wpt / css / css-contain / contain-content-003.html

Status: PASS | Duration: 5ms | Subtests: 1/1 | Open test on wpt.live | Open ref on wpt.live | wpt.fyi

/css/css-contain/contain-content-003.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: element with 'contain: content' and absolutely positioned descendants</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">

  <meta name="assert" content="This test checks that an element with 'contain: content' acts as containing block for its absolutely positioned descendants.">

  <style>
  div
    {
      width: 100px;
    }

  div#contain-content
    {
      background-color: red;
      contain: content;
      height: 100px;
    }

  div.abspos
    {
      background-color: green;
      height: 50px;
      position: absolute;
      right: 0;
    }

  div#first-abspos
    {
      top: 0px;
    }

  div#second-abspos
    {
      bottom: 0px;
    }
  </style>

  <body>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.

  <div id="contain-content">
    <div id="first-abspos" class="abspos"></div>
    <div id="second-abspos" class="abspos"></div>
  </div>

/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>