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 |
*/ |
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|
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
8 |
import static java.util.concurrent.TimeUnit.SECONDS; |
9 |
|
10 |
import java.util.HashSet; |
11 |
import java.util.concurrent.CancellationException; |
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import java.util.concurrent.ExecutionException; |
13 |
import java.util.concurrent.ForkJoinPool; |
14 |
import java.util.concurrent.ForkJoinTask; |
15 |
import java.util.concurrent.RecursiveAction; |
16 |
import java.util.concurrent.TimeoutException; |
17 |
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater; |
18 |
|
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import junit.framework.Test; |
20 |
import junit.framework.TestSuite; |
21 |
|
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public class ForkJoinTaskTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
27 |
|
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public static Test suite() { |
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return new TestSuite(ForkJoinTaskTest.class); |
30 |
} |
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|
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// Runs with "mainPool" use > 1 thread. singletonPool tests use 1 |
33 |
static final int mainPoolSize = |
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Math.max(2, Runtime.getRuntime().availableProcessors()); |
35 |
|
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private static ForkJoinPool mainPool() { |
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return new ForkJoinPool(mainPoolSize); |
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} |
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|
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private static ForkJoinPool singletonPool() { |
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return new ForkJoinPool(1); |
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} |
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|
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private static ForkJoinPool asyncSingletonPool() { |
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return new ForkJoinPool(1, |
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ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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null, true); |
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} |
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|
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private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) { |
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try (PoolCleaner cleaner = cleaner(pool)) { |
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assertFalse(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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|
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assertNull(pool.invoke(a)); |
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|
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assertTrue(a.isDone()); |
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assertTrue(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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} |
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} |
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|
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void checkNotDone(ForkJoinTask a) { |
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assertFalse(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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|
78 |
try { |
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a.get(0L, SECONDS); |
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shouldThrow(); |
81 |
} catch (TimeoutException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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<T> void checkCompletedNormally(ForkJoinTask<T> a) { |
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checkCompletedNormally(a, null); |
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} |
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|
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<T> void checkCompletedNormally(ForkJoinTask<T> a, T expected) { |
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assertTrue(a.isDone()); |
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assertFalse(a.isCancelled()); |
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assertTrue(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertNull(a.getException()); |
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assertSame(expected, a.getRawResult()); |
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|
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{ |
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Thread.currentThread().interrupt(); |
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long t0 = System.nanoTime(); |
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assertSame(expected, a.join()); |
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assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
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Thread.interrupted(); |
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} |
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|
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{ |
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Thread.currentThread().interrupt(); |
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long t0 = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
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Thread.interrupted(); |
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} |
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|
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assertFalse(a.cancel(false)); |
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assertFalse(a.cancel(true)); |
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try { |
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assertSame(expected, a.get()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertSame(expected, a.get(5L, SECONDS)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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void checkCancelled(ForkJoinTask a) { |
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assertTrue(a.isDone()); |
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assertTrue(a.isCancelled()); |
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assertFalse(a.isCompletedNormally()); |
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assertTrue(a.isCompletedAbnormally()); |
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assertTrue(a.getException() instanceof CancellationException); |
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assertNull(a.getRawResult()); |
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assertTrue(a.cancel(false)); |
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assertTrue(a.cancel(true)); |
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|
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try { |
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Thread.currentThread().interrupt(); |
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a.join(); |
