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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.40 by jsr166, Sat May 7 19:34:51 2011 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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/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.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15		public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23	<	static class MyRunnable implements Runnable {
24	<	volatile boolean done = false;
25	<	public void run() {
26	<	try {
27	<	Thread.sleep(SMALL_DELAY_MS);
28	<	done = true;
29	<	} catch(Exception e){
30	<	}
23	>
24	>	/**
25	>	* execute successfully executes a runnable
26	>	*/
27	>	public void testExecute() throws InterruptedException {
28	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
29	>	final CountDownLatch done = new CountDownLatch(1);
30	>	final Runnable task = new CheckedRunnable() {
31	>	public void realRun() {
32	>	done.countDown();
33	>	}};
34	>	try {
35	>	p.execute(task);
36	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
37	>	} finally {
38	>	joinPool(p);
39		}
40		}
41
42	<	static class MyCallable implements Callable {
43	<	volatile boolean done = false;
44	<	public Object call() {
45	<	try {
46	<	Thread.sleep(SMALL_DELAY_MS);
47	<	done = true;
48	<	} catch(Exception e){
49	<	}
50	<	return Boolean.TRUE;
42	>
43	>	/**
44	>	* delayed schedule of callable successfully executes after delay
45	>	*/
46	>	public void testSchedule1() throws Exception {
47	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
48	>	final long t0 = System.nanoTime();
49	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
50	>	final CountDownLatch done = new CountDownLatch(1);
51	>	try {
52	>	Callable task = new CheckedCallable<Boolean>() {
53	>	public Boolean realCall() {
54	>	done.countDown();
55	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
56	>	return Boolean.TRUE;
57	>	}};
58	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
59	>	assertEquals(Boolean.TRUE, f.get());
60	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
61	>	assertTrue(done.await(0L, MILLISECONDS));
62	>	} finally {
63	>	joinPool(p);
64		}
65		}
66
67		/**
68	<	*
68	>	* delayed schedule of runnable successfully executes after delay
69		*/
70	<	public void testExecute() {
71	<	try {
72	<	MyRunnable runnable =new MyRunnable();
73	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
74	<	p1.execute(runnable);
75	<	assertFalse(runnable.done);
76	<	Thread.sleep(SHORT_DELAY_MS);
77	<	p1.shutdown();
78	<	try {
79	<	Thread.sleep(MEDIUM_DELAY_MS);
80	<	} catch(InterruptedException e){
81	<	unexpectedException();
82	<	}
83	<	assertTrue(runnable.done);
84	<	p1.shutdown();
85	<	joinPool(p1);
86	<	}
63	<	catch(Exception e){
64	<	unexpectedException();
70	>	public void testSchedule3() throws Exception {
71	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
72	>	final long t0 = System.nanoTime();
73	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
74	>	final CountDownLatch done = new CountDownLatch(1);
75	>	try {
76	>	Runnable task = new CheckedRunnable() {
77	>	public void realRun() {
78	>	done.countDown();
79	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
80	>	}};
81	>	Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS);
82	>	assertNull(f.get());
83	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
84	>	assertTrue(done.await(0L, MILLISECONDS));
85	>	} finally {
86	>	joinPool(p);
87		}
66	–
88		}
89
90		/**
91	<	*
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule1() {
94	<	try {
95	<	MyCallable callable = new MyCallable();
96	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
97	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	assertFalse(callable.done);
99	<	Thread.sleep(MEDIUM_DELAY_MS);
100	<	assertTrue(callable.done);
101	<	assertEquals(Boolean.TRUE, f.get());
102	<	p1.shutdown();
103	<	joinPool(p1);
104	<	} catch(RejectedExecutionException e){}
105	<	catch(Exception e){
106	<	unexpectedException();
93	>	public void testSchedule4() throws Exception {
94	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
95	>	final long t0 = System.nanoTime();
96	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
97	>	final CountDownLatch done = new CountDownLatch(1);
98	>	try {
99	>	Runnable task = new CheckedRunnable() {
100	>	public void realRun() {
101	>	done.countDown();
102	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
103	>	}};
104	>	ScheduledFuture f =
105	>	p.scheduleAtFixedRate(task, SHORT_DELAY_MS,
106	>	SHORT_DELAY_MS, MILLISECONDS);
107	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
108	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
109	>	f.cancel(true);
110	>	} finally {
111	>	joinPool(p);
112		}
113		}
114
115		/**
116	<	*
116	>	* scheduleWithFixedDelay executes runnable after given initial delay
117		*/
118	<	public void testSchedule3() {
119	<	try {
120	<	MyRunnable runnable = new MyRunnable();
121	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
122	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
123	<	Thread.sleep(SHORT_DELAY_MS);
124	<	assertFalse(runnable.done);
125	<	Thread.sleep(MEDIUM_DELAY_MS);
126	<	assertTrue(runnable.done);
127	<	p1.shutdown();
128	<	joinPool(p1);
129	<	} catch(Exception e){
130	<	unexpectedException();
118	>	public void testSchedule5() throws InterruptedException {
119	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
120	>	final long t0 = System.nanoTime();
121	>	final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L;
122	>	final CountDownLatch done = new CountDownLatch(1);
123	>	try {
124	>	Runnable task = new CheckedRunnable() {
125	>	public void realRun() {
126	>	done.countDown();
127	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
128	>	}};
129	>	ScheduledFuture f =
130	>	p.scheduleWithFixedDelay(task, SHORT_DELAY_MS,
131	>	SHORT_DELAY_MS, MILLISECONDS);
132	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
133	>	assertTrue(System.nanoTime() - t0 >= timeoutNanos);
134	>	f.cancel(true);
135	>	} finally {
136	>	joinPool(p);
137		}
138		}
139	<
139	>
140	>	static class RunnableCounter implements Runnable {
141	>	AtomicInteger count = new AtomicInteger(0);
142	>	public void run() { count.getAndIncrement(); }
143	>	}
144	>
145		/**
146	<	*
146	>	* scheduleAtFixedRate executes series of tasks at given rate
147		*/
148	<	public void testSchedule4() {
