1 files changed, 156 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/CsvWriterReferenceMappingTests.cs b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/CsvWriterReferenceMappingTests.cs
new file mode 100644
index 0000000..4a0053f
--- /dev/null
+++ b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/CsvWriterReferenceMappingTests.cs
@@ -0,0 +1,156 @@
+// 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 System.Text;
+using CsvHelper.Configuration;
+using Xunit;
+
+namespace CsvHelper.Tests
+{
+	
+	public class CsvWriterReferenceMappingTests
+	{
+		[Fact]
+		public void NestedReferencesTest()
+		{
+			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<AMap>();
+
+				var list = new List<A>();
+				for (var i = 0; i < 4; i++)
+				{
+					var row = i + 1;
+					list.Add(
+							 new A
+							 {
+								 Id = "a" + row,
+								 B = new B
+								 {
+									 Id = "b" + row,
+									 C = new C
+									 {
+										 Id = "c" + row,
+										 D = new D
+										 {
+											 Id = "d" + row
+										 }
+									 }
+								 }
+							 });
+				};
+
+				csv.WriteRecords(list);
+				writer.Flush();
+				stream.Position = 0;
+
+				var data = reader.ReadToEnd();
+
+				var expected = new TestStringBuilder(csv.Configuration.NewLine);
+				expected.AppendLine("AId,BId,CId,DId");
+				expected.AppendLine("a1,b1,c1,d1");
+				expected.AppendLine("a2,b2,c2,d2");
+				expected.AppendLine("a3,b3,c3,d3");
+				expected.AppendLine("a4,b4,c4,d4");
+				Assert.Equal(expected.ToString(), data);
+			}
+		}
+
+		[Fact]
+		public void NullReferenceTest()
+		{
+			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<AMap>();
+
+				var list = new List<A>
+				{
+					new A
+					{
+						Id = "1",
+					}
+				};
+				csv.WriteRecords(list);
+				writer.Flush();
+				stream.Position = 0;
+
+				var data = reader.ReadToEnd();
+				var expected = new TestStringBuilder(csv.Configuration.NewLine);
+				expected.AppendLine("AId,BId,CId,DId");
+				expected.AppendLine("1,,,");
+				Assert.Equal(expected.ToString(), data);
+			}
+		}
+
+		private class A
+		{
+			public string Id { get; set; }
+
+			public B B { get; set; }
+		}
+
+		private class B
+		{
+			public string Id { get; set; }
+
+			public C C { get; set; }
+		}
+
+		private class C
+		{
+			public string Id { get; set; }
+
+			public D D { get; set; }
+		}
+
+		private class D
+		{
+			public string Id { get; set; }
+		}
+
+		private sealed class AMap : ClassMap<A>
+		{
+			public AMap()
+			{
+				Map(m => m.Id).Name("AId");
+				References<BMap>(m => m.B);
+			}
+		}
+
+		private sealed class BMap : ClassMap<B>
+		{
+			public BMap()
+			{
+				Map(m => m.Id).Name("BId");
+				References<CMap>(m => m.C);
+			}
+		}
+
+		private sealed class CMap : ClassMap<C>
+		{
+			public CMap()
+			{
+				Map(m => m.Id).Name("CId");
+				References<DMap>(m => m.D);
+			}
+		}
+
+		private sealed class DMap : ClassMap<D>
+		{
+			public DMap()
+			{
+				Map(m => m.Id).Name("DId");
+			}
+		}
+	}
+}