Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Written by Doug Lea with assistance from members of JCP JSR-166 |
| 3 | * Expert Group and released to the public domain, as explained at |
| 4 | * http://creativecommons.org/publicdomain/zero/1.0/ |
| 5 | * Other contributors include Andrew Wright, Jeffrey Hayes, |
| 6 | * Pat Fisher, Mike Judd. |
| 7 | */ |
| 8 | |
| 9 | package jsr166; |
| 10 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 11 | import static java.util.concurrent.TimeUnit.MILLISECONDS; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 12 | |
| 13 | import java.security.PrivilegedAction; |
| 14 | import java.security.PrivilegedExceptionAction; |
| 15 | import java.util.ArrayList; |
| 16 | import java.util.Collections; |
| 17 | import java.util.List; |
| 18 | import java.util.concurrent.AbstractExecutorService; |
| 19 | import java.util.concurrent.ArrayBlockingQueue; |
| 20 | import java.util.concurrent.Callable; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 21 | import java.util.concurrent.CancellationException; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 22 | import java.util.concurrent.CountDownLatch; |
| 23 | import java.util.concurrent.ExecutionException; |
| 24 | import java.util.concurrent.Executors; |
| 25 | import java.util.concurrent.ExecutorService; |
| 26 | import java.util.concurrent.Future; |
| 27 | import java.util.concurrent.ThreadPoolExecutor; |
| 28 | import java.util.concurrent.TimeUnit; |
| 29 | import java.util.concurrent.atomic.AtomicBoolean; |
| 30 | |
| 31 | import junit.framework.Test; |
| 32 | import junit.framework.TestSuite; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 33 | |
| 34 | public class AbstractExecutorServiceTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 35 | // android-note: Removed because the CTS runner does a bad job of |
| 36 | // retrying tests that have suite() declarations. |
| 37 | // |
| 38 | // public static void main(String[] args) { |
| 39 | // main(suite(), args); |
| 40 | // } |
| 41 | // public static Test suite() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 42 | // return new TestSuite(AbstractExecutorServiceTest.class); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 43 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 44 | |
| 45 | /** |
| 46 | * A no-frills implementation of AbstractExecutorService, designed |
| 47 | * to test the submit methods only. |
| 48 | */ |
| 49 | static class DirectExecutorService extends AbstractExecutorService { |
| 50 | public void execute(Runnable r) { r.run(); } |
| 51 | public void shutdown() { shutdown = true; } |
| 52 | public List<Runnable> shutdownNow() { |
| 53 | shutdown = true; |
| 54 | return Collections.EMPTY_LIST; |
| 55 | } |
| 56 | public boolean isShutdown() { return shutdown; } |
| 57 | public boolean isTerminated() { return isShutdown(); } |
| 58 | public boolean awaitTermination(long timeout, TimeUnit unit) { |
| 59 | return isShutdown(); |
| 60 | } |
| 61 | private volatile boolean shutdown = false; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * execute(runnable) runs it to completion |
| 66 | */ |
| 67 | public void testExecuteRunnable() throws Exception { |
| 68 | ExecutorService e = new DirectExecutorService(); |
| 69 | final AtomicBoolean done = new AtomicBoolean(false); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 70 | Future<?> future = e.submit(new CheckedRunnable() { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 71 | public void realRun() { |
| 72 | done.set(true); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 73 | }}); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 74 | assertNull(future.get()); |
| 75 | assertNull(future.get(0, MILLISECONDS)); |
| 76 | assertTrue(done.get()); |
| 77 | assertTrue(future.isDone()); |
| 78 | assertFalse(future.isCancelled()); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Completed submit(callable) returns result |
| 83 | */ |
| 84 | public void testSubmitCallable() throws Exception { |
| 85 | ExecutorService e = new DirectExecutorService(); |
| 86 | Future<String> future = e.submit(new StringTask()); |
| 87 | String result = future.get(); |
| 88 | assertSame(TEST_STRING, result); |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Completed submit(runnable) returns successfully |
| 93 | */ |
| 94 | public void testSubmitRunnable() throws Exception { |
| 95 | ExecutorService e = new DirectExecutorService(); |
| 96 | Future<?> future = e.submit(new NoOpRunnable()); |
| 97 | future.get(); |
| 98 | assertTrue(future.isDone()); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Completed submit(runnable, result) returns result |
| 103 | */ |
| 104 | public void testSubmitRunnable2() throws Exception { |
| 105 | ExecutorService e = new DirectExecutorService(); |
| 106 | Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 107 | String result = future.get(); |
| 108 | assertSame(TEST_STRING, result); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * A submitted privileged action runs to completion |
