ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 23:50:09 2003 UTC vs.
Revision 1.53 by jsr166, Sun Sep 27 18:50:50 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.CancellationException;
16	+	import java.util.concurrent.CountDownLatch;
17	+	import java.util.concurrent.ExecutionException;
18	+	import java.util.concurrent.Executors;
19	+	import java.util.concurrent.ExecutorService;
20	+	import java.util.concurrent.Future;
21	+	import java.util.concurrent.RejectedExecutionException;
22	+	import java.util.concurrent.ScheduledFuture;
23	+	import java.util.concurrent.ScheduledThreadPoolExecutor;
24	+	import java.util.concurrent.ThreadFactory;
25	+	import java.util.concurrent.ThreadPoolExecutor;
26	+	import java.util.concurrent.atomic.AtomicInteger;
27	+
28	+	import junit.framework.Test;
29	+	import junit.framework.TestSuite;
30	+
31	+	public class ScheduledExecutorTest extends JSR166TestCase {
32		public static void main(String[] args) {
33	<	junit.textui.TestRunner.run (suite());
33	>	main(suite(), args);
34		}
19	–
20	–
35		public static Test suite() {
36	<	return new TestSuite(ScheduledExecutorTest.class);
36	>	return new TestSuite(ScheduledExecutorTest.class);
37		}
38
39	<	private static long SHORT_DELAY_MS = 100;
40	<	private static long MEDIUM_DELAY_MS = 1000;
41	<	private static long LONG_DELAY_MS = 10000;
42	<
43	<	static class MyRunnable implements Runnable {
44	<	volatile boolean waiting = true;
45	<	volatile boolean done = false;
46	<	public void run(){
47	<	try{
48	<	Thread.sleep(SHORT_DELAY_MS);
49	<	waiting = false;
50	<	done = true;
51	<	} catch(Exception e){
52	<	}
39	>	/**
40	>	* execute successfully executes a runnable
41	>	*/
42	>	public void testExecute() throws InterruptedException {
43	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
44	>	final CountDownLatch done = new CountDownLatch(1);
45	>	final Runnable task = new CheckedRunnable() {
46	>	public void realRun() {
47	>	done.countDown();
48	>	}};
49	>	try {
50	>	p.execute(task);
51	>	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
52	>	} finally {
53	>	joinPool(p);
54		}
55		}
56
57	<	static class MyCallable implements Callable {
58	<	volatile boolean waiting = true;
59	<	volatile boolean done = false;
60	<	public Object call(){
61	<	try{
62	<	Thread.sleep(SHORT_DELAY_MS);
63	<	waiting = false;
64	<	done = true;
65	<	}catch(Exception e){}
66	<	return Boolean.TRUE;
57	>	/**
58	>	* delayed schedule of callable successfully executes after delay
59	>	*/
60	>	public void testSchedule1() throws Exception {
61	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
62	>	final long startTime = System.nanoTime();
63	>	final CountDownLatch done = new CountDownLatch(1);
64	>	try {
65	>	Callable task = new CheckedCallable<Boolean>() {
66	>	public Boolean realCall() {
67	>	done.countDown();
68	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
69	>	return Boolean.TRUE;
70	>	}};
71	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
72	>	assertSame(Boolean.TRUE, f.get());
73	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
74	>	assertTrue(done.await(0L, MILLISECONDS));
75	>	} finally {
76	>	joinPool(p);
77		}
78		}
79
80	<	public Runnable newRunnable(){
81	<	return new Runnable(){
82	<	public void run(){
83	<	try{Thread.sleep(SHORT_DELAY_MS);
84	<	} catch(Exception e){
85	<	}
86	<	}
87	<	};
88	<	}
89	<
90	<	public Runnable newNoopRunnable() {
91	<	return new Runnable(){
92	<	public void run(){
93	<	}
94	<	};
80	>	/**
81	>	* delayed schedule of runnable successfully executes after delay
82	>	*/
83	>	public void testSchedule3() throws Exception {
84	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
85	>	final long startTime = System.nanoTime();
86	>	final CountDownLatch done = new CountDownLatch(1);
87	>	try {
88	>	Runnable task = new CheckedRunnable() {
89	>	public void realRun() {
90	>	done.countDown();
91	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
92	>	}};
93	>	Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
94	>	await(done);
95	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
96	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
97	>	} finally {
98	>	joinPool(p);
99	>	}
100		}
101
102		/**
103	<	*  Test to verify execute successfully runs the given Runnable
104	<	*/
105	<	public void testExecute(){
106	<	try{
107	<	MyRunnable runnable =new MyRunnable();
108	<	ScheduledExecutor one = new ScheduledExecutor(1);
109	<	one.execute(runnable);
110	<	Thread.sleep(SHORT_DELAY_MS/2);
111	<	assertTrue(runnable.waiting);
112	<	one.shutdown();
113	<	try{
114	<	Thread.sleep(MEDIUM_DELAY_MS);
115	<	} catch(InterruptedException e){
116	<	fail("unexpected exception");
117	<	}
118	<	assertFalse(runnable.waiting);
119	<	assertTrue(runnable.done);
120	<	one.shutdown();
121	<	}
122	<	catch(Exception e){
93	<	fail("unexpected exception");
103	>	* scheduleAtFixedRate executes runnable after given initial delay
104	>	*/
105	>	public void testSchedule4() throws Exception {
106	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
107	>	final long startTime = System.nanoTime();
108	>	final CountDownLatch done = new CountDownLatch(1);
109	>	try {
110	>	Runnable task = new CheckedRunnable() {
111	>	public void realRun() {
112	>	done.countDown();
113	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
114	>	}};
115	>	ScheduledFuture f =
116	>	p.scheduleAtFixedRate(task, timeoutMillis(),
117	>	LONG_DELAY_MS, MILLISECONDS);
118	>	await(done);
119	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
120	>	f.cancel(true);
121	>	} finally {
122	>	joinPool(p);
123		}
124		}
125
126		/**
127	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
127	>	* scheduleWithFixedDelay executes runnable after given initial delay
128		*/
129	<	public void testSchedule1(){
130	<	try{
131	<	MyCallable callable = new MyCallable();
132	<	ScheduledExecutor one = new ScheduledExecutor(1);
133	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
134	<	assertTrue(callable.waiting);
135	<	Thread.sleep(MEDIUM_DELAY_MS);
136	<	assertTrue(callable.done);
137	<	assertEquals(Boolean.TRUE, f.get());
138	<	one.shutdown();
139	<	}catch(RejectedExecutionException e){}
140	<	catch(Exception e){
141	<	fail("unexpected exception");
129	>	public void testSchedule5() throws Exception {
