navigate-history-back-after-pushState.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/navigate-event/navigate-history-back-after-pushState.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

  window.onload = () => t.step_timeout(() => {

    let start_history_length = history.length;

    let start_index = navigation.currentEntry.index;

    let target_key = navigation.currentEntry.key;

    let target_id = navigation.currentEntry.id;

    history.pushState(1, "", "pushState.html");

    assert_equals(history.length, start_history_length + 1);

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

      assert_equals(e.navigationType, "traverse");

      assert_true(e.cancelable);

      assert_true(e.canIntercept);

      assert_false(e.userInitiated);

      assert_false(e.hashChange);

      assert_equals(e.downloadRequest, null);

      assert_equals(new URL(e.destination.url).hash, "");

      assert_true(e.destination.sameDocument);

      assert_equals(e.destination.key, target_key);

      assert_equals(e.destination.id, target_id);

      assert_equals(e.destination.index, start_index);

      assert_equals(e.formData, null);

      assert_equals(e.sourceElement, null);

});

    history.back();

  }, 0);

}, "history.back() fires the navigate event when reversing a pushState()");

</script>