descend-into-container-with-float.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /css/css-scroll-anchoring/descend-into-container-with-float.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style>

body { height: 4000px; }

#outer { width: 300px; }

#outer:after { content: " "; clear:both; display: table; }

#float {

  float: left; background-color: #ccc;

  height: 500px; width: 100%;

#inner { height: 100px; background-color: green; }

</style>

<div id="outer">

  <div id="zeroheight">

    <div id="float">

       <div id="changer"></div>

       <div id="inner"></div>

    </div>

  </div>

</div>

<div>after</div>

<script>

// Tests that we descend into zero-height containers that have floating content.

test(() => {

  document.scrollingElement.scrollTop = 50;

  assert_equals(document.querySelector("#zeroheight").offsetHeight, 0);

  document.querySelector("#changer").style.height = "50px";

  assert_equals(document.scrollingElement.scrollTop, 100);

}, "Zero-height container with float.");

</script>