return;
                case 2:
                    throw new IllegalArgumentException("Invalid argument");
                case 3:
                    throw new IllegalStateException("Invalid state");
                case 4:
                    throw new NullPointerException("Null pointer");
                default:
                    throw new RuntimeException("Generic error");
                }
            }

        // Now, mock the behavior for MsrpcLsarClose to throw IOException
        doThrow(new IOException("Close network error")).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarClose.class));

        // Act & Assert
        IOException thrown = assertThrows(IOException.class, () -> {
            handle.close();
        });

        assertEquals("Close network error", thrown.getMessage());

     * {@link SmbFile#getAttributes()} throws it.
     * @throws SmbException if an SMB error occurs.
     */
    @Test
    void testAccept_ThrowsSmbException() throws SmbException {
        // Given a filter
        dosFileFilter = new DosFileFilter("*.*", SmbFile.ATTR_ARCHIVE);
        // and a mock file that throws an exception when getAttributes is called

   * null will be returned.
   *
   * @throws ParameterNotInstantiableException if the static methods cannot be invoked because the
   *     default value of a parameter cannot be determined.
   * @throws IllegalAccessException if the class isn't public or is nested inside a non-public
   *     class, preventing its methods from being accessible.
   * @throws InvocationTargetException if a static method threw exception.
   */

        reset(mockHandle);
    }

    @Test
    void testConstructor_SuccessfulConnect4() throws IOException {
        // Test case: Constructor with successful MsrpcSamrConnect4
        String server = "testServer";
        int access = 123;

        // No exception thrown by sendrecv for MsrpcSamrConnect4
        doNothing().when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));

    methodCalled = true;
    methodArgument = arg;
  }

  @Subscribe
  public void exceptionThrowingMethod(Object arg) throws Exception {
    throw new IntentionalException();
  }

  /** Local exception subclass to check variety of exception thrown. */
  static final class IntentionalException extends Exception {

    private static final long serialVersionUID = -2500191180248181379L;
  }

    void connectWrapException_wrapsToSmbException(SmbResourceLocatorImpl loc, Exception thrown) throws Exception {
        // Arrange: spy on instance to force connect() failure with specific exception
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = Mockito.spy(new SmbTreeConnectionTrace(ctx));
        doThrow(thrown).when(trace).connect(loc);

        RuntimeException thrown = assertThrows(RuntimeException.class, supplier::get);
        assertInstanceOf(SmbUnsupportedOperationException.class, thrown.getCause());
        assertEquals("boom", thrown.getCause().getMessage());
        verify(supplier, times(1)).get();
        verifyNoMoreInteractions(supplier);
    }

    @Test
    @DisplayName("No collaborator interaction occurs if exception is thrown beforehand")

            when(mockDeferredBuffer.dec_ndr_long()).thenReturn(-1); // Invalid _name_buffers

            // When/Then: Should throw exception
            NdrException thrown = assertThrows(NdrException.class, () -> entry.decode(mockNdrBuffer));
            assertEquals(NdrException.INVALID_CONFORMANCE, thrown.getMessage());
        }
    }

    @Nested
    @DisplayName("SamrSamArray Tests")
    class SamrSamArrayTests {

     *
     * @return the NTLM challenge from the domain controller
     * @throws SmbException if an SMB error occurs
     * @throws UnknownHostException if the domain controller cannot be resolved
     */
    public static NtlmChallenge getChallengeForDomain() throws SmbException, UnknownHostException {
        if (DOMAIN == null) {
            throw new SmbException("A domain was not specified");
        }
        synchronized (DOMAIN) {