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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.27 by jsr166, Sat Nov 21 17:38:05 2009 UTC vs.
Revision 1.54 by jsr166, Sun Sep 27 20:17:39 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 178 | Line 252 | public class ScheduledExecutorTest exten
252		}
253
254		joinPool(se);
181	–
255		}
256
257		/**
#	Line 200 | 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 210 | 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 246 | 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 356 | 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
373	–
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++) {
413	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
414	<	}
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 426 | 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);
433	<	}
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	<	}
474	<	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_delayedTasks() throws InterruptedException {
660	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
661	>	List<ScheduledFuture> tasks = new ArrayList<>();
662	>	for (int i = 0; i < 3; i++) {
663	>	Runnable r = new NoOpRunnable();
664	>	tasks.add(p.schedule(r, 9, SECONDS));
665	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
666	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
667	>	}
668	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
669	>	final List<Runnable> queuedTasks;
670		try {
671	<	l = p1.shutdownNow();
671	>	queuedTasks = p.shutdownNow();
672		} catch (SecurityException ok) {
673	<	return;
673	>	return; // Allowed in case test doesn't have privs
674		}
675	<	assertTrue(p1.isShutdown());
676	<	assertTrue(l.size() > 0 && l.size() <= 5);
677	<	joinPool(p1);
675	>	assertTrue(p.isShutdown());
676	>	assertTrue(p.getQueue().isEmpty());
677	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
678	>	assertEquals(tasks.size(), queuedTasks.size());
679	>	for (ScheduledFuture task : tasks) {
680	>	assertFalse(task.isDone());
681	>	assertFalse(task.isCancelled());
682	>	}
683	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
684	>	assertTrue(p.isTerminated());
685		}
686
687		/**
688		* In default setting, shutdown cancels periodic but not delayed
689		* tasks at shutdown
690		*/
691	<	public void testShutDown1() throws InterruptedException {
692	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
693	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
694	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
691	>	public void testShutdown1() throws InterruptedException {
692	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
693	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
694	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
695
696		ScheduledFuture[] tasks = new ScheduledFuture[5];
697	<	for (int i = 0; i < 5; i++)
698	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
699	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
700	<	BlockingQueue q = p1.getQueue();
701	<	for (Iterator it = q.iterator(); it.hasNext();) {
702	<	ScheduledFuture t = (ScheduledFuture)it.next();
703	<	assertFalse(t.isCancelled());
704	<	}
705	<	assertTrue(p1.isShutdown());
706	<	Thread.sleep(SMALL_DELAY_MS);
707	<	for (int i = 0; i < 5; ++i) {
708	<	assertTrue(tasks[i].isDone());
709	<	assertFalse(tasks[i].isCancelled());
697	>	for (int i = 0; i < tasks.length; i++)
698	>	tasks[i] = p.schedule(new NoOpRunnable(),
699	>	SHORT_DELAY_MS, MILLISECONDS);
700	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
701	>	BlockingQueue<Runnable> q = p.getQueue();
702	>	for (ScheduledFuture task : tasks) {
703	>	assertFalse(task.isDone());
704	>	assertFalse(task.isCancelled());
705	>	assertTrue(q.contains(task));
706	>	}
707	>	assertTrue(p.isShutdown());
708	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
709	>	assertTrue(p.isTerminated());
710	>	for (ScheduledFuture task : tasks) {
711	>	assertTrue(task.isDone());
712	>	assertFalse(task.isCancelled());
713		}
714		}
715
524	–
716		/**
717		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
718		* delayed tasks are cancelled at shutdown
719		*/
720	<	public void testShutDown2() throws InterruptedException {
721	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
722	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
720	>	public void testShutdown2() throws InterruptedException {
721	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
722	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
723	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
724	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
725		ScheduledFuture[] tasks = new ScheduledFuture[5];
726	<	for (int i = 0; i < 5; i++)
727	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
728	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
