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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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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.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.RecursiveTask; |
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import java.util.concurrent.TimeUnit; |
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import java.util.HashSet; |
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import java.util.concurrent.TimeoutException; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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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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main(suite(), args); |
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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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private <T> T testInvokeOnPool(ForkJoinPool pool, RecursiveTask<T> a) { |
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try { |
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assertFalse(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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try (PoolCleaner cleaner = cleaner(pool)) { |
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checkNotDone(a); |
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|
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T result = 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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checkCompletedNormally(a, result); |
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return result; |
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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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void checkNotDone(RecursiveTask 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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if (! ForkJoinTask.inForkJoinPool()) { |
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Thread.currentThread().interrupt(); |
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try { |
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a.get(); |
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shouldThrow(); |
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} catch (InterruptedException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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Thread.currentThread().interrupt(); |
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try { |
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a.get(randomTimeout(), randomTimeUnit()); |
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shouldThrow(); |
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} catch (InterruptedException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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try { |
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a.get(randomExpiredTimeout(), randomTimeUnit()); |
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shouldThrow(); |
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} catch (TimeoutException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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<T> void checkCompletedNormally(RecursiveTask<T> a, T expectedValue) { |
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assertTrue(a.isDone()); |
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assertFalse(a.isCancelled()); |
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assertTrue(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertNull(a.getException()); |
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assertSame(expectedValue, a.getRawResult()); |
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assertSame(expectedValue, a.join()); |
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assertFalse(a.cancel(false)); |
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assertFalse(a.cancel(true)); |
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|
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T v1 = null, v2 = null; |
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try { |
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v1 = a.get(); |
