RFR: 8345421: (bf) Create specific test for temporary direct buffers and the buffer size limit [v3]

[Alan Bateman]

On Tue, 10 Dec 2024 22:14:10 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Add a specific test for [JDK-8344882](https://bugs.openjdk.org/browse/JDK-8344882).
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8345421: use try-with-resources; deleteIfExists -> delete

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/22525#pullrequestreview-2494471215