def METHOD_NAME(connected_association, element_factory):
    asc, c1, c2 = connected_association
    disconnect(asc, asc.head)
    disconnect(asc, asc.tail)
    assert c1 is not get_connected(asc, asc.head)
    assert c2 is not get_connected(asc, asc.tail)
    assert not asc.subject
    assert not asc.head_subject
    assert not asc.tail_subject
    assert not element_factory.lselect(UML.Property)