RFR: 8366733: Re-examine older java.text NF, DF, and DFS serialization tests

[Justin Lu]

On Fri, 5 Sep 2025 14:14:48 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Have you verified that the serialized streams in these new tests are identical to the hexformat versions?

I looked at the respective Serialization save files and what was being tested in the load files to determine the configuration of the replacement tests. I stepped through the tests with a debugger to make sure the data read from the stream that was being tested was accurate with what was indicated in the save file. I do not expect the streams themselves to be identical (since the new ones are mocked), but rather the invariants being tested should be the same.

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PR Comment: https://git.openjdk.org/jdk/pull/27108#issuecomment-3258975202