Integrated: JDK-8322235: Split up and improve LocaleProvidersRun

[Justin Lu]

On Wed, 3 Jan 2024 23:30:41 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Please review this PR which splits up the _LocaleProvidersRun_ test file for performance and maintenance reasons.
> 
> _LocaleProvidersRun_ which tests against the various Locale Providers (CLDR, HOST, SPI, etc.) was getting rather long, as all related bugs were added to the single test file. To improve maintainability, this change splits up the single test file into separate test files focused on specific areas (ex: _j.text.Format_).  The original _LocaleProvidersRun_ test file remains and is used for more general Locale Provider testing such as the adapter loading.
> 
> In addition, the previously single test file used to suffer from performance issues, as each test method had to launch a new JVM (since Locale Providers are set at Java startup time). With this change, these tests files can be ran with VM flags and not cause timeout, thus `@requires vm.flagless` is no longer needed (Tiers 6-8 tested).
> 
> Other updates
> - For OS/locale specific tests, the OS/locale is now checked before (not after) launching a JVM
> - Added comments for each test method

This pull request has now been integrated.

Changeset: 4ea7b364
Author:    Justin Lu <jlu at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/4ea7b36447ea96d62b1ca164c34e2b2b74a16579
Stats:     569 lines in 8 files changed: 425 ins; 85 del; 59 mod

8322235: Split up and improve LocaleProvidersRun

Reviewed-by: naoto

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PR: https://git.openjdk.org/jdk/pull/17257