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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 1.25 by jsr166, Fri Nov 20 22:58:48 2009 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
2	>	* Written by Doug Lea with assistance from members of JCP JSR-166
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
13	+	import java.util.concurrent.atomic.*;
14
15	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
15	<
15	>	public class ScheduledExecutorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run (suite());
18		}
19	–
20	–
19		public static Test suite() {
20		return new TestSuite(ScheduledExecutorTest.class);
21		}
22
23	<	private static long SHORT_DELAY_MS = 100;
24	<	private static long MEDIUM_DELAY_MS = 1000;
25	<	private static long LONG_DELAY_MS = 10000;
26	<
27	<	static class MyRunnable implements Runnable {
28	<	volatile boolean waiting = true;
29	<	volatile boolean done = false;
30	<	public void run(){
31	<	try{
32	<	Thread.sleep(SHORT_DELAY_MS);
33	<	waiting = false;
34	<	done = true;
35	<	} catch(Exception e){
36	<	}
37	<	}
23	>
24	>	/**
25	>	* execute successfully executes a runnable
26	>	*/
27	>	public void testExecute() throws InterruptedException {
28	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
29	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
30	>	p1.execute(runnable);
31	>	assertFalse(runnable.done);
32	>	Thread.sleep(SHORT_DELAY_MS);
33	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
34	>	Thread.sleep(MEDIUM_DELAY_MS);
35	>	assertTrue(runnable.done);
36	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
37	>	joinPool(p1);
38		}
39
40	<	static class MyCallable implements Callable {
41	<	volatile boolean waiting = true;
42	<	volatile boolean done = false;
43	<	public Object call(){
44	<	try{
45	<	Thread.sleep(SHORT_DELAY_MS);
46	<	waiting = false;
47	<	done = true;
48	<	}catch(Exception e){}
49	<	return Boolean.TRUE;
50	<	}
40	>
41	>	/**
42	>	* delayed schedule of callable successfully executes after delay
43	>	*/
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	<	public Runnable newRunnable(){
57	<	return new Runnable(){
58	<	public void run(){
59	<	try{Thread.sleep(SHORT_DELAY_MS);
60	<	} catch(Exception e){
61	<	}
62	<	}
63	<	};
64	<	}
65	<
66	<	public Runnable newNoopRunnable() {
67	<	return new Runnable(){
68	<	public void run(){
68	<	}
69	<	};
56	>	/**
57	>	*  delayed schedule of runnable successfully executes after delay
58	>	*/
59	>	public void testSchedule3() throws InterruptedException {
60	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
61	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
62	>	p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS);
63	>	Thread.sleep(SHORT_DELAY_MS);
64	>	assertFalse(runnable.done);
65	>	Thread.sleep(MEDIUM_DELAY_MS);
66	>	assertTrue(runnable.done);
67	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
68	>	joinPool(p1);
69		}
70
71		/**
72	<	*  Test to verify execute successfully runs the given Runnable
73	<	*/
74	<	public void testExecute(){
75	<	try{
76	<	MyRunnable runnable =new MyRunnable();
77	<	ScheduledExecutor one = new ScheduledExecutor(1);
78	<	one.execute(runnable);
79	<	Thread.sleep(SHORT_DELAY_MS/2);
80	<	assertTrue(runnable.waiting);
81	<	one.shutdown();
82	<	try{
83	<	Thread.sleep(MEDIUM_DELAY_MS);
84	<	} catch(InterruptedException e){
85	<	fail("unexpected exception");
86	<	}
87	<	assertFalse(runnable.waiting);
89	<	assertTrue(runnable.done);
90	<	one.shutdown();
91	<	}
92	<	catch(Exception e){
93	<	fail("unexpected exception");
94	<	}
72	>	* scheduleAtFixedRate executes runnable after given initial delay
73	>	*/
74	>	public void testSchedule4() throws InterruptedException {
75	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
76	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
77	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
78	>	assertFalse(runnable.done);
79	>	Thread.sleep(MEDIUM_DELAY_MS);
80	>	assertTrue(runnable.done);
81	>	h.cancel(true);
82	>	joinPool(p1);
83	>	}
84	>
85	>	static class RunnableCounter implements Runnable {
86	>	AtomicInteger count = new AtomicInteger(0);
87	>	public void run() { count.getAndIncrement(); }
88		}
89
90		/**
91	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
91	>	* scheduleWithFixedDelay executes runnable after given initial delay
92		*/
93	<	public void testSchedule1(){
94	<	try{
95	<	MyCallable callable = new MyCallable();
96	<	ScheduledExecutor one = new ScheduledExecutor(1);
97	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
98	<	assertTrue(callable.waiting);
