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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.15 by jsr166, Mon Oct 11 07:21:32 2010 UTC vs.
Revision 1.50 by jsr166, Mon Oct 5 22:09:02 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.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.util.concurrent.atomic.*;
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);
#	Line 36 | 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
51	–
74		public class CustomExecutor extends ScheduledThreadPoolExecutor {
75
76		protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) {
#	Line 58 | 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 73 | Line 95 | public class ScheduledExecutorSubclassTe
95
96		}
97
76	–
98		/**
99		* execute successfully executes a runnable
100		*/
101		public void testExecute() throws InterruptedException {
102	<	CustomExecutor p = new CustomExecutor(1);
103	<	final CountDownLatch done = new CountDownLatch(1);
104	<	final Runnable task = new CheckedRunnable() {
105	<	public void realRun() {
106	<	done.countDown();
86	<	}};
87	<	try {
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	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
90	<	} finally {
91	<	joinPool(p);
108	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
109		}
110		}
111
95	–
112		/**
113		* delayed schedule of callable successfully executes after delay
114		*/
115		public void testSchedule1() throws Exception {
116	<	CustomExecutor p = new CustomExecutor(1);
117	<	final long t0 = System.nanoTime();
118	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
119	<	final CountDownLatch done = new CountDownLatch(1);
104	<	try {
116	>	final CustomExecutor p = new CustomExecutor(1);
117	>	try (PoolCleaner cleaner = cleaner(p)) {
118	>	final long startTime = System.nanoTime();
119	>	final CountDownLatch done = new CountDownLatch(1);
120		Callable task = new CheckedCallable<Boolean>() {
121		public Boolean realCall() {
122		done.countDown();
123	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
123	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
124		return Boolean.TRUE;
125		}};
126	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
127	<	assertEquals(Boolean.TRUE, f.get());
128	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
126	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
127	>	assertSame(Boolean.TRUE, f.get());
128	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
129		assertTrue(done.await(0L, MILLISECONDS));
115	–	} finally {
116	–	joinPool(p);
130		}
131		}
132
#	Line 121 | Line 134 | public class ScheduledExecutorSubclassTe
134		* delayed schedule of runnable successfully executes after delay
135		*/
136		public void testSchedule3() throws Exception {
137	<	CustomExecutor p = new CustomExecutor(1);
138	<	final long t0 = System.nanoTime();
139	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
140	<	final CountDownLatch done = new CountDownLatch(1);
128	<	try {
137	>	final CustomExecutor p = new CustomExecutor(1);
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	final long startTime = System.nanoTime();
140	>	final CountDownLatch done = new CountDownLatch(1);
141		Runnable task = new CheckedRunnable() {
142		public void realRun() {
143		done.countDown();
144	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
144	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
145		}};
146	<	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
147	<	assertNull(f.get());
148	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
149	<	assertTrue(done.await(0L, MILLISECONDS));
138	<	} finally {
139	<	joinPool(p);
146	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
147	>	await(done);
148	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
149	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
150		}
151		}
152
#	Line 144 | Line 154 | public class ScheduledExecutorSubclassTe
154		* scheduleAtFixedRate executes runnable after given initial delay
155		*/
156		public void testSchedule4() throws InterruptedException {
157	<	CustomExecutor p = new CustomExecutor(1);
158	<	final long t0 = System.nanoTime();
159	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
160	<	final CountDownLatch done = new CountDownLatch(1);
151	<	try {
157	>	final CustomExecutor p = new CustomExecutor(1);
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	final long startTime = System.nanoTime();
160	>	final CountDownLatch done = new CountDownLatch(1);
161		Runnable task = new CheckedRunnable() {
162		public void realRun() {
163		done.countDown();
164	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
164	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
165		}};
166		ScheduledFuture f =
167	<	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
168	<	SHORT_DELAY_MS, MILLISECONDS);
169	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
170	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
167	>	p.scheduleAtFixedRate(task, timeoutMillis(),
168	>	LONG_DELAY_MS, MILLISECONDS);
169	>	await(done);
170	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
171		f.cancel(true);
163	–	} finally {
164	–	joinPool(p);
172		}
173		}
174
#	Line 169 | Line 176 | public class ScheduledExecutorSubclassTe
176		* scheduleWithFixedDelay executes runnable after given initial delay
177		*/
178		public void testSchedule5() throws InterruptedException {
179	<	CustomExecutor p = new CustomExecutor(1);
180	<	final long t0 = System.nanoTime();
181	<	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
182	<	final CountDownLatch done = new CountDownLatch(1);
176	<	try {
179	>	final CustomExecutor p = new CustomExecutor(1);
180	>	try (PoolCleaner cleaner = cleaner(p)) {
181	>	final long startTime = System.nanoTime();
182	>	final CountDownLatch done = new CountDownLatch(1);
183		Runnable task = new CheckedRunnable() {
184		public void realRun() {
185		done.countDown();
186	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
186	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
187		}};
188		ScheduledFuture f =
189	<	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
190	<	SHORT_DELAY_MS, MILLISECONDS);
191	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
192	<	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
189	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
190	>	LONG_DELAY_MS, MILLISECONDS);
191	>	await(done);
192	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
193		f.cancel(true);
188	–	} finally {
189	–	joinPool(p);
194		}
195		}
196
#	Line 199 | Line 203 | public class ScheduledExecutorSubclassTe
203		* scheduleAtFixedRate executes series of tasks at given rate
204		*/
205		public void testFixedRateSequence() throws InterruptedException {
206	<	CustomExecutor p = new CustomExecutor(1);
207	<	RunnableCounter counter = new RunnableCounter();
208	<	ScheduledFuture h =
209	<	p.scheduleAtFixedRate(counter, 0, 1, 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(p);
206	>	final CustomExecutor p = new CustomExecutor(1);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
209	>	long startTime = System.nanoTime();
210	>	int cycles = 10;
211	>	final CountDownLatch done = new CountDownLatch(cycles);
212	>	Runnable task = new CheckedRunnable() {
