[jira] [Created] (JEXL-301) Array access operator does not fail on null object in non-strict arithmetic mode

["Dmitri Blinov (JIRA)" <ji...@apache.org>]

Dmitri Blinov created JEXL-301:
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             Summary: Array access operator does not fail on null object in non-strict arithmetic mode
                 Key: JEXL-301
                 URL: https://issues.apache.org/jira/browse/JEXL-301
             Project: Commons JEXL
          Issue Type: Bug
    Affects Versions: 3.1
            Reporter: Dmitri Blinov


Consider the following test cases 
{code}
    @Test
    public void testNullArrayAccess() throws Exception {
        JexlEngine jexl = new JexlBuilder().arithmetic(new JexlArithmetic(false)).create();
        JexlScript s = jexl.createScript("var x = null; x[0]");
        try {
           Object o = s.execute(null);
           Assert.fail("Should have failed");
        } catch (Exception ex) {
           //
        }
    }
{code} and {code}
    @Test
    public void testNullArrayAccess2() throws Exception {
        JexlEngine jexl = new JexlBuilder().arithmetic(new JexlArithmetic(false)).create();
        JexlScript s = jexl.createScript("var x = [null,1]; x[0][0]");
        try {
           Object o = s.execute(null);
           Assert.fail("Should have failed");
        } catch (Exception ex) {
           //
        }
    }
{code}
I exect array access operator to work identically in both cases, i.e. we should fail on trying to get an array element of null. Nevertheless, only the second case fails. I think this is a bug.



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