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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.1 by dl, Fri May 20 16:30:17 2005 UTC vs.
Revision 1.47 by jsr166, Mon Oct 5 20:45:41 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.util.concurrent.atomic.*;
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.SECONDS;
9	>
10	>	import java.util.ArrayList;
11	>	import java.util.HashSet;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CancellationException;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.Delayed;
18	>	import java.util.concurrent.ExecutionException;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.Future;
22	>	import java.util.concurrent.RejectedExecutionException;
23	>	import java.util.concurrent.RejectedExecutionHandler;
24	>	import java.util.concurrent.RunnableScheduledFuture;
25	>	import java.util.concurrent.ScheduledFuture;
26	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
27	>	import java.util.concurrent.ThreadFactory;
28	>	import java.util.concurrent.ThreadPoolExecutor;
29	>	import java.util.concurrent.TimeoutException;
30	>	import java.util.concurrent.TimeUnit;
31	>	import java.util.concurrent.atomic.AtomicInteger;
32	>
33	>	import junit.framework.Test;
34	>	import junit.framework.TestSuite;
35
36		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run (suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41	<	return new TestSuite(ScheduledExecutorTest.class);
41	>	return new TestSuite(ScheduledExecutorSubclassTest.class);
42		}
43
44	<	static class CustomTask<V> implements RunnableScheduledFuture<V> {
44	>	static class CustomTask<V> implements RunnableScheduledFuture<V> {
45		RunnableScheduledFuture<V> task;
46		volatile boolean ran;
47		CustomTask(RunnableScheduledFuture<V> t) { task = t; }
48		public boolean isPeriodic() { return task.isPeriodic(); }
49	<	public void run() {
49	>	public void run() {
50		ran = true;
51	<	task.run();
51	>	task.run();
52		}
53		public long getDelay(TimeUnit unit) { return task.getDelay(unit); }
54		public int compareTo(Delayed t) {
55	<	return task.compareTo(((CustomTask)t).task);
55	>	return task.compareTo(((CustomTask)t).task);
56		}
57		public boolean cancel(boolean mayInterruptIfRunning) {
58		return task.cancel(mayInterruptIfRunning);
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		}
49	–
73
74		public class CustomExecutor extends ScheduledThreadPoolExecutor {
75
#	Line 57 | Line 80 | public class ScheduledExecutorSubclassTe
80		protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
81		return new CustomTask<V>(task);
82		}
83	<	CustomExecutor(int corePoolSize) { super(corePoolSize);}
83	>	CustomExecutor(int corePoolSize) { super(corePoolSize); }
84		CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
85		super(corePoolSize, handler);
86		}
#	Line 65 | Line 88 | public class ScheduledExecutorSubclassTe
88		CustomExecutor(int corePoolSize, ThreadFactory threadFactory) {
89		super(corePoolSize, threadFactory);
90		}
91	<	CustomExecutor(int corePoolSize, ThreadFactory threadFactory,
91	>	CustomExecutor(int corePoolSize, ThreadFactory threadFactory,
92		RejectedExecutionHandler handler) {
93		super(corePoolSize, threadFactory, handler);
94		}
72	–
73	–	}
74	–
95
96	+	}
97
98		/**
99		* execute successfully executes a runnable
100		*/
101	<	public void testExecute() {
102	<	try {
103	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
104	<	CustomExecutor p1 = new CustomExecutor(1);
105	<	p1.execute(runnable);
106	<	assertFalse(runnable.done);
107	<	Thread.sleep(SHORT_DELAY_MS);
108	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
88	<	try {
89	<	Thread.sleep(MEDIUM_DELAY_MS);
90	<	} catch(InterruptedException e){
91	<	unexpectedException();
92	<	}
93	<	assertTrue(runnable.done);
94	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
95	<	joinPool(p1);
96	<	}
97	<	catch(Exception e){
98	<	unexpectedException();
101	>	public void testExecute() throws InterruptedException {
102	>	final CustomExecutor p = new CustomExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final CountDownLatch done = new CountDownLatch(1);
105	>	final Runnable task = new CheckedRunnable() {
106	>	public void realRun() { done.countDown(); }};
107	>	p.execute(task);
108	>	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
109		}
100	–
110		}
111
103	–
112		/**
113		* delayed schedule of callable successfully executes after delay
114		*/
115	<	public void testSchedule1() {
116	<	try {
117	<	TrackedCallable callable = new TrackedCallable();
118	<	CustomExecutor p1 = new CustomExecutor(1);
119	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
120	<	assertFalse(callable.done);
121	<	Thread.sleep(MEDIUM_DELAY_MS);
122	<	assertTrue(callable.done);
123	<	assertEquals(Boolean.TRUE, f.get());
124	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
125	<	joinPool(p1);
126	<	} catch(RejectedExecutionException e){}
127	<	catch(Exception e){
128	<	e.printStackTrace();
129	<	unexpectedException();
115	>	public void testSchedule1() throws Exception {
116	>	final CustomExecutor p = new CustomExecutor(1);
117	>	try (PoolCleaner cleaner = cleaner(p)) {
118	>	final long startTime = System.nanoTime();
119	>	final CountDownLatch done = new CountDownLatch(1);
120	>	Callable task = new CheckedCallable<Boolean>() {
121	>	public Boolean realCall() {
122	>	done.countDown();
123	>	assertTrue(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	>	assertTrue(done.await(0L, MILLISECONDS));
130		}
131		}
132
133		/**
134	<	*  delayed schedule of runnable successfully executes after delay
135	<	*/
136	<	public void testSchedule3() {
137	<	try {
138	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
139	<	CustomExecutor p1 = new CustomExecutor(1);
140	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
141	<	Thread.sleep(SHORT_DELAY_MS);
142	<	assertFalse(runnable.done);
143	<	Thread.sleep(MEDIUM_DELAY_MS);
144	<	assertTrue(runnable.done);
145	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
146	<	joinPool(p1);
147	<	} catch(Exception e){
148	<	unexpectedException();
134	>	* delayed schedule of runnable successfully executes after delay
135	>	*/
136	>	public void testSchedule3() throws Exception {
137	>	final CustomExecutor p = new CustomExecutor(1);
138	>	try (PoolCleaner cleaner = cleaner(p)) {
139	>	final long startTime = System.nanoTime();
140	>	final CountDownLatch done = new CountDownLatch(1);
141	>	Runnable task = new CheckedRunnable() {
142	>	public void realRun() {
143	>	done.countDown();
144	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
145	>	}};
146	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
147	>	await(done);
148	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
149	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
150		}
151		}
152	<
152	>
153		/**
154		* scheduleAtFixedRate executes runnable after given initial delay
155		*/
156	<	public void testSchedule4() {
157	<	try {
158	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
159	<	CustomExecutor p1 = new CustomExecutor(1);
160	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
161	<	assertFalse(runnable.done);
162	<	Thread.sleep(MEDIUM_DELAY_MS);
163	<	assertTrue(runnable.done);
164	<	h.cancel(true);
165	<	joinPool(p1);
166	<	} catch(Exception e){
167	<	unexpectedException();
156	>	public void testSchedule4() throws InterruptedException {
157	>	final CustomExecutor p = new CustomExecutor(1);
158	>	try (PoolCleaner cleaner = cleaner(p)) {
159	>	final long startTime = System.nanoTime();
160	>	final CountDownLatch done = new CountDownLatch(1);
161	>	Runnable task = new CheckedRunnable() {
162	>	public void realRun() {
163	>	done.countDown();
164	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
165	>	}};
166	>	ScheduledFuture f =
167	>	p.scheduleAtFixedRate(task, timeoutMillis(),
168	>	LONG_DELAY_MS, MILLISECONDS);
169	>	await(done);
170	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
171	>	f.cancel(true);
172		}
173		}
174
162	–	static class RunnableCounter implements Runnable {
163	–	AtomicInteger count = new AtomicInteger(0);
164	–	public void run() { count.getAndIncrement(); }
165	–	}
166	–
175		/**
176		* scheduleWithFixedDelay executes runnable after given initial delay
177		*/
178	<	public void testSchedule5() {
179	<	try {
180	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
181	<	CustomExecutor p1 = new CustomExecutor(1);
182	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
183	<	assertFalse(runnable.done);
184	<	Thread.sleep(MEDIUM_DELAY_MS);
185	<	assertTrue(runnable.done);
186	<	h.cancel(true);
187	<	joinPool(p1);
188	<	} catch(Exception e){
