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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using CsvHelper.Configuration;
using Xunit;
namespace CsvHelper.Tests
{
public class ClassMapOrderingTests
{
[Fact]
public void OrderingTest()
{
var list = new List<ContainerClass>
{
new ContainerClass
{
Contents = new ThirdClass
{
Third = 3,
Second = new SecondClass
{
Second = 2,
},
First = new FirstClass
{
First = 1,
},
}
},
};
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
csv.Context.RegisterClassMap<ContainerClassMap>();
csv.WriteRecords(list);
writer.Flush();
stream.Position = 0;
Assert.Equal("First,Second,Third", reader.ReadLine());
}
}
private class ContainerClass
{
public ThirdClass Contents { get; set; }
}
private class ThirdClass
{
public int Third { get; set; }
public SecondClass Second { get; set; }
public FirstClass First { get; set; }
}
private sealed class ContainerClassMap : ClassMap<ContainerClass>
{
public ContainerClassMap()
{
References<ThirdClassMap>(m => m.Contents);
}
}
private sealed class ThirdClassMap : ClassMap<ThirdClass>
{
public ThirdClassMap()
{
References<FirstClassMap>(m => m.First);
References<SecondClassMap>(m => m.Second);
Map(m => m.Third);
}
}
private class SecondClass
{
public int Second { get; set; }
}
private sealed class SecondClassMap : ClassMap<SecondClass>
{
public SecondClassMap()
{
Map(m => m.Second);
}
}
private class FirstClass
{
public int First { get; set; }
}
private sealed class FirstClassMap : ClassMap<FirstClass>
{
public FirstClassMap()
{
Map(m => m.First);
}
}
}
}
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