chromium/third_party/blink/web_tests/external/wpt/css/css-conditional/css-supports-034.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Test: An @supports rule with balanced invalid syntax must evaluate to false</title>
  <link rel="author" title="Cameron McCormack" href="mailto:[email protected]" />
  <link rel="help" href="http://www.w3.org/TR/css3-conditional/#at-supports" />
  <meta name="assert" content="An @supports condition must successfully parse a parenthesized expression that has invalid syntax with balanced parentheses."/>
  <link rel="match" href="support/pass.xht" />
  <style type="text/css"><![CDATA[
    html { background-color: red }
    @supports not ({ something @with [ balanced ] parens }) {
      html { background-color: green }
    }
  ]]></style>
 </head>
 <body>
 </body>
</html>