| // 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/material/text_button/text_button.1.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| |
| testWidgets('SelectableButton', (WidgetTester tester) async { |
| await tester.pumpWidget( |
| MaterialApp( |
| theme: ThemeData( |
| colorScheme: const ColorScheme.light(), |
| ), |
| home: const example.Home(), |
| ), |
| ); |
| |
| final Finder button = find.byType(example.SelectableButton); |
| |
| example.SelectableButton buttonWidget() => tester.widget<example.SelectableButton>(button); |
| |
| Material buttonMaterial() { |
| return tester.widget<Material>( |
| find.descendant( |
| of: find.byType(example.SelectableButton), |
| matching: find.byType(Material), |
| ), |
| ); |
| } |
| |
| expect(buttonWidget().selected, false); |
| expect(buttonMaterial().textStyle!.color, const ColorScheme.light().primary); // default button foreground color |
| expect(buttonMaterial().color, Colors.transparent); // default button background color |
| |
| await tester.tap(button); // Toggles the button's selected property. |
| await tester.pumpAndSettle(); |
| expect(buttonWidget().selected, true); |
| expect(buttonMaterial().textStyle!.color, Colors.white); |
| expect(buttonMaterial().color, Colors.indigo); |
| |
| |
| await tester.tap(button); // Toggles the button's selected property. |
| await tester.pumpAndSettle(); |
| expect(buttonWidget().selected, false); |
| expect(buttonMaterial().textStyle!.color, const ColorScheme.light().primary); |
| expect(buttonMaterial().color, Colors.transparent); |
| }); |
| } |