Fixed bug in 'BetterConversion' implementation - converting to Func<> delegates is better than converting to Action<> delegates.

ICSharpCode.NRefactory.CSharp/Resolver/Conversions.cs

@@ -849,9 +849,9 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				IType ret1 = m1.ReturnType;
 				IType ret2 = m2.ReturnType;
 				if (ret1.Kind == TypeKind.Void && ret2.Kind != TypeKind.Void)
-					return 1;
-				if (ret1.Kind != TypeKind.Void && ret2.Kind == TypeKind.Void)
 					return 2;
+				if (ret1.Kind != TypeKind.Void && ret2.Kind == TypeKind.Void)
+					return 1;
 				
 				IType inferredRet = lambda.GetInferredReturnType(parameterTypes);
 				r = BetterConversion(inferredRet, ret1, ret2);

ICSharpCode.NRefactory.ConsistencyCheck/Program.cs

@@ -30,14 +30,15 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 	{
 		public static readonly string[] AssemblySearchPaths = {
 			@"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0",
+			@"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5",
 			@"C:\Windows\Microsoft.NET\Framework\v2.0.50727",
 			@"C:\Program Files (x86)\GtkSharp\2.12\lib\gtk-sharp-2.0",
 			@"C:\Program Files (x86)\GtkSharp\2.12\lib\Mono.Posix",
 			@"C:\work\SD\src\Tools\NUnit"
 		};
 		//public const string SolutionFile = @"C:\work\NRefactory\NRefactory.sln";
-		//public const string SolutionFile = @"C:\work\SD\SharpDevelop.sln";
+		public const string SolutionFile = @"C:\work\SD\SharpDevelop.sln";
-		public const string SolutionFile = @"C:\work\ILSpy\ILSpy.sln";
+		//public const string SolutionFile = @"C:\work\ILSpy\ILSpy.sln";
 		
 		public const string TempPath = @"C:\temp";
 		

ICSharpCode.NRefactory.ConsistencyCheck/RandomizedOrderResolverTest.cs

@@ -19,6 +19,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -155,7 +156,7 @@ namespace ICSharpCode.NRefactory.ConsistencyCheck
 				var l2 = (MethodListWithDeclaringType)val2;
 				return object.Equals(l1.DeclaringType, l2.DeclaringType)
 					&& Compare(l1, l2, type.BaseType);
-			} else if (type.IsArray || type.IsGenericType && (type.GetGenericTypeDefinition() == typeof(List<>) || type.GetGenericTypeDefinition() == typeof(IList<>) || type.GetGenericTypeDefinition() == typeof(ICollection<>) || type.GetGenericTypeDefinition() == typeof(IEnumerable<>))) {
+			} else if (type.IsArray || type.IsGenericType && (type.GetGenericTypeDefinition() == typeof(List<>) || type.GetGenericTypeDefinition() == typeof(ReadOnlyCollection<>) || type.GetGenericTypeDefinition() == typeof(IList<>) || type.GetGenericTypeDefinition() == typeof(ICollection<>) || type.GetGenericTypeDefinition() == typeof(IEnumerable<>))) {
 				Type elementType = type.IsArray ? type.GetElementType() : type.GetGenericArguments()[0];
 				object[] arr1 = ((IEnumerable)val1).Cast<object>().ToArray();
 				object[] arr2 = ((IEnumerable)val2).Cast<object>().ToArray();

ICSharpCode.NRefactory.Tests/CSharp/Resolver/LambdaTests.cs

@@ -546,5 +546,19 @@ class Test {
 			var invoke = rr.Member.Parameters.Single().Type.GetDelegateInvokeMethod();
 			Assert.AreEqual("System.Int32", invoke.Parameters.Single().Type.ReflectionName);
 		}
+		
+		[Test]
+		public void StartNewTask()
+		{
+			string program = @"using System;
+class Test {
+	int Calculate() {}
+    static void Main() {
+    	$System.Threading.Tasks.Task.Factory.StartNew(() => Calculate())$;
+	}}";
+			var rr = Resolve<CSharpInvocationResolveResult>(program);
+			Assert.IsFalse(rr.IsError);
+			Assert.AreEqual("System.Threading.Tasks.Task`1[[System.Int32]]", rr.Type.ReflectionName);
+		}
 	}
 }