@Override
            public int getFieldNumber(String name)
            {
                return name.length() == 1 && name.charAt(0) == 'w' ? 1 : 0;
            }
Testing for xml ser/deser against messages.

@author David Yu
@created May 24, 2010
protostuff-xml/src/test/java/io/protostuff/XmlCoreSerDeserTest.java