flex-item-z-ordering-004.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-flexbox/flex-item-z-ordering-004.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class="reftest-wait">

<title>Flex painting order with z-index on display:contents descendant after dynamic display change</title>

<link rel="help" href="https://drafts.csswg.org/css-flexbox/#painting">

<link rel="match" href="../reference/ref-filled-green-100px-square.xht">

<script src="/common/reftest-wait.js"></script>

<script src="/common/rendering-utils.js"></script>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<math style="display: block">

  <mtext id="target">

    <div style="display: contents">

      <div style="z-index: 1; width: 100px; height: 100px; background: green"></div>

    </div>

    <div style="margin-left: -100px; width: 100px; height: 100px; background: red"></div>

  </mtext>

</math>

<script>

waitForAtLeastOneFrame().then(() => {

  target.style.display = "flex";

  takeScreenshot();

});

</script>

</html>