12 |
|
import java.math.BigInteger; |
13 |
|
|
14 |
|
public class ExecutorsTest extends JSR166TestCase{ |
15 |
– |
|
15 |
|
public static void main(String[] args) { |
16 |
|
junit.textui.TestRunner.run (suite()); |
17 |
|
} |
19 |
– |
|
20 |
– |
|
18 |
|
public static Test suite() { |
19 |
|
return new TestSuite(ExecutorsTest.class); |
20 |
|
} |
21 |
|
|
22 |
+ |
private static final String TEST_STRING = "a test string"; |
23 |
+ |
|
24 |
+ |
private static class StringTask implements Callable<String> { |
25 |
+ |
public String call() { return TEST_STRING; } |
26 |
+ |
} |
27 |
+ |
|
28 |
+ |
static class DirectExecutor implements Executor { |
29 |
+ |
public void execute(Runnable r) { |
30 |
+ |
r.run(); |
31 |
+ |
} |
32 |
+ |
} |
33 |
+ |
|
34 |
+ |
static class TimedCallable<T> implements Callable<T> { |
35 |
+ |
private final Executor exec; |
36 |
+ |
private final Callable<T> func; |
37 |
+ |
private final long msecs; |
38 |
+ |
|
39 |
+ |
TimedCallable(Executor exec, Callable<T> func, long msecs) { |
40 |
+ |
this.exec = exec; |
41 |
+ |
this.func = func; |
42 |
+ |
this.msecs = msecs; |
43 |
+ |
} |
44 |
+ |
|
45 |
+ |
public T call() throws Exception { |
46 |
+ |
Future<T> ftask = Executors.execute(exec, func); |
47 |
+ |
try { |
48 |
+ |
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
49 |
+ |
} finally { |
50 |
+ |
ftask.cancel(true); |
51 |
+ |
} |
52 |
+ |
} |
53 |
+ |
} |
54 |
+ |
|
55 |
+ |
|
56 |
+ |
private static class Fib implements Callable<BigInteger> { |
57 |
+ |
private final BigInteger n; |
58 |
+ |
Fib(long n) { |
59 |
+ |
if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n); |
60 |
+ |
this.n = BigInteger.valueOf(n); |
61 |
+ |
} |
62 |
+ |
public BigInteger call() { |
63 |
+ |
BigInteger f1 = BigInteger.ONE; |
64 |
+ |
BigInteger f2 = f1; |
65 |
+ |
for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) { |
66 |
+ |
BigInteger t = f1.add(f2); |
67 |
+ |
f1 = f2; |
68 |
+ |
f2 = t; |
69 |
+ |
} |
70 |
+ |
return f1; |
71 |
+ |
} |
72 |
+ |
}; |
73 |
+ |
|
74 |
+ |
/** |
75 |
+ |
* A newCachedThreadPool can execute runnables |
76 |
+ |
*/ |
77 |
+ |
public void testNewCachedThreadPool1() { |
78 |
+ |
ExecutorService e = Executors.newCachedThreadPool(); |
79 |
+ |
e.execute(new NoOpRunnable()); |
80 |
+ |
e.execute(new NoOpRunnable()); |
81 |
+ |
e.execute(new NoOpRunnable()); |
82 |
+ |
e.shutdown(); |
83 |
+ |
} |
84 |
+ |
|
85 |
+ |
/** |
86 |
+ |
* A newCachedThreadPool with given ThreadFactory can execute runnables |
87 |
+ |
*/ |
88 |
+ |
public void testNewCachedThreadPool2() { |
89 |
+ |
ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
90 |
+ |
e.execute(new NoOpRunnable()); |
91 |
+ |
e.execute(new NoOpRunnable()); |
92 |
+ |
e.execute(new NoOpRunnable()); |
93 |
+ |
e.shutdown(); |
94 |
+ |
} |
95 |
+ |
|
96 |
+ |
/** |
97 |
+ |
* A newCachedThreadPool with null ThreadFactory throws NPE |
98 |
+ |
*/ |
99 |
+ |
public void testNewCachedThreadPool3() { |
100 |
+ |
try { |
101 |
+ |
ExecutorService e = Executors.newCachedThreadPool(null); |
102 |
+ |
shouldThrow(); |
103 |
+ |
} |
104 |
+ |
catch(NullPointerException success) { |
105 |
+ |
} |
106 |
+ |
} |
107 |
+ |
|
108 |
+ |
|
109 |
+ |
/** |
110 |
+ |
* A new SingleThreadExecutor can execute runnables |
111 |
+ |
*/ |
112 |
+ |
public void testNewSingleThreadExecutor1() { |
113 |
+ |
