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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.30 by jsr166, Wed Aug 25 00:07:03 2010 UTC vs.
Revision 1.51 by jsr166, Sat Apr 25 04:55:31 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	>
11	>	import java.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CountDownLatch;
16	>	import java.util.concurrent.ExecutionException;
17	>	import java.util.concurrent.Executors;
18	>	import java.util.concurrent.ExecutorService;
19	>	import java.util.concurrent.Future;
20	>	import java.util.concurrent.RejectedExecutionException;
21	>	import java.util.concurrent.ScheduledFuture;
22	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
23	>	import java.util.concurrent.ThreadFactory;
24	>	import java.util.concurrent.ThreadPoolExecutor;
25	>	import java.util.concurrent.atomic.AtomicInteger;
26	>
27	>	import junit.framework.Test;
28	>	import junit.framework.TestSuite;
29
30		public class ScheduledExecutorTest extends JSR166TestCase {
31		public static void main(String[] args) {
32	<	junit.textui.TestRunner.run(suite());
32	>	main(suite(), args);
33		}
34		public static Test suite() {
35		return new TestSuite(ScheduledExecutorTest.class);
36		}
37
23	–
38		/**
39		* execute successfully executes a runnable
40		*/
41		public void testExecute() throws InterruptedException {
42	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
43	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
44	<	p1.execute(runnable);
45	<	assertFalse(runnable.done);
46	<	Thread.sleep(SHORT_DELAY_MS);
47	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
48	<	Thread.sleep(MEDIUM_DELAY_MS);
49	<	assertTrue(runnable.done);
50	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
51	<	joinPool(p1);
42	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
43	>	final CountDownLatch done = new CountDownLatch(1);
44	>	final Runnable task = new CheckedRunnable() {
45	>	public void realRun() {
46	>	done.countDown();
47	>	}};
48	>	try {
49	>	p.execute(task);
50	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
51	>	} finally {
52	>	joinPool(p);
53	>	}
54		}
55
40	–
56		/**
57		* delayed schedule of callable successfully executes after delay
58		*/
59		public void testSchedule1() throws Exception {
60	<	TrackedCallable callable = new TrackedCallable();
61	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
63	<	assertFalse(callable.done);
64	<	Thread.sleep(MEDIUM_DELAY_MS);
65	<	assertTrue(callable.done);
66	<	assertEquals(Boolean.TRUE, f.get());
67	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
68	<	joinPool(p1);
60	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63	>	try {
64	>	Callable task = new CheckedCallable<Boolean>() {
65	>	public Boolean realCall() {
66	>	done.countDown();
67	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
68	>	return Boolean.TRUE;
69	>	}};
70	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
71	>	assertSame(Boolean.TRUE, f.get());
72	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
73	>	assertTrue(done.await(0L, MILLISECONDS));
74	>	} finally {
75	>	joinPool(p);
76	>	}
77		}
78
79		/**
80	<	*  delayed schedule of runnable successfully executes after delay
81	<	*/
82	<	public void testSchedule3() throws InterruptedException {
83	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
84	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
85	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
86	<	Thread.sleep(SHORT_DELAY_MS);
87	<	assertFalse(runnable.done);
88	<	Thread.sleep(MEDIUM_DELAY_MS);
89	<	assertTrue(runnable.done);
90	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
91	<	joinPool(p1);
80	>	* delayed schedule of runnable successfully executes after delay
81	>	*/
82	>	public void testSchedule3() throws Exception {
83	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86	>	try {
87	>	Runnable task = new CheckedRunnable() {
88	>	public void realRun() {
89	>	done.countDown();
90	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
91	>	}};
92	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
93	>	await(done);
94	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
