1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/licenses/publicdomain |
5 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
8 |
|
9 |
|
10 |
import junit.framework.*; |
11 |
import java.util.*; |
12 |
import java.util.concurrent.*; |
13 |
import java.math.BigInteger; |
14 |
import java.security.*; |
15 |
|
16 |
public class ExecutorsTest extends JSR166TestCase{ |
17 |
public static void main(String[] args) { |
18 |
junit.textui.TestRunner.run (suite()); |
19 |
} |
20 |
public static Test suite() { |
21 |
return new TestSuite(ExecutorsTest.class); |
22 |
} |
23 |
|
24 |
static class TimedCallable<T> implements Callable<T> { |
25 |
private final ExecutorService exec; |
26 |
private final Callable<T> func; |
27 |
private final long msecs; |
28 |
|
29 |
TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
30 |
this.exec = exec; |
31 |
this.func = func; |
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this.msecs = msecs; |
33 |
} |
34 |
|
35 |
public T call() throws Exception { |
36 |
Future<T> ftask = exec.submit(func); |
37 |
try { |
38 |
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
39 |
} finally { |
40 |
ftask.cancel(true); |
41 |
} |
42 |
} |
43 |
} |
44 |
|
45 |
|
46 |
private static class Fib implements Callable<BigInteger> { |
47 |
private final BigInteger n; |
48 |
Fib(long n) { |
49 |
if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n); |
50 |
this.n = BigInteger.valueOf(n); |
51 |
} |
52 |
public BigInteger call() { |
53 |
BigInteger f1 = BigInteger.ONE; |
54 |
BigInteger f2 = f1; |
55 |
for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) { |
56 |
BigInteger t = f1.add(f2); |
57 |
f1 = f2; |
58 |
f2 = t; |
59 |
} |
60 |
return f1; |
61 |
} |
62 |
}; |
63 |
|
64 |
/** |
65 |
* A newCachedThreadPool can execute runnables |
66 |
*/ |
67 |
public void testNewCachedThreadPool1() { |
68 |
ExecutorService e = Executors.newCachedThreadPool(); |
69 |
e.execute(new NoOpRunnable()); |
70 |
e.execute(new NoOpRunnable()); |
71 |
e.execute(new NoOpRunnable()); |
72 |
joinPool(e); |
73 |
} |
74 |
|
75 |
/** |
76 |
* A newCachedThreadPool with given ThreadFactory can execute runnables |
77 |
*/ |
78 |
public void testNewCachedThreadPool2() { |
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ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
80 |
e.execute(new NoOpRunnable()); |
81 |
e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
83 |
joinPool(e); |
84 |
} |
85 |
|
86 |
/** |
87 |
* A newCachedThreadPool with null ThreadFactory throws NPE |
88 |
*/ |
89 |
public void testNewCachedThreadPool3() { |
90 |
try { |
91 |
ExecutorService e = Executors.newCachedThreadPool(null); |
92 |
shouldThrow(); |
93 |
} |
94 |
catch(NullPointerException success) { |
95 |
} |
96 |
} |
97 |
|
98 |
|
99 |
/** |
100 |
* A new SingleThreadExecutor can execute runnables |
101 |
*/ |
102 |
public void testNewSingleThreadExecutor1() { |
103 |
ExecutorService e = Executors.newSingleThreadExecutor(); |
104 |
e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
106 |
e.execute(new NoOpRunnable()); |
107 |
joinPool(e); |
108 |
} |
109 |
|
110 |
/** |
111 |
* A new SingleThreadExecutor with given ThreadFactory can execute runnables |
112 |
*/ |
113 |
public void testNewSingleThreadExecutor2() { |
114 |
ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
115 |
e.execute(new NoOpRunnable()); |
116 |
e.execute(new NoOpRunnable()); |
117 |
e.execute(new NoOpRunnable()); |
118 |
joinPool(e); |
119 |
} |
120 |
|
121 |
/** |
122 |
* A new SingleThreadExecutor with null ThreadFactory throws NPE |
123 |
*/ |
124 |
public void testNewSingleThreadExecutor3() { |
125 |
try { |
126 |
ExecutorService e = Executors.newSingleThreadExecutor(null); |
127 |
shouldThrow(); |
128 |
} |
129 |
catch(NullPointerException success) { |
130 |
} |
131 |
} |
132 |
|
133 |
/** |
134 |
* A new SingleThreadExecutor cannot be casted to concrete implementation |
135 |
*/ |
136 |
public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
