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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.14 by jsr166, Sat Oct 9 19:30:35 2010 UTC vs.
Revision 1.38 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		*/
6
7	–	import junit.framework.*;
8	–	import java.util.*;
9	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.util.concurrent.atomic.*;
8	>	import static java.util.concurrent.TimeUnit.SECONDS;
9	>
10	>	import java.util.ArrayList;
11	>	import java.util.HashSet;
12	>	import java.util.List;
13	>	import java.util.concurrent.BlockingQueue;
14	>	import java.util.concurrent.Callable;
15	>	import java.util.concurrent.CancellationException;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.Delayed;
18	>	import java.util.concurrent.ExecutionException;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.Future;
22	>	import java.util.concurrent.RejectedExecutionException;
23	>	import java.util.concurrent.RejectedExecutionHandler;
24	>	import java.util.concurrent.RunnableScheduledFuture;
25	>	import java.util.concurrent.ScheduledFuture;
26	>	import java.util.concurrent.ScheduledThreadPoolExecutor;
27	>	import java.util.concurrent.ThreadFactory;
28	>	import java.util.concurrent.ThreadPoolExecutor;
29	>	import java.util.concurrent.TimeoutException;
30	>	import java.util.concurrent.TimeUnit;
31	>	import java.util.concurrent.atomic.AtomicInteger;
32	>
33	>	import junit.framework.Test;
34	>	import junit.framework.TestSuite;
35
36		public class ScheduledExecutorSubclassTest extends JSR166TestCase {
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run(suite());
38	>	main(suite(), args);
39		}
40		public static Test suite() {
41		return new TestSuite(ScheduledExecutorSubclassTest.class);
#	Line 36 | Line 59 | public class ScheduledExecutorSubclassTe
59		}
60		public boolean isCancelled() { return task.isCancelled(); }
61		public boolean isDone() { return task.isDone(); }
62	<	public V get() throws InterruptedException,  ExecutionException {
62	>	public V get() throws InterruptedException, ExecutionException {
63		V v = task.get();
64		assertTrue(ran);
65		return v;
66		}
67	<	public V get(long time, TimeUnit unit) throws InterruptedException,  ExecutionException, TimeoutException {
67	>	public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
68		V v = task.get(time, unit);
69		assertTrue(ran);
70		return v;
71		}
72		}
73
51	–
74		public class CustomExecutor extends ScheduledThreadPoolExecutor {
75
76		protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) {
#	Line 58 | Line 80 | public class ScheduledExecutorSubclassTe
80		protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
81		return new CustomTask<V>(task);
82		}
83	<	CustomExecutor(int corePoolSize) { super(corePoolSize);}
83	>	CustomExecutor(int corePoolSize) { super(corePoolSize); }
84		CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
85		super(corePoolSize, handler);
86		}
#	Line 73 | Line 95 | public class ScheduledExecutorSubclassTe
95
96		}
97
76	–
98		/**
99		* execute successfully executes a runnable
100		*/
101		public void testExecute() throws InterruptedException {
102	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
103	<	CustomExecutor p1 = new CustomExecutor(1);
104	<	p1.execute(runnable);
105	<	assertFalse(runnable.done);
106	<	Thread.sleep(SHORT_DELAY_MS);
107	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
108	<	Thread.sleep(MEDIUM_DELAY_MS);
109	<	assertTrue(runnable.done);
110	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
111	<	joinPool(p1);
102	>	CustomExecutor p = new CustomExecutor(1);
103	>	final CountDownLatch done = new CountDownLatch(1);
104	>	final Runnable task = new CheckedRunnable() {
105	>	public void realRun() {
106	>	done.countDown();
107	>	}};
108	>	try {
109	>	p.execute(task);
110	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
111	>	} finally {
112	>	joinPool(p);
113	>	}
114		}
115
93	–
116		/**
117		* delayed schedule of callable successfully executes after delay
118		*/
119		public void testSchedule1() throws Exception {
120	<	TrackedCallable callable = new TrackedCallable();
121	<	CustomExecutor p1 = new CustomExecutor(1);
122	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
123	<	assertFalse(callable.done);
124	<	Thread.sleep(MEDIUM_DELAY_MS);
