}

    @Override
    public int getContextType() {
        return CONTEXT_ID;
    }

    /**
     * Get the context data
     *
     * @return encoded context data
     */
    public byte[] getData() {
        // Encode the context data
        byte[] data = new byte[20]; // 2 + 2 + 4 + 4 + 4 + 4

        int idx = 0;
        SMBUtil.writeInt2(transformCount, data, idx);
        idx += 2;

    /**
     * When lastWriteTime is zero the encoded unsigned time must be all 1s.
     */
    @Test
    @DisplayName("edge: writeParameterWordsWireFormat with lastWriteTime=0")
    void testWriteParameterWordsZeroUTime() {
        SmbComClose close = new SmbComClose(42, 0L);
        byte[] buffer = new byte[6];
        close.writeParameterWordsWireFormat(buffer, 0);
        // first two bytes encode fid 42

        assertEquals(expectedLength, ndrBuffer.getIndex());

        // Test null string (should encode as 0 length)
        ndrBuffer.reset();
        ndrBuffer.enc_ndr_referent(null, 2); // Use referent to encode null
        assertEquals(4, ndrBuffer.getIndex());
        assertEquals(4, ndrBuffer.getLength());
        assertEquals(0, Encdec.dec_uint32le(buffer, 0)); // Should be 0 for null referent
    }

    @Test

     */
    public NdrObject() {
        // Default constructor
    }

    /**
     * Encodes this NDR object into the specified buffer
     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer

     */
    public NdrObject() {
        // Default constructor
    }

    /**
     * Encodes this NDR object into the specified buffer
     * @param dst the destination buffer for encoding
     * @throws NdrException if encoding fails
     */
    public abstract void encode(NdrBuffer dst) throws NdrException;

    /**
     * Decodes this NDR object from the specified buffer

        } catch (final UnsupportedEncodingException ex) {
            throw new IORuntimeException(ex);
        }
    }

    /**
     * Encodes the value of an attribute.
     *
     * @param s
     *            The attribute value.
     * @return The encoded attribute value.
     */
    public static String encodeAttrQuot(final String s) {
        if (s == null) {
            return null;
        }

     * @return The string encoded in <code>application/x-www-form-urlencoded</code> format.
     */
    public static String encode(final String s, final String enc) {
        assertArgumentNotEmpty("s", s);
        assertArgumentNotEmpty("enc", enc);

        try {
            return URLEncoder.encode(s, enc);
        } catch (final UnsupportedEncodingException e) {

            return buf.toString();
        }

        /**
         * URL-encodes text for use in text fragment parameters.
         *
         * @param text the text to encode
         * @return the URL-encoded text
         */
        private String encodeToString(final String text) {
            return URLEncoder.encode(text, Constants.CHARSET_UTF_8);
        }
    }

        assertEquals(1, SMBUtil.readInt2(buffer, 8));
        assertEquals(1, SMBUtil.readInt2(buffer, 10));
    }

    /**
     * Test that a large file lock (bit 0x10 set) is encoded and decoded correctly.
     */
    @ParameterizedTest
    @ValueSource(ints = { 0x10, 0x11 })
    void largeFileFlagSet_and_decoded_according_to_type(int type) throws Exception {

        transformHeader.setFlags(0x0001);
        transformHeader.setSessionId(testSessionId);

        byte[] buffer = new byte[52];

        // When
        int encoded = transformHeader.encode(buffer, 0);

        // Then
        assertEquals(52, encoded);

        // Verify protocol ID (first 4 bytes) - 0xFD534D42 in little-endian
        assertEquals((byte) 0x42, buffer[0]);
        assertEquals((byte) 0x4D, buffer[1]);