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shouldThrow(); |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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Thread.interrupted(); |
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|
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{ |
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long t0 = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
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} |
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|
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try { |
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a.get(); |
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shouldThrow(); |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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try { |
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a.get(5L, SECONDS); |
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shouldThrow(); |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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void checkCompletedAbnormally(ForkJoinTask a, Throwable t) { |
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assertTrue(a.isDone()); |
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assertFalse(a.isCancelled()); |
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assertFalse(a.isCompletedNormally()); |
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assertTrue(a.isCompletedAbnormally()); |
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assertSame(t.getClass(), a.getException().getClass()); |
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assertNull(a.getRawResult()); |
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assertFalse(a.cancel(false)); |
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assertFalse(a.cancel(true)); |
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|
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try { |
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Thread.currentThread().interrupt(); |
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a.join(); |
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shouldThrow(); |
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} catch (Throwable expected) { |
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assertSame(t.getClass(), expected.getClass()); |
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} |
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Thread.interrupted(); |
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|
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{ |
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long t0 = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS); |
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} |
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|
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try { |
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a.get(); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(t.getClass(), success.getCause().getClass()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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try { |
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a.get(5L, SECONDS); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(t.getClass(), success.getCause().getClass()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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/* |
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* Testing coverage notes: |
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* |
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* To test extension methods and overrides, most tests use |
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* BinaryAsyncAction extension class that processes joins |
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* differently than supplied Recursive forms. |
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*/ |
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|
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public static final class FJException extends RuntimeException { |
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FJException() { super(); } |
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} |
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|
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abstract static class BinaryAsyncAction extends ForkJoinTask<Void> { |
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private volatile int controlState; |
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|
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static final AtomicIntegerFieldUpdater<BinaryAsyncAction> controlStateUpdater = |
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AtomicIntegerFieldUpdater.newUpdater(BinaryAsyncAction.class, |
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"controlState"); |
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|
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private BinaryAsyncAction parent; |
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|
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private BinaryAsyncAction sibling; |
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|
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protected BinaryAsyncAction() { |
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} |
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|
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public final Void getRawResult() { return null; } |
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protected final void setRawResult(Void mustBeNull) { } |
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|
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public final void linkSubtasks(BinaryAsyncAction x, BinaryAsyncAction y) { |
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x.parent = y.parent = this; |
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x.sibling = y; |
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y.sibling = x; |
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} |
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|
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protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) { |
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} |
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|
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protected boolean onException() { |
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return true; |
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} |
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|
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public void linkAndForkSubtasks(BinaryAsyncAction x, BinaryAsyncAction y) { |
243 |
linkSubtasks(x, y); |
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y.fork(); |
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x.fork(); |
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} |
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|
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private void completeThis() { |
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super.complete(null); |
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} |
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|
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private void completeThisExceptionally(Throwable ex) { |
