| 9 |
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import junit.framework.*; |
| 10 |
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import java.util.concurrent.*; |
| 11 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 12 |
+ |
import static java.util.concurrent.TimeUnit.SECONDS; |
| 13 |
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import java.util.*; |
| 14 |
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|
| 15 |
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public class FutureTaskTest extends JSR166TestCase { |
| 16 |
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|
| 17 |
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public static void main(String[] args) { |
| 18 |
< |
junit.textui.TestRunner.run (suite()); |
| 18 |
> |
junit.textui.TestRunner.run(suite()); |
| 19 |
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} |
| 20 |
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public static Test suite() { |
| 21 |
< |
return new TestSuite(FutureTaskTest.class); |
| 21 |
> |
return new TestSuite(FutureTaskTest.class); |
| 22 |
> |
} |
| 23 |
> |
|
| 24 |
> |
void checkNotDone(Future<?> f) { |
| 25 |
> |
assertFalse(f.isDone()); |
| 26 |
> |
assertFalse(f.isCancelled()); |
| 27 |
> |
} |
| 28 |
> |
|
| 29 |
> |
<T> void checkCompletedNormally(Future<T> f, T expected) { |
| 30 |
> |
assertTrue(f.isDone()); |
| 31 |
> |
assertFalse(f.isCancelled()); |
| 32 |
> |
|
| 33 |
> |
try { |
| 34 |
> |
assertSame(expected, f.get()); |
| 35 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 36 |
> |
try { |
| 37 |
> |
assertSame(expected, f.get(5L, SECONDS)); |
| 38 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 39 |
> |
|
| 40 |
> |
assertFalse(f.cancel(false)); |
| 41 |
> |
assertFalse(f.cancel(true)); |
| 42 |
> |
} |
| 43 |
> |
|
| 44 |
> |
void checkCancelled(Future<?> f) { |
| 45 |
> |
assertTrue(f.isDone()); |
| 46 |
> |
assertTrue(f.isCancelled()); |
| 47 |
> |
|
| 48 |
> |
try { |
| 49 |
> |
f.get(); |
| 50 |
> |
shouldThrow(); |
| 51 |
> |
} catch (CancellationException success) { |
| 52 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 53 |
> |
|
| 54 |
> |
try { |
| 55 |
> |
f.get(5L, SECONDS); |
| 56 |
> |
shouldThrow(); |
| 57 |
> |
} catch (CancellationException success) { |
| 58 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 59 |
> |
|
| 60 |
> |
assertFalse(f.cancel(false)); |
| 61 |
> |
assertFalse(f.cancel(true)); |
| 62 |
> |
} |
| 63 |
> |
|
| 64 |
> |
void checkCompletedAbnormally(Future<?> f, Throwable t) { |
| 65 |
> |
assertTrue(f.isDone()); |
| 66 |
> |
assertFalse(f.isCancelled()); |
| 67 |
> |
|
| 68 |
> |
try { |
| 69 |
> |
f.get(); |
| 70 |
> |
shouldThrow(); |
| 71 |
> |
} catch (ExecutionException success) { |
| 72 |
> |
assertSame(t, success.getCause()); |
| 73 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 74 |
> |
|
| 75 |
> |
try { |
| 76 |
> |
f.get(5L, SECONDS); |
| 77 |
> |
shouldThrow(); |
| 78 |
> |
} catch (ExecutionException success) { |
| 79 |
> |
assertSame(t, success.getCause()); |
| 80 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
| 81 |
> |
|
| 82 |
> |
assertFalse(f.cancel(false)); |
| 83 |
> |
assertFalse(f.cancel(true)); |
| 84 |
|
} |
| 85 |
|
|
| 86 |
|
/** |
| 99 |
|
public void testConstructor() { |
| 100 |
|
try { |
| 101 |
|
FutureTask task = new FutureTask(null); |
| 102 |
< |
shouldThrow("NullPointerException"); |
| 102 |
> |
shouldThrow(); |
| 103 |
|
} catch (NullPointerException success) {} |
| 104 |
|
} |
| 105 |
|
|
| 109 |
|
public void testConstructor2() { |
| 110 |
|
try { |
| 111 |
|
FutureTask task = new FutureTask(null, Boolean.TRUE); |
| 112 |
< |
shouldThrow("NullPointerException"); |
| 112 |
> |
shouldThrow(); |
| 113 |
|
} catch (NullPointerException success) {} |
| 114 |
|
} |
| 115 |
|
|
| 118 |
|
*/ |
| 119 |
|
public void testIsDone() { |
| 120 |
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FutureTask task = new FutureTask(new NoOpCallable()); |
| 121 |
< |
task.run(); |
| 122 |
< |
assertTrue(task.isDone()); |
| 123 |
< |
assertFalse(task.isCancelled()); |
| 121 |
> |
task.run(); |
| 122 |
> |
assertTrue(task.isDone()); |
| 123 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 124 |
|
} |
| 125 |
|
|
| 126 |
|
/** |
| 128 |
|
*/ |
| 129 |
|
public void testRunAndReset() { |
| 130 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 131 |
< |
assertTrue(task.runAndReset()); |
| 132 |
< |
assertFalse(task.isDone()); |
| 131 |
> |
assertTrue(task.runAndReset()); |
| 132 |
> |
checkNotDone(task); |
| 133 |
|
} |
| 134 |
|
|
| 135 |
|
/** |
| 138 |
|
public void testResetAfterCancel() { |
| 139 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 140 |
|
assertTrue(task.cancel(false)); |
| 141 |
< |
assertFalse(task.runAndReset()); |
| 142 |
< |
assertTrue(task.isDone()); |
| 80 |
< |
assertTrue(task.isCancelled()); |
| 141 |
> |
assertFalse(task.runAndReset()); |
| 142 |
> |
checkCancelled(task); |
| 143 |
|
} |
| 144 |
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|
| 145 |
|
|
| 84 |
– |
|
| 146 |
|
/** |
| 147 |
|
* setting value causes get to return it |
| 148 |
|
*/ |
| 149 |
|
public void testSet() throws Exception { |
| 150 |
|
PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
| 151 |
|
task.set(one); |
| 152 |
< |
assertEquals(task.get(), one); |
| 152 |
> |
assertSame(task.get(), one); |
| 153 |
> |
checkCompletedNormally(task, one); |
| 154 |
|
} |
| 155 |
|
|
| 156 |
|
/** |
| 162 |
|
task.setException(nse); |
| 163 |
|
try { |
| 164 |
|
Object x = task.get(); |
| 165 |
< |
shouldThrow("ExecutionException"); |
| 165 |
> |
shouldThrow(); |
| 166 |
|
} catch (ExecutionException success) { |
| 167 |
|
assertSame(success.getCause(), nse); |
| 168 |
+ |
checkCompletedAbnormally(task, nse); |
| 169 |
|
} |
| 170 |
|
} |
| 171 |
|
|
| 172 |
|
/** |
| 173 |
< |
* Cancelling before running succeeds |
| 173 |
> |
* Cancelling before running succeeds |
| 174 |
|
*/ |
| 175 |
|
public void testCancelBeforeRun() { |
| 176 |
|
FutureTask task = new FutureTask(new NoOpCallable()); |
| 177 |
|
assertTrue(task.cancel(false)); |
| 178 |
< |
task.run(); |
| 179 |
< |
assertTrue(task.isDone()); |
| 117 |
< |
assertTrue(task.isCancelled()); |
| 178 |
> |
task.run(); |
| 179 |
> |
checkCancelled(task); |
| 180 |
|
} |
| 181 |
|
|
| 182 |
|
/** |
| 185 |
|
public void testCancelBeforeRun2() { |
| 186 |
|
FutureTask task = new FutureTask(new NoOpCallable()); |
| 187 |
|
assertTrue(task.cancel(true)); |
| 188 |
< |
task.run(); |
| 189 |
< |
assertTrue(task.isDone()); |
| 128 |
< |
assertTrue(task.isCancelled()); |
| 188 |
> |
task.run(); |
| 189 |
> |
checkCancelled(task); |
| 190 |
|
} |
| 191 |
|
|
| 192 |
|
/** |
| 194 |
|
*/ |
| 195 |
|
public void testCancelAfterRun() { |
