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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.27 by jsr166, Sat Nov 21 17:38:05 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
20	–	static class MyRunnable implements Runnable {
21	–	volatile boolean done = false;
22	–	public void run() {
23	–	try {
24	–	Thread.sleep(SMALL_DELAY_MS);
25	–	done = true;
26	–	} catch(Exception e){
27	–	}
28	–	}
29	–	}
30	–
31	–	static class MyCallable implements Callable {
32	–	volatile boolean done = false;
33	–	public Object call() {
34	–	try {
35	–	Thread.sleep(SMALL_DELAY_MS);
36	–	done = true;
37	–	} catch(Exception e){
38	–	}
39	–	return Boolean.TRUE;
40	–	}
41	–	}
23
24		/**
25		* execute successfully executes a runnable
26		*/
27	<	public void testExecute() {
28	<	try {
29	<	MyRunnable runnable =new MyRunnable();
30	<	ScheduledExecutor p1 = new ScheduledExecutor(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){
57	<	unexpectedException();
58	<	}
59	<	assertTrue(runnable.done);
60	<	p1.shutdown();
61	<	joinPool(p1);
62	<	}
63	<	catch(Exception e){
64	<	unexpectedException();
65	<	}
66	<
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	<	MyCallable callable = new MyCallable();
47	<	ScheduledExecutor p1 = new ScheduledExecutor(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();
83	<	joinPool(p1);
84	<	} catch(RejectedExecutionException e){}
85	<	catch(Exception e){
86	<	unexpectedException();
87	<	}
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	<	MyRunnable runnable = new MyRunnable();
62	<	ScheduledExecutor p1 = new ScheduledExecutor(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();
103	<	joinPool(p1);
104	<	} catch(Exception e){
105	<	unexpectedException();
106	<	}
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	<	MyRunnable runnable = new MyRunnable();
77	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
78	<	ScheduledCancellable 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	<	MyRunnable runnable = new MyRunnable();
96	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
97	<	ScheduledCancellable 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);
140	<	p1.shutdown();
141	<	joinPool(p1);
142	<	} catch(Exception e){
143	<	unexpectedException();
144	<	}
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() {
143	<	ScheduledExecutor se = null;
142	>	public void testExecuteNull() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor se = null;
144		try {
145	<	se = new ScheduledExecutor(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();
159	<	}
160	<
161	<	joinPool(se);
148	>	} catch (NullPointerException success) {}
149	>
150	>	joinPool(se);
151		}
152
153		/**
154		* schedule (null) throws NPE
155		*/
156	<	public void testScheduleNull() {
157	<	ScheduledExecutor se = new ScheduledExecutor(1);
158	<	try {
159	<	MyCallable callable = null;
160	<	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
161	<	shouldThrow();
162	<	} catch(NullPointerException success){}
163	<	catch(Exception e){
175	<	unexpectedException();
176	<	}
177	<	joinPool(se);
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	<
165	>
166		/**
167		* execute throws RejectedExecutionException if shutdown
168		*/
169	<	public void testSchedule1_RejectedExecutionException() {
170	<	ScheduledExecutor se = new ScheduledExecutor(1);
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		}
179	+
180		joinPool(se);
181
182		}
#	Line 196 | Line 184 | public class ScheduledExecutorTest exten
184		/**
185		* schedule throws RejectedExecutionException if shutdown
186		*/
187	<	public void testSchedule2_RejectedExecutionException() {
188	<	ScheduledExecutor se = new ScheduledExecutor(1);
187	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
188	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
189		try {
190		se.shutdown();
191		se.schedule(new NoOpCallable(),
192	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
192	>	MEDIUM_DELAY_MS, MILLISECONDS);
193		shouldThrow();
194	<	} catch(RejectedExecutionException success){
194	>	} catch (RejectedExecutionException success) {
195	>	} catch (SecurityException ok) {
196		}
197		joinPool(se);
198		}
#	Line 211 | Line 200 | public class ScheduledExecutorTest exten
200		/**
201		* schedule callable throws RejectedExecutionException if shutdown
202		*/
203	<	public void testSchedule3_RejectedExecutionException() {
