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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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|
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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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|
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import java.util.HashSet; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountedCompleter; |
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import java.util.concurrent.ExecutionException; |
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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.TimeoutException; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.concurrent.atomic.AtomicReference; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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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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main(suite(), args); |
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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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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 (PoolCleaner cleaner = cleaner(pool)) { |
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assertFalse(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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|
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assertNull(pool.invoke(a)); |
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|
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assertTrue(a.isDone()); |
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assertTrue(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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} |
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} |
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|
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void checkNotDone(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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void checkCompletedNormally(CountedCompleter<?> a) { |
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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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assertNull(a.getRawResult()); |
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|
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{ |
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Thread.currentThread().interrupt(); |
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long startTime = System.nanoTime(); |
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assertNull(a.join()); |
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assertTrue(millisElapsedSince(startTime) < 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 startTime = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(startTime) < 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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assertNull(a.get()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertNull(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 startTime = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(startTime) < 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 startTime = System.nanoTime(); |
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a.quietlyJoin(); // should be no-op |
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assertTrue(millisElapsedSince(startTime) < 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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try { |
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a.invoke(); |
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shouldThrow(); |
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} catch (Throwable success) { |
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assertSame(t, success); |
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} |
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} |
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|
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public static final class FJException extends RuntimeException { |
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FJException() { super(); } |
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} |
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|
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abstract class CheckedCC extends CountedCompleter<Object> { |
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final AtomicInteger computeN = new AtomicInteger(0); |
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final AtomicInteger onCompletionN = new AtomicInteger(0); |
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final AtomicInteger onExceptionalCompletionN = new AtomicInteger(0); |
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final AtomicInteger setRawResultN = new AtomicInteger(0); |
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final AtomicReference<Object> rawResult = new AtomicReference<Object>(null); |
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int computeN() { return computeN.get(); } |
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int onCompletionN() { return onCompletionN.get(); } |
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int onExceptionalCompletionN() { return onExceptionalCompletionN.get(); } |
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int setRawResultN() { return setRawResultN.get(); } |
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|
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CheckedCC() { super(); } |
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CheckedCC(CountedCompleter p) { super(p); } |
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CheckedCC(CountedCompleter p, int n) { super(p, n); } |
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abstract void realCompute(); |
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public final void compute() { |
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computeN.incrementAndGet(); |
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realCompute(); |
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} |
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public void onCompletion(CountedCompleter caller) { |
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onCompletionN.incrementAndGet(); |
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super.onCompletion(caller); |
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} |
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public boolean onExceptionalCompletion(Throwable ex, |
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CountedCompleter caller) { |
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onExceptionalCompletionN.incrementAndGet(); |
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assertNotNull(ex); |
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assertTrue(isCompletedAbnormally()); |
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assertTrue(super.onExceptionalCompletion(ex, caller)); |
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return true; |
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} |
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protected void setRawResult(Object t) { |
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setRawResultN.incrementAndGet(); |
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rawResult.set(t); |
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super.setRawResult(t); |