| 196 |
|
FutureTask task = new FutureTask(new NoOpCallable()); |
| 197 |
< |
task.run(); |
| 197 |
> |
task.run(); |
| 198 |
|
assertFalse(task.cancel(false)); |
| 199 |
< |
assertTrue(task.isDone()); |
| 139 |
< |
assertFalse(task.isCancelled()); |
| 199 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 200 |
|
} |
| 201 |
|
|
| 202 |
|
/** |
| 203 |
|
* cancel(true) interrupts a running task |
| 204 |
|
*/ |
| 205 |
|
public void testCancelInterrupt() throws InterruptedException { |
| 206 |
< |
final FutureTask task = |
| 207 |
< |
new FutureTask(new CheckedInterruptedCallable<Object>() { |
| 208 |
< |
public Object realCall() throws InterruptedException { |
| 209 |
< |
Thread.sleep(SMALL_DELAY_MS); |
| 210 |
< |
return Boolean.TRUE; |
| 206 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 207 |
> |
final FutureTask task = |
| 208 |
> |
new FutureTask(new CheckedCallable<Object>() { |
| 209 |
> |
public Object realCall() { |
| 210 |
> |
threadStarted.countDown(); |
| 211 |
> |
long t0 = System.nanoTime(); |
| 212 |
> |
for (;;) { |
| 213 |
> |
if (Thread.interrupted()) |
| 214 |
> |
return Boolean.TRUE; |
| 215 |
> |
if (millisElapsedSince(t0) > MEDIUM_DELAY_MS) |
| 216 |
> |
fail("interrupt not delivered"); |
| 217 |
> |
Thread.yield(); |
| 218 |
> |
} |
| 219 |
|
}}); |
| 220 |
|
|
| 221 |
< |
Thread t = new Thread(task); |
| 222 |
< |
t.start(); |
| 155 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 221 |
> |
Thread t = newStartedThread(task); |
| 222 |
> |
threadStarted.await(); |
| 223 |
|
assertTrue(task.cancel(true)); |
| 224 |
< |
t.join(); |
| 225 |
< |
assertTrue(task.isDone()); |
| 226 |
< |
assertTrue(task.isCancelled()); |
| 224 |
> |
checkCancelled(task); |
| 225 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 226 |
> |
checkCancelled(task); |
| 227 |
|
} |
| 228 |
|
|
| 162 |
– |
|
| 229 |
|
/** |
| 230 |
|
* cancel(false) does not interrupt a running task |
| 231 |
|
*/ |
| 232 |
|
public void testCancelNoInterrupt() throws InterruptedException { |
| 233 |
< |
final FutureTask task = |
| 234 |
< |
new FutureTask(new CheckedCallable<Object>() { |
| 235 |
< |
public Object realCall() throws InterruptedException { |
| 236 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
| 233 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 234 |
> |
final CountDownLatch cancelled = new CountDownLatch(1); |
| 235 |
> |
final FutureTask<Boolean> task = |
| 236 |
> |
new FutureTask<Boolean>(new CheckedCallable<Boolean>() { |
| 237 |
> |
public Boolean realCall() throws InterruptedException { |
| 238 |
> |
threadStarted.countDown(); |
| 239 |
> |
cancelled.await(MEDIUM_DELAY_MS, MILLISECONDS); |
| 240 |
> |
assertFalse(Thread.interrupted()); |
| 241 |
|
return Boolean.TRUE; |
| 242 |
|
}}); |
| 243 |
|
|
| 244 |
< |
Thread t = new Thread(task); |
| 245 |
< |
t.start(); |
| 176 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 244 |
> |
Thread t = newStartedThread(task); |
| 245 |
> |
threadStarted.await(); |
| 246 |
|
assertTrue(task.cancel(false)); |
| 247 |
< |
t.join(); |
| 248 |
< |
assertTrue(task.isDone()); |
| 249 |
< |
assertTrue(task.isCancelled()); |
| 247 |
> |
checkCancelled(task); |
| 248 |
> |
cancelled.countDown(); |
| 249 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 250 |
> |
checkCancelled(task); |
| 251 |
> |
} |
| 252 |
> |
|
| 253 |
> |
/** |
| 254 |
> |
* run in one thread causes get in another thread to retrieve value |
| 255 |
> |
*/ |
| 256 |
> |
public void testGetRun() throws InterruptedException { |
| 257 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 258 |
> |
|
| 259 |
> |
final FutureTask task = |
| 260 |
> |
new FutureTask(new CheckedCallable<Object>() { |
| 261 |
> |
public Object realCall() throws InterruptedException { |
| 262 |
> |
return Boolean.TRUE; |
| 263 |
> |
}}); |
| 264 |
> |
|
| 265 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 266 |
> |
public void realRun() throws Exception { |
| 267 |
> |
threadStarted.countDown(); |
| 268 |
> |
assertSame(Boolean.TRUE, task.get()); |
| 269 |
> |
}}); |
| 270 |
> |
|
| 271 |
> |
threadStarted.await(); |
| 272 |
> |
checkNotDone(task); |
| 273 |
> |
assertTrue(t.isAlive()); |
| 274 |
> |
task.run(); |
| 275 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 276 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 277 |
|
} |
| 278 |
|
|
| 279 |
|
/** |
| 280 |
|
* set in one thread causes get in another thread to retrieve value |
| 281 |
|
*/ |
| 282 |
< |
public void testGet1() throws InterruptedException { |
| 283 |
< |
final FutureTask ft = |
| 282 |
> |
public void testGetSet() throws InterruptedException { |
| 283 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 284 |
> |
|
| 285 |
> |
final PublicFutureTask task = |
| 286 |
> |
new PublicFutureTask(new CheckedCallable<Object>() { |
| 287 |
> |
public Object realCall() throws InterruptedException { |
| 288 |
> |
return Boolean.TRUE; |
| 289 |
> |
}}); |
| 290 |
> |
|
| 291 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 292 |
> |
public void realRun() throws Exception { |
| 293 |
> |
threadStarted.countDown(); |
| 294 |
> |
assertSame(Boolean.FALSE, task.get()); |
| 295 |
> |
}}); |
| 296 |
> |
|
| 297 |
> |
threadStarted.await(); |
| 298 |
> |
checkNotDone(task); |
| 299 |
> |
assertTrue(t.isAlive()); |
| 300 |
> |
task.set(Boolean.FALSE); |
| 301 |
> |
checkCompletedNormally(task, Boolean.FALSE); |
| 302 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 303 |
> |
} |
| 304 |
> |
|
| 305 |
> |
/** |
| 306 |
> |
* run in one thread causes timed get in another thread to retrieve value |
| 307 |
> |
*/ |
| 308 |
> |
public void testTimedGetRun() throws InterruptedException { |
| 309 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 310 |
> |
|
| 311 |
> |
final FutureTask task = |
| 312 |
|
new FutureTask(new CheckedCallable<Object>() { |
| 313 |
< |
public Object realCall() throws InterruptedException { |
| 313 |
> |
public Object realCall() throws InterruptedException { |
| 314 |
|
return Boolean.TRUE; |
| 315 |
|
}}); |
| 316 |
< |
Thread t = new Thread(new CheckedRunnable() { |
| 316 |
> |
|
| 317 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 318 |
|
public void realRun() throws Exception { |
| 319 |
< |
assertSame(Boolean.TRUE, ft.get()); |
| 319 |
> |
threadStarted.countDown(); |
| 320 |
> |
assertSame(Boolean.TRUE, |
| 321 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 322 |
|
}}); |
| 323 |
|
|
| 324 |
< |
assertFalse(ft.isDone()); |
| 325 |
< |
assertFalse(ft.isCancelled()); |
| 326 |
< |
t.start(); |
| 327 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 328 |
< |
ft.run(); |
| 329 |
< |
t.join(); |
| 203 |
< |
assertTrue(ft.isDone()); |
| 204 |
< |
assertFalse(ft.isCancelled()); |
| 324 |
> |
threadStarted.await(); |
| 325 |
> |
checkNotDone(task); |
| 326 |
> |
assertTrue(t.isAlive()); |
| 327 |
> |
task.run(); |
| 328 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 329 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 330 |
|
} |
| 331 |
|
|
| 332 |
|
/** |
| 333 |
|
* set in one thread causes timed get in another thread to retrieve value |
| 334 |
|
*/ |
| 335 |
< |
public void testTimedGet1() throws InterruptedException { |
| 336 |
< |
final FutureTask ft = |
| 337 |
< |
new FutureTask(new CheckedCallable<Object>() { |
| 338 |
< |
public Object realCall() throws InterruptedException { |
| 335 |
> |
public void testTimedGetSet() throws InterruptedException { |
| 336 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 337 |
> |
|
| 338 |
> |
final PublicFutureTask task = |
| 339 |
> |
new PublicFutureTask(new CheckedCallable<Object>() { |
| 340 |
> |
public Object realCall() throws InterruptedException { |
| 341 |
|
return Boolean.TRUE; |
| 342 |
|
}}); |
| 343 |
< |
Thread t = new Thread(new CheckedRunnable() { |
| 343 |
> |
|
| 344 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 345 |
|
public void realRun() throws Exception { |
| 346 |
< |
assertSame(Boolean.TRUE, ft.get(SMALL_DELAY_MS, MILLISECONDS)); |
| 346 |
> |
threadStarted.countDown(); |
| 347 |
> |
assertSame(Boolean.FALSE, |
| 348 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 349 |
|
}}); |
| 350 |
|
|
| 351 |
< |
assertFalse(ft.isDone()); |
| 352 |
< |
assertFalse(ft.isCancelled()); |
| 353 |
< |
t.start(); |
| 354 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 355 |
< |
ft.run(); |
| 356 |
< |
t.join(); |
| 227 |
< |
assertTrue(ft.isDone()); |
| 228 |
< |
assertFalse(ft.isCancelled()); |
| 351 |
> |
threadStarted.await(); |
| 352 |
> |
checkNotDone(task); |
| 353 |
> |
assertTrue(t.isAlive()); |
| 354 |
> |
task.set(Boolean.FALSE); |
| 355 |
> |
checkCompletedNormally(task, Boolean.FALSE); |
| 356 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 357 |
|
} |
| 358 |
|
|
| 359 |
|
/** |
| 360 |
< |
* Cancelling a task causes timed get in another thread to throw CancellationException |
| 360 |
> |
* Cancelling a task causes timed get in another thread to throw |
| 361 |
> |
* CancellationException |
| 362 |
|
*/ |
| 363 |
|
public void testTimedGet_Cancellation() throws InterruptedException { |
| 364 |
< |
final FutureTask ft = |
| 364 |
> |
final CountDownLatch threadStarted = new CountDownLatch(2); |
| 365 |
> |
final FutureTask task = |
| 366 |
|
new FutureTask(new CheckedInterruptedCallable<Object>() { |
| 367 |
< |
public Object realCall() throws InterruptedException { |
| 368 |
< |
Thread.sleep(SMALL_DELAY_MS); |
| 369 |
< |
return Boolean.TRUE; |
| 367 |
> |
public Object realCall() throws InterruptedException { |
| 368 |
> |
threadStarted.countDown(); |
| 369 |
> |
Thread.sleep(LONG_DELAY_MS); |
| 370 |
> |
return Boolean.TRUE; |
| 371 |
|
}}); |
| 372 |
|
|
| 373 |
|
Thread t1 = new ThreadShouldThrow(CancellationException.class) { |
| 374 |
|
public void realRun() throws Exception { |
| 375 |
< |
ft.get(MEDIUM_DELAY_MS, MILLISECONDS); |
| 375 |
> |
threadStarted.countDown(); |
| 376 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS); |
| 377 |
|
}}; |
| 378 |
< |
Thread t2 = new Thread(ft); |
| 378 |
> |
Thread t2 = new Thread(task); |
| 379 |
|
t1.start(); |
| 380 |
|
t2.start(); |
| 381 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 382 |
< |
ft.cancel(true); |
| 383 |
< |
t1.join(); |
| 384 |
< |
t2.join(); |
| 381 |
> |
threadStarted.await(); |
| 382 |
> |
task.cancel(true); |
| 383 |
> |
awaitTermination(t1, MEDIUM_DELAY_MS); |
| 384 |
> |
awaitTermination(t2, MEDIUM_DELAY_MS); |
| 385 |
> |
checkCancelled(task); |
| 386 |
|
} |
| 387 |
|
|
| 388 |
|
/** |
| 389 |
< |
* Cancelling a task causes get in another thread to throw CancellationException |
| 389 |
> |
* Cancelling a task causes get in another thread to throw |
| 390 |
> |
* CancellationException |
| 391 |
|
*/ |
| 392 |
|
public void testGet_Cancellation() throws InterruptedException { |
| 393 |
< |
final FutureTask ft = |
| 393 |
> |
final CountDownLatch threadStarted = new CountDownLatch(2); |
| 394 |
> |
final FutureTask task = |
| 395 |
|
new FutureTask(new CheckedInterruptedCallable<Object>() { |
| 396 |
< |
public Object realCall() throws InterruptedException { |
| 397 |
< |
Thread.sleep(SMALL_DELAY_MS); |
| 398 |
< |
return Boolean.TRUE; |
| 396 |
> |
public Object realCall() throws InterruptedException { |
| 397 |
> |
threadStarted.countDown(); |
| 398 |
> |
Thread.sleep(LONG_DELAY_MS); |
| 399 |
> |
return Boolean.TRUE; |
| 400 |
|
}}); |
| 401 |
+ |
|
| 402 |
|
Thread t1 = new ThreadShouldThrow(CancellationException.class) { |
| 403 |
|
public void realRun() throws Exception { |
| 404 |
< |
ft.get(); |
| 404 |
> |
threadStarted.countDown(); |
| 405 |
> |
task.get(); |
| 406 |
|
}}; |
| 407 |
< |
|
| 270 |
< |
Thread t2 = new Thread(ft); |
| 407 |
> |
Thread t2 = new Thread(task); |
| 408 |
|
t1.start(); |
| 409 |
|
t2.start(); |
| 410 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 411 |
< |
ft.cancel(true); |
| 412 |
< |
t1.join(); |
| 413 |
< |
t2.join(); |
| 410 |
> |
threadStarted.await(); |
| 411 |
> |
task.cancel(true); |
| 412 |
> |
awaitTermination(t1, MEDIUM_DELAY_MS); |
| 413 |
> |
awaitTermination(t2, MEDIUM_DELAY_MS); |
| 414 |
> |
checkCancelled(task); |
| 415 |
|
} |
| 416 |
|
|
| 417 |
|
|
| 419 |
|
* A runtime exception in task causes get to throw ExecutionException |
| 420 |
|
*/ |
| 421 |
|
public void testGet_ExecutionException() throws InterruptedException { |
| 422 |
< |
final FutureTask ft = new FutureTask(new Callable() { |
| 423 |
< |
public Object call() { |
| 422 |
> |
final FutureTask task = new FutureTask(new Callable() { |
| 423 |
> |
public Object call() { |
| 424 |
|
return 5/0; |
| 425 |
|
}}); |
| 426 |
|
|
| 427 |
< |
ft.run(); |
| 427 |
> |
task.run(); |
| 428 |
|
try { |
| 429 |
< |
ft.get(); |
| 430 |
< |
shouldThrow("ExecutionException"); |
| 431 |
< |
} catch (ExecutionException success) { |
| 429 |
> |
task.get(); |
| 430 |
> |
shouldThrow(); |
| 431 |
> |
} catch (ExecutionException success) { |
| 432 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
| 433 |
+ |
checkCompletedAbnormally(task, success.getCause()); |
| 434 |
|
} |
| 435 |
|
} |
| 436 |
|
|
| 437 |
|
/** |
| 438 |
< |
* A runtime exception in task causes timed get to throw ExecutionException |
| 438 |
> |
* A runtime exception in task causes timed get to throw ExecutionException |
| 439 |
|
*/ |
| 440 |
|
public void testTimedGet_ExecutionException2() throws Exception { |
| 441 |
< |
final FutureTask ft = new FutureTask(new Callable() { |
| 442 |
< |
public Object call() { |
| 441 |
> |
