// This will return false because getFessConfig() will fail
        // We verify the method handles the case gracefully
        try {
            emptyGenerator.isTarget(docMap);
        } catch (IllegalStateException e) {
            // Expected when container is not initialized
            assertTrue(e.getMessage().contains("Not initialized"));
        }
    }

    public void test_getName() {

    assertEquals("uk", InternetDomainName.from("co.uk").parent().toString());
    assertEquals("google.com", InternetDomainName.from("www.google.com").parent().toString());

    assertThrows(IllegalStateException.class, () -> InternetDomainName.from("com").parent());
  }

  public void testChild() {
    InternetDomainName domain = InternetDomainName.from("foo.com");

     * It is an error to call this multiple times on the same instance.
     *
     * @throws IllegalStateException if this request doesn't have a request body, or if it already
     *     has a 'Content-Encoding' header.
     */
    fun gzip() =
      apply {
        val identityBody =
          body
            ?: throw IllegalStateException("cannot gzip a request that has no body")

    }

    /**
     * Test constructor with null message and valid cause
     */
    public void test_constructor_withNullMessageAndValidCause() {
        Exception cause = new IllegalStateException("State error");
        CrawlerSystemException exception = new CrawlerSystemException(null, cause);

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

        assertNull(exception.getCause());
    }

    public void test_constructor_withNestedCause() {
        // Test constructor with nested exceptions
        Throwable rootCause = new IllegalStateException("Root cause");
        Throwable intermediateCause = new RuntimeException("Intermediate cause", rootCause);
        String message = "Top level error";

     */
    public static void setURLStreamHandlerFactory(final URLStreamHandlerFactory factory) {
        synchronized (PROTOCOL_HANDLERS) {
            if (Handler.factory != null) {
                throw new IllegalStateException("URLStreamHandlerFactory already set.");
            }
            PROTOCOL_HANDLERS.clear();
            Handler.factory = factory;
        }
    }

    /**
     * Returns the default HTTP port.
     *

        if (keyManager != null) {
            String encKeyId = sessionId + "-enc";
            byte[] key = keyManager.getRawKey(encKeyId);
            if (key == null) {
                throw new IllegalStateException("Encryption key not found in SecureKeyManager");
            }
            return key;
        }
        return this.encryptionKey;
    }

    private byte[] getDecryptionKey() {

     */
    public static void setURLStreamHandlerFactory(final URLStreamHandlerFactory factory) {
        synchronized (PROTOCOL_HANDLERS) {
            if (Handler.factory != null) {
                throw new IllegalStateException("URLStreamHandlerFactory already set.");
            }
            PROTOCOL_HANDLERS.clear();
            Handler.factory = factory;
        }
    }

    /**

    assertFailsWith<IllegalStateException> {
      setString(0, "A")
    }
    assertFailsWith<IllegalStateException> {
      newSource(0)
    }
    assertFailsWith<IllegalStateException> {
      newSink(0)
    }
    assertFailsWith<IllegalStateException> {
      commit()
    }
    assertFailsWith<IllegalStateException> {
      abort()
    }
  }

    assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel((1 << 31) - 1));
    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MAX_VALUE));
    assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(1 << 31));
    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MIN_VALUE));