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 | */ |
| 6 | |
| 7 | package jsr166; |
| 8 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 9 | import static java.util.concurrent.TimeUnit.MILLISECONDS; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 10 | import static java.util.concurrent.TimeUnit.NANOSECONDS; |
| 11 | import static java.util.concurrent.TimeUnit.SECONDS; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 12 | |
| 13 | import java.util.ArrayList; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 14 | import java.util.HashSet; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 15 | import java.util.List; |
| 16 | import java.util.concurrent.BlockingQueue; |
| 17 | import java.util.concurrent.Callable; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 18 | import java.util.concurrent.CancellationException; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 19 | import java.util.concurrent.CountDownLatch; |
| 20 | import java.util.concurrent.Delayed; |
| 21 | import java.util.concurrent.ExecutionException; |
| 22 | import java.util.concurrent.Executors; |
| 23 | import java.util.concurrent.ExecutorService; |
| 24 | import java.util.concurrent.Future; |
| 25 | import java.util.concurrent.RejectedExecutionException; |
| 26 | import java.util.concurrent.RejectedExecutionHandler; |
| 27 | import java.util.concurrent.RunnableScheduledFuture; |
| 28 | import java.util.concurrent.ScheduledFuture; |
| 29 | import java.util.concurrent.ScheduledThreadPoolExecutor; |
| 30 | import java.util.concurrent.ThreadFactory; |
| 31 | import java.util.concurrent.ThreadPoolExecutor; |
| 32 | import java.util.concurrent.TimeoutException; |
| 33 | import java.util.concurrent.TimeUnit; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 34 | import java.util.concurrent.atomic.AtomicBoolean; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 35 | import java.util.concurrent.atomic.AtomicInteger; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 36 | import java.util.concurrent.atomic.AtomicLong; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 37 | |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 38 | import junit.framework.Test; |
| 39 | import junit.framework.TestSuite; |
| 40 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 41 | public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 42 | // android-note: Removed because the CTS runner does a bad job of |
| 43 | // retrying tests that have suite() declarations. |
| 44 | // |
| 45 | // public static void main(String[] args) { |
| 46 | // main(suite(), args); |
| 47 | // } |
| 48 | // public static Test suite() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 49 | // return new TestSuite(ScheduledExecutorSubclassTest.class); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 50 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 51 | |
| 52 | static class CustomTask<V> implements RunnableScheduledFuture<V> { |
| 53 | RunnableScheduledFuture<V> task; |
| 54 | volatile boolean ran; |
| 55 | CustomTask(RunnableScheduledFuture<V> t) { task = t; } |
| 56 | public boolean isPeriodic() { return task.isPeriodic(); } |
| 57 | public void run() { |
| 58 | ran = true; |
| 59 | task.run(); |
| 60 | } |
| 61 | public long getDelay(TimeUnit unit) { return task.getDelay(unit); } |
| 62 | public int compareTo(Delayed t) { |
| 63 | return task.compareTo(((CustomTask)t).task); |
| 64 | } |
| 65 | public boolean cancel(boolean mayInterruptIfRunning) { |
| 66 | return task.cancel(mayInterruptIfRunning); |
| 67 | } |
| 68 | public boolean isCancelled() { return task.isCancelled(); } |
| 69 | public boolean isDone() { return task.isDone(); } |
| 70 | public V get() throws InterruptedException, ExecutionException { |
| 71 | V v = task.get(); |
| 72 | assertTrue(ran); |
| 73 | return v; |
| 74 | } |
| 75 | public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
| 76 | V v = task.get(time, unit); |
| 77 | assertTrue(ran); |
| 78 | return v; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | public class CustomExecutor extends ScheduledThreadPoolExecutor { |
| 83 | |
| 84 | protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
| 85 | return new CustomTask<V>(task); |
| 86 | } |
| 87 | |
| 88 | protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) { |
| 89 | return new CustomTask<V>(task); |
| 90 | } |
| 91 | CustomExecutor(int corePoolSize) { super(corePoolSize); } |
| 92 | CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) { |
| 93 | super(corePoolSize, handler); |
| 94 | } |
| 95 | |
| 96 | CustomExecutor(int corePoolSize, ThreadFactory threadFactory) { |
| 97 | super(corePoolSize, threadFactory); |
| 98 | } |
| 99 | CustomExecutor(int corePoolSize, ThreadFactory threadFactory, |
| 100 | RejectedExecutionHandler handler) { |
| 101 | super(corePoolSize, threadFactory, handler); |
| 102 | } |
| 103 | |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * execute successfully executes a runnable |
| 108 | */ |
| 109 | public void testExecute() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 110 | final CustomExecutor p = new CustomExecutor(1); |
| 111 | try (PoolCleaner cleaner = cleaner(p)) { |
| 112 | final CountDownLatch done = new CountDownLatch(1); |
| 113 | final Runnable task = new CheckedRunnable() { |
| 114 | public void realRun() { done.countDown(); }}; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 115 | p.execute(task); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 116 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * delayed schedule of callable successfully executes after delay |
| 122 | */ |
| 123 | public void testSchedule1() throws Exception { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 124 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 125 | final CustomExecutor p = new CustomExecutor(1); |
| 126 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 127 | final long startTime = System.nanoTime(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 128 | Callable task = new CheckedCallable<Boolean>() { |
| 129 | public Boolean realCall() { |
| 130 | done.countDown(); |
| 131 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 132 | return Boolean.TRUE; |
| 133 | }}; |
| 134 | Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
| 135 | assertSame(Boolean.TRUE, f.get()); |
| 136 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * delayed schedule of runnable successfully executes after delay |
| 142 | */ |
| 143 | public void testSchedule3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 144 | final CustomExecutor p = new CustomExecutor(1); |
| 145 | try (PoolCleaner cleaner = cleaner(p)) { |
| 146 | final long startTime = System.nanoTime(); |
| 147 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 148 | Runnable task = new CheckedRunnable() { |
| 149 | public void realRun() { |
| 150 | done.countDown(); |
| 151 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 152 | }}; |
| 153 | Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
| 154 | await(done); |
| 155 | assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