149	<	try {
150	<	MyRunnable runnable = new MyRunnable();
151	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
152	<	p1.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
153	<	assertFalse(runnable.done);
154	<	Thread.sleep(MEDIUM_DELAY_MS);
155	<	assertTrue(runnable.done);
156	<	p1.shutdown();
157	<	joinPool(p1);
158	<	} catch(Exception e){
159	<	unexpectedException();
160	<	}
148	>	public void testFixedRateSequence() throws InterruptedException {
149	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
150	>	RunnableCounter counter = new RunnableCounter();
151	>	ScheduledFuture h =
152	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
153	>	delay(SMALL_DELAY_MS);
154	>	h.cancel(true);
155	>	int c = counter.count.get();
156	>	// By time scaling conventions, we must have at least
157	>	// an execution per SHORT delay, but no more than one SHORT more
158	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
159	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
160	>	joinPool(p);
161		}
125	–
126	–
127	–	// exception tests
162
163		/**
164	<	*   schedule(Runnable, long) throws RejectedExecutionException
165	<	*  This occurs on an attempt to schedule a task on a shutdown executor
164	>	* scheduleWithFixedDelay executes series of tasks with given period
165	>	*/
166	>	public void testFixedDelaySequence() throws InterruptedException {
167	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
168	>	RunnableCounter counter = new RunnableCounter();
169	>	ScheduledFuture h =
170	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
171	>	delay(SMALL_DELAY_MS);
172	>	h.cancel(true);
173	>	int c = counter.count.get();
174	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
175	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
176	>	joinPool(p);
177	>	}
178	>
179	>
180	>	/**
181	>	* execute(null) throws NPE
182		*/
183	<	public void testSchedule1_RejectedExecutionException() {
184	<	ScheduledExecutor se = new ScheduledExecutor(1);
183	>	public void testExecuteNull() throws InterruptedException {
184	>	ScheduledThreadPoolExecutor se = null;
185		try {
186	<	se.shutdown();
187	<	se.schedule(new NoOpRunnable(),
138	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
186	>	se = new ScheduledThreadPoolExecutor(1);
187	>	se.execute(null);
188		shouldThrow();
189	<	} catch(RejectedExecutionException success){
190	<	}
189	>	} catch (NullPointerException success) {}
190	>
191		joinPool(se);
192	+	}
193
194	+	/**
195	+	* schedule(null) throws NPE
196	+	*/
197	+	public void testScheduleNull() throws InterruptedException {
198	+	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
199	+	try {
200	+	TrackedCallable callable = null;
201	+	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
202	+	shouldThrow();
203	+	} catch (NullPointerException success) {}
204	+	joinPool(se);
205		}
206
207		/**
208	<	*   schedule(Callable, long, TimeUnit) throws RejectedExecutionException
148	<	*  This occurs on an attempt to schedule a task on a shutdown executor
208	>	* execute throws RejectedExecutionException if shutdown
209		*/
210	<	public void testSchedule2_RejectedExecutionException() {
211	<	ScheduledExecutor se = new ScheduledExecutor(1);
210	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212		try {
213		se.shutdown();
214	<	se.schedule(new NoOpCallable(),
215	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
214	>	se.schedule(new NoOpRunnable(),
215	>	MEDIUM_DELAY_MS, MILLISECONDS);
216		shouldThrow();
217	<	} catch(RejectedExecutionException success){
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219		}
220	+
221		joinPool(se);
222		}
223
224		/**
225	<	*   schedule(Callable, long) throws RejectedExecutionException
164	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	>	* schedule throws RejectedExecutionException if shutdown
226		*/
227	<	public void testSchedule3_RejectedExecutionException() {
228	<	ScheduledExecutor se = new ScheduledExecutor(1);
229	<	try {
227	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
228	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	>	try {
230		se.shutdown();
231		se.schedule(new NoOpCallable(),
232	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
232	>	MEDIUM_DELAY_MS, MILLISECONDS);
233		shouldThrow();
234	<	} catch(RejectedExecutionException success){
235	<	}
236	<	joinPool(se);
234	>	} catch (RejectedExecutionException success) {
235	>	} catch (SecurityException ok) {
236	>	}
237	>	joinPool(se);
238		}
239
240		/**
241	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
180	<	*  RejectedExecutionException.
181	<	*  This occurs on an attempt to schedule a task on a shutdown executor
241	>	* schedule callable throws RejectedExecutionException if shutdown
242		*/
243	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
244	<	ScheduledExecutor se = new ScheduledExecutor(1);
243	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
244	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
245		try {
246		se.shutdown();
247	<	se.scheduleAtFixedRate(new NoOpRunnable(),
248	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
247	>	se.schedule(new NoOpCallable(),
248	>	MEDIUM_DELAY_MS, MILLISECONDS);
249		shouldThrow();
250	<	} catch(RejectedExecutionException success){
251	<	}
250	>	} catch (RejectedExecutionException success) {
251	>	} catch (SecurityException ok) {
252	>	}
253		joinPool(se);
254		}
255	<
255	>
256		/**
257	<	*   scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
197	<	*  RejectedExecutionException.
198	<	*  This occurs on an attempt to schedule a task on a shutdown executor
257	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
258		*/
259	<	public void testScheduleAtFixedRate2_RejectedExecutionException() {
260	<	ScheduledExecutor se = new ScheduledExecutor(1);
259	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
260	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
261		try {
262		se.shutdown();
263		se.scheduleAtFixedRate(new NoOpRunnable(),
264	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
264	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
265		shouldThrow();
266	<	} catch(RejectedExecutionException success){
267	<	}
266	>	} catch (RejectedExecutionException success) {
267	>	} catch (SecurityException ok) {
268	>	}
269		joinPool(se);
270		}
271
272		/**
273	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
214	<	*  RejectedExecutionException.
