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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 1.44 by jsr166, Sat May 28 15:33:20 2011 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/publicdomain/zero/1.0/
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	<	}
23	>	/**
24	>	* execute successfully executes a runnable
25	>	*/
26	>	public void testExecute() throws InterruptedException {
27	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
28	>	final CountDownLatch done = new CountDownLatch(1);
29	>	final Runnable task = new CheckedRunnable() {
30	>	public void realRun() {
31	>	done.countDown();
32	>	}};
33	>	try {
34	>	p.execute(task);
35	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
36	>	} finally {
37	>	joinPool(p);
38		}
39		}
40
41	<	static class MyCallable implements Callable {
42	<	volatile boolean waiting = true;
43	<	volatile boolean done = false;
44	<	public Object call(){
45	<	try{
46	<	Thread.sleep(SHORT_DELAY_MS);
47	<	waiting = false;
48	<	done = true;
49	<	}catch(Exception e){}
50	<	return Boolean.TRUE;
41	>	/**
42	>	* delayed schedule of callable successfully executes after delay
43	>	*/
44	>	public void testSchedule1() throws Exception {
45	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
46	>	final long startTime = System.nanoTime();
47	>	final CountDownLatch done = new CountDownLatch(1);
48	>	try {
49	>	Callable task = new CheckedCallable<Boolean>() {
50	>	public Boolean realCall() {
51	>	done.countDown();
52	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
53	>	return Boolean.TRUE;
54	>	}};
55	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
56	>	assertSame(Boolean.TRUE, f.get());
57	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
58	>	assertTrue(done.await(0L, MILLISECONDS));
59	>	} finally {
60	>	joinPool(p);
61		}
62		}
63
64	<	public Runnable newRunnable(){
65	<	return new Runnable(){
66	<	public void run(){
67	<	try{Thread.sleep(SHORT_DELAY_MS);
68	<	} catch(Exception e){
69	<	}
70	<	}
71	<	};
72	<	}
73	<
74	<	public Runnable newNoopRunnable() {
75	<	return new Runnable(){
76	<	public void run(){
77	<	}
78	<	};
64	>	/**
65	>	* delayed schedule of runnable successfully executes after delay
66	>	*/
67	>	public void testSchedule3() throws Exception {
68	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
69	>	final long startTime = System.nanoTime();
70	>	final CountDownLatch done = new CountDownLatch(1);
71	>	try {
72	>	Runnable task = new CheckedRunnable() {
73	>	public void realRun() {
74	>	done.countDown();
75	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
76	>	}};
77	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
78	>	await(done);
79	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
80	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
81	>	} finally {
82	>	joinPool(p);
83	>	}
84		}
85
86		/**
87	<	*  Test to verify execute successfully runs the given Runnable
88	<	*/
89	<	public void testExecute(){
90	<	try{
91	<	MyRunnable runnable =new MyRunnable();
92	<	ScheduledExecutor one = new ScheduledExecutor(1);
93	<	one.execute(runnable);
94	<	Thread.sleep(SHORT_DELAY_MS/2);
95	<	assertTrue(runnable.waiting);
96	<	one.shutdown();
97	<	try{
98	<	Thread.sleep(MEDIUM_DELAY_MS);
99	<	} catch(InterruptedException e){
100	<	fail("unexpected exception");
101	<	}
102	<	assertFalse(runnable.waiting);
103	<	assertTrue(runnable.done);
104	<	one.shutdown();
105	<	}
106	<	catch(Exception e){
93	<	fail("unexpected exception");
87	>	* scheduleAtFixedRate executes runnable after given initial delay
88	>	*/
89	>	public void testSchedule4() throws Exception {
90	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
91	>	final long startTime = System.nanoTime();
92	>	final CountDownLatch done = new CountDownLatch(1);
93	>	try {
94	>	Runnable task = new CheckedRunnable() {
95	>	public void realRun() {
96	>	done.countDown();
97	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
98	>	}};
99	>	ScheduledFuture f =
100	>	p.scheduleAtFixedRate(task, timeoutMillis(),
101	>	LONG_DELAY_MS, MILLISECONDS);
102	>	await(done);
103	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
104	>	f.cancel(true);
105	>	} finally {
106	>	joinPool(p);
107		}
108		}
109
110		/**
111	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
111	>	* scheduleWithFixedDelay executes runnable after given initial delay
112		*/
113	<	public void testSchedule1(){
114	<	try{
115	<	MyCallable callable = new MyCallable();
116	<	ScheduledExecutor one = new ScheduledExecutor(1);
117	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
118	<	assertTrue(callable.waiting);
119	<	Thread.sleep(MEDIUM_DELAY_MS);
120	<	assertTrue(callable.done);
121	<	assertEquals(Boolean.TRUE, f.get());
122	<	one.shutdown();
123	<	}catch(RejectedExecutionException e){}
124	<	catch(Exception e){
125	<	fail("unexpected exception");
113	>	public void testSchedule5() throws Exception {
114	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
115	>	final long startTime = System.nanoTime();
116	>	final CountDownLatch done = new CountDownLatch(1);
117	>	try {
118	>	Runnable task = new CheckedRunnable() {
119	>	public void realRun() {
120	>	done.countDown();
121	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
122	>	}};
123	>	ScheduledFuture f =
124	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
125	>	LONG_DELAY_MS, MILLISECONDS);
126	>	await(done);
127	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
128	>	f.cancel(true);
129	>	} finally {
130	>	joinPool(p);
131		}
132		}
133
134	+	static class RunnableCounter implements Runnable {
135	+	AtomicInteger count = new AtomicInteger(0);
136	+	public void run() { count.getAndIncrement(); }
137	+	}
138	+
139		/**
140	<	*  Another version of schedule, only using Runnable instead of Callable
140	>	* scheduleAtFixedRate executes series of tasks at given rate
141		*/
142	<	public void testSchedule3(){
143	<	try{
144	<	MyRunnable runnable = new MyRunnable();
145	<	ScheduledExecutor one = new ScheduledExecutor(1);
146	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
147	<	Thread.sleep(SHORT_DELAY_MS/2);
148	<	assertTrue(runnable.waiting);
149	<	Thread.sleep(MEDIUM_DELAY_MS);
150	<	assertTrue(runnable.done);
151	<	one.shutdown();
152	<	} catch(Exception e){
153	<	fail("unexpected exception");
154	<	}
142	>	public void testFixedRateSequence() throws InterruptedException {
143	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
144	>	RunnableCounter counter = new RunnableCounter();
145	>	ScheduledFuture h =
146	>	p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
147	>	delay(SMALL_DELAY_MS);
148	>	h.cancel(true);
149	>	int c = counter.count.get();
150	>	// By time scaling conventions, we must have at least
151	>	// an execution per SHORT delay, but no more than one SHORT more
152	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
153	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
154	>	joinPool(p);
155		}
156	<
156	>
157		/**
158	<	*  The final version of schedule, using both long, TimeUnit and Runnable
158	>	* scheduleWithFixedDelay executes series of tasks with given period
159		*/
160	<	public void testSchedule4(){
161	<	try{
162	<	MyRunnable runnable = new MyRunnable();
163	<	ScheduledExecutor one = new ScheduledExecutor(1);
164	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
165	<	//      Thread.sleep(505);
166	<	assertTrue(runnable.waiting);
167	<	Thread.sleep(MEDIUM_DELAY_MS);
168	<	assertTrue(runnable.done);
169	<	one.shutdown();
170	<	} catch(Exception e){
150	<	fail("unexpected exception");
151	<	}
160	>	public void testFixedDelaySequence() throws InterruptedException {
161	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
162	>	RunnableCounter counter = new RunnableCounter();
163	>	ScheduledFuture h =
164	>	p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
165	>	delay(SMALL_DELAY_MS);
166	>	h.cancel(true);
167	>	int c = counter.count.get();
168	>	assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
169	>	assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
170	>	joinPool(p);
171		}
153	–
154	–
155	–	// exception tests
172
173		/**
174	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
174	>	* execute(null) throws NPE
175		*/
176	<	public void testSchedule1_RejectedExecutionException(){
177	<	try{
178	<	ScheduledExecutor se = new ScheduledExecutor(1);
179	<	se.shutdown();
180	<	se.schedule(new Runnable(){
181	<	public void run(){}
182	<	}, 10000, TimeUnit.MILLISECONDS);
183	<	fail("shoud throw");
184	<	}catch(RejectedExecutionException e){}
176	>	public void testExecuteNull() throws InterruptedException {
177	>	ScheduledThreadPoolExecutor se = null;
178	>	try {
179	>	se = new ScheduledThreadPoolExecutor(1);
180	>	se.execute(null);
181	>	shouldThrow();
182	>	} catch (NullPointerException success) {}
183	>
184	>	joinPool(se);
185		}
186
187		/**
188	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
188	>	* schedule(null) throws NPE
189		*/
190	<	public void testSchedule2_RejectedExecutionException(){
191	<	try{
192	<	ScheduledExecutor se = new ScheduledExecutor(1);
193	<	se.shutdown();
194	<	se.schedule(new Callable(){
195	<	public Object call(){
196	<	return Boolean.TRUE;
197	<	}
184	<	}, (long)100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
190	>	public void testScheduleNull() throws InterruptedException {
191	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
192	>	try {
193	>	TrackedCallable callable = null;
194	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
195	>	shouldThrow();
196	>	} catch (NullPointerException success) {}
197	>	joinPool(se);
198		}
199
200		/**
201	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
202	<	*  This occurs on an attempt to schedule a task on a shutdown executor
203	<	*/
204	<	public void testSchedule3_RejectedExecutionException(){
205	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
201	>	* execute throws RejectedExecutionException if shutdown
202	>	*/
203	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
204	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
205	>	try {
206		se.shutdown();
207	<	se.schedule(new Callable(){
208	<	public Object call(){
209	<	return Boolean.TRUE;
210	<	}
211	<	},  10000, TimeUnit.MILLISECONDS);
212	<	fail("should throw");
213	<	}catch(RejectedExecutionException e){}
207	>	se.schedule(new NoOpRunnable(),
208	>	MEDIUM_DELAY_MS, MILLISECONDS);
209	>	shouldThrow();
210	>	} catch (RejectedExecutionException success) {
211	>	} catch (SecurityException ok) {
212	>	}
213	>
214	>	joinPool(se);
215		}
216
217		/**
218	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
219	<	*  RejectedExecutionException.
220	<	*  This occurs on an attempt to schedule a task on a shutdown executor
221	<	*/
222	<	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);
218	>	* schedule throws RejectedExecutionException if shutdown
219	>	*/
220	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
221	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
222	>	try {
223		se.shutdown();
224	<	se.scheduleAtFixedRate(new Runnable(){
225	<	public void run(){}
226	<	},  1, 100, TimeUnit.SECONDS);
227	<	fail("should throw");
228	<	}catch(RejectedExecutionException e){}
224	>	se.schedule(new NoOpCallable(),
225	>	MEDIUM_DELAY_MS, MILLISECONDS);
226	>	shouldThrow();
227	>	} catch (RejectedExecutionException success) {
228	>	} catch (SecurityException ok) {
229	>	}
230	>	joinPool(se);
231		}
232
233		/**
234	<	*  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
234	>	* schedule callable throws RejectedExecutionException if shutdown
235		*/
236	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
237	<	try{
238	<	ScheduledExecutor se = new ScheduledExecutor(1);
236	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
237	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
238	>	try {
239		se.shutdown();
240	<	se.scheduleWithFixedDelay(new Runnable(){
241	<	public void run(){}
242	<	}, 100, 100, TimeUnit.SECONDS);
243	<	fail("should throw");
244	<	}catch(RejectedExecutionException e){}
240	>	se.schedule(new NoOpCallable(),
241	>	MEDIUM_DELAY_MS, MILLISECONDS);
242	>	shouldThrow();
243	>	} catch (RejectedExecutionException success) {
244	>	} catch (SecurityException ok) {
245	>	}
246	>	joinPool(se);
247		}
248
249		/**
250	<	*  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
250	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
251		*/
252	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
253	<	try{
254	<	ScheduledExecutor se = new ScheduledExecutor(1);
252	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
253	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
254	>	try {
255		se.shutdown();
256	<	se.scheduleWithFixedDelay(new Runnable(){
257	<	public void run(){}
258	<	},  1, 100, TimeUnit.SECONDS);
259	<	fail("should throw");
260	<	}catch(RejectedExecutionException e){}
256	>	se.scheduleAtFixedRate(new NoOpRunnable(),
257	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
258	>	shouldThrow();
259	>	} catch (RejectedExecutionException success) {
260	>	} catch (SecurityException ok) {
261	>	}
262	>	joinPool(se);
263		}
264
265		/**
266	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
266	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
267		*/
268	<	public void testExecute_RejectedExecutionException(){
269	<	try{
270	<	ScheduledExecutor se = new ScheduledExecutor(1);
268	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
269	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
270	>	try {
271		se.shutdown();
272	<	se.execute(new Runnable(){
273	<	public void run(){}
274	<	});
275	<	fail("should throw");
276	<	}catch(RejectedExecutionException e){}
272	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
273	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
274	>	shouldThrow();
275	>	} catch (RejectedExecutionException success) {
276	>	} catch (SecurityException ok) {
277	>	}
278	>	joinPool(se);
279		}
280
285	–
286	–
281		/**
282	<	*  Test to verify getActiveCount gives correct values
282	>	* getActiveCount increases but doesn't overestimate, when a
283	>	* thread becomes active
284		*/
285	<	public void testGetActiveCount(){
286	<	ScheduledExecutor two = new ScheduledExecutor(2);
285	>	public void testGetActiveCount() throws InterruptedException {
286	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
287	>	final CountDownLatch threadStarted = new CountDownLatch(1);
288	>	final CountDownLatch done = new CountDownLatch(1);
289		try {
290	<	assertEquals(0, two.getActiveCount());
291	<	two.execute(newRunnable());
292	<	try{
293	<	Thread.sleep(SHORT_DELAY_MS/2);
294	<	} catch(Exception e){
295	<	fail("unexpected exception");
296	<	}
297	<	assertEquals(1, two.getActiveCount());
290	>	assertEquals(0, p.getActiveCount());
291	>	p.execute(new CheckedRunnable() {
292	>	public void realRun() throws InterruptedException {
293	>	threadStarted.countDown();
294	>	assertEquals(1, p.getActiveCount());
295	>	done.await();
296	>	}});
297	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
298	>	assertEquals(1, p.getActiveCount());
299		} finally {
300	<	two.shutdown();
300	>	done.countDown();
301	>	joinPool(p);
302		}
303		}
304	<
304	>
305		/**
306	<	*  Test to verify getCompleteTaskCount gives correct values
306	>	* getCompletedTaskCount increases, but doesn't overestimate,
307	>	* when tasks complete
308		*/
309	<	public void testGetCompletedTaskCount(){
310	<	ScheduledExecutor two = new ScheduledExecutor(2);
309	>	public void testGetCompletedTaskCount() throws InterruptedException {
310	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
311	>	final CountDownLatch threadStarted = new CountDownLatch(1);
312	>	final CountDownLatch threadProceed = new CountDownLatch(1);
313	>	final CountDownLatch threadDone = new CountDownLatch(1);
314		try {
315	<	assertEquals(0, two.getCompletedTaskCount());
316	<	two.execute(newRunnable());
317	<	try{
318	<	Thread.sleep(MEDIUM_DELAY_MS/2);
319	<	} catch(Exception e){
320	<	fail("unexpected exception");
315	>	assertEquals(0, p.getCompletedTaskCount());
316	>	p.execute(new CheckedRunnable() {
317	>	public void realRun() throws InterruptedException {
318	>	threadStarted.countDown();
319	>	assertEquals(0, p.getCompletedTaskCount());
320	>	threadProceed.await();
321	>	threadDone.countDown();
322	>	}});
323	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
324	>	assertEquals(0, p.getCompletedTaskCount());
325	>	threadProceed.countDown();
326	>	threadDone.await();
327	>	long startTime = System.nanoTime();
