[jboss-jira] [JBoss JIRA] (ELY-139) Appending into ByteStringBuilder fail if initial array blank

Appending into ByteStringBuilder fail if initial array blank ------------------------------------------------------------ Key: ELY-139 URL: https://issues.jboss.org/browse/ELY-139 Project: WildFly Elytron Issue Type: Bug Reporter: Jan Kalina Assignee: Jan Kalina Priority: Minor -ByteStringBuilder cannot append codepoints 0xD8xx (lonely surrogates). It should - StringBuilder.appendCodePoint() work with it.- -(Problem is only with uncomplete/nonvalid unicode strings, so it is not critical problem.)- Mentioned in: https://github.com/wildfly-security/wildfly-elytron/pull/101 *UPDATE:* ByteStringBuilder encode surrogates correctly by RFC3629 (if we ignore they are prohibited because they are reserved for UTF-16). Conversly StringBuilder and (char) operator encode D800-D8FF bad as 3F. Problem is only in appending into ByteStringBuilder constructed as: {code:xml} new ByteStringBuilder(new byte[]{}); {code}