130	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
131	>	final long startTime = System.nanoTime();
132	>	final CountDownLatch done = new CountDownLatch(1);
133	>	try {
134	>	Runnable task = new CheckedRunnable() {
135	>	public void realRun() {
136	>	done.countDown();
137	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
138	>	}};
139	>	ScheduledFuture f =
140	>	p.scheduleWithFixedDelay(task, timeoutMillis(),
141	>	LONG_DELAY_MS, MILLISECONDS);
142	>	await(done);
143	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
144	>	f.cancel(true);
145	>	} finally {
146	>	joinPool(p);
147		}
148		}
149
150	+	static class RunnableCounter implements Runnable {
151	+	AtomicInteger count = new AtomicInteger(0);
152	+	public void run() { count.getAndIncrement(); }
153	+	}
154	+
155		/**
156	<	*  Another version of schedule, only using Runnable instead of Callable
156	>	* scheduleAtFixedRate executes series of tasks at given rate
157		*/
158	<	public void testSchedule3(){
159	<	try{
160	<	MyRunnable runnable = new MyRunnable();
161	<	ScheduledExecutor one = new ScheduledExecutor(1);
162	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
163	<	Thread.sleep(SHORT_DELAY_MS/2);
164	<	assertTrue(runnable.waiting);
165	<	Thread.sleep(MEDIUM_DELAY_MS);
166	<	assertTrue(runnable.done);
167	<	one.shutdown();
168	<	} catch(Exception e){
169	<	fail("unexpected exception");
158	>	public void testFixedRateSequence() throws InterruptedException {
159	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
160	>	try {
161	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
162	>	long startTime = System.nanoTime();
163	>	int cycles = 10;
164	>	final CountDownLatch done = new CountDownLatch(cycles);
165	>	Runnable task = new CheckedRunnable() {
166	>	public void realRun() { done.countDown(); }};
167	>	ScheduledFuture h =
168	>	p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
169	>	done.await();
170	>	h.cancel(true);
171	>	double normalizedTime =
172	>	(double) millisElapsedSince(startTime) / delay;
173	>	if (normalizedTime >= cycles - 1 &&
174	>	normalizedTime <= cycles)
175	>	return;
176	>	}
177	>	throw new AssertionError("unexpected execution rate");
178	>	} finally {
179	>	joinPool(p);
180		}
181		}
182	<
182	>
183		/**
184	<	*  The final version of schedule, using both long, TimeUnit and Runnable
184	>	* scheduleWithFixedDelay executes series of tasks with given period
185		*/
186	<	public void testSchedule4(){
187	<	try{
188	<	MyRunnable runnable = new MyRunnable();
189	<	ScheduledExecutor one = new ScheduledExecutor(1);
190	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
191	<	//      Thread.sleep(505);
192	<	assertTrue(runnable.waiting);
193	<	Thread.sleep(MEDIUM_DELAY_MS);
194	<	assertTrue(runnable.done);
195	<	one.shutdown();
196	<	} catch(Exception e){
197	<	fail("unexpected exception");
186	>	public void testFixedDelaySequence() throws InterruptedException {
187	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
188	>	try {
189	>	for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
190	>	long startTime = System.nanoTime();
191	>	int cycles = 10;
192	>	final CountDownLatch done = new CountDownLatch(cycles);
193	>	Runnable task = new CheckedRunnable() {
194	>	public void realRun() { done.countDown(); }};
195	>	ScheduledFuture h =
196	>	p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
197	>	done.await();
198	>	h.cancel(true);
199	>	double normalizedTime =
200	>	(double) millisElapsedSince(startTime) / delay;
201	>	if (normalizedTime >= cycles - 1 &&
202	>	normalizedTime <= cycles)
203	>	return;
204	>	}
205	>	throw new AssertionError("unexpected execution rate");
206	>	} finally {
207	>	joinPool(p);
208		}
209		}
153	–
154	–
155	–	// exception tests
210
211		/**
212	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
212	>	* execute(null) throws NPE
213		*/
214	<	public void testSchedule1_RejectedExecutionException(){
215	<	try{
216	<	ScheduledExecutor se = new ScheduledExecutor(1);
217	<	se.shutdown();
218	<	se.schedule(new Runnable(){
219	<	public void run(){}
220	<	}, 10000, TimeUnit.MILLISECONDS);
221	<	fail("shoud throw");
222	<	}catch(RejectedExecutionException e){}
214	>	public void testExecuteNull() throws InterruptedException {
215	>	ScheduledThreadPoolExecutor se = null;
216	>	try {
217	>	se = new ScheduledThreadPoolExecutor(1);
218	>	se.execute(null);
219	>	shouldThrow();
220	>	} catch (NullPointerException success) {}
221	>
222	>	joinPool(se);
223		}
224
225		/**
226	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
226	>	* schedule(null) throws NPE
227		*/
228	<	public void testSchedule2_RejectedExecutionException(){
229	<	try{
230	<	ScheduledExecutor se = new ScheduledExecutor(1);
231	<	se.shutdown();
232	<	se.schedule(new Callable(){
233	<	public Object call(){
234	<	return Boolean.TRUE;
235	<	}
184	<	}, (long)100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
228	>	public void testScheduleNull() throws InterruptedException {
229	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
230	>	try {
231	>	TrackedCallable callable = null;
232	>	Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
233	>	shouldThrow();
234	>	} catch (NullPointerException success) {}
235	>	joinPool(se);
236		}
237
238		/**
239	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
240	<	*  This occurs on an attempt to schedule a task on a shutdown executor
241	<	*/
242	<	public void testSchedule3_RejectedExecutionException(){
243	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
239	>	* execute throws RejectedExecutionException if shutdown
240	>	*/
241	>	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
242	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
243	>	try {
244		se.shutdown();
245	<	se.schedule(new Callable(){
246	<	public Object call(){
247	<	return Boolean.TRUE;
248	<	}
249	<	},  10000, TimeUnit.MILLISECONDS);
250	<	fail("should throw");
251	<	}catch(RejectedExecutionException e){}
245	>	se.schedule(new NoOpRunnable(),
246	>	MEDIUM_DELAY_MS, MILLISECONDS);
247	>	shouldThrow();
248	>	} catch (RejectedExecutionException success) {
249	>	} catch (SecurityException ok) {
250	>	}
251	>
252	>	joinPool(se);
253		}
254
255		/**
256	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
257	<	*  RejectedExecutionException.
258	<	*  This occurs on an attempt to schedule a task on a shutdown executor
259	<	*/
260	<	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);
256	>	* schedule throws RejectedExecutionException if shutdown
257	>	*/
258	>	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
259	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
260	>	try {
261		se.shutdown();
262	<	se.scheduleAtFixedRate(new Runnable(){
263	<	public void run(){}
264	<	},  1, 100, TimeUnit.SECONDS);
265	<	fail("should throw");
266	<	}catch(RejectedExecutionException e){}
262	>	se.schedule(new NoOpCallable(),
263	>	MEDIUM_DELAY_MS, MILLISECONDS);
264	>	shouldThrow();
265	>	} catch (RejectedExecutionException success) {
266	>	} catch (SecurityException ok) {
267	>	}
268	>	joinPool(se);
269		}
270
271		/**
272	<	*  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
272	>	* schedule callable throws RejectedExecutionException if shutdown
273		*/
274	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
275	<	try{
276	<	ScheduledExecutor se = new ScheduledExecutor(1);
274	>	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
275	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
276	>	try {
277		se.shutdown();
278	<	se.scheduleWithFixedDelay(new Runnable(){
279	<	public void run(){}
280	<	}, 100, 100, TimeUnit.SECONDS);
281	<	fail("should throw");
282	<	}catch(RejectedExecutionException e){}
278	>	se.schedule(new NoOpCallable(),
279	>	MEDIUM_DELAY_MS, MILLISECONDS);
280	>	shouldThrow();
281	>	} catch (RejectedExecutionException success) {
282	>	} catch (SecurityException ok) {
283	>	}
284	>	joinPool(se);
285		}
286
287		/**
288	<	*  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
288	>	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
289		*/
290	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
291	<	try{
292	<	ScheduledExecutor se = new ScheduledExecutor(1);
290	>	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
291	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
292	>	try {
293		se.shutdown();
294	<	se.scheduleWithFixedDelay(new Runnable(){
295	<	public void run(){}
296	<	},  1, 100, TimeUnit.SECONDS);
297	<	fail("should throw");
298	<	}catch(RejectedExecutionException e){}
294	>	se.scheduleAtFixedRate(new NoOpRunnable(),
295	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
296	>	shouldThrow();
297	>	} catch (RejectedExecutionException success) {
298	>	} catch (SecurityException ok) {
299	>	}
300	>	joinPool(se);
301		}
302
303		/**
304	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
304	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
305		*/
306	<	public void testExecute_RejectedExecutionException(){
307	<	try{
308	<	ScheduledExecutor se = new ScheduledExecutor(1);
306	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
307	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
308	>	try {
309		se.shutdown();
310	<	se.execute(new Runnable(){
311	<	public void run(){}
312	<	});
313	<	fail("should throw");
314	<	}catch(RejectedExecutionException e){}
310	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
311	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
312	>	shouldThrow();
313	>	} catch (RejectedExecutionException success) {
314	>	} catch (SecurityException ok) {
315	>	}
316	>	joinPool(se);
317		}
318
285	–
286	–
319		/**
320	<	*  Test to verify getActiveCount gives correct values
320	>	* getActiveCount increases but doesn't overestimate, when a
321	>	* thread becomes active
322		*/
323	<	public void testGetActiveCount(){
324	<	ScheduledExecutor two = new ScheduledExecutor(2);
323	>	public void testGetActiveCount() throws InterruptedException {
324	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
325	>	final CountDownLatch threadStarted = new CountDownLatch(1);
326	>	final CountDownLatch done = new CountDownLatch(1);
327		try {
328	<	assertEquals(0, two.getActiveCount());
329	<	two.execute(newRunnable());
330	<	try{
331	<	Thread.sleep(SHORT_DELAY_MS/2);
332	<	} catch(Exception e){
333	<	fail("unexpected exception");
334	<	}
335	<	assertEquals(1, two.getActiveCount());
328	>	assertEquals(0, p.getActiveCount());
329	>	p.execute(new CheckedRunnable() {
330	>	public void realRun() throws InterruptedException {
331	>	threadStarted.countDown();
332	>	assertEquals(1, p.getActiveCount());
333	>	done.await();
334	>	}});
335	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
336	>	assertEquals(1, p.getActiveCount());
337		} finally {
338	<	two.shutdown();
338	>	done.countDown();
339	>	joinPool(p);
340		}
341		}
342	<
342	>
343		/**
344	<	*  Test to verify getCompleteTaskCount gives correct values
344	>	* getCompletedTaskCount increases, but doesn't overestimate,
345	>	* when tasks complete
346		*/
347	<	public void testGetCompletedTaskCount(){
348	<	ScheduledExecutor two = new ScheduledExecutor(2);
347	>	public void testGetCompletedTaskCount() throws InterruptedException {
348	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2);
349	>	final CountDownLatch threadStarted = new CountDownLatch(1);
350	>	final CountDownLatch threadProceed = new CountDownLatch(1);
351	>	final CountDownLatch threadDone = new CountDownLatch(1);
352		try {
353	<	assertEquals(0, two.getCompletedTaskCount());
354	<	two.execute(newRunnable());
355	<	try{
356	<	Thread.sleep(MEDIUM_DELAY_MS);
357	<	} catch(Exception e){
358	<	fail("unexpected exception");
353	>	assertEquals(0, p.getCompletedTaskCount());
354	>	p.execute(new CheckedRunnable() {
355	>	public void realRun() throws InterruptedException {
356	>	threadStarted.countDown();
357	>	assertEquals(0, p.getCompletedTaskCount());
358	>	threadProceed.await();
359	>	threadDone.countDown();
360	>	}});
361	>	await(threadStarted);
362	>	assertEquals(0, p.getCompletedTaskCount());
363	>	threadProceed.countDown();
364	>	threadDone.await();
365	>	long startTime = System.nanoTime();
366	>	while (p.getCompletedTaskCount() != 1) {
367	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
368	>	fail("timed out");
369	>	Thread.yield();
370		}
319	–	assertEquals(1, two.getCompletedTaskCount());
371		} finally {
372	<	two.shutdown();
372	>	joinPool(p);
373		}
374		}
375	<
375	>
376		/**
377	<	*  Test to verify getCorePoolSize gives correct values
377	>	* getCorePoolSize returns size given in constructor if not otherwise set
378		*/
379	<	public void testGetCorePoolSize(){
380	<	ScheduledExecutor one = new ScheduledExecutor(1);
379	>	public void testGetCorePoolSize() throws InterruptedException {
380	>	ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
381	>	assertEquals(1, p.getCorePoolSize());
382	>	joinPool(p);
383	>	}
384	>
385	>	/**
386	>	* getLargestPoolSize increases, but doesn't overestimate, when
387	>	* multiple threads active
388	>	*/
389	>	public void testGetLargestPoolSize() throws InterruptedException {
390	>	final int THREADS = 3;
391	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS);
392	>	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
393	>	final CountDownLatch done = new CountDownLatch(1);
394		try {
395	<	assertEquals(1, one.getCorePoolSize());
395	>	assertEquals(0, p.getLargestPoolSize());
396	>	for (int i = 0; i < THREADS; i++)
397	>	p.execute(new CheckedRunnable() {
398	>	public void realRun() throws InterruptedException {
399	>	threadsStarted.countDown();
400	>	done.await();
401	>	assertEquals(THREADS, p.getLargestPoolSize());
402	>	}});
403	>	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404	>	assertEquals(THREADS, p.getLargestPoolSize());
405		} finally {
406	<	one.shutdown();
406	>	done.countDown();
407	>	joinPool(p);
408	>	assertEquals(THREADS, p.getLargestPoolSize());
409		}
410		}
411	<
411	>
412		/**
413	<	*  Test to verify getLargestPoolSize gives correct values
413	>	* getPoolSize increases, but doesn't overestimate, when threads
414	>	* become active
415		*/
416	<	public void testGetLargestPoolSize(){
417	<	ScheduledExecutor two = new ScheduledExecutor(2);
416	>	public void testGetPoolSize() throws InterruptedException {
417	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
418	>	final CountDownLatch threadStarted = new CountDownLatch(1);
419	>	final CountDownLatch done = new CountDownLatch(1);
420		try {
421	<	assertEquals(0, two.getLargestPoolSize());
422	<	two.execute(newRunnable());
423	<	two.execute(newRunnable());
424	<	try{
425	<	Thread.sleep(SHORT_DELAY_MS);
426	<	} catch(Exception e){
427	<	fail("unexpected exception");
428	<	}
429	<	assertEquals(2, two.getLargestPoolSize());
421	>	assertEquals(0, p.getPoolSize());
422	>	p.execute(new CheckedRunnable() {
423	>	public void realRun() throws InterruptedException {
424	>	threadStarted.countDown();
425	>	assertEquals(1, p.getPoolSize());
426	>	done.await();
427	>	}});
428	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
429	>	assertEquals(1, p.getPoolSize());
430		} finally {
431	<	two.shutdown();
431	>	done.countDown();
432	>	joinPool(p);
433		}
434		}
435	<
435	>
436		/**
437	<	*  Test to verify getPoolSize gives correct values
437	>	* getTaskCount increases, but doesn't overestimate, when tasks
438	>	* submitted
439		*/
440	<	public void testGetPoolSize(){
441	<	ScheduledExecutor one = new ScheduledExecutor(1);
442	<	try {
443	<	assertEquals(0, one.getPoolSize());
444	<	one.execute(newRunnable());
445	<	assertEquals(1, one.getPoolSize());
440	>	public void testGetTaskCount() throws InterruptedException {
441	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
442	>	final CountDownLatch threadStarted = new CountDownLatch(1);
443	>	final CountDownLatch done = new CountDownLatch(1);
444	>	final int TASKS = 5;
445	>	try {
446	>	assertEquals(0, p.getTaskCount());
447	>	for (int i = 0; i < TASKS; i++)
448	>	p.execute(new CheckedRunnable() {
449	>	public void realRun() throws InterruptedException {
450	>	threadStarted.countDown();
451	>	done.await();
452	>	}});
453	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
454	>	assertEquals(TASKS, p.getTaskCount());
455		} finally {
456	<	one.shutdown();
456	>	done.countDown();
457	>	joinPool(p);
458		}
459		}
460	<
460	>
461	>	/**
462	>	* getThreadFactory returns factory in constructor if not set
463	>	*/
464	>	public void testGetThreadFactory() throws InterruptedException {
465	>	ThreadFactory tf = new SimpleThreadFactory();
466	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
467	>	assertSame(tf, p.getThreadFactory());
468	>	joinPool(p);
469	>	}
470	>
471		/**
472	<	*  Test to verify getTaskCount gives correct values
472	>	* setThreadFactory sets the thread factory returned by getThreadFactory
473		*/
474	<	public void testGetTaskCount(){
475	<	ScheduledExecutor one = new ScheduledExecutor(1);
474	>	public void testSetThreadFactory() throws InterruptedException {
475	>	ThreadFactory tf = new SimpleThreadFactory();
476	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
477	>	p.setThreadFactory(tf);
478	>	assertSame(tf, p.getThreadFactory());
479	>	joinPool(p);
480	>	}
481	>
482	>	/**
483	>	* setThreadFactory(null) throws NPE
484	>	*/
485	>	public void testSetThreadFactoryNull() throws InterruptedException {
486	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
487		try {
488	<	assertEquals(0, one.getTaskCount());
489	<	for(int i = 0; i < 5; i++)
490	<	one.execute(newRunnable());
380	<	try{
381	<	Thread.sleep(SHORT_DELAY_MS);
382	<	} catch(Exception e){
383	<	fail("unexpected exception");
384	<	}
385	<	assertEquals(5, one.getTaskCount());
488	>	p.setThreadFactory(null);
489	>	shouldThrow();
490	>	} catch (NullPointerException success) {
491		} finally {
492	<	one.shutdown();
492	>	joinPool(p);
493		}
494		}
495	<
495	>
496		/**
497	<	*  Test to verify isShutDown gives correct values
497	>	* isShutdown is false before shutdown, true after
498		*/
499	<	public void testIsShutdown(){
500	<
501	<	ScheduledExecutor one = new ScheduledExecutor(1);
