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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 1.43 by jsr166, Fri May 27 19:48:58 2011 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		*/
#	Line 20 | Line 20 | public class ScheduledExecutorTest exten
20		return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23	–
23		/**
24		* execute successfully executes a runnable
25		*/
26		public void testExecute() throws InterruptedException {
27	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
28	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
29	<	p1.execute(runnable);
30	<	assertFalse(runnable.done);
31	<	Thread.sleep(SHORT_DELAY_MS);
32	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
33	<	Thread.sleep(MEDIUM_DELAY_MS);
34	<	assertTrue(runnable.done);
35	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
36	<	joinPool(p1);
27	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
28	>	final CountDownLatch done = new CountDownLatch(1);
29	>	final Runnable task = new CheckedRunnable() {
30	>	public void realRun() {
31	>	done.countDown();
32	>	}};
33	>	try {
34	>	p.execute(task);
35	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	>	} finally {
37	>	joinPool(p);
38	>	}
39		}
40
40	–
41		/**
42		* delayed schedule of callable successfully executes after delay
43		*/
44		public void testSchedule1() throws Exception {
45	<	TrackedCallable callable = new TrackedCallable();
46	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
47	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
48	<	assertFalse(callable.done);
49	<	Thread.sleep(MEDIUM_DELAY_MS);
50	<	assertTrue(callable.done);
51	<	assertEquals(Boolean.TRUE, f.get());
52	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
53	<	joinPool(p1);
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final long t0 = System.nanoTime();
47	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
48	>	final CountDownLatch done = new CountDownLatch(1);
49	>	try {
50	>	Callable task = new CheckedCallable<Boolean>() {
51	>	public Boolean realCall() {
52	>	done.countDown();
53	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
54	>	return Boolean.TRUE;
55	>	}};
56	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
57	>	assertEquals(Boolean.TRUE, f.get());
58	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
59	>	assertTrue(done.await(0L, MILLISECONDS));
60	>	} finally {
61	>	joinPool(p);
62	>	}
63		}
64
65		/**
66	<	*  delayed schedule of runnable successfully executes after delay
67	<	*/
68	<	public void testSchedule3() throws InterruptedException {
69	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
70	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
71	<	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
72	<	Thread.sleep(SHORT_DELAY_MS);
73	<	assertFalse(runnable.done);
74	<	Thread.sleep(MEDIUM_DELAY_MS);
75	<	assertTrue(runnable.done);
76	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
77	<	joinPool(p1);
66	>	* delayed schedule of runnable successfully executes after delay
67	>	*/
68	>	public void testSchedule3() throws Exception {
69	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
70	>	final long t0 = System.nanoTime();
71	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
72	>	final CountDownLatch done = new CountDownLatch(1);
73	>	try {
74	>	Runnable task = new CheckedRunnable() {
75	>	public void realRun() {
76	>	done.countDown();
77	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
78	>	}};
79	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
80	>	assertNull(f.get());
81	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
82	>	assertTrue(done.await(0L, MILLISECONDS));
83	>	} finally {
84	>	joinPool(p);
85	>	}
86		}
87
88		/**
89		* scheduleAtFixedRate executes runnable after given initial delay
90		*/
91	<	public void testSchedule4() throws InterruptedException {
92	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
93	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
94	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
95	<	assertFalse(runnable.done);
96	<	Thread.sleep(MEDIUM_DELAY_MS);
97	<	assertTrue(runnable.done);
98	<	h.cancel(true);
99	<	joinPool(p1);
100	<	}
101	<
102	<	static class RunnableCounter implements Runnable {
103	<	AtomicInteger count = new AtomicInteger(0);
104	<	public void run() { count.getAndIncrement(); }
91	>	public void testSchedule4() throws Exception {
92	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
93	>	final long t0 = System.nanoTime();
94	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
95	>	final CountDownLatch done = new CountDownLatch(1);
96	>	try {
97	>	Runnable task = new CheckedRunnable() {
98	>	public void realRun() {
99	>	done.countDown();
100	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
101	>	}};
102	>	ScheduledFuture f =
103	>	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
104	>	SHORT_DELAY_MS, MILLISECONDS);
105	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
106	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
107	>	f.cancel(true);
108	>	} finally {
109	>	joinPool(p);
110	>	}
111		}
112
113		/**
114		* scheduleWithFixedDelay executes runnable after given initial delay
115		*/
116		public void testSchedule5() throws InterruptedException {
117	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
118	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
119	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
120	<	assertFalse(runnable.done);
121	<	Thread.sleep(MEDIUM_DELAY_MS);
122	<	assertTrue(runnable.done);
123	<	h.cancel(true);
124	<	joinPool(p1);
117	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
118	>	final long t0 = System.nanoTime();
119	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
120	>	final CountDownLatch done = new CountDownLatch(1);
121	>	try {
122	>	Runnable task = new CheckedRunnable() {
123	>	public void realRun() {
124	>	done.countDown();
125	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
126	>	}};
127	>	ScheduledFuture f =
128	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
129	>	SHORT_DELAY_MS, MILLISECONDS);
130	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
131	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
132	>	f.cancel(true);
133	>	} finally {
134	>	joinPool(p);
135	>	}
136	>	}
137	>
138	>	static class RunnableCounter implements Runnable {
139	>	AtomicInteger count = new AtomicInteger(0);
140	>	public void run() { count.getAndIncrement(); }
141		}
142
143		/**
144		* scheduleAtFixedRate executes series of tasks at given rate
145		*/
146		public void testFixedRateSequence() throws InterruptedException {
147	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
147	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
148		RunnableCounter counter = new RunnableCounter();
149		ScheduledFuture h =
150	<	p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
151	<	Thread.sleep(SMALL_DELAY_MS);
150	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
151	>	delay(SMALL_DELAY_MS);
152		h.cancel(true);
153		int c = counter.count.get();
154		// By time scaling conventions, we must have at least
155		// an execution per SHORT delay, but no more than one SHORT more
156		assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
157		assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
158	<	joinPool(p1);
158	>	joinPool(p);
159		}
160
161		/**
162		* scheduleWithFixedDelay executes series of tasks with given period
163		*/
164		public void testFixedDelaySequence() throws InterruptedException {
165	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
165	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
166		RunnableCounter counter = new RunnableCounter();
167		ScheduledFuture h =
168	<	p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
169	<	Thread.sleep(SMALL_DELAY_MS);
168	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
169	>	delay(SMALL_DELAY_MS);
170		h.cancel(true);
171		int c = counter.count.get();
172		assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
173		assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
174	<	joinPool(p1);
174	>	joinPool(p);
175		}
176
138	–
177		/**
178	<	*  execute(null) throws NPE
178	>	* execute(null) throws NPE
179		*/
180		public void testExecuteNull() throws InterruptedException {
181		ScheduledThreadPoolExecutor se = null;
#	Line 199 | Line 237 | public class ScheduledExecutorTest exten
237		/**
238		* schedule callable throws RejectedExecutionException if shutdown
239		*/
240	<	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
241	<	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
242	<	try {
240	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
241	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
242	>	try {
243		se.shutdown();
244		se.schedule(new NoOpCallable(),
245		MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 209 | Line 247 | public class ScheduledExecutorTest exten
247		} catch (RejectedExecutionException success) {
248		} catch (SecurityException ok) {
249		}
250	<	joinPool(se);
250	>	joinPool(se);
251		}
252
253		/**
254	<	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
254	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
255		*/
256		public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
257		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
#	Line 245 | Line 283 | public class ScheduledExecutorTest exten
283		}
284
285		/**
286	<	*  getActiveCount increases but doesn't overestimate, when a
287	<	*  thread becomes active
286	>	* getActiveCount increases but doesn't overestimate, when a
287	>	* thread becomes active
288		*/
289		public void testGetActiveCount() throws InterruptedException {
290	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
291	<	assertEquals(0, p2.getActiveCount());
292	<	p2.execute(new SmallRunnable());
293	<	Thread.sleep(SHORT_DELAY_MS);
294	<	assertEquals(1, p2.getActiveCount());
295	<	joinPool(p2);
290	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
291	>	final CountDownLatch threadStarted = new CountDownLatch(1);
292	>	final CountDownLatch done = new CountDownLatch(1);
293	>	try {
294	>	assertEquals(0, p.getActiveCount());
295	>	p.execute(new CheckedRunnable() {
296	>	public void realRun() throws InterruptedException {
297	>	threadStarted.countDown();
298	>	assertEquals(1, p.getActiveCount());
299	>	done.await();
300	>	}});
301	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
302	>	assertEquals(1, p.getActiveCount());
303	>	} finally {
304	>	done.countDown();
305	>	joinPool(p);
306	>	}
307		}
308
309		/**
310	<	*    getCompletedTaskCount increases, but doesn't overestimate,
311	<	*   when tasks complete
310	>	* getCompletedTaskCount increases, but doesn't overestimate,
311	>	* when tasks complete
312		*/
313		public void testGetCompletedTaskCount() throws InterruptedException {
314	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
315	<	assertEquals(0, p2.getCompletedTaskCount());
316	<	p2.execute(new SmallRunnable());
317	<	Thread.sleep(MEDIUM_DELAY_MS);
318	<	assertEquals(1, p2.getCompletedTaskCount());
319	<	joinPool(p2);
314	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
315	>	final CountDownLatch threadStarted = new CountDownLatch(1);
316	>	final CountDownLatch threadProceed = new CountDownLatch(1);
317	>	final CountDownLatch threadDone = new CountDownLatch(1);
318	>	try {
319	>	assertEquals(0, p.getCompletedTaskCount());
320	>	p.execute(new CheckedRunnable() {
321	>	public void realRun() throws InterruptedException {
322	>	threadStarted.countDown();
323	>	assertEquals(0, p.getCompletedTaskCount());
324	>	threadProceed.await();
325	>	threadDone.countDown();
326	>	}});
327	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
328	>	assertEquals(0, p.getCompletedTaskCount());
329	>	threadProceed.countDown();
330	>	threadDone.await();
331	>	delay(SHORT_DELAY_MS);
332	>	assertEquals(1, p.getCompletedTaskCount());
333	>	} finally {
334	>	joinPool(p);
335	>	}
336		}
337
338		/**
339	<	*  getCorePoolSize returns size given in constructor if not otherwise set
339	>	* getCorePoolSize returns size given in constructor if not otherwise set
340		*/
341		public void testGetCorePoolSize() throws InterruptedException {
342	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
343	<	assertEquals(1, p1.getCorePoolSize());
344	<	joinPool(p1);
342	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
343	>	assertEquals(1, p.getCorePoolSize());
344	>	joinPool(p);
345		}
346
347		/**
348	<	*    getLargestPoolSize increases, but doesn't overestimate, when
349	<	*   multiple threads active
348	>	* getLargestPoolSize increases, but doesn't overestimate, when
349	>	* multiple threads active
350		*/
351		public void testGetLargestPoolSize() throws InterruptedException {
352	<	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
353	<	assertEquals(0, p2.getLargestPoolSize());
354	<	p2.execute(new SmallRunnable());
355	<	p2.execute(new SmallRunnable());
356	<	Thread.sleep(SHORT_DELAY_MS);
357	<	assertEquals(2, p2.getLargestPoolSize());
358	<	joinPool(p2);
352	>	final int THREADS = 3;
353	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
354	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
355	>	final CountDownLatch done = new CountDownLatch(1);
356	>	try {
357	>	assertEquals(0, p.getLargestPoolSize());
358	>	for (int i = 0; i < THREADS; i++)
359	>	p.execute(new CheckedRunnable() {
360	>	public void realRun() throws InterruptedException {
361	>	threadsStarted.countDown();
362	>	done.await();
363	>	assertEquals(THREADS, p.getLargestPoolSize());
364	>	}});
365	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	} finally {
368	>	done.countDown();
369	>	joinPool(p);
370	>	assertEquals(THREADS, p.getLargestPoolSize());
371	>	}
372		}
373
374		/**
375	<	*   getPoolSize increases, but doesn't overestimate, when threads
376	<	*   become active
375	>	* getPoolSize increases, but doesn't overestimate, when threads
376	>	* become active
377		*/
378		public void testGetPoolSize() throws InterruptedException {
379	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
380	<	assertEquals(0, p1.getPoolSize());
381	<	p1.execute(new SmallRunnable());
382	<	assertEquals(1, p1.getPoolSize());
383	<	joinPool(p1);
379	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
380	>	final CountDownLatch threadStarted = new CountDownLatch(1);
381	>	final CountDownLatch done = new CountDownLatch(1);
382	>	try {
383	>	assertEquals(0, p.getPoolSize());
384	>	p.execute(new CheckedRunnable() {
385	>	public void realRun() throws InterruptedException {
386	>	threadStarted.countDown();
387	>	assertEquals(1, p.getPoolSize());
388	>	done.await();
389	>	}});
390	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
391	>	assertEquals(1, p.getPoolSize());
392	>	} finally {
393	>	done.countDown();
394	>	joinPool(p);
395	>	}
396		}
397
398		/**
399	<	*    getTaskCount increases, but doesn't overestimate, when tasks
400	<	*    submitted
399	>	* getTaskCount increases, but doesn't overestimate, when tasks
400	>	* submitted
401		*/
402		public void testGetTaskCount() throws InterruptedException {
403	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
404	<	assertEquals(0, p1.getTaskCount());
405	<	for (int i = 0; i < 5; i++)
406	<	p1.execute(new SmallRunnable());
407	<	Thread.sleep(SHORT_DELAY_MS);
408	<	assertEquals(5, p1.getTaskCount());
409	<	joinPool(p1);
403	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	>	final CountDownLatch threadStarted = new CountDownLatch(1);
405	>	final CountDownLatch done = new CountDownLatch(1);
406	>	final int TASKS = 5;
407	>	try {
408	>	assertEquals(0, p.getTaskCount());
409	>	for (int i = 0; i < TASKS; i++)
410	>	p.execute(new CheckedRunnable() {
411	>	public void realRun() throws InterruptedException {
412	>	threadStarted.countDown();
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
416	>	assertEquals(TASKS, p.getTaskCount());
417	>	} finally {
418	>	done.countDown();
419	>	joinPool(p);
420	>	}
421		}
422
423		/**
#	Line 355 | Line 456 | public class ScheduledExecutorTest exten
456		}
457
458		/**
459	<	*   is isShutDown is false before shutdown, true after
459	>	* isShutdown is false before shutdown, true after
460		*/
461		public void testIsShutdown() {
462
463	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
463	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464		try {
465	<	assertFalse(p1.isShutdown());
465	>	assertFalse(p.isShutdown());
466		}
467		finally {
468	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
468	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
469		}
470	<	assertTrue(p1.isShutdown());
470	>	assertTrue(p.isShutdown());
471		}
472
372	–
473		/**
474	<	*   isTerminated is false before termination, true after
474	>	* isTerminated is false before termination, true after
475		*/
476		public void testIsTerminated() throws InterruptedException {
477	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
477	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478	>	final CountDownLatch threadStarted = new CountDownLatch(1);
479	>	final CountDownLatch done = new CountDownLatch(1);
480	>	assertFalse(p.isTerminated());
481		try {
482	<	p1.execute(new SmallRunnable());
482	>	p.execute(new CheckedRunnable() {
483	>	public void realRun() throws InterruptedException {
484	>	assertFalse(p.isTerminated());
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
489	>	assertFalse(p.isTerminating());
490	>	done.countDown();
491		} finally {
492	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493		}
494	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	<	assertTrue(p1.isTerminated());
494	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	>	assertTrue(p.isTerminated());
496		}
497
498		/**
499	<	*  isTerminating is not true when running or when terminated
499	>	* isTerminating is not true when running or when terminated
500		*/
501		public void testIsTerminating() throws InterruptedException {
502	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
503	<	assertFalse(p1.isTerminating());
504	<	try {
505	<	p1.execute(new SmallRunnable());
506	<	assertFalse(p1.isTerminating());
507	<	} finally {
508	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
509	<	}
510	<
511	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
512	<	assertTrue(p1.isTerminated());
513	<	assertFalse(p1.isTerminating());
502	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
503	>	final CountDownLatch threadStarted = new CountDownLatch(1);
