third_party/WebKit/LayoutTests/fast/dom/HTMLImageElement/image-srcset-duplicate-elimination.html

   1 <!DOCTYPE html>
   2 <script src="../../../resources/testharness.js"></script>
   3 <script src="../../../resources/testharnessreport.js"></script>
   4 <script>
   5 function runTest() {
   6     var t = async_test("duplicate density candidate elimination");
   7     var img = document.body.appendChild(new Image());
   8     img.onload = t.step_func(function() {
   9         var dynamicImageSrc = document.getElementById("dynimg").currentSrc;
  10         var isBlue = (dynamicImageSrc.indexOf("blue_rect.jpg") != -1);
  11         var is4x = (dynamicImageSrc.indexOf("image-set-4x.png") != -1);
  12         assert_false(isBlue);
  13         assert_true(is4x);
  14         t.done();
  15     });
  16     img.id = "dynimg";
  17     img.srcset = "resources/image-set-4x.png 1x, resources/blue_rect.jpg 1x";
  18 };
  19 </script>
  20 <img src="resources/blue_rect.jpg" onload="runTest()">