--- jsr166/src/test/tck/ThreadPoolExecutorTest.java 2003/09/26 15:33:14 1.7 +++ jsr166/src/test/tck/ThreadPoolExecutorTest.java 2009/11/02 20:28:32 1.24 @@ -1,28 +1,56 @@ /* - * Written by members of JCP JSR-166 Expert Group and released to the - * public domain. Use, modify, and redistribute this code in any way - * without acknowledgement. Other contributors include Andrew Wright, - * Jeffrey Hayes, Pat Fischer, Mike Judd. + * Written by Doug Lea with assistance from members of JCP JSR-166 + * Expert Group and released to the public domain, as explained at + * http://creativecommons.org/licenses/publicdomain + * Other contributors include Andrew Wright, Jeffrey Hayes, + * Pat Fisher, Mike Judd. */ import java.util.concurrent.*; +import java.util.concurrent.atomic.*; import junit.framework.*; -import java.util.List; +import java.util.*; public class ThreadPoolExecutorTest 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(ThreadPoolExecutorTest.class); } - + + static class ExtendedTPE extends ThreadPoolExecutor { + volatile boolean beforeCalled = false; + volatile boolean afterCalled = false; + volatile boolean terminatedCalled = false; + public ExtendedTPE() { + super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue()); + } + protected void beforeExecute(Thread t, Runnable r) { + beforeCalled = true; + } + protected void afterExecute(Runnable r, Throwable t) { + afterCalled = true; + } + protected void terminated() { + terminatedCalled = true; + } + } + + static class FailingThreadFactory implements ThreadFactory{ + int calls = 0; + public Thread newThread(Runnable r){ + if (++calls > 1) return null; + return new Thread(r); + } + } + /** - * execute successfully executes a runnable + * execute successfully executes a runnable */ public void testExecute() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); try { p1.execute(new Runnable() { public void run() { @@ -36,7 +64,7 @@ public class ThreadPoolExecutorTest exte Thread.sleep(SMALL_DELAY_MS); } catch(InterruptedException e){ unexpectedException(); - } + } joinPool(p1); } @@ -45,7 +73,7 @@ public class ThreadPoolExecutorTest exte * thread becomes active */ public void testGetActiveCount() { - ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertEquals(0, p2.getActiveCount()); p2.execute(new MediumRunnable()); try { @@ -56,34 +84,62 @@ public class ThreadPoolExecutorTest exte assertEquals(1, p2.getActiveCount()); joinPool(p2); } - + + /** + * prestartCoreThread starts a thread if under corePoolSize, else doesn't + */ + public void testPrestartCoreThread() { + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + assertEquals(0, p2.getPoolSize()); + assertTrue(p2.prestartCoreThread()); + assertEquals(1, p2.getPoolSize()); + assertTrue(p2.prestartCoreThread()); + assertEquals(2, p2.getPoolSize()); + assertFalse(p2.prestartCoreThread()); + assertEquals(2, p2.getPoolSize()); + joinPool(p2); + } + + /** + * prestartAllCoreThreads starts all corePoolSize threads + */ + public void testPrestartAllCoreThreads() { + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + assertEquals(0, p2.getPoolSize()); + p2.prestartAllCoreThreads(); + assertEquals(2, p2.getPoolSize()); + p2.prestartAllCoreThreads(); + assertEquals(2, p2.getPoolSize()); + joinPool(p2); + } + /** * getCompletedTaskCount increases, but doesn't overestimate, * when tasks complete */ public void testGetCompletedTaskCount() { - ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertEquals(0, p2.getCompletedTaskCount()); p2.execute(new ShortRunnable()); try { - Thread.sleep(MEDIUM_DELAY_MS); + Thread.sleep(SMALL_DELAY_MS); } catch(Exception e){ unexpectedException(); } assertEquals(1, p2.getCompletedTaskCount()); - p2.shutdown(); + try { p2.shutdown(); } catch(SecurityException ok) { return; } joinPool(p2); } - + /** * getCorePoolSize returns size given in constructor if not otherwise set */ public void testGetCorePoolSize() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertEquals(1, p1.getCorePoolSize()); joinPool(p1); } - + /** * getKeepAliveTime returns value given in constructor if not otherwise set */ @@ -92,13 +148,88 @@ public class ThreadPoolExecutorTest exte assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS)); joinPool(p2); } - + + + /** + * getThreadFactory returns factory in constructor if not set + */ + public void testGetThreadFactory() { + ThreadFactory tf = new SimpleThreadFactory(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10), tf, new NoOpREHandler()); + assertSame(tf, p.getThreadFactory()); + joinPool(p); + } + + /** + * setThreadFactory sets the thread factory returned by getThreadFactory + */ + public void testSetThreadFactory() { + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadFactory tf = new