Blitz - WPT: col-change-span-bg-invalidation-002.html

wpt / css / css-tables / paint / col-change-span-bg-invalidation-002.html

/css/css-tables/paint/col-change-span-bg-invalidation-002.html

<!DOCTYPE html>
<html class="reftest-wait">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<link rel="author" title="Andreu Botella" href="abotella@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-tables-3/#drawing-cell-backgrounds">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="fuzzy" content="maxDifference=0-1; totalPixels=0-4400">
<meta name=assert content="Changing the span of a table column element will invalidate column backgrounds, even if previously any columns with backgrounds spanned no cells">
<style>
table {
  width: 100px;
  height: 100px;
  border-spacing: 0;
  background: linear-gradient(to right, green 67%, red 67%);
}
.green {
  background: green;
}
</style>
<title>CSS table column span invalidation</title>
<script>
waitForAtLeastOneFrame().then(() => {
  const changeSpanCol = document.getElementById("changeSpan");
  changeSpanCol.removeAttribute("span");
  takeScreenshot();
});
</script>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<table>
  <col id="changeSpan" span="2">
  <col>
  <col class="green">
  <tr>
    <td></td>
    <td></td>
    <td></td>
  </tr>
</table>
</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>