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root/jsr166/jsr166/src/test/tck/ScheduledExecutorTest.java

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.29 by jsr166, Tue Dec 1 22:51:44 2009 UTC vs.
Revision 1.86 by jsr166, Sat Mar 25 21:41:10 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.util.concurrent.atomic.*;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>	import static java.util.concurrent.TimeUnit.SECONDS;
12	>
13	>	import java.util.ArrayList;
14	>	import java.util.HashSet;
15	>	import java.util.List;
16	>	import java.util.concurrent.BlockingQueue;
17	>	import java.util.concurrent.Callable;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.CountDownLatch;
20	>	import java.util.concurrent.ExecutionException;
21	>	import java.util.concurrent.ExecutorService;
22	>	import java.util.concurrent.Future;
23	>	import java.util.concurrent.RejectedExecutionException;
24	>	import java.util.concurrent.ScheduledFuture;
25	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
26	>	import java.util.concurrent.ThreadFactory;
27	>	import java.util.concurrent.ThreadPoolExecutor;
28	>	import java.util.concurrent.atomic.AtomicBoolean;
29	>	import java.util.concurrent.atomic.AtomicInteger;
30	>	import java.util.concurrent.atomic.AtomicLong;
31	>
32	>	import junit.framework.Test;
33	>	import junit.framework.TestSuite;
34
35		public class ScheduledExecutorTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39		public static Test suite() {
40		return new TestSuite(ScheduledExecutorTest.class);
41		}
42
23	–
43		/**
44		* execute successfully executes a runnable
45		*/
46		public void testExecute() throws InterruptedException {
47	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
48	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
49	<	p1.execute(runnable);
50	<	assertFalse(runnable.done);
51	<	Thread.sleep(SHORT_DELAY_MS);
52	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
53	<	Thread.sleep(MEDIUM_DELAY_MS);
54	<	assertTrue(runnable.done);
36	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
37	<	joinPool(p1);
47	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	try (PoolCleaner cleaner = cleaner(p)) {
49	>	final CountDownLatch done = new CountDownLatch(1);
50	>	final Runnable task = new CheckedRunnable() {
51	>	public void realRun() { done.countDown(); }};
52	>	p.execute(task);
53	>	await(done);
54	>	}
55		}
56
40	–
57		/**
58		* delayed schedule of callable successfully executes after delay
59		*/
60		public void testSchedule1() throws Exception {
61	<	TrackedCallable callable = new TrackedCallable();
62	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
63	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
64	<	assertFalse(callable.done);
65	<	Thread.sleep(MEDIUM_DELAY_MS);
66	<	assertTrue(callable.done);
67	<	assertEquals(Boolean.TRUE, f.get());
68	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
69	<	joinPool(p1);
61	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	try (PoolCleaner cleaner = cleaner(p)) {
63	>	final long startTime = System.nanoTime();
64	>	final CountDownLatch done = new CountDownLatch(1);
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75	>	}
76		}
77
78		/**
79	<	*  delayed schedule of runnable successfully executes after delay
80	<	*/
81	<	public void testSchedule3() throws InterruptedException {
82	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
83	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
84	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
85	<	Thread.sleep(SHORT_DELAY_MS);
86	<	assertFalse(runnable.done);
87	<	Thread.sleep(MEDIUM_DELAY_MS);
88	<	assertTrue(runnable.done);
89	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
90	<	joinPool(p1);
79	>	* delayed schedule of runnable successfully executes after delay
80	>	*/
81	>	public void testSchedule3() throws Exception {
82	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
83	>	try (PoolCleaner cleaner = cleaner(p)) {
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86	>	Runnable task = new CheckedRunnable() {
87	>	public void realRun() {
88	>	done.countDown();
89	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
90	>	}};
91	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
92	>	await(done);
93	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
94	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
95	>	}
96		}
97
98		/**
99		* scheduleAtFixedRate executes runnable after given initial delay
100		*/
101	<	public void testSchedule4() throws InterruptedException {
102	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
103	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
104	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
105	<	assertFalse(runnable.done);
106	<	Thread.sleep(MEDIUM_DELAY_MS);
107	<	assertTrue(runnable.done);
108	<	h.cancel(true);
109	<	joinPool(p1);
110	<	}
111	<
112	<	static class RunnableCounter implements Runnable {
113	<	AtomicInteger count = new AtomicInteger(0);
114	<	public void run() { count.getAndIncrement(); }
101	>	public void testSchedule4() throws Exception {
102	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
103	>	try (PoolCleaner cleaner = cleaner(p)) {
104	>	final long startTime = System.nanoTime();
105	>	final CountDownLatch done = new CountDownLatch(1);
106	>	Runnable task = new CheckedRunnable() {
107	>	public void realRun() {
108	>	done.countDown();
109	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
110	>	}};
111	>	ScheduledFuture f =
112	>	p.scheduleAtFixedRate(task, timeoutMillis(),
113	>	LONG_DELAY_MS, MILLISECONDS);
114	>	await(done);
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	f.cancel(true);
117	>	}
118		}
119
120		/**
121		* scheduleWithFixedDelay executes runnable after given initial delay
122		*/
123	<	public void testSchedule5() throws InterruptedException {
124	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
125	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
126	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
127	<	assertFalse(runnable.done);
128	<	Thread.sleep(MEDIUM_DELAY_MS);
129	<	assertTrue(runnable.done);
130	<	h.cancel(true);
131	<	joinPool(p1);
123	>	public void testSchedule5() throws Exception {
124	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
125	>	try (PoolCleaner cleaner = cleaner(p)) {
126	>	final long startTime = System.nanoTime();
127	>	final CountDownLatch done = new CountDownLatch(1);
128	>	Runnable task = new CheckedRunnable() {
129	>	public void realRun() {
130	>	done.countDown();
131	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
132	>	}};
133	>	ScheduledFuture f =
134	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
135	>	LONG_DELAY_MS, MILLISECONDS);
136	>	await(done);
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	f.cancel(true);
139	>	}
140	>	}
141	>
142	>	static class RunnableCounter implements Runnable {
143	>	AtomicInteger count = new AtomicInteger(0);
144	>	public void run() { count.getAndIncrement(); }
145		}
146
147		/**
148	<	* scheduleAtFixedRate executes series of tasks at given rate
148	>	* scheduleAtFixedRate executes series of tasks at given rate.
149	>	* Eventually, it must hold that:
150	>	*   cycles - 1 <= elapsedMillis/delay < cycles
151		*/
152		public void testFixedRateSequence() throws InterruptedException {
153	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
154	<	RunnableCounter counter = new RunnableCounter();
155	<	ScheduledFuture h =
156	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
157	<	Thread.sleep(SMALL_DELAY_MS);
158	<	h.cancel(true);
159	<	int c = counter.count.get();
160	<	// By time scaling conventions, we must have at least
161	<	// an execution per SHORT delay, but no more than one SHORT more
162	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
163	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
164	<	joinPool(p1);
153	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
154	>	try (PoolCleaner cleaner = cleaner(p)) {
155	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
156	>	final long startTime = System.nanoTime();
157	>	final int cycles = 8;
158	>	final CountDownLatch done = new CountDownLatch(cycles);
159	>	final Runnable task = new CheckedRunnable() {
160	>	public void realRun() { done.countDown(); }};
161	>	final ScheduledFuture periodicTask =
162	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
163	>	final int totalDelayMillis = (cycles - 1) * delay;
164	>	await(done, totalDelayMillis + LONG_DELAY_MS);
165	>	periodicTask.cancel(true);
166	>	final long elapsedMillis = millisElapsedSince(startTime);
167	>	assertTrue(elapsedMillis >= totalDelayMillis);
168	>	if (elapsedMillis <= cycles * delay)
169	>	return;
170	>	// else retry with longer delay
171	>	}
172	>	fail("unexpected execution rate");
173	>	}
174		}
175
176		/**
177	<	* scheduleWithFixedDelay executes series of tasks with given period
177	>	* scheduleWithFixedDelay executes series of tasks with given period.