504	>	final CountDownLatch done = new CountDownLatch(1);
505	>	try {
506	>	assertFalse(p.isTerminating());
507	>	p.execute(new CheckedRunnable() {
508	>	public void realRun() throws InterruptedException {
509	>	assertFalse(p.isTerminating());
510	>	threadStarted.countDown();
511	>	done.await();
512	>	}});
513	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
514	>	assertFalse(p.isTerminating());
515	>	done.countDown();
516	>	} finally {
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518	>	}
519	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	>	assertTrue(p.isTerminated());
521	>	assertFalse(p.isTerminating());
522		}
523
524		/**
525		* getQueue returns the work queue, which contains queued tasks
526		*/
527		public void testGetQueue() throws InterruptedException {
528	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
529	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
530	<	for (int i = 0; i < 5; i++) {
412	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
413	<	}
528	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	>	final CountDownLatch threadStarted = new CountDownLatch(1);
530	>	final CountDownLatch done = new CountDownLatch(1);
531		try {
532	<	Thread.sleep(SHORT_DELAY_MS);
533	<	BlockingQueue<Runnable> q = p1.getQueue();
534	<	assertTrue(q.contains(tasks[4]));
532	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	>	for (int i = 0; i < tasks.length; i++) {
534	>	Runnable r = new CheckedRunnable() {
535	>	public void realRun() throws InterruptedException {
536	>	threadStarted.countDown();
537	>	done.await();
538	>	}};
539	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
540	>	}
541	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
542	>	BlockingQueue<Runnable> q = p.getQueue();
543	>	assertTrue(q.contains(tasks[tasks.length - 1]));
544		assertFalse(q.contains(tasks[0]));
545		} finally {
546	<	joinPool(p1);
546	>	done.countDown();
547	>	joinPool(p);
548		}
549		}
550
#	Line 425 | Line 552 | public class ScheduledExecutorTest exten
552		* remove(task) removes queued task, and fails to remove active task
553		*/
554		public void testRemove() throws InterruptedException {
555	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
555	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
556		ScheduledFuture[] tasks = new ScheduledFuture[5];
557	<	for (int i = 0; i < 5; i++) {
558	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
432	<	}
557	>	final CountDownLatch threadStarted = new CountDownLatch(1);
558	>	final CountDownLatch done = new CountDownLatch(1);
559		try {
560	<	Thread.sleep(SHORT_DELAY_MS);
561	<	BlockingQueue<Runnable> q = p1.getQueue();
562	<	assertFalse(p1.remove((Runnable)tasks[0]));
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	Runnable r = new CheckedRunnable() {
562	>	public void realRun() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	done.await();
565	>	}};
566	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
567	>	}
568	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569	>	BlockingQueue<Runnable> q = p.getQueue();
570	>	assertFalse(p.remove((Runnable)tasks[0]));
571		assertTrue(q.contains((Runnable)tasks[4]));
572		assertTrue(q.contains((Runnable)tasks[3]));
573	<	assertTrue(p1.remove((Runnable)tasks[4]));
574	<	assertFalse(p1.remove((Runnable)tasks[4]));
573	>	assertTrue(p.remove((Runnable)tasks[4]));
574	>	assertFalse(p.remove((Runnable)tasks[4]));
575		assertFalse(q.contains((Runnable)tasks[4]));
576		assertTrue(q.contains((Runnable)tasks[3]));
577	<	assertTrue(p1.remove((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[3]));
578		assertFalse(q.contains((Runnable)tasks[3]));
579		} finally {
580	<	joinPool(p1);
580	>	done.countDown();
581	>	joinPool(p);
582		}
583		}
584
585		/**
586	<	*  purge removes cancelled tasks from the queue
586	>	* purge eventually removes cancelled tasks from the queue
587		*/
588		public void testPurge() throws InterruptedException {
589	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
589	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
590		ScheduledFuture[] tasks = new ScheduledFuture[5];
591	<	for (int i = 0; i < 5; i++) {
592	<	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
593	<	}
591	>	for (int i = 0; i < tasks.length; i++)
592	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
593	>	LONG_DELAY_MS, MILLISECONDS);
594		try {
595	<	int max = 5;
595	>	int max = tasks.length;
596		if (tasks[4].cancel(true)) --max;
597		if (tasks[3].cancel(true)) --max;
598		// There must eventually be an interference-free point at
599		// which purge will not fail. (At worst, when queue is empty.)
600	<	int k;
601	<	for (k = 0; k < SMALL_DELAY_MS; ++k) {
602	<	p1.purge();
603	<	long count = p1.getTaskCount();
604	<	if (count >= 0 && count <= max)
605	<	break;
606	<	Thread.sleep(1);
607	<	}
473	<	assertTrue(k < SMALL_DELAY_MS);
600	>	long startTime = System.nanoTime();
601	>	do {
602	>	p.purge();
603	>	long count = p.getTaskCount();
604	>	if (count == max)
605	>	return;
606	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
607	>	fail("Purge failed to remove cancelled tasks");
608		} finally {
609	<	joinPool(p1);
609	>	for (ScheduledFuture task : tasks)
610	>	task.cancel(true);
611	>	joinPool(p);
612		}
613		}
614
615		/**
616	<	*  shutDownNow returns a list containing tasks that were not run
616	>	* shutdownNow returns a list containing tasks that were not run
617		*/
618	<	public void testShutDownNow() throws InterruptedException {
619	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
618	>	public void testShutdownNow() {
619	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
620		for (int i = 0; i < 5; i++)
621	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
622	<	List l;
621	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
622	>	LONG_DELAY_MS, MILLISECONDS);
623		try {
624	<	l = p1.shutdownNow();
624	>	List<Runnable> l = p.shutdownNow();
625	>	assertTrue(p.isShutdown());
626	>	assertEquals(5, l.size());
627		} catch (SecurityException ok) {
628	<	return;
628	>	// Allowed in case test doesn't have privs
629	>	} finally {
630	>	joinPool(p);
631		}
492	–	assertTrue(p1.isShutdown());
493	–	assertTrue(l.size() > 0 && l.size() <= 5);
494	–	joinPool(p1);
632		}
633
634		/**
635		* In default setting, shutdown cancels periodic but not delayed
636		* tasks at shutdown
637		*/
638	<	public void testShutDown1() throws InterruptedException {
639	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
640	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
641	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
638	>	public void testShutdown1() throws InterruptedException {
639	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
640	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
641	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
642
643		ScheduledFuture[] tasks = new ScheduledFuture[5];
644	<	for (int i = 0; i < 5; i++)
645	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
646	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
647	<	BlockingQueue q = p1.getQueue();
648	<	for (Iterator it = q.iterator(); it.hasNext();) {
649	<	ScheduledFuture t = (ScheduledFuture)it.next();
650	<	assertFalse(t.isCancelled());
651	<	}
652	<	assertTrue(p1.isShutdown());
653	<	Thread.sleep(SMALL_DELAY_MS);
654	<	for (int i = 0; i < 5; ++i) {
655	<	assertTrue(tasks[i].isDone());
656	<	assertFalse(tasks[i].isCancelled());
644	>	for (int i = 0; i < tasks.length; i++)
645	>	tasks[i] = p.schedule(new NoOpRunnable(),
646	>	SHORT_DELAY_MS, MILLISECONDS);
647	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
648	>	BlockingQueue<Runnable> q = p.getQueue();
649	>	for (ScheduledFuture task : tasks) {
650	>	assertFalse(task.isDone());
651	>	assertFalse(task.isCancelled());
652	>	assertTrue(q.contains(task));
653	>	}
654	>	assertTrue(p.isShutdown());
655	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
656	>	assertTrue(p.isTerminated());
657	>	for (ScheduledFuture task : tasks) {
658	>	assertTrue(task.isDone());
659	>	assertFalse(task.isCancelled());
660		}
661		}
662
523	–
663		/**
664		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
665		* delayed tasks are cancelled at shutdown
666		*/
667	<	public void testShutDown2() throws InterruptedException {
668	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
669	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
667	>	public void testShutdown2() throws InterruptedException {
668	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
669	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
670	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
671	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
672		ScheduledFuture[] tasks = new ScheduledFuture[5];
673	<	for (int i = 0; i < 5; i++)
674	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
675	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
676	<	assertTrue(p1.isShutdown());
677	<	BlockingQueue q = p1.getQueue();
673	>	for (int i = 0; i < tasks.length; i++)
674	>	tasks[i] = p.schedule(new NoOpRunnable(),
675	>	SHORT_DELAY_MS, MILLISECONDS);
676	>	BlockingQueue q = p.getQueue();
677	>	assertEquals(tasks.length, q.size());
678	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
679	>	assertTrue(p.isShutdown());
680		assertTrue(q.isEmpty());
681	<	Thread.sleep(SMALL_DELAY_MS);
682	<	assertTrue(p1.isTerminated());
681	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
682	>	assertTrue(p.isTerminated());
683	>	for (ScheduledFuture task : tasks) {
684	>	assertTrue(task.isDone());
685	>	assertTrue(task.isCancelled());
686	>	}
687		}
688
542	–
689		/**
690		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
691	<	* periodic tasks are not cancelled at shutdown
691	>	* periodic tasks are cancelled at shutdown
692		*/
693	<	public void testShutDown3() throws InterruptedException {
694	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
695	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
693	>	public void testShutdown3() throws InterruptedException {
694	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
695	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
696	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
697	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
698	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
699	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
700	>	long initialDelay = LONG_DELAY_MS;
701		ScheduledFuture task =
702	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
703	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
704	<	assertTrue(p1.isShutdown());
705	<	BlockingQueue q = p1.getQueue();
706	<	assertTrue(q.isEmpty());
707	<	Thread.sleep(SHORT_DELAY_MS);
708	<	assertTrue(p1.isTerminated());
702	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
703	>	5, MILLISECONDS);
704	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
705	>	assertTrue(p.isShutdown());
706	>	assertTrue(p.getQueue().isEmpty());
707	>	assertTrue(task.isDone());
708	>	assertTrue(task.isCancelled());
709	>	joinPool(p);
710		}
711
712		/**
713		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
714	<	* periodic tasks are cancelled at shutdown
714	>	* periodic tasks are not cancelled at shutdown
715		*/
716	<	public void testShutDown4() throws InterruptedException {
717	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
716	>	public void testShutdown4() throws InterruptedException {
717	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
718	>	final CountDownLatch counter = new CountDownLatch(2);
719		try {
720	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
720	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
721	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
722	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
723	>	final Runnable r = new CheckedRunnable() {
724	>	public void realRun() {
725	>	counter.countDown();
726	>	}};
727		ScheduledFuture task =
728	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
728	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
729	>	assertFalse(task.isDone());
730		assertFalse(task.isCancelled());
731	<	try { p1.shutdown(); } catch (SecurityException ok) { return; }
731	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
732		assertFalse(task.isCancelled());
733	<	assertFalse(p1.isTerminated());
734	<	assertTrue(p1.isShutdown());
735	<	Thread.sleep(SHORT_DELAY_MS);
733	>	assertFalse(p.isTerminated());
734	>	assertTrue(p.isShutdown());
735	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
736		assertFalse(task.isCancelled());
737	<	assertTrue(task.cancel(true));
737	>	assertTrue(task.cancel(false));
738		assertTrue(task.isDone());
739	<	Thread.sleep(SHORT_DELAY_MS);
740	<	assertTrue(p1.isTerminated());
739	>	assertTrue(task.isCancelled());
740	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertTrue(p.isTerminated());
742		}
743		finally {
744	<	joinPool(p1);
744	>	joinPool(p);
745		}
746		}
747
#	Line 1009 | Line 1170 | public class ScheduledExecutorTest exten
1170		}
1171		}
1172
1012	–
1173		}

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