Add tests

test/UnitTests/TestFramework.UnitTests/Exceptions/BinaryFormatterExceptionSerializationTests.cs

@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#if NETFRAMEWORK
+using System.Runtime.Serialization.Formatters.Binary;
+
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+using TestFramework.ForTestingMSTest;
+
+namespace Microsoft.VisualStudio.TestPlatform.TestFramework.UnitTests.Attributes;
+
+public class BinaryFormatterExceptionSerializationTests : TestContainer
+{
+    public void AssertFailedExceptionCanBeSerializedAndDeserialized()
+        => VerifySerialization(() => Assert.AreEqual(0, 1));
+
+    private void VerifySerialization(Action actionThatThrows)
+    {
+        try
+        {
+            actionThatThrows();
+        }
+        catch (Exception ex)
+        {
+            var mem = new MemoryStream();
+            new BinaryFormatter().Serialize(mem, ex);
+            mem.Position = 0;
+            new BinaryFormatter().Deserialize(mem);
+        }
+
+        throw new InvalidOperationException($"The provided '{nameof(actionThatThrows)}' did not throw any exception.");
+    }
+}
+#endif

test/UnitTests/TestFramework.UnitTests/TestFramework.UnitTests.csproj

@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(RepoRoot)src\TestFramework\TestFramework\TestFramework.csproj"/>
+    <ProjectReference Include="$(RepoRoot)src\TestFramework\TestFramework\TestFramework.csproj" />
     <ProjectReference Include="$(RepoRoot)test\Utilities\TestFramework.ForTestingMSTest\TestFramework.ForTestingMSTest.csproj" />
   </ItemGroup>