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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 1.11 by dl, Tue Dec 23 19:40:24 2003 UTC

#	Line 9 | Line 9 | import junit.framework.*;
9		import java.util.*;
10		import java.util.concurrent.*;
11
12	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
12	>	public class ScheduledExecutorTest extends JSR166TestCase {
13		public static void main(String[] args) {
14		junit.textui.TestRunner.run (suite());
15		}
19	–
20	–
16		public static Test suite() {
17		return new TestSuite(ScheduledExecutorTest.class);
18		}
19
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	–	}
20
21		/**
22	<	*  Test to verify execute successfully runs the given Runnable
23	<	*/
24	<	public void testExecute(){
25	<	try{
26	<	MyRunnable runnable =new MyRunnable();
27	<	ScheduledExecutor one = new ScheduledExecutor(1);
28	<	one.execute(runnable);
29	<	Thread.sleep(100);
30	<	assertTrue(runnable.waiting);
31	<	one.shutdown();
32	<	// make sure the Runnable has time to complete
33	<	try{Thread.sleep(1010);}catch(InterruptedException e){}
34	<	assertFalse(runnable.waiting);
22	>	* execute successfully executes a runnable
23	>	*/
24	>	public void testExecute() {
25	>	try {
26	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
27	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
28	>	p1.execute(runnable);
29	>	assertFalse(runnable.done);
30	>	Thread.sleep(SHORT_DELAY_MS);
31	>	p1.shutdown();
32	>	try {
33	>	Thread.sleep(MEDIUM_DELAY_MS);
34	>	} catch(InterruptedException e){
35	>	unexpectedException();
36	>	}
37		assertTrue(runnable.done);
38	<	one.shutdown();
38	>	p1.shutdown();
39	>	joinPool(p1);
40		}
41		catch(Exception e){
42	<	fail("unexpected exception");
42	>	unexpectedException();
43		}
44	+
45		}
46
47	+
48		/**
49	<	*  Test to verify schedule successfully runs the given Callable.
78	<	*  The waiting flag shows that the Callable is not started until
79	<	*  immediately.
49	>	* delayed schedule of callable successfully executes after delay
50		*/
51	<	public void testSchedule1(){
52	<	try{
53	<	MyCallable callable = new MyCallable();
54	<	ScheduledExecutor one = new ScheduledExecutor(1);
55	<	Future f = one.schedule(callable, 500, TimeUnit.MILLISECONDS);
56	<	//      Thread.sleep(505);
57	<	assertTrue(callable.waiting);
88	<	Thread.sleep(2000);
51	>	public void testSchedule1() {
52	>	try {
53	>	TrackedCallable callable = new TrackedCallable();
54	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
55	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
56	>	assertFalse(callable.done);
57	>	Thread.sleep(MEDIUM_DELAY_MS);
58		assertTrue(callable.done);
59		assertEquals(Boolean.TRUE, f.get());
60	<	one.shutdown();
61	<	}catch(RejectedExecutionException e){}
62	<	catch(Exception e){}
60	>	p1.shutdown();
61	>	joinPool(p1);
62	>	} catch(RejectedExecutionException e){}
63	>	catch(Exception e){
64	>	e.printStackTrace();
65	>	unexpectedException();
66	>	}
67		}
68
69		/**
70	<	*  Another version of schedule, only using Runnable instead of Callable
71	<	*/
72	<	public void testSchedule3(){
73	<	try{
74	<	MyRunnable runnable = new MyRunnable();
75	<	ScheduledExecutor one = new ScheduledExecutor(1);
76	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
77	<	Thread.sleep(50);
78	<	assertTrue(runnable.waiting);
79	<	Thread.sleep(2000);
70	>	*  delayed schedule of runnable successfully executes after delay
71	>	*/
72	>	public void testSchedule3() {
73	>	try {
74	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
75	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
76	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
77	>	Thread.sleep(SHORT_DELAY_MS);
78	>	assertFalse(runnable.done);
79	>	Thread.sleep(MEDIUM_DELAY_MS);
80		assertTrue(runnable.done);
81	<	one.shutdown();
81	>	p1.shutdown();
82	>	joinPool(p1);
83		} catch(Exception e){
84	<	fail("unexpected exception");
84	>	unexpectedException();
85		}
86		}
87
88		/**
89	<	*  The final version of schedule, using both long, TimeUnit and Runnable
89	>	* scheduleAtFixedRate executes runnable after given initial delay
90		*/
91	<	public void testSchedule4(){
92	<	try{
93	<	MyRunnable runnable = new MyRunnable();
94	<	ScheduledExecutor one = new ScheduledExecutor(1);
95	<	one.schedule(runnable, 500, TimeUnit.MILLISECONDS);
96	<	//      Thread.sleep(505);
97	<	assertTrue(runnable.waiting);
124	<	Thread.sleep(2000);
91	>	public void testSchedule4() {
92	>	try {
93	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
94	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
95	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
96	>	assertFalse(runnable.done);
97	>	Thread.sleep(MEDIUM_DELAY_MS);
98		assertTrue(runnable.done);
99	<	one.shutdown();
99	>	h.cancel(true);
100	>	p1.shutdown();
101	>	joinPool(p1);
102		} catch(Exception e){
103	<	fail("unexpected exception");
103	>	unexpectedException();
104	>	}
105	>	}
106	>
107	>	/**
108	>	* scheduleWithFixedDelay executes runnable after given initial delay
109	>	*/
110	>	public void testSchedule5() {
111	>	try {
112	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
113	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
114	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
115	>	assertFalse(runnable.done);
116	>	Thread.sleep(MEDIUM_DELAY_MS);
117	>	assertTrue(runnable.done);
118	>	h.cancel(true);
119	>	p1.shutdown();
120	>	joinPool(p1);
121	>	} catch(Exception e){
122	>	unexpectedException();
123		}
124		}
125
126	<
127	<	// exception tests
126	>	/**
127	>	*  execute (null) throws NPE
128	>	*/
129	>	public void testExecuteNull() {
130	>	ScheduledThreadPoolExecutor se = null;
131	>	try {
132	>	se = new ScheduledThreadPoolExecutor(1);
133	>	se.execute(null);
134	>	shouldThrow();
135	>	} catch(NullPointerException success){}
136	>	catch(Exception e){
137	>	unexpectedException();
138	>	}
139	>
140	>	joinPool(se);
141	>	}
142
143		/**
144	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
145	<	*  This occurs on an attempt to schedule a task on a shutdown executor
144	>	* schedule (null) throws NPE
145	>	*/
146	>	public void testScheduleNull() {
147	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
148	>	try {
149	>	TrackedCallable callable = null;
150	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
151	>	shouldThrow();
152	>	} catch(NullPointerException success){}
153	>	catch(Exception e){
154	>	unexpectedException();
155	>	}
156	>	joinPool(se);
157	>	}
158	>
159	>	/**
160	>	* execute throws RejectedExecutionException if shutdown
161		*/
162	<	public void testSchedule1_RejectedExecutionException(){
163	<	try{
164	<	ScheduledExecutor se = new ScheduledExecutor(1);
162	>	public void testSchedule1_RejectedExecutionException() {
163	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
164	>	try {
165		se.shutdown();
166	<	se.schedule(new Runnable(){
167	<	public void run(){}
168	<	}, 10000, TimeUnit.MILLISECONDS);
169	<	fail("shoud throw");
170	<	}catch(RejectedExecutionException e){}
166	>	se.schedule(new NoOpRunnable(),
167	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
168	>	shouldThrow();
169	>	} catch(RejectedExecutionException success){
170	>	}
171	>	joinPool(se);
172	>
173		}
174
175		/**
176	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
152	<	*  This occurs on an attempt to schedule a task on a shutdown executor
176	>	* schedule throws RejectedExecutionException if shutdown
177		*/
178	<	public void testSchedule2_RejectedExecutionException(){
179	<	try{
180	<	ScheduledExecutor se = new ScheduledExecutor(1);
178	>	public void testSchedule2_RejectedExecutionException() {
179	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
180	>	try {
181		se.shutdown();
182	<	se.schedule(new Callable(){
183	<	public Object call(){
184	<	return Boolean.TRUE;
185	<	}
186	<	}, (long)100, TimeUnit.SECONDS);
187	<	fail("should throw");
164	<	}catch(RejectedExecutionException e){}
182	>	se.schedule(new NoOpCallable(),
183	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
184	>	shouldThrow();
185	>	} catch(RejectedExecutionException success){
186	>	}
187	>	joinPool(se);
188		}
189
190		/**
191	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
192	<	*  This occurs on an attempt to schedule a task on a shutdown executor
193	<	*/
194	<	public void testSchedule3_RejectedExecutionException(){
195	<	try{
173	<	ScheduledExecutor se = new ScheduledExecutor(1);
191	>	* schedule callable throws RejectedExecutionException if shutdown
192	>	*/
193	>	public void testSchedule3_RejectedExecutionException() {
194	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
195	>	try {
196		se.shutdown();
197	<	se.schedule(new Callable(){
198	<	public Object call(){
199	<	return Boolean.TRUE;
200	<	}
201	<	},  10000, TimeUnit.MILLISECONDS);
202	<	fail("should throw");
181	<	}catch(RejectedExecutionException e){}
197	>	se.schedule(new NoOpCallable(),
198	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
199	>	shouldThrow();
200	>	} catch(RejectedExecutionException success){
201	>	}
202	>	joinPool(se);
203		}
204
205		/**
206	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
207	<	*  RejectedExecutionException.