729	<	assertTrue(p1.isShutdown());
730	<	BlockingQueue q = p1.getQueue();
726	>	for (int i = 0; i < tasks.length; i++)
727	>	tasks[i] = p.schedule(new NoOpRunnable(),
728	>	SHORT_DELAY_MS, MILLISECONDS);
729	>	BlockingQueue q = p.getQueue();
730	>	assertEquals(tasks.length, q.size());
731	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
732	>	assertTrue(p.isShutdown());
733		assertTrue(q.isEmpty());
734	<	Thread.sleep(SMALL_DELAY_MS);
735	<	assertTrue(p1.isTerminated());
734	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
735	>	assertTrue(p.isTerminated());
736	>	for (ScheduledFuture task : tasks) {
737	>	assertTrue(task.isDone());
738	>	assertTrue(task.isCancelled());
739	>	}
740		}
741
543	–
742		/**
743		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
744	<	* periodic tasks are not cancelled at shutdown
744	>	* periodic tasks are cancelled at shutdown
745		*/
746	<	public void testShutDown3() throws InterruptedException {
747	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
748	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
746	>	public void testShutdown3() throws InterruptedException {
747	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
748	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
749	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
750	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
751	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
752	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
753	>	long initialDelay = LONG_DELAY_MS;
754		ScheduledFuture task =
755	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
756	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
757	<	assertTrue(p1.isShutdown());
758	<	BlockingQueue q = p1.getQueue();
759	<	assertTrue(q.isEmpty());
760	<	Thread.sleep(SHORT_DELAY_MS);
761	<	assertTrue(p1.isTerminated());
755	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
756	>	5, MILLISECONDS);
757	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
758	>	assertTrue(p.isShutdown());
759	>	assertTrue(p.getQueue().isEmpty());
760	>	assertTrue(task.isDone());
761	>	assertTrue(task.isCancelled());
762	>	joinPool(p);
763		}
764
765		/**
766		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
767	<	* periodic tasks are cancelled at shutdown
767	>	* periodic tasks are not cancelled at shutdown
768		*/
769	<	public void testShutDown4() throws InterruptedException {
770	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
769	>	public void testShutdown4() throws InterruptedException {
770	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
771	>	final CountDownLatch counter = new CountDownLatch(2);
772		try {
773	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
773	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
774	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
775	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
776	>	final Runnable r = new CheckedRunnable() {
777	>	public void realRun() {
778	>	counter.countDown();
779	>	}};
780		ScheduledFuture task =
781	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
781	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
782	>	assertFalse(task.isDone());
783		assertFalse(task.isCancelled());
784	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
784	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
785		assertFalse(task.isCancelled());
786	<	assertFalse(p1.isTerminated());
787	<	assertTrue(p1.isShutdown());
788	<	Thread.sleep(SHORT_DELAY_MS);
786	>	assertFalse(p.isTerminated());
787	>	assertTrue(p.isShutdown());
788	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
789		assertFalse(task.isCancelled());
790	<	assertTrue(task.cancel(true));
790	>	assertTrue(task.cancel(false));
791		assertTrue(task.isDone());
792	<	Thread.sleep(SHORT_DELAY_MS);
793	<	assertTrue(p1.isTerminated());
792	>	assertTrue(task.isCancelled());
793	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
794	>	assertTrue(p.isTerminated());
795		}
796		finally {
797	<	joinPool(p1);
797	>	joinPool(p);
798		}
799		}
800
#	Line 659 | Line 872 | public class ScheduledExecutorTest exten
872		* invokeAny(c) throws NPE if c has null elements
873		*/
874		public void testInvokeAny3() throws Exception {
875	<	final CountDownLatch latch = new CountDownLatch(1);
875	>	CountDownLatch latch = new CountDownLatch(1);
876		ExecutorService e = new ScheduledThreadPoolExecutor(2);
877	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
878	+	l.add(latchAwaitingStringTask(latch));
879	+	l.add(null);
880		try {
665	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
666	–	l.add(new Callable<String>() {
667	–	public String call() {
668	–	try {
669	–	latch.await();
670	–	} catch (InterruptedException quittingTime) {}
671	–	return TEST_STRING;
672	–	}});
673	–	l.add(null);
881		e.invokeAny(l);
882		shouldThrow();
