Added tests for reverse and intToBytes

#story[829]

src/test/java/seng302/server/TestMessage.java

@@ -9,12 +9,11 @@ import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.List;
 
+import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
 
 public class TestMessage {
     private static int XML_MESSAGE_LEN = 14;
-    private static int RACE_STATUS_BASE_LEN = 24;
-    private static int BOAT_SUB_MESSAGE_LEN = 20;
     private static int CRC_LEN = 4;
 
 
@@ -27,5 +26,31 @@ public class TestMessage {
         assertTrue(m.getSize() == (XML_MESSAGE_LEN + "12345".length()));
     }
 
+    @Test
+    public void testMessageBytesReverse(){
+        byte[] bytes = {1,2,3,4,5};
+        Message.reverse(bytes);
+
+        int testValue = 1;
+        for (int i = 5; i > 0; i--){
+            assertEquals((byte) testValue, bytes[i-1]);
+            testValue++;
+        }
+    }
+
+    @Test
+    public void testIntToByteArray(){
+        long originalValue = 0x5050;
+        long testValue = 0;
+
+        byte[] bytes = Message.intToByteArray(originalValue, 6);
+        Message.reverse(bytes);
+
+        for (int i = 0; i < bytes.length; i++){
+            testValue += ((long) bytes[i] & 0xffL) << (8 * i);
+        }
+
+        assertEquals(originalValue, testValue);
+    }
 
 }