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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.9 by jsr166, Tue Dec 1 06:47:14 2009 UTC vs.
Revision 1.59 by jsr166, Sun Oct 25 02:58:25 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	–
77	–
98		/**
99		* execute successfully executes a runnable
100		*/
101		public void testExecute() throws InterruptedException {
102	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
103	<	CustomExecutor p1 = new CustomExecutor(1);
104	<	p1.execute(runnable);
105	<	assertFalse(runnable.done);
106	<	Thread.sleep(SHORT_DELAY_MS);
107	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
108	<	Thread.sleep(MEDIUM_DELAY_MS);
109	<	assertTrue(runnable.done);
90	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
91	<	joinPool(p1);
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	>	}
110		}
111
94	–
112		/**
113		* delayed schedule of callable successfully executes after delay
114		*/
115		public void testSchedule1() throws Exception {
116	<	TrackedCallable callable = new TrackedCallable();
117	<	CustomExecutor p1 = new CustomExecutor(1);
118	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
119	<	assertFalse(callable.done);
120	<	Thread.sleep(MEDIUM_DELAY_MS);
121	<	assertTrue(callable.done);
122	<	assertEquals(Boolean.TRUE, f.get());
123	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
124	<	joinPool(p1);
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() throws InterruptedException {
136	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
137	<	CustomExecutor p1 = new CustomExecutor(1);
138	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
139	<	Thread.sleep(SHORT_DELAY_MS);
140	<	assertFalse(runnable.done);
141	<	Thread.sleep(MEDIUM_DELAY_MS);
142	<	assertTrue(runnable.done);
143	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
144	<	joinPool(p1);
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() throws InterruptedException {
156	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
157	<	CustomExecutor p1 = new CustomExecutor(1);
158	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
159	<	assertFalse(runnable.done);
160	<	Thread.sleep(MEDIUM_DELAY_MS);
161	<	assertTrue(runnable.done);
162	<	h.cancel(true);
163	<	joinPool(p1);
164	<	}
165	<
166	<	static class RunnableCounter implements Runnable {
167	<	AtomicInteger count = new AtomicInteger(0);
168	<	public void run() { count.getAndIncrement(); }
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
174		/**
175		* scheduleWithFixedDelay executes runnable after given initial delay
176		*/
177		public void testSchedule5() throws InterruptedException {
178	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
179	<	CustomExecutor p1 = new CustomExecutor(1);
180	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
181	<	assertFalse(runnable.done);
182	<	Thread.sleep(MEDIUM_DELAY_MS);
183	<	assertTrue(runnable.done);
184	<	h.cancel(true);
185	<	joinPool(p1);
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() throws InterruptedException {
205	<	CustomExecutor p1 = new CustomExecutor(1);
206	<	RunnableCounter counter = new RunnableCounter();
207	<	ScheduledFuture h =
208	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
209	<	Thread.sleep(SMALL_DELAY_MS);
210	<	h.cancel(true);
211	<	int c = counter.count.get();
212	<	// By time scaling conventions, we must have at least
213	<	// an execution per SHORT delay, but no more than one SHORT more
214	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
215	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
216	<	joinPool(p1);
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	>	fail("unexpected execution rate");
224	>	}
225		}
226
227		/**
228		* scheduleWithFixedDelay executes series of tasks with given period
229		*/
230		public void testFixedDelaySequence() throws InterruptedException {
231	<	CustomExecutor p1 = new CustomExecutor(1);
232	<	RunnableCounter counter = new RunnableCounter();
233	<	ScheduledFuture h =
234	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
235	<	Thread.sleep(SMALL_DELAY_MS);
236	<	h.cancel(true);
237	<	int c = counter.count.get();
238	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
239	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
240	<	joinPool(p1);
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	>	fail("unexpected execution rate");
250	>	}
251		}
252
192	–
253		/**
254	<	*  execute (null) throws NPE
254	>	* execute(null) throws NPE
255		*/
256		public void testExecuteNull() throws InterruptedException {
257	<	CustomExecutor se = new CustomExecutor(1);
