1 |
|
/* |
2 |
< |
* Written by members of JCP JSR-166 Expert Group and released to the |
3 |
< |
* public domain. Use, modify, and redistribute this code in any way |
4 |
< |
* without acknowledgement. Other contributors include Andrew Wright, |
5 |
< |
* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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 |
|
|
13 |
|
import java.math.BigInteger; |
14 |
|
import java.security.*; |
15 |
|
|
16 |
< |
public class ExecutorsTest extends JSR166TestCase{ |
16 |
> |
public class ExecutorsTest extends JSR166TestCase { |
17 |
|
public static void main(String[] args) { |
18 |
< |
junit.textui.TestRunner.run (suite()); |
18 |
> |
junit.textui.TestRunner.run (suite()); |
19 |
|
} |
20 |
|
public static Test suite() { |
21 |
< |
return new TestSuite(ExecutorsTest.class); |
21 |
< |
} |
22 |
< |
|
23 |
< |
private static final String TEST_STRING = "a test string"; |
24 |
< |
|
25 |
< |
private static class StringTask implements Callable<String> { |
26 |
< |
public String call() { return TEST_STRING; } |
27 |
< |
} |
28 |
< |
|
29 |
< |
static class DirectExecutor implements Executor { |
30 |
< |
public void execute(Runnable r) { |
31 |
< |
r.run(); |
32 |
< |
} |
21 |
> |
return new TestSuite(ExecutorsTest.class); |
22 |
|
} |
23 |
|
|
24 |
|
static class TimedCallable<T> implements Callable<T> { |
25 |
< |
private final Executor exec; |
25 |
> |
private final ExecutorService exec; |
26 |
|
private final Callable<T> func; |
27 |
|
private final long msecs; |
28 |
< |
|
29 |
< |
TimedCallable(Executor exec, Callable<T> func, long msecs) { |
28 |
> |
|
29 |
> |
TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
30 |
|
this.exec = exec; |
31 |
|
this.func = func; |
32 |
|
this.msecs = msecs; |
33 |
|
} |
34 |
< |
|
34 |
> |
|
35 |
|
public T call() throws Exception { |
36 |
< |
Future<T> ftask = Executors.execute(exec, func); |
36 |
> |
Future<T> ftask = exec.submit(func); |
37 |
|
try { |
38 |
|
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
39 |
|
} finally { |
69 |
|
e.execute(new NoOpRunnable()); |
70 |
|
e.execute(new NoOpRunnable()); |
71 |
|
e.execute(new NoOpRunnable()); |
72 |
< |
e.shutdown(); |
72 |
> |
joinPool(e); |
73 |
|
} |
74 |
|
|
75 |
|
/** |
80 |
|
e.execute(new NoOpRunnable()); |
81 |
|
e.execute(new NoOpRunnable()); |
82 |
|
e.execute(new NoOpRunnable()); |
83 |
< |
e.shutdown(); |
83 |
> |
joinPool(e); |
84 |
|
} |
85 |
|
|
86 |
|
/** |
91 |
|
ExecutorService e = Executors.newCachedThreadPool(null); |
92 |
|
shouldThrow(); |
93 |
|
} |
94 |
< |
catch(NullPointerException success) { |
94 |
> |
catch (NullPointerException success) { |
95 |
|
} |
96 |
|
} |
97 |
|
|
104 |
|
e.execute(new NoOpRunnable()); |
105 |
|
e.execute(new NoOpRunnable()); |
106 |
|
e.execute(new NoOpRunnable()); |
107 |
< |
e.shutdown(); |
107 |
> |
joinPool(e); |
108 |
|
} |
109 |
|
|
110 |
|
/** |
115 |
|
e.execute(new NoOpRunnable()); |
116 |
|
e.execute(new NoOpRunnable()); |
117 |
|
e.execute(new NoOpRunnable()); |
118 |
< |
e.shutdown(); |
118 |
> |
joinPool(e); |
119 |
|
} |
120 |
|
|
121 |
|
/** |
126 |
|
ExecutorService e = Executors.newSingleThreadExecutor(null); |
127 |
|
shouldThrow(); |
128 |
|
} |
129 |
< |
catch(NullPointerException success) { |
129 |
> |
catch (NullPointerException success) { |
130 |
|
} |
131 |
|
} |
132 |
|
|
133 |
|
/** |
134 |
+ |
* A new SingleThreadExecutor cannot be casted to concrete implementation |
135 |
+ |
*/ |
136 |
+ |
public void testCastNewSingleThreadExecutor() { |
137 |
+ |
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() { |
152 |
|
e.execute(new NoOpRunnable()); |
153 |
|
e.execute(new NoOpRunnable()); |
154 |
|
e.execute(new NoOpRunnable()); |
