flutter/examples/api/test/material/segmented_button/segmented_button.1_test.dart
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

35 lines
1.3 KiB
Dart

// 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);
});
}