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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 1.8 by dl, Sun Oct 5 23:00:40 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	>	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	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
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	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
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	>	TrackedShortRunnable runnable = new TrackedShortRunnable();
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());
320	<	try{
321	<	Thread.sleep(SHORT_DELAY_MS);
322	<	} catch(Exception e){
323	<	fail("unexpected exception");
324	<	}
325	<	assertEquals(5, one.getTaskCount());
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	>	* getThreadFactory returns factory in constructor if not set
327	>	*/
328	>	public void testGetThreadFactory() {
329	>	ThreadFactory tf = new SimpleThreadFactory();
330	>	ScheduledExecutor p = new ScheduledExecutor(1, tf);
331	>	assertSame(tf, p.getThreadFactory());
332	>	p.shutdown();
333	>	joinPool(p);
334	>	}
335	>
336	>	/**
337	>	* setThreadFactory sets the thread factory returned by getThreadFactory
338	>	*/
339	>	public void testSetThreadFactory() {
340	>	ThreadFactory tf = new SimpleThreadFactory();
341	>	ScheduledExecutor p = new ScheduledExecutor(1);
342	>	p.setThreadFactory(tf);
343	>	assertSame(tf, p.getThreadFactory());
344	>	p.shutdown();
345	>	joinPool(p);
346	>	}
347	>
348	>	/**
349	>	* setThreadFactory(null) throws NPE
350	>	*/
351	>	public void testSetThreadFactoryNull() {
352	>	ScheduledExecutor p = new ScheduledExecutor(1);
353	>	try {
354	>	p.setThreadFactory(null);
355	>	shouldThrow();
356	>	} catch (NullPointerException success) {
357		} finally {
358	<	one.shutdown();
358	>	joinPool(p);
359		}
360		}
361
362		/**
363	<	*  Test to verify isShutDown gives correct values
363	>	*   is isShutDown is false before shutdown, true after
364		*/
365	<	public void testIsShutdown(){
365	>	public void testIsShutdown() {
366
367	<	ScheduledExecutor one = new ScheduledExecutor(1);
367	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
368		try {
369	<	assertFalse(one.isShutdown());
369	>	assertFalse(p1.isShutdown());
370		}
371		finally {
372	<	one.shutdown();
372	>	p1.shutdown();
373		}
374	<	assertTrue(one.isShutdown());
374	>	assertTrue(p1.isShutdown());
375		}
376
377
378		/**
379	<	*  Test to verify isTerminated gives correct values
409	<	*  Makes sure termination does not take an innapropriate
410	<	*  amount of time
379	>	*   isTerminated is false before termination, true after
380		*/
381	<	public void testIsTerminated(){
382	<	ScheduledExecutor one = new ScheduledExecutor(1);
381	>	public void testIsTerminated() {
382	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
383		try {
384	<	one.execute(newRunnable());
384	>	p1.execute(new SmallRunnable());
385		} finally {
386	<	one.shutdown();
386	>	p1.shutdown();
387		}
388	<	boolean flag = false;
389	<	try{
390	<	flag = one.awaitTermination(10, TimeUnit.SECONDS);
388	>	try {
389	>	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
390	>	assertTrue(p1.isTerminated());
391		} catch(Exception e){
392	<	fail("unexpected exception");
392	>	unexpectedException();
393		}
425	–	assertTrue(one.isTerminated());
426	–	if(!flag)
427	–	fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
394		}
395
396		/**
397	<	*  Test to verify that purge correctly removes cancelled tasks
432	<	*  from the queue
397	>	*  isTerminating is not true when running or when terminated
398		*/
399	<	public void testPurge(){
400	<	ScheduledExecutor one = new ScheduledExecutor(1);
399	>	public void testIsTerminating() {
400	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
401	>	assertFalse(p1.isTerminating());
402		try {
403	<	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
404	<	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);
403	>	p1.execute(new SmallRunnable());
404	>	assertFalse(p1.isTerminating());
405		} finally {
406	<	one.shutdown();
406	>	p1.shutdown();
407		}
408	+	try {
409	+	assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
