gecko-dev/layout/reftests/image/image-object-position-dyn-1...

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HTML

<!DOCTYPE html>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
This testcase ensures that we repaint correctly when "object-position" is
adjusted on a replaced element with SVG content. We start with
"object-position: 10px 15px", which lets a strip of the red background
show through on the top and left edges. We then change dynamically to
"object-position: 0 0", which (given our "object-fit: fill" value) lets
the SVG image fill each replaced element without any uncovered edges.
-->
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<style type="text/css">
embed, img, object, video {
object-fit: fill;
object-position: 10px 15px;
background: red;
width: 50px;
height: 30px;
}
</style>
<script>
function go() {
var elemsToTweak = ["embed", "img", "object", "video"];
elemsToTweak.forEach(tweakElemObjectFit);
document.documentElement.removeAttribute("class");
}
function tweakElemObjectFit(tagName) {
var elem = document.getElementsByTagName(tagName)[0];
elem.style.objectPosition = "0 0";
}
document.addEventListener("MozReftestInvalidate", go);
</script>
</head>
<body>
<embed src="500.svg">
<img src="500.svg">
<object data="500.svg"></object>
<video poster="500.svg"></video>
</body>
</html>