| <!doctype html> |
| <html class="reftest-wait"> |
| <title>Image intrinsic size specified via sizes attribute reacts properly to media changes</title> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="match" href="sizes-dynamic-001-expected.html"> |
| <link rel="help" href="https://html.spec.whatwg.org/#sizes-attributes"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1149357"> |
| <script> |
| // Use WPT version after reftest-wait is implemented. |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| function frameLoaded(frame) { |
| frame.width = "500"; |
| let img = frame.contentDocument.querySelector('img'); |
| |
| // Trigger the viewport resize, which will trigger the image load task. |
| img.offsetWidth; |
| |
| // Wait for the image load task to run. |
| setTimeout(() => { |
| document.documentElement.removeAttribute("class"); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| } |
| </script> |
| <iframe onload="frameLoaded(this)" width="200" height="500" srcdoc='<!doctype html><img srcset="resources/green-256x256.png 100w" style="max-width: 100%" sizes="(min-width: 400px) 10px, 20px">'></iframe> |