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v2 = a.get(randomTimeout(), randomTimeUnit()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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assertSame(expectedValue, v1); |
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assertSame(expectedValue, v2); |
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} |
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|
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/** |
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* Waits for the task to complete, and checks that when it does, |
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* it will have an Integer result equals to the given int. |
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*/ |
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void checkCompletesNormally(RecursiveTask<Integer> a, int expectedValue) { |
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Integer r = a.join(); |
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assertEquals(expectedValue, (int) r); |
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checkCompletedNormally(a, r); |
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} |
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|
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/** |
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* Like checkCompletesNormally, but verifies that the task has |
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* already completed. |
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*/ |
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void checkCompletedNormally(RecursiveTask<Integer> a, int expectedValue) { |
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Integer r = a.getRawResult(); |
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assertEquals(expectedValue, (int) r); |
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checkCompletedNormally(a, r); |
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} |
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|
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void checkCancelled(RecursiveTask 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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|
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try { |
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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); } |
138 |
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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); } |
144 |
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|
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try { |
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a.get(randomTimeout(), randomTimeUnit()); |
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shouldThrow(); |
148 |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
150 |
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} |
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|
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void checkCompletedAbnormally(RecursiveTask 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)); |
161 |
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|
162 |
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try { |
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a.join(); |
164 |
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shouldThrow(); |
165 |
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} catch (Throwable expected) { |
166 |
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assertSame(t.getClass(), expected.getClass()); |
167 |
> |
} |
168 |
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|
169 |
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try { |
170 |
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a.get(); |
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shouldThrow(); |
172 |
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} catch (ExecutionException success) { |
173 |
> |
assertSame(t.getClass(), success.getCause().getClass()); |
174 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
175 |
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|
176 |
> |
try { |
177 |
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a.get(randomTimeout(), randomTimeUnit()); |
178 |
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shouldThrow(); |
179 |
> |
} catch (ExecutionException success) { |
180 |
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assertSame(t.getClass(), success.getCause().getClass()); |
