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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 1.10 by dl, Mon Dec 22 00:48:56 2003 UTC

#	Line 9 | Line 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;
15	<
12	>	public class ScheduledExecutorTest extends JSR166TestCase {
13		public static void main(String[] args) {
14		junit.textui.TestRunner.run (suite());
15		}
19	–
20	–
16		public static Test suite() {
17		return new TestSuite(ScheduledExecutorTest.class);
18		}
19
25	–	private static long SHORT_DELAY_MS = 100;
26	–	private static long MEDIUM_DELAY_MS = 1000;
27	–	private static long LONG_DELAY_MS = 10000;
28	–
29	–	static class MyRunnable implements Runnable {
30	–	volatile boolean waiting = true;
31	–	volatile boolean done = false;
32	–	public void run(){
33	–	try{
34	–	Thread.sleep(SHORT_DELAY_MS);
35	–	waiting = false;
36	–	done = true;
37	–	} catch(Exception e){
38	–	}
39	–	}
40	–	}
41	–
42	–	static class MyCallable implements Callable {
43	–	volatile boolean waiting = true;
44	–	volatile boolean done = false;
45	–	public Object call(){
46	–	try{
47	–	Thread.sleep(SHORT_DELAY_MS);
48	–	waiting = false;
49	–	done = true;
50	–	}catch(Exception e){}
51	–	return Boolean.TRUE;
52	–	}
53	–	}
54	–
55	–	public Runnable newRunnable(){
56	–	return new Runnable(){
57	–	public void run(){
58	–	try{Thread.sleep(SHORT_DELAY_MS);
59	–	} catch(Exception e){
60	–	}
61	–	}
62	–	};
63	–	}
64	–
65	–	public Runnable newNoopRunnable() {
66	–	return new Runnable(){
67	–	public void run(){
68	–	}
69	–	};
70	–	}
20
21		/**
22	<	*  Test to verify execute successfully runs the given Runnable
23	<	*/
24	<	public void testExecute(){
25	<	try{
26	<	MyRunnable runnable =new MyRunnable();
27	<	ScheduledExecutor one = new ScheduledExecutor(1);
28	<	one.execute(runnable);
29	<	Thread.sleep(SHORT_DELAY_MS/2);
30	<	assertTrue(runnable.waiting);
31	<	one.shutdown();
32	<	try{
22	>	* execute successfully executes a runnable
23	>	*/
24	>	public void testExecute() {
25	>	try {
26	>	TrackedShortRunnable runnable =new TrackedShortRunnable();
27	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
28	>	p1.execute(runnable);
29	>	assertFalse(runnable.done);
30	>	Thread.sleep(SHORT_DELAY_MS);
31	>	p1.shutdown();
32	>	try {
33		Thread.sleep(MEDIUM_DELAY_MS);
34		} catch(InterruptedException e){
35	<	fail("unexpected exception");
35	>	unexpectedException();
36		}
88	–	assertFalse(runnable.waiting);
37		assertTrue(runnable.done);
38	<	one.shutdown();
38	>	p1.shutdown();
39	>	joinPool(p1);
40		}
41		catch(Exception e){
42	<	fail("unexpected exception");
42	>	unexpectedException();
43		}
44	+
45		}
46
47	+
48		/**
49	<	*  Test to verify schedule successfully runs the given Callable.
99	<	*  The waiting flag shows that the Callable is not started until
100	<	*  immediately.
49	>	* delayed schedule of callable successfully executes after delay
50		*/
51	<	public void testSchedule1(){
52	<	try{
53	<	MyCallable callable = new MyCallable();
54	<	ScheduledExecutor one = new ScheduledExecutor(1);
55	<	Future f = one.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
56	<	assertTrue(callable.waiting);
51	>	public void testSchedule1() {
52	>	try {
53	>	TrackedCallable callable = new TrackedCallable();
54	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
55	>	Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
56	>	assertFalse(callable.done);
57		Thread.sleep(MEDIUM_DELAY_MS);
58		assertTrue(callable.done);
59		assertEquals(Boolean.TRUE, f.get());
60	<	one.shutdown();
61	<	}catch(RejectedExecutionException e){}
60	>	p1.shutdown();
61	>	joinPool(p1);
62	>	} catch(RejectedExecutionException e){}
63		catch(Exception e){
64	<	fail("unexpected exception");
64	>	e.printStackTrace();
65	>	unexpectedException();
66		}
67		}
68
69		/**
70	<	*  Another version of schedule, only using Runnable instead of Callable
70	>	*  delayed schedule of runnable successfully executes after delay
71		*/
72	<	public void testSchedule3(){
73	<	try{
74	<	MyRunnable runnable = new MyRunnable();
75	<	ScheduledExecutor one = new ScheduledExecutor(1);
76	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
77	<	Thread.sleep(SHORT_DELAY_MS/2);
78	<	assertTrue(runnable.waiting);
72	>	public void testSchedule3() {
73	>	try {
74	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
75	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
76	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
77	>	Thread.sleep(SHORT_DELAY_MS);
78	>	assertFalse(runnable.done);
79		Thread.sleep(MEDIUM_DELAY_MS);
80		assertTrue(runnable.done);
81	<	one.shutdown();
81	>	p1.shutdown();
82	>	joinPool(p1);
83		} catch(Exception e){
84	<	fail("unexpected exception");
84	>	unexpectedException();
85		}
86		}
87
88		/**
89	<	*  The final version of schedule, using both long, TimeUnit and Runnable
89	>	* scheduleAtFixedRate executes runnable after given initial delay
90		*/
91	<	public void testSchedule4(){
92	<	try{
93	<	MyRunnable runnable = new MyRunnable();
94	<	ScheduledExecutor one = new ScheduledExecutor(1);
95	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
96	<	//      Thread.sleep(505);
145	<	assertTrue(runnable.waiting);
91	>	public void testSchedule4() {
92	>	try {
93	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
94	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
95	>	ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
96	>	assertFalse(runnable.done);
97		Thread.sleep(MEDIUM_DELAY_MS);
98		assertTrue(runnable.done);
99	<	one.shutdown();
99	>	h.cancel(true);
100	>	p1.shutdown();
101	>	joinPool(p1);
102		} catch(Exception e){
103	<	fail("unexpected exception");
103	>	unexpectedException();
104		}
105		}
153	–
154	–
155	–	// exception tests
106
107		/**
108	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
108	>	* scheduleWithFixedDelay executes runnable after given initial delay
109		*/
110	<	public void testSchedule1_RejectedExecutionException(){
111	<	try{
112	<	ScheduledExecutor se = new ScheduledExecutor(1);
113	<	se.shutdown();
114	<	se.schedule(new Runnable(){
115	<	public void run(){}
116	<	}, 10000, TimeUnit.MILLISECONDS);
117	<	fail("shoud throw");
118	<	}catch(RejectedExecutionException e){}
110	>	public void testSchedule5() {
111	>	try {
112	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
113	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
114	>	ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
115	>	assertFalse(runnable.done);
116	>	Thread.sleep(MEDIUM_DELAY_MS);
117	>	assertTrue(runnable.done);
118	>	h.cancel(true);
119	>	p1.shutdown();
120	>	joinPool(p1);
121	>	} catch(Exception e){
122	>	unexpectedException();
123	>	}
124		}
125	<
125	>
126		/**
127	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
127	>	*  execute (null) throws NPE
128		*/
129	<	public void testSchedule2_RejectedExecutionException(){
130	<	try{
131	<	ScheduledExecutor se = new ScheduledExecutor(1);
132	<	se.shutdown();
133	<	se.schedule(new Callable(){
134	<	public Object call(){
135	<	return Boolean.TRUE;
136	<	}
137	<	}, (long)100, TimeUnit.SECONDS);
138	<	fail("should throw");
139	<	}catch(RejectedExecutionException e){}
129	>	public void testExecuteNull() {
130	>	ScheduledThreadPoolExecutor se = null;
131	>	try {
132	>	se = new ScheduledThreadPoolExecutor(1);
133	>	se.execute(null);
134	>	shouldThrow();
135	>	} catch(NullPointerException success){}
136	>	catch(Exception e){
137	>	unexpectedException();
138	>	}
139	>
140	>	joinPool(se);
141		}
142
143		/**
144	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
145	<	*  This occurs on an attempt to schedule a task on a shutdown executor
146	<	*/
147	<	public void testSchedule3_RejectedExecutionException(){
148	<	try{
149	<	ScheduledExecutor se = new ScheduledExecutor(1);
150	<	se.shutdown();
151	<	se.schedule(new Callable(){
152	<	public Object call(){
153	<	return Boolean.TRUE;
154	<	}
155	<	},  10000, TimeUnit.MILLISECONDS);
156	<	fail("should throw");
203	<	}catch(RejectedExecutionException e){}
144	>	* schedule (null) throws NPE
145	>	*/
146	>	public void testScheduleNull() {
147	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
148	>	try {
149	>	TrackedCallable callable = null;
150	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
151	>	shouldThrow();
152	>	} catch(NullPointerException success){}
153	>	catch(Exception e){
154	>	unexpectedException();
155	>	}
156	>	joinPool(se);
157		}
158	<
158	>
159		/**
160	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
161	<	*  RejectedExecutionException.
