Blitz - WPT: perspective-origin-scroll.html

wpt / css / css-transforms / perspective-origin-scroll.html

/css/css-transforms/perspective-origin-scroll.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>The 'perspective-origin's position must not move with the children of a scroll container if it is on one.</title>
<link rel="author" title="Psychpsyo" href="mailto:psychpsyo@gmail.com">
<link rel="help" href="https://www.w3.org/TR/css-transforms-2/#perspective-origin-property">
<link rel="help" href="https://www.w3.org/TR/css-transforms-2/#perspective-matrix-computation">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="The 'perspective-origin's position must not move with the children of a scroll container if it is on one.">
<style>
  div {
    position: absolute;
  }
  #holder {
    width: 100px;
    height: 100px;
    overflow: hidden;
    perspective: 2px;
    perspective-origin: 0px 0px;
  }
  #red {
    background-color: red;
    height: 200px;
    width: 100px;
  }
  #greenSquare {
    transform: translateZ(1px);
    background-color: green;
    width: 50px;
    height: 50px;
    top: 100px;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="holder">
  <div id="red"></div>
  <div id="greenSquare"></div>
</div>
<script>
  holder.scroll({top: 100, behavior: "instant"});
</script>

/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>