}

    public void test_execute_withException() {
        // Create mock SearchEngineClient that throws exception
        searchEngineClient = new SearchEngineClient() {
            @Override
            public long deleteByQuery(String index, QueryBuilder query) {
                throw new RuntimeException("Delete operation failed");
            }
        };

    }

    @Test
    @DisplayName("Should throw UnknownHostException for empty address list")
    void testUnknownHostException() throws Exception {
        // Given: No addresses returned
        when(nameSvc.getAllByName(eq("unknown.host"), eq(true))).thenReturn(new Address[0]);

        // When/Then: Should throw UnknownHostException

     * @return the information
     * @throws CIFSException
     *             if the information cannot be cast to the specified type
     */
    @SuppressWarnings("unchecked")
    public <T extends Decodable> T getInfo(final Class<T> clazz) throws CIFSException {
        if (!clazz.isAssignableFrom(this.info.getClass())) {
            throw new CIFSException("Incompatible file information class");
        }

  }

  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    // Override slow FilterOutputStream impl
    out.write(b, off, len);
  }

  @Override
  public void writeBoolean(boolean v) throws IOException {
    ((DataOutputStream) out).writeBoolean(v);
  }

  @Override
  public void writeByte(int v) throws IOException {
    ((DataOutputStream) out).writeByte(v);
  }

  /**

     */
    @Override
    public int read() throws IOException {
        return fileInputStream.read();
    }

    @Override
    public int available() throws IOException {
        return fileInputStream.available();
    }

    /**
     * Closes this input stream and releases any system resources associated with the stream.
     * @throws IOException if an I/O error occurs.
     */
    @Override

        @Override
        public void init() throws IOException {
            if (throwExceptionOnInit) {
                throw new IOException("Init failed");
            }
        }

        @Override
        public List<String> convert(String text, String field, String... langs) throws IOException {
            if (throwExceptionOnConvert) {
                throw new IOException("Convert failed");
            }

   *
   * @param file the file to read from
   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array
   *     (2^31 - 1)
   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(File file) throws IOException {
    return asByteSource(file).read();
  }

  /**

            when(mockInetAddress.getHostName()).thenReturn("myhost.domain.com");
            UniAddress uniAddress = new UniAddress(mockInetAddress);
            assertEquals("MYHOST", uniAddress.firstCalledName());
        }

        @Test
        void shouldReturnSmbServerNameWhenInetAddressHostnameLengthGreaterThan15() throws UnknownHostException {

    }

    @Test
    void testIsTrustedDomain_NoUserDomain() throws SmbAuthException {
        // Scenario: The user credentials do not specify a domain.
        when(mockCredentials.getUserDomain()).thenReturn(null);
        assertFalse(dfsImpl.isTrustedDomain(mockContext, "anydomain.com"));
    }

    @Test
    void testIsTrustedDomain_ConnectionFails() throws SmbAuthException {
        // Scenario: Transport connection fails

        // Then
        assertEquals(0, bytesWritten);
    }

    @Test
    @DisplayName("Should read valid single notification from wire format")
    void testReadSingleNotification() throws Exception {
        // Given
        byte[] buffer = new byte[512];
        int offset = 0;

        // Set header start position for the response
        setHeaderStart(response, 64);