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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/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import 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 ExecutorsTest 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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} |
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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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|
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static class DirectExecutor implements Executor { |
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public void execute(Runnable r) { |
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r.run(); |
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} |
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return new TestSuite(ExecutorsTest.class); |
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} |
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|
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static class TimedCallable<T> implements Callable<T> { |
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private final Executor exec; |
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private final ExecutorService exec; |
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private final Callable<T> func; |
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private final long msecs; |
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|
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TimedCallable(Executor exec, Callable<T> func, long msecs) { |
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TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
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this.exec = exec; |
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this.func = func; |
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this.msecs = msecs; |
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} |
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|
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public T call() throws Exception { |
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Future<T> ftask = Executors.execute(exec, func); |
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Future<T> ftask = exec.submit(func); |
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try { |
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return ftask.get(msecs, TimeUnit.MILLISECONDS); |
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} finally { |
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} |
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|
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/** |
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* A new SingleThreadExecutor cannot be casted to concrete implementation |
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*/ |
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public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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} catch (ClassCastException success) { |
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} finally { |
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joinPool(e); |
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} |
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} |
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|
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|
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/** |
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* A new newFixedThreadPool can execute runnables |
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*/ |
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public void testNewFixedThreadPool1() { |
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} |
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} |
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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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* An unconfigurable newFixedThreadPool can execute runnables |
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*/ |
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public void testExecuteRunnable() { |
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try { |
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Executor e = new DirectExecutor(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Future<String> future = Executors.execute(e, task, TEST_STRING); |
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String result = future.get(); |
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assertTrue(task.done); |
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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 testunconfigurableExecutorService() { |
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ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.shutdown(); |
