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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 1.51 by jsr166, Sat Apr 25 04:55:31 2015 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.*;
9	<	import java.util.*;
10	<	import java.util.concurrent.*;
11	<
12	<	public class ScheduledExecutorTest extends TestCase{
13	<
14	<	boolean flag = false;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10
11	+	import java.util.ArrayList;
12	+	import java.util.List;
13	+	import java.util.concurrent.BlockingQueue;
14	+	import java.util.concurrent.Callable;
15	+	import java.util.concurrent.CountDownLatch;
16	+	import java.util.concurrent.ExecutionException;
17	+	import java.util.concurrent.Executors;
18	+	import java.util.concurrent.ExecutorService;
19	+	import java.util.concurrent.Future;
20	+	import java.util.concurrent.RejectedExecutionException;
21	+	import java.util.concurrent.ScheduledFuture;
22	+	import java.util.concurrent.ScheduledThreadPoolExecutor;
23	+	import java.util.concurrent.ThreadFactory;
24	+	import java.util.concurrent.ThreadPoolExecutor;
25	+	import java.util.concurrent.atomic.AtomicInteger;
26	+
27	+	import junit.framework.Test;
28	+	import junit.framework.TestSuite;
29	+
30	+	public class ScheduledExecutorTest extends JSR166TestCase {
31		public static void main(String[] args) {
32	<	junit.textui.TestRunner.run (suite());
32	>	main(suite(), args);
33		}
19	–
20	–
34		public static Test suite() {
35	<	return new TestSuite(ScheduledExecutorTest.class);
35	>	return new TestSuite(ScheduledExecutorTest.class);
36		}
37
38	<	private static long SHORT_DELAY_MS = 100;
39	<	private static long MEDIUM_DELAY_MS = 1000;
40	<	private static long LONG_DELAY_MS = 10000;
41	<
42	<	static class MyRunnable implements Runnable {
43	<	volatile boolean waiting = true;
44	<	volatile boolean done = false;
45	<	public void run(){
46	<	try{
47	<	Thread.sleep(SHORT_DELAY_MS);
48	<	waiting = false;
49	<	done = true;
50	<	} catch(Exception e){
51	<	}
38	>	/**
39	>	* execute successfully executes a runnable
40	>	*/
41	>	public void testExecute() throws InterruptedException {
42	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
43	>	final CountDownLatch done = new CountDownLatch(1);
44	>	final Runnable task = new CheckedRunnable() {
45	>	public void realRun() {
46	>	done.countDown();
47	>	}};
48	>	try {
49	>	p.execute(task);
50	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
51	>	} finally {
52	>	joinPool(p);
53		}
54		}
55
56	<	static class MyCallable implements Callable {
57	<	volatile boolean waiting = true;
58	<	volatile boolean done = false;
59	<	public Object call(){
60	<	try{
61	<	Thread.sleep(SHORT_DELAY_MS);
62	<	waiting = false;
63	<	done = true;
64	<	}catch(Exception e){}
65	<	return Boolean.TRUE;
56	>	/**
57	>	* delayed schedule of callable successfully executes after delay
58	>	*/
59	>	public void testSchedule1() throws Exception {
60	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
61	>	final long startTime = System.nanoTime();
62	>	final CountDownLatch done = new CountDownLatch(1);
63	>	try {
64	>	Callable task = new CheckedCallable<Boolean>() {
65	>	public Boolean realCall() {
66	>	done.countDown();
67	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
68	>	return Boolean.TRUE;
69	>	}};
70	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
71	>	assertSame(Boolean.TRUE, f.get());
72	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
73	>	assertTrue(done.await(0L, MILLISECONDS));
74	>	} finally {
75	>	joinPool(p);
76		}
77		}
78
79	<	public Runnable newRunnable(){
80	<	return new Runnable(){
81	<	public void run(){
82	<	try{Thread.sleep(SHORT_DELAY_MS);
83	<	} catch(Exception e){
84	<	}
85	<	}
86	<	};
87	<	}
88	<
89	<	public Runnable newNoopRunnable() {
90	<	return new Runnable(){
91	<	public void run(){
92	<	}
93	<	};
79	>	/**
80	>	* delayed schedule of runnable successfully executes after delay
81	>	*/
82	>	public void testSchedule3() throws Exception {
83	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
84	>	final long startTime = System.nanoTime();
85	>	final CountDownLatch done = new CountDownLatch(1);
86	>	try {
87	>	Runnable task = new CheckedRunnable() {
88	>	public void realRun() {
89	>	done.countDown();
90	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
91	>	}};
92	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
93	>	await(done);
94	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
95	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
96	>	} finally {
97	>	joinPool(p);
98	>	}
99		}
100
101		/**
102	<	*  Test to verify execute successfully runs the given Runnable
103	<	*/
104	<	public void testExecute(){
105	<	try{
106	<	MyRunnable runnable =new MyRunnable();
107	<	ScheduledExecutor one = new ScheduledExecutor(1);
108	<	one.execute(runnable);
109	<	Thread.sleep(SHORT_DELAY_MS/2);
110	<	assertTrue(runnable.waiting);
111	<	one.shutdown();
112	<	try{
113	<	Thread.sleep(MEDIUM_DELAY_MS);
114	<	} catch(InterruptedException e){
115	<	fail("unexpected exception");
116	<	}
117	<	assertFalse(runnable.waiting);
118	<	assertTrue(runnable.done);
119	<	one.shutdown();
120	<	}
121	<	catch(Exception e){
93	<	fail("unexpected exception");
102	>	* scheduleAtFixedRate executes runnable after given initial delay
103	>	*/
104	>	public void testSchedule4() throws Exception {
105	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
106	>	final long startTime = System.nanoTime();
107	>	final CountDownLatch done = new CountDownLatch(1);
108	>	try {
109	>	Runnable task = new CheckedRunnable() {
110	>	public void realRun() {
111	>	done.countDown();
112	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
113	>	}};
114	>	ScheduledFuture f =
115	>	p.scheduleAtFixedRate(task, timeoutMillis(),
116	>	LONG_DELAY_MS, MILLISECONDS);
117	>	await(done);
118	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
119	>	f.cancel(true);
120	>	} finally {
121	>	joinPool(p);
122		}
123		}
124
125		/**
126	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
126	>	* scheduleWithFixedDelay executes runnable after given initial delay
127		*/
128	<	public void testSchedule1(){
129	<	try{
130	<	MyCallable callable = new MyCallable();
131	<	ScheduledExecutor one = new ScheduledExecutor(1);
132	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
133	<	assertTrue(callable.waiting);
134	<	Thread.sleep(MEDIUM_DELAY_MS);
135	<	assertTrue(callable.done);
136	<	assertEquals(Boolean.TRUE, f.get());
137	<	one.shutdown();
138	<	}catch(RejectedExecutionException e){}
139	<	catch(Exception e){
140	<	fail("unexpected exception");
128	>	public void testSchedule5() throws Exception {
129	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
130	>	final long startTime = System.nanoTime();
131	>	final CountDownLatch done = new CountDownLatch(1);
132	>	try {
133	>	Runnable task = new CheckedRunnable() {
134	>	public void realRun() {
135	>	done.countDown();
136	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
137	>	}};
138	>	ScheduledFuture f =
139	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
140	>	LONG_DELAY_MS, MILLISECONDS);
141	>	await(done);
142	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
143	>	f.cancel(true);
144	>	} finally {
145	>	joinPool(p);
146		}
147		}
148
149	+	static class RunnableCounter implements Runnable {
150	+	AtomicInteger count = new AtomicInteger(0);
151	+	public void run() { count.getAndIncrement(); }
152	+	}
153	+
154		/**
155	<	*  Another version of schedule, only using Runnable instead of Callable
155	>	* scheduleAtFixedRate executes series of tasks at given rate
156		*/
157	<	public void testSchedule3(){
158	<	try{
159	<	MyRunnable runnable = new MyRunnable();
160	<	ScheduledExecutor one = new ScheduledExecutor(1);
161	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
162	<	Thread.sleep(SHORT_DELAY_MS/2);
163	<	assertTrue(runnable.waiting);
164	<	Thread.sleep(MEDIUM_DELAY_MS);
165	<	assertTrue(runnable.done);
166	<	one.shutdown();
167	<	} catch(Exception e){
168	<	fail("unexpected exception");
157	>	public void testFixedRateSequence() throws InterruptedException {
158	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
159	>	try {
160	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
161	>	long startTime = System.nanoTime();
162	>	int cycles = 10;
163	>	final CountDownLatch done = new CountDownLatch(cycles);
164	>	Runnable task = new CheckedRunnable() {
165	>	public void realRun() { done.countDown(); }};
166	>	ScheduledFuture h =
167	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
168	>	done.await();
169	>	h.cancel(true);
170	>	double normalizedTime =
171	>	(double) millisElapsedSince(startTime) / delay;
172	>	if (normalizedTime >= cycles - 1 &&
173	>	normalizedTime <= cycles)
174	>	return;
175	>	}
176	>	throw new AssertionError("unexpected execution rate");
177	>	} finally {
178	>	joinPool(p);
179		}
180		}
181	<
181	>
182		/**
183	<	*  The final version of schedule, using both long, TimeUnit and Runnable
183	>	* scheduleWithFixedDelay executes series of tasks with given period
184		*/
185	<	public void testSchedule4(){
186	<	try{
187	<	MyRunnable runnable = new MyRunnable();
188	<	ScheduledExecutor one = new ScheduledExecutor(1);
189	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
190	<	//      Thread.sleep(505);
191	<	assertTrue(runnable.waiting);
192	<	Thread.sleep(MEDIUM_DELAY_MS);
193	<	assertTrue(runnable.done);
194	<	one.shutdown();
195	<	} catch(Exception e){
196	<	fail("unexpected exception");
185	>	public void testFixedDelaySequence() throws InterruptedException {
186	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
187	>	try {
188	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
189	>	long startTime = System.nanoTime();
190	>	int cycles = 10;
191	>	final CountDownLatch done = new CountDownLatch(cycles);
192	>	Runnable task = new CheckedRunnable() {
193	>	public void realRun() { done.countDown(); }};
194	>	ScheduledFuture h =
195	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
196	>	done.await();
197	>	h.cancel(true);
198	>	double normalizedTime =
199	>	(double) millisElapsedSince(startTime) / delay;
200	>	if (normalizedTime >= cycles - 1 &&
201	>	normalizedTime <= cycles)
202	>	return;
203	>	}
204	>	throw new AssertionError("unexpected execution rate");
205	>	} finally {
206	>	joinPool(p);
207		}
208		}
153	–
154	–
155	–	// exception tests
209
210		/**
211	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
211	>	* execute(null) throws NPE
212		*/
213	<	public void testSchedule1_RejectedExecutionException(){
214	<	try{
215	<	ScheduledExecutor se = new ScheduledExecutor(1);
216	<	se.shutdown();
217	<	se.schedule(new Runnable(){
218	<	public void run(){}
219	<	}, 10000, TimeUnit.MILLISECONDS);
220	<	fail("shoud throw");
221	<	}catch(RejectedExecutionException e){}
213	>	public void testExecuteNull() throws InterruptedException {
214	>	ScheduledThreadPoolExecutor se = null;
215	>	try {
216	>	se = new ScheduledThreadPoolExecutor(1);
217	>	se.execute(null);
218	>	shouldThrow();
219	>	} catch (NullPointerException success) {}
220	>
221	>	joinPool(se);
222		}
223
224		/**
225	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
225	>	* schedule(null) throws NPE
226		*/
227	<	public void testSchedule2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
230	<	se.shutdown();
231	<	se.schedule(new Callable(){
232	<	public Object call(){
233	<	return Boolean.TRUE;
234	<	}
184	<	}, (long)100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
227	>	public void testScheduleNull() throws InterruptedException {
228	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
229	>	try {
230	>	TrackedCallable callable = null;
231	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
232	>	shouldThrow();
233	>	} catch (NullPointerException success) {}
234	>	joinPool(se);
235		}
236
237		/**
238	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
239	<	*  This occurs on an attempt to schedule a task on a shutdown executor
240	<	*/
241	<	public void testSchedule3_RejectedExecutionException(){
242	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
238	>	* execute throws RejectedExecutionException if shutdown
239	>	*/
240	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
241	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
242	>	try {
243		se.shutdown();
244	<	se.schedule(new Callable(){
245	<	public Object call(){
246	<	return Boolean.TRUE;
247	<	}
248	<	},  10000, TimeUnit.MILLISECONDS);
249	<	fail("should throw");
250	<	}catch(RejectedExecutionException e){}
244	>	se.schedule(new NoOpRunnable(),
245	>	MEDIUM_DELAY_MS, MILLISECONDS);
246	>	shouldThrow();
247	>	} catch (RejectedExecutionException success) {
248	>	} catch (SecurityException ok) {
249	>	}
250	>
251	>	joinPool(se);
252		}
253
254		/**
255	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
256	<	*  RejectedExecutionException.
