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

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