208	<	*  This occurs on an attempt to schedule a task on a shutdown executor
209	<	*/
210	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
190	<	try{
191	<	ScheduledExecutor se = new ScheduledExecutor(1);
206	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
207	>	*/
208	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
209	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
210	>	try {
211		se.shutdown();
212	<	se.scheduleAtFixedRate(new Runnable(){
213	<	public void run(){}
214	<	}, 100, 100, TimeUnit.SECONDS);
215	<	fail("should throw");
216	<	}catch(RejectedExecutionException e){}
212	>	se.scheduleAtFixedRate(new NoOpRunnable(),
213	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
214	>	shouldThrow();
215	>	} catch(RejectedExecutionException success){
216	>	}
217	>	joinPool(se);
218		}
219
220		/**
221	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
202	<	*  RejectedExecutionException.
203	<	*  This occurs on an attempt to schedule a task on a shutdown executor
221	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
222		*/
223	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
224	<	try{
225	<	ScheduledExecutor se = new ScheduledExecutor(1);
223	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
224	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
225	>	try {
226		se.shutdown();
227	<	se.scheduleAtFixedRate(new Runnable(){
228	<	public void run(){}
229	<	},  1, 100, TimeUnit.SECONDS);
230	<	fail("should throw");
231	<	}catch(RejectedExecutionException e){}
227	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
228	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
229	>	shouldThrow();
230	>	} catch(RejectedExecutionException success){
231	>	}
232	>	joinPool(se);
233		}
234
235		/**
236	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
237	<	*  RejectedExecutionException.
219	<	*  This occurs on an attempt to schedule a task on a shutdown executor
236	>	*  getActiveCount increases but doesn't overestimate, when a
237	>	*  thread becomes active
238		*/
239	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
240	<	try{
241	<	ScheduledExecutor se = new ScheduledExecutor(1);
242	<	se.shutdown();
243	<	se.scheduleWithFixedDelay(new Runnable(){
244	<	public void run(){}
245	<	}, 100, 100, TimeUnit.SECONDS);
246	<	fail("should throw");
247	<	}catch(RejectedExecutionException e){}
239	>	public void testGetActiveCount() {
240	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
241	>	assertEquals(0, p2.getActiveCount());
242	>	p2.execute(new SmallRunnable());
243	>	try {
244	>	Thread.sleep(SHORT_DELAY_MS);
245	>	} catch(Exception e){
246	>	unexpectedException();
247	>	}
248	>	assertEquals(1, p2.getActiveCount());
249	>	joinPool(p2);
250	>	}
251	>
252	>	/**
253	>	*    getCompletedTaskCount increases, but doesn't overestimate,
254	>	*   when tasks complete
255	>	*/
256	>	public void testGetCompletedTaskCount() {
257	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
258	>	assertEquals(0, p2.getCompletedTaskCount());
259	>	p2.execute(new SmallRunnable());
260	>	try {
261	>	Thread.sleep(MEDIUM_DELAY_MS);
262	>	} catch(Exception e){
263	>	unexpectedException();
264	>	}
265	>	assertEquals(1, p2.getCompletedTaskCount());
266	>	joinPool(p2);
267	>	}
268	>
269	>	/**
270	>	*  getCorePoolSize returns size given in constructor if not otherwise set
271	>	*/
272	>	public void testGetCorePoolSize() {
273	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
274	>	assertEquals(1, p1.getCorePoolSize());
275	>	joinPool(p1);
276	>	}
277	>
278	>	/**
279	>	*    getLargestPoolSize increases, but doesn't overestimate, when
280	>	*   multiple threads active
281	>	*/
282	>	public void testGetLargestPoolSize() {
283	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
284	>	assertEquals(0, p2.getLargestPoolSize());
285	>	p2.execute(new SmallRunnable());
286	>	p2.execute(new SmallRunnable());
287	>	try {
288	>	Thread.sleep(SHORT_DELAY_MS);
289	>	} catch(Exception e){
290	>	unexpectedException();
291	>	}
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() {
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() {
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	>	try {
318	>	Thread.sleep(SHORT_DELAY_MS);
319	>	} catch(Exception e){
320	>	unexpectedException();
321	>	}
322	>	assertEquals(5, p1.getTaskCount());
323	>	joinPool(p1);
324		}
325
326	+	/**
327	+	* getThreadFactory returns factory in constructor if not set
328	+	*/
329	+	public void testGetThreadFactory() {