258	<	try {
259	<	se.execute(null);
260	<	shouldThrow();
261	<	} catch (NullPointerException success) {}
262	<	joinPool(se);
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	>	}
264		}
265
266		/**
267	<	* schedule (null) throws NPE
267	>	* schedule(null) throws NPE
268		*/
269		public void testScheduleNull() throws InterruptedException {
270	<	CustomExecutor se = new CustomExecutor(1);
271	<	try {
272	<	TrackedCallable callable = null;
273	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
274	<	shouldThrow();
275	<	} catch (NullPointerException success) {}
276	<	joinPool(se);
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	>	}
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, 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		}
231	–
232	–	joinPool(se);
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, 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		}
248	–	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, MILLISECONDS);
321	<	shouldThrow();
322	<	} catch (RejectedExecutionException success) {
323	<	} catch (SecurityException ok) {
324	<	}
325	<	joinPool(se);
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	>	}
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, 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		}
280	–	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, 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		}
296	–	joinPool(se);
358		}
359
360		/**
361	<	*  getActiveCount increases but doesn't overestimate, when a
362	<	*  thread becomes active
361	>	* getActiveCount increases but doesn't overestimate, when a
362	>	* thread becomes active
363		*/
364		public void testGetActiveCount() throws InterruptedException {
365	<	CustomExecutor p2 = new CustomExecutor(2);
366	<	assertEquals(0, p2.getActiveCount());
367	<	p2.execute(new SmallRunnable());
368	<	Thread.sleep(SHORT_DELAY_MS);
369	<	assertEquals(1, p2.getActiveCount());
370	<	joinPool(p2);
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	>	}
379		}
380
381		/**
382	<	*    getCompletedTaskCount increases, but doesn't overestimate,
383	<	*   when tasks complete
382	>	* getCompletedTaskCount increases, but doesn't overestimate,
383	>	* when tasks complete
384		*/
385		public void testGetCompletedTaskCount() throws InterruptedException {
386	<	CustomExecutor p2 = new CustomExecutor(2);
387	<	assertEquals(0, p2.getCompletedTaskCount());
388	<	p2.execute(new SmallRunnable());
389	<	Thread.sleep(MEDIUM_DELAY_MS);
390	<	assertEquals(1, p2.getCompletedTaskCount());
391	<	joinPool(p2);
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	>	}
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);
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
423	>	* getLargestPoolSize increases, but doesn't overestimate, when
424	>	* multiple threads active
425		*/
426		public void testGetLargestPoolSize() throws InterruptedException {
427	<	CustomExecutor p2 = new CustomExecutor(2);
428	<	assertEquals(0, p2.getLargestPoolSize());
429	<	p2.execute(new SmallRunnable());
430	<	p2.execute(new SmallRunnable());
431	<	Thread.sleep(SHORT_DELAY_MS);
432	<	assertEquals(2, p2.getLargestPoolSize());
433	<	joinPool(p2);
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() {
451	<	CustomExecutor p1 = new CustomExecutor(1);
452	<	assertEquals(0, p1.getPoolSize());
453	<	p1.execute(new SmallRunnable());
454	<	assertEquals(1, p1.getPoolSize());
455	<	joinPool(p1);
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
468	>	* getTaskCount increases, but doesn't overestimate, when tasks
469	>	* submitted
470		*/
471		public void testGetTaskCount() throws InterruptedException {
472	<	CustomExecutor p1 = new CustomExecutor(1);
473	<	assertEquals(0, p1.getTaskCount());
474	<	for (int i = 0; i < 5; i++)
475	<	p1.execute(new SmallRunnable());
476	<	Thread.sleep(SHORT_DELAY_MS);
477	<	assertEquals(5, p1.getTaskCount());
478	<	joinPool(p1);
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(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 {
405	<	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	<	CustomExecutor p1 = new CustomExecutor(1);
544	<	try {
545	<	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		}
417	–	finally {
418	–	try { p1.shutdown(); } catch (SecurityException ok) { return; }
419	–	}
420	–	assertTrue(p1.isShutdown());
549		}
550
423	–
551		/**
552	<	*  isTerminated is false before termination, true after
552	>	* isTerminated is false before termination, true after
553		*/
554		public void testIsTerminated() throws InterruptedException {
555	<	CustomExecutor p1 = new CustomExecutor(1);
556	<	try {
557	<	p1.execute(new SmallRunnable());
558	<	} finally {
559	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
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		}
434	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
435	–	assertTrue(p1.isTerminated());
573		}
574
575		/**
576	<	*  isTerminating is not true when running or when terminated
576	>	* isTerminating is not true when running or when terminated
577		*/
578		public void testIsTerminating() throws InterruptedException {
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	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
588	<	assertTrue(p1.isTerminated());
589	<	assertFalse(p1.isTerminating());
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() throws InterruptedException {
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, MILLISECONDS);
608	<	}
609	<	try {
610	<	Thread.sleep(SHORT_DELAY_MS);
611	<	BlockingQueue<Runnable> q = p1.getQueue();
612	<	assertTrue(q.contains(tasks[4]));
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]));
469	–	} finally {
470	–	joinPool(p1);
621		}
622		}
623
#	Line 475 | Line 625 | public class ScheduledExecutorSubclassTe
625		* remove(task) removes queued task, and fails to remove active task
626		*/
627		public void testRemove() throws InterruptedException {
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, MILLISECONDS);
632	<	}
633	<	try {
634	<	Thread.sleep(SHORT_DELAY_MS);
635	<	BlockingQueue<Runnable> q = p1.getQueue();
636	<	assertFalse(p1.remove((Runnable)tasks[0]));
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]));
495	–	} finally {
496	–	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() throws InterruptedException {
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, MILLISECONDS);
663	<	}
664	<	try {
665	<	int max = 5;
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	<	}
523	<	assertTrue(k < SMALL_DELAY_MS);
524	<	} finally {
525	<	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, 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;
710	>	return; // Allowed in case test doesn't have privs
711		}
712	<	assertTrue(p1.isShutdown());
713	<	assertTrue(l.size() > 0 && l.size() <= 5);
714	<	joinPool(p1);
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
721		/**
722	<	* In default setting, shutdown cancels periodic but not delayed
723	<	* tasks at shutdown
724	<	*/
725	<	public void testShutDown1() throws InterruptedException {
726	<	CustomExecutor p1 = new CustomExecutor(1);
727	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
728	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
729	<
730	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
731	<	for (int i = 0; i < 5; i++)
732	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
733	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
734	<	BlockingQueue q = p1.getQueue();
735	<	for (Iterator it = q.iterator(); it.hasNext();) {
736	<	ScheduledFuture t = (ScheduledFuture)it.next();
737	<	assertFalse(t.isCancelled());
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	>	queuedTasks = p.shutdownNow();
739	>	} catch (SecurityException ok) {
740	>	return; // Allowed in case test doesn't have privs
741		}
742	<	assertTrue(p1.isShutdown());
743	<	Thread.sleep(SMALL_DELAY_MS);
744	<	for (int i = 0; i < 5; ++i) {
745	<	assertTrue(tasks[i].isDone());
746	<	assertFalse(tasks[i].isCancelled());
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	<	}
753	<
573	<
574	<	/**
575	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
576	<	* delayed tasks are cancelled at shutdown
577	<	*/
578	<	public void testShutDown2() throws InterruptedException {
579	<	CustomExecutor p1 = new CustomExecutor(1);
580	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
581	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
582	<	for (int i = 0; i < 5; i++)
583	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
584	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
585	<	assertTrue(p1.isShutdown());
586	<	BlockingQueue q = p1.getQueue();
587	<	assertTrue(q.isEmpty());
588	<	Thread.sleep(SMALL_DELAY_MS);
589	<	assertTrue(p1.isTerminated());
590	<	}
591	<
592	<
593	<	/**
594	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
595	<	* periodic tasks are not cancelled at shutdown
596	<	*/
597	<	public void testShutDown3() throws InterruptedException {
598	<	CustomExecutor p1 = new CustomExecutor(1);
599	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
600	<	ScheduledFuture task =
601	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
