// ErasureSetsTestStr is the string which is used as notation for Erasure sets object layer in the unit tests.
	ErasureSetsTestStr string = "ErasureSet"
)

const letterBytes = "abcdefghijklmnopqrstuvwxyz01234569"
const (
	letterIdxBits = 6                    // 6 bits to represent a letter index
	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"errors"
	"fmt"
	"io"
	"testing"
)

var alphabets = []byte("abcdefghijklmnopqrstuvwxyz0123456789")

// DummyDataGen returns a reader that repeats the bytes in `alphabets`
// upto the desired length.
type DummyDataGen struct {
	b           []byte
	idx, length int64
}