// 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_api_samples/widgets/hardware_keyboard/key_event_manager.0.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('App tracks lifecycle states', (WidgetTester tester) async { Future<String> getCapturedKey() async { final Widget textWidget = tester.firstWidget( find.textContaining('is not handled by shortcuts.')); expect(textWidget, isA<Text>()); return (textWidget as Text).data!.split(' ').first; } await tester.pumpWidget( const MaterialApp( home: Scaffold( body: Center( child: example.FallbackDemo(), ) ), ), ); // Focus on the first text field. await tester.tap(find.byType(TextField).first); // Press Q, which is taken as a text input, unhandled by the keyboard system. await tester.sendKeyEvent(LogicalKeyboardKey.keyQ); await tester.pump(); expect(await getCapturedKey(), 'Q'); // Press Ctrl-A, which is taken as a text short cut, handled by the keyboard system. await tester.sendKeyDownEvent(LogicalKeyboardKey.controlLeft); await tester.sendKeyEvent(LogicalKeyboardKey.keyA); await tester.sendKeyUpEvent(LogicalKeyboardKey.controlLeft); expect(await getCapturedKey(), 'Q'); // Press A, which is taken as a text input, handled by the keyboard system. await tester.sendKeyEvent(LogicalKeyboardKey.keyA); await tester.pump(); expect(await getCapturedKey(), 'A'); // Focus on the second text field. await tester.tap(find.byType(TextField).last); // Press Q, which is taken as a stub shortcut, handled by the keyboard system. await tester.sendKeyEvent(LogicalKeyboardKey.keyQ); await tester.pump(); expect(await getCapturedKey(), 'A'); // Press B, which is taken as a text input, unhandled by the keyboard system. await tester.sendKeyEvent(LogicalKeyboardKey.keyB); await tester.pump(); expect(await getCapturedKey(), 'B'); // Press Ctrl-A, which is taken as a text short cut, handled by the keyboard system. await tester.sendKeyDownEvent(LogicalKeyboardKey.controlLeft); await tester.sendKeyEvent(LogicalKeyboardKey.keyA); await tester.sendKeyUpEvent(LogicalKeyboardKey.controlLeft); expect(await getCapturedKey(), 'B'); }); }