99	<	Thread.sleep(MEDIUM_DELAY_MS);
100	<	assertTrue(callable.done);
101	<	assertEquals(Boolean.TRUE, f.get());
111	<	one.shutdown();
112	<	}catch(RejectedExecutionException e){}
113	<	catch(Exception e){
114	<	fail("unexpected exception");
115	<	}
93	>	public void testSchedule5() throws InterruptedException {
94	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
95	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
96	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS);
97	>	assertFalse(runnable.done);
98	>	Thread.sleep(MEDIUM_DELAY_MS);
99	>	assertTrue(runnable.done);
100	>	h.cancel(true);
101	>	joinPool(p1);
102		}
103
104		/**
105	<	*  Another version of schedule, only using Runnable instead of Callable
105	>	* scheduleAtFixedRate executes series of tasks at given rate
106		*/
107	<	public void testSchedule3(){
108	<	try{
109	<	MyRunnable runnable = new MyRunnable();
110	<	ScheduledExecutor one = new ScheduledExecutor(1);
111	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
112	<	Thread.sleep(SHORT_DELAY_MS/2);
113	<	assertTrue(runnable.waiting);
114	<	Thread.sleep(MEDIUM_DELAY_MS);
115	<	assertTrue(runnable.done);
116	<	one.shutdown();
117	<	} catch(Exception e){
118	<	fail("unexpected exception");
119	<	}
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	<
121	>
122		/**
123	<	*  The final version of schedule, using both long, TimeUnit and Runnable
123	>	* scheduleWithFixedDelay executes series of tasks with given period
124		*/
125	<	public void testSchedule4(){
126	<	try{
127	<	MyRunnable runnable = new MyRunnable();
128	<	ScheduledExecutor one = new ScheduledExecutor(1);
129	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
130	<	//      Thread.sleep(505);
131	<	assertTrue(runnable.waiting);
132	<	Thread.sleep(MEDIUM_DELAY_MS);
133	<	assertTrue(runnable.done);
134	<	one.shutdown();
135	<	} catch(Exception e){
150	<	fail("unexpected exception");
151	<	}
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	<
154	<
155	<	// exception tests
137	>
138
139		/**
140	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
140	>	*  execute (null) throws NPE
141		*/
142	<	public void testSchedule1_RejectedExecutionException(){
143	<	try{
144	<	ScheduledExecutor se = new ScheduledExecutor(1);
145	<	se.shutdown();
146	<	se.schedule(new Runnable(){
147	<	public void run(){}
148	<	}, 10000, TimeUnit.MILLISECONDS);
149	<	fail("shoud throw");
150	<	}catch(RejectedExecutionException e){}
142	>	public void testExecuteNull() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor se = null;
144	>	try {
145	>	se = new ScheduledThreadPoolExecutor(1);
146	>	se.execute(null);
147	>	shouldThrow();
148	>	} catch (NullPointerException success) {}
149	>
150	>	joinPool(se);
151		}
152
153		/**
154	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
154	>	* schedule (null) throws NPE
155		*/
156	<	public void testSchedule2_RejectedExecutionException(){
157	<	try{
158	<	ScheduledExecutor se = new ScheduledExecutor(1);
159	<	se.shutdown();
160	<	se.schedule(new Callable(){
161	<	public Object call(){
162	<	return Boolean.TRUE;
163	<	}
184	<	}, (long)100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
156	>	public void testScheduleNull() throws InterruptedException {
157	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
158	>	try {
159	>	TrackedCallable callable = null;
160	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
161	>	shouldThrow();
162	>	} catch (NullPointerException success) {}
163	>	joinPool(se);
164		}
165
166		/**
167	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
168	<	*  This occurs on an attempt to schedule a task on a shutdown executor
169	<	*/
170	<	public void testSchedule3_RejectedExecutionException(){
171	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
167	>	* execute throws RejectedExecutionException if shutdown
168	>	*/
169	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
170	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
171	>	try {
172		se.shutdown();
173	<	se.schedule(new Callable(){
174	<	public Object call(){
175	<	return Boolean.TRUE;
176	<	}
177	<	},  10000, TimeUnit.MILLISECONDS);
178	<	fail("should throw");
179	<	}catch(RejectedExecutionException e){}
173	>	se.schedule(new NoOpRunnable(),
174	>	MEDIUM_DELAY_MS, MILLISECONDS);
175	>	shouldThrow();
176	>	} catch (RejectedExecutionException success) {
177	>	} catch (SecurityException ok) {
178	>	}
179	>
180	>	joinPool(se);
181	>
182		}
183
184		/**
185	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
186	<	*  RejectedExecutionException.
187	<	*  This occurs on an attempt to schedule a task on a shutdown executor
188	<	*/
189	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
212	<	try{
213	<	ScheduledExecutor se = new ScheduledExecutor(1);
214	<	se.shutdown();
215	<	se.scheduleAtFixedRate(new Runnable(){
216	<	public void run(){}
217	<	}, 100, 100, TimeUnit.SECONDS);
218	<	fail("should throw");
219	<	}catch(RejectedExecutionException e){}
220	<	}
221	<
222	<	/**
223	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
224	<	*  RejectedExecutionException.
225	<	*  This occurs on an attempt to schedule a task on a shutdown executor
226	<	*/
227	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
185	>	* schedule throws RejectedExecutionException if shutdown
186	>	*/
187	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
188	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
189	>	try {
190		se.shutdown();
191	<	se.scheduleAtFixedRate(new Runnable(){
192	<	public void run(){}
193	<	},  1, 100, TimeUnit.SECONDS);
194	<	fail("should throw");
195	<	}catch(RejectedExecutionException e){}
191	>	se.schedule(new NoOpCallable(),
192	>	MEDIUM_DELAY_MS, MILLISECONDS);
193	>	shouldThrow();
194	>	} catch (RejectedExecutionException success) {
195	>	} catch (SecurityException ok) {
196	>	}
197	>	joinPool(se);
198		}
199
200		/**
201	<	*  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
201	>	* schedule callable throws RejectedExecutionException if shutdown
202		*/
203	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
204	<	try{
205	<	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.scheduleWithFixedDelay(new Runnable(){
208	<	public void run(){}
209	<	}, 100, 100, TimeUnit.SECONDS);
210	<	fail("should throw");
211	<	}catch(RejectedExecutionException e){}
207	>	se.schedule(new NoOpCallable(),
208	>	MEDIUM_DELAY_MS, MILLISECONDS);
209	>	shouldThrow();
210	>	} catch (RejectedExecutionException success) {
211	>	} catch (SecurityException ok) {
212	>	}
213	>	joinPool(se);
214		}
215
216		/**
217	<	*  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
217	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
218		*/
219	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
220	<	try{
221	<	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.scheduleWithFixedDelay(new Runnable(){
224	<	public void run(){}
225	<	},  1, 100, TimeUnit.SECONDS);
226	<	fail("should throw");
227	<	}catch(RejectedExecutionException e){}
223	>	se.scheduleAtFixedRate(new NoOpRunnable(),
224	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
225	>	shouldThrow();
226	>	} catch (RejectedExecutionException success) {
227	>	} catch (SecurityException ok) {
228	>	}
229	>	joinPool(se);
230		}
231
232		/**
233	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
233	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
234		*/
235	<	public void testExecute_RejectedExecutionException(){
236	<	try{
237	<	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.execute(new Runnable(){
240	<	public void run(){}
241	<	});
242	<	fail("should throw");
243	<	}catch(RejectedExecutionException e){}
239	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
240	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
241	>	shouldThrow();
242	>	} catch (RejectedExecutionException success) {
243	>	} catch (SecurityException ok) {
244	>	}
245	>	joinPool(se);
246	>	}
247	>
248	>	/**
249	>	*  getActiveCount increases but doesn't overestimate, when a
250	>	*  thread becomes active
251	>	*/
252	>	public void testGetActiveCount() throws InterruptedException {
253	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
254	>	assertEquals(0, p2.getActiveCount());
255	>	p2.execute(new SmallRunnable());
256	>	Thread.sleep(SHORT_DELAY_MS);
257	>	assertEquals(1, p2.getActiveCount());
258	>	joinPool(p2);
259	>	}
260	>
261	>	/**
262	>	*    getCompletedTaskCount increases, but doesn't overestimate,
263	>	*   when tasks complete
264	>	*/
265	>	public void testGetCompletedTaskCount() throws InterruptedException {
266	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
267	>	assertEquals(0, p2.getCompletedTaskCount());
268	>	p2.execute(new SmallRunnable());
269	>	Thread.sleep(MEDIUM_DELAY_MS);
270	>	assertEquals(1, p2.getCompletedTaskCount());
271	>	joinPool(p2);
272	>	}
273	>
274	>	/**
275	>	*  getCorePoolSize returns size given in constructor if not otherwise set