| 156 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 157 | } |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * scheduleAtFixedRate executes runnable after given initial delay |
| 162 | */ |
| 163 | public void testSchedule4() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 164 | final CustomExecutor p = new CustomExecutor(1); |
| 165 | try (PoolCleaner cleaner = cleaner(p)) { |
| 166 | final long startTime = System.nanoTime(); |
| 167 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 168 | Runnable task = new CheckedRunnable() { |
| 169 | public void realRun() { |
| 170 | done.countDown(); |
| 171 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 172 | }}; |
| 173 | ScheduledFuture f = |
| 174 | p.scheduleAtFixedRate(task, timeoutMillis(), |
| 175 | LONG_DELAY_MS, MILLISECONDS); |
| 176 | await(done); |
| 177 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 178 | f.cancel(true); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 179 | } |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * scheduleWithFixedDelay executes runnable after given initial delay |
| 184 | */ |
| 185 | public void testSchedule5() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 186 | final CustomExecutor p = new CustomExecutor(1); |
| 187 | try (PoolCleaner cleaner = cleaner(p)) { |
| 188 | final long startTime = System.nanoTime(); |
| 189 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 190 | Runnable task = new CheckedRunnable() { |
| 191 | public void realRun() { |
| 192 | done.countDown(); |
| 193 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 194 | }}; |
| 195 | ScheduledFuture f = |
| 196 | p.scheduleWithFixedDelay(task, timeoutMillis(), |
| 197 | LONG_DELAY_MS, MILLISECONDS); |
| 198 | await(done); |
| 199 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 200 | f.cancel(true); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 201 | } |
| 202 | } |
| 203 | |
| 204 | static class RunnableCounter implements Runnable { |
| 205 | AtomicInteger count = new AtomicInteger(0); |
| 206 | public void run() { count.getAndIncrement(); } |
| 207 | } |
| 208 | |
| 209 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 210 | * scheduleAtFixedRate executes series of tasks at given rate. |
| 211 | * Eventually, it must hold that: |
| 212 | * cycles - 1 <= elapsedMillis/delay < cycles |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 213 | */ |
| 214 | public void testFixedRateSequence() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 215 | final CustomExecutor p = new CustomExecutor(1); |
| 216 | try (PoolCleaner cleaner = cleaner(p)) { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 217 | for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 218 | final long startTime = System.nanoTime(); |
| 219 | final int cycles = 8; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 220 | final CountDownLatch done = new CountDownLatch(cycles); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 221 | final Runnable task = new CheckedRunnable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 222 | public void realRun() { done.countDown(); }}; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 223 | final ScheduledFuture periodicTask = |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 224 | p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 225 | final int totalDelayMillis = (cycles - 1) * delay; |
| 226 | await(done, totalDelayMillis + LONG_DELAY_MS); |
| 227 | periodicTask.cancel(true); |
| 228 | final long elapsedMillis = millisElapsedSince(startTime); |
| 229 | assertTrue(elapsedMillis >= totalDelayMillis); |
| 230 | if (elapsedMillis <= cycles * delay) |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 231 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 232 | // else retry with longer delay |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 233 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 234 | fail("unexpected execution rate"); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 235 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 239 | * scheduleWithFixedDelay executes series of tasks with given period. |
| 240 | * Eventually, it must hold that each task starts at least delay and at |
| 241 | * most 2 * delay after the termination of the previous task. |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 242 | */ |
| 243 | public void testFixedDelaySequence() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 244 | final CustomExecutor p = new CustomExecutor(1); |
| 245 | try (PoolCleaner cleaner = cleaner(p)) { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 246 | for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 247 | final long startTime = System.nanoTime(); |
| 248 | final AtomicLong previous = new AtomicLong(startTime); |
| 249 | final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
| 250 | final int cycles = 8; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 251 | final CountDownLatch done = new CountDownLatch(cycles); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 252 | final int d = delay; |
| 253 | final Runnable task = new CheckedRunnable() { |
| 254 | public void realRun() { |
| 255 | long now = System.nanoTime(); |
| 256 | long elapsedMillis |
| 257 | = NANOSECONDS.toMillis(now - previous.get()); |
| 258 | if (done.getCount() == cycles) { // first execution |
| 259 | if (elapsedMillis >= d) |
| 260 | tryLongerDelay.set(true); |
| 261 | } else { |
| 262 | assertTrue(elapsedMillis >= d); |
| 263 | if (elapsedMillis >= 2 * d) |
| 264 | tryLongerDelay.set(true); |
| 265 | } |
| 266 | previous.set(now); |
| 267 | done.countDown(); |
| 268 | }}; |
| 269 | final ScheduledFuture periodicTask = |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 270 | p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 271 | final int totalDelayMillis = (cycles - 1) * delay; |
| 272 | await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
| 273 | periodicTask.cancel(true); |
| 274 | final long elapsedMillis = millisElapsedSince(startTime); |
| 275 | assertTrue(elapsedMillis >= totalDelayMillis); |
| 276 | if (!tryLongerDelay.get()) |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 277 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 278 | // else retry with longer delay |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 279 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 280 | fail("unexpected execution rate"); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 281 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | /** |
| 285 | * execute(null) throws NPE |
| 286 | */ |
| 287 | public void testExecuteNull() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 288 | final CustomExecutor p = new CustomExecutor(1); |
| 289 | try (PoolCleaner cleaner = cleaner(p)) { |
| 290 | try { |
| 291 | p.execute(null); |
| 292 | shouldThrow(); |
| 293 | } catch (NullPointerException success) {} |
| 294 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | /** |
| 298 | * schedule(null) throws NPE |
| 299 | */ |
| 300 | public void testScheduleNull() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 301 | final CustomExecutor p = new CustomExecutor(1); |
| 302 | try (PoolCleaner cleaner = cleaner(p)) { |
| 303 | try { |
| 304 | TrackedCallable callable = null; |
| 305 | Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
| 306 | shouldThrow(); |
| 307 | } catch (NullPointerException success) {} |
| 308 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | /** |
| 312 | * execute throws RejectedExecutionException if shutdown |
| 313 | */ |
| 314 | public void testSchedule1_RejectedExecutionException() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 315 | final CustomExecutor p = new CustomExecutor(1); |
| 316 | try (PoolCleaner cleaner = cleaner(p)) { |
| 317 | try { |
| 318 | p.shutdown(); |
| 319 | p.schedule(new NoOpRunnable(), |
| 320 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 321 | shouldThrow(); |
| 322 | } catch (RejectedExecutionException success) { |
| 323 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 324 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | /** |
| 328 | * schedule throws RejectedExecutionException if shutdown |
| 329 | */ |
| 330 | public void testSchedule2_RejectedExecutionException() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 331 | final CustomExecutor p = new CustomExecutor(1); |
| 332 | try (PoolCleaner cleaner = cleaner(p)) { |
| 333 | try { |
| 334 | p.shutdown(); |
| 335 | p.schedule(new NoOpCallable(), |
| 336 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 337 | shouldThrow(); |
| 338 | } catch (RejectedExecutionException success) { |
| 339 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 340 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | /** |
| 344 | * schedule callable throws RejectedExecutionException if shutdown |
| 345 | */ |
| 346 | public void testSchedule3_RejectedExecutionException() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 347 | final CustomExecutor p = new CustomExecutor(1); |
| 348 | try (PoolCleaner cleaner = cleaner(p)) { |
| 349 | try { |
| 350 | p.shutdown(); |
| 351 | p.schedule(new NoOpCallable(), |
| 352 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 353 | shouldThrow(); |
| 354 | } catch (RejectedExecutionException success) { |
| 355 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 356 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | /** |
| 360 | * scheduleAtFixedRate throws RejectedExecutionException if shutdown |
| 361 | */ |
| 362 | public void testScheduleAtFixedRate1_RejectedExecutionException() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 363 | final CustomExecutor p = new CustomExecutor(1); |
| 364 | try (PoolCleaner cleaner = cleaner(p)) { |
| 365 | try { |
| 366 | p.shutdown(); |
| 367 | p.scheduleAtFixedRate(new NoOpRunnable(), |
| 368 | MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
| 369 | shouldThrow(); |
| 370 | } catch (RejectedExecutionException success) { |
| 371 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 372 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | /** |
| 376 | * scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
| 377 | */ |
| 378 | public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 379 | final CustomExecutor p = new CustomExecutor(1); |
| 380 | try (PoolCleaner cleaner = cleaner(p)) { |
| 381 | try { |
| 382 | p.shutdown(); |
| 383 | p.scheduleWithFixedDelay(new NoOpRunnable(), |
| 384 | MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
| 385 | shouldThrow(); |
| 386 | } catch (RejectedExecutionException success) { |
| 387 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 388 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | /** |
| 392 | * getActiveCount increases but doesn't overestimate, when a |
| 393 | * thread becomes active |
| 394 | */ |
| 395 | public void testGetActiveCount() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 396 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 397 | final ThreadPoolExecutor p = new CustomExecutor(2); |
| 398 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 399 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 400 | assertEquals(0, p.getActiveCount()); |
| 401 | p.execute(new CheckedRunnable() { |
| 402 | public void realRun() throws InterruptedException { |
| 403 | threadStarted.countDown(); |
| 404 | assertEquals(1, p.getActiveCount()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 405 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 406 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 407 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 408 | assertEquals(1, p.getActiveCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 409 | } |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * getCompletedTaskCount increases, but doesn't overestimate, |
| 414 | * when tasks complete |
| 415 | */ |
| 416 | public void testGetCompletedTaskCount() throws InterruptedException { |
| 417 | final ThreadPoolExecutor p = new CustomExecutor(2); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 418 | try (PoolCleaner cleaner = cleaner(p)) { |
| 419 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 420 | final CountDownLatch threadProceed = new CountDownLatch(1); |
| 421 | final CountDownLatch threadDone = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 422 | assertEquals(0, p.getCompletedTaskCount()); |
| 423 | p.execute(new CheckedRunnable() { |
| 424 | public void realRun() throws InterruptedException { |
| 425 | threadStarted.countDown(); |
| 426 | assertEquals(0, p.getCompletedTaskCount()); |
| 427 | threadProceed.await(); |
| 428 | threadDone.countDown(); |
| 429 | }}); |
| 430 | await(threadStarted); |
| 431 | assertEquals(0, p.getCompletedTaskCount()); |
| 432 | threadProceed.countDown(); |
| 433 | threadDone.await(); |
| 434 | long startTime = System.nanoTime(); |
| 435 | while (p.getCompletedTaskCount() != 1) { |
| 436 | if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 437 | fail("timed out"); |
| 438 | Thread.yield(); |
| 439 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 440 | } |
| 441 | } |
| 442 | |
| 443 | /** |
| 444 | * getCorePoolSize returns size given in constructor if not otherwise set |
| 445 | */ |
| 446 | public void testGetCorePoolSize() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 447 | final CustomExecutor p = new CustomExecutor(1); |
| 448 | try (PoolCleaner cleaner = cleaner(p)) { |
| 449 | assertEquals(1, p.getCorePoolSize()); |
| 450 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | /** |
| 454 | * getLargestPoolSize increases, but doesn't overestimate, when |
| 455 | * multiple threads active |
| 456 | */ |
| 457 | public void testGetLargestPoolSize() throws InterruptedException { |
| 458 | final int THREADS = 3; |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 459 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 460 | final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
| 461 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 462 | final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 463 | assertEquals(0, p.getLargestPoolSize()); |
| 464 | for (int i = 0; i < THREADS; i++) |
| 465 | p.execute(new CheckedRunnable() { |
| 466 | public void realRun() throws InterruptedException { |
| 467 | threadsStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 468 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 469 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 470 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 471 | await(threadsStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 472 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 473 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 474 | assertEquals(THREADS, p.getLargestPoolSize()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | /** |
| 478 | * getPoolSize increases, but doesn't overestimate, when threads |
| 479 | * become active |
| 480 | */ |
| 481 | public void testGetPoolSize() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 482 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 483 | final ThreadPoolExecutor p = new CustomExecutor(1); |
| 484 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 485 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 486 | assertEquals(0, p.getPoolSize()); |
| 487 | p.execute(new CheckedRunnable() { |
| 488 | public void realRun() throws InterruptedException { |
| 489 | threadStarted.countDown(); |
| 490 | assertEquals(1, p.getPoolSize()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 491 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 492 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 493 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 494 | assertEquals(1, p.getPoolSize()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 495 | } |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * getTaskCount increases, but doesn't overestimate, when tasks |
| 500 | * submitted |
| 501 | */ |
| 502 | public void testGetTaskCount() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 503 | final int TASKS = 3; |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 504 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 505 | final ThreadPoolExecutor p = new CustomExecutor(1); |
| 506 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 507 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 508 | assertEquals(0, p.getTaskCount()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 509 | assertEquals(0, p.getCompletedTaskCount()); |
| 510 | p.execute(new CheckedRunnable() { |
| 511 | public void realRun() throws InterruptedException { |
| 512 | threadStarted.countDown(); |
| 513 | await(done); |
| 514 | }}); |
| 515 | await(threadStarted); |
| 516 | assertEquals(1, p.getTaskCount()); |
| 517 | assertEquals(0, p.getCompletedTaskCount()); |
| 518 | for (int i = 0; i < TASKS; i++) { |
| 519 | assertEquals(1 + i, p.getTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 520 | p.execute(new CheckedRunnable() { |
| 521 | public void realRun() throws InterruptedException { |
| 522 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 523 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 524 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 525 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 526 | } |
| 527 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 528 | assertEquals(0, p.getCompletedTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 529 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 530 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 531 | assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | /** |
| 535 | * getThreadFactory returns factory in constructor if not set |
| 536 | */ |
| 537 | public void testGetThreadFactory() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 538 | final ThreadFactory threadFactory = new SimpleThreadFactory(); |
| 539 | final CustomExecutor p = new CustomExecutor(1, threadFactory); |
| 540 | try (PoolCleaner cleaner = cleaner(p)) { |
| 541 | assertSame(threadFactory, p.getThreadFactory()); |
| 542 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | /** |
| 546 | * setThreadFactory sets the thread factory returned by getThreadFactory |
| 547 | */ |
| 548 | public void testSetThreadFactory() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 549 | final ThreadFactory threadFactory = new SimpleThreadFactory(); |
| 550 | final CustomExecutor p = new CustomExecutor(1); |
| 551 | try (PoolCleaner cleaner = cleaner(p)) { |
| 552 | p.setThreadFactory(threadFactory); |
| 553 | assertSame(threadFactory, p.getThreadFactory()); |
| 554 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /** |
| 558 | * setThreadFactory(null) throws NPE |
| 559 | */ |
| 560 | public void testSetThreadFactoryNull() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 561 | final CustomExecutor p = new CustomExecutor(1); |
| 562 | try (PoolCleaner cleaner = cleaner(p)) { |
| 563 | try { |
| 564 | p.setThreadFactory(null); |
| 565 | shouldThrow(); |
| 566 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 567 | } |
| 568 | } |
| 569 | |
| 570 | /** |
| 571 | * isShutdown is false before shutdown, true after |
| 572 | */ |
| 573 | public void testIsShutdown() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 574 | final CustomExecutor p = new CustomExecutor(1); |
| 575 | try (PoolCleaner cleaner = cleaner(p)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 576 | assertFalse(p.isShutdown()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 577 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 578 | assertTrue(p.isShutdown()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 579 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | /** |
| 583 | * isTerminated is false before termination, true after |
| 584 | */ |
| 585 | public void testIsTerminated() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 586 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 587 | final ThreadPoolExecutor p = new CustomExecutor(1); |
| 588 | try (PoolCleaner cleaner = cleaner(p)) { |
| 589 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 590 | p.execute(new CheckedRunnable() { |
| 591 | public void realRun() throws InterruptedException { |
| 592 | assertFalse(p.isTerminated()); |
| 593 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 594 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 595 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 596 | await(threadStarted); |
| 597 | assertFalse(p.isTerminated()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 598 | assertFalse(p.isTerminating()); |
| 599 | done.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 600 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 601 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 602 | assertTrue(p.isTerminated()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 603 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | /** |
| 607 | * isTerminating is not true when running or when terminated |
| 608 | */ |
| 609 | public void testIsTerminating() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 610 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 611 | final ThreadPoolExecutor p = new CustomExecutor(1); |
| 612 | try (PoolCleaner cleaner = cleaner(p)) { |
| 613 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 614 | assertFalse(p.isTerminating()); |
| 615 | p.execute(new CheckedRunnable() { |
| 616 | public void realRun() throws InterruptedException { |
| 617 | assertFalse(p.isTerminating()); |
| 618 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 619 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 620 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 621 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 622 | assertFalse(p.isTerminating()); |
| 623 | done.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 624 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 625 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 626 | assertTrue(p.isTerminated()); |
| 627 | assertFalse(p.isTerminating()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 628 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | /** |
| 632 | * getQueue returns the work queue, which contains queued tasks |
| 633 | */ |
| 634 | public void testGetQueue() throws InterruptedException { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 635 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 636 | final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
| 637 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 638 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 639 | ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 640 | for (int i = 0; i < tasks.length; i++) { |
| 641 | Runnable r = new CheckedRunnable() { |
| 642 | public void realRun() throws InterruptedException { |
| 643 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 644 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 645 | }}; |
| 646 | tasks[i] = p.schedule(r, 1, MILLISECONDS); |
| 647 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 648 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 649 | BlockingQueue<Runnable> q = p.getQueue(); |
| 650 | assertTrue(q.contains(tasks[tasks.length - 1])); |
| 651 | assertFalse(q.contains(tasks[0])); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 652 | } |
| 653 | } |
| 654 | |
| 655 | /** |
| 656 | * remove(task) removes queued task, and fails to remove active task |
| 657 | */ |
| 658 | public void testRemove() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 659 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 660 | final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
| 661 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 662 | ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 663 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 664 | for (int i = 0; i < tasks.length; i++) { |
| 665 | Runnable r = new CheckedRunnable() { |
| 666 | public void realRun() throws InterruptedException { |
| 667 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 668 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 669 | }}; |
| 670 | tasks[i] = p.schedule(r, 1, MILLISECONDS); |
| 671 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 672 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 673 | BlockingQueue<Runnable> q = p.getQueue(); |
| 674 | assertFalse(p.remove((Runnable)tasks[0])); |
| 675 | assertTrue(q.contains((Runnable)tasks[4])); |
| 676 | assertTrue(q.contains((Runnable)tasks[3])); |
| 677 | assertTrue(p.remove((Runnable)tasks[4])); |
| 678 | assertFalse(p.remove((Runnable)tasks[4])); |
| 679 | assertFalse(q.contains((Runnable)tasks[4])); |
| 680 | assertTrue(q.contains((Runnable)tasks[3])); |
| 681 | assertTrue(p.remove((Runnable)tasks[3])); |
| 682 | assertFalse(q.contains((Runnable)tasks[3])); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 683 | } |
| 684 | } |
| 685 | |
| 686 | /** |
| 687 | * purge removes cancelled tasks from the queue |
| 688 | */ |
| 689 | public void testPurge() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 690 | final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 691 | final Runnable releaser = new Runnable() { public void run() { |
| 692 | for (ScheduledFuture task : tasks) |
| 693 | if (task != null) task.cancel(true); }}; |
| 694 | final CustomExecutor p = new CustomExecutor(1); |
| 695 | try (PoolCleaner cleaner = cleaner(p, releaser)) { |
| 696 | for (int i = 0; i < tasks.length; i++) |
| 697 | tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
| 698 | LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 699 | int max = tasks.length; |
| 700 | if (tasks[4].cancel(true)) --max; |
| 701 | if (tasks[3].cancel(true)) --max; |
| 702 | // There must eventually be an interference-free point at |
| 703 | // which purge will not fail. (At worst, when queue is empty.) |
| 704 | long startTime = System.nanoTime(); |
| 705 | do { |
| 706 | p.purge(); |
| 707 | long count = p.getTaskCount(); |
| 708 | if (count == max) |
| 709 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 710 | } while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 711 | fail("Purge failed to remove cancelled tasks"); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | |
| 715 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 716 | * shutdownNow returns a list containing tasks that were not run, |
| 717 | * and those tasks are drained from the queue |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 718 | */ |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 719 | public void testShutdownNow() throws InterruptedException { |
| 720 | final int poolSize = 2; |
| 721 | final int count = 5; |
| 722 | final AtomicInteger ran = new AtomicInteger(0); |
| 723 | final CustomExecutor p = new CustomExecutor(poolSize); |
| 724 | final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
| 725 | Runnable waiter = new CheckedRunnable() { public void realRun() { |
| 726 | threadsStarted.countDown(); |
| 727 | try { |
| 728 | MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
| 729 | } catch (InterruptedException success) {} |
| 730 | ran.getAndIncrement(); |
| 731 | }}; |
| 732 | for (int i = 0; i < count; i++) |
| 733 | p.execute(waiter); |
| 734 | await(threadsStarted); |
| 735 | assertEquals(poolSize, p.getActiveCount()); |
| 736 | assertEquals(0, p.getCompletedTaskCount()); |
| 737 | final List<Runnable> queuedTasks; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 738 | try { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 739 | queuedTasks = p.shutdownNow(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 740 | } catch (SecurityException ok) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 741 | return; // Allowed in case test doesn't have privs |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 742 | } |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 743 | assertTrue(p.isShutdown()); |
| 744 | assertTrue(p.getQueue().isEmpty()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 745 | assertEquals(count - poolSize, queuedTasks.size()); |
| 746 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 747 | assertTrue(p.isTerminated()); |
| 748 | assertEquals(poolSize, ran.get()); |
| 749 | assertEquals(poolSize, p.getCompletedTaskCount()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 753 | * shutdownNow returns a list containing tasks that were not run, |
| 754 | * and those tasks are drained from the queue |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 755 | */ |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 756 | public void testShutdownNow_delayedTasks() throws InterruptedException { |
| 757 | final CustomExecutor p = new CustomExecutor(1); |
| 758 | List<ScheduledFuture> tasks = new ArrayList<>(); |
| 759 | for (int i = 0; i < 3; i++) { |
| 760 | Runnable r = new NoOpRunnable(); |
| 761 | tasks.add(p.schedule(r, 9, SECONDS)); |
| 762 | tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
| 763 | tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
| 764 | } |
| 765 | if (testImplementationDetails) |
| 766 | assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
| 767 | final List<Runnable> queuedTasks; |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 768 | try { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 769 | queuedTasks = p.shutdownNow(); |
| 770 | } catch (SecurityException ok) { |
| 771 | return; // Allowed in case test doesn't have privs |
| 772 | } |
| 773 | assertTrue(p.isShutdown()); |
| 774 | assertTrue(p.getQueue().isEmpty()); |
| 775 | if (testImplementationDetails) |
| 776 | assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
| 777 | assertEquals(tasks.size(), queuedTasks.size()); |
| 778 | for (ScheduledFuture task : tasks) { |
| 779 | assertFalse(((CustomTask)task).ran); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 780 | assertFalse(task.isDone()); |
| 781 | assertFalse(task.isCancelled()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 782 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 783 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 784 | assertTrue(p.isTerminated()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 785 | } |
Przemyslaw Szczepaniak | 5328e07 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 786 | |
| 787 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 788 | * By default, periodic tasks are cancelled at shutdown. |
| 789 | * By default, delayed tasks keep running after shutdown. |
| 790 | * Check that changing the default values work: |
| 791 | * - setExecuteExistingDelayedTasksAfterShutdownPolicy |
| 792 | * - setContinueExistingPeriodicTasksAfterShutdownPolicy |
| 793 | */ |
| 794 | public void testShutdown_cancellation() throws Exception { |
| 795 | Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
| 796 | for (Boolean policy : allBooleans) |
| 797 | { |
| 798 | final int poolSize = 2; |
| 799 | final CustomExecutor p = new CustomExecutor(poolSize); |
| 800 | final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
| 801 | final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
| 802 | final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
| 803 | if (policy != null) { |
| 804 | p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
| 805 | p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
| 806 | p.setRemoveOnCancelPolicy(policy); |
| 807 | } |
| 808 | assertEquals(effectiveDelayedPolicy, |
| 809 | p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
| 810 | assertEquals(effectivePeriodicPolicy, |
| 811 | p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
| 812 | assertEquals(effectiveRemovePolicy, |
| 813 | p.getRemoveOnCancelPolicy()); |
| 814 | // Strategy: Wedge the pool with poolSize "blocker" threads |
| 815 | final AtomicInteger ran = new AtomicInteger(0); |
| 816 | final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
| 817 | final CountDownLatch unblock = new CountDownLatch(1); |
| 818 | final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
| 819 | final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
| 820 | Runnable task = new CheckedRunnable() { public void realRun() |
| 821 | throws InterruptedException { |
| 822 | poolBlocked.countDown(); |
| 823 | assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
| 824 | ran.getAndIncrement(); |
| 825 | }}; |
| 826 | List<Future<?>> blockers = new ArrayList<>(); |
| 827 | List<Future<?>> periodics = new ArrayList<>(); |
| 828 | List<Future<?>> delayeds = new ArrayList<>(); |
| 829 | for (int i = 0; i < poolSize; i++) |
| 830 | blockers.add(p.submit(task)); |
| 831 | assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
| 832 | |
| 833 | periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
| 834 | 1, 1, MILLISECONDS)); |
| 835 | periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
| 836 | 1, 1, MILLISECONDS)); |
| 837 | delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
| 838 | |
| 839 | assertTrue(p.getQueue().containsAll(periodics)); |
| 840 | assertTrue(p.getQueue().containsAll(delayeds)); |
| 841 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 842 | assertTrue(p.isShutdown()); |
| 843 | assertFalse(p.isTerminated()); |
| 844 | for (Future<?> periodic : periodics) { |
| 845 | assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
| 846 | assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
| 847 | } |
| 848 | for (Future<?> delayed : delayeds) { |
| 849 | assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
| 850 | assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
| 851 | } |
| 852 | if (testImplementationDetails) { |
| 853 | assertEquals(effectivePeriodicPolicy, |
| 854 | p.getQueue().containsAll(periodics)); |
| 855 | assertEquals(effectiveDelayedPolicy, |
| 856 | p.getQueue().containsAll(delayeds)); |
| 857 | } |
| 858 | // Release all pool threads |
| 859 | unblock.countDown(); |
| 860 | |
| 861 | for (Future<?> delayed : delayeds) { |
| 862 | if (effectiveDelayedPolicy) { |
| 863 | assertNull(delayed.get()); |
| 864 | } |
| 865 | } |
| 866 | if (effectivePeriodicPolicy) { |
| 867 | assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
| 868 | assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
| 869 | for (Future<?> periodic : periodics) { |
| 870 | assertTrue(periodic.cancel(false)); |
| 871 | assertTrue(periodic.isCancelled()); |
| 872 | assertTrue(periodic.isDone()); |
| 873 | } |
| 874 | } |
| 875 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 876 | assertTrue(p.isTerminated()); |
| 877 | assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
| 878 | }} |
| 879 | |
| 880 | /** |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 881 | * completed submit of callable returns result |
| 882 | */ |
| 883 | public void testSubmitCallable() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 884 | final ExecutorService e = new CustomExecutor(2); |
| 885 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 886 | Future<String> future = e.submit(new StringTask()); |
| 887 | String result = future.get(); |
| 888 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 889 | } |
| 890 | } |
| 891 | |
| 892 | /** |
| 893 | * completed submit of runnable returns successfully |
| 894 | */ |
| 895 | public void testSubmitRunnable() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 896 | final ExecutorService e = new CustomExecutor(2); |
| 897 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 898 | Future<?> future = e.submit(new NoOpRunnable()); |
| 899 | future.get(); |
| 900 | assertTrue(future.isDone()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 901 | } |
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * completed submit of (runnable, result) returns result |
| 906 | */ |
| 907 | public void testSubmitRunnable2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 908 | final ExecutorService e = new CustomExecutor(2); |
| 909 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 910 | Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 911 | String result = future.get(); |
| 912 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 913 | } |
| 914 | } |
| 915 | |
| 916 | /** |
| 917 | * invokeAny(null) throws NPE |
| 918 | */ |
| 919 | public void testInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 920 | final ExecutorService e = new CustomExecutor(2); |
| 921 | try (PoolCleaner cleaner = cleaner(e)) { |
| 922 | try { |
| 923 | e.invokeAny(null); |
| 924 | shouldThrow(); |
| 925 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | |
| 929 | /** |
| 930 | * invokeAny(empty collection) throws IAE |
| 931 | */ |
| 932 | public void testInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 933 | final ExecutorService e = new CustomExecutor(2); |
| 934 | try (PoolCleaner cleaner = cleaner(e)) { |
| 935 | try { |
| 936 | e.invokeAny(new ArrayList<Callable<String>>()); |
| 937 | shouldThrow(); |
| 938 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 939 | } |
| 940 | } |
| 941 | |
| 942 | /** |
| 943 | * invokeAny(c) throws NPE if c has null elements |
| 944 | */ |
| 945 | public void testInvokeAny3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 946 | final CountDownLatch latch = new CountDownLatch(1); |
| 947 | final ExecutorService e = new CustomExecutor(2); |
| 948 | try (PoolCleaner cleaner = cleaner(e)) { |
| 949 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 950 | l.add(latchAwaitingStringTask(latch)); |
| 951 | l.add(null); |
| 952 | try { |
| 953 | e.invokeAny(l); |
| 954 | shouldThrow(); |
| 955 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 956 | latch.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 957 | } |
| 958 | } |
| 959 | |
| 960 | /** |
| 961 | * invokeAny(c) throws ExecutionException if no task completes |
| 962 | */ |
| 963 | public void testInvokeAny4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 964 | final ExecutorService e = new CustomExecutor(2); |
| 965 | try (PoolCleaner cleaner = cleaner(e)) { |
| 966 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 967 | l.add(new NPETask()); |
| 968 | try { |
| 969 | e.invokeAny(l); |
| 970 | shouldThrow(); |
| 971 | } catch (ExecutionException success) { |
| 972 | assertTrue(success.getCause() instanceof NullPointerException); |
| 973 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 974 | } |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * invokeAny(c) returns result of some task |
| 979 | */ |
| 980 | public void testInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 981 | final ExecutorService e = new CustomExecutor(2); |
| 982 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 983 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 984 | l.add(new StringTask()); |
| 985 | l.add(new StringTask()); |
| 986 | String result = e.invokeAny(l); |
| 987 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 988 | } |
| 989 | } |
| 990 | |
| 991 | /** |
| 992 | * invokeAll(null) throws NPE |
| 993 | */ |
| 994 | public void testInvokeAll1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 995 | final ExecutorService e = new CustomExecutor(2); |
| 996 | try (PoolCleaner cleaner = cleaner(e)) { |
| 997 | try { |
| 998 | e.invokeAll(null); |
| 999 | shouldThrow(); |
| 1000 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | /** |
| 1005 | * invokeAll(empty collection) returns empty collection |
| 1006 | */ |
| 1007 | public void testInvokeAll2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1008 | final ExecutorService e = new CustomExecutor(2); |
| 1009 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1010 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
| 1011 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | /** |
| 1016 | * invokeAll(c) throws NPE if c has null elements |
| 1017 | */ |
| 1018 | public void testInvokeAll3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1019 | final ExecutorService e = new CustomExecutor(2); |
| 1020 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1021 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1022 | l.add(new StringTask()); |
| 1023 | l.add(null); |
| 1024 | try { |
| 1025 | e.invokeAll(l); |
| 1026 | shouldThrow(); |
| 1027 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | /** |
| 1032 | * get of invokeAll(c) throws exception on failed task |
| 1033 | */ |
| 1034 | public void testInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1035 | final ExecutorService e = new CustomExecutor(2); |
| 1036 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1037 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1038 | l.add(new NPETask()); |
| 1039 | List<Future<String>> futures = e.invokeAll(l); |
| 1040 | assertEquals(1, futures.size()); |
| 1041 | try { |
| 1042 | futures.get(0).get(); |
| 1043 | shouldThrow(); |
| 1044 | } catch (ExecutionException success) { |
| 1045 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1046 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | /** |
| 1051 | * invokeAll(c) returns results of all completed tasks |
| 1052 | */ |
| 1053 | public void testInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1054 | final ExecutorService e = new CustomExecutor(2); |
| 1055 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1056 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1057 | l.add(new StringTask()); |
| 1058 | l.add(new StringTask()); |
| 1059 | List<Future<String>> futures = e.invokeAll(l); |
| 1060 | assertEquals(2, futures.size()); |
| 1061 | for (Future<String> future : futures) |
| 1062 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | /** |
| 1067 | * timed invokeAny(null) throws NPE |
| 1068 | */ |
| 1069 | public void testTimedInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1070 | final ExecutorService e = new CustomExecutor(2); |
| 1071 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1072 | try { |
| 1073 | e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1074 | shouldThrow(); |
| 1075 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | /** |
| 1080 | * timed invokeAny(,,null) throws NPE |
| 1081 | */ |
| 1082 | public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1083 | final ExecutorService e = new CustomExecutor(2); |
| 1084 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1085 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1086 | l.add(new StringTask()); |
| 1087 | try { |
| 1088 | e.invokeAny(l, MEDIUM_DELAY_MS, null); |
| 1089 | shouldThrow(); |
| 1090 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * timed invokeAny(empty collection) throws IAE |
| 1096 | */ |
| 1097 | public void testTimedInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1098 | final ExecutorService e = new CustomExecutor(2); |
| 1099 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1100 | try { |
| 1101 | e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 1102 | shouldThrow(); |
| 1103 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | /** |
| 1108 | * timed invokeAny(c) throws NPE if c has null elements |
| 1109 | */ |
| 1110 | public void testTimedInvokeAny3() throws Exception { |
| 1111 | CountDownLatch latch = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1112 | final ExecutorService e = new CustomExecutor(2); |
| 1113 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1114 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1115 | l.add(latchAwaitingStringTask(latch)); |
| 1116 | l.add(null); |
| 1117 | try { |
| 1118 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1119 | shouldThrow(); |
| 1120 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1121 | latch.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | /** |
| 1126 | * timed invokeAny(c) throws ExecutionException if no task completes |
| 1127 | */ |
| 1128 | public void testTimedInvokeAny4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1129 | final ExecutorService e = new CustomExecutor(2); |
| 1130 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1131 | long startTime = System.nanoTime(); |
| 1132 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1133 | l.add(new NPETask()); |
| 1134 | try { |
| 1135 | e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
| 1136 | shouldThrow(); |
| 1137 | } catch (ExecutionException success) { |
| 1138 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1139 | } |
| 1140 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | /** |
| 1145 | * timed invokeAny(c) returns result of some task |
| 1146 | */ |
| 1147 | public void testTimedInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1148 | final ExecutorService e = new CustomExecutor(2); |
| 1149 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1150 | long startTime = System.nanoTime(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1151 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1152 | l.add(new StringTask()); |
| 1153 | l.add(new StringTask()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1154 | String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1155 | assertSame(TEST_STRING, result); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1156 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | /** |
| 1161 | * timed invokeAll(null) throws NPE |
| 1162 | */ |
| 1163 | public void testTimedInvokeAll1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1164 | final ExecutorService e = new CustomExecutor(2); |
| 1165 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1166 | try { |
| 1167 | e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1168 | shouldThrow(); |
| 1169 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | /** |
| 1174 | * timed invokeAll(,,null) throws NPE |
| 1175 | */ |
| 1176 | public void testTimedInvokeAllNullTimeUnit() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1177 | final ExecutorService e = new CustomExecutor(2); |
| 1178 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1179 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1180 | l.add(new StringTask()); |
| 1181 | try { |
| 1182 | e.invokeAll(l, MEDIUM_DELAY_MS, null); |
| 1183 | shouldThrow(); |
| 1184 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | /** |
| 1189 | * timed invokeAll(empty collection) returns empty collection |
| 1190 | */ |
| 1191 | public void testTimedInvokeAll2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1192 | final ExecutorService e = new CustomExecutor(2); |
| 1193 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1194 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 1195 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | /** |
| 1200 | * timed invokeAll(c) throws NPE if c has null elements |
| 1201 | */ |
| 1202 | public void testTimedInvokeAll3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1203 | final ExecutorService e = new CustomExecutor(2); |
| 1204 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1205 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1206 | l.add(new StringTask()); |
| 1207 | l.add(null); |
| 1208 | try { |
| 1209 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1210 | shouldThrow(); |
| 1211 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | /** |
| 1216 | * get of element of invokeAll(c) throws exception on failed task |
| 1217 | */ |
| 1218 | public void testTimedInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1219 | final ExecutorService e = new CustomExecutor(2); |
| 1220 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1221 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1222 | l.add(new NPETask()); |
| 1223 | List<Future<String>> futures = |
| 1224 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1225 | assertEquals(1, futures.size()); |
| 1226 | try { |
| 1227 | futures.get(0).get(); |
| 1228 | shouldThrow(); |
| 1229 | } catch (ExecutionException success) { |
| 1230 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1231 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1232 | } |
| 1233 | } |
| 1234 | |
| 1235 | /** |
| 1236 | * timed invokeAll(c) returns results of all completed tasks |
| 1237 | */ |
| 1238 | public void testTimedInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1239 | final ExecutorService e = new CustomExecutor(2); |
| 1240 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1241 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1242 | l.add(new StringTask()); |
| 1243 | l.add(new StringTask()); |
| 1244 | List<Future<String>> futures = |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1245 | e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1246 | assertEquals(2, futures.size()); |
| 1247 | for (Future<String> future : futures) |
| 1248 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | /** |
| 1253 | * timed invokeAll(c) cancels tasks not completed by timeout |
| 1254 | */ |
| 1255 | public void testTimedInvokeAll6() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1256 | for (long timeout = timeoutMillis();;) { |
| 1257 | final CountDownLatch done = new CountDownLatch(1); |
| 1258 | final Callable<String> waiter = new CheckedCallable<String>() { |
| 1259 | public String realCall() { |
| 1260 | try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
| 1261 | catch (InterruptedException ok) {} |
| 1262 | return "1"; }}; |
| 1263 | final ExecutorService p = new CustomExecutor(2); |
| 1264 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 1265 | List<Callable<String>> tasks = new ArrayList<>(); |
| 1266 | tasks.add(new StringTask("0")); |
| 1267 | tasks.add(waiter); |
| 1268 | tasks.add(new StringTask("2")); |
| 1269 | long startTime = System.nanoTime(); |
| 1270 | List<Future<String>> futures = |
| 1271 | p.invokeAll(tasks, timeout, MILLISECONDS); |
| 1272 | assertEquals(tasks.size(), futures.size()); |
| 1273 | assertTrue(millisElapsedSince(startTime) >= timeout); |
| 1274 | for (Future future : futures) |
| 1275 | assertTrue(future.isDone()); |
| 1276 | assertTrue(futures.get(1).isCancelled()); |
| 1277 | try { |
| 1278 | assertEquals("0", futures.get(0).get()); |
| 1279 | assertEquals("2", futures.get(2).get()); |
| 1280 | break; |
| 1281 | } catch (CancellationException retryWithLongerTimeout) { |
| 1282 | timeout *= 2; |
| 1283 | if (timeout >= LONG_DELAY_MS / 2) |
| 1284 | fail("expected exactly one task to be cancelled"); |
| 1285 | } |
| 1286 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1287 | } |
| 1288 | } |
| 1289 | |
| 1290 | } |