third_party/WebKit/LayoutTests/fast/dom/window-inner-size-scaling.html

   1 <html>
   2     <script src="../../resources/js-test.js"></script>
   3     <script>
   4         description("This test ensures window.innerWidth/innerHeight return the size of the visual viewport in CSS pixels.");
   5
   6         var originalWidth = window.innerWidth;
   7         var originalHeight = window.innerHeight;
   8         var scale = 2;
   9
  10         if (window.internals)
  11             window.internals.setPageScaleFactor(scale);
  12
  13         shouldBe("window.innerWidth", "Math.floor(originalWidth / scale)");
  14         shouldBe("window.innerHeight", "Math.floor(originalHeight / scale)");
  15     </script>
  16 </html>