@Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.alloc = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.free = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.sectPerAlloc = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        int value = 0x12345678;
        byte[] buffer = new byte[4];

        // When - encode little endian
        Encdec.enc_uint32le(value, buffer, 0);
        long decoded = Encdec.dec_uint32le(buffer, 0);

        // Then
        assertEquals(value & 0xFFFFFFFFL, decoded);
        assertEquals(0x78, buffer[0] & 0xFF);
        assertEquals(0x56, buffer[1] & 0xFF);
        assertEquals(0x34, buffer[2] & 0xFF);

            assertEquals(8192L, SMBUtil.readInt8(buffer, 8)); // Offset
            assertArrayEquals(testFileId, Arrays.copyOfRange(buffer, 16, 32)); // File ID
            assertEquals(512, SMBUtil.readInt4(buffer, 32)); // Minimum count
            assertEquals(Smb2ReadRequest.SMB2_CHANNEL_NONE, SMBUtil.readInt4(buffer, 36)); // Channel
            assertEquals(1024, SMBUtil.readInt4(buffer, 40)); // Remaining bytes

            deflater.finish();

            ByteArrayOutputStream baos = new ByteArrayOutputStream(length);
            byte[] buffer = new byte[1024];

            while (!deflater.finished()) {
                int compressedSize = deflater.deflate(buffer);
                baos.write(buffer, 0, compressedSize);
            }

            deflater.end();
            return baos.toByteArray();

    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Structure size != 9");
        }

        this.sessionFlags = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;

        byte[] buffer = new byte[0];
        int result = smbComOpenAndX.readParameterWordsWireFormat(buffer, 0);
        assertEquals(0, result);
    }

    /**
     * Test readBytesWireFormat method.
     */
    @Test
    void testReadBytesWireFormat() {
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, 0, andx);
        byte[] buffer = new byte[0];

     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**
     * Ensure decode throws NPE when passed a null buffer.
     */
    @Test

    /**
     * Decompresses data into a provided buffer.
     *
     * @param compressedData the compressed data buffer
     * @param offset the offset in the compressed data buffer
     * @param length the length of compressed data
     * @param outputBuffer the output buffer for decompressed data
     * @param outputOffset the offset in the output buffer
     * @param algorithm the compression algorithm that was used

        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;

        // totalParameterCount = 10
        writeInt4(10, buffer, bufferIndex);
        bufferIndex += 4;

            assertEquals(300L, SMBUtil.readInt8(buffer, 24));
            assertEquals(400L, SMBUtil.readInt8(buffer, 32));
            assertEquals(2, SMBUtil.readInt4(buffer, 40));

            // Verify third lock
            assertEquals(500L, SMBUtil.readInt8(buffer, 48));
            assertEquals(600L, SMBUtil.readInt8(buffer, 56));
            assertEquals(4, SMBUtil.readInt4(buffer, 64));
        }

        @Test