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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 23:50:09 2003 UTC vs.
Revision 1.32 by jsr166, Sat Oct 9 19:30:35 2010 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);
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	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
185	<	*  RejectedExecutionException.
186	<	*  This occurs on an attempt to schedule a task on a shutdown executor
187	<	*/
188	<	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);
184	>	* schedule throws RejectedExecutionException if shutdown
185	>	*/
186	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
187	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
188	>	try {
189		se.shutdown();
190	<	se.scheduleAtFixedRate(new Runnable(){
191	<	public void run(){}
192	<	},  1, 100, TimeUnit.SECONDS);
193	<	fail("should throw");
194	<	}catch(RejectedExecutionException e){}
190	>	se.schedule(new NoOpCallable(),
191	>	MEDIUM_DELAY_MS, MILLISECONDS);
192	>	shouldThrow();
193	>	} catch (RejectedExecutionException success) {
194	>	} catch (SecurityException ok) {
195	>	}
196	>	joinPool(se);
197		}
198
199		/**
200	<	*  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
200	>	* schedule callable throws RejectedExecutionException if shutdown
201		*/
202	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
203	<	try{
204	<	ScheduledExecutor se = new ScheduledExecutor(1);
202	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
203	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
204	>	try {
205		se.shutdown();
206	<	se.scheduleWithFixedDelay(new Runnable(){
207	<	public void run(){}
208	<	}, 100, 100, TimeUnit.SECONDS);
209	<	fail("should throw");
210	<	}catch(RejectedExecutionException e){}
206	>	se.schedule(new NoOpCallable(),
207	>	MEDIUM_DELAY_MS, MILLISECONDS);
208	>	shouldThrow();
209	>	} catch (RejectedExecutionException success) {
210	>	} catch (SecurityException ok) {
211	>	}
212	>	joinPool(se);
213		}
214
215		/**
216	<	*  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
216	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
217		*/
218	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
219	<	try{
220	<	ScheduledExecutor se = new ScheduledExecutor(1);
218	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
219	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
220	>	try {
221		se.shutdown();
222	<	se.scheduleWithFixedDelay(new Runnable(){
223	<	public void run(){}
224	<	},  1, 100, TimeUnit.SECONDS);
225	<	fail("should throw");
226	<	}catch(RejectedExecutionException e){}
222	>	se.scheduleAtFixedRate(new NoOpRunnable(),
223	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
224	>	shouldThrow();
225	>	} catch (RejectedExecutionException success) {
226	>	} catch (SecurityException ok) {
227	>	}
228	>	joinPool(se);
229		}
230
231		/**
232	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
232	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
233		*/
234	<	public void testExecute_RejectedExecutionException(){
235	<	try{
236	<	ScheduledExecutor se = new ScheduledExecutor(1);
234	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
235	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
236	>	try {
237		se.shutdown();
238	<	se.execute(new Runnable(){
239	<	public void run(){}
240	<	});
241	<	fail("should throw");
242	<	}catch(RejectedExecutionException e){}
238	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
239	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
240	>	shouldThrow();
241	>	} catch (RejectedExecutionException success) {
242	>	} catch (SecurityException ok) {
243	>	}
244	>	joinPool(se);
245	>	}
246	>
247	>	/**
248	>	* getActiveCount increases but doesn't overestimate, when a
249	>	* thread becomes active
250	>	*/
251	>	public void testGetActiveCount() throws InterruptedException {
252	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
253	>	assertEquals(0, p2.getActiveCount());
254	>	p2.execute(new SmallRunnable());
255	>	Thread.sleep(SHORT_DELAY_MS);
256	>	assertEquals(1, p2.getActiveCount());
257	>	joinPool(p2);
258		}
259
260	+	/**
261	+	* getCompletedTaskCount increases, but doesn't overestimate,
262	+	* when tasks complete
263	+	*/
264	+	public void testGetCompletedTaskCount() throws InterruptedException {
265	+	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
