// 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/services.dart'; import 'package:flutter/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('toString control test', (WidgetTester tester) async { final Widget widget = Title( color: const Color(0xFF00FF00), title: 'Awesome app', child: Container(), ); expect(widget.toString, isNot(throwsException)); }); testWidgets('should handle having no title', (WidgetTester tester) async { final Title widget = Title( color: const Color(0xFF00FF00), child: Container(), ); expect(widget.toString, isNot(throwsException)); expect(widget.title, equals('')); expect(widget.color, equals(const Color(0xFF00FF00))); }); testWidgets('should not allow non-opaque color', (WidgetTester tester) async { expect(() => Title( color: const Color(0x00000000), child: Container(), ), throwsAssertionError); }); testWidgets('should not pass "null" to setApplicationSwitcherDescription', (WidgetTester tester) async { final List<MethodCall> log = <MethodCall>[]; tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, (MethodCall methodCall) async { log.add(methodCall); }); await tester.pumpWidget(Title( color: const Color(0xFF00FF00), child: Container(), )); expect(log, hasLength(1)); expect(log.single, isMethodCall( 'SystemChrome.setApplicationSwitcherDescription', arguments: <String, dynamic>{'label': '', 'primaryColor': 4278255360}, )); }); }