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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.*; |
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import java.util.*; |
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|
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import junit.framework.*; |
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import java.util.concurrent.CancellationException; |
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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.RecursiveTask; |
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import java.util.concurrent.TimeUnit; |
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import java.util.HashSet; |
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|
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public class RecursiveTaskTest 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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> |
junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(RecursiveTaskTest.class); |
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} |
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|
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< |
static final ForkJoinPool mainPool = new ForkJoinPool(); |
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< |
static final ForkJoinPool singletonPool = new ForkJoinPool(1); |
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< |
static final ForkJoinPool asyncSingletonPool = |
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< |
new ForkJoinPool(1, ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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< |
null, true); |
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> |
private static ForkJoinPool mainPool() { |
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> |
return new ForkJoinPool(); |
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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 <T> T testInvokeOnPool(ForkJoinPool pool, RecursiveTask<T> a) { |
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> |
try { |
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> |
return pool.invoke(a); |
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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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static final class FJException extends RuntimeException { |
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FJException() { super(); } |
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* isCompletedAbnormally and isCancelled return false for normally |
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* completed tasks. getRawResult of a completed non-null task |
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* returns value; |
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* |
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*/ |
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public void testInvoke() { |
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RecursiveTask<Integer> a = new RecursiveTask<Integer>() { |
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return r; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return r; |
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} |
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}; |
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assertTrue(mainPool.invoke(a) == 21); |
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assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return r; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return r; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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|
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return r; |
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} |
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}; |
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< |
assertTrue(mainPool.invoke(a) == 21); |
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> |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
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} |
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|
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|
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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* getPool of executing task returns its pool |
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*/ |
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public void testGetPool() { |
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final ForkJoinPool mainPool = mainPool(); |
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RecursiveTask<Integer> a = new RecursiveTask<Integer>() { |
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public Integer compute() { |
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threadAssertTrue(getPool() == mainPool); |
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return NoResult; |
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} |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool, a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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} |
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|
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/** |
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* setRawResult(null) succeeds |
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* The value set by setRawResult is returned by invoke |
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*/ |
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public void testSetRawResult() { |
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RecursiveTask<Integer> a = new RecursiveTask<Integer>() { |
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return NoResult; |
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} |
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}; |
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assertEquals(a.invoke(), NoResult); |
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> |
assertSame(NoResult, a.invoke()); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return r; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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mainPool.invoke(a); |
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assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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/** |
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return NoResult; |
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} |
651 |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
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|
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|
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return NoResult; |
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} |
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}; |
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< |
mainPool.invoke(a); |
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> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
675 |
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|
676 |
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/** |
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return NoResult; |
690 |
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} |
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}; |
692 |
< |
mainPool.invoke(a); |
692 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
693 |
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} |
694 |
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|
695 |
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/** |
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return NoResult; |
711 |
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} |
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}; |
713 |
< |
mainPool.invoke(a); |
713 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
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} |
715 |
|
|
716 |
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/** |
735 |
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return NoResult; |
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} |
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}; |
738 |
< |
mainPool.invoke(a); |
738 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
739 |
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} |
740 |
|
|
741 |
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/** |
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return NoResult; |
757 |
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} |
758 |
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}; |
759 |
< |
singletonPool.invoke(a); |
759 |
> |
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
760 |
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} |
761 |
|
|
762 |
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/** |
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return NoResult; |
778 |
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} |
779 |
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}; |
780 |
< |
singletonPool.invoke(a); |
780 |
> |
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
781 |
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} |
782 |
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|
783 |
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/** |
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return NoResult; |
798 |
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} |
799 |
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}; |
800 |
< |
singletonPool.invoke(a); |
800 |
> |
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
801 |
|
} |
802 |
|
|
803 |
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/** |
817 |
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return NoResult; |
818 |
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} |
819 |
|
}; |
820 |
< |
singletonPool.invoke(a); |
820 |
> |
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
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|
} |
822 |
|
|
823 |
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/** |
824 |
< |
* pollTask returns an unexecuted task |
805 |
< |
* without executing it |
824 |
> |
* pollTask returns an unexecuted task without executing it |
825 |
|
*/ |
826 |
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public void testPollTask() { |
827 |
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RecursiveTask<Integer> a = new RecursiveTask<Integer>() { |
837 |
|
return NoResult; |
838 |
|
} |
839 |
|
}; |
840 |
< |
singletonPool.invoke(a); |
840 |
> |
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
841 |
|
} |
842 |
|
|
843 |
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/** |
857 |
|
return NoResult; |
858 |
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} |
859 |
|
}; |
860 |
< |
asyncSingletonPool.invoke(a); |
860 |
> |
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |
861 |
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} |
862 |
|
|
863 |
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/** |
878 |
|
return NoResult; |
879 |
|
} |
880 |
|
}; |
881 |
< |
asyncSingletonPool.invoke(a); |
881 |
> |
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |
882 |
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} |
883 |
|
|
884 |
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/** |
899 |
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return NoResult; |
900 |
|
} |
901 |
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}; |
902 |
< |
asyncSingletonPool.invoke(a); |
902 |
> |
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |
903 |
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} |
904 |
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|
905 |
|
} |