@Test
    public void test_constructor_withIdZero() {
        // Test constructor with id = 0 (create mode)
        ProtwordsItem item = new ProtwordsItem(0, "testword");

        assertEquals(0, item.getId());
        assertEquals("testword", item.getInput());
        assertEquals("testword", item.getNewInput());
    }

    @Test
    public void test_constructor_withNonZeroId() {
        // Test constructor with id != 0 (existing item)

    }

    public void test_clear() {
        ElevateWordPager elevateWordPager = new ElevateWordPager();
        elevateWordPager.id = "testId";
        elevateWordPager.suggestWord = "testWord";
        elevateWordPager.versionNo = "1";
        elevateWordPager.setAllRecordCount(100);
        elevateWordPager.setAllPageCount(10);
        elevateWordPager.setExistPrePage(true);

        // and properly closed even when errors might occur

        protwordsFile.reload(null);

        // Test normal creation and cleanup of ProtwordsUpdater
        ProtwordsItem testItem = new ProtwordsItem(0, "testWord");
        ProtwordsFile.ProtwordsUpdater updater = null;

        try {
            // Create the updater successfully
            updater = protwordsFile.new ProtwordsUpdater(testItem);

    assertThat(comparator2.compare(a0, b0)).isLessThan(0);
  }

  public void testSort() {
    testSort(new byte[] {}, new byte[] {});
    testSort(new byte[] {2}, new byte[] {2});
    testSort(new byte[] {2, 1, 0}, new byte[] {0, 1, 2});
    testSort(new byte[] {2, GREATEST, 1, LEAST}, new byte[] {LEAST, 1, 2, GREATEST});
  }

  static void testSort(byte[] input, byte[] expected) {
    input = Arrays.copyOf(input, input.length);

    assertThat(comparator2.compare(a0, b0)).isLessThan(0);
  }

  public void testSort() {
    testSort(new byte[] {}, new byte[] {});
    testSort(new byte[] {2}, new byte[] {2});
    testSort(new byte[] {2, 1, 0}, new byte[] {0, 1, 2});
    testSort(new byte[] {2, GREATEST, 1, LEAST}, new byte[] {LEAST, 1, 2, GREATEST});
  }

  static void testSort(byte[] input, byte[] expected) {
    input = Arrays.copyOf(input, input.length);

        assertEquals(0, events.size());
    }

    @Test
    public void test_append_warnEvent_withWarnLevel() {
        final LogNotificationAppender warnAppender = LogNotificationAppender.createAppender("testWarn", "WARN", null, null);
        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        warnAppender.append(event);

    for (long a : TEST_LONGS) {
      assertThrows(
          ArithmeticException.class,
          () -> UnsignedLong.fromLongBits(a).dividedBy(UnsignedLong.ZERO));
    }
  }

  public void testMod() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        if (b != 0) {
          UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);

          ArithmeticException.class,
          () -> {
            UnsignedInteger unused = UnsignedInteger.fromIntBits(a).dividedBy(UnsignedInteger.ZERO);
          });
    }
  }

  public void testMod() {
    for (int a : TEST_INTS) {
      for (int b : TEST_INTS) {
        if (b != 0) {
          UnsignedInteger aUnsigned = UnsignedInteger.fromIntBits(a);

          };
      LocalCache<String, String> cache = makeLocalCache(builder, loader);

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");

      ticker.advance(10, MILLISECONDS); // so that the next call will trigger refresh
      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload

          };
      LocalCache<String, String> cache = makeLocalCache(builder, loader);

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");

      ticker.advance(10, MILLISECONDS); // so that the next call will trigger refresh
      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload