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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 1.48 by jsr166, Mon Oct 5 21:42:48 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 int TASKS = 3;
477	>	final CountDownLatch done = new CountDownLatch(1);
478	>	final ThreadPoolExecutor p = new CustomExecutor(1);
479	>	try (PoolCleaner cleaner = cleaner(p, done)) {
480	>	final CountDownLatch threadStarted = new CountDownLatch(1);
481	>	assertEquals(0, p.getTaskCount());
482	>	assertEquals(0, p.getCompletedTaskCount());
483	>	p.execute(new CheckedRunnable() {
484	>	public void realRun() throws InterruptedException {
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
489	>	assertEquals(1, p.getTaskCount());
490	>	assertEquals(0, p.getCompletedTaskCount());
491	>	for (int i = 0; i < TASKS; i++) {
492	>	assertEquals(1 + i, p.getTaskCount());
493	>	p.execute(new CheckedRunnable() {
494	>	public void realRun() throws InterruptedException {
495	>	threadStarted.countDown();
496	>	assertEquals(1 + TASKS, p.getTaskCount());
497	>	done.await();
498	>	}});
499	>	}
500	>	assertEquals(1 + TASKS, p.getTaskCount());
501	>	assertEquals(0, p.getCompletedTaskCount());
502		}
503	<	assertEquals(5, p1.getTaskCount());
504	<	joinPool(p1);
503	>	assertEquals(1 + TASKS, p.getTaskCount());
504	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
505		}
506
507	<	/**
507	>	/**
508		* getThreadFactory returns factory in constructor if not set
509		*/
510		public void testGetThreadFactory() {
511	<	ThreadFactory tf = new SimpleThreadFactory();
512	<	CustomExecutor p = new CustomExecutor(1, tf);
513	<	assertSame(tf, p.getThreadFactory());
514	<	joinPool(p);
511	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
512	>	final CustomExecutor p = new CustomExecutor(1, threadFactory);
513	>	try (PoolCleaner cleaner = cleaner(p)) {
514	>	assertSame(threadFactory, p.getThreadFactory());
515	>	}
516		}
517
518	<	/**
518	>	/**
519		* setThreadFactory sets the thread factory returned by getThreadFactory
520		*/
521		public void testSetThreadFactory() {
522	<	ThreadFactory tf = new SimpleThreadFactory();
523	<	CustomExecutor p = new CustomExecutor(1);
524	<	p.setThreadFactory(tf);
525	<	assertSame(tf, p.getThreadFactory());
526	<	joinPool(p);
522	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
523	>	final CustomExecutor p = new CustomExecutor(1);
524	>	try (PoolCleaner cleaner = cleaner(p)) {
525	>	p.setThreadFactory(threadFactory);
526	>	assertSame(threadFactory, p.getThreadFactory());
527	>	}
528		}
529
530	<	/**
530	>	/**
531		* setThreadFactory(null) throws NPE
532		*/
533		public void testSetThreadFactoryNull() {
534	<	CustomExecutor p = new CustomExecutor(1);
535	<	try {
536	<	p.setThreadFactory(null);
537	<	shouldThrow();
538	<	} catch (NullPointerException success) {
539	<	} finally {
465	<	joinPool(p);
534	>	final CustomExecutor p = new CustomExecutor(1);
535	>	try (PoolCleaner cleaner = cleaner(p)) {
536	>	try {
537	>	p.setThreadFactory(null);
538	>	shouldThrow();
539	>	} catch (NullPointerException success) {}
540		}
541		}
542	<
542	>
543		/**
544	<	*   is isShutDown is false before shutdown, true after
544	>	* isShutdown is false before shutdown, true after
545		*/
546		public void testIsShutdown() {
547	<
548	<	CustomExecutor p1 = new CustomExecutor(1);
549	<	try {
550	<	assertFalse(p1.isShutdown());
547	>	final CustomExecutor p = new CustomExecutor(1);
548	>	try (PoolCleaner cleaner = cleaner(p)) {
549	>	assertFalse(p.isShutdown());
550	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
551	>	assertTrue(p.isShutdown());
552		}
478	–	finally {
479	–	try { p1.shutdown(); } catch(SecurityException ok) { return; }
480	–	}
481	–	assertTrue(p1.isShutdown());
553		}
554
484	–
555		/**
556	<	*   isTerminated is false before termination, true after
557	<	*/
558	<	public void testIsTerminated() {
559	<	CustomExecutor p1 = new CustomExecutor(1);
560	<	try {
561	<	p1.execute(new SmallRunnable());
562	<	} finally {
563	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
556	>	* isTerminated is false before termination, true after
557	>	*/
558	>	public void testIsTerminated() throws InterruptedException {
559	>	final ThreadPoolExecutor p = new CustomExecutor(1);
560	>	try (PoolCleaner cleaner = cleaner(p)) {
561	>	final CountDownLatch threadStarted = new CountDownLatch(1);
562	>	final CountDownLatch done = new CountDownLatch(1);
563	>	assertFalse(p.isTerminated());
564	>	p.execute(new CheckedRunnable() {
565	>	public void realRun() throws InterruptedException {
566	>	assertFalse(p.isTerminated());
567	>	threadStarted.countDown();
568	>	done.await();
569	>	}});
570	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
571	>	assertFalse(p.isTerminating());
572	>	done.countDown();
573	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
574	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
575	>	assertTrue(p.isTerminated());
576		}
495	–	try {
496	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
497	–	assertTrue(p1.isTerminated());
498	–	} catch(Exception e){
499	–	unexpectedException();
500	–	}
577		}
578
579		/**
580	<	*  isTerminating is not true when running or when terminated
581	<	*/
582	<	public void testIsTerminating() {
583	<	CustomExecutor p1 = new CustomExecutor(1);
584	<	assertFalse(p1.isTerminating());
585	<	try {
586	<	p1.execute(new SmallRunnable());
