<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=583889
-->
<head>
  <title>Test for Bug 583889</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=583889">Mozilla Bug 583889</a>
<iframe id="inner" style="width: 10px; height: 10px;"></iframe>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 583889 **/
SimpleTest.waitForExplicitFinish();

function grabEventAndGo(event) {
  gen.next(event);
}

function* runTest() {
  window.onload = grabEventAndGo;
  // Wait for onLoad event.
  yield;

  var inner = $("inner");
  inner.src = "bug583889_inner1.html";
  window.onmessage = grabEventAndGo;
  // Wait for message from 'inner' iframe.
  event = yield;

  while (event.data != "done") {
    data = JSON.parse(event.data);
    is(data.top, 300, "should remain at same top");
    is(data.left, 300, "should remain at same left");

    // Wait for message from 'inner' iframe.
    event = yield;
  }

  // finish(), yet let the test actually end first, to be safe.
  SimpleTest.executeSoon(SimpleTest.finish);
}

var gen = runTest();
gen.next();
</script>
</pre>
</body>
</html>