// Testing invalid protocol ID during decode instead
        byte[] invalidBuffer = new byte[52];
        // Write invalid protocol ID
        invalidBuffer[0] = 0x00;
        invalidBuffer[1] = 0x00;
        invalidBuffer[2] = 0x00;
        invalidBuffer[3] = 0x00;

        assertThrows(IllegalArgumentException.class, () -> {
            Smb2TransformHeader.decode(invalidBuffer, 0);
        });
    }

    @Test

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        PrintStream ps = new PrintStream(baos);

        // Test with control characters and printable characters
        byte[] data = { 0x00, 0x01, 0x09, 0x0A, 0x0D, 0x1F, // Control characters
                0x20, 0x41, 0x42, 0x7E, // Printable characters
                (byte) 0x7F, (byte) 0x80, (byte) 0xFF // Extended/control
        };

        Hexdump.hexdump(ps, data, 0, data.length);
        String output = baos.toString();

     * @return whether this is the unknown address
     */
    public boolean isUnknown() {
        return "0.0.0.0".equals(this.name) && this.hexCode == 0 && this.scope == null;
    }

    int writeWireFormat(final byte[] dst, final int dstIndex) {
        // write 0x20 in first byte
        dst[dstIndex] = 0x20;

        final byte tmp[] = Strings.getOEMBytes(this.name, this.config);
        int i;

        this.maxDataCount = 0xFFFF;
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 2;
        this.name = "\\PIPE\\";
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        SMBUtil.writeInt2(this.pipeFid, dst, dstIndex);
        dstIndex += 2;

    void testFileAttributes() {
        assertEquals(0x01, SmbConstants.ATTR_READONLY);
        assertEquals(0x02, SmbConstants.ATTR_HIDDEN);
        assertEquals(0x04, SmbConstants.ATTR_SYSTEM);
        assertEquals(0x08, SmbConstants.ATTR_VOLUME);
        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
        assertEquals(0x20, SmbConstants.ATTR_ARCHIVE);
        assertEquals(0x800, SmbConstants.ATTR_COMPRESSED);

        ndrBuffer.setIndex(10);
        byte[] partialData = { 0x05, 0x06, 0x07, 0x08, 0x09 };
        ndrBuffer.writeOctetArray(partialData, 1, 3); // Write 0x06, 0x07, 0x08

        assertEquals(13, ndrBuffer.getIndex());
        assertEquals(13, ndrBuffer.getLength());
        assertEquals(0x06, buffer[10]);
        assertEquals(0x07, buffer[11]);
        assertEquals(0x08, buffer[12]);
    }

    @Test

    @DisplayName("File attribute constants are correct")
    void fileAttributesTest() {
        assertEquals(0x01, SmbConstants.ATTR_READONLY);
        assertEquals(0x02, SmbConstants.ATTR_HIDDEN);
        assertEquals(0x04, SmbConstants.ATTR_SYSTEM);
        assertEquals(0x08, SmbConstants.ATTR_VOLUME);
        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
    }

    /**
     * Test FLAGS constants.
     */
    @Test

        this.sid = sid;
        this.resumeKey = resumeKey;
        this.filename = filename;
        this.informationLevel = Trans2FindFirst2.SMB_FILE_BOTH_DIRECTORY_INFO;
        this.tflags = 0x00;
        this.maxParameterCount = 8;
        this.maxItems = batchCount;
        this.maxDataCount = batchSize;
        this.maxSetupCount = 0;
    }

    @Override

            ASN1ObjectIdentifier[] mechs = new ASN1ObjectIdentifier[] { OID_KRB, OID_NTLM };
            int flags = NegTokenInit.DELEGATION | NegTokenInit.INTEGRITY;
            byte[] mechToken = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
            byte[] mic = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC };

            NegTokenInit original = new NegTokenInit(mechs, flags, mechToken, mic);