for i := 0; i < 100; i++ {
				ss = append(ss, fmt.Sprintf("%d\n%d\n", int64(i)<<30, 512))
			}
			return strings.Join(ss, "")
		}()),
		inputHdrs: map[string]string{paxGNUSparseMajor: "1", paxGNUSparseMinor: "0"},
		wantMap: func() (spd sparseDatas) {
			for i := 0; i < 100; i++ {
				spd = append(spd, sparseEntry{int64(i) << 30, 512})
			}
			return spd
		}(),
	}}

	for i, v := range vectors {