189	<	unexpectedException();
178	>	public void testSchedule5() throws InterruptedException {
179	>	final CustomExecutor p = new CustomExecutor(1);
180	>	try (PoolCleaner cleaner = cleaner(p)) {
181	>	final long startTime = System.nanoTime();
182	>	final CountDownLatch done = new CountDownLatch(1);
183	>	Runnable task = new CheckedRunnable() {
184	>	public void realRun() {
185	>	done.countDown();
186	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
187	>	}};
188	>	ScheduledFuture f =
189	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
190	>	LONG_DELAY_MS, MILLISECONDS);
191	>	await(done);
192	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
193	>	f.cancel(true);
194		}
195		}
196	<
196	>
197	>	static class RunnableCounter implements Runnable {
198	>	AtomicInteger count = new AtomicInteger(0);
199	>	public void run() { count.getAndIncrement(); }
200	>	}
201	>
202		/**
203		* scheduleAtFixedRate executes series of tasks at given rate
204		*/
205	<	public void testFixedRateSequence() {
206	<	try {
207	<	CustomExecutor p1 = new CustomExecutor(1);
208	<	RunnableCounter counter = new RunnableCounter();
209	<	ScheduledFuture h =
210	<	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
211	<	Thread.sleep(SMALL_DELAY_MS);
212	<	h.cancel(true);
213	<	int c = counter.count.get();
214	<	// By time scaling conventions, we must have at least
215	<	// an execution per SHORT delay, but no more than one SHORT more
216	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
217	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
218	<	joinPool(p1);
219	<	} catch(Exception e){
220	<	unexpectedException();
205	>	public void testFixedRateSequence() throws InterruptedException {
206	>	final CustomExecutor p = new CustomExecutor(1);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
209	>	long startTime = System.nanoTime();
210	>	int cycles = 10;
211	>	final CountDownLatch done = new CountDownLatch(cycles);
212	>	Runnable task = new CheckedRunnable() {
213	>	public void realRun() { done.countDown(); }};
214	>	ScheduledFuture h =
215	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
216	>	done.await();
217	>	h.cancel(true);
218	>	double normalizedTime =
219	>	(double) millisElapsedSince(startTime) / delay;
220	>	if (normalizedTime >= cycles - 1 &&
221	>	normalizedTime <= cycles)
222	>	return;
223	>	}
224	>	throw new AssertionError("unexpected execution rate");
225		}
226		}
227
228		/**
229		* scheduleWithFixedDelay executes series of tasks with given period
230		*/
231	<	public void testFixedDelaySequence() {
232	<	try {
233	<	CustomExecutor p1 = new CustomExecutor(1);
234	<	RunnableCounter counter = new RunnableCounter();
235	<	ScheduledFuture h =
236	<	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
237	<	Thread.sleep(SMALL_DELAY_MS);
238	<	h.cancel(true);
239	<	int c = counter.count.get();
240	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
241	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
242	<	joinPool(p1);
243	<	} catch(Exception e){
244	<	unexpectedException();
231	>	public void testFixedDelaySequence() throws InterruptedException {
232	>	final CustomExecutor p = new CustomExecutor(1);
233	>	try (PoolCleaner cleaner = cleaner(p)) {
234	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
235	>	long startTime = System.nanoTime();
236	>	int cycles = 10;
237	>	final CountDownLatch done = new CountDownLatch(cycles);
238	>	Runnable task = new CheckedRunnable() {
239	>	public void realRun() { done.countDown(); }};
240	>	ScheduledFuture h =
241	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
242	>	done.await();
243	>	h.cancel(true);
244	>	double normalizedTime =
245	>	(double) millisElapsedSince(startTime) / delay;
246	>	if (normalizedTime >= cycles - 1 &&
247	>	normalizedTime <= cycles)
248	>	return;
249	>	}
250	>	throw new AssertionError("unexpected execution rate");
251		}
252		}
253
227	–
254		/**
255	<	*  execute (null) throws NPE
255	>	* execute(null) throws NPE
256		*/
257	<	public void testExecuteNull() {
258	<	CustomExecutor se = null;
259	<	try {
260	<	se = new CustomExecutor(1);
261	<	se.execute(null);
262	<	shouldThrow();
263	<	} catch(NullPointerException success){}
238	<	catch(Exception e){
239	<	unexpectedException();
257	>	public void testExecuteNull() throws InterruptedException {
258	>	final CustomExecutor p = new CustomExecutor(1);
259	>	try (PoolCleaner cleaner = cleaner(p)) {
260	>	try {
261	>	p.execute(null);
262	>	shouldThrow();
263	>	} catch (NullPointerException success) {}
264		}
241	–
242	–	joinPool(se);
265		}
266
267		/**
268	<	* schedule (null) throws NPE
268	>	* schedule(null) throws NPE
269		*/
270	<	public void testScheduleNull() {
271	<	CustomExecutor se = new CustomExecutor(1);
272	<	try {
273	<	TrackedCallable callable = null;
274	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
275	<	shouldThrow();
276	<	} catch(NullPointerException success){}
277	<	catch(Exception e){
256	<	unexpectedException();
270	>	public void testScheduleNull() throws InterruptedException {
271	>	final CustomExecutor p = new CustomExecutor(1);
272	>	try (PoolCleaner cleaner = cleaner(p)) {
273	>	try {
274	>	TrackedCallable callable = null;
275	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
276	>	shouldThrow();
277	>	} catch (NullPointerException success) {}
278		}
258	–	joinPool(se);
279		}
280	<
280	>
281		/**
282		* execute throws RejectedExecutionException if shutdown
283		*/
284		public void testSchedule1_RejectedExecutionException() {
285	<	CustomExecutor se = new CustomExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpRunnable(),
289	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
290	<	shouldThrow();
291	<	} catch(RejectedExecutionException success){
292	<	} catch (SecurityException ok) {
285	>	final CustomExecutor p = new CustomExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpRunnable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294		}
274	–
275	–	joinPool(se);
276	–
295		}
296
297		/**
298		* schedule throws RejectedExecutionException if shutdown
299		*/
300		public void testSchedule2_RejectedExecutionException() {
301	<	CustomExecutor se = new CustomExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.schedule(new NoOpCallable(),
305	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
306	<	shouldThrow();
307	<	} catch(RejectedExecutionException success){
308	<	} catch (SecurityException ok) {
301	>	final CustomExecutor p = new CustomExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.schedule(new NoOpCallable(),
306	>	MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310		}
292	–	joinPool(se);
311		}
312
313		/**
314		* schedule callable throws RejectedExecutionException if shutdown
315		*/
316	<	public void testSchedule3_RejectedExecutionException() {
317	<	CustomExecutor se = new CustomExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.schedule(new NoOpCallable(),
321	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
322	<	shouldThrow();
323	<	} catch(RejectedExecutionException success){
324	<	} catch (SecurityException ok) {
316	>	public void testSchedule3_RejectedExecutionException() {
317	>	final CustomExecutor p = new CustomExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.schedule(new NoOpCallable(),
322	>	MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326		}
308	–	joinPool(se);
327		}
328
329		/**
330	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
330	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
331		*/
332		public void testScheduleAtFixedRate1_RejectedExecutionException() {
333	<	CustomExecutor se = new CustomExecutor(1);
334	<	try {
335	<	se.shutdown();
336	<	se.scheduleAtFixedRate(new NoOpRunnable(),
337	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
338	<	shouldThrow();
339	<	} catch(RejectedExecutionException success){
340	<	} catch (SecurityException ok) {
341	<	}
342	<	joinPool(se);
333	>	final CustomExecutor p = new CustomExecutor(1);
334	>	try (PoolCleaner cleaner = cleaner(p)) {
335	>	try {
336	>	p.shutdown();
337	>	p.scheduleAtFixedRate(new NoOpRunnable(),
338	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
339	>	shouldThrow();
340	>	} catch (RejectedExecutionException success) {
341	>	} catch (SecurityException ok) {}
342	>	}
343		}
344	<
344	>
345		/**
346		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
347		*/
348		public void testScheduleWithFixedDelay1_RejectedExecutionException() {
349	<	CustomExecutor se = new CustomExecutor(1);
350	<	try {
351	<	se.shutdown();
352	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