138 |
try { |
139 |
ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
140 |
} catch (ClassCastException success) { |
141 |
} finally { |
142 |
joinPool(e); |
143 |
} |
144 |
} |
145 |
|
146 |
|
147 |
/** |
148 |
* A new newFixedThreadPool can execute runnables |
149 |
*/ |
150 |
public void testNewFixedThreadPool1() { |
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ExecutorService e = Executors.newFixedThreadPool(2); |
152 |
e.execute(new NoOpRunnable()); |
153 |
e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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} |
157 |
|
158 |
/** |
159 |
* A new newFixedThreadPool with given ThreadFactory can execute runnables |
160 |
*/ |
161 |
public void testNewFixedThreadPool2() { |
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ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
166 |
joinPool(e); |
167 |
} |
168 |
|
169 |
/** |
170 |
* A new newFixedThreadPool with null ThreadFactory throws NPE |
171 |
*/ |
172 |
public void testNewFixedThreadPool3() { |
173 |
try { |
174 |
ExecutorService e = Executors.newFixedThreadPool(2, null); |
175 |
shouldThrow(); |
176 |
} |
177 |
catch(NullPointerException success) { |
178 |
} |
179 |
} |
180 |
|
181 |
/** |
182 |
* A new newFixedThreadPool with 0 threads throws IAE |
183 |
*/ |
184 |
public void testNewFixedThreadPool4() { |
185 |
try { |
186 |
ExecutorService e = Executors.newFixedThreadPool(0); |
187 |
shouldThrow(); |
188 |
} |
189 |
catch(IllegalArgumentException success) { |
190 |
} |
191 |
} |
192 |
|
193 |
|
194 |
/** |
195 |
* An unconfigurable newFixedThreadPool can execute runnables |
196 |
*/ |
197 |
public void testunconfigurableExecutorService() { |
198 |
ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
199 |
e.execute(new NoOpRunnable()); |
200 |
e.execute(new NoOpRunnable()); |
201 |
e.execute(new NoOpRunnable()); |
202 |
joinPool(e); |
203 |
} |
204 |
|
205 |
/** |
206 |
* unconfigurableExecutorService(null) throws NPE |
207 |
*/ |
208 |
public void testunconfigurableExecutorServiceNPE() { |
209 |
try { |
210 |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
211 |
} |
212 |
catch (NullPointerException success) { |
213 |
} |
214 |
} |
215 |
|
216 |
/** |
217 |
* unconfigurableScheduledExecutorService(null) throws NPE |
218 |
*/ |
219 |
public void testunconfigurableScheduledExecutorServiceNPE() { |
220 |
try { |
221 |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
222 |
} |
223 |
catch (NullPointerException success) { |
224 |
} |
225 |
} |
226 |
|
227 |
|
228 |
/** |
229 |
* a newSingleThreadScheduledExecutor successfully runs delayed task |
230 |
*/ |
231 |
public void testNewSingleThreadScheduledExecutor() { |
232 |
try { |
233 |
TrackedCallable callable = new TrackedCallable(); |
234 |
ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
235 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
236 |
assertFalse(callable.done); |
237 |
Thread.sleep(MEDIUM_DELAY_MS); |
238 |
assertTrue(callable.done); |
239 |
assertEquals(Boolean.TRUE, f.get()); |
240 |
joinPool(p1); |
241 |
} catch(RejectedExecutionException e){} |
242 |
catch(Exception e){ |
243 |
e.printStackTrace(); |
244 |
unexpectedException(); |
245 |
} |
246 |
} |
247 |
|
248 |
/** |
249 |
* a newScheduledThreadPool successfully runs delayed task |
250 |
*/ |
251 |
public void testnewScheduledThreadPool() { |
252 |
try { |
253 |
TrackedCallable callable = new TrackedCallable(); |
254 |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
255 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
256 |
assertFalse(callable.done); |
257 |
Thread.sleep(MEDIUM_DELAY_MS); |
258 |
assertTrue(callable.done); |
259 |
assertEquals(Boolean.TRUE, f.get()); |
260 |
joinPool(p1); |
261 |
} catch(RejectedExecutionException e){} |
262 |
catch(Exception e){ |
263 |
e.printStackTrace(); |
264 |
unexpectedException(); |
265 |
} |
266 |
} |
267 |
|
268 |
/** |
269 |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
270 |
*/ |
271 |
public void testunconfigurableScheduledExecutorService() { |
272 |
try { |
273 |
TrackedCallable callable = new TrackedCallable(); |
274 |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
275 |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
276 |
assertFalse(callable.done); |
277 |
Thread.sleep(MEDIUM_DELAY_MS); |
278 |
assertTrue(callable.done); |
279 |
assertEquals(Boolean.TRUE, f.get()); |
280 |
joinPool(p1); |
281 |
} catch(RejectedExecutionException e){} |
282 |
catch(Exception e){ |
283 |
e.printStackTrace(); |
284 |
unexpectedException(); |
285 |
} |
286 |
} |
287 |
|
288 |
/** |
289 |
* timeouts from execute will time out if they compute too long. |
290 |
*/ |
291 |
public void testTimedCallable() { |
292 |
int N = 10000; |
293 |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
294 |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
295 |
try { |
296 |
long startTime = System.currentTimeMillis(); |
297 |
|
298 |
long i = 0; |
299 |
while (tasks.size() < N) { |
300 |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
301 |
i += 10; |
302 |
} |
303 |
|
304 |
int iters = 0; |
305 |
BigInteger sum = BigInteger.ZERO; |
306 |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
307 |
try { |
308 |
++iters; |
309 |
sum = sum.add(it.next().call()); |
310 |
} |
311 |
catch (TimeoutException success) { |
312 |
assertTrue(iters > 0); |
313 |
return; |
314 |
} |
315 |
catch (Exception e) { |
316 |
unexpectedException(); |
317 |
} |
318 |
} |
319 |
// if by chance we didn't ever time out, total time must be small |
320 |
long elapsed = System.currentTimeMillis() - startTime; |
321 |
assertTrue(elapsed < N); |
322 |
} |
323 |
finally { |
324 |
joinPool(executor); |
325 |
} |
326 |
} |
327 |
|
328 |
|
329 |
/** |
330 |
* ThreadPoolExecutor using defaultThreadFactory has |
331 |
* specified group, priority, daemon status, and name |
332 |
*/ |
333 |
public void testDefaultThreadFactory() { |
334 |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
335 |
Runnable r = new Runnable() { |
336 |
public void run() { |
337 |
try { |
338 |
Thread current = Thread.currentThread(); |
339 |
threadAssertTrue(!current.isDaemon()); |
340 |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
341 |
ThreadGroup g = current.getThreadGroup(); |
342 |
SecurityManager s = System.getSecurityManager(); |
343 |
if (s != null) |
344 |
threadAssertTrue(g == s.getThreadGroup()); |
345 |
else |
346 |
threadAssertTrue(g == egroup); |
347 |
String name = current.getName(); |
348 |
threadAssertTrue(name.endsWith("thread-1")); |
349 |
} catch (SecurityException ok) { |
350 |
// Also pass if not allowed to change setting |
351 |
} |
352 |
} |
353 |
}; |
354 |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
355 |
|
356 |
e.execute(r); |
357 |
try { |
358 |
e.shutdown(); |
359 |
} catch(SecurityException ok) { |
360 |
} |
361 |
|
362 |
try { |
363 |
Thread.sleep(SHORT_DELAY_MS); |
364 |
} catch (Exception eX) { |
365 |
unexpectedException(); |
366 |
} finally { |
367 |
joinPool(e); |
368 |
} |
369 |
} |
370 |
|
371 |
/** |
372 |
* ThreadPoolExecutor using privilegedThreadFactory has |
373 |
* specified group, priority, daemon status, name, |
374 |
* access control context and context class loader |
375 |
*/ |
376 |
public void testPrivilegedThreadFactory() { |
377 |
Policy savedPolicy = null; |
378 |
try { |
379 |
savedPolicy = Policy.getPolicy(); |
380 |
AdjustablePolicy policy = new AdjustablePolicy(); |
381 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
382 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
383 |
Policy.setPolicy(policy); |
384 |
} catch (AccessControlException ok) { |
385 |
return; |
386 |
} |
387 |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
388 |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
389 |
final AccessControlContext thisacc = AccessController.getContext(); |
390 |
Runnable r = new Runnable() { |
391 |
public void run() { |
