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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC vs.
Revision 1.28 by jsr166, Tue Dec 1 09:48:12 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 JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(ScheduledExecutorTest.class);
20	>	return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23
24		/**
25		* execute successfully executes a runnable
26		*/
27	<	public void testExecute() {
28	<	try {
29	<	TrackedShortRunnable runnable =new TrackedShortRunnable();
30	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
31	<	p1.execute(runnable);
32	<	assertFalse(runnable.done);
33	<	Thread.sleep(SHORT_DELAY_MS);
34	<	p1.shutdown();
35	<	try {
36	<	Thread.sleep(MEDIUM_DELAY_MS);
37	<	} catch(InterruptedException e){
35	<	unexpectedException();
36	<	}
37	<	assertTrue(runnable.done);
38	<	p1.shutdown();
39	<	joinPool(p1);
40	<	}
41	<	catch(Exception e){
42	<	unexpectedException();
43	<	}
44	<
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		* delayed schedule of callable successfully executes after delay
43		*/
44	<	public void testSchedule1() {
45	<	try {
46	<	TrackedCallable callable = new TrackedCallable();
47	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
48	<	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
49	<	assertFalse(callable.done);
50	<	Thread.sleep(MEDIUM_DELAY_MS);
51	<	assertTrue(callable.done);
52	<	assertEquals(Boolean.TRUE, f.get());
53	<	p1.shutdown();
61	<	joinPool(p1);
62	<	} catch(RejectedExecutionException e){}
63	<	catch(Exception e){
64	<	e.printStackTrace();
65	<	unexpectedException();
66	<	}
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		*  delayed schedule of runnable successfully executes after delay
58		*/
59	<	public void testSchedule3() {
60	<	try {
61	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
62	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
63	<	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
64	<	Thread.sleep(SHORT_DELAY_MS);
65	<	assertFalse(runnable.done);
66	<	Thread.sleep(MEDIUM_DELAY_MS);
67	<	assertTrue(runnable.done);
68	<	p1.shutdown();
82	<	joinPool(p1);
83	<	} catch(Exception e){
84	<	unexpectedException();
85	<	}
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	<
70	>
71		/**
72		* scheduleAtFixedRate executes runnable after given initial delay
73		*/
74	<	public void testSchedule4() {
75	<	try {
76	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
77	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
78	<	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
79	<	assertFalse(runnable.done);
80	<	Thread.sleep(MEDIUM_DELAY_MS);
81	<	assertTrue(runnable.done);
82	<	h.cancel(true);
83	<	p1.shutdown();
84	<	joinPool(p1);
85	<	} catch(Exception e){
86	<	unexpectedException();
87	<	}
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() {
94	<	try {
95	<	TrackedShortRunnable runnable = new TrackedShortRunnable();
96	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97	<	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	assertFalse(runnable.done);
99	<	Thread.sleep(MEDIUM_DELAY_MS);
100	<	assertTrue(runnable.done);
101	<	h.cancel(true);
119	<	p1.shutdown();
120	<	joinPool(p1);
121	<	} catch(Exception e){
122	<	unexpectedException();
123	<	}
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	<
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() {
142	>	public void testExecuteNull() throws InterruptedException {
143		ScheduledThreadPoolExecutor se = null;
144		try {
145	<	se = new ScheduledThreadPoolExecutor(1);
146	<	se.execute(null);
145	>	se = new ScheduledThreadPoolExecutor(1);
146	>	se.execute(null);
147		shouldThrow();
148	<	} catch(NullPointerException success){}
149	<	catch(Exception e){
150	<	unexpectedException();
138	<	}
139	<
140	<	joinPool(se);
148	>	} catch (NullPointerException success) {}
149	>
150	>	joinPool(se);
151		}
152
153		/**
154		* schedule (null) throws NPE
155		*/
156	<	public void testScheduleNull() {
156	>	public void testScheduleNull() throws InterruptedException {
157		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
158	<	try {
158	>	try {