587	<	assertFalse(p1.isTerminating());
588	<	} finally {
589	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
580	>	* isTerminating is not true when running or when terminated
581	>	*/
582	>	public void testIsTerminating() throws InterruptedException {
583	>	final ThreadPoolExecutor p = new CustomExecutor(1);
584	>	try (PoolCleaner cleaner = cleaner(p)) {
585	>	final CountDownLatch threadStarted = new CountDownLatch(1);
586	>	final CountDownLatch done = new CountDownLatch(1);
587	>	assertFalse(p.isTerminating());
588	>	p.execute(new CheckedRunnable() {
589	>	public void realRun() throws InterruptedException {
590	>	assertFalse(p.isTerminating());
591	>	threadStarted.countDown();
592	>	done.await();
593	>	}});
594	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
595	>	assertFalse(p.isTerminating());
596	>	done.countDown();
597	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
598	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
599	>	assertTrue(p.isTerminated());
600	>	assertFalse(p.isTerminating());
601		}
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	–	}
602		}
603
604		/**
605		* getQueue returns the work queue, which contains queued tasks
606		*/
607	<	public void testGetQueue() {
608	<	CustomExecutor p1 = new CustomExecutor(1);
609	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
610	<	for(int i = 0; i < 5; i++){
611	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
612	<	}
613	<	try {
614	<	Thread.sleep(SHORT_DELAY_MS);
615	<	BlockingQueue<Runnable> q = p1.getQueue();
616	<	assertTrue(q.contains(tasks[4]));
607	>	public void testGetQueue() throws InterruptedException {
608	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
609	>	try (PoolCleaner cleaner = cleaner(p)) {
610	>	final CountDownLatch threadStarted = new CountDownLatch(1);
611	>	final CountDownLatch done = new CountDownLatch(1);
612	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
613	>	for (int i = 0; i < tasks.length; i++) {
614	>	Runnable r = new CheckedRunnable() {
615	>	public void realRun() throws InterruptedException {
616	>	threadStarted.countDown();
617	>	done.await();
618	>	}};
619	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
620	>	}
621	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
622	>	BlockingQueue<Runnable> q = p.getQueue();
623	>	assertTrue(q.contains(tasks[tasks.length - 1]));
624		assertFalse(q.contains(tasks[0]));
625	<	} catch(Exception e) {
539	<	unexpectedException();
540	<	} finally {
541	<	joinPool(p1);
625	>	done.countDown();
626		}
627		}
628
629		/**
630		* remove(task) removes queued task, and fails to remove active task
631		*/
632	<	public void testRemove() {
633	<	CustomExecutor p1 = new CustomExecutor(1);
634	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
635	<	for(int i = 0; i < 5; i++){
636	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
637	<	}
638	<	try {
639	<	Thread.sleep(SHORT_DELAY_MS);
640	<	BlockingQueue<Runnable> q = p1.getQueue();
641	<	assertFalse(p1.remove((Runnable)tasks[0]));
632	>	public void testRemove() throws InterruptedException {
633	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
634	>	try (PoolCleaner cleaner = cleaner(p)) {
635	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
636	>	final CountDownLatch threadStarted = new CountDownLatch(1);
637	>	final CountDownLatch done = new CountDownLatch(1);
638	>	for (int i = 0; i < tasks.length; i++) {
639	>	Runnable r = new CheckedRunnable() {
640	>	public void realRun() throws InterruptedException {
641	>	threadStarted.countDown();
642	>	done.await();
643	>	}};
644	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
645	>	}
646	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
647	>	BlockingQueue<Runnable> q = p.getQueue();
648	>	assertFalse(p.remove((Runnable)tasks[0]));
649		assertTrue(q.contains((Runnable)tasks[4]));
650		assertTrue(q.contains((Runnable)tasks[3]));
651	<	assertTrue(p1.remove((Runnable)tasks[4]));
652	<	assertFalse(p1.remove((Runnable)tasks[4]));
651	>	assertTrue(p.remove((Runnable)tasks[4]));
652	>	assertFalse(p.remove((Runnable)tasks[4]));
653		assertFalse(q.contains((Runnable)tasks[4]));
654		assertTrue(q.contains((Runnable)tasks[3]));
655	<	assertTrue(p1.remove((Runnable)tasks[3]));
655	>	assertTrue(p.remove((Runnable)tasks[3]));
656		assertFalse(q.contains((Runnable)tasks[3]));
657	<	} catch(Exception e) {
567	<	unexpectedException();
568	<	} finally {
569	<	joinPool(p1);
657	>	done.countDown();
658		}
659		}
660
661		/**
662	<	*  purge removes cancelled tasks from the queue
662	>	* purge removes cancelled tasks from the queue
663		*/
664	<	public void testPurge() {
665	<	CustomExecutor p1 = new CustomExecutor(1);
664	>	public void testPurge() throws InterruptedException {
665	>	final CustomExecutor p = new CustomExecutor(1);
666		ScheduledFuture[] tasks = new ScheduledFuture[5];
667	<	for(int i = 0; i < 5; i++){
668	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
669	<	}
667	>	for (int i = 0; i < tasks.length; i++)
668	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
669	>	LONG_DELAY_MS, MILLISECONDS);
670		try {
671	<	int max = 5;
671	>	int max = tasks.length;
672		if (tasks[4].cancel(true)) --max;
673		if (tasks[3].cancel(true)) --max;
674		// There must eventually be an interference-free point at
675		// which purge will not fail. (At worst, when queue is empty.)
