synonymItem.setNewInputs(new String[0]);
        synonymItem.setNewOutputs(new String[0]);
        assertTrue(synonymItem.isUpdated());
        assertTrue(synonymItem.isDeleted());
    }

    @Test
    public void test_new2() {
        final SynonymItem synonymItem = new SynonymItem(1, new String[] { "A", "a" }, new String[] { "B", "b" });
        assertEquals(1, synonymItem.getId());

        List<SynonymItem> itemList = new ArrayList<>();
        itemList.add(new SynonymItem(1, new String[] { "a1" }, new String[] { "A1" }));
        itemList.add(new SynonymItem(2, new String[] { "b1", "b2" }, new String[] { "B1" }));
        itemList.add(new SynonymItem(3, new String[] { "c1" }, new String[] { "C1", "C2" }));
        itemList.add(new SynonymItem(4, new String[] { "x1", "X1" }, new String[] { "x1", "X1" }));