204	<	ScheduledExecutor se = new ScheduledExecutor(1);
203	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
204	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
205		try {
206		se.shutdown();
207		se.schedule(new NoOpCallable(),
208	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
208	>	MEDIUM_DELAY_MS, MILLISECONDS);
209		shouldThrow();
210	<	} catch(RejectedExecutionException success){
211	<	}
210	>	} catch (RejectedExecutionException success) {
211	>	} catch (SecurityException ok) {
212	>	}
213		joinPool(se);
214		}
215
216		/**
217		*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
218		*/
219	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
220	<	ScheduledExecutor se = new ScheduledExecutor(1);
219	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
220	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
221		try {
222		se.shutdown();
223		se.scheduleAtFixedRate(new NoOpRunnable(),
224	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
224	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
225		shouldThrow();
226	<	} catch(RejectedExecutionException success){
227	<	}
226	>	} catch (RejectedExecutionException success) {
227	>	} catch (SecurityException ok) {
228	>	}
229		joinPool(se);
230		}
231	<
231	>
232		/**
233		* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
234		*/
235	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
236	<	ScheduledExecutor se = new ScheduledExecutor(1);
235	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
236	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
237		try {
238		se.shutdown();
239		se.scheduleWithFixedDelay(new NoOpRunnable(),
240	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
240	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
241		shouldThrow();
242	<	} catch(RejectedExecutionException success){
243	<	}
242	>	} catch (RejectedExecutionException success) {
243	>	} catch (SecurityException ok) {
244	>	}
245		joinPool(se);
246		}
247
#	Line 257 | Line 249 | public class ScheduledExecutorTest exten
249		*  getActiveCount increases but doesn't overestimate, when a
250		*  thread becomes active
251		*/
252	<	public void testGetActiveCount() {
253	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
252	>	public void testGetActiveCount() throws InterruptedException {
253	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
254		assertEquals(0, p2.getActiveCount());
255		p2.execute(new SmallRunnable());
256	<	try {
265	<	Thread.sleep(SHORT_DELAY_MS);
266	<	} catch(Exception e){
267	<	unexpectedException();
268	<	}
256	>	Thread.sleep(SHORT_DELAY_MS);
257		assertEquals(1, p2.getActiveCount());
258		joinPool(p2);
259		}
260	<
260	>
261		/**
262		*    getCompletedTaskCount increases, but doesn't overestimate,
263		*   when tasks complete
264		*/
265	<	public void testGetCompletedTaskCount() {
266	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
265	>	public void testGetCompletedTaskCount() throws InterruptedException {
266	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
267		assertEquals(0, p2.getCompletedTaskCount());
268		p2.execute(new SmallRunnable());
269	<	try {
282	<	Thread.sleep(MEDIUM_DELAY_MS);
283	<	} catch(Exception e){
284	<	unexpectedException();
285	<	}
269	>	Thread.sleep(MEDIUM_DELAY_MS);
270		assertEquals(1, p2.getCompletedTaskCount());
271		joinPool(p2);
272		}
273	<
273	>
274		/**
275	<	*  getCorePoolSize returns size given in constructor if not otherwise set
275	>	*  getCorePoolSize returns size given in constructor if not otherwise set
276		*/
277	<	public void testGetCorePoolSize() {
278	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
277	>	public void testGetCorePoolSize() throws InterruptedException {
278	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
279		assertEquals(1, p1.getCorePoolSize());
280		joinPool(p1);
281		}
282	<
282	>
283		/**
284		*    getLargestPoolSize increases, but doesn't overestimate, when
285		*   multiple threads active
286		*/
287	<	public void testGetLargestPoolSize() {
288	<	ScheduledExecutor p2 = new ScheduledExecutor(2);
287	>	public void testGetLargestPoolSize() throws InterruptedException {
288	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
289		assertEquals(0, p2.getLargestPoolSize());
290		p2.execute(new SmallRunnable());
291		p2.execute(new SmallRunnable());
292	<	try {
309	<	Thread.sleep(SHORT_DELAY_MS);