final FutureTask task = new FutureTask(new Callable() { |
| 442 |
> |
public Object call() { |
| 443 |
|
return 5/0; |
| 444 |
|
}}); |
| 445 |
|
|
| 446 |
< |
ft.run(); |
| 447 |
< |
try { |
| 448 |
< |
ft.get(SHORT_DELAY_MS, MILLISECONDS); |
| 449 |
< |
shouldThrow("ExecutionException"); |
| 450 |
< |
} catch (ExecutionException success) { |
| 446 |
> |
task.run(); |
| 447 |
> |
try { |
| 448 |
> |
task.get(SHORT_DELAY_MS, MILLISECONDS); |
| 449 |
> |
shouldThrow(); |
| 450 |
> |
} catch (ExecutionException success) { |
| 451 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
| 452 |
+ |
checkCompletedAbnormally(task, success.getCause()); |
| 453 |
|
} |
| 454 |
|
} |
| 455 |
|
|
| 458 |
|
* Interrupting a waiting get causes it to throw InterruptedException |
| 459 |
|
*/ |
| 460 |
|
public void testGet_InterruptedException() throws InterruptedException { |
| 461 |
< |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 462 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 461 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 462 |
> |
final FutureTask task = new FutureTask(new NoOpCallable()); |
| 463 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
| 464 |
|
public void realRun() throws Exception { |
| 465 |
< |
ft.get(); |
| 465 |
> |
threadStarted.countDown(); |
| 466 |
> |
task.get(); |
| 467 |
|
}}); |
| 468 |
|
|
| 469 |
< |
t.start(); |
| 328 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 469 |
> |
threadStarted.await(); |
| 470 |
|
t.interrupt(); |
| 471 |
< |
t.join(); |
| 471 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 472 |
> |
checkNotDone(task); |
| 473 |
|
} |
| 474 |
|
|
| 475 |
|
/** |
| 476 |
< |
* Interrupting a waiting timed get causes it to throw InterruptedException |
| 476 |
> |
* Interrupting a waiting timed get causes it to throw InterruptedException |
| 477 |
|
*/ |
| 478 |
|
public void testTimedGet_InterruptedException2() throws InterruptedException { |
| 479 |
< |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 480 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 479 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 480 |
> |
final FutureTask task = new FutureTask(new NoOpCallable()); |
| 481 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
| 482 |
|
public void realRun() throws Exception { |
| 483 |
< |
ft.get(LONG_DELAY_MS,MILLISECONDS); |
| 483 |
> |
threadStarted.countDown(); |
| 484 |
> |
task.get(LONG_DELAY_MS, MILLISECONDS); |
| 485 |
|
}}); |
| 486 |
|
|
| 487 |
< |
t.start(); |
| 344 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 487 |
> |
threadStarted.await(); |
| 488 |
|
t.interrupt(); |
| 489 |
< |
t.join(); |
| 489 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 490 |
> |
checkNotDone(task); |
| 491 |
|
} |
| 492 |
|
|
| 493 |
|
/** |
| 494 |
|
* A timed out timed get throws TimeoutException |
| 495 |
|
*/ |
| 496 |
|
public void testGet_TimeoutException() throws Exception { |
| 497 |
< |
try { |
| 498 |
< |
FutureTask ft = new FutureTask(new NoOpCallable()); |
| 499 |
< |
ft.get(1,MILLISECONDS); |
| 500 |
< |
shouldThrow("TimeoutException"); |
| 501 |
< |
} catch (TimeoutException success) {} |
| 497 |
> |
try { |
| 498 |
> |
FutureTask task = new FutureTask(new NoOpCallable()); |
| 499 |
> |
task.get(1, MILLISECONDS); |
| 500 |
> |
shouldThrow(); |
| 501 |
> |
} catch (TimeoutException success) {} |
| 502 |
|
} |
| 503 |
|
|
| 504 |
|
} |