125	<	assertTrue(callable.done);
126	<	assertEquals(Boolean.TRUE, f.get());
127	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
128	<	joinPool(p1);
120	>	CustomExecutor p = new CustomExecutor(1);
121	>	final long startTime = System.nanoTime();
122	>	final CountDownLatch done = new CountDownLatch(1);
123	>	try {
124	>	Callable task = new CheckedCallable<Boolean>() {
125	>	public Boolean realCall() {
126	>	done.countDown();
127	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
128	>	return Boolean.TRUE;
129	>	}};
130	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
131	>	assertSame(Boolean.TRUE, f.get());
132	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
133	>	assertTrue(done.await(0L, MILLISECONDS));
134	>	} finally {
135	>	joinPool(p);
136	>	}
137		}
138
139		/**
140		* delayed schedule of runnable successfully executes after delay
141		*/
142	<	public void testSchedule3() throws InterruptedException {
143	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
144	<	CustomExecutor p1 = new CustomExecutor(1);
145	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
146	<	Thread.sleep(SHORT_DELAY_MS);
147	<	assertFalse(runnable.done);
148	<	Thread.sleep(MEDIUM_DELAY_MS);
149	<	assertTrue(runnable.done);
150	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
151	<	joinPool(p1);
142	>	public void testSchedule3() throws Exception {
143	>	CustomExecutor p = new CustomExecutor(1);
144	>	final long startTime = System.nanoTime();
145	>	final CountDownLatch done = new CountDownLatch(1);
146	>	try {
147	>	Runnable task = new CheckedRunnable() {
148	>	public void realRun() {
149	>	done.countDown();
150	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
151	>	}};
152	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
153	>	await(done);
154	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
155	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
156	>	} finally {
157	>	joinPool(p);
158	>	}
159		}
160
161		/**
162		* scheduleAtFixedRate executes runnable after given initial delay
163		*/
164		public void testSchedule4() throws InterruptedException {
165	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
166	<	CustomExecutor p1 = new CustomExecutor(1);
167	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
168	<	assertFalse(runnable.done);
169	<	Thread.sleep(MEDIUM_DELAY_MS);
170	<	assertTrue(runnable.done);
171	<	h.cancel(true);
172	<	joinPool(p1);
173	<	}
174	<
175	<	static class RunnableCounter implements Runnable {
176	<	AtomicInteger count = new AtomicInteger(0);
177	<	public void run() { count.getAndIncrement(); }
165	>	CustomExecutor p = new CustomExecutor(1);
166	>	final long startTime = System.nanoTime();
167	>	final CountDownLatch done = new CountDownLatch(1);
168	>	try {
169	>	Runnable task = new CheckedRunnable() {
170	>	public void realRun() {
171	>	done.countDown();
172	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
173	>	}};
174	>	ScheduledFuture f =
175	>	p.scheduleAtFixedRate(task, timeoutMillis(),
176	>	LONG_DELAY_MS, MILLISECONDS);
177	>	await(done);
178	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
179	>	f.cancel(true);
180	>	} finally {
181	>	joinPool(p);
182	>	}
183		}
184
185		/**
186		* scheduleWithFixedDelay executes runnable after given initial delay
187		*/
188		public void testSchedule5() throws InterruptedException {
189	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
190	<	CustomExecutor p1 = new CustomExecutor(1);
191	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
192	<	assertFalse(runnable.done);
193	<	Thread.sleep(MEDIUM_DELAY_MS);
194	<	assertTrue(runnable.done);
195	<	h.cancel(true);
196	<	joinPool(p1);
189	>	CustomExecutor p = new CustomExecutor(1);
190	>	final long startTime = System.nanoTime();
191	>	final CountDownLatch done = new CountDownLatch(1);
192	>	try {
193	>	Runnable task = new CheckedRunnable() {
194	>	public void realRun() {
195	>	done.countDown();
196	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
197	>	}};
198	>	ScheduledFuture f =
199	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
200	>	LONG_DELAY_MS, MILLISECONDS);
201	>	await(done);
202	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
203	>	f.cancel(true);
204	>	} finally {
205	>	joinPool(p);
206	>	}
207	>	}
208	>
209	>	static class RunnableCounter implements Runnable {
210	>	AtomicInteger count = new AtomicInteger(0);
211	>	public void run() { count.getAndIncrement(); }
212		}
213
214		/**
215		* scheduleAtFixedRate executes series of tasks at given rate
216		*/
217		public void testFixedRateSequence() throws InterruptedException {
218	<	CustomExecutor p1 = new CustomExecutor(1);
219	<	RunnableCounter counter = new RunnableCounter();
220	<	ScheduledFuture h =
221	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
222	<	Thread.sleep(SMALL_DELAY_MS);
223	<	h.cancel(true);
224	<	int c = counter.count.get();
225	<	// By time scaling conventions, we must have at least
226	<	// an execution per SHORT delay, but no more than one SHORT more
227	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
228	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
229	<	joinPool(p1);
218	>	CustomExecutor p = new CustomExecutor(1);
219	>	try {
220	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
221	>	long startTime = System.nanoTime();
222	>	int cycles = 10;
223	>	final CountDownLatch done = new CountDownLatch(cycles);
224	>	Runnable task = new CheckedRunnable() {
225	>	public void realRun() { done.countDown(); }};
226	>	ScheduledFuture h =
227	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
228	>	done.await();
229	>	h.cancel(true);
230	>	double normalizedTime =
231	>	(double) millisElapsedSince(startTime) / delay;
232	>	if (normalizedTime >= cycles - 1 &&
233	>	normalizedTime <= cycles)
234	>	return;
235	>	}
236	>	throw new AssertionError("unexpected execution rate");
237	>	} finally {
238	>	joinPool(p);
239	>	}
240		}
241
242		/**
243		* scheduleWithFixedDelay executes series of tasks with given period
244		*/
245		public void testFixedDelaySequence() throws InterruptedException {
246	<	CustomExecutor p1 = new CustomExecutor(1);
247	<	RunnableCounter counter = new RunnableCounter();
248	<	ScheduledFuture h =
249	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
250	<	Thread.sleep(SMALL_DELAY_MS);
251	<	h.cancel(true);
252	<	int c = counter.count.get();
253	<	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
254	<	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
255	<	joinPool(p1);
246	>	CustomExecutor p = new CustomExecutor(1);
247	>	try {
248	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
249	>	long startTime = System.nanoTime();
250	>	int cycles = 10;
251	>	final CountDownLatch done = new CountDownLatch(cycles);
252	>	Runnable task = new CheckedRunnable() {
253	>	public void realRun() { done.countDown(); }};
254	>	ScheduledFuture h =
255	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
256	>	done.await();
257	>	h.cancel(true);
258	>	double normalizedTime =
259	>	(double) millisElapsedSince(startTime) / delay;
260	>	if (normalizedTime >= cycles - 1 &&
261	>	normalizedTime <= cycles)
262	>	return;
263	>	}
264	>	throw new AssertionError("unexpected execution rate");
265	>	} finally {
266	>	joinPool(p);
267	>	}
268		}
269
191	–
270		/**
271		* execute(null) throws NPE
272		*/
#	Line 250 | Line 328 | public class ScheduledExecutorSubclassTe
328		/**
329		* schedule callable throws RejectedExecutionException if shutdown
330		*/
331	<	public void testSchedule3_RejectedExecutionException() {
332	<	CustomExecutor se = new CustomExecutor(1);
333	<	try {
334	<	se.shutdown();
335	<	se.schedule(new NoOpCallable(),
336	<	MEDIUM_DELAY_MS, MILLISECONDS);
337	<	shouldThrow();
338	<	} catch (RejectedExecutionException success) {
339	<	} catch (SecurityException ok) {
340	<	}
341	<	joinPool(se);
331	>	public void testSchedule3_RejectedExecutionException() {
332	>	CustomExecutor se = new CustomExecutor(1);
333	>	try {
334	>	se.shutdown();
335	>	se.schedule(new NoOpCallable(),
336	>	MEDIUM_DELAY_MS, MILLISECONDS);
337	>	shouldThrow();
338	>	} catch (RejectedExecutionException success) {
339	>	} catch (SecurityException ok) {
340	>	}
341	>	joinPool(se);
342		}
343
344		/**
#	Line 300 | Line 378 | public class ScheduledExecutorSubclassTe
378		* thread becomes active
379		*/
380		public void testGetActiveCount() throws InterruptedException {
381	<	CustomExecutor p2 = new CustomExecutor(2);
382	<	assertEquals(0, p2.getActiveCount());
383	<	p2.execute(new SmallRunnable());
384	<	Thread.sleep(SHORT_DELAY_MS);
