| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <iframe id="i" src="/common/blank.html"></iframe> |
| <script> |
| promise_test(async t => { |
| // Wait for after the load event so that the navigation doesn't get converted |
| // into a replace navigation. |
| await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0)); |
| |
| i.contentWindow.navigation.navigate("/common/blank.html?a"); |
| await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0)); |
| |
| assert_equals(i.contentWindow.navigation.entries().length, 2); |
| |
| i.contentWindow.navigation.back(); |
| await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0)); |
| |
| // activation.entry is the current entry. activation.from is the entry the |
| // traverse came from. |
| assert_equals(i.contentWindow.navigation.entries().length, 2); |
| assert_equals(i.contentWindow.navigation.activation.entry, i.contentWindow.navigation.currentEntry); |
| assert_equals(i.contentWindow.navigation.activation.entry.index, 0); |
| assert_equals(i.contentWindow.navigation.activation.from, |
| i.contentWindow.navigation.entries()[1]); |
| assert_equals(i.contentWindow.navigation.activation.navigationType, "traverse"); |
| |
| let from_key_before_push = i.contentWindow.navigation.activation.from.key; |
| let from_id_before_push = i.contentWindow.navigation.activation.from.id; |
| let from_url_before_push = i.contentWindow.navigation.activation.from.url; |
| await i.contentWindow.navigation.navigate("/common/blank.html#fragment").finished; |
| |
| // pushing same document will not change activation.entry, but it will cut |
| // activation.from out of the entries array. Its parameters should not change |
| //except for its index, which becomes -1. |
| assert_equals(i.contentWindow.navigation.entries().length, 2); |
| assert_equals(i.contentWindow.navigation.activation.entry, i.contentWindow.navigation.entries()[0]); |
| assert_equals(i.contentWindow.navigation.activation.entry.index, 0); |
| assert_not_equals(i.contentWindow.navigation.activation.from, |
| i.contentWindow.navigation.entries()[1]); |
| assert_equals(i.contentWindow.navigation.activation.from.key, from_key_before_push); |
| assert_equals(i.contentWindow.navigation.activation.from.id, from_id_before_push); |
| assert_equals(i.contentWindow.navigation.activation.from.url, from_url_before_push); |
| assert_equals(i.contentWindow.navigation.activation.from.index, -1); |
| assert_equals(i.contentWindow.navigation.activation.navigationType, "traverse"); |
| }, "navigation.activation - traverse, then push same-document"); |
| </script> |