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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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* unconfigurableExecutorService(null) throws NPE |
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*/ |
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public void testInvokeRunnable() { |
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public void testunconfigurableExecutorServiceNPE() { |
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try { |
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Executor e = new DirectExecutor(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Executors.invoke(e, task); |
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assertTrue(task.done); |
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ExecutorService e = Executors.unconfigurableExecutorService(null); |
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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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catch (NullPointerException success) { |
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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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* unconfigurableScheduledExecutorService(null) throws NPE |
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*/ |
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public void testExecuteCallable() { |
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public void testunconfigurableScheduledExecutorServiceNPE() { |
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try { |
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Executor e = new DirectExecutor(); |
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Future<String> future = Executors.execute(e, new StringTask()); |
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String result = future.get(); |
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assertSame(TEST_STRING, result); |
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ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
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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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catch (NullPointerException success) { |
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} |
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} |
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|
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/** |
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* invoke of a collable runs it to completion |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
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*/ |
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public void testInvokeCallable() { |
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try { |
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Executor e = new DirectExecutor(); |
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String result = Executors.invoke(e, new StringTask()); |
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|
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assertSame(TEST_STRING, result); |
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public void testNewSingleThreadScheduledExecutor() { |
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try { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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p1.shutdown(); |
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joinPool(p1); |
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} catch(RejectedExecutionException e){} |
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catch(Exception e){ |
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e.printStackTrace(); |
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unexpectedException(); |
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} |
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catch (ExecutionException ex) { |
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} |
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|
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/** |
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* a newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testnewScheduledThreadPool() { |
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try { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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p1.shutdown(); |
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joinPool(p1); |
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} catch(RejectedExecutionException e){} |
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catch(Exception e){ |
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e.printStackTrace(); |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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} |
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|
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/** |
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* an unconfigurable newScheduledThreadPool successfully runs delayed task |
