| // 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/bottom_navigation_bar/bottom_navigation_bar.2.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('BottomNavigationBar Updates Screen Content', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| const example.BottomNavigationBarExampleApp(), |
| ); |
| |
| expect(find.widgetWithText(AppBar, 'BottomNavigationBar Sample'), findsOneWidget); |
| expect(find.byType(BottomNavigationBar), findsOneWidget); |
| expect(find.widgetWithText(Center, 'Item 0'), findsOneWidget); |
| |
| await tester.scrollUntilVisible(find.widgetWithText(Center, 'Item 49'), 100); |
| await tester.pumpAndSettle(); |
| expect(find.widgetWithText(Center, 'Item 49'), findsOneWidget); |
| |
| await tester.tap(find.byIcon(Icons.home)); |
| await tester.tap(find.byIcon(Icons.home)); |
| await tester.pumpAndSettle(); |
| |
| final Scrollable bodyScrollView = tester.widget(find.byType(Scrollable)); |
| expect(bodyScrollView.controller?.offset, 0.0); |
| |
| await tester.tap(find.byIcon(Icons.open_in_new_rounded)); |
| await tester.pumpAndSettle(); |
| expect(find.byType(AlertDialog), findsOneWidget); |
| }); |
| } |