public void test_isUpdated() {
        // Test isUpdated method
        StopwordsItem item = new StopwordsItem(1, "original");
        assertFalse(item.isUpdated());

        item.setNewInput("updated");
        assertTrue(item.isUpdated());

        item.setNewInput("");
        assertTrue(item.isUpdated());

        item.setNewInput(null);
        assertFalse(item.isUpdated());
    }

    public void test_isDeleted() {

	if utils.AssertEqual(result.UpdatedAt, user.UpdatedAt) {
		t.Fatalf("Update struct should update UpdatedAt, was %+v, got %+v", result.UpdatedAt, user.UpdatedAt)
	}

	AssertObjEqual(t, result, User{Name: "update_with_select"}, "Name", "Age")
}

func TestSelectWithUpdateWithMap(t *testing.T) {

        // Configure field and index names with special characters
        expiresFieldName = "expires-field.with@special#chars";
        documentUpdateIndex = "fess.update-index$special%chars";

        // Re-register FessConfig with updated values
        fessConfig = new TestFessConfig() {
            @Override
            public String getIndexFieldExpires() {
                return expiresFieldName;
            }

    public synchronized void insert(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StopwordsItem item) {
        try (StopwordsUpdater updater = new StopwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override

        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final StemmerOverrideItem item) {
        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

    @Override

  }

  /**
   * Atomically updates the element at index {@code i} with the results of applying the given
   * function to the current and given values.
   *
   * @param i the index to update
   * @param x the update value
   * @param accumulatorFunction the accumulator function
   * @return the updated value
   * @since 31.1
   */
  @CanIgnoreReturnValue

        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file with the specified updater.
     * @param updater the updater to use for processing items
     */
    protected void reload(final ProtwordsUpdater updater) {

        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the character mapping items from the dictionary file.
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     */
    protected void reload(final MappingUpdater updater) {

        kuromojiItem.setNewToken(StringUtil.EMPTY);
        try (KuromojiUpdater updater = new KuromojiUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file.
     *
     * @param updater The updater.
     */
    protected void reload(final KuromojiUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {

    public synchronized void insert(final SynonymItem item) {
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final SynonymItem item) {
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    @Override