Blitz - WPT: has-append-first-node.html

wpt / css / selectors / invalidation / has-append-first-node.html

/css/selectors/invalidation/has-append-first-node.html

<!DOCTYPE html>
<html class="reftest-wait">
<link rel="author" title="David Shin" href="mailto:dshin@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/selectors/#relational">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1874705">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
#dut {
  width: 100px;
  height: 100px;
  background: red;
}
#dut:has(span) {
  background: green;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="dut"></div>
<script>
function raf() {
  return new Promise(resolve => {
    requestAnimationFrame(resolve);
  });
}

async function go() {
  await raf();
  await raf();
  const df = document.createDocumentFragment();
  const t = document.createTextNode('\n');
  df.appendChild(t);
  const s = document.createElement("span");
  df.appendChild(s);
  dut.appendChild(df);
  document.documentElement.className = '';
}

go();
</script>
</html>

/css/reference/ref-filled-green-100px-square.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Reftest Reference</title>
  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
  <style type="text/css"><![CDATA[
  div
  {
  background-color: green;
  height: 100px;
  width: 100px;
  }
  ]]></style>
 </head>
 <body>
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div></div>
 </body>
</html>