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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.28 by jsr166, Tue Dec 1 09:48:12 2009 UTC vs.
Revision 1.58 by jsr166, Mon Sep 28 08:23:49 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		* 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.SECONDS;
11	>
12	>	import java.util.ArrayList;
13	>	import java.util.HashSet;
14	>	import java.util.List;
15	>	import java.util.concurrent.BlockingQueue;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CancellationException;
18	>	import java.util.concurrent.CountDownLatch;
19	>	import java.util.concurrent.ExecutionException;
20	>	import java.util.concurrent.Executors;
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.AtomicInteger;
29	>
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ScheduledExecutorTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	main(suite(), args);
36		}
37		public static Test suite() {
38		return new TestSuite(ScheduledExecutorTest.class);
39		}
40
23	–
41		/**
42		* execute successfully executes a runnable
43		*/
44		public void testExecute() throws InterruptedException {
45	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
46	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
47	<	p1.execute(runnable);
48	<	assertFalse(runnable.done);
49	<	Thread.sleep(SHORT_DELAY_MS);
50	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
51	<	Thread.sleep(MEDIUM_DELAY_MS);
52	<	assertTrue(runnable.done);
53	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
54	<	joinPool(p1);
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final CountDownLatch done = new CountDownLatch(1);
47	>	final Runnable task = new CheckedRunnable() {
48	>	public void realRun() {
49	>	done.countDown();
50	>	}};
51	>	try {
52	>	p.execute(task);
53	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
54	>	} finally {
55	>	joinPool(p);
56	>	}
57		}
58
40	–
59		/**
60		* delayed schedule of callable successfully executes after delay
61		*/
62		public void testSchedule1() throws Exception {
63	<	TrackedCallable callable = new TrackedCallable();
64	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
65	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
66	<	assertFalse(callable.done);
67	<	Thread.sleep(MEDIUM_DELAY_MS);
68	<	assertTrue(callable.done);
69	<	assertEquals(Boolean.TRUE, f.get());
70	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
71	<	joinPool(p1);
63	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
64	>	final long startTime = System.nanoTime();
65	>	final CountDownLatch done = new CountDownLatch(1);
66	>	try {
67	>	Callable task = new CheckedCallable<Boolean>() {
68	>	public Boolean realCall() {
69	>	done.countDown();
70	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
71	>	return Boolean.TRUE;
72	>	}};
73	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
74	>	assertSame(Boolean.TRUE, f.get());
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	assertTrue(done.await(0L, MILLISECONDS));
77	>	} finally {
78	>	joinPool(p);
79	>	}
80		}
81
82		/**
83	<	*  delayed schedule of runnable successfully executes after delay
84	<	*/
85	<	public void testSchedule3() throws InterruptedException {
86	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
87	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
88	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
89	<	Thread.sleep(SHORT_DELAY_MS);
90	<	assertFalse(runnable.done);
91	<	Thread.sleep(MEDIUM_DELAY_MS);
92	<	assertTrue(runnable.done);
93	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
94	<	joinPool(p1);
83	>	* delayed schedule of runnable successfully executes after delay
84	>	*/
85	>	public void testSchedule3() throws Exception {
86	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
87	>	final long startTime = System.nanoTime();
88	>	final CountDownLatch done = new CountDownLatch(1);
89	>	try {
90	>	Runnable task = new CheckedRunnable() {
91	>	public void realRun() {
92	>	done.countDown();
93	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
94	>	}};
95	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
96	>	await(done);
97	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
98	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
99	>	} finally {
100	>	joinPool(p);
101	>	}
102		}
103
104		/**
105		* scheduleAtFixedRate executes runnable after given initial delay
106		*/
107	<	public void testSchedule4() throws InterruptedException {
108	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
109	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
110	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
111	<	assertFalse(runnable.done);
112	<	Thread.sleep(MEDIUM_DELAY_MS);
113	<	assertTrue(runnable.done);
114	<	h.cancel(true);
115	<	joinPool(p1);
116	<	}
117	<
118	<	static class RunnableCounter implements Runnable {
119	<	AtomicInteger count = new AtomicInteger(0);
120	<	public void run() { count.getAndIncrement(); }
107	>	public void testSchedule4() throws Exception {
108	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
109	>	final long startTime = System.nanoTime();
110	>	final CountDownLatch done = new CountDownLatch(1);
111	>	try {
112	>	Runnable task = new CheckedRunnable() {
113	>	public void realRun() {
114	>	done.countDown();
115	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
116	>	}};
117	>	ScheduledFuture f =
118	>	p.scheduleAtFixedRate(task, timeoutMillis(),
119	>	LONG_DELAY_MS, MILLISECONDS);
120	>	await(done);
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	f.cancel(true);
123	>	} finally {
124	>	joinPool(p);
125	>	}
126		}
127
128		/**
129		* scheduleWithFixedDelay executes runnable after given initial delay
130		*/
131	<	public void testSchedule5() throws InterruptedException {
132	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
133	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
134	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
135	<	assertFalse(runnable.done);
136	<	Thread.sleep(MEDIUM_DELAY_MS);
137	<	assertTrue(runnable.done);
138	<	h.cancel(true);
139	<	joinPool(p1);
131	>	public void testSchedule5() throws Exception {
132	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
133	>	final long startTime = System.nanoTime();
134	>	final CountDownLatch done = new CountDownLatch(1);
135	>	try {
136	>	Runnable task = new CheckedRunnable() {
137	>	public void realRun() {
138	>	done.countDown();
139	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
140	>	}};
141	>	ScheduledFuture f =
142	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
143	>	LONG_DELAY_MS, MILLISECONDS);
144	>	await(done);
145	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
146	>	f.cancel(true);
147	>	} finally {
148	>	joinPool(p);
149	>	}
150	>	}
151	>
152	>	static class RunnableCounter implements Runnable {
153	>	AtomicInteger count = new AtomicInteger(0);
154	>	public void run() { count.getAndIncrement(); }
155		}
156
157		/**
158		* scheduleAtFixedRate executes series of tasks at given rate
159		*/
160		public void testFixedRateSequence() throws InterruptedException {
161	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
162	<	RunnableCounter counter = new RunnableCounter();
163	<	ScheduledFuture h =
164	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
165	<	Thread.sleep(SMALL_DELAY_MS);
166	<	h.cancel(true);
167	<	int c = counter.count.get();
168	<	// By time scaling conventions, we must have at least
169	<	// an execution per SHORT delay, but no more than one SHORT more
170	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
171	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
172	<	joinPool(p1);
161	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
162	>	try {
163	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
164	>	long startTime = System.nanoTime();
165	>	int cycles = 10;
166	>	final CountDownLatch done = new CountDownLatch(cycles);
167	>	Runnable task = new CheckedRunnable() {
168	>	public void realRun() { done.countDown(); }};
169	>	ScheduledFuture h =
170	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
171	>	done.await();
172	>	h.cancel(true);
173	>	double normalizedTime =
174	>	(double) millisElapsedSince(startTime) / delay;
175	>	if (normalizedTime >= cycles - 1 &&
176	>	normalizedTime <= cycles)
177	>	return;
178	>	}
179	>	throw new AssertionError("unexpected execution rate");
180	>	} finally {
181	>	joinPool(p);
182	>	}
183		}
184
185		/**
186		* scheduleWithFixedDelay executes series of tasks with given period
187		*/
188		public void testFixedDelaySequence() throws InterruptedException {
189	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
190	<	RunnableCounter counter = new RunnableCounter();
191	<	ScheduledFuture h =
192	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
193	<	Thread.sleep(SMALL_DELAY_MS);
194	<	h.cancel(true);
195	<	int c = counter.count.get();
196	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
197	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
198	<	joinPool(p1);
189	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
190	>	try {
191	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
192	>	long startTime = System.nanoTime();
193	>	int cycles = 10;
194	>	final CountDownLatch done = new CountDownLatch(cycles);
195	>	Runnable task = new CheckedRunnable() {
196	>	public void realRun() { done.countDown(); }};
197	>	ScheduledFuture h =
198	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
199	>	done.await();
200	>	h.cancel(true);
201	>	double normalizedTime =
202	>	(double) millisElapsedSince(startTime) / delay;
203	>	if (normalizedTime >= cycles - 1 &&
204	>	normalizedTime <= cycles)
205	>	return;
206	>	}
207	>	throw new AssertionError("unexpected execution rate");
208	>	} finally {
209	>	joinPool(p);
210	>	}
211		}
212
138	–
213		/**
214	<	*  execute (null) throws NPE
214	>	* execute(null) throws NPE
215		*/
216		public void testExecuteNull() throws InterruptedException {
217		ScheduledThreadPoolExecutor se = null;
#	Line 151 | Line 225 | public class ScheduledExecutorTest exten
225		}
226
227		/**
228	<	* schedule (null) throws NPE
228	>	* schedule(null) throws NPE
229		*/
230		public void testScheduleNull() throws InterruptedException {
231		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
#	Line 199 | Line 273 | public class ScheduledExecutorTest exten
273		/**
274		* schedule callable throws RejectedExecutionException if shutdown
275		*/
276	<	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
277	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	<	try {
276	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280		se.schedule(new NoOpCallable(),
281		MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 209 | Line 283 | public class ScheduledExecutorTest exten
283		} catch (RejectedExecutionException success) {
284		} catch (SecurityException ok) {
285		}
286	<	joinPool(se);
286	>	joinPool(se);
287		}
288
289		/**
290	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
290	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
291		*/
292		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
293		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
#	Line 245 | Line 319 | public class ScheduledExecutorTest exten
319		}
320
321		/**
