| // Copyright (c) 2012, 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 |
| |
| import 'dart:html'; |
| |
| import 'package:expect/minitest.dart'; |
| |
| main() { |
| var isUnknownElement = |
| predicate((x) => x is UnknownElement, 'is an UnknownELement'); |
| |
| dynamic foo = new Element.tag('foo'); |
| foo.id = 'foo'; |
| var bar = new Element.tag('bar'); |
| bar.id = 'bar'; |
| document.body.nodes.addAll(<Node>[foo, bar]); |
| |
| test('type-check', () { |
| expect(foo, isUnknownElement); |
| expect(bar, isUnknownElement); |
| expect(querySelector('#foo'), equals(foo)); |
| expect(querySelector('#bar'), equals(bar)); |
| }); |
| |
| test('dispatch-fail', () { |
| expect(() => foo.method1(), throwsNoSuchMethodError); |
| expect(() => foo.field1, throwsNoSuchMethodError); |
| expect(() { |
| foo.field1 = 42; |
| }, throwsNoSuchMethodError); |
| }); |
| } |