| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| promise_test(async t => { |
| let abort_signal; |
| let events = []; |
| appHistory.onnavigateerror = () => events.push("onnavigateerror"); |
| appHistory.onnavigate = t.step_func(e => { |
| abort_signal = e.signal; |
| abort_signal.onabort = () => events.push("onabort"); |
| e.preventDefault(); |
| }); |
| |
| await promise_rejects_dom(t, 'AbortError', appHistory.navigate("?1")); |
| assert_true(abort_signal.aborted); |
| assert_array_equals(events, ["onabort", "onnavigateerror"]); |
| }, "AppHistoryNavigateEvent.preventDefault signals AppHistoryNavigateEvent.signal"); |
| </script> |
