| 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 |
| 4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
| 5 |
|
*/ |
| 6 |
|
|
| 7 |
– |
|
| 7 |
|
import junit.framework.*; |
| 8 |
< |
import java.util.*; |
| 9 |
< |
import java.util.concurrent.*; |
| 8 |
> |
import java.util.ArrayList; |
| 9 |
> |
import java.util.Collection; |
| 10 |
> |
import java.util.List; |
| 11 |
> |
import java.util.concurrent.Executors; |
| 12 |
> |
import java.util.concurrent.ExecutorService; |
| 13 |
> |
import java.util.concurrent.AbstractExecutorService; |
| 14 |
> |
import java.util.concurrent.CountDownLatch; |
| 15 |
> |
import java.util.concurrent.Callable; |
| 16 |
> |
import java.util.concurrent.Future; |
| 17 |
> |
import java.util.concurrent.ExecutionException; |
| 18 |
> |
import java.util.concurrent.CancellationException; |
| 19 |
> |
import java.util.concurrent.RejectedExecutionException; |
| 20 |
> |
import java.util.concurrent.ForkJoinPool; |
| 21 |
> |
import java.util.concurrent.ForkJoinTask; |
| 22 |
> |
import java.util.concurrent.ForkJoinWorkerThread; |
| 23 |
> |
import java.util.concurrent.RecursiveTask; |
| 24 |
> |
import java.util.concurrent.TimeUnit; |
| 25 |
> |
import java.util.concurrent.atomic.AtomicBoolean; |
| 26 |
> |
import java.util.concurrent.locks.ReentrantLock; |
| 27 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 28 |
< |
import java.util.concurrent.locks.*; |
| 29 |
< |
import java.security.*; |
| 28 |
> |
import java.security.AccessControlException; |
| 29 |
> |
import java.security.Policy; |
| 30 |
> |
import java.security.PrivilegedAction; |
| 31 |
> |
import java.security.PrivilegedExceptionAction; |
| 32 |
|
|
| 33 |
|
public class ForkJoinPoolTest extends JSR166TestCase { |
| 34 |
|
public static void main(String[] args) { |
| 35 |
< |
junit.textui.TestRunner.run (suite()); |
| 35 |
> |
junit.textui.TestRunner.run(suite()); |
| 36 |
|
} |
| 37 |
+ |
|
| 38 |
|
public static Test suite() { |
| 39 |
|
return new TestSuite(ForkJoinPoolTest.class); |
| 40 |
|
} |
| 58 |
|
// Some classes to test extension and factory methods |
| 59 |
|
|
| 60 |
|
static class MyHandler implements Thread.UncaughtExceptionHandler { |
| 61 |
< |
int catches = 0; |
| 61 |
> |
volatile int catches = 0; |
| 62 |
|
public void uncaughtException(Thread t, Throwable e) { |
| 63 |
|
++catches; |
| 64 |
|
} |
| 67 |
|
// to test handlers |
| 68 |
|
static class FailingFJWSubclass extends ForkJoinWorkerThread { |
| 69 |
|
public FailingFJWSubclass(ForkJoinPool p) { super(p) ; } |
| 70 |
< |
protected void onStart() { throw new Error(); } |
| 70 |
> |
protected void onStart() { super.onStart(); throw new Error(); } |
| 71 |
|
} |
| 72 |
|
|
| 73 |
|
static class FailingThreadFactory |
| 74 |
|
implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
| 75 |
< |
int calls = 0; |
| 75 |
> |
volatile int calls = 0; |
| 76 |
|
public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
| 77 |
|
if (++calls > 1) return null; |
| 78 |
|
return new FailingFJWSubclass(p); |
| 161 |
|
* tasks, and quiescent running state. |
| 162 |
|
*/ |
| 163 |
|
public void testDefaultInitialState() { |
| 164 |
< |
ForkJoinPool p = null; |
| 164 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
| 165 |
|
try { |
| 166 |
< |
p = new ForkJoinPool(1); |
| 167 |
< |
assertTrue(p.getFactory() == |
| 149 |
< |
ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
| 150 |
< |
assertTrue(p.isQuiescent()); |
| 151 |
< |
assertTrue(p.getMaintainsParallelism()); |
| 166 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
| 167 |
> |
p.getFactory()); |
| 168 |
|
assertFalse(p.getAsyncMode()); |
| 169 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
| 170 |
< |
assertTrue(p.getStealCount() == 0); |
| 171 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
| 172 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
| 169 |
> |
assertEquals(0, p.getActiveThreadCount()); |
| 170 |
> |
assertEquals(0, p.getStealCount()); |
| 171 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
| 172 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
| 173 |
|
assertFalse(p.hasQueuedSubmissions()); |
| 174 |
|
assertFalse(p.isShutdown()); |
| 175 |
|
assertFalse(p.isTerminating()); |
| 194 |
|
*/ |
| 195 |
|
public void testConstructor2() { |
| 196 |
|
try { |
| 197 |
< |
new ForkJoinPool(1, null); |
| 197 |
> |
new ForkJoinPool(1, null, null, false); |
| 198 |
|
shouldThrow(); |
| 199 |
|
} catch (NullPointerException success) {} |
| 200 |
|
} |
| 201 |
|
|
| 186 |
– |
|
| 202 |
|
/** |
| 203 |
|
* getParallelism returns size set in constructor |
| 204 |
|
*/ |
| 205 |
|
public void testGetParallelism() { |
| 206 |
< |
ForkJoinPool p = null; |
| 192 |
< |
try { |
| 193 |
< |
p = new ForkJoinPool(1); |
| 194 |
< |
assertTrue(p.getParallelism() == 1); |
| 195 |
< |
} finally { |
| 196 |
< |
joinPool(p); |
| 197 |
< |
} |
| 198 |
< |
} |
| 199 |
< |
|
| 200 |
< |
/** |
| 201 |
< |
* setParallelism changes reported parallelism level. |
| 202 |
< |
*/ |
| 203 |
< |
public void testSetParallelism() { |
| 204 |
< |
ForkJoinPool p = null; |
| 205 |
< |
try { |
| 206 |
< |
p = new ForkJoinPool(1); |
| 207 |
< |
assertTrue(p.getParallelism() == 1); |
| 208 |
< |
p.setParallelism(2); |
| 209 |
< |
assertTrue(p.getParallelism() == 2); |
| 210 |
< |
} finally { |
| 211 |
< |
joinPool(p); |
| 212 |
< |
} |
| 213 |
< |
} |
| 214 |
< |
|
| 215 |
< |
/** |
| 216 |
< |
* setParallelism with argument <= 0 throws exception |
| 217 |
< |
*/ |
| 218 |
< |
public void testSetParallelism2() { |
| 219 |
< |
ForkJoinPool p = null; |
| 206 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
| 207 |
|
try { |
| 208 |
< |
p = new ForkJoinPool(1); |
| 222 |
< |
assertTrue(p.getParallelism() == 1); |
| 223 |
< |
p.setParallelism(-2); |
| 224 |
< |
shouldThrow(); |
| 225 |
< |
} catch (IllegalArgumentException success) { |
| 208 |
> |
assertEquals(1, p.getParallelism()); |
| 209 |
|
} finally { |
| 210 |
|
joinPool(p); |
| 211 |
|
} |
| 215 |
|
* getPoolSize returns number of started workers. |
| 216 |
|
*/ |
| 217 |
|
public void testGetPoolSize() { |
| 218 |
< |
ForkJoinPool p = null; |
| 218 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
| 219 |
|
try { |
| 220 |
< |
p = new ForkJoinPool(1); |
| 238 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
| 220 |
> |
assertEquals(0, p.getActiveThreadCount()); |
| 221 |
|
Future<String> future = p.submit(new StringTask()); |
| 222 |
< |
assertTrue(p.getPoolSize() == 1); |
| 241 |
< |
|
| 242 |
< |
} finally { |
| 243 |
< |
joinPool(p); |
| 244 |
< |
} |
| 245 |
< |
} |
| 246 |
< |
|
| 247 |
< |
/** |
| 248 |
< |
* setMaximumPoolSize changes size reported by getMaximumPoolSize. |
| 249 |
< |
*/ |
| 250 |
< |
public void testSetMaximumPoolSize() { |
| 251 |
< |
ForkJoinPool p = null; |
| 252 |
< |
try { |
| 253 |
< |
p = new ForkJoinPool(1); |
| 254 |
< |
p.setMaximumPoolSize(2); |
| 255 |
< |
