SMBUtil.writeInt2(0x1111, buffer1, 20);
        SMBUtil.writeInt2(0x0210, buffer1, 22);

        response.decode(buffer1, 0, 24);
        assertEquals(0x11111111, response.getCapabilities(), "First decode capabilities");
        assertEquals(0x1111, response.getSecurityMode(), "First decode security mode");
        assertEquals(0x0210, response.getDialect(), "First decode dialect");

        for (int i = 0; i < 16; i++) {
            defaultClientGuid[i] = (byte) (i + 1);
        }

        // Initialize default dialects
        defaultDialects = new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 };
    }

    @Test
    @DisplayName("Test constructor with valid parameters")
    void testConstructor() {
        ValidateNegotiateInfoRequest request =

                Arguments.of(DialectVersion.SMB210, DialectVersion.SMB300, new int[] { 0x0210, 0x0300 }),
                Arguments.of(DialectVersion.SMB202, DialectVersion.SMB311, new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 }),
                Arguments.of(DialectVersion.SMB311, DialectVersion.SMB311, new int[] { 0x0311 }));
    }

    @ParameterizedTest

     */
    public static final int SMB2_DIALECT_0210 = 0x0210;

    /**
     * SMB 3.0 dialect (Windows 8/Server 2012)
     */
    public static final int SMB2_DIALECT_0300 = 0x0300;

    /**
     * SMB 3.0.2 dialect (Windows 8.1/Server 2012R2)
     */
    public static final int SMB2_DIALECT_0302 = 0x0302;

    /**
     * SMB 3.1.1 dialect (Windows 10/Server 2016)
     */

- **SMB 2.0.2**: Windows Vista+ (0x0202)
- **SMB 2.1**: Windows 7/Server 2008R2 (0x0210)
- **SMB 3.0**: Windows 8/Server 2012 (0x0300) - AES-128-CCM encryption
- **SMB 3.0.2**: Windows 8.1/Server 2012R2 (0x0302) - Enhanced encryption
- **SMB 3.1.1**: Windows 10/Server 2016+ (0x0311) - AES-128-GCM + Pre-Auth Integrity

**Protocol Selection:**
- Default Range: SMB1 to SMB 3.1.1

    @DisplayName("Should define open flags constants")
    void testOpenFlagsConstants() {
        assertEquals(0x01, SmbConstants.O_RDONLY);
        assertEquals(0x02, SmbConstants.O_WRONLY);
        assertEquals(0x03, SmbConstants.O_RDWR);
        assertEquals(0x04, SmbConstants.O_APPEND);
        assertEquals(0x0010, SmbConstants.O_CREAT);
        assertEquals(0x0020, SmbConstants.O_EXCL);

        assertEquals(8, bytesWritten);

        // Verify watchTree flag is set to 0x01
        assertEquals(0x01, dst[dstIndex + 6]);
    }

    @ParameterizedTest
    @DisplayName("Test writeSetupWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })
    void testWriteSetupWireFormatWithVariousFids(int fid) {

 * Trivial Dns Encoder/Decoder, basically ripped from Netty full implementation.
 */
internal object DnsRecordCodec {
  private const val SERVFAIL = 2
  private const val NXDOMAIN = 3
  const val TYPE_A = 0x0001
  const val TYPE_AAAA = 0x001c
  private const val TYPE_PTR = 0x000c
  private val ASCII = Charsets.US_ASCII

  fun encodeQuery(
    host: String,
    type: Int,
  ): ByteString =
    Buffer()
      .apply {

        assertEquals((byte) 0xA1, SmbComTransaction.SMB_COM_NT_TRANSACT_SECONDARY);
    }

    @Test
    @DisplayName("Test sub-command constants")
    void testSubCommandConstants() {
        assertEquals((short) 0x0001, SmbComTransaction.TRANS2_FIND_FIRST2);
        assertEquals((short) 0x0002, SmbComTransaction.TRANS2_FIND_NEXT2);
        assertEquals((short) 0x0003, SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);

    /** SMB2 query info command */
    protected static final short SMB2_QUERY_INFO = 0x0010;
    /** SMB2 set info command */
    protected static final short SMB2_SET_INFO = 0x0011;
    /** SMB2 opportunistic lock break notification */
    protected static final short SMB2_OPLOCK_BREAK = 0x0012;

    /**
     * Flag indicating the message is a response from server to client.
     */