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https://issues.apache.org/jira/browse/FLINK-20297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17243031#comment-17243031
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Dawid Wysakowicz commented on FLINK-20297:
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Are there any other cases other than {{Unit}}, which is a very corner case
scenario. {{Unit}} is a very special type in Scala similar to the {{Void}}
type. Honestly I'd prefer not to change dozens of classes for that single case.
> Make `SerializerTestBase::getTestData` return List<T>
> -----------------------------------------------------
>
> Key: FLINK-20297
> URL: https://issues.apache.org/jira/browse/FLINK-20297
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System
> Reporter: Guowei Ma
> Assignee: Guowei Ma
> Priority: Minor
> Labels: pull-request-available
>
> Currently `SerializerTestBase::getTestData` return T[], which can not be
> override by the Scala. It means that developer could not add scala serializer
> test based on `SerializerTestBase`
> So I would propose to change the `SerializerTestBase::getTestData` to return
> List<T>
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