test_bug1217571.html

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<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1217571

-->

<head>

  <title>Test for Bug 1217571</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=1217571">Mozilla Bug 1217571</a>

<p id="display"></p>

<iframe src="bug1217571-iframe.html"></iframe>

<iframe src="bug1217571-iframe.html"></iframe>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 614392**/

SimpleTest.waitForExplicitFinish();

window.onload = function() {

  // Each iframe loads the same image.  Both images should share the same

  // container from the image cache.  Check that this holds true.

  var iframes = document.getElementsByTagName("iframe");

  var imgs = Array.from(iframes, function (f) {

      return SpecialPowers.wrap(f.contentDocument.getElementsByTagName("img")[0]);

});

  var containers = imgs.map(function (img) {

      return img.getRequest(SpecialPowers.Ci.nsIImageLoadingContent.CURRENT_REQUEST)

                .image;

});

  ok(SpecialPowers.compare(containers[0], containers[1]),

     "containers for identical images in different iframes should be identical");

  SimpleTest.finish();

</script>

</pre>

</body>

</html>