chromium/third_party/blink/web_tests/wpt_internal/bluetooth/script-tests/characteristic/descriptor-garbage-collection-ran-during-error.js

'use strict';
bluetooth_test(() => {
  let promise;
  return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
      .then(
          () => requestDeviceWithTrustedClick(
              {filters: [{services: ['health_thermometer']}]}))
      .then(device => device.gatt.connect())
      .then(gattServer => gattServer.getPrimaryService('health_thermometer'))
      .then(service => service.getCharacteristic('measurement_interval'))
      .then(characteristic => {
        promise = assert_promise_rejects_with_message(
            /* 0x0101 doesn't exist in this characteristic */
            characteristic.CALLS(
                [getDescriptor(0x0101) | getDescriptors() |
                 getDescriptors(0x0101)[UUID]]),
            new DOMException(
                'GATT Server is disconnected. Cannot retrieve descriptors. ' +
                    '(Re)connect first with `device.gatt.connect`.',
                'NetworkError'));
        // Disconnect called to clear attributeInstanceMap and allow the
        // object to get garbage collected.
        characteristic.service.device.gatt.disconnect();
      })
      .then(garbageCollect)
      .then(() => promise);
}, 'Garbage Collection ran during FUNCTION_NAME call that fails. ' +
   'Should not crash');