navigate-history-push-same-url.html

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>

<script>
promise_test(async t => {
  let start_length = navigation.entries().length;
  let start_index = navigation.currentEntry.index;
  // Wait for after the load event so that the navigation doesn't get converted
  // into a replace navigation due to onload not having completed.
  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
  assert_equals(navigation.entries().length, start_length);


  let navigateEventType;
  navigation.onnavigate = e => {
    navigateEventType = e.navigationType;
    e.intercept();
  }
  navigation.onnavigateerror = t.unreached_func("onnavigateerror should not be called");

  await navigation.navigate(location.href, { history: "push" }).finished;
  assert_equals(navigateEventType, "push");
  assert_equals(navigation.entries().length, start_length+1);
  assert_equals(navigation.currentEntry.index, start_index+1);
}, "navigate() to the current URL with history: 'push' and intercept so it remains same-document");
</script>

chromium/third_party/blink/web_tests/external/wpt/navigation-api/navigation-methods/navigate-history-push-same-url.html