| <!DOCTYPE html> |
| <script> |
| window.targetScaleFactor = 1; |
| </script> |
| <script src="resources/srcset-helper.js"></script> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| } |
| function updateSrc() { |
| var img = document.getElementById("foo"); |
| // srcset must be set first, otherwise 'src' is loaded as well |
| img.srcset = "resources/green-400-px-square.png 2x"; |
| img.src = "resources/blue-100-px-square.png" |
| } |
| addEventListener("DOMContentLoaded", function() { |
| updateSrc(); |
| }, false); |
| addEventListener("load", function() { |
| if (internals) |
| shouldBeFalse('internals.isPreloaded("resources/green-400-px-square.png")'); |
| shouldBeTrue('document.getElementById("foo").clientWidth==100'); |
| }, false); |
| </script> |
| <div>This test passes if this img tag below is a blue square when the scale factor is 1. |
| It ensures that attributes can be changed dynamically from javascript, and that only the correct resource is loaded.</div> |
| <img id="foo"> |
