third_party/WebKit/LayoutTests/css3/device-adapt/viewport-insert-rule-before.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <title>Inserting an @viewport rule before an existing one (CSSOM)</title>
   5 <style>
   6 @viewport {
   7   width: 500px;
   8 }
   9 </style>
  10 <script>
  11   function test() {
  12     if (window.testRunner) {
  13       testRunner.dumpAsText();
  14       document.styleSheets[0].insertRule("@viewport {width: 1000px}", 0);
  15       document.body.offsetWidth; // Trigger style resolving
  16       alert(internals.viewportAsText(document, 1, 320, 352));
  17     }
  18   }
  19 </script>
  20 </head>
  21 <body onload="test()"></body>
  22 </html>