Backport support for nio udp multicast to 3 branch. See #216

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

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2012 The Netty Project
+ *
+ * The Netty Project 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 org.jboss.netty.util.internal.DetectionUtil;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.StandardProtocolFamily;
+import java.nio.channels.DatagramChannel;
+
+import junit.framework.Assert;
+
+import org.junit.Test;
+
+public class DefaultNioDatagramChannelConfigTest {
+
+    @Test
+    public void testMulticastOptions() throws IOException {
+        if (DetectionUtil.javaVersion() < 7) {
+            return;
+        }
+        DefaultNioDatagramChannelConfig config = new DefaultNioDatagramChannelConfig(DatagramChannel.open(StandardProtocolFamily.INET));
+        NetworkInterface inf = NetworkInterface.getNetworkInterfaces().nextElement();
+        config.setNetworkInterface(inf);
+        Assert.assertEquals(inf, config.getNetworkInterface());
+        
+        InetAddress localhost = inf.getInetAddresses().nextElement();
+        config.setInterface(localhost);
+        Assert.assertEquals(localhost, config.getInterface());
+        
+        config.setTimeToLive(100);
+        Assert.assertEquals(100, config.getTimeToLive());
+        
+        config.setLoopbackModeDisabled(false);
+        Assert.assertEquals(false, config.isLoopbackModeDisabled());
+
+    }
+}