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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 ForkJoinTasks |
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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 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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/** |
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* A newly constructed CountedCompleter is not completed; |
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* complete() causes completion. |
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*/ |
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public void testComplete() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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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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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()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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} |
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|
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/** |
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* completeExceptionally completes exceptionally |
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*/ |
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public void testCompleteExceptionally() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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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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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 |
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*/ |
278 |
public void testSetPendingCount() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
280 |
assertEquals(0, a.getPendingCount()); |
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a.setPendingCount(1); |
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assertEquals(1, a.getPendingCount()); |
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a.setPendingCount(27); |
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assertEquals(27, a.getPendingCount()); |
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} |
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|
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/** |
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* addToPendingCount adds to the reported pending count |
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*/ |
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public void testAddToPendingCount() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertEquals(0, a.getPendingCount()); |
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a.addToPendingCount(1); |
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assertEquals(1, a.getPendingCount()); |
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a.addToPendingCount(27); |
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assertEquals(28, a.getPendingCount()); |
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} |
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|
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/** |
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* decrementPendingCountUnlessZero decrements reported pending |
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* count unless zero |
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*/ |
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public void testDecrementPendingCount() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertEquals(0, a.getPendingCount()); |
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a.addToPendingCount(1); |
307 |
assertEquals(1, a.getPendingCount()); |
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a.decrementPendingCountUnlessZero(); |
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assertEquals(0, a.getPendingCount()); |
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a.decrementPendingCountUnlessZero(); |
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assertEquals(0, a.getPendingCount()); |
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} |
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|
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/** |
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* getCompleter returns parent or null if at root |
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*/ |
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public void testGetCompleter() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertNull(a.getCompleter()); |
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CountedCompleter b = new NoopCountedCompleter(a); |
321 |
assertEquals(a, b.getCompleter()); |
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} |
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|
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/** |
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* getRoot returns self if no parent, else parent's root |
326 |
*/ |
327 |
public void testGetRoot() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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NoopCountedCompleter b = new NoopCountedCompleter(a); |
330 |
assertEquals(a, a.getRoot()); |
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assertEquals(a, b.getRoot()); |
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} |
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|
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/** |
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* tryComplete causes completion if pending count is zero |
336 |
*/ |
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public void testTryComplete1() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertEquals(0, a.getPendingCount()); |
340 |
a.tryComplete(); |
341 |
assertTrue(a.post); |
342 |
assertTrue(a.isDone()); |
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} |
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|
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/** |
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* propagateCompletion causes completion without invoking |
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* onCompletion if pending count is zero |
348 |
*/ |
349 |
public void testPropagateCompletion() { |
350 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertEquals(0, a.getPendingCount()); |
352 |
a.propagateCompletion(); |
353 |
assertFalse(a.post); |
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assertTrue(a.isDone()); |
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} |
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|
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/** |
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* tryComplete decrements pending count unless zero |
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*/ |
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public void testTryComplete2() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
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assertEquals(0, a.getPendingCount()); |
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a.setPendingCount(1); |
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a.tryComplete(); |
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assertFalse(a.post); |
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assertFalse(a.isDone()); |
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assertEquals(0, a.getPendingCount()); |
368 |
a.tryComplete(); |
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assertTrue(a.post); |
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assertTrue(a.isDone()); |
371 |
} |
372 |
|
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/** |
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* firstComplete returns this if pending count is zero else null |
375 |
*/ |
376 |
public void testFirstComplete() { |
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NoopCountedCompleter a = new NoopCountedCompleter(); |
378 |
a.setPendingCount(1); |
379 |
assertNull(a.firstComplete()); |
380 |
assertEquals(a, a.firstComplete()); |
381 |
} |
382 |
|
383 |
/** |
384 |
* firstComplete.nextComplete returns parent if pending count is |
385 |
* zero else null |
386 |
*/ |
387 |
public void testNextComplete() { |
388 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
389 |
NoopCountedCompleter b = new NoopCountedCompleter(a); |
390 |
a.setPendingCount(1); |
391 |
b.setPendingCount(1); |
392 |
assertNull(b.firstComplete()); |
393 |
CountedCompleter c = b.firstComplete(); |
394 |
assertEquals(b, c); |
395 |
CountedCompleter d = c.nextComplete(); |
396 |
assertNull(d); |
397 |
CountedCompleter e = c.nextComplete(); |
398 |
assertEquals(a, e); |
399 |
} |
400 |
|
401 |
/** |
402 |
* quietlyCompleteRoot completes root task |
403 |
*/ |
404 |
public void testQuietlyCompleteRoot() { |
405 |
NoopCountedCompleter a = new NoopCountedCompleter(); |
406 |
NoopCountedCompleter b = new NoopCountedCompleter(a); |
407 |
a.setPendingCount(1); |
408 |
b.setPendingCount(1); |
409 |
b.quietlyCompleteRoot(); |
410 |
assertTrue(a.isDone()); |
411 |
assertFalse(b.isDone()); |
412 |
} |
413 |
|
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// Invocation tests use some interdependent task classes |
415 |
// to better test propagation etc |
416 |
|
417 |
|
418 |
// Version of Fibonacci with different classes for left vs right forks |
419 |
abstract static class CCF extends CountedCompleter { |
420 |
int number; |
421 |
int rnumber; |
422 |
|
423 |
public CCF(CountedCompleter parent, int n) { |
424 |
super(parent, 1); |
425 |
this.number = n; |
426 |
} |
427 |
|
428 |
public final void compute() { |
429 |
CountedCompleter p; |
430 |
CCF f = this; |
431 |
int n = number; |
432 |
while (n >= 2) { |
433 |
new RCCF(f, n - 2).fork(); |
434 |
f = new LCCF(f, --n); |
435 |
} |
436 |
f.number = n; |
437 |
f.onCompletion(f); |
438 |
if ((p = f.getCompleter()) != null) |
439 |
p.tryComplete(); |
440 |
else |
441 |
f.quietlyComplete(); |
442 |
} |
443 |
} |
444 |
|
445 |
static final class LCCF extends CCF { |
446 |
public LCCF(CountedCompleter parent, int n) { |
447 |
super(parent, n); |
448 |
} |
449 |
public final void onCompletion(CountedCompleter caller) { |
450 |
CCF p = (CCF)getCompleter(); |
451 |
int n = number + rnumber; |
452 |
if (p != null) |
453 |
p.number = n; |
454 |
else |
455 |
number = n; |
456 |
} |
457 |
} |
458 |
static final class RCCF extends CCF { |
459 |
public RCCF(CountedCompleter parent, int n) { |
460 |
super(parent, n); |
461 |
} |
462 |
public final void onCompletion(CountedCompleter caller) { |
463 |
CCF p = (CCF)getCompleter(); |
464 |
int n = number + rnumber; |
465 |
if (p != null) |
466 |
p.rnumber = n; |
467 |
else |
468 |
number = n; |
469 |
} |
470 |
} |
471 |
|
472 |
// Version of CCF with forced failure in left completions |
473 |
abstract static class FailingCCF extends CountedCompleter { |
474 |
int number; |
475 |
int rnumber; |
476 |
|
477 |
public FailingCCF(CountedCompleter parent, int n) { |
478 |
super(parent, 1); |
479 |
this.number = n; |
480 |
} |
481 |
|
482 |
public final void compute() { |
483 |
CountedCompleter p; |
484 |
FailingCCF f = this; |
485 |
int n = number; |
486 |
while (n >= 2) { |
487 |
new RFCCF(f, n - 2).fork(); |
488 |
f = new LFCCF(f, --n); |
489 |
} |
490 |
f.number = n; |
491 |
f.onCompletion(f); |
492 |
if ((p = f.getCompleter()) != null) |
493 |
p.tryComplete(); |
494 |
else |
495 |
f.quietlyComplete(); |
496 |
} |
497 |
} |
498 |
|
499 |
static final class LFCCF extends FailingCCF { |
500 |
public LFCCF(CountedCompleter parent, int n) { |
501 |
super(parent, n); |
502 |
} |
503 |
public final void onCompletion(CountedCompleter caller) { |
504 |
FailingCCF p = (FailingCCF)getCompleter(); |
505 |
int n = number + rnumber; |
506 |
if (p != null) |
507 |
p.number = n; |
508 |
else |
509 |
number = n; |
510 |
} |
511 |
} |
512 |
static final class RFCCF extends FailingCCF { |
513 |
public RFCCF(CountedCompleter parent, int n) { |
514 |
super(parent, n); |
515 |
} |
516 |
public final void onCompletion(CountedCompleter caller) { |
517 |
completeExceptionally(new FJException()); |
518 |
} |
519 |
} |
520 |
|
521 |
/** |
522 |
* invoke returns when task completes normally. |
523 |
* isCompletedAbnormally and isCancelled return false for normally |
524 |
* completed tasks; getRawResult returns null. |
525 |
*/ |
526 |
public void testInvoke() { |
527 |
ForkJoinTask a = new CheckedFJTask() { |
528 |
public void realCompute() { |
529 |
CCF f = new LCCF(null, 8); |
530 |
assertNull(f.invoke()); |
531 |
assertEquals(21, f.number); |
532 |
checkCompletedNormally(f); |
533 |
}}; |
534 |
testInvokeOnPool(mainPool(), a); |
535 |
} |
536 |
|
537 |
/** |
538 |
* quietlyInvoke task returns when task completes normally. |
539 |
* isCompletedAbnormally and isCancelled return false for normally |
540 |
* completed tasks |
541 |
*/ |
542 |
public void testQuietlyInvoke() { |
543 |
ForkJoinTask a = new CheckedFJTask() { |
544 |
public void realCompute() { |
545 |
CCF f = new LCCF(null, 8); |
546 |
f.quietlyInvoke(); |
547 |
assertEquals(21, f.number); |
548 |
checkCompletedNormally(f); |
549 |
}}; |
550 |
testInvokeOnPool(mainPool(), a); |
551 |
} |
552 |
|
553 |
/** |
554 |
* join of a forked task returns when task completes |
555 |
*/ |
556 |
public void testForkJoin() { |
557 |
ForkJoinTask a = new CheckedFJTask() { |
558 |
public void realCompute() { |
559 |
CCF f = new LCCF(null, 8); |
560 |
assertSame(f, f.fork()); |
561 |
assertNull(f.join()); |
562 |
assertEquals(21, f.number); |
563 |
checkCompletedNormally(f); |
564 |
}}; |
565 |
testInvokeOnPool(mainPool(), a); |
566 |
} |
567 |
|
568 |
/** |
569 |
* get of a forked task returns when task completes |
570 |
*/ |
571 |
public void testForkGet() { |
572 |
ForkJoinTask a = new CheckedFJTask() { |
573 |
public void realCompute() throws Exception { |
574 |
CCF f = new LCCF(null, 8); |
575 |
assertSame(f, f.fork()); |
576 |
assertNull(f.get()); |
577 |
assertEquals(21, f.number); |
578 |
checkCompletedNormally(f); |
579 |
}}; |
580 |
testInvokeOnPool(mainPool(), a); |
581 |
} |
582 |
|
583 |
/** |
584 |
* timed get of a forked task returns when task completes |
585 |
*/ |
586 |
public void testForkTimedGet() { |
587 |
ForkJoinTask a = new CheckedFJTask() { |
588 |
public void realCompute() throws Exception { |
589 |
CCF f = new LCCF(null, 8); |
590 |
assertSame(f, f.fork()); |
591 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
592 |
assertEquals(21, f.number); |
593 |
checkCompletedNormally(f); |
594 |
}}; |
595 |
testInvokeOnPool(mainPool(), a); |
596 |
} |
597 |
|
598 |
/** |
599 |
* timed get with null time unit throws NPE |
600 |
*/ |
601 |
public void testForkTimedGetNPE() { |
602 |
ForkJoinTask a = new CheckedFJTask() { |
603 |
public void realCompute() throws Exception { |
604 |
CCF f = new LCCF(null, 8); |
605 |
assertSame(f, f.fork()); |
606 |
try { |
607 |
f.get(5L, null); |
608 |
shouldThrow(); |
609 |
} catch (NullPointerException success) {} |
610 |
}}; |
611 |
testInvokeOnPool(mainPool(), a); |
612 |
} |
613 |
|
614 |
/** |
615 |
* quietlyJoin of a forked task returns when task completes |
616 |
*/ |
617 |
public void testForkQuietlyJoin() { |
618 |
ForkJoinTask a = new CheckedFJTask() { |
619 |
public void realCompute() { |
620 |
CCF f = new LCCF(null, 8); |
621 |
assertSame(f, f.fork()); |
622 |
f.quietlyJoin(); |
623 |
assertEquals(21, f.number); |
624 |
checkCompletedNormally(f); |
625 |
}}; |
626 |
testInvokeOnPool(mainPool(), a); |
627 |
} |
628 |
|
629 |
/** |
630 |
* helpQuiesce returns when tasks are complete. |
631 |
* getQueuedTaskCount returns 0 when quiescent |
632 |
*/ |
633 |
public void testForkHelpQuiesce() { |
634 |
ForkJoinTask a = new CheckedFJTask() { |
635 |
public void realCompute() { |
636 |
CCF f = new LCCF(null, 8); |
637 |
assertSame(f, f.fork()); |
638 |
helpQuiesce(); |
639 |
assertEquals(21, f.number); |
640 |
assertEquals(0, getQueuedTaskCount()); |
641 |
checkCompletedNormally(f); |
642 |
}}; |
643 |
testInvokeOnPool(mainPool(), a); |
644 |
} |
645 |
|
646 |
/** |
647 |
* invoke task throws exception when task completes abnormally |
648 |
*/ |
649 |
public void testAbnormalInvoke() { |
650 |
ForkJoinTask a = new CheckedFJTask() { |
651 |
public void realCompute() { |
652 |
FailingCCF f = new LFCCF(null, 8); |
653 |
try { |
654 |
f.invoke(); |
655 |
shouldThrow(); |
656 |
} catch (FJException success) { |
657 |
checkCompletedAbnormally(f, success); |
658 |
} |
659 |
}}; |
660 |
testInvokeOnPool(mainPool(), a); |
661 |
} |
662 |
|
663 |
/** |
664 |
* quietlyInvoke task returns when task completes abnormally |
665 |
*/ |
666 |
public void testAbnormalQuietlyInvoke() { |
667 |
ForkJoinTask a = new CheckedFJTask() { |
668 |
public void realCompute() { |
669 |
FailingCCF f = new LFCCF(null, 8); |
670 |
f.quietlyInvoke(); |
671 |
assertTrue(f.getException() instanceof FJException); |
672 |
checkCompletedAbnormally(f, f.getException()); |
673 |
}}; |
674 |
testInvokeOnPool(mainPool(), a); |
675 |
} |
676 |
|
677 |
/** |
678 |
* join of a forked task throws exception when task completes abnormally |
679 |
*/ |
680 |
public void testAbnormalForkJoin() { |
681 |
ForkJoinTask a = new CheckedFJTask() { |
682 |
public void realCompute() { |
683 |
FailingCCF f = new LFCCF(null, 8); |
684 |
assertSame(f, f.fork()); |
685 |
try { |
686 |
f.join(); |
687 |
shouldThrow(); |
688 |
} catch (FJException success) { |
689 |
checkCompletedAbnormally(f, success); |
690 |
} |
691 |
}}; |
692 |
testInvokeOnPool(mainPool(), a); |
693 |
} |
694 |
|
695 |
/** |
696 |
* get of a forked task throws exception when task completes abnormally |
697 |
*/ |
698 |
public void testAbnormalForkGet() { |
699 |
ForkJoinTask a = new CheckedFJTask() { |
700 |
public void realCompute() throws Exception { |
701 |
FailingCCF f = new LFCCF(null, 8); |
702 |
assertSame(f, f.fork()); |
703 |
try { |
704 |
f.get(); |
705 |
shouldThrow(); |
706 |
} catch (ExecutionException success) { |
707 |
Throwable cause = success.getCause(); |
708 |
assertTrue(cause instanceof FJException); |
709 |
checkCompletedAbnormally(f, cause); |
710 |
} |
711 |
}}; |
712 |
testInvokeOnPool(mainPool(), a); |
713 |
} |
714 |
|
715 |
/** |
716 |
* timed get of a forked task throws exception when task completes abnormally |
717 |
*/ |
718 |
public void testAbnormalForkTimedGet() { |
719 |
ForkJoinTask a = new CheckedFJTask() { |
720 |
public void realCompute() throws Exception { |
721 |
FailingCCF f = new LFCCF(null, 8); |
722 |
assertSame(f, f.fork()); |
723 |
try { |
724 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
725 |
shouldThrow(); |
726 |
} catch (ExecutionException success) { |
727 |
Throwable cause = success.getCause(); |
728 |
assertTrue(cause instanceof FJException); |
729 |
checkCompletedAbnormally(f, cause); |
730 |
} |
731 |
}}; |
732 |
testInvokeOnPool(mainPool(), a); |
733 |
} |
734 |
|
735 |
/** |
