// 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 factory Element.tag(String tag, [String typeExtention])
/// Creates the HTML element specified by the tag name.
/// This is similar to Document.createElement. tag should be a valid HTML tag
/// name. If tag is an unknown tag then this will create an UnknownElement.
/// @description Checks that if tag is unknown, UnknownElement is created

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

main() {
  var x = new Element.tag('foo');
  Expect.isTrue(x is UnknownElement, 'foo is ${x.runtimeType}');
}