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} |
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void checkIncomplete() { |
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assertEquals(0, computeN()); |
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assertEquals(0, onCompletionN()); |
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assertEquals(0, onExceptionalCompletionN()); |
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assertEquals(0, setRawResultN()); |
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checkNotDone(this); |
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} |
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void checkCompletes(Object rawResult) { |
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checkIncomplete(); |
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int pendingCount = getPendingCount(); |
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complete(rawResult); |
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assertEquals(pendingCount, getPendingCount()); |
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assertEquals(0, computeN()); |
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assertEquals(1, onCompletionN()); |
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assertEquals(0, onExceptionalCompletionN()); |
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assertEquals(1, setRawResultN()); |
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assertSame(rawResult, this.rawResult.get()); |
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checkCompletedNormally(this); |
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} |
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void checkCompletesExceptionally(Throwable ex) { |
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checkIncomplete(); |
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completeExceptionally(ex); |
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checkCompletedExceptionally(ex); |
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} |
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void checkCompletedExceptionally(Throwable ex) { |
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assertEquals(0, computeN()); |
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assertEquals(0, onCompletionN()); |
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assertEquals(1, onExceptionalCompletionN()); |
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assertEquals(0, setRawResultN()); |
273 |
assertNull(this.rawResult.get()); |
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checkCompletedAbnormally(this, ex); |
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} |
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} |
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|
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final class NoopCC extends CheckedCC { |
279 |
NoopCC() { super(); } |
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NoopCC(CountedCompleter p) { super(p); } |
281 |
NoopCC(CountedCompleter p, int initialPendingCount) { |
282 |
super(p, initialPendingCount); |
283 |
} |
284 |
protected void realCompute() {} |
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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. pendingCount is ignored. |
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*/ |
291 |
public void testComplete() { |
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for (Object x : new Object[] { Boolean.TRUE, null }) { |
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for (int pendingCount : new int[] { 0, 42 }) { |
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testComplete(new NoopCC(), x, pendingCount); |
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testComplete(new NoopCC(new NoopCC()), x, pendingCount); |
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} |
297 |
} |
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} |
299 |
void testComplete(NoopCC cc, Object x, int pendingCount) { |
300 |
cc.setPendingCount(pendingCount); |
301 |
cc.checkCompletes(x); |
302 |
assertEquals(pendingCount, cc.getPendingCount()); |
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} |
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|
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/** |
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* completeExceptionally completes exceptionally |
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*/ |
308 |
public void testCompleteExceptionally() { |
309 |
new NoopCC() |
310 |
.checkCompletesExceptionally(new FJException()); |
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new NoopCC(new NoopCC()) |
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.checkCompletesExceptionally(new FJException()); |
313 |
} |
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|
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/** |
316 |
* completeExceptionally(null) surprisingly has the same effect as |
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* completeExceptionally(new RuntimeException()) |
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*/ |
319 |
public void testCompleteExceptionally_null() { |
320 |
NoopCC a = new NoopCC(); |
321 |
a.completeExceptionally(null); |
322 |
try { |
323 |
a.invoke(); |
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shouldThrow(); |
325 |
} catch (RuntimeException success) { |
326 |
assertSame(success.getClass(), RuntimeException.class); |
327 |
assertNull(success.getCause()); |
328 |
a.checkCompletedExceptionally(success); |
329 |
} |
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} |
331 |
|
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/** |
333 |
* setPendingCount sets the reported pending count |
334 |
*/ |
335 |
public void testSetPendingCount() { |
336 |
NoopCC a = new NoopCC(); |
337 |
assertEquals(0, a.getPendingCount()); |
338 |
a.setPendingCount(1); |
339 |
assertEquals(1, a.getPendingCount()); |
340 |
a.setPendingCount(27); |
341 |
assertEquals(27, a.getPendingCount()); |
342 |
} |
343 |
|
344 |
/** |
345 |
* addToPendingCount adds to the reported pending count |
346 |
*/ |
347 |
public void testAddToPendingCount() { |
348 |
NoopCC a = new NoopCC(); |
349 |
assertEquals(0, a.getPendingCount()); |
350 |
a.addToPendingCount(1); |
351 |
assertEquals(1, a.getPendingCount()); |
352 |
a.addToPendingCount(27); |
353 |
assertEquals(28, a.getPendingCount()); |
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} |
355 |
|
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/** |
357 |
* decrementPendingCountUnlessZero decrements reported pending |
358 |
* count unless zero |
359 |
*/ |
360 |
public void testDecrementPendingCountUnlessZero() { |
361 |
NoopCC a = new NoopCC(null, 2); |
362 |
assertEquals(2, a.getPendingCount()); |
363 |
assertEquals(2, a.decrementPendingCountUnlessZero()); |
364 |
assertEquals(1, a.getPendingCount()); |
365 |
assertEquals(1, a.decrementPendingCountUnlessZero()); |
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assertEquals(0, a.getPendingCount()); |
367 |
assertEquals(0, a.decrementPendingCountUnlessZero()); |
368 |
assertEquals(0, a.getPendingCount()); |
369 |
} |
370 |
|
371 |
/** |
372 |
* compareAndSetPendingCount compares and sets the reported |
373 |
* pending count |
374 |
*/ |
375 |
public void testCompareAndSetPendingCount() { |
376 |
NoopCC a = new NoopCC(); |
377 |
assertEquals(0, a.getPendingCount()); |
378 |
assertTrue(a.compareAndSetPendingCount(0, 1)); |
379 |
assertEquals(1, a.getPendingCount()); |
380 |
