}

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

        if (this.byteCount != 0) {
            int n = readBytesWireFormat(buffer, bufferIndex);
            if ((n != this.byteCount) && log.isTraceEnabled()) {
                log.trace("byteCount=" + this.byteCount + " but readBytesWireFormat returned " + n);
            }

        this.wordCount /= 2;
        dst[start] = (byte) (this.wordCount & 0xFF);

        this.byteCount = writeBytesWireFormat(dst, dstIndex + 2);
        dst[dstIndex] = (byte) (this.byteCount & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (this.byteCount >> 8 & 0xFF);
        dstIndex += this.byteCount;

        /*
         * Normally, without intervention everything would batch

        assertTrue(result.contains("byteCount=8"));
        assertTrue(result.contains("oemDomainName=TEST_DOMAIN"));
    }

    // Helper method to set protected byteCount field using reflection
    private void setByteCount(SmbComNegotiateResponse response, int byteCount) {
        try {
            Field field = response.getClass().getSuperclass().getDeclaredField("byteCount");
            field.setAccessible(true);

            bufferIndex += this.server.guid.length;
            this.server.oemDomainName = new String();

            if (this.byteCount > 16) {
                // have initial spnego token
                this.server.encryptionKeyLength = this.byteCount - 16;
                this.server.encryptionKey = new byte[this.server.encryptionKeyLength];

        SMBUtil.writeInt2(83, buffer, 36); // andxOffset (33 + 50)
        SMBUtil.writeInt2(20, buffer, 42); // byteCount

        // Setup andx command data at offset 83 (absolute position from buffer start)
        buffer[83] = 2; // andx wordCount
        SMBUtil.writeInt2(10, buffer, 88); // andx byteCount

        int length = testBlock.decode(buffer, 0);

        assertTrue(length > 0);

        wordCount /= 2;
        dst[start] = (byte) (wordCount & 0xFF);

        byteCount = writeBytesWireFormat(dst, dstIndex + 2);
        dst[dstIndex] = (byte) (byteCount & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (byteCount >> 8 & 0xFF);
        dstIndex += byteCount;

        /* Normally, without intervention everything would batch

            return wordCount * 2;
        }

        @Override
        int readBytesWireFormat(byte[] buffer, int bufferIndex) {
            System.arraycopy(buffer, bufferIndex, bytes, 0, byteCount);
            return byteCount;
        }
    }

    @BeforeEach
    void setUp() {
        smb = new TestServerMessageBlock();
    }

    @Test
    void testInt2ReadWrite() {
        byte[] buffer = new byte[2];

            }
            bufferIndex += wordCount * 2;
        }

        byteCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        if (byteCount != 0) {
            int n = readBytesWireFormat(buffer, bufferIndex);
            if ((n != byteCount) && (LogStream.level >= 5)) {
                log.println("byteCount=" + byteCount + " but readBytesWireFormat returned " + n);
            }

        buf[1] = 0x66; // andxCommand
        ServerMessageBlock.writeInt2(50, buf, 3); // andxOffset
        ServerMessageBlock.writeInt2(20, buf, 9); // byteCount for main block

        // At offset 50, the implementation writes andx.wordCount (0) to buffer
        // Then reads byteCount at offset 51
        ServerMessageBlock.writeInt2(20, buf, 51);

        int n = block.readAndXWireFormat(buf, 0);
        assertTrue(n > 0);

    public int encode(final byte[] dst, int dstIndex) {
        final int start = this.headerStart = dstIndex;
        dstIndex += writeHeaderWireFormat(dst, dstIndex);

        this.byteCount = writeBytesWireFormat(dst, dstIndex);
        dstIndex += this.byteCount;
        dstIndex += pad8(dstIndex);

        this.length = dstIndex - start;

        int len = this.length;

        if (this.next != null) {