322	<	*  getActiveCount increases but doesn't overestimate, when a
323	<	*  thread becomes active
322	>	* getActiveCount increases but doesn't overestimate, when a
323	>	* thread becomes active
324		*/
325		public void testGetActiveCount() throws InterruptedException {
326	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
327	<	assertEquals(0, p2.getActiveCount());
328	<	p2.execute(new SmallRunnable());
329	<	Thread.sleep(SHORT_DELAY_MS);
330	<	assertEquals(1, p2.getActiveCount());
331	<	joinPool(p2);
326	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
327	>	final CountDownLatch threadStarted = new CountDownLatch(1);
328	>	final CountDownLatch done = new CountDownLatch(1);
329	>	try {
330	>	assertEquals(0, p.getActiveCount());
331	>	p.execute(new CheckedRunnable() {
332	>	public void realRun() throws InterruptedException {
333	>	threadStarted.countDown();
334	>	assertEquals(1, p.getActiveCount());
335	>	done.await();
336	>	}});
337	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
338	>	assertEquals(1, p.getActiveCount());
339	>	} finally {
340	>	done.countDown();
341	>	joinPool(p);
342	>	}
343		}
344
345		/**
346	<	*    getCompletedTaskCount increases, but doesn't overestimate,
347	<	*   when tasks complete
346	>	* getCompletedTaskCount increases, but doesn't overestimate,
347	>	* when tasks complete
348		*/
349		public void testGetCompletedTaskCount() throws InterruptedException {
350	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
351	<	assertEquals(0, p2.getCompletedTaskCount());
352	<	p2.execute(new SmallRunnable());
353	<	Thread.sleep(MEDIUM_DELAY_MS);
354	<	assertEquals(1, p2.getCompletedTaskCount());
355	<	joinPool(p2);
350	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
351	>	final CountDownLatch threadStarted = new CountDownLatch(1);
352	>	final CountDownLatch threadProceed = new CountDownLatch(1);
353	>	final CountDownLatch threadDone = new CountDownLatch(1);
354	>	try {
355	>	assertEquals(0, p.getCompletedTaskCount());
356	>	p.execute(new CheckedRunnable() {
357	>	public void realRun() throws InterruptedException {
358	>	threadStarted.countDown();
359	>	assertEquals(0, p.getCompletedTaskCount());
360	>	threadProceed.await();
361	>	threadDone.countDown();
362	>	}});
363	>	await(threadStarted);
364	>	assertEquals(0, p.getCompletedTaskCount());
365	>	threadProceed.countDown();
366	>	threadDone.await();
367	>	long startTime = System.nanoTime();
368	>	while (p.getCompletedTaskCount() != 1) {
369	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
370	>	fail("timed out");
371	>	Thread.yield();
372	>	}
373	>	} finally {
374	>	joinPool(p);
375	>	}
376		}
377
378		/**
379	<	*  getCorePoolSize returns size given in constructor if not otherwise set
379	>	* getCorePoolSize returns size given in constructor if not otherwise set
380		*/
381		public void testGetCorePoolSize() throws InterruptedException {
382	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
383	<	assertEquals(1, p1.getCorePoolSize());
384	<	joinPool(p1);
382	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	assertEquals(1, p.getCorePoolSize());
384	>	joinPool(p);
385		}
386
387		/**
388	<	*    getLargestPoolSize increases, but doesn't overestimate, when
389	<	*   multiple threads active
388	>	* getLargestPoolSize increases, but doesn't overestimate, when
389	>	* multiple threads active
390		*/
391		public void testGetLargestPoolSize() throws InterruptedException {
392	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
393	<	assertEquals(0, p2.getLargestPoolSize());
394	<	p2.execute(new SmallRunnable());
395	<	p2.execute(new SmallRunnable());
396	<	Thread.sleep(SHORT_DELAY_MS);
397	<	assertEquals(2, p2.getLargestPoolSize());
398	<	joinPool(p2);
392	>	final int THREADS = 3;
393	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
394	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
395	>	final CountDownLatch done = new CountDownLatch(1);
396	>	try {
397	>	assertEquals(0, p.getLargestPoolSize());
398	>	for (int i = 0; i < THREADS; i++)
399	>	p.execute(new CheckedRunnable() {
400	>	public void realRun() throws InterruptedException {
401	>	threadsStarted.countDown();
402	>	done.await();
403	>	assertEquals(THREADS, p.getLargestPoolSize());
404	>	}});
405	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
406	>	assertEquals(THREADS, p.getLargestPoolSize());
407	>	} finally {
408	>	done.countDown();
409	>	joinPool(p);
410	>	assertEquals(THREADS, p.getLargestPoolSize());
411	>	}
412		}
413
414		/**
415	<	*   getPoolSize increases, but doesn't overestimate, when threads
416	<	*   become active
415	>	* getPoolSize increases, but doesn't overestimate, when threads
416	>	* become active
417		*/
418		public void testGetPoolSize() throws InterruptedException {
419	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
420	<	assertEquals(0, p1.getPoolSize());
421	<	p1.execute(new SmallRunnable());
422	<	assertEquals(1, p1.getPoolSize());
423	<	joinPool(p1);
419	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
420	>	final CountDownLatch threadStarted = new CountDownLatch(1);
421	>	final CountDownLatch done = new CountDownLatch(1);
422	>	try {
423	>	assertEquals(0, p.getPoolSize());
424	>	p.execute(new CheckedRunnable() {
425	>	public void realRun() throws InterruptedException {
426	>	threadStarted.countDown();
427	>	assertEquals(1, p.getPoolSize());
428	>	done.await();
429	>	}});
430	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
431	>	assertEquals(1, p.getPoolSize());
432	>	} finally {
433	>	done.countDown();
434	>	joinPool(p);
435	>	}
436		}
437
438		/**
439	<	*    getTaskCount increases, but doesn't overestimate, when tasks
440	<	*    submitted
439	>	* getTaskCount increases, but doesn't overestimate, when tasks
440	>	* submitted
441		*/
442		public void testGetTaskCount() throws InterruptedException {
443	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
444	<	assertEquals(0, p1.getTaskCount());
445	<	for (int i = 0; i < 5; i++)
446	<	p1.execute(new SmallRunnable());
447	<	Thread.sleep(SHORT_DELAY_MS);
448	<	assertEquals(5, p1.getTaskCount());
449	<	joinPool(p1);
443	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
444	>	final CountDownLatch threadStarted = new CountDownLatch(1);
445	>	final CountDownLatch done = new CountDownLatch(1);
446	>	final int TASKS = 5;
447	>	try {
448	>	assertEquals(0, p.getTaskCount());
449	>	for (int i = 0; i < TASKS; i++)
450	>	p.execute(new CheckedRunnable() {
451	>	public void realRun() throws InterruptedException {
452	>	threadStarted.countDown();
453	>	done.await();
454	>	}});
455	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
456	>	assertEquals(TASKS, p.getTaskCount());
457	>	} finally {
458	>	done.countDown();
459	>	joinPool(p);
460	>	}
461		}
462
463		/**
#	Line 355 | Line 496 | public class ScheduledExecutorTest exten
496		}
497
498		/**
499	<	*   is isShutDown is false before shutdown, true after
499	>	* isShutdown is false before shutdown, true after
500		*/
501		public void testIsShutdown() {
502
503	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
503	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
504		try {
505	<	assertFalse(p1.isShutdown());
505	>	assertFalse(p.isShutdown());
506		}
507		finally {
508	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
508	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
509		}
510	<	assertTrue(p1.isShutdown());
510	>	assertTrue(p.isShutdown());
511		}
512
372	–
513		/**
514	<	*   isTerminated is false before termination, true after
514	>	* isTerminated is false before termination, true after
515		*/
516		public void testIsTerminated() throws InterruptedException {
517	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
517	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
518	>	final CountDownLatch threadStarted = new CountDownLatch(1);
519	>	final CountDownLatch done = new CountDownLatch(1);
520	>	assertFalse(p.isTerminated());
521		try {
522	<	p1.execute(new SmallRunnable());
522	>	p.execute(new CheckedRunnable() {
523	>	public void realRun() throws InterruptedException {
524	>	assertFalse(p.isTerminated());
525	>	threadStarted.countDown();
526	>	done.await();
527	>	}});
528	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
529	>	assertFalse(p.isTerminating());
530	>	done.countDown();
531		} finally {
532	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
532	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
533		}
534	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	<	assertTrue(p1.isTerminated());
534	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
535	>	assertTrue(p.isTerminated());
536		}
537
538		/**
539	<	*  isTerminating is not true when running or when terminated
539	>	* isTerminating is not true when running or when terminated
540		*/
541		public void testIsTerminating() throws InterruptedException {
542	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
543	<	assertFalse(p1.isTerminating());
544	<	try {
545	<	p1.execute(new SmallRunnable());
546	<	assertFalse(p1.isTerminating());
547	<	} finally {
548	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
549	<	}
550	<
551	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
552	<	assertTrue(p1.isTerminated());
553	<	assertFalse(p1.isTerminating());
542	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
543	>	final CountDownLatch threadStarted = new CountDownLatch(1);
544	>	final CountDownLatch done = new CountDownLatch(1);
545	>	try {
546	>	assertFalse(p.isTerminating());
547	>	p.execute(new CheckedRunnable() {
548	>	public void realRun() throws InterruptedException {
549	>	assertFalse(p.isTerminating());
550	>	threadStarted.countDown();
551	>	done.await();
552	>	}});
553	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
554	>	assertFalse(p.isTerminating());
555	>	done.countDown();
556	>	} finally {
557	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
558	>	}
559	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
560	>	assertTrue(p.isTerminated());
561	>	assertFalse(p.isTerminating());
562		}
563
564		/**
565		* getQueue returns the work queue, which contains queued tasks
566		*/
567		public void testGetQueue() throws InterruptedException {
568	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
569	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
570	<	for (int i = 0; i < 5; i++) {
412	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
413	<	}
568	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
569	>	final CountDownLatch threadStarted = new CountDownLatch(1);
570	>	final CountDownLatch done = new CountDownLatch(1);
571		try {
572	<	Thread.sleep(SHORT_DELAY_MS);
573	<	BlockingQueue<Runnable> q = p1.getQueue();
574	<	assertTrue(q.contains(tasks[4]));
572	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
573	>	for (int i = 0; i < tasks.length; i++) {
574	>	Runnable r = new CheckedRunnable() {
575	>	public void realRun() throws InterruptedException {
576	>	threadStarted.countDown();
577	>	done.await();
578	>	}};
579	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
580	>	}
581	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
582	>	BlockingQueue<Runnable> q = p.getQueue();
583	>	assertTrue(q.contains(tasks[tasks.length - 1]));
584		assertFalse(q.contains(tasks[0]));
585		} finally {
586	<	joinPool(p1);
586	>	done.countDown();
