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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:55 2003 UTC vs.
Revision 1.24 by jsr166, Mon Nov 16 05:30:08 2009 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/licenses/publicdomain
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 java.util.concurrent.atomic.*;
13
14	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
14	>	public class ScheduledExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
19	–
20	–
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
20		}
21
22	<	private static long SHORT_DELAY_MS = 100;
23	<	private static long MEDIUM_DELAY_MS = 1000;
24	<	private static long LONG_DELAY_MS = 10000;
25	<
26	<	static class MyRunnable implements Runnable {
27	<	volatile boolean waiting = true;
28	<	volatile boolean done = false;
29	<	public void run(){
30	<	try{
22	>
23	>	/**
24	>	* execute successfully executes a runnable
25	>	*/
26	>	public void testExecute() {
27	>	try {
28	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
29	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30	>	p1.execute(runnable);
31	>	assertFalse(runnable.done);
32	>	Thread.sleep(SHORT_DELAY_MS);
33	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
34	>	try {
35		Thread.sleep(MEDIUM_DELAY_MS);
36	<	waiting = false;
37	<	done = true;
38	<	} catch(Exception e){}
36	>	} catch (InterruptedException e) {
37	>	unexpectedException();
38	>	}
39	>	assertTrue(runnable.done);
40	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
41	>	joinPool(p1);
42	>	}
43	>	catch (Exception e) {
44	>	unexpectedException();
45		}
46	+
47		}
48
49	<	static class MyCallable implements Callable {
50	<	volatile boolean waiting = true;
51	<	volatile boolean done = false;
52	<	public Object call(){
53	<	try{
54	<	Thread.sleep(MEDIUM_DELAY_MS);
55	<	waiting = false;
56	<	done = true;
57	<	}catch(Exception e){}
58	<	return Boolean.TRUE;
49	>
50	>	/**
51	>	* delayed schedule of callable successfully executes after delay
52	>	*/
53	>	public void testSchedule1() {
54	>	try {
55	>	TrackedCallable callable = new TrackedCallable();
56	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
57	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	>	assertFalse(callable.done);
59	>	Thread.sleep(MEDIUM_DELAY_MS);
60	>	assertTrue(callable.done);
61	>	assertEquals(Boolean.TRUE, f.get());
62	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
63	>	joinPool(p1);
64	>	} catch (RejectedExecutionException e) {}
65	>	catch (Exception e) {
66	>	e.printStackTrace();
67	>	unexpectedException();
68		}
69		}
70
71		/**
72	<	*  Test to verify execute successfully runs the given Runnable
73	<	*/
74	<	public void testExecute(){
75	<	try{
76	<	MyRunnable runnable =new MyRunnable();
77	<	ScheduledExecutor one = new ScheduledExecutor(1);
78	<	one.execute(runnable);
79	<	Thread.sleep(100);
80	<	assertTrue(runnable.waiting);
81	<	one.shutdown();
65	<	// make sure the Runnable has time to complete
66	<	try{Thread.sleep(1010);}catch(InterruptedException e){}
67	<	assertFalse(runnable.waiting);
72	>	*  delayed schedule of runnable successfully executes after delay
73	>	*/
74	>	public void testSchedule3() {
75	>	try {
76	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
77	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
78	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
79	>	Thread.sleep(SHORT_DELAY_MS);
80	>	assertFalse(runnable.done);
81	>	Thread.sleep(MEDIUM_DELAY_MS);
82		assertTrue(runnable.done);
83	<	one.shutdown();
84	<	}
85	<	catch(Exception e){
86	<	fail("unexpected exception");
83	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
84	>	joinPool(p1);
85	>	} catch (Exception e) {
86	>	unexpectedException();
87		}
88		}
89
90		/**
91	<	*  Test to verify schedule successfully runs the given Callable.
78	<	*  The waiting flag shows that the Callable is not started until
79	<	*  immediately.
