| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| promise_test(async t => { |
| let start_length = navigation.entries().length; |
| let start_index = navigation.currentEntry.index; |
| |
| // Wait for after the load event so that the navigation doesn't get converted |
| // into a replace navigation. |
| await new Promise(r => window.onload = () => t.step_timeout(r, 0)); |
| await navigation.navigate("#1").finished; |
| |
| navigation.onnavigate = e => e.intercept(); |
| navigation.oncurrententrychange = e => { |
| if (e.navigationType == "traverse") { |
| assert_equals(location.hash, ""); |
| assert_equals(navigation.currentEntry.index, start_index); |
| assert_equals(navigation.entries().length, start_length + 1); |
| navigation.navigate("#2"); |
| } |
| }; |
| let back_result = navigation.back(); |
| await back_result.committed; |
| assert_equals(location.hash, "#2"); |
| await promise_rejects_dom(t, "AbortError", back_result.finished); |
| assert_equals(navigation.currentEntry.index, start_index + 1); |
| assert_equals(navigation.entries().length, start_length + 1); |
| }, "Using intercept() then navigate() in the ensuing currententrychange should abort the finished promise (but not the committed promise)"); |
| </script> |
