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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/publicdomain/zero/1.0/ |
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*/ |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.CountedCompleter; |
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import java.util.concurrent.ForkJoinWorkerThread; |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicIntegerFieldUpdater; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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import java.util.HashSet; |
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import junit.framework.*; |
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|
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public class CountedCompleterTest 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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|
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public static Test suite() { |
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return new TestSuite(CountedCompleterTest.class); |
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} |
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|
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// Runs with "mainPool" use > 1 thread. singletonPool tests use 1 |
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static final int mainPoolSize = |
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Math.max(2, Runtime.getRuntime().availableProcessors()); |
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|
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/** |
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* Analog of CheckedRunnable for CountedCompleter |
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*/ |
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public abstract class CheckedFJTask extends RecursiveAction { |
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protected abstract void realCompute() throws Throwable; |
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|
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public final void compute() { |
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try { |
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realCompute(); |
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} catch (Throwable t) { |
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threadUnexpectedException(t); |
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} |
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} |
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} |
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|
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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, ForkJoinTask a) { |
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try { |
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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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} finally { |
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joinPool(pool); |
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} |
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} |
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|
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void checkNotDone(CountedCompleter 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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|
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try { |
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a.get(0L, SECONDS); |
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shouldThrow(); |
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} 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(CountedCompleter<T> a) { |
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checkCompletedNormally(a, null); |
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} |
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|
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<T> void checkCompletedNormally(CountedCompleter<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(CountedCompleter 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(CountedCompleter 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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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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static abstract class FailingCCF extends CountedCompleter { |
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int number; |
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int rnumber; |
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|
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public FailingCCF(CountedCompleter parent, int n) { |
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super(parent, 1); |
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this.number = n; |
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} |
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|
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public final void compute() { |
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CountedCompleter p; |
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FailingCCF f = this; |
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int n = number; |
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while (n >= 2) { |
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new RFCCF(f, n - 2).fork(); |
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f = new LFCCF(f, --n); |
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} |
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f.number = n; |
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f.onCompletion(f); |
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if ((p = f.getCompleter()) != null) |
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p.tryComplete(); |
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else |
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f.quietlyComplete(); |
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} |
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} |
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|
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static final class LFCCF extends FailingCCF { |
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public LFCCF(CountedCompleter parent, int n) { |
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super(parent, n); |
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} |
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public final void onCompletion(CountedCompleter caller) { |
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FailingCCF p = (FailingCCF)getCompleter(); |
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int n = number + rnumber; |
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if (p != null) |
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p.number = n; |
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else |
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number = n; |
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} |
