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; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 12 | import static java.util.concurrent.TimeUnit.NANOSECONDS; |
| 13 | import static java.util.concurrent.TimeUnit.SECONDS; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 14 | |
| 15 | import java.util.ArrayList; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 16 | import java.util.HashSet; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 17 | import java.util.List; |
| 18 | import java.util.concurrent.BlockingQueue; |
| 19 | import java.util.concurrent.Callable; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 20 | import java.util.concurrent.CancellationException; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 21 | import java.util.concurrent.CountDownLatch; |
| 22 | import java.util.concurrent.ExecutionException; |
| 23 | import java.util.concurrent.Executors; |
| 24 | import java.util.concurrent.ExecutorService; |
| 25 | import java.util.concurrent.Future; |
| 26 | import java.util.concurrent.RejectedExecutionException; |
| 27 | import java.util.concurrent.ScheduledFuture; |
| 28 | import java.util.concurrent.ScheduledThreadPoolExecutor; |
| 29 | import java.util.concurrent.ThreadFactory; |
| 30 | import java.util.concurrent.ThreadPoolExecutor; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 31 | import java.util.concurrent.atomic.AtomicBoolean; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 32 | import java.util.concurrent.atomic.AtomicInteger; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 33 | import java.util.concurrent.atomic.AtomicLong; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 34 | |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 35 | import junit.framework.Test; |
| 36 | import junit.framework.TestSuite; |
| 37 | |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 38 | public class ScheduledExecutorTest extends JSR166TestCase { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 39 | // android-note: Removed because the CTS runner does a bad job of |
| 40 | // retrying tests that have suite() declarations. |
| 41 | // |
| 42 | // public static void main(String[] args) { |
| 43 | // main(suite(), args); |
| 44 | // } |
| 45 | // public static Test suite() { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 46 | // return new TestSuite(ScheduledExecutorTest.class); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 47 | // } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 48 | |
| 49 | /** |
| 50 | * execute successfully executes a runnable |
| 51 | */ |
| 52 | public void testExecute() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 53 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 54 | try (PoolCleaner cleaner = cleaner(p)) { |
| 55 | final CountDownLatch done = new CountDownLatch(1); |
| 56 | final Runnable task = new CheckedRunnable() { |
| 57 | public void realRun() { done.countDown(); }}; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 58 | p.execute(task); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 59 | assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 60 | } |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * delayed schedule of callable successfully executes after delay |
| 65 | */ |
| 66 | public void testSchedule1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 67 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 68 | try (PoolCleaner cleaner = cleaner(p)) { |
| 69 | final long startTime = System.nanoTime(); |
| 70 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 71 | Callable task = new CheckedCallable<Boolean>() { |
| 72 | public Boolean realCall() { |
| 73 | done.countDown(); |
| 74 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 75 | return Boolean.TRUE; |
| 76 | }}; |
| 77 | Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
| 78 | assertSame(Boolean.TRUE, f.get()); |
| 79 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 80 | assertTrue(done.await(0L, MILLISECONDS)); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 81 | } |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * delayed schedule of runnable successfully executes after delay |
| 86 | */ |
| 87 | public void testSchedule3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 88 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 89 | try (PoolCleaner cleaner = cleaner(p)) { |
| 90 | final long startTime = System.nanoTime(); |
| 91 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 92 | Runnable task = new CheckedRunnable() { |
| 93 | public void realRun() { |
| 94 | done.countDown(); |
| 95 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 96 | }}; |
| 97 | Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
| 98 | await(done); |
| 99 | assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
| 100 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 101 | } |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * scheduleAtFixedRate executes runnable after given initial delay |
| 106 | */ |
| 107 | public void testSchedule4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 108 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 109 | try (PoolCleaner cleaner = cleaner(p)) { |
| 110 | final long startTime = System.nanoTime(); |
| 111 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 112 | Runnable task = new CheckedRunnable() { |
| 113 | public void realRun() { |
| 114 | done.countDown(); |
| 115 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 116 | }}; |
| 117 | ScheduledFuture f = |
| 118 | p.scheduleAtFixedRate(task, timeoutMillis(), |
| 119 | LONG_DELAY_MS, MILLISECONDS); |
| 120 | await(done); |
| 121 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 122 | f.cancel(true); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * scheduleWithFixedDelay executes runnable after given initial delay |
| 128 | */ |
| 129 | public void testSchedule5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 130 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 131 | try (PoolCleaner cleaner = cleaner(p)) { |
| 132 | final long startTime = System.nanoTime(); |
| 133 | final CountDownLatch done = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 134 | Runnable task = new CheckedRunnable() { |
| 135 | public void realRun() { |
| 136 | done.countDown(); |
| 137 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 138 | }}; |
| 139 | ScheduledFuture f = |
| 140 | p.scheduleWithFixedDelay(task, timeoutMillis(), |
| 141 | LONG_DELAY_MS, MILLISECONDS); |
| 142 | await(done); |
| 143 | assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 144 | f.cancel(true); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 145 | } |
| 146 | } |
| 147 | |
| 148 | static class RunnableCounter implements Runnable { |
| 149 | AtomicInteger count = new AtomicInteger(0); |
| 150 | public void run() { count.getAndIncrement(); } |
| 151 | } |
| 152 | |
| 153 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 154 | * scheduleAtFixedRate executes series of tasks at given rate. |
| 155 | * Eventually, it must hold that: |
