blob: 94e62a7556aa34b01d817d4c5a00cf04b4ead858 [file] [log] [blame]
// Copyright (c) 2018, 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 mock;
import 'package:js/js.dart';
import 'package:expect/minitest.dart';
class Node {}
class Document extends Node {
external Element get body;
external get foo;
external Document get document;
class Element extends Node {
external String get tagName;
class MockDocument implements Document {
final Element body = new MockElement();
class MockElement implements Element {
final tagName = 'MockBody';
void main() {
test('js', () {
var f = foo;
expect(f, isNull);
var doc = document;
// Fails in dart2js
// expect(doc is Document, isTrue);
expect(doc is! Element, isTrue);
// Fails in dart2js
// expect(doc is Node, isTrue);
expect(doc is! MockDocument, isTrue);
expect(doc is! MockElement, isTrue);
test('mock', () {
var doc = new MockDocument();
expect(doc is Document, isTrue);
// Fails in dart2js
// expect(doc is! Element, isTrue);
expect(doc is Node, isTrue);
var body = doc.body;
// Fails in dart2js
// expect(body is! Document, isTrue);
expect(body is Element, isTrue);
expect(body is Node, isTrue);