159		TrackedCallable callable = null;
160	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
160	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
161		shouldThrow();
162	<	} catch(NullPointerException success){}
163	<	catch(Exception e){
154	<	unexpectedException();
155	<	}
156	<	joinPool(se);
162	>	} catch (NullPointerException success) {}
163	>	joinPool(se);
164		}
165	<
165	>
166		/**
167		* execute throws RejectedExecutionException if shutdown
168		*/
169	<	public void testSchedule1_RejectedExecutionException() {
169	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
170		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
171		try {
172		se.shutdown();
173		se.schedule(new NoOpRunnable(),
174	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
174	>	MEDIUM_DELAY_MS, MILLISECONDS);
175		shouldThrow();
176	<	} catch(RejectedExecutionException success){
176	>	} catch (RejectedExecutionException success) {
177	>	} catch (SecurityException ok) {
178		}
171	–	joinPool(se);
179
180	+	joinPool(se);
181		}
182
183		/**
184		* schedule throws RejectedExecutionException if shutdown
185		*/
186	<	public void testSchedule2_RejectedExecutionException() {
186	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
187		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
188		try {
189		se.shutdown();
190		se.schedule(new NoOpCallable(),
191	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
191	>	MEDIUM_DELAY_MS, MILLISECONDS);
192		shouldThrow();
193	<	} catch(RejectedExecutionException success){
193	>	} catch (RejectedExecutionException success) {
194	>	} catch (SecurityException ok) {
195		}
196		joinPool(se);
197		}
#	Line 190 | Line 199 | public class ScheduledExecutorTest exten
199		/**
200		* schedule callable throws RejectedExecutionException if shutdown
201		*/
202	<	public void testSchedule3_RejectedExecutionException() {
202	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
203		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
204		try {
205		se.shutdown();
206		se.schedule(new NoOpCallable(),
207	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
207	>	MEDIUM_DELAY_MS, MILLISECONDS);
208		shouldThrow();
209	<	} catch(RejectedExecutionException success){
210	<	}
209	>	} catch (RejectedExecutionException success) {
210	>	} catch (SecurityException ok) {
211	>	}
212		joinPool(se);
213		}
214
215		/**
216		*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
217		*/
218	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
218	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
219		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
220		try {
221		se.shutdown();
222		se.scheduleAtFixedRate(new NoOpRunnable(),
223	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
223	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
224		shouldThrow();
225	<	} catch(RejectedExecutionException success){
226	<	}
225	>	} catch (RejectedExecutionException success) {
226	>	} catch (SecurityException ok) {
227	>	}
228		joinPool(se);
229		}
230	<
230	>
231		/**
232		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
233		*/
234	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
234	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
235		ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
236		try {
237		se.shutdown();
238		se.scheduleWithFixedDelay(new NoOpRunnable(),
239	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
239	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
240		shouldThrow();
241	<	} catch(RejectedExecutionException success){
242	<	}
241	>	} catch (RejectedExecutionException success) {
242	>	} catch (SecurityException ok) {
243	>	}
244		joinPool(se);
245		}
246
#	Line 236 | Line 248 | public class ScheduledExecutorTest exten
248		*  getActiveCount increases but doesn't overestimate, when a
249		*  thread becomes active
250		*/
251	<	public void testGetActiveCount() {
251	>	public void testGetActiveCount() throws InterruptedException {
252		ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
253		assertEquals(0, p2.getActiveCount());
254		p2.execute(new SmallRunnable());
255	<	try {
244	<	Thread.sleep(SHORT_DELAY_MS);
245	<	} catch(Exception e){
246	<	unexpectedException();
247	<	}
255	>	Thread.sleep(SHORT_DELAY_MS);
256		assertEquals(1, p2.getActiveCount());
257		joinPool(p2);
258		}
259	<
259	>
260		/**
261		*    getCompletedTaskCount increases, but doesn't overestimate,
262		*   when tasks complete
263		*/
264	<	public void testGetCompletedTaskCount() {
264	>	public void testGetCompletedTaskCount() throws InterruptedException {
265		ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
266		assertEquals(0, p2.getCompletedTaskCount());
267		p2.execute(new SmallRunnable());
268	<	try {
261	<	Thread.sleep(MEDIUM_DELAY_MS);
262	<	} catch(Exception e){
263	<	unexpectedException();
264	<	}
268	>	Thread.sleep(MEDIUM_DELAY_MS);
269		assertEquals(1, p2.getCompletedTaskCount());
270		joinPool(p2);
271		}
272	<
272	>
273		/**
274	<	*  getCorePoolSize returns size given in constructor if not otherwise set
274	>	*  getCorePoolSize returns size given in constructor if not otherwise set
275		*/
276	<	public void testGetCorePoolSize() {
276	>	public void testGetCorePoolSize() throws InterruptedException {
277		ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
278		assertEquals(1, p1.getCorePoolSize());
279		joinPool(p1);
280		}
281	<
281	>
282		/**
283		*    getLargestPoolSize increases, but doesn't overestimate, when
284		*   multiple threads active
285		*/
286	<	public void testGetLargestPoolSize() {
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	<	try {
288	<	Thread.sleep(SHORT_DELAY_MS);
289	<	} catch(Exception e){
290	<	unexpectedException();
291	<	}
291	>	Thread.sleep(SHORT_DELAY_MS);
292		assertEquals(2, p2.getLargestPoolSize());
293		joinPool(p2);
294		}
295	<
295	>
296		/**
297		*   getPoolSize increases, but doesn't overestimate, when threads
298		*   become active
299		*/
300	<	public void testGetPoolSize() {
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	<
307	>
308		/**
309		*    getTaskCount increases, but doesn't overestimate, when tasks
310		*    submitted
311		*/
312	<	public void testGetTaskCount() {
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++)
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	<	}
317	>	Thread.sleep(SHORT_DELAY_MS);
318		assertEquals(5, p1.getTaskCount());
319		joinPool(p1);
320		}
321
322	<	/**
322	>	/**
323		* getThreadFactory returns factory in constructor if not set
324		*/
325	<	public void testGetThreadFactory() {
325	>	public void testGetThreadFactory() throws InterruptedException {
326		ThreadFactory tf = new SimpleThreadFactory();
327	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
327	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
328		assertSame(tf, p.getThreadFactory());
333	–	p.shutdown();
329		joinPool(p);
330		}
331
332	<	/**
332	>	/**
333		* setThreadFactory sets the thread factory returned by getThreadFactory
334		*/
335	<	public void testSetThreadFactory() {
335	>	public void testSetThreadFactory() throws InterruptedException {
336		ThreadFactory tf = new SimpleThreadFactory();
337	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
337	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
338		p.setThreadFactory(tf);
339		assertSame(tf, p.getThreadFactory());
345	–	p.shutdown();
340		joinPool(p);
341		}
342
343	<	/**
343	>	/**
344		* setThreadFactory(null) throws NPE
345		*/
346	<	public void testSetThreadFactoryNull() {
347	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
346	>	public void testSetThreadFactoryNull() throws InterruptedException {
347	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
348		try {
349		p.setThreadFactory(null);
350		shouldThrow();
#	Line 359 | Line 353 | public class ScheduledExecutorTest exten
353		joinPool(p);
354		}
355		}
356	<
356	>
357		/**
358		*   is isShutDown is false before shutdown, true after
359		*/
360		public void testIsShutdown() {
361	<
362	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
361	>
362	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
363		try {
364		assertFalse(p1.isShutdown());
365		}
366		finally {
367	<	p1.shutdown();
367	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
