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https://issues.apache.org/jira/browse/DAFFODIL-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dinesh Chitlangia reassigned DAFFODIL-2081:
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Assignee: Dinesh Chitlangia (was: Dinesh Chitlangia)
> TDML doc page description of twoPass incorrect
> ----------------------------------------------
>
> Key: DAFFODIL-2081
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2081
> Project: Daffodil
> Issue Type: Bug
> Components: Documentation, Website
> Affects Versions: 2.3.0
> Reporter: Michael Beckerle
> Assignee: Dinesh Chitlangia
> Priority: Major
>
> The description of twoPass parserTestCases is not correct.
> The first parse happens and creates infoset1.
> The doc says infoset1 must not match the expected infoset, but that's not
> correct. It may or may not match. Often it will match.
> Then the unparse happens and creates outData1
> OutData1 must not match the original input data. If it did a onePass test
> would be sufficient.
> So that part is correct.
> Then the second parse happens and creates infoset2.
> Infoset2 must match the expected infoset.
> This can be verified by editing the CSV example. Add a second separator by
> changing dfdl:separator="," to dfdl:separator="| ," so that pipe or comma are
> accepted as separators, but pipe will be output by the unparser since it is
> listed first.
> Parser test cases that are default onePass will now fail, because the unparse
> produces data with pipes, but the input data had commas.
> However, the infoset created by the first parse does match what is expected.
> Changing these tests to "twoPass" makes them work. That means the fact that
> the first infoset comparison matched the expected is tolerated. The doc says
> it is not.
> Note that besides the doc page, the tdml.xsd in daffodil-lib has
> documentation in comments in it, and that is also wrong.
>
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