RFR: 8269806: Emoji rendering on Linux [v17]

[Nikita Gubarkov]

On Wed, 25 Jan 2023 18:40:31 GMT, Phil Race <prr at openjdk.org> wrote:

>> Nikita Gubarkov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Skip tests if required font is absent
>
> src/java.desktop/macosx/classes/sun/font/CCharToGlyphMapper.java line 92:
> 
>> 90: 
>> 91:     private static int unicodeToUnits(int unicode, int dstOffset, char[] dst) {
>> 92:         if (unicode >= 0x10000) {
> 
> Why can't you use public API that already does this ? [ ](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Character.html#toChars(int,char%5B%5D,int)) ?

Which API exactly? I didn't know there is any, so I added this as a helper method.

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PR: https://git.openjdk.org/jdk/pull/4798