// 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
}

    for (int i = 0; i < reps; i++) {
      dummy += matcher.matches(string.charAt(i % string.length())) ? 1 : 0;
    }
    return dummy;
  }

  private static final String NONMATCHING_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789";

  private static String checkString(
      int length, int percent, String matchingChars, Random rand, boolean forceSlow, boolean web) {

    for (int i = 0; i < reps; i++) {
      dummy += matcher.matches(string.charAt(i % string.length())) ? 1 : 0;
    }
    return dummy;
  }

  private static final String NONMATCHING_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789";

  private static String checkString(
      int length, int percent, String matchingChars, Random rand, boolean forceSlow, boolean web) {