padding-keeping-visual-size.html | Explore in Territory

<!DOCTYPE HTML>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest()
{
    // No visual change. Optimally, there should be no repaint.
    var target1 = document.getElementById('target1');
    target1.style.padding = '20px';
    target1.style.width = '60px';
    target1.style.height = '60px';

    // Content will shrink. Should repaint at least the content.
    var target2 = document.getElementById('target2');
    target2.style.padding = '20px';
    target2.style.width = '60px';
    target2.style.height = '60px';
}
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>

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