diff options
Diffstat (limited to 'testing/web-platform/tests/html/semantics/embedded-content/the-img-element/sizes/sizes-auto-rendering-dynamic.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/embedded-content/the-img-element/sizes/sizes-auto-rendering-dynamic.html | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/sizes/sizes-auto-rendering-dynamic.html b/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/sizes/sizes-auto-rendering-dynamic.html new file mode 100644 index 0000000000..901c6f2e09 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/the-img-element/sizes/sizes-auto-rendering-dynamic.html @@ -0,0 +1,38 @@ +<!doctype html> +<html class="reftest-wait"> +<title>Auto sizes dynamic rendering</title> +<link rel="help" href="https://html.spec.whatwg.org/multipage/images.html#sizes-attributes"> +<link rel="match" href="reference/sizes-auto-rendering-ref.html"> +<script src="/common/rendering-utils.js"></script> +<script src="/common/reftest-wait.js"></script> +<img + id="testImg" + loading="lazy" + sizes="auto" + width="1" + height="13" +> +<script> + function secondImageLoaded() { + waitForAtLeastOneFrame().then(takeScreenshot); + } + + function firstImageLoaded() { + const expected = 'red.png'; + if (!testImg.currentSrc.endsWith('red.png')) { + const fail_msg = `FAIL: currentSrc is ${testImg.currentSrc}, expected ${expected}.`; + document.body.textContent = fail_msg; + takeScreenshot(); + } + + testImg.addEventListener('load', secondImageLoaded); + testImg.style.width = '33px'; + } + + testImg.addEventListener('load', firstImageLoaded, {once: true}); + testImg.setAttribute('srcset', ` + /images/fail.gif 1000w, + /images/green.png 100w, + /images/red.png 10w + `); +</script> |