[jdk17u-dev] Integrated: 8310049: Refactor Charset tests to use JUnit

[Goetz Lindenmaier]

On Sun, 5 Oct 2025 18:00:35 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this for parity with 17.0.18-oracle.
> 
> I had to resolve as [8260265: UTF-8 by Default](https://bugs.openjdk.org/browse/JDK-8260265) is not in 17.
> 
> The most notable difference is that I omitted the method defaultCharsetTest()
> rather at the beginning, which replaces the try/catch added by 8260265 at the end.

This pull request has now been integrated.

Changeset: 9ae44eff
Author:    Goetz Lindenmaier <goetz at openjdk.org>
URL:       https://git.openjdk.org/jdk17u-dev/commit/9ae44eff128f92f7111e8f088639c6ef1150753c
Stats:     2047 lines in 8 files changed: 405 ins; 358 del; 1284 mod

8310049: Refactor Charset tests to use JUnit

Reviewed-by: rschmelter
Backport-of: 09174e0c994dfb19fd09f551720c13c6479812d4

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PR: https://git.openjdk.org/jdk17u-dev/pull/4015