155 |
< |
e.shutdown(); |
155 |
> |
joinPool(e); |
156 |
|
} |
157 |
|
|
158 |
|
/** |
163 |
|
e.execute(new NoOpRunnable()); |
164 |
|
e.execute(new NoOpRunnable()); |
165 |
|
e.execute(new NoOpRunnable()); |
166 |
< |
e.shutdown(); |
166 |
> |
joinPool(e); |
167 |
|
} |
168 |
|
|
169 |
|
/** |
174 |
|
ExecutorService e = Executors.newFixedThreadPool(2, null); |
175 |
|
shouldThrow(); |
176 |
|
} |
177 |
< |
catch(NullPointerException success) { |
177 |
> |
catch (NullPointerException success) { |
178 |
|
} |
179 |
|
} |
180 |
|
|
186 |
|
ExecutorService e = Executors.newFixedThreadPool(0); |
187 |
|
shouldThrow(); |
188 |
|
} |
189 |
< |
catch(IllegalArgumentException success) { |
189 |
> |
catch (IllegalArgumentException success) { |
190 |
|
} |
191 |
|
} |
192 |
|
|
193 |
+ |
|
194 |
|
/** |
195 |
< |
* execute of runnable runs it to completion |
195 |
> |
* An unconfigurable newFixedThreadPool can execute runnables |
196 |
|
*/ |
197 |
< |
public void testExecuteRunnable() { |
198 |
< |
try { |
199 |
< |
Executor e = new DirectExecutor(); |
200 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
201 |
< |
assertFalse(task.done); |
202 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
199 |
< |
String result = future.get(); |
200 |
< |
assertTrue(task.done); |
201 |
< |
assertSame(TEST_STRING, result); |
202 |
< |
} |
203 |
< |
catch (ExecutionException ex) { |
204 |
< |
unexpectedException(); |
205 |
< |
} |
206 |
< |
catch (InterruptedException ex) { |
207 |
< |
unexpectedException(); |
208 |
< |
} |
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 |
< |
* invoke of a runnable runs it to completion |
206 |
> |
* unconfigurableExecutorService(null) throws NPE |
207 |
|
*/ |
208 |
< |
public void testInvokeRunnable() { |
208 |
> |
public void testunconfigurableExecutorServiceNPE() { |
209 |
|
try { |
210 |
< |
Executor e = new DirectExecutor(); |
217 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
218 |
< |
assertFalse(task.done); |
219 |
< |
Executors.invoke(e, task); |
220 |
< |
assertTrue(task.done); |
210 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
211 |
|
} |
212 |
< |
catch (ExecutionException ex) { |
223 |
< |
unexpectedException(); |
224 |
< |
} |
225 |
< |
catch (InterruptedException ex) { |
226 |
< |
unexpectedException(); |
212 |
> |
catch (NullPointerException success) { |
213 |
|
} |
214 |
|
} |
215 |
|
|
216 |
|
/** |
217 |
< |
* execute of a callable runs it to completion |
217 |
> |
* unconfigurableScheduledExecutorService(null) throws NPE |
218 |
|
*/ |
219 |
< |
public void testExecuteCallable() { |
219 |
> |
public void testunconfigurableScheduledExecutorServiceNPE() { |
220 |
|
try { |
221 |
< |
Executor e = new DirectExecutor(); |
236 |
< |
Future<String> future = Executors.execute(e, new StringTask()); |
237 |
< |
String result = future.get(); |
238 |
< |
assertSame(TEST_STRING, result); |
221 |
> |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
222 |
|
} |
223 |
< |
catch (ExecutionException ex) { |
241 |
< |
unexpectedException(); |
242 |
< |
} |
243 |
< |
catch (InterruptedException ex) { |
244 |
< |
unexpectedException(); |
223 |
> |
catch (NullPointerException success) { |
224 |
|
} |
225 |
|
} |
226 |
|
|
227 |
|
|
228 |
|
/** |
229 |
< |
* execute of a privileged action runs it to completion |
229 |
> |
* a newSingleThreadScheduledExecutor successfully runs delayed task |
230 |
|
*/ |
231 |
< |
public void testExecutePrivilegedAction() { |
232 |
< |
Policy savedPolicy = Policy.getPolicy(); |
233 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
234 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
235 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
236 |
< |
Policy.setPolicy(policy); |
237 |
< |
try { |
238 |
< |
Executor e = new DirectExecutor(); |
239 |
< |
Future future = Executors.execute(e, new PrivilegedAction() { |
240 |
< |
public Object run() { |
241 |
< |
return TEST_STRING; |
242 |
< |
}}); |
243 |
< |
|
265 |
< |
Object result = future.get(); |
266 |
< |
assertSame(TEST_STRING, result); |
267 |
< |
} |
268 |
< |
catch (ExecutionException ex) { |
269 |
< |
unexpectedException(); |
270 |
< |
} |
271 |
< |
catch (InterruptedException ex) { |
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 |
|
} |
274 |
– |
finally { |
275 |
– |
Policy.setPolicy(savedPolicy); |
276 |
– |
} |
246 |
|
} |
247 |
|
|
248 |
|
/** |
249 |
< |
* execute of a privileged exception action runs it to completion |
249 |
> |
* a newScheduledThreadPool successfully runs delayed task |
250 |
|
*/ |
251 |
< |
public void testExecutePrivilegedExceptionAction() { |
252 |
< |
Policy savedPolicy = Policy.getPolicy(); |
253 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
254 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
255 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
256 |
< |
Policy.setPolicy(policy); |
257 |
< |
try { |
258 |
< |
Executor e = new DirectExecutor(); |
259 |
< |
Future future = Executors.execute(e, new PrivilegedExceptionAction() { |
260 |
< |
public Object run() { |
261 |
< |
return TEST_STRING; |
262 |
< |
}}); |
263 |
< |
|
295 |
< |
Object result = future.get(); |
296 |
< |
assertSame(TEST_STRING, result); |
297 |
< |
} |
298 |
< |
catch (ExecutionException ex) { |
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 |
< |
catch (InterruptedException ex) { |
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 |
|
} |
304 |
– |
finally { |
305 |
– |
Policy.setPolicy(savedPolicy); |
306 |
– |
} |
286 |
|
} |
287 |
|
|
288 |
|
/** |
289 |
< |
* execute of a failed privileged exception action reports exception |
289 |
> |
* timeouts from execute will time out if they compute too long. |
290 |
|
*/ |
291 |
< |
public void testExecuteFailedPrivilegedExceptionAction() { |
292 |
< |
Policy savedPolicy = Policy.getPolicy(); |
293 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
294 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
316 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
317 |
< |
Policy.setPolicy(policy); |
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 |
< |
Executor e = new DirectExecutor(); |
320 |
< |
Future future = Executors.execute(e, new PrivilegedExceptionAction() { |
321 |
< |
public Object run() throws Exception { |
322 |
< |
throw new IndexOutOfBoundsException(); |
323 |
< |
}}); |
296 |
> |
long startTime = System.currentTimeMillis(); |
297 |
|
|
298 |
< |
Object result = future.get(); |
299 |
< |
shouldThrow(); |
300 |
< |
} |
301 |
< |
catch (ExecutionException success) { |
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 |
< |
catch (InterruptedException ex) { |
324 |
< |
unexpectedException(); |
323 |
> |
finally { |
324 |
> |
joinPool(executor); |
325 |
|
} |
333 |
– |
finally { |
334 |
– |
Policy.setPolicy(savedPolicy); |
335 |
– |
} |
326 |
|
} |
327 |
|
|
328 |
+ |
|
329 |
|
/** |
330 |
< |
* invoke of a collable runs it to completion |
330 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
331 |
> |
* specified group, priority, daemon status, and name |
332 |
|
*/ |
333 |
< |
public void testInvokeCallable() { |
334 |
< |
try { |
335 |
< |
Executor e = new DirectExecutor(); |
336 |
< |
String result = Executors.invoke(e, new StringTask()); |
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 |
< |
assertSame(TEST_STRING, result); |
357 |
< |
} |
358 |
< |
catch (ExecutionException ex) { |
359 |
< |
unexpectedException(); |
356 |
> |
e.execute(r); |
357 |
> |
try { |
358 |
> |
e.shutdown(); |
359 |
> |
} catch (SecurityException ok) { |
360 |
|
} |
361 |
< |
catch (InterruptedException ex) { |
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 |
< |
* execute with null executor throws NPE |
372 |
> |
* ThreadPoolExecutor using privilegedThreadFactory has |
373 |
> |
* specified group, priority, daemon status, name, |
374 |
> |
* access control context and context class loader |
375 |
|
*/ |
376 |
< |
public void testNullExecuteRunnable() { |
376 |
> |
public void testPrivilegedThreadFactory() { |
377 |
> |
Policy savedPolicy = null; |
378 |
|
try { |
379 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
380 |
< |
assertFalse(task.done); |
381 |
< |
Future<String> future = Executors.execute(null, task, TEST_STRING); |
382 |
< |
shouldThrow(); |
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 |
< |
catch (NullPointerException success) { |
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 |
< |
catch (Exception ex) { |
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 |
+ |
SecurityManager sm = System.getSecurityManager(); |
431 |
+ |
if (sm != null) { |
432 |
+ |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
433 |
+ |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
434 |
|
} |
435 |
|
} |
436 |
|
|
437 |
+ |
class CheckCCL implements Callable<Object> { |
438 |
+ |
public Object call() { |
439 |
+ |
checkCCL(); |
440 |
+ |
return null; |
441 |
+ |
} |
442 |
+ |
} |
443 |
+ |
|
444 |
+ |
|
445 |
|
/** |
446 |
< |
* execute with a null runnable throws NPE |
446 |
> |
* Without class loader permissions, creating |
447 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
448 |
|
*/ |
449 |
< |
public void testExecuteNullRunnable() { |
449 |
> |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
450 |
> |
Policy savedPolicy = null; |
451 |
|
try { |
452 |
< |
Executor e = new DirectExecutor(); |
453 |
< |
TrackedShortRunnable task = null; |
454 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
455 |
< |
shouldThrow(); |
452 |
> |
savedPolicy = Policy.getPolicy(); |
453 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
454 |
> |
Policy.setPolicy(policy); |
455 |
> |
} catch (AccessControlException ok) { |
456 |
> |
return; |
457 |
|
} |
458 |
< |
catch (NullPointerException success) { |
458 |
> |
|
459 |
> |
// Check if program still has too many permissions to run test |
460 |
> |
try { |
461 |
> |
checkCCL(); |
462 |
> |
// too many privileges to test; so return |
463 |
> |
Policy.setPolicy(savedPolicy); |
464 |
> |
return; |
465 |
> |
} catch (AccessControlException ok) { |
466 |
|
} |
467 |
< |
catch (Exception ex) { |
467 |
> |
|
468 |
> |
try { |
469 |
> |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
470 |
> |
shouldThrow(); |
471 |
> |
} catch (AccessControlException success) { |
472 |
> |
} catch (Exception ex) { |
473 |
|
unexpectedException(); |
474 |
|
} |
475 |
+ |
finally { |
476 |
+ |
Policy.setPolicy(savedPolicy); |
477 |
+ |
} |
478 |
|
} |
479 |
|
|
480 |
|
/** |
481 |
< |
* invoke of a null runnable throws NPE |
481 |
> |
* With class loader permissions, calling |
482 |
> |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
483 |
|
*/ |
484 |
< |
public void testInvokeNullRunnable() { |
484 |
> |
public void testprivilegedCallableUsingCCLWithPrivs() { |
485 |
> |
Policy savedPolicy = null; |
486 |
|
try { |
487 |
< |
Executor e = new DirectExecutor(); |
488 |
< |
TrackedShortRunnable task = null; |
489 |
< |
Executors.invoke(e, task); |
490 |
< |
shouldThrow(); |
487 |
> |
savedPolicy = Policy.getPolicy(); |
488 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
489 |
> |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