676	<	int k;
677	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
678	<	p1.purge();
679	<	long count = p1.getTaskCount();
680	<	if (count >= 0 && count <= max)
681	<	break;
682	<	Thread.sleep(1);
683	<	}
596	<	assertTrue(k < SMALL_DELAY_MS);
597	<	} catch(Exception e) {
598	<	unexpectedException();
676	>	long startTime = System.nanoTime();
677	>	do {
678	>	p.purge();
679	>	long count = p.getTaskCount();
680	>	if (count == max)
681	>	return;
682	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
683	>	fail("Purge failed to remove cancelled tasks");
684		} finally {
685	<	joinPool(p1);
686	<	}
687	<	}
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();
685	>	for (ScheduledFuture task : tasks)
686	>	task.cancel(true);
687	>	joinPool(p);
688		}
689		}
690
654	–
691		/**
692	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
693	<	* delayed tasks are cancelled at shutdown
692	>	* shutdownNow returns a list containing tasks that were not run,
693	>	* and those tasks are drained from the queue
694		*/
695	<	public void testShutDown2() {
695	>	public void testShutdownNow() throws InterruptedException {
696	>	final int poolSize = 2;
697	>	final int count = 5;
698	>	final AtomicInteger ran = new AtomicInteger(0);
699	>	final CustomExecutor p = new CustomExecutor(poolSize);
700	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
701	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
702	>	threadsStarted.countDown();
703	>	try {
704	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
705	>	} catch (InterruptedException success) {}
706	>	ran.getAndIncrement();
707	>	}};
708	>	for (int i = 0; i < count; i++)
709	>	p.execute(waiter);
710	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
711	>	assertEquals(poolSize, p.getActiveCount());
712	>	assertEquals(0, p.getCompletedTaskCount());
713	>	final List<Runnable> queuedTasks;
714		try {
715	<	CustomExecutor p1 = new CustomExecutor(1);
716	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
717	<	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();
715	>	queuedTasks = p.shutdownNow();
716	>	} catch (SecurityException ok) {
717	>	return; // Allowed in case test doesn't have privs
718		}
719	+	assertTrue(p.isShutdown());
720	+	assertTrue(p.getQueue().isEmpty());
721	+	assertEquals(count - poolSize, queuedTasks.size());
722	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
723	+	assertTrue(p.isTerminated());
724	+	assertEquals(poolSize, ran.get());
725	+	assertEquals(poolSize, p.getCompletedTaskCount());
726		}
727
678	–
728		/**
729	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
730	<	* periodic tasks are not cancelled at shutdown
731	<	*/
732	<	public void testShutDown3() {
729	>	* shutdownNow returns a list containing tasks that were not run,
730	>	* and those tasks are drained from the queue
731	>	*/
732	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
733	>	final CustomExecutor p = new CustomExecutor(1);
734	>	List<ScheduledFuture> tasks = new ArrayList<>();
735	>	for (int i = 0; i < 3; i++) {
736	>	Runnable r = new NoOpRunnable();
737	>	tasks.add(p.schedule(r, 9, SECONDS));
738	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
739	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
740	>	}
741	>	if (testImplementationDetails)
742	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
743	>	final List<Runnable> queuedTasks;
744		try {
745	<	CustomExecutor p1 = new CustomExecutor(1);
746	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
747	<	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());
745	>	queuedTasks = p.shutdownNow();
746	>	} catch (SecurityException ok) {
747	>	return; // Allowed in case test doesn't have privs
748		}
749	<	catch(Exception ex) {
750	<	unexpectedException();
749	>	assertTrue(p.isShutdown());
750	>	assertTrue(p.getQueue().isEmpty());
751	>	if (testImplementationDetails)
752	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
753	>	assertEquals(tasks.size(), queuedTasks.size());
754	>	for (ScheduledFuture task : tasks) {
755	>	assertFalse(((CustomTask)task).ran);
756	>	assertFalse(task.isDone());
757	>	assertFalse(task.isCancelled());
758		}
759	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
760	+	assertTrue(p.isTerminated());
761		}
762
763		/**
764	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
765	<	* periodic tasks are cancelled at shutdown
766	<	*/
767	<	public void testShutDown4() {
768	<	CustomExecutor p1 = new CustomExecutor(1);
769	<	try {
770	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
771	<	ScheduledFuture task =
772	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
773	<	assertFalse(task.isCancelled());
774	<	try { p1.shutdown(); } catch(SecurityException ok) { return; }
775	<	assertFalse(task.isCancelled());
776	<	assertFalse(p1.isTerminated());
777	<	assertTrue(p1.isShutdown());
778	<	Thread.sleep(SHORT_DELAY_MS);
779	<	assertFalse(task.isCancelled());
780	<	assertTrue(task.cancel(true));
781	<	assertTrue(task.isDone());
782	<	Thread.sleep(SHORT_DELAY_MS);
783	<	assertTrue(p1.isTerminated());
784	<	}
785	<	catch(Exception ex) {
786	<	unexpectedException();
764	>	* By default, periodic tasks are cancelled at shutdown.