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} |
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static final class RFCCF extends FailingCCF { |
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public RFCCF(CountedCompleter parent, int n) { |
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super(parent, n); |
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} |
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public final void onCompletion(CountedCompleter caller) { |
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completeExceptionally(new FJException()); |
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} |
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} |
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|
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static abstract class CCF extends CountedCompleter { |
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int number; |
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int rnumber; |
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|
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public CCF(CountedCompleter parent, int n) { |
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super(parent, 1); |
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this.number = n; |
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} |
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|
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public final void compute() { |
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CountedCompleter p; |
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CCF f = this; |
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int n = number; |
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while (n >= 2) { |
282 |
new RCCF(f, n - 2).fork(); |
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f = new LCCF(f, --n); |
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} |
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f.number = n; |
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f.onCompletion(f); |
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if ((p = f.getCompleter()) != null) |
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p.tryComplete(); |
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else |
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f.quietlyComplete(); |
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} |
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} |
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|
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static final class LCCF extends CCF { |
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public LCCF(CountedCompleter parent, int n) { |
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super(parent, n); |
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} |
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public final void onCompletion(CountedCompleter caller) { |
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CCF p = (CCF)getCompleter(); |
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int n = number + rnumber; |
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if (p != null) |
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p.number = n; |
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else |
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number = n; |
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} |
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} |
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static final class RCCF extends CCF { |
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public RCCF(CountedCompleter parent, int n) { |
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super(parent, n); |
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} |
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public final void onCompletion(CountedCompleter caller) { |
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CCF p = (CCF)getCompleter(); |
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int n = number + rnumber; |
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if (p != null) |
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p.rnumber = n; |
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else |
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number = n; |
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} |
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} |
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|
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static final class NoopCountedCompleter extends CountedCompleter { |
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boolean post; // set true if onCompletion called |
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NoopCountedCompleter() { super(); } |
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NoopCountedCompleter(CountedCompleter p) { super(p); } |
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public void compute() {} |
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public final void onCompletion(CountedCompleter caller) { |
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post = true; |
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} |
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} |
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|
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/** |
332 |
* A newly constructed CountedCompleter is not completed; |
333 |
* complete() causes completion. |
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*/ |
335 |
public void testComplete() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
337 |
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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assertFalse(a.post); |
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a.complete(null); |
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assertTrue(a.post); |
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assertTrue(a.isDone()); |
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assertTrue(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
349 |
assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
352 |
} |
353 |
|
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/** |
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* completeExceptionally completes exceptionally |
356 |
*/ |
357 |
public void testCompleteExceptionally() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
359 |
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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assertFalse(a.post); |
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a.completeExceptionally(new FJException()); |
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assertFalse(a.post); |
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assertTrue(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertTrue(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertTrue(a.getException() instanceof FJException); |
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assertNull(a.getRawResult()); |
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} |
