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  1. WildFly Elytron
  2. ELY-139

Appending into ByteStringBuilder fail if initial array blank

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    Details

    • Type: Bug
    • Status: Resolved (View Workflow)
    • Priority: Minor
    • Resolution: Done
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None

      Description

      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:

          new ByteStringBuilder(new byte[]{});
      

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            Assignee:
            honza889 Jan Kalina (Inactive)
            Reporter:
            honza889 Jan Kalina (Inactive)
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              Updated:
              Resolved: