// 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/segmented_button/segmented_button.1.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('Can use SegmentedButton.styleFrom to customize SegmentedButton', (WidgetTester tester) async { await tester.pumpWidget( const example.SegmentedButtonApp(), ); final Color unselectedBackgroundColor = Colors.grey[200]!; const Color unselectedForegroundColor = Colors.red; const Color selectedBackgroundColor = Colors.green; const Color selectedForegroundColor = Colors.white; Material getMaterial(String text) { return tester.widget<Material>(find.ancestor( of: find.text(text), matching: find.byType(Material), ).first); } // Verify the unselected button style. expect(getMaterial('Day').textStyle?.color, unselectedForegroundColor); expect(getMaterial('Day').color, unselectedBackgroundColor); // Verify the selected button style. expect(getMaterial('Week').textStyle?.color, selectedForegroundColor); expect(getMaterial('Week').color, selectedBackgroundColor); }); }