| <!DOCTYPE html> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| var jsTestIsAsync = true; |
| var img; |
| |
| onload = function() { |
| // Ensure a layout happened by using rAF. |
| requestAnimationFrame(function() { |
| var iframe = document.getElementById('frame'); |
| var iframeDoc = iframe.contentWindow.document; |
| |
| iframeDoc.body.innerHTML = '<picture id="pic">' + |
| '<source media="(max-width: 90px)" srcset="resources/blue_rect.jpg"></source>' + |
| '<source media="(max-width: 120px)" srcset="resources/image-set-4x.png"></source>' + |
| '</picture>'; |
| |
| img = iframeDoc.createElement('img'); |
| |
| var first = true; |
| img.onload = function() { |
| if (first) { |
| first = false; |
| shouldNotBe('-1', 'img.currentSrc.indexOf("image-set-4x")'); |
| iframe.style.width = '80px'; |
| } else { |
| shouldNotBe('-1', 'img.currentSrc.indexOf("blue_rect")'); |
| finishJSTest(); |
| } |
| }; |
| img.onerror = function() { |
| testFailed('Image should have loaded'); |
| }; |
| iframeDoc.getElementById('pic').appendChild(img); |
| }); |
| } |
| </script> |
| |
| <iframe id="frame" style="width: 100px;"></iframe> |
