Quelle test_postMessage.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/tests/mochitest/whatwg/test_postMessage.html

<!DOCTYPE html>
<html>

<head>
  <title>Basic postMessage tests</title>
  <script 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=postMessage">Mozilla Bug 387706</a>
<p id="display"></p>
<div id="content" style="display: none"></div>

<iframe src="http://mochi.test:8888/tests/dom/tests/mochitest/whatwg/postMessage_helper.html"
        name="otherSameDomain"></iframe>
<iframe src="http://example.org:8000/tests/dom/tests/mochitest/whatwg/postMessage_helper.html"
        name="otherCrossDomain"></iframe>

<pre id="test">
<script class="testbody" type="application/javascript">
/** Test for Bug 387706 **/

SimpleTest.waitForExplicitFinish();

/** Variable for receivers to attempt to get. */
window.privateVariable = 17;

/** For sentinel finish, if necessary in deficient browsers. */
var finished = false;

/** Ends testing if it isn't already done. */
function finish()
{
  if (!finished)
  {
    finished = true;
    SimpleTest.finish();
  }
}

/** Receives MessageEvents. */
function messageReceiver(evt)
{
  try
  {
    ok(evt instanceof MessageEvent, "umm, how did we get this?");
    is(evt.lastEventId, "",
       "postMessage creates events with empty lastEventId");
    is(evt.type, "message", "expected events of type 'message'");
    ok(evt.isTrusted === true, "should have been a trusted event");

    var data = evt.data;

    // Check for the message we send to ourselves; it can't be
    // counted as a test, and it's conceptually distinct from
    // the other cases, so just return after handling it.
    if (data === "post-to-self")
    {
      respondToSelf(evt);
      return;
    }

    switch (evt.data)
    {
      case "post-to-self-response":
        receiveSelf(evt);
        break;

      case "post-to-other-same-domain-response":
        receiveOtherSameDomain(evt);
        break;

      case "post-to-other-cross-domain-response":
        receiveOtherCrossDomain(evt);

        // All the tests have executed, so we're done.
        finish();
        break;

      default:
        ok(false, "unexpected message: " + evt.data);
        finish();
        break;
    }
  }
  catch (e)
  {
    ok(false, "error processing event with data '" + evt.data + "': " + e);
    finish();
  }
}

/******************
* SELF-RESPONDER *
******************/

function respondToSelf(evt)
{
  is(evt.origin, "http://mochi.test:8888", "event has wrong origin");
  is(evt.source, window, "we posted this message!");

  evt.source.postMessage("post-to-self-response", evt.origin);
}

/*************
* RECEIVERS *
*************/

function receiveSelf(evt)
{
  is(evt.origin, "http://mochi.test:8888", "event has wrong origin");
  is(evt.source, window, "we posted this message!");

  window.frames.otherSameDomain.postMessage("post-to-other-same-domain",
                                            "http://mochi.test:8888");
}

function receiveOtherSameDomain(evt)
{
  is(evt.origin, "http://mochi.test:8888",
     "same-domain response event has wrong origin");
  is(evt.source, window.frames.otherSameDomain,
     "wrong source for same-domain message!");

  window.frames.otherCrossDomain.postMessage("post-to-other-cross-domain",
                                            "http://example.org:8000");
}

function receiveOtherCrossDomain(evt)
{
  is(evt.origin, "http://example.org:8000",
     "same-domain response event has wrong origin");

  // can't use |is| here, because ok tries to get properties on its arguments
  // for creating a formatted logging message
  ok(evt.source === window.frames.otherCrossDomain,
     "wrong source for cross-domain message!");
}

/**************
* TEST SETUP *
**************/

function start()
{
  window.postMessage("post-to-self", "http://mochi.test:8888");
}

window.addEventListener("load", start);
window.addEventListener("message", messageReceiver);

</script>
</pre>
</body>
</html>

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