assertTrue(a.compareAndSetPendingCount(1, 2)); |
381 |
assertEquals(2, a.getPendingCount()); |
382 |
assertFalse(a.compareAndSetPendingCount(1, 3)); |
383 |
assertEquals(2, a.getPendingCount()); |
384 |
} |
385 |
|
386 |
/** |
387 |
* getCompleter returns parent or null if at root |
388 |
*/ |
389 |
public void testGetCompleter() { |
390 |
NoopCC a = new NoopCC(); |
391 |
assertNull(a.getCompleter()); |
392 |
CountedCompleter b = new NoopCC(a); |
393 |
assertSame(a, b.getCompleter()); |
394 |
CountedCompleter c = new NoopCC(b); |
395 |
assertSame(b, c.getCompleter()); |
396 |
} |
397 |
|
398 |
/** |
399 |
* getRoot returns self if no parent, else parent's root |
400 |
*/ |
401 |
public void testGetRoot() { |
402 |
NoopCC a = new NoopCC(); |
403 |
NoopCC b = new NoopCC(a); |
404 |
NoopCC c = new NoopCC(b); |
405 |
assertSame(a, a.getRoot()); |
406 |
assertSame(a, b.getRoot()); |
407 |
assertSame(a, c.getRoot()); |
408 |
} |
409 |
|
410 |
/** |
411 |
* tryComplete decrements pending count unless zero, in which case |
412 |
* causes completion |
413 |
*/ |
414 |
public void testTryComplete() { |
415 |
NoopCC a = new NoopCC(); |
416 |
assertEquals(0, a.getPendingCount()); |
417 |
int n = 3; |
418 |
a.setPendingCount(n); |
419 |
for (; n > 0; n--) { |
420 |
assertEquals(n, a.getPendingCount()); |
421 |
a.tryComplete(); |
422 |
a.checkIncomplete(); |
423 |
assertEquals(n - 1, a.getPendingCount()); |
424 |
} |
425 |
a.tryComplete(); |
426 |
assertEquals(0, a.computeN()); |
427 |
assertEquals(1, a.onCompletionN()); |
428 |
assertEquals(0, a.onExceptionalCompletionN()); |
429 |
assertEquals(0, a.setRawResultN()); |
430 |
checkCompletedNormally(a); |
431 |
} |
432 |
|
433 |
/** |
434 |
* propagateCompletion decrements pending count unless zero, in |
435 |
* which case causes completion, without invoking onCompletion |
436 |
*/ |
437 |
public void testPropagateCompletion() { |
438 |
NoopCC a = new NoopCC(); |
439 |
assertEquals(0, a.getPendingCount()); |
440 |
int n = 3; |
441 |
a.setPendingCount(n); |
442 |
for (; n > 0; n--) { |
443 |
assertEquals(n, a.getPendingCount()); |
444 |
a.propagateCompletion(); |
445 |
a.checkIncomplete(); |
446 |
assertEquals(n - 1, a.getPendingCount()); |
447 |
} |
448 |
a.propagateCompletion(); |
449 |
assertEquals(0, a.computeN()); |
450 |
assertEquals(0, a.onCompletionN()); |
451 |
assertEquals(0, a.onExceptionalCompletionN()); |
452 |
assertEquals(0, a.setRawResultN()); |
453 |
checkCompletedNormally(a); |
454 |
} |
455 |
|
456 |
/** |
457 |
* firstComplete returns this if pending count is zero else null |
458 |
*/ |
459 |
public void testFirstComplete() { |
460 |
NoopCC a = new NoopCC(); |
461 |
a.setPendingCount(1); |
462 |
assertNull(a.firstComplete()); |
463 |
a.checkIncomplete(); |
464 |
assertSame(a, a.firstComplete()); |
465 |
a.checkIncomplete(); |
466 |
} |
467 |
|
468 |
/** |
469 |
* firstComplete.nextComplete returns parent if pending count is |
470 |
* zero else null |
471 |
*/ |
472 |
public void testNextComplete() { |
473 |
NoopCC a = new NoopCC(); |
474 |
NoopCC b = new NoopCC(a); |
475 |
a.setPendingCount(1); |
476 |
b.setPendingCount(1); |
477 |
assertNull(b.firstComplete()); |
478 |
assertSame(b, b.firstComplete()); |
479 |
assertNull(b.nextComplete()); |
480 |
a.checkIncomplete(); |
481 |
b.checkIncomplete(); |
482 |
assertSame(a, b.nextComplete()); |
483 |
assertSame(a, b.nextComplete()); |
484 |
a.checkIncomplete(); |
485 |
b.checkIncomplete(); |
486 |
assertNull(a.nextComplete()); |
487 |
b.checkIncomplete(); |
488 |
checkCompletedNormally(a); |
489 |
} |
490 |
|
491 |
/** |
492 |
* quietlyCompleteRoot completes root task |
493 |
*/ |
494 |
public void testQuietlyCompleteRoot() { |
495 |
NoopCC a = new NoopCC(); |
496 |
NoopCC b = new NoopCC(a); |
497 |
NoopCC c = new NoopCC(b); |
498 |
a.setPendingCount(1); |
499 |
b.setPendingCount(1); |
500 |
c.setPendingCount(1); |
501 |
c.quietlyCompleteRoot(); |
502 |
assertTrue(a.isDone()); |
503 |
assertFalse(b.isDone()); |
504 |
assertFalse(c.isDone()); |
505 |
} |
506 |
|
507 |
// Invocation tests use some interdependent task classes |
508 |
// to better test propagation etc |
509 |
|
510 |
/** |
511 |
* Version of Fibonacci with different classes for left vs right forks |
512 |
*/ |
513 |
abstract class CCF extends CheckedCC { |
514 |
int number; |
515 |
int rnumber; |
516 |
|
517 |
public CCF(CountedCompleter parent, int n) { |
518 |
super(parent, 1); |
519 |
this.number = n; |
520 |
} |
521 |
|
522 |
protected final void realCompute() { |
523 |
CCF f = this; |
524 |
int n = number; |
525 |
while (n >= 2) { |
526 |
new RCCF(f, n - 2).fork(); |
527 |
f = new LCCF(f, --n); |
528 |
} |
529 |
f.complete(null); |
530 |
} |
531 |
} |
532 |
|
533 |
final class LCCF extends CCF { |
534 |
public LCCF(int n) { this(null, n); } |
535 |
public LCCF(CountedCompleter parent, int n) { |
536 |
super(parent, n); |
537 |
} |
538 |
public final void onCompletion(CountedCompleter caller) { |
539 |
super.onCompletion(caller); |
540 |
CCF p = (CCF)getCompleter(); |
541 |
int n = number + rnumber; |
542 |
if (p != null) |
543 |
p.number = n; |
544 |
else |
545 |
number = n; |
546 |
} |
547 |
} |
548 |
final class RCCF extends CCF { |
549 |
public RCCF(CountedCompleter parent, int n) { |
550 |
super(parent, n); |
551 |
} |
552 |
public final void onCompletion(CountedCompleter caller) { |
553 |
super.onCompletion(caller); |
554 |
CCF p = (CCF)getCompleter(); |
555 |
int n = number + rnumber; |
556 |
if (p != null) |
557 |
p.rnumber = n; |
558 |
else |
559 |
number = n; |
560 |
} |
561 |
} |
562 |
|
563 |
// Version of CCF with forced failure in left completions |
564 |
abstract class FailingCCF extends CheckedCC { |
565 |
int number; |
566 |
int rnumber; |
567 |
|
568 |
public FailingCCF(CountedCompleter parent, int n) { |
569 |
super(parent, 1); |
570 |
this.number = n; |
571 |
} |
572 |
|
573 |
protected final void realCompute() { |
574 |
FailingCCF f = this; |
575 |
int n = number; |
576 |
while (n >= 2) { |
577 |
new RFCCF(f, n - 2).fork(); |
578 |
f = new LFCCF(f, --n); |
579 |
} |
580 |
f.complete(null); |
581 |
} |
582 |
} |
583 |
|
584 |
final class LFCCF extends FailingCCF { |
585 |
public LFCCF(int n) { this(null, n); } |
586 |
public LFCCF(CountedCompleter parent, int n) { |
587 |
super(parent, n); |
588 |
} |
589 |
public final void onCompletion(CountedCompleter caller) { |
590 |
super.onCompletion(caller); |
591 |
FailingCCF p = (FailingCCF)getCompleter(); |
592 |
int n = number + rnumber; |
593 |
if (p != null) |
594 |
p.number = n; |
595 |
else |
596 |
number = n; |
597 |
} |
598 |
} |
599 |
final class RFCCF extends FailingCCF { |
600 |
public RFCCF(CountedCompleter parent, int n) { |
601 |
super(parent, n); |
602 |
} |
603 |
public final void onCompletion(CountedCompleter caller) { |
604 |
super.onCompletion(caller); |
605 |
completeExceptionally(new FJException()); |
606 |
} |
607 |
} |
608 |
|
609 |
/** |
610 |
* invoke returns when task completes normally. |
611 |
* isCompletedAbnormally and isCancelled return false for normally |
612 |
* completed tasks; getRawResult returns null. |
613 |
*/ |
614 |
public void testInvoke() { |
615 |
ForkJoinTask a = new CheckedRecursiveAction() { |
616 |
protected void realCompute() { |
617 |
CCF f = new LCCF(8); |
618 |
assertNull(f.invoke()); |
619 |
assertEquals(21, f.number); |
620 |
checkCompletedNormally(f); |
621 |
}}; |
622 |
testInvokeOnPool(mainPool(), a); |
623 |
} |
624 |
|
625 |
/** |
626 |
* quietlyInvoke task returns when task completes normally. |
627 |
* isCompletedAbnormally and isCancelled return false for normally |
628 |
* completed tasks |
629 |
*/ |
630 |
public void testQuietlyInvoke() { |