95	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
96	>	} finally {
97	>	joinPool(p);
98	>	}
99		}
100
101		/**
102		* scheduleAtFixedRate executes runnable after given initial delay
103		*/
104	<	public void testSchedule4() throws InterruptedException {
105	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
106	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
107	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
108	<	assertFalse(runnable.done);
109	<	Thread.sleep(MEDIUM_DELAY_MS);
110	<	assertTrue(runnable.done);
111	<	h.cancel(true);
112	<	joinPool(p1);
113	<	}
114	<
115	<	static class RunnableCounter implements Runnable {
116	<	AtomicInteger count = new AtomicInteger(0);
117	<	public void run() { count.getAndIncrement(); }
104	>	public void testSchedule4() throws Exception {
105	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
106	>	final long startTime = System.nanoTime();
107	>	final CountDownLatch done = new CountDownLatch(1);
108	>	try {
109	>	Runnable task = new CheckedRunnable() {
110	>	public void realRun() {
111	>	done.countDown();
112	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
113	>	}};
114	>	ScheduledFuture f =
115	>	p.scheduleAtFixedRate(task, timeoutMillis(),
116	>	LONG_DELAY_MS, MILLISECONDS);
117	>	await(done);
118	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
119	>	f.cancel(true);
120	>	} finally {
121	>	joinPool(p);
122	>	}
123		}
124
125		/**
126		* scheduleWithFixedDelay executes runnable after given initial delay
127		*/
128	<	public void testSchedule5() throws InterruptedException {
129	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
130	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
131	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
132	<	assertFalse(runnable.done);
133	<	Thread.sleep(MEDIUM_DELAY_MS);
134	<	assertTrue(runnable.done);
135	<	h.cancel(true);
136	<	joinPool(p1);
128	>	public void testSchedule5() throws Exception {
129	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
130	>	final long startTime = System.nanoTime();
131	>	final CountDownLatch done = new CountDownLatch(1);
132	>	try {
133	>	Runnable task = new CheckedRunnable() {
134	>	public void realRun() {
135	>	done.countDown();
136	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
137	>	}};
138	>	ScheduledFuture f =
139	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
140	>	LONG_DELAY_MS, MILLISECONDS);
141	>	await(done);
142	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
143	>	f.cancel(true);
144	>	} finally {
145	>	joinPool(p);
146	>	}
147	>	}
148	>
149	>	static class RunnableCounter implements Runnable {
150	>	AtomicInteger count = new AtomicInteger(0);
151	>	public void run() { count.getAndIncrement(); }
152		}
153
154		/**
155		* scheduleAtFixedRate executes series of tasks at given rate
156		*/
157		public void testFixedRateSequence() throws InterruptedException {
158	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
159	<	RunnableCounter counter = new RunnableCounter();
160	<	ScheduledFuture h =
161	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
162	<	Thread.sleep(SMALL_DELAY_MS);
163	<	h.cancel(true);
164	<	int c = counter.count.get();
165	<	// By time scaling conventions, we must have at least
166	<	// an execution per SHORT delay, but no more than one SHORT more
167	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
168	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
169	<	joinPool(p1);
158	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
159	>	try {
160	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
161	>	long startTime = System.nanoTime();
162	>	int cycles = 10;
163	>	final CountDownLatch done = new CountDownLatch(cycles);
164	>	Runnable task = new CheckedRunnable() {
165	>	public void realRun() { done.countDown(); }};
166	>	ScheduledFuture h =
167	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
168	>	done.await();
169	>	h.cancel(true);
170	>	double normalizedTime =
171	>	(double) millisElapsedSince(startTime) / delay;
172	>	if (normalizedTime >= cycles - 1 &&
173	>	normalizedTime <= cycles)
174	>	return;
175	>	}