587	>	joinPool(p);
588		}
589		}
590
#	Line 425 | Line 592 | public class ScheduledExecutorTest exten
592		* remove(task) removes queued task, and fails to remove active task
593		*/
594		public void testRemove() throws InterruptedException {
595	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
595	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
596		ScheduledFuture[] tasks = new ScheduledFuture[5];
597	<	for (int i = 0; i < 5; i++) {
598	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
432	<	}
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599		try {
600	<	Thread.sleep(SHORT_DELAY_MS);
601	<	BlockingQueue<Runnable> q = p1.getQueue();
602	<	assertFalse(p1.remove((Runnable)tasks[0]));
600	>	for (int i = 0; i < tasks.length; i++) {
601	>	Runnable r = new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603	>	threadStarted.countDown();
604	>	done.await();
605	>	}};
606	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
607	>	}
608	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
609	>	BlockingQueue<Runnable> q = p.getQueue();
610	>	assertFalse(p.remove((Runnable)tasks[0]));
611		assertTrue(q.contains((Runnable)tasks[4]));
612		assertTrue(q.contains((Runnable)tasks[3]));
613	<	assertTrue(p1.remove((Runnable)tasks[4]));
614	<	assertFalse(p1.remove((Runnable)tasks[4]));
613	>	assertTrue(p.remove((Runnable)tasks[4]));
614	>	assertFalse(p.remove((Runnable)tasks[4]));
615		assertFalse(q.contains((Runnable)tasks[4]));
616		assertTrue(q.contains((Runnable)tasks[3]));
617	<	assertTrue(p1.remove((Runnable)tasks[3]));
617	>	assertTrue(p.remove((Runnable)tasks[3]));
618		assertFalse(q.contains((Runnable)tasks[3]));
619		} finally {
620	<	joinPool(p1);
620	>	done.countDown();
621	>	joinPool(p);
622		}
623		}
624
625		/**
626	<	*  purge removes cancelled tasks from the queue
626	>	* purge eventually removes cancelled tasks from the queue
627		*/
628		public void testPurge() throws InterruptedException {
629	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
629	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
630		ScheduledFuture[] tasks = new ScheduledFuture[5];
631	<	for (int i = 0; i < 5; i++) {
632	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
633	<	}
631	>	for (int i = 0; i < tasks.length; i++)
632	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
633	>	LONG_DELAY_MS, MILLISECONDS);
634		try {
635	<	int max = 5;
635	>	int max = tasks.length;
636		if (tasks[4].cancel(true)) --max;
637		if (tasks[3].cancel(true)) --max;
638		// There must eventually be an interference-free point at
639		// which purge will not fail. (At worst, when queue is empty.)
640	<	int k;
641	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
642	<	p1.purge();
643	<	long count = p1.getTaskCount();
644	<	if (count >= 0 && count <= max)
645	<	break;
646	<	Thread.sleep(1);
647	<	}
473	<	assertTrue(k < SMALL_DELAY_MS);
640	>	long startTime = System.nanoTime();
641	>	do {
642	>	p.purge();
643	>	long count = p.getTaskCount();
644	>	if (count == max)
645	>	return;
646	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
647	>	fail("Purge failed to remove cancelled tasks");
648		} finally {
649	<	joinPool(p1);
649	>	for (ScheduledFuture task : tasks)
650	>	task.cancel(true);
651	>	joinPool(p);
652		}
653		}
654
655		/**
656	<	*  shutDownNow returns a list containing tasks that were not run
656	>	* shutdownNow returns a list containing tasks that were not run,
657	>	* and those tasks are drained from the queue
658		*/
659	<	public void testShutDownNow() throws InterruptedException {
660	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
661	<	for (int i = 0; i < 5; i++)
662	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
663	<	List l;
659	>	public void testShutdownNow() throws InterruptedException {
660	>	final int poolSize = 2;
661	>	final int count = 5;
662	>	final AtomicInteger ran = new AtomicInteger(0);
663	>	final ScheduledThreadPoolExecutor p =
664	>	new ScheduledThreadPoolExecutor(poolSize);
665	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
667	>	threadsStarted.countDown();
668	>	try {
669	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
670	>	} catch (InterruptedException success) {}
671	>	ran.getAndIncrement();
672	>	}};
673	>	for (int i = 0; i < count; i++)
674	>	p.execute(waiter);
675	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
676	>	assertEquals(poolSize, p.getActiveCount());
677	>	assertEquals(0, p.getCompletedTaskCount());
678	>	final List<Runnable> queuedTasks;
679		try {
680	<	l = p1.shutdownNow();
680	>	queuedTasks = p.shutdownNow();
681		} catch (SecurityException ok) {
682	<	return;
682	>	return; // Allowed in case test doesn't have privs
683		}
684	<	assertTrue(p1.isShutdown());
685	<	assertTrue(l.size() > 0 && l.size() <= 5);
686	<	joinPool(p1);
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(p.getQueue().isEmpty());
686	>	assertEquals(count - poolSize, queuedTasks.size());
687	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
688	>	assertTrue(p.isTerminated());
689	>	assertEquals(poolSize, ran.get());
690	>	assertEquals(poolSize, p.getCompletedTaskCount());
691		}
692
693		/**
694	<	* In default setting, shutdown cancels periodic but not delayed
695	<	* tasks at shutdown
694	>	* shutdownNow returns a list containing tasks that were not run,
695	>	* and those tasks are drained from the queue
696		*/
697	<	public void testShutDown1() throws InterruptedException {
698	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
699	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
700	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
701	<