213	>	public void realRun() { done.countDown(); }};
214	>	ScheduledFuture h =
215	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
216	>	done.await();
217	>	h.cancel(true);
218	>	double normalizedTime =
219	>	(double) millisElapsedSince(startTime) / delay;
220	>	if (normalizedTime >= cycles - 1 &&
221	>	normalizedTime <= cycles)
222	>	return;
223	>	}
224	>	throw new AssertionError("unexpected execution rate");
225	>	}
226		}
227
228		/**
229		* scheduleWithFixedDelay executes series of tasks with given period
230		*/
231		public void testFixedDelaySequence() throws InterruptedException {
232	<	CustomExecutor p = new CustomExecutor(1);
233	<	RunnableCounter counter = new RunnableCounter();
234	<	ScheduledFuture h =
235	<	p.scheduleWithFixedDelay(counter, 0, 1, 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(p);
232	>	final CustomExecutor p = new CustomExecutor(1);
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
235	>	long startTime = System.nanoTime();
236	>	int cycles = 10;
237	>	final CountDownLatch done = new CountDownLatch(cycles);
238	>	Runnable task = new CheckedRunnable() {
239	>	public void realRun() { done.countDown(); }};
240	>	ScheduledFuture h =
241	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
242	>	done.await();
243	>	h.cancel(true);
244	>	double normalizedTime =
245	>	(double) millisElapsedSince(startTime) / delay;
246	>	if (normalizedTime >= cycles - 1 &&
247	>	normalizedTime <= cycles)
248	>	return;
249	>	}
250	>	throw new AssertionError("unexpected execution rate");
251	>	}
252		}
253
232	–
254		/**
255		* execute(null) throws NPE
256		*/
257		public void testExecuteNull() throws InterruptedException {
258	<	CustomExecutor se = new CustomExecutor(1);
259	<	try {
260	<	se.execute(null);
261	<	shouldThrow();
262	<	} catch (NullPointerException success) {}
263	<	joinPool(se);
258	>	final CustomExecutor p = new CustomExecutor(1);
259	>	try (PoolCleaner cleaner = cleaner(p)) {
260	>	try {
261	>	p.execute(null);
262	>	shouldThrow();
263	>	} catch (NullPointerException success) {}
264	>	}
265		}
266
267		/**
268		* schedule(null) throws NPE
269		*/
270		public void testScheduleNull() throws InterruptedException {
271	<	CustomExecutor se = new CustomExecutor(1);
272	<	try {
273	<	TrackedCallable callable = null;
274	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
275	<	shouldThrow();
276	<	} catch (NullPointerException success) {}
277	<	joinPool(se);
271	>	final CustomExecutor p = new CustomExecutor(1);
272	>	try (PoolCleaner cleaner = cleaner(p)) {
273	>	try {
274	>	TrackedCallable callable = null;
275	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {}
278	>	}
279		}
280
281		/**
282		* execute throws RejectedExecutionException if shutdown
283		*/
284		public void testSchedule1_RejectedExecutionException() {
285	<	CustomExecutor se = new CustomExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpRunnable(),
289	<	MEDIUM_DELAY_MS, MILLISECONDS);
290	<	shouldThrow();
291	<	} catch (RejectedExecutionException success) {
292	<	} catch (SecurityException ok) {
285	>	final CustomExecutor p = new CustomExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpRunnable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294		}
271	–
272	–	joinPool(se);
295		}
296
297		/**
298		* schedule throws RejectedExecutionException if shutdown
299		*/
300		public void testSchedule2_RejectedExecutionException() {
301	<	CustomExecutor se = new CustomExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.schedule(new NoOpCallable(),
305	<	MEDIUM_DELAY_MS, MILLISECONDS);
306	<	shouldThrow();
307	<	} catch (RejectedExecutionException success) {
308	<	} catch (SecurityException ok) {
301	>	final CustomExecutor p = new CustomExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.schedule(new NoOpCallable(),
306	>	MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310		}
288	–	joinPool(se);
311		}
312
313		/**
314		* schedule callable throws RejectedExecutionException if shutdown
315		*/
316	<	public void testSchedule3_RejectedExecutionException() {
317	<	CustomExecutor se = new CustomExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.schedule(new NoOpCallable(),
321	<	MEDIUM_DELAY_MS, MILLISECONDS);
322	<	shouldThrow();
323	<	} catch (RejectedExecutionException success) {
324	<	} catch (SecurityException ok) {
325	<	}
326	<	joinPool(se);
316	>	public void testSchedule3_RejectedExecutionException() {
317	>	final CustomExecutor p = new CustomExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.schedule(new NoOpCallable(),
322	>	MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326	>	}
327		}
328
329		/**
330		* scheduleAtFixedRate throws RejectedExecutionException if shutdown
331		*/
332		public void testScheduleAtFixedRate1_RejectedExecutionException() {
333	<	CustomExecutor se = new CustomExecutor(1);
334	<	try {
335	<	se.shutdown();
336	<	se.scheduleAtFixedRate(new NoOpRunnable(),
337	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
338	<	shouldThrow();
339	<	} catch (RejectedExecutionException success) {
340	<	} catch (SecurityException ok) {
333	>	final CustomExecutor p = new CustomExecutor(1);
334	>	try (PoolCleaner cleaner = cleaner(p)) {
335	>	try {
336	>	p.shutdown();
337	>	p.scheduleAtFixedRate(new NoOpRunnable(),
338	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
339	>	shouldThrow();
340	>	} catch (RejectedExecutionException success) {
341	>	} catch (SecurityException ok) {}
342		}
320	–	joinPool(se);
343		}
344
345		/**
346		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
347		*/
348		public void testScheduleWithFixedDelay1_RejectedExecutionException() {
349	<	CustomExecutor se = new CustomExecutor(1);
350	<	try {
351	<	se.shutdown();
352	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
353	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
354	<	shouldThrow();
355	<	} catch (RejectedExecutionException success) {
356	<	} catch (SecurityException ok) {
349	>	final CustomExecutor p = new CustomExecutor(1);
350	>	try (PoolCleaner cleaner = cleaner(p)) {
351	>	try {
352	>	p.shutdown();
353	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
354	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
355	>	shouldThrow();
356	>	} catch (RejectedExecutionException success) {
357	>	} catch (SecurityException ok) {}
358		}
336	–	joinPool(se);
359		}
360
361		/**
#	Line 342 | Line 364 | public class ScheduledExecutorSubclassTe
364		*/
365		public void testGetActiveCount() throws InterruptedException {
366		final ThreadPoolExecutor p = new CustomExecutor(2);
367	<	final CountDownLatch threadStarted = new CountDownLatch(1);
368	<	final CountDownLatch done = new CountDownLatch(1);
369	<	try {
367	>	try (PoolCleaner cleaner = cleaner(p)) {
368	>	final CountDownLatch threadStarted = new CountDownLatch(1);
369	>	final CountDownLatch done = new CountDownLatch(1);
370		assertEquals(0, p.getActiveCount());
371		p.execute(new CheckedRunnable() {
372		public void realRun() throws InterruptedException {
#	Line 352 | Line 374 | public class ScheduledExecutorSubclassTe
374		assertEquals(1, p.getActiveCount());
375		done.await();
376		}});
377	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
377	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
378		assertEquals(1, p.getActiveCount());
357	–	} finally {
379		done.countDown();
359	–	joinPool(p);
380		}
381		}
382
#	Line 366 | Line 386 | public class ScheduledExecutorSubclassTe
386		*/
387		public void testGetCompletedTaskCount() throws InterruptedException {
388		final ThreadPoolExecutor p = new CustomExecutor(2);
389	<	final CountDownLatch threadStarted = new CountDownLatch(1);
390	<	final CountDownLatch threadProceed = new CountDownLatch(1);
391	<	final CountDownLatch threadDone = new CountDownLatch(1);
392	<	try {
389	>	try (PoolCleaner cleaner = cleaner(p)) {
390	>	final CountDownLatch threadStarted = new CountDownLatch(1);
391	>	final CountDownLatch threadProceed = new CountDownLatch(1);
392	>	final CountDownLatch threadDone = new CountDownLatch(1);
393		assertEquals(0, p.getCompletedTaskCount());
394		p.execute(new CheckedRunnable() {
395		public void realRun() throws InterruptedException {
#	Line 378 | Line 398 | public class ScheduledExecutorSubclassTe
398		threadProceed.await();
399		threadDone.countDown();
400		}});
401	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
401	>	await(threadStarted);
402		assertEquals(0, p.getCompletedTaskCount());
403		threadProceed.countDown();
404		threadDone.await();
405	<	Thread.sleep(SHORT_DELAY_MS);
406	<	assertEquals(1, p.getCompletedTaskCount());
407	<	} finally {
408	<	joinPool(p);
405	>	long startTime = System.nanoTime();
406	>	while (p.getCompletedTaskCount() != 1) {
407	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
408	>	fail("timed out");
409	>	Thread.yield();
410	>	}
411		}
412		}
413
#	Line 393 | Line 415 | public class ScheduledExecutorSubclassTe
415		* getCorePoolSize returns size given in constructor if not otherwise set
416		*/
417		public void testGetCorePoolSize() {
418	<	CustomExecutor p = new CustomExecutor(1);
419	<	assertEquals(1, p.getCorePoolSize());
420	<	joinPool(p);
418	>	final CustomExecutor p = new CustomExecutor(1);
419	>	try (PoolCleaner cleaner = cleaner(p)) {
420	>	assertEquals(1, p.getCorePoolSize());
421	>	}
422		}
423
424		/**
#	Line 405 | Line 428 | public class ScheduledExecutorSubclassTe
428		public void testGetLargestPoolSize() throws InterruptedException {
429		final int THREADS = 3;
430		final ThreadPoolExecutor p = new CustomExecutor(THREADS);
431	<	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
432	<	final CountDownLatch done = new CountDownLatch(1);
433	<	try {
431	>	try (PoolCleaner cleaner = cleaner(p)) {
432	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
433	>	final CountDownLatch done = new CountDownLatch(1);
434		assertEquals(0, p.getLargestPoolSize());
435		for (int i = 0; i < THREADS; i++)
436		p.execute(new CheckedRunnable() {
#	Line 416 | Line 439 | public class ScheduledExecutorSubclassTe
439		done.await();
440		assertEquals(THREADS, p.getLargestPoolSize());
441		}});
442	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
442	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
443		assertEquals(THREADS, p.getLargestPoolSize());
421	–	} finally {
444		done.countDown();
423	–	joinPool(p);
424	–	assertEquals(THREADS, p.getLargestPoolSize());
445		}
446	+	assertEquals(THREADS, p.getLargestPoolSize());
447		}
448
449		/**
#	Line 431 | Line 452 | public class ScheduledExecutorSubclassTe
452		*/
453		public void testGetPoolSize() throws InterruptedException {
454		final ThreadPoolExecutor p = new CustomExecutor(1);
455	<	final CountDownLatch threadStarted = new CountDownLatch(1);
456	<	final CountDownLatch done = new CountDownLatch(1);
457	<	try {
455	>	try (PoolCleaner cleaner = cleaner(p)) {
456	>	final CountDownLatch threadStarted = new CountDownLatch(1);
457	>	final CountDownLatch done = new CountDownLatch(1);
458		assertEquals(0, p.getPoolSize());
459		p.execute(new CheckedRunnable() {
460		public void realRun() throws InterruptedException {
#	Line 441 | Line 462 | public class ScheduledExecutorSubclassTe
462		assertEquals(1, p.getPoolSize());
463		done.await();
464		}});
465	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
465	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
466		assertEquals(1, p.getPoolSize());
446	–	} finally {
467		done.countDown();
448	–	joinPool(p);
468		}
469		}
470
#	Line 454 | Line 473 | public class ScheduledExecutorSubclassTe
473		* submitted
474		*/
475		public void testGetTaskCount() throws InterruptedException {
476	<	final ThreadPoolExecutor p = new CustomExecutor(1);
458	<	final CountDownLatch threadStarted = new CountDownLatch(1);
476	>	final int TASKS = 3;
477		final CountDownLatch done = new CountDownLatch(1);
478	<	final int TASKS = 5;
479	<	try {
478	>	final ThreadPoolExecutor p = new CustomExecutor(1);
479	>	try (PoolCleaner cleaner = cleaner(p, done)) {
480	>	final CountDownLatch threadStarted = new CountDownLatch(1);
481		assertEquals(0, p.getTaskCount());
482	<	for (int i = 0; i < TASKS; i++)
482	>	assertEquals(0, p.getCompletedTaskCount());
483	>	p.execute(new CheckedRunnable() {
484	>	public void realRun() throws InterruptedException {
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
489	>	assertEquals(1, p.getTaskCount());
490	>	assertEquals(0, p.getCompletedTaskCount());
491	>	for (int i = 0; i < TASKS; i++) {
492	>	assertEquals(1 + i, p.getTaskCount());
493		p.execute(new CheckedRunnable() {
494		public void realRun() throws InterruptedException {
495		threadStarted.countDown();
496	+	assertEquals(1 + TASKS, p.getTaskCount());
497		done.await();
498		}});
499	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
500	<	assertEquals(TASKS, p.getTaskCount());
501	<	} finally {
472	<	done.countDown();
473	<	joinPool(p);
499	>	}
500	>	assertEquals(1 + TASKS, p.getTaskCount());
501	>	assertEquals(0, p.getCompletedTaskCount());
502		}
503	+	assertEquals(1 + TASKS, p.getTaskCount());
504	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
505		}
506
507		/**
508		* getThreadFactory returns factory in constructor if not set
509		*/
510		public void testGetThreadFactory() {
511	<	ThreadFactory tf = new SimpleThreadFactory();
512	<	CustomExecutor p = new CustomExecutor(1, tf);
513	<	assertSame(tf, p.getThreadFactory());
514	<	joinPool(p);
511	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
512	>	final CustomExecutor p = new CustomExecutor(1, threadFactory);
513	>	try (PoolCleaner cleaner = cleaner(p)) {
514	>	assertSame(threadFactory, p.getThreadFactory());
515	>	}
516		}
517
518		/**
519		* setThreadFactory sets the thread factory returned by getThreadFactory
520		*/
521		public void testSetThreadFactory() {
522	<	ThreadFactory tf = new SimpleThreadFactory();
523	<	CustomExecutor p = new CustomExecutor(1);
524	<	p.setThreadFactory(tf);
525	<	assertSame(tf, p.getThreadFactory());
526	<	joinPool(p);
522	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
523	>	final CustomExecutor p = new CustomExecutor(1);
524	>	try (PoolCleaner cleaner = cleaner(p)) {
525	>	p.setThreadFactory(threadFactory);
526	>	assertSame(threadFactory, p.getThreadFactory());
527	>	}
528		}
529
530		/**
531		* setThreadFactory(null) throws NPE
532		*/
533		public void testSetThreadFactoryNull() {
534	<	CustomExecutor p = new CustomExecutor(1);
535	<	try {
536	<	p.setThreadFactory(null);
