| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| async_test(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. |
| window.onload = () => t.step_timeout(() => { |
| let onnavigate_calls = 0; |
| let onnavigatesuccess_calls = 0; |
| navigation.onnavigate = e => { |
| onnavigate_calls++; |
| e.intercept(); |
| } |
| navigation.onnavigatesuccess = t.step_func(e => { |
| onnavigatesuccess_calls++; |
| if (onnavigatesuccess_calls == 3) { |
| assert_equals(navigation.entries().length, start_length + 2); |
| assert_equals(navigation.currentEntry.index, start_index + 1); |
| assert_equals(onnavigate_calls, 3); |
| history.back(); |
| } else if (onnavigatesuccess_calls == 4) { |
| assert_equals(navigation.entries().length, start_length + 2); |
| assert_equals(navigation.currentEntry.index, start_index); |
| assert_equals(onnavigate_calls, 4); |
| t.done(); |
| } |
| }); |
| |
| navigation.navigate("?foo").finished |
| .then(t.step_func(() => navigation.navigate("?bar").finished)) |
| .then(t.step_func(() => { |
| assert_equals(navigation.entries().length, start_length + 2); |
| assert_equals(navigation.currentEntry.index, start_index + 2); |
| assert_equals(onnavigate_calls, 2); |
| history.back(); |
| })); |
| }, 0); |
| }, "event.intercept() can intercept same-document history.back()"); |
| </script> |