SimpleThreadFactory(); + p.setThreadFactory(tf); + assertSame(tf, p.getThreadFactory()); + joinPool(p); + } + + + /** + * setThreadFactory(null) throws NPE + */ + public void testSetThreadFactoryNull() { + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + p.setThreadFactory(null); + shouldThrow(); + } catch (NullPointerException success) { + } finally { + joinPool(p); + } + } + + /** + * getRejectedExecutionHandler returns handler in constructor if not set + */ + public void testGetRejectedExecutionHandler() { + RejectedExecutionHandler h = new NoOpREHandler(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10), h); + assertSame(h, p.getRejectedExecutionHandler()); + joinPool(p); + } + + /** + * setRejectedExecutionHandler sets the handler returned by + * getRejectedExecutionHandler + */ + public void testSetRejectedExecutionHandler() { + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + RejectedExecutionHandler h = new NoOpREHandler(); + p.setRejectedExecutionHandler(h); + assertSame(h, p.getRejectedExecutionHandler()); + joinPool(p); + } + + + /** + * setRejectedExecutionHandler(null) throws NPE + */ + public void testSetRejectedExecutionHandlerNull() { + ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + p.setRejectedExecutionHandler(null); + shouldThrow(); + } catch (NullPointerException success) { + } finally { + joinPool(p); + } + } + + /** * getLargestPoolSize increases, but doesn't overestimate, when * multiple threads active */ public void testGetLargestPoolSize() { - ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); try { assertEquals(0, p2.getLargestPoolSize()); p2.execute(new MediumRunnable()); @@ -107,37 +238,37 @@ public class ThreadPoolExecutorTest exte assertEquals(2, p2.getLargestPoolSize()); } catch(Exception e){ unexpectedException(); - } + } joinPool(p2); } - + /** * getMaximumPoolSize returns value given in constructor if not * otherwise set */ public void testGetMaximumPoolSize() { - ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertEquals(2, p2.getMaximumPoolSize()); joinPool(p2); } - + /** * getPoolSize increases, but doesn't overestimate, when threads * become active */ public void testGetPoolSize() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertEquals(0, p1.getPoolSize()); p1.execute(new MediumRunnable()); assertEquals(1, p1.getPoolSize()); joinPool(p1); } - + /** - * getTaskCount increases, but doesn't overestimate, when tasks submitted + * getTaskCount increases, but doesn't overestimate, when tasks submitted */ public void testGetTaskCount() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); try { assertEquals(0, p1.getTaskCount()); p1.execute(new MediumRunnable()); @@ -145,53 +276,53 @@ public class ThreadPoolExecutorTest exte assertEquals(1, p1.getTaskCount()); } catch(Exception e){ unexpectedException(); - } + } joinPool(p1); } - + /** * isShutDown is false before shutdown, true after */ public void testIsShutdown() { - - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertFalse(p1.isShutdown()); - p1.shutdown(); + try { p1.shutdown(); } catch(SecurityException ok) { return; } assertTrue(p1.isShutdown()); joinPool(p1); } - + /** * isTerminated is false before termination, true after */ public void testIsTerminated() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertFalse(p1.isTerminated()); try { p1.execute(new MediumRunnable()); } finally { - p1.shutdown(); + try { p1.shutdown(); } catch(SecurityException ok) { return; } } try { assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); assertTrue(p1.isTerminated()); } catch(Exception e){ unexpectedException(); - } + } } /** * isTerminating is not true when running or when terminated */ public void testIsTerminating() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); assertFalse(p1.isTerminating()); try { p1.execute(new SmallRunnable()); assertFalse(p1.isTerminating()); } finally { - p1.shutdown(); + try { p1.shutdown(); } catch(SecurityException ok) { return; } } try { assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); @@ -199,17 +330,73 @@ public class ThreadPoolExecutorTest exte assertFalse(p1.isTerminating()); } catch(Exception e){ unexpectedException(); - } + } + } + + /** + * getQueue returns the work queue, which contains queued tasks + */ + public void testGetQueue() { + BlockingQueue q = new ArrayBlockingQueue(10); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q); + FutureTask[] tasks = new FutureTask[5]; + for(int i = 0; i < 5; i++){ + tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); + p1.execute(tasks[i]); + } + try { + Thread.sleep(SHORT_DELAY_MS); + BlockingQueue wq = p1.getQueue(); + assertSame(q, wq); + assertFalse(wq.contains(tasks[0])); + assertTrue(wq.contains(tasks[4])); + for (int i = 1; i < 5; ++i) + tasks[i].cancel(true); + p1.shutdownNow(); + } catch(Exception e) { + unexpectedException(); + } finally { + joinPool(p1); + } + } + + /** + * remove(task) removes queued task, and fails to remove active task + */ + public void testRemove() { + BlockingQueue q = new ArrayBlockingQueue(10); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q); + FutureTask[] tasks = new FutureTask[5]; + for(int i = 0; i < 5; i++){ + tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); + p1.execute(tasks[i]); + } + try { + Thread.sleep(SHORT_DELAY_MS); + assertFalse(p1.remove(tasks[0])); + assertTrue(q.contains(tasks[4])); + assertTrue(q.contains(tasks[3])); + assertTrue(p1.remove(tasks[4])); + assertFalse(p1.remove(tasks[4])); + assertFalse(q.contains(tasks[4])); + assertTrue(q.contains(tasks[3])); + assertTrue(p1.remove(tasks[3])); + assertFalse(q.contains(tasks[3])); + } catch(Exception e) { + unexpectedException(); + } finally { + joinPool(p1); + } } /** * purge removes cancelled tasks from the queue */ public void testPurge() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); - CancellableTask[] tasks = new CancellableTask[5]; + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + FutureTask[] tasks = new FutureTask[5]; for(int i = 0; i < 5; i++){ - tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable()); + tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); p1.execute(tasks[i]); } tasks[4].cancel(true); @@ -224,24 +411,27 @@ public class ThreadPoolExecutorTest exte * shutDownNow returns a list containing tasks that were not run */ public void testShutDownNow() { - ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); List l; try { for(int i = 0; i < 5; i++) p1.execute(new MediumPossiblyInterruptedRunnable()); } finally { - l = p1.shutdownNow(); + try { + l = p1.shutdownNow(); + } catch (SecurityException ok) { return; } + } assertTrue(p1.isShutdown()); assertTrue(l.size() <= 4); } // Exception Tests - - /** - * Constructor throws if corePoolSize argument is less than zero + + /** + * Constructor throws if corePoolSize argument is less than zero */ public void testConstructor1() { try { @@ -250,9 +440,9 @@ public class ThreadPoolExecutorTest exte } catch (IllegalArgumentException success){} } - - /** - * Constructor throws if maximumPoolSize is less than zero + + /** + * Constructor throws if maximumPoolSize is less than zero */ public void testConstructor2() { try { @@ -261,9 +451,9 @@ public class ThreadPoolExecutorTest exte } catch (IllegalArgumentException success){} } - - /** - * Constructor throws if maximumPoolSize is equal to zero + + /** + * Constructor throws if maximumPoolSize is equal to zero */ public void testConstructor3() { try { @@ -273,8 +463,8 @@ public class ThreadPoolExecutorTest exte catch (IllegalArgumentException success){} } - /** - * Constructor throws if keepAliveTime is less than zero + /** + * Constructor throws if keepAliveTime is less than zero */ public void testConstructor4() { try { @@ -284,8 +474,8 @@ public class ThreadPoolExecutorTest exte catch (IllegalArgumentException success){} } - /** - * Constructor throws if corePoolSize is greater than the maximumPoolSize + /** + * Constructor throws if corePoolSize is greater than the maximumPoolSize */ public void testConstructor5() { try { @@ -294,22 +484,22 @@ public class ThreadPoolExecutorTest exte } catch (IllegalArgumentException success){} } - - /** - * Constructor throws if workQueue is set to null + + /** + * Constructor throws if workQueue is set to null */ - public void testNullPointerException() { + public void testConstructorNullPointerException() { try { - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - - - /** - * Constructor throws if corePoolSize argument is less than zero + + + /** + * Constructor throws if corePoolSize argument is less than zero */ public void testConstructor6() { try { @@ -317,31 +507,31 @@ public class ThreadPoolExecutorTest exte shouldThrow(); } catch (IllegalArgumentException success){} } - - /** - * Constructor throws if maximumPoolSize is less than zero + + /** + * Constructor throws if maximumPoolSize is less than zero */ public void testConstructor7() { try { - new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); + new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if maximumPoolSize is equal to zero + /** + * Constructor throws if maximumPoolSize is equal to zero */ public void testConstructor8() { try { - new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); + new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if keepAliveTime is less than zero + /** + * Constructor throws if keepAliveTime is less than zero */ public void testConstructor9() { try { @@ -351,76 +541,76 @@ public class ThreadPoolExecutorTest exte catch (IllegalArgumentException success){} } - /** - * Constructor throws if corePoolSize is greater than the maximumPoolSize + /** + * Constructor throws if corePoolSize is greater