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

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/helpers.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
promise_test(async t => {
  // 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(i.contentWindow.navigation.entries().length, 1);

  i.contentWindow.navigation.onnavigatesuccess = t.unreached_func("onnavigatesuccess should not be called");
  i.contentWindow.navigation.onnavigateerror = t.unreached_func("onnavigateerror should not be called");

  let navigateEventType;
  i.contentWindow.navigation.onnavigate = e => navigateEventType = e.navigationType;

  i.contentWindow.navigation.navigate(i.contentWindow.location, { history: "push" });
  await new Promise(resolve => i.onload = resolve);
  assert_equals(navigateEventType, "push");
  assert_equals(i.contentWindow.navigation.entries().length, 2);
  assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
}, "navigate() to the current URL with history: 'push' and allow it to go cross document");
</script>