Content - c4451e8c561d5885af4d8351a53470852d8ea67e - cdc337a/test/test_bug913761.html

test_bug913761.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=913761
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 913761 - basic support</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=913761">Mozilla Bug 913761</a>
<script type="application/javascript">

  function runTest() {
    var transportChannel = new MessageChannel();
    transportChannel.port1.onmessage = function (event) {
      ok(true, 'Port Returned.');
      var portToService = event.data.port;
      portToService.onmessage = function (event) {
        ok(true, "message received");
        SimpleTest.finish();
      };
      portToService.postMessage('READY?');
    }
    
    var serviceChannel = new MessageChannel();
    serviceChannel.port1.onmessage = function (event) {
      if (event.data == 'READY?') {
        this.postMessage('READY!');
      }
    }
    
    transportChannel.port2.postMessage({ port: serviceChannel.port2}, [serviceChannel.port2]);
  }

  SimpleTest.waitForExplicitFinish();
  SpecialPowers.pushPrefEnv({"set": [["dom.messageChannel.enabled", true]]}, runTest);
</script>
</body>
</html>