// 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());

        String testString = "not-null";

        // Expect a PACDecodingException to be thrown
        PACDecodingException exception = assertThrows(PACDecodingException.class, () -> {
            pacString.check(testString);
        }, "A PACDecodingException should be thrown for a non-empty string with a zero pointer.");

        // Verify the exception message

        // 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());

        // Act & Assert
        SmbException thrown = assertThrows(SmbException.class, handle::close);
        assertEquals(errorCode, thrown.getNtStatus());
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcSamrOpenDomain.class));
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
    }

    @Test
    void close_shouldThrowIOExceptionOnSendRecvFailure() throws IOException {
        // Arrange

    private Map<Integer, KerberosKey> mockKeys;

    /**
     * Test parsing with an unknown auth type.
     * Expects an empty list of authorizations.
     * @throws PACDecodingException should not be thrown
     */
    @Test
    void testParseUnknownAuthType() throws PACDecodingException {
        // GIVEN an unknown auth type
        int unknownAuthType = -1;
        byte[] emptyToken = new byte[0];

   * not fail a test when an exception is thrown from one of its {@link TearDown} instances, but
   * this is subject to change. Also, {@code junit4.TearDownTestCase} will.
   *
   * @throws Exception for any reason. {@code TearDownTestCase} ensures that any exception thrown
   *     will not interfere with other TearDown operations.
   */
  void tearDown() throws Exception;

    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception.
    setupCloseable(true);
    doClose(mockCloseable, true);
  }

  public void testClose_closeableWithThrownException() throws IOException {
    // make sure that the exception is thrown if 'swallowException' is false
    // when the mock does throw an exception.

        doThrow(expectedException).when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));

        DcerpcException thrown = assertThrows(DcerpcException.class, () -> {
            new SamrPolicyHandle(mockHandle, server, access);
        });

        assertEquals(expectedException, thrown);
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrConnect4.class));

        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")

        byte[] buffer = new byte[6];

        // Assert that an IOException is thrown with the expected message.
        IOException thrown = assertThrows(IOException.class, () -> {
            packet.readTrailerWireFormat(mockInputStream, buffer, 0);
        });
        assertTrue(thrown.getMessage().contains("unexpected EOF reading netbios retarget session response"));
    }