602	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
603	<	assertTrue(p1.isShutdown());
604	<	BlockingQueue q = p1.getQueue();
605	<	assertTrue(q.isEmpty());
606	<	Thread.sleep(SHORT_DELAY_MS);
607	<	assertTrue(p1.isTerminated());
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() throws InterruptedException {
761	<	CustomExecutor p1 = new CustomExecutor(1);
762	<	try {
763	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
764	<	ScheduledFuture task =
765	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, 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());
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() throws Exception {
853	<	ExecutorService e = new CustomExecutor(2);
854	<	try {
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);
646	–	} finally {
647	–	joinPool(e);
858		}
859		}
860
#	Line 652 | Line 862 | public class ScheduledExecutorSubclassTe
862		* completed submit of runnable returns successfully
863		*/
864		public void testSubmitRunnable() throws Exception {
865	<	ExecutorService e = new CustomExecutor(2);
866	<	try {
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());
660	–	} finally {
661	–	joinPool(e);
870		}
871		}
872
#	Line 666 | Line 874 | public class ScheduledExecutorSubclassTe
874		* completed submit of (runnable, result) returns result
875		*/
876		public void testSubmitRunnable2() throws Exception {
877	<	ExecutorService e = new CustomExecutor(2);
878	<	try {
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);
674	–	} finally {
675	–	joinPool(e);
882		}
883		}
884
#	Line 680 | Line 886 | public class ScheduledExecutorSubclassTe
886		* invokeAny(null) throws NPE
887		*/
888		public void testInvokeAny1() throws Exception {
889	<	ExecutorService e = new CustomExecutor(2);
890	<	try {
891	<	e.invokeAny(null);
892	<	shouldThrow();
893	<	} catch (NullPointerException success) {
894	<	} finally {
689	<	joinPool(e);
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
#	Line 694 | Line 899 | public class ScheduledExecutorSubclassTe
899		* invokeAny(empty collection) throws IAE
900		*/
901		public void testInvokeAny2() throws Exception {
902	<	ExecutorService e = new CustomExecutor(2);
903	<	try {
904	<	e.invokeAny(new ArrayList<Callable<String>>());
905	<	shouldThrow();
906	<	} catch (IllegalArgumentException success) {
907	<	} finally {
703	<	joinPool(e);
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
#	Line 709 | Line 913 | public class ScheduledExecutorSubclassTe
913		*/
914		public void testInvokeAny3() throws Exception {
915		final CountDownLatch latch = new CountDownLatch(1);
916	<	ExecutorService e = new CustomExecutor(2);
917	<	try {
918	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
919	<	l.add(new Callable<String>() {
716	<	public String call() {
717	<	try {
718	<	latch.await();
719	<	} catch (InterruptedException quittingTime) {}
720	<	return TEST_STRING;
721	<	}});
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	<	shouldThrow();
923	<	} catch (NullPointerException success) {
924	<	} finally {
921	>	try {
922	>	e.invokeAny(l);
923	>	shouldThrow();
924	>	} catch (NullPointerException success) {}
925		latch.countDown();
728	–	joinPool(e);
926		}
927		}
928
#	Line 733 | Line 930 | public class ScheduledExecutorSubclassTe
930		* invokeAny(c) throws ExecutionException if no task completes
931		*/
932		public void testInvokeAny4() throws Exception {
933	<	ExecutorService e = new CustomExecutor(2);
934	<	try {
935	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	shouldThrow();
939	<	} catch (ExecutionException success) {
940	<	assertTrue(success.getCause() instanceof NullPointerException);
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
#	Line 750 | Line 947 | public class ScheduledExecutorSubclassTe
947		* invokeAny(c) returns result of some task
948		*/
949		public void testInvokeAny5() throws Exception {
950	<	ExecutorService e = new CustomExecutor(2);
951	<	try {
952	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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);
760	–	} finally {
761	–	joinPool(e);
957		}
958		}
959
#	Line 766 | Line 961 | public class ScheduledExecutorSubclassTe
961		* invokeAll(null) throws NPE
962		*/
963		public void testInvokeAll1() throws Exception {
964	<	ExecutorService e = new CustomExecutor(2);
965	<	try {
966	<	e.invokeAll(null);
967	<	shouldThrow();
968	<	} catch (NullPointerException success) {
969	<	} finally {
775	<	joinPool(e);
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
