[ViewVC] Diff of: jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.90 by jsr166, Sun Oct 4 03:07:31 2015 UTC

+/*
-<
+ * 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/publicdomain/zero/1.0/
->
+ * Other contributors include Andrew Wright, Jeffrey Hayes,
->
+ * Pat Fisher, Mike Judd.
+ */
-<
+import java.util.concurrent.*;
-<
+import junit.framework.*;
->
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
->
+import static java.util.concurrent.TimeUnit.NANOSECONDS;
->
+import static java.util.concurrent.TimeUnit.SECONDS;
->
->
+import java.util.ArrayList;
+import java.util.List;
-+
+import java.util.concurrent.ArrayBlockingQueue;
-+
+import java.util.concurrent.BlockingQueue;
-+
+import java.util.concurrent.Callable;
-+
+import java.util.concurrent.CancellationException;
-+
+import java.util.concurrent.CountDownLatch;
-+
+import java.util.concurrent.ExecutionException;
-+
+import java.util.concurrent.Executors;
-+
+import java.util.concurrent.ExecutorService;
-+
+import java.util.concurrent.Future;
-+
+import java.util.concurrent.FutureTask;
-+
+import java.util.concurrent.LinkedBlockingQueue;
-+
+import java.util.concurrent.RejectedExecutionException;
-+
+import java.util.concurrent.RejectedExecutionHandler;
-+
+import java.util.concurrent.SynchronousQueue;
-+
+import java.util.concurrent.ThreadFactory;
-+
+import java.util.concurrent.ThreadPoolExecutor;
-+
+import java.util.concurrent.TimeUnit;
-+
+import java.util.concurrent.atomic.AtomicInteger;
-+
-+
+import junit.framework.Test;
-+
+import junit.framework.TestSuite;
+public class ThreadPoolExecutorTest extends JSR166TestCase {
+    public static void main(String[] args) {
-<
+        junit.textui.TestRunner.run (suite());
->
+        main(suite(), args);
+    public static Test suite() {
+        return new TestSuite(ThreadPoolExecutorTest.class);
-<
->
->
+    static class ExtendedTPE extends ThreadPoolExecutor {
->
+        final CountDownLatch beforeCalled = new CountDownLatch(1);
->
+        final CountDownLatch afterCalled = new CountDownLatch(1);
->
+        final CountDownLatch terminatedCalled = new CountDownLatch(1);
->
->
+        public ExtendedTPE() {
->
+            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
->
+        }
->
+        protected void beforeExecute(Thread t, Runnable r) {
->
+            beforeCalled.countDown();
->
+        }
->
+        protected void afterExecute(Runnable r, Throwable t) {
->
+            afterCalled.countDown();
->
+        }
->
+        protected void terminated() {
->
+            terminatedCalled.countDown();
->
+        }
->
->
+        public boolean beforeCalled() {
->
+            return beforeCalled.getCount() == 0;
->
+        }
->
+        public boolean afterCalled() {
->
+            return afterCalled.getCount() == 0;
->
+        }
->
+        public boolean terminatedCalled() {
->
+            return terminatedCalled.getCount() == 0;
->
+        }
->
+    }
->
->
+    static class FailingThreadFactory implements ThreadFactory {
->
+        int calls = 0;
->
+        public Thread newThread(Runnable r) {
->
+            if (++calls > 1) return null;
->
+            return new Thread(r);
->
+        }
->
+    }
->
+    /**
-<
+     * For use as ThreadFactory in constructors
->
+     * execute successfully executes a runnable
+     */
-<
+    static class MyThreadFactory implements ThreadFactory{
-<
+        public Thread newThread(Runnable r){
-<
+            return new Thread(r);
-<
+        }
->
+    public void testExecute() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            final Runnable task = new CheckedRunnable() {
->
+                public void realRun() { done.countDown(); }};
->
+            p.execute(task);
->
+            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
->
+        }
->
+    }
->
->
+    /**
->
+     * getActiveCount increases but doesn't overestimate, when a
->
+     * thread becomes active
->
+     */
->
+    public void testGetActiveCount() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertEquals(0, p.getActiveCount());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    threadStarted.countDown();
->
+                    assertEquals(1, p.getActiveCount());
->
+                    done.await();
->
+                }});
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertEquals(1, p.getActiveCount());
->
+            done.countDown();
->
+        }
->
+    }
->
->
+    /**
->
+     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
->
+     */
->
+    public void testPrestartCoreThread() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 6,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertEquals(0, p.getPoolSize());
->
+            assertTrue(p.prestartCoreThread());
->
+            assertEquals(1, p.getPoolSize());
->
+            assertTrue(p.prestartCoreThread());
->
+            assertEquals(2, p.getPoolSize());
->
+            assertFalse(p.prestartCoreThread());
->
+            assertEquals(2, p.getPoolSize());
->
+            p.setCorePoolSize(4);
->
+            assertTrue(p.prestartCoreThread());
->
+            assertEquals(3, p.getPoolSize());
->
+            assertTrue(p.prestartCoreThread());
->
+            assertEquals(4, p.getPoolSize());
->
+            assertFalse(p.prestartCoreThread());
->
+            assertEquals(4, p.getPoolSize());
->
+        }
->
+    }
->
->
+    /**
->
+     * prestartAllCoreThreads starts all corePoolSize threads
->
+     */
->
+    public void testPrestartAllCoreThreads() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 6,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertEquals(0, p.getPoolSize());
->
+            p.prestartAllCoreThreads();
->
+            assertEquals(2, p.getPoolSize());
->
+            p.prestartAllCoreThreads();
->
+            assertEquals(2, p.getPoolSize());
->
+            p.setCorePoolSize(4);
->
+            p.prestartAllCoreThreads();
->
+            assertEquals(4, p.getPoolSize());
->
+            p.prestartAllCoreThreads();
->
+            assertEquals(4, p.getPoolSize());
->
+        }
->
+    }
->
->
+    /**
->
+     * getCompletedTaskCount increases, but doesn't overestimate,
->
+     * when tasks complete
->
+     */
->
+    public void testGetCompletedTaskCount() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch threadProceed = new CountDownLatch(1);
->
+            final CountDownLatch threadDone = new CountDownLatch(1);
->
+            assertEquals(0, p.getCompletedTaskCount());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    threadStarted.countDown();
->
+                    assertEquals(0, p.getCompletedTaskCount());
->
+                    threadProceed.await();
->
+                    threadDone.countDown();
->
+                }});
->
+            await(threadStarted);
->
+            assertEquals(0, p.getCompletedTaskCount());
->
+            threadProceed.countDown();
->
+            threadDone.await();
->
+            long startTime = System.nanoTime();
->
+            while (p.getCompletedTaskCount() != 1) {
->
+                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
->
+                    fail("timed out");
->
+                Thread.yield();
->
+            }
->
+        }
->
+    }
->
->
+    /**
->
+     * getCorePoolSize returns size given in constructor if not otherwise set
->
+     */
->
+    public void testGetCorePoolSize() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertEquals(1, p.getCorePoolSize());
->
+        }
->
+    }
->
->
+    /**
->
+     * getKeepAliveTime returns value given in constructor if not otherwise set
->
+     */
->
+    public void testGetKeepAliveTime() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 2,
->
+, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertEquals(1, p.getKeepAliveTime(SECONDS));
->
+        }
->
+    }
->
->
+    /**
->
+     * getThreadFactory returns factory in constructor if not set
->
+     */
->
+    public void testGetThreadFactory() {
->
+        ThreadFactory threadFactory = new SimpleThreadFactory();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   threadFactory,
->
+                                   new NoOpREHandler());
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertSame(threadFactory, p.getThreadFactory());
->
+        }
->
+    }
->
->
+    /**
->
+     * setThreadFactory sets the thread factory returned by getThreadFactory
->
+     */
->
+    public void testSetThreadFactory() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            ThreadFactory threadFactory = new SimpleThreadFactory();
->
+            p.setThreadFactory(threadFactory);