410	+	assertTrue(p1.isTerminated());
411	+	assertFalse(p1.isTerminating());
412	+	} catch(Exception e){
413	+	unexpectedException();
414	+	}
415		}
416
417		/**
418	<	*  Test to verify shutDownNow returns a list
454	<	*  containing the correct number of elements
418	>	* getQueue returns the work queue, which contains queued tasks
419		*/
420	<	public void testShutDownNow(){
421	<	ScheduledExecutor one = new ScheduledExecutor(1);
420	>	public void testGetQueue() {
421	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
422	>	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
423	>	for(int i = 0; i < 5; i++){
424	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
425	>	}
426	>	try {
427	>	Thread.sleep(SHORT_DELAY_MS);
428	>	BlockingQueue<Runnable> q = p1.getQueue();
429	>	assertTrue(q.contains(tasks[4]));
430	>	assertFalse(q.contains(tasks[0]));
431	>	p1.shutdownNow();
432	>	} catch(Exception e) {
433	>	unexpectedException();
434	>	} finally {
435	>	joinPool(p1);
436	>	}
437	>	}
438	>
439	>	/**
440	>	* remove(task) removes queued task, and fails to remove active task
441	>	*/
442	>	public void testRemove() {
443	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
444	>	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
445	>	for(int i = 0; i < 5; i++){
446	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
447	>	}
448	>	try {
449	>	Thread.sleep(SHORT_DELAY_MS);
450	>	BlockingQueue<Runnable> q = p1.getQueue();
451	>	assertFalse(p1.remove((Runnable)tasks[0]));
452	>	assertTrue(q.contains((Runnable)tasks[4]));
453	>	assertTrue(q.contains((Runnable)tasks[3]));
454	>	assertTrue(p1.remove((Runnable)tasks[4]));
455	>	assertFalse(p1.remove((Runnable)tasks[4]));
456	>	assertFalse(q.contains((Runnable)tasks[4]));
457	>	assertTrue(q.contains((Runnable)tasks[3]));
458	>	assertTrue(p1.remove((Runnable)tasks[3]));
459	>	assertFalse(q.contains((Runnable)tasks[3]));
460	>	p1.shutdownNow();
461	>	} catch(Exception e) {
462	>	unexpectedException();
463	>	} finally {
464	>	joinPool(p1);
465	>	}
466	>	}
467	>
468	>	/**
469	>	*  purge removes cancelled tasks from the queue
470	>	*/
471	>	public void testPurge() {
472	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
473	>	ScheduledCancellable[] tasks = new ScheduledCancellable[5];
474	>	for(int i = 0; i < 5; i++){
475	>	tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS);
476	>	}
477	>	int max = 5;
478	>	if (tasks[4].cancel(true)) --max;
479	>	if (tasks[3].cancel(true)) --max;
480	>	p1.purge();
481	>	long count = p1.getTaskCount();
482	>	assertTrue(count > 0 && count <= max);
483	>	joinPool(p1);
484	>	}
485	>
486	>	/**
487	>	*  shutDownNow returns a list containing tasks that were not run
488	>	*/
489	>	public void testShutDownNow() {
490	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
491		for(int i = 0; i < 5; i++)
492	<	one.schedule(newRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
493	<	List l = one.shutdownNow();
494	<	assertTrue(one.isShutdown());
492	>	p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
493	>	List l = p1.shutdownNow();
494	>	assertTrue(p1.isShutdown());
495		assertTrue(l.size() > 0 && l.size() <= 5);
496	+	joinPool(p1);
497		}
498
499	<	public void testShutDown1(){
499	>	/**
500	>	* In default setting, shutdown cancels periodic but not delayed
501	>	* tasks at shutdown
502	>	*/
503	>	public void testShutDown1() {
504		try {
505	<	ScheduledExecutor one = new ScheduledExecutor(1);
506	<	assertTrue(one.getExecuteExistingDelayedTasksAfterShutdownPolicy());
507	<	assertFalse(one.getContinueExistingPeriodicTasksAfterShutdownPolicy());
505	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
506	>	assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy());
507	>	assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy());
508
509		ScheduledCancellable[] tasks = new ScheduledCancellable[5];
510		for(int i = 0; i < 5; i++)
511	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
512	<	one.shutdown();
513	<	BlockingQueue q = one.getQueue();
511	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
512	>	p1.shutdown();
513	>	BlockingQueue q = p1.getQueue();
514		for (Iterator it = q.iterator(); it.hasNext();) {
