private const val UNICODE_2 = 0x1a5

    /** Arbitrary code point that's 3 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_3 = 0x2202

    /** Arbitrary code point that's 4 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_4 = 0x1d11e

    /**

            }
        } else {
            createDisposition = FILE_OPEN;
        }

        if ((createOptions & 0x0001) == 0) {
            this.createOptions = createOptions | 0x0040;
        } else {
            this.createOptions = createOptions;
        }
        impersonationLevel = 0x02; // As seen on NT :~)
        securityFlags = (byte) 0x03; // SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY
    }

    }

    @Test
    void testWriteHeaderReadHeader() {
        byte[] buffer = new byte[32];
        smb.command = ServerMessageBlock.SMB_COM_NEGOTIATE;
        smb.flags = (byte) 0x18;
        smb.flags2 = 0x0001;
        smb.tid = 1;
        smb.pid = 2;
        smb.uid = 3;
        smb.mid = 4;

        smb.writeHeaderWireFormat(buffer, 0);

        TestServerMessageBlock readSmb = new TestServerMessageBlock();

    @DisplayName("Should support AES-256 cipher constants")
    void testAES256CipherConstants() {
        // Verify AES-256 constants are defined
        assertEquals(0x0003, Smb2EncryptionContext.CIPHER_AES_256_CCM, "AES-256-CCM constant should be defined");
        assertEquals(0x0004, Smb2EncryptionContext.CIPHER_AES_256_GCM, "AES-256-GCM constant should be defined");

        // Test creating context with AES-256 cipher IDs

        buffer.put((byte) 0x01); // SubAuthorityCount
        buffer.put(new byte[] { 0, 0, 0, 0, 0, 2 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        // DACL at offset 60
        buffer.position(60);
        buffer.put((byte) 0x02); // AclRevision
        buffer.put((byte) 0x00); // Padding
        buffer.putShort((short) 8); // AclSize
        buffer.putShort((short) 0); // AceCount

        }

        @Test
        @DisplayName("Should handle ciphers with maximum value")
        void testMaximumCipherValues() throws SMBProtocolDecodingException {
            int[] ciphers = { 0xFFFF, 0x0000, 0x7FFF };
            EncryptionNegotiateContext originalContext = new EncryptionNegotiateContext(mockConfig, ciphers);

            int encoded = originalContext.encode(buffer, 0);

        int bytesWritten = request.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(4, bytesWritten);

        // Expected wire format: [0x04, 0x00, 0x00, 0x00]
        byte[] expected = new byte[] { 0x04, 0x00, 0x00, 0x00 };
        assertArrayEquals(expected, buffer);
    }

    @Test
    @DisplayName("Should always return 0 for readBytesWireFormat")
    void testReadBytesWireFormat() {

            }
        } else {
            this.createDisposition = FILE_OPEN;
        }

        if ((createOptions & 0x0001) == 0) {
            this.createOptions = createOptions | 0x0040;
        } else {
            this.createOptions = createOptions;
        }
        this.impersonationLevel = 0x02; // As seen on NT :~)
        this.securityFlags = (byte) 0x03; // SECURITY_CONTEXT_TRACKING | SECURITY_EFFECTIVE_ONLY
    }

        // recordType (2 bytes)
        src[srcIndex + 2] = 0x00;
        src[srcIndex + 3] = 0x20; // NB (0x0020)
        // recordClass (2 bytes)
        src[srcIndex + 4] = 0x00;
        src[srcIndex + 5] = 0x01; // IN (0x0001)
        // ttl (4 bytes)
        src[srcIndex + 6] = 0x00;
        src[srcIndex + 7] = 0x00;
        src[srcIndex + 8] = 0x00;
        src[srcIndex + 9] = 0x00;
        // rDataLength (2 bytes)

    X1997,
    X1998,
    X1999,
    X2000,
    X2001,
    X2002,
    X2003,
    X2004,
    X2005,
    X2006,
    X2007,
    X2008,
    X2009,
    X2010,
    X2011,
    X2012,
    X2013,
    X2014,
    X2015,
    X2016,
    X2017,
    X2018,
    X2019,
    X2020,
    X2021,
    X2022,
    X2023,
    X2024,
    X2025,