385	<	assertEquals(1, p2.getActiveCount());
386	<	joinPool(p2);
381	>	final ThreadPoolExecutor p = new CustomExecutor(2);
382	>	final CountDownLatch threadStarted = new CountDownLatch(1);
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	try {
385	>	assertEquals(0, p.getActiveCount());
386	>	p.execute(new CheckedRunnable() {
387	>	public void realRun() throws InterruptedException {
388	>	threadStarted.countDown();
389	>	assertEquals(1, p.getActiveCount());
390	>	done.await();
391	>	}});
392	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
393	>	assertEquals(1, p.getActiveCount());
394	>	} finally {
395	>	done.countDown();
396	>	joinPool(p);
397	>	}
398		}
399
400		/**
#	Line 313 | Line 402 | public class ScheduledExecutorSubclassTe
402		* when tasks complete
403		*/
404		public void testGetCompletedTaskCount() throws InterruptedException {
405	<	CustomExecutor p2 = new CustomExecutor(2);
406	<	assertEquals(0, p2.getCompletedTaskCount());
407	<	p2.execute(new SmallRunnable());
408	<	Thread.sleep(MEDIUM_DELAY_MS);
409	<	assertEquals(1, p2.getCompletedTaskCount());
410	<	joinPool(p2);
405	>	final ThreadPoolExecutor p = new CustomExecutor(2);
406	>	final CountDownLatch threadStarted = new CountDownLatch(1);
407	>	final CountDownLatch threadProceed = new CountDownLatch(1);
408	>	final CountDownLatch threadDone = new CountDownLatch(1);
409	>	try {
410	>	assertEquals(0, p.getCompletedTaskCount());
411	>	p.execute(new CheckedRunnable() {
412	>	public void realRun() throws InterruptedException {
413	>	threadStarted.countDown();
414	>	assertEquals(0, p.getCompletedTaskCount());
415	>	threadProceed.await();
416	>	threadDone.countDown();
417	>	}});
418	>	await(threadStarted);
419	>	assertEquals(0, p.getCompletedTaskCount());
420	>	threadProceed.countDown();
421	>	threadDone.await();
422	>	long startTime = System.nanoTime();
423	>	while (p.getCompletedTaskCount() != 1) {
424	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
425	>	fail("timed out");
426	>	Thread.yield();
427	>	}
428	>	} finally {
429	>	joinPool(p);
430	>	}
431		}
432
433		/**
434		* getCorePoolSize returns size given in constructor if not otherwise set
435		*/
436		public void testGetCorePoolSize() {
437	<	CustomExecutor p1 = new CustomExecutor(1);
438	<	assertEquals(1, p1.getCorePoolSize());
439	<	joinPool(p1);
437	>	CustomExecutor p = new CustomExecutor(1);
438	>	assertEquals(1, p.getCorePoolSize());
439	>	joinPool(p);
440		}
441
442		/**
#	Line 335 | Line 444 | public class ScheduledExecutorSubclassTe
444		* multiple threads active
445		*/
446		public void testGetLargestPoolSize() throws InterruptedException {
447	<	CustomExecutor p2 = new CustomExecutor(2);
448	<	assertEquals(0, p2.getLargestPoolSize());
449	<	p2.execute(new SmallRunnable());
450	<	p2.execute(new SmallRunnable());
451	<	Thread.sleep(SHORT_DELAY_MS);
452	<	assertEquals(2, p2.getLargestPoolSize());
453	<	joinPool(p2);
447	>	final int THREADS = 3;
448	>	final ThreadPoolExecutor p = new CustomExecutor(THREADS);
449	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
450	>	final CountDownLatch done = new CountDownLatch(1);
451	>	try {
452	>	assertEquals(0, p.getLargestPoolSize());
453	>	for (int i = 0; i < THREADS; i++)
454	>	p.execute(new CheckedRunnable() {
455	>	public void realRun() throws InterruptedException {
456	>	threadsStarted.countDown();
457	>	done.await();
458	>	assertEquals(THREADS, p.getLargestPoolSize());
459	>	}});
460	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
461	>	assertEquals(THREADS, p.getLargestPoolSize());
462	>	} finally {
463	>	done.countDown();
464	>	joinPool(p);
465	>	assertEquals(THREADS, p.getLargestPoolSize());
466	>	}
467		}
468
469		/**
470		* getPoolSize increases, but doesn't overestimate, when threads
471		* become active
472		*/
473	<	public void testGetPoolSize() {
474	<	CustomExecutor p1 = new CustomExecutor(1);
475	<	assertEquals(0, p1.getPoolSize());
476	<	p1.execute(new SmallRunnable());
477	<	assertEquals(1, p1.getPoolSize());
478	<	joinPool(p1);
473	>	public void testGetPoolSize() throws InterruptedException {
474	>	final ThreadPoolExecutor p = new CustomExecutor(1);
475	>	final CountDownLatch threadStarted = new CountDownLatch(1);
476	>	final CountDownLatch done = new CountDownLatch(1);
477	>	try {
478	>	assertEquals(0, p.getPoolSize());
479	>	p.execute(new CheckedRunnable() {
480	>	public void realRun() throws InterruptedException {
481	>	threadStarted.countDown();
482	>	assertEquals(1, p.getPoolSize());
483	>	done.await();
484	>	}});
485	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
486	>	assertEquals(1, p.getPoolSize());
487	>	} finally {
488	>	done.countDown();
489	>	joinPool(p);
490	>	}
491		}
492
493		/**
#	Line 361 | Line 495 | public class ScheduledExecutorSubclassTe
495		* submitted
496		*/
497		public void testGetTaskCount() throws InterruptedException {
498	<	CustomExecutor p1 = new CustomExecutor(1);
499	<	assertEquals(0, p1.getTaskCount());
500	<	for (int i = 0; i < 5; i++)
501	<	p1.execute(new SmallRunnable());
502	<	Thread.sleep(SHORT_DELAY_MS);
503	<	assertEquals(5, p1.getTaskCount());
504	<	joinPool(p1);
498	>	final ThreadPoolExecutor p = new CustomExecutor(1);
499	>	final CountDownLatch threadStarted = new CountDownLatch(1);
500	>	final CountDownLatch done = new CountDownLatch(1);
501	>	final int TASKS = 5;
502	>	try {
503	>	assertEquals(0, p.getTaskCount());
504	>	for (int i = 0; i < TASKS; i++)
505	>	p.execute(new CheckedRunnable() {
506	>	public void realRun() throws InterruptedException {
507	>	threadStarted.countDown();
508	>	done.await();
509	>	}});
510	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
511	>	assertEquals(TASKS, p.getTaskCount());
512	>	} finally {
513	>	done.countDown();
514	>	joinPool(p);
515	>	}
516		}
517
518		/**
#	Line 406 | Line 551 | public class ScheduledExecutorSubclassTe
551		}
552
553		/**
554	<	* isShutDown is false before shutdown, true after
554	>	* isShutdown is false before shutdown, true after
555		*/
556		public void testIsShutdown() {
557	<	CustomExecutor p1 = new CustomExecutor(1);
557	>	CustomExecutor p = new CustomExecutor(1);
558		try {
559	<	assertFalse(p1.isShutdown());
559	>	assertFalse(p.isShutdown());
560		}
561		finally {
562	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
562	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
563		}
564	<	assertTrue(p1.isShutdown());
564	>	assertTrue(p.isShutdown());
565		}
566
422	–
567		/**
568		* isTerminated is false before termination, true after
569		*/
570		public void testIsTerminated() throws InterruptedException {
571	<	CustomExecutor p1 = new CustomExecutor(1);
572	<	try {
573	<	p1.execute(new SmallRunnable());
571	>	final ThreadPoolExecutor p = new CustomExecutor(1);
572	>	final CountDownLatch threadStarted = new CountDownLatch(1);
573	>	final CountDownLatch done = new CountDownLatch(1);
574	>	assertFalse(p.isTerminated());
575	>	try {
576	>	p.execute(new CheckedRunnable() {
577	>	public void realRun() throws InterruptedException {
578	>	assertFalse(p.isTerminated());
579	>	threadStarted.countDown();
580	>	done.await();
581	>	}});
582	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
583	>	assertFalse(p.isTerminating());
584	>	done.countDown();
585		} finally {
586	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
586	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
587		}
588	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
589	<	assertTrue(p1.isTerminated());
588	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
589	>	assertTrue(p.isTerminated());
590		}
591
592		/**
593		* isTerminating is not true when running or when terminated
594		*/
595		public void testIsTerminating() throws InterruptedException {
596	<	CustomExecutor p1 = new CustomExecutor(1);
597	<	assertFalse(p1.isTerminating());
598	<	try {
599	<	p1.execute(new SmallRunnable());
600	<	assertFalse(p1.isTerminating());
601	<	} finally {
602	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
603	<	}
604	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
605	<	assertTrue(p1.isTerminated());
606	<	assertFalse(p1.isTerminating());
596	>	final ThreadPoolExecutor p = new CustomExecutor(1);
597	>	final CountDownLatch threadStarted = new CountDownLatch(1);
598	>	final CountDownLatch done = new CountDownLatch(1);
599	>	try {
600	>	assertFalse(p.isTerminating());
601	>	p.execute(new CheckedRunnable() {
602	>	public void realRun() throws InterruptedException {
603	>	assertFalse(p.isTerminating());
604	>	threadStarted.countDown();
605	>	done.await();
606	>	}});
607	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608	>	assertFalse(p.isTerminating());
609	>	done.countDown();
610	>	} finally {
611	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
612	>	}
613	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
614	>	assertTrue(p.isTerminated());
615	>	assertFalse(p.isTerminating());
616		}
617
618		/**
619		* getQueue returns the work queue, which contains queued tasks
620		*/
621		public void testGetQueue() throws InterruptedException {
622	<	CustomExecutor p1 = new CustomExecutor(1);
623	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
624	<	for (int i = 0; i < 5; i++) {
625	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
626	<	}
627	<	try {
628	<	Thread.sleep(SHORT_DELAY_MS);
629	<	BlockingQueue<Runnable> q = p1.getQueue();
630	<	assertTrue(q.contains(tasks[4]));
622	>	ScheduledThreadPoolExecutor p = new CustomExecutor(1);
623	>	final CountDownLatch threadStarted = new CountDownLatch(1);
624	>	final CountDownLatch done = new CountDownLatch(1);
625	>	try {
626	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
627	>	for (int i = 0; i < tasks.length; i++) {
628	>	Runnable r = new CheckedRunnable() {
629	>	public void realRun() throws InterruptedException {
630	>	threadStarted.countDown();
631	>	done.await();
632	>	}};
633	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
634	>	}
635	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
636	>	BlockingQueue<Runnable> q = p.getQueue();
637	>	assertTrue(q.contains(tasks[tasks.length - 1]));
638		assertFalse(q.contains(tasks[0]));
639		} finally {
640	<	joinPool(p1);
640	>	done.countDown();
641	>	joinPool(p);
642		}
643		}
644
#	Line 474 | Line 646 | public class ScheduledExecutorSubclassTe
646		* remove(task) removes queued task, and fails to remove active task
647		*/
648		public void testRemove() throws InterruptedException {
649	<	CustomExecutor p1 = new CustomExecutor(1);
649	>	final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
650		ScheduledFuture[] tasks = new ScheduledFuture[5];
651	<	for (int i = 0; i < 5; i++) {
652	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
481	<	}
651	>	final CountDownLatch threadStarted = new CountDownLatch(1);
652	>	final CountDownLatch done = new CountDownLatch(1);
653		try {
654	<	Thread.sleep(SHORT_DELAY_MS);
655	<	BlockingQueue<Runnable> q = p1.getQueue();
656	<	assertFalse(p1.remove((Runnable)tasks[0]));
654	>	for (int i = 0; i < tasks.length; i++) {
655	>	Runnable r = new CheckedRunnable() {
656	>	public void realRun() throws InterruptedException {
657	>	threadStarted.countDown();
658	>	done.await();
659	>	}};
660	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
661	>	}
662	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
663	>	BlockingQueue<Runnable> q = p.getQueue();
664	>	assertFalse(p.remove((Runnable)tasks[0]));
665		assertTrue(q.contains((Runnable)tasks[4]));
666		assertTrue(q.contains((Runnable)tasks[3]));
667	<	assertTrue(p1.remove((Runnable)tasks[4]));
668	<	assertFalse(p1.remove((Runnable)tasks[4]));
667	>	assertTrue(p.remove((Runnable)tasks[4]));
668	>	assertFalse(p.remove((Runnable)tasks[4]));
669		assertFalse(q.contains((Runnable)tasks[4]));
670		assertTrue(q.contains((Runnable)tasks[3]));
671	<	assertTrue(p1.remove((Runnable)tasks[3]));
671	>	assertTrue(p.remove((Runnable)tasks[3]));
672		assertFalse(q.contains((Runnable)tasks[3]));
673		} finally {
674	<	joinPool(p1);
674	>	done.countDown();
675	>	joinPool(p);
676		}
677		}
678
#	Line 500 | Line 680 | public class ScheduledExecutorSubclassTe
680		* purge removes cancelled tasks from the queue
681		*/
682		public void testPurge() throws InterruptedException {
683	<	CustomExecutor p1 = new CustomExecutor(1);
683	>	CustomExecutor p = new CustomExecutor(1);
684		ScheduledFuture[] tasks = new ScheduledFuture[5];
685	<	for (int i = 0; i < 5; i++) {
686	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
687	<	}
685	>	for (int i = 0; i < tasks.length; i++)
686	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
687	>	LONG_DELAY_MS, MILLISECONDS);
688		try {
689	<	int max = 5;
689	>	int max = tasks.length;
690		if (tasks[4].cancel(true)) --max;
691		if (tasks[3].cancel(true)) --max;
692		// There must eventually be an interference-free point at
693		// which purge will not fail. (At worst, when queue is empty.)
694	<	int k;
695	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
696	<	p1.purge();
697	<	long count = p1.getTaskCount();
698	<	if (count >= 0 && count <= max)
699	<	break;
700	<	Thread.sleep(1);
701	<	}
522	<	assertTrue(k < SMALL_DELAY_MS);
694	>	long startTime = System.nanoTime();
695	>	do {
696	>	p.purge();
697	>	long count = p.getTaskCount();
698	>	if (count == max)
699	>	return;
700	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
701	>	fail("Purge failed to remove cancelled tasks");
702		} finally {
703	<	joinPool(p1);
703	>	for (ScheduledFuture task : tasks)
704	>	task.cancel(true);
705	>	joinPool(p);
706		}
707		}
708
709		/**
710	<	* shutDownNow returns a list containing tasks that were not run
710	>	* shutdownNow returns a list containing tasks that were not run,
711	>	* and those tasks are drained from the queue
712		*/
713	<	public void testShutDownNow() {
714	<	CustomExecutor p1 = new CustomExecutor(1);
715	<	for (int i = 0; i < 5; i++)
716	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
717	<	List l;
713	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
714	>	CustomExecutor p = new CustomExecutor(1);
715	>	List<ScheduledFuture> tasks = new ArrayList<>();
716	>	for (int i = 0; i < 3; i++) {
717	>	Runnable r = new NoOpRunnable();
718	>	tasks.add(p.schedule(r, 9, SECONDS));
719	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
720	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
721	>	}
722	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
723	>	final List<Runnable> queuedTasks;
724		try {
725	<	l = p1.shutdownNow();
725	>	queuedTasks = p.shutdownNow();
726		} catch (SecurityException ok) {
727	<	return;
727	>	return; // Allowed in case test doesn't have privs
728	>	}
729	>	assertTrue(p.isShutdown());
730	>	assertTrue(p.getQueue().isEmpty());
731	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
732	>	assertEquals(tasks.size(), queuedTasks.size());
733	>	for (ScheduledFuture task : tasks) {
734	>	assertFalse(((CustomTask)task).ran);
735	>	assertFalse(task.isDone());
736	>	assertFalse(task.isCancelled());
737		}
738	<	assertTrue(p1.isShutdown());
739	<	assertTrue(l.size() > 0 && l.size() <= 5);
543	<	joinPool(p1);
738	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
739	>	assertTrue(p.isTerminated());
740		}
741
742		/**
743		* In default setting, shutdown cancels periodic but not delayed
744		* tasks at shutdown
745		*/
746	<	public void testShutDown1() throws InterruptedException {
747	<	CustomExecutor p1 = new CustomExecutor(1);
748	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
749	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
746	>	public void testShutdown1() throws InterruptedException {
747	>	CustomExecutor p = new CustomExecutor(1);
748	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
749	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
750
751		ScheduledFuture[] tasks = new ScheduledFuture[5];
752	<	for (int i = 0; i < 5; i++)
753	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
754	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
755	<	BlockingQueue q = p1.getQueue();
756	<	for (Iterator it = q.iterator(); it.hasNext();) {
757	<	ScheduledFuture t = (ScheduledFuture)it.next();
758	<	assertFalse(t.isCancelled());
759	<	}
760	<	assertTrue(p1.isShutdown());
761	<	Thread.sleep(SMALL_DELAY_MS);
762	<	for (int i = 0; i < 5; ++i) {
763	<	assertTrue(tasks[i].isDone());
764	<	assertFalse(tasks[i].isCancelled());
752	>	for (int i = 0; i < tasks.length; i++)
753	>	tasks[i] = p.schedule(new NoOpRunnable(),
754	>	SHORT_DELAY_MS, MILLISECONDS);
755	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
756	>	BlockingQueue<Runnable> q = p.getQueue();
757	>	for (ScheduledFuture task : tasks) {
758	>	assertFalse(task.isDone());
759	>	assertFalse(task.isCancelled());
760	>	assertTrue(q.contains(task));
761	>	}
762	>	assertTrue(p.isShutdown());
763	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
764	>	assertTrue(p.isTerminated());
765	>	for (ScheduledFuture task : tasks) {
766	>	assertTrue(task.isDone());
767	>	assertFalse(task.isCancelled());
768		}
769		}
770
572	–
771		/**
772		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
773		* delayed tasks are cancelled at shutdown
774		*/
775	<	public void testShutDown2() throws InterruptedException {
776	<	CustomExecutor p1 = new CustomExecutor(1);
777	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
775	>	public void testShutdown2() throws InterruptedException {
776	>	CustomExecutor p = new CustomExecutor(1);
777	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
778	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
779	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
780		ScheduledFuture[] tasks = new ScheduledFuture[5];
781	<	for (int i = 0; i < 5; i++)
782	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
783	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
784	<	assertTrue(p1.isShutdown());
785	<	BlockingQueue q = p1.getQueue();
781	>	for (int i = 0; i < tasks.length; i++)
782	>	tasks[i] = p.schedule(new NoOpRunnable(),
783	>	SHORT_DELAY_MS, MILLISECONDS);
784	>	BlockingQueue q = p.getQueue();
785	>	assertEquals(tasks.length, q.size());
786	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
787	>	assertTrue(p.isShutdown());
788		assertTrue(q.isEmpty());
789	<	Thread.sleep(SMALL_DELAY_MS);
790	<	assertTrue(p1.isTerminated());
