signal-abort-detach-in-onnavigate.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigate-event/signal-abort-detach-in-onnavigate.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<iframe id="i" src="/common/blank.html"></iframe>

<script>

promise_test(async t => {

  await new Promise(resolve => i.onload = resolve);

  let iframe_constructor = i.contentWindow.DOMException;

  let iframe_typeerror = i.contentWindow.TypeError;

  let abort_signal;

  let onabort_called = false;

  i.contentWindow.navigation.onnavigate = t.step_func(e => {

    abort_signal = e.signal;

    abort_signal.onabort = () => onabort_called = true;

    i.remove();

});

  await promise_rejects_dom(t, 'AbortError', iframe_constructor, i.contentWindow.navigation.navigate("#1").committed);

  assert_true(abort_signal.aborted);

  assert_true(onabort_called);

}, "window detach inside a navigate event signals event.signal");

</script>