ExecutorService e = Executors.newSingleThreadExecutor(); |
114 |
+ |
e.execute(new NoOpRunnable()); |
115 |
+ |
e.execute(new NoOpRunnable()); |
116 |
+ |
e.execute(new NoOpRunnable()); |
117 |
+ |
e.shutdown(); |
118 |
+ |
} |
119 |
+ |
|
120 |
+ |
/** |
121 |
+ |
* A new SingleThreadExecutor with given ThreadFactory can execute runnables |
122 |
+ |
*/ |
123 |
+ |
public void testNewSingleThreadExecutor2() { |
124 |
+ |
ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
125 |
+ |
e.execute(new NoOpRunnable()); |
126 |
+ |
e.execute(new NoOpRunnable()); |
127 |
+ |
e.execute(new NoOpRunnable()); |
128 |
+ |
e.shutdown(); |
129 |
+ |
} |
130 |
+ |
|
131 |
+ |
/** |
132 |
+ |
* A new SingleThreadExecutor with null ThreadFactory throws NPE |
133 |
+ |
*/ |
134 |
+ |
public void testNewSingleThreadExecutor3() { |
135 |
+ |
try { |
136 |
+ |
ExecutorService e = Executors.newSingleThreadExecutor(null); |
137 |
+ |
shouldThrow(); |
138 |
+ |
} |
139 |
+ |
catch(NullPointerException success) { |
140 |
+ |
} |
141 |
+ |
} |
142 |
+ |
|
143 |
+ |
/** |
144 |
+ |
* A new newFixedThreadPool can execute runnables |
145 |
+ |
*/ |
146 |
+ |
public void testNewFixedThreadPool1() { |
147 |
+ |
ExecutorService e = Executors.newFixedThreadPool(2); |
148 |
+ |
e.execute(new NoOpRunnable()); |
149 |
+ |
e.execute(new NoOpRunnable()); |
150 |
+ |
e.execute(new NoOpRunnable()); |
151 |
+ |
e.shutdown(); |
152 |
+ |
} |
153 |
+ |
|
154 |
+ |
/** |
155 |
+ |
* A new newFixedThreadPool with given ThreadFactory can execute runnables |
156 |
+ |
*/ |
157 |
+ |
public void testNewFixedThreadPool2() { |
158 |
+ |
ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
159 |
+ |
e.execute(new NoOpRunnable()); |
160 |
+ |
e.execute(new NoOpRunnable()); |
161 |
+ |
e.execute(new NoOpRunnable()); |
162 |
+ |
e.shutdown(); |
163 |
+ |
} |
164 |
+ |
|
165 |
+ |
/** |
166 |
+ |
* A new newFixedThreadPool with null ThreadFactory throws NPE |
167 |
+ |
*/ |
168 |
+ |
public void testNewFixedThreadPool3() { |
169 |
+ |
try { |
170 |
+ |
ExecutorService e = Executors.newFixedThreadPool(2, null); |
171 |
+ |
shouldThrow(); |
172 |
+ |
} |
173 |
+ |
catch(NullPointerException success) { |
174 |
+ |
} |
175 |
+ |
} |
176 |
+ |
|
177 |
+ |
/** |
178 |
+ |
* A new newFixedThreadPool with 0 threads throws IAE |
179 |
+ |
*/ |
180 |
+ |
public void testNewFixedThreadPool4() { |
181 |
+ |
try { |
182 |
+ |
ExecutorService e = Executors.newFixedThreadPool(0); |
183 |
+ |
shouldThrow(); |
184 |
+ |
} |
185 |
+ |
catch(IllegalArgumentException success) { |
186 |
+ |
} |
187 |
+ |
} |
188 |
+ |
|
189 |
+ |
/** |
190 |
+ |
* execute of runnable runs it to completion |
191 |
+ |
*/ |
192 |
+ |
public void testExecuteRunnable() { |
193 |
+ |
try { |
194 |
+ |
Executor e = new DirectExecutor(); |
195 |
+ |
TrackedShortRunnable task = new TrackedShortRunnable(); |
196 |
+ |
assertFalse(task.done); |
197 |
+ |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
198 |
+ |
String result = future.get(); |
199 |
+ |
assertTrue(task.done); |
200 |
+ |
assertSame(TEST_STRING, result); |
201 |
+ |
} |
202 |
+ |
catch (ExecutionException ex) { |
203 |
+ |
unexpectedException(); |
204 |
+ |
} |
205 |
+ |
catch (InterruptedException ex) { |
206 |
+ |
unexpectedException(); |
207 |
+ |
} |
208 |
+ |
} |
209 |
+ |
|
210 |
+ |
/** |
211 |
+ |
* invoke of a runnable runs it to completion |
212 |
+ |
