* Double#NEGATIVE_INFINITY} only, the result is {@link Double#NEGATIVE_INFINITY}.
   *
   * <p>If you only want to calculate the mean, use {@link #meanOf} instead of creating a {@link
   * Stats} instance.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double mean() {
    checkState(count != 0);
    return mean;
  }

  /**
   * Returns the sum of the values.
   *

        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) {

public class GroovyEngineTest extends UnitFessTestCase {
    public GroovyEngine groovyEngine;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        groovyEngine = new GroovyEngine();
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    public void test_evaluate() {

  public void lock() {
    delegate().lock();
  }

  @Override
  public void lockInterruptibly() throws InterruptedException {
    delegate().lockInterruptibly();
  }

  @Override
  public boolean tryLock() {
    return delegate().tryLock();
  }

  @Override
  public boolean tryLock(long time, TimeUnit unit) throws InterruptedException {
    return delegate().tryLock(time, unit);
  }

  @Override

 * for background.
 */
@RunWith(AndroidJUnit4.class)
public class LetsEncryptTest {
  @Test public void getFailsWithoutAdditionalCert() throws IOException {
    OkHttpClient client = new OkHttpClient();

    boolean androidMorEarlier = Build.VERSION.SDK_INT <= 23;
    try {
      sendRequest(client, "https://valid-isrgrootx1.letsencrypt.org/robots.txt");

                    }
                    throw new ThumbnailGenerationException(e.getMessage());
                } catch (final Exception e) {
                    throw new ThumbnailGenerationException("Failed to process a thumbnail content: " + url, e);
                }
            }
            throw new ThumbnailGenerationException("Failed to process a thumbnail content: " + url + " (Redirect Loop)");
        });

   *
   * <p>If the dataset contains any non-finite values ({@link Double#POSITIVE_INFINITY}, {@link
   * Double#NEGATIVE_INFINITY}, or {@link Double#NaN}) then the result is {@link Double#NaN}.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double populationCovariance() {
    checkState(count() != 0);
    return sumOfProductsOfDeltas / count();
  }

  /**

     * @return True if the negotiation is complete, otherwise false
     * @throws IOException if an I/O error occurs
     * @throws ServletException if a servlet error occurs
     */
    protected NtlmPasswordAuthentication negotiate(final HttpServletRequest req, final HttpServletResponse resp,
            final boolean skipAuthentication) throws IOException, ServletException {
        UniAddress dc;
        String msg;

    /**
     * Returns the raw byte representation of this message.
     *
     * @return A <code>byte[]</code> containing the raw message material.
     * @throws IOException if an error occurs during message serialization
     */
    public abstract byte[] toByteArray() throws IOException;

            assertTrue(Modifier.isFinal(modifiers), "Field " + field.getName() + " should be final");
        }
    }

    @Test
    @DisplayName("Test constant values are unique")
    void testConstantValuesAreUnique() throws IllegalAccessException {
        Field[] fields = SecurityInfo.class.getDeclaredFields();
        Set<Integer> values = new HashSet<>();

        for (Field field : fields) {
            if (field.getType() == int.class) {