310	<	} catch(Exception e){
311	<	unexpectedException();
312	<	}
292	>	Thread.sleep(SHORT_DELAY_MS);
293		assertEquals(2, p2.getLargestPoolSize());
294		joinPool(p2);
295		}
296	<
296	>
297		/**
298		*   getPoolSize increases, but doesn't overestimate, when threads
299		*   become active
300		*/
301	<	public void testGetPoolSize() {
302	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
301	>	public void testGetPoolSize() throws InterruptedException {
302	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
303		assertEquals(0, p1.getPoolSize());
304		p1.execute(new SmallRunnable());
305		assertEquals(1, p1.getPoolSize());
306		joinPool(p1);
307		}
308	<
308	>
309		/**
310		*    getTaskCount increases, but doesn't overestimate, when tasks
311		*    submitted
312		*/
313	<	public void testGetTaskCount() {
314	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
313	>	public void testGetTaskCount() throws InterruptedException {
314	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
315		assertEquals(0, p1.getTaskCount());
316	<	for(int i = 0; i < 5; i++)
316	>	for (int i = 0; i < 5; i++)
317		p1.execute(new SmallRunnable());
318	<	try {
339	<	Thread.sleep(SHORT_DELAY_MS);
340	<	} catch(Exception e){
341	<	unexpectedException();
342	<	}
318	>	Thread.sleep(SHORT_DELAY_MS);
319		assertEquals(5, p1.getTaskCount());
320		joinPool(p1);
321		}
322	<
322	>
323	>	/**
324	>	* getThreadFactory returns factory in constructor if not set
325	>	*/
326	>	public void testGetThreadFactory() throws InterruptedException {
327	>	ThreadFactory tf = new SimpleThreadFactory();
328	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
329	>	assertSame(tf, p.getThreadFactory());
330	>	joinPool(p);
331	>	}
332	>
333	>	/**
334	>	* setThreadFactory sets the thread factory returned by getThreadFactory
335	>	*/
336	>	public void testSetThreadFactory() throws InterruptedException {
337	>	ThreadFactory tf = new SimpleThreadFactory();
338	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
339	>	p.setThreadFactory(tf);
340	>	assertSame(tf, p.getThreadFactory());
341	>	joinPool(p);
342	>	}
343	>
344	>	/**
345	>	* setThreadFactory(null) throws NPE
346	>	*/
347	>	public void testSetThreadFactoryNull() throws InterruptedException {
348	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
349	>	try {
350	>	p.setThreadFactory(null);
351	>	shouldThrow();
352	>	} catch (NullPointerException success) {
353	>	} finally {
354	>	joinPool(p);
355	>	}
356	>	}
357	>
358		/**
359		*   is isShutDown is false before shutdown, true after
360		*/
361		public void testIsShutdown() {
362	<
363	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
362	>
363	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
364		try {
365		assertFalse(p1.isShutdown());
366		}
367		finally {
368	<	p1.shutdown();
368	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
369		}
370	<	assertTrue(p1.isShutdown());
370	>	assertTrue(p1.isShutdown());
371		}
372
373	<
373	>
374		/**
375		*   isTerminated is false before termination, true after
376		*/
377	<	public void testIsTerminated() {
378	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
377	>	public void testIsTerminated() throws InterruptedException {
378	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
379		try {
380		p1.execute(new SmallRunnable());
381		} finally {
382	<	p1.shutdown();
382	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
383		}
384	<	try {
385	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
375	<	assertTrue(p1.isTerminated());
376	<	} catch(Exception e){
377	<	unexpectedException();
378	<	}
384	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
385	>	assertTrue(p1.isTerminated());
386		}
387
388		/**
389		*  isTerminating is not true when running or when terminated
390		*/
391	<	public void testIsTerminating() {
392	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
391	>	public void testIsTerminating() throws InterruptedException {
392	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
393		assertFalse(p1.isTerminating());
394		try {
395		p1.execute(new SmallRunnable());
396		assertFalse(p1.isTerminating());
397		} finally {
398	<	p1.shutdown();
398	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
399	>	}
400	>
401	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
402	>	assertTrue(p1.isTerminated());
