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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.4 by jsr166, Mon Nov 16 05:30:08 2009 UTC vs.
Revision 1.65 by jsr166, Sat Mar 25 21:41:10 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.util.concurrent.atomic.*;
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>
11	>	import java.util.ArrayList;
12	>	import java.util.HashSet;
13	>	import java.util.List;
14	>	import java.util.concurrent.BlockingQueue;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.CancellationException;
17	>	import java.util.concurrent.CountDownLatch;
18	>	import java.util.concurrent.Delayed;
19	>	import java.util.concurrent.ExecutionException;
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.AtomicBoolean;
32	>	import java.util.concurrent.atomic.AtomicInteger;
33	>	import java.util.concurrent.atomic.AtomicLong;
34	>
35	>	import junit.framework.Test;
36	>	import junit.framework.TestSuite;
37
38		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
39		public static void main(String[] args) {
40	<	junit.textui.TestRunner.run (suite());
40	>	main(suite(), args);
41		}
42		public static Test suite() {
43	<	return new TestSuite(ScheduledExecutorTest.class);
43	>	return new TestSuite(ScheduledExecutorSubclassTest.class);
44		}
45
46		static class CustomTask<V> implements RunnableScheduledFuture<V> {
47	<	RunnableScheduledFuture<V> task;
47	>	private final RunnableScheduledFuture<V> task;
48		volatile boolean ran;
49	<	CustomTask(RunnableScheduledFuture<V> t) { task = t; }
49	>	CustomTask(RunnableScheduledFuture<V> task) { this.task = task; }
50		public boolean isPeriodic() { return task.isPeriodic(); }
51		public void run() {
52		ran = true;
#	Line 35 | Line 61 | public class ScheduledExecutorSubclassTe
61		}
62		public boolean isCancelled() { return task.isCancelled(); }
63		public boolean isDone() { return task.isDone(); }
64	<	public V get() throws InterruptedException,  ExecutionException {
64	>	public V get() throws InterruptedException, ExecutionException {
65		V v = task.get();
66		assertTrue(ran);
67		return v;
68		}
69	<	public V get(long time, TimeUnit unit) throws InterruptedException,  ExecutionException, TimeoutException {
69	>	public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
70		V v = task.get(time, unit);
71		assertTrue(ran);
72		return v;
73		}
74		}
75
50	–
76		public class CustomExecutor extends ScheduledThreadPoolExecutor {
77
78		protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) {
#	Line 57 | Line 82 | public class ScheduledExecutorSubclassTe
82		protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
83		return new CustomTask<V>(task);
84		}
85	<	CustomExecutor(int corePoolSize) { super(corePoolSize);}
85	>	CustomExecutor(int corePoolSize) { super(corePoolSize); }
86		CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
87		super(corePoolSize, handler);
88		}
#	Line 72 | Line 97 | public class ScheduledExecutorSubclassTe
97
98		}
99
75	–
76	–
100		/**
101		* execute successfully executes a runnable
102		*/
103	<	public void testExecute() {
104	<	try {
105	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
106	<	CustomExecutor p1 = new CustomExecutor(1);
107	<	p1.execute(runnable);
108	<	assertFalse(runnable.done);
109	<	Thread.sleep(SHORT_DELAY_MS);
110	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
88	<	try {
89	<	Thread.sleep(MEDIUM_DELAY_MS);
90	<	} catch (InterruptedException e) {
91	<	unexpectedException();
92	<	}
93	<	assertTrue(runnable.done);
94	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
95	<	joinPool(p1);
96	<	}
97	<	catch (Exception e) {
98	<	unexpectedException();
103	>	public void testExecute() throws InterruptedException {
104	>	final CustomExecutor p = new CustomExecutor(1);
105	>	try (PoolCleaner cleaner = cleaner(p)) {
106	>	final CountDownLatch done = new CountDownLatch(1);
107	>	final Runnable task = new CheckedRunnable() {
108	>	public void realRun() { done.countDown(); }};
109	>	p.execute(task);
110	>	await(done);
111		}
100	–
112		}
113
103	–
114		/**
115		* delayed schedule of callable successfully executes after delay
116		*/
117	<	public void testSchedule1() {
118	<	try {
119	<	TrackedCallable callable = new TrackedCallable();
120	<	CustomExecutor p1 = new CustomExecutor(1);
121	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
122	<	assertFalse(callable.done);
123	<	Thread.sleep(MEDIUM_DELAY_MS);
124	<	assertTrue(callable.done);
125	<	assertEquals(Boolean.TRUE, f.get());
126	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
127	<	joinPool(p1);
128	<	} catch (RejectedExecutionException e) {}
129	<	catch (Exception e) {
130	<	e.printStackTrace();
121	<	unexpectedException();
117	>	public void testSchedule1() throws Exception {
118	>	final CountDownLatch done = new CountDownLatch(1);
119	>	final CustomExecutor p = new CustomExecutor(1);
120	>	try (PoolCleaner cleaner = cleaner(p, done)) {
121	>	final long startTime = System.nanoTime();
122	>	Callable task = new CheckedCallable<Boolean>() {
123	>	public Boolean realCall() {
124	>	done.countDown();
125	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
126	>	return Boolean.TRUE;
127	>	}};
128	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
129	>	assertSame(Boolean.TRUE, f.get());
130	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
131		}
132		}
133
134		/**
135	<	*  delayed schedule of runnable successfully executes after delay
136	<	*/
137	<	public void testSchedule3() {
138	<	try {
139	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
140	<	CustomExecutor p1 = new CustomExecutor(1);
141	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
142	<	Thread.sleep(SHORT_DELAY_MS);
143	<	assertFalse(runnable.done);
144	<	Thread.sleep(MEDIUM_DELAY_MS);
145	<	assertTrue(runnable.done);
146	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
147	<	joinPool(p1);
148	<	} catch (Exception e) {
149	<	unexpectedException();
135	>	* delayed schedule of runnable successfully executes after delay
136	>	*/
137	>	public void testSchedule3() throws Exception {
138	>	final CustomExecutor p = new CustomExecutor(1);
139	>	try (PoolCleaner cleaner = cleaner(p)) {
140	>	final long startTime = System.nanoTime();
141	>	final CountDownLatch done = new CountDownLatch(1);
142	>	Runnable task = new CheckedRunnable() {
143	>	public void realRun() {
144	>	done.countDown();
145	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
146	>	}};
147	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
148	>	await(done);
149	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
150	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
151		}
152		}
153
154		/**
155		* scheduleAtFixedRate executes runnable after given initial delay
156		*/
157	<	public void testSchedule4() {
158	<	try {
159	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
160	<	CustomExecutor p1 = new CustomExecutor(1);
161	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
162	<	assertFalse(runnable.done);
163	<	Thread.sleep(MEDIUM_DELAY_MS);
164	<	assertTrue(runnable.done);
165	<	h.cancel(true);
166	<	joinPool(p1);
167	<	} catch (Exception e) {
168	<	unexpectedException();
157	>	public void testSchedule4() throws InterruptedException {
158	>	final CustomExecutor p = new CustomExecutor(1);
159	>	try (PoolCleaner cleaner = cleaner(p)) {
160	>	final long startTime = System.nanoTime();
161	>	final CountDownLatch done = new CountDownLatch(1);
162	>	Runnable task = new CheckedRunnable() {
163	>	public void realRun() {
164	>	done.countDown();
165	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
166	>	}};
167	>	ScheduledFuture f =
168	>	p.scheduleAtFixedRate(task, timeoutMillis(),
169	>	LONG_DELAY_MS, MILLISECONDS);
170	>	await(done);
171	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
172	>	f.cancel(true);
173		}
174		}
175
162	–	static class RunnableCounter implements Runnable {
163	–	AtomicInteger count = new AtomicInteger(0);
164	–	public void run() { count.getAndIncrement(); }
165	–	}
166	–
176		/**
177		* scheduleWithFixedDelay executes runnable after given initial delay
178		*/
179	<	public void testSchedule5() {
180	<	try {
181	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
182	<	CustomExecutor p1 = new CustomExecutor(1);
183	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
184	<	assertFalse(runnable.done);
185	<	Thread.sleep(MEDIUM_DELAY_MS);
186	<	assertTrue(runnable.done);
187	<	h.cancel(true);
188	<	joinPool(p1);
189	<	} catch (Exception e) {
190	<	unexpectedException();
179	>	public void testSchedule5() throws InterruptedException {
180	>	final CustomExecutor p = new CustomExecutor(1);
181	>	try (PoolCleaner cleaner = cleaner(p)) {
182	>	final long startTime = System.nanoTime();
183	>	final CountDownLatch done = new CountDownLatch(1);
184	>	Runnable task = new CheckedRunnable() {
185	>	public void realRun() {
186	>	done.countDown();
187	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
188	>	}};
189	>	ScheduledFuture f =
190	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
191	>	LONG_DELAY_MS, MILLISECONDS);
192	>	await(done);
193	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
194	>	f.cancel(true);
195		}
196		}
197
198	+	static class RunnableCounter implements Runnable {
199	+	AtomicInteger count = new AtomicInteger(0);
200	+	public void run() { count.getAndIncrement(); }
201	+	}
202	+
203		/**
204	<	* scheduleAtFixedRate executes series of tasks at given rate
205	<	*/
206	<	public void testFixedRateSequence() {
207	<	try {
208	<	CustomExecutor p1 = new CustomExecutor(1);
209	<	RunnableCounter counter = new RunnableCounter();
210	<	ScheduledFuture h =
211	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
212	<	Thread.sleep(SMALL_DELAY_MS);
213	<	h.cancel(true);
214	<	int c = counter.count.get();
215	<	// By time scaling conventions, we must have at least
216	<	// an execution per SHORT delay, but no more than one SHORT more
217	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
218	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
219	<	joinPool(p1);
220	<	} catch (Exception e) {
221	<	unexpectedException();
204	>	* scheduleAtFixedRate executes series of tasks at given rate.
205	>	* Eventually, it must hold that:
206	>	*   cycles - 1 <= elapsedMillis/delay < cycles
207	>	*/
208	>	public void testFixedRateSequence() throws InterruptedException {
209	>	final CustomExecutor p = new CustomExecutor(1);
210	>	try (PoolCleaner cleaner = cleaner(p)) {
211	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
212	>	final long startTime = System.nanoTime();
213	>	final int cycles = 8;
214	>	final CountDownLatch done = new CountDownLatch(cycles);
215	>	final Runnable task = new CheckedRunnable() {
216	>	public void realRun() { done.countDown(); }};
217	>	final ScheduledFuture periodicTask =
218	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
219	>	final int totalDelayMillis = (cycles - 1) * delay;
220	>	await(done, totalDelayMillis + LONG_DELAY_MS);
221	>	periodicTask.cancel(true);
222	>	final long elapsedMillis = millisElapsedSince(startTime);
223	>	assertTrue(elapsedMillis >= totalDelayMillis);
224	>	if (elapsedMillis <= cycles * delay)
225	>	return;
226	>	// else retry with longer delay
227	>	}
228	>	fail("unexpected execution rate");
229		}
230		}
231
232		/**
233	<	* scheduleWithFixedDelay executes series of tasks with given period
234	<	*/
235	<	public void testFixedDelaySequence() {
236	<	try {
237	<	CustomExecutor p1 = new CustomExecutor(1);
238	<	RunnableCounter counter = new RunnableCounter();
239	<	ScheduledFuture h =
240	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
241	<	Thread.sleep(SMALL_DELAY_MS);
242	<	h.cancel(true);
243	<	int c = counter.count.get();
244	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
245	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
246	<	joinPool(p1);
247	<	} catch (Exception e) {
248	<	unexpectedException();
233	>	* scheduleWithFixedDelay executes series of tasks with given period.
234	>	* Eventually, it must hold that each task starts at least delay and at
235	>	* most 2 * delay after the termination of the previous task.
236	>	*/
237	>	public void testFixedDelaySequence() throws InterruptedException {
238	>	final CustomExecutor p = new CustomExecutor(1);
239	>	try (PoolCleaner cleaner = cleaner(p)) {
240	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
241	>	final long startTime = System.nanoTime();
242	>	final AtomicLong previous = new AtomicLong(startTime);
243	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
244	>	final int cycles = 8;
245	>	final CountDownLatch done = new CountDownLatch(cycles);
246	>	final int d = delay;
247	>	final Runnable task = new CheckedRunnable() {
248	>	public void realRun() {
249	>	long now = System.nanoTime();
250	>	long elapsedMillis
251	>	= NANOSECONDS.toMillis(now - previous.get());
252	>	if (done.getCount() == cycles) { // first execution
253	>	if (elapsedMillis >= d)
254	>	tryLongerDelay.set(true);
255	>	} else {
256	>	assertTrue(elapsedMillis >= d);
257	>	if (elapsedMillis >= 2 * d)
258	>	tryLongerDelay.set(true);
259	>	}
260	>	previous.set(now);
261	>	done.countDown();
262	>	}};
263	>	final ScheduledFuture periodicTask =
264	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
265	>	final int totalDelayMillis = (cycles - 1) * delay;
266	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
267	>	periodicTask.cancel(true);
268	>	final long elapsedMillis = millisElapsedSince(startTime);
269	>	assertTrue(elapsedMillis >= totalDelayMillis);
270	>	if (!tryLongerDelay.get())
271	>	return;
272	>	// else retry with longer delay
273	>	}
274	>	fail("unexpected execution rate");
275		}
276		}
277
227	–
278		/**
279	<	*  execute (null) throws NPE
279	>	* execute(null) throws NPE
280		*/
281	<	public void testExecuteNull() {
282	<	CustomExecutor se = null;
283	<	try {
284	<	se = new CustomExecutor(1);
285	<	se.execute(null);
286	<	shouldThrow();
287	<	} catch (NullPointerException success) {}
238	<	catch (Exception e) {
239	<	unexpectedException();
281	>	public void testExecuteNull() throws InterruptedException {
282	>	final CustomExecutor p = new CustomExecutor(1);
283	>	try (PoolCleaner cleaner = cleaner(p)) {
284	>	try {
285	>	p.execute(null);
286	>	shouldThrow();
287	>	} catch (NullPointerException success) {}
288		}
241	–
242	–	joinPool(se);
289		}
290
291		/**
292	<	* schedule (null) throws NPE
292	>	* schedule(null) throws NPE
293		*/
294	<	public void testScheduleNull() {
295	<	CustomExecutor se = new CustomExecutor(1);
296	<	try {
297	<	TrackedCallable callable = null;
298	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
299	<	shouldThrow();
300	<	} catch (NullPointerException success) {}
301	<	catch (Exception e) {
256	<	unexpectedException();
294	>	public void testScheduleNull() throws InterruptedException {
295	>	final CustomExecutor p = new CustomExecutor(1);
296	>	try (PoolCleaner cleaner = cleaner(p)) {
297	>	try {
298	>	TrackedCallable callable = null;
299	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
300	>	shouldThrow();
301	>	} catch (NullPointerException success) {}
302		}
258	–	joinPool(se);
303		}
304
305		/**
306		* execute throws RejectedExecutionException if shutdown
307		*/
308		public void testSchedule1_RejectedExecutionException() {
309	<	CustomExecutor se = new CustomExecutor(1);
310	<	try {
311	<	se.shutdown();
312	<	se.schedule(new NoOpRunnable(),
313	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
314	<	shouldThrow();
315	<	} catch (RejectedExecutionException success) {
316	<	} catch (SecurityException ok) {
309	>	final CustomExecutor p = new CustomExecutor(1);
310	>	try (PoolCleaner cleaner = cleaner(p)) {
311	>	try {
312	>	p.shutdown();
313	>	p.schedule(new NoOpRunnable(),
314	>	MEDIUM_DELAY_MS, MILLISECONDS);
315	>	shouldThrow();
316	>	} catch (RejectedExecutionException success) {
317	>	} catch (SecurityException ok) {}
318		}
274	–
275	–	joinPool(se);
276	–
319		}
320
321		/**
322		* schedule throws RejectedExecutionException if shutdown
323		*/
324		public void testSchedule2_RejectedExecutionException() {
325	<	CustomExecutor se = new CustomExecutor(1);
326	<	try {
327	<	se.shutdown();
328	<	se.schedule(new NoOpCallable(),
329	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
330	<	shouldThrow();
331	<	} catch (RejectedExecutionException success) {
332	<	} catch (SecurityException ok) {
325	>	final CustomExecutor p = new CustomExecutor(1);
326	>	try (PoolCleaner cleaner = cleaner(p)) {
327	>	try {
328	>	p.shutdown();
329	>	p.schedule(new NoOpCallable(),
330	>	MEDIUM_DELAY_MS, MILLISECONDS);
331	>	shouldThrow();
332	>	} catch (RejectedExecutionException success) {
333	>	} catch (SecurityException ok) {}
334		}
292	–	joinPool(se);
335		}
336
337		/**
338		* schedule callable throws RejectedExecutionException if shutdown
339		*/
340	<	public void testSchedule3_RejectedExecutionException() {
341	<	CustomExecutor se = new CustomExecutor(1);
342	<	try {
343	<	se.shutdown();
344	<	se.schedule(new NoOpCallable(),
345	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
346	<	shouldThrow();
347	<	} catch (RejectedExecutionException success) {
348	<	} catch (SecurityException ok) {
340	>	public void testSchedule3_RejectedExecutionException() {
341	>	final CustomExecutor p = new CustomExecutor(1);
342	>	try (PoolCleaner cleaner = cleaner(p)) {
343	>	try {
344	>	p.shutdown();
345	>	p.schedule(new NoOpCallable(),
346	>	MEDIUM_DELAY_MS, MILLISECONDS);
347	>	shouldThrow();
348	>	} catch (RejectedExecutionException success) {
349	>	} catch (SecurityException ok) {}
350		}
308	–	joinPool(se);
351		}
352
353		/**
354	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
354	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
355		*/
356		public void testScheduleAtFixedRate1_RejectedExecutionException() {
357	<	CustomExecutor se = new CustomExecutor(1);
358	<	try {
359	<	se.shutdown();
360	<	se.scheduleAtFixedRate(new NoOpRunnable(),
361	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
362	<	shouldThrow();
363	<	} catch (RejectedExecutionException success) {
364	<	} catch (SecurityException ok) {
357	>	final CustomExecutor p = new CustomExecutor(1);
358	>	try (PoolCleaner cleaner = cleaner(p)) {
359	>	try {
360	>	p.shutdown();
361	>	p.scheduleAtFixedRate(new NoOpRunnable(),
362	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
363	>	shouldThrow();
364	>	} catch (RejectedExecutionException success) {
365	>	} catch (SecurityException ok) {}
366		}
324	–	joinPool(se);
367		}
368
369		/**
370		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
371		*/
372		public void testScheduleWithFixedDelay1_RejectedExecutionException() {
373	<	CustomExecutor se = new CustomExecutor(1);
374	<	try {
375	<	se.shutdown();
376	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
377	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
378	<	shouldThrow();
379	<	} catch (RejectedExecutionException success) {
380	<	} catch (SecurityException ok) {
373	>	final CustomExecutor p = new CustomExecutor(1);
