Björn Kautler created GROOVY-9661:
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Summary: 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
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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