257	<	*  This occurs on an attempt to schedule a task on a shutdown executor
258	<	*/
259	<	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);
255	>	* schedule throws RejectedExecutionException if shutdown
256	>	*/
257	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
258	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
259	>	try {
260		se.shutdown();
261	<	se.scheduleAtFixedRate(new Runnable(){
262	<	public void run(){}
263	<	},  1, 100, TimeUnit.SECONDS);
264	<	fail("should throw");
265	<	}catch(RejectedExecutionException e){}
261	>	se.schedule(new NoOpCallable(),
262	>	MEDIUM_DELAY_MS, MILLISECONDS);
263	>	shouldThrow();
264	>	} catch (RejectedExecutionException success) {
265	>	} catch (SecurityException ok) {
266	>	}
267	>	joinPool(se);
268		}
269
270		/**
271	<	*  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
271	>	* schedule callable throws RejectedExecutionException if shutdown
272		*/
273	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
274	<	try{
275	<	ScheduledExecutor se = new ScheduledExecutor(1);
273	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
274	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
275	>	try {
276		se.shutdown();
277	<	se.scheduleWithFixedDelay(new Runnable(){
278	<	public void run(){}
279	<	}, 100, 100, TimeUnit.SECONDS);
280	<	fail("should throw");
281	<	}catch(RejectedExecutionException e){}
277	>	se.schedule(new NoOpCallable(),
278	>	MEDIUM_DELAY_MS, MILLISECONDS);
279	>	shouldThrow();
280	>	} catch (RejectedExecutionException success) {
281	>	} catch (SecurityException ok) {
282	>	}
283	>	joinPool(se);
284		}
285
286		/**
287	<	*  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
287	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
288		*/
289	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
290	<	try{
291	<	ScheduledExecutor se = new ScheduledExecutor(1);
289	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
290	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
291	>	try {
292		se.shutdown();
293	<	se.scheduleWithFixedDelay(new Runnable(){
294	<	public void run(){}
295	<	},  1, 100, TimeUnit.SECONDS);
296	<	fail("should throw");
297	<	}catch(RejectedExecutionException e){}
293	>	se.scheduleAtFixedRate(new NoOpRunnable(),
294	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
295	>	shouldThrow();
296	>	} catch (RejectedExecutionException success) {
297	>	} catch (SecurityException ok) {
298	>	}
299	>	joinPool(se);
300		}
301
302		/**
303	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
303	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
304		*/
305	<	public void testExecute_RejectedExecutionException(){
306	<	try{
307	<	ScheduledExecutor se = new ScheduledExecutor(1);
305	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
306	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
307	>	try {
308		se.shutdown();
309	<	se.execute(new Runnable(){
310	<	public void run(){}
311	<	});
312	<	fail("should throw");
313	<	}catch(RejectedExecutionException e){}
309	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
310	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
311	>	shouldThrow();
312	>	} catch (RejectedExecutionException success) {
313	>	} catch (SecurityException ok) {
314	>	}
315	>	joinPool(se);
316		}
317
285	–
286	–
318		/**
319	<	*  Test to verify getActiveCount gives correct values
319	>	* getActiveCount increases but doesn't overestimate, when a
320	>	* thread becomes active
321		*/
322	<	public void testGetActiveCount(){
323	<	ScheduledExecutor two = new ScheduledExecutor(2);
322	>	public void testGetActiveCount() throws InterruptedException {
323	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
324	>	final CountDownLatch threadStarted = new CountDownLatch(1);
325	>	final CountDownLatch done = new CountDownLatch(1);
326		try {
327	<	assertEquals(0, two.getActiveCount());
328	<	two.execute(newRunnable());
329	<	try{
330	<	Thread.sleep(SHORT_DELAY_MS/2);
331	<	} catch(Exception e){
332	<	fail("unexpected exception");
333	<	}
334	<	assertEquals(1, two.getActiveCount());
327	>	assertEquals(0, p.getActiveCount());
328	>	p.execute(new CheckedRunnable() {
329	>	public void realRun() throws InterruptedException {
330	>	threadStarted.countDown();
331	>	assertEquals(1, p.getActiveCount());
332	>	done.await();
333	>	}});
334	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
335	>	assertEquals(1, p.getActiveCount());
336		} finally {
337	<	two.shutdown();
337	>	done.countDown();
338	>	joinPool(p);
339		}
340		}
341	<
341	>
342		/**
343	<	*  Test to verify getCompleteTaskCount gives correct values
343	>	* getCompletedTaskCount increases, but doesn't overestimate,
344	>	* when tasks complete
345		*/
346	<	public void testGetCompletedTaskCount(){
347	<	ScheduledExecutor two = new ScheduledExecutor(2);
346	>	public void testGetCompletedTaskCount() throws InterruptedException {
347	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
348	>	final CountDownLatch threadStarted = new CountDownLatch(1);
349	>	final CountDownLatch threadProceed = new CountDownLatch(1);
350	>	final CountDownLatch threadDone = new CountDownLatch(1);
351		try {
352	<	assertEquals(0, two.getCompletedTaskCount());
353	<	two.execute(newRunnable());
354	<	try{
355	<	Thread.sleep(MEDIUM_DELAY_MS/2);
356	<	} catch(Exception e){
357	<	fail("unexpected exception");
352	>	assertEquals(0, p.getCompletedTaskCount());
353	>	p.execute(new CheckedRunnable() {
354	>	public void realRun() throws InterruptedException {
355	>	threadStarted.countDown();
356	>	assertEquals(0, p.getCompletedTaskCount());
357	>	threadProceed.await();
358	>	threadDone.countDown();
359	>	}});
360	>	await(threadStarted);
361	>	assertEquals(0, p.getCompletedTaskCount());
362	>	threadProceed.countDown();
363	>	threadDone.await();
364	>	long startTime = System.nanoTime();