353	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
354	<	shouldThrow();
355	<	} catch(RejectedExecutionException success){
356	<	} catch (SecurityException ok) {
357	<	}
358	<	joinPool(se);
349	>	final CustomExecutor p = new CustomExecutor(1);
350	>	try (PoolCleaner cleaner = cleaner(p)) {
351	>	try {
352	>	p.shutdown();
353	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
354	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
355	>	shouldThrow();
356	>	} catch (RejectedExecutionException success) {
357	>	} catch (SecurityException ok) {}
358	>	}
359		}
360
361		/**
362	<	*  getActiveCount increases but doesn't overestimate, when a
363	<	*  thread becomes active
364	<	*/
365	<	public void testGetActiveCount() {
366	<	CustomExecutor p2 = new CustomExecutor(2);
367	<	assertEquals(0, p2.getActiveCount());
368	<	p2.execute(new SmallRunnable());
369	<	try {
370	<	Thread.sleep(SHORT_DELAY_MS);
371	<	} catch(Exception e){
372	<	unexpectedException();
373	<	}
374	<	assertEquals(1, p2.getActiveCount());
375	<	joinPool(p2);
376	<	}
377	<
378	<	/**
379	<	*    getCompletedTaskCount increases, but doesn't overestimate,
362	<	*   when tasks complete
363	<	*/
364	<	public void testGetCompletedTaskCount() {
365	<	CustomExecutor p2 = new CustomExecutor(2);
366	<	assertEquals(0, p2.getCompletedTaskCount());
367	<	p2.execute(new SmallRunnable());
368	<	try {
369	<	Thread.sleep(MEDIUM_DELAY_MS);
370	<	} catch(Exception e){
371	<	unexpectedException();
362	>	* getActiveCount increases but doesn't overestimate, when a
363	>	* thread becomes active
364	>	*/
365	>	public void testGetActiveCount() throws InterruptedException {
366	>	final ThreadPoolExecutor p = new CustomExecutor(2);
367	>	try (PoolCleaner cleaner = cleaner(p)) {
368	>	final CountDownLatch threadStarted = new CountDownLatch(1);
369	>	final CountDownLatch done = new CountDownLatch(1);
370	>	assertEquals(0, p.getActiveCount());
371	>	p.execute(new CheckedRunnable() {
372	>	public void realRun() throws InterruptedException {
373	>	threadStarted.countDown();
374	>	assertEquals(1, p.getActiveCount());
375	>	done.await();
376	>	}});
377	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
378	>	assertEquals(1, p.getActiveCount());
379	>	done.countDown();
380		}
373	–	assertEquals(1, p2.getCompletedTaskCount());
374	–	joinPool(p2);
381		}
382	<
382	>
383		/**
384	<	*  getCorePoolSize returns size given in constructor if not otherwise set
384	>	* getCompletedTaskCount increases, but doesn't overestimate,
385	>	* when tasks complete
386	>	*/
387	>	public void testGetCompletedTaskCount() throws InterruptedException {
388	>	final ThreadPoolExecutor p = new CustomExecutor(2);
389	>	try (PoolCleaner cleaner = cleaner(p)) {
390	>	final CountDownLatch threadStarted = new CountDownLatch(1);
391	>	final CountDownLatch threadProceed = new CountDownLatch(1);
392	>	final CountDownLatch threadDone = new CountDownLatch(1);
393	>	assertEquals(0, p.getCompletedTaskCount());
394	>	p.execute(new CheckedRunnable() {
395	>	public void realRun() throws InterruptedException {
396	>	threadStarted.countDown();
397	>	assertEquals(0, p.getCompletedTaskCount());
398	>	threadProceed.await();
399	>	threadDone.countDown();
400	>	}});
401	>	await(threadStarted);
402	>	assertEquals(0, p.getCompletedTaskCount());
403	>	threadProceed.countDown();
404	>	threadDone.await();
405	>	long startTime = System.nanoTime();
406	>	while (p.getCompletedTaskCount() != 1) {
407	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
408	>	fail("timed out");
409	>	Thread.yield();
410	>	}
411	>	}
412	>	}
413	>
414	>	/**
415	>	* getCorePoolSize returns size given in constructor if not otherwise set
416		*/
417		public void testGetCorePoolSize() {
418	<	CustomExecutor p1 = new CustomExecutor(1);
419	<	assertEquals(1, p1.getCorePoolSize());
420	<	joinPool(p1);
421	<	}
422	<
423	<	/**
424	<	*    getLargestPoolSize increases, but doesn't overestimate, when
425	<	*   multiple threads active
426	<	*/
427	<	public void testGetLargestPoolSize() {
428	<	CustomExecutor p2 = new CustomExecutor(2);
429	<	assertEquals(0, p2.getLargestPoolSize());
430	<	p2.execute(new SmallRunnable());
431	<	p2.execute(new SmallRunnable());
432	<	try {
433	<	Thread.sleep(SHORT_DELAY_MS);
434	<	} catch(Exception e){
435	<	unexpectedException();
436	<	}
437	<	assertEquals(2, p2.getLargestPoolSize());
438	<	joinPool(p2);
439	<	}
440	<
441	<	/**
442	<	*   getPoolSize increases, but doesn't overestimate, when threads
443	<	*   become active
444	<	*/
445	<	public void testGetPoolSize() {
446	<	CustomExecutor p1 = new CustomExecutor(1);
447	<	assertEquals(0, p1.getPoolSize());
448	<	p1.execute(new SmallRunnable());
449	<	assertEquals(1, p1.getPoolSize());
450	<	joinPool(p1);
451	<	}
452	<
453	<	/**
454	<	*    getTaskCount increases, but doesn't overestimate, when tasks
455	<	*    submitted
456	<	*/
457	<	public void testGetTaskCount() {
458	<	CustomExecutor p1 = new CustomExecutor(1);
459	<	assertEquals(0, p1.getTaskCount());
460	<	for(int i = 0; i < 5; i++)
461	<	p1.execute(new SmallRunnable());
462	<	try {
463	<	Thread.sleep(SHORT_DELAY_MS);
464	<	} catch(Exception e){
465	<	unexpectedException();
418	>	final CustomExecutor p = new CustomExecutor(1);
419	>	try (PoolCleaner cleaner = cleaner(p)) {
420	>	assertEquals(1, p.getCorePoolSize());
421	>	}
422	>	}
423	>
424	>	/**
425	>	* getLargestPoolSize increases, but doesn't overestimate, when
426	>	* multiple threads active
427	>	*/
428	>	public void testGetLargestPoolSize() throws InterruptedException {
429	>	final int THREADS = 3;
430	>	final ThreadPoolExecutor p = new CustomExecutor(THREADS);
431	>	try (PoolCleaner cleaner = cleaner(p)) {
432	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
433	>	final CountDownLatch done = new CountDownLatch(1);
434	>	assertEquals(0, p.getLargestPoolSize());
435	>	for (int i = 0; i < THREADS; i++)
436	>	p.execute(new CheckedRunnable() {
437	>	public void realRun() throws InterruptedException {
438	>	threadsStarted.countDown();
439	>	done.await();
440	>	assertEquals(THREADS, p.getLargestPoolSize());
441	>	}});
442	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
443	>	assertEquals(THREADS, p.getLargestPoolSize());
444	>	done.countDown();
445	>	}
446	>	assertEquals(THREADS, p.getLargestPoolSize());
447	>	}
448	>
449	>	/**
450	>	* getPoolSize increases, but doesn't overestimate, when threads
451	>	* become active
452	>	*/
453	>	public void testGetPoolSize() throws InterruptedException {
454	>	final ThreadPoolExecutor p = new CustomExecutor(1);
455	>	try (PoolCleaner cleaner = cleaner(p)) {
456	>	final CountDownLatch threadStarted = new CountDownLatch(1);
457	>	final CountDownLatch done = new CountDownLatch(1);
458	>	assertEquals(0, p.getPoolSize());
459	>	p.execute(new CheckedRunnable() {
460	>	public void realRun() throws InterruptedException {
461	>	threadStarted.countDown();
462	>	assertEquals(1, p.getPoolSize());
463	>	done.await();
464	>	}});
465	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
466	>	assertEquals(1, p.getPoolSize());
467	>	done.countDown();
468	>	}
469	>	}
470	>
471	>	/**
472	>	* getTaskCount increases, but doesn't overestimate, when tasks
473	>	* submitted
474	>	*/
475	>	public void testGetTaskCount() throws InterruptedException {
476	>	final ThreadPoolExecutor p = new CustomExecutor(1);
477	>	try (PoolCleaner cleaner = cleaner(p)) {
478	>	final CountDownLatch threadStarted = new CountDownLatch(1);
479	>	final CountDownLatch done = new CountDownLatch(1);
480	>	final int TASKS = 5;
481	>	assertEquals(0, p.getTaskCount());
482	>	for (int i = 0; i < TASKS; i++)
483	>	p.execute(new CheckedRunnable() {
484	>	public void realRun() throws InterruptedException {
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
489	>	assertEquals(TASKS, p.getTaskCount());
490	>	done.countDown();
491		}
430	–	assertEquals(5, p1.getTaskCount());
431	–	joinPool(p1);
492		}
493
494	<	/**
494	>	/**
495		* getThreadFactory returns factory in constructor if not set
496		*/
497		public void testGetThreadFactory() {
498	<	ThreadFactory tf = new SimpleThreadFactory();
499	<	CustomExecutor p = new CustomExecutor(1, tf);
500	<	assertSame(tf, p.getThreadFactory());
501	<	joinPool(p);
498	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
499	>	final CustomExecutor p = new CustomExecutor(1, threadFactory);
500	>	try (PoolCleaner cleaner = cleaner(p)) {
501	>	assertSame(threadFactory, p.getThreadFactory());
502	>	}
503		}
504
505	<	/**
505	>	/**
506		* setThreadFactory sets the thread factory returned by getThreadFactory
507		*/
508		public void testSetThreadFactory() {
509	<	ThreadFactory tf = new SimpleThreadFactory();
