make tests use non-simple arrays for completeness

		      (- (length byte-vector) (1- bytesize))

		      (truncate n-bytes-to-read bytesize)))

        (ev (make-array n-values

                        :element-type `(,byte-kind ,bitsize)))

                        :element-type `(,byte-kind ,bitsize)

			:adjustable t))

        (i 0 (1+ i))

        (j 0)

        (combiner (make-byte-combiner bytesize big-endian-p)))