736 |
* quietlyJoin of a forked task returns when task completes abnormally |
737 |
*/ |
738 |
public void testAbnormalForkQuietlyJoin() { |
739 |
ForkJoinTask a = new CheckedFJTask() { |
740 |
public void realCompute() { |
741 |
FailingCCF f = new LFCCF(null, 8); |
742 |
assertSame(f, f.fork()); |
743 |
f.quietlyJoin(); |
744 |
assertTrue(f.getException() instanceof FJException); |
745 |
checkCompletedAbnormally(f, f.getException()); |
746 |
}}; |
747 |
testInvokeOnPool(mainPool(), a); |
748 |
} |
749 |
|
750 |
/** |
751 |
* invoke task throws exception when task cancelled |
752 |
*/ |
753 |
public void testCancelledInvoke() { |
754 |
ForkJoinTask a = new CheckedFJTask() { |
755 |
public void realCompute() { |
756 |
CCF f = new LCCF(null, 8); |
757 |
assertTrue(f.cancel(true)); |
758 |
try { |
759 |
f.invoke(); |
760 |
shouldThrow(); |
761 |
} catch (CancellationException success) { |
762 |
checkCancelled(f); |
763 |
} |
764 |
}}; |
765 |
testInvokeOnPool(mainPool(), a); |
766 |
} |
767 |
|
768 |
/** |
769 |
* join of a forked task throws exception when task cancelled |
770 |
*/ |
771 |
public void testCancelledForkJoin() { |
772 |
ForkJoinTask a = new CheckedFJTask() { |
773 |
public void realCompute() { |
774 |
CCF f = new LCCF(null, 8); |
775 |
assertTrue(f.cancel(true)); |
776 |
assertSame(f, f.fork()); |
777 |
try { |
778 |
f.join(); |
779 |
shouldThrow(); |
780 |
} catch (CancellationException success) { |
781 |
checkCancelled(f); |
782 |
} |
783 |
}}; |
784 |
testInvokeOnPool(mainPool(), a); |
785 |
} |
786 |
|
787 |
/** |
788 |
* get of a forked task throws exception when task cancelled |
789 |
*/ |
790 |
public void testCancelledForkGet() { |
791 |
ForkJoinTask a = new CheckedFJTask() { |
792 |
public void realCompute() throws Exception { |
793 |
CCF f = new LCCF(null, 8); |
794 |
assertTrue(f.cancel(true)); |
795 |
assertSame(f, f.fork()); |
796 |
try { |
797 |
f.get(); |
798 |
shouldThrow(); |
799 |
} catch (CancellationException success) { |
800 |
checkCancelled(f); |
801 |
} |
802 |
}}; |
803 |
testInvokeOnPool(mainPool(), a); |
804 |
} |
805 |
|
806 |
/** |
807 |
* timed get of a forked task throws exception when task cancelled |
808 |
*/ |
809 |
public void testCancelledForkTimedGet() throws Exception { |
810 |
ForkJoinTask a = new CheckedFJTask() { |
811 |
public void realCompute() throws Exception { |
812 |
CCF f = new LCCF(null, 8); |
813 |
assertTrue(f.cancel(true)); |
814 |
assertSame(f, f.fork()); |
815 |
try { |
816 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
817 |
shouldThrow(); |
818 |
} catch (CancellationException success) { |
819 |
checkCancelled(f); |
820 |
} |
821 |
}}; |
822 |
testInvokeOnPool(mainPool(), a); |
823 |
} |
824 |
|
825 |
/** |
826 |
* quietlyJoin of a forked task returns when task cancelled |
827 |
*/ |
828 |
public void testCancelledForkQuietlyJoin() { |
829 |
ForkJoinTask a = new CheckedFJTask() { |
830 |
public void realCompute() { |
831 |
CCF f = new LCCF(null, 8); |
832 |
assertTrue(f.cancel(true)); |
833 |
assertSame(f, f.fork()); |
834 |
f.quietlyJoin(); |
835 |
checkCancelled(f); |
836 |
}}; |
837 |
testInvokeOnPool(mainPool(), a); |
838 |
} |
839 |
|
840 |
/** |
841 |
* getPool of executing task returns its pool |
842 |
*/ |
843 |
public void testGetPool() { |
844 |
final ForkJoinPool mainPool = mainPool(); |
845 |
ForkJoinTask a = new CheckedFJTask() { |
846 |
public void realCompute() { |
847 |
assertSame(mainPool, getPool()); |
848 |
}}; |
849 |
testInvokeOnPool(mainPool, a); |
850 |
} |
851 |
|
852 |
/** |
853 |
* getPool of non-FJ task returns null |
854 |
*/ |
855 |
public void testGetPool2() { |
856 |
ForkJoinTask a = new CheckedFJTask() { |
857 |
public void realCompute() { |
858 |
assertNull(getPool()); |
859 |
}}; |
860 |
assertNull(a.invoke()); |
861 |
} |
862 |
|
863 |
/** |
864 |
* inForkJoinPool of executing task returns true |
865 |
*/ |
866 |
public void testInForkJoinPool() { |
867 |
ForkJoinTask a = new CheckedFJTask() { |
868 |
public void realCompute() { |
869 |
assertTrue(inForkJoinPool()); |
870 |
}}; |
871 |
testInvokeOnPool(mainPool(), a); |
872 |
} |
873 |
|
874 |
/** |
875 |
* inForkJoinPool of non-FJ task returns false |
876 |
*/ |
877 |
public void testInForkJoinPool2() { |
878 |
ForkJoinTask a = new CheckedFJTask() { |
879 |
public void realCompute() { |
880 |
assertFalse(inForkJoinPool()); |
881 |
}}; |
882 |
assertNull(a.invoke()); |
883 |
} |
884 |
|
885 |
/** |
886 |
* setRawResult(null) succeeds |
887 |
*/ |
888 |
public void testSetRawResult() { |
889 |
ForkJoinTask a = new CheckedFJTask() { |
890 |
public void realCompute() { |
891 |
setRawResult(null); |
892 |
assertNull(getRawResult()); |
893 |
}}; |
894 |
assertNull(a.invoke()); |
895 |
} |
896 |
|
897 |
/** |
898 |
* invoke task throws exception after invoking completeExceptionally |
899 |
*/ |
900 |
public void testCompleteExceptionally2() { |
901 |
ForkJoinTask a = new CheckedFJTask() { |
902 |
public void realCompute() { |
903 |
CCF f = new LCCF(null, 8); |
904 |
f.completeExceptionally(new FJException()); |
905 |
try { |
906 |
f.invoke(); |
907 |
shouldThrow(); |
908 |
} catch (FJException success) { |
909 |
checkCompletedAbnormally(f, success); |
910 |
} |
911 |
}}; |
912 |
testInvokeOnPool(mainPool(), a); |
913 |
} |
914 |
|
915 |
/** |
916 |
* invokeAll(t1, t2) invokes all task arguments |
917 |
*/ |
918 |
public void testInvokeAll2() { |
919 |
ForkJoinTask a = new CheckedFJTask() { |
920 |
public void realCompute() { |
921 |
CCF f = new LCCF(null, 8); |
922 |
CCF g = new LCCF(null, 9); |
923 |
invokeAll(f, g); |
924 |
assertEquals(21, f.number); |
925 |
assertEquals(34, g.number); |
926 |
checkCompletedNormally(f); |
927 |
checkCompletedNormally(g); |
928 |
}}; |
929 |
testInvokeOnPool(mainPool(), a); |
930 |
} |
931 |
|
932 |
/** |
933 |
* invokeAll(tasks) with 1 argument invokes task |
934 |
*/ |
935 |
public void testInvokeAll1() { |
936 |
ForkJoinTask a = new CheckedFJTask() { |
937 |
public void realCompute() { |
938 |
CCF f = new LCCF(null, 8); |
939 |
invokeAll(f); |
940 |
checkCompletedNormally(f); |
941 |
assertEquals(21, f.number); |
942 |
}}; |
943 |
testInvokeOnPool(mainPool(), a); |
944 |
} |
945 |
|
946 |
/** |
947 |
* invokeAll(tasks) with > 2 argument invokes tasks |
948 |
*/ |
949 |
public void testInvokeAll3() { |
950 |
ForkJoinTask a = new CheckedFJTask() { |
951 |
public void realCompute() { |