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super.completeExceptionally(ex); |
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} |
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|
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public final void complete() { |
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BinaryAsyncAction a = this; |
258 |
for (;;) { |
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BinaryAsyncAction s = a.sibling; |
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BinaryAsyncAction p = a.parent; |
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a.sibling = null; |
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a.parent = null; |
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a.completeThis(); |
264 |
if (p == null || p.compareAndSetControlState(0, 1)) |
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break; |
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try { |
267 |
p.onComplete(a, s); |
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} catch (Throwable rex) { |
269 |
p.completeExceptionally(rex); |
270 |
return; |
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} |
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a = p; |
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} |
274 |
} |
275 |
|
276 |
public final void completeExceptionally(Throwable ex) { |
277 |
BinaryAsyncAction a = this; |
278 |
while (!a.isCompletedAbnormally()) { |
279 |
a.completeThisExceptionally(ex); |
280 |
BinaryAsyncAction s = a.sibling; |
281 |
if (s != null) |
282 |
s.cancel(false); |
283 |
if (!a.onException() || (a = a.parent) == null) |
284 |
break; |
285 |
} |
286 |
} |
287 |
|
288 |
public final BinaryAsyncAction getParent() { |
289 |
return parent; |
290 |
} |
291 |
|
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public BinaryAsyncAction getSibling() { |
293 |
return sibling; |
294 |
} |
295 |
|
296 |
public void reinitialize() { |
297 |
parent = sibling = null; |
298 |
super.reinitialize(); |
299 |
} |
300 |
|
301 |
protected final int getControlState() { |
302 |
return controlState; |
303 |
} |
304 |
|
305 |
protected final boolean compareAndSetControlState(int expect, |
306 |
int update) { |
307 |
return controlStateUpdater.compareAndSet(this, expect, update); |
308 |
} |
309 |
|
310 |
protected final void setControlState(int value) { |
311 |
controlState = value; |
312 |
} |
313 |
|
314 |
protected final void incrementControlState() { |
315 |
controlStateUpdater.incrementAndGet(this); |
316 |
} |
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|
318 |
protected final void decrementControlState() { |
319 |
controlStateUpdater.decrementAndGet(this); |
320 |
} |
321 |
|
322 |
} |
323 |
|
324 |
static final class AsyncFib extends BinaryAsyncAction { |
325 |
int number; |
326 |
public AsyncFib(int n) { |
327 |
this.number = n; |
328 |
} |
329 |
|
330 |
public final boolean exec() { |
331 |
AsyncFib f = this; |
332 |
int n = f.number; |
333 |
if (n > 1) { |
334 |
while (n > 1) { |
335 |
AsyncFib p = f; |
336 |
AsyncFib r = new AsyncFib(n - 2); |
337 |
f = new AsyncFib(--n); |
338 |
p.linkSubtasks(r, f); |
339 |
r.fork(); |
340 |
} |
341 |
f.number = n; |
342 |
} |
343 |
f.complete(); |
344 |
return false; |
345 |
} |
346 |
|
347 |
protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) { |
348 |
number = ((AsyncFib)x).number + ((AsyncFib)y).number; |
349 |
} |
350 |
} |
351 |
|
352 |
static final class FailingAsyncFib extends BinaryAsyncAction { |
353 |
int number; |
354 |
public FailingAsyncFib(int n) { |
355 |
this.number = n; |
356 |
} |
357 |
|
358 |
public final boolean exec() { |
359 |
FailingAsyncFib f = this; |
360 |
int n = f.number; |
361 |
if (n > 1) { |
362 |
while (n > 1) { |
363 |
FailingAsyncFib p = f; |
364 |
FailingAsyncFib r = new FailingAsyncFib(n - 2); |
365 |
f = new FailingAsyncFib(--n); |
366 |
p.linkSubtasks(r, f); |
367 |
r.fork(); |
368 |
} |
369 |
f.number = n; |
370 |
} |
371 |
f.complete(); |
372 |
return false; |
373 |
} |
374 |
|
375 |
protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) { |
376 |
completeExceptionally(new FJException()); |
377 |
} |
378 |
} |
379 |
|
380 |
/** |
381 |
* invoke returns when task completes normally. |
382 |
* isCompletedAbnormally and isCancelled return false for normally |
383 |
* completed tasks; getRawResult returns null. |
384 |
*/ |
385 |
public void testInvoke() { |
386 |
RecursiveAction a = new CheckedRecursiveAction() { |
387 |
protected void realCompute() { |
388 |
AsyncFib f = new AsyncFib(8); |
389 |
assertNull(f.invoke()); |
390 |
assertEquals(21, f.number); |
391 |
checkCompletedNormally(f); |
392 |
}}; |
393 |
testInvokeOnPool(mainPool(), a); |
394 |
} |
395 |
|
396 |
/** |
397 |
* quietlyInvoke task returns when task completes normally. |
398 |
* isCompletedAbnormally and isCancelled return false for normally |
399 |
* completed tasks |
400 |
*/ |
401 |
public void testQuietlyInvoke() { |
402 |
RecursiveAction a = new CheckedRecursiveAction() { |
403 |
protected void realCompute() { |
404 |
AsyncFib f = new AsyncFib(8); |
405 |
f.quietlyInvoke(); |
406 |
assertEquals(21, f.number); |
407 |
checkCompletedNormally(f); |
408 |
}}; |
409 |
testInvokeOnPool(mainPool(), a); |
410 |
} |
411 |
|
412 |
/** |
413 |
* join of a forked task returns when task completes |
414 |
*/ |
415 |
public void testForkJoin() { |
416 |
RecursiveAction a = new CheckedRecursiveAction() { |
417 |
protected void realCompute() { |
418 |
AsyncFib f = new AsyncFib(8); |
419 |
assertSame(f, f.fork()); |
420 |
assertNull(f.join()); |
421 |
assertEquals(21, f.number); |
422 |
checkCompletedNormally(f); |
423 |
}}; |
424 |
testInvokeOnPool(mainPool(), a); |
425 |
} |
426 |
|
427 |
/** |
428 |
* get of a forked task returns when task completes |
429 |
*/ |
430 |
public void testForkGet() { |
431 |
RecursiveAction a = new CheckedRecursiveAction() { |
432 |
protected void realCompute() throws Exception { |
433 |
AsyncFib f = new AsyncFib(8); |
434 |
assertSame(f, f.fork()); |
435 |
assertNull(f.get()); |
436 |
assertEquals(21, f.number); |
437 |
checkCompletedNormally(f); |
438 |
}}; |
439 |
testInvokeOnPool(mainPool(), a); |
440 |
} |
441 |
|
442 |
/** |
443 |
* timed get of a forked task returns when task completes |
444 |
*/ |
445 |
public void testForkTimedGet() { |
446 |
RecursiveAction a = new CheckedRecursiveAction() { |
447 |
protected void realCompute() throws Exception { |
448 |
AsyncFib f = new AsyncFib(8); |
449 |
assertSame(f, f.fork()); |
450 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
451 |
assertEquals(21, f.number); |
452 |
checkCompletedNormally(f); |
453 |
}}; |
454 |
testInvokeOnPool(mainPool(), a); |
455 |
} |
456 |
|
457 |
/** |
458 |
* timed get with null time unit throws NPE |
459 |
*/ |
460 |
public void testForkTimedGetNPE() { |
461 |
RecursiveAction a = new CheckedRecursiveAction() { |
462 |
protected void realCompute() throws Exception { |
463 |
AsyncFib f = new AsyncFib(8); |
464 |
assertSame(f, f.fork()); |
465 |
try { |
466 |
f.get(5L, null); |
467 |
shouldThrow(); |
468 |
} catch (NullPointerException success) {} |
469 |
}}; |
470 |
testInvokeOnPool(mainPool(), a); |
471 |
} |
472 |
|
473 |
/** |
474 |
* quietlyJoin of a forked task returns when task completes |
475 |
*/ |
476 |
public void testForkQuietlyJoin() { |
477 |
RecursiveAction a = new CheckedRecursiveAction() { |
478 |
protected void realCompute() { |