374	>	try (PoolCleaner cleaner = cleaner(p)) {
375	>	try {
376	>	p.shutdown();
377	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
378	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
379	>	shouldThrow();
380	>	} catch (RejectedExecutionException success) {
381	>	} catch (SecurityException ok) {}
382		}
340	–	joinPool(se);
383		}
384
385		/**
386	<	*  getActiveCount increases but doesn't overestimate, when a
387	<	*  thread becomes active
388	<	*/
389	<	public void testGetActiveCount() {
390	<	CustomExecutor p2 = new CustomExecutor(2);
391	<	assertEquals(0, p2.getActiveCount());
392	<	p2.execute(new SmallRunnable());
393	<	try {
394	<	Thread.sleep(SHORT_DELAY_MS);
395	<	} catch (Exception e) {
396	<	unexpectedException();
386	>	* getActiveCount increases but doesn't overestimate, when a
387	>	* thread becomes active
388	>	*/
389	>	public void testGetActiveCount() throws InterruptedException {
390	>	final CountDownLatch done = new CountDownLatch(1);
391	>	final ThreadPoolExecutor p = new CustomExecutor(2);
392	>	try (PoolCleaner cleaner = cleaner(p, done)) {
393	>	final CountDownLatch threadStarted = new CountDownLatch(1);
394	>	assertEquals(0, p.getActiveCount());
395	>	p.execute(new CheckedRunnable() {
396	>	public void realRun() throws InterruptedException {
397	>	threadStarted.countDown();
398	>	assertEquals(1, p.getActiveCount());
399	>	await(done);
400	>	}});
401	>	await(threadStarted);
402	>	assertEquals(1, p.getActiveCount());
403		}
356	–	assertEquals(1, p2.getActiveCount());
357	–	joinPool(p2);
404		}
405
406		/**
407	<	*    getCompletedTaskCount increases, but doesn't overestimate,
408	<	*   when tasks complete
409	<	*/
410	<	public void testGetCompletedTaskCount() {
411	<	CustomExecutor p2 = new CustomExecutor(2);
412	<	assertEquals(0, p2.getCompletedTaskCount());
413	<	p2.execute(new SmallRunnable());
414	<	try {
415	<	Thread.sleep(MEDIUM_DELAY_MS);
416	<	} catch (Exception e) {
417	<	unexpectedException();
407	>	* getCompletedTaskCount increases, but doesn't overestimate,
408	>	* when tasks complete
409	>	*/
410	>	public void testGetCompletedTaskCount() throws InterruptedException {
411	>	final ThreadPoolExecutor p = new CustomExecutor(2);
412	>	try (PoolCleaner cleaner = cleaner(p)) {
413	>	final CountDownLatch threadStarted = new CountDownLatch(1);
414	>	final CountDownLatch threadProceed = new CountDownLatch(1);
415	>	final CountDownLatch threadDone = new CountDownLatch(1);
416	>	assertEquals(0, p.getCompletedTaskCount());
417	>	p.execute(new CheckedRunnable() {
418	>	public void realRun() throws InterruptedException {
419	>	threadStarted.countDown();
420	>	assertEquals(0, p.getCompletedTaskCount());
421	>	await(threadProceed);
422	>	threadDone.countDown();
423	>	}});
424	>	await(threadStarted);
425	>	assertEquals(0, p.getCompletedTaskCount());
426	>	threadProceed.countDown();
427	>	await(threadDone);
428	>	long startTime = System.nanoTime();
429	>	while (p.getCompletedTaskCount() != 1) {
430	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
431	>	fail("timed out");
432	>	Thread.yield();
433	>	}
434		}
373	–	assertEquals(1, p2.getCompletedTaskCount());
374	–	joinPool(p2);
435		}
436
437		/**
438	<	*  getCorePoolSize returns size given in constructor if not otherwise set
438	>	* getCorePoolSize returns size given in constructor if not otherwise set
439		*/
440		public void testGetCorePoolSize() {
441	<	CustomExecutor p1 = new CustomExecutor(1);
442	<	assertEquals(1, p1.getCorePoolSize());
443	<	joinPool(p1);
444	<	}
445	<
446	<	/**
447	<	*    getLargestPoolSize increases, but doesn't overestimate, when
448	<	*   multiple threads active
449	<	*/
450	<	public void testGetLargestPoolSize() {
451	<	CustomExecutor p2 = new CustomExecutor(2);
452	<	assertEquals(0, p2.getLargestPoolSize());
453	<	p2.execute(new SmallRunnable());
454	<	p2.execute(new SmallRunnable());
455	<	try {
456	<	Thread.sleep(SHORT_DELAY_MS);
457	<	} catch (Exception e) {
458	<	unexpectedException();
459	<	}
460	<	assertEquals(2, p2.getLargestPoolSize());
461	<	joinPool(p2);
462	<	}
463	<
464	<	/**
465	<	*   getPoolSize increases, but doesn't overestimate, when threads
466	<	*   become active
467	<	*/
468	<	public void testGetPoolSize() {
469	<	CustomExecutor p1 = new CustomExecutor(1);
470	<	assertEquals(0, p1.getPoolSize());
471	<	p1.execute(new SmallRunnable());
472	<	assertEquals(1, p1.getPoolSize());
473	<	joinPool(p1);
474	<	}
475	<
476	<	/**
477	<	*    getTaskCount increases, but doesn't overestimate, when tasks
478	<	*    submitted
479	<	*/
480	<	public void testGetTaskCount() {
481	<	CustomExecutor p1 = new CustomExecutor(1);
482	<	assertEquals(0, p1.getTaskCount());
483	<	for (int i = 0; i < 5; i++)
484	<	p1.execute(new SmallRunnable());
485	<	try {
486	<	Thread.sleep(SHORT_DELAY_MS);
487	<	} catch (Exception e) {
488	<	unexpectedException();
441	>	final CustomExecutor p = new CustomExecutor(1);
442	>	try (PoolCleaner cleaner = cleaner(p)) {
443	>	assertEquals(1, p.getCorePoolSize());
444	>	}
445	>	}
446	>
447	>	/**
448	>	* getLargestPoolSize increases, but doesn't overestimate, when
449	>	* multiple threads active
450	>	*/
451	>	public void testGetLargestPoolSize() throws InterruptedException {
452	>	final int THREADS = 3;
453	>	final CountDownLatch done = new CountDownLatch(1);
454	>	final ThreadPoolExecutor p = new CustomExecutor(THREADS);
455	>	try (PoolCleaner cleaner = cleaner(p, done)) {
456	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
457	>	assertEquals(0, p.getLargestPoolSize());
458	>	for (int i = 0; i < THREADS; i++)
459	>	p.execute(new CheckedRunnable() {
460	>	public void realRun() throws InterruptedException {
461	>	threadsStarted.countDown();
462	>	await(done);
463	>	assertEquals(THREADS, p.getLargestPoolSize());
464	>	}});
465	>	await(threadsStarted);
466	>	assertEquals(THREADS, p.getLargestPoolSize());
467	>	}
468	>	assertEquals(THREADS, p.getLargestPoolSize());
469	>	}
470	>
471	>	/**
472	>	* getPoolSize increases, but doesn't overestimate, when threads
473	>	* become active
474	>	*/
475	>	public void testGetPoolSize() throws InterruptedException {
476	>	final CountDownLatch done = new CountDownLatch(1);
477	>	final ThreadPoolExecutor p = new CustomExecutor(1);
478	>	try (PoolCleaner cleaner = cleaner(p, done)) {
479	>	final CountDownLatch threadStarted = new CountDownLatch(1);
480	>	assertEquals(0, p.getPoolSize());
481	>	p.execute(new CheckedRunnable() {
482	>	public void realRun() throws InterruptedException {
483	>	threadStarted.countDown();
484	>	assertEquals(1, p.getPoolSize());
485	>	await(done);
486	>	}});
487	>	await(threadStarted);
488	>	assertEquals(1, p.getPoolSize());
489	>	}
490	>	}
491	>
492	>	/**
493	>	* getTaskCount increases, but doesn't overestimate, when tasks
494	>	* submitted
495	>	*/
496	>	public void testGetTaskCount() throws InterruptedException {
497	>	final int TASKS = 3;
498	>	final CountDownLatch done = new CountDownLatch(1);
499	>	final ThreadPoolExecutor p = new CustomExecutor(1);
500	>	try (PoolCleaner cleaner = cleaner(p, done)) {
501	>	final CountDownLatch threadStarted = new CountDownLatch(1);
502	>	assertEquals(0, p.getTaskCount());
503	>	assertEquals(0, p.getCompletedTaskCount());
504	>	p.execute(new CheckedRunnable() {
505	>	public void realRun() throws InterruptedException {
506	>	threadStarted.countDown();
507	>	await(done);
508	>	}});
509	>	await(threadStarted);
510	>	assertEquals(1, p.getTaskCount());
511	>	assertEquals(0, p.getCompletedTaskCount());
512	>	for (int i = 0; i < TASKS; i++) {
513	>	assertEquals(1 + i, p.getTaskCount());
514	>	p.execute(new CheckedRunnable() {
515	>	public void realRun() throws InterruptedException {
516	>	threadStarted.countDown();
517	>	assertEquals(1 + TASKS, p.getTaskCount());
518	>	await(done);
519	>	}});
520	>	}
521	>	assertEquals(1 + TASKS, p.getTaskCount());
522	>	assertEquals(0, p.getCompletedTaskCount());
523		}
524	<	assertEquals(5, p1.getTaskCount());
525	<	joinPool(p1);
524	>	assertEquals(1 + TASKS, p.getTaskCount());
525	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
526		}
527
528		/**
529		* getThreadFactory returns factory in constructor if not set
530		*/
531		public void testGetThreadFactory() {
532	<	ThreadFactory tf = new SimpleThreadFactory();
533	<	CustomExecutor p = new CustomExecutor(1, tf);
534	<	assertSame(tf, p.getThreadFactory());
535	<	joinPool(p);
532	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
533	>	final CustomExecutor p = new CustomExecutor(1, threadFactory);
534	>	try (PoolCleaner cleaner = cleaner(p)) {
535	>	assertSame(threadFactory, p.getThreadFactory());
536	>	}
537		}
538
539		/**
540		* setThreadFactory sets the thread factory returned by getThreadFactory
541		*/
542		public void testSetThreadFactory() {
543	<	ThreadFactory tf = new SimpleThreadFactory();
544	<	CustomExecutor p = new CustomExecutor(1);
