LibTest/io/BytesBuilder/length_A01_t01.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion int length
/// The number of bytes in the builder.
/// @description Checks that this property returns the number of bytes in the
/// builder
/// @author sgrekhov@unipro.ru

import "dart:io";
import "../../../Utils/expect.dart";

main() {
  BytesBuilder builder = new BytesBuilder();
  Expect.equals(0, builder.length);

  var data = [1, 2, 3];
  builder.add(data);
  Expect.equals(3, builder.length);

  builder.addByte(0);
  Expect.equals(4, builder.length);
}