37 lines
1.6 KiB
HTML
37 lines
1.6 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<title>Makes sure that preloaded resources trigger the onerror event</title>
|
|
<meta name="timeout" content="long">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/common/get-host-info.sub.js"></script>
|
|
|
|
<body>
|
|
<script>
|
|
const {HTTP_REMOTE_ORIGIN} = get_host_info();
|
|
|
|
function test_preconnect(origin, resource, desc) {
|
|
promise_test(async t => {
|
|
const result = await new Promise(async didLoad => {
|
|
const href = `${origin}${resource}`;
|
|
for (const rel of ['preconnect', 'preload']) {
|
|
const link = document.createElement('link');
|
|
link.href = href;
|
|
link.as = 'script';
|
|
link.rel = rel;
|
|
link.addEventListener('load', () => didLoad({rel, type: 'load'}));
|
|
link.addEventListener('error', () => didLoad({rel, type: 'error'}));
|
|
document.head.appendChild(link);
|
|
t.step_timeout(() => resolve('timeout'), 200));
|
|
}
|
|
});
|
|
assert_equals(result.rel, 'preload');
|
|
}, desc);
|
|
}
|
|
|
|
test_preconnect(HTTP_REMOTE_ORIGIN, '/preload/resources/dummy.js', 'Preconnect should not fire load events');
|
|
test_preconnect('http://NON-EXISTENT.origin', '/preload/resources/dummy.js', 'Preconnect should not fire error events for non-existent origins');
|
|
test_preconnect('some-scheme://URL', '/preload/resources/dummy.js', 'Preconnect should not fire error events for non-http(s) scheme');
|
|
</script>
|
|
</body>
|
|
</html>
|