181 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
182 |
> |
} |
183 |
> |
|
184 |
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public static final class FJException extends RuntimeException { |
185 |
> |
public FJException() { super(); } |
186 |
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} |
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|
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// An invalid return value for Fib |
188 |
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/** An invalid return value for Fib. */ |
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static final Integer NoResult = Integer.valueOf(-17); |
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|
191 |
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// A simple recursive task for testing |
191 |
> |
/** A simple recursive task for testing. */ |
192 |
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final class FibTask extends CheckedRecursiveTask<Integer> { |
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final int number; |
194 |
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FibTask(int n) { number = n; } |
200 |
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f1.fork(); |
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return (new FibTask(n - 2)).compute() + f1.join(); |
202 |
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} |
203 |
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|
204 |
+ |
public void publicSetRawResult(Integer result) { |
205 |
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setRawResult(result); |
206 |
+ |
} |
207 |
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} |
208 |
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|
209 |
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// A recursive action failing in base case |
209 |
> |
/** A recursive action failing in base case. */ |
210 |
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final class FailingFibTask extends RecursiveTask<Integer> { |
211 |
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final int number; |
212 |
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int result; |
233 |
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FibTask f = new FibTask(8); |
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Integer r = f.invoke(); |
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assertEquals(21, (int) r); |
236 |
< |
assertTrue(f.isDone()); |
107 |
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assertFalse(f.isCancelled()); |
108 |
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assertFalse(f.isCompletedAbnormally()); |
109 |
< |
assertEquals(21, (int) f.getRawResult()); |
236 |
> |
checkCompletedNormally(f, r); |
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return r; |
238 |
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}}; |
239 |
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assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
249 |
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public Integer realCompute() { |
250 |
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FibTask f = new FibTask(8); |
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f.quietlyInvoke(); |
252 |
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Integer r = f.getRawResult(); |
253 |
< |
assertEquals(21, (int) r); |
127 |
< |
assertTrue(f.isDone()); |
128 |
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assertFalse(f.isCancelled()); |
129 |
< |
assertFalse(f.isCompletedAbnormally()); |
130 |
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return r; |
252 |
> |
checkCompletedNormally(f, 21); |
253 |
> |
return NoResult; |
254 |
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}}; |
255 |
< |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
255 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
256 |
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} |
257 |
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|
258 |
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/** |
265 |
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assertSame(f, f.fork()); |
266 |
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Integer r = f.join(); |
267 |
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assertEquals(21, (int) r); |
268 |
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assertTrue(f.isDone()); |
268 |
> |
checkCompletedNormally(f, r); |
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return r; |
270 |
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}}; |
271 |
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assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
281 |
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assertSame(f, f.fork()); |
282 |
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Integer r = f.get(); |
283 |
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assertEquals(21, (int) r); |
284 |
< |
assertTrue(f.isDone()); |
284 |
> |
checkCompletedNormally(f, r); |
285 |
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return r; |
286 |
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}}; |
287 |
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assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
295 |
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public Integer realCompute() throws Exception { |
296 |
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FibTask f = new FibTask(8); |
297 |
|
assertSame(f, f.fork()); |
298 |
< |
Integer r = f.get(5L, TimeUnit.SECONDS); |
298 |
> |
Integer r = f.get(LONG_DELAY_MS, MILLISECONDS); |
299 |
|
assertEquals(21, (int) r); |
300 |
< |
assertTrue(f.isDone()); |
300 |
> |
checkCompletedNormally(f, r); |
301 |
|
return r; |
302 |
|
}}; |
303 |
|
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
314 |
|
f.quietlyJoin(); |
315 |
|
Integer r = f.getRawResult(); |
316 |
|
assertEquals(21, (int) r); |
317 |
< |
assertTrue(f.isDone()); |
317 |
> |
checkCompletedNormally(f, r); |
318 |
|
return r; |
319 |
|
}}; |
320 |
|
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
321 |
|
} |
322 |
|
|
200 |
– |
|
323 |
|
/** |
324 |
|
* helpQuiesce returns when tasks are complete. |
325 |
|
* getQueuedTaskCount returns 0 when quiescent |
329 |
|
public Integer realCompute() { |
330 |
|
FibTask f = new FibTask(8); |
331 |
|
assertSame(f, f.fork()); |
332 |
< |
f.helpQuiesce(); |
333 |
< |
Integer r = f.getRawResult(); |
334 |
< |
assertEquals(21, (int) r); |
213 |
< |
assertTrue(f.isDone()); |
332 |
> |
helpQuiesce(); |
333 |
> |
while (!f.isDone()) // wait out race |
334 |
> |
; |
335 |
|
assertEquals(0, getQueuedTaskCount()); |
336 |
< |
return r; |
336 |
> |
checkCompletedNormally(f, 21); |
337 |
> |
return NoResult; |
338 |
|
}}; |
339 |
< |
assertEquals(21, (int) testInvokeOnPool(mainPool(), a)); |
339 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
340 |
|
} |
341 |
|
|
220 |
– |
|
342 |
|
/** |
343 |
|
* invoke task throws exception when task completes abnormally |
344 |
|
*/ |
349 |
|
try { |
350 |
|
f.invoke(); |
351 |
|
shouldThrow(); |
352 |
< |
return NoResult; |
353 |
< |
} catch (FJException success) {} |
352 |
> |
} catch (FJException success) { |
353 |
> |
checkCompletedAbnormally(f, success); |
354 |
> |
} |
355 |
|
return NoResult; |
356 |
|
}}; |
357 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
365 |
|
public Integer realCompute() { |
366 |
|
FailingFibTask f = new FailingFibTask(8); |
367 |
|
f.quietlyInvoke(); |
368 |
< |
assertTrue(f.isDone()); |
368 |
> |
assertTrue(f.getException() instanceof FJException); |
369 |
> |
checkCompletedAbnormally(f, f.getException()); |
370 |
|
return NoResult; |
371 |
|
}}; |
372 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
383 |
|
try { |
384 |
|
Integer r = f.join(); |
385 |
|
shouldThrow(); |
386 |
< |
return r; |
387 |
< |
} catch (FJException success) {} |
386 |
> |
} catch (FJException success) { |
387 |
> |
checkCompletedAbnormally(f, success); |
388 |
> |
} |
389 |
|
return NoResult; |
390 |
|
}}; |
391 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
402 |
|
try { |
403 |
|
Integer r = f.get(); |
404 |
|
shouldThrow(); |
405 |
< |
return r; |
406 |
< |
} catch (ExecutionException success) {} |
405 |
> |
} catch (ExecutionException success) { |
406 |
> |
Throwable cause = success.getCause(); |
407 |
> |
assertTrue(cause instanceof FJException); |
408 |
> |
checkCompletedAbnormally(f, cause); |
409 |
> |
} |
410 |
|
return NoResult; |
411 |
|
}}; |
412 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
421 |
|
FailingFibTask f = new FailingFibTask(8); |
422 |
|
assertSame(f, f.fork()); |
423 |
|
try { |
424 |
< |
Integer r = f.get(5L, TimeUnit.SECONDS); |
424 |
> |
Integer r = f.get(LONG_DELAY_MS, MILLISECONDS); |
425 |
|
shouldThrow(); |
426 |
< |
return r; |