178	>	* Eventually, it must hold that each task starts at least delay and at
179	>	* most 2 * delay after the termination of the previous task.
180		*/
181		public void testFixedDelaySequence() throws InterruptedException {
182	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
183	<	RunnableCounter counter = new RunnableCounter();
184	<	ScheduledFuture h =
185	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
186	<	Thread.sleep(SMALL_DELAY_MS);
187	<	h.cancel(true);
188	<	int c = counter.count.get();
189	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
190	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
191	<	joinPool(p1);
182	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
183	>	try (PoolCleaner cleaner = cleaner(p)) {
184	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
185	>	final long startTime = System.nanoTime();
186	>	final AtomicLong previous = new AtomicLong(startTime);
187	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
188	>	final int cycles = 8;
189	>	final CountDownLatch done = new CountDownLatch(cycles);
190	>	final int d = delay;
191	>	final Runnable task = new CheckedRunnable() {
192	>	public void realRun() {
193	>	long now = System.nanoTime();
194	>	long elapsedMillis
195	>	= NANOSECONDS.toMillis(now - previous.get());
196	>	if (done.getCount() == cycles) { // first execution
197	>	if (elapsedMillis >= d)
198	>	tryLongerDelay.set(true);
199	>	} else {
200	>	assertTrue(elapsedMillis >= d);
201	>	if (elapsedMillis >= 2 * d)
202	>	tryLongerDelay.set(true);
203	>	}
204	>	previous.set(now);
205	>	done.countDown();
206	>	}};
207	>	final ScheduledFuture periodicTask =
208	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
209	>	final int totalDelayMillis = (cycles - 1) * delay;
210	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
211	>	periodicTask.cancel(true);
212	>	final long elapsedMillis = millisElapsedSince(startTime);
213	>	assertTrue(elapsedMillis >= totalDelayMillis);
214	>	if (!tryLongerDelay.get())
215	>	return;
216	>	// else retry with longer delay
217	>	}
218	>	fail("unexpected execution rate");
219	>	}
220		}
221
138	–
222		/**
223	<	*  execute (null) throws NPE
223	>	* execute(null) throws NPE
224		*/
225		public void testExecuteNull() throws InterruptedException {
226	<	ScheduledThreadPoolExecutor se = null;
227	<	try {
228	<	se = new ScheduledThreadPoolExecutor(1);
229	<	se.execute(null);
230	<	shouldThrow();
231	<	} catch (NullPointerException success) {}
232	<
150	<	joinPool(se);
226	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	try {
229	>	p.execute(null);
230	>	shouldThrow();
231	>	} catch (NullPointerException success) {}
232	>	}
233		}
234
235		/**
236	<	* schedule (null) throws NPE
236	>	* schedule(null) throws NPE
237		*/
238		public void testScheduleNull() throws InterruptedException {
239	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
240	<	try {
241	<	TrackedCallable callable = null;
242	<	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
243	<	shouldThrow();
244	<	} catch (NullPointerException success) {}
245	<	joinPool(se);
239	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
240	>	try (PoolCleaner cleaner = cleaner(p)) {
241	>	try {
242	>	TrackedCallable callable = null;
243	>	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
244	>	shouldThrow();
245	>	} catch (NullPointerException success) {}
246	>	}
247		}
248
249		/**
250		* execute throws RejectedExecutionException if shutdown
251		*/
252		public void testSchedule1_RejectedExecutionException() throws InterruptedException {
253	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254	<	try {
255	<	se.shutdown();
256	<	se.schedule(new NoOpRunnable(),
257	<	MEDIUM_DELAY_MS, MILLISECONDS);
258	<	shouldThrow();
259	<	} catch (RejectedExecutionException success) {
260	<	} catch (SecurityException ok) {
253	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
254	>	try (PoolCleaner cleaner = cleaner(p)) {
255	>	try {
256	>	p.shutdown();
257	>	p.schedule(new NoOpRunnable(),
258	>	MEDIUM_DELAY_MS, MILLISECONDS);
259	>	shouldThrow();
260	>	} catch (RejectedExecutionException success) {
261	>	} catch (SecurityException ok) {}
262		}
179	–
180	–	joinPool(se);
263		}
264
265		/**
266		* schedule throws RejectedExecutionException if shutdown
267		*/
268		public void testSchedule2_RejectedExecutionException() throws InterruptedException {
269	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270	<	try {
271	<	se.shutdown();
272	<	se.schedule(new NoOpCallable(),
273	<	MEDIUM_DELAY_MS, MILLISECONDS);
274	<	shouldThrow();
275	<	} catch (RejectedExecutionException success) {
276	<	} catch (SecurityException ok) {
269	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	try {
272	>	p.shutdown();
273	>	p.schedule(new NoOpCallable(),
274	>	MEDIUM_DELAY_MS, MILLISECONDS);
275	>	shouldThrow();
276	>	} catch (RejectedExecutionException success) {
277	>	} catch (SecurityException ok) {}
278		}
196	–	joinPool(se);
279		}
280
281		/**
282		* schedule callable throws RejectedExecutionException if shutdown
283		*/
284	<	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
286	<	try {
287	<	se.shutdown();
288	<	se.schedule(new NoOpCallable(),
289	<	MEDIUM_DELAY_MS, MILLISECONDS);
290	<	shouldThrow();
291	<	} catch (RejectedExecutionException success) {
292	<	} catch (SecurityException ok) {
284	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
286	>	try (PoolCleaner cleaner = cleaner(p)) {
287	>	try {
288	>	p.shutdown();
289	>	p.schedule(new NoOpCallable(),
290	>	MEDIUM_DELAY_MS, MILLISECONDS);
291	>	shouldThrow();
292	>	} catch (RejectedExecutionException success) {
293	>	} catch (SecurityException ok) {}
294		}
212	–	joinPool(se);
295		}
296
297		/**
298	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
298	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
299		*/
300		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
301	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
302	<	try {
303	<	se.shutdown();
304	<	se.scheduleAtFixedRate(new NoOpRunnable(),
305	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
306	<	shouldThrow();
307	<	} catch (RejectedExecutionException success) {
308	<	} catch (SecurityException ok) {
301	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
302	>	try (PoolCleaner cleaner = cleaner(p)) {
303	>	try {
304	>	p.shutdown();
305	>	p.scheduleAtFixedRate(new NoOpRunnable(),
306	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	>	shouldThrow();
308	>	} catch (RejectedExecutionException success) {
309	>	} catch (SecurityException ok) {}
310		}
228	–	joinPool(se);
311		}
312
313		/**
314		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
315		*/
316		public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
317	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
318	<	try {
319	<	se.shutdown();
320	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
321	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
322	<	shouldThrow();
323	<	} catch (RejectedExecutionException success) {
324	<	} catch (SecurityException ok) {
317	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
318	>	try (PoolCleaner cleaner = cleaner(p)) {
319	>	try {
320	>	p.shutdown();
321	>	p.scheduleWithFixedDelay(new NoOpRunnable(),
322	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	>	shouldThrow();
324	>	} catch (RejectedExecutionException success) {
325	>	} catch (SecurityException ok) {}
326		}
244	–	joinPool(se);
327		}
328
329		/**
330	<	*  getActiveCount increases but doesn't overestimate, when a
331	<	*  thread becomes active
330	>	* getActiveCount increases but doesn't overestimate, when a
331	>	* thread becomes active
332		*/
333		public void testGetActiveCount() throws InterruptedException {
334	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
335	<	assertEquals(0, p2.getActiveCount());
336	<	p2.execute(new SmallRunnable());
337	<	Thread.sleep(SHORT_DELAY_MS);
338	<	assertEquals(1, p2.getActiveCount());
339	<	joinPool(p2);
334	>	final CountDownLatch done = new CountDownLatch(1);
335	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
336	>	try (PoolCleaner cleaner = cleaner(p, done)) {
337	>	final CountDownLatch threadStarted = new CountDownLatch(1);