789	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
790	>	assertTrue(p.isTerminated());
791	>	for (ScheduledFuture task : tasks) {
792	>	assertTrue(task.isDone());
793	>	assertTrue(task.isCancelled());
794	>	}
795		}
796
591	–
797		/**
798		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
799	<	* periodic tasks are not cancelled at shutdown
799	>	* periodic tasks are cancelled at shutdown
800		*/
801	<	public void testShutDown3() throws InterruptedException {
802	<	CustomExecutor p1 = new CustomExecutor(1);
803	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
801	>	public void testShutdown3() throws InterruptedException {
802	>	CustomExecutor p = new CustomExecutor(1);
803	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
804	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
805	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
806	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
807	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
808	>	long initialDelay = LONG_DELAY_MS;
809		ScheduledFuture task =
810	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
811	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
812	<	assertTrue(p1.isShutdown());
813	<	BlockingQueue q = p1.getQueue();
814	<	assertTrue(q.isEmpty());
815	<	Thread.sleep(SHORT_DELAY_MS);
816	<	assertTrue(p1.isTerminated());
810	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
811	>	5, MILLISECONDS);
812	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
813	>	assertTrue(p.isShutdown());
814	>	assertTrue(p.getQueue().isEmpty());
815	>	assertTrue(task.isDone());
816	>	assertTrue(task.isCancelled());
817	>	joinPool(p);
818		}
819
820		/**
821		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
822	<	* periodic tasks are cancelled at shutdown
822	>	* periodic tasks are not cancelled at shutdown
823		*/
824	<	public void testShutDown4() throws InterruptedException {
825	<	CustomExecutor p1 = new CustomExecutor(1);
824	>	public void testShutdown4() throws InterruptedException {
825	>	CustomExecutor p = new CustomExecutor(1);
826	>	final CountDownLatch counter = new CountDownLatch(2);
827		try {
828	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
828	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
829	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
830	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
831	>	final Runnable r = new CheckedRunnable() {
832	>	public void realRun() {
833	>	counter.countDown();
834	>	}};
835		ScheduledFuture task =
836	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
836	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
837	>	assertFalse(task.isDone());
838		assertFalse(task.isCancelled());
839	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
839	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
840		assertFalse(task.isCancelled());
841	<	assertFalse(p1.isTerminated());
842	<	assertTrue(p1.isShutdown());
843	<	Thread.sleep(SHORT_DELAY_MS);
841	>	assertFalse(p.isTerminated());
842	>	assertTrue(p.isShutdown());
843	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
844		assertFalse(task.isCancelled());
845	<	assertTrue(task.cancel(true));
845	>	assertTrue(task.cancel(false));
846		assertTrue(task.isDone());
847	<	Thread.sleep(SHORT_DELAY_MS);
848	<	assertTrue(p1.isTerminated());
847	>	assertTrue(task.isCancelled());
848	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
849	>	assertTrue(p.isTerminated());
850		}
851		finally {
852	<	joinPool(p1);
852	>	joinPool(p);
853		}
854		}
855
#	Line 1037 | Line 1257 | public class ScheduledExecutorSubclassTe
1257		public void testTimedInvokeAll6() throws Exception {
1258		ExecutorService e = new CustomExecutor(2);
1259		try {
1260	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1261	<	l.add(new StringTask());
1262	<	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1263	<	l.add(new StringTask());
1264	<	List<Future<String>> futures =
1265	<	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1266	<	assertEquals(3, futures.size());
1267	<	Iterator<Future<String>> it = futures.iterator();
1268	<	Future<String> f1 = it.next();
1269	<	Future<String> f2 = it.next();
1270	<	Future<String> f3 = it.next();
1271	<	assertTrue(f1.isDone());
1272	<	assertTrue(f2.isDone());
1273	<	assertTrue(f3.isDone());
1274	<	assertFalse(f1.isCancelled());
1275	<	assertTrue(f2.isCancelled());
1260	>	for (long timeout = timeoutMillis();;) {
1261	>	List<Callable<String>> tasks = new ArrayList<>();
1262	>	tasks.add(new StringTask("0"));
1263	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1264	>	tasks.add(new StringTask("2"));
1265	>	long startTime = System.nanoTime();
1266	>	List<Future<String>> futures =
1267	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1268	>	assertEquals(tasks.size(), futures.size());
1269	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1270	>	for (Future future : futures)
1271	>	assertTrue(future.isDone());
1272	>	assertTrue(futures.get(1).isCancelled());
1273	>	try {
1274	>	assertEquals("0", futures.get(0).get());
1275	>	assertEquals("2", futures.get(2).get());
1276	>	break;
1277	>	} catch (CancellationException retryWithLongerTimeout) {
1278	>	timeout *= 2;
1279	>	if (timeout >= LONG_DELAY_MS / 2)
1280	>	fail("expected exactly one task to be cancelled");
1281	>	}
1282	>	}
1283		} finally {
1284		joinPool(e);
1285		}

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