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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.*; |
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import java.util.concurrent.atomic.*; |
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import java.util.*; |
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|
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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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junit.textui.TestRunner.run (suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ForkJoinTaskTest.class); |
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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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static final ForkJoinPool mainPool = new ForkJoinPool(); |
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static final ForkJoinPool singletonPool = new ForkJoinPool(1); |
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static final ForkJoinPool asyncSingletonPool = new ForkJoinPool(1); |
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static { |
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asyncSingletonPool.setAsyncMode(true); |
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} |
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|
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static final class FJException extends RuntimeException { |
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FJException() { super(); } |
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} |
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|
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static abstract 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) { |
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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; |
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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(); |
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if (p == null || p.compareAndSetControlState(0, 1)) |
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break; |
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try { |
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p.onComplete(a, s); |
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} catch (Throwable rex) { |
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p.completeExceptionally(rex); |
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return; |
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} |
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a = p; |
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} |
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} |
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|
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public final void completeExceptionally(Throwable ex) { |
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BinaryAsyncAction a = this; |
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while (!a.isCompletedAbnormally()) { |
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a.completeThisExceptionally(ex); |
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BinaryAsyncAction s = a.sibling; |
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if (s != null) |
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s.cancel(false); |
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if (!a.onException() || (a = a.parent) == null) |
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break; |
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} |
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} |
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|
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public final BinaryAsyncAction getParent() { |
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return parent; |
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} |
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|
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public BinaryAsyncAction getSibling() { |
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return sibling; |
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} |
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|
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public void reinitialize() { |
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parent = sibling = null; |
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super.reinitialize(); |
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} |
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|
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protected final int getControlState() { |
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return controlState; |
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} |
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|
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protected final boolean compareAndSetControlState(int expect, |
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int update) { |
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return controlStateUpdater.compareAndSet(this, expect, update); |
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} |
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|
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protected final void setControlState(int value) { |
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controlState = value; |
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} |
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|
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protected final void incrementControlState() { |
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controlStateUpdater.incrementAndGet(this); |
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} |
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|
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protected final void decrementControlState() { |
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controlStateUpdater.decrementAndGet(this); |
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} |
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|
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} |
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|
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static final class AsyncFib extends BinaryAsyncAction { |
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int number; |
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public AsyncFib(int n) { |
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this.number = n; |
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} |
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|
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public final boolean exec() { |
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AsyncFib f = this; |
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int n = f.number; |
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if (n > 1) { |
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while (n > 1) { |
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AsyncFib p = f; |
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AsyncFib r = new AsyncFib(n - 2); |
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f = new AsyncFib(--n); |
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p.linkSubtasks(r, f); |
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r.fork(); |
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} |
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f.number = n; |
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} |
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f.complete(); |
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return false; |
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} |
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|
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protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) { |
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number = ((AsyncFib)x).number + ((AsyncFib)y).number; |
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} |
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} |
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|
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|
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static final class FailingAsyncFib extends BinaryAsyncAction { |
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int number; |
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public FailingAsyncFib(int n) { |
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this.number = n; |
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} |
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|
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public final boolean exec() { |
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FailingAsyncFib f = this; |
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int n = f.number; |
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if (n > 1) { |
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while (n > 1) { |
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FailingAsyncFib p = f; |
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FailingAsyncFib r = new FailingAsyncFib(n - 2); |
