tests/lib_strong/html/cross_domain_iframe_test.dart

// 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.

import 'dart:html';

import 'package:unittest/unittest.dart';

main() {
  test('cross_domain_iframe', () {
    var uri = Uri.parse(window.location.href);

    var crossOriginPort = int.parse(uri.queryParameters['crossOriginPort']);
    var crossOrigin = '${uri.scheme}://${uri.host}:$crossOriginPort';
    var crossOriginUrl =
        '$crossOrigin/root_dart/tests/html/cross_domain_iframe_script.html';

    var iframe = new IFrameElement();
    iframe.src = crossOriginUrl;
    document.body.append(iframe);

    window.onMessage.where((MessageEvent event) {
      return event.origin == crossOrigin;
    }).first.then(expectAsync((MessageEvent event) {
      expect(event.data, equals('foobar'));
      expect(event.source, isNotNull);
    }));
  });
}