<!DOCTYPE html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(async t => {
  var navigationTiming = window.performance.getEntriesByType('navigation')[0];
  assert_not_equals(navigationTiming, undefined);
  assert_less_than(navigationTiming.startTime, navigationTiming.criticalCHRestart, "Restarts happen after the beginning of the navigation");
  assert_less_than(navigationTiming.criticalCHRestart, navigationTiming.fetchStart, "Restarts happen before fetch");
}, "Critical-CH restart navigation timing test");
</script>
</body>
</html>