276	>	*/
277	>	public void testGetCorePoolSize() throws InterruptedException {
278	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
279	>	assertEquals(1, p1.getCorePoolSize());
280	>	joinPool(p1);
281		}
282
283	+	/**
284	+	*    getLargestPoolSize increases, but doesn't overestimate, when
285	+	*   multiple threads active
286	+	*/
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	+	Thread.sleep(SHORT_DELAY_MS);
293	+	assertEquals(2, p2.getLargestPoolSize());
294	+	joinPool(p2);
295	+	}
296	+
297	+	/**
298	+	*   getPoolSize increases, but doesn't overestimate, when threads
299	+	*   become active
300	+	*/
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	+
309	+	/**
310	+	*    getTaskCount increases, but doesn't overestimate, when tasks
311	+	*    submitted
312	+	*/
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++)
317	+	p1.execute(new SmallRunnable());
318	+	Thread.sleep(SHORT_DELAY_MS);
319	+	assertEquals(5, p1.getTaskCount());
320	+	joinPool(p1);
321	+	}
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	<	*  Test to verify getActiveCount gives correct values
345	>	* setThreadFactory(null) throws NPE
346		*/
347	<	public void testGetActiveCount(){
348	<	ScheduledExecutor two = new ScheduledExecutor(2);
347	>	public void testSetThreadFactoryNull() throws InterruptedException {
348	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
349		try {
350	<	assertEquals(0, two.getActiveCount());
351	<	two.execute(newRunnable());
352	<	try{
296	<	Thread.sleep(SHORT_DELAY_MS/2);
297	<	} catch(Exception e){
298	<	fail("unexpected exception");
299	<	}
300	<	assertEquals(1, two.getActiveCount());
350	>	p.setThreadFactory(null);
351	>	shouldThrow();
352	>	} catch (NullPointerException success) {
353		} finally {
354	<	two.shutdown();
354	>	joinPool(p);
355		}
356		}
357	<
357	>
358		/**
359	<	*  Test to verify getCompleteTaskCount gives correct values
359	>	*   is isShutDown is false before shutdown, true after
360		*/
361	<	public void testGetCompletedTaskCount(){
362	<	ScheduledExecutor two = new ScheduledExecutor(2);
361	>	public void testIsShutdown() {
362	>
363	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
364		try {
365	<	assertEquals(0, two.getCompletedTaskCount());
366	<	two.execute(newRunnable());
367	<	try{
368	<	Thread.sleep(MEDIUM_DELAY_MS/2);
369	<	} catch(Exception e){
370	<	fail("unexpected exception");
371	<	}
372	<	assertEquals(1, two.getCompletedTaskCount());
365	>	assertFalse(p1.isShutdown());
366	>	}
367	>	finally {
368	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
369	>	}
370	>	assertTrue(p1.isShutdown());
371	>	}
372	>
373	>
374	>	/**
375	>	*   isTerminated is false before termination, true after
376	>	*/
377	>	public void testIsTerminated() throws InterruptedException {
378	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
379	>	try {
380	>	p1.execute(new SmallRunnable());
381		} finally {
382	<	two.shutdown();
382	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
383		}
384	+	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
385	+	assertTrue(p1.isTerminated());
386		}
387	<
387	>
388		/**
389	<	*  Test to verify getCorePoolSize gives correct values
389	>	*  isTerminating is not true when running or when terminated
390		*/
391	<	public void testGetCorePoolSize(){
392	<	ScheduledExecutor one = new ScheduledExecutor(1);
391	>	public void testIsTerminating() throws InterruptedException {
392	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
393	>	assertFalse(p1.isTerminating());
394		try {
395	<	assertEquals(1, one.getCorePoolSize());
395	>	p1.execute(new SmallRunnable());
396	>	assertFalse(p1.isTerminating());
397		} finally {
398	<	one.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	<
405	>
406		/**
407	<	*  Test to verify getLargestPoolSize gives correct values
407	>	* getQueue returns the work queue, which contains queued tasks
408		*/
409	<	public void testGetLargestPoolSize(){
410	<	ScheduledExecutor two = new ScheduledExecutor(2);
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	<	assertEquals(0, two.getLargestPoolSize());
417	<	two.execute(newRunnable());
418	<	two.execute(newRunnable());
419	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS/2);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