330	+	ThreadFactory tf = new SimpleThreadFactory();
331	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
332	+	assertSame(tf, p.getThreadFactory());
333	+	p.shutdown();
334	+	joinPool(p);
335	+	}
336	+
337	+	/**
338	+	* setThreadFactory sets the thread factory returned by getThreadFactory
339	+	*/
340	+	public void testSetThreadFactory() {
341	+	ThreadFactory tf = new SimpleThreadFactory();
342	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
343	+	p.setThreadFactory(tf);
344	+	assertSame(tf, p.getThreadFactory());
345	+	p.shutdown();
346	+	joinPool(p);
347	+	}
348	+
349	+	/**
350	+	* setThreadFactory(null) throws NPE
351	+	*/
352	+	public void testSetThreadFactoryNull() {
353	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
354	+	try {
355	+	p.setThreadFactory(null);
356	+	shouldThrow();
357	+	} catch (NullPointerException success) {
358	+	} finally {
359	+	joinPool(p);
360	+	}
361	+	}
362	+
363		/**
364	<	*  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
364	>	*   is isShutDown is false before shutdown, true after
365		*/
366	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
367	<	try{
368	<	ScheduledExecutor se = new ScheduledExecutor(1);
369	<	se.shutdown();
370	<	se.scheduleWithFixedDelay(new Runnable(){
371	<	public void run(){}
372	<	},  1, 100, TimeUnit.SECONDS);
373	<	fail("should throw");
374	<	}catch(RejectedExecutionException e){}
366	>	public void testIsShutdown() {
367	>
368	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
369	>	try {
370	>	assertFalse(p1.isShutdown());
371	>	}
372	>	finally {
373	>	p1.shutdown();
374	>	}
375	>	assertTrue(p1.isShutdown());
376		}
377
378	+
379		/**
380	<	*  Test to verify execute throws RejectedExecutionException
250	<	*  This occurs on an attempt to schedule a task on a shutdown executor
380	>	*   isTerminated is false before termination, true after
381		*/
382	<	public void testExecute_RejectedExecutionException(){
383	<	try{
384	<	ScheduledExecutor se = new ScheduledExecutor(1);
385	<	se.shutdown();
386	<	se.execute(new Runnable(){
387	<	public void run(){}
388	<	});
389	<	fail("should throw");
390	<	}catch(RejectedExecutionException e){}
382	>	public void testIsTerminated() {
383	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
384	>	try {
385	>	p1.execute(new SmallRunnable());
386	>	} finally {
387	>	p1.shutdown();
388	>	}
389	>	try {
390	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	>	assertTrue(p1.isTerminated());
392	>	} catch(Exception e){
393	>	unexpectedException();
394	>	}
395	>	}
396	>
397	>	/**
398	>	*  isTerminating is not true when running or when terminated
399	>	*/
400	>	public void testIsTerminating() {
401	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
402	>	assertFalse(p1.isTerminating());
403	>	try {
404	>	p1.execute(new SmallRunnable());
405	>	assertFalse(p1.isTerminating());
406	>	} finally {
407	>	p1.shutdown();
408	>	}
409	>	try {
410	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
411	>	assertTrue(p1.isTerminated());
412	>	assertFalse(p1.isTerminating());
413	>	} catch(Exception e){
414	>	unexpectedException();
415	>	}
416	>	}
417	>
418	>	/**
419	>	* getQueue returns the work queue, which contains queued tasks
420	>	*/
421	>	public void testGetQueue() {
422	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
423	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
424	>	for(int i = 0; i < 5; i++){
425	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	>	}
427	>	try {
428	>	Thread.sleep(SHORT_DELAY_MS);
429	>	BlockingQueue<Runnable> q = p1.getQueue();
430	>	assertTrue(q.contains(tasks[4]));
431	>	assertFalse(q.contains(tasks[0]));
432	>	p1.shutdownNow();
433	>	} catch(Exception e) {
434	>	unexpectedException();
435	>	} finally {
436	>	joinPool(p1);
437	>	}
438	>	}
439	>
440	>	/**
441	>	* remove(task) removes queued task, and fails to remove active task
442	>	*/
443	>	public void testRemove() {
444	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
445	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
446	>	for(int i = 0; i < 5; i++){
447	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	>	}
449	>	try {
450	>	Thread.sleep(SHORT_DELAY_MS);
451	>	BlockingQueue<Runnable> q = p1.getQueue();
452	>	assertFalse(p1.remove((Runnable)tasks[0]));
453	>	assertTrue(q.contains((Runnable)tasks[4]));
454	>	assertTrue(q.contains((Runnable)tasks[3]));
455	>	assertTrue(p1.remove((Runnable)tasks[4]));
456	>	assertFalse(p1.remove((Runnable)tasks[4]));