765	>	* By default, delayed tasks keep running after shutdown.
766	>	* Check that changing the default values work:
767	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
768	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
769	>	*/
770	>	public void testShutdown_cancellation() throws Exception {
771	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
772	>	for (Boolean policy : allBooleans)
773	>	{
774	>	final int poolSize = 2;
775	>	final CustomExecutor p = new CustomExecutor(poolSize);
776	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
777	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
778	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
779	>	if (policy != null) {
780	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
781	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
782	>	p.setRemoveOnCancelPolicy(policy);
783	>	}
784	>	assertEquals(effectiveDelayedPolicy,
785	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
786	>	assertEquals(effectivePeriodicPolicy,
787	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
788	>	assertEquals(effectiveRemovePolicy,
789	>	p.getRemoveOnCancelPolicy());
790	>	// Strategy: Wedge the pool with poolSize "blocker" threads
791	>	final AtomicInteger ran = new AtomicInteger(0);
792	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
793	>	final CountDownLatch unblock = new CountDownLatch(1);
794	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
795	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
796	>	Runnable task = new CheckedRunnable() { public void realRun()
797	>	throws InterruptedException {
798	>	poolBlocked.countDown();
799	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
800	>	ran.getAndIncrement();
801	>	}};
802	>	List<Future<?>> blockers = new ArrayList<>();
803	>	List<Future<?>> periodics = new ArrayList<>();
804	>	List<Future<?>> delayeds = new ArrayList<>();
805	>	for (int i = 0; i < poolSize; i++)
806	>	blockers.add(p.submit(task));
807	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
808	>
809	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
810	>	1, 1, MILLISECONDS));
811	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
812	>	1, 1, MILLISECONDS));
813	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
814	>
815	>	assertTrue(p.getQueue().containsAll(periodics));
816	>	assertTrue(p.getQueue().containsAll(delayeds));
817	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
818	>	assertTrue(p.isShutdown());
819	>	assertFalse(p.isTerminated());
820	>	for (Future<?> periodic : periodics) {
821	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
822	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
823	>	}
824	>	for (Future<?> delayed : delayeds) {
825	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
826	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
827	>	}
828	>	if (testImplementationDetails) {
829	>	assertEquals(effectivePeriodicPolicy,
830	>	p.getQueue().containsAll(periodics));
831	>	assertEquals(effectiveDelayedPolicy,
832	>	p.getQueue().containsAll(delayeds));
833	>	}
834	>	// Release all pool threads
835	>	unblock.countDown();
836	>
837	>	for (Future<?> delayed : delayeds) {
838	>	if (effectiveDelayedPolicy) {
839	>	assertNull(delayed.get());
840	>	}
841		}
842	<	finally {
843	<	joinPool(p1);
842	>	if (effectivePeriodicPolicy) {
843	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
844	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
845	>	for (Future<?> periodic : periodics) {
846	>	assertTrue(periodic.cancel(false));
847	>	assertTrue(periodic.isCancelled());
848	>	assertTrue(periodic.isDone());
849	>	}
850		}
851	<	}
851	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
852	>	assertTrue(p.isTerminated());
853	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
854	>	}}
855
856		/**
857		* completed submit of callable returns result
858		*/
859	<	public void testSubmitCallable() {
860	<	ExecutorService e = new CustomExecutor(2);
861	<	try {
859	>	public void testSubmitCallable() throws Exception {
860	>	final ExecutorService e = new CustomExecutor(2);
861	>	try (PoolCleaner cleaner = cleaner(e)) {
862		Future<String> future = e.submit(new StringTask());
863		String result = future.get();
864		assertSame(TEST_STRING, result);
865		}
741	–	catch (ExecutionException ex) {
742	–	unexpectedException();
743	–	}
744	–	catch (InterruptedException ex) {
745	–	unexpectedException();
746	–	} finally {
747	–	joinPool(e);
748	–	}
866		}
867
868		/**
869		* completed submit of runnable returns successfully
870		*/
871	<	public void testSubmitRunnable() {
872	<	ExecutorService e = new CustomExecutor(2);
873	<	try {
871	>	public void testSubmitRunnable() throws Exception {
872	>	final ExecutorService e = new CustomExecutor(2);
873	>	try (PoolCleaner cleaner = cleaner(e)) {
874		Future<?> future = e.submit(new NoOpRunnable());
875		future.get();
876		assertTrue(future.isDone());
877		}
761	–	catch (ExecutionException ex) {
762	–	unexpectedException();
763	–	}
764	–	catch (InterruptedException ex) {
765	–	unexpectedException();
766	–	} finally {
767	–	joinPool(e);
768	–	}
878		}
879
880		/**
881		* completed submit of (runnable, result) returns result
882		*/
883	<	public void testSubmitRunnable2() {
