Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 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/publicdomain/zero/1.0/ |
| 5 | * Other contributors include Andrew Wright, Jeffrey Hayes, |
| 6 | * Pat Fisher, Mike Judd. |
| 7 | */ |
| 8 | |
| 9 | package jsr166; |
| 10 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 11 | import static java.util.concurrent.TimeUnit.MILLISECONDS; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 12 | |
| 13 | import java.security.PrivilegedAction; |
| 14 | import java.security.PrivilegedExceptionAction; |
| 15 | import java.util.ArrayList; |
| 16 | import java.util.Collections; |
| 17 | import java.util.List; |
| 18 | import java.util.concurrent.AbstractExecutorService; |
| 19 | import java.util.concurrent.ArrayBlockingQueue; |
| 20 | import java.util.concurrent.Callable; |
| 21 | import java.util.concurrent.CountDownLatch; |
| 22 | import java.util.concurrent.ExecutionException; |
| 23 | import java.util.concurrent.Executors; |
| 24 | import java.util.concurrent.ExecutorService; |
| 25 | import java.util.concurrent.Future; |
| 26 | import java.util.concurrent.ThreadPoolExecutor; |
| 27 | import java.util.concurrent.TimeUnit; |
| 28 | import java.util.concurrent.atomic.AtomicBoolean; |
| 29 | |
| 30 | import junit.framework.Test; |
| 31 | import junit.framework.TestSuite; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 32 | |
| 33 | public class AbstractExecutorServiceTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 34 | // android-note: Removed because the CTS runner does a bad job of |
| 35 | // retrying tests that have suite() declarations. |
| 36 | // |
| 37 | // public static void main(String[] args) { |
| 38 | // main(suite(), args); |
| 39 | // } |
| 40 | // public static Test suite() { |
| 41 | // return new TestSuite(...); |
| 42 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 43 | |
| 44 | /** |
| 45 | * A no-frills implementation of AbstractExecutorService, designed |
| 46 | * to test the submit methods only. |
| 47 | */ |
| 48 | static class DirectExecutorService extends AbstractExecutorService { |
| 49 | public void execute(Runnable r) { r.run(); } |
| 50 | public void shutdown() { shutdown = true; } |
| 51 | public List<Runnable> shutdownNow() { |
| 52 | shutdown = true; |
| 53 | return Collections.EMPTY_LIST; |
| 54 | } |
| 55 | public boolean isShutdown() { return shutdown; } |
| 56 | public boolean isTerminated() { return isShutdown(); } |
| 57 | public boolean awaitTermination(long timeout, TimeUnit unit) { |
| 58 | return isShutdown(); |
| 59 | } |
| 60 | private volatile boolean shutdown = false; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * execute(runnable) runs it to completion |
| 65 | */ |
| 66 | public void testExecuteRunnable() throws Exception { |
| 67 | ExecutorService e = new DirectExecutorService(); |
| 68 | final AtomicBoolean done = new AtomicBoolean(false); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 69 | Future<?> future = e.submit(new CheckedRunnable() { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 70 | public void realRun() { |
| 71 | done.set(true); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 72 | }}); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 73 | assertNull(future.get()); |
| 74 | assertNull(future.get(0, MILLISECONDS)); |
| 75 | assertTrue(done.get()); |
| 76 | assertTrue(future.isDone()); |
| 77 | assertFalse(future.isCancelled()); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Completed submit(callable) returns result |
| 82 | */ |
| 83 | public void testSubmitCallable() throws Exception { |
| 84 | ExecutorService e = new DirectExecutorService(); |
| 85 | Future<String> future = e.submit(new StringTask()); |
| 86 | String result = future.get(); |
| 87 | assertSame(TEST_STRING, result); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Completed submit(runnable) returns successfully |
| 92 | */ |
| 93 | public void testSubmitRunnable() throws Exception { |
| 94 | ExecutorService e = new DirectExecutorService(); |
| 95 | Future<?> future = e.submit(new NoOpRunnable()); |
| 96 | future.get(); |
| 97 | assertTrue(future.isDone()); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Completed submit(runnable, result) returns result |
| 102 | */ |
| 103 | public void testSubmitRunnable2() throws Exception { |
| 104 | ExecutorService e = new DirectExecutorService(); |
| 105 | Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 106 | String result = future.get(); |
| 107 | assertSame(TEST_STRING, result); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * A submitted privileged action runs to completion |
| 112 | */ |
| 113 | public void testSubmitPrivilegedAction() throws Exception { |
| 114 | Runnable r = new CheckedRunnable() { |
| 115 | public void realRun() throws Exception { |
| 116 | ExecutorService e = new DirectExecutorService(); |
| 117 | Future future = e.submit(Executors.callable(new PrivilegedAction() { |
| 118 | public Object run() { |
| 119 | return TEST_STRING; |
| 120 | }})); |
| 121 | |
| 122 | assertSame(TEST_STRING, future.get()); |
| 123 | }}; |
| 124 | |
| 125 | runWithPermissions(r, |
| 126 | new RuntimePermission("getClassLoader"), |
| 127 | new RuntimePermission("setContextClassLoader"), |
| 128 | new RuntimePermission("modifyThread")); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * A submitted privileged exception action runs to completion |
| 133 | */ |
| 134 | public void testSubmitPrivilegedExceptionAction() throws Exception { |
| 135 | Runnable r = new CheckedRunnable() { |
| 136 | public void realRun() throws Exception { |
| 137 | ExecutorService e = new DirectExecutorService(); |
| 138 | Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 139 | public Object run() { |
| 140 | return TEST_STRING; |
| 141 | }})); |
| 142 | |
| 143 | assertSame(TEST_STRING, future.get()); |
| 144 | }}; |
| 145 | |
| 146 | runWithPermissions(r); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * A submitted failed privileged exception action reports exception |
| 151 | */ |
| 152 | public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
| 153 | Runnable r = new CheckedRunnable() { |
| 154 | public void realRun() throws Exception { |
| 155 | ExecutorService e = new DirectExecutorService(); |
| 156 | Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 157 | public Object run() throws Exception { |
| 158 | throw new IndexOutOfBoundsException(); |
| 159 | }})); |
| 160 | |
| 161 | try { |
| 162 | future.get(); |
| 163 | shouldThrow(); |
| 164 | } catch (ExecutionException success) { |
| 165 | assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
| 166 | }}}; |
| 167 | |
| 168 | runWithPermissions(r); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * execute(null runnable) throws NPE |
| 173 | */ |
| 174 | public void testExecuteNullRunnable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 175 | ExecutorService e = new DirectExecutorService(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 176 | try { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 177 | e.submit((Runnable) null); |
| 178 | shouldThrow(); |
| 179 | } catch (NullPointerException success) {} |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * submit(null callable) throws NPE |
| 184 | */ |
| 185 | public void testSubmitNullCallable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 186 | ExecutorService e = new DirectExecutorService(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 187 | try { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 188 | e.submit((Callable) null); |
| 189 | shouldThrow(); |
| 190 | } catch (NullPointerException success) {} |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * submit(callable).get() throws InterruptedException if interrupted |
| 195 | */ |
| 196 | public void testInterruptedSubmit() throws InterruptedException { |
| 197 | final CountDownLatch submitted = new CountDownLatch(1); |
| 198 | final CountDownLatch quittingTime = new CountDownLatch(1); |
| 199 | final ExecutorService p |
| 200 | = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
| 201 | new ArrayBlockingQueue<Runnable>(10)); |
| 202 | final Callable<Void> awaiter = new CheckedCallable<Void>() { |
| 203 | public Void realCall() throws InterruptedException { |
| 204 | quittingTime.await(); |
| 205 | return null; |
| 206 | }}; |
| 207 | try { |
| 208 | Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 209 | public void realRun() throws Exception { |
| 210 | Future<Void> future = p.submit(awaiter); |
| 211 | submitted.countDown(); |
| 212 | future.get(); |
| 213 | }}); |
| 214 | t.start(); |
| 215 | submitted.await(); |
| 216 | t.interrupt(); |
| 217 | t.join(); |
| 218 | } finally { |
| 219 | quittingTime.countDown(); |
| 220 | joinPool(p); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * get of submit(callable) throws ExecutionException if callable |
