chromium/third_party/blink/web_tests/wpt_internal/bluetooth/script-tests/characteristic/descriptor-device-disconnects-during-success.js

'use strict';
bluetooth_test(
    () => {
      let val = new Uint8Array([1]);
      return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
          .then(() => requestDeviceWithTrustedClick({
                  filters: [{services: ['health_thermometer']}],
                  optionalServices: [request_disconnection_service_uuid]
                }))
          .then(device => device.gatt.connect())
          .then(gattServer => {
            let measurement_interval;
            return gattServer.getPrimaryService('health_thermometer')
                .then(ht => ht.getCharacteristic('measurement_interval'))
                .then(mi => measurement_interval = mi)
                .then(() => get_request_disconnection(gattServer))
                .then(requestDisconnection => {
                  requestDisconnection();
                  return assert_promise_rejects_with_message(
                      measurement_interval.CALLS(
                          [getDescriptor(user_description.name) |
                           getDescriptors(user_description.name)[UUID] |
                           getDescriptors()]),
                      new DOMException(
                          'GATT Server is disconnected. Cannot retrieve descriptors. ' +
                              '(Re)connect first with `device.gatt.connect`.',
                          'NetworkError'));
                });
          });
    },
    'Device disconnects during a FUNCTION_NAME call that succeeds. ' +
        'Reject with NetworkError.');