328	>	while (p.getCompletedTaskCount() != 1) {
329	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
330	>	fail("timed out");
331	>	Thread.yield();
332		}
319	–	assertEquals(1, two.getCompletedTaskCount());
333		} finally {
334	<	two.shutdown();
334	>	joinPool(p);
335		}
336		}
337	<
337	>
338	>	/**
339	>	* getCorePoolSize returns size given in constructor if not otherwise set
340	>	*/
341	>	public void testGetCorePoolSize() throws InterruptedException {
342	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
343	>	assertEquals(1, p.getCorePoolSize());
344	>	joinPool(p);
345	>	}
346	>
347		/**
348	<	*  Test to verify getCorePoolSize gives correct values
348	>	* getLargestPoolSize increases, but doesn't overestimate, when
349	>	* multiple threads active
350		*/
351	<	public void testGetCorePoolSize(){
352	<	ScheduledExecutor one = new ScheduledExecutor(1);
351	>	public void testGetLargestPoolSize() throws InterruptedException {
352	>	final int THREADS = 3;
353	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
354	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
355	>	final CountDownLatch done = new CountDownLatch(1);
356		try {
357	<	assertEquals(1, one.getCorePoolSize());
357	>	assertEquals(0, p.getLargestPoolSize());
358	>	for (int i = 0; i < THREADS; i++)
359	>	p.execute(new CheckedRunnable() {
360	>	public void realRun() throws InterruptedException {
361	>	threadsStarted.countDown();
362	>	done.await();
363	>	assertEquals(THREADS, p.getLargestPoolSize());
364	>	}});
365	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
366	>	assertEquals(THREADS, p.getLargestPoolSize());
367		} finally {
368	<	one.shutdown();
368	>	done.countDown();
369	>	joinPool(p);
370	>	assertEquals(THREADS, p.getLargestPoolSize());
371		}
372		}
373	<
373	>
374		/**
375	<	*  Test to verify getLargestPoolSize gives correct values
375	>	* getPoolSize increases, but doesn't overestimate, when threads
376	>	* become active
377		*/
378	<	public void testGetLargestPoolSize(){
379	<	ScheduledExecutor two = new ScheduledExecutor(2);
378	>	public void testGetPoolSize() throws InterruptedException {
379	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
380	>	final CountDownLatch threadStarted = new CountDownLatch(1);
381	>	final CountDownLatch done = new CountDownLatch(1);
382		try {
383	<	assertEquals(0, two.getLargestPoolSize());
384	<	two.execute(newRunnable());
385	<	two.execute(newRunnable());
386	<	try{
387	<	Thread.sleep(SHORT_DELAY_MS/2);
388	<	} catch(Exception e){
389	<	fail("unexpected exception");
390	<	}
391	<	assertEquals(2, two.getLargestPoolSize());
383	>	assertEquals(0, p.getPoolSize());
384	>	p.execute(new CheckedRunnable() {
385	>	public void realRun() throws InterruptedException {
386	>	threadStarted.countDown();
387	>	assertEquals(1, p.getPoolSize());
388	>	done.await();
389	>	}});
390	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
391	>	assertEquals(1, p.getPoolSize());
392		} finally {
393	<	two.shutdown();
393	>	done.countDown();
394	>	joinPool(p);
395		}
396		}
397	<
397	>
398		/**
399	<	*  Test to verify getPoolSize gives correct values
399	>	* getTaskCount increases, but doesn't overestimate, when tasks
400	>	* submitted
401		*/
402	<	public void testGetPoolSize(){
403	<	ScheduledExecutor one = new ScheduledExecutor(1);
404	<	try {
405	<	assertEquals(0, one.getPoolSize());
406	<	one.execute(newRunnable());
407	<	assertEquals(1, one.getPoolSize());
402	>	public void testGetTaskCount() throws InterruptedException {
403	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
404	>	final CountDownLatch threadStarted = new CountDownLatch(1);
405	>	final CountDownLatch done = new CountDownLatch(1);
406	>	final int TASKS = 5;
407	>	try {
408	>	assertEquals(0, p.getTaskCount());
409	>	for (int i = 0; i < TASKS; i++)
410	>	p.execute(new CheckedRunnable() {
411	>	public void realRun() throws InterruptedException {
412	>	threadStarted.countDown();
413	>	done.await();
414	>	}});
415	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
416	>	assertEquals(TASKS, p.getTaskCount());
417		} finally {
418	<	one.shutdown();
418	>	done.countDown();
419	>	joinPool(p);
420		}
421		}
422	<
422	>
423	>	/**
424	>	* getThreadFactory returns factory in constructor if not set
425	>	*/
426	>	public void testGetThreadFactory() throws InterruptedException {
427	>	ThreadFactory tf = new SimpleThreadFactory();
428	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
429	>	assertSame(tf, p.getThreadFactory());
430	>	joinPool(p);
431	>	}
432	>
433	>	/**
434	>	* setThreadFactory sets the thread factory returned by getThreadFactory
435	>	*/
436	>	public void testSetThreadFactory() throws InterruptedException {
437	>	ThreadFactory tf = new SimpleThreadFactory();
438	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
439	>	p.setThreadFactory(tf);
440	>	assertSame(tf, p.getThreadFactory());
441	>	joinPool(p);
442	>	}
443	>
444		/**
445	<	*  Test to verify getTaskCount gives correct values
445	>	* setThreadFactory(null) throws NPE
446		*/
447	<	public void testGetTaskCount(){
448	<	ScheduledExecutor one = new ScheduledExecutor(1);
447	>	public void testSetThreadFactoryNull() throws InterruptedException {
448	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
449		try {
450	<	assertEquals(0, one.getTaskCount());
451	<	for(int i = 0; i < 5; i++)
452	<	one.execute(newRunnable());
380	<	try{
381	<	Thread.sleep(SHORT_DELAY_MS/2);
382	<	} catch(Exception e){
383	<	fail("unexpected exception");
384	<	}
385	<	assertEquals(5, one.getTaskCount());
450	>	p.setThreadFactory(null);
451	>	shouldThrow();
452	>	} catch (NullPointerException success) {
453		} finally {
454	<	one.shutdown();
454	>	joinPool(p);
455		}
456		}
457	<
457	>
458		/**
459	<	*  Test to verify isShutDown gives correct values
459	>	* isShutdown is false before shutdown, true after
460		*/
461	<	public void testIsShutdown(){
462	<
