Increase code coverage for System.Net.Security (#26044)

* Improve code coverage for System.IO.FileSystem.AccessControl

* Added check on parameter names for ArgumentNullExceptions and only passing in one null parameter

* add tests for gets and sets that do not throw exceptions

* renamed tests with returns valid object and removed set tests

* use temp directory and file

* use temp directory and file

* use TempDirectory and TempFile from Common code

* remove reference that is not needed

* call extension method from object

* increase code coverage

* Increase code coverage System.Net.Security

* requested changes from Priya91

* change requested by danmosemsft

Author: the-dwyer

src/System.Net.Security/tests/UnitTests/System.Net.Security.Unit.Tests.csproj

@@ -24,7 +24,9 @@
     <Compile Include="SslApplicationProtocolTests.cs" />
     <Compile Include="SslAuthenticationOptionsTests.cs" />
     <Compile Include="SslStreamAllowedProtocolsTest.cs" />
+    <Compile Include="System\Security\Authentication\AuthenticationExceptionTest.cs" />
     <Compile Include="System\Security\Authentication\ExtendedProtection\ExtendedProtectionPolicyTest.cs" />
+    <Compile Include="System\Security\Authentication\InvalidCredentialExceptionTest.cs" />
     <Compile Include="TlsAlertsMatchWindowsInterop.cs" />
     <!-- Fakes -->
     <Compile Include="Fakes\FakeSslState.cs" />
@@ -84,4 +86,4 @@
     <Reference Include="System.Threading.Tasks" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
-</Project>
+</Project>

src/System.Net.Security/tests/UnitTests/System/Security/Authentication/AuthenticationExceptionTest.cs

@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Security.Authentication;
+using Xunit;
+
+namespace System.Net.Security.Tests
+{
+    public class AuthenticationExceptionTest
+    {
+        [Fact]
+        public void Constructor_NoParameter_DefaultMessageIsNotNull()
+        {
+            AuthenticationException authenticationException = new AuthenticationException();
+
+            Assert.NotNull(authenticationException.Message);
+        }
+
+        [Fact]
+        public void Constructor_String_PassedInMessageCorrect()
+        {
+            const string passedInMessage = "base was called";
+
+            AuthenticationException authenticationException = new AuthenticationException(passedInMessage);
+
+            Assert.Equal(passedInMessage, authenticationException.Message);
+        }
+
+        [Fact]
+        public void Constructor_String_Exception_MessagesCorrect()
+        {
+            const string passedInMessage = "base was called";
+            const string innerExceptionMessage = "this is the inner exception message";
+
+            AuthenticationException authenticationException = new AuthenticationException(passedInMessage, new Exception(innerExceptionMessage));
+
+            Assert.Equal(passedInMessage, authenticationException.Message);
+            Assert.Equal(innerExceptionMessage, authenticationException.InnerException.Message);
+        }
+    }
+}

src/System.Net.Security/tests/UnitTests/System/Security/Authentication/InvalidCredentialExceptionTest.cs

@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Security.Authentication;
+using Xunit;
+
+namespace System.Net.Security.Tests
+{
+    public class InvalidCredentialExceptionTest
+    {
+        [Fact]
+        public void Constructor_NoParameter_DefaultMessageIsNotNull()
+        {
+            InvalidCredentialException invalidCredentialException = new InvalidCredentialException();
+
+            Assert.NotNull(invalidCredentialException.Message);
+        }
+
+        [Fact]
+        public void Constructor_String_PassedInMessageCorrect()
+        {
+            const string passedInMessage = "base was called";
+
+            InvalidCredentialException invalidCredentialException = new InvalidCredentialException(passedInMessage);
+
+            Assert.Equal(passedInMessage, invalidCredentialException.Message);
+        }
+
+        [Fact]
+        public void Constructor_String_Exception_MessagesCorrect()
+        {
+            const string passedInMessage = "base was called";
+            const string innerExceptionMessage = "this is the inner exception message";
+
+            InvalidCredentialException invalidCredentialException = new InvalidCredentialException(passedInMessage, new Exception(innerExceptionMessage));
+
+            Assert.Equal(passedInMessage, invalidCredentialException.Message);
+            Assert.Equal(innerExceptionMessage, invalidCredentialException.InnerException.Message);
+        }
+    }
+}