#fixed code
                                @Test
    public void testEncodeAtzNotEmpty() throws EncoderException {
        BeiderMorseEncoder bmpm = new BeiderMorseEncoder();
        bmpm.setNameType(NameType.GENERIC);
        bmpm.setRuleType(RuleType.APPROX);
        String[] names = { "ácz", "átz", "Ignácz", "Ignátz", "Ignác" };
        for (String name : names) {
            assertNotEmpty(bmpm, name);
        }
    }
#vulnerable code 
                                @Test
    public void testEncodeAtzNotEmpty() throws EncoderException {
        BeiderMorseEncoder bmpm = new BeiderMorseEncoder();
        bmpm.setNameType(NameType.GENERIC);
        bmpm.setRuleType(RuleType.APPROX);
        String[] names = { "ácz", "átz", "Ignácz", "Ignátz", "Ignác" };
        for (String name : names) {
            Assert.assertFalse(bmpm.encode(name).equals(""));
        }
    } 
                            #location 8 
                            #vulnerability type NULL_DEREFERENCE