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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 23:50:09 2003 UTC vs.
Revision 1.7 by dl, Fri Sep 26 15:33:13 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	>	TrackedRunnable runnable =new TrackedRunnable();
27	>	ScheduledExecutor p1 = new ScheduledExecutor(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	>	ScheduledExecutor p1 = new ScheduledExecutor(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	>	unexpectedException();
65		}
66		}
67
68		/**
69	<	*  Another version of schedule, only using Runnable instead of Callable
69	>	*  delayed schedule of runnable successfully executes after delay
70		*/
71	<	public void testSchedule3(){
72	<	try{
73	<	MyRunnable runnable = new MyRunnable();
74	<	ScheduledExecutor one = new ScheduledExecutor(1);
75	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
76	<	Thread.sleep(SHORT_DELAY_MS/2);
77	<	assertTrue(runnable.waiting);
71	>	public void testSchedule3() {
72	>	try {
73	>	TrackedRunnable runnable = new TrackedRunnable();
74	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
75	>	p1.schedule(runnable, SMALL_DELAY_MS, TimeUnit.MILLISECONDS);
76	>	Thread.sleep(SHORT_DELAY_MS);
77	>	assertFalse(runnable.done);
78		Thread.sleep(MEDIUM_DELAY_MS);
79		assertTrue(runnable.done);
80	<	one.shutdown();
80	>	p1.shutdown();
81	>	joinPool(p1);
82		} catch(Exception e){
83	<	fail("unexpected exception");
83	>	unexpectedException();
84		}
85		}
86
87		/**
88	<	*  The final version of schedule, using both long, TimeUnit and Runnable
88	>	* scheduleAtFixedRate executes runnable after given initial delay
89		*/
90	<	public void testSchedule4(){
91	<	try{
92	<	MyRunnable runnable = new MyRunnable();
93	<	ScheduledExecutor one = new ScheduledExecutor(1);
94	<	one.schedule(runnable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
95	<	//      Thread.sleep(505);
145	<	assertTrue(runnable.waiting);
90	>	public void testSchedule4() {
91	>	try {
92	>	TrackedRunnable runnable = new TrackedRunnable();
93	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
94	>	ScheduledCancellable h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
95	>	assertFalse(runnable.done);
96		Thread.sleep(MEDIUM_DELAY_MS);
97		assertTrue(runnable.done);
98	<	one.shutdown();
98	>	h.cancel(true);
99	>	p1.shutdown();
100	>	joinPool(p1);
101		} catch(Exception e){
102	<	fail("unexpected exception");
102	>	unexpectedException();
103		}
104		}
153	–
154	–
155	–	// exception tests
105
106		/**
107	<	*  Test to verify schedule(Runnable, long) throws RejectedExecutionException
159	<	*  This occurs on an attempt to schedule a task on a shutdown executor
107	>	* scheduleWithFixedDelay executes runnable after given initial delay
108		*/
109	<	public void testSchedule1_RejectedExecutionException(){
110	<	try{
111	<	ScheduledExecutor se = new ScheduledExecutor(1);
112	<	se.shutdown();
113	<	se.schedule(new Runnable(){
114	<	public void run(){}
115	<	}, 10000, TimeUnit.MILLISECONDS);
116	<	fail("shoud throw");
117	<	}catch(RejectedExecutionException e){}
109	>	public void testSchedule5() {
110	>	try {
111	>	TrackedRunnable runnable = new TrackedRunnable();
112	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