883		} catch (NullPointerException success) {
#	Line 685 | Line 892 | public class ScheduledExecutorTest exten
892		*/
893		public void testInvokeAny4() throws Exception {
894		ExecutorService e = new ScheduledThreadPoolExecutor(2);
895	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
896	+	l.add(new NPETask());
897		try {
689	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
690	–	l.add(new NPETask());
898		e.invokeAny(l);
899		shouldThrow();
900		} catch (ExecutionException success) {
#	Line 703 | Line 910 | public class ScheduledExecutorTest exten
910		public void testInvokeAny5() throws Exception {
911		ExecutorService e = new ScheduledThreadPoolExecutor(2);
912		try {
913	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
913	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
914		l.add(new StringTask());
915		l.add(new StringTask());
916		String result = e.invokeAny(l);
#	Line 745 | Line 952 | public class ScheduledExecutorTest exten
952		*/
953		public void testInvokeAll3() throws Exception {
954		ExecutorService e = new ScheduledThreadPoolExecutor(2);
955	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
956	+	l.add(new StringTask());
957	+	l.add(null);
958		try {
749	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
750	–	l.add(new StringTask());
751	–	l.add(null);
959		e.invokeAll(l);
960		shouldThrow();
961		} catch (NullPointerException success) {
#	Line 762 | Line 969 | public class ScheduledExecutorTest exten
969		*/
970		public void testInvokeAll4() throws Exception {
971		ExecutorService e = new ScheduledThreadPoolExecutor(2);
972	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
973	+	l.add(new NPETask());
974	+	List<Future<String>> futures = e.invokeAll(l);
975	+	assertEquals(1, futures.size());
976		try {
977	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
767	<	l.add(new NPETask());
768	<	List<Future<String>> result = e.invokeAll(l);
769	<	assertEquals(1, result.size());
770	<	for (Future<String> future : result)
771	<	future.get();
977	>	futures.get(0).get();
978		shouldThrow();
979		} catch (ExecutionException success) {
980		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 783 | Line 989 | public class ScheduledExecutorTest exten
989		public void testInvokeAll5() throws Exception {
990		ExecutorService e = new ScheduledThreadPoolExecutor(2);
991		try {
992	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
992	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
993		l.add(new StringTask());
994		l.add(new StringTask());
995	<	List<Future<String>> result = e.invokeAll(l);
996	<	assertEquals(2, result.size());
997	<	for (Future<String> future : result)
995	>	List<Future<String>> futures = e.invokeAll(l);
996	>	assertEquals(2, futures.size());
997	>	for (Future<String> future : futures)
998		assertSame(TEST_STRING, future.get());
999		} finally {
1000		joinPool(e);
#	Line 814 | Line 1020 | public class ScheduledExecutorTest exten
1020		*/
1021		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1022		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1024	+	l.add(new StringTask());
1025		try {
818	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
819	–	l.add(new StringTask());
1026		e.invokeAny(l, MEDIUM_DELAY_MS, null);
1027		shouldThrow();
1028		} catch (NullPointerException success) {
#	Line 843 | Line 1049 | public class ScheduledExecutorTest exten
1049		* timed invokeAny(c) throws NPE if c has null elements
1050		*/
1051		public void testTimedInvokeAny3() throws Exception {
1052	<	final CountDownLatch latch = new CountDownLatch(1);
1052	>	CountDownLatch latch = new CountDownLatch(1);
1053		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1054	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1055	+	l.add(latchAwaitingStringTask(latch));
1056	+	l.add(null);
1057		try {
849	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
850	–	l.add(new Callable<String>() {
851	–	public String call() {
852	–	try {
853	–	latch.await();
854	–	} catch (InterruptedException quittingTime) {}
855	–	return TEST_STRING;
856	–	}});
857	–	l.add(null);
1058		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1059		shouldThrow();
1060		} catch (NullPointerException success) {
#	Line 869 | Line 1069 | public class ScheduledExecutorTest exten
1069		*/
1070		public void testTimedInvokeAny4() throws Exception {
1071		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1072	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1073	+	l.add(new NPETask());
1074		try {
873	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
874	–	l.add(new NPETask());
1075		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1076		shouldThrow();
1077		} catch (ExecutionException success) {
#	Line 887 | Line 1087 | public class ScheduledExecutorTest exten
1087		public void testTimedInvokeAny5() throws Exception {
