// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'dart:developer' as developer; import 'dart:ui'; import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { test('first frame callback sets the default UserTag', () { final WidgetsBinding binding = WidgetsFlutterBinding.ensureInitialized(); // TODO(iskakaushik): https://github.com/flutter/flutter/issues/86947 final String userTag = developer.getCurrentTag().label; final bool isValid = <String>{'Default', 'AppStartUp'}.contains(userTag); expect(isValid, equals(true)); developer.UserTag('test tag').makeCurrent(); expect(developer.getCurrentTag().label, equals('test tag')); binding.drawFrame(); // Simulates the engine again. binding.platformDispatcher.onReportTimings!(<FrameTiming>[]); expect(developer.getCurrentTag().label, equals('Default')); }); }