Distribution: []int{9, 10, 1, 2, 3, 4, 5, 6, 7, 8},
	}
	xlMeta.Stat = StatInfo{
		Size:    int64(20),
		ModTime: UTCNow(),
	}
	// Set meta data.
	xlMeta.Meta = make(map[string]string)
	xlMeta.Meta["testKey1"] = "val1"
	xlMeta.Meta["testKey2"] = "val2"
	return xlMeta
}

func (m *xlMetaV1Object) AddTestObjectCheckSum(partNumber int, algorithm BitrotAlgorithm, hash string) {
	checksum, err := hex.DecodeString(hash)

	}
	if !isXL2V1Format(e.metadata) {
		return false
	}
	if meta, _, err := isIndexedMetaV2(e.metadata); meta != nil {
		return meta.IsLatestDeleteMarker()
	} else if err != nil {
		return true
	}
	// Fall back...
	xlMeta, err := e.xlmeta()
	if err != nil || len(xlMeta.versions) == 0 {
		return true
	}
	return xlMeta.versions[0].header.Type == DeleteType
}

		versions, err = buf.ListVersions(volume, path, allParts)
	} else {
		var xlMeta xlMetaV2
		if err := xlMeta.LoadOrConvert(xlMetaBuf); err != nil {
			return FileInfoVersions{}, err
		}
		versions, err = xlMeta.ListVersions(volume, path, allParts)
	}
	if err == nil && len(versions) == 0 {
		// This special case is needed to handle len(xlMeta.versions) == 0
		versions = []FileInfo{
			{
				Volume:   volume,

	defer metaDataPoolPut(buf)

	if !isXL2V1Format(buf) {
		return errFileVersionNotFound
	}

	var xlMeta xlMetaV2
	if err = xlMeta.Load(buf); err != nil {
		return err
	}

	if err = xlMeta.UpdateObjectVersion(fi); err != nil {
		return err
	}

	wbuf, err := xlMeta.AppendTo(metaDataPoolGet())
	if err != nil {
		return err
	}
	defer metaDataPoolPut(wbuf)

	testCases := []struct {
		xlmeta xlMetaV2Object
		uses   bool
	}{
		{ // transitioned object version
			xlmeta: xlMetaV2Object{
				VersionID: vID,
				DataDir:   dataDir,
				MetaSys:   transitioned,
			},
			uses: false,
		},
		{ // to be restored (requires object version to be transitioned)
			xlmeta: xlMetaV2Object{
				VersionID: vID,
				DataDir:   dataDir,

func decodeVersions(buf []byte, versions int, fn func(idx int, hdr, meta []byte) error) (e error) {
	var tHdr, tMeta []byte // Zero copy bytes
	for i := 0; i < versions; i++ {
		tHdr, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		tMeta, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		if e = fn(i, tHdr, tMeta); e != nil {
			return e
		}
	}
	return nil
}

		} else {
			versions = append(versions, fi)
			allVersionIDs = append(allVersionIDs, fi.VersionID)
		}
	}
	buf, err := xl.AppendTo(nil)
	if err != nil {
		t.Fatalf("Failed to serialize xlmeta %v", err)
	}
	fivs, err := getFileInfoVersions(buf, basefi.Volume, basefi.Name, false)
	if err != nil {
		t.Fatalf("getFileInfoVersions failed: %v", err)
	}
	chkNumVersions := func(fis []FileInfo) bool {

}

// Load all versions of the stored data.
// Note that references to the incoming buffer will be kept.
func (x *xlMetaV2) Load(buf []byte) error {
	if meta, data, err := isIndexedMetaV2(buf); err != nil {
		return err
	} else if meta != nil {
		return x.loadIndexed(meta, data)
	}
	// Convert older format.
	return x.loadLegacy(buf)
}

func (x *xlMetaV2) loadIndexed(buf xlMetaBuf, data xlMetaInlineData) error {

		}

		// Always check data, if we got it.
		if (len(meta.Data) > 0 || meta.Size == 0) && len(meta.Parts) > 0 {
			checksumInfo := meta.Erasure.GetChecksumInfo(meta.Parts[0].Number)
			verifyErr := bitrotVerify(bytes.NewReader(meta.Data),
				int64(len(meta.Data)),
				meta.Erasure.ShardFileSize(meta.Size),
				checksumInfo.Algorithm,
				checksumInfo.Hash, meta.Erasure.ShardSize())
			dataErrsByPart[0][i] = convPartErrToInt(verifyErr)

				}
				if gotSelected != nil {
					gotSelected.cached = nil
					gotSelected.reusable = false
				}
				if !reflect.DeepEqual(gotSelected, tt.wantSelected) {
					wantM, _ := tt.wantSelected.xlmeta()
					gotM, _ := gotSelected.xlmeta()
					t.Errorf("resolve() gotSelected = \n%#v, want \n%#v", *gotM, *wantM)
				}
			})
		}
	}