}
	// This case does not happen
	return false
}

func stringCompare(op string, left, right string) bool {
	switch op {
	case opLt:
		return left < right
	case opLte:
		return left <= right
	case opGt:
		return left > right
	case opGte:
		return left >= right
	case opEq:
		return left == right
	case opIneq:
		return left != right
	}
	// This case does not happen
	return false
}

	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":
		return ChecksumSHA1
	case "SHA256":
		return ChecksumSHA256
	case "":
		return ChecksumNone
	}
	return ChecksumInvalid
}

// String returns the type as a string.
func (c ChecksumType) String() string {
	switch {
	case c.Is(ChecksumCRC32):
		return "CRC32"

			o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(&HTTPRangeSpec{false, skipLen, skipLen + readLen - 1})
			if err != nil {
				t.Errorf("Case %d: unexpected err: %v", i, err)
			}

			oRef, lRef, skipRef, snRef, psRef := decryptedRangeRef(test.decSizes, skipLen, readLen, false)
			if o != oRef || l != lRef || skip != skipRef || sn != snRef || ps != psRef {
				t.Errorf("Case %d: test failed: %d %d %d %d %d (Ref: %d %d %d %d %d)",

	if err != nil {
		t.Fatalf("Failed to putObject %v", err)
	}

	parts1, errs1 := readAllFileInfo(ctx, erasureDisks, "", bucket, object1, "", false, false)
	parts1SC := globalStorageClass

	// Object for test case 2 - No StorageClass defined, MetaData in PutObject requesting RRS Class
	object2 := "object2"
	metadata2 := make(map[string]string)
	metadata2["x-amz-storage-class"] = storageclass.RRS

			size: 200,
		},
	}
	createUsageTestFiles(t, base, bucket, files)
	err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
	if err != nil {
		t.Fatal(err)
	}
	// Changed dir must be picked up in this many cycles.
	for i := 0; i < dataUsageUpdateDirCycles; i++ {
		got, err = scanDataFolder(context.Background(), nil, base, got, getSize, 0, weSleep)
		got.Info.NextCycle++
		if err != nil {

	defer z.rebalMu.RUnlock()

	r := z.rebalMeta
	if r == nil {
		return "", false
	}

	ps := r.PoolStats[poolIdx]
	if ps == nil {
		return "", false
	}

	if ps.Info.Status == rebalCompleted || !ps.Participating {
		return "", false
	}

	if len(ps.Buckets) == 0 {
		return "", false
	}

	return ps.Buckets[0], true
}

	if h, ok := sys.hc[ep.Host]; ok {
		return !h.Online
	}
	go sys.initHC(ep)
	return false
}

// markOffline sets endpoint to offline if network i/o timeout seen.
func (sys *BucketTargetSys) markOffline(ep *url.URL) {
	sys.hMutex.Lock()
	defer sys.hMutex.Unlock()
	if h, ok := sys.hc[ep.Host]; ok {
		h.Online = false
		sys.hc[ep.Host] = h
	}
}

func (sys *BucketTargetSys) initHC(ep *url.URL) {

	switch getRequestAuthType(r) {
	case authTypeUnknown, authTypeStreamingSigned:
		return ErrSignatureVersionNotSupported
	case authTypePresignedV2, authTypeSignedV2:
		if s3Err = isReqAuthenticatedV2(r); s3Err != ErrNone {
			return s3Err
		}
		cred, owner, s3Err = getReqAccessKeyV2(r)
	case authTypeSigned, authTypePresigned:
		region := globalSite.Region
		switch action {

			size:       4,
			actualSize: 4,
			md5hex:     "invalid-md5",
			success:    false,
		},
		{
			desc:       "Invalid sha256 NewReader() will fail.",
			src:        bytes.NewReader([]byte("abcd")),
			size:       4,
			actualSize: 4,
			sha256hex:  "invalid-sha256",
			success:    false,
		},
		{
			desc:       "Nested hash reader NewReader() should merge.",

	// fmt.Printf("actual: %v offset: %v (%v) whence: %v\n", rsc.size, offset, rsc.offset, whence)
	switch whence {
	case io.SeekStart:
		rsc.offset = offset
	case io.SeekCurrent:
		rsc.offset += offset
	case io.SeekEnd:
		rsc.offset = rsc.size + offset
	}
	if rsc.offset < 0 {
		return rsc.offset, errors.New("seek to invalid negative offset")
	}