assertTrue(p.getMaximumPoolSize() == 2); |
| 256 |
< |
} finally { |
| 257 |
< |
joinPool(p); |
| 258 |
< |
} |
| 259 |
< |
} |
| 260 |
< |
|
| 261 |
< |
/** |
| 262 |
< |
* setMaximumPoolSize with argument <= 0 throws exception |
| 263 |
< |
*/ |
| 264 |
< |
public void testSetMaximumPoolSize2() { |
| 265 |
< |
ForkJoinPool p = null; |
| 266 |
< |
try { |
| 267 |
< |
p = new ForkJoinPool(1); |
| 268 |
< |
p.setMaximumPoolSize(-2); |
| 269 |
< |
shouldThrow(); |
| 270 |
< |
} catch (IllegalArgumentException success) { |
| 271 |
< |
} finally { |
| 272 |
< |
joinPool(p); |
| 273 |
< |
} |
| 274 |
< |
} |
| 275 |
< |
|
| 276 |
< |
/** |
| 277 |
< |
* setMaintainsParallelism changes policy reported by |
| 278 |
< |
* getMaintainsParallelism. |
| 279 |
< |
*/ |
| 280 |
< |
public void testSetMaintainsParallelism() { |
| 281 |
< |
ForkJoinPool p = null; |
| 282 |
< |
try { |
| 283 |
< |
p = new ForkJoinPool(1); |
| 284 |
< |
p.setMaintainsParallelism(false); |
| 285 |
< |
assertFalse(p.getMaintainsParallelism()); |
| 286 |
< |
} finally { |
| 287 |
< |
joinPool(p); |
| 288 |
< |
} |
| 289 |
< |
} |
| 290 |
< |
|
| 291 |
< |
/** |
| 292 |
< |
* setAsyncMode changes policy reported by |
| 293 |
< |
* getAsyncMode. |
| 294 |
< |
*/ |
| 295 |
< |
public void testSetAsyncMode() { |
| 296 |
< |
ForkJoinPool p = null; |
| 297 |
< |
try { |
| 298 |
< |
p = new ForkJoinPool(1); |
| 299 |
< |
p.setAsyncMode(true); |
| 300 |
< |
assertTrue(p.getAsyncMode()); |
| 222 |
> |
assertEquals(1, p.getPoolSize()); |
| 223 |
|
} finally { |
| 224 |
|
joinPool(p); |
| 225 |
|
} |
| 232 |
|
* performs its defined action |
| 233 |
|
*/ |
| 234 |
|
public void testSetUncaughtExceptionHandler() throws InterruptedException { |
| 235 |
< |
ForkJoinPool p = null; |
| 236 |
< |
try { |
| 237 |
< |
p = new ForkJoinPool(1, new FailingThreadFactory()); |
| 238 |
< |
MyHandler eh = new MyHandler(); |
| 239 |
< |
p.setUncaughtExceptionHandler(eh); |
| 240 |
< |
assertEquals(eh, p.getUncaughtExceptionHandler()); |
| 241 |
< |
p.execute(new FailingTask()); |
| 242 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
| 243 |
< |
assertTrue(eh.catches > 0); |
| 235 |
> |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
| 236 |
> |
final Thread.UncaughtExceptionHandler eh = |
| 237 |
> |
new Thread.UncaughtExceptionHandler() { |
| 238 |
> |
public void uncaughtException(Thread t, Throwable e) { |
| 239 |
> |
uehInvoked.countDown(); |
| 240 |
> |
}}; |
| 241 |
> |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
| 242 |
> |
eh, false); |
| 243 |
> |
try { |
| 244 |
> |
assertSame(eh, p.getUncaughtExceptionHandler()); |
| 245 |
> |
try { |
| 246 |
> |
p.execute(new FibTask(8)); |
| 247 |
> |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 248 |
> |
} catch (RejectedExecutionException ok) { |
| 249 |
> |
} |
| 250 |
|
} finally { |
| 251 |
< |
p.shutdownNow(); |
| 251 |
> |
p.shutdownNow(); // failure might have prevented processing task |
| 252 |
|
joinPool(p); |
| 253 |
|
} |
| 254 |
|
} |
| 255 |
|
|
| 256 |
|
/** |
| 257 |
< |
* setUncaughtExceptionHandler of null removes handler |
| 257 |
> |
* After invoking a single task, isQuiescent eventually becomes |
| 258 |
> |
* true, at which time queues are empty, threads are not active, |
| 259 |
> |
* the task has completed successfully, and construction |
| 260 |
> |
* parameters continue to hold |
| 261 |
|
*/ |
| 262 |
< |
public void testSetUncaughtExceptionHandler2() { |
| 263 |
< |
ForkJoinPool p = null; |