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	<	two.shutdown();
421	>	joinPool(p1);
422		}
423		}
424	<
424	>
425		/**
426	<	*  Test to verify getPoolSize gives correct values
426	>	* remove(task) removes queued task, and fails to remove active task
427		*/
428	<	public void testGetPoolSize(){
429	<	ScheduledExecutor one = new ScheduledExecutor(1);
430	<	try {
431	<	assertEquals(0, one.getPoolSize());
432	<	one.execute(newRunnable());
433	<	assertEquals(1, one.getPoolSize());
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	<	one.shutdown();
447	>	joinPool(p1);
448		}
449		}
450	<
450	>
451		/**
452	<	*  Test to verify getTaskCount gives correct values
452	>	*  purge removes cancelled tasks from the queue
453		*/
454	<	public void testGetTaskCount(){
455	<	ScheduledExecutor one = new ScheduledExecutor(1);
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	<	assertEquals(0, one.getTaskCount());
462	<	for(int i = 0; i < 5; i++)
463	<	one.execute(newRunnable());
464	<	try{
465	<	Thread.sleep(SHORT_DELAY_MS/2);
466	<	} catch(Exception e){
467	<	fail("unexpected exception");
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	<	assertEquals(5, one.getTaskCount());
474	>	assertTrue(k < SMALL_DELAY_MS);
475		} finally {
476	<	one.shutdown();
476	>	joinPool(p1);
477	>	}
478	>	}
479	>
480	>	/**
481	>	*  shutDownNow returns a list containing tasks that were not run
482	>	*/
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	>
498	>	/**
499	>	* In default setting, shutdown cancels periodic but not delayed
500	>	* tasks at shutdown
501	>	*/
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	+
524	+
525	+	/**
526	+	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
527	+	* delayed tasks are cancelled at shutdown
528	+	*/
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	<
542	>
543	>
544		/**
545	<	*  Test to verify isShutDown gives correct values
545	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
546	>	* periodic tasks are not cancelled at shutdown
547		*/
548	<	public void testIsShutdown(){
549	<
550	<	ScheduledExecutor one = new ScheduledExecutor(1);
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() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
567		try {
568	<	assertFalse(one.isShutdown());
568	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
569	>	ScheduledFuture task =
570	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
571	>	assertFalse(task.isCancelled());
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	>	assertTrue(task.cancel(true));
579	>	assertTrue(task.isDone());
580	>	Thread.sleep(SHORT_DELAY_MS);
581	>	assertTrue(p1.isTerminated());
582		}
583		finally {
584	<	one.shutdown();
584	>	joinPool(p1);
585		}
403	–	assertTrue(one.isShutdown());
586		}
587
406	–
588		/**
589	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
589	>	* completed submit of callable returns result
590		*/
591	<	public void testIsTerminated(){
592	<	ScheduledExecutor one = new ScheduledExecutor(1);
591	>	public void testSubmitCallable() throws Exception {
592	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
593		try {
594	<	one.execute(newRunnable());
594	>	Future<String> future = e.submit(new StringTask());
595	>	String result = future.get();
596	>	assertSame(TEST_STRING, result);
597		} finally {
598	<	one.shutdown();
598	>	joinPool(e);
599		}
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");
600		}
601
602		/**
603	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
603	>	* completed submit of runnable returns successfully
604		*/
605	<	public void testPurge(){
606	<	ScheduledExecutor one = new ScheduledExecutor(1);
605	>	public void testSubmitRunnable() throws Exception {
606	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
607		try {
608	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
609	<	for(int i = 0; i < 5; i++){
610	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
440	<	}
441	<	int max = 5;
442	<	if (tasks[4].cancel(true)) --max;
443	<	if (tasks[3].cancel(true)) --max;
444	<	one.purge();
445	<	long count = one.getTaskCount();
446	<	assertTrue(count > 0 && count <= max);
608	>	Future<?> future = e.submit(new NoOpRunnable());
609	>	future.get();
610	>	assertTrue(future.isDone());
611		} finally {
612	<	one.shutdown();
612	>	joinPool(e);
613		}
614		}
615
616		/**
