquals(1, p.getTaskCount());
421	>	done.await();
422	>	}});
423	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
424	>	assertEquals(1, p.getTaskCount());
425	>	} finally {
426	>	done.countDown();
427	>	joinPool(p);
428	>	}
429	>	}
430	>
431	>	/**
432	>	* isShutdown is false before shutdown, true after
433		*/
434		public void testIsShutdown() {
435	<
436	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
437	<	assertFalse(p1.isShutdown());
438	<	p1.shutdown();
439	<	assertTrue(p1.isShutdown());
440	<	joinPool(p1);
435	>	final ThreadPoolExecutor p =
436	>	new ThreadPoolExecutor(1, 1,
437	>	LONG_DELAY_MS, MILLISECONDS,
438	>	new ArrayBlockingQueue<Runnable>(10));
439	>	assertFalse(p.isShutdown());
440	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
441	>	assertTrue(p.isShutdown());
442	>	joinPool(p);
443		}
444
249	–
445		/**
446	<	*  isTerminated is false before termination, true after
446	>	* awaitTermination on a non-shutdown pool times out
447		*/
448	<	public void testIsTerminated() {
449	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
450	<	assertFalse(p1.isTerminated());
451	<	try {
452	<	p1.execute(new MediumRunnable());
448	>	public void testAwaitTermination_timesOut() throws InterruptedException {
449	>	final ThreadPoolExecutor p =
450	>	new ThreadPoolExecutor(1, 1,
451	>	LONG_DELAY_MS, MILLISECONDS,
452	>	new ArrayBlockingQueue<Runnable>(10));
453	>	assertFalse(p.isTerminated());
454	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
455	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
456	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
457	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
458	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
459	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
460	>	long timeoutNanos = 999999L;
461	>	long startTime = System.nanoTime();
462	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
463	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
464	>	assertFalse(p.isTerminated());
465	>	startTime = System.nanoTime();
466	>	long timeoutMillis = timeoutMillis();
467	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
468	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
469	>	assertFalse(p.isTerminated());
470	>	p.shutdown();
471	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
472	>	assertTrue(p.isTerminated());
473	>	}
474	>
475	>	/**
476	>	* isTerminated is false before termination, true after
477	>	*/
478	>	public void testIsTerminated() throws InterruptedException {
479	>	final ThreadPoolExecutor p =
480	>	new ThreadPoolExecutor(1, 1,
481	>	LONG_DELAY_MS, MILLISECONDS,
482	>	new ArrayBlockingQueue<Runnable>(10));
483	>	final CountDownLatch threadStarted = new CountDownLatch(1);
484	>	final CountDownLatch done = new CountDownLatch(1);
485	>	assertFalse(p.isTerminated());
486	>	try {
487	>	p.execute(new CheckedRunnable() {
488	>	public void realRun() throws InterruptedException {
489	>	assertFalse(p.isTerminated());
490	>	threadStarted.countDown();
491	>	done.await();
492	>	}});
493	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
494	>	assertFalse(p.isTerminating());
495	>	done.countDown();
496		} finally {
497	<	p1.shutdown();
497	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
498		}
499	<	try {
500	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
263	<	assertTrue(p1.isTerminated());
264	<	} catch(Exception e){
265	<	unexpectedException();
266	<	}
499	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
500	>	assertTrue(p.isTerminated());
501		}
502
503		/**
504	<	*  isTerminating is not true when running or when terminated
504	>	* isTerminating is not true when running or when terminated
505		*/
506	<	public void testIsTerminating() {
507	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
508	<	assertFalse(p1.isTerminating());
509	<	try {
510	<	p1.execute(new SmallRunnable());
511	<	assertFalse(p1.isTerminating());
506	>	public void testIsTerminating() throws InterruptedException {
507	>	final ThreadPoolExecutor p =
508	>	new ThreadPoolExecutor(1, 1,
509	>	LONG_DELAY_MS, MILLISECONDS,
510	>	new ArrayBlockingQueue<Runnable>(10));
511	>	final CountDownLatch threadStarted = new CountDownLatch(1);
512	>	final CountDownLatch done = new CountDownLatch(1);
513	>	try {
514	>	assertFalse(p.isTerminating());
515	>	p.execute(new CheckedRunnable() {
516	>	public void realRun() throws InterruptedException {
517	>	assertFalse(p.isTerminating());
518	>	threadStarted.countDown();
519	>	done.await();
520	>	}});
521	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
522	>	assertFalse(p.isTerminating());
523	>	done.countDown();
524		} finally {
525	<	p1.shutdown();
525	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
526		}
527	<	try {
528	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
529	<	assertTrue(p1.isTerminated());
284	<	assertFalse(p1.isTerminating());
285	<	} catch(Exception e){
286	<	unexpectedException();
287	<	}
527	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
528	>	assertTrue(p.isTerminated());
529	>	assertFalse(p.isTerminating());
530		}
531
532		/**
533		* getQueue returns the work queue, which contains queued tasks
534		*/
535	<	public void testGetQueue() {
536	<	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
537	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
538	<	CancellableTask[] tasks = new CancellableTask[5];
539	<	for(int i = 0; i < 5; i++){
540	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
541	<	p1.execute(tasks[i]);
542	<	}
543	<	try {
544	<	Thread.sleep(SHORT_DELAY_MS);
545	<	BlockingQueue<Runnable> wq = p1.getQueue();
546	<	assertSame(q, wq);
547	<	assertFalse(wq.contains(tasks[0]));
548	<	assertTrue(wq.contains(tasks[4]));
549	<	p1.shutdownNow();
550	<	} catch(Exception e) {
551	<	unexpectedException();
535	>	public void testGetQueue() throws InterruptedException {
536	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
537	>	final ThreadPoolExecutor p =
538	>	new ThreadPoolExecutor(1, 1,
539	>	LONG_DELAY_MS, MILLISECONDS,
540	>	q);
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543	>	try {
544	>	FutureTask[] tasks = new FutureTask[5];
545	>	for (int i = 0; i < tasks.length; i++) {
546	>	Callable task = new CheckedCallable<Boolean>() {
547	>	public Boolean realCall() throws InterruptedException {
548	>	threadStarted.countDown();
549	>	assertSame(q, p.getQueue());
550	>	done.await();
551	>	return Boolean.TRUE;
552	>	}};
553	>	tasks[i] = new FutureTask(task);
554	>	p.execute(tasks[i]);
555	>	}
556	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
557	>	assertSame(q, p.getQueue());
558	>	assertFalse(q.contains(tasks[0]));
559	>	assertTrue(q.contains(tasks[tasks.length - 1]));
560	>	assertEquals(tasks.length - 1, q.size());
561		} finally {
562	<	joinPool(p1);
562	>	done.countDown();
563	>	joinPool(p);
564		}
565		}
566
567		/**
568		* remove(task) removes queued task, and fails to remove active task
569		*/
570	<	public void testRemove() {
570	>	public void testRemove() throws InterruptedException {
571		BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
572	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
573	<	CancellableTask[] tasks = new CancellableTask[5];
574	<	for(int i = 0; i < 5; i++){
575	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
576	<	p1.execute(tasks[i]);
577	<	}
578	<	try {
579	<	Thread.sleep(SHORT_DELAY_MS);
580	<	assertFalse(p1.remove(tasks[0]));
572	>	final ThreadPoolExecutor p =
573	>	new ThreadPoolExecutor(1, 1,
574	>	LONG_DELAY_MS, MILLISECONDS,
575	>	q);
576	>	Runnable[] tasks = new Runnable[5];
577	>	final CountDownLatch threadStarted = new CountDownLatch(1);
578	>	final CountDownLatch done = new CountDownLatch(1);
579	>	try {
580	>	for (int i = 0; i < tasks.length; i++) {
581	>	tasks[i] = new CheckedRunnable() {
582	>	public void realRun() throws InterruptedException {
583	>	threadStarted.countDown();
584	>	done.await();
585	>	}};
586	>	p.execute(tasks[i]);
587	>	}
588	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
589	>	assertFalse(p.remove(tasks[0]));
590		assertTrue(q.contains(tasks[4]));
591		assertTrue(q.contains(tasks[3]));
592	<	assertTrue(p1.remove(tasks[4]));
593	<	assertFalse(p1.remove(tasks[4]));
592	>	assertTrue(p.remove(tasks[4]));
593	>	assertFalse(p.remove(tasks[4]));
594		assertFalse(q.contains(tasks[4]));
595		assertTrue(q.contains(tasks[3]));
596	<	assertTrue(p1.remove(tasks[3]));
596	>	assertTrue(p.remove(tasks[3]));
597		assertFalse(q.contains(tasks[3]));
337	–	p1.shutdownNow();
338	–	} catch(Exception e) {
339	–	unexpectedException();
598		} finally {
599	<	joinPool(p1);
599	>	done.countDown();
600	>	joinPool(p);
601		}
602		}
603
604		/**
605	<	*   purge removes cancelled tasks from the queue
605	>	* purge removes cancelled tasks from the queue
606		*/
607	<	public void testPurge() {
608	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
609	<	CancellableTask[] tasks = new CancellableTask[5];
610	<	for(int i = 0; i < 5; i++){
611	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
612	<	p1.execute(tasks[i]);
607	>	public void testPurge() throws InterruptedException {
608	>	final CountDownLatch threadStarted = new CountDownLatch(1);
609	>	final CountDownLatch done = new CountDownLatch(1);
610	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
611	>	final ThreadPoolExecutor p =
612	>	new ThreadPoolExecutor(1, 1,
613	>	LONG_DELAY_MS, MILLISECONDS,
614	>	q);
615	>	FutureTask[] tasks = new FutureTask[5];
616	>	try {
617	>	for (int i = 0; i < tasks.length; i++) {
618	>	Callable task = new CheckedCallable<Boolean>() {
619	>	public Boolean realCall() throws InterruptedException {
620	>	threadStarted.countDown();
621	>	done.await();
622	>	return Boolean.TRUE;
623	>	}};
624	>	tasks[i] = new FutureTask(task);
625	>	p.execute(tasks[i]);
626	>	}
627	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
628	>	assertEquals(tasks.length, p.getTaskCount());
629	>	assertEquals(tasks.length - 1, q.size());
630	>	assertEquals(1L, p.getActiveCount());
631	>	assertEquals(0L, p.getCompletedTaskCount());
632	>	tasks[4].cancel(true);
633	>	tasks[3].cancel(false);
634	>	p.purge();
635	>	assertEquals(tasks.length - 3, q.size());
636	>	assertEquals(tasks.length - 2, p.getTaskCount());
637	>	p.purge();         // Nothing to do
638	>	assertEquals(tasks.length - 3, q.size());
639	>	assertEquals(tasks.length - 2, p.getTaskCount());
640	>	} finally {
641	>	done.countDown();
642	>	joinPool(p);
643		}
355	–	tasks[4].cancel(true);
356	–	tasks[3].cancel(true);
357	–	p1.purge();
358	–	long count = p1.getTaskCount();
359	–	assertTrue(count >= 2 && count < 5);
360	–	p1.shutdownNow();
361	–	joinPool(p1);
644		}
645
646		/**
647	<	*  shutDownNow returns a list containing tasks that were not run
647	>	* shutdownNow returns a list containing tasks that were not run,
648	>	* and those tasks are drained from the queue
649		*/
650	<	public void testShutDownNow() {
651	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
652	<	List l;
653	<	try {
654	<	for(int i = 0; i < 5; i++)
655	<	p1.execute(new MediumPossiblyInterruptedRunnable());
656	<	}
657	<	finally {
658	<	l = p1.shutdownNow();
659	<	}
660	<	assertTrue(p1.isShutdown());
661	<	assertTrue(l.size() <= 4);
650	>	public void testShutdownNow() throws InterruptedException {
651	>	final int poolSize = 2;
652	>	final int count = 5;
653	>	final AtomicInteger ran = new AtomicInteger(0);
654	>	final ThreadPoolExecutor p =
655	>	new ThreadPoolExecutor(poolSize, poolSize,
656	>	LONG_DELAY_MS, MILLISECONDS,
657	>	new ArrayBlockingQueue<Runnable>(10));
658	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
659	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
660	>	threadsStarted.countDown();
661	>	try {
662	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
663	>	} catch (InterruptedException success) {}
664	>	ran.getAndIncrement();
665	>	}};
666	>	for (int i = 0; i < count; i++)
667	>	p.execute(waiter);
668	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
669	>	assertEquals(poolSize, p.getActiveCount());
670	>	assertEquals(0, p.getCompletedTaskCount());
671	>	final List<Runnable> queuedTasks;
672	>	try {
673	>	queuedTasks = p.shutdownNow();
674	>	} catch (SecurityException ok) {
675	>	return; // Allowed in case test doesn't have privs
676	>	}
677	>	assertTrue(p.isShutdown());
678	>	assertTrue(p.getQueue().isEmpty());
679	>	assertEquals(count - poolSize, queuedTasks.size());
680	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
681	>	assertTrue(p.isTerminated());
682	>	assertEquals(poolSize, ran.get());
683	>	assertEquals(poolSize, p.getCompletedTaskCount());
684		}
685
686		// Exception Tests
382	–
687
688	<	/**
689	<	* Constructor throws if corePoolSize argument is less than zero
688	>	/**
689	>	* Constructor throws if corePoolSize argument is less than zero
690		*/
691		public void testConstructor1() {
692		try {
693	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
693	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
694	>	new ArrayBlockingQueue<Runnable>(10));
695		shouldThrow();
696	<	}
392	<	catch (IllegalArgumentException success){}
696	>	} catch (IllegalArgumentException success) {}
697		}
698	<
699	<	/**
700	<	* Constructor throws if maximumPoolSize is less than zero
698	>
699	>	/**
700	>	* Constructor throws if maximumPoolSize is less than zero
701		*/
702		public void testConstructor2() {
703		try {
704	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
704	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
705	>	new ArrayBlockingQueue<Runnable>(10));
706		shouldThrow();
707	<	}
403	<	catch (IllegalArgumentException success){}
707	>	} catch (IllegalArgumentException success) {}
708		}
709	<
710	<	/**
711	<	* Constructor throws if maximumPoolSize is equal to zero
709	>
710	>	/**
711	>	* Constructor throws if maximumPoolSize is equal to zero
712		*/
713		public void testConstructor3() {
714		try {
715	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
715	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
716	>	new ArrayBlockingQueue<Runnable>(10));
717		shouldThrow();
718	<	}
414	<	catch (IllegalArgumentException success){}
718	>	} catch (IllegalArgumentException success) {}
719		}
720
721	<	/**
722	<	* Constructor throws if keepAliveTime is less than zero
721	>	/**
722	>	* Constructor throws if keepAliveTime is less than zero
723		*/
724		public void testConstructor4() {
725		try {
726	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
726	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
727	>	new ArrayBlockingQueue<Runnable>(10));
728		shouldThrow();
729	<	}
425	<	catch (IllegalArgumentException success){}
729	>	} catch (IllegalArgumentException success) {}
730		}
731
732	<	/**
733	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
732	>	/**
733	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
734		*/
735		public void testConstructor5() {
736		try {
737	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
737	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
738	>	new ArrayBlockingQueue<Runnable>(10));
739		shouldThrow();
740	<	}
436	<	catch (IllegalArgumentException success){}
740	>	} catch (IllegalArgumentException success) {}
741		}
742	<
743	<	/**
744	<	* Constructor throws if workQueue is set to null
742	>
743	>	/**
744	>	* Constructor throws if workQueue is set to null
745		*/
746		public void testConstructorNullPointerException() {
747		try {
748	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
748	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
749	>	(BlockingQueue) null);
750		shouldThrow();
751	<	}
447	<	catch (NullPointerException success){}
751	>	} catch (NullPointerException success) {}
752		}
449	–
753
754	<
755	<	/**
453	<	* Constructor throws if corePoolSize argument is less than zero
754	>	/**
755	>	* Constructor throws if corePoolSize argument is less than zero
756		*/
757		public void testConstructor6() {
758		try {
759	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
759	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
760	>	new ArrayBlockingQueue<Runnable>(10),
761	>	new SimpleThreadFactory());
762		shouldThrow();
763	<	} catch (IllegalArgumentException success){}
763	>	} catch (IllegalArgumentException success) {}
764		}
765	<
766	<	/**
767	<	* Constructor throws if maximumPoolSize is less than zero
765	>
766	>	/**
767	>	* Constructor throws if maximumPoolSize is less than zero
768		*/
769		public void testConstructor7() {
770		try {
771	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
771	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
772	>	new ArrayBlockingQueue<Runnable>(10),
773	>	new SimpleThreadFactory());
774		shouldThrow();
775	<	}
470	<	catch (IllegalArgumentException success){}
775	>	} catch (IllegalArgumentException success) {}
776		}
777
778	<	/**
779	<	* Constructor throws if maximumPoolSize is equal to zero
778	>	/**
779	>	* Constructor throws if maximumPoolSize is equal to zero
780		*/
781		public void testConstructor8() {
782		try {
783	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
783	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
784	>	new ArrayBlockingQueue<Runnable>(10),
785	>	new SimpleThreadFactory());
786		shouldThrow();
787	<	}
481	<	catch (IllegalArgumentException success){}
787	>	} catch (IllegalArgumentException success) {}
788		}
789
790	<	/**
791	<	* Constructor throws if keepAliveTime is less than zero
790	>	/**
791	>	* Constructor throws if keepAliveTime is less than zero
792		*/
793		public void testConstructor9() {
794		try {
795	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
795	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
796	>	new ArrayBlockingQueue<Runnable>(10),
797	>	new SimpleThreadFactory());
798		shouldThrow();
799	<	}
492	<	catch (IllegalArgumentException success){}
799	>	} catch (IllegalArgumentException success) {}
800		}
801
802	<	/**
803	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
802	>	/**
803	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
804		*/
805		public void testConstructor10() {
806		try {
807	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
807	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
808	>	new ArrayBlockingQueue<Runnable>(10),
809	>	new SimpleThreadFactory());
810		shouldThrow();
811	<	}
503	<	catch (IllegalArgumentException success){}
811	>	} catch (IllegalArgumentException success) {}
812		}
813
814	<	/**
815	<	* Constructor throws if workQueue is set to null
814	>	/**
815	>	* Constructor throws if workQueue is set to null
816		*/
817		public void testConstructorNullPointerException2() {
818		try {
819	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
819	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
820	>	(BlockingQueue) null,
821	>	new SimpleThreadFactory());
822		shouldThrow();
823	<	}
514	<	catch (NullPointerException success){}
823	>	} catch (NullPointerException success) {}
824		}
825
826	<	/**
827	<	* Constructor throws if threadFactory is set to null
826	>	/**
827	>	* Constructor throws if threadFactory is set to null
828		*/
829		public void testConstructorNullPointerException3() {
830		try {
831	<	ThreadFactory f = null;
832	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
831	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
832	>	new ArrayBlockingQueue<Runnable>(10),