631 |
ForkJoinTask a = new CheckedRecursiveAction() { |
632 |
protected void realCompute() { |
633 |
CCF f = new LCCF(8); |
634 |
f.quietlyInvoke(); |
635 |
assertEquals(21, f.number); |
636 |
checkCompletedNormally(f); |
637 |
}}; |
638 |
testInvokeOnPool(mainPool(), a); |
639 |
} |
640 |
|
641 |
/** |
642 |
* join of a forked task returns when task completes |
643 |
*/ |
644 |
public void testForkJoin() { |
645 |
ForkJoinTask a = new CheckedRecursiveAction() { |
646 |
protected void realCompute() { |
647 |
CCF f = new LCCF(8); |
648 |
assertSame(f, f.fork()); |
649 |
assertNull(f.join()); |
650 |
assertEquals(21, f.number); |
651 |
checkCompletedNormally(f); |
652 |
}}; |
653 |
testInvokeOnPool(mainPool(), a); |
654 |
} |
655 |
|
656 |
/** |
657 |
* get of a forked task returns when task completes |
658 |
*/ |
659 |
public void testForkGet() { |
660 |
ForkJoinTask a = new CheckedRecursiveAction() { |
661 |
protected void realCompute() throws Exception { |
662 |
CCF f = new LCCF(8); |
663 |
assertSame(f, f.fork()); |
664 |
assertNull(f.get()); |
665 |
assertEquals(21, f.number); |
666 |
checkCompletedNormally(f); |
667 |
}}; |
668 |
testInvokeOnPool(mainPool(), a); |
669 |
} |
670 |
|
671 |
/** |
672 |
* timed get of a forked task returns when task completes |
673 |
*/ |
674 |
public void testForkTimedGet() { |
675 |
ForkJoinTask a = new CheckedRecursiveAction() { |
676 |
protected void realCompute() throws Exception { |
677 |
CCF f = new LCCF(8); |
678 |
assertSame(f, f.fork()); |
679 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
680 |
assertEquals(21, f.number); |
681 |
checkCompletedNormally(f); |
682 |
}}; |
683 |
testInvokeOnPool(mainPool(), a); |
684 |
} |
685 |
|
686 |
/** |
687 |
* timed get with null time unit throws NPE |
688 |
*/ |
689 |
public void testForkTimedGetNPE() { |
690 |
ForkJoinTask a = new CheckedRecursiveAction() { |
691 |
protected void realCompute() throws Exception { |
692 |
CCF f = new LCCF(8); |
693 |
assertSame(f, f.fork()); |
694 |
try { |
695 |
f.get(5L, null); |
696 |
shouldThrow(); |
697 |
} catch (NullPointerException success) {} |
698 |
}}; |
699 |
testInvokeOnPool(mainPool(), a); |
700 |
} |
701 |
|
702 |
/** |
703 |
* quietlyJoin of a forked task returns when task completes |
704 |
*/ |
705 |
public void testForkQuietlyJoin() { |
706 |
ForkJoinTask a = new CheckedRecursiveAction() { |
707 |
protected void realCompute() { |
708 |
CCF f = new LCCF(8); |
709 |
assertSame(f, f.fork()); |
710 |
f.quietlyJoin(); |
711 |
assertEquals(21, f.number); |
712 |
checkCompletedNormally(f); |
713 |
}}; |
714 |
testInvokeOnPool(mainPool(), a); |
715 |
} |
716 |
|
717 |
/** |
718 |
* helpQuiesce returns when tasks are complete. |
719 |
* getQueuedTaskCount returns 0 when quiescent |
720 |
*/ |
721 |
public void testForkHelpQuiesce() { |
722 |
ForkJoinTask a = new CheckedRecursiveAction() { |
723 |
protected void realCompute() { |
724 |
CCF f = new LCCF(8); |
725 |
assertSame(f, f.fork()); |
726 |
helpQuiesce(); |
727 |
assertEquals(21, f.number); |
728 |
assertEquals(0, getQueuedTaskCount()); |
729 |
checkCompletedNormally(f); |
730 |
}}; |
731 |
testInvokeOnPool(mainPool(), a); |
732 |
} |
733 |
|
734 |
/** |
735 |
* invoke task throws exception when task completes abnormally |
736 |
*/ |
737 |
public void testAbnormalInvoke() { |
738 |
ForkJoinTask a = new CheckedRecursiveAction() { |
739 |
protected void realCompute() { |
740 |
FailingCCF f = new LFCCF(8); |
741 |
try { |
742 |
f.invoke(); |
743 |
shouldThrow(); |
744 |
} catch (FJException success) { |
745 |
checkCompletedAbnormally(f, success); |
746 |
} |
747 |
}}; |
748 |
testInvokeOnPool(mainPool(), a); |
749 |
} |
750 |
|
751 |
/** |
752 |
* quietlyInvoke task returns when task completes abnormally |
753 |
*/ |
754 |
public void testAbnormalQuietlyInvoke() { |
755 |
ForkJoinTask a = new CheckedRecursiveAction() { |
756 |
protected void realCompute() { |
757 |
FailingCCF f = new LFCCF(8); |
758 |
f.quietlyInvoke(); |
759 |
assertTrue(f.getException() instanceof FJException); |
760 |
checkCompletedAbnormally(f, f.getException()); |
761 |
}}; |
762 |
testInvokeOnPool(mainPool(), a); |
763 |
} |
764 |
|
765 |
/** |
766 |
* join of a forked task throws exception when task completes abnormally |
767 |
*/ |
768 |
public void testAbnormalForkJoin() { |
769 |
ForkJoinTask a = new CheckedRecursiveAction() { |
770 |
protected void realCompute() { |
771 |
FailingCCF f = new LFCCF(8); |
772 |
assertSame(f, f.fork()); |
773 |
try { |
774 |
f.join(); |
775 |
shouldThrow(); |
776 |
} catch (FJException success) { |
777 |
checkCompletedAbnormally(f, success); |
778 |
} |
779 |
}}; |
780 |
testInvokeOnPool(mainPool(), a); |
781 |
} |
782 |
|
783 |
/** |
784 |
* get of a forked task throws exception when task completes abnormally |
785 |
*/ |
786 |
public void testAbnormalForkGet() { |
787 |
ForkJoinTask a = new CheckedRecursiveAction() { |
788 |
protected void realCompute() throws Exception { |
789 |
FailingCCF f = new LFCCF(8); |
790 |
assertSame(f, f.fork()); |
791 |
try { |
792 |
f.get(); |
793 |
shouldThrow(); |
794 |
} catch (ExecutionException success) { |
795 |
Throwable cause = success.getCause(); |
796 |
assertTrue(cause instanceof FJException); |
797 |
checkCompletedAbnormally(f, cause); |
798 |
} |
799 |
}}; |
800 |
testInvokeOnPool(mainPool(), a); |
801 |
} |
802 |
|
803 |
/** |
804 |
* timed get of a forked task throws exception when task completes abnormally |
805 |
*/ |
806 |
public void testAbnormalForkTimedGet() { |
807 |
ForkJoinTask a = new CheckedRecursiveAction() { |
808 |
protected void realCompute() throws Exception { |
809 |
FailingCCF f = new LFCCF(8); |
810 |
assertSame(f, f.fork()); |
811 |
try { |
812 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
813 |
shouldThrow(); |
814 |
} catch (ExecutionException success) { |
815 |
Throwable cause = success.getCause(); |
816 |
assertTrue(cause instanceof FJException); |
817 |
checkCompletedAbnormally(f, cause); |
818 |
} |
819 |
}}; |
820 |
testInvokeOnPool(mainPool(), a); |
821 |
} |
822 |
|
823 |
/** |
824 |
* quietlyJoin of a forked task returns when task completes abnormally |
825 |
*/ |
826 |
public void testAbnormalForkQuietlyJoin() { |
827 |
ForkJoinTask a = new CheckedRecursiveAction() { |
828 |
protected void realCompute() { |
829 |
FailingCCF f = new LFCCF(8); |
830 |
assertSame(f, f.fork()); |
831 |
f.quietlyJoin(); |
832 |
assertTrue(f.getException() instanceof FJException); |
833 |
checkCompletedAbnormally(f, f.getException()); |
834 |
}}; |
835 |
testInvokeOnPool(mainPool(), a); |
836 |
} |
837 |
|
838 |
/** |
839 |
* invoke task throws exception when task cancelled |
840 |
*/ |
841 |
public void testCancelledInvoke() { |
842 |
ForkJoinTask a = new CheckedRecursiveAction() { |
843 |
protected void realCompute() { |
844 |
CCF f = new LCCF(8); |
845 |
assertTrue(f.cancel(true)); |
846 |
try { |
847 |
f.invoke(); |
848 |
shouldThrow(); |
849 |
} catch (CancellationException success) { |
850 |
checkCancelled(f); |
851 |
} |
852 |
}}; |
853 |
testInvokeOnPool(mainPool(), a); |
854 |
} |
855 |
|
856 |
/** |
857 |
* join of a forked task throws exception when task cancelled |
858 |
*/ |
859 |
public void testCancelledForkJoin() { |
860 |
ForkJoinTask a = new CheckedRecursiveAction() { |
861 |
protected void realCompute() { |
862 |
CCF f = new LCCF(8); |
863 |
assertTrue(f.cancel(true)); |
864 |
assertSame(f, f.fork()); |
865 |
try { |
866 |
f.join(); |
867 |
shouldThrow(); |
868 |
} catch (CancellationException success) { |
869 |
checkCancelled(f); |
870 |
} |
871 |
}}; |
872 |
testInvokeOnPool(mainPool(), a); |
873 |
} |
874 |
|
875 |
/** |
876 |
