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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 CsvHelper.Configuration;
using Xunit;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
namespace CsvHelper.Tests.Writing
{
public class MultipleFieldsFromOnePropertyTests
{
[Fact]
public void WriteMultipleFieldsFromSinglePropertyTest()
{
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvWriter(writer, new CultureInfo("en-US")))
{
var records = new List<Test>
{
new Test { Dob = DateTime.Parse("9/6/2017", new CultureInfo("en-US")) }
};
csv.Context.RegisterClassMap<TestMap>();
csv.WriteRecords(records);
writer.Flush();
stream.Position = 0;
var expected = new TestStringBuilder(csv.Configuration.NewLine);
expected.AppendLine("A,B,C");
expected.AppendLine("9/6/2017 12:00:00 AM,9/6/2017 12:00:00 AM,9/6/2017 12:00:00 AM");
Assert.Equal(expected.ToString(), reader.ReadToEnd());
}
}
[Fact]
public void ReadingWhenMultipleMapsForAPropertyAreSpecifiedUsesTheLastMapTest()
{
using (var stream = new MemoryStream())
using (var reader = new StreamReader(stream))
using (var writer = new StreamWriter(stream))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
writer.WriteLine("A,B,C");
writer.WriteLine("9/6/2017 12:00:00 AM,9/7/2017 12:00:00 AM,9/8/2017 12:00:00 AM");
writer.Flush();
stream.Position = 0;
csv.Context.RegisterClassMap<TestMap>();
var records = csv.GetRecords<Test>().ToList();
Assert.Equal(DateTime.Parse("9/8/2017", CultureInfo.InvariantCulture), records[0].Dob);
}
}
private class Test
{
public DateTime Dob { get; set; }
}
private sealed class TestMap : ClassMap<Test>
{
public TestMap()
{
Map(m => m.Dob, false).Name("A");
Map(m => m.Dob, false).Name("B");
Map(m => m.Dob, false).Name("C");
}
}
}
}
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