<i18n dev> RFR: 8369452: Locale.Builder.setLanguageTag(String) does not clear on empty or null String [v2]

[Justin Lu]

On Thu, 9 Oct 2025 23:27:06 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Justin Lu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Naoto's comment - improve err msg
>
> test/jdk/java/util/Locale/LocaleEnhanceTest.java line 779:
> 
>> 777:         bldr.setLanguageTag("en-US");
>> 778:         assertDoesNotThrow(() -> bldr.setLanguageTag(tag));
>> 779:         assertEquals(tag + " did not clear the builder", empty.build(), bldr.build());
> 
> Should not happen, but if empty string caused an assertion failure, the error message starts with " did not clear..."

Good point, updated.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27734#discussion_r2418189274