479 |
AsyncFib f = new AsyncFib(8); |
480 |
assertSame(f, f.fork()); |
481 |
f.quietlyJoin(); |
482 |
assertEquals(21, f.number); |
483 |
checkCompletedNormally(f); |
484 |
}}; |
485 |
testInvokeOnPool(mainPool(), a); |
486 |
} |
487 |
|
488 |
/** |
489 |
* helpQuiesce returns when tasks are complete. |
490 |
* getQueuedTaskCount returns 0 when quiescent |
491 |
*/ |
492 |
public void testForkHelpQuiesce() { |
493 |
RecursiveAction a = new CheckedRecursiveAction() { |
494 |
protected void realCompute() { |
495 |
AsyncFib f = new AsyncFib(8); |
496 |
assertSame(f, f.fork()); |
497 |
helpQuiesce(); |
498 |
assertEquals(21, f.number); |
499 |
assertEquals(0, getQueuedTaskCount()); |
500 |
checkCompletedNormally(f); |
501 |
}}; |
502 |
testInvokeOnPool(mainPool(), a); |
503 |
} |
504 |
|
505 |
/** |
506 |
* invoke task throws exception when task completes abnormally |
507 |
*/ |
508 |
public void testAbnormalInvoke() { |
509 |
RecursiveAction a = new CheckedRecursiveAction() { |
510 |
protected void realCompute() { |
511 |
FailingAsyncFib f = new FailingAsyncFib(8); |
512 |
try { |
513 |
f.invoke(); |
514 |
shouldThrow(); |
515 |
} catch (FJException success) { |
516 |
checkCompletedAbnormally(f, success); |
517 |
} |
518 |
}}; |
519 |
testInvokeOnPool(mainPool(), a); |
520 |
} |
521 |
|
522 |
/** |
523 |
* quietlyInvoke task returns when task completes abnormally |
524 |
*/ |
525 |
public void testAbnormalQuietlyInvoke() { |
526 |
RecursiveAction a = new CheckedRecursiveAction() { |
527 |
protected void realCompute() { |
528 |
FailingAsyncFib f = new FailingAsyncFib(8); |
529 |
f.quietlyInvoke(); |
530 |
assertTrue(f.getException() instanceof FJException); |
531 |
checkCompletedAbnormally(f, f.getException()); |
532 |
}}; |
533 |
testInvokeOnPool(mainPool(), a); |
534 |
} |
535 |
|
536 |
/** |
537 |
* join of a forked task throws exception when task completes abnormally |
538 |
*/ |
539 |
public void testAbnormalForkJoin() { |
540 |
RecursiveAction a = new CheckedRecursiveAction() { |
541 |
protected void realCompute() { |
542 |
FailingAsyncFib f = new FailingAsyncFib(8); |
543 |
assertSame(f, f.fork()); |
544 |
try { |
545 |
f.join(); |
546 |
shouldThrow(); |
547 |
} catch (FJException success) { |
548 |
checkCompletedAbnormally(f, success); |
549 |
} |
550 |
}}; |
551 |
testInvokeOnPool(mainPool(), a); |
552 |
} |
553 |
|
554 |
/** |
555 |
* get of a forked task throws exception when task completes abnormally |
556 |
*/ |
557 |
public void testAbnormalForkGet() { |
558 |
RecursiveAction a = new CheckedRecursiveAction() { |
559 |
protected void realCompute() throws Exception { |
560 |
FailingAsyncFib f = new FailingAsyncFib(8); |
561 |
assertSame(f, f.fork()); |
562 |
try { |
563 |
f.get(); |
564 |
shouldThrow(); |
565 |
} catch (ExecutionException success) { |
566 |
Throwable cause = success.getCause(); |
567 |
assertTrue(cause instanceof FJException); |
568 |
checkCompletedAbnormally(f, cause); |
569 |
} |
570 |
}}; |
571 |
testInvokeOnPool(mainPool(), a); |
572 |
} |
573 |
|
574 |
/** |
575 |
* timed get of a forked task throws exception when task completes abnormally |
576 |
*/ |
577 |
public void testAbnormalForkTimedGet() { |
578 |
RecursiveAction a = new CheckedRecursiveAction() { |
579 |
protected void realCompute() throws Exception { |
580 |
FailingAsyncFib f = new FailingAsyncFib(8); |
581 |
assertSame(f, f.fork()); |
582 |
try { |
583 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
584 |
shouldThrow(); |
585 |
} catch (ExecutionException success) { |
586 |
Throwable cause = success.getCause(); |
587 |
assertTrue(cause instanceof FJException); |
588 |
checkCompletedAbnormally(f, cause); |
589 |
} |
590 |
}}; |
591 |
testInvokeOnPool(mainPool(), a); |
592 |
} |
593 |
|
594 |
/** |
595 |
* quietlyJoin of a forked task returns when task completes abnormally |
596 |
*/ |
597 |
public void testAbnormalForkQuietlyJoin() { |
598 |
RecursiveAction a = new CheckedRecursiveAction() { |
599 |
protected void realCompute() { |
600 |
FailingAsyncFib f = new FailingAsyncFib(8); |
601 |
assertSame(f, f.fork()); |
602 |
f.quietlyJoin(); |
603 |
assertTrue(f.getException() instanceof FJException); |
604 |
checkCompletedAbnormally(f, f.getException()); |
605 |
}}; |
606 |
testInvokeOnPool(mainPool(), a); |
607 |
} |
608 |
|
609 |
/** |
610 |
* invoke task throws exception when task cancelled |
611 |
*/ |
612 |
public void testCancelledInvoke() { |
613 |
RecursiveAction a = new CheckedRecursiveAction() { |
614 |
protected void realCompute() { |
615 |
AsyncFib f = new AsyncFib(8); |
616 |
assertTrue(f.cancel(true)); |
617 |
try { |
618 |
f.invoke(); |
619 |
shouldThrow(); |
620 |
} catch (CancellationException success) { |
621 |
checkCancelled(f); |
622 |
} |
623 |
}}; |
624 |
testInvokeOnPool(mainPool(), a); |
625 |
} |
626 |
|
627 |
/** |
628 |
* join of a forked task throws exception when task cancelled |
629 |
*/ |
630 |
public void testCancelledForkJoin() { |
631 |
RecursiveAction a = new CheckedRecursiveAction() { |
632 |
protected void realCompute() { |
633 |
AsyncFib f = new AsyncFib(8); |
634 |
assertTrue(f.cancel(true)); |
635 |
assertSame(f, f.fork()); |
636 |
try { |
637 |
f.join(); |
638 |
shouldThrow(); |
639 |
} catch (CancellationException success) { |
640 |
checkCancelled(f); |
641 |
} |
642 |
}}; |
643 |
testInvokeOnPool(mainPool(), a); |
644 |
} |
645 |
|
646 |
/** |
647 |
* get of a forked task throws exception when task cancelled |
648 |
*/ |
649 |
public void testCancelledForkGet() { |
650 |
RecursiveAction a = new CheckedRecursiveAction() { |
651 |
protected void realCompute() throws Exception { |
652 |
AsyncFib f = new AsyncFib(8); |
653 |
assertTrue(f.cancel(true)); |
654 |
assertSame(f, f.fork()); |
655 |
try { |
656 |
f.get(); |
657 |
shouldThrow(); |
658 |
} catch (CancellationException success) { |
659 |
checkCancelled(f); |
660 |
} |
661 |
}}; |
662 |
testInvokeOnPool(mainPool(), a); |
663 |
} |
664 |
|
665 |
/** |
666 |
* timed get of a forked task throws exception when task cancelled |
667 |
*/ |
668 |
public void testCancelledForkTimedGet() throws Exception { |
669 |
RecursiveAction a = new CheckedRecursiveAction() { |
670 |
protected void realCompute() throws Exception { |
671 |
AsyncFib f = new AsyncFib(8); |
672 |
assertTrue(f.cancel(true)); |
673 |
assertSame(f, f.fork()); |
674 |
try { |
675 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
676 |
shouldThrow(); |
677 |
} catch (CancellationException success) { |
678 |
checkCancelled(f); |
679 |
} |
680 |
}}; |
681 |
testInvokeOnPool(mainPool(), a); |
682 |
} |
683 |
|
684 |
/** |
685 |
* quietlyJoin of a forked task returns when task cancelled |
686 |
*/ |
687 |
public void testCancelledForkQuietlyJoin() { |
688 |
RecursiveAction a = new CheckedRecursiveAction() { |
689 |
protected void realCompute() { |
690 |
AsyncFib f = new AsyncFib(8); |
691 |
assertTrue(f.cancel(true)); |
692 |
assertSame(f, f.fork()); |
693 |
f.quietlyJoin(); |
694 |
checkCancelled(f); |
695 |
}}; |
696 |
testInvokeOnPool(mainPool(), a); |
697 |
} |
698 |
|
699 |
/** |
700 |
* getPool of executing task returns its pool |
701 |
*/ |
702 |
public void testGetPool() { |
703 |
final ForkJoinPool mainPool = mainPool(); |
704 |
RecursiveAction a = new CheckedRecursiveAction() { |
705 |
protected void realCompute() { |
706 |
assertSame(mainPool, getPool()); |
707 |
}}; |
708 |
testInvokeOnPool(mainPool, a); |
709 |
} |
710 |
|
711 |
/** |
712 |
* getPool of non-FJ task returns null |
713 |
*/ |
714 |
public void testGetPool2() { |
715 |
RecursiveAction a = new CheckedRecursiveAction() { |
716 |
protected void realCompute() { |
717 |
assertNull(getPool()); |
718 |
}}; |
719 |
assertNull(a.invoke()); |
720 |
} |
721 |
|
722 |
/** |
723 |
* inForkJoinPool of executing task returns true |
724 |
*/ |
725 |
public void testInForkJoinPool() { |
726 |
RecursiveAction a = new CheckedRecursiveAction() { |
727 |
protected void realCompute() { |
728 |
assertTrue(inForkJoinPool()); |
729 |
}}; |
730 |
testInvokeOnPool(mainPool(), a); |
731 |
} |
732 |
|
733 |
/** |
734 |
* inForkJoinPool of non-FJ task returns false |
735 |
*/ |
736 |
public void testInForkJoinPool2() { |
737 |
RecursiveAction a = new CheckedRecursiveAction() { |
738 |
protected void realCompute() { |
739 |
assertFalse(inForkJoinPool()); |
740 |
}}; |
741 |
assertNull(a.invoke()); |
742 |
} |
743 |
|
744 |
/** |
745 |
* setRawResult(null) succeeds |
746 |
*/ |
747 |
public void testSetRawResult() { |
748 |
RecursiveAction a = new CheckedRecursiveAction() { |
749 |
protected void realCompute() { |
750 |
setRawResult(null); |
751 |
assertNull(getRawResult()); |
752 |
}}; |
753 |
assertNull(a.invoke()); |
754 |
} |
755 |
|
756 |
/** |
757 |
* invoke task throws exception after invoking completeExceptionally |
758 |
*/ |
759 |
public void testCompleteExceptionally() { |
760 |
RecursiveAction a = new CheckedRecursiveAction() { |
761 |
protected void realCompute() { |
762 |
AsyncFib f = new AsyncFib(8); |
763 |
f.completeExceptionally(new FJException()); |
764 |
try { |
765 |
f.invoke(); |
766 |
shouldThrow(); |
767 |
} catch (FJException success) { |
768 |
checkCompletedAbnormally(f, success); |
769 |
} |
770 |
}}; |
771 |
testInvokeOnPool(mainPool(), a); |
772 |
} |
773 |
|
774 |
/** |
775 |
* invokeAll(t1, t2) invokes all task arguments |
776 |
*/ |
777 |
public void testInvokeAll2() { |
778 |
RecursiveAction a = new CheckedRecursiveAction() { |
779 |
protected void realCompute() { |
780 |
AsyncFib f = new AsyncFib(8); |
781 |
AsyncFib g = new AsyncFib(9); |
782 |
invokeAll(f, g); |
783 |
assertEquals(21, f.number); |
784 |
assertEquals(34, g.number); |
785 |
checkCompletedNormally(f); |
786 |
checkCompletedNormally(g); |
787 |
}}; |
788 |
testInvokeOnPool(mainPool(), a); |
789 |
} |
790 |
|
791 |
/** |
792 |
* invokeAll(tasks) with 1 argument invokes task |
793 |
*/ |
794 |
public void testInvokeAll1() { |
795 |
RecursiveAction a = new CheckedRecursiveAction() { |
796 |
protected void realCompute() { |
797 |
AsyncFib f = new AsyncFib(8); |
798 |
invokeAll(f); |
799 |
checkCompletedNormally(f); |
800 |
assertEquals(21, f.number); |
801 |
}}; |
802 |
testInvokeOnPool(mainPool(), a); |
803 |
} |
804 |
|
805 |
/** |
806 |
* invokeAll(tasks) with > 2 argument invokes tasks |
807 |
*/ |
808 |
public void testInvokeAll3() { |
809 |
RecursiveAction a = new CheckedRecursiveAction() { |
810 |
protected void realCompute() { |
811 |
AsyncFib f = new AsyncFib(8); |
812 |
AsyncFib g = new AsyncFib(9); |
813 |
AsyncFib h = new AsyncFib(7); |
814 |
invokeAll(f, g, h); |
815 |
assertEquals(21, f.number); |
816 |
assertEquals(34, g.number); |
817 |
assertEquals(13, h.number); |
818 |
checkCompletedNormally(f); |
819 |
checkCompletedNormally(g); |
820 |
checkCompletedNormally(h); |
821 |
}}; |
822 |
testInvokeOnPool(mainPool(), a); |
823 |
} |
824 |
|
825 |
/** |
826 |
* invokeAll(collection) invokes all tasks in the collection |
827 |
*/ |
828 |
public void testInvokeAllCollection() { |
829 |
RecursiveAction a = new CheckedRecursiveAction() { |
830 |
protected void realCompute() { |
831 |
AsyncFib f = new AsyncFib(8); |
832 |
AsyncFib g = new AsyncFib(9); |
833 |
AsyncFib h = new AsyncFib(7); |
834 |
HashSet set = new HashSet(); |
835 |
set.add(f); |
836 |
set.add(g); |
837 |
set.add(h); |
838 |
invokeAll(set); |
839 |
assertEquals(21, f.number); |
840 |
assertEquals(34, g.number); |
841 |
assertEquals(13, h.number); |
842 |
checkCompletedNormally(f); |
843 |
checkCompletedNormally(g); |
844 |
checkCompletedNormally(h); |
845 |
}}; |
846 |
testInvokeOnPool(mainPool(), a); |
847 |
} |
848 |
|
849 |
/** |
850 |
* invokeAll(tasks) with any null task throws NPE |
851 |
*/ |
852 |
public void testInvokeAllNPE() { |
853 |
RecursiveAction a = new CheckedRecursiveAction() { |
854 |
protected void realCompute() { |
855 |
AsyncFib f = new AsyncFib(8); |
856 |
AsyncFib g = new AsyncFib(9); |
857 |
AsyncFib h = null; |
858 |
try { |
859 |
invokeAll(f, g, h); |
860 |
shouldThrow(); |
861 |
} catch (NullPointerException success) {} |
862 |
}}; |
863 |
testInvokeOnPool(mainPool(), a); |
864 |
} |
865 |
|
866 |
/** |
867 |
* invokeAll(t1, t2) throw exception if any task does |
868 |
*/ |
869 |
public void testAbnormalInvokeAll2() { |
870 |
RecursiveAction a = new CheckedRecursiveAction() { |
871 |
protected void realCompute() { |
872 |
AsyncFib f = new AsyncFib(8); |
873 |
FailingAsyncFib g = new FailingAsyncFib(9); |
874 |
try { |
875 |
invokeAll(f, g); |
876 |
shouldThrow(); |
877 |
} catch (FJException success) { |
878 |
checkCompletedAbnormally(g, success); |
879 |
} |
880 |
}}; |
881 |
testInvokeOnPool(mainPool(), a); |
882 |
} |
883 |
|
884 |
/** |
885 |
* invokeAll(tasks) with 1 argument throws exception if task does |
886 |
*/ |
887 |
public void testAbnormalInvokeAll1() { |
888 |
RecursiveAction a = new CheckedRecursiveAction() { |
889 |
protected void realCompute() { |
890 |
FailingAsyncFib g = new FailingAsyncFib(9); |
891 |
try { |
892 |
invokeAll(g); |
893 |
shouldThrow(); |
894 |
} catch (FJException success) { |
895 |
checkCompletedAbnormally(g, success); |
896 |
} |
897 |
}}; |
898 |
testInvokeOnPool(mainPool(), a); |
899 |
} |
900 |
|
901 |
/** |
902 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
903 |
*/ |
904 |
public void testAbnormalInvokeAll3() { |
905 |
RecursiveAction a = new CheckedRecursiveAction() { |
906 |
protected void realCompute() { |
907 |
AsyncFib f = new AsyncFib(8); |
908 |
FailingAsyncFib g = new FailingAsyncFib(9); |
909 |
AsyncFib h = new AsyncFib(7); |
910 |
try { |
911 |
invokeAll(f, g, h); |
912 |
shouldThrow(); |
913 |
} catch (FJException success) { |
914 |
checkCompletedAbnormally(g, success); |
915 |
} |
916 |
}}; |
917 |
testInvokeOnPool(mainPool(), a); |
918 |
} |
919 |
|
920 |
/** |
921 |
* invokeAll(collection) throws exception if any task does |
922 |
*/ |
923 |
public void testAbnormalInvokeAllCollection() { |
924 |
RecursiveAction a = new CheckedRecursiveAction() { |
925 |
protected void realCompute() { |
926 |
FailingAsyncFib f = new FailingAsyncFib(8); |
927 |
AsyncFib g = new AsyncFib(9); |
928 |
AsyncFib h = new AsyncFib(7); |
929 |
HashSet set = new HashSet(); |
930 |
set.add(f); |
931 |
set.add(g); |
932 |
set.add(h); |
933 |
try { |
934 |
invokeAll(set); |
935 |
shouldThrow(); |
936 |
} catch (FJException success) { |
937 |
checkCompletedAbnormally(f, success); |
938 |
} |
939 |
}}; |
940 |
testInvokeOnPool(mainPool(), a); |
941 |
} |
942 |
|
943 |
/** |
944 |
* tryUnfork returns true for most recent unexecuted task, |
945 |
* and suppresses execution |
946 |
*/ |
947 |
public void testTryUnfork() { |
948 |
RecursiveAction a = new CheckedRecursiveAction() { |
949 |
protected void realCompute() { |
950 |
AsyncFib g = new AsyncFib(9); |
951 |
assertSame(g, g.fork()); |
952 |
AsyncFib f = new AsyncFib(8); |
953 |
assertSame(f, f.fork()); |
954 |
assertTrue(f.tryUnfork()); |
955 |
helpQuiesce(); |
956 |
checkNotDone(f); |
957 |
checkCompletedNormally(g); |
958 |
}}; |
959 |
testInvokeOnPool(singletonPool(), a); |
960 |
} |
961 |
|
962 |
/** |
963 |
* getSurplusQueuedTaskCount returns > 0 when |
964 |
* there are more tasks than threads |
965 |
*/ |
966 |
public void testGetSurplusQueuedTaskCount() { |
967 |
RecursiveAction a = new CheckedRecursiveAction() { |
968 |
protected void realCompute() { |
969 |
AsyncFib h = new AsyncFib(7); |
970 |
assertSame(h, h.fork()); |
971 |
AsyncFib g = new AsyncFib(9); |
972 |
assertSame(g, g.fork()); |
973 |
AsyncFib f = new AsyncFib(8); |
974 |
assertSame(f, f.fork()); |
975 |
assertTrue(getSurplusQueuedTaskCount() > 0); |
976 |
helpQuiesce(); |
977 |
assertEquals(0, getSurplusQueuedTaskCount()); |
978 |
checkCompletedNormally(f); |
979 |
checkCompletedNormally(g); |
980 |
checkCompletedNormally(h); |
981 |
}}; |
982 |
testInvokeOnPool(singletonPool(), a); |
983 |
} |
984 |
|
985 |
/** |
986 |
* peekNextLocalTask returns most recent unexecuted task. |
987 |
*/ |
988 |
public void testPeekNextLocalTask() { |
989 |
RecursiveAction a = new CheckedRecursiveAction() { |
990 |
protected void realCompute() { |
991 |
AsyncFib g = new AsyncFib(9); |
992 |
assertSame(g, g.fork()); |
993 |
AsyncFib f = new AsyncFib(8); |
994 |
assertSame(f, f.fork()); |
995 |
assertSame(f, peekNextLocalTask()); |
996 |
assertNull(f.join()); |
997 |
checkCompletedNormally(f); |
998 |
helpQuiesce(); |
999 |
checkCompletedNormally(g); |
1000 |
}}; |
1001 |
testInvokeOnPool(singletonPool(), a); |
1002 |
} |
1003 |
|
1004 |
/** |
1005 |
* pollNextLocalTask returns most recent unexecuted task without |
1006 |
* executing it |
1007 |
*/ |
1008 |
public void testPollNextLocalTask() { |
1009 |
RecursiveAction a = new CheckedRecursiveAction() { |
1010 |
protected void realCompute() { |
1011 |
AsyncFib g = new AsyncFib(9); |
1012 |
assertSame(g, g.fork()); |
1013 |
AsyncFib f = new AsyncFib(8); |
1014 |
assertSame(f, f.fork()); |
1015 |
assertSame(f, pollNextLocalTask()); |
1016 |
helpQuiesce(); |
1017 |
checkNotDone(f); |
1018 |
assertEquals(34, g.number); |
1019 |
checkCompletedNormally(g); |
1020 |
}}; |
1021 |
testInvokeOnPool(singletonPool(), a); |
1022 |
} |
1023 |
|
1024 |
/** |
1025 |
* pollTask returns an unexecuted task without executing it |
1026 |
*/ |
1027 |
public void testPollTask() { |
1028 |
RecursiveAction a = new CheckedRecursiveAction() { |
1029 |
protected void realCompute() { |
1030 |
AsyncFib g = new AsyncFib(9); |
1031 |
assertSame(g, g.fork()); |
1032 |
AsyncFib f = new AsyncFib(8); |
1033 |
assertSame(f, f.fork()); |
1034 |
assertSame(f, pollTask()); |
1035 |
helpQuiesce(); |
1036 |
checkNotDone(f); |
1037 |
checkCompletedNormally(g); |
1038 |
}}; |
1039 |
testInvokeOnPool(singletonPool(), a); |
1040 |
} |
1041 |
|
1042 |
/** |
1043 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
1044 |
*/ |
1045 |
public void testPeekNextLocalTaskAsync() { |
1046 |
RecursiveAction a = new CheckedRecursiveAction() { |
1047 |
protected void realCompute() { |
1048 |
AsyncFib g = new AsyncFib(9); |
1049 |
assertSame(g, g.fork()); |
1050 |
AsyncFib f = new AsyncFib(8); |
1051 |
assertSame(f, f.fork()); |
1052 |
assertSame(g, peekNextLocalTask()); |
1053 |
assertNull(f.join()); |
1054 |
helpQuiesce(); |
1055 |
checkCompletedNormally(f); |
1056 |
assertEquals(34, g.number); |
1057 |
checkCompletedNormally(g); |
1058 |
}}; |
1059 |
testInvokeOnPool(asyncSingletonPool(), a); |
1060 |
} |
1061 |
|
1062 |
/** |
1063 |
* pollNextLocalTask returns least recent unexecuted task without |
1064 |
* executing it, in async mode |
1065 |
*/ |
1066 |
public void testPollNextLocalTaskAsync() { |
1067 |
RecursiveAction a = new CheckedRecursiveAction() { |
1068 |
protected void realCompute() { |
1069 |
AsyncFib g = new AsyncFib(9); |
1070 |
assertSame(g, g.fork()); |
1071 |
AsyncFib f = new AsyncFib(8); |
1072 |
assertSame(f, f.fork()); |
1073 |
assertSame(g, pollNextLocalTask()); |
1074 |
helpQuiesce(); |
1075 |
assertEquals(21, f.number); |
1076 |
checkCompletedNormally(f); |
1077 |
checkNotDone(g); |
1078 |
}}; |
1079 |
testInvokeOnPool(asyncSingletonPool(), a); |
1080 |
} |
1081 |
|
1082 |
/** |
1083 |
* pollTask returns an unexecuted task without executing it, in |
1084 |
* async mode |
1085 |
*/ |
1086 |
public void testPollTaskAsync() { |
1087 |
RecursiveAction a = new CheckedRecursiveAction() { |
1088 |
protected void realCompute() { |
1089 |
AsyncFib g = new AsyncFib(9); |
1090 |
assertSame(g, g.fork()); |
1091 |
AsyncFib f = new AsyncFib(8); |
1092 |
assertSame(f, f.fork()); |
1093 |
assertSame(g, pollTask()); |
1094 |
helpQuiesce(); |
1095 |
assertEquals(21, f.number); |
1096 |
checkCompletedNormally(f); |
1097 |
checkNotDone(g); |
1098 |
}}; |
1099 |
testInvokeOnPool(asyncSingletonPool(), a); |
1100 |
} |
1101 |
|
1102 |
// versions for singleton pools |
1103 |
|
1104 |
/** |
1105 |
* invoke returns when task completes normally. |
1106 |
* isCompletedAbnormally and isCancelled return false for normally |
1107 |
* completed tasks; getRawResult returns null. |
1108 |
*/ |
1109 |
public void testInvokeSingleton() { |
1110 |
RecursiveAction a = new CheckedRecursiveAction() { |
1111 |
protected void realCompute() { |
1112 |
AsyncFib f = new AsyncFib(8); |
1113 |
assertNull(f.invoke()); |
1114 |
assertEquals(21, f.number); |
1115 |
checkCompletedNormally(f); |
1116 |
}}; |
1117 |
testInvokeOnPool(singletonPool(), a); |
1118 |
} |
1119 |
|
1120 |
/** |
1121 |
* quietlyInvoke task returns when task completes normally. |
1122 |
* isCompletedAbnormally and isCancelled return false for normally |
1123 |
* completed tasks |
1124 |
*/ |
1125 |
public void testQuietlyInvokeSingleton() { |
1126 |
RecursiveAction a = new CheckedRecursiveAction() { |
1127 |
protected void realCompute() { |
1128 |
AsyncFib f = new AsyncFib(8); |
1129 |
f.quietlyInvoke(); |
1130 |
assertEquals(21, f.number); |
1131 |
checkCompletedNormally(f); |
1132 |
}}; |
1133 |
testInvokeOnPool(singletonPool(), a); |
1134 |
} |
1135 |
|
1136 |
/** |
1137 |
* join of a forked task returns when task completes |
1138 |
*/ |
1139 |
public void testForkJoinSingleton() { |
1140 |
RecursiveAction a = new CheckedRecursiveAction() { |
1141 |
protected void realCompute() { |
1142 |
AsyncFib f = new AsyncFib(8); |
1143 |
assertSame(f, f.fork()); |
1144 |
assertNull(f.join()); |
1145 |
assertEquals(21, f.number); |
1146 |
checkCompletedNormally(f); |
1147 |
}}; |
1148 |
testInvokeOnPool(singletonPool(), a); |
1149 |
} |
1150 |
|
1151 |
/** |
1152 |
* get of a forked task returns when task completes |
1153 |
*/ |
1154 |
public void testForkGetSingleton() { |
1155 |
RecursiveAction a = new CheckedRecursiveAction() { |
1156 |
protected void realCompute() throws Exception { |
1157 |
AsyncFib f = new AsyncFib(8); |
1158 |
assertSame(f, f.fork()); |
1159 |
assertNull(f.get()); |
1160 |
assertEquals(21, f.number); |
1161 |
checkCompletedNormally(f); |
1162 |
}}; |
1163 |
testInvokeOnPool(singletonPool(), a); |
1164 |
} |
1165 |
|
1166 |
/** |
1167 |
* timed get of a forked task returns when task completes |
1168 |
*/ |
1169 |
public void testForkTimedGetSingleton() { |
1170 |
RecursiveAction a = new CheckedRecursiveAction() { |
1171 |
protected void realCompute() throws Exception { |
1172 |
AsyncFib f = new AsyncFib(8); |
1173 |
assertSame(f, f.fork()); |
1174 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
1175 |
assertEquals(21, f.number); |
1176 |
checkCompletedNormally(f); |
1177 |
}}; |
1178 |
testInvokeOnPool(singletonPool(), a); |
