assertEquals(65535, decodedSize);
        assertEquals(65535, referral.getSize());
        assertEquals(65535, referral.getServerType());
        assertEquals(65535, referral.getRFlags());
        assertEquals(65535, referral.getProximity());
        assertEquals(65535, referral.getTtl());
    }

    @Test
    public void testEmptyStrings() {

        when(locator.getUNCPath()).thenReturn("\\\\server\\share\\dir\\");
        when(tree.getConfig()).thenReturn(config);
        when(config.getMaximumBufferSize()).thenReturn(65535);
        when(config.getListSize()).thenReturn(65535);

        // Arrange: initial page with two entries, then one more entry, then no more files
        FileEntry fe1 = mock(FileEntry.class);
        lenient().when(fe1.getName()).thenReturn("file1");

    private Trans2FindFirst2 trans2FindFirst2;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getMaximumBufferSize()).thenReturn(65535);
        when(mockConfig.getTransactionBufferSize()).thenReturn(65535);
        when(mockConfig.isUseUnicode()).thenReturn(true);
        when(mockConfig.isForceUnicode()).thenReturn(false);
        when(mockConfig.getOemEncoding()).thenReturn("ASCII");
    }

        // init(th) behavior inside SmbFileInputStream constructor
        when(tree.isSMB2()).thenReturn(smb2);
        when(tree.getReceiveBufferSize()).thenReturn(4096);
        when(tree.getMaximumBufferSize()).thenReturn(65535);
        when(tree.hasCapability(anyInt())).thenReturn(false);
        return new SmbPipeInputStream(handle, tree);
    }

    private SmbPipeInputStream newStreamWithMinimalStubs(boolean smb2) throws CIFSException {

    checkFromStringCase("192.0.2.2:83", -1, "192.0.2.2", 83, true);
    checkFromStringCase("[2001::2]:85", -1, "2001::2", 85, true);
    checkFromStringCase("goo.gl:65535", 65536, "goo.gl", 65535, true);
    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);
    checkFromStringCase("192.0.2.1", 65536, "192.0.2.1", -1, false);

        // Test with small data count
        response.setDataCount(10);
        assertEquals(10, response.getDataCount());

        // Test with large data count
        response.setDataCount(65535);
        assertEquals(65535, response.getDataCount());

        // Test with zero data count
        response.setDataCount(0);
        assertEquals(0, response.getDataCount());
    }

    @Test

        // Set excessive negotiate context count (writeInt2(-1) becomes 65535)
        SMBUtil.writeInt2(-1, buffer, 6);

        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> {
            response.readBytesWireFormat(buffer, 0);
        });

        assertTrue(exception.getMessage().contains("Invalid negotiate context count: 65535"));
    }

    /**

    /**
     *
     * Property {@code jcifs.smb.client.rcv_buf_size} (int, default 65535)
     *
     * @return receive buffer size, in bytes
     * @deprecated use getReceiveBufferSize instead
     */
    @Deprecated
    int getRecieveBufferSize();

    /**
     *
     * Property {@code jcifs.smb.client.rcv_buf_size} (int, default 65535)
     *
     * @return receive buffer size, in bytes
     */

    public static final int MAX_DOMAIN_LENGTH = 255;
    public static final int MAX_SHARE_NAME_LENGTH = 80;
    public static final int MAX_BUFFER_SIZE = 65536; // 64KB default max buffer
    public static final int MAX_SMB2_BUFFER_SIZE = 8388608; // 8MB for SMB2/3
    public static final int MAX_CREDITS = 65535;

    // Patterns for validation
    private static final Pattern VALID_USERNAME = Pattern.compile("^[a-zA-Z0-9._\\-@]+$");

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockConfig.getNotifyBufferSize()).thenReturn(4096);
        when(mockConfig.getTransactionBufferSize()).thenReturn(65535);
    }

    @Test
    @DisplayName("Test constructor initialization with basic parameters")
    void testConstructorBasic() {
        int fid = 0x1234;
        int completionFilter = FILE_NOTIFY_CHANGE_FILE_NAME;