392 |
try { |
393 |
Thread current = Thread.currentThread(); |
394 |
threadAssertTrue(!current.isDaemon()); |
395 |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
396 |
ThreadGroup g = current.getThreadGroup(); |
397 |
SecurityManager s = System.getSecurityManager(); |
398 |
if (s != null) |
399 |
threadAssertTrue(g == s.getThreadGroup()); |
400 |
else |
401 |
threadAssertTrue(g == egroup); |
402 |
String name = current.getName(); |
403 |
threadAssertTrue(name.endsWith("thread-1")); |
404 |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
405 |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
406 |
} catch(SecurityException ok) { |
407 |
// Also pass if not allowed to change settings |
408 |
} |
409 |
} |
410 |
}; |
411 |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
412 |
|
413 |
Policy.setPolicy(savedPolicy); |
414 |
e.execute(r); |
415 |
try { |
416 |
e.shutdown(); |
417 |
} catch(SecurityException ok) { |
418 |
} |
419 |
try { |
420 |
Thread.sleep(SHORT_DELAY_MS); |
421 |
} catch (Exception ex) { |
422 |
unexpectedException(); |
423 |
} finally { |
424 |
joinPool(e); |
425 |
} |
426 |
|
427 |
} |
428 |
|
429 |
void checkCCL() { |
430 |
AccessController.getContext().checkPermission(new RuntimePermission("getContextClassLoader")); |
431 |
} |
432 |
|
433 |
class CheckCCL implements Callable<Object> { |
434 |
public Object call() { |
435 |
checkCCL(); |
436 |
return null; |
437 |
} |
438 |
} |
439 |
|
440 |
|
441 |
/** |
442 |
* Without class loader permissions, creating |
443 |
* privilegedCallableUsingCurrentClassLoader throws ACE |
444 |
*/ |
445 |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
446 |
Policy savedPolicy = null; |
447 |
try { |
448 |
savedPolicy = Policy.getPolicy(); |
449 |
AdjustablePolicy policy = new AdjustablePolicy(); |
450 |
Policy.setPolicy(policy); |
451 |
} catch (AccessControlException ok) { |
452 |
return; |
453 |
} |
454 |
|
455 |
// Check if program still has too many permissions to run test |
456 |
try { |
457 |
checkCCL(); |
458 |
// too many privileges to test; so return |
459 |
Policy.setPolicy(savedPolicy); |
460 |
return; |
461 |
} catch(AccessControlException ok) { |
462 |
} |
463 |
|
464 |
try { |
465 |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
466 |
shouldThrow(); |
467 |
} catch(AccessControlException success) { |
468 |
} catch(Exception ex) { |
469 |
unexpectedException(); |
470 |
} |
471 |
finally { |
472 |
Policy.setPolicy(savedPolicy); |
473 |
} |
474 |
} |
475 |
|
476 |
/** |
477 |
* With class loader permissions, calling |
478 |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
479 |
*/ |
480 |
public void testprivilegedCallableUsingCCLWithPrivs() { |
481 |
Policy savedPolicy = null; |
482 |
try { |
483 |
savedPolicy = Policy.getPolicy(); |
484 |
AdjustablePolicy policy = new AdjustablePolicy(); |
485 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
486 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
487 |
Policy.setPolicy(policy); |
488 |
} catch (AccessControlException ok) { |
489 |
return; |
490 |
} |
491 |
|
492 |
try { |
493 |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
494 |
task.call(); |
495 |
} catch(Exception ex) { |
496 |
unexpectedException(); |
497 |
} |
498 |
finally { |
499 |
Policy.setPolicy(savedPolicy); |
500 |
} |
501 |
} |
502 |
|
503 |
/** |
504 |
* Without permissions, calling privilegedCallable throws ACE |
505 |
*/ |
506 |
public void testprivilegedCallableWithNoPrivs() { |
507 |
Callable task; |
508 |
Policy savedPolicy = null; |
509 |
AdjustablePolicy policy = null; |
510 |
AccessControlContext noprivAcc = null; |
511 |
try { |
512 |
savedPolicy = Policy.getPolicy(); |
513 |
policy = new AdjustablePolicy(); |
514 |
Policy.setPolicy(policy); |
515 |
noprivAcc = AccessController.getContext(); |
516 |
task = Executors.privilegedCallable(new CheckCCL()); |
517 |
Policy.setPolicy(savedPolicy); |
518 |
} catch (AccessControlException ok) { |
519 |