490 |
> |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
491 |
> |
Policy.setPolicy(policy); |
492 |
> |
} catch (AccessControlException ok) { |
493 |
> |
return; |
494 |
|
} |
495 |
< |
catch (NullPointerException success) { |
496 |
< |
} |
497 |
< |
catch (Exception ex) { |
495 |
> |
|
496 |
> |
try { |
497 |
> |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
498 |
> |
task.call(); |
499 |
> |
} catch (Exception ex) { |
500 |
|
unexpectedException(); |
501 |
|
} |
502 |
+ |
finally { |
503 |
+ |
Policy.setPolicy(savedPolicy); |
504 |
+ |
} |
505 |
|
} |
506 |
|
|
507 |
|
/** |
508 |
< |
* execute of a null callable throws NPE |
508 |
> |
* Without permissions, calling privilegedCallable throws ACE |
509 |
|
*/ |
510 |
< |
public void testExecuteNullCallable() { |
510 |
> |
public void testprivilegedCallableWithNoPrivs() { |
511 |
> |
Callable task; |
512 |
> |
Policy savedPolicy = null; |
513 |
> |
AdjustablePolicy policy = null; |
514 |
> |
AccessControlContext noprivAcc = null; |
515 |
|
try { |
516 |
< |
Executor e = new DirectExecutor(); |
517 |
< |
StringTask t = null; |
518 |
< |
Future<String> future = Executors.execute(e, t); |
519 |
< |
shouldThrow(); |
516 |
> |
savedPolicy = Policy.getPolicy(); |
517 |
> |
policy = new AdjustablePolicy(); |
518 |
> |
Policy.setPolicy(policy); |
519 |
> |
noprivAcc = AccessController.getContext(); |
520 |
> |
task = Executors.privilegedCallable(new CheckCCL()); |
521 |
> |
Policy.setPolicy(savedPolicy); |
522 |
> |
} catch (AccessControlException ok) { |
523 |
> |
return; // program has too few permissions to set up test |
524 |
|
} |
525 |
< |
catch (NullPointerException success) { |
525 |
> |
|
526 |
> |
// Make sure that program doesn't have too many permissions |
527 |
> |
try { |
528 |
> |
AccessController.doPrivileged(new PrivilegedAction() { |
529 |
> |
public Object run() { |
530 |
> |
checkCCL(); |
531 |
> |
return null; |
532 |
> |
}}, noprivAcc); |
533 |
> |
// too many permssions; skip test |
534 |
> |
return; |
535 |
> |
} catch (AccessControlException ok) { |
536 |
|
} |
537 |
< |
catch (Exception ex) { |
537 |
> |
|
538 |
> |
try { |
539 |
> |
task.call(); |
540 |
> |
shouldThrow(); |
541 |
> |
} catch (AccessControlException success) { |
542 |
> |
} catch (Exception ex) { |
543 |
|
unexpectedException(); |
544 |
|
} |
545 |
|
} |
546 |
|
|
547 |
|
/** |
548 |
< |
* invoke of a null callable throws NPE |
548 |
> |
* With permissions, calling privilegedCallable succeeds |
549 |
|
*/ |
550 |
< |
public void testInvokeNullCallable() { |
550 |
> |
public void testprivilegedCallableWithPrivs() { |
551 |
> |
Policy savedPolicy = null; |
552 |
|
try { |
553 |
< |
Executor e = new DirectExecutor(); |
554 |
< |
StringTask t = null; |
555 |
< |
String result = Executors.invoke(e, t); |
556 |
< |
shouldThrow(); |
553 |
> |
savedPolicy = Policy.getPolicy(); |
554 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
555 |
> |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
556 |
> |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
557 |
> |
Policy.setPolicy(policy); |
558 |
> |
} catch (AccessControlException ok) { |
559 |
> |
return; |
560 |
|
} |
561 |
< |
catch (NullPointerException success) { |
562 |
< |
} |
563 |
< |
catch (Exception ex) { |
561 |
> |
|
562 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
563 |
> |
try { |
564 |
> |
task.call(); |
565 |
> |
} catch (Exception ex) { |
566 |
|
unexpectedException(); |
567 |
+ |
} finally { |
568 |
+ |
Policy.setPolicy(savedPolicy); |
569 |
|
} |
570 |
|
} |
571 |
|
|
572 |
|
/** |
573 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
443 |
< |
* if saturated. |
573 |
> |
* callable(Runnable) returns null when called |
