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https://issues.apache.org/jira/browse/DAFFODIL-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17715016#comment-17715016
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Olabusayo Kilo commented on DAFFODIL-2802:
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I created a private repo with the actual schema and failing test. The part of
the schema to pay attention to is PredictionType in sets.dfdl.gen.xsd
URL:
[https://hqapp01.columbia.tresys.com/okilo_bug_examples/oth-gold-daf-2802/-/tree/daf-2802]
branch name: daf-2802
sbt command: sbt test (2 tests. 1 is just the parsertestcase and passes, the
other is the unparsertestcase which fails)
NOTE: This reproduces the problem, but it's not a public resource
daffodil git hash: 38f387109c1a4c622af2eda3d6aed1b4bf1a2c04
> Array with optional element followed by scalar optional element drops
> separator
> -------------------------------------------------------------------------------
>
> Key: DAFFODIL-2802
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2802
> Project: Daffodil
> Issue Type: Bug
> Components: Back End
> Affects Versions: 3.4.0
> Reporter: Olabusayo Kilo
> Priority: Blocker
> Fix For: 3.5.0
>
> Attachments: TestSeparatorSuppression.scala, suppressedseparator.tdml
>
>
> An array with a trailing optional element followed by a scalar optional
> element loses a separator when both elements are missing during an unparse.
> The trace indicates, there's a
> SuppressableSeparatorUnparserSuspendableOperation for the scalar element (se5
> in the example schema). My initial guess was that the last element in the
> array was being treated as a trailing element, but we need it to not be
> treated that way.
>
> For completeness, you get the following error from TDML on the 2nd test
> {noformat}
> output data length 12 for '/1/2/3.5//6
> ' doesn't match expected length 13 for '/1/2/3.5///6
> '{noformat}
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