| 262 |
> |
public void testIsQuiescent() throws Exception { |
| 263 |
> |
ForkJoinPool p = new ForkJoinPool(2); |
| 264 |
|
try { |
| 265 |
< |
p = new ForkJoinPool(1); |
| 266 |
< |
p.setUncaughtExceptionHandler(null); |
| 267 |
< |
assertNull(p.getUncaughtExceptionHandler()); |
| 268 |
< |
} finally { |
| 269 |
< |
joinPool(p); |
| 270 |
< |
} |
| 271 |
< |
} |
| 272 |
< |
|
| 265 |
> |
assertTrue(p.isQuiescent()); |
| 266 |
> |
long startTime = System.nanoTime(); |
| 267 |
> |
FibTask f = new FibTask(20); |
| 268 |
> |
p.invoke(f); |
| 269 |
> |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
| 270 |
> |
p.getFactory()); |
| 271 |
> |
while (! p.isQuiescent()) { |
| 272 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 273 |
> |
throw new AssertionFailedError("timed out"); |
| 274 |
> |
assertFalse(p.getAsyncMode()); |
| 275 |
> |
assertFalse(p.isShutdown()); |
| 276 |
> |
assertFalse(p.isTerminating()); |
| 277 |
> |
assertFalse(p.isTerminated()); |
| 278 |
> |
Thread.yield(); |
| 279 |
> |
} |
| 280 |
|
|
| 343 |
– |
/** |
| 344 |
– |
* After invoking a single task, isQuiescent is true, |
| 345 |
– |
* queues are empty, threads are not active, and |
| 346 |
– |
* construction parameters continue to hold |
| 347 |
– |
*/ |
| 348 |
– |
public void testisQuiescent() throws InterruptedException { |
| 349 |
– |
ForkJoinPool p = null; |
| 350 |
– |
try { |
| 351 |
– |
p = new ForkJoinPool(2); |
| 352 |
– |
p.invoke(new FibTask(20)); |
| 353 |
– |
assertTrue(p.getFactory() == |
| 354 |
– |
ForkJoinPool.defaultForkJoinWorkerThreadFactory); |
| 355 |
– |
Thread.sleep(MEDIUM_DELAY_MS); |
| 281 |
|
assertTrue(p.isQuiescent()); |
| 357 |
– |
assertTrue(p.getMaintainsParallelism()); |
| 282 |
|
assertFalse(p.getAsyncMode()); |
| 283 |
< |
assertTrue(p.getActiveThreadCount() == 0); |
| 284 |
< |
assertTrue(p.getQueuedTaskCount() == 0); |
| 285 |
< |
assertTrue(p.getQueuedSubmissionCount() == 0); |
| 283 |
> |
assertEquals(0, p.getActiveThreadCount()); |
| 284 |
> |
assertEquals(0, p.getQueuedTaskCount()); |
| 285 |
> |
assertEquals(0, p.getQueuedSubmissionCount()); |
| 286 |
|
assertFalse(p.hasQueuedSubmissions()); |
| 287 |
|
assertFalse(p.isShutdown()); |
| 288 |
|
assertFalse(p.isTerminating()); |
| 289 |
|
assertFalse(p.isTerminated()); |
| 290 |
+ |
assertTrue(f.isDone()); |
| 291 |
+ |
assertEquals(6765, (int) f.get()); |
| 292 |
|
} finally { |
| 293 |
|
joinPool(p); |
| 294 |
|
} |
| 298 |
|
* Completed submit(ForkJoinTask) returns result |
| 299 |
|
*/ |
| 300 |
|
public void testSubmitForkJoinTask() throws Throwable { |
| 301 |
< |
ForkJoinPool p = null; |
| 301 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
| 302 |
|
try { |
| 377 |
– |
p = new ForkJoinPool(1); |
| 303 |
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
| 304 |
< |
int r = f.get(); |
| 380 |
< |
assertTrue(r == 21); |
| 304 |
> |
assertEquals(21, (int) f.get()); |
| 305 |
|
} finally { |
| 306 |
|
joinPool(p); |
| 307 |
|
} |
| 311 |
|
* A task submitted after shutdown is rejected |
| 312 |
|
*/ |
| 313 |
|
public void testSubmitAfterShutdown() { |
| 314 |
< |
ForkJoinPool p = null; |
| 314 |
> |
ForkJoinPool p = new ForkJoinPool(1); |
| 315 |
|
try { |
| 392 |
– |
p = new ForkJoinPool(1); |
| 316 |
|
p.shutdown(); |
| 317 |
|
assertTrue(p.isShutdown()); |
| 318 |
< |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
| 319 |
< |
shouldThrow(); |
| 320 |
< |
} catch (RejectedExecutionException success) { |
| 318 |