499	>	public void testIsShutdown() {
500	>
501	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
502		try {
503	<	assertFalse(one.isShutdown());
503	>	assertFalse(p.isShutdown());
504		}
505		finally {
506	<	one.shutdown();
506	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
507	>	}
508	>	assertTrue(p.isShutdown());
509	>	}
510	>
511	>	/**
512	>	* isTerminated is false before termination, true after
513	>	*/
514	>	public void testIsTerminated() throws InterruptedException {
515	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
516	>	final CountDownLatch threadStarted = new CountDownLatch(1);
517	>	final CountDownLatch done = new CountDownLatch(1);
518	>	assertFalse(p.isTerminated());
519	>	try {
520	>	p.execute(new CheckedRunnable() {
521	>	public void realRun() throws InterruptedException {
522	>	assertFalse(p.isTerminated());
523	>	threadStarted.countDown();
524	>	done.await();
525	>	}});
526	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
527	>	assertFalse(p.isTerminating());
528	>	done.countDown();
529	>	} finally {
530	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
531		}
532	<	assertTrue(one.isShutdown());
532	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533	>	assertTrue(p.isTerminated());
534		}
535
406	–
536		/**
537	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
537	>	* isTerminating is not true when running or when terminated
538		*/
539	<	public void testIsTerminated(){
540	<	ScheduledExecutor one = new ScheduledExecutor(1);
539	>	public void testIsTerminating() throws InterruptedException {
540	>	final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
541	>	final CountDownLatch threadStarted = new CountDownLatch(1);
542	>	final CountDownLatch done = new CountDownLatch(1);
543		try {
544	<	one.execute(newRunnable());
544	>	assertFalse(p.isTerminating());
545	>	p.execute(new CheckedRunnable() {
546	>	public void realRun() throws InterruptedException {
547	>	assertFalse(p.isTerminating());
548	>	threadStarted.countDown();
549	>	done.await();
550	>	}});
551	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
552	>	assertFalse(p.isTerminating());
553	>	done.countDown();
554		} finally {
555	<	one.shutdown();
555	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
556		}
557	<	boolean flag = false;
558	<	try{
559	<	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");
557	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
558	>	assertTrue(p.isTerminated());
559	>	assertFalse(p.isTerminating());
560		}
561
562		/**
563	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
563	>	* getQueue returns the work queue, which contains queued tasks
564		*/
565	<	public void testPurge(){
566	<	ScheduledExecutor one = new ScheduledExecutor(1);
565	>	public void testGetQueue() throws InterruptedException {
566	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
567	>	final CountDownLatch threadStarted = new CountDownLatch(1);
568	>	final CountDownLatch done = new CountDownLatch(1);
569		try {
570	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
571	<	for(int i = 0; i < 5; i++){
572	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
570	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
571	>	for (int i = 0; i < tasks.length; i++) {
572	>	Runnable r = new CheckedRunnable() {
573	>	public void realRun() throws InterruptedException {
574	>	threadStarted.countDown();
575	>	done.await();
576	>	}};
577	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
578		}
579	<	int max = 5;
579	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
580	>	BlockingQueue<Runnable> q = p.getQueue();
581	>	assertTrue(q.contains(tasks[tasks.length - 1]));
582	>	assertFalse(q.contains(tasks[0]));
583	>	} finally {
584	>	done.countDown();
585	>	joinPool(p);
586	>	}
587	>	}
588	>
589	>	/**
590	>	* remove(task) removes queued task, and fails to remove active task
591	>	*/
592	>	public void testRemove() throws InterruptedException {
593	>	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
594	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
595	>	final CountDownLatch threadStarted = new CountDownLatch(1);
596	>	final CountDownLatch done = new CountDownLatch(1);
597	>	try {
598	>	for (int i = 0; i < tasks.length; i++) {
599	>	Runnable r = new CheckedRunnable() {
600	>	public void realRun() throws InterruptedException {
601	>	threadStarted.countDown();
602	>	done.await();
603	>	}};
604	>	tasks[i] = p.schedule(r, 1, MILLISECONDS);
605	>	}
606	>	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607	>	BlockingQueue<Runnable> q = p.getQueue();
608	>	assertFalse(p.remove((Runnable)tasks[0]));
609	>	assertTrue(q.contains((Runnable)tasks[4]));
610	>	assertTrue(q.contains((Runnable)tasks[3]));
611	>	assertTrue(p.remove((Runnable)tasks[4]));
612	>	assertFalse(p.remove((Runnable)tasks[4]));
613	>	assertFalse(q.contains((Runnable)tasks[4]));
614	>	assertTrue(q.contains((Runnable)tasks[3]));
615	>	assertTrue(p.remove((Runnable)tasks[3]));
616	>	assertFalse(q.contains((Runnable)tasks[3]));
617	>	} finally {
618	>	done.countDown();
619	>	joinPool(p);
620	>	}
621	>	}
622	>
623	>	/**
624	>	* purge eventually removes cancelled tasks from the queue
625	>	*/
626	>	public void testPurge() throws InterruptedException {
627	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
628	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
629	>	for (int i = 0; i < tasks.length; i++)
630	>	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
631	>	LONG_DELAY_MS, MILLISECONDS);
632	>	try {
633	>	int max = tasks.length;
634		if (tasks[4].cancel(true)) --max;
635		if (tasks[3].cancel(true)) --max;
636	<	one.purge();
637	<	long count = one.getTaskCount();
638	<	assertTrue(count > 0 && count <= max);
636	>	// There must eventually be an interference-free point at
637	>	// which purge will not fail. (At worst, when queue is empty.)