176	>	throw new AssertionError("unexpected execution rate");
177	>	} finally {
178	>	joinPool(p);
179	>	}
180		}
181
182		/**
183		* scheduleWithFixedDelay executes series of tasks with given period
184		*/
185		public void testFixedDelaySequence() throws InterruptedException {
186	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
187	<	RunnableCounter counter = new RunnableCounter();
188	<	ScheduledFuture h =
189	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
190	<	Thread.sleep(SMALL_DELAY_MS);
191	<	h.cancel(true);
192	<	int c = counter.count.get();
193	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
194	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
195	<	joinPool(p1);
186	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
187	>	try {
188	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
189	>	long startTime = System.nanoTime();
190	>	int cycles = 10;
191	>	final CountDownLatch done = new CountDownLatch(cycles);
192	>	Runnable task = new CheckedRunnable() {
193	>	public void realRun() { done.countDown(); }};
194	>	ScheduledFuture h =
195	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
196	>	done.await();
197	>	h.cancel(true);
198	>	double normalizedTime =
199	>	(double) millisElapsedSince(startTime) / delay;
200	>	if (normalizedTime >= cycles - 1 &&
201	>	normalizedTime <= cycles)
202	>	return;
203	>	}
204	>	throw new AssertionError("unexpected execution rate");
205	>	} finally {
206	>	joinPool(p);
207	>	}
208		}
209
138	–
210		/**
211	<	*  execute(null) throws NPE
211	>	* execute(null) throws NPE
212		*/
213		public void testExecuteNull() throws InterruptedException {
214		ScheduledThreadPoolExecutor se = null;
#	Line 199 | Line 270 | public class ScheduledExecutorTest exten
270		/**
271		* schedule callable throws RejectedExecutionException if shutdown
272		*/
273	<	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
274	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
275	<	try {
273	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
274	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
275	>	try {
276		se.shutdown();
277		se.schedule(new NoOpCallable(),
278		MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 209 | Line 280 | public class ScheduledExecutorTest exten
280		} catch (RejectedExecutionException success) {
281		} catch (SecurityException ok) {
282		}
283	<	joinPool(se);
283	>	joinPool(se);
284		}
285
286		/**
287	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
287	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
288		*/
289		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
290		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
#	Line 245 | Line 316 | public class ScheduledExecutorTest exten
316		}
317
318		/**
319	<	*  getActiveCount increases but doesn't overestimate, when a
320	<	*  thread becomes active
319	>	* getActiveCount increases but doesn't overestimate, when a
320	>	* thread becomes active
321		*/
322		public void testGetActiveCount() throws InterruptedException {
323	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
324	<	assertEquals(0, p2.getActiveCount());
325	<	p2.execute(new SmallRunnable());
326	<	Thread.sleep(SHORT_DELAY_MS);
327	<	assertEquals(1, p2.getActiveCount());
328	<	joinPool(p2);
323	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
324	>	final CountDownLatch threadStarted = new CountDownLatch(1);
325	>	final CountDownLatch done = new CountDownLatch(1);
326	>	try {
327	>	assertEquals(0, p.getActiveCount());
328	>	p.execute(new CheckedRunnable() {
329	>	public void realRun() throws InterruptedException {
330	>	threadStarted.countDown();
331	>	assertEquals(1, p.getActiveCount());
332	>	done.await();
333	>	}});
334	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
335	>	assertEquals(1, p.getActiveCount());
336	>	} finally {
337	>	done.countDown();
338	>	joinPool(p);
339	>	}
340		}
341
342		/**
343	<	*    getCompletedTaskCount increases, but doesn't overestimate,
344	<	*   when tasks complete
343	>	* getCompletedTaskCount increases, but doesn't overestimate,
344	>	* when tasks complete
345		*/
346		public void testGetCompletedTaskCount() throws InterruptedException {
