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Revision Log
Revision 1.8 - (view) (download)
| 1 : | dl | 1.1 | /* |
| 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. | ||
| 6 : | */ | ||
| 7 : | |||
| 8 : | import junit.framework.*; | ||
| 9 : | import java.util.concurrent.*; | ||
| 10 : | dl | 1.4 | import java.util.*; |
| 11 : | dl | 1.1 | |
| 12 : | dl | 1.4 | public class FutureTaskTest extends JSR166TestCase { |
| 13 : | dl | 1.1 | |
| 14 : | public static void main(String[] args) { | ||
| 15 : | junit.textui.TestRunner.run (suite()); | ||
| 16 : | } | ||
| 17 : | public static Test suite() { | ||
| 18 : | return new TestSuite(FutureTaskTest.class); | ||
| 19 : | } | ||
| 20 : | |||
| 21 : | dl | 1.4 | /** |
| 22 : | * Subclass to expose protected methods | ||
| 23 : | */ | ||
| 24 : | dl | 1.7 | static class PublicFutureTask extends FutureTask { |
| 25 : | public PublicFutureTask(Callable r) { super(r); } | ||
| 26 : | dl | 1.4 | public boolean reset() { return super.reset(); } |
| 27 : | public void setCancelled() { super.setCancelled(); } | ||
| 28 : | public void set(Object x) { super.set(x); } | ||
| 29 : | public void setException(Throwable t) { super.setException(t); } | ||
| 30 : | } | ||
| 31 : | dl | 1.1 | |
| 32 : | dl | 1.5 | /** |
| 33 : | dl | 1.6 | * Creating a future with a null callable throws NPE |
| 34 : | dl | 1.5 | */ |
| 35 : | public void testConstructor() { | ||
| 36 : | dl | 1.3 | try { |
| 37 : | FutureTask task = new FutureTask(null); | ||
| 38 : | dl | 1.5 | shouldThrow(); |
| 39 : | dl | 1.3 | } |
| 40 : | catch(NullPointerException success) { | ||
| 41 : | } | ||
| 42 : | } | ||
| 43 : | |||
| 44 : | dl | 1.5 | /** |
| 45 : | dl | 1.6 | * creating a future with null runnable fails |
| 46 : | dl | 1.5 | */ |
| 47 : | public void testConstructor2() { | ||
| 48 : | dl | 1.3 | try { |
| 49 : | FutureTask task = new FutureTask(null, Boolean.TRUE); | ||
| 50 : | dl | 1.5 | shouldThrow(); |
| 51 : | dl | 1.3 | } |
| 52 : | catch(NullPointerException success) { | ||
| 53 : | } | ||
| 54 : | } | ||
| 55 : | |||
| 56 : | dl | 1.5 | /** |
| 57 : | dl | 1.6 | * isDone is true when a task completes |
| 58 : | dl | 1.5 | */ |
| 59 : | public void testIsDone() { | ||
| 60 : | dl | 1.4 | FutureTask task = new FutureTask( new NoOpCallable()); |
| 61 : | task.run(); | ||
| 62 : | assertTrue(task.isDone()); | ||
| 63 : | assertFalse(task.isCancelled()); | ||
| 64 : | } | ||
| 65 : | |||
| 66 : | dl | 1.5 | /** |
| 67 : | dl | 1.6 | * reset of a done task succeeds and changes status to not done |
| 68 : | dl | 1.5 | */ |
| 69 : | public void testReset() { | ||
| 70 : | dl | 1.7 | PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 71 : | dl | 1.4 | task.run(); |
| 72 : | assertTrue(task.isDone()); | ||
| 73 : | dl | 1.6 | assertTrue(task.reset()); |
| 74 : | assertFalse(task.isDone()); | ||
| 75 : | dl | 1.4 | } |
| 76 : | |||
| 77 : | dl | 1.5 | /** |
| 78 : | dl | 1.6 | * Resetting after cancellation fails |
| 79 : | dl | 1.5 | */ |
| 80 : | dl | 1.4 | public void testResetAfterCancel() { |
| 81 : | dl | 1.7 | PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 82 : | dl | 1.4 | assertTrue(task.cancel(false)); |
| 83 : | dl | 1.1 | task.run(); |
| 84 : | assertTrue(task.isDone()); | ||
| 85 : | dl | 1.4 | assertTrue(task.isCancelled()); |
| 86 : | assertFalse(task.reset()); | ||
| 87 : | } | ||
| 88 : | |||
| 89 : | dl | 1.1 | |
| 90 : | dl | 1.5 | /** |
| 91 : | dl | 1.6 | * setCancelled of a new task causes isCancelled to be true |
| 92 : | dl | 1.5 | */ |
| 93 : | dl | 1.4 | public void testSetCancelled() { |
| 94 : | dl | 1.7 | PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 95 : | dl | 1.4 | assertTrue(task.cancel(false)); |
| 96 : | task.setCancelled(); | ||
| 97 : | assertTrue(task.isDone()); | ||
| 98 : | assertTrue(task.isCancelled()); | ||
| 99 : | } | ||
| 100 : | |||
| 101 : | dl | 1.5 | /** |
| 102 : | dl | 1.6 | * setting value gauses get to return it |
| 103 : | dl | 1.5 | */ |
| 104 : | dl | 1.4 | public void testSet() { |
| 105 : | dl | 1.7 | PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 106 : | dl | 1.4 | task.set(one); |
| 107 : | try { | ||
| 108 : | assertEquals(task.get(), one); | ||
| 109 : | } | ||
| 110 : | catch(Exception e) { | ||
| 111 : | dl | 1.5 | unexpectedException(); |
| 112 : | dl | 1.4 | } |
| 113 : | } | ||
| 114 : | |||
| 115 : | dl | 1.5 | /** |
| 116 : | dl | 1.6 | * setException causes get to throw ExecutionException |
| 117 : | dl | 1.5 | */ |
| 118 : | dl | 1.4 | public void testSetException() { |
| 119 : | Exception nse = new NoSuchElementException(); | ||
| 120 : | dl | 1.7 | PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 121 : | dl | 1.4 | task.setException(nse); |
| 122 : | try { | ||
| 123 : | Object x = task.get(); | ||
| 124 : | dl | 1.5 | shouldThrow(); |
| 125 : | dl | 1.4 | } |
| 126 : | catch(ExecutionException ee) { | ||
| 127 : | Throwable cause = ee.getCause(); | ||
| 128 : | assertEquals(cause, nse); | ||
| 129 : | } | ||
| 130 : | catch(Exception e) { | ||
| 131 : | dl | 1.5 | unexpectedException(); |
| 132 : | dl | 1.4 | } |
| 133 : | } | ||
| 134 : | |||
| 135 : | dl | 1.5 | /** |
| 136 : | dl | 1.6 | * Cancelling before running succeeds |
| 137 : | dl | 1.5 | */ |
| 138 : | dl | 1.1 | public void testCancelBeforeRun() { |
| 139 : | dl | 1.4 | FutureTask task = new FutureTask( new NoOpCallable()); |
| 140 : | dl | 1.1 | assertTrue(task.cancel(false)); |
| 141 : | task.run(); | ||
| 142 : | assertTrue(task.isDone()); | ||
| 143 : | assertTrue(task.isCancelled()); | ||
| 144 : | } | ||
| 145 : | |||
| 146 : | dl | 1.5 | /** |
| 147 : | dl | 1.6 | * Cancel(true) before run succeeds |
| 148 : | dl | 1.5 | */ |
| 149 : | dl | 1.1 | public void testCancelBeforeRun2() { |
| 150 : | dl | 1.4 | FutureTask task = new FutureTask( new NoOpCallable()); |
| 151 : | dl | 1.1 | assertTrue(task.cancel(true)); |
| 152 : | task.run(); | ||
| 153 : | assertTrue(task.isDone()); | ||
| 154 : | assertTrue(task.isCancelled()); | ||
| 155 : | } | ||
| 156 : | |||
| 157 : | dl | 1.5 | /** |
| 158 : | dl | 1.6 | * cancel of a completed task fails |
| 159 : | dl | 1.5 | */ |
| 160 : | dl | 1.1 | public void testCancelAfterRun() { |