#	Line 780 | Line 974 | public class ScheduledExecutorSubclassTe
974		* invokeAll(empty collection) returns empty collection
975		*/
976		public void testInvokeAll2() throws Exception {
977	<	ExecutorService e = new CustomExecutor(2);
978	<	try {
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());
787	–	} finally {
788	–	joinPool(e);
981		}
982		}
983
#	Line 793 | Line 985 | public class ScheduledExecutorSubclassTe
985		* invokeAll(c) throws NPE if c has null elements
986		*/
987		public void testInvokeAll3() throws Exception {
988	<	ExecutorService e = new CustomExecutor(2);
989	<	try {
990	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	shouldThrow();
995	<	} catch (NullPointerException success) {
996	<	} finally {
805	<	joinPool(e);
993	>	try {
994	>	e.invokeAll(l);
995	>	shouldThrow();
996	>	} catch (NullPointerException success) {}
997		}
998		}
999
#	Line 810 | Line 1001 | public class ScheduledExecutorSubclassTe
1001		* get of invokeAll(c) throws exception on failed task
1002		*/
1003		public void testInvokeAll4() throws Exception {
1004	<	ExecutorService e = new CustomExecutor(2);
1005	<	try {
1006	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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 (Future<String> future : result)
1011	<	future.get();
1012	<	shouldThrow();
1013	<	} catch (ExecutionException success) {
1014	<	assertTrue(success.getCause() instanceof NullPointerException);
1015	<	} finally {
825	<	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
#	Line 830 | Line 1020 | public class ScheduledExecutorSubclassTe
1020		* invokeAll(c) returns results of all completed tasks
1021		*/
1022		public void testInvokeAll5() throws Exception {
1023	<	ExecutorService e = new CustomExecutor(2);
1024	<	try {
1025	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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 (Future<String> future : result)
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());
842	–	} finally {
843	–	joinPool(e);
1032		}
1033		}
1034
#	Line 848 | Line 1036 | public class ScheduledExecutorSubclassTe
1036		* timed invokeAny(null) throws NPE
1037		*/
1038		public void testTimedInvokeAny1() throws Exception {
1039	<	ExecutorService e = new CustomExecutor(2);
1040	<	try {
1041	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1042	<	shouldThrow();
1043	<	} catch (NullPointerException success) {
1044	<	} finally {
857	<	joinPool(e);
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
#	Line 862 | Line 1049 | public class ScheduledExecutorSubclassTe
1049		* timed invokeAny(,,null) throws NPE
1050		*/
1051		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1052	<	ExecutorService e = new CustomExecutor(2);
1053	<	try {
1054	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	shouldThrow();
1058	<	} catch (NullPointerException success) {
1059	<	} finally {
873	<	joinPool(e);
1056	>	try {
1057	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1058	>	shouldThrow();
1059	>	} catch (NullPointerException success) {}
1060		}
1061		}
1062
#	Line 878 | Line 1064 | public class ScheduledExecutorSubclassTe
1064		* timed invokeAny(empty collection) throws IAE
1065		*/
1066		public void testTimedInvokeAny2() throws Exception {
1067	<	ExecutorService e = new CustomExecutor(2);
1068	<	try {
1069	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1070	<	shouldThrow();
1071	<	} catch (IllegalArgumentException success) {
1072	<	} finally {
887	<	joinPool(e);
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
#	Line 892 | Line 1077 | public class ScheduledExecutorSubclassTe
1077		* timed invokeAny(c) throws NPE if c has null elements
1078		*/
1079		public void testTimedInvokeAny3() throws Exception {
1080	<	final CountDownLatch latch = new CountDownLatch(1);
1081	<	ExecutorService e = new CustomExecutor(2);
1082	<	try {
1083	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084	<	l.add(new Callable<String>() {
900	<	public String call() {
901	<	try {
902	<	latch.await();
903	<	} catch (InterruptedException quittingTime) {}
904	<	return TEST_STRING;
905	<	}});
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, MILLISECONDS);
1087	<	shouldThrow();
1088	<	} catch (NullPointerException success) {
1089	<	} finally {
1086	>	try {
1087	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1088	>	shouldThrow();
1089	>	} catch (NullPointerException success) {}
1090		latch.countDown();
912	–	joinPool(e);
1091		}
1092		}
1093
#	Line 917 | Line 1095 | public class ScheduledExecutorSubclassTe
1095		* timed invokeAny(c) throws ExecutionException if no task completes
1096		*/
1097		public void testTimedInvokeAny4() throws Exception {
1098	<	ExecutorService e = new CustomExecutor(2);
1099	<	try {
1100	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1098	>	final ExecutorService e = new CustomExecutor(2);
1099	>	try (PoolCleaner cleaner = cleaner(e)) {
1100	>	long startTime = System.nanoTime();
1101	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1102		l.add(new NPETask());
1103	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1104	<	shouldThrow();
1105	<	} catch (ExecutionException success) {
1106	<	assertTrue(success.getCause() instanceof NullPointerException);
1107	<	} finally {
1108	<	joinPool(e);
1103	>	try {
1104	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1105	>	shouldThrow();
1106	>	} catch (ExecutionException success) {
1107	>	assertTrue(success.getCause() instanceof NullPointerException);
1108	>	}
1109	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1110		}
1111		}
1112
#	Line 934 | Line 1114 | public class ScheduledExecutorSubclassTe
1114		* timed invokeAny(c) returns result of some task
1115		*/
1116		public void testTimedInvokeAny5() throws Exception {
1117	<	ExecutorService e = new CustomExecutor(2);
1118	<	try {
1119	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1117	>	final ExecutorService e = new CustomExecutor(2);
1118	>	try (PoolCleaner cleaner = cleaner(e)) {
1119	>	long startTime = System.nanoTime();
1120	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1121		l.add(new StringTask());
1122		l.add(new StringTask());
1123	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1123	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1124		assertSame(TEST_STRING, result);
1125	<	} finally {
945	<	joinPool(e);
1125	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1126		}
1127		}
1128
#	Line 950 | Line 1130 | public class ScheduledExecutorSubclassTe
1130		* timed invokeAll(null) throws NPE
1131		*/
1132		public void testTimedInvokeAll1() throws Exception {
1133	<	ExecutorService e = new CustomExecutor(2);
1134	<	try {
1135	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1136	<	shouldThrow();
1137	<	} catch (NullPointerException success) {
1138	<	} finally {
959	<	joinPool(e);
1133	>	final ExecutorService e = new CustomExecutor(2);
1134	>	try (PoolCleaner cleaner = cleaner(e)) {
1135	>	try {
1136	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1137	>	shouldThrow();
1138	>	} catch (NullPointerException success) {}
1139		}
1140		}
1141
#	Line 964 | Line 1143 | public class ScheduledExecutorSubclassTe
1143		* timed invokeAll(,,null) throws NPE
1144		*/
1145		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1146	<	ExecutorService e = new CustomExecutor(2);
1147	<	try {
1148	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1146	>	final ExecutorService e = new CustomExecutor(2);
1147	>	try (PoolCleaner cleaner = cleaner(e)) {
1148	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1149		l.add(new StringTask());
1150	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1151	<	shouldThrow();
1152	<	} catch (NullPointerException success) {
1153	<	} finally {
975	<	joinPool(e);
1150	>	try {
1151	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1152	>	shouldThrow();
1153	>	} catch (NullPointerException success) {}
1154		}
1155		}
1156
#	Line 980 | Line 1158 | public class ScheduledExecutorSubclassTe
1158		* timed invokeAll(empty collection) returns empty collection
1159		*/
1160		public void testTimedInvokeAll2() throws Exception {
1161	<	ExecutorService e = new CustomExecutor(2);
1162	<	try {
1161	>	final ExecutorService e = new CustomExecutor(2);
1162	>	try (PoolCleaner cleaner = cleaner(e)) {
1163		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1164		assertTrue(r.isEmpty());
987	–	} finally {
988	–	joinPool(e);
1165		}
1166		}
1167
#	Line 993 | Line 1169 | public class ScheduledExecutorSubclassTe
1169		* timed invokeAll(c) throws NPE if c has null elements
1170		*/
1171		public void testTimedInvokeAll3() throws Exception {
1172	<	ExecutorService e = new CustomExecutor(2);
1173	<	try {
1174	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1172	>	final ExecutorService e = new CustomExecutor(2);
1173	>	try (PoolCleaner cleaner = cleaner(e)) {
1174	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1175		l.add(new StringTask());
1176		l.add(null);
1177	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1178	<	shouldThrow();
1179	<	} catch (NullPointerException success) {
1180	<	} finally {
1005	<	joinPool(e);
1177	>	try {
1178	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1179	>	shouldThrow();
1180	>	} catch (NullPointerException success) {}
1181		}
1182		}
1183
#	Line 1010 | Line 1185 | public class ScheduledExecutorSubclassTe
1185		* get of element of invokeAll(c) throws exception on failed task
1186		*/
1187		public void testTimedInvokeAll4() throws Exception {
1188	<	ExecutorService e = new CustomExecutor(2);
1189	<	try {
1190	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1188	>	final ExecutorService e = new CustomExecutor(2);
1189	>	try (PoolCleaner cleaner = cleaner(e)) {
1190	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1191		l.add(new NPETask());
1192	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1193	<	assertEquals(1, result.size());
1194	<	for (Future<String> future : result)
1195	<	future.get();
1196	<	shouldThrow();
1197	<	} catch (ExecutionException success) {
1198	<	assertTrue(success.getCause() instanceof NullPointerException);
1199	<	} finally {
1200	<	joinPool(e);
1192	>	List<Future<String>> futures =
1193	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1194	>	assertEquals(1, futures.size());
1195	>	try {
1196	>	futures.get(0).get();
1197	>	shouldThrow();
1198	>	} catch (ExecutionException success) {
1199	>	assertTrue(success.getCause() instanceof NullPointerException);
1200	>	}
1201		}
1202		}
1203
#	Line 1030 | Line 1205 | public class ScheduledExecutorSubclassTe
1205		* timed invokeAll(c) returns results of all completed tasks
1206		*/
1207		public void testTimedInvokeAll5() throws Exception {
1208	<	ExecutorService e = new CustomExecutor(2);
1209	<	try {
1210	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1208	>	final ExecutorService e = new CustomExecutor(2);
1209	>	try (PoolCleaner cleaner = cleaner(e)) {
1210	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1211		l.add(new StringTask());
1212		l.add(new StringTask());
1213	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1214	<	assertEquals(2, result.size());
1215	<	for (Future<String> future : result)
1213	>	List<Future<String>> futures =
1214	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1215	>	assertEquals(2, futures.size());
1216	>	for (Future<String> future : futures)
1217		assertSame(TEST_STRING, future.get());
1042	–	} finally {
1043	–	joinPool(e);
1218		}
1219		}
1220
#	Line 1048 | Line 1222 | public class ScheduledExecutorSubclassTe
1222		* timed invokeAll(c) cancels tasks not completed by timeout
1223		*/
1224		public void testTimedInvokeAll6() throws Exception {
1225	<	ExecutorService e = new CustomExecutor(2);
1226	<	try {
1227	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1228	<	l.add(new StringTask());
1229	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1230	<	l.add(new StringTask());
1231	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1232	<	assertEquals(3, result.size());
1233	<	Iterator<Future<String>> it = result.iterator();
1234	<	Future<String> f1 = it.next();
1235	<	Future<String> f2 = it.next();
1236	<	Future<String> f3 = it.next();
1237	<	assertTrue(f1.isDone());
1238	<	assertTrue(f2.isDone());
1239	<	assertTrue(f3.isDone());
1240	<	assertFalse(f1.isCancelled());
1241	<	assertTrue(f2.isCancelled());
1242	<	} finally {
1243	<	joinPool(e);
1225	>	for (long timeout = timeoutMillis();;) {
1226	>	final CountDownLatch done = new CountDownLatch(1);
1227	>	final Callable<String> waiter = new CheckedCallable<String>() {
1228	>	public String realCall() {
1229	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1230	>	catch (InterruptedException ok) {}
1231	>	return "1"; }};
1232	>	final ExecutorService p = new CustomExecutor(2);
1233	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1234	>	List<Callable<String>> tasks = new ArrayList<>();
1235	>	tasks.add(new StringTask("0"));
1236	>	tasks.add(waiter);
1237	>	tasks.add(new StringTask("2"));
1238	>	long startTime = System.nanoTime();
1239	>	List<Future<String>> futures =
1240	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1241	>	assertEquals(tasks.size(), futures.size());
1242	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1243	>	for (Future future : futures)
1244	>	assertTrue(future.isDone());
1245	>	assertTrue(futures.get(1).isCancelled());
1246	>	try {
1247	>	assertEquals("0", futures.get(0).get());
1248	>	assertEquals("2", futures.get(2).get());
1249	>	break;
1250	>	} catch (CancellationException retryWithLongerTimeout) {
1251	>	timeout *= 2;
1252	>	if (timeout >= LONG_DELAY_MS / 2)
1253	>	fail("expected exactly one task to be cancelled");
1254	>	}
1255	>	}
1256		}
1257		}
1258

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