'use strict';
const test_desc =
    'Calls to FUNCTION_NAME after a disconnection should return ' +
    'a different object.';
let device, services_first_connection, services_second_connection;

bluetooth_bidi_test(
    () => getHealthThermometerDevice({
            filters: [{services: ['health_thermometer']}],
            optionalServices: ['generic_access']
          })
              .then(_ => ({device} = _))
              .then(() => device.gatt.CALLS([
                getPrimaryService('health_thermometer') | getPrimaryServices() |
                getPrimaryServices('health_thermometer')[UUID]
              ]))
              .then(services => services_first_connection = services)
              .then(() => device.gatt.disconnect())
              .then(() => device.gatt.connect())
              .then(() => device.gatt.PREVIOUS_CALL)
              .then(services => services_second_connection = services)
              .then(() => {
                // Convert to arrays if necessary.
                services_first_connection =
                    [].concat(services_first_connection);
                services_second_connection =
                    [].concat(services_second_connection);

                assert_equals(
                    services_first_connection.length,
                    services_second_connection.length);

                let first_connection_set = new Set(services_first_connection);
                let second_connection_set = new Set(services_second_connection);

                // The two sets should be disjoint.
                let common_services = services_first_connection.filter(
                    val => second_connection_set.has(val));
                assert_equals(common_services.length, 0);
              }),
    test_desc);
