test_MessageEvent.html

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<!--

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

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<head>

  <title>MessageEvent tests</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

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

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<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">

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<button id="target">target</button>

<pre id="test">

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

/** Test for Bug 387706 **/

SimpleTest.waitForExplicitFinish();

var data = "foobar";

var origin = "http://cool.example.com";

var bubbles = true, cancelable = true;

var lastEventId = "lastEventId";

var target;

var count = 0;

function sendMsg()

try

    var evt = new MessageEvent('message', {

      bubbles, cancelable, data,

      origin, lastEventId, source: window});

    ok(evt instanceof MessageEvent, "I ordered a MessageEvent!");

    is(evt.data, data, "unexpected data");

    is(evt.origin, origin, "unexpected origin");

    is(evt.lastEventId, lastEventId, "unexpected lastEventId");

    is(evt.cancelable, cancelable, "wrong cancelable property");

    is(evt.bubbles, bubbles, "wrong bubbling property");

    is(evt.source, window, "wrong source");

    return target.dispatchEvent(evt);

  catch (e)

    ok(false, "exception thrown: " + e);

    return false;

function recvMsg(evt)

  is(evt.data, data, "unexpected data");

  is(evt.origin, origin, "unexpected origin");

  is(evt.lastEventId, lastEventId, "unexpected lastEventId");

  is(evt.cancelable, cancelable, "wrong cancelable property");

  is(evt.bubbles, bubbles, "wrong bubbling property");

  is(evt.source, window, "wrong source");

  is(evt.target, target, "wrong target");

  if (target == evt.currentTarget)

    is(Event.AT_TARGET, evt.eventPhase, "this listener was on the target");

  else

    is(evt.currentTarget, document, "should have gotten this at the window");

    is(Event.BUBBLING_PHASE, evt.eventPhase, "wrong phase");

  count++;

function setup()

  target = $("target");

  target.addEventListener("message", recvMsg);

  document.addEventListener("message", recvMsg);

  var res = sendMsg();

  ok(res === true, "nothing canceled this");

  is(count, 2, "listener not called twice");

  SimpleTest.finish();

addLoadEvent(setup);

</script>

</pre>

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