427 |
< |
} catch (ExecutionException success) {} |
426 |
> |
} catch (ExecutionException success) { |
427 |
> |
Throwable cause = success.getCause(); |
428 |
> |
assertTrue(cause instanceof FJException); |
429 |
> |
checkCompletedAbnormally(f, cause); |
430 |
> |
} |
431 |
|
return NoResult; |
432 |
|
}}; |
433 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
442 |
|
FailingFibTask f = new FailingFibTask(8); |
443 |
|
assertSame(f, f.fork()); |
444 |
|
f.quietlyJoin(); |
315 |
– |
assertTrue(f.isDone()); |
316 |
– |
assertTrue(f.isCompletedAbnormally()); |
445 |
|
assertTrue(f.getException() instanceof FJException); |
446 |
+ |
checkCompletedAbnormally(f, f.getException()); |
447 |
|
return NoResult; |
448 |
|
}}; |
449 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
460 |
|
try { |
461 |
|
Integer r = f.invoke(); |
462 |
|
shouldThrow(); |
463 |
< |
return r; |
464 |
< |
} catch (CancellationException success) {} |
463 |
> |
} catch (CancellationException success) { |
464 |
> |
checkCancelled(f); |
465 |
> |
} |
466 |
|
return NoResult; |
467 |
|
}}; |
468 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
480 |
|
try { |
481 |
|
Integer r = f.join(); |
482 |
|
shouldThrow(); |
483 |
< |
return r; |
484 |
< |
} catch (CancellationException success) {} |
483 |
> |
} catch (CancellationException success) { |
484 |
> |
checkCancelled(f); |
485 |
> |
} |
486 |
|
return NoResult; |
487 |
|
}}; |
488 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
500 |
|
try { |
501 |
|
Integer r = f.get(); |
502 |
|
shouldThrow(); |
503 |
< |
return r; |
504 |
< |
} catch (CancellationException success) {} |
503 |
> |
} catch (CancellationException success) { |
504 |
> |
checkCancelled(f); |
505 |
> |
} |
506 |
|
return NoResult; |
507 |
|
}}; |
508 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
518 |
|
assertTrue(f.cancel(true)); |
519 |
|
assertSame(f, f.fork()); |
520 |
|
try { |
521 |
< |
Integer r = f.get(5L, TimeUnit.SECONDS); |
521 |
> |
Integer r = f.get(LONG_DELAY_MS, MILLISECONDS); |
522 |
|
shouldThrow(); |
523 |
< |
return r; |
524 |
< |
} catch (CancellationException success) {} |
523 |
> |
} catch (CancellationException success) { |
524 |
> |
checkCancelled(f); |
525 |
> |
} |
526 |
|
return NoResult; |
527 |
|
}}; |
528 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
538 |
|
assertTrue(f.cancel(true)); |
539 |
|
assertSame(f, f.fork()); |
540 |
|
f.quietlyJoin(); |
541 |
< |
assertTrue(f.isDone()); |
409 |
< |
assertTrue(f.isCompletedAbnormally()); |
410 |
< |
assertTrue(f.isCancelled()); |
411 |
< |
assertTrue(f.getException() instanceof CancellationException); |
541 |
> |
checkCancelled(f); |
542 |
|
return NoResult; |
543 |
|
}}; |
544 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
587 |
|
public void testInForkJoinPool2() { |
588 |
|
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
589 |
|
public Integer realCompute() { |
590 |
< |
assertTrue(!inForkJoinPool()); |
590 |
> |
assertFalse(inForkJoinPool()); |
591 |
|
return NoResult; |
592 |
|
}}; |
593 |
|
assertSame(NoResult, a.invoke()); |
604 |
|
return NoResult; |
605 |
|
} |
606 |
|
}; |
607 |
< |
a.invoke(); |
607 |
> |
assertSame(NoResult, a.invoke()); |
608 |
|
} |
609 |
|
|
610 |
|
/** |
611 |
< |
* A reinitialized task may be re-invoked |
611 |
> |
* A reinitialized normally completed task may be re-invoked |
612 |
|
*/ |
613 |
|
public void testReinitialize() { |
614 |
|
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
615 |
|
public Integer realCompute() { |
616 |
|
FibTask f = new FibTask(8); |
617 |
< |
Integer r = f.invoke(); |
618 |
< |
assertEquals(21, (int) r); |
619 |
< |
assertTrue(f.isDone()); |
620 |
< |
assertFalse(f.isCancelled()); |
621 |
< |
assertFalse(f.isCompletedAbnormally()); |
622 |
< |
f.reinitialize(); |
623 |
< |
r = f.invoke(); |
624 |
< |
assertEquals(21, (int) r); |
617 |
> |
checkNotDone(f); |
618 |
> |
|
619 |
> |
for (int i = 0; i < 3; i++) { |
620 |
> |
Integer r = f.invoke(); |
621 |
> |
assertEquals(21, (int) r); |
622 |
> |
checkCompletedNormally(f, r); |
623 |
> |
f.reinitialize(); |
624 |
> |
f.publicSetRawResult(null); |
625 |
> |
checkNotDone(f); |
626 |
> |
} |
627 |
> |
return NoResult; |
628 |
> |
}}; |
629 |
> |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
630 |
> |
} |
631 |
> |
|
632 |
> |
/** |
633 |
> |
* A reinitialized abnormally completed task may be re-invoked |
634 |
> |
*/ |
635 |
> |
public void testReinitializeAbnormal() { |