* get of a forked task throws exception when task cancelled |
877 |
*/ |
878 |
public void testCancelledForkGet() { |
879 |
ForkJoinTask a = new CheckedRecursiveAction() { |
880 |
protected void realCompute() throws Exception { |
881 |
CCF f = new LCCF(8); |
882 |
assertTrue(f.cancel(true)); |
883 |
assertSame(f, f.fork()); |
884 |
try { |
885 |
f.get(); |
886 |
shouldThrow(); |
887 |
} catch (CancellationException success) { |
888 |
checkCancelled(f); |
889 |
} |
890 |
}}; |
891 |
testInvokeOnPool(mainPool(), a); |
892 |
} |
893 |
|
894 |
/** |
895 |
* timed get of a forked task throws exception when task cancelled |
896 |
*/ |
897 |
public void testCancelledForkTimedGet() throws Exception { |
898 |
ForkJoinTask a = new CheckedRecursiveAction() { |
899 |
protected void realCompute() throws Exception { |
900 |
CCF f = new LCCF(8); |
901 |
assertTrue(f.cancel(true)); |
902 |
assertSame(f, f.fork()); |
903 |
try { |
904 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
905 |
shouldThrow(); |
906 |
} catch (CancellationException success) { |
907 |
checkCancelled(f); |
908 |
} |
909 |
}}; |
910 |
testInvokeOnPool(mainPool(), a); |
911 |
} |
912 |
|
913 |
/** |
914 |
* quietlyJoin of a forked task returns when task cancelled |
915 |
*/ |
916 |
public void testCancelledForkQuietlyJoin() { |
917 |
ForkJoinTask a = new CheckedRecursiveAction() { |
918 |
protected void realCompute() { |
919 |
CCF f = new LCCF(8); |
920 |
assertTrue(f.cancel(true)); |
921 |
assertSame(f, f.fork()); |
922 |
f.quietlyJoin(); |
923 |
checkCancelled(f); |
924 |
}}; |
925 |
testInvokeOnPool(mainPool(), a); |
926 |
} |
927 |
|
928 |
/** |
929 |
* getPool of executing task returns its pool |
930 |
*/ |
931 |
public void testGetPool() { |
932 |
final ForkJoinPool mainPool = mainPool(); |
933 |
ForkJoinTask a = new CheckedRecursiveAction() { |
934 |
protected void realCompute() { |
935 |
assertSame(mainPool, getPool()); |
936 |
}}; |
937 |
testInvokeOnPool(mainPool, a); |
938 |
} |
939 |
|
940 |
/** |
941 |
* getPool of non-FJ task returns null |
942 |
*/ |
943 |
public void testGetPool2() { |
944 |
ForkJoinTask a = new CheckedRecursiveAction() { |
945 |
protected void realCompute() { |
946 |
assertNull(getPool()); |
947 |
}}; |
948 |
assertNull(a.invoke()); |
949 |
} |
950 |
|
951 |
/** |
952 |
* inForkJoinPool of executing task returns true |
953 |
*/ |
954 |
public void testInForkJoinPool() { |
955 |
ForkJoinTask a = new CheckedRecursiveAction() { |
956 |
protected void realCompute() { |
957 |
assertTrue(inForkJoinPool()); |
958 |
}}; |
959 |
testInvokeOnPool(mainPool(), a); |
960 |
} |
961 |
|
962 |
/** |
963 |
* inForkJoinPool of non-FJ task returns false |
964 |
*/ |
965 |
public void testInForkJoinPool2() { |
966 |
ForkJoinTask a = new CheckedRecursiveAction() { |
967 |
protected void realCompute() { |
968 |
assertFalse(inForkJoinPool()); |
969 |
}}; |
970 |
assertNull(a.invoke()); |
971 |
} |
972 |
|
973 |
/** |
974 |
* setRawResult(null) succeeds |
975 |
*/ |
976 |
public void testSetRawResult() { |
977 |
ForkJoinTask a = new CheckedRecursiveAction() { |
978 |
protected void realCompute() { |
979 |
setRawResult(null); |
980 |
assertNull(getRawResult()); |
981 |
}}; |
982 |
assertNull(a.invoke()); |
983 |
} |
984 |
|
985 |
/** |
986 |
* invoke task throws exception after invoking completeExceptionally |
987 |
*/ |
988 |
public void testCompleteExceptionally2() { |
989 |
ForkJoinTask a = new CheckedRecursiveAction() { |
990 |
protected void realCompute() { |
991 |
CCF n = new LCCF(8); |
992 |
CCF f = new LCCF(n, 8); |
993 |
FJException ex = new FJException(); |
994 |
f.completeExceptionally(ex); |
995 |
f.checkCompletedExceptionally(ex); |
996 |
n.checkCompletedExceptionally(ex); |
997 |
}}; |
998 |
testInvokeOnPool(mainPool(), a); |
999 |
} |
1000 |
|
1001 |
/** |
1002 |
* invokeAll(t1, t2) invokes all task arguments |
1003 |
*/ |
1004 |
public void testInvokeAll2() { |
1005 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1006 |
protected void realCompute() { |
1007 |
CCF f = new LCCF(8); |
1008 |
CCF g = new LCCF(9); |
1009 |
invokeAll(f, g); |
1010 |
assertEquals(21, f.number); |
1011 |
assertEquals(34, g.number); |
1012 |
checkCompletedNormally(f); |
1013 |
checkCompletedNormally(g); |
1014 |
}}; |
1015 |
testInvokeOnPool(mainPool(), a); |
1016 |
} |
1017 |
|
1018 |
/** |
1019 |
* invokeAll(tasks) with 1 argument invokes task |
1020 |
*/ |
1021 |
public void testInvokeAll1() { |
1022 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1023 |
protected void realCompute() { |
1024 |
CCF f = new LCCF(8); |
1025 |
invokeAll(f); |
1026 |
checkCompletedNormally(f); |
1027 |
assertEquals(21, f.number); |
1028 |
}}; |
1029 |
testInvokeOnPool(mainPool(), a); |
1030 |
} |
1031 |
|
1032 |
/** |
1033 |
* invokeAll(tasks) with > 2 argument invokes tasks |
1034 |
*/ |
1035 |
public void testInvokeAll3() { |
1036 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1037 |
protected void realCompute() { |
1038 |
CCF f = new LCCF(8); |
1039 |
CCF g = new LCCF(9); |
1040 |
CCF h = new LCCF(7); |
1041 |
invokeAll(f, g, h); |
1042 |
assertEquals(21, f.number); |
1043 |
assertEquals(34, g.number); |
1044 |
assertEquals(13, h.number); |
1045 |
checkCompletedNormally(f); |
1046 |
checkCompletedNormally(g); |
1047 |
checkCompletedNormally(h); |
1048 |
}}; |
1049 |
testInvokeOnPool(mainPool(), a); |
1050 |
} |
1051 |
|
1052 |
/** |
1053 |
* invokeAll(collection) invokes all tasks in the collection |
1054 |
*/ |
1055 |
public void testInvokeAllCollection() { |
1056 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1057 |
protected void realCompute() { |
1058 |
CCF f = new LCCF(8); |
1059 |
CCF g = new LCCF(9); |
1060 |
CCF h = new LCCF(7); |
1061 |
HashSet set = new HashSet(); |
1062 |
set.add(f); |
1063 |
set.add(g); |
1064 |
set.add(h); |
1065 |
invokeAll(set); |
1066 |
assertEquals(21, f.number); |
1067 |
assertEquals(34, g.number); |
1068 |
assertEquals(13, h.number); |
1069 |
checkCompletedNormally(f); |
1070 |
checkCompletedNormally(g); |
1071 |
checkCompletedNormally(h); |
1072 |
}}; |
1073 |
testInvokeOnPool(mainPool(), a); |
1074 |
} |
1075 |
|
1076 |
/** |
1077 |
* invokeAll(tasks) with any null task throws NPE |
1078 |
*/ |
1079 |
public void testInvokeAllNPE() { |
1080 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1081 |
protected void realCompute() { |
1082 |
CCF f = new LCCF(8); |
1083 |
CCF g = new LCCF(9); |
1084 |
CCF h = null; |
1085 |
try { |
1086 |
invokeAll(f, g, h); |
1087 |
shouldThrow(); |
1088 |
} catch (NullPointerException success) {} |
1089 |
}}; |
1090 |
testInvokeOnPool(mainPool(), a); |
1091 |
} |
1092 |
|
1093 |
/** |
1094 |
* invokeAll(t1, t2) throw exception if any task does |
1095 |
*/ |
1096 |
public void testAbnormalInvokeAll2() { |
1097 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1098 |
protected void realCompute() { |
1099 |
CCF f = new LCCF(8); |
1100 |
FailingCCF g = new LFCCF(9); |
1101 |
try { |
1102 |
invokeAll(f, g); |
1103 |
shouldThrow(); |
1104 |
} catch (FJException success) { |
1105 |
checkCompletedAbnormally(g, success); |
1106 |
} |
1107 |
}}; |
1108 |
testInvokeOnPool(mainPool(), a); |
1109 |
} |
1110 |
|
1111 |
/** |
1112 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1113 |
*/ |
1114 |
public void testAbnormalInvokeAll1() { |
1115 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1116 |
protected void realCompute() { |
1117 |
FailingCCF g = new LFCCF(9); |
1118 |
try { |
1119 |
invokeAll(g); |
1120 |
shouldThrow(); |
1121 |
} catch (FJException success) { |
1122 |
checkCompletedAbnormally(g, success); |
1123 |
} |
1124 |
}}; |
1125 |
testInvokeOnPool(mainPool(), a); |
1126 |
} |
1127 |
|
1128 |
/** |
1129 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1130 |
*/ |
1131 |
public void testAbnormalInvokeAll3() { |
1132 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1133 |
protected void realCompute() { |
1134 |
CCF f = new LCCF(8); |
1135 |
FailingCCF g = new LFCCF(9); |
1136 |
CCF h = new LCCF(7); |
1137 |
try { |
1138 |
invokeAll(f, g, h); |
1139 |
shouldThrow(); |
1140 |
} catch (FJException success) { |
1141 |
checkCompletedAbnormally(g, success); |
1142 |
} |
1143 |
}}; |
1144 |
testInvokeOnPool(mainPool(), a); |
1145 |
} |
1146 |
|
1147 |
/** |
1148 |
* invokeAll(collection) throws exception if any task does |
1149 |
*/ |
1150 |
public void testAbnormalInvokeAllCollection() { |
1151 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1152 |
protected void realCompute() { |
1153 |
FailingCCF f = new LFCCF(8); |
1154 |
CCF g = new LCCF(9); |
1155 |
CCF h = new LCCF(7); |
1156 |
HashSet set = new HashSet(); |
1157 |
set.add(f); |
1158 |
set.add(g); |
1159 |
set.add(h); |
1160 |
try { |
1161 |
invokeAll(set); |
1162 |
shouldThrow(); |
1163 |
} catch (FJException success) { |
1164 |
checkCompletedAbnormally(f, success); |
1165 |
} |
1166 |
}}; |
1167 |
testInvokeOnPool(mainPool(), a); |
1168 |
} |
1169 |
|
1170 |
/** |
1171 |
* tryUnfork returns true for most recent unexecuted task, |
1172 |
* and suppresses execution |
1173 |
*/ |
1174 |
public void testTryUnfork() { |
1175 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1176 |
protected void realCompute() { |
1177 |
CCF g = new LCCF(9); |
1178 |
assertSame(g, g.fork()); |
1179 |
CCF f = new LCCF(8); |
1180 |
assertSame(f, f.fork()); |
1181 |
assertTrue(f.tryUnfork()); |
1182 |
helpQuiesce(); |
1183 |
checkNotDone(f); |
1184 |
checkCompletedNormally(g); |
1185 |
}}; |
1186 |
testInvokeOnPool(singletonPool(), a); |
1187 |
} |
1188 |
|
1189 |
/** |
1190 |
* getSurplusQueuedTaskCount returns > 0 when |
1191 |
* there are more tasks than threads |
1192 |
*/ |
1193 |
public void testGetSurplusQueuedTaskCount() { |
1194 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1195 |
protected void realCompute() { |
1196 |
CCF h = new LCCF(7); |
1197 |
assertSame(h, h.fork()); |
1198 |
CCF g = new LCCF(9); |
1199 |
assertSame(g, g.fork()); |
1200 |
CCF f = new LCCF(8); |
1201 |
assertSame(f, f.fork()); |
1202 |
assertTrue(getSurplusQueuedTaskCount() > 0); |
1203 |
helpQuiesce(); |
1204 |
assertEquals(0, getSurplusQueuedTaskCount()); |
1205 |
checkCompletedNormally(f); |
1206 |
checkCompletedNormally(g); |
1207 |
checkCompletedNormally(h); |
1208 |
}}; |
1209 |
testInvokeOnPool(singletonPool(), a); |
1210 |
} |
1211 |
|
1212 |
/** |
1213 |
* peekNextLocalTask returns most recent unexecuted task. |
1214 |
*/ |
1215 |
public void testPeekNextLocalTask() { |
1216 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1217 |
protected void realCompute() { |
1218 |
CCF g = new LCCF(9); |
1219 |
assertSame(g, g.fork()); |
1220 |
CCF f = new LCCF(8); |
1221 |
assertSame(f, f.fork()); |
1222 |
assertSame(f, peekNextLocalTask()); |
1223 |
assertNull(f.join()); |
1224 |
checkCompletedNormally(f); |
1225 |
helpQuiesce(); |
1226 |
checkCompletedNormally(g); |
1227 |
}}; |
1228 |
testInvokeOnPool(singletonPool(), a); |
1229 |
} |
1230 |
|
1231 |
/** |
1232 |
* pollNextLocalTask returns most recent unexecuted task without |
1233 |
* executing it |
1234 |
*/ |
1235 |
public void testPollNextLocalTask() { |
1236 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1237 |
protected void realCompute() { |
1238 |
CCF g = new LCCF(9); |
1239 |
assertSame(g, g.fork()); |
1240 |
CCF f = new LCCF(8); |
1241 |
assertSame(f, f.fork()); |
1242 |
assertSame(f, pollNextLocalTask()); |
1243 |
helpQuiesce(); |
1244 |
checkNotDone(f); |
1245 |
assertEquals(34, g.number); |
1246 |
checkCompletedNormally(g); |
1247 |
}}; |
1248 |
testInvokeOnPool(singletonPool(), a); |
1249 |
} |
1250 |
|
1251 |
/** |
1252 |
* pollTask returns an unexecuted task without executing it |
1253 |
*/ |
1254 |
public void testPollTask() { |
1255 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1256 |
protected void realCompute() { |
1257 |
CCF g = new LCCF(9); |
1258 |
assertSame(g, g.fork()); |
1259 |
CCF f = new LCCF(8); |
1260 |
assertSame(f, f.fork()); |
1261 |
assertSame(f, pollTask()); |
1262 |
helpQuiesce(); |
1263 |
checkNotDone(f); |
1264 |
checkCompletedNormally(g); |
1265 |
}}; |
1266 |
testInvokeOnPool(singletonPool(), a); |
1267 |
} |
1268 |
|
1269 |
/** |
1270 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
1271 |
*/ |
1272 |
public void testPeekNextLocalTaskAsync() { |
1273 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1274 |
protected void realCompute() { |
1275 |
CCF g = new LCCF(9); |
1276 |
assertSame(g, g.fork()); |
1277 |
CCF f = new LCCF(8); |
1278 |
assertSame(f, f.fork()); |
1279 |
assertSame(g, peekNextLocalTask()); |
1280 |
assertNull(f.join()); |
1281 |
helpQuiesce(); |
1282 |
checkCompletedNormally(f); |
1283 |
assertEquals(34, g.number); |
1284 |
checkCompletedNormally(g); |
1285 |
}}; |
1286 |
testInvokeOnPool(asyncSingletonPool(), a); |
1287 |
} |
1288 |
|
1289 |
/** |
1290 |
* pollNextLocalTask returns least recent unexecuted task without |
1291 |
* executing it, in async mode |
1292 |
*/ |
1293 |
public void testPollNextLocalTaskAsync() { |
1294 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1295 |
protected void realCompute() { |
1296 |
CCF g = new LCCF(9); |
1297 |
assertSame(g, g.fork()); |
1298 |
CCF f = new LCCF(8); |
1299 |
assertSame(f, f.fork()); |
1300 |
assertSame(g, pollNextLocalTask()); |
1301 |
helpQuiesce(); |
1302 |
assertEquals(21, f.number); |
1303 |
checkCompletedNormally(f); |
1304 |
checkNotDone(g); |
1305 |
}}; |
1306 |
testInvokeOnPool(asyncSingletonPool(), a); |
1307 |
} |
1308 |
|
1309 |
/** |
1310 |
* pollTask returns an unexecuted task without executing it, in |
1311 |
* async mode |
1312 |
*/ |
1313 |
public void testPollTaskAsync() { |
1314 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1315 |
protected void realCompute() { |
1316 |
CCF g = new LCCF(9); |
1317 |
assertSame(g, g.fork()); |
1318 |
CCF f = new LCCF(8); |
1319 |
assertSame(f, f.fork()); |
1320 |
assertSame(g, pollTask()); |
1321 |
helpQuiesce(); |
1322 |
assertEquals(21, f.number); |
1323 |
checkCompletedNormally(f); |
1324 |
checkNotDone(g); |
1325 |
}}; |
1326 |
testInvokeOnPool(asyncSingletonPool(), a); |
1327 |
} |
1328 |
|
1329 |
// versions for singleton pools |
1330 |
|
1331 |
/** |
1332 |
* invoke returns when task completes normally. |
1333 |
* isCompletedAbnormally and isCancelled return false for normally |
1334 |
* completed tasks; getRawResult returns null. |
1335 |
*/ |
1336 |
public void testInvokeSingleton() { |
1337 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1338 |
protected void realCompute() { |
1339 |
CCF f = new LCCF(8); |
1340 |
assertNull(f.invoke()); |
1341 |
assertEquals(21, f.number); |
1342 |
checkCompletedNormally(f); |
1343 |
}}; |
1344 |
testInvokeOnPool(singletonPool(), a); |
1345 |
} |
1346 |
|
1347 |
/** |
1348 |
* quietlyInvoke task returns when task completes normally. |
1349 |
* isCompletedAbnormally and isCancelled return false for normally |
1350 |
* completed tasks |
1351 |
*/ |
1352 |
public void testQuietlyInvokeSingleton() { |
1353 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1354 |
protected void realCompute() { |
1355 |
CCF f = new LCCF(8); |
1356 |
f.quietlyInvoke(); |
1357 |
assertEquals(21, f.number); |
1358 |
checkCompletedNormally(f); |
1359 |
}}; |
1360 |
testInvokeOnPool(singletonPool(), a); |
1361 |
} |
1362 |
|
1363 |
/** |
1364 |
* join of a forked task returns when task completes |
