// 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 final Node parentNode
/// The parent node of this node.
/// Returns null if this node either does not have a parent or its parent is not an element.
/// @description Checks that document is not a child of any node.

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

main() {
  Expect.isNull(document.parentNode);
}