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Update web-platform-tests to revision 1461434ba9b333a8f4ee0c9acfe9884ac5fbe112

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WPT Sync Bot 2020-04-12 08:20:41 +00:00
parent 32ca37d460
commit e854d6a62a
42 changed files with 556 additions and 45 deletions
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tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/image-loading-lazy-srcset.html Normal file
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<!DOCTYPE html>
<head>
<title>loading='lazy' image with srcset</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/images.html#update-the-image-data">
<link rel="help" href="https://html.spec.whatwg.org/multipage/images.html#will-lazy-load-image-steps">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<div style="height:1000vh;"></div>
<img srcset="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAIAAAAC64paAAAAG0lEQVR42mP8z0A%2BYKJA76jmUc2jmkc1U0EzACKcASfOgGoMAAAAAElFTkSuQmCC" loading="lazy">
<img loading="lazy" srcset="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAIAAAAC64paAAAAG0lEQVR42mP8z0A%2BYKJA76jmUc2jmkc1U0EzACKcASfOgGoMAAAAAElFTkSuQmCC">
<script>
promise_test(async t => {
let loaded_images = 0;
const imgs = document.querySelectorAll("img");
imgs.forEach(img => {
img.addEventListener("load", () => { loaded_images++; }, { once: true });
});
await new Promise(resolve => window.addEventListener("load", resolve));
assert_equals(loaded_images, 0,
"lazy-load images with srcset shouldn't be loaded yet");
const promises = [
new Promise(resolve => imgs[0].addEventListener("load", resolve)),
new Promise(resolve => imgs[1].addEventListener("load", resolve)),
];
imgs[1].scrollIntoView();
await Promise.all(promises);
imgs.forEach(img => {
assert_true(img.complete,
"Now the lazy-load image with srcset should be loaded");
});
});
</script>