457	>	assertFalse(q.contains((Runnable)tasks[4]));
458	>	assertTrue(q.contains((Runnable)tasks[3]));
459	>	assertTrue(p1.remove((Runnable)tasks[3]));
460	>	assertFalse(q.contains((Runnable)tasks[3]));
461	>	p1.shutdownNow();
462	>	} catch(Exception e) {
463	>	unexpectedException();
464	>	} finally {
465	>	joinPool(p1);
466	>	}
467	>	}
468	>
469	>	/**
470	>	*  purge removes cancelled tasks from the queue
471	>	*/
472	>	public void testPurge() {
473	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
474	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
475	>	for(int i = 0; i < 5; i++){
476	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
477	>	}
478	>	int max = 5;
479	>	if (tasks[4].cancel(true)) --max;
480	>	if (tasks[3].cancel(true)) --max;
481	>	p1.purge();
482	>	long count = p1.getTaskCount();
483	>	assertTrue(count > 0 && count <= max);
484	>	joinPool(p1);
485	>	}
486	>
487	>	/**
488	>	*  shutDownNow returns a list containing tasks that were not run
489	>	*/
490	>	public void testShutDownNow() {
491	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
492	>	for(int i = 0; i < 5; i++)
493	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
494	>	List l = p1.shutdownNow();
495	>	assertTrue(p1.isShutdown());
496	>	assertTrue(l.size() > 0 && l.size() <= 5);
497	>	joinPool(p1);
498	>	}
499	>
500	>	/**
501	>	* In default setting, shutdown cancels periodic but not delayed
502	>	* tasks at shutdown
503	>	*/
504	>	public void testShutDown1() {
505	>	try {
506	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
507	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
509	>
510	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
511	>	for(int i = 0; i < 5; i++)
512	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
513	>	p1.shutdown();
514	>	BlockingQueue q = p1.getQueue();
515	>	for (Iterator it = q.iterator(); it.hasNext();) {
516	>	ScheduledFuture t = (ScheduledFuture)it.next();
517	>	assertFalse(t.isCancelled());
518	>	}
519	>	assertTrue(p1.isShutdown());
520	>	Thread.sleep(SMALL_DELAY_MS);
521	>	for (int i = 0; i < 5; ++i) {
522	>	assertTrue(tasks[i].isDone());
523	>	assertFalse(tasks[i].isCancelled());
524	>	}
525	>
526	>	}
527	>	catch(Exception ex) {
528	>	unexpectedException();
529	>	}
530	>	}
531	>
532	>
533	>	/**
534	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
535	>	* delayed tasks are cancelled at shutdown
536	>	*/
537	>	public void testShutDown2() {
538	>	try {
539	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
540	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
541	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
542	>	for(int i = 0; i < 5; i++)
543	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
544	>	p1.shutdown();
545	>	assertTrue(p1.isShutdown());
546	>	BlockingQueue q = p1.getQueue();
547	>	assertTrue(q.isEmpty());
548	>	Thread.sleep(SMALL_DELAY_MS);
549	>	assertTrue(p1.isTerminated());
550	>	}
551	>	catch(Exception ex) {
552	>	unexpectedException();
553	>	}
554	>	}
555	>
556	>
557	>	/**
558	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
559	>	* periodic tasks are not cancelled at shutdown
560	>	*/
561	>	public void testShutDown3() {
562	>	try {
563	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
564	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
565	>	ScheduledFuture task =
566	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
567	>	p1.shutdown();
568	>	assertTrue(p1.isShutdown());
569	>	BlockingQueue q = p1.getQueue();
570	>	assertTrue(q.isEmpty());
571	>	Thread.sleep(SHORT_DELAY_MS);
572	>	assertTrue(p1.isTerminated());
573	>	}
574	>	catch(Exception ex) {
575	>	unexpectedException();
576	>	}
577	>	}
578	>
579	>	/**
580	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
581	>	* periodic tasks are cancelled at shutdown
582	>	*/
583	>	public void testShutDown4() {
584	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
585	>	try {
586	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
587	>	ScheduledFuture task =
588	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
589	>	assertFalse(task.isCancelled());
590	>	p1.shutdown();
591	>	assertFalse(task.isCancelled());
592	>	assertFalse(p1.isTerminated());
593	>	assertTrue(p1.isShutdown());
594	>	Thread.sleep(SHORT_DELAY_MS);
595	>	assertFalse(task.isCancelled());
596	>	task.cancel(true);
597	>	assertTrue(task.isCancelled());
598	>	Thread.sleep(SHORT_DELAY_MS);
599	>	assertTrue(p1.isTerminated());
600	>	}
601	>	catch(Exception ex) {
602	>	unexpectedException();
603	>	}
604	>	finally {
605	>	p1.shutdownNow();
606	>	}
607	>	}
608	>
609	>	/**
610	>	* completed submit of callable returns result
611	>	*/
612	>	public void testSubmitCallable() {
613	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
614	>	try {
615	>	Future<String> future = e.submit(new StringTask());
616	>	String result = future.get();
617	>	assertSame(TEST_STRING, result);
618	>	}
619	>	catch (ExecutionException ex) {
620	>	unexpectedException();
621	>	}
622	>	catch (InterruptedException ex) {
623	>	unexpectedException();
624	>	} finally {
625	>	joinPool(e);
626	>	}
627	>	}
628	>
629	>	/**
630	>	* completed submit of runnable returns successfully
631	>	*/
632	>	public void testSubmitRunnable() {
633	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
634	>	try {
635	>	Future<?> future = e.submit(new NoOpRunnable());
636	>	future.get();
637	>	assertTrue(future.isDone());
638	>	}
639	>	catch (ExecutionException ex) {
640	>	unexpectedException();
641	>	}
642	>	catch (InterruptedException ex) {
643	>	unexpectedException();
644	>	} finally {
645	>	joinPool(e);
646	>	}
647	>	}
648	>
649	>	/**
650	>	* completed submit of (runnable, result) returns result
651	>	*/
652	>	public void testSubmitRunnable2() {
653	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
654	>	try {
655	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
656	>	String result = future.get();
657	>	assertSame(TEST_STRING, result);
658	>	}
659	>	catch (ExecutionException ex) {
660	>	unexpectedException();
661	>	}
662	>	catch (InterruptedException ex) {
663	>	unexpectedException();
664	>	} finally {
665	>	joinPool(e);
666	>	}
667	>	}
668	>
669	>
670	>
671	>
672	>
673	>	/**
674	>	* invokeAny(null) throws NPE
675	>	*/
676	>	public void testInvokeAny1() {
677	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
678	>	try {
679	>	e.invokeAny(null);
680	>	} catch (NullPointerException success) {
681	>	} catch(Exception ex) {
682	>	unexpectedException();
683	>	} finally {
684	>	joinPool(e);
685	>	}
686	>	}
687	>
688	>	/**
689	>	* invokeAny(empty collection) throws IAE
690	>	*/
691	>	public void testInvokeAny2() {
692	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
693	>	try {
694	>	e.invokeAny(new ArrayList<Callable<String>>());
695	>	} catch (IllegalArgumentException success) {
696	>	} catch(Exception ex) {
697	>	unexpectedException();
698	>	} finally {
699	>	joinPool(e);
700	>	}
701	>	}
702	>
703	>	/**
704	>	* invokeAny(c) throws NPE if c has null elements
705	>	*/
706	>	public void testInvokeAny3() {
707	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
708	>	try {
709	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	>	l.add(new StringTask());
711	>	l.add(null);
712	>	e.invokeAny(l);
713	>	} catch (NullPointerException success) {
714	>	} catch(Exception ex) {
715	>	unexpectedException();
716	>	} finally {
717	>	joinPool(e);
718	>	}
719	>	}
720	>
721	>	/**
722	>	* invokeAny(c) throws ExecutionException if no task completes
723	>	*/
724	>	public void testInvokeAny4() {
725	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
726	>	try {
727	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	>	l.add(new NPETask());
729	>	e.invokeAny(l);
730	>	} catch (ExecutionException success) {
731	>	} catch(Exception ex) {
732	>	unexpectedException();
733	>	} finally {
734	>	joinPool(e);
735	>	}
736	>	}
737	>
738	>	/**
739	>	* invokeAny(c) returns result of some task
740	>	*/
741	>	public void testInvokeAny5() {
742	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
743	>	try {
744	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
745	>	l.add(new StringTask());
746	>	l.add(new StringTask());
747	>	String result = e.invokeAny(l);
748	>	assertSame(TEST_STRING, result);
749	>	} catch (ExecutionException success) {
750	>	} catch(Exception ex) {
751	>	unexpectedException();
752	>	} finally {
753	>	joinPool(e);
754	>	}
755	>	}
756	>
757	>	/**
758	>	* invokeAll(null) throws NPE
759	>	*/
760	>	public void testInvokeAll1() {
761	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
762	>	try {
763	>	e.invokeAll(null);
764	>	} catch (NullPointerException success) {
765	>	} catch(Exception ex) {
766	>	unexpectedException();
767	>	} finally {
768	>	joinPool(e);
769	>	}
770	>	}
771	>
772	>	/**
773	>	* invokeAll(empty collection) returns empty collection
774	>	*/
775	>	public void testInvokeAll2() {
776	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
777	>	try {
778	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
