[jdk8u] Integrated: 8241311: Move some charset mapping tests from closed to open

[Andrew John Hughes]

On Wed, 21 Jun 2023 01:18:23 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> This is a second pre-requisite for [JDK-8301119](https://bugs.openjdk.org/browse/JDK-8301119) ("Support for GB18030-2022") and so is being proposed for inclusion in 8u382 during rampdown, so that the changes are in place for when GB18030-2022 enforcement begins in August. It adds more tests for character mappings, including GB18030.
> 
> The patch only introduces new tests, shuffled to the correct location. The one change to an existing file (`TestCharsetMapping.java`) is dropped, as it only adds an unneeded `@modules` line. Similarly, `@modules` is dropped from `CoderTest.java`, `ConverterTest.java` and `TestConv.java`.
> 
> The remaining change is to `MS950.c2b-irreversible`. 8u does not have [JDK-8232161](https://bugs.openjdk.org/browse/JDK-8232161), a change with an associated CSR that changed some of the mappings in the MS950 character set. We removed the four mappings from the test set, so as to match 8u's behaviour and avoid the `CoderTest.java` test from failing.
> 
> All `sun.nio.cs` tests pass with this patch applied.

This pull request has now been integrated.

Changeset: 0bec498f
Author:    Andrew John Hughes <andrew at openjdk.org>
URL:       https://git.openjdk.org/jdk8u/commit/0bec498fc945a49f1134e02eb477e0af15db3b5b
Stats:     732192 lines in 166 files changed: 732192 ins; 0 del; 0 mod

8241311: Move some charset mapping tests from closed to open

Reviewed-by: sgehwolf
Backport-of: c809c9944400f7ee9bc296e40d6068273bde5912

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PR: https://git.openjdk.org/jdk8u/pull/44