| <!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)); |
| |
| location.hash = "#1"; |
| location.hash = "#2"; |
| location.hash = "#3"; |
| |
| assert_equals(navigation.entries().length, 4); |
| const [entry0, entry1, entry2, entry3] = navigation.entries(); |
| assert_equals((new URL(entry2.url)).hash, "#2"); |
| assert_equals((new URL(entry3.url)).hash, "#3"); |
| |
| let dispose3Called = 0; |
| let spoonPromise; |
| entry3.addEventListener("dispose", t.step_func(e => { |
| ++dispose3Called; |
| |
| spoonPromise = navigation.navigate("#spoon").committed; |
| })); |
| |
| await navigation.traverseTo(entry1.key).committed; |
| |
| const forkPromise = navigation.navigate("#fork").committed; |
| assert_equals(dispose3Called, 1, "dispose for entry 3 must happen exactly once (first check)") |
| |
| // The navigation to #fork will *not* be finished by the time the navigation |
| // to #spoon kicks off, so the finished promise will reject. But, the |
| // committed promise should still fulfill, since as we see below, #fork ends |
| // up in the history list. |
| await Promise.all([forkPromise, spoonPromise]); |
| |
| assert_equals(dispose3Called, 1, "dispose for entry 3 must happen exactly once (final check)"); |
| |
| assert_equals(navigation.entries().length, 4); |
| const [finalEntry0, finalEntry1, finalEntry2, finalEntry3] = navigation.entries(); |
| assert_equals(finalEntry0, entry0); |
| assert_equals(finalEntry1, entry1); |
| assert_not_equals(finalEntry2, entry2); |
| assert_not_equals(finalEntry3, entry3); |
| assert_equals(navigation.currentEntry, finalEntry3); |
| assert_equals((new URL(finalEntry2.url)).hash, "#fork"); |
| assert_equals((new URL(finalEntry3.url)).hash, "#spoon"); |
| }, "navigate() during a same-document-navigation-initiated dispose works (since it's after the previous navigation)"); |
| </script> |
