chromium/third_party/blink/web_tests/paint/invalidation/box/padding-keeping-content-size.html

<!DOCTYPE HTML>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest()
{
    // Both targets' visual size expand. Should full repaint.
    document.getElementById('target1').style.padding = '20px';
    document.getElementById('target2').style.padding = '20px';
}
window.onload = runRepaintAndPixelTest;
</script>
<style>
body {
    margin: 0;
}
.outer {
    width: 100px;
    height: 100px;
    position: absolute;
    background-color: green;
}
#target2 {
    top: 200px;
}
.inner {
    width: 100%;
    height: 100%;
    background-color: yellow;
}
</style>
<div id="target1" class="outer"></div>
<div id="target2" class="outer"><div class="inner"></div></div>