266	+	assertEquals(0, p2.getCompletedTaskCount());
267	+	p2.execute(new SmallRunnable());
268	+	Thread.sleep(MEDIUM_DELAY_MS);
269	+	assertEquals(1, p2.getCompletedTaskCount());
270	+	joinPool(p2);
271	+	}
272
273	+	/**
274	+	* getCorePoolSize returns size given in constructor if not otherwise set
275	+	*/
276	+	public void testGetCorePoolSize() throws InterruptedException {
277	+	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
278	+	assertEquals(1, p1.getCorePoolSize());
279	+	joinPool(p1);
280	+	}
281	+
282	+	/**
283	+	* getLargestPoolSize increases, but doesn't overestimate, when
284	+	* multiple threads active
285	+	*/
286	+	public void testGetLargestPoolSize() throws InterruptedException {
287	+	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
288	+	assertEquals(0, p2.getLargestPoolSize());
289	+	p2.execute(new SmallRunnable());
290	+	p2.execute(new SmallRunnable());
291	+	Thread.sleep(SHORT_DELAY_MS);
292	+	assertEquals(2, p2.getLargestPoolSize());
293	+	joinPool(p2);
294	+	}
295	+
296	+	/**
297	+	* getPoolSize increases, but doesn't overestimate, when threads
298	+	* become active
299	+	*/
300	+	public void testGetPoolSize() throws InterruptedException {
301	+	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
302	+	assertEquals(0, p1.getPoolSize());
303	+	p1.execute(new SmallRunnable());
304	+	assertEquals(1, p1.getPoolSize());
305	+	joinPool(p1);
306	+	}
307	+
308	+	/**
309	+	* getTaskCount increases, but doesn't overestimate, when tasks
310	+	* submitted
311	+	*/
312	+	public void testGetTaskCount() throws InterruptedException {
313	+	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
314	+	assertEquals(0, p1.getTaskCount());
315	+	for (int i = 0; i < 5; i++)
316	+	p1.execute(new SmallRunnable());
317	+	Thread.sleep(SHORT_DELAY_MS);
318	+	assertEquals(5, p1.getTaskCount());
319	+	joinPool(p1);
320	+	}
321	+
322	+	/**
323	+	* getThreadFactory returns factory in constructor if not set
324	+	*/
325	+	public void testGetThreadFactory() throws InterruptedException {
326	+	ThreadFactory tf = new SimpleThreadFactory();
327	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
328	+	assertSame(tf, p.getThreadFactory());
329	+	joinPool(p);
330	+	}
331	+
332	+	/**
333	+	* setThreadFactory sets the thread factory returned by getThreadFactory
334	+	*/
335	+	public void testSetThreadFactory() throws InterruptedException {
336	+	ThreadFactory tf = new SimpleThreadFactory();
337	+	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
338	+	p.setThreadFactory(tf);
339	+	assertSame(tf, p.getThreadFactory());
340	+	joinPool(p);
341	+	}
342
343		/**
344	<	*  Test to verify getActiveCount gives correct values
344	>	* setThreadFactory(null) throws NPE
345		*/
346	<	public void testGetActiveCount(){
347	<	ScheduledExecutor two = new ScheduledExecutor(2);
346	>	public void testSetThreadFactoryNull() throws InterruptedException {
347	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
348		try {
349	<	assertEquals(0, two.getActiveCount());
350	<	two.execute(newRunnable());
351	<	try{
296	<	Thread.sleep(SHORT_DELAY_MS/2);
297	<	} catch(Exception e){
298	<	fail("unexpected exception");
299	<	}
300	<	assertEquals(1, two.getActiveCount());
349	>	p.setThreadFactory(null);
350	>	shouldThrow();
351	>	} catch (NullPointerException success) {
352		} finally {
353	<	two.shutdown();
353	>	joinPool(p);
354		}
355		}
356	<
356	>
357		/**
358	<	*  Test to verify getCompleteTaskCount gives correct values
358	>	* isShutDown is false before shutdown, true after
359		*/
360	<	public void testGetCompletedTaskCount(){
361	<	ScheduledExecutor two = new ScheduledExecutor(2);
360	>	public void testIsShutdown() {
361	>
362	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
363		try {
364	<	assertEquals(0, two.getCompletedTaskCount());
365	<	two.execute(newRunnable());
366	<	try{
367	<	Thread.sleep(MEDIUM_DELAY_MS);
368	<	} catch(Exception e){
369	<	fail("unexpected exception");
370	<	}
371	<	assertEquals(1, two.getCompletedTaskCount());
364	>	assertFalse(p1.isShutdown());
365	>	}
366	>	finally {
367	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
368	>	}
369	>	assertTrue(p1.isShutdown());
370	>	}
371	>
372	>
373	>	/**
374	>	* isTerminated is false before termination, true after
375	>	*/
376	>	public void testIsTerminated() throws InterruptedException {
377	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
378	>	try {
379	>	p1.execute(new SmallRunnable());
380		} finally {
381	<	two.shutdown();
381	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
382		}
383	+	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
384	+	assertTrue(p1.isTerminated());
385		}
386	<
386	>
387		/**
388	<	*  Test to verify getCorePoolSize gives correct values
388	>	* isTerminating is not true when running or when terminated
389		*/
390	<	public void testGetCorePoolSize(){
391	<	ScheduledExecutor one = new ScheduledExecutor(1);
390	>	public void testIsTerminating() throws InterruptedException {
391	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
392	>	assertFalse(p1.isTerminating());
393		try {
394	<	assertEquals(1, one.getCorePoolSize());
394	>	p1.execute(new SmallRunnable());
395	>	assertFalse(p1.isTerminating());
396		} finally {
397	<	one.shutdown();
397	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
398		}
399	+
400	+	assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
401	+	assertTrue(p1.isTerminated());
402	+	assertFalse(p1.isTerminating());
403		}
404	<
404	>
405		/**
406	<	*  Test to verify getLargestPoolSize gives correct values
406	>	* getQueue returns the work queue, which contains queued tasks
407		*/
408	<	public void testGetLargestPoolSize(){
409	<	ScheduledExecutor two = new ScheduledExecutor(2);
408	>	public void testGetQueue() throws InterruptedException {
409	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
410	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
411	>	for (int i = 0; i < 5; i++) {
412	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
413	>	}
414		try {
415	<	assertEquals(0, two.getLargestPoolSize());
416	<	two.execute(newRunnable());
417	<	two.execute(newRunnable());
418	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
415	>	Thread.sleep(SHORT_DELAY_MS);
416	>	BlockingQueue<Runnable> q = p1.getQueue();
417	>	assertTrue(q.contains(tasks[4]));
418	>	assertFalse(q.contains(tasks[0]));
419		} finally {
420	<	two.shutdown();
420	>	joinPool(p1);
421		}
422		}
423	<
423	>
424		/**
425	<	*  Test to verify getPoolSize gives correct values
425	>	* remove(task) removes queued task, and fails to remove active task
426		*/
427	<	public void testGetPoolSize(){
428	<	ScheduledExecutor one = new ScheduledExecutor(1);
429	<	try {
430	<	assertEquals(0, one.getPoolSize());
431	<	one.execute(newRunnable());
432	<	assertEquals(1, one.getPoolSize());
427	>	public void testRemove() throws InterruptedException {
428	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
429	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
430	>	for (int i = 0; i < 5; i++) {
431	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS);
432	>	}
433	>	try {
434	>	Thread.sleep(SHORT_DELAY_MS);
435	>	BlockingQueue<Runnable> q = p1.getQueue();
436	>	assertFalse(p1.remove((Runnable)tasks[0]));
437	>	assertTrue(q.contains((Runnable)tasks[4]));
438	>	assertTrue(q.contains((Runnable)tasks[3]));
439	>	assertTrue(p1.remove((Runnable)tasks[4]));
440	>	assertFalse(p1.remove((Runnable)tasks[4]));
441	>	assertFalse(q.contains((Runnable)tasks[4]));
442	>	assertTrue(q.contains((Runnable)tasks[3]));
443	>	assertTrue(p1.remove((Runnable)tasks[3]));
444	>	assertFalse(q.contains((Runnable)tasks[3]));
445		} finally {
446	<	one.shutdown();
446	>	joinPool(p1);
447		}
448		}
449	<
449	>
450		/**
451	<	*  Test to verify getTaskCount gives correct values
451	>	* purge removes cancelled tasks from the queue
452		*/
453	<	public void testGetTaskCount(){
454	<	ScheduledExecutor one = new ScheduledExecutor(1);
453	>	public void testPurge() throws InterruptedException {
454	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
455	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
456	>	for (int i = 0; i < 5; i++) {
457	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
458	>	}
459		try {
460	<	assertEquals(0, one.getTaskCount());
461	<	for(int i = 0; i < 5; i++)
462	<	one.execute(newRunnable());
463	<	try{
464	<	Thread.sleep(SHORT_DELAY_MS);
465	<	} catch(Exception e){
466	<	fail("unexpected exception");
460	>	int max = 5;
461	>	if (tasks[4].cancel(true)) --max;
462	>	if (tasks[3].cancel(true)) --max;
463	>	// There must eventually be an interference-free point at
464	>	// which purge will not fail. (At worst, when queue is empty.)