463	<	ScheduledExecutor one = new ScheduledExecutor(1);
461	>	public void testIsShutdown() {
462	>
463	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
464		try {
465	<	assertFalse(one.isShutdown());
465	>	assertFalse(p.isShutdown());
466		}
467		finally {
468	<	one.shutdown();
468	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
469	>	}
470	>	assertTrue(p.isShutdown());
471	>	}
472	>
473	>	/**
474	>	* isTerminated is false before termination, true after
475	>	*/
476	>	public void testIsTerminated() throws InterruptedException {
477	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
478	>	final CountDownLatch threadStarted = new CountDownLatch(1);
479	>	final CountDownLatch done = new CountDownLatch(1);
480	>	assertFalse(p.isTerminated());
481	>	try {
482	>	p.execute(new CheckedRunnable() {
483	>	public void realRun() throws InterruptedException {
484	>	assertFalse(p.isTerminated());
485	>	threadStarted.countDown();
486	>	done.await();
487	>	}});
488	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
489	>	assertFalse(p.isTerminating());
490	>	done.countDown();
491	>	} finally {
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493		}
494	<	assertTrue(one.isShutdown());
494	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
495	>	assertTrue(p.isTerminated());
496		}
497
406	–
498		/**
499	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
499	>	* isTerminating is not true when running or when terminated
500		*/
501	<	public void testIsTerminated(){
502	<	ScheduledExecutor one = new ScheduledExecutor(1);
501	>	public void testIsTerminating() throws InterruptedException {
502	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
503	>	final CountDownLatch threadStarted = new CountDownLatch(1);
504	>	final CountDownLatch done = new CountDownLatch(1);
505		try {
506	<	one.execute(newRunnable());
506	>	assertFalse(p.isTerminating());
507	>	p.execute(new CheckedRunnable() {
508	>	public void realRun() throws InterruptedException {
509	>	assertFalse(p.isTerminating());
510	>	threadStarted.countDown();
511	>	done.await();
512	>	}});
513	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
514	>	assertFalse(p.isTerminating());
515	>	done.countDown();
516		} finally {
517	<	one.shutdown();
517	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
518		}
519	<	boolean flag = false;
520	<	try{
521	<	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");
519	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
520	>	assertTrue(p.isTerminated());
521	>	assertFalse(p.isTerminating());
522		}
523
524		/**
525	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
525	>	* getQueue returns the work queue, which contains queued tasks
526		*/
527	<	public void testPurge(){
528	<	ScheduledExecutor one = new ScheduledExecutor(1);
527	>	public void testGetQueue() throws InterruptedException {
528	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
529	>	final CountDownLatch threadStarted = new CountDownLatch(1);
530	>	final CountDownLatch done = new CountDownLatch(1);
531		try {
532	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
533	<	for(int i = 0; i < 5; i++){
534	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
532	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
533	>	for (int i = 0; i < tasks.length; i++) {
534	>	Runnable r = new CheckedRunnable() {
535	>	public void realRun() throws InterruptedException {
536	>	threadStarted.countDown();
537	>	done.await();
538	>	}};
539	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
540		}
541	<	int max = 5;
541	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
542	>	BlockingQueue<Runnable> q = p.getQueue();
543	>	assertTrue(q.contains(tasks[tasks.length - 1]));
544	>	assertFalse(q.contains(tasks[0]));
545	>	} finally {
546	>	done.countDown();
547	>	joinPool(p);
548	>	}
549	>	}
550	>
551	>	/**
552	>	* remove(task) removes queued task, and fails to remove active task
553	>	*/
554	>	public void testRemove() throws InterruptedException {
555	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
556	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
557	>	final CountDownLatch threadStarted = new CountDownLatch(1);
558	>	final CountDownLatch done = new CountDownLatch(1);
559	>	try {
560	>	for (int i = 0; i < tasks.length; i++) {
561	>	Runnable r = new CheckedRunnable() {
562	>	public void realRun() throws InterruptedException {
563	>	threadStarted.countDown();
564	>	done.await();
565	>	}};
566	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
567	>	}
568	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569	>	BlockingQueue<Runnable> q = p.getQueue();
570	>	assertFalse(p.remove((Runnable)tasks[0]));
571	>	assertTrue(q.contains((Runnable)tasks[4]));
572	>	assertTrue(q.contains((Runnable)tasks[3]));
573	>	assertTrue(p.remove((Runnable)tasks[4]));
574	>	assertFalse(p.remove((Runnable)tasks[4]));
575	>	assertFalse(q.contains((Runnable)tasks[4]));
576	>	assertTrue(q.contains((Runnable)tasks[3]));
577	>	assertTrue(p.remove((Runnable)tasks[3]));
578	>	assertFalse(q.contains((Runnable)tasks[3]));
579	>	} finally {
580	>	done.countDown();
581	>	joinPool(p);
582	>	}
583	>	}
584	>
585	>	/**
586	>	* purge eventually removes cancelled tasks from the queue
587	>	*/
588	>	public void testPurge() throws InterruptedException {
589	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
590	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
591	>	for (int i = 0; i < tasks.length; i++)
592	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
593	>	LONG_DELAY_MS, MILLISECONDS);
594	>	try {
595	>	int max = tasks.length;
596		if (tasks[4].cancel(true)) --max;
597		if (tasks[3].cancel(true)) --max;
598	<	one.purge();
599	<	long count = one.getTaskCount();
600	<	assertTrue(count > 0 && count <= max);
598	>	// There must eventually be an interference-free point at
599	>	// which purge will not fail. (At worst, when queue is empty.)
600	>	long startTime = System.nanoTime();
601	>	do {
602	>	p.purge();
603	>	long count = p.getTaskCount();
604	>	if (count == max)
605	>	return;
606	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
607	>	fail("Purge failed to remove cancelled tasks");
608	>	} finally {
609	>	for (ScheduledFuture task : tasks)
610	>	task.cancel(true);
611	>	joinPool(p);
612	>	}
613	>	}
614	>
615	>	/**
616	>	* shutdownNow returns a list containing tasks that were not run
617	>	*/
618	>	public void testShutdownNow() {
619	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
620	>	for (int i = 0; i < 5; i++)
621	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
622	>	LONG_DELAY_MS, MILLISECONDS);
623	>	try {
624	>	List<Runnable> l = p.shutdownNow();
625	>	assertTrue(p.isShutdown());
626	>	assertEquals(5, l.size());
627	>	} catch (SecurityException ok) {
628	>	// Allowed in case test doesn't have privs
629		} finally {
630	<	one.shutdown();
630	>	joinPool(p);
631		}
632		}
633
634		/**
635	<	*  Test to verify shutDownNow returns a list
636	<	*  containing the correct number of elements
635	>	* In default setting, shutdown cancels periodic but not delayed
636	>	* tasks at shutdown
637		*/
638	<	public void testShutDownNow(){
639	<	ScheduledExecutor one = new ScheduledExecutor(1);
640	<	for(int i = 0; i < 5; i++)
641	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
642	<	List l = one.shutdownNow();
643	<	assertTrue(one.isShutdown());
644	<	assertTrue(l.size() > 0 && l.size() <= 5);
638	>	public void testShutdown1() throws InterruptedException {
639	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
640	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
641	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
642	>
643	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
644	>	for (int i = 0; i < tasks.length; i++)
645	>	tasks[i] = p.schedule(new NoOpRunnable(),
646	>	SHORT_DELAY_MS, MILLISECONDS);
647	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
648	>	BlockingQueue<Runnable> q = p.getQueue();
649	>	for (ScheduledFuture task : tasks) {
650	>	assertFalse(task.isDone());
651	>	assertFalse(task.isCancelled());
652	>	assertTrue(q.contains(task));
653	>	}
654	>	assertTrue(p.isShutdown());
655	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
656	>	assertTrue(p.isTerminated());
657	>	for (ScheduledFuture task : tasks) {
658	>	assertTrue(task.isDone());
659	>	assertFalse(task.isCancelled());
660	>	}
661		}
662
663	<	public void testShutDown1(){
663	>	/**
664	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
665	>	* delayed tasks are cancelled at shutdown
666	>	*/
667	>	public void testShutdown2() throws InterruptedException {
668	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
669	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
670	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
671	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
672	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
673	>	for (int i = 0; i < tasks.length; i++)
674	>	tasks[i] = p.schedule(new NoOpRunnable(),
675	>	SHORT_DELAY_MS, MILLISECONDS);
676	>	BlockingQueue q = p.getQueue();
677	>	assertEquals(tasks.length, q.size());
678	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
679	>	assertTrue(p.isShutdown());
680	>	assertTrue(q.isEmpty());
681	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
682	>	assertTrue(p.isTerminated());
683	>	for (ScheduledFuture task : tasks) {
684	>	assertTrue(task.isDone());
685	>	assertTrue(task.isCancelled());
686	>	}
687	>	}
688	>
689	>	/**
690	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
691	>	* periodic tasks are cancelled at shutdown
692	>	*/
693	>	public void testShutdown3() throws InterruptedException {
694	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
695	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
696	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
697	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
698	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
699	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
700	>	long initialDelay = LONG_DELAY_MS;
701	>	ScheduledFuture task =
702	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
703	>	5, MILLISECONDS);
704	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
705	>	assertTrue(p.isShutdown());
706	>	assertTrue(p.getQueue().isEmpty());
707	>	assertTrue(task.isDone());
708	>	assertTrue(task.isCancelled());
709	>	joinPool(p);
710	>	}
711	>
712	>	/**
713	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
714	>	* periodic tasks are not cancelled at shutdown
715	>	*/
716	>	public void testShutdown4() throws InterruptedException {
717	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
718	>	final CountDownLatch counter = new CountDownLatch(2);
719		try {
720	<	ScheduledExecutor one = new ScheduledExecutor(1);
721	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
722	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
720	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
721	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
722	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
723	>	final Runnable r = new CheckedRunnable() {
724	>	public void realRun() {
725	>	counter.countDown();
726	>	}};
727	>	ScheduledFuture task =
728	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
729	>	assertFalse(task.isDone());
730	>	assertFalse(task.isCancelled());
731	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
732	>	assertFalse(task.isCancelled());
733	>	assertFalse(p.isTerminated());
734	>	assertTrue(p.isShutdown());
735	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
736	>	assertFalse(task.isCancelled());
737	>	assertTrue(task.cancel(false));
738	>	assertTrue(task.isDone());
739	>	assertTrue(task.isCancelled());
740	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
741	>	assertTrue(p.isTerminated());
742	>	}
743	>	finally {
744	>	joinPool(p);
745	>	}
746	>	}
747
748	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
749	<	for(int i = 0; i < 5; i++)
750	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
751	<	one.shutdown();
752	<	BlockingQueue q = one.getQueue();
753	<	for (Iterator it = q.iterator(); it.hasNext();) {
754	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
755	<	assertFalse(t.isCancelled());
756	<	}
757	<	assertTrue(one.isShutdown());
758	<	Thread.sleep(SHORT_DELAY_MS);
759	<	for (int i = 0; i < 5; ++i) {
760	<	assertTrue(tasks[i].isDone());
761	<	assertFalse(tasks[i].isCancelled());
762	<	}
763	<
748	>	/**
749	>	* completed submit of callable returns result
750	>	*/
751	>	public void testSubmitCallable() throws Exception {
752	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
753	>	try {
754	>	Future<String> future = e.submit(new StringTask());
755	>	String result = future.get();
756	>	assertSame(TEST_STRING, result);
757	>	} finally {
758	>	joinPool(e);
759	>	}
760	>	}
761	>
762	>	/**
763	>	* completed submit of runnable returns successfully
764	>	*/
765	>	public void testSubmitRunnable() throws Exception {
766	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
767	>	try {
768	>	Future<?> future = e.submit(new NoOpRunnable());
769	>	future.get();
770	>	assertTrue(future.isDone());
771	>	} finally {
772	>	joinPool(e);
773	>	}
774	>	}
775	>
776	>	/**
777	>	* completed submit of (runnable, result) returns result
778	>	*/
779	>	public void testSubmitRunnable2() throws Exception {
780	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
781	>	try {
782	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
783	>	String result = future.get();
784	>	assertSame(TEST_STRING, result);
785	>	} finally {
786	>	joinPool(e);
787	>	}
788	>	}
789	>
790	>	/**
791	>	* invokeAny(null) throws NPE
792	>	*/
793	>	public void testInvokeAny1() throws Exception {
794	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
795	>	try {
796	>	e.invokeAny(null);
797	>	shouldThrow();
798	>	} catch (NullPointerException success) {
799	>	} finally {
800	>	joinPool(e);
801		}
802	<	catch(Exception ex) {
803	<	fail("unexpected exception");
802	>	}
803	>
804	>	/**
805	>	* invokeAny(empty collection) throws IAE
806	>	*/
807	>	public void testInvokeAny2() throws Exception {
808	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
809	>	try {
810	>	e.invokeAny(new ArrayList<Callable<String>>());
811	>	shouldThrow();
812	>	} catch (IllegalArgumentException success) {
813	>	} finally {
814	>	joinPool(e);
815		}
816		}
817
818	+	/**
819	+	* invokeAny(c) throws NPE if c has null elements
820	+	*/
821	+	public void testInvokeAny3() throws Exception {
822	+	CountDownLatch latch = new CountDownLatch(1);
823	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
824	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
825	+	l.add(latchAwaitingStringTask(latch));
826	+	l.add(null);
827	+	try {
828	+	e.invokeAny(l);
829	+	shouldThrow();
830	+	} catch (NullPointerException success) {
831	+	} finally {
832	+	latch.countDown();
833	+	joinPool(e);
834	+	}
835	+	}
836
837	<	public void testShutDown2(){
837	>	/**
838	>	* invokeAny(c) throws ExecutionException if no task completes
839	>	*/
840	>	public void testInvokeAny4() throws Exception {
841	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
842	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
843	>	l.add(new NPETask());
844		try {
845	<	ScheduledExecutor one = new ScheduledExecutor(1);
846	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
847	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
848	<	for(int i = 0; i < 5; i++)
849	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
850	<	one.shutdown();
502	<	assertTrue(one.isShutdown());
503	<	BlockingQueue q = one.getQueue();
504	<	assertTrue(q.isEmpty());
505	<	Thread.sleep(SHORT_DELAY_MS);
506	<	assertTrue(one.isTerminated());
845	>	e.invokeAny(l);
846	>	shouldThrow();
847	>	} catch (ExecutionException success) {
848	>	assertTrue(success.getCause() instanceof NullPointerException);
849	>	} finally {
850	>	joinPool(e);
851		}
852	<	catch(Exception ex) {
853	<	fail("unexpected exception");
852	>	}
853	>
854	>	/**
855	>	* invokeAny(c) returns result of some task
856	>	*/
857	>	public void testInvokeAny5() throws Exception {
858	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
859	>	try {
860	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
861	>	l.add(new StringTask());
862	>	l.add(new StringTask());
863	>	String result = e.invokeAny(l);
864	>	assertSame(TEST_STRING, result);
865	>	} finally {
866	>	joinPool(e);
867		}
868		}
869
870	+	/**
871	+	* invokeAll(null) throws NPE
872	+	*/
873	+	public void testInvokeAll1() throws Exception {
874	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
875	+	try {
876	+	e.invokeAll(null);
877	+	shouldThrow();
878	+	} catch (NullPointerException success) {
879	+	} finally {
880	+	joinPool(e);
881	+	}
882	+	}
883
884	<	public void testShutDown3(){
884	>	/**
885	>	* invokeAll(empty collection) returns empty collection
886	>	*/
887	>	public void testInvokeAll2() throws Exception {
888	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
889		try {
890	<	ScheduledExecutor one = new ScheduledExecutor(1);
891	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
892	<	ScheduledCancellable task =
893	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
520	<	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());
890	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
891	>	assertTrue(r.isEmpty());
892	>	} finally {
893	>	joinPool(e);
894		}
895	<	catch(Exception ex) {
896	<	fail("unexpected exception");
895	>	}
896	>
897	>	/**
898	>	* invokeAll(c) throws NPE if c has null elements
899	>	*/
900	>	public void testInvokeAll3() throws Exception {
901	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
902	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
903	>	l.add(new StringTask());
904	>	l.add(null);
905	>	try {
906	>	e.invokeAll(l);
907	>	shouldThrow();
908	>	} catch (NullPointerException success) {
909	>	} finally {
910	>	joinPool(e);
911		}
912		}
913
914	<	public void testShutDown4(){
915	<	ScheduledExecutor one = new ScheduledExecutor(1);
914	>	/**
915	>	* get of invokeAll(c) throws exception on failed task
916	>	*/
917	>	public void testInvokeAll4() throws Exception {
918	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
919	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
920	>	l.add(new NPETask());
921	>	List<Future<String>> futures = e.invokeAll(l);
922	>	assertEquals(1, futures.size());
923		try {
924	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
925	<	ScheduledCancellable task =
926	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
927	<	assertFalse(task.isCancelled());
928	<	one.shutdown();
929	<	assertFalse(task.isCancelled());
930	<	assertFalse(one.isTerminated());
931	<	assertTrue(one.isShutdown());
932	<	Thread.sleep(SHORT_DELAY_MS);
933	<	assertFalse(task.isCancelled());
934	<	task.cancel(true);
935	<	assertTrue(task.isCancelled());
936	<	Thread.sleep(SHORT_DELAY_MS);
937	<	assertTrue(one.isTerminated());
924	>	futures.get(0).get();
925	>	shouldThrow();
926	>	} catch (ExecutionException success) {
927	>	assertTrue(success.getCause() instanceof NullPointerException);
928	>	} finally {
929	>	joinPool(e);
930	>	}
931	>	}
932	>
933	>	/**
934	>	* invokeAll(c) returns results of all completed tasks
935	>	*/
936	>	public void testInvokeAll5() throws Exception {
937	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
938	>	try {
939	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
940	>	l.add(new StringTask());
941	>	l.add(new StringTask());
942	>	List<Future<String>> futures = e.invokeAll(l);
943	>	assertEquals(2, futures.size());
944	>	for (Future<String> future : futures)
945	>	assertSame(TEST_STRING, future.get());
946	>	} finally {
947	>	joinPool(e);
948		}
949	<	catch(Exception ex) {
950	<	fail("unexpected exception");
949	>	}
950	>
951	>	/**
952	>	* timed invokeAny(null) throws NPE