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule1(){
94	<	try{
95	<	MyCallable callable = new MyCallable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	Future f = one.schedule(callable, 500, TimeUnit.MILLISECONDS);
98	<	//      Thread.sleep(505);
99	<	assertTrue(callable.waiting);
100	<	Thread.sleep(2000);
101	<	assertTrue(callable.done);
102	<	assertEquals(Boolean.TRUE, f.get());
103	<	one.shutdown();
104	<	}catch(RejectedExecutionException e){}
105	<	catch(Exception e){}
93	>	public void testSchedule4() {
94	>	try {
95	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
96	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	>	assertFalse(runnable.done);
99	>	Thread.sleep(MEDIUM_DELAY_MS);
100	>	assertTrue(runnable.done);
101	>	h.cancel(true);
102	>	joinPool(p1);
103	>	} catch (Exception e) {
104	>	unexpectedException();
105	>	}
106	>	}
107	>
108	>	static class RunnableCounter implements Runnable {
109	>	AtomicInteger count = new AtomicInteger(0);
110	>	public void run() { count.getAndIncrement(); }
111		}
112
113		/**
114	<	*  Another version of schedule, only using Runnable instead of Callable
115	<	*/
116	<	public void testSchedule3(){
117	<	try{
118	<	MyRunnable runnable = new MyRunnable();
119	<	ScheduledExecutor one = new ScheduledExecutor(1);
120	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
121	<	Thread.sleep(50);
122	<	assertTrue(runnable.waiting);
106	<	Thread.sleep(2000);
107	<	assertTrue(runnable.done);
108	<	one.shutdown();
109	<	} catch(Exception e){
110	<	fail("unexpected exception");
111	<	}
112	<	}
113	<
114	<	/**
115	<	*  The final version of schedule, using both long, TimeUnit and Runnable
116	<	*/
117	<	public void testSchedule4(){
118	<	try{
119	<	MyRunnable runnable = new MyRunnable();
120	<	ScheduledExecutor one = new ScheduledExecutor(1);
121	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
122	<	//      Thread.sleep(505);
123	<	assertTrue(runnable.waiting);
124	<	Thread.sleep(2000);
114	>	* scheduleWithFixedDelay executes runnable after given initial delay
115	>	*/
116	>	public void testSchedule5() {
117	>	try {
118	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
119	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
120	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
121	>	assertFalse(runnable.done);
122	>	Thread.sleep(MEDIUM_DELAY_MS);
123		assertTrue(runnable.done);
124	<	one.shutdown();
125	<	} catch(Exception e){
126	<	fail("unexpected exception");
124	>	h.cancel(true);
125	>	joinPool(p1);
126	>	} catch (Exception e) {
127	>	unexpectedException();
128		}
129		}
131	–
132	–
133	–	// exception tests
130
131		/**
132	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
137	<	*  This occurs on an attempt to schedule a task on a shutdown executor
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133		*/
134	<	public void testSchedule1_RejectedExecutionException(){
135	<	try{
136	<	ScheduledExecutor se = new ScheduledExecutor(1);
137	<	se.shutdown();
138	<	se.schedule(new Runnable(){
139	<	public void run(){}
140	<	}, 10000, TimeUnit.MILLISECONDS);
141	<	fail("shoud throw");
142	<	}catch(RejectedExecutionException e){}
134	>	public void testFixedRateSequence() {
135	>	try {
136	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137	>	RunnableCounter counter = new RunnableCounter();
138	>	ScheduledFuture h =
139	>	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140	>	Thread.sleep(SMALL_DELAY_MS);
141	>	h.cancel(true);
142	>	int c = counter.count.get();
143	>	// By time scaling conventions, we must have at least
144	>	// an execution per SHORT delay, but no more than one SHORT more
145	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
146	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
147	>	joinPool(p1);
148	>	} catch (Exception e) {
149	>	unexpectedException();
150	>	}
151		}
152
153		/**
154	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
152	<	*  This occurs on an attempt to schedule a task on a shutdown executor
154	>	* scheduleWithFixedDelay executes series of tasks with given period
155		*/
156	<	public void testSchedule2_RejectedExecutionException(){
157	<	try{
158	<	ScheduledExecutor se = new ScheduledExecutor(1);
159	<	se.shutdown();
160	<	se.schedule(new Callable(){
161	<	public Object call(){
162	<	return Boolean.TRUE;
163	<	}
164	<	}, (long)100, TimeUnit.SECONDS);
165	<	fail("should throw");
166	<	}catch(RejectedExecutionException e){}
156	>	public void testFixedDelaySequence() {
157	>	try {
158	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
159	>	RunnableCounter counter = new RunnableCounter();
160	>	ScheduledFuture h =
161	>	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
162	>	Thread.sleep(SMALL_DELAY_MS);
163	>	h.cancel(true);
164	>	int c = counter.count.get();
165	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
166	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
167	>	joinPool(p1);
168	>	} catch (Exception e) {
169	>	unexpectedException();
170	>	}
171		}
172
173	+
174		/**
175	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
176	<	*  This occurs on an attempt to schedule a task on a shutdown executor
177	<	*/
178	<	public void testSchedule3_RejectedExecutionException(){
179	<	try{
180	<	ScheduledExecutor se = new ScheduledExecutor(1);
181	<	se.shutdown();
182	<	se.schedule(new Callable(){
183	<	public Object call(){
184	<	return Boolean.TRUE;
185	<	}
186	<	},  10000, TimeUnit.MILLISECONDS);
187	<	fail("should throw");
188	<	}catch(RejectedExecutionException e){}
175	>	*  execute (null) throws NPE
176	>	*/
177	>	public void testExecuteNull() {
178	>	ScheduledThreadPoolExecutor se = null;
179	>	try {
180	>	se = new ScheduledThreadPoolExecutor(1);
181	>	se.execute(null);
182	>	shouldThrow();
183	>	} catch (NullPointerException success) {}
184	>	catch (Exception e) {
185	>	unexpectedException();
186	>	}
187	>
188	>	joinPool(se);
189	>	}
190	>
191	>	/**
192	>	* schedule (null) throws NPE
193	>	*/
194	>	public void testScheduleNull() {
195	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
196	>	try {
197	>	TrackedCallable callable = null;
198	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
199	>	shouldThrow();
200	>	} catch (NullPointerException success) {}
201	>	catch (Exception e) {
202	>	unexpectedException();
203	>	}
204	>	joinPool(se);
205		}
206
207		/**
208	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
209	<	*  RejectedExecutionException.
210	<	*  This occurs on an attempt to schedule a task on a shutdown executor
211	<	*/
212	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
190	<	try{
191	<	ScheduledExecutor se = new ScheduledExecutor(1);
208	>	* execute throws RejectedExecutionException if shutdown
209	>	*/
210	>	public void testSchedule1_RejectedExecutionException() {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212	>	try {
213		se.shutdown();
214	<	se.scheduleAtFixedRate(new Runnable(){
215	<	public void run(){}
216	<	}, 100, 100, TimeUnit.SECONDS);
217	<	fail("should throw");
218	<	}catch(RejectedExecutionException e){}
219	<	}
220	<
221	<	/**
222	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
223	<	*  RejectedExecutionException.
224	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	<	*/
226	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
227	<	try{
228	<	ScheduledExecutor se = new ScheduledExecutor(1);
214	>	se.schedule(new NoOpRunnable(),
215	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216	>	shouldThrow();
217	>	} catch (RejectedExecutionException success) {
218	>	} catch (SecurityException ok) {
219	>	}
220	>
221	>	joinPool(se);
222	>
223	>	}
224	>
225	>	/**
226	>	* schedule throws RejectedExecutionException if shutdown
227	>	*/
228	>	public void testSchedule2_RejectedExecutionException() {
229	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	>	try {
231		se.shutdown();
232	<	se.scheduleAtFixedRate(new Runnable(){
233	<	public void run(){}
234	<	},  1, 100, TimeUnit.SECONDS);
235	<	fail("should throw");
236	<	}catch(RejectedExecutionException e){}
232	>	se.schedule(new NoOpCallable(),
233	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
234	>	shouldThrow();
235	>	} catch (RejectedExecutionException success) {
236	>	} catch (SecurityException ok) {
237	>	}
238	>	joinPool(se);
239		}
240
241		/**
242	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
218	<	*  RejectedExecutionException.
219	<	*  This occurs on an attempt to schedule a task on a shutdown executor
242	>	* schedule callable throws RejectedExecutionException if shutdown
243		*/
244	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
245	<	try{
246	<	ScheduledExecutor se = new ScheduledExecutor(1);
244	>	public void testSchedule3_RejectedExecutionException() {
245	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
246	>	try {
247		se.shutdown();
248	<	se.scheduleWithFixedDelay(new Runnable(){
249	<	public void run(){}
250	<	}, 100, 100, TimeUnit.SECONDS);
251	<	fail("should throw");
252	<	}catch(RejectedExecutionException e){}
248	>	se.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
250	>	shouldThrow();
251	>	} catch (RejectedExecutionException success) {
252	>	} catch (SecurityException ok) {
253	>	}
254	>	joinPool(se);
255		}
256
257		/**
258	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
234	<	*  RejectedExecutionException.
235	<	*  This occurs on an attempt to schedule a task on a shutdown executor
258	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
259		*/
260	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
261	<	try{
262	<	ScheduledExecutor se = new ScheduledExecutor(1);
260	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
261	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	>	try {
263		se.shutdown();
264	<	se.scheduleWithFixedDelay(new Runnable(){
265	<	public void run(){}
266	<	},  1, 100, TimeUnit.SECONDS);
267	<	fail("should throw");
268	<	}catch(RejectedExecutionException e){}
264	>	se.scheduleAtFixedRate(new NoOpRunnable(),
265	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266	>	shouldThrow();
267	>	} catch (RejectedExecutionException success) {
268	>	} catch (SecurityException ok) {
269	>	}
270	>	joinPool(se);
271		}
272
273		/**
274	<	*  Test to verify execute throws RejectedExecutionException
250	<	*  This occurs on an attempt to schedule a task on a shutdown executor
274	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
275		*/
276	<	public void testExecute_RejectedExecutionException(){
277	<	try{
278	<	ScheduledExecutor se = new ScheduledExecutor(1);
276	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280	<	se.execute(new Runnable(){
281	<	public void run(){}
282	<	});
283	<	fail("should throw");
284	<	}catch(RejectedExecutionException e){}
280	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282	>	shouldThrow();
283	>	} catch (RejectedExecutionException success) {
284	>	} catch (SecurityException ok) {
285	>	}
286	>	joinPool(se);
287	>	}
288	>
289	>	/**
290	>	*  getActiveCount increases but doesn't overestimate, when a
291	>	*  thread becomes active
292	>	*/
293	>	public void testGetActiveCount() {
294	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
295	>	assertEquals(0, p2.getActiveCount());
296	>	p2.execute(new SmallRunnable());
297	>	try {
298	>	Thread.sleep(SHORT_DELAY_MS);
299	>	} catch (Exception e) {
300	>	unexpectedException();
301	>	}
302	>	assertEquals(1, p2.getActiveCount());
303	>	joinPool(p2);
304	>	}
305	>
306	>	/**
307	>	*    getCompletedTaskCount increases, but doesn't overestimate,
308	>	*   when tasks complete
309	>	*/
310	>	public void testGetCompletedTaskCount() {
311	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
312	>	assertEquals(0, p2.getCompletedTaskCount());
313	>	p2.execute(new SmallRunnable());
314	>	try {
315	>	Thread.sleep(MEDIUM_DELAY_MS);
316	>	} catch (Exception e) {
317	>	unexpectedException();
318	>	}
319	>	assertEquals(1, p2.getCompletedTaskCount());
320	>	joinPool(p2);
321	>	}
322	>
323	>	/**
324	>	*  getCorePoolSize returns size given in constructor if not otherwise set
325	>	*/
326	>	public void testGetCorePoolSize() {
327	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
328	>	assertEquals(1, p1.getCorePoolSize());
329	>	joinPool(p1);
330	>	}
331	>
332	>	/**
333	>	*    getLargestPoolSize increases, but doesn't overestimate, when
334	>	*   multiple threads active
335	>	*/
336	>	public void testGetLargestPoolSize() {
337	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
338	>	assertEquals(0, p2.getLargestPoolSize());
339	>	p2.execute(new SmallRunnable());
340	>	p2.execute(new SmallRunnable());
341	>	try {
342	>	Thread.sleep(SHORT_DELAY_MS);
343	>	} catch (Exception e) {
344	>	unexpectedException();
345	>	}
346	>	assertEquals(2, p2.getLargestPoolSize());
347	>	joinPool(p2);
348	>	}
349	>
350	>	/**
351	>	*   getPoolSize increases, but doesn't overestimate, when threads
352	>	*   become active
353	>	*/
354	>	public void testGetPoolSize() {
355	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
356	>	assertEquals(0, p1.getPoolSize());
357	>	p1.execute(new SmallRunnable());
358	>	assertEquals(1, p1.getPoolSize());
359	>	joinPool(p1);
360	>	}
361	>
362	>	/**
363	>	*    getTaskCount increases, but doesn't overestimate, when tasks
364	>	*    submitted
365	>	*/
366	>	public void testGetTaskCount() {
367	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
368	>	assertEquals(0, p1.getTaskCount());
369	>	for (int i = 0; i < 5; i++)
370	>	p1.execute(new SmallRunnable());
371	>	try {
372	>	Thread.sleep(SHORT_DELAY_MS);
373	>	} catch (Exception e) {
374	>	unexpectedException();
375	>	}
376	>	assertEquals(5, p1.getTaskCount());
377	>	joinPool(p1);
378	>	}
379	>
380	>	/**
381	>	* getThreadFactory returns factory in constructor if not set
382	>	*/
383	>	public void testGetThreadFactory() {
384	>	ThreadFactory tf = new SimpleThreadFactory();
385	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
386	>	assertSame(tf, p.getThreadFactory());
387	>	joinPool(p);
388	>	}
389	>
390	>	/**
391	>	* setThreadFactory sets the thread factory returned by getThreadFactory
392	>	*/
393	>	public void testSetThreadFactory() {
394	>	ThreadFactory tf = new SimpleThreadFactory();
395	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396	>	p.setThreadFactory(tf);
397	>	assertSame(tf, p.getThreadFactory());
398	>	joinPool(p);
399	>	}
400	>
401	>	/**
402	>	* setThreadFactory(null) throws NPE
403	>	*/
404	>	public void testSetThreadFactoryNull() {
405	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
406	>	try {
407	>	p.setThreadFactory(null);
408	>	shouldThrow();
409	>	} catch (NullPointerException success) {
410	>	} finally {
411	>	joinPool(p);
412	>	}
413	>	}
414	>
415	>	/**
416	>	*   is isShutDown is false before shutdown, true after
417	>	*/
418	>	public void testIsShutdown() {
419	>
420	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
421	>	try {
422	>	assertFalse(p1.isShutdown());
423	>	}
424	>	finally {
425	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
426	>	}
427	>	assertTrue(p1.isShutdown());
428	>	}
429	>
430	>
431	>	/**
432	>	*   isTerminated is false before termination, true after
433	>	*/
434	>	public void testIsTerminated() {
435	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
436	>	try {
437	>	p1.execute(new SmallRunnable());
438	>	} finally {
439	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
440	>	}
441	>	try {
442	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
443	>	assertTrue(p1.isTerminated());
444	>	} catch (Exception e) {
445	>	unexpectedException();
446	>	}
447	>	}
448	>
449	>	/**
450	>	*  isTerminating is not true when running or when terminated
451	>	*/
452	>	public void testIsTerminating() {
453	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
454	>	assertFalse(p1.isTerminating());
455	>	try {
456	>	p1.execute(new SmallRunnable());
457	>	assertFalse(p1.isTerminating());
458	>	} finally {
459	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
460	>	}
461	>	try {
462	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
463	>	assertTrue(p1.isTerminated());
464	>	assertFalse(p1.isTerminating());
465	>	} catch (Exception e) {
466	>	unexpectedException();
467	>	}
468	>	}
469	>
470	>	/**
471	>	* getQueue returns the work queue, which contains queued tasks
472	>	*/
473	>	public void testGetQueue() {
474	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
