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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.74 by jsr166, Sun Oct 4 01:58:38 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	>	final CountDownLatch beforeCalled = new CountDownLatch(1);
47	>	final CountDownLatch afterCalled = new CountDownLatch(1);
48	>	final CountDownLatch terminatedCalled = new CountDownLatch(1);
49	>
50	>	public ExtendedTPE() {
51	>	super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52	>	}
53	>	protected void beforeExecute(Thread t, Runnable r) {
54	>	beforeCalled.countDown();
55	>	}
56	>	protected void afterExecute(Runnable r, Throwable t) {
57	>	afterCalled.countDown();
58	>	}
59	>	protected void terminated() {
60	>	terminatedCalled.countDown();
61	>	}
62	>
63	>	public boolean beforeCalled() {
64	>	return beforeCalled.getCount() == 0;
65	>	}
66	>	public boolean afterCalled() {
67	>	return afterCalled.getCount() == 0;
68	>	}
69	>	public boolean terminatedCalled() {
70	>	return terminatedCalled.getCount() == 0;
71	>	}
72	>	}
73	>
74	>	static class FailingThreadFactory implements ThreadFactory {
75	>	int calls = 0;
76	>	public Thread newThread(Runnable r) {
77	>	if (++calls > 1) return null;
78	>	return new Thread(r);
79	>	}
80	>	}
81	>
82		/**
83	<	* For use as ThreadFactory in constructors
83	>	* execute successfully executes a runnable
84		*/
85	<	static class MyThreadFactory implements ThreadFactory{
86	<	public Thread newThread(Runnable r){
87	<	return new Thread(r);
88	<	}
85	>	public void testExecute() throws InterruptedException {
86	>	final ThreadPoolExecutor p =
87	>	new ThreadPoolExecutor(1, 1,
88	>	LONG_DELAY_MS, MILLISECONDS,
89	>	new ArrayBlockingQueue<Runnable>(10));
90	>	final CountDownLatch done = new CountDownLatch(1);
91	>	final Runnable task = new CheckedRunnable() {
92	>	public void realRun() {
93	>	done.countDown();
94	>	}};
95	>	try {
96	>	p.execute(task);
97	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98	>	} finally {
99	>	joinPool(p);
100	>	}
101		}
102
103		/**
104	<	* For use as RejectedExecutionHandler in constructors
104	>	* getActiveCount increases but doesn't overestimate, when a
105	>	* thread becomes active
106		*/
107	<	static class MyREHandler implements RejectedExecutionHandler{
108	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
107	>	public void testGetActiveCount() throws InterruptedException {
108	>	final ThreadPoolExecutor p =
109	>	new ThreadPoolExecutor(2, 2,
110	>	LONG_DELAY_MS, MILLISECONDS,
111	>	new ArrayBlockingQueue<Runnable>(10));
112	>	final CountDownLatch threadStarted = new CountDownLatch(1);
113	>	final CountDownLatch done = new CountDownLatch(1);
114	>	try {
115	>	assertEquals(0, p.getActiveCount());
116	>	p.execute(new CheckedRunnable() {
117	>	public void realRun() throws InterruptedException {
118	>	threadStarted.countDown();
119	>	assertEquals(1, p.getActiveCount());
120	>	done.await();
121	>	}});
122	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123	>	assertEquals(1, p.getActiveCount());
124	>	} finally {
125	>	done.countDown();
126	>	joinPool(p);
127	>	}
128		}
129	<
129	>
130		/**
131	<	*   execute successfully executes a runnable
131	>	* prestartCoreThread starts a thread if under corePoolSize, else doesn't
132		*/
133	<	public void testExecute() {
134	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135	<	try {
136	<	p1.execute(new Runnable() {
137	<	public void run() {
138	<	try {
139	<	Thread.sleep(SHORT_DELAY_MS);
140	<	} catch(InterruptedException e){
141	<	threadUnexpectedException();
142	<	}
143	<	}
144	<	});
145	<	Thread.sleep(SMALL_DELAY_MS);
146	<	} catch(InterruptedException e){
147	<	unexpectedException();
148	<	}
149	<	joinPool(p1);
133	>	public void testPrestartCoreThread() {
134	>	final ThreadPoolExecutor p =
135	>	new ThreadPoolExecutor(2, 6,
136	>	LONG_DELAY_MS, MILLISECONDS,
137	>	new ArrayBlockingQueue<Runnable>(10));
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	assertEquals(0, p.getPoolSize());
140	>	assertTrue(p.prestartCoreThread());
141	>	assertEquals(1, p.getPoolSize());
142	>	assertTrue(p.prestartCoreThread());
143	>	assertEquals(2, p.getPoolSize());
144	>	assertFalse(p.prestartCoreThread());
145	>	assertEquals(2, p.getPoolSize());
146	>	p.setCorePoolSize(4);
147	>	assertTrue(p.prestartCoreThread());
148	>	assertEquals(3, p.getPoolSize());
149	>	assertTrue(p.prestartCoreThread());
150	>	assertEquals(4, p.getPoolSize());
151	>	assertFalse(p.prestartCoreThread());
152	>	assertEquals(4, p.getPoolSize());
153	>	}
154	>	}
155	>
156	>	/**
157	>	* prestartAllCoreThreads starts all corePoolSize threads
158	>	*/
159	>	public void testPrestartAllCoreThreads() {
160	>	final ThreadPoolExecutor p =
161	>	new ThreadPoolExecutor(2, 6,
162	>	LONG_DELAY_MS, MILLISECONDS,
163	>	new ArrayBlockingQueue<Runnable>(10));
164	>	try (PoolCleaner cleaner = cleaner(p)) {
165	>	assertEquals(0, p.getPoolSize());
166	>	p.prestartAllCoreThreads();
167	>	assertEquals(2, p.getPoolSize());
168	>	p.prestartAllCoreThreads();
169	>	assertEquals(2, p.getPoolSize());
170	>	p.setCorePoolSize(4);
171	>	p.prestartAllCoreThreads();
172	>	assertEquals(4, p.getPoolSize());
173	>	p.prestartAllCoreThreads();
174	>	assertEquals(4, p.getPoolSize());
175	>	}
176	>	}
177	>
178	>	/**
179	>	* getCompletedTaskCount increases, but doesn't overestimate,
180	>	* when tasks complete
181	>	*/
182	>	public void testGetCompletedTaskCount() throws InterruptedException {
183	>	final ThreadPoolExecutor p =
184	>	new ThreadPoolExecutor(2, 2,
185	>	LONG_DELAY_MS, MILLISECONDS,
186	>	new ArrayBlockingQueue<Runnable>(10));
187	>	try (PoolCleaner cleaner = cleaner(p)) {
188	>	final CountDownLatch threadStarted = new CountDownLatch(1);
189	>	final CountDownLatch threadProceed = new CountDownLatch(1);
190	>	final CountDownLatch threadDone = new CountDownLatch(1);
191	>	assertEquals(0, p.getCompletedTaskCount());
192	>	p.execute(new CheckedRunnable() {
193	>	public void realRun() throws InterruptedException {
194	>	threadStarted.countDown();
195	>	assertEquals(0, p.getCompletedTaskCount());
196	>	threadProceed.await();
197	>	threadDone.countDown();
198	>	}});
199	>	await(threadStarted);
200	>	assertEquals(0, p.getCompletedTaskCount());
201	>	threadProceed.countDown();
202	>	threadDone.await();
203	>	long startTime = System.nanoTime();
204	>	while (p.getCompletedTaskCount() != 1) {
205	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206	>	fail("timed out");
207	>	Thread.yield();
208	>	}
209	>	}
210		}
211
212		/**
213	<	*  getActiveCount increases but doesn't overestimate, when a
60	<	*  thread becomes active
213	>	* getCorePoolSize returns size given in constructor if not otherwise set
214		*/
215	<	public void testGetActiveCount() {
216	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217	<	assertEquals(0, p2.getActiveCount());
218	<	p2.execute(new MediumRunnable());
219	<	try {
220	<	Thread.sleep(SHORT_DELAY_MS);
221	<	} catch(Exception e){
69	<	unexpectedException();
215	>	public void testGetCorePoolSize() {
216	>	final ThreadPoolExecutor p =
217	>	new ThreadPoolExecutor(1, 1,
218	>	LONG_DELAY_MS, MILLISECONDS,
219	>	new ArrayBlockingQueue<Runnable>(10));
220	>	try (PoolCleaner cleaner = cleaner(p)) {
221	>	assertEquals(1, p.getCorePoolSize());
222		}
71	–	assertEquals(1, p2.getActiveCount());
72	–	joinPool(p2);
223		}
224	<
224	>
225		/**
226	<	*   getCompletedTaskCount increases, but doesn't overestimate,
77	<	*   when tasks complete
226	>	* getKeepAliveTime returns value given in constructor if not otherwise set
227		*/
228	<	public void testGetCompletedTaskCount() {
229	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230	<	assertEquals(0, p2.getCompletedTaskCount());
231	<	p2.execute(new ShortRunnable());
232	<	try {
233	<	Thread.sleep(MEDIUM_DELAY_MS);
234	<	} catch(Exception e){
86	<	unexpectedException();
228	>	public void testGetKeepAliveTime() {
229	>	final ThreadPoolExecutor p =
230	>	new ThreadPoolExecutor(2, 2,
231	>	1000, MILLISECONDS,
232	>	new ArrayBlockingQueue<Runnable>(10));
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
235		}
88	–	assertEquals(1, p2.getCompletedTaskCount());
89	–	p2.shutdown();
90	–	joinPool(p2);
236		}
237	<
237	>
238		/**
239	<	*   getCorePoolSize returns size given in constructor if not otherwise set
239	>	* getThreadFactory returns factory in constructor if not set
240		*/
241	<	public void testGetCorePoolSize() {
242	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243	<	assertEquals(1, p1.getCorePoolSize());
244	<	joinPool(p1);
241	>	public void testGetThreadFactory() {
242	>	ThreadFactory threadFactory = new SimpleThreadFactory();
243	>	final ThreadPoolExecutor p =
244	>	new ThreadPoolExecutor(1, 2,
245	>	LONG_DELAY_MS, MILLISECONDS,
246	>	new ArrayBlockingQueue<Runnable>(10),
247	>	threadFactory,
248	>	new NoOpREHandler());
249	>	try (PoolCleaner cleaner = cleaner(p)) {
250	>	assertSame(threadFactory, p.getThreadFactory());
251	>	}
252		}
253	<
253	>
254		/**
255	<	*   getKeepAliveTime returns value given in constructor if not otherwise set
255	>	* setThreadFactory sets the thread factory returned by getThreadFactory
256		*/
257	<	public void testGetKeepAliveTime() {
258	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
259	<	assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
260	<	joinPool(p2);
261	<	}
262	<
263	<	/**
264	<	*   getLargestPoolSize increases, but doesn't overestimate, when
265	<	*   multiple threads active
266	<	*/
115	<	public void testGetLargestPoolSize() {
116	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117	<	try {
118	<	assertEquals(0, p2.getLargestPoolSize());
119	<	p2.execute(new MediumRunnable());
120	<	p2.execute(new MediumRunnable());
121	<	Thread.sleep(SHORT_DELAY_MS);
122	<	assertEquals(2, p2.getLargestPoolSize());
123	<	} catch(Exception e){
124	<	unexpectedException();
125	<	}
126	<	joinPool(p2);
257	>	public void testSetThreadFactory() {
258	>	final ThreadPoolExecutor p =
259	>	new ThreadPoolExecutor(1, 2,
260	>	LONG_DELAY_MS, MILLISECONDS,
261	>	new ArrayBlockingQueue<Runnable>(10));
262	>	try (PoolCleaner cleaner = cleaner(p)) {
263	>	ThreadFactory threadFactory = new SimpleThreadFactory();
264	>	p.setThreadFactory(threadFactory);
265	>	assertSame(threadFactory, p.getThreadFactory());
266	>	}
267		}
268	<
268	>
269		/**
270	<	*   getMaximumPoolSize returns value given in constructor if not
131	<	*   otherwise set
270	>	* setThreadFactory(null) throws NPE
271		*/
272	<	public void testGetMaximumPoolSize() {
273	<	ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