1365 |
*/ |
1366 |
public void testForkJoinSingleton() { |
1367 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1368 |
protected void realCompute() { |
1369 |
CCF f = new LCCF(8); |
1370 |
assertSame(f, f.fork()); |
1371 |
assertNull(f.join()); |
1372 |
assertEquals(21, f.number); |
1373 |
checkCompletedNormally(f); |
1374 |
}}; |
1375 |
testInvokeOnPool(singletonPool(), a); |
1376 |
} |
1377 |
|
1378 |
/** |
1379 |
* get of a forked task returns when task completes |
1380 |
*/ |
1381 |
public void testForkGetSingleton() { |
1382 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1383 |
protected void realCompute() throws Exception { |
1384 |
CCF f = new LCCF(8); |
1385 |
assertSame(f, f.fork()); |
1386 |
assertNull(f.get()); |
1387 |
assertEquals(21, f.number); |
1388 |
checkCompletedNormally(f); |
1389 |
}}; |
1390 |
testInvokeOnPool(singletonPool(), a); |
1391 |
} |
1392 |
|
1393 |
/** |
1394 |
* timed get of a forked task returns when task completes |
1395 |
*/ |
1396 |
public void testForkTimedGetSingleton() { |
1397 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1398 |
protected void realCompute() throws Exception { |
1399 |
CCF f = new LCCF(8); |
1400 |
assertSame(f, f.fork()); |
1401 |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
1402 |
assertEquals(21, f.number); |
1403 |
checkCompletedNormally(f); |
1404 |
}}; |
1405 |
testInvokeOnPool(singletonPool(), a); |
1406 |
} |
1407 |
|
1408 |
/** |
1409 |
* timed get with null time unit throws NPE |
1410 |
*/ |
1411 |
public void testForkTimedGetNPESingleton() { |
1412 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1413 |
protected void realCompute() throws Exception { |
1414 |
CCF f = new LCCF(8); |
1415 |
assertSame(f, f.fork()); |
1416 |
try { |
1417 |
f.get(5L, null); |
1418 |
shouldThrow(); |
1419 |
} catch (NullPointerException success) {} |
1420 |
}}; |
1421 |
testInvokeOnPool(singletonPool(), a); |
1422 |
} |
1423 |
|
1424 |
/** |
1425 |
* quietlyJoin of a forked task returns when task completes |
1426 |
*/ |
1427 |
public void testForkQuietlyJoinSingleton() { |
1428 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1429 |
protected void realCompute() { |
1430 |
CCF f = new LCCF(8); |
1431 |
assertSame(f, f.fork()); |
1432 |
f.quietlyJoin(); |
1433 |
assertEquals(21, f.number); |
1434 |
checkCompletedNormally(f); |
1435 |
}}; |
1436 |
testInvokeOnPool(singletonPool(), a); |
1437 |
} |
1438 |
|
1439 |
/** |
1440 |
* helpQuiesce returns when tasks are complete. |
1441 |
* getQueuedTaskCount returns 0 when quiescent |
1442 |
*/ |
1443 |
public void testForkHelpQuiesceSingleton() { |
1444 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1445 |
protected void realCompute() { |
1446 |
CCF f = new LCCF(8); |
1447 |
assertSame(f, f.fork()); |
1448 |
helpQuiesce(); |
1449 |
assertEquals(0, getQueuedTaskCount()); |
1450 |
assertEquals(21, f.number); |
1451 |
checkCompletedNormally(f); |
1452 |
}}; |
1453 |
testInvokeOnPool(singletonPool(), a); |
1454 |
} |
1455 |
|
1456 |
/** |
1457 |
* invoke task throws exception when task completes abnormally |
1458 |
*/ |
1459 |
public void testAbnormalInvokeSingleton() { |
1460 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1461 |
protected void realCompute() { |
1462 |
FailingCCF f = new LFCCF(8); |
1463 |
try { |
1464 |
f.invoke(); |
1465 |
shouldThrow(); |
1466 |
} catch (FJException success) { |
1467 |
checkCompletedAbnormally(f, success); |
1468 |
} |
1469 |
}}; |
1470 |
testInvokeOnPool(singletonPool(), a); |
1471 |
} |
1472 |
|
1473 |
/** |
1474 |
* quietlyInvoke task returns when task completes abnormally |
1475 |
*/ |
1476 |
public void testAbnormalQuietlyInvokeSingleton() { |
1477 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1478 |
protected void realCompute() { |
1479 |
FailingCCF f = new LFCCF(8); |
1480 |
f.quietlyInvoke(); |
1481 |
assertTrue(f.getException() instanceof FJException); |
1482 |
checkCompletedAbnormally(f, f.getException()); |
1483 |
}}; |
1484 |
testInvokeOnPool(singletonPool(), a); |
1485 |
} |
1486 |
|
1487 |
/** |
1488 |
* join of a forked task throws exception when task completes abnormally |
1489 |
*/ |
1490 |
public void testAbnormalForkJoinSingleton() { |
1491 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1492 |
protected void realCompute() { |
1493 |
FailingCCF f = new LFCCF(8); |
1494 |
assertSame(f, f.fork()); |
1495 |
try { |
1496 |
f.join(); |
1497 |
shouldThrow(); |
1498 |
} catch (FJException success) { |
1499 |
checkCompletedAbnormally(f, success); |
1500 |
} |
1501 |
}}; |
1502 |
testInvokeOnPool(singletonPool(), a); |
1503 |
} |
1504 |
|
1505 |
/** |
1506 |
* get of a forked task throws exception when task completes abnormally |
1507 |
*/ |
1508 |
public void testAbnormalForkGetSingleton() { |
1509 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1510 |
protected void realCompute() throws Exception { |
1511 |
FailingCCF f = new LFCCF(8); |
1512 |
assertSame(f, f.fork()); |
1513 |
try { |
1514 |
f.get(); |
1515 |
shouldThrow(); |
1516 |
} catch (ExecutionException success) { |
1517 |
Throwable cause = success.getCause(); |
1518 |
assertTrue(cause instanceof FJException); |
1519 |
checkCompletedAbnormally(f, cause); |
1520 |
} |
1521 |
}}; |
1522 |
testInvokeOnPool(singletonPool(), a); |
1523 |
} |
1524 |
|
1525 |
/** |
1526 |
* timed get of a forked task throws exception when task completes abnormally |
1527 |
*/ |
1528 |
public void testAbnormalForkTimedGetSingleton() { |
1529 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1530 |
protected void realCompute() throws Exception { |
1531 |
FailingCCF f = new LFCCF(8); |
1532 |
assertSame(f, f.fork()); |
1533 |
try { |
1534 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1535 |
shouldThrow(); |
1536 |
} catch (ExecutionException success) { |
1537 |
Throwable cause = success.getCause(); |
1538 |
assertTrue(cause instanceof FJException); |
1539 |
checkCompletedAbnormally(f, cause); |
1540 |
} |
1541 |
}}; |
1542 |
testInvokeOnPool(singletonPool(), a); |
1543 |
} |
1544 |
|
1545 |
/** |
1546 |
* quietlyJoin of a forked task returns when task completes abnormally |
1547 |
*/ |
1548 |
public void testAbnormalForkQuietlyJoinSingleton() { |
1549 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1550 |
protected void realCompute() { |
1551 |
FailingCCF f = new LFCCF(8); |
1552 |
assertSame(f, f.fork()); |
1553 |
f.quietlyJoin(); |
1554 |
assertTrue(f.getException() instanceof FJException); |
1555 |
checkCompletedAbnormally(f, f.getException()); |
1556 |
}}; |
1557 |
testInvokeOnPool(singletonPool(), a); |
1558 |
} |
1559 |
|
1560 |
/** |
1561 |
* invoke task throws exception when task cancelled |
1562 |
*/ |
1563 |
public void testCancelledInvokeSingleton() { |
1564 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1565 |
protected void realCompute() { |
1566 |
CCF f = new LCCF(8); |
1567 |
assertTrue(f.cancel(true)); |
1568 |
try { |
1569 |
f.invoke(); |
1570 |
shouldThrow(); |
1571 |
} catch (CancellationException success) { |
1572 |
checkCancelled(f); |
1573 |
} |
1574 |
}}; |
1575 |
testInvokeOnPool(singletonPool(), a); |
1576 |
} |
1577 |
|
1578 |
/** |
1579 |
* join of a forked task throws exception when task cancelled |
1580 |
*/ |
1581 |
public void testCancelledForkJoinSingleton() { |
1582 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1583 |
protected void realCompute() { |
1584 |
CCF f = new LCCF(8); |
1585 |
assertTrue(f.cancel(true)); |
1586 |
assertSame(f, f.fork()); |
1587 |
try { |
1588 |
f.join(); |
1589 |
shouldThrow(); |
1590 |
} catch (CancellationException success) { |
1591 |
checkCancelled(f); |
1592 |
} |
1593 |
}}; |
1594 |
testInvokeOnPool(singletonPool(), a); |
1595 |
} |
1596 |
|
1597 |
/** |
1598 |
* get of a forked task throws exception when task cancelled |
1599 |
*/ |
1600 |
public void testCancelledForkGetSingleton() { |
1601 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1602 |
protected void realCompute() throws Exception { |
1603 |
CCF f = new LCCF(8); |
1604 |
assertTrue(f.cancel(true)); |
1605 |
assertSame(f, f.fork()); |
1606 |
try { |
1607 |
f.get(); |
1608 |
shouldThrow(); |
1609 |
} catch (CancellationException success) { |
1610 |
checkCancelled(f); |
1611 |
} |
1612 |
}}; |
1613 |
testInvokeOnPool(singletonPool(), a); |
1614 |
} |
1615 |
|
1616 |
/** |
1617 |
* timed get of a forked task throws exception when task cancelled |
1618 |
*/ |
1619 |
public void testCancelledForkTimedGetSingleton() throws Exception { |
1620 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1621 |
protected void realCompute() throws Exception { |
1622 |
CCF f = new LCCF(8); |
1623 |
assertTrue(f.cancel(true)); |
1624 |
assertSame(f, f.fork()); |
1625 |
try { |
1626 |
f.get(LONG_DELAY_MS, MILLISECONDS); |
1627 |
shouldThrow(); |
1628 |
} catch (CancellationException success) { |
1629 |
checkCancelled(f); |
1630 |
} |
1631 |
}}; |
1632 |
testInvokeOnPool(singletonPool(), a); |
1633 |
} |
1634 |
|
1635 |
/** |
1636 |
* quietlyJoin of a forked task returns when task cancelled |
1637 |
*/ |
1638 |
public void testCancelledForkQuietlyJoinSingleton() { |
1639 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1640 |
protected void realCompute() { |
1641 |
CCF f = new LCCF(8); |
1642 |
assertTrue(f.cancel(true)); |
1643 |
assertSame(f, f.fork()); |
1644 |
f.quietlyJoin(); |
1645 |
checkCancelled(f); |
1646 |
}}; |
1647 |
testInvokeOnPool(singletonPool(), a); |
1648 |
} |
1649 |
|
1650 |
/** |
1651 |
* invoke task throws exception after invoking completeExceptionally |
1652 |
*/ |
1653 |
public void testCompleteExceptionallySingleton() { |
1654 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1655 |
protected void realCompute() { |
1656 |
CCF n = new LCCF(8); |
1657 |
CCF f = new LCCF(n, 8); |
1658 |
FJException ex = new FJException(); |
1659 |
f.completeExceptionally(ex); |
1660 |
f.checkCompletedExceptionally(ex); |
1661 |
n.checkCompletedExceptionally(ex); |
1662 |
}}; |
1663 |
testInvokeOnPool(singletonPool(), a); |
1664 |
} |
1665 |
|
1666 |
/** |
1667 |
* invokeAll(t1, t2) invokes all task arguments |
1668 |
*/ |
1669 |
public void testInvokeAll2Singleton() { |
1670 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1671 |
protected void realCompute() { |
1672 |
CCF f = new LCCF(8); |
1673 |
CCF g = new LCCF(9); |
1674 |
invokeAll(f, g); |
1675 |
assertEquals(21, f.number); |
1676 |
assertEquals(34, g.number); |
1677 |
checkCompletedNormally(f); |
1678 |
checkCompletedNormally(g); |
1679 |
}}; |
1680 |
testInvokeOnPool(singletonPool(), a); |
1681 |
} |
1682 |
|
1683 |
/** |
1684 |
* invokeAll(tasks) with 1 argument invokes task |
1685 |
*/ |
1686 |
public void testInvokeAll1Singleton() { |
1687 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1688 |
protected void realCompute() { |
1689 |
CCF f = new LCCF(8); |
1690 |
invokeAll(f); |
1691 |
checkCompletedNormally(f); |
1692 |
assertEquals(21, f.number); |
1693 |
}}; |
1694 |
testInvokeOnPool(singletonPool(), a); |
1695 |
} |
1696 |
|
1697 |
/** |
1698 |
* invokeAll(tasks) with > 2 argument invokes tasks |
1699 |
*/ |
1700 |
public void testInvokeAll3Singleton() { |
1701 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1702 |
protected void realCompute() { |
1703 |
CCF f = new LCCF(8); |
1704 |
CCF g = new LCCF(9); |
1705 |
CCF h = new LCCF(7); |
1706 |
invokeAll(f, g, h); |
1707 |
assertEquals(21, f.number); |
1708 |
assertEquals(34, g.number); |
1709 |
assertEquals(13, h.number); |
1710 |
checkCompletedNormally(f); |
1711 |
checkCompletedNormally(g); |
1712 |
checkCompletedNormally(h); |
1713 |
}}; |
1714 |
testInvokeOnPool(singletonPool(), a); |
1715 |
} |
1716 |
|
1717 |
/** |
1718 |
* invokeAll(collection) invokes all tasks in the collection |
1719 |
*/ |
1720 |
public void testInvokeAllCollectionSingleton() { |
1721 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1722 |
protected void realCompute() { |
1723 |
CCF f = new LCCF(8); |
1724 |
CCF g = new LCCF(9); |
1725 |
CCF h = new LCCF(7); |
1726 |
HashSet set = new HashSet(); |
1727 |
set.add(f); |
1728 |
set.add(g); |
1729 |
set.add(h); |
1730 |
invokeAll(set); |
1731 |
assertEquals(21, f.number); |
1732 |
assertEquals(34, g.number); |
1733 |
assertEquals(13, h.number); |
1734 |
checkCompletedNormally(f); |
1735 |
checkCompletedNormally(g); |
1736 |
checkCompletedNormally(h); |
1737 |
}}; |
1738 |
testInvokeOnPool(singletonPool(), a); |
1739 |
} |
1740 |
|
1741 |
/** |
1742 |
* invokeAll(tasks) with any null task throws NPE |
1743 |
*/ |
1744 |
public void testInvokeAllNPESingleton() { |
1745 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1746 |
protected void realCompute() { |
1747 |
CCF f = new LCCF(8); |
1748 |
CCF g = new LCCF(9); |
1749 |
CCF h = null; |
1750 |
try { |
1751 |
invokeAll(f, g, h); |
1752 |
shouldThrow(); |
1753 |
} catch (NullPointerException success) {} |
1754 |
}}; |
1755 |
testInvokeOnPool(singletonPool(), a); |
1756 |
} |
1757 |
|
1758 |
/** |
1759 |
* invokeAll(t1, t2) throw exception if any task does |
1760 |
*/ |
1761 |
public void testAbnormalInvokeAll2Singleton() { |
1762 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1763 |
protected void realCompute() { |
1764 |
CCF f = new LCCF(8); |
1765 |
FailingCCF g = new LFCCF(9); |
1766 |
try { |
1767 |
invokeAll(f, g); |
1768 |
shouldThrow(); |
1769 |
} catch (FJException success) { |
1770 |
checkCompletedAbnormally(g, success); |
1771 |
} |
1772 |
}}; |
1773 |
testInvokeOnPool(singletonPool(), a); |
1774 |
} |
1775 |
|
1776 |
/** |
1777 |
* invokeAll(tasks) with 1 argument throws exception if task does |
1778 |
*/ |
1779 |
public void testAbnormalInvokeAll1Singleton() { |
1780 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1781 |
protected void realCompute() { |
1782 |
FailingCCF g = new LFCCF(9); |
1783 |
try { |
1784 |
invokeAll(g); |
1785 |
shouldThrow(); |
1786 |
} catch (FJException success) { |
1787 |
checkCompletedAbnormally(g, success); |
1788 |
} |
1789 |
}}; |
1790 |
testInvokeOnPool(singletonPool(), a); |
1791 |
} |
1792 |
|
1793 |
/** |
1794 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1795 |
*/ |
1796 |
public void testAbnormalInvokeAll3Singleton() { |
1797 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1798 |
protected void realCompute() { |
1799 |
CCF f = new LCCF(8); |
1800 |
FailingCCF g = new LFCCF(9); |
1801 |
CCF h = new LCCF(7); |
1802 |
try { |
1803 |
invokeAll(f, g, h); |
1804 |
shouldThrow(); |
1805 |
} catch (FJException success) { |
1806 |
checkCompletedAbnormally(g, success); |
1807 |
} |
1808 |
}}; |
1809 |
testInvokeOnPool(singletonPool(), a); |
1810 |
} |
1811 |
|
1812 |
/** |
1813 |
* invokeAll(collection) throws exception if any task does |
1814 |
*/ |
1815 |
public void testAbnormalInvokeAllCollectionSingleton() { |
1816 |
ForkJoinTask a = new CheckedRecursiveAction() { |
1817 |
protected void realCompute() { |
1818 |
FailingCCF f = new LFCCF(8); |
1819 |
CCF g = new LCCF(9); |
1820 |
CCF h = new LCCF(7); |
1821 |
HashSet set = new HashSet(); |
1822 |
set.add(f); |
1823 |
set.add(g); |
1824 |
set.add(h); |
1825 |
try { |
1826 |
invokeAll(set); |
1827 |
shouldThrow(); |
1828 |
} catch (FJException success) { |
1829 |
checkCompletedAbnormally(f, success); |
1830 |
} |
1831 |
}}; |
1832 |
testInvokeOnPool(singletonPool(), a); |
1833 |
} |
1834 |
|
1835 |
} |