636 |
> |
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
637 |
> |
public Integer realCompute() { |
638 |
> |
FailingFibTask f = new FailingFibTask(8); |
639 |
> |
checkNotDone(f); |
640 |
> |
|
641 |
> |
for (int i = 0; i < 3; i++) { |
642 |
> |
try { |
643 |
> |
f.invoke(); |
644 |
> |
shouldThrow(); |
645 |
> |
} catch (FJException success) { |
646 |
> |
checkCompletedAbnormally(f, success); |
647 |
> |
} |
648 |
> |
f.reinitialize(); |
649 |
> |
checkNotDone(f); |
650 |
> |
} |
651 |
|
return NoResult; |
652 |
|
}}; |
653 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
664 |
|
try { |
665 |
|
Integer r = f.invoke(); |
666 |
|
shouldThrow(); |
667 |
< |
return r; |
668 |
< |
} catch (FJException success) {} |
667 |
> |
} catch (FJException success) { |
668 |
> |
checkCompletedAbnormally(f, success); |
669 |
> |
} |
670 |
|
return NoResult; |
671 |
|
}}; |
672 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
681 |
|
FibTask f = new FibTask(8); |
682 |
|
f.complete(NoResult); |
683 |
|
Integer r = f.invoke(); |
527 |
– |
assertTrue(f.isDone()); |
684 |
|
assertSame(NoResult, r); |
685 |
+ |
checkCompletedNormally(f, NoResult); |
686 |
|
return r; |
687 |
|
}}; |
688 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
697 |
|
FibTask f = new FibTask(8); |
698 |
|
FibTask g = new FibTask(9); |
699 |
|
invokeAll(f, g); |
700 |
< |
assertTrue(f.isDone()); |
701 |
< |
assertEquals(21, (int) f.join()); |
545 |
< |
assertTrue(g.isDone()); |
546 |
< |
assertEquals(34, (int) g.join()); |
700 |
> |
checkCompletedNormally(f, 21); |
701 |
> |
checkCompletedNormally(g, 34); |
702 |
|
return NoResult; |
703 |
|
}}; |
704 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
712 |
|
public Integer realCompute() { |
713 |
|
FibTask f = new FibTask(8); |
714 |
|
invokeAll(f); |
715 |
< |
assertTrue(f.isDone()); |
561 |
< |
assertEquals(21, (int) f.join()); |
715 |
> |
checkCompletedNormally(f, 21); |
716 |
|
return NoResult; |
717 |
|
}}; |
718 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
729 |
|
FibTask h = new FibTask(7); |
730 |
|
invokeAll(f, g, h); |
731 |
|
assertTrue(f.isDone()); |
578 |
– |
assertEquals(21, (int) f.join()); |
732 |
|
assertTrue(g.isDone()); |
580 |
– |
assertEquals(34, (int) g.join()); |
733 |
|
assertTrue(h.isDone()); |
734 |
< |
assertEquals(13, (int) h.join()); |
734 |
> |
checkCompletedNormally(f, 21); |
735 |
> |
checkCompletedNormally(g, 34); |
736 |
> |
checkCompletedNormally(h, 13); |
737 |
|
return NoResult; |
738 |
|
}}; |
739 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
754 |
|
set.add(h); |
755 |
|
invokeAll(set); |
756 |
|
assertTrue(f.isDone()); |
603 |
– |
assertEquals(21, (int) f.join()); |
757 |
|
assertTrue(g.isDone()); |
605 |
– |
assertEquals(34, (int) g.join()); |
758 |
|
assertTrue(h.isDone()); |
759 |
< |
assertEquals(13, (int) h.join()); |
759 |
> |
checkCompletedNormally(f, 21); |
760 |
> |
checkCompletedNormally(g, 34); |
761 |
> |
checkCompletedNormally(h, 13); |
762 |
|
return NoResult; |
763 |
|
}}; |
764 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
765 |
|
} |
766 |
|
|
767 |
+ |
/** |
768 |
+ |
* invokeAll(tasks) with any null task throws NPE |
769 |
+ |
*/ |
770 |
+ |
public void testInvokeAllNPE() { |
771 |
+ |
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
772 |
+ |
public Integer realCompute() { |
773 |
+ |
FibTask f = new FibTask(8); |
774 |
+ |
FibTask g = new FibTask(9); |
775 |
+ |
FibTask h = null; |
776 |
+ |
try { |
777 |
+ |
invokeAll(f, g, h); |
778 |
+ |
shouldThrow(); |
779 |
+ |
} catch (NullPointerException success) {} |
780 |
+ |
return NoResult; |
781 |
+ |
}}; |
782 |
+ |
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
783 |
+ |
} |
784 |
|
|
785 |
|
/** |
786 |
|
* invokeAll(t1, t2) throw exception if any task does |
793 |
|
try { |
794 |
|
invokeAll(f, g); |
795 |
|
shouldThrow(); |
796 |
< |
return NoResult; |
797 |
< |
} catch (FJException success) {} |
796 |
> |
} catch (FJException success) { |
797 |
> |
checkCompletedAbnormally(g, success); |
798 |
> |
} |
799 |
|
return NoResult; |
800 |
|
}}; |
801 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
811 |
|
try { |
812 |
|
invokeAll(g); |
813 |
|
shouldThrow(); |
814 |
< |
return NoResult; |
815 |
< |
} catch (FJException success) {} |
814 |
> |
} catch (FJException success) { |
815 |
> |
checkCompletedAbnormally(g, success); |
816 |
> |
} |
817 |
|
return NoResult; |
818 |
|
