// 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/rendering.dart';import'package:flutter_api_samples/widgets/sliver/sliver_constrained_cross_axis.0.dart'asexample;import'package:flutter_test/flutter_test.dart';voidmain(){testWidgets('SliverConstrainedCrossAxis example',(WidgetTestertester)async{awaittester.pumpWidget(constexample.SliverConstrainedCrossAxisExampleApp(),);finalRenderSliverListrenderSliverList=tester.renderObject(find.byType(SliverList));expect(renderSliverList.constraints.crossAxisExtent,equals(200));});}