On Tue, 5 Aug 2025 08:29:21 GMT, Volkan Yazici <vyaz...@openjdk.org> wrote:
>> Fix `HKSCS` encoder to correctly set the replacement character, and add >> tests to verify the `CodingErrorAction.REPLACE` behavior of all available >> encoders. > > test/jdk/sun/nio/cs/TestEncoderReplaceLatin1.java line 139: > >> 137: return coderResult.isUnmappable(); >> 138: }; >> 139: } > > I'd appreciate it if you can double-check these _"Is the given `char[]` > unmappable for a particular encoder?"_ test generators. I might be missing something you're trying to do here, but any reason why we can't just go return c -> !encoder.canEncode(c[0]); as the predicate? I think we are doing 'single char', no surrogates, here, right? or simply do with private static char[] findUnmappable(CharsetEncoder encoder) { for (char c = 0; c < 0xff; c++) { if (!encoder.canEncode(c)) return new char[]{c}; } System.err.println("Could not find an unmappable character!"); return null; } ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/26635#discussion_r2255587104