475	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
476	>	for (int i = 0; i < 5; i++) {
477	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
478	>	}
479	>	try {
480	>	Thread.sleep(SHORT_DELAY_MS);
481	>	BlockingQueue<Runnable> q = p1.getQueue();
482	>	assertTrue(q.contains(tasks[4]));
483	>	assertFalse(q.contains(tasks[0]));
484	>	} catch (Exception e) {
485	>	unexpectedException();
486	>	} finally {
487	>	joinPool(p1);
488	>	}
489	>	}
490	>
491	>	/**
492	>	* remove(task) removes queued task, and fails to remove active task
493	>	*/
494	>	public void testRemove() {
495	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
496	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
497	>	for (int i = 0; i < 5; i++) {
498	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
499	>	}
500	>	try {
501	>	Thread.sleep(SHORT_DELAY_MS);
502	>	BlockingQueue<Runnable> q = p1.getQueue();
503	>	assertFalse(p1.remove((Runnable)tasks[0]));
504	>	assertTrue(q.contains((Runnable)tasks[4]));
505	>	assertTrue(q.contains((Runnable)tasks[3]));
506	>	assertTrue(p1.remove((Runnable)tasks[4]));
507	>	assertFalse(p1.remove((Runnable)tasks[4]));
508	>	assertFalse(q.contains((Runnable)tasks[4]));
509	>	assertTrue(q.contains((Runnable)tasks[3]));
510	>	assertTrue(p1.remove((Runnable)tasks[3]));
511	>	assertFalse(q.contains((Runnable)tasks[3]));
512	>	} catch (Exception e) {
513	>	unexpectedException();
514	>	} finally {
515	>	joinPool(p1);
516	>	}
517	>	}
518	>
519	>	/**
520	>	*  purge removes cancelled tasks from the queue
521	>	*/
522	>	public void testPurge() {
523	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
524	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
525	>	for (int i = 0; i < 5; i++) {
526	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
527	>	}
528	>	try {
529	>	int max = 5;
530	>	if (tasks[4].cancel(true)) --max;
531	>	if (tasks[3].cancel(true)) --max;
532	>	// There must eventually be an interference-free point at
533	>	// which purge will not fail. (At worst, when queue is empty.)
534	>	int k;
535	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
536	>	p1.purge();
537	>	long count = p1.getTaskCount();
538	>	if (count >= 0 && count <= max)
539	>	break;
540	>	Thread.sleep(1);
541	>	}
542	>	assertTrue(k < SMALL_DELAY_MS);
543	>	} catch (Exception e) {
544	>	unexpectedException();
545	>	} finally {
546	>	joinPool(p1);
547	>	}
548	>	}
549	>
550	>	/**
551	>	*  shutDownNow returns a list containing tasks that were not run
552	>	*/
553	>	public void testShutDownNow() {
554	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
555	>	for (int i = 0; i < 5; i++)
556	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
557	>	List l;
558	>	try {
559	>	l = p1.shutdownNow();
560	>	} catch (SecurityException ok) {
561	>	return;
562	>	}
563	>	assertTrue(p1.isShutdown());
564	>	assertTrue(l.size() > 0 && l.size() <= 5);
565	>	joinPool(p1);
566	>	}
567	>
568	>	/**
569	>	* In default setting, shutdown cancels periodic but not delayed
570	>	* tasks at shutdown
571	>	*/
572	>	public void testShutDown1() {
573	>	try {
574	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
575	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
576	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
577	>
578	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
579	>	for (int i = 0; i < 5; i++)
580	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
581	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
582	>	BlockingQueue q = p1.getQueue();
583	>	for (Iterator it = q.iterator(); it.hasNext();) {
584	>	ScheduledFuture t = (ScheduledFuture)it.next();
585	>	assertFalse(t.isCancelled());
586	>	}
587	>	assertTrue(p1.isShutdown());
588	>	Thread.sleep(SMALL_DELAY_MS);
589	>	for (int i = 0; i < 5; ++i) {
590	>	assertTrue(tasks[i].isDone());
591	>	assertFalse(tasks[i].isCancelled());
592	>	}
593	>
594	>	}
595	>	catch (Exception ex) {
596	>	unexpectedException();
597	>	}
598	>	}
599	>
600	>
601	>	/**
602	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
603	>	* delayed tasks are cancelled at shutdown
604	>	*/
605	>	public void testShutDown2() {
606	>	try {
607	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
608	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
609	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
610	>	for (int i = 0; i < 5; i++)
611	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
612	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
613	>	assertTrue(p1.isShutdown());
614	>	BlockingQueue q = p1.getQueue();
615	>	assertTrue(q.isEmpty());
616	>	Thread.sleep(SMALL_DELAY_MS);
617	>	assertTrue(p1.isTerminated());
618	>	}
619	>	catch (Exception ex) {
620	>	unexpectedException();
621	>	}
622	>	}
623	>
624	>
625	>	/**
626	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
627	>	* periodic tasks are not cancelled at shutdown
628	>	*/
629	>	public void testShutDown3() {
630	>	try {
631	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
632	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633	>	ScheduledFuture task =
634	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
636	>	assertTrue(p1.isShutdown());
637	>	BlockingQueue q = p1.getQueue();
638	>	assertTrue(q.isEmpty());
639	>	Thread.sleep(SHORT_DELAY_MS);
640	>	assertTrue(p1.isTerminated());
641	>	}
642	>	catch (Exception ex) {
643	>	unexpectedException();
644	>	}
645	>	}
646	>
647	>	/**
648	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
649	>	* periodic tasks are cancelled at shutdown
650	>	*/
651	>	public void testShutDown4() {
652	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
653	>	try {
654	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
655	>	ScheduledFuture task =
656	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
657	>	assertFalse(task.isCancelled());
658	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
659	>	assertFalse(task.isCancelled());
660	>	assertFalse(p1.isTerminated());
661	>	assertTrue(p1.isShutdown());
662	>	Thread.sleep(SHORT_DELAY_MS);
663	>	assertFalse(task.isCancelled());
664	>	assertTrue(task.cancel(true));
665	>	assertTrue(task.isDone());
666	>	Thread.sleep(SHORT_DELAY_MS);
667	>	assertTrue(p1.isTerminated());
668	>	}
669	>	catch (Exception ex) {
670	>	unexpectedException();
671	>	}
672	>	finally {
673	>	joinPool(p1);
674	>	}
675	>	}
676	>
677	>	/**
678	>	* completed submit of callable returns result
679	>	*/
680	>	public void testSubmitCallable() {
681	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
682	>	try {
683	>	Future<String> future = e.submit(new StringTask());
684	>	String result = future.get();
685	>	assertSame(TEST_STRING, result);
686	>	}
687	>	catch (ExecutionException ex) {
688	>	unexpectedException();
689	>	}
690	>	catch (InterruptedException ex) {
691	>	unexpectedException();
692	>	} finally {
693	>	joinPool(e);
694	>	}
695	>	}
696	>
697	>	/**
698	>	* completed submit of runnable returns successfully
699	>	*/
700	>	public void testSubmitRunnable() {
701	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
702	>	try {
703	>	Future<?> future = e.submit(new NoOpRunnable());
704	>	future.get();
705	>	assertTrue(future.isDone());
706	>	}
707	>	catch (ExecutionException ex) {
708	>	unexpectedException();
709	>	}
710	>	catch (InterruptedException ex) {
711	>	unexpectedException();
712	>	} finally {
713	>	joinPool(e);
714	>	}
715	>	}
716	>
717	>	/**
718	>	* completed submit of (runnable, result) returns result
719	>	*/
720	>	public void testSubmitRunnable2() {
721	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
722	>	try {
723	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
724	>	String result = future.get();
725	>	assertSame(TEST_STRING, result);
726	>	}
727	>	catch (ExecutionException ex) {
728	>	unexpectedException();
729	>	}
730	>	catch (InterruptedException ex) {
731	>	unexpectedException();
732	>	} finally {
733	>	joinPool(e);
734	>	}
735	>	}
736	>
737	>	/**
738	>	* invokeAny(null) throws NPE
739	>	*/
740	>	public void testInvokeAny1() {
741	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
742	>	try {
743	>	e.invokeAny(null);
744	>	} catch (NullPointerException success) {
745	>	} catch (Exception ex) {
746	>	unexpectedException();
747	>	} finally {
748	>	joinPool(e);
749	>	}
750	>	}
751	>
752	>	/**
753	>	* invokeAny(empty collection) throws IAE
754	>	*/
755	>	public void testInvokeAny2() {
756	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
757	>	try {
758	>	e.invokeAny(new ArrayList<Callable<String>>());
759	>	} catch (IllegalArgumentException success) {
760	>	} catch (Exception ex) {
761	>	unexpectedException();
762	>	} finally {
763	>	joinPool(e);
764	>	}
765	>	}
766	>
767	>	/**
768	>	* invokeAny(c) throws NPE if c has null elements
769	>	*/
770	>	public void testInvokeAny3() {
771	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772	>	try {
773	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
774	>	l.add(new StringTask());
775	>	l.add(null);
776	>	e.invokeAny(l);
777	>	} catch (NullPointerException success) {
778	>	} catch (Exception ex) {
779	>	unexpectedException();
780	>	} finally {
781	>	joinPool(e);
782	>	}
783	>	}
784	>
785	>	/**
786	>	* invokeAny(c) throws ExecutionException if no task completes
787	>	*/
788	>	public void testInvokeAny4() {
789	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
790	>	try {
791	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
792	>	l.add(new NPETask());
793	>	e.invokeAny(l);
794	>	} catch (ExecutionException success) {
795	>	} catch (Exception ex) {
796	>	unexpectedException();
797	>	} finally {
798	>	joinPool(e);
799	>	}
800	>	}
801	>
802	>	/**
803	>	* invokeAny(c) returns result of some task
804	>	*/
805	>	public void testInvokeAny5() {
806	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
807	>	try {
808	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
809	>	l.add(new StringTask());
810	>	l.add(new StringTask());
811	>	String result = e.invokeAny(l);
812	>	assertSame(TEST_STRING, result);
813	>	} catch (ExecutionException success) {
814	>	} catch (Exception ex) {
815	>	unexpectedException();
816	>	} finally {
817	>	joinPool(e);
818	>	}
819	>	}
820	>
821	>	/**
822	>	* invokeAll(null) throws NPE
823	>	*/
824	>	public void testInvokeAll1() {
825	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
826	>	try {
827	>	e.invokeAll(null);
828	>	} catch (NullPointerException success) {
829	>	} catch (Exception ex) {
830	>	unexpectedException();
831	>	} finally {
832	>	joinPool(e);
833	>	}
834	>	}
835	>
836	>	/**
837	>	* invokeAll(empty collection) returns empty collection
838	>	*/
839	>	public void testInvokeAll2() {
840	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
841	>	try {
842	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
843	>	assertTrue(r.isEmpty());
844	>	} catch (Exception ex) {
845	>	unexpectedException();
846	>	} finally {
847	>	joinPool(e);
848	>	}
849	>	}
850	>
851	>	/**
852	>	* invokeAll(c) throws NPE if c has null elements
853	>	*/
854	>	public void testInvokeAll3() {
855	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	>	try {
857	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
858	>	l.add(new StringTask());
859	>	l.add(null);
860	>	e.invokeAll(l);
861	>	} catch (NullPointerException success) {
862	>	} catch (Exception ex) {
863	>	unexpectedException();
864	>	} finally {
865	>	joinPool(e);
866	>	}
867	>	}
868	>
869	>	/**
870	>	* get of invokeAll(c) throws exception on failed task
871	>	*/
872	>	public void testInvokeAll4() {
873	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	>	try {
875	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
876	>	l.add(new NPETask());
877	>	List<Future<String>> result = e.invokeAll(l);
878	>	assertEquals(1, result.size());
879	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
880	>	it.next().get();
881	>	} catch (ExecutionException success) {
882	>	} catch (Exception ex) {
883	>	unexpectedException();
884	>	} finally {
885	>	joinPool(e);
886	>	}
887	>	}
888	>
889	>	/**
890	>	* invokeAll(c) returns results of all completed tasks
891	>	*/
892	>	public void testInvokeAll5() {
893	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	>	try {
895	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
896	>	l.add(new StringTask());
897	>	l.add(new StringTask());
898	>	List<Future<String>> result = e.invokeAll(l);
899	>	assertEquals(2, result.size());
900	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
901	>	assertSame(TEST_STRING, it.next().get());
902	>	} catch (ExecutionException success) {
903	>	} catch (Exception ex) {
904	>	unexpectedException();
905	>	} finally {
906	>	joinPool(e);
907	>	}
908	>	}
909	>
910	>	/**
911	>	* timed invokeAny(null) throws NPE
912	>	*/
913	>	public void testTimedInvokeAny1() {
914	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	>	try {
916	>	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
917	>	} catch (NullPointerException success) {
918	>	} catch (Exception ex) {
919	>	unexpectedException();
920	>	} finally {
921	>	joinPool(e);
922	>	}
923	>	}
924	>
925	>	/**
926	>	* timed invokeAny(,,null) throws NPE
927	>	*/
928	>	public void testTimedInvokeAnyNullTimeUnit() {
929	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
930	>	try {
931	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
932	>	l.add(new StringTask());
933	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
934	>	} catch (NullPointerException success) {
935	>	} catch (Exception ex) {
936	>	unexpectedException();
937	>	} finally {
938	>	joinPool(e);
939	>	}
940		}
941
942	+	/**
943	+	* timed invokeAny(empty collection) throws IAE
944	+	*/
945	+	public void testTimedInvokeAny2() {
946	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	+	try {
948	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
949	+	} catch (IllegalArgumentException success) {
950	+	} catch (Exception ex) {
951	+	unexpectedException();
952	+	} finally {
953	+	joinPool(e);
954	+	}
955	+	}
956	+
957	+	/**
958	+	* timed invokeAny(c) throws NPE if c has null elements
959	+	*/
960	+	public void testTimedInvokeAny3() {
961	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	+	try {
963	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
964	+	l.add(new StringTask());
965	+	l.add(null);
966	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
967	+	} catch (NullPointerException success) {
968	+	} catch (Exception ex) {
969	+	ex.printStackTrace();
970	+	unexpectedException();
971	+	} finally {
972	+	joinPool(e);
973	+	}
974	+	}
975	+
976	+	/**
977	+	* timed invokeAny(c) throws ExecutionException if no task completes
978	+	*/
979	+	public void testTimedInvokeAny4() {
980	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
981	+	try {
982	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
983	+	l.add(new NPETask());
984	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
985	+	} catch (ExecutionException success) {
