42 lines
868 B
HTML
42 lines
868 B
HTML
<!DOCTYPE html>
|
|
<html lang="en" class="reftest-wait">
|
|
<meta charset="utf-8">
|
|
<title>Changes to background-position should not cause things to repaint that don't intersect the background image.</title>
|
|
|
|
<style>
|
|
|
|
body {
|
|
margin: 0;
|
|
}
|
|
|
|
#background {
|
|
height: 512px;
|
|
background-image: url(image_rgrg-256x256.png);
|
|
background-repeat: no-repeat;
|
|
background-position: 300px 50px;
|
|
}
|
|
|
|
#not-intersecting-background {
|
|
box-sizing: border-box;
|
|
width: 200px;
|
|
height: 200px;
|
|
margin: 50px;
|
|
border: 1px solid lime;
|
|
}
|
|
|
|
</style>
|
|
|
|
<div id="background">
|
|
<div id="not-intersecting-background" class="reftest-no-paint"></div>
|
|
</div>
|
|
|
|
<script>
|
|
|
|
function doTest() {
|
|
document.querySelector("#background").style.backgroundPosition = "300px 100px";
|
|
document.documentElement.removeAttribute("class");
|
|
}
|
|
document.addEventListener("MozReftestInvalidate", doTest);
|
|
|
|
</script>
|