*/ |
213 |
+ |
public void testInvokeRunnable() { |
214 |
+ |
try { |
215 |
+ |
Executor e = new DirectExecutor(); |
216 |
+ |
TrackedShortRunnable task = new TrackedShortRunnable(); |
217 |
+ |
assertFalse(task.done); |
218 |
+ |
Executors.invoke(e, task); |
219 |
+ |
assertTrue(task.done); |
220 |
+ |
} |
221 |
+ |
catch (ExecutionException ex) { |
222 |
+ |
unexpectedException(); |
223 |
+ |
} |
224 |
+ |
catch (InterruptedException ex) { |
225 |
+ |
unexpectedException(); |
226 |
+ |
} |
227 |
+ |
} |
228 |
+ |
|
229 |
+ |
/** |
230 |
+ |
* execute of a callable runs it to completion |
231 |
+ |
*/ |
232 |
+ |
public void testExecuteCallable() { |
233 |
+ |
try { |
234 |
+ |
Executor e = new DirectExecutor(); |
235 |
+ |
Future<String> future = Executors.execute(e, new StringTask()); |
236 |
+ |
String result = future.get(); |
237 |
+ |
assertSame(TEST_STRING, result); |
238 |
+ |
} |
239 |
+ |
catch (ExecutionException ex) { |
240 |
+ |
unexpectedException(); |
241 |
+ |
} |
242 |
+ |
catch (InterruptedException ex) { |
243 |
+ |
unexpectedException(); |
244 |
+ |
} |
245 |
+ |
} |
246 |
+ |
|
247 |
+ |
/** |
248 |
+ |
* invoke of a collable runs it to completion |
249 |
+ |
*/ |
250 |
+ |
public void testInvokeCallable() { |
251 |
+ |
try { |
252 |
+ |
Executor e = new DirectExecutor(); |
253 |
+ |
String result = Executors.invoke(e, new StringTask()); |
254 |
+ |
|
255 |
+ |
assertSame(TEST_STRING, result); |
256 |
+ |
} |
257 |
+ |
catch (ExecutionException ex) { |
258 |
+ |
unexpectedException(); |
259 |
+ |
} |
260 |
+ |
catch (InterruptedException ex) { |
261 |
+ |
unexpectedException(); |
262 |
+ |
} |
263 |
+ |
} |
264 |
+ |
|
265 |
|
/** |
266 |
< |
* execute(Executor, Runnable) will throw |
27 |
< |
* RejectedExecutionException Attempting to execute a runnable on |
28 |
< |
* a full ThreadPool will cause such an exception here, up to 5 |
29 |
< |
* runnables are attempted on a pool capable on handling one |
30 |
< |
* until it throws an exception |
266 |
> |
* execute with null executor throws NPE |
267 |
|
*/ |
268 |
< |
public void testExecute1(){ |
268 |
> |
public void testNullExecuteRunnable() { |
269 |
> |
try { |
270 |
> |
TrackedShortRunnable task = new TrackedShortRunnable(); |
271 |
> |
assertFalse(task.done); |
272 |
> |
Future<String> future = Executors.execute(null, task, TEST_STRING); |
273 |
> |
shouldThrow(); |
274 |
> |
} |
275 |
> |
catch (NullPointerException success) { |
276 |
> |
} |
277 |
> |
catch (Exception ex) { |
278 |
> |
unexpectedException(); |
279 |
> |
} |
280 |
> |
} |
281 |
> |
|
282 |
> |
/** |
283 |
> |
* execute with a null runnable throws NPE |
284 |
> |
*/ |
285 |
> |
public void testExecuteNullRunnable() { |
286 |
> |
try { |
287 |
> |
Executor e = new DirectExecutor(); |
288 |
> |
TrackedShortRunnable task = null; |
289 |
> |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
290 |
> |
shouldThrow(); |
291 |
> |
} |
292 |
> |
catch (NullPointerException success) { |
293 |
> |
} |
294 |
> |
catch (Exception ex) { |
295 |
> |
unexpectedException(); |
296 |
> |
} |
297 |
> |
} |
298 |
> |
|
299 |
> |
/** |
300 |
> |
* invoke of a null runnable throws NPE |
301 |
> |
*/ |
302 |
> |
public void testInvokeNullRunnable() { |
303 |
> |
try { |
304 |
> |
Executor e = new DirectExecutor(); |
305 |
> |
TrackedShortRunnable task = null; |
306 |
> |
Executors.invoke(e, task); |
