document.put("int_field", 123);

        String[] stringValues = defaultContentsParser.getFieldValues(document, "string_field");
        assertEquals(1, stringValues.length);
        assertEquals("value1", stringValues[0]);

        String[] arrayValues = defaultContentsParser.getFieldValues(document, "string_array_field");
        assertEquals(2, arrayValues.length);
        assertEquals("value2", arrayValues[0]);

        for (final String tagFieldName : tagFieldNames) {
            tagList.addAll(Arrays.asList(getFieldValues(document, tagFieldName)));
        }
        final String[] tags = tagList.toArray(new String[tagList.size()]);
        final String[] roles = getFieldValues(document, roleFieldName);

        for (final String field : fields) {
            final Object textObj = document.get(field);