signal-abort-window-stop-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-window-stop-in-onnavigate.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

  window.onload = t.step_func_done(() => {

    let abort_signal;

    let onabort_called = false;

    let canceled_in_second_handler = false;

    navigation.addEventListener("navigate", t.step_func(e => {

      abort_signal = e.signal;

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

      window.stop();

    }));

    navigation.addEventListener("navigate", t.step_func(e => {

      canceled_in_second_handler = e.defaultPrevented;

    }));

    navigation.navigate("?1");

    assert_true(abort_signal.aborted);

    assert_true(onabort_called);

    assert_true(canceled_in_second_handler);

});

}, "window.stop() signals event.signal inside a navigate event handler");

</script>