952 |
CCF f = new LCCF(null, 8); |
953 |
CCF g = new LCCF(null, 9); |
954 |
CCF h = new LCCF(null, 7); |
955 |
invokeAll(f, g, h); |
956 |
assertEquals(21, f.number); |
957 |
assertEquals(34, g.number); |
958 |
assertEquals(13, h.number); |
959 |
checkCompletedNormally(f); |
960 |
checkCompletedNormally(g); |
961 |
checkCompletedNormally(h); |
962 |
}}; |
963 |
testInvokeOnPool(mainPool(), a); |
964 |
} |
965 |
|
966 |
/** |
967 |
* invokeAll(collection) invokes all tasks in the collection |
968 |
*/ |
969 |
public void testInvokeAllCollection() { |
970 |
ForkJoinTask a = new CheckedFJTask() { |
971 |
public void realCompute() { |
972 |
CCF f = new LCCF(null, 8); |
973 |
CCF g = new LCCF(null, 9); |
974 |
CCF h = new LCCF(null, 7); |
975 |
HashSet set = new HashSet(); |
976 |
set.add(f); |
977 |
set.add(g); |
978 |
set.add(h); |
979 |
invokeAll(set); |
980 |
assertEquals(21, f.number); |
981 |
assertEquals(34, g.number); |
982 |
assertEquals(13, h.number); |
983 |
checkCompletedNormally(f); |
984 |
checkCompletedNormally(g); |
985 |
checkCompletedNormally(h); |
986 |
}}; |
987 |
testInvokeOnPool(mainPool(), a); |
988 |
} |
989 |
|
990 |
/** |
991 |
* invokeAll(tasks) with any null task throws NPE |
992 |
*/ |
993 |
public void testInvokeAllNPE() { |
994 |
ForkJoinTask a = new CheckedFJTask() { |
995 |
public void realCompute() { |
996 |
CCF f = new LCCF(null, 8); |
997 |
CCF g = new LCCF(null, 9); |
998 |
CCF h = null; |
999 |
try { |
1000 |
invokeAll(f, g, h); |
1001 |
shouldThrow(); |
1002 |
} catch (NullPointerException success) {} |
1003 |
}}; |
1004 |
testInvokeOnPool(mainPool(), a); |
1005 |
} |
1006 |
|
1007 |
/** |
1008 |
* invokeAll(t1, t2) throw exception if any task does |
1009 |
*/ |
1010 |
public void testAbnormalInvokeAll2() { |
1011 |
ForkJoinTask a = new CheckedFJTask() { |
1012 |
public void realCompute() { |
1013 |
CCF f = new LCCF(null, 8); |
1014 |
FailingCCF g = new LFCCF(null, 9); |
1015 |
try { |
1016 |
invokeAll(f, g); |
1017 |
shouldThrow(); |
1018 |
} catch (FJException success) { |
1019 |
checkCompletedAbnormally(g, success); |
1020 |
} |
1021 |
}}; |
1022 |
testInvokeOnPool(mainPool(), a); |
1023 |
} |
1024 |
|
1025 |
/** |
1026 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1027 |
*/ |
1028 |
public void testAbnormalInvokeAll1() { |
1029 |
ForkJoinTask a = new CheckedFJTask() { |
1030 |
public void realCompute() { |
1031 |
FailingCCF g = new LFCCF(null, 9); |
1032 |
try { |
1033 |
invokeAll(g); |
1034 |
shouldThrow(); |
1035 |
} catch (FJException success) { |
1036 |
checkCompletedAbnormally(g, success); |
1037 |
} |
1038 |
}}; |
1039 |
testInvokeOnPool(mainPool(), a); |
1040 |
} |
1041 |
|
1042 |
/** |
1043 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1044 |
*/ |
1045 |
public void testAbnormalInvokeAll3() { |
1046 |
ForkJoinTask a = new CheckedFJTask() { |
1047 |
public void realCompute() { |
1048 |
CCF f = new LCCF(null, 8); |
1049 |
FailingCCF g = new LFCCF(null, 9); |
1050 |
CCF h = new LCCF(null, 7); |
1051 |
try { |
1052 |
invokeAll(f, g, h); |
1053 |
shouldThrow(); |
1054 |
} catch (FJException success) { |
1055 |
checkCompletedAbnormally(g, success); |
1056 |
} |
1057 |
}}; |
1058 |
testInvokeOnPool(mainPool(), a); |
1059 |
} |
1060 |
|
1061 |
/** |
1062 |
* invokeAll(collection) throws exception if any task does |
1063 |
*/ |
1064 |
public void testAbnormalInvokeAllCollection() { |
1065 |
ForkJoinTask a = new CheckedFJTask() { |
1066 |
public void realCompute() { |
1067 |
FailingCCF f = new LFCCF(null, 8); |
1068 |
CCF g = new LCCF(null, 9); |
1069 |
CCF h = new LCCF(null, 7); |
1070 |
HashSet set = new HashSet(); |
1071 |
set.add(f); |
1072 |
set.add(g); |
1073 |
set.add(h); |
1074 |
try { |
1075 |
invokeAll(set); |
1076 |
shouldThrow(); |
1077 |
} catch (FJException success) { |
1078 |
checkCompletedAbnormally(f, success); |
1079 |
} |
1080 |
}}; |
1081 |
testInvokeOnPool(mainPool(), a); |
1082 |
} |
1083 |
|
1084 |
/** |
1085 |
* tryUnfork returns true for most recent unexecuted task, |
1086 |
* and suppresses execution |
1087 |
*/ |
1088 |
public void testTryUnfork() { |
1089 |
ForkJoinTask a = new CheckedFJTask() { |
1090 |
public void realCompute() { |
1091 |
CCF g = new LCCF(null, 9); |
1092 |
assertSame(g, g.fork()); |
1093 |
CCF f = new LCCF(null, 8); |
1094 |
assertSame(f, f.fork()); |
1095 |
assertTrue(f.tryUnfork()); |
1096 |
helpQuiesce(); |
1097 |
checkNotDone(f); |
1098 |
checkCompletedNormally(g); |
1099 |
}}; |
1100 |
testInvokeOnPool(singletonPool(), a); |
1101 |
} |
1102 |
|
1103 |
/** |
1104 |
* getSurplusQueuedTaskCount returns > 0 when |
1105 |
* there are more tasks than threads |
1106 |
*/ |
1107 |
public void testGetSurplusQueuedTaskCount() { |
1108 |
ForkJoinTask a = new CheckedFJTask() { |
1109 |
public void realCompute() { |
1110 |
CCF h = new LCCF(null, 7); |
1111 |
assertSame(h, h.fork()); |
1112 |
CCF g = new LCCF(null, 9); |
1113 |
assertSame(g, g.fork()); |
1114 |
CCF f = new LCCF(null, 8); |
1115 |
assertSame(f, f.fork()); |
1116 |
assertTrue(getSurplusQueuedTaskCount() > 0); |
1117 |
helpQuiesce(); |
1118 |
assertEquals(0, getSurplusQueuedTaskCount()); |
1119 |
checkCompletedNormally(f); |
1120 |
checkCompletedNormally(g); |
1121 |
checkCompletedNormally(h); |
1122 |
}}; |
1123 |
testInvokeOnPool(singletonPool(), a); |
1124 |
} |
1125 |
|
1126 |
/** |
1127 |
* peekNextLocalTask returns most recent unexecuted task. |
1128 |
*/ |
1129 |
public void testPeekNextLocalTask() { |
1130 |
ForkJoinTask a = new CheckedFJTask() { |
1131 |
public void realCompute() { |
1132 |
CCF g = new LCCF(null, 9); |
1133 |
assertSame(g, g.fork()); |
1134 |
CCF f = new LCCF(null, 8); |
1135 |
assertSame(f, f.fork()); |
1136 |
assertSame(f, peekNextLocalTask()); |
1137 |
assertNull(f.join()); |
1138 |
checkCompletedNormally(f); |
1139 |
helpQuiesce(); |
1140 |
checkCompletedNormally(g); |
1141 |
}}; |
1142 |
testInvokeOnPool(singletonPool(), a); |
1143 |
} |
1144 |
|
1145 |
/** |
1146 |
* pollNextLocalTask returns most recent unexecuted task without |
1147 |
* executing it |
1148 |
*/ |
1149 |
public void testPollNextLocalTask() { |
1150 |
ForkJoinTask a = new CheckedFJTask() { |
1151 |
public void realCompute() { |
1152 |
CCF g = new LCCF(null, 9); |
1153 |
assertSame(g, g.fork()); |
1154 |
CCF f = new LCCF(null, 8); |
1155 |
assertSame(f, f.fork()); |
1156 |
assertSame(f, pollNextLocalTask()); |
1157 |
helpQuiesce(); |
1158 |
checkNotDone(f); |
1159 |
assertEquals(34, g.number); |
1160 |
checkCompletedNormally(g); |
1161 |
}}; |
1162 |
testInvokeOnPool(singletonPool(), a); |
1163 |
} |
1164 |
|
1165 |
/** |
1166 |
* pollTask returns an unexecuted task without executing it |
1167 |
*/ |
1168 |
public void testPollTask() { |
1169 |
ForkJoinTask a = new CheckedFJTask() { |
1170 |
public void realCompute() { |
1171 |
CCF g = new LCCF(null, 9); |
1172 |
assertSame(g, g.fork()); |
1173 |
CCF f = new LCCF(null, 8); |
1174 |
assertSame(f, f.fork()); |
1175 |
assertSame(f, pollTask()); |
1176 |
helpQuiesce(); |
1177 |
checkNotDone(f); |
1178 |
checkCompletedNormally(g); |
1179 |
}}; |
1180 |
testInvokeOnPool(singletonPool(), a); |
1181 |
} |
1182 |
|
1183 |
/** |
1184 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
1185 |
*/ |
1186 |
public void testPeekNextLocalTaskAsync() { |
1187 |
ForkJoinTask a = new CheckedFJTask() { |
1188 |
public void realCompute() { |
1189 |
CCF g = new LCCF(null, 9); |
1190 |
assertSame(g, g.fork()); |
1191 |
CCF f = new LCCF(null, 8); |
1192 |
assertSame(f, f.fork()); |
1193 |
assertSame(g, peekNextLocalTask()); |
1194 |
assertNull(f.join()); |
1195 |
helpQuiesce(); |
1196 |
checkCompletedNormally(f); |
1197 |
assertEquals(34, g.number); |
1198 |
checkCompletedNormally(g); |
1199 |
}}; |
1200 |
testInvokeOnPool(asyncSingletonPool(), a); |
1201 |
} |
1202 |
|
1203 |
/** |
1204 |
* pollNextLocalTask returns least recent unexecuted task without |
1205 |
* executing it, in async mode |
1206 |
*/ |
1207 |
public void testPollNextLocalTaskAsync() { |
1208 |
ForkJoinTask a = new CheckedFJTask() { |
1209 |
public void realCompute() { |
1210 |
CCF g = new LCCF(null, 9); |
1211 |
assertSame(g, g.fork()); |
1212 |
CCF f = new LCCF(null, 8); |
1213 |
assertSame(f, f.fork()); |
1214 |
assertSame(g, pollNextLocalTask()); |
1215 |
helpQuiesce(); |
1216 |
assertEquals(21, f.number); |
1217 |
checkCompletedNormally(f); |
1218 |
checkNotDone(g); |
1219 |
}}; |
1220 |
testInvokeOnPool(asyncSingletonPool(), a); |
1221 |
} |
1222 |
|
1223 |
/** |
1224 |
* pollTask returns an unexecuted task without executing it, in |
1225 |
* async mode |
1226 |
*/ |
1227 |
public void testPollTaskAsync() { |
1228 |
ForkJoinTask a = new CheckedFJTask() { |
1229 |
public void realCompute() { |
1230 |
CCF g = new LCCF(null, 9); |
1231 |
assertSame(g, g.fork()); |
1232 |
CCF f = new LCCF(null, 8); |
1233 |
assertSame(f, f.fork()); |
1234 |
assertSame(g, pollTask()); |
1235 |
helpQuiesce(); |
1236 |
assertEquals(21, f.number); |
1237 |
checkCompletedNormally(f); |
1238 |
checkNotDone(g); |
1239 |
}}; |
1240 |
testInvokeOnPool(asyncSingletonPool(), a); |
1241 |
} |
1242 |
|
1243 |
// versions for singleton pools |
1244 |
|
1245 |
/** |
1246 |
* invoke returns when task completes normally. |
1247 |
* isCompletedAbnormally and isCancelled return false for normally |
1248 |
* completed tasks; getRawResult returns null. |
1249 |
*/ |
1250 |
public void testInvokeSingleton() { |
1251 |
ForkJoinTask a = new CheckedFJTask() { |
1252 |
public void realCompute() { |
1253 |
CCF f = new LCCF(null, 8); |
1254 |
assertNull(f.invoke()); |
1255 |
assertEquals(21, f.number); |
1256 |
checkCompletedNormally(f); |
1257 |
}}; |
1258 |
testInvokeOnPool(singletonPool(), a); |
1259 |
} |
1260 |
|
1261 |
/** |
1262 |
* quietlyInvoke task returns when task completes normally. |
1263 |
* isCompletedAbnormally and isCancelled return false for normally |
1264 |
* completed tasks |
1265 |
*/ |
1266 |
public void testQuietlyInvokeSingleton() { |
1267 |
ForkJoinTask a = new CheckedFJTask() { |
1268 |
public void realCompute() { |
1269 |
CCF f = new LCCF(null, 8); |
1270 |
f.quietlyInvoke(); |
1271 |
assertEquals(21, f.number); |
1272 |
checkCompletedNormally(f); |
1273 |
}}; |
1274 |
testInvokeOnPool(singletonPool(), a); |
1275 |
} |
1276 |
|
1277 |
/** |
1278 |
* join of a forked task returns when task completes |
1279 |
*/ |
1280 |
public void testForkJoinSingleton() { |
1281 |
ForkJoinTask a = new CheckedFJTask() { |
1282 |
public void realCompute() { |
1283 |
CCF f = new LCCF(null, 8); |
1284 |
assertSame(f, f.fork()); |
1285 |
assertNull(f.join()); |
1286 |
assertEquals(21, f.number); |
1287 |
checkCompletedNormally(f); |
1288 |
}}; |
1289 |
testInvokeOnPool(singletonPool(), a); |
1290 |
} |
1291 |
|
1292 |
/** |
1293 |
* get of a forked task returns when task completes |
1294 |
*/ |
1295 |
public void testForkGetSingleton() { |
1296 |
ForkJoinTask a = new CheckedFJTask() { |
1297 |
public void realCompute() throws Exception { |
1298 |
CCF f = new LCCF(null, 8); |
1299 |
assertSame(f, f.fork()); |
1300 |
assertNull(f.get()); |
1301 |
assertEquals(21, f.number); |
1302 |
checkCompletedNormally(f); |
1303 |
}}; |
1304 |
testInvokeOnPool(singletonPool(), a); |
1305 |
} |
1306 |
|
1307 |
/** |
1308 |
* timed get of a forked task returns when task completes |
1309 |
*/ |
1310 |
public void testForkTimedGetSingleton() { |
1311 |
ForkJoinTask a = new CheckedFJTask() { |
1312 |
public void realCompute() throws Exception { |
1313 |
CCF f = new LCCF(null, 8); |
1314 |
assertSame(f, f.fork()); |
1315 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
1316 |
assertEquals(21, f.number); |
1317 |
checkCompletedNormally(f); |
1318 |
}}; |
1319 |
testInvokeOnPool(singletonPool(), a); |
1320 |
} |
1321 |
|
1322 |
/** |
1323 |
* timed get with null time unit throws NPE |
1324 |
*/ |
1325 |
public void testForkTimedGetNPESingleton() { |
1326 |
ForkJoinTask a = new CheckedFJTask() { |
1327 |
public void realCompute() throws Exception { |
1328 |
CCF f = new LCCF(null, 8); |
1329 |
assertSame(f, f.fork()); |
1330 |
try { |
1331 |
f.get(5L, null); |
1332 |
shouldThrow(); |
1333 |
} catch (NullPointerException success) {} |
1334 |
}}; |
1335 |
testInvokeOnPool(singletonPool(), a); |
1336 |
} |
1337 |
|
1338 |
/** |
1339 |
* quietlyJoin of a forked task returns when task completes |
1340 |
*/ |
1341 |
public void testForkQuietlyJoinSingleton() { |
1342 |
ForkJoinTask a = new CheckedFJTask() { |
1343 |
public void realCompute() { |
1344 |
CCF f = new LCCF(null, 8); |
1345 |
assertSame(f, f.fork()); |
1346 |
f.quietlyJoin(); |
1347 |
assertEquals(21, f.number); |
1348 |
checkCompletedNormally(f); |
1349 |
}}; |
1350 |
testInvokeOnPool(singletonPool(), a); |
1351 |
} |
1352 |
|
1353 |
/** |
1354 |