| 156 | * cycles - 1 <= elapsedMillis/delay < cycles |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 157 | */ |
| 158 | public void testFixedRateSequence() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 159 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 160 | try (PoolCleaner cleaner = cleaner(p)) { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 161 | for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 162 | final long startTime = System.nanoTime(); |
| 163 | final int cycles = 8; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 164 | final CountDownLatch done = new CountDownLatch(cycles); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 165 | final Runnable task = new CheckedRunnable() { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 166 | public void realRun() { done.countDown(); }}; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 167 | final ScheduledFuture periodicTask = |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 168 | p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 169 | final int totalDelayMillis = (cycles - 1) * delay; |
| 170 | await(done, totalDelayMillis + LONG_DELAY_MS); |
| 171 | periodicTask.cancel(true); |
| 172 | final long elapsedMillis = millisElapsedSince(startTime); |
| 173 | assertTrue(elapsedMillis >= totalDelayMillis); |
| 174 | if (elapsedMillis <= cycles * delay) |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 175 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 176 | // else retry with longer delay |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 177 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 178 | fail("unexpected execution rate"); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 179 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 183 | * scheduleWithFixedDelay executes series of tasks with given period. |
| 184 | * Eventually, it must hold that each task starts at least delay and at |
| 185 | * most 2 * delay after the termination of the previous task. |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 186 | */ |
| 187 | public void testFixedDelaySequence() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 188 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 189 | try (PoolCleaner cleaner = cleaner(p)) { |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 190 | for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 191 | final long startTime = System.nanoTime(); |
| 192 | final AtomicLong previous = new AtomicLong(startTime); |
| 193 | final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
| 194 | final int cycles = 8; |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 195 | final CountDownLatch done = new CountDownLatch(cycles); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 196 | final int d = delay; |
| 197 | final Runnable task = new CheckedRunnable() { |
| 198 | public void realRun() { |
| 199 | long now = System.nanoTime(); |
| 200 | long elapsedMillis |
| 201 | = NANOSECONDS.toMillis(now - previous.get()); |
| 202 | if (done.getCount() == cycles) { // first execution |
| 203 | if (elapsedMillis >= d) |
| 204 | tryLongerDelay.set(true); |
| 205 | } else { |
| 206 | assertTrue(elapsedMillis >= d); |
| 207 | if (elapsedMillis >= 2 * d) |
| 208 | tryLongerDelay.set(true); |
| 209 | } |
| 210 | previous.set(now); |
| 211 | done.countDown(); |
| 212 | }}; |
| 213 | final ScheduledFuture periodicTask = |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 214 | p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 215 | final int totalDelayMillis = (cycles - 1) * delay; |
| 216 | await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
| 217 | periodicTask.cancel(true); |
| 218 | final long elapsedMillis = millisElapsedSince(startTime); |
| 219 | assertTrue(elapsedMillis >= totalDelayMillis); |
| 220 | if (!tryLongerDelay.get()) |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 221 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 222 | // else retry with longer delay |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 223 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 224 | fail("unexpected execution rate"); |
Narayan Kamath | 8e9a0e9 | 2015-04-28 11:40:00 +0100 | [diff] [blame] | 225 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | /** |
| 229 | * execute(null) throws NPE |
| 230 | */ |
| 231 | public void testExecuteNull() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 232 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 233 | try (PoolCleaner cleaner = cleaner(p)) { |
| 234 | try { |
| 235 | p.execute(null); |
| 236 | shouldThrow(); |
| 237 | } catch (NullPointerException success) {} |
| 238 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | /** |
| 242 | * schedule(null) throws NPE |
| 243 | */ |
| 244 | public void testScheduleNull() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 245 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 246 | try (PoolCleaner cleaner = cleaner(p)) { |
| 247 | try { |
| 248 | TrackedCallable callable = null; |
| 249 | Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
| 250 | shouldThrow(); |
| 251 | } catch (NullPointerException success) {} |
| 252 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | /** |
| 256 | * execute throws RejectedExecutionException if shutdown |
| 257 | */ |
| 258 | public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 259 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 260 | try (PoolCleaner cleaner = cleaner(p)) { |
| 261 | try { |
| 262 | p.shutdown(); |
| 263 | p.schedule(new NoOpRunnable(), |
| 264 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 265 | shouldThrow(); |
| 266 | } catch (RejectedExecutionException success) { |
| 267 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 268 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | /** |
| 272 | * schedule throws RejectedExecutionException if shutdown |
| 273 | */ |
| 274 | public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 275 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 276 | try (PoolCleaner cleaner = cleaner(p)) { |
| 277 | try { |
| 278 | p.shutdown(); |
| 279 | p.schedule(new NoOpCallable(), |
| 280 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 281 | shouldThrow(); |
| 282 | } catch (RejectedExecutionException success) { |
| 283 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 284 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | /** |
| 288 | * schedule callable throws RejectedExecutionException if shutdown |
| 289 | */ |
| 290 | public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 291 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 292 | try (PoolCleaner cleaner = cleaner(p)) { |
| 293 | try { |
| 294 | p.shutdown(); |
| 295 | p.schedule(new NoOpCallable(), |
| 296 | MEDIUM_DELAY_MS, MILLISECONDS); |
| 297 | shouldThrow(); |
| 298 | } catch (RejectedExecutionException success) { |
| 299 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 300 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | /** |
| 304 | * scheduleAtFixedRate throws RejectedExecutionException if shutdown |
| 305 | */ |
