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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 1.21 by dl, Thu Jan 22 15:17:35 2004 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());
17		}
19	–
20	–
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
20		}
21
25	–	private static long SHORT_DELAY_MS = 100;
26	–	private static long MEDIUM_DELAY_MS = 1000;
27	–	private static long LONG_DELAY_MS = 10000;
28	–
29	–	static class MyRunnable implements Runnable {
30	–	volatile boolean waiting = true;
31	–	volatile boolean done = false;
32	–	public void run(){
33	–	try{
34	–	Thread.sleep(MEDIUM_DELAY_MS);
35	–	waiting = false;
36	–	done = true;
37	–	} catch(Exception e){}
38	–	}
39	–	}
40	–
41	–	static class MyCallable implements Callable {
42	–	volatile boolean waiting = true;
43	–	volatile boolean done = false;
44	–	public Object call(){
45	–	try{
46	–	Thread.sleep(MEDIUM_DELAY_MS);
47	–	waiting = false;
48	–	done = true;
49	–	}catch(Exception e){}
50	–	return Boolean.TRUE;
51	–	}
52	–	}
22
23		/**
24	<	*  Test to verify execute successfully runs the given Runnable
25	<	*/
26	<	public void testExecute(){
27	<	try{
28	<	MyRunnable runnable =new MyRunnable();
29	<	ScheduledExecutor one = new ScheduledExecutor(1);
30	<	one.execute(runnable);
31	<	Thread.sleep(100);
32	<	assertTrue(runnable.waiting);
33	<	one.shutdown();
34	<	// make sure the Runnable has time to complete
35	<	try{Thread.sleep(1010);}catch(InterruptedException e){}
36	<	assertFalse(runnable.waiting);
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	>	} catch(InterruptedException e){
37	>	unexpectedException();
38	>	}
39		assertTrue(runnable.done);
40	<	one.shutdown();
40	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41	>	joinPool(p1);
42		}
43		catch(Exception e){
44	<	fail("unexpected exception");
44	>	unexpectedException();
45		}
46	+
47		}
48
49	+
50		/**
51	<	*  Test to verify schedule successfully runs the given Callable.
78	<	*  The waiting flag shows that the Callable is not started until
79	<	*  immediately.
51	>	* delayed schedule of callable successfully executes after delay
52		*/
53	<	public void testSchedule1(){
54	<	try{
55	<	MyCallable callable = new MyCallable();
56	<	ScheduledExecutor one = new ScheduledExecutor(1);
57	<	Future f = one.schedule(callable, 500, TimeUnit.MILLISECONDS);
58	<	//      Thread.sleep(505);
59	<	assertTrue(callable.waiting);
88	<	Thread.sleep(2000);
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	<	one.shutdown();
63	<	}catch(RejectedExecutionException e){}
64	<	catch(Exception e){}
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	<	*  Another version of schedule, only using Runnable instead of Callable
73	<	*/
74	<	public void testSchedule3(){
75	<	try{
76	<	MyRunnable runnable = new MyRunnable();
77	<	ScheduledExecutor one = new ScheduledExecutor(1);
78	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
79	<	Thread.sleep(50);
80	<	assertTrue(runnable.waiting);
81	<	Thread.sleep(2000);
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();
83	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
84	>	joinPool(p1);
85		} catch(Exception e){
86	<	fail("unexpected exception");
86	>	unexpectedException();
87		}
88		}
89
90		/**
91	<	*  The final version of schedule, using both long, TimeUnit and Runnable
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule4(){
94	<	try{
95	<	MyRunnable runnable = new MyRunnable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
98	<	//      Thread.sleep(505);
99	<	assertTrue(runnable.waiting);
124	<	Thread.sleep(2000);
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	<	one.shutdown();
101	>	h.cancel(true);
102	>	joinPool(p1);
103		} catch(Exception e){
104	<	fail("unexpected exception");
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	>	* 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	>	h.cancel(true);
125	>	joinPool(p1);
126	>	} catch(Exception e){
127	>	unexpectedException();
128		}
129		}
130
131	<
132	<	// exception tests
131	>	/**
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133	>	*/
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	>	* scheduleWithFixedDelay executes series of tasks with given period
155	>	*/
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	>	*  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	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
137	<	*  This occurs on an attempt to schedule a task on a shutdown executor
192	>	* schedule (null) throws NPE
193		*/
194	<	public void testSchedule1_RejectedExecutionException(){
195	<	try{
196	<	ScheduledExecutor se = new ScheduledExecutor(1);
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	>	* execute throws RejectedExecutionException if shutdown
209	>	*/
