File: intercept-detach.html

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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
async_test(t => {
  window.onload = t.step_func(() => {
    i.contentWindow.navigation.onnavigate = t.step_func_done(e => {
      let iframe_constructor = i.contentWindow.DOMException;
      i.remove();
      assert_throws_dom("InvalidStateError", iframe_constructor, () => e.intercept());
    });

    i.contentWindow.location.href = "#1";
  });
}, "event.intercept() throws if used on an event from a detached iframe");
</script>