338	>	assertEquals(0, p.getActiveCount());
339	>	p.execute(new CheckedRunnable() {
340	>	public void realRun() throws InterruptedException {
341	>	threadStarted.countDown();
342	>	assertEquals(1, p.getActiveCount());
343	>	await(done);
344	>	}});
345	>	await(threadStarted);
346	>	assertEquals(1, p.getActiveCount());
347	>	}
348		}
349
350		/**
351	<	*    getCompletedTaskCount increases, but doesn't overestimate,
352	<	*   when tasks complete
351	>	* getCompletedTaskCount increases, but doesn't overestimate,
352	>	* when tasks complete
353		*/
354		public void testGetCompletedTaskCount() throws InterruptedException {
355	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
356	<	assertEquals(0, p2.getCompletedTaskCount());
357	<	p2.execute(new SmallRunnable());
358	<	Thread.sleep(MEDIUM_DELAY_MS);
359	<	assertEquals(1, p2.getCompletedTaskCount());
360	<	joinPool(p2);
355	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
356	>	try (PoolCleaner cleaner = cleaner(p)) {
357	>	final CountDownLatch threadStarted = new CountDownLatch(1);
358	>	final CountDownLatch threadProceed = new CountDownLatch(1);
359	>	final CountDownLatch threadDone = new CountDownLatch(1);
360	>	assertEquals(0, p.getCompletedTaskCount());
361	>	p.execute(new CheckedRunnable() {
362	>	public void realRun() throws InterruptedException {
363	>	threadStarted.countDown();
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	await(threadProceed);
366	>	threadDone.countDown();
367	>	}});
368	>	await(threadStarted);
369	>	assertEquals(0, p.getCompletedTaskCount());
370	>	threadProceed.countDown();
371	>	await(threadDone);
372	>	long startTime = System.nanoTime();
373	>	while (p.getCompletedTaskCount() != 1) {
374	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
375	>	fail("timed out");
376	>	Thread.yield();
377	>	}
378	>	}
379		}
380
381		/**
382	<	*  getCorePoolSize returns size given in constructor if not otherwise set
382	>	* getCorePoolSize returns size given in constructor if not otherwise set
383		*/
384		public void testGetCorePoolSize() throws InterruptedException {
385	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
386	<	assertEquals(1, p1.getCorePoolSize());
387	<	joinPool(p1);
385	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
386	>	try (PoolCleaner cleaner = cleaner(p)) {
387	>	assertEquals(1, p.getCorePoolSize());
388	>	}
389		}
390
391		/**
392	<	*    getLargestPoolSize increases, but doesn't overestimate, when
393	<	*   multiple threads active
392	>	* getLargestPoolSize increases, but doesn't overestimate, when
393	>	* multiple threads active
394		*/
395		public void testGetLargestPoolSize() throws InterruptedException {
396	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
397	<	assertEquals(0, p2.getLargestPoolSize());
398	<	p2.execute(new SmallRunnable());
399	<	p2.execute(new SmallRunnable());
400	<	Thread.sleep(SHORT_DELAY_MS);
401	<	assertEquals(2, p2.getLargestPoolSize());
402	<	joinPool(p2);
396	>	final int THREADS = 3;
397	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
398	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
399	>	final CountDownLatch done = new CountDownLatch(1);
400	>	try (PoolCleaner cleaner = cleaner(p, done)) {
401	>	assertEquals(0, p.getLargestPoolSize());
402	>	for (int i = 0; i < THREADS; i++)
403	>	p.execute(new CheckedRunnable() {
404	>	public void realRun() throws InterruptedException {
405	>	threadsStarted.countDown();
406	>	await(done);
407	>	assertEquals(THREADS, p.getLargestPoolSize());
408	>	}});
409	>	await(threadsStarted);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411	>	}
412	>	assertEquals(THREADS, p.getLargestPoolSize());
413		}
414
415		/**
416	<	*   getPoolSize increases, but doesn't overestimate, when threads
417	<	*   become active
416	>	* getPoolSize increases, but doesn't overestimate, when threads
417	>	* become active
418		*/
419		public void testGetPoolSize() throws InterruptedException {
420	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
421	<	assertEquals(0, p1.getPoolSize());
422	<	p1.execute(new SmallRunnable());
423	<	assertEquals(1, p1.getPoolSize());
424	<	joinPool(p1);
420	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
421	>	final CountDownLatch threadStarted = new CountDownLatch(1);
422	>	final CountDownLatch done = new CountDownLatch(1);
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424	>	assertEquals(0, p.getPoolSize());
425	>	p.execute(new CheckedRunnable() {
426	>	public void realRun() throws InterruptedException {
427	>	threadStarted.countDown();
428	>	assertEquals(1, p.getPoolSize());
429	>	await(done);
430	>	}});
431	>	await(threadStarted);
432	>	assertEquals(1, p.getPoolSize());
433	>	}
434		}
435
436		/**
437	<	*    getTaskCount increases, but doesn't overestimate, when tasks
438	<	*    submitted
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439		*/
440		public void testGetTaskCount() throws InterruptedException {
441	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
442	<	assertEquals(0, p1.getTaskCount());
443	<	for (int i = 0; i < 5; i++)
444	<	p1.execute(new SmallRunnable());
445	<	Thread.sleep(SHORT_DELAY_MS);
446	<	assertEquals(5, p1.getTaskCount());
447	<	joinPool(p1);
441	>	final int TASKS = 3;
442	>	final CountDownLatch done = new CountDownLatch(1);
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	try (PoolCleaner cleaner = cleaner(p, done)) {
445	>	final CountDownLatch threadStarted = new CountDownLatch(1);
446	>	assertEquals(0, p.getTaskCount());
447	>	assertEquals(0, p.getCompletedTaskCount());
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	await(done);
452	>	}});
453	>	await(threadStarted);
454	>	assertEquals(1, p.getTaskCount());
455	>	assertEquals(0, p.getCompletedTaskCount());
456	>	for (int i = 0; i < TASKS; i++) {
457	>	assertEquals(1 + i, p.getTaskCount());
458	>	p.execute(new CheckedRunnable() {
459	>	public void realRun() throws InterruptedException {
460	>	threadStarted.countDown();
461	>	assertEquals(1 + TASKS, p.getTaskCount());
462	>	await(done);
463	>	}});
464	>	}
465	>	assertEquals(1 + TASKS, p.getTaskCount());
466	>	assertEquals(0, p.getCompletedTaskCount());
467	>	}
468	>	assertEquals(1 + TASKS, p.getTaskCount());
469	>	assertEquals(1 + TASKS, p.getCompletedTaskCount());
470		}
471
472		/**
473		* getThreadFactory returns factory in constructor if not set
474		*/
475		public void testGetThreadFactory() throws InterruptedException {
476	<	ThreadFactory tf = new SimpleThreadFactory();
477	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
478	<	assertSame(tf, p.getThreadFactory());
479	<	joinPool(p);
476	>	final ThreadFactory threadFactory = new SimpleThreadFactory();
477	>	final ScheduledThreadPoolExecutor p =
478	>	new ScheduledThreadPoolExecutor(1, threadFactory);
479	>	try (PoolCleaner cleaner = cleaner(p)) {
480	>	assertSame(threadFactory, p.getThreadFactory());
481	>	}
482		}
483
484		/**
485		* setThreadFactory sets the thread factory returned by getThreadFactory
486		*/
487		public void testSetThreadFactory() throws InterruptedException {
488	<	ThreadFactory tf = new SimpleThreadFactory();
489	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	<	p.setThreadFactory(tf);
491	<	assertSame(tf, p.getThreadFactory());
492	<	joinPool(p);
488	>	ThreadFactory threadFactory = new SimpleThreadFactory();
489	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
490	>	try (PoolCleaner cleaner = cleaner(p)) {
491	>	p.setThreadFactory(threadFactory);
492	>	assertSame(threadFactory, p.getThreadFactory());
493	>	}
494		}
495
496		/**
497		* setThreadFactory(null) throws NPE
498		*/
499		public void testSetThreadFactoryNull() throws InterruptedException {
500	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	<	try {
502	<	p.setThreadFactory(null);
503	<	shouldThrow();
504	<	} catch (NullPointerException success) {
505	<	} finally {
353	<	joinPool(p);
500	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501	>	try (PoolCleaner cleaner = cleaner(p)) {
502	>	try {
503	>	p.setThreadFactory(null);
504	>	shouldThrow();
505	>	} catch (NullPointerException success) {}
506		}
507		}
508
509		/**
510	<	*   is isShutDown is false before shutdown, true after
510	>	* The default rejected execution handler is AbortPolicy.
