// test feature path not set
path = "/refFeature/refFeature";
featurePath = new FeaturePathImpl();
featurePath.initialize(path);
assertEquals(path, featurePath.getFeaturePath());
featurePath.typeInit(cas.getDocumentAnnotation().getType());
assertEquals(null, featurePath.getTypClass(cas.getDocumentAnnotation()));
assertEquals(null, featurePath.getType(cas.getDocumentAnnotation()));
assertEquals(null, featurePath.getValueAsString(cas
.getDocumentAnnotation()));
assertEquals(null, featurePath.getFSValue(cas.getDocumentAnnotation()));