884	<	ExecutorService e = new CustomExecutor(2);
885	<	try {
883	>	public void testSubmitRunnable2() throws Exception {
884	>	final ExecutorService e = new CustomExecutor(2);
885	>	try (PoolCleaner cleaner = cleaner(e)) {
886		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
887		String result = future.get();
888		assertSame(TEST_STRING, result);
889		}
781	–	catch (ExecutionException ex) {
782	–	unexpectedException();
783	–	}
784	–	catch (InterruptedException ex) {
785	–	unexpectedException();
786	–	} finally {
787	–	joinPool(e);
788	–	}
890		}
891
892		/**
893		* invokeAny(null) throws NPE
894		*/
895	<	public void testInvokeAny1() {
896	<	ExecutorService e = new CustomExecutor(2);
897	<	try {
898	<	e.invokeAny(null);
899	<	} catch (NullPointerException success) {
900	<	} catch(Exception ex) {
901	<	unexpectedException();
801	<	} finally {
802	<	joinPool(e);
895	>	public void testInvokeAny1() throws Exception {
896	>	final ExecutorService e = new CustomExecutor(2);
897	>	try (PoolCleaner cleaner = cleaner(e)) {
898	>	try {
899	>	e.invokeAny(null);
900	>	shouldThrow();
901	>	} catch (NullPointerException success) {}
902		}
903		}
904
905		/**
906		* invokeAny(empty collection) throws IAE
907		*/
908	<	public void testInvokeAny2() {
909	<	ExecutorService e = new CustomExecutor(2);
910	<	try {
911	<	e.invokeAny(new ArrayList<Callable<String>>());
912	<	} catch (IllegalArgumentException success) {
913	<	} catch(Exception ex) {
914	<	unexpectedException();
816	<	} finally {
817	<	joinPool(e);
908	>	public void testInvokeAny2() throws Exception {
909	>	final ExecutorService e = new CustomExecutor(2);
910	>	try (PoolCleaner cleaner = cleaner(e)) {
911	>	try {
912	>	e.invokeAny(new ArrayList<Callable<String>>());
913	>	shouldThrow();
914	>	} catch (IllegalArgumentException success) {}
915		}
916		}
917
918		/**
919		* invokeAny(c) throws NPE if c has null elements
920		*/
921	<	public void testInvokeAny3() {
922	<	ExecutorService e = new CustomExecutor(2);
923	<	try {
924	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
925	<	l.add(new StringTask());
921	>	public void testInvokeAny3() throws Exception {
922	>	final CountDownLatch latch = new CountDownLatch(1);
923	>	final ExecutorService e = new CustomExecutor(2);
924	>	try (PoolCleaner cleaner = cleaner(e)) {
925	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
926	>	l.add(latchAwaitingStringTask(latch));
927		l.add(null);
928	<	e.invokeAny(l);
929	<	} catch (NullPointerException success) {
930	<	} catch(Exception ex) {
931	<	unexpectedException();
932	<	} finally {
835	<	joinPool(e);
928	>	try {
929	>	e.invokeAny(l);
930	>	shouldThrow();
931	>	} catch (NullPointerException success) {}
932	>	latch.countDown();
933		}
934		}
935
936		/**
937		* invokeAny(c) throws ExecutionException if no task completes
938		*/
939	<	public void testInvokeAny4() {
940	<	ExecutorService e = new CustomExecutor(2);
941	<	try {
942	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
939	>	public void testInvokeAny4() throws Exception {
940	>	final ExecutorService e = new CustomExecutor(2);
941	>	try (PoolCleaner cleaner = cleaner(e)) {
942	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
943		l.add(new NPETask());
944	<	e.invokeAny(l);
945	<	} catch (ExecutionException success) {
946	<	} catch(Exception ex) {
947	<	unexpectedException();
948	<	} finally {
949	<	joinPool(e);
944	>	try {
945	>	e.invokeAny(l);
946	>	shouldThrow();
947	>	} catch (ExecutionException success) {
948	>	assertTrue(success.getCause() instanceof NullPointerException);
949	>	}
950		}
951		}
952
953		/**
954		* invokeAny(c) returns result of some task
955		*/
956	<	public void testInvokeAny5() {
957	<	ExecutorService e = new CustomExecutor(2);
958	<	try {
959	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
956	>	public void testInvokeAny5() throws Exception {
957	>	final ExecutorService e = new CustomExecutor(2);
958	>	try (PoolCleaner cleaner = cleaner(e)) {
959	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
960		l.add(new StringTask());
961		l.add(new StringTask());
962		String result = e.invokeAny(l);
963		assertSame(TEST_STRING, result);
867	–	} catch (ExecutionException success) {
868	–	} catch(Exception ex) {
869	–	unexpectedException();
870	–	} finally {
871	–	joinPool(e);
964		}
965		}
966
967		/**
968		* invokeAll(null) throws NPE
969		*/
970	<	public void testInvokeAll1() {
971	<	ExecutorService e = new CustomExecutor(2);
972	<	try {
973	<	e.invokeAll(null);
974	<	} catch (NullPointerException success) {
975	<	} catch(Exception ex) {
976	<	unexpectedException();
885	<	} finally {
886	<	joinPool(e);
970	>	public void testInvokeAll1() throws Exception {
971	>	final ExecutorService e = new CustomExecutor(2);
972	>	try (PoolCleaner cleaner = cleaner(e)) {
973	>	try {
974	>	e.invokeAll(null);
975	>	shouldThrow();
976	>	} catch (NullPointerException success) {}
977		}
978		}
979
980		/**
981		* invokeAll(empty collection) returns empty collection
982		*/
983	<	public void testInvokeAll2() {
984	<	ExecutorService e = new CustomExecutor(2);
985	<	try {
983	>	public void testInvokeAll2() throws Exception {
984	>	final ExecutorService e = new CustomExecutor(2);
985	>	try (PoolCleaner cleaner = cleaner(e)) {
