generating = false;
        }
    }

    @Override
    public void tearDown() throws Exception {
        if (thumbnailManager != null) {
            try {
                thumbnailManager.destroy();
            } catch (Exception e) {
                // Ignore exceptions during teardown
            }
        }
        if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);

        assertEquals(cause, exception.getCause());
        assertEquals("Config file not found", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        ThemeException exception = new ThemeException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.ChildUrlsException;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.codelibs.fess.crawler.helper.ContentLengthHelper;

                    updater.close();
                } catch (Exception e) {
                    // Ignore cleanup exceptions in test
                }
            }
        }

        // The ProtwordsUpdater constructor wraps exceptions in DictionaryException
        // with message "Failed to write a userDict file." - this is covered by
        // the constructor's exception handling implementation
    }

        assertThrows(Exception.class, () -> {
            future.get(5, TimeUnit.SECONDS);
        });

        client.close();
    }

    @Test
    void testNotificationDelivery() throws Exception {
        // Setup successful registration
        WitnessRegisterResponse mockResponse = mock(WitnessRegisterResponse.class);

        runner.ensureYellow();
    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        try {
            runner.admin().indices().prepareDelete("_all").execute().actionGet();
        } catch (IndexNotFoundException ignore) {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_Null() throws Exception {
        assertThat(toDate(null), is(nullValue()));
    }

    /**

        }

        @Test
        @DisplayName("Should throw exception on null buffer")
        void testEncodeWithNullBuffer() {
            assertThrows(IllegalArgumentException.class, () -> testRequest.encode(null, 0), "Should throw exception for null buffer");
        }

        @Test
        @DisplayName("Should throw exception on negative index")
        void testEncodeWithNegativeIndex() {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    //    @Test
    //    public void testToDate_Null() throws Exception {
    //        assertThat(toDate(null, Locale.JAPAN), is(nullValue()));

    // Exceptions
    // ------------------------------------------------------------------------

    public boolean hasExceptions() {
        return exceptions != null && !exceptions.isEmpty();
    }

    public List<Exception> getExceptions() {
        return exceptions == null ? Collections.emptyList() : Collections.unmodifiableList(exceptions);
    }