ladybird/Tests/LibWeb/Text/input/HTML/image-error-after-document-destroy.html

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<!DOCTYPE html>
<script src="../include.js"></script>
<script>
// Test: Image fetch returns invalid image data after the iframe's document
// has been destroyed. The error callback fires on a destroyed document.
asyncTest(async done => {
const server = httpTestServer();
// Create a delayed response that is not a valid image (200ms delay).
const imageUrl = await server.createEcho("GET", "/delayed-bad-image-1.txt", {
status: 200,
headers: {
"Content-Type": "image/png",
"Access-Control-Allow-Origin": "*",
},
body: "this is not a valid PNG image",
delay_ms: 200,
});
const iframe = document.createElement("iframe");
document.body.appendChild(iframe);
const doc = iframe.contentDocument;
const img = doc.createElement("img");
img.src = imageUrl;
doc.body.appendChild(img);
// Remove iframe before the delayed error response arrives.
setTimeout(() => {
iframe.remove();
}, 50);
setTimeout(() => {
println("PASS");
done();
}, 1000);
});
</script>