617	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
617	>	* completed submit of (runnable, result) returns result
618		*/
619	<	public void testShutDownNow(){
620	<	ScheduledExecutor one = new ScheduledExecutor(1);
621	<	for(int i = 0; i < 5; i++)
622	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
623	<	List l = one.shutdownNow();
624	<	assertTrue(one.isShutdown());
625	<	assertTrue(l.size() > 0 && l.size() <= 5);
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	<	public void testShutDown1(){
630	>	/**
631	>	* invokeAny(null) throws NPE
632	>	*/
633	>	public void testInvokeAny1() throws Exception {
634	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
635		try {
636	<	ScheduledExecutor one = new ScheduledExecutor(1);
637	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
638	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
639	<
640	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
472	<	for(int i = 0; i < 5; i++)
473	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
474	<	one.shutdown();
475	<	BlockingQueue q = one.getQueue();
476	<	for (Iterator it = q.iterator(); it.hasNext();) {
477	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
478	<	assertFalse(t.isCancelled());
479	<	}
480	<	assertTrue(one.isShutdown());
481	<	Thread.sleep(SHORT_DELAY_MS);
482	<	for (int i = 0; i < 5; ++i) {
483	<	assertTrue(tasks[i].isDone());
484	<	assertFalse(tasks[i].isCancelled());
485	<	}
486	<
636	>	e.invokeAny(null);
637	>	shouldThrow();
638	>	} catch (NullPointerException success) {
639	>	} finally {
640	>	joinPool(e);
641		}
642	<	catch(Exception ex) {
643	<	fail("unexpected exception");
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 ok) {}
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	<	public void testShutDown2(){
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	<	ScheduledExecutor one = new ScheduledExecutor(1);
690	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
691	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
692	<	for(int i = 0; i < 5; i++)
693	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
694	<	one.shutdown();
695	<	assertTrue(one.isShutdown());
696	<	BlockingQueue q = one.getQueue();
504	<	assertTrue(q.isEmpty());
505	<	Thread.sleep(SHORT_DELAY_MS);
506	<	assertTrue(one.isTerminated());
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	<	catch(Exception ex) {
699	<	fail("unexpected exception");
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	<	public void testShutDown3(){
730	>	/**
731	>	* invokeAll(empty collection) returns empty collection
732	>	*/
733	>	public void testInvokeAll2() throws Exception {
734	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
735		try {
736	<	ScheduledExecutor one = new ScheduledExecutor(1);
737	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
738	<	ScheduledCancellable task =
739	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
740	<	one.shutdown();
741	<	assertTrue(one.isShutdown());
742	<	BlockingQueue q = one.getQueue();
743	<	assertTrue(q.isEmpty());
744	<	Thread.sleep(SHORT_DELAY_MS);
745	<	assertTrue(one.isTerminated());
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	<	catch(Exception ex) {
759	<	fail("unexpected exception");
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	<	public void testShutDown4(){
781	<	ScheduledExecutor one = new ScheduledExecutor(1);
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	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
787	<	ScheduledCancellable task =
788	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
789	<	assertFalse(task.isCancelled());
790	<	one.shutdown();
791	<	assertFalse(task.isCancelled());
792	<	assertFalse(one.isTerminated());
793	<	assertTrue(one.isShutdown());
794	<	Thread.sleep(SHORT_DELAY_MS);
795	<	assertFalse(task.isCancelled());
796	<	task.cancel(true);
797	<	assertTrue(task.isCancelled());
798	<	Thread.sleep(SHORT_DELAY_MS);
799	<	assertTrue(one.isTerminated());
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	<	catch(Exception ex) {
811	<	fail("unexpected exception");
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	<	finally {
827	<	one.shutdownNow();
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 ok) {}
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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