| // 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/widgets/basic/aspect_ratio.0.dart' as example; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| void main() { |
| testWidgets('AspectRatio applies 16 / 9 aspect ratio on its child', (WidgetTester tester) async { |
| const double height = 100.0; |
| |
| await tester.pumpWidget( |
| const example.AspectRatioApp(), |
| ); |
| |
| final Size parentContainer = tester.getSize(find.byType(Container).first); |
| expect(parentContainer.width, 800.0); |
| expect(parentContainer.height, height); |
| |
| final Size childContainer = tester.getSize(find.byType(Container).last); |
| expect(childContainer.width, height * 16 / 9); |
| expect(childContainer.height, height); |
| }); |
| } |