<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<meta name="variant" content="">
<meta name="variant" content="?currententrychange">

<script type="module">
import { Recorder, hasVariant } from "./resources/helpers.mjs";
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));

  const fromStart = navigation.currentEntry;
  let fromHash1;

  const recorder = new Recorder({
    skipCurrentChange: !hasVariant("currententrychange"),
    finalExpectedEvent: "transition.finished fulfilled",
    finalExpectedEventCount: 2
  });

  recorder.setUpNavigationAPIListeners();

  navigation.addEventListener("navigatesuccess", t.step_func(() => {
    if (location.hash === "#1") {
      navigation.transition.finished.then(() => {
        const result2 = navigation.navigate("/common/blank.html#2");
        recorder.setUpResultListeners(result2, " 2");
      });
    }
  }));

  navigation.addEventListener("navigate", e => {
    e.intercept({ handler() { recorder.record("handler run"); } });

    if (location.hash === "#1") {
      fromHash1 = navigation.currentEntry;
    }
  });

  const result1 = navigation.navigate("/common/blank.html#1");
  recorder.setUpResultListeners(result1, " 1");

  Promise.resolve().then(() => recorder.record("promise microtask"));

  await recorder.readyToAssert;

  recorder.assert([
    /* event name, location.hash value, navigation.transition properties */
    ["navigate", "", null],
    ["currententrychange", "#1", { from: fromStart, navigationType: "push" }],
    ["handler run", "#1", { from: fromStart, navigationType: "push" }],
    ["committed fulfilled 1", "#1", { from: fromStart, navigationType: "push" }],
    ["promise microtask", "#1", { from: fromStart, navigationType: "push" }],
    ["navigatesuccess", "#1", { from: fromStart, navigationType: "push" }],
    ["finished fulfilled 1", "#1", null],
    ["transition.finished fulfilled", "#1", null],

    ["navigate", "#1", null],
    ["currententrychange", "#2", { from: fromHash1, navigationType: "push" }],
    ["handler run", "#2", { from: fromHash1, navigationType: "push" }],
    ["committed fulfilled 2", "#2", { from: fromHash1, navigationType: "push" }],
    ["navigatesuccess", "#2", { from: fromHash1, navigationType: "push" }],
    ["finished fulfilled 2", "#2", null],
    ["transition.finished fulfilled", "#2", null]
  ]);
}, "event and promise ordering when navigate() is called inside the transition.finished promise handler");
</script>