than the maximumPoolSize */ public void testConstructor10() { try { - new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); + new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if workQueue is set to null + /** + * Constructor throws if workQueue is set to null */ - public void testNullPointerException2() { + public void testConstructorNullPointerException2() { try { - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory()); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory()); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - /** - * Constructor throws if threadFactory is set to null + /** + * Constructor throws if threadFactory is set to null */ - public void testNullPointerException3() { + public void testConstructorNullPointerException3() { try { ThreadFactory f = null; - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),f); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),f); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - - - /** - * Constructor throws if corePoolSize argument is less than zero + + + /** + * Constructor throws if corePoolSize argument is less than zero */ public void testConstructor11() { try { - new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); + new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if maximumPoolSize is less than zero + /** + * Constructor throws if maximumPoolSize is less than zero */ public void testConstructor12() { try { - new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); + new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if maximumPoolSize is equal to zero + /** + * Constructor throws if maximumPoolSize is equal to zero */ public void testConstructor13() { try { - new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); + new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if keepAliveTime is less than zero + /** + * Constructor throws if keepAliveTime is less than zero */ public void testConstructor14() { try { @@ -430,76 +620,76 @@ public class ThreadPoolExecutorTest exte catch (IllegalArgumentException success){} } - /** - * Constructor throws if corePoolSize is greater than the maximumPoolSize + /** + * Constructor throws if corePoolSize is greater than the maximumPoolSize */ public void testConstructor15() { try { - new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); + new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if workQueue is set to null + /** + * Constructor throws if workQueue is set to null */ - public void testNullPointerException4() { + public void testConstructorNullPointerException4() { try { - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler()); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler()); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - /** - * Constructor throws if handler is set to null + /** + * Constructor throws if handler is set to null */ - public void testNullPointerException5() { + public void testConstructorNullPointerException5() { try { RejectedExecutionHandler r = null; - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),r); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),r); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - - /** - * Constructor throws if corePoolSize argument is less than zero + + /** + * Constructor throws if corePoolSize argument is less than zero */ public void testConstructor16() { try { - new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); + new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if maximumPoolSize is less than zero + /** + * Constructor throws if maximumPoolSize is less than zero */ public void testConstructor17() { try { - new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); + new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if maximumPoolSize is equal to zero + /** + * Constructor throws if maximumPoolSize is equal to zero */ public void testConstructor18() { try { - new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); + new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if keepAliveTime is less than zero + /** + * Constructor throws if keepAliveTime is less than zero */ public void testConstructor19() { try { @@ -509,78 +699,61 @@ public class ThreadPoolExecutorTest exte catch (IllegalArgumentException success){} } - /** - * Constructor throws if corePoolSize is greater than the maximumPoolSize + /** + * Constructor throws if corePoolSize is greater than the maximumPoolSize */ public void testConstructor20() { try { - new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); + new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10),new SimpleThreadFactory(),new NoOpREHandler()); shouldThrow(); } catch (IllegalArgumentException success){} } - /** - * Constructor throws if workQueue is set to null + /** + * Constructor throws if workQueue is set to