368		}
369	<	assertTrue(p1.isShutdown());
369	>	assertTrue(p1.isShutdown());
370		}
371
372	<
372	>
373		/**
374		*   isTerminated is false before termination, true after
375		*/
376	<	public void testIsTerminated() {
377	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
376	>	public void testIsTerminated() throws InterruptedException {
377	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
378		try {
379		p1.execute(new SmallRunnable());
380		} finally {
381	<	p1.shutdown();
381	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
382		}
383	<	try {
384	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	<	assertTrue(p1.isTerminated());
392	<	} catch(Exception e){
393	<	unexpectedException();
394	<	}
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() {
391	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
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	<	p1.shutdown();
397	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
398		}
399	<	try {
400	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
401	<	assertTrue(p1.isTerminated());
402	<	assertFalse(p1.isTerminating());
413	<	} catch(Exception e){
414	<	unexpectedException();
415	<	}
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() {
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, TimeUnit.MILLISECONDS);
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]));
432	–	p1.shutdownNow();
433	–	} catch(Exception e) {
434	–	unexpectedException();
419		} finally {
420		joinPool(p1);
421		}
#	Line 440 | Line 424 | public class ScheduledExecutorTest exten
424		/**
425		* remove(task) removes queued task, and fails to remove active task
426		*/
427	<	public void testRemove() {
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, TimeUnit.MILLISECONDS);
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);
#	Line 458 | Line 442 | public class ScheduledExecutorTest exten
442		assertTrue(q.contains((Runnable)tasks[3]));
443		assertTrue(p1.remove((Runnable)tasks[3]));
444		assertFalse(q.contains((Runnable)tasks[3]));
461	–	p1.shutdownNow();
462	–	} catch(Exception e) {
463	–	unexpectedException();
445		} finally {
446		joinPool(p1);
447		}
#	Line 469 | Line 450 | public class ScheduledExecutorTest exten
450		/**
451		*  purge removes cancelled tasks from the queue
452		*/
453	<	public void testPurge() {
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(), 1, TimeUnit.MILLISECONDS);
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		}
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);
477		}
478
479		/**
480		*  shutDownNow returns a list containing tasks that were not run
481		*/
482	<	public void testShutDownNow() {
483	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
484	<	for(int i = 0; i < 5; i++)
485	<	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
486	<	List l = p1.shutdownNow();
487	<	assertTrue(p1.isShutdown());
488	<	assertTrue(l.size() > 0 && l.size() <= 5);
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
#	Line 501 | Line 498 | public class ScheduledExecutorTest exten
498		* In default setting, shutdown cancels periodic but not delayed
499		* tasks at shutdown
500		*/
501	<	public void testShutDown1() {
502	<	try {
503	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
504	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
505	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
506	<
507	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
508	<	for(int i = 0; i < 5; i++)
509	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
510	<	p1.shutdown();
511	<	BlockingQueue q = p1.getQueue();
512	<	for (Iterator it = q.iterator(); it.hasNext();) {
513	<	ScheduledFuture t = (ScheduledFuture)it.next();
514	<	assertFalse(t.isCancelled());
515	<	}
516	<	assertTrue(p1.isShutdown());
517	<	Thread.sleep(SMALL_DELAY_MS);
518	<	for (int i = 0; i < 5; ++i) {
519	<	assertTrue(tasks[i].isDone());
523	<	assertFalse(tasks[i].isCancelled());
524	<	}
525	<
526	<	}
527	<	catch(Exception ex) {
528	<	unexpectedException();
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
#	Line 534 | Line 525 | public class ScheduledExecutorTest exten
525		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
526		* delayed tasks are cancelled at shutdown
527		*/
528	<	public void testShutDown2() {
529	<	try {
530	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
531	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
532	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	<	for(int i = 0; i < 5; i++)
534	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
535	<	p1.shutdown();
536	<	assertTrue(p1.isShutdown());
537	<	BlockingQueue q = p1.getQueue();
538	<	assertTrue(q.isEmpty());
539	<	Thread.sleep(SMALL_DELAY_MS);
549	<	assertTrue(p1.isTerminated());
550	<	}
551	<	catch(Exception ex) {
552	<	unexpectedException();
553	<	}
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
#	Line 558 | Line 544 | public class ScheduledExecutorTest exten
544		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
545		* periodic tasks are not cancelled at shutdown
546		*/
547	<	public void testShutDown3() {
548	<	try {
549	<	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
550	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
551	<	ScheduledFuture task =
552	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
553	<	p1.shutdown();
554	<	assertTrue(p1.isShutdown());
555	<	BlockingQueue q = p1.getQueue();
556	<	assertTrue(q.isEmpty());
557	<	Thread.sleep(SHORT_DELAY_MS);
572	<	assertTrue(p1.isTerminated());
573	<	}
574	<	catch(Exception ex) {
575	<	unexpectedException();
576	<	}
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() {
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(), 5, 5, TimeUnit.MILLISECONDS);
569	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
570		assertFalse(task.isCancelled());
571	<	p1.shutdown();
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	<	task.cancel(true);
578	<	assertTrue(task.isCancelled());
577	>	assertTrue(task.cancel(true));
578	>	assertTrue(task.isDone());
579		Thread.sleep(SHORT_DELAY_MS);
580		assertTrue(p1.isTerminated());
581		}
601	–	catch(Exception ex) {
602	–	unexpectedException();
603	–	}
582		finally {
583	<	p1.shutdownNow();
583	>	joinPool(p1);
584		}
585		}
586
587		/**
588		* completed submit of callable returns result
589		*/
590	<	public void testSubmitCallable() {
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);
618	–	}
619	–	catch (ExecutionException ex) {
620	–	unexpectedException();
621	–	}
622	–	catch (InterruptedException ex) {
623	–	unexpectedException();
596		} finally {
597		joinPool(e);
598		}
#	Line 629 | Line 601 | public class ScheduledExecutorTest exten
601		/**
602		* completed submit of runnable returns successfully
603		*/
604	<	public void testSubmitRunnable() {
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());
638	–	}
639	–	catch (ExecutionException ex) {
640	–	unexpectedException();
641	–	}
642	–	catch (InterruptedException ex) {
643	–	unexpectedException();
610		} finally {
611		joinPool(e);
612		}
#	Line 649 | Line 615 | public class ScheduledExecutorTest exten
615		/**
616		* completed submit of (runnable, result) returns result
617		*/
618	<	public void testSubmitRunnable2() {
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);
658	–	}
659	–	catch (ExecutionException ex) {
660	–	unexpectedException();
661	–	}
662	–	catch (InterruptedException ex) {
663	–	unexpectedException();
624		} finally {
625		joinPool(e);
626		}
627		}
628
669	–
670	–
671	–
672	–
629		/**
630		* invokeAny(null) throws NPE
631		*/
632	<	public void testInvokeAny1() {
632	>	public void testInvokeAny1() throws Exception {
633		ExecutorService e = new ScheduledThreadPoolExecutor(2);
634		try {
635		e.invokeAny(null);
636	+	shouldThrow();
637		} catch (NullPointerException success) {
681	–	} catch(Exception ex) {
682	–	unexpectedException();
638		} finally {
639		joinPool(e);
640		}
#	Line 688 | Line 643 | public class ScheduledExecutorTest exten
643		/**
644		* invokeAny(empty collection) throws IAE
645		*/
646	<	public void testInvokeAny2() {
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) {
696	–	} catch(Exception ex) {
697	–	unexpectedException();
652		} finally {
653		joinPool(e);
654		}
#	Line 703 | Line 657 | public class ScheduledExecutorTest exten
657		/**
658		* invokeAny(c) throws NPE if c has null elements
659		*/
660	<	public void testInvokeAny3() {
660	>	public void testInvokeAny3() throws Exception {
661	>	final CountDownLatch latch = new CountDownLatch(1);
662		ExecutorService e = new ScheduledThreadPoolExecutor(2);
663		try {
664		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
665	<	l.add(new StringTask());
665	>	l.add(new Callable<String>() {
666	>	public String call() {
667	>	try {
668	>	latch.await();
669	>	} catch (InterruptedException quittingTime) {}
670	>	return TEST_STRING;
671	>	}});
672		l.add(null);
673		e.invokeAny(l);
674	+	shouldThrow();
675		} catch (NullPointerException success) {
714	–	} catch(Exception ex) {
715	–	unexpectedException();
676		} finally {
677	+	latch.countDown();
678		joinPool(e);
679		}
680		}
#	Line 721 | Line 682 | public class ScheduledExecutorTest exten
682		/**
683		* invokeAny(c) throws ExecutionException if no task completes
684		*/
685	<	public void testInvokeAny4() {
685	>	public void testInvokeAny4() throws Exception {
686		ExecutorService e = new ScheduledThreadPoolExecutor(2);
687		try {
688		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
689		l.add(new NPETask());
690		e.invokeAny(l);
691	+	shouldThrow();
692		} catch (ExecutionException success) {
693	<	} catch(Exception ex) {
732	<	unexpectedException();
693	>	assertTrue(success.getCause() instanceof NullPointerException);
694		} finally {
695		joinPool(e);
696		}
#	Line 738 | Line 699 | public class ScheduledExecutorTest exten
699		/**
700		* invokeAny(c) returns result of some task
701		*/
702	<	public void testInvokeAny5() {
702	>	public void testInvokeAny5() throws Exception {
703		ExecutorService e = new ScheduledThreadPoolExecutor(2);
704		try {
705		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
#	Line 746 | Line 707 | public class ScheduledExecutorTest exten
707		l.add(new StringTask());
708		String result = e.invokeAny(l);
709		assertSame(TEST_STRING, result);
749	–	} catch (ExecutionException success) {
750	–	} catch(Exception ex) {
751	–	unexpectedException();
710		} finally {
711		joinPool(e);
712		}
#	Line 757 | Line 715 | public class ScheduledExecutorTest exten
715		/**
716		* invokeAll(null) throws NPE
717		*/
718	<	public void testInvokeAll1() {
718	>	public void testInvokeAll1() throws Exception {
719		ExecutorService e = new ScheduledThreadPoolExecutor(2);
720		try {
721		e.invokeAll(null);
722	+	shouldThrow();
723		} catch (NullPointerException success) {
765	–	} catch(Exception ex) {
766	–	unexpectedException();
724		} finally {
725		joinPool(e);
726		}
#	Line 772 | Line 729 | public class ScheduledExecutorTest exten
729		/**
730		* invokeAll(empty collection) returns empty collection
731		*/
732	<	public void testInvokeAll2() {
732	>	public void testInvokeAll2() throws Exception {
733		ExecutorService e = new ScheduledThreadPoolExecutor(2);
734		try {
735		List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
736		assertTrue(r.isEmpty());
780	–	} catch(Exception ex) {
781	–	unexpectedException();
737		} finally {
738		joinPool(e);
739		}
#	Line 787 | Line 742 | public class ScheduledExecutorTest exten
742		/**
743		* invokeAll(c) throws NPE if c has null elements
744		*/
745	<	public void testInvokeAll3() {
745	>	public void testInvokeAll3() throws Exception {
746		ExecutorService e = new ScheduledThreadPoolExecutor(2);
747		try {
748		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
749		l.add(new StringTask());
750		l.add(null);
751		e.invokeAll(l);
752	+	shouldThrow();
753		} catch (NullPointerException success) {
798	–	} catch(Exception ex) {
799	–	unexpectedException();
754		} finally {
755		joinPool(e);
756		}
#	Line 805 | Line 759 | public class ScheduledExecutorTest exten
759		/**
760		* get of invokeAll(c) throws exception on failed task
761		*/
762	<	public void testInvokeAll4() {
762	>	public void testInvokeAll4() throws Exception {
763		ExecutorService e = new ScheduledThreadPoolExecutor(2);
764		try {
765		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
766		l.add(new NPETask());
767		List<Future<String>> result = e.invokeAll(l);
768		assertEquals(1, result.size());
769	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
770	<	it.next().get();
771	<	} catch(ExecutionException success) {
772	<	} catch(Exception ex) {
773	<	unexpectedException();
769	>	for (Future<String> future : result)
770	>	future.get();
771	>	shouldThrow();
772	>	} catch (ExecutionException success) {
773	>	assertTrue(success.getCause() instanceof NullPointerException);
774		} finally {
775		joinPool(e);
776		}
#	Line 825 | Line 779 | public class ScheduledExecutorTest exten
779		/**
780		* invokeAll(c) returns results of all completed tasks
781		*/
782	<	public void testInvokeAll5() {
782	>	public void testInvokeAll5() throws Exception {
783		ExecutorService e = new ScheduledThreadPoolExecutor(2);
784		try {
785		ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
#	Line 833 | Line 787 | public class ScheduledExecutorTest exten
787		l.add(new StringTask());
788		List<Future<String>> result = e.invokeAll(l);
789		assertEquals(2, result.size());
790	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
791	<	assertSame(TEST_STRING, it.next().get());
790	>	for (Future<String> future : result)
791	>	assertSame(TEST_STRING, future.get());
792	>	} finally {
793	>	joinPool(e);
794	>	}
795	>	}
796	>
797	>	/**
798	>	* timed invokeAny(null) throws NPE
799	>	*/
800	>	public void testTimedInvokeAny1() throws Exception {
801	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
802	>	try {
803	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
804	>	shouldThrow();
805	>	} catch (NullPointerException success) {
806	>	} finally {
807	>	joinPool(e);
808	>	}
809	>	}
810	>
811	>	/**
812	>	* timed invokeAny(,,null) throws NPE
813	>	*/
814	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
815	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
816	>	try {
817	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
818	>	l.add(new StringTask());
819	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
820	>	shouldThrow();
821	>	} catch (NullPointerException success) {
822	>	} finally {
823	>	joinPool(e);
824	>	}
825	>	}
826	>
827	>	/**
828	>	* timed invokeAny(empty collection) throws IAE
829	>	*/
830	>	public void testTimedInvokeAny2() throws Exception {
831	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
832	>	try {
833	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
834	>	shouldThrow();
835	>	} catch (IllegalArgumentException success) {
836	>	} finally {
837	>	joinPool(e);
838	>	}
839	>	}
840	>
841	>	/**
842	>	* timed invokeAny(c) throws NPE if c has null elements
843	>	*/
844	>	public void testTimedInvokeAny3() throws Exception {
845	>	final CountDownLatch latch = new CountDownLatch(1);
846	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
847	>	try {
848	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
849	>	l.add(new Callable<String>() {
850	>	public String call() {
851	>	try {
852	>	latch.await();
853	>	} catch (InterruptedException quittingTime) {}
854	>	return TEST_STRING;
855	>	}});
856	>	l.add(null);
857	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
858	>	shouldThrow();
859	>	} catch (NullPointerException success) {
860	>	} finally {
861	>	latch.countDown();
862	>	joinPool(e);
863	>	}
864	>	}
865	>
866	>	/**
867	>	* timed invokeAny(c) throws ExecutionException if no task completes
868	>	*/
869	>	public void testTimedInvokeAny4() throws Exception {
870	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
871	>	try {
872	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
873	>	l.add(new NPETask());
874	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
875	>	shouldThrow();
876	>	} catch (ExecutionException success) {
877	>	assertTrue(success.getCause() instanceof NullPointerException);
878	>	} finally {
879	>	joinPool(e);
880	>	}
881	>	}
882	>
883	>	/**
884	>	* timed invokeAny(c) returns result of some task
885	>	*/
886	>	public void testTimedInvokeAny5() throws Exception {
887	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
888	>	try {
889	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
890	>	l.add(new StringTask());
