class MasterBrowserEnumerationTests {

        @Test
        @DisplayName("doEnum with empty host throws SmbUnsupportedOperationException when master browser not found")
        void doEnum_withEmptyHost_throwsUnsupportedWithoutNetwork() throws Exception {
            // Arrange: mock parent + locator so no real network is used
            SmbFile parent = mock(SmbFile.class, RETURNS_DEEP_STUBS);

    /**
     * Send a request over the transport
     *
     * @param request the request to send
     * @throws IOException if an I/O error occurs
     */
    protected abstract void doSend(Request request) throws IOException;

    /**
     * Receive a response from the transport
     *
     * @param response the response object to populate
     * @throws IOException if an I/O error occurs
     */

     * Test a successful NTLM authentication handshake.
     * This is a simplified test that verifies the basic flow without full NTLM protocol simulation.
     * @throws IOException
     * @throws SecurityException
     */
    @Test
    void testSuccessfulHandshake() throws IOException, SecurityException {
        // This test is simplified to verify basic handshake behavior

            // Assert - should not throw exception when file exists
        }
    }

    @Nested
    class WhenHandlingConnections {

        @Test
        void testConnect() throws IOException {
            // Arrange
            doNothing().when(smbFile).connect();

            // Act
            smbFile.connect();

            // Assert - should not throw exception
        }

     *
     * @throws CIFSException if an error occurs while opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    /**
     * @param file
     * @param openFlags
     * @return
     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {

     *
     * @param url An smb URL string representing the file to write to
     * @throws SmbException if an SMB error occurs
     * @throws MalformedURLException if the URL is not properly formatted
     * @throws UnknownHostException if the host cannot be resolved
     */

    public SmbFileOutputStream(final String url) throws SmbException, MalformedURLException, UnknownHostException {
        this(url, false);
    }

   *
   * <p>This method always throws, and as such should be called as {@code throw closer.rethrow(e);}
   * to ensure the compiler knows that it will throw.
   *
   * @return this method does not return; it always throws
   * @throws IOException when the given throwable is an IOException
   */
  public RuntimeException rethrow(Throwable e) throws IOException {
    checkNotNull(e);
    thrown = e;

    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")
    void testGetServerGuid() throws Exception {
        // Given

        // We need to create a proper ASN1TaggedObject with APPLICATION tag class
        // Create a custom base object that throws IOException
        ASN1Encodable badBase = new ASN1Encodable() {
            @Override
            public ASN1Primitive toASN1Primitive() {
                // Return a primitive that will throw IOException when getEncoded is called

                        public InputStream getContentAsStream() throws IOException {
                            // Use the actual file path from the DictionaryFile
                            return new FileInputStream(new File(file.getPath()));
                        }

                        @Override
                        public void close() throws IOException {
                            // Nothing to close