403	>	assertFalse(p1.isTerminating());
404	>	}
405	>
406	>	/**
407	>	* getQueue returns the work queue, which contains queued tasks
408	>	*/
409	>	public void testGetQueue() throws InterruptedException {
410	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
411	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
412	>	for (int i = 0; i < 5; i++) {
413	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
414		}
415		try {
416	<	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
417	<	assertTrue(p1.isTerminated());
418	<	assertFalse(p1.isTerminating());
419	<	} catch(Exception e){
420	<	unexpectedException();
421	<	}
416	>	Thread.sleep(SHORT_DELAY_MS);
417	>	BlockingQueue<Runnable> q = p1.getQueue();
418	>	assertTrue(q.contains(tasks[4]));
419	>	assertFalse(q.contains(tasks[0]));
420	>	} finally {
421	>	joinPool(p1);
422	>	}
423		}
424
425		/**
426	<	*   purge removes cancelled tasks from the queue
427	<	*/
428	<	public void testPurge() {
429	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
430	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
431	<	for(int i = 0; i < 5; i++){
432	<	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
433	<	}
434	<	int max = 5;
435	<	if (tasks[4].cancel(true)) --max;
436	<	if (tasks[3].cancel(true)) --max;
437	<	p1.purge();
438	<	long count = p1.getTaskCount();
439	<	assertTrue(count > 0 && count <= max);
440	<	joinPool(p1);
426	>	* remove(task) removes queued task, and fails to remove active task
427	>	*/
428	>	public void testRemove() throws InterruptedException {
429	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
430	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
431	>	for (int i = 0; i < 5; i++) {
432	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
433	>	}
434	>	try {
435	>	Thread.sleep(SHORT_DELAY_MS);
436	>	BlockingQueue<Runnable> q = p1.getQueue();
437	>	assertFalse(p1.remove((Runnable)tasks[0]));
438	>	assertTrue(q.contains((Runnable)tasks[4]));
439	>	assertTrue(q.contains((Runnable)tasks[3]));
440	>	assertTrue(p1.remove((Runnable)tasks[4]));
441	>	assertFalse(p1.remove((Runnable)tasks[4]));
442	>	assertFalse(q.contains((Runnable)tasks[4]));
443	>	assertTrue(q.contains((Runnable)tasks[3]));
444	>	assertTrue(p1.remove((Runnable)tasks[3]));
445	>	assertFalse(q.contains((Runnable)tasks[3]));
446	>	} finally {
447	>	joinPool(p1);
448	>	}
449	>	}
450	>
451	>	/**
452	>	*  purge removes cancelled tasks from the queue
453	>	*/
454	>	public void testPurge() throws InterruptedException {
455	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
456	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
457	>	for (int i = 0; i < 5; i++) {
458	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
459	>	}
460	>	try {
461	>	int max = 5;
462	>	if (tasks[4].cancel(true)) --max;
463	>	if (tasks[3].cancel(true)) --max;
464	>	// There must eventually be an interference-free point at
465	>	// which purge will not fail. (At worst, when queue is empty.)
466	>	int k;
467	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
468	>	p1.purge();
469	>	long count = p1.getTaskCount();
470	>	if (count >= 0 && count <= max)
471	>	break;
472	>	Thread.sleep(1);
473	>	}
474	>	assertTrue(k < SMALL_DELAY_MS);
475	>	} finally {
476	>	joinPool(p1);
477	>	}
478		}
479
480		/**
481		*  shutDownNow returns a list containing tasks that were not run
482		*/
483	<	public void testShutDownNow() {
484	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
485	<	for(int i = 0; i < 5; i++)
486	<	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
487	<	List l = p1.shutdownNow();
488	<	assertTrue(p1.isShutdown());
489	<	assertTrue(l.size() > 0 && l.size() <= 5);
483	>	public void testShutDownNow() throws InterruptedException {
484	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
485	>	for (int i = 0; i < 5; i++)
486	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
487	>	List l;
488	>	try {
489	>	l = p1.shutdownNow();
490	>	} catch (SecurityException ok) {
491	>	return;
492	>	}
493	>	assertTrue(p1.isShutdown());
494	>	assertTrue(l.size() > 0 && l.size() <= 5);
495		joinPool(p1);
496		}
497
#	Line 434 | Line 499 | public class ScheduledExecutorTest exten
499		* In default setting, shutdown cancels periodic but not delayed
500		* tasks at shutdown
501		*/
502	<	public void testShutDown1() {
503	<	try {
504	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
