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.util.ArrayList; |
| 14 | import java.util.List; |
| 15 | import java.util.concurrent.ArrayBlockingQueue; |
| 16 | import java.util.concurrent.BlockingQueue; |
| 17 | import java.util.concurrent.Callable; |
| 18 | import java.util.concurrent.CountDownLatch; |
| 19 | import java.util.concurrent.ExecutionException; |
| 20 | import java.util.concurrent.Executors; |
| 21 | import java.util.concurrent.ExecutorService; |
| 22 | import java.util.concurrent.Future; |
| 23 | import java.util.concurrent.FutureTask; |
| 24 | import java.util.concurrent.LinkedBlockingQueue; |
| 25 | import java.util.concurrent.RejectedExecutionException; |
| 26 | import java.util.concurrent.RejectedExecutionHandler; |
| 27 | import java.util.concurrent.RunnableFuture; |
| 28 | import java.util.concurrent.SynchronousQueue; |
| 29 | import java.util.concurrent.ThreadFactory; |
| 30 | import java.util.concurrent.ThreadPoolExecutor; |
| 31 | import java.util.concurrent.TimeoutException; |
| 32 | import java.util.concurrent.TimeUnit; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 33 | import java.util.concurrent.locks.Condition; |
| 34 | import java.util.concurrent.locks.ReentrantLock; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 35 | |
| 36 | import junit.framework.Test; |
| 37 | import junit.framework.TestSuite; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 38 | |
| 39 | public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 40 | // android-note: Removed because the CTS runner does a bad job of |
| 41 | // retrying tests that have suite() declarations. |
| 42 | // |
| 43 | // public static void main(String[] args) { |
| 44 | // main(suite(), args); |
| 45 | // } |
| 46 | // public static Test suite() { |
| 47 | // return new TestSuite(...); |
| 48 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 49 | |
| 50 | static class CustomTask<V> implements RunnableFuture<V> { |
| 51 | final Callable<V> callable; |
| 52 | final ReentrantLock lock = new ReentrantLock(); |
| 53 | final Condition cond = lock.newCondition(); |
| 54 | boolean done; |
| 55 | boolean cancelled; |
| 56 | V result; |
| 57 | Thread thread; |
| 58 | Exception exception; |
| 59 | CustomTask(Callable<V> c) { |
| 60 | if (c == null) throw new NullPointerException(); |
| 61 | callable = c; |
| 62 | } |
| 63 | CustomTask(final Runnable r, final V res) { |
| 64 | if (r == null) throw new NullPointerException(); |
| 65 | callable = new Callable<V>() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 66 | public V call() throws Exception { r.run(); return res; }}; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 67 | } |
| 68 | public boolean isDone() { |
| 69 | lock.lock(); try { return done; } finally { lock.unlock() ; } |
| 70 | } |
| 71 | public boolean isCancelled() { |
| 72 | lock.lock(); try { return cancelled; } finally { lock.unlock() ; } |
| 73 | } |
| 74 | public boolean cancel(boolean mayInterrupt) { |
| 75 | lock.lock(); |
| 76 | try { |
| 77 | if (!done) { |
| 78 | cancelled = true; |
| 79 | done = true; |
| 80 | if (mayInterrupt && thread != null) |
| 81 | thread.interrupt(); |
| 82 | return true; |
| 83 | } |
| 84 | return false; |
| 85 | } |
| 86 | finally { lock.unlock() ; } |
| 87 | } |
| 88 | public void run() { |
| 89 | lock.lock(); |
| 90 | try { |
| 91 | if (done) |
| 92 | return; |
| 93 | thread = Thread.currentThread(); |
| 94 | } |
| 95 | finally { lock.unlock() ; } |
| 96 | V v = null; |
| 97 | Exception e = null; |
| 98 | try { |
| 99 | v = callable.call(); |
| 100 | } |
| 101 | catch (Exception ex) { |
| 102 | e = ex; |
| 103 | } |
| 104 | lock.lock(); |
| 105 | try { |
| 106 | result = v; |
| 107 | exception = e; |
| 108 | done = true; |
| 109 | thread = null; |
| 110 | cond.signalAll(); |
| 111 | } |
| 112 | finally { lock.unlock(); } |
| 113 | } |
| 114 | public V get() throws InterruptedException, ExecutionException { |
| 115 | lock.lock(); |
| 116 | try { |
| 117 | while (!done) |
| 118 | cond.await(); |
| 119 | if (exception != null) |
| 120 | throw new ExecutionException(exception); |
| 121 | return result; |
| 122 | } |
| 123 | finally { lock.unlock(); } |
| 124 | } |
| 125 | public V get(long timeout, TimeUnit unit) |
| 126 | throws InterruptedException, ExecutionException, TimeoutException { |
| 127 | long nanos = unit.toNanos(timeout); |
| 128 | lock.lock(); |
| 129 | try { |
| 130 | for (;;) { |
| 131 | if (done) break; |
| 132 | if (nanos < 0) |
| 133 | throw new TimeoutException(); |
| 134 | nanos = cond.awaitNanos(nanos); |
| 135 | } |
| 136 | if (exception != null) |
| 137 | throw new ExecutionException(exception); |
| 138 | return result; |
| 139 | } |
| 140 | finally { lock.unlock(); } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | static class CustomTPE extends ThreadPoolExecutor { |
| 145 | protected <V> RunnableFuture<V> newTaskFor(Callable<V> c) { |
| 146 | return new CustomTask<V>(c); |
| 147 | } |
| 148 | protected <V> RunnableFuture<V> newTaskFor(Runnable r, V v) { |
| 149 | return new CustomTask<V>(r, v); |
| 150 | } |
| 151 | |
| 152 | CustomTPE(int corePoolSize, |
| 153 | int maximumPoolSize, |
| 154 | long keepAliveTime, |
| 155 | TimeUnit unit, |
| 156 | BlockingQueue<Runnable> workQueue) { |
| 157 | super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
| 158 | workQueue); |
| 159 | } |
| 160 | CustomTPE(int corePoolSize, |
| 161 | int maximumPoolSize, |
| 162 | long keepAliveTime, |
| 163 | TimeUnit unit, |
| 164 | BlockingQueue<Runnable> workQueue, |
| 165 | ThreadFactory threadFactory) { |
| 166 | super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
| 167 | threadFactory); |
| 168 | } |
| 169 | |
| 170 | CustomTPE(int corePoolSize, |
| 171 | int maximumPoolSize, |
| 172 | long keepAliveTime, |
| 173 | TimeUnit unit, |
| 174 | BlockingQueue<Runnable> workQueue, |
| 175 | RejectedExecutionHandler handler) { |
| 176 | super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
| 177 | handler); |
| 178 | } |
| 179 | CustomTPE(int corePoolSize, |
| 180 | int maximumPoolSize, |
| 181 | long keepAliveTime, |
| 182 | TimeUnit unit, |
| 183 | BlockingQueue<Runnable> workQueue, |
| 184 | ThreadFactory threadFactory, |
| 185 | RejectedExecutionHandler handler) { |
| 186 | super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
| 187 | workQueue, threadFactory, handler); |
| 188 | } |
| 189 | |
| 190 | final CountDownLatch beforeCalled = new CountDownLatch(1); |
| 191 | final CountDownLatch afterCalled = new CountDownLatch(1); |
| 192 | final CountDownLatch terminatedCalled = new CountDownLatch(1); |
| 193 | |
| 194 | public CustomTPE() { |
| 195 | super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
| 196 | } |
| 197 | protected void beforeExecute(Thread t, Runnable r) { |
| 198 | beforeCalled.countDown(); |
| 199 | } |
| 200 | protected void afterExecute(Runnable r, Throwable t) { |
| 201 | afterCalled.countDown(); |
| 202 | } |
| 203 | protected void terminated() { |
| 204 | terminatedCalled.countDown(); |
| 205 | } |
| 206 | |
| 207 | public boolean beforeCalled() { |
| 208 | return beforeCalled.getCount() == 0; |
| 209 | } |
| 210 | public boolean afterCalled() { |
| 211 | return afterCalled.getCount() == 0; |
| 212 | } |
| 213 | public boolean terminatedCalled() { |
| 214 | return terminatedCalled.getCount() == 0; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | static class FailingThreadFactory implements ThreadFactory { |
| 219 | int calls = 0; |
| 220 | public Thread newThread(Runnable r) { |
| 221 | if (++calls > 1) return null; |
| 222 | return new Thread(r); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * execute successfully executes a runnable |
| 228 | */ |
| 229 | public void testExecute() throws InterruptedException { |
| 230 | final ThreadPoolExecutor p = |
| 231 | new CustomTPE(1, 1, |
| 232 | LONG_DELAY_MS, MILLISECONDS, |
| 233 | new ArrayBlockingQueue<Runnable>(10)); |
| 234 | final CountDownLatch done = new CountDownLatch(1); |
| 235 | final Runnable task = new CheckedRunnable() { |
| 236 | public void realRun() { |
| 237 | done.countDown(); |
| 238 | }}; |
| 239 | try { |
| 240 | p.execute(task); |
| 241 | assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 242 | } finally { |
| 243 | joinPool(p); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * getActiveCount increases but doesn't overestimate, when a |
| 249 | * thread becomes active |
| 250 | */ |
| 251 | public void testGetActiveCount() throws InterruptedException { |
| 252 | final ThreadPoolExecutor p = |
| 253 | new CustomTPE(2, 2, |
| 254 | LONG_DELAY_MS, MILLISECONDS, |
| 255 | new ArrayBlockingQueue<Runnable>(10)); |
| 256 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 257 | final CountDownLatch done = new CountDownLatch(1); |
| 258 | try { |
| 259 | assertEquals(0, p.getActiveCount()); |
| 260 | p.execute(new CheckedRunnable() { |
| 261 | public void realRun() throws InterruptedException { |
| 262 | threadStarted.countDown(); |
| 263 | assertEquals(1, p.getActiveCount()); |
| 264 | done.await(); |
| 265 | }}); |
| 266 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 267 | assertEquals(1, p.getActiveCount()); |
| 268 | } finally { |
| 269 | done.countDown(); |
| 270 | joinPool(p); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * prestartCoreThread starts a thread if under corePoolSize, else doesn't |
| 276 | */ |
| 277 | public void testPrestartCoreThread() { |
| 278 | ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 279 | assertEquals(0, p.getPoolSize()); |
| 280 | assertTrue(p.prestartCoreThread()); |
| 281 | assertEquals(1, p.getPoolSize()); |
| 282 | assertTrue(p.prestartCoreThread()); |
| 283 | assertEquals(2, p.getPoolSize()); |
| 284 | assertFalse(p.prestartCoreThread()); |
| 285 | assertEquals(2, p.getPoolSize()); |
| 286 | joinPool(p); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * prestartAllCoreThreads starts all corePoolSize threads |
| 291 | */ |
| 292 | public void testPrestartAllCoreThreads() { |
| 293 | ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 294 | assertEquals(0, p.getPoolSize()); |
| 295 | p.prestartAllCoreThreads(); |
| 296 | assertEquals(2, p.getPoolSize()); |
| 297 | p.prestartAllCoreThreads(); |
| 298 | assertEquals(2, p.getPoolSize()); |
| 299 | joinPool(p); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * getCompletedTaskCount increases, but doesn't overestimate, |
| 304 | * when tasks complete |
| 305 | */ |
| 306 | public void testGetCompletedTaskCount() throws InterruptedException { |
| 307 | final ThreadPoolExecutor p = |
| 308 | new CustomTPE(2, 2, |
| 309 | LONG_DELAY_MS, MILLISECONDS, |
| 310 | new ArrayBlockingQueue<Runnable>(10)); |
| 311 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 312 | final CountDownLatch threadProceed = new CountDownLatch(1); |
| 313 | final CountDownLatch threadDone = new CountDownLatch(1); |
| 314 | try { |
| 315 | assertEquals(0, p.getCompletedTaskCount()); |
| 316 | p.execute(new CheckedRunnable() { |
| 317 | public void realRun() throws InterruptedException { |
| 318 | threadStarted.countDown(); |
| 319 | assertEquals(0, p.getCompletedTaskCount()); |
| 320 | threadProceed.await(); |
| 321 | threadDone.countDown(); |
| 322 | }}); |
| 323 | await(threadStarted); |
| 324 | assertEquals(0, p.getCompletedTaskCount()); |
| 325 | threadProceed.countDown(); |
| 326 | threadDone.await(); |
| 327 | long startTime = System.nanoTime(); |
| 328 | while (p.getCompletedTaskCount() != 1) { |
| 329 | if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 330 | fail("timed out"); |
| 331 | Thread.yield(); |
| 332 | } |
| 333 | } finally { |
| 334 | joinPool(p); |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * getCorePoolSize returns size given in constructor if not otherwise set |
| 340 | */ |
| 341 | public void testGetCorePoolSize() { |
| 342 | ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 343 | assertEquals(1, p.getCorePoolSize()); |
| 344 | joinPool(p); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * getKeepAliveTime returns value given in constructor if not otherwise set |
| 349 | */ |
| 350 | public void testGetKeepAliveTime() { |
| 351 | ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 352 | assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS)); |
| 353 | joinPool(p); |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * getThreadFactory returns factory in constructor if not set |
| 358 | */ |
| 359 | public void testGetThreadFactory() { |
| 360 | ThreadFactory tf = new SimpleThreadFactory(); |
| 361 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler()); |
| 362 | assertSame(tf, p.getThreadFactory()); |
| 363 | joinPool(p); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * setThreadFactory sets the thread factory returned by getThreadFactory |
| 368 | */ |
| 369 | public void testSetThreadFactory() { |
| 370 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 371 | ThreadFactory tf = new SimpleThreadFactory(); |
| 372 | p.setThreadFactory(tf); |
| 373 | assertSame(tf, p.getThreadFactory()); |
| 374 | joinPool(p); |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * setThreadFactory(null) throws NPE |
| 379 | */ |
| 380 | public void testSetThreadFactoryNull() { |
| 381 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 382 | try { |
| 383 | p.setThreadFactory(null); |
| 384 | shouldThrow(); |
| 385 | } catch (NullPointerException success) { |
| 386 | } finally { |
| 387 | joinPool(p); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * getRejectedExecutionHandler returns handler in constructor if not set |
| 393 | */ |
| 394 | public void testGetRejectedExecutionHandler() { |
| 395 | RejectedExecutionHandler h = new NoOpREHandler(); |
| 396 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h); |
| 397 | assertSame(h, p.getRejectedExecutionHandler()); |
| 398 | joinPool(p); |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * setRejectedExecutionHandler sets the handler returned by |
| 403 | * getRejectedExecutionHandler |
| 404 | */ |
| 405 | public void testSetRejectedExecutionHandler() { |
| 406 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 407 | RejectedExecutionHandler h = new NoOpREHandler(); |
| 408 | p.setRejectedExecutionHandler(h); |
| 409 | assertSame(h, p.getRejectedExecutionHandler()); |
| 410 | joinPool(p); |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * setRejectedExecutionHandler(null) throws NPE |
| 415 | */ |
| 416 | public void testSetRejectedExecutionHandlerNull() { |
| 417 | ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 418 | try { |
| 419 | p.setRejectedExecutionHandler(null); |
| 420 | shouldThrow(); |
| 421 | } catch (NullPointerException success) { |
| 422 | } finally { |
| 423 | joinPool(p); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * getLargestPoolSize increases, but doesn't overestimate, when |
| 429 | * multiple threads active |
| 430 | */ |
| 431 | public void testGetLargestPoolSize() throws InterruptedException { |
| 432 | final int THREADS = 3; |
| 433 | final ThreadPoolExecutor p = |
| 434 | new CustomTPE(THREADS, THREADS, |
| 435 | LONG_DELAY_MS, MILLISECONDS, |
| 436 | new ArrayBlockingQueue<Runnable>(10)); |
| 437 | final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
| 438 | final CountDownLatch done = new CountDownLatch(1); |
| 439 | try { |
| 440 | assertEquals(0, p.getLargestPoolSize()); |
| 441 | for (int i = 0; i < THREADS; i++) |
| 442 | p.execute(new CheckedRunnable() { |
| 443 | public void realRun() throws InterruptedException { |
| 444 | threadsStarted.countDown(); |
| 445 | done.await(); |
