// 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.1.dart'asexample;import'package:flutter_test/flutter_test.dart';voidmain(){testWidgets('AspectRatio applies 2.0 aspect ratio on its child',(WidgetTestertester)async{constSizecontainerSize=Size(100,100);awaittester.pumpWidget(constexample.AspectRatioApp(),);finalSizeparentContainer=tester.getSize(find.byType(Container).first);expect(parentContainer,containerSize);finalSizechildContainer=tester.getSize(find.byType(Container).last);expect(childContainer,Size(containerSize.height,containerSize.height/2.0));});}