On Fri, 14 Aug 2026 13:58:59 GMT, Tatsunori Uchino <[email protected]> wrote:
>> Adds `codePointCount()` overloads to `String`, `Character`,
>> `(Abstract)StringBuilder`, and `StringBuffer` to make it possible to
>> conveniently retrieve the length of a string as code points without extra
>> boundary checks.
>>
>>
>> if (superTremendouslyLongExpressionYieldingAString().codePointCount() >
>> limit) {
>> throw new Exception("exceeding length");
>> }
>>
>>
>> Is a CSR required to this change?
>>
>> - [x] I confirm that I make this contribution in accordance with the
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Tatsunori Uchino has updated the pull request incrementally with one
> additional commit since the last revision:
>
> Change "isolated surrogate code unit" to "unpaired surrogate"
test/jdk/java/lang/String/Supplementary.java line 425:
> 423: int result = str.codePointCount();
> 424: int expected = Character.codePointCount(str, 0,
> str.length());
> 425: check(result != expected, "substring:codePointCount()",
> result, expected);
Nit - the error message is incorrect here. There's no substring involved here,
so I think the message should just be "String::codePointCount()".
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PR Review Comment: https://git.openjdk.org/jdk/pull/26461#discussion_r3818027856
