assertTrue(BloomFilter.optimalNumOfBits(n, fpp) >= 0);
      }
    }

    // some random values
    Random random = new Random(0);
    for (int repeats = 0; repeats < 10000; repeats++) {
      assertTrue(BloomFilter.optimalNumOfBits(random.nextInt(1 << 16), random.nextDouble()) >= 0);
    }

    // and some crazy values (this used to be capped to Integer.MAX_VALUE, now it can go bigger

        assertTrue(BloomFilter.optimalNumOfBits(n, fpp) >= 0);
      }
    }

    // some random values
    Random random = new Random(0);
    for (int repeats = 0; repeats < 10000; repeats++) {
      assertTrue(BloomFilter.optimalNumOfBits(random.nextInt(1 << 16), random.nextDouble()) >= 0);
    }

    // and some crazy values (this used to be capped to Integer.MAX_VALUE, now it can go bigger

   * example, {@code repeat("hey", 3)} returns the string {@code "heyheyhey"}.
   *
   * @param string any non-null string
   * @param count the number of times to repeat it; a nonnegative integer
   * @return a string containing {@code string} repeated {@code count} times (the empty string if
   *     {@code count} is zero)

        String seed = "very_long_seed_" + "x".repeat(100);
        String[] tags = { "long_tag_" + "y".repeat(50), "another_long_tag_" + "z".repeat(50) };
        String[] roles = { "long_role_" + "a".repeat(50) };
        String[] fields = { "long_field_" + "b".repeat(50) };
        String[] excludes = { "long_exclude_" + "c".repeat(50) };

    String input = "20";
    assertEquals("", Strings.repeat(input, 0));
    assertEquals("20", Strings.repeat(input, 1));
    assertEquals("2020", Strings.repeat(input, 2));
    assertEquals("202020", Strings.repeat(input, 3));

    assertEquals("", Strings.repeat("", 4));

    for (int i = 0; i < 100; ++i) {
      assertEquals(2 * i, Strings.repeat(input, i).length());
    }

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  static final String LOTS_OF_DELTAS = Strings.repeat(DELTA, 62);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  private static final String ALMOST_TOO_MANY_LEVELS = Strings.repeat("a.", 127);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8

        });

        thread.start();
        thread.join();

        assertNull(exceptionHolder[0]);
        assertNotNull(clientHolder[0]);
    }

    // Test repeated instantiation
    public void test_repeatedInstantiation() {
        // Test that repeated instantiation works correctly
        for (int i = 0; i < 10; i++) {
            CrawlerEngineClient client = new CrawlerEngineClient();
            assertNotNull(client);

          |
          |
          """.trimMargin(),
        headers = Headers.headersOf("content-type", "text/event-stream"),
      ),
    )
    var request = Request.Builder().url(server.url("/")).build()
    repeat(2) {
      val response = client.newCall(request).execute()

      if (response.code == 401) {
        assertThat(response.body.string()).isEqualTo("{\"error\":{\"message\":\"No auth credentials found\",\"code\":401}}")

        assertNull(exception.getCause());
    }

    public void test_constructor_withLongUsername() {
        // Test with a very long username
        String username = "verylongusername".repeat(10);
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

        assertNotNull(exception);
        assertEquals("User is not found: " + username, exception.getMessage());

    builder.put(k1, v1);
    return builder.build();
  }

  /**
   * Returns an immutable multimap containing the given entries, in order. Repeated occurrences of
   * an entry (according to {@link Object#equals}) after the first are ignored.
   */
  public static <K, V> ImmutableSetMultimap<K, V> of(K k1, V v1, K k2, V v2) {