510	<	CustomExecutor p = new CustomExecutor(1);
511	<	p.setThreadFactory(tf);
512	<	assertSame(tf, p.getThreadFactory());
513	<	joinPool(p);
509	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
510	>	final CustomExecutor p = new CustomExecutor(1);
511	>	try (PoolCleaner cleaner = cleaner(p)) {
512	>	p.setThreadFactory(threadFactory);
513	>	assertSame(threadFactory, p.getThreadFactory());
514	>	}
515		}
516
517	<	/**
517	>	/**
518		* setThreadFactory(null) throws NPE
519		*/
520		public void testSetThreadFactoryNull() {
521	<	CustomExecutor p = new CustomExecutor(1);
522	<	try {
523	<	p.setThreadFactory(null);
524	<	shouldThrow();
525	<	} catch (NullPointerException success) {
526	<	} finally {
465	<	joinPool(p);
521	>	final CustomExecutor p = new CustomExecutor(1);
522	>	try (PoolCleaner cleaner = cleaner(p)) {
523	>	try {
524	>	p.setThreadFactory(null);
525	>	shouldThrow();
526	>	} catch (NullPointerException success) {}
527		}
528		}
529	<
529	>
530		/**
531	<	*   is isShutDown is false before shutdown, true after
531	>	* isShutdown is false before shutdown, true after
532		*/
533		public void testIsShutdown() {
534	<
535	<	CustomExecutor p1 = new CustomExecutor(1);
536	<	try {
537	<	assertFalse(p1.isShutdown());
538	<	}
478	<	finally {
479	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
534	>	final CustomExecutor p = new CustomExecutor(1);
535	>	try (PoolCleaner cleaner = cleaner(p)) {
536	>	assertFalse(p.isShutdown());
537	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
538	>	assertTrue(p.isShutdown());
539		}
481	–	assertTrue(p1.isShutdown());
540		}
541
484	–
542		/**
543	<	*   isTerminated is false before termination, true after
544	<	*/
545	<	public void testIsTerminated() {
546	<	CustomExecutor p1 = new CustomExecutor(1);
547	<	try {
548	<	p1.execute(new SmallRunnable());
549	<	} finally {
550	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
543	>	* isTerminated is false before termination, true after
544	>	*/
545	>	public void testIsTerminated() throws InterruptedException {
546	>	final ThreadPoolExecutor p = new CustomExecutor(1);
547	>	try (PoolCleaner cleaner = cleaner(p)) {
548	>	final CountDownLatch threadStarted = new CountDownLatch(1);
549	>	final CountDownLatch done = new CountDownLatch(1);
550	>	assertFalse(p.isTerminated());
551	>	p.execute(new CheckedRunnable() {
552	>	public void realRun() throws InterruptedException {
553	>	assertFalse(p.isTerminated());
554	>	threadStarted.countDown();
555	>	done.await();
556	>	}});
557	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
558	>	assertFalse(p.isTerminating());
559	>	done.countDown();
560	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
561	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
562	>	assertTrue(p.isTerminated());
563		}
495	–	try {
496	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
497	–	assertTrue(p1.isTerminated());
498	–	} catch(Exception e){
499	–	unexpectedException();
500	–	}
564		}
565
566		/**
567	<	*  isTerminating is not true when running or when terminated
568	<	*/
569	<	public void testIsTerminating() {
570	<	CustomExecutor p1 = new CustomExecutor(1);
571	<	assertFalse(p1.isTerminating());
572	<	try {
573	<	p1.execute(new SmallRunnable());
574	<	assertFalse(p1.isTerminating());
575	<	} finally {
576	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
567	>	* isTerminating is not true when running or when terminated
568	>	*/
569	>	public void testIsTerminating() throws InterruptedException {
570	>	final ThreadPoolExecutor p = new CustomExecutor(1);
571	>	try (PoolCleaner cleaner = cleaner(p)) {
572	>	final CountDownLatch threadStarted = new CountDownLatch(1);
573	>	final CountDownLatch done = new CountDownLatch(1);
574	>	assertFalse(p.isTerminating());
575	>	p.execute(new CheckedRunnable() {
576	>	public void realRun() throws InterruptedException {
577	>	assertFalse(p.isTerminating());
578	>	threadStarted.countDown();
579	>	done.await();
580	>	}});
581	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
582	>	assertFalse(p.isTerminating());
583	>	done.countDown();
584	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
585	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
586	>	assertTrue(p.isTerminated());
587	>	assertFalse(p.isTerminating());
588		}
515	–	try {
516	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
517	–	assertTrue(p1.isTerminated());
518	–	assertFalse(p1.isTerminating());
519	–	} catch(Exception e){
520	–	unexpectedException();
521	–	}
589		}
590
591		/**
592		* getQueue returns the work queue, which contains queued tasks
593		*/
594	<	public void testGetQueue() {
595	<	CustomExecutor p1 = new CustomExecutor(1);
596	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
597	<	for(int i = 0; i < 5; i++){
598	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
599	<	}
600	<	try {
601	<	Thread.sleep(SHORT_DELAY_MS);
602	<	BlockingQueue<Runnable> q = p1.getQueue();
603	<	assertTrue(q.contains(tasks[4]));
594	>	public void testGetQueue() throws InterruptedException {
595	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
596	>	try (PoolCleaner cleaner = cleaner(p)) {
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
600	>	for (int i = 0; i < tasks.length; i++) {
601	>	Runnable r = new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603	>	threadStarted.countDown();
604	>	done.await();
605	>	}};
606	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
607	>	}
608	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
609	>	BlockingQueue<Runnable> q = p.getQueue();
610	>	assertTrue(q.contains(tasks[tasks.length - 1]));
611		assertFalse(q.contains(tasks[0]));
612	<	} catch(Exception e) {
539	<	unexpectedException();
540	<	} finally {
541	<	joinPool(p1);
612	>	done.countDown();
613		}
614		}
615
616		/**
617		* remove(task) removes queued task, and fails to remove active task
618		*/
619	<	public void testRemove() {
620	<	CustomExecutor p1 = new CustomExecutor(1);
621	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
622	<	for(int i = 0; i < 5; i++){
623	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
624	<	}
625	<	try {
626	<	Thread.sleep(SHORT_DELAY_MS);
627	<	BlockingQueue<Runnable> q = p1.getQueue();
628	<	assertFalse(p1.remove((Runnable)tasks[0]));
619	>	public void testRemove() throws InterruptedException {
620	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
621	>	try (PoolCleaner cleaner = cleaner(p)) {
622	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
623	>	final CountDownLatch threadStarted = new CountDownLatch(1);
624	>	final CountDownLatch done = new CountDownLatch(1);
625	>	for (int i = 0; i < tasks.length; i++) {
626	>	Runnable r = new CheckedRunnable() {
627	>	public void realRun() throws InterruptedException {
628	>	threadStarted.countDown();
629	>	done.await();
630	>	}};
631	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
632	>	}
633	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
634	>	BlockingQueue<Runnable> q = p.getQueue();
635	>	assertFalse(p.remove((Runnable)tasks[0]));
636		assertTrue(q.contains((Runnable)tasks[4]));
637		assertTrue(q.contains((Runnable)tasks[3]));
638	<	assertTrue(p1.remove((Runnable)tasks[4]));
639	<	assertFalse(p1.remove((Runnable)tasks[4]));
638	>	assertTrue(p.remove((Runnable)tasks[4]));
639	>	assertFalse(p.remove((Runnable)tasks[4]));
640		assertFalse(q.contains((Runnable)tasks[4]));
641		assertTrue(q.contains((Runnable)tasks[3]));
642	<	assertTrue(p1.remove((Runnable)tasks[3]));
642	>	assertTrue(p.remove((Runnable)tasks[3]));
643		assertFalse(q.contains((Runnable)tasks[3]));
644	<	} catch(Exception e) {
567	<	unexpectedException();
568	<	} finally {
569	<	joinPool(p1);
644	>	done.countDown();
645		}
646		}
647
648		/**
649	<	*  purge removes cancelled tasks from the queue
649	>	* purge removes cancelled tasks from the queue
650		*/
651	<	public void testPurge() {
652	<	CustomExecutor p1 = new CustomExecutor(1);
651	>	public void testPurge() throws InterruptedException {
652	>	final CustomExecutor p = new CustomExecutor(1);
653		ScheduledFuture[] tasks = new ScheduledFuture[5];
654	<	for(int i = 0; i < 5; i++){
655	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
656	<	}
654	>	for (int i = 0; i < tasks.length; i++)
655	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
656	>	LONG_DELAY_MS, MILLISECONDS);
657		try {
658	<	int max = 5;
658	>	int max = tasks.length;
659		if (tasks[4].cancel(true)) --max;
660		if (tasks[3].cancel(true)) --max;
661		// There must eventually be an interference-free point at
662		// which purge will not fail. (At worst, when queue is empty.)