833	>	(ThreadFactory) null);
834		shouldThrow();
835	<	}
526	<	catch (NullPointerException success){}
835	>	} catch (NullPointerException success) {}
836		}
837	<
838	<
839	<	/**
531	<	* Constructor throws if corePoolSize argument is less than zero
837	>
838	>	/**
839	>	* Constructor throws if corePoolSize argument is less than zero
840		*/
841		public void testConstructor11() {
842		try {
843	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
843	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
844	>	new ArrayBlockingQueue<Runnable>(10),
845	>	new NoOpREHandler());
846		shouldThrow();
847	<	}
538	<	catch (IllegalArgumentException success){}
847	>	} catch (IllegalArgumentException success) {}
848		}
849
850	<	/**
851	<	* Constructor throws if maximumPoolSize is less than zero
850	>	/**
851	>	* Constructor throws if maximumPoolSize is less than zero
852		*/
853		public void testConstructor12() {
854		try {
855	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
855	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
856	>	new ArrayBlockingQueue<Runnable>(10),
857	>	new NoOpREHandler());
858		shouldThrow();
859	<	}
549	<	catch (IllegalArgumentException success){}
859	>	} catch (IllegalArgumentException success) {}
860		}
861
862	<	/**
863	<	* Constructor throws if maximumPoolSize is equal to zero
862	>	/**
863	>	* Constructor throws if maximumPoolSize is equal to zero
864		*/
865		public void testConstructor13() {
866		try {
867	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
867	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
868	>	new ArrayBlockingQueue<Runnable>(10),
869	>	new NoOpREHandler());
870		shouldThrow();
871	<	}
560	<	catch (IllegalArgumentException success){}
871	>	} catch (IllegalArgumentException success) {}
872		}
873
874	<	/**
875	<	* Constructor throws if keepAliveTime is less than zero
874	>	/**
875	>	* Constructor throws if keepAliveTime is less than zero
876		*/
877		public void testConstructor14() {
878		try {
879	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
879	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
880	>	new ArrayBlockingQueue<Runnable>(10),
881	>	new NoOpREHandler());
882		shouldThrow();
883	<	}
571	<	catch (IllegalArgumentException success){}
883	>	} catch (IllegalArgumentException success) {}
884		}
885
886	<	/**
887	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
886	>	/**
887	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
888		*/
889		public void testConstructor15() {
890		try {
891	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
891	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
892	>	new ArrayBlockingQueue<Runnable>(10),
893	>	new NoOpREHandler());
894		shouldThrow();
895	<	}
582	<	catch (IllegalArgumentException success){}
895	>	} catch (IllegalArgumentException success) {}
896		}
897
898	<	/**
899	<	* Constructor throws if workQueue is set to null
898	>	/**
899	>	* Constructor throws if workQueue is set to null
900		*/
901		public void testConstructorNullPointerException4() {
902		try {
903	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
903	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
904	>	(BlockingQueue) null,
905	>	new NoOpREHandler());
906		shouldThrow();
907	<	}
593	<	catch (NullPointerException success){}
907	>	} catch (NullPointerException success) {}
908		}
909
910	<	/**
911	<	* Constructor throws if handler is set to null
910	>	/**
911	>	* Constructor throws if handler is set to null
912		*/
913		public void testConstructorNullPointerException5() {
914		try {
915	<	RejectedExecutionHandler r = null;
916	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
915	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
916	>	new ArrayBlockingQueue<Runnable>(10),
917	>	(RejectedExecutionHandler) null);
918		shouldThrow();
919	<	}
605	<	catch (NullPointerException success){}
919	>	} catch (NullPointerException success) {}
920		}
921
922	<
923	<	/**
610	<	* Constructor throws if corePoolSize argument is less than zero
922	>	/**
923	>	* Constructor throws if corePoolSize argument is less than zero
924		*/
925		public void testConstructor16() {
926		try {
927	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
927	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
928	>	new ArrayBlockingQueue<Runnable>(10),
929	>	new SimpleThreadFactory(),
930	>	new NoOpREHandler());
931		shouldThrow();
932	<	}
617	<	catch (IllegalArgumentException success){}
932	>	} catch (IllegalArgumentException success) {}
933		}
934
935	<	/**
936	<	* Constructor throws if maximumPoolSize is less than zero
935	>	/**
936	>	* Constructor throws if maximumPoolSize is less than zero
937		*/
938		public void testConstructor17() {
939		try {
940	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
940	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
941	>	new ArrayBlockingQueue<Runnable>(10),
942	>	new SimpleThreadFactory(),
943	>	new NoOpREHandler());
944		shouldThrow();
945	<	}
628	<	catch (IllegalArgumentException success){}
945	>	} catch (IllegalArgumentException success) {}
946		}
947
948	<	/**
949	<	* Constructor throws if maximumPoolSize is equal to zero
948	>	/**
949	>	* Constructor throws if maximumPoolSize is equal to zero
950		*/
951		public void testConstructor18() {
952		try {
953	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
953	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
954	>	new ArrayBlockingQueue<Runnable>(10),
955	>	new SimpleThreadFactory(),
956	>	new NoOpREHandler());
957		shouldThrow();
958	<	}
639	<	catch (IllegalArgumentException success){}
958	>	} catch (IllegalArgumentException success) {}
959		}
960
961	<	/**
962	<	* Constructor throws if keepAliveTime is less than zero
961	>	/**
962	>	* Constructor throws if keepAliveTime is less than zero
963		*/
964		public void testConstructor19() {
965		try {
966	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
966	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
967	>	new ArrayBlockingQueue<Runnable>(10),
968	>	new SimpleThreadFactory(),
969	>	new NoOpREHandler());
970		shouldThrow();
971	<	}
650	<	catch (IllegalArgumentException success){}
971	>	} catch (IllegalArgumentException success) {}
972		}
973
974	<	/**
975	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
974	>	/**
975	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
976		*/
977		public void testConstructor20() {
978		try {
979	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
979	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
980	>	new ArrayBlockingQueue<Runnable>(10),
981	>	new SimpleThreadFactory(),
982	>	new NoOpREHandler());
983		shouldThrow();
984	<	}
661	<	catch (IllegalArgumentException success){}
984	>	} catch (IllegalArgumentException success) {}
985		}
986
987	<	/**
988	<	* Constructor throws if workQueue is set to null
987	>	/**
988	>	* Constructor throws if workQueue is null
989		*/
990		public void testConstructorNullPointerException6() {
991		try {
992	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
992	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
993	>	(BlockingQueue) null,
994	>	new SimpleThreadFactory(),
995	>	new NoOpREHandler());
996		shouldThrow();
997	<	}
672	<	catch (NullPointerException success){}
997	>	} catch (NullPointerException success) {}
998		}
999
1000	<	/**
1001	<	* Constructor throws if handler is set to null
1000	>	/**
1001	>	* Constructor throws if handler is null
1002		*/
1003		public void testConstructorNullPointerException7() {
1004		try {
1005	<	RejectedExecutionHandler r = null;
1006	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1005	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1006	>	new ArrayBlockingQueue<Runnable>(10),
1007	>	new SimpleThreadFactory(),
1008	>	(RejectedExecutionHandler) null);
1009		shouldThrow();
1010	<	}
684	<	catch (NullPointerException success){}
1010	>	} catch (NullPointerException success) {}
1011		}
1012
1013	<	/**
1014	<	* Constructor throws if ThreadFactory is set top null
1013	>	/**
1014	>	* Constructor throws if ThreadFactory is null
1015		*/
1016		public void testConstructorNullPointerException8() {
1017		try {
1018	<	ThreadFactory f = null;
1019	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1020	<	shouldThrow();
1018	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1019	>	new ArrayBlockingQueue<Runnable>(10),
1020	>	(ThreadFactory) null,
1021	>	new NoOpREHandler());
1022	>	shouldThrow();
1023	>	} catch (NullPointerException success) {}
1024	>	}
1025	>
1026	>	/**
1027	>	* get of submitted callable throws InterruptedException if interrupted
1028	>	*/
1029	>	public void testInterruptedSubmit() throws InterruptedException {
1030	>	final ThreadPoolExecutor p =
1031	>	new ThreadPoolExecutor(1, 1,
1032	>	60, SECONDS,
1033	>	new ArrayBlockingQueue<Runnable>(10));
1034	>
1035	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1036	>	final CountDownLatch done = new CountDownLatch(1);
1037	>	try {
1038	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1039	>	public void realRun() throws Exception {
1040	>	Callable task = new CheckedCallable<Boolean>() {
1041	>	public Boolean realCall() throws InterruptedException {
1042	>	threadStarted.countDown();
1043	>	done.await();
1044	>	return Boolean.TRUE;
1045	>	}};
1046	>	p.submit(task).get();
1047	>	}});
1048	>
1049	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1050	>	t.interrupt();
1051	>	awaitTermination(t, MEDIUM_DELAY_MS);
1052	>	} finally {
1053	>	done.countDown();
1054	>	joinPool(p);
1055		}
696	–	catch (NullPointerException successdn8){}
1056		}
698	–
1057
1058		/**
1059	<	*  execute throws RejectedExecutionException
702	<	*  if saturated.