> |
try { |
| 319 |
> |
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
| 320 |
> |
shouldThrow(); |
| 321 |
> |
} catch (RejectedExecutionException success) {} |
| 322 |
|
} finally { |
| 323 |
|
joinPool(p); |
| 324 |
|
} |
| 328 |
|
* Pool maintains parallelism when using ManagedBlocker |
| 329 |
|
*/ |
| 330 |
|
public void testBlockingForkJoinTask() throws Throwable { |
| 331 |
< |
ForkJoinPool p = null; |
| 331 |
> |
ForkJoinPool p = new ForkJoinPool(4); |
| 332 |
|
try { |
| 409 |
– |
p = new ForkJoinPool(4); |
| 333 |
|
ReentrantLock lock = new ReentrantLock(); |
| 334 |
|
ManagedLocker locker = new ManagedLocker(lock); |
| 335 |
< |
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
| 335 |
> |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
| 336 |
|
p.execute(f); |
| 337 |
< |
assertTrue(p.getPoolSize() >= 4); |
| 415 |
< |
int r = f.get(); |
| 416 |
< |
assertTrue(r == 832040); |
| 337 |
> |
assertEquals(6765, (int) f.get()); |
| 338 |
|
} finally { |
| 339 |
|
p.shutdownNow(); // don't wait out shutdown |
| 340 |
|
} |
| 344 |
|
* pollSubmission returns unexecuted submitted task, if present |
| 345 |
|
*/ |
| 346 |
|
public void testPollSubmission() { |
| 347 |
< |
SubFJP p = null; |
| 347 |
> |
final CountDownLatch done = new CountDownLatch(1); |
| 348 |
> |
SubFJP p = new SubFJP(); |
| 349 |
|
try { |
| 350 |
< |
p = new SubFJP(); |
| 351 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
| 352 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
| 431 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
| 350 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
| 351 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
| 352 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
| 353 |
|
ForkJoinTask r = p.pollSubmission(); |
| 354 |
|
assertTrue(r == a || r == b || r == c); |
| 355 |
|
assertFalse(r.isDone()); |
| 356 |
|
} finally { |
| 357 |
+ |
done.countDown(); |
| 358 |
|
joinPool(p); |
| 359 |
|
} |
| 360 |
|
} |
| 363 |
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
| 364 |
|
*/ |
| 365 |
|
public void testDrainTasksTo() { |
| 366 |
< |
SubFJP p = null; |
| 366 |
> |
final CountDownLatch done = new CountDownLatch(1); |
| 367 |
> |
SubFJP p = new SubFJP(); |
| 368 |
|
try { |
| 369 |
< |
p = new SubFJP(); |
| 370 |
< |
ForkJoinTask a = p.submit(new MediumRunnable()); |
| 371 |
< |
ForkJoinTask b = p.submit(new MediumRunnable()); |
| 449 |
< |
ForkJoinTask c = p.submit(new MediumRunnable()); |
| 369 |
> |
ForkJoinTask a = p.submit(awaiter(done)); |
| 370 |
> |
ForkJoinTask b = p.submit(awaiter(done)); |
| 371 |
> |
ForkJoinTask c = p.submit(awaiter(done)); |
| 372 |
|
ArrayList<ForkJoinTask> al = new ArrayList(); |
| 373 |
|
p.drainTasksTo(al); |
| 374 |
|
assertTrue(al.size() > 0); |
| 377 |
|
assertFalse(r.isDone()); |
| 378 |
|
} |
| 379 |
|
} finally { |
| 380 |
+ |
done.countDown(); |
| 381 |
|
joinPool(p); |
| 382 |
|
} |
| 383 |
|
} |
| 384 |
|
|
| 462 |
– |
|
| 385 |
|
// FJ Versions of AbstractExecutorService tests |
| 386 |
|
|
| 387 |
|
/** |
| 389 |
|
*/ |
| 390 |
|
public void testExecuteRunnable() throws Throwable { |
| 391 |
|
ExecutorService e = new ForkJoinPool(1); |
| 392 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
| 393 |
< |
assertFalse(task.done); |
| 394 |
< |
Future<?> future = e.submit(task); |
| 395 |
< |
future.get(); |
| 396 |
< |
assertTrue(task.done); |
| 392 |
> |
try { |
| 393 |
> |
final AtomicBoolean done = new AtomicBoolean(false); |
