f.setAccessible(true);
            return f.get(target);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    // Helper: find field in class hierarchy
    private static Field findField(Class<?> clazz, String name) throws NoSuchFieldException {
        Class<?> current = clazz;
        while (current != null) {
            try {

        }

        public void setDigest(Smb2SigningDigest digest) {
            this.digest = digest;
        }

        @Override
        protected int readBytesWireFormat(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
            // Simple implementation for testing
            return 0;
        }

        @Override
        protected int writeBytesWireFormat(byte[] dst, int dstIndex) {

     * @throws IllegalAccessRuntimeException
     *             If this {@link Method} object enforces Java language access control and the underlying method is not accessible
     * @throws InvocationTargetRuntimeException
     *             If the underlying method throws an exception
     * @see Method#invoke(Object, Object[])
     */

        InputStream failingStream = new InputStream() {
            @Override
            public int read() throws IOException {
                throw new IOException("Test exception");
            }
        };

        try {
            stopwordsFile.reload(null, failingStream);
            fail("Should throw DictionaryException");
        } catch (DictionaryException e) {

        // The iterator returns null when no elements, doesn't throw exception
        assertNull(iterator.next(), "Should return null when no elements");
    }

    /**
     * Test close method delegates to underlying iterator.
     */
    @Test
    void testClose() throws CIFSException {
        // Given
        when(mockDelegate.hasNext()).thenReturn(false);

      throws InterruptedException {
    Preconditions.checkNotNull(tasks, "tasks must not be null!");
    return delegate.invokeAll(tasks);
  }

  @Override
  public <T> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
      throws InterruptedException {

      throws InterruptedException {
    Preconditions.checkNotNull(tasks, "tasks must not be null!");
    return delegate.invokeAll(tasks);
  }

  @Override
  public <T> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
      throws InterruptedException {

        // Close and verify subsequent calls throw
        handle.close();
        CIFSException ex1 = assertThrows(CIFSException.class, handle::getInput, "getInput after close must throw");
        assertTrue(ex1.getMessage().contains("Already closed"));
        CIFSException ex2 = assertThrows(CIFSException.class, handle::getOutput, "getOutput after close must throw");
        assertTrue(ex2.getMessage().contains("Already closed"));

     * @param access the desired access rights
     * @param sid the security identifier of the domain
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrDomainHandle(final DcerpcHandle handle, final SamrPolicyHandle policyHandle, final int access, final rpc.sid_t sid)
            throws IOException {
        this.handle = handle;

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)
  fun writePing(payload: ByteString) {
    writeControlFrame(OPCODE_CONTROL_PING, payload)
  }

  /** Send a pong with the supplied [payload]. */
  @Throws(IOException::class)
  fun writePong(payload: ByteString) {
    writeControlFrame(OPCODE_CONTROL_PONG, payload)
  }

  /**