byte[] buffer = new byte[512];
        int bufferIndex = 0;

        // Set structure size to 9 (valid)
        SMBUtil.writeInt2(9, buffer, bufferIndex);
        // Set buffer offset (relative to header start)
        SMBUtil.writeInt2(80, buffer, bufferIndex + 2);
        // Set buffer length (empty directory)
        SMBUtil.writeInt4(0, buffer, bufferIndex + 4);

        @Override
        public String toString() {
            StringBuilder buffer = new StringBuilder();
            for (Item item : this) {
                if (!buffer.isEmpty()) {
                    buffer.append((item instanceof ListItem) ? '-' : '.');
                }
                buffer.append(item);
            }
            return buffer.toString();
        }

        /**

    }

    @Test
    @DisplayName("Test constructor with buffer decodes correctly")
    void testConstructorWithBuffer() throws IOException {
        // Create test buffer with notification data
        byte[] buffer = createValidNotificationBuffer("testfile.txt", FileNotifyInformation.FILE_ACTION_ADDED);

        FileNotifyInformationImpl info = new FileNotifyInformationImpl(buffer, 0, buffer.length);

        assertNotNull(info);

     *            the configuration to use for this request
     * @param fileId
     *            the file ID to read from
     * @param outputBuffer
     *            the buffer to read data into
     * @param outputBufferOffset
     *            the offset in the output buffer to start writing data
     */
    public Smb2ReadRequest(final Configuration config, final byte[] fileId, final byte[] outputBuffer, final int outputBufferOffset) {

        int desiredAccess = (buffer[24] & 0xFF) | ((buffer[25] & 0xFF) << 8) | ((buffer[26] & 0xFF) << 16) | ((buffer[27] & 0xFF) << 24);
        assertEquals(0x00120089, desiredAccess);

        // Check default share access (READ | WRITE) at offset 32
        int shareAccess = (buffer[32] & 0xFF) | ((buffer[33] & 0xFF) << 8) | ((buffer[34] & 0xFF) << 16) | ((buffer[35] & 0xFF) << 24);

        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        count = readInt2(buffer, bufferIndex) & 0xFFFFL;
        return 8;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

    public void testBufferCreation() throws UnsupportedEncodingException {
        byte[] dataBytes = { 1, 2, 3, 4 };
        String params = "test";
        byte[] buffer = createBuffer(10, dataBytes, params);

        // Verify buffer structure
        assertTrue(buffer.length >= 14, "Buffer should contain header, params and data");
    }

    @Test
    public void testByteOperations() {

            byte[] innerDigest = "inner_digest".getBytes();
            byte[] expectedOutput = "output_data".getBytes();
            byte[] buffer = new byte[expectedOutput.length + 10]; // Buffer with extra space

            when(mockMd5.digest()).thenReturn(innerDigest);
            when(mockMd5.digest(buffer, 0, expectedOutput.length)).thenAnswer(invocation -> {
                byte[] b = invocation.getArgument(0);

            buffer[errorStart + 2] = 1; // error context count
            SMBUtil.writeInt4(5, buffer, errorStart + 4); // byte count

            // Error data
            buffer[errorStart + 8] = 1;
            buffer[errorStart + 9] = 2;
            buffer[errorStart + 10] = 3;
            buffer[errorStart + 11] = 4;
            buffer[errorStart + 12] = 5;

            return buffer;
        }

            assertEquals(5120L, SMBUtil.readInt8(buffer, offset + 8));
            assertEquals(8192, SMBUtil.readInt4(buffer, offset + 16));

            offset += CHUNK_SIZE;
            assertEquals(12288L, SMBUtil.readInt8(buffer, offset));
            assertEquals(13312L, SMBUtil.readInt8(buffer, offset + 8));
            assertEquals(16384, SMBUtil.readInt4(buffer, offset + 16));
        }