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*/ |
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public void testunconfigurableScheduledExecutorService() { |
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try { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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p1.shutdown(); |
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joinPool(p1); |
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} catch(RejectedExecutionException e){} |
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catch(Exception e){ |
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e.printStackTrace(); |
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unexpectedException(); |
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} |
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} |
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|
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/** |
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* execute with null executor throws NPE |
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* timeouts from execute will time out if they compute too long. |
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*/ |
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public void testNullExecuteRunnable() { |
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public void testTimedCallable() { |
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int N = 10000; |
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ExecutorService executor = Executors.newSingleThreadExecutor(); |
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List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
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try { |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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Future<String> future = Executors.execute(null, task, TEST_STRING); |
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shouldThrow(); |
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} |
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catch (NullPointerException success) { |
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long startTime = System.currentTimeMillis(); |
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|
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long i = 0; |
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while (tasks.size() < N) { |
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tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
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i += 10; |
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} |
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|
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int iters = 0; |
308 |
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BigInteger sum = BigInteger.ZERO; |
309 |
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for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
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try { |
311 |
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++iters; |
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sum = sum.add(it.next().call()); |
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} |
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catch (TimeoutException success) { |
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assertTrue(iters > 0); |
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return; |
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} |
318 |
> |
catch (Exception e) { |
319 |
> |
unexpectedException(); |
320 |
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} |
321 |
> |
} |
322 |
> |
// if by chance we didn't ever time out, total time must be small |
323 |
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long elapsed = System.currentTimeMillis() - startTime; |
324 |
> |
assertTrue(elapsed < N); |
325 |
|
} |
326 |
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catch (Exception ex) { |
327 |
< |
unexpectedException(); |
326 |
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finally { |
327 |
> |
joinPool(executor); |
328 |
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} |
329 |
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} |
330 |
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|
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+ |
|
332 |
|
/** |
333 |
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* execute with a null runnable throws NPE |
333 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
334 |
> |
* specified group, priority, daemon status, and name |
335 |
|
*/ |
336 |
< |
public void testExecuteNullRunnable() { |
336 |
> |
public void testDefaultThreadFactory() { |
337 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
338 |
> |
Runnable r = new Runnable() { |
339 |
> |
public void run() { |
340 |
> |
try { |
341 |
> |
Thread current = Thread.currentThread(); |
342 |
> |
threadAssertTrue(!current.isDaemon()); |
343 |
