File: detach-abspos-before-layout.html

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<!DOCTYPE html>
<title>Detaching positioned object before it is laid out should not crash</title>
<link rel="author" href="mailto:kojii@chromium.org">
<link rel="help" href="https://crbug.com/1101986">
<meta name="assert" content="Detaching positioned object before it is laid out should not crash">
<style>
.float {
  float: left;
}
.abs {
  position: absolute;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
  <div id="container">text<span id="target" class="float"></span></div>
</body>
<script>
test(() => {
  document.body.offsetTop;
  let target = document.getElementById('target');

  // Change `#target` from floating object to positioned object.
  target.classList.add('abs');

  // Style recalc without layout, and detach.
  getComputedStyle(target).display;
  container.style.display = "none";
}, 'No crash or DCHECK failure');
</script>