| 446 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 447 | }}); |
| 448 | assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 449 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 450 | } finally { |
| 451 | done.countDown(); |
| 452 | joinPool(p); |
| 453 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * getMaximumPoolSize returns value given in constructor if not |
| 459 | * otherwise set |
| 460 | */ |
| 461 | public void testGetMaximumPoolSize() { |
| 462 | ThreadPoolExecutor p = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 463 | assertEquals(2, p.getMaximumPoolSize()); |
| 464 | joinPool(p); |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * getPoolSize increases, but doesn't overestimate, when threads |
| 469 | * become active |
| 470 | */ |
| 471 | public void testGetPoolSize() throws InterruptedException { |
| 472 | final ThreadPoolExecutor p = |
| 473 | new CustomTPE(1, 1, |
| 474 | LONG_DELAY_MS, MILLISECONDS, |
| 475 | new ArrayBlockingQueue<Runnable>(10)); |
| 476 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 477 | final CountDownLatch done = new CountDownLatch(1); |
| 478 | try { |
| 479 | assertEquals(0, p.getPoolSize()); |
| 480 | p.execute(new CheckedRunnable() { |
| 481 | public void realRun() throws InterruptedException { |
| 482 | threadStarted.countDown(); |
| 483 | assertEquals(1, p.getPoolSize()); |
| 484 | done.await(); |
| 485 | }}); |
| 486 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 487 | assertEquals(1, p.getPoolSize()); |
| 488 | } finally { |
| 489 | done.countDown(); |
| 490 | joinPool(p); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | /** |
| 495 | * getTaskCount increases, but doesn't overestimate, when tasks submitted |
| 496 | */ |
| 497 | public void testGetTaskCount() throws InterruptedException { |
| 498 | final ThreadPoolExecutor p = |
| 499 | new CustomTPE(1, 1, |
| 500 | LONG_DELAY_MS, MILLISECONDS, |
| 501 | new ArrayBlockingQueue<Runnable>(10)); |
| 502 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 503 | final CountDownLatch done = new CountDownLatch(1); |
| 504 | try { |
| 505 | assertEquals(0, p.getTaskCount()); |
| 506 | p.execute(new CheckedRunnable() { |
| 507 | public void realRun() throws InterruptedException { |
| 508 | threadStarted.countDown(); |
| 509 | assertEquals(1, p.getTaskCount()); |
| 510 | done.await(); |
| 511 | }}); |
| 512 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 513 | assertEquals(1, p.getTaskCount()); |
| 514 | } finally { |
| 515 | done.countDown(); |
| 516 | joinPool(p); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | /** |
| 521 | * isShutdown is false before shutdown, true after |
| 522 | */ |
| 523 | public void testIsShutdown() { |
| 524 | |
| 525 | ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 526 | assertFalse(p.isShutdown()); |
| 527 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 528 | assertTrue(p.isShutdown()); |
| 529 | joinPool(p); |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * isTerminated is false before termination, true after |
| 534 | */ |
| 535 | public void testIsTerminated() throws InterruptedException { |
| 536 | final ThreadPoolExecutor p = |
| 537 | new CustomTPE(1, 1, |
| 538 | LONG_DELAY_MS, MILLISECONDS, |
| 539 | new ArrayBlockingQueue<Runnable>(10)); |
| 540 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 541 | final CountDownLatch done = new CountDownLatch(1); |
| 542 | try { |
| 543 | assertFalse(p.isTerminating()); |
| 544 | p.execute(new CheckedRunnable() { |
| 545 | public void realRun() throws InterruptedException { |
| 546 | assertFalse(p.isTerminating()); |
| 547 | threadStarted.countDown(); |
| 548 | done.await(); |
| 549 | }}); |
| 550 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 551 | assertFalse(p.isTerminating()); |
| 552 | done.countDown(); |
| 553 | } finally { |
| 554 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 555 | } |
| 556 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 557 | assertTrue(p.isTerminated()); |
| 558 | assertFalse(p.isTerminating()); |
| 559 | } |
| 560 | |
| 561 | /** |
| 562 | * isTerminating is not true when running or when terminated |
| 563 | */ |
| 564 | public void testIsTerminating() throws InterruptedException { |
| 565 | final ThreadPoolExecutor p = |
| 566 | new CustomTPE(1, 1, |
| 567 | LONG_DELAY_MS, MILLISECONDS, |
| 568 | new ArrayBlockingQueue<Runnable>(10)); |
| 569 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 570 | final CountDownLatch done = new CountDownLatch(1); |
| 571 | try { |
| 572 | assertFalse(p.isTerminating()); |
| 573 | p.execute(new CheckedRunnable() { |
| 574 | public void realRun() throws InterruptedException { |
| 575 | assertFalse(p.isTerminating()); |
| 576 | threadStarted.countDown(); |
| 577 | done.await(); |
| 578 | }}); |
| 579 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 580 | assertFalse(p.isTerminating()); |
| 581 | done.countDown(); |
| 582 | } finally { |
| 583 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 584 | } |
| 585 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 586 | assertTrue(p.isTerminated()); |
| 587 | assertFalse(p.isTerminating()); |
| 588 | } |
| 589 | |
| 590 | /** |
| 591 | * getQueue returns the work queue, which contains queued tasks |
| 592 | */ |
| 593 | public void testGetQueue() throws InterruptedException { |
| 594 | final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
| 595 | final ThreadPoolExecutor p = |
| 596 | new CustomTPE(1, 1, |
| 597 | LONG_DELAY_MS, MILLISECONDS, |
| 598 | q); |
| 599 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 600 | final CountDownLatch done = new CountDownLatch(1); |
| 601 | try { |
| 602 | FutureTask[] tasks = new FutureTask[5]; |
| 603 | for (int i = 0; i < tasks.length; i++) { |
| 604 | Callable task = new CheckedCallable<Boolean>() { |
| 605 | public Boolean realCall() throws InterruptedException { |
| 606 | threadStarted.countDown(); |
| 607 | assertSame(q, p.getQueue()); |
| 608 | done.await(); |
| 609 | return Boolean.TRUE; |
| 610 | }}; |
| 611 | tasks[i] = new FutureTask(task); |
| 612 | p.execute(tasks[i]); |
| 613 | } |
| 614 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 615 | assertSame(q, p.getQueue()); |
| 616 | assertFalse(q.contains(tasks[0])); |
| 617 | assertTrue(q.contains(tasks[tasks.length - 1])); |
| 618 | assertEquals(tasks.length - 1, q.size()); |
| 619 | } finally { |
| 620 | done.countDown(); |
| 621 | joinPool(p); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * remove(task) removes queued task, and fails to remove active task |
| 627 | */ |
| 628 | public void testRemove() throws InterruptedException { |
| 629 | BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
| 630 | final ThreadPoolExecutor p = |
| 631 | new CustomTPE(1, 1, |
| 632 | LONG_DELAY_MS, MILLISECONDS, |
| 633 | q); |
| 634 | Runnable[] tasks = new Runnable[6]; |
| 635 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 636 | final CountDownLatch done = new CountDownLatch(1); |
| 637 | try { |
| 638 | for (int i = 0; i < tasks.length; i++) { |
| 639 | tasks[i] = new CheckedRunnable() { |
| 640 | public void realRun() throws InterruptedException { |
| 641 | threadStarted.countDown(); |
| 642 | done.await(); |
| 643 | }}; |
| 644 | p.execute(tasks[i]); |
| 645 | } |
| 646 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 647 | assertFalse(p.remove(tasks[0])); |
| 648 | assertTrue(q.contains(tasks[4])); |
| 649 | assertTrue(q.contains(tasks[3])); |
| 650 | assertTrue(p.remove(tasks[4])); |
| 651 | assertFalse(p.remove(tasks[4])); |
| 652 | assertFalse(q.contains(tasks[4])); |
| 653 | assertTrue(q.contains(tasks[3])); |
| 654 | assertTrue(p.remove(tasks[3])); |
| 655 | assertFalse(q.contains(tasks[3])); |
| 656 | } finally { |
| 657 | done.countDown(); |
| 658 | joinPool(p); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | /** |
| 663 | * purge removes cancelled tasks from the queue |
| 664 | */ |
| 665 | public void testPurge() throws InterruptedException { |
| 666 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 667 | final CountDownLatch done = new CountDownLatch(1); |
| 668 | final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
| 669 | final ThreadPoolExecutor p = |
| 670 | new CustomTPE(1, 1, |
| 671 | LONG_DELAY_MS, MILLISECONDS, |
| 672 | q); |
| 673 | FutureTask[] tasks = new FutureTask[5]; |
| 674 | try { |
| 675 | for (int i = 0; i < tasks.length; i++) { |
| 676 | Callable task = new CheckedCallable<Boolean>() { |
| 677 | public Boolean realCall() throws InterruptedException { |
| 678 | threadStarted.countDown(); |
| 679 | done.await(); |
| 680 | return Boolean.TRUE; |
| 681 | }}; |
| 682 | tasks[i] = new FutureTask(task); |
| 683 | p.execute(tasks[i]); |
| 684 | } |
| 685 | assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 686 | assertEquals(tasks.length, p.getTaskCount()); |
| 687 | assertEquals(tasks.length - 1, q.size()); |
| 688 | assertEquals(1L, p.getActiveCount()); |
| 689 | assertEquals(0L, p.getCompletedTaskCount()); |
| 690 | tasks[4].cancel(true); |
| 691 | tasks[3].cancel(false); |
| 692 | p.purge(); |
| 693 | assertEquals(tasks.length - 3, q.size()); |
| 694 | assertEquals(tasks.length - 2, p.getTaskCount()); |
| 695 | p.purge(); // Nothing to do |
| 696 | assertEquals(tasks.length - 3, q.size()); |
| 697 | assertEquals(tasks.length - 2, p.getTaskCount()); |
| 698 | } finally { |
| 699 | done.countDown(); |
| 700 | joinPool(p); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | /** |
| 705 | * shutdownNow returns a list containing tasks that were not run |
| 706 | */ |
| 707 | public void testShutdownNow() { |
| 708 | ThreadPoolExecutor p = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 709 | List l; |
| 710 | try { |
| 711 | for (int i = 0; i < 5; i++) |
| 712 | p.execute(new MediumPossiblyInterruptedRunnable()); |
| 713 | } |
| 714 | finally { |
| 715 | try { |
| 716 | l = p.shutdownNow(); |
| 717 | } catch (SecurityException ok) { return; } |
| 718 | } |
| 719 | assertTrue(p.isShutdown()); |
| 720 | assertTrue(l.size() <= 4); |
| 721 | } |
| 722 | |
| 723 | // Exception Tests |
| 724 | |
| 725 | /** |
| 726 | * Constructor throws if corePoolSize argument is less than zero |
| 727 | */ |
| 728 | public void testConstructor1() { |
| 729 | try { |
| 730 | new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 731 | shouldThrow(); |
| 732 | } catch (IllegalArgumentException success) {} |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * Constructor throws if maximumPoolSize is less than zero |
| 737 | */ |
| 738 | public void testConstructor2() { |
| 739 | try { |
| 740 | new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 741 | shouldThrow(); |
| 742 | } catch (IllegalArgumentException success) {} |
| 743 | } |
| 744 | |
| 745 | /** |
| 746 | * Constructor throws if maximumPoolSize is equal to zero |
| 747 | */ |
| 748 | public void testConstructor3() { |
| 749 | try { |
| 750 | new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 751 | shouldThrow(); |
| 752 | } catch (IllegalArgumentException success) {} |
| 753 | } |
| 754 | |
| 755 | /** |
| 756 | * Constructor throws if keepAliveTime is less than zero |
| 757 | */ |
| 758 | public void testConstructor4() { |
| 759 | try { |
| 760 | new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 761 | shouldThrow(); |
| 762 | } catch (IllegalArgumentException success) {} |
| 763 | } |
| 764 | |
| 765 | /** |
| 766 | * Constructor throws if corePoolSize is greater than the maximumPoolSize |
| 767 | */ |
| 768 | public void testConstructor5() { |
| 769 | try { |
| 770 | new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 771 | shouldThrow(); |
| 772 | } catch (IllegalArgumentException success) {} |
| 773 | } |
| 774 | |
| 775 | /** |
| 776 | * Constructor throws if workQueue is set to null |
| 777 | */ |
| 778 | public void testConstructorNullPointerException() { |
| 779 | try { |
| 780 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null); |
| 781 | shouldThrow(); |
| 782 | } catch (NullPointerException success) {} |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * Constructor throws if corePoolSize argument is less than zero |
| 787 | */ |
| 788 | public void testConstructor6() { |
| 789 | try { |
| 790 | new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
| 791 | shouldThrow(); |
| 792 | } catch (IllegalArgumentException success) {} |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * Constructor throws if maximumPoolSize is less than zero |
| 797 | */ |
| 798 | public void testConstructor7() { |
| 799 | try { |
| 800 | new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
| 801 | shouldThrow(); |
| 802 | } catch (IllegalArgumentException success) {} |
| 803 | } |
| 804 | |
| 805 | /** |
| 806 | * Constructor throws if maximumPoolSize is equal to zero |
| 807 | */ |
| 808 | public void testConstructor8() { |
| 809 | try { |
| 810 | new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
| 811 | shouldThrow(); |
| 812 | } catch (IllegalArgumentException success) {} |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * Constructor throws if keepAliveTime is less than zero |
| 817 | */ |
| 818 | public void testConstructor9() { |
| 819 | try { |
| 820 | new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
| 821 | shouldThrow(); |
| 822 | } catch (IllegalArgumentException success) {} |
| 823 | } |
| 824 | |
| 825 | /** |
| 826 | * Constructor throws if corePoolSize is greater than the maximumPoolSize |
| 827 | */ |
| 828 | public void testConstructor10() { |
| 829 | try { |
| 830 | new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
| 831 | shouldThrow(); |
| 832 | } catch (IllegalArgumentException success) {} |
| 833 | } |
| 834 | |
| 835 | /** |
| 836 | * Constructor throws if workQueue is set to null |
| 837 | */ |
| 838 | public void testConstructorNullPointerException2() { |
| 839 | try { |
| 840 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory()); |
| 841 | shouldThrow(); |
| 842 | } catch (NullPointerException success) {} |
| 843 | } |
| 844 | |
| 845 | /** |
| 846 | * Constructor throws if threadFactory is set to null |
| 847 | */ |
| 848 | public void testConstructorNullPointerException3() { |
| 849 | try { |
| 850 | ThreadFactory f = null; |
| 851 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
| 852 | shouldThrow(); |
| 853 | } catch (NullPointerException success) {} |
| 854 | } |
| 855 | |
| 856 | /** |
| 857 | * Constructor throws if corePoolSize argument is less than zero |
| 858 | */ |
| 859 | public void testConstructor11() { |
| 860 | try { |
| 861 | new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
| 862 | shouldThrow(); |
| 863 | } catch (IllegalArgumentException success) {} |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * Constructor throws if maximumPoolSize is less than zero |
| 868 | */ |
| 869 | public void testConstructor12() { |
| 870 | try { |
| 871 | new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
| 872 | shouldThrow(); |
| 873 | } catch (IllegalArgumentException success) {} |
| 874 | } |
| 875 | |
| 876 | /** |
| 877 | * Constructor throws if maximumPoolSize is equal to zero |
| 878 | */ |
| 879 | public void testConstructor13() { |
| 880 | try { |
| 881 | new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
| 882 | shouldThrow(); |
| 883 | } catch (IllegalArgumentException success) {} |
| 884 | } |
| 885 | |
| 886 | /** |
| 887 | * Constructor throws if keepAliveTime is less than zero |
| 888 | */ |
| 889 | public void testConstructor14() { |
| 890 | try { |
| 891 | new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
| 892 | shouldThrow(); |
| 893 | } catch (IllegalArgumentException success) {} |
| 894 | } |
| 895 | |
| 896 | /** |
| 897 | * Constructor throws if corePoolSize is greater than the maximumPoolSize |
| 898 | */ |
| 899 | public void testConstructor15() { |
| 900 | try { |
| 901 | new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
| 902 | shouldThrow(); |
| 903 | } catch (IllegalArgumentException success) {} |
| 904 | } |
| 905 | |
| 906 | /** |
| 907 | * Constructor throws if workQueue is set to null |
| 908 | */ |
| 909 | public void testConstructorNullPointerException4() { |
| 910 | try { |
| 911 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler()); |
| 912 | shouldThrow(); |
| 913 | } catch (NullPointerException success) {} |
| 914 | } |
| 915 | |
| 916 | /** |
| 917 | * Constructor throws if handler is set to null |
| 918 | */ |
| 919 | public void testConstructorNullPointerException5() { |
| 920 | try { |
| 921 | RejectedExecutionHandler r = null; |
| 922 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
| 923 | shouldThrow(); |
| 924 | } catch (NullPointerException success) {} |
| 925 | } |
| 926 | |
| 927 | /** |
| 928 | * Constructor throws if corePoolSize argument is less than zero |
| 929 | */ |
| 930 | public void testConstructor16() { |
| 931 | try { |
| 932 | new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
| 933 | shouldThrow(); |
| 934 | } catch (IllegalArgumentException success) {} |
| 935 | } |
| 936 | |
| 937 | /** |
| 938 | * Constructor throws if maximumPoolSize is less than zero |
| 939 | */ |
| 940 | public void testConstructor17() { |
| 941 | try { |
| 942 | new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
| 943 | shouldThrow(); |
| 944 | } catch (IllegalArgumentException success) {} |
| 945 | } |
| 946 | |
| 947 | /** |
| 948 | * Constructor throws if maximumPoolSize is equal to zero |
| 949 | */ |
| 950 | public void testConstructor18() { |
| 951 | try { |
| 952 | new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
| 953 | shouldThrow(); |
| 954 | } catch (IllegalArgumentException success) {} |
| 955 | } |
| 956 | |
| 957 | /** |
| 958 | * Constructor throws if keepAliveTime is less than zero |
| 959 | */ |
| 960 | public void testConstructor19() { |
| 961 | try { |
| 962 | new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
| 963 | shouldThrow(); |
| 964 | } catch (IllegalArgumentException success) {} |
| 965 | } |
| 966 | |
| 967 | /** |
| 968 | * Constructor throws if corePoolSize is greater than the maximumPoolSize |
| 969 | */ |
| 970 | public void testConstructor20() { |
| 971 | try { |
| 972 | new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
| 973 | shouldThrow(); |
| 974 | } catch (IllegalArgumentException success) {} |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * Constructor throws if workQueue is null |
| 979 | */ |
| 980 | public void testConstructorNullPointerException6() { |
| 981 | try { |
| 982 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); |
| 983 | shouldThrow(); |
| 984 | } catch (NullPointerException success) {} |
| 985 | } |
| 986 | |
| 987 | /** |
| 988 | * Constructor throws if handler is null |
| 989 | */ |
| 990 | public void testConstructorNullPointerException7() { |
| 991 | try { |
| 992 | RejectedExecutionHandler r = null; |
| 993 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r); |
| 994 | shouldThrow(); |
| 995 | } catch (NullPointerException success) {} |
| 996 | } |
| 997 | |
| 998 | /** |
| 999 | * Constructor throws if ThreadFactory is null |
| 1000 | */ |
| 1001 | public void testConstructorNullPointerException8() { |
| 1002 | try { |
| 1003 | new CustomTPE(1, 2, |
| 1004 | LONG_DELAY_MS, MILLISECONDS, |
| 1005 | new ArrayBlockingQueue<Runnable>(10), |
| 1006 | (ThreadFactory) null, |
| 1007 | new NoOpREHandler()); |
| 1008 | shouldThrow(); |
| 1009 | } catch (NullPointerException success) {} |
| 1010 | } |
| 1011 | |
| 1012 | /** |
| 1013 | * execute throws RejectedExecutionException if saturated. |
| 1014 | */ |
| 1015 | public void testSaturatedExecute() { |
| 1016 | ThreadPoolExecutor p = |
| 1017 | new CustomTPE(1, 1, |
| 1018 | LONG_DELAY_MS, MILLISECONDS, |
| 1019 | new ArrayBlockingQueue<Runnable>(1)); |
| 1020 | final CountDownLatch done = new CountDownLatch(1); |
| 1021 | try { |
| 1022 | Runnable task = new CheckedRunnable() { |
| 1023 | public void realRun() throws InterruptedException { |
| 1024 | done.await(); |
| 1025 | }}; |
| 1026 | for (int i = 0; i < 2; ++i) |
| 1027 | p.execute(task); |
| 1028 | for (int i = 0; i < 2; ++i) { |
| 1029 | try { |
| 1030 | p.execute(task); |
| 1031 | shouldThrow(); |
| 1032 | } catch (RejectedExecutionException success) {} |
| 1033 | assertTrue(p.getTaskCount() <= 2); |
| 1034 | } |
| 1035 | } finally { |
| 1036 | done.countDown(); |
| 1037 | joinPool(p); |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | /** |
| 1042 | * executor using CallerRunsPolicy runs task if saturated. |
| 1043 | */ |
| 1044 | public void testSaturatedExecute2() { |
| 1045 | RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
| 1046 | ThreadPoolExecutor p = new CustomTPE(1, 1, |
| 1047 | LONG_DELAY_MS, MILLISECONDS, |
| 1048 | new ArrayBlockingQueue<Runnable>(1), |
| 1049 | h); |
| 1050 | try { |
| 1051 | TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
| 1052 | for (int i = 0; i < tasks.length; ++i) |
| 1053 | tasks[i] = new TrackedNoOpRunnable(); |
| 1054 | TrackedLongRunnable mr = new TrackedLongRunnable(); |
| 1055 | p.execute(mr); |
| 1056 | for (int i = 0; i < tasks.length; ++i) |
| 1057 | p.execute(tasks[i]); |
| 1058 | for (int i = 1; i < tasks.length; ++i) |
| 1059 | assertTrue(tasks[i].done); |
| 1060 | try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
| 1061 | } finally { |
| 1062 | joinPool(p); |
| 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | /** |
| 1067 | * executor using DiscardPolicy drops task if saturated. |
| 1068 | */ |
| 1069 | public void testSaturatedExecute3() { |
| 1070 | RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
| 1071 | ThreadPoolExecutor p = |
| 1072 | new CustomTPE(1, 1, |
| 1073 | LONG_DELAY_MS, MILLISECONDS, |
| 1074 | new ArrayBlockingQueue<Runnable>(1), |
| 1075 | h); |
| 1076 | try { |
| 1077 | TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
| 1078 | for (int i = 0; i < tasks.length; ++i) |
| 1079 | tasks[i] = new TrackedNoOpRunnable(); |
| 1080 | p.execute(new TrackedLongRunnable()); |
| 1081 | for (TrackedNoOpRunnable task : tasks) |
| 1082 | p.execute(task); |
| 1083 | for (TrackedNoOpRunnable task : tasks) |
| 1084 | assertFalse(task.done); |
| 1085 | try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
| 1086 | } finally { |
| 1087 | joinPool(p); |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | /** |
| 1092 | * executor using DiscardOldestPolicy drops oldest task if saturated. |
| 1093 | */ |
| 1094 | public void testSaturatedExecute4() { |
| 1095 | RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
| 1096 | ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
| 1097 | try { |
| 1098 | p.execute(new TrackedLongRunnable()); |
| 1099 | TrackedLongRunnable r2 = new TrackedLongRunnable(); |
| 1100 | p.execute(r2); |
| 1101 | assertTrue(p.getQueue().contains(r2)); |
| 1102 | TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
| 1103 | p.execute(r3); |
| 1104 | assertFalse(p.getQueue().contains(r2)); |
| 1105 | assertTrue(p.getQueue().contains(r3)); |
| 1106 | try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
| 1107 | } finally { |
| 1108 | joinPool(p); |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | /** |
| 1113 | * execute throws RejectedExecutionException if shutdown |
| 1114 | */ |
| 1115 | public void testRejectedExecutionExceptionOnShutdown() { |
| 1116 | ThreadPoolExecutor p = |
| 1117 | new CustomTPE(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
| 1118 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1119 | try { |
| 1120 | p.execute(new NoOpRunnable()); |
| 1121 | shouldThrow(); |
| 1122 | } catch (RejectedExecutionException success) {} |
| 1123 | |
| 1124 | joinPool(p); |
| 1125 | } |
| 1126 | |
| 1127 | /** |
| 1128 | * execute using CallerRunsPolicy drops task on shutdown |
| 1129 | */ |
| 1130 | public void testCallerRunsOnShutdown() { |
| 1131 | RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
| 1132 | ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
| 1133 | |
| 1134 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1135 | try { |
| 1136 | TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
| 1137 | p.execute(r); |
| 1138 | assertFalse(r.done); |
| 1139 | } finally { |
| 1140 | joinPool(p); |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | /** |
| 1145 | * execute using DiscardPolicy drops task on shutdown |
| 1146 | */ |
| 1147 | public void testDiscardOnShutdown() { |
| 1148 | RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
| 1149 | ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
| 1150 | |
| 1151 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1152 | try { |
| 1153 | TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
| 1154 | p.execute(r); |
| 1155 | assertFalse(r.done); |
| 1156 | } finally { |
| 1157 | joinPool(p); |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | /** |
| 1162 | * execute using DiscardOldestPolicy drops task on shutdown |
| 1163 | */ |
| 1164 | public void testDiscardOldestOnShutdown() { |
| 1165 | RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
| 1166 | ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
| 1167 | |
| 1168 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1169 | try { |
| 1170 | TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
| 1171 | p.execute(r); |
| 1172 | assertFalse(r.done); |
| 1173 | } finally { |
| 1174 | joinPool(p); |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | /** |
| 1179 | * execute(null) throws NPE |
| 1180 | */ |
| 1181 | public void testExecuteNull() { |
| 1182 | ThreadPoolExecutor p = null; |
| 1183 | try { |
| 1184 | p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
| 1185 | p.execute(null); |
| 1186 | shouldThrow(); |
| 1187 | } catch (NullPointerException success) {} |
| 1188 | |
| 1189 | joinPool(p); |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * setCorePoolSize of negative value throws IllegalArgumentException |
| 1194 | */ |
| 1195 | public void testCorePoolSizeIllegalArgumentException() { |
| 1196 | ThreadPoolExecutor p = |
| 1197 | new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
| 1198 | try { |
| 1199 | p.setCorePoolSize(-1); |
| 1200 | shouldThrow(); |
| 1201 | } catch (IllegalArgumentException success) { |
| 1202 | } finally { |
| 1203 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1204 | } |
| 1205 | joinPool(p); |
| 1206 | } |
| 1207 | |
| 1208 | /** |
| 1209 | * setMaximumPoolSize(int) throws IllegalArgumentException |
| 1210 | * if given a value less the core pool size |
| 1211 | */ |
| 1212 | public void testMaximumPoolSizeIllegalArgumentException() { |
| 1213 | ThreadPoolExecutor p = |
| 1214 | new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
| 1215 | try { |
| 1216 | p.setMaximumPoolSize(1); |
| 1217 | shouldThrow(); |
| 1218 | } catch (IllegalArgumentException success) { |
| 1219 | } finally { |
| 1220 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1221 | } |
| 1222 | joinPool(p); |
| 1223 | } |
| 1224 | |
| 1225 | /** |
| 1226 | * setMaximumPoolSize throws IllegalArgumentException |
| 1227 | * if given a negative value |
| 1228 | */ |
| 1229 | public void testMaximumPoolSizeIllegalArgumentException2() { |
| 1230 | ThreadPoolExecutor p = |
| 1231 | new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
| 1232 | try { |
| 1233 | p.setMaximumPoolSize(-1); |
| 1234 | shouldThrow(); |
| 1235 | } catch (IllegalArgumentException success) { |
| 1236 | } finally { |
| 1237 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1238 | } |
| 1239 | joinPool(p); |
| 1240 | } |
| 1241 | |
| 1242 | /** |
| 1243 | * setKeepAliveTime throws IllegalArgumentException |
| 1244 | * when given a negative value |
| 1245 | */ |
| 1246 | public void testKeepAliveTimeIllegalArgumentException() { |
| 1247 | ThreadPoolExecutor p = |
| 1248 | new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
| 1249 | |
| 1250 | try { |
| 1251 | p.setKeepAliveTime(-1,MILLISECONDS); |
| 1252 | shouldThrow(); |
| 1253 | } catch (IllegalArgumentException success) { |
| 1254 | } finally { |
| 1255 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1256 | } |
| 1257 | joinPool(p); |
| 1258 | } |
| 1259 | |
| 1260 | /** |
| 1261 | * terminated() is called on termination |
| 1262 | */ |
| 1263 | public void testTerminated() { |
| 1264 | CustomTPE p = new CustomTPE(); |
| 1265 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1266 | assertTrue(p.terminatedCalled()); |
| 1267 | joinPool(p); |
| 1268 | } |
| 1269 | |
| 1270 | /** |
| 1271 | * beforeExecute and afterExecute are called when executing task |
| 1272 | */ |
| 1273 | public void testBeforeAfter() throws InterruptedException { |
| 1274 | CustomTPE p = new CustomTPE(); |
| 1275 | try { |
| 1276 | final CountDownLatch done = new CountDownLatch(1); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 1277 | p.execute(new CheckedRunnable() { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1278 | public void realRun() { |
| 1279 | done.countDown(); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 1280 | }}); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1281 | await(p.afterCalled); |
| 1282 | assertEquals(0, done.getCount()); |
| 1283 | assertTrue(p.afterCalled()); |
| 1284 | assertTrue(p.beforeCalled()); |
| 1285 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 1286 | } finally { |
| 1287 | joinPool(p); |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | /** |
| 1292 | * completed submit of callable returns result |
| 1293 | */ |
| 1294 | public void testSubmitCallable() throws Exception { |
| 1295 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1296 | try { |
| 1297 | Future<String> future = e.submit(new StringTask()); |
| 1298 | String result = future.get(); |
| 1299 | assertSame(TEST_STRING, result); |
| 1300 | } finally { |
| 1301 | joinPool(e); |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | /** |
| 1306 | * completed submit of runnable returns successfully |
| 1307 | */ |
| 1308 | public void testSubmitRunnable() throws Exception { |
| 1309 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1310 | try { |
| 1311 | Future<?> future = e.submit(new NoOpRunnable()); |
| 1312 | future.get(); |
| 1313 | assertTrue(future.isDone()); |
| 1314 | } finally { |
| 1315 | joinPool(e); |
| 1316 | } |
| 1317 | } |
| 1318 | |
| 1319 | /** |
| 1320 | * completed submit of (runnable, result) returns result |
| 1321 | */ |
| 1322 | public void testSubmitRunnable2() throws Exception { |
| 1323 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1324 | try { |
| 1325 | Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 1326 | String result = future.get(); |
| 1327 | assertSame(TEST_STRING, result); |
| 1328 | } finally { |
| 1329 | joinPool(e); |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | /** |
| 1334 | * invokeAny(null) throws NPE |
| 1335 | */ |
| 1336 | public void testInvokeAny1() throws Exception { |
| 1337 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1338 | try { |
| 1339 | e.invokeAny(null); |
| 1340 | shouldThrow(); |
| 1341 | } catch (NullPointerException success) { |
| 1342 | } finally { |
| 1343 | joinPool(e); |
| 1344 | } |
| 1345 | } |
| 1346 | |
| 1347 | /** |
| 1348 | * invokeAny(empty collection) throws IAE |
| 1349 | */ |
| 1350 | public void testInvokeAny2() throws Exception { |
| 1351 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1352 | try { |
| 1353 | e.invokeAny(new ArrayList<Callable<String>>()); |
| 1354 | shouldThrow(); |
| 1355 | } catch (IllegalArgumentException success) { |
| 1356 | } finally { |
| 1357 | joinPool(e); |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | /** |
| 1362 | * invokeAny(c) throws NPE if c has null elements |
| 1363 | */ |
| 1364 | public void testInvokeAny3() throws Exception { |
| 1365 | CountDownLatch latch = new CountDownLatch(1); |
| 1366 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1367 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1368 | l.add(latchAwaitingStringTask(latch)); |
| 1369 | l.add(null); |
| 1370 | try { |
| 1371 | e.invokeAny(l); |
| 1372 | shouldThrow(); |
| 1373 | } catch (NullPointerException success) { |
| 1374 | } finally { |
| 1375 | latch.countDown(); |
| 1376 | joinPool(e); |
| 1377 | } |
| 1378 | } |
| 1379 | |
| 1380 | /** |
| 1381 | * invokeAny(c) throws ExecutionException if no task completes |
| 1382 | */ |
| 1383 | public void testInvokeAny4() throws Exception { |
| 1384 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1385 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1386 | l.add(new NPETask()); |
| 1387 | try { |
| 1388 | e.invokeAny(l); |
| 1389 | shouldThrow(); |
| 1390 | } catch (ExecutionException success) { |
| 1391 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1392 | } finally { |
| 1393 | joinPool(e); |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | /** |
| 1398 | * invokeAny(c) returns result of some task |
| 1399 | */ |
| 1400 | public void testInvokeAny5() throws Exception { |
| 1401 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1402 | try { |
| 1403 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1404 | l.add(new StringTask()); |
| 1405 | l.add(new StringTask()); |
| 1406 | String result = e.invokeAny(l); |
| 1407 | assertSame(TEST_STRING, result); |
| 1408 | } finally { |
| 1409 | joinPool(e); |
| 1410 | } |
| 1411 | } |
| 1412 | |
| 1413 | /** |
| 1414 | * invokeAll(null) throws NPE |
| 1415 | */ |
| 1416 | public void testInvokeAll1() throws Exception { |
| 1417 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1418 | try { |
| 1419 | e.invokeAll(null); |
| 1420 | shouldThrow(); |
| 1421 | } catch (NullPointerException success) { |
| 1422 | } finally { |
| 1423 | joinPool(e); |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | /** |
| 1428 | * invokeAll(empty collection) returns empty collection |
| 1429 | */ |
| 1430 | public void testInvokeAll2() throws Exception { |
| 1431 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1432 | try { |
| 1433 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
| 1434 | assertTrue(r.isEmpty()); |
| 1435 | } finally { |
| 1436 | joinPool(e); |
| 1437 | } |
| 1438 | } |
| 1439 | |
| 1440 | /** |
| 1441 | * invokeAll(c) throws NPE if c has null elements |
| 1442 | */ |
| 1443 | public void testInvokeAll3() throws Exception { |
| 1444 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1445 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1446 | l.add(new StringTask()); |
| 1447 | l.add(null); |
| 1448 | try { |
| 1449 | e.invokeAll(l); |
| 1450 | shouldThrow(); |
| 1451 | } catch (NullPointerException success) { |
| 1452 | } finally { |
| 1453 | joinPool(e); |
| 1454 | } |
| 1455 | } |
| 1456 | |
| 1457 | /** |
| 1458 | * get of element of invokeAll(c) throws exception on failed task |
| 1459 | */ |
| 1460 | public void testInvokeAll4() throws Exception { |
| 1461 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1462 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1463 | l.add(new NPETask()); |
| 1464 | List<Future<String>> futures = e.invokeAll(l); |
| 1465 | assertEquals(1, futures.size()); |
| 1466 | try { |
| 1467 | futures.get(0).get(); |
| 1468 | shouldThrow(); |
| 1469 | } catch (ExecutionException success) { |
| 1470 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1471 | } finally { |
| 1472 | joinPool(e); |
| 1473 | } |
| 1474 | } |
| 1475 | |
| 1476 | /** |
| 1477 | * invokeAll(c) returns results of all completed tasks |
| 1478 | */ |
| 1479 | public void testInvokeAll5() throws Exception { |
| 1480 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1481 | try { |
| 1482 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1483 | l.add(new StringTask()); |
| 1484 | l.add(new StringTask()); |
| 1485 | List<Future<String>> futures = e.invokeAll(l); |
| 1486 | assertEquals(2, futures.size()); |
| 1487 | for (Future<String> future : futures) |
| 1488 | assertSame(TEST_STRING, future.get()); |
| 1489 | } finally { |
| 1490 | joinPool(e); |
| 1491 | } |
| 1492 | } |
| 1493 | |
| 1494 | /** |
| 1495 | * timed invokeAny(null) throws NPE |
| 1496 | */ |
| 1497 | public void testTimedInvokeAny1() throws Exception { |
| 1498 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1499 | try { |
| 1500 | e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1501 | shouldThrow(); |
| 1502 | } catch (NullPointerException success) { |
| 1503 | } finally { |
| 1504 | joinPool(e); |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | /** |
| 1509 | * timed invokeAny(,,null) throws NPE |
| 1510 | */ |
| 1511 | public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
| 1512 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1513 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1514 | l.add(new StringTask()); |
| 1515 | try { |
| 1516 | e.invokeAny(l, MEDIUM_DELAY_MS, null); |
| 1517 | shouldThrow(); |
| 1518 | } catch (NullPointerException success) { |
| 1519 | } finally { |
| 1520 | joinPool(e); |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | /** |
| 1525 | * timed invokeAny(empty collection) throws IAE |
| 1526 | */ |
| 1527 | public void testTimedInvokeAny2() throws Exception { |
| 1528 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1529 | try { |
| 1530 | e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 1531 | shouldThrow(); |
| 1532 | } catch (IllegalArgumentException success) { |
| 1533 | } finally { |
| 1534 | joinPool(e); |
| 1535 | } |
| 1536 | } |
| 1537 | |
| 1538 | /** |
| 1539 | * timed invokeAny(c) throws NPE if c has null elements |
| 1540 | */ |
| 1541 | public void testTimedInvokeAny3() throws Exception { |
| 1542 | CountDownLatch latch = new CountDownLatch(1); |
| 1543 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1544 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1545 | l.add(latchAwaitingStringTask(latch)); |
| 1546 | l.add(null); |
| 1547 | try { |
| 1548 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1549 | shouldThrow(); |
| 1550 | } catch (NullPointerException success) { |
| 1551 | } finally { |
| 1552 | latch.countDown(); |
| 1553 | joinPool(e); |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | /** |
| 1558 | * timed invokeAny(c) throws ExecutionException if no task completes |
| 1559 | */ |
| 1560 | public void testTimedInvokeAny4() throws Exception { |
| 1561 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1562 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1563 | l.add(new NPETask()); |
| 1564 | try { |
| 1565 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1566 | shouldThrow(); |
| 1567 | } catch (ExecutionException success) { |
| 1568 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1569 | } finally { |
| 1570 | joinPool(e); |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | /** |
| 1575 | * timed invokeAny(c) returns result of some task |
| 1576 | */ |
| 1577 | public void testTimedInvokeAny5() throws Exception { |
| 1578 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1579 | try { |
| 1580 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1581 | l.add(new StringTask()); |
| 1582 | l.add(new StringTask()); |
| 1583 | String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1584 | assertSame(TEST_STRING, result); |
| 1585 | } finally { |
| 1586 | joinPool(e); |
| 1587 | } |
| 1588 | } |
| 1589 | |
| 1590 | /** |
| 1591 | * timed invokeAll(null) throws NPE |
| 1592 | */ |
| 1593 | public void testTimedInvokeAll1() throws Exception { |
| 1594 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1595 | try { |
| 1596 | e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1597 | shouldThrow(); |
| 1598 | } catch (NullPointerException success) { |
| 1599 | } finally { |
| 1600 | joinPool(e); |
| 1601 | } |
| 1602 | } |
| 1603 | |
| 1604 | /** |
| 1605 | * timed invokeAll(,,null) throws NPE |
| 1606 | */ |
| 1607 | public void testTimedInvokeAllNullTimeUnit() throws Exception { |
| 1608 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1609 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1610 | l.add(new StringTask()); |
| 1611 | try { |
| 1612 | e.invokeAll(l, MEDIUM_DELAY_MS, null); |
| 1613 | shouldThrow(); |
| 1614 | } catch (NullPointerException success) { |
| 1615 | } finally { |
| 1616 | joinPool(e); |
| 1617 | } |
| 1618 | } |
| 1619 | |
| 1620 | /** |
| 1621 | * timed invokeAll(empty collection) returns empty collection |
| 1622 | */ |
| 1623 | public void testTimedInvokeAll2() throws Exception { |
| 1624 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1625 | try { |
| 1626 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 1627 | assertTrue(r.isEmpty()); |
| 1628 | } finally { |
| 1629 | joinPool(e); |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | /** |
| 1634 | * timed invokeAll(c) throws NPE if c has null elements |
| 1635 | */ |
| 1636 | public void testTimedInvokeAll3() throws Exception { |
| 1637 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1638 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1639 | l.add(new StringTask()); |
| 1640 | l.add(null); |
| 1641 | try { |
| 1642 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1643 | shouldThrow(); |
| 1644 | } catch (NullPointerException success) { |
| 1645 | } finally { |
| 1646 | joinPool(e); |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | /** |
| 1651 | * get of element of invokeAll(c) throws exception on failed task |
| 1652 | */ |
| 1653 | public void testTimedInvokeAll4() throws Exception { |
| 1654 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1655 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1656 | l.add(new NPETask()); |
| 1657 | List<Future<String>> futures = |
| 1658 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1659 | assertEquals(1, futures.size()); |
| 1660 | try { |
| 1661 | futures.get(0).get(); |
| 1662 | shouldThrow(); |
| 1663 | } catch (ExecutionException success) { |
| 1664 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1665 | } finally { |
| 1666 | joinPool(e); |
| 1667 | } |
| 1668 | } |
| 1669 | |
| 1670 | /** |
| 1671 | * timed invokeAll(c) returns results of all completed tasks |
| 1672 | */ |
| 1673 | public void testTimedInvokeAll5() throws Exception { |
| 1674 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1675 | try { |
| 1676 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1677 | l.add(new StringTask()); |
| 1678 | l.add(new StringTask()); |
| 1679 | List<Future<String>> futures = |
| 1680 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1681 | assertEquals(2, futures.size()); |
| 1682 | for (Future<String> future : futures) |
| 1683 | assertSame(TEST_STRING, future.get()); |
| 1684 | } finally { |
| 1685 | joinPool(e); |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | /** |
| 1690 | * timed invokeAll(c) cancels tasks not completed by timeout |
| 1691 | */ |
| 1692 | public void testTimedInvokeAll6() throws Exception { |
| 1693 | ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1694 | try { |
| 1695 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1696 | l.add(new StringTask()); |
| 1697 | l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
| 1698 | l.add(new StringTask()); |
| 1699 | List<Future<String>> futures = |
| 1700 | e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
| 1701 | assertEquals(l.size(), futures.size()); |
| 1702 | for (Future future : futures) |
| 1703 | assertTrue(future.isDone()); |
| 1704 | assertFalse(futures.get(0).isCancelled()); |
| 1705 | assertTrue(futures.get(1).isCancelled()); |
| 1706 | } finally { |
| 1707 | joinPool(e); |
| 1708 | } |
| 1709 | } |
| 1710 | |
| 1711 | /** |
| 1712 | * Execution continues if there is at least one thread even if |
| 1713 | * thread factory fails to create more |
| 1714 | */ |
| 1715 | public void testFailingThreadFactory() throws InterruptedException { |
| 1716 | final ExecutorService e = |
| 1717 | new CustomTPE(100, 100, |
| 1718 | LONG_DELAY_MS, MILLISECONDS, |
| 1719 | new LinkedBlockingQueue<Runnable>(), |
| 1720 | new FailingThreadFactory()); |
| 1721 | try { |
| 1722 | final int TASKS = 100; |
| 1723 | final CountDownLatch done = new CountDownLatch(TASKS); |
| 1724 | for (int k = 0; k < TASKS; ++k) |
| 1725 | e.execute(new CheckedRunnable() { |
| 1726 | public void realRun() { |
| 1727 | done.countDown(); |
| 1728 | }}); |
| 1729 | assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
| 1730 | } finally { |
| 1731 | joinPool(e); |
| 1732 | } |
| 1733 | } |
| 1734 | |
| 1735 | /** |
| 1736 | * allowsCoreThreadTimeOut is by default false. |
| 1737 | */ |
| 1738 | public void testAllowsCoreThreadTimeOut() { |
| 1739 | ThreadPoolExecutor p = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
| 1740 | assertFalse(p.allowsCoreThreadTimeOut()); |
| 1741 | joinPool(p); |
| 1742 | } |
| 1743 | |
| 1744 | /** |
| 1745 | * allowCoreThreadTimeOut(true) causes idle threads to time out |
| 1746 | */ |
| 1747 | public void testAllowCoreThreadTimeOut_true() throws Exception { |
| 1748 | long coreThreadTimeOut = SHORT_DELAY_MS; |
| 1749 | final ThreadPoolExecutor p = |
| 1750 | new CustomTPE(2, 10, |
| 1751 | coreThreadTimeOut, MILLISECONDS, |
| 1752 | new ArrayBlockingQueue<Runnable>(10)); |
| 1753 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 1754 | try { |
| 1755 | p.allowCoreThreadTimeOut(true); |
| 1756 | p.execute(new CheckedRunnable() { |
| 1757 | public void realRun() throws InterruptedException { |
| 1758 | threadStarted.countDown(); |
| 1759 | assertEquals(1, p.getPoolSize()); |
| 1760 | }}); |
| 1761 | await(threadStarted); |
| 1762 | delay(coreThreadTimeOut); |
| 1763 | long startTime = System.nanoTime(); |
| 1764 | while (p.getPoolSize() > 0 |
| 1765 | && millisElapsedSince(startTime) < LONG_DELAY_MS) |
| 1766 | Thread.yield(); |
| 1767 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
| 1768 | assertEquals(0, p.getPoolSize()); |
| 1769 | } finally { |
| 1770 | joinPool(p); |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | /** |
| 1775 | * allowCoreThreadTimeOut(false) causes idle threads not to time out |
| 1776 | */ |
| 1777 | public void testAllowCoreThreadTimeOut_false() throws Exception { |
| 1778 | long coreThreadTimeOut = SHORT_DELAY_MS; |
| 1779 | final ThreadPoolExecutor p = |
| 1780 | new CustomTPE(2, 10, |
| 1781 | coreThreadTimeOut, MILLISECONDS, |
| 1782 | new ArrayBlockingQueue<Runnable>(10)); |
| 1783 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 1784 | try { |
| 1785 | p.allowCoreThreadTimeOut(false); |
| 1786 | p.execute(new CheckedRunnable() { |
| 1787 | public void realRun() throws InterruptedException { |
| 1788 | threadStarted.countDown(); |
| 1789 | assertTrue(p.getPoolSize() >= 1); |
| 1790 | }}); |
| 1791 | delay(2 * coreThreadTimeOut); |
| 1792 | assertTrue(p.getPoolSize() >= 1); |
| 1793 | } finally { |
| 1794 | joinPool(p); |
| 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | } |