Srujan Gaddam
39509bae5f
Change-Id: I01cf3de95f4d7c67f97d440187a2d7254c7daecc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140646 Reviewed-by: Bob Nystrom <rnystrom@google.com>
33 lines
850 B
Dart
33 lines
850 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file
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library JsInterop1Test;
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import 'package:async_helper/async_helper.dart';
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import 'dart:async';
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import 'dart:html';
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injectSource(code) {
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final script = new ScriptElement();
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script.type = 'text/javascript';
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script.innerHtml = code;
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document.body!.append(script);
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}
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main() {
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asyncTest(() async {
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var subscription;
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var completer = Completer<void>();
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subscription = window.onMessage.listen((e) {
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if (!completer.isCompleted && e.data == 'hello') {
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completer.complete();
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subscription.cancel();
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}
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});
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injectSource("window.postMessage('hello', '*');");
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await completer;
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});
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}
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