> |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
344 |
> |
ThreadGroup g = current.getThreadGroup(); |
345 |
> |
SecurityManager s = System.getSecurityManager(); |
346 |
> |
if (s != null) |
347 |
> |
threadAssertTrue(g == s.getThreadGroup()); |
348 |
> |
else |
349 |
> |
threadAssertTrue(g == egroup); |
350 |
> |
String name = current.getName(); |
351 |
> |
threadAssertTrue(name.endsWith("thread-1")); |
352 |
> |
} catch (SecurityException ok) { |
353 |
> |
// Also pass if not allowed to change setting |
354 |
> |
} |
355 |
> |
} |
356 |
> |
}; |
357 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
358 |
> |
|
359 |
> |
e.execute(r); |
360 |
> |
e.shutdown(); |
361 |
|
try { |
362 |
< |
Executor e = new DirectExecutor(); |
363 |
< |
TrackedShortRunnable task = null; |
289 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
290 |
< |
shouldThrow(); |
291 |
< |
} |
292 |
< |
catch (NullPointerException success) { |
293 |
< |
} |
294 |
< |
catch (Exception ex) { |
362 |
> |
Thread.sleep(SHORT_DELAY_MS); |
363 |
> |
} catch (Exception eX) { |
364 |
|
unexpectedException(); |
365 |
+ |
} finally { |
366 |
+ |
joinPool(e); |
367 |
|
} |
368 |
|
} |
369 |
|
|
370 |
|
/** |
371 |
< |
* invoke of a null runnable throws NPE |
371 |
> |
* ThreadPoolExecutor using privilegedThreadFactory has |
372 |
> |
* specified group, priority, daemon status, name, |
373 |
> |
* access control context and context class loader |
374 |
|
*/ |
375 |
< |
public void testInvokeNullRunnable() { |
375 |
> |
public void testPrivilegedThreadFactory() { |
376 |
> |
Policy savedPolicy = Policy.getPolicy(); |
377 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
378 |
> |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
379 |
> |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
380 |
> |
Policy.setPolicy(policy); |
381 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
382 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
383 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
384 |
> |
Runnable r = new Runnable() { |
385 |
> |
public void run() { |
386 |
> |
try { |
387 |
> |
Thread current = Thread.currentThread(); |
388 |
> |
threadAssertTrue(!current.isDaemon()); |
389 |
> |
threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); |
390 |
> |
ThreadGroup g = current.getThreadGroup(); |
391 |
> |
SecurityManager s = System.getSecurityManager(); |
392 |
> |
if (s != null) |
393 |
> |
threadAssertTrue(g == s.getThreadGroup()); |
394 |
> |
else |
395 |
> |
threadAssertTrue(g == egroup); |
396 |
> |
String name = current.getName(); |
397 |
> |
threadAssertTrue(name.endsWith("thread-1")); |
398 |
> |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
399 |
> |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
400 |
> |
} catch(SecurityException ok) { |
401 |
> |
// Also pass if not allowed to change settings |
402 |
> |
} |
403 |
> |
}; |
404 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
405 |
> |
|
406 |
> |
Policy.setPolicy(savedPolicy); |
407 |
> |
e.execute(r); |
408 |
> |
e.shutdown(); |
409 |
|
try { |
410 |
< |
Executor e = new DirectExecutor(); |
411 |
< |
TrackedShortRunnable task = null; |
306 |
< |
Executors.invoke(e, task); |
307 |
< |
shouldThrow(); |
308 |
< |
} |
309 |
< |
catch (NullPointerException success) { |
310 |
< |
} |
311 |
< |
catch (Exception ex) { |
410 |
> |
Thread.sleep(SHORT_DELAY_MS); |
411 |
> |
} catch (Exception ex) { |
412 |
|
unexpectedException(); |
413 |
+ |
} finally { |
414 |
+ |
joinPool(e); |
415 |
+ |
} |
416 |
+ |
|
417 |
+ |
} |
418 |
+ |
|
419 |
+ |
static class CheckCCL implements Callable<Object> { |
420 |
+ |
public Object call() { |
421 |
+ |
AccessControlContext acc = AccessController.getContext(); |
422 |
+ |
acc.checkPermission(new RuntimePermission("getContextClassLoader")); |
423 |
+ |
return null; |
424 |
|
} |
425 |
|
} |
426 |
|
|
427 |
+ |
|
428 |
|
/** |
429 |
< |
* execute of a null callable throws NPE |
429 |
> |
* Without class loader permissions, creating |
430 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
431 |
|
*/ |
432 |
< |
public void testExecuteNullCallable() { |
432 |
> |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
433 |
> |
Policy savedPolicy = Policy.getPolicy(); |
434 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
435 |
> |
Policy.setPolicy(policy); |
436 |
|
try { |
437 |
< |
Executor e = new DirectExecutor(); |
322 |
< |
StringTask t = null; |
323 |
< |
Future<String> future = Executors.execute(e, t); |
437 |
> |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
438 |
|
shouldThrow(); |
439 |
< |
} |
440 |
< |
catch (NullPointerException success) { |
327 |
< |
} |
328 |
< |
catch (Exception ex) { |
439 |
> |
} catch(AccessControlException success) { |
440 |
> |
} catch(Exception ex) { |
441 |
|
unexpectedException(); |
442 |
+ |
} |
443 |
+ |
finally { |
444 |
+ |
Policy.setPolicy(savedPolicy); |
445 |
|
} |
446 |
|
} |
447 |
|
|
448 |
|
/** |
449 |
< |
* invoke of a null callable throws NPE |
449 |
> |
* Without class loader permissions, calling |
450 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
451 |
|
*/ |
452 |
< |
public void testInvokeNullCallable() { |
452 |
> |
public void testprivilegedCallableUsingCCLWithPrivs() { |
453 |
> |
Policy savedPolicy = Policy.getPolicy(); |
454 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
455 |
> |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
456 |
> |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
457 |
> |
Policy.setPolicy(policy); |
458 |
|
try { |
459 |
< |
Executor e = new DirectExecutor(); |
460 |
< |
StringTask t = null; |
461 |
< |
String result = Executors.invoke(e, t); |
341 |
< |
shouldThrow(); |
342 |
< |
} |
343 |
< |
catch (NullPointerException success) { |
344 |
< |
} |
345 |
< |
catch (Exception ex) { |
459 |
> |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
460 |
> |
task.call(); |
461 |
> |
} catch(Exception ex) { |
462 |
|
unexpectedException(); |
463 |
+ |
} |
464 |
+ |
finally { |
465 |
+ |
Policy.setPolicy(savedPolicy); |
466 |
|
} |
467 |
|
} |
468 |
|
|
469 |
|
/** |
470 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
352 |
< |
* if saturated. |
470 |
> |
* Without permissions, calling privilegedCallable throws ACE |
471 |
|
*/ |
472 |
< |
public void testExecute1() { |
473 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
472 |
> |
public void testprivilegedCallableWithNoPrivs() { |
473 |
> |
Policy savedPolicy = Policy.getPolicy(); |
474 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
475 |
> |
Policy.setPolicy(policy); |
476 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
477 |
> |
Policy.setPolicy(savedPolicy); |
478 |
|
try { |
479 |
< |
|
358 |
< |
for(int i = 0; i < 5; ++i){ |
359 |
< |
Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
360 |
< |
} |
479 |
> |
task.call(); |
480 |
|
shouldThrow(); |
481 |
< |
} catch(RejectedExecutionException success){} |
482 |
< |
joinPool(p); |
481 |
> |
} catch(AccessControlException success) { |
482 |
> |
} catch(Exception ex) { |
483 |
> |
unexpectedException(); |
484 |
> |
} finally { |
485 |
> |
} |
486 |
|
} |
487 |
|
|
488 |
|
/** |
489 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
368 |
< |
* if saturated. |
489 |
> |
* With permissions, calling privilegedCallable succeeds |
490 |
|
*/ |
491 |
< |
public void testExecute2() { |
492 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
491 |
> |
public void testprivilegedCallableWithPrivs() { |
492 |
> |
Policy savedPolicy = Policy.getPolicy(); |
493 |
> |
AdjustablePolicy policy = new AdjustablePolicy(); |
494 |
> |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
495 |
> |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
496 |
> |
Policy.setPolicy(policy); |
497 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
498 |
|
try { |
499 |
< |
for(int i = 0; i < 5; ++i) { |
500 |
< |
Executors.execute(p, new SmallCallable()); |
501 |
< |
} |
502 |
< |
shouldThrow(); |
503 |
< |
} catch(RejectedExecutionException e){} |
504 |
< |
joinPool(p); |
499 |
> |
task.call(); |
500 |
> |
} catch(Exception ex) { |
501 |
> |
unexpectedException(); |
502 |
> |
} finally { |
503 |
> |
Policy.setPolicy(savedPolicy); |
504 |
> |
} |
505 |
|
} |
506 |
|
|
381 |
– |
|
507 |
|
/** |
508 |
< |
* invoke(Executor, Runnable) throws InterruptedException if |
509 |
< |
* caller interrupted. |
510 |
< |
*/ |
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 |
< |
Executors.invoke(p,new Runnable() { |
392 |
< |
public void run() { |
393 |
< |
try { |
394 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
395 |
< |
shouldThrow(); |
396 |
< |
} catch(InterruptedException e){ |
397 |
< |
} |
398 |
< |
} |
399 |
< |
}); |
400 |
< |
} catch(InterruptedException success){ |
401 |
< |
} catch(Exception e) { |
402 |
< |
unexpectedException(); |
403 |
< |
} |
404 |
< |
|
405 |
< |
} |
406 |
< |
}); |
508 |
> |
* callable(Runnable) returns null when called |
509 |
> |
*/ |
510 |
> |
public void testCallable1() { |
511 |
|
try { |
512 |
< |
t.start(); |
513 |
< |
Thread.sleep(SHORT_DELAY_MS); |
514 |
< |
t.interrupt(); |
411 |
< |
} catch(Exception e){ |
512 |
> |
Callable c = Executors.callable(new NoOpRunnable()); |
513 |
> |
assertNull(c.call()); |
514 |
> |
} catch(Exception ex) { |
515 |
|
unexpectedException(); |
516 |
|
} |
517 |
< |
joinPool(p); |
517 |
> |
|
518 |
|
} |
519 |
|
|
520 |
|
/** |
521 |
< |
* invoke(Executor, Runnable) throws ExecutionException if |
522 |
< |
* runnable throws exception. |
523 |
< |
*/ |
421 |
< |
public void testInvoke3() { |
422 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
521 |
> |
* callable(Runnable, result) returns result when called |
522 |
> |
*/ |
523 |
> |
public void testCallable2() { |
524 |
|
try { |
525 |
< |
Runnable r = new Runnable() { |
526 |
< |
public void run() { |
527 |
< |
int i = 5/0; |
427 |
< |
} |
428 |
< |
}; |
429 |
< |
|
430 |
< |
for(int i =0; i < 5; i++){ |
431 |
< |
Executors.invoke(p,r); |
432 |
< |
} |
433 |
< |
|
434 |
< |
shouldThrow(); |
435 |
< |
} catch(ExecutionException success){ |
436 |
< |
} catch(Exception e){ |
525 |
> |
Callable c = Executors.callable(new NoOpRunnable(), one); |
526 |
> |
assertEquals(one, c.call()); |
527 |
> |
} catch(Exception ex) { |
528 |
|
unexpectedException(); |
529 |
|
} |
439 |
– |
joinPool(p); |
530 |
|
} |
531 |
|
|
442 |
– |
|
443 |
– |
|
532 |
|
/** |
533 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
534 |
< |
* callable throws exception |
535 |
< |
*/ |
448 |
< |
public void testInvoke5() { |
449 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
450 |
< |
|
451 |
< |
final Callable c = new Callable() { |
452 |
< |
public Object call() { |
453 |
< |
try { |
454 |
< |
Executors.invoke(p, new SmallCallable()); |
455 |
< |
shouldThrow(); |
456 |
< |
} catch(InterruptedException e){} |
457 |
< |
catch(RejectedExecutionException e2){} |
458 |
< |
catch(ExecutionException e3){} |
459 |
< |
return Boolean.TRUE; |
460 |
< |
} |
461 |
< |
}; |
462 |
< |
|
463 |
< |
|
464 |
< |
|
465 |
< |
Thread t = new Thread(new Runnable() { |
466 |
< |
public void run() { |
467 |
< |
try { |
468 |
< |
c.call(); |
469 |
< |
} catch(Exception e){} |
470 |
< |
} |
471 |
< |
}); |
533 |
> |
* callable(PrivilegedAction) returns its result when called |
534 |
> |
*/ |
535 |
> |
public void testCallable3() { |
536 |
|
try { |
537 |
< |
t.start(); |
538 |
< |
Thread.sleep(SHORT_DELAY_MS); |
539 |
< |
t.interrupt(); |
540 |
< |
t.join(); |
477 |
< |
} catch(InterruptedException e){ |
537 |
> |
Callable c = Executors.callable(new PrivilegedAction() { |
538 |
> |
public Object run() { return one; }}); |
539 |
> |
assertEquals(one, c.call()); |
540 |
> |
} catch(Exception ex) { |
541 |
|
unexpectedException(); |
542 |
|
} |
480 |
– |
|
481 |
– |
joinPool(p); |
543 |
|
} |
544 |
|
|
545 |
|
/** |
546 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
547 |
< |
* if callable throws exception |
548 |
< |
*/ |
488 |
< |
public void testInvoke6() { |
489 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
490 |
< |
|
546 |
> |
* callable(PrivilegedExceptionAction) returns its result when called |
547 |
> |
*/ |
548 |
> |
public void testCallable4() { |
549 |
|
try { |
550 |
< |
Callable c = new Callable() { |
551 |
< |
public Object call() { |
552 |
< |
int i = 5/0; |
553 |
< |
return Boolean.TRUE; |
496 |
< |
} |
497 |
< |
}; |
498 |
< |
|
499 |
< |
for(int i =0; i < 5; i++){ |
500 |
< |
Executors.invoke(p,c); |
501 |
< |
} |
502 |
< |
|
503 |
< |
shouldThrow(); |
504 |
< |
} |
505 |
< |
catch(ExecutionException success){ |
506 |
< |
} catch(Exception e) { |
550 |
> |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
551 |
> |
public Object run() { return one; }}); |
552 |
> |
assertEquals(one, c.call()); |
553 |
> |
} catch(Exception ex) { |
554 |
|
unexpectedException(); |
555 |
|
} |
509 |
– |
joinPool(p); |
556 |
|
} |
557 |
|
|
558 |
|
|
559 |
+ |
/** |
560 |
+ |
* callable(null Runnable) throws NPE |
561 |
+ |
*/ |
562 |
+ |
public void testCallableNPE1() { |
563 |
+ |
try { |
564 |
+ |
Runnable r = null; |
565 |
+ |
Callable c = Executors.callable(r); |
566 |
+ |
} catch (NullPointerException success) { |
567 |
+ |
} |
568 |
+ |
} |
569 |
|
|
570 |
|
/** |
571 |
< |
* timeouts from execute will time out if they compute too long. |
572 |
< |
*/ |
573 |
< |
public void testTimedCallable() { |
518 |
< |
int N = 10000; |
519 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
520 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
571 |
> |
* callable(null, result) throws NPE |
572 |
> |
*/ |
573 |
> |
public void testCallableNPE2() { |
574 |
|
try { |
575 |
< |
long startTime = System.currentTimeMillis(); |
576 |
< |
|
577 |
< |
long i = 0; |
525 |
< |
while (tasks.size() < N) { |
526 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
527 |
< |
i += 10; |
528 |
< |
} |
529 |
< |
|
530 |
< |
int iters = 0; |
531 |
< |
BigInteger sum = BigInteger.ZERO; |
532 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
533 |
< |
try { |
534 |
< |
++iters; |
535 |
< |
sum = sum.add(it.next().call()); |
536 |
< |
} |
537 |
< |
catch (TimeoutException success) { |
538 |
< |
assertTrue(iters > 0); |
539 |
< |
return; |
540 |
< |
} |
541 |
< |
catch (Exception e) { |
542 |
< |
unexpectedException(); |
543 |
< |
} |
544 |
< |
} |
545 |
< |
// if by chance we didn't ever time out, total time must be small |
546 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
547 |
< |
assertTrue(elapsed < N); |
575 |
> |
Runnable r = null; |
576 |
> |
Callable c = Executors.callable(r, one); |
577 |
> |
} catch (NullPointerException success) { |
578 |
|
} |
579 |
< |
finally { |
580 |
< |
joinPool(executor); |
579 |
> |
} |
580 |
> |
|
581 |
> |
/** |
582 |
> |
* callable(null PrivilegedAction) throws NPE |
583 |
> |
*/ |
584 |
> |
public void testCallableNPE3() { |
585 |
> |
try { |
586 |
> |
PrivilegedAction r = null; |
587 |
> |
Callable c = Executors.callable(r); |
588 |
> |
} catch (NullPointerException success) { |
589 |
|
} |
590 |
|
} |
591 |
|
|
592 |
< |
|
592 |
> |
/** |
593 |
> |
* callable(null PrivilegedExceptionAction) throws NPE |
594 |
> |
*/ |
595 |
> |
public void testCallableNPE4() { |
596 |
> |
try { |
597 |
> |
PrivilegedExceptionAction r = null; |
598 |
> |
Callable c = Executors.callable(r); |
599 |
> |
} catch (NullPointerException success) { |
600 |
> |
} |
601 |
> |
} |
602 |
|
|
603 |
|
|
604 |
|
} |