891	>	l.add(new StringTask());
892	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
893	>	assertSame(TEST_STRING, result);
894	>	} finally {
895	>	joinPool(e);
896	>	}
897	>	}
898	>
899	>	/**
900	>	* timed invokeAll(null) throws NPE
901	>	*/
902	>	public void testTimedInvokeAll1() throws Exception {
903	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
904	>	try {
905	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
906	>	shouldThrow();
907	>	} catch (NullPointerException success) {
908	>	} finally {
909	>	joinPool(e);
910	>	}
911	>	}
912	>
913	>	/**
914	>	* timed invokeAll(,,null) throws NPE
915	>	*/
916	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
917	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
918	>	try {
919	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
920	>	l.add(new StringTask());
921	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
922	>	shouldThrow();
923	>	} catch (NullPointerException success) {
924	>	} finally {
925	>	joinPool(e);
926	>	}
927	>	}
928	>
929	>	/**
930	>	* timed invokeAll(empty collection) returns empty collection
931	>	*/
932	>	public void testTimedInvokeAll2() throws Exception {
933	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	>	try {
935	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
936	>	assertTrue(r.isEmpty());
937	>	} finally {
938	>	joinPool(e);
939	>	}
940	>	}
941	>
942	>	/**
943	>	* timed invokeAll(c) throws NPE if c has null elements
944	>	*/
945	>	public void testTimedInvokeAll3() throws Exception {
946	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	>	try {
948	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
949	>	l.add(new StringTask());
950	>	l.add(null);
951	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
952	>	shouldThrow();
953	>	} catch (NullPointerException success) {
954	>	} finally {
955	>	joinPool(e);
956	>	}
957	>	}
958	>
959	>	/**
960	>	* get of element of invokeAll(c) throws exception on failed task
961	>	*/
962	>	public void testTimedInvokeAll4() throws Exception {
963	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
964	>	try {
965	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966	>	l.add(new NPETask());
967	>	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
968	>	assertEquals(1, result.size());
969	>	for (Future<String> future : result)
970	>	future.get();
971	>	shouldThrow();
972		} catch (ExecutionException success) {
973	<	} catch(Exception ex) {
974	<	unexpectedException();
973	>	assertTrue(success.getCause() instanceof NullPointerException);
974	>	} finally {
975	>	joinPool(e);
976	>	}
977	>	}
978	>
979	>	/**
980	>	* timed invokeAll(c) returns results of all completed tasks
981	>	*/
982	>	public void testTimedInvokeAll5() throws Exception {
983	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
984	>	try {
985	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
986	>	l.add(new StringTask());
987	>	l.add(new StringTask());
988	>	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
989	>	assertEquals(2, result.size());
990	>	for (Future<String> future : result)
991	>	assertSame(TEST_STRING, future.get());
992	>	} finally {
993	>	joinPool(e);
994	>	}
995	>	}
996	>
997	>	/**
998	>	* timed invokeAll(c) cancels tasks not completed by timeout
999	>	*/
1000	>	public void testTimedInvokeAll6() throws Exception {
1001	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1002	>	try {
1003	>	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1004	>	l.add(new StringTask());
1005	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1006	>	l.add(new StringTask());
1007	>	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1008	>	assertEquals(3, result.size());
1009	>	Iterator<Future<String>> it = result.iterator();
1010	>	Future<String> f1 = it.next();
1011	>	Future<String> f2 = it.next();
1012	>	Future<String> f3 = it.next();
1013	>	assertTrue(f1.isDone());
1014	>	assertTrue(f2.isDone());
1015	>	assertTrue(f3.isDone());
1016	>	assertFalse(f1.isCancelled());
1017	>	assertTrue(f2.isCancelled());
1018		} finally {
1019		joinPool(e);
1020		}

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