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() {

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

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

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

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

    public void test_isDeleted() {

        // Initially not updated
        assertFalse(item.isUpdated());

        // Set only newInputs - still not updated
        item.setNewInputs(new String[] { "new" });
        assertFalse(item.isUpdated());

        // Set both newInputs and newOutput - now updated
        item.setNewOutput("newOutput");
        assertTrue(item.isUpdated());

        // Set newInputs to null - not updated