537	<	shouldThrow();
538	<	} catch (NullPointerException success) {
539	<	} finally {
508	<	joinPool(p);
534	>	final CustomExecutor p = new CustomExecutor(1);
535	>	try (PoolCleaner cleaner = cleaner(p)) {
536	>	try {
537	>	p.setThreadFactory(null);
538	>	shouldThrow();
539	>	} catch (NullPointerException success) {}
540		}
541		}
542
543		/**
544	<	* isShutDown is false before shutdown, true after
544	>	* isShutdown is false before shutdown, true after
545		*/
546		public void testIsShutdown() {
547	<	CustomExecutor p = new CustomExecutor(1);
548	<	try {
547	>	final CustomExecutor p = new CustomExecutor(1);
548	>	try (PoolCleaner cleaner = cleaner(p)) {
549		assertFalse(p.isShutdown());
519	–	}
520	–	finally {
550		try { p.shutdown(); } catch (SecurityException ok) { return; }
551	+	assertTrue(p.isShutdown());
552		}
523	–	assertTrue(p.isShutdown());
553		}
554
526	–
555		/**
556		* isTerminated is false before termination, true after
557		*/
558		public void testIsTerminated() throws InterruptedException {
559		final ThreadPoolExecutor p = new CustomExecutor(1);
560	<	final CountDownLatch threadStarted = new CountDownLatch(1);
561	<	final CountDownLatch done = new CountDownLatch(1);
562	<	assertFalse(p.isTerminated());
563	<	try {
560	>	try (PoolCleaner cleaner = cleaner(p)) {
561	>	final CountDownLatch threadStarted = new CountDownLatch(1);
562	>	final CountDownLatch done = new CountDownLatch(1);
563	>	assertFalse(p.isTerminated());
564		p.execute(new CheckedRunnable() {
565		public void realRun() throws InterruptedException {
538	–	threadStarted.countDown();
566		assertFalse(p.isTerminated());
567	+	threadStarted.countDown();
568		done.await();
569		}});
570	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
570	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
571	>	assertFalse(p.isTerminating());
572		done.countDown();
544	–	} finally {
573		try { p.shutdown(); } catch (SecurityException ok) { return; }
574	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
575	+	assertTrue(p.isTerminated());
576		}
547	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
548	–	assertTrue(p.isTerminated());
577		}
578
579		/**
#	Line 553 | Line 581 | public class ScheduledExecutorSubclassTe
581		*/
582		public void testIsTerminating() throws InterruptedException {
583		final ThreadPoolExecutor p = new CustomExecutor(1);
584	<	final CountDownLatch threadStarted = new CountDownLatch(1);
585	<	final CountDownLatch done = new CountDownLatch(1);
586	<	try {
584	>	try (PoolCleaner cleaner = cleaner(p)) {
585	>	final CountDownLatch threadStarted = new CountDownLatch(1);
586	>	final CountDownLatch done = new CountDownLatch(1);
587		assertFalse(p.isTerminating());
588		p.execute(new CheckedRunnable() {
589		public void realRun() throws InterruptedException {
562	–	threadStarted.countDown();
590		assertFalse(p.isTerminating());
591	+	threadStarted.countDown();
592		done.await();
593		}});
594	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
594	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
595		assertFalse(p.isTerminating());
596		done.countDown();
569	–	} finally {
597		try { p.shutdown(); } catch (SecurityException ok) { return; }
598	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
599	+	assertTrue(p.isTerminated());
600	+	assertFalse(p.isTerminating());
601		}
572	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
573	–	assertTrue(p.isTerminated());
574	–	assertFalse(p.isTerminating());
602		}
603
604		/**
605		* getQueue returns the work queue, which contains queued tasks
606		*/
607		public void testGetQueue() throws InterruptedException {
608	<	ScheduledThreadPoolExecutor p = new CustomExecutor(1);
609	<	final CountDownLatch threadStarted = new CountDownLatch(1);
610	<	final CountDownLatch done = new CountDownLatch(1);
611	<	try {
608	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
609	>	try (PoolCleaner cleaner = cleaner(p)) {
610	>	final CountDownLatch threadStarted = new CountDownLatch(1);
611	>	final CountDownLatch done = new CountDownLatch(1);
612		ScheduledFuture[] tasks = new ScheduledFuture[5];
613		for (int i = 0; i < tasks.length; i++) {
614		Runnable r = new CheckedRunnable() {
#	Line 591 | Line 618 | public class ScheduledExecutorSubclassTe
618		}};
619		tasks[i] = p.schedule(r, 1, MILLISECONDS);
620		}
621	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
621	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
622		BlockingQueue<Runnable> q = p.getQueue();
623		assertTrue(q.contains(tasks[tasks.length - 1]));
624		assertFalse(q.contains(tasks[0]));
598	–	} finally {
625		done.countDown();
600	–	joinPool(p);
626		}
627		}
628
#	Line 606 | Line 631 | public class ScheduledExecutorSubclassTe
631		*/
632		public void testRemove() throws InterruptedException {
633		final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
634	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
635	<	final CountDownLatch threadStarted = new CountDownLatch(1);
636	<	final CountDownLatch done = new CountDownLatch(1);
637	<	try {
634	>	try (PoolCleaner cleaner = cleaner(p)) {
635	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
636	>	final CountDownLatch threadStarted = new CountDownLatch(1);
637	>	final CountDownLatch done = new CountDownLatch(1);
638		for (int i = 0; i < tasks.length; i++) {
639		Runnable r = new CheckedRunnable() {
640		public void realRun() throws InterruptedException {
#	Line 618 | Line 643 | public class ScheduledExecutorSubclassTe
643		}};
644		tasks[i] = p.schedule(r, 1, MILLISECONDS);
645		}
646	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
646	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
647		BlockingQueue<Runnable> q = p.getQueue();
648		assertFalse(p.remove((Runnable)tasks[0]));
649		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 629 | Line 654 | public class ScheduledExecutorSubclassTe
654		assertTrue(q.contains((Runnable)tasks[3]));
655		assertTrue(p.remove((Runnable)tasks[3]));
656		assertFalse(q.contains((Runnable)tasks[3]));
632	–	} finally {
657		done.countDown();
634	–	joinPool(p);
658		}
659		}
660
#	Line 639 | Line 662 | public class ScheduledExecutorSubclassTe
662		* purge removes cancelled tasks from the queue
663		*/
664		public void testPurge() throws InterruptedException {
665	<	CustomExecutor p = new CustomExecutor(1);
666	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
667	<	for (int i = 0; i < tasks.length; i++) {
668	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
669	<	}
670	<	try {
665	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
666	>	final Runnable releaser = new Runnable() { public void run() {
667	>	for (ScheduledFuture task : tasks)
668	>	if (task != null) task.cancel(true); }};
669	>	final CustomExecutor p = new CustomExecutor(1);
670	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
671	>	for (int i = 0; i < tasks.length; i++)
672	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
673	>	LONG_DELAY_MS, MILLISECONDS);
674		int max = tasks.length;
675		if (tasks[4].cancel(true)) --max;
676		if (tasks[3].cancel(true)) --max;
677		// There must eventually be an interference-free point at
678		// which purge will not fail. (At worst, when queue is empty.)
679	<	int k;
680	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
679	>	long startTime = System.nanoTime();
680	>	do {
681		p.purge();
682		long count = p.getTaskCount();
683	<	if (count >= 0 && count <= max)
684	<	break;
685	<	Thread.sleep(1);
686	<	}
661	<	assertTrue(k < SMALL_DELAY_MS);
662	<	} finally {
663	<	for (ScheduledFuture task : tasks)
664	<	task.cancel(true);
665	<	joinPool(p);
683	>	if (count == max)
684	>	return;
685	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
686	>	fail("Purge failed to remove cancelled tasks");
687		}
688		}
689
690		/**
691	<	* shutDownNow returns a list containing tasks that were not run
692	<	*/
693	<	public void testShutDownNow() {
694	<	CustomExecutor p = new CustomExecutor(1);
695	<	for (int i = 0; i < 5; i++)
696	<	p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
697	<	List l;
691	>	* shutdownNow returns a list containing tasks that were not run,
692	>	* and those tasks are drained from the queue
693	>	*/
694	>	public void testShutdownNow() throws InterruptedException {
695	>	final int poolSize = 2;
696	>	final int count = 5;
697	>	final AtomicInteger ran = new AtomicInteger(0);
698	>	final CustomExecutor p = new CustomExecutor(poolSize);
699	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
700	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
701	>	threadsStarted.countDown();
702	>	try {
703	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
704	>	} catch (InterruptedException success) {}
705	>	ran.getAndIncrement();
706	>	}};
707	>	for (int i = 0; i < count; i++)
708	>	p.execute(waiter);
709	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
710	>	assertEquals(poolSize, p.getActiveCount());
711	>	assertEquals(0, p.getCompletedTaskCount());
712	>	final List<Runnable> queuedTasks;
713		try {
714	<	l = p.shutdownNow();
714	>	queuedTasks = p.shutdownNow();
715		} catch (SecurityException ok) {
716	<	return;
716	>	return; // Allowed in case test doesn't have privs
717		}
718		assertTrue(p.isShutdown());
719	<	assertTrue(l.size() > 0 && l.size() <= 5);
720	<	joinPool(p);
719	>	assertTrue(p.getQueue().isEmpty());
720	>	assertEquals(count - poolSize, queuedTasks.size());
721	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
722	>	assertTrue(p.isTerminated());
723	>	assertEquals(poolSize, ran.get());
724	>	assertEquals(poolSize, p.getCompletedTaskCount());
725		}
726
727		/**
728	<	* In default setting, shutdown cancels periodic but not delayed
729	<	* tasks at shutdown
728	>	* shutdownNow returns a list containing tasks that were not run,
729	>	* and those tasks are drained from the queue
730		*/
731	<	public void testShutDown1() throws InterruptedException {
732	<	CustomExecutor p = new CustomExecutor(1);
733	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
734	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
735	<
736	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
737	<	for (int i = 0; i < tasks.length; i++)
738	<	tasks[i] = p.schedule(new NoOpRunnable(),
739	<	SHORT_DELAY_MS, MILLISECONDS);
740	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
741	<	BlockingQueue<Runnable> q = p.getQueue();
742	<	for (ScheduledFuture task : tasks) {
743	<	assertFalse(task.isDone());
744	<	assertFalse(task.isCancelled());
745	<	assertTrue(q.contains(task));
731	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
732	>	final CustomExecutor p = new CustomExecutor(1);
733	>	List<ScheduledFuture> tasks = new ArrayList<>();
734	>	for (int i = 0; i < 3; i++) {
735	>	Runnable r = new NoOpRunnable();
736	>	tasks.add(p.schedule(r, 9, SECONDS));
737	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
738	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
739	>	}
740	>	if (testImplementationDetails)
741	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
742	>	final List<Runnable> queuedTasks;
743	>	try {
744	>	queuedTasks = p.shutdownNow();
745	>	} catch (SecurityException ok) {
746	>	return; // Allowed in case test doesn't have privs
747		}
748		assertTrue(p.isShutdown());
749	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
750	<	assertTrue(p.isTerminated());
749	>	assertTrue(p.getQueue().isEmpty());
750	>	if (testImplementationDetails)
751	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
752	>	assertEquals(tasks.size(), queuedTasks.size());
753		for (ScheduledFuture task : tasks) {
754	<	assertTrue(task.isDone());
754	>	assertFalse(((CustomTask)task).ran);
755	>	assertFalse(task.isDone());
756		assertFalse(task.isCancelled());
757		}
758	<	}
715	<
716	<
717	<	/**
718	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
719	<	* delayed tasks are cancelled at shutdown
720	<	*/
721	<	public void testShutDown2() throws InterruptedException {
722	<	CustomExecutor p = new CustomExecutor(1);
723	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
724	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
725	<	for (int i = 0; i < tasks.length; i++)
726	<	tasks[i] = p.schedule(new NoOpRunnable(),
727	<	SHORT_DELAY_MS, MILLISECONDS);
728	<	BlockingQueue q = p.getQueue();
729	<	assertEquals(tasks.length, q.size());
730	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
731	<	assertTrue(p.isShutdown());
732	<	assertTrue(q.isEmpty());
733	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
758	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
759		assertTrue(p.isTerminated());
735	–	for (ScheduledFuture task : tasks) {
736	–	assertTrue(task.isDone());
737	–	assertTrue(task.isCancelled());
738	–	}
760		}
761
741	–
762		/**
763	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
764	<	* periodic tasks are cancelled at shutdown
765	<	*/
766	<	public void testShutDown3() throws InterruptedException {
767	<	CustomExecutor p = new CustomExecutor(1);
768	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
769	<	ScheduledFuture task =
770	<	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
763	>	* By default, periodic tasks are cancelled at shutdown.
764	>	* By default, delayed tasks keep running after shutdown.
765	>	* Check that changing the default values work:
766	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
767	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
768	>	*/
769	>	public void testShutdown_cancellation() throws Exception {
770	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
771	>	for (Boolean policy : allBooleans)
772	>	{
773	>	final int poolSize = 2;
774	>	final CustomExecutor p = new CustomExecutor(poolSize);
775	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
776	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
777	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
778	>	if (policy != null) {
779	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
780	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
781	>	p.setRemoveOnCancelPolicy(policy);
782	>	}
783	>	assertEquals(effectiveDelayedPolicy,
784	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
785	>	assertEquals(effectivePeriodicPolicy,
786	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
787	>	assertEquals(effectiveRemovePolicy,
788	>	p.getRemoveOnCancelPolicy());
789	>	// Strategy: Wedge the pool with poolSize "blocker" threads
790	>	final AtomicInteger ran = new AtomicInteger(0);
791	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
792	>	final CountDownLatch unblock = new CountDownLatch(1);
793	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
794	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
795	>	Runnable task = new CheckedRunnable() { public void realRun()
796	>	throws InterruptedException {
797	>	poolBlocked.countDown();
798	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
799	>	ran.getAndIncrement();
800	>	}};
801	>	List<Future<?>> blockers = new ArrayList<>();
802	>	List<Future<?>> periodics = new ArrayList<>();
803	>	List<Future<?>> delayeds = new ArrayList<>();
804	>	for (int i = 0; i < poolSize; i++)
805	>	blockers.add(p.submit(task));
806	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
807	>
808	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
