Implement NDP-related classes

* Resolve ONOS-511
* Refactor: Move NDP-related classes into org.onlab.packet.ndp package
* Bugfix: payload is not properly set in testSerialize

Change-Id: Idb2dbfbd0297152c0e26ac2d5d5f8dba62824660
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java
new file mode 100644
index 0000000..a5ce194
--- /dev/null
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed 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.onlab.packet.ndp;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onlab.packet.Data;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests for class {@link RouterSolicitation}.
+ */
+public class RouterSolicitationTest {
+    private static final byte[] OPTION = {
+        (byte) 0x01, (byte) 0x08, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01
+    };
+    private static Data data;
+    private static byte[] bytePacket;
+
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+        data = new Data();
+        data.setData(OPTION);
+
+        byte[] bytePayload = data.serialize();
+        byte[] byteHeader = {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00};
+        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
+        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
+    }
+
+    /**
+     * Tests serialize and setters.
+     */
+    @Test
+    public void testSerialize() {
+        RouterSolicitation rs = new RouterSolicitation();
+        rs.setPayload(data);
+
+        assertArrayEquals(rs.serialize(), bytePacket);
+    }
+
+    /**
+     * Tests deserialize and getters.
+     */
+    @Test
+    public void testDeserialize() {
+        RouterSolicitation rs = new RouterSolicitation();
+        rs.deserialize(bytePacket, 0, bytePacket.length);
+    }
+
+    /**
+     * Tests comparator.
+     */
+    @Test
+    public void testEqual() {
+        RouterSolicitation rs1 = new RouterSolicitation();
+
+        assertTrue(rs1.equals(rs1));
+    }
+}