* helpQuiesce returns when tasks are complete. |
1355 |
* getQueuedTaskCount returns 0 when quiescent |
1356 |
*/ |
1357 |
public void testForkHelpQuiesceSingleton() { |
1358 |
ForkJoinTask a = new CheckedFJTask() { |
1359 |
public void realCompute() { |
1360 |
CCF f = new LCCF(null, 8); |
1361 |
assertSame(f, f.fork()); |
1362 |
helpQuiesce(); |
1363 |
assertEquals(0, getQueuedTaskCount()); |
1364 |
assertEquals(21, f.number); |
1365 |
checkCompletedNormally(f); |
1366 |
}}; |
1367 |
testInvokeOnPool(singletonPool(), a); |
1368 |
} |
1369 |
|
1370 |
/** |
1371 |
* invoke task throws exception when task completes abnormally |
1372 |
*/ |
1373 |
public void testAbnormalInvokeSingleton() { |
1374 |
ForkJoinTask a = new CheckedFJTask() { |
1375 |
public void realCompute() { |
1376 |
FailingCCF f = new LFCCF(null, 8); |
1377 |
try { |
1378 |
f.invoke(); |
1379 |
shouldThrow(); |
1380 |
} catch (FJException success) { |
1381 |
checkCompletedAbnormally(f, success); |
1382 |
} |
1383 |
}}; |
1384 |
testInvokeOnPool(singletonPool(), a); |
1385 |
} |
1386 |
|
1387 |
/** |
1388 |
* quietlyInvoke task returns when task completes abnormally |
1389 |
*/ |
1390 |
public void testAbnormalQuietlyInvokeSingleton() { |
1391 |
ForkJoinTask a = new CheckedFJTask() { |
1392 |
public void realCompute() { |
1393 |
FailingCCF f = new LFCCF(null, 8); |
1394 |
f.quietlyInvoke(); |
1395 |
assertTrue(f.getException() instanceof FJException); |
1396 |
checkCompletedAbnormally(f, f.getException()); |
1397 |
}}; |
1398 |
testInvokeOnPool(singletonPool(), a); |
1399 |
} |
1400 |
|
1401 |
/** |
1402 |
* join of a forked task throws exception when task completes abnormally |
1403 |
*/ |
1404 |
public void testAbnormalForkJoinSingleton() { |
1405 |
ForkJoinTask a = new CheckedFJTask() { |
1406 |
public void realCompute() { |
1407 |
FailingCCF f = new LFCCF(null, 8); |
1408 |
assertSame(f, f.fork()); |
1409 |
try { |
1410 |
f.join(); |
1411 |
shouldThrow(); |
1412 |
} catch (FJException success) { |
1413 |
checkCompletedAbnormally(f, success); |
1414 |
} |
1415 |
}}; |
1416 |
testInvokeOnPool(singletonPool(), a); |
1417 |
} |
1418 |
|
1419 |
/** |
1420 |
* get of a forked task throws exception when task completes abnormally |
1421 |
*/ |
1422 |
public void testAbnormalForkGetSingleton() { |
1423 |
ForkJoinTask a = new CheckedFJTask() { |
1424 |
public void realCompute() throws Exception { |
1425 |
FailingCCF f = new LFCCF(null, 8); |
1426 |
assertSame(f, f.fork()); |
1427 |
try { |
1428 |
f.get(); |
1429 |
shouldThrow(); |
1430 |
} catch (ExecutionException success) { |
1431 |
Throwable cause = success.getCause(); |
1432 |
assertTrue(cause instanceof FJException); |
1433 |
checkCompletedAbnormally(f, cause); |
1434 |
} |
1435 |
}}; |
1436 |
testInvokeOnPool(singletonPool(), a); |
1437 |
} |
1438 |
|
1439 |
/** |
1440 |
* timed get of a forked task throws exception when task completes abnormally |
1441 |
*/ |
1442 |
public void testAbnormalForkTimedGetSingleton() { |
1443 |
ForkJoinTask a = new CheckedFJTask() { |
1444 |
public void realCompute() throws Exception { |
1445 |
FailingCCF f = new LFCCF(null, 8); |
1446 |
assertSame(f, f.fork()); |
1447 |
try { |
1448 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1449 |
shouldThrow(); |
1450 |
} catch (ExecutionException success) { |
1451 |
Throwable cause = success.getCause(); |
1452 |
assertTrue(cause instanceof FJException); |
1453 |
checkCompletedAbnormally(f, cause); |
1454 |
} |
1455 |
}}; |
1456 |
testInvokeOnPool(singletonPool(), a); |
1457 |
} |
1458 |
|
1459 |
/** |
1460 |
* quietlyJoin of a forked task returns when task completes abnormally |
1461 |
*/ |
1462 |
public void testAbnormalForkQuietlyJoinSingleton() { |
1463 |
ForkJoinTask a = new CheckedFJTask() { |
1464 |
public void realCompute() { |
1465 |
FailingCCF f = new LFCCF(null, 8); |
1466 |
assertSame(f, f.fork()); |
1467 |
f.quietlyJoin(); |
1468 |
assertTrue(f.getException() instanceof FJException); |
1469 |
checkCompletedAbnormally(f, f.getException()); |
1470 |
}}; |
1471 |
testInvokeOnPool(singletonPool(), a); |
1472 |
} |
1473 |
|
1474 |
/** |
1475 |
* invoke task throws exception when task cancelled |
1476 |
*/ |
1477 |
public void testCancelledInvokeSingleton() { |
1478 |
ForkJoinTask a = new CheckedFJTask() { |
1479 |
public void realCompute() { |
1480 |
CCF f = new LCCF(null, 8); |
1481 |
assertTrue(f.cancel(true)); |
1482 |
try { |
1483 |
f.invoke(); |
1484 |
shouldThrow(); |
1485 |
} catch (CancellationException success) { |
1486 |
checkCancelled(f); |
1487 |
} |
1488 |
}}; |
1489 |
testInvokeOnPool(singletonPool(), a); |
1490 |
} |
1491 |
|
1492 |
/** |
1493 |
* join of a forked task throws exception when task cancelled |
1494 |
*/ |
1495 |
public void testCancelledForkJoinSingleton() { |
1496 |
ForkJoinTask a = new CheckedFJTask() { |
1497 |
public void realCompute() { |
1498 |
CCF f = new LCCF(null, 8); |
1499 |
assertTrue(f.cancel(true)); |
1500 |
assertSame(f, f.fork()); |
1501 |
try { |
1502 |
f.join(); |
1503 |
shouldThrow(); |
1504 |
} catch (CancellationException success) { |
1505 |
checkCancelled(f); |
1506 |
} |
1507 |
}}; |
1508 |
testInvokeOnPool(singletonPool(), a); |
1509 |
} |
1510 |
|
1511 |
/** |
1512 |
* get of a forked task throws exception when task cancelled |
1513 |
*/ |
1514 |
public void testCancelledForkGetSingleton() { |
1515 |
ForkJoinTask a = new CheckedFJTask() { |
1516 |
public void realCompute() throws Exception { |
1517 |
CCF f = new LCCF(null, 8); |
1518 |
assertTrue(f.cancel(true)); |
1519 |
assertSame(f, f.fork()); |
1520 |
try { |
1521 |
f.get(); |
1522 |
shouldThrow(); |
1523 |
} catch (CancellationException success) { |
1524 |
checkCancelled(f); |
1525 |
} |
1526 |
}}; |
1527 |
testInvokeOnPool(singletonPool(), a); |
1528 |
} |
1529 |
|
1530 |
/** |
1531 |
* timed get of a forked task throws exception when task cancelled |
1532 |
*/ |
1533 |
public void testCancelledForkTimedGetSingleton() throws Exception { |
1534 |
ForkJoinTask a = new CheckedFJTask() { |
1535 |
public void realCompute() throws Exception { |
1536 |
CCF f = new LCCF(null, 8); |
1537 |
assertTrue(f.cancel(true)); |
1538 |
assertSame(f, f.fork()); |
1539 |
try { |
1540 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1541 |
shouldThrow(); |
1542 |
} catch (CancellationException success) { |
1543 |
checkCancelled(f); |
1544 |
} |
1545 |
}}; |
1546 |