574 |
|
*/ |
575 |
< |
public void testExecute1() { |
446 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
575 |
> |
public void testCallable1() { |
576 |
|
try { |
577 |
< |
|
578 |
< |
for(int i = 0; i < 5; ++i){ |
579 |
< |
Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
580 |
< |
} |
581 |
< |
shouldThrow(); |
582 |
< |
} catch(RejectedExecutionException success){} |
454 |
< |
joinPool(p); |
577 |
> |
Callable c = Executors.callable(new NoOpRunnable()); |
578 |
> |
assertNull(c.call()); |
579 |
> |
} catch (Exception ex) { |
580 |
> |
unexpectedException(); |
581 |
> |
} |
582 |
> |
|
583 |
|
} |
584 |
|
|
585 |
|
/** |
586 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
459 |
< |
* if saturated. |
586 |
> |
* callable(Runnable, result) returns result when called |
587 |
|
*/ |
588 |
< |
public void testExecute2() { |
462 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
588 |
> |
public void testCallable2() { |
589 |
|
try { |
590 |
< |
for(int i = 0; i < 5; ++i) { |
591 |
< |
Executors.execute(p, new SmallCallable()); |
592 |
< |
} |
593 |
< |
shouldThrow(); |
594 |
< |
} catch(RejectedExecutionException e){} |
469 |
< |
joinPool(p); |
590 |
> |
Callable c = Executors.callable(new NoOpRunnable(), one); |
591 |
> |
assertEquals(one, c.call()); |
592 |
> |
} catch (Exception ex) { |
593 |
> |
unexpectedException(); |
594 |
> |
} |
595 |
|
} |
596 |
|
|
472 |
– |
|
597 |
|
/** |
598 |
< |
* invoke(Executor, Runnable) throws InterruptedException if |
475 |
< |
* caller interrupted. |
598 |
> |
* callable(PrivilegedAction) returns its result when called |
599 |
|
*/ |
600 |
< |
public void testInterruptedInvoke() { |
478 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
479 |
< |
Thread t = new Thread(new Runnable() { |
480 |
< |
public void run() { |
481 |
< |
try { |
482 |
< |
Executors.invoke(p,new Runnable() { |
483 |
< |
public void run() { |
484 |
< |
try { |
485 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
486 |
< |
shouldThrow(); |
487 |
< |
} catch(InterruptedException e){ |
488 |
< |
} |
489 |
< |
} |
490 |
< |
}); |
491 |
< |
} catch(InterruptedException success){ |
492 |
< |
} catch(Exception e) { |
493 |
< |
unexpectedException(); |
494 |
< |
} |
495 |
< |
|
496 |
< |
} |
497 |
< |
}); |
600 |
> |
public void testCallable3() { |
601 |
|
try { |
602 |
< |
t.start(); |
603 |
< |
Thread.sleep(SHORT_DELAY_MS); |
604 |
< |
t.interrupt(); |
605 |
< |
} catch(Exception e){ |
602 |
> |
Callable c = Executors.callable(new PrivilegedAction() { |
603 |
> |
public Object run() { return one; }}); |
604 |
> |
assertEquals(one, c.call()); |
605 |
> |
} catch (Exception ex) { |
606 |
|
unexpectedException(); |
607 |
|
} |
505 |
– |
joinPool(p); |
608 |
|
} |
609 |
|
|
610 |
|
/** |
611 |
< |
* invoke(Executor, Runnable) throws ExecutionException if |
510 |
< |
* runnable throws exception. |
611 |
> |
* callable(PrivilegedExceptionAction) returns its result when called |
612 |
|
*/ |
613 |
< |
public void testInvoke3() { |
513 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
613 |
> |
public void testCallable4() { |
614 |
|
try { |
615 |
< |
Runnable r = new Runnable() { |
616 |
< |
public void run() { |
617 |
< |
int i = 5/0; |
618 |
< |
} |
519 |
< |
}; |
520 |
< |
|
521 |
< |
for(int i =0; i < 5; i++){ |
522 |
< |
Executors.invoke(p,r); |
523 |
< |
} |
524 |
< |
|
525 |
< |
shouldThrow(); |
526 |
< |
} catch(ExecutionException success){ |
527 |
< |
} catch(Exception e){ |
615 |
> |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
616 |
> |
public Object run() { return one; }}); |
617 |
> |
assertEquals(one, c.call()); |
618 |
> |
} catch (Exception ex) { |
619 |
|
unexpectedException(); |
