LayoutTests/fast/dynamic/simplified-layout-layout-assert.html

<style>
#inline_block {
  display: inline-block;
  width: 10px;
  height: 10px;
}

#change_this {
  position: absolute;
  transform: translate(10px);
}
</style>
<div id=container>
  <div id=inline_block>
    <div style="position: relative"><span id=change_this></span></div>
  </div>PASS<br>if no
<script>
  if (window.testRunner)
    testRunner.dumpAsText();
  document.body.offsetHeight;
  change_this.style.transform = "translateX(30px)";
  container.appendChild(document.createTextNode(" assert"));
</script>