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f = new FailingAsyncFib(--n); |
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p.linkSubtasks(r, f); |
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r.fork(); |
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} |
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f.number = n; |
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} |
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f.complete(); |
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return false; |
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} |
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|
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protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) { |
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completeExceptionally(new FJException()); |
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} |
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} |
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|
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/** |
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* invoke returns when task completes normally. |
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* isCompletedAbnormally and isCancelled return false for normally |
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* completed tasks. getRawResult of a RecursiveAction returns null; |
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* |
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*/ |
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public void testInvoke() { |
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RecursiveAction a = new RecursiveAction() { |
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public void compute() { |
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AsyncFib f = new AsyncFib(8); |
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f.invoke(); |
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threadAssertTrue(f.number == 21); |
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threadAssertTrue(f.isDone()); |
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threadAssertFalse(f.isCancelled()); |
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threadAssertFalse(f.isCompletedAbnormally()); |
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threadAssertTrue(f.getRawResult() == null); |
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} |
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}; |
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mainPool.invoke(a); |
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} |
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|
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/** |
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* quietlyInvoke task returns when task completes normally. |
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* isCompletedAbnormally and isCancelled return false for normally |
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* completed tasks |
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*/ |
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public void testQuietlyInvoke() { |
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RecursiveAction a = new RecursiveAction() { |
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public void compute() { |
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AsyncFib f = new AsyncFib(8); |
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f.quietlyInvoke(); |
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threadAssertTrue(f.number == 21); |
240 |
threadAssertTrue(f.isDone()); |
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threadAssertFalse(f.isCancelled()); |
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threadAssertFalse(f.isCompletedAbnormally()); |
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threadAssertTrue(f.getRawResult() == null); |
244 |
} |
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}; |
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mainPool.invoke(a); |
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} |
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|
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/** |
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* join of a forked task returns when task completes |
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*/ |
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public void testForkJoin() { |
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RecursiveAction a = new RecursiveAction() { |
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public void compute() { |
255 |
AsyncFib f = new AsyncFib(8); |