663	<	int k;
664	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
665	<	p1.purge();
666	<	long count = p1.getTaskCount();
667	<	if (count >= 0 && count <= max)
668	<	break;
669	<	Thread.sleep(1);
670	<	}
596	<	assertTrue(k < SMALL_DELAY_MS);
597	<	} catch(Exception e) {
598	<	unexpectedException();
663	>	long startTime = System.nanoTime();
664	>	do {
665	>	p.purge();
666	>	long count = p.getTaskCount();
667	>	if (count == max)
668	>	return;
669	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
670	>	fail("Purge failed to remove cancelled tasks");
671		} finally {
672	<	joinPool(p1);
673	<	}
674	<	}
603	<
604	<	/**
605	<	*  shutDownNow returns a list containing tasks that were not run
606	<	*/
607	<	public void testShutDownNow() {
608	<	CustomExecutor p1 = new CustomExecutor(1);
609	<	for(int i = 0; i < 5; i++)
610	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
611	<	List l;
612	<	try {
613	<	l = p1.shutdownNow();
614	<	} catch (SecurityException ok) {
615	<	return;
616	<	}
617	<	assertTrue(p1.isShutdown());
618	<	assertTrue(l.size() > 0 && l.size() <= 5);
619	<	joinPool(p1);
620	<	}
621	<
622	<	/**
623	<	* In default setting, shutdown cancels periodic but not delayed
624	<	* tasks at shutdown
625	<	*/
626	<	public void testShutDown1() {
627	<	try {
628	<	CustomExecutor p1 = new CustomExecutor(1);
629	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
630	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
631	<
632	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
633	<	for(int i = 0; i < 5; i++)
634	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
635	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
636	<	BlockingQueue q = p1.getQueue();
637	<	for (Iterator it = q.iterator(); it.hasNext();) {
638	<	ScheduledFuture t = (ScheduledFuture)it.next();
639	<	assertFalse(t.isCancelled());
640	<	}
641	<	assertTrue(p1.isShutdown());
642	<	Thread.sleep(SMALL_DELAY_MS);
643	<	for (int i = 0; i < 5; ++i) {
644	<	assertTrue(tasks[i].isDone());
645	<	assertFalse(tasks[i].isCancelled());
646	<	}
647	<
648	<	}
649	<	catch(Exception ex) {
650	<	unexpectedException();
672	>	for (ScheduledFuture task : tasks)
673	>	task.cancel(true);
674	>	joinPool(p);
675		}
676		}
677
654	–
678		/**
679	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
680	<	* delayed tasks are cancelled at shutdown
679	>	* shutdownNow returns a list containing tasks that were not run,
680	>	* and those tasks are drained from the queue
681		*/
682	<	public void testShutDown2() {
682	>	public void testShutdownNow() throws InterruptedException {
683	>	final int poolSize = 2;
684	>	final int count = 5;
685	>	final AtomicInteger ran = new AtomicInteger(0);
686	>	final CustomExecutor p = new CustomExecutor(poolSize);
687	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
688	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
689	>	threadsStarted.countDown();
690	>	try {
691	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
692	>	} catch (InterruptedException success) {}
693	>	ran.getAndIncrement();
694	>	}};
695	>	for (int i = 0; i < count; i++)
696	>	p.execute(waiter);
697	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
698	>	assertEquals(poolSize, p.getActiveCount());
699	>	assertEquals(0, p.getCompletedTaskCount());
700	>	final List<Runnable> queuedTasks;
701		try {
702	<	CustomExecutor p1 = new CustomExecutor(1);
703	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
704	<	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();
702	>	queuedTasks = p.shutdownNow();
703	>	} catch (SecurityException ok) {
704	>	return; // Allowed in case test doesn't have privs
705		}
706	+	assertTrue(p.isShutdown());
707	+	assertTrue(p.getQueue().isEmpty());
708	+	assertEquals(count - poolSize, queuedTasks.size());
709	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
710	+	assertTrue(p.isTerminated());
711	+	assertEquals(poolSize, ran.get());
712	+	assertEquals(poolSize, p.getCompletedTaskCount());
713		}
714
678	–
715		/**
716	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
717	<	* periodic tasks are not cancelled at shutdown
718	<	*/
719	<	public void testShutDown3() {
716	>	* shutdownNow returns a list containing tasks that were not run,
717	>	* and those tasks are drained from the queue
718	>	*/
719	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
720	>	final CustomExecutor p = new CustomExecutor(1);
721	>	List<ScheduledFuture> tasks = new ArrayList<>();
722	>	for (int i = 0; i < 3; i++) {
723	>	Runnable r = new NoOpRunnable();
724	>	tasks.add(p.schedule(r, 9, SECONDS));
725	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
726	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
727	>	}
728	>	if (testImplementationDetails)
729	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
730	>	final List<Runnable> queuedTasks;
731		try {
732	<	CustomExecutor p1 = new CustomExecutor(1);
733	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
734	<	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());
732	>	queuedTasks = p.shutdownNow();
733	>	} catch (SecurityException ok) {
734	>	return; // Allowed in case test doesn't have privs
735		}
736	<	catch(Exception ex) {
737	<	unexpectedException();
736	>	assertTrue(p.isShutdown());
737	>	assertTrue(p.getQueue().isEmpty());
738	>	if (testImplementationDetails)
739	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
740	>	assertEquals(tasks.size(), queuedTasks.size());
741	>	for (ScheduledFuture task : tasks) {
742	>	assertFalse(((CustomTask)task).ran);
743	>	assertFalse(task.isDone());
744	>	assertFalse(task.isCancelled());
745		}
746	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
747	+	assertTrue(p.isTerminated());
748		}
749
750		/**
751	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
752	<	* periodic tasks are cancelled at shutdown
753	<	*/
754	<	public void testShutDown4() {
755	<	CustomExecutor p1 = new CustomExecutor(1);
756	<	try {
757	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
758	<	ScheduledFuture task =
759	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
760	<	assertFalse(task.isCancelled());
761	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
762	<	assertFalse(task.isCancelled());
763	<	assertFalse(p1.isTerminated());
764	<	assertTrue(p1.isShutdown());
765	<	Thread.sleep(SHORT_DELAY_MS);
766	<	assertFalse(task.isCancelled());
767	<	assertTrue(task.cancel(true));
768	<	assertTrue(task.isDone());
769	<	Thread.sleep(SHORT_DELAY_MS);
770	<	assertTrue(p1.isTerminated());
771	<	}
772	<	catch(Exception ex) {
773	<	unexpectedException();
751	>	* By default, periodic tasks are cancelled at shutdown.
752	>	* By default, delayed tasks keep running after shutdown.
753	>	* Check that changing the default values work:
754	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
755	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
756	>	*/
757	>	public void testShutdown_cancellation() throws Exception {
758	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
759	>	for (Boolean policy : allBooleans)
760	>	{
761	>	final int poolSize = 2;
762	>	final CustomExecutor p = new CustomExecutor(poolSize);
763	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
764	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
765	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
766	>	if (policy != null) {
767	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
768	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
769	>	p.setRemoveOnCancelPolicy(policy);
770	>	}
771	>	assertEquals(effectiveDelayedPolicy,
772	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
773	>	assertEquals(effectivePeriodicPolicy,
774	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
775	>	assertEquals(effectiveRemovePolicy,
776	>	p.getRemoveOnCancelPolicy());
777	>	// Strategy: Wedge the pool with poolSize "blocker" threads
778	>	final AtomicInteger ran = new AtomicInteger(0);
779	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
780	>	final CountDownLatch unblock = new CountDownLatch(1);
781	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
782	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
783	>	Runnable task = new CheckedRunnable() { public void realRun()
784	>	throws InterruptedException {
785	>	poolBlocked.countDown();
786	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
787	>	ran.getAndIncrement();
788	>	}};
789	>	List<Future<?>> blockers = new ArrayList<>();
790	>	List<Future<?>> periodics = new ArrayList<>();
791	>	List<Future<?>> delayeds = new ArrayList<>();
792	>	for (int i = 0; i < poolSize; i++)
793	>	blockers.add(p.submit(task));
794	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
795	>
796	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
797	>	1, 1, MILLISECONDS));
798	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
799	>	1, 1, MILLISECONDS));
800	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
801	>
802	>	assertTrue(p.getQueue().containsAll(periodics));
803	>	assertTrue(p.getQueue().containsAll(delayeds));
804	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
805	>	assertTrue(p.isShutdown());
806	>	assertFalse(p.isTerminated());
807	>	for (Future<?> periodic : periodics) {
808	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
809	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
810	>	}
811	>	for (Future<?> delayed : delayeds) {
812	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
813	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
814	>	}
815	>	if (testImplementationDetails) {
816	>	assertEquals(effectivePeriodicPolicy,
817	>	p.getQueue().containsAll(periodics));
818	>	assertEquals(effectiveDelayedPolicy,
819	>	p.getQueue().containsAll(delayeds));
820	>	}
821	>	// Release all pool threads
822	>	unblock.countDown();
823	>
824	>	for (Future<?> delayed : delayeds) {
825	>	if (effectiveDelayedPolicy) {
826	>	assertNull(delayed.get());
827	>	}
828		}
829	<	finally {
830	<	joinPool(p1);
829	>	if (effectivePeriodicPolicy) {
830	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
831	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
832	>	for (Future<?> periodic : periodics) {
833	>	assertTrue(periodic.cancel(false));
834	>	assertTrue(periodic.isCancelled());
835	>	assertTrue(periodic.isDone());
836	>	}
837		}
838	<	}
838	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
839	>	assertTrue(p.isTerminated());
840	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
841	>	}}
842
843		/**
844		* completed submit of callable returns result
845		*/
846	<	public void testSubmitCallable() {
847	<	ExecutorService e = new CustomExecutor(2);
848	<	try {
846	>	public void testSubmitCallable() throws Exception {
847	>	final ExecutorService e = new CustomExecutor(2);
848	>	try (PoolCleaner cleaner = cleaner(e)) {
849		Future<String> future = e.submit(new StringTask());
850		String result = future.get();
851		assertSame(TEST_STRING, result);
852		}
741	–	catch (ExecutionException ex) {
742	–	unexpectedException();
743	–	}
744	–	catch (InterruptedException ex) {
745	–	unexpectedException();
746	–	} finally {
747	–	joinPool(e);
748	–	}
853		}
854
855		/**
856		* completed submit of runnable returns successfully
857		*/
858	<	public void testSubmitRunnable() {
859	<	ExecutorService e = new CustomExecutor(2);
860	<	try {
858	>	public void testSubmitRunnable() throws Exception {
859	>	final ExecutorService e = new CustomExecutor(2);
860	>	try (PoolCleaner cleaner = cleaner(e)) {
861		Future<?> future = e.submit(new NoOpRunnable());
862		future.get();
863		assertTrue(future.isDone());
864		}
761	–	catch (ExecutionException ex) {
762	–	unexpectedException();
763	–	}
764	–	catch (InterruptedException ex) {
765	–	unexpectedException();
766	–	} finally {
767	–	joinPool(e);
768	–	}
865		}
866
867		/**
868		* completed submit of (runnable, result) returns result
869		*/
870	<	public void testSubmitRunnable2() {
871	<	ExecutorService e = new CustomExecutor(2);
872	<	try {
870	>	public void testSubmitRunnable2() throws Exception {
871	>	final ExecutorService e = new CustomExecutor(2);
872	>	try (PoolCleaner cleaner = cleaner(e)) {
873		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
874		String result = future.get();
875		assertSame(TEST_STRING, result);
876		}
781	–	catch (ExecutionException ex) {
782	–	unexpectedException();
783	–	}
784	–	catch (InterruptedException ex) {
785	–	unexpectedException();
786	–	} finally {
787	–	joinPool(e);
788	–	}
877		}
878
879		/**
880		* invokeAny(null) throws NPE
881		*/
882	<	public void testInvokeAny1() {
883	<	ExecutorService e = new CustomExecutor(2);
884	<	try {
885	<	e.invokeAny(null);
886	<	} catch (NullPointerException success) {
887	<	} catch(Exception ex) {
888	<	unexpectedException();
801	<	} finally {
802	<	joinPool(e);
882	>	public void testInvokeAny1() throws Exception {
883	>	final ExecutorService e = new CustomExecutor(2);
884	>	try (PoolCleaner cleaner = cleaner(e)) {
885	>	try {
886	>	e.invokeAny(null);
887	>	shouldThrow();
888	>	} catch (NullPointerException success) {}
889		}
890		}
891
892		/**
893		* invokeAny(empty collection) throws IAE
894		*/
895	<	public void testInvokeAny2() {
896	<	ExecutorService e = new CustomExecutor(2);
897	<	try {
898	<	e.invokeAny(new ArrayList<Callable<String>>());
899	<	} catch (IllegalArgumentException success) {
900	<	} catch(Exception ex) {
901	<	unexpectedException();
816	<	} finally {
817	<	joinPool(e);
895	>	public void testInvokeAny2() throws Exception {
896	>	final ExecutorService e = new CustomExecutor(2);
897	>	try (PoolCleaner cleaner = cleaner(e)) {
898	>	try {
899	>	e.invokeAny(new ArrayList<Callable<String>>());
900	>	shouldThrow();
901	>	} catch (IllegalArgumentException success) {}
902		}
903		}
904
905		/**
906		* invokeAny(c) throws NPE if c has null elements
907		*/
908	<	public void testInvokeAny3() {
909	<	ExecutorService e = new CustomExecutor(2);
910	<	try {
911	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
912	<	l.add(new StringTask());
908	>	public void testInvokeAny3() throws Exception {
909	>	final CountDownLatch latch = new CountDownLatch(1);
910	>	final ExecutorService e = new CustomExecutor(2);
911	>	try (PoolCleaner cleaner = cleaner(e)) {
912	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
913	>	l.add(latchAwaitingStringTask(latch));
914		l.add(null);
915	<	e.invokeAny(l);
916	<	} catch (NullPointerException success) {
917	<	} catch(Exception ex) {
918	<	unexpectedException();
919	<	} finally {
835	<	joinPool(e);
915	>	try {
916	>	e.invokeAny(l);
917	>	shouldThrow();
918	>	} catch (NullPointerException success) {}
919	>	latch.countDown();
920		}
921		}
922
923		/**
924		* invokeAny(c) throws ExecutionException if no task completes
925		*/
926	<	public void testInvokeAny4() {
927	<	ExecutorService e = new CustomExecutor(2);
928	<	try {
929	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
926	>	public void testInvokeAny4() throws Exception {
927	>	final ExecutorService e = new CustomExecutor(2);
928	>	try (PoolCleaner cleaner = cleaner(e)) {
929	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
930		l.add(new NPETask());
931	<	e.invokeAny(l);
932	<	} catch (ExecutionException success) {
933	<	} catch(Exception ex) {
934	<	unexpectedException();
935	<	} finally {
936	<	joinPool(e);
931	>	try {
932	>	e.invokeAny(l);
933	>	shouldThrow();
934	>	} catch (ExecutionException success) {
935	>	assertTrue(success.getCause() instanceof NullPointerException);
936	>	}
937		}
938		}
939
940		/**
941		* invokeAny(c) returns result of some task
942		*/
943	<	public void testInvokeAny5() {
944	<	ExecutorService e = new CustomExecutor(2);
945	<	try {
946	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
943	>	public void testInvokeAny5() throws Exception {
944	>	final ExecutorService e = new CustomExecutor(2);
945	>	try (PoolCleaner cleaner = cleaner(e)) {
946	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
947		l.add(new StringTask());
948		l.add(new StringTask());
949		String result = e.invokeAny(l);
950		assertSame(TEST_STRING, result);
867	–	} catch (ExecutionException success) {
868	–	} catch(Exception ex) {
869	–	unexpectedException();
870	–	} finally {
871	–	joinPool(e);
951		}
952		}
953
954		/**
955		* invokeAll(null) throws NPE
956		*/
957	<	public void testInvokeAll1() {
958	<	ExecutorService e = new CustomExecutor(2);
959	<	try {
960	<	e.invokeAll(null);
961	<	} catch (NullPointerException success) {
962	<	} catch(Exception ex) {
963	<	unexpectedException();
885	<	} finally {
886	<	joinPool(e);
957	>	public void testInvokeAll1() throws Exception {
958	>	final ExecutorService e = new CustomExecutor(2);
959	>	try (PoolCleaner cleaner = cleaner(e)) {
960	>	try {
961	>	e.invokeAll(null);
962	>	shouldThrow();
963	>	} catch (NullPointerException success) {}
964		}
965		}
966
967		/**
968		* invokeAll(empty collection) returns empty collection
969		*/
970	<	public void testInvokeAll2() {
971	<	ExecutorService e = new CustomExecutor(2);
972	<	try {
970	>	public void testInvokeAll2() throws Exception {
971	>	final ExecutorService e = new CustomExecutor(2);
972	>	try (PoolCleaner cleaner = cleaner(e)) {
973		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
974		assertTrue(r.isEmpty());
898	–	} catch(Exception ex) {
899	–	unexpectedException();
900	–	} finally {
901	–	joinPool(e);
975		}
976		}
977
978		/**
979		* invokeAll(c) throws NPE if c has null elements
980		*/
981	<	public void testInvokeAll3() {
982	<	ExecutorService e = new CustomExecutor(2);
983	<	try {
984	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
981	>	public void testInvokeAll3() throws Exception {
982	>	final ExecutorService e = new CustomExecutor(2);
983	>	try (PoolCleaner cleaner = cleaner(e)) {
984	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
985		l.add(new StringTask());
986		l.add(null);
987	<	e.invokeAll(l);
988	<	} catch (NullPointerException success) {
989	<	} catch(Exception ex) {
990	<	unexpectedException();
918	<	} finally {
919	<	joinPool(e);
987	>	try {
988	>	e.invokeAll(l);
989	>	shouldThrow();
990	>	} catch (NullPointerException success) {}
991		}
992		}
993
994		/**
995		* get of invokeAll(c) throws exception on failed task
996		*/
997	<	public void testInvokeAll4() {
998	<	ExecutorService e = new CustomExecutor(2);
999	<	try {
1000	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
997	>	public void testInvokeAll4() throws Exception {
998	>	final ExecutorService e = new CustomExecutor(2);
999	>	try (PoolCleaner cleaner = cleaner(e)) {
1000	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1001		l.add(new NPETask());
1002	<	List<Future<String>> result = e.invokeAll(l);
1003	<	assertEquals(1, result.size());
1004	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1005	<	it.next().get();
1006	<	} catch(ExecutionException success) {
1007	<	} catch(Exception ex) {
1008	<	unexpectedException();
1009	<	} finally {
939	<	joinPool(e);
1002	>	List<Future<String>> futures = e.invokeAll(l);
1003	>	assertEquals(1, futures.size());
1004	>	try {
1005	>	futures.get(0).get();
1006	>	shouldThrow();
1007	>	} catch (ExecutionException success) {
1008	>	assertTrue(success.getCause() instanceof NullPointerException);
1009	>	}
1010		}
1011		}
1012
1013		/**
1014		* invokeAll(c) returns results of all completed tasks
1015		*/
1016	<	public void testInvokeAll5() {
1017	<	ExecutorService e = new CustomExecutor(2);
1018	<	try {
1019	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1016	>	public void testInvokeAll5() throws Exception {
1017	>	final ExecutorService e = new CustomExecutor(2);
1018	>	try (PoolCleaner cleaner = cleaner(e)) {
1019	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1020		l.add(new StringTask());
1021		l.add(new StringTask());
1022	<	List<Future<String>> result = e.invokeAll(l);
1023	<	assertEquals(2, result.size());
1024	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1025	<	assertSame(TEST_STRING, it.next().get());
956	<	} catch (ExecutionException success) {
957	<	} catch(Exception ex) {
958	<	unexpectedException();
959	<	} finally {
960	<	joinPool(e);
1022	>	List<Future<String>> futures = e.invokeAll(l);
1023	>	assertEquals(2, futures.size());
1024	>	for (Future<String> future : futures)
1025	>	assertSame(TEST_STRING, future.get());
1026		}
1027		}
1028
1029		/**
1030		* timed invokeAny(null) throws NPE
1031		*/
1032	<	public void testTimedInvokeAny1() {
1033	<	ExecutorService e = new CustomExecutor(2);
1034	<	try {
1035	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1036	<	} catch (NullPointerException success) {
1037	<	} catch(Exception ex) {
1038	<	unexpectedException();
974	<	} finally {
975	<	joinPool(e);
1032	>	public void testTimedInvokeAny1() throws Exception {
1033	>	final ExecutorService e = new CustomExecutor(2);
1034	>	try (PoolCleaner cleaner = cleaner(e)) {
1035	>	try {
1036	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1037	>	shouldThrow();
1038	>	} catch (NullPointerException success) {}
1039		}
1040		}
1041
1042		/**
1043		* timed invokeAny(,,null) throws NPE
1044		*/
1045	<	public void testTimedInvokeAnyNullTimeUnit() {
1046	<	ExecutorService e = new CustomExecutor(2);
1047	<	try {
1048	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1045	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1046	>	final ExecutorService e = new CustomExecutor(2);
1047	>	try (PoolCleaner cleaner = cleaner(e)) {
1048	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1049		l.add(new StringTask());
1050	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1051	<	} catch (NullPointerException success) {
1052	<	} catch(Exception ex) {
1053	<	unexpectedException();
991	<	} finally {
992	<	joinPool(e);
1050	>	try {
1051	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1052	>	shouldThrow();
1053	>	} catch (NullPointerException success) {}
1054		}
1055		}
1056
1057		/**
1058		* timed invokeAny(empty collection) throws IAE
1059		*/
1060	<	public void testTimedInvokeAny2() {
1061	<	ExecutorService e = new CustomExecutor(2);
1062	<	try {
1063	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1064	<	} catch (IllegalArgumentException success) {
1065	<	} catch(Exception ex) {
1066	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
1060	>	public void testTimedInvokeAny2() throws Exception {
1061	>	final ExecutorService e = new CustomExecutor(2);
1062	>	try (PoolCleaner cleaner = cleaner(e)) {
1063	>	try {
1064	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1065	>	shouldThrow();
1066	>	} catch (IllegalArgumentException success) {}
1067		}
1068		}
1069
1070		/**
1071		* timed invokeAny(c) throws NPE if c has null elements
1072		*/
1073	<	public void testTimedInvokeAny3() {
1074	<	ExecutorService e = new CustomExecutor(2);
1075	<	try {
1076	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1077	<	l.add(new StringTask());
1073	>	public void testTimedInvokeAny3() throws Exception {
1074	>	CountDownLatch latch = new CountDownLatch(1);
1075	>	final ExecutorService e = new CustomExecutor(2);
1076	>	try (PoolCleaner cleaner = cleaner(e)) {
1077	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1078	>	l.add(latchAwaitingStringTask(latch));
1079		l.add(null);
1080	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1081	<	} catch (NullPointerException success) {
1082	<	} catch(Exception ex) {
1083	<	ex.printStackTrace();
1084	<	unexpectedException();
1025	<	} finally {
1026	<	joinPool(e);
1080	>	try {
1081	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1082	>	shouldThrow();
1083	>	} catch (NullPointerException success) {}
1084	>	latch.countDown();
1085		}
1086		}
1087
1088		/**
1089		* timed invokeAny(c) throws ExecutionException if no task completes
1090		*/
1091	<	public void testTimedInvokeAny4() {
1092	<	ExecutorService e = new CustomExecutor(2);
1093	<	try {
1094	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1091	>	public void testTimedInvokeAny4() throws Exception {
1092	>	final ExecutorService e = new CustomExecutor(2);
1093	>	try (PoolCleaner cleaner = cleaner(e)) {
1094	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1095		l.add(new NPETask());
