inline-sticky-anonymous-container.html

<!DOCTYPE html>
<style>
body {
    height: 2000px;
    margin: 0;
    overflow: hidden;
    padding: 0;
}
.sticky {
    width: 200px;
    height: 200px;
    background-color: green;
    display: inline-block;
    position: sticky;
    top: 0;
}
.block {
    width: 200px;
    height: 200px;
    background-color: red;
}
</style>
<script>
function doTest()
{
    window.scrollTo(0, 200);
}
window.addEventListener('load', doTest, false);
</script>
<span class="sticky"></span>
<div class="block"></div>

chromium/third_party/blink/web_tests/fast/css/sticky/inline-sticky-anonymous-container.html