--- jsr166/src/test/tck/ExecutorsTest.java 2003/09/20 18:20:07 1.4 +++ jsr166/src/test/tck/ExecutorsTest.java 2003/12/10 01:51:12 1.10 @@ -10,48 +10,29 @@ import junit.framework.*; import java.util.*; import java.util.concurrent.*; import java.math.BigInteger; +import java.security.*; public class ExecutorsTest extends JSR166TestCase{ - public static void main(String[] args) { - junit.textui.TestRunner.run (suite()); + junit.textui.TestRunner.run (suite()); } public static Test suite() { - return new TestSuite(ExecutorsTest.class); - } - - private static final String TEST_STRING = "a test string"; - - private static class MyTask implements Runnable { - public void run() { completed = true; } - public boolean isCompleted() { return completed; } - public void reset() { completed = false; } - private boolean completed = false; - } - - private static class StringTask implements Callable { - public String call() { return TEST_STRING; } - } - - static class DirectExecutor implements Executor { - public void execute(Runnable r) { - r.run(); - } + return new TestSuite(ExecutorsTest.class); } static class TimedCallable implements Callable { - private final Executor exec; + private final ExecutorService exec; private final Callable func; private final long msecs; - TimedCallable(Executor exec, Callable func, long msecs) { + TimedCallable(ExecutorService exec, Callable func, long msecs) { this.exec = exec; this.func = func; this.msecs = msecs; } public T call() throws Exception { - Future ftask = Executors.execute(exec, func); + Future ftask = exec.submit(func); try { return ftask.get(msecs, TimeUnit.MILLISECONDS); } finally { @@ -79,255 +60,122 @@ public class ExecutorsTest extends JSR16 } }; - - /** - * execute(Executor, Runnable) will throw - * RejectedExecutionException Attempting to execute a runnable on - * a full ThreadPool will cause such an exception here, up to 5 - * runnables are attempted on a pool capable on handling one - * until it throws an exception + * A newCachedThreadPool can execute runnables */ - public void testExecute1() { - ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1)); - try { - - for(int i = 0; i < 5; ++i){ - Executors.execute(p, new MediumRunnable(), Boolean.TRUE); - } - shouldThrow(); - } catch(RejectedExecutionException success){} - joinPool(p); + public void testNewCachedThreadPool1() { + ExecutorService e = Executors.newCachedThreadPool(); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } /** - * execute(Executor, Callable) will throw - * RejectedExecutionException Attempting to execute a callable on - * a full ThreadPool will cause such an exception here, up to 5 - * runnables are attempted on a pool capable on handling one - * until it throws an exception + * A newCachedThreadPool with given ThreadFactory can execute runnables */ - public void testExecute2() { - ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1)); - try { - for(int i = 0; i < 5; ++i) { - Executors.execute(p, new SmallCallable()); - } - shouldThrow(); - } catch(RejectedExecutionException e){} - joinPool(p); + public void testNewCachedThreadPool2() { + ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } - /** - * invoke(Executor, Runnable) throws InterruptedException - * A single use of invoke starts that will wait long enough - * for the invoking thread to be interrupted + * A newCachedThreadPool with null ThreadFactory throws NPE */ - public void testInvoke2() { - final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); - Thread t = new Thread(new Runnable() { - public void run() { - try { - Executors.invoke(p,new Runnable() { - public void run() { - try { - Thread.sleep(MEDIUM_DELAY_MS); - shouldThrow(); - } catch(InterruptedException e){ - } - } - }); - } catch(InterruptedException success){ - } catch(Exception e) { - unexpectedException(); - } - - } - }); + public void testNewCachedThreadPool3() { try { - t.start(); - Thread.sleep(SHORT_DELAY_MS); - t.interrupt(); - } catch(Exception e){ - unexpectedException(); + ExecutorService e = Executors.newCachedThreadPool(null); + shouldThrow(); + } + catch(NullPointerException success) { } - joinPool(p); } + /** - * invoke(Executor, Runnable) will throw - * ExecutionException An ExecutionException occurs when the - * underlying Runnable throws an exception, here the - * DivideByZeroException will cause an ExecutionException + * A new SingleThreadExecutor can execute runnables */ - public void testInvoke3() { - ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); - try { - Runnable r = new Runnable() { - public void run() { - int i = 5/0; - } - }; - - for(int i =0; i < 5; i++){ - Executors.invoke(p,r); - } - - shouldThrow(); - } catch(ExecutionException success){ - } catch(Exception e){ - unexpectedException(); - } - joinPool(p); + public void testNewSingleThreadExecutor1() { + ExecutorService e = Executors.newSingleThreadExecutor(); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } - - /** - * invoke(Executor, Callable) throws - * InterruptedException A single use of invoke starts that will - * wait long enough for the invoking thread to be interrupted + * A new SingleThreadExecutor with given ThreadFactory can execute runnables */ - public void testInvoke5() { - final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); - - final Callable c = new Callable() { - public Object call() { - try { - Executors.invoke(p, new SmallCallable()); - shouldThrow(); - } catch(InterruptedException e){} - catch(RejectedExecutionException e2){} - catch(ExecutionException e3){} - return Boolean.TRUE; - } - }; - - - - Thread t = new Thread(new Runnable() { - public void run() { - try { - c.call(); - } catch(Exception e){} - } - }); - try { - t.start(); - Thread.sleep(SHORT_DELAY_MS); - t.interrupt(); - t.join(); - } catch(InterruptedException e){ - unexpectedException(); - } - - joinPool(p); + public void testNewSingleThreadExecutor2() { + ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } /** - * invoke(Executor, Callable) will throw ExecutionException - * An ExecutionException occurs when the underlying Runnable throws - * an exception, here the DivideByZeroException will cause an ExecutionException + * A new SingleThreadExecutor with null ThreadFactory throws NPE */ - public void testInvoke6() { - ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); - + public void testNewSingleThreadExecutor3() { try { - Callable c = new Callable() { - public Object call() { - int i = 5/0; - return Boolean.TRUE; - } - }; - - for(int i =0; i < 5; i++){ - Executors.invoke(p,c); - } - + ExecutorService e = Executors.newSingleThreadExecutor(null); shouldThrow(); - } catch(RejectedExecutionException e){} - catch(InterruptedException e2){} - catch(ExecutionException e3){} - joinPool(p); + } + catch(NullPointerException success) { + } } /** - * + * A new newFixedThreadPool can execute runnables */ - public void testExecuteRunnable () { - try { - Executor e = new DirectExecutor(); - MyTask task = new MyTask(); - assertFalse(task.isCompleted()); - Future future = Executors.execute(e, task, TEST_STRING); - String result = future.get(); - assertTrue(task.isCompleted()); - assertSame(TEST_STRING, result); - } - catch (ExecutionException ex) { - unexpectedException(); - } - catch (InterruptedException ex) { - unexpectedException(); - } + public void testNewFixedThreadPool1() { + ExecutorService e = Executors.newFixedThreadPool(2); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } /** - * + * A new newFixedThreadPool with given ThreadFactory can execute runnables */ - public void testInvokeRunnable () { - try { - Executor e = new DirectExecutor(); - MyTask task = new MyTask(); - assertFalse(task.isCompleted()); - Executors.invoke(e, task); - assertTrue(task.isCompleted()); - } - catch (ExecutionException ex) { - unexpectedException(); - } - catch (InterruptedException ex) { - unexpectedException(); - } + public void testNewFixedThreadPool2() { + ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.execute(new NoOpRunnable()); + e.shutdown(); } /** - * + * A new newFixedThreadPool with null ThreadFactory throws NPE */ - public void testExecuteCallable () { + public void testNewFixedThreadPool3() { try { - Executor e = new DirectExecutor(); - Future future = Executors.execute(e, new StringTask()); - String result = future.get(); - assertSame(TEST_STRING, result); - } - catch (ExecutionException ex) { - unexpectedException(); + ExecutorService e = Executors.newFixedThreadPool(2, null); + shouldThrow(); } - catch (InterruptedException ex) { - unexpectedException(); + catch(NullPointerException success) { } } /** - * + * A new newFixedThreadPool with 0 threads throws IAE */ - public void testInvokeCallable () { + public void testNewFixedThreadPool4() { try { - Executor e = new DirectExecutor(); - String result = Executors.invoke(e, new StringTask()); - - assertSame(TEST_STRING, result); - } - catch (ExecutionException ex) { - unexpectedException(); + ExecutorService e = Executors.newFixedThreadPool(0); + shouldThrow(); } - catch (InterruptedException ex) { - unexpectedException(); + catch(IllegalArgumentException success) { } } + /** * timeouts from execute will time out if they compute too long. */ @@ -369,6 +217,84 @@ public class ExecutorsTest extends JSR16 } + /** + * ThreadPoolExecutor using defaultThreadFactory has + * specified group, priority, daemon status, and name + */ + public void testDefaultThreadFactory() { + final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); + Runnable r = new Runnable() { + public void run() { + Thread current = Thread.currentThread(); + threadAssertTrue(!current.isDaemon()); + threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); + ThreadGroup g = current.getThreadGroup(); + SecurityManager s = System.getSecurityManager(); + if (s != null) + threadAssertTrue(g == s.getThreadGroup()); + else + threadAssertTrue(g == egroup); + String name = current.getName(); + threadAssertTrue(name.endsWith("thread-1")); + } + }; + ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); + + e.execute(r); + e.shutdown(); + try { + Thread.sleep(SHORT_DELAY_MS); + } catch (Exception eX) { + unexpectedException(); + } finally { + joinPool(e); + } + } + /** + * ThreadPoolExecutor using privilegedThreadFactory has + * specified group, priority, daemon status, name, + * access control context and context class loader + */ + public void testPrivilegedThreadFactory() { + Policy savedPolicy = Policy.getPolicy(); + AdjustablePolicy policy = new AdjustablePolicy(); + policy.addPermission(new RuntimePermission("getContextClassLoader")); + policy.addPermission(new RuntimePermission("setContextClassLoader")); + Policy.setPolicy(policy); + final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); + final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); + final AccessControlContext thisacc = AccessController.getContext(); + Runnable r = new Runnable() { + public void run() { + Thread current = Thread.currentThread(); + threadAssertTrue(!current.isDaemon()); + threadAssertTrue(current.getPriority() == Thread.NORM_PRIORITY); + ThreadGroup g = current.getThreadGroup(); + SecurityManager s = System.getSecurityManager(); + if (s != null) + threadAssertTrue(g == s.getThreadGroup()); + else + threadAssertTrue(g == egroup); + String name = current.getName(); + threadAssertTrue(name.endsWith("thread-1")); + threadAssertTrue(thisccl == current.getContextClassLoader()); + threadAssertTrue(thisacc.equals(AccessController.getContext())); + } + }; + ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); + + Policy.setPolicy(savedPolicy); + e.execute(r); + e.shutdown(); + try { + Thread.sleep(SHORT_DELAY_MS); + } catch (Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + + } }