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) {

   * RuntimeException runtime exceptions} thrown by the executor.
   */
  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  private static void executeListener(Runnable runnable, Executor executor) {
    try {
      executor.execute(runnable);
    } catch (Exception e) { // sneaky checked exception

     *
     * @param args command line arguments: [-t numThreads] [-i numIter] [-d delay] url
     * @throws Exception if an error occurs during test execution
     */
    public static void main(final String[] args) throws Exception {
        if (args.length < 1) {
            logger.error("usage: TestLocking [-t <numThreads>] [-i <numIter>] [-d <delay>] url");
            System.exit(1);
        }

    @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()));
    }

    /**

```

### Exception Handling
```java
import org.codelibs.core.exception.*;

// Runtime exception wrappers eliminate try-catch boilerplate
try {
    // Code that might throw checked exceptions
    return ClassUtil.newInstance(className); // Wraps checked exceptions automatically
} catch (ClassNotFoundRuntimeException e) {
    // Handle the wrapped exception

    }

    /**
     * Constructs a runtime CIFS exception with the specified detail message and cause.
     *
     * @param message the detail message
     * @param cause the cause of this exception
     */
    public RuntimeCIFSException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a runtime CIFS exception with the specified detail message.
     *

     * ability to throw the correct exception in the future.
     */
    assertThrows(NoSuchElementException.class, empty::peek);
    assertThrows(NoSuchElementException.class, empty::peek);
  }

  public void testSneakyThrow() throws Exception {
    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          boolean haveBeenCalled;

    @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()));

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;