620 |
|
} |
530 |
– |
joinPool(p); |
621 |
|
} |
622 |
|
|
623 |
|
|
534 |
– |
|
624 |
|
/** |
625 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
537 |
< |
* callable throws exception |
625 |
> |
* callable(null Runnable) throws NPE |
626 |
|
*/ |
627 |
< |
public void testInvoke5() { |
540 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
541 |
< |
|
542 |
< |
final Callable c = new Callable() { |
543 |
< |
public Object call() { |
544 |
< |
try { |
545 |
< |
Executors.invoke(p, new SmallCallable()); |
546 |
< |
shouldThrow(); |
547 |
< |
} catch(InterruptedException e){} |
548 |
< |
catch(RejectedExecutionException e2){} |
549 |
< |
catch(ExecutionException e3){} |
550 |
< |
return Boolean.TRUE; |
551 |
< |
} |
552 |
< |
}; |
553 |
< |
|
554 |
< |
|
555 |
< |
|
556 |
< |
Thread t = new Thread(new Runnable() { |
557 |
< |
public void run() { |
558 |
< |
try { |
559 |
< |
c.call(); |
560 |
< |
} catch(Exception e){} |
561 |
< |
} |
562 |
< |
}); |
627 |
> |
public void testCallableNPE1() { |
628 |
|
try { |
629 |
< |
t.start(); |
630 |
< |
Thread.sleep(SHORT_DELAY_MS); |
631 |
< |
t.interrupt(); |
567 |
< |
t.join(); |
568 |
< |
} catch(InterruptedException e){ |
569 |
< |
unexpectedException(); |
629 |
> |
Runnable r = null; |
630 |
> |
Callable c = Executors.callable(r); |
631 |
> |
} catch (NullPointerException success) { |
632 |
|
} |
571 |
– |
|
572 |
– |
joinPool(p); |
633 |
|
} |
634 |
|
|
635 |
|
/** |
636 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
577 |
< |
* if callable throws exception |
636 |
> |
* callable(null, result) throws NPE |
637 |
|
*/ |
638 |
< |
public void testInvoke6() { |
580 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
581 |
< |
|
638 |
> |
public void testCallableNPE2() { |
639 |
|
try { |
640 |
< |
Callable c = new Callable() { |
641 |
< |
public Object call() { |
642 |
< |
int i = 5/0; |
586 |
< |
return Boolean.TRUE; |
587 |
< |
} |
588 |
< |
}; |
589 |
< |
|
590 |
< |
for(int i =0; i < 5; i++){ |
591 |
< |
Executors.invoke(p,c); |
592 |
< |
} |
593 |
< |
|
594 |
< |
shouldThrow(); |
595 |
< |
} |
596 |
< |
catch(ExecutionException success){ |
597 |
< |
} catch(Exception e) { |
598 |
< |
unexpectedException(); |
640 |
> |
Runnable r = null; |
641 |
> |
Callable c = Executors.callable(r, one); |
642 |
> |
} catch (NullPointerException success) { |
643 |
|
} |
600 |
– |
joinPool(p); |
644 |
|
} |
645 |
|
|
603 |
– |
|
604 |
– |
|
646 |
|
/** |
647 |
< |
* timeouts from execute will time out if they compute too long. |
647 |
> |
* callable(null PrivilegedAction) throws NPE |
648 |
|
*/ |
649 |
< |
public void testTimedCallable() { |
609 |
< |
int N = 10000; |
610 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
611 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
649 |
> |
public void testCallableNPE3() { |
650 |
|
try { |
651 |
< |
long startTime = System.currentTimeMillis(); |
652 |
< |
|
653 |
< |
long i = 0; |
616 |
< |
while (tasks.size() < N) { |
617 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
618 |
< |
i += 10; |
619 |
< |
} |
620 |
< |
|
621 |
< |
int iters = 0; |
622 |
< |
BigInteger sum = BigInteger.ZERO; |
623 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
624 |
< |
try { |
625 |
< |
++iters; |
626 |
< |
sum = sum.add(it.next().call()); |
627 |
< |
} |
628 |
< |
catch (TimeoutException success) { |
629 |
< |
assertTrue(iters > 0); |
630 |
< |
return; |
631 |
< |
} |
632 |
< |
catch (Exception e) { |
633 |
< |
unexpectedException(); |
634 |
< |
} |
635 |
< |
} |
636 |
< |
// if by chance we didn't ever time out, total time must be small |
637 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
638 |
< |
assertTrue(elapsed < N); |
639 |
< |