809	>	1, 1, MILLISECONDS));
810	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
811	>	1, 1, MILLISECONDS));
812	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
813	>
814	>	assertTrue(p.getQueue().containsAll(periodics));
815	>	assertTrue(p.getQueue().containsAll(delayeds));
816		try { p.shutdown(); } catch (SecurityException ok) { return; }
817		assertTrue(p.isShutdown());
818	<	BlockingQueue q = p.getQueue();
819	<	assertTrue(p.getQueue().isEmpty());
820	<	assertTrue(task.isDone());
821	<	assertTrue(task.isCancelled());
822	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
823	<	assertTrue(p.isTerminated());
824	<	}
825	<
826	<	/**
827	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
828	<	* periodic tasks are not cancelled at shutdown
829	<	*/
830	<	public void testShutDown4() throws InterruptedException {
831	<	CustomExecutor p = new CustomExecutor(1);
832	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
833	<	final CountDownLatch counter = new CountDownLatch(2);
834	<	try {
835	<	final Runnable r = new CheckedRunnable() {
836	<	public void realRun() {
837	<	counter.countDown();
838	<	}};
839	<	ScheduledFuture task =
775	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
776	<	assertFalse(task.isDone());
777	<	assertFalse(task.isCancelled());
778	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
779	<	assertFalse(task.isCancelled());
780	<	assertFalse(p.isTerminated());
781	<	assertTrue(p.isShutdown());
782	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
783	<	assertFalse(task.isCancelled());
784	<	assertTrue(task.cancel(false));
785	<	assertTrue(task.isDone());
786	<	assertTrue(task.isCancelled());
787	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
788	<	assertTrue(p.isTerminated());
818	>	assertFalse(p.isTerminated());
819	>	for (Future<?> periodic : periodics) {
820	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
821	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
822	>	}
823	>	for (Future<?> delayed : delayeds) {
824	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
825	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
826	>	}
827	>	if (testImplementationDetails) {
828	>	assertEquals(effectivePeriodicPolicy,
829	>	p.getQueue().containsAll(periodics));
830	>	assertEquals(effectiveDelayedPolicy,
831	>	p.getQueue().containsAll(delayeds));
832	>	}
833	>	// Release all pool threads
834	>	unblock.countDown();
835	>
836	>	for (Future<?> delayed : delayeds) {
837	>	if (effectiveDelayedPolicy) {
838	>	assertNull(delayed.get());
839	>	}
840		}
841	<	finally {
842	<	joinPool(p);
841	>	if (effectivePeriodicPolicy) {
842	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
843	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
844	>	for (Future<?> periodic : periodics) {
845	>	assertTrue(periodic.cancel(false));
846	>	assertTrue(periodic.isCancelled());
847	>	assertTrue(periodic.isDone());
848	>	}
849		}
850	<	}
850	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
851	>	assertTrue(p.isTerminated());
852	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
853	>	}}
854
855		/**
856		* completed submit of callable returns result
857		*/
858		public void testSubmitCallable() throws Exception {
859	<	ExecutorService e = new CustomExecutor(2);
860	<	try {
859	>	final ExecutorService e = new CustomExecutor(2);
860	>	try (PoolCleaner cleaner = cleaner(e)) {
861		Future<String> future = e.submit(new StringTask());
862		String result = future.get();
863		assertSame(TEST_STRING, result);
804	–	} finally {
805	–	joinPool(e);
864		}
865		}
866
#	Line 810 | Line 868 | public class ScheduledExecutorSubclassTe
868		* completed submit of runnable returns successfully
869		*/
870		public void testSubmitRunnable() throws Exception {
871	<	ExecutorService e = new CustomExecutor(2);
872	<	try {
871	>	final ExecutorService e = new CustomExecutor(2);
872	>	try (PoolCleaner cleaner = cleaner(e)) {
873		Future<?> future = e.submit(new NoOpRunnable());
874		future.get();
875		assertTrue(future.isDone());
818	–	} finally {
819	–	joinPool(e);
876		}
877		}
878
#	Line 824 | Line 880 | public class ScheduledExecutorSubclassTe
880		* completed submit of (runnable, result) returns result
881		*/
882		public void testSubmitRunnable2() throws Exception {
883	<	ExecutorService e = new CustomExecutor(2);
884	<	try {
883	>	final ExecutorService e = new CustomExecutor(2);
884	>	try (PoolCleaner cleaner = cleaner(e)) {
885		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
886		String result = future.get();
887		assertSame(TEST_STRING, result);
832	–	} finally {
833	–	joinPool(e);
888		}
889		}
890
#	Line 838 | Line 892 | public class ScheduledExecutorSubclassTe
892		* invokeAny(null) throws NPE
893		*/
894		public void testInvokeAny1() throws Exception {
895	<	ExecutorService e = new CustomExecutor(2);
896	<	try {
897	<	e.invokeAny(null);
898	<	shouldThrow();
899	<	} catch (NullPointerException success) {
900	<	} finally {
847	<	joinPool(e);
895	>	final ExecutorService e = new CustomExecutor(2);
896	>	try (PoolCleaner cleaner = cleaner(e)) {
897	>	try {
898	>	e.invokeAny(null);
899	>	shouldThrow();
900	>	} catch (NullPointerException success) {}
901		}
902		}
903
#	Line 852 | Line 905 | public class ScheduledExecutorSubclassTe
905		* invokeAny(empty collection) throws IAE
906		*/
907		public void testInvokeAny2() throws Exception {
908	<	ExecutorService e = new CustomExecutor(2);
909	<	try {
910	<	e.invokeAny(new ArrayList<Callable<String>>());
911	<	shouldThrow();
912	<	} catch (IllegalArgumentException success) {
913	<	} finally {
861	<	joinPool(e);
908	>	final ExecutorService e = new CustomExecutor(2);
909	>	try (PoolCleaner cleaner = cleaner(e)) {
910	>	try {
911	>	e.invokeAny(new ArrayList<Callable<String>>());
912	>	shouldThrow();
913	>	} catch (IllegalArgumentException success) {}
914		}
915		}
916
#	Line 866 | Line 918 | public class ScheduledExecutorSubclassTe
918		* invokeAny(c) throws NPE if c has null elements
919		*/
920		public void testInvokeAny3() throws Exception {
921	<	CountDownLatch latch = new CountDownLatch(1);
922	<	ExecutorService e = new CustomExecutor(2);
923	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
924	<	l.add(latchAwaitingStringTask(latch));
925	<	l.add(null);
926	<	try {
927	<	e.invokeAny(l);
928	<	shouldThrow();
929	<	} catch (NullPointerException success) {
930	<	} finally {
921	>	final CountDownLatch latch = new CountDownLatch(1);
922	>	final ExecutorService e = new CustomExecutor(2);
923	>	try (PoolCleaner cleaner = cleaner(e)) {
924	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
925	>	l.add(latchAwaitingStringTask(latch));
926	>	l.add(null);
927	>	try {
928	>	e.invokeAny(l);
929	>	shouldThrow();
930	>	} catch (NullPointerException success) {}
931		latch.countDown();
880	–	joinPool(e);
932		}
933		}
934
#	Line 885 | Line 936 | public class ScheduledExecutorSubclassTe
936		* invokeAny(c) throws ExecutionException if no task completes
937		*/
938		public void testInvokeAny4() throws Exception {
939	<	ExecutorService e = new CustomExecutor(2);
940	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
941	<	l.add(new NPETask());
942	<	try {
943	<	e.invokeAny(l);
944	<	shouldThrow();
945	<	} catch (ExecutionException success) {
946	<	assertTrue(success.getCause() instanceof NullPointerException);
947	<	} finally {
948	<	joinPool(e);
939	>	final ExecutorService e = new CustomExecutor(2);
940	>	try (PoolCleaner cleaner = cleaner(e)) {
941	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
942	>	l.add(new NPETask());
943	>	try {
944	>	e.invokeAny(l);
945	>	shouldThrow();
946	>	} catch (ExecutionException success) {
947	>	assertTrue(success.getCause() instanceof NullPointerException);
948	>	}
949		}
950		}
951
#	Line 902 | Line 953 | public class ScheduledExecutorSubclassTe
953		* invokeAny(c) returns result of some task
954		*/
955		public void testInvokeAny5() throws Exception {
956	<	ExecutorService e = new CustomExecutor(2);
957	<	try {
956	>	final ExecutorService e = new CustomExecutor(2);
957	>	try (PoolCleaner cleaner = cleaner(e)) {
958		List<Callable<String>> l = new ArrayList<Callable<String>>();
959		l.add(new StringTask());
960		l.add(new StringTask());
961		String result = e.invokeAny(l);
962		assertSame(TEST_STRING, result);
912	–	} finally {
913	–	joinPool(e);
963		}
964		}
965
#	Line 918 | Line 967 | public class ScheduledExecutorSubclassTe
967		* invokeAll(null) throws NPE
968		*/
969		public void testInvokeAll1() throws Exception {
970	<	ExecutorService e = new CustomExecutor(2);
971	<	try {
972	<	e.invokeAll(null);
973	<	shouldThrow();
974	<	} catch (NullPointerException success) {
975	<	} finally {
927	<	joinPool(e);
970	>	final ExecutorService e = new CustomExecutor(2);
971	>	try (PoolCleaner cleaner = cleaner(e)) {
972	>	try {
973	>	e.invokeAll(null);
974	>	shouldThrow();
975	>	} catch (NullPointerException success) {}
976		}
977		}
978
#	Line 932 | Line 980 | public class ScheduledExecutorSubclassTe
980		* invokeAll(empty collection) returns empty collection
981		*/
982		public void testInvokeAll2() throws Exception {
983	<	ExecutorService e = new CustomExecutor(2);
984	<	try {
983	>	final ExecutorService e = new CustomExecutor(2);
984	>	try (PoolCleaner cleaner = cleaner(e)) {
985		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
986		assertTrue(r.isEmpty());
939	–	} finally {
940	–	joinPool(e);
987		}
988		}
989
#	Line 945 | Line 991 | public class ScheduledExecutorSubclassTe
991		* invokeAll(c) throws NPE if c has null elements
992		*/
993		public void testInvokeAll3() throws Exception {
994	<	ExecutorService e = new CustomExecutor(2);
995	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
996	<	l.add(new StringTask());
997	<	l.add(null);
998	<	try {
999	<	e.invokeAll(l);
1000	<	shouldThrow();
1001	<	} catch (NullPointerException success) {
1002	<	} finally {
957	<	joinPool(e);
994	>	final ExecutorService e = new CustomExecutor(2);
995	>	try (PoolCleaner cleaner = cleaner(e)) {
996	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
997	>	l.add(new StringTask());
998	>	l.add(null);
999	>	try {
1000	>	e.invokeAll(l);
1001	>	shouldThrow();
1002	>	} catch (NullPointerException success) {}
1003		}
1004		}
1005
#	Line 962 | Line 1007 | public class ScheduledExecutorSubclassTe
1007		* get of invokeAll(c) throws exception on failed task
1008		*/
1009		public void testInvokeAll4() throws Exception {
1010	<	ExecutorService e = new CustomExecutor(2);
1011	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1012	<	l.add(new NPETask());
1013	<	List<Future<String>> futures = e.invokeAll(l);
1014	<	assertEquals(1, futures.size());
1015	<	try {
1016	<	futures.get(0).get();
1017	<	shouldThrow();
1018	<	} catch (ExecutionException success) {
1019	<	assertTrue(success.getCause() instanceof NullPointerException);
1020	<	} finally {
1021	<	joinPool(e);
1010	>	final ExecutorService e = new CustomExecutor(2);
1011	>	try (PoolCleaner cleaner = cleaner(e)) {
1012	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1013	>	l.add(new NPETask());
1014	>	List<Future<String>> futures = e.invokeAll(l);
1015	>	assertEquals(1, futures.size());
1016	>	try {
1017	>	futures.get(0).get();
1018	>	shouldThrow();
1019	>	} catch (ExecutionException success) {
1020	>	assertTrue(success.getCause() instanceof NullPointerException);
1021	>	}
1022		}
1023		}
1024
#	Line 981 | Line 1026 | public class ScheduledExecutorSubclassTe
1026		* invokeAll(c) returns results of all completed tasks
1027		*/
1028		public void testInvokeAll5() throws Exception {
1029	<	ExecutorService e = new CustomExecutor(2);
1030	<	try {
1029	>	final ExecutorService e = new CustomExecutor(2);
1030	>	try (PoolCleaner cleaner = cleaner(e)) {
1031		List<Callable<String>> l = new ArrayList<Callable<String>>();
1032		l.add(new StringTask());
1033		l.add(new StringTask());
#	Line 990 | Line 1035 | public class ScheduledExecutorSubclassTe
1035		assertEquals(2, futures.size());
1036		for (Future<String> future : futures)
1037		assertSame(TEST_STRING, future.get());
993	–	} finally {
994	–	joinPool(e);
1038		}
1039		}
1040
#	Line 999 | Line 1042 | public class ScheduledExecutorSubclassTe
1042		* timed invokeAny(null) throws NPE
1043		*/
1044		public void testTimedInvokeAny1() throws Exception {
1045	<	ExecutorService e = new CustomExecutor(2);
1046	<	try {
1047	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1048	<	shouldThrow();
1049	<	} catch (NullPointerException success) {
1050	<	} finally {
1008	<	joinPool(e);
1045	>	final ExecutorService e = new CustomExecutor(2);
1046	>	try (PoolCleaner cleaner = cleaner(e)) {
1047	>	try {
1048	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1049	>	shouldThrow();
1050	>	} catch (NullPointerException success) {}
1051		}
1052		}
1053
#	Line 1013 | Line 1055 | public class ScheduledExecutorSubclassTe
1055		* timed invokeAny(,,null) throws NPE
1056		*/
1057		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1058	<	ExecutorService e = new CustomExecutor(2);
1059	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1060	<	l.add(new StringTask());
1061	<	try {
1062	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1063	<	shouldThrow();
1064	<	} catch (NullPointerException success) {
1065	<	} finally {
1024	<	joinPool(e);
1058	>	final ExecutorService e = new CustomExecutor(2);
1059	>	try (PoolCleaner cleaner = cleaner(e)) {
1060	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1061	>	l.add(new StringTask());
1062	>	try {
1063	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1064	>	shouldThrow();
1065	>	} catch (NullPointerException success) {}
1066		}
1067		}
1068
#	Line 1029 | Line 1070 | public class ScheduledExecutorSubclassTe
1070		* timed invokeAny(empty collection) throws IAE
1071		*/
1072		public void testTimedInvokeAny2() throws Exception {
1073	<	ExecutorService e = new CustomExecutor(2);
1074	<	try {
1075	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1076	<	shouldThrow();
1077	<	} catch (IllegalArgumentException success) {
1078	<	} finally {
1038	<	joinPool(e);
1073	>	final ExecutorService e = new CustomExecutor(2);
1074	>	try (PoolCleaner cleaner = cleaner(e)) {
1075	>	try {
1076	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1077	>	shouldThrow();
1078	>	} catch (IllegalArgumentException success) {}
1079		}
1080		}
1081
#	Line 1044 | Line 1084 | public class ScheduledExecutorSubclassTe
1084		*/
1085		public void testTimedInvokeAny3() throws Exception {
1086		CountDownLatch latch = new CountDownLatch(1);
1087	<	ExecutorService e = new CustomExecutor(2);
1088	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1089	<	l.add(latchAwaitingStringTask(latch));
1090	<	l.add(null);
1091	<	try {
1092	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1093	<	shouldThrow();
1094	<	} catch (NullPointerException success) {
1095	<	} finally {
1087	>	final ExecutorService e = new CustomExecutor(2);
1088	>	try (PoolCleaner cleaner = cleaner(e)) {
1089	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1090	>	l.add(latchAwaitingStringTask(latch));
1091	>	l.add(null);
1092	>	try {
1093	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1094	>	shouldThrow();
1095	>	} catch (NullPointerException success) {}
1096		latch.countDown();
1057	–	joinPool(e);
1097		}
1098		}
1099
#	Line 1062 | Line 1101 | public class ScheduledExecutorSubclassTe
1101		* timed invokeAny(c) throws ExecutionException if no task completes
1102		*/
1103		public void testTimedInvokeAny4() throws Exception {
1104	<	ExecutorService e = new CustomExecutor(2);
1105	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1106	<	l.add(new NPETask());
1107	<	try {
1108	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1109	<	shouldThrow();
1110	<	} catch (ExecutionException success) {
1111	<	assertTrue(success.getCause() instanceof NullPointerException);
1112	<	} finally {
1113	<	joinPool(e);
1104	>	final ExecutorService e = new CustomExecutor(2);
1105	>	try (PoolCleaner cleaner = cleaner(e)) {
1106	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1107	>	l.add(new NPETask());
