String[] inputs2 = item.getInputs();
        assertEquals("a", inputs2[0]);
        assertEquals("b", inputs2[1]);
        assertEquals("c", inputs2[2]);
    }

    @Test
    public void test_defensiveCopy_newInputs() {
        // Test that getNewInputs() returns defensive copy
        CharMappingItem item = new CharMappingItem(1L, new String[] { "a" }, "output");
        item.setNewInputs(new String[] { "p", "q", "r" });