byte[] buffer = new byte[256];
        Arrays.fill(buffer, (byte) 0xCC); // Fill with pattern to detect unwritten areas

        int written = request.writeBytesWireFormat(buffer, 0);

        // Verify structure according to SMB2 FLUSH specification
        // Structure Size (2 bytes) - should be 24
        assertEquals(24, SMBUtil.readInt2(buffer, 0));

     * @param mechanismListMIC the mechanism list MIC bytes
     */
    public void setMechanismListMIC(final byte[] mechanismListMIC) {
        this.mechanismListMIC = mechanismListMIC;
    }

    /**
     * Encodes this SPNEGO token to a byte array
     * @return the encoded token bytes
     */
    public abstract byte[] toByteArray();

    /**
     * Parses the provided token bytes to populate this SPNEGO token

    protected int parameterOffset;
    /** Displacement of these parameter bytes from the start of the total parameter block */
    protected int parameterDisplacement;
    /** Number of data bytes being sent in this request */
    protected int dataCount;
    /** Offset from the start of the SMB header to the data bytes */
    protected int dataOffset;
    /** Displacement of these data bytes from the start of the total data block */

        // Session ID (8 bytes) - little-endian
        buffer[index++] = (byte) (testSessionId & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 8) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 16) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 24) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 32) & 0xFF);

     * Base-64 encodes the supplied block of data.  Line wrapping is not
     * applied on output.
     *
     * @param bytes The block of data that is to be Base-64 encoded.
     * @return A <code>String</code> containing the encoded data.
     */
    public static String encode(final byte[] bytes) {
        int length = bytes.length;
        if (length == 0) {
            return "";
        }

        assertEquals((byte) (listCount & 0xFF), dst[2]);
        assertEquals((byte) ((listCount >> 8) & 0xFF), dst[3]);

        // informationLevel (2 bytes, LE) -> 0x0104
        assertEquals((byte) 0x04, dst[4]);
        assertEquals((byte) 0x01, dst[5]);

        // resumeKey (4 bytes, LE)
        assertEquals((byte) 0xEF, dst[6]);
        assertEquals((byte) 0xCD, dst[7]);
        assertEquals((byte) 0xAB, dst[8]);

        when(mockFileInfo.getFileInformationLevel()).thenReturn((byte) FileInformation.FILE_BASIC_INFO);
        when(mockFileInfo.encode(any(byte[].class), anyInt())).thenReturn(50);

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] setupBuffer = new byte[256];
        byte[] paramBuffer = new byte[256];
        byte[] dataBuffer = new byte[256];

            byte[] buffer = new byte[24];
            // alloc (8 bytes) - 0x0000000100000000 (4294967296)
            buffer[4] = 0x01;
            // free (8 bytes) - 0x0000000080000000 (2147483648)
            buffer[12] = (byte) 0x80;
            // sectPerAlloc (4 bytes) - 8
            buffer[16] = 0x08;
            // bytesPerSect (4 bytes) - 512
            buffer[20] = 0x00;

        // Create buffer with exact decode size
        byte[] tempBuffer = new byte[50];
        original.encode(tempBuffer, 0);

        // Copy only the first 36 bytes (what decode reads)
        byte[] buffer = new byte[36];
        System.arraycopy(tempBuffer, 0, buffer, 0, 36);

        // Decode

        // Context header: 16 bytes
        // Name: 4 bytes ("DLse")
        // Padding: 4 bytes (to align data to 8-byte boundary)
        // Standard lease data: 32 bytes
        // Directory-specific data: 20 bytes (CacheScope(4) + MaxCacheAge(8) + Flags(4) + NotificationFilter(4))
        return 16 + 4 + 4 + 32 + 20;
    }

    @Override
    public int encode(byte[] buffer, int offset) {