| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <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(r => window.onload = () => t.step_timeout(r, 0)); |
| let start_length = navigation.entries().length; |
| let start_index = navigation.currentEntry.index; |
| |
| location.hash = "#1"; |
| location.hash = "#2"; |
| location.hash = "#3"; |
| |
| assert_equals(navigation.entries().length, start_length + 3); |
| const [entry0, entry1, entry2, entry3] = navigation.entries().slice(start_index); |
| assert_equals((new URL(entry2.url)).hash, "#2"); |
| assert_equals((new URL(entry3.url)).hash, "#3"); |
| |
| let dispose2Called = false; |
| entry2.ondispose = t.step_func(e => { |
| dispose2Called = true; |
| |
| assert_equals(e.constructor, Event); |
| assert_equals(e.bubbles, false); |
| assert_equals(e.cancelable, false); |
| assert_equals(e.composed, false); |
| |
| assert_array_equals( |
| navigation.entries().slice(start_index), |
| [entry0, entry1, navigation.currentEntry], |
| "entries() is updated during dispose for entry 2"); |
| assert_not_equals(navigation.currentEntry, entry1, "current entry must be updated during dispose for entry 3"); |
| assert_true(navigation.canGoBack, "canGoBack is still true during dispose for entry 2"); |
| assert_false(navigation.canGoForward, "canGoForward is still false during beforedispose for entry 2"); |
| assert_equals(navigation.transition, null, "transition during dispose for entry 2"); |
| assert_equals(location.hash, "#fork", "location.hash is updated during dispose for entry 2"); |
| }); |
| |
| entry3.addEventListener("dispose", t.step_func_done(e => { |
| assert_true(dispose2Called, "dispose for entry 2 must have happened before entry 3"); |
| |
| assert_array_equals( |
| navigation.entries().slice(start_index), |
| [entry0, entry1, navigation.currentEntry], |
| "entries() is updated during dispose for entry 3"); |
| assert_not_equals(navigation.currentEntry, entry1, "current entry must be updated during dispose for entry 3"); |
| assert_true(navigation.canGoBack, "canGoBack is still true during dispose for entry 3"); |
| assert_false(navigation.canGoForward, "canGoForward is still false during beforedispose for entry 3"); |
| assert_equals(navigation.transition, null, "transition during dispose for entry 2"); |
| assert_equals(location.hash, "#fork", "location.hash is updated during dispose for entry 3"); |
| })); |
| |
| await navigation.traverseTo(entry1.key).committed; |
| |
| navigation.navigate("#fork"); |
| |
| assert_equals(navigation.entries().length, start_length + 2); |
| const [finalEntry0, finalEntry1, finalEntry2] = navigation.entries().slice(start_index); |
| assert_equals(finalEntry0, entry0); |
| assert_equals(finalEntry1, entry1); |
| assert_not_equals(finalEntry2, entry2); |
| assert_equals(navigation.currentEntry, finalEntry2); |
| assert_equals((new URL(finalEntry2.url)).hash, "#fork"); |
| }, "dispose events when forward-pruning same-document entries"); |
| </script> |