274	<	assertEquals(2, p2.getMaximumPoolSize());
275	<	joinPool(p2);
272	>	public void testSetThreadFactoryNull() {
273	>	final ThreadPoolExecutor p =
274	>	new ThreadPoolExecutor(1, 2,
275	>	LONG_DELAY_MS, MILLISECONDS,
276	>	new ArrayBlockingQueue<Runnable>(10));
277	>	try (PoolCleaner cleaner = cleaner(p)) {
278	>	try {
279	>	p.setThreadFactory(null);
280	>	shouldThrow();
281	>	} catch (NullPointerException success) {}
282	>	}
283		}
284	<
284	>
285		/**
286	<	*   getPoolSize increases, but doesn't overestimate, when threads
141	<	*   become active
286	>	* getRejectedExecutionHandler returns handler in constructor if not set
287		*/
288	<	public void testGetPoolSize() {
289	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
290	<	assertEquals(0, p1.getPoolSize());
291	<	p1.execute(new MediumRunnable());
292	<	assertEquals(1, p1.getPoolSize());
293	<	joinPool(p1);
288	>	public void testGetRejectedExecutionHandler() {
289	>	final RejectedExecutionHandler handler = new NoOpREHandler();
290	>	final ThreadPoolExecutor p =
291	>	new ThreadPoolExecutor(1, 2,
292	>	LONG_DELAY_MS, MILLISECONDS,
293	>	new ArrayBlockingQueue<Runnable>(10),
294	>	handler);
295	>	try (PoolCleaner cleaner = cleaner(p)) {
296	>	assertSame(handler, p.getRejectedExecutionHandler());
297	>	}
298		}
299	<
299	>
300		/**
301	<	*   getTaskCount increases, but doesn't overestimate, when tasks submitted
301	>	* setRejectedExecutionHandler sets the handler returned by
302	>	* getRejectedExecutionHandler
303		*/
304	<	public void testGetTaskCount() {
305	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
304	>	public void testSetRejectedExecutionHandler() {
305	>	final ThreadPoolExecutor p =
306	>	new ThreadPoolExecutor(1, 2,
307	>	LONG_DELAY_MS, MILLISECONDS,
308	>	new ArrayBlockingQueue<Runnable>(10));
309	>	try (PoolCleaner cleaner = cleaner(p)) {
310	>	RejectedExecutionHandler handler = new NoOpREHandler();
311	>	p.setRejectedExecutionHandler(handler);
312	>	assertSame(handler, p.getRejectedExecutionHandler());
313	>	}
314	>	}
315	>
316	>	/**
317	>	* setRejectedExecutionHandler(null) throws NPE
318	>	*/
319	>	public void testSetRejectedExecutionHandlerNull() {
320	>	final ThreadPoolExecutor p =
321	>	new ThreadPoolExecutor(1, 2,
322	>	LONG_DELAY_MS, MILLISECONDS,
323	>	new ArrayBlockingQueue<Runnable>(10));
324		try {
325	<	assertEquals(0, p1.getTaskCount());
326	<	p1.execute(new MediumRunnable());
327	<	Thread.sleep(SHORT_DELAY_MS);
328	<	assertEquals(1, p1.getTaskCount());
329	<	} catch(Exception e){
330	<	unexpectedException();
163	<	}
164	<	joinPool(p1);
325	>	p.setRejectedExecutionHandler(null);
326	>	shouldThrow();
327	>	} catch (NullPointerException success) {
328	>	} finally {
329	>	joinPool(p);
330	>	}
331		}
332	<
332	>
333		/**
334	<	*   isShutDown is false before shutdown, true after
334	>	* getLargestPoolSize increases, but doesn't overestimate, when
335	>	* multiple threads active
336		*/
337	<	public void testIsShutdown() {
338	<
339	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
340	<	assertFalse(p1.isShutdown());
341	<	p1.shutdown();
342	<	assertTrue(p1.isShutdown());
343	<	joinPool(p1);
337	>	public void testGetLargestPoolSize() throws InterruptedException {
338	>	final int THREADS = 3;
339	>	final ThreadPoolExecutor p =
340	>	new ThreadPoolExecutor(THREADS, THREADS,
341	>	LONG_DELAY_MS, MILLISECONDS,
342	>	new ArrayBlockingQueue<Runnable>(10));
343	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
344	>	final CountDownLatch done = new CountDownLatch(1);
345	>	try {
346	>	assertEquals(0, p.getLargestPoolSize());
347	>	for (int i = 0; i < THREADS; i++)
348	>	p.execute(new CheckedRunnable() {
349	>	public void realRun() throws InterruptedException {
350	>	threadsStarted.countDown();
351	>	done.await();
352	>	assertEquals(THREADS, p.getLargestPoolSize());
353	>	}});
354	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
355	>	assertEquals(THREADS, p.getLargestPoolSize());
356	>	} finally {
357	>	done.countDown();
358	>	joinPool(p);
359	>	assertEquals(THREADS, p.getLargestPoolSize());
360	>	}
361		}
362
179	–
363		/**
364	<	*  isTerminated is false before termination, true after
364	>	* getMaximumPoolSize returns value given in constructor if not
365	>	* otherwise set
366		*/
367	<	public void testIsTerminated() {
368	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
369	<	assertFalse(p1.isTerminated());
370	<	try {
371	<	p1.execute(new MediumRunnable());
367	>	public void testGetMaximumPoolSize() {
368	>	final ThreadPoolExecutor p =
369	>	new ThreadPoolExecutor(2, 3,
370	>	LONG_DELAY_MS, MILLISECONDS,
371	>	new ArrayBlockingQueue<Runnable>(10));
372	>	assertEquals(3, p.getMaximumPoolSize());
373	>	joinPool(p);
374	>	}
375	>
376	>	/**
377	>	* getPoolSize increases, but doesn't overestimate, when threads
378	>	* become active
379	>	*/
380	>	public void testGetPoolSize() throws InterruptedException {
381	>	final ThreadPoolExecutor p =
382	>	new ThreadPoolExecutor(1, 1,
383	>	LONG_DELAY_MS, MILLISECONDS,
384	>	new ArrayBlockingQueue<Runnable>(10));
385	>	final CountDownLatch threadStarted = new CountDownLatch(1);
386	>	final CountDownLatch done = new CountDownLatch(1);
387	>	try {
388	>	assertEquals(0, p.getPoolSize());
389	>	p.execute(new CheckedRunnable() {
390	>	public void realRun() throws InterruptedException {
391	>	threadStarted.countDown();
392	>	assertEquals(1, p.getPoolSize());
393	>	done.await();
394	>	}});
395	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
396	>	assertEquals(1, p.getPoolSize());
397		} finally {
398	<	p1.shutdown();
398	>	done.countDown();
399	>	joinPool(p);
400		}
191	–	try {
192	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193	–	assertTrue(p1.isTerminated());
194	–	} catch(Exception e){
195	–	unexpectedException();
196	–	}
401		}
402
403		/**
404	<	*  isTerminating is not true when running or when terminated
404	>	* getTaskCount increases, but doesn't overestimate, when tasks submitted
405		*/
406	<	public void testIsTerminating() {
407	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
408	<	assertFalse(p1.isTerminating());
409	<	try {
410	<	p1.execute(new SmallRunnable());
411	<	assertFalse(p1.isTerminating());
406	>	public void testGetTaskCount() throws InterruptedException {
407	>	final ThreadPoolExecutor p =
408	>	new ThreadPoolExecutor(1, 1,
409	>	LONG_DELAY_MS, MILLISECONDS,
410	>	new ArrayBlockingQueue<Runnable>(10));
411	>	final CountDownLatch threadStarted = new CountDownLatch(1);
412	>	final CountDownLatch done = new CountDownLatch(1);
413	>	try {
414	>	assertEquals(0, p.getTaskCount());
415	>	p.execute(new CheckedRunnable() {
416	>	public void realRun() throws InterruptedException {
417	>	threadStarted.countDown();
418	>	assertEquals(1, p.getTaskCount());
419	>	done.await();
420	>	}});
421	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
422	>	assertEquals(1, p.getTaskCount());
423		} finally {
424	<	p1.shutdown();
424	>	done.countDown();
425	>	joinPool(p);
426		}
211	–	try {
212	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
213	–	assertTrue(p1.isTerminated());
214	–	assertFalse(p1.isTerminating());
215	–	} catch(Exception e){
216	–	unexpectedException();
217	–	}
427		}
428
429		/**
430	<	*   purge removes cancelled tasks from the queue
430	>	* isShutdown is false before shutdown, true after
431	>	*/
432	>	public void testIsShutdown() {
433	>	final ThreadPoolExecutor p =
434	>	new ThreadPoolExecutor(1, 1,
435	>	LONG_DELAY_MS, MILLISECONDS,
436	>	new ArrayBlockingQueue<Runnable>(10));
437	>	assertFalse(p.isShutdown());
438	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
439	>	assertTrue(p.isShutdown());
440	>	joinPool(p);
441	>	}
442	>
443	>	/**
444	>	* awaitTermination on a non-shutdown pool times out
445		*/
446	<	public void testPurge() {
447	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
448	<	CancellableTask[] tasks = new CancellableTask[5];
449	<	for(int i = 0; i < 5; i++){
450	<	tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
451	<	p1.execute(tasks[i]);
446	>	public void testAwaitTermination_timesOut() throws InterruptedException {
447	>	final ThreadPoolExecutor p =
448	>	new ThreadPoolExecutor(1, 1,
449	>	LONG_DELAY_MS, MILLISECONDS,
450	>	new ArrayBlockingQueue<Runnable>(10));
451	>	assertFalse(p.isTerminated());
452	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
453	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
454	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
455	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
456	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
457	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
458	>	long timeoutNanos = 999999L;
459	>	long startTime = System.nanoTime();
460	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
461	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
462	>	assertFalse(p.isTerminated());
463	>	startTime = System.nanoTime();
464	>	long timeoutMillis = timeoutMillis();
465	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
466	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
467	>	assertFalse(p.isTerminated());
468	>	p.shutdown();
469	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
470	>	assertTrue(p.isTerminated());
471	>	}
472	>
473	>	/**
474	>	* isTerminated is false before termination, true after
475	>	*/
476	>	public void testIsTerminated() throws InterruptedException {
477	>	final ThreadPoolExecutor p =
478	>	new ThreadPoolExecutor(1, 1,
479	>	LONG_DELAY_MS, MILLISECONDS,
480	>	new ArrayBlockingQueue<Runnable>(10));
481	>	final CountDownLatch threadStarted = new CountDownLatch(1);
482	>	final CountDownLatch done = new CountDownLatch(1);
483	>	assertFalse(p.isTerminated());
484	>	try {
485	>	p.execute(new CheckedRunnable() {
486	>	public void realRun() throws InterruptedException {
487	>	assertFalse(p.isTerminated());
488	>	threadStarted.countDown();
489	>	done.await();
490	>	}});
491	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
492	>	assertFalse(p.isTerminating());
493	>	done.countDown();
494	>	} finally {
495	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
496		}
497	<	tasks[4].cancel(true);
498	<	tasks[3].cancel(true);
232	<	p1.purge();
233	<	long count = p1.getTaskCount();
234	<	assertTrue(count >= 2 && count < 5);
235	<	joinPool(p1);
497	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498	>	assertTrue(p.isTerminated());
499		}
500
501		/**
502	<	*  shutDownNow returns a list containing tasks that were not run
502	>	* isTerminating is not true when running or when terminated
503		*/
504	<	public void testShutDownNow() {
505	<	ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506	<	List l;
507	<	try {
508	<	for(int i = 0; i < 5; i++)
509	<	p1.execute(new MediumPossiblyInterruptedRunnable());
504	>	public void testIsTerminating() throws InterruptedException {
505	>	final ThreadPoolExecutor p =
506	>	new ThreadPoolExecutor(1, 1,
507	>	LONG_DELAY_MS, MILLISECONDS,
508	>	new ArrayBlockingQueue<Runnable>(10));
509	>	final CountDownLatch threadStarted = new CountDownLatch(1);
510	>	final CountDownLatch done = new CountDownLatch(1);
511	>	try {
512	>	assertFalse(p.isTerminating());
513	>	p.execute(new CheckedRunnable() {
514	>	public void realRun() throws InterruptedException {
515	>	assertFalse(p.isTerminating());
516	>	threadStarted.countDown();
517	>	done.await();
518	>	}});
519	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
520	>	assertFalse(p.isTerminating());
521	>	done.countDown();
522	>	} finally {
523	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
524		}
525	<	finally {
526	<	l = p1.shutdownNow();
525	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
526	>	assertTrue(p.isTerminated());
527	>	assertFalse(p.isTerminating());
528	>	}
529	>
530	>	/**
531	>	* getQueue returns the work queue, which contains queued tasks
532	>	*/
533	>	public void testGetQueue() throws InterruptedException {
534	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
535	>	final ThreadPoolExecutor p =
536	>	new ThreadPoolExecutor(1, 1,
537	>	LONG_DELAY_MS, MILLISECONDS,
538	>	q);
539	>	final CountDownLatch threadStarted = new CountDownLatch(1);
540	>	final CountDownLatch done = new CountDownLatch(1);
541	>	try {
542	>	FutureTask[] tasks = new FutureTask[5];
543	>	for (int i = 0; i < tasks.length; i++) {
544	>	Callable task = new CheckedCallable<Boolean>() {
545	>	public Boolean realCall() throws InterruptedException {
546	>	threadStarted.countDown();
547	>	assertSame(q, p.getQueue());
548	>	done.await();
549	>	return Boolean.TRUE;
550	>	}};
551	>	tasks[i] = new FutureTask(task);
552	>	p.execute(tasks[i]);
553	>	}
554	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
555	>	assertSame(q, p.getQueue());
556	>	assertFalse(q.contains(tasks[0]));
557	>	assertTrue(q.contains(tasks[tasks.length - 1]));
558	>	assertEquals(tasks.length - 1, q.size());
559	>	} finally {
560	>	done.countDown();
561	>	joinPool(p);
562	>	}
563	>	}
564	>
565	>	/**
566	>	* remove(task) removes queued task, and fails to remove active task
567	>	*/
568	>	public void testRemove() throws InterruptedException {
569	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
570	>	final ThreadPoolExecutor p =
571	>	new ThreadPoolExecutor(1, 1,
572	>	LONG_DELAY_MS, MILLISECONDS,
573	>	q);
574	>	Runnable[] tasks = new Runnable[5];
575	>	final CountDownLatch threadStarted = new CountDownLatch(1);
576	>	final CountDownLatch done = new CountDownLatch(1);
577	>	try {
578	>	for (int i = 0; i < tasks.length; i++) {
579	>	tasks[i] = new CheckedRunnable() {
580	>	public void realRun() throws InterruptedException {
581	>	threadStarted.countDown();
582	>	done.await();
583	>	}};
584	>	p.execute(tasks[i]);
585	>	}
586	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
587	>	assertFalse(p.remove(tasks[0]));
588	>	assertTrue(q.contains(tasks[4]));
589	>	assertTrue(q.contains(tasks[3]));
590	>	assertTrue(p.remove(tasks[4]));
591	>	assertFalse(p.remove(tasks[4]));
592	>	assertFalse(q.contains(tasks[4]));
593	>	assertTrue(q.contains(tasks[3]));
594	>	assertTrue(p.remove(tasks[3]));
595	>	assertFalse(q.contains(tasks[3]));
596	>	} finally {
597	>	done.countDown();
598	>	joinPool(p);
599		}
600	<	assertTrue(p1.isShutdown());
601	<	assertTrue(l.size() <= 4);
600	>	}
601	>
602	>	/**
603	>	* purge removes cancelled tasks from the queue
604	>	*/
605	>	public void testPurge() throws InterruptedException {
606	>	final CountDownLatch threadStarted = new CountDownLatch(1);
607	>	final CountDownLatch done = new CountDownLatch(1);
608	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
609	>	final ThreadPoolExecutor p =
610	>	new ThreadPoolExecutor(1, 1,
611	>	LONG_DELAY_MS, MILLISECONDS,
612	>	q);
613	>	FutureTask[] tasks = new FutureTask[5];
614	>	try {
615	>	for (int i = 0; i < tasks.length; i++) {
616	>	Callable task = new CheckedCallable<Boolean>() {
617	>	public Boolean realCall() throws InterruptedException {
618	>	threadStarted.countDown();
619	>	done.await();
620	>	return Boolean.TRUE;
621	>	}};
622	>	tasks[i] = new FutureTask(task);
623	>	p.execute(tasks[i]);
624	>	}
625	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
626	>	assertEquals(tasks.length, p.getTaskCount());
627	>	assertEquals(tasks.length - 1, q.size());
628	>	assertEquals(1L, p.getActiveCount());
629	>	assertEquals(0L, p.getCompletedTaskCount());
630	>	tasks[4].cancel(true);
631	>	tasks[3].cancel(false);
632	>	p.purge();
633	>	assertEquals(tasks.length - 3, q.size());
634	>	assertEquals(tasks.length - 2, p.getTaskCount());
635	>	p.purge();         // Nothing to do
636	>	assertEquals(tasks.length - 3, q.size());
637	>	assertEquals(tasks.length - 2, p.getTaskCount());
638	>	} finally {
639	>	done.countDown();
640	>	joinPool(p);
641	>	}
642	>	}
643	>
644	>	/**
645	>	* shutdownNow returns a list containing tasks that were not run,
646	>	* and those tasks are drained from the queue
647	>	*/
648	>	public void testShutdownNow() throws InterruptedException {
649	>	final int poolSize = 2;
650	>	final int count = 5;
651	>	final AtomicInteger ran = new AtomicInteger(0);
652	>	final ThreadPoolExecutor p =
653	>	new ThreadPoolExecutor(poolSize, poolSize,
654	>	LONG_DELAY_MS, MILLISECONDS,
655	>	new ArrayBlockingQueue<Runnable>(10));
656	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
657	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
658	>	threadsStarted.countDown();
659	>	try {
660	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
661	>	} catch (InterruptedException success) {}
662	>	ran.getAndIncrement();
663	>	}};
664	>	for (int i = 0; i < count; i++)
665	>	p.execute(waiter);
666	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
667	>	assertEquals(poolSize, p.getActiveCount());
668	>	assertEquals(0, p.getCompletedTaskCount());
669	>	final List<Runnable> queuedTasks;
670	>	try {
671	>	queuedTasks = p.shutdownNow();
672	>	} catch (SecurityException ok) {
673	>	return; // Allowed in case test doesn't have privs
674	>	}
675	>	assertTrue(p.isShutdown());
676	>	assertTrue(p.getQueue().isEmpty());
677	>	assertEquals(count - poolSize, queuedTasks.size());
678	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
679	>	assertTrue(p.isTerminated());
680	>	assertEquals(poolSize, ran.get());
681	>	assertEquals(poolSize, p.getCompletedTaskCount());
682		}
683
684		// Exception Tests
256	–
685
686	<	/**
687	<	* Constructor throws if corePoolSize argument is less than zero
686	>	/**
687	>	* Constructor throws if corePoolSize argument is less than zero
688		*/
689		public void testConstructor1() {
690		try {
691	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
691	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
692	>	new ArrayBlockingQueue<Runnable>(10));
693		shouldThrow();
694	<	}
266	<	catch (IllegalArgumentException success){}
694	>	} catch (IllegalArgumentException success) {}
695		}
696	<
697	<	/**
698	<	* Constructor throws if maximumPoolSize is less than zero
696	>
697	>	/**
698	>	* Constructor throws if maximumPoolSize is less than zero
699		*/
700		public void testConstructor2() {
701		try {
702	<	new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
702	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
703	>	new ArrayBlockingQueue<Runnable>(10));
704		shouldThrow();
705	<	}
277	<	catch (IllegalArgumentException success){}
705	>	} catch (IllegalArgumentException success) {}
706		}
707	<
708	<	/**
709	<	* Constructor throws if maximumPoolSize is equal to zero
707	>
708	>	/**
709	>	* Constructor throws if maximumPoolSize is equal to zero
710		*/
711		public void testConstructor3() {
712		try {
713	<	new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
713	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
714	>	new ArrayBlockingQueue<Runnable>(10));
715		shouldThrow();
716	<	}
288	<	catch (IllegalArgumentException success){}
716	>	} catch (IllegalArgumentException success) {}
717		}
718
719	<	/**
720	<	* Constructor throws if keepAliveTime is less than zero
719	>	/**
720	>	* Constructor throws if keepAliveTime is less than zero
721		*/
722		public void testConstructor4() {
723		try {
724	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
724	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
725	>	new ArrayBlockingQueue<Runnable>(10));
726		shouldThrow();
727	<	}
299	<	catch (IllegalArgumentException success){}
727	>	} catch (IllegalArgumentException success) {}
728		}
729
730	<	/**
731	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
730	>	/**
731	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
732		*/
733		public void testConstructor5() {
734		try {
735	<	new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
735	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
736	>	new ArrayBlockingQueue<Runnable>(10));
737		shouldThrow();
738	<	}
310	<	catch (IllegalArgumentException success){}
738	>	} catch (IllegalArgumentException success) {}
739		}
740	<
741	<	/**
742	<	* Constructor throws if workQueue is set to null
740	>
741	>	/**
742	>	* Constructor throws if workQueue is set to null
743		*/
744	<	public void testNullPointerException() {
744	>	public void testConstructorNullPointerException() {
745		try {
746	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
746	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
747	>	(BlockingQueue) null);
748		shouldThrow();
749	<	}
321	<	catch (NullPointerException success){}
749	>	} catch (NullPointerException success) {}
750		}
323	–
751
752	<
753	<	/**
327	<	* Constructor throws if corePoolSize argument is less than zero
752	>	/**
753	>	* Constructor throws if corePoolSize argument is less than zero
754		*/
755		public void testConstructor6() {
756		try {
757	<	new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
758	>	new ArrayBlockingQueue<Runnable>(10),
759	>	new SimpleThreadFactory());
760		shouldThrow();
761	<	} catch (IllegalArgumentException success){}
761	>	} catch (IllegalArgumentException success) {}
762		}
763	<
764	<	/**
765	<	* Constructor throws if maximumPoolSize is less than zero
763	>
764	>	/**
765	>	* Constructor throws if maximumPoolSize is less than zero
766		*/
767		public void testConstructor7() {
768		try {
769	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