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|
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/** |
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* setPendingCount sets the reported pending count |
378 |
*/ |
379 |
public void testSetPendingCount() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
381 |
assertEquals(0, a.getPendingCount()); |
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a.setPendingCount(1); |
383 |
assertEquals(1, a.getPendingCount()); |
384 |
a.setPendingCount(27); |
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assertEquals(27, a.getPendingCount()); |
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} |
387 |
|
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/** |
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* addToPendingCount adds to the reported pending count |
390 |
*/ |
391 |
public void testAddToPendingCount() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
393 |
assertEquals(0, a.getPendingCount()); |
394 |
a.addToPendingCount(1); |
395 |
assertEquals(1, a.getPendingCount()); |
396 |
a.addToPendingCount(27); |
397 |
assertEquals(28, a.getPendingCount()); |
398 |
} |
399 |
|
400 |
/** |
401 |
* decrementPendingCountUnlessZero decrements reported pending |
402 |
* count unless zero |
403 |
*/ |
404 |
public void testDecrementPendingCount() { |
405 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
406 |
assertEquals(0, a.getPendingCount()); |
407 |
a.addToPendingCount(1); |
408 |
assertEquals(1, a.getPendingCount()); |
409 |
a.decrementPendingCountUnlessZero(); |
410 |
assertEquals(0, a.getPendingCount()); |
411 |
a.decrementPendingCountUnlessZero(); |
412 |
assertEquals(0, a.getPendingCount()); |
413 |
} |
414 |
|
415 |
/** |
416 |
* getCompleter returns parent or null if at root |
417 |
*/ |
418 |
public void testGetCompleter() { |
419 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
420 |
assertNull(a.getCompleter()); |
421 |
CountedCompleter b = new NoopCountedCompleter(a); |
422 |
assertEquals(a, b.getCompleter()); |
423 |
} |
424 |
|
425 |
/** |
426 |
* getRoot returns self if no parent, else parent's root |
427 |
*/ |
428 |
public void testGetRoot() { |
429 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
430 |
NoopCountedCompleter b = new NoopCountedCompleter(a); |
431 |
assertEquals(a, a.getRoot()); |
432 |
assertEquals(a, b.getRoot()); |
433 |
} |
434 |
|
435 |
/** |
436 |
* tryComplete causes completion if pending count is zero |
437 |
*/ |
438 |
public void testTryComplete1() { |
439 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
440 |
assertEquals(0, a.getPendingCount()); |
441 |
a.tryComplete(); |
442 |
assertTrue(a.post); |
443 |
assertTrue(a.isDone()); |
444 |
} |
445 |
|
446 |
/** |
447 |
* propagateCompletion causes completion without invokein |
448 |
* onCompletion if pending count is zero |
449 |
*/ |
450 |
public void testPropagateCompletion() { |
451 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
452 |
assertEquals(0, a.getPendingCount()); |
453 |
a.propagateCompletion(); |
454 |
assertFalse(a.post); |
455 |
assertTrue(a.isDone()); |
456 |
} |
457 |
|
458 |
/** |
459 |
* tryComplete decrments pending count unless zero |
460 |
*/ |
461 |
public void testTryComplete2() { |
462 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
463 |
assertEquals(0, a.getPendingCount()); |
464 |
a.setPendingCount(1); |
465 |
a.tryComplete(); |
466 |
assertFalse(a.post); |
467 |
assertFalse(a.isDone()); |
468 |
assertEquals(0, a.getPendingCount()); |
469 |
a.tryComplete(); |
470 |
assertTrue(a.post); |
471 |
assertTrue(a.isDone()); |
472 |
} |
473 |
|
474 |
/** |
475 |
* firstComplete returns this if pending count is zero else null |
476 |
*/ |
477 |
public void testFirstComplete() { |
478 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
479 |
a.setPendingCount(1); |
480 |
assertNull(a.firstComplete()); |
481 |
assertEquals(a, a.firstComplete()); |
482 |
} |
483 |
|
484 |
/** |
485 |
* firstComplete.nextComplete returns parent if pending count is |
486 |
* zero else null |
487 |
*/ |
488 |
public void testNextComplete() { |
489 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
490 |
NoopCountedCompleter b = new NoopCountedCompleter(a); |
491 |
a.setPendingCount(1); |
492 |
b.setPendingCount(1); |
493 |
assertNull(b.firstComplete()); |
494 |
CountedCompleter c = b.firstComplete(); |
495 |
assertEquals(b, c); |
496 |
CountedCompleter d = c.nextComplete(); |
497 |
assertNull(d); |
498 |
CountedCompleter e = c.nextComplete(); |
499 |
assertEquals(a, e); |
500 |
} |
501 |
|
502 |
/** |
503 |
* quietlyCompleteRoot completes root task |
504 |
*/ |
505 |
public void testQuietlyCompleteRoot() { |
506 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
507 |
NoopCountedCompleter b = new NoopCountedCompleter(a); |
508 |
a.setPendingCount(1); |
509 |
b.setPendingCount(1); |
510 |
b.quietlyCompleteRoot(); |
511 |
assertTrue(a.isDone()); |
512 |
assertFalse(b.isDone()); |
513 |
} |
514 |
|
515 |
/** |
516 |
* invoke returns when task completes normally. |
517 |
* isCompletedAbnormally and isCancelled return false for normally |
518 |
* completed tasks; getRawResult returns null. |
519 |
*/ |
520 |
public void testInvoke() { |
521 |
ForkJoinTask a = new CheckedFJTask() { |
522 |
public void realCompute() { |
523 |
CCF f = new LCCF(null, 8); |
524 |
assertNull(f.invoke()); |
525 |
assertEquals(21, f.number); |
526 |
checkCompletedNormally(f); |
527 |
}}; |
528 |
testInvokeOnPool(mainPool(), a); |
529 |
} |
530 |
|
531 |
/** |
532 |
* quietlyInvoke task returns when task completes normally. |
533 |
* isCompletedAbnormally and isCancelled return false for normally |
534 |
* completed tasks |
535 |
*/ |
536 |
public void testQuietlyInvoke() { |
537 |
ForkJoinTask a = new CheckedFJTask() { |
538 |
public void realCompute() { |
539 |
CCF f = new LCCF(null, 8); |
540 |
f.quietlyInvoke(); |
541 |
assertEquals(21, f.number); |
542 |
checkCompletedNormally(f); |
543 |
}}; |
544 |
testInvokeOnPool(mainPool(), a); |
545 |
} |
546 |
|
547 |
/** |
548 |
* join of a forked task returns when task completes |
549 |
*/ |
550 |
public void testForkJoin() { |
551 |
ForkJoinTask a = new CheckedFJTask() { |
552 |
public void realCompute() { |
553 |
CCF f = new LCCF(null, 8); |
554 |
assertSame(f, f.fork()); |
555 |
assertNull(f.join()); |
556 |
assertEquals(21, f.number); |
557 |
checkCompletedNormally(f); |
558 |
}}; |
559 |
testInvokeOnPool(mainPool(), a); |
560 |
} |
561 |
|
562 |
/** |
563 |
* get of a forked task returns when task completes |
564 |
*/ |
565 |
public void testForkGet() { |
566 |
ForkJoinTask a = new CheckedFJTask() { |
567 |
public void realCompute() throws Exception { |
568 |
CCF f = new LCCF(null, 8); |
569 |
assertSame(f, f.fork()); |
570 |
assertNull(f.get()); |
571 |
assertEquals(21, f.number); |
572 |
checkCompletedNormally(f); |
573 |
}}; |
574 |
testInvokeOnPool(mainPool(), a); |
575 |
} |
576 |
|
577 |
/** |
578 |
* timed get of a forked task returns when task completes |
579 |
*/ |
580 |
public void testForkTimedGet() { |
581 |
ForkJoinTask a = new CheckedFJTask() { |
582 |
public void realCompute() throws Exception { |
583 |
CCF f = new LCCF(null, 8); |
584 |
assertSame(f, f.fork()); |
585 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
