chromium/third_party/blink/web_tests/external/wpt/IndexedDB/idbfactory-open-request-success.html

<!DOCTYPE html>
<meta charset=utf-8>
<title>IDBFactory open(): request properties on success</title>
<link rel="help" href="https://w3c.github.io/IndexedDB/#dom-idbfactory-open">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=resources/support.js></script>
<script>

let saw_complete = false;

indexeddb_test(
  (t, db, tx, rq) => {
    assert_equals(
      rq.readyState, 'done',
      'request done flag should be set during upgradeneeded');
    assert_equals(
      rq.result, db,
      'request result should be set (to connection) during upgradeneeded');
    assert_equals(
      rq.error, null,
      'request result should be null during upgradeneeded');

    tx.onabort = t.unreached_func('transaction should complete');
    tx.oncomplete = t.step_func(() => {
      saw_complete = true;

      assert_equals(
        rq.readyState, 'done',
        'request done flag should still be set during complete');
      assert_equals(
        rq.result, db,
        'request result should still be set (to connection) during complete');
      assert_equals(
        rq.error, null,
        'request result should still be null during complete');
    });
  },
  (t, db, rq) => {
    assert_true(saw_complete, 'complete event should fire before success');
    assert_equals(
      rq.readyState, 'done',
      'request done flag should be set on success');
    assert_equals(
      rq.result, db,
      'request result should still be set (to connection) on success');
    assert_equals(
      rq.error, null,
      'request error should be null on success');
    t.done();
  },
  'Properties of IDBOpenDBRequest during successful IDBFactory open()');

</script>