| 394 |
> |
CheckedRunnable task = new CheckedRunnable() { |
| 395 |
> |
public void realRun() { |
| 396 |
> |
done.set(true); |
| 397 |
> |
}}; |
| 398 |
> |
Future<?> future = e.submit(task); |
| 399 |
> |
assertNull(future.get()); |
| 400 |
> |
assertNull(future.get(0, MILLISECONDS)); |
| 401 |
> |
assertTrue(done.get()); |
| 402 |
> |
assertTrue(future.isDone()); |
| 403 |
> |
assertFalse(future.isCancelled()); |
| 404 |
> |
} finally { |
| 405 |
> |
joinPool(e); |
| 406 |
> |
} |
| 407 |
|
} |
| 408 |
|
|
| 477 |
– |
|
| 409 |
|
/** |
| 410 |
|
* Completed submit(callable) returns result |
| 411 |
|
*/ |
| 412 |
|
public void testSubmitCallable() throws Throwable { |
| 413 |
|
ExecutorService e = new ForkJoinPool(1); |
| 414 |
< |
Future<String> future = e.submit(new StringTask()); |
| 415 |
< |
String result = future.get(); |
| 416 |
< |
assertSame(TEST_STRING, result); |
| 414 |
> |
try { |
| 415 |
> |
Future<String> future = e.submit(new StringTask()); |
| 416 |
> |
assertSame(TEST_STRING, future.get()); |
| 417 |
> |
assertTrue(future.isDone()); |
| 418 |
> |
assertFalse(future.isCancelled()); |
| 419 |
> |
} finally { |
| 420 |
> |
joinPool(e); |
| 421 |
> |
} |
| 422 |
|
} |
| 423 |
|
|
| 424 |
|
/** |
| 426 |
|
*/ |
| 427 |
|
public void testSubmitRunnable() throws Throwable { |
| 428 |
|
ExecutorService e = new ForkJoinPool(1); |
| 429 |
< |
Future<?> future = e.submit(new NoOpRunnable()); |
| 430 |
< |
future.get(); |
| 431 |
< |
assertTrue(future.isDone()); |
| 429 |
> |
try { |
| 430 |
> |
Future<?> future = e.submit(new NoOpRunnable()); |
| 431 |
> |
assertNull(future.get()); |
| 432 |
> |
assertTrue(future.isDone()); |
| 433 |
> |
assertFalse(future.isCancelled()); |
| 434 |
> |
} finally { |
| 435 |
> |
joinPool(e); |
| 436 |
> |
} |
| 437 |
|
} |
| 438 |
|
|
| 439 |
|
/** |
| 441 |
|
*/ |
| 442 |
|
public void testSubmitRunnable2() throws Throwable { |
| 443 |
|
ExecutorService e = new ForkJoinPool(1); |
| 444 |
< |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 445 |
< |
String result = future.get(); |
| 446 |
< |
assertSame(TEST_STRING, result); |
| 444 |
> |
try { |
| 445 |
> |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 446 |
> |
assertSame(TEST_STRING, future.get()); |
| 447 |
> |
assertTrue(future.isDone()); |
| 448 |
> |
assertFalse(future.isCancelled()); |
| 449 |
> |
} finally { |
| 450 |
> |
joinPool(e); |
| 451 |
> |
} |
| 452 |
|
} |
| 453 |
|
|
| 454 |
|
/** |
| 455 |
|
* A submitted privileged action runs to completion |
| 456 |
|
*/ |
| 457 |
< |
public void testSubmitPrivilegedAction() throws Throwable { |
| 457 |
> |
public void testSubmitPrivilegedAction() throws Exception { |
| 458 |
> |
final Callable callable = Executors.callable(new PrivilegedAction() { |
| 459 |
> |
public Object run() { return TEST_STRING; }}); |
| 460 |
|
Runnable r = new CheckedRunnable() { |
| 461 |
< |
public void realRun() throws Exception { |
| 462 |
< |
ExecutorService e = new ForkJoinPool(1); |
| 463 |
< |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
| 464 |
< |
public Object run() { |
| 465 |
< |
return TEST_STRING; |
| 466 |
< |
}})); |
| 467 |
< |
|
| 468 |
< |
Object result = future.get(); |
| 469 |
< |
assertSame(TEST_STRING, result); |
| 522 |
< |
}}; |
| 461 |
> |
public void realRun() throws Exception { |
| 462 |
> |
ExecutorService e = new ForkJoinPool(1); |
| 463 |
> |
try { |
| 464 |
> |
Future future = e.submit(callable); |
| 465 |
> |
assertSame(TEST_STRING, future.get()); |
| 466 |
> |
} finally { |
| 467 |
> |
joinPool(e); |
| 468 |
> |
} |
| 469 |
> |
}}; |
| 470 |
|
|
| 471 |
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
| 472 |
|
} |
| 474 |
|
/** |
| 475 |
|
* A submitted privileged exception action runs to completion |
| 476 |
|
*/ |
| 477 |
< |
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
| 477 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
| 478 |
> |
final Callable callable = |
| 479 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
| 480 |
> |
public Object run() { return TEST_STRING; }}); |
| 481 |
|
Runnable r = new CheckedRunnable() { |
| 482 |
< |
public void realRun() throws Exception { |
| 483 |
< |
ExecutorService e = new ForkJoinPool(1); |
| 484 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 485 |
< |
public Object run() { |
| 486 |
< |
return TEST_STRING; |
| 487 |
< |
}})); |
| 488 |
< |
|
| 489 |
< |
Object result = future.get(); |
| 490 |
< |
assertSame(TEST_STRING, result); |
| 541 |
< |
}}; |
| 482 |
> |
public void realRun() throws Exception { |
| 483 |
> |
ExecutorService e = new ForkJoinPool(1); |
| 484 |
> |
try { |
| 485 |
> |
Future future = e.submit(callable); |
| 486 |
> |
assertSame(TEST_STRING, future.get()); |
| 487 |
> |
} finally { |
| 488 |
> |
joinPool(e); |
| 489 |
> |
} |
| 490 |
> |
}}; |
| 491 |
|
|
| 492 |
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
| 493 |
|
} |
| 495 |
|
/** |
| 496 |
|
* A submitted failed privileged exception action reports exception |
| 497 |
|
*/ |
| 498 |
< |
public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { |
| 498 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
| 499 |
> |
final Callable callable = |
| 500 |
> |
Executors.callable(new PrivilegedExceptionAction() { |
| 501 |
> |
public Object run() { throw new IndexOutOfBoundsException(); }}); |
| 502 |
|
Runnable r = new CheckedRunnable() { |
| 503 |
< |
public void realRun() throws Exception { |
| 504 |
< |
ExecutorService e = new ForkJoinPool(1); |
| 505 |
< |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 506 |
< |
public Object run() throws Exception { |
| 555 |
< |
throw new IndexOutOfBoundsException(); |
| 556 |
< |
}})); |
| 557 |
< |
|
| 503 |
> |
public void realRun() throws Exception { |
| 504 |
> |
ExecutorService e = new ForkJoinPool(1); |
| 505 |
> |
try { |
| 506 |
> |
Future future = e.submit(callable); |
| 507 |
|
try { |
| 508 |
< |
Object result = future.get(); |
| 508 |
> |
future.get(); |
| 509 |
|
shouldThrow(); |
| 510 |
|
} catch (ExecutionException success) { |
| 511 |
|
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
| 512 |
< |
}}}; |
| 512 |
> |
} |
| 513 |
> |
} finally { |
| 514 |
> |
joinPool(e); |
| 515 |
> |
} |
| 516 |
> |
}}; |
| 517 |
|
|
| 518 |
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
| 519 |
|
} |
| 522 |
|
* execute(null runnable) throws NullPointerException |
| 523 |
|
*/ |
| 524 |
|
public void testExecuteNullRunnable() { |
| 525 |
+ |
ExecutorService e = new ForkJoinPool(1); |
| 526 |
|
try { |
| 527 |
< |
ExecutorService e = new ForkJoinPool(1); |
| 574 |
< |
TrackedShortRunnable task = null; |
| 575 |
< |
Future<?> future = e.submit(task); |
| 527 |
> |
Future<?> future = e.submit((Runnable) null); |
| 528 |
|
shouldThrow(); |
| 529 |
< |
} catch (NullPointerException success) {} |
| 529 |
> |
} catch (NullPointerException success) { |
| 530 |
> |
} finally { |
| 531 |
> |
joinPool(e); |
| 532 |
