<!DOCTYPE html>

<body>
  <script>
    function createDb() {
      return new Promise((resolve, reject) => {
        const openRequest = indexedDB.open("test-abort-on-reload", 1);
        openRequest.onsuccess = () => {
          const db = openRequest.result;
          // This would throw when db is corrupted.
          db.transaction("databases", "readwrite");
          db.onversionchange = () => {
            db.close();
          };
          resolve();
        };
        openRequest.onupgradeneeded = (evt) => {
          // Interrupt upgrade
          window.location.reload();
          opener.info('reload requested\n');
          openRequest.result.createObjectStore("databases");
        };
      });
    }

    function reset() {
      return new Promise((resolve, reject) => {
        const request = indexedDB.deleteDatabase("test-abort-on-reload");
        request.onsuccess = resolve;
      });
    }

    async function test() {
      opener.postMessage("message", "*");

      for (let i = 0; i < 10; ++i) {
        opener.info(`iteration ${i}`);
        await createDb();
        await reset();
      }
    }

    test();
  </script>
</body>
