* @param dlim the maximum index in the destination array
     * @return the number of bytes written
     */
    public static int enc_utf8(final String str, final byte[] dst, int di, final int dlim) {
        final int start = di;
        int ch;
        final int strlen = str.length();

        for (int i = 0; di < dlim && i < strlen; i++) {
            ch = str.charAt(i);

     * @param slim the limit index in the source array
     * @return the decoded String
     * @throws IOException if a decoding error occurs
     */
    public static String dec_utf8(final byte[] src, int si, final int slim) throws IOException {
        final char[] uni = new char[slim - si];
        int ui, ch;

        for (ui = 0; si < slim && (ch = src[si++] & 0xFF) != 0; ui++) {

        final String delim = NumberConversionUtil.findDecimalSeparator(Locale.JAPAN);
        assertEquals(".", delim);
    }

    /**
     * @throws Exception
     */
    public void testFindFractionDelimeter2() throws Exception {
        final String delim = NumberConversionUtil.findDecimalSeparator(Locale.FRANCE);
        assertEquals(",", delim);
    }

    /**
     * @throws Exception

// ReadBytes reads until the first occurrence of delim in the input,
// returning a slice containing the data up to and including the delimiter.
// If ReadBytes encounters an error before finding a delimiter,
// it returns the data read before the error and the error itself (often [io.EOF]).
// ReadBytes returns err != nil if and only if the returned data does not end in
// delim.
func (b *Buffer) ReadBytes(delim byte) (line []byte, err error) {

// [Reader.ReadBytes] or ReadString instead.
// ReadSlice returns err != nil if and only if line does not end in delim.
func (b *Reader) ReadSlice(delim byte) (line []byte, err error) {
	s := 0 // search start index
	for {
		// Search buffer.
		if i := bytes.IndexByte(b.buf[b.r+s:b.w], delim); i >= 0 {
			i += s
			line = b.buf[b.r : b.r+i+1]
			b.r += i + 1
			break
		}

		// Pending error?

        return def;
    }

    /**
     * Retrieve an array of <code>InetAddress</code> created from a property
     * value containting a <code>delim</code> separated list of hostnames and/or
     * ipaddresses.
     *
     * @param key the property key to look up
     * @param delim the delimiter used to separate addresses in the property value
     * @param def the default array to return if the property is not found or cannot be parsed

     * @param doff the offset in the destination array
     */
    public void update(final byte[] src, int soff, final int slen, final byte[] dst, int doff) {
        int slim = soff + slen;
        while (soff < slim) {
            i = i + 1 & 0xff;
            j = j + s[i] & 0xff;
            final byte t = s[i];
            s[i] = s[j];
            s[j] = t;

    /**
     * Retrieve an array of <code>InetAddress</code> created from a property
     * value containing a <code>delim</code> separated list of host names and/or
     * ip addresses.
     *
     * @param props the properties to search in
     * @param key the property key to look up
     * @param delim the delimiter to use for splitting the property value
     * @param def the default value to return if key is not found

  if (h == nullptr) {
    status->status = tensorflow::errors::InvalidArgument("Invalid handle");
    return -1;
  }

  int64_t dim = -1;
  status->status = tensorflow::unwrap(h)->Dim(dim_index, &dim);
  return dim;
}

const char* TFE_TensorHandleDeviceName(TFE_TensorHandle* h, TF_Status* status) {
  if (h == nullptr) {

   * @param lim the limit of bytes to process encoded as a long as big-endian, or -1 to mean the max
   *     limit for numBytes
   */
  @GwtIncompatible // java.nio.charset.Charset
  private static void testBytes(int numBytes, long expectedCount, long start, long lim) {
    byte[] bytes = new byte[numBytes];
    if (lim == -1) {
      lim = 1L << (numBytes * 8);
    }