| 113 | */ |
| 114 | public void testSubmitPrivilegedAction() throws Exception { |
| 115 | Runnable r = new CheckedRunnable() { |
| 116 | public void realRun() throws Exception { |
| 117 | ExecutorService e = new DirectExecutorService(); |
| 118 | Future future = e.submit(Executors.callable(new PrivilegedAction() { |
| 119 | public Object run() { |
| 120 | return TEST_STRING; |
| 121 | }})); |
| 122 | |
| 123 | assertSame(TEST_STRING, future.get()); |
| 124 | }}; |
| 125 | |
| 126 | runWithPermissions(r, |
| 127 | new RuntimePermission("getClassLoader"), |
| 128 | new RuntimePermission("setContextClassLoader"), |
| 129 | new RuntimePermission("modifyThread")); |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * A submitted privileged exception action runs to completion |
| 134 | */ |
| 135 | public void testSubmitPrivilegedExceptionAction() throws Exception { |
| 136 | Runnable r = new CheckedRunnable() { |
| 137 | public void realRun() throws Exception { |
| 138 | ExecutorService e = new DirectExecutorService(); |
| 139 | Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 140 | public Object run() { |
| 141 | return TEST_STRING; |
| 142 | }})); |
| 143 | |
| 144 | assertSame(TEST_STRING, future.get()); |
| 145 | }}; |
| 146 | |
| 147 | runWithPermissions(r); |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * A submitted failed privileged exception action reports exception |
| 152 | */ |
| 153 | public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
| 154 | Runnable r = new CheckedRunnable() { |
| 155 | public void realRun() throws Exception { |
| 156 | ExecutorService e = new DirectExecutorService(); |
| 157 | Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
| 158 | public Object run() throws Exception { |
| 159 | throw new IndexOutOfBoundsException(); |
| 160 | }})); |
| 161 | |
| 162 | try { |
| 163 | future.get(); |
| 164 | shouldThrow(); |
| 165 | } catch (ExecutionException success) { |
| 166 | assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
| 167 | }}}; |
| 168 | |
| 169 | runWithPermissions(r); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * execute(null runnable) throws NPE |
| 174 | */ |
| 175 | public void testExecuteNullRunnable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 176 | ExecutorService e = new DirectExecutorService(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 177 | try { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 178 | e.submit((Runnable) null); |
| 179 | shouldThrow(); |
| 180 | } catch (NullPointerException success) {} |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * submit(null callable) throws NPE |
| 185 | */ |
| 186 | public void testSubmitNullCallable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 187 | ExecutorService e = new DirectExecutorService(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 188 | try { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 189 | e.submit((Callable) null); |
| 190 | shouldThrow(); |
| 191 | } catch (NullPointerException success) {} |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * submit(callable).get() throws InterruptedException if interrupted |
| 196 | */ |
| 197 | public void testInterruptedSubmit() throws InterruptedException { |
| 198 | final CountDownLatch submitted = new CountDownLatch(1); |
| 199 | final CountDownLatch quittingTime = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 200 | final Callable<Void> awaiter = new CheckedCallable<Void>() { |
| 201 | public Void realCall() throws InterruptedException { |
| 202 | assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS)); |
| 203 | return null; |
| 204 | }}; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 205 | final ExecutorService p |
| 206 | = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
| 207 | new ArrayBlockingQueue<Runnable>(10)); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 208 | try (PoolCleaner cleaner = cleaner(p, quittingTime)) { |
| 209 | Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 210 | public void realRun() throws Exception { |
| 211 | Future<Void> future = p.submit(awaiter); |
| 212 | submitted.countDown(); |
| 213 | future.get(); |
| 214 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 215 | |
| 216 | await(submitted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 217 | t.interrupt(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 218 | awaitTermination(t); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * get of submit(callable) throws ExecutionException if callable |
| 224 | * throws exception |
| 225 | */ |
| 226 | public void testSubmitEE() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 227 | final ThreadPoolExecutor p = |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 228 | new ThreadPoolExecutor(1, 1, |
| 229 | 60, TimeUnit.SECONDS, |
| 230 | new ArrayBlockingQueue<Runnable>(10)); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 231 | try (PoolCleaner cleaner = cleaner(p)) { |
