RFR: 8364007: Add no-argument codePointCount method to CharSequence and String [v14]

[Tatsunori Uchino]

On Thu, 29 Jan 2026 23:17:07 GMT, Tatsunori Uchino <duke at openjdk.org> wrote:

>> This should be sufficient for StressSBTest:
>> 
>> diff --git a/test/jdk/java/lang/StringBuilder/StressSBTest.java b/test/jdk/java/lang/StringBuilder/StressSBTest.java
>> index a5dc6672f07..6219851ee3b 100644
>> --- a/test/jdk/java/lang/StringBuilder/StressSBTest.java
>> +++ b/test/jdk/java/lang/StringBuilder/StressSBTest.java
>> @@ -1,5 +1,5 @@
>>  /*
>> - * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
>> + * Copyright (c) 2025, 2026, Oracle and/or its affiliates. All rights reserved.
>>   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
>>   *
>>   * This code is free software; you can redistribute it and/or modify it
>> @@ -279,6 +279,7 @@ private boolean invokeByMethodNameAndType(String name, MethodType mt, StringBuil
>>                  case "charAt(StringBuilder,int)char" -> sb.charAt(5);
>>                  case "codePointAt(StringBuilder,int)int" -> sb.codePointAt(4);
>>                  case "codePointBefore(StringBuilder,int)int" -> sb.codePointBefore(3);
>> +                case "codePointCount(StringBuilder)int" -> sb.codePointCount();
>>                  case "codePointCount(StringBuilder,int,int)int" -> sb.codePointCount(3, 9);
>>                  case "offsetByCodePoints(StringBuilder,int,int)int" -> sb.offsetByCodePoints(3, 7);
>>                  case "lastIndexOf(StringBuilder,String,int)int" -> sb.lastIndexOf("A", 45);
>
> Do we not need other additional test cases?

Do we not need other additional test cases?

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PR Review Comment: https://git.openjdk.org/jdk/pull/26461#discussion_r2743926750