465	>	int k;
466	>	for (k = 0; k < SMALL_DELAY_MS; ++k) {
467	>	p1.purge();
468	>	long count = p1.getTaskCount();
469	>	if (count >= 0 && count <= max)
470	>	break;
471	>	Thread.sleep(1);
472		}
473	<	assertEquals(5, one.getTaskCount());
473	>	assertTrue(k < SMALL_DELAY_MS);
474		} finally {
475	<	one.shutdown();
475	>	joinPool(p1);
476		}
477		}
478	<
478	>
479		/**
480	<	*  Test to verify isShutDown gives correct values
480	>	* shutDownNow returns a list containing tasks that were not run
481		*/
482	<	public void testIsShutdown(){
483	<
484	<	ScheduledExecutor one = new ScheduledExecutor(1);
482	>	public void testShutDownNow() throws InterruptedException {
483	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
484	>	for (int i = 0; i < 5; i++)
485	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS);
486	>	List l;
487		try {
488	<	assertFalse(one.isShutdown());
488	>	l = p1.shutdownNow();
489	>	} catch (SecurityException ok) {
490	>	return;
491	>	}
492	>	assertTrue(p1.isShutdown());
493	>	assertTrue(l.size() > 0 && l.size() <= 5);
494	>	joinPool(p1);
495	>	}
496	>
497	>	/**
498	>	* In default setting, shutdown cancels periodic but not delayed
499	>	* tasks at shutdown
500	>	*/
501	>	public void testShutDown1() throws InterruptedException {
502	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
503	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
504	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
505	>
506	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
507	>	for (int i = 0; i < 5; i++)
508	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
509	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
510	>	BlockingQueue q = p1.getQueue();
511	>	for (Iterator it = q.iterator(); it.hasNext();) {
512	>	ScheduledFuture t = (ScheduledFuture)it.next();
513	>	assertFalse(t.isCancelled());
514	>	}
515	>	assertTrue(p1.isShutdown());
516	>	Thread.sleep(SMALL_DELAY_MS);
517	>	for (int i = 0; i < 5; ++i) {
518	>	assertTrue(tasks[i].isDone());
519	>	assertFalse(tasks[i].isCancelled());
520	>	}
521	>	}
522	>
523	>
524	>	/**
525	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
526	>	* delayed tasks are cancelled at shutdown
527	>	*/
528	>	public void testShutDown2() throws InterruptedException {
529	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
530	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
531	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
532	>	for (int i = 0; i < 5; i++)
533	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS);
534	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
535	>	assertTrue(p1.isShutdown());
536	>	BlockingQueue q = p1.getQueue();
537	>	assertTrue(q.isEmpty());
538	>	Thread.sleep(SMALL_DELAY_MS);
539	>	assertTrue(p1.isTerminated());
540	>	}
541	>
542	>
543	>	/**
544	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
545	>	* periodic tasks are not cancelled at shutdown
546	>	*/
547	>	public void testShutDown3() throws InterruptedException {
548	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
549	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
550	>	ScheduledFuture task =
551	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS);
552	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
553	>	assertTrue(p1.isShutdown());
554	>	BlockingQueue q = p1.getQueue();
555	>	assertTrue(q.isEmpty());
556	>	Thread.sleep(SHORT_DELAY_MS);
557	>	assertTrue(p1.isTerminated());
558	>	}
559	>
560	>	/**
561	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
562	>	* periodic tasks are cancelled at shutdown
563	>	*/
564	>	public void testShutDown4() throws InterruptedException {
565	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
566	>	try {
567	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
568	>	ScheduledFuture task =
569	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS);
570	>	assertFalse(task.isCancelled());
571	>	try { p1.shutdown(); } catch (SecurityException ok) { return; }
572	>	assertFalse(task.isCancelled());
573	>	assertFalse(p1.isTerminated());
574	>	assertTrue(p1.isShutdown());
575	>	Thread.sleep(SHORT_DELAY_MS);
576	>	assertFalse(task.isCancelled());
577	>	assertTrue(task.cancel(true));
578	>	assertTrue(task.isDone());
579	>	Thread.sleep(SHORT_DELAY_MS);
580	>	assertTrue(p1.isTerminated());
581		}
582		finally {
583	<	one.shutdown();
583	>	joinPool(p1);
584		}
403	–	assertTrue(one.isShutdown());
585		}
586
406	–
587		/**
588	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
588	>	* completed submit of callable returns result
589		*/
590	<	public void testIsTerminated(){
591	<	ScheduledExecutor one = new ScheduledExecutor(1);
590	>	public void testSubmitCallable() throws Exception {
591	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
592		try {
593	<	one.execute(newRunnable());
593	>	Future<String> future = e.submit(new StringTask());
594	>	String result = future.get();
595	>	assertSame(TEST_STRING, result);
596		} finally {
597	<	one.shutdown();
597	>	joinPool(e);
598		}
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");
599		}
600
601		/**
602	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
602	>	* completed submit of runnable returns successfully
603		*/
604	<	public void testPurge(){
605	<	ScheduledExecutor one = new ScheduledExecutor(1);
604	>	public void testSubmitRunnable() throws Exception {
605	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
606		try {
607	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
608	<	for(int i = 0; i < 5; i++){
609	<	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);
607	>	Future<?> future = e.submit(new NoOpRunnable());
608	>	future.get();
609	>	assertTrue(future.isDone());
610		} finally {
611	<	one.shutdown();
611	>	joinPool(e);
612		}
613		}
614
615		/**
616	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
616	>	* completed submit of (runnable, result) returns result
617		*/
618	<	public void testShutDownNow(){
619	<	ScheduledExecutor one = new ScheduledExecutor(1);
620	<	for(int i = 0; i < 5; i++)
621	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
622	<	List l = one.shutdownNow();
623	<	assertTrue(one.isShutdown());
624	<	assertTrue(l.size() > 0 && l.size() <= 5);
618	>	public void testSubmitRunnable2() throws Exception {
619	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
620	>	try {
621	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
622	>	String result = future.get();
623	>	assertSame(TEST_STRING, result);
624	>	} finally {
625	>	joinPool(e);
626	>	}
627		}
628
629	<	public void testShutDown1(){
629	>	/**
630	>	* invokeAny(null) throws NPE
631	>	*/
632	>	public void testInvokeAny1() throws Exception {
633	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
634		try {
635	<	ScheduledExecutor one = new ScheduledExecutor(1);
636	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
637	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
635	>	e.invokeAny(null);
636	>	shouldThrow();
637	>	} catch (NullPointerException success) {
638	>	} finally {
639	>	joinPool(e);
640	>	}
641	>	}
642
643	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
644	<	for(int i = 0; i < 5; i++)
645	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
646	<	one.shutdown();
647	<	BlockingQueue q = one.getQueue();
648	<	for (Iterator it = q.iterator(); it.hasNext();) {
649	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
650	<	assertFalse(t.isCancelled());
651	<	}
652	<	assertTrue(one.isShutdown());
653	<	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	<
643	>	/**
644	>	* invokeAny(empty collection) throws IAE
645	>	*/
646	>	public void testInvokeAny2() throws Exception {
647	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
648	>	try {
649	>	e.invokeAny(new ArrayList<Callable<String>>());
650	>	shouldThrow();
651	>	} catch (IllegalArgumentException success) {
652	>	} finally {
653	>	joinPool(e);
654		}
655	<	catch(Exception ex) {
656	<	fail("unexpected exception");
655	>	}
656	>
657	>	/**
658	>	* invokeAny(c) throws NPE if c has null elements
659	>	*/
660	>	public void testInvokeAny3() throws Exception {
661	>	CountDownLatch latch = new CountDownLatch(1);
