*/
    @Test
    @DisplayName("Test byte array fields (encryptionKey and guid)")
    public void testByteArrayFields() {
        // Test encryptionKey
        byte[] key = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        serverData.encryptionKey = key;
        assertNotNull(serverData.encryptionKey);
        assertArrayEquals(key, serverData.encryptionKey);

        // Test with empty array

        byte[] rawBytes = new byte[] { 0x01, 0x02, 0x03, 0x04 }; // Represents 0x04030201 (little-endian)
        AvFlags avFlags = new AvFlags(rawBytes);
        assertNotNull(avFlags, "AvFlags object should not be null");
        assertEquals(0x04030201, avFlags.getFlags(), "Flags should match the raw bytes (little-endian)");

        // Test with zero
        byte[] zeroBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };

        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;
        server.signaturesRequired = (server.securityMode & 0x08) == 0x08;
        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        assertEquals(0x0A, AvPair.MsvAvChannelBindings, "MsvAvChannelBindings constant should be 0x0A.");
    }

    @Test
    void testRawDataImmutability() {
        int type = AvPair.MsvAvTimestamp;
        byte[] raw = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        AvPair avPair = new AvPair(type, raw);

        // Modify the original raw array
        raw[0] = 0x05;

        assertEquals((byte) 0x12, dst[0]); // nameTrnId
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) (0x80 | (NameServicePacket.QUERY << 3) | 0x04 | 0x02 | 0x01), dst[2]); // flags1
        assertEquals((byte) (0x80 | 0x10 | NameServicePacket.FMT_ERR), dst[3]); // flags2
        assertEquals((byte) 0x00, dst[4]); // questionCount
        assertEquals((byte) 0x01, dst[5]);

        case 0x00:
            return "This folder only";
        case 0x03:
            return "This folder, subfolders and files";
        case 0x0B:
            return "Subfolders and files only";
        case 0x02:
            return "This folder and subfolders";
        case 0x0A:
            return "Subfolders only";
        case 0x01:
            return "This folder and files";

    class ToStringTests {

        @Test
        @DisplayName("toString with valid data produces expected format")
        void testToStringWithValidData() {
            byte[] challenge = new byte[] { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0xFF };
            UniAddress dc = mock(UniAddress.class);
            when(dc.toString()).thenReturn("SERVER123");

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

    void testSetDataSize() {
        response.dataSize = 1024;
        assertEquals(1024, response.dataSize);
    }

    @Test
    void testSetGrantedAccess() {
        response.grantedAccess = 0x02; // FILE_WRITE_DATA
        assertEquals(0x02, response.grantedAccess);
    }

    @Test
    void testSetFileType() {
        response.fileType = 1;
        assertEquals(1, response.fileType);
    }

    @Test

    @Test
    @DisplayName("Multiple reads update offset correctly")
    void testMultipleReadsUpdateOffset() {
        byte[] buffer1 = new byte[] { 0x10, 0x00, 0x00, 0x00 }; // 16
        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

    void testFileInformationClassConstants() {
        assertEquals(0x01, Smb2QueryDirectoryRequest.FILE_DIRECTORY_INFO);
        assertEquals(0x02, Smb2QueryDirectoryRequest.FILE_FULL_DIRECTORY_INFO);
        assertEquals(0x03, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);
        assertEquals(0x0C, Smb2QueryDirectoryRequest.FILE_NAMES_INFO);