sb.append((char) (random.nextInt(127 - 9) + 9));
    }
    String string = sb.toString();
    sb.setLength(0);
    data = ByteSource.wrap(string.getBytes(charset));
  }

  @Benchmark
  public int timeCopy(int reps) throws IOException {
    int r = 0;
    Charset localCharset = charset;
    ByteSource localData = data;
    ReadStrategy localStrategy = strategy;
    for (int i = 0; i < reps; i++) {

      // [9-127) includes all ascii non-control characters
      sb.append((char) (random.nextInt(127 - 9) + 9));
    }
    data = sb.toString();
  }

  @Benchmark
  public long timeCopy(int reps) throws IOException {
    long r = 0;
    String localData = data;
    TargetSupplier localTarget = target;
    CopyStrategy localStrategy = strategy;
    for (int i = 0; i < reps; i++) {