<!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 => {
  await new Promise(resolve => window.onload = resolve);

  const iWindow = i.contentWindow;
  const iDOMException = iWindow.DOMException;

  const trappedState = {
    get prop() {
      i.remove();
      return "whatever";
    }
  };

  await assertBothRejectDOM(t, i.contentWindow.navigation.navigate("#1", { state: trappedState }), "InvalidStateError", iWindow, iDOMException);
}, "navigate() promise rejections when detaching an iframe inside state serialization");
</script>