| 232 | Callable c = new Callable() { |
| 233 | public Object call() { throw new ArithmeticException(); }}; |
| 234 | try { |
| 235 | p.submit(c).get(); |
| 236 | shouldThrow(); |
| 237 | } catch (ExecutionException success) { |
| 238 | assertTrue(success.getCause() instanceof ArithmeticException); |
| 239 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 240 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | /** |
| 244 | * invokeAny(null) throws NPE |
| 245 | */ |
| 246 | public void testInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 247 | final ExecutorService e = new DirectExecutorService(); |
| 248 | try (PoolCleaner cleaner = cleaner(e)) { |
| 249 | try { |
| 250 | e.invokeAny(null); |
| 251 | shouldThrow(); |
| 252 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 253 | } |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * invokeAny(empty collection) throws IAE |
| 258 | */ |
| 259 | public void testInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 260 | final ExecutorService e = new DirectExecutorService(); |
| 261 | try (PoolCleaner cleaner = cleaner(e)) { |
| 262 | try { |
| 263 | e.invokeAny(new ArrayList<Callable<String>>()); |
| 264 | shouldThrow(); |
| 265 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * invokeAny(c) throws NPE if c has null elements |
| 271 | */ |
| 272 | public void testInvokeAny3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 273 | final ExecutorService e = new DirectExecutorService(); |
| 274 | try (PoolCleaner cleaner = cleaner(e)) { |
| 275 | List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
| 276 | l.add(new Callable<Long>() { |
| 277 | public Long call() { throw new ArithmeticException(); }}); |
| 278 | l.add(null); |
| 279 | try { |
| 280 | e.invokeAny(l); |
| 281 | shouldThrow(); |
| 282 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * invokeAny(c) throws ExecutionException if no task in c completes |
| 288 | */ |
| 289 | public void testInvokeAny4() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 290 | final ExecutorService e = new DirectExecutorService(); |
| 291 | try (PoolCleaner cleaner = cleaner(e)) { |
| 292 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 293 | l.add(new NPETask()); |
| 294 | try { |
| 295 | e.invokeAny(l); |
| 296 | shouldThrow(); |
| 297 | } catch (ExecutionException success) { |
| 298 | assertTrue(success.getCause() instanceof NullPointerException); |
| 299 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * invokeAny(c) returns result of some task in c if at least one completes |
| 305 | */ |
| 306 | public void testInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 307 | final ExecutorService e = new DirectExecutorService(); |
| 308 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 309 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 310 | l.add(new StringTask()); |
| 311 | l.add(new StringTask()); |
| 312 | String result = e.invokeAny(l); |
| 313 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 314 | } |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * invokeAll(null) throws NPE |
| 319 | */ |
| 320 | public void testInvokeAll1() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 321 | final ExecutorService e = new DirectExecutorService(); |
| 322 | try (PoolCleaner cleaner = cleaner(e)) { |
| 323 | try { |
| 324 | e.invokeAll(null); |
| 325 | shouldThrow(); |
| 326 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 327 | } |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * invokeAll(empty collection) returns empty collection |
| 332 | */ |
| 333 | public void testInvokeAll2() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 334 | final ExecutorService e = new DirectExecutorService(); |
| 335 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 336 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
| 337 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * invokeAll(c) throws NPE if c has null elements |
| 343 | */ |
| 344 | public void testInvokeAll3() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 345 | final ExecutorService e = new DirectExecutorService(); |
| 346 | try (PoolCleaner cleaner = cleaner(e)) { |
| 347 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 348 | l.add(new StringTask()); |
| 349 | l.add(null); |
| 350 | try { |
| 351 | e.invokeAll(l); |
| 352 | shouldThrow(); |
| 353 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 354 | } |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * get of returned element of invokeAll(c) throws exception on failed task |
| 359 | */ |
| 360 | public void testInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 361 | final ExecutorService e = new DirectExecutorService(); |
| 362 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 363 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 364 | l.add(new NPETask()); |
| 365 | List<Future<String>> futures = e.invokeAll(l); |
| 366 | assertEquals(1, futures.size()); |
