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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.11 by dl, Thu Dec 4 20:54:46 2003 UTC vs.
Revision 1.83 by jsr166, Sun Oct 4 02:29:46 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));
87	<	try {
88	<	p1.execute(new Runnable() {
89	<	public void run() {
90	<	try {
91	<	Thread.sleep(SHORT_DELAY_MS);
92	<	} catch(InterruptedException e){
93	<	threadUnexpectedException();
94	<	}
95	<	}
96	<	});
53	<	Thread.sleep(SMALL_DELAY_MS);
54	<	} catch(InterruptedException e){
55	<	unexpectedException();
56	<	}
57	<	joinPool(p1);
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	try (PoolCleaner cleaner = cleaner(p)) {
91	>	final CountDownLatch done = new CountDownLatch(1);
92	>	final Runnable task = new CheckedRunnable() {
93	>	public void realRun() { done.countDown(); }};
94	>	p.execute(task);
95	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96	>	}
97		}
98
99		/**
100	<	*  getActiveCount increases but doesn't overestimate, when a
101	<	*  thread becomes active
100	>	* getActiveCount increases but doesn't overestimate, when a
101	>	* thread becomes active
102		*/
103	<	public void testGetActiveCount() {
104	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
105	<	assertEquals(0, p2.getActiveCount());
106	<	p2.execute(new MediumRunnable());
107	<	try {
108	<	Thread.sleep(SHORT_DELAY_MS);
109	<	} catch(Exception e){
110	<	unexpectedException();
103	>	public void testGetActiveCount() throws InterruptedException {
104	>	final ThreadPoolExecutor p =
105	>	new ThreadPoolExecutor(2, 2,
106	>	LONG_DELAY_MS, MILLISECONDS,
107	>	new ArrayBlockingQueue<Runnable>(10));
108	>	try (PoolCleaner cleaner = cleaner(p)) {
109	>	final CountDownLatch threadStarted = new CountDownLatch(1);
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	assertEquals(0, p.getActiveCount());
112	>	p.execute(new CheckedRunnable() {
113	>	public void realRun() throws InterruptedException {
114	>	threadStarted.countDown();
115	>	assertEquals(1, p.getActiveCount());
116	>	done.await();
117	>	}});
118	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119	>	assertEquals(1, p.getActiveCount());
120	>	done.countDown();
121		}
73	–	assertEquals(1, p2.getActiveCount());
74	–	joinPool(p2);
122		}
123
124		/**
125	<	*  prestartCoreThread starts a thread if under corePoolSize, else doesn't
125	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
126		*/
127		public void testPrestartCoreThread() {
128	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129	<	assertEquals(0, p2.getPoolSize());
130	<	assertTrue(p2.prestartCoreThread());
131	<	assertEquals(1, p2.getPoolSize());
132	<	assertTrue(p2.prestartCoreThread());
133	<	assertEquals(2, p2.getPoolSize());
134	<	assertFalse(p2.prestartCoreThread());
135	<	assertEquals(2, p2.getPoolSize());
136	<	joinPool(p2);
128	>	final ThreadPoolExecutor p =
129	>	new ThreadPoolExecutor(2, 6,
130	>	LONG_DELAY_MS, MILLISECONDS,
131	>	new ArrayBlockingQueue<Runnable>(10));
132	>	try (PoolCleaner cleaner = cleaner(p)) {
133	>	assertEquals(0, p.getPoolSize());
134	>	assertTrue(p.prestartCoreThread());
135	>	assertEquals(1, p.getPoolSize());
136	>	assertTrue(p.prestartCoreThread());
137	>	assertEquals(2, p.getPoolSize());
138	>	assertFalse(p.prestartCoreThread());
139	>	assertEquals(2, p.getPoolSize());
140	>	p.setCorePoolSize(4);
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(3, p.getPoolSize());
143	>	assertTrue(p.prestartCoreThread());
144	>	assertEquals(4, p.getPoolSize());
145	>	assertFalse(p.prestartCoreThread());
146	>	assertEquals(4, p.getPoolSize());
147	>	}
148		}
149
150		/**
151	<	*  prestartAllCoreThreads starts all corePoolSize threads
151	>	* prestartAllCoreThreads starts all corePoolSize threads
152		*/
153		public void testPrestartAllCoreThreads() {
154	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155	<	assertEquals(0, p2.getPoolSize());
156	<	p2.prestartAllCoreThreads();
157	<	assertEquals(2, p2.getPoolSize());
158	<	p2.prestartAllCoreThreads();
159	<	assertEquals(2, p2.getPoolSize());
160	<	joinPool(p2);
161	<	}
162	<
163	<	/**
164	<	*   getCompletedTaskCount increases, but doesn't overestimate,
165	<	*   when tasks complete
166	<	*/
167	<	public void testGetCompletedTaskCount() {
168	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169	<	assertEquals(0, p2.getCompletedTaskCount());
170	<	p2.execute(new ShortRunnable());
171	<	try {
172	<	Thread.sleep(SMALL_DELAY_MS);
173	<	} catch(Exception e){
174	<	unexpectedException();
175	<	}
176	<	assertEquals(1, p2.getCompletedTaskCount());
177	<	p2.shutdown();
178	<	joinPool(p2);
154	>	final ThreadPoolExecutor p =
155	>	new ThreadPoolExecutor(2, 6,
156	>	LONG_DELAY_MS, MILLISECONDS,
157	>	new ArrayBlockingQueue<Runnable>(10));
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	assertEquals(0, p.getPoolSize());
160	>	p.prestartAllCoreThreads();
161	>	assertEquals(2, p.getPoolSize());
162	>	p.prestartAllCoreThreads();
163	>	assertEquals(2, p.getPoolSize());
164	>	p.setCorePoolSize(4);
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(4, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(4, p.getPoolSize());
169	>	}
170	>	}
171	>
172	>	/**
173	>	* getCompletedTaskCount increases, but doesn't overestimate,
174	>	* when tasks complete
175	>	*/
176	>	public void testGetCompletedTaskCount() throws InterruptedException {
177	>	final ThreadPoolExecutor p =
178	>	new ThreadPoolExecutor(2, 2,
179	>	LONG_DELAY_MS, MILLISECONDS,
180	>	new ArrayBlockingQueue<Runnable>(10));
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final CountDownLatch threadStarted = new CountDownLatch(1);
183	>	final CountDownLatch threadProceed = new CountDownLatch(1);
184	>	final CountDownLatch threadDone = new CountDownLatch(1);
185	>	assertEquals(0, p.getCompletedTaskCount());
186	>	p.execute(new CheckedRunnable() {
187	>	public void realRun() throws InterruptedException {
188	>	threadStarted.countDown();
189	>	assertEquals(0, p.getCompletedTaskCount());
190	>	threadProceed.await();
191	>	threadDone.countDown();
192	>	}});
193	>	await(threadStarted);
194	>	assertEquals(0, p.getCompletedTaskCount());
195	>	threadProceed.countDown();
196	>	threadDone.await();
197	>	long startTime = System.nanoTime();
198	>	while (p.getCompletedTaskCount() != 1) {
199	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200	>	fail("timed out");
201	>	Thread.yield();
202	>	}
203	>	}
204		}
205	<
205	>
206		/**
207	<	*   getCorePoolSize returns size given in constructor if not otherwise set
207	>	* getCorePoolSize returns size given in constructor if not otherwise set
208		*/
209		public void testGetCorePoolSize() {
210	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211	<	assertEquals(1, p1.getCorePoolSize());
212	<	joinPool(p1);
210	>	final ThreadPoolExecutor p =
211	>	new ThreadPoolExecutor(1, 1,
212	>	LONG_DELAY_MS, MILLISECONDS,
213	>	new ArrayBlockingQueue<Runnable>(10));
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(1, p.getCorePoolSize());
216	>	}
217		}
218	<
218	>
219		/**
220	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
220	>	* getKeepAliveTime returns value given in constructor if not otherwise set
221		*/
222		public void testGetKeepAliveTime() {
223	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
225	<	joinPool(p2);
223	>	final ThreadPoolExecutor p =
224	>	new ThreadPoolExecutor(2, 2,
225	>	1000, MILLISECONDS,
226	>	new ArrayBlockingQueue<Runnable>(10));
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
229	>	}
230		}
231
232	<
142	<	/**
232	>	/**
233		* getThreadFactory returns factory in constructor if not set
234		*/
235		public void testGetThreadFactory() {
236	<	ThreadFactory tf = new SimpleThreadFactory();
237	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
238	<	assertSame(tf, p.getThreadFactory());
239	<	p.shutdown();
240	<	joinPool(p);
236	>	ThreadFactory threadFactory = new SimpleThreadFactory();
237	>	final ThreadPoolExecutor p =
238	>	new ThreadPoolExecutor(1, 2,
239	>	LONG_DELAY_MS, MILLISECONDS,
240	>	new ArrayBlockingQueue<Runnable>(10),
241	>	threadFactory,
242	>	new NoOpREHandler());
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertSame(threadFactory, p.getThreadFactory());
245	>	}
246		}
247
248	<	/**
248	>	/**
249		* setThreadFactory sets the thread factory returned by getThreadFactory
250		*/
251		public void testSetThreadFactory() {
252	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253	<	ThreadFactory tf = new SimpleThreadFactory();
254	<	p.setThreadFactory(tf);
255	<	assertSame(tf, p.getThreadFactory());
256	<	p.shutdown();
257	<	joinPool(p);
252	>	final ThreadPoolExecutor p =
253	>	new ThreadPoolExecutor(1, 2,
254	>	LONG_DELAY_MS, MILLISECONDS,
255	>	new ArrayBlockingQueue<Runnable>(10));
256	>	try (PoolCleaner cleaner = cleaner(p)) {
257	>	ThreadFactory threadFactory = new SimpleThreadFactory();
258	>	p.setThreadFactory(threadFactory);
259	>	assertSame(threadFactory, p.getThreadFactory());
260	>	}
261		}
262
263	<
166	<	/**
263	>	/**
264		* setThreadFactory(null) throws NPE
265		*/
266		public void testSetThreadFactoryNull() {
267	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268	<	try {
269	<	p.setThreadFactory(null);
270	<	shouldThrow();
271	<	} catch (NullPointerException success) {
272	<	} finally {
273	<	joinPool(p);
267	>	final ThreadPoolExecutor p =
268	>	new ThreadPoolExecutor(1, 2,
269	>	LONG_DELAY_MS, MILLISECONDS,
270	>	new ArrayBlockingQueue<Runnable>(10));
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	p.setThreadFactory(null);
274	>	shouldThrow();
275	>	} catch (NullPointerException success) {}
276		}
277		}
278
279	<	/**
279	>	/**
280		* getRejectedExecutionHandler returns handler in constructor if not set
281		*/
282		public void testGetRejectedExecutionHandler() {
283	<	RejectedExecutionHandler h = new NoOpREHandler();
284	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
285	<	assertSame(h, p.getRejectedExecutionHandler());
286	<	p.shutdown();
287	<	joinPool(p);
283	>	final RejectedExecutionHandler handler = new NoOpREHandler();
284	>	final ThreadPoolExecutor p =
285	>	new ThreadPoolExecutor(1, 2,
286	>	LONG_DELAY_MS, MILLISECONDS,
287	>	new ArrayBlockingQueue<Runnable>(10),
288	>	handler);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertSame(handler, p.getRejectedExecutionHandler());
291	>	}
292		}
293
294	<	/**
294	>	/**
295		* setRejectedExecutionHandler sets the handler returned by
296		* getRejectedExecutionHandler
297		*/
298		public void testSetRejectedExecutionHandler() {
299	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300	<	RejectedExecutionHandler h = new NoOpREHandler();
301	<	p.setRejectedExecutionHandler(h);
302	<	assertSame(h, p.getRejectedExecutionHandler());
303	<	p.shutdown();
304	<	joinPool(p);
299	>	final ThreadPoolExecutor p =
300	>	new ThreadPoolExecutor(1, 2,
301	>	LONG_DELAY_MS, MILLISECONDS,
302	>	new ArrayBlockingQueue<Runnable>(10));
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	RejectedExecutionHandler handler = new NoOpREHandler();
305	>	p.setRejectedExecutionHandler(handler);
306	>	assertSame(handler, p.getRejectedExecutionHandler());
307	>	}
308		}
309
310	<
205	<	/**
310	>	/**
311		* setRejectedExecutionHandler(null) throws NPE
312		*/
313		public void testSetRejectedExecutionHandlerNull() {
314	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315	<	try {
316	<	p.setRejectedExecutionHandler(null);
317	<	shouldThrow();
318	<	} catch (NullPointerException success) {
319	<	} finally {
320	<	joinPool(p);
314	>	final ThreadPoolExecutor p =
315	>	new ThreadPoolExecutor(1, 2,
316	>	LONG_DELAY_MS, MILLISECONDS,
317	>	new ArrayBlockingQueue<Runnable>(10));
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.setRejectedExecutionHandler(null);
321	>	shouldThrow();
322	>	} catch (NullPointerException success) {}
323		}
324		}
325
219	–
326		/**
327	<	*   getLargestPoolSize increases, but doesn't overestimate, when
328	<	*   multiple threads active
329	<	*/
330	<	public void testGetLargestPoolSize() {
331	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332	<	try {
333	<	assertEquals(0, p2.getLargestPoolSize());
334	<	p2.execute(new MediumRunnable());
335	<	p2.execute(new MediumRunnable());
336	<	Thread.sleep(SHORT_DELAY_MS);
337	<	assertEquals(2, p2.getLargestPoolSize());
338	<	} catch(Exception e){
339	<	unexpectedException();
340	<	}
341	<	joinPool(p2);
327	>	* getLargestPoolSize increases, but doesn't overestimate, when
328	>	* multiple threads active
329	>	*/
330	>	public void testGetLargestPoolSize() throws InterruptedException {
331	>	final int THREADS = 3;
332	>	final ThreadPoolExecutor p =
333	>	new ThreadPoolExecutor(THREADS, THREADS,
334	>	LONG_DELAY_MS, MILLISECONDS,
335	>	new ArrayBlockingQueue<Runnable>(10));
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338	>	final CountDownLatch done = new CountDownLatch(1);
339	>	assertEquals(0, p.getLargestPoolSize());
340	>	for (int i = 0; i < THREADS; i++)
341	>	p.execute(new CheckedRunnable() {
342	>	public void realRun() throws InterruptedException {
343	>	threadsStarted.countDown();
344	>	done.await();
345	>	assertEquals(THREADS, p.getLargestPoolSize());
346	>	}});
347	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348	>	assertEquals(THREADS, p.getLargestPoolSize());
349	>	done.countDown();   // release pool
350	>	}
351	>	assertEquals(THREADS, p.getLargestPoolSize());
352		}
353	<
353	>
354		/**
355	<	*   getMaximumPoolSize returns value given in constructor if not
356	<	*   otherwise set
355	>	* getMaximumPoolSize returns value given in constructor if not
356	>	* otherwise set
357		*/
358		public void testGetMaximumPoolSize() {
359	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360	<	assertEquals(2, p2.getMaximumPoolSize());
361	<	joinPool(p2);
362	<	}
363	<
364	<	/**
365	<	*   getPoolSize increases, but doesn't overestimate, when threads
366	<	*   become active
367	<	*/
368	<	public void testGetPoolSize() {
369	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
370	<	assertEquals(0, p1.getPoolSize());
371	<	p1.execute(new MediumRunnable());
372	<	assertEquals(1, p1.getPoolSize());
373	<	joinPool(p1);
359	>	final ThreadPoolExecutor p =
360	>	new ThreadPoolExecutor(2, 3,
361	>	LONG_DELAY_MS, MILLISECONDS,
362	>	new ArrayBlockingQueue<Runnable>(10));
363	>	try (PoolCleaner cleaner = cleaner(p)) {
364	>	assertEquals(3, p.getMaximumPoolSize());
365	>	p.setMaximumPoolSize(5);
366	>	assertEquals(5, p.getMaximumPoolSize());
367	>	p.setMaximumPoolSize(4);
368	>	assertEquals(4, p.getMaximumPoolSize());
369	>	}
370	>	}
371	>
372	>	/**
373	>	* getPoolSize increases, but doesn't overestimate, when threads
374	>	* become active
375	>	*/
376	>	public void testGetPoolSize() throws InterruptedException {
377	>	final ThreadPoolExecutor p =
378	>	new ThreadPoolExecutor(1, 1,
379	>	LONG_DELAY_MS, MILLISECONDS,
380	>	new ArrayBlockingQueue<Runnable>(10));
381	>	try (PoolCleaner cleaner = cleaner(p)) {
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	assertEquals(0, p.getPoolSize());
385	>	p.execute(new CheckedRunnable() {
386	>	public void realRun() throws InterruptedException {
387	>	threadStarted.countDown();
388	>	assertEquals(1, p.getPoolSize());
389	>	done.await();
390	>	}});
391	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392	>	assertEquals(1, p.getPoolSize());
393	>	done.countDown();   // release pool
394	>	}
395	>	}
396	>
397	>	/**
398	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
399	>	*/
400	>	public void testGetTaskCount() throws InterruptedException {
401	>	final ThreadPoolExecutor p =
402	>	new ThreadPoolExecutor(1, 1,
403	>	LONG_DELAY_MS, MILLISECONDS,
404	>	new ArrayBlockingQueue<Runnable>(10));
405	>	try (PoolCleaner cleaner = cleaner(p)) {
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch done = new CountDownLatch(1);
408	>	assertEquals(0, p.getTaskCount());
409	>	p.execute(new CheckedRunnable() {
410	>	public void realRun() throws InterruptedException {
411	>	threadStarted.countDown();
412	>	assertEquals(1, p.getTaskCount());
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416	>	assertEquals(1, p.getTaskCount());
417	>	done.countDown();
418	>	}
419		}
420	<
420	>
421		/**
422	<	*  getTaskCount increases, but doesn't overestimate, when tasks submitted
422	>	* isShutdown is false before shutdown, true after
423		*/
424	<	public void testGetTaskCount() {
425	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426	<	try {
427	<	assertEquals(0, p1.getTaskCount());
428	<	p1.execute(new MediumRunnable());
429	<	Thread.sleep(SHORT_DELAY_MS);
430	<	assertEquals(1, p1.getTaskCount());
431	<	} catch(Exception e){
432	<	unexpectedException();
433	<	}
273	<	joinPool(p1);
424	>	public void testIsShutdown() {
425	>	final ThreadPoolExecutor p =
426	>	new ThreadPoolExecutor(1, 1,
427	>	LONG_DELAY_MS, MILLISECONDS,
428	>	new ArrayBlockingQueue<Runnable>(10));
429	>	try (PoolCleaner cleaner = cleaner(p)) {
430	>	assertFalse(p.isShutdown());
431	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
432	>	assertTrue(p.isShutdown());
433	>	}
434		}
435	<
435	>
436		/**
437	<	*   isShutDown is false before shutdown, true after
438	<	*/
439	<	public void testIsShutdown() {
440	<
441	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
442	<	assertFalse(p1.isShutdown());
443	<	p1.shutdown();
444	<	assertTrue(p1.isShutdown());
445	<	joinPool(p1);
437	>	* awaitTermination on a non-shutdown pool times out
438	>	*/
439	>	public void testAwaitTermination_timesOut() throws InterruptedException {
440	>	final ThreadPoolExecutor p =
441	>	new ThreadPoolExecutor(1, 1,
442	>	LONG_DELAY_MS, MILLISECONDS,
443	>	new ArrayBlockingQueue<Runnable>(10));
444	>	assertFalse(p.isTerminated());
445	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
446	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
447	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
448	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
449	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
450	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
451	>	long timeoutNanos = 999999L;
452	>	long startTime = System.nanoTime();
453	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
454	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
455	>	assertFalse(p.isTerminated());
456	>	startTime = System.nanoTime();
457	>	long timeoutMillis = timeoutMillis();
458	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
459	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
460	>	assertFalse(p.isTerminated());
461	>	p.shutdown();
462	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
463	>	assertTrue(p.isTerminated());
464		}
465
288	–
466		/**
467	<	*  isTerminated is false before termination, true after
467	>	* isTerminated is false before termination, true after
468		*/
469	<	public void testIsTerminated() {
470	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
471	<	assertFalse(p1.isTerminated());
472	<	try {
473	<	p1.execute(new MediumRunnable());
474	<	} finally {
475	<	p1.shutdown();
469	>	public void testIsTerminated() 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	>	final CountDownLatch threadStarted = new CountDownLatch(1);
476	>	final CountDownLatch done = new CountDownLatch(1);
477	>	assertFalse(p.isTerminating());
478	>	p.execute(new CheckedRunnable() {
479	>	public void realRun() throws InterruptedException {
480	>	assertFalse(p.isTerminating());
481	>	threadStarted.countDown();
482	>	done.await();
483	>	}});
484	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
485	>	assertFalse(p.isTerminating());
486	>	done.countDown();
487	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
488	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
489	>	assertTrue(p.isTerminated());
490	>	assertFalse(p.isTerminating());
491		}
300	–	try {
301	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
302	–	assertTrue(p1.isTerminated());
303	–	} catch(Exception e){
304	–	unexpectedException();
305	–	}
492		}
493
494		/**
495	<	*  isTerminating is not true when running or when terminated
496	<	*/
497	<	public void testIsTerminating() {
498	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
499	<	assertFalse(p1.isTerminating());
500	<	try {
501	<	p1.execute(new SmallRunnable());
502	<	assertFalse(p1.isTerminating());
495	>	* isTerminating is not true when running or when terminated
496	>	*/
497	>	public void testIsTerminating() throws InterruptedException {
498	>	final ThreadPoolExecutor p =
499	>	new ThreadPoolExecutor(1, 1,
500	>	LONG_DELAY_MS, MILLISECONDS,
501	>	new ArrayBlockingQueue<Runnable>(10));
502	>	final CountDownLatch threadStarted = new CountDownLatch(1);
503	>	final CountDownLatch done = new CountDownLatch(1);
504	>	try {
505	>	assertFalse(p.isTerminating());
506	>	p.execute(new CheckedRunnable() {
507	>	public void realRun() throws InterruptedException {
508	>	assertFalse(p.isTerminating());
509	>	threadStarted.countDown();
510	>	done.await();
511	>	}});
512	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
513	>	assertFalse(p.isTerminating());
514	>	done.countDown();
515		} finally {
516	<	p1.shutdown();
516	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
517		}
518	<	try {
519	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
520	<	assertTrue(p1.isTerminated());
323	<	assertFalse(p1.isTerminating());
324	<	} catch(Exception e){
325	<	unexpectedException();
326	<	}
518	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519	>	assertTrue(p.isTerminated());
520	>	assertFalse(p.isTerminating());
521		}
522
523		/**
524		* getQueue returns the work queue, which contains queued tasks
525		*/
526	<	public void testGetQueue() {
527	<	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
528	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
529	<	FutureTask[] tasks = new FutureTask[5];
530	<	for(int i = 0; i < 5; i++){
531	<	tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
532	<	p1.execute(tasks[i]);
533	<	}
534	<	try {
535	<	Thread.sleep(SHORT_DELAY_MS);
536	<	BlockingQueue<Runnable> wq = p1.getQueue();
537	<	assertSame(q, wq);
538	<	assertFalse(wq.contains(tasks[0]));
539	<	assertTrue(wq.contains(tasks[4]));
540	<	p1.shutdownNow();
541	<	} catch(Exception e) {
542	<	unexpectedException();
526	>	public void testGetQueue() throws InterruptedException {
527	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
528	>	final ThreadPoolExecutor p =
529	>	new ThreadPoolExecutor(1, 1,
530	>	LONG_DELAY_MS, MILLISECONDS,
531	>	q);
532	>	final CountDownLatch threadStarted = new CountDownLatch(1);
533	>	final CountDownLatch done = new CountDownLatch(1);
534	>	try {
535	>	FutureTask[] tasks = new FutureTask[5];
536	>	for (int i = 0; i < tasks.length; i++) {