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f.fork(); |
257 |
f.join(); |
258 |
threadAssertTrue(f.number == 21); |
259 |
threadAssertTrue(f.isDone()); |
260 |
threadAssertTrue(f.getRawResult() == null); |
261 |
} |
262 |
}; |
263 |
mainPool.invoke(a); |
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} |
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|
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/** |
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* get of a forked task returns when task completes |
268 |
*/ |
269 |
public void testForkGet() { |
270 |
RecursiveAction a = new RecursiveAction() { |
271 |
public void compute() { |
272 |
try { |
273 |
AsyncFib f = new AsyncFib(8); |
274 |
f.fork(); |
275 |
f.get(); |
276 |
threadAssertTrue(f.number == 21); |
277 |
threadAssertTrue(f.isDone()); |
278 |
} catch (Exception ex) { |
279 |
unexpectedException(ex); |
280 |
} |
281 |
} |
282 |
}; |
283 |
mainPool.invoke(a); |
284 |
} |
285 |
|
286 |
/** |
287 |
* timed get of a forked task returns when task completes |
288 |
*/ |
289 |
public void testForkTimedGet() { |
290 |
RecursiveAction a = new RecursiveAction() { |
291 |
public void compute() { |
292 |
try { |
293 |
AsyncFib f = new AsyncFib(8); |
294 |
f.fork(); |
295 |
f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
296 |
threadAssertTrue(f.number == 21); |
297 |
threadAssertTrue(f.isDone()); |
298 |
} catch (Exception ex) { |
299 |
unexpectedException(ex); |
300 |
} |
301 |
} |
302 |
}; |
303 |
mainPool.invoke(a); |
304 |
} |
305 |
|
306 |
/** |
307 |
* timed get with null time unit throws NPE |
308 |
*/ |
309 |
public void testForkTimedGetNPE() { |
310 |
RecursiveAction a = new RecursiveAction() { |
311 |
public void compute() { |
312 |
try { |
313 |
AsyncFib f = new AsyncFib(8); |
314 |
f.fork(); |
315 |
f.get(5L, null); |
316 |
shouldThrow(); |
317 |
} catch (NullPointerException success) { |
318 |
} catch (Exception ex) { |
319 |
unexpectedException(ex); |
320 |
} |
321 |
} |
322 |
}; |
323 |
mainPool.invoke(a); |
324 |
} |
325 |
|
326 |
/** |
327 |
* helpJoin of a forked task returns when task completes |
328 |
*/ |
329 |
public void testForkHelpJoin() { |
330 |
RecursiveAction a = new RecursiveAction() { |
331 |
public void compute() { |
332 |
AsyncFib f = new AsyncFib(8); |
333 |
f.fork(); |
334 |
f.helpJoin(); |
335 |
threadAssertTrue(f.number == 21); |
336 |
threadAssertTrue(f.isDone()); |
337 |
} |
338 |
}; |
339 |
mainPool.invoke(a); |
340 |
} |
341 |
|
342 |
/** |
343 |
* quietlyJoin of a forked task returns when task completes |
344 |
*/ |
345 |
public void testForkQuietlyJoin() { |
346 |
RecursiveAction a = new RecursiveAction() { |
347 |
public void compute() { |
348 |
AsyncFib f = new AsyncFib(8); |
349 |
f.fork(); |
350 |
f.quietlyJoin(); |
351 |
threadAssertTrue(f.number == 21); |
352 |
threadAssertTrue(f.isDone()); |
353 |
} |
354 |
}; |
355 |
mainPool.invoke(a); |
356 |
} |
357 |
|
358 |
|
359 |
/** |
360 |
* quietlyHelpJoin of a forked task returns when task completes |
361 |
*/ |
362 |
public void testForkQuietlyHelpJoin() { |
363 |
RecursiveAction a = new RecursiveAction() { |
364 |
public void compute() { |
365 |
AsyncFib f = new AsyncFib(8); |
366 |
f.fork(); |
367 |
f.quietlyHelpJoin(); |
368 |
threadAssertTrue(f.number == 21); |
369 |
threadAssertTrue(f.isDone()); |
370 |
} |
371 |
}; |
372 |
mainPool.invoke(a); |
373 |
} |
374 |
|
375 |
|
376 |
/** |
377 |
* helpQuiesce returns when tasks are complete. |
378 |
* getQueuedTaskCount returns 0 when quiescent |
379 |
*/ |
380 |
public void testForkHelpQuiesce() { |
381 |
RecursiveAction a = new RecursiveAction() { |
382 |
public void compute() { |
383 |
AsyncFib f = new AsyncFib(8); |
384 |
f.fork(); |
385 |
f.helpQuiesce(); |
386 |
threadAssertTrue(f.number == 21); |
387 |
threadAssertTrue(f.isDone()); |
388 |
threadAssertTrue(getQueuedTaskCount() == 0); |
389 |
} |
390 |
}; |
391 |
mainPool.invoke(a); |
392 |
} |
393 |
|
394 |
|
395 |
/** |
396 |
* invoke task throws exception when task completes abnormally |
397 |
*/ |
398 |
public void testAbnormalInvoke() { |
399 |
RecursiveAction a = new RecursiveAction() { |
400 |
public void compute() { |
401 |
try { |
402 |
FailingAsyncFib f = new FailingAsyncFib(8); |
403 |
f.invoke(); |
404 |
shouldThrow(); |
405 |
} catch (FJException success) { |
406 |
} |
407 |
} |
408 |
}; |
409 |
mainPool.invoke(a); |
410 |
} |
411 |
|
412 |
/** |
413 |
* quietlyInvoke task returns when task completes abnormally |
414 |
*/ |
415 |
public void testAbnormalQuietlyInvoke() { |
416 |
RecursiveAction a = new RecursiveAction() { |
417 |
public void compute() { |
418 |
FailingAsyncFib f = new FailingAsyncFib(8); |
419 |
f.quietlyInvoke(); |
420 |
threadAssertTrue(f.isDone()); |
