| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Popstate/hashchange/load event ordering</title> |
| |
| <script> |
| // Set these up super-early before we hit the network for the test harness, just in case. |
| window.eventOrder = []; |
| window.onhashchange = () => window.eventOrder.push("hashchange"); |
| window.onpopstate = () => window.eventOrder.push("popstate"); |
| window.onload = () => window.eventOrder.push("load"); |
| </script> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| async_test(t => { |
| assert_array_equals(window.eventOrder, []); |
| |
| // 0 timeout is necessary because if we do location.hash assignment before load is finished firing it counts as a replacement. |
| window.addEventListener("load", () => t.step_timeout(() => { |
| assert_array_equals(window.eventOrder, ["load"]); |
| |
| window.addEventListener("hashchange", t.step_func(() => { |
| assert_array_equals(window.eventOrder, ["load", "popstate", "hashchange"]); |
| |
| window.addEventListener("hashchange", t.step_func_done(() => { |
| assert_array_equals(window.eventOrder, ["load", "popstate", "hashchange", "popstate", "hashchange"]); |
| })); |
| }), { once: true }); |
| |
| location.hash = "#1"; |
| assert_array_equals(window.eventOrder, ["load", "popstate"]); |
| history.back(); |
| assert_array_equals(window.eventOrder, ["load", "popstate"]); |
| }, 0)); |
| }, "when traversing back, before hashchange"); |
| </script> |
