| // 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/services.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('receiveAction() forwards exception when exception occurs during action processing', (WidgetTester tester) async { |
| // Setup a widget that can receive focus so that we can open the keyboard. |
| const Widget widget = MaterialApp( |
| home: Material( |
| child: TextField(), |
| ), |
| ); |
| await tester.pumpWidget(widget); |
| |
| // Keyboard must be shown for receiveAction() to function. |
| await tester.showKeyboard(find.byType(TextField)); |
| |
| // Register a handler for the text input channel that throws an error. This |
| // error should be reported within a PlatformException by TestTextInput. |
| SystemChannels.textInput.setMethodCallHandler((MethodCall call) { |
| throw FlutterError('A fake error occurred during action processing.'); |
| }); |
| |
| try { |
| await tester.testTextInput.receiveAction(TextInputAction.done); |
| fail('Expected a PlatformException, but it was not thrown.'); |
| } catch (e) { |
| expect(e, isA<PlatformException>()); |
| } |
| }); |
| } |