421 |
} |
422 |
}; |
423 |
mainPool.invoke(a); |
424 |
} |
425 |
|
426 |
/** |
427 |
* join of a forked task throws exception when task completes abnormally |
428 |
*/ |
429 |
public void testAbnormalForkJoin() { |
430 |
RecursiveAction a = new RecursiveAction() { |
431 |
public void compute() { |
432 |
try { |
433 |
FailingAsyncFib f = new FailingAsyncFib(8); |
434 |
f.fork(); |
435 |
f.join(); |
436 |
shouldThrow(); |
437 |
} catch (FJException success) { |
438 |
} |
439 |
} |
440 |
}; |
441 |
mainPool.invoke(a); |
442 |
} |
443 |
|
444 |
/** |
445 |
* get of a forked task throws exception when task completes abnormally |
446 |
*/ |
447 |
public void testAbnormalForkGet() { |
448 |
RecursiveAction a = new RecursiveAction() { |
449 |
public void compute() { |
450 |
try { |
451 |
FailingAsyncFib f = new FailingAsyncFib(8); |
452 |
f.fork(); |
453 |
f.get(); |
454 |
shouldThrow(); |
455 |
} catch (ExecutionException success) { |
456 |
} catch (Exception ex) { |
457 |
unexpectedException(ex); |
458 |
} |
459 |
} |
460 |
}; |
461 |
mainPool.invoke(a); |
462 |
} |
463 |
|
464 |
/** |
465 |
* timed get of a forked task throws exception when task completes abnormally |
466 |
*/ |
467 |
public void testAbnormalForkTimedGet() { |
468 |
RecursiveAction a = new RecursiveAction() { |
469 |
public void compute() { |
470 |
try { |
471 |
FailingAsyncFib f = new FailingAsyncFib(8); |
472 |
f.fork(); |
473 |
f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
474 |
shouldThrow(); |
475 |
} catch (ExecutionException success) { |
476 |
} catch (Exception ex) { |
477 |
unexpectedException(ex); |
478 |
} |
479 |
} |
480 |
}; |
481 |
mainPool.invoke(a); |
482 |
} |
483 |
|
484 |
/** |
485 |
* join of a forked task throws exception when task completes abnormally |
486 |
*/ |
487 |
public void testAbnormalForkHelpJoin() { |
488 |
RecursiveAction a = new RecursiveAction() { |
489 |
public void compute() { |
490 |
try { |
491 |
FailingAsyncFib f = new FailingAsyncFib(8); |
492 |
f.fork(); |
493 |
f.helpJoin(); |
494 |
shouldThrow(); |
495 |
} catch (FJException success) { |
496 |
} |
497 |
} |
498 |
}; |
499 |
mainPool.invoke(a); |
500 |
} |
501 |
|
502 |
/** |
503 |
* quietlyHelpJoin of a forked task returns when task completes abnormally. |
504 |
* getException of failed task returns its exception. |
505 |
* isCompletedAbnormally of a failed task returns true. |
506 |
* isCancelled of a failed uncancelled task returns false |
507 |
*/ |
508 |
public void testAbnormalForkQuietlyHelpJoin() { |
509 |
RecursiveAction a = new RecursiveAction() { |
510 |
public void compute() { |
511 |
FailingAsyncFib f = new FailingAsyncFib(8); |
512 |
f.fork(); |
513 |
f.quietlyHelpJoin(); |
514 |
threadAssertTrue(f.isDone()); |
515 |
threadAssertTrue(f.isCompletedAbnormally()); |
516 |
threadAssertFalse(f.isCancelled()); |
517 |
threadAssertTrue(f.getException() instanceof FJException); |
518 |
} |
519 |
}; |
520 |
mainPool.invoke(a); |
521 |
} |
522 |
|
523 |
/** |
524 |
* quietlyJoin of a forked task returns when task completes abnormally |
525 |
*/ |
526 |
public void testAbnormalForkQuietlyJoin() { |
527 |
RecursiveAction a = new RecursiveAction() { |
528 |
public void compute() { |
529 |
FailingAsyncFib f = new FailingAsyncFib(8); |
530 |
f.fork(); |
531 |
f.quietlyJoin(); |
532 |
threadAssertTrue(f.isDone()); |
533 |
threadAssertTrue(f.isCompletedAbnormally()); |
534 |
threadAssertTrue(f.getException() instanceof FJException); |
535 |
} |
536 |
}; |
537 |
mainPool.invoke(a); |
538 |
} |
539 |
|
540 |
/** |
541 |
* invoke task throws exception when task cancelled |
542 |
*/ |
543 |
public void testCancelledInvoke() { |
544 |
RecursiveAction a = new RecursiveAction() { |
545 |
public void compute() { |
546 |
try { |
547 |
AsyncFib f = new AsyncFib(8); |
548 |
f.cancel(true); |
549 |
f.invoke(); |
550 |
shouldThrow(); |
551 |
} catch (CancellationException success) { |
552 |
} |
553 |
} |
554 |
}; |
555 |
mainPool.invoke(a); |
556 |
} |
557 |
|
558 |
/** |
559 |
* join of a forked task throws exception when task cancelled |
560 |
*/ |
561 |
public void testCancelledForkJoin() { |
562 |
RecursiveAction a = new RecursiveAction() { |
563 |
public void compute() { |
564 |
try { |
565 |
AsyncFib f = new AsyncFib(8); |
566 |
f.cancel(true); |
567 |
f.fork(); |
568 |
f.join(); |
569 |
shouldThrow(); |
570 |
} catch (CancellationException success) { |
571 |
} |
572 |
} |
573 |
}; |
574 |
mainPool.invoke(a); |
575 |
} |
576 |
|
577 |
/** |
578 |
* get of a forked task throws exception when task cancelled |
579 |
*/ |
580 |
public void testCancelledForkGet() { |
581 |
RecursiveAction a = new RecursiveAction() { |
582 |
public void compute() { |
583 |
try { |
584 |
AsyncFib f = new AsyncFib(8); |
585 |
f.cancel(true); |
586 |
f.fork(); |
587 |
f.get(); |
588 |
shouldThrow(); |
589 |
} catch (CancellationException success) { |
590 |
} catch (Exception ex) { |
591 |
unexpectedException(ex); |
592 |
} |
593 |
} |
594 |
}; |
595 |
mainPool.invoke(a); |
596 |
} |
597 |
|
598 |
/** |
599 |
* timed get of a forked task throws exception when task cancelled |
600 |
*/ |
601 |
public void testCancelledForkTimedGet() { |
602 |
RecursiveAction a = new RecursiveAction() { |
603 |
public void compute() { |
604 |
try { |
605 |
AsyncFib f = new AsyncFib(8); |
606 |
f.cancel(true); |
607 |
f.fork(); |
608 |
f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS); |
609 |
shouldThrow(); |
610 |
} catch (CancellationException success) { |
611 |
} catch (Exception ex) { |
612 |
unexpectedException(ex); |
613 |
} |
614 |
} |
615 |
}; |
616 |
mainPool.invoke(a); |
617 |
} |
618 |
|
619 |
/** |
620 |
* join of a forked task throws exception when task cancelled |
621 |
*/ |
622 |
public void testCancelledForkHelpJoin() { |
623 |
RecursiveAction a = new RecursiveAction() { |
624 |
public void compute() { |
625 |
try { |
626 |
AsyncFib f = new AsyncFib(8); |
627 |
f.cancel(true); |
628 |
f.fork(); |
629 |
f.helpJoin(); |
630 |
shouldThrow(); |
631 |
} catch (CancellationException success) { |
632 |
} |
633 |
} |
634 |
}; |
635 |
mainPool.invoke(a); |
636 |
} |
637 |
|
638 |
/** |
639 |
* quietlyHelpJoin of a forked task returns when task cancelled. |
640 |
* getException of cancelled task returns its exception. |
641 |
* isCompletedAbnormally of a cancelled task returns true. |
642 |
* isCancelled of a cancelled task returns true |
643 |
*/ |
644 |
public void testCancelledForkQuietlyHelpJoin() { |
645 |
RecursiveAction a = new RecursiveAction() { |
646 |
public void compute() { |
647 |
AsyncFib f = new AsyncFib(8); |
648 |
f.cancel(true); |
649 |
f.fork(); |
650 |
f.quietlyHelpJoin(); |
651 |
threadAssertTrue(f.isDone()); |
652 |
threadAssertTrue(f.isCompletedAbnormally()); |
653 |
threadAssertTrue(f.isCancelled()); |
654 |
threadAssertTrue(f.getException() instanceof CancellationException); |
655 |
} |
656 |
}; |
657 |
mainPool.invoke(a); |
658 |
} |
659 |
|
660 |
/** |
661 |
* quietlyJoin of a forked task returns when task cancelled |
662 |
*/ |
663 |
public void testCancelledForkQuietlyJoin() { |
664 |
RecursiveAction a = new RecursiveAction() { |
665 |
public void compute() { |
666 |
AsyncFib f = new AsyncFib(8); |
667 |
f.cancel(true); |
668 |
f.fork(); |
669 |
f.quietlyJoin(); |
670 |
threadAssertTrue(f.isDone()); |
671 |
threadAssertTrue(f.isCompletedAbnormally()); |
672 |
threadAssertTrue(f.getException() instanceof CancellationException); |
673 |
} |
674 |
}; |
675 |
mainPool.invoke(a); |
676 |
} |
677 |
|
678 |
/** |
679 |
* getPool of executing task returns its pool |
680 |
*/ |
681 |
public void testGetPool() { |
682 |
RecursiveAction a = new RecursiveAction() { |
683 |
public void compute() { |
684 |
threadAssertTrue(getPool() == mainPool); |
685 |
} |
686 |
}; |
687 |
mainPool.invoke(a); |
688 |
} |
689 |
|
690 |
/** |
691 |
* getPool of non-FJ task returns null |
692 |
*/ |
693 |
public void testGetPool2() { |
694 |
RecursiveAction a = new RecursiveAction() { |
695 |
public void compute() { |
696 |
threadAssertTrue(getPool() == null); |
697 |
} |
698 |
}; |
699 |
a.invoke(); |
700 |
} |
701 |
|
702 |
/** |
703 |
* inForkJoinPool of executing task returns true |
704 |
*/ |
705 |
public void testInForkJoinPool() { |
706 |
RecursiveAction a = new RecursiveAction() { |
707 |
public void compute() { |
708 |
threadAssertTrue(inForkJoinPool()); |
709 |
} |
710 |
}; |
711 |
mainPool.invoke(a); |
712 |
} |
713 |
|
714 |
/** |
715 |
* inForkJoinPool of non-FJ task returns false |
716 |
*/ |
717 |
public void testInForkJoinPool2() { |
718 |
RecursiveAction a = new RecursiveAction() { |
719 |
public void compute() { |
720 |
threadAssertTrue(!inForkJoinPool()); |
721 |
} |
722 |
}; |
723 |
a.invoke(); |
724 |
} |
725 |
|
726 |
/** |
727 |
* setRawResult(null) succeeds |
728 |
*/ |
729 |
public void testSetRawResult() { |
730 |
RecursiveAction a = new RecursiveAction() { |
731 |
public void compute() { |
732 |
setRawResult(null); |
733 |
} |
734 |
}; |
735 |
a.invoke(); |
736 |
} |
737 |
|
738 |
/** |
739 |
* invoke task throws exception after invoking completeExceptionally |
740 |
*/ |
741 |
public void testCompleteExceptionally() { |
742 |
RecursiveAction a = new RecursiveAction() { |
743 |
public void compute() { |
744 |
try { |
745 |
AsyncFib f = new AsyncFib(8); |
746 |
f.completeExceptionally(new FJException()); |
747 |
f.invoke(); |
748 |
shouldThrow(); |
749 |
} catch (FJException success) { |
750 |
} |
751 |
} |
752 |
}; |
753 |
mainPool.invoke(a); |
754 |
} |
755 |
|
756 |
/** |
757 |
* invokeAll(t1, t2) invokes all task arguments |
758 |
*/ |
759 |
public void testInvokeAll2() { |
760 |
RecursiveAction a = new RecursiveAction() { |
761 |
public void compute() { |
762 |
AsyncFib f = new AsyncFib(8); |
763 |
AsyncFib g = new AsyncFib(9); |
764 |
invokeAll(f, g); |
765 |
threadAssertTrue(f.isDone()); |
766 |
threadAssertTrue(f.number == 21); |
767 |
threadAssertTrue(g.isDone()); |
768 |
threadAssertTrue(g.number == 34); |
769 |
} |
770 |
}; |
771 |
mainPool.invoke(a); |
772 |
} |
773 |
|
774 |
/** |
775 |
* invokeAll(tasks) with 1 argument invokes task |
776 |
*/ |
777 |
public void testInvokeAll1() { |
778 |
RecursiveAction a = new RecursiveAction() { |
779 |
public void compute() { |
780 |
AsyncFib f = new AsyncFib(8); |
781 |
invokeAll(f); |
782 |
threadAssertTrue(f.isDone()); |
783 |
threadAssertTrue(f.number == 21); |
784 |
} |
785 |
}; |
786 |
mainPool.invoke(a); |
787 |
} |
788 |
|
789 |
/** |
790 |
* invokeAll(tasks) with > 2 argument invokes tasks |
791 |
*/ |
792 |
public void testInvokeAll3() { |
793 |
RecursiveAction a = new RecursiveAction() { |
794 |
public void compute() { |
795 |
AsyncFib f = new AsyncFib(8); |
796 |
AsyncFib g = new AsyncFib(9); |
797 |
AsyncFib h = new AsyncFib(7); |
798 |
invokeAll(f, g, h); |
799 |
threadAssertTrue(f.isDone()); |
800 |
threadAssertTrue(f.number == 21); |
801 |
threadAssertTrue(g.isDone()); |
802 |
threadAssertTrue(g.number == 34); |
803 |
threadAssertTrue(h.isDone()); |
804 |
threadAssertTrue(h.number == 13); |
805 |
} |
806 |
}; |
807 |
mainPool.invoke(a); |
808 |
} |
809 |
|
810 |
/** |
811 |
* invokeAll(collection) invokes all tasks in the collection |
812 |
*/ |
813 |
public void testInvokeAllCollection() { |
814 |
RecursiveAction a = new RecursiveAction() { |
815 |
public void compute() { |
816 |
AsyncFib f = new AsyncFib(8); |
817 |
AsyncFib g = new AsyncFib(9); |
818 |
AsyncFib h = new AsyncFib(7); |
819 |
HashSet set = new HashSet(); |
820 |
set.add(f); |
821 |
set.add(g); |
822 |
set.add(h); |
823 |
invokeAll(set); |
824 |
threadAssertTrue(f.isDone()); |
825 |
threadAssertTrue(f.number == 21); |
826 |
threadAssertTrue(g.isDone()); |
827 |
threadAssertTrue(g.number == 34); |
828 |
threadAssertTrue(h.isDone()); |
829 |
threadAssertTrue(h.number == 13); |
830 |
} |
831 |
}; |
832 |
mainPool.invoke(a); |
833 |
} |
834 |
|
835 |
|
836 |
/** |
837 |
* invokeAll(tasks) with any null task throws NPE |
838 |
*/ |
839 |
public void testInvokeAllNPE() { |
840 |
RecursiveAction a = new RecursiveAction() { |
841 |
public void compute() { |
842 |
try { |
843 |
AsyncFib f = new AsyncFib(8); |
844 |
AsyncFib g = new AsyncFib(9); |
845 |
AsyncFib h = null; |
846 |
invokeAll(f, g, h); |
847 |
shouldThrow(); |
848 |
} catch (NullPointerException success) { |
849 |
} |
850 |
} |
851 |
}; |
852 |
mainPool.invoke(a); |
853 |
} |
854 |
|
855 |
/** |
856 |
* invokeAll(t1, t2) throw exception if any task does |
857 |
*/ |
858 |
public void testAbnormalInvokeAll2() { |
859 |
RecursiveAction a = new RecursiveAction() { |
860 |
public void compute() { |
861 |
try { |
862 |
AsyncFib f = new AsyncFib(8); |
863 |
FailingAsyncFib g = new FailingAsyncFib(9); |
864 |
invokeAll(f, g); |
865 |
shouldThrow(); |
866 |
} catch (FJException success) { |
867 |
} |
868 |
} |
869 |
}; |
870 |
mainPool.invoke(a); |
871 |
} |
872 |
|
873 |
/** |
874 |
* invokeAll(tasks) with 1 argument throws exception if task does |
875 |
*/ |
876 |
public void testAbnormalInvokeAll1() { |
877 |
RecursiveAction a = new RecursiveAction() { |
878 |
public void compute() { |
879 |
try { |
880 |
FailingAsyncFib g = new FailingAsyncFib(9); |
881 |
invokeAll(g); |
882 |
shouldThrow(); |
883 |
} catch (FJException success) { |
884 |
} |
885 |
} |
886 |
}; |
887 |
mainPool.invoke(a); |
888 |
} |
889 |
|
890 |
/** |
891 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
892 |
*/ |
893 |
public void testAbnormalInvokeAll3() { |
894 |
RecursiveAction a = new RecursiveAction() { |
895 |
public void compute() { |
896 |
try { |
897 |
AsyncFib f = new AsyncFib(8); |
898 |
FailingAsyncFib g = new FailingAsyncFib(9); |
899 |
AsyncFib h = new AsyncFib(7); |
900 |
invokeAll(f, g, h); |
901 |
shouldThrow(); |
902 |
} catch (FJException success) { |
903 |
} |
904 |
} |
905 |
}; |
906 |
mainPool.invoke(a); |
907 |
} |
908 |
|
909 |
/** |
910 |
* invokeAll(collection) throws exception if any task does |
911 |
*/ |
912 |
public void testAbnormalInvokeAllCollection() { |
913 |
RecursiveAction a = new RecursiveAction() { |
914 |
public void compute() { |
915 |
try { |
916 |
FailingAsyncFib f = new FailingAsyncFib(8); |
917 |
AsyncFib g = new AsyncFib(9); |
918 |
AsyncFib h = new AsyncFib(7); |
919 |
HashSet set = new HashSet(); |
920 |
set.add(f); |
921 |
set.add(g); |
922 |
set.add(h); |