->
+            assertSame(threadFactory, p.getThreadFactory());
->
+        }
->
+    }
->
->
+    /**
->
+     * setThreadFactory(null) throws NPE
->
+     */
->
+    public void testSetThreadFactoryNull() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            try {
->
+                p.setThreadFactory(null);
->
+                shouldThrow();
->
+            } catch (NullPointerException success) {}
->
+        }
->
+    }
->
->
+    /**
->
+     * getRejectedExecutionHandler returns handler in constructor if not set
->
+     */
->
+    public void testGetRejectedExecutionHandler() {
->
+        final RejectedExecutionHandler handler = new NoOpREHandler();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   handler);
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertSame(handler, p.getRejectedExecutionHandler());
->
+        }
->
+    }
->
->
+    /**
->
+     * setRejectedExecutionHandler sets the handler returned by
->
+     * getRejectedExecutionHandler
->
+     */
->
+    public void testSetRejectedExecutionHandler() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            RejectedExecutionHandler handler = new NoOpREHandler();
->
+            p.setRejectedExecutionHandler(handler);
->
+            assertSame(handler, p.getRejectedExecutionHandler());
->
+        }
->
+    }
->
->
+    /**
->
+     * setRejectedExecutionHandler(null) throws NPE
->
+     */
->
+    public void testSetRejectedExecutionHandlerNull() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            try {
->
+                p.setRejectedExecutionHandler(null);
->
+                shouldThrow();
->
+            } catch (NullPointerException success) {}
->
+        }
->
+    }
->
->
+    /**
->
+     * getLargestPoolSize increases, but doesn't overestimate, when
->
+     * multiple threads active
->
+     */
->
+    public void testGetLargestPoolSize() throws InterruptedException {
->
+        final int THREADS = 3;
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(THREADS, THREADS,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertEquals(0, p.getLargestPoolSize());
->
+            for (int i = 0; i < THREADS; i++)
->
+                p.execute(new CheckedRunnable() {
->
+                    public void realRun() throws InterruptedException {
->
+                        threadsStarted.countDown();
->
+                        done.await();
->
+                        assertEquals(THREADS, p.getLargestPoolSize());
->
+                    }});
->
+            assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertEquals(THREADS, p.getLargestPoolSize());
->
+            done.countDown();   // release pool
->
+        }
->
+        assertEquals(THREADS, p.getLargestPoolSize());
->
+    }
->
->
+    /**
->
+     * getMaximumPoolSize returns value given in constructor if not
->
+     * otherwise set
->
+     */
->
+    public void testGetMaximumPoolSize() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 3,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertEquals(3, p.getMaximumPoolSize());
->
+            p.setMaximumPoolSize(5);
->
+            assertEquals(5, p.getMaximumPoolSize());
->
+            p.setMaximumPoolSize(4);
->
+            assertEquals(4, p.getMaximumPoolSize());
->
+        }
->
+    }
->
->
+    /**
->
+     * getPoolSize increases, but doesn't overestimate, when threads
->
+     * become active
->
+     */
->
+    public void testGetPoolSize() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertEquals(0, p.getPoolSize());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    threadStarted.countDown();
->
+                    assertEquals(1, p.getPoolSize());
->
+                    done.await();
->
+                }});
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertEquals(1, p.getPoolSize());
->
+            done.countDown();   // release pool
->
+        }
->
+    }
->
->
+    /**
->
+     * getTaskCount increases, but doesn't overestimate, when tasks submitted
->
+     */
->
+    public void testGetTaskCount() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertEquals(0, p.getTaskCount());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    threadStarted.countDown();
->
+                    assertEquals(1, p.getTaskCount());
->
+                    done.await();
->
+                }});
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertEquals(1, p.getTaskCount());
->
+            done.countDown();
->
+        }
->
+    }
->
->
+    /**
->
+     * isShutdown is false before shutdown, true after
->
+     */
->
+    public void testIsShutdown() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertFalse(p.isShutdown());
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+            assertTrue(p.isShutdown());
->
+        }
->
+    }
->
->
+    /**
->
+     * awaitTermination on a non-shutdown pool times out
->
+     */
->
+    public void testAwaitTermination_timesOut() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            assertFalse(p.isTerminated());
->
+            assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
->
+            assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
->
+            assertFalse(p.awaitTermination(-1L, NANOSECONDS));
->
+            assertFalse(p.awaitTermination(-1L, MILLISECONDS));
->
+            assertFalse(p.awaitTermination(0L, NANOSECONDS));
->
+            assertFalse(p.awaitTermination(0L, MILLISECONDS));
->
+            long timeoutNanos = 999999L;
->
+            long startTime = System.nanoTime();
->
+            assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
->
+            assertTrue(System.nanoTime() - startTime >= timeoutNanos);
->
+            assertFalse(p.isTerminated());
->
+            startTime = System.nanoTime();
->
+            long timeoutMillis = timeoutMillis();
->
+            assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
->
+            assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
->
+            assertFalse(p.isTerminated());
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
->
+            assertTrue(p.isTerminated());
->
+        }
->
+    }
->
->
+    /**
->
+     * isTerminated is false before termination, true after
->
+     */
->
+    public void testIsTerminated() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertFalse(p.isTerminating());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    assertFalse(p.isTerminating());
->
+                    threadStarted.countDown();
->
+                    done.await();
->
+                }});
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertFalse(p.isTerminating());
->
+            done.countDown();
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
->
+            assertTrue(p.isTerminated());
->
+            assertFalse(p.isTerminating());
->
+        }
->
+    }
->
->
+    /**
->
+     * isTerminating is not true when running or when terminated
->
+     */
->
+    public void testIsTerminating() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            assertFalse(p.isTerminating());
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    assertFalse(p.isTerminating());
->
+                    threadStarted.countDown();
->
+                    done.await();
->
+                }});
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertFalse(p.isTerminating());
->
+            done.countDown();
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
->
+            assertTrue(p.isTerminated());
->
+            assertFalse(p.isTerminating());
->
+        }
->
+    }
->
->
+    /**
->
+     * getQueue returns the work queue, which contains queued tasks
->
+     */
->
+    public void testGetQueue() throws InterruptedException {
->
+        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   q);
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            FutureTask[] tasks = new FutureTask[5];
->
+            for (int i = 0; i < tasks.length; i++) {
->
+                Callable task = new CheckedCallable<Boolean>() {
->
+                    public Boolean realCall() throws InterruptedException {
->
+                        threadStarted.countDown();
->
+                        assertSame(q, p.getQueue());
->
+                        done.await();
->
+                        return Boolean.TRUE;
->
+                    }};
->
+                tasks[i] = new FutureTask(task);
->
+                p.execute(tasks[i]);
->
+            }
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertSame(q, p.getQueue());
->
+            assertFalse(q.contains(tasks[0]));
->
+            assertTrue(q.contains(tasks[tasks.length - 1]));
->
+            assertEquals(tasks.length - 1, q.size());
->
+            done.countDown();
->
+        }
->
+    }
->
->
+    /**
->
+     * remove(task) removes queued task, and fails to remove active task
->
+     */
->
+    public void testRemove() throws InterruptedException {
->
+        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   q);
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            Runnable[] tasks = new Runnable[6];
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            for (int i = 0; i < tasks.length; i++) {
->
+                tasks[i] = new CheckedRunnable() {
->
+                    public void realRun() throws InterruptedException {
->
+                        threadStarted.countDown();
->
+                        done.await();
->
+                    }};
->
+                p.execute(tasks[i]);
->
+            }
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertFalse(p.remove(tasks[0]));
->
+            assertTrue(q.contains(tasks[4]));
->
+            assertTrue(q.contains(tasks[3]));
->
+            assertTrue(p.remove(tasks[4]));
->
+            assertFalse(p.remove(tasks[4]));
->
+            assertFalse(q.contains(tasks[4]));
->
+            assertTrue(q.contains(tasks[3]));
->
+            assertTrue(p.remove(tasks[3]));
->
+            assertFalse(q.contains(tasks[3]));
->
+            done.countDown();
->
+        }
+    /**
-<
+     * For use as RejectedExecutionHandler in constructors
->
+     * purge removes cancelled tasks from the queue
+     */
-<
+    static class MyREHandler implements RejectedExecutionHandler{
-<
+        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
->
+    public void testPurge() throws InterruptedException {
->
+        final CountDownLatch threadStarted = new CountDownLatch(1);
->
+        final CountDownLatch done = new CountDownLatch(1);
->
+        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   q);
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            FutureTask[] tasks = new FutureTask[5];
->
+            for (int i = 0; i < tasks.length; i++) {
->
+                Callable task = new CheckedCallable<Boolean>() {
->
+                    public Boolean realCall() throws InterruptedException {
->
+                        threadStarted.countDown();
->
+                        done.await();
->
+                        return Boolean.TRUE;
->
+                    }};
->
+                tasks[i] = new FutureTask(task);
->
+                p.execute(tasks[i]);
->
+            }
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            assertEquals(tasks.length, p.getTaskCount());
->
+            assertEquals(tasks.length - 1, q.size());
->
+            assertEquals(1L, p.getActiveCount());
->
+            assertEquals(0L, p.getCompletedTaskCount());
->
+            tasks[4].cancel(true);
->
+            tasks[3].cancel(false);
->
+            p.purge();
->
+            assertEquals(tasks.length - 3, q.size());
->
+            assertEquals(tasks.length - 2, p.getTaskCount());
->
+            p.purge();         // Nothing to do
->
+            assertEquals(tasks.length - 3, q.size());
->
+            assertEquals(tasks.length - 2, p.getTaskCount());
->
+            done.countDown();
->
+        }
-<
->
+    /**
-<
+     *   execute successfully executes a runnable
->
+     * shutdownNow returns a list containing tasks that were not run,
->
+     * and those tasks are drained from the queue
+     */
-<
+    public void testExecute(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
->
+    public void testShutdownNow() throws InterruptedException {
->
+        final int poolSize = 2;
->
+        final int count = 5;
->
+        final AtomicInteger ran = new AtomicInteger(0);
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(poolSize, poolSize,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
->
+        Runnable waiter = new CheckedRunnable() { public void realRun() {
->
+            threadsStarted.countDown();
->
+            try {
->
+                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
->
+            } catch (InterruptedException success) {}
->
+            ran.getAndIncrement();
->
+        }};
->
+        for (int i = 0; i < count; i++)
->
+            p.execute(waiter);
->
+        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
->
+        assertEquals(poolSize, p.getActiveCount());
->
+        assertEquals(0, p.getCompletedTaskCount());
->
+        final List<Runnable> queuedTasks;
+        try {
-<
+            one.execute(new Runnable(){
-<
+                    public void run(){
-<
+                        try{
-<
+                            Thread.sleep(SHORT_DELAY_MS);
-<
+                        } catch(InterruptedException e){
-<
+                            fail("unexpected exception");
-<
+                        }
-<
+                    }
-<
+                });
-<
+            Thread.sleep(SMALL_DELAY_MS);
-<
+        } catch(InterruptedException e){
-<
+            fail("unexpected exception");
-<
+        }
-<
+        joinPool(one);
->
+            queuedTasks = p.shutdownNow();
->
+        } catch (SecurityException ok) {
->
+            return; // Allowed in case test doesn't have privs
->
+        }
->
+        assertTrue(p.isShutdown());
->
+        assertTrue(p.getQueue().isEmpty());
->
+        assertEquals(count - poolSize, queuedTasks.size());
->
+        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
->
+        assertTrue(p.isTerminated());
->
+        assertEquals(poolSize, ran.get());
->
+        assertEquals(poolSize, p.getCompletedTaskCount());
->
+    }
->
->
+    // Exception Tests
->
->
+    /**
->
+     * Constructor throws if corePoolSize argument is less than zero
->
+     */
->
+    public void testConstructor1() {
->
+        try {
->
+            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is less than zero
->
+     */
->
+    public void testConstructor2() {
->
+        try {
->
+            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is equal to zero
->
+     */
->
+    public void testConstructor3() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if keepAliveTime is less than zero
->
+     */
->
+    public void testConstructor4() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize is greater than the maximumPoolSize
->
+     */
->
+    public void testConstructor5() {
->
+        try {
->
+            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if workQueue is set to null
->
+     */
->
+    public void testConstructorNullPointerException() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   (BlockingQueue) null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize argument is less than zero
->
+     */
->
+    public void testConstructor6() {
->
+        try {
->
+            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is less than zero
->
+     */
->
+    public void testConstructor7() {
->
+        try {
->
+            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is equal to zero
->
+     */
->
+    public void testConstructor8() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if keepAliveTime is less than zero
->
+     */
->
+    public void testConstructor9() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize is greater than the maximumPoolSize
->
+     */
->
+    public void testConstructor10() {
->
+        try {
->
+            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if workQueue is set to null
->
+     */
->
+    public void testConstructorNullPointerException2() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   (BlockingQueue) null,
->
+                                   new SimpleThreadFactory());
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if threadFactory is set to null
->
+     */
->
+    public void testConstructorNullPointerException3() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   (ThreadFactory) null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize argument is less than zero
->
+     */
->
+    public void testConstructor11() {
->
+        try {
->
+            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is less than zero
->
+     */
->
+    public void testConstructor12() {
->
+        try {
->
+            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is equal to zero
->
+     */
->
+    public void testConstructor13() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if keepAliveTime is less than zero
->
+     */
->
