ByteArrayOutputStream bos = new ByteArrayOutputStream();
        // Create buffer for encoding - initially allocate some space
        byte[] encodeBuffer = new byte[1024];
        NdrBuffer dst = new NdrBuffer(encodeBuffer, 0);
        info1.encode(dst);

        ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
        // Use the encoded buffer for decoding
        NdrBuffer src = new NdrBuffer(encodeBuffer, 0);

        byte[] dst = new byte[10];
        int dstIndex = 0;

        // When
        int bytesWritten = trans2GetDfsReferral.writeSetupWireFormat(dst, dstIndex);

        // Then
        assertEquals(2, bytesWritten);
        assertEquals(SmbComTransaction.TRANS2_GET_DFS_REFERRAL, dst[0]);
        assertEquals((byte) 0x00, dst[1]);
    }

    @Test

        smbComOpenAndX = new SmbComOpenAndX(fileName, access, 0, andx);
        // Buffer needs 26 bytes: 2+2+2+2+4+2+4+8 = 26
        byte[] dst = new byte[26];
        int result = smbComOpenAndX.writeParameterWordsWireFormat(dst, 0);
        assertEquals(26, result);
    }

    /**
     * Test writeBytesWireFormat method with Unicode.
     */
    @Test

        void testWriteSetupWireFormat() {
            byte[] dst = new byte[100];
            int result = response.writeSetupWireFormat(dst, 0);

            assertEquals(0, result);
        }

        @Test
        @DisplayName("Should return 0 for writeSetupWireFormat with offset")
        void testWriteSetupWireFormatWithOffset() {
            byte[] dst = new byte[100];

            SMBUtil.writeInt4(dstIndex - getHeaderStart(), dst, inputOffsetOffset);
            final int len = this.inputData.encode(dst, dstIndex);
            SMBUtil.writeInt4(len, dst, inputLengthOffset);
            dstIndex += len;
        } else {
            SMBUtil.writeInt4(0, dst, inputOffsetOffset);
            SMBUtil.writeInt4(0, dst, inputLengthOffset);
        }

        if (this.outputData != null) {

    @Test
    void testWriteSetupWireFormat() {
        byte[] dst = new byte[10];
        int result = response.writeSetupWireFormat(dst, 0);
        assertEquals(0, result, "writeSetupWireFormat should always return 0.");
    }

    /**
     * Tests the writeParametersWireFormat method.
     */
    @Test
    void testWriteParametersWireFormat() {
        byte[] dst = new byte[10];

        setupCount = 2;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        // this says "Transaction priority" in netmon
        dst[dstIndex++] = (byte) 0x00; // no FID
        dst[dstIndex++] = (byte) 0x00;
        return 4;
    }

    @Override

        assertEquals((byte) 0x56, dst[1]);
        assertEquals((byte) 0x34, dst[2]);
        assertEquals((byte) 0x12, dst[3]);

        // Test with max value for 4 bytes
        SMBUtil.writeInt4(0xFFFFFFFFL, dst, 4);
        assertEquals((byte) 0xFF, dst[4]);
        assertEquals((byte) 0xFF, dst[5]);
        assertEquals((byte) 0xFF, dst[6]);
        assertEquals((byte) 0xFF, dst[7]);

     */
    @Test
    void testWriteParameterWordsWireFormat() {
        SmbComWriteAndXResponse response = new SmbComWriteAndXResponse();
        byte[] dst = new byte[0];

        int bytesWritten = response.writeParameterWordsWireFormat(dst, 0);

        // This method does nothing and should return 0.
        assertEquals(0, bytesWritten);
    }

    /**
     * Test the writeBytesWireFormat method.

        dstIndex += 2;
        writeInt2(informationLevel, dst, dstIndex);
        dstIndex += 2;
        writeInt4(resumeKey, dst, dstIndex);
        dstIndex += 4;
        writeInt2(flags, dst, dstIndex);
        dstIndex += 2;
        dstIndex += writeString(filename, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {