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tim |
1.1 |
/* |
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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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*/ |
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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.security.*; |
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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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} |
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public static Test suite() { |
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1.6 |
return new TestSuite(AbstractExecutorServiceTest.class); |
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tim |
1.1 |
} |
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/** |
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* A no-frills implementation of AbstractExecutorService, designed |
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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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1.2 |
public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; } |
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1.1 |
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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private volatile boolean shutdown = false; |
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} |
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/** |
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* execute of runnable runs it to completion |
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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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1.4 |
Future<?> future = e.submit(task); |
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1.1 |
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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} |
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/** |
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1.6 |
* completed submit of callable returns result |
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tim |
1.1 |
*/ |
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1.6 |
public void testSubmitCallable() { |
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tim |
1.1 |
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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} |
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1.6 |
/** |
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* completed submit of runnable returns successfully |
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*/ |
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public void testSubmitRunnable() { |
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try { |
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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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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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} |
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/** |
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* completed submit of (runnable, result) returns result |
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*/ |
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public void testSubmitRunnable2() { |
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try { |
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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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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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} |
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1.1 |
|
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/** |
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* submit of a privileged action runs it to completion |
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*/ |
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1.6 |
public void testSubmitPrivilegedAction() { |
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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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1.5 |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
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1.1 |
public Object run() { |
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return TEST_STRING; |
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}})); |
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tim |
1.1 |
|
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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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} |
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/** |
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* submit of a privileged exception action runs it to completion |
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tim |
1.1 |
*/ |
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dl |
1.6 |
public void testSubmitPrivilegedExceptionAction() { |
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tim |
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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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1.5 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
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1.1 |
public Object run() { |
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return TEST_STRING; |
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}})); |
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tim |
1.1 |
|
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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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} |
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/** |
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* submit of a failed privileged exception action reports exception |
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tim |
1.1 |
*/ |
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dl |
1.6 |
public void testSubmitFailedPrivilegedExceptionAction() { |
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tim |
1.1 |
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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dl |
1.5 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
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tim |
1.1 |
public Object run() throws Exception { |
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throw new IndexOutOfBoundsException(); |
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1.5 |
}})); |
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tim |
1.1 |
|
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Object result = future.get(); |
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shouldThrow(); |
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} |
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catch (ExecutionException success) { |
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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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} |
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/** |
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* execute with a null runnable throws NPE |
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*/ |
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public void testExecuteNullRunnable() { |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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TrackedShortRunnable task = null; |
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1.4 |
Future<?> future = e.submit(task); |
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tim |
1.1 |
shouldThrow(); |
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} |
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catch (NullPointerException success) { |
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} |
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catch (Exception ex) { |
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unexpectedException(); |
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} |
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} |
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/** |
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dl |
1.6 |
* submit of a null callable throws NPE |
222 |
tim |
1.1 |
*/ |
223 |
dl |
1.6 |
public void testSubmitNullCallable() { |
224 |
tim |
1.1 |
try { |
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ExecutorService e = new DirectExecutorService(); |
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StringTask t = null; |
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Future<String> future = e.submit(t); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) { |
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} |
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catch (Exception ex) { |
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unexpectedException(); |
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} |
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} |
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/** |
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dl |
1.6 |
* submit of Runnable throws RejectedExecutionException if |
239 |
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* saturated. |
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tim |
1.1 |
*/ |
241 |
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public void testExecute1() { |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
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try { |
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245 |
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for(int i = 0; i < 5; ++i){ |
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dl |
1.4 |
p.submit(new MediumRunnable()); |
247 |
tim |
1.1 |
} |
248 |
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shouldThrow(); |
249 |
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} catch(RejectedExecutionException success){} |
250 |
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joinPool(p); |
251 |
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} |
252 |
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253 |
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/** |
254 |
dl |
1.6 |
* Completed submit of Callable throws RejectedExecutionException |
255 |
tim |
1.1 |
* if saturated. |
256 |
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*/ |
257 |
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public void testExecute2() { |
258 |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
259 |
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try { |
260 |
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for(int i = 0; i < 5; ++i) { |
261 |
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p.submit(new SmallCallable()); |
262 |
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} |
263 |
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shouldThrow(); |
264 |
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} catch(RejectedExecutionException e){} |
265 |
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joinPool(p); |
266 |
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} |
267 |
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268 |
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269 |
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/** |
270 |
dl |
1.6 |
* blocking on submit of Callable throws InterruptedException if |
271 |
tim |
1.1 |
* caller interrupted. |
272 |
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*/ |
273 |
dl |
1.6 |
public void testInterruptedSubmit() { |
274 |
tim |
1.1 |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
275 |
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Thread t = new Thread(new Runnable() { |
276 |
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public void run() { |
277 |
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try { |
278 |
dl |
1.6 |
p.submit(new Callable<Object>() { |
279 |
dl |
1.4 |
public Object call() { |
280 |
tim |
1.1 |
try { |
281 |
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Thread.sleep(MEDIUM_DELAY_MS); |
282 |
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shouldThrow(); |
283 |
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} catch(InterruptedException e){ |
284 |
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} |
285 |
dl |
1.4 |
return null; |
286 |
tim |
1.1 |
} |
287 |
dl |
1.6 |
}).get(); |
288 |
tim |
1.1 |
} catch(InterruptedException success){ |
289 |
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} catch(Exception e) { |
290 |
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unexpectedException(); |
291 |
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} |
292 |
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293 |
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} |
294 |
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}); |
295 |
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try { |
296 |
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t.start(); |
297 |
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Thread.sleep(SHORT_DELAY_MS); |
298 |
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t.interrupt(); |
299 |
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} catch(Exception e){ |
300 |
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unexpectedException(); |
301 |
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} |
302 |
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joinPool(p); |
303 |
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} |
304 |
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|
305 |
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/** |
306 |
dl |
1.6 |
* get of submit of Callable throws Exception if callable |
307 |
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* interrupted |
308 |
tim |
1.1 |
*/ |
309 |
dl |
1.6 |
public void testSubmitIE() { |
310 |
tim |
1.1 |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
311 |
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312 |
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final Callable c = new Callable() { |
313 |
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public Object call() { |
314 |
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try { |
315 |
dl |
1.6 |
p.submit(new SmallCallable()).get(); |
316 |
tim |
1.1 |
shouldThrow(); |
317 |
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} catch(InterruptedException e){} |
318 |
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catch(RejectedExecutionException e2){} |
319 |
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catch(ExecutionException e3){} |
320 |
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return Boolean.TRUE; |
321 |
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} |
322 |
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}; |
323 |
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324 |
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325 |
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326 |
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Thread t = new Thread(new Runnable() { |
327 |
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public void run() { |
328 |
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try { |
329 |
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c.call(); |
330 |
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} catch(Exception e){} |
331 |
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} |
332 |
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}); |
333 |
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try { |
334 |
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t.start(); |
335 |
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Thread.sleep(SHORT_DELAY_MS); |
336 |
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t.interrupt(); |
337 |
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t.join(); |
338 |
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} catch(InterruptedException e){ |
339 |
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unexpectedException(); |
340 |
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} |
341 |
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342 |
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joinPool(p); |
343 |
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} |
344 |
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|
345 |
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/** |
346 |
dl |
1.6 |
* completed submit of Callable throws ExecutionException if |
347 |
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* callable throws exception |
348 |
tim |
1.1 |
*/ |
349 |
dl |
1.6 |
public void testSubmitEE() { |
350 |
tim |
1.1 |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
351 |
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|
352 |
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try { |
353 |
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Callable c = new Callable() { |
354 |
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public Object call() { |
355 |
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int i = 5/0; |
356 |
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return Boolean.TRUE; |
357 |
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} |
358 |
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}; |
359 |
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|
360 |
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for(int i =0; i < 5; i++){ |
361 |
dl |
1.6 |
p.submit(c).get(); |
362 |
tim |
1.1 |
} |
363 |
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|
364 |
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shouldThrow(); |
365 |
|
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} |
366 |
|
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catch(ExecutionException success){ |
367 |
|
|
} catch(Exception e) { |
368 |
|
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unexpectedException(); |
369 |
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} |
370 |
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joinPool(p); |
371 |
dl |
1.6 |
} |
372 |
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|
373 |
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/** |
374 |
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* invokeAny(null) throws NPE |
375 |
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*/ |
376 |
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public void testInvokeAny1() { |
377 |
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ExecutorService e = new DirectExecutorService(); |
378 |
|
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try { |
379 |
|
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e.invokeAny(null); |
380 |
|
|
} catch (NullPointerException success) { |
381 |
|
|
} catch(Exception ex) { |
382 |
|
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unexpectedException(); |
383 |
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} finally { |
384 |
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joinPool(e); |
385 |
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} |
386 |
|
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} |
387 |
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|
388 |
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/** |
389 |
|
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* invokeAny(empty collection) throws IAE |
390 |
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|
*/ |
391 |
|
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public void testInvokeAny2() { |
392 |
|
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ExecutorService e = new DirectExecutorService(); |
393 |
|
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try { |
394 |
|
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e.invokeAny(new ArrayList<Callable<String>>()); |
395 |
|
|
} catch (IllegalArgumentException success) { |
396 |
|
|
} catch(Exception ex) { |
397 |
|
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unexpectedException(); |
398 |
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} finally { |
399 |
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joinPool(e); |
400 |
|
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} |
401 |
|
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} |
402 |
|
|
|
403 |
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/** |
404 |
|
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* invokeAny(c) throws NPE if c has null elements |
405 |
|
|
*/ |
406 |
|
|
public void testInvokeAny3() { |
407 |
|
|
ExecutorService e = new DirectExecutorService(); |
408 |
|
|
try { |
409 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
410 |
|
|
l.add(new StringTask()); |
411 |
|
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l.add(null); |
412 |
|
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e.invokeAny(l); |
413 |
|
|
} catch (NullPointerException success) { |
414 |
|
|
} catch(Exception ex) { |
415 |
dl |
1.7 |
ex.printStackTrace(); |
416 |
dl |
1.6 |
unexpectedException(); |
417 |
|
|
} finally { |
418 |
|
|
joinPool(e); |
419 |
|
|
} |
420 |
|
|
} |
421 |
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|
|
422 |
|
|
/** |
423 |
|
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* invokeAny(c) throws ExecutionException if no task completes |
424 |
|
|
*/ |
425 |
|
|
public void testInvokeAny4() { |
426 |
|
|
ExecutorService e = new DirectExecutorService(); |
427 |
|
|
try { |
428 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
429 |
|
|
l.add(new NPETask()); |
430 |
|
|
List<Future<String>> result = e.invokeAll(l); |
431 |
|
|
assertEquals(1, result.size()); |
432 |
|
|
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
433 |
|
|
it.next().get(); |
434 |
|
|
} catch(ExecutionException success) { |
435 |
|
|
} catch(Exception ex) { |
436 |
|
|
unexpectedException(); |
437 |
|
|
} finally { |
438 |
|
|
joinPool(e); |
439 |
|
|
} |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
/** |
443 |
|
|
* invokeAny(c) returns result of some task |
444 |
|
|
*/ |
445 |
|
|
public void testInvokeAny5() { |
446 |
|
|
ExecutorService e = new DirectExecutorService(); |
447 |
|
|
try { |
448 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
449 |
|
|
l.add(new StringTask()); |
450 |
|
|
l.add(new StringTask()); |
451 |
|
|
String result = e.invokeAny(l); |
452 |
|
|
assertSame(TEST_STRING, result); |
453 |
|
|
} catch (ExecutionException success) { |
454 |
|
|
} catch(Exception ex) { |
455 |
|
|
unexpectedException(); |
456 |
|
|
} finally { |
457 |
|
|
joinPool(e); |
458 |
|
|
} |
459 |
|
|
} |
460 |
|
|
|
461 |
|
|
/** |
462 |
|
|
* invokeAll(null) throws NPE |
463 |
|
|
*/ |
464 |
|
|
public void testInvokeAll1() { |
465 |
|
|
ExecutorService e = new DirectExecutorService(); |
466 |
|
|
try { |
467 |
|
|
e.invokeAll(null); |
468 |
|
|
} catch (NullPointerException success) { |
469 |
|
|
} catch(Exception ex) { |
470 |
|
|
unexpectedException(); |
471 |
|
|
} finally { |
472 |
|
|
joinPool(e); |
473 |
|
|
} |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
/** |
477 |
|
|
* invokeAll(empty collection) returns empty collection |
478 |
|
|
*/ |
479 |
|
|
public void testInvokeAll2() { |
480 |
|
|
ExecutorService e = new DirectExecutorService(); |
481 |
|
|
try { |
482 |
|
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
483 |
|
|
assertTrue(r.isEmpty()); |
484 |
|
|
} catch(Exception ex) { |
485 |
|
|
unexpectedException(); |
486 |
|
|
} finally { |
487 |
|
|
joinPool(e); |
488 |
|
|
} |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
/** |
492 |
|
|
* invokeAll(c) throws NPE if c has null elements |
493 |
|
|
*/ |
494 |
|
|
public void testInvokeAll3() { |
495 |
|
|
ExecutorService e = new DirectExecutorService(); |
496 |
|
|
try { |
497 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
498 |
|
|
l.add(new StringTask()); |
499 |
|
|
l.add(null); |
500 |
|
|
e.invokeAll(l); |
501 |
|
|
} catch (NullPointerException success) { |
502 |
|
|
} catch(Exception ex) { |
503 |
|
|
unexpectedException(); |
504 |
|
|
} finally { |
505 |
|
|
joinPool(e); |
506 |
|
|
} |
507 |
|
|
} |
508 |
|
|
|
509 |
|
|
/** |
510 |
|
|
* get of element of invokeAll(c) throws exception on failed task |
511 |
|
|
*/ |
512 |
|
|
public void testInvokeAll4() { |
513 |
|
|
ExecutorService e = new DirectExecutorService(); |
514 |
|
|
try { |
515 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
516 |
|
|
l.add(new NPETask()); |
517 |
|
|
List<Future<String>> result = e.invokeAll(l); |
518 |
|
|
assertEquals(1, result.size()); |
519 |
|
|
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
520 |
|
|
it.next().get(); |
521 |
|
|
} catch(ExecutionException success) { |
522 |
|
|
} catch(Exception ex) { |
523 |
|
|
unexpectedException(); |
524 |
|
|
} finally { |
525 |
|
|
joinPool(e); |
526 |
|
|
} |
527 |
|
|
} |
528 |
|
|
|
529 |
|
|
/** |
530 |
|
|
* invokeAll(c) returns results of all completed tasks |
531 |
|
|
*/ |
532 |
|
|
public void testInvokeAll5() { |
533 |
|
|
ExecutorService e = new DirectExecutorService(); |
534 |
|
|
try { |
535 |
|
|
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
536 |
|
|
l.add(new StringTask()); |
537 |
|
|
l.add(new StringTask()); |
538 |
|
|
List<Future<String>> result = e.invokeAll(l); |
539 |
|
|
assertEquals(2, result.size()); |
540 |
|
|
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
541 |
|
|
assertSame(TEST_STRING, it.next().get()); |
542 |
|
|
} catch (ExecutionException success) { |
543 |
|
|
} catch(Exception ex) { |
544 |
|
|
unexpectedException(); |
545 |
|
|
} finally { |
546 |
|
|
joinPool(e); |
547 |
|
|
} |
548 |
tim |
1.1 |
} |
549 |
|
|
|
550 |
dl |
1.3 |
} |