JenaToOwlConvert j2o = new JenaToOwlConvert();
OntModel model = ModelFactory.createOntologyModel();
DatatypeProperty jp = model.createDatatypeProperty(DP.toString());
OWLDataProperty wp = null;
try{
wp = j2o.DataPropJenaToOwl(jp, RDFXML);
if(wp==null){
fail("Some problem accours");
}else{
assertEquals(wp.getIRI().toURI().toString(), jp.getURI().toString());
}