func (s3Select *S3Select) Open(rsc io.ReadSeekCloser) error {
	offset, length, err := s3Select.ScanRange.StartLen()
	if err != nil {
		return err
	}
	seekDirection := io.SeekStart
	if offset < 0 {
		seekDirection = io.SeekEnd
	}
	switch s3Select.Input.format {
	case csvFormat:
		_, err = rsc.Seek(offset, seekDirection)
		if err != nil {
			return err
		}

		// Expected size cannot be satisfied for
		// requested offset and length
		file.Close()
		return nil, errFileCorrupt
	}

	if offset > 0 {
		if _, err = file.Seek(offset, io.SeekStart); err != nil {
			file.Close()
			return nil, err
		}
	}

	return &sendFileReader{Reader: io.LimitReader(file, length), Closer: file}, nil
}

	return newBytesRSC([]byte(s))
}

func newBytesRSC(b []byte) io.ReadSeekCloser {
	r := bytes.NewReader(b)
	segmentReader := func(offset int64) (io.ReadCloser, error) {
		_, err := r.Seek(offset, io.SeekStart)
		if err != nil {
			return nil, err
		}
		return io.NopCloser(r), nil
	}
	return NewObjectReadSeekCloser(segmentReader, int64(len(b)))
}

type testResponseWriter struct {
	statusCode int

	r := bytes.NewReader(buf)

	off, length := int64(0), r.Size()
	if rs != nil {
		off, length, err = rs.GetOffsetLength(r.Size())
		if err != nil {
			return nil, err
		}
	}
	r.Seek(off, io.SeekStart)

	return NewGetObjectReaderFromReader(io.LimitReader(r, length), ObjectInfo{
		Bucket:      bucket,
		Name:        object,
		Size:        r.Size(),
		IsLatest:    true,
		ContentType: string(mimeXML),

		for _, list := range cfV1.Pools {
			pools = append(pools, poolArgs{
				args:          list,
				setDriveCount: setDriveCount,
			})
		}
	case "v2":
		cf := config.ServerConfig{}
		cfReader.Seek(0, io.SeekStart)
		if err = yaml.Unmarshal(rd, &cf); err != nil {
			return err
		}

		pools = make([]poolArgs, 0, len(cf.Pools))
		for _, list := range cf.Pools {
			driveCount := list.SetDriveCount

		t.Errorf("Expected io.ErrUnexpectedEOF, but got %v", err)
	}
	if written != 5 {
		t.Errorf("Expected written to be '5', but got %v", written)
	}

	f.Seek(0, io.SeekStart)
	r.Seek(0, io.SeekStart)

	written, err = CopyAligned(f, r, *bufp, r.Size(), f)
	if !errors.Is(err, nil) {
		t.Errorf("Expected nil, but got %v", err)
	}
	if written != r.Size() {

		n -= int(extraBytes)
		if n < 0 {
			n = 0
		}
		err = io.EOF
	}
	return
}

func (d *DummyDataGen) Seek(offset int64, whence int) (int64, error) {
	switch whence {
	case io.SeekStart:
		if offset < 0 {
			return 0, errors.New("Invalid offset")
		}
		d.idx = offset
	case io.SeekCurrent:
		if d.idx+offset < 0 {
			return 0, errors.New("Invalid offset")
		}
		d.idx += offset

	if err != nil {
		return 0, nil, err
	}
	defer func() {
		if err != nil && obj != nil {
			obj.Close()
		}
	}()

	_, err = obj.Seek(offset, io.SeekStart)
	if err != nil {
		return 0, nil, err
	}

	info, err := obj.Stat()
	if err != nil {
		return 0, nil, err
	}

	return info.Size - offset, obj, nil
}