// 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/widgets/navigator/navigator.restorable_push_replacement.0.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('It pushes a restorable route and restores it', (WidgetTester tester) async { await tester.pumpWidget(const example.RestorablePushReplacementExampleApp()); expect(find.widgetWithText(AppBar, 'Sample Code'), findsOne); expect(find.text('This is the initial route.'), findsOne); final TestRestorationData initialData = await tester.getRestorationData(); await tester.tap(find.widgetWithIcon(FloatingActionButton, Icons.add)); await tester.pumpAndSettle(); expect(find.text('This is a new route.'), findsOne); await tester.restartAndRestore(); expect(find.text('This is a new route.'), findsOne); final TestRestorationData pushedData = await tester.getRestorationData(); await tester.restoreFrom(initialData); await tester.pumpAndSettle(); expect(find.text('This is the initial route.'), findsOne); await tester.restoreFrom(pushedData); expect(find.text('This is a new route.'), findsOne); }); }