after-transition-traversal-window-stop-before-commit.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/commit-behavior/after-transition-traversal-window-stop-before-commit.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../navigation-methods/return-value/resources/helpers.js"></script>

<body>

<script>

promise_test(async t => {

  // Wait for after the load event because window.stop() hangs the test harness

  // if called before the load event.

  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));

  let start_length = navigation.entries().length;

  let start_index = navigation.currentEntry.index;

  await navigation.navigate("#1").finished;

  await navigation.navigate("#2").finished;

  assert_equals(navigation.entries().length, start_length + 2);

  assert_equals(navigation.currentEntry.index, start_index + 2);

  let stopped_first_traverse = false;

  navigation.onnavigate = t.step_func(e => {

    if (!stopped_first_traverse) {

      stopped_first_traverse = true;

      t.step_timeout(() => window.stop(), 0);

    e.intercept({ commit: "after-transition",

                  handler: () => new Promise(r => t.step_timeout(r, 10)) });

});

  let navigatesuccess_called = false;

  let navigateerror_called = false;

  navigation.onnavigatesuccess = t.step_func(() => {

    navigatesuccess_called = true;

    assert_equals(location.hash, "#1");

});

  navigation.onnavigateerror = t.step_func(() => {

    navigateerror_called = true;

    assert_equals(location.hash, "#2");

});

  await assertBothRejectDOM(t, navigation.back(), "AbortError");

  assert_equals(navigation.currentEntry.index, start_index + 2);

  assert_equals(location.hash, "#2");

  assert_true(navigateerror_called);

  assert_false(navigatesuccess_called);

  // Ensure navigation.entries() remains in sync with the session history in

  // spite of the window.stop(), and navigation.back() does not skip over #1.

  await navigation.back().finished;

  assert_equals(navigation.currentEntry.index, start_index + 1);

  assert_equals(location.hash, "#1");

  assert_true(navigatesuccess_called);

}, " { commit: 'after-transition' } traverse with window.stop() before commit");

</script>

</body>