c.Fatalf("Test %s expected %v, got %v", c.testType, expectedValue, gotValue)
	}
}

func verifyError(c *check, response *http.Response, code, description string, statusCode int) {
	c.Helper()
	data, err := io.ReadAll(response.Body)
	c.Assert(err, nil)
	errorResponse := APIErrorResponse{}
	err = xml.Unmarshal(data, &errorResponse)
	c.Assert(err, nil)
	c.Assert(errorResponse.Code, code)
	c.Assert(errorResponse.Message, description)

	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.WriteAll(ctx, volume, path, b)
}

func (d *naughtyDisk) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
	if err := d.calcError(); err != nil {
		return nil, err
	}
	return d.disk.ReadAll(ctx, volume, path)
}

	if sessionPolicyFile != "" {
		var policy string
		if f, err := os.Open(sessionPolicyFile); err != nil {
			log.Fatalf("Unable to open session policy file: %v", err)
		} else {
			defer f.Close()
			bs, err := io.ReadAll(f)
			if err != nil {
				log.Fatalf("Error reading session policy file: %v", err)
			}
			policy = string(bs)
		}
		stsOpts.Policy = policy
	}
	if expiryDuration != 0 {

		return p.storage.ReadVersion(ctx, origvolume, volume, path, versionID, opts)
	})
}

func (p *xlStorageDiskIDCheck) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricReadAll, volume, path)
	if err != nil {
		return nil, err
	}
	defer done(&err)

	// Error out if Content-Length is beyond allowed size.
	if r.ContentLength > maxBucketPolicySize {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyTooLarge), r.URL)
		return
	}

	bucketPolicyBytes, err := io.ReadAll(io.LimitReader(r.Body, r.ContentLength))
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

			asyncWriters <- struct{}{}
			b := poolBuf128k.Get().([]byte)
			if cap(b) < int(header.Size) {
				b = make([]byte, smallFileThreshold)
			}
			b = b[:header.Size]
			if _, err := io.ReadFull(tarReader, b); err != nil {
				return err
			}
			wg.Add(1)
			go func(name string, fi fs.FileInfo, b []byte) {
				rc := disconnectReader{r: bytes.NewReader(b)}
				defer func() {
					rc.Close()

	}
	return false
}

// Returns SHA256 for calculating canonical-request.
func getContentSha256Cksum(r *http.Request, stype serviceType) string {
	if stype == serviceSTS {
		payload, err := io.ReadAll(io.LimitReader(r.Body, stsRequestBodyLimit))
		if err != nil {
			logger.CriticalIf(GlobalContext, err)
		}
		sum256 := sha256.Sum256(payload)
		r.Body = io.NopCloser(bytes.NewReader(payload))

		if err != nil {
			t.Fatalf("Test %d: failed to create ErasureStorage: %v", i, err)
		}
		data := make([]byte, test.size)
		if _, err = io.ReadFull(rand.Reader, data); err != nil {
			t.Fatalf("Test %d: failed to create random test data: %v", i, err)
		}
		buffer := make([]byte, test.blocksize, 2*test.blocksize)
		writers := make([]io.Writer, len(disks))

	file, err := Open(jd.ReadOnlyPath())
	if err != nil {
		return nil, err
	}

	// read journal version header
	var data [tierJournalHdrLen]byte
	if _, err := io.ReadFull(file, data[:]); err != nil {
		return nil, err
	}

	switch binary.LittleEndian.Uint16(data[:]) {
	case tierJournalVersion:
		return file, nil
	default:
		return nil, errUnsupportedJournalVersion
	}

			Code:       AdminUpdateUnexpectedFailure,
			Message:    fmt.Sprintf("Error downloading URL %s. Response: %v", u, resp.Status),
			StatusCode: resp.StatusCode,
		}
	}

	contentBytes, err := io.ReadAll(resp.Body)
	if err != nil {
		return content, AdminError{
			Code:       AdminUpdateUnexpectedFailure,
			Message:    fmt.Sprintf("Error reading response. %s", err),
			StatusCode: http.StatusInternalServerError,