113	>	ScheduledCancellable h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
114	>	assertFalse(runnable.done);
115	>	Thread.sleep(MEDIUM_DELAY_MS);
116	>	assertTrue(runnable.done);
117	>	h.cancel(true);
118	>	p1.shutdown();
119	>	joinPool(p1);
120	>	} catch(Exception e){
121	>	unexpectedException();
122	>	}
123		}
124	<
124	>
125		/**
126	<	*  Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException
174	<	*  This occurs on an attempt to schedule a task on a shutdown executor
126	>	*  execute (null) throws NPE
127		*/
128	<	public void testSchedule2_RejectedExecutionException(){
129	<	try{
130	<	ScheduledExecutor se = new ScheduledExecutor(1);
131	<	se.shutdown();
132	<	se.schedule(new Callable(){
133	<	public Object call(){
134	<	return Boolean.TRUE;
135	<	}
136	<	}, (long)100, TimeUnit.SECONDS);
137	<	fail("should throw");
138	<	}catch(RejectedExecutionException e){}
128	>	public void testExecuteNull() {
129	>	ScheduledExecutor se = null;
130	>	try {
131	>	se = new ScheduledExecutor(1);
132	>	se.execute(null);
133	>	shouldThrow();
134	>	} catch(NullPointerException success){}
135	>	catch(Exception e){
136	>	unexpectedException();
137	>	}
138	>
139	>	joinPool(se);
140		}
141
142		/**
143	<	*  Test to verify schedule(Callable, long) throws RejectedExecutionException
144	<	*  This occurs on an attempt to schedule a task on a shutdown executor
145	<	*/
146	<	public void testSchedule3_RejectedExecutionException(){
147	<	try{
148	<	ScheduledExecutor se = new ScheduledExecutor(1);
149	<	se.shutdown();
150	<	se.schedule(new Callable(){
151	<	public Object call(){
152	<	return Boolean.TRUE;
153	<	}
154	<	},  10000, TimeUnit.MILLISECONDS);
155	<	fail("should throw");
203	<	}catch(RejectedExecutionException e){}
143	>	* schedule (null) throws NPE
144	>	*/
145	>	public void testScheduleNull() {
146	>	ScheduledExecutor se = new ScheduledExecutor(1);
147	>	try {
148	>	TrackedCallable callable = null;
149	>	Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
150	>	shouldThrow();
151	>	} catch(NullPointerException success){}
152	>	catch(Exception e){
153	>	unexpectedException();
154	>	}
155	>	joinPool(se);
156		}
157	<
157	>
158		/**
159	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
160	<	*  RejectedExecutionException.
161	<	*  This occurs on an attempt to schedule a task on a shutdown executor
162	<	*/
163	<	public void testScheduleAtFixedRate1_RejectedExecutionException(){
212	<	try{
213	<	ScheduledExecutor se = new ScheduledExecutor(1);
159	>	* execute throws RejectedExecutionException if shutdown
160	>	*/
161	>	public void testSchedule1_RejectedExecutionException() {
162	>	ScheduledExecutor se = new ScheduledExecutor(1);
163	>	try {
164		se.shutdown();
165	<	se.scheduleAtFixedRate(new Runnable(){
166	<	public void run(){}
167	<	}, 100, 100, TimeUnit.SECONDS);
168	<	fail("should throw");
169	<	}catch(RejectedExecutionException e){}
165	>	se.schedule(new NoOpRunnable(),
166	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
167	>	shouldThrow();
168	>	} catch(RejectedExecutionException success){
169	>	}
170	>	joinPool(se);
171	>
172		}
173	<
173	>
174		/**
175	<	*  Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws
176	<	*  RejectedExecutionException.
