intercept-handler-throws.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-throws.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

  const err = new TypeError("a message");

  let start_href = location.href;

  navigation.onnavigatesuccess = t.step_func_done(assert_unreached);

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

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

    assert_equals(e.constructor, ErrorEvent);

    assert_true(e.error === err);

    assert_equals(e.message, "Uncaught TypeError: a message");

    assert_equals(e.filename, start_href);

    assert_greater_than(e.colno, 0);

    assert_greater_than(e.lineno, 0);

});

  navigation.onnavigate = e => {

    e.intercept({ handler() { throw err; }});

};

  location.href = "#1";

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

}, "event.intercept() should abort if the handler throws");

</script>