    @Test
    public void parseMultipleSort() {

        String sortExpression = "sort ( + employee.name, - company.code) ";
        SortNodeList sortNodeList = new SortTokenParserAdapter().parse(sortExpression);
        assertNotNull(sortNodeList);
        List<SortNode> sortNodes =  sortNodeList.getNodes();
        assertEquals(2, sortNodes.size());
        SortNode sortNode = sortNodes.get(0);
        assertEquals("employee.name", sortNode.getField());
        assertEquals(SortNode.Order.ASC, sortNode.getOrder());
        SortNode sortNode2 = sortNodes.get(1);
        assertEquals("company.code", sortNode2.getField());
        assertEquals(SortNode.Order.DESC, sortNode2.getOrder());
    }