162	<	*  This occurs on an attempt to schedule a task on a shutdown executor
163	<	*/
164	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
212	<	try{
213	<	ScheduledExecutor se = new ScheduledExecutor(1);
160	>	* execute throws RejectedExecutionException if shutdown
161	>	*/
162	>	public void testSchedule1_RejectedExecutionException() {
163	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
164	>	try {
165		se.shutdown();
166	<	se.scheduleAtFixedRate(new Runnable(){
167	<	public void run(){}
168	<	}, 100, 100, TimeUnit.SECONDS);
169	<	fail("should throw");
170	<	}catch(RejectedExecutionException e){}
166	>	se.schedule(new NoOpRunnable(),
167	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
168	>	shouldThrow();
169	>	} catch(RejectedExecutionException success){
170	>	}
171	>	joinPool(se);
172	>
173		}
174	<
174	>
175		/**
176	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
177	<	*  RejectedExecutionException.
178	<	*  This occurs on an attempt to schedule a task on a shutdown executor
179	<	*/
180	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
176	>	* schedule throws RejectedExecutionException if shutdown
177	>	*/
178	>	public void testSchedule2_RejectedExecutionException() {
179	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
180	>	try {
181		se.shutdown();
182	<	se.scheduleAtFixedRate(new Runnable(){
183	<	public void run(){}
184	<	},  1, 100, TimeUnit.SECONDS);
185	<	fail("should throw");
186	<	}catch(RejectedExecutionException e){}
182	>	se.schedule(new NoOpCallable(),
183	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
184	>	shouldThrow();
185	>	} catch(RejectedExecutionException success){
186	>	}
187	>	joinPool(se);
188		}
189
190		/**
191	<	*  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
191	>	* schedule callable throws RejectedExecutionException if shutdown
192		*/
193	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
194	<	try{
195	<	ScheduledExecutor se = new ScheduledExecutor(1);
193	>	public void testSchedule3_RejectedExecutionException() {
194	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
195	>	try {
196		se.shutdown();
197	<	se.scheduleWithFixedDelay(new Runnable(){
198	<	public void run(){}
199	<	}, 100, 100, TimeUnit.SECONDS);
200	<	fail("should throw");
201	<	}catch(RejectedExecutionException e){}
197	>	se.schedule(new NoOpCallable(),
198	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
199	>	shouldThrow();
200	>	} catch(RejectedExecutionException success){
201	>	}
202	>	joinPool(se);
203		}
204
205		/**
206	<	*  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
206	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
207		*/
208	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
209	<	try{
210	<	ScheduledExecutor se = new ScheduledExecutor(1);
208	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
209	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
210	>	try {
211		se.shutdown();
212	<	se.scheduleWithFixedDelay(new Runnable(){
213	<	public void run(){}
214	<	},  1, 100, TimeUnit.SECONDS);
215	<	fail("should throw");
216	<	}catch(RejectedExecutionException e){}
212	>	se.scheduleAtFixedRate(new NoOpRunnable(),
213	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
214	>	shouldThrow();
215	>	} catch(RejectedExecutionException success){
216	>	}
217	>	joinPool(se);
218		}
219	<
219	>
220		/**
221	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
221	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
222		*/
223	<	public void testExecute_RejectedExecutionException(){
224	<	try{
225	<	ScheduledExecutor se = new ScheduledExecutor(1);
223	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
224	>	ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1);
225	>	try {
226		se.shutdown();
227	<	se.execute(new Runnable(){
228	<	public void run(){}
229	<	});
230	<	fail("should throw");
231	<	}catch(RejectedExecutionException e){}
227	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
228	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
229	>	shouldThrow();
230	>	} catch(RejectedExecutionException success){
231	>	}
232	>	joinPool(se);
233		}
234
285	–
286	–
235		/**
236	<	*  Test to verify getActiveCount gives correct values
237	<	*/
238	<	public void testGetActiveCount(){
239	<	ScheduledExecutor two = new ScheduledExecutor(2);
236	>	*  getActiveCount increases but doesn't overestimate, when a
237	>	*  thread becomes active
238	>	*/
239	>	public void testGetActiveCount() {
240	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
241	>	assertEquals(0, p2.getActiveCount());
242	>	p2.execute(new SmallRunnable());
243		try {
244	<	assertEquals(0, two.getActiveCount());
245	<	two.execute(newRunnable());
246	<	try{
296	<	Thread.sleep(SHORT_DELAY_MS/2);
297	<	} catch(Exception e){
298	<	fail("unexpected exception");
299	<	}
300	<	assertEquals(1, two.getActiveCount());
301	<	} finally {
302	<	two.shutdown();
244	>	Thread.sleep(SHORT_DELAY_MS);
245	>	} catch(Exception e){
246	>	unexpectedException();
247		}
248	+	assertEquals(1, p2.getActiveCount());
249	+	joinPool(p2);
250		}
251
252		/**
253	<	*  Test to verify getCompleteTaskCount gives correct values
253	>	*    getCompletedTaskCount increases, but doesn't overestimate,
254	>	*   when tasks complete
255		*/
256	<	public void testGetCompletedTaskCount(){
257	<	ScheduledExecutor two = new ScheduledExecutor(2);
256	>	public void testGetCompletedTaskCount() {
257	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
258	>	assertEquals(0, p2.getCompletedTaskCount());
259	>	p2.execute(new SmallRunnable());
260		try {
261	<	assertEquals(0, two.getCompletedTaskCount());
262	<	two.execute(newRunnable());
263	<	try{
315	<	Thread.sleep(MEDIUM_DELAY_MS/2);
316	<	} catch(Exception e){
317	<	fail("unexpected exception");
318	<	}
319	<	assertEquals(1, two.getCompletedTaskCount());
320	<	} finally {
321	<	two.shutdown();
261	>	Thread.sleep(MEDIUM_DELAY_MS);
262	>	} catch(Exception e){
263	>	unexpectedException();
264		}
265	+	assertEquals(1, p2.getCompletedTaskCount());
266	+	joinPool(p2);
267		}
268
269		/**
270	<	*  Test to verify getCorePoolSize gives correct values
270	>	*  getCorePoolSize returns size given in constructor if not otherwise set
271		*/
272	<	public void testGetCorePoolSize(){
273	<	ScheduledExecutor one = new ScheduledExecutor(1);
274	<	try {
275	<	assertEquals(1, one.getCorePoolSize());
332	<	} finally {
333	<	one.shutdown();
334	<	}
272	>	public void testGetCorePoolSize() {
273	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
274	>	assertEquals(1, p1.getCorePoolSize());
275	>	joinPool(p1);
276		}
277
278		/**
279	<	*  Test to verify getLargestPoolSize gives correct values
279	>	*    getLargestPoolSize increases, but doesn't overestimate, when
280	>	*   multiple threads active
281		*/
282	<	public void testGetLargestPoolSize(){
283	<	ScheduledExecutor two = new ScheduledExecutor(2);
282	>	public void testGetLargestPoolSize() {
283	>	ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2);
284	>	assertEquals(0, p2.getLargestPoolSize());
285	>	p2.execute(new SmallRunnable());
286	>	p2.execute(new SmallRunnable());
287		try {
288	<	assertEquals(0, two.getLargestPoolSize());
289	<	two.execute(newRunnable());
290	<	two.execute(newRunnable());
346	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS/2);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
352	<	} finally {
353	<	two.shutdown();
288	>	Thread.sleep(SHORT_DELAY_MS);
289	>	} catch(Exception e){
290	>	unexpectedException();
291		}
292	+	assertEquals(2, p2.getLargestPoolSize());
293	+	joinPool(p2);
294		}
295
296		/**
297	<	*  Test to verify getPoolSize gives correct values
297	>	*   getPoolSize increases, but doesn't overestimate, when threads
298	>	*   become active
299		*/
300	<	public void testGetPoolSize(){
301	<	ScheduledExecutor one = new ScheduledExecutor(1);
302	<	try {
303	<	assertEquals(0, one.getPoolSize());
304	<	one.execute(newRunnable());
305	<	assertEquals(1, one.getPoolSize());
366	<	} finally {
367	<	one.shutdown();
368	<	}
300	>	public void testGetPoolSize() {
301	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
302	>	assertEquals(0, p1.getPoolSize());
303	>	p1.execute(new SmallRunnable());
304	>	assertEquals(1, p1.getPoolSize());
305	>	joinPool(p1);
306		}
307
308		/**
309	<	*  Test to verify getTaskCount gives correct values
309	>	*    getTaskCount increases, but doesn't overestimate, when tasks
310	>	*    submitted
311		*/
312	<	public void testGetTaskCount(){
313	<	ScheduledExecutor one = new ScheduledExecutor(1);
312	>	public void testGetTaskCount() {
313	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
314	>	assertEquals(0, p1.getTaskCount());
315	>	for(int i = 0; i < 5; i++)
316	>	p1.execute(new SmallRunnable());
317		try {
318	<	assertEquals(0, one.getTaskCount());
319	<	for(int i = 0; i < 5; i++)
320	<	one.execute(newRunnable());
321	<	try{
322	<	Thread.sleep(SHORT_DELAY_MS/2);
323	<	} catch(Exception e){
324	<	fail("unexpected exception");
325	<	}
326	<	assertEquals(5, one.getTaskCount());
318	>	Thread.sleep(SHORT_DELAY_MS);
319	>	} catch(Exception e){
320	>	unexpectedException();