177	<	*  This occurs on an attempt to schedule a task on a shutdown executor
178	<	*/
179	<	public void testScheduleAtFixedRate2_RejectedExecutionException(){
228	<	try{
229	<	ScheduledExecutor se = new ScheduledExecutor(1);
175	>	* schedule throws RejectedExecutionException if shutdown
176	>	*/
177	>	public void testSchedule2_RejectedExecutionException() {
178	>	ScheduledExecutor se = new ScheduledExecutor(1);
179	>	try {
180		se.shutdown();
181	<	se.scheduleAtFixedRate(new Runnable(){
182	<	public void run(){}
183	<	},  1, 100, TimeUnit.SECONDS);
184	<	fail("should throw");
185	<	}catch(RejectedExecutionException e){}
181	>	se.schedule(new NoOpCallable(),
182	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
183	>	shouldThrow();
184	>	} catch(RejectedExecutionException success){
185	>	}
186	>	joinPool(se);
187		}
188
189		/**
190	<	*  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
190	>	* schedule callable throws RejectedExecutionException if shutdown
191		*/
192	<	public void testScheduleWithFixedDelay1_RejectedExecutionException(){
193	<	try{
194	<	ScheduledExecutor se = new ScheduledExecutor(1);
192	>	public void testSchedule3_RejectedExecutionException() {
193	>	ScheduledExecutor se = new ScheduledExecutor(1);
194	>	try {
195		se.shutdown();
196	<	se.scheduleWithFixedDelay(new Runnable(){
197	<	public void run(){}
198	<	}, 100, 100, TimeUnit.SECONDS);
199	<	fail("should throw");
200	<	}catch(RejectedExecutionException e){}
196	>	se.schedule(new NoOpCallable(),
197	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
198	>	shouldThrow();
199	>	} catch(RejectedExecutionException success){
200	>	}
201	>	joinPool(se);
202		}
203
204		/**
205	<	*  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
205	>	*  scheduleAtFixedRate throws RejectedExecutionException if shutdown
206		*/
207	<	public void testScheduleWithFixedDelay2_RejectedExecutionException(){
208	<	try{
209	<	ScheduledExecutor se = new ScheduledExecutor(1);
207	>	public void testScheduleAtFixedRate1_RejectedExecutionException() {
208	>	ScheduledExecutor se = new ScheduledExecutor(1);
209	>	try {
210		se.shutdown();
211	<	se.scheduleWithFixedDelay(new Runnable(){
212	<	public void run(){}
213	<	},  1, 100, TimeUnit.SECONDS);
214	<	fail("should throw");
215	<	}catch(RejectedExecutionException e){}
211	>	se.scheduleAtFixedRate(new NoOpRunnable(),
212	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
213	>	shouldThrow();
214	>	} catch(RejectedExecutionException success){
215	>	}
216	>	joinPool(se);
217		}
218	<
218	>
219		/**
220	<	*  Test to verify execute throws RejectedExecutionException
272	<	*  This occurs on an attempt to schedule a task on a shutdown executor
220	>	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
221		*/
222	<	public void testExecute_RejectedExecutionException(){
223	<	try{
224	<	ScheduledExecutor se = new ScheduledExecutor(1);
222	>	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
223	>	ScheduledExecutor se = new ScheduledExecutor(1);
224	>	try {
225		se.shutdown();
226	<	se.execute(new Runnable(){
227	<	public void run(){}
228	<	});
229	<	fail("should throw");
230	<	}catch(RejectedExecutionException e){}
226	>	se.scheduleWithFixedDelay(new NoOpRunnable(),
227	>	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
228	>	shouldThrow();
229	>	} catch(RejectedExecutionException success){
230	>	}
231	>	joinPool(se);
232		}
233
285	–
286	–
234		/**
235	<	*  Test to verify getActiveCount gives correct values
236	<	*/
237	<	public void testGetActiveCount(){
238	<	ScheduledExecutor two = new ScheduledExecutor(2);
235	>	*  getActiveCount increases but doesn't overestimate, when a
236	>	*  thread becomes active
237	>	*/
238	>	public void testGetActiveCount() {
239	>	ScheduledExecutor p2 = new ScheduledExecutor(2);
240	>	assertEquals(0, p2.getActiveCount());
241	>	p2.execute(new SmallRunnable());
242		try {
243	<	assertEquals(0, two.getActiveCount());
244	<	two.execute(newRunnable());
245	<	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();
243	>	Thread.sleep(SHORT_DELAY_MS);
244	>	} catch(Exception e){
245	>	unexpectedException();
246		}
247	+	assertEquals(1, p2.getActiveCount());
248	+	joinPool(p2);
249		}
250
251		/**
