Sam Sneddon
5bbaff2951
Automatic update from web-platform-tests Speculation Rules prerender tests should check for support We're seeing timeouts on the STP bots, because spending over an hour timing out on speculation rules tests just eats into the timeout. -- wpt-commits: 9f7999f4b3dd412a338f3231228e64230d6a6531 wpt-pr: 59217
54 lines
1.8 KiB
HTML
54 lines
1.8 KiB
HTML
<!DOCTYPE html>
|
|
<title>Same-origin prerendering can access localStorage</title>
|
|
<meta name="variant" content="?target_hint=_self">
|
|
<meta name="variant" content="?target_hint=_blank">
|
|
<meta name="timeout" content="long">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/common/utils.js"></script>
|
|
<script src="/common/dispatcher/dispatcher.js"></script>
|
|
<script src="../resources/utils.js"></script>
|
|
<script src="resources/utils.js"></script>
|
|
|
|
<body>
|
|
<script>
|
|
setup(() => assertSpeculationRulesIsSupported('prerender'));
|
|
|
|
promise_test(async t => {
|
|
const uid1 = token();
|
|
const uid2 = token();
|
|
|
|
// A promise to wait until a prerendered page writes data with the "prerender"
|
|
// key in the local storage.
|
|
const write_promise = new Promise((resolve, reject) => {
|
|
window.addEventListener("storage", event => {
|
|
if (event.key !== 'prerender') {
|
|
reject("wrong key");
|
|
} else {
|
|
resolve();
|
|
}
|
|
}, { once: true });
|
|
});
|
|
|
|
const rule_extras = {'target_hint': getTargetHint()};
|
|
|
|
window.localStorage.setItem('initial', uid1);
|
|
const {exec} = await create_prerendered_page(
|
|
t, undefined, undefined, rule_extras);
|
|
const result = await exec(uid2 => {
|
|
window.localStorage.setItem('prerender', uid2);
|
|
return window.localStorage.getItem('initial');
|
|
}, [uid2])
|
|
|
|
// Start prerendering a page that attempts to access localStorage API.
|
|
assert_equals(
|
|
result, uid1,
|
|
'prerendering page should be able to read from local storage');
|
|
|
|
await write_promise;
|
|
assert_equals(
|
|
window.localStorage.getItem('prerender'), uid2,
|
|
'prerendering page should be able to write to local storage');
|
|
}, 'prerendering page should be able to access local storage');
|
|
</script>
|