537	>	Callable task = new CheckedCallable<Boolean>() {
538	>	public Boolean realCall() throws InterruptedException {
539	>	threadStarted.countDown();
540	>	assertSame(q, p.getQueue());
541	>	done.await();
542	>	return Boolean.TRUE;
543	>	}};
544	>	tasks[i] = new FutureTask(task);
545	>	p.execute(tasks[i]);
546	>	}
547	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
548	>	assertSame(q, p.getQueue());
549	>	assertFalse(q.contains(tasks[0]));
550	>	assertTrue(q.contains(tasks[tasks.length - 1]));
551	>	assertEquals(tasks.length - 1, q.size());
552		} finally {
553	<	joinPool(p1);
553	>	done.countDown();
554	>	joinPool(p);
555		}
556		}
557
558		/**
559		* remove(task) removes queued task, and fails to remove active task
560		*/
561	<	public void testRemove() {
561	>	public void testRemove() throws InterruptedException {
562		BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
563	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
564	<	FutureTask[] tasks = new FutureTask[5];
565	<	for(int i = 0; i < 5; i++){
566	<	tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
567	<	p1.execute(tasks[i]);
568	<	}
569	<	try {
570	<	Thread.sleep(SHORT_DELAY_MS);
571	<	assertFalse(p1.remove(tasks[0]));
563	>	final ThreadPoolExecutor p =
564	>	new ThreadPoolExecutor(1, 1,
565	>	LONG_DELAY_MS, MILLISECONDS,
566	>	q);
567	>	Runnable[] tasks = new Runnable[5];
568	>	final CountDownLatch threadStarted = new CountDownLatch(1);
569	>	final CountDownLatch done = new CountDownLatch(1);
570	>	try {
571	>	for (int i = 0; i < tasks.length; i++) {
572	>	tasks[i] = new CheckedRunnable() {
573	>	public void realRun() throws InterruptedException {
574	>	threadStarted.countDown();
575	>	done.await();
576	>	}};
577	>	p.execute(tasks[i]);
578	>	}
579	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
580	>	assertFalse(p.remove(tasks[0]));
581		assertTrue(q.contains(tasks[4]));
582		assertTrue(q.contains(tasks[3]));
583	<	assertTrue(p1.remove(tasks[4]));
584	<	assertFalse(p1.remove(tasks[4]));
583	>	assertTrue(p.remove(tasks[4]));
584	>	assertFalse(p.remove(tasks[4]));
585		assertFalse(q.contains(tasks[4]));
586		assertTrue(q.contains(tasks[3]));
587	<	assertTrue(p1.remove(tasks[3]));
587	>	assertTrue(p.remove(tasks[3]));
588		assertFalse(q.contains(tasks[3]));
376	–	p1.shutdownNow();
377	–	} catch(Exception e) {
378	–	unexpectedException();
589		} finally {
590	<	joinPool(p1);
590	>	done.countDown();
591	>	joinPool(p);
592		}
593		}
594
595		/**
596	<	*   purge removes cancelled tasks from the queue
596	>	* purge removes cancelled tasks from the queue
597		*/
598	<	public void testPurge() {
599	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
598	>	public void testPurge() throws InterruptedException {
599	>	final CountDownLatch threadStarted = new CountDownLatch(1);
600	>	final CountDownLatch done = new CountDownLatch(1);
601	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
602	>	final ThreadPoolExecutor p =
603	>	new ThreadPoolExecutor(1, 1,
604	>	LONG_DELAY_MS, MILLISECONDS,
605	>	q);
606		FutureTask[] tasks = new FutureTask[5];
607	<	for(int i = 0; i < 5; i++){
608	<	tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
609	<	p1.execute(tasks[i]);
607	>	try {
608	>	for (int i = 0; i < tasks.length; i++) {
609	>	Callable task = new CheckedCallable<Boolean>() {
610	>	public Boolean realCall() throws InterruptedException {
611	>	threadStarted.countDown();
612	>	done.await();
613	>	return Boolean.TRUE;
614	>	}};
615	>	tasks[i] = new FutureTask(task);
616	>	p.execute(tasks[i]);
617	>	}
618	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
619	>	assertEquals(tasks.length, p.getTaskCount());
620	>	assertEquals(tasks.length - 1, q.size());
621	>	assertEquals(1L, p.getActiveCount());
622	>	assertEquals(0L, p.getCompletedTaskCount());
623	>	tasks[4].cancel(true);
624	>	tasks[3].cancel(false);
625	>	p.purge();
626	>	assertEquals(tasks.length - 3, q.size());
627	>	assertEquals(tasks.length - 2, p.getTaskCount());
628	>	p.purge();         // Nothing to do
629	>	assertEquals(tasks.length - 3, q.size());
630	>	assertEquals(tasks.length - 2, p.getTaskCount());
631	>	} finally {
632	>	done.countDown();
633	>	joinPool(p);
634		}
394	–	tasks[4].cancel(true);
395	–	tasks[3].cancel(true);
396	–	p1.purge();
397	–	long count = p1.getTaskCount();
398	–	assertTrue(count >= 2 && count < 5);
399	–	p1.shutdownNow();
400	–	joinPool(p1);
635		}
636
637		/**
638	<	*  shutDownNow returns a list containing tasks that were not run
638	>	* shutdownNow returns a list containing tasks that were not run,
639	>	* and those tasks are drained from the queue
640		*/
641	<	public void testShutDownNow() {
642	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
643	<	List l;
644	<	try {
645	<	for(int i = 0; i < 5; i++)
646	<	p1.execute(new MediumPossiblyInterruptedRunnable());
647	<	}
648	<	finally {
649	<	l = p1.shutdownNow();
650	<	}
651	<	assertTrue(p1.isShutdown());
652	<	assertTrue(l.size() <= 4);
641	>	public void testShutdownNow() throws InterruptedException {
642	>	final int poolSize = 2;
643	>	final int count = 5;
644	>	final AtomicInteger ran = new AtomicInteger(0);
645	>	final ThreadPoolExecutor p =
646	>	new ThreadPoolExecutor(poolSize, poolSize,
647	>	LONG_DELAY_MS, MILLISECONDS,
648	>	new ArrayBlockingQueue<Runnable>(10));
649	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
650	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
651	>	threadsStarted.countDown();
652	>	try {
653	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
654	>	} catch (InterruptedException success) {}
655	>	ran.getAndIncrement();
656	>	}};
657	>	for (int i = 0; i < count; i++)
658	>	p.execute(waiter);
659	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
660	>	assertEquals(poolSize, p.getActiveCount());
661	>	assertEquals(0, p.getCompletedTaskCount());
662	>	final List<Runnable> queuedTasks;
663	>	try {
664	>	queuedTasks = p.shutdownNow();
665	>	} catch (SecurityException ok) {
666	>	return; // Allowed in case test doesn't have privs
667	>	}
668	>	assertTrue(p.isShutdown());
669	>	assertTrue(p.getQueue().isEmpty());
670	>	assertEquals(count - poolSize, queuedTasks.size());
671	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
672	>	assertTrue(p.isTerminated());
673	>	assertEquals(poolSize, ran.get());
674	>	assertEquals(poolSize, p.getCompletedTaskCount());
675		}
676
677		// Exception Tests
421	–
678
679	<	/**
680	<	* Constructor throws if corePoolSize argument is less than zero
679	>	/**
680	>	* Constructor throws if corePoolSize argument is less than zero
681		*/
682		public void testConstructor1() {
683		try {
684	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
684	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
685	>	new ArrayBlockingQueue<Runnable>(10));
686		shouldThrow();
687	<	}
431	<	catch (IllegalArgumentException success){}
687	>	} catch (IllegalArgumentException success) {}
688		}
689	<
690	<	/**
691	<	* Constructor throws if maximumPoolSize is less than zero
689	>
690	>	/**
691	>	* Constructor throws if maximumPoolSize is less than zero
692		*/
693		public void testConstructor2() {
694		try {
695	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
695	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
696	>	new ArrayBlockingQueue<Runnable>(10));
697		shouldThrow();
698	<	}
442	<	catch (IllegalArgumentException success){}
698	>	} catch (IllegalArgumentException success) {}
699		}
700	<
701	<	/**
702	<	* Constructor throws if maximumPoolSize is equal to zero
700	>
701	>	/**
702	>	* Constructor throws if maximumPoolSize is equal to zero
703		*/
704		public void testConstructor3() {
705		try {
706	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
706	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
707	>	new ArrayBlockingQueue<Runnable>(10));
708		shouldThrow();
709	<	}
453	<	catch (IllegalArgumentException success){}
709	>	} catch (IllegalArgumentException success) {}
710		}
711
712	<	/**
713	<	* Constructor throws if keepAliveTime is less than zero
712	>	/**
713	>	* Constructor throws if keepAliveTime is less than zero
714		*/
715		public void testConstructor4() {
716		try {
717	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
717	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
718	>	new ArrayBlockingQueue<Runnable>(10));
719		shouldThrow();
720	<	}
464	<	catch (IllegalArgumentException success){}
720	>	} catch (IllegalArgumentException success) {}
721		}
722
723	<	/**
724	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
723	>	/**
724	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
725		*/
726		public void testConstructor5() {
727		try {
728	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
728	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
729	>	new ArrayBlockingQueue<Runnable>(10));
730		shouldThrow();
731	<	}
475	<	catch (IllegalArgumentException success){}
731	>	} catch (IllegalArgumentException success) {}
732		}
733	<
734	<	/**
735	<	* Constructor throws if workQueue is set to null
733	>
734	>	/**
735	>	* Constructor throws if workQueue is set to null
736		*/
737		public void testConstructorNullPointerException() {
738		try {
739	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
739	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
740	>	(BlockingQueue) null);
741		shouldThrow();
742	<	}
486	<	catch (NullPointerException success){}
742	>	} catch (NullPointerException success) {}
743		}
488	–
744
745	<
746	<	/**
492	<	* Constructor throws if corePoolSize argument is less than zero
745	>	/**
746	>	* Constructor throws if corePoolSize argument is less than zero
747		*/
748		public void testConstructor6() {
749		try {
750	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
750	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
751	>	new ArrayBlockingQueue<Runnable>(10),
752	>	new SimpleThreadFactory());
753		shouldThrow();
754	<	} catch (IllegalArgumentException success){}
754	>	} catch (IllegalArgumentException success) {}
755		}
756	<
757	<	/**
758	<	* Constructor throws if maximumPoolSize is less than zero
756	>
757	>	/**
758	>	* Constructor throws if maximumPoolSize is less than zero
759		*/
760		public void testConstructor7() {
761		try {
762	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
762	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
763	>	new ArrayBlockingQueue<Runnable>(10),
764	>	new SimpleThreadFactory());
765		shouldThrow();
766	<	}
509	<	catch (IllegalArgumentException success){}
766	>	} catch (IllegalArgumentException success) {}
767		}
768
769	<	/**
770	<	* Constructor throws if maximumPoolSize is equal to zero
769	>	/**
770	>	* Constructor throws if maximumPoolSize is equal to zero
771		*/
772		public void testConstructor8() {
773		try {
774	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
774	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
775	>	new ArrayBlockingQueue<Runnable>(10),
776	>	new SimpleThreadFactory());
777		shouldThrow();
778	<	}
520	<	catch (IllegalArgumentException success){}
778	>	} catch (IllegalArgumentException success) {}
779		}
780
781	<	/**
782	<	* Constructor throws if keepAliveTime is less than zero
781	>	/**
782	>	* Constructor throws if keepAliveTime is less than zero
783		*/
784		public void testConstructor9() {
785		try {
786	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
786	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