321	>	}
322	>	assertEquals(5, p1.getTaskCount());
323	>	joinPool(p1);
324	>	}
325	>
326	>	/**
327	>	* getThreadFactory returns factory in constructor if not set
328	>	*/
329	>	public void testGetThreadFactory() {
330	>	ThreadFactory tf = new SimpleThreadFactory();
331	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf);
332	>	assertSame(tf, p.getThreadFactory());
333	>	p.shutdown();
334	>	joinPool(p);
335	>	}
336	>
337	>	/**
338	>	* setThreadFactory sets the thread factory returned by getThreadFactory
339	>	*/
340	>	public void testSetThreadFactory() {
341	>	ThreadFactory tf = new SimpleThreadFactory();
342	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
343	>	p.setThreadFactory(tf);
344	>	assertSame(tf, p.getThreadFactory());
345	>	p.shutdown();
346	>	joinPool(p);
347	>	}
348	>
349	>	/**
350	>	* setThreadFactory(null) throws NPE
351	>	*/
352	>	public void testSetThreadFactoryNull() {
353	>	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
354	>	try {
355	>	p.setThreadFactory(null);
356	>	shouldThrow();
357	>	} catch (NullPointerException success) {
358		} finally {
359	<	one.shutdown();
359	>	joinPool(p);
360		}
361		}
362
363		/**
364	<	*  Test to verify isShutDown gives correct values
364	>	*   is isShutDown is false before shutdown, true after
365		*/
366	<	public void testIsShutdown(){
366	>	public void testIsShutdown() {
367
368	<	ScheduledExecutor one = new ScheduledExecutor(1);
368	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
369		try {
370	<	assertFalse(one.isShutdown());
370	>	assertFalse(p1.isShutdown());
371		}
372		finally {
373	<	one.shutdown();
373	>	p1.shutdown();
374		}
375	<	assertTrue(one.isShutdown());
375	>	assertTrue(p1.isShutdown());
376		}
377
378
379		/**
380	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
380	>	*   isTerminated is false before termination, true after
381		*/
382	<	public void testIsTerminated(){
383	<	ScheduledExecutor one = new ScheduledExecutor(1);
382	>	public void testIsTerminated() {
383	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
384		try {
385	<	one.execute(newRunnable());
385	>	p1.execute(new SmallRunnable());
386		} finally {
387	<	one.shutdown();
387	>	p1.shutdown();
388		}
389	<	boolean flag = false;
390	<	try{
391	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
389	>	try {
390	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
391	>	assertTrue(p1.isTerminated());
392		} catch(Exception e){
393	<	fail("unexpected exception");
393	>	unexpectedException();
394		}
425	–	assertTrue(one.isTerminated());
426	–	if(!flag)
427	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
395		}
396
397		/**
398	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
398	>	*  isTerminating is not true when running or when terminated
399		*/
400	<	public void testPurge(){
401	<	ScheduledExecutor one = new ScheduledExecutor(1);
400	>	public void testIsTerminating() {
401	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
402	>	assertFalse(p1.isTerminating());
403		try {
404	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
405	<	for(int i = 0; i < 5; i++){
439	<	tasks[i] = one.schedule(newRunnable(), 1, TimeUnit.MILLISECONDS);
440	<	}
441	<	int max = 5;
442	<	if (tasks[4].cancel(true)) --max;
443	<	if (tasks[3].cancel(true)) --max;
444	<	one.purge();
445	<	long count = one.getTaskCount();
446	<	assertTrue(count > 0 && count <= max);
404	>	p1.execute(new SmallRunnable());
405	>	assertFalse(p1.isTerminating());
406		} finally {
407	<	one.shutdown();
407	>	p1.shutdown();
408	>	}
409	>	try {
410	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
411	>	assertTrue(p1.isTerminated());
412	>	assertFalse(p1.isTerminating());
413	>	} catch(Exception e){
414	>	unexpectedException();
415	>	}
416	>	}
417	>
418	>	/**
419	>	* getQueue returns the work queue, which contains queued tasks
420	>	*/
421	>	public void testGetQueue() {
422	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
423	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
424	>	for(int i = 0; i < 5; i++){
425	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
426	>	}
427	>	try {
428	>	Thread.sleep(SHORT_DELAY_MS);
429	>	BlockingQueue<Runnable> q = p1.getQueue();
430	>	assertTrue(q.contains(tasks[4]));
431	>	assertFalse(q.contains(tasks[0]));
432	>	p1.shutdownNow();
433	>	} catch(Exception e) {
434	>	unexpectedException();
435	>	} finally {
436	>	joinPool(p1);
437		}
438		}
439
440		/**
441	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
441	>	* remove(task) removes queued task, and fails to remove active task
442		*/
443	<	public void testShutDownNow(){
444	<	ScheduledExecutor one = new ScheduledExecutor(1);
443	>	public void testRemove() {
444	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
445	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
446	>	for(int i = 0; i < 5; i++){
447	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
448	>	}
449	>	try {
450	>	Thread.sleep(SHORT_DELAY_MS);
451	>	BlockingQueue<Runnable> q = p1.getQueue();
452	>	assertFalse(p1.remove((Runnable)tasks[0]));
453	>	assertTrue(q.contains((Runnable)tasks[4]));
454	>	assertTrue(q.contains((Runnable)tasks[3]));
455	>	assertTrue(p1.remove((Runnable)tasks[4]));
456	>	assertFalse(p1.remove((Runnable)tasks[4]));
457	>	assertFalse(q.contains((Runnable)tasks[4]));
458	>	assertTrue(q.contains((Runnable)tasks[3]));
459	>	assertTrue(p1.remove((Runnable)tasks[3]));
460	>	assertFalse(q.contains((Runnable)tasks[3]));
461	>	p1.shutdownNow();
462	>	} catch(Exception e) {
463	>	unexpectedException();
464	>	} finally {
465	>	joinPool(p1);
466	>	}
467	>	}
468	>
469	>	/**
470	>	*  purge removes cancelled tasks from the queue
471	>	*/
472	>	public void testPurge() {
473	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
474	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
475	>	for(int i = 0; i < 5; i++){
476	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
477	>	}
478	>	int max = 5;
479	>	if (tasks[4].cancel(true)) --max;
480	>	if (tasks[3].cancel(true)) --max;
481	>	p1.purge();
482	>	long count = p1.getTaskCount();
483	>	assertTrue(count > 0 && count <= max);
484	>	joinPool(p1);
485	>	}
486	>
487	>	/**
488	>	*  shutDownNow returns a list containing tasks that were not run
489	>	*/
490	>	public void testShutDownNow() {
491	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
492		for(int i = 0; i < 5; i++)
493	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
494	<	List l = one.shutdownNow();
495	<	assertTrue(one.isShutdown());
493	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
494	>	List l = p1.shutdownNow();
495	>	assertTrue(p1.isShutdown());
496		assertTrue(l.size() > 0 && l.size() <= 5);
497	+	joinPool(p1);
498		}
499
500	<	public void testShutDown1(){
500	>	/**
501	>	* In default setting, shutdown cancels periodic but not delayed
502	>	* tasks at shutdown
503	>	*/
504	>	public void testShutDown1() {
505		try {
506	<	ScheduledExecutor one = new ScheduledExecutor(1);
507	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
506	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
507	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
508	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
509
510	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
510	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
511		for(int i = 0; i < 5; i++)
512	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
513	<	one.shutdown();
514	<	BlockingQueue q = one.getQueue();
512	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
513	>	p1.shutdown();
514	>	BlockingQueue q = p1.getQueue();
515		for (Iterator it = q.iterator(); it.hasNext();) {
516	<	ScheduledCancellable t = (ScheduledCancellable)it.next();
516	>	ScheduledFuture t = (ScheduledFuture)it.next();
517		assertFalse(t.isCancelled());
518		}
519	<	assertTrue(one.isShutdown());
520	<	Thread.sleep(SHORT_DELAY_MS);
519	>	assertTrue(p1.isShutdown());
520	>	Thread.sleep(SMALL_DELAY_MS);
521		for (int i = 0; i < 5; ++i) {
522		assertTrue(tasks[i].isDone());
523		assertFalse(tasks[i].isCancelled());
#	Line 486 | Line 525 | public class ScheduledExecutorTest exten
525
526		}
527		catch(Exception ex) {
528	<	fail("unexpected exception");
528	>	unexpectedException();
529		}
530		}
531
532
533	<	public void testShutDown2(){
533	>	/**
534	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
535	>	* delayed tasks are cancelled at shutdown
536	>	*/
537	>	public void testShutDown2() {
538		try {
539	<	ScheduledExecutor one = new ScheduledExecutor(1);
540	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
541	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
539	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
540	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
541	>	ScheduledFuture[] tasks = new ScheduledFuture[5];
542		for(int i = 0; i < 5; i++)
543	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
544	<	one.shutdown();
545	<	assertTrue(one.isShutdown());
546	<	BlockingQueue q = one.getQueue();
543	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
544	>	p1.shutdown();
545	>	assertTrue(p1.isShutdown());
546	>	BlockingQueue q = p1.getQueue();
547		assertTrue(q.isEmpty());
548	<	Thread.sleep(SHORT_DELAY_MS);
549	<	assertTrue(one.isTerminated());
548	>	Thread.sleep(SMALL_DELAY_MS);
549	>	assertTrue(p1.isTerminated());
550		}
551		catch(Exception ex) {
552	<	fail("unexpected exception");
552	>	unexpectedException();
553		}
554		}
555
556
557	<	public void testShutDown3(){
557	>	/**
558	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
559	>	* periodic tasks are not cancelled at shutdown
560	>	*/
561	>	public void testShutDown3() {
562		try {
563	<	ScheduledExecutor one = new ScheduledExecutor(1);
564	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
565	<	ScheduledCancellable task =
566	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
567	<	one.shutdown();
568	<	assertTrue(one.isShutdown());
569	<	BlockingQueue q = one.getQueue();
563	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
564	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
565	>	ScheduledFuture task =
566	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
567	>	p1.shutdown();
568	>	assertTrue(p1.isShutdown());
569	>	BlockingQueue q = p1.getQueue();
570		assertTrue(q.isEmpty());
571		Thread.sleep(SHORT_DELAY_MS);
572	<	assertTrue(one.isTerminated());
572	>	assertTrue(p1.isTerminated());
573		}
574		catch(Exception ex) {
575	<	fail("unexpected exception");
575	>	unexpectedException();
576		}
577		}
578
579	<	public void testShutDown4(){
580	<	ScheduledExecutor one = new ScheduledExecutor(1);
579	>	/**
580	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
581	>	* periodic tasks are cancelled at shutdown
582	>	*/
583	>	public void testShutDown4() {
584	>	ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1);
585		try {
586	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
587	<	ScheduledCancellable task =
588	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
586	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
587	>	ScheduledFuture task =
588	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
589		assertFalse(task.isCancelled());
590	<	one.shutdown();
590	>	p1.shutdown();
591		assertFalse(task.isCancelled());
592	<	assertFalse(one.isTerminated());
593	<	assertTrue(one.isShutdown());
592	>	assertFalse(p1.isTerminated());
593	>	assertTrue(p1.isShutdown());
594		Thread.sleep(SHORT_DELAY_MS);
595		assertFalse(task.isCancelled());
596		task.cancel(true);
597		assertTrue(task.isCancelled());
598		Thread.sleep(SHORT_DELAY_MS);
599	<	assertTrue(one.isTerminated());
599	>	assertTrue(p1.isTerminated());
600		}
601		catch(Exception ex) {
602	<	fail("unexpected exception");
602	>	unexpectedException();
603		}
604		finally {
605	<	one.shutdownNow();
605	>	p1.shutdownNow();
606	>	}
607	>	}
608	>
609	>	/**
610	>	* completed submit of callable returns result
611	>	*/
612	>	public void testSubmitCallable() {
613	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
614	>	try {
615	>	Future<String> future = e.submit(new StringTask());
616	>	String result = future.get();
617	>	assertSame(TEST_STRING, result);
618	>	}
619	>	catch (ExecutionException ex) {
620	>	unexpectedException();
621	>	}
622	>	catch (InterruptedException ex) {
623	>	unexpectedException();
624	>	} finally {
625	>	joinPool(e);
626	>	}
627	>	}
628	>
629	>	/**
630	>	* completed submit of runnable returns successfully
631	>	*/
632	>	public void testSubmitRunnable() {
633	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
634	>	try {
635	>	Future<?> future = e.submit(new NoOpRunnable());
636	>	future.get();
637	>	assertTrue(future.isDone());
638	>	}
639	>	catch (ExecutionException ex) {
640	>	unexpectedException();
641	>	}
642	>	catch (InterruptedException ex) {
643	>	unexpectedException();
644	>	} finally {
645	>	joinPool(e);
646	>	}
647	>	}
648	>
649	>	/**
650	>	* completed submit of (runnable, result) returns result
651	>	*/
652	>	public void testSubmitRunnable2() {
653	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
654	>	try {
655	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
656	>	String result = future.get();
657	>	assertSame(TEST_STRING, result);
658	>	}
659	>	catch (ExecutionException ex) {
660	>	unexpectedException();
661	>	}
662	>	catch (InterruptedException ex) {
663	>	unexpectedException();
664	>	} finally {
665	>	joinPool(e);
666	>	}
667	>	}
668	>
669	>
670	>
671	>
672	>
673	>	/**
674	>	* invokeAny(null) throws NPE
675	>	*/
676	>	public void testInvokeAny1() {
677	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
678	>	try {
679	>	e.invokeAny(null);
680	>	} catch (NullPointerException success) {
681	>	} catch(Exception ex) {
682	>	unexpectedException();
683	>	} finally {
684	>	joinPool(e);
685	>	}
686	>	}
687	>
688	>	/**
689	>	* invokeAny(empty collection) throws IAE
690	>	*/
691	>	public void testInvokeAny2() {
692	>	ExecutorService e = new ScheduledThreadPoolExecutor(2);
693	>	try {
694	>	e.invokeAny(new ArrayList<Callable<String>>());
695	>	} catch (IllegalArgumentException success) {
696	>	} catch(Exception ex) {
697	>	unexpectedException();
698	>	} finally {
699	>	joinPool(e);
700		}
701		}
702
703	+	/**
704	+	* invokeAny(c) throws NPE if c has null elements
705	+	*/
706	+	public void testInvokeAny3() {
707	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
708	+	try {
709	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	+	l.add(new StringTask());
711	+	l.add(null);
712	+	e.invokeAny(l);
713	+	} catch (NullPointerException success) {
714	+	} catch(Exception ex) {
715	+	unexpectedException();
716	+	} finally {
717	+	joinPool(e);
718	+	}
719	+	}
720	+
721	+	/**
722	+	* invokeAny(c) throws ExecutionException if no task completes
723	+	*/
724	+	public void testInvokeAny4() {
725	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
726	+	try {
727	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	+	l.add(new NPETask());
729	+	e.invokeAny(l);
730	+	} catch (ExecutionException success) {
731	+	} catch(Exception ex) {
732	+	unexpectedException();
733	+	} finally {
734	+	joinPool(e);
735	+	}
736	+	}
737	+
738	+	/**
739	+	* invokeAny(c) returns result of some task
740	+	*/
741	+	public void testInvokeAny5() {
742	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
743	+	try {
744	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
745	+	l.add(new StringTask());
746	+	l.add(new StringTask());
747	+	String result = e.invokeAny(l);
748	+	assertSame(TEST_STRING, result);
749	+	} catch (ExecutionException success) {
750	+	} catch(Exception ex) {
751	+	unexpectedException();
752	+	} finally {
753	+	joinPool(e);
754	+	}
755	+	}
756	+
757	+	/**
758	+	* invokeAll(null) throws NPE
759	+	*/
760	+	public void testInvokeAll1() {
761	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
762	+	try {
763	+	e.invokeAll(null);
764	+	} catch (NullPointerException success) {
765	+	} catch(Exception ex) {
766	+	unexpectedException();
767	+	} finally {
768	+	joinPool(e);
769	+	}
770	+	}
771	+
772	+	/**
773	+	* invokeAll(empty collection) returns empty collection
774	+	*/
775	+	public void testInvokeAll2() {
776	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
777	+	try {
778	+	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
779	+	assertTrue(r.isEmpty());
780	+	} catch(Exception ex) {
781	+	unexpectedException();
782	+	} finally {
783	+	joinPool(e);
784	+	}
785	+	}
786	+
787	+	/**
788	+	* invokeAll(c) throws NPE if c has null elements
789	+	*/
790	+	public void testInvokeAll3() {
791	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
792	+	try {
793	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
794	+	l.add(new StringTask());
795	+	l.add(null);
796	+	e.invokeAll(l);
797	+	} catch (NullPointerException success) {
798	+	} catch(Exception ex) {
799	+	unexpectedException();
800	+	} finally {
801	+	joinPool(e);
802	+	}
803	+	}
804	+
805	+	/**
806	+	* get of invokeAll(c) throws exception on failed task
807	+	*/
808	+	public void testInvokeAll4() {
809	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
810	+	try {
811	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
812	+	l.add(new NPETask());
813	+	List<Future<String>> result = e.invokeAll(l);
814	+	assertEquals(1, result.size());
815	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
816	+	it.next().get();
817	+	} catch(ExecutionException success) {
818	+	} catch(Exception ex) {
819	+	unexpectedException();
820	+	} finally {
821	+	joinPool(e);
822	+	}
823	+	}
824	+
825	+	/**
826	+	* invokeAll(c) returns results of all completed tasks
827	+	*/
828	+	public void testInvokeAll5() {
829	+	ExecutorService e = new ScheduledThreadPoolExecutor(2);
830	+	try {
831	+	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
832	+	l.add(new StringTask());
833	+	l.add(new StringTask());
834	+	List<Future<String>> result = e.invokeAll(l);
835	+	assertEquals(2, result.size());
836	+	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
837	+	assertSame(TEST_STRING, it.next().get());
838	+	} catch (ExecutionException success) {
839	+	} catch(Exception ex) {
840	+	unexpectedException();
841	+	} finally {
842	+	joinPool(e);
843	+	}
844	+	}
845	+
846	+
847		}

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