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chromium/third_party/blink/web_tests/external/wpt/navigation-api/navigate-event/intercept-on-synthetic-event.html 

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(t => {
  // We need to grab an NavigationDestination to construct the event.
  navigation.onnavigate = t.step_func_done(e => {
    const event = new NavigateEvent("navigate", {
      destination: e.destination,
      signal: (new AbortController()).signal
    });

    assert_throws_dom("SecurityError", () => event.intercept());
  });
  history.pushState(1, null, "#1");
}, "event.intercept() throws if invoked on a synthetic event");
</script>