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());
    }

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

        assertEquals(1, response.getNum());
        assertEquals("検索 エンジン", response.getWords().get(0));

        response = suggester.suggest().setQuery("kensaku　 enj").execute().getResponse();
        assertEquals(1, response.getNum());
        assertEquals("検索 エンジン", response.getWords().get(0));

        response = suggester.suggest().setQuery("zenbun").setSuggestDetail(true).execute().getResponse();

        // 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);