LibTest/html/Element/clone_A03_t01.dart

// Copyright (c) 2014, 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 Node clone(bool deep)
/// Returns a copy of this node.
/// MDN: The duplicate node returned by cloneNode() is not part of the document
/// until it is added to another node that is part of the document using
/// Node.appendChild() or a similar method. It also has no parent until it is
/// appended to another node.
/// @description Checks that parent is not set after clone.

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

main() {
  var x = new Element.html('<div><pre></pre></div>');

  var y = x.clone(false);
  Expect.isNull(y.parent, 'parent of shallow copy');

  y = x.clone(true);
  Expect.isNull(y.parent, 'parent of deep copy');
}