[jira] [Resolved] (JEXL-383) Inconsistent behavior after overriding toBoolean method in JexlArithmetic

["Henri Biestro (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JEXL-383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Biestro resolved JEXL-383.
--------------------------------
    Fix Version/s: 3.3
       Resolution: Fixed

Thank you for your issue.
This has been implement through JEXL-359 and is actually being refined in JEXL-384.
Added your test case in the [JEXL-384 branch|https://github.com/apache/commons-jexl/tree/JEXL-384].

> Inconsistent behavior after overriding toBoolean method in JexlArithmetic
> -------------------------------------------------------------------------
>
>                 Key: JEXL-383
>                 URL: https://issues.apache.org/jira/browse/JEXL-383
>             Project: Commons JEXL
>          Issue Type: Bug
>    Affects Versions: 3.2.1
>            Reporter: Xu Pengcheng
>            Assignee: Henri Biestro
>            Priority: Major
>             Fix For: 3.3
>
>
> I tried to overriding "toBoolean" method of JexlArithmetic for 'strict' mode.
> {code:java}
> @Override
> public boolean toBoolean(final Object val) {
>   if (val == null) {
>     return false;
>   } else {
>     return super.toBoolean(val);
>   }
> } {code}
>  while executing code:
> parameters:
> {code:java}
> a: null
> {code}
> but while executing scripts, the behavior is inconsistent
> {code:java}
> if (a) return 1 else return 2;  // returns 2
> if (!a) return 1 else return 2; // expects return 1 but throws exception: variable 'a' is null{code}
>  
> what should I do to fix it? thanks!
> -Pengcheng
>  
>  



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