1 files changed, 94 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Parsing/FieldCacheTests.cs b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Parsing/FieldCacheTests.cs
new file mode 100644
index 0000000..38bea21
--- /dev/null
+++ b/ThirdParty/CsvHelper-master/tests/CsvHelper.Tests/Parsing/FieldCacheTests.cs
@@ -0,0 +1,94 @@
+// 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;
+using System.Threading.Tasks;
+
+namespace CsvHelper.Tests.Parsing
+{
+	
+    public class FieldCacheTests
+    {
+		[Fact]
+		public void Read_WithFieldCacheEnabled_ReturnsSameFieldInstance()
+		{
+			var s = new StringBuilder();
+			s.Append("1,2\r\n");
+			s.Append("2,1\r\n");
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				CacheFields = true,
+			};
+			using (var reader = new StringReader(s.ToString()))
+			using (var parser = new CsvParser(reader, config))
+			{
+				parser.Read();
+				var a = parser[0];
+				parser.Read();
+				var b = parser[1];
+
+				Assert.Same(a, b);
+			}
+		}
+
+		[Fact]
+		public void Read_WithFieldCacheDisabled_ReturnsDifferentFieldInstance()
+		{
+			var s = new StringBuilder();
+			s.Append("1,2\r\n");
+			s.Append("2,1\r\n");
+			var config = new CsvConfiguration(CultureInfo.InvariantCulture)
+			{
+				CacheFields = false,
+			};
+			using (var reader = new StringReader(s.ToString()))
+			using (var parser = new CsvParser(reader, config))
+			{
+				parser.Read();
+				var a = parser[0];
+				parser.Read();
+				var b = parser[1];
+
+				Assert.NotSame(a, b);
+			}
+		}
+
+		[Fact]
+		public void Test1()
+		{
+			// "542008", "27721116", "98000820" have hash code 3769566006
+
+			var value1 = "542008";
+			var value2 = "27721116";
+			var value3 = "98000820";
+			var value4 = "542008";
+
+			var cache = new FieldCache(1);
+
+			var field1 = cache.GetField(value1.ToCharArray(), 0, value1.Length);
+			var field2 = cache.GetField(value2.ToCharArray(), 0, value2.Length);
+			var field3 = cache.GetField(value3.ToCharArray(), 0, value3.Length);
+			var field4 = cache.GetField(value4.ToCharArray(), 0, value4.Length);
+
+			Assert.Equal(value1, field1);
+			Assert.Equal(value2, field2);
+			Assert.Equal(value3, field3);
+			Assert.Equal(value4, field4);
+
+			Assert.NotSame(value1, field1);
+			Assert.NotSame(value2, field2);
+			Assert.NotSame(value3, field3);
+			Assert.NotSame(value4, field4);
+
+			Assert.Same(field1, field4);
+		}
+	}
+}