gecko-dev/layout/reftests/image-element/mozsetimageelement-02.html

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HTML

<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/licenses/publicdomain/
Test that document.mozSetImageElement() after a paint causes a repaint.
-->
<!DOCTYPE html>
<html class="reftest-wait">
<body style="background-image: -moz-element(#e)">
<div style="overflow:hidden; height:0;">
<div id="e" style="width: 50px; height: 50px; background: red;"></div>
<div id="white" style="width: 50px; height: 50px; background: white;"></div>
</div>
<script>
window.addEventListener("MozReftestInvalidate", function () {
document.mozSetImageElement("e", document.getElementById("white"));
document.documentElement.className = "";
}, false);
</script>
</body>
</html>