511		*/
512	<	public void testIsShutdown() {
513	<
514	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
515	<	try {
516	<	assertFalse(p1.isShutdown());
365	<	}
366	<	finally {
367	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
512	>	public void testDefaultRejectedExecutionHandler() {
513	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
514	>	try (PoolCleaner cleaner = cleaner(p)) {
515	>	assertTrue(p.getRejectedExecutionHandler()
516	>	instanceof ThreadPoolExecutor.AbortPolicy);
517		}
369	–	assertTrue(p1.isShutdown());
518		}
519
520	+	/**
521	+	* isShutdown is false before shutdown, true after
522	+	*/
523	+	public void testIsShutdown() {
524	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
525	+	assertFalse(p.isShutdown());
526	+	try (PoolCleaner cleaner = cleaner(p)) {
527	+	try {
528	+	p.shutdown();
529	+	assertTrue(p.isShutdown());
530	+	} catch (SecurityException ok) {}
531	+	}
532	+	}
533
534		/**
535	<	*   isTerminated is false before termination, true after
535	>	* isTerminated is false before termination, true after
536		*/
537		public void testIsTerminated() throws InterruptedException {
538	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
539	<	try {
540	<	p1.execute(new SmallRunnable());
541	<	} finally {
542	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
538	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
539	>	try (PoolCleaner cleaner = cleaner(p)) {
540	>	final CountDownLatch threadStarted = new CountDownLatch(1);
541	>	final CountDownLatch done = new CountDownLatch(1);
542	>	assertFalse(p.isTerminated());
543	>	p.execute(new CheckedRunnable() {
544	>	public void realRun() throws InterruptedException {
545	>	assertFalse(p.isTerminated());
546	>	threadStarted.countDown();
547	>	await(done);
548	>	}});
549	>	await(threadStarted);
550	>	assertFalse(p.isTerminating());
551	>	done.countDown();
552	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
553	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
554	>	assertTrue(p.isTerminated());
555		}
383	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
384	–	assertTrue(p1.isTerminated());
556		}
557
558		/**
559	<	*  isTerminating is not true when running or when terminated
559	>	* isTerminating is not true when running or when terminated
560		*/
561		public void testIsTerminating() throws InterruptedException {
562	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
563	<	assertFalse(p1.isTerminating());
564	<	try {
565	<	p1.execute(new SmallRunnable());
566	<	assertFalse(p1.isTerminating());
567	<	} finally {
568	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
562	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
563	>	final CountDownLatch threadStarted = new CountDownLatch(1);
564	>	final CountDownLatch done = new CountDownLatch(1);
565	>	try (PoolCleaner cleaner = cleaner(p)) {
566	>	assertFalse(p.isTerminating());
567	>	p.execute(new CheckedRunnable() {
568	>	public void realRun() throws InterruptedException {
569	>	assertFalse(p.isTerminating());
570	>	threadStarted.countDown();
571	>	await(done);
572	>	}});
573	>	await(threadStarted);
574	>	assertFalse(p.isTerminating());
575	>	done.countDown();
576	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
577	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
578	>	assertTrue(p.isTerminated());
579	>	assertFalse(p.isTerminating());
580		}
399	–
400	–	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
401	–	assertTrue(p1.isTerminated());
402	–	assertFalse(p1.isTerminating());
581		}
582
583		/**
584		* getQueue returns the work queue, which contains queued tasks
585		*/
586		public void testGetQueue() throws InterruptedException {
587	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
588	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
589	<	for (int i = 0; i < 5; i++) {
590	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
591	<	}
592	<	try {
593	<	Thread.sleep(SHORT_DELAY_MS);
594	<	BlockingQueue<Runnable> q = p1.getQueue();
595	<	assertTrue(q.contains(tasks[4]));
587	>	final CountDownLatch done = new CountDownLatch(1);
588	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
589	>	try (PoolCleaner cleaner = cleaner(p, done)) {
590	>	final CountDownLatch threadStarted = new CountDownLatch(1);
591	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
592	>	for (int i = 0; i < tasks.length; i++) {
593	>	Runnable r = new CheckedRunnable() {
594	>	public void realRun() throws InterruptedException {
595	>	threadStarted.countDown();
596	>	await(done);
597	>	}};
598	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
599	>	}
600	>	await(threadStarted);
601	>	BlockingQueue<Runnable> q = p.getQueue();
602	>	assertTrue(q.contains(tasks[tasks.length - 1]));
603		assertFalse(q.contains(tasks[0]));
419	–	} finally {
420	–	joinPool(p1);
604		}
605		}
606
#	Line 425 | Line 608 | public class ScheduledExecutorTest exten
608		* remove(task) removes queued task, and fails to remove active task
609		*/
610		public void testRemove() throws InterruptedException {
611	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
612	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
613	<	for (int i = 0; i < 5; i++) {
614	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
615	<	}
616	<	try {
617	<	Thread.sleep(SHORT_DELAY_MS);
618	<	BlockingQueue<Runnable> q = p1.getQueue();
619	<	assertFalse(p1.remove((Runnable)tasks[0]));
611	>	final CountDownLatch done = new CountDownLatch(1);
612	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
613	>	try (PoolCleaner cleaner = cleaner(p, done)) {
614	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
615	>	final CountDownLatch threadStarted = new CountDownLatch(1);
616	>	for (int i = 0; i < tasks.length; i++) {
617	>	Runnable r = new CheckedRunnable() {
618	>	public void realRun() throws InterruptedException {
619	>	threadStarted.countDown();
620	>	await(done);
621	>	}};
622	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
623	>	}
624	>	await(threadStarted);
625	>	BlockingQueue<Runnable> q = p.getQueue();
626	>	assertFalse(p.remove((Runnable)tasks[0]));
627		assertTrue(q.contains((Runnable)tasks[4]));
628		assertTrue(q.contains((Runnable)tasks[3]));
629	<	assertTrue(p1.remove((Runnable)tasks[4]));
630	<	assertFalse(p1.remove((Runnable)tasks[4]));
629	>	assertTrue(p.remove((Runnable)tasks[4]));
630	>	assertFalse(p.remove((Runnable)tasks[4]));
631		assertFalse(q.contains((Runnable)tasks[4]));
632		assertTrue(q.contains((Runnable)tasks[3]));
633	<	assertTrue(p1.remove((Runnable)tasks[3]));
633	>	assertTrue(p.remove((Runnable)tasks[3]));
634		assertFalse(q.contains((Runnable)tasks[3]));
445	–	} finally {
446	–	joinPool(p1);
635		}
636		}
637
638		/**
639	<	*  purge removes cancelled tasks from the queue
639	>	* purge eventually removes cancelled tasks from the queue
640		*/
641		public void testPurge() throws InterruptedException {
642	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
643	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
644	<	for (int i = 0; i < 5; i++) {
645	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
646	<	}
647	<	try {
648	<	int max = 5;
642	>	final ScheduledFuture[] tasks = new ScheduledFuture[5];
643	>	final Runnable releaser = new Runnable() { public void run() {
644	>	for (ScheduledFuture task : tasks)
645	>	if (task != null) task.cancel(true); }};
646	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
647	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
648	>	for (int i = 0; i < tasks.length; i++)
649	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
650	>	LONG_DELAY_MS, MILLISECONDS);
651	>	int max = tasks.length;
652		if (tasks[4].cancel(true)) --max;
653		if (tasks[3].cancel(true)) --max;
654		// There must eventually be an interference-free point at
655		// which purge will not fail. (At worst, when queue is empty.)
