#vulnerable code 
                                @Test
    public void testGetRecords() throws IOException {
        CSVParser parser = new CSVParser(new StringReader(code));
        String[][] tmp = parser.getRecords();
        assertEquals(res.length, tmp.length);
        assertTrue(tmp.length > 0);
        for (int i = 0; i < res.length; i++) {
            assertTrue(Arrays.equals(res[i], tmp[i]));
        }
    } 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                @Test
    public void testGetRecords() throws IOException {
        CSVParser parser = new CSVParser(new StringReader(code));
        List<CSVRecord> records = parser.getRecords();
        assertEquals(res.length, records.size());
        assertTrue(records.size() > 0);
        for (int i = 0; i < res.length; i++) {
            assertTrue(Arrays.equals(res[i], records.get(i).values()));
        }
    }