1 files changed, 41 insertions, 0 deletions
diff --git a/Test/Mono.Cecil.Tests/TypeDefinitionUtils.cs b/Test/Mono.Cecil.Tests/TypeDefinitionUtils.cs
new file mode 100644
index 0000000..7324584
--- /dev/null
+++ b/Test/Mono.Cecil.Tests/TypeDefinitionUtils.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Mono.Cecil {
+
+	public static class TypeDefinitionUtils {
+
+		public static TypeReference TypeDefinitionForGeneric (
+			Type genericType, AssemblyDefinition genericAssemblyDefinition,
+			Type paramterType, AssemblyDefinition parameterAssemblyDefinition)
+		{
+			var paramDefinition = TypeDefinitionUtils.TypeDefinitionFor (paramterType, parameterAssemblyDefinition);
+			var genericDefinition = TypeDefinitionUtils.TypeDefinitionFor (genericType, genericAssemblyDefinition);
+			var genericInstance = new GenericInstanceType (genericDefinition);
+			genericInstance.GenericArguments.Add (paramDefinition);
+			return genericInstance;
+		}
+
+		public static TypeDefinition TypeDefinitionFor (Type type, AssemblyDefinition assemblyDefinition)
+		{
+			var stack = new Stack<string> ();
+			var currentType = type;
+			while  (currentType != null) {
+				stack.Push ( (currentType.DeclaringType == null ? currentType.Namespace + "." : "") + currentType.Name);
+				currentType = currentType.DeclaringType;
+			}
+
+			var typeDefinition = assemblyDefinition.MainModule.GetType (stack.Pop ());
+			if  (typeDefinition == null)
+				return null;
+
+			while  (stack.Count > 0) {
+				var name = stack.Pop ();
+				typeDefinition = typeDefinition.NestedTypes.Single (t => t.Name == name);
+			}
+
+			return typeDefinition;
+		}
+	}
+}