chromium/third_party/blink/web_tests/fast/table/border-collapsing/003-vertical.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html lang="en" style="-webkit-writing-mode: vertical-rl">
 <head>
  <title>Border Collapsing Test</title>
  <style type="text/css">
   .b { border: solid thin blue; padding-left: 3em; margin: 2em; }
   .t { display: table; border-collapse: collapse; }
   .r { display: table-row; }
   .c { display: table-cell; border: solid 20px; height: 2em; width: 2em; }
   .r.a > .c.a { border-width: 2px; }
  </style>
 </head>
 <body>
  <p>The black border below should <i>not</i> cut through the top left corner of
  the blue border. It would cut through with our old behavior, but 
  <a href="https://bugs.webkit.org/show_bug.cgi?id=6838">this</a>
  bug fix changed our behavior to match the spec.</p>
  <div class="b">
   <div class="t">
    <p class="r a"> <span class="c a"></span> <span class="c b"></span> </p>
    <p class="r b"> <span class="c a"></span> <span class="c b"></span> </p>
   </div>
  </div>
 </body>
</html>