> |
} |
| 533 |
|
} |
| 534 |
|
|
| 580 |
– |
|
| 535 |
|
/** |
| 536 |
|
* submit(null callable) throws NullPointerException |
| 537 |
|
*/ |
| 538 |
|
public void testSubmitNullCallable() { |
| 539 |
+ |
ExecutorService e = new ForkJoinPool(1); |
| 540 |
|
try { |
| 541 |
< |
ExecutorService e = new ForkJoinPool(1); |
| 587 |
< |
StringTask t = null; |
| 588 |
< |
Future<String> future = e.submit(t); |
| 541 |
> |
Future<String> future = e.submit((Callable) null); |
| 542 |
|
shouldThrow(); |
| 543 |
< |
} catch (NullPointerException success) {} |
| 543 |
> |
} catch (NullPointerException success) { |
| 544 |
> |
} finally { |
| 545 |
> |
joinPool(e); |
| 546 |
> |
} |
| 547 |
|
} |
| 548 |
|
|
| 593 |
– |
|
| 549 |
|
/** |
| 550 |
< |
* Blocking on submit(callable) throws InterruptedException if |
| 596 |
< |
* caller interrupted. |
| 550 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
| 551 |
|
*/ |
| 552 |
|
public void testInterruptedSubmit() throws InterruptedException { |
| 553 |
< |
final ForkJoinPool p = new ForkJoinPool(1); |
| 554 |
< |
|
| 555 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 556 |
< |
public void realRun() throws Throwable { |
| 557 |
< |
p.submit(new CheckedCallable<Object>() { |
| 558 |
< |
public Object realCall() throws Throwable { |
| 559 |
< |
try { |
| 560 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
| 561 |
< |
} catch (InterruptedException ok) { |
| 562 |
< |
} |
| 563 |
< |
return null; |
| 564 |
< |
}}).get(); |
| 565 |
< |
}}); |
| 566 |
< |
|
| 567 |
< |
t.start(); |
| 568 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 569 |
< |
t.interrupt(); |
| 570 |
< |
t.join(); |
| 571 |
< |
p.shutdownNow(); |
| 572 |
< |
joinPool(p); |
| 553 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
| 554 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
| 555 |
> |
final ExecutorService p = new ForkJoinPool(1); |
| 556 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
| 557 |
> |
public Void realCall() throws InterruptedException { |
| 558 |
> |
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 559 |
> |
return null; |
| 560 |
> |
}}; |
| 561 |
> |
try { |
| 562 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 563 |
> |
public void realRun() throws Exception { |
| 564 |
> |
Future<Void> future = p.submit(awaiter); |
| 565 |
> |
submitted.countDown(); |
| 566 |
> |
future.get(); |
| 567 |
> |
}}); |
| 568 |
> |
t.start(); |
| 569 |
> |
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 570 |
> |
t.interrupt(); |
| 571 |
> |
t.join(); |
| 572 |
> |
} finally { |
| 573 |
> |
quittingTime.countDown(); |
| 574 |
> |
joinPool(p); |
| 575 |
> |
} |
| 576 |
|
} |
| 577 |
|
|
| 578 |
|
/** |
| 583 |
|
ForkJoinPool p = new ForkJoinPool(1); |
| 584 |
|
try { |
| 585 |
|
p.submit(new Callable() { |
| 586 |
< |
public Object call() { |
| 587 |
< |
int i = 5/0; |
| 631 |
< |
return Boolean.TRUE; |
| 632 |
< |
}}).get(); |
| 586 |
> |
public Object call() { throw new ArithmeticException(); }}) |
| 587 |
> |
.get(); |
| 588 |
|
shouldThrow(); |
| 589 |
|
} catch (ExecutionException success) { |
| 590 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
| 591 |
+ |
} finally { |
| 592 |
+ |
joinPool(p); |
| 593 |
|
} |
| 637 |
– |
|
| 638 |
– |
joinPool(p); |
| 594 |
|
} |
| 595 |
|
|
| 596 |
|
/** |
| 772 |
|
} |
| 773 |
|
} |
| 774 |
|
|
| 820 |
– |
|
| 775 |
|
/** |
| 776 |
|
* timed invokeAny(null) throws NullPointerException |
| 777 |
|
*/ |
