<!DOCTYPE html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>Navigation Preload: SameSite cookies</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/test-helpers.sub.js"></script>
<body>
<script>
const scope = 'resources/cookie.py';
const script = 'resources/navigation-preload-worker.js';

async function drop_cookie(t, same_site, cookie) {
    const frame = await with_iframe(scope + '?same-site=' + same_site + '&cookie-name=' + cookie + '&drop=1');
    t.add_cleanup(() => frame.remove());
}

async function same_site_cookies_test(t, same_site, cookie) {
  // Remove the cookie before the first visit.
  await drop_cookie(t, same_site, cookie);

  {
    const frame = await with_iframe(scope + '?same-site=' + same_site + '&cookie-name=' + cookie + '&drop=0');
    t.add_cleanup(() => frame.remove());
    // The body will be 0 because this is the first visit.
    assert_equals(frame.contentDocument.body.textContent, '0', 'first visit');
  }

  {
    const frame = await with_iframe(scope + '?same-site=' + same_site + '&cookie-name=' + cookie + '&drop=0');
    t.add_cleanup(() => frame.remove());
    // The body will be 1 because this is the second visit.
    assert_equals(frame.contentDocument.body.textContent, '1', 'second visit');
  }

  // Remove the cookie after the test.
  t.add_cleanup(() => drop_cookie(t, same_site, cookie));
}

promise_test(async t => {
  const registration =
    await service_worker_unregister_and_register(t, script, scope);
  promise_test(t => registration.unregister(), 'Unregister a service worker.');

  await wait_for_state(t, registration.installing, 'activated');
  await registration.navigationPreload.enable();
}, 'Set up a service worker for navigation preload tests.');

promise_test(async t => {
  await same_site_cookies_test(t, 'None', 'cookie-key-none');
}, 'Navigation Preload for same site cookies (None).');

promise_test(async t => {
  await same_site_cookies_test(t, 'Strict', 'cookie-key-strict');
}, 'Navigation Preload for same site cookies (Strict).');

promise_test(async t => {
  await same_site_cookies_test(t, 'Lax', 'cookie-key-lax');
}, 'Navigation Preload for same site cookies (Lax).');
</script>
</body>
