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

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

async_test(t => {
  const dbname = document.location + '-' + t.name;
  const rq = indexedDB.deleteDatabase(dbname);
  rq.onerror = t.unreached_func('deleteDatabase should succeed');
  rq.onsuccess = t.step_func(() => {
    assert_equals(
      rq.readyState, 'done',
      'request done flag should be set on success');
    assert_equals(
      rq.result, undefined,
      'request result should still be set to undefined on success');
    assert_equals(
      rq.error, null,
      'request error should be null on success');
    t.done();
  });
}, 'Properties of IDBOpenDBRequest during IDBFactory deleteDatabase()');

</script>