365	>	while (p.getCompletedTaskCount() != 1) {
366	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
367	>	fail("timed out");
368	>	Thread.yield();
369		}
319	–	assertEquals(1, two.getCompletedTaskCount());
370		} finally {
371	<	two.shutdown();
371	>	joinPool(p);
372		}
373		}
374	<
374	>
375		/**
376	<	*  Test to verify getCorePoolSize gives correct values
376	>	* getCorePoolSize returns size given in constructor if not otherwise set
377		*/
378	<	public void testGetCorePoolSize(){
379	<	ScheduledExecutor one = new ScheduledExecutor(1);
378	>	public void testGetCorePoolSize() throws InterruptedException {
379	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
380	>	assertEquals(1, p.getCorePoolSize());
381	>	joinPool(p);
382	>	}
383	>
384	>	/**
385	>	* getLargestPoolSize increases, but doesn't overestimate, when
386	>	* multiple threads active
387	>	*/
388	>	public void testGetLargestPoolSize() throws InterruptedException {
389	>	final int THREADS = 3;
390	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
391	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
392	>	final CountDownLatch done = new CountDownLatch(1);
393		try {
394	<	assertEquals(1, one.getCorePoolSize());
394	>	assertEquals(0, p.getLargestPoolSize());
395	>	for (int i = 0; i < THREADS; i++)
396	>	p.execute(new CheckedRunnable() {
397	>	public void realRun() throws InterruptedException {
398	>	threadsStarted.countDown();
399	>	done.await();
400	>	assertEquals(THREADS, p.getLargestPoolSize());
401	>	}});
402	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
403	>	assertEquals(THREADS, p.getLargestPoolSize());
404		} finally {
405	<	one.shutdown();
405	>	done.countDown();
406	>	joinPool(p);
407	>	assertEquals(THREADS, p.getLargestPoolSize());
408		}
409		}
410	<
410	>
411		/**
412	<	*  Test to verify getLargestPoolSize gives correct values
412	>	* getPoolSize increases, but doesn't overestimate, when threads
413	>	* become active
414		*/
415	<	public void testGetLargestPoolSize(){
416	<	ScheduledExecutor two = new ScheduledExecutor(2);
415	>	public void testGetPoolSize() throws InterruptedException {
416	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
417	>	final CountDownLatch threadStarted = new CountDownLatch(1);
418	>	final CountDownLatch done = new CountDownLatch(1);
419		try {
420	<	assertEquals(0, two.getLargestPoolSize());
421	<	two.execute(newRunnable());
422	<	two.execute(newRunnable());
423	<	try{
424	<	Thread.sleep(SHORT_DELAY_MS/2);
425	<	} catch(Exception e){
426	<	fail("unexpected exception");
427	<	}
428	<	assertEquals(2, two.getLargestPoolSize());
420	>	assertEquals(0, p.getPoolSize());
421	>	p.execute(new CheckedRunnable() {
422	>	public void realRun() throws InterruptedException {
423	>	threadStarted.countDown();
424	>	assertEquals(1, p.getPoolSize());
425	>	done.await();
426	>	}});
427	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
428	>	assertEquals(1, p.getPoolSize());
429		} finally {
430	<	two.shutdown();
430	>	done.countDown();
431	>	joinPool(p);
432		}
433		}
434	<
434	>
435		/**
436	<	*  Test to verify getPoolSize gives correct values
436	>	* getTaskCount increases, but doesn't overestimate, when tasks
437	>	* submitted
438		*/
439	<	public void testGetPoolSize(){
440	<	ScheduledExecutor one = new ScheduledExecutor(1);
441	<	try {
442	<	assertEquals(0, one.getPoolSize());
443	<	one.execute(newRunnable());
444	<	assertEquals(1, one.getPoolSize());
439	>	public void testGetTaskCount() throws InterruptedException {
440	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
441	>	final CountDownLatch threadStarted = new CountDownLatch(1);
442	>	final CountDownLatch done = new CountDownLatch(1);
443	>	final int TASKS = 5;
444	>	try {
445	>	assertEquals(0, p.getTaskCount());
446	>	for (int i = 0; i < TASKS; i++)
447	>	p.execute(new CheckedRunnable() {
448	>	public void realRun() throws InterruptedException {
449	>	threadStarted.countDown();
450	>	done.await();
451	>	}});
452	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
453	>	assertEquals(TASKS, p.getTaskCount());
454		} finally {
455	<	one.shutdown();
455	>	done.countDown();
456	>	joinPool(p);
457		}
458		}
459	<
459	>
460	>	/**
461	>	* getThreadFactory returns factory in constructor if not set
462	>	*/
463	>	public void testGetThreadFactory() throws InterruptedException {
464	>	ThreadFactory tf = new SimpleThreadFactory();
465	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
466	>	assertSame(tf, p.getThreadFactory());
467	>	joinPool(p);
468	>	}
469	>
470		/**
471	<	*  Test to verify getTaskCount gives correct values
471	>	* setThreadFactory sets the thread factory returned by getThreadFactory
472		*/
473	<	public void testGetTaskCount(){
474	<	ScheduledExecutor one = new ScheduledExecutor(1);
473	>	public void testSetThreadFactory() throws InterruptedException {
474	>	ThreadFactory tf = new SimpleThreadFactory();
475	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
476	>	p.setThreadFactory(tf);
477	>	assertSame(tf, p.getThreadFactory());
478	>	joinPool(p);
479	>	}
480	>
481	>	/**
482	>	* setThreadFactory(null) throws NPE
483	>	*/
484	>	public void testSetThreadFactoryNull() throws InterruptedException {
485	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
486		try {
487	<	assertEquals(0, one.getTaskCount());
488	<	for(int i = 0; i < 5; i++)
489	<	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());
487	>	p.setThreadFactory(null);
488	>	shouldThrow();
489	>	} catch (NullPointerException success) {
490		} finally {
491	<	one.shutdown();
491	>	joinPool(p);
492		}
493		}
494	<
494	>
495		/**
496	<	*  Test to verify isShutDown gives correct values
496	>	* isShutdown is false before shutdown, true after
497		*/
498	<	public void testIsShutdown(){
499	<
500	<	ScheduledExecutor one = new ScheduledExecutor(1);
498	>	public void testIsShutdown() {