638	>	long startTime = System.nanoTime();
639	>	do {
640	>	p.purge();
641	>	long count = p.getTaskCount();
642	>	if (count == max)
643	>	return;
644	>	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
645	>	fail("Purge failed to remove cancelled tasks");
646	>	} finally {
647	>	for (ScheduledFuture task : tasks)
648	>	task.cancel(true);
649	>	joinPool(p);
650	>	}
651	>	}
652	>
653	>	/**
654	>	* shutdownNow returns a list containing tasks that were not run,
655	>	* and those tasks are drained from the queue
656	>	*/
657	>	public void testShutdownNow() {
658	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
659	>	for (int i = 0; i < 5; i++)
660	>	p.schedule(new SmallPossiblyInterruptedRunnable(),
661	>	LONG_DELAY_MS, MILLISECONDS);
662	>	try {
663	>	List<Runnable> l = p.shutdownNow();
664	>	assertTrue(p.isShutdown());
665	>	assertTrue(p.getQueue().isEmpty());
666	>	assertEquals(5, l.size());
667	>	} catch (SecurityException ok) {
668	>	// Allowed in case test doesn't have privs
669		} finally {
670	<	one.shutdown();
670	>	joinPool(p);
671	>	}
672	>	}
673	>
674	>	/**
675	>	* In default setting, shutdown cancels periodic but not delayed
676	>	* tasks at shutdown
677	>	*/
678	>	public void testShutdown1() throws InterruptedException {
679	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
680	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
681	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
682	>
683	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
684	>	for (int i = 0; i < tasks.length; i++)
685	>	tasks[i] = p.schedule(new NoOpRunnable(),
686	>	SHORT_DELAY_MS, MILLISECONDS);
687	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
688	>	BlockingQueue<Runnable> q = p.getQueue();
689	>	for (ScheduledFuture task : tasks) {
690	>	assertFalse(task.isDone());
691	>	assertFalse(task.isCancelled());
692	>	assertTrue(q.contains(task));
693	>	}
694	>	assertTrue(p.isShutdown());
695	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
696	>	assertTrue(p.isTerminated());
697	>	for (ScheduledFuture task : tasks) {
698	>	assertTrue(task.isDone());
699	>	assertFalse(task.isCancelled());
700	>	}
701	>	}
702	>
703	>	/**
704	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
705	>	* delayed tasks are cancelled at shutdown
706	>	*/
707	>	public void testShutdown2() throws InterruptedException {
708	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
709	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
710	>	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
711	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
712	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
713	>	for (int i = 0; i < tasks.length; i++)
714	>	tasks[i] = p.schedule(new NoOpRunnable(),
715	>	SHORT_DELAY_MS, MILLISECONDS);
716	>	BlockingQueue q = p.getQueue();
717	>	assertEquals(tasks.length, q.size());
718	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
719	>	assertTrue(p.isShutdown());
720	>	assertTrue(q.isEmpty());
721	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
722	>	assertTrue(p.isTerminated());
723	>	for (ScheduledFuture task : tasks) {
724	>	assertTrue(task.isDone());
725	>	assertTrue(task.isCancelled());
726		}
727		}
728
729		/**
730	<	*  Test to verify shutDownNow returns a list
731	<	*  containing the correct number of elements
730	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
731	>	* periodic tasks are cancelled at shutdown
732		*/
733	<	public void testShutDownNow(){
734	<	ScheduledExecutor one = new ScheduledExecutor(1);
735	<	for(int i = 0; i < 5; i++)
736	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
737	<	List l = one.shutdownNow();
738	<	assertTrue(one.isShutdown());
739	<	assertTrue(l.size() > 0 && l.size() <= 5);
733	>	public void testShutdown3() throws InterruptedException {
734	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
735	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
736	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
737	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
738	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
739	>	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
740	>	long initialDelay = LONG_DELAY_MS;
741	>	ScheduledFuture task =
742	>	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
743	>	5, MILLISECONDS);
744	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
745	>	assertTrue(p.isShutdown());
746	>	assertTrue(p.getQueue().isEmpty());
747	>	assertTrue(task.isDone());
748	>	assertTrue(task.isCancelled());
749	>	joinPool(p);
750		}
751
752	<	public void testShutDown1(){
752	>	/**
753	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
754	>	* periodic tasks are not cancelled at shutdown
755	>	*/
756	>	public void testShutdown4() throws InterruptedException {
757	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
758	>	final CountDownLatch counter = new CountDownLatch(2);
759		try {
760	<	ScheduledExecutor one = new ScheduledExecutor(1);
761	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
762	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
760	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
761	>	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
762	>	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
763	>	final Runnable r = new CheckedRunnable() {
764	>	public void realRun() {
765	>	counter.countDown();
766	>	}};
767	>	ScheduledFuture task =
768	>	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
769	>	assertFalse(task.isDone());
770	>	assertFalse(task.isCancelled());
771	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
772	>	assertFalse(task.isCancelled());
773	>	assertFalse(p.isTerminated());
774	>	assertTrue(p.isShutdown());
775	>	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
776	>	assertFalse(task.isCancelled());
777	>	assertTrue(task.cancel(false));
778	>	assertTrue(task.isDone());
779	>	assertTrue(task.isCancelled());
780	>	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
781	>	assertTrue(p.isTerminated());
782	>	}
783	>	finally {
784	>	joinPool(p);
785	>	}
786	>	}
787
788	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
789	<	for(int i = 0; i < 5; i++)
790	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
791	<	one.shutdown();
792	<	BlockingQueue q = one.getQueue();
793	<	for (Iterator it = q.iterator(); it.hasNext();) {
794	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
795	<	assertFalse(t.isCancelled());
796	<	}
797	<	assertTrue(one.isShutdown());
798	<	Thread.sleep(SHORT_DELAY_MS);
799	<	for (int i = 0; i < 5; ++i) {
800	<	assertTrue(tasks[i].isDone());
801	<	assertFalse(tasks[i].isCancelled());
802	<	}
803	<
788	>	/**
789	>	* completed submit of callable returns result
790	>	*/
791	>	public void testSubmitCallable() throws Exception {
792	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
793	>	try {
794	>	Future<String> future = e.submit(new StringTask());
795	>	String result = future.get();
796	>	assertSame(TEST_STRING, result);
