Added a test case that makes sure the workaround for the 'spinning selector' bug works.

src/test/java/org/jboss/netty/channel/socket/nio/SpinningSelectorBugTest.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2009 Red Hat, Inc.
+ *
+ * Red Hat licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+package org.jboss.netty.channel.socket.nio;
+
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.concurrent.Executors;
+
+import org.jboss.netty.bootstrap.ClientBootstrap;
+import org.jboss.netty.channel.ChannelFuture;
+import org.jboss.netty.util.DummyHandler;
+import org.junit.Test;
+
+/**
+ * Tests if Netty works around the infamous
+ * <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6403933">'spinning selector' bug</a>.
+ *
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Daniel Bevenius (dbevenius@jboss.com)
+ * @version $Rev$, $Date$
+ */
+public class SpinningSelectorBugTest {
+
+    @Test(timeout = 10000)
+    public void test() throws Exception {
+        ServerSocket ss = new ServerSocket(0);
+
+        ClientBootstrap cb = new ClientBootstrap(new NioClientSocketChannelFactory(
+                Executors.newCachedThreadPool(), Executors.newCachedThreadPool()));
+        cb.getPipeline().addLast("dummy", new DummyHandler());
+        ChannelFuture cf = cb.connect(new InetSocketAddress("127.0.0.1", ss.getLocalPort()));
+        Socket s = ss.accept();
+        cf.awaitUninterruptibly();
+        // TODO cf.ensureSuccess();
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+            // Ignore
+        }
+
+        // Send RST to trigger selector to spin.
+        s.setSoLinger(true, 0);
+        s.close();
+
+        // If selector spins, the client side selector will not notice the closure.
+        cf.getChannel().getCloseFuture().awaitUninterruptibly();
+
+        cb.releaseExternalResources();
+    }
+}