| 226 | * throws exception |
| 227 | */ |
| 228 | public void testSubmitEE() throws InterruptedException { |
| 229 | ThreadPoolExecutor p = |
| 230 | new ThreadPoolExecutor(1, 1, |
| 231 | 60, TimeUnit.SECONDS, |
| 232 | new ArrayBlockingQueue<Runnable>(10)); |
| 233 | |
| 234 | Callable c = new Callable() { |
| 235 | public Object call() { throw new ArithmeticException(); }}; |
| 236 | |
| 237 | try { |
| 238 | p.submit(c).get(); |
| 239 | shouldThrow(); |
| 240 | } catch (ExecutionException success) { |
| 241 | assertTrue(success.getCause() instanceof ArithmeticException); |
| 242 | } |
| 243 | joinPool(p); |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * invokeAny(null) throws NPE |
| 248 | */ |
| 249 | public void testInvokeAny1() throws Exception { |
| 250 | ExecutorService e = new DirectExecutorService(); |
| 251 | try { |
| 252 | e.invokeAny(null); |
| 253 | shouldThrow(); |
| 254 | } catch (NullPointerException success) { |
| 255 | } finally { |
| 256 | joinPool(e); |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * invokeAny(empty collection) throws IAE |
| 262 | */ |
| 263 | public void testInvokeAny2() throws Exception { |
| 264 | ExecutorService e = new DirectExecutorService(); |
| 265 | try { |
| 266 | e.invokeAny(new ArrayList<Callable<String>>()); |
| 267 | shouldThrow(); |
| 268 | } catch (IllegalArgumentException success) { |
| 269 | } finally { |
| 270 | joinPool(e); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * invokeAny(c) throws NPE if c has null elements |
| 276 | */ |
| 277 | public void testInvokeAny3() throws Exception { |
| 278 | ExecutorService e = new DirectExecutorService(); |
| 279 | List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
| 280 | l.add(new Callable<Long>() { |
| 281 | public Long call() { throw new ArithmeticException(); }}); |
| 282 | l.add(null); |
| 283 | try { |
| 284 | e.invokeAny(l); |
| 285 | shouldThrow(); |
| 286 | } catch (NullPointerException success) { |
| 287 | } finally { |
| 288 | joinPool(e); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * invokeAny(c) throws ExecutionException if no task in c completes |
| 294 | */ |
| 295 | public void testInvokeAny4() throws InterruptedException { |
| 296 | ExecutorService e = new DirectExecutorService(); |
| 297 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 298 | l.add(new NPETask()); |
| 299 | try { |
| 300 | e.invokeAny(l); |
| 301 | shouldThrow(); |
| 302 | } catch (ExecutionException success) { |
| 303 | assertTrue(success.getCause() instanceof NullPointerException); |
| 304 | } finally { |
| 305 | joinPool(e); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * invokeAny(c) returns result of some task in c if at least one completes |
| 311 | */ |
| 312 | public void testInvokeAny5() throws Exception { |
| 313 | ExecutorService e = new DirectExecutorService(); |
| 314 | try { |
| 315 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 316 | l.add(new StringTask()); |
| 317 | l.add(new StringTask()); |
| 318 | String result = e.invokeAny(l); |
| 319 | assertSame(TEST_STRING, result); |
| 320 | } finally { |
| 321 | joinPool(e); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * invokeAll(null) throws NPE |
| 327 | */ |
| 328 | public void testInvokeAll1() throws InterruptedException { |
| 329 | ExecutorService e = new DirectExecutorService(); |
| 330 | try { |
| 331 | e.invokeAll(null); |
| 332 | shouldThrow(); |
| 333 | } catch (NullPointerException success) { |
| 334 | } finally { |
| 335 | joinPool(e); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * invokeAll(empty collection) returns empty collection |
| 341 | */ |
| 342 | public void testInvokeAll2() throws InterruptedException { |
| 343 | ExecutorService e = new DirectExecutorService(); |
| 344 | try { |
| 345 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
| 346 | assertTrue(r.isEmpty()); |
| 347 | } finally { |
| 348 | joinPool(e); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * invokeAll(c) throws NPE if c has null elements |
| 354 | */ |
| 355 | public void testInvokeAll3() throws InterruptedException { |
| 356 | ExecutorService e = new DirectExecutorService(); |
| 357 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 358 | l.add(new StringTask()); |
| 359 | l.add(null); |
| 360 | try { |
| 361 | e.invokeAll(l); |
| 362 | shouldThrow(); |
| 363 | } catch (NullPointerException success) { |
| 364 | } finally { |
| 365 | joinPool(e); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * get of returned element of invokeAll(c) throws exception on failed task |
| 371 | */ |
| 372 | public void testInvokeAll4() throws Exception { |
| 373 | ExecutorService e = new DirectExecutorService(); |
| 374 | try { |
| 375 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 376 | l.add(new NPETask()); |
| 377 | List<Future<String>> futures = e.invokeAll(l); |
| 378 | assertEquals(1, futures.size()); |
| 379 | try { |
| 380 | futures.get(0).get(); |
| 381 | shouldThrow(); |
| 382 | } catch (ExecutionException success) { |
| 383 | assertTrue(success.getCause() instanceof NullPointerException); |
| 384 | } |
| 385 | } finally { |
| 386 | joinPool(e); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * invokeAll(c) returns results of all completed tasks in c |
| 392 | */ |
| 393 | public void testInvokeAll5() throws Exception { |
| 394 | ExecutorService e = new DirectExecutorService(); |
| 395 | try { |
| 396 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 397 | l.add(new StringTask()); |
| 398 | l.add(new StringTask()); |
| 399 | List<Future<String>> futures = e.invokeAll(l); |
| 400 | assertEquals(2, futures.size()); |
| 401 | for (Future<String> future : futures) |
| 402 | assertSame(TEST_STRING, future.get()); |
| 403 | } finally { |
| 404 | joinPool(e); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * timed invokeAny(null) throws NPE |
| 410 | */ |
| 411 | public void testTimedInvokeAny1() throws Exception { |
| 412 | ExecutorService e = new DirectExecutorService(); |
| 413 | try { |
| 414 | e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 415 | shouldThrow(); |
| 416 | } catch (NullPointerException success) { |
| 417 | } finally { |
| 418 | joinPool(e); |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * timed invokeAny(null time unit) throws NPE |
| 424 | */ |
| 425 | public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
| 426 | ExecutorService e = new DirectExecutorService(); |
| 427 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 428 | l.add(new StringTask()); |
| 429 | try { |
| 430 | e.invokeAny(l, MEDIUM_DELAY_MS, null); |
| 431 | shouldThrow(); |
| 432 | } catch (NullPointerException success) { |
| 433 | } finally { |
| 434 | joinPool(e); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * timed invokeAny(empty collection) throws IAE |
| 440 | */ |
| 441 | public void testTimedInvokeAny2() throws Exception { |
| 442 | ExecutorService e = new DirectExecutorService(); |
| 443 | try { |
| 444 | e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 445 | shouldThrow(); |
| 446 | } catch (IllegalArgumentException success) { |
| 447 | } finally { |
| 448 | joinPool(e); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * timed invokeAny(c) throws NPE if c has null elements |
| 454 | */ |
| 455 | public void testTimedInvokeAny3() throws Exception { |
| 456 | ExecutorService e = new DirectExecutorService(); |
| 457 | List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
| 458 | l.add(new Callable<Long>() { |
| 459 | public Long call() { throw new ArithmeticException(); }}); |
| 460 | l.add(null); |
| 461 | try { |
| 462 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 463 | shouldThrow(); |
| 464 | } catch (NullPointerException success) { |
| 465 | } finally { |
| 466 | joinPool(e); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * timed invokeAny(c) throws ExecutionException if no task completes |
| 472 | */ |
| 473 | public void testTimedInvokeAny4() throws Exception { |
| 474 | ExecutorService e = new DirectExecutorService(); |
| 475 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 476 | l.add(new NPETask()); |
| 477 | try { |
| 478 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 479 | shouldThrow(); |
| 480 | } catch (ExecutionException success) { |
| 481 | assertTrue(success.getCause() instanceof NullPointerException); |
| 482 | } finally { |
| 483 | joinPool(e); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * timed invokeAny(c) returns result of some task in c |
| 489 | */ |
| 490 | public void testTimedInvokeAny5() throws Exception { |
| 491 | ExecutorService e = new DirectExecutorService(); |
| 492 | try { |
| 493 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 494 | l.add(new StringTask()); |
| 495 | l.add(new StringTask()); |
| 496 | String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 497 | assertSame(TEST_STRING, result); |
