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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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– |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.math.BigInteger; |
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import java.security.*; |
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|
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public class AbstractExecutorServiceTest extends JSR166TestCase{ |
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public class AbstractExecutorServiceTest 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(ExecutorsTest.class); |
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return new TestSuite(AbstractExecutorServiceTest.class); |
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} |
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|
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/** |
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/** |
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* A no-frills implementation of AbstractExecutorService, designed |
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* to test the submit/invoke methods only. |
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* to test the submit methods only. |
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*/ |
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static class DirectExecutorService extends AbstractExecutorService { |
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public void execute(Runnable r) { r.run(); } |
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public void shutdown() { shutdown = true; } |
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public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; } |
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public List<Runnable> shutdownNow() { |
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shutdown = true; |
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return Collections.EMPTY_LIST; |
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} |
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public boolean isShutdown() { return shutdown; } |
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public boolean isTerminated() { return isShutdown(); } |
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public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); } |
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public boolean awaitTermination(long timeout, TimeUnit unit) { |
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return isShutdown(); |
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} |
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private volatile boolean shutdown = false; |
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} |
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|
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private static final String TEST_STRING = "a test string"; |
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|
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private static class StringTask implements Callable<String> { |
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public String call() { return TEST_STRING; } |
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/** |
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* execute(runnable) runs it to completion |
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*/ |
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public void testExecuteRunnable() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Future<?> future = e.submit(task); |
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future.get(); |
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assertTrue(task.done); |
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} |
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|
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/** |
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* execute of runnable runs it to completion |
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* Completed submit(callable) returns result |
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*/ |
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public void testExecuteRunnable() { |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Future<?> future = e.submit(task); |
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future.get(); |
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assertTrue(task.done); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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unexpectedException(); |
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} |
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public void testSubmitCallable() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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Future<String> future = e.submit(new StringTask()); |
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String result = future.get(); |
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assertSame(TEST_STRING, result); |
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} |
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/** |
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* execute of a callable runs it to completion |
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* Completed submit(runnable) returns successfully |
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*/ |
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public void testExecuteCallable() { |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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Future<String> future = e.submit(new StringTask()); |
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String result = future.get(); |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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unexpectedException(); |
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} |
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public void testSubmitRunnable() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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Future<?> future = e.submit(new NoOpRunnable()); |
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future.get(); |
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assertTrue(future.isDone()); |
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} |
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/** |
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* Completed submit(runnable, result) returns result |
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*/ |
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public void testSubmitRunnable2() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
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String result = future.get(); |
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assertSame(TEST_STRING, result); |
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} |
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|
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/** |
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* execute of a privileged action runs it to completion |
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* A submitted privileged action runs to completion |
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*/ |
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public void testExecutePrivilegedAction() { |
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Policy savedPolicy = Policy.getPolicy(); |
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AdjustablePolicy policy = new AdjustablePolicy(); |
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policy.addPermission(new RuntimePermission("getContextClassLoader")); |
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policy.addPermission(new RuntimePermission("setContextClassLoader")); |
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Policy.setPolicy(policy); |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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Future future = e.submit(Executors.callable(new PrivilegedAction() { |
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public void testSubmitPrivilegedAction() throws Exception { |
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Runnable r = new CheckedRunnable() { |
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public void realRun() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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Future future = e.submit(Executors.callable(new PrivilegedAction() { |
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public Object run() { |
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return TEST_STRING; |
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}})); |
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|
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Object result = future.get(); |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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unexpectedException(); |
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} |
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finally { |
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Policy.setPolicy(savedPolicy); |
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} |
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assertSame(TEST_STRING, future.get()); |
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}}; |
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|
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runWithPermissions(r, |
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new RuntimePermission("getClassLoader"), |
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new RuntimePermission("setContextClassLoader"), |
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new RuntimePermission("modifyThread")); |
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} |
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|
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/** |
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* execute of a privileged exception action runs it to completion |