515		ScheduledCancellable t = (ScheduledCancellable)it.next();
516		assertFalse(t.isCancelled());
517		}
518	<	assertTrue(one.isShutdown());
519	<	Thread.sleep(SHORT_DELAY_MS);
518	>	assertTrue(p1.isShutdown());
519	>	Thread.sleep(SMALL_DELAY_MS);
520		for (int i = 0; i < 5; ++i) {
521		assertTrue(tasks[i].isDone());
522		assertFalse(tasks[i].isCancelled());
#	Line 486 | Line 524 | public class ScheduledExecutorTest exten
524
525		}
526		catch(Exception ex) {
527	<	fail("unexpected exception");
527	>	unexpectedException();
528		}
529		}
530
531
532	<	public void testShutDown2(){
532	>	/**
533	>	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
534	>	* delayed tasks are cancelled at shutdown
535	>	*/
536	>	public void testShutDown2() {
537		try {
538	<	ScheduledExecutor one = new ScheduledExecutor(1);
539	<	one.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
538	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
539	>	p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
540		ScheduledCancellable[] tasks = new ScheduledCancellable[5];
541		for(int i = 0; i < 5; i++)
542	<	tasks[i] = one.schedule(newNoopRunnable(), SHORT_DELAY_MS/2, TimeUnit.MILLISECONDS);
543	<	one.shutdown();
544	<	assertTrue(one.isShutdown());
545	<	BlockingQueue q = one.getQueue();
542	>	tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
543	>	p1.shutdown();
544	>	assertTrue(p1.isShutdown());
545	>	BlockingQueue q = p1.getQueue();
546		assertTrue(q.isEmpty());
547	<	Thread.sleep(SHORT_DELAY_MS);
548	<	assertTrue(one.isTerminated());
547	>	Thread.sleep(SMALL_DELAY_MS);
548	>	assertTrue(p1.isTerminated());
549		}
550		catch(Exception ex) {
551	<	fail("unexpected exception");
551	>	unexpectedException();
552		}
553		}
554
555
556	<	public void testShutDown3(){
556	>	/**
557	>	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
558	>	* periodic tasks are not cancelled at shutdown
559	>	*/
560	>	public void testShutDown3() {
561		try {
562	<	ScheduledExecutor one = new ScheduledExecutor(1);
563	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
562	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
563	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
564		ScheduledCancellable task =
565	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
566	<	one.shutdown();
567	<	assertTrue(one.isShutdown());
568	<	BlockingQueue q = one.getQueue();
565	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
566	>	p1.shutdown();
567	>	assertTrue(p1.isShutdown());
568	>	BlockingQueue q = p1.getQueue();
569		assertTrue(q.isEmpty());
570		Thread.sleep(SHORT_DELAY_MS);
571	<	assertTrue(one.isTerminated());
571	>	assertTrue(p1.isTerminated());
572		}
573		catch(Exception ex) {
574	<	fail("unexpected exception");
574	>	unexpectedException();
575		}
576		}
577
578	<	public void testShutDown4(){
579	<	ScheduledExecutor one = new ScheduledExecutor(1);
578	>	/**
579	>	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
580	>	* periodic tasks are cancelled at shutdown
581	>	*/
582	>	public void testShutDown4() {
583	>	ScheduledExecutor p1 = new ScheduledExecutor(1);
584		try {
585	<	one.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
585	>	p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
586		ScheduledCancellable task =
587	<	one.scheduleAtFixedRate(newNoopRunnable(), 5, 5, TimeUnit.MILLISECONDS);
587	>	p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS);
588		assertFalse(task.isCancelled());
589	<	one.shutdown();
589	>	p1.shutdown();
590		assertFalse(task.isCancelled());
591	<	assertFalse(one.isTerminated());
592	<	assertTrue(one.isShutdown());
591	>	assertFalse(p1.isTerminated());
592	>	assertTrue(p1.isShutdown());
593		Thread.sleep(SHORT_DELAY_MS);
594		assertFalse(task.isCancelled());
595		task.cancel(true);
596		assertTrue(task.isCancelled());
597		Thread.sleep(SHORT_DELAY_MS);
598	<	assertTrue(one.isTerminated());
598	>	assertTrue(p1.isTerminated());
599		}
600		catch(Exception ex) {
601	<	fail("unexpected exception");
601	>	unexpectedException();
602		}
603		finally {
604	<	one.shutdownNow();
604	>	p1.shutdownNow();
605		}
606		}
607

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