}}; |
819 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
831 |
|
try { |
832 |
|
invokeAll(f, g, h); |
833 |
|
shouldThrow(); |
834 |
< |
return NoResult; |
835 |
< |
} catch (FJException success) {} |
834 |
> |
} catch (FJException success) { |
835 |
> |
checkCompletedAbnormally(g, success); |
836 |
> |
} |
837 |
|
return NoResult; |
838 |
|
}}; |
839 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
855 |
|
try { |
856 |
|
invokeAll(set); |
857 |
|
shouldThrow(); |
858 |
< |
return NoResult; |
859 |
< |
} catch (FJException success) {} |
858 |
> |
} catch (FJException success) { |
859 |
> |
checkCompletedAbnormally(f, success); |
860 |
> |
} |
861 |
|
return NoResult; |
862 |
|
}}; |
863 |
|
assertSame(NoResult, testInvokeOnPool(mainPool(), a)); |
876 |
|
assertSame(f, f.fork()); |
877 |
|
assertTrue(f.tryUnfork()); |
878 |
|
helpQuiesce(); |
879 |
< |
assertFalse(f.isDone()); |
880 |
< |
assertTrue(g.isDone()); |
879 |
> |
checkNotDone(f); |
880 |
> |
checkCompletedNormally(g, 34); |
881 |
|
return NoResult; |
882 |
|
}}; |
883 |
|
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
898 |
|
assertSame(f, f.fork()); |
899 |
|
assertTrue(getSurplusQueuedTaskCount() > 0); |
900 |
|
helpQuiesce(); |
901 |
+ |
assertEquals(0, getSurplusQueuedTaskCount()); |
902 |
+ |
checkCompletedNormally(f, 21); |
903 |
+ |
checkCompletedNormally(g, 34); |
904 |
+ |
checkCompletedNormally(h, 13); |
905 |
|
return NoResult; |
906 |
|
}}; |
907 |
|
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
918 |
|
FibTask f = new FibTask(8); |
919 |
|
assertSame(f, f.fork()); |
920 |
|
assertSame(f, peekNextLocalTask()); |
921 |
< |
assertEquals(21, (int) f.join()); |
743 |
< |
assertTrue(f.isDone()); |
921 |
> |
checkCompletesNormally(f, 21); |
922 |
|
helpQuiesce(); |
923 |
+ |
checkCompletedNormally(g, 34); |
924 |
|
return NoResult; |
925 |
|
}}; |
926 |
|
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
939 |
|
assertSame(f, f.fork()); |
940 |
|
assertSame(f, pollNextLocalTask()); |
941 |
|
helpQuiesce(); |
942 |
< |
assertFalse(f.isDone()); |
942 |
> |
checkNotDone(f); |
943 |
> |
checkCompletedNormally(g, 34); |
944 |
|
return NoResult; |
945 |
|
}}; |
946 |
|
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
958 |
|
assertSame(f, f.fork()); |
959 |
|
assertSame(f, pollTask()); |
960 |
|
helpQuiesce(); |
961 |
< |
assertFalse(f.isDone()); |
962 |
< |
assertTrue(g.isDone()); |
961 |
> |
checkNotDone(f); |
962 |
> |
checkCompletedNormally(g, 34); |
963 |
|
return NoResult; |
964 |
|
}}; |
965 |
|
assertSame(NoResult, testInvokeOnPool(singletonPool(), a)); |
978 |
|
assertSame(g, peekNextLocalTask()); |
979 |
|
assertEquals(21, (int) f.join()); |
980 |
|
helpQuiesce(); |
981 |
< |
assertTrue(f.isDone()); |
981 |
> |
checkCompletedNormally(f, 21); |
982 |
> |
checkCompletedNormally(g, 34); |
983 |
|
return NoResult; |
984 |
|
}}; |
985 |
|
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |
986 |
|
} |
987 |
|
|
988 |
|
/** |
989 |
< |
* pollNextLocalTask returns least recent unexecuted task |
990 |
< |
* without executing it, in async mode |
989 |
> |
* pollNextLocalTask returns least recent unexecuted task without |
990 |
> |
* executing it, in async mode |
991 |
|
*/ |
992 |
|
public void testPollNextLocalTaskAsync() { |
993 |
|
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
998 |
|
assertSame(f, f.fork()); |
999 |
|
assertSame(g, pollNextLocalTask()); |
1000 |
|
helpQuiesce(); |
1001 |
< |
assertTrue(f.isDone()); |
1002 |
< |
assertFalse(g.isDone()); |
1001 |
> |
checkCompletedNormally(f, 21); |
1002 |
> |
checkNotDone(g); |
1003 |
|
return NoResult; |
1004 |
|
}}; |
1005 |
|
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |
1006 |
|
} |
1007 |
|
|
1008 |
|
/** |
1009 |
< |
* pollTask returns an unexecuted task |
1010 |
< |
* without executing it, in async mode |
1009 |
> |
* pollTask returns an unexecuted task without executing it, in |
1010 |
> |
* async mode |
1011 |
|
*/ |
1012 |
|
public void testPollTaskAsync() { |
1013 |
|
RecursiveTask<Integer> a = new CheckedRecursiveTask<Integer>() { |
1018 |
|
assertSame(f, f.fork()); |
1019 |
|
assertSame(g, pollTask()); |
1020 |
|
helpQuiesce(); |
1021 |
< |
assertTrue(f.isDone()); |
1022 |
< |
assertFalse(g.isDone()); |
1021 |
> |
checkCompletedNormally(f, 21); |
1022 |
> |
checkNotDone(g); |
1023 |
|
return NoResult; |
1024 |
|
}}; |
1025 |
|
assertSame(NoResult, testInvokeOnPool(asyncSingletonPool(), a)); |