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* A submitted privileged exception action runs to completion |
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*/ |
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public void testExecutePrivilegedExceptionAction() { |
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Policy savedPolicy = Policy.getPolicy(); |
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AdjustablePolicy policy = new AdjustablePolicy(); |
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policy.addPermission(new RuntimePermission("getContextClassLoader")); |
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policy.addPermission(new RuntimePermission("setContextClassLoader")); |
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Policy.setPolicy(policy); |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
109 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
110 |
> |
Runnable r = new CheckedRunnable() { |
111 |
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public void realRun() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
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Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
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public Object run() { |
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return TEST_STRING; |
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}})); |
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|
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Object result = future.get(); |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
135 |
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catch (InterruptedException ex) { |
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unexpectedException(); |
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} |
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finally { |
139 |
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Policy.setPolicy(savedPolicy); |
140 |
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} |
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assertSame(TEST_STRING, future.get()); |
119 |
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}}; |
120 |
> |
|
121 |
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runWithPermissions(r); |
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} |
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|
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/** |
125 |
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* execute of a failed privileged exception action reports exception |
125 |
> |
* A submitted failed privileged exception action reports exception |
126 |
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*/ |
127 |
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public void testExecuteFailedPrivilegedExceptionAction() { |
128 |
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Policy savedPolicy = Policy.getPolicy(); |
129 |
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AdjustablePolicy policy = new AdjustablePolicy(); |
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policy.addPermission(new RuntimePermission("getContextClassLoader")); |
131 |
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policy.addPermission(new RuntimePermission("setContextClassLoader")); |
151 |
< |
Policy.setPolicy(policy); |
152 |
< |
try { |
153 |
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ExecutorService e = new DirectExecutorService(); |
154 |
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Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
127 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
128 |
> |
Runnable r = new CheckedRunnable() { |
129 |
> |
public void realRun() throws Exception { |
130 |
> |
ExecutorService e = new DirectExecutorService(); |
131 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
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public Object run() throws Exception { |
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throw new IndexOutOfBoundsException(); |
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}})); |
135 |
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|
136 |
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Object result = future.get(); |
136 |
> |
try { |
137 |
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future.get(); |
138 |
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shouldThrow(); |
139 |
> |
} catch (ExecutionException success) { |
140 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
141 |
> |
}}}; |
142 |
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|
143 |
> |
runWithPermissions(r); |
144 |
> |
} |
145 |
> |
|
146 |
> |
/** |
147 |
> |
* execute(null runnable) throws NPE |
148 |
> |
*/ |
149 |
> |
public void testExecuteNullRunnable() { |
150 |
> |
try { |
151 |
> |
ExecutorService e = new DirectExecutorService(); |
152 |
> |
e.submit((Runnable) null); |
153 |
|
shouldThrow(); |
154 |
< |
} |
162 |
< |
catch (ExecutionException success) { |
163 |
< |
} |
164 |
< |
catch (InterruptedException ex) { |
165 |
< |
unexpectedException(); |
166 |
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} |
167 |
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finally { |
168 |
< |
Policy.setPolicy(savedPolicy); |
169 |
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} |
154 |
> |
} catch (NullPointerException success) {} |
155 |
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} |
156 |
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|
157 |
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/** |
158 |
< |
* invoke of a callable runs it to completion |
158 |
> |
* submit(null callable) throws NPE |
159 |
|
*/ |
160 |
< |
public void testInvokeCallable() { |
160 |
> |
public void testSubmitNullCallable() { |
161 |
|
try { |
162 |
|
ExecutorService e = new DirectExecutorService(); |
163 |
< |
String result = e.invoke(new StringTask()); |
163 |
> |
e.submit((Callable) null); |
164 |
> |
shouldThrow(); |
165 |
> |
} catch (NullPointerException success) {} |
166 |
> |
} |
167 |
|
|
168 |
< |
assertSame(TEST_STRING, result); |
169 |
< |
} |
170 |
< |
catch (ExecutionException ex) { |
171 |
< |
unexpectedException(); |
172 |
< |
} |
173 |
< |
catch (InterruptedException ex) { |
174 |
< |
unexpectedException(); |
168 |
> |
/** |
169 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
170 |
> |
*/ |
171 |
> |
public void testInterruptedSubmit() throws InterruptedException { |
172 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
173 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
174 |
> |
final ExecutorService p |
175 |
> |
= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
176 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
177 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
178 |
> |
public Void realCall() throws InterruptedException { |
179 |
> |
quittingTime.await(); |
180 |
> |
return null; |
181 |
> |
}}; |
182 |
> |
try { |
183 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
184 |
> |
public void realRun() throws Exception { |
185 |
> |
Future<Void> future = p.submit(awaiter); |
186 |
> |
submitted.countDown(); |
187 |
> |
future.get(); |
188 |
> |
}}); |
189 |
> |
t.start(); |
190 |
> |
submitted.await(); |
191 |
> |
t.interrupt(); |
192 |
> |
t.join(); |
193 |
> |
} finally { |
194 |
> |
quittingTime.countDown(); |
195 |
> |
joinPool(p); |
196 |
|
} |
197 |
|
} |
198 |
|
|
199 |
|
/** |
200 |
< |
* execute with a null runnable throws NPE |
200 |
> |
* get of submit(callable) throws ExecutionException if callable |
201 |
> |
* throws exception |
202 |
|
*/ |
203 |
< |
public void testExecuteNullRunnable() { |
203 |
> |
public void testSubmitEE() throws InterruptedException { |
204 |
> |
ThreadPoolExecutor p = |
205 |
> |
new ThreadPoolExecutor(1, 1, |
206 |
> |
60, TimeUnit.SECONDS, |
207 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
208 |
> |
|
209 |
> |
Callable c = new Callable() { |
210 |
> |
public Object call() { return 5/0; }}; |
211 |
> |
|
212 |
|
try { |
213 |
< |
ExecutorService e = new DirectExecutorService(); |
196 |
< |
TrackedShortRunnable task = null; |
197 |
< |
Future<?> future = e.submit(task); |
213 |
> |
p.submit(c).get(); |
214 |
|
shouldThrow(); |
215 |
+ |
} catch (ExecutionException success) { |
216 |
+ |
assertTrue(success.getCause() instanceof ArithmeticException); |
217 |
|
} |
218 |
< |
catch (NullPointerException success) { |
201 |
< |
} |
202 |
< |
catch (Exception ex) { |
203 |
< |
unexpectedException(); |
204 |
< |
} |
218 |
> |
joinPool(p); |
219 |
|
} |
220 |
|
|
207 |
– |
|
221 |
|
/** |
222 |
< |
* execute of a null callable throws NPE |
222 |
> |
* invokeAny(null) throws NPE |
223 |
|
*/ |
224 |
< |
public void testExecuteNullCallable() { |
224 |
> |
public void testInvokeAny1() throws Exception { |
225 |
> |
ExecutorService e = new DirectExecutorService(); |
226 |
|
try { |
227 |
< |
ExecutorService e = new DirectExecutorService(); |
214 |
< |
StringTask t = null; |
215 |
< |
Future<String> future = e.submit(t); |
227 |
> |
e.invokeAny(null); |
228 |
|
shouldThrow(); |
229 |
+ |
} catch (NullPointerException success) { |
230 |
+ |
} finally { |
231 |
+ |
joinPool(e); |
232 |
|
} |
233 |
< |
catch (NullPointerException success) { |
233 |
> |
} |
234 |
> |
|
235 |
> |
/** |
236 |
> |
* invokeAny(empty collection) throws IAE |
237 |
> |
*/ |
238 |
> |
public void testInvokeAny2() throws Exception { |
239 |
> |
ExecutorService e = new DirectExecutorService(); |
240 |
> |
try { |
241 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
242 |
> |
shouldThrow(); |
243 |
> |
} catch (IllegalArgumentException success) { |
244 |
> |
} finally { |
245 |
> |
joinPool(e); |
246 |
|
} |
247 |
< |
catch (Exception ex) { |
248 |
< |
unexpectedException(); |
247 |
> |
} |
248 |
> |
|
249 |
> |
/** |
250 |
> |
* invokeAny(c) throws NPE if c has null elements |
251 |
> |
*/ |
252 |
> |
public void testInvokeAny3() throws Exception { |
253 |
> |
ExecutorService e = new DirectExecutorService(); |
254 |
> |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
255 |
> |
l.add(new Callable<Integer>() { |
256 |
> |
public Integer call() { return 5/0; }}); |
257 |
> |
l.add(null); |
258 |
> |
try { |
259 |
> |
e.invokeAny(l); |
260 |
> |
shouldThrow(); |
261 |
> |
} catch (NullPointerException success) { |
262 |
> |
} finally { |
263 |
> |
joinPool(e); |
264 |
|
} |
265 |
|
} |
266 |
|
|
267 |
|
/** |
268 |
< |
* invoke of a null callable throws NPE |
268 |
> |
* invokeAny(c) throws ExecutionException if no task in c completes |
269 |
|
*/ |
270 |
< |
public void testInvokeNullCallable() { |
270 |
> |
public void testInvokeAny4() throws InterruptedException { |
271 |
> |
ExecutorService e = new DirectExecutorService(); |
272 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
273 |
> |
l.add(new NPETask()); |
274 |
|
try { |
275 |
< |
ExecutorService e = new DirectExecutorService(); |
231 |
< |
StringTask t = null; |
232 |
< |
String result = e.invoke(t); |
275 |
> |
e.invokeAny(l); |
276 |
|
shouldThrow(); |
277 |
+ |
} catch (ExecutionException success) { |
278 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
279 |
+ |
} finally { |
280 |
+ |
joinPool(e); |
281 |
|
} |
282 |
< |
catch (NullPointerException success) { |
282 |
> |
} |
283 |
> |
|
284 |
> |
/** |
285 |
> |
* invokeAny(c) returns result of some task in c if at least one completes |
286 |
> |
*/ |
287 |
> |
public void testInvokeAny5() throws Exception { |
288 |
> |
ExecutorService e = new DirectExecutorService(); |
289 |
> |
try { |
290 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
291 |
> |
l.add(new StringTask()); |
292 |
> |
l.add(new StringTask()); |
293 |
> |
String result = e.invokeAny(l); |
294 |
> |
assertSame(TEST_STRING, result); |
295 |
> |
} finally { |
296 |
> |
joinPool(e); |
297 |
|
} |
298 |
< |
catch (Exception ex) { |
299 |
< |
unexpectedException(); |
298 |
> |
} |
299 |
> |
|
300 |
> |
/** |
301 |
> |
* invokeAll(null) throws NPE |
302 |
> |
*/ |
303 |
> |
public void testInvokeAll1() throws InterruptedException { |
304 |
> |
ExecutorService e = new DirectExecutorService(); |
305 |
> |
try { |
306 |
> |
e.invokeAll(null); |
307 |
> |
shouldThrow(); |
308 |
> |
} catch (NullPointerException success) { |
309 |
> |
} finally { |
310 |
> |
joinPool(e); |
311 |
|
} |
312 |
|
} |
313 |
|
|
314 |
|
/** |
315 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
244 |
< |
* if saturated. |
315 |
> |
* invokeAll(empty collection) returns empty collection |
316 |
|
*/ |
317 |
< |
public void testExecute1() { |
318 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
317 |
> |
public void testInvokeAll2() throws InterruptedException { |
318 |
> |
ExecutorService e = new DirectExecutorService(); |
319 |
|
try { |
320 |
+ |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
321 |
+ |
assertTrue(r.isEmpty()); |
322 |
+ |
} finally { |
323 |
+ |
joinPool(e); |
324 |
+ |
} |
325 |
+ |
} |
326 |
|
|
327 |
< |
for(int i = 0; i < 5; ++i){ |
328 |
< |
p.submit(new MediumRunnable()); |
329 |
< |
} |
327 |
> |
/** |
328 |
> |
* invokeAll(c) throws NPE if c has null elements |
329 |
> |
*/ |
330 |
> |
public void testInvokeAll3() throws InterruptedException { |
331 |
> |
ExecutorService e = new DirectExecutorService(); |
332 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
333 |
> |
l.add(new StringTask()); |
334 |
> |
l.add(null); |
335 |
> |
try { |
336 |
> |
e.invokeAll(l); |
337 |
|
shouldThrow(); |
338 |
< |
} catch(RejectedExecutionException success){} |
339 |
< |
joinPool(p); |
338 |
> |
} catch (NullPointerException success) { |
339 |
> |
} finally { |
340 |
> |
joinPool(e); |
341 |
> |
} |
342 |
|
} |
343 |
|
|
344 |
|
/** |
345 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
260 |
< |
* if saturated. |
345 |
> |
* get of returned element of invokeAll(c) throws exception on failed task |
346 |
|
*/ |
347 |
< |
public void testExecute2() { |
348 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
347 |
> |
public void testInvokeAll4() throws Exception { |
348 |
> |
ExecutorService e = new DirectExecutorService(); |
349 |
|
try { |
350 |
< |
for(int i = 0; i < 5; ++i) { |
351 |
< |
p.submit(new SmallCallable()); |
350 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
351 |
> |
l.add(new NPETask()); |
352 |
> |
List<Future<String>> futures = e.invokeAll(l); |
353 |
> |
assertEquals(1, futures.size()); |
354 |
> |
try { |
355 |
> |
futures.get(0).get(); |
356 |
> |
shouldThrow(); |
357 |
> |
} catch (ExecutionException success) { |
358 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
359 |
|
} |
360 |
< |
shouldThrow(); |
361 |
< |
} catch(RejectedExecutionException e){} |
362 |
< |
joinPool(p); |
360 |
> |
} finally { |
361 |
> |
joinPool(e); |
362 |
> |
} |
363 |
|
} |
364 |
|
|
365 |
+ |
/** |
366 |
+ |
* invokeAll(c) returns results of all completed tasks in c |
367 |
+ |
*/ |
368 |
+ |
public void testInvokeAll5() throws Exception { |
369 |
+ |
ExecutorService e = new DirectExecutorService(); |
370 |
+ |
try { |
371 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
372 |
+ |
l.add(new StringTask()); |
373 |
+ |
l.add(new StringTask()); |
374 |
+ |
List<Future<String>> futures = e.invokeAll(l); |
375 |
+ |
assertEquals(2, futures.size()); |
376 |
+ |
for (Future<String> future : futures) |
377 |
+ |
assertSame(TEST_STRING, future.get()); |
378 |
+ |
} finally { |
379 |
+ |
joinPool(e); |
380 |
+ |
} |
381 |
+ |
} |
382 |
|
|
383 |
|
/** |
384 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
276 |
< |
* caller interrupted. |
384 |
> |
* timed invokeAny(null) throws NPE |
385 |
|
*/ |
386 |
< |
public void testInterruptedInvoke() { |
387 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
388 |
< |
Thread t = new Thread(new Runnable() { |
389 |
< |
public void run() { |
390 |
< |
try { |
391 |
< |
p.invoke(new Callable<Object>() { |
392 |
< |
public Object call() { |
393 |
< |
try { |
394 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
395 |
< |
shouldThrow(); |
288 |
< |
} catch(InterruptedException e){ |
289 |
< |
} |
290 |
< |
return null; |
291 |
< |
} |
292 |
< |
}); |
293 |
< |
} catch(InterruptedException success){ |
294 |
< |
} catch(Exception e) { |
295 |
< |
unexpectedException(); |
296 |
< |
} |
386 |
> |
public void testTimedInvokeAny1() throws Exception { |
387 |
> |
ExecutorService e = new DirectExecutorService(); |
388 |
> |
try { |
389 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
390 |
> |
shouldThrow(); |
391 |
> |
} catch (NullPointerException success) { |
392 |
> |
} finally { |
393 |
> |
joinPool(e); |
394 |
> |
} |
395 |
> |
} |
396 |
|
|
397 |
< |
} |
398 |
< |
}); |
397 |
> |
/** |
398 |
> |
* timed invokeAny(null time unit) throws NPE |
399 |
> |
*/ |
400 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
401 |
> |
ExecutorService e = new DirectExecutorService(); |
402 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
403 |
> |
l.add(new StringTask()); |
404 |
|
try { |
405 |
< |
t.start(); |
406 |
< |
Thread.sleep(SHORT_DELAY_MS); |
407 |
< |
t.interrupt(); |
408 |
< |
} catch(Exception e){ |
409 |
< |
unexpectedException(); |
405 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
406 |
> |
shouldThrow(); |
407 |
> |
} catch (NullPointerException success) { |
408 |
> |
} finally { |
409 |
> |
joinPool(e); |
410 |
|
} |
307 |
– |
joinPool(p); |
411 |
|
} |
412 |
|
|
413 |
|
/** |
414 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
312 |
< |
* callable throws exception |
414 |
> |
* timed invokeAny(empty collection) throws IAE |
415 |
|
*/ |
416 |
< |
public void testInvoke5() { |
417 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
416 |
> |
public void testTimedInvokeAny2() throws Exception { |
417 |
> |
ExecutorService e = new DirectExecutorService(); |
418 |
> |
try { |
419 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
420 |
> |
shouldThrow(); |
421 |
> |
} catch (IllegalArgumentException success) { |
422 |
> |
} finally { |
423 |
> |
joinPool(e); |
424 |
> |
} |
425 |
> |
} |
426 |
|
|
427 |
< |
final Callable c = new Callable() { |
428 |
< |
public Object call() { |
429 |
< |
try { |
430 |
< |
p.invoke(new SmallCallable()); |
431 |
< |
shouldThrow(); |
432 |
< |
} catch(InterruptedException e){} |
433 |
< |
catch(RejectedExecutionException e2){} |
434 |
< |
catch(ExecutionException e3){} |
435 |
< |
return Boolean.TRUE; |
436 |
< |
} |
437 |
< |
}; |
427 |
> |
/** |
428 |
> |
* timed invokeAny(c) throws NPE if c has null elements |
429 |
> |
*/ |
430 |
> |
public void testTimedInvokeAny3() throws Exception { |
431 |
> |
ExecutorService e = new DirectExecutorService(); |
432 |
> |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
433 |
> |
l.add(new Callable<Integer>() { |
434 |
> |
public Integer call() { return 5/0; }}); |
435 |
> |
l.add(null); |
436 |
> |
try { |
437 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
438 |
> |
shouldThrow(); |
439 |
> |
} catch (NullPointerException success) { |
440 |
> |
} finally { |
441 |
> |
joinPool(e); |
442 |
> |
} |
443 |
> |
} |
444 |
|
|
445 |
+ |
/** |
446 |
+ |
* timed invokeAny(c) throws ExecutionException if no task completes |
447 |
+ |
*/ |
448 |
+ |
public void testTimedInvokeAny4() throws Exception { |
449 |
+ |
ExecutorService e = new DirectExecutorService(); |
450 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
451 |
+ |
l.add(new NPETask()); |
452 |
+ |
try { |
453 |
+ |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
454 |
+ |
shouldThrow(); |
455 |
+ |
} catch (ExecutionException success) { |
456 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
457 |
+ |
} finally { |
458 |
+ |
joinPool(e); |
459 |
+ |
} |
460 |
+ |
} |
461 |
|
|
462 |
+ |
/** |
463 |
+ |
* timed invokeAny(c) returns result of some task in c |
464 |
+ |
*/ |
465 |
+ |
public void testTimedInvokeAny5() throws Exception { |
466 |
+ |
ExecutorService e = new DirectExecutorService(); |
467 |
+ |
try { |
468 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
469 |
+ |
l.add(new StringTask()); |
470 |
+ |
l.add(new StringTask()); |
471 |
+ |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
472 |
+ |
assertSame(TEST_STRING, result); |
473 |
+ |
} finally { |
474 |
+ |
joinPool(e); |
475 |
+ |
} |
476 |
+ |
} |
477 |
|
|
478 |
< |
Thread t = new Thread(new Runnable() { |
479 |
< |
public void run() { |
480 |
< |
try { |
481 |
< |
c.call(); |
482 |
< |
} catch(Exception e){} |
336 |
< |
} |
337 |
< |
}); |
478 |
> |
/** |
479 |
> |
* timed invokeAll(null) throws NPE |
480 |
> |
*/ |
481 |
> |
public void testTimedInvokeAll1() throws InterruptedException { |
482 |
> |
ExecutorService e = new DirectExecutorService(); |
483 |
|
try { |
484 |
< |
t.start(); |
485 |
< |
Thread.sleep(SHORT_DELAY_MS); |
486 |
< |
t.interrupt(); |
487 |
< |
t.join(); |
488 |
< |
} catch(InterruptedException e){ |
344 |
< |
unexpectedException(); |
484 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
485 |
> |
shouldThrow(); |
486 |
> |
} catch (NullPointerException success) { |
487 |
> |
} finally { |
488 |
> |
joinPool(e); |
489 |
|
} |
490 |
+ |
} |
491 |
|
|
492 |
< |
joinPool(p); |
492 |
> |
/** |
493 |
> |
* timed invokeAll(null time unit) throws NPE |
494 |
> |
*/ |
495 |
> |
public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
496 |
> |
ExecutorService e = new DirectExecutorService(); |
497 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
498 |
> |
l.add(new StringTask()); |
499 |
> |
try { |
500 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
501 |
> |
shouldThrow(); |
502 |
> |
} catch (NullPointerException success) { |
503 |
> |
} finally { |
504 |
> |
joinPool(e); |
505 |
> |
} |
506 |
|
} |
507 |
|
|
508 |
|
/** |
509 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
352 |
< |
* if callable throws exception |
509 |
> |
* timed invokeAll(empty collection) returns empty collection |
510 |
|
*/ |
511 |
< |
public void testInvoke6() { |
512 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
511 |
> |
public void testTimedInvokeAll2() throws InterruptedException { |
512 |
> |
ExecutorService e = new DirectExecutorService(); |
513 |
> |
try { |
514 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
515 |
> |
assertTrue(r.isEmpty()); |
516 |
> |
} finally { |
517 |
> |
joinPool(e); |
518 |
> |
} |
519 |
> |
} |
520 |
|
|
521 |
+ |
/** |
522 |
+ |
* timed invokeAll(c) throws NPE if c has null elements |
523 |
+ |
*/ |
524 |
+ |
public void testTimedInvokeAll3() throws InterruptedException { |
525 |
+ |
ExecutorService e = new DirectExecutorService(); |
526 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
527 |
+ |
l.add(new StringTask()); |
528 |
+ |
l.add(null); |
529 |
|
try { |
530 |
< |
Callable c = new Callable() { |
531 |
< |
public Object call() { |
532 |
< |
int i = 5/0; |
533 |
< |
return Boolean.TRUE; |
534 |
< |
} |
535 |
< |
}; |
530 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
531 |
> |
shouldThrow(); |
532 |
> |
} catch (NullPointerException success) { |
533 |
> |
} finally { |
534 |
> |
joinPool(e); |
535 |
> |
} |
536 |
> |
} |
537 |
|
|
538 |
< |
for(int i =0; i < 5; i++){ |
539 |
< |
p.invoke(c); |
538 |
> |
/** |
539 |
> |
* get of returned element of invokeAll(c) throws exception on failed task |
540 |
> |
*/ |
541 |
> |
public void testTimedInvokeAll4() throws Exception { |
542 |
> |
ExecutorService e = new DirectExecutorService(); |
543 |
> |
try { |
544 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
545 |
> |
l.add(new NPETask()); |
546 |
> |
List<Future<String>> futures = |
547 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
548 |
> |
assertEquals(1, futures.size()); |
549 |
> |
try { |
550 |
> |
futures.get(0).get(); |
551 |
> |
shouldThrow(); |
552 |
> |
} catch (ExecutionException success) { |
553 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
554 |
|
} |
555 |
+ |
} finally { |
556 |
+ |
joinPool(e); |
557 |
+ |
} |
558 |
+ |
} |
559 |
|
|
560 |
< |
shouldThrow(); |
560 |
> |
/** |
561 |
> |
* timed invokeAll(c) returns results of all completed tasks in c |
562 |
> |
*/ |
563 |
> |
public void testTimedInvokeAll5() throws Exception { |
564 |
> |
ExecutorService e = new DirectExecutorService(); |
565 |
> |
try { |
566 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
567 |
> |
l.add(new StringTask()); |
568 |
> |
l.add(new StringTask()); |
569 |
> |
List<Future<String>> futures = |
570 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
571 |
> |
assertEquals(2, futures.size()); |
572 |
> |
for (Future<String> future : futures) |
573 |
> |
assertSame(TEST_STRING, future.get()); |
574 |
> |
} finally { |
575 |
> |
joinPool(e); |
576 |
|
} |
577 |
< |
catch(ExecutionException success){ |
578 |
< |
} catch(Exception e) { |
579 |
< |
unexpectedException(); |
577 |
> |
} |
578 |
> |
|
579 |
> |
/** |
580 |
> |
* timed invokeAll cancels tasks not completed by timeout |
581 |
> |
*/ |
582 |
> |
public void testTimedInvokeAll6() throws InterruptedException { |
583 |
> |
ExecutorService e = new DirectExecutorService(); |
584 |
> |
try { |
585 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
586 |
> |
l.add(new StringTask()); |
587 |
> |
l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING)); |
588 |
> |
l.add(new StringTask()); |
589 |
> |
List<Future<String>> futures = |
590 |
> |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
591 |
> |
assertEquals(3, futures.size()); |
592 |
> |
Iterator<Future<String>> it = futures.iterator(); |
593 |
> |
Future<String> f1 = it.next(); |
594 |
> |
Future<String> f2 = it.next(); |
595 |
> |
Future<String> f3 = it.next(); |
596 |
> |
assertTrue(f1.isDone()); |
597 |
> |
assertFalse(f1.isCancelled()); |
598 |
> |
assertTrue(f2.isDone()); |
599 |
> |
assertFalse(f2.isCancelled()); |
600 |
> |
assertTrue(f3.isDone()); |
601 |
> |
assertTrue(f3.isCancelled()); |
602 |
> |
} finally { |
603 |
> |
joinPool(e); |
604 |
|
} |
375 |
– |
joinPool(p); |
605 |
|
} |
606 |
|
|
607 |
|
} |