499	>
500	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
501		try {
502	<	assertFalse(one.isShutdown());
502	>	assertFalse(p.isShutdown());
503		}
504		finally {
505	<	one.shutdown();
505	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
506	>	}
507	>	assertTrue(p.isShutdown());
508	>	}
509	>
510	>	/**
511	>	* isTerminated is false before termination, true after
512	>	*/
513	>	public void testIsTerminated() throws InterruptedException {
514	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
515	>	final CountDownLatch threadStarted = new CountDownLatch(1);
516	>	final CountDownLatch done = new CountDownLatch(1);
517	>	assertFalse(p.isTerminated());
518	>	try {
519	>	p.execute(new CheckedRunnable() {
520	>	public void realRun() throws InterruptedException {
521	>	assertFalse(p.isTerminated());
522	>	threadStarted.countDown();
523	>	done.await();
524	>	}});
525	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
526	>	assertFalse(p.isTerminating());
527	>	done.countDown();
528	>	} finally {
529	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
530		}
531	<	assertTrue(one.isShutdown());
531	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
532	>	assertTrue(p.isTerminated());
533		}
534
406	–
535		/**
536	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
536	>	* isTerminating is not true when running or when terminated
537		*/
538	<	public void testIsTerminated(){
539	<	ScheduledExecutor one = new ScheduledExecutor(1);
538	>	public void testIsTerminating() throws InterruptedException {
539	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
540	>	final CountDownLatch threadStarted = new CountDownLatch(1);
541	>	final CountDownLatch done = new CountDownLatch(1);
542		try {
543	<	one.execute(newRunnable());
543	>	assertFalse(p.isTerminating());
544	>	p.execute(new CheckedRunnable() {
545	>	public void realRun() throws InterruptedException {
546	>	assertFalse(p.isTerminating());
547	>	threadStarted.countDown();
548	>	done.await();
549	>	}});
550	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
551	>	assertFalse(p.isTerminating());
552	>	done.countDown();
553		} finally {
554	<	one.shutdown();
554	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
555		}
556	<	boolean flag = false;
557	<	try{
558	<	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");
556	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
557	>	assertTrue(p.isTerminated());
558	>	assertFalse(p.isTerminating());
559		}
560
561		/**
562	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
562	>	* getQueue returns the work queue, which contains queued tasks
563		*/
564	<	public void testPurge(){
565	<	ScheduledExecutor one = new ScheduledExecutor(1);
564	>	public void testGetQueue() throws InterruptedException {
565	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
566	>	final CountDownLatch threadStarted = new CountDownLatch(1);
567	>	final CountDownLatch done = new CountDownLatch(1);
568		try {
569	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
570	<	for(int i = 0; i < 5; i++){
571	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
569	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
570	>	for (int i = 0; i < tasks.length; i++) {
571	>	Runnable r = new CheckedRunnable() {
572	>	public void realRun() throws InterruptedException {
573	>	threadStarted.countDown();
574	>	done.await();
575	>	}};
576	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
577		}
578	<	int max = 5;
578	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
579	>	BlockingQueue<Runnable> q = p.getQueue();
580	>	assertTrue(q.contains(tasks[tasks.length - 1]));
581	>	assertFalse(q.contains(tasks[0]));
582	>	} finally {
583	>	done.countDown();
584	>	joinPool(p);
585	>	}
586	>	}
587	>
588	>	/**
589	>	* remove(task) removes queued task, and fails to remove active task
590	>	*/
591	>	public void testRemove() throws InterruptedException {
592	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
593	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
594	>	final CountDownLatch threadStarted = new CountDownLatch(1);
595	>	final CountDownLatch done = new CountDownLatch(1);
596	>	try {
597	>	for (int i = 0; i < tasks.length; i++) {
598	>	Runnable r = new CheckedRunnable() {
599	>	public void realRun() throws InterruptedException {
600	>	threadStarted.countDown();
601	>	done.await();
602	>	}};
603	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
604	>	}
605	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
606	>	BlockingQueue<Runnable> q = p.getQueue();
607	>	assertFalse(p.remove((Runnable)tasks[0]));
608	>	assertTrue(q.contains((Runnable)tasks[4]));
609	>	assertTrue(q.contains((Runnable)tasks[3]));
610	>	assertTrue(p.remove((Runnable)tasks[4]));
611	>	assertFalse(p.remove((Runnable)tasks[4]));
612	>	assertFalse(q.contains((Runnable)tasks[4]));
613	>	assertTrue(q.contains((Runnable)tasks[3]));
614	>	assertTrue(p.remove((Runnable)tasks[3]));
615	>	assertFalse(q.contains((Runnable)tasks[3]));
616	>	} finally {
617	>	done.countDown();
618	>	joinPool(p);
619	>	}
620	>	}
621	>
622	>	/**
623	>	* purge eventually removes cancelled tasks from the queue
624	>	*/
625	>	public void testPurge() throws InterruptedException {
626	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
627	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
628	>	for (int i = 0; i < tasks.length; i++)
629	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
630	>	LONG_DELAY_MS, MILLISECONDS);
631	>	try {
632	>	int max = tasks.length;
633		if (tasks[4].cancel(true)) --max;
634		if (tasks[3].cancel(true)) --max;
635	<	one.purge();
636	<	long count = one.getTaskCount();
637	<	assertTrue(count > 0 && count <= max);
635	>	// There must eventually be an interference-free point at
636	>	// which purge will not fail. (At worst, when queue is empty.)
637	>	long startTime = System.nanoTime();
638	>	do {
639	>	p.purge();
640	>	long count = p.getTaskCount();
641	>	if (count == max)
642	>	return;
643	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
644	>	fail("Purge failed to remove cancelled tasks");
645	>	} finally {
646	>	for (ScheduledFuture task : tasks)
647	>	task.cancel(true);
648	>	joinPool(p);
649	>	}
650	>	}
651	>
652	>	/**
653	>	* shutdownNow returns a list containing tasks that were not run
654	>	*/
655	>	public void testShutdownNow() {
656	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
657	>	for (int i = 0; i < 5; i++)
658	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
659	>	LONG_DELAY_MS, MILLISECONDS);
660	>	try {
661	>	List<Runnable> l = p.shutdownNow();
662	>	assertTrue(p.isShutdown());
663	>	assertEquals(5, l.size());
664	>	} catch (SecurityException ok) {
665	>	// Allowed in case test doesn't have privs
666		} finally {
667	<	one.shutdown();
667	>	joinPool(p);
668	>	}
669	>	}
670	>
671	>	/**
672	>	* In default setting, shutdown cancels periodic but not delayed
673	>	* tasks at shutdown
674	>	*/
675	>	public void testShutdown1() throws InterruptedException {
676	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
677	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
678	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
679	>
680	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
681	>	for (int i = 0; i < tasks.length; i++)
682	>	tasks[i] = p.schedule(new NoOpRunnable(),
683	>	SHORT_DELAY_MS, MILLISECONDS);
684	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
685	>	BlockingQueue<Runnable> q = p.getQueue();
686	>	for (ScheduledFuture task : tasks) {
687	>	assertFalse(task.isDone());
688	>	assertFalse(task.isCancelled());
689	>	assertTrue(q.contains(task));
690	>	}
691	>	assertTrue(p.isShutdown());
692	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
693	>	assertTrue(p.isTerminated());
694	>	for (ScheduledFuture task : tasks) {
695	>	assertTrue(task.isDone());
696	>	assertFalse(task.isCancelled());
697	>	}
698	>	}
699	>
700	>	/**
701	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
702	>	* delayed tasks are cancelled at shutdown
703	>	*/
704	>	public void testShutdown2() throws InterruptedException {
705	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
706	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
707	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
708	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
709	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
710	>	for (int i = 0; i < tasks.length; i++)
711	>	tasks[i] = p.schedule(new NoOpRunnable(),
712	>	SHORT_DELAY_MS, MILLISECONDS);
713	>	BlockingQueue q = p.getQueue();
714	>	assertEquals(tasks.length, q.size());
715	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
716	>	assertTrue(p.isShutdown());
717	>	assertTrue(q.isEmpty());
718	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
719	>	assertTrue(p.isTerminated());
720	>	for (ScheduledFuture task : tasks) {
721	>	assertTrue(task.isDone());
722	>	assertTrue(task.isCancelled());
723		}
724		}
725
726		/**
727	<	*  Test to verify shutDownNow returns a list
728	<	*  containing the correct number of elements
727	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
728	>	* periodic tasks are cancelled at shutdown
729		*/
730	<	public void testShutDownNow(){
731	<	ScheduledExecutor one = new ScheduledExecutor(1);
732	<	for(int i = 0; i < 5; i++)
733	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
734	<	List l = one.shutdownNow();
735	<	assertTrue(one.isShutdown());
736	<	assertTrue(l.size() > 0 && l.size() <= 5);
730	>	public void testShutdown3() throws InterruptedException {
731	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
732	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
733	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
734	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
735	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	>	long initialDelay = LONG_DELAY_MS;
738	>	ScheduledFuture task =
739	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
740	>	5, MILLISECONDS);
741	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
742	>	assertTrue(p.isShutdown());
743	>	assertTrue(p.getQueue().isEmpty());
744	>	assertTrue(task.isDone());
745	>	assertTrue(task.isCancelled());
746	>	joinPool(p);
747		}
748
749	<	public void testShutDown1(){
749	>	/**
750	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
751	>	* periodic tasks are not cancelled at shutdown
752	>	*/
753	>	public void testShutdown4() throws InterruptedException {
754	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
755	>	final CountDownLatch counter = new CountDownLatch(2);
756		try {
757	<	ScheduledExecutor one = new ScheduledExecutor(1);
758	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
759	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
757	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
758	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
759	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
760	>	final Runnable r = new CheckedRunnable() {
761	>	public void realRun() {
762	>	counter.countDown();
763	>	}};
764	>	ScheduledFuture task =
765	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
766	>	assertFalse(task.isDone());
767	>	assertFalse(task.isCancelled());
768	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
769	>	assertFalse(task.isCancelled());
770	>	assertFalse(p.isTerminated());
771	>	assertTrue(p.isShutdown());
772	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
773	>	assertFalse(task.isCancelled());
774	>	assertTrue(task.cancel(false));
775	>	assertTrue(task.isDone());
776	>	assertTrue(task.isCancelled());
777	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
778	>	assertTrue(p.isTerminated());
779	>	}
780	>	finally {
781	>	joinPool(p);
782	>	}
783	>	}
784
785	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
786	<	for(int i = 0; i < 5; i++)
787	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
788	<	one.shutdown();
789	<	BlockingQueue q = one.getQueue();
790	<	for (Iterator it = q.iterator(); it.hasNext();) {
791	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
792	<	assertFalse(t.isCancelled());
793	<	}
794	<	assertTrue(one.isShutdown());
795	<	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	<
785	>	/**
786	>	* completed submit of callable returns result
787	>	*/
788	>	public void testSubmitCallable() throws Exception {
789	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
790	>	try {
791	>	Future<String> future = e.submit(new StringTask());
792	>	String result = future.get();
793	>	assertSame(TEST_STRING, result);
794	>	} finally {
795	>	joinPool(e);
796		}
797	<	catch(Exception ex) {
798	<	fail("unexpected exception");
797	>	}
798	>
799	>	/**
800	>	* completed submit of runnable returns successfully
801	>	*/
802	>	public void testSubmitRunnable() throws Exception {
803	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
804	>	try {
805	>	Future<?> future = e.submit(new NoOpRunnable());
806	>	future.get();
807	>	assertTrue(future.isDone());
808	>	} finally {
809	>	joinPool(e);
810		}
811		}
812
813	+	/**
814	+	* completed submit of (runnable, result) returns result
815	+	*/
816	+	public void testSubmitRunnable2() throws Exception {
817	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
818	+	try {
819	+	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
820	+	String result = future.get();
821	+	assertSame(TEST_STRING, result);
822	+	} finally {
823	+	joinPool(e);
824	+	}
825	+	}
826
827	<	public void testShutDown2(){
827	>	/**
828	>	* invokeAny(null) throws NPE
829	>	*/
830	>	public void testInvokeAny1() throws Exception {
831	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
832		try {
833	<	ScheduledExecutor one = new ScheduledExecutor(1);
834	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
835	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
836	<	for(int i = 0; i < 5; i++)
837	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
501	<	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());
833	>	e.invokeAny(null);
834	>	shouldThrow();
835	>	} catch (NullPointerException success) {
836	>	} finally {
837	>	joinPool(e);
838		}
839	<	catch(Exception ex) {
840	<	fail("unexpected exception");
839	>	}
840	>
841	>	/**
842	>	* invokeAny(empty collection) throws IAE
843	>	*/
844	>	public void testInvokeAny2() throws Exception {
845	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
846	>	try {
847	>	e.invokeAny(new ArrayList<Callable<String>>());
848	>	shouldThrow();
849	>	} catch (IllegalArgumentException success) {
850	>	} finally {
851	>	joinPool(e);
852		}
853		}
854
855	+	/**
856	+	* invokeAny(c) throws NPE if c has null elements
857	+	*/
858	+	public void testInvokeAny3() throws Exception {
859	+	CountDownLatch latch = new CountDownLatch(1);
860	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
861	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
862	+	l.add(latchAwaitingStringTask(latch));
863	+	l.add(null);
864	+	try {
865	+	e.invokeAny(l);
866	+	shouldThrow();
867	+	} catch (NullPointerException success) {
868	+	} finally {
869	+	latch.countDown();
870	+	joinPool(e);
871	+	}
872	+	}
873
874	<	public void testShutDown3(){
874	>	/**
875	>	* invokeAny(c) throws ExecutionException if no task completes
876	>	*/
877	>	public void testInvokeAny4() throws Exception {
878	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
879	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
880	>	l.add(new NPETask());
881		try {
882	<	ScheduledExecutor one = new ScheduledExecutor(1);
883	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
884	<	ScheduledCancellable task =
885	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
886	<	one.shutdown();
887	<	assertTrue(one.isShutdown());
522	<	BlockingQueue q = one.getQueue();
523	<	assertTrue(q.isEmpty());
524	<	Thread.sleep(SHORT_DELAY_MS);
525	<	assertTrue(one.isTerminated());
882	>	e.invokeAny(l);
883	>	shouldThrow();
884	>	} catch (ExecutionException success) {
885	>	assertTrue(success.getCause() instanceof NullPointerException);
886	>	} finally {
887	>	joinPool(e);
888		}
889	<	catch(Exception ex) {
890	<	fail("unexpected exception");
889	>	}
890	>
891	>	/**
892	>	* invokeAny(c) returns result of some task
893	>	*/
894	>	public void testInvokeAny5() throws Exception {
895	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
896	>	try {
897	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
898	>	l.add(new StringTask());
899	>	l.add(new StringTask());
900	>	String result = e.invokeAny(l);
901	>	assertSame(TEST_STRING, result);
902	>	} finally {
903	>	joinPool(e);
904		}
905		}
906
907	<	public void testShutDown4(){
908	<	ScheduledExecutor one = new ScheduledExecutor(1);
907	>	/**
908	>	* invokeAll(null) throws NPE
909	>	*/
910	>	public void testInvokeAll1() throws Exception {
911	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
912		try {
913	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
914	<	ScheduledCancellable task =
915	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
916	<	assertFalse(task.isCancelled());
917	<	one.shutdown();
540	<	assertFalse(task.isCancelled());
541	<	assertFalse(one.isTerminated());
542	<	assertTrue(one.isShutdown());
543	<	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());
913	>	e.invokeAll(null);
914	>	shouldThrow();
915	>	} catch (NullPointerException success) {
916	>	} finally {
917	>	joinPool(e);
918		}
919	<	catch(Exception ex) {
920	<	fail("unexpected exception");
919	>	}
920	>
921	>	/**
922	>	* invokeAll(empty collection) returns empty collection
923	>	*/
924	>	public void testInvokeAll2() throws Exception {
925	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
926	>	try {
927	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
928	>	assertTrue(r.isEmpty());
929	>	} finally {
930	>	joinPool(e);
931		}
932	<	finally {
933	<	one.shutdownNow();
932	>	}
933	>
934	>	/**
935	>	* invokeAll(c) throws NPE if c has null elements
936	>	*/
937	>	public void testInvokeAll3() throws Exception {
938	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
939	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
940	>	l.add(new StringTask());
941	>	l.add(null);
942	>	try {
943	>	e.invokeAll(l);
944	>	shouldThrow();
945	>	} catch (NullPointerException success) {
946	>	} finally {
947	>	joinPool(e);
948	>	}
949	>	}
950	>
951	>	/**
952	>	* get of invokeAll(c) throws exception on failed task
953	>	*/
954	>	public void testInvokeAll4() throws Exception {
955	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
956	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
957	>	l.add(new NPETask());
958	>	List<Future<String>> futures = e.invokeAll(l);
959	>	assertEquals(1, futures.size());
960	>	try {
961	>	futures.get(0).get();
962	>	shouldThrow();
963	>	} catch (ExecutionException success) {
964	>	assertTrue(success.getCause() instanceof NullPointerException);
965	>	} finally {
966	>	joinPool(e);
967	>	}
968	>	}
969	>
970	>	/**
971	>	* invokeAll(c) returns results of all completed tasks
972	>	*/
973	>	public void testInvokeAll5() throws Exception {
974	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
975	>	try {
976	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
977	>	l.add(new StringTask());
978	>	l.add(new StringTask());
979	>	List<Future<String>> futures = e.invokeAll(l);
980	>	assertEquals(2, futures.size());
981	>	for (Future<String> future : futures)
982	>	assertSame(TEST_STRING, future.get());
983	>	} finally {
984	>	joinPool(e);
985	>	}
986	>	}
987	>
988	>	/**
989	>	* timed invokeAny(null) throws NPE
990	>	*/
991	>	public void testTimedInvokeAny1() throws Exception {
992	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
993	>	try {
994	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
995	>	shouldThrow();
996	>	} catch (NullPointerException success) {
997	>	} finally {
998	>	joinPool(e);
999	>	}
1000	>	}
1001	>
1002	>	/**
1003	>	* timed invokeAny(,,null) throws NPE
1004	>	*/
1005	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1006	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1007	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1008	>	l.add(new StringTask());
1009	>	try {
1010	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1011	>	shouldThrow();
1012	>	} catch (NullPointerException success) {
1013	>	} finally {
1014	>	joinPool(e);
1015	>	}
1016	>	}
1017	>
1018	>	/**
1019	>	* timed invokeAny(empty collection) throws IAE
1020	>	*/
1021	>	public void testTimedInvokeAny2() throws Exception {
1022	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1023	>	try {
1024	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1025	>	shouldThrow();
1026	>	} catch (IllegalArgumentException success) {
1027	>	} finally {
1028	>	joinPool(e);
1029	>	}
1030	>	}
1031	>
1032	>	/**
1033	>	* timed invokeAny(c) throws NPE if c has null elements
1034	>	*/
1035	>	public void testTimedInvokeAny3() throws Exception {
1036	>	CountDownLatch latch = new CountDownLatch(1);
1037	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1038	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1039	>	l.add(latchAwaitingStringTask(latch));
1040	>	l.add(null);
1041	>	try {
1042	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1043	>	shouldThrow();
1044	>	} catch (NullPointerException success) {
1045	>	} finally {
1046	>	latch.countDown();
1047	>	joinPool(e);
1048	>	}
1049	>	}
1050	>
1051	>	/**
1052	>	* timed invokeAny(c) throws ExecutionException if no task completes
1053	>	*/
1054	>	public void testTimedInvokeAny4() throws Exception {
1055	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1056	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1057	>	l.add(new NPETask());
1058	>	try {
1059	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1060	>	shouldThrow();
1061	>	} catch (ExecutionException success) {
1062	>	assertTrue(success.getCause() instanceof NullPointerException);
1063	>	} finally {
1064	>	joinPool(e);
1065	>	}
1066	>	}
1067	>
1068	>	/**
1069	>	* timed invokeAny(c) returns result of some task
1070	>	*/
1071	>	public void testTimedInvokeAny5() throws Exception {
1072	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1073	>	try {
1074	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1075	>	l.add(new StringTask());
1076	>	l.add(new StringTask());
1077	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1078	>	assertSame(TEST_STRING, result);
1079	>	} finally {
1080	>	joinPool(e);
1081	>	}
1082	>	}
1083	>
1084	>	/**
1085	>	* timed invokeAll(null) throws NPE
1086	>	*/
1087	>	public void testTimedInvokeAll1() throws Exception {
1088	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1089	>	try {
1090	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1091	>	shouldThrow();
1092	>	} catch (NullPointerException success) {
1093	>	} finally {
1094	>	joinPool(e);
1095	>	}
1096	>	}
1097	>
1098	>	/**
1099	>	* timed invokeAll(,,null) throws NPE
1100	>	*/
1101	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1102	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1103	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1104	>	l.add(new StringTask());
1105	>	try {
1106	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1107	>	shouldThrow();
1108	>	} catch (NullPointerException success) {
1109	>	} finally {
1110	>	joinPool(e);
1111	>	}
1112	>	}
1113	>
1114	>	/**
1115	>	* timed invokeAll(empty collection) returns empty collection
1116	>	*/
1117	>	public void testTimedInvokeAll2() throws Exception {
1118	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1119	>	try {
1120	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1121	>	assertTrue(r.isEmpty());
1122	>	} finally {
1123	>	joinPool(e);
1124	>	}
1125	>	}
1126	>
1127	>	/**
1128	>	* timed invokeAll(c) throws NPE if c has null elements
1129	>	*/
1130	>	public void testTimedInvokeAll3() throws Exception {
1131	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1132	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1133	>	l.add(new StringTask());
1134	>	l.add(null);
1135	>	try {
1136	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1137	>	shouldThrow();
1138	>	} catch (NullPointerException success) {
1139	>	} finally {
1140	>	joinPool(e);
1141	>	}
1142	>	}
1143	>
1144	>	/**
1145	>	* get of element of invokeAll(c) throws exception on failed task
1146	>	*/
1147	>	public void testTimedInvokeAll4() throws Exception {
1148	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1149	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1150	>	l.add(new NPETask());
1151	>	List<Future<String>> futures =
1152	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1153	>	assertEquals(1, futures.size());
1154	>	try {
1155	>	futures.get(0).get();
1156	>	shouldThrow();
1157	>	} catch (ExecutionException success) {
1158	>	assertTrue(success.getCause() instanceof NullPointerException);
1159	>	} finally {
1160	>	joinPool(e);
1161	>	}
1162	>	}
1163	>
1164	>	/**
1165	>	* timed invokeAll(c) returns results of all completed tasks
1166	>	*/
1167	>	public void testTimedInvokeAll5() throws Exception {
1168	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1169	>	try {
1170	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1171	>	l.add(new StringTask());
1172	>	l.add(new StringTask());
1173	>	List<Future<String>> futures =
1174	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1175	>	assertEquals(2, futures.size());
1176	>	for (Future<String> future : futures)
1177	>	assertSame(TEST_STRING, future.get());
1178	>	} finally {
1179	>	joinPool(e);
1180	>	}
1181	>	}
1182	>
1183	>	/**
1184	>	* timed invokeAll(c) cancels tasks not completed by timeout
1185	>	*/
1186	>	public void testTimedInvokeAll6() throws Exception {
1187	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1188	>	try {
1189	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1190	>	l.add(new StringTask());
1191	>	l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1192	>	l.add(new StringTask());
1193	>	List<Future<String>> futures =
1194	>	e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1195	>	assertEquals(l.size(), futures.size());
1196	>	for (Future future : futures)
1197	>	assertTrue(future.isDone());
1198	>	assertFalse(futures.get(0).isCancelled());
1199	>	assertTrue(futures.get(1).isCancelled());
1200	>	} finally {
1201	>	joinPool(e);
1202		}
1203		}
1204

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