1059	>	* execute throws RejectedExecutionException if saturated.
1060		*/
1061		public void testSaturatedExecute() {
1062	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1063	<	try {
1064	<
1065	<	for(int i = 0; i < 5; ++i){
1066	<	p.execute(new MediumRunnable());
1062	>	ThreadPoolExecutor p =
1063	>	new ThreadPoolExecutor(1, 1,
1064	>	LONG_DELAY_MS, MILLISECONDS,
1065	>	new ArrayBlockingQueue<Runnable>(1));
1066	>	final CountDownLatch done = new CountDownLatch(1);
1067	>	try {
1068	>	Runnable task = new CheckedRunnable() {
1069	>	public void realRun() throws InterruptedException {
1070	>	done.await();
1071	>	}};
1072	>	for (int i = 0; i < 2; ++i)
1073	>	p.execute(task);
1074	>	for (int i = 0; i < 2; ++i) {
1075	>	try {
1076	>	p.execute(task);
1077	>	shouldThrow();
1078	>	} catch (RejectedExecutionException success) {}
1079	>	assertTrue(p.getTaskCount() <= 2);
1080		}
1081	<	shouldThrow();
1082	<	} catch(RejectedExecutionException success){}
1083	<	joinPool(p);
1081	>	} finally {
1082	>	done.countDown();
1083	>	joinPool(p);
1084	>	}
1085		}
1086
1087		/**
1088	<	*  executor using CallerRunsPolicy runs task if saturated.
1088	>	* submit(runnable) throws RejectedExecutionException if saturated.
1089	>	*/
1090	>	public void testSaturatedSubmitRunnable() {
1091	>	ThreadPoolExecutor p =
1092	>	new ThreadPoolExecutor(1, 1,
1093	>	LONG_DELAY_MS, MILLISECONDS,
1094	>	new ArrayBlockingQueue<Runnable>(1));
1095	>	final CountDownLatch done = new CountDownLatch(1);
1096	>	try {
1097	>	Runnable task = new CheckedRunnable() {
1098	>	public void realRun() throws InterruptedException {
1099	>	done.await();
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	>	} finally {
1111	>	done.countDown();
1112	>	joinPool(p);
1113	>	}
1114	>	}
1115	>
1116	>	/**
1117	>	* submit(callable) throws RejectedExecutionException if saturated.
1118	>	*/
1119	>	public void testSaturatedSubmitCallable() {
1120	>	ThreadPoolExecutor p =
1121	>	new ThreadPoolExecutor(1, 1,
1122	>	LONG_DELAY_MS, MILLISECONDS,
1123	>	new ArrayBlockingQueue<Runnable>(1));
1124	>	final CountDownLatch done = new CountDownLatch(1);
1125	>	try {
1126	>	Runnable task = new CheckedRunnable() {
1127	>	public void realRun() throws InterruptedException {
1128	>	done.await();
1129	>	}};
1130	>	for (int i = 0; i < 2; ++i)
1131	>	p.submit(Executors.callable(task));
1132	>	for (int i = 0; i < 2; ++i) {
1133	>	try {
1134	>	p.execute(task);
1135	>	shouldThrow();
1136	>	} catch (RejectedExecutionException success) {}
1137	>	assertTrue(p.getTaskCount() <= 2);
1138	>	}
1139	>	} finally {
1140	>	done.countDown();
1141	>	joinPool(p);
1142	>	}
1143	>	}
1144	>
1145	>	/**
1146	>	* executor using CallerRunsPolicy runs task if saturated.
1147		*/
1148		public void testSaturatedExecute2() {
1149		RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1150	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1150	>	final ThreadPoolExecutor p =
1151	>	new ThreadPoolExecutor(1, 1,
1152	>	LONG_DELAY_MS,
1153	>	MILLISECONDS,
1154	>	new ArrayBlockingQueue<Runnable>(1),
1155	>	h);
1156		try {
723	–
1157		TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1158	<	for(int i = 0; i < 5; ++i){
1158	>	for (int i = 0; i < tasks.length; ++i)
1159		tasks[i] = new TrackedNoOpRunnable();
727	–	}
1160		TrackedLongRunnable mr = new TrackedLongRunnable();
1161		p.execute(mr);
1162	<	for(int i = 0; i < 5; ++i){
1162	>	for (int i = 0; i < tasks.length; ++i)
1163		p.execute(tasks[i]);
1164	<	}
733	<	for(int i = 1; i < 5; ++i) {
1164	>	for (int i = 1; i < tasks.length; ++i)
1165		assertTrue(tasks[i].done);
1166	<	}
736	<	p.shutdownNow();
737	<	} catch(RejectedExecutionException ex){
738	<	unexpectedException();
1166	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1167		} finally {
1168		joinPool(p);
1169		}
1170		}
1171
1172		/**
1173	<	*  executor using DiscardPolicy drops task if saturated.
1173	>	* executor using DiscardPolicy drops task if saturated.
1174		*/
1175		public void testSaturatedExecute3() {
1176		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1177	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1177	>	final ThreadPoolExecutor p =
1178	>	new ThreadPoolExecutor(1, 1,
1179	>	LONG_DELAY_MS, MILLISECONDS,
1180	>	new ArrayBlockingQueue<Runnable>(1),
1181	>	h);
1182		try {
751	–
1183		TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1184	<	for(int i = 0; i < 5; ++i){
1184	>	for (int i = 0; i < tasks.length; ++i)
1185		tasks[i] = new TrackedNoOpRunnable();
755	–	}
1186		p.execute(new TrackedLongRunnable());
1187	<	for(int i = 0; i < 5; ++i){
1188	<	p.execute(tasks[i]);
1189	<	}
1190	<	for(int i = 0; i < 5; ++i){
1191	<	assertFalse(tasks[i].done);
762	<	}
763	<	p.shutdownNow();
764	<	} catch(RejectedExecutionException ex){
765	<	unexpectedException();
1187	>	for (TrackedNoOpRunnable task : tasks)
1188	>	p.execute(task);
1189	>	for (TrackedNoOpRunnable task : tasks)
1190	>	assertFalse(task.done);
1191	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1192		} finally {
1193		joinPool(p);
1194		}
1195		}
1196
1197		/**
1198	<	*  executor using DiscardOldestPolicy drops oldest task if saturated.
