ETHREEOH-4181 - Binary files are often saved as zero bytes, or truncated to a multiple of 8 bytes

- Adding more coverage to the unit test to verify that this never happens.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19149 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/avm/AVMNodeDescriptor.java

@@ -376,7 +376,10 @@ public class AVMNodeDescriptor implements Serializable
 
     /**
      * Get the path that this node was looked up by.
-     * @return The path by which this was looked up.
+     * 
+     * The format is the full store reference.  Consisting of the store + ":" + path
+     * e.g. 79170e-675e-4b35-b1b1-3aee463c170b:/avm/ibatis/.svn/tmp/text-base
+     * @return The full path of this AVM node.
      */
     public String getPath()
     {