770	>	new ArrayBlockingQueue<Runnable>(10),
771	>	new SimpleThreadFactory());
772		shouldThrow();
773	<	}
344	<	catch (IllegalArgumentException success){}
773	>	} catch (IllegalArgumentException success) {}
774		}
775
776	<	/**
777	<	* Constructor throws if maximumPoolSize is equal to zero
776	>	/**
777	>	* Constructor throws if maximumPoolSize is equal to zero
778		*/
779		public void testConstructor8() {
780		try {
781	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
781	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
782	>	new ArrayBlockingQueue<Runnable>(10),
783	>	new SimpleThreadFactory());
784		shouldThrow();
785	<	}
355	<	catch (IllegalArgumentException success){}
785	>	} catch (IllegalArgumentException success) {}
786		}
787
788	<	/**
789	<	* Constructor throws if keepAliveTime is less than zero
788	>	/**
789	>	* Constructor throws if keepAliveTime is less than zero
790		*/
791		public void testConstructor9() {
792		try {
793	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
793	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
794	>	new ArrayBlockingQueue<Runnable>(10),
795	>	new SimpleThreadFactory());
796		shouldThrow();
797	<	}
366	<	catch (IllegalArgumentException success){}
797	>	} catch (IllegalArgumentException success) {}
798		}
799
800	<	/**
801	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
800	>	/**
801	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
802		*/
803		public void testConstructor10() {
804		try {
805	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
805	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
806	>	new ArrayBlockingQueue<Runnable>(10),
807	>	new SimpleThreadFactory());
808		shouldThrow();
809	<	}
377	<	catch (IllegalArgumentException success){}
809	>	} catch (IllegalArgumentException success) {}
810		}
811
812	<	/**
813	<	* Constructor throws if workQueue is set to null
812	>	/**
813	>	* Constructor throws if workQueue is set to null
814		*/
815	<	public void testNullPointerException2() {
815	>	public void testConstructorNullPointerException2() {
816		try {
817	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
817	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818	>	(BlockingQueue) null,
819	>	new SimpleThreadFactory());
820		shouldThrow();
821	<	}
388	<	catch (NullPointerException success){}
821	>	} catch (NullPointerException success) {}
822		}
823
824	<	/**
825	<	* Constructor throws if threadFactory is set to null
824	>	/**
825	>	* Constructor throws if threadFactory is set to null
826		*/
827	<	public void testNullPointerException3() {
827	>	public void testConstructorNullPointerException3() {
828		try {
829	<	ThreadFactory f = null;
830	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
829	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
830	>	new ArrayBlockingQueue<Runnable>(10),
831	>	(ThreadFactory) null);
832		shouldThrow();
833	<	}
400	<	catch (NullPointerException success){}
833	>	} catch (NullPointerException success) {}
834		}
835	<
836	<
837	<	/**
405	<	* Constructor throws if corePoolSize argument is less than zero
835	>
836	>	/**
837	>	* Constructor throws if corePoolSize argument is less than zero
838		*/
839		public void testConstructor11() {
840		try {
841	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
841	>	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
842	>	new ArrayBlockingQueue<Runnable>(10),
843	>	new NoOpREHandler());
844		shouldThrow();
845	<	}
412	<	catch (IllegalArgumentException success){}
845	>	} catch (IllegalArgumentException success) {}
846		}
847
848	<	/**
849	<	* Constructor throws if maximumPoolSize is less than zero
848	>	/**
849	>	* Constructor throws if maximumPoolSize is less than zero
850		*/
851		public void testConstructor12() {
852		try {
853	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
853	>	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
854	>	new ArrayBlockingQueue<Runnable>(10),
855	>	new NoOpREHandler());
856		shouldThrow();
857	<	}
423	<	catch (IllegalArgumentException success){}
857	>	} catch (IllegalArgumentException success) {}
858		}
859
860	<	/**
861	<	* Constructor throws if maximumPoolSize is equal to zero
860	>	/**
861	>	* Constructor throws if maximumPoolSize is equal to zero
862		*/
863		public void testConstructor13() {
864		try {
865	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
865	>	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
866	>	new ArrayBlockingQueue<Runnable>(10),
867	>	new NoOpREHandler());
868		shouldThrow();
869	<	}
434	<	catch (IllegalArgumentException success){}
869	>	} catch (IllegalArgumentException success) {}
870		}
871
872	<	/**
873	<	* Constructor throws if keepAliveTime is less than zero
872	>	/**
873	>	* Constructor throws if keepAliveTime is less than zero
874		*/
875		public void testConstructor14() {
876		try {
877	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
877	>	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
878	>	new ArrayBlockingQueue<Runnable>(10),
879	>	new NoOpREHandler());
880		shouldThrow();
881	<	}
445	<	catch (IllegalArgumentException success){}
881	>	} catch (IllegalArgumentException success) {}
882		}
883
884	<	/**
885	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
884	>	/**
885	>	* Constructor throws if corePoolSize is greater than the maximumPoolSize
886		*/
887		public void testConstructor15() {
888		try {
889	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
889	>	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
890	>	new ArrayBlockingQueue<Runnable>(10),
891	>	new NoOpREHandler());
892	>	shouldThrow();
893	>	} catch (IllegalArgumentException success) {}
894	>	}
895	>
896	>	/**
897	>	* Constructor throws if workQueue is set to null
898	>	*/
899	>	public void testConstructorNullPointerException4() {
900	>	try {
901	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902	>	(BlockingQueue) null,
903	>	new NoOpREHandler());
904	>	shouldThrow();
905	>	} catch (NullPointerException success) {}
906	>	}
907	>
908	>	/**
909	>	* Constructor throws if handler is set to null
910	>	*/
911	>	public void testConstructorNullPointerException5() {
912	>	try {
913	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
914	>	new ArrayBlockingQueue<Runnable>(10),
915	>	(RejectedExecutionHandler) null);
916		shouldThrow();
917	+	} catch (NullPointerException success) {}
918	+	}
919	+
920	+	/**
921	+	* Constructor throws if corePoolSize argument is less than zero
922	+	*/
923	+	public void testConstructor16() {
924	+	try {
925	+	new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
926	+	new ArrayBlockingQueue<Runnable>(10),
927	+	new SimpleThreadFactory(),
928	+	new NoOpREHandler());
929	+	shouldThrow();
930	+	} catch (IllegalArgumentException success) {}
931	+	}
932	+
933	+	/**
934	+	* Constructor throws if maximumPoolSize is less than zero
935	+	*/
936	+	public void testConstructor17() {
937	+	try {
938	+	new ThreadPoolExecutor(1, -1, 1L, SECONDS,
939	+	new ArrayBlockingQueue<Runnable>(10),
940	+	new SimpleThreadFactory(),
941	+	new NoOpREHandler());
942	+	shouldThrow();
943	+	} catch (IllegalArgumentException success) {}
944	+	}
945	+
946	+	/**
947	+	* Constructor throws if maximumPoolSize is equal to zero
948	+	*/
949	+	public void testConstructor18() {
950	+	try {
951	+	new ThreadPoolExecutor(1, 0, 1L, SECONDS,
952	+	new ArrayBlockingQueue<Runnable>(10),
953	+	new SimpleThreadFactory(),
954	+	new NoOpREHandler());
955	+	shouldThrow();
956	+	} catch (IllegalArgumentException success) {}
957	+	}
958	+
959	+	/**
960	+	* Constructor throws if keepAliveTime is less than zero
961	+	*/
962	+	public void testConstructor19() {
963	+	try {
964	+	new ThreadPoolExecutor(1, 2, -1L, SECONDS,
965	+	new ArrayBlockingQueue<Runnable>(10),
966	+	new SimpleThreadFactory(),
967	+	new NoOpREHandler());
968	+	shouldThrow();
969	+	} catch (IllegalArgumentException success) {}
970	+	}
971	+
972	+	/**
973	+	* Constructor throws if corePoolSize is greater than the maximumPoolSize
974	+	*/
975	+	public void testConstructor20() {
976	+	try {
977	+	new ThreadPoolExecutor(2, 1, 1L, SECONDS,
978	+	new ArrayBlockingQueue<Runnable>(10),
979	+	new SimpleThreadFactory(),
980	+	new NoOpREHandler());
981	+	shouldThrow();
982	+	} catch (IllegalArgumentException success) {}
983	+	}
984	+
985	+	/**
986	+	* Constructor throws if workQueue is null
987	+	*/
988	+	public void testConstructorNullPointerException6() {
989	+	try {
990	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
991	+	(BlockingQueue) null,
992	+	new SimpleThreadFactory(),
993	+	new NoOpREHandler());
994	+	shouldThrow();
995	+	} catch (NullPointerException success) {}
996	+	}
997	+
998	+	/**
999	+	* Constructor throws if handler is null
1000	+	*/
1001	+	public void testConstructorNullPointerException7() {
1002	+	try {
1003	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1004	+	new ArrayBlockingQueue<Runnable>(10),
1005	+	new SimpleThreadFactory(),
1006	+	(RejectedExecutionHandler) null);
1007	+	shouldThrow();
1008	+	} catch (NullPointerException success) {}
1009	+	}
1010	+
1011	+	/**
1012	+	* Constructor throws if ThreadFactory is null
1013	+	*/
1014	+	public void testConstructorNullPointerException8() {
1015	+	try {
1016	+	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1017	+	new ArrayBlockingQueue<Runnable>(10),
1018	+	(ThreadFactory) null,
1019	+	new NoOpREHandler());
1020	+	shouldThrow();
1021	+	} catch (NullPointerException success) {}
1022	+	}
1023	+
1024	+	/**
1025	+	* get of submitted callable throws InterruptedException if interrupted
1026	+	*/
1027	+	public void testInterruptedSubmit() throws InterruptedException {
1028	+	final ThreadPoolExecutor p =
1029	+	new ThreadPoolExecutor(1, 1,
1030	+	60, SECONDS,
1031	+	new ArrayBlockingQueue<Runnable>(10));
1032	+
1033	+	final CountDownLatch threadStarted = new CountDownLatch(1);
1034	+	final CountDownLatch done = new CountDownLatch(1);
1035	+	try {
1036	+	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1037	+	public void realRun() throws Exception {
1038	+	Callable task = new CheckedCallable<Boolean>() {
1039	+	public Boolean realCall() throws InterruptedException {
1040	+	threadStarted.countDown();
1041	+	done.await();
1042	+	return Boolean.TRUE;
1043	+	}};
1044	+	p.submit(task).get();
1045	+	}});
1046	+
1047	+	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1048	+	t.interrupt();
1049	+	awaitTermination(t, MEDIUM_DELAY_MS);
1050	+	} finally {
1051	+	done.countDown();
1052	+	joinPool(p);
1053	+	}
1054	+	}
1055	+
1056	+	/**
1057	+	* execute throws RejectedExecutionException if saturated.
