chromium/third_party/blink/web_tests/external/wpt/html/browsers/browsing-the-web/history-traversal/event-order/pushState-inside-popstate.html

<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(t => {
  let popstate_called = false;
  window.onpopstate = t.step_func(e => {
    popstate_called = true;
    history.pushState(2, null, "#2");
    assert_not_equals(history.state, e.state);
  });
  location.hash = "#1";
  assert_true(popstate_called);
}, "pushState inside popstate")
</script>