1198	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1199		*/
1200		public void testSaturatedExecute4() {
1201		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1202	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1202	>	final ThreadPoolExecutor p =
1203	>	new ThreadPoolExecutor(1, 1,
1204	>	LONG_DELAY_MS, MILLISECONDS,
1205	>	new ArrayBlockingQueue<Runnable>(1),
1206	>	h);
1207		try {
1208		p.execute(new TrackedLongRunnable());
1209		TrackedLongRunnable r2 = new TrackedLongRunnable();
#	Line 783 | Line 1213 | public class ThreadPoolExecutorTest exte
1213		p.execute(r3);
1214		assertFalse(p.getQueue().contains(r2));
1215		assertTrue(p.getQueue().contains(r3));
1216	<	p.shutdownNow();
787	<	} catch(RejectedExecutionException ex){
788	<	unexpectedException();
1216	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1217		} finally {
1218		joinPool(p);
1219		}
1220		}
1221
1222		/**
1223	<	*  execute throws RejectedExecutionException if shutdown
1223	>	* execute throws RejectedExecutionException if shutdown
1224		*/
1225		public void testRejectedExecutionExceptionOnShutdown() {
1226	<	ThreadPoolExecutor tpe =
1227	<	new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1228	<	tpe.shutdown();
1229	<	try {
1230	<	tpe.execute(new NoOpRunnable());
1231	<	shouldThrow();
1232	<	} catch(RejectedExecutionException success){}
1233	<
1234	<	joinPool(tpe);
1226	>	ThreadPoolExecutor p =
1227	>	new ThreadPoolExecutor(1, 1,
1228	>	LONG_DELAY_MS, MILLISECONDS,
1229	>	new ArrayBlockingQueue<Runnable>(1));
1230	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1231	>	try {
1232	>	p.execute(new NoOpRunnable());
1233	>	shouldThrow();
1234	>	} catch (RejectedExecutionException success) {}
1235	>
1236	>	joinPool(p);
1237		}
1238
1239		/**
1240	<	*  execute using CallerRunsPolicy drops task on shutdown
1240	>	* execute using CallerRunsPolicy drops task on shutdown
1241		*/
1242		public void testCallerRunsOnShutdown() {
1243		RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1244	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1244	>	final ThreadPoolExecutor p =
1245	>	new ThreadPoolExecutor(1, 1,
1246	>	LONG_DELAY_MS, MILLISECONDS,
1247	>	new ArrayBlockingQueue<Runnable>(1), h);
1248
1249	<	p.shutdown();
1250	<	try {
1249	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1250	>	try {
1251		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1252	<	p.execute(r);
1252	>	p.execute(r);
1253		assertFalse(r.done);
821	–	} catch(RejectedExecutionException success){
822	–	unexpectedException();
1254		} finally {
1255		joinPool(p);
1256		}
1257		}
1258
1259		/**
1260	<	*  execute using DiscardPolicy drops task on shutdown
1260	>	* execute using DiscardPolicy drops task on shutdown
1261		*/
1262		public void testDiscardOnShutdown() {
1263		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1264	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1264	>	ThreadPoolExecutor p =
1265	>	new ThreadPoolExecutor(1, 1,
1266	>	LONG_DELAY_MS, MILLISECONDS,
1267	>	new ArrayBlockingQueue<Runnable>(1),
1268	>	h);
1269
1270	<	p.shutdown();
1271	<	try {
1270	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1271	>	try {
1272		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1273	<	p.execute(r);
1273	>	p.execute(r);
1274		assertFalse(r.done);
840	–	} catch(RejectedExecutionException success){
841	–	unexpectedException();
1275		} finally {
1276		joinPool(p);
1277		}
1278		}
1279
847	–
1280		/**
1281	<	*  execute using DiscardOldestPolicy drops task on shutdown
1281	>	* execute using DiscardOldestPolicy drops task on shutdown
1282		*/
1283		public void testDiscardOldestOnShutdown() {
1284		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1285	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1285	>	ThreadPoolExecutor p =
1286	>	new ThreadPoolExecutor(1, 1,
1287	>	LONG_DELAY_MS, MILLISECONDS,
1288	>	new ArrayBlockingQueue<Runnable>(1),
1289	>	h);
1290
1291	<	p.shutdown();
1292	<	try {
1291	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1292	>	try {
1293		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1294	<	p.execute(r);
1294	>	p.execute(r);
1295		assertFalse(r.done);
860	–	} catch(RejectedExecutionException success){
861	–	unexpectedException();
1296		} finally {
1297		joinPool(p);
1298		}
1299		}
1300
867	–
1301		/**
1302	<	*  execute (null) throws NPE
1302	>	* execute(null) throws NPE
1303		*/
1304		public void testExecuteNull() {
1305	<	ThreadPoolExecutor tpe = null;
1305	>	ThreadPoolExecutor p =
1306	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1307	>	new ArrayBlockingQueue<Runnable>(10));
1308		try {
1309	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
875	<	tpe.execute(null);
1309	>	p.execute(null);
1310		shouldThrow();
1311	<	} catch(NullPointerException success){}
1312	<
1313	<	joinPool(tpe);
1311	>	} catch (NullPointerException success) {}
1312	>
1313	>	joinPool(p);
1314		}
1315	<
1315	>
1316		/**
1317	<	*  setCorePoolSize of negative value throws IllegalArgumentException
1317	>	* setCorePoolSize of negative value throws IllegalArgumentException
1318		*/
1319		public void testCorePoolSizeIllegalArgumentException() {
1320	<	ThreadPoolExecutor tpe = null;
1321	<	try {
1322	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1323	<	} catch(Exception e){}
890	<	try {
891	<	tpe.setCorePoolSize(-1);
892	<	shouldThrow();
893	<	} catch(IllegalArgumentException success){
894	<	} finally {
895	<	tpe.shutdown();
896	<	}
897	<	joinPool(tpe);
898	<	}
899	<
900	<	/**
901	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
902	<	*  given a value less the core pool size
903	<	*/
904	<	public void testMaximumPoolSizeIllegalArgumentException() {
905	<	ThreadPoolExecutor tpe = null;
1320	>	ThreadPoolExecutor p =
1321	>	new ThreadPoolExecutor(1, 2,
1322	>	LONG_DELAY_MS, MILLISECONDS,
1323	>	new ArrayBlockingQueue<Runnable>(10));
1324		try {
1325	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1326	<	} catch(Exception e){}
1325	>	p.setCorePoolSize(-1);
1326	>	shouldThrow();
1327	>	} catch (IllegalArgumentException success) {
1328	>	} finally {
1329	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1330	>	}
1331	>	joinPool(p);
1332	>	}
1333	>
1334	>	/**
1335	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1336	>	* given a value less the core pool size
1337	>	*/
1338	>	public void testMaximumPoolSizeIllegalArgumentException() {
1339	>	ThreadPoolExecutor p =
1340	>	new ThreadPoolExecutor(2, 3,
1341	>	LONG_DELAY_MS, MILLISECONDS,
1342	>	new ArrayBlockingQueue<Runnable>(10));
1343		try {
1344	<	tpe.setMaximumPoolSize(1);
1344	>	p.setMaximumPoolSize(1);
1345		shouldThrow();
1346	<	} catch(IllegalArgumentException success){
1346	>	} catch (IllegalArgumentException success) {
1347		} finally {
1348	<	tpe.shutdown();
1348	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1349		}
1350	<	joinPool(tpe);
1350	>	joinPool(p);
1351		}
1352	<
1352	>
1353		/**
1354	<	*  setMaximumPoolSize throws IllegalArgumentException
1355	<	*  if given a negative value
1354	>	* setMaximumPoolSize throws IllegalArgumentException
1355	>	* if given a negative value
1356		*/
1357		public void testMaximumPoolSizeIllegalArgumentException2() {
1358	<	ThreadPoolExecutor tpe = null;
1359	<	try {
1360	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1361	<	} catch(Exception e){}
1358	>	ThreadPoolExecutor p =
1359	>	new ThreadPoolExecutor(2, 3,
1360	>	LONG_DELAY_MS, MILLISECONDS,
1361	>	new ArrayBlockingQueue<Runnable>(10));
1362		try {
1363	<	tpe.setMaximumPoolSize(-1);
1363	>	p.setMaximumPoolSize(-1);
1364		shouldThrow();
1365	<	} catch(IllegalArgumentException success){
1365	>	} catch (IllegalArgumentException success) {
1366		} finally {
1367	<	tpe.shutdown();
1367	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1368	>	}
1369	>	joinPool(p);
1370	>	}
1371	>
1372	>	/**
1373	>	* Configuration changes that allow core pool size greater than
1374	>	* max pool size result in IllegalArgumentException.
