large-gradient-3.html
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE html>
<html lang="en" class="reftest-wait">
<meta charset="utf-8">
<title>Make sure that large gradient backgrounds are painted even at extreme scroll positions</title>
<!-- See https://bugzilla.mozilla.org/show_bug.cgi?id=1011166 -->
<style>
html {
background: white;
overflow: hidden;
}
body {
margin: 0;
height: 204000px; /* = 255 * 800 */
background-image: linear-gradient(rgb(0,0,0) 0px, rgb(255,255,255) 204000px);
}
div {
height: 1000px;
background-color: red;
}
</style>
<div></div>
<script>
window.addEventListener("MozReftestInvalidate", function () {
document.documentElement.scrollTop = 210 * 800; // 168000 > 131072 == 2^17
document.documentElement.removeAttribute("class");
});
</script>
