history-back-same-doc.html

Enable keyboard shortcuts

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/currententrychange-event/history-back-same-doc.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

promise_test(async t => {

  let start_length = navigation.entries().length;

  let start_index = navigation.currentEntry.index;

  // 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));

  await navigation.navigate("#foo");

  assert_equals(navigation.entries().length, start_length + 1);

  let oncurrententrychange_called = false;

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

    oncurrententrychange_called = true;

    assert_equals(e.from, navigation.entries()[start_index + 1]);

    assert_equals(e.navigationType, "traverse");

    assert_equals(navigation.currentEntry.index, start_index);

});

  history.back();

  assert_false(oncurrententrychange_called);

  await new Promise(resolve => window.onpopstate = resolve);

  assert_true(oncurrententrychange_called);

}, "currententrychange fires for history.back()");

</script>