image/test/mochitest/test_bug497665.html
author Bobby Holley <bobbyholley@gmail.com>
Fri, 30 Dec 2011 09:35:38 -0800
changeset 86019 e1b00c29bf03a01186b1541e4ead4de144592c77
parent 80191 0a5e72d1b479b9f015a407e33e9001e5ad0aa786
child 162797 356ba083bb5f8f5e6f76d69d2f5109d37b709039
permissions -rw-r--r--
Bug 713747 - Use UniversalXPConnect and UniversalXPConnect only in test coverage. r=bz

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=497665
-->
<head>
  <title>Test for Bug 497665</title>
  <script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
  <script type="application/javascript" 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=497665">Mozilla Bug 497665</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">

var image1first, image2first, image1second, image2second, image1third, image2third;

SimpleTest.waitForExplicitFinish();

function checkFirst()
{
  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

  var iframeelem = document.getElementById('test-iframe');
  var canvas = document.getElementById('canvas');
  var ctx = canvas.getContext('2d');

  var firstimg = iframeelem.contentDocument.getElementById('image1');
  var secondimg = iframeelem.contentDocument.getElementById('image2');
  ctx.drawImage(firstimg, 0, 0);
  image1first = canvas.toDataURL();
  ctx.drawImage(secondimg, 0, 0);
  image2first = canvas.toDataURL();

  ok(image1first == image2first, "We got different images, but shouldn't have.");

  iframeelem.onload = checkForceReload;
  iframeelem.contentWindow.location.reload(true);
}

function checkForceReload()
{
  var iframeelem = document.getElementById('test-iframe');
  var canvas = document.getElementById('canvas');
  var ctx = canvas.getContext('2d');

  var firstimg = iframeelem.contentDocument.getElementById('image1');
  var secondimg = iframeelem.contentDocument.getElementById('image2');
  ctx.drawImage(firstimg, 0, 0);
  image1second = canvas.toDataURL();
  ctx.drawImage(secondimg, 0, 0);
  image2second = canvas.toDataURL();

  ok(image1second == image2second, "We got different images after a force-reload, but shouldn't have.");

  // Sanity check that we actually reloaded.
  ok(image1first != image1second, "We got the same images after a force-reload.");

  iframeelem.onload = checkReload;
  iframeelem.contentWindow.location.reload(false);
}

function checkReload()
{
  var iframeelem = document.getElementById('test-iframe');
  var canvas = document.getElementById('canvas');
  var ctx = canvas.getContext('2d');

  var firstimg = iframeelem.contentDocument.getElementById('image1');
  var secondimg = iframeelem.contentDocument.getElementById('image2');
  ctx.drawImage(firstimg, 0, 0);
  image1third = canvas.toDataURL();
  ctx.drawImage(secondimg, 0, 0);
  image2third = canvas.toDataURL();

  ok(image1third == image2third, "We got different images after a reload, but shouldn't have.");

  // Sanity check that we actually reloaded properly.
  ok(image1second != image1third, "We got the same images after a reload.");
  ok(image1first == image1third, "We didn't loop back to the first image.");

  SimpleTest.finish();
}

</script>
</pre>
<div id="content"> <!-- style="display: none" -->
<canvas id="canvas" width="100" height="100"> </canvas>
<iframe id="test-iframe" src="bug497665-iframe.html" onload="checkFirst()"></iframe>
</div>
</body>
</html>