// 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 'package:flutter/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:macrobenchmarks/common.dart'; import 'util.dart'; void main() { macroPerfTestE2E( 'picture_cache_perf', kPictureCacheRouteName, pageDelay: const Duration(seconds: 1), body: (WidgetController controller) async { final Finder nestedScroll = find.byKey(const ValueKey<String>('tabbar_view')); expect(nestedScroll, findsOneWidget); Future<void> scrollOnce(double offset) async { await controller.timedDrag( nestedScroll, Offset(offset, 0.0), const Duration(milliseconds: 300), ); await Future<void>.delayed(const Duration(milliseconds: 500)); } for (int i = 0; i < 3; i += 1) { await scrollOnce(-300.0); await scrollOnce(-300.0); await scrollOnce(300.0); await scrollOnce(300.0); } }, ); }