1088		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1089		try {
1090	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1090	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1091		l.add(new StringTask());
1092		l.add(new StringTask());
1093		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 916 | Line 1116 | public class ScheduledExecutorTest exten
1116		*/
1117		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1118		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1119	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1120	+	l.add(new StringTask());
1121		try {
920	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
921	–	l.add(new StringTask());
1122		e.invokeAll(l, MEDIUM_DELAY_MS, null);
1123		shouldThrow();
1124		} catch (NullPointerException success) {
#	Line 945 | Line 1145 | public class ScheduledExecutorTest exten
1145		*/
1146		public void testTimedInvokeAll3() throws Exception {
1147		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1148	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1149	+	l.add(new StringTask());
1150	+	l.add(null);
1151		try {
949	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
950	–	l.add(new StringTask());
951	–	l.add(null);
1152		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1153		shouldThrow();
1154		} catch (NullPointerException success) {
#	Line 962 | Line 1162 | public class ScheduledExecutorTest exten
1162		*/
1163		public void testTimedInvokeAll4() throws Exception {
1164		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1165	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1166	+	l.add(new NPETask());
1167	+	List<Future<String>> futures =
1168	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1169	+	assertEquals(1, futures.size());
1170		try {
1171	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
967	<	l.add(new NPETask());
968	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
969	<	assertEquals(1, result.size());
970	<	for (Future<String> future : result)
971	<	future.get();
1171	>	futures.get(0).get();
1172		shouldThrow();
1173		} catch (ExecutionException success) {
1174		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 983 | Line 1183 | public class ScheduledExecutorTest exten
1183		public void testTimedInvokeAll5() throws Exception {
1184		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1185		try {
1186	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1186	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1187		l.add(new StringTask());
1188		l.add(new StringTask());
1189	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	<	assertEquals(2, result.size());
1191	<	for (Future<String> future : result)
1189	>	List<Future<String>> futures =
1190	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1191	>	assertEquals(2, futures.size());
1192	>	for (Future<String> future : futures)
1193		assertSame(TEST_STRING, future.get());
1194		} finally {
1195		joinPool(e);
#	Line 1001 | Line 1202 | public class ScheduledExecutorTest exten
1202		public void testTimedInvokeAll6() throws Exception {
1203		ExecutorService e = new ScheduledThreadPoolExecutor(2);
1204		try {
1205	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1206	<	l.add(new StringTask());
1207	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1208	<	l.add(new StringTask());
1209	<	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1210	<	assertEquals(3, result.size());
1211	<	Iterator<Future<String>> it = result.iterator();
1212	<	Future<String> f1 = it.next();
1213	<	Future<String> f2 = it.next();
1214	<	Future<String> f3 = it.next();
1215	<	assertTrue(f1.isDone());
1216	<	assertTrue(f2.isDone());
1217	<	assertTrue(f3.isDone());
1218	<	assertFalse(f1.isCancelled());
1219	<	assertTrue(f2.isCancelled());
1205	>	for (long timeout = timeoutMillis();;) {
1206	>	List<Callable<String>> tasks = new ArrayList<>();
1207	>	tasks.add(new StringTask("0"));
1208	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1209	>	tasks.add(new StringTask("2"));
1210	>	long startTime = System.nanoTime();
1211	>	List<Future<String>> futures =
1212	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1213	>	assertEquals(tasks.size(), futures.size());
1214	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1215	>	for (Future future : futures)
1216	>	assertTrue(future.isDone());
1217	>	assertTrue(futures.get(1).isCancelled());
1218	>	try {
1219	>	assertEquals("0", futures.get(0).get());
1220	>	assertEquals("2", futures.get(2).get());
1221	>	break;
1222	>	} catch (CancellationException retryWithLongerTimeout) {
1223	>	timeout *= 2;
1224	>	if (timeout >= LONG_DELAY_MS / 2)
1225	>	fail("expected exactly one task to be cancelled");
1226	>	}
1227	>	}
1228		} finally {
1229		joinPool(e);
1230		}
1231		}
1232
1024	–
1233		}

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