def METHOD_NAME(self):
    """Test the sequence generator without rollover"""
    from boto.sdb.db.sequence import SequenceGenerator
    gen = SequenceGenerator("ABC")
    assert(gen("") == "A")
    assert(gen("A") == "B")
    assert(gen("B") == "C")
    assert(gen("C") == "AA")
    assert(gen("AC") == "BA")