} while (Character.isSurrogate((char) codePoint));
        sb.appendCodePoint(codePoint);
      }
      strings[i] = sb.toString();
    }
  }

  @Benchmark
  int hashUtf8(int reps) {
    int res = 0;
    for (int i = 0; i < reps; i++) {
      res +=
          System.identityHashCode(
              hashFunctionEnum.getHashFunction().hashString(strings[i & SAMPLE_MASK], UTF_8));
    }