923 |
invokeAll(set); |
924 |
shouldThrow(); |
925 |
} catch (FJException success) { |
926 |
} |
927 |
} |
928 |
}; |
929 |
mainPool.invoke(a); |
930 |
} |
931 |
|
932 |
/** |
933 |
* tryUnfork returns true for most recent unexecuted task, |
934 |
* and suppresses execution |
935 |
*/ |
936 |
public void testTryUnfork() { |
937 |
RecursiveAction a = new RecursiveAction() { |
938 |
public void compute() { |
939 |
AsyncFib g = new AsyncFib(9); |
940 |
g.fork(); |
941 |
AsyncFib f = new AsyncFib(8); |
942 |
f.fork(); |
943 |
threadAssertTrue(f.tryUnfork()); |
944 |
helpQuiesce(); |
945 |
threadAssertFalse(f.isDone()); |
946 |
threadAssertTrue(g.isDone()); |
947 |
} |
948 |
}; |
949 |
singletonPool.invoke(a); |
950 |
} |
951 |
|
952 |
/** |
953 |
* getSurplusQueuedTaskCount returns > 0 when |
954 |
* there are more tasks than threads |
955 |
*/ |
956 |
public void testGetSurplusQueuedTaskCount() { |
957 |
RecursiveAction a = new RecursiveAction() { |
958 |
public void compute() { |
959 |
AsyncFib h = new AsyncFib(7); |
960 |
h.fork(); |
961 |
AsyncFib g = new AsyncFib(9); |
962 |
g.fork(); |
963 |
AsyncFib f = new AsyncFib(8); |
964 |
f.fork(); |
965 |
threadAssertTrue(getSurplusQueuedTaskCount() > 0); |
966 |
helpQuiesce(); |
967 |
} |
968 |
}; |
969 |
singletonPool.invoke(a); |
970 |
} |
971 |
|
972 |
/** |
973 |
* peekNextLocalTask returns most recent unexecuted task. |
974 |
*/ |
975 |
public void testPeekNextLocalTask() { |
976 |
RecursiveAction a = new RecursiveAction() { |
977 |
public void compute() { |
978 |
AsyncFib g = new AsyncFib(9); |
979 |
g.fork(); |
980 |
AsyncFib f = new AsyncFib(8); |
981 |
f.fork(); |
982 |
threadAssertTrue(peekNextLocalTask() == f); |
983 |
f.join(); |
984 |
threadAssertTrue(f.isDone()); |
985 |
helpQuiesce(); |
986 |
} |
987 |
}; |
988 |
singletonPool.invoke(a); |
989 |
} |
990 |
|
991 |
/** |
992 |
* pollNextLocalTask returns most recent unexecuted task |
993 |
* without executing it |
994 |
*/ |
995 |
public void testPollNextLocalTask() { |
996 |
RecursiveAction a = new RecursiveAction() { |
997 |
public void compute() { |
998 |
AsyncFib g = new AsyncFib(9); |
999 |
g.fork(); |
1000 |
AsyncFib f = new AsyncFib(8); |
1001 |
f.fork(); |
1002 |
threadAssertTrue(pollNextLocalTask() == f); |
1003 |
helpQuiesce(); |
1004 |
threadAssertFalse(f.isDone()); |
1005 |
} |
1006 |
}; |
1007 |
singletonPool.invoke(a); |
1008 |
} |
1009 |
|
1010 |
/** |
1011 |
* pollTask returns an unexecuted task |
1012 |
* without executing it |
1013 |
*/ |
1014 |
public void testPollTask() { |
1015 |
RecursiveAction a = new RecursiveAction() { |
1016 |
public void compute() { |
1017 |
AsyncFib g = new AsyncFib(9); |
1018 |
g.fork(); |
1019 |
AsyncFib f = new AsyncFib(8); |
1020 |
f.fork(); |
1021 |
threadAssertTrue(pollTask() == f); |
1022 |
helpQuiesce(); |
1023 |
threadAssertFalse(f.isDone()); |
1024 |
threadAssertTrue(g.isDone()); |
1025 |
} |
1026 |
}; |
1027 |
singletonPool.invoke(a); |
1028 |
} |
1029 |
|
1030 |
/** |
1031 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
1032 |
*/ |
1033 |
public void testPeekNextLocalTaskAsync() { |
1034 |
RecursiveAction a = new RecursiveAction() { |
1035 |
public void compute() { |
1036 |
AsyncFib g = new AsyncFib(9); |
1037 |
g.fork(); |
1038 |
AsyncFib f = new AsyncFib(8); |
1039 |
f.fork(); |
1040 |
threadAssertTrue(peekNextLocalTask() == g); |
1041 |
f.join(); |
1042 |
helpQuiesce(); |
1043 |
threadAssertTrue(f.isDone()); |
1044 |
} |
1045 |
}; |
1046 |
asyncSingletonPool.invoke(a); |
1047 |
} |
1048 |
|
1049 |
/** |
1050 |
* pollNextLocalTask returns least recent unexecuted task |
1051 |
* without executing it, in async mode |
1052 |
*/ |
1053 |
public void testPollNextLocalTaskAsync() { |
1054 |
RecursiveAction a = new RecursiveAction() { |
1055 |
public void compute() { |
1056 |
AsyncFib g = new AsyncFib(9); |
1057 |
g.fork(); |
1058 |
AsyncFib f = new AsyncFib(8); |
1059 |
f.fork(); |
1060 |
threadAssertTrue(pollNextLocalTask() == g); |
1061 |
helpQuiesce(); |
1062 |
threadAssertTrue(f.isDone()); |
1063 |
threadAssertFalse(g.isDone()); |
1064 |
} |
1065 |
}; |
1066 |
asyncSingletonPool.invoke(a); |
1067 |
} |
1068 |
|
1069 |
/** |
1070 |
* pollTask returns an unexecuted task |
1071 |
* without executing it, in async mode |
1072 |
*/ |
1073 |
public void testPollTaskAsync() { |
1074 |
RecursiveAction a = new RecursiveAction() { |
1075 |
public void compute() { |
1076 |
AsyncFib g = new AsyncFib(9); |
1077 |
g.fork(); |
1078 |
AsyncFib f = new AsyncFib(8); |
1079 |
f.fork(); |
1080 |
threadAssertTrue(pollTask() == g); |
1081 |
helpQuiesce(); |
1082 |
threadAssertTrue(f.isDone()); |
1083 |
threadAssertFalse(g.isDone()); |
1084 |
} |
1085 |
}; |
1086 |
asyncSingletonPool.invoke(a); |
1087 |
} |
1088 |
} |