func (h *HTTPRangeSpec) GetLength(resourceSize int64) (rangeLength int64, err error) {
	switch {
	case resourceSize < 0:
		return 0, errors.New("Resource size cannot be negative")

	case h == nil:
		rangeLength = resourceSize

	case h.IsSuffixLength:
		specifiedLen := -h.Start
		rangeLength = min(specifiedLen, resourceSize)

	case h.Start >= resourceSize:
		return 0, InvalidRange{
			OffsetBegin:  h.Start,

		case InvalidRange:
			apiErr = APIError{
				Code:           "InvalidRange",
				Description:    e.Error(),
				HTTPStatusCode: errorCodes[ErrInvalidRange].HTTPStatusCode,
				ObjectSize:     strconv.FormatInt(e.ResourceSize, 10),
				RangeRequested: fmt.Sprintf("%d-%d", e.OffsetBegin, e.OffsetEnd),
			}
		case InvalidArgument:
			apiErr = APIError{
				Code:           "InvalidArgument",
				Description:    e.Error(),