505	<	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
506	<	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
507	<
508	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
509	<	for(int i = 0; i < 5; i++)
510	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
511	<	p1.shutdown();
512	<	BlockingQueue q = p1.getQueue();
513	<	for (Iterator it = q.iterator(); it.hasNext();) {
514	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
515	<	assertFalse(t.isCancelled());
516	<	}
517	<	assertTrue(p1.isShutdown());
518	<	Thread.sleep(SMALL_DELAY_MS);
519	<	for (int i = 0; i < 5; ++i) {
520	<	assertTrue(tasks[i].isDone());
456	<	assertFalse(tasks[i].isCancelled());
457	<	}
458	<
459	<	}
460	<	catch(Exception ex) {
461	<	unexpectedException();
502	>	public void testShutDown1() throws InterruptedException {
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, MILLISECONDS);
510	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
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());
520	>	assertFalse(tasks[i].isCancelled());
521		}
522		}
523
#	Line 467 | Line 526 | public class ScheduledExecutorTest exten
526		* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
527		* delayed tasks are cancelled at shutdown
528		*/
529	<	public void testShutDown2() {
530	<	try {
531	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
532	<	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
533	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
534	<	for(int i = 0; i < 5; i++)
535	<	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
536	<	p1.shutdown();
537	<	assertTrue(p1.isShutdown());
538	<	BlockingQueue q = p1.getQueue();
539	<	assertTrue(q.isEmpty());
540	<	Thread.sleep(SMALL_DELAY_MS);
482	<	assertTrue(p1.isTerminated());
483	<	}
484	<	catch(Exception ex) {
485	<	unexpectedException();
486	<	}
529	>	public void testShutDown2() throws InterruptedException {
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, MILLISECONDS);
535	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
536	>	assertTrue(p1.isShutdown());
537	>	BlockingQueue q = p1.getQueue();
538	>	assertTrue(q.isEmpty());
539	>	Thread.sleep(SMALL_DELAY_MS);
540	>	assertTrue(p1.isTerminated());
541		}
542
543
#	Line 491 | Line 545 | public class ScheduledExecutorTest exten
545		* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
546		* periodic tasks are not cancelled at shutdown
547		*/
548	<	public void testShutDown3() {
549	<	try {
550	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
551	<	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
552	<	ScheduledCancellable task =
553	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
554	<	p1.shutdown();
555	<	assertTrue(p1.isShutdown());
556	<	BlockingQueue q = p1.getQueue();
557	<	assertTrue(q.isEmpty());
558	<	Thread.sleep(SHORT_DELAY_MS);
505	<	assertTrue(p1.isTerminated());
506	<	}
507	<	catch(Exception ex) {
508	<	unexpectedException();
509	<	}
548	>	public void testShutDown3() throws InterruptedException {
549	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
550	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
551	>	ScheduledFuture task =
552	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
553	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
554	>	assertTrue(p1.isShutdown());
555	>	BlockingQueue q = p1.getQueue();
556	>	assertTrue(q.isEmpty());
557	>	Thread.sleep(SHORT_DELAY_MS);
558	>	assertTrue(p1.isTerminated());
559		}
560
561		/**
562		* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
563		* periodic tasks are cancelled at shutdown
564		*/
565	<	public void testShutDown4() {
566	<	ScheduledExecutor p1 = new ScheduledExecutor(1);
565	>	public void testShutDown4() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
567		try {
568		p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
569	<	ScheduledCancellable task =
570	<	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
569	>	ScheduledFuture task =
570	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
571		assertFalse(task.isCancelled());
572	<	p1.shutdown();
572	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
573		assertFalse(task.isCancelled());
574		assertFalse(p1.isTerminated());
575		assertTrue(p1.isShutdown());
576		Thread.sleep(SHORT_DELAY_MS);
577		assertFalse(task.isCancelled());
578	<	task.cancel(true);
579	<	assertTrue(task.isCancelled());
578	>	assertTrue(task.cancel(true));
579	>	assertTrue(task.isDone());
580		Thread.sleep(SHORT_DELAY_MS);
581		assertTrue(p1.isTerminated());
582		}
534	–	catch(Exception ex) {
535	–	unexpectedException();
536	–	}
583		finally {
584	<	p1.shutdownNow();
584	>	joinPool(p1);
585	>	}
586	>	}
587	>
588	>	/**
589	>	* completed submit of callable returns result
590	>	*/
591	>	public void testSubmitCallable() throws Exception {
592	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
593	>	try {
594	>	Future<String> future = e.submit(new StringTask());
595	>	String result = future.get();
596	>	assertSame(TEST_STRING, result);
597	>	} finally {
598	>	joinPool(e);
599	>	}
600	>	}
601	>
602	>	/**
603	>	* completed submit of runnable returns successfully
604	>	*/
605	>	public void testSubmitRunnable() throws Exception {
606	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
607	>	try {
608	>	Future<?> future = e.submit(new NoOpRunnable());
609	>	future.get();
610	>	assertTrue(future.isDone());
611	>	} finally {
612	>	joinPool(e);
613		}
614		}
615
616	+	/**
617	+	* completed submit of (runnable, result) returns result
618	+	*/
619	+	public void testSubmitRunnable2() throws Exception {
620	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
621	+	try {
622	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
623	+	String result = future.get();
624	+	assertSame(TEST_STRING, result);
625	+	} finally {
626	+	joinPool(e);
627	+	}
628	+	}
629	+
630	+	/**
631	+	* invokeAny(null) throws NPE
632	+	*/
633	+	public void testInvokeAny1() throws Exception {
634	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
635	+	try {
636	+	e.invokeAny(null);
637	+	shouldThrow();
638	+	} catch (NullPointerException success) {
639	+	} finally {
640	+	joinPool(e);
641	+	}
642	+	}
643	+
644	+	/**
645	+	* invokeAny(empty collection) throws IAE
646	+	*/
647	+	public void testInvokeAny2() throws Exception {
648	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
649	+	try {
650	+	e.invokeAny(new ArrayList<Callable<String>>());
651	+	shouldThrow();
652	+	} catch (IllegalArgumentException success) {
653	+	} finally {
654	+	joinPool(e);
655	+	}
656	+	}
657	+
658	+	/**
659	+	* invokeAny(c) throws NPE if c has null elements
660	+	*/
661	+	public void testInvokeAny3() throws Exception {
662	+	final CountDownLatch latch = new CountDownLatch(1);
663	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
664	+	try {
665	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
666	+	l.add(new Callable<String>() {
667	+	public String call() {
668	+	try {
669	+	latch.await();
670	+	} catch (InterruptedException quittingTime) {}
671	+	return TEST_STRING;
672	+	}});
673	+	l.add(null);
674	+	e.invokeAny(l);
675	+	shouldThrow();
676	+	} catch (NullPointerException success) {
677	+	} finally {
678	+	latch.countDown();
679	+	joinPool(e);
680	+	}
681	+	}
682	+
683	+	/**
684	+	* invokeAny(c) throws ExecutionException if no task completes
685	+	*/
686	+	public void testInvokeAny4() throws Exception {
687	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
688	+	try {
689	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
690	+	l.add(new NPETask());
691	+	e.invokeAny(l);
692	+	shouldThrow();
693	+	} catch (ExecutionException success) {
694	+	assertTrue(success.getCause() instanceof NullPointerException);
695	+	} finally {
696	+	joinPool(e);
697	+	}
698	+	}
699	+
700	+	/**
701	+	* invokeAny(c) returns result of some task
702	+	*/
703	+	public void testInvokeAny5() throws Exception {
704	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
705	+	try {
706	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
707	+	l.add(new StringTask());
708	+	l.add(new StringTask());
709	+	String result = e.invokeAny(l);
710	+	assertSame(TEST_STRING, result);
711	+	} finally {
712	+	joinPool(e);
713	+	}
714	+	}
715	+
716	+	/**
717	+	* invokeAll(null) throws NPE
718	+	*/
719	+	public void testInvokeAll1() throws Exception {
720	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
721	+	try {
722	+	e.invokeAll(null);
723	+	shouldThrow();
724	+	} catch (NullPointerException success) {
725	+	} finally {
726	+	joinPool(e);
727	+	}
728	+	}
729	+
730	+	/**
731	+	* invokeAll(empty collection) returns empty collection
732	+	*/
733	+	public void testInvokeAll2() throws Exception {
734	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
735	+	try {