347	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
348	<	assertEquals(0, p2.getCompletedTaskCount());
349	<	p2.execute(new SmallRunnable());
350	<	Thread.sleep(MEDIUM_DELAY_MS);
351	<	assertEquals(1, p2.getCompletedTaskCount());
352	<	joinPool(p2);
347	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
348	>	final CountDownLatch threadStarted = new CountDownLatch(1);
349	>	final CountDownLatch threadProceed = new CountDownLatch(1);
350	>	final CountDownLatch threadDone = new CountDownLatch(1);
351	>	try {
352	>	assertEquals(0, p.getCompletedTaskCount());
353	>	p.execute(new CheckedRunnable() {
354	>	public void realRun() throws InterruptedException {
355	>	threadStarted.countDown();
356	>	assertEquals(0, p.getCompletedTaskCount());
357	>	threadProceed.await();
358	>	threadDone.countDown();
359	>	}});
360	>	await(threadStarted);
361	>	assertEquals(0, p.getCompletedTaskCount());
362	>	threadProceed.countDown();
363	>	threadDone.await();
364	>	long startTime = System.nanoTime();
365	>	while (p.getCompletedTaskCount() != 1) {
366	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
367	>	fail("timed out");
368	>	Thread.yield();
369	>	}
370	>	} finally {
371	>	joinPool(p);
372	>	}
373		}
374
375		/**
376	<	*  getCorePoolSize returns size given in constructor if not otherwise set
376	>	* getCorePoolSize returns size given in constructor if not otherwise set
377		*/
378		public void testGetCorePoolSize() throws InterruptedException {
379	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
380	<	assertEquals(1, p1.getCorePoolSize());
381	<	joinPool(p1);
379	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
380	>	assertEquals(1, p.getCorePoolSize());
381	>	joinPool(p);
382		}
383
384		/**
385	<	*    getLargestPoolSize increases, but doesn't overestimate, when
386	<	*   multiple threads active
385	>	* getLargestPoolSize increases, but doesn't overestimate, when
386	>	* multiple threads active
387		*/
388		public void testGetLargestPoolSize() throws InterruptedException {
389	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
390	<	assertEquals(0, p2.getLargestPoolSize());
391	<	p2.execute(new SmallRunnable());
392	<	p2.execute(new SmallRunnable());
393	<	Thread.sleep(SHORT_DELAY_MS);
394	<	assertEquals(2, p2.getLargestPoolSize());
395	<	joinPool(p2);
389	>	final int THREADS = 3;
390	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
391	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
392	>	final CountDownLatch done = new CountDownLatch(1);
393	>	try {
394	>	assertEquals(0, p.getLargestPoolSize());
395	>	for (int i = 0; i < THREADS; i++)
396	>	p.execute(new CheckedRunnable() {
397	>	public void realRun() throws InterruptedException {
398	>	threadsStarted.countDown();
399	>	done.await();
400	>	assertEquals(THREADS, p.getLargestPoolSize());
401	>	}});
402	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
403	>	assertEquals(THREADS, p.getLargestPoolSize());
404	>	} finally {
405	>	done.countDown();
406	>	joinPool(p);
407	>	assertEquals(THREADS, p.getLargestPoolSize());
408	>	}
409		}
410
411		/**
412	<	*   getPoolSize increases, but doesn't overestimate, when threads
413	<	*   become active
412	>	* getPoolSize increases, but doesn't overestimate, when threads
413	>	* become active
414		*/
415		public void testGetPoolSize() throws InterruptedException {
416	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
417	<	assertEquals(0, p1.getPoolSize());
418	<	p1.execute(new SmallRunnable());
419	<	assertEquals(1, p1.getPoolSize());
420	<	joinPool(p1);
416	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
417	>	final CountDownLatch threadStarted = new CountDownLatch(1);
418	>	final CountDownLatch done = new CountDownLatch(1);
419	>	try {
420	>	assertEquals(0, p.getPoolSize());
421	>	p.execute(new CheckedRunnable() {
422	>	public void realRun() throws InterruptedException {
423	>	threadStarted.countDown();
424	>	assertEquals(1, p.getPoolSize());
425	>	done.await();
426	>	}});
427	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
428	>	assertEquals(1, p.getPoolSize());
429	>	} finally {
430	>	done.countDown();
