this.setupCount = 2;
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        // this says "Transaction priority" in netmon
        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        return 4;
    }

    @Override

        byte[] dst = new byte[10];
        // The method should not write anything and return 0
        assertEquals(0, response.writeParametersWireFormat(dst, 0), "writeParametersWireFormat should return 0.");
    }

    /**
     * Test for the writeDataWireFormat method.
     * It should always return 0.
     */
    @Test
    void testWriteDataWireFormat() {
        byte[] dst = new byte[10];

        SMBUtil.writeInt2(this.credit, dst, dstIndex + 14);
        SMBUtil.writeInt4(this.flags, dst, dstIndex + 16);
        SMBUtil.writeInt4(this.nextCommand, dst, dstIndex + 20);
        SMBUtil.writeInt8(this.mid, dst, dstIndex + 24);

        if (this.async) {
            SMBUtil.writeInt8(this.asyncId, dst, dstIndex + 32);
        } else {
            // 4 reserved

        // Arrange
        byte[] dst = new byte[100];
        int dstIndex = 50;

        // Act
        int result = response.writeSetupWireFormat(dst, dstIndex);

        // Assert
        assertEquals(0, result);
    }

    @Test
    @DisplayName("writeParametersWireFormat should return 0")
    void testWriteParametersWireFormat() {
        // Arrange
        byte[] dst = new byte[100];
        int dstIndex = 0;

        byte[] dst = new byte[6];

        // When
        int result = trans2SetFileInformation.writeParametersWireFormat(dst, 0);

        // Then
        assertEquals(6, result);
        assertEquals(fid, (dst[1] << 8) | (dst[0] & 0xFF));
        assertEquals(Trans2SetFileInformation.SMB_FILE_BASIC_INFO, (dst[3] << 8) | (dst[2] & 0xFF));
        assertEquals(0, (dst[5] << 8) | (dst[4] & 0xFF));
    }

    @Test

     * @param val the value to write
     * @param dst the destination byte array
     * @param dstIndex the starting index in the destination array
     */
    public static void writeInt4(long val, final byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dstIndex++;
        dst[dstIndex] = (byte) (val >>= 8);
        dst[++dstIndex] = (byte) (val >>= 8);
        dst[++dstIndex] = (byte) (val >> 8);
    }

    /**

        @Override
        protected int writeSetupWireFormat(byte[] dst, int dstIndex) {
            if (setupBuffer != null && setupBuffer.length > 0) {
                System.arraycopy(setupBuffer, 0, dst, dstIndex, setupBuffer.length);
            }
            return setupWireFormatReturn;
        }

        @Override
        protected int writeParametersWireFormat(byte[] dst, int dstIndex) {

        dst[dstIndex] = (byte) (val >> 8 & 0xFF);
        dstIndex++;
        dst[dstIndex] = (byte) (val & 0xFF);
    }

    static void writeInt4(final int val, final byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) (val >> 24 & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (val >> 16 & 0xFF);
        dst[dstIndex++] = (byte) (val >> 8 & 0xFF);

        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

     */
    @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.