// 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/material.dart'; import 'package:flutter_api_samples/material/page_transitions_theme/page_transitions_theme.3.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('Page transition', (WidgetTester tester) async { await tester.pumpWidget(const example.PageTransitionsThemeApp()); final Finder homePage = find.byType(example.HomePage); expect(homePage, findsOneWidget); final Finder kitten0 = find.widgetWithText(ListTile, 'Kitten 0'); expect(kitten0, findsOneWidget); await tester.tap(kitten0); await tester.pumpAndSettle(); expect(find.widgetWithText(AppBar, 'Kitten 0'), findsOneWidget); await tester.tap(find.byType(BackButton)); await tester.pumpAndSettle(); expect(find.widgetWithText(ListTile, 'Kitten 0'), findsOneWidget); }); }