431	>	joinPool(p);
432	>	}
433		}
434
435		/**
436	<	*    getTaskCount increases, but doesn't overestimate, when tasks
437	<	*    submitted
436	>	* getTaskCount increases, but doesn't overestimate, when tasks
437	>	* submitted
438		*/
439		public void testGetTaskCount() throws InterruptedException {
440	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
441	<	assertEquals(0, p1.getTaskCount());
442	<	for (int i = 0; i < 5; i++)
443	<	p1.execute(new SmallRunnable());
444	<	Thread.sleep(SHORT_DELAY_MS);
445	<	assertEquals(5, p1.getTaskCount());
446	<	joinPool(p1);
440	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
441	>	final CountDownLatch threadStarted = new CountDownLatch(1);
442	>	final CountDownLatch done = new CountDownLatch(1);
443	>	final int TASKS = 5;
444	>	try {
445	>	assertEquals(0, p.getTaskCount());
446	>	for (int i = 0; i < TASKS; i++)
447	>	p.execute(new CheckedRunnable() {
448	>	public void realRun() throws InterruptedException {
449	>	threadStarted.countDown();
450	>	done.await();
451	>	}});
452	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
453	>	assertEquals(TASKS, p.getTaskCount());
454	>	} finally {
455	>	done.countDown();
456	>	joinPool(p);
457	>	}
458		}
459
460		/**
#	Line 355 | Line 493 | public class ScheduledExecutorTest exten
493		}
494
495		/**
496	<	*   is isShutDown is false before shutdown, true after
496	>	* isShutdown is false before shutdown, true after
497		*/
498		public void testIsShutdown() {
499
500	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
500	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501		try {
502	<	assertFalse(p1.isShutdown());
502	>	assertFalse(p.isShutdown());
503		}
504		finally {
505	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
505	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
506		}
507	<	assertTrue(p1.isShutdown());
507	>	assertTrue(p.isShutdown());
508		}
509
372	–
510		/**
511	<	*   isTerminated is false before termination, true after
511	>	* isTerminated is false before termination, true after
512		*/
513		public void testIsTerminated() throws InterruptedException {
514	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
514	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515	>	final CountDownLatch threadStarted = new CountDownLatch(1);
516	>	final CountDownLatch done = new CountDownLatch(1);
517	>	assertFalse(p.isTerminated());
518		try {
519	<	p1.execute(new SmallRunnable());
519	>	p.execute(new CheckedRunnable() {
520	>	public void realRun() throws InterruptedException {
521	>	assertFalse(p.isTerminated());
522	>	threadStarted.countDown();
523	>	done.await();
524	>	}});
525	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
526	>	assertFalse(p.isTerminating());
527	>	done.countDown();
528		} finally {
529	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530		}
531	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
532	<	assertTrue(p1.isTerminated());
531	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
532	>	assertTrue(p.isTerminated());
533		}
534
535		/**
536	<	*  isTerminating is not true when running or when terminated
536	>	* isTerminating is not true when running or when terminated
537		*/
538		public void testIsTerminating() throws InterruptedException {
539	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
540	<	assertFalse(p1.isTerminating());
541	<	try {
542	<	p1.execute(new SmallRunnable());
543	<	assertFalse(p1.isTerminating());
544	<	} finally {
545	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
546	<	}
547	<
548	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
549	<	assertTrue(p1.isTerminated());
550	<	assertFalse(p1.isTerminating());
539	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
540	>	final CountDownLatch threadStarted = new CountDownLatch(1);
541	>	final CountDownLatch done = new CountDownLatch(1);
542	>	try {
543	>	assertFalse(p.isTerminating());
544	>	p.execute(new CheckedRunnable() {
545	>	public void realRun() throws InterruptedException {
546	>	assertFalse(p.isTerminating());
547	>	threadStarted.countDown();
548	>	done.await();
549	>	}});