986	+	} catch (Exception ex) {
987	+	unexpectedException();
988	+	} finally {
989	+	joinPool(e);
990	+	}
991	+	}
992	+
993	+	/**
994	+	* timed invokeAny(c) returns result of some task
995	+	*/
996	+	public void testTimedInvokeAny5() {
997	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	+	try {
999	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1000	+	l.add(new StringTask());
1001	+	l.add(new StringTask());
1002	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1003	+	assertSame(TEST_STRING, result);
1004	+	} catch (ExecutionException success) {
1005	+	} catch (Exception ex) {
1006	+	unexpectedException();
1007	+	} finally {
1008	+	joinPool(e);
1009	+	}
1010	+	}
1011	+
1012	+	/**
1013	+	* timed invokeAll(null) throws NPE
1014	+	*/
1015	+	public void testTimedInvokeAll1() {
1016	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	+	try {
1018	+	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1019	+	} catch (NullPointerException success) {
1020	+	} catch (Exception ex) {
1021	+	unexpectedException();
1022	+	} finally {
1023	+	joinPool(e);
1024	+	}
1025	+	}
1026	+
1027	+	/**
1028	+	* timed invokeAll(,,null) throws NPE
1029	+	*/
1030	+	public void testTimedInvokeAllNullTimeUnit() {
1031	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	+	try {
1033	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1034	+	l.add(new StringTask());
1035	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1036	+	} catch (NullPointerException success) {
1037	+	} catch (Exception ex) {
1038	+	unexpectedException();
1039	+	} finally {
1040	+	joinPool(e);
1041	+	}
1042	+	}
1043	+
1044	+	/**
1045	+	* timed invokeAll(empty collection) returns empty collection
1046	+	*/
1047	+	public void testTimedInvokeAll2() {
1048	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1049	+	try {
1050	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1051	+	assertTrue(r.isEmpty());
1052	+	} catch (Exception ex) {
1053	+	unexpectedException();
1054	+	} finally {
1055	+	joinPool(e);
1056	+	}
1057	+	}
1058	+
1059	+	/**
1060	+	* timed invokeAll(c) throws NPE if c has null elements
1061	+	*/
1062	+	public void testTimedInvokeAll3() {
1063	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1064	+	try {
1065	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1066	+	l.add(new StringTask());
1067	+	l.add(null);
1068	+	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1069	+	} catch (NullPointerException success) {
1070	+	} catch (Exception ex) {
1071	+	unexpectedException();
1072	+	} finally {
1073	+	joinPool(e);
1074	+	}
1075	+	}
1076	+
1077	+	/**
1078	+	* get of element of invokeAll(c) throws exception on failed task
1079	+	*/
1080	+	public void testTimedInvokeAll4() {
1081	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1082	+	try {
1083	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084	+	l.add(new NPETask());
1085	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1086	+	assertEquals(1, result.size());
1087	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1088	+	it.next().get();
1089	+	} catch (ExecutionException success) {
1090	+	} catch (Exception ex) {
1091	+	unexpectedException();
1092	+	} finally {
1093	+	joinPool(e);
1094	+	}
1095	+	}
1096	+
1097	+	/**
1098	+	* timed invokeAll(c) returns results of all completed tasks
1099	+	*/
1100	+	public void testTimedInvokeAll5() {
1101	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1102	+	try {
1103	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1104	+	l.add(new StringTask());
1105	+	l.add(new StringTask());
1106	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1107	+	assertEquals(2, result.size());
1108	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1109	+	assertSame(TEST_STRING, it.next().get());
1110	+	} catch (ExecutionException success) {
1111	+	} catch (Exception ex) {
1112	+	unexpectedException();
1113	+	} finally {
1114	+	joinPool(e);
1115	+	}
1116	+	}
1117	+
1118	+	/**
1119	+	* timed invokeAll(c) cancels tasks not completed by timeout
1120	+	*/
1121	+	public void testTimedInvokeAll6() {
1122	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	+	try {
1124	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1125	+	l.add(new StringTask());
1126	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1127	+	l.add(new StringTask());
1128	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1129	+	assertEquals(3, result.size());
1130	+	Iterator<Future<String>> it = result.iterator();
1131	+	Future<String> f1 = it.next();
1132	+	Future<String> f2 = it.next();
1133	+	Future<String> f3 = it.next();
1134	+	assertTrue(f1.isDone());
1135	+	assertTrue(f2.isDone());
1136	+	assertTrue(f3.isDone());
1137	+	assertFalse(f1.isCancelled());
1138	+	assertTrue(f2.isCancelled());
1139	+	} catch (Exception ex) {
1140	+	unexpectedException();
1141	+	} finally {
1142	+	joinPool(e);
1143	+	}
1144	+	}
1145	+
1146	+
1147		}

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