+    public void testConstructor14() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize is greater than the maximumPoolSize
->
+     */
->
+    public void testConstructor15() {
->
+        try {
->
+            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if workQueue is set to null
->
+     */
->
+    public void testConstructorNullPointerException4() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   (BlockingQueue) null,
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if handler is set to null
->
+     */
->
+    public void testConstructorNullPointerException5() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   (RejectedExecutionHandler) null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize argument is less than zero
->
+     */
->
+    public void testConstructor16() {
->
+        try {
->
+            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is less than zero
->
+     */
->
+    public void testConstructor17() {
->
+        try {
->
+            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if maximumPoolSize is equal to zero
->
+     */
->
+    public void testConstructor18() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if keepAliveTime is less than zero
->
+     */
->
+    public void testConstructor19() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if corePoolSize is greater than the maximumPoolSize
->
+     */
->
+    public void testConstructor20() {
->
+        try {
->
+            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if workQueue is null
->
+     */
->
+    public void testConstructorNullPointerException6() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   (BlockingQueue) null,
->
+                                   new SimpleThreadFactory(),
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if handler is null
->
+     */
->
+    public void testConstructorNullPointerException7() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   new SimpleThreadFactory(),
->
+                                   (RejectedExecutionHandler) null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * Constructor throws if ThreadFactory is null
->
+     */
->
+    public void testConstructorNullPointerException8() {
->
+        try {
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10),
->
+                                   (ThreadFactory) null,
->
+                                   new NoOpREHandler());
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
+    }
->
->
+    /**
->
+     * get of submitted callable throws InterruptedException if interrupted
->
+     */
->
+    public void testInterruptedSubmit() throws InterruptedException {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch threadStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
->
+                public void realRun() throws Exception {
->
+                    Callable task = new CheckedCallable<Boolean>() {
->
+                        public Boolean realCall() throws InterruptedException {
->
+                            threadStarted.countDown();
->
+                            done.await();
->
+                            return Boolean.TRUE;
->
+                        }};
->
+                    p.submit(task).get();
->
+                }});
->
->
+            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
->
+            t.interrupt();
->
+            awaitTermination(t, MEDIUM_DELAY_MS);
->
+            done.countDown();
->
+        }
+    /**
-<
+     *   getActiveCount gives correct values
->
+     * execute throws RejectedExecutionException if saturated.
+     */
-<
+    public void testGetActiveCount(){
-<
+        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(0, two.getActiveCount());
-<
+        two.execute(new MediumRunnable());
-<
+        try{
-<
+            Thread.sleep(SHORT_DELAY_MS);
-<
+        } catch(Exception e){
-<
+            fail("unexpected exception");
->
+    public void testSaturatedExecute() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1));
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            Runnable task = new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    done.await();
->
+                }};
->
+            for (int i = 0; i < 2; ++i)
->
+                p.execute(task);
->
+            for (int i = 0; i < 2; ++i) {
->
+                try {
->
+                    p.execute(task);
->
+                    shouldThrow();
->
+                } catch (RejectedExecutionException success) {}
->
+                assertTrue(p.getTaskCount() <= 2);
->
+            }
->
+            done.countDown();
-–
+        assertEquals(1, two.getActiveCount());
-–
+        joinPool(two);
-<
->
+    /**
-<
+     *   getCompleteTaskCount gives correct values
->
+     * submit(runnable) throws RejectedExecutionException if saturated.
+     */
-<
+    public void testGetCompletedTaskCount(){
-<
+        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(0, two.getCompletedTaskCount());
-<
+        two.execute(new ShortRunnable());
-<
+        try{
-<
+            Thread.sleep(MEDIUM_DELAY_MS);
-<
+        } catch(Exception e){
-<
+            fail("unexpected exception");
->
+    public void testSaturatedSubmitRunnable() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1));
->
+        final CountDownLatch done = new CountDownLatch(1);
->
+        try {
->
+            Runnable task = new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    done.await();
->
+                }};
->
+            for (int i = 0; i < 2; ++i)
->
+                p.submit(task);
->
+            for (int i = 0; i < 2; ++i) {
->
+                try {
->
+                    p.execute(task);
->
+                    shouldThrow();
->
+                } catch (RejectedExecutionException success) {}
->
+                assertTrue(p.getTaskCount() <= 2);
->
+            }
->
+        } finally {
->
+            done.countDown();
->
+            joinPool(p);
-–
+        assertEquals(1, two.getCompletedTaskCount());
-–
+        two.shutdown();
-–
+        joinPool(two);
-<
->
+    /**
-<
+     *   getCorePoolSize gives correct values
->
+     * submit(callable) throws RejectedExecutionException if saturated.
+     */
-<
+    public void testGetCorePoolSize(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(1, one.getCorePoolSize());
-<
+        joinPool(one);
->
+    public void testSaturatedSubmitCallable() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1));
->
+        final CountDownLatch done = new CountDownLatch(1);
->
+        try {
->
+            Runnable task = new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    done.await();
->
+                }};
->
+            for (int i = 0; i < 2; ++i)
->
+                p.submit(Executors.callable(task));
->
+            for (int i = 0; i < 2; ++i) {
->
+                try {
->
+                    p.execute(task);
->
+                    shouldThrow();
->
+                } catch (RejectedExecutionException success) {}
->
+                assertTrue(p.getTaskCount() <= 2);
->
+            }
->
+        } finally {
->
+            done.countDown();
->
+            joinPool(p);
->
+        }
-<
->
+    /**
-<
+     *   getKeepAliveTime gives correct values
->
+     * executor using CallerRunsPolicy runs task if saturated.
+     */
-<
+    public void testGetKeepAliveTime(){
-<
+        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
-<
+        joinPool(two);
->
+    public void testSaturatedExecute2() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS,
->
+                                   MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1),
->
+                                   new ThreadPoolExecutor.CallerRunsPolicy());
->
+        try (PoolCleaner cleaner = cleaner(p)) {
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            Runnable blocker = new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    done.await();
->
+                }};
->
+            p.execute(blocker);
->
+            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
->
+            for (int i = 0; i < tasks.length; i++)
->
+                tasks[i] = new TrackedNoOpRunnable();
->
+            for (int i = 0; i < tasks.length; i++)
->
+                p.execute(tasks[i]);
->
+            for (int i = 1; i < tasks.length; i++)
->
+                assertTrue(tasks[i].done);
->
+            // tasks[0] is waiting in queue
->
+            assertFalse(tasks[0].done);
->
+            done.countDown();
->
+        }
-<
->
+    /**
-<
+     *   getLargestPoolSize gives correct values
->
+     * executor using DiscardPolicy drops task if saturated.
