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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.3 by dl, Mon Sep 8 12:12:42 2003 UTC vs.
Revision 1.22 by jsr166, Mon Nov 2 20:28:32 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 java.util.concurrent.atomic.*;
13
14	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
14	>	public class ScheduledExecutorTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
19	–
20	–
18		public static Test suite() {
19		return new TestSuite(ScheduledExecutorTest.class);
20		}
21
25	–	private static long SHORT_DELAY_MS = 100;
26	–	private static long MEDIUM_DELAY_MS = 1000;
27	–	private static long LONG_DELAY_MS = 10000;
28	–
29	–	static class MyRunnable implements Runnable {
30	–	volatile boolean waiting = true;
31	–	volatile boolean done = false;
32	–	public void run(){
33	–	try{
34	–	Thread.sleep(SHORT_DELAY_MS);
35	–	waiting = false;
36	–	done = true;
37	–	} catch(Exception e){
38	–	}
39	–	}
40	–	}
41	–
42	–	static class MyCallable implements Callable {
43	–	volatile boolean waiting = true;
44	–	volatile boolean done = false;
45	–	public Object call(){
46	–	try{
47	–	Thread.sleep(SHORT_DELAY_MS);
48	–	waiting = false;
49	–	done = true;
50	–	}catch(Exception e){}
51	–	return Boolean.TRUE;
52	–	}
53	–	}
54	–
55	–	public Runnable newRunnable(){
56	–	return new Runnable(){
57	–	public void run(){
58	–	try{Thread.sleep(SHORT_DELAY_MS);
59	–	} catch(Exception e){
60	–	}
61	–	}
62	–	};
63	–	}
64	–
65	–	public Runnable newNoopRunnable() {
66	–	return new Runnable(){
67	–	public void run(){
68	–	}
69	–	};
70	–	}
22
23		/**
24	<	*  Test to verify execute successfully runs the given Runnable
25	<	*/
26	<	public void testExecute(){
27	<	try{
28	<	MyRunnable runnable =new MyRunnable();
29	<	ScheduledExecutor one = new ScheduledExecutor(1);
30	<	one.execute(runnable);
31	<	Thread.sleep(SHORT_DELAY_MS/2);
32	<	assertTrue(runnable.waiting);
33	<	one.shutdown();
34	<	try{
24	>	* execute successfully executes a runnable
25	>	*/
26	>	public void testExecute() {
27	>	try {
28	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
29	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30	>	p1.execute(runnable);
31	>	assertFalse(runnable.done);
32	>	Thread.sleep(SHORT_DELAY_MS);
33	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
34	>	try {
35		Thread.sleep(MEDIUM_DELAY_MS);
36		} catch(InterruptedException e){
37	<	fail("unexpected exception");
37	>	unexpectedException();
38		}
88	–	assertFalse(runnable.waiting);
39		assertTrue(runnable.done);
40	<	one.shutdown();
40	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
41	>	joinPool(p1);
42		}
43		catch(Exception e){
44	<	fail("unexpected exception");
44	>	unexpectedException();
45		}
46	+
47		}
48
49	+
50		/**
51	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
51	>	* delayed schedule of callable successfully executes after delay
52		*/
53	<	public void testSchedule1(){
54	<	try{
55	<	MyCallable callable = new MyCallable();
56	<	ScheduledExecutor one = new ScheduledExecutor(1);
57	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	<	assertTrue(callable.waiting);
53	>	public void testSchedule1() {
54	>	try {
55	>	TrackedCallable callable = new TrackedCallable();
56	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
57	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	>	assertFalse(callable.done);
59		Thread.sleep(MEDIUM_DELAY_MS);
60		assertTrue(callable.done);
61		assertEquals(Boolean.TRUE, f.get());
62	<	one.shutdown();
63	<	}catch(RejectedExecutionException e){}
62	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
63	>	joinPool(p1);
64	>	} catch(RejectedExecutionException e){}
65		catch(Exception e){
66	<	fail("unexpected exception");
66	>	e.printStackTrace();
67	>	unexpectedException();
68		}
69		}
70
71		/**
72	<	*  Another version of schedule, only using Runnable instead of Callable
72	>	*  delayed schedule of runnable successfully executes after delay
73		*/
74	<	public void testSchedule3(){
75	<	try{
76	<	MyRunnable runnable = new MyRunnable();
77	<	ScheduledExecutor one = new ScheduledExecutor(1);
78	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
79	<	Thread.sleep(SHORT_DELAY_MS/2);
80	<	assertTrue(runnable.waiting);
74	>	public void testSchedule3() {
75	>	try {
76	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
77	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
78	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
79	>	Thread.sleep(SHORT_DELAY_MS);
80	>	assertFalse(runnable.done);
81		Thread.sleep(MEDIUM_DELAY_MS);
82		assertTrue(runnable.done);
83	<	one.shutdown();
83	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
84	>	joinPool(p1);
85		} catch(Exception e){
86	<	fail("unexpected exception");
86	>	unexpectedException();
87		}
88		}
89	<
89	>
90		/**
91	<	*  The final version of schedule, using both long, TimeUnit and Runnable
91	>	* scheduleAtFixedRate executes runnable after given initial delay
92		*/
93	<	public void testSchedule4(){
94	<	try{
95	<	MyRunnable runnable = new MyRunnable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	//      Thread.sleep(505);
145	<	assertTrue(runnable.waiting);
93	>	public void testSchedule4() {
94	>	try {
95	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
96	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
97	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	>	assertFalse(runnable.done);
99		Thread.sleep(MEDIUM_DELAY_MS);
100		assertTrue(runnable.done);
101	<	one.shutdown();
101	>	h.cancel(true);
102	>	joinPool(p1);
103		} catch(Exception e){
104	<	fail("unexpected exception");
104	>	unexpectedException();
105		}
106		}
107	<
108	<
109	<	// exception tests
107	>
108	>	static class RunnableCounter implements Runnable {
109	>	AtomicInteger count = new AtomicInteger(0);
110	>	public void run() { count.getAndIncrement(); }
111	>	}
112
113		/**
114	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
114	>	* scheduleWithFixedDelay executes runnable after given initial delay
115		*/
116	<	public void testSchedule1_RejectedExecutionException(){
117	<	try{
118	<	ScheduledExecutor se = new ScheduledExecutor(1);
119	<	se.shutdown();
120	<	se.schedule(new Runnable(){
121	<	public void run(){}
122	<	}, 10000, TimeUnit.MILLISECONDS);
123	<	fail("shoud throw");
124	<	}catch(RejectedExecutionException e){}
116	>	public void testSchedule5() {
117	>	try {
118	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
119	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
120	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
121	>	assertFalse(runnable.done);
122	>	Thread.sleep(MEDIUM_DELAY_MS);
123	>	assertTrue(runnable.done);
124	>	h.cancel(true);
125	>	joinPool(p1);
126	>	} catch(Exception e){
127	>	unexpectedException();
128	>	}
129		}
130
131		/**
132	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
132	>	* scheduleAtFixedRate executes series of tasks at given rate
133		*/
134	<	public void testSchedule2_RejectedExecutionException(){
135	<	try{
136	<	ScheduledExecutor se = new ScheduledExecutor(1);
137	<	se.shutdown();
138	<	se.schedule(new Callable(){
139	<	public Object call(){
140	<	return Boolean.TRUE;
141	<	}
142	<	}, (long)100, TimeUnit.SECONDS);
143	<	fail("should throw");
144	<	}catch(RejectedExecutionException e){}
134	>	public void testFixedRateSequence() {
135	>	try {
136	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
137	>	RunnableCounter counter = new RunnableCounter();
138	>	ScheduledFuture h =
139	>	p1.scheduleAtFixedRate(counter, 0, 1, TimeUnit.MILLISECONDS);
140	>	Thread.sleep(SMALL_DELAY_MS);
141	>	h.cancel(true);
142	>	int c = counter.count.get();
143	>	// By time scaling conventions, we must have at least
144	>	// an execution per SHORT delay, but no more than one SHORT more
145	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
146	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
147	>	joinPool(p1);
148	>	} catch(Exception e){
149	>	unexpectedException();
150	>	}
151		}
152
153		/**
154	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
155	<	*  This occurs on an attempt to schedule a task on a shutdown executor
156	<	*/
157	<	public void testSchedule3_RejectedExecutionException(){
158	<	try{
159	<	ScheduledExecutor se = new ScheduledExecutor(1);
160	<	se.shutdown();
161	<	se.schedule(new Callable(){
162	<	public Object call(){
163	<	return Boolean.TRUE;
164	<	}
165	<	},  10000, TimeUnit.MILLISECONDS);
166	<	fail("should throw");
167	<	}catch(RejectedExecutionException e){}
154	>	* scheduleWithFixedDelay executes series of tasks with given period
155	>	*/
156	>	public void testFixedDelaySequence() {
157	>	try {
158	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
159	>	RunnableCounter counter = new RunnableCounter();
160	>	ScheduledFuture h =
161	>	p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS);
162	>	Thread.sleep(SMALL_DELAY_MS);
163	>	h.cancel(true);
164	>	int c = counter.count.get();
165	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
166	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
167	>	joinPool(p1);
168	>	} catch(Exception e){
169	>	unexpectedException();
170	>	}
171		}
172
173	+
174		/**
175	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
176	<	*  RejectedExecutionException.
177	<	*  This occurs on an attempt to schedule a task on a shutdown executor
178	<	*/
179	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
180	<	try{
181	<	ScheduledExecutor se = new ScheduledExecutor(1);
175	>	*  execute (null) throws NPE
176	>	*/
177	>	public void testExecuteNull() {
178	>	ScheduledThreadPoolExecutor se = null;
179	>	try {
180	>	se = new ScheduledThreadPoolExecutor(1);
181	>	se.execute(null);
182	>	shouldThrow();
183	>	} catch(NullPointerException success){}
184	>	catch(Exception e){
185	>	unexpectedException();
186	>	}
187	>
188	>	joinPool(se);
189	>	}
190	>
191	>	/**
192	>	* schedule (null) throws NPE
193	>	*/
194	>	public void testScheduleNull() {
195	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
196	>	try {
197	>	TrackedCallable callable = null;
198	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
199	>	shouldThrow();
200	>	} catch(NullPointerException success){}
201	>	catch(Exception e){
202	>	unexpectedException();
203	>	}
204	>	joinPool(se);
205	>	}
206	>
207	>	/**
208	>	* execute throws RejectedExecutionException if shutdown
209	>	*/
210	>	public void testSchedule1_RejectedExecutionException() {
211	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
212	>	try {
213		se.shutdown();
214	<	se.scheduleAtFixedRate(new Runnable(){
215	<	public void run(){}
216	<	}, 100, 100, TimeUnit.SECONDS);
217	<	fail("should throw");
218	<	}catch(RejectedExecutionException e){}
219	<	}
220	<
221	<	/**
222	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
223	<	*  RejectedExecutionException.