return; // program has too few permissions to set up test |
520 |
} |
521 |
|
522 |
// Make sure that program doesn't have too many permissions |
523 |
try { |
524 |
AccessController.doPrivileged(new PrivilegedAction() { |
525 |
public Object run() { |
526 |
checkCCL(); |
527 |
return null; |
528 |
}}, noprivAcc); |
529 |
// too many permssions; skip test |
530 |
return; |
531 |
} catch(AccessControlException ok) { |
532 |
} |
533 |
|
534 |
try { |
535 |
task.call(); |
536 |
shouldThrow(); |
537 |
} catch(AccessControlException success) { |
538 |
} catch(Exception ex) { |
539 |
unexpectedException(); |
540 |
} |
541 |
} |
542 |
|
543 |
/** |
544 |
* With permissions, calling privilegedCallable succeeds |
545 |
*/ |
546 |
public void testprivilegedCallableWithPrivs() { |
547 |
Policy savedPolicy = null; |
548 |
try { |
549 |
savedPolicy = Policy.getPolicy(); |
550 |
AdjustablePolicy policy = new AdjustablePolicy(); |
551 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
552 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
553 |
Policy.setPolicy(policy); |
554 |
} catch (AccessControlException ok) { |
555 |
return; |
556 |
} |
557 |
|
558 |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
559 |
try { |
560 |
task.call(); |
561 |
} catch(Exception ex) { |
562 |
unexpectedException(); |
563 |
} finally { |
564 |
Policy.setPolicy(savedPolicy); |
565 |
} |
566 |
} |
567 |
|
568 |
/** |
569 |
* callable(Runnable) returns null when called |
570 |
*/ |
571 |
public void testCallable1() { |
572 |
try { |
573 |
Callable c = Executors.callable(new NoOpRunnable()); |
574 |
assertNull(c.call()); |
575 |
} catch(Exception ex) { |
576 |
unexpectedException(); |
577 |
} |
578 |
|
579 |
} |
580 |
|
581 |
/** |
582 |
* callable(Runnable, result) returns result when called |
583 |
*/ |
584 |
public void testCallable2() { |
585 |
try { |
586 |
Callable c = Executors.callable(new NoOpRunnable(), one); |
587 |
assertEquals(one, c.call()); |
588 |
} catch(Exception ex) { |
589 |
unexpectedException(); |
590 |
} |
591 |
} |
592 |
|
593 |
/** |
594 |
* callable(PrivilegedAction) returns its result when called |
595 |
*/ |
596 |
public void testCallable3() { |
597 |
try { |
598 |
Callable c = Executors.callable(new PrivilegedAction() { |
599 |
public Object run() { return one; }}); |
600 |
assertEquals(one, c.call()); |
601 |
} catch(Exception ex) { |
602 |
unexpectedException(); |
603 |
} |
604 |
} |
605 |
|
606 |
/** |
607 |
* callable(PrivilegedExceptionAction) returns its result when called |
608 |
*/ |
609 |
public void testCallable4() { |
610 |
try { |
611 |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
612 |
public Object run() { return one; }}); |
613 |
assertEquals(one, c.call()); |
614 |
} catch(Exception ex) { |
615 |
unexpectedException(); |
616 |
} |
617 |
} |
618 |
|
619 |
|
620 |
/** |
621 |
* callable(null Runnable) throws NPE |
622 |
*/ |
623 |
public void testCallableNPE1() { |
624 |
try { |
625 |
Runnable r = null; |
626 |
Callable c = Executors.callable(r); |
627 |
} catch (NullPointerException success) { |
628 |
} |
629 |
} |
630 |
|
631 |
/** |
632 |
* callable(null, result) throws NPE |
633 |
*/ |
634 |
public void testCallableNPE2() { |
635 |
try { |
636 |
Runnable r = null; |
637 |
Callable c = Executors.callable(r, one); |
638 |
} catch (NullPointerException success) { |
639 |
} |
640 |
} |
641 |
|
642 |
/** |
643 |
* callable(null PrivilegedAction) throws NPE |
644 |
*/ |
645 |
public void testCallableNPE3() { |
646 |
try { |
647 |
PrivilegedAction r = null; |
648 |
Callable c = Executors.callable(r); |
649 |
} catch (NullPointerException success) { |
650 |
} |
651 |
} |
652 |
|
653 |
/** |
654 |
* callable(null PrivilegedExceptionAction) throws NPE |
655 |
*/ |
656 |
public void testCallableNPE4() { |
657 |
try { |
658 |
PrivilegedExceptionAction r = null; |
659 |
Callable c = Executors.callable(r); |
660 |
} catch (NullPointerException success) { |
661 |
} |
662 |
} |
663 |
|
664 |
|
665 |
} |