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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.Linq;
using CsvHelper.Configuration;
using CsvHelper.Tests.Mocks;
using Xunit;
namespace CsvHelper.Tests
{
public class ReferenceMappingIndexTests
{
[Fact]
public void MapByIndexTest()
{
var config = new CsvConfiguration(CultureInfo.InvariantCulture)
{
HasHeaderRecord = false,
};
var parserMock = new ParserMock(config)
{
new[] { "0", "1" },
new[] { "2", "3" },
};
var csv = new CsvReader(parserMock);
csv.Context.RegisterClassMap<AMap>();
var records = csv.GetRecords<A>().ToList();
Assert.Equal(1, records[0].Id);
Assert.Equal(0, records[0].B.Id);
Assert.Equal(3, records[1].Id);
Assert.Equal(2, records[1].B.Id);
}
private class A
{
public int Id { get; set; }
public B B { get; set; }
}
private class B
{
public int Id { get; set; }
}
private sealed class AMap : ClassMap<A>
{
public AMap()
{
Map(m => m.Id).Index(1);
References<BMap>(m => m.B);
}
}
private sealed class BMap : ClassMap<B>
{
public BMap()
{
Map(m => m.Id).Index(0);
}
}
}
}
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