public void test_getCause() {
        // Test that the cause is properly set and retrievable
        ParseException parseException = new ParseException("Query parsing failed");
        QueryParseException queryParseException = new QueryParseException(parseException);

        Throwable cause = queryParseException.getCause();
        assertNotNull(cause);
        assertTrue(cause instanceof ParseException);

        }
        assertSame(cause, ex.getCause(), "Cause should be stored and retrievable");
        assertSame(cause, ex.getRootCause(), "Deprecated getRootCause should match getCause");
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Status should default to unsuccessful for message+cause ctor");
    }

    // Interaction: passing a mocked cause should not trigger interactions (nothing to call)
    @Test

        assertNotNull(ex);
        assertTrue(ex instanceof SmbException);
        assertEquals(SmbException.getMessageByCode(errCode), ex.getMessage(), "message should reflect error code mapping");
        assertEquals(expectedStatus, ex.getNtStatus(), "status should map based on code");
        assertNull(ex.getCause(), "cause must be null for int constructor");

        // Test constructor with Throwable cause
        final Exception cause = new RuntimeException("Root cause");
        final JobProcessingException exception = new JobProcessingException(cause);

        assertNotNull(exception);
        assertEquals(cause, exception.getCause());
        assertEquals("java.lang.RuntimeException: Root cause", exception.getMessage());
    }

    @Test

        assertNull(exception.getCause());
    }

    @Test
    public void test_constructorWithMessageAndCause() {
        final RuntimeException cause = new RuntimeException("Root cause");
        final LlmException exception = new LlmException("Error occurred", cause);
        assertEquals("Error occurred", exception.getMessage());
        assertSame(cause, exception.getCause());
    }

    @Test

                reference = MojoExecutionException.class.getSimpleName();

                Throwable cause = exception.getCause();
                if (cause instanceof IOException) {
                    cause = cause.getCause();
                    if (cause instanceof ConnectException) {
                        reference = ConnectException.class.getSimpleName();
                    }
                }

        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

        WebApiException exception = new WebApiException(statusCode, cause);

        assertEquals(statusCode, exception.getStatusCode());
        assertEquals(causeMessage, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    @Test
    public void test_constructor_withStatusCodeAndNullException() {

    @Test
    public void test_constructor_withServletExceptionWithCause() {
        // Create a root cause exception
        String rootCauseMessage = "Root cause error";
        Exception rootCause = new Exception(rootCauseMessage);

        // Create a ServletException with the root cause
        String servletErrorMessage = "Servlet error with cause";
        ServletException servletException = new ServletException(servletErrorMessage, rootCause);

        assertEquals(cause, exception.getCause());
    }

    @Test
    @DisplayName("Should create CIFSException with cause only")
    void testCIFSExceptionWithCauseOnly() {
        // Given
        Exception cause = new RuntimeException("Root cause");

        // When
        CIFSException exception = new CIFSException(cause);

        // Then
        assertNotNull(exception);
        assertEquals(cause, exception.getCause());