797	>	} finally {
798	>	joinPool(e);
799	>	}
800	>	}
801	>
802	>	/**
803	>	* completed submit of runnable returns successfully
804	>	*/
805	>	public void testSubmitRunnable() throws Exception {
806	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
807	>	try {
808	>	Future<?> future = e.submit(new NoOpRunnable());
809	>	future.get();
810	>	assertTrue(future.isDone());
811	>	} finally {
812	>	joinPool(e);
813	>	}
814	>	}
815	>
816	>	/**
817	>	* completed submit of (runnable, result) returns result
818	>	*/
819	>	public void testSubmitRunnable2() throws Exception {
820	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
821	>	try {
822	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
823	>	String result = future.get();
824	>	assertSame(TEST_STRING, result);
825	>	} finally {
826	>	joinPool(e);
827		}
828	<	catch(Exception ex) {
829	<	fail("unexpected exception");
828	>	}
829	>
830	>	/**
831	>	* invokeAny(null) throws NPE
832	>	*/
833	>	public void testInvokeAny1() throws Exception {
834	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
835	>	try {
836	>	e.invokeAny(null);
837	>	shouldThrow();
838	>	} catch (NullPointerException success) {
839	>	} finally {
840	>	joinPool(e);
841		}
842		}
843
844	+	/**
845	+	* invokeAny(empty collection) throws IAE
846	+	*/
847	+	public void testInvokeAny2() throws Exception {
848	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
849	+	try {
850	+	e.invokeAny(new ArrayList<Callable<String>>());
851	+	shouldThrow();
852	+	} catch (IllegalArgumentException success) {
853	+	} finally {
854	+	joinPool(e);
855	+	}
856	+	}
857
858	<	public void testShutDown2(){
858	>	/**
859	>	* invokeAny(c) throws NPE if c has null elements
860	>	*/
861	>	public void testInvokeAny3() throws Exception {
862	>	CountDownLatch latch = new CountDownLatch(1);
863	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
864	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
865	>	l.add(latchAwaitingStringTask(latch));
866	>	l.add(null);
867		try {
868	<	ScheduledExecutor one = new ScheduledExecutor(1);
869	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
870	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
871	<	for(int i = 0; i < 5; i++)
872	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
873	<	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());
868	>	e.invokeAny(l);
869	>	shouldThrow();
870	>	} catch (NullPointerException success) {
871	>	} finally {
872	>	latch.countDown();
873	>	joinPool(e);
874		}
875	<	catch(Exception ex) {
876	<	fail("unexpected exception");
875	>	}
876	>
877	>	/**
878	>	* invokeAny(c) throws ExecutionException if no task completes
879	>	*/
880	>	public void testInvokeAny4() throws Exception {
881	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
882	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
883	>	l.add(new NPETask());
884	>	try {
885	>	e.invokeAny(l);
886	>	shouldThrow();
887	>	} catch (ExecutionException success) {
888	>	assertTrue(success.getCause() instanceof NullPointerException);
889	>	} finally {
890	>	joinPool(e);
891		}
892		}
893
894	+	/**
895	+	* invokeAny(c) returns result of some task
896	+	*/
897	+	public void testInvokeAny5() throws Exception {
898	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
899	+	try {
900	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
901	+	l.add(new StringTask());
902	+	l.add(new StringTask());
903	+	String result = e.invokeAny(l);
904	+	assertSame(TEST_STRING, result);
905	+	} finally {
906	+	joinPool(e);
907	+	}
908	+	}
909
910	<	public void testShutDown3(){
910	>	/**
911	>	* invokeAll(null) throws NPE
912	>	*/
913	>	public void testInvokeAll1() throws Exception {
914	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
915		try {
916	<	ScheduledExecutor one = new ScheduledExecutor(1);
917	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
918	<	ScheduledCancellable task =
919	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
920	<	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());
916	>	e.invokeAll(null);
917	>	shouldThrow();
918	>	} catch (NullPointerException success) {
919	>	} finally {
920	>	joinPool(e);
921		}
922	<	catch(Exception ex) {
923	<	fail("unexpected exception");
922	>	}
923	>
924	>	/**
925	>	* invokeAll(empty collection) returns empty collection
926	>	*/
927	>	public void testInvokeAll2() throws Exception {
928	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
929	>	try {
930	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
931	>	assertTrue(r.isEmpty());
932	>	} finally {
933	>	joinPool(e);
934		}
935		}
936
937	<	public void testShutDown4(){
938	<	ScheduledExecutor one = new ScheduledExecutor(1);
937	>	/**
938	>	* invokeAll(c) throws NPE if c has null elements
939	>	*/
940	>	public void testInvokeAll3() throws Exception {
941	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
942	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
943	>	l.add(new StringTask());
944	>	l.add(null);
945		try {
946	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
947	<	ScheduledCancellable task =
948	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
949	<	assertFalse(task.isCancelled());
950	<	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());
946	>	e.invokeAll(l);
947	>	shouldThrow();
948	>	} catch (NullPointerException success) {
949	>	} finally {
950	>	joinPool(e);
951		}
952	<	catch(Exception ex) {
953	<	fail("unexpected exception");
952	>	}
953	>
954	>	/**
955	>	* get of invokeAll(c) throws exception on failed task
956	>	*/
957	>	public void testInvokeAll4() throws Exception {
958	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
959	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
960	>	l.add(new NPETask());
961	>	List<Future<String>> futures = e.invokeAll(l);
962	>	assertEquals(1, futures.size());
963	>	try {
964	>	futures.get(0).get();
965	>	shouldThrow();
966	>	} catch (ExecutionException success) {
967	>	assertTrue(success.getCause() instanceof NullPointerException);
968	>	} finally {
969	>	joinPool(e);
970		}
971	<	finally {
972	<	one.shutdownNow();
971	>	}
972	>
973	>	/**
974	>	* invokeAll(c) returns results of all completed tasks
975	>	*/
976	>	public void testInvokeAll5() throws Exception {
977	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
978	>	try {
979	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
980	>	l.add(new StringTask());
981	>	l.add(new StringTask());
982	>	List<Future<String>> futures = e.invokeAll(l);
983	>	assertEquals(2, futures.size());
984	>	for (Future<String> future : futures)
985	>	assertSame(TEST_STRING, future.get());
986	>	} finally {
987	>	joinPool(e);
988	>	}
989	>	}
990	>
991	>	/**
992	>	* timed invokeAny(null) throws NPE
993	>	*/
994	>	public void testTimedInvokeAny1() throws Exception {
995	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
996	>	try {
997	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
998	>	shouldThrow();
999	>	} catch (NullPointerException success) {
1000	>	} finally {
1001	>	joinPool(e);
1002	>	}
1003	>	}
1004	>
1005	>	/**
1006	>	* timed invokeAny(,,null) throws NPE
1007	>	*/
1008	>	public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1009	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1010	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1011	>	l.add(new StringTask());
1012	>	try {
1013	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1014	>	shouldThrow();
1015	>	} catch (NullPointerException success) {
1016	>	} finally {
1017	>	joinPool(e);
1018	>	}
1019	>	}
1020	>
1021	>	/**
1022	>	* timed invokeAny(empty collection) throws IAE
1023	>	*/
1024	>	public void testTimedInvokeAny2() throws Exception {
1025	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1026	>	try {
1027	>	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1028	>	shouldThrow();
1029	>	} catch (IllegalArgumentException success) {
1030	>	} finally {
1031	>	joinPool(e);
1032	>	}
1033	>	}
1034	>
1035	>	/**
1036	>	* timed invokeAny(c) throws NPE if c has null elements
1037	>	*/
1038	>	public void testTimedInvokeAny3() throws Exception {
1039	>	CountDownLatch latch = new CountDownLatch(1);
1040	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1041	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1042	>	l.add(latchAwaitingStringTask(latch));
1043	>	l.add(null);
1044	>	try {
1045	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1046	>	shouldThrow();
1047	>	} catch (NullPointerException success) {
1048	>	} finally {
1049	>	latch.countDown();
1050	>	joinPool(e);
1051	>	}
1052	>	}
1053	>
1054	>	/**
1055	>	* timed invokeAny(c) throws ExecutionException if no task completes
1056	>	*/
1057	>	public void testTimedInvokeAny4() throws Exception {
1058	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1059	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1060	>	l.add(new NPETask());
1061	>	try {
1062	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1063	>	shouldThrow();
1064	>	} catch (ExecutionException success) {
1065	>	assertTrue(success.getCause() instanceof NullPointerException);
1066	>	} finally {
1067	>	joinPool(e);
1068	>	}
1069	>	}
1070	>
1071	>	/**
1072	>	* timed invokeAny(c) returns result of some task
1073	>	*/
1074	>	public void testTimedInvokeAny5() throws Exception {
1075	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1076	>	try {
1077	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1078	>	l.add(new StringTask());
1079	>	l.add(new StringTask());
1080	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1081	>	assertSame(TEST_STRING, result);
1082	>	} finally {
1083	>	joinPool(e);
1084	>	}
1085	>	}
1086	>
1087	>	/**
1088	>	* timed invokeAll(null) throws NPE
1089	>	*/
1090	>	public void testTimedInvokeAll1() throws Exception {
1091	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1092	>	try {
1093	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1094	>	shouldThrow();
1095	>	} catch (NullPointerException success) {
1096	>	} finally {
1097	>	joinPool(e);
1098	>	}
1099	>	}
1100	>
1101	>	/**
1102	>	* timed invokeAll(,,null) throws NPE
1103	>	*/
1104	>	public void testTimedInvokeAllNullTimeUnit() throws Exception {
1105	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1106	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1107	>	l.add(new StringTask());
1108	>	try {
1109	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1110	>	shouldThrow();
1111	>	} catch (NullPointerException success) {
1112	>	} finally {
1113	>	joinPool(e);
1114	>	}
1115	>	}
1116	>
1117	>	/**
1118	>	* timed invokeAll(empty collection) returns empty collection
1119	>	*/
1120	>	public void testTimedInvokeAll2() throws Exception {
1121	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1122	>	try {
1123	>	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1124	>	assertTrue(r.isEmpty());
1125	>	} finally {
1126	>	joinPool(e);
1127	>	}
1128	>	}
1129	>
1130	>	/**
1131	>	* timed invokeAll(c) throws NPE if c has null elements
1132	>	*/
1133	>	public void testTimedInvokeAll3() throws Exception {
1134	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1135	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1136	>	l.add(new StringTask());
1137	>	l.add(null);
1138	>	try {
1139	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1140	>	shouldThrow();
1141	>	} catch (NullPointerException success) {
1142	>	} finally {
1143	>	joinPool(e);
1144	>	}
1145	>	}
1146	>
1147	>	/**
1148	>	* get of element of invokeAll(c) throws exception on failed task
1149	>	*/
1150	>	public void testTimedInvokeAll4() throws Exception {
1151	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1152	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1153	>	l.add(new NPETask());
1154	>	List<Future<String>> futures =
1155	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1156	>	assertEquals(1, futures.size());
1157	>	try {
1158	>	futures.get(0).get();
1159	>	shouldThrow();
1160	>	} catch (ExecutionException success) {
1161	>	assertTrue(success.getCause() instanceof NullPointerException);
1162	>	} finally {
1163	>	joinPool(e);
1164	>	}
1165	>	}
1166	>
1167	>	/**
1168	>	* timed invokeAll(c) returns results of all completed tasks
1169	>	*/
1170	>	public void testTimedInvokeAll5() throws Exception {
1171	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1172	>	try {
1173	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
1174	>	l.add(new StringTask());
1175	>	l.add(new StringTask());
1176	>	List<Future<String>> futures =
1177	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1178	>	assertEquals(2, futures.size());
1179	>	for (Future<String> future : futures)
1180	>	assertSame(TEST_STRING, future.get());
1181	>	} finally {
1182	>	joinPool(e);
1183	>	}
1184	>	}
1185	>
1186	>	/**
1187	>	* timed invokeAll(c) cancels tasks not completed by timeout
1188	>	*/
1189	>	public void testTimedInvokeAll6() throws Exception {
1190	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
1191	>	try {
1192	>	for (long timeout = timeoutMillis();;) {
1193	>	List<Callable<String>> tasks = new ArrayList<>();
1194	>	tasks.add(new StringTask("0"));
1195	>	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1196	>	tasks.add(new StringTask("2"));
1197	>	long startTime = System.nanoTime();
1198	>	List<Future<String>> futures =
1199	>	e.invokeAll(tasks, timeout, MILLISECONDS);
1200	>	assertEquals(tasks.size(), futures.size());
1201	>	assertTrue(millisElapsedSince(startTime) >= timeout);
1202	>	for (Future future : futures)
1203	>	assertTrue(future.isDone());
1204	>	assertTrue(futures.get(1).isCancelled());
1205	>	try {
1206	>	assertEquals("0", futures.get(0).get());
1207	>	assertEquals("2", futures.get(2).get());
1208	>	break;
1209	>	} catch (CancellationException retryWithLongerTimeout) {
1210	>	timeout *= 2;
1211	>	if (timeout >= LONG_DELAY_MS / 2)
1212	>	fail("expected exactly one task to be cancelled");
1213	>	}
1214	>	}
1215	>	} finally {
1216	>	joinPool(e);
1217		}
1218		}
1219

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines