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https://issues.apache.org/jira/browse/GROOVY-9661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Sun resolved GROOVY-9661.
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Fix Version/s: 3.0.6
4.0.0-alpha-1
Assignee: Paul King
Resolution: Fixed
The proposed PR is merged. Thanks!
> Since Groovy 3 ArrayExpression#sizeExpression can suddenly return null
> ----------------------------------------------------------------------
>
> Key: GROOVY-9661
> URL: https://issues.apache.org/jira/browse/GROOVY-9661
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 3.0.5
> Reporter: Björn Kautler
> Assignee: Paul King
> Priority: Major
> Fix For: 4.0.0-alpha-1, 3.0.6
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Before Groovy 3, {{ArrayExpression#sizeExpression}} never was {{null}},
> because you could only write {{new Object[0][1]}}, but {{new Object[] \{ 1, 2
> }}} was not valid syntax.
> Now with Groovy 3 both syntaxes are valid.
> In the former case you get for {{expressions}} an empty list and for
> {{sizeExpression}} a list with the two size expressions.
> In the latter case you get for {{expressions}} a list with the two member
> expressions and for {{sizeExpression}} you get {{null}}.
> This is somewhat unexpected and inconsistent.
> Some code (Spock currently does unless
> [https://github.com/spockframework/spock/pull/1203/files] gets merged) might
> assume {{sizeExpression}} is always non-{{null}} as it always was.
> I asked Paul and he said this should probably be fixed on Groovy side to also
> provide an empty list here, so here is the according issue. :)
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