586 |
assertEquals(21, f.number); |
587 |
checkCompletedNormally(f); |
588 |
}}; |
589 |
testInvokeOnPool(mainPool(), a); |
590 |
} |
591 |
|
592 |
/** |
593 |
* timed get with null time unit throws NPE |
594 |
*/ |
595 |
public void testForkTimedGetNPE() { |
596 |
ForkJoinTask a = new CheckedFJTask() { |
597 |
public void realCompute() throws Exception { |
598 |
CCF f = new LCCF(null, 8); |
599 |
assertSame(f, f.fork()); |
600 |
try { |
601 |
f.get(5L, null); |
602 |
shouldThrow(); |
603 |
} catch (NullPointerException success) {} |
604 |
}}; |
605 |
testInvokeOnPool(mainPool(), a); |
606 |
} |
607 |
|
608 |
/** |
609 |
* quietlyJoin of a forked task returns when task completes |
610 |
*/ |
611 |
public void testForkQuietlyJoin() { |
612 |
ForkJoinTask a = new CheckedFJTask() { |
613 |
public void realCompute() { |
614 |
CCF f = new LCCF(null, 8); |
615 |
assertSame(f, f.fork()); |
616 |
f.quietlyJoin(); |
617 |
assertEquals(21, f.number); |
618 |
checkCompletedNormally(f); |
619 |
}}; |
620 |
testInvokeOnPool(mainPool(), a); |
621 |
} |
622 |
|
623 |
/** |
624 |
* helpQuiesce returns when tasks are complete. |
625 |
* getQueuedTaskCount returns 0 when quiescent |
626 |
*/ |
627 |
public void testForkHelpQuiesce() { |
628 |
ForkJoinTask a = new CheckedFJTask() { |
629 |
public void realCompute() { |
630 |
CCF f = new LCCF(null, 8); |
631 |
assertSame(f, f.fork()); |
632 |
helpQuiesce(); |
633 |
assertEquals(21, f.number); |
634 |
assertEquals(0, getQueuedTaskCount()); |
635 |
checkCompletedNormally(f); |
636 |
}}; |
637 |
testInvokeOnPool(mainPool(), a); |
638 |
} |
639 |
|
640 |
/** |
641 |
* invoke task throws exception when task completes abnormally |
642 |
*/ |
643 |
public void testAbnormalInvoke() { |
644 |
ForkJoinTask a = new CheckedFJTask() { |
645 |
public void realCompute() { |
646 |
FailingCCF f = new LFCCF(null, 8); |
647 |
try { |
648 |
f.invoke(); |
649 |
shouldThrow(); |
650 |
} catch (FJException success) { |
651 |
checkCompletedAbnormally(f, success); |
652 |
} |
653 |
}}; |
654 |
testInvokeOnPool(mainPool(), a); |
655 |
} |
656 |
|
657 |
/** |
658 |
* quietlyInvoke task returns when task completes abnormally |
659 |
*/ |
660 |
public void testAbnormalQuietlyInvoke() { |
661 |
ForkJoinTask a = new CheckedFJTask() { |
662 |
public void realCompute() { |
663 |
FailingCCF f = new LFCCF(null, 8); |
664 |
f.quietlyInvoke(); |
665 |
assertTrue(f.getException() instanceof FJException); |
666 |
checkCompletedAbnormally(f, f.getException()); |
667 |
}}; |
668 |
testInvokeOnPool(mainPool(), a); |
669 |
} |
670 |
|
671 |
/** |
672 |
* join of a forked task throws exception when task completes abnormally |
673 |
*/ |
674 |
public void testAbnormalForkJoin() { |
675 |
ForkJoinTask a = new CheckedFJTask() { |
676 |
public void realCompute() { |
677 |
FailingCCF f = new LFCCF(null, 8); |
678 |
assertSame(f, f.fork()); |
679 |
try { |
680 |
f.join(); |
681 |
shouldThrow(); |
682 |
} catch (FJException success) { |
683 |
checkCompletedAbnormally(f, success); |
684 |
} |
685 |
}}; |
686 |
testInvokeOnPool(mainPool(), a); |
687 |
} |
688 |
|
689 |
/** |
690 |
* get of a forked task throws exception when task completes abnormally |
691 |
*/ |
692 |
public void testAbnormalForkGet() { |
693 |
ForkJoinTask a = new CheckedFJTask() { |
694 |
public void realCompute() throws Exception { |
695 |
FailingCCF f = new LFCCF(null, 8); |
696 |
assertSame(f, f.fork()); |
697 |
try { |
698 |
f.get(); |
699 |
shouldThrow(); |
700 |
} catch (ExecutionException success) { |
701 |
Throwable cause = success.getCause(); |
702 |
assertTrue(cause instanceof FJException); |
703 |
checkCompletedAbnormally(f, cause); |
704 |
} |
705 |
}}; |
706 |
testInvokeOnPool(mainPool(), a); |
707 |
} |
708 |
|
709 |
/** |
710 |
* timed get of a forked task throws exception when task completes abnormally |
711 |
*/ |
712 |
public void testAbnormalForkTimedGet() { |
713 |
ForkJoinTask a = new CheckedFJTask() { |
714 |
public void realCompute() throws Exception { |
715 |
FailingCCF f = new LFCCF(null, 8); |
716 |
assertSame(f, f.fork()); |
717 |
try { |
718 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
719 |
shouldThrow(); |
720 |
} catch (ExecutionException success) { |
721 |
Throwable cause = success.getCause(); |
722 |
assertTrue(cause instanceof FJException); |
723 |
checkCompletedAbnormally(f, cause); |
724 |
} |
725 |
}}; |
726 |
testInvokeOnPool(mainPool(), a); |
727 |
} |
728 |
|
729 |
/** |
730 |
* quietlyJoin of a forked task returns when task completes abnormally |
731 |
*/ |
732 |
public void testAbnormalForkQuietlyJoin() { |
733 |
ForkJoinTask a = new CheckedFJTask() { |
734 |
public void realCompute() { |
735 |
FailingCCF f = new LFCCF(null, 8); |
736 |
assertSame(f, f.fork()); |
737 |
f.quietlyJoin(); |
738 |
assertTrue(f.getException() instanceof FJException); |
739 |
checkCompletedAbnormally(f, f.getException()); |
740 |
}}; |
741 |
testInvokeOnPool(mainPool(), a); |
742 |
} |
743 |
|
744 |
/** |
745 |
* invoke task throws exception when task cancelled |
746 |
*/ |
747 |
public void testCancelledInvoke() { |
748 |
ForkJoinTask a = new CheckedFJTask() { |
749 |
public void realCompute() { |
750 |
CCF f = new LCCF(null, 8); |
751 |
assertTrue(f.cancel(true)); |
752 |
try { |
753 |
f.invoke(); |
754 |
shouldThrow(); |
755 |
} catch (CancellationException success) { |
756 |
checkCancelled(f); |
757 |
} |
758 |
}}; |
759 |
testInvokeOnPool(mainPool(), a); |
760 |
} |
761 |
|
762 |
/** |
763 |
* join of a forked task throws exception when task cancelled |
764 |
*/ |
765 |
public void testCancelledForkJoin() { |
766 |
ForkJoinTask a = new CheckedFJTask() { |
767 |
public void realCompute() { |
768 |
CCF f = new LCCF(null, 8); |
769 |
assertTrue(f.cancel(true)); |
770 |
assertSame(f, f.fork()); |
771 |
try { |
772 |
f.join(); |
773 |
shouldThrow(); |
774 |
} catch (CancellationException success) { |
775 |
checkCancelled(f); |
776 |
} |
777 |
}}; |
778 |
testInvokeOnPool(mainPool(), a); |
779 |
} |
780 |
|
781 |
/** |
782 |
* get of a forked task throws exception when task cancelled |
783 |
*/ |
784 |
public void testCancelledForkGet() { |
785 |
ForkJoinTask a = new CheckedFJTask() { |
786 |
public void realCompute() throws Exception { |
787 |
CCF f = new LCCF(null, 8); |
788 |
assertTrue(f.cancel(true)); |
789 |
assertSame(f, f.fork()); |
790 |
try { |
791 |
f.get(); |
792 |
shouldThrow(); |
793 |
} catch (CancellationException success) { |
794 |
checkCancelled(f); |
795 |
} |
796 |
}}; |
797 |
testInvokeOnPool(mainPool(), a); |
798 |
} |
799 |
|
800 |
/** |
801 |
* timed get of a forked task throws exception when task cancelled |
802 |
*/ |
803 |
public void testCancelledForkTimedGet() throws Exception { |
804 |
ForkJoinTask a = new CheckedFJTask() { |
805 |
public void realCompute() throws Exception { |
806 |
CCF f = new LCCF(null, 8); |
807 |
assertTrue(f.cancel(true)); |
808 |
assertSame(f, f.fork()); |
809 |
try { |
810 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
811 |
shouldThrow(); |
812 |
} catch (CancellationException success) { |
813 |
checkCancelled(f); |
814 |
} |
815 |
}}; |
816 |
testInvokeOnPool(mainPool(), a); |
817 |
} |
818 |
|
819 |
/** |
820 |
* quietlyJoin of a forked task returns when task cancelled |