1108	>	try {
1109	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1110	>	shouldThrow();
1111	>	} catch (ExecutionException success) {
1112	>	assertTrue(success.getCause() instanceof NullPointerException);
1113	>	}
1114		}
1115		}
1116
#	Line 1079 | Line 1118 | public class ScheduledExecutorSubclassTe
1118		* timed invokeAny(c) returns result of some task
1119		*/
1120		public void testTimedInvokeAny5() throws Exception {
1121	<	ExecutorService e = new CustomExecutor(2);
1122	<	try {
1121	>	final ExecutorService e = new CustomExecutor(2);
1122	>	try (PoolCleaner cleaner = cleaner(e)) {
1123		List<Callable<String>> l = new ArrayList<Callable<String>>();
1124		l.add(new StringTask());
1125		l.add(new StringTask());
1126		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1127		assertSame(TEST_STRING, result);
1089	–	} finally {
1090	–	joinPool(e);
1128		}
1129		}
1130
#	Line 1095 | Line 1132 | public class ScheduledExecutorSubclassTe
1132		* timed invokeAll(null) throws NPE
1133		*/
1134		public void testTimedInvokeAll1() throws Exception {
1135	<	ExecutorService e = new CustomExecutor(2);
1136	<	try {
1137	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1138	<	shouldThrow();
1139	<	} catch (NullPointerException success) {
1140	<	} finally {
1104	<	joinPool(e);
1135	>	final ExecutorService e = new CustomExecutor(2);
1136	>	try (PoolCleaner cleaner = cleaner(e)) {
1137	>	try {
1138	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1139	>	shouldThrow();
1140	>	} catch (NullPointerException success) {}
1141		}
1142		}
1143
#	Line 1109 | Line 1145 | public class ScheduledExecutorSubclassTe
1145		* timed invokeAll(,,null) throws NPE
1146		*/
1147		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1148	<	ExecutorService e = new CustomExecutor(2);
1149	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1150	<	l.add(new StringTask());
1151	<	try {
1152	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1153	<	shouldThrow();
1154	<	} catch (NullPointerException success) {
1155	<	} finally {
1120	<	joinPool(e);
1148	>	final ExecutorService e = new CustomExecutor(2);
1149	>	try (PoolCleaner cleaner = cleaner(e)) {
1150	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1151	>	l.add(new StringTask());
1152	>	try {
1153	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1154	>	shouldThrow();
1155	>	} catch (NullPointerException success) {}
1156		}
1157		}
1158
#	Line 1125 | Line 1160 | public class ScheduledExecutorSubclassTe
1160		* timed invokeAll(empty collection) returns empty collection
1161		*/
1162		public void testTimedInvokeAll2() throws Exception {
1163	<	ExecutorService e = new CustomExecutor(2);
1164	<	try {
1163	>	final ExecutorService e = new CustomExecutor(2);
1164	>	try (PoolCleaner cleaner = cleaner(e)) {
1165		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1166		assertTrue(r.isEmpty());
1132	–	} finally {
1133	–	joinPool(e);
1167		}
1168		}
1169
#	Line 1138 | Line 1171 | public class ScheduledExecutorSubclassTe
1171		* timed invokeAll(c) throws NPE if c has null elements
1172		*/
1173		public void testTimedInvokeAll3() throws Exception {
1174	<	ExecutorService e = new CustomExecutor(2);
1175	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1176	<	l.add(new StringTask());
1177	<	l.add(null);
1178	<	try {
1179	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1180	<	shouldThrow();
1181	<	} catch (NullPointerException success) {
1182	<	} finally {
1150	<	joinPool(e);
1174	>	final ExecutorService e = new CustomExecutor(2);
1175	>	try (PoolCleaner cleaner = cleaner(e)) {
1176	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1177	>	l.add(new StringTask());
1178	>	l.add(null);
1179	>	try {
1180	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1181	>	shouldThrow();
1182	>	} catch (NullPointerException success) {}
1183		}
1184		}
1185
#	Line 1155 | Line 1187 | public class ScheduledExecutorSubclassTe
1187		* get of element of invokeAll(c) throws exception on failed task
1188		*/
1189		public void testTimedInvokeAll4() throws Exception {
1190	<	ExecutorService e = new CustomExecutor(2);
1191	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1192	<	l.add(new NPETask());
1193	<	List<Future<String>> futures =
1194	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1195	<	assertEquals(1, futures.size());
1196	<	try {
1197	<	futures.get(0).get();
1198	<	shouldThrow();
1199	<	} catch (ExecutionException success) {
1200	<	assertTrue(success.getCause() instanceof NullPointerException);
1201	<	} finally {
1202	<	joinPool(e);
1190	>	final ExecutorService e = new CustomExecutor(2);
1191	>	try (PoolCleaner cleaner = cleaner(e)) {
1192	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1193	>	l.add(new NPETask());
1194	>	List<Future<String>> futures =
1195	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1196	>	assertEquals(1, futures.size());
1197	>	try {
1198	>	futures.get(0).get();
1199	>	shouldThrow();
1200	>	} catch (ExecutionException success) {
1201	>	assertTrue(success.getCause() instanceof NullPointerException);
1202	>	}
1203		}
1204		}
1205
#	Line 1175 | Line 1207 | public class ScheduledExecutorSubclassTe
1207		* timed invokeAll(c) returns results of all completed tasks
1208		*/
1209		public void testTimedInvokeAll5() throws Exception {
1210	<	ExecutorService e = new CustomExecutor(2);
1211	<	try {
1210	>	final ExecutorService e = new CustomExecutor(2);
1211	>	try (PoolCleaner cleaner = cleaner(e)) {
1212		List<Callable<String>> l = new ArrayList<Callable<String>>();
1213		l.add(new StringTask());
1214		l.add(new StringTask());
1215		List<Future<String>> futures =
1216	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1216	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1217		assertEquals(2, futures.size());
1218		for (Future<String> future : futures)
1219		assertSame(TEST_STRING, future.get());
1188	–	} finally {
1189	–	joinPool(e);
1220		}
1221		}
1222
#	Line 1194 | Line 1224 | public class ScheduledExecutorSubclassTe
1224		* timed invokeAll(c) cancels tasks not completed by timeout
1225		*/
1226		public void testTimedInvokeAll6() throws Exception {
1227	<	ExecutorService e = new CustomExecutor(2);
1228	<	try {
1229	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1230	<	l.add(new StringTask());
1231	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1232	<	l.add(new StringTask());
1233	<	List<Future<String>> futures =
1234	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1235	<	assertEquals(3, futures.size());
1236	<	Iterator<Future<String>> it = futures.iterator();
1237	<	Future<String> f1 = it.next();
1238	<	Future<String> f2 = it.next();
1239	<	Future<String> f3 = it.next();
1240	<	assertTrue(f1.isDone());
1241	<	assertTrue(f2.isDone());
1242	<	assertTrue(f3.isDone());
1243	<	assertFalse(f1.isCancelled());
1244	<	assertTrue(f2.isCancelled());
1245	<	} finally {
1246	<	joinPool(e);
1227	>	final ExecutorService e = new CustomExecutor(2);
1228	>	try (PoolCleaner cleaner = cleaner(e)) {
1229	>	for (long timeout = timeoutMillis();;) {
1230	>	List<Callable<String>> tasks = new ArrayList<>();
1231	>	tasks.add(new StringTask("0"));
1232	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1233	>	tasks.add(new StringTask("2"));
1234	>	long startTime = System.nanoTime();
1235	>	List<Future<String>> futures =
1236	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1237	>	assertEquals(tasks.size(), futures.size());
1238	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1239	>	for (Future future : futures)
1240	>	assertTrue(future.isDone());
1241	>	assertTrue(futures.get(1).isCancelled());
1242	>	try {
1243	>	assertEquals("0", futures.get(0).get());
1244	>	assertEquals("2", futures.get(2).get());
1245	>	break;
1246	>	} catch (CancellationException retryWithLongerTimeout) {
1247	>	timeout *= 2;
1248	>	if (timeout >= LONG_DELAY_MS / 2)
1249	>	fail("expected exactly one task to be cancelled");
1250	>	}
1251	>	}
1252		}
1253		}
1254

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