1 files changed, 199 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/DetectColumnCountChangesTests.cs b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/DetectColumnCountChangesTests.cs
new file mode 100644
index 0000000..7139409
--- /dev/null
+++ b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Reading/DetectColumnCountChangesTests.cs
@@ -0,0 +1,199 @@
+// 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.Globalization;
+using System.IO;
+using System.Linq;
+using CsvHelper.Configuration;
+using Xunit;
+
+namespace CsvHelper.Tests.Reading
+{
+	
+	public class DetectColumnCountChangesTests
+	{
+		[Fact]
+		public void ConsistentColumnsWithDetectColumnChangesTest()
+		{
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				DetectColumnCountChanges = true,
+			};
+			using (var stream = new MemoryStream())
+			using (var writer = new StreamWriter(stream))
+			using (var reader = new StreamReader(stream))
+			using (var csv = new CsvReader(reader, config))
+			{
+				writer.WriteLine("Column 1,Column 2");
+				writer.WriteLine("1,2");
+				writer.Flush();
+				stream.Position = 0;
+
+				while (!csv.Read())
+				{
+				}
+			}
+		}
+
+		[Fact]
+		public void InconsistentColumnsMultipleRowsTest()
+		{
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				DetectColumnCountChanges = true,
+			};
+			using (var stream = new MemoryStream())
+			using (var writer = new StreamWriter(stream))
+			using (var reader = new StreamReader(stream))
+			using (var csv = new CsvReader(reader, config))
+			{
+				writer.WriteLine("Column 1,Column 2");
+				writer.WriteLine("1,2"); // Valid
+				writer.WriteLine("1,2,3"); // Error - too many fields
+				writer.WriteLine("1,2"); // Valid
+				writer.WriteLine("1"); // Error - not enough fields
+				writer.WriteLine("1,2,3,4"); // Error - too many fields
+				writer.WriteLine("1,2"); // Valid
+				writer.WriteLine("1,2"); // Valid
+				writer.Flush();
+				stream.Position = 0;
+
+				var failCount = 0;
+
+				while (true)
+				{
+					try
+					{
+						if (!csv.Read())
+						{
+							break;
+						}
+					}
+					catch (BadDataException)
+					{
+						failCount++;
+					}
+				}
+
+				// Expect only 3 errors
+				Assert.Equal<int>(3, failCount);
+			}
+		}
+
+		[Fact]
+		public void InconsistentColumnsSmallerTest()
+		{
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				DetectColumnCountChanges = true,
+			};
+			using (var stream = new MemoryStream())
+			using (var writer = new StreamWriter(stream))
+			using (var reader = new StreamReader(stream))
+			using (var csv = new CsvReader(reader, config))
+			{
+				writer.WriteLine("1,2,3,4");
+				writer.WriteLine("5,6,7");
+				writer.Flush();
+				stream.Position = 0;
+
+				csv.Read();
+
+				try
+				{
+					csv.Read();
+					throw new XUnitException();
+				}
+				catch (BadDataException)
+				{
+				}
+			}
+		}
+
+		[Fact]
+		public void InconsistentColumnsTest()
+		{
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				DetectColumnCountChanges = true,
+			};
+			using (var stream = new MemoryStream())
+			using (var writer = new StreamWriter(stream))
+			using (var reader = new StreamReader(stream))
+			using (var csv = new CsvReader(reader, config))
+			{
+				writer.WriteLine("Column 1,Column 2");
+				writer.WriteLine("1,2,3");
+				writer.Flush();
+				stream.Position = 0;
+
+				csv.Read();
+
+				try
+				{
+					csv.Read();
+					throw new XUnitException();
+				}
+				catch (BadDataException)
+				{
+				}
+			}
+		}
+
+		[Fact]
+		public void WillThrowOnMissingFieldStillWorksTest()
+		{
+			var missingFieldExceptionCount = 0;
+			var columnCountChangeExceptionCount = 0;
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				DetectColumnCountChanges = true,
+				HeaderValidated = null,
+				ReadingExceptionOccurred = (args) =>
+				{
+					if (args.Exception is MissingFieldException)
+					{
+						missingFieldExceptionCount++;
+					}
+					else if (args.Exception is BadDataException)
+					{
+						columnCountChangeExceptionCount++;
+					}
+
+					return false;
+				},
+			};
+			using (var stream = new MemoryStream())
+			using (var writer = new StreamWriter(stream))
+			using (var reader = new StreamReader(stream))
+			using (var csv = new CsvReader(reader, config))
+			{
+				writer.WriteLine("1,2,3");
+				writer.WriteLine("4,5");
+				writer.Flush();
+				stream.Position = 0;
+
+				csv.Context.RegisterClassMap<TestMap>();
+				var records = csv.GetRecords<Test>().ToList();
+				Assert.Equal(1, missingFieldExceptionCount);
+				Assert.Equal(1, columnCountChangeExceptionCount);
+			}
+		}
+
+		private class Test
+		{
+			public int Id { get; set; }
+			public string Name { get; set; }
+		}
+
+		private sealed class TestMap : ClassMap<Test>
+		{
+			public TestMap()
+			{
+				Map(m => m.Id);
+				Map(m => m.Name);
+			}
+		}
+	}
+}