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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 Xunit;
using System.Dynamic;
using System.Globalization;
using System.IO;
using System.Text;
namespace CsvHelper.Tests.Writing
{
public class MultipleHeadersTest
{
[Fact]
public void GenericTypeTest()
{
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
csv.WriteHeader<A>();
csv.NextRecord();
csv.WriteRecord(new A { Id = 1 });
csv.NextRecord();
csv.WriteHeader<B>();
csv.NextRecord();
csv.WriteRecord(new B { Name = "one" });
csv.NextRecord();
writer.Flush();
var expected = new TestStringBuilder(csv.Configuration.NewLine);
expected.AppendLine("Id");
expected.AppendLine("1");
expected.AppendLine("Name");
expected.AppendLine("one");
Assert.Equal(expected.ToString(), writer.ToString());
}
}
[Fact]
public void DynamicTypeTest()
{
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
dynamic a = new ExpandoObject();
a.Id = 1;
csv.WriteDynamicHeader(a);
csv.NextRecord();
csv.WriteRecord(a);
csv.NextRecord();
dynamic b = new ExpandoObject();
b.Name = "one";
csv.WriteDynamicHeader(b);
csv.NextRecord();
csv.WriteRecord(b);
csv.NextRecord();
writer.Flush();
var expected = new TestStringBuilder(csv.Configuration.NewLine);
expected.AppendLine("Id");
expected.AppendLine("1");
expected.AppendLine("Name");
expected.AppendLine("one");
Assert.Equal(expected.ToString(), writer.ToString());
}
}
private class A
{
public int Id { get; set; }
}
private class B
{
public string Name { get; set; }
}
}
}
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