// 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.

/// @assertion Point<T> bottomLeft
/// Point<T> get bottomLeft => new Point<T>(this.left, this.top + this.height);
/// @description Checks that bottomLeft is read-only and cannot be set.
/// @author ngl@unipro.ru

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

main() {
  dynamic r = new Rectangle(1, 2, 3, 4);
  try {
    r.bottomLeft = new Point(1, 1);
    Expect.fail("[bottomLeft] should be read-only");
  } on NoSuchMethodError {};
}
