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Tests/LibWeb: Add text tests for image loading after document destroy

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Add 6 text tests that verify correct behavior when image loading
callbacks fire after a document has been destroyed. These tests
check that load/error events are properly suppressed and that
no additional network activity occurs after the document becomes
inactive.
This commit is contained in:
Andreas Kling
2026-02-10 14:50:44 +01:00
committed by Andreas Kling
parent d0fd5dd731
commit aafe3658fd
Notes: github-actions[bot] 2026-02-10 20:21:11 +00:00 
Author: https://github.com/awesomekling
Commit: https://github.com/LadybirdBrowser/ladybird/commit/aafe3658fdf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7869
12 changed files with 268 additions and 0 deletions
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47
Tests/LibWeb/Text/input/HTML/image-srcset-load-after-document-destroy.html Normal file
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<!DOCTYPE html>
<script src="../include.js"></script>
<script>
// Test: Image with srcset attribute loading from a delayed server.
// The iframe is removed before the image arrives.
asyncTest(async done => {
const server = httpTestServer();
const svgBody = '<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10"><rect width="10" height="10" fill="green"/></svg>';
const imageUrl1x = await server.createEcho("GET", "/delayed-srcset-1x.svg", {
status: 200,
headers: {
"Content-Type": "image/svg+xml",
"Access-Control-Allow-Origin": "*",
},
body: svgBody,
delay_ms: 200,
});
const imageUrl2x = await server.createEcho("GET", "/delayed-srcset-2x.svg", {
status: 200,
headers: {
"Content-Type": "image/svg+xml",
"Access-Control-Allow-Origin": "*",
},
body: svgBody,
delay_ms: 200,
});
const iframe = document.createElement("iframe");
document.body.appendChild(iframe);
const doc = iframe.contentDocument;
const img = doc.createElement("img");
img.srcset = `${imageUrl1x} 1x, ${imageUrl2x} 2x`;
doc.body.appendChild(img);
setTimeout(() => {
iframe.remove();
}, 50);
setTimeout(() => {
println("PASS");
done();
}, 1000);
});
</script>