550	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551	>	assertFalse(p.isTerminating());
552	>	done.countDown();
553	>	} finally {
554	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
555	>	}
556	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
557	>	assertTrue(p.isTerminated());
558	>	assertFalse(p.isTerminating());
559		}
560
561		/**
562		* getQueue returns the work queue, which contains queued tasks
563		*/
564		public void testGetQueue() throws InterruptedException {
565	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
566	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
567	<	for (int i = 0; i < 5; i++) {
412	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
413	<	}
565	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
566	>	final CountDownLatch threadStarted = new CountDownLatch(1);
567	>	final CountDownLatch done = new CountDownLatch(1);
568		try {
569	<	Thread.sleep(SHORT_DELAY_MS);
570	<	BlockingQueue<Runnable> q = p1.getQueue();
571	<	assertTrue(q.contains(tasks[4]));
569	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	Runnable r = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
577	>	}
578	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
579	>	BlockingQueue<Runnable> q = p.getQueue();
580	>	assertTrue(q.contains(tasks[tasks.length - 1]));
581		assertFalse(q.contains(tasks[0]));
582		} finally {
583	<	joinPool(p1);
583	>	done.countDown();
584	>	joinPool(p);
585		}
586		}
587
#	Line 425 | Line 589 | public class ScheduledExecutorTest exten
589		* remove(task) removes queued task, and fails to remove active task
590		*/
591		public void testRemove() throws InterruptedException {
592	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
592	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593		ScheduledFuture[] tasks = new ScheduledFuture[5];
594	<	for (int i = 0; i < 5; i++) {
595	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
432	<	}
594	>	final CountDownLatch threadStarted = new CountDownLatch(1);
595	>	final CountDownLatch done = new CountDownLatch(1);
596		try {
597	<	Thread.sleep(SHORT_DELAY_MS);
598	<	BlockingQueue<Runnable> q = p1.getQueue();
599	<	assertFalse(p1.remove((Runnable)tasks[0]));
597	>	for (int i = 0; i < tasks.length; i++) {
598	>	Runnable r = new CheckedRunnable() {
599	>	public void realRun() throws InterruptedException {
600	>	threadStarted.countDown();
601	>	done.await();
602	>	}};
603	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
604	>	}
605	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
606	>	BlockingQueue<Runnable> q = p.getQueue();
607	>	assertFalse(p.remove((Runnable)tasks[0]));
608		assertTrue(q.contains((Runnable)tasks[4]));
609		assertTrue(q.contains((Runnable)tasks[3]));
610	<	assertTrue(p1.remove((Runnable)tasks[4]));
611	<	assertFalse(p1.remove((Runnable)tasks[4]));
610	>	assertTrue(p.remove((Runnable)tasks[4]));
611	>	assertFalse(p.remove((Runnable)tasks[4]));
612		assertFalse(q.contains((Runnable)tasks[4]));
613		assertTrue(q.contains((Runnable)tasks[3]));
614	<	assertTrue(p1.remove((Runnable)tasks[3]));
614	>	assertTrue(p.remove((Runnable)tasks[3]));
615		assertFalse(q.contains((Runnable)tasks[3]));
616		} finally {
617	<	joinPool(p1);
617	>	done.countDown();
618	>	joinPool(p);
619		}
620		}
621
622		/**
623	<	*  purge removes cancelled tasks from the queue
623	>	* purge eventually removes cancelled tasks from the queue
624		*/
625		public void testPurge() throws InterruptedException {
626	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
626	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
627		ScheduledFuture[] tasks = new ScheduledFuture[5];
628	<	for (int i = 0; i < 5; i++) {
629	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
630	<	}
628	>	for (int i = 0; i < tasks.length; i++)
629	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
630	>	LONG_DELAY_MS, MILLISECONDS);
631		try {
632	<	int max = 5;
632	>	int max = tasks.length;
633		if (tasks[4].cancel(true)) --max;
634		if (tasks[3].cancel(true)) --max;
635		// There must eventually be an interference-free point at
636		// which purge will not fail. (At worst, when queue is empty.)
637	<	int k;
638	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
639	<	p1.purge();
640	<	long count = p1.getTaskCount();
641	<	if (count >= 0 && count <= max)
642	<	break;
643	<	Thread.sleep(1);
644	<	}
473	<	assertTrue(k < SMALL_DELAY_MS);
637	>	long startTime = System.nanoTime();
638	>	do {
639	>	p.purge();
640	>	long count = p.getTaskCount();
641	>	if (count == max)
642	>	return;
643	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
644	>	fail("Purge failed to remove cancelled tasks");
645		} finally {
646	<	joinPool(p1);
646	>	for (ScheduledFuture task : tasks)
647	>	task.cancel(true);
648	>	joinPool(p);
649		}
650		}
651
652		/**
653	<	*  shutDownNow returns a list containing tasks that were not run
653	>	* shutdownNow returns a list containing tasks that were not run
654		*/
655	<	public void testShutDownNow() throws InterruptedException {
656	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
655	>	public void testShutdownNow() {
656	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
657		for (int i = 0; i < 5; i++)
658	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
659	<	List l;
658	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
659	>	LONG_DELAY_MS, MILLISECONDS);
660		try {
661	<	l = p1.shutdownNow();
661	>	List<Runnable> l = p.shutdownNow();
662	>	assertTrue(p.isShutdown());
663	>	assertEquals(5, l.size());
664		} catch (SecurityException ok) {
665	<	return;
665	>	// Allowed in case test doesn't have privs
666	>	} finally {
667	>	joinPool(p);
668		}
492	–	assertTrue(p1.isShutdown());
493	–	assertTrue(l.size() > 0 && l.size() <= 5);
494	–	joinPool(p1);
669		}
670
671		/**
672		* In default setting, shutdown cancels periodic but not delayed
673		* tasks at shutdown
674		*/
675	<	public void testShutDown1() throws InterruptedException {
676	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
677	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
678	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
675	>	public void testShutdown1() throws InterruptedException {
676	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
677	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
678	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
679
680		ScheduledFuture[] tasks = new ScheduledFuture[5];
681	<	for (int i = 0; i < 5; i++)
682	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
683	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
684	<	BlockingQueue q = p1.getQueue();
685	<	for (Iterator it = q.iterator(); it.hasNext();) {
686	<	ScheduledFuture t = (ScheduledFuture)it.next();
687	<	assertFalse(t.isCancelled());
688	<	}
689	<	assertTrue(p1.isShutdown());
690	<	Thread.sleep(SMALL_DELAY_MS);
691	<	for (int i = 0; i < 5; ++i) {
692	<	assertTrue(tasks[i].isDone());
693	<	assertFalse(tasks[i].isCancelled());
681	>	for (int i = 0; i < tasks.length; i++)
682	>	tasks[i] = p.schedule(new NoOpRunnable(),
683	>	SHORT_DELAY_MS, MILLISECONDS);
684	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
685	>	BlockingQueue<Runnable> q = p.getQueue();
686	>	for (ScheduledFuture task : tasks) {
687	>	assertFalse(task.isDone());
688	>	assertFalse(task.isCancelled());
689	>	assertTrue(q.contains(task));
690	>	}
691	>	assertTrue(p.isShutdown());
692	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
693	>	assertTrue(p.isTerminated());
694	>	for (ScheduledFuture task : tasks) {
695	>	assertTrue(task.isDone());
696	>	assertFalse(task.isCancelled());
697		}
698		}
699
523	–
700		/**
701		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
702		* delayed tasks are cancelled at shutdown
703		*/
704	<	public void testShutDown2() throws InterruptedException {
705	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
706	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
704	>	public void testShutdown2() throws InterruptedException {
705	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
706	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
707	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
708	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
709		ScheduledFuture[] tasks = new ScheduledFuture[5];
710	<	for (int i = 0; i < 5; i++)
711	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
712	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
713	<	assertTrue(p1.isShutdown());
714	<	BlockingQueue q = p1.getQueue();
710	>	for (int i = 0; i < tasks.length; i++)
711	>	tasks[i] = p.schedule(new NoOpRunnable(),
712	>	SHORT_DELAY_MS, MILLISECONDS);
713	>	BlockingQueue q = p.getQueue();
714	>	assertEquals(tasks.length, q.size());
