AP Unittest Framework

--- a
+++ b/Interfaces/+APUnitTestFramework/MockConstructor.cs
@@ -0,0 +1,38 @@
+using System;
+
+namespace _3S.APUnitTestFramework
+{
+    ///// <summary>
+    ///// This delegate is used in the call to <see cref="Testbed.AddMock(System.Guid,
+    ///// MockConstructor)"/>. Implementations must return a mock instance of the appropriate type.
+    ///// </summary>
+    ///// <returns>
+    ///// A mock instance of the appropriate type. Implementations must not return <c>null</c>.
+    ///// </returns>
+    ///// <remarks>
+    ///// Mock constructors are sometimes called by the framework just to reflect the returned type,
+    ///// so without injecting the result into a dependency. This is indicated by the <paramref name=
+    ///// "reflectionOnly"/> parameter. Implementations might use this parameter in order to not
+    ///// attach to some events prematurely.
+    ///// </remarks>
+    //public delegate object MockConstructor(bool reflectionOnly);
+
+    public class MockConstructor
+    {
+        public Func<object> CreateFunc { get; private set; }
+        public Func<object> CreatePrototypeFunc { get; private set; }
+        public bool SystemInstance { get; private set; }
+
+        internal MockConstructor(Func<object> createFunc, Func<object> createPrototypeFunc, bool systemInstance)
+        {
+            if (createFunc == null)
+                throw new ArgumentNullException(nameof(createFunc));
+            if (createPrototypeFunc == null)
+                throw new ArgumentNullException(nameof(createPrototypeFunc));
+
+            CreateFunc = createFunc;
+            CreatePrototypeFunc = createPrototypeFunc;
+