252	<	*  Test to verify getCompleteTaskCount gives correct values
252	>	*    getCompletedTaskCount increases, but doesn't overestimate,
253	>	*   when tasks complete
254		*/
255	<	public void testGetCompletedTaskCount(){
256	<	ScheduledExecutor two = new ScheduledExecutor(2);
255	>	public void testGetCompletedTaskCount() {
256	>	ScheduledExecutor p2 = new ScheduledExecutor(2);
257	>	assertEquals(0, p2.getCompletedTaskCount());
258	>	p2.execute(new SmallRunnable());
259		try {
260	<	assertEquals(0, two.getCompletedTaskCount());
261	<	two.execute(newRunnable());
262	<	try{
315	<	Thread.sleep(MEDIUM_DELAY_MS);
316	<	} catch(Exception e){
317	<	fail("unexpected exception");
318	<	}
319	<	assertEquals(1, two.getCompletedTaskCount());
320	<	} finally {
321	<	two.shutdown();
260	>	Thread.sleep(MEDIUM_DELAY_MS);
261	>	} catch(Exception e){
262	>	unexpectedException();
263		}
264	+	assertEquals(1, p2.getCompletedTaskCount());
265	+	joinPool(p2);
266		}
267
268		/**
269	<	*  Test to verify getCorePoolSize gives correct values
269	>	*  getCorePoolSize returns size given in constructor if not otherwise set
270		*/
271	<	public void testGetCorePoolSize(){
272	<	ScheduledExecutor one = new ScheduledExecutor(1);
273	<	try {
274	<	assertEquals(1, one.getCorePoolSize());
332	<	} finally {
333	<	one.shutdown();
334	<	}
271	>	public void testGetCorePoolSize() {
272	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
273	>	assertEquals(1, p1.getCorePoolSize());
274	>	joinPool(p1);
275		}
276
277		/**
278	<	*  Test to verify getLargestPoolSize gives correct values
278	>	*    getLargestPoolSize increases, but doesn't overestimate, when
279	>	*   multiple threads active
280		*/
281	<	public void testGetLargestPoolSize(){
282	<	ScheduledExecutor two = new ScheduledExecutor(2);
281	>	public void testGetLargestPoolSize() {
282	>	ScheduledExecutor p2 = new ScheduledExecutor(2);
283	>	assertEquals(0, p2.getLargestPoolSize());
284	>	p2.execute(new SmallRunnable());
285	>	p2.execute(new SmallRunnable());
286		try {
287	<	assertEquals(0, two.getLargestPoolSize());
288	<	two.execute(newRunnable());
289	<	two.execute(newRunnable());
346	<	try{
347	<	Thread.sleep(SHORT_DELAY_MS);
348	<	} catch(Exception e){
349	<	fail("unexpected exception");
350	<	}
351	<	assertEquals(2, two.getLargestPoolSize());
352	<	} finally {
353	<	two.shutdown();
287	>	Thread.sleep(SHORT_DELAY_MS);
288	>	} catch(Exception e){
289	>	unexpectedException();
290		}
291	+	assertEquals(2, p2.getLargestPoolSize());
292	+	joinPool(p2);
293		}
294
295		/**
296	<	*  Test to verify getPoolSize gives correct values
296	>	*   getPoolSize increases, but doesn't overestimate, when threads
297	>	*   become active
298		*/
299	<	public void testGetPoolSize(){
300	<	ScheduledExecutor one = new ScheduledExecutor(1);
301	<	try {
302	<	assertEquals(0, one.getPoolSize());
303	<	one.execute(newRunnable());
304	<	assertEquals(1, one.getPoolSize());
366	<	} finally {
367	<	one.shutdown();
368	<	}
299	>	public void testGetPoolSize() {
300	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
301	>	assertEquals(0, p1.getPoolSize());
302	>	p1.execute(new SmallRunnable());
303	>	assertEquals(1, p1.getPoolSize());
304	>	joinPool(p1);
305		}
306
307		/**
308	<	*  Test to verify getTaskCount gives correct values
308	>	*    getTaskCount increases, but doesn't overestimate, when tasks
309	>	*    submitted
310		*/
311	<	public void testGetTaskCount(){
312	<	ScheduledExecutor one = new ScheduledExecutor(1);
311	>	public void testGetTaskCount() {
312	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
313	>	assertEquals(0, p1.getTaskCount());
314	>	for(int i = 0; i < 5; i++)
315	>	p1.execute(new SmallRunnable());
316		try {
317	<	assertEquals(0, one.getTaskCount());
318	<	for(int i = 0; i < 5; i++)
319	<	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());
386	<	} finally {
387	<	one.shutdown();
317	>	Thread.sleep(SHORT_DELAY_MS);
318	>	} catch(Exception e){
319	>	unexpectedException();
320		}
321	+	assertEquals(5, p1.getTaskCount());
322	+	joinPool(p1);
323		}
324
325		/**
326	<	*  Test to verify isShutDown gives correct values
326	>	*   is isShutDown is false before shutdown, true after
327		*/
328	<	public void testIsShutdown(){
328	>	public void testIsShutdown() {
329
330	<	ScheduledExecutor one = new ScheduledExecutor(1);
330	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
331		try {
332	<	assertFalse(one.isShutdown());
332	>	assertFalse(p1.isShutdown());
333		}
334		finally {
335	<	one.shutdown();
335	>	p1.shutdown();
336		}
337	<	assertTrue(one.isShutdown());
337	>	assertTrue(p1.isShutdown());
338		}
339
340
341		/**
342	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
342	>	*   isTerminated is false before termination, true after
343		*/
344	<	public void testIsTerminated(){
345	<	ScheduledExecutor one = new ScheduledExecutor(1);
344	>	public void testIsTerminated() {
345	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
346		try {
347	<	one.execute(newRunnable());
347	>	p1.execute(new SmallRunnable());
348		} finally {
349	<	one.shutdown();
349	>	p1.shutdown();
350		}
351	<	boolean flag = false;
352	<	try{
353	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
351	>	try {
352	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
353	>	assertTrue(p1.isTerminated());
354		} catch(Exception e){
355	<	fail("unexpected exception");
355	>	unexpectedException();
356		}
425	–	assertTrue(one.isTerminated());
426	–	if(!flag)
427	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
357		}
358
359		/**
360	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
360	>	*  isTerminating is not true when running or when terminated
361		*/
362	<	public void testPurge(){
363	<	ScheduledExecutor one = new ScheduledExecutor(1);
362	>	public void testIsTerminating() {
363	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
364	>	assertFalse(p1.isTerminating());
365		try {
366	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
367	<	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);
366	>	p1.execute(new SmallRunnable());
367	>	assertFalse(p1.isTerminating());
368		} finally {
369	<	one.shutdown();
369	>	p1.shutdown();
370		}
371	+	try {
372	+	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
373	+	assertTrue(p1.isTerminated());
374	+	assertFalse(p1.isTerminating());
375	+	} catch(Exception e){
376	+	unexpectedException();
377	+	}
378		}
379
380		/**
381	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
381	>	*   purge removes cancelled tasks from the queue
382		*/
383	<	public void testShutDownNow(){
384	<	ScheduledExecutor one = new ScheduledExecutor(1);
383	>	public void testPurge() {
384	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
385	>	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
386	>	for(int i = 0; i < 5; i++){
387	>	tasks[i] = p1.schedule(new SmallRunnable(), 1, TimeUnit.MILLISECONDS);
388	>	}
389	>	int max = 5;
390	>	if (tasks[4].cancel(true)) --max;
391	>	if (tasks[3].cancel(true)) --max;
392	>	p1.purge();
393	>	long count = p1.getTaskCount();
394	>	assertTrue(count > 0 && count <= max);
395	>	joinPool(p1);
396	>	}
397	>
398	>	/**
399	>	*  shutDownNow returns a list containing tasks that were not run
400	>	*/
401	>	public void testShutDownNow() {
402	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
403		for(int i = 0; i < 5; i++)
404	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
405	<	List l = one.shutdownNow();
406	<	assertTrue(one.isShutdown());
404	>	p1.schedule(new SmallRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
405	>	List l = p1.shutdownNow();
406	>	assertTrue(p1.isShutdown());
407		assertTrue(l.size() > 0 && l.size() <= 5);
408	+	joinPool(p1);
409		}
410
411	<	public void testShutDown1(){
411	>	/**
412	>	* In default setting, shutdown cancels periodic but not delayed
413	>	* tasks at shutdown
414	>	*/
415	>	public void testShutDown1() {
416		try {
417	<	ScheduledExecutor one = new ScheduledExecutor(1);
418	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
419	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
417	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
418	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
419	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
420
421		ScheduledCancellable[] tasks = new ScheduledCancellable[5];
422		for(int i = 0; i < 5; i++)
423	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
424	<	one.shutdown();
425	<	BlockingQueue q = one.getQueue();
