servo/tests/wpt/web-platform-tests/bluetooth/server/getPrimaryServices/gen-get-same-object.https.window.js

// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=/bluetooth/resources/bluetooth-test.js
// META: script=/bluetooth/resources/bluetooth-fake-devices.js
// Generated by //third_party/WebKit/LayoutTests/bluetooth/generate.py
'use strict';
const test_desc = 'Calls to getPrimaryServices should return the same object.';
let device;

bluetooth_test(
    () =>
        getHealthThermometerDevice({
          filters: [{services: ['health_thermometer']}],
          optionalServices: ['generic_access']
        })
            .then(({device}) => Promise.all([
              device.gatt.getPrimaryServices(), device.gatt.getPrimaryServices()
            ]))
            .then(([services_first_call, services_second_call]) => {
              // Convert to arrays if necessary.
              services_first_call = [].concat(services_first_call);
              services_second_call = [].concat(services_second_call);

              assert_equals(
                  services_first_call.length, services_second_call.length);

              let first_call_set = new Set(services_first_call);
              assert_equals(services_first_call.length, first_call_set.size);
              let second_call_set = new Set(services_second_call);
              assert_equals(services_second_call.length, second_call_set.size);

              services_first_call.forEach(
                  service => {assert_true(second_call_set.has(service))});

              services_second_call.forEach(service => {
                assert_true(first_call_set.has(service));
              });
            }),
    test_desc);