9 |
|
import java.util.*; |
10 |
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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(MEDIUM_DELAY_MS); |
35 |
– |
waiting = false; |
36 |
– |
done = true; |
37 |
– |
} catch(Exception e){} |
38 |
– |
} |
39 |
– |
} |
40 |
– |
|
41 |
– |
static class MyCallable implements Callable { |
42 |
– |
volatile boolean waiting = true; |
43 |
– |
volatile boolean done = false; |
44 |
– |
public Object call(){ |
45 |
– |
try{ |
46 |
– |
Thread.sleep(MEDIUM_DELAY_MS); |
47 |
– |
waiting = false; |
48 |
– |
done = true; |
49 |
– |
}catch(Exception e){} |
50 |
– |
return Boolean.TRUE; |
51 |
– |
} |
52 |
– |
} |
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(100); |
30 |
< |
assertTrue(runnable.waiting); |
31 |
< |
one.shutdown(); |
32 |
< |
// make sure the Runnable has time to complete |
33 |
< |
try{Thread.sleep(1010);}catch(InterruptedException e){} |
34 |
< |
assertFalse(runnable.waiting); |
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 |
> |
unexpectedException(); |
36 |
> |
} |
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. |
78 |
< |
* The waiting flag shows that the Callable is not started until |
79 |
< |
* 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, 500, TimeUnit.MILLISECONDS); |
56 |
< |
// Thread.sleep(505); |
57 |
< |
assertTrue(callable.waiting); |
88 |
< |
Thread.sleep(2000); |
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){} |
62 |
< |
catch(Exception e){} |
60 |
> |
p1.shutdown(); |
61 |
> |
joinPool(p1); |
62 |
> |
} catch(RejectedExecutionException e){} |
63 |
> |
catch(Exception e){ |
64 |
> |
unexpectedException(); |
65 |
> |
} |
66 |
|
} |
67 |
|
|
68 |
|
/** |
69 |
< |
* Another version of schedule, only using Runnable instead of Callable |
70 |
< |
*/ |
71 |
< |
public void testSchedule3(){ |
72 |
< |
try{ |
73 |
< |
MyRunnable runnable = new MyRunnable(); |
74 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
75 |
< |
one.schedule(runnable, 500, TimeUnit.MILLISECONDS); |
76 |
< |
Thread.sleep(50); |
77 |
< |
assertTrue(runnable.waiting); |
78 |
< |
Thread.sleep(2000); |
69 |
> |
* delayed schedule of runnable successfully executes after delay |
70 |
> |
*/ |
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 |
> |
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 |
> |
h.cancel(true); |
99 |
> |
p1.shutdown(); |
100 |
> |
joinPool(p1); |
101 |
> |
} catch(Exception e){ |
102 |
> |
unexpectedException(); |
103 |
> |
} |
104 |
> |
} |
105 |
> |
|
106 |
> |
/** |
107 |
> |
* scheduleWithFixedDelay executes runnable after given initial delay |
108 |
|
*/ |
109 |
< |
public void testSchedule4(){ |
110 |
< |
try{ |
111 |
< |
MyRunnable runnable = new MyRunnable(); |
112 |
< |
ScheduledExecutor one = new ScheduledExecutor(1); |
113 |
< |
one.schedule(runnable, 500, TimeUnit.MILLISECONDS); |
114 |
< |
// Thread.sleep(505); |
115 |
< |
assertTrue(runnable.waiting); |
124 |
< |
Thread.sleep(2000); |
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 |
< |
one.shutdown(); |
117 |
> |
h.cancel(true); |
118 |
> |
p1.shutdown(); |
119 |
> |
joinPool(p1); |
120 |
|
} catch(Exception e){ |
121 |
< |
fail("unexpected exception"); |
121 |
> |
unexpectedException(); |
122 |
|
} |
123 |
|
} |
124 |
|
|
125 |
< |
|
126 |
< |
// exception tests |
125 |
> |
/** |
126 |
> |
* execute (null) throws NPE |
127 |
> |
*/ |
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(Runnable, long) throws RejectedExecutionException |
144 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
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 |
> |
|
158 |
> |
/** |
159 |
> |
* execute throws RejectedExecutionException if shutdown |
160 |
|
*/ |
161 |
< |
public void testSchedule1_RejectedExecutionException(){ |
162 |
< |
try{ |
163 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
161 |
> |
public void testSchedule1_RejectedExecutionException() { |
162 |
> |
ScheduledExecutor se = new ScheduledExecutor(1); |
163 |
> |
try { |
164 |
|
se.shutdown(); |
165 |
< |
se.schedule(new Runnable(){ |
166 |
< |
public void run(){} |
167 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
168 |
< |
fail("shoud 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 |
|
|
174 |
|
/** |
175 |
< |
* Test to verify schedule(Callable, long, TimeUnit) throws RejectedExecutionException |
152 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
175 |
> |
* schedule throws RejectedExecutionException if shutdown |
176 |
|
*/ |
177 |
< |
public void testSchedule2_RejectedExecutionException(){ |
178 |
< |
try{ |
179 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
177 |
> |
public void testSchedule2_RejectedExecutionException() { |
178 |
> |
ScheduledExecutor se = new ScheduledExecutor(1); |
179 |
> |
try { |
180 |
|
se.shutdown(); |
181 |
< |
se.schedule(new Callable(){ |
182 |
< |
public Object call(){ |
183 |
< |
return Boolean.TRUE; |
184 |
< |
} |
185 |
< |
}, (long)100, TimeUnit.SECONDS); |
186 |
< |
fail("should throw"); |
164 |
< |
}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 schedule(Callable, long) throws RejectedExecutionException |
191 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
192 |
< |
*/ |
193 |
< |
public void testSchedule3_RejectedExecutionException(){ |
194 |
< |
try{ |
173 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
190 |
> |
* schedule callable throws RejectedExecutionException if shutdown |
191 |
> |
*/ |
192 |
> |
public void testSchedule3_RejectedExecutionException() { |
193 |
> |
ScheduledExecutor se = new ScheduledExecutor(1); |
194 |
> |
try { |
195 |
|
se.shutdown(); |
196 |
< |
se.schedule(new Callable(){ |
197 |
< |
public Object call(){ |
198 |
< |
return Boolean.TRUE; |
199 |
< |
} |
200 |
< |
}, 10000, TimeUnit.MILLISECONDS); |
201 |
< |
fail("should throw"); |
181 |
< |
}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 scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
206 |
< |
* RejectedExecutionException. |
207 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
208 |
< |
*/ |
209 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException(){ |
190 |
< |
try{ |
191 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
205 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
206 |
> |
*/ |
207 |
> |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
208 |
> |
ScheduledExecutor se = new ScheduledExecutor(1); |
209 |
> |
try { |
210 |
|
se.shutdown(); |
211 |
< |
se.scheduleAtFixedRate(new Runnable(){ |
212 |
< |
public void run(){} |
213 |
< |
}, 100, 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 |
|
|
219 |
|
/** |
220 |
< |
* Test to verify scheduleAtFixedRate(Runnable, long, long, TimeUnit) throws |
202 |
< |
* RejectedExecutionException. |
203 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
220 |
> |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
221 |
|
*/ |
222 |
< |
public void testScheduleAtFixedRate2_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.scheduleAtFixedRate(new Runnable(){ |
227 |
< |
public void run(){} |
228 |
< |
}, 1, 100, TimeUnit.SECONDS); |
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 |
|
|
234 |
|
/** |
235 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
236 |
< |
* RejectedExecutionException. |
237 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
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 |
> |
Thread.sleep(SHORT_DELAY_MS); |
244 |
> |
} catch(Exception e){ |
245 |
> |
unexpectedException(); |
246 |
> |
} |
247 |
> |
assertEquals(1, p2.getActiveCount()); |
248 |
> |
joinPool(p2); |
249 |
> |
} |
250 |
> |
|
251 |
> |
/** |
252 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
253 |
> |
* when tasks complete |
254 |
|
*/ |
255 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException(){ |
256 |
< |
try{ |
257 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
258 |
< |
se.shutdown(); |
259 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
260 |
< |
public void run(){} |
261 |
< |
}, 100, 100, TimeUnit.SECONDS); |
262 |
< |
fail("should throw"); |
263 |
< |
}catch(RejectedExecutionException e){} |
255 |
> |
public void testGetCompletedTaskCount() { |
256 |
> |
ScheduledExecutor p2 = new ScheduledExecutor(2); |
257 |
> |
assertEquals(0, p2.getCompletedTaskCount()); |
258 |
> |
p2.execute(new SmallRunnable()); |
259 |
> |
try { |
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 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
270 |
> |
*/ |
271 |
> |
public void testGetCorePoolSize() { |
272 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
273 |
> |
assertEquals(1, p1.getCorePoolSize()); |
274 |
> |
joinPool(p1); |
275 |
> |
} |
276 |
> |
|
277 |
> |
/** |
278 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
279 |
> |
* multiple threads active |
280 |
> |
*/ |
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 |
> |
Thread.sleep(SHORT_DELAY_MS); |
288 |
> |
} catch(Exception e){ |
289 |
> |
unexpectedException(); |
290 |
> |
} |
291 |
> |
assertEquals(2, p2.getLargestPoolSize()); |
292 |
> |
joinPool(p2); |
293 |
> |
} |
294 |
> |
|
295 |
> |
/** |
296 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
297 |
> |
* become active |
298 |
> |
*/ |
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 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
309 |
> |
* submitted |
310 |
> |
*/ |
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 |
> |
Thread.sleep(SHORT_DELAY_MS); |
318 |
> |
} catch(Exception e){ |
319 |
> |
unexpectedException(); |
320 |
> |
} |
321 |
> |
assertEquals(5, p1.getTaskCount()); |
322 |
> |
joinPool(p1); |
323 |
> |
} |
324 |
> |
|
325 |
> |
/** |
326 |
> |