1179 |
} |
1180 |
|
1181 |
/** |
1182 |
* timed get with null time unit throws NPE |
1183 |
*/ |
1184 |
public void testForkTimedGetNPESingleton() { |
1185 |
RecursiveAction a = new CheckedRecursiveAction() { |
1186 |
protected void realCompute() throws Exception { |
1187 |
AsyncFib f = new AsyncFib(8); |
1188 |
assertSame(f, f.fork()); |
1189 |
try { |
1190 |
f.get(5L, null); |
1191 |
shouldThrow(); |
1192 |
} catch (NullPointerException success) {} |
1193 |
}}; |
1194 |
testInvokeOnPool(singletonPool(), a); |
1195 |
} |
1196 |
|
1197 |
/** |
1198 |
* quietlyJoin of a forked task returns when task completes |
1199 |
*/ |
1200 |
public void testForkQuietlyJoinSingleton() { |
1201 |
RecursiveAction a = new CheckedRecursiveAction() { |
1202 |
protected void realCompute() { |
1203 |
AsyncFib f = new AsyncFib(8); |
1204 |
assertSame(f, f.fork()); |
1205 |
f.quietlyJoin(); |
1206 |
assertEquals(21, f.number); |
1207 |
checkCompletedNormally(f); |
1208 |
}}; |
1209 |
testInvokeOnPool(singletonPool(), a); |
1210 |
} |
1211 |
|
1212 |
/** |
1213 |
* helpQuiesce returns when tasks are complete. |
1214 |
* getQueuedTaskCount returns 0 when quiescent |
1215 |
*/ |
1216 |
public void testForkHelpQuiesceSingleton() { |
1217 |
RecursiveAction a = new CheckedRecursiveAction() { |
1218 |
protected void realCompute() { |
1219 |
AsyncFib f = new AsyncFib(8); |
1220 |
assertSame(f, f.fork()); |
1221 |
helpQuiesce(); |
1222 |
assertEquals(0, getQueuedTaskCount()); |
1223 |
assertEquals(21, f.number); |
1224 |
checkCompletedNormally(f); |
1225 |
}}; |
1226 |
testInvokeOnPool(singletonPool(), a); |
1227 |
} |
1228 |
|
1229 |
/** |
1230 |
* invoke task throws exception when task completes abnormally |
1231 |
*/ |
1232 |
public void testAbnormalInvokeSingleton() { |
1233 |
RecursiveAction a = new CheckedRecursiveAction() { |
1234 |
protected void realCompute() { |
1235 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1236 |
try { |
1237 |
f.invoke(); |
1238 |
shouldThrow(); |
1239 |
} catch (FJException success) { |
1240 |
checkCompletedAbnormally(f, success); |
1241 |
} |
1242 |
}}; |
1243 |
testInvokeOnPool(singletonPool(), a); |
1244 |
} |
1245 |
|
1246 |
/** |
1247 |
* quietlyInvoke task returns when task completes abnormally |
1248 |
*/ |
1249 |
public void testAbnormalQuietlyInvokeSingleton() { |
1250 |
RecursiveAction a = new CheckedRecursiveAction() { |
1251 |
protected void realCompute() { |
1252 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1253 |
f.quietlyInvoke(); |
1254 |
assertTrue(f.getException() instanceof FJException); |
1255 |
checkCompletedAbnormally(f, f.getException()); |
1256 |
}}; |
1257 |
testInvokeOnPool(singletonPool(), a); |
1258 |
} |
1259 |
|
1260 |
/** |
1261 |
* join of a forked task throws exception when task completes abnormally |
1262 |
*/ |
1263 |
public void testAbnormalForkJoinSingleton() { |
1264 |
RecursiveAction a = new CheckedRecursiveAction() { |
1265 |
protected void realCompute() { |
1266 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1267 |
assertSame(f, f.fork()); |
1268 |
try { |
1269 |
f.join(); |
1270 |
shouldThrow(); |
1271 |
} catch (FJException success) { |
1272 |
checkCompletedAbnormally(f, success); |
1273 |
} |
1274 |
}}; |
1275 |
testInvokeOnPool(singletonPool(), a); |
1276 |
} |
1277 |
|
1278 |
/** |
1279 |
* get of a forked task throws exception when task completes abnormally |
1280 |
*/ |
1281 |
public void testAbnormalForkGetSingleton() { |
1282 |
RecursiveAction a = new CheckedRecursiveAction() { |
1283 |
protected void realCompute() throws Exception { |
1284 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1285 |
assertSame(f, f.fork()); |
1286 |
try { |
1287 |
f.get(); |
1288 |
shouldThrow(); |
1289 |
} catch (ExecutionException success) { |
1290 |
Throwable cause = success.getCause(); |
1291 |
assertTrue(cause instanceof FJException); |
1292 |
checkCompletedAbnormally(f, cause); |
1293 |
} |
1294 |
}}; |
1295 |
testInvokeOnPool(singletonPool(), a); |
1296 |
} |
1297 |
|
1298 |
/** |
1299 |
* timed get of a forked task throws exception when task completes abnormally |
1300 |
*/ |
1301 |
public void testAbnormalForkTimedGetSingleton() { |
1302 |
RecursiveAction a = new CheckedRecursiveAction() { |
1303 |
protected void realCompute() throws Exception { |
1304 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1305 |
assertSame(f, f.fork()); |
1306 |
try { |
1307 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1308 |
shouldThrow(); |
1309 |
} catch (ExecutionException success) { |
1310 |
Throwable cause = success.getCause(); |
1311 |
assertTrue(cause instanceof FJException); |
1312 |
checkCompletedAbnormally(f, cause); |
1313 |
} |
1314 |
}}; |
1315 |
testInvokeOnPool(singletonPool(), a); |
1316 |
} |
1317 |
|
1318 |
/** |
1319 |
* quietlyJoin of a forked task returns when task completes abnormally |
1320 |
*/ |
1321 |
public void testAbnormalForkQuietlyJoinSingleton() { |
1322 |
RecursiveAction a = new CheckedRecursiveAction() { |
1323 |
protected void realCompute() { |
1324 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1325 |
assertSame(f, f.fork()); |
1326 |
f.quietlyJoin(); |
1327 |
assertTrue(f.getException() instanceof FJException); |
1328 |
checkCompletedAbnormally(f, f.getException()); |
1329 |
}}; |
1330 |
testInvokeOnPool(singletonPool(), a); |
1331 |
} |
1332 |
|
1333 |
/** |
1334 |
* invoke task throws exception when task cancelled |
1335 |
*/ |
1336 |
public void testCancelledInvokeSingleton() { |
1337 |
RecursiveAction a = new CheckedRecursiveAction() { |
1338 |
protected void realCompute() { |
1339 |
AsyncFib f = new AsyncFib(8); |
1340 |
assertTrue(f.cancel(true)); |
1341 |
try { |
1342 |
f.invoke(); |
1343 |
shouldThrow(); |
1344 |
} catch (CancellationException success) { |
1345 |
checkCancelled(f); |
1346 |
} |
1347 |
}}; |
1348 |
testInvokeOnPool(singletonPool(), a); |
1349 |
} |
1350 |
|
1351 |
/** |
1352 |
* join of a forked task throws exception when task cancelled |
1353 |
*/ |
1354 |
public void testCancelledForkJoinSingleton() { |
1355 |
RecursiveAction a = new CheckedRecursiveAction() { |
1356 |
protected void realCompute() { |
1357 |
AsyncFib f = new AsyncFib(8); |
1358 |
assertTrue(f.cancel(true)); |
1359 |
assertSame(f, f.fork()); |
1360 |
try { |
1361 |
f.join(); |
1362 |
shouldThrow(); |
1363 |
} catch (CancellationException success) { |
1364 |
checkCancelled(f); |
1365 |
} |
1366 |
}}; |
1367 |
testInvokeOnPool(singletonPool(), a); |
1368 |
} |
1369 |
|
1370 |
/** |
1371 |
* get of a forked task throws exception when task cancelled |
1372 |
*/ |
1373 |
public void testCancelledForkGetSingleton() { |
1374 |
RecursiveAction a = new CheckedRecursiveAction() { |
1375 |
protected void realCompute() throws Exception { |
1376 |
AsyncFib f = new AsyncFib(8); |
1377 |
assertTrue(f.cancel(true)); |
1378 |
assertSame(f, f.fork()); |
1379 |
try { |
1380 |
f.get(); |
1381 |
shouldThrow(); |
1382 |
} catch (CancellationException success) { |
1383 |
checkCancelled(f); |
1384 |
} |
1385 |
}}; |
1386 |
testInvokeOnPool(singletonPool(), a); |
1387 |
} |
1388 |
|
1389 |
/** |
1390 |
* timed get of a forked task throws exception when task cancelled |
1391 |
*/ |
1392 |
public void testCancelledForkTimedGetSingleton() throws Exception { |
1393 |
RecursiveAction a = new CheckedRecursiveAction() { |
1394 |
protected void realCompute() throws Exception { |
1395 |
AsyncFib f = new AsyncFib(8); |
1396 |
assertTrue(f.cancel(true)); |
1397 |
assertSame(f, f.fork()); |
1398 |
try { |
1399 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1400 |
shouldThrow(); |
1401 |
} catch (CancellationException success) { |
1402 |
checkCancelled(f); |
1403 |
} |
1404 |
}}; |
1405 |
testInvokeOnPool(singletonPool(), a); |
1406 |
} |
1407 |
|
1408 |
/** |
1409 |
* quietlyJoin of a forked task returns when task cancelled |
1410 |
*/ |
1411 |
public void testCancelledForkQuietlyJoinSingleton() { |
1412 |
RecursiveAction a = new CheckedRecursiveAction() { |
1413 |
protected void realCompute() { |
1414 |
AsyncFib f = new AsyncFib(8); |
1415 |
assertTrue(f.cancel(true)); |
1416 |
assertSame(f, f.fork()); |
1417 |
f.quietlyJoin(); |
1418 |
checkCancelled(f); |
1419 |
}}; |
1420 |
testInvokeOnPool(singletonPool(), a); |
1421 |
} |
1422 |
|
1423 |
/** |
1424 |
* invoke task throws exception after invoking completeExceptionally |
1425 |
*/ |
1426 |
public void testCompleteExceptionallySingleton() { |
1427 |
RecursiveAction a = new CheckedRecursiveAction() { |
1428 |
protected void realCompute() { |
1429 |
AsyncFib f = new AsyncFib(8); |
1430 |
f.completeExceptionally(new FJException()); |
1431 |
try { |
1432 |
f.invoke(); |
1433 |
shouldThrow(); |
1434 |
} catch (FJException success) { |
1435 |
checkCompletedAbnormally(f, success); |
1436 |
} |
1437 |
}}; |
1438 |
testInvokeOnPool(singletonPool(), a); |
1439 |
} |
1440 |
|
1441 |
/** |
1442 |
* invokeAll(t1, t2) invokes all task arguments |
1443 |
*/ |
1444 |
public void testInvokeAll2Singleton() { |
1445 |
RecursiveAction a = new CheckedRecursiveAction() { |
1446 |
protected void realCompute() { |
1447 |
AsyncFib f = new AsyncFib(8); |
1448 |
AsyncFib g = new AsyncFib(9); |
1449 |
invokeAll(f, g); |
1450 |
assertEquals(21, f.number); |
1451 |
assertEquals(34, g.number); |
1452 |
checkCompletedNormally(f); |
1453 |
checkCompletedNormally(g); |
1454 |
}}; |
1455 |
testInvokeOnPool(singletonPool(), a); |
1456 |
} |
1457 |
|
1458 |
/** |
1459 |
* invokeAll(tasks) with 1 argument invokes task |
1460 |
*/ |
1461 |
public void testInvokeAll1Singleton() { |
1462 |
RecursiveAction a = new CheckedRecursiveAction() { |
1463 |
protected void realCompute() { |
1464 |
AsyncFib f = new AsyncFib(8); |
1465 |
invokeAll(f); |
1466 |
checkCompletedNormally(f); |
1467 |
assertEquals(21, f.number); |
1468 |
}}; |
1469 |
testInvokeOnPool(singletonPool(), a); |
1470 |
} |
1471 |
|
1472 |
/** |
1473 |
* invokeAll(tasks) with > 2 argument invokes tasks |
1474 |
*/ |
1475 |
public void testInvokeAll3Singleton() { |
1476 |
RecursiveAction a = new CheckedRecursiveAction() { |
1477 |
protected void realCompute() { |
1478 |
AsyncFib f = new AsyncFib(8); |
1479 |
AsyncFib g = new AsyncFib(9); |
1480 |
AsyncFib h = new AsyncFib(7); |
1481 |
invokeAll(f, g, h); |
1482 |
assertEquals(21, f.number); |
1483 |
assertEquals(34, g.number); |
1484 |
assertEquals(13, h.number); |
1485 |
checkCompletedNormally(f); |
1486 |
checkCompletedNormally(g); |
1487 |
checkCompletedNormally(h); |
1488 |
}}; |
1489 |
testInvokeOnPool(singletonPool(), a); |
1490 |
} |
1491 |
|
1492 |
/** |
1493 |
* invokeAll(collection) invokes all tasks in the collection |
1494 |
*/ |
1495 |
public void testInvokeAllCollectionSingleton() { |
1496 |
RecursiveAction a = new CheckedRecursiveAction() { |
1497 |
protected void realCompute() { |
1498 |
AsyncFib f = new AsyncFib(8); |
1499 |
AsyncFib g = new AsyncFib(9); |
1500 |
AsyncFib h = new AsyncFib(7); |
1501 |
HashSet set = new HashSet(); |
1502 |
set.add(f); |
1503 |
set.add(g); |
1504 |
set.add(h); |
1505 |
invokeAll(set); |
1506 |
assertEquals(21, f.number); |
1507 |
assertEquals(34, g.number); |
1508 |
assertEquals(13, h.number); |
1509 |
checkCompletedNormally(f); |
1510 |
checkCompletedNormally(g); |
1511 |
checkCompletedNormally(h); |
1512 |
}}; |
1513 |
testInvokeOnPool(singletonPool(), a); |
1514 |
} |
1515 |
|
1516 |
/** |
1517 |
* invokeAll(tasks) with any null task throws NPE |
1518 |
*/ |
1519 |
public void testInvokeAllNPESingleton() { |
1520 |
RecursiveAction a = new CheckedRecursiveAction() { |
1521 |
protected void realCompute() { |
1522 |
AsyncFib f = new AsyncFib(8); |
1523 |
AsyncFib g = new AsyncFib(9); |
1524 |
AsyncFib h = null; |
1525 |
try { |
1526 |
invokeAll(f, g, h); |
1527 |
shouldThrow(); |
1528 |
} catch (NullPointerException success) {} |
1529 |
}}; |
1530 |
testInvokeOnPool(singletonPool(), a); |
1531 |
} |
1532 |
|
1533 |
/** |
1534 |
* invokeAll(t1, t2) throw exception if any task does |
1535 |
*/ |
1536 |
public void testAbnormalInvokeAll2Singleton() { |
1537 |
RecursiveAction a = new CheckedRecursiveAction() { |
1538 |
protected void realCompute() { |
1539 |
AsyncFib f = new AsyncFib(8); |
1540 |
FailingAsyncFib g = new FailingAsyncFib(9); |
1541 |
try { |
1542 |
invokeAll(f, g); |
1543 |
shouldThrow(); |
1544 |
} catch (FJException success) { |
1545 |
checkCompletedAbnormally(g, success); |
1546 |
} |
1547 |
}}; |
1548 |
testInvokeOnPool(singletonPool(), a); |
1549 |
} |
1550 |
|
1551 |
/** |
1552 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1553 |
*/ |
1554 |
public void testAbnormalInvokeAll1Singleton() { |
1555 |
RecursiveAction a = new CheckedRecursiveAction() { |
1556 |
protected void realCompute() { |
1557 |
FailingAsyncFib g = new FailingAsyncFib(9); |
1558 |
try { |
1559 |
invokeAll(g); |
1560 |
shouldThrow(); |
1561 |
} catch (FJException success) { |
1562 |
checkCompletedAbnormally(g, success); |
1563 |
} |
1564 |
}}; |
1565 |
testInvokeOnPool(singletonPool(), a); |
1566 |
} |
1567 |
|
1568 |
/** |
1569 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1570 |
*/ |
1571 |
public void testAbnormalInvokeAll3Singleton() { |
1572 |
RecursiveAction a = new CheckedRecursiveAction() { |
1573 |
protected void realCompute() { |
1574 |
AsyncFib f = new AsyncFib(8); |
1575 |
FailingAsyncFib g = new FailingAsyncFib(9); |
1576 |
AsyncFib h = new AsyncFib(7); |
1577 |
try { |
1578 |
invokeAll(f, g, h); |
1579 |
shouldThrow(); |
1580 |
} catch (FJException success) { |
1581 |
checkCompletedAbnormally(g, success); |
1582 |
} |
1583 |
}}; |
1584 |
testInvokeOnPool(singletonPool(), a); |
1585 |
} |
1586 |
|
1587 |
/** |
1588 |
* invokeAll(collection) throws exception if any task does |
1589 |
*/ |
1590 |
public void testAbnormalInvokeAllCollectionSingleton() { |
1591 |
RecursiveAction a = new CheckedRecursiveAction() { |
1592 |
protected void realCompute() { |
1593 |
FailingAsyncFib f = new FailingAsyncFib(8); |
1594 |
AsyncFib g = new AsyncFib(9); |
1595 |
AsyncFib h = new AsyncFib(7); |
1596 |
HashSet set = new HashSet(); |
1597 |
set.add(f); |
1598 |
set.add(g); |
1599 |
set.add(h); |
1600 |
try { |
1601 |
invokeAll(set); |
1602 |
shouldThrow(); |
1603 |
} catch (FJException success) { |
1604 |
checkCompletedAbnormally(f, success); |
1605 |
} |
1606 |
}}; |
1607 |
testInvokeOnPool(singletonPool(), a); |
1608 |
} |
1609 |
|
1610 |
/** |
1611 |
* ForkJoinTask.quietlyComplete returns when task completes |
1612 |
* normally without setting a value. The most recent value |
1613 |
* established by setRawResult(V) (or null by default) is returned |
1614 |
* from invoke. |
1615 |
*/ |
1616 |
public void testQuietlyComplete() { |
1617 |
RecursiveAction a = new CheckedRecursiveAction() { |
1618 |
protected void realCompute() { |
1619 |
AsyncFib f = new AsyncFib(8); |
1620 |
f.quietlyComplete(); |
1621 |
assertEquals(8, f.number); |
1622 |
checkCompletedNormally(f); |
1623 |
}}; |
1624 |
testInvokeOnPool(mainPool(), a); |
1625 |
} |
1626 |
|
1627 |
} |