702	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
703	<	for (int i = 0; i < 5; i++)
704	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
705	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
706	<	BlockingQueue q = p1.getQueue();
707	<	for (Iterator it = q.iterator(); it.hasNext();) {
708	<	ScheduledFuture t = (ScheduledFuture)it.next();
709	<	assertFalse(t.isCancelled());
697	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
698	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	>	List<ScheduledFuture> tasks = new ArrayList<>();
700	>	for (int i = 0; i < 3; i++) {
701	>	Runnable r = new NoOpRunnable();
702	>	tasks.add(p.schedule(r, 9, SECONDS));
703	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
704	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
705	>	}
706	>	if (testImplementationDetails)
707	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
708	>	final List<Runnable> queuedTasks;
709	>	try {
710	>	queuedTasks = p.shutdownNow();
711	>	} catch (SecurityException ok) {
712	>	return; // Allowed in case test doesn't have privs
713		}
714	<	assertTrue(p1.isShutdown());
715	<	Thread.sleep(SMALL_DELAY_MS);
716	<	for (int i = 0; i < 5; ++i) {
717	<	assertTrue(tasks[i].isDone());
718	<	assertFalse(tasks[i].isCancelled());
714	>	assertTrue(p.isShutdown());
715	>	assertTrue(p.getQueue().isEmpty());
716	>	if (testImplementationDetails)
717	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
718	>	assertEquals(tasks.size(), queuedTasks.size());
719	>	for (ScheduledFuture task : tasks) {
720	>	assertFalse(task.isDone());
721	>	assertFalse(task.isCancelled());
722		}
723	<	}
724	<
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());
723	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
724	>	assertTrue(p.isTerminated());
725		}
726
727		/**
728	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
729	<	* periodic tasks are cancelled at shutdown
730	<	*/
731	<	public void testShutDown4() throws InterruptedException {
732	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
733	<	try {
734	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
735	<	ScheduledFuture task =
736	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
737	<	assertFalse(task.isCancelled());
738	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
739	<	assertFalse(task.isCancelled());
740	<	assertFalse(p1.isTerminated());
741	<	assertTrue(p1.isShutdown());
742	<	Thread.sleep(SHORT_DELAY_MS);
743	<	assertFalse(task.isCancelled());
744	<	assertTrue(task.cancel(true));
745	<	assertTrue(task.isDone());
746	<	Thread.sleep(SHORT_DELAY_MS);
747	<	assertTrue(p1.isTerminated());
728	>	* By default, periodic tasks are cancelled at shutdown.
729	>	* By default, delayed tasks keep running after shutdown.
730	>	* Check that changing the default values work:
731	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
732	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
733	>	*/
734	>	public void testShutdown_cancellation() throws Exception {
735	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
736	>	for (Boolean policy : allBooleans)
737	>	{
738	>	final int poolSize = 2;
739	>	final ScheduledThreadPoolExecutor p
740	>	= new ScheduledThreadPoolExecutor(poolSize);
741	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
742	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
743	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
744	>	if (policy != null) {
745	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
746	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
747	>	p.setRemoveOnCancelPolicy(policy);
748	>	}
749	>	assertEquals(effectiveDelayedPolicy,
750	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
751	>	assertEquals(effectivePeriodicPolicy,
752	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
753	>	assertEquals(effectiveRemovePolicy,
754	>	p.getRemoveOnCancelPolicy());
755	>	// Strategy: Wedge the pool with poolSize "blocker" threads
756	>	final AtomicInteger ran = new AtomicInteger(0);
757	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
758	>	final CountDownLatch unblock = new CountDownLatch(1);
759	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
760	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
761	>	Runnable task = new CheckedRunnable() { public void realRun()
762	>	throws InterruptedException {
763	>	poolBlocked.countDown();
764	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
765	>	ran.getAndIncrement();
766	>	}};
767	>	List<Future<?>> blockers = new ArrayList<>();
768	>	List<Future<?>> periodics = new ArrayList<>();
769	>	List<Future<?>> delayeds = new ArrayList<>();
770	>	for (int i = 0; i < poolSize; i++)
771	>	blockers.add(p.submit(task));
772	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
773	>
774	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
775	>	1, 1, MILLISECONDS));
776	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
777	>	1, 1, MILLISECONDS));
778	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
779	>
780	>	assertTrue(p.getQueue().containsAll(periodics));
781	>	assertTrue(p.getQueue().containsAll(delayeds));
782	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
783	>	assertTrue(p.isShutdown());
784	>	assertFalse(p.isTerminated());
785	>	for (Future<?> periodic : periodics) {
786	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
787	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
788	>	}
789	>	for (Future<?> delayed : delayeds) {
790	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
791	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
792	>	}
793	>	if (testImplementationDetails) {
