.NET version information extracted from Tester

ICSharpCode.Decompiler.Tests/Documentation/IdStringProviderTests.cs

@@ -515,7 +515,7 @@ namespace ModreqParams
 			roslynCompilation = CSharpCompilation.Create(
 				"IdStringTestAssembly",
 				new[] { syntaxTree },
-				Tester.CoreDefaultReferences.Select(r => MetadataReference.CreateFromFile(Path.Combine(Tester.RefAssembliesToolset.GetPath(Tester.CurrentNetCoreAppVersion), r))),
+				Tester.CoreDefaultReferences.Select(r => MetadataReference.CreateFromFile(Path.Combine(Tester.RefAssembliesToolset.GetPath(CurrentNetCoreVersion.AppVersion), r))),
 				new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, allowUnsafe: true));
 
 			// Verify the compilation has no errors (warnings are OK)

ICSharpCode.Decompiler.Tests/Helpers/CurrentNetCoreVersion.cs

@@ -0,0 +1,29 @@
+// Copyright (c) 2015 Daniel Grunwald
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+namespace ICSharpCode.Decompiler.Tests.Helpers
+{
+	static class CurrentNetCoreVersion
+	{
+		public const string Version = "11.0";
+		public const string AppVersion = ".NETCoreApp,Version=v11.0";
+		public const string RefAsmVersion = "11.0.0-preview.5.26302.115";
+
+		public const string RefAsmPackage = "Microsoft.NETCore.App.Ref";
+	}
+}

ICSharpCode.Decompiler.Tests/Helpers/RoslynToolset.cs

@@ -228,7 +228,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 		{
 		}
 
-		public async Task Fetch(string version, string packageName = "Microsoft.NETCore.App.Ref", string sourcePath = "ref/net5.0")
+		public async Task Fetch(string version, string packageName = CurrentNetCoreVersion.RefAsmPackage, string sourcePath = "ref/net5.0")
 		{
 			string path = Path.Combine(baseDir, version, sourcePath);
 			if (!Directory.Exists(path))

ICSharpCode.Decompiler.Tests/Helpers/Tester.VB.cs

@@ -53,7 +53,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 					CompilerOptions.UseRoslyn1_3_2 => ("1.3.2", "14", null),
 					CompilerOptions.UseRoslyn2_10_0 => ("2.10.0", "latest", targetNet40 ? null : ".NETCoreApp,Version=v2.2"),
 					CompilerOptions.UseRoslyn3_11_0 => ("3.11.0", "latest", targetNet40 ? null : ".NETCoreApp,Version=v5.0"),
-					_ => (roslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest", targetNet40 ? null : CurrentNetCoreAppVersion)
+					_ => (roslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest", targetNet40 ? null : CurrentNetCoreVersion.AppVersion)
 				};
 
 				var vbcPath = roslynToolset.GetVBCompiler(roslynVersion);

ICSharpCode.Decompiler.Tests/Helpers/Tester.cs

@@ -85,20 +85,16 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 		UseDebug = 0x1,
 		Force32Bit = 0x2,
 		Library = 0x4,
-		/// Testing our own disassembler, or working around a bug in ildasm.
+		// Testing our own disassembler, or working around a bug in ildasm.
 		UseOwnDisassembler = 0x8,
-		/// Work around bug in .NET 5 ilasm (https://github.com/dotnet/runtime/issues/32400)
+		// Work around bug in .NET 5 ilasm (https://github.com/dotnet/runtime/issues/32400)
 		UseLegacyAssembler = 0x10,
-		/// UseSortByNameFilter, implies UseOwnDisassembler
+		// UseSortByNameFilter, implies UseOwnDisassembler
 		SortedOutput = 0x20,
 	}
 
 	public static partial class Tester
 	{
-		public const string CurrentNetCoreVersion = "11.0";
-		public const string CurrentNetCoreAppVersion = ".NETCoreApp,Version=v11.0";
-		public const string CurrentNetCoreRefAsmVersion = "11.0.0-preview.5.26302.115";
-
 		public static readonly string TesterPath;
 		public static readonly string TestCasePath;
 
