<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=400204
-->
<head>
  <title>Test for Bug 400204</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=400204">Mozilla Bug 400204</a>
<p id="display"></p>
<iframe id="content" src="about:blank" style="display: none"></iframe>
<pre id="test">
<script class="testbody" type="text/javascript">
  var c = document.getElementById("content");
  var success = false;
  // try to access innerWidth
  try { success = (c.contentWindow.innerWidth == 0); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerWidth, or it's not 0");

  // try to access innerHeight
  success = false;
  try { success = (c.contentWindow.innerHeight == 0); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerHeight, or it's not 0");

  // Snag the canonical getter and setter
  var innerWidthGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerWidth").get;
  var innerHeightGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerHeight").get;

  // try to set innerWidth
  success = false;
  try { c.contentWindow.innerWidth = 100; success = true; } catch(ex) { success = false; }
  ok(success, "can't set hidden iframe innerWidth");

  // try to set innerHeight
  success = false;
  try { c.contentWindow.innerHeight = 100; success = true; } catch(ex) { success = false; }
  ok(success, "can't set hidden iframe innerHeight");

  // now try these again for good measure, and to ensure the values
  // haven't changed except via getting replaced
  // try to access innerWidth
  success = false;
  try { success = (c.contentWindow.innerWidth == 100); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerWidth, or it's not 100");

  success = false;
  try { success = (innerWidthGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerWidth, or it's not 0");

  // try to access innerHeight
  success = false;
  try { success = (c.contentWindow.innerHeight == 100); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerHeight, or it's not 100");

  success = false;
  try { success = (innerHeightGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; }
  ok(success, "can't access hidden iframe innerHeight, or it's not 0");
</script>
</pre>
</body>
</html>