794	>	assertEquals(effectivePeriodicPolicy,
795	>	p.getQueue().containsAll(periodics));
796	>	assertEquals(effectiveDelayedPolicy,
797	>	p.getQueue().containsAll(delayeds));
798	>	}
799	>	// Release all pool threads
800	>	unblock.countDown();
801	>
802	>	for (Future<?> delayed : delayeds) {
803	>	if (effectiveDelayedPolicy) {
804	>	assertNull(delayed.get());
805	>	}
806		}
807	<	finally {
808	<	joinPool(p1);
807	>	if (effectivePeriodicPolicy) {
808	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
809	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
810	>	for (Future<?> periodic : periodics) {
811	>	assertTrue(periodic.cancel(false));
812	>	assertTrue(periodic.isCancelled());
813	>	assertTrue(periodic.isDone());
814	>	}
815		}
816	<	}
816	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
817	>	assertTrue(p.isTerminated());
818	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
819	>	}}
820
821		/**
822		* completed submit of callable returns result
#	Line 658 | Line 892 | public class ScheduledExecutorTest exten
892		* invokeAny(c) throws NPE if c has null elements
893		*/
894		public void testInvokeAny3() throws Exception {
895	<	final CountDownLatch latch = new CountDownLatch(1);
895	>	CountDownLatch latch = new CountDownLatch(1);
896		ExecutorService e = new ScheduledThreadPoolExecutor(2);
897	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
898	+	l.add(latchAwaitingStringTask(latch));
899	+	l.add(null);
900		try {
664	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
665	–	l.add(new Callable<String>() {
666	–	public String call() {
667	–	try {
668	–	latch.await();
669	–	} catch (InterruptedException quittingTime) {}
670	–	return TEST_STRING;
671	–	}});
672	–	l.add(null);
901		e.invokeAny(l);
902		shouldThrow();
903		} catch (NullPointerException success) {
#	Line 684 | Line 912 | public class ScheduledExecutorTest exten
912		*/
913		public void testInvokeAny4() throws Exception {
914		ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
916	+	l.add(new NPETask());
917		try {
688	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
689	–	l.add(new NPETask());
918		e.invokeAny(l);
919		shouldThrow();
920		} catch (ExecutionException success) {
#	Line 702 | Line 930 | public class ScheduledExecutorTest exten
930		public void testInvokeAny5() throws Exception {
931		ExecutorService e = new ScheduledThreadPoolExecutor(2);
932		try {
933	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
933	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
934		l.add(new StringTask());
935		l.add(new StringTask());
936		String result = e.invokeAny(l);
#	Line 744 | Line 972 | public class ScheduledExecutorTest exten
972		*/
973		public void testInvokeAll3() throws Exception {
974		ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
976	+	l.add(new StringTask());
977	+	l.add(null);
978		try {
748	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
749	–	l.add(new StringTask());
750	–	l.add(null);
979		e.invokeAll(l);
980		shouldThrow();
981		} catch (NullPointerException success) {
#	Line 761 | Line 989 | public class ScheduledExecutorTest exten
989		*/
990		public void testInvokeAll4() throws Exception {
991		ExecutorService e = new ScheduledThreadPoolExecutor(2);
992	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
993	+	l.add(new NPETask());
994	+	List<Future<String>> futures = e.invokeAll(l);
995	+	assertEquals(1, futures.size());
996		try {
997	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
766	<	l.add(new NPETask());
767	<	List<Future<String>> result = e.invokeAll(l);
768	<	assertEquals(1, result.size());
769	<	for (Future<String> future : result)
770	<	future.get();
997	>	futures.get(0).get();
998		shouldThrow();
999		} catch (ExecutionException success) {
1000		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 782 | Line 1009 | public class ScheduledExecutorTest exten
1009		public void testInvokeAll5() throws Exception {
1010		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1011		try {
1012	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1012	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1013		l.add(new StringTask());
1014		l.add(new StringTask());
1015	<	List<Future<String>> result = e.invokeAll(l);
1016	<	assertEquals(2, result.size());
1017	<	for (Future<String> future : result)
1015	>	List<Future<String>> futures = e.invokeAll(l);
1016	>	assertEquals(2, futures.size());
1017	>	for (Future<String> future : futures)
1018		assertSame(TEST_STRING, future.get());
1019		} finally {
1020		joinPool(e);
#	Line 813 | Line 1040 | public class ScheduledExecutorTest exten
1040		*/
1041		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1042		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1043	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1044	+	l.add(new StringTask());
1045		try {
817	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
818	–	l.add(new StringTask());
1046		e.invokeAny(l, MEDIUM_DELAY_MS, null);
1047		shouldThrow();
1048		} catch (NullPointerException success) {
#	Line 842 | Line 1069 | public class ScheduledExecutorTest exten
1069		* timed invokeAny(c) throws NPE if c has null elements
1070		*/
1071		public void testTimedInvokeAny3() throws Exception {
1072	<	final CountDownLatch latch = new CountDownLatch(1);
1072	>	CountDownLatch latch = new CountDownLatch(1);
1073		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1074	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1075	+	l.add(latchAwaitingStringTask(latch));
1076	+	l.add(null);
1077		try {
848	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
849	–	l.add(new Callable<String>() {
850	–	public String call() {
851	–	try {
852	–	latch.await();
853	–	} catch (InterruptedException quittingTime) {}
854	–	return TEST_STRING;
855	–	}});
856	–	l.add(null);
1078		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1079		shouldThrow();
1080		} catch (NullPointerException success) {
#	Line 868 | Line 1089 | public class ScheduledExecutorTest exten
1089		*/
1090		public void testTimedInvokeAny4() throws Exception {
1091		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1093	+	l.add(new NPETask());
1094		try {
872	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
873	–	l.add(new NPETask());
1095		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1096		shouldThrow();
1097		} catch (ExecutionException success) {
#	Line 886 | Line 1107 | public class ScheduledExecutorTest exten
1107		public void testTimedInvokeAny5() throws Exception {
1108		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1109		try {
1110	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1110	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1111		l.add(new StringTask());
1112		l.add(new StringTask());
1113		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 915 | Line 1136 | public class ScheduledExecutorTest exten
1136		*/
1137		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1138		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1139	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1140	+	l.add(new StringTask());
1141		try {
919	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
920	–	l.add(new StringTask());
1142		e.invokeAll(l, MEDIUM_DELAY_MS, null);
1143		shouldThrow();
1144		} catch (NullPointerException success) {
#	Line 944 | Line 1165 | public class ScheduledExecutorTest exten
1165		*/
1166		public void testTimedInvokeAll3() throws Exception {
1167		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1168	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1169	+	l.add(new StringTask());
1170	+	l.add(null);
1171		try {
948	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
949	–	l.add(new StringTask());
950	–	l.add(null);
1172		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1173		shouldThrow();
1174		} catch (NullPointerException success) {
#	Line 961 | Line 1182 | public class ScheduledExecutorTest exten
1182		*/
1183		public void testTimedInvokeAll4() throws Exception {
1184		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1186	+	l.add(new NPETask());
1187	+	List<Future<String>> futures =
1188	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1189	+	assertEquals(1, futures.size());
1190		try {
1191	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966	<	l.add(new NPETask());
967	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
968	<	assertEquals(1, result.size());
969	<	for (Future<String> future : result)
970	<	future.get();
1191	>	futures.get(0).get();
1192		shouldThrow();
1193		} catch (ExecutionException success) {
1194		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 982 | Line 1203 | public class ScheduledExecutorTest exten
1203		public void testTimedInvokeAll5() throws Exception {
1204		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1205		try {
1206	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1206	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1207		l.add(new StringTask());
1208		l.add(new StringTask());
1209	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1210	<	assertEquals(2, result.size());
1211	<	for (Future<String> future : result)
1209	>	List<Future<String>> futures =
1210	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1211	>	assertEquals(2, futures.size());
1212	>	for (Future<String> future : futures)
1213		assertSame(TEST_STRING, future.get());
1214		} finally {
1215		joinPool(e);
#	Line 1000 | Line 1222 | public class ScheduledExecutorTest exten
1222		public void testTimedInvokeAll6() throws Exception {
1223		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1224		try {
1225	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1226	<	l.add(new StringTask());
1227	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1228	<	l.add(new StringTask());
1229	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1230	<	assertEquals(3, result.size());
1231	<	Iterator<Future<String>> it = result.iterator();
1232	<	Future<String> f1 = it.next();
1233	<	Future<String> f2 = it.next();
1234	<	Future<String> f3 = it.next();
1235	<	assertTrue(f1.isDone());
1236	<	assertTrue(f2.isDone());
1237	<	assertTrue(f3.isDone());
1238	<	assertFalse(f1.isCancelled());
1239	<	assertTrue(f2.isCancelled());
1225	>	for (long timeout = timeoutMillis();;) {
1226	>	List<Callable<String>> tasks = new ArrayList<>();
1227	>	tasks.add(new StringTask("0"));
1228	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1229	>	tasks.add(new StringTask("2"));
1230	>	long startTime = System.nanoTime();
1231	>	List<Future<String>> futures =
1232	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1233	>	assertEquals(tasks.size(), futures.size());
1234	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1235	>	for (Future future : futures)
1236	>	assertTrue(future.isDone());
1237	>	assertTrue(futures.get(1).isCancelled());
1238	>	try {
1239	>	assertEquals("0", futures.get(0).get());
1240	>	assertEquals("2", futures.get(2).get());
1241	>	break;
1242	>	} catch (CancellationException retryWithLongerTimeout) {
1243	>	timeout *= 2;
1244	>	if (timeout >= LONG_DELAY_MS / 2)
1245	>	fail("expected exactly one task to be cancelled");
1246	>	}
1247	>	}
1248		} finally {
1249		joinPool(e);
1250		}
1251		}
1252
1023	–
1253		}

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