| 6 |
|
* Pat Fisher, Mike Judd. |
| 7 |
|
*/ |
| 8 |
|
|
| 9 |
– |
import junit.framework.*; |
| 10 |
– |
import java.util.*; |
| 11 |
– |
import java.util.concurrent.*; |
| 9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 10 |
< |
import java.util.concurrent.atomic.*; |
| 10 |
> |
|
| 11 |
> |
import java.util.ArrayList; |
| 12 |
> |
import java.util.List; |
| 13 |
> |
import java.util.concurrent.BlockingQueue; |
| 14 |
> |
import java.util.concurrent.Callable; |
| 15 |
> |
import java.util.concurrent.CancellationException; |
| 16 |
> |
import java.util.concurrent.CountDownLatch; |
| 17 |
> |
import java.util.concurrent.ExecutionException; |
| 18 |
> |
import java.util.concurrent.Executors; |
| 19 |
> |
import java.util.concurrent.ExecutorService; |
| 20 |
> |
import java.util.concurrent.Future; |
| 21 |
> |
import java.util.concurrent.RejectedExecutionException; |
| 22 |
> |
import java.util.concurrent.ScheduledFuture; |
| 23 |
> |
import java.util.concurrent.ScheduledThreadPoolExecutor; |
| 24 |
> |
import java.util.concurrent.ThreadFactory; |
| 25 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
| 26 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
| 27 |
> |
|
| 28 |
> |
import junit.framework.Test; |
| 29 |
> |
import junit.framework.TestSuite; |
| 30 |
|
|
| 31 |
|
public class ScheduledExecutorTest extends JSR166TestCase { |
| 32 |
|
public static void main(String[] args) { |
| 33 |
< |
junit.textui.TestRunner.run(suite()); |
| 33 |
> |
main(suite(), args); |
| 34 |
|
} |
| 35 |
|
public static Test suite() { |
| 36 |
|
return new TestSuite(ScheduledExecutorTest.class); |
| 157 |
|
*/ |
| 158 |
|
public void testFixedRateSequence() throws InterruptedException { |
| 159 |
|
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 160 |
< |
RunnableCounter counter = new RunnableCounter(); |
| 161 |
< |
ScheduledFuture h = |
| 162 |
< |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
| 163 |
< |
delay(SMALL_DELAY_MS); |
| 164 |
< |
h.cancel(true); |
| 165 |
< |
int c = counter.count.get(); |
| 166 |
< |
// By time scaling conventions, we must have at least |
| 167 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
| 168 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
| 169 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
| 170 |
< |
joinPool(p); |
| 160 |
> |
try { |
| 161 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
| 162 |
> |
long startTime = System.nanoTime(); |
| 163 |
> |
int cycles = 10; |
| 164 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
| 165 |
> |
Runnable task = new CheckedRunnable() { |
| 166 |
> |
public void realRun() { done.countDown(); }}; |
| 167 |
> |
ScheduledFuture h = |
| 168 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
| 169 |
> |
done.await(); |
| 170 |
> |
h.cancel(true); |
| 171 |
> |
double normalizedTime = |
| 172 |
> |
(double) millisElapsedSince(startTime) / delay; |
| 173 |
> |
if (normalizedTime >= cycles - 1 && |
| 174 |
> |
normalizedTime <= cycles) |
| 175 |
> |
return; |
| 176 |
> |
} |
| 177 |
> |
throw new AssertionError("unexpected execution rate"); |
| 178 |
> |
} finally { |
| 179 |
> |
joinPool(p); |
| 180 |
> |
} |
| 181 |
|
} |
| 182 |
|
|
| 183 |
|
/** |
| 185 |
|
*/ |
| 186 |
|
public void testFixedDelaySequence() throws InterruptedException { |
| 187 |
|
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
| 188 |
< |
RunnableCounter counter = new RunnableCounter(); |
| 189 |
< |
ScheduledFuture h = |
| 190 |
< |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
| 191 |
< |
delay(SMALL_DELAY_MS); |
| 192 |
< |
h.cancel(true); |
| 193 |
< |
int c = counter.count.get(); |
| 194 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
| 195 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
| 196 |
< |
joinPool(p); |
| 188 |
> |
try { |
| 189 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
| 190 |
> |
long startTime = System.nanoTime(); |
| 191 |
> |
int cycles = 10; |
| 192 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
| 193 |
> |
Runnable task = new CheckedRunnable() { |
| 194 |
> |
public void realRun() { done.countDown(); }}; |
| 195 |
> |
ScheduledFuture h = |
| 196 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
| 197 |
> |
done.await(); |
| 198 |
> |
h.cancel(true); |
| 199 |
> |
double normalizedTime = |
| 200 |
> |
(double) millisElapsedSince(startTime) / delay; |
| 201 |
> |
if (normalizedTime >= cycles - 1 && |
| 202 |
> |
normalizedTime <= cycles) |
| 203 |
> |
return; |
| 204 |
> |
} |
| 205 |
> |
throw new AssertionError("unexpected execution rate"); |
| 206 |
> |
} finally { |
| 207 |
> |
joinPool(p); |
| 208 |
> |
} |
| 209 |
|
} |
| 210 |
|
|
| 211 |
|
/** |
| 358 |
|
threadProceed.await(); |
| 359 |
|
threadDone.countDown(); |
| 360 |
|
}}); |
| 361 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
| 361 |
> |
await(threadStarted); |
| 362 |
|
assertEquals(0, p.getCompletedTaskCount()); |
| 363 |
|
threadProceed.countDown(); |
| 364 |
|
threadDone.await(); |
| 1187 |
|
public void testTimedInvokeAll6() throws Exception { |
| 1188 |
|
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
| 1189 |
|
try { |
| 1190 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
| 1191 |
< |
l.add(new StringTask()); |
| 1192 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
| 1193 |
< |
l.add(new StringTask()); |
| 1194 |
< |
List<Future<String>> futures = |
| 1195 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
| 1196 |
< |
assertEquals(3, futures.size()); |
| 1197 |
< |
Iterator<Future<String>> it = futures.iterator(); |
| 1198 |
< |
Future<String> f1 = it.next(); |
| 1199 |
< |
Future<String> f2 = it.next(); |
| 1200 |
< |
Future<String> f3 = it.next(); |
| 1201 |
< |
assertTrue(f1.isDone()); |
| 1202 |
< |
assertTrue(f2.isDone()); |
| 1203 |
< |
assertTrue(f3.isDone()); |
| 1204 |
< |
assertFalse(f1.isCancelled()); |
| 1205 |
< |
assertTrue(f2.isCancelled()); |
| 1190 |
> |
for (long timeout = timeoutMillis();;) { |
| 1191 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
| 1192 |
> |
tasks.add(new StringTask("0")); |
| 1193 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
| 1194 |
> |
tasks.add(new StringTask("2")); |
| 1195 |
> |
long startTime = System.nanoTime(); |
| 1196 |
> |
List<Future<String>> futures = |
| 1197 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
| 1198 |
> |
assertEquals(tasks.size(), futures.size()); |
| 1199 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
| 1200 |
> |
for (Future future : futures) |
| 1201 |
> |
assertTrue(future.isDone()); |
| 1202 |
> |
assertTrue(futures.get(1).isCancelled()); |
| 1203 |
> |
try { |
| 1204 |
> |
assertEquals("0", futures.get(0).get()); |
| 1205 |
> |
assertEquals("2", futures.get(2).get()); |
| 1206 |
> |
break; |
| 1207 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
| 1208 |
> |
timeout *= 2; |
| 1209 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
| 1210 |
> |
fail("expected exactly one task to be cancelled"); |
| 1211 |
> |
} |
| 1212 |
> |
} |
| 1213 |
|
} finally { |
| 1214 |
|
joinPool(e); |
| 1215 |
|
} |