215	<	*  This occurs on an attempt to schedule a task on a shutdown executor
273	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
274		*/
275	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
276	<	ScheduledExecutor se = new ScheduledExecutor(1);
275	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
276	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
277		try {
278		se.shutdown();
279		se.scheduleWithFixedDelay(new NoOpRunnable(),
280	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
280	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
281		shouldThrow();
282	<	} catch(RejectedExecutionException success){
283	<	}
282	>	} catch (RejectedExecutionException success) {
283	>	} catch (SecurityException ok) {
284	>	}
285		joinPool(se);
286		}
287
288		/**
289	<	*   scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
290	<	*  RejectedExecutionException.
232	<	*  This occurs on an attempt to schedule a task on a shutdown executor
289	>	* getActiveCount increases but doesn't overestimate, when a
290	>	* thread becomes active
291		*/
292	<	public void testScheduleWithFixedDelay2_RejectedExecutionException() {
293	<	ScheduledExecutor se = new ScheduledExecutor(1);
292	>	public void testGetActiveCount() throws InterruptedException {
293	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
294	>	final CountDownLatch threadStarted = new CountDownLatch(1);
295	>	final CountDownLatch done = new CountDownLatch(1);
296		try {
297	<	se.shutdown();
298	<	se.scheduleWithFixedDelay(new NoOpRunnable(),
299	<	1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
300	<	shouldThrow();
301	<	} catch(RejectedExecutionException success){
302	<	}
303	<	joinPool(se);
297	>	assertEquals(0, p.getActiveCount());
298	>	p.execute(new CheckedRunnable() {
299	>	public void realRun() throws InterruptedException {
300	>	threadStarted.countDown();
301	>	assertEquals(1, p.getActiveCount());
302	>	done.await();
303	>	}});
304	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
305	>	assertEquals(1, p.getActiveCount());
306	>	} finally {
307	>	done.countDown();
308	>	joinPool(p);
309	>	}
310		}
311
312		/**
313	<	*   execute throws RejectedExecutionException
314	<	*  This occurs on an attempt to schedule a task on a shutdown executor
313	>	* getCompletedTaskCount increases, but doesn't overestimate,
314	>	* when tasks complete
315		*/
316	<	public void testExecute_RejectedExecutionException() {
317	<	ScheduledExecutor se = new ScheduledExecutor(1);
316	>	public void testGetCompletedTaskCount() throws InterruptedException {
317	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
318	>	final CountDownLatch threadStarted = new CountDownLatch(1);
319	>	final CountDownLatch threadProceed = new CountDownLatch(1);
320	>	final CountDownLatch threadDone = new CountDownLatch(1);
321		try {
322	<	se.shutdown();
323	<	se.execute(new NoOpRunnable());
322	>	assertEquals(0, p.getCompletedTaskCount());
323	>	p.execute(new CheckedRunnable() {
324	>	public void realRun() throws InterruptedException {
325	>	threadStarted.countDown();
326	>	assertEquals(0, p.getCompletedTaskCount());
327	>	threadProceed.await();
328	>	threadDone.countDown();
329	>	}});
330	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
331	>	assertEquals(0, p.getCompletedTaskCount());
332	>	threadProceed.countDown();
333	>	threadDone.await();
334	>	delay(SHORT_DELAY_MS);
335	>	assertEquals(1, p.getCompletedTaskCount());
336	>	} finally {
337	>	joinPool(p);
338	>	}
339	>	}
340	>
341	>	/**
342	>	* getCorePoolSize returns size given in constructor if not otherwise set
343	>	*/
344	>	public void testGetCorePoolSize() throws InterruptedException {
345	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	assertEquals(1, p.getCorePoolSize());
347	>	joinPool(p);
348	>	}
349	>
350	>	/**
351	>	* getLargestPoolSize increases, but doesn't overestimate, when
352	>	* multiple threads active
353	>	*/
354	>	public void testGetLargestPoolSize() throws InterruptedException {
355	>	final int THREADS = 3;
356	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
357	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358	>	final CountDownLatch done = new CountDownLatch(1);
359	>	try {
360	>	assertEquals(0, p.getLargestPoolSize());
361	>	for (int i = 0; i < THREADS; i++)
362	>	p.execute(new CheckedRunnable() {
363	>	public void realRun() throws InterruptedException {
364	>	threadsStarted.countDown();
365	>	done.await();
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367	>	}});
368	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
369	>	assertEquals(THREADS, p.getLargestPoolSize());
370	>	} finally {
371	>	done.countDown();
372	>	joinPool(p);
373	>	assertEquals(THREADS, p.getLargestPoolSize());
374	>	}
375	>	}
376	>
377	>	/**
378	>	* getPoolSize increases, but doesn't overestimate, when threads
379	>	* become active
380	>	*/
381	>	public void testGetPoolSize() throws InterruptedException {
382	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
383	>	final CountDownLatch threadStarted = new CountDownLatch(1);
384	>	final CountDownLatch done = new CountDownLatch(1);
385	>	try {
386	>	assertEquals(0, p.getPoolSize());
387	>	p.execute(new CheckedRunnable() {
388	>	public void realRun() throws InterruptedException {
389	>	threadStarted.countDown();
390	>	assertEquals(1, p.getPoolSize());
391	>	done.await();
392	>	}});
393	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
394	>	assertEquals(1, p.getPoolSize());
395	>	} finally {
396	>	done.countDown();
397	>	joinPool(p);
398	>	}
399	>	}
400	>
401	>	/**
402	>	* getTaskCount increases, but doesn't overestimate, when tasks
403	>	* submitted
404	>	*/
405	>	public void testGetTaskCount() throws InterruptedException {
406	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
407	>	final CountDownLatch threadStarted = new CountDownLatch(1);
408	>	final CountDownLatch done = new CountDownLatch(1);
409	>	final int TASKS = 5;
410	>	try {
411	>	assertEquals(0, p.getTaskCount());
412	>	for (int i = 0; i < TASKS; i++)
413	>	p.execute(new CheckedRunnable() {
414	>	public void realRun() throws InterruptedException {
415	>	threadStarted.countDown();
416	>	done.await();
417	>	}});
418	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
419	>	assertEquals(TASKS, p.getTaskCount());
420	>	} finally {
421	>	done.countDown();
422	>	joinPool(p);
423	>	}
424	>	}
425	>
426	>	/**
427	>	* getThreadFactory returns factory in constructor if not set
428	>	*/
429	>	public void testGetThreadFactory() throws InterruptedException {
430	>	ThreadFactory tf = new SimpleThreadFactory();
431	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
432	>	assertSame(tf, p.getThreadFactory());
433	>	joinPool(p);
434	>	}
435	>
436	>	/**
437	>	* setThreadFactory sets the thread factory returned by getThreadFactory
438	>	*/
439	>	public void testSetThreadFactory() throws InterruptedException {
440	>	ThreadFactory tf = new SimpleThreadFactory();
441	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	p.setThreadFactory(tf);
443	>	assertSame(tf, p.getThreadFactory());
444	>	joinPool(p);
445	>	}
446	>
447	>	/**
448	>	* setThreadFactory(null) throws NPE
449	>	*/
450	>	public void testSetThreadFactoryNull() throws InterruptedException {
451	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
452	>	try {
453	>	p.setThreadFactory(null);
454		shouldThrow();
455	<	} catch(RejectedExecutionException success){
456	<	}
457	<	joinPool(se);
455	>	} catch (NullPointerException success) {
456	>	} finally {
457	>	joinPool(p);
458	>	}
459		}
460
461		/**
462	<	*   getActiveCount gives correct values
462	>	* isShutDown is false before shutdown, true after
463		*/
464	<	public void testGetActiveCount() {
465	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
466	<	assertEquals(0, p2.getActiveCount());
267	<	p2.execute(new SmallRunnable());
464	>	public void testIsShutdown() {
465	>
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
467		try {
468	<	Thread.sleep(SHORT_DELAY_MS);
469	<	} catch(Exception e){
470	<	unexpectedException();
468	>	assertFalse(p.isShutdown());
469	>	}
470	>	finally {
471	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
472		}
473	<	assertEquals(1, p2.getActiveCount());
274	<	joinPool(p2);
473	>	assertTrue(p.isShutdown());
474		}
475	<
475	>
476	>
477		/**
478	<	*   getCompleteTaskCount gives correct values
478	>	* isTerminated is false before termination, true after
479		*/
480	<	public void testGetCompletedTaskCount() {
481	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
482	<	assertEquals(0, p2.getCompletedTaskCount());
483	<	p2.execute(new SmallRunnable());
480	>	public void testIsTerminated() throws InterruptedException {
481	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
482	>	final CountDownLatch threadStarted = new CountDownLatch(1);
483	>	final CountDownLatch done = new CountDownLatch(1);
484	>	assertFalse(p.isTerminated());
485		try {
486	<	Thread.sleep(MEDIUM_DELAY_MS);
487	<	} catch(Exception e){
488	<	unexpectedException();
486	>	p.execute(new CheckedRunnable() {
487	>	public void realRun() throws InterruptedException {
488	>	assertFalse(p.isTerminated());
489	>	threadStarted.countDown();
490	>	done.await();
491	>	}});
492	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
493	>	assertFalse(p.isTerminating());
494	>	done.countDown();
495	>	} finally {
496	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
497		}
498	<	assertEquals(1, p2.getCompletedTaskCount());
499	<	joinPool(p2);
498	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
499	>	assertTrue(p.isTerminated());
500		}
501	<
501	>
502		/**
503	<	*   getCorePoolSize gives correct values
503	>	* isTerminating is not true when running or when terminated
504		*/
505	<	public void testGetCorePoolSize() {
506	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
507	<	assertEquals(1, p1.getCorePoolSize());
508	<	joinPool(p1);
505	>	public void testIsTerminating() throws InterruptedException {
506	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	try {
510	>	assertFalse(p.isTerminating());
511	>	p.execute(new CheckedRunnable() {
512	>	public void realRun() throws InterruptedException {
513	>	assertFalse(p.isTerminating());
514	>	threadStarted.countDown();
515	>	done.await();
516	>	}});
517	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
518	>	assertFalse(p.isTerminating());
519	>	done.countDown();
520	>	} finally {
521	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
522	>	}
523	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
524	>	assertTrue(p.isTerminated());
525	>	assertFalse(p.isTerminating());
526		}
527	<
527	>
528		/**
529	<	*   getLargestPoolSize gives correct values
529	>	* getQueue returns the work queue, which contains queued tasks
530		*/
531	<	public void testGetLargestPoolSize() {
532	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
533	<	assertEquals(0, p2.getLargestPoolSize());
534	<	p2.execute(new SmallRunnable());
309	<	p2.execute(new SmallRunnable());
531	>	public void testGetQueue() throws InterruptedException {
532	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
533	>	final CountDownLatch threadStarted = new CountDownLatch(1);
534	>	final CountDownLatch done = new CountDownLatch(1);
535		try {
536	<	Thread.sleep(SHORT_DELAY_MS);
537	<	} catch(Exception e){
538	<	unexpectedException();
536	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
537	>	for (int i = 0; i < tasks.length; i++) {
538	>	Runnable r = new CheckedRunnable() {
539	>	public void realRun() throws InterruptedException {
540	>	threadStarted.countDown();
541	>	done.await();
542	>	}};
543	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
544	>	}
545	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
546	>	BlockingQueue<Runnable> q = p.getQueue();
547	>	assertTrue(q.contains(tasks[tasks.length - 1]));
548	>	assertFalse(q.contains(tasks[0]));
549	>	} finally {
550	>	done.countDown();
551	>	joinPool(p);
552		}
315	–	assertEquals(2, p2.getLargestPoolSize());
316	–	joinPool(p2);
553		}
554	<
554	>
555		/**
556	<	*   getPoolSize gives correct values
556	>	* remove(task) removes queued task, and fails to remove active task
557		*/
558	<	public void testGetPoolSize() {
559	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
560	<	assertEquals(0, p1.getPoolSize());
561	<	p1.execute(new SmallRunnable());
562	<	assertEquals(1, p1.getPoolSize());
563	<	joinPool(p1);
558	>	public void testRemove() throws InterruptedException {
559	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
560	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
561	>	final CountDownLatch threadStarted = new CountDownLatch(1);
562	>	final CountDownLatch done = new CountDownLatch(1);
563	>	try {
564	>	for (int i = 0; i < tasks.length; i++) {
565	>	Runnable r = new CheckedRunnable() {
566	>	public void realRun() throws InterruptedException {
567	>	threadStarted.countDown();
568	>	done.await();
569	>	}};
570	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
571	>	}
572	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
573	>	BlockingQueue<Runnable> q = p.getQueue();
574	>	assertFalse(p.remove((Runnable)tasks[0]));
575	>	assertTrue(q.contains((Runnable)tasks[4]));
576	>	assertTrue(q.contains((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[4]));
578	>	assertFalse(p.remove((Runnable)tasks[4]));
579	>	assertFalse(q.contains((Runnable)tasks[4]));
580	>	assertTrue(q.contains((Runnable)tasks[3]));
581	>	assertTrue(p.remove((Runnable)tasks[3]));
582	>	assertFalse(q.contains((Runnable)tasks[3]));
583	>	} finally {
584	>	done.countDown();
585	>	joinPool(p);
586	>	}
587		}
588	<
588	>
589		/**
590	<	*   getTaskCount gives correct values
590	>	* purge eventually removes cancelled tasks from the queue
591		*/
592	<	public void testGetTaskCount() {
593	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
594	<	assertEquals(0, p1.getTaskCount());
595	<	for(int i = 0; i < 5; i++)
596	<	p1.execute(new SmallRunnable());
592	>	public void testPurge() throws InterruptedException {
593	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
595	>	for (int i = 0; i < tasks.length; i++)
596	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
597	>	LONG_DELAY_MS, MILLISECONDS);
598		try {
599	<	Thread.sleep(SHORT_DELAY_MS);
600	<	} catch(Exception e){
601	<	unexpectedException();
599	>	int max = tasks.length;
600	>	if (tasks[4].cancel(true)) --max;
601	>	if (tasks[3].cancel(true)) --max;
602	>	// There must eventually be an interference-free point at
603	>	// which purge will not fail. (At worst, when queue is empty.)
604	>	long startTime = System.nanoTime();
605	>	do {
606	>	p.purge();
607	>	long count = p.getTaskCount();
608	>	if (count == max)
609	>	return;
610	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
611	>	fail("Purge failed to remove cancelled tasks");
612	>	} finally {
613	>	for (ScheduledFuture task : tasks)
614	>	task.cancel(true);
615	>	joinPool(p);
616		}
343	–	assertEquals(5, p1.getTaskCount());
344	–	joinPool(p1);
617		}
618	<
618	>
619		/**
620	<	*   isShutDown gives correct values
620	>	* shutDownNow returns a list containing tasks that were not run
621		*/
622	<	public void testIsShutdown() {
623	<
624	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
622	>	public void testShutdownNow() {
623	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
624	>	for (int i = 0; i < 5; i++)
625	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
626	>	LONG_DELAY_MS, MILLISECONDS);
627		try {
628	<	assertFalse(p1.isShutdown());
628	>	List<Runnable> l = p.shutdownNow();
629	>	assertTrue(p.isShutdown());
630	>	assertEquals(5, l.size());
631	>	} catch (SecurityException ok) {
632	>	// Allowed in case test doesn't have privs
633	>	} finally {
634	>	joinPool(p);
635	>	}
636	>	}
637	>
638	>	/**
639	>	* In default setting, shutdown cancels periodic but not delayed
640	>	* tasks at shutdown
641	>	*/
642	>	public void testShutDown1() throws InterruptedException {
643	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
644	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
645	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
646	>
647	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
648	>	for (int i = 0; i < tasks.length; i++)
649	>	tasks[i] = p.schedule(new NoOpRunnable(),
650	>	SHORT_DELAY_MS, MILLISECONDS);
651	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
652	>	BlockingQueue<Runnable> q = p.getQueue();
653	>	for (ScheduledFuture task : tasks) {
654	>	assertFalse(task.isDone());
655	>	assertFalse(task.isCancelled());
656	>	assertTrue(q.contains(task));
657	>	}
658	>	assertTrue(p.isShutdown());
659	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
660	>	assertTrue(p.isTerminated());
661	>	for (ScheduledFuture task : tasks) {
662	>	assertTrue(task.isDone());
663	>	assertFalse(task.isCancelled());
664	>	}
665	>	}
666	>
667	>
668	>	/**
669	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
670	>	* delayed tasks are cancelled at shutdown
671	>	*/
672	>	public void testShutDown2() throws InterruptedException {
673	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
674	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
675	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
676	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
677	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
678	>	for (int i = 0; i < tasks.length; i++)
679	>	tasks[i] = p.schedule(new NoOpRunnable(),
680	>	SHORT_DELAY_MS, MILLISECONDS);
681	>	BlockingQueue q = p.getQueue();
682	>	assertEquals(tasks.length, q.size());
683	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
684	>	assertTrue(p.isShutdown());
685	>	assertTrue(q.isEmpty());
686	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
687	>	assertTrue(p.isTerminated());
688	>	for (ScheduledFuture task : tasks) {
689	>	assertTrue(task.isDone());
690	>	assertTrue(task.isCancelled());
691	>	}
692	>	}
693	>
694	>	/**
695	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
696	>	* periodic tasks are cancelled at shutdown
697	>	*/
698	>	public void testShutDown3() throws InterruptedException {
699	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
700	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
701	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
702	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
703	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
704	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
705	>	ScheduledFuture task =
706	>	p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
707	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
708	>	assertTrue(p.isShutdown());
709	>	BlockingQueue q = p.getQueue();
710	>	assertTrue(p.getQueue().isEmpty());
711	>	assertTrue(task.isDone());
712	>	assertTrue(task.isCancelled());
713	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
714	>	assertTrue(p.isTerminated());
715	>	}
716	>
717	>	/**
718	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
719	>	* periodic tasks are not cancelled at shutdown
720	>	*/
721	>	public void testShutDown4() throws InterruptedException {
722	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
723	>	final CountDownLatch counter = new CountDownLatch(2);
724	>	try {
725	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
726	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
728	>	final Runnable r = new CheckedRunnable() {
729	>	public void realRun() {
730	>	counter.countDown();
731	>	}};
732	>	ScheduledFuture task =
733	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
734	>	assertFalse(task.isDone());
735	>	assertFalse(task.isCancelled());
736	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
737	>	assertFalse(task.isCancelled());
738	>	assertFalse(p.isTerminated());
739	>	assertTrue(p.isShutdown());
740	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertFalse(task.isCancelled());
742	>	assertTrue(task.cancel(false));
743	>	assertTrue(task.isDone());
744	>	assertTrue(task.isCancelled());
745	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
746	>	assertTrue(p.isTerminated());
747		}
748		finally {
749	<	p1.shutdown();
749	>	joinPool(p);
750		}
359	–	assertTrue(p1.isShutdown());
751		}
752
362	–
753		/**
754	<	*  isTerminated gives correct values
754	>	* completed submit of callable returns result
755		*/
756	<	public void testIsTerminated() {
757	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
756	>	public void testSubmitCallable() throws Exception {
757	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
758		try {
759	<	p1.execute(new SmallRunnable());
759	>	Future<String> future = e.submit(new StringTask());
760	>	String result = future.get();
761	>	assertSame(TEST_STRING, result);
762		} finally {
763	<	p1.shutdown();
763	>	joinPool(e);
764		}
765	+	}
766	+
767	+	/**
768	+	* completed submit of runnable returns successfully
769	+	*/
770	+	public void testSubmitRunnable() throws Exception {
771	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772		try {
773	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
774	<	assertTrue(p1.isTerminated());
775	<	} catch(Exception e){
776	<	unexpectedException();
777	<	}
773	>	Future<?> future = e.submit(new NoOpRunnable());
774	>	future.get();
775	>	assertTrue(future.isDone());
776	>	} finally {
777	>	joinPool(e);
778	>	}
779		}
780
781		/**
782	<	*  isTerminating gives correct values
782	>	* completed submit of (runnable, result) returns result
783		*/
784	<	public void testIsTerminating() {
785	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
386	<	assertFalse(p1.isTerminating());
784	>	public void testSubmitRunnable2() throws Exception {
785	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
786		try {
787	<	p1.execute(new SmallRunnable());
788	<	assertFalse(p1.isTerminating());
787	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
788	>	String result = future.get();
789	>	assertSame(TEST_STRING, result);
790		} finally {
791	<	p1.shutdown();
791	>	joinPool(e);
792		}
793	+	}
794	+
795	+	/**
796	+	* invokeAny(null) throws NPE
797	+	*/
798	+	public void testInvokeAny1() throws Exception {
799	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
800		try {
801	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
802	<	assertTrue(p1.isTerminated());
803	<	assertFalse(p1.isTerminating());
804	<	} catch(Exception e){
805	<	unexpectedException();
806	<	}
801	>	e.invokeAny(null);
802	>	shouldThrow();
803	>	} catch (NullPointerException success) {
804	>	} finally {
805	>	joinPool(e);
806	>	}
807		}
808
809		/**
810	<	*   that purge correctly removes cancelled tasks
404	<	*  from the queue
810	>	* invokeAny(empty collection) throws IAE
811		*/
812	<	public void testPurge() {
813	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
814	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
815	<	for(int i = 0; i < 5; i++){
816	<	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
812	>	public void testInvokeAny2() throws Exception {
813	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
814	>	try {
815	>	e.invokeAny(new ArrayList<Callable<String>>());
816	>	shouldThrow();
817	>	} catch (IllegalArgumentException success) {
818	>	} finally {
819	>	joinPool(e);
820		}
412	–	int max = 5;
413	–	if (tasks[4].cancel(true)) --max;
414	–	if (tasks[3].cancel(true)) --max;
415	–	p1.purge();
416	–	long count = p1.getTaskCount();
417	–	assertTrue(count > 0 && count <= max);
418	–	joinPool(p1);
821		}
822
823		/**
824	<	*   shutDownNow returns a list
423	<	*  containing the correct number of elements
824	>	* invokeAny(c) throws NPE if c has null elements
825		*/
826	<	public void testShutDownNow() {
827	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
828	<	for(int i = 0; i < 5; i++)
829	<	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
830	<	List l = p1.shutdownNow();
831	<	assertTrue(p1.isShutdown());
832	<	assertTrue(l.size() > 0 && l.size() <= 5);
833	<	joinPool(p1);
826	>	public void testInvokeAny3() throws Exception {
827	>	CountDownLatch latch = new CountDownLatch(1);
828	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
829	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
830	>	l.add(latchAwaitingStringTask(latch));
831	>	l.add(null);
832	>	try {
833	>	e.invokeAny(l);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {
836	>	} finally {
837	>	latch.countDown();
838	>	joinPool(e);
839	>	}
840		}
841
842		/**
843	<	*
843	>	* invokeAny(c) throws ExecutionException if no task completes
844		*/
845	<	public void testShutDown1() {
845	>	public void testInvokeAny4() throws Exception {
846	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
847	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
848	>	l.add(new NPETask());
849		try {
850	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
851	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
852	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
850	>	e.invokeAny(l);
851	>	shouldThrow();
852	>	} catch (ExecutionException success) {
853	>	assertTrue(success.getCause() instanceof NullPointerException);
854	>	} finally {
855	>	joinPool(e);
856	>	}
857	>	}
858
859	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
860	<	for(int i = 0; i < 5; i++)
861	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
862	<	p1.shutdown();
863	<	BlockingQueue q = p1.getQueue();
864	<	for (Iterator it = q.iterator(); it.hasNext();) {
865	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
866	<	assertFalse(t.isCancelled());
867	<	}
868	<	assertTrue(p1.isShutdown());
869	<	Thread.sleep(SMALL_DELAY_MS);
870	<	for (int i = 0; i < 5; ++i) {
871	<	assertTrue(tasks[i].isDone());
457	<	assertFalse(tasks[i].isCancelled());
458	<	}
459	<
859	>	/**
860	>	* invokeAny(c) returns result of some task
861	>	*/
862	>	public void testInvokeAny5() throws Exception {
863	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	try {
865	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
866	>	l.add(new StringTask());
867	>	l.add(new StringTask());
868	>	String result = e.invokeAny(l);
869	>	assertSame(TEST_STRING, result);
870	>	} finally {
871	>	joinPool(e);
872		}
873	<	catch(Exception ex) {
874	<	unexpectedException();
873	>	}
874	>
875	>	/**
876	>	* invokeAll(null) throws NPE
877	>	*/
878	>	public void testInvokeAll1() throws Exception {
879	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
880	>	try {
881	>	e.invokeAll(null);
882	>	shouldThrow();
883	>	} catch (NullPointerException success) {
884	>	} finally {
885	>	joinPool(e);
886		}
887		}
888
889	+	/**
890	+	* invokeAll(empty collection) returns empty collection
891	+	*/
892	+	public void testInvokeAll2() throws Exception {
893	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	+	try {
895	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
896	+	assertTrue(r.isEmpty());
897	+	} finally {
898	+	joinPool(e);
899	+	}
900	+	}
901
902		/**
903	<	*
903	>	* invokeAll(c) throws NPE if c has null elements
904		*/
905	<	public void testShutDown2() {
905	>	public void testInvokeAll3() throws Exception {
906	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
907	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
908	>	l.add(new StringTask());
909	>	l.add(null);
910		try {
911	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
912	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
913	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
914	<	for(int i = 0; i < 5; i++)
915	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
477	<	p1.shutdown();
478	<	assertTrue(p1.isShutdown());
479	<	BlockingQueue q = p1.getQueue();
480	<	assertTrue(q.isEmpty());
481	<	Thread.sleep(SMALL_DELAY_MS);
482	<	assertTrue(p1.isTerminated());
911	>	e.invokeAll(l);
912	>	shouldThrow();
913	>	} catch (NullPointerException success) {
914	>	} finally {
915	>	joinPool(e);
916		}
917	<	catch(Exception ex) {
918	<	unexpectedException();
917	>	}
918	>
919	>	/**
920	>	* get of invokeAll(c) throws exception on failed task
921	>	*/
922	>	public void testInvokeAll4() throws Exception {
923	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
924	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
925	>	l.add(new NPETask());
926	>	List<Future<String>> futures = e.invokeAll(l);
927	>	assertEquals(1, futures.size());
928	>	try {
929	>	futures.get(0).get();
930	>	shouldThrow();
931	>	} catch (ExecutionException success) {
932	>	assertTrue(success.getCause() instanceof NullPointerException);
933	>	} finally {
934	>	joinPool(e);
935		}
936		}
937
938	+	/**
939	+	* invokeAll(c) returns results of all completed tasks
940	+	*/
941	+	public void testInvokeAll5() throws Exception {
942	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
943	+	try {
944	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
945	+	l.add(new StringTask());
946	+	l.add(new StringTask());
947	+	List<Future<String>> futures = e.invokeAll(l);
948	+	assertEquals(2, futures.size());
949	+	for (Future<String> future : futures)
950	+	assertSame(TEST_STRING, future.get());
951	+	} finally {
952	+	joinPool(e);
953	+	}
954	+	}
955
956		/**
957	<	*
957	>	* timed invokeAny(null) throws NPE
958		*/
959	<	public void testShutDown3() {
959	>	public void testTimedInvokeAny1() throws Exception {
960	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
961		try {
962	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
963	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
964	<	ScheduledCancellable task =
965	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
966	<	p1.shutdown();
500	<	assertTrue(p1.isShutdown());
501	<	BlockingQueue q = p1.getQueue();
502	<	assertTrue(q.isEmpty());
503	<	Thread.sleep(SHORT_DELAY_MS);
504	<	assertTrue(p1.isTerminated());
962	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
963	>	shouldThrow();
964	>	} catch (NullPointerException success) {
965	>	} finally {
966	>	joinPool(e);
967		}
968	<	catch(Exception ex) {
969	<	unexpectedException();
968	>	}
969	>
970	>	/**
971	>	* timed invokeAny(,,null) throws NPE
972	>	*/
973	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
974	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
976	>	l.add(new StringTask());
977	>	try {
978	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
979	>	shouldThrow();
980	>	} catch (NullPointerException success) {
981	>	} finally {
982	>	joinPool(e);
983		}
984		}
985
986		/**
987	<	*
987	>	* timed invokeAny(empty collection) throws IAE
988		*/
989	<	public void testShutDown4() {
990	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
989	>	public void testTimedInvokeAny2() throws Exception {
990	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
991		try {
992	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
993	<	ScheduledCancellable task =
994	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
995	<	assertFalse(task.isCancelled());
996	<	p1.shutdown();
522	<	assertFalse(task.isCancelled());
523	<	assertFalse(p1.isTerminated());
524	<	assertTrue(p1.isShutdown());
525	<	Thread.sleep(SHORT_DELAY_MS);
526	<	assertFalse(task.isCancelled());
527	<	task.cancel(true);
528	<	assertTrue(task.isCancelled());
529	<	Thread.sleep(SHORT_DELAY_MS);
530	<	assertTrue(p1.isTerminated());
992	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
993	>	shouldThrow();
994	>	} catch (IllegalArgumentException success) {
995	>	} finally {
996	>	joinPool(e);
997		}
998	<	catch(Exception ex) {
999	<	unexpectedException();
998	>	}
999	>
1000	>	/**
1001	>	* timed invokeAny(c) throws NPE if c has null elements
1002	>	*/
1003	>	public void testTimedInvokeAny3() throws Exception {
1004	>	CountDownLatch latch = new CountDownLatch(1);
1005	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1006	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1007	>	l.add(latchAwaitingStringTask(latch));
1008	>	l.add(null);
1009	>	try {
1010	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1011	>	shouldThrow();
1012	>	} catch (NullPointerException success) {
1013	>	} finally {
1014	>	latch.countDown();
1015	>	joinPool(e);
1016		}
1017	<	finally {
1018	<	p1.shutdownNow();
1017	>	}
1018	>
1019	>	/**
1020	>	* timed invokeAny(c) throws ExecutionException if no task completes
1021	>	*/
1022	>	public void testTimedInvokeAny4() throws Exception {
1023	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1024	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1025	>	l.add(new NPETask());
1026	>	try {
1027	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (ExecutionException success) {
1030	>	assertTrue(success.getCause() instanceof NullPointerException);
1031	>	} finally {
1032	>	joinPool(e);
1033	>	}
1034	>	}
1035	>
1036	>	/**
1037	>	* timed invokeAny(c) returns result of some task
1038	>	*/
1039	>	public void testTimedInvokeAny5() throws Exception {
1040	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	try {
1042	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1043	>	l.add(new StringTask());
1044	>	l.add(new StringTask());
1045	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	assertSame(TEST_STRING, result);
1047	>	} finally {
1048	>	joinPool(e);
1049	>	}
1050	>	}
1051	>
1052	>	/**
1053	>	* timed invokeAll(null) throws NPE
1054	>	*/
1055	>	public void testTimedInvokeAll1() throws Exception {
1056	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1057	>	try {
1058	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1059	>	shouldThrow();
1060	>	} catch (NullPointerException success) {
1061	>	} finally {
1062	>	joinPool(e);
1063		}
1064		}
1065
1066	+	/**
1067	+	* timed invokeAll(,,null) throws NPE
1068	+	*/
1069	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1070	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1071	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1072	+	l.add(new StringTask());
1073	+	try {
1074	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1075	+	shouldThrow();
1076	+	} catch (NullPointerException success) {
1077	+	} finally {
1078	+	joinPool(e);
1079	+	}
1080	+	}
1081	+
1082	+	/**
1083	+	* timed invokeAll(empty collection) returns empty collection
1084	+	*/
1085	+	public void testTimedInvokeAll2() throws Exception {
1086	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1087	+	try {
1088	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1089	+	assertTrue(r.isEmpty());
1090	+	} finally {
1091	+	joinPool(e);
1092	+	}
1093	+	}
1094	+
1095	+	/**
1096	+	* timed invokeAll(c) throws NPE if c has null elements
1097	+	*/
1098	+	public void testTimedInvokeAll3() throws Exception {
1099	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1100	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1101	+	l.add(new StringTask());
1102	+	l.add(null);
1103	+	try {
1104	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1105	+	shouldThrow();
1106	+	} catch (NullPointerException success) {
1107	+	} finally {
1108	+	joinPool(e);
1109	+	}
1110	+	}
1111	+
1112	+	/**
1113	+	* get of element of invokeAll(c) throws exception on failed task
1114	+	*/
1115	+	public void testTimedInvokeAll4() throws Exception {
1116	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1117	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1118	+	l.add(new NPETask());
1119	+	List<Future<String>> futures =
1120	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1121	+	assertEquals(1, futures.size());
1122	+	try {
1123	+	futures.get(0).get();
1124	+	shouldThrow();
1125	+	} catch (ExecutionException success) {
1126	+	assertTrue(success.getCause() instanceof NullPointerException);
1127	+	} finally {
1128	+	joinPool(e);
1129	+	}
1130	+	}
1131	+
1132	+	/**
1133	+	* timed invokeAll(c) returns results of all completed tasks
1134	+	*/
1135	+	public void testTimedInvokeAll5() throws Exception {
1136	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1137	+	try {
1138	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1139	+	l.add(new StringTask());
1140	+	l.add(new StringTask());
1141	+	List<Future<String>> futures =
1142	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1143	+	assertEquals(2, futures.size());
1144	+	for (Future<String> future : futures)
1145	+	assertSame(TEST_STRING, future.get());
1146	+	} finally {
1147	+	joinPool(e);
1148	+	}
1149	+	}
1150	+
1151	+	/**
1152	+	* timed invokeAll(c) cancels tasks not completed by timeout
1153	+	*/
1154	+	public void testTimedInvokeAll6() throws Exception {
1155	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1156	+	try {
1157	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
1158	+	l.add(new StringTask());
1159	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1160	+	l.add(new StringTask());
1161	+	List<Future<String>> futures =
1162	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1163	+	assertEquals(3, futures.size());
1164	+	Iterator<Future<String>> it = futures.iterator();
1165	+	Future<String> f1 = it.next();
1166	+	Future<String> f2 = it.next();
1167	+	Future<String> f3 = it.next();
1168	+	assertTrue(f1.isDone());
1169	+	assertTrue(f2.isDone());
1170	+	assertTrue(f3.isDone());
1171	+	assertFalse(f1.isCancelled());
1172	+	assertTrue(f2.isCancelled());
1173	+	} finally {
1174	+	joinPool(e);
1175	+	}
1176	+	}
1177	+
1178	+
1179		}

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