| 306 | public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 307 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 308 | try (PoolCleaner cleaner = cleaner(p)) { |
| 309 | try { |
| 310 | p.shutdown(); |
| 311 | p.scheduleAtFixedRate(new NoOpRunnable(), |
| 312 | MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
| 313 | shouldThrow(); |
| 314 | } catch (RejectedExecutionException success) { |
| 315 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 316 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | /** |
| 320 | * scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
| 321 | */ |
| 322 | public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 323 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 324 | try (PoolCleaner cleaner = cleaner(p)) { |
| 325 | try { |
| 326 | p.shutdown(); |
| 327 | p.scheduleWithFixedDelay(new NoOpRunnable(), |
| 328 | MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
| 329 | shouldThrow(); |
| 330 | } catch (RejectedExecutionException success) { |
| 331 | } catch (SecurityException ok) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 332 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | /** |
| 336 | * getActiveCount increases but doesn't overestimate, when a |
| 337 | * thread becomes active |
| 338 | */ |
| 339 | public void testGetActiveCount() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 340 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 341 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
| 342 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 343 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 344 | assertEquals(0, p.getActiveCount()); |
| 345 | p.execute(new CheckedRunnable() { |
| 346 | public void realRun() throws InterruptedException { |
| 347 | threadStarted.countDown(); |
| 348 | assertEquals(1, p.getActiveCount()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 349 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 350 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 351 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 352 | assertEquals(1, p.getActiveCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * getCompletedTaskCount increases, but doesn't overestimate, |
| 358 | * when tasks complete |
| 359 | */ |
| 360 | public void testGetCompletedTaskCount() throws InterruptedException { |
| 361 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 362 | try (PoolCleaner cleaner = cleaner(p)) { |
| 363 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 364 | final CountDownLatch threadProceed = new CountDownLatch(1); |
| 365 | final CountDownLatch threadDone = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 366 | assertEquals(0, p.getCompletedTaskCount()); |
| 367 | p.execute(new CheckedRunnable() { |
| 368 | public void realRun() throws InterruptedException { |
| 369 | threadStarted.countDown(); |
| 370 | assertEquals(0, p.getCompletedTaskCount()); |
| 371 | threadProceed.await(); |
| 372 | threadDone.countDown(); |
| 373 | }}); |
| 374 | await(threadStarted); |
| 375 | assertEquals(0, p.getCompletedTaskCount()); |
| 376 | threadProceed.countDown(); |
| 377 | threadDone.await(); |
| 378 | long startTime = System.nanoTime(); |
| 379 | while (p.getCompletedTaskCount() != 1) { |
| 380 | if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 381 | fail("timed out"); |
| 382 | Thread.yield(); |
| 383 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 384 | } |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * getCorePoolSize returns size given in constructor if not otherwise set |
| 389 | */ |
| 390 | public void testGetCorePoolSize() throws InterruptedException { |
| 391 | ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 392 | try (PoolCleaner cleaner = cleaner(p)) { |
| 393 | assertEquals(1, p.getCorePoolSize()); |
| 394 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | /** |
| 398 | * getLargestPoolSize increases, but doesn't overestimate, when |
| 399 | * multiple threads active |
| 400 | */ |
| 401 | public void testGetLargestPoolSize() throws InterruptedException { |
| 402 | final int THREADS = 3; |
| 403 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
| 404 | final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
| 405 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 406 | try (PoolCleaner cleaner = cleaner(p, done)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 407 | assertEquals(0, p.getLargestPoolSize()); |
| 408 | for (int i = 0; i < THREADS; i++) |
| 409 | p.execute(new CheckedRunnable() { |
| 410 | public void realRun() throws InterruptedException { |
| 411 | threadsStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 412 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 413 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 414 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 415 | await(threadsStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 416 | assertEquals(THREADS, p.getLargestPoolSize()); |
| 417 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 418 | assertEquals(THREADS, p.getLargestPoolSize()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | /** |
| 422 | * getPoolSize increases, but doesn't overestimate, when threads |
| 423 | * become active |
| 424 | */ |
| 425 | public void testGetPoolSize() throws InterruptedException { |
| 426 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 427 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 428 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 429 | try (PoolCleaner cleaner = cleaner(p, done)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 430 | assertEquals(0, p.getPoolSize()); |
| 431 | p.execute(new CheckedRunnable() { |
| 432 | public void realRun() throws InterruptedException { |
| 433 | threadStarted.countDown(); |
| 434 | assertEquals(1, p.getPoolSize()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 435 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 436 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 437 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 438 | assertEquals(1, p.getPoolSize()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 439 | } |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * getTaskCount increases, but doesn't overestimate, when tasks |
| 444 | * submitted |
| 445 | */ |
| 446 | public void testGetTaskCount() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 447 | final int TASKS = 3; |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 448 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 449 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 450 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 451 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 452 | assertEquals(0, p.getTaskCount()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 453 | assertEquals(0, p.getCompletedTaskCount()); |
| 454 | p.execute(new CheckedRunnable() { |
| 455 | public void realRun() throws InterruptedException { |
| 456 | threadStarted.countDown(); |
| 457 | await(done); |
| 458 | }}); |
| 459 | await(threadStarted); |
| 460 | assertEquals(1, p.getTaskCount()); |
| 461 | assertEquals(0, p.getCompletedTaskCount()); |
| 462 | for (int i = 0; i < TASKS; i++) { |
| 463 | assertEquals(1 + i, p.getTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 464 | p.execute(new CheckedRunnable() { |
| 465 | public void realRun() throws InterruptedException { |
| 466 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 467 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 468 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 469 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 470 | } |
| 471 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 472 | assertEquals(0, p.getCompletedTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 473 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 474 | assertEquals(1 + TASKS, p.getTaskCount()); |
| 475 | assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | /** |
| 479 | * getThreadFactory returns factory in constructor if not set |
| 480 | */ |
| 481 | public void testGetThreadFactory() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 482 | final ThreadFactory threadFactory = new SimpleThreadFactory(); |
| 483 | final ScheduledThreadPoolExecutor p = |
| 484 | new ScheduledThreadPoolExecutor(1, threadFactory); |
| 485 | try (PoolCleaner cleaner = cleaner(p)) { |
| 486 | assertSame(threadFactory, p.getThreadFactory()); |
| 487 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | /** |
| 491 | * setThreadFactory sets the thread factory returned by getThreadFactory |
| 492 | */ |
| 493 | public void testSetThreadFactory() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 494 | ThreadFactory threadFactory = new SimpleThreadFactory(); |
| 495 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 496 | try (PoolCleaner cleaner = cleaner(p)) { |
| 497 | p.setThreadFactory(threadFactory); |
| 498 | assertSame(threadFactory, p.getThreadFactory()); |
| 499 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | /** |
| 503 | * setThreadFactory(null) throws NPE |
| 504 | */ |
| 505 | public void testSetThreadFactoryNull() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 506 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 507 | try (PoolCleaner cleaner = cleaner(p)) { |
| 508 | try { |
| 509 | p.setThreadFactory(null); |
| 510 | shouldThrow(); |
| 511 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 512 | } |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * isShutdown is false before shutdown, true after |
| 517 | */ |
| 518 | public void testIsShutdown() { |
| 519 | |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 520 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 521 | try { |
| 522 | assertFalse(p.isShutdown()); |
| 523 | } |
| 524 | finally { |
| 525 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 526 | } |
| 527 | assertTrue(p.isShutdown()); |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * isTerminated is false before termination, true after |
| 532 | */ |
| 533 | public void testIsTerminated() throws InterruptedException { |
| 534 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 535 | try (PoolCleaner cleaner = cleaner(p)) { |
| 536 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 537 | final CountDownLatch done = new CountDownLatch(1); |
| 538 | assertFalse(p.isTerminated()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 539 | p.execute(new CheckedRunnable() { |
| 540 | public void realRun() throws InterruptedException { |
| 541 | assertFalse(p.isTerminated()); |
| 542 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 543 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 544 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 545 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 546 | assertFalse(p.isTerminating()); |
| 547 | done.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 548 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 549 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 550 | assertTrue(p.isTerminated()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 551 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | /** |
| 555 | * isTerminating is not true when running or when terminated |
| 556 | */ |
| 557 | public void testIsTerminating() throws InterruptedException { |
| 558 | final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 559 | final CountDownLatch threadStarted = new CountDownLatch(1); |
| 560 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 561 | try (PoolCleaner cleaner = cleaner(p)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 562 | assertFalse(p.isTerminating()); |
| 563 | p.execute(new CheckedRunnable() { |
| 564 | public void realRun() throws InterruptedException { |
| 565 | assertFalse(p.isTerminating()); |
| 566 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 567 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 568 | }}); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 569 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 570 | assertFalse(p.isTerminating()); |
| 571 | done.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 572 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 573 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 574 | assertTrue(p.isTerminated()); |
| 575 | assertFalse(p.isTerminating()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 576 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 577 | } |
| 578 | |
| 579 | /** |
| 580 | * getQueue returns the work queue, which contains queued tasks |
| 581 | */ |
| 582 | public void testGetQueue() throws InterruptedException { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 583 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 584 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 585 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 586 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 587 | ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 588 | for (int i = 0; i < tasks.length; i++) { |
| 589 | Runnable r = new CheckedRunnable() { |
| 590 | public void realRun() throws InterruptedException { |
| 591 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 592 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 593 | }}; |
| 594 | tasks[i] = p.schedule(r, 1, MILLISECONDS); |
| 595 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 596 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 597 | BlockingQueue<Runnable> q = p.getQueue(); |
| 598 | assertTrue(q.contains(tasks[tasks.length - 1])); |
| 599 | assertFalse(q.contains(tasks[0])); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 600 | } |
| 601 | } |
| 602 | |
| 603 | /** |
| 604 | * remove(task) removes queued task, and fails to remove active task |
| 605 | */ |
| 606 | public void testRemove() throws InterruptedException { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 607 | final CountDownLatch done = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 608 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 609 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 610 | ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 611 | final CountDownLatch threadStarted = new CountDownLatch(1); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 612 | for (int i = 0; i < tasks.length; i++) { |
| 613 | Runnable r = new CheckedRunnable() { |
| 614 | public void realRun() throws InterruptedException { |
| 615 | threadStarted.countDown(); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 616 | await(done); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 617 | }}; |
| 618 | tasks[i] = p.schedule(r, 1, MILLISECONDS); |
| 619 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 620 | await(threadStarted); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 621 | BlockingQueue<Runnable> q = p.getQueue(); |
| 622 | assertFalse(p.remove((Runnable)tasks[0])); |
| 623 | assertTrue(q.contains((Runnable)tasks[4])); |
| 624 | assertTrue(q.contains((Runnable)tasks[3])); |
| 625 | assertTrue(p.remove((Runnable)tasks[4])); |
| 626 | assertFalse(p.remove((Runnable)tasks[4])); |
| 627 | assertFalse(q.contains((Runnable)tasks[4])); |
| 628 | assertTrue(q.contains((Runnable)tasks[3])); |
| 629 | assertTrue(p.remove((Runnable)tasks[3])); |
| 630 | assertFalse(q.contains((Runnable)tasks[3])); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 631 | } |
| 632 | } |
| 633 | |
| 634 | /** |
| 635 | * purge eventually removes cancelled tasks from the queue |
| 636 | */ |
| 637 | public void testPurge() throws InterruptedException { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 638 | final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
| 639 | final Runnable releaser = new Runnable() { public void run() { |
| 640 | for (ScheduledFuture task : tasks) |
| 641 | if (task != null) task.cancel(true); }}; |
| 642 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 643 | try (PoolCleaner cleaner = cleaner(p, releaser)) { |
| 644 | for (int i = 0; i < tasks.length; i++) |
| 645 | tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
| 646 | LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 647 | int max = tasks.length; |
| 648 | if (tasks[4].cancel(true)) --max; |
| 649 | if (tasks[3].cancel(true)) --max; |
| 650 | // There must eventually be an interference-free point at |
| 651 | // which purge will not fail. (At worst, when queue is empty.) |
| 652 | long startTime = System.nanoTime(); |
| 653 | do { |
| 654 | p.purge(); |
| 655 | long count = p.getTaskCount(); |
| 656 | if (count == max) |
| 657 | return; |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 658 | } while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 659 | fail("Purge failed to remove cancelled tasks"); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 660 | } |
| 661 | } |
| 662 | |
| 663 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 664 | * shutdownNow returns a list containing tasks that were not run, |
| 665 | * and those tasks are drained from the queue |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 666 | */ |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 667 | public void testShutdownNow() throws InterruptedException { |
| 668 | final int poolSize = 2; |
| 669 | final int count = 5; |
| 670 | final AtomicInteger ran = new AtomicInteger(0); |
| 671 | final ScheduledThreadPoolExecutor p = |
| 672 | new ScheduledThreadPoolExecutor(poolSize); |
| 673 | final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
| 674 | Runnable waiter = new CheckedRunnable() { public void realRun() { |
| 675 | threadsStarted.countDown(); |
| 676 | try { |
| 677 | MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
| 678 | } catch (InterruptedException success) {} |
| 679 | ran.getAndIncrement(); |
| 680 | }}; |
| 681 | for (int i = 0; i < count; i++) |
| 682 | p.execute(waiter); |
| 683 | await(threadsStarted); |
| 684 | assertEquals(poolSize, p.getActiveCount()); |
| 685 | assertEquals(0, p.getCompletedTaskCount()); |
| 686 | final List<Runnable> queuedTasks; |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 687 | try { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 688 | queuedTasks = p.shutdownNow(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 689 | } catch (SecurityException ok) { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 690 | return; // Allowed in case test doesn't have privs |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 691 | } |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 692 | assertTrue(p.isShutdown()); |
| 693 | assertTrue(p.getQueue().isEmpty()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 694 | assertEquals(count - poolSize, queuedTasks.size()); |
| 695 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 696 | assertTrue(p.isTerminated()); |
| 697 | assertEquals(poolSize, ran.get()); |
| 698 | assertEquals(poolSize, p.getCompletedTaskCount()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 702 | * shutdownNow returns a list containing tasks that were not run, |
| 703 | * and those tasks are drained from the queue |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 704 | */ |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 705 | public void testShutdownNow_delayedTasks() throws InterruptedException { |
| 706 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 707 | List<ScheduledFuture> tasks = new ArrayList<>(); |
| 708 | for (int i = 0; i < 3; i++) { |
| 709 | Runnable r = new NoOpRunnable(); |
| 710 | tasks.add(p.schedule(r, 9, SECONDS)); |
| 711 | tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
| 712 | tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
| 713 | } |
| 714 | if (testImplementationDetails) |
| 715 | assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
| 716 | final List<Runnable> queuedTasks; |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 717 | try { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 718 | queuedTasks = p.shutdownNow(); |
| 719 | } catch (SecurityException ok) { |
| 720 | return; // Allowed in case test doesn't have privs |
| 721 | } |
| 722 | assertTrue(p.isShutdown()); |
| 723 | assertTrue(p.getQueue().isEmpty()); |
| 724 | if (testImplementationDetails) |
| 725 | assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
| 726 | assertEquals(tasks.size(), queuedTasks.size()); |
| 727 | for (ScheduledFuture task : tasks) { |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 728 | assertFalse(task.isDone()); |
| 729 | assertFalse(task.isCancelled()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 730 | } |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 731 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 732 | assertTrue(p.isTerminated()); |
Przemyslaw Szczepaniak | ed4f365 | 2016-03-15 09:42:19 +0000 | [diff] [blame] | 733 | } |
Przemyslaw Szczepaniak | 5328e07 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 734 | |
| 735 | /** |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 736 | * By default, periodic tasks are cancelled at shutdown. |
| 737 | * By default, delayed tasks keep running after shutdown. |
| 738 | * Check that changing the default values work: |
| 739 | * - setExecuteExistingDelayedTasksAfterShutdownPolicy |
| 740 | * - setContinueExistingPeriodicTasksAfterShutdownPolicy |
| 741 | */ |
| 742 | public void testShutdown_cancellation() throws Exception { |
