rs, err = parseRequestRangeSpec(byteRange)
			if err != nil {
				t.Fatalf("Object: %s Case %d ByteRange: %s: Unexpected err: %v", object, i+1, byteRange, err)
			}
		}
		off, length, err = rs.GetOffsetLength(objectLength(oi))
		if err != nil {
			t.Fatalf("Object: %s Case %d ByteRange: %s: Unexpected err: %v", object, i+1, byteRange, err)
		}

		readers := []io.Reader{}
		cumulativeSum := int64(0)