986		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
987		assertTrue(r.isEmpty());
898	–	} catch(Exception ex) {
899	–	unexpectedException();
900	–	} finally {
901	–	joinPool(e);
988		}
989		}
990
991		/**
992		* invokeAll(c) throws NPE if c has null elements
993		*/
994	<	public void testInvokeAll3() {
995	<	ExecutorService e = new CustomExecutor(2);
996	<	try {
997	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
994	>	public void testInvokeAll3() throws Exception {
995	>	final ExecutorService e = new CustomExecutor(2);
996	>	try (PoolCleaner cleaner = cleaner(e)) {
997	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
998		l.add(new StringTask());
999		l.add(null);
1000	<	e.invokeAll(l);
1001	<	} catch (NullPointerException success) {
1002	<	} catch(Exception ex) {
1003	<	unexpectedException();
918	<	} finally {
919	<	joinPool(e);
1000	>	try {
1001	>	e.invokeAll(l);
1002	>	shouldThrow();
1003	>	} catch (NullPointerException success) {}
1004		}
1005		}
1006
1007		/**
1008		* get of invokeAll(c) throws exception on failed task
1009		*/
1010	<	public void testInvokeAll4() {
1011	<	ExecutorService e = new CustomExecutor(2);
1012	<	try {
1013	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1010	>	public void testInvokeAll4() throws Exception {
1011	>	final ExecutorService e = new CustomExecutor(2);
1012	>	try (PoolCleaner cleaner = cleaner(e)) {
1013	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1014		l.add(new NPETask());
1015	<	List<Future<String>> result = e.invokeAll(l);
1016	<	assertEquals(1, result.size());
1017	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1018	<	it.next().get();
1019	<	} catch(ExecutionException success) {
1020	<	} catch(Exception ex) {
1021	<	unexpectedException();
1022	<	} finally {
939	<	joinPool(e);
1015	>	List<Future<String>> futures = e.invokeAll(l);
1016	>	assertEquals(1, futures.size());
1017	>	try {
1018	>	futures.get(0).get();
1019	>	shouldThrow();
1020	>	} catch (ExecutionException success) {
1021	>	assertTrue(success.getCause() instanceof NullPointerException);
1022	>	}
1023		}
1024		}
1025
1026		/**
1027		* invokeAll(c) returns results of all completed tasks
1028		*/
1029	<	public void testInvokeAll5() {
1030	<	ExecutorService e = new CustomExecutor(2);
1031	<	try {
1032	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1029	>	public void testInvokeAll5() throws Exception {
1030	>	final ExecutorService e = new CustomExecutor(2);
1031	>	try (PoolCleaner cleaner = cleaner(e)) {
1032	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1033		l.add(new StringTask());
1034		l.add(new StringTask());
1035	<	List<Future<String>> result = e.invokeAll(l);
1036	<	assertEquals(2, result.size());
1037	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1038	<	assertSame(TEST_STRING, it.next().get());
956	<	} catch (ExecutionException success) {
957	<	} catch(Exception ex) {
958	<	unexpectedException();
959	<	} finally {
960	<	joinPool(e);
1035	>	List<Future<String>> futures = e.invokeAll(l);
1036	>	assertEquals(2, futures.size());
1037	>	for (Future<String> future : futures)
1038	>	assertSame(TEST_STRING, future.get());
1039		}
1040		}
1041
1042		/**
1043		* timed invokeAny(null) throws NPE
1044		*/
1045	<	public void testTimedInvokeAny1() {
1046	<	ExecutorService e = new CustomExecutor(2);
1047	<	try {
1048	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1049	<	} catch (NullPointerException success) {
1050	<	} catch(Exception ex) {
1051	<	unexpectedException();
974	<	} finally {
975	<	joinPool(e);
1045	>	public void testTimedInvokeAny1() throws Exception {
1046	>	final ExecutorService e = new CustomExecutor(2);
1047	>	try (PoolCleaner cleaner = cleaner(e)) {
1048	>	try {
1049	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1050	>	shouldThrow();
1051	>	} catch (NullPointerException success) {}
1052		}
1053		}
1054
1055		/**
1056		* timed invokeAny(,,null) throws NPE
1057		*/
1058	<	public void testTimedInvokeAnyNullTimeUnit() {
1059	<	ExecutorService e = new CustomExecutor(2);
1060	<	try {
1061	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1058	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1059	>	final ExecutorService e = new CustomExecutor(2);
1060	>	try (PoolCleaner cleaner = cleaner(e)) {
1061	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1062		l.add(new StringTask());
1063	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1064	<	} catch (NullPointerException success) {
1065	<	} catch(Exception ex) {
1066	<	unexpectedException();
991	<	} finally {
992	<	joinPool(e);
1063	>	try {
1064	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1065	>	shouldThrow();
1066	>	} catch (NullPointerException success) {}
1067		}
1068		}
1069
1070		/**
1071		* timed invokeAny(empty collection) throws IAE
1072		*/
1073	<	public void testTimedInvokeAny2() {
1074	<	ExecutorService e = new CustomExecutor(2);
1075	<	try {
1076	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1077	<	} catch (IllegalArgumentException success) {
1078	<	} catch(Exception ex) {
1079	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
1073	>	public void testTimedInvokeAny2() throws Exception {
1074	>	final ExecutorService e = new CustomExecutor(2);
1075	>	try (PoolCleaner cleaner = cleaner(e)) {