1096	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1097	<	} catch(ExecutionException success) {
1098	<	} catch(Exception ex) {
1099	<	unexpectedException();
1100	<	} finally {
1101	<	joinPool(e);
1096	>	try {
1097	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1098	>	shouldThrow();
1099	>	} catch (ExecutionException success) {
1100	>	assertTrue(success.getCause() instanceof NullPointerException);
1101	>	}
1102		}
1103		}
1104
1105		/**
1106		* timed invokeAny(c) returns result of some task
1107		*/
1108	<	public void testTimedInvokeAny5() {
1109	<	ExecutorService e = new CustomExecutor(2);
1110	<	try {
1111	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1108	>	public void testTimedInvokeAny5() throws Exception {
1109	>	final ExecutorService e = new CustomExecutor(2);
1110	>	try (PoolCleaner cleaner = cleaner(e)) {
1111	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1112		l.add(new StringTask());
1113		l.add(new StringTask());
1114	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1114	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1115		assertSame(TEST_STRING, result);
1058	–	} catch (ExecutionException success) {
1059	–	} catch(Exception ex) {
1060	–	unexpectedException();
1061	–	} finally {
1062	–	joinPool(e);
1116		}
1117		}
1118
1119		/**
1120		* timed invokeAll(null) throws NPE
1121		*/
1122	<	public void testTimedInvokeAll1() {
1123	<	ExecutorService e = new CustomExecutor(2);
1124	<	try {
1125	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1126	<	} catch (NullPointerException success) {
1127	<	} catch(Exception ex) {
1128	<	unexpectedException();
1076	<	} finally {
1077	<	joinPool(e);
1122	>	public void testTimedInvokeAll1() throws Exception {
1123	>	final ExecutorService e = new CustomExecutor(2);
1124	>	try (PoolCleaner cleaner = cleaner(e)) {
1125	>	try {
1126	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1127	>	shouldThrow();
1128	>	} catch (NullPointerException success) {}
1129		}
1130		}
1131
1132		/**
1133		* timed invokeAll(,,null) throws NPE
1134		*/
1135	<	public void testTimedInvokeAllNullTimeUnit() {
1136	<	ExecutorService e = new CustomExecutor(2);
1137	<	try {
1138	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1135	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1136	>	final ExecutorService e = new CustomExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139		l.add(new StringTask());
1140	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1141	<	} catch (NullPointerException success) {
1142	<	} catch(Exception ex) {
1143	<	unexpectedException();
1093	<	} finally {
1094	<	joinPool(e);
1140	>	try {
1141	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1142	>	shouldThrow();
1143	>	} catch (NullPointerException success) {}
1144		}
1145		}
1146
1147		/**
1148		* timed invokeAll(empty collection) returns empty collection
1149		*/
1150	<	public void testTimedInvokeAll2() {
1151	<	ExecutorService e = new CustomExecutor(2);
1152	<	try {
1153	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1150	>	public void testTimedInvokeAll2() throws Exception {
1151	>	final ExecutorService e = new CustomExecutor(2);
1152	>	try (PoolCleaner cleaner = cleaner(e)) {
1153	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1154		assertTrue(r.isEmpty());
1106	–	} catch(Exception ex) {
1107	–	unexpectedException();
1108	–	} finally {
1109	–	joinPool(e);
1155		}
1156		}
1157
1158		/**
1159		* timed invokeAll(c) throws NPE if c has null elements
1160		*/
1161	<	public void testTimedInvokeAll3() {
1162	<	ExecutorService e = new CustomExecutor(2);
1163	<	try {
1164	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1161	>	public void testTimedInvokeAll3() throws Exception {
1162	>	final ExecutorService e = new CustomExecutor(2);
1163	>	try (PoolCleaner cleaner = cleaner(e)) {
1164	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1165		l.add(new StringTask());
1166		l.add(null);
1167	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1168	<	} catch (NullPointerException success) {
1169	<	} catch(Exception ex) {
1170	<	unexpectedException();
1126	<	} finally {
1127	<	joinPool(e);
1167	>	try {
1168	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1169	>	shouldThrow();
1170	>	} catch (NullPointerException success) {}
1171		}
1172		}
1173
1174		/**
1175		* get of element of invokeAll(c) throws exception on failed task
1176		*/
1177	<	public void testTimedInvokeAll4() {
1178	<	ExecutorService e = new CustomExecutor(2);
1179	<	try {
1180	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1177	>	public void testTimedInvokeAll4() throws Exception {
1178	>	final ExecutorService e = new CustomExecutor(2);
1179	>	try (PoolCleaner cleaner = cleaner(e)) {
1180	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1181		l.add(new NPETask());
1182	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1183	<	assertEquals(1, result.size());
1184	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1185	<	it.next().get();
1186	<	} catch(ExecutionException success) {
1187	<	} catch(Exception ex) {
1188	<	unexpectedException();
1189	<	} finally {
1190	<	joinPool(e);
1182	>	List<Future<String>> futures =
1183	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1184	>	assertEquals(1, futures.size());
1185	>	try {
1186	>	futures.get(0).get();
1187	>	shouldThrow();
1188	>	} catch (ExecutionException success) {
1189	>	assertTrue(success.getCause() instanceof NullPointerException);
1190	>	}
1191		}
1192		}
1193
1194		/**
1195		* timed invokeAll(c) returns results of all completed tasks
1196		*/
1197	<	public void testTimedInvokeAll5() {
1198	<	ExecutorService e = new CustomExecutor(2);
1199	<	try {
1200	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1197	>	public void testTimedInvokeAll5() throws Exception {
1198	>	final ExecutorService e = new CustomExecutor(2);
1199	>	try (PoolCleaner cleaner = cleaner(e)) {
1200	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1201		l.add(new StringTask());
1202		l.add(new StringTask());
1203	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1204	<	assertEquals(2, result.size());
1205	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1206	<	assertSame(TEST_STRING, it.next().get());
1207	<	} catch (ExecutionException success) {
1165	<	} catch(Exception ex) {
1166	<	unexpectedException();
1167	<	} finally {
1168	<	joinPool(e);
1203	>	List<Future<String>> futures =
1204	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1205	>	assertEquals(2, futures.size());
1206	>	for (Future<String> future : futures)
1207	>	assertSame(TEST_STRING, future.get());
1208		}
1209		}
1210
1211		/**
1212		* timed invokeAll(c) cancels tasks not completed by timeout
1213		*/
1214	<	public void testTimedInvokeAll6() {
1215	<	ExecutorService e = new CustomExecutor(2);
1216	<	try {
1217	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1218	<	l.add(new StringTask());
1219	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1220	<	l.add(new StringTask());
1221	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1222	<	assertEquals(3, result.size());
1223	<	Iterator<Future<String>> it = result.iterator();
1224	<	Future<String> f1 = it.next();
1225	<	Future<String> f2 = it.next();
1226	<	Future<String> f3 = it.next();
1227	<	assertTrue(f1.isDone());
1228	<	assertTrue(f2.isDone());
1229	<	assertTrue(f3.isDone());
1230	<	assertFalse(f1.isCancelled());
1231	<	assertTrue(f2.isCancelled());
1232	<	} catch(Exception ex) {
1233	<	unexpectedException();
1234	<	} finally {
1235	<	joinPool(e);
1214	>	public void testTimedInvokeAll6() throws Exception {
1215	>	final ExecutorService e = new CustomExecutor(2);
1216	>	try (PoolCleaner cleaner = cleaner(e)) {
1217	>	for (long timeout = timeoutMillis();;) {
1218	>	List<Callable<String>> tasks = new ArrayList<>();
1219	>	tasks.add(new StringTask("0"));
1220	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1221	>	tasks.add(new StringTask("2"));
1222	>	long startTime = System.nanoTime();
1223	>	List<Future<String>> futures =
1224	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1225	>	assertEquals(tasks.size(), futures.size());
1226	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1227	>	for (Future future : futures)
1228	>	assertTrue(future.isDone());
1229	>	assertTrue(futures.get(1).isCancelled());
1230	>	try {
1231	>	assertEquals("0", futures.get(0).get());
1232	>	assertEquals("2", futures.get(2).get());
1233	>	break;
1234	>	} catch (CancellationException retryWithLongerTimeout) {
1235	>	timeout *= 2;
1236	>	if (timeout >= LONG_DELAY_MS / 2)
1237	>	fail("expected exactly one task to be cancelled");
1238	>	}
1239	>	}
1240		}
1241		}
1242
1200	–
1243		}

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