| 743 | Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
| 744 | for (Boolean policy : allBooleans) |
| 745 | { |
| 746 | final int poolSize = 2; |
| 747 | final ScheduledThreadPoolExecutor p |
| 748 | = new ScheduledThreadPoolExecutor(poolSize); |
| 749 | final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
| 750 | final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
| 751 | final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
| 752 | if (policy != null) { |
| 753 | p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
| 754 | p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
| 755 | p.setRemoveOnCancelPolicy(policy); |
| 756 | } |
| 757 | assertEquals(effectiveDelayedPolicy, |
| 758 | p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
| 759 | assertEquals(effectivePeriodicPolicy, |
| 760 | p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
| 761 | assertEquals(effectiveRemovePolicy, |
| 762 | p.getRemoveOnCancelPolicy()); |
| 763 | // Strategy: Wedge the pool with poolSize "blocker" threads |
| 764 | final AtomicInteger ran = new AtomicInteger(0); |
| 765 | final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
| 766 | final CountDownLatch unblock = new CountDownLatch(1); |
| 767 | final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
| 768 | final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
| 769 | Runnable task = new CheckedRunnable() { public void realRun() |
| 770 | throws InterruptedException { |
| 771 | poolBlocked.countDown(); |
| 772 | assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
| 773 | ran.getAndIncrement(); |
| 774 | }}; |
| 775 | List<Future<?>> blockers = new ArrayList<>(); |
| 776 | List<Future<?>> periodics = new ArrayList<>(); |
| 777 | List<Future<?>> delayeds = new ArrayList<>(); |
| 778 | for (int i = 0; i < poolSize; i++) |
| 779 | blockers.add(p.submit(task)); |
| 780 | assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
| 781 | |
| 782 | periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
| 783 | 1, 1, MILLISECONDS)); |
| 784 | periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
| 785 | 1, 1, MILLISECONDS)); |
| 786 | delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
| 787 | |
| 788 | assertTrue(p.getQueue().containsAll(periodics)); |
| 789 | assertTrue(p.getQueue().containsAll(delayeds)); |
| 790 | try { p.shutdown(); } catch (SecurityException ok) { return; } |
| 791 | assertTrue(p.isShutdown()); |
| 792 | assertFalse(p.isTerminated()); |
| 793 | for (Future<?> periodic : periodics) { |
| 794 | assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
| 795 | assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
| 796 | } |
| 797 | for (Future<?> delayed : delayeds) { |
| 798 | assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
| 799 | assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
| 800 | } |
| 801 | if (testImplementationDetails) { |
| 802 | assertEquals(effectivePeriodicPolicy, |
| 803 | p.getQueue().containsAll(periodics)); |
| 804 | assertEquals(effectiveDelayedPolicy, |
| 805 | p.getQueue().containsAll(delayeds)); |
| 806 | } |
| 807 | // Release all pool threads |
| 808 | unblock.countDown(); |
| 809 | |
| 810 | for (Future<?> delayed : delayeds) { |
| 811 | if (effectiveDelayedPolicy) { |
| 812 | assertNull(delayed.get()); |
| 813 | } |
| 814 | } |
| 815 | if (effectivePeriodicPolicy) { |
| 816 | assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
| 817 | assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
| 818 | for (Future<?> periodic : periodics) { |
| 819 | assertTrue(periodic.cancel(false)); |
| 820 | assertTrue(periodic.isCancelled()); |
| 821 | assertTrue(periodic.isDone()); |
| 822 | } |
| 823 | } |
| 824 | assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
| 825 | assertTrue(p.isTerminated()); |
| 826 | assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
| 827 | }} |
| 828 | |
| 829 | /** |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 830 | * completed submit of callable returns result |
| 831 | */ |
| 832 | public void testSubmitCallable() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 833 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 834 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 835 | Future<String> future = e.submit(new StringTask()); |
| 836 | String result = future.get(); |
| 837 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 838 | } |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * completed submit of runnable returns successfully |
| 843 | */ |
| 844 | public void testSubmitRunnable() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 845 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 846 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 847 | Future<?> future = e.submit(new NoOpRunnable()); |
| 848 | future.get(); |
| 849 | assertTrue(future.isDone()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 850 | } |
| 851 | } |
| 852 | |
| 853 | /** |
| 854 | * completed submit of (runnable, result) returns result |
| 855 | */ |
| 856 | public void testSubmitRunnable2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 857 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 858 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 859 | Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
| 860 | String result = future.get(); |
| 861 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 862 | } |
| 863 | } |
| 864 | |
| 865 | /** |
| 866 | * invokeAny(null) throws NPE |
| 867 | */ |
| 868 | public void testInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 869 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 870 | try (PoolCleaner cleaner = cleaner(e)) { |
| 871 | try { |
| 872 | e.invokeAny(null); |
| 873 | shouldThrow(); |
| 874 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 875 | } |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * invokeAny(empty collection) throws IAE |
| 880 | */ |
| 881 | public void testInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 882 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 883 | try (PoolCleaner cleaner = cleaner(e)) { |
| 884 | try { |
| 885 | e.invokeAny(new ArrayList<Callable<String>>()); |
| 886 | shouldThrow(); |
| 887 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 888 | } |
| 889 | } |
| 890 | |
| 891 | /** |
| 892 | * invokeAny(c) throws NPE if c has null elements |
| 893 | */ |
| 894 | public void testInvokeAny3() throws Exception { |
| 895 | CountDownLatch latch = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 896 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 897 | try (PoolCleaner cleaner = cleaner(e)) { |
| 898 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 899 | l.add(latchAwaitingStringTask(latch)); |
| 900 | l.add(null); |
| 901 | try { |
| 902 | e.invokeAny(l); |
| 903 | shouldThrow(); |
| 904 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 905 | latch.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 906 | } |
| 907 | } |
| 908 | |
| 909 | /** |
| 910 | * invokeAny(c) throws ExecutionException if no task completes |
| 911 | */ |
| 912 | public void testInvokeAny4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 913 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 914 | try (PoolCleaner cleaner = cleaner(e)) { |
| 915 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 916 | l.add(new NPETask()); |
| 917 | try { |
| 918 | e.invokeAny(l); |
| 919 | shouldThrow(); |
| 920 | } catch (ExecutionException success) { |
| 921 | assertTrue(success.getCause() instanceof NullPointerException); |
| 922 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 923 | } |
| 924 | } |
| 925 | |
| 926 | /** |
| 927 | * invokeAny(c) returns result of some task |
| 928 | */ |
| 929 | public void testInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 930 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 931 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 932 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 933 | l.add(new StringTask()); |
| 934 | l.add(new StringTask()); |
| 935 | String result = e.invokeAny(l); |
| 936 | assertSame(TEST_STRING, result); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 937 | } |
| 938 | } |
| 939 | |
| 940 | /** |
| 941 | * invokeAll(null) throws NPE |
| 942 | */ |
| 943 | public void testInvokeAll1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 944 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 945 | try (PoolCleaner cleaner = cleaner(e)) { |
| 946 | try { |
| 947 | e.invokeAll(null); |
| 948 | shouldThrow(); |
| 949 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 950 | } |
| 951 | } |
| 952 | |
| 953 | /** |
| 954 | * invokeAll(empty collection) returns empty collection |
| 955 | */ |
| 956 | public void testInvokeAll2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 957 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 958 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 959 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
| 960 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 961 | } |
| 962 | } |
| 963 | |
| 964 | /** |
| 965 | * invokeAll(c) throws NPE if c has null elements |
| 966 | */ |
| 967 | public void testInvokeAll3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 968 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 969 | try (PoolCleaner cleaner = cleaner(e)) { |
| 970 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 971 | l.add(new StringTask()); |
| 972 | l.add(null); |
| 973 | try { |
| 974 | e.invokeAll(l); |
| 975 | shouldThrow(); |
| 976 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 977 | } |
| 978 | } |
| 979 | |
| 980 | /** |
| 981 | * get of invokeAll(c) throws exception on failed task |
| 982 | */ |
| 983 | public void testInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 984 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 985 | try (PoolCleaner cleaner = cleaner(e)) { |
| 986 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 987 | l.add(new NPETask()); |
| 988 | List<Future<String>> futures = e.invokeAll(l); |
| 989 | assertEquals(1, futures.size()); |
| 990 | try { |
| 991 | futures.get(0).get(); |
| 992 | shouldThrow(); |
| 993 | } catch (ExecutionException success) { |
| 994 | assertTrue(success.getCause() instanceof NullPointerException); |
| 995 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 996 | } |
| 997 | } |
| 998 | |
| 999 | /** |
| 1000 | * invokeAll(c) returns results of all completed tasks |
| 1001 | */ |
| 1002 | public void testInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1003 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1004 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1005 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1006 | l.add(new StringTask()); |
| 1007 | l.add(new StringTask()); |
| 1008 | List<Future<String>> futures = e.invokeAll(l); |
| 1009 | assertEquals(2, futures.size()); |
| 1010 | for (Future<String> future : futures) |
| 1011 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | /** |
| 1016 | * timed invokeAny(null) throws NPE |
| 1017 | */ |
| 1018 | public void testTimedInvokeAny1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1019 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1020 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1021 | try { |
| 1022 | e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1023 | shouldThrow(); |
| 1024 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | /** |
| 1029 | * timed invokeAny(,,null) throws NPE |
| 1030 | */ |
| 1031 | public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1032 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1033 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1034 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1035 | l.add(new StringTask()); |
| 1036 | try { |
| 1037 | e.invokeAny(l, MEDIUM_DELAY_MS, null); |
| 1038 | shouldThrow(); |
| 1039 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | /** |
| 1044 | * timed invokeAny(empty collection) throws IAE |
| 1045 | */ |
| 1046 | public void testTimedInvokeAny2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1047 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1048 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1049 | try { |
| 1050 | e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
| 1051 | shouldThrow(); |
| 1052 | } catch (IllegalArgumentException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | /** |
| 1057 | * timed invokeAny(c) throws NPE if c has null elements |
| 1058 | */ |
| 1059 | public void testTimedInvokeAny3() throws Exception { |
| 1060 | CountDownLatch latch = new CountDownLatch(1); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1061 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1062 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1063 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1064 | l.add(latchAwaitingStringTask(latch)); |
| 1065 | l.add(null); |
| 1066 | try { |
| 1067 | e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1068 | shouldThrow(); |
| 1069 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1070 | latch.countDown(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | /** |
| 1075 | * timed invokeAny(c) throws ExecutionException if no task completes |
| 1076 | */ |
| 1077 | public void testTimedInvokeAny4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1078 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1079 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1080 | long startTime = System.nanoTime(); |
| 1081 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1082 | l.add(new NPETask()); |
| 1083 | try { |
| 1084 | e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
| 1085 | shouldThrow(); |
| 1086 | } catch (ExecutionException success) { |
| 1087 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1088 | } |
| 1089 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * timed invokeAny(c) returns result of some task |
| 1095 | */ |
| 1096 | public void testTimedInvokeAny5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1097 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1098 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1099 | long startTime = System.nanoTime(); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1100 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1101 | l.add(new StringTask()); |
| 1102 | l.add(new StringTask()); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1103 | String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1104 | assertSame(TEST_STRING, result); |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1105 | assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1106 | } |
| 1107 | } |
| 1108 | |
| 1109 | /** |
| 1110 | * timed invokeAll(null) throws NPE |
| 1111 | */ |
| 1112 | public void testTimedInvokeAll1() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1113 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1114 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1115 | try { |
| 1116 | e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1117 | shouldThrow(); |
| 1118 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | /** |
| 1123 | * timed invokeAll(,,null) throws NPE |
| 1124 | */ |
| 1125 | public void testTimedInvokeAllNullTimeUnit() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1126 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1127 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1128 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1129 | l.add(new StringTask()); |
| 1130 | try { |
| 1131 | e.invokeAll(l, MEDIUM_DELAY_MS, null); |
| 1132 | shouldThrow(); |
| 1133 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | /** |
| 1138 | * timed invokeAll(empty collection) returns empty collection |
| 1139 | */ |
| 1140 | public void testTimedInvokeAll2() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1141 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1142 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1143 | List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
| 1144 | MEDIUM_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1145 | assertTrue(r.isEmpty()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | /** |
| 1150 | * timed invokeAll(c) throws NPE if c has null elements |
| 1151 | */ |
| 1152 | public void testTimedInvokeAll3() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1153 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1154 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1155 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1156 | l.add(new StringTask()); |
| 1157 | l.add(null); |
| 1158 | try { |
| 1159 | e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
| 1160 | shouldThrow(); |
| 1161 | } catch (NullPointerException success) {} |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | /** |
| 1166 | * get of element of invokeAll(c) throws exception on failed task |
| 1167 | */ |
| 1168 | public void testTimedInvokeAll4() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1169 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1170 | try (PoolCleaner cleaner = cleaner(e)) { |
| 1171 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1172 | l.add(new NPETask()); |
| 1173 | List<Future<String>> futures = |
| 1174 | e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
| 1175 | assertEquals(1, futures.size()); |
| 1176 | try { |
| 1177 | futures.get(0).get(); |
| 1178 | shouldThrow(); |
| 1179 | } catch (ExecutionException success) { |
| 1180 | assertTrue(success.getCause() instanceof NullPointerException); |
| 1181 | } |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | /** |
| 1186 | * timed invokeAll(c) returns results of all completed tasks |
| 1187 | */ |
| 1188 | public void testTimedInvokeAll5() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1189 | final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1190 | try (PoolCleaner cleaner = cleaner(e)) { |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1191 | List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1192 | l.add(new StringTask()); |
| 1193 | l.add(new StringTask()); |
| 1194 | List<Future<String>> futures = |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1195 | e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1196 | assertEquals(2, futures.size()); |
| 1197 | for (Future<String> future : futures) |
| 1198 | assertSame(TEST_STRING, future.get()); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1199 | } |
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * timed invokeAll(c) cancels tasks not completed by timeout |
| 1204 | */ |
| 1205 | public void testTimedInvokeAll6() throws Exception { |
Przemyslaw Szczepaniak | b8b7511 | 2016-03-11 15:59:10 +0000 | [diff] [blame] | 1206 | for (long timeout = timeoutMillis();;) { |
| 1207 | final CountDownLatch done = new CountDownLatch(1); |
| 1208 | final Callable<String> waiter = new CheckedCallable<String>() { |
| 1209 | public String realCall() { |
| 1210 | try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
| 1211 | catch (InterruptedException ok) {} |
| 1212 | return "1"; }}; |
| 1213 | final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
| 1214 | try (PoolCleaner cleaner = cleaner(p, done)) { |
| 1215 | List<Callable<String>> tasks = new ArrayList<>(); |
| 1216 | tasks.add(new StringTask("0")); |
| 1217 | tasks.add(waiter); |
| 1218 | tasks.add(new StringTask("2")); |
| 1219 | long startTime = System.nanoTime(); |
| 1220 | List<Future<String>> futures = |
| 1221 | p.invokeAll(tasks, timeout, MILLISECONDS); |
| 1222 | assertEquals(tasks.size(), futures.size()); |
| 1223 | assertTrue(millisElapsedSince(startTime) >= timeout); |
| 1224 | for (Future future : futures) |
| 1225 | assertTrue(future.isDone()); |
| 1226 | assertTrue(futures.get(1).isCancelled()); |
| 1227 | try { |
| 1228 | assertEquals("0", futures.get(0).get()); |
| 1229 | assertEquals("2", futures.get(2).get()); |
| 1230 | break; |
| 1231 | } catch (CancellationException retryWithLongerTimeout) { |
| 1232 | timeout *= 2; |
| 1233 | if (timeout >= LONG_DELAY_MS / 2) |
| 1234 | fail("expected exactly one task to be cancelled"); |
| 1235 | } |
| 1236 | } |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | /** |
| 1241 | * A fixed delay task with overflowing period should not prevent a |
| 1242 | * one-shot task from executing. |
| 1243 | * https://bugs.openjdk.java.net/browse/JDK-8051859 |
| 1244 | */ |
| 1245 | public void testScheduleWithFixedDelay_overflow() throws Exception { |
| 1246 | final CountDownLatch delayedDone = new CountDownLatch(1); |
| 1247 | final CountDownLatch immediateDone = new CountDownLatch(1); |
| 1248 | final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 1249 | try (PoolCleaner cleaner = cleaner(p)) { |
| 1250 | final Runnable immediate = new Runnable() { public void run() { |
| 1251 | immediateDone.countDown(); |
| 1252 | }}; |
| 1253 | final Runnable delayed = new Runnable() { public void run() { |
| 1254 | delayedDone.countDown(); |
| 1255 | p.submit(immediate); |
| 1256 | }}; |
| 1257 | p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
| 1258 | await(delayedDone); |
| 1259 | await(immediateDone); |
Calin Juravle | 8f0d92b | 2013-08-01 17:26:00 +0100 | [diff] [blame] | 1260 | } |
| 1261 | } |
| 1262 | |
| 1263 | } |