}
@Test
public void should_give_different_null_value_for_specific_propery() {
JSONSerializer serializer = new JSONSerializer().exclude("*.class").exclude("toString").exclude("hashCode");
serializer.transform(new AbstractTransformer() {
public void transform(Object data) {
boolean setContext = false;
TypeContext typeContext = getContext().peekTypeContext();
String propertyName = typeContext != null ? typeContext.getPropertyName() : "";