545	<	p.setThreadFactory(tf);
546	<	assertSame(tf, p.getThreadFactory());
547	<	joinPool(p);
543	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
544	>	final CustomExecutor p = new CustomExecutor(1);
545	>	try (PoolCleaner cleaner = cleaner(p)) {
546	>	p.setThreadFactory(threadFactory);
547	>	assertSame(threadFactory, p.getThreadFactory());
548	>	}
549		}
550
551		/**
552		* setThreadFactory(null) throws NPE
553		*/
554		public void testSetThreadFactoryNull() {
555	<	CustomExecutor p = new CustomExecutor(1);
556	<	try {
557	<	p.setThreadFactory(null);
558	<	shouldThrow();
559	<	} catch (NullPointerException success) {
560	<	} finally {
465	<	joinPool(p);
555	>	final CustomExecutor p = new CustomExecutor(1);
556	>	try (PoolCleaner cleaner = cleaner(p)) {
557	>	try {
558	>	p.setThreadFactory(null);
559	>	shouldThrow();
560	>	} catch (NullPointerException success) {}
561		}
562		}
563
564		/**
565	<	*   is isShutDown is false before shutdown, true after
565	>	* isShutdown is false before shutdown, true after
566		*/
567		public void testIsShutdown() {
568	<
569	<	CustomExecutor p1 = new CustomExecutor(1);
570	<	try {
571	<	assertFalse(p1.isShutdown());
572	<	}
478	<	finally {
479	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
568	>	final CustomExecutor p = new CustomExecutor(1);
569	>	try (PoolCleaner cleaner = cleaner(p)) {
570	>	assertFalse(p.isShutdown());
571	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
572	>	assertTrue(p.isShutdown());
573		}
481	–	assertTrue(p1.isShutdown());
574		}
575
484	–
576		/**
577	<	*   isTerminated is false before termination, true after
578	<	*/
579	<	public void testIsTerminated() {
580	<	CustomExecutor p1 = new CustomExecutor(1);
581	<	try {
582	<	p1.execute(new SmallRunnable());
583	<	} finally {
584	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
585	<	}
586	<	try {
587	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
588	<	assertTrue(p1.isTerminated());
589	<	} catch (Exception e) {
590	<	unexpectedException();
577	>	* isTerminated is false before termination, true after
578	>	*/
579	>	public void testIsTerminated() throws InterruptedException {
580	>	final CountDownLatch done = new CountDownLatch(1);
581	>	final ThreadPoolExecutor p = new CustomExecutor(1);
582	>	try (PoolCleaner cleaner = cleaner(p)) {
583	>	final CountDownLatch threadStarted = new CountDownLatch(1);
584	>	p.execute(new CheckedRunnable() {
585	>	public void realRun() throws InterruptedException {
586	>	assertFalse(p.isTerminated());
587	>	threadStarted.countDown();
588	>	await(done);
589	>	}});
590	>	await(threadStarted);
591	>	assertFalse(p.isTerminated());
592	>	assertFalse(p.isTerminating());
593	>	done.countDown();
594	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
595	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
596	>	assertTrue(p.isTerminated());
597		}
598		}
599
600		/**
601	<	*  isTerminating is not true when running or when terminated
602	<	*/
603	<	public void testIsTerminating() {
604	<	CustomExecutor p1 = new CustomExecutor(1);
605	<	assertFalse(p1.isTerminating());
606	<	try {
607	<	p1.execute(new SmallRunnable());
608	<	assertFalse(p1.isTerminating());
609	<	} finally {
610	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
611	<	}
612	<	try {
613	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
614	<	assertTrue(p1.isTerminated());
615	<	assertFalse(p1.isTerminating());
616	<	} catch (Exception e) {
617	<	unexpectedException();
601	>	* isTerminating is not true when running or when terminated
602	>	*/
603	>	public void testIsTerminating() throws InterruptedException {
604	>	final CountDownLatch done = new CountDownLatch(1);
605	>	final ThreadPoolExecutor p = new CustomExecutor(1);
606	>	try (PoolCleaner cleaner = cleaner(p)) {
607	>	final CountDownLatch threadStarted = new CountDownLatch(1);
608	>	assertFalse(p.isTerminating());
609	>	p.execute(new CheckedRunnable() {
610	>	public void realRun() throws InterruptedException {
611	>	assertFalse(p.isTerminating());
612	>	threadStarted.countDown();
613	>	await(done);
614	>	}});
615	>	await(threadStarted);
616	>	assertFalse(p.isTerminating());
617	>	done.countDown();
618	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
619	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
620	>	assertTrue(p.isTerminated());
621	>	assertFalse(p.isTerminating());
622		}
623		}
624
625		/**
626		* getQueue returns the work queue, which contains queued tasks
627		*/
628	<	public void testGetQueue() {
629	<	CustomExecutor p1 = new CustomExecutor(1);
630	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
631	<	for (int i = 0; i < 5; i++) {
632	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
633	<	}
634	<	try {
635	<	Thread.sleep(SHORT_DELAY_MS);
636	<	BlockingQueue<Runnable> q = p1.getQueue();
637	<	assertTrue(q.contains(tasks[4]));
628	>	public void testGetQueue() throws InterruptedException {
629	>	final CountDownLatch done = new CountDownLatch(1);
630	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
631	>	try (PoolCleaner cleaner = cleaner(p, done)) {
632	>	final CountDownLatch threadStarted = new CountDownLatch(1);
633	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
634	>	for (int i = 0; i < tasks.length; i++) {
635	>	Runnable r = new CheckedRunnable() {
636	>	public void realRun() throws InterruptedException {
637	>	threadStarted.countDown();
638	>	await(done);
639	>	}};
640	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
641	>	}
642	>	await(threadStarted);
643	>	BlockingQueue<Runnable> q = p.getQueue();
644	>	assertTrue(q.contains(tasks[tasks.length - 1]));
645		assertFalse(q.contains(tasks[0]));
538	–	} catch (Exception e) {
539	–	unexpectedException();
540	–	} finally {
541	–	joinPool(p1);
646		}
647		}
648
649		/**
650		* remove(task) removes queued task, and fails to remove active task
651		*/
652	<	public void testRemove() {
653	<	CustomExecutor p1 = new CustomExecutor(1);
654	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
655	<	for (int i = 0; i < 5; i++) {
656	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
657	<	}
658	<	try {
659	<	Thread.sleep(SHORT_DELAY_MS);
660	<	BlockingQueue<Runnable> q = p1.getQueue();
661	<	assertFalse(p1.remove((Runnable)tasks[0]));
652	>	public void testRemove() throws InterruptedException {
653	>	final CountDownLatch done = new CountDownLatch(1);
654	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
655	>	try (PoolCleaner cleaner = cleaner(p, done)) {
656	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
657	>	final CountDownLatch threadStarted = new CountDownLatch(1);
658	>	for (int i = 0; i < tasks.length; i++) {
659	>	Runnable r = new CheckedRunnable() {
660	>	public void realRun() throws InterruptedException {
661	>	threadStarted.countDown();
662	>	await(done);
663	>	}};
664	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
665	>	}
666	>	await(threadStarted);
667	>	BlockingQueue<Runnable> q = p.getQueue();
668	>	assertFalse(p.remove((Runnable)tasks[0]));
669		assertTrue(q.contains((Runnable)tasks[4]));
670		assertTrue(q.contains((Runnable)tasks[3]));
671	<	assertTrue(p1.remove((Runnable)tasks[4]));
672	<	assertFalse(p1.remove((Runnable)tasks[4]));
671	>	assertTrue(p.remove((Runnable)tasks[4]));
672	>	assertFalse(p.remove((Runnable)tasks[4]));
673		assertFalse(q.contains((Runnable)tasks[4]));
674		assertTrue(q.contains((Runnable)tasks[3]));
675	<	assertTrue(p1.remove((Runnable)tasks[3]));
675	>	assertTrue(p.remove((Runnable)tasks[3]));
676		assertFalse(q.contains((Runnable)tasks[3]));
566	–	} catch (Exception e) {
567	–	unexpectedException();
568	–	} finally {
569	–	joinPool(p1);
677		}
678		}
679
680		/**
681	<	*  purge removes cancelled tasks from the queue
681	>	* purge removes cancelled tasks from the queue
682		*/
683	<	public void testPurge() {
684	<	CustomExecutor p1 = new CustomExecutor(1);
685	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
686	<	for (int i = 0; i < 5; i++) {
687	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
688	<	}
689	<	try {
690	<	int max = 5;
683	>	public void testPurge() throws InterruptedException {
684	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
685	>	final Runnable releaser = new Runnable() { public void run() {
686	>	for (ScheduledFuture task : tasks)
687	>	if (task != null) task.cancel(true); }};
688	>	final CustomExecutor p = new CustomExecutor(1);
689	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
690	>	for (int i = 0; i < tasks.length; i++)
691	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
692	>	LONG_DELAY_MS, MILLISECONDS);
693	>	int max = tasks.length;
694		if (tasks[4].cancel(true)) --max;
695		if (tasks[3].cancel(true)) --max;
696		// There must eventually be an interference-free point at
697		// which purge will not fail. (At worst, when queue is empty.)
