| // 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_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('TextField works correctly when changing helperText', (WidgetTester tester) async { |
| await tester.pumpWidget(const MaterialApp(home: Material(child: TextField(decoration: InputDecoration(helperText: 'Awesome'))))); |
| expect(find.text('Awesome'), findsNWidgets(1)); |
| await tester.pump(const Duration(milliseconds: 100)); |
| expect(find.text('Awesome'), findsNWidgets(1)); |
| await tester.pumpWidget(const MaterialApp(home: Material(child: TextField(decoration: InputDecoration(errorText: 'Awesome'))))); |
| expect(find.text('Awesome'), findsNWidgets(2)); |
| }); |
| } |