intercept-handler-null-or-undefined.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigate-event/intercept-handler-null-or-undefined.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

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

    assert_throws_js(TypeError, () => e.intercept({ handler: null }));

});

  location.href = "#1";

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

}, "event.intercept() should throw if the handler is null");

async_test(t => {

  navigation.onnavigatesuccess = t.step_func_done(e => {});

  navigation.onnavigate = e =>  e.intercept({ handler: undefined });

  location.href = "#2";

  assert_equals(location.hash, "#2");

}, "event.intercept() should not throw if the handler is explicit undefined");

</script>