@@ -123,9 +119,9 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 			TesterPath = Path.GetDirectoryName(typeof(Tester).Assembly.Location);
 			TestCasePath = Path.Combine(TesterPath, "../../../../TestCases");
 #if DEBUG
-			testRunnerBasePath = Path.Combine(TesterPath, $"../../../../../ICSharpCode.Decompiler.TestRunner/bin/Debug/net{CurrentNetCoreVersion}");
+			testRunnerBasePath = Path.Combine(TesterPath, $"../../../../../ICSharpCode.Decompiler.TestRunner/bin/Debug/net{CurrentNetCoreVersion.Version}");
 #else
-			testRunnerBasePath = Path.Combine(TesterPath, $"../../../../../ICSharpCode.Decompiler.TestRunner/bin/Release/net{CurrentNetCoreVersion}");
+			testRunnerBasePath = Path.Combine(TesterPath, $"../../../../../ICSharpCode.Decompiler.TestRunner/bin/Release/net{CurrentNetCoreVersion.Version}");
 #endif
 			// To parse: <Project><ItemGroup><PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0-3.final" />
 			packagesPropsFile = Path.Combine(TesterPath, "../../../../../Directory.Packages.props");
@@ -165,7 +161,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 			await vswhereToolset.Fetch().ConfigureAwait(false);
 			await RefAssembliesToolset.Fetch("5.0.0", sourcePath: "ref/net5.0").ConfigureAwait(false);
 			await RefAssembliesToolset.Fetch("9.0.0", sourcePath: "ref/net9.0").ConfigureAwait(false);
-			await RefAssembliesToolset.Fetch(CurrentNetCoreRefAsmVersion, sourcePath: $"ref/net{CurrentNetCoreVersion}").ConfigureAwait(false);
+			await RefAssembliesToolset.Fetch(CurrentNetCoreVersion.RefAsmVersion, sourcePath: $"ref/net{CurrentNetCoreVersion.Version}").ConfigureAwait(false);
 
 #if DEBUG
 			const string testRunnerConfig = "Debug";
@@ -472,7 +468,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 		public static IReadOnlyList<string> CoreDefaultReferences => coreDefaultReferences;
 
 		static readonly Dictionary<string, Lazy<string>> targetFrameworkAttributeSnippetFiles = new() {
-			{ CurrentNetCoreAppVersion, new Lazy<string>(() => GetTargetFrameworkAttributeSnippetFile(CurrentNetCoreAppVersion)) },
+			{ CurrentNetCoreVersion.AppVersion, new Lazy<string>(() => GetTargetFrameworkAttributeSnippetFile(CurrentNetCoreVersion.AppVersion)) },
 			{ ".NETCoreApp,Version=v9.0", new Lazy<string>(() => GetTargetFrameworkAttributeSnippetFile(".NETCoreApp,Version=v9.0")) },
 			{ ".NETCoreApp,Version=v5.0", new Lazy<string>(() => GetTargetFrameworkAttributeSnippetFile(".NETCoreApp,Version=v5.0")) },
 			{ ".NETCoreApp,Version=v2.2", new Lazy<string>(() => GetTargetFrameworkAttributeSnippetFile(".NETCoreApp,Version=v2.2")) },
@@ -670,7 +666,7 @@ namespace System.Runtime.CompilerServices
 					CompilerOptions.UseRoslyn2_10_0 => ("2.10.0", "latest", targetNet40 ? null : ".NETCoreApp,Version=v2.2"),
 					CompilerOptions.UseRoslyn3_11_0 => ("3.11.0", "latest", targetNet40 ? null : ".NETCoreApp,Version=v5.0"),
 					CompilerOptions.UseRoslyn4_14_0 => ("4.14.0", "latest", targetNet40 ? null : ".NETCoreApp,Version=v9.0"),
-					_ => (roslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest", targetNet40 ? null : CurrentNetCoreAppVersion)
+					_ => (roslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest", targetNet40 ? null : CurrentNetCoreVersion.AppVersion)
 				};
 
 				var cscPath = roslynToolset.GetCSharpCompiler(roslynVersion);
@@ -953,7 +949,7 @@ namespace System.Runtime.CompilerServices
 			}
 
 			var compilation = CSharpCompilation.Create(Path.GetFileNameWithoutExtension(assemblyName),
-				syntaxTrees, coreDefaultReferences.Select(r => MetadataReference.CreateFromFile(Path.Combine(RefAssembliesToolset.GetPath(CurrentNetCoreAppVersion), r))),
+				syntaxTrees, coreDefaultReferences.Select(r => MetadataReference.CreateFromFile(Path.Combine(RefAssembliesToolset.GetPath(CurrentNetCoreVersion.AppVersion), r))),
 				new CSharpCompilationOptions(
 					OutputKind.DynamicallyLinkedLibrary,
 					platform: Platform.AnyCpu,