wpt/css/css-ui/outline-dynamic.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<html class="reftest-wait">
<title>CSS Test: outline - dynamic changes</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-ui-4/#outline" />
<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
<meta name="assert" content="Checks that outline can be changed dynamically.">
<style>
div {
  position: absolute;
}
#red {
  background: red;
}
#target {
  margin: 50px;
}
#target.outline {
  outline: solid 50px green;
}
</style>

<p>Test passes if there is a filled green square.</p>

<div id="red"></div>
<div id="target"></div>

<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<script>
waitForAtLeastOneFrame().then(() => {
  document.getElementById("target").className = "outline";
  takeScreenshot();
});
</script>
</html>