LayoutTests/fast/repaint/box-shadow-top-left-repaint.html

<style>
body {
  margin: 0px;
}

div {
  padding: 50px;
  margin: 50px;
  font-family: Ahem;
  font-size: 10px;
}
</style>
<!-- Pass if green box shadow shows up on all sides. -->
<div><span id=box_shadow_horizontal>XXXXX</span></div>
<div style="writing-mode: vertical-lr"><span id=box_shadow_vertical>XXXXX</span></div>
<script src="resources/text-based-repaint.js" type="text/javascript"></script>
<script>
repaintTest = function() {
  box_shadow_horizontal.style.boxShadow = "-50px -25px 0px 50px green";
  box_shadow_vertical.style.boxShadow = "-50px -25px 0px 50px green";
};
runRepaintTest();
</script>