final short length = readShort();
        final short maxLength = readShort();
        final int pointer = readInt();

        if (maxLength < length) {
            throw new PACDecodingException("Malformed string in PAC");
        }

        return new PacUnicodeString(length, maxLength, pointer);
    }

    /**
     * Reads a string with length prefix from the stream.

   * @param offset the start offset in the data
   * @param maxLength the maximum number of bytes to write
   * @return the number of bytes written to {@code dest}
   * @throws IndexOutOfBoundsException if there is not enough room in {@code dest}
   */
  @CanIgnoreReturnValue
  public int writeBytesTo(byte[] dest, int offset, int maxLength) {
    maxLength = min(maxLength, bits() / 8);

	// no vector register is larger than 512 bytes for now
	const maxLength = 512
	a := make([]byte, maxLength)
	b := make([]byte, maxLength)
	// randomish but deterministic data. No 0 or 255.
	for i := 0; i < maxLength; i++ {
		a[i] = byte(1 + 31*i%254)
		b[i] = byte(1 + 31*i%254)
	}
	for i := 2; i <= maxLength; i <<= 1 {
		for j := 0; j < i-1; j++ {
			a[j] = b[j] - 1
			a[j+1] = b[j+1] + 1

        this.length = length;
        this.maxLength = maxLength;
        this.pointer = pointer;
    }

    /**
     * Gets the actual length of the string in bytes.
     *
     * @return the string length
     */
    public short getLength() {
        return this.length;
    }

    /**

    // meaning that a string will be truncated to just the truncation indicator itself
    checkArgument(
        truncationLength >= 0,
        "maxLength (%s) must be >= length of the truncation indicator (%s)",
        maxLength,
        truncationIndicator.length());

    if (seq.length() <= maxLength) {
      String string = seq.toString();

    this.toString = checkNotNull(toString);
    this.prototype = getMessageDigest(algorithmName);
    int maxLength = prototype.getDigestLength();
    checkArgument(
        bytes >= 4 && bytes <= maxLength, "bytes (%s) must be >= 4 and < %s", bytes, maxLength);
    this.bytes = bytes;
    this.supportsClone = supportsClone(prototype);
  }

  private static boolean supportsClone(MessageDigest digest) {

        if (script == null) {
            return "-";
        }
        final int maxLength = ComponentUtil.getFessConfig().getScriptAuditLogMaxLengthAsInteger();
        String normalized = script;
        if (normalized.length() > maxLength) {
            normalized = normalized.substring(0, maxLength - 3) + "...";
        }
        return normalized.replace('\n', ' ').replace('\r', ' ').replace('\t', '_');
    }

        pdis = createInputStream(nullData);
        assertNull(pdis.readFiletime());
    }

    @Test
    public void testReadUnicodeString() throws IOException, PACDecodingException {
        // length=4, maxLength=4, pointer=0x1234
        byte[] data = new byte[] { 0x04, 0x00, 0x04, 0x00, 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        PacUnicodeString str = pdis.readUnicodeString();

            if (contentLengthHelper != null) {
                final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());
                if (responseData.getContentLength() > maxLength) {
                    throw new MaxLengthExceededException("The content length (" + responseData.getContentLength() + " byte) is over "
                            + maxLength + " byte. The url is " + filePath);
                }
            }

    /**
     * Validate string from server response
     *
     * @param str string to validate
     * @param maxLength maximum allowed length
     * @param fieldName field name for error messages
     * @throws SmbException if string is invalid
     */
    public void validateString(String str, int maxLength, String fieldName) throws SmbException {
        totalValidations.incrementAndGet();

        if (str == null) {