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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.5 by jsr166, Fri Nov 20 16:00:19 2009 UTC vs.
Revision 1.55 by jsr166, Tue Oct 6 05:56:01 2015 UTC

#	Line 1 | Line 1
1		/*
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/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.util.concurrent.atomic.*;
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.SECONDS;
9	>
10	>	import java.util.ArrayList;
11	>	import java.util.HashSet;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CancellationException;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.Delayed;
18	>	import java.util.concurrent.ExecutionException;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.Future;
22	>	import java.util.concurrent.RejectedExecutionException;
23	>	import java.util.concurrent.RejectedExecutionHandler;
24	>	import java.util.concurrent.RunnableScheduledFuture;
25	>	import java.util.concurrent.ScheduledFuture;
26	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
27	>	import java.util.concurrent.ThreadFactory;
28	>	import java.util.concurrent.ThreadPoolExecutor;
29	>	import java.util.concurrent.TimeoutException;
30	>	import java.util.concurrent.TimeUnit;
31	>	import java.util.concurrent.atomic.AtomicInteger;
32	>
33	>	import junit.framework.Test;
34	>	import junit.framework.TestSuite;
35
36		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run (suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41	<	return new TestSuite(ScheduledExecutorSubclassTest.class);
41	>	return new TestSuite(ScheduledExecutorSubclassTest.class);
42		}
43
44		static class CustomTask<V> implements RunnableScheduledFuture<V> {
#	Line 35 | Line 59 | public class ScheduledExecutorSubclassTe
59		}
60		public boolean isCancelled() { return task.isCancelled(); }
61		public boolean isDone() { return task.isDone(); }
62	<	public V get() throws InterruptedException,  ExecutionException {
62	>	public V get() throws InterruptedException, ExecutionException {
63		V v = task.get();
64		assertTrue(ran);
65		return v;
66		}
67	<	public V get(long time, TimeUnit unit) throws InterruptedException,  ExecutionException, TimeoutException {
67	>	public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
68		V v = task.get(time, unit);
69		assertTrue(ran);
70		return v;
71		}
72		}
73
50	–
74		public class CustomExecutor extends ScheduledThreadPoolExecutor {
75
76		protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) {
#	Line 57 | Line 80 | public class ScheduledExecutorSubclassTe
80		protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
81		return new CustomTask<V>(task);
82		}
83	<	CustomExecutor(int corePoolSize) { super(corePoolSize);}
83	>	CustomExecutor(int corePoolSize) { super(corePoolSize); }
84		CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
85		super(corePoolSize, handler);
86		}
#	Line 72 | Line 95 | public class ScheduledExecutorSubclassTe
95
96		}
97
75	–
76	–
98		/**
99		* execute successfully executes a runnable
100		*/
101	<	public void testExecute() {
102	<	try {
103	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
104	<	CustomExecutor p1 = new CustomExecutor(1);
105	<	p1.execute(runnable);
106	<	assertFalse(runnable.done);
107	<	Thread.sleep(SHORT_DELAY_MS);
108	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
88	<	try {
89	<	Thread.sleep(MEDIUM_DELAY_MS);
90	<	} catch (InterruptedException e) {
91	<	unexpectedException();
92	<	}
93	<	assertTrue(runnable.done);
94	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
95	<	joinPool(p1);
101	>	public void testExecute() throws InterruptedException {
102	>	final CustomExecutor p = new CustomExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final CountDownLatch done = new CountDownLatch(1);
105	>	final Runnable task = new CheckedRunnable() {
106	>	public void realRun() { done.countDown(); }};
107	>	p.execute(task);
108	>	await(done);
109		}
97	–	catch (Exception e) {
98	–	unexpectedException();
99	–	}
100	–
110		}
111
103	–
112		/**
113		* delayed schedule of callable successfully executes after delay
114		*/
115	<	public void testSchedule1() {
116	<	try {
117	<	TrackedCallable callable = new TrackedCallable();
118	<	CustomExecutor p1 = new CustomExecutor(1);
119	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
120	<	assertFalse(callable.done);
121	<	Thread.sleep(MEDIUM_DELAY_MS);
122	<	assertTrue(callable.done);
123	<	assertEquals(Boolean.TRUE, f.get());
124	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
125	<	joinPool(p1);
126	<	} catch (RejectedExecutionException e) {}
127	<	catch (Exception e) {
128	<	e.printStackTrace();
121	<	unexpectedException();
115	>	public void testSchedule1() throws Exception {
116	>	final CountDownLatch done = new CountDownLatch(1);
117	>	final CustomExecutor p = new CustomExecutor(1);
118	>	try (PoolCleaner cleaner = cleaner(p, done)) {
119	>	final long startTime = System.nanoTime();
120	>	Callable task = new CheckedCallable<Boolean>() {
121	>	public Boolean realCall() {
122	>	done.countDown();
123	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
124	>	return Boolean.TRUE;
125	>	}};
126	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
127	>	assertSame(Boolean.TRUE, f.get());
128	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
129		}
130		}
131
132		/**
133	<	*  delayed schedule of runnable successfully executes after delay
134	<	*/
135	<	public void testSchedule3() {
136	<	try {
137	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
138	<	CustomExecutor p1 = new CustomExecutor(1);
139	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
140	<	Thread.sleep(SHORT_DELAY_MS);
141	<	assertFalse(runnable.done);
142	<	Thread.sleep(MEDIUM_DELAY_MS);
143	<	assertTrue(runnable.done);
144	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
145	<	joinPool(p1);
146	<	} catch (Exception e) {
147	<	unexpectedException();
133	>	* delayed schedule of runnable successfully executes after delay
134	>	*/
135	>	public void testSchedule3() throws Exception {
136	>	final CustomExecutor p = new CustomExecutor(1);
137	>	try (PoolCleaner cleaner = cleaner(p)) {
138	>	final long startTime = System.nanoTime();
139	>	final CountDownLatch done = new CountDownLatch(1);
140	>	Runnable task = new CheckedRunnable() {
141	>	public void realRun() {
142	>	done.countDown();
143	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
144	>	}};
145	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
146	>	await(done);
147	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
148	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
149		}
150		}
151
152		/**
153		* scheduleAtFixedRate executes runnable after given initial delay
154		*/
155	<	public void testSchedule4() {
156	<	try {
157	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
158	<	CustomExecutor p1 = new CustomExecutor(1);
159	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
160	<	assertFalse(runnable.done);
161	<	Thread.sleep(MEDIUM_DELAY_MS);
162	<	assertTrue(runnable.done);
163	<	h.cancel(true);
164	<	joinPool(p1);
165	<	} catch (Exception e) {
166	<	unexpectedException();
155	>	public void testSchedule4() throws InterruptedException {
156	>	final CustomExecutor p = new CustomExecutor(1);
157	>	try (PoolCleaner cleaner = cleaner(p)) {
158	>	final long startTime = System.nanoTime();
159	>	final CountDownLatch done = new CountDownLatch(1);
160	>	Runnable task = new CheckedRunnable() {
161	>	public void realRun() {
162	>	done.countDown();
163	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
164	>	}};
165	>	ScheduledFuture f =
166	>	p.scheduleAtFixedRate(task, timeoutMillis(),
167	>	LONG_DELAY_MS, MILLISECONDS);
168	>	await(done);
169	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
170	>	f.cancel(true);
171		}
172		}
173
162	–	static class RunnableCounter implements Runnable {
163	–	AtomicInteger count = new AtomicInteger(0);
164	–	public void run() { count.getAndIncrement(); }
165	–	}
166	–
174		/**
175		* scheduleWithFixedDelay executes runnable after given initial delay
176		*/
177	<	public void testSchedule5() {
178	<	try {
179	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
180	<	CustomExecutor p1 = new CustomExecutor(1);
181	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
182	<	assertFalse(runnable.done);
183	<	Thread.sleep(MEDIUM_DELAY_MS);
184	<	assertTrue(runnable.done);
185	<	h.cancel(true);
186	<	joinPool(p1);
187	<	} catch (Exception e) {
188	<	unexpectedException();
177	>	public void testSchedule5() throws InterruptedException {
178	>	final CustomExecutor p = new CustomExecutor(1);
179	>	try (PoolCleaner cleaner = cleaner(p)) {
180	>	final long startTime = System.nanoTime();
181	>	final CountDownLatch done = new CountDownLatch(1);
182	>	Runnable task = new CheckedRunnable() {
183	>	public void realRun() {
184	>	done.countDown();
