third_party/WebKit/LayoutTests/fast/hidpi/image-srcset-remove-dynamically-from-js.html

   1 <html>
   2 <head>
   3 <script>
   4     window.targetScaleFactor = 1;
   5 </script>
   6 <script src="resources/srcset-helper.js"></script>
   7 <script src="../../resources/js-test.js"></script>
   8 <script>
   9     if (window.testRunner) {
  10         testRunner.dumpAsText();
  11     }
  12
  13     function updateSrc() {
  14         var img = document.getElementById("foo");
  15         // srcset must be set first, otherwise 'src' is loaded as well
  16         img.src = "";
  17     }
  18
  19     addEventListener("DOMContentLoaded", function() {
  20         updateSrc();
  21     }, false);
  22     addEventListener("load", function() {
  23         shouldBeTrue('document.getElementById("foo").clientWidth==200');
  24     }, false);
  25 </script>
  26 </head>
  27 <body id="body">
  28     <div>This test passes if this img tag below is a green square. It ensures that attributes can be removed dynamically from javascript</div>
  29     <img id="foo" src="resources/blue-100-px-square.png" srcset="resources/green-400-px-square.png 2x">
  30 </body>
  31 </html>