Updated Microsoft.CodeAnalysis.CSharp.Workspaces to version 4.4.0 for the c# 11 test project

Author: bjornhellander

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp11/StyleCop.Analyzers.Test.CSharp11.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.2.0-4.final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="all" />
   </ItemGroup>

StyleCop.Analyzers/StyleCop.Analyzers.Test/Verifiers/StyleCopCodeFixVerifier`2.cs

@@ -276,16 +276,9 @@ protected override IEnumerable<CodeFixProvider> GetCodeFixProviders()
                 return new[] { codeFixProvider };
             }
 
-            // TODO: Remove when c# 11 is a supported language version
+            // NOTE: If needed, this method can be temporarily updated to default to a preview version
             private LanguageVersion? GetDefaultLanguageVersion()
             {
-                // Temporary fix since c# 11 is not yet the default language version
-                // in the c# 11 test project.
-                if (LightupHelpers.SupportsCSharp11)
-                {
-                    return LanguageVersionEx.Preview;
-                }
-
                 return null;
             }
         }

StyleCop.Analyzers/StyleCop.Analyzers.Test/Verifiers/StyleCopDiagnosticVerifier`1.cs

@@ -81,16 +81,9 @@ protected override ParseOptions CreateParseOptions()
                 return parseOptions;
             }
 
-            // TODO: Remove when c# 11 is a supported language version
+            // NOTE: If needed, this method can be temporarily updated to default to a preview version
             private LanguageVersion? GetDefaultLanguageVersion()
             {
-                // Temporary fix since c# 11 is not yet the default language version
-                // in the c# 11 test project.
-                if (LightupHelpers.SupportsCSharp11)
-                {
-                    return LanguageVersionEx.Preview;
-                }
-
                 return null;
             }
         }

StyleCop.Analyzers/StyleCop.Analyzers/Lightup/LanguageVersionEx.cs

@@ -19,6 +19,7 @@ internal static class LanguageVersionEx
         public const LanguageVersion CSharp8 = (LanguageVersion)800;
         public const LanguageVersion CSharp9 = (LanguageVersion)900;
         public const LanguageVersion CSharp10 = (LanguageVersion)1000;
+        public const LanguageVersion CSharp11 = (LanguageVersion)1100;
         public const LanguageVersion LatestMajor = (LanguageVersion)int.MaxValue - 2;
         public const LanguageVersion Preview = (LanguageVersion)int.MaxValue - 1;
         public const LanguageVersion Latest = (LanguageVersion)int.MaxValue;

StyleCop.Analyzers/StyleCop.Analyzers/Lightup/LightupHelpers.cs

@@ -46,10 +46,8 @@ private static readonly ConcurrentDictionary<Type, ConcurrentDictionary<Operatio
         public static bool SupportsCSharp10 { get; }
             = Enum.GetNames(typeof(LanguageVersion)).Contains(nameof(LanguageVersionEx.CSharp10));
 
-        // NOTE: Since c# is only in preview yet, we need to check something else than available language versions. Picked a new syntax kind temporarily.
-        // TODO: Update when c# 11 is available as a language version.
         public static bool SupportsCSharp11 { get; }
-            = Enum.GetNames(typeof(SyntaxKind)).Contains(nameof(SyntaxKindEx.SlicePattern));
+            = Enum.GetNames(typeof(LanguageVersion)).Contains(nameof(LanguageVersionEx.CSharp11));
 
         public static bool SupportsIOperation => SupportsCSharp73;