307 |
> |
shouldThrow(); |
308 |
> |
} |
309 |
> |
catch (NullPointerException success) { |
310 |
> |
} |
311 |
> |
catch (Exception ex) { |
312 |
> |
unexpectedException(); |
313 |
> |
} |
314 |
> |
} |
315 |
> |
|
316 |
> |
/** |
317 |
> |
* execute of a null callable throws NPE |
318 |
> |
*/ |
319 |
> |
public void testExecuteNullCallable() { |
320 |
> |
try { |
321 |
> |
Executor e = new DirectExecutor(); |
322 |
> |
StringTask t = null; |
323 |
> |
Future<String> future = Executors.execute(e, t); |
324 |
> |
shouldThrow(); |
325 |
> |
} |
326 |
> |
catch (NullPointerException success) { |
327 |
> |
} |
328 |
> |
catch (Exception ex) { |
329 |
> |
unexpectedException(); |
330 |
> |
} |
331 |
> |
} |
332 |
> |
|
333 |
> |
/** |
334 |
> |
* invoke of a null callable throws NPE |
335 |
> |
*/ |
336 |
> |
public void testInvokeNullCallable() { |
337 |
> |
try { |
338 |
> |
Executor e = new DirectExecutor(); |
339 |
> |
StringTask t = null; |
340 |
> |
String result = Executors.invoke(e, t); |
341 |
> |
shouldThrow(); |
342 |
> |
} |
343 |
> |
catch (NullPointerException success) { |
344 |
> |
} |
345 |
> |
catch (Exception ex) { |
346 |
> |
unexpectedException(); |
347 |
> |
} |
348 |
> |
} |
349 |
> |
|
350 |
> |
/** |
351 |
> |
* execute(Executor, Runnable) throws RejectedExecutionException |
352 |
> |
* if saturated. |
353 |
> |
*/ |
354 |
> |
public void testExecute1() { |
355 |
|
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
356 |
< |
try{ |
356 |
> |
try { |
357 |
|
|
358 |
|
for(int i = 0; i < 5; ++i){ |
359 |
|
Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
360 |
|
} |
361 |
< |
fail("should throw"); |
361 |
> |
shouldThrow(); |
362 |
|
} catch(RejectedExecutionException success){} |
363 |
|
joinPool(p); |
364 |
|
} |
365 |
|
|
366 |
|
/** |
367 |
< |
* execute(Executor, Callable) will throw |
368 |
< |
* RejectedExecutionException Attempting to execute a callable on |
47 |
< |
* a full ThreadPool will cause such an exception here, up to 5 |
48 |
< |
* runnables are attempted on a pool capable on handling one |
49 |
< |
* until it throws an exception |
367 |
> |
* execute(Executor, Callable)throws RejectedExecutionException |
368 |
> |
* if saturated. |
369 |
|
*/ |
370 |
< |
public void testExecute2(){ |
370 |
> |
public void testExecute2() { |
371 |
|
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
372 |
< |
try{ |
372 |
> |
try { |
373 |
|
for(int i = 0; i < 5; ++i) { |
374 |
|
Executors.execute(p, new SmallCallable()); |
375 |
|
} |
376 |
< |
fail("should throw"); |
377 |
< |
}catch(RejectedExecutionException e){} |
376 |
> |
shouldThrow(); |
377 |
> |
} catch(RejectedExecutionException e){} |
378 |
|
joinPool(p); |
379 |
|
} |
380 |
|
|
381 |
|
|
382 |
|
/** |
383 |
< |
* invoke(Executor, Runnable) throws InterruptedException |
384 |
< |
* A single use of invoke starts that will wait long enough |
66 |
< |
* for the invoking thread to be interrupted |
383 |
> |
* invoke(Executor, Runnable) throws InterruptedException if |
384 |
> |
* caller interrupted. |
385 |
|
*/ |
386 |
< |
public void testInvoke2(){ |
386 |
> |
public void testInterruptedInvoke() { |
387 |
|
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
388 |
|
Thread t = new Thread(new Runnable() { |
389 |
< |
public void run(){ |
390 |
< |
try{ |
391 |
< |
Executors.invoke(p,new Runnable(){ |
392 |
< |