testInvokeOnPool(singletonPool(), a); |
1547 |
} |
1548 |
|
1549 |
/** |
1550 |
* quietlyJoin of a forked task returns when task cancelled |
1551 |
*/ |
1552 |
public void testCancelledForkQuietlyJoinSingleton() { |
1553 |
ForkJoinTask a = new CheckedFJTask() { |
1554 |
public void realCompute() { |
1555 |
CCF f = new LCCF(null, 8); |
1556 |
assertTrue(f.cancel(true)); |
1557 |
assertSame(f, f.fork()); |
1558 |
f.quietlyJoin(); |
1559 |
checkCancelled(f); |
1560 |
}}; |
1561 |
testInvokeOnPool(singletonPool(), a); |
1562 |
} |
1563 |
|
1564 |
/** |
1565 |
* invoke task throws exception after invoking completeExceptionally |
1566 |
*/ |
1567 |
public void testCompleteExceptionallySingleton() { |
1568 |
ForkJoinTask a = new CheckedFJTask() { |
1569 |
public void realCompute() { |
1570 |
CCF f = new LCCF(null, 8); |
1571 |
f.completeExceptionally(new FJException()); |
1572 |
try { |
1573 |
f.invoke(); |
1574 |
shouldThrow(); |
1575 |
} catch (FJException success) { |
1576 |
checkCompletedAbnormally(f, success); |
1577 |
} |
1578 |
}}; |
1579 |
testInvokeOnPool(singletonPool(), a); |
1580 |
} |
1581 |
|
1582 |
/** |
1583 |
* invokeAll(t1, t2) invokes all task arguments |
1584 |
*/ |
1585 |
public void testInvokeAll2Singleton() { |
1586 |
ForkJoinTask a = new CheckedFJTask() { |
1587 |
public void realCompute() { |
1588 |
CCF f = new LCCF(null, 8); |
1589 |
CCF g = new LCCF(null, 9); |
1590 |
invokeAll(f, g); |
1591 |
assertEquals(21, f.number); |
1592 |
assertEquals(34, g.number); |
1593 |
checkCompletedNormally(f); |
1594 |
checkCompletedNormally(g); |
1595 |
}}; |
1596 |
testInvokeOnPool(singletonPool(), a); |
1597 |
} |
1598 |
|
1599 |
/** |
1600 |
* invokeAll(tasks) with 1 argument invokes task |
1601 |
*/ |
1602 |
public void testInvokeAll1Singleton() { |
1603 |
ForkJoinTask a = new CheckedFJTask() { |
1604 |
public void realCompute() { |
1605 |
CCF f = new LCCF(null, 8); |
1606 |
invokeAll(f); |
1607 |
checkCompletedNormally(f); |
1608 |
assertEquals(21, f.number); |
1609 |
}}; |
1610 |
testInvokeOnPool(singletonPool(), a); |
1611 |
} |
1612 |
|
1613 |
/** |
1614 |
* invokeAll(tasks) with > 2 argument invokes tasks |
1615 |
*/ |
1616 |
public void testInvokeAll3Singleton() { |
1617 |
ForkJoinTask a = new CheckedFJTask() { |
1618 |
public void realCompute() { |
1619 |
CCF f = new LCCF(null, 8); |
1620 |
CCF g = new LCCF(null, 9); |
1621 |
CCF h = new LCCF(null, 7); |
1622 |
invokeAll(f, g, h); |
1623 |
assertEquals(21, f.number); |
1624 |
assertEquals(34, g.number); |
1625 |
assertEquals(13, h.number); |
1626 |
checkCompletedNormally(f); |
1627 |
checkCompletedNormally(g); |
1628 |
checkCompletedNormally(h); |
1629 |
}}; |
1630 |
testInvokeOnPool(singletonPool(), a); |
1631 |
} |
1632 |
|
1633 |
/** |
1634 |
* invokeAll(collection) invokes all tasks in the collection |
1635 |
*/ |
1636 |
public void testInvokeAllCollectionSingleton() { |
1637 |
ForkJoinTask a = new CheckedFJTask() { |
1638 |
public void realCompute() { |
1639 |
CCF f = new LCCF(null, 8); |
1640 |
CCF g = new LCCF(null, 9); |
1641 |
CCF h = new LCCF(null, 7); |
1642 |
HashSet set = new HashSet(); |
1643 |
set.add(f); |
1644 |
set.add(g); |
1645 |
set.add(h); |
1646 |
invokeAll(set); |
1647 |
assertEquals(21, f.number); |
1648 |
assertEquals(34, g.number); |
1649 |
assertEquals(13, h.number); |
1650 |
checkCompletedNormally(f); |
1651 |
checkCompletedNormally(g); |
1652 |
checkCompletedNormally(h); |
1653 |
}}; |
1654 |
testInvokeOnPool(singletonPool(), a); |
1655 |
} |
1656 |
|
1657 |
/** |
1658 |
* invokeAll(tasks) with any null task throws NPE |
1659 |
*/ |
1660 |
public void testInvokeAllNPESingleton() { |
1661 |
ForkJoinTask a = new CheckedFJTask() { |
1662 |
public void realCompute() { |
1663 |
CCF f = new LCCF(null, 8); |
1664 |
CCF g = new LCCF(null, 9); |
1665 |
CCF h = null; |
1666 |
try { |
1667 |
invokeAll(f, g, h); |
1668 |
shouldThrow(); |
1669 |
} catch (NullPointerException success) {} |
1670 |
}}; |
1671 |
testInvokeOnPool(singletonPool(), a); |
1672 |
} |
1673 |
|
1674 |
/** |
1675 |
* invokeAll(t1, t2) throw exception if any task does |
1676 |
*/ |
1677 |
public void testAbnormalInvokeAll2Singleton() { |
1678 |
ForkJoinTask a = new CheckedFJTask() { |
1679 |
public void realCompute() { |
1680 |
CCF f = new LCCF(null, 8); |
1681 |
FailingCCF g = new LFCCF(null, 9); |
1682 |
try { |
1683 |
invokeAll(f, g); |
1684 |
shouldThrow(); |
1685 |
} catch (FJException success) { |
1686 |
checkCompletedAbnormally(g, success); |
1687 |
} |
1688 |
}}; |
1689 |
testInvokeOnPool(singletonPool(), a); |
1690 |
} |
1691 |
|
1692 |
/** |
1693 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1694 |
*/ |
1695 |
public void testAbnormalInvokeAll1Singleton() { |
1696 |
ForkJoinTask a = new CheckedFJTask() { |
1697 |
public void realCompute() { |
1698 |
FailingCCF g = new LFCCF(null, 9); |
1699 |
try { |
1700 |
invokeAll(g); |
1701 |
shouldThrow(); |
1702 |
} catch (FJException success) { |
1703 |
checkCompletedAbnormally(g, success); |
1704 |
} |
1705 |
}}; |
1706 |
testInvokeOnPool(singletonPool(), a); |
1707 |
} |
1708 |
|
1709 |
/** |
1710 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1711 |
*/ |
1712 |
public void testAbnormalInvokeAll3Singleton() { |
1713 |
ForkJoinTask a = new CheckedFJTask() { |
1714 |
public void realCompute() { |
1715 |
CCF f = new LCCF(null, 8); |
1716 |
FailingCCF g = new LFCCF(null, 9); |
1717 |
CCF h = new LCCF(null, 7); |
1718 |
try { |
1719 |
invokeAll(f, g, h); |
1720 |
shouldThrow(); |
1721 |
} catch (FJException success) { |
1722 |
checkCompletedAbnormally(g, success); |
1723 |
} |
1724 |
}}; |
1725 |
testInvokeOnPool(singletonPool(), a); |
1726 |
} |
1727 |
|
1728 |
/** |
1729 |
* invokeAll(collection) throws exception if any task does |
1730 |
*/ |
1731 |
public void testAbnormalInvokeAllCollectionSingleton() { |
1732 |
ForkJoinTask a = new CheckedFJTask() { |
1733 |
public void realCompute() { |
1734 |
FailingCCF f = new LFCCF(null, 8); |
1735 |
CCF g = new LCCF(null, 9); |
1736 |
CCF h = new LCCF(null, 7); |
1737 |
HashSet set = new HashSet(); |
1738 |
set.add(f); |
1739 |
set.add(g); |
1740 |
set.add(h); |
1741 |
try { |
1742 |
invokeAll(set); |
1743 |
shouldThrow(); |
1744 |
} catch (FJException success) { |
1745 |
checkCompletedAbnormally(f, success); |
1746 |
} |
1747 |
}}; |
1748 |
testInvokeOnPool(singletonPool(), a); |
1749 |
} |
1750 |
|
1751 |
} |