intercept-handler-returns-non-promise.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/intercept-handler-returns-non-promise.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

  navigation.onnavigatesuccess = t.step_func_done(e => {

    assert_equals(location.hash, "#1");

    assert_equals(e.constructor, Event);

    assert_false(e.bubbles);

    assert_false(e.cancelable);

});

  navigation.onnavigateerror = t.step_func_done(assert_unreached);

  navigation.onnavigate = e => e.intercept({ handler() { return "123"; }});

  location.href = "#1";

  assert_equals(location.hash, "#1");

}, "event.intercept() should resolve immediately if the handler doesn't return a promise");

</script>