| 498 | } finally { |
| 499 | joinPool(e); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * timed invokeAll(null) throws NPE |
| 505 | */ |
| 506 | public void testTimedInvokeAll1() throws InterruptedException { |
| 507 | ExecutorService e = new DirectExecutorService(); |
| 508 | try { |
| 509 | e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 510 | shouldThrow(); |
| 511 | } catch (NullPointerException success) { |
| 512 | } finally { |
| 513 | joinPool(e); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * timed invokeAll(null time unit) throws NPE |
| 519 | */ |
| 520 | public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
| 521 | ExecutorService e = new DirectExecutorService(); |
| 522 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 523 | l.add(new StringTask()); |
| 524 | try { |
| 525 | e.invokeAll(l, MEDIUM_DELAY_MS, null); |
| 526 | shouldThrow(); |
| 527 | } catch (NullPointerException success) { |
| 528 | } finally { |
| 529 | joinPool(e); |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * timed invokeAll(empty collection) returns empty collection |
| 535 | */ |
| 536 | public void testTimedInvokeAll2() throws InterruptedException { |
| 537 | ExecutorService e = new DirectExecutorService(); |
| 538 | try { |
| 539 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 540 | assertTrue(r.isEmpty()); |
| 541 | } finally { |
| 542 | joinPool(e); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | /** |
| 547 | * timed invokeAll(c) throws NPE if c has null elements |
| 548 | */ |
| 549 | public void testTimedInvokeAll3() throws InterruptedException { |
| 550 | ExecutorService e = new DirectExecutorService(); |
| 551 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 552 | l.add(new StringTask()); |
| 553 | l.add(null); |
| 554 | try { |
| 555 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 556 | shouldThrow(); |
| 557 | } catch (NullPointerException success) { |
| 558 | } finally { |
| 559 | joinPool(e); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * get of returned element of invokeAll(c) throws exception on failed task |
| 565 | */ |
| 566 | public void testTimedInvokeAll4() throws Exception { |
| 567 | ExecutorService e = new DirectExecutorService(); |
| 568 | try { |
| 569 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 570 | l.add(new NPETask()); |
| 571 | List<Future<String>> futures = |
| 572 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 573 | assertEquals(1, futures.size()); |
| 574 | try { |
| 575 | futures.get(0).get(); |
| 576 | shouldThrow(); |
| 577 | } catch (ExecutionException success) { |
| 578 | assertTrue(success.getCause() instanceof NullPointerException); |
| 579 | } |
| 580 | } finally { |
| 581 | joinPool(e); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | /** |
| 586 | * timed invokeAll(c) returns results of all completed tasks in c |
| 587 | */ |
| 588 | public void testTimedInvokeAll5() throws Exception { |
| 589 | ExecutorService e = new DirectExecutorService(); |
| 590 | try { |
| 591 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 592 | l.add(new StringTask()); |
| 593 | l.add(new StringTask()); |
| 594 | List<Future<String>> futures = |
| 595 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 596 | assertEquals(2, futures.size()); |
| 597 | for (Future<String> future : futures) |
| 598 | assertSame(TEST_STRING, future.get()); |
| 599 | } finally { |
| 600 | joinPool(e); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * timed invokeAll cancels tasks not completed by timeout |
| 606 | */ |
| 607 | public void testTimedInvokeAll6() throws InterruptedException { |
| 608 | ExecutorService e = new DirectExecutorService(); |
| 609 | try { |
| 610 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 611 | l.add(new StringTask()); |
| 612 | l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING)); |
| 613 | l.add(new StringTask()); |
| 614 | List<Future<String>> futures = |
| 615 | e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
| 616 | assertEquals(l.size(), futures.size()); |
| 617 | for (Future future : futures) |
| 618 | assertTrue(future.isDone()); |
| 619 | assertFalse(futures.get(0).isCancelled()); |
| 620 | assertFalse(futures.get(1).isCancelled()); |
| 621 | assertTrue(futures.get(2).isCancelled()); |
| 622 | } finally { |
| 623 | joinPool(e); |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | } |