test_postMessage_chrome.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=postMessage

-->

<head>

  <title>postMessage chrome tests</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <script src="chrome://mochikit/content/chrome-harness.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=postMessage">Mozilla Bug 387706</a>

<p id="display"></p>

<div id="content" style="display: none"></div>

<iframe src="http://example.org/tests/dom/tests/mochitest/whatwg/postMessage_chrome_helper.html"

        name="contentDomain"></iframe>

<pre id="test">

<script class="testbody" type="application/javascript">

/** Test for Bug 387706 **/

SimpleTest.waitForExplicitFinish();

var finished = false;

function finish()

  if (!finished)

    finished = true;

    SimpleTest.finish();

/** Receives MessageEvents to this window. */

function messageReceiver(evt)

  ok(evt instanceof MessageEvent, "umm, how did we get this?");

  is(evt.type, "message", "expected events of type 'message'");

  is(evt.lastEventId, "", "postMessage creates events with empty lastEventId");

  switch (evt.data)

    case "path-is-set":

      chromePathIsSet(evt);

      break;

    case "post-to-self":

      checkSelf(evt);

      break;

    case "post-to-content-response":

      receiveContent(evt);

      break;

    default:

      ok(false, "unexpected message: " + evt.data);

      finish();

      break;

/******************

 * SELF-RESPONDER *

 ******************/

function checkSelf(evt)

  var prepath = getChromePrePath(window.location.href);

  is(evt.isTrusted, true, "should have sent a trusted event");

  is(evt.origin, prepath, "wrong origin for chrome: URL");

  is(evt.source, null, "chrome posters get a null source, for security");

  window.frames.contentDomain.postMessage(prepath, "*");

function chromePathIsSet(evt)

  window.frames.contentDomain.postMessage("post-to-content",

                                          "http://example.org");

/*************

 * RECEIVERS *

 *************/

function receiveContent(evt)

  is(evt.isTrusted, true, "should have sent a trusted event");

  finish();

/**************

 * TEST SETUP *

 **************/

function run()

  window.addEventListener("message", messageReceiver);

  window.postMessage("post-to-self", "*");

window.addEventListener("load", run);

</script>

</pre>

</body>

</html>