698	<	int k;
699	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
700	<	p1.purge();
701	<	long count = p1.getTaskCount();
702	<	if (count >= 0 && count <= max)
703	<	break;
704	<	Thread.sleep(1);
705	<	}
596	<	assertTrue(k < SMALL_DELAY_MS);
597	<	} catch (Exception e) {
598	<	unexpectedException();
599	<	} finally {
600	<	joinPool(p1);
698	>	long startTime = System.nanoTime();
699	>	do {
700	>	p.purge();
701	>	long count = p.getTaskCount();
702	>	if (count == max)
703	>	return;
704	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
705	>	fail("Purge failed to remove cancelled tasks");
706		}
707		}
708
709		/**
710	<	*  shutDownNow returns a list containing tasks that were not run
711	<	*/
712	<	public void testShutDownNow() {
713	<	CustomExecutor p1 = new CustomExecutor(1);
714	<	for (int i = 0; i < 5; i++)
715	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
716	<	List l;
710	>	* shutdownNow returns a list containing tasks that were not run,
711	>	* and those tasks are drained from the queue
712	>	*/
713	>	public void testShutdownNow() throws InterruptedException {
714	>	final int poolSize = 2;
715	>	final int count = 5;
716	>	final AtomicInteger ran = new AtomicInteger(0);
717	>	final CustomExecutor p = new CustomExecutor(poolSize);
718	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
719	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
720	>	threadsStarted.countDown();
721	>	try {
722	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
723	>	} catch (InterruptedException success) {}
724	>	ran.getAndIncrement();
725	>	}};
726	>	for (int i = 0; i < count; i++)
727	>	p.execute(waiter);
728	>	await(threadsStarted);
729	>	assertEquals(poolSize, p.getActiveCount());
730	>	assertEquals(0, p.getCompletedTaskCount());
731	>	final List<Runnable> queuedTasks;
732		try {
733	<	l = p1.shutdownNow();
733	>	queuedTasks = p.shutdownNow();
734		} catch (SecurityException ok) {
735	<	return;
735	>	return; // Allowed in case test doesn't have privs
736		}
737	<	assertTrue(p1.isShutdown());
738	<	assertTrue(l.size() > 0 && l.size() <= 5);
739	<	joinPool(p1);
737	>	assertTrue(p.isShutdown());
738	>	assertTrue(p.getQueue().isEmpty());
739	>	assertEquals(count - poolSize, queuedTasks.size());
740	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
741	>	assertTrue(p.isTerminated());
742	>	assertEquals(poolSize, ran.get());
743	>	assertEquals(poolSize, p.getCompletedTaskCount());
744		}
745
746		/**
747	<	* In default setting, shutdown cancels periodic but not delayed
748	<	* tasks at shutdown
749	<	*/
750	<	public void testShutDown1() {
747	>	* shutdownNow returns a list containing tasks that were not run,
748	>	* and those tasks are drained from the queue
749	>	*/
750	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
751	>	final CustomExecutor p = new CustomExecutor(1);
752	>	List<ScheduledFuture> tasks = new ArrayList<>();
753	>	for (int i = 0; i < 3; i++) {
754	>	Runnable r = new NoOpRunnable();
755	>	tasks.add(p.schedule(r, 9, SECONDS));
756	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
757	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
758	>	}
759	>	if (testImplementationDetails)
760	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
761	>	final List<Runnable> queuedTasks;
762		try {
763	<	CustomExecutor p1 = new CustomExecutor(1);
764	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
765	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
631	<
632	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
633	<	for (int i = 0; i < 5; i++)
634	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
635	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
636	<	BlockingQueue q = p1.getQueue();
637	<	for (Iterator it = q.iterator(); it.hasNext();) {
638	<	ScheduledFuture t = (ScheduledFuture)it.next();
639	<	assertFalse(t.isCancelled());
640	<	}
641	<	assertTrue(p1.isShutdown());
642	<	Thread.sleep(SMALL_DELAY_MS);
643	<	for (int i = 0; i < 5; ++i) {
644	<	assertTrue(tasks[i].isDone());
645	<	assertFalse(tasks[i].isCancelled());
646	<	}
647	<
648	<	}
649	<	catch (Exception ex) {
650	<	unexpectedException();
651	<	}
652	<	}
653	<
654	<
655	<	/**
656	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
657	<	* delayed tasks are cancelled at shutdown
658	<	*/
659	<	public void testShutDown2() {
660	<	try {
661	<	CustomExecutor p1 = new CustomExecutor(1);
662	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
663	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
664	<	for (int i = 0; i < 5; i++)
665	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
666	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
667	<	assertTrue(p1.isShutdown());
668	<	BlockingQueue q = p1.getQueue();
669	<	assertTrue(q.isEmpty());
670	<	Thread.sleep(SMALL_DELAY_MS);
671	<	assertTrue(p1.isTerminated());
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
675	<	}
676	<	}
677	<
678	<
679	<	/**
680	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
681	<	* periodic tasks are not cancelled at shutdown
682	<	*/
683	<	public void testShutDown3() {
684	<	try {
685	<	CustomExecutor p1 = new CustomExecutor(1);
686	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
687	<	ScheduledFuture task =
688	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
689	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
690	<	assertTrue(p1.isShutdown());
691	<	BlockingQueue q = p1.getQueue();
692	<	assertTrue(q.isEmpty());
693	<	Thread.sleep(SHORT_DELAY_MS);
694	<	assertTrue(p1.isTerminated());
763	>	queuedTasks = p.shutdownNow();
764	>	} catch (SecurityException ok) {
765	>	return; // Allowed in case test doesn't have privs
766		}
767	<	catch (Exception ex) {
768	<	unexpectedException();
767	>	assertTrue(p.isShutdown());
768	>	assertTrue(p.getQueue().isEmpty());
769	>	if (testImplementationDetails)
770	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
771	>	assertEquals(tasks.size(), queuedTasks.size());
772	>	for (ScheduledFuture task : tasks) {
773	>	assertFalse(((CustomTask)task).ran);
774	>	assertFalse(task.isDone());
775	>	assertFalse(task.isCancelled());
776		}
777	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
778	+	assertTrue(p.isTerminated());
779		}
780
781		/**
782	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
783	<	* periodic tasks are cancelled at shutdown
784	<	*/
785	<	public void testShutDown4() {
786	<	CustomExecutor p1 = new CustomExecutor(1);
787	<	try {
788	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
789	<	ScheduledFuture task =
790	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
791	<	assertFalse(task.isCancelled());
792	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
793	<	assertFalse(task.isCancelled());
794	<	assertFalse(p1.isTerminated());
795	<	assertTrue(p1.isShutdown());
796	<	Thread.sleep(SHORT_DELAY_MS);
797	<	assertFalse(task.isCancelled());
798	<	assertTrue(task.cancel(true));
799	<	assertTrue(task.isDone());
800	<	Thread.sleep(SHORT_DELAY_MS);
801	<	assertTrue(p1.isTerminated());
802	<	}
803	<	catch (Exception ex) {
804	<	unexpectedException();
782	>	* By default, periodic tasks are cancelled at shutdown.
783	>	* By default, delayed tasks keep running after shutdown.
784	>	* Check that changing the default values work:
785	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
786	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
787	>	*/
788	>	public void testShutdown_cancellation() throws Exception {
789	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
790	>	for (Boolean policy : allBooleans)
791	>	{
792	>	final int poolSize = 2;
793	>	final CustomExecutor p = new CustomExecutor(poolSize);
794	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
795	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
796	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
797	>	if (policy != null) {
798	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
799	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
800	>	p.setRemoveOnCancelPolicy(policy);
801	>	}
802	>	assertEquals(effectiveDelayedPolicy,
803	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
804	>	assertEquals(effectivePeriodicPolicy,
805	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
806	>	assertEquals(effectiveRemovePolicy,
807	>	p.getRemoveOnCancelPolicy());
808	>	// Strategy: Wedge the pool with poolSize "blocker" threads
809	>	final AtomicInteger ran = new AtomicInteger(0);
810	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
811	>	final CountDownLatch unblock = new CountDownLatch(1);
812	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
813	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
814	>	Runnable task = new CheckedRunnable() { public void realRun()
815	>	throws InterruptedException {
816	>	poolBlocked.countDown();
817	>	await(unblock);
818	>	ran.getAndIncrement();
819	>	}};
820	>	List<Future<?>> blockers = new ArrayList<>();
821	>	List<Future<?>> periodics = new ArrayList<>();
822	>	List<Future<?>> delayeds = new ArrayList<>();
823	>	for (int i = 0; i < poolSize; i++)
824	>	blockers.add(p.submit(task));
825	>	await(poolBlocked);
826	>
827	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
828	>	1, 1, MILLISECONDS));
829	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
830	>	1, 1, MILLISECONDS));
831	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
832	>
833	>	assertTrue(p.getQueue().containsAll(periodics));
834	>	assertTrue(p.getQueue().containsAll(delayeds));
835	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
836	>	assertTrue(p.isShutdown());
837	>	assertFalse(p.isTerminated());
838	>	for (Future<?> periodic : periodics) {
839	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
840	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
841	>	}
842	>	for (Future<?> delayed : delayeds) {
843	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
844	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
845	>	}
846	>	if (testImplementationDetails) {
847	>	assertEquals(effectivePeriodicPolicy,
848	>	p.getQueue().containsAll(periodics));
849	>	assertEquals(effectiveDelayedPolicy,
850	>	p.getQueue().containsAll(delayeds));
851	>	}
852	>	// Release all pool threads
853	>	unblock.countDown();
854	>
855	>	for (Future<?> delayed : delayeds) {
856	>	if (effectiveDelayedPolicy) {
857	>	assertNull(delayed.get());
858	>	}
859		}
860	<	finally {
861	<	joinPool(p1);
860	>	if (effectivePeriodicPolicy) {
861	>	await(periodicLatch1);
862	>	await(periodicLatch2);
863	>	for (Future<?> periodic : periodics) {
864	>	assertTrue(periodic.cancel(false));
865	>	assertTrue(periodic.isCancelled());
866	>	assertTrue(periodic.isDone());
867	>	}
868		}
869	<	}
869	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
870	>	assertTrue(p.isTerminated());
871	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
872	>	}}
873
874		/**
875		* completed submit of callable returns result
876		*/
877	<	public void testSubmitCallable() {
878	<	ExecutorService e = new CustomExecutor(2);
879	<	try {
877	>	public void testSubmitCallable() throws Exception {
878	>	final ExecutorService e = new CustomExecutor(2);
879	>	try (PoolCleaner cleaner = cleaner(e)) {
880		Future<String> future = e.submit(new StringTask());
881		String result = future.get();
882		assertSame(TEST_STRING, result);
883		}
741	–	catch (ExecutionException ex) {
742	–	unexpectedException();
743	–	}
744	–	catch (InterruptedException ex) {
745	–	unexpectedException();
746	–	} finally {
747	–	joinPool(e);
748	–	}
884		}
885
886		/**
887		* completed submit of runnable returns successfully
888		*/
889	<	public void testSubmitRunnable() {
890	<	ExecutorService e = new CustomExecutor(2);
891	<	try {
889	>	public void testSubmitRunnable() throws Exception {
890	>	final ExecutorService e = new CustomExecutor(2);
891	>	try (PoolCleaner cleaner = cleaner(e)) {
892		Future<?> future = e.submit(new NoOpRunnable());
893		future.get();
894		assertTrue(future.isDone());
895		}
761	–	catch (ExecutionException ex) {
762	–	unexpectedException();
763	–	}
764	–	catch (InterruptedException ex) {
765	–	unexpectedException();
766	–	} finally {
767	–	joinPool(e);
768	–	}
896		}
897
898		/**
899		* completed submit of (runnable, result) returns result
900		*/
901	<	public void testSubmitRunnable2() {
902	<	ExecutorService e = new CustomExecutor(2);
903	<	try {
901	>	public void testSubmitRunnable2() throws Exception {
902	>	final ExecutorService e = new CustomExecutor(2);
903	>	try (PoolCleaner cleaner = cleaner(e)) {
904		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
905		String result = future.get();
906		assertSame(TEST_STRING, result);
907		}
781	–	catch (ExecutionException ex) {
782	–	unexpectedException();
783	–	}
784	–	catch (InterruptedException ex) {
785	–	unexpectedException();
786	–	} finally {
787	–	joinPool(e);
788	–	}
908		}
909
910		/**
911		* invokeAny(null) throws NPE
912		*/
913	<	public void testInvokeAny1() {
914	<	ExecutorService e = new CustomExecutor(2);
915	<	try {
916	<	e.invokeAny(null);
917	<	} catch (NullPointerException success) {
918	<	} catch (Exception ex) {
919	<	unexpectedException();
801	<	} finally {
802	<	joinPool(e);
913	>	public void testInvokeAny1() throws Exception {
914	>	final ExecutorService e = new CustomExecutor(2);
915	>	try (PoolCleaner cleaner = cleaner(e)) {
916	>	try {
917	>	e.invokeAny(null);
918	>	shouldThrow();
919	>	} catch (NullPointerException success) {}
920		}
921		}
922
923		/**
924		* invokeAny(empty collection) throws IAE
925		*/
926	<	public void testInvokeAny2() {
927	<	ExecutorService e = new CustomExecutor(2);
928	<	try {
929	<	e.invokeAny(new ArrayList<Callable<String>>());
930	<	} catch (IllegalArgumentException success) {
931	<	} catch (Exception ex) {
932	<	unexpectedException();
816	<	} finally {
817	<	joinPool(e);
926	>	public void testInvokeAny2() throws Exception {
927	>	final ExecutorService e = new CustomExecutor(2);
928	>	try (PoolCleaner cleaner = cleaner(e)) {
929	>	try {
930	>	e.invokeAny(new ArrayList<Callable<String>>());
931	>	shouldThrow();
932	>	} catch (IllegalArgumentException success) {}
933		}
934		}
935
936		/**
937		* invokeAny(c) throws NPE if c has null elements
938		*/
939	<	public void testInvokeAny3() {
940	<	ExecutorService e = new CustomExecutor(2);
941	<	try {
942	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
943	<	l.add(new StringTask());
939	>	public void testInvokeAny3() throws Exception {
940	>	final CountDownLatch latch = new CountDownLatch(1);
941	>	final ExecutorService e = new CustomExecutor(2);
942	>	try (PoolCleaner cleaner = cleaner(e)) {
943	>	List<Callable<String>> l = new ArrayList<>();
944	>	l.add(latchAwaitingStringTask(latch));
945		l.add(null);
946	<	e.invokeAny(l);
947	<	} catch (NullPointerException success) {
948	<	} catch (Exception ex) {
949	<	unexpectedException();
950	<	} finally {
835	<	joinPool(e);
946	>	try {
947	>	e.invokeAny(l);
948	>	shouldThrow();
949	>	} catch (NullPointerException success) {}
950	>	latch.countDown();
951		}
952		}
953
954		/**
955		* invokeAny(c) throws ExecutionException if no task completes
956		*/
957	<	public void testInvokeAny4() {
958	<	ExecutorService e = new CustomExecutor(2);
959	<	try {
960	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
957	>	public void testInvokeAny4() throws Exception {
958	>	final ExecutorService e = new CustomExecutor(2);
959	>	try (PoolCleaner cleaner = cleaner(e)) {
960	>	List<Callable<String>> l = new ArrayList<>();
961		l.add(new NPETask());
962	<	e.invokeAny(l);
963	<	} catch (ExecutionException success) {
964	<	} catch (Exception ex) {
965	<	unexpectedException();
966	<	} finally {
967	<	joinPool(e);
962	>	try {
963	>	e.invokeAny(l);
964	>	shouldThrow();
965	>	} catch (ExecutionException success) {
966	>	assertTrue(success.getCause() instanceof NullPointerException);
967	>	}
968		}
969		}
970
971		/**
972		* invokeAny(c) returns result of some task
973		*/
974	<	public void testInvokeAny5() {
975	<	ExecutorService e = new CustomExecutor(2);
