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<!DOCTYPE html>
<head>
<title>A loading='lazy' image starts loading when the element is moved into
an iframe where script is disabled</title>
<link rel="help" href="https://github.com/scott-little/lazyload">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<div style="height:1000vh;"></div>
<iframe id="iframe" src="resources/image-loading-lazy-in-viewport.html">
</iframe>
<iframe id="sandboxediframe" sandbox="allow-same-origin">
</iframe>
<script>
promise_test(async t => {
await new Promise(resolve => window.addEventListener('load', resolve));
const image = iframe.contentDocument.querySelector("img");
assert_false(image.complete, "lazy-load image shouldn't be loaded");
sandboxediframe.contentDocument.body.appendChild(image);
await new Promise(resolve => image.addEventListener("load", resolve));
assert_true(image.complete,
"lazy-load image shouldn't be honored in script disabled iframe");
});
</script>
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