* is isShutDown is false before shutdown, true after |
327 |
> |
*/ |
328 |
> |
public void testIsShutdown() { |
329 |
> |
|
330 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
331 |
> |
try { |
332 |
> |
assertFalse(p1.isShutdown()); |
333 |
> |
} |
334 |
> |
finally { |
335 |
> |
p1.shutdown(); |
336 |
> |
} |
337 |
> |
assertTrue(p1.isShutdown()); |
338 |
|
} |
339 |
|
|
340 |
+ |
|
341 |
|
/** |
342 |
< |
* Test to verify scheduleWithFixedDelay(Runnable, long, long, TimeUnit) throws |
234 |
< |
* RejectedExecutionException. |
235 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
342 |
> |
* isTerminated is false before termination, true after |
343 |
|
*/ |
344 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException(){ |
345 |
< |
try{ |
346 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
347 |
< |
se.shutdown(); |
348 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
349 |
< |
public void run(){} |
350 |
< |
}, 1, 100, TimeUnit.SECONDS); |
351 |
< |
fail("should throw"); |
352 |
< |
}catch(RejectedExecutionException e){} |
344 |
> |
public void testIsTerminated() { |
345 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
346 |
> |
try { |
347 |
> |
p1.execute(new SmallRunnable()); |
348 |
> |
} finally { |
349 |
> |
p1.shutdown(); |
350 |
> |
} |
351 |
> |
try { |
352 |
> |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
353 |
> |
assertTrue(p1.isTerminated()); |
354 |
> |
} catch(Exception e){ |
355 |
> |
unexpectedException(); |
356 |
> |
} |
357 |
|
} |
358 |
|
|
359 |
|
/** |
360 |
< |
* Test to verify execute throws RejectedExecutionException |
361 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
360 |
> |
* isTerminating is not true when running or when terminated |
361 |
> |
*/ |
362 |
> |
public void testIsTerminating() { |
363 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
364 |
> |
assertFalse(p1.isTerminating()); |
365 |
> |
try { |
366 |
> |
p1.execute(new SmallRunnable()); |
367 |
> |
assertFalse(p1.isTerminating()); |
368 |
> |
} finally { |
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 |
> |
* purge removes cancelled tasks from the queue |
382 |
> |
*/ |
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 |
> |
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 |
> |
/** |
412 |
> |
* In default setting, shutdown cancels periodic but not delayed |
413 |
> |
* tasks at shutdown |
414 |
> |
*/ |
415 |
> |
public void testShutDown1() { |
416 |
> |
try { |
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] = 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(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()); |
435 |
> |
} |
436 |
> |
|
437 |
> |
} |
438 |
> |
catch(Exception ex) { |
439 |
> |
unexpectedException(); |
440 |
> |
} |
441 |
> |
} |
442 |
> |
|
443 |
> |
|
444 |
> |
/** |
445 |
> |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
446 |
> |
* delayed tasks are cancelled at shutdown |
447 |
|
*/ |
448 |
< |
public void testExecute_RejectedExecutionException(){ |
449 |
< |
try{ |
450 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
451 |
< |
se.shutdown(); |
452 |
< |
se.execute(new Runnable(){ |
453 |
< |
public void run(){} |
454 |
< |
}); |
455 |
< |
fail("should throw"); |
456 |
< |
}catch(RejectedExecutionException e){} |
448 |
> |
public void testShutDown2() { |
449 |
> |
try { |
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] = 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(SMALL_DELAY_MS); |
460 |
> |
assertTrue(p1.isTerminated()); |
461 |
> |
} |
462 |
> |
catch(Exception ex) { |
463 |
> |
unexpectedException(); |
464 |
> |
} |
465 |
> |
} |
466 |
> |
|
467 |
> |
|
468 |
> |
/** |
469 |
> |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
470 |
> |
* periodic tasks are not cancelled at shutdown |
471 |
> |
*/ |
472 |
> |
public void testShutDown3() { |
473 |
> |
try { |
474 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
475 |
> |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
476 |
> |
ScheduledCancellable task = |
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(p1.isTerminated()); |
484 |
> |
} |
485 |
> |
catch(Exception ex) { |
486 |
> |
unexpectedException(); |
487 |
> |
} |
488 |
> |
} |
489 |
> |
|
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 |
> |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
498 |
> |
ScheduledCancellable task = |
499 |
> |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
500 |
> |
assertFalse(task.isCancelled()); |
501 |
> |
p1.shutdown(); |
502 |
> |
assertFalse(task.isCancelled()); |
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(p1.isTerminated()); |
511 |
> |
} |
512 |
> |
catch(Exception ex) { |
513 |
> |
unexpectedException(); |
514 |
> |
} |
515 |
> |
finally { |
516 |
> |
p1.shutdownNow(); |
517 |
> |
} |
518 |
|
} |
519 |
|
|
520 |
|
} |