224	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	<	*/
226	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
227	<	try{
228	<	ScheduledExecutor se = new ScheduledExecutor(1);
214	>	se.schedule(new NoOpRunnable(),
215	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
216	>	shouldThrow();
217	>	} catch(RejectedExecutionException success){
218	>	} catch (SecurityException ok) {
219	>	}
220	>
221	>	joinPool(se);
222	>
223	>	}
224	>
225	>	/**
226	>	* schedule throws RejectedExecutionException if shutdown
227	>	*/
228	>	public void testSchedule2_RejectedExecutionException() {
229	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	>	try {
231		se.shutdown();
232	<	se.scheduleAtFixedRate(new Runnable(){
233	<	public void run(){}
234	<	},  1, 100, TimeUnit.SECONDS);
235	<	fail("should throw");
236	<	}catch(RejectedExecutionException e){}
232	>	se.schedule(new NoOpCallable(),
233	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
234	>	shouldThrow();
235	>	} catch(RejectedExecutionException success){
236	>	} catch (SecurityException ok) {
237	>	}
238	>	joinPool(se);
239		}
240
241		/**
242	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
240	<	*  RejectedExecutionException.
241	<	*  This occurs on an attempt to schedule a task on a shutdown executor
242	>	* schedule callable throws RejectedExecutionException if shutdown
243		*/
244	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
245	<	try{
246	<	ScheduledExecutor se = new ScheduledExecutor(1);
244	>	public void testSchedule3_RejectedExecutionException() {
245	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
246	>	try {
247		se.shutdown();
248	<	se.scheduleWithFixedDelay(new Runnable(){
249	<	public void run(){}
250	<	}, 100, 100, TimeUnit.SECONDS);
251	<	fail("should throw");
252	<	}catch(RejectedExecutionException e){}
248	>	se.schedule(new NoOpCallable(),
249	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
250	>	shouldThrow();
251	>	} catch(RejectedExecutionException success){
252	>	} catch (SecurityException ok) {
253	>	}
254	>	joinPool(se);
255		}
256
257		/**
258	<	*  Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws
256	<	*  RejectedExecutionException.
257	<	*  This occurs on an attempt to schedule a task on a shutdown executor
258	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
259		*/
260	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
261	<	try{
262	<	ScheduledExecutor se = new ScheduledExecutor(1);
260	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
261	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
262	>	try {
263		se.shutdown();
264	<	se.scheduleWithFixedDelay(new Runnable(){
265	<	public void run(){}
266	<	},  1, 100, TimeUnit.SECONDS);
267	<	fail("should throw");
268	<	}catch(RejectedExecutionException e){}
264	>	se.scheduleAtFixedRate(new NoOpRunnable(),
265	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
266	>	shouldThrow();
267	>	} catch(RejectedExecutionException success){
268	>	} catch (SecurityException ok) {
269	>	}
270	>	joinPool(se);
271		}
272
273		/**
274	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
274	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
275		*/
276	<	public void testExecute_RejectedExecutionException(){
277	<	try{
278	<	ScheduledExecutor se = new ScheduledExecutor(1);
276	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
277	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
278	>	try {
279		se.shutdown();
280	<	se.execute(new Runnable(){
281	<	public void run(){}
282	<	});
283	<	fail("should throw");
284	<	}catch(RejectedExecutionException e){}
280	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
281	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
282	>	shouldThrow();
283	>	} catch(RejectedExecutionException success){
284	>	} catch (SecurityException ok) {
285	>	}
286	>	joinPool(se);
287		}
288
289	+	/**
290	+	*  getActiveCount increases but doesn't overestimate, when a
291	+	*  thread becomes active
292	+	*/
293	+	public void testGetActiveCount() {
294	+	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
295	+	assertEquals(0, p2.getActiveCount());
296	+	p2.execute(new SmallRunnable());
297	+	try {
298	+	Thread.sleep(SHORT_DELAY_MS);
299	+	} catch(Exception e){
300	+	unexpectedException();
301	+	}
302	+	assertEquals(1, p2.getActiveCount());
303	+	joinPool(p2);
304	+	}
305	+
306	+	/**
307	+	*    getCompletedTaskCount increases, but doesn't overestimate,
308	+	*   when tasks complete
309	+	*/
310	+	public void testGetCompletedTaskCount() {
311	+	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
312	+	assertEquals(0, p2.getCompletedTaskCount());
313	+	p2.execute(new SmallRunnable());
314	+	try {
315	+	Thread.sleep(MEDIUM_DELAY_MS);
316	+	} catch(Exception e){
317	+	unexpectedException();
318	+	}
319	+	assertEquals(1, p2.getCompletedTaskCount());
320	+	joinPool(p2);
321	+	}
322
323	+	/**
324	+	*  getCorePoolSize returns size given in constructor if not otherwise set
325	+	*/
326	+	public void testGetCorePoolSize() {
327	+	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
328	+	assertEquals(1, p1.getCorePoolSize());
329	+	joinPool(p1);
330	+	}
331
332		/**
333	<	*  Test to verify getActiveCount gives correct values
333	>	*    getLargestPoolSize increases, but doesn't overestimate, when
334	>	*   multiple threads active
335		*/
336	<	public void testGetActiveCount(){
337	<	ScheduledExecutor two = new ScheduledExecutor(2);
336	>	public void testGetLargestPoolSize() {
337	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
338	>	assertEquals(0, p2.getLargestPoolSize());
339	>	p2.execute(new SmallRunnable());
340	>	p2.execute(new SmallRunnable());
341		try {
342	<	assertEquals(0, two.getActiveCount());
343	<	two.execute(newRunnable());
344	<	try{
296	<	Thread.sleep(SHORT_DELAY_MS/2);