736	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
737	+	assertTrue(r.isEmpty());
738	+	} finally {
739	+	joinPool(e);
740	+	}
741	+	}
742	+
743	+	/**
744	+	* invokeAll(c) throws NPE if c has null elements
745	+	*/
746	+	public void testInvokeAll3() throws Exception {
747	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
748	+	try {
749	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
750	+	l.add(new StringTask());
751	+	l.add(null);
752	+	e.invokeAll(l);
753	+	shouldThrow();
754	+	} catch (NullPointerException success) {
755	+	} finally {
756	+	joinPool(e);
757	+	}
758	+	}
759	+
760	+	/**
761	+	* get of invokeAll(c) throws exception on failed task
762	+	*/
763	+	public void testInvokeAll4() throws Exception {
764	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
765	+	try {
766	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
767	+	l.add(new NPETask());
768	+	List<Future<String>> result = e.invokeAll(l);
769	+	assertEquals(1, result.size());
770	+	for (Future<String> future : result)
771	+	future.get();
772	+	shouldThrow();
773	+	} catch (ExecutionException success) {
774	+	assertTrue(success.getCause() instanceof NullPointerException);
775	+	} finally {
776	+	joinPool(e);
777	+	}
778	+	}
779	+
780	+	/**
781	+	* invokeAll(c) returns results of all completed tasks
782	+	*/
783	+	public void testInvokeAll5() throws Exception {
784	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
785	+	try {
786	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
787	+	l.add(new StringTask());
788	+	l.add(new StringTask());
789	+	List<Future<String>> result = e.invokeAll(l);
790	+	assertEquals(2, result.size());
791	+	for (Future<String> future : result)
792	+	assertSame(TEST_STRING, future.get());
793	+	} finally {
794	+	joinPool(e);
795	+	}
796	+	}
797	+
798	+	/**
799	+	* timed invokeAny(null) throws NPE
800	+	*/
801	+	public void testTimedInvokeAny1() throws Exception {
802	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
803	+	try {
804	+	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
805	+	shouldThrow();
806	+	} catch (NullPointerException success) {
807	+	} finally {
808	+	joinPool(e);
809	+	}
810	+	}
811	+
812	+	/**
813	+	* timed invokeAny(,,null) throws NPE
814	+	*/
815	+	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
816	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
817	+	try {
818	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
819	+	l.add(new StringTask());
820	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
821	+	shouldThrow();
822	+	} catch (NullPointerException success) {
823	+	} finally {
824	+	joinPool(e);
825	+	}
826	+	}
827	+
828	+	/**
829	+	* timed invokeAny(empty collection) throws IAE
830	+	*/
831	+	public void testTimedInvokeAny2() throws Exception {
832	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
833	+	try {
834	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
835	+	shouldThrow();
836	+	} catch (IllegalArgumentException success) {
837	+	} finally {
838	+	joinPool(e);
839	+	}
840	+	}
841	+
842	+	/**
843	+	* timed invokeAny(c) throws NPE if c has null elements
844	+	*/
845	+	public void testTimedInvokeAny3() throws Exception {
846	+	final CountDownLatch latch = new CountDownLatch(1);
847	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
848	+	try {
849	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
850	+	l.add(new Callable<String>() {
851	+	public String call() {
852	+	try {
853	+	latch.await();
854	+	} catch (InterruptedException quittingTime) {}
855	+	return TEST_STRING;
856	+	}});
857	+	l.add(null);
858	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
859	+	shouldThrow();
860	+	} catch (NullPointerException success) {
861	+	} finally {
862	+	latch.countDown();
863	+	joinPool(e);
864	+	}
865	+	}
866	+
867	+	/**
868	+	* timed invokeAny(c) throws ExecutionException if no task completes
869	+	*/
870	+	public void testTimedInvokeAny4() throws Exception {
871	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
872	+	try {
873	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
874	+	l.add(new NPETask());
875	+	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
876	+	shouldThrow();
877	+	} catch (ExecutionException success) {
878	+	assertTrue(success.getCause() instanceof NullPointerException);
879	+	} finally {
880	+	joinPool(e);
881	+	}
882	+	}
883	+
884	+	/**
885	+	* timed invokeAny(c) returns result of some task
886	+	*/
887	+	public void testTimedInvokeAny5() throws Exception {
888	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
889	+	try {
890	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
891	+	l.add(new StringTask());
892	+	l.add(new StringTask());
893	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
894	+	assertSame(TEST_STRING, result);
895	+	} finally {
896	+	joinPool(e);
897	+	}
898	+	}
899	+
900	+	/**
901	+	* timed invokeAll(null) throws NPE
902	+	*/
903	+	public void testTimedInvokeAll1() throws Exception {
904	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	+	try {
906	+	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
907	+	shouldThrow();
908	+	} catch (NullPointerException success) {
909	+	} finally {
910	+	joinPool(e);
911	+	}
912	+	}
913	+
914	+	/**
915	+	* timed invokeAll(,,null) throws NPE
916	+	*/
917	+	public void testTimedInvokeAllNullTimeUnit() throws Exception {
918	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	+	try {
920	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
921	+	l.add(new StringTask());
922	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
923	+	shouldThrow();
924	+	} catch (NullPointerException success) {
925	+	} finally {
926	+	joinPool(e);
927	+	}
928	+	}
929	+
930	+	/**
931	+	* timed invokeAll(empty collection) returns empty collection
932	+	*/
933	+	public void testTimedInvokeAll2() throws Exception {
934	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
935	+	try {
936	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
937	+	assertTrue(r.isEmpty());
938	+	} finally {
939	+	joinPool(e);
940	+	}
941	+	}
942	+
943	+	/**
944	+	* timed invokeAll(c) throws NPE if c has null elements
945	+	*/
946	+	public void testTimedInvokeAll3() throws Exception {
947	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
948	+	try {
949	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
950	+	l.add(new StringTask());
951	+	l.add(null);
952	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
953	+	shouldThrow();
954	+	} catch (NullPointerException success) {
955	+	} finally {
956	+	joinPool(e);
957	+	}
958	+	}
959	+
960	+	/**
961	+	* get of element of invokeAll(c) throws exception on failed task
962	+	*/
963	+	public void testTimedInvokeAll4() throws Exception {
964	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
965	+	try {
966	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
967	+	l.add(new NPETask());
968	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
969	+	assertEquals(1, result.size());
970	+	for (Future<String> future : result)
971	+	future.get();
972	+	shouldThrow();
973	+	} catch (ExecutionException success) {
974	+	assertTrue(success.getCause() instanceof NullPointerException);
975	+	} finally {
976	+	joinPool(e);
977	+	}
978	+	}
979	+
980	+	/**
981	+	* timed invokeAll(c) returns results of all completed tasks
982	+	*/
983	+	public void testTimedInvokeAll5() throws Exception {
984	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
985	+	try {
986	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
987	+	l.add(new StringTask());
988	+	l.add(new StringTask());
989	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
990	+	assertEquals(2, result.size());
991	+	for (Future<String> future : result)
992	+	assertSame(TEST_STRING, future.get());
993	+	} finally {
994	+	joinPool(e);
995	+	}
996	+	}
997	+
998	+	/**
999	+	* timed invokeAll(c) cancels tasks not completed by timeout
1000	+	*/
1001	+	public void testTimedInvokeAll6() throws Exception {
1002	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1003	+	try {
1004	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1005	+	l.add(new StringTask());
1006	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1007	+	l.add(new StringTask());
1008	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1009	+	assertEquals(3, result.size());
1010	+	Iterator<Future<String>> it = result.iterator();
1011	+	Future<String> f1 = it.next();
1012	+	Future<String> f2 = it.next();
1013	+	Future<String> f3 = it.next();
1014	+	assertTrue(f1.isDone());
1015	+	assertTrue(f2.isDone());
1016	+	assertTrue(f3.isDone());
1017	+	assertFalse(f1.isCancelled());
1018	+	assertTrue(f2.isCancelled());
1019	+	} finally {
1020	+	joinPool(e);
1021	+	}
1022	+	}
1023	+
1024	+
1025		}

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