LibTest/math/MutableRectangle/topLeft_A01_t02.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.

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

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

main() {
  dynamic r = new MutableRectangle(2, 1, 20, 15);
  Expect.throws(() {
    r.topLeft = new Point(1, 1);
  }, (e) => e is NoSuchMethodError);
}