+     */
-<
+    public void testGetLargestPoolSize(){
-<
+        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
->
+    public void testSaturatedExecute3() {
->
+        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1),
->
+                                   h);
+        try {
-<
+            assertEquals(0, two.getLargestPoolSize());
-<
+            two.execute(new MediumRunnable());
-<
+            two.execute(new MediumRunnable());
-<
+            Thread.sleep(SHORT_DELAY_MS);
-<
+            assertEquals(2, two.getLargestPoolSize());
-<
+        } catch(Exception e){
-<
+            fail("unexpected exception");
-<
+        }
-<
+        joinPool(two);
->
+            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
->
+            for (int i = 0; i < tasks.length; ++i)
->
+                tasks[i] = new TrackedNoOpRunnable();
->
+            p.execute(new TrackedLongRunnable());
->
+            for (TrackedNoOpRunnable task : tasks)
->
+                p.execute(task);
->
+            for (TrackedNoOpRunnable task : tasks)
->
+                assertFalse(task.done);
->
+            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
->
+        } finally {
->
+            joinPool(p);
->
+        }
-<
->
+    /**
-<
+     *   getMaximumPoolSize gives correct values
->
+     * executor using DiscardOldestPolicy drops oldest task if saturated.
+     */
-<
+    public void testGetMaximumPoolSize(){
-<
+        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(2, two.getMaximumPoolSize());
-<
+        joinPool(two);
->
+    public void testSaturatedExecute4() {
->
+        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(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; }
->
+        } finally {
->
+            joinPool(p);
->
+        }
-<
->
+    /**
-<
+     *   getPoolSize gives correct values
->
+     * execute throws RejectedExecutionException if shutdown
+     */
-<
+    public void testGetPoolSize(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertEquals(0, one.getPoolSize());
-<
+        one.execute(new MediumRunnable());
-<
+        assertEquals(1, one.getPoolSize());
-<
+        joinPool(one);
->
+    public void testRejectedExecutionExceptionOnShutdown() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1));
->
+        try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+        try {
->
+            p.execute(new NoOpRunnable());
->
+            shouldThrow();
->
+        } catch (RejectedExecutionException success) {}
->
->
+        joinPool(p);
-<
->
+    /**
-<
+     *   getTaskCount gives correct values
->
+     * execute using CallerRunsPolicy drops task on shutdown
+     */
-<
+    public void testGetTaskCount(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
->
+    public void testCallerRunsOnShutdown() {
->
+        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1), h);
->
->
+        try { p.shutdown(); } catch (SecurityException ok) { return; }
+        try {
-<
+            assertEquals(0, one.getTaskCount());
-<
+            for(int i = 0; i < 5; i++)
-<
+                one.execute(new MediumRunnable());
-<
+            Thread.sleep(SHORT_DELAY_MS);
-<
+            assertEquals(5, one.getTaskCount());
-<
+        } catch(Exception e){
-<
+            fail("unexpected exception");
-<
+        }
-<
+        joinPool(one);
->
+            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
->
+            p.execute(r);
->
+            assertFalse(r.done);
->
+        } finally {
->
+            joinPool(p);
->
+        }
-<
->
+    /**
-<
+     *   isShutDown gives correct values
->
+     * execute using DiscardPolicy drops task on shutdown
+     */
-<
+    public void testIsShutdown(){
-<
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        assertFalse(one.isShutdown());
-<
+        one.shutdown();
-<
+        assertTrue(one.isShutdown());
-<
+        joinPool(one);
->
+    public void testDiscardOnShutdown() {
->
+        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1),
->
+                                   h);
->
->
+        try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+        try {
->
+            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
->
+            p.execute(r);
->
+            assertFalse(r.done);
->
+        } finally {
->
+            joinPool(p);
->
+        }
-–
+    /**
-<
+     *   isTerminated gives correct values
-<
+     *  Makes sure termination does not take an innapropriate
-<
+     *  amount of time
->
+     * execute using DiscardOldestPolicy drops task on shutdown
+     */
-<
+    public void testIsTerminated(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
->
+    public void testDiscardOldestOnShutdown() {
->
+        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(1),
->
+                                   h);
->
->
+        try { p.shutdown(); } catch (SecurityException ok) { return; }
+        try {
-<
+            one.execute(new MediumRunnable());
->
+            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
->
+            p.execute(r);
->
+            assertFalse(r.done);
+        } finally {
-<
+            one.shutdown();
->
+            joinPool(p);
-–
+        try {
-–
+            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
-–
+            assertTrue(one.isTerminated());
-–
+        } catch(Exception e){
-–
+            fail("unexpected exception");
-–
+        }
+    /**
-<
+     *   purge correctly removes cancelled tasks
-<
+     *  from the queue
->
+     * execute(null) throws NPE
->
+     */
->
+    public void testExecuteNull() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            p.execute(null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {}
->
->
+        joinPool(p);
->
+    }
->
->
+    /**
->
+     * setCorePoolSize of negative value throws IllegalArgumentException
+     */
-<
+    public void testPurge(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        CancellableTask[] tasks = new CancellableTask[5];
-<
+        for(int i = 0; i < 5; i++){
-<
+            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
-<
+            one.execute(tasks[i]);
->
+    public void testCorePoolSizeIllegalArgumentException() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            p.setCorePoolSize(-1);
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
-<
+        tasks[4].cancel(true);
-<
+        tasks[3].cancel(true);
-<
+        one.purge();
-<
+        long count = one.getTaskCount();
-<
+        assertTrue(count >= 2 && count < 5);
-<
+        joinPool(one);
->
+        joinPool(p);
+    /**
-<
+     *   shutDownNow returns a list
-<
+     *  containing the correct number of elements
->
+     * setMaximumPoolSize(int) throws IllegalArgumentException if
->
+     * given a value less the core pool size
+     */
-<
+    public void testShutDownNow(){
-<
+        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+        List l;
->
+    public void testMaximumPoolSizeIllegalArgumentException() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 3,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
+        try {
-<
+            for(int i = 0; i < 5; i++)
-<
+                one.execute(new MediumPossiblyInterruptedRunnable());
->
+            p.setMaximumPoolSize(1);
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
-<
+        finally {
-<
+            l = one.shutdownNow();
->
+        joinPool(p);
->
+    }
->
->
+    /**
->
+     * setMaximumPoolSize throws IllegalArgumentException
->
+     * if given a negative value
->
+     */
->
+    public void testMaximumPoolSizeIllegalArgumentException2() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 3,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            p.setMaximumPoolSize(-1);
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
-<
+        assertTrue(one.isShutdown());
-<
+        assertTrue(l.size() <= 4);
->
+        joinPool(p);
-<
+    // Exception Tests
-<
->
+    /**
->
+     * Configuration changes that allow core pool size greater than
->
+     * max pool size result in IllegalArgumentException.
->
+     */
->
+    public void testPoolSizeInvariants() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        for (int s = 1; s < 5; s++) {
->
+            p.setMaximumPoolSize(s);
->
+            p.setCorePoolSize(s);
->
+            try {
->
+                p.setMaximumPoolSize(s - 1);
->
+                shouldThrow();
->
+            } catch (IllegalArgumentException success) {}
->
+            assertEquals(s, p.getCorePoolSize());
->
+            assertEquals(s, p.getMaximumPoolSize());
->
+            try {
->
+                p.setCorePoolSize(s + 1);
->
+                shouldThrow();
->
+            } catch (IllegalArgumentException success) {}
->
+            assertEquals(s, p.getCorePoolSize());
->
+            assertEquals(s, p.getMaximumPoolSize());
->
+        }
->
+        joinPool(p);
->
+    }
-<
+    /** Throws if corePoolSize argument is less than zero */
-<
+    public void testConstructor1() {
-<
+        try{
-<
+            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * setKeepAliveTime throws IllegalArgumentException
->
+     * when given a negative value
->
+     */
->
+    public void testKeepAliveTimeIllegalArgumentException() {
->
+        ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 3,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            p.setKeepAliveTime(-1,MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
-<
+        catch (IllegalArgumentException success){}
->
+        joinPool(p);
-<
-<
+    /** Throws if maximumPoolSize is less than zero */
-<
+    public void testConstructor2() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
->
+    /**
->
+     * terminated() is called on termination
->
+     */
->
+    public void testTerminated() {
->
+        ExtendedTPE p = new ExtendedTPE();
->
+        try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+        assertTrue(p.terminatedCalled());
->
+        joinPool(p);
->
+    }
->
->
+    /**
->
+     * beforeExecute and afterExecute are called when executing task
->
+     */
->
+    public void testBeforeAfter() throws InterruptedException {
->
+        ExtendedTPE p = new ExtendedTPE();
->
+        try {
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() {
->
+                    done.countDown();
->
+                }});
->
+            await(p.afterCalled);
->
+            assertEquals(0, done.getCount());
->
+            assertTrue(p.afterCalled());
->
+            assertTrue(p.beforeCalled());
->
+            try { p.shutdown(); } catch (SecurityException ok) { return; }
->
+        } finally {
->
+            joinPool(p);
-–
+        catch (IllegalArgumentException success){}
-<
-<
+    /** Throws if maximumPoolSize is equal to zero */
-<
+    public void testConstructor3() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
->
+    /**
->
+     * completed submit of callable returns result
->
+     */
->
+    public void testSubmitCallable() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            Future<String> future = e.submit(new StringTask());
->
+            String result = future.get();
->
+            assertSame(TEST_STRING, result);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if keepAliveTime is less than zero */
-<
+    public void testConstructor4() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * completed submit of runnable returns successfully
->
+     */
->
+    public void testSubmitRunnable() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            Future<?> future = e.submit(new NoOpRunnable());
->
+            future.get();
->
+            assertTrue(future.isDone());
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if corePoolSize is greater than the maximumPoolSize */
-<
+    public void testConstructor5() {
-<
+        try{
-<
+            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * completed submit of (runnable, result) returns result
->
+     */
->
+    public void testSubmitRunnable2() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
->
+            String result = future.get();
->
+            assertSame(TEST_STRING, result);
->
+        } finally {
->
+            joinPool(e);
->
+        }
->
+    }
->
->
+    /**
->
+     * invokeAny(null) throws NPE
->
+     */
->
+    public void testInvokeAny1() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAny(null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
-<
+    /** Throws if workQueue is set to null */
-<
+    public void testNullPointerException() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
->
+    /**
->
+     * invokeAny(empty collection) throws IAE
->
+     */
->
+    public void testInvokeAny2() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAny(new ArrayList<Callable<String>>());
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-–
-<
-<
+    /** Throws if corePoolSize argument is less than zero */
-<
+    public void testConstructor6() {
-<
+        try{
-<
+            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
-<
+        } catch (IllegalArgumentException success){}
->
+    /**
->
+     * invokeAny(c) throws NPE if c has null elements
->
+     */
->
+    public void testInvokeAny3() throws Exception {
->
+        final CountDownLatch latch = new CountDownLatch(1);
->
+        final ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(latchAwaitingStringTask(latch));
->
+        l.add(null);
->
+        try {
->
+            e.invokeAny(l);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            latch.countDown();
->
+            joinPool(e);
->
+        }
-<
-<
+    /** Throws if maximumPoolSize is less than zero */
-<
+    public void testConstructor7() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
->
+    /**
->
+     * invokeAny(c) throws ExecutionException if no task completes
->
+     */
->
+    public void testInvokeAny4() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new NPETask());
->
+        try {
->
+            e.invokeAny(l);
->
+            shouldThrow();
->
+        } catch (ExecutionException success) {
->
+            assertTrue(success.getCause() instanceof NullPointerException);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if maximumPoolSize is equal to zero */
-<
+    public void testConstructor8() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * invokeAny(c) returns result of some task
->
+     */
->
+    public void testInvokeAny5() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+            l.add(new StringTask());
->
+            l.add(new StringTask());
->
+            String result = e.invokeAny(l);
->
+            assertSame(TEST_STRING, result);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if keepAliveTime is less than zero */
-<
+    public void testConstructor9() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * invokeAll(null) throws NPE
->
+     */
->
+    public void testInvokeAll1() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAll(null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if corePoolSize is greater than the maximumPoolSize */
-<
+    public void testConstructor10() {
-<
+        try{
-<
+            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * invokeAll(empty collection) returns empty collection
->
+     */
->
+    public void testInvokeAll2() throws InterruptedException {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
->
+            assertTrue(r.isEmpty());
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if workQueue is set to null */
-<
+    public void testNullPointerException2() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * invokeAll(c) throws NPE if c has null elements
->
+     */
->
+    public void testInvokeAll3() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new StringTask());
->
+        l.add(null);
->
+        try {
->
+            e.invokeAll(l);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
+    /** Throws if threadFactory is set to null */
-<
+    public void testNullPointerException3() {
-<
+        try{
-<
+            ThreadFactory f = null;
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * get of element of invokeAll(c) throws exception on failed task
->
+     */
->
+    public void testInvokeAll4() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+            l.add(new NPETask());
->
+            List<Future<String>> futures = e.invokeAll(l);
->
+            assertEquals(1, futures.size());
->
+            try {
->
+                futures.get(0).get();
->
+                shouldThrow();
->
+            } catch (ExecutionException success) {
->
+                assertTrue(success.getCause() instanceof NullPointerException);
->
+            }
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
-<
-<
+    /** Throws if corePoolSize argument is less than zero */
-<
+    public void testConstructor11() {
-<
+        try{
-<
+            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
->
+    /**
->
+     * invokeAll(c) returns results of all completed tasks
->
+     */
->
+    public void testInvokeAll5() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+            l.add(new StringTask());
->
+            l.add(new StringTask());
->
+            List<Future<String>> futures = e.invokeAll(l);
->
+            assertEquals(2, futures.size());
->
+            for (Future<String> future : futures)
->
+                assertSame(TEST_STRING, future.get());
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if maximumPoolSize is less than zero */
-<
+    public void testConstructor12() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAny(null) throws NPE
->
+     */
->
+    public void testTimedInvokeAny1() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if maximumPoolSize is equal to zero */
-<
+    public void testConstructor13() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAny(,,null) throws NPE
->
+     */
->
+    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new StringTask());
->
+        try {
->
+            e.invokeAny(l, MEDIUM_DELAY_MS, null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if keepAliveTime is less than zero */
-<
+    public void testConstructor14() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAny(empty collection) throws IAE
->
+     */
->
+    public void testTimedInvokeAny2() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (IllegalArgumentException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if corePoolSize is greater than the maximumPoolSize */
-<
+    public void testConstructor15() {
-<
+        try{
-<
+            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAny(c) throws NPE if c has null elements
->
+     */
->
+    public void testTimedInvokeAny3() throws Exception {
->
+        final CountDownLatch latch = new CountDownLatch(1);
->
+        final ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(latchAwaitingStringTask(latch));
->
+        l.add(null);
->
+        try {
->
+            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            latch.countDown();
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if workQueue is set to null */
-<
+    public void testNullPointerException4() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * timed invokeAny(c) throws ExecutionException if no task completes
->
+     */
->
+    public void testTimedInvokeAny4() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new NPETask());
->
+        try {
->
+            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (ExecutionException success) {
->
+            assertTrue(success.getCause() instanceof NullPointerException);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
+    /** Throws if handler is set to null */
-<
+    public void testNullPointerException5() {
-<
+        try{
-<
+            RejectedExecutionHandler r = null;
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * timed invokeAny(c) returns result of some task
->
+     */
->
+    public void testTimedInvokeAny5() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+            l.add(new StringTask());
->
+            l.add(new StringTask());
->
+            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            assertSame(TEST_STRING, result);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
-<
+    /** Throws if corePoolSize argument is less than zero */
-<
+    public void testConstructor16() {
-<
+        try{
-<
+            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAll(null) throws NPE
->
+     */
->
+    public void testTimedInvokeAll1() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if maximumPoolSize is less than zero */
-<
+    public void testConstructor17() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAll(,,null) throws NPE
->
+     */
->
+    public void testTimedInvokeAllNullTimeUnit() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new StringTask());
->
+        try {
->
+            e.invokeAll(l, MEDIUM_DELAY_MS, null);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if maximumPoolSize is equal to zero */
-<
+    public void testConstructor18() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAll(empty collection) returns empty collection
->
+     */
->
+    public void testTimedInvokeAll2() throws InterruptedException {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
->
+            assertTrue(r.isEmpty());
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if keepAliveTime is less than zero */
-<
+    public void testConstructor19() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * timed invokeAll(c) throws NPE if c has null elements
->
+     */
->
+    public void testTimedInvokeAll3() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new StringTask());
->
+        l.add(null);
->
+        try {
->
+            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
->
+            shouldThrow();
->
+        } catch (NullPointerException success) {
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if corePoolSize is greater than the maximumPoolSize */
-<
+    public void testConstructor20() {
-<
+        try{
-<
+            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");
->
+    /**
->
+     * get of element of invokeAll(c) throws exception on failed task
->
+     */
->
+    public void testTimedInvokeAll4() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+        l.add(new NPETask());
->
+        List<Future<String>> futures =
->
+            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
->
+        assertEquals(1, futures.size());
->
+        try {
->
+            futures.get(0).get();
->
+            shouldThrow();
->
+        } catch (ExecutionException success) {
->
+            assertTrue(success.getCause() instanceof NullPointerException);
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (IllegalArgumentException success){}
-<
+    /** Throws if workQueue is set to null */
-<
+    public void testNullPointerException6() {
-<
+        try{
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * timed invokeAll(c) returns results of all completed tasks
->
+     */
->
+    public void testTimedInvokeAll5() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            List<Callable<String>> l = new ArrayList<Callable<String>>();
->
+            l.add(new StringTask());
->
+            l.add(new StringTask());
->
+            List<Future<String>> futures =
->
+                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
->
+            assertEquals(2, futures.size());
->
+            for (Future<String> future : futures)
->
+                assertSame(TEST_STRING, future.get());
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
+    /** Throws if handler is set to null */
-<
+    public void testNullPointerException7() {
-<
+        try{
-<
+            RejectedExecutionHandler r = null;
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * timed invokeAll(c) cancels tasks not completed by timeout
->
+     */
->
+    public void testTimedInvokeAll6() throws Exception {
->
+        ExecutorService e =
->
+            new ThreadPoolExecutor(2, 2,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        try {
->
+            for (long timeout = timeoutMillis();;) {
->
+                List<Callable<String>> tasks = new ArrayList<>();
->
+                tasks.add(new StringTask("0"));
->
+                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
->
+                tasks.add(new StringTask("2"));
->
+                long startTime = System.nanoTime();
->
+                List<Future<String>> futures =
->
+                    e.invokeAll(tasks, timeout, MILLISECONDS);
->
+                assertEquals(tasks.size(), futures.size());
->
+                assertTrue(millisElapsedSince(startTime) >= timeout);
->
+                for (Future future : futures)
->
+                    assertTrue(future.isDone());
->
+                assertTrue(futures.get(1).isCancelled());
->
+                try {
->
+                    assertEquals("0", futures.get(0).get());
->
+                    assertEquals("2", futures.get(2).get());
->
+                    break;
->
+                } catch (CancellationException retryWithLongerTimeout) {
->
+                    timeout *= 2;
->
+                    if (timeout >= LONG_DELAY_MS / 2)
->
+                        fail("expected exactly one task to be cancelled");
->
+                }
->
+            }
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException success){}
-<
+    /** Throws if ThreadFactory is set top null */
-<
+    public void testNullPointerException8() {
-<
+        try{
-<
+            ThreadFactory f = null;
-<
+            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
-<
+            fail("ThreadPoolExecutor constructor should throw a NullPointerException");
->
+    /**
->
+     * Execution continues if there is at least one thread even if
->
+     * thread factory fails to create more
->
+     */
->
+    public void testFailingThreadFactory() throws InterruptedException {
->
+        final ExecutorService e =
->
+            new ThreadPoolExecutor(100, 100,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new LinkedBlockingQueue<Runnable>(),
->
+                                   new FailingThreadFactory());
->
+        try {
->
+            final int TASKS = 100;
->
+            final CountDownLatch done = new CountDownLatch(TASKS);
->
+            for (int k = 0; k < TASKS; ++k)
->
+                e.execute(new CheckedRunnable() {
->
+                    public void realRun() {
->
+                        done.countDown();
->
+                    }});
->
+            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
->
+        } finally {
->
+            joinPool(e);
-–
+        catch (NullPointerException successdn8){}
-–
+    /**
-<
+     *   execute will throw RejectedExcutionException
-<
+     *  ThreadPoolExecutor will throw one when more runnables are
-<
+     *  executed then will fit in the Queue.
->
+     * allowsCoreThreadTimeOut is by default false.
