session-storage-carry-over-to-prerender-page.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="session-storage-utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
const uid = params.get('uid');

RunSessionStorageTest(async (isPrerendering, url, prerenderChannel, done) => {
  if (!isPrerendering) {
    sessionStorage.setItem('set by initiator page', '1');
    startPrerendering(url);
  } else {
    assert_equals(
        getSessionStorageKeys(),
        'set by initiator page',
        'The session storage item set by the initiator page must be carried' +
        ' over to the prerendering page.');
    done();
  }
}, uid);
</script>

chromium/third_party/blink/web_tests/external/wpt/speculation-rules/prerender/resources/session-storage-carry-over-to-prerender-page.html