1375	>	*/
1376	>	public void testPoolSizeInvariants() {
1377	>	ThreadPoolExecutor p =
1378	>	new ThreadPoolExecutor(1, 1,
1379	>	LONG_DELAY_MS, MILLISECONDS,
1380	>	new ArrayBlockingQueue<Runnable>(10));
1381	>	for (int s = 1; s < 5; s++) {
1382	>	p.setMaximumPoolSize(s);
1383	>	p.setCorePoolSize(s);
1384	>	try {
1385	>	p.setMaximumPoolSize(s - 1);
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388	>	assertEquals(s, p.getCorePoolSize());
1389	>	assertEquals(s, p.getMaximumPoolSize());
1390	>	try {
1391	>	p.setCorePoolSize(s + 1);
1392	>	shouldThrow();
1393	>	} catch (IllegalArgumentException success) {}
1394	>	assertEquals(s, p.getCorePoolSize());
1395	>	assertEquals(s, p.getMaximumPoolSize());
1396		}
1397	<	joinPool(tpe);
1397	>	joinPool(p);
1398		}
937	–
1399
1400		/**
1401	<	*  setKeepAliveTime  throws IllegalArgumentException
1402	<	*  when given a negative value
1401	>	* setKeepAliveTime throws IllegalArgumentException
1402	>	* when given a negative value
1403		*/
1404		public void testKeepAliveTimeIllegalArgumentException() {
1405	<	ThreadPoolExecutor tpe = null;
1405	>	ThreadPoolExecutor p =
1406	>	new ThreadPoolExecutor(2, 3,
1407	>	LONG_DELAY_MS, MILLISECONDS,
1408	>	new ArrayBlockingQueue<Runnable>(10));
1409		try {
1410	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
947	<	} catch(Exception e){}
948	<
949	<	try {
950	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1410	>	p.setKeepAliveTime(-1,MILLISECONDS);
1411		shouldThrow();
1412	<	} catch(IllegalArgumentException success){
1412	>	} catch (IllegalArgumentException success) {
1413		} finally {
1414	<	tpe.shutdown();
1414	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1415		}
1416	<	joinPool(tpe);
1416	>	joinPool(p);
1417		}
1418
1419		/**
1420		* terminated() is called on termination
1421		*/
1422		public void testTerminated() {
1423	<	ExtendedTPE tpe = new ExtendedTPE();
1424	<	tpe.shutdown();
1425	<	assertTrue(tpe.terminatedCalled);
1426	<	joinPool(tpe);
1423	>	ExtendedTPE p = new ExtendedTPE();
1424	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1425	>	assertTrue(p.terminatedCalled());
1426	>	joinPool(p);
1427		}
1428
1429		/**
1430		* beforeExecute and afterExecute are called when executing task
1431		*/
1432	<	public void testBeforeAfter() {
1433	<	ExtendedTPE tpe = new ExtendedTPE();
1432	>	public void testBeforeAfter() throws InterruptedException {
1433	>	ExtendedTPE p = new ExtendedTPE();
1434		try {
1435	<	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1436	<	tpe.execute(r);
1437	<	Thread.sleep(SHORT_DELAY_MS);
1438	<	assertTrue(r.done);
1439	<	assertTrue(tpe.beforeCalled);
1440	<	assertTrue(tpe.afterCalled);
1441	<	tpe.shutdown();
1435	>	final CountDownLatch done = new CountDownLatch(1);
1436	>	p.execute(new CheckedRunnable() {
1437	>	public void realRun() {
1438	>	done.countDown();
1439	>	}});
1440	>	await(p.afterCalled);
1441	>	assertEquals(0, done.getCount());
1442	>	assertTrue(p.afterCalled());
1443	>	assertTrue(p.beforeCalled());
1444	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1445	>	} finally {
1446	>	joinPool(p);
1447		}
1448	<	catch(Exception ex) {
1449	<	unexpectedException();
1448	>	}
1449	>
1450	>	/**
1451	>	* completed submit of callable returns result
1452	>	*/
1453	>	public void testSubmitCallable() throws Exception {
1454	>	ExecutorService e =
1455	>	new ThreadPoolExecutor(2, 2,
1456	>	LONG_DELAY_MS, MILLISECONDS,
1457	>	new ArrayBlockingQueue<Runnable>(10));
1458	>	try {
1459	>	Future<String> future = e.submit(new StringTask());
1460	>	String result = future.get();
1461	>	assertSame(TEST_STRING, result);
1462		} finally {
1463	<	joinPool(tpe);
1463	>	joinPool(e);
1464		}
1465		}
1466	+
1467	+	/**
1468	+	* completed submit of runnable returns successfully
1469	+	*/
1470	+	public void testSubmitRunnable() throws Exception {
1471	+	ExecutorService e =
1472	+	new ThreadPoolExecutor(2, 2,
1473	+	LONG_DELAY_MS, MILLISECONDS,
1474	+	new ArrayBlockingQueue<Runnable>(10));
1475	+	try {
1476	+	Future<?> future = e.submit(new NoOpRunnable());
1477	+	future.get();
1478	+	assertTrue(future.isDone());
1479	+	} finally {
1480	+	joinPool(e);
1481	+	}
1482	+	}
1483	+
1484	+	/**
1485	+	* completed submit of (runnable, result) returns result
1486	+	*/
1487	+	public void testSubmitRunnable2() throws Exception {
1488	+	ExecutorService e =
1489	+	new ThreadPoolExecutor(2, 2,
1490	+	LONG_DELAY_MS, MILLISECONDS,
1491	+	new ArrayBlockingQueue<Runnable>(10));
1492	+	try {
1493	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1494	+	String result = future.get();
1495	+	assertSame(TEST_STRING, result);
1496	+	} finally {
1497	+	joinPool(e);
1498	+	}
1499	+	}
1500	+
1501	+	/**
1502	+	* invokeAny(null) throws NPE
1503	+	*/
1504	+	public void testInvokeAny1() throws Exception {
1505	+	ExecutorService e =
1506	+	new ThreadPoolExecutor(2, 2,
1507	+	LONG_DELAY_MS, MILLISECONDS,
1508	+	new ArrayBlockingQueue<Runnable>(10));
1509	+	try {
1510	+	e.invokeAny(null);
1511	+	shouldThrow();
1512	+	} catch (NullPointerException success) {
1513	+	} finally {
1514	+	joinPool(e);
1515	+	}
1516	+	}
1517	+
1518	+	/**
1519	+	* invokeAny(empty collection) throws IAE
1520	+	*/
1521	+	public void testInvokeAny2() throws Exception {
1522	+	ExecutorService e =
1523	+	new ThreadPoolExecutor(2, 2,
1524	+	LONG_DELAY_MS, MILLISECONDS,
1525	+	new ArrayBlockingQueue<Runnable>(10));
1526	+	try {
1527	+	e.invokeAny(new ArrayList<Callable<String>>());
1528	+	shouldThrow();
1529	+	} catch (IllegalArgumentException success) {
1530	+	} finally {
1531	+	joinPool(e);
1532	+	}
1533	+	}
1534	+
1535	+	/**
1536	+	* invokeAny(c) throws NPE if c has null elements
1537	+	*/
1538	+	public void testInvokeAny3() throws Exception {
1539	+	final CountDownLatch latch = new CountDownLatch(1);
1540	+	final ExecutorService e =
1541	+	new ThreadPoolExecutor(2, 2,
1542	+	LONG_DELAY_MS, MILLISECONDS,
1543	+	new ArrayBlockingQueue<Runnable>(10));
1544	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1545	+	l.add(latchAwaitingStringTask(latch));
1546	+	l.add(null);
1547	+	try {
1548	+	e.invokeAny(l);
1549	+	shouldThrow();
1550	+	} catch (NullPointerException success) {
1551	+	} finally {
1552	+	latch.countDown();
1553	+	joinPool(e);
1554	+	}
1555	+	}
1556	+
1557	+	/**
1558	+	* invokeAny(c) throws ExecutionException if no task completes
1559	+	*/
1560	+	public void testInvokeAny4() throws Exception {
1561	+	ExecutorService e =
1562	+	new ThreadPoolExecutor(2, 2,
1563	+	LONG_DELAY_MS, MILLISECONDS,
1564	+	new ArrayBlockingQueue<Runnable>(10));
1565	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1566	+	l.add(new NPETask());
1567	+	try {
1568	+	e.invokeAny(l);
1569	+	shouldThrow();
1570	+	} catch (ExecutionException success) {
1571	+	assertTrue(success.getCause() instanceof NullPointerException);
1572	+	} finally {
1573	+	joinPool(e);
1574	+	}
1575	+	}
1576	+
1577	+	/**
1578	+	* invokeAny(c) returns result of some task
1579	+	*/
1580	+	public void testInvokeAny5() throws Exception {
1581	+	ExecutorService e =
1582	+	new ThreadPoolExecutor(2, 2,
1583	+	LONG_DELAY_MS, MILLISECONDS,
1584	+	new ArrayBlockingQueue<Runnable>(10));
1585	+	try {
1586	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1587	+	l.add(new StringTask());
1588	+	l.add(new StringTask());
1589	+	String result = e.invokeAny(l);
1590	+	assertSame(TEST_STRING, result);
1591	+	} finally {
1592	+	joinPool(e);
1593	+	}
1594	+	}
1595	+
1596	+	/**
1597	+	* invokeAll(null) throws NPE
1598	+	*/
1599	+	public void testInvokeAll1() throws Exception {
1600	+	ExecutorService e =
1601	+	new ThreadPoolExecutor(2, 2,
1602	+	LONG_DELAY_MS, MILLISECONDS,
1603	+	new ArrayBlockingQueue<Runnable>(10));
1604	+	try {
1605	+	e.invokeAll(null);
1606	+	shouldThrow();
1607	+	} catch (NullPointerException success) {
1608	+	} finally {
1609	+	joinPool(e);
1610	+	}
1611	+	}
1612	+
1613	+	/**
1614	+	* invokeAll(empty collection) returns empty collection
1615	+	*/
1616	+	public void testInvokeAll2() throws InterruptedException {
