reallyTestNoMatches(matcher, s);
    reallyTestAllMatches(matcher.negate(), s);
    reallyTestNoMatches(matcher.precomputed(), s);
    reallyTestAllMatches(matcher.negate().precomputed(), s);
    reallyTestAllMatches(matcher.precomputed().negate(), s);
    reallyTestNoMatches(forPredicate(matcher), s);

    reallyTestNoMatches(matcher, new StringBuilder(s));
  }