1076	>	try {
1077	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1078	>	shouldThrow();
1079	>	} catch (IllegalArgumentException success) {}
1080		}
1081		}
1082
1083		/**
1084		* timed invokeAny(c) throws NPE if c has null elements
1085		*/
1086	<	public void testTimedInvokeAny3() {
1087	<	ExecutorService e = new CustomExecutor(2);
1088	<	try {
1089	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1090	<	l.add(new StringTask());
1086	>	public void testTimedInvokeAny3() throws Exception {
1087	>	CountDownLatch latch = new CountDownLatch(1);
1088	>	final ExecutorService e = new CustomExecutor(2);
1089	>	try (PoolCleaner cleaner = cleaner(e)) {
1090	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1091	>	l.add(latchAwaitingStringTask(latch));
1092		l.add(null);
1093	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1094	<	} catch (NullPointerException success) {
1095	<	} catch(Exception ex) {
1096	<	ex.printStackTrace();
1097	<	unexpectedException();
1025	<	} finally {
1026	<	joinPool(e);
1093	>	try {
1094	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1095	>	shouldThrow();
1096	>	} catch (NullPointerException success) {}
1097	>	latch.countDown();
1098		}
1099		}
1100
1101		/**
1102		* timed invokeAny(c) throws ExecutionException if no task completes
1103		*/
1104	<	public void testTimedInvokeAny4() {
1105	<	ExecutorService e = new CustomExecutor(2);
1106	<	try {
1107	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1104	>	public void testTimedInvokeAny4() throws Exception {
1105	>	final ExecutorService e = new CustomExecutor(2);
1106	>	try (PoolCleaner cleaner = cleaner(e)) {
1107	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1108		l.add(new NPETask());
1109	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1110	<	} catch(ExecutionException success) {
1111	<	} catch(Exception ex) {
1112	<	unexpectedException();
1113	<	} finally {
1114	<	joinPool(e);
1109	>	try {
1110	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1111	>	shouldThrow();
1112	>	} catch (ExecutionException success) {
1113	>	assertTrue(success.getCause() instanceof NullPointerException);
1114	>	}
1115		}
1116		}
1117
1118		/**
1119		* timed invokeAny(c) returns result of some task
1120		*/
1121	<	public void testTimedInvokeAny5() {
1122	<	ExecutorService e = new CustomExecutor(2);
1123	<	try {
1124	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1121	>	public void testTimedInvokeAny5() throws Exception {
1122	>	final ExecutorService e = new CustomExecutor(2);
1123	>	try (PoolCleaner cleaner = cleaner(e)) {
1124	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1125		l.add(new StringTask());
1126		l.add(new StringTask());
1127	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1127	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1128		assertSame(TEST_STRING, result);
1058	–	} catch (ExecutionException success) {
1059	–	} catch(Exception ex) {
1060	–	unexpectedException();
1061	–	} finally {
1062	–	joinPool(e);
1129		}
1130		}
1131
1132		/**
1133		* timed invokeAll(null) throws NPE
1134		*/
1135	<	public void testTimedInvokeAll1() {
1136	<	ExecutorService e = new CustomExecutor(2);
1137	<	try {
1138	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1139	<	} catch (NullPointerException success) {
1140	<	} catch(Exception ex) {
1141	<	unexpectedException();
1076	<	} finally {
1077	<	joinPool(e);
1135	>	public void testTimedInvokeAll1() throws Exception {
1136	>	final ExecutorService e = new CustomExecutor(2);
1137	>	try (PoolCleaner cleaner = cleaner(e)) {
1138	>	try {
1139	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1140	>	shouldThrow();
1141	>	} catch (NullPointerException success) {}
1142		}
1143		}
1144
1145		/**
1146		* timed invokeAll(,,null) throws NPE
1147		*/
1148	<	public void testTimedInvokeAllNullTimeUnit() {
1149	<	ExecutorService e = new CustomExecutor(2);
1150	<	try {
1151	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1148	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1149	>	final ExecutorService e = new CustomExecutor(2);
1150	>	try (PoolCleaner cleaner = cleaner(e)) {
1151	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1152		l.add(new StringTask());
1153	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1154	<	} catch (NullPointerException success) {
1155	<	} catch(Exception ex) {
1156	<	unexpectedException();
1093	<	} finally {
1094	<	joinPool(e);
1153	>	try {
1154	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1155	>	shouldThrow();
1156	>	} catch (NullPointerException success) {}
1157		}
1158		}
1159
1160		/**
1161		* timed invokeAll(empty collection) returns empty collection
1162		*/
1163	<	public void testTimedInvokeAll2() {
1164	<	ExecutorService e = new CustomExecutor(2);
1165	<	try {
1166	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1163	>	public void testTimedInvokeAll2() throws Exception {
1164	>	final ExecutorService e = new CustomExecutor(2);
1165	>	try (PoolCleaner cleaner = cleaner(e)) {
1166	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1167		assertTrue(r.isEmpty());
1106	–	} catch(Exception ex) {
1107	–	unexpectedException();
1108	–	} finally {
1109	–	joinPool(e);
1168		}
1169		}
1170
1171		/**
1172		* timed invokeAll(c) throws NPE if c has null elements
1173		*/
1174	<	public void testTimedInvokeAll3() {
1175	<	ExecutorService e = new CustomExecutor(2);
1176	<	try {
1177	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1174	>	public void testTimedInvokeAll3() throws Exception {
1175	>	final ExecutorService e = new CustomExecutor(2);
1176	>	try (PoolCleaner cleaner = cleaner(e)) {
1177	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1178		l.add(new StringTask());
1179		l.add(null);
1180	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1181	<	} catch (NullPointerException success) {
1182	<	} catch(Exception ex) {
1183	<	unexpectedException();
1126	<	} finally {
1127	<	joinPool(e);
1180	>	try {
1181	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1182	>	shouldThrow();
1183	>	} catch (NullPointerException success) {}
1184		}
1185		}
1186
1187		/**
1188		* get of element of invokeAll(c) throws exception on failed task
1189		*/
1190	<	public void testTimedInvokeAll4() {
1191	<	ExecutorService e = new CustomExecutor(2);
1192	<	try {
1193	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1190	>	public void testTimedInvokeAll4() throws Exception {
1191	>	final ExecutorService e = new CustomExecutor(2);
1192	>	try (PoolCleaner cleaner = cleaner(e)) {
1193	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1194		l.add(new NPETask());
1195	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1196	<	assertEquals(1, result.size());
1197	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1198	<	it.next().get();
1199	<	} catch(ExecutionException success) {
1200	<	} catch(Exception ex) {
1201	<	unexpectedException();
1202	<	} finally {
1203	<	joinPool(e);
1195	>	List<Future<String>> futures =
1196	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1197	>	assertEquals(1, futures.size());
1198	>	try {
1199	>	futures.get(0).get();
1200	>	shouldThrow();
1201	>	} catch (ExecutionException success) {
1202	>	assertTrue(success.getCause() instanceof NullPointerException);
1203	>	}
1204		}
1205		}
1206
1207		/**
1208		* timed invokeAll(c) returns results of all completed tasks
1209		*/
1210	<	public void testTimedInvokeAll5() {
1211	<	ExecutorService e = new CustomExecutor(2);
1212	<	try {
1213	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1210	>	public void testTimedInvokeAll5() throws Exception {
1211	>	final ExecutorService e = new CustomExecutor(2);
1212	>	try (PoolCleaner cleaner = cleaner(e)) {
1213	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1214		l.add(new StringTask());
1215		l.add(new StringTask());
1216	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1217	<	assertEquals(2, result.size());
1218	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1219	<	assertSame(TEST_STRING, it.next().get());
1220	<	} catch (ExecutionException success) {
1165	<	} catch(Exception ex) {
1166	<	unexpectedException();
1167	<	} finally {
1168	<	joinPool(e);
1216	>	List<Future<String>> futures =
1217	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1218	>	assertEquals(2, futures.size());
1219	>	for (Future<String> future : futures)
1220	>	assertSame(TEST_STRING, future.get());
1221		}
1222		}
1223
1224		/**
1225		* timed invokeAll(c) cancels tasks not completed by timeout
1226		*/
1227	<	public void testTimedInvokeAll6() {
1228	<	ExecutorService e = new CustomExecutor(2);
1229	<	try {
1230	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1231	<	l.add(new StringTask());
1232	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1233	<	l.add(new StringTask());
1234	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1235	<	assertEquals(3, result.size());
1236	<	Iterator<Future<String>> it = result.iterator();
1237	<	Future<String> f1 = it.next();
1238	<	Future<String> f2 = it.next();
1239	<	Future<String> f3 = it.next();
1240	<	assertTrue(f1.isDone());
1241	<	assertTrue(f2.isDone());
1242	<	assertTrue(f3.isDone());
1243	<	assertFalse(f1.isCancelled());
1244	<	assertTrue(f2.isCancelled());
1245	<	} catch(Exception ex) {
1246	<	unexpectedException();
1247	<	} finally {
1248	<	joinPool(e);
1227	>	public void testTimedInvokeAll6() throws Exception {
1228	>	final ExecutorService e = new CustomExecutor(2);
1229	>	try (PoolCleaner cleaner = cleaner(e)) {
1230	>	for (long timeout = timeoutMillis();;) {
1231	>	List<Callable<String>> tasks = new ArrayList<>();
1232	>	tasks.add(new StringTask("0"));
1233	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1234	>	tasks.add(new StringTask("2"));
1235	>	long startTime = System.nanoTime();
1236	>	List<Future<String>> futures =
1237	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1238	>	assertEquals(tasks.size(), futures.size());
1239	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1240	>	for (Future future : futures)
1241	>	assertTrue(future.isDone());
1242	>	assertTrue(futures.get(1).isCancelled());
1243	>	try {
1244	>	assertEquals("0", futures.get(0).get());
1245	>	assertEquals("2", futures.get(2).get());
1246	>	break;
1247	>	} catch (CancellationException retryWithLongerTimeout) {
1248	>	timeout *= 2;
1249	>	if (timeout >= LONG_DELAY_MS / 2)
1250	>	fail("expected exactly one task to be cancelled");
1251	>	}
1252	>	}
1253		}
1254		}
1255
1200	–
1256		}

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