1058	+	*/
1059	+	public void testSaturatedExecute() {
1060	+	ThreadPoolExecutor p =
1061	+	new ThreadPoolExecutor(1, 1,
1062	+	LONG_DELAY_MS, MILLISECONDS,
1063	+	new ArrayBlockingQueue<Runnable>(1));
1064	+	final CountDownLatch done = new CountDownLatch(1);
1065	+	try {
1066	+	Runnable task = new CheckedRunnable() {
1067	+	public void realRun() throws InterruptedException {
1068	+	done.await();
1069	+	}};
1070	+	for (int i = 0; i < 2; ++i)
1071	+	p.execute(task);
1072	+	for (int i = 0; i < 2; ++i) {
1073	+	try {
1074	+	p.execute(task);
1075	+	shouldThrow();
1076	+	} catch (RejectedExecutionException success) {}
1077	+	assertTrue(p.getTaskCount() <= 2);
1078	+	}
1079	+	} finally {
1080	+	done.countDown();
1081	+	joinPool(p);
1082	+	}
1083	+	}
1084	+
1085	+	/**
1086	+	* submit(runnable) throws RejectedExecutionException if saturated.
1087	+	*/
1088	+	public void testSaturatedSubmitRunnable() {
1089	+	ThreadPoolExecutor p =
1090	+	new ThreadPoolExecutor(1, 1,
1091	+	LONG_DELAY_MS, MILLISECONDS,
1092	+	new ArrayBlockingQueue<Runnable>(1));
1093	+	final CountDownLatch done = new CountDownLatch(1);
1094	+	try {
1095	+	Runnable task = new CheckedRunnable() {
1096	+	public void realRun() throws InterruptedException {
1097	+	done.await();
1098	+	}};
1099	+	for (int i = 0; i < 2; ++i)
1100	+	p.submit(task);
1101	+	for (int i = 0; i < 2; ++i) {
1102	+	try {
1103	+	p.execute(task);
1104	+	shouldThrow();
1105	+	} catch (RejectedExecutionException success) {}
1106	+	assertTrue(p.getTaskCount() <= 2);
1107	+	}
1108	+	} finally {
1109	+	done.countDown();
1110	+	joinPool(p);
1111	+	}
1112	+	}
1113	+
1114	+	/**
1115	+	* submit(callable) throws RejectedExecutionException if saturated.
1116	+	*/
1117	+	public void testSaturatedSubmitCallable() {
1118	+	ThreadPoolExecutor p =
1119	+	new ThreadPoolExecutor(1, 1,
1120	+	LONG_DELAY_MS, MILLISECONDS,
1121	+	new ArrayBlockingQueue<Runnable>(1));
1122	+	final CountDownLatch done = new CountDownLatch(1);
1123	+	try {
1124	+	Runnable task = new CheckedRunnable() {
1125	+	public void realRun() throws InterruptedException {
1126	+	done.await();
1127	+	}};
1128	+	for (int i = 0; i < 2; ++i)
1129	+	p.submit(Executors.callable(task));
1130	+	for (int i = 0; i < 2; ++i) {
1131	+	try {
1132	+	p.execute(task);
1133	+	shouldThrow();
1134	+	} catch (RejectedExecutionException success) {}
1135	+	assertTrue(p.getTaskCount() <= 2);
1136	+	}
1137	+	} finally {
1138	+	done.countDown();
1139	+	joinPool(p);
1140	+	}
1141	+	}
1142	+
1143	+	/**
1144	+	* executor using CallerRunsPolicy runs task if saturated.
1145	+	*/
1146	+	public void testSaturatedExecute2() {
1147	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1148	+	final ThreadPoolExecutor p =
1149	+	new ThreadPoolExecutor(1, 1,
1150	+	LONG_DELAY_MS,
1151	+	MILLISECONDS,
1152	+	new ArrayBlockingQueue<Runnable>(1),
1153	+	h);
1154	+	try {
1155	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1156	+	for (int i = 0; i < tasks.length; ++i)
1157	+	tasks[i] = new TrackedNoOpRunnable();
1158	+	TrackedLongRunnable mr = new TrackedLongRunnable();
1159	+	p.execute(mr);
1160	+	for (int i = 0; i < tasks.length; ++i)
1161	+	p.execute(tasks[i]);
1162	+	for (int i = 1; i < tasks.length; ++i)
1163	+	assertTrue(tasks[i].done);
1164	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1165	+	} finally {
1166	+	joinPool(p);
1167	+	}
1168	+	}
1169	+
1170	+	/**
1171	+	* executor using DiscardPolicy drops task if saturated.
1172	+	*/
1173	+	public void testSaturatedExecute3() {
1174	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1175	+	final ThreadPoolExecutor p =
1176	+	new ThreadPoolExecutor(1, 1,
1177	+	LONG_DELAY_MS, MILLISECONDS,
1178	+	new ArrayBlockingQueue<Runnable>(1),
1179	+	h);
1180	+	try {
1181	+	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1182	+	for (int i = 0; i < tasks.length; ++i)
1183	+	tasks[i] = new TrackedNoOpRunnable();
1184	+	p.execute(new TrackedLongRunnable());
1185	+	for (TrackedNoOpRunnable task : tasks)
1186	+	p.execute(task);
1187	+	for (TrackedNoOpRunnable task : tasks)
1188	+	assertFalse(task.done);
1189	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1190	+	} finally {
1191	+	joinPool(p);
1192	+	}
1193	+	}
1194	+
1195	+	/**
1196	+	* executor using DiscardOldestPolicy drops oldest task if saturated.
1197	+	*/
1198	+	public void testSaturatedExecute4() {
1199	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1200	+	final ThreadPoolExecutor p =
1201	+	new ThreadPoolExecutor(1, 1,
1202	+	LONG_DELAY_MS, MILLISECONDS,
1203	+	new ArrayBlockingQueue<Runnable>(1),
1204	+	h);
1205	+	try {
1206	+	p.execute(new TrackedLongRunnable());
1207	+	TrackedLongRunnable r2 = new TrackedLongRunnable();
1208	+	p.execute(r2);
1209	+	assertTrue(p.getQueue().contains(r2));
1210	+	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1211	+	p.execute(r3);
1212	+	assertFalse(p.getQueue().contains(r2));
1213	+	assertTrue(p.getQueue().contains(r3));
1214	+	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1215	+	} finally {
1216	+	joinPool(p);
1217		}
456	–	catch (IllegalArgumentException success){}
1218		}
1219
1220	<	/**
1221	<	* Constructor throws if workQueue is set to null
1220	>	/**
1221	>	* execute throws RejectedExecutionException if shutdown
1222		*/
1223	<	public void testNullPointerException4() {
1223	>	public void testRejectedExecutionExceptionOnShutdown() {
1224	>	ThreadPoolExecutor p =
1225	>	new ThreadPoolExecutor(1, 1,
1226	>	LONG_DELAY_MS, MILLISECONDS,
1227	>	new ArrayBlockingQueue<Runnable>(1));
1228	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1229		try {
1230	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1230	>	p.execute(new NoOpRunnable());
1231		shouldThrow();
1232	+	} catch (RejectedExecutionException success) {}
1233	+
1234	+	joinPool(p);
1235	+	}
1236	+
1237	+	/**
1238	+	* execute using CallerRunsPolicy drops task on shutdown
1239	+	*/
1240	+	public void testCallerRunsOnShutdown() {
1241	+	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1242	+	final ThreadPoolExecutor p =
1243	+	new ThreadPoolExecutor(1, 1,
1244	+	LONG_DELAY_MS, MILLISECONDS,
1245	+	new ArrayBlockingQueue<Runnable>(1), h);
1246	+
1247	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1248	+	try {
1249	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1250	+	p.execute(r);
1251	+	assertFalse(r.done);
1252	+	} finally {
1253	+	joinPool(p);
1254	+	}
1255	+	}
1256	+
1257	+	/**
1258	+	* execute using DiscardPolicy drops task on shutdown
1259	+	*/
1260	+	public void testDiscardOnShutdown() {
1261	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1262	+	ThreadPoolExecutor p =
1263	+	new ThreadPoolExecutor(1, 1,
1264	+	LONG_DELAY_MS, MILLISECONDS,
1265	+	new ArrayBlockingQueue<Runnable>(1),
1266	+	h);
1267	+
1268	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1269	+	try {
1270	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271	+	p.execute(r);
1272	+	assertFalse(r.done);
1273	+	} finally {
1274	+	joinPool(p);
1275	+	}
1276	+	}
1277	+
1278	+	/**
1279	+	* execute using DiscardOldestPolicy drops task on shutdown
1280	+	*/
1281	+	public void testDiscardOldestOnShutdown() {
1282	+	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1283	+	ThreadPoolExecutor p =
1284	+	new ThreadPoolExecutor(1, 1,
1285	+	LONG_DELAY_MS, MILLISECONDS,
1286	+	new ArrayBlockingQueue<Runnable>(1),
1287	+	h);
1288	+
1289	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1290	+	try {
1291	+	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1292	+	p.execute(r);
1293	+	assertFalse(r.done);
1294	+	} finally {
1295	+	joinPool(p);
1296		}
467	–	catch (NullPointerException success){}
1297		}
1298
1299	<	/**
1300	<	* Constructor throws if handler is set to null
1299	>	/**
1300	>	* execute(null) throws NPE
1301		*/
1302	<	public void testNullPointerException5() {
1302	>	public void testExecuteNull() {
1303	>	ThreadPoolExecutor p =
1304	>	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1305	>	new ArrayBlockingQueue<Runnable>(10));
1306		try {
1307	<	RejectedExecutionHandler r = null;
476	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1307	>	p.execute(null);
1308		shouldThrow();
1309	+	} catch (NullPointerException success) {}
1310	+
1311	+	joinPool(p);
1312	+	}
1313	+
1314	+	/**
1315	+	* setCorePoolSize of negative value throws IllegalArgumentException
1316	+	*/
1317	+	public void testCorePoolSizeIllegalArgumentException() {
1318	+	ThreadPoolExecutor p =
1319	+	new ThreadPoolExecutor(1, 2,
1320	+	LONG_DELAY_MS, MILLISECONDS,
1321	+	new ArrayBlockingQueue<Runnable>(10));
1322	+	try {
1323	+	p.setCorePoolSize(-1);
1324	+	shouldThrow();
1325	+	} catch (IllegalArgumentException success) {
1326	+	} finally {
1327	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1328		}
1329	<	catch (NullPointerException success){}
1329	>	joinPool(p);
1330		}
1331
1332	<
1333	<	/**
1334	<	* Constructor throws if corePoolSize argument is less than zero
1332	>	/**
1333	>	* setMaximumPoolSize(int) throws IllegalArgumentException if
1334	>	* given a value less the core pool size
1335		*/
1336	<	public void testConstructor16() {
1336	>	public void testMaximumPoolSizeIllegalArgumentException() {
1337	>	ThreadPoolExecutor p =
1338	>	new ThreadPoolExecutor(2, 3,
1339	>	LONG_DELAY_MS, MILLISECONDS,
1340	>	new ArrayBlockingQueue<Runnable>(10));
1341		try {
1342	<	new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1342	>	p.setMaximumPoolSize(1);
1343		shouldThrow();
1344	+	} catch (IllegalArgumentException success) {
1345	+	} finally {
1346	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1347		}
1348	<	catch (IllegalArgumentException success){}
1348	>	joinPool(p);
1349		}
1350
1351	<	/**
1352	<	* Constructor throws if maximumPoolSize is less than zero
1351	>	/**
1352	>	* setMaximumPoolSize throws IllegalArgumentException
1353	>	* if given a negative value
1354		*/
1355	<	public void testConstructor17() {
1355	>	public void testMaximumPoolSizeIllegalArgumentException2() {
1356	>	ThreadPoolExecutor p =
1357	>	new ThreadPoolExecutor(2, 3,
1358	>	LONG_DELAY_MS, MILLISECONDS,
1359	>	new ArrayBlockingQueue<Runnable>(10));
1360		try {
1361	<	new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1361	>	p.setMaximumPoolSize(-1);
1362		shouldThrow();
1363	+	} catch (IllegalArgumentException success) {
1364	+	} finally {
1365	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1366		}
1367	<	catch (IllegalArgumentException success){}
1367	>	joinPool(p);
1368		}
1369
1370	<	/**
1371	<	* Constructor throws if maximumPoolSize is equal to zero
1370	>	/**
1371	>	* Configuration changes that allow core pool size greater than
1372	>	* max pool size result in IllegalArgumentException.
1373		*/
1374	<	public void testConstructor18() {
1374	>	public void testPoolSizeInvariants() {
1375	>	ThreadPoolExecutor p =
1376	>	new ThreadPoolExecutor(1, 1,
1377	>	LONG_DELAY_MS, MILLISECONDS,
1378	>	new ArrayBlockingQueue<Runnable>(10));
1379	>	for (int s = 1; s < 5; s++) {
1380	>	p.setMaximumPoolSize(s);
1381	>	p.setCorePoolSize(s);
1382	>	try {
1383	>	p.setMaximumPoolSize(s - 1);
1384	>	shouldThrow();
1385	>	} catch (IllegalArgumentException success) {}
1386	>	assertEquals(s, p.getCorePoolSize());
1387	>	assertEquals(s, p.getMaximumPoolSize());
1388	>	try {
1389	>	p.setCorePoolSize(s + 1);
1390	>	shouldThrow();
1391	>	} catch (IllegalArgumentException success) {}
1392	>	assertEquals(s, p.getCorePoolSize());
1393	>	assertEquals(s, p.getMaximumPoolSize());
1394	>	}
1395	>	joinPool(p);
1396	>	}
1397	>
1398	>	/**
1399	>	* setKeepAliveTime throws IllegalArgumentException
1400	>	* when given a negative value
1401	>	*/
1402	>	public void testKeepAliveTimeIllegalArgumentException() {
1403	>	ThreadPoolExecutor p =
1404	>	new ThreadPoolExecutor(2, 3,
1405	>	LONG_DELAY_MS, MILLISECONDS,
1406	>	new ArrayBlockingQueue<Runnable>(10));
1407		try {
1408	<	new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1408	>	p.setKeepAliveTime(-1,MILLISECONDS);
1409		shouldThrow();
1410	+	} catch (IllegalArgumentException success) {
1411	+	} finally {
1412	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
1413		}
1414	<	catch (IllegalArgumentException success){}
1414	>	joinPool(p);
1415		}
1416
1417	<	/**
1418	<	* Constructor throws if keepAliveTime is less than zero
1417	>	/**
1418	>	* terminated() is called on termination
1419		*/
1420	<	public void testConstructor19() {
1420	>	public void testTerminated() {
1421	>	ExtendedTPE p = new ExtendedTPE();
1422	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1423	>	assertTrue(p.terminatedCalled());
1424	>	joinPool(p);
1425	>	}
1426	>
1427	>	/**
1428	>	* beforeExecute and afterExecute are called when executing task
1429	>	*/
1430	>	public void testBeforeAfter() throws InterruptedException {
1431	>	ExtendedTPE p = new ExtendedTPE();
1432	>	try {
1433	>	final CountDownLatch done = new CountDownLatch(1);
1434	>	p.execute(new CheckedRunnable() {
1435	>	public void realRun() {
1436	>	done.countDown();
1437	>	}});
1438	>	await(p.afterCalled);
1439	>	assertEquals(0, done.getCount());
1440	>	assertTrue(p.afterCalled());
1441	>	assertTrue(p.beforeCalled());
1442	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1443	>	} finally {
1444	>	joinPool(p);
1445	>	}
1446	>	}
1447	>
1448	>	/**
1449	>	* completed submit of callable returns result
1450	>	*/
1451	>	public void testSubmitCallable() throws Exception {
1452	>	ExecutorService e =
1453	>	new ThreadPoolExecutor(2, 2,
1454	>	LONG_DELAY_MS, MILLISECONDS,
1455	>	new ArrayBlockingQueue<Runnable>(10));
1456	>	try {
1457	>	Future<String> future = e.submit(new StringTask());
1458	>	String result = future.get();
1459	>	assertSame(TEST_STRING, result);
1460	>	} finally {
1461	>	joinPool(e);
1462	>	}
1463	>	}
1464	>
1465	>	/**
1466	>	* completed submit of runnable returns successfully
1467	>	*/
1468	>	public void testSubmitRunnable() throws Exception {
1469	>	ExecutorService e =
1470	>	new ThreadPoolExecutor(2, 2,
1471	>	LONG_DELAY_MS, MILLISECONDS,
1472	>	new ArrayBlockingQueue<Runnable>(10));
1473	>	try {
1474	>	Future<?> future = e.submit(new NoOpRunnable());
1475	>	future.get();
1476	>	assertTrue(future.isDone());
1477	>	} finally {
1478	>	joinPool(e);
1479	>	}
1480	>	}
1481	>
1482	>	/**
1483	>	* completed submit of (runnable, result) returns result
1484	>	*/
1485	>	public void testSubmitRunnable2() throws Exception {
1486	>	ExecutorService e =
1487	>	new ThreadPoolExecutor(2, 2,
1488	>	LONG_DELAY_MS, MILLISECONDS,
1489	>	new ArrayBlockingQueue<Runnable>(10));
1490		try {
1491	<	new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1491	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1492	>	String result = future.get();
1493	>	assertSame(TEST_STRING, result);
1494	>	} finally {
1495	>	joinPool(e);
1496	>	}
1497	>	}
1498	>
1499	>	/**
1500	>	* invokeAny(null) throws NPE
1501	>	*/
1502	>	public void testInvokeAny1() throws Exception {
1503	>	ExecutorService e =
1504	>	new ThreadPoolExecutor(2, 2,
1505	>	LONG_DELAY_MS, MILLISECONDS,
1506	>	new ArrayBlockingQueue<Runnable>(10));
1507	>	try {
1508	>	e.invokeAny(null);
1509		shouldThrow();
1510	+	} catch (NullPointerException success) {
1511	+	} finally {
1512	+	joinPool(e);
1513		}
524	–	catch (IllegalArgumentException success){}
1514		}
1515
1516	<	/**
1517	<	* Constructor throws if corePoolSize is greater than the maximumPoolSize
1516	>	/**
1517	>	* invokeAny(empty collection) throws IAE
1518		*/
1519	<	public void testConstructor20() {
1519	>	public void testInvokeAny2() throws Exception {
1520	>	ExecutorService e =
1521	>	new ThreadPoolExecutor(2, 2,
1522	>	LONG_DELAY_MS, MILLISECONDS,
1523	>	new ArrayBlockingQueue<Runnable>(10));
1524		try {
1525	<	new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1525	>	e.invokeAny(new ArrayList<Callable<String>>());
1526		shouldThrow();
1527	+	} catch (IllegalArgumentException success) {
1528	+	} finally {
1529	+	joinPool(e);
1530		}
535	–	catch (IllegalArgumentException success){}
1531		}
1532
1533	<	/**
1534	<	* Constructor throws if workQueue is set to null
1533	>	/**
1534	>	* invokeAny(c) throws NPE if c has null elements
1535		*/
1536	<	public void testNullPointerException6() {
1536	>	public void testInvokeAny3() throws Exception {
1537	>	final CountDownLatch latch = new CountDownLatch(1);
1538	>	final ExecutorService e =
1539	>	new ThreadPoolExecutor(2, 2,
1540	>	LONG_DELAY_MS, MILLISECONDS,
1541	>	new ArrayBlockingQueue<Runnable>(10));
1542	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1543	>	l.add(latchAwaitingStringTask(latch));
1544	>	l.add(null);
1545		try {
1546	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1546	>	e.invokeAny(l);
1547		shouldThrow();
1548	+	} catch (NullPointerException success) {
1549	+	} finally {
1550	+	latch.countDown();
1551	+	joinPool(e);
1552		}
546	–	catch (NullPointerException success){}
1553		}
1554
1555	<	/**
1556	<	* Constructor throws if handler is set to null
1555	>	/**
1556	>	* invokeAny(c) throws ExecutionException if no task completes
1557		*/
1558	<	public void testNullPointerException7() {
1558	>	public void testInvokeAny4() throws Exception {
1559	>	ExecutorService e =
1560	>	new ThreadPoolExecutor(2, 2,
1561	>	LONG_DELAY_MS, MILLISECONDS,
1562	>	new ArrayBlockingQueue<Runnable>(10));
1563	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1564	>	l.add(new NPETask());
1565		try {
1566	<	RejectedExecutionHandler r = null;
555	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1566	>	e.invokeAny(l);
1567		shouldThrow();
1568	+	} catch (ExecutionException success) {
1569	+	assertTrue(success.getCause() instanceof NullPointerException);
1570	+	} finally {
1571	+	joinPool(e);
1572		}
558	–	catch (NullPointerException success){}
1573		}
1574
1575	<	/**
1576	<	* Constructor throws if ThreadFactory is set top null
1575	>	/**
1576	>	* invokeAny(c) returns result of some task
1577		*/
1578	<	public void testNullPointerException8() {
1578	>	public void testInvokeAny5() throws Exception {
1579	>	ExecutorService e =
1580	>	new ThreadPoolExecutor(2, 2,
1581	>	LONG_DELAY_MS, MILLISECONDS,
1582	>	new ArrayBlockingQueue<Runnable>(10));
1583		try {
1584	<	ThreadFactory f = null;
1585	<	new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1584	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1585	>	l.add(new StringTask());
1586	>	l.add(new StringTask());
1587	>	String result = e.invokeAny(l);
1588	>	assertSame(TEST_STRING, result);
1589	>	} finally {
1590	>	joinPool(e);
1591	>	}
1592	>	}
1593	>
1594	>	/**
1595	>	* invokeAll(null) throws NPE
1596	>	*/
1597	>	public void testInvokeAll1() throws Exception {
1598	>	ExecutorService e =
1599	>	new ThreadPoolExecutor(2, 2,
1600	>	LONG_DELAY_MS, MILLISECONDS,
1601	>	new ArrayBlockingQueue<Runnable>(10));
1602	>	try {
1603	>	e.invokeAll(null);
1604		shouldThrow();
1605	+	} catch (NullPointerException success) {
1606	+	} finally {
1607	+	joinPool(e);
1608		}
570	–	catch (NullPointerException successdn8){}
1609		}
572	–
1610
1611		/**
1612	<	*  execute throws RejectedExecutionException if shutdown
1612	>	* invokeAll(empty collection) returns empty collection
1613		*/
1614	<	public void testRejectedExecutionException() {
1615	<	ThreadPoolExecutor tpe = null;
1614	>	public void testInvokeAll2() throws InterruptedException {
1615	>	ExecutorService e =
1616	>	new ThreadPoolExecutor(2, 2,
1617	>	LONG_DELAY_MS, MILLISECONDS,
1618	>	new ArrayBlockingQueue<Runnable>(10));
1619		try {
1620	<	tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1621	<	} catch(Exception e){}
1622	<	tpe.shutdown();
1623	<	try {
1624	<	tpe.execute(new NoOpRunnable());
585	<	shouldThrow();
586	<	} catch(RejectedExecutionException success){}
587	<
588	<	joinPool(tpe);
1620	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1621	>	assertTrue(r.isEmpty());
1622	>	} finally {
1623	>	joinPool(e);
1624	>	}
1625		}
1626
1627		/**
1628	<	*  execute throws RejectedExecutionException
593	<	*  if saturated.
1628	>	* invokeAll(c) throws NPE if c has null elements
1629		*/
1630	<	public void testSaturatedExecute() {
1631	<	ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1630	>	public void testInvokeAll3() throws Exception {
1631	>	ExecutorService e =
1632	>	new ThreadPoolExecutor(2, 2,
1633	>	LONG_DELAY_MS, MILLISECONDS,
1634	>	new ArrayBlockingQueue<Runnable>(10));
1635	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1636	>	l.add(new StringTask());
1637	>	l.add(null);
1638		try {
1639	<
1640	<	for(int i = 0; i < 5; ++i){
1641	<	p.execute(new MediumRunnable());
1639	>	e.invokeAll(l);
1640	>	shouldThrow();
1641	>	} catch (NullPointerException success) {
1642	>	} finally {
1643	>	joinPool(e);
1644	>	}
1645	>	}
1646	>
1647	>	/**
1648	>	* get of element of invokeAll(c) throws exception on failed task
1649	>	*/
1650	>	public void testInvokeAll4() throws Exception {
1651	>	ExecutorService e =
1652	>	new ThreadPoolExecutor(2, 2,
1653	>	LONG_DELAY_MS, MILLISECONDS,
1654	>	new ArrayBlockingQueue<Runnable>(10));
1655	>	try {
1656	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1657	>	l.add(new NPETask());
1658	>	List<Future<String>> futures = e.invokeAll(l);
1659	>	assertEquals(1, futures.size());
1660	>	try {
1661	>	futures.get(0).get();
1662	>	shouldThrow();
1663	>	} catch (ExecutionException success) {
1664	>	assertTrue(success.getCause() instanceof NullPointerException);
1665		}
1666	+	} finally {
1667	+	joinPool(e);
1668	+	}
1669	+	}
1670	+
1671	+	/**
1672	+	* invokeAll(c) returns results of all completed tasks
1673	+	*/
1674	+	public void testInvokeAll5() throws Exception {
1675	+	ExecutorService e =
1676	+	new ThreadPoolExecutor(2, 2,
1677	+	LONG_DELAY_MS, MILLISECONDS,
1678	+	new ArrayBlockingQueue<Runnable>(10));
1679	+	try {
1680	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1681	+	l.add(new StringTask());
1682	+	l.add(new StringTask());
1683	+	List<Future<String>> futures = e.invokeAll(l);
1684	+	assertEquals(2, futures.size());
1685	+	for (Future<String> future : futures)
1686	+	assertSame(TEST_STRING, future.get());
1687	+	} finally {
1688	+	joinPool(e);
1689	+	}
1690	+	}
1691	+
1692	+	/**
1693	+	* timed invokeAny(null) throws NPE
1694	+	*/
1695	+	public void testTimedInvokeAny1() throws Exception {
1696	+	ExecutorService e =
1697	+	new ThreadPoolExecutor(2, 2,
1698	+	LONG_DELAY_MS, MILLISECONDS,
1699	+	new ArrayBlockingQueue<Runnable>(10));
1700	+	try {
1701	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1702		shouldThrow();
1703	<	} catch(RejectedExecutionException success){}
1704	<	joinPool(p);
1703	>	} catch (NullPointerException success) {
1704	>	} finally {
1705	>	joinPool(e);
1706	>	}
1707		}
1708
1709		/**
1710	<	*  execute (null) throws NPE
1710	>	* timed invokeAny(,,null) throws NPE
1711		*/
1712	<	public void testExecuteNull() {
1713	<	ThreadPoolExecutor tpe = null;
1712	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1713	>	ExecutorService e =
1714	>	new ThreadPoolExecutor(2, 2,
1715	>	LONG_DELAY_MS, MILLISECONDS,
1716	>	new ArrayBlockingQueue<Runnable>(10));
1717	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1718	>	l.add(new StringTask());
1719		try {
1720	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614	<	tpe.execute(null);
1720	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1721		shouldThrow();
1722	<	} catch(NullPointerException success){}
1723	<
1724	<	joinPool(tpe);
1722	>	} catch (NullPointerException success) {
1723	>	} finally {
1724	>	joinPool(e);
1725	>	}
1726		}
1727	<
1727	>
1728		/**
1729	<	*  setCorePoolSize of netaitev value throws IllegalArgumentException
1729	>	* timed invokeAny(empty collection) throws IAE
1730		*/
1731	<	public void testCorePoolSizeIllegalArgumentException() {
1732	<	ThreadPoolExecutor tpe = null;
1733	<	try {
1734	<	tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1735	<	} catch(Exception e){}
629	<	try {
630	<	tpe.setCorePoolSize(-1);
631	<	shouldThrow();
632	<	} catch(IllegalArgumentException success){
633	<	} finally {
634	<	tpe.shutdown();
635	<	}
636	<	joinPool(tpe);
637	<	}
638	<
639	<	/**
640	<	*  setMaximumPoolSize(int) throws IllegalArgumentException if
641	<	*  given a value less the core pool size
642	<	*/
643	<	public void testMaximumPoolSizeIllegalArgumentException() {
644	<	ThreadPoolExecutor tpe = null;
1731	>	public void testTimedInvokeAny2() throws Exception {
1732	>	ExecutorService e =
1733	>	new ThreadPoolExecutor(2, 2,
1734	>	LONG_DELAY_MS, MILLISECONDS,
1735	>	new ArrayBlockingQueue<Runnable>(10));
1736		try {
1737	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1738	<	} catch(Exception e){}
1737	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1738	>	shouldThrow();
1739	>	} catch (IllegalArgumentException success) {
1740	>	} finally {
1741	>	joinPool(e);
1742	>	}
1743	>	}
1744	>
1745	>	/**
1746	>	* timed invokeAny(c) throws NPE if c has null elements
1747	>	*/
1748	>	public void testTimedInvokeAny3() throws Exception {
1749	>	final CountDownLatch latch = new CountDownLatch(1);
1750	>	final ExecutorService e =
1751	>	new ThreadPoolExecutor(2, 2,
1752	>	LONG_DELAY_MS, MILLISECONDS,
1753	>	new ArrayBlockingQueue<Runnable>(10));
1754	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1755	>	l.add(latchAwaitingStringTask(latch));
1756	>	l.add(null);
1757		try {
1758	<	tpe.setMaximumPoolSize(1);
1758	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1759		shouldThrow();
1760	<	} catch(IllegalArgumentException success){
1760	>	} catch (NullPointerException success) {
1761		} finally {
1762	<	tpe.shutdown();
1762	>	latch.countDown();
1763	>	joinPool(e);
1764		}
655	–	joinPool(tpe);
1765		}
1766	<
1766	>
1767		/**
1768	<	*  setMaximumPoolSize throws IllegalArgumentException
660	<	*  if given a negative value
1768	>	* timed invokeAny(c) throws ExecutionException if no task completes
1769		*/
1770	<	public void testMaximumPoolSizeIllegalArgumentException2() {
1771	<	ThreadPoolExecutor tpe = null;
1770	>	public void testTimedInvokeAny4() throws Exception {
1771	>	ExecutorService e =
1772	>	new ThreadPoolExecutor(2, 2,
1773	>	LONG_DELAY_MS, MILLISECONDS,
1774	>	new ArrayBlockingQueue<Runnable>(10));
1775	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1776	>	l.add(new NPETask());
1777		try {
1778	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1779	<	} catch(Exception e){}
1778	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1779	>	shouldThrow();
1780	>	} catch (ExecutionException success) {
1781	>	assertTrue(success.getCause() instanceof NullPointerException);
1782	>	} finally {
1783	>	joinPool(e);
1784	>	}
1785	>	}
1786	>
1787	>	/**
1788	>	* timed invokeAny(c) returns result of some task
1789	>	*/
1790	>	public void testTimedInvokeAny5() throws Exception {
1791	>	ExecutorService e =
1792	>	new ThreadPoolExecutor(2, 2,
1793	>	LONG_DELAY_MS, MILLISECONDS,
1794	>	new ArrayBlockingQueue<Runnable>(10));
1795	>	try {
1796	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1797	>	l.add(new StringTask());
1798	>	l.add(new StringTask());
1799	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1800	>	assertSame(TEST_STRING, result);
1801	>	} finally {
1802	>	joinPool(e);
1803	>	}
1804	>	}
1805	>
1806	>	/**
1807	>	* timed invokeAll(null) throws NPE
1808	>	*/
1809	>	public void testTimedInvokeAll1() throws Exception {
1810	>	ExecutorService e =
1811	>	new ThreadPoolExecutor(2, 2,
1812	>	LONG_DELAY_MS, MILLISECONDS,
1813	>	new ArrayBlockingQueue<Runnable>(10));
1814		try {
1815	<	tpe.setMaximumPoolSize(-1);
1815	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1816		shouldThrow();
1817	<	} catch(IllegalArgumentException success){
1817	>	} catch (NullPointerException success) {
1818		} finally {
1819	<	tpe.shutdown();
1819	>	joinPool(e);
1820		}
674	–	joinPool(tpe);
1821		}
676	–
1822
1823		/**
1824	<	*  setKeepAliveTime  throws IllegalArgumentException
680	<	*  when given a negative value
1824	>	* timed invokeAll(,,null) throws NPE
1825		*/
1826	<	public void testKeepAliveTimeIllegalArgumentException() {
1827	<	ThreadPoolExecutor tpe = null;
1826	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1827	>	ExecutorService e =
1828	>	new ThreadPoolExecutor(2, 2,
1829	>	LONG_DELAY_MS, MILLISECONDS,
1830	>	new ArrayBlockingQueue<Runnable>(10));
1831	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1832	>	l.add(new StringTask());
1833		try {
1834	<	tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
686	<	} catch(Exception e){}
687	<
688	<	try {
689	<	tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1834	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1835		shouldThrow();
1836	<	} catch(IllegalArgumentException success){
1836	>	} catch (NullPointerException success) {
1837		} finally {
1838	<	tpe.shutdown();
1838	>	joinPool(e);
1839		}
695	–	joinPool(tpe);
1840		}
1841	<
1841	>
1842	>	/**
1843	>	* timed invokeAll(empty collection) returns empty collection
1844	>	*/
1845	>	public void testTimedInvokeAll2() throws InterruptedException {
1846	>	ExecutorService e =
1847	>	new ThreadPoolExecutor(2, 2,
1848	>	LONG_DELAY_MS, MILLISECONDS,
1849	>	new ArrayBlockingQueue<Runnable>(10));
1850	>	try {
1851	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1852	>	assertTrue(r.isEmpty());
1853	>	} finally {
1854	>	joinPool(e);
1855	>	}
1856	>	}
1857	>
1858	>	/**
1859	>	* timed invokeAll(c) throws NPE if c has null elements
1860	>	*/
1861	>	public void testTimedInvokeAll3() throws Exception {
1862	>	ExecutorService e =
1863	>	new ThreadPoolExecutor(2, 2,
1864	>	LONG_DELAY_MS, MILLISECONDS,
1865	>	new ArrayBlockingQueue<Runnable>(10));
1866	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1867	>	l.add(new StringTask());
1868	>	l.add(null);
1869	>	try {
1870	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1871	>	shouldThrow();
1872	>	} catch (NullPointerException success) {
1873	>	} finally {
1874	>	joinPool(e);
1875	>	}
1876	>	}
1877	>
1878	>	/**
1879	>	* get of element of invokeAll(c) throws exception on failed task
1880	>	*/
1881	>	public void testTimedInvokeAll4() throws Exception {
1882	>	ExecutorService e =
1883	>	new ThreadPoolExecutor(2, 2,
1884	>	LONG_DELAY_MS, MILLISECONDS,
1885	>	new ArrayBlockingQueue<Runnable>(10));
1886	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1887	>	l.add(new NPETask());
1888	>	List<Future<String>> futures =
1889	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1890	>	assertEquals(1, futures.size());
1891	>	try {
1892	>	futures.get(0).get();
1893	>	shouldThrow();
1894	>	} catch (ExecutionException success) {
1895	>	assertTrue(success.getCause() instanceof NullPointerException);
1896	>	} finally {
1897	>	joinPool(e);
1898	>	}
1899	>	}
1900	>
1901	>	/**
1902	>	* timed invokeAll(c) returns results of all completed tasks
1903	>	*/
1904	>	public void testTimedInvokeAll5() throws Exception {
1905	>	ExecutorService e =
1906	>	new ThreadPoolExecutor(2, 2,
1907	>	LONG_DELAY_MS, MILLISECONDS,
1908	>	new ArrayBlockingQueue<Runnable>(10));
1909	>	try {
1910	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1911	>	l.add(new StringTask());
1912	>	l.add(new StringTask());
1913	>	List<Future<String>> futures =
1914	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1915	>	assertEquals(2, futures.size());
1916	>	for (Future<String> future : futures)
1917	>	assertSame(TEST_STRING, future.get());
1918	>	} finally {
1919	>	joinPool(e);
1920	>	}
1921	>	}
1922	>
1923	>	/**
1924	>	* timed invokeAll(c) cancels tasks not completed by timeout
1925	>	*/
1926	>	public void testTimedInvokeAll6() throws Exception {
1927	>	ExecutorService e =
1928	>	new ThreadPoolExecutor(2, 2,
1929	>	LONG_DELAY_MS, MILLISECONDS,
1930	>	new ArrayBlockingQueue<Runnable>(10));
1931	>	try {
1932	>	for (long timeout = timeoutMillis();;) {
1933	>	List<Callable<String>> tasks = new ArrayList<>();
1934	>	tasks.add(new StringTask("0"));
1935	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1936	>	tasks.add(new StringTask("2"));
1937	>	long startTime = System.nanoTime();
1938	>	List<Future<String>> futures =
1939	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1940	>	assertEquals(tasks.size(), futures.size());
1941	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1942	>	for (Future future : futures)
1943	>	assertTrue(future.isDone());
1944	>	assertTrue(futures.get(1).isCancelled());
1945	>	try {
1946	>	assertEquals("0", futures.get(0).get());
1947	>	assertEquals("2", futures.get(2).get());
1948	>	break;
1949	>	} catch (CancellationException retryWithLongerTimeout) {
1950	>	timeout *= 2;
1951	>	if (timeout >= LONG_DELAY_MS / 2)
1952	>	fail("expected exactly one task to be cancelled");
1953	>	}
1954	>	}
1955	>	} finally {
1956	>	joinPool(e);
1957	>	}
1958	>	}
1959	>
1960	>	/**
1961	>	* Execution continues if there is at least one thread even if
1962	>	* thread factory fails to create more
1963	>	*/
1964	>	public void testFailingThreadFactory() throws InterruptedException {
1965	>	final ExecutorService e =
1966	>	new ThreadPoolExecutor(100, 100,
1967	>	LONG_DELAY_MS, MILLISECONDS,
1968	>	new LinkedBlockingQueue<Runnable>(),
1969	>	new FailingThreadFactory());
1970	>	try {
1971	>	final int TASKS = 100;
1972	>	final CountDownLatch done = new CountDownLatch(TASKS);
1973	>	for (int k = 0; k < TASKS; ++k)
1974	>	e.execute(new CheckedRunnable() {
1975	>	public void realRun() {
1976	>	done.countDown();
1977	>	}});
1978	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1979	>	} finally {
1980	>	joinPool(e);
1981	>	}
1982	>	}
1983	>
1984	>	/**
1985	>	* allowsCoreThreadTimeOut is by default false.
1986	>	*/
1987	>	public void testAllowsCoreThreadTimeOut() {
1988	>	final ThreadPoolExecutor p =
1989	>	new ThreadPoolExecutor(2, 2,
1990	>	1000, MILLISECONDS,
1991	>	new ArrayBlockingQueue<Runnable>(10));
1992	>	assertFalse(p.allowsCoreThreadTimeOut());
1993	>	joinPool(p);
1994	>	}
1995	>
1996	>	/**
1997	>	* allowCoreThreadTimeOut(true) causes idle threads to time out
1998	>	*/
1999	>	public void testAllowCoreThreadTimeOut_true() throws Exception {
2000	>	long keepAliveTime = timeoutMillis();
2001	>	final ThreadPoolExecutor p =
2002	>	new ThreadPoolExecutor(2, 10,
2003	>	keepAliveTime, MILLISECONDS,
2004	>	new ArrayBlockingQueue<Runnable>(10));
2005	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2006	>	try {
2007	>	p.allowCoreThreadTimeOut(true);
2008	>	p.execute(new CheckedRunnable() {
2009	>	public void realRun() {
2010	>	threadStarted.countDown();
2011	>	assertEquals(1, p.getPoolSize());
2012	>	}});
2013	>	await(threadStarted);
2014	>	delay(keepAliveTime);
2015	>	long startTime = System.nanoTime();
2016	>	while (p.getPoolSize() > 0
2017	>	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
2018	>	Thread.yield();
2019	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2020	>	assertEquals(0, p.getPoolSize());
2021	>	} finally {
2022	>	joinPool(p);
2023	>	}
2024	>	}
2025	>
2026	>	/**
2027	>	* allowCoreThreadTimeOut(false) causes idle threads not to time out
2028	>	*/
2029	>	public void testAllowCoreThreadTimeOut_false() throws Exception {
2030	>	long keepAliveTime = timeoutMillis();
2031	>	final ThreadPoolExecutor p =
2032	>	new ThreadPoolExecutor(2, 10,
2033	>	keepAliveTime, MILLISECONDS,
2034	>	new ArrayBlockingQueue<Runnable>(10));
2035	>	final CountDownLatch threadStarted = new CountDownLatch(1);
2036	>	try {
2037	>	p.allowCoreThreadTimeOut(false);
2038	>	p.execute(new CheckedRunnable() {
2039	>	public void realRun() throws InterruptedException {
2040	>	threadStarted.countDown();
2041	>	assertTrue(p.getPoolSize() >= 1);
2042	>	}});
2043	>	delay(2 * keepAliveTime);
2044	>	assertTrue(p.getPoolSize() >= 1);
2045	>	} finally {
2046	>	joinPool(p);
2047	>	}
2048	>	}
2049	>
2050	>	/**
2051	>	* execute allows the same task to be submitted multiple times, even
2052	>	* if rejected
2053	>	*/
2054	>	public void testRejectedRecycledTask() throws InterruptedException {
2055	>	final int nTasks = 1000;
2056	>	final CountDownLatch done = new CountDownLatch(nTasks);
2057	>	final Runnable recycledTask = new Runnable() {
2058	>	public void run() {
2059	>	done.countDown();
2060	>	}};
2061	>	final ThreadPoolExecutor p =
2062	>	new ThreadPoolExecutor(1, 30,
2063	>	60, SECONDS,
2064	>	new ArrayBlockingQueue(30));
2065	>	try {
2066	>	for (int i = 0; i < nTasks; ++i) {
2067	>	for (;;) {
2068	>	try {
2069	>	p.execute(recycledTask);
2070	>	break;
2071	>	}
2072	>	catch (RejectedExecutionException ignore) {}
2073	>	}
2074	>	}
2075	>	// enough time to run all tasks
2076	>	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2077	>	} finally {
2078	>	joinPool(p);
2079	>	}
2080	>	}
2081	>
2082	>	/**
2083	>	* get(cancelled task) throws CancellationException
2084	>	*/
2085	>	public void testGet_cancelled() throws Exception {
2086	>	final ExecutorService e =
2087	>	new ThreadPoolExecutor(1, 1,
2088	>	LONG_DELAY_MS, MILLISECONDS,
2089	>	new LinkedBlockingQueue<Runnable>());
2090	>	try {
2091	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
2092	>	final CountDownLatch done = new CountDownLatch(1);
2093	>	final List<Future<?>> futures = new ArrayList<>();
2094	>	for (int i = 0; i < 2; i++) {
2095	>	Runnable r = new CheckedRunnable() { public void realRun()
2096	>	throws Throwable {
2097	>	blockerStarted.countDown();
2098	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2099	>	}};
2100	>	futures.add(e.submit(r));
2101	>	}
2102	>	assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2103	>	for (Future<?> future : futures) future.cancel(false);
2104	>	for (Future<?> future : futures) {
2105	>	try {
2106	>	future.get();
2107	>	shouldThrow();
2108	>	} catch (CancellationException success) {}
2109	>	try {
2110	>	future.get(LONG_DELAY_MS, MILLISECONDS);
2111	>	shouldThrow();
2112	>	} catch (CancellationException success) {}
2113	>	assertTrue(future.isCancelled());
2114	>	assertTrue(future.isDone());
2115	>	}
2116	>	done.countDown();
2117	>	} finally {
2118	>	joinPool(e);
2119	>	}
2120	>	}
2121	>
2122		}

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