null */ - public void testNullPointerException6() { + public void testConstructorNullPointerException6() { try { - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - /** - * Constructor throws if handler is set to null + /** + * Constructor throws if handler is set to null */ - public void testNullPointerException7() { + public void testConstructorNullPointerException7() { try { RejectedExecutionHandler r = null; - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),new SimpleThreadFactory(),r); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),new SimpleThreadFactory(),r); shouldThrow(); } - catch (NullPointerException success){} + catch (NullPointerException success){} } - /** - * Constructor throws if ThreadFactory is set top null + /** + * Constructor throws if ThreadFactory is set top null */ - public void testNullPointerException8() { + public void testConstructorNullPointerException8() { try { ThreadFactory f = null; - new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),f,new NoOpREHandler()); + new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10),f,new NoOpREHandler()); shouldThrow(); } - catch (NullPointerException successdn8){} + catch (NullPointerException successdn8){} } - - /** - * execute throws RejectedExecutionException if shutdown - */ - public void testRejectedExecutionException() { - ThreadPoolExecutor tpe = null; - try { - tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(1)); - } catch(Exception e){} - tpe.shutdown(); - try { - tpe.execute(new NoOpRunnable()); - shouldThrow(); - } catch(RejectedExecutionException success){} - - joinPool(tpe); - } /** * execute throws RejectedExecutionException * if saturated. */ public void testSaturatedExecute() { - ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1)); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1)); try { - + for(int i = 0; i < 5; ++i){ p.execute(new MediumRunnable()); } @@ -590,56 +763,208 @@ public class ThreadPoolExecutorTest exte } /** + * executor using CallerRunsPolicy runs task if saturated. + */ + public void testSaturatedExecute2() { + RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + try { + + TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; + for(int i = 0; i < 5; ++i){ + tasks[i] = new TrackedNoOpRunnable(); + } + TrackedLongRunnable mr = new TrackedLongRunnable(); + p.execute(mr); + for(int i = 0; i < 5; ++i){ + p.execute(tasks[i]); + } + for(int i = 1; i < 5; ++i) { + assertTrue(tasks[i].done); + } + try { p.shutdownNow(); } catch(SecurityException ok) { return; } + } catch(RejectedExecutionException ex){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + /** + * executor using DiscardPolicy drops task if saturated. + */ + public void testSaturatedExecute3() { + RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + try { + + TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; + for(int i = 0; i < 5; ++i){ + tasks[i] = new TrackedNoOpRunnable(); + } + p.execute(new TrackedLongRunnable()); + for(int i = 0; i < 5; ++i){ + p.execute(tasks[i]); + } + for(int i = 0; i < 5; ++i){ + assertFalse(tasks[i].done); + } + try { p.shutdownNow(); } catch(SecurityException ok) { return; } + } catch(RejectedExecutionException ex){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + /** + * executor using DiscardOldestPolicy drops oldest task if saturated. + */ + public void testSaturatedExecute4() { + RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + try { + p.execute(new TrackedLongRunnable()); + TrackedLongRunnable r2 = new TrackedLongRunnable(); + p.execute(r2); + assertTrue(p.getQueue().contains(r2)); + TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); + p.execute(r3); + assertFalse(p.getQueue().contains(r2)); + assertTrue(p.getQueue().contains(r3)); + try { p.shutdownNow(); } catch(SecurityException ok) { return; } + } catch(RejectedExecutionException ex){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + /** + * execute throws RejectedExecutionException if shutdown + */ + public void testRejectedExecutionExceptionOnShutdown() { + ThreadPoolExecutor tpe = + new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(1)); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } + try { + tpe.execute(new NoOpRunnable()); + shouldThrow(); + } catch(RejectedExecutionException success){} + + joinPool(tpe); + } + + /** + * execute using CallerRunsPolicy drops task on shutdown + */ + public void testCallerRunsOnShutdown() { + RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + + try { p.shutdown(); } catch(SecurityException ok) { return; } + try { + TrackedNoOpRunnable r = new TrackedNoOpRunnable(); + p.execute(r); + assertFalse(r.done); + } catch(RejectedExecutionException success){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + /** + * execute using DiscardPolicy drops task on shutdown + */ + public void testDiscardOnShutdown() { + RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + + try { p.shutdown(); } catch(SecurityException ok) { return; } + try { + TrackedNoOpRunnable r = new TrackedNoOpRunnable(); + p.execute(r); + assertFalse(r.done); + } catch(RejectedExecutionException success){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + + /** + * execute using DiscardOldestPolicy drops task on shutdown + */ + public void testDiscardOldestOnShutdown() { + RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); + ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(1), h); + + try { p.shutdown(); } catch(SecurityException ok) { return; } + try { + TrackedNoOpRunnable r = new TrackedNoOpRunnable(); + p.execute(r); + assertFalse(r.done); + } catch(RejectedExecutionException success){ + unexpectedException(); + } finally { + joinPool(p); + } + } + + + /** * execute (null) throws NPE */ public void testExecuteNull() { ThreadPoolExecutor tpe = null; try { - tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); + tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); tpe.execute(null); shouldThrow(); } catch(NullPointerException success){} - + joinPool(tpe); } - + /** - * setCorePoolSize of netaitev value throws IllegalArgumentException + * setCorePoolSize of negative value throws IllegalArgumentException */ public void testCorePoolSizeIllegalArgumentException() { ThreadPoolExecutor tpe = null; try { - tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); + tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); } catch(Exception e){} try { tpe.setCorePoolSize(-1); shouldThrow(); } catch(IllegalArgumentException success){ } finally { - tpe.shutdown(); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } } joinPool(tpe); - } + } /** * setMaximumPoolSize(int) throws IllegalArgumentException if * given a value less the core pool size - */ + */ public void testMaximumPoolSizeIllegalArgumentException() { ThreadPoolExecutor tpe = null; try { - tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); + tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); } catch(Exception e){} try { tpe.setMaximumPoolSize(1); shouldThrow(); } catch(IllegalArgumentException success){ } finally { - tpe.shutdown(); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } } joinPool(tpe); } - + /** * setMaximumPoolSize throws IllegalArgumentException * if given a negative value @@ -647,18 +972,18 @@ public class ThreadPoolExecutorTest exte public void testMaximumPoolSizeIllegalArgumentException2() { ThreadPoolExecutor tpe = null; try { - tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); + tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); } catch(Exception e){} try { tpe.setMaximumPoolSize(-1); shouldThrow(); } catch(IllegalArgumentException success){ } finally { - tpe.shutdown(); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } } joinPool(tpe); } - + /** * setKeepAliveTime throws IllegalArgumentException @@ -667,17 +992,620 @@ public class ThreadPoolExecutorTest exte public void testKeepAliveTimeIllegalArgumentException() { ThreadPoolExecutor tpe = null; try { - tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); + tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue(10)); } catch(Exception e){} - + try { tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS); shouldThrow(); } catch(IllegalArgumentException success){ } finally { - tpe.shutdown(); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } + } + joinPool(tpe); + } + + /** + * terminated() is called on termination + */ + public void testTerminated() { + ExtendedTPE tpe = new ExtendedTPE(); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } + assertTrue(tpe.terminatedCalled); + joinPool(tpe); + } + + /** + * beforeExecute and afterExecute are called when executing task + */ + public void testBeforeAfter() { + ExtendedTPE tpe = new ExtendedTPE(); + try { + TrackedNoOpRunnable r = new TrackedNoOpRunnable(); + tpe.execute(r); + Thread.sleep(SHORT_DELAY_MS); + assertTrue(r.done); + assertTrue(tpe.beforeCalled); + assertTrue(tpe.afterCalled); + try { tpe.shutdown(); } catch(SecurityException ok) { return; } + } + catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(tpe); + } + } + + /** + * completed submit of callable returns result + */ + public void testSubmitCallable() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + Future future = e.submit(new StringTask()); + String result = future.get(); + assertSame(TEST_STRING, result); + } + catch (ExecutionException ex) { + unexpectedException(); + } + catch (InterruptedException ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * completed submit of runnable returns successfully + */ + public void testSubmitRunnable() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + Future future = e.submit(new NoOpRunnable()); + future.get(); + assertTrue(future.isDone()); + } + catch (ExecutionException ex) { + unexpectedException(); + } + catch (InterruptedException ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * completed submit of (runnable, result) returns result + */ + public void testSubmitRunnable2() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + Future future = e.submit(new NoOpRunnable(), TEST_STRING); + String result = future.get(); + assertSame(TEST_STRING, result); + } + catch (ExecutionException ex) { + unexpectedException(); + } + catch (InterruptedException ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + + + + + /** + * invokeAny(null) throws NPE + */ + public void testInvokeAny1() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAny(null); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAny(empty collection) throws IAE + */ + public void testInvokeAny2() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAny(new ArrayList>()); + } catch (IllegalArgumentException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAny(c) throws NPE if c has null elements + */ + public void testInvokeAny3() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + e.invokeAny(l); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAny(c) throws ExecutionException if no task completes + */ + public void testInvokeAny4() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new NPETask()); + e.invokeAny(l); + } catch (ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAny(c) returns result of some task + */ + public void testInvokeAny5() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(new StringTask()); + String result = e.invokeAny(l); + assertSame(TEST_STRING, result); + } catch (ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); } + } + + /** + * invokeAll(null) throws NPE + */ + public void testInvokeAll1() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAll(null); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAll(empty collection) returns empty collection + */ + public void testInvokeAll2() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + List> r = e.invokeAll(new ArrayList>()); + assertTrue(r.isEmpty()); + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAll(c) throws NPE if c has null elements + */ + public void testInvokeAll3() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + e.invokeAll(l); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * get of element of invokeAll(c) throws exception on failed task + */ + public void testInvokeAll4() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new NPETask()); + List> result = e.invokeAll(l); + assertEquals(1, result.size()); + for (Iterator> it = result.iterator(); it.hasNext();) + it.next().get(); + } catch(ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * invokeAll(c) returns results of all completed tasks + */ + public void testInvokeAll5() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(new StringTask()); + List> result = e.invokeAll(l); + assertEquals(2, result.size()); + for (Iterator> it = result.iterator(); it.hasNext();) + assertSame(TEST_STRING, it.next().get()); + } catch (ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + + + /** + * timed invokeAny(null) throws NPE + */ + public void testTimedInvokeAny1() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAny(,,null) throws NPE + */ + public void testTimedInvokeAnyNullTimeUnit() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + e.invokeAny(l, MEDIUM_DELAY_MS, null); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAny(empty collection) throws IAE + */ + public void testTimedInvokeAny2() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAny(new ArrayList>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch (IllegalArgumentException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAny(c) throws NPE if c has null elements + */ + public void testTimedInvokeAny3() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch (NullPointerException success) { + } catch(Exception ex) { + ex.printStackTrace(); + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAny(c) throws ExecutionException if no task completes + */ + public void testTimedInvokeAny4() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new NPETask()); + e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch(ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAny(c) returns result of some task + */ + public void testTimedInvokeAny5() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(new StringTask()); + String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + assertSame(TEST_STRING, result); + } catch (ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(null) throws NPE + */ + public void testTimedInvokeAll1() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(,,null) throws NPE + */ + public void testTimedInvokeAllNullTimeUnit() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + e.invokeAll(l, MEDIUM_DELAY_MS, null); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(empty collection) returns empty collection + */ + public void testTimedInvokeAll2() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + List> r = e.invokeAll(new ArrayList>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + assertTrue(r.isEmpty()); + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(c) throws NPE if c has null elements + */ + public void testTimedInvokeAll3() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(null); + e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + } catch (NullPointerException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * get of element of invokeAll(c) throws exception on failed task + */ + public void testTimedInvokeAll4() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new NPETask()); + List> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + assertEquals(1, result.size()); + for (Iterator> it = result.iterator(); it.hasNext();) + it.next().get(); + } catch(ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(c) returns results of all completed tasks + */ + public void testTimedInvokeAll5() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(new StringTask()); + List> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); + assertEquals(2, result.size()); + for (Iterator> it = result.iterator(); it.hasNext();) + assertSame(TEST_STRING, it.next().get()); + } catch (ExecutionException success) { + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * timed invokeAll(c) cancels tasks not completed by timeout + */ + public void testTimedInvokeAll6() { + ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + try { + ArrayList> l = new ArrayList>(); + l.add(new StringTask()); + l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); + l.add(new StringTask()); + List> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); + assertEquals(3, result.size()); + Iterator> it = result.iterator(); + Future f1 = it.next(); + Future f2 = it.next(); + Future f3 = it.next(); + assertTrue(f1.isDone()); + assertTrue(f2.isDone()); + assertTrue(f3.isDone()); + assertFalse(f1.isCancelled()); + assertTrue(f2.isCancelled()); + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * Execution continues if there is at least one thread even if + * thread factory fails to create more + */ + public void testFailingThreadFactory() { + ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new LinkedBlockingQueue(), new FailingThreadFactory()); + try { + ArrayList> l = new ArrayList>(); + for (int k = 0; k < 100; ++k) { + e.execute(new NoOpRunnable()); + } + Thread.sleep(LONG_DELAY_MS); + } catch(Exception ex) { + unexpectedException(); + } finally { + joinPool(e); + } + } + + /** + * allowsCoreThreadTimeOut is by default false. + */ + public void testAllowsCoreThreadTimeOut() { + ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + assertFalse(tpe.allowsCoreThreadTimeOut()); joinPool(tpe); } - + + /** + * allowCoreThreadTimeOut(true) causes idle threads to time out + */ + public void testAllowCoreThreadTimeOut_true() { + ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + tpe.allowCoreThreadTimeOut(true); + tpe.execute(new NoOpRunnable()); + try { + Thread.sleep(MEDIUM_DELAY_MS); + assertEquals(0, tpe.getPoolSize()); + } catch(InterruptedException e){ + unexpectedException(); + } finally { + joinPool(tpe); + } + } + + /** + * allowCoreThreadTimeOut(false) causes idle threads not to time out + */ + public void testAllowCoreThreadTimeOut_false() { + ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue(10)); + tpe.allowCoreThreadTimeOut(false); + tpe.execute(new NoOpRunnable()); + try { + Thread.sleep(MEDIUM_DELAY_MS); + assertTrue(tpe.getPoolSize() >= 1); + } catch(InterruptedException e){ + unexpectedException(); + } finally { + joinPool(tpe); + } + } + + /** + * execute allows the same task to be submitted multiple times, even + * if rejected + */ + public void testRejectedRecycledTask() { + final int nTasks = 1000; + final AtomicInteger nRun = new AtomicInteger(0); + final Runnable recycledTask = new Runnable() { + public void run() { + nRun.getAndIncrement(); + } }; + final ThreadPoolExecutor p = + new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS, + new ArrayBlockingQueue(30)); + try { + for (int i = 0; i < nTasks; ++i) { + for (;;) { + try { + p.execute(recycledTask); + break; + } + catch (RejectedExecutionException ignore) { + } + } + } + Thread.sleep(5000); // enough time to run all tasks + assertEquals(nRun.get(), nTasks); + } catch(Exception ex) { + ex.printStackTrace(); + unexpectedException(); + } finally { + p.shutdown(); + } + } + }