blob: cd18adbd7b9df3534fbc3c1f3d86a90c5abd481d [file] [log] [blame]
// Copyright (c) 2015, 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.
library custom_elements_method_clash;
import 'dart:async';
import 'dart:html';
import 'package:async_helper/async_minitest.dart';
import 'utils.dart';
class CustomElement extends HtmlElement {
factory CustomElement() => new Element.tag('x-custom') as CustomElement;
CustomElement.created() : super.created() {}
// Try to clash with native 'appendChild' method.
void appendChild() {
throw 'Gotcha!';
main() async {
await customElementsReady;
group('test', () {
test('test', () {
document.registerElement2('x-custom', {'prototype': CustomElement});
CustomElement custom = new CustomElement();
// Will call appendChild in JS.
custom.children.add(new DivElement()..text = 'Hello world!');
try {
custom.appendChild(); // Make sure method is not tree shaken.
fail('appendChild did not throw');
} catch (e) {
expect(e, equals('Gotcha!'));