public void run(){ |
393 |
< |
try{ |
389 |
> |
public void run() { |
390 |
> |
try { |
391 |
> |
Executors.invoke(p,new Runnable() { |
392 |
> |
public void run() { |
393 |
> |
try { |
394 |
|
Thread.sleep(MEDIUM_DELAY_MS); |
395 |
< |
fail("should throw"); |
396 |
< |
}catch(InterruptedException e){ |
395 |
> |
shouldThrow(); |
396 |
> |
} catch(InterruptedException e){ |
397 |
|
} |
398 |
|
} |
399 |
|
}); |
400 |
|
} catch(InterruptedException success){ |
401 |
|
} catch(Exception e) { |
402 |
< |
fail("unexpected exception"); |
402 |
> |
unexpectedException(); |
403 |
|
} |
404 |
|
|
405 |
|
} |
406 |
|
}); |
407 |
< |
try{ |
407 |
> |
try { |
408 |
|
t.start(); |
409 |
|
Thread.sleep(SHORT_DELAY_MS); |
410 |
|
t.interrupt(); |
411 |
< |
}catch(Exception e){ |
412 |
< |
fail("unexpected exception"); |
411 |
> |
} catch(Exception e){ |
412 |
> |
unexpectedException(); |
413 |
|
} |
414 |
|
joinPool(p); |
415 |
|
} |
416 |
|
|
417 |
|
/** |
418 |
< |
* invoke(Executor, Runnable) will throw |
419 |
< |
* ExecutionException An ExecutionException occurs when the |
102 |
< |
* underlying Runnable throws an exception, here the |
103 |
< |
* DivideByZeroException will cause an ExecutionException |
418 |
> |
* invoke(Executor, Runnable) throws ExecutionException if |
419 |
> |
* runnable throws exception. |
420 |
|
*/ |
421 |
< |
public void testInvoke3(){ |
421 |
> |
public void testInvoke3() { |
422 |
|
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
423 |
< |
try{ |
424 |
< |
Runnable r = new Runnable(){ |
425 |
< |
public void run(){ |
423 |
> |
try { |
424 |
> |
Runnable r = new Runnable() { |
425 |
> |
public void run() { |
426 |
|
int i = 5/0; |
427 |
|
} |
428 |
|
}; |
431 |
|
Executors.invoke(p,r); |
432 |
|
} |
433 |
|
|
434 |
< |
fail("should throw"); |
434 |
> |
shouldThrow(); |
435 |
|
} catch(ExecutionException success){ |
436 |
|
} catch(Exception e){ |
437 |
< |
fail("should throw EE"); |
437 |
> |
unexpectedException(); |
438 |
|
} |
439 |
|
joinPool(p); |
440 |
|
} |
442 |
|
|
443 |
|
|
444 |
|
/** |
445 |
< |
* invoke(Executor, Callable) throws |
446 |
< |
* InterruptedException A single use of invoke starts that will |
131 |
< |
* wait long enough for the invoking thread to be interrupted |
445 |
> |
* invoke(Executor, Callable) throws InterruptedException if |
446 |
> |
* callable throws exception |
447 |
|
*/ |
448 |
< |
public void testInvoke5(){ |
448 |
> |
public void testInvoke5() { |
449 |
|
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
450 |
|
|
451 |
< |
final Callable c = new Callable(){ |
452 |
< |
public Object call(){ |
453 |
< |
try{ |
451 |
> |
final Callable c = new Callable() { |
452 |
> |
public Object call() { |
453 |
> |
try { |
454 |
|
Executors.invoke(p, new SmallCallable()); |
455 |
< |
fail("should throw"); |
456 |
< |
}catch(InterruptedException e){} |
455 |
> |
shouldThrow(); |
456 |
> |
} catch(InterruptedException e){} |
457 |
|
catch(RejectedExecutionException e2){} |
458 |
|
catch(ExecutionException e3){} |
459 |
|
return Boolean.TRUE; |
462 |
|
|
463 |
|
|
464 |
|
|
465 |
< |
Thread t = new Thread(new Runnable(){ |
466 |
< |
public void run(){ |
467 |
< |
try{ |
465 |
> |
Thread t = new Thread(new Runnable() { |
466 |
> |
public void run() { |
467 |
> |
try { |
468 |
|
c.call(); |
469 |
< |
}catch(Exception e){} |
469 |
> |
} catch(Exception e){} |
470 |
|
} |
471 |
|
}); |
472 |
< |
try{ |
472 |
> |
try { |
473 |
|
t.start(); |
474 |
|
Thread.sleep(SHORT_DELAY_MS); |
475 |
|
t.interrupt(); |
476 |
|
t.join(); |
477 |
< |
}catch(InterruptedException e){ |
478 |
< |
fail("unexpected exception"); |
477 |
> |
} catch(InterruptedException e){ |
478 |
> |
unexpectedException(); |
479 |
|
} |
480 |
|
|
481 |
|
joinPool(p); |
482 |
|
} |
483 |
|
|
484 |
|
/** |
485 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
486 |
< |
* An ExecutionException occurs when the underlying Runnable throws |
172 |
< |
* an exception, here the DivideByZeroException will cause an ExecutionException |
485 |
> |
* invoke(Executor, Callable) will throw ExecutionException |
486 |
> |
* if callable throws exception |
487 |
|
*/ |
488 |
< |
public void testInvoke6(){ |
488 |
> |
public void testInvoke6() { |
489 |
|
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
490 |
|
|
491 |
< |
try{ |
492 |
< |
Callable c = new Callable(){ |
493 |
< |
public Object call(){ |
491 |
> |
try { |
492 |
> |
Callable c = new Callable() { |
493 |
> |
public Object call() { |
494 |
|
int i = 5/0; |
495 |
|
return Boolean.TRUE; |
496 |
|
} |
500 |
|
Executors.invoke(p,c); |
501 |
|
} |
502 |
|
|
503 |
< |
fail("should throw"); |
504 |
< |
}catch(RejectedExecutionException e){} |
505 |
< |
catch(InterruptedException e2){} |
506 |
< |
catch(ExecutionException e3){} |
507 |
< |
joinPool(p); |
194 |
< |
} |
195 |
< |
|
196 |
< |
public void testExecuteRunnable () { |
197 |
< |
try { |
198 |
< |
Executor e = new DirectExecutor(); |
199 |
< |
Task task = new Task(); |
200 |
< |
|
201 |
< |
assertFalse("task should not be complete", task.isCompleted()); |
202 |
< |
|
203 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
204 |
< |
String result = future.get(); |
205 |
< |
|
206 |
< |
assertTrue("task should be complete", task.isCompleted()); |
207 |
< |
assertSame("should return test string", TEST_STRING, result); |
208 |
< |
} |
209 |
< |
catch (ExecutionException ex) { |
210 |
< |
fail("Unexpected exception"); |
211 |
< |
} |
212 |
< |
catch (InterruptedException ex) { |
213 |
< |
fail("Unexpected exception"); |
214 |
< |
} |
215 |
< |
} |
216 |
< |
|
217 |
< |
public void testInvokeRunnable () { |
218 |
< |
try { |
219 |
< |
Executor e = new DirectExecutor(); |
220 |
< |
Task task = new Task(); |
221 |
< |
|
222 |
< |
assertFalse("task should not be complete", task.isCompleted()); |
223 |
< |
|
224 |
< |
Executors.invoke(e, task); |
225 |
< |
|
226 |
< |
assertTrue("task should be complete", task.isCompleted()); |
227 |
< |
} |
228 |
< |
catch (ExecutionException ex) { |
229 |
< |
fail("Unexpected exception"); |
503 |
> |
shouldThrow(); |
504 |
> |
} |
505 |
> |
catch(ExecutionException success){ |
506 |
> |
} catch(Exception e) { |
507 |
> |
unexpectedException(); |
508 |
|
} |
509 |
< |
catch (InterruptedException ex) { |
232 |
< |
fail("Unexpected exception"); |
233 |
< |
} |
234 |
< |
} |
235 |
< |
|
236 |
< |
public void testExecuteCallable () { |
237 |
< |
try { |
238 |
< |
Executor e = new DirectExecutor(); |
239 |
< |
Future<String> future = Executors.execute(e, new StringTask()); |
240 |
< |
String result = future.get(); |
241 |
< |
|
242 |
< |
assertSame("should return test string", TEST_STRING, result); |
243 |
< |
} |
244 |
< |
catch (ExecutionException ex) { |
245 |
< |
fail("Unexpected exception"); |
246 |
< |
} |
247 |
< |
catch (InterruptedException ex) { |
248 |
< |
fail("Unexpected exception"); |
249 |
< |
} |
250 |
< |
} |
251 |
< |
|
252 |
< |
public void testInvokeCallable () { |
253 |
< |
try { |
254 |
< |
Executor e = new DirectExecutor(); |
255 |
< |
String result = Executors.invoke(e, new StringTask()); |
256 |
< |
|
257 |
< |
assertSame("should return test string", TEST_STRING, result); |
258 |
< |
} |
259 |
< |
catch (ExecutionException ex) { |
260 |
< |
fail("Unexpected exception" ); |
261 |
< |
} |
262 |
< |
catch (InterruptedException ex) { |
263 |
< |
fail("Unexpected exception"); |
264 |
< |
} |
265 |
< |
} |
266 |
< |
|
267 |
< |
private static final String TEST_STRING = "a test string"; |
268 |
< |
|
269 |
< |
private static class Task implements Runnable { |
270 |
< |
public void run() { completed = true; } |
271 |
< |
public boolean isCompleted() { return completed; } |
272 |
< |
public void reset() { completed = false; } |
273 |
< |
private boolean completed = false; |
509 |
> |
joinPool(p); |
510 |
|
} |
511 |
|
|
276 |
– |
private static class StringTask implements Callable<String> { |
277 |
– |
public String call() { return TEST_STRING; } |
278 |
– |
} |
512 |
|
|
280 |
– |
static class DirectExecutor implements Executor { |
281 |
– |
public void execute(Runnable r) { |
282 |
– |
r.run(); |
283 |
– |
} |
284 |
– |
} |
513 |
|
|
514 |
|
/** |
515 |
< |
* Check that timeouts from execute will time out if they compute |
288 |
< |
* too long. |
515 |
> |
* timeouts from execute will time out if they compute too long. |
516 |
|
*/ |
290 |
– |
|
517 |
|
public void testTimedCallable() { |
518 |
|
int N = 10000; |
519 |
|
ExecutorService executor = Executors.newSingleThreadExecutor(); |
539 |
|
return; |
540 |
|
} |
541 |
|
catch (Exception e) { |
542 |
< |
fail("unexpected exception: " + e); |
542 |
> |
unexpectedException(); |
543 |
|
} |
544 |
|
} |
545 |
|
// if by chance we didn't ever time out, total time must be small |
552 |
|
} |
553 |
|
|
554 |
|
|
329 |
– |
static class TimedCallable<T> implements Callable<T> { |
330 |
– |
private final Executor exec; |
331 |
– |
private final Callable<T> func; |
332 |
– |
private final long msecs; |
333 |
– |
|
334 |
– |
TimedCallable(Executor exec, Callable<T> func, long msecs) { |
335 |
– |
this.exec = exec; |
336 |
– |
this.func = func; |
337 |
– |
this.msecs = msecs; |
338 |
– |
} |
339 |
– |
|
340 |
– |
public T call() throws Exception { |
341 |
– |
Future<T> ftask = Executors.execute(exec, func); |
342 |
– |
try { |
343 |
– |
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
344 |
– |
} finally { |
345 |
– |
ftask.cancel(true); |
346 |
– |
} |
347 |
– |
} |
348 |
– |
} |
349 |
– |
|
350 |
– |
|
351 |
– |
private static class Fib implements Callable<BigInteger> { |
352 |
– |
private final BigInteger n; |
353 |
– |
Fib(long n) { |
354 |
– |
if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n); |
355 |
– |
this.n = BigInteger.valueOf(n); |
356 |
– |
} |
357 |
– |
public BigInteger call() { |
358 |
– |
BigInteger f1 = BigInteger.ONE; |
359 |
– |
BigInteger f2 = f1; |
360 |
– |
for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) { |
361 |
– |
BigInteger t = f1.add(f2); |
362 |
– |
f1 = f2; |
363 |
– |
f2 = t; |
364 |
– |
} |
365 |
– |
return f1; |
366 |
– |
} |
367 |
– |
}; |
368 |
– |
|
555 |
|
|
556 |
|
|
557 |
|
} |