--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/AsynchronousChannelGroup/AsExecutor.java	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+import java.nio.channels.AsynchronousChannelGroup;
+import java.util.concurrent.*;
+
+/**
+ * Test that arbitrary tasks can be submitted to a channel group's thread pool.
+ */
+
+public class AsExecutor {
+
+    public static void main(String[] args) throws Exception {
+        // create channel groups
+        ThreadFactory factory = new PrivilegedThreadFactory();
+        AsynchronousChannelGroup group1 = AsynchronousChannelGroup
+            .withFixedThreadPool(5, factory);
+        AsynchronousChannelGroup group2 = AsynchronousChannelGroup
+            .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
+
+        try {
+            // execute simple tasks
+            testSimpleTask(group1);
+            testSimpleTask(group2);
+
+            // install security manager and test again
+            System.setSecurityManager( new SecurityManager() );
+            testSimpleTask(group1);
+            testSimpleTask(group2);
+
+            // attempt to execute tasks that run with only frames from boot
+            // class loader on the stack.
+            testAttackingTask(group1);
+            testAttackingTask(group2);
+        } finally {
+            group1.shutdown();
+            group2.shutdown();
+        }
+    }
+
+    static void testSimpleTask(AsynchronousChannelGroup group) throws Exception {
+        Executor executor = (Executor)group;
+        final CountDownLatch latch = new CountDownLatch(1);
+        executor.execute(new Runnable() {
+            public void run() {
+                latch.countDown();
+            }
+        });
+        latch.await();
+    }
+
+    static void testAttackingTask(AsynchronousChannelGroup group) throws Exception {
+        Executor executor = (Executor)group;
+        Attack task = new Attack();
+        executor.execute(task);
+        task.waitUntilDone();
+        if (!task.failedDueToSecurityException())
+            throw new RuntimeException("SecurityException expected");
+    }
+
+}