1
0
Fork 0
firefox/testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

23 lines
807 B
HTML

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/preload/resources/preload_helper.js"></script>
<link rel=modulepreload href="resources/slow-exec.js">
<script>
setup(() => {
const link = window.document.createElement("link");
assert_implements(
'relList' in link,
'HTMLLinkElement.relList is not supported');
assert_implements(
link.relList.supports("modulepreload"),
'modulepreload is not supported');
});
promise_test(async t => {
await new Promise(r => window.addEventListener("load", r));
assert_false(!!window.didLoadModule);
}, "Executing modulepreload should not block the window's load event");
</script>