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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 java.math.BigInteger; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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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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final AtomicBoolean done = new AtomicBoolean(false); |
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Future<?> future = e.submit(new CheckedRunnable() { |
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public void realRun() { |
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done.set(true); |
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}}); |
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assertNull(future.get()); |
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assertNull(future.get(0, MILLISECONDS)); |
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assertTrue(done.get()); |
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assertTrue(future.isDone()); |
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assertFalse(future.isCancelled()); |
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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, null); |
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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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/** |
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* invoke of a runnable runs it to completion |
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* Completed submit(runnable) returns successfully |
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*/ |
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public void testInvokeRunnable() { |
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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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e.invoke(task); |
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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 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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/** |
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* execute of a callable runs it to completion |
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* Completed submit(runnable, result) returns result |
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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 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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/** |
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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(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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|
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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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} |
108 |
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catch (InterruptedException ex) { |
124 |
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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")); |
139 |
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Policy.setPolicy(policy); |
140 |
< |
try { |
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ExecutorService e = new DirectExecutorService(); |
142 |
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Future future = e.submit(new PrivilegedExceptionAction() { |
114 |
> |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
115 |
> |
Runnable r = new CheckedRunnable() { |
116 |
> |
public void realRun() throws Exception { |
117 |
> |
ExecutorService e = new DirectExecutorService(); |
118 |
> |
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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|
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Object result = future.get(); |
124 |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
151 |
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unexpectedException(); |
152 |
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} |
153 |
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catch (InterruptedException ex) { |
154 |
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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()); |
124 |
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}}; |
125 |
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|
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runWithPermissions(r); |
127 |
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} |
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|
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/** |
130 |
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* execute of a failed privileged exception action reports exception |
130 |
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* A submitted failed privileged exception action reports exception |
131 |
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*/ |
132 |
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public void testExecuteFailedPrivilegedExceptionAction() { |
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Policy savedPolicy = Policy.getPolicy(); |
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AdjustablePolicy policy = new AdjustablePolicy(); |
135 |
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policy.addPermission(new RuntimePermission("getContextClassLoader")); |
136 |
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policy.addPermission(new RuntimePermission("setContextClassLoader")); |
169 |
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Policy.setPolicy(policy); |
170 |
< |
try { |
171 |
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ExecutorService e = new DirectExecutorService(); |
172 |
< |
Future future = e.submit(new PrivilegedExceptionAction() { |
132 |
> |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
133 |
> |
Runnable r = new CheckedRunnable() { |
134 |
> |
public void realRun() throws Exception { |
135 |
> |
ExecutorService e = new DirectExecutorService(); |
136 |
> |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
137 |
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public Object run() throws Exception { |
138 |
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throw new IndexOutOfBoundsException(); |
139 |
< |
}}); |
139 |
> |
}})); |
140 |
> |
|
141 |
> |
try { |
142 |
> |
future.get(); |
143 |
> |
shouldThrow(); |
144 |
> |
} catch (ExecutionException success) { |
145 |
> |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
146 |
> |
}}}; |
147 |
> |
|
148 |
> |
runWithPermissions(r); |
149 |
> |
} |
150 |
|
|
151 |
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Object result = future.get(); |
151 |
> |
/** |
152 |
> |
* execute(null runnable) throws NPE |
153 |
> |
*/ |
154 |
> |
public void testExecuteNullRunnable() { |
155 |
> |
try { |
156 |
> |
ExecutorService e = new DirectExecutorService(); |
157 |
> |
e.submit((Runnable) null); |
158 |
|
shouldThrow(); |
159 |
< |
} |
180 |
< |
catch (ExecutionException success) { |
181 |
< |
} |
182 |
< |
catch (InterruptedException ex) { |
183 |
< |
unexpectedException(); |
184 |
< |
} |
185 |
< |
finally { |
186 |
< |
Policy.setPolicy(savedPolicy); |
187 |
< |
} |
159 |
> |
} catch (NullPointerException success) {} |
160 |
|
} |
161 |
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|
162 |
|
/** |
163 |
< |
* invoke of a collable runs it to completion |
163 |
> |
* submit(null callable) throws NPE |
164 |
|
*/ |
165 |
< |
public void testInvokeCallable() { |
165 |
> |
public void testSubmitNullCallable() { |
166 |
|
try { |
167 |
|
ExecutorService e = new DirectExecutorService(); |
168 |
< |
String result = e.invoke(new StringTask()); |
168 |
> |
e.submit((Callable) null); |
169 |
> |
shouldThrow(); |
170 |
> |
} catch (NullPointerException success) {} |
171 |
> |
} |
172 |
|
|
173 |
< |
assertSame(TEST_STRING, result); |
174 |
< |
} |
175 |
< |
catch (ExecutionException ex) { |
176 |
< |
unexpectedException(); |
177 |
< |
} |
178 |
< |
catch (InterruptedException ex) { |
179 |
< |
unexpectedException(); |
173 |
> |
/** |
174 |
> |
* submit(callable).get() throws InterruptedException if interrupted |
175 |
> |
*/ |
176 |
> |
public void testInterruptedSubmit() throws InterruptedException { |
177 |
> |
final CountDownLatch submitted = new CountDownLatch(1); |
178 |
> |
final CountDownLatch quittingTime = new CountDownLatch(1); |
179 |
> |
final ExecutorService p |
180 |
> |
= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
181 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
182 |
> |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
183 |
> |
public Void realCall() throws InterruptedException { |
184 |
> |
quittingTime.await(); |
185 |
> |
return null; |
186 |
> |
}}; |
187 |
> |
try { |
188 |
> |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
189 |
> |
public void realRun() throws Exception { |
190 |
> |
Future<Void> future = p.submit(awaiter); |
191 |
> |
submitted.countDown(); |
192 |
> |
future.get(); |
193 |
> |
}}); |
194 |
> |
t.start(); |
195 |
> |
submitted.await(); |
196 |
> |
t.interrupt(); |
197 |
> |
t.join(); |
198 |
> |
} finally { |
199 |
> |
quittingTime.countDown(); |
200 |
> |
joinPool(p); |
201 |
|
} |
202 |
|
} |
203 |
|
|
204 |
|
/** |
205 |
< |
* execute with a null runnable throws NPE |
205 |
> |
* get of submit(callable) throws ExecutionException if callable |
206 |
> |
* throws exception |
207 |
|
*/ |
208 |
< |
public void testExecuteNullRunnable() { |
208 |
> |
public void testSubmitEE() throws InterruptedException { |
209 |
> |
ThreadPoolExecutor p = |
210 |
> |
new ThreadPoolExecutor(1, 1, |
211 |
> |
60, TimeUnit.SECONDS, |
212 |
> |
new ArrayBlockingQueue<Runnable>(10)); |
213 |
> |
|
214 |
> |
Callable c = new Callable() { |
215 |
> |
public Object call() { throw new ArithmeticException(); }}; |
216 |
> |
|
217 |
|
try { |
218 |
< |
ExecutorService e = new DirectExecutorService(); |
214 |
< |
TrackedShortRunnable task = null; |
215 |
< |
Future<?> future = e.submit(task, null); |
218 |
> |
p.submit(c).get(); |
219 |
|
shouldThrow(); |
220 |
+ |
} catch (ExecutionException success) { |
221 |
+ |
assertTrue(success.getCause() instanceof ArithmeticException); |
222 |
|
} |
223 |
< |
catch (NullPointerException success) { |
219 |
< |
} |
220 |
< |
catch (Exception ex) { |
221 |
< |
unexpectedException(); |
222 |
< |
} |
223 |
> |
joinPool(p); |
224 |
|
} |
225 |
|
|
226 |
|
/** |
227 |
< |
* invoke of a null runnable throws NPE |
227 |
> |
* invokeAny(null) throws NPE |
228 |
|
*/ |
229 |
< |
public void testInvokeNullRunnable() { |
229 |
> |
public void testInvokeAny1() throws Exception { |
230 |
> |
ExecutorService e = new DirectExecutorService(); |
231 |
|
try { |
232 |
< |
ExecutorService e = new DirectExecutorService(); |
231 |
< |
TrackedShortRunnable task = null; |
232 |
< |
e.invoke(task); |
232 |
> |
e.invokeAny(null); |
233 |
|
shouldThrow(); |
234 |
< |
} |
235 |
< |
catch (NullPointerException success) { |
236 |
< |
} |
237 |
< |
catch (Exception ex) { |
238 |
< |
unexpectedException(); |
234 |
> |
} catch (NullPointerException success) { |
235 |
> |
} finally { |
236 |
> |
joinPool(e); |
237 |
|
} |
238 |
|
} |
239 |
|
|
240 |
|
/** |
241 |
< |
* execute of a null callable throws NPE |
241 |
> |
* invokeAny(empty collection) throws IAE |
242 |
|
*/ |
243 |
< |
public void testExecuteNullCallable() { |
243 |
> |
public void testInvokeAny2() throws Exception { |
244 |
> |
ExecutorService e = new DirectExecutorService(); |
245 |
|
try { |
246 |
< |
ExecutorService e = new DirectExecutorService(); |
248 |
< |
StringTask t = null; |
249 |
< |
Future<String> future = e.submit(t); |
246 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
247 |
|
shouldThrow(); |
248 |
+ |
} catch (IllegalArgumentException success) { |
249 |
+ |
} finally { |
250 |
+ |
joinPool(e); |
251 |
|
} |
252 |
< |
catch (NullPointerException success) { |
253 |
< |
} |
254 |
< |
catch (Exception ex) { |
255 |
< |
unexpectedException(); |
252 |
> |
} |
253 |
> |
|
254 |
> |
/** |
255 |
> |
* invokeAny(c) throws NPE if c has null elements |
256 |
> |
*/ |
257 |
> |
public void testInvokeAny3() throws Exception { |
258 |
> |
ExecutorService e = new DirectExecutorService(); |
259 |
> |
List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
260 |
> |
l.add(new Callable<Long>() { |
261 |
> |
public Long call() { throw new ArithmeticException(); }}); |
262 |
> |
l.add(null); |
263 |
> |
try { |
264 |
> |
e.invokeAny(l); |
265 |
> |
shouldThrow(); |
266 |
> |
} catch (NullPointerException success) { |
267 |
> |
} finally { |
268 |
> |
joinPool(e); |
269 |
|
} |
270 |
|
} |
271 |
|
|
272 |
|
/** |
273 |
< |
* invoke of a null callable throws NPE |
273 |
> |
* invokeAny(c) throws ExecutionException if no task in c completes |
274 |
|
*/ |
275 |
< |
public void testInvokeNullCallable() { |
275 |
> |
public void testInvokeAny4() throws InterruptedException { |
276 |
> |
ExecutorService e = new DirectExecutorService(); |
277 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
278 |
> |
l.add(new NPETask()); |
279 |
|
try { |
280 |
< |
ExecutorService e = new DirectExecutorService(); |
265 |
< |
StringTask t = null; |
266 |
< |
String result = e.invoke(t); |
280 |
> |
e.invokeAny(l); |
281 |
|
shouldThrow(); |
282 |
+ |
} catch (ExecutionException success) { |
283 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
284 |
+ |
} finally { |
285 |
+ |
joinPool(e); |
286 |
|
} |
287 |
< |
catch (NullPointerException success) { |
287 |
> |
} |
288 |
> |
|
289 |
> |
/** |
290 |
> |
* invokeAny(c) returns result of some task in c if at least one completes |
291 |
> |
*/ |
292 |
> |
public void testInvokeAny5() throws Exception { |
293 |
> |
ExecutorService e = new DirectExecutorService(); |
294 |
> |
try { |
295 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
296 |
> |
l.add(new StringTask()); |
297 |
> |
l.add(new StringTask()); |
298 |
> |
String result = e.invokeAny(l); |
299 |
> |
assertSame(TEST_STRING, result); |
300 |
> |
} finally { |
301 |
> |
joinPool(e); |
302 |
|
} |
303 |
< |
catch (Exception ex) { |
304 |
< |
unexpectedException(); |
303 |
> |
} |
304 |
> |
|
305 |
> |
/** |
306 |
> |
* invokeAll(null) throws NPE |
307 |
> |
*/ |
308 |
> |
public void testInvokeAll1() throws InterruptedException { |
309 |
> |
ExecutorService e = new DirectExecutorService(); |
310 |
> |
try { |
311 |
> |
e.invokeAll(null); |
312 |
> |
shouldThrow(); |
313 |
> |
} catch (NullPointerException success) { |
314 |
> |
} finally { |
315 |
> |
joinPool(e); |
316 |
|
} |
317 |
|
} |
318 |
|
|
319 |
|
/** |
320 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
278 |
< |
* if saturated. |
320 |
> |
* invokeAll(empty collection) returns empty collection |
321 |
|
*/ |
322 |
< |
public void testExecute1() { |
323 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
322 |
> |
public void testInvokeAll2() throws InterruptedException { |
323 |
> |
ExecutorService e = new DirectExecutorService(); |
324 |
|
try { |
325 |
+ |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
326 |
+ |
assertTrue(r.isEmpty()); |
327 |
+ |
} finally { |
328 |
+ |
joinPool(e); |
329 |
+ |
} |
330 |
+ |
} |
331 |
|
|
332 |
< |
for(int i = 0; i < 5; ++i){ |
333 |
< |
p.submit(new MediumRunnable(), null); |
334 |
< |
} |
332 |
> |
/** |
333 |
> |
* invokeAll(c) throws NPE if c has null elements |
334 |
> |
*/ |
335 |
> |
public void testInvokeAll3() throws InterruptedException { |
336 |
> |
ExecutorService e = new DirectExecutorService(); |
337 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
338 |
> |
l.add(new StringTask()); |
339 |
> |
l.add(null); |
340 |
> |
try { |
341 |
> |
e.invokeAll(l); |
342 |
|
shouldThrow(); |
343 |
< |
} catch(RejectedExecutionException success){} |
344 |
< |
joinPool(p); |
343 |
> |
} catch (NullPointerException success) { |
344 |
> |
} finally { |
345 |
> |
joinPool(e); |
346 |
> |
} |
347 |
|
} |
348 |
|
|
349 |
|
/** |
350 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
294 |
< |
* if saturated. |
350 |
> |
* get of returned element of invokeAll(c) throws exception on failed task |
351 |
|
*/ |
352 |
< |
public void testExecute2() { |
353 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
352 |
> |
public void testInvokeAll4() throws Exception { |
353 |
> |
ExecutorService e = new DirectExecutorService(); |
354 |
|
try { |
355 |
< |
for(int i = 0; i < 5; ++i) { |
356 |
< |
p.submit(new SmallCallable()); |
355 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
356 |
> |
l.add(new NPETask()); |
357 |
> |
List<Future<String>> futures = e.invokeAll(l); |
358 |
> |
assertEquals(1, futures.size()); |
359 |
> |
try { |
360 |
> |
futures.get(0).get(); |
361 |
> |
shouldThrow(); |
362 |
> |
} catch (ExecutionException success) { |
363 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
364 |
|
} |
365 |
< |
shouldThrow(); |
366 |
< |
} catch(RejectedExecutionException e){} |
367 |
< |
joinPool(p); |
365 |
> |
} finally { |
366 |
> |
joinPool(e); |
367 |
> |
} |
368 |
|
} |
369 |
|
|
307 |
– |
|
370 |
|
/** |
371 |
< |
* invoke(Executor, Runnable) throws InterruptedException if |
310 |
< |
* caller interrupted. |
371 |
> |
* invokeAll(c) returns results of all completed tasks in c |
372 |
|
*/ |
373 |
< |
public void testInterruptedInvoke() { |
374 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
314 |
< |
Thread t = new Thread(new Runnable() { |
315 |
< |
public void run() { |
316 |
< |
try { |
317 |
< |
p.invoke(new Runnable() { |
318 |
< |
public void run() { |
319 |
< |
try { |
320 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
321 |
< |
shouldThrow(); |
322 |
< |
} catch(InterruptedException e){ |
323 |
< |
} |
324 |
< |
} |
325 |
< |
}); |
326 |
< |
} catch(InterruptedException success){ |
327 |
< |
} catch(Exception e) { |
328 |
< |
unexpectedException(); |
329 |
< |
} |
330 |
< |
|
331 |
< |
} |
332 |
< |
}); |
373 |
> |
public void testInvokeAll5() throws Exception { |
374 |
> |
ExecutorService e = new DirectExecutorService(); |
375 |
|
try { |
376 |
< |
t.start(); |
377 |
< |
Thread.sleep(SHORT_DELAY_MS); |
378 |
< |
t.interrupt(); |
379 |
< |
} catch(Exception e){ |
380 |
< |
unexpectedException(); |
376 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
377 |
> |
l.add(new StringTask()); |
378 |
> |
l.add(new StringTask()); |
379 |
> |
List<Future<String>> futures = e.invokeAll(l); |
380 |
> |
assertEquals(2, futures.size()); |
381 |
> |
for (Future<String> future : futures) |
382 |
> |
assertSame(TEST_STRING, future.get()); |
383 |
> |
} finally { |
384 |
> |
joinPool(e); |
385 |
|
} |
340 |
– |
joinPool(p); |
386 |
|
} |
387 |
|
|
388 |
|
/** |
389 |
< |
* invoke(Executor, Runnable) throws ExecutionException if |
345 |
< |
* runnable throws exception. |
389 |
> |
* timed invokeAny(null) throws NPE |
390 |
|
*/ |
391 |
< |
public void testInvoke3() { |
392 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
391 |
> |
public void testTimedInvokeAny1() throws Exception { |
392 |
> |
ExecutorService e = new DirectExecutorService(); |
393 |
|
try { |
394 |
< |
Runnable r = new Runnable() { |
351 |
< |
public void run() { |
352 |
< |
int i = 5/0; |
353 |
< |
} |
354 |
< |
}; |
355 |
< |
|
356 |
< |
for(int i =0; i < 5; i++){ |
357 |
< |
p.invoke(r); |
358 |
< |
} |
359 |
< |
|
394 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
395 |
|
shouldThrow(); |
396 |
< |
} catch(ExecutionException success){ |
397 |
< |
} catch(Exception e){ |
398 |
< |
unexpectedException(); |
396 |
> |
} catch (NullPointerException success) { |
397 |
> |
} finally { |
398 |
> |
joinPool(e); |
399 |
|
} |
365 |
– |
joinPool(p); |
400 |
|
} |
401 |
|
|
402 |
< |
|
402 |
> |
/** |
403 |
> |
* timed invokeAny(null time unit) throws NPE |
404 |
> |
*/ |
405 |
> |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
406 |
> |
ExecutorService e = new DirectExecutorService(); |
407 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
408 |
> |
l.add(new StringTask()); |
409 |
> |
try { |
410 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
411 |
> |
shouldThrow(); |
412 |
> |
} catch (NullPointerException success) { |
413 |
> |
} finally { |
414 |
> |
joinPool(e); |
415 |
> |
} |
416 |
> |
} |
417 |
|
|
418 |
|
/** |
419 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
372 |
< |
* callable throws exception |
419 |
> |
* timed invokeAny(empty collection) throws IAE |
420 |
|
*/ |
421 |
< |
public void testInvoke5() { |
422 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
421 |
> |
public void testTimedInvokeAny2() throws Exception { |
422 |
> |
ExecutorService e = new DirectExecutorService(); |
423 |
> |
try { |
424 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
425 |
> |
shouldThrow(); |
426 |
> |
} catch (IllegalArgumentException success) { |
427 |
> |
} finally { |
428 |
> |
joinPool(e); |
429 |
> |
} |
430 |
> |
} |
431 |
|
|
432 |
< |
final Callable c = new Callable() { |
433 |
< |
public Object call() { |
434 |
< |
try { |
435 |
< |
p.invoke(new SmallCallable()); |
436 |
< |
shouldThrow(); |
437 |
< |
} catch(InterruptedException e){} |
438 |
< |
catch(RejectedExecutionException e2){} |
439 |
< |
catch(ExecutionException e3){} |
440 |
< |
return Boolean.TRUE; |
441 |
< |
} |
442 |
< |
}; |
432 |
> |
/** |
433 |
> |
* timed invokeAny(c) throws NPE if c has null elements |
434 |
> |
*/ |
435 |
> |
public void testTimedInvokeAny3() throws Exception { |
436 |
> |
ExecutorService e = new DirectExecutorService(); |
437 |
> |
List<Callable<Long>> l = new ArrayList<Callable<Long>>(); |
438 |
> |
l.add(new Callable<Long>() { |
439 |
> |
public Long call() { throw new ArithmeticException(); }}); |
440 |
> |
l.add(null); |
441 |
> |
try { |
442 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
443 |
> |
shouldThrow(); |
444 |
> |
} catch (NullPointerException success) { |
445 |
> |
} finally { |
446 |
> |
joinPool(e); |
447 |
> |
} |
448 |
> |
} |
449 |
|
|
450 |
+ |
/** |
451 |
+ |
* timed invokeAny(c) throws ExecutionException if no task completes |
452 |
+ |
*/ |
453 |
+ |
public void testTimedInvokeAny4() throws Exception { |
454 |
+ |
ExecutorService e = new DirectExecutorService(); |
455 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
456 |
+ |
l.add(new NPETask()); |
457 |
+ |
try { |
458 |
+ |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
459 |
+ |
shouldThrow(); |
460 |
+ |
} catch (ExecutionException success) { |
461 |
+ |
assertTrue(success.getCause() instanceof NullPointerException); |
462 |
+ |
} finally { |
463 |
+ |
joinPool(e); |
464 |
+ |
} |
465 |
+ |
} |
466 |
|
|
467 |
+ |
/** |
468 |
+ |
* timed invokeAny(c) returns result of some task in c |
469 |
+ |
*/ |
470 |
+ |
public void testTimedInvokeAny5() throws Exception { |
471 |
+ |
ExecutorService e = new DirectExecutorService(); |
472 |
+ |
try { |
473 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
474 |
+ |
l.add(new StringTask()); |
475 |
+ |
l.add(new StringTask()); |
476 |
+ |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
477 |
+ |
assertSame(TEST_STRING, result); |
478 |
+ |
} finally { |
479 |
+ |
joinPool(e); |
480 |
+ |
} |
481 |
+ |
} |
482 |
|
|
483 |
< |
Thread t = new Thread(new Runnable() { |
484 |
< |
public void run() { |
485 |
< |
try { |
486 |
< |
c.call(); |
487 |
< |
} catch(Exception e){} |
396 |
< |
} |
397 |
< |
}); |
483 |
> |
/** |
484 |
> |
* timed invokeAll(null) throws NPE |
485 |
> |
*/ |
486 |
> |
public void testTimedInvokeAll1() throws InterruptedException { |
487 |
> |
ExecutorService e = new DirectExecutorService(); |
488 |
|
try { |
489 |
< |
t.start(); |
490 |
< |
Thread.sleep(SHORT_DELAY_MS); |
491 |
< |
t.interrupt(); |
492 |
< |
t.join(); |
493 |
< |
} catch(InterruptedException e){ |
404 |
< |
unexpectedException(); |
489 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
490 |
> |
shouldThrow(); |
491 |
> |
} catch (NullPointerException success) { |
492 |
> |
} finally { |
493 |
> |
joinPool(e); |
494 |
|
} |
495 |
+ |
} |
496 |
|
|
497 |
< |
joinPool(p); |
497 |
> |
/** |
498 |
> |
* timed invokeAll(null time unit) throws NPE |
499 |
> |
*/ |
500 |
> |
public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
501 |
> |
ExecutorService e = new DirectExecutorService(); |
502 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
503 |
> |
l.add(new StringTask()); |
504 |
> |
try { |
505 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
506 |
> |
shouldThrow(); |
507 |
> |
} catch (NullPointerException success) { |
508 |
> |
} finally { |
509 |
> |
joinPool(e); |
510 |
> |
} |
511 |
|
} |
512 |
|
|
513 |
|
/** |
514 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
412 |
< |
* if callable throws exception |
514 |
> |
* timed invokeAll(empty collection) returns empty collection |
515 |
|
*/ |
516 |
< |
public void testInvoke6() { |
517 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
516 |
> |
public void testTimedInvokeAll2() throws InterruptedException { |
517 |
> |
ExecutorService e = new DirectExecutorService(); |
518 |
> |
try { |
519 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
520 |
> |
assertTrue(r.isEmpty()); |
521 |
> |
} finally { |
522 |
> |
joinPool(e); |
523 |
> |
} |
524 |
> |
} |
525 |
|
|
526 |
+ |
/** |
527 |
+ |
* timed invokeAll(c) throws NPE if c has null elements |
528 |
+ |
*/ |
529 |
+ |
public void testTimedInvokeAll3() throws InterruptedException { |
530 |
+ |
ExecutorService e = new DirectExecutorService(); |
531 |
+ |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
532 |
+ |
l.add(new StringTask()); |
533 |
+ |
l.add(null); |
534 |
|
try { |
535 |
< |
Callable c = new Callable() { |
536 |
< |
public Object call() { |
537 |
< |
int i = 5/0; |
538 |
< |
return Boolean.TRUE; |
539 |
< |
} |
540 |
< |
}; |
535 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
536 |
> |
shouldThrow(); |
537 |
> |
} catch (NullPointerException success) { |
538 |
> |
} finally { |
539 |
> |
joinPool(e); |
540 |
> |
} |
541 |
> |
} |
542 |
|
|
543 |
< |
for(int i =0; i < 5; i++){ |
544 |
< |
p.invoke(c); |
543 |
> |
/** |
544 |
> |
* get of returned element of invokeAll(c) throws exception on failed task |
545 |
> |
*/ |
546 |
> |
public void testTimedInvokeAll4() throws Exception { |
547 |
> |
ExecutorService e = new DirectExecutorService(); |
548 |
> |
try { |
549 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
550 |
> |
l.add(new NPETask()); |
551 |
> |
List<Future<String>> futures = |
552 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
553 |
> |
assertEquals(1, futures.size()); |
554 |
> |
try { |
555 |
> |
futures.get(0).get(); |
556 |
> |
shouldThrow(); |
557 |
> |
} catch (ExecutionException success) { |
558 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
559 |
|
} |
560 |
+ |
} finally { |
561 |
+ |
joinPool(e); |
562 |
+ |
} |
563 |
+ |
} |
564 |
|
|
565 |
< |
shouldThrow(); |
565 |
> |
/** |
566 |
> |
* timed invokeAll(c) returns results of all completed tasks in c |
567 |
> |
*/ |
568 |
> |
public void testTimedInvokeAll5() throws Exception { |
569 |
> |
ExecutorService e = new DirectExecutorService(); |
570 |
> |
try { |
571 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
572 |
> |
l.add(new StringTask()); |
573 |
> |
l.add(new StringTask()); |
574 |
> |
List<Future<String>> futures = |
575 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
576 |
> |
assertEquals(2, futures.size()); |
577 |
> |
for (Future<String> future : futures) |
578 |
> |
assertSame(TEST_STRING, future.get()); |
579 |
> |
} finally { |
580 |
> |
joinPool(e); |
581 |
|
} |
582 |
< |
catch(ExecutionException success){ |
583 |
< |
} catch(Exception e) { |
584 |
< |
unexpectedException(); |
582 |
> |
} |
583 |
> |
|
584 |
> |
/** |
585 |
> |
* timed invokeAll cancels tasks not completed by timeout |
586 |
> |
*/ |
587 |
> |
public void testTimedInvokeAll6() throws InterruptedException { |
588 |
> |
ExecutorService e = new DirectExecutorService(); |
589 |
> |
try { |
590 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
591 |
> |
l.add(new StringTask()); |
592 |
> |
l.add(Executors.callable(possiblyInterruptedRunnable(2 * SHORT_DELAY_MS), TEST_STRING)); |
593 |
> |
l.add(new StringTask()); |
594 |
> |
List<Future<String>> futures = |
595 |
> |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
596 |
> |
assertEquals(l.size(), futures.size()); |
597 |
> |
for (Future future : futures) |
598 |
> |
assertTrue(future.isDone()); |
599 |
> |
assertFalse(futures.get(0).isCancelled()); |
600 |
> |
assertFalse(futures.get(1).isCancelled()); |
601 |
> |
assertTrue(futures.get(2).isCancelled()); |
602 |
> |
} finally { |
603 |
> |
joinPool(e); |
604 |
|
} |
435 |
– |
joinPool(p); |
605 |
|
} |
606 |
|
|
607 |
|
} |