* because it specifies addr
                             */
            request.addr = addr; /* if addr ends with 255 flag it bcast */
            request.isBroadcast = addr.getAddress()[3] == (byte) 0xFF;

            n = RETRY_COUNT;
            do {
                try {
                    send(request, response, RETRY_TIMEOUT);
                } catch (final IOException ioe) {

        int bytesWritten = transaction.writeParameterWordsWireFormat(dst, 0);

        // Verify the bytes written
        assertTrue(bytesWritten > 0);

        // For secondary, first byte should be 0x00 (Reserved)
        assertEquals(0, dst[0]);

        // Verify reserved bytes
        assertEquals(0, dst[1]);
        assertEquals(0, dst[2]);

        // Verify total parameter count (4 bytes at position 3)

    }

    private static SpnegoToken getToken(final byte[] token) throws SpnegoException {
        SpnegoToken spnegoToken = null;
        try {
            spnegoToken = switch (token[0]) {
            case (byte) 0x60 -> new NegTokenInit(token);
            case (byte) 0xa1 -> new NegTokenTarg(token);
            default -> throw new SpnegoException("Invalid token type");
            };
            return spnegoToken;

        assertArrayEquals(expectedBytes, actualBytes);

        // Verify it's actually UTF-16LE (each ASCII char should be followed by 0x00)
        int pathStart = Smb2Constants.SMB2_HEADER_LENGTH + 8;
        for (int i = 0; i < testPath.length(); i++) {
            char c = testPath.charAt(i);
            if (c < 128) { // ASCII character

        assertTrue(workgroupLike.isWorkgroup());

        // Server: return a NetBIOS type not 0x1d/0x1b
        when(nb.getNameType()).thenReturn(0x20);
        SmbResourceLocatorImpl server = locator("smb://server");
        when(nsc.getAllByName(eq("server"), eq(true))).thenReturn(new Address[] { addr });
        assertEquals(SmbConstants.TYPE_SERVER, server.getType());

    }

    @Test
    @DisplayName("setFileId should update file ID")
    void testSetFileId() throws Exception {
        byte[] newFileId = new byte[16];
        Arrays.fill(newFileId, (byte) 0xFF);

        request.setFileId(newFileId);

        Field fileIdField = Smb2CloseRequest.class.getDeclaredField("fileId");
        fileIdField.setAccessible(true);

        h[1] = (byte) ((length >> 16) & 0x01);
        h[2] = (byte) ((length >> 8) & 0xFF);
        h[3] = (byte) (length & 0xFF);
        return h;
    }

    /**
     * Creates a NetBIOS keep-alive header.
     * Keep-alive packets have type 0x85 and zero length.
     */
    private static byte[] keepAliveHeader() {
        byte[] h = new byte[4];

      checkPositionIndexes(off, off + len, bytes.length);
      int i = off;
      for (int remaining = len; remaining >= 3; remaining -= 3) {
        int chunk = (bytes[i++] & 0xFF) << 16 | (bytes[i++] & 0xFF) << 8 | (bytes[i++] & 0xFF);
        target.append(alphabet.encode(chunk >>> 18));
        target.append(alphabet.encode((chunk >>> 12) & 0x3F));
        target.append(alphabet.encode((chunk >>> 6) & 0x3F));

      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));
        }
      }

            }
        }
    }

    @Override
    public int read() throws SmbException {
        if (read(this.tmp, 0, 1) == -1) {
            return -1;
        }
        return this.tmp[0] & 0xFF;
    }

    @Override
    public int read(final byte b[]) throws SmbException {
        return read(b, 0, b.length);
    }

    @Override