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

    public void test_constructor_withNonZeroId() {
        // Test when id is not 0 (existing item)
        StopwordsItem item = new StopwordsItem(123, "and");
        assertEquals(123, item.getId());
        assertEquals("and", item.getInput());

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

    public void test_constructor_withNonZeroId() {
        // Test constructor with id != 0 (existing item)
        ProtwordsItem item = new ProtwordsItem(123, "existingword");

        assertEquals(123, item.getId());