def METHOD_NAME(predicate_value_class_member):
    graph = Graph()
    pointer_class = predicate_value_class_member[0][2]
    add_range_to_graph_helper(graph, predicate_value_class_member)
    range_node = graph.value(predicate=RDF.type, object=POINTER_NAMESPACE.StartEndPointer)
    assert isinstance(range_node, BNode)
    range_dict = parse_ranges(range_node, graph)
    assert pointer_class.fragment in range_dict.keys()
    assert range_dict[pointer_class.fragment][0] is None
    assert range_dict[pointer_class.fragment][1] is None