787	>	new ArrayBlockingQueue<Runnable>(10),
788	>	new SimpleThreadFactory());
789		shouldThrow();
790	<	}
531	<	catch (IllegalArgumentException success){}
790	>	} catch (IllegalArgumentException success) {}
791		}
792
793	<	/**
794	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
793	>	/**
794	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
795		*/
796		public void testConstructor10() {
797		try {
798	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
798	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
799	>	new ArrayBlockingQueue<Runnable>(10),
800	>	new SimpleThreadFactory());
801		shouldThrow();
802	<	}
542	<	catch (IllegalArgumentException success){}
802	>	} catch (IllegalArgumentException success) {}
803		}
804
805	<	/**
806	<	* Constructor throws if workQueue is set to null
805	>	/**
806	>	* Constructor throws if workQueue is set to null
807		*/
808		public void testConstructorNullPointerException2() {
809		try {
810	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
810	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
811	>	(BlockingQueue) null,
812	>	new SimpleThreadFactory());
813		shouldThrow();
814	<	}
553	<	catch (NullPointerException success){}
814	>	} catch (NullPointerException success) {}
815		}
816
817	<	/**
818	<	* Constructor throws if threadFactory is set to null
817	>	/**
818	>	* Constructor throws if threadFactory is set to null
819		*/
820		public void testConstructorNullPointerException3() {
821		try {
822	<	ThreadFactory f = null;
823	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
822	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
823	>	new ArrayBlockingQueue<Runnable>(10),
824	>	(ThreadFactory) null);
825		shouldThrow();
826	<	}
565	<	catch (NullPointerException success){}
826	>	} catch (NullPointerException success) {}
827		}
828	<
829	<
830	<	/**
570	<	* Constructor throws if corePoolSize argument is less than zero
828	>
829	>	/**
830	>	* Constructor throws if corePoolSize argument is less than zero
831		*/
832		public void testConstructor11() {
833		try {
834	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
834	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
835	>	new ArrayBlockingQueue<Runnable>(10),
836	>	new NoOpREHandler());
837		shouldThrow();
838	<	}
577	<	catch (IllegalArgumentException success){}
838	>	} catch (IllegalArgumentException success) {}
839		}
840
841	<	/**
842	<	* Constructor throws if maximumPoolSize is less than zero
841	>	/**
842	>	* Constructor throws if maximumPoolSize is less than zero
843		*/
844		public void testConstructor12() {
845		try {
846	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
846	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
847	>	new ArrayBlockingQueue<Runnable>(10),
848	>	new NoOpREHandler());
849		shouldThrow();
850	<	}
588	<	catch (IllegalArgumentException success){}
850	>	} catch (IllegalArgumentException success) {}
851		}
852
853	<	/**
854	<	* Constructor throws if maximumPoolSize is equal to zero
853	>	/**
854	>	* Constructor throws if maximumPoolSize is equal to zero
855		*/
856		public void testConstructor13() {
857		try {
858	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
858	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
859	>	new ArrayBlockingQueue<Runnable>(10),
860	>	new NoOpREHandler());
861		shouldThrow();
862	<	}
599	<	catch (IllegalArgumentException success){}
862	>	} catch (IllegalArgumentException success) {}
863		}
864
865	<	/**
866	<	* Constructor throws if keepAliveTime is less than zero
865	>	/**
866	>	* Constructor throws if keepAliveTime is less than zero
867		*/
868		public void testConstructor14() {
869		try {
870	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
870	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
871	>	new ArrayBlockingQueue<Runnable>(10),
872	>	new NoOpREHandler());
873		shouldThrow();
874	<	}
610	<	catch (IllegalArgumentException success){}
874	>	} catch (IllegalArgumentException success) {}
875		}
876
877	<	/**
878	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
877	>	/**
878	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
879		*/
880		public void testConstructor15() {
881		try {
882	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
882	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
883	>	new ArrayBlockingQueue<Runnable>(10),
884	>	new NoOpREHandler());
885		shouldThrow();
886	<	}
621	<	catch (IllegalArgumentException success){}
886	>	} catch (IllegalArgumentException success) {}
887		}
888
889	<	/**
890	<	* Constructor throws if workQueue is set to null
889	>	/**
890	>	* Constructor throws if workQueue is set to null
891		*/
892		public void testConstructorNullPointerException4() {
893		try {
894	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
894	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
895	>	(BlockingQueue) null,
896	>	new NoOpREHandler());
897		shouldThrow();
898	<	}
632	<	catch (NullPointerException success){}
898	>	} catch (NullPointerException success) {}
899		}
900
901	<	/**
902	<	* Constructor throws if handler is set to null
901	>	/**
902	>	* Constructor throws if handler is set to null
903		*/
904		public void testConstructorNullPointerException5() {
905		try {
906	<	RejectedExecutionHandler r = null;
907	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
906	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
907	>	new ArrayBlockingQueue<Runnable>(10),
908	>	(RejectedExecutionHandler) null);
909		shouldThrow();
910	<	}
644	<	catch (NullPointerException success){}
910	>	} catch (NullPointerException success) {}
911		}
912
913	<
914	<	/**
649	<	* Constructor throws if corePoolSize argument is less than zero
913	>	/**
914	>	* Constructor throws if corePoolSize argument is less than zero
915		*/
916		public void testConstructor16() {
917		try {
918	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
918	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
919	>	new ArrayBlockingQueue<Runnable>(10),
920	>	new SimpleThreadFactory(),
921	>	new NoOpREHandler());
922		shouldThrow();
923	<	}
656	<	catch (IllegalArgumentException success){}
923	>	} catch (IllegalArgumentException success) {}
924		}
925
926	<	/**
927	<	* Constructor throws if maximumPoolSize is less than zero
926	>	/**
927	>	* Constructor throws if maximumPoolSize is less than zero
928		*/
929		public void testConstructor17() {
930		try {
931	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
931	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
932	>	new ArrayBlockingQueue<Runnable>(10),
933	>	new SimpleThreadFactory(),
934	>	new NoOpREHandler());
935		shouldThrow();
936	<	}
667	<	catch (IllegalArgumentException success){}
936	>	} catch (IllegalArgumentException success) {}
937		}
938
939	<	/**
940	<	* Constructor throws if maximumPoolSize is equal to zero
939	>	/**
940	>	* Constructor throws if maximumPoolSize is equal to zero
941		*/
942		public void testConstructor18() {
943		try {
944	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
944	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
945	>	new ArrayBlockingQueue<Runnable>(10),
946	>	new SimpleThreadFactory(),
947	>	new NoOpREHandler());
948		shouldThrow();
949	<	}
678	<	catch (IllegalArgumentException success){}
949	>	} catch (IllegalArgumentException success) {}
950		}
951
952	<	/**
953	<	* Constructor throws if keepAliveTime is less than zero
952	>	/**
953	>	* Constructor throws if keepAliveTime is less than zero
954		*/
955		public void testConstructor19() {
956		try {
957	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
957	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
958	>	new ArrayBlockingQueue<Runnable>(10),
959	>	new SimpleThreadFactory(),
960	>	new NoOpREHandler());
961		shouldThrow();
962	<	}
689	<	catch (IllegalArgumentException success){}
962	>	} catch (IllegalArgumentException success) {}
963		}
964
965	<	/**
966	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
965	>	/**
966	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
967		*/
968		public void testConstructor20() {
969		try {
970	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
970	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
971	>	new ArrayBlockingQueue<Runnable>(10),
972	>	new SimpleThreadFactory(),
973	>	new NoOpREHandler());
974		shouldThrow();
975	<	}
700	<	catch (IllegalArgumentException success){}
975	>	} catch (IllegalArgumentException success) {}
976		}
977
978	<	/**
979	<	* Constructor throws if workQueue is set to null
978	>	/**
979	>	* Constructor throws if workQueue is null
980		*/
981		public void testConstructorNullPointerException6() {
982		try {
983	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
983	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
984	>	(BlockingQueue) null,
985	>	new SimpleThreadFactory(),
986	>	new NoOpREHandler());
987		shouldThrow();
988	<	}
711	<	catch (NullPointerException success){}
988	>	} catch (NullPointerException success) {}
989		}
990
991	<	/**
992	<	* Constructor throws if handler is set to null
991	>	/**
992	>	* Constructor throws if handler is null
993		*/
994		public void testConstructorNullPointerException7() {
995		try {
996	<	RejectedExecutionHandler r = null;
997	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
996	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
997	>	new ArrayBlockingQueue<Runnable>(10),
998	>	new SimpleThreadFactory(),
999	>	(RejectedExecutionHandler) null);
1000		shouldThrow();
1001	<	}
723	<	catch (NullPointerException success){}
1001	>	} catch (NullPointerException success) {}
1002		}
1003
1004	<	/**
1005	<	* Constructor throws if ThreadFactory is set top null
1004	>	/**
1005	>	* Constructor throws if ThreadFactory is null
1006		*/
1007		public void testConstructorNullPointerException8() {
1008		try {
1009	<	ThreadFactory f = null;
1010	<	new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1011	<	shouldThrow();
1009	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1010	>	new ArrayBlockingQueue<Runnable>(10),
1011	>	(ThreadFactory) null,
1012	>	new NoOpREHandler());
1013	>	shouldThrow();
1014	>	} catch (NullPointerException success) {}
1015	>	}
1016	>
1017	>	/**
1018	>	* get of submitted callable throws InterruptedException if interrupted
1019	>	*/
1020	>	public void testInterruptedSubmit() throws InterruptedException {
1021	>	final ThreadPoolExecutor p =
1022	>	new ThreadPoolExecutor(1, 1,
1023	>	60, SECONDS,
1024	>	new ArrayBlockingQueue<Runnable>(10));
1025	>
1026	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1027	>	final CountDownLatch done = new CountDownLatch(1);
1028	>	try {
1029	>	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1030	>	public void realRun() throws Exception {
1031	>	Callable task = new CheckedCallable<Boolean>() {
1032	>	public Boolean realCall() throws InterruptedException {
1033	>	threadStarted.countDown();
1034	>	done.await();
1035	>	return Boolean.TRUE;
1036	>	}};
1037	>	p.submit(task).get();
1038	>	}});
1039	>
1040	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1041	>	t.interrupt();
1042	>	awaitTermination(t, MEDIUM_DELAY_MS);
1043	>	} finally {
1044	>	done.countDown();
1045	>	joinPool(p);
1046		}
735	–	catch (NullPointerException successdn8){}
1047		}
737	–
1048
1049		/**
1050	<	*  execute throws RejectedExecutionException
741	<	*  if saturated.
1050	>	* execute throws RejectedExecutionException if saturated.
1051		*/
1052		public void testSaturatedExecute() {
1053	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1054	<	try {
1055	<
1056	<	for(int i = 0; i < 5; ++i){
1057	<	p.execute(new MediumRunnable());
1053	>	ThreadPoolExecutor p =
1054	>	new ThreadPoolExecutor(1, 1,
1055	>	LONG_DELAY_MS, MILLISECONDS,
1056	>	new ArrayBlockingQueue<Runnable>(1));
1057	>	final CountDownLatch done = new CountDownLatch(1);
1058	>	try {
1059	>	Runnable task = new CheckedRunnable() {
1060	>	public void realRun() throws InterruptedException {
1061	>	done.await();
1062	>	}};
1063	>	for (int i = 0; i < 2; ++i)
1064	>	p.execute(task);
1065	>	for (int i = 0; i < 2; ++i) {
1066	>	try {
1067	>	p.execute(task);
1068	>	shouldThrow();
1069	>	} catch (RejectedExecutionException success) {}
1070	>	assertTrue(p.getTaskCount() <= 2);
1071		}
1072	<	shouldThrow();
1073	<	} catch(RejectedExecutionException success){}
1074	<	joinPool(p);
1072	>	} finally {
1073	>	done.countDown();
1074	>	joinPool(p);
1075	>	}
1076	>	}
1077	>
1078	>	/**
1079	>	* submit(runnable) throws RejectedExecutionException if saturated.
1080	>	*/
1081	>	public void testSaturatedSubmitRunnable() {
1082	>	ThreadPoolExecutor p =
1083	>	new ThreadPoolExecutor(1, 1,
1084	>	LONG_DELAY_MS, MILLISECONDS,
1085	>	new ArrayBlockingQueue<Runnable>(1));
1086	>	final CountDownLatch done = new CountDownLatch(1);
1087	>	try {
1088	>	Runnable task = new CheckedRunnable() {
1089	>	public void realRun() throws InterruptedException {
1090	>	done.await();
1091	>	}};
1092	>	for (int i = 0; i < 2; ++i)
1093	>	p.submit(task);
1094	>	for (int i = 0; i < 2; ++i) {
1095	>	try {
1096	>	p.execute(task);
1097	>	shouldThrow();
1098	>	} catch (RejectedExecutionException success) {}
1099	>	assertTrue(p.getTaskCount() <= 2);
1100	>	}
1101	>	} finally {
1102	>	done.countDown();
1103	>	joinPool(p);
1104	>	}
1105	>	}
1106	>
1107	>	/**
1108	>	* submit(callable) throws RejectedExecutionException if saturated.
1109	>	*/
1110	>	public void testSaturatedSubmitCallable() {
1111	>	ThreadPoolExecutor p =
1112	>	new ThreadPoolExecutor(1, 1,
1113	>	LONG_DELAY_MS, MILLISECONDS,
1114	>	new ArrayBlockingQueue<Runnable>(1));
1115	>	final CountDownLatch done = new CountDownLatch(1);
1116	>	try {
1117	>	Runnable task = new CheckedRunnable() {
1118	>	public void realRun() throws InterruptedException {
1119	>	done.await();
1120	>	}};
1121	>	for (int i = 0; i < 2; ++i)
1122	>	p.submit(Executors.callable(task));
1123	>	for (int i = 0; i < 2; ++i) {
1124	>	try {
1125	>	p.execute(task);
1126	>	shouldThrow();
1127	>	} catch (RejectedExecutionException success) {}
1128	>	assertTrue(p.getTaskCount() <= 2);
1129	>	}
1130	>	} finally {
1131	>	done.countDown();
1132	>	joinPool(p);
1133	>	}
1134		}
1135
1136		/**
1137	<	*  executor using CallerRunsPolicy runs task if saturated.
1137	>	* executor using CallerRunsPolicy runs task if saturated.
1138		*/
1139		public void testSaturatedExecute2() {
1140		RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1141	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1141	>	final ThreadPoolExecutor p =
1142	>	new ThreadPoolExecutor(1, 1,
1143	>	LONG_DELAY_MS,
1144	>	MILLISECONDS,
1145	>	new ArrayBlockingQueue<Runnable>(1),
1146	>	h);
1147		try {
762	–
1148		TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1149	<	for(int i = 0; i < 5; ++i){
1149	>	for (int i = 0; i < tasks.length; ++i)
1150		tasks[i] = new TrackedNoOpRunnable();
766	–	}
1151		TrackedLongRunnable mr = new TrackedLongRunnable();
1152		p.execute(mr);
1153	<	for(int i = 0; i < 5; ++i){
1153	>	for (int i = 0; i < tasks.length; ++i)
1154		p.execute(tasks[i]);
1155	<	}
772	<	for(int i = 1; i < 5; ++i) {
1155	>	for (int i = 1; i < tasks.length; ++i)
1156		assertTrue(tasks[i].done);
1157	<	}
775	<	p.shutdownNow();
776	<	} catch(RejectedExecutionException ex){
777	<	unexpectedException();
1157	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1158		} finally {
1159		joinPool(p);
1160		}
1161		}
1162
1163		/**
1164	<	*  executor using DiscardPolicy drops task if saturated.
1164	>	* executor using DiscardPolicy drops task if saturated.
1165		*/
1166		public void testSaturatedExecute3() {
1167		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1168	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1168	>	final ThreadPoolExecutor p =
1169	>	new ThreadPoolExecutor(1, 1,
1170	>	LONG_DELAY_MS, MILLISECONDS,
1171	>	new ArrayBlockingQueue<Runnable>(1),
1172	>	h);
1173		try {
790	–
1174		TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1175	<	for(int i = 0; i < 5; ++i){
1175	>	for (int i = 0; i < tasks.length; ++i)
1176		tasks[i] = new TrackedNoOpRunnable();
794	–	}
1177		p.execute(new TrackedLongRunnable());
1178	<	for(int i = 0; i < 5; ++i){
1179	<	p.execute(tasks[i]);
1180	<	}
1181	<	for(int i = 0; i < 5; ++i){
1182	<	assertFalse(tasks[i].done);
801	<	}
802	<	p.shutdownNow();
803	<	} catch(RejectedExecutionException ex){
804	<	unexpectedException();
1178	>	for (TrackedNoOpRunnable task : tasks)
1179	>	p.execute(task);
1180	>	for (TrackedNoOpRunnable task : tasks)
1181	>	assertFalse(task.done);
1182	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1183		} finally {
1184		joinPool(p);
1185		}
1186		}
1187
1188		/**
1189	<	*  executor using DiscardOldestPolicy drops oldest task if saturated.
1189	>	* executor using DiscardOldestPolicy drops oldest task if saturated.
1190		*/
1191		public void testSaturatedExecute4() {
1192		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1193	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1193	>	final ThreadPoolExecutor p =
1194	>	new ThreadPoolExecutor(1, 1,
1195	>	LONG_DELAY_MS, MILLISECONDS,
1196	>	new ArrayBlockingQueue<Runnable>(1),
1197	>	h);
1198		try {
1199		p.execute(new TrackedLongRunnable());
1200		TrackedLongRunnable r2 = new TrackedLongRunnable();
#	Line 822 | Line 1204 | public class ThreadPoolExecutorTest exte
1204		p.execute(r3);
1205		assertFalse(p.getQueue().contains(r2));
1206		assertTrue(p.getQueue().contains(r3));
1207	<	p.shutdownNow();
826	<	} catch(RejectedExecutionException ex){
827	<	unexpectedException();
1207	>	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1208		} finally {
1209		joinPool(p);
1210		}
1211		}
1212
1213		/**
1214	<	*  execute throws RejectedExecutionException if shutdown
1214	>	* execute throws RejectedExecutionException if shutdown
1215		*/
1216		public void testRejectedExecutionExceptionOnShutdown() {
1217	<	ThreadPoolExecutor tpe =
1218	<	new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1219	<	tpe.shutdown();
1220	<	try {
1221	<	tpe.execute(new NoOpRunnable());
1222	<	shouldThrow();
1223	<	} catch(RejectedExecutionException success){}
1224	<
1225	<	joinPool(tpe);
1217	>	ThreadPoolExecutor p =
1218	>	new ThreadPoolExecutor(1, 1,
1219	>	LONG_DELAY_MS, MILLISECONDS,
1220	>	new ArrayBlockingQueue<Runnable>(1));
1221	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1222	>	try {
1223	>	p.execute(new NoOpRunnable());
1224	>	shouldThrow();
1225	>	} catch (RejectedExecutionException success) {}
1226	>
1227	>	joinPool(p);
1228		}
1229
1230		/**
1231	<	*  execute using CallerRunsPolicy drops task on shutdown
1231	>	* execute using CallerRunsPolicy drops task on shutdown
1232		*/
1233		public void testCallerRunsOnShutdown() {
1234		RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1235	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1235	>	final ThreadPoolExecutor p =
1236	>	new ThreadPoolExecutor(1, 1,
1237	>	LONG_DELAY_MS, MILLISECONDS,
1238	>	new ArrayBlockingQueue<Runnable>(1), h);
1239
1240	<	p.shutdown();
1241	<	try {
1240	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1241	>	try {
1242		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1243	<	p.execute(r);
1243	>	p.execute(r);
1244		assertFalse(r.done);
860	–	} catch(RejectedExecutionException success){
861	–	unexpectedException();
1245		} finally {
1246		joinPool(p);
1247		}
1248		}
1249
1250		/**
1251	<	*  execute using DiscardPolicy drops task on shutdown
1251	>	* execute using DiscardPolicy drops task on shutdown
1252		*/
1253		public void testDiscardOnShutdown() {
1254		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1255	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1255	>	ThreadPoolExecutor p =
1256	>	new ThreadPoolExecutor(1, 1,
1257	>	LONG_DELAY_MS, MILLISECONDS,
1258	>	new ArrayBlockingQueue<Runnable>(1),
1259	>	h);
1260
1261	<	p.shutdown();
1262	<	try {
1261	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1262	>	try {
1263		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1264	<	p.execute(r);
1264	>	p.execute(r);
1265		assertFalse(r.done);
879	–	} catch(RejectedExecutionException success){
880	–	unexpectedException();
1266		} finally {
1267		joinPool(p);
1268		}
1269		}
1270
886	–
1271		/**
1272	<	*  execute using DiscardOldestPolicy drops task on shutdown
1272	>	* execute using DiscardOldestPolicy drops task on shutdown
1273		*/
1274		public void testDiscardOldestOnShutdown() {
1275		RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1276	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1276	>	ThreadPoolExecutor p =
1277	>	new ThreadPoolExecutor(1, 1,
1278	>	LONG_DELAY_MS, MILLISECONDS,
1279	>	new ArrayBlockingQueue<Runnable>(1),
1280	>	h);
1281
1282	<	p.shutdown();
1283	<	try {
1282	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1283	>	try {
1284		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1285	<	p.execute(r);
1285	>	p.execute(r);
1286		assertFalse(r.done);
899	–	} catch(RejectedExecutionException success){
900	–	unexpectedException();
1287		} finally {
1288		joinPool(p);
1289		}
1290		}
1291
906	–
1292		/**
1293	<	*  execute (null) throws NPE
1293	>	* execute(null) throws NPE
1294		*/
1295		public void testExecuteNull() {
1296	<	ThreadPoolExecutor tpe = null;
1296	>	ThreadPoolExecutor p =
1297	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1298	>	new ArrayBlockingQueue<Runnable>(10));
1299		try {
1300	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
914	<	tpe.execute(null);
1300	>	p.execute(null);
1301		shouldThrow();
1302	<	} catch(NullPointerException success){}
1303	<
1304	<	joinPool(tpe);
1302	>	} catch (NullPointerException success) {}
1303	>
1304	>	joinPool(p);
1305		}
1306	<
1306	>
1307		/**
1308	<	*  setCorePoolSize of negative value throws IllegalArgumentException
1308	>	* setCorePoolSize of negative value throws IllegalArgumentException
1309		*/
1310		public void testCorePoolSizeIllegalArgumentException() {
1311	<	ThreadPoolExecutor tpe = null;
1312	<	try {
1313	<	tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1314	<	} catch(Exception e){}
929	<	try {
930	<	tpe.setCorePoolSize(-1);
931	<	shouldThrow();
932	<	} catch(IllegalArgumentException success){
933	<	} finally {
934	<	tpe.shutdown();
935	<	}
936	<	joinPool(tpe);
937	<	}
938	<
939	<	/**
940	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
941	<	*  given a value less the core pool size
942	<	*/
943	<	public void testMaximumPoolSizeIllegalArgumentException() {
944	<	ThreadPoolExecutor tpe = null;
1311	>	ThreadPoolExecutor p =
1312	>	new ThreadPoolExecutor(1, 2,
1313	>	LONG_DELAY_MS, MILLISECONDS,
1314	>	new ArrayBlockingQueue<Runnable>(10));
1315		try {
1316	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1317	<	} catch(Exception e){}
1316	>	p.setCorePoolSize(-1);
1317	>	shouldThrow();
1318	>	} catch (IllegalArgumentException success) {
1319	>	} finally {
1320	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1321	>	}
1322	>	joinPool(p);
1323	>	}
1324	>
1325	>	/**
1326	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1327	>	* given a value less the core pool size
1328	>	*/
1329	>	public void testMaximumPoolSizeIllegalArgumentException() {
1330	>	ThreadPoolExecutor p =
1331	>	new ThreadPoolExecutor(2, 3,
1332	>	LONG_DELAY_MS, MILLISECONDS,
1333	>	new ArrayBlockingQueue<Runnable>(10));
1334		try {
1335	<	tpe.setMaximumPoolSize(1);
1335	>	p.setMaximumPoolSize(1);
1336		shouldThrow();
1337	<	} catch(IllegalArgumentException success){
1337	>	} catch (IllegalArgumentException success) {
1338		} finally {
1339	<	tpe.shutdown();
1339	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1340		}
1341	<	joinPool(tpe);
1341	>	joinPool(p);
1342		}
1343	<
1343	>
1344		/**
1345	<	*  setMaximumPoolSize throws IllegalArgumentException
1346	<	*  if given a negative value
1345	>	* setMaximumPoolSize throws IllegalArgumentException
1346	>	* if given a negative value
1347		*/
1348		public void testMaximumPoolSizeIllegalArgumentException2() {
1349	<	ThreadPoolExecutor tpe = null;
1350	<	try {
1351	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1352	<	} catch(Exception e){}
1349	>	ThreadPoolExecutor p =
1350	>	new ThreadPoolExecutor(2, 3,
1351	>	LONG_DELAY_MS, MILLISECONDS,
1352	>	new ArrayBlockingQueue<Runnable>(10));
1353		try {
1354	<	tpe.setMaximumPoolSize(-1);
1354	>	p.setMaximumPoolSize(-1);
1355		shouldThrow();
1356	<	} catch(IllegalArgumentException success){
1356	>	} catch (IllegalArgumentException success) {
1357		} finally {
1358	<	tpe.shutdown();
1358	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1359	>	}
1360	>	joinPool(p);
1361	>	}
1362	>
1363	>	/**
1364	>	* Configuration changes that allow core pool size greater than
1365	>	* max pool size result in IllegalArgumentException.
1366	>	*/
1367	>	public void testPoolSizeInvariants() {
1368	>	ThreadPoolExecutor p =
1369	>	new ThreadPoolExecutor(1, 1,
1370	>	LONG_DELAY_MS, MILLISECONDS,
1371	>	new ArrayBlockingQueue<Runnable>(10));
1372	>	for (int s = 1; s < 5; s++) {
1373	>	p.setMaximumPoolSize(s);
1374	>	p.setCorePoolSize(s);
1375	>	try {
1376	>	p.setMaximumPoolSize(s - 1);
1377	>	shouldThrow();
1378	>	} catch (IllegalArgumentException success) {}
1379	>	assertEquals(s, p.getCorePoolSize());
1380	>	assertEquals(s, p.getMaximumPoolSize());
1381	>	try {
1382	>	p.setCorePoolSize(s + 1);
1383	>	shouldThrow();
1384	>	} catch (IllegalArgumentException success) {}
1385	>	assertEquals(s, p.getCorePoolSize());
1386	>	assertEquals(s, p.getMaximumPoolSize());
1387		}
1388	<	joinPool(tpe);
1388	>	joinPool(p);
1389		}
976	–
1390
1391		/**
1392	<	*  setKeepAliveTime  throws IllegalArgumentException
1393	<	*  when given a negative value
1392	>	* setKeepAliveTime throws IllegalArgumentException
1393	>	* when given a negative value
1394		*/
1395		public void testKeepAliveTimeIllegalArgumentException() {
1396	<	ThreadPoolExecutor tpe = null;
1396	>	ThreadPoolExecutor p =
1397	>	new ThreadPoolExecutor(2, 3,
1398	>	LONG_DELAY_MS, MILLISECONDS,
1399	>	new ArrayBlockingQueue<Runnable>(10));
1400		try {
1401	<	tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
986	<	} catch(Exception e){}
987	<
988	<	try {
989	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1401	>	p.setKeepAliveTime(-1,MILLISECONDS);
1402		shouldThrow();
1403	<	} catch(IllegalArgumentException success){
1403	>	} catch (IllegalArgumentException success) {
1404		} finally {
1405	<	tpe.shutdown();
1405	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1406		}
1407	<	joinPool(tpe);
1407	>	joinPool(p);
1408		}
1409
1410		/**
1411		* terminated() is called on termination
1412		*/
1413		public void testTerminated() {
1414	<	ExtendedTPE tpe = new ExtendedTPE();
1415	<	tpe.shutdown();
1416	<	assertTrue(tpe.terminatedCalled);
1417	<	joinPool(tpe);
1414	>	ExtendedTPE p = new ExtendedTPE();
1415	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1416	>	assertTrue(p.terminatedCalled());
1417	>	joinPool(p);
1418		}
1419
1420		/**
1421		* beforeExecute and afterExecute are called when executing task
1422		*/
1423	<	public void testBeforeAfter() {
1424	<	ExtendedTPE tpe = new ExtendedTPE();
1423	>	public void testBeforeAfter() throws InterruptedException {
1424	>	ExtendedTPE p = new ExtendedTPE();
1425		try {
1426	<	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1427	<	tpe.execute(r);
1428	<	Thread.sleep(SHORT_DELAY_MS);
1429	<	assertTrue(r.done);
1430	<	assertTrue(tpe.beforeCalled);
1431	<	assertTrue(tpe.afterCalled);
1432	<	tpe.shutdown();
1426	>	final CountDownLatch done = new CountDownLatch(1);
1427	>	p.execute(new CheckedRunnable() {
1428	>	public void realRun() {
1429	>	done.countDown();
1430	>	}});
1431	>	await(p.afterCalled);
1432	>	assertEquals(0, done.getCount());
1433	>	assertTrue(p.afterCalled());
1434	>	assertTrue(p.beforeCalled());
1435	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1436	>	} finally {
1437	>	joinPool(p);
1438	>	}
1439	>	}
1440	>
1441	>	/**
1442	>	* completed submit of callable returns result
1443	>	*/
1444	>	public void testSubmitCallable() throws Exception {
1445	>	ExecutorService e =
1446	>	new ThreadPoolExecutor(2, 2,
1447	>	LONG_DELAY_MS, MILLISECONDS,
1448	>	new ArrayBlockingQueue<Runnable>(10));
1449	>	try {
1450	>	Future<String> future = e.submit(new StringTask());
1451	>	String result = future.get();
1452	>	assertSame(TEST_STRING, result);
1453	>	} finally {
1454	>	joinPool(e);
1455	>	}
1456	>	}
1457	>
1458	>	/**
1459	>	* completed submit of runnable returns successfully
1460	>	*/
1461	>	public void testSubmitRunnable() throws Exception {
1462	>	ExecutorService e =
1463	>	new ThreadPoolExecutor(2, 2,
1464	>	LONG_DELAY_MS, MILLISECONDS,
1465	>	new ArrayBlockingQueue<Runnable>(10));
1466	>	try {
1467	>	Future<?> future = e.submit(new NoOpRunnable());
1468	>	future.get();
1469	>	assertTrue(future.isDone());
1470	>	} finally {
1471	>	joinPool(e);
1472		}
1473	<	catch(Exception ex) {
1474	<	unexpectedException();
1473	>	}
1474	>
1475	>	/**
1476	>	* completed submit of (runnable, result) returns result
1477	>	*/
1478	>	public void testSubmitRunnable2() throws Exception {
1479	>	ExecutorService e =
1480	>	new ThreadPoolExecutor(2, 2,
1481	>	LONG_DELAY_MS, MILLISECONDS,
1482	>	new ArrayBlockingQueue<Runnable>(10));
1483	>	try {
1484	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1485	>	String result = future.get();
1486	>	assertSame(TEST_STRING, result);
1487		} finally {
1488	<	joinPool(tpe);
1488	>	joinPool(e);
1489		}
1490		}
1491	+
1492	+	/**
1493	+	* invokeAny(null) throws NPE
1494	+	*/
1495	+	public void testInvokeAny1() throws Exception {
1496	+	ExecutorService e =
1497	+	new ThreadPoolExecutor(2, 2,
1498	+	LONG_DELAY_MS, MILLISECONDS,
1499	+	new ArrayBlockingQueue<Runnable>(10));
1500	+	try {
1501	+	e.invokeAny(null);
1502	+	shouldThrow();
1503	+	} catch (NullPointerException success) {
1504	+	} finally {
1505	+	joinPool(e);
1506	+	}
1507	+	}
1508	+
1509	+	/**
1510	+	* invokeAny(empty collection) throws IAE
1511	+	*/
1512	+	public void testInvokeAny2() throws Exception {
1513	+	ExecutorService e =
1514	+	new ThreadPoolExecutor(2, 2,