976	<	try {
977	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
974	>	public void testInvokeAny5() throws Exception {
975	>	final ExecutorService e = new CustomExecutor(2);
976	>	try (PoolCleaner cleaner = cleaner(e)) {
977	>	List<Callable<String>> l = new ArrayList<>();
978		l.add(new StringTask());
979		l.add(new StringTask());
980		String result = e.invokeAny(l);
981		assertSame(TEST_STRING, result);
867	–	} catch (ExecutionException success) {
868	–	} catch (Exception ex) {
869	–	unexpectedException();
870	–	} finally {
871	–	joinPool(e);
982		}
983		}
984
985		/**
986		* invokeAll(null) throws NPE
987		*/
988	<	public void testInvokeAll1() {
989	<	ExecutorService e = new CustomExecutor(2);
990	<	try {
991	<	e.invokeAll(null);
992	<	} catch (NullPointerException success) {
993	<	} catch (Exception ex) {
994	<	unexpectedException();
885	<	} finally {
886	<	joinPool(e);
988	>	public void testInvokeAll1() throws Exception {
989	>	final ExecutorService e = new CustomExecutor(2);
990	>	try (PoolCleaner cleaner = cleaner(e)) {
991	>	try {
992	>	e.invokeAll(null);
993	>	shouldThrow();
994	>	} catch (NullPointerException success) {}
995		}
996		}
997
998		/**
999		* invokeAll(empty collection) returns empty collection
1000		*/
1001	<	public void testInvokeAll2() {
1002	<	ExecutorService e = new CustomExecutor(2);
1003	<	try {
1001	>	public void testInvokeAll2() throws Exception {
1002	>	final ExecutorService e = new CustomExecutor(2);
1003	>	try (PoolCleaner cleaner = cleaner(e)) {
1004		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1005		assertTrue(r.isEmpty());
898	–	} catch (Exception ex) {
899	–	unexpectedException();
900	–	} finally {
901	–	joinPool(e);
1006		}
1007		}
1008
1009		/**
1010		* invokeAll(c) throws NPE if c has null elements
1011		*/
1012	<	public void testInvokeAll3() {
1013	<	ExecutorService e = new CustomExecutor(2);
1014	<	try {
1015	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1012	>	public void testInvokeAll3() throws Exception {
1013	>	final ExecutorService e = new CustomExecutor(2);
1014	>	try (PoolCleaner cleaner = cleaner(e)) {
1015	>	List<Callable<String>> l = new ArrayList<>();
1016		l.add(new StringTask());
1017		l.add(null);
1018	<	e.invokeAll(l);
1019	<	} catch (NullPointerException success) {
1020	<	} catch (Exception ex) {
1021	<	unexpectedException();
918	<	} finally {
919	<	joinPool(e);
1018	>	try {
1019	>	e.invokeAll(l);
1020	>	shouldThrow();
1021	>	} catch (NullPointerException success) {}
1022		}
1023		}
1024
1025		/**
1026		* get of invokeAll(c) throws exception on failed task
1027		*/
1028	<	public void testInvokeAll4() {
1029	<	ExecutorService e = new CustomExecutor(2);
1030	<	try {
1031	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1028	>	public void testInvokeAll4() throws Exception {
1029	>	final ExecutorService e = new CustomExecutor(2);
1030	>	try (PoolCleaner cleaner = cleaner(e)) {
1031	>	List<Callable<String>> l = new ArrayList<>();
1032		l.add(new NPETask());
1033	<	List<Future<String>> result = e.invokeAll(l);
1034	<	assertEquals(1, result.size());
1035	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1036	<	it.next().get();
1037	<	} catch (ExecutionException success) {
1038	<	} catch (Exception ex) {
1039	<	unexpectedException();
1040	<	} finally {
939	<	joinPool(e);
1033	>	List<Future<String>> futures = e.invokeAll(l);
1034	>	assertEquals(1, futures.size());
1035	>	try {
1036	>	futures.get(0).get();
1037	>	shouldThrow();
1038	>	} catch (ExecutionException success) {
1039	>	assertTrue(success.getCause() instanceof NullPointerException);
1040	>	}
1041		}
1042		}
1043
1044		/**
1045		* invokeAll(c) returns results of all completed tasks
1046		*/
1047	<	public void testInvokeAll5() {
1048	<	ExecutorService e = new CustomExecutor(2);
1049	<	try {
1050	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1047	>	public void testInvokeAll5() throws Exception {
1048	>	final ExecutorService e = new CustomExecutor(2);
1049	>	try (PoolCleaner cleaner = cleaner(e)) {
1050	>	List<Callable<String>> l = new ArrayList<>();
1051		l.add(new StringTask());
1052		l.add(new StringTask());
1053	<	List<Future<String>> result = e.invokeAll(l);
1054	<	assertEquals(2, result.size());
1055	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1056	<	assertSame(TEST_STRING, it.next().get());
956	<	} catch (ExecutionException success) {
957	<	} catch (Exception ex) {
958	<	unexpectedException();
959	<	} finally {
960	<	joinPool(e);
1053	>	List<Future<String>> futures = e.invokeAll(l);
1054	>	assertEquals(2, futures.size());
1055	>	for (Future<String> future : futures)
1056	>	assertSame(TEST_STRING, future.get());
1057		}
1058		}
1059
1060		/**
1061		* timed invokeAny(null) throws NPE
1062		*/
1063	<	public void testTimedInvokeAny1() {
1064	<	ExecutorService e = new CustomExecutor(2);
1065	<	try {
1066	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1067	<	} catch (NullPointerException success) {
1068	<	} catch (Exception ex) {
1069	<	unexpectedException();
974	<	} finally {
975	<	joinPool(e);
1063	>	public void testTimedInvokeAny1() throws Exception {
1064	>	final ExecutorService e = new CustomExecutor(2);
1065	>	try (PoolCleaner cleaner = cleaner(e)) {
1066	>	try {
1067	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1068	>	shouldThrow();
1069	>	} catch (NullPointerException success) {}
1070		}
1071		}
1072
1073		/**
1074		* timed invokeAny(,,null) throws NPE
1075		*/
1076	<	public void testTimedInvokeAnyNullTimeUnit() {
1077	<	ExecutorService e = new CustomExecutor(2);
1078	<	try {
1079	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1076	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1077	>	final ExecutorService e = new CustomExecutor(2);
1078	>	try (PoolCleaner cleaner = cleaner(e)) {
1079	>	List<Callable<String>> l = new ArrayList<>();
1080		l.add(new StringTask());
1081	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1082	<	} catch (NullPointerException success) {
1083	<	} catch (Exception ex) {
1084	<	unexpectedException();
991	<	} finally {
992	<	joinPool(e);
1081	>	try {
1082	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1083	>	shouldThrow();
1084	>	} catch (NullPointerException success) {}
1085		}
1086		}
1087
1088		/**
1089		* timed invokeAny(empty collection) throws IAE
1090		*/
1091	<	public void testTimedInvokeAny2() {
1092	<	ExecutorService e = new CustomExecutor(2);
1093	<	try {
1094	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1095	<	} catch (IllegalArgumentException success) {
1096	<	} catch (Exception ex) {
1097	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
1091	>	public void testTimedInvokeAny2() throws Exception {
1092	>	final ExecutorService e = new CustomExecutor(2);
1093	>	try (PoolCleaner cleaner = cleaner(e)) {
1094	>	try {
1095	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1096	>	shouldThrow();
1097	>	} catch (IllegalArgumentException success) {}
1098		}
1099		}
1100
1101		/**
1102		* timed invokeAny(c) throws NPE if c has null elements
1103		*/
1104	<	public void testTimedInvokeAny3() {
1105	<	ExecutorService e = new CustomExecutor(2);
1106	<	try {
1107	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1108	<	l.add(new StringTask());
1104	>	public void testTimedInvokeAny3() throws Exception {
1105	>	CountDownLatch latch = new CountDownLatch(1);
1106	>	final ExecutorService e = new CustomExecutor(2);
1107	>	try (PoolCleaner cleaner = cleaner(e)) {
1108	>	List<Callable<String>> l = new ArrayList<>();
1109	>	l.add(latchAwaitingStringTask(latch));
1110		l.add(null);
1111	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1112	<	} catch (NullPointerException success) {
1113	<	} catch (Exception ex) {
1114	<	ex.printStackTrace();
1115	<	unexpectedException();
1025	<	} finally {
1026	<	joinPool(e);
1111	>	try {
1112	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1113	>	shouldThrow();
1114	>	} catch (NullPointerException success) {}
1115	>	latch.countDown();
1116		}
1117		}
1118
1119		/**
1120		* timed invokeAny(c) throws ExecutionException if no task completes
1121		*/
1122	<	public void testTimedInvokeAny4() {
1123	<	ExecutorService e = new CustomExecutor(2);
1124	<	try {
1125	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1122	>	public void testTimedInvokeAny4() throws Exception {
1123	>	final ExecutorService e = new CustomExecutor(2);
1124	>	try (PoolCleaner cleaner = cleaner(e)) {
1125	>	long startTime = System.nanoTime();
1126	>	List<Callable<String>> l = new ArrayList<>();
1127		l.add(new NPETask());
1128	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1129	<	} catch (ExecutionException success) {
1130	<	} catch (Exception ex) {
1131	<	unexpectedException();
1132	<	} finally {
1133	<	joinPool(e);
1128	>	try {
1129	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1130	>	shouldThrow();
1131	>	} catch (ExecutionException success) {
1132	>	assertTrue(success.getCause() instanceof NullPointerException);
1133	>	}
1134	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1135		}
1136		}
1137
1138		/**
1139		* timed invokeAny(c) returns result of some task
1140		*/
1141	<	public void testTimedInvokeAny5() {
1142	<	ExecutorService e = new CustomExecutor(2);
1143	<	try {
1144	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1141	>	public void testTimedInvokeAny5() throws Exception {
1142	>	final ExecutorService e = new CustomExecutor(2);
1143	>	try (PoolCleaner cleaner = cleaner(e)) {
1144	>	long startTime = System.nanoTime();
1145	>	List<Callable<String>> l = new ArrayList<>();
1146		l.add(new StringTask());
1147		l.add(new StringTask());
1148	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1148	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1149		assertSame(TEST_STRING, result);
1150	<	} catch (ExecutionException success) {
1059	<	} catch (Exception ex) {
1060	<	unexpectedException();
1061	<	} finally {
1062	<	joinPool(e);
1150	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1151		}
1152		}
1153
1154		/**
1155		* timed invokeAll(null) throws NPE
1156		*/
1157	<	public void testTimedInvokeAll1() {
1158	<	ExecutorService e = new CustomExecutor(2);
1159	<	try {
1160	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1161	<	} catch (NullPointerException success) {
1162	<	} catch (Exception ex) {
1163	<	unexpectedException();
1076	<	} finally {
1077	<	joinPool(e);
1157	>	public void testTimedInvokeAll1() throws Exception {
1158	>	final ExecutorService e = new CustomExecutor(2);
1159	>	try (PoolCleaner cleaner = cleaner(e)) {
1160	>	try {
1161	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1162	>	shouldThrow();
1163	>	} catch (NullPointerException success) {}
1164		}
1165		}
1166
1167		/**
1168		* timed invokeAll(,,null) throws NPE
1169		*/
1170	<	public void testTimedInvokeAllNullTimeUnit() {
1171	<	ExecutorService e = new CustomExecutor(2);
1172	<	try {
1173	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1170	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1171	>	final ExecutorService e = new CustomExecutor(2);
1172	>	try (PoolCleaner cleaner = cleaner(e)) {
1173	>	List<Callable<String>> l = new ArrayList<>();
1174		l.add(new StringTask());
1175	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1176	<	} catch (NullPointerException success) {
1177	<	} catch (Exception ex) {
1178	<	unexpectedException();
1093	<	} finally {
1094	<	joinPool(e);
1175	>	try {
1176	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1177	>	shouldThrow();
1178	>	} catch (NullPointerException success) {}
1179		}
1180		}
1181
1182		/**
1183		* timed invokeAll(empty collection) returns empty collection
1184		*/
1185	<	public void testTimedInvokeAll2() {
1186	<	ExecutorService e = new CustomExecutor(2);
1187	<	try {
1188	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1185	>	public void testTimedInvokeAll2() throws Exception {
1186	>	final ExecutorService e = new CustomExecutor(2);
1187	>	try (PoolCleaner cleaner = cleaner(e)) {
1188	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1189		assertTrue(r.isEmpty());
1106	–	} catch (Exception ex) {
1107	–	unexpectedException();
1108	–	} finally {
1109	–	joinPool(e);
1190		}
1191		}
1192
1193		/**
1194		* timed invokeAll(c) throws NPE if c has null elements
1195		*/
1196	<	public void testTimedInvokeAll3() {
1197	<	ExecutorService e = new CustomExecutor(2);
1198	<	try {
1199	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1196	>	public void testTimedInvokeAll3() throws Exception {
1197	>	final ExecutorService e = new CustomExecutor(2);
1198	>	try (PoolCleaner cleaner = cleaner(e)) {
1199	>	List<Callable<String>> l = new ArrayList<>();
1200		l.add(new StringTask());
1201		l.add(null);
1202	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1203	<	} catch (NullPointerException success) {
1204	<	} catch (Exception ex) {
1205	<	unexpectedException();
1126	<	} finally {
1127	<	joinPool(e);
1202	>	try {
1203	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1204	>	shouldThrow();
1205	>	} catch (NullPointerException success) {}
1206		}
1207		}
1208
1209		/**
1210		* get of element of invokeAll(c) throws exception on failed task
1211		*/
1212	<	public void testTimedInvokeAll4() {
1213	<	ExecutorService e = new CustomExecutor(2);
1214	<	try {
1215	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1212	>	public void testTimedInvokeAll4() throws Exception {
1213	>	final ExecutorService e = new CustomExecutor(2);
1214	>	try (PoolCleaner cleaner = cleaner(e)) {
1215	>	List<Callable<String>> l = new ArrayList<>();
1216		l.add(new NPETask());
1217	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1218	<	assertEquals(1, result.size());
1219	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1220	<	it.next().get();
1221	<	} catch (ExecutionException success) {
1222	<	} catch (Exception ex) {
1223	<	unexpectedException();
1224	<	} finally {
1225	<	joinPool(e);
1217	>	List<Future<String>> futures =
1218	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1219	>	assertEquals(1, futures.size());
1220	>	try {
1221	>	futures.get(0).get();
1222	>	shouldThrow();
1223	>	} catch (ExecutionException success) {
1224	>	assertTrue(success.getCause() instanceof NullPointerException);
1225	>	}
1226		}
1227		}
1228
1229		/**
1230		* timed invokeAll(c) returns results of all completed tasks
1231		*/
1232	<	public void testTimedInvokeAll5() {
1233	<	ExecutorService e = new CustomExecutor(2);
1234	<	try {
1235	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1232	>	public void testTimedInvokeAll5() throws Exception {
1233	>	final ExecutorService e = new CustomExecutor(2);
1234	>	try (PoolCleaner cleaner = cleaner(e)) {
1235	>	List<Callable<String>> l = new ArrayList<>();
1236		l.add(new StringTask());
1237		l.add(new StringTask());
1238	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1239	<	assertEquals(2, result.size());
1240	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1241	<	assertSame(TEST_STRING, it.next().get());
1242	<	} catch (ExecutionException success) {
1165	<	} catch (Exception ex) {
1166	<	unexpectedException();
1167	<	} finally {
1168	<	joinPool(e);
1238	>	List<Future<String>> futures =
1239	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1240	>	assertEquals(2, futures.size());
1241	>	for (Future<String> future : futures)
1242	>	assertSame(TEST_STRING, future.get());
1243		}
1244		}
1245
1246		/**
1247		* timed invokeAll(c) cancels tasks not completed by timeout
1248		*/
1249	<	public void testTimedInvokeAll6() {
1250	<	ExecutorService e = new CustomExecutor(2);
1251	<	try {
1252	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1253	<	l.add(new StringTask());
1254	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1255	<	l.add(new StringTask());
1256	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1257	<	assertEquals(3, result.size());
1258	<	Iterator<Future<String>> it = result.iterator();
1259	<	Future<String> f1 = it.next();
1260	<	Future<String> f2 = it.next();
1261	<	Future<String> f3 = it.next();
1262	<	assertTrue(f1.isDone());
1263	<	assertTrue(f2.isDone());
1264	<	assertTrue(f3.isDone());
1265	<	assertFalse(f1.isCancelled());
1266	<	assertTrue(f2.isCancelled());
1267	<	} catch (Exception ex) {
1268	<	unexpectedException();
1269	<	} finally {
1270	<	joinPool(e);
1249	>	public void testTimedInvokeAll6() throws Exception {
1250	>	for (long timeout = timeoutMillis();;) {
1251	>	final CountDownLatch done = new CountDownLatch(1);
1252	>	final Callable<String> waiter = new CheckedCallable<String>() {
1253	>	public String realCall() {
1254	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1255	>	catch (InterruptedException ok) {}
1256	>	return "1"; }};
1257	>	final ExecutorService p = new CustomExecutor(2);
1258	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1259	>	List<Callable<String>> tasks = new ArrayList<>();
1260	>	tasks.add(new StringTask("0"));
1261	>	tasks.add(waiter);
1262	>	tasks.add(new StringTask("2"));
1263	>	long startTime = System.nanoTime();
1264	>	List<Future<String>> futures =
1265	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1266	>	assertEquals(tasks.size(), futures.size());
1267	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1268	>	for (Future future : futures)
1269	>	assertTrue(future.isDone());
1270	>	assertTrue(futures.get(1).isCancelled());
1271	>	try {
1272	>	assertEquals("0", futures.get(0).get());
1273	>	assertEquals("2", futures.get(2).get());
1274	>	break;
1275	>	} catch (CancellationException retryWithLongerTimeout) {
1276	>	timeout *= 2;
1277	>	if (timeout >= LONG_DELAY_MS / 2)
1278	>	fail("expected exactly one task to be cancelled");
1279	>	}
1280	>	}
1281		}
1282		}
1283
1200	–
1284		}

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