1617	+	ExecutorService e =
1618	+	new ThreadPoolExecutor(2, 2,
1619	+	LONG_DELAY_MS, MILLISECONDS,
1620	+	new ArrayBlockingQueue<Runnable>(10));
1621	+	try {
1622	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1623	+	assertTrue(r.isEmpty());
1624	+	} finally {
1625	+	joinPool(e);
1626	+	}
1627	+	}
1628	+
1629	+	/**
1630	+	* invokeAll(c) throws NPE if c has null elements
1631	+	*/
1632	+	public void testInvokeAll3() throws Exception {
1633	+	ExecutorService e =
1634	+	new ThreadPoolExecutor(2, 2,
1635	+	LONG_DELAY_MS, MILLISECONDS,
1636	+	new ArrayBlockingQueue<Runnable>(10));
1637	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1638	+	l.add(new StringTask());
1639	+	l.add(null);
1640	+	try {
1641	+	e.invokeAll(l);
1642	+	shouldThrow();
1643	+	} catch (NullPointerException success) {
1644	+	} finally {
1645	+	joinPool(e);
1646	+	}
1647	+	}
1648	+
1649	+	/**
1650	+	* get of element of invokeAll(c) throws exception on failed task
1651	+	*/
1652	+	public void testInvokeAll4() throws Exception {
1653	+	ExecutorService e =
1654	+	new ThreadPoolExecutor(2, 2,
1655	+	LONG_DELAY_MS, MILLISECONDS,
1656	+	new ArrayBlockingQueue<Runnable>(10));
1657	+	try {
1658	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1659	+	l.add(new NPETask());
1660	+	List<Future<String>> futures = e.invokeAll(l);
1661	+	assertEquals(1, futures.size());
1662	+	try {
1663	+	futures.get(0).get();
1664	+	shouldThrow();
1665	+	} catch (ExecutionException success) {
1666	+	assertTrue(success.getCause() instanceof NullPointerException);
1667	+	}
1668	+	} finally {
1669	+	joinPool(e);
1670	+	}
1671	+	}
1672	+
1673	+	/**
1674	+	* invokeAll(c) returns results of all completed tasks
1675	+	*/
1676	+	public void testInvokeAll5() throws Exception {
1677	+	ExecutorService e =
1678	+	new ThreadPoolExecutor(2, 2,
1679	+	LONG_DELAY_MS, MILLISECONDS,
1680	+	new ArrayBlockingQueue<Runnable>(10));
1681	+	try {
1682	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1683	+	l.add(new StringTask());
1684	+	l.add(new StringTask());
1685	+	List<Future<String>> futures = e.invokeAll(l);
1686	+	assertEquals(2, futures.size());
1687	+	for (Future<String> future : futures)
1688	+	assertSame(TEST_STRING, future.get());
1689	+	} finally {
1690	+	joinPool(e);
1691	+	}
1692	+	}
1693	+
1694	+	/**
1695	+	* timed invokeAny(null) throws NPE
1696	+	*/
1697	+	public void testTimedInvokeAny1() throws Exception {
1698	+	ExecutorService e =
1699	+	new ThreadPoolExecutor(2, 2,
1700	+	LONG_DELAY_MS, MILLISECONDS,
1701	+	new ArrayBlockingQueue<Runnable>(10));
1702	+	try {
1703	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1704	+	shouldThrow();
1705	+	} catch (NullPointerException success) {
1706	+	} finally {
1707	+	joinPool(e);
1708	+	}
1709	+	}
1710	+
1711	+	/**
1712	+	* timed invokeAny(,,null) throws NPE
1713	+	*/
1714	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1715	+	ExecutorService e =
1716	+	new ThreadPoolExecutor(2, 2,
1717	+	LONG_DELAY_MS, MILLISECONDS,
1718	+	new ArrayBlockingQueue<Runnable>(10));
1719	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1720	+	l.add(new StringTask());
1721	+	try {
1722	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1723	+	shouldThrow();
1724	+	} catch (NullPointerException success) {
1725	+	} finally {
1726	+	joinPool(e);
1727	+	}
1728	+	}
1729	+
1730	+	/**
1731	+	* timed invokeAny(empty collection) throws IAE
1732	+	*/
1733	+	public void testTimedInvokeAny2() throws Exception {
1734	+	ExecutorService e =
1735	+	new ThreadPoolExecutor(2, 2,
1736	+	LONG_DELAY_MS, MILLISECONDS,
1737	+	new ArrayBlockingQueue<Runnable>(10));
1738	+	try {
1739	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1740	+	shouldThrow();
1741	+	} catch (IllegalArgumentException success) {
1742	+	} finally {
1743	+	joinPool(e);
1744	+	}
1745	+	}
1746	+
1747	+	/**
1748	+	* timed invokeAny(c) throws NPE if c has null elements
1749	+	*/
1750	+	public void testTimedInvokeAny3() throws Exception {
1751	+	final CountDownLatch latch = new CountDownLatch(1);
1752	+	final ExecutorService e =
1753	+	new ThreadPoolExecutor(2, 2,
1754	+	LONG_DELAY_MS, MILLISECONDS,
1755	+	new ArrayBlockingQueue<Runnable>(10));
1756	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1757	+	l.add(latchAwaitingStringTask(latch));
1758	+	l.add(null);
1759	+	try {
1760	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1761	+	shouldThrow();
1762	+	} catch (NullPointerException success) {
1763	+	} finally {
1764	+	latch.countDown();
1765	+	joinPool(e);
1766	+	}
1767	+	}
1768	+
1769	+	/**
1770	+	* timed invokeAny(c) throws ExecutionException if no task completes
1771	+	*/
1772	+	public void testTimedInvokeAny4() throws Exception {
1773	+	ExecutorService e =
1774	+	new ThreadPoolExecutor(2, 2,
1775	+	LONG_DELAY_MS, MILLISECONDS,
1776	+	new ArrayBlockingQueue<Runnable>(10));
1777	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1778	+	l.add(new NPETask());
1779	+	try {
1780	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1781	+	shouldThrow();
1782	+	} catch (ExecutionException success) {
1783	+	assertTrue(success.getCause() instanceof NullPointerException);
1784	+	} finally {
1785	+	joinPool(e);
1786	+	}
1787	+	}
1788	+
1789	+	/**
1790	+	* timed invokeAny(c) returns result of some task
1791	+	*/
1792	+	public void testTimedInvokeAny5() throws Exception {
1793	+	ExecutorService e =
1794	+	new ThreadPoolExecutor(2, 2,
1795	+	LONG_DELAY_MS, MILLISECONDS,
1796	+	new ArrayBlockingQueue<Runnable>(10));
1797	+	try {
1798	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1799	+	l.add(new StringTask());
1800	+	l.add(new StringTask());
1801	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1802	+	assertSame(TEST_STRING, result);
1803	+	} finally {
1804	+	joinPool(e);
1805	+	}
1806	+	}
1807	+
1808	+	/**
1809	+	* timed invokeAll(null) throws NPE
1810	+	*/
1811	+	public void testTimedInvokeAll1() throws Exception {
1812	+	ExecutorService e =
1813	+	new ThreadPoolExecutor(2, 2,
1814	+	LONG_DELAY_MS, MILLISECONDS,
1815	+	new ArrayBlockingQueue<Runnable>(10));
1816	+	try {
1817	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1818	+	shouldThrow();
1819	+	} catch (NullPointerException success) {
1820	+	} finally {
1821	+	joinPool(e);
1822	+	}
1823	+	}
1824	+
1825	+	/**
1826	+	* timed invokeAll(,,null) throws NPE
1827	+	*/
1828	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1829	+	ExecutorService e =
1830	+	new ThreadPoolExecutor(2, 2,
1831	+	LONG_DELAY_MS, MILLISECONDS,
1832	+	new ArrayBlockingQueue<Runnable>(10));
1833	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1834	+	l.add(new StringTask());
1835	+	try {
1836	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1837	+	shouldThrow();
1838	+	} catch (NullPointerException success) {
1839	+	} finally {
1840	+	joinPool(e);
1841	+	}
1842	+	}
1843	+
1844	+	/**
1845	+	* timed invokeAll(empty collection) returns empty collection
1846	+	*/
1847	+	public void testTimedInvokeAll2() throws InterruptedException {
1848	+	ExecutorService e =
1849	+	new ThreadPoolExecutor(2, 2,
1850	+	LONG_DELAY_MS, MILLISECONDS,
1851	+	new ArrayBlockingQueue<Runnable>(10));
1852	+	try {
1853	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1854	+	assertTrue(r.isEmpty());
1855	+	} finally {
1856	+	joinPool(e);
1857	+	}
1858	+	}
1859	+
1860	+	/**
1861	+	* timed invokeAll(c) throws NPE if c has null elements
1862	+	*/
1863	+	public void testTimedInvokeAll3() throws Exception {
1864	+	ExecutorService e =
1865	+	new ThreadPoolExecutor(2, 2,
1866	+	LONG_DELAY_MS, MILLISECONDS,
1867	+	new ArrayBlockingQueue<Runnable>(10));
1868	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1869	+	l.add(new StringTask());
1870	+	l.add(null);
1871	+	try {
1872	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1873	+	shouldThrow();
1874	+	} catch (NullPointerException success) {
1875	+	} finally {
1876	+	joinPool(e);
1877	+	}
1878	+	}
1879	+
1880	+	/**
1881	+	* get of element of invokeAll(c) throws exception on failed task
1882	+	*/