297	<	} catch(Exception e){
298	<	fail("unexpected exception");
299	<	}
300	<	assertEquals(1, two.getActiveCount());
301	<	} finally {
302	<	two.shutdown();
342	>	Thread.sleep(SHORT_DELAY_MS);
343	>	} catch(Exception e){
344	>	unexpectedException();
345		}
346	+	assertEquals(2, p2.getLargestPoolSize());
347	+	joinPool(p2);
348	+	}
349	+
350	+	/**
351	+	*   getPoolSize increases, but doesn't overestimate, when threads
352	+	*   become active
353	+	*/
354	+	public void testGetPoolSize() {
355	+	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
356	+	assertEquals(0, p1.getPoolSize());
357	+	p1.execute(new SmallRunnable());
358	+	assertEquals(1, p1.getPoolSize());
359	+	joinPool(p1);
360		}
361	<
361	>
362		/**
363	<	*  Test to verify getCompleteTaskCount gives correct values
363	>	*    getTaskCount increases, but doesn't overestimate, when tasks
364	>	*    submitted
365		*/
366	<	public void testGetCompletedTaskCount(){
367	<	ScheduledExecutor two = new ScheduledExecutor(2);
366	>	public void testGetTaskCount() {
367	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
368	>	assertEquals(0, p1.getTaskCount());
369	>	for(int i = 0; i < 5; i++)
370	>	p1.execute(new SmallRunnable());
371		try {
372	<	assertEquals(0, two.getCompletedTaskCount());
373	<	two.execute(newRunnable());
374	<	try{
315	<	Thread.sleep(MEDIUM_DELAY_MS/2);
316	<	} catch(Exception e){
317	<	fail("unexpected exception");
318	<	}
319	<	assertEquals(1, two.getCompletedTaskCount());
320	<	} finally {
321	<	two.shutdown();
372	>	Thread.sleep(SHORT_DELAY_MS);
373	>	} catch(Exception e){
374	>	unexpectedException();
375		}
376	+	assertEquals(5, p1.getTaskCount());
377	+	joinPool(p1);
378		}
379	<
379	>
380		/**
381	<	*  Test to verify getCorePoolSize gives correct values
381	>	* getThreadFactory returns factory in constructor if not set
382		*/
383	<	public void testGetCorePoolSize(){
384	<	ScheduledExecutor one = new ScheduledExecutor(1);
383	>	public void testGetThreadFactory() {
384	>	ThreadFactory tf = new SimpleThreadFactory();
385	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
386	>	assertSame(tf, p.getThreadFactory());
387	>	joinPool(p);
388	>	}
389	>
390	>	/**
391	>	* setThreadFactory sets the thread factory returned by getThreadFactory
392	>	*/
393	>	public void testSetThreadFactory() {
394	>	ThreadFactory tf = new SimpleThreadFactory();
395	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
396	>	p.setThreadFactory(tf);
397	>	assertSame(tf, p.getThreadFactory());
398	>	joinPool(p);
399	>	}
400	>
401	>	/**
402	>	* setThreadFactory(null) throws NPE
403	>	*/
404	>	public void testSetThreadFactoryNull() {
405	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
406		try {
407	<	assertEquals(1, one.getCorePoolSize());
407	>	p.setThreadFactory(null);
408	>	shouldThrow();
409	>	} catch (NullPointerException success) {
410		} finally {
411	<	one.shutdown();
411	>	joinPool(p);
412		}
413		}
414	<
414	>
415		/**
416	<	*  Test to verify getLargestPoolSize gives correct values
416	>	*   is isShutDown is false before shutdown, true after
417		*/
418	<	public void testGetLargestPoolSize(){
419	<	ScheduledExecutor two = new ScheduledExecutor(2);
418	>	public void testIsShutdown() {
419	>
420	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
421		try {
422	<	assertEquals(0, two.getLargestPoolSize());
423	<	two.execute(newRunnable());
424	<	two.execute(newRunnable());
425	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS/2);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
352	<	} finally {
353	<	two.shutdown();
422	>	assertFalse(p1.isShutdown());
423	>	}
424	>	finally {
425	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
426		}
427	+	assertTrue(p1.isShutdown());
428		}
429	<
429	>
430	>
431		/**
432	<	*  Test to verify getPoolSize gives correct values
432	>	*   isTerminated is false before termination, true after
433		*/
434	<	public void testGetPoolSize(){
435	<	ScheduledExecutor one = new ScheduledExecutor(1);
436	<	try {
437	<	assertEquals(0, one.getPoolSize());
364	<	one.execute(newRunnable());
365	<	assertEquals(1, one.getPoolSize());
434	>	public void testIsTerminated() {
435	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
436	>	try {
437	>	p1.execute(new SmallRunnable());
438		} finally {
439	<	one.shutdown();
439	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
440	>	}
441	>	try {
442	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
443	>	assertTrue(p1.isTerminated());
444	>	} catch(Exception e){
445	>	unexpectedException();
446		}
447		}
448	<
448	>
449		/**
450	<	*  Test to verify getTaskCount gives correct values
450	>	*  isTerminating is not true when running or when terminated
451		*/
452	<	public void testGetTaskCount(){
453	<	ScheduledExecutor one = new ScheduledExecutor(1);
452	>	public void testIsTerminating() {
453	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
454	>	assertFalse(p1.isTerminating());
455		try {
456	<	assertEquals(0, one.getTaskCount());
457	<	for(int i = 0; i < 5; i++)
379	<	one.execute(newRunnable());
380	<	try{
381	<	Thread.sleep(SHORT_DELAY_MS/2);
382	<	} catch(Exception e){
383	<	fail("unexpected exception");
384	<	}
385	<	assertEquals(5, one.getTaskCount());
456	>	p1.execute(new SmallRunnable());
457	>	assertFalse(p1.isTerminating());
458		} finally {
459	<	one.shutdown();
459	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
460	>	}
461	>	try {
462	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
463	>	assertTrue(p1.isTerminated());
464	>	assertFalse(p1.isTerminating());
465	>	} catch(Exception e){
466	>	unexpectedException();
467		}
468		}
469	<
469	>
470		/**
471	<	*  Test to verify isShutDown gives correct values
471	>	* getQueue returns the work queue, which contains queued tasks
472		*/
473	<	public void testIsShutdown(){
474	<
475	<	ScheduledExecutor one = new ScheduledExecutor(1);
476	<	try {
477	<	assertFalse(one.isShutdown());
473	>	public void testGetQueue() {
474	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
475	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
476	>	for(int i = 0; i < 5; i++){
477	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
478		}
479	<	finally {
480	<	one.shutdown();
479	>	try {
480	>	Thread.sleep(SHORT_DELAY_MS);
481	>	BlockingQueue<Runnable> q = p1.getQueue();
482	>	assertTrue(q.contains(tasks[4]));
483	>	assertFalse(q.contains(tasks[0]));
484	>	} catch(Exception e) {
485	>	unexpectedException();
486	>	} finally {
487	>	joinPool(p1);
488		}
403	–	assertTrue(one.isShutdown());
489		}
490
406	–
491		/**
492	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
492	>	* remove(task) removes queued task, and fails to remove active task
493		*/
494	<	public void testIsTerminated(){
495	<	ScheduledExecutor one = new ScheduledExecutor(1);
494	>	public void testRemove() {
495	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
496	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
497	>	for(int i = 0; i < 5; i++){
498	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
499	>	}
500		try {
501	<	one.execute(newRunnable());
501	>	Thread.sleep(SHORT_DELAY_MS);
502	>	BlockingQueue<Runnable> q = p1.getQueue();
503	>	assertFalse(p1.remove((Runnable)tasks[0]));
504	>	assertTrue(q.contains((Runnable)tasks[4]));
505	>	assertTrue(q.contains((Runnable)tasks[3]));
506	>	assertTrue(p1.remove((Runnable)tasks[4]));
507	>	assertFalse(p1.remove((Runnable)tasks[4]));
508	>	assertFalse(q.contains((Runnable)tasks[4]));
509	>	assertTrue(q.contains((Runnable)tasks[3]));
510	>	assertTrue(p1.remove((Runnable)tasks[3]));
511	>	assertFalse(q.contains((Runnable)tasks[3]));
512	>	} catch(Exception e) {
513	>	unexpectedException();
514		} finally {
515	<	one.shutdown();
515	>	joinPool(p1);
516		}
419	–	boolean flag = false;
420	–	try{
421	–	flag = one.awaitTermination(10, TimeUnit.SECONDS);
422	–	} catch(Exception e){
423	–	fail("unexpected exception");
424	–	}
425	–	assertTrue(one.isTerminated());
426	–	if(!flag)
427	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
517		}
518
519		/**
520	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
520	>	*  purge removes cancelled tasks from the queue
521		*/
522	<	public void testPurge(){
523	<	ScheduledExecutor one = new ScheduledExecutor(1);
522	>	public void testPurge() {
523	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
524	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
525	>	for(int i = 0; i < 5; i++){
526	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
527	>	}
528		try {
437	–	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
438	–	for(int i = 0; i < 5; i++){
439	–	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
440	–	}
529		int max = 5;
530		if (tasks[4].cancel(true)) --max;
531		if (tasks[3].cancel(true)) --max;
532	<	one.purge();
533	<	long count = one.getTaskCount();
534	<	assertTrue(count > 0 && count <= max);
532	>	// There must eventually be an interference-free point at
533	>	// which purge will not fail. (At worst, when queue is empty.)
534	>	int k;
535	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
536	>	p1.purge();
537	>	long count = p1.getTaskCount();
538	>	if (count >= 0 && count <= max)
539	>	break;
540	>	Thread.sleep(1);
541	>	}
542	>	assertTrue(k < SMALL_DELAY_MS);
543	>	} catch(Exception e) {
544	>	unexpectedException();
545		} finally {
546	<	one.shutdown();
546	>	joinPool(p1);
547		}
548		}
549
550		/**
551	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
551	>	*  shutDownNow returns a list containing tasks that were not run
552		*/
553	<	public void testShutDownNow(){
554	<	ScheduledExecutor one = new ScheduledExecutor(1);
553	>	public void testShutDownNow() {
554	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
555		for(int i = 0; i < 5; i++)
556	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
557	<	List l = one.shutdownNow();
558	<	assertTrue(one.isShutdown());
556	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
557	>	List l;
558	>	try {
559	>	l = p1.shutdownNow();
560	>	} catch (SecurityException ok) {
561	>	return;
562	>	}
563	>	assertTrue(p1.isShutdown());
564		assertTrue(l.size() > 0 && l.size() <= 5);
565	+	joinPool(p1);
566		}
567
568	<	public void testShutDown1(){
568	>	/**
569	>	* In default setting, shutdown cancels periodic but not delayed
570	>	* tasks at shutdown
571	>	*/
572	>	public void testShutDown1() {
573		try {
574	<	ScheduledExecutor one = new ScheduledExecutor(1);
575	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
576	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
574	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
575	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
576	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
577
578	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
578	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
579		for(int i = 0; i < 5; i++)
580	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
581	<	one.shutdown();
582	<	BlockingQueue q = one.getQueue();
580	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
581	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
582	>	BlockingQueue q = p1.getQueue();
583		for (Iterator it = q.iterator(); it.hasNext();) {
584	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
584	>	ScheduledFuture t = (ScheduledFuture)it.next();
585		assertFalse(t.isCancelled());
586		}
587	<	assertTrue(one.isShutdown());
588	<	Thread.sleep(SHORT_DELAY_MS);
587	>	assertTrue(p1.isShutdown());
588	>	Thread.sleep(SMALL_DELAY_MS);
589		for (int i = 0; i < 5; ++i) {
590		assertTrue(tasks[i].isDone());
591		assertFalse(tasks[i].isCancelled());
592		}
593	<
593	>
594		}
595		catch(Exception ex) {
596	<	fail("unexpected exception");
596	>	unexpectedException();
597		}
598		}
599
600
601	<	public void testShutDown2(){
601	>	/**
602	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
603	>	* delayed tasks are cancelled at shutdown
604	>	*/
605	>	public void testShutDown2() {
606		try {
607	<	ScheduledExecutor one = new ScheduledExecutor(1);
608	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
609	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
607	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
608	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
609	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
610		for(int i = 0; i < 5; i++)
611	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
612	<	one.shutdown();
613	<	assertTrue(one.isShutdown());
614	<	BlockingQueue q = one.getQueue();
611	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
612	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
613	>	assertTrue(p1.isShutdown());
614	>	BlockingQueue q = p1.getQueue();
615		assertTrue(q.isEmpty());
616	<	Thread.sleep(SHORT_DELAY_MS);
617	<	assertTrue(one.isTerminated());
616	>	Thread.sleep(SMALL_DELAY_MS);
617	>	assertTrue(p1.isTerminated());
618		}
619		catch(Exception ex) {
620	<	fail("unexpected exception");
620	>	unexpectedException();
621		}
622		}
623
624
625	<	public void testShutDown3(){
625	>	/**
626	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
627	>	* periodic tasks are not cancelled at shutdown
628	>	*/
629	>	public void testShutDown3() {
630		try {
631	<	ScheduledExecutor one = new ScheduledExecutor(1);
632	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633	<	ScheduledCancellable task =
634	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	<	one.shutdown();
636	<	assertTrue(one.isShutdown());
637	<	BlockingQueue q = one.getQueue();
631	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
632	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
633	>	ScheduledFuture task =
634	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
635	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
636	>	assertTrue(p1.isShutdown());
637	>	BlockingQueue q = p1.getQueue();
638		assertTrue(q.isEmpty());
639		Thread.sleep(SHORT_DELAY_MS);
640	<	assertTrue(one.isTerminated());
640	>	assertTrue(p1.isTerminated());
641		}
642		catch(Exception ex) {
643	<	fail("unexpected exception");
643	>	unexpectedException();
644		}
645		}
646
647	<	public void testShutDown4(){
648	<	ScheduledExecutor one = new ScheduledExecutor(1);
647	>	/**
648	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
649	>	* periodic tasks are cancelled at shutdown
650	>	*/
651	>	public void testShutDown4() {
652	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
653		try {
654	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
655	<	ScheduledCancellable task =
656	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
654	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
655	>	ScheduledFuture task =
656	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS);
657		assertFalse(task.isCancelled());
658	<	one.shutdown();
658	>	try { p1.shutdown(); } catch(SecurityException ok) { return; }
659		assertFalse(task.isCancelled());
660	<	assertFalse(one.isTerminated());
661	<	assertTrue(one.isShutdown());
660	>	assertFalse(p1.isTerminated());
661	>	assertTrue(p1.isShutdown());
662		Thread.sleep(SHORT_DELAY_MS);
663		assertFalse(task.isCancelled());
664	<	task.cancel(true);
665	<	assertTrue(task.isCancelled());
664	>	assertTrue(task.cancel(true));
665	>	assertTrue(task.isDone());
666		Thread.sleep(SHORT_DELAY_MS);
667	<	assertTrue(one.isTerminated());
667	>	assertTrue(p1.isTerminated());
668		}
669		catch(Exception ex) {
670	<	fail("unexpected exception");
670	>	unexpectedException();
671		}
672		finally {
673	<	one.shutdownNow();
673	>	joinPool(p1);
674		}
675		}
676
677	+	/**
678	+	* completed submit of callable returns result
679	+	*/
680	+	public void testSubmitCallable() {
681	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
682	+	try {
683	+	Future<String> future = e.submit(new StringTask());
684	+	String result = future.get();
685	+	assertSame(TEST_STRING, result);
686	+	}
687	+	catch (ExecutionException ex) {
688	+	unexpectedException();
689	+	}
690	+	catch (InterruptedException ex) {
691	+	unexpectedException();
692	+	} finally {
693	+	joinPool(e);
694	+	}
695	+	}
696	+
697	+	/**
698	+	* completed submit of runnable returns successfully
699	+	*/
700	+	public void testSubmitRunnable() {
701	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
702	+	try {
703	+	Future<?> future = e.submit(new NoOpRunnable());
704	+	future.get();
705	+	assertTrue(future.isDone());
706	+	}
707	+	catch (ExecutionException ex) {
708	+	unexpectedException();
709	+	}
710	+	catch (InterruptedException ex) {
711	+	unexpectedException();
712	+	} finally {
713	+	joinPool(e);
714	+	}
715	+	}
716	+
717	+	/**
718	+	* completed submit of (runnable, result) returns result
719	+	*/
720	+	public void testSubmitRunnable2() {
721	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
722	+	try {
723	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
724	+	String result = future.get();
725	+	assertSame(TEST_STRING, result);
726	+	}
727	+	catch (ExecutionException ex) {
728	+	unexpectedException();
729	+	}
730	+	catch (InterruptedException ex) {
731	+	unexpectedException();
732	+	} finally {
733	+	joinPool(e);
734	+	}
735	+	}
736	+
737	+	/**
738	+	* invokeAny(null) throws NPE
739	+	*/
740	+	public void testInvokeAny1() {
741	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
742	+	try {
743	+	e.invokeAny(null);
744	+	} catch (NullPointerException success) {
745	+	} catch(Exception ex) {
746	+	unexpectedException();
747	+	} finally {
748	+	joinPool(e);
749	+	}
750	+	}
751	+
752	+	/**
753	+	* invokeAny(empty collection) throws IAE
754	+	*/
755	+	public void testInvokeAny2() {
756	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
757	+	try {
758	+	e.invokeAny(new ArrayList<Callable<String>>());
759	+	} catch (IllegalArgumentException success) {
760	+	} catch(Exception ex) {
761	+	unexpectedException();
762	+	} finally {
763	+	joinPool(e);
764	+	}
765	+	}
766	+
767	+	/**
768	+	* invokeAny(c) throws NPE if c has null elements
769	+	*/
770	+	public void testInvokeAny3() {
771	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
772	+	try {
773	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
774	+	l.add(new StringTask());
775	+	l.add(null);
776	+	e.invokeAny(l);
777	+	} catch (NullPointerException success) {
778	+	} catch(Exception ex) {
779	+	unexpectedException();
780	+	} finally {
781	+	joinPool(e);
782	+	}
783	+	}
784	+
785	+	/**
786	+	* invokeAny(c) throws ExecutionException if no task completes
787	+	*/
788	+	public void testInvokeAny4() {
789	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
790	+	try {
791	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
792	+	l.add(new NPETask());
793	+	e.invokeAny(l);
794	+	} catch (ExecutionException success) {
795	+	} catch(Exception ex) {
796	+	unexpectedException();
797	+	} finally {
798	+	joinPool(e);
799	+	}
800	+	}
801	+
802	+	/**
803	+	* invokeAny(c) returns result of some task
804	+	*/
805	+	public void testInvokeAny5() {
806	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
807	+	try {
808	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
809	+	l.add(new StringTask());
810	+	l.add(new StringTask());
811	+	String result = e.invokeAny(l);
812	+	assertSame(TEST_STRING, result);
813	+	} catch (ExecutionException success) {
814	+	} catch(Exception ex) {
815	+	unexpectedException();
816	+	} finally {
817	+	joinPool(e);
818	+	}
819	+	}
820	+
821	+	/**
822	+	* invokeAll(null) throws NPE
823	+	*/
824	+	public void testInvokeAll1() {
825	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
826	+	try {
827	+	e.invokeAll(null);
828	+	} catch (NullPointerException success) {
829	+	} catch(Exception ex) {
830	+	unexpectedException();
831	+	} finally {
832	+	joinPool(e);
833	+	}
834	+	}
835	+
836	+	/**
837	+	* invokeAll(empty collection) returns empty collection
838	+	*/
839	+	public void testInvokeAll2() {
840	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
841	+	try {
842	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
843	+	assertTrue(r.isEmpty());
844	+	} catch(Exception ex) {
845	+	unexpectedException();
846	+	} finally {
847	+	joinPool(e);
848	+	}
849	+	}
850	+
851	+	/**
852	+	* invokeAll(c) throws NPE if c has null elements
853	+	*/
854	+	public void testInvokeAll3() {
855	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
856	+	try {
857	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
858	+	l.add(new StringTask());
859	+	l.add(null);
860	+	e.invokeAll(l);
861	+	} catch (NullPointerException success) {
862	+	} catch(Exception ex) {
863	+	unexpectedException();
864	+	} finally {
865	+	joinPool(e);
866	+	}
867	+	}
868	+
869	+	/**
870	+	* get of invokeAll(c) throws exception on failed task
871	+	*/
872	+	public void testInvokeAll4() {
873	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
874	+	try {
875	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
876	+	l.add(new NPETask());
877	+	List<Future<String>> result = e.invokeAll(l);
878	+	assertEquals(1, result.size());
879	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
880	+	it.next().get();
881	+	} catch(ExecutionException success) {
882	+	} catch(Exception ex) {
883	+	unexpectedException();
884	+	} finally {
885	+	joinPool(e);
886	+	}
887	+	}
888	+
889	+	/**
890	+	* invokeAll(c) returns results of all completed tasks
891	+	*/
892	+	public void testInvokeAll5() {
893	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
894	+	try {
895	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
896	+	l.add(new StringTask());
897	+	l.add(new StringTask());
898	+	List<Future<String>> result = e.invokeAll(l);
899	+	assertEquals(2, result.size());
900	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
901	+	assertSame(TEST_STRING, it.next().get());
902	+	} catch (ExecutionException success) {
903	+	} catch(Exception ex) {
904	+	unexpectedException();
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909	+
910	+	/**
911	+	* timed invokeAny(null) throws NPE
912	+	*/
913	+	public void testTimedInvokeAny1() {
914	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915	+	try {
916	+	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
917	+	} catch (NullPointerException success) {
918	+	} catch(Exception ex) {
919	+	unexpectedException();
920	+	} finally {
921	+	joinPool(e);
922	+	}
923	+	}
924	+
925	+	/**
926	+	* timed invokeAny(,,null) throws NPE
927	+	*/
928	+	public void testTimedInvokeAnyNullTimeUnit() {
929	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
930	+	try {
931	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
932	+	l.add(new StringTask());
933	+	e.invokeAny(l, MEDIUM_DELAY_MS, null);
934	+	} catch (NullPointerException success) {
935	+	} catch(Exception ex) {
936	+	unexpectedException();
937	+	} finally {
938	+	joinPool(e);
939	+	}
940	+	}
941	+
942	+	/**
943	+	* timed invokeAny(empty collection) throws IAE
944	+	*/
945	+	public void testTimedInvokeAny2() {
946	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
947	+	try {
948	+	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
949	+	} catch (IllegalArgumentException success) {
950	+	} catch(Exception ex) {
951	+	unexpectedException();
952	+	} finally {
953	+	joinPool(e);
954	+	}
955	+	}
956	+
957	+	/**
958	+	* timed invokeAny(c) throws NPE if c has null elements
959	+	*/
960	+	public void testTimedInvokeAny3() {
961	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
962	+	try {
963	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
964	+	l.add(new StringTask());
965	+	l.add(null);
966	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
967	+	} catch (NullPointerException success) {
968	+	} catch(Exception ex) {
969	+	ex.printStackTrace();
970	+	unexpectedException();
971	+	} finally {
972	+	joinPool(e);
973	+	}
974	+	}
975	+
976	+	/**
977	+	* timed invokeAny(c) throws ExecutionException if no task completes
978	+	*/
979	+	public void testTimedInvokeAny4() {
980	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
981	+	try {
982	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
983	+	l.add(new NPETask());
984	+	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
985	+	} catch(ExecutionException success) {
986	+	} catch(Exception ex) {
987	+	unexpectedException();
988	+	} finally {
989	+	joinPool(e);
990	+	}
991	+	}
992	+
993	+	/**
994	+	* timed invokeAny(c) returns result of some task
995	+	*/
996	+	public void testTimedInvokeAny5() {
997	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
998	+	try {
999	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1000	+	l.add(new StringTask());
1001	+	l.add(new StringTask());
1002	+	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1003	+	assertSame(TEST_STRING, result);
1004	+	} catch (ExecutionException success) {
1005	+	} catch(Exception ex) {
1006	+	unexpectedException();
1007	+	} finally {
1008	+	joinPool(e);
1009	+	}
1010	+	}
1011	+
1012	+	/**
1013	+	* timed invokeAll(null) throws NPE
1014	+	*/
1015	+	public void testTimedInvokeAll1() {
1016	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1017	+	try {
1018	+	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1019	+	} catch (NullPointerException success) {
1020	+	} catch(Exception ex) {
1021	+	unexpectedException();
1022	+	} finally {
1023	+	joinPool(e);
1024	+	}
1025	+	}
1026	+
1027	+	/**
1028	+	* timed invokeAll(,,null) throws NPE
1029	+	*/
1030	+	public void testTimedInvokeAllNullTimeUnit() {
1031	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1032	+	try {
1033	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1034	+	l.add(new StringTask());
1035	+	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1036	+	} catch (NullPointerException success) {
1037	+	} catch(Exception ex) {
1038	+	unexpectedException();
1039	+	} finally {
1040	+	joinPool(e);
1041	+	}
1042	+	}
1043	+
1044	+	/**
1045	+	* timed invokeAll(empty collection) returns empty collection
1046	+	*/
1047	+	public void testTimedInvokeAll2() {
1048	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1049	+	try {
1050	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1051	+	assertTrue(r.isEmpty());
1052	+	} catch(Exception ex) {
1053	+	unexpectedException();
1054	+	} finally {
1055	+	joinPool(e);
1056	+	}
1057	+	}
1058	+
1059	+	/**
1060	+	* timed invokeAll(c) throws NPE if c has null elements
1061	+	*/
1062	+	public void testTimedInvokeAll3() {
1063	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1064	+	try {
1065	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1066	+	l.add(new StringTask());
1067	+	l.add(null);
1068	+	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1069	+	} catch (NullPointerException success) {
1070	+	} catch(Exception ex) {
1071	+	unexpectedException();
1072	+	} finally {
1073	+	joinPool(e);
1074	+	}
1075	+	}
1076	+
1077	+	/**
1078	+	* get of element of invokeAll(c) throws exception on failed task
1079	+	*/
1080	+	public void testTimedInvokeAll4() {
1081	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1082	+	try {
1083	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1084	+	l.add(new NPETask());
1085	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1086	+	assertEquals(1, result.size());
1087	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1088	+	it.next().get();
1089	+	} catch(ExecutionException success) {
1090	+	} catch(Exception ex) {
1091	+	unexpectedException();
1092	+	} finally {
1093	+	joinPool(e);
1094	+	}
1095	+	}
1096	+
1097	+	/**
1098	+	* timed invokeAll(c) returns results of all completed tasks
1099	+	*/
1100	+	public void testTimedInvokeAll5() {
1101	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1102	+	try {
1103	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1104	+	l.add(new StringTask());
1105	+	l.add(new StringTask());
1106	+	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1107	+	assertEquals(2, result.size());
1108	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1109	+	assertSame(TEST_STRING, it.next().get());
1110	+	} catch (ExecutionException success) {
1111	+	} catch(Exception ex) {
1112	+	unexpectedException();
1113	+	} finally {
1114	+	joinPool(e);
1115	+	}
1116	+	}
1117	+
1118	+	/**
1119	+	* timed invokeAll(c) cancels tasks not completed by timeout
1120	+	*/
1121	+	public void testTimedInvokeAll6() {
1122	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1123	+	try {
1124	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1125	+	l.add(new StringTask());
1126	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1127	+	l.add(new StringTask());
1128	+	List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1129	+	assertEquals(3, result.size());
1130	+	Iterator<Future<String>> it = result.iterator();
1131	+	Future<String> f1 = it.next();
1132	+	Future<String> f2 = it.next();
1133	+	Future<String> f3 = it.next();
1134	+	assertTrue(f1.isDone());
1135	+	assertTrue(f2.isDone());
1136	+	assertTrue(f3.isDone());
1137	+	assertFalse(f1.isCancelled());
1138	+	assertTrue(f2.isCancelled());
1139	+	} catch(Exception ex) {
1140	+	unexpectedException();
1141	+	} finally {
1142	+	joinPool(e);
1143	+	}
1144	+	}
1145	+
1146	+
1147		}

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