RFR: 8350704: Create tests to ensure the failure behavior of core reflection APIs [v3]

[Chen Liang]

On Mon, 24 Mar 2025 21:29:29 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Core reflection's generic signature parsing system is used for many aspects, including annotations and enclosing methods, yet it is under-tested. It is better for us to set up tests to ensure that sensitive error behaviors of core reflection remain the same across implementation updates, such as #19281.
>> 
>> This patch also includes a JUnit converted version of https://github.com/openjdk/jdk/pull/22581#issuecomment-2521703511 test checking behavior around annotations with duplicate interfaces. Interesting that this causes failure in class, field, and methods (constructors), but not in parameters.
>> 
>> Testing: jdk-tier 1, jdk-tier 2
>
> Chen Liang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Forgot to commit the updated tests
>  - Merge branch 'master' of https://github.com/openjdk/jdk into fix/reflect-behavior-tests
>  - Remove useless directive
>  - 8350704: Create tests to ensure the failure behavior of core reflection APIs

Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/23788#issuecomment-2777306417