--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/management/jdp/PacketTest.java	Fri Nov 08 18:16:12 2013 +0100
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.UUID;
+
+import org.testng.annotations.Test;
+import sun.management.jdp.JdpJmxPacket;
+
+import static org.testng.Assert.assertEquals;
+
+
+/**
+ * These tests are unit tests used for test development.
+ * These are not meant to be by automatically run by JTREG.
+ * They exists to support test development and should be run by the test developer.
+ * <p/>
+ * <p/>
+ * The JDP packet format:
+ * <p/>
+ * packet = header + payload
+ * <p/>
+ * header  = magic + version
+ * magic       = 4 bytes: 0xCOFFEE42
+ * version     = 2 bytes: 01 (As of 2013-05-01)
+ * <p/>
+ * payload = list key/value pairs
+ * keySize     = 2 bytes
+ * key         = (keySize) bytes
+ * valueSize   = 2 bytes
+ * value       = (valueSize) bytes
+ * <p/>
+ * <p/>
+ * Two entries are mandatory in the payload:
+ * UUID            (JdpJmxPacket.UUID_KEY)
+ * JMX service URL (JdpJmxPacket.JMX_SERVICE_URL_KEY)
+ * <p/>
+ * These two entries are optional:
+ * Main Class      (JdpJmxPacket.MAIN_CLASS_KEY)
+ * Instance name   (JdpJmxPacket.INSTANCE_NAME_KEY)
+ *
+ * @author Alex Schenkman
+ *         <p/>
+ *         Using TestNG framework.
+ */
+public class PacketTest {
+
+    final int MAGIC = 0xC0FFEE42;
+    final UUID id = UUID.randomUUID();
+    final String mainClass = "org.happy.Feet";
+    final String jmxServiceUrl = "fake://jmxUrl";
+    final String instanceName = "Joe";
+
+    private JdpJmxPacket createDefaultPacket() {
+        JdpJmxPacket packet = new JdpJmxPacket(id, jmxServiceUrl);
+        return packet;
+    }
+
+    private JdpJmxPacket createFullPacket() {
+        JdpJmxPacket packet = new JdpJmxPacket(id, jmxServiceUrl);
+        packet.setMainClass(mainClass);
+        packet.setInstanceName("Joe");
+        return packet;
+    }
+
+    @Test
+    public void testMagic() throws IOException {
+        byte[] rawData = createFullPacket().getPacketData();
+        int magic = JdpTestUtil.decode4ByteInt(rawData, 0);
+        assertEquals(MAGIC, magic, "MAGIC does not match!");
+    }
+
+    @Test
+    public void testVersion() throws IOException {
+        byte[] rawData = createFullPacket().getPacketData();
+        assertEquals(1, JdpTestUtil.decode2ByteInt(rawData, 4));
+    }
+
+    @Test
+    public void testAllEntries() throws IOException {
+        byte[] rawData = createFullPacket().getPacketData();
+        Map<String, String> payload = JdpTestUtil.readPayload(rawData);
+
+        assertEquals(4, payload.size());
+        assertEquals(mainClass, payload.get(JdpJmxPacket.MAIN_CLASS_KEY));
+        assertEquals(id.toString(), payload.get(JdpJmxPacket.UUID_KEY));
+        assertEquals(jmxServiceUrl, payload.get(JdpJmxPacket.JMX_SERVICE_URL_KEY));
+        assertEquals(instanceName, payload.get(JdpJmxPacket.INSTANCE_NAME_KEY));
+    }
+
+    public void testDefaultEntries() throws IOException {
+        byte[] rawData = createDefaultPacket().getPacketData();
+        Map<String, String> payload = JdpTestUtil.readPayload(rawData);
+
+        assertEquals(2, payload.size());
+        assertEquals(id.toString(), payload.get(JdpJmxPacket.UUID_KEY));
+        assertEquals(jmxServiceUrl, payload.get(JdpJmxPacket.JMX_SERVICE_URL_KEY));
+    }
+}