779	>	assertTrue(r.isEmpty());
780	>	} catch(Exception ex) {
781	>	unexpectedException();
782	>	} finally {
783	>	joinPool(e);
784	>	}
785	>	}
786	>
787	>	/**
788	>	* invokeAll(c) throws NPE if c has null elements
789	>	*/
790	>	public void testInvokeAll3() {
791	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
792	>	try {
793	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	>	l.add(new StringTask());
795	>	l.add(null);
796	>	e.invokeAll(l);
797	>	} catch (NullPointerException success) {
798	>	} catch(Exception ex) {
799	>	unexpectedException();
800	>	} finally {
801	>	joinPool(e);
802	>	}
803	>	}
804	>
805	>	/**
806	>	* get of invokeAll(c) throws exception on failed task
807	>	*/
808	>	public void testInvokeAll4() {
809	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
810	>	try {
811	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
812	>	l.add(new NPETask());
813	>	List<Future<String>> result = e.invokeAll(l);
814	>	assertEquals(1, result.size());
815	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
816	>	it.next().get();
817	>	} catch(ExecutionException success) {
818	>	} catch(Exception ex) {
819	>	unexpectedException();
820	>	} finally {
821	>	joinPool(e);
822	>	}
823	>	}
824	>
825	>	/**
826	>	* invokeAll(c) returns results of all completed tasks
827	>	*/
828	>	public void testInvokeAll5() {
829	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
830	>	try {
831	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
832	>	l.add(new StringTask());
833	>	l.add(new StringTask());
834	>	List<Future<String>> result = e.invokeAll(l);
835	>	assertEquals(2, result.size());
836	>	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
837	>	assertSame(TEST_STRING, it.next().get());
838	>	} catch (ExecutionException success) {
839	>	} catch(Exception ex) {
840	>	unexpectedException();
841	>	} finally {
842	>	joinPool(e);
843	>	}
844	>	}
845	>
846	>	/**
847	>	* timed invokeAny(null) throws NPE
848	>	*/
849	>	public void testTimedInvokeAny1() {
850	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
851	>	try {
852	>	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
853	>	} catch (NullPointerException success) {
854	>	} catch(Exception ex) {
855	>	unexpectedException();
856	>	} finally {
857	>	joinPool(e);
858	>	}
859	>	}
860	>
861	>	/**
862	>	* timed invokeAny(,,null) throws NPE
863	>	*/
864	>	public void testTimedInvokeAnyNullTimeUnit() {
865	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
866	>	try {
867	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
868	>	l.add(new StringTask());
869	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
870	>	} catch (NullPointerException success) {
871	>	} catch(Exception ex) {
872	>	unexpectedException();
873	>	} finally {
874	>	joinPool(e);
875	>	}
876	>	}
877	>
878	>	/**
879	>	* timed invokeAny(empty collection) throws IAE
880	>	*/
881	>	public void testTimedInvokeAny2() {
882	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
883	>	try {
884	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
885	>	} catch (IllegalArgumentException success) {
886	>	} catch(Exception ex) {
887	>	unexpectedException();
888	>	} finally {
889	>	joinPool(e);
890	>	}
891	>	}
892	>
893	>	/**
894	>	* timed invokeAny(c) throws NPE if c has null elements
895	>	*/
896	>	public void testTimedInvokeAny3() {
897	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
898	>	try {
899	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
900	>	l.add(new StringTask());
901	>	l.add(null);
902	>	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
903	>	} catch (NullPointerException success) {
904	>	} catch(Exception ex) {
905	>	ex.printStackTrace();
906	>	unexpectedException();
907	>	} finally {
908	>	joinPool(e);
909	>	}
910	>	}
911	>
912	>	/**
913	>	* timed invokeAny(c) throws ExecutionException if no task completes
914	>	*/
915	>	public void testTimedInvokeAny4() {
916	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
917	>	try {
918	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
919	>	l.add(new NPETask());
920	>	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
921	>	} catch(ExecutionException success) {
922	>	} catch(Exception ex) {
923	>	unexpectedException();
924	>	} finally {
925	>	joinPool(e);
926	>	}
927	>	}
928	>
929	>	/**
930	>	* timed invokeAny(c) returns result of some task
931	>	*/
932	>	public void testTimedInvokeAny5() {
933	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	>	try {