715	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
716	>	assertTrue(p.isShutdown());
717		assertTrue(q.isEmpty());
718	<	Thread.sleep(SMALL_DELAY_MS);
719	<	assertTrue(p1.isTerminated());
718	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
719	>	assertTrue(p.isTerminated());
720	>	for (ScheduledFuture task : tasks) {
721	>	assertTrue(task.isDone());
722	>	assertTrue(task.isCancelled());
723	>	}
724		}
725
542	–
726		/**
727		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
728	<	* periodic tasks are not cancelled at shutdown
728	>	* periodic tasks are cancelled at shutdown
729		*/
730	<	public void testShutDown3() throws InterruptedException {
731	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
732	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
730	>	public void testShutdown3() throws InterruptedException {
731	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
732	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
733	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
734	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
735	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	>	long initialDelay = LONG_DELAY_MS;
738		ScheduledFuture task =
739	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
740	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
741	<	assertTrue(p1.isShutdown());
742	<	BlockingQueue q = p1.getQueue();
743	<	assertTrue(q.isEmpty());
744	<	Thread.sleep(SHORT_DELAY_MS);
745	<	assertTrue(p1.isTerminated());
739	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
740	>	5, MILLISECONDS);
741	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
742	>	assertTrue(p.isShutdown());
743	>	assertTrue(p.getQueue().isEmpty());
744	>	assertTrue(task.isDone());
745	>	assertTrue(task.isCancelled());
746	>	joinPool(p);
747		}
748
749		/**
750		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
751	<	* periodic tasks are cancelled at shutdown
751	>	* periodic tasks are not cancelled at shutdown
752		*/
753	<	public void testShutDown4() throws InterruptedException {
754	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
753	>	public void testShutdown4() throws InterruptedException {
754	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
755	>	final CountDownLatch counter = new CountDownLatch(2);
756		try {
757	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
757	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
758	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
759	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
760	>	final Runnable r = new CheckedRunnable() {
761	>	public void realRun() {
762	>	counter.countDown();
763	>	}};
764		ScheduledFuture task =
765	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
765	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
766	>	assertFalse(task.isDone());
767		assertFalse(task.isCancelled());
768	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
768	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
769		assertFalse(task.isCancelled());
770	<	assertFalse(p1.isTerminated());
771	<	assertTrue(p1.isShutdown());
772	<	Thread.sleep(SHORT_DELAY_MS);
770	>	assertFalse(p.isTerminated());
771	>	assertTrue(p.isShutdown());
772	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
773		assertFalse(task.isCancelled());
774	<	assertTrue(task.cancel(true));
774	>	assertTrue(task.cancel(false));
775		assertTrue(task.isDone());
776	<	Thread.sleep(SHORT_DELAY_MS);
777	<	assertTrue(p1.isTerminated());
776	>	assertTrue(task.isCancelled());
777	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
778	>	assertTrue(p.isTerminated());
779		}
780		finally {
781	<	joinPool(p1);
781	>	joinPool(p);
782		}
783		}
784
#	Line 994 | Line 1192 | public class ScheduledExecutorTest exten
1192		l.add(new StringTask());
1193		List<Future<String>> futures =
1194		e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1195	<	assertEquals(3, futures.size());
1196	<	Iterator<Future<String>> it = futures.iterator();
1197	<	Future<String> f1 = it.next();
1198	<	Future<String> f2 = it.next();
1199	<	Future<String> f3 = it.next();
1002	<	assertTrue(f1.isDone());
1003	<	assertTrue(f2.isDone());
1004	<	assertTrue(f3.isDone());
1005	<	assertFalse(f1.isCancelled());
1006	<	assertTrue(f2.isCancelled());
1195	>	assertEquals(l.size(), futures.size());
1196	>	for (Future future : futures)
1197	>	assertTrue(future.isDone());
1198	>	assertFalse(futures.get(0).isCancelled());
1199	>	assertTrue(futures.get(1).isCancelled());
1200		} finally {
1201		joinPool(e);
1202		}
1203		}
1204
1012	–
1205		}

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