1883	+	public void testTimedInvokeAll4() throws Exception {
1884	+	ExecutorService e =
1885	+	new ThreadPoolExecutor(2, 2,
1886	+	LONG_DELAY_MS, MILLISECONDS,
1887	+	new ArrayBlockingQueue<Runnable>(10));
1888	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1889	+	l.add(new NPETask());
1890	+	List<Future<String>> futures =
1891	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1892	+	assertEquals(1, futures.size());
1893	+	try {
1894	+	futures.get(0).get();
1895	+	shouldThrow();
1896	+	} catch (ExecutionException success) {
1897	+	assertTrue(success.getCause() instanceof NullPointerException);
1898	+	} finally {
1899	+	joinPool(e);
1900	+	}
1901	+	}
1902	+
1903	+	/**
1904	+	* timed invokeAll(c) returns results of all completed tasks
1905	+	*/
1906	+	public void testTimedInvokeAll5() throws Exception {
1907	+	ExecutorService e =
1908	+	new ThreadPoolExecutor(2, 2,
1909	+	LONG_DELAY_MS, MILLISECONDS,
1910	+	new ArrayBlockingQueue<Runnable>(10));
1911	+	try {
1912	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1913	+	l.add(new StringTask());
1914	+	l.add(new StringTask());
1915	+	List<Future<String>> futures =
1916	+	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1917	+	assertEquals(2, futures.size());
1918	+	for (Future<String> future : futures)
1919	+	assertSame(TEST_STRING, future.get());
1920	+	} finally {
1921	+	joinPool(e);
1922	+	}
1923	+	}
1924	+
1925	+	/**
1926	+	* timed invokeAll(c) cancels tasks not completed by timeout
1927	+	*/
1928	+	public void testTimedInvokeAll6() throws Exception {
1929	+	ExecutorService e =
1930	+	new ThreadPoolExecutor(2, 2,
1931	+	LONG_DELAY_MS, MILLISECONDS,
1932	+	new ArrayBlockingQueue<Runnable>(10));
1933	+	try {
1934	+	for (long timeout = timeoutMillis();;) {
1935	+	List<Callable<String>> tasks = new ArrayList<>();
1936	+	tasks.add(new StringTask("0"));
1937	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1938	+	tasks.add(new StringTask("2"));
1939	+	long startTime = System.nanoTime();
1940	+	List<Future<String>> futures =
1941	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1942	+	assertEquals(tasks.size(), futures.size());
1943	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1944	+	for (Future future : futures)
1945	+	assertTrue(future.isDone());
1946	+	assertTrue(futures.get(1).isCancelled());
1947	+	try {
1948	+	assertEquals("0", futures.get(0).get());
1949	+	assertEquals("2", futures.get(2).get());
1950	+	break;
1951	+	} catch (CancellationException retryWithLongerTimeout) {
1952	+	timeout *= 2;
1953	+	if (timeout >= LONG_DELAY_MS / 2)
1954	+	fail("expected exactly one task to be cancelled");
1955	+	}
1956	+	}
1957	+	} finally {
1958	+	joinPool(e);
1959	+	}
1960	+	}
1961	+
1962	+	/**
1963	+	* Execution continues if there is at least one thread even if
1964	+	* thread factory fails to create more
1965	+	*/
1966	+	public void testFailingThreadFactory() throws InterruptedException {
1967	+	final ExecutorService e =
1968	+	new ThreadPoolExecutor(100, 100,
1969	+	LONG_DELAY_MS, MILLISECONDS,
1970	+	new LinkedBlockingQueue<Runnable>(),
1971	+	new FailingThreadFactory());
1972	+	try {
1973	+	final int TASKS = 100;
1974	+	final CountDownLatch done = new CountDownLatch(TASKS);
1975	+	for (int k = 0; k < TASKS; ++k)
1976	+	e.execute(new CheckedRunnable() {
1977	+	public void realRun() {
1978	+	done.countDown();
1979	+	}});
1980	+	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1981	+	} finally {
1982	+	joinPool(e);
1983	+	}
1984	+	}
1985	+
1986	+	/**
1987	+	* allowsCoreThreadTimeOut is by default false.
1988	+	*/
1989	+	public void testAllowsCoreThreadTimeOut() {
1990	+	final ThreadPoolExecutor p =
1991	+	new ThreadPoolExecutor(2, 2,
1992	+	1000, MILLISECONDS,
1993	+	new ArrayBlockingQueue<Runnable>(10));
1994	+	assertFalse(p.allowsCoreThreadTimeOut());
1995	+	joinPool(p);
1996	+	}
1997	+
1998	+	/**
1999	+	* allowCoreThreadTimeOut(true) causes idle threads to time out
2000	+	*/
2001	+	public void testAllowCoreThreadTimeOut_true() throws Exception {
2002	+	long keepAliveTime = timeoutMillis();
2003	+	final ThreadPoolExecutor p =
2004	+	new ThreadPoolExecutor(2, 10,
2005	+	keepAliveTime, MILLISECONDS,
2006	+	new ArrayBlockingQueue<Runnable>(10));
2007	+	final CountDownLatch threadStarted = new CountDownLatch(1);
2008	+	try {
2009	+	p.allowCoreThreadTimeOut(true);
2010	+	p.execute(new CheckedRunnable() {
2011	+	public void realRun() {
2012	+	threadStarted.countDown();
2013	+	assertEquals(1, p.getPoolSize());
2014	+	}});
2015	+	await(threadStarted);
2016	+	delay(keepAliveTime);
2017	+	long startTime = System.nanoTime();
2018	+	while (p.getPoolSize() > 0
2019	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2020	+	Thread.yield();
2021	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2022	+	assertEquals(0, p.getPoolSize());
2023	+	} finally {
2024	+	joinPool(p);
2025	+	}
2026	+	}
2027	+
2028	+	/**
2029	+	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2030	+	*/
2031	+	public void testAllowCoreThreadTimeOut_false() throws Exception {
2032	+	long keepAliveTime = timeoutMillis();
2033	+	final ThreadPoolExecutor p =
2034	+	new ThreadPoolExecutor(2, 10,
2035	+	keepAliveTime, MILLISECONDS,
2036	+	new ArrayBlockingQueue<Runnable>(10));
2037	+	final CountDownLatch threadStarted = new CountDownLatch(1);
2038	+	try {
2039	+	p.allowCoreThreadTimeOut(false);
2040	+	p.execute(new CheckedRunnable() {
2041	+	public void realRun() throws InterruptedException {
2042	+	threadStarted.countDown();
2043	+	assertTrue(p.getPoolSize() >= 1);
2044	+	}});
2045	+	delay(2 * keepAliveTime);
2046	+	assertTrue(p.getPoolSize() >= 1);
2047	+	} finally {
2048	+	joinPool(p);
2049	+	}
2050	+	}
2051	+
2052	+	/**
2053	+	* execute allows the same task to be submitted multiple times, even
2054	+	* if rejected
2055	+	*/
2056	+	public void testRejectedRecycledTask() throws InterruptedException {
2057	+	final int nTasks = 1000;
2058	+	final CountDownLatch done = new CountDownLatch(nTasks);
2059	+	final Runnable recycledTask = new Runnable() {
2060	+	public void run() {
2061	+	done.countDown();
2062	+	}};
2063	+	final ThreadPoolExecutor p =
2064	+	new ThreadPoolExecutor(1, 30,
2065	+	60, SECONDS,
2066	+	new ArrayBlockingQueue(30));
2067	+	try {
2068	+	for (int i = 0; i < nTasks; ++i) {
2069	+	for (;;) {
2070	+	try {
2071	+	p.execute(recycledTask);
2072	+	break;
2073	+	}
2074	+	catch (RejectedExecutionException ignore) {}
2075	+	}
2076	+	}
2077	+	// enough time to run all tasks
2078	+	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2079	+	} finally {
2080	+	joinPool(p);
2081	+	}
2082	+	}
2083	+
2084	+	/**
2085	+	* get(cancelled task) throws CancellationException
2086	+	*/
2087	+	public void testGet_cancelled() throws Exception {
2088	+	final ExecutorService e =
2089	+	new ThreadPoolExecutor(1, 1,
2090	+	LONG_DELAY_MS, MILLISECONDS,
2091	+	new LinkedBlockingQueue<Runnable>());
2092	+	try {
2093	+	final CountDownLatch blockerStarted = new CountDownLatch(1);
2094	+	final CountDownLatch done = new CountDownLatch(1);
2095	+	final List<Future<?>> futures = new ArrayList<>();
2096	+	for (int i = 0; i < 2; i++) {
2097	+	Runnable r = new CheckedRunnable() { public void realRun()
2098	+	throws Throwable {
2099	+	blockerStarted.countDown();
2100	+	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2101	+	}};
2102	+	futures.add(e.submit(r));
2103	+	}
2104	+	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2105	+	for (Future<?> future : futures) future.cancel(false);
2106	+	for (Future<?> future : futures) {
2107	+	try {
2108	+	future.get();
2109	+	shouldThrow();
2110	+	} catch (CancellationException success) {}
2111	+	try {
2112	+	future.get(LONG_DELAY_MS, MILLISECONDS);
2113	+	shouldThrow();
2114	+	} catch (CancellationException success) {}
2115	+	assertTrue(future.isCancelled());
2116	+	assertTrue(future.isDone());
2117	+	}
2118	+	done.countDown();
2119	+	} finally {
2120	+	joinPool(e);
2121	+	}
2122	+	}
2123	+
2124		}

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