9 |
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import java.util.*; |
10 |
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import java.util.concurrent.*; |
11 |
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|
12 |
< |
public class ScheduledExecutorTest extends TestCase{ |
13 |
< |
|
14 |
< |
boolean flag = false; |
15 |
< |
|
12 |
> |
public class ScheduledExecutorTest extends JSR166TestCase { |
13 |
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public static void main(String[] args) { |
14 |
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junit.textui.TestRunner.run (suite()); |
15 |
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} |
19 |
– |
|
20 |
– |
|
16 |
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public static Test suite() { |
17 |
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return new TestSuite(ScheduledExecutorTest.class); |
18 |
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} |
19 |
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|
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 |
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|
21 |
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/** |
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 |
> |
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 |
> |
unexpectedException(); |
36 |
> |
} |
37 |
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assertTrue(runnable.done); |
38 |
< |
one.shutdown(); |
38 |
> |
p1.shutdown(); |
39 |
> |
joinPool(p1); |
40 |
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} |
41 |
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catch(Exception e){ |
42 |
< |
fail("unexpected exception"); |
42 |
> |
unexpectedException(); |
43 |
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} |
44 |
+ |
|
45 |
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} |
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|
47 |
+ |
|
48 |
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/** |
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 |
> |
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 |
> |
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 |
> |
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 |
> |
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 |
< |
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 |
+ |
* 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 |
+ |
joinPool(p); |
359 |
+ |
} |
360 |
+ |
} |
361 |
+ |
|
362 |
|
/** |
363 |
< |
* 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 |
363 |
> |
* is isShutDown is false before shutdown, true after |
364 |
|
*/ |
365 |
< |
public void testScheduleWithFixedDelay2_RejectedExecutionException(){ |
366 |
< |
try{ |
367 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
368 |
< |
se.shutdown(); |
369 |
< |
se.scheduleWithFixedDelay(new Runnable(){ |
370 |
< |
public void run(){} |
371 |
< |
}, 1, 100, TimeUnit.SECONDS); |
372 |
< |
fail("should throw"); |
373 |
< |
}catch(RejectedExecutionException e){} |
365 |
> |
public void testIsShutdown() { |
366 |
> |
|
367 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
368 |
> |
try { |
369 |
> |
assertFalse(p1.isShutdown()); |
370 |
> |
} |
371 |
> |
finally { |
372 |
> |
p1.shutdown(); |
373 |
> |
} |
374 |
> |
assertTrue(p1.isShutdown()); |
375 |
|
} |
376 |
|
|
377 |
+ |
|
378 |
|
/** |
379 |
< |
* Test to verify execute throws RejectedExecutionException |
250 |
< |
* This occurs on an attempt to schedule a task on a shutdown executor |
379 |
> |
* isTerminated is false before termination, true after |
380 |
|
*/ |
381 |
< |
public void testExecute_RejectedExecutionException(){ |
382 |
< |
try{ |
383 |
< |
ScheduledExecutor se = new ScheduledExecutor(1); |
384 |
< |
se.shutdown(); |
385 |
< |
se.execute(new Runnable(){ |
386 |
< |
public void run(){} |
387 |
< |
}); |
388 |
< |
fail("should throw"); |
389 |
< |
}catch(RejectedExecutionException e){} |
381 |
> |
public void testIsTerminated() { |
382 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
383 |
> |
try { |
384 |
> |
p1.execute(new SmallRunnable()); |
385 |
> |
} finally { |
386 |
> |
p1.shutdown(); |
387 |
> |
} |
388 |
> |
try { |
389 |
> |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
390 |
> |
assertTrue(p1.isTerminated()); |
391 |
> |
} catch(Exception e){ |
392 |
> |
unexpectedException(); |
393 |
> |
} |
394 |
> |
} |
395 |
> |
|
396 |
> |
/** |
397 |
> |
* isTerminating is not true when running or when terminated |
398 |
> |
*/ |
399 |
> |
public void testIsTerminating() { |
400 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
401 |
> |
assertFalse(p1.isTerminating()); |
402 |
> |
try { |
403 |
> |
p1.execute(new SmallRunnable()); |
404 |
> |
assertFalse(p1.isTerminating()); |
405 |
> |
} finally { |
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 |
> |
* getQueue returns the work queue, which contains queued tasks |
419 |
> |
*/ |
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 |
> |
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 |
> |
/** |
500 |
> |
* In default setting, shutdown cancels periodic but not delayed |
501 |
> |
* tasks at shutdown |
502 |
> |
*/ |
503 |
> |
public void testShutDown1() { |
504 |
> |
try { |
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] = 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(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()); |
523 |
> |
} |
524 |
> |
|
525 |
> |
} |
526 |
> |
catch(Exception ex) { |
527 |
> |
unexpectedException(); |
528 |
> |
} |
529 |
> |
} |
530 |
> |
|
531 |
> |
|
532 |
> |
/** |
533 |
> |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
534 |
> |
* delayed tasks are cancelled at shutdown |
535 |
> |
*/ |
536 |
> |
public void testShutDown2() { |
537 |
> |
try { |
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] = 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(SMALL_DELAY_MS); |
548 |
> |
assertTrue(p1.isTerminated()); |
549 |
> |
} |
550 |
> |
catch(Exception ex) { |
551 |
> |
unexpectedException(); |
552 |
> |
} |
553 |
> |
} |
554 |
> |
|
555 |
> |
|
556 |
> |
/** |
557 |
> |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
558 |
> |
* periodic tasks are not cancelled at shutdown |
559 |
> |
*/ |
560 |
> |
public void testShutDown3() { |
561 |
> |
try { |
562 |
> |
ScheduledExecutor p1 = new ScheduledExecutor(1); |
563 |
> |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
564 |
> |
ScheduledCancellable task = |
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(p1.isTerminated()); |
572 |
> |
} |
573 |
> |
catch(Exception ex) { |
574 |
> |
unexpectedException(); |
575 |
> |
} |
576 |
> |
} |
577 |
> |
|
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 |
> |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
586 |
> |
ScheduledCancellable task = |
587 |
> |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
588 |
> |
assertFalse(task.isCancelled()); |
589 |
> |
p1.shutdown(); |
590 |
> |
assertFalse(task.isCancelled()); |
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(p1.isTerminated()); |
599 |
> |
} |
600 |
> |
catch(Exception ex) { |
601 |
> |
unexpectedException(); |
602 |
> |
} |
603 |
> |
finally { |
604 |
> |
p1.shutdownNow(); |
605 |
> |
} |
606 |
|
} |
607 |
|
|
608 |
|
} |