[jira] [Assigned] (DAFFODIL-2065) Incorrectly attempting to cast signed to unsigned type

["Josh Adams (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DAFFODIL-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Adams reassigned DAFFODIL-2065:
------------------------------------

    Assignee: Josh Adams

> Incorrectly attempting to cast signed to unsigned type
> ------------------------------------------------------
>
>                 Key: DAFFODIL-2065
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2065
>             Project: Daffodil
>          Issue Type: Bug
>          Components: Back End
>    Affects Versions: 2.2.0
>         Environment: Ubuntu 18.04.1 LTS
>            Reporter: Brandon Sloane
>            Assignee: Josh Adams
>            Priority: Major
>         Attachments: test.dfdl.xsd
>
>
> When adding a signed and unsigned type, Daffodil attempts to cast the signed value to unsigned. The correct behaviour would be to cast the unsigned to signed.
> When running the attached schema on an empty file, the following error is produced:
> {quote}[error] Schema Definition Error: Cannot convert '-1' from Long type to UnsignedInt (Negative value -1 cannot be converted to an unsigned int.).
> Schema context: element reference tns:x Location line 3 in file:/home/bsloane/Documents/incubator-daffodil/test/test.dfdl.xsd
> The relevent piece of schema is:
> <xs:element name="x" type="xs:int" dfdl:inputValueCalc="\{ xs:unsignedInt(1) + (-1) }" />
> {quote}



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