} |
640 |
< |
finally { |
641 |
< |
joinPool(executor); |
651 |
> |
PrivilegedAction r = null; |
652 |
> |
Callable c = Executors.callable(r); |
653 |
> |
} catch (NullPointerException success) { |
654 |
|
} |
655 |
|
} |
656 |
|
|
645 |
– |
|
657 |
|
/** |
658 |
< |
* ThreadPoolExecutor using defaultThreadFactory has |
648 |
< |
* specified group, priority, daemon status, and name |
658 |
> |
* callable(null PrivilegedExceptionAction) throws NPE |
659 |
|
*/ |
660 |
< |
public void testDefaultThreadFactory() { |
661 |
< |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
662 |
< |
Runnable r = new Runnable() { |
663 |
< |
public void run() { |
664 |
< |
Thread current = Thread.currentThread(); |
665 |
< |
threadAssertTrue(!current.isDaemon()); |
656 |
< |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
657 |
< |
ThreadGroup g = current.getThreadGroup(); |
658 |
< |
SecurityManager s = System.getSecurityManager(); |
659 |
< |
if (s != null) |
660 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
661 |
< |
else |
662 |
< |
threadAssertTrue(g == egroup); |
663 |
< |
String name = current.getName(); |
664 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
665 |
< |
} |
666 |
< |
}; |
667 |
< |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
668 |
< |
|
669 |
< |
e.execute(r); |
670 |
< |
e.shutdown(); |
671 |
< |
try { |
672 |
< |
Thread.sleep(SHORT_DELAY_MS); |
673 |
< |
} catch (Exception eX) { |
674 |
< |
unexpectedException(); |
675 |
< |
} finally { |
676 |
< |
joinPool(e); |
677 |
< |
} |
660 |
> |
public void testCallableNPE4() { |
661 |
> |
try { |
662 |
> |
PrivilegedExceptionAction r = null; |
663 |
> |
Callable c = Executors.callable(r); |
664 |
> |
} catch (NullPointerException success) { |
665 |
> |
} |
666 |
|
} |
667 |
|
|
680 |
– |
/** |
681 |
– |
* ThreadPoolExecutor using privilegedThreadFactory has |
682 |
– |
* specified group, priority, daemon status, name, |
683 |
– |
* access control context and context class loader |
684 |
– |
*/ |
685 |
– |
public void testPrivilegedThreadFactory() { |
686 |
– |
Policy savedPolicy = Policy.getPolicy(); |
687 |
– |
AdjustablePolicy policy = new AdjustablePolicy(); |
688 |
– |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
689 |
– |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
690 |
– |
Policy.setPolicy(policy); |
691 |
– |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
692 |
– |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
693 |
– |
final AccessControlContext thisacc = AccessController.getContext(); |
694 |
– |
Runnable r = new Runnable() { |
695 |
– |
public void run() { |
696 |
– |
Thread current = Thread.currentThread(); |
697 |
– |
threadAssertTrue(!current.isDaemon()); |
698 |
– |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
699 |
– |
ThreadGroup g = current.getThreadGroup(); |
700 |
– |
SecurityManager s = System.getSecurityManager(); |
701 |
– |
if (s != null) |
702 |
– |
threadAssertTrue(g == s.getThreadGroup()); |
703 |
– |
else |
704 |
– |
threadAssertTrue(g == egroup); |
705 |
– |
String name = current.getName(); |
706 |
– |
threadAssertTrue(name.endsWith("thread-1")); |
707 |
– |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
708 |
– |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
709 |
– |
} |
710 |
– |
}; |
711 |
– |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
712 |
– |
|
713 |
– |
Policy.setPolicy(savedPolicy); |
714 |
– |
e.execute(r); |
715 |
– |
e.shutdown(); |
716 |
– |
try { |
717 |
– |
Thread.sleep(SHORT_DELAY_MS); |
718 |
– |
} catch (Exception ex) { |
719 |
– |
unexpectedException(); |
720 |
– |
} finally { |
721 |
– |
joinPool(e); |
722 |
– |
} |
723 |
– |
|
724 |
– |
} |
668 |
|
|
669 |
|
} |