final CharSequence seq;

    CharSequenceCharSource(CharSequence seq) {
      this.seq = checkNotNull(seq);
    }

    @Override
    public Reader openStream() {
      return new CharSequenceReader(seq);
    }

    @Override
    public String read() {
      return seq.toString();
    }

    @Override
    public boolean isEmpty() {

	(cd "$WORK_DIR" && "$FUNCTIONAL_TESTS")
	rv=$?

	pkill minio
	sleep 3

	if [ "$rv" -ne 0 ]; then
		for i in $(seq 0 1); do
			echo "server$i log:"
			cat "$WORK_DIR/pool-minio-900$i.log"
		done
	fi

	for i in $(seq 0 1); do
		rm -f "$WORK_DIR/pool-minio-900$i.log"
	done

	return "$rv"
}

function run_test_pool_erasure_sets_ipv6() {

function start_minio_3_node() {
	export MINIO_ROOT_USER=minio
	export MINIO_ROOT_PASSWORD=minio123
	export MINIO_ERASURE_SET_DRIVE_COUNT=6
	export MINIO_CI_CD=1

	start_port=$1
	args=""
	for i in $(seq 1 3); do

	unset MINIO_CI_CD
	unset CI

	args=()
	for i in $(seq 1 4); do
		args+=("http://localhost:$((start_port + i))${WORK_DIR}/mnt/disk$i/ ")
	done

	for i in $(seq 1 4); do
		"${MINIO[@]}" --address ":$((start_port + i))" ${args[@]} 2>&1 >"${WORK_DIR}/server$i.log" &
	done

	# Wait until all nodes return 403
	for i in $(seq 1 4); do

export MINIO_KMS_SECRET_KEY="my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw="

NODES=4

args1=()
args2=()
for i in $(seq 1 $NODES); do
	args1+=("http://localhost:$((9000 + i))/tmp/xl/1/$i ")
	args2+=("http://localhost:$((9100 + i))/tmp/xl/2/$i ")
done

for i in $(seq 1 $NODES); do
	./minio server --address "127.0.0.1:$((9000 + i))" ${args1[@]} & # | tee /tmp/minio/node.$i &

			str := f[index]
			n, err := strconv.Atoi(str[:len(str)-len(suf)])
			if err == nil {
				f[index] = fmt.Sprintf("%d%s", seq+n, suf)
			}
		}

		if len(f) == 1 {
			printed = f[0]
		} else {
			printed = f[0] + "\t" + strings.Join(f[1:], " ")
		}

		want := fmt.Sprintf("%05d (%s:%d)\t%s", seq, input, lineno, printed)

        if (expectSeq != seq) {
            throw new CIFSException(String.format("Invalid MIC sequence, expect %d have %d", expectSeq, seq));
        }

        final byte[] verify = new byte[8];
        System.arraycopy(mic, 4, verify, 0, 8);
        if (!MessageDigest.isEqual(trunc, verify)) {
            if (log.isDebugEnabled()) {

	for _, ss := range setCounts {
		var symmetry bool
		for _, argPattern := range argPatterns {
			for _, p := range argPattern {
				if uint64(len(p.Seq)) > ss {
					symmetry = uint64(len(p.Seq))%ss == 0
				} else {
					symmetry = ss%uint64(len(p.Seq)) == 0
				}
			}
		}
		// With no arg patterns, it is expected that user knows
		// the right symmetry, so either ellipses patterns are

        truncationIndicator.length());

    if (seq.length() <= maxLength) {
      String string = seq.toString();
      if (string.length() <= maxLength) {
        return string;
      }
      // if the length of the toString() result was > maxLength for some reason, truncate that
      seq = string;
    }

    return new StringBuilder(maxLength)
        .append(seq, 0, truncationLength)
        .append(truncationIndicator)

	if ! ps -p ${pid} 1>&2 >/dev/null; then
		echo "server1 log:"
		cat "${WORK_DIR}/server1.log"
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	"${PWD}/mc" mb --with-versioning minio/bucket

	for i in $(seq 1 4); do
		"${PWD}/mc" cp /etc/hosts minio/bucket/testobj

		sudo chown -R root. "${WORK_DIR}/disk${i}"

		"${PWD}/mc" cp /etc/hosts minio/bucket/testobj

		sudo chown -R ${USER}. "${WORK_DIR}/disk${i}"
	done