| <!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(() => { |
| assert_equals(navigation.entries().length, start_length); |
| |
| let onnavigate_count = 0; |
| navigation.onnavigate = () => onnavigate_count++; |
| |
| let key = navigation.currentEntry.key; |
| navigation.navigate("#").committed |
| .then(t.step_func(() => { |
| assert_equals(navigation.entries().length, start_length + 1); |
| assert_equals(navigation.currentEntry, navigation.entries()[start_index + 1]); |
| assert_not_equals(key, navigation.currentEntry.key); |
| return navigation.traverseTo(key).committed; |
| })) |
| .then(t.step_func(() => { |
| assert_equals(navigation.entries().length, start_length + 1); |
| assert_equals(navigation.currentEntry, navigation.entries()[start_index]); |
| assert_equals(key, navigation.currentEntry.key); |
| assert_true(navigation.canGoForward); |
| return navigation.forward().committed; |
| })) |
| .then(t.step_func(() => { |
| assert_equals(navigation.entries().length, start_length + 1); |
| assert_equals(navigation.currentEntry, navigation.entries()[start_index + 1]); |
| assert_true(navigation.canGoBack); |
| return navigation.back().committed; |
| })) |
| .then(t.step_func_done(() => { |
| assert_equals(navigation.entries().length, start_length + 1); |
| assert_equals(navigation.currentEntry, navigation.entries()[start_index]); |
| assert_equals(key, navigation.currentEntry.key); |
| assert_equals(onnavigate_count, 4); |
| })); |
| }, 0); |
| }, "same-document navigate.traverseTo(), back(), and forward()"); |
| </script> |
