transform-absolute-in-positioned-container.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http:/html4/strict.dtd">
<html>
<head>
  <title>Relative Position Transform Redraw</title>
  <meta http-equiv="content-type" content="text/html; charset=utf-8">
  <style type="text/css">
    #container {
      position: relative;
      left: 10px;
      top: 60px;
      padding: 20px;
      background-color: #DDD;
    }
    #box {
      position:relative;
      top: 100px;
      left: 100px;
      height: 200px;
      width: 200px;
      background-color: #CCC;
      border: 1px solid black;
      transform: rotate(0deg);
    }

    #box.rotated {
      transform: rotate(45deg);
    }
  </style>
  <script src="../resources/text-based-repaint.js" type="text/javascript" charset="utf-8"></script>
  <script type="text/javascript" charset="utf-8">
    function repaintTest()
    {
      document.getElementById('box').className = 'rotated';
    }
  </script>
</head>
<body onload="runRepaintAndPixelTest()">
  <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=17840">https://bugs.webkit.org/show_bug.cgi?id=17840</a>. The rotated box should be correctly redrawn.</p>
  
  <span id="container">
    Container
    <div id="box"></div>
  </span>
</body>
</html>

chromium/third_party/blink/web_tests/paint/invalidation/position/transform-absolute-in-positioned-container.html