+     */
-<
+    public void testRejectedExecutionException(){
-<
+        ThreadPoolExecutor tpe = null;
-<
+        try{
-<
+            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
-<
+        } catch(Exception e){}
-<
+        tpe.shutdown();
-<
+        try{
-<
+            tpe.execute(new NoOpRunnable());
-<
+            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
-<
+        } catch(RejectedExecutionException success){}
-<
-<
+        joinPool(tpe);
->
+    public void testAllowsCoreThreadTimeOut() {
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 2,
->
+, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        assertFalse(p.allowsCoreThreadTimeOut());
->
+        joinPool(p);
-<
->
+    /**
-<
+     *   setCorePoolSize will throw IllegalArgumentException
-<
+     *  when given a negative
->
+     * allowCoreThreadTimeOut(true) causes idle threads to time out
+     */
-<
+    public void testCorePoolSizeIllegalArgumentException(){
-<
+        ThreadPoolExecutor tpe = null;
-<
+        try{
-<
+            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
-<
+        } catch(Exception e){}
-<
+        try{
-<
+            tpe.setCorePoolSize(-1);
-<
+            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
-<
+        } catch(IllegalArgumentException success){
->
+    public void testAllowCoreThreadTimeOut_true() throws Exception {
->
+        long keepAliveTime = timeoutMillis();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 10,
->
+                                   keepAliveTime, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        final CountDownLatch threadStarted = new CountDownLatch(1);
->
+        try {
->
+            p.allowCoreThreadTimeOut(true);
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() {
->
+                    threadStarted.countDown();
->
+                    assertEquals(1, p.getPoolSize());
->
+                }});
->
+            await(threadStarted);
->
+            delay(keepAliveTime);
->
+            long startTime = System.nanoTime();
->
+            while (p.getPoolSize() > 0
->
+                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
->
+                Thread.yield();
->
+            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
->
+            assertEquals(0, p.getPoolSize());
+        } finally {
-<
+            tpe.shutdown();
->
+            joinPool(p);
-<
+        joinPool(tpe);
-<
+    }
->
+    }
-–
+    /**
-<
+     *   setMaximumPoolSize(int) will throw IllegalArgumentException
-<
+     *  if given a value less the it's actual core pool size
-<
+     */
-<
+    public void testMaximumPoolSizeIllegalArgumentException(){
-<
+        ThreadPoolExecutor tpe = null;
-<
+        try{
-<
+            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
-<
+        } catch(Exception e){}
-<
+        try{
-<
+            tpe.setMaximumPoolSize(1);
-<
+            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
-<
+        } catch(IllegalArgumentException success){
->
+     * allowCoreThreadTimeOut(false) causes idle threads not to time out
->
+     */
->
+    public void testAllowCoreThreadTimeOut_false() throws Exception {
->
+        long keepAliveTime = timeoutMillis();
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(2, 10,
->
+                                   keepAliveTime, MILLISECONDS,
->
+                                   new ArrayBlockingQueue<Runnable>(10));
->
+        final CountDownLatch threadStarted = new CountDownLatch(1);
->
+        try {
->
+            p.allowCoreThreadTimeOut(false);
->
+            p.execute(new CheckedRunnable() {
->
+                public void realRun() throws InterruptedException {
->
+                    threadStarted.countDown();
->
+                    assertTrue(p.getPoolSize() >= 1);
->
+                }});
->
+            delay(2 * keepAliveTime);
->
+            assertTrue(p.getPoolSize() >= 1);
+        } finally {
-<
+            tpe.shutdown();
->
+            joinPool(p);
-–
+        joinPool(tpe);
-<
->
+    /**
-<
+     *   setMaximumPoolSize will throw IllegalArgumentException
-<
+     *  if given a negative number
->
+     * execute allows the same task to be submitted multiple times, even
->
+     * if rejected
+     */
-<
+    public void testMaximumPoolSizeIllegalArgumentException2(){
-<
+        ThreadPoolExecutor tpe = null;
-<
+        try{
-<
+            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
-<
+        } catch(Exception e){}
-<
+        try{
-<
+            tpe.setMaximumPoolSize(-1);
-<
+            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
-<
+        } catch(IllegalArgumentException success){
->
+    public void testRejectedRecycledTask() throws InterruptedException {
->
+        final int nTasks = 1000;
->
+        final CountDownLatch done = new CountDownLatch(nTasks);
->
+        final Runnable recycledTask = new Runnable() {
->
+            public void run() {
->
+                done.countDown();
->
+            }};
->
+        final ThreadPoolExecutor p =
->
+            new ThreadPoolExecutor(1, 30,
->
+, SECONDS,
->
+                                   new ArrayBlockingQueue(30));
->
+        try {
->
+            for (int i = 0; i < nTasks; ++i) {
->
+                for (;;) {
->
+                    try {
->
+                        p.execute(recycledTask);
->
+                        break;
->
+                    }
->
+                    catch (RejectedExecutionException ignore) {}
->
+                }
->
+            }
->
+            // enough time to run all tasks
->
+            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
+        } finally {
-<
+            tpe.shutdown();
->
+            joinPool(p);
-–
+        joinPool(tpe);
-–
+    /**
-<
+     *   setKeepAliveTime will throw IllegalArgumentException
-<
+     *  when given a negative value
->
+     * get(cancelled task) throws CancellationException
+     */
-<
+    public void testKeepAliveTimeIllegalArgumentException(){
-<
+        ThreadPoolExecutor tpe = null;
-<
+        try{
-<
+            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
-<
+        } catch(Exception e){}
-<
-<
+        try{
-<
+            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
-<
+            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
-<
+        } catch(IllegalArgumentException success){
->
+    public void testGet_cancelled() throws Exception {
->
+        final ExecutorService e =
->
+            new ThreadPoolExecutor(1, 1,
->
+                                   LONG_DELAY_MS, MILLISECONDS,
->
+                                   new LinkedBlockingQueue<Runnable>());
->
+        try {
->
+            final CountDownLatch blockerStarted = new CountDownLatch(1);
->
+            final CountDownLatch done = new CountDownLatch(1);
->
+            final List<Future<?>> futures = new ArrayList<>();
->
+            for (int i = 0; i < 2; i++) {
->
+                Runnable r = new CheckedRunnable() { public void realRun()
->
+                                                         throws Throwable {
->
+                    blockerStarted.countDown();
->
+                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
->
+                }};
->
+                futures.add(e.submit(r));
->
+            }
->
+            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
->
+            for (Future<?> future : futures) future.cancel(false);
->
+            for (Future<?> future : futures) {
->
+                try {
->
+                    future.get();
->
+                    shouldThrow();
->
+                } catch (CancellationException success) {}
->
+                try {
->
+                    future.get(LONG_DELAY_MS, MILLISECONDS);
->
+                    shouldThrow();
->
+                } catch (CancellationException success) {}
->
+                assertTrue(future.isCancelled());
->
+                assertTrue(future.isDone());
->
+            }
->
+            done.countDown();
+        } finally {
-<
+            tpe.shutdown();
->
+            joinPool(e);
-–
+        joinPool(tpe);
-<
->

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents): Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs. Revision 1.90 by jsr166, Sun Oct 4 03:07:31 2015 UTC

Diff Legend

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.90 by jsr166, Sun Oct 4 03:07:31 2015 UTC