185	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
186	>	}};
187	>	ScheduledFuture f =
188	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
189	>	LONG_DELAY_MS, MILLISECONDS);
190	>	await(done);
191	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
192	>	f.cancel(true);
193		}
194		}
195
196	+	static class RunnableCounter implements Runnable {
197	+	AtomicInteger count = new AtomicInteger(0);
198	+	public void run() { count.getAndIncrement(); }
199	+	}
200	+
201		/**
202		* scheduleAtFixedRate executes series of tasks at given rate
203		*/
204	<	public void testFixedRateSequence() {
205	<	try {
206	<	CustomExecutor p1 = new CustomExecutor(1);
207	<	RunnableCounter counter = new RunnableCounter();
208	<	ScheduledFuture h =
209	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
210	<	Thread.sleep(SMALL_DELAY_MS);
211	<	h.cancel(true);
212	<	int c = counter.count.get();
213	<	// By time scaling conventions, we must have at least
214	<	// an execution per SHORT delay, but no more than one SHORT more
215	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
216	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
217	<	joinPool(p1);
218	<	} catch (Exception e) {
219	<	unexpectedException();
204	>	public void testFixedRateSequence() throws InterruptedException {
205	>	final CustomExecutor p = new CustomExecutor(1);
206	>	try (PoolCleaner cleaner = cleaner(p)) {
207	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
208	>	long startTime = System.nanoTime();
209	>	int cycles = 10;
210	>	final CountDownLatch done = new CountDownLatch(cycles);
211	>	Runnable task = new CheckedRunnable() {
212	>	public void realRun() { done.countDown(); }};
213	>	ScheduledFuture h =
214	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
215	>	await(done);
216	>	h.cancel(true);
217	>	double normalizedTime =
218	>	(double) millisElapsedSince(startTime) / delay;
219	>	if (normalizedTime >= cycles - 1 &&
220	>	normalizedTime <= cycles)
221	>	return;
222	>	}
223	>	throw new AssertionError("unexpected execution rate");
224		}
225		}
226
227		/**
228		* scheduleWithFixedDelay executes series of tasks with given period
229		*/
230	<	public void testFixedDelaySequence() {
231	<	try {
232	<	CustomExecutor p1 = new CustomExecutor(1);
233	<	RunnableCounter counter = new RunnableCounter();
234	<	ScheduledFuture h =
235	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
236	<	Thread.sleep(SMALL_DELAY_MS);
237	<	h.cancel(true);
238	<	int c = counter.count.get();
239	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
240	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
241	<	joinPool(p1);
242	<	} catch (Exception e) {
243	<	unexpectedException();
230	>	public void testFixedDelaySequence() throws InterruptedException {
231	>	final CustomExecutor p = new CustomExecutor(1);
232	>	try (PoolCleaner cleaner = cleaner(p)) {
233	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
234	>	long startTime = System.nanoTime();
235	>	int cycles = 10;
236	>	final CountDownLatch done = new CountDownLatch(cycles);
237	>	Runnable task = new CheckedRunnable() {
238	>	public void realRun() { done.countDown(); }};
239	>	ScheduledFuture h =
240	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
241	>	await(done);
242	>	h.cancel(true);
243	>	double normalizedTime =
244	>	(double) millisElapsedSince(startTime) / delay;
245	>	if (normalizedTime >= cycles - 1 &&
246	>	normalizedTime <= cycles)
247	>	return;
248	>	}
249	>	throw new AssertionError("unexpected execution rate");
250		}
251		}
252
227	–
253		/**
254	<	*  execute (null) throws NPE
254	>	* execute(null) throws NPE
255		*/
256	<	public void testExecuteNull() {
257	<	CustomExecutor se = null;
258	<	try {
259	<	se = new CustomExecutor(1);
260	<	se.execute(null);
261	<	shouldThrow();
262	<	} catch (NullPointerException success) {}
238	<	catch (Exception e) {
239	<	unexpectedException();
256	>	public void testExecuteNull() throws InterruptedException {
257	>	final CustomExecutor p = new CustomExecutor(1);
258	>	try (PoolCleaner cleaner = cleaner(p)) {
259	>	try {
260	>	p.execute(null);
261	>	shouldThrow();
262	>	} catch (NullPointerException success) {}
263		}
241	–
242	–	joinPool(se);
264		}
265
266		/**
267	<	* schedule (null) throws NPE
267	>	* schedule(null) throws NPE
268		*/
269	<	public void testScheduleNull() {
270	<	CustomExecutor se = new CustomExecutor(1);
271	<	try {
272	<	TrackedCallable callable = null;
273	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
274	<	shouldThrow();
275	<	} catch (NullPointerException success) {}
276	<	catch (Exception e) {
256	<	unexpectedException();
269	>	public void testScheduleNull() throws InterruptedException {
270	>	final CustomExecutor p = new CustomExecutor(1);
271	>	try (PoolCleaner cleaner = cleaner(p)) {
272	>	try {
273	>	TrackedCallable callable = null;
274	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
275	>	shouldThrow();
276	>	} catch (NullPointerException success) {}
277		}
258	–	joinPool(se);
278		}
279
280		/**
281		* execute throws RejectedExecutionException if shutdown
282		*/
283		public void testSchedule1_RejectedExecutionException() {
284	<	CustomExecutor se = new CustomExecutor(1);
285	<	try {
286	<	se.shutdown();
287	<	se.schedule(new NoOpRunnable(),
288	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
289	<	shouldThrow();
290	<	} catch (RejectedExecutionException success) {
291	<	} catch (SecurityException ok) {
284	>	final CustomExecutor p = new CustomExecutor(1);
285	>	try (PoolCleaner cleaner = cleaner(p)) {
286	>	try {
287	>	p.shutdown();
288	>	p.schedule(new NoOpRunnable(),
289	>	MEDIUM_DELAY_MS, MILLISECONDS);
290	>	shouldThrow();
291	>	} catch (RejectedExecutionException success) {
292	>	} catch (SecurityException ok) {}
293		}
274	–
275	–	joinPool(se);
276	–
294		}
295
296		/**
297		* schedule throws RejectedExecutionException if shutdown
298		*/
299		public void testSchedule2_RejectedExecutionException() {
300	<	CustomExecutor se = new CustomExecutor(1);
301	<	try {
302	<	se.shutdown();
303	<	se.schedule(new NoOpCallable(),
304	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
305	<	shouldThrow();
306	<	} catch (RejectedExecutionException success) {
307	<	} catch (SecurityException ok) {
300	>	final CustomExecutor p = new CustomExecutor(1);
301	>	try (PoolCleaner cleaner = cleaner(p)) {
302	>	try {
303	>	p.shutdown();
304	>	p.schedule(new NoOpCallable(),
305	>	MEDIUM_DELAY_MS, MILLISECONDS);
306	>	shouldThrow();
307	>	} catch (RejectedExecutionException success) {
308	>	} catch (SecurityException ok) {}
309		}
292	–	joinPool(se);
310		}
311
312		/**
313		* schedule callable throws RejectedExecutionException if shutdown
314		*/
315	<	public void testSchedule3_RejectedExecutionException() {
316	<	CustomExecutor se = new CustomExecutor(1);
317	<	try {
318	<	se.shutdown();
319	<	se.schedule(new NoOpCallable(),
320	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
321	<	shouldThrow();
322	<	} catch (RejectedExecutionException success) {
323	<	} catch (SecurityException ok) {
315	>	public void testSchedule3_RejectedExecutionException() {
316	>	final CustomExecutor p = new CustomExecutor(1);
317	>	try (PoolCleaner cleaner = cleaner(p)) {
318	>	try {
319	>	p.shutdown();
320	>	p.schedule(new NoOpCallable(),
321	>	MEDIUM_DELAY_MS, MILLISECONDS);
322	>	shouldThrow();
323	>	} catch (RejectedExecutionException success) {
324	>	} catch (SecurityException ok) {}
325		}
308	–	joinPool(se);
326		}
327
328		/**
329	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
329	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
330		*/
331		public void testScheduleAtFixedRate1_RejectedExecutionException() {
332	<	CustomExecutor se = new CustomExecutor(1);
333	<	try {
334	<	se.shutdown();
335	<	se.scheduleAtFixedRate(new NoOpRunnable(),
336	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
337	<	shouldThrow();
338	<	} catch (RejectedExecutionException success) {
339	<	} catch (SecurityException ok) {
332	>	final CustomExecutor p = new CustomExecutor(1);
333	>	try (PoolCleaner cleaner = cleaner(p)) {
334	>	try {
335	>	p.shutdown();
336	>	p.scheduleAtFixedRate(new NoOpRunnable(),
337	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
338	>	shouldThrow();
339	>	} catch (RejectedExecutionException success) {
340	>	} catch (SecurityException ok) {}
341		}
324	–	joinPool(se);
342		}
343
344		/**
345		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
346		*/
347		public void testScheduleWithFixedDelay1_RejectedExecutionException() {
348	<	CustomExecutor se = new CustomExecutor(1);
349	<	try {
350	<	se.shutdown();
351	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
352	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
353	<	shouldThrow();
354	<	} catch (RejectedExecutionException success) {
355	<	} catch (SecurityException ok) {
348	>	final CustomExecutor p = new CustomExecutor(1);
349	>	try (PoolCleaner cleaner = cleaner(p)) {
350	>	try {
351	>	p.shutdown();
352	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
353	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
354	>	shouldThrow();
355	>	} catch (RejectedExecutionException success) {
356	>	} catch (SecurityException ok) {}
357		}
340	–	joinPool(se);
358		}
359
360		/**
361	<	*  getActiveCount increases but doesn't overestimate, when a
362	<	*  thread becomes active
363	<	*/
364	<	public void testGetActiveCount() {
365	<	CustomExecutor p2 = new CustomExecutor(2);
366	<	assertEquals(0, p2.getActiveCount());
367	<	p2.execute(new SmallRunnable());
368	<	try {
369	<	Thread.sleep(SHORT_DELAY_MS);
370	<	} catch (Exception e) {
371	<	unexpectedException();
361	>	* getActiveCount increases but doesn't overestimate, when a
362	>	* thread becomes active
363	>	*/
364	>	public void testGetActiveCount() throws InterruptedException {
365	>	final CountDownLatch done = new CountDownLatch(1);
366	>	final ThreadPoolExecutor p = new CustomExecutor(2);
367	>	try (PoolCleaner cleaner = cleaner(p, done)) {
368	>	final CountDownLatch threadStarted = new CountDownLatch(1);
369	>	assertEquals(0, p.getActiveCount());
370	>	p.execute(new CheckedRunnable() {
371	>	public void realRun() throws InterruptedException {
372	>	threadStarted.countDown();
373	>	assertEquals(1, p.getActiveCount());
374	>	await(done);
375	>	}});
376	>	await(threadStarted);
377	>	assertEquals(1, p.getActiveCount());
378		}
356	–	assertEquals(1, p2.getActiveCount());
357	–	joinPool(p2);
379		}
380
381		/**
382	<	*    getCompletedTaskCount increases, but doesn't overestimate,
383	<	*   when tasks complete
384	<	*/
385	<	public void testGetCompletedTaskCount() {
386	<	CustomExecutor p2 = new CustomExecutor(2);
387	<	assertEquals(0, p2.getCompletedTaskCount());
388	<	p2.execute(new SmallRunnable());
389	<	try {
390	<	Thread.sleep(MEDIUM_DELAY_MS);
391	<	} catch (Exception e) {
392	<	unexpectedException();
382	>	* getCompletedTaskCount increases, but doesn't overestimate,
383	>	* when tasks complete
384	>	*/
385	>	public void testGetCompletedTaskCount() throws InterruptedException {
386	>	final ThreadPoolExecutor p = new CustomExecutor(2);
387	>	try (PoolCleaner cleaner = cleaner(p)) {
388	>	final CountDownLatch threadStarted = new CountDownLatch(1);
389	>	final CountDownLatch threadProceed = new CountDownLatch(1);
390	>	final CountDownLatch threadDone = new CountDownLatch(1);
391	>	assertEquals(0, p.getCompletedTaskCount());
392	>	p.execute(new CheckedRunnable() {
393	>	public void realRun() throws InterruptedException {
394	>	threadStarted.countDown();
395	>	assertEquals(0, p.getCompletedTaskCount());
396	>	threadProceed.await();
397	>	threadDone.countDown();
398	>	}});
399	>	await(threadStarted);
400	>	assertEquals(0, p.getCompletedTaskCount());
401	>	threadProceed.countDown();
402	>	threadDone.await();
403	>	long startTime = System.nanoTime();
404	>	while (p.getCompletedTaskCount() != 1) {
405	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
406	>	fail("timed out");
407	>	Thread.yield();
408	>	}
409		}
373	–	assertEquals(1, p2.getCompletedTaskCount());
374	–	joinPool(p2);
410		}
411
412		/**
413	<	*  getCorePoolSize returns size given in constructor if not otherwise set
413	>	* getCorePoolSize returns size given in constructor if not otherwise set
414		*/
415		public void testGetCorePoolSize() {
416	<	CustomExecutor p1 = new CustomExecutor(1);
417	<	assertEquals(1, p1.getCorePoolSize());
418	<	joinPool(p1);
419	<	}
420	<
421	<	/**
422	<	*    getLargestPoolSize increases, but doesn't overestimate, when
423	<	*   multiple threads active
424	<	*/
425	<	public void testGetLargestPoolSize() {
426	<	CustomExecutor p2 = new CustomExecutor(2);
427	<	assertEquals(0, p2.getLargestPoolSize());
428	<	p2.execute(new SmallRunnable());
429	<	p2.execute(new SmallRunnable());
430	<	try {
431	<	Thread.sleep(SHORT_DELAY_MS);
432	<	} catch (Exception e) {
433	<	unexpectedException();
434	<	}
435	<	assertEquals(2, p2.getLargestPoolSize());
436	<	joinPool(p2);
437	<	}
438	<
439	<	/**
440	<	*   getPoolSize increases, but doesn't overestimate, when threads
441	<	*   become active
442	<	*/
443	<	public void testGetPoolSize() {
444	<	CustomExecutor p1 = new CustomExecutor(1);
445	<	assertEquals(0, p1.getPoolSize());
446	<	p1.execute(new SmallRunnable());
447	<	assertEquals(1, p1.getPoolSize());
448	<	joinPool(p1);
449	<	}
450	<
451	<	/**
452	<	*    getTaskCount increases, but doesn't overestimate, when tasks
453	<	*    submitted
454	<	*/
455	<	public void testGetTaskCount() {
456	<	CustomExecutor p1 = new CustomExecutor(1);
457	<	assertEquals(0, p1.getTaskCount());
458	<	for (int i = 0; i < 5; i++)
459	<	p1.execute(new SmallRunnable());
460	<	try {
461	<	Thread.sleep(SHORT_DELAY_MS);
462	<	} catch (Exception e) {
463	<	unexpectedException();
416	>	final CustomExecutor p = new CustomExecutor(1);
417	>	try (PoolCleaner cleaner = cleaner(p)) {
418	>	assertEquals(1, p.getCorePoolSize());
419	>	}
420	>	}
421	>
422	>	/**
423	>	* getLargestPoolSize increases, but doesn't overestimate, when
424	>	* multiple threads active
425	>	*/
426	>	public void testGetLargestPoolSize() throws InterruptedException {
427	>	final int THREADS = 3;
428	>	final CountDownLatch done = new CountDownLatch(1);
429	>	final ThreadPoolExecutor p = new CustomExecutor(THREADS);
430	>	try (PoolCleaner cleaner = cleaner(p, done)) {
431	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
432	>	assertEquals(0, p.getLargestPoolSize());
433	>	for (int i = 0; i < THREADS; i++)
434	>	p.execute(new CheckedRunnable() {
435	>	public void realRun() throws InterruptedException {
436	>	threadsStarted.countDown();
437	>	await(done);
438	>	assertEquals(THREADS, p.getLargestPoolSize());
439	>	}});
440	>	await(threadsStarted);
441	>	assertEquals(THREADS, p.getLargestPoolSize());
442	>	}
443	>	assertEquals(THREADS, p.getLargestPoolSize());
444	>	}
445	>
446	>	/**
447	>	* getPoolSize increases, but doesn't overestimate, when threads
448	>	* become active
449	>	*/
450	>	public void testGetPoolSize() throws InterruptedException {
451	>	final CountDownLatch done = new CountDownLatch(1);
452	>	final ThreadPoolExecutor p = new CustomExecutor(1);
453	>	try (PoolCleaner cleaner = cleaner(p, done)) {
454	>	final CountDownLatch threadStarted = new CountDownLatch(1);
455	>	assertEquals(0, p.getPoolSize());
456	>	p.execute(new CheckedRunnable() {
457	>	public void realRun() throws InterruptedException {
458	>	threadStarted.countDown();
459	>	assertEquals(1, p.getPoolSize());
460	>	await(done);
461	>	}});
462	>	await(threadStarted);
463	>	assertEquals(1, p.getPoolSize());
464	>	}
465	>	}
466	>
467	>	/**
468	>	* getTaskCount increases, but doesn't overestimate, when tasks
469	>	* submitted
470	>	*/
471	>	public void testGetTaskCount() throws InterruptedException {
472	>	final int TASKS = 3;
473	>	final CountDownLatch done = new CountDownLatch(1);
474	>	final ThreadPoolExecutor p = new CustomExecutor(1);
475	>	try (PoolCleaner cleaner = cleaner(p, done)) {
476	>	final CountDownLatch threadStarted = new CountDownLatch(1);
477	>	assertEquals(0, p.getTaskCount());
478	>	assertEquals(0, p.getCompletedTaskCount());
479	>	p.execute(new CheckedRunnable() {
480	>	public void realRun() throws InterruptedException {
481	>	threadStarted.countDown();
482	>	await(done);
483	>	}});
484	>	await(threadStarted);
485	>	assertEquals(1, p.getTaskCount());
486	>	assertEquals(0, p.getCompletedTaskCount());
487	>	for (int i = 0; i < TASKS; i++) {
488	>	assertEquals(1 + i, p.getTaskCount());
489	>	p.execute(new CheckedRunnable() {
490	>	public void realRun() throws InterruptedException {
491	>	threadStarted.countDown();
492	>	assertEquals(1 + TASKS, p.getTaskCount());
493	>	await(done);
494	>	}});
495	>	}
496	>	assertEquals(1 + TASKS, p.getTaskCount());
497	>	assertEquals(0, p.getCompletedTaskCount());
498		}
499	<	assertEquals(5, p1.getTaskCount());
500	<	joinPool(p1);
499	>	assertEquals(1 + TASKS, p.getTaskCount());
500	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
501		}
502
503		/**
504		* getThreadFactory returns factory in constructor if not set
505		*/
506		public void testGetThreadFactory() {
507	<	ThreadFactory tf = new SimpleThreadFactory();
508	<	CustomExecutor p = new CustomExecutor(1, tf);
509	<	assertSame(tf, p.getThreadFactory());
510	<	joinPool(p);
507	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
508	>	final CustomExecutor p = new CustomExecutor(1, threadFactory);
509	>	try (PoolCleaner cleaner = cleaner(p)) {
510	>	assertSame(threadFactory, p.getThreadFactory());
511	>	}
512		}
513
514		/**
515		* setThreadFactory sets the thread factory returned by getThreadFactory
516		*/
517		public void testSetThreadFactory() {
518	<	ThreadFactory tf = new SimpleThreadFactory();
519	<	CustomExecutor p = new CustomExecutor(1);
520	<	p.setThreadFactory(tf);
521	<	assertSame(tf, p.getThreadFactory());
522	<	joinPool(p);
518	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
519	>	final CustomExecutor p = new CustomExecutor(1);
520	>	try (PoolCleaner cleaner = cleaner(p)) {
521	>	p.setThreadFactory(threadFactory);
522	>	assertSame(threadFactory, p.getThreadFactory());
523	>	}
524		}
525
526		/**
527		* setThreadFactory(null) throws NPE
528		*/
529		public void testSetThreadFactoryNull() {
530	<	CustomExecutor p = new CustomExecutor(1);
531	<	try {
532	<	p.setThreadFactory(null);
533	<	shouldThrow();
534	<	} catch (NullPointerException success) {
535	<	} finally {
465	<	joinPool(p);
530	>	final CustomExecutor p = new CustomExecutor(1);
531	>	try (PoolCleaner cleaner = cleaner(p)) {
532	>	try {
533	>	p.setThreadFactory(null);
534	>	shouldThrow();
535	>	} catch (NullPointerException success) {}
536		}
537		}
538
539		/**
540	<	*   is isShutDown is false before shutdown, true after
540	>	* isShutdown is false before shutdown, true after
541		*/
542		public void testIsShutdown() {
543	<
544	<	CustomExecutor p1 = new CustomExecutor(1);
545	<	try {
546	<	assertFalse(p1.isShutdown());
543	>	final CustomExecutor p = new CustomExecutor(1);
544	>	try (PoolCleaner cleaner = cleaner(p)) {
545	>	assertFalse(p.isShutdown());
546	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
547	>	assertTrue(p.isShutdown());
548		}
478	–	finally {
479	–	try { p1.shutdown(); } catch (SecurityException ok) { return; }
480	–	}
481	–	assertTrue(p1.isShutdown());
549		}
550
484	–
551		/**
552	<	*   isTerminated is false before termination, true after
553	<	*/
554	<	public void testIsTerminated() {
555	<	CustomExecutor p1 = new CustomExecutor(1);
556	<	try {
557	<	p1.execute(new SmallRunnable());
558	<	} finally {
559	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
560	<	}
561	<	try {
562	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
563	<	assertTrue(p1.isTerminated());
564	<	} catch (Exception e) {
565	<	unexpectedException();
552	>	* isTerminated is false before termination, true after
553	>	*/
554	>	public void testIsTerminated() throws InterruptedException {
555	>	final CountDownLatch done = new CountDownLatch(1);
556	>	final ThreadPoolExecutor p = new CustomExecutor(1);
557	>	try (PoolCleaner cleaner = cleaner(p)) {
558	>	final CountDownLatch threadStarted = new CountDownLatch(1);
559	>	p.execute(new CheckedRunnable() {
560	>	public void realRun() throws InterruptedException {
561	>	assertFalse(p.isTerminated());
562	>	threadStarted.countDown();
563	>	await(done);
564	>	}});
565	>	await(threadStarted);
566	>	assertFalse(p.isTerminated());
567	>	assertFalse(p.isTerminating());
568	>	done.countDown();
569	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
570	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
571	>	assertTrue(p.isTerminated());
572		}
573		}
574
575		/**
576	<	*  isTerminating is not true when running or when terminated
577	<	*/
578	<	public void testIsTerminating() {
579	<	CustomExecutor p1 = new CustomExecutor(1);
580	<	assertFalse(p1.isTerminating());
581	<	try {
582	<	p1.execute(new SmallRunnable());
583	<	assertFalse(p1.isTerminating());
584	<	} finally {
585	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
586	<	}
587	<	try {
588	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
589	<	assertTrue(p1.isTerminated());
590	<	assertFalse(p1.isTerminating());
591	<	} catch (Exception e) {
592	<	unexpectedException();
576	>	* isTerminating is not true when running or when terminated
577	>	*/
578	>	public void testIsTerminating() throws InterruptedException {
579	>	final CountDownLatch done = new CountDownLatch(1);
580	>	final ThreadPoolExecutor p = new CustomExecutor(1);
581	>	try (PoolCleaner cleaner = cleaner(p)) {
582	>	final CountDownLatch threadStarted = new CountDownLatch(1);
583	>	assertFalse(p.isTerminating());
584	>	p.execute(new CheckedRunnable() {
585	>	public void realRun() throws InterruptedException {
586	>	assertFalse(p.isTerminating());
587	>	threadStarted.countDown();
588	>	await(done);
589	>	}});
590	>	await(threadStarted);
591	>	assertFalse(p.isTerminating());
592	>	done.countDown();
593	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
594	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
595	>	assertTrue(p.isTerminated());
596	>	assertFalse(p.isTerminating());
597		}
598		}
599
600		/**
601		* getQueue returns the work queue, which contains queued tasks
602		*/
603	<	public void testGetQueue() {
604	<	CustomExecutor p1 = new CustomExecutor(1);
605	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
606	<	for (int i = 0; i < 5; i++) {
607	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
608	<	}
609	<	try {
610	<	Thread.sleep(SHORT_DELAY_MS);
611	<	BlockingQueue<Runnable> q = p1.getQueue();
612	<	assertTrue(q.contains(tasks[4]));
603	>	public void testGetQueue() throws InterruptedException {
604	>	final CountDownLatch done = new CountDownLatch(1);
605	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
606	>	try (PoolCleaner cleaner = cleaner(p, done)) {
607	>	final CountDownLatch threadStarted = new CountDownLatch(1);
608	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
609	>	for (int i = 0; i < tasks.length; i++) {
610	>	Runnable r = new CheckedRunnable() {
611	>	public void realRun() throws InterruptedException {
612	>	threadStarted.countDown();
613	>	await(done);
614	>	}};
615	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
616	>	}
617	>	await(threadStarted);
618	>	BlockingQueue<Runnable> q = p.getQueue();
619	>	assertTrue(q.contains(tasks[tasks.length - 1]));
620		assertFalse(q.contains(tasks[0]));
538	–	} catch (Exception e) {
539	–	unexpectedException();
540	–	} finally {
541	–	joinPool(p1);
621		}
622		}
623
624		/**
625		* remove(task) removes queued task, and fails to remove active task
626		*/
627	<	public void testRemove() {
628	<	CustomExecutor p1 = new CustomExecutor(1);
629	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
630	<	for (int i = 0; i < 5; i++) {
631	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
632	<	}
633	<	try {
634	<	Thread.sleep(SHORT_DELAY_MS);
635	<	BlockingQueue<Runnable> q = p1.getQueue();
636	<	assertFalse(p1.remove((Runnable)tasks[0]));
627	>	public void testRemove() throws InterruptedException {
628	>	final CountDownLatch done = new CountDownLatch(1);
629	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
630	>	try (PoolCleaner cleaner = cleaner(p, done)) {
631	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
632	>	final CountDownLatch threadStarted = new CountDownLatch(1);
633	>	for (int i = 0; i < tasks.length; i++) {
634	>	Runnable r = new CheckedRunnable() {
635	>	public void realRun() throws InterruptedException {
636	>	threadStarted.countDown();
637	>	await(done);
638	>	}};
639	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
640	>	}
641	>	await(threadStarted);
642	>	BlockingQueue<Runnable> q = p.getQueue();
643	>	assertFalse(p.remove((Runnable)tasks[0]));
644		assertTrue(q.contains((Runnable)tasks[4]));
645		assertTrue(q.contains((Runnable)tasks[3]));
646	<	assertTrue(p1.remove((Runnable)tasks[4]));
647	<	assertFalse(p1.remove((Runnable)tasks[4]));
646	>	assertTrue(p.remove((Runnable)tasks[4]));
647	>	assertFalse(p.remove((Runnable)tasks[4]));
648		assertFalse(q.contains((Runnable)tasks[4]));
649		assertTrue(q.contains((Runnable)tasks[3]));
650	<	assertTrue(p1.remove((Runnable)tasks[3]));
650	>	assertTrue(p.remove((Runnable)tasks[3]));
651		assertFalse(q.contains((Runnable)tasks[3]));
566	–	} catch (Exception e) {
567	–	unexpectedException();
568	–	} finally {
569	–	joinPool(p1);
652		}
653		}
654
655		/**
656	<	*  purge removes cancelled tasks from the queue
656	>	* purge removes cancelled tasks from the queue
657		*/
658	<	public void testPurge() {
659	<	CustomExecutor p1 = new CustomExecutor(1);
660	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
661	<	for (int i = 0; i < 5; i++) {
662	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
663	<	}
664	<	try {
665	<	int max = 5;
658	>	public void testPurge() throws InterruptedException {
659	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
660	>	final Runnable releaser = new Runnable() { public void run() {
661	>	for (ScheduledFuture task : tasks)
662	>	if (task != null) task.cancel(true); }};
663	>	final CustomExecutor p = new CustomExecutor(1);
664	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
665	>	for (int i = 0; i < tasks.length; i++)
666	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
667	>	LONG_DELAY_MS, MILLISECONDS);
668	>	int max = tasks.length;
669		if (tasks[4].cancel(true)) --max;
670		if (tasks[3].cancel(true)) --max;
671		// There must eventually be an interference-free point at
672		// which purge will not fail. (At worst, when queue is empty.)
673	<	int k;
674	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
675	<	p1.purge();
676	<	long count = p1.getTaskCount();
677	<	if (count >= 0 && count <= max)
678	<	break;
679	<	Thread.sleep(1);
680	<	}
596	<	assertTrue(k < SMALL_DELAY_MS);
597	<	} catch (Exception e) {
598	<	unexpectedException();
599	<	} finally {
600	<	joinPool(p1);
673	>	long startTime = System.nanoTime();
674	>	do {
675	>	p.purge();
676	>	long count = p.getTaskCount();
677	>	if (count == max)
678	>	return;
679	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
680	>	fail("Purge failed to remove cancelled tasks");
681		}
682		}
683
684		/**
685	<	*  shutDownNow returns a list containing tasks that were not run
686	<	*/
687	<	public void testShutDownNow() {
688	<	CustomExecutor p1 = new CustomExecutor(1);
689	<	for (int i = 0; i < 5; i++)
690	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
691	<	List l;
685	>	* shutdownNow returns a list containing tasks that were not run,
686	>	* and those tasks are drained from the queue
687	>	*/
688	>	public void testShutdownNow() throws InterruptedException {
689	>	final int poolSize = 2;
690	>	final int count = 5;
691	>	final AtomicInteger ran = new AtomicInteger(0);
692	>	final CustomExecutor p = new CustomExecutor(poolSize);
693	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
694	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
695	>	threadsStarted.countDown();
696	>	try {
697	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
698	>	} catch (InterruptedException success) {}
699	>	ran.getAndIncrement();
700	>	}};
701	>	for (int i = 0; i < count; i++)
702	>	p.execute(waiter);
703	>	await(threadsStarted);
704	>	assertEquals(poolSize, p.getActiveCount());
705	>	assertEquals(0, p.getCompletedTaskCount());
706	>	final List<Runnable> queuedTasks;
707		try {
708	<	l = p1.shutdownNow();
708	>	queuedTasks = p.shutdownNow();
709		} catch (SecurityException ok) {
710	<	return;
616	<	}
617	<	assertTrue(p1.isShutdown());
618	<	assertTrue(l.size() > 0 && l.size() <= 5);
619	<	joinPool(p1);
620	<	}
621	<
622	<	/**
623	<	* In default setting, shutdown cancels periodic but not delayed
624	<	* tasks at shutdown
625	<	*/
626	<	public void testShutDown1() {
627	<	try {
628	<	CustomExecutor p1 = new CustomExecutor(1);
629	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
630	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
631	<
632	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
633	<	for (int i = 0; i < 5; i++)
634	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
635	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
636	<	BlockingQueue q = p1.getQueue();
637	<	for (Iterator it = q.iterator(); it.hasNext();) {
638	<	ScheduledFuture t = (ScheduledFuture)it.next();
639	<	assertFalse(t.isCancelled());
640	<	}
641	<	assertTrue(p1.isShutdown());
642	<	Thread.sleep(SMALL_DELAY_MS);
643	<	for (int i = 0; i < 5; ++i) {
644	<	assertTrue(tasks[i].isDone());
645	<	assertFalse(tasks[i].isCancelled());
646	<	}
647	<
648	<	}
649	<	catch (Exception ex) {
650	<	unexpectedException();
651	<	}
652	<	}
653	<
654	<
655	<	/**
656	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
657	<	* delayed tasks are cancelled at shutdown
658	<	*/
659	<	public void testShutDown2() {
660	<	try {
661	<	CustomExecutor p1 = new CustomExecutor(1);
662	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
663	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
664	<	for (int i = 0; i < 5; i++)
665	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
666	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
667	<	assertTrue(p1.isShutdown());
668	<	BlockingQueue q = p1.getQueue();
669	<	assertTrue(q.isEmpty());
670	<	Thread.sleep(SMALL_DELAY_MS);
671	<	assertTrue(p1.isTerminated());
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
710	>	return; // Allowed in case test doesn't have privs
711		}
712	+	assertTrue(p.isShutdown());
713	+	assertTrue(p.getQueue().isEmpty());
714	+	assertEquals(count - poolSize, queuedTasks.size());
715	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
716	+	assertTrue(p.isTerminated());
717	+	assertEquals(poolSize, ran.get());
718	+	assertEquals(poolSize, p.getCompletedTaskCount());
719		}
720
678	–
721		/**
722	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
723	<	* periodic tasks are not cancelled at shutdown
724	<	*/
725	<	public void testShutDown3() {
722	>	* shutdownNow returns a list containing tasks that were not run,
723	>	* and those tasks are drained from the queue
724	>	*/
725	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
726	>	final CustomExecutor p = new CustomExecutor(1);
727	>	List<ScheduledFuture> tasks = new ArrayList<>();
728	>	for (int i = 0; i < 3; i++) {
729	>	Runnable r = new NoOpRunnable();
730	>	tasks.add(p.schedule(r, 9, SECONDS));
731	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
732	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
733	>	}
734	>	if (testImplementationDetails)
735	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
736	>	final List<Runnable> queuedTasks;
737		try {
738	<	CustomExecutor p1 = new CustomExecutor(1);
739	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
740	<	ScheduledFuture task =
688	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
689	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
690	<	assertTrue(p1.isShutdown());
691	<	BlockingQueue q = p1.getQueue();
692	<	assertTrue(q.isEmpty());
693	<	Thread.sleep(SHORT_DELAY_MS);
694	<	assertTrue(p1.isTerminated());
738	>	queuedTasks = p.shutdownNow();
739	>	} catch (SecurityException ok) {
740	>	return; // Allowed in case test doesn't have privs
741		}
742	<	catch (Exception ex) {
743	<	unexpectedException();
742	>	assertTrue(p.isShutdown());
743	>	assertTrue(p.getQueue().isEmpty());
744	>	if (testImplementationDetails)
745	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
746	>	assertEquals(tasks.size(), queuedTasks.size());
747	>	for (ScheduledFuture task : tasks) {
748	>	assertFalse(((CustomTask)task).ran);
749	>	assertFalse(task.isDone());
750	>	assertFalse(task.isCancelled());
751		}
752	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
753	+	assertTrue(p.isTerminated());
754		}
755
756		/**
757	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
758	<	* periodic tasks are cancelled at shutdown
759	<	*/
760	<	public void testShutDown4() {
761	<	CustomExecutor p1 = new CustomExecutor(1);
762	<	try {
763	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
764	<	ScheduledFuture task =
765	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
766	<	assertFalse(task.isCancelled());
767	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
768	<	assertFalse(task.isCancelled());
769	<	assertFalse(p1.isTerminated());
770	<	assertTrue(p1.isShutdown());
771	<	Thread.sleep(SHORT_DELAY_MS);
772	<	assertFalse(task.isCancelled());
773	<	assertTrue(task.cancel(true));
774	<	assertTrue(task.isDone());
775	<	Thread.sleep(SHORT_DELAY_MS);
776	<	assertTrue(p1.isTerminated());
777	<	}
778	<	catch (Exception ex) {
779	<	unexpectedException();
757	>	* By default, periodic tasks are cancelled at shutdown.
758	>	* By default, delayed tasks keep running after shutdown.
759	>	* Check that changing the default values work:
760	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
761	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
762	>	*/
763	>	public void testShutdown_cancellation() throws Exception {
764	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
765	>	for (Boolean policy : allBooleans)
766	>	{
767	>	final int poolSize = 2;
768	>	final CustomExecutor p = new CustomExecutor(poolSize);
769	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
770	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
771	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
772	>	if (policy != null) {
773	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
774	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
775	>	p.setRemoveOnCancelPolicy(policy);
776	>	}
777	>	assertEquals(effectiveDelayedPolicy,
778	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
779	>	assertEquals(effectivePeriodicPolicy,
780	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
781	>	assertEquals(effectiveRemovePolicy,
782	>	p.getRemoveOnCancelPolicy());
783	>	// Strategy: Wedge the pool with poolSize "blocker" threads
784	>	final AtomicInteger ran = new AtomicInteger(0);
785	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
786	>	final CountDownLatch unblock = new CountDownLatch(1);
787	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
788	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
789	>	Runnable task = new CheckedRunnable() { public void realRun()
790	>	throws InterruptedException {
791	>	poolBlocked.countDown();
792	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
793	>	ran.getAndIncrement();
794	>	}};
795	>	List<Future<?>> blockers = new ArrayList<>();
796	>	List<Future<?>> periodics = new ArrayList<>();
797	>	List<Future<?>> delayeds = new ArrayList<>();
798	>	for (int i = 0; i < poolSize; i++)
799	>	blockers.add(p.submit(task));
800	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
801	>
802	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
803	>	1, 1, MILLISECONDS));
804	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
805	>	1, 1, MILLISECONDS));
806	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
807	>
808	>	assertTrue(p.getQueue().containsAll(periodics));
809	>	assertTrue(p.getQueue().containsAll(delayeds));
810	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
811	>	assertTrue(p.isShutdown());
812	>	assertFalse(p.isTerminated());
813	>	for (Future<?> periodic : periodics) {
814	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
815	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
816	>	}
817	>	for (Future<?> delayed : delayeds) {
818	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
819	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
820	>	}
821	>	if (testImplementationDetails) {
822	>	assertEquals(effectivePeriodicPolicy,
823	>	p.getQueue().containsAll(periodics));
824	>	assertEquals(effectiveDelayedPolicy,
825	>	p.getQueue().containsAll(delayeds));
826	>	}
827	>	// Release all pool threads
828	>	unblock.countDown();
829	>
830	>	for (Future<?> delayed : delayeds) {
831	>	if (effectiveDelayedPolicy) {
832	>	assertNull(delayed.get());
833	>	}
834		}
835	<	finally {
836	<	joinPool(p1);
835	>	if (effectivePeriodicPolicy) {
836	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
837	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
838	>	for (Future<?> periodic : periodics) {
839	>	assertTrue(periodic.cancel(false));
840	>	assertTrue(periodic.isCancelled());
841	>	assertTrue(periodic.isDone());
842	>	}
843		}
844	<	}
844	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
845	>	assertTrue(p.isTerminated());
846	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
847	>	}}
848
849		/**
850		* completed submit of callable returns result
851		*/
852	<	public void testSubmitCallable() {
853	<	ExecutorService e = new CustomExecutor(2);
854	<	try {
852	>	public void testSubmitCallable() throws Exception {
853	>	final ExecutorService e = new CustomExecutor(2);
854	>	try (PoolCleaner cleaner = cleaner(e)) {
855		Future<String> future = e.submit(new StringTask());
856		String result = future.get();
857		assertSame(TEST_STRING, result);
858		}
741	–	catch (ExecutionException ex) {
742	–	unexpectedException();
743	–	}
744	–	catch (InterruptedException ex) {
745	–	unexpectedException();
746	–	} finally {
747	–	joinPool(e);
748	–	}
859		}
860
861		/**
862		* completed submit of runnable returns successfully
863		*/
864	<	public void testSubmitRunnable() {
865	<	ExecutorService e = new CustomExecutor(2);
866	<	try {
864	>	public void testSubmitRunnable() throws Exception {
865	>	final ExecutorService e = new CustomExecutor(2);
866	>	try (PoolCleaner cleaner = cleaner(e)) {
867		Future<?> future = e.submit(new NoOpRunnable());
868		future.get();
869		assertTrue(future.isDone());
870		}
761	–	catch (ExecutionException ex) {
762	–	unexpectedException();
763	–	}
764	–	catch (InterruptedException ex) {
765	–	unexpectedException();
766	–	} finally {
767	–	joinPool(e);
768	–	}
871		}
872
873		/**
874		* completed submit of (runnable, result) returns result
875		*/
876	<	public void testSubmitRunnable2() {
877	<	ExecutorService e = new CustomExecutor(2);
878	<	try {
876	>	public void testSubmitRunnable2() throws Exception {
877	>	final ExecutorService e = new CustomExecutor(2);
878	>	try (PoolCleaner cleaner = cleaner(e)) {
879		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
880		String result = future.get();
881		assertSame(TEST_STRING, result);
882		}
781	–	catch (ExecutionException ex) {
782	–	unexpectedException();
783	–	}
784	–	catch (InterruptedException ex) {
785	–	unexpectedException();
786	–	} finally {
787	–	joinPool(e);
788	–	}
883		}
884
885		/**
886		* invokeAny(null) throws NPE
887		*/
888	<	public void testInvokeAny1() {
889	<	ExecutorService e = new CustomExecutor(2);
890	<	try {
891	<	e.invokeAny(null);
892	<	} catch (NullPointerException success) {
893	<	} catch (Exception ex) {
894	<	unexpectedException();
801	<	} finally {
802	<	joinPool(e);
888	>	public void testInvokeAny1() throws Exception {
889	>	final ExecutorService e = new CustomExecutor(2);
890	>	try (PoolCleaner cleaner = cleaner(e)) {
891	>	try {
892	>	e.invokeAny(null);
893	>	shouldThrow();
894	>	} catch (NullPointerException success) {}
895		}
896		}
897
898		/**
899		* invokeAny(empty collection) throws IAE
900		*/
901	<	public void testInvokeAny2() {
902	<	ExecutorService e = new CustomExecutor(2);
903	<	try {
904	<	e.invokeAny(new ArrayList<Callable<String>>());
905	<	} catch (IllegalArgumentException success) {
906	<	} catch (Exception ex) {
907	<	unexpectedException();
816	<	} finally {
817	<	joinPool(e);
901	>	public void testInvokeAny2() throws Exception {
902	>	final ExecutorService e = new CustomExecutor(2);
903	>	try (PoolCleaner cleaner = cleaner(e)) {
904	>	try {
905	>	e.invokeAny(new ArrayList<Callable<String>>());
906	>	shouldThrow();
907	>	} catch (IllegalArgumentException success) {}
908		}
909		}
910
911		/**
912		* invokeAny(c) throws NPE if c has null elements
913		*/
914	<	public void testInvokeAny3() {
915	<	ExecutorService e = new CustomExecutor(2);
916	<	try {
917	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
918	<	l.add(new StringTask());
914	>	public void testInvokeAny3() throws Exception {
915	>	final CountDownLatch latch = new CountDownLatch(1);
916	>	final ExecutorService e = new CustomExecutor(2);
917	>	try (PoolCleaner cleaner = cleaner(e)) {
918	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
919	>	l.add(latchAwaitingStringTask(latch));
920		l.add(null);
921	<	e.invokeAny(l);
922	<	} catch (NullPointerException success) {
923	<	} catch (Exception ex) {
924	<	unexpectedException();
925	<	} finally {
835	<	joinPool(e);
921	>	try {
922	>	e.invokeAny(l);
923	>	shouldThrow();
924	>	} catch (NullPointerException success) {}
925	>	latch.countDown();
926		}
927		}
928
929		/**
930		* invokeAny(c) throws ExecutionException if no task completes
931		*/
932	<	public void testInvokeAny4() {
933	<	ExecutorService e = new CustomExecutor(2);
934	<	try {
935	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
932	>	public void testInvokeAny4() throws Exception {
933	>	final ExecutorService e = new CustomExecutor(2);
934	>	try (PoolCleaner cleaner = cleaner(e)) {
935	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
936		l.add(new NPETask());
937	<	e.invokeAny(l);
938	<	} catch (ExecutionException success) {
939	<	} catch (Exception ex) {
940	<	unexpectedException();
941	<	} finally {
942	<	joinPool(e);
937	>	try {
938	>	e.invokeAny(l);
939	>	shouldThrow();
940	>	} catch (ExecutionException success) {
941	>	assertTrue(success.getCause() instanceof NullPointerException);
942	>	}
943		}
944		}
945
946		/**
947		* invokeAny(c) returns result of some task
948		*/
949	<	public void testInvokeAny5() {
950	<	ExecutorService e = new CustomExecutor(2);
951	<	try {
952	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
949	>	public void testInvokeAny5() throws Exception {
950	>	final ExecutorService e = new CustomExecutor(2);
951	>	try (PoolCleaner cleaner = cleaner(e)) {
952	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
953		l.add(new StringTask());
954		l.add(new StringTask());
955		String result = e.invokeAny(l);
956		assertSame(TEST_STRING, result);
867	–	} catch (ExecutionException success) {
868	–	} catch (Exception ex) {
869	–	unexpectedException();
870	–	} finally {
871	–	joinPool(e);
957		}
958		}
959
960		/**
961		* invokeAll(null) throws NPE
962		*/
963	<	public void testInvokeAll1() {
964	<	ExecutorService e = new CustomExecutor(2);
965	<	try {
966	<	e.invokeAll(null);
967	<	} catch (NullPointerException success) {
968	<	} catch (Exception ex) {
969	<	unexpectedException();
885	<	} finally {
886	<	joinPool(e);
963	>	public void testInvokeAll1() throws Exception {
964	>	final ExecutorService e = new CustomExecutor(2);
965	>	try (PoolCleaner cleaner = cleaner(e)) {
966	>	try {
967	>	e.invokeAll(null);
968	>	shouldThrow();
969	>	} catch (NullPointerException success) {}
970		}
971		}
972
973		/**
974		* invokeAll(empty collection) returns empty collection
975		*/
976	<	public void testInvokeAll2() {
977	<	ExecutorService e = new CustomExecutor(2);
978	<	try {
976	>	public void testInvokeAll2() throws Exception {
977	>	final ExecutorService e = new CustomExecutor(2);
978	>	try (PoolCleaner cleaner = cleaner(e)) {
979		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
980		assertTrue(r.isEmpty());
898	–	} catch (Exception ex) {
899	–	unexpectedException();
900	–	} finally {
901	–	joinPool(e);
981		}
982		}
983
984		/**
985		* invokeAll(c) throws NPE if c has null elements
986		*/
987	<	public void testInvokeAll3() {
988	<	ExecutorService e = new CustomExecutor(2);
989	<	try {
990	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
987	>	public void testInvokeAll3() throws Exception {
988	>	final ExecutorService e = new CustomExecutor(2);
989	>	try (PoolCleaner cleaner = cleaner(e)) {
990	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
991		l.add(new StringTask());
992		l.add(null);
993	<	e.invokeAll(l);
994	<	} catch (NullPointerException success) {
995	<	} catch (Exception ex) {
996	<	unexpectedException();
918	<	} finally {
919	<	joinPool(e);
993	>	try {
994	>	e.invokeAll(l);
995	>	shouldThrow();
996	>	} catch (NullPointerException success) {}
997		}
998		}
999
1000		/**
1001		* get of invokeAll(c) throws exception on failed task
1002		*/
1003	<	public void testInvokeAll4() {
1004	<	ExecutorService e = new CustomExecutor(2);
1005	<	try {
1006	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1003	>	public void testInvokeAll4() throws Exception {
1004	>	final ExecutorService e = new CustomExecutor(2);
1005	>	try (PoolCleaner cleaner = cleaner(e)) {
1006	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1007		l.add(new NPETask());
1008	<	List<Future<String>> result = e.invokeAll(l);
1009	<	assertEquals(1, result.size());
1010	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1011	<	it.next().get();
1012	<	} catch (ExecutionException success) {
1013	<	} catch (Exception ex) {
1014	<	unexpectedException();
1015	<	} finally {
939	<	joinPool(e);
1008	>	List<Future<String>> futures = e.invokeAll(l);
1009	>	assertEquals(1, futures.size());
1010	>	try {
1011	>	futures.get(0).get();
1012	>	shouldThrow();
1013	>	} catch (ExecutionException success) {
1014	>	assertTrue(success.getCause() instanceof NullPointerException);
1015	>	}
1016		}
1017		}
1018
1019		/**
1020		* invokeAll(c) returns results of all completed tasks
1021		*/
1022	<	public void testInvokeAll5() {
1023	<	ExecutorService e = new CustomExecutor(2);
1024	<	try {
1025	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1022	>	public void testInvokeAll5() throws Exception {
1023	>	final ExecutorService e = new CustomExecutor(2);
1024	>	try (PoolCleaner cleaner = cleaner(e)) {
1025	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1026		l.add(new StringTask());
1027		l.add(new StringTask());
1028	<	List<Future<String>> result = e.invokeAll(l);
1029	<	assertEquals(2, result.size());
1030	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1031	<	assertSame(TEST_STRING, it.next().get());
956	<	} catch (ExecutionException success) {
957	<	} catch (Exception ex) {
958	<	unexpectedException();
959	<	} finally {
960	<	joinPool(e);
1028	>	List<Future<String>> futures = e.invokeAll(l);
1029	>	assertEquals(2, futures.size());
1030	>	for (Future<String> future : futures)
1031	>	assertSame(TEST_STRING, future.get());
1032		}
1033		}
1034
1035		/**
1036		* timed invokeAny(null) throws NPE
1037		*/
1038	<	public void testTimedInvokeAny1() {
1039	<	ExecutorService e = new CustomExecutor(2);
1040	<	try {
1041	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1042	<	} catch (NullPointerException success) {
1043	<	} catch (Exception ex) {
1044	<	unexpectedException();
974	<	} finally {
975	<	joinPool(e);
1038	>	public void testTimedInvokeAny1() throws Exception {
1039	>	final ExecutorService e = new CustomExecutor(2);
1040	>	try (PoolCleaner cleaner = cleaner(e)) {
1041	>	try {
1042	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1043	>	shouldThrow();
1044	>	} catch (NullPointerException success) {}
1045		}
1046		}
1047
1048		/**
1049		* timed invokeAny(,,null) throws NPE
1050		*/
1051	<	public void testTimedInvokeAnyNullTimeUnit() {
1052	<	ExecutorService e = new CustomExecutor(2);
1053	<	try {
1054	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1051	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1052	>	final ExecutorService e = new CustomExecutor(2);
1053	>	try (PoolCleaner cleaner = cleaner(e)) {
1054	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1055		l.add(new StringTask());
1056	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1057	<	} catch (NullPointerException success) {
1058	<	} catch (Exception ex) {
1059	<	unexpectedException();
991	<	} finally {
992	<	joinPool(e);
1056	>	try {
1057	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1058	>	shouldThrow();
1059	>	} catch (NullPointerException success) {}
1060		}
1061		}
1062
1063		/**
1064		* timed invokeAny(empty collection) throws IAE
1065		*/
1066	<	public void testTimedInvokeAny2() {
1067	<	ExecutorService e = new CustomExecutor(2);
1068	<	try {
1069	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1070	<	} catch (IllegalArgumentException success) {
1071	<	} catch (Exception ex) {
1072	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
1066	>	public void testTimedInvokeAny2() throws Exception {
1067	>	final ExecutorService e = new CustomExecutor(2);
1068	>	try (PoolCleaner cleaner = cleaner(e)) {
1069	>	try {
1070	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1071	>	shouldThrow();
1072	>	} catch (IllegalArgumentException success) {}
1073		}
1074		}
1075
1076		/**
1077		* timed invokeAny(c) throws NPE if c has null elements
1078		*/
1079	<	public void testTimedInvokeAny3() {
1080	<	ExecutorService e = new CustomExecutor(2);
1081	<	try {
1082	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1083	<	l.add(new StringTask());
1079	>	public void testTimedInvokeAny3() throws Exception {
1080	>	CountDownLatch latch = new CountDownLatch(1);
1081	>	final ExecutorService e = new CustomExecutor(2);
1082	>	try (PoolCleaner cleaner = cleaner(e)) {
1083	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1084	>	l.add(latchAwaitingStringTask(latch));
1085		l.add(null);
1086	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1087	<	} catch (NullPointerException success) {
1088	<	} catch (Exception ex) {
1089	<	ex.printStackTrace();
1090	<	unexpectedException();
1025	<	} finally {
1026	<	joinPool(e);
1086	>	try {
1087	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1088	>	shouldThrow();
1089	>	} catch (NullPointerException success) {}
1090	>	latch.countDown();
1091		}
1092		}
1093
1094		/**
1095		* timed invokeAny(c) throws ExecutionException if no task completes
1096		*/
1097	<	public void testTimedInvokeAny4() {
1098	<	ExecutorService e = new CustomExecutor(2);
1099	<	try {
1100	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1097	>	public void testTimedInvokeAny4() throws Exception {
1098	>	final ExecutorService e = new CustomExecutor(2);
1099	>	try (PoolCleaner cleaner = cleaner(e)) {
1100	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1101		l.add(new NPETask());
1102	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1103	<	} catch (ExecutionException success) {
1104	<	} catch (Exception ex) {
1105	<	unexpectedException();
1106	<	} finally {
1107	<	joinPool(e);
1102	>	try {
1103	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1104	>	shouldThrow();
1105	>	} catch (ExecutionException success) {
1106	>	assertTrue(success.getCause() instanceof NullPointerException);
1107	>	}
1108		}
1109		}
1110
1111		/**
1112		* timed invokeAny(c) returns result of some task
1113		*/
1114	<	public void testTimedInvokeAny5() {
1115	<	ExecutorService e = new CustomExecutor(2);
1116	<	try {
1117	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1114	>	public void testTimedInvokeAny5() throws Exception {
1115	>	final ExecutorService e = new CustomExecutor(2);
1116	>	try (PoolCleaner cleaner = cleaner(e)) {
1117	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1118		l.add(new StringTask());
1119		l.add(new StringTask());
1120	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1120	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1121		assertSame(TEST_STRING, result);
1058	–	} catch (ExecutionException success) {
1059	–	} catch (Exception ex) {
1060	–	unexpectedException();
1061	–	} finally {
1062	–	joinPool(e);
1122		}
1123		}
1124
1125		/**
1126		* timed invokeAll(null) throws NPE
1127		*/
1128	<	public void testTimedInvokeAll1() {
1129	<	ExecutorService e = new CustomExecutor(2);
1130	<	try {
1131	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1132	<	} catch (NullPointerException success) {
1133	<	} catch (Exception ex) {
1134	<	unexpectedException();
1076	<	} finally {
1077	<	joinPool(e);
1128	>	public void testTimedInvokeAll1() throws Exception {
1129	>	final ExecutorService e = new CustomExecutor(2);
1130	>	try (PoolCleaner cleaner = cleaner(e)) {
1131	>	try {
1132	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1133	>	shouldThrow();
1134	>	} catch (NullPointerException success) {}
1135		}
1136		}
1137
1138		/**
1139		* timed invokeAll(,,null) throws NPE
1140		*/
1141	<	public void testTimedInvokeAllNullTimeUnit() {
1142	<	ExecutorService e = new CustomExecutor(2);
1143	<	try {
1144	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1141	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1142	>	final ExecutorService e = new CustomExecutor(2);
1143	>	try (PoolCleaner cleaner = cleaner(e)) {
1144	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1145		l.add(new StringTask());
1146	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1147	<	} catch (NullPointerException success) {
1148	<	} catch (Exception ex) {
1149	<	unexpectedException();
1093	<	} finally {
1094	<	joinPool(e);
1146	>	try {
1147	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1148	>	shouldThrow();
1149	>	} catch (NullPointerException success) {}
1150		}
1151		}
1152
1153		/**
1154		* timed invokeAll(empty collection) returns empty collection
1155		*/
1156	<	public void testTimedInvokeAll2() {
1157	<	ExecutorService e = new CustomExecutor(2);
1158	<	try {
1159	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1156	>	public void testTimedInvokeAll2() throws Exception {
1157	>	final ExecutorService e = new CustomExecutor(2);
1158	>	try (PoolCleaner cleaner = cleaner(e)) {
1159	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1160		assertTrue(r.isEmpty());
1106	–	} catch (Exception ex) {
1107	–	unexpectedException();
1108	–	} finally {
1109	–	joinPool(e);
1161		}
1162		}
1163
1164		/**
1165		* timed invokeAll(c) throws NPE if c has null elements
1166		*/
1167	<	public void testTimedInvokeAll3() {
1168	<	ExecutorService e = new CustomExecutor(2);
1169	<	try {
1170	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1167	>	public void testTimedInvokeAll3() throws Exception {
1168	>	final ExecutorService e = new CustomExecutor(2);
1169	>	try (PoolCleaner cleaner = cleaner(e)) {
1170	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1171		l.add(new StringTask());
1172		l.add(null);
1173	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1174	<	} catch (NullPointerException success) {
1175	<	} catch (Exception ex) {
1176	<	unexpectedException();
1126	<	} finally {
1127	<	joinPool(e);
1173	>	try {
1174	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1175	>	shouldThrow();
1176	>	} catch (NullPointerException success) {}
1177		}
1178		}
1179
1180		/**
1181		* get of element of invokeAll(c) throws exception on failed task
1182		*/
1183	<	public void testTimedInvokeAll4() {
1184	<	ExecutorService e = new CustomExecutor(2);
1185	<	try {
1186	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1183	>	public void testTimedInvokeAll4() throws Exception {
1184	>	final ExecutorService e = new CustomExecutor(2);
1185	>	try (PoolCleaner cleaner = cleaner(e)) {
1186	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1187		l.add(new NPETask());
1188	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1189	<	assertEquals(1, result.size());
1190	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1191	<	it.next().get();
1192	<	} catch (ExecutionException success) {
1193	<	} catch (Exception ex) {
1194	<	unexpectedException();
1195	<	} finally {
1196	<	joinPool(e);
1188	>	List<Future<String>> futures =
1189	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	>	assertEquals(1, futures.size());
1191	>	try {
1192	>	futures.get(0).get();
1193	>	shouldThrow();
1194	>	} catch (ExecutionException success) {
1195	>	assertTrue(success.getCause() instanceof NullPointerException);
1196	>	}
1197		}
1198		}
1199
1200		/**
1201		* timed invokeAll(c) returns results of all completed tasks
1202		*/
1203	<	public void testTimedInvokeAll5() {
1204	<	ExecutorService e = new CustomExecutor(2);
1205	<	try {
1206	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1203	>	public void testTimedInvokeAll5() throws Exception {
1204	>	final ExecutorService e = new CustomExecutor(2);
1205	>	try (PoolCleaner cleaner = cleaner(e)) {
1206	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1207		l.add(new StringTask());
1208		l.add(new StringTask());
1209	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1210	<	assertEquals(2, result.size());
1211	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1212	<	assertSame(TEST_STRING, it.next().get());
1213	<	} catch (ExecutionException success) {
1165	<	} catch (Exception ex) {
1166	<	unexpectedException();
1167	<	} finally {
1168	<	joinPool(e);
1209	>	List<Future<String>> futures =
1210	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1211	>	assertEquals(2, futures.size());
1212	>	for (Future<String> future : futures)
1213	>	assertSame(TEST_STRING, future.get());
1214		}
1215		}
1216
1217		/**
1218		* timed invokeAll(c) cancels tasks not completed by timeout
1219		*/
1220	<	public void testTimedInvokeAll6() {
1221	<	ExecutorService e = new CustomExecutor(2);
1222	<	try {
1223	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1224	<	l.add(new StringTask());
1225	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1226	<	l.add(new StringTask());
1227	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1228	<	assertEquals(3, result.size());
1229	<	Iterator<Future<String>> it = result.iterator();
1230	<	Future<String> f1 = it.next();
1231	<	Future<String> f2 = it.next();
1232	<	Future<String> f3 = it.next();
1233	<	assertTrue(f1.isDone());
1234	<	assertTrue(f2.isDone());
1235	<	assertTrue(f3.isDone());
1236	<	assertFalse(f1.isCancelled());
1237	<	assertTrue(f2.isCancelled());
1238	<	} catch (Exception ex) {
1239	<	unexpectedException();
1240	<	} finally {
1241	<	joinPool(e);
1220	>	public void testTimedInvokeAll6() throws Exception {
1221	>	final ExecutorService e = new CustomExecutor(2);
1222	>	try (PoolCleaner cleaner = cleaner(e)) {
1223	>	for (long timeout = timeoutMillis();;) {
1224	>	List<Callable<String>> tasks = new ArrayList<>();
1225	>	tasks.add(new StringTask("0"));
1226	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1227	>	tasks.add(new StringTask("2"));
1228	>	long startTime = System.nanoTime();
1229	>	List<Future<String>> futures =
1230	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1231	>	assertEquals(tasks.size(), futures.size());
1232	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1233	>	for (Future future : futures)
1234	>	assertTrue(future.isDone());
1235	>	assertTrue(futures.get(1).isCancelled());
1236	>	try {
1237	>	assertEquals("0", futures.get(0).get());
1238	>	assertEquals("2", futures.get(2).get());
1239	>	break;
1240	>	} catch (CancellationException retryWithLongerTimeout) {
1241	>	timeout *= 2;
1242	>	if (timeout >= LONG_DELAY_MS / 2)
1243	>	fail("expected exactly one task to be cancelled");
1244	>	}
1245	>	}
1246		}
1247		}
1248
1200	–
1249		}

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