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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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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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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.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.FutureTask; |
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import java.util.concurrent.TimeoutException; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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import java.util.*; |
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|
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public class FutureTaskTest extends JSR166TestCase { |
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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(FutureTaskTest.class); |
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return new TestSuite(FutureTaskTest.class); |
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} |
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|
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void checkNotDone(Future<?> f) { |
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assertFalse(f.isDone()); |
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assertFalse(f.isCancelled()); |
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} |
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|
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<T> void checkCompletedNormally(Future<T> f, T expected) { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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|
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try { |
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assertSame(expected, f.get()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertSame(expected, f.get(5L, SECONDS)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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assertFalse(f.cancel(false)); |
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assertFalse(f.cancel(true)); |
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} |
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|
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void checkCancelled(Future<?> f) { |
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assertTrue(f.isDone()); |
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assertTrue(f.isCancelled()); |
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> |
|
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try { |
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f.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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f.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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assertFalse(f.cancel(false)); |
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assertFalse(f.cancel(true)); |
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} |
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|
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void checkCompletedAbnormally(Future<?> f, Throwable t) { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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> |
|
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try { |
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f.get(); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(t, success.getCause()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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try { |
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f.get(5L, SECONDS); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(t, success.getCause()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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assertFalse(f.cancel(false)); |
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assertFalse(f.cancel(true)); |
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} |
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|
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/** |
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public void testConstructor() { |
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try { |
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FutureTask task = new FutureTask(null); |
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shouldThrow("NullPointerException"); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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public void testConstructor2() { |
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try { |
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FutureTask task = new FutureTask(null, Boolean.TRUE); |
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shouldThrow("NullPointerException"); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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*/ |
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public void testIsDone() { |
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FutureTask task = new FutureTask(new NoOpCallable()); |
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task.run(); |
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assertTrue(task.isDone()); |
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assertFalse(task.isCancelled()); |
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task.run(); |
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assertTrue(task.isDone()); |
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checkCompletedNormally(task, Boolean.TRUE); |
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} |
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|
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/** |
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*/ |
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public void testRunAndReset() { |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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assertTrue(task.runAndReset()); |
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assertFalse(task.isDone()); |
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> |
assertTrue(task.runAndReset()); |
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checkNotDone(task); |
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} |
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|
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/** |
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public void testResetAfterCancel() { |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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assertTrue(task.cancel(false)); |
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< |
assertFalse(task.runAndReset()); |
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assertTrue(task.isDone()); |
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assertTrue(task.isCancelled()); |
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assertFalse(task.runAndReset()); |
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> |
checkCancelled(task); |
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} |
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|
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|
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– |
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/** |
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* setting value causes get to return it |
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*/ |
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public void testSet() throws Exception { |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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task.set(one); |
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assertEquals(task.get(), one); |
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assertSame(task.get(), one); |
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> |
checkCompletedNormally(task, one); |
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} |
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|
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/** |
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task.setException(nse); |
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try { |
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Object x = task.get(); |
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shouldThrow("ExecutionException"); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(success.getCause(), nse); |
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checkCompletedAbnormally(task, nse); |
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} |
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} |
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|
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/** |
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* Cancelling before running succeeds |
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* Cancelling before running succeeds |
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*/ |
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public void testCancelBeforeRun() { |
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FutureTask task = new FutureTask(new NoOpCallable()); |
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assertTrue(task.cancel(false)); |
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< |
task.run(); |
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< |
assertTrue(task.isDone()); |
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< |
assertTrue(task.isCancelled()); |
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> |
task.run(); |
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> |
checkCancelled(task); |
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} |
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|
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/** |
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public void testCancelBeforeRun2() { |
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FutureTask task = new FutureTask(new NoOpCallable()); |
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assertTrue(task.cancel(true)); |
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< |
task.run(); |
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< |
assertTrue(task.isDone()); |
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< |
assertTrue(task.isCancelled()); |
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> |
task.run(); |
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> |
checkCancelled(task); |
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} |
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|
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/** |
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*/ |
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public void testCancelAfterRun() { |
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FutureTask task = new FutureTask(new NoOpCallable()); |
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< |
task.run(); |
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> |
task.run(); |
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assertFalse(task.cancel(false)); |
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< |
assertTrue(task.isDone()); |
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< |
assertFalse(task.isCancelled()); |
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> |
checkCompletedNormally(task, Boolean.TRUE); |
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} |
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|
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/** |
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* cancel(true) interrupts a running task |
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*/ |
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public void testCancelInterrupt() throws InterruptedException { |
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< |
final FutureTask task = |
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< |
new FutureTask(new CheckedInterruptedCallable<Object>() { |
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< |
public Object realCall() throws InterruptedException { |
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< |
Thread.sleep(SMALL_DELAY_MS); |
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< |
return Boolean.TRUE; |
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> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
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> |
final FutureTask task = |
| 214 |
> |
new FutureTask(new CheckedCallable<Object>() { |
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> |
public Object realCall() { |
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> |
threadStarted.countDown(); |
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> |
long t0 = System.nanoTime(); |
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> |
for (;;) { |
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> |
if (Thread.interrupted()) |
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> |
return Boolean.TRUE; |
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> |
if (millisElapsedSince(t0) > MEDIUM_DELAY_MS) |
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> |
fail("interrupt not delivered"); |
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Thread.yield(); |
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> |
} |
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}}); |
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|
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< |
Thread t = new Thread(task); |
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< |
t.start(); |
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< |
Thread.sleep(SHORT_DELAY_MS); |
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> |
Thread t = newStartedThread(task); |
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> |
threadStarted.await(); |
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assertTrue(task.cancel(true)); |
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< |
t.join(); |
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< |
assertTrue(task.isDone()); |
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< |
assertTrue(task.isCancelled()); |
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> |
checkCancelled(task); |
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awaitTermination(t, MEDIUM_DELAY_MS); |
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> |
checkCancelled(task); |
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} |
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|
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– |
|
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/** |
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* cancel(false) does not interrupt a running task |
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*/ |
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public void testCancelNoInterrupt() throws InterruptedException { |
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< |
final FutureTask task = |
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< |
new FutureTask(new CheckedCallable<Object>() { |
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< |
public Object realCall() throws InterruptedException { |
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< |
Thread.sleep(MEDIUM_DELAY_MS); |
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> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
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> |
final CountDownLatch cancelled = new CountDownLatch(1); |
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> |
final FutureTask<Boolean> task = |
| 242 |
> |
new FutureTask<Boolean>(new CheckedCallable<Boolean>() { |
| 243 |
> |
public Boolean realCall() throws InterruptedException { |
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> |
threadStarted.countDown(); |
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> |
cancelled.await(MEDIUM_DELAY_MS, MILLISECONDS); |
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> |
assertFalse(Thread.interrupted()); |
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return Boolean.TRUE; |
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}}); |
| 249 |
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|
| 250 |
< |
Thread t = new Thread(task); |
| 251 |
< |
t.start(); |
| 176 |
< |
Thread.sleep(SHORT_DELAY_MS); |
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> |
Thread t = newStartedThread(task); |
| 251 |
> |
threadStarted.await(); |
| 252 |
|
assertTrue(task.cancel(false)); |
| 253 |
< |
t.join(); |
| 254 |
< |
assertTrue(task.isDone()); |
| 255 |
< |
assertTrue(task.isCancelled()); |
| 253 |
> |
checkCancelled(task); |
| 254 |
> |
cancelled.countDown(); |
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> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 256 |
> |
checkCancelled(task); |
| 257 |
> |
} |
| 258 |
> |
|
| 259 |
> |
/** |
| 260 |
> |
* run in one thread causes get in another thread to retrieve value |
| 261 |
> |
*/ |
| 262 |
> |
public void testGetRun() throws InterruptedException { |
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> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 264 |
> |
|
| 265 |
> |
final FutureTask task = |
| 266 |
> |
new FutureTask(new CheckedCallable<Object>() { |
| 267 |
> |
public Object realCall() throws InterruptedException { |
| 268 |
> |
return Boolean.TRUE; |
| 269 |
> |
}}); |
| 270 |
> |
|
| 271 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 272 |
> |
public void realRun() throws Exception { |
| 273 |
> |
threadStarted.countDown(); |
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> |
assertSame(Boolean.TRUE, task.get()); |
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> |
}}); |
| 276 |
> |
|
| 277 |
> |
threadStarted.await(); |
| 278 |
> |
checkNotDone(task); |
| 279 |
> |
assertTrue(t.isAlive()); |
| 280 |
> |
task.run(); |
| 281 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 282 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 283 |
|
} |
| 284 |
|
|
| 285 |
|
/** |
| 286 |
|
* set in one thread causes get in another thread to retrieve value |
| 287 |
|
*/ |
| 288 |
< |
public void testGet1() throws InterruptedException { |
| 289 |
< |
final FutureTask ft = |
| 288 |
> |
public void testGetSet() throws InterruptedException { |
| 289 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 290 |
> |
|
| 291 |
> |
final PublicFutureTask task = |
| 292 |
> |
new PublicFutureTask(new CheckedCallable<Object>() { |
| 293 |
> |
public Object realCall() throws InterruptedException { |
| 294 |
> |
return Boolean.TRUE; |
| 295 |
> |
}}); |
| 296 |
> |
|
| 297 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 298 |
> |
public void realRun() throws Exception { |
| 299 |
> |
threadStarted.countDown(); |
| 300 |
> |
assertSame(Boolean.FALSE, task.get()); |
| 301 |
> |
}}); |
| 302 |
> |
|
| 303 |
> |
threadStarted.await(); |
| 304 |
> |
checkNotDone(task); |
| 305 |
> |
assertTrue(t.isAlive()); |
| 306 |
> |
task.set(Boolean.FALSE); |
| 307 |
> |
checkCompletedNormally(task, Boolean.FALSE); |
| 308 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 309 |
> |
} |
| 310 |
> |
|
| 311 |
> |
/** |
| 312 |
> |
* run in one thread causes timed get in another thread to retrieve value |
| 313 |
> |
*/ |
| 314 |
> |
public void testTimedGetRun() throws InterruptedException { |
| 315 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 316 |
> |
|
| 317 |
> |
final FutureTask task = |
| 318 |
|
new FutureTask(new CheckedCallable<Object>() { |
| 319 |
< |
public Object realCall() throws InterruptedException { |
| 319 |
> |
public Object realCall() throws InterruptedException { |
| 320 |
|
return Boolean.TRUE; |
| 321 |
|
}}); |
| 322 |
< |
Thread t = new Thread(new CheckedRunnable() { |
| 322 |
> |
|
| 323 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 324 |
|
public void realRun() throws Exception { |
| 325 |
< |
assertSame(Boolean.TRUE, ft.get()); |
| 325 |
> |
threadStarted.countDown(); |
| 326 |
> |
assertSame(Boolean.TRUE, |
| 327 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 328 |
|
}}); |
| 329 |
|
|
| 330 |
< |
assertFalse(ft.isDone()); |
| 331 |
< |
assertFalse(ft.isCancelled()); |
| 332 |
< |
t.start(); |
| 333 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 334 |
< |
ft.run(); |
| 335 |
< |
t.join(); |
| 203 |
< |
assertTrue(ft.isDone()); |
| 204 |
< |
assertFalse(ft.isCancelled()); |
| 330 |
> |
threadStarted.await(); |
| 331 |
> |
checkNotDone(task); |
| 332 |
> |
assertTrue(t.isAlive()); |
| 333 |
> |
task.run(); |
| 334 |
> |
checkCompletedNormally(task, Boolean.TRUE); |
| 335 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 336 |
|
} |
| 337 |
|
|
| 338 |
|
/** |
| 339 |
|
* set in one thread causes timed get in another thread to retrieve value |
| 340 |
|
*/ |
| 341 |
< |
public void testTimedGet1() throws InterruptedException { |
| 342 |
< |
final FutureTask ft = |
| 343 |
< |
new FutureTask(new CheckedCallable<Object>() { |
| 344 |
< |
public Object realCall() throws InterruptedException { |
| 341 |
> |
public void testTimedGetSet() throws InterruptedException { |
| 342 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 343 |
> |
|
| 344 |
> |
final PublicFutureTask task = |
| 345 |
> |
new PublicFutureTask(new CheckedCallable<Object>() { |
| 346 |
> |
public Object realCall() throws InterruptedException { |
| 347 |
|
return Boolean.TRUE; |
| 348 |
|
}}); |
| 349 |
< |
Thread t = new Thread(new CheckedRunnable() { |
| 349 |
> |
|
| 350 |
> |
Thread t = newStartedThread(new CheckedRunnable() { |
| 351 |
|
public void realRun() throws Exception { |
| 352 |
< |
assertSame(Boolean.TRUE, ft.get(SMALL_DELAY_MS, MILLISECONDS)); |
| 352 |
> |
threadStarted.countDown(); |
| 353 |
> |
assertSame(Boolean.FALSE, |
| 354 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
| 355 |
|
}}); |
| 356 |
|
|
| 357 |
< |
assertFalse(ft.isDone()); |
| 358 |
< |
assertFalse(ft.isCancelled()); |
| 359 |
< |
t.start(); |
| 360 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 361 |
< |
ft.run(); |
| 362 |
< |
t.join(); |
| 227 |
< |
assertTrue(ft.isDone()); |
| 228 |
< |
assertFalse(ft.isCancelled()); |
| 357 |
> |
threadStarted.await(); |
| 358 |
> |
checkNotDone(task); |
| 359 |
> |
assertTrue(t.isAlive()); |
| 360 |
> |
task.set(Boolean.FALSE); |
| 361 |
> |
checkCompletedNormally(task, Boolean.FALSE); |
| 362 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 363 |
|
} |
| 364 |
|
|
| 365 |
|
/** |
| 366 |
< |
* Cancelling a task causes timed get in another thread to throw CancellationException |
| 366 |
> |
* Cancelling a task causes timed get in another thread to throw |
| 367 |
> |
* CancellationException |
| 368 |
|
*/ |
| 369 |
|
public void testTimedGet_Cancellation() throws InterruptedException { |
| 370 |
< |
final FutureTask ft = |
| 370 |
> |
final CountDownLatch threadStarted = new CountDownLatch(2); |
| 371 |
> |
final FutureTask task = |
| 372 |
|
new FutureTask(new CheckedInterruptedCallable<Object>() { |
| 373 |
< |
public Object realCall() throws InterruptedException { |
| 374 |
< |
Thread.sleep(SMALL_DELAY_MS); |
| 375 |
< |
return Boolean.TRUE; |
| 373 |
> |
public Object realCall() throws InterruptedException { |
| 374 |
> |
threadStarted.countDown(); |
| 375 |
> |
delay(LONG_DELAY_MS); |
| 376 |
> |
return Boolean.TRUE; |
| 377 |
|
}}); |
| 378 |
|
|
| 379 |
|
Thread t1 = new ThreadShouldThrow(CancellationException.class) { |
| 380 |
|
public void realRun() throws Exception { |
| 381 |
< |
ft.get(MEDIUM_DELAY_MS, MILLISECONDS); |
| 381 |
> |
threadStarted.countDown(); |
| 382 |
> |
task.get(MEDIUM_DELAY_MS, MILLISECONDS); |
| 383 |
|
}}; |
| 384 |
< |
Thread t2 = new Thread(ft); |
| 384 |
> |
Thread t2 = new Thread(task); |
| 385 |
|
t1.start(); |
| 386 |
|
t2.start(); |
| 387 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 388 |
< |
ft.cancel(true); |
| 389 |
< |
t1.join(); |
| 390 |
< |
t2.join(); |
| 387 |
> |
threadStarted.await(); |
| 388 |
> |
task.cancel(true); |
| 389 |
> |
awaitTermination(t1, MEDIUM_DELAY_MS); |
| 390 |
> |
awaitTermination(t2, MEDIUM_DELAY_MS); |
| 391 |
> |
checkCancelled(task); |
| 392 |
|
} |
| 393 |
|
|
| 394 |
|
/** |
| 395 |
< |
* Cancelling a task causes get in another thread to throw CancellationException |
| 395 |
> |
* Cancelling a task causes get in another thread to throw |
| 396 |
> |
* CancellationException |
| 397 |
|
*/ |
| 398 |
|
public void testGet_Cancellation() throws InterruptedException { |
| 399 |
< |
final FutureTask ft = |
| 399 |
> |
final CountDownLatch threadStarted = new CountDownLatch(2); |
| 400 |
> |
final FutureTask task = |
| 401 |
|
new FutureTask(new CheckedInterruptedCallable<Object>() { |
| 402 |
< |
public Object realCall() throws InterruptedException { |
| 403 |
< |
Thread.sleep(SMALL_DELAY_MS); |
| 404 |
< |
return Boolean.TRUE; |
| 402 |
> |
public Object realCall() throws InterruptedException { |
| 403 |
> |
threadStarted.countDown(); |
| 404 |
> |
delay(LONG_DELAY_MS); |
| 405 |
> |
return Boolean.TRUE; |
| 406 |
|
}}); |
| 407 |
+ |
|
| 408 |
|
Thread t1 = new ThreadShouldThrow(CancellationException.class) { |
| 409 |
|
public void realRun() throws Exception { |
| 410 |
< |
ft.get(); |
| 410 |
> |
threadStarted.countDown(); |
| 411 |
> |
task.get(); |
| 412 |
|
}}; |
| 413 |
< |
|
| 270 |
< |
Thread t2 = new Thread(ft); |
| 413 |
> |
Thread t2 = new Thread(task); |
| 414 |
|
t1.start(); |
| 415 |
|
t2.start(); |
| 416 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 417 |
< |
ft.cancel(true); |
| 418 |
< |
t1.join(); |
| 419 |
< |
t2.join(); |
| 416 |
> |
threadStarted.await(); |
| 417 |
> |
task.cancel(true); |
| 418 |
> |
awaitTermination(t1, MEDIUM_DELAY_MS); |
| 419 |
> |
awaitTermination(t2, MEDIUM_DELAY_MS); |
| 420 |
> |
checkCancelled(task); |
| 421 |
|
} |
| 422 |
|
|
| 423 |
|
|
| 425 |
|
* A runtime exception in task causes get to throw ExecutionException |
| 426 |
|
*/ |
| 427 |
|
public void testGet_ExecutionException() throws InterruptedException { |
| 428 |
< |
final FutureTask ft = new FutureTask(new Callable() { |
| 429 |
< |
public Object call() { |
| 428 |
> |
final FutureTask task = new FutureTask(new Callable() { |
| 429 |
> |
public Object call() { |
| 430 |
|
return 5/0; |
| 431 |
|
}}); |
| 432 |
|
|
| 433 |
< |
ft.run(); |
| 433 |
> |
task.run(); |
| 434 |
|
try { |
| 435 |
< |
ft.get(); |
| 436 |
< |
shouldThrow("ExecutionException"); |
| 437 |
< |
} catch (ExecutionException success) { |
| 435 |
> |
task.get(); |
| 436 |
> |
shouldThrow(); |
| 437 |
> |
} catch (ExecutionException success) { |
| 438 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
| 439 |
+ |
checkCompletedAbnormally(task, success.getCause()); |
| 440 |
|
} |
| 441 |
|
} |
| 442 |
|
|
| 443 |
|
/** |
| 444 |
< |
* A runtime exception in task causes timed get to throw ExecutionException |
| 444 |
> |
* A runtime exception in task causes timed get to throw ExecutionException |
| 445 |
|
*/ |
| 446 |
|
public void testTimedGet_ExecutionException2() throws Exception { |
| 447 |
< |
final FutureTask ft = new FutureTask(new Callable() { |
| 448 |
< |
public Object call() { |
| 447 |
> |
final FutureTask task = new FutureTask(new Callable() { |
| 448 |
> |
public Object call() { |
| 449 |
|
return 5/0; |
| 450 |
|
}}); |
| 451 |
|
|
| 452 |
< |
ft.run(); |
| 453 |
< |
try { |
| 454 |
< |
ft.get(SHORT_DELAY_MS, MILLISECONDS); |
| 455 |
< |
shouldThrow("ExecutionException"); |
| 456 |
< |
} catch (ExecutionException success) { |
| 452 |
> |
task.run(); |
| 453 |
> |
try { |
| 454 |
> |
task.get(SHORT_DELAY_MS, MILLISECONDS); |
| 455 |
> |
shouldThrow(); |
| 456 |
> |
} catch (ExecutionException success) { |
| 457 |
|
assertTrue(success.getCause() instanceof ArithmeticException); |
| 458 |
+ |
checkCompletedAbnormally(task, success.getCause()); |
| 459 |
|
} |
| 460 |
|
} |
| 461 |
|
|
| 464 |
|
* Interrupting a waiting get causes it to throw InterruptedException |
| 465 |
|
*/ |
| 466 |
|
public void testGet_InterruptedException() throws InterruptedException { |
| 467 |
< |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 468 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 467 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 468 |
> |
final FutureTask task = new FutureTask(new NoOpCallable()); |
| 469 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
| 470 |
|
public void realRun() throws Exception { |
| 471 |
< |
ft.get(); |
| 471 |
> |
threadStarted.countDown(); |
| 472 |
> |
task.get(); |
| 473 |
|
}}); |
| 474 |
|
|
| 475 |
< |
t.start(); |
| 328 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 475 |
> |
threadStarted.await(); |
| 476 |
|
t.interrupt(); |
| 477 |
< |
t.join(); |
| 477 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 478 |
> |
checkNotDone(task); |
| 479 |
|
} |
| 480 |
|
|
| 481 |
|
/** |
| 482 |
< |
* Interrupting a waiting timed get causes it to throw InterruptedException |
| 482 |
> |
* Interrupting a waiting timed get causes it to throw InterruptedException |
| 483 |
|
*/ |
| 484 |
|
public void testTimedGet_InterruptedException2() throws InterruptedException { |
| 485 |
< |
final FutureTask ft = new FutureTask(new NoOpCallable()); |
| 486 |
< |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
| 485 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
| 486 |
> |
final FutureTask task = new FutureTask(new NoOpCallable()); |
| 487 |
> |
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
| 488 |
|
public void realRun() throws Exception { |
| 489 |
< |
ft.get(LONG_DELAY_MS,MILLISECONDS); |
| 489 |
> |
threadStarted.countDown(); |
| 490 |
> |
task.get(LONG_DELAY_MS, MILLISECONDS); |
| 491 |
|
}}); |
| 492 |
|
|
| 493 |
< |
t.start(); |
| 344 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 493 |
> |
threadStarted.await(); |
| 494 |
|
t.interrupt(); |
| 495 |
< |
t.join(); |
| 495 |
> |
awaitTermination(t, MEDIUM_DELAY_MS); |
| 496 |
> |
checkNotDone(task); |
| 497 |
|
} |
| 498 |
|
|
| 499 |
|
/** |
| 500 |
|
* A timed out timed get throws TimeoutException |
| 501 |
|
*/ |
| 502 |
|
public void testGet_TimeoutException() throws Exception { |
| 503 |
< |
try { |
| 504 |
< |
FutureTask ft = new FutureTask(new NoOpCallable()); |
| 505 |
< |
ft.get(1,MILLISECONDS); |
| 506 |
< |
shouldThrow("TimeoutException"); |
| 507 |
< |
} catch (TimeoutException success) {} |
| 503 |
> |
try { |
| 504 |
> |
FutureTask task = new FutureTask(new NoOpCallable()); |
| 505 |
> |
task.get(1, MILLISECONDS); |
| 506 |
> |
shouldThrow(); |
| 507 |
> |
} catch (TimeoutException success) {} |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
} |