953	>	*/
954	>	public void testTimedInvokeAny1() throws Exception {
955	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
956	>	try {
957	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
958	>	shouldThrow();
959	>	} catch (NullPointerException success) {
960	>	} finally {
961	>	joinPool(e);
962		}
963	<	finally {
964	<	one.shutdownNow();
963	>	}
964	>
965	>	/**
966	>	* timed invokeAny(,,null) throws NPE
967	>	*/
968	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
969	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
970	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
971	>	l.add(new StringTask());
972	>	try {
973	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
974	>	shouldThrow();
975	>	} catch (NullPointerException success) {
976	>	} finally {
977	>	joinPool(e);
978	>	}
979	>	}
980	>
981	>	/**
982	>	* timed invokeAny(empty collection) throws IAE
983	>	*/
984	>	public void testTimedInvokeAny2() throws Exception {
985	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
986	>	try {
987	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
988	>	shouldThrow();
989	>	} catch (IllegalArgumentException success) {
990	>	} finally {
991	>	joinPool(e);
992	>	}
993	>	}
994	>
995	>	/**
996	>	* timed invokeAny(c) throws NPE if c has null elements
997	>	*/
998	>	public void testTimedInvokeAny3() throws Exception {
999	>	CountDownLatch latch = new CountDownLatch(1);
1000	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1001	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1002	>	l.add(latchAwaitingStringTask(latch));
1003	>	l.add(null);
1004	>	try {
1005	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1006	>	shouldThrow();
1007	>	} catch (NullPointerException success) {
1008	>	} finally {
1009	>	latch.countDown();
1010	>	joinPool(e);
1011	>	}
1012	>	}
1013	>
1014	>	/**
1015	>	* timed invokeAny(c) throws ExecutionException if no task completes
1016	>	*/
1017	>	public void testTimedInvokeAny4() throws Exception {
1018	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1019	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1020	>	l.add(new NPETask());
1021	>	try {
1022	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1023	>	shouldThrow();
1024	>	} catch (ExecutionException success) {
1025	>	assertTrue(success.getCause() instanceof NullPointerException);
1026	>	} finally {
1027	>	joinPool(e);
1028	>	}
1029	>	}
1030	>
1031	>	/**
1032	>	* timed invokeAny(c) returns result of some task
1033	>	*/
1034	>	public void testTimedInvokeAny5() throws Exception {
1035	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1036	>	try {
1037	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1038	>	l.add(new StringTask());
1039	>	l.add(new StringTask());
1040	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1041	>	assertSame(TEST_STRING, result);
1042	>	} finally {
1043	>	joinPool(e);
1044	>	}
1045	>	}
1046	>
1047	>	/**
1048	>	* timed invokeAll(null) throws NPE
1049	>	*/
1050	>	public void testTimedInvokeAll1() throws Exception {
1051	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1052	>	try {
1053	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1054	>	shouldThrow();
1055	>	} catch (NullPointerException success) {
1056	>	} finally {
1057	>	joinPool(e);
1058	>	}
1059	>	}
1060	>
1061	>	/**
1062	>	* timed invokeAll(,,null) throws NPE
1063	>	*/
1064	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1065	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1066	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1067	>	l.add(new StringTask());
1068	>	try {
1069	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1070	>	shouldThrow();
1071	>	} catch (NullPointerException success) {
1072	>	} finally {
1073	>	joinPool(e);
1074	>	}
1075	>	}
1076	>
1077	>	/**
1078	>	* timed invokeAll(empty collection) returns empty collection
1079	>	*/
1080	>	public void testTimedInvokeAll2() throws Exception {
1081	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1082	>	try {
1083	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1084	>	assertTrue(r.isEmpty());
1085	>	} finally {
1086	>	joinPool(e);
1087	>	}
1088	>	}
1089	>
1090	>	/**
1091	>	* timed invokeAll(c) throws NPE if c has null elements
1092	>	*/
1093	>	public void testTimedInvokeAll3() throws Exception {
1094	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1095	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1096	>	l.add(new StringTask());
1097	>	l.add(null);
1098	>	try {
1099	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1100	>	shouldThrow();
1101	>	} catch (NullPointerException success) {
1102	>	} finally {
1103	>	joinPool(e);
1104	>	}
1105	>	}
1106	>
1107	>	/**
1108	>	* get of element of invokeAll(c) throws exception on failed task
1109	>	*/
1110	>	public void testTimedInvokeAll4() throws Exception {
1111	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1112	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1113	>	l.add(new NPETask());
1114	>	List<Future<String>> futures =
1115	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1116	>	assertEquals(1, futures.size());
1117	>	try {
1118	>	futures.get(0).get();
1119	>	shouldThrow();
1120	>	} catch (ExecutionException success) {
1121	>	assertTrue(success.getCause() instanceof NullPointerException);
1122	>	} finally {
1123	>	joinPool(e);
1124	>	}
1125	>	}
1126	>
1127	>	/**
1128	>	* timed invokeAll(c) returns results of all completed tasks
1129	>	*/
1130	>	public void testTimedInvokeAll5() throws Exception {
1131	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1132	>	try {
1133	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1134	>	l.add(new StringTask());
1135	>	l.add(new StringTask());
1136	>	List<Future<String>> futures =
1137	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1138	>	assertEquals(2, futures.size());
1139	>	for (Future<String> future : futures)
1140	>	assertSame(TEST_STRING, future.get());
1141	>	} finally {
1142	>	joinPool(e);
1143	>	}
1144	>	}
1145	>
1146	>	/**
1147	>	* timed invokeAll(c) cancels tasks not completed by timeout
1148	>	*/
1149	>	public void testTimedInvokeAll6() throws Exception {
1150	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1151	>	try {
1152	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1153	>	l.add(new StringTask());
1154	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1155	>	l.add(new StringTask());
1156	>	List<Future<String>> futures =
1157	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1158	>	assertEquals(3, futures.size());
1159	>	Iterator<Future<String>> it = futures.iterator();
1160	>	Future<String> f1 = it.next();
1161	>	Future<String> f2 = it.next();
1162	>	Future<String> f3 = it.next();
1163	>	assertTrue(f1.isDone());
1164	>	assertTrue(f2.isDone());
1165	>	assertTrue(f3.isDone());
1166	>	assertFalse(f1.isCancelled());
1167	>	assertTrue(f2.isCancelled());
1168	>	} finally {
1169	>	joinPool(e);
1170		}
1171		}
1172

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