935	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
936	>	l.add(new StringTask());
937	>	l.add(new StringTask());
938	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
939	>	assertSame(TEST_STRING, result);
940	>	} catch (ExecutionException success) {
941	>	} catch(Exception ex) {
942	>	unexpectedException();
943	>	} finally {
944	>	joinPool(e);
945	>	}
946	>	}
947	>
948	>	/**
949	>	* timed invokeAll(null) throws NPE
950	>	*/
951	>	public void testTimedInvokeAll1() {
952	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
953	>	try {
954	>	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
955	>	} catch (NullPointerException success) {
956	>	} catch(Exception ex) {
957	>	unexpectedException();
958	>	} finally {
959	>	joinPool(e);
960	>	}
961	>	}
962	>
963	>	/**
964	>	* timed invokeAll(,,null) throws NPE
965	>	*/
966	>	public void testTimedInvokeAllNullTimeUnit() {
967	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
968	>	try {
969	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
970	>	l.add(new StringTask());
971	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
972	>	} catch (NullPointerException success) {
973	>	} catch(Exception ex) {
974	>	unexpectedException();
975	>	} finally {
976	>	joinPool(e);
977	>	}
978		}
979
980	+	/**
981	+	* timed invokeAll(empty collection) returns empty collection
982	+	*/
983	+	public void testTimedInvokeAll2() {
984	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
985	+	try {
986	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
987	+	assertTrue(r.isEmpty());
988	+	} catch(Exception ex) {
989	+	unexpectedException();
990	+	} finally {
991	+	joinPool(e);
992	+	}
993	+	}
994	+
995	+	/**
996	+	* timed invokeAll(c) throws NPE if c has null elements
997	+	*/
998	+	public void testTimedInvokeAll3() {
999	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1000	+	try {
1001	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1002	+	l.add(new StringTask());
1003	+	l.add(null);
1004	+	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1005	+	} catch (NullPointerException success) {
1006	+	} catch(Exception ex) {
1007	+	unexpectedException();
1008	+	} finally {
1009	+	joinPool(e);
1010	+	}
1011	+	}
1012	+
1013	+	/**
1014	+	* get of element of invokeAll(c) throws exception on failed task
1015	+	*/
1016	+	public void testTimedInvokeAll4() {
1017	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1018	+	try {
1019	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1020	+	l.add(new NPETask());
1021	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1022	+	assertEquals(1, result.size());
1023	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1024	+	it.next().get();
1025	+	} catch(ExecutionException success) {
1026	+	} catch(Exception ex) {
1027	+	unexpectedException();
1028	+	} finally {
1029	+	joinPool(e);
1030	+	}
1031	+	}
1032	+
1033	+	/**
1034	+	* timed invokeAll(c) returns results of all completed tasks
1035	+	*/
1036	+	public void testTimedInvokeAll5() {
1037	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1038	+	try {
1039	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1040	+	l.add(new StringTask());
1041	+	l.add(new StringTask());
1042	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1043	+	assertEquals(2, result.size());
1044	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1045	+	assertSame(TEST_STRING, it.next().get());
1046	+	} catch (ExecutionException success) {
1047	+	} catch(Exception ex) {
1048	+	unexpectedException();
1049	+	} finally {
1050	+	joinPool(e);
1051	+	}
1052	+	}
1053	+
1054	+	/**
1055	+	* timed invokeAll(c) cancels tasks not completed by timeout
1056	+	*/
1057	+	public void testTimedInvokeAll6() {
1058	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	+	try {
1060	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1061	+	l.add(new StringTask());
1062	+	l.add(Executors.callable(new MediumInterruptedRunnable(), TEST_STRING));
1063	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1064	+	assertEquals(2, result.size());
1065	+	Iterator<Future<String>> it = result.iterator();
1066	+	Future<String> f1 = it.next();
1067	+	Future<String> f2 = it.next();
1068	+	assertTrue(f1.isDone());
1069	+	assertFalse(f1.isCancelled());
1070	+	assertTrue(f2.isDone());
1071	+	assertTrue(f2.isCancelled());
1072	+	} catch(Exception ex) {
1073	+	unexpectedException();
1074	+	} finally {
1075	+	joinPool(e);
1076	+	}
1077	+	}
1078	+
1079	+
1080		}

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