| 367 | try { |
| 368 | futures.get(0).get(); |
| 369 | shouldThrow(); |
| 370 | } catch (ExecutionException success) { |
| 371 | assertTrue(success.getCause() instanceof NullPointerException); |
| 372 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 373 | } |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * invokeAll(c) returns results of all completed tasks in c |
| 378 | */ |
| 379 | public void testInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 380 | final ExecutorService e = new DirectExecutorService(); |
| 381 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 382 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 383 | l.add(new StringTask()); |
| 384 | l.add(new StringTask()); |
| 385 | List<Future<String>> futures = e.invokeAll(l); |
| 386 | assertEquals(2, futures.size()); |
| 387 | for (Future<String> future : futures) |
| 388 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 389 | } |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * timed invokeAny(null) throws NPE |
| 394 | */ |
| 395 | public void testTimedInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 396 | final ExecutorService e = new DirectExecutorService(); |
| 397 | try (PoolCleaner cleaner = cleaner(e)) { |
| 398 | try { |
| 399 | e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 400 | shouldThrow(); |
| 401 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * timed invokeAny(null time unit) throws NPE |
| 407 | */ |
| 408 | public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 409 | final ExecutorService e = new DirectExecutorService(); |
| 410 | try (PoolCleaner cleaner = cleaner(e)) { |
| 411 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 412 | l.add(new StringTask()); |
| 413 | try { |
| 414 | e.invokeAny(l, MEDIUM_DELAY_MS, null); |
| 415 | shouldThrow(); |
| 416 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 417 | } |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * timed invokeAny(empty collection) throws IAE |
| 422 | */ |
| 423 | public void testTimedInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 424 | final ExecutorService e = new DirectExecutorService(); |
| 425 | try (PoolCleaner cleaner = cleaner(e)) { |
| 426 | try { |
| 427 | e.invokeAny(new ArrayList<Callable<String>>(), |
| 428 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 429 | shouldThrow(); |
| 430 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 431 | } |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * timed invokeAny(c) throws NPE if c has null elements |
| 436 | */ |
| 437 | public void testTimedInvokeAny3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 438 | final ExecutorService e = new DirectExecutorService(); |
| 439 | try (PoolCleaner cleaner = cleaner(e)) { |
| 440 | List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
| 441 | l.add(new Callable<Long>() { |
| 442 | public Long call() { throw new ArithmeticException(); }}); |
| 443 | l.add(null); |
| 444 | try { |
| 445 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 446 | shouldThrow(); |
| 447 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 448 | } |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * timed invokeAny(c) throws ExecutionException if no task completes |
| 453 | */ |
| 454 | public void testTimedInvokeAny4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 455 | final ExecutorService e = new DirectExecutorService(); |
| 456 | try (PoolCleaner cleaner = cleaner(e)) { |
| 457 | long startTime = System.nanoTime(); |
| 458 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 459 | l.add(new NPETask()); |
| 460 | try { |
| 461 | e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
| 462 | shouldThrow(); |
| 463 | } catch (ExecutionException success) { |
| 464 | assertTrue(success.getCause() instanceof NullPointerException); |
| 465 | } |
| 466 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * timed invokeAny(c) returns result of some task in c |
| 472 | */ |
| 473 | public void testTimedInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 474 | final ExecutorService e = new DirectExecutorService(); |
| 475 | try (PoolCleaner cleaner = cleaner(e)) { |
| 476 | long startTime = System.nanoTime(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 477 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 478 | l.add(new StringTask()); |
| 479 | l.add(new StringTask()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 480 | String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 481 | assertSame(TEST_STRING, result); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 482 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 483 | } |
| 484 | } |
| 485 | |
| 486 | /** |
| 487 | * timed invokeAll(null) throws NPE |
| 488 | */ |
| 489 | public void testTimedInvokeAll1() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 490 | final ExecutorService e = new DirectExecutorService(); |
| 491 | try (PoolCleaner cleaner = cleaner(e)) { |
| 492 | try { |
| 493 | e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 494 | shouldThrow(); |
| 495 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 496 | } |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * timed invokeAll(null time unit) throws NPE |
| 501 | */ |
| 502 | public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 503 | final ExecutorService e = new DirectExecutorService(); |
| 504 | try (PoolCleaner cleaner = cleaner(e)) { |
| 505 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 506 | l.add(new StringTask()); |
| 507 | try { |
| 508 | e.invokeAll(l, MEDIUM_DELAY_MS, null); |
| 509 | shouldThrow(); |
| 510 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 511 | } |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * timed invokeAll(empty collection) returns empty collection |
| 516 | */ |
| 517 | public void testTimedInvokeAll2() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 518 | final ExecutorService e = new DirectExecutorService(); |
| 519 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 520 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 521 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
| 525 | /** |
| 526 | * timed invokeAll(c) throws NPE if c has null elements |
| 527 | */ |
| 528 | public void testTimedInvokeAll3() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 529 | final ExecutorService e = new DirectExecutorService(); |
| 530 | try (PoolCleaner cleaner = cleaner(e)) { |
| 531 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 532 | l.add(new StringTask()); |
| 533 | l.add(null); |
| 534 | try { |
| 535 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 536 | shouldThrow(); |
| 537 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 538 | } |
| 539 | } |
| 540 | |
| 541 | /** |
| 542 | * get of returned element of invokeAll(c) throws exception on failed task |
| 543 | */ |
| 544 | public void testTimedInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 545 | final ExecutorService e = new DirectExecutorService(); |
| 546 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 547 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 548 | l.add(new NPETask()); |
| 549 | List<Future<String>> futures = |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 550 | e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 551 | assertEquals(1, futures.size()); |
| 552 | try { |
| 553 | futures.get(0).get(); |
| 554 | shouldThrow(); |
| 555 | } catch (ExecutionException success) { |
| 556 | assertTrue(success.getCause() instanceof NullPointerException); |
| 557 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 558 | } |
| 559 | } |
| 560 | |
| 561 | /** |
| 562 | * timed invokeAll(c) returns results of all completed tasks in c |
| 563 | */ |
| 564 | public void testTimedInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 565 | final ExecutorService e = new DirectExecutorService(); |
| 566 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 567 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 568 | l.add(new StringTask()); |
| 569 | l.add(new StringTask()); |
| 570 | List<Future<String>> futures = |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 571 | e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 572 | assertEquals(2, futures.size()); |
| 573 | for (Future<String> future : futures) |
| 574 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 575 | } |
| 576 | } |
| 577 | |
| 578 | /** |
| 579 | * timed invokeAll cancels tasks not completed by timeout |
| 580 | */ |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 581 | public void testTimedInvokeAll6() throws Exception { |
| 582 | final ExecutorService e = new DirectExecutorService(); |
| 583 | try (PoolCleaner cleaner = cleaner(e)) { |
| 584 | for (long timeout = timeoutMillis();;) { |
| 585 | List<Callable<String>> tasks = new ArrayList<>(); |
| 586 | tasks.add(new StringTask("0")); |
| 587 | tasks.add(Executors.callable(possiblyInterruptedRunnable(timeout), |
| 588 | TEST_STRING)); |
| 589 | tasks.add(new StringTask("2")); |
| 590 | long startTime = System.nanoTime(); |
| 591 | List<Future<String>> futures = |
| 592 | e.invokeAll(tasks, timeout, MILLISECONDS); |
| 593 | assertEquals(tasks.size(), futures.size()); |
| 594 | assertTrue(millisElapsedSince(startTime) >= timeout); |
| 595 | for (Future future : futures) |
| 596 | assertTrue(future.isDone()); |
| 597 | try { |
| 598 | assertEquals("0", futures.get(0).get()); |
| 599 | assertEquals(TEST_STRING, futures.get(1).get()); |
| 600 | } catch (CancellationException retryWithLongerTimeout) { |
| 601 | // unusual delay before starting second task |
| 602 | timeout *= 2; |
| 603 | if (timeout >= LONG_DELAY_MS / 2) |
| 604 | fail("expected exactly one task to be cancelled"); |
| 605 | continue; |
| 606 | } |
| 607 | assertTrue(futures.get(2).isCancelled()); |
| 608 | break; |
| 609 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 610 | } |
| 611 | } |
| 612 | |
| 613 | } |