423	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
424	>	p1.shutdown();
425	>	BlockingQueue q = p1.getQueue();
426		for (Iterator it = q.iterator(); it.hasNext();) {
427		ScheduledCancellable t = (ScheduledCancellable)it.next();
428		assertFalse(t.isCancelled());
429		}
430	<	assertTrue(one.isShutdown());
431	<	Thread.sleep(SHORT_DELAY_MS);
430	>	assertTrue(p1.isShutdown());
431	>	Thread.sleep(SMALL_DELAY_MS);
432		for (int i = 0; i < 5; ++i) {
433		assertTrue(tasks[i].isDone());
434		assertFalse(tasks[i].isCancelled());
#	Line 486 | Line 436 | public class ScheduledExecutorTest exten
436
437		}
438		catch(Exception ex) {
439	<	fail("unexpected exception");
439	>	unexpectedException();
440		}
441		}
442
443
444	<	public void testShutDown2(){
444	>	/**
445	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
446	>	* delayed tasks are cancelled at shutdown
447	>	*/
448	>	public void testShutDown2() {
449		try {
450	<	ScheduledExecutor one = new ScheduledExecutor(1);
451	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
450	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
451	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
452		ScheduledCancellable[] tasks = new ScheduledCancellable[5];
453		for(int i = 0; i < 5; i++)
454	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
455	<	one.shutdown();
456	<	assertTrue(one.isShutdown());
457	<	BlockingQueue q = one.getQueue();
454	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
455	>	p1.shutdown();
456	>	assertTrue(p1.isShutdown());
457	>	BlockingQueue q = p1.getQueue();
458		assertTrue(q.isEmpty());
459	<	Thread.sleep(SHORT_DELAY_MS);
460	<	assertTrue(one.isTerminated());
459	>	Thread.sleep(SMALL_DELAY_MS);
460	>	assertTrue(p1.isTerminated());
461		}
462		catch(Exception ex) {
463	<	fail("unexpected exception");
463	>	unexpectedException();
464		}
465		}
466
467
468	<	public void testShutDown3(){
468	>	/**
469	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
470	>	* periodic tasks are not cancelled at shutdown
471	>	*/
472	>	public void testShutDown3() {
473		try {
474	<	ScheduledExecutor one = new ScheduledExecutor(1);
475	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
474	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
475	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
476		ScheduledCancellable task =
477	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
478	<	one.shutdown();
479	<	assertTrue(one.isShutdown());
480	<	BlockingQueue q = one.getQueue();
477	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
478	>	p1.shutdown();
479	>	assertTrue(p1.isShutdown());
480	>	BlockingQueue q = p1.getQueue();
481		assertTrue(q.isEmpty());
482		Thread.sleep(SHORT_DELAY_MS);
483	<	assertTrue(one.isTerminated());
483	>	assertTrue(p1.isTerminated());
484		}
485		catch(Exception ex) {
486	<	fail("unexpected exception");
486	>	unexpectedException();
487		}
488		}
489
490	<	public void testShutDown4(){
491	<	ScheduledExecutor one = new ScheduledExecutor(1);
490	>	/**
491	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
492	>	* periodic tasks are cancelled at shutdown
493	>	*/
494	>	public void testShutDown4() {
495	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
496		try {
497	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
497	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
498		ScheduledCancellable task =
499	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
499	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
500		assertFalse(task.isCancelled());
501	<	one.shutdown();
501	>	p1.shutdown();
502		assertFalse(task.isCancelled());
503	<	assertFalse(one.isTerminated());
504	<	assertTrue(one.isShutdown());
503	>	assertFalse(p1.isTerminated());
504	>	assertTrue(p1.isShutdown());
505		Thread.sleep(SHORT_DELAY_MS);
506		assertFalse(task.isCancelled());
507		task.cancel(true);
508		assertTrue(task.isCancelled());
509		Thread.sleep(SHORT_DELAY_MS);
510	<	assertTrue(one.isTerminated());
510	>	assertTrue(p1.isTerminated());
511		}
512		catch(Exception ex) {
513	<	fail("unexpected exception");
513	>	unexpectedException();
514		}
515		finally {
516	<	one.shutdownNow();
516	>	p1.shutdownNow();
517		}
518		}
519

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