tests/html/js_interop_3_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

library JsInterop3Test;
import '../../pkg/unittest/lib/unittest.dart';
import '../../pkg/unittest/lib/html_config.dart';
import 'dart:async';
import 'dart:html';
import 'dart:isolate';

injectSource(code) {
  final script = new ScriptElement();
  script.type = 'text/javascript';
  script.innerHtml = code;
  document.body.append(script);
}

var jsToDart = """
  var fun1 = window.lookupPort('fun1');
  var result = fun1.callSync({'a': 'Hello', 'b': 'World', c: 42});

  var fun2 = window.lookupPort('fun2');
  fun2.callSync(result);
""";

main() {
  useHtmlConfiguration();

  test('js-to-dart', () {
    var fun1 = (message) {
      expect(message['a'], 'Hello');
      expect(message['b'], 'World');
      expect(message['c'], 42);
      expect(message.keys.length, 3);
      return 42;
    };

    var port1 = new ReceivePortSync();
    port1.receive(fun1);
    window.registerPort('fun1', port1.toSendPort());

    // TODO(vsm): Investigate why this needs to be called asynchronously.
    var done = expectAsync0(() {});
    var fun2 = (message) {
      expect(message, 42);
      Timer.run(done);
    };

    var port2 = new ReceivePortSync();
    port2.receive(fun2);
    window.registerPort('fun2', port2.toSendPort());

    injectSource(jsToDart);
  });
}