662	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
663	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
664	>	l.add(latchAwaitingStringTask(latch));
665	>	l.add(null);
666	>	try {
667	>	e.invokeAny(l);
668	>	shouldThrow();
669	>	} catch (NullPointerException success) {
670	>	} finally {
671	>	latch.countDown();
672	>	joinPool(e);
673		}
674		}
675
676	+	/**
677	+	* invokeAny(c) throws ExecutionException if no task completes
678	+	*/
679	+	public void testInvokeAny4() throws Exception {
680	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
681	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
682	+	l.add(new NPETask());
683	+	try {
684	+	e.invokeAny(l);
685	+	shouldThrow();
686	+	} catch (ExecutionException success) {
687	+	assertTrue(success.getCause() instanceof NullPointerException);
688	+	} finally {
689	+	joinPool(e);
690	+	}
691	+	}
692
693	<	public void testShutDown2(){
693	>	/**
694	>	* invokeAny(c) returns result of some task
695	>	*/
696	>	public void testInvokeAny5() throws Exception {
697	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
698		try {
699	<	ScheduledExecutor one = new ScheduledExecutor(1);
700	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
701	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
702	<	for(int i = 0; i < 5; i++)
703	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
704	<	one.shutdown();
705	<	assertTrue(one.isShutdown());
503	<	BlockingQueue q = one.getQueue();
504	<	assertTrue(q.isEmpty());
505	<	Thread.sleep(SHORT_DELAY_MS);
506	<	assertTrue(one.isTerminated());
699	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
700	>	l.add(new StringTask());
701	>	l.add(new StringTask());
702	>	String result = e.invokeAny(l);
703	>	assertSame(TEST_STRING, result);
704	>	} finally {
705	>	joinPool(e);
706		}
707	<	catch(Exception ex) {
708	<	fail("unexpected exception");
707	>	}
708	>
709	>	/**
710	>	* invokeAll(null) throws NPE
711	>	*/
712	>	public void testInvokeAll1() throws Exception {
713	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
714	>	try {
715	>	e.invokeAll(null);
716	>	shouldThrow();
717	>	} catch (NullPointerException success) {
718	>	} finally {
719	>	joinPool(e);
720		}
721		}
722
723	+	/**
724	+	* invokeAll(empty collection) returns empty collection
725	+	*/
726	+	public void testInvokeAll2() throws Exception {
727	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
728	+	try {
729	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
730	+	assertTrue(r.isEmpty());
731	+	} finally {
732	+	joinPool(e);
733	+	}
734	+	}
735
736	<	public void testShutDown3(){
736	>	/**
737	>	* invokeAll(c) throws NPE if c has null elements
738	>	*/
739	>	public void testInvokeAll3() throws Exception {
740	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
741	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
742	>	l.add(new StringTask());
743	>	l.add(null);
744		try {
745	<	ScheduledExecutor one = new ScheduledExecutor(1);
746	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
747	<	ScheduledCancellable task =
748	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
749	<	one.shutdown();
521	<	assertTrue(one.isShutdown());
522	<	BlockingQueue q = one.getQueue();
523	<	assertTrue(q.isEmpty());
524	<	Thread.sleep(SHORT_DELAY_MS);
525	<	assertTrue(one.isTerminated());
745	>	e.invokeAll(l);
746	>	shouldThrow();
747	>	} catch (NullPointerException success) {
748	>	} finally {
749	>	joinPool(e);
750		}
751	<	catch(Exception ex) {
752	<	fail("unexpected exception");
751	>	}
752	>
753	>	/**
754	>	* get of invokeAll(c) throws exception on failed task
755	>	*/
756	>	public void testInvokeAll4() throws Exception {
757	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
758	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
759	>	l.add(new NPETask());
760	>	List<Future<String>> futures = e.invokeAll(l);
761	>	assertEquals(1, futures.size());
762	>	try {
763	>	futures.get(0).get();
764	>	shouldThrow();
765	>	} catch (ExecutionException success) {
766	>	assertTrue(success.getCause() instanceof NullPointerException);
767	>	} finally {
768	>	joinPool(e);
769		}
770		}
771
772	<	public void testShutDown4(){
773	<	ScheduledExecutor one = new ScheduledExecutor(1);
772	>	/**
773	>	* invokeAll(c) returns results of all completed tasks
774	>	*/
775	>	public void testInvokeAll5() throws Exception {
776	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
777		try {
778	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
779	<	ScheduledCancellable task =
780	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
781	<	assertFalse(task.isCancelled());
782	<	one.shutdown();
783	<	assertFalse(task.isCancelled());
784	<	assertFalse(one.isTerminated());
785	<	assertTrue(one.isShutdown());
786	<	Thread.sleep(SHORT_DELAY_MS);
544	<	assertFalse(task.isCancelled());
545	<	task.cancel(true);
546	<	assertTrue(task.isCancelled());
547	<	Thread.sleep(SHORT_DELAY_MS);
548	<	assertTrue(one.isTerminated());
778	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
779	>	l.add(new StringTask());
780	>	l.add(new StringTask());
781	>	List<Future<String>> futures = e.invokeAll(l);
782	>	assertEquals(2, futures.size());
783	>	for (Future<String> future : futures)
784	>	assertSame(TEST_STRING, future.get());
785	>	} finally {
786	>	joinPool(e);
787		}
788	<	catch(Exception ex) {
789	<	fail("unexpected exception");
788	>	}
789	>
790	>	/**
791	>	* timed invokeAny(null) throws NPE
792	>	*/
793	>	public void testTimedInvokeAny1() throws Exception {
794	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
795	>	try {
796	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
797	>	shouldThrow();
798	>	} catch (NullPointerException success) {
799	>	} finally {
800	>	joinPool(e);
801		}
802	<	finally {
803	<	one.shutdownNow();
802	>	}
803	>
804	>	/**
805	>	* timed invokeAny(,,null) throws NPE
806	>	*/
807	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
808	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
809	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
810	>	l.add(new StringTask());
811	>	try {
812	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
813	>	shouldThrow();
814	>	} catch (NullPointerException success) {
815	>	} finally {
816	>	joinPool(e);
817	>	}
818	>	}
819	>
820	>	/**
821	>	* timed invokeAny(empty collection) throws IAE
822	>	*/
823	>	public void testTimedInvokeAny2() throws Exception {
824	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
825	>	try {
826	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
827	>	shouldThrow();
828	>	} catch (IllegalArgumentException success) {
829	>	} finally {
830	>	joinPool(e);
831	>	}
832	>	}
833	>
834	>	/**
835	>	* timed invokeAny(c) throws NPE if c has null elements
836	>	*/
837	>	public void testTimedInvokeAny3() throws Exception {
838	>	CountDownLatch latch = new CountDownLatch(1);
839	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
840	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
841	>	l.add(latchAwaitingStringTask(latch));
842	>	l.add(null);
843	>	try {
844	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
845	>	shouldThrow();
846	>	} catch (NullPointerException success) {
847	>	} finally {
848	>	latch.countDown();
849	>	joinPool(e);
850	>	}
851	>	}
852	>
853	>	/**
854	>	* timed invokeAny(c) throws ExecutionException if no task completes
855	>	*/
856	>	public void testTimedInvokeAny4() throws Exception {
857	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
859	>	l.add(new NPETask());
860	>	try {
861	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
862	>	shouldThrow();
863	>	} catch (ExecutionException success) {
864	>	assertTrue(success.getCause() instanceof NullPointerException);
865	>	} finally {
866	>	joinPool(e);
867	>	}
868	>	}
869	>
870	>	/**
871	>	* timed invokeAny(c) returns result of some task
872	>	*/
873	>	public void testTimedInvokeAny5() throws Exception {
874	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
875	>	try {
876	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
877	>	l.add(new StringTask());
878	>	l.add(new StringTask());
879	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
880	>	assertSame(TEST_STRING, result);
881	>	} finally {
882	>	joinPool(e);
883	>	}
884	>	}
885	>
886	>	/**
887	>	* timed invokeAll(null) throws NPE
888	>	*/
889	>	public void testTimedInvokeAll1() throws Exception {
890	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
891	>	try {
892	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
893	>	shouldThrow();
894	>	} catch (NullPointerException success) {
895	>	} finally {
896	>	joinPool(e);
897	>	}
898	>	}
899	>
900	>	/**
901	>	* timed invokeAll(,,null) throws NPE
902	>	*/
903	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
904	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
905	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
906	>	l.add(new StringTask());
907	>	try {
908	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
909	>	shouldThrow();
910	>	} catch (NullPointerException success) {
911	>	} finally {
912	>	joinPool(e);
913		}
914		}
915
916	+	/**
917	+	* timed invokeAll(empty collection) returns empty collection
918	+	*/
919	+	public void testTimedInvokeAll2() throws Exception {
920	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
921	+	try {
922	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
923	+	assertTrue(r.isEmpty());
924	+	} finally {
925	+	joinPool(e);
926	+	}
927	+	}
928	+
929	+	/**
930	+	* timed invokeAll(c) throws NPE if c has null elements
931	+	*/
932	+	public void testTimedInvokeAll3() throws Exception {
933	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
934	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
935	+	l.add(new StringTask());
936	+	l.add(null);
937	+	try {
938	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
939	+	shouldThrow();
940	+	} catch (NullPointerException success) {
941	+	} finally {
942	+	joinPool(e);
943	+	}
944	+	}
945	+
946	+	/**
947	+	* get of element of invokeAll(c) throws exception on failed task
948	+	*/
949	+	public void testTimedInvokeAll4() throws Exception {
950	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
951	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
952	+	l.add(new NPETask());
953	+	List<Future<String>> futures =
954	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
955	+	assertEquals(1, futures.size());
956	+	try {
957	+	futures.get(0).get();
958	+	shouldThrow();
959	+	} catch (ExecutionException success) {
960	+	assertTrue(success.getCause() instanceof NullPointerException);
961	+	} finally {
962	+	joinPool(e);
963	+	}
964	+	}
965	+
966	+	/**
967	+	* timed invokeAll(c) returns results of all completed tasks
968	+	*/
969	+	public void testTimedInvokeAll5() throws Exception {
970	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
971	+	try {
972	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
973	+	l.add(new StringTask());
974	+	l.add(new StringTask());
975	+	List<Future<String>> futures =
976	+	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
977	+	assertEquals(2, futures.size());
978	+	for (Future<String> future : futures)
979	+	assertSame(TEST_STRING, future.get());
980	+	} finally {
981	+	joinPool(e);
982	+	}
983	+	}
984	+
985	+	/**
986	+	* timed invokeAll(c) cancels tasks not completed by timeout
987	+	*/
988	+	public void testTimedInvokeAll6() throws Exception {
989	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
990	+	try {
991	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
992	+	l.add(new StringTask());
993	+	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
994	+	l.add(new StringTask());
995	+	List<Future<String>> futures =
996	+	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
997	+	assertEquals(3, futures.size());
998	+	Iterator<Future<String>> it = futures.iterator();
999	+	Future<String> f1 = it.next();
1000	+	Future<String> f2 = it.next();
1001	+	Future<String> f3 = it.next();
1002	+	assertTrue(f1.isDone());
1003	+	assertTrue(f2.isDone());
1004	+	assertTrue(f3.isDone());
1005	+	assertFalse(f1.isCancelled());
1006	+	assertTrue(f2.isCancelled());
1007	+	} finally {
1008	+	joinPool(e);
1009	+	}
1010	+	}
1011	+
1012	+
1013		}

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