656	<	int k;
657	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
658	<	p1.purge();
659	<	long count = p1.getTaskCount();
660	<	if (count >= 0 && count <= max)
661	<	break;
662	<	Thread.sleep(1);
663	<	}
473	<	assertTrue(k < SMALL_DELAY_MS);
474	<	} finally {
475	<	joinPool(p1);
656	>	long startTime = System.nanoTime();
657	>	do {
658	>	p.purge();
659	>	long count = p.getTaskCount();
660	>	if (count == max)
661	>	return;
662	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
663	>	fail("Purge failed to remove cancelled tasks");
664		}
665		}
666
667		/**
668	<	*  shutDownNow returns a list containing tasks that were not run
669	<	*/
670	<	public void testShutDownNow() throws InterruptedException {
671	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
672	<	for (int i = 0; i < 5; i++)
673	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
674	<	List l;
668	>	* shutdownNow returns a list containing tasks that were not run,
669	>	* and those tasks are drained from the queue
670	>	*/
671	>	public void testShutdownNow() throws InterruptedException {
672	>	final int poolSize = 2;
673	>	final int count = 5;
674	>	final AtomicInteger ran = new AtomicInteger(0);
675	>	final ScheduledThreadPoolExecutor p =
676	>	new ScheduledThreadPoolExecutor(poolSize);
677	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
678	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
679	>	threadsStarted.countDown();
680	>	try {
681	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
682	>	} catch (InterruptedException success) {}
683	>	ran.getAndIncrement();
684	>	}};
685	>	for (int i = 0; i < count; i++)
686	>	p.execute(waiter);
687	>	await(threadsStarted);
688	>	assertEquals(poolSize, p.getActiveCount());
689	>	assertEquals(0, p.getCompletedTaskCount());
690	>	final List<Runnable> queuedTasks;
691		try {
692	<	l = p1.shutdownNow();
692	>	queuedTasks = p.shutdownNow();
693		} catch (SecurityException ok) {
694	<	return;
694	>	return; // Allowed in case test doesn't have privs
695		}
696	<	assertTrue(p1.isShutdown());
697	<	assertTrue(l.size() > 0 && l.size() <= 5);
698	<	joinPool(p1);
696	>	assertTrue(p.isShutdown());
697	>	assertTrue(p.getQueue().isEmpty());
698	>	assertEquals(count - poolSize, queuedTasks.size());
699	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
700	>	assertTrue(p.isTerminated());
701	>	assertEquals(poolSize, ran.get());
702	>	assertEquals(poolSize, p.getCompletedTaskCount());
703		}
704
705		/**
706	<	* In default setting, shutdown cancels periodic but not delayed
707	<	* tasks at shutdown
708	<	*/
709	<	public void testShutDown1() throws InterruptedException {
710	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
711	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
712	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
713	<
714	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
715	<	for (int i = 0; i < 5; i++)
716	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
717	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
718	<	BlockingQueue q = p1.getQueue();
719	<	for (Iterator it = q.iterator(); it.hasNext();) {
720	<	ScheduledFuture t = (ScheduledFuture)it.next();
721	<	assertFalse(t.isCancelled());
706	>	* shutdownNow returns a list containing tasks that were not run,
707	>	* and those tasks are drained from the queue
708	>	*/
709	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
710	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
711	>	List<ScheduledFuture> tasks = new ArrayList<>();
712	>	for (int i = 0; i < 3; i++) {
713	>	Runnable r = new NoOpRunnable();
714	>	tasks.add(p.schedule(r, 9, SECONDS));
715	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
716	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
717	>	}
718	>	if (testImplementationDetails)
719	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
720	>	final List<Runnable> queuedTasks;
721	>	try {
722	>	queuedTasks = p.shutdownNow();
723	>	} catch (SecurityException ok) {
724	>	return; // Allowed in case test doesn't have privs
725		}
726	<	assertTrue(p1.isShutdown());
727	<	Thread.sleep(SMALL_DELAY_MS);
728	<	for (int i = 0; i < 5; ++i) {
729	<	assertTrue(tasks[i].isDone());
730	<	assertFalse(tasks[i].isCancelled());
726	>	assertTrue(p.isShutdown());
727	>	assertTrue(p.getQueue().isEmpty());
728	>	if (testImplementationDetails)
729	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
730	>	assertEquals(tasks.size(), queuedTasks.size());
731	>	for (ScheduledFuture task : tasks) {
732	>	assertFalse(task.isDone());
733	>	assertFalse(task.isCancelled());
734		}
735	<	}
736	<
523	<
524	<	/**
525	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
526	<	* delayed tasks are cancelled at shutdown
527	<	*/
528	<	public void testShutDown2() throws InterruptedException {
529	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
530	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
531	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
532	<	for (int i = 0; i < 5; i++)
533	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
534	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
535	<	assertTrue(p1.isShutdown());
536	<	BlockingQueue q = p1.getQueue();
537	<	assertTrue(q.isEmpty());
538	<	Thread.sleep(SMALL_DELAY_MS);
539	<	assertTrue(p1.isTerminated());
540	<	}
541	<
542	<
543	<	/**
544	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
545	<	* periodic tasks are not cancelled at shutdown
546	<	*/
547	<	public void testShutDown3() throws InterruptedException {
548	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
549	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
550	<	ScheduledFuture task =
551	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
552	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
553	<	assertTrue(p1.isShutdown());
554	<	BlockingQueue q = p1.getQueue();
555	<	assertTrue(q.isEmpty());
556	<	Thread.sleep(SHORT_DELAY_MS);
557	<	assertTrue(p1.isTerminated());
735	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
736	>	assertTrue(p.isTerminated());
737		}
738
739		/**
740	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
741	<	* periodic tasks are cancelled at shutdown
742	<	*/
743	<	public void testShutDown4() throws InterruptedException {
744	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
745	<	try {
746	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
747	<	ScheduledFuture task =
748	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
749	<	assertFalse(task.isCancelled());
750	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
751	<	assertFalse(task.isCancelled());
752	<	assertFalse(p1.isTerminated());
753	<	assertTrue(p1.isShutdown());
754	<	Thread.sleep(SHORT_DELAY_MS);
755	<	assertFalse(task.isCancelled());
756	<	assertTrue(task.cancel(true));
757	<	assertTrue(task.isDone());
758	<	Thread.sleep(SHORT_DELAY_MS);
759	<	assertTrue(p1.isTerminated());
740	>	* By default, periodic tasks are cancelled at shutdown.
741	>	* By default, delayed tasks keep running after shutdown.
742	>	* Check that changing the default values work:
743	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
744	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
745	>	*/
746	>	public void testShutdown_cancellation() throws Exception {
747	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
748	>	for (Boolean policy : allBooleans)
749	>	{
750	>	final int poolSize = 2;
751	>	final ScheduledThreadPoolExecutor p
752	>	= new ScheduledThreadPoolExecutor(poolSize);
753	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
754	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
755	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
756	>	if (policy != null) {
757	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
758	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
759	>	p.setRemoveOnCancelPolicy(policy);
760	>	}
761	>	assertEquals(effectiveDelayedPolicy,
762	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
763	>	assertEquals(effectivePeriodicPolicy,
764	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
765	>	assertEquals(effectiveRemovePolicy,
766	>	p.getRemoveOnCancelPolicy());
767	>	// Strategy: Wedge the pool with poolSize "blocker" threads
768	>	final AtomicInteger ran = new AtomicInteger(0);
769	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
770	>	final CountDownLatch unblock = new CountDownLatch(1);
771	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
772	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
773	>	Runnable task = new CheckedRunnable() { public void realRun()
774	>	throws InterruptedException {
775	>	poolBlocked.countDown();
776	>	await(unblock);
777	>	ran.getAndIncrement();
778	>	}};
779	>	List<Future<?>> blockers = new ArrayList<>();
780	>	List<Future<?>> periodics = new ArrayList<>();
781	>	List<Future<?>> delayeds = new ArrayList<>();
782	>	for (int i = 0; i < poolSize; i++)
783	>	blockers.add(p.submit(task));
784	>	await(poolBlocked);
785	>
786	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
787	>	1, 1, MILLISECONDS));
788	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
789	>	1, 1, MILLISECONDS));
790	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
791	>
792	>	assertTrue(p.getQueue().containsAll(periodics));
793	>	assertTrue(p.getQueue().containsAll(delayeds));
794	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
795	>	assertTrue(p.isShutdown());
796	>	assertFalse(p.isTerminated());
797	>	for (Future<?> periodic : periodics) {
798	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
799	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
800	>	}
801	>	for (Future<?> delayed : delayeds) {
802	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
803	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
804	>	}
805	>	if (testImplementationDetails) {
806	>	assertEquals(effectivePeriodicPolicy,
807	>	p.getQueue().containsAll(periodics));
808	>	assertEquals(effectiveDelayedPolicy,
809	>	p.getQueue().containsAll(delayeds));
810	>	}
811	>	// Release all pool threads
812	>	unblock.countDown();
813	>
814	>	for (Future<?> delayed : delayeds) {
815	>	if (effectiveDelayedPolicy) {
816	>	assertNull(delayed.get());
817	>	}
818		}
819	<	finally {
820	<	joinPool(p1);
819	>	if (effectivePeriodicPolicy) {
820	>	await(periodicLatch1);
821	>	await(periodicLatch2);
822	>	for (Future<?> periodic : periodics) {
823	>	assertTrue(periodic.cancel(false));
824	>	assertTrue(periodic.isCancelled());
825	>	assertTrue(periodic.isDone());
826	>	}
827		}
828	<	}
828	>	for (Future<?> blocker : blockers) assertNull(blocker.get());
829	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
830	>	assertTrue(p.isTerminated());
831	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
832	>	}}
833
834		/**
835		* completed submit of callable returns result
836		*/
837		public void testSubmitCallable() throws Exception {
838	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	<	try {
838	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
839	>	try (PoolCleaner cleaner = cleaner(e)) {
840		Future<String> future = e.submit(new StringTask());
841		String result = future.get();
842		assertSame(TEST_STRING, result);
596	–	} finally {
597	–	joinPool(e);
843		}
844		}
845
#	Line 602 | Line 847 | public class ScheduledExecutorTest exten
847		* completed submit of runnable returns successfully
848		*/
849		public void testSubmitRunnable() throws Exception {
850	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	<	try {
850	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	>	try (PoolCleaner cleaner = cleaner(e)) {
852		Future<?> future = e.submit(new NoOpRunnable());
853		future.get();
854		assertTrue(future.isDone());
610	–	} finally {
611	–	joinPool(e);
855		}
856		}
857
#	Line 616 | Line 859 | public class ScheduledExecutorTest exten
859		* completed submit of (runnable, result) returns result
860		*/
861		public void testSubmitRunnable2() throws Exception {
862	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	<	try {
862	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
863	>	try (PoolCleaner cleaner = cleaner(e)) {
864		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
865		String result = future.get();
866		assertSame(TEST_STRING, result);
624	–	} finally {
625	–	joinPool(e);
867		}
868		}
869
#	Line 630 | Line 871 | public class ScheduledExecutorTest exten
871		* invokeAny(null) throws NPE
872		*/
873		public void testInvokeAny1() throws Exception {
874	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
875	<	try {
876	<	e.invokeAny(null);
877	<	shouldThrow();
878	<	} catch (NullPointerException success) {
879	<	} finally {
639	<	joinPool(e);
874	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
875	>	try (PoolCleaner cleaner = cleaner(e)) {
876	>	try {
877	>	e.invokeAny(null);
878	>	shouldThrow();
879	>	} catch (NullPointerException success) {}
880		}
881		}
882
#	Line 644 | Line 884 | public class ScheduledExecutorTest exten
884		* invokeAny(empty collection) throws IAE
885		*/
886		public void testInvokeAny2() throws Exception {
887	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
888	<	try {
889	<	e.invokeAny(new ArrayList<Callable<String>>());
890	<	shouldThrow();
891	<	} catch (IllegalArgumentException success) {
892	<	} finally {
653	<	joinPool(e);
887	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
888	>	try (PoolCleaner cleaner = cleaner(e)) {
889	>	try {
890	>	e.invokeAny(new ArrayList<Callable<String>>());
891	>	shouldThrow();
892	>	} catch (IllegalArgumentException success) {}
893		}
894		}
895
#	Line 659 | Line 898 | public class ScheduledExecutorTest exten
898		*/
899		public void testInvokeAny3() throws Exception {
900		CountDownLatch latch = new CountDownLatch(1);
901	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
902	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
903	<	l.add(latchAwaitingStringTask(latch));
904	<	l.add(null);
905	<	try {
906	<	e.invokeAny(l);
907	<	shouldThrow();
908	<	} catch (NullPointerException success) {
909	<	} finally {
901	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
902	>	try (PoolCleaner cleaner = cleaner(e)) {
903	>	List<Callable<String>> l = new ArrayList<>();
904	>	l.add(latchAwaitingStringTask(latch));
905	>	l.add(null);
906	>	try {
907	>	e.invokeAny(l);
908	>	shouldThrow();
909	>	} catch (NullPointerException success) {}
910		latch.countDown();
672	–	joinPool(e);
911		}
912		}
913
#	Line 677 | Line 915 | public class ScheduledExecutorTest exten
915		* invokeAny(c) throws ExecutionException if no task completes
916		*/
917		public void testInvokeAny4() throws Exception {
918	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
920	<	l.add(new NPETask());
921	<	try {
922	<	e.invokeAny(l);
923	<	shouldThrow();
924	<	} catch (ExecutionException success) {
925	<	assertTrue(success.getCause() instanceof NullPointerException);
926	<	} finally {
927	<	joinPool(e);
918	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	>	try (PoolCleaner cleaner = cleaner(e)) {
920	>	List<Callable<String>> l = new ArrayList<>();
921	>	l.add(new NPETask());
922	>	try {
923	>	e.invokeAny(l);
924	>	shouldThrow();
925	>	} catch (ExecutionException success) {
926	>	assertTrue(success.getCause() instanceof NullPointerException);
927	>	}
928		}
929		}
930
#	Line 694 | Line 932 | public class ScheduledExecutorTest exten
932		* invokeAny(c) returns result of some task
933		*/
934		public void testInvokeAny5() throws Exception {
935	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
936	<	try {
937	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
935	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
936	>	try (PoolCleaner cleaner = cleaner(e)) {
937	>	List<Callable<String>> l = new ArrayList<>();
938		l.add(new StringTask());
939		l.add(new StringTask());
940		String result = e.invokeAny(l);
941		assertSame(TEST_STRING, result);
704	–	} finally {
705	–	joinPool(e);
942		}
943		}
944
#	Line 710 | Line 946 | public class ScheduledExecutorTest exten
946		* invokeAll(null) throws NPE
947		*/
948		public void testInvokeAll1() throws Exception {
949	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
950	<	try {
951	<	e.invokeAll(null);
952	<	shouldThrow();
953	<	} catch (NullPointerException success) {
954	<	} finally {
719	<	joinPool(e);
949	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
950	>	try (PoolCleaner cleaner = cleaner(e)) {
951	>	try {
952	>	e.invokeAll(null);
953	>	shouldThrow();
954	>	} catch (NullPointerException success) {}
955		}
956		}
957
#	Line 724 | Line 959 | public class ScheduledExecutorTest exten
959		* invokeAll(empty collection) returns empty collection
960		*/
961		public void testInvokeAll2() throws Exception {
962	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	<	try {
962	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
963	>	try (PoolCleaner cleaner = cleaner(e)) {
964		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
965		assertTrue(r.isEmpty());
731	–	} finally {
732	–	joinPool(e);
966		}
967		}
968
#	Line 737 | Line 970 | public class ScheduledExecutorTest exten
970		* invokeAll(c) throws NPE if c has null elements
971		*/
972		public void testInvokeAll3() throws Exception {
973	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
974	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
975	<	l.add(new StringTask());
976	<	l.add(null);
977	<	try {
978	<	e.invokeAll(l);
979	<	shouldThrow();
980	<	} catch (NullPointerException success) {
981	<	} finally {
749	<	joinPool(e);
973	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
974	>	try (PoolCleaner cleaner = cleaner(e)) {
975	>	List<Callable<String>> l = new ArrayList<>();
976	>	l.add(new StringTask());
977	>	l.add(null);
978	>	try {
979	>	e.invokeAll(l);
980	>	shouldThrow();
981	>	} catch (NullPointerException success) {}
982		}
983		}
984
#	Line 754 | Line 986 | public class ScheduledExecutorTest exten
986		* get of invokeAll(c) throws exception on failed task
987		*/
988		public void testInvokeAll4() throws Exception {
989	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
990	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
991	<	l.add(new NPETask());
992	<	List<Future<String>> futures = e.invokeAll(l);
993	<	assertEquals(1, futures.size());
994	<	try {
995	<	futures.get(0).get();
996	<	shouldThrow();
997	<	} catch (ExecutionException success) {
998	<	assertTrue(success.getCause() instanceof NullPointerException);
999	<	} finally {
1000	<	joinPool(e);
989	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
990	>	try (PoolCleaner cleaner = cleaner(e)) {
991	>	List<Callable<String>> l = new ArrayList<>();
992	>	l.add(new NPETask());
993	>	List<Future<String>> futures = e.invokeAll(l);
994	>	assertEquals(1, futures.size());
995	>	try {
996	>	futures.get(0).get();
997	>	shouldThrow();
998	>	} catch (ExecutionException success) {
999	>	assertTrue(success.getCause() instanceof NullPointerException);
1000	>	}
1001		}
1002		}
1003
#	Line 773 | Line 1005 | public class ScheduledExecutorTest exten
1005		* invokeAll(c) returns results of all completed tasks
1006		*/
1007		public void testInvokeAll5() throws Exception {
1008	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1009	<	try {
1010	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1008	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1009	>	try (PoolCleaner cleaner = cleaner(e)) {
1010	>	List<Callable<String>> l = new ArrayList<>();
1011		l.add(new StringTask());
1012		l.add(new StringTask());
1013		List<Future<String>> futures = e.invokeAll(l);
1014		assertEquals(2, futures.size());
1015		for (Future<String> future : futures)
1016		assertSame(TEST_STRING, future.get());
785	–	} finally {
786	–	joinPool(e);
1017		}
1018		}
1019
#	Line 791 | Line 1021 | public class ScheduledExecutorTest exten
1021		* timed invokeAny(null) throws NPE
1022		*/
1023		public void testTimedInvokeAny1() throws Exception {
1024	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1025	<	try {
1026	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1027	<	shouldThrow();
1028	<	} catch (NullPointerException success) {
1029	<	} finally {
800	<	joinPool(e);
1024	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1025	>	try (PoolCleaner cleaner = cleaner(e)) {
1026	>	try {
1027	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (NullPointerException success) {}
1030		}
1031		}
1032
#	Line 805 | Line 1034 | public class ScheduledExecutorTest exten
1034		* timed invokeAny(,,null) throws NPE
1035		*/
1036		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1037	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1038	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1039	<	l.add(new StringTask());
1040	<	try {
1041	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1042	<	shouldThrow();
1043	<	} catch (NullPointerException success) {
1044	<	} finally {
816	<	joinPool(e);
1037	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1038	>	try (PoolCleaner cleaner = cleaner(e)) {
1039	>	List<Callable<String>> l = new ArrayList<>();
1040	>	l.add(new StringTask());
1041	>	try {
1042	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1043	>	shouldThrow();
1044	>	} catch (NullPointerException success) {}
1045		}
1046		}
1047
#	Line 821 | Line 1049 | public class ScheduledExecutorTest exten
1049		* timed invokeAny(empty collection) throws IAE
1050		*/
1051		public void testTimedInvokeAny2() throws Exception {
1052	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1053	<	try {
1054	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1055	<	shouldThrow();
1056	<	} catch (IllegalArgumentException success) {
1057	<	} finally {
830	<	joinPool(e);
1052	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1053	>	try (PoolCleaner cleaner = cleaner(e)) {
1054	>	try {
1055	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1056	>	shouldThrow();
1057	>	} catch (IllegalArgumentException success) {}
1058		}
1059		}
1060
#	Line 836 | Line 1063 | public class ScheduledExecutorTest exten
1063		*/
1064		public void testTimedInvokeAny3() throws Exception {
1065		CountDownLatch latch = new CountDownLatch(1);
1066	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1068	<	l.add(latchAwaitingStringTask(latch));
1069	<	l.add(null);
1070	<	try {
1071	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1072	<	shouldThrow();
1073	<	} catch (NullPointerException success) {
1074	<	} finally {
1066	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1067	>	try (PoolCleaner cleaner = cleaner(e)) {
1068	>	List<Callable<String>> l = new ArrayList<>();
1069	>	l.add(latchAwaitingStringTask(latch));
1070	>	l.add(null);
1071	>	try {
1072	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1073	>	shouldThrow();
1074	>	} catch (NullPointerException success) {}
1075		latch.countDown();
849	–	joinPool(e);
1076		}
1077		}
1078
#	Line 854 | Line 1080 | public class ScheduledExecutorTest exten
1080		* timed invokeAny(c) throws ExecutionException if no task completes
1081		*/
1082		public void testTimedInvokeAny4() throws Exception {
1083	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1084	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1085	<	l.add(new NPETask());
1086	<	try {
1087	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1088	<	shouldThrow();
1089	<	} catch (ExecutionException success) {
1090	<	assertTrue(success.getCause() instanceof NullPointerException);
1091	<	} finally {
1092	<	joinPool(e);
1083	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1084	>	try (PoolCleaner cleaner = cleaner(e)) {
1085	>	long startTime = System.nanoTime();
1086	>	List<Callable<String>> l = new ArrayList<>();
1087	>	l.add(new NPETask());
1088	>	try {
1089	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1090	>	shouldThrow();
1091	>	} catch (ExecutionException success) {
1092	>	assertTrue(success.getCause() instanceof NullPointerException);
1093	>	}
1094	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1095		}
1096		}
1097
#	Line 871 | Line 1099 | public class ScheduledExecutorTest exten
1099		* timed invokeAny(c) returns result of some task
1100		*/
1101		public void testTimedInvokeAny5() throws Exception {
1102	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1103	<	try {
1104	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1102	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1103	>	try (PoolCleaner cleaner = cleaner(e)) {
1104	>	long startTime = System.nanoTime();
1105	>	List<Callable<String>> l = new ArrayList<>();
1106		l.add(new StringTask());
1107		l.add(new StringTask());
1108	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1108	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1109		assertSame(TEST_STRING, result);
1110	<	} finally {
882	<	joinPool(e);
1110	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1111		}
1112		}
1113
#	Line 887 | Line 1115 | public class ScheduledExecutorTest exten
1115		* timed invokeAll(null) throws NPE
1116		*/
1117		public void testTimedInvokeAll1() throws Exception {
1118	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1119	<	try {
1120	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1121	<	shouldThrow();
1122	<	} catch (NullPointerException success) {
1123	<	} finally {
896	<	joinPool(e);
1118	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1119	>	try (PoolCleaner cleaner = cleaner(e)) {
1120	>	try {
1121	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1122	>	shouldThrow();
1123	>	} catch (NullPointerException success) {}
1124		}
1125		}
1126
#	Line 901 | Line 1128 | public class ScheduledExecutorTest exten
1128		* timed invokeAll(,,null) throws NPE
1129		*/
1130		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1131	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1132	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1133	<	l.add(new StringTask());
1134	<	try {
1135	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1136	<	shouldThrow();
1137	<	} catch (NullPointerException success) {
1138	<	} finally {
912	<	joinPool(e);
1131	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1132	>	try (PoolCleaner cleaner = cleaner(e)) {
1133	>	List<Callable<String>> l = new ArrayList<>();
1134	>	l.add(new StringTask());
1135	>	try {
1136	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1137	>	shouldThrow();
1138	>	} catch (NullPointerException success) {}
1139		}
1140		}
1141
#	Line 917 | Line 1143 | public class ScheduledExecutorTest exten
1143		* timed invokeAll(empty collection) returns empty collection
1144		*/
1145		public void testTimedInvokeAll2() throws Exception {
1146	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	<	try {
1148	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1146	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1147	>	try (PoolCleaner cleaner = cleaner(e)) {
1148	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1149	>	MEDIUM_DELAY_MS, MILLISECONDS);
1150		assertTrue(r.isEmpty());
924	–	} finally {
925	–	joinPool(e);
1151		}
1152		}
1153
#	Line 930 | Line 1155 | public class ScheduledExecutorTest exten
1155		* timed invokeAll(c) throws NPE if c has null elements
1156		*/
1157		public void testTimedInvokeAll3() throws Exception {
1158	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1159	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1160	<	l.add(new StringTask());
1161	<	l.add(null);
1162	<	try {
1163	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1164	<	shouldThrow();
1165	<	} catch (NullPointerException success) {
1166	<	} finally {
942	<	joinPool(e);
1158	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1159	>	try (PoolCleaner cleaner = cleaner(e)) {
1160	>	List<Callable<String>> l = new ArrayList<>();
1161	>	l.add(new StringTask());
1162	>	l.add(null);
1163	>	try {
1164	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1165	>	shouldThrow();
1166	>	} catch (NullPointerException success) {}
1167		}
1168		}
1169
#	Line 947 | Line 1171 | public class ScheduledExecutorTest exten
1171		* get of element of invokeAll(c) throws exception on failed task
1172		*/
1173		public void testTimedInvokeAll4() throws Exception {
1174	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1175	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1176	<	l.add(new NPETask());
1177	<	List<Future<String>> futures =
1178	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1179	<	assertEquals(1, futures.size());
1180	<	try {
1181	<	futures.get(0).get();
1182	<	shouldThrow();
1183	<	} catch (ExecutionException success) {
1184	<	assertTrue(success.getCause() instanceof NullPointerException);
1185	<	} finally {
1186	<	joinPool(e);
1174	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1175	>	try (PoolCleaner cleaner = cleaner(e)) {
1176	>	List<Callable<String>> l = new ArrayList<>();
1177	>	l.add(new NPETask());
1178	>	List<Future<String>> futures =
1179	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1180	>	assertEquals(1, futures.size());
1181	>	try {
1182	>	futures.get(0).get();
1183	>	shouldThrow();
1184	>	} catch (ExecutionException success) {
1185	>	assertTrue(success.getCause() instanceof NullPointerException);
1186	>	}
1187		}
1188		}
1189
#	Line 967 | Line 1191 | public class ScheduledExecutorTest exten
1191		* timed invokeAll(c) returns results of all completed tasks
1192		*/
1193		public void testTimedInvokeAll5() throws Exception {
1194	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1195	<	try {
1196	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1194	>	final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1195	>	try (PoolCleaner cleaner = cleaner(e)) {
1196	>	List<Callable<String>> l = new ArrayList<>();
1197		l.add(new StringTask());
1198		l.add(new StringTask());
1199		List<Future<String>> futures =
1200	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1200	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1201		assertEquals(2, futures.size());
1202		for (Future<String> future : futures)
1203		assertSame(TEST_STRING, future.get());
980	–	} finally {
981	–	joinPool(e);
1204		}
1205		}
1206
#	Line 986 | Line 1208 | public class ScheduledExecutorTest exten
1208		* timed invokeAll(c) cancels tasks not completed by timeout
1209		*/
1210		public void testTimedInvokeAll6() throws Exception {
1211	<	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1212	<	try {
1213	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1214	<	l.add(new StringTask());
1215	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1216	<	l.add(new StringTask());
1217	<	List<Future<String>> futures =
1218	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1219	<	assertEquals(3, futures.size());
1220	<	Iterator<Future<String>> it = futures.iterator();
1221	<	Future<String> f1 = it.next();
1222	<	Future<String> f2 = it.next();
1223	<	Future<String> f3 = it.next();
1224	<	assertTrue(f1.isDone());
1225	<	assertTrue(f2.isDone());
1226	<	assertTrue(f3.isDone());
1227	<	assertFalse(f1.isCancelled());
1228	<	assertTrue(f2.isCancelled());
1229	<	} finally {
1230	<	joinPool(e);
1211	>	for (long timeout = timeoutMillis();;) {
1212	>	final CountDownLatch done = new CountDownLatch(1);
1213	>	final Callable<String> waiter = new CheckedCallable<String>() {
1214	>	public String realCall() {
1215	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1216	>	catch (InterruptedException ok) {}
1217	>	return "1"; }};
1218	>	final ExecutorService p = new ScheduledThreadPoolExecutor(2);
1219	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1220	>	List<Callable<String>> tasks = new ArrayList<>();
1221	>	tasks.add(new StringTask("0"));
1222	>	tasks.add(waiter);
1223	>	tasks.add(new StringTask("2"));
1224	>	long startTime = System.nanoTime();
1225	>	List<Future<String>> futures =
1226	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1227	>	assertEquals(tasks.size(), futures.size());
1228	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1229	>	for (Future future : futures)
1230	>	assertTrue(future.isDone());
1231	>	assertTrue(futures.get(1).isCancelled());
1232	>	try {
1233	>	assertEquals("0", futures.get(0).get());
1234	>	assertEquals("2", futures.get(2).get());
1235	>	break;
1236	>	} catch (CancellationException retryWithLongerTimeout) {
1237	>	timeout *= 2;
1238	>	if (timeout >= LONG_DELAY_MS / 2)
1239	>	fail("expected exactly one task to be cancelled");
1240	>	}
1241	>	}
1242		}
1243		}
1244
1245	+	/**
1246	+	* A fixed delay task with overflowing period should not prevent a
1247	+	* one-shot task from executing.
1248	+	* https://bugs.openjdk.java.net/browse/JDK-8051859
1249	+	*/
1250	+	public void testScheduleWithFixedDelay_overflow() throws Exception {
1251	+	final CountDownLatch delayedDone = new CountDownLatch(1);
1252	+	final CountDownLatch immediateDone = new CountDownLatch(1);
1253	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1254	+	try (PoolCleaner cleaner = cleaner(p)) {
1255	+	final Runnable immediate = new Runnable() { public void run() {
1256	+	immediateDone.countDown();
1257	+	}};
1258	+	final Runnable delayed = new Runnable() { public void run() {
1259	+	delayedDone.countDown();
1260	+	p.submit(immediate);
1261	+	}};
1262	+	p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1263	+	await(delayedDone);
1264	+	await(immediateDone);
1265	+	}
1266	+	}
1267
1268		}

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