chromium/third_party/blink/web_tests/external/wpt/css/css-sizing/replaced-fractional-height-from-aspect-ratio.html

<!DOCTYPE html>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1052370" >
<meta name="assert" content="When determining the size of a replaced element, if it has an aspect ratio of 1/1 then the final height should be exactly equal to its width." />
<script src="../../resources/check-layout.js"></script>
<style>
canvas {
  float: left;
  background: green;
}
</style>
<div style="position: relative; width: 254px; zoom: 0.8;">
  <canvas style="width: 30%;" width="1" height="1"></canvas>
  <canvas style="width: 30%;" width="708" height="708"></canvas>
  <canvas id="target" style="width: 60%;" width="2" height="1" data-offset-x="0"></canvas>
</div>
<script>
checkLayout('#target');
</script>