210	>	public void testSchedule1_RejectedExecutionException() {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212	>	try {
213		se.shutdown();
214	<	se.schedule(new Runnable(){
215	<	public void run(){}
216	<	}, 10000, TimeUnit.MILLISECONDS);
217	<	fail("shoud throw");
218	<	}catch(RejectedExecutionException e){}
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	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
152	<	*  This occurs on an attempt to schedule a task on a shutdown executor
226	>	* schedule throws RejectedExecutionException if shutdown
227		*/
228	<	public void testSchedule2_RejectedExecutionException(){
229	<	try{
230	<	ScheduledExecutor se = new ScheduledExecutor(1);
228	>	public void testSchedule2_RejectedExecutionException() {
229	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	>	try {
231		se.shutdown();
232	<	se.schedule(new Callable(){
233	<	public Object call(){
234	<	return Boolean.TRUE;
235	<	}
236	<	}, (long)100, TimeUnit.SECONDS);
237	<	fail("should throw");
238	<	}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 schedule(Callable, long) throws RejectedExecutionException
243	<	*  This occurs on an attempt to schedule a task on a shutdown executor
244	<	*/
245	<	public void testSchedule3_RejectedExecutionException(){
246	<	try{
173	<	ScheduledExecutor se = new ScheduledExecutor(1);
242	>	* schedule callable throws RejectedExecutionException if shutdown
243	>	*/
244	>	public void testSchedule3_RejectedExecutionException() {
245	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
246	>	try {
247		se.shutdown();
248	<	se.schedule(new Callable(){
249	<	public Object call(){
250	<	return Boolean.TRUE;
251	<	}
252	<	},  10000, TimeUnit.MILLISECONDS);
253	<	fail("should throw");
254	<	}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 scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
259	<	*  RejectedExecutionException.
260	<	*  This occurs on an attempt to schedule a task on a shutdown executor
261	<	*/
262	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
190	<	try{
191	<	ScheduledExecutor se = new ScheduledExecutor(1);
258	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
259	>	*/
260	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
261	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	>	try {
263		se.shutdown();
264	<	se.scheduleAtFixedRate(new Runnable(){
265	<	public void run(){}
266	<	}, 100, 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 scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
275	<	*  RejectedExecutionException.
276	<	*  This occurs on an attempt to schedule a task on a shutdown executor
277	<	*/
278	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
206	<	try{
207	<	ScheduledExecutor se = new ScheduledExecutor(1);
274	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
275	>	*/
276	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280	<	se.scheduleAtFixedRate(new Runnable(){
281	<	public void run(){}
282	<	},  1, 100, TimeUnit.SECONDS);
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	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
291	<	*  RejectedExecutionException.
219	<	*  This occurs on an attempt to schedule a task on a shutdown executor
290	>	*  getActiveCount increases but doesn't overestimate, when a
291	>	*  thread becomes active
292		*/
293	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
294	<	try{
295	<	ScheduledExecutor se = new ScheduledExecutor(1);
296	<	se.shutdown();
297	<	se.scheduleWithFixedDelay(new Runnable(){
298	<	public void run(){}
299	<	}, 100, 100, TimeUnit.SECONDS);
300	<	fail("should throw");
301	<	}catch(RejectedExecutionException e){}
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	<	*  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
416	>	*   is isShutDown is false before shutdown, true after
417		*/
418	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
419	<	try{
420	<	ScheduledExecutor se = new ScheduledExecutor(1);
421	<	se.shutdown();
422	<	se.scheduleWithFixedDelay(new Runnable(){
423	<	public void run(){}
424	<	},  1, 100, TimeUnit.SECONDS);
425	<	fail("should throw");
426	<	}catch(RejectedExecutionException e){}
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	<	*  Test to verify execute throws RejectedExecutionException
250	<	*  This occurs on an attempt to schedule a task on a shutdown executor
432	>	*   isTerminated is false before termination, true after
433		*/
434	<	public void testExecute_RejectedExecutionException(){
435	<	try{
436	<	ScheduledExecutor se = new ScheduledExecutor(1);
437	<	se.shutdown();
438	<	se.execute(new Runnable(){
439	<	public void run(){}
440	<	});
441	<	fail("should throw");
442	<	}catch(RejectedExecutionException e){}
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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