LibTest/math/MutableRectangle/top_A02_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.

/// @assertion T top
/// Setting the value will move the rectangle without changing its height.
/// @description Checks that setting the value will not change height of the
/// rectangle.
/// @author ngl@unipro.ru

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

main() {
  MutableRectangle r = new MutableRectangle(2, 1, 20, 15);
  Expect.equals(1, r.top);
  var height1 = r.height;
  r.top = -1;
  Expect.equals(-1, r.top);
  var height2 = r.height;
  Expect.equals(height1, height2);
}