1515	+	LONG_DELAY_MS, MILLISECONDS,
1516	+	new ArrayBlockingQueue<Runnable>(10));
1517	+	try {
1518	+	e.invokeAny(new ArrayList<Callable<String>>());
1519	+	shouldThrow();
1520	+	} catch (IllegalArgumentException success) {
1521	+	} finally {
1522	+	joinPool(e);
1523	+	}
1524	+	}
1525	+
1526	+	/**
1527	+	* invokeAny(c) throws NPE if c has null elements
1528	+	*/
1529	+	public void testInvokeAny3() throws Exception {
1530	+	final CountDownLatch latch = new CountDownLatch(1);
1531	+	final ExecutorService e =
1532	+	new ThreadPoolExecutor(2, 2,
1533	+	LONG_DELAY_MS, MILLISECONDS,
1534	+	new ArrayBlockingQueue<Runnable>(10));
1535	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1536	+	l.add(latchAwaitingStringTask(latch));
1537	+	l.add(null);
1538	+	try {
1539	+	e.invokeAny(l);
1540	+	shouldThrow();
1541	+	} catch (NullPointerException success) {
1542	+	} finally {
1543	+	latch.countDown();
1544	+	joinPool(e);
1545	+	}
1546	+	}
1547	+
1548	+	/**
1549	+	* invokeAny(c) throws ExecutionException if no task completes
1550	+	*/
1551	+	public void testInvokeAny4() throws Exception {
1552	+	ExecutorService e =
1553	+	new ThreadPoolExecutor(2, 2,
1554	+	LONG_DELAY_MS, MILLISECONDS,
1555	+	new ArrayBlockingQueue<Runnable>(10));
1556	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1557	+	l.add(new NPETask());
1558	+	try {
1559	+	e.invokeAny(l);
1560	+	shouldThrow();
1561	+	} catch (ExecutionException success) {
1562	+	assertTrue(success.getCause() instanceof NullPointerException);
1563	+	} finally {
1564	+	joinPool(e);
1565	+	}
1566	+	}
1567	+
1568	+	/**
1569	+	* invokeAny(c) returns result of some task
1570	+	*/
1571	+	public void testInvokeAny5() throws Exception {
1572	+	ExecutorService e =
1573	+	new ThreadPoolExecutor(2, 2,
1574	+	LONG_DELAY_MS, MILLISECONDS,
1575	+	new ArrayBlockingQueue<Runnable>(10));
1576	+	try {
1577	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1578	+	l.add(new StringTask());
1579	+	l.add(new StringTask());
1580	+	String result = e.invokeAny(l);
1581	+	assertSame(TEST_STRING, result);
1582	+	} finally {
1583	+	joinPool(e);
1584	+	}
1585	+	}
1586	+
1587	+	/**
1588	+	* invokeAll(null) throws NPE
1589	+	*/
1590	+	public void testInvokeAll1() throws Exception {
1591	+	ExecutorService e =
1592	+	new ThreadPoolExecutor(2, 2,
1593	+	LONG_DELAY_MS, MILLISECONDS,
1594	+	new ArrayBlockingQueue<Runnable>(10));
1595	+	try {
1596	+	e.invokeAll(null);
1597	+	shouldThrow();
1598	+	} catch (NullPointerException success) {
1599	+	} finally {
1600	+	joinPool(e);
1601	+	}
1602	+	}
1603	+
1604	+	/**
1605	+	* invokeAll(empty collection) returns empty collection
1606	+	*/
1607	+	public void testInvokeAll2() throws InterruptedException {
1608	+	ExecutorService e =
1609	+	new ThreadPoolExecutor(2, 2,
1610	+	LONG_DELAY_MS, MILLISECONDS,
1611	+	new ArrayBlockingQueue<Runnable>(10));
1612	+	try {
1613	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1614	+	assertTrue(r.isEmpty());
1615	+	} finally {
1616	+	joinPool(e);
1617	+	}
1618	+	}
1619	+
1620	+	/**
1621	+	* invokeAll(c) throws NPE if c has null elements
1622	+	*/
1623	+	public void testInvokeAll3() throws Exception {
1624	+	ExecutorService e =
1625	+	new ThreadPoolExecutor(2, 2,
1626	+	LONG_DELAY_MS, MILLISECONDS,
1627	+	new ArrayBlockingQueue<Runnable>(10));
1628	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1629	+	l.add(new StringTask());
1630	+	l.add(null);
1631	+	try {
1632	+	e.invokeAll(l);
1633	+	shouldThrow();
1634	+	} catch (NullPointerException success) {
1635	+	} finally {
1636	+	joinPool(e);
1637	+	}
1638	+	}
1639	+
1640	+	/**
1641	+	* get of element of invokeAll(c) throws exception on failed task
1642	+	*/
1643	+	public void testInvokeAll4() throws Exception {
1644	+	ExecutorService e =
1645	+	new ThreadPoolExecutor(2, 2,
1646	+	LONG_DELAY_MS, MILLISECONDS,
1647	+	new ArrayBlockingQueue<Runnable>(10));
1648	+	try {
1649	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1650	+	l.add(new NPETask());
1651	+	List<Future<String>> futures = e.invokeAll(l);
1652	+	assertEquals(1, futures.size());
1653	+	try {
1654	+	futures.get(0).get();
1655	+	shouldThrow();
1656	+	} catch (ExecutionException success) {
1657	+	assertTrue(success.getCause() instanceof NullPointerException);
1658	+	}
1659	+	} finally {
1660	+	joinPool(e);
1661	+	}
1662	+	}
1663	+
1664	+	/**
1665	+	* invokeAll(c) returns results of all completed tasks
1666	+	*/
1667	+	public void testInvokeAll5() throws Exception {
1668	+	ExecutorService e =
1669	+	new ThreadPoolExecutor(2, 2,
1670	+	LONG_DELAY_MS, MILLISECONDS,
1671	+	new ArrayBlockingQueue<Runnable>(10));
1672	+	try {
1673	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1674	+	l.add(new StringTask());
1675	+	l.add(new StringTask());
1676	+	List<Future<String>> futures = e.invokeAll(l);
1677	+	assertEquals(2, futures.size());
1678	+	for (Future<String> future : futures)
1679	+	assertSame(TEST_STRING, future.get());
1680	+	} finally {
1681	+	joinPool(e);
1682	+	}
1683	+	}
1684	+
1685	+	/**
1686	+	* timed invokeAny(null) throws NPE
1687	+	*/
1688	+	public void testTimedInvokeAny1() throws Exception {
1689	+	ExecutorService e =
1690	+	new ThreadPoolExecutor(2, 2,
1691	+	LONG_DELAY_MS, MILLISECONDS,
1692	+	new ArrayBlockingQueue<Runnable>(10));
1693	+	try {
1694	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1695	+	shouldThrow();
1696	+	} catch (NullPointerException success) {
1697	+	} finally {
1698	+	joinPool(e);
1699	+	}
1700	+	}
1701	+
1702	+	/**
1703	+	* timed invokeAny(,,null) throws NPE
1704	+	*/
1705	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1706	+	ExecutorService e =
1707	+	new ThreadPoolExecutor(2, 2,
1708	+	LONG_DELAY_MS, MILLISECONDS,
1709	+	new ArrayBlockingQueue<Runnable>(10));
1710	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1711	+	l.add(new StringTask());
1712	+	try {
1713	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1714	+	shouldThrow();
1715	+	} catch (NullPointerException success) {
1716	+	} finally {
1717	+	joinPool(e);
1718	+	}
1719	+	}
1720	+
1721	+	/**
1722	+	* timed invokeAny(empty collection) throws IAE
1723	+	*/
1724	+	public void testTimedInvokeAny2() throws Exception {
1725	+	ExecutorService e =
1726	+	new ThreadPoolExecutor(2, 2,
1727	+	LONG_DELAY_MS, MILLISECONDS,
1728	+	new ArrayBlockingQueue<Runnable>(10));
1729	+	try {
1730	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1731	+	shouldThrow();
1732	+	} catch (IllegalArgumentException success) {
1733	+	} finally {
1734	+	joinPool(e);
1735	+	}
1736	+	}
1737	+
1738	+	/**
1739	+	* timed invokeAny(c) throws NPE if c has null elements
1740	+	*/
1741	+	public void testTimedInvokeAny3() throws Exception {
1742	+	final CountDownLatch latch = new CountDownLatch(1);
1743	+	final ExecutorService e =
1744	+	new ThreadPoolExecutor(2, 2,
1745	+	LONG_DELAY_MS, MILLISECONDS,
1746	+	new ArrayBlockingQueue<Runnable>(10));
1747	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1748	+	l.add(latchAwaitingStringTask(latch));
1749	+	l.add(null);
1750	+	try {
1751	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1752	+	shouldThrow();
1753	+	} catch (NullPointerException success) {
1754	+	} finally {
1755	+	latch.countDown();
1756	+	joinPool(e);
1757	+	}
1758	+	}
1759	+
1760	+	/**
1761	+	* timed invokeAny(c) throws ExecutionException if no task completes
1762	+	*/
1763	+	public void testTimedInvokeAny4() throws Exception {
1764	+	ExecutorService e =
1765	+	new ThreadPoolExecutor(2, 2,
1766	+	LONG_DELAY_MS, MILLISECONDS,
1767	+	new ArrayBlockingQueue<Runnable>(10));
1768	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1769	+	l.add(new NPETask());
1770	+	try {
1771	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1772	+	shouldThrow();
1773	+	} catch (ExecutionException success) {
1774	+	assertTrue(success.getCause() instanceof NullPointerException);
1775	+	} finally {
1776	+	joinPool(e);
1777	+	}
1778	+	}
1779	+
1780	+	/**
1781	+	* timed invokeAny(c) returns result of some task
1782	+	*/
1783	+	public void testTimedInvokeAny5() throws Exception {
1784	+	ExecutorService e =
1785	+	new ThreadPoolExecutor(2, 2,
1786	+	LONG_DELAY_MS, MILLISECONDS,
1787	+	new ArrayBlockingQueue<Runnable>(10));
1788	+	try {
1789	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1790	+	l.add(new StringTask());
1791	+	l.add(new StringTask());
1792	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1793	+	assertSame(TEST_STRING, result);
1794	+	} finally {
1795	+	joinPool(e);
1796	+	}
1797	+	}
1798	+
1799	+	/**
1800	+	* timed invokeAll(null) throws NPE
1801	+	*/
1802	+	public void testTimedInvokeAll1() throws Exception {
1803	+	ExecutorService e =
1804	+	new ThreadPoolExecutor(2, 2,
1805	+	LONG_DELAY_MS, MILLISECONDS,
1806	+	new ArrayBlockingQueue<Runnable>(10));
1807	+	try {
1808	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1809	+	shouldThrow();
1810	+	} catch (NullPointerException success) {
1811	+	} finally {
1812	+	joinPool(e);
1813	+	}
1814	+	}
1815	+
1816	+	/**
1817	+	* timed invokeAll(,,null) throws NPE
1818	+	*/
1819	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1820	+	ExecutorService e =
1821	+	new ThreadPoolExecutor(2, 2,
1822	+	LONG_DELAY_MS, MILLISECONDS,
1823	+	new ArrayBlockingQueue<Runnable>(10));
1824	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1825	+	l.add(new StringTask());
1826	+	try {
1827	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1828	+	shouldThrow();
1829	+	} catch (NullPointerException success) {
1830	+	} finally {
1831	+	joinPool(e);
1832	+	}
1833	+	}
1834	+
1835	+	/**
1836	+	* timed invokeAll(empty collection) returns empty collection
1837	+	*/
1838	+	public void testTimedInvokeAll2() throws InterruptedException {
1839	+	ExecutorService e =
1840	+	new ThreadPoolExecutor(2, 2,
1841	+	LONG_DELAY_MS, MILLISECONDS,
1842	+	new ArrayBlockingQueue<Runnable>(10));
1843	+	try {
1844	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1845	+	assertTrue(r.isEmpty());
1846	+	} finally {
1847	+	joinPool(e);
1848	+	}
1849	+	}
1850	+
1851	+	/**
1852	+	* timed invokeAll(c) throws NPE if c has null elements
1853	+	*/
1854	+	public void testTimedInvokeAll3() throws Exception {
1855	+	ExecutorService e =
1856	+	new ThreadPoolExecutor(2, 2,
1857	+	LONG_DELAY_MS, MILLISECONDS,
1858	+	new ArrayBlockingQueue<Runnable>(10));
1859	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1860	+	l.add(new StringTask());
1861	+	l.add(null);
1862	+	try {
1863	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1864	+	shouldThrow();
1865	+	} catch (NullPointerException success) {
1866	+	} finally {
1867	+	joinPool(e);
1868	+	}
1869	+	}
1870	+
1871	+	/**
1872	+	* get of element of invokeAll(c) throws exception on failed task
1873	+	*/
1874	+	public void testTimedInvokeAll4() throws Exception {
1875	+	ExecutorService e =
1876	+	new ThreadPoolExecutor(2, 2,
1877	+	LONG_DELAY_MS, MILLISECONDS,
1878	+	new ArrayBlockingQueue<Runnable>(10));
1879	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1880	+	l.add(new NPETask());
1881	+	List<Future<String>> futures =
1882	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1883	+	assertEquals(1, futures.size());
1884	+	try {
1885	+	futures.get(0).get();
1886	+	shouldThrow();
1887	+	} catch (ExecutionException success) {
1888	+	assertTrue(success.getCause() instanceof NullPointerException);
1889	+	} finally {
1890	+	joinPool(e);
1891	+	}
1892	+	}
1893	+
1894	+	/**
1895	+	* timed invokeAll(c) returns results of all completed tasks
1896	+	*/
1897	+	public void testTimedInvokeAll5() throws Exception {
1898	+	ExecutorService e =
1899	+	new ThreadPoolExecutor(2, 2,
1900	+	LONG_DELAY_MS, MILLISECONDS,
1901	+	new ArrayBlockingQueue<Runnable>(10));
1902	+	try {
1903	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1904	+	l.add(new StringTask());
1905	+	l.add(new StringTask());
1906	+	List<Future<String>> futures =
1907	+	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1908	+	assertEquals(2, futures.size());
1909	+	for (Future<String> future : futures)
1910	+	assertSame(TEST_STRING, future.get());
1911	+	} finally {
1912	+	joinPool(e);
1913	+	}
1914	+	}
1915	+
1916	+	/**
1917	+	* timed invokeAll(c) cancels tasks not completed by timeout
1918	+	*/
1919	+	public void testTimedInvokeAll6() throws Exception {
1920	+	ExecutorService e =
1921	+	new ThreadPoolExecutor(2, 2,
1922	+	LONG_DELAY_MS, MILLISECONDS,
1923	+	new ArrayBlockingQueue<Runnable>(10));
1924	+	try {
1925	+	for (long timeout = timeoutMillis();;) {
1926	+	List<Callable<String>> tasks = new ArrayList<>();
1927	+	tasks.add(new StringTask("0"));
1928	+	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1929	+	tasks.add(new StringTask("2"));
1930	+	long startTime = System.nanoTime();
1931	+	List<Future<String>> futures =
1932	+	e.invokeAll(tasks, timeout, MILLISECONDS);
1933	+	assertEquals(tasks.size(), futures.size());
1934	+	assertTrue(millisElapsedSince(startTime) >= timeout);
1935	+	for (Future future : futures)
1936	+	assertTrue(future.isDone());
1937	+	assertTrue(futures.get(1).isCancelled());
1938	+	try {
1939	+	assertEquals("0", futures.get(0).get());
1940	+	assertEquals("2", futures.get(2).get());
1941	+	break;
1942	+	} catch (CancellationException retryWithLongerTimeout) {
1943	+	timeout *= 2;
1944	+	if (timeout >= LONG_DELAY_MS / 2)
1945	+	fail("expected exactly one task to be cancelled");
1946	+	}
1947	+	}
1948	+	} finally {
1949	+	joinPool(e);
1950	+	}
1951	+	}
1952	+
1953	+	/**
1954	+	* Execution continues if there is at least one thread even if
1955	+	* thread factory fails to create more
1956	+	*/
1957	+	public void testFailingThreadFactory() throws InterruptedException {
1958	+	final ExecutorService e =
1959	+	new ThreadPoolExecutor(100, 100,
1960	+	LONG_DELAY_MS, MILLISECONDS,
1961	+	new LinkedBlockingQueue<Runnable>(),
1962	+	new FailingThreadFactory());
1963	+	try {
1964	+	final int TASKS = 100;
1965	+	final CountDownLatch done = new CountDownLatch(TASKS);
1966	+	for (int k = 0; k < TASKS; ++k)
1967	+	e.execute(new CheckedRunnable() {
1968	+	public void realRun() {
1969	+	done.countDown();
1970	+	}});
1971	+	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1972	+	} finally {
1973	+	joinPool(e);
1974	+	}
1975	+	}
1976	+
1977	+	/**
1978	+	* allowsCoreThreadTimeOut is by default false.
1979	+	*/
1980	+	public void testAllowsCoreThreadTimeOut() {
1981	+	final ThreadPoolExecutor p =
1982	+	new ThreadPoolExecutor(2, 2,
1983	+	1000, MILLISECONDS,
1984	+	new ArrayBlockingQueue<Runnable>(10));
1985	+	assertFalse(p.allowsCoreThreadTimeOut());
1986	+	joinPool(p);
1987	+	}
1988	+
1989	+	/**
1990	+	* allowCoreThreadTimeOut(true) causes idle threads to time out
1991	+	*/
1992	+	public void testAllowCoreThreadTimeOut_true() throws Exception {
1993	+	long keepAliveTime = timeoutMillis();
1994	+	final ThreadPoolExecutor p =
1995	+	new ThreadPoolExecutor(2, 10,
1996	+	keepAliveTime, MILLISECONDS,
1997	+	new ArrayBlockingQueue<Runnable>(10));
1998	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1999	+	try {
2000	+	p.allowCoreThreadTimeOut(true);
2001	+	p.execute(new CheckedRunnable() {
2002	+	public void realRun() {
2003	+	threadStarted.countDown();
2004	+	assertEquals(1, p.getPoolSize());
2005	+	}});
2006	+	await(threadStarted);
2007	+	delay(keepAliveTime);
2008	+	long startTime = System.nanoTime();
2009	+	while (p.getPoolSize() > 0
2010	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2011	+	Thread.yield();
2012	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2013	+	assertEquals(0, p.getPoolSize());
2014	+	} finally {
2015	+	joinPool(p);
2016	+	}
2017	+	}
2018	+
2019	+	/**
2020	+	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2021	+	*/
2022	+	public void testAllowCoreThreadTimeOut_false() throws Exception {
2023	+	long keepAliveTime = timeoutMillis();
2024	+	final ThreadPoolExecutor p =
2025	+	new ThreadPoolExecutor(2, 10,
2026	+	keepAliveTime, MILLISECONDS,
2027	+	new ArrayBlockingQueue<Runnable>(10));
2028	+	final CountDownLatch threadStarted = new CountDownLatch(1);
2029	+	try {
2030	+	p.allowCoreThreadTimeOut(false);
2031	+	p.execute(new CheckedRunnable() {
2032	+	public void realRun() throws InterruptedException {
2033	+	threadStarted.countDown();
2034	+	assertTrue(p.getPoolSize() >= 1);
2035	+	}});
2036	+	delay(2 * keepAliveTime);
2037	+	assertTrue(p.getPoolSize() >= 1);
2038	+	} finally {
2039	+	joinPool(p);
2040	+	}
2041	+	}
2042	+
2043	+	/**
2044	+	* execute allows the same task to be submitted multiple times, even
2045	+	* if rejected
2046	+	*/
2047	+	public void testRejectedRecycledTask() throws InterruptedException {
2048	+	final int nTasks = 1000;
2049	+	final CountDownLatch done = new CountDownLatch(nTasks);
2050	+	final Runnable recycledTask = new Runnable() {
2051	+	public void run() {
2052	+	done.countDown();
2053	+	}};
2054	+	final ThreadPoolExecutor p =
2055	+	new ThreadPoolExecutor(1, 30,
2056	+	60, SECONDS,
2057	+	new ArrayBlockingQueue(30));
2058	+	try {
2059	+	for (int i = 0; i < nTasks; ++i) {
2060	+	for (;;) {
2061	+	try {
2062	+	p.execute(recycledTask);
2063	+	break;
2064	+	}
2065	+	catch (RejectedExecutionException ignore) {}
2066	+	}
2067	+	}
2068	+	// enough time to run all tasks
2069	+	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2070	+	} finally {
2071	+	joinPool(p);
2072	+	}
2073	+	}
2074	+
2075	+	/**
2076	+	* get(cancelled task) throws CancellationException
2077	+	*/
2078	+	public void testGet_cancelled() throws Exception {
2079	+	final ExecutorService e =
2080	+	new ThreadPoolExecutor(1, 1,
2081	+	LONG_DELAY_MS, MILLISECONDS,
2082	+	new LinkedBlockingQueue<Runnable>());
2083	+	try {
2084	+	final CountDownLatch blockerStarted = new CountDownLatch(1);
2085	+	final CountDownLatch done = new CountDownLatch(1);
2086	+	final List<Future<?>> futures = new ArrayList<>();
2087	+	for (int i = 0; i < 2; i++) {
2088	+	Runnable r = new CheckedRunnable() { public void realRun()
2089	+	throws Throwable {
2090	+	blockerStarted.countDown();
2091	+	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2092	+	}};
2093	+	futures.add(e.submit(r));
2094	+	}
2095	+	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2096	+	for (Future<?> future : futures) future.cancel(false);
2097	+	for (Future<?> future : futures) {
2098	+	try {
2099	+	future.get();
2100	+	shouldThrow();
2101	+	} catch (CancellationException success) {}
2102	+	try {
2103	+	future.get(LONG_DELAY_MS, MILLISECONDS);
2104	+	shouldThrow();
2105	+	} catch (CancellationException success) {}
2106	+	assertTrue(future.isCancelled());
2107	+	assertTrue(future.isDone());
2108	+	}
2109	+	done.countDown();
2110	+	} finally {
2111	+	joinPool(e);
2112	+	}
2113	+	}
2114	+
2115		}

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