dom/base/test/test_innersize_scrollport.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4   <meta charset="UTF-8">
   5   <title>Test for Bug 919437</title>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   8 </head>
   9 <body>
  10 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=919437">Mozilla Bug 919437</a>
  11 <div id="content" style="display: none"></div>
  12 <pre id="test">
  13 <script type="application/javascript">
  14 /** Test for Bug 919437 **/
  15
  16 SimpleTest.waitForExplicitFinish();
  17
  18 function run()
  19 {
  20   var oldWidth = window.innerWidth;
  21   var oldHeight = window.innerHeight;
  22   var newWidth = oldWidth / 2;
  23   var newHeight = oldHeight / 2;
  24
  25   var utils = SpecialPowers.getDOMWindowUtils(window);
  26   utils.setVisualViewportSize(newWidth, newHeight);
  27   is(window.innerWidth, oldWidth, "innerWidth unaffected by changes to visual viewport size");
  28   is(window.innerHeight, oldHeight, "innerHeight unaffected by changes to visual viewport size");
  29
  30   SimpleTest.finish();
  31 }
  32
  33 window.addEventListener("load", run);
  34
  35 </script>
  36 </pre>
  37 </body>
  38 </html>