821 |
*/ |
822 |
public void testCancelledForkQuietlyJoin() { |
823 |
ForkJoinTask a = new CheckedFJTask() { |
824 |
public void realCompute() { |
825 |
CCF f = new LCCF(null, 8); |
826 |
assertTrue(f.cancel(true)); |
827 |
assertSame(f, f.fork()); |
828 |
f.quietlyJoin(); |
829 |
checkCancelled(f); |
830 |
}}; |
831 |
testInvokeOnPool(mainPool(), a); |
832 |
} |
833 |
|
834 |
/** |
835 |
* getPool of executing task returns its pool |
836 |
*/ |
837 |
public void testGetPool() { |
838 |
final ForkJoinPool mainPool = mainPool(); |
839 |
ForkJoinTask a = new CheckedFJTask() { |
840 |
public void realCompute() { |
841 |
assertSame(mainPool, getPool()); |
842 |
}}; |
843 |
testInvokeOnPool(mainPool, a); |
844 |
} |
845 |
|
846 |
/** |
847 |
* getPool of non-FJ task returns null |
848 |
*/ |
849 |
public void testGetPool2() { |
850 |
ForkJoinTask a = new CheckedFJTask() { |
851 |
public void realCompute() { |
852 |
assertNull(getPool()); |
853 |
}}; |
854 |
assertNull(a.invoke()); |
855 |
} |
856 |
|
857 |
/** |
858 |
* inForkJoinPool of executing task returns true |
859 |
*/ |
860 |
public void testInForkJoinPool() { |
861 |
ForkJoinTask a = new CheckedFJTask() { |
862 |
public void realCompute() { |
863 |
assertTrue(inForkJoinPool()); |
864 |
}}; |
865 |
testInvokeOnPool(mainPool(), a); |
866 |
} |
867 |
|
868 |
/** |
869 |
* inForkJoinPool of non-FJ task returns false |
870 |
*/ |
871 |
public void testInForkJoinPool2() { |
872 |
ForkJoinTask a = new CheckedFJTask() { |
873 |
public void realCompute() { |
874 |
assertFalse(inForkJoinPool()); |
875 |
}}; |
876 |
assertNull(a.invoke()); |
877 |
} |
878 |
|
879 |
/** |
880 |
* setRawResult(null) succeeds |
881 |
*/ |
882 |
public void testSetRawResult() { |
883 |
ForkJoinTask a = new CheckedFJTask() { |
884 |
public void realCompute() { |
885 |
setRawResult(null); |
886 |
assertNull(getRawResult()); |
887 |
}}; |
888 |
assertNull(a.invoke()); |
889 |
} |
890 |
|
891 |
/** |
892 |
* invoke task throws exception after invoking completeExceptionally |
893 |
*/ |
894 |
public void testCompleteExceptionally2() { |
895 |
ForkJoinTask a = new CheckedFJTask() { |
896 |
public void realCompute() { |
897 |
CCF f = new LCCF(null, 8); |
898 |
f.completeExceptionally(new FJException()); |
899 |
try { |
900 |
f.invoke(); |
901 |
shouldThrow(); |
902 |
} catch (FJException success) { |
903 |
checkCompletedAbnormally(f, success); |
904 |
} |
905 |
}}; |
906 |
testInvokeOnPool(mainPool(), a); |
907 |
} |
908 |
|
909 |
/** |
910 |
* invokeAll(t1, t2) invokes all task arguments |
911 |
*/ |
912 |
public void testInvokeAll2() { |
913 |
ForkJoinTask a = new CheckedFJTask() { |
914 |
public void realCompute() { |
915 |
CCF f = new LCCF(null, 8); |
916 |
CCF g = new LCCF(null, 9); |
917 |
invokeAll(f, g); |
918 |
assertEquals(21, f.number); |
919 |
assertEquals(34, g.number); |
920 |
checkCompletedNormally(f); |
921 |
checkCompletedNormally(g); |
922 |
}}; |
923 |
testInvokeOnPool(mainPool(), a); |
924 |
} |
925 |
|
926 |
/** |
927 |
* invokeAll(tasks) with 1 argument invokes task |
928 |
*/ |
929 |
public void testInvokeAll1() { |
930 |
ForkJoinTask a = new CheckedFJTask() { |
931 |
public void realCompute() { |
932 |
CCF f = new LCCF(null, 8); |
933 |
invokeAll(f); |
934 |
checkCompletedNormally(f); |
935 |
assertEquals(21, f.number); |
936 |
}}; |
937 |
testInvokeOnPool(mainPool(), a); |
938 |
} |
939 |
|
940 |
/** |
941 |
* invokeAll(tasks) with > 2 argument invokes tasks |
942 |
*/ |
943 |
public void testInvokeAll3() { |
944 |
ForkJoinTask a = new CheckedFJTask() { |
945 |
public void realCompute() { |
946 |
CCF f = new LCCF(null, 8); |
947 |
CCF g = new LCCF(null, 9); |
948 |
CCF h = new LCCF(null, 7); |
949 |
invokeAll(f, g, h); |
950 |
assertEquals(21, f.number); |
951 |
assertEquals(34, g.number); |
952 |
assertEquals(13, h.number); |
953 |
checkCompletedNormally(f); |
954 |
checkCompletedNormally(g); |
955 |
checkCompletedNormally(h); |
956 |
}}; |
957 |
testInvokeOnPool(mainPool(), a); |
958 |
} |
959 |
|
960 |
/** |
961 |
* invokeAll(collection) invokes all tasks in the collection |
962 |
*/ |
963 |
public void testInvokeAllCollection() { |
964 |
ForkJoinTask a = new CheckedFJTask() { |
965 |
public void realCompute() { |
966 |
CCF f = new LCCF(null, 8); |
967 |
CCF g = new LCCF(null, 9); |
968 |
CCF h = new LCCF(null, 7); |
969 |
HashSet set = new HashSet(); |
970 |
set.add(f); |
971 |
set.add(g); |
972 |
set.add(h); |
973 |
invokeAll(set); |
974 |
assertEquals(21, f.number); |
975 |
assertEquals(34, g.number); |
976 |
assertEquals(13, h.number); |
977 |
checkCompletedNormally(f); |
978 |
checkCompletedNormally(g); |
979 |
checkCompletedNormally(h); |
980 |
}}; |
981 |
testInvokeOnPool(mainPool(), a); |
982 |
} |
983 |
|
984 |
/** |
985 |
* invokeAll(tasks) with any null task throws NPE |
986 |
*/ |
987 |
public void testInvokeAllNPE() { |
988 |
ForkJoinTask a = new CheckedFJTask() { |
989 |
public void realCompute() { |
990 |
CCF f = new LCCF(null, 8); |
991 |
CCF g = new LCCF(null, 9); |
992 |
CCF h = null; |
993 |
try { |
994 |
invokeAll(f, g, h); |
995 |
shouldThrow(); |
996 |
} catch (NullPointerException success) {} |
997 |
}}; |
998 |
testInvokeOnPool(mainPool(), a); |
999 |
} |
1000 |
|
1001 |
/** |
1002 |
* invokeAll(t1, t2) throw exception if any task does |
1003 |
*/ |
1004 |
public void testAbnormalInvokeAll2() { |
1005 |
ForkJoinTask a = new CheckedFJTask() { |
1006 |
public void realCompute() { |
1007 |
CCF f = new LCCF(null, 8); |
1008 |
FailingCCF g = new LFCCF(null, 9); |
1009 |
try { |
1010 |
invokeAll(f, g); |
1011 |
shouldThrow(); |
1012 |
} catch (FJException success) { |
1013 |
checkCompletedAbnormally(g, success); |
1014 |
} |
1015 |
}}; |
1016 |
testInvokeOnPool(mainPool(), a); |
1017 |
} |
1018 |
|
1019 |
/** |
1020 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1021 |
*/ |
1022 |
public void testAbnormalInvokeAll1() { |
1023 |
ForkJoinTask a = new CheckedFJTask() { |
1024 |
public void realCompute() { |
1025 |
FailingCCF g = new LFCCF(null, 9); |
1026 |
try { |
1027 |
invokeAll(g); |
1028 |
shouldThrow(); |
1029 |
} catch (FJException success) { |
1030 |
checkCompletedAbnormally(g, success); |
1031 |
} |
1032 |
}}; |
1033 |
testInvokeOnPool(mainPool(), a); |
1034 |
} |
1035 |
|
1036 |
/** |
1037 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1038 |
*/ |
1039 |
public void testAbnormalInvokeAll3() { |
1040 |
ForkJoinTask a = new CheckedFJTask() { |
1041 |
public void realCompute() { |
1042 |
CCF f = new LCCF(null, 8); |
1043 |
FailingCCF g = new LFCCF(null, 9); |
1044 |
CCF h = new LCCF(null, 7); |
1045 |
try { |
1046 |
invokeAll(f, g, h); |
1047 |
shouldThrow(); |
1048 |
} catch (FJException success) { |
1049 |
checkCompletedAbnormally(g, success); |
1050 |
} |
1051 |
}}; |
1052 |
testInvokeOnPool(mainPool(), a); |
1053 |
} |
1054 |
|
1055 |
/** |
1056 |
* invokeAll(collection) throws exception if any task does |
1057 |
*/ |
1058 |
public void testAbnormalInvokeAllCollection() { |
1059 |
ForkJoinTask a = new CheckedFJTask() { |
1060 |
public void realCompute() { |
1061 |
FailingCCF f = new LFCCF(null, 8); |
1062 |
CCF g = new LCCF(null, 9); |
1063 |
CCF h = new LCCF(null, 7); |
1064 |
HashSet set = new HashSet(); |
1065 |
set.add(f); |
1066 |
set.add(g); |
1067 |
set.add(h); |
1068 |
try { |
1069 |
invokeAll(set); |
1070 |
shouldThrow(); |
1071 |
} catch (FJException success) { |
1072 |
checkCompletedAbnormally(f, success); |
1073 |
} |
1074 |
}}; |
1075 |
testInvokeOnPool(mainPool(), a); |
1076 |
} |
1077 |
|
1078 |
/** |
1079 |
* tryUnfork returns true for most recent unexecuted task, |
1080 |
* and suppresses execution |
1081 |
*/ |
1082 |
public void testTryUnfork() { |
1083 |
ForkJoinTask a = new CheckedFJTask() { |
1084 |
public void realCompute() { |
1085 |
CCF g = new LCCF(null, 9); |
1086 |
assertSame(g, g.fork()); |
1087 |
CCF f = new LCCF(null, 8); |
1088 |
assertSame(f, f.fork()); |
1089 |
assertTrue(f.tryUnfork()); |
1090 |
helpQuiesce(); |
1091 |
checkNotDone(f); |
1092 |
checkCompletedNormally(g); |
1093 |
}}; |
1094 |
testInvokeOnPool(singletonPool(), a); |
1095 |
} |
1096 |
|
1097 |
/** |
1098 |
* getSurplusQueuedTaskCount returns > 0 when |
1099 |
* there are more tasks than threads |
1100 |
*/ |
1101 |
public void testGetSurplusQueuedTaskCount() { |
1102 |
ForkJoinTask a = new CheckedFJTask() { |
1103 |
public void realCompute() { |
1104 |
CCF h = new LCCF(null, 7); |
1105 |
assertSame(h, h.fork()); |
1106 |
CCF g = new LCCF(null, 9); |
1107 |
assertSame(g, g.fork()); |
1108 |
CCF f = new LCCF(null, 8); |
1109 |
assertSame(f, f.fork()); |
1110 |
assertTrue(getSurplusQueuedTaskCount() > 0); |
1111 |
helpQuiesce(); |
1112 |
assertEquals(0, getSurplusQueuedTaskCount()); |
1113 |
checkCompletedNormally(f); |
1114 |
checkCompletedNormally(g); |
1115 |
checkCompletedNormally(h); |
1116 |
}}; |
1117 |
testInvokeOnPool(singletonPool(), a); |
1118 |
} |
1119 |
|
1120 |
/** |
1121 |
* peekNextLocalTask returns most recent unexecuted task. |
1122 |
*/ |
1123 |
public void testPeekNextLocalTask() { |
1124 |
ForkJoinTask a = new CheckedFJTask() { |
1125 |
public void realCompute() { |
1126 |
CCF g = new LCCF(null, 9); |
1127 |
assertSame(g, g.fork()); |
1128 |
CCF f = new LCCF(null, 8); |
1129 |
assertSame(f, f.fork()); |
1130 |
assertSame(f, peekNextLocalTask()); |
1131 |
assertNull(f.join()); |
1132 |
checkCompletedNormally(f); |
1133 |
helpQuiesce(); |
1134 |
checkCompletedNormally(g); |
1135 |
}}; |
1136 |
testInvokeOnPool(singletonPool(), a); |
1137 |
} |
1138 |
|
1139 |
/** |
1140 |
* pollNextLocalTask returns most recent unexecuted task without |
1141 |
* executing it |
1142 |
*/ |
1143 |
public void testPollNextLocalTask() { |
1144 |
ForkJoinTask a = new CheckedFJTask() { |
1145 |
public void realCompute() { |
1146 |
CCF g = new LCCF(null, 9); |
1147 |
assertSame(g, g.fork()); |
1148 |
CCF f = new LCCF(null, 8); |
1149 |
assertSame(f, f.fork()); |
1150 |
assertSame(f, pollNextLocalTask()); |
1151 |
helpQuiesce(); |
1152 |
checkNotDone(f); |
1153 |
assertEquals(34, g.number); |
1154 |
checkCompletedNormally(g); |
1155 |
}}; |
1156 |
testInvokeOnPool(singletonPool(), a); |
1157 |
} |
1158 |
|
1159 |
/** |
1160 |
* pollTask returns an unexecuted task without executing it |
1161 |
*/ |
1162 |
public void testPollTask() { |
1163 |
ForkJoinTask a = new CheckedFJTask() { |
1164 |
public void realCompute() { |
1165 |
CCF g = new LCCF(null, 9); |
1166 |
assertSame(g, g.fork()); |
1167 |
CCF f = new LCCF(null, 8); |
1168 |
assertSame(f, f.fork()); |
1169 |
assertSame(f, pollTask()); |
1170 |
helpQuiesce(); |
1171 |
checkNotDone(f); |
1172 |
checkCompletedNormally(g); |
1173 |
}}; |
1174 |
testInvokeOnPool(singletonPool(), a); |
1175 |
} |
1176 |
|
1177 |
/** |
1178 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
1179 |
*/ |
1180 |
public void testPeekNextLocalTaskAsync() { |
1181 |
ForkJoinTask a = new CheckedFJTask() { |
1182 |
public void realCompute() { |
1183 |
CCF g = new LCCF(null, 9); |
1184 |
assertSame(g, g.fork()); |
1185 |
CCF f = new LCCF(null, 8); |
1186 |
assertSame(f, f.fork()); |
1187 |
assertSame(g, peekNextLocalTask()); |
1188 |
assertNull(f.join()); |
1189 |
helpQuiesce(); |
1190 |
checkCompletedNormally(f); |
1191 |
assertEquals(34, g.number); |
1192 |
checkCompletedNormally(g); |
1193 |
}}; |
1194 |
testInvokeOnPool(asyncSingletonPool(), a); |
1195 |
} |
1196 |
|
1197 |
/** |
1198 |
* pollNextLocalTask returns least recent unexecuted task without |
1199 |
* executing it, in async mode |
1200 |
*/ |
1201 |
public void testPollNextLocalTaskAsync() { |
1202 |
ForkJoinTask a = new CheckedFJTask() { |
1203 |
public void realCompute() { |
1204 |
CCF g = new LCCF(null, 9); |
1205 |
assertSame(g, g.fork()); |
1206 |
CCF f = new LCCF(null, 8); |
1207 |
assertSame(f, f.fork()); |
1208 |
assertSame(g, pollNextLocalTask()); |
1209 |
helpQuiesce(); |
1210 |
assertEquals(21, f.number); |
1211 |
checkCompletedNormally(f); |
1212 |
checkNotDone(g); |
1213 |
}}; |
1214 |
testInvokeOnPool(asyncSingletonPool(), a); |
1215 |
} |
1216 |
|
1217 |
/** |
1218 |
* pollTask returns an unexecuted task without executing it, in |
1219 |
* async mode |
1220 |
*/ |
1221 |
public void testPollTaskAsync() { |
1222 |
ForkJoinTask a = new CheckedFJTask() { |
1223 |
public void realCompute() { |
1224 |
CCF g = new LCCF(null, 9); |
1225 |
assertSame(g, g.fork()); |
1226 |
CCF f = new LCCF(null, 8); |
1227 |
assertSame(f, f.fork()); |
1228 |
assertSame(g, pollTask()); |
1229 |
helpQuiesce(); |
1230 |
assertEquals(21, f.number); |
1231 |
checkCompletedNormally(f); |
1232 |
checkNotDone(g); |
1233 |
}}; |
1234 |
testInvokeOnPool(asyncSingletonPool(), a); |
1235 |
} |
1236 |
|
1237 |
// versions for singleton pools |
1238 |
|
1239 |
/** |
1240 |
* invoke returns when task completes normally. |
1241 |
* isCompletedAbnormally and isCancelled return false for normally |
1242 |
* completed tasks; getRawResult returns null. |
1243 |
*/ |
1244 |
public void testInvokeSingleton() { |
1245 |
ForkJoinTask a = new CheckedFJTask() { |
1246 |
public void realCompute() { |
1247 |
CCF f = new LCCF(null, 8); |
1248 |
assertNull(f.invoke()); |
1249 |
assertEquals(21, f.number); |
1250 |
checkCompletedNormally(f); |
1251 |
}}; |
1252 |
testInvokeOnPool(singletonPool(), a); |
1253 |
} |
1254 |
|
1255 |
/** |
1256 |
* quietlyInvoke task returns when task completes normally. |
1257 |
* isCompletedAbnormally and isCancelled return false for normally |
1258 |
* completed tasks |
1259 |
*/ |
1260 |
public void testQuietlyInvokeSingleton() { |
1261 |
ForkJoinTask a = new CheckedFJTask() { |
1262 |
public void realCompute() { |
1263 |
CCF f = new LCCF(null, 8); |
1264 |
f.quietlyInvoke(); |
1265 |
assertEquals(21, f.number); |
1266 |
checkCompletedNormally(f); |
1267 |
}}; |
1268 |
testInvokeOnPool(singletonPool(), a); |
1269 |
} |
1270 |
|
1271 |
/** |
1272 |
* join of a forked task returns when task completes |
1273 |
*/ |
1274 |
public void testForkJoinSingleton() { |
1275 |
ForkJoinTask a = new CheckedFJTask() { |
1276 |
public void realCompute() { |
1277 |
CCF f = new LCCF(null, 8); |
1278 |
assertSame(f, f.fork()); |
1279 |
assertNull(f.join()); |
1280 |
assertEquals(21, f.number); |
1281 |
checkCompletedNormally(f); |
1282 |
}}; |
1283 |
testInvokeOnPool(singletonPool(), a); |
1284 |
} |
1285 |
|
1286 |
/** |
1287 |
* get of a forked task returns when task completes |
1288 |
*/ |
1289 |
public void testForkGetSingleton() { |
1290 |
ForkJoinTask a = new CheckedFJTask() { |
1291 |
public void realCompute() throws Exception { |
1292 |
CCF f = new LCCF(null, 8); |
1293 |
assertSame(f, f.fork()); |
1294 |
assertNull(f.get()); |
1295 |
assertEquals(21, f.number); |
1296 |
checkCompletedNormally(f); |
1297 |
}}; |
1298 |
testInvokeOnPool(singletonPool(), a); |
1299 |
} |
1300 |
|
1301 |
/** |
1302 |
* timed get of a forked task returns when task completes |
1303 |
*/ |
1304 |
public void testForkTimedGetSingleton() { |
1305 |
ForkJoinTask a = new CheckedFJTask() { |
1306 |
public void realCompute() throws Exception { |
1307 |
CCF f = new LCCF(null, 8); |
1308 |
assertSame(f, f.fork()); |
1309 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
1310 |
assertEquals(21, f.number); |
1311 |
checkCompletedNormally(f); |
1312 |
}}; |
1313 |
testInvokeOnPool(singletonPool(), a); |
1314 |
} |
1315 |
|
1316 |
/** |
1317 |
* timed get with null time unit throws NPE |
1318 |
*/ |
1319 |
public void testForkTimedGetNPESingleton() { |
1320 |
ForkJoinTask a = new CheckedFJTask() { |
1321 |
public void realCompute() throws Exception { |
1322 |
CCF f = new LCCF(null, 8); |
1323 |
assertSame(f, f.fork()); |
1324 |
try { |
1325 |
f.get(5L, null); |
1326 |
shouldThrow(); |
1327 |
} catch (NullPointerException success) {} |
1328 |
}}; |
1329 |
testInvokeOnPool(singletonPool(), a); |
1330 |
} |
1331 |
|
1332 |
/** |
1333 |
* quietlyJoin of a forked task returns when task completes |
1334 |
*/ |
1335 |
public void testForkQuietlyJoinSingleton() { |
1336 |
ForkJoinTask a = new CheckedFJTask() { |
1337 |
public void realCompute() { |
1338 |
CCF f = new LCCF(null, 8); |
1339 |
assertSame(f, f.fork()); |
1340 |
f.quietlyJoin(); |
1341 |
assertEquals(21, f.number); |
1342 |
checkCompletedNormally(f); |
1343 |
}}; |
1344 |
testInvokeOnPool(singletonPool(), a); |
1345 |
} |
1346 |
|
1347 |
/** |
1348 |
* helpQuiesce returns when tasks are complete. |
1349 |
* getQueuedTaskCount returns 0 when quiescent |
1350 |
*/ |
1351 |
public void testForkHelpQuiesceSingleton() { |
1352 |
ForkJoinTask a = new CheckedFJTask() { |
1353 |
public void realCompute() { |
1354 |
CCF f = new LCCF(null, 8); |
1355 |
assertSame(f, f.fork()); |
1356 |
helpQuiesce(); |
1357 |
assertEquals(0, getQueuedTaskCount()); |
1358 |
assertEquals(21, f.number); |
1359 |
checkCompletedNormally(f); |
1360 |
}}; |
1361 |
testInvokeOnPool(singletonPool(), a); |
1362 |
} |
1363 |
|
1364 |
/** |
1365 |
* invoke task throws exception when task completes abnormally |
1366 |
*/ |
1367 |
public void testAbnormalInvokeSingleton() { |
1368 |
ForkJoinTask a = new CheckedFJTask() { |
1369 |
public void realCompute() { |
1370 |
FailingCCF f = new LFCCF(null, 8); |
1371 |
try { |
1372 |
f.invoke(); |
1373 |
shouldThrow(); |
1374 |
} catch (FJException success) { |
1375 |
checkCompletedAbnormally(f, success); |
1376 |
} |
1377 |
}}; |
1378 |
testInvokeOnPool(singletonPool(), a); |
1379 |
} |
1380 |
|
1381 |
/** |
1382 |
* quietlyInvoke task returns when task completes abnormally |
1383 |
*/ |
1384 |
public void testAbnormalQuietlyInvokeSingleton() { |
1385 |
ForkJoinTask a = new CheckedFJTask() { |
1386 |
public void realCompute() { |
1387 |
FailingCCF f = new LFCCF(null, 8); |
1388 |
f.quietlyInvoke(); |
1389 |
assertTrue(f.getException() instanceof FJException); |
1390 |
checkCompletedAbnormally(f, f.getException()); |
1391 |
}}; |
1392 |
testInvokeOnPool(singletonPool(), a); |
1393 |
} |
1394 |
|
1395 |
/** |
1396 |
* join of a forked task throws exception when task completes abnormally |
1397 |
*/ |
1398 |
public void testAbnormalForkJoinSingleton() { |
1399 |
ForkJoinTask a = new CheckedFJTask() { |
1400 |
public void realCompute() { |
1401 |
FailingCCF f = new LFCCF(null, 8); |
1402 |
assertSame(f, f.fork()); |
1403 |
try { |
1404 |
f.join(); |
1405 |
shouldThrow(); |
1406 |
} catch (FJException success) { |
1407 |
checkCompletedAbnormally(f, success); |
1408 |
} |
1409 |
}}; |
1410 |
testInvokeOnPool(singletonPool(), a); |
1411 |
} |
1412 |
|
1413 |
/** |
1414 |
* get of a forked task throws exception when task completes abnormally |
1415 |
*/ |
1416 |
public void testAbnormalForkGetSingleton() { |
1417 |
ForkJoinTask a = new CheckedFJTask() { |
1418 |
public void realCompute() throws Exception { |
1419 |
FailingCCF f = new LFCCF(null, 8); |
1420 |
assertSame(f, f.fork()); |
1421 |
try { |
1422 |
f.get(); |
1423 |
shouldThrow(); |
1424 |
} catch (ExecutionException success) { |
1425 |
Throwable cause = success.getCause(); |
1426 |
assertTrue(cause instanceof FJException); |
1427 |
checkCompletedAbnormally(f, cause); |
1428 |
} |
1429 |
}}; |
1430 |
testInvokeOnPool(singletonPool(), a); |
1431 |
} |
1432 |
|
1433 |
/** |
1434 |
* timed get of a forked task throws exception when task completes abnormally |
1435 |
*/ |
1436 |
public void testAbnormalForkTimedGetSingleton() { |
1437 |
ForkJoinTask a = new CheckedFJTask() { |
1438 |
public void realCompute() throws Exception { |
1439 |
FailingCCF f = new LFCCF(null, 8); |
1440 |
assertSame(f, f.fork()); |
1441 |
try { |
1442 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1443 |
shouldThrow(); |
1444 |
} catch (ExecutionException success) { |
1445 |
Throwable cause = success.getCause(); |
1446 |
assertTrue(cause instanceof FJException); |
1447 |
checkCompletedAbnormally(f, cause); |
1448 |
} |
1449 |
}}; |
1450 |
testInvokeOnPool(singletonPool(), a); |
1451 |
} |
1452 |
|
1453 |
/** |
1454 |
* quietlyJoin of a forked task returns when task completes abnormally |
1455 |
*/ |
1456 |
public void testAbnormalForkQuietlyJoinSingleton() { |
1457 |
ForkJoinTask a = new CheckedFJTask() { |
1458 |
public void realCompute() { |
1459 |
FailingCCF f = new LFCCF(null, 8); |
1460 |
assertSame(f, f.fork()); |
1461 |
f.quietlyJoin(); |
1462 |
assertTrue(f.getException() instanceof FJException); |
1463 |
checkCompletedAbnormally(f, f.getException()); |
1464 |
}}; |
1465 |
testInvokeOnPool(singletonPool(), a); |
1466 |
} |
1467 |
|
1468 |
/** |
1469 |
* invoke task throws exception when task cancelled |
1470 |
*/ |
1471 |
public void testCancelledInvokeSingleton() { |
1472 |
ForkJoinTask a = new CheckedFJTask() { |
1473 |
public void realCompute() { |
1474 |
CCF f = new LCCF(null, 8); |
1475 |
assertTrue(f.cancel(true)); |
1476 |
try { |
1477 |
f.invoke(); |
1478 |
shouldThrow(); |
1479 |
} catch (CancellationException success) { |
1480 |
checkCancelled(f); |
1481 |
} |
1482 |
}}; |
1483 |
testInvokeOnPool(singletonPool(), a); |
1484 |
} |
1485 |
|
1486 |
/** |
1487 |
* join of a forked task throws exception when task cancelled |
1488 |
*/ |
1489 |
public void testCancelledForkJoinSingleton() { |
1490 |
ForkJoinTask a = new CheckedFJTask() { |
1491 |
public void realCompute() { |
1492 |
CCF f = new LCCF(null, 8); |
1493 |
assertTrue(f.cancel(true)); |
1494 |
assertSame(f, f.fork()); |
1495 |
try { |
1496 |
f.join(); |
1497 |
shouldThrow(); |
1498 |
} catch (CancellationException success) { |
1499 |
checkCancelled(f); |
1500 |
} |
1501 |
}}; |
1502 |
testInvokeOnPool(singletonPool(), a); |
1503 |
} |
1504 |
|
1505 |
/** |
1506 |
* get of a forked task throws exception when task cancelled |
1507 |
*/ |
1508 |
public void testCancelledForkGetSingleton() { |
1509 |
ForkJoinTask a = new CheckedFJTask() { |
1510 |
public void realCompute() throws Exception { |
1511 |
CCF f = new LCCF(null, 8); |
1512 |
assertTrue(f.cancel(true)); |
1513 |
assertSame(f, f.fork()); |
1514 |
try { |
1515 |
f.get(); |
1516 |
shouldThrow(); |
1517 |
} catch (CancellationException success) { |
1518 |
checkCancelled(f); |
1519 |
} |
1520 |
}}; |
1521 |
testInvokeOnPool(singletonPool(), a); |
1522 |
} |
1523 |
|
1524 |
/** |
1525 |
* timed get of a forked task throws exception when task cancelled |
1526 |
*/ |
1527 |
public void testCancelledForkTimedGetSingleton() throws Exception { |
1528 |
ForkJoinTask a = new CheckedFJTask() { |
1529 |
public void realCompute() throws Exception { |
1530 |
CCF f = new LCCF(null, 8); |
1531 |
assertTrue(f.cancel(true)); |
1532 |
assertSame(f, f.fork()); |
1533 |
try { |
1534 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1535 |
shouldThrow(); |
1536 |
} catch (CancellationException success) { |
1537 |
checkCancelled(f); |
1538 |
} |
1539 |
}}; |
1540 |
testInvokeOnPool(singletonPool(), a); |
1541 |
} |
1542 |
|
1543 |
/** |
1544 |
* quietlyJoin of a forked task returns when task cancelled |
1545 |
*/ |
1546 |
public void testCancelledForkQuietlyJoinSingleton() { |
1547 |
ForkJoinTask a = new CheckedFJTask() { |
1548 |
public void realCompute() { |
1549 |
CCF f = new LCCF(null, 8); |
1550 |
assertTrue(f.cancel(true)); |
1551 |
assertSame(f, f.fork()); |
1552 |
f.quietlyJoin(); |
1553 |
checkCancelled(f); |
1554 |
}}; |
1555 |
testInvokeOnPool(singletonPool(), a); |
1556 |
} |
1557 |
|
1558 |
/** |
1559 |
* invoke task throws exception after invoking completeExceptionally |
1560 |
*/ |
1561 |
public void testCompleteExceptionallySingleton() { |
1562 |
ForkJoinTask a = new CheckedFJTask() { |
1563 |
public void realCompute() { |
1564 |
CCF f = new LCCF(null, 8); |
1565 |
f.completeExceptionally(new FJException()); |
1566 |
try { |
1567 |
f.invoke(); |
1568 |
shouldThrow(); |
1569 |
} catch (FJException success) { |
1570 |
checkCompletedAbnormally(f, success); |
1571 |
} |
1572 |
}}; |
1573 |
testInvokeOnPool(singletonPool(), a); |
1574 |
} |
1575 |
|
1576 |
/** |
1577 |
* invokeAll(t1, t2) invokes all task arguments |
1578 |
*/ |
1579 |
public void testInvokeAll2Singleton() { |
1580 |
ForkJoinTask a = new CheckedFJTask() { |
1581 |
public void realCompute() { |
1582 |
CCF f = new LCCF(null, 8); |
1583 |
CCF g = new LCCF(null, 9); |
1584 |
invokeAll(f, g); |
1585 |
assertEquals(21, f.number); |
1586 |
assertEquals(34, g.number); |
1587 |
checkCompletedNormally(f); |
1588 |
checkCompletedNormally(g); |
1589 |
}}; |
1590 |
testInvokeOnPool(singletonPool(), a); |
1591 |
} |
1592 |
|
1593 |
/** |
1594 |
* invokeAll(tasks) with 1 argument invokes task |
1595 |
*/ |
1596 |
public void testInvokeAll1Singleton() { |
1597 |
ForkJoinTask a = new CheckedFJTask() { |
1598 |
public void realCompute() { |
1599 |
CCF f = new LCCF(null, 8); |
1600 |
invokeAll(f); |
1601 |
checkCompletedNormally(f); |
1602 |
assertEquals(21, f.number); |
1603 |
}}; |
1604 |
testInvokeOnPool(singletonPool(), a); |
1605 |
} |
1606 |
|
1607 |
/** |
1608 |
* invokeAll(tasks) with > 2 argument invokes tasks |
1609 |
*/ |
1610 |
public void testInvokeAll3Singleton() { |
1611 |
ForkJoinTask a = new CheckedFJTask() { |
1612 |
public void realCompute() { |
1613 |
CCF f = new LCCF(null, 8); |
1614 |
CCF g = new LCCF(null, 9); |
1615 |
CCF h = new LCCF(null, 7); |
1616 |
invokeAll(f, g, h); |
1617 |
assertEquals(21, f.number); |
1618 |
assertEquals(34, g.number); |
1619 |
assertEquals(13, h.number); |
1620 |
checkCompletedNormally(f); |
1621 |
checkCompletedNormally(g); |
1622 |
checkCompletedNormally(h); |
1623 |
}}; |
1624 |
testInvokeOnPool(singletonPool(), a); |
1625 |
} |
1626 |
|
1627 |
/** |
1628 |
* invokeAll(collection) invokes all tasks in the collection |
1629 |
*/ |
1630 |
public void testInvokeAllCollectionSingleton() { |
1631 |
ForkJoinTask a = new CheckedFJTask() { |
1632 |
public void realCompute() { |
1633 |
CCF f = new LCCF(null, 8); |
1634 |
CCF g = new LCCF(null, 9); |
1635 |
CCF h = new LCCF(null, 7); |
1636 |
HashSet set = new HashSet(); |
1637 |
set.add(f); |
1638 |
set.add(g); |
1639 |
set.add(h); |
1640 |
invokeAll(set); |
1641 |
assertEquals(21, f.number); |
1642 |
assertEquals(34, g.number); |
1643 |
assertEquals(13, h.number); |
1644 |
checkCompletedNormally(f); |
1645 |
checkCompletedNormally(g); |
1646 |
checkCompletedNormally(h); |
1647 |
}}; |
1648 |
testInvokeOnPool(singletonPool(), a); |
1649 |
} |
1650 |
|
1651 |
/** |
1652 |
* invokeAll(tasks) with any null task throws NPE |
1653 |
*/ |
1654 |
public void testInvokeAllNPESingleton() { |
1655 |
ForkJoinTask a = new CheckedFJTask() { |
1656 |
public void realCompute() { |
1657 |
CCF f = new LCCF(null, 8); |
1658 |
CCF g = new LCCF(null, 9); |
1659 |
CCF h = null; |
1660 |
try { |
1661 |
invokeAll(f, g, h); |
1662 |
shouldThrow(); |
1663 |
} catch (NullPointerException success) {} |
1664 |
}}; |
1665 |
testInvokeOnPool(singletonPool(), a); |
1666 |
} |
1667 |
|
1668 |
/** |
1669 |
* invokeAll(t1, t2) throw exception if any task does |
1670 |
*/ |
1671 |
public void testAbnormalInvokeAll2Singleton() { |
1672 |
ForkJoinTask a = new CheckedFJTask() { |
1673 |
public void realCompute() { |
1674 |
CCF f = new LCCF(null, 8); |
1675 |
FailingCCF g = new LFCCF(null, 9); |
1676 |
try { |
1677 |
invokeAll(f, g); |
1678 |
shouldThrow(); |
1679 |
} catch (FJException success) { |
1680 |
checkCompletedAbnormally(g, success); |
1681 |
} |
1682 |
}}; |
1683 |
testInvokeOnPool(singletonPool(), a); |
1684 |
} |
1685 |
|
1686 |
/** |
1687 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1688 |
*/ |
1689 |
public void testAbnormalInvokeAll1Singleton() { |
1690 |
ForkJoinTask a = new CheckedFJTask() { |
1691 |
public void realCompute() { |
1692 |
FailingCCF g = new LFCCF(null, 9); |
1693 |
try { |
1694 |
invokeAll(g); |
1695 |
shouldThrow(); |
1696 |
} catch (FJException success) { |
1697 |
checkCompletedAbnormally(g, success); |
1698 |
} |
1699 |
}}; |
1700 |
testInvokeOnPool(singletonPool(), a); |
1701 |
} |
1702 |
|
1703 |
/** |
1704 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1705 |
*/ |
1706 |
public void testAbnormalInvokeAll3Singleton() { |
1707 |
ForkJoinTask a = new CheckedFJTask() { |
1708 |
public void realCompute() { |
1709 |
CCF f = new LCCF(null, 8); |
1710 |
FailingCCF g = new LFCCF(null, 9); |
1711 |
CCF h = new LCCF(null, 7); |
1712 |
try { |
1713 |
invokeAll(f, g, h); |
1714 |
shouldThrow(); |
1715 |
} catch (FJException success) { |
1716 |
checkCompletedAbnormally(g, success); |
1717 |
} |
1718 |
}}; |
1719 |
testInvokeOnPool(singletonPool(), a); |
1720 |
} |
1721 |
|
1722 |
/** |
1723 |
* invokeAll(collection) throws exception if any task does |
1724 |
*/ |
1725 |
public void testAbnormalInvokeAllCollectionSingleton() { |
1726 |
ForkJoinTask a = new CheckedFJTask() { |
1727 |
public void realCompute() { |
1728 |
FailingCCF f = new LFCCF(null, 8); |
1729 |
CCF g = new LCCF(null, 9); |
1730 |
CCF h = new LCCF(null, 7); |
1731 |
HashSet set = new HashSet(); |
1732 |
set.add(f); |
1733 |
set.add(g); |
1734 |
set.add(h); |
1735 |
try { |
1736 |
invokeAll(set); |
1737 |
shouldThrow(); |
1738 |
} catch (FJException success) { |
1739 |
checkCompletedAbnormally(f, success); |
1740 |
} |
1741 |
}}; |
1742 |
testInvokeOnPool(singletonPool(), a); |
1743 |
} |
1744 |
|
1745 |
} |