// 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 String nodeValue
/// The value of this node.
/// This varies by this type's nodeType:
/// DocumentType -- null
/// @description Checks expected attribute values.

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

main() {
  var x = document.implementation.createDocumentType('html',
      '-//W3C//DTD HTML 4.01//EN', 'http://www.w3.org/TR/html4/strict.dtd');
  Expect.isNull(x.nodeValue);
}