| 161 : | dl | 1.4 | FutureTask task = new FutureTask( new NoOpCallable()); |
| 162 : | dl | 1.1 | task.run(); |
| 163 : | assertFalse(task.cancel(false)); | ||
| 164 : | assertTrue(task.isDone()); | ||
| 165 : | assertFalse(task.isCancelled()); | ||
| 166 : | } | ||
| 167 : | |||
| 168 : | dl | 1.5 | /** |
| 169 : | dl | 1.6 | * cancel(true) interrupts a running task |
| 170 : | dl | 1.5 | */ |
| 171 : | public void testCancelInterrupt() { | ||
| 172 : | dl | 1.1 | FutureTask task = new FutureTask( new Callable() { |
| 173 : | public Object call() { | ||
| 174 : | try { | ||
| 175 : | dl | 1.4 | Thread.sleep(MEDIUM_DELAY_MS); |
| 176 : | dl | 1.5 | threadShouldThrow(); |
| 177 : | dl | 1.1 | } |
| 178 : | catch (InterruptedException success) {} | ||
| 179 : | return Boolean.TRUE; | ||
| 180 : | } }); | ||
| 181 : | Thread t = new Thread(task); | ||
| 182 : | t.start(); | ||
| 183 : | |||
| 184 : | dl | 1.5 | try { |
| 185 : | dl | 1.1 | Thread.sleep(SHORT_DELAY_MS); |
| 186 : | assertTrue(task.cancel(true)); | ||
| 187 : | t.join(); | ||
| 188 : | assertTrue(task.isDone()); | ||
| 189 : | assertTrue(task.isCancelled()); | ||
| 190 : | } catch(InterruptedException e){ | ||
| 191 : | dl | 1.5 | unexpectedException(); |
| 192 : | dl | 1.1 | } |
| 193 : | } | ||
| 194 : | |||
| 195 : | |||
| 196 : | dl | 1.5 | /** |
| 197 : | dl | 1.6 | * cancel(false) does not interrupt a running task |
| 198 : | dl | 1.5 | */ |
| 199 : | public void testCancelNoInterrupt() { | ||
| 200 : | dl | 1.1 | FutureTask task = new FutureTask( new Callable() { |
| 201 : | public Object call() { | ||
| 202 : | try { | ||
| 203 : | dl | 1.4 | Thread.sleep(MEDIUM_DELAY_MS); |
| 204 : | dl | 1.1 | } |
| 205 : | catch (InterruptedException success) { | ||
| 206 : | dl | 1.4 | threadFail("should not interrupt"); |
| 207 : | dl | 1.1 | } |
| 208 : | return Boolean.TRUE; | ||
| 209 : | } }); | ||
| 210 : | Thread t = new Thread(task); | ||
| 211 : | t.start(); | ||
| 212 : | |||
| 213 : | dl | 1.5 | try { |
| 214 : | dl | 1.1 | Thread.sleep(SHORT_DELAY_MS); |
| 215 : | assertTrue(task.cancel(false)); | ||
| 216 : | t.join(); | ||
| 217 : | assertTrue(task.isDone()); | ||
| 218 : | assertTrue(task.isCancelled()); | ||
| 219 : | } catch(InterruptedException e){ | ||
| 220 : | dl | 1.5 | unexpectedException(); |
| 221 : | dl | 1.1 | } |
| 222 : | } | ||
| 223 : | |||
| 224 : | dl | 1.5 | /** |
| 225 : | dl | 1.6 | * set in one thread causes get in another thread to retrieve value |
| 226 : | dl | 1.5 | */ |
| 227 : | dl | 1.1 | public void testGet1() { |
| 228 : | dl | 1.5 | final FutureTask ft = new FutureTask(new Callable() { |
| 229 : | public Object call() { | ||
| 230 : | try { | ||
| 231 : | dl | 1.1 | Thread.sleep(MEDIUM_DELAY_MS); |
| 232 : | dl | 1.2 | } catch(InterruptedException e){ |
| 233 : | dl | 1.5 | threadUnexpectedException(); |
| 234 : | dl | 1.1 | } |
| 235 : | return Boolean.TRUE; | ||
| 236 : | } | ||
| 237 : | }); | ||
| 238 : | dl | 1.5 | Thread t = new Thread(new Runnable() { |
| 239 : | public void run() { | ||
| 240 : | try { | ||
| 241 : | dl | 1.1 | ft.get(); |
| 242 : | dl | 1.2 | } catch(Exception e){ |
| 243 : | dl | 1.5 | threadUnexpectedException(); |
| 244 : | dl | 1.1 | } |
| 245 : | } | ||
| 246 : | }); | ||
| 247 : | dl | 1.5 | try { |
| 248 : | dl | 1.1 | assertFalse(ft.isDone()); |
| 249 : | assertFalse(ft.isCancelled()); | ||
| 250 : | t.start(); | ||
| 251 : | Thread.sleep(SHORT_DELAY_MS); | ||
| 252 : | ft.run(); | ||
| 253 : | t.join(); | ||
| 254 : | assertTrue(ft.isDone()); | ||
| 255 : | assertFalse(ft.isCancelled()); | ||
| 256 : | } catch(InterruptedException e){ | ||
| 257 : | dl | 1.5 | unexpectedException(); |
| 258 : | dl | 1.1 | |
| 259 : | } | ||
| 260 : | } | ||
| 261 : | |||
| 262 : | dl | 1.5 | /** |
| 263 : | dl | 1.6 | * set in one thread causes timed get in another thread to retrieve value |
| 264 : | dl | 1.5 | */ |
| 265 : | dl | 1.1 | public void testTimedGet1() { |
| 266 : | dl | 1.5 | final FutureTask ft = new FutureTask(new Callable() { |
| 267 : | public Object call() { | ||
| 268 : | try { | ||
| 269 : | dl | 1.1 | Thread.sleep(MEDIUM_DELAY_MS); |
| 270 : | dl | 1.2 | } catch(InterruptedException e){ |
| 271 : | dl | 1.5 | threadUnexpectedException(); |
| 272 : | dl | 1.1 | } |
| 273 : | return Boolean.TRUE; | ||
| 274 : | } | ||
| 275 : | }); | ||
| 276 : | dl | 1.5 | Thread t = new Thread(new Runnable() { |
| 277 : | public void run() { | ||
| 278 : | try { | ||
| 279 : | dl | 1.1 | ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
| 280 : | } catch(TimeoutException success) { | ||
| 281 : | } catch(Exception e){ | ||
| 282 : | dl | 1.5 | threadUnexpectedException(); |
| 283 : | dl | 1.1 | } |
| 284 : | } | ||
| 285 : | }); | ||
| 286 : | dl | 1.5 | try { |
| 287 : | dl | 1.1 | assertFalse(ft.isDone()); |
| 288 : | assertFalse(ft.isCancelled()); | ||
| 289 : | t.start(); | ||
| 290 : | ft.run(); | ||
| 291 : | t.join(); | ||
| 292 : | assertTrue(ft.isDone()); | ||
| 293 : | assertFalse(ft.isCancelled()); | ||
| 294 : | } catch(InterruptedException e){ | ||
| 295 : | dl | 1.5 | unexpectedException(); |
| 296 : | dl | 1.1 | |
| 297 : | } | ||
| 298 : | } | ||
| 299 : | |||
| 300 : | dl | 1.5 | /** |
| 301 : | dl | 1.6 | * Cancelling a task causes timed get in another thread to throw CancellationException |
| 302 : | dl | 1.5 | */ |
| 303 : | dl | 1.6 | public void testTimedGet_Cancellation() { |
| 304 : | dl | 1.5 | final FutureTask ft = new FutureTask(new Callable() { |
| 305 : | public Object call() { | ||
| 306 : | try { | ||
| 307 : | dl | 1.6 | Thread.sleep(SMALL_DELAY_MS); |
| 308 : | threadShouldThrow(); | ||
| 309 : | } catch(InterruptedException e) { | ||
| 310 : | dl | 1.1 | } |
| 311 : | dl | 1.6 | return Boolean.TRUE; |
| 312 : | dl | 1.1 | } |
| 313 : | }); | ||
| 314 : | try { | ||
| 315 : | dl | 1.6 | Thread t1 = new Thread(new Runnable() { |
| 316 : | dl | 1.5 | public void run() { |
| 317 : | try { | ||
| 318 : | dl | 1.6 | ft.get(MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
| 319 : | dl | 1.5 | threadShouldThrow(); |
| 320 : | dl | 1.6 | } catch(CancellationException success) {} |
| 321 : | dl | 1.1 | catch(Exception e){ |
| 322 : | dl | 1.5 | threadUnexpectedException(); |
| 323 : | dl | 1.6 | } |
| 324 : | dl | 1.1 | } |
| 325 : | }); | ||
| 326 : | dl | 1.6 | Thread t2 = new Thread(ft); |
| 327 : | t1.start(); | ||
| 328 : | t2.start(); | ||
| 329 : | Thread.sleep(SHORT_DELAY_MS); | ||
| 330 : | dl | 1.1 | ft.cancel(true); |
| 331 : | dl | 1.6 | t1.join(); |
| 332 : | t2.join(); | ||
| 333 : | } catch(InterruptedException ie){ | ||
| 334 : | dl | 1.5 | unexpectedException(); |
| 335 : | dl | 1.1 | } |
| 336 : | } | ||
| 337 : | dl | 1.6 | |
| 338 : | dl | 1.5 | /** |
| 339 : | dl | 1.6 | * Cancelling a task causes get in another thread to throw CancellationException |
| 340 : | dl | 1.5 | */ |
| 341 : | dl | 1.6 | public void testGet_Cancellation() { |
| 342 : | dl | 1.5 | final FutureTask ft = new FutureTask(new Callable() { |
| 343 : | public Object call() { | ||
| 344 : | try { | ||
| 345 : | dl | 1.6 | Thread.sleep(MEDIUM_DELAY_MS); |
| 346 : | threadShouldThrow(); | ||
| 347 : | } catch(InterruptedException e){ | ||
| 348 : | dl | 1.1 | } |
| 349 : | dl | 1.6 | return Boolean.TRUE; |
| 350 : | dl | 1.1 | } |
| 351 : | }); | ||
| 352 : | dl | 1.5 | try { |
| 353 : | dl | 1.6 | Thread t1 = new Thread(new Runnable() { |
| 354 : | dl | 1.5 | public void run() { |
| 355 : | try { | ||
| 356 : | dl | 1.6 | ft.get(); |
| 357 : | dl | 1.5 | threadShouldThrow(); |
| 358 : | dl | 1.6 | } catch(CancellationException success){ |
| 359 : | } | ||
| 360 : | dl | 1.1 | catch(Exception e){ |
| 361 : | dl | 1.5 | threadUnexpectedException(); |
| 362 : | dl | 1.6 | } |
| 363 : | dl | 1.1 | } |
| 364 : | }); | ||
| 365 : | dl | 1.6 | Thread t2 = new Thread(ft); |
| 366 : | t1.start(); | ||
| 367 : | t2.start(); | ||
| 368 : | Thread.sleep(SHORT_DELAY_MS); | ||
| 369 : | dl | 1.1 | ft.cancel(true); |
| 370 : | dl | 1.6 | t1.join(); |
| 371 : | t2.join(); | ||
| 372 : | } catch(InterruptedException success){ | ||
| 373 : | dl | 1.5 | unexpectedException(); |
| 374 : | dl | 1.1 | } |
| 375 : | } | ||
| 376 : | dl | 1.6 | |
| 377 : | dl | 1.1 | |
| 378 : | dl | 1.5 | /** |
| 379 : | dl | 1.6 | * A runtime exception in task causes get to throw ExecutionException |
| 380 : | dl | 1.5 | */ |
| 381 : | public void testGet_ExecutionException() { | ||
| 382 : | final FutureTask ft = new FutureTask(new Callable() { | ||
| 383 : | public Object call() { | ||
| 384 : | dl | 1.1 | int i = 5/0; |
| 385 : | return Boolean.TRUE; | ||
| 386 : | } | ||
| 387 : | }); | ||
| 388 : | dl | 1.5 | try { |
| 389 : | dl | 1.1 | ft.run(); |
| 390 : | ft.get(); | ||
| 391 : | dl | 1.5 | shouldThrow(); |
| 392 : | dl | 1.2 | } catch(ExecutionException success){ |
| 393 : | dl | 1.1 | } |
| 394 : | catch(Exception e){ | ||
| 395 : | dl | 1.5 | unexpectedException(); |
| 396 : | dl | 1.1 | } |
| 397 : | } | ||
| 398 : | |||
| 399 : | dl | 1.5 | /** |
| 400 : | dl | 1.6 | * A runtime exception in task causes timed get to throw ExecutionException |
| 401 : | dl | 1.5 | */ |
| 402 : | public void testTimedGet_ExecutionException2() { | ||
| 403 : | final FutureTask ft = new FutureTask(new Callable() { | ||
| 404 : | public Object call() { | ||
| 405 : | dl | 1.1 | int i = 5/0; |
| 406 : | return Boolean.TRUE; | ||
| 407 : | } | ||
| 408 : | }); | ||
| 409 : | dl | 1.5 | try { |
| 410 : | dl | 1.1 | ft.run(); |
| 411 : | ft.get(SHORT_DELAY_MS, TimeUnit.MILLISECONDS); | ||
| 412 : | dl | 1.5 | shouldThrow(); |
| 413 : | dl | 1.2 | } catch(ExecutionException success) { |
| 414 : | } catch(TimeoutException success) { } // unlikely but OK | ||
| 415 : | dl | 1.1 | catch(Exception e){ |
| 416 : | dl | 1.5 | unexpectedException(); |
| 417 : | dl | 1.1 | } |
| 418 : | } | ||
| 419 : | |||
| 420 : | |||
| 421 : | dl | 1.5 | /** |
| 422 : | dl | 1.6 | * Interrupting a waiting get causes it to throw InterruptedException |
| 423 : | dl | 1.5 | */ |
| 424 : | public void testGet_InterruptedException() { | ||
| 425 : | dl | 1.4 | final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 426 : | dl | 1.5 | Thread t = new Thread(new Runnable() { |
| 427 : | public void run() { | ||
| 428 : | try { | ||
| 429 : | dl | 1.1 | ft.get(); |
| 430 : | dl | 1.5 | threadShouldThrow(); |
| 431 : | dl | 1.1 | } catch(InterruptedException success){ |
| 432 : | } catch(Exception e){ | ||
| 433 : | dl | 1.5 | threadUnexpectedException(); |
| 434 : | dl | 1.1 | } |
| 435 : | } | ||
| 436 : | }); | ||
| 437 : | try { | ||
| 438 : | t.start(); | ||
| 439 : | Thread.sleep(SHORT_DELAY_MS); | ||
| 440 : | t.interrupt(); | ||
| 441 : | t.join(); | ||
| 442 : | } catch(Exception e){ | ||
| 443 : | dl | 1.5 | unexpectedException(); |
| 444 : | dl | 1.1 | } |
| 445 : | } | ||
| 446 : | |||
| 447 : | dl | 1.5 | /** |
| 448 : | dl | 1.6 | * Interrupting a waiting timed get causes it to throw InterruptedException |
| 449 : | dl | 1.5 | */ |
| 450 : | public void testTimedGet_InterruptedException2() { | ||
| 451 : | dl | 1.4 | final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 452 : | dl | 1.5 | Thread t = new Thread(new Runnable() { |
| 453 : | public void run() { | ||
| 454 : | try { | ||
| 455 : | dl | 1.4 | ft.get(LONG_DELAY_MS,TimeUnit.MILLISECONDS); |
| 456 : | dl | 1.5 | threadShouldThrow(); |
| 457 : | dl | 1.2 | } catch(InterruptedException success){} |
| 458 : | dl | 1.1 | catch(Exception e){ |
| 459 : | dl | 1.5 | threadUnexpectedException(); |
| 460 : | dl | 1.1 | } |
| 461 : | } | ||
| 462 : | }); | ||
| 463 : | try { | ||
| 464 : | t.start(); | ||
| 465 : | Thread.sleep(SHORT_DELAY_MS); | ||
| 466 : | t.interrupt(); | ||
| 467 : | t.join(); | ||
| 468 : | } catch(Exception e){ | ||
| 469 : | dl | 1.5 | unexpectedException(); |
| 470 : | dl | 1.1 | } |
| 471 : | } | ||
| 472 : | |||
| 473 : | dl | 1.5 | /** |
| 474 : | dl | 1.6 | * A timed out timed get throws TimeoutException |
| 475 : | dl | 1.5 | */ |
| 476 : | public void testGet_TimeoutException() { | ||
| 477 : | try { | ||
| 478 : | dl | 1.4 | FutureTask ft = new FutureTask(new NoOpCallable()); |
| 479 : | dl | 1.1 | ft.get(1,TimeUnit.MILLISECONDS); |
| 480 : | dl | 1.5 | shouldThrow(); |
| 481 : | dl | 1.2 | } catch(TimeoutException success){} |
| 482 : | catch(Exception success){ | ||
| 483 : | dl | 1.5 | unexpectedException(); |
| 484 : | dl | 1.1 | } |
| 485 : | } | ||
| 486 : | |||
| 487 : | } |
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