| <!DOCTYPE html> |
| <title>This test ensures that when an image changes, but doesn't change size (like in an Animated GIF), we don't force a Layout.</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <div style="float: left;"> |
| <img style="max-width: 100%" src="../fast/replaced/resources/1x1-blue.png"> |
| </div> |
| <script> |
| async_test(function(t) { |
| window.onload = t.step_func(function() { |
| document.documentElement.offsetTop; |
| var img = document.querySelector("img"); |
| img.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAMAAAAoyzS7AAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAAGUExURf8AAAAAAEGjEgMAAAAMSURBVHjaYmAACDAAAAIAAU9tWeEAAAAASUVORK5CYII="; |
| assert_equals(internals.needsLayoutCount(), 0); |
| img.onload = t.step_func_done(function() { |
| assert_equals(internals.needsLayoutCount(), 0); |
| }); |
| }); |
| }); |
| </script> |
