String[] values = parser.getFieldValues(document, "field");

        assertEquals("Empty string array should return empty array", 0, values.length);
    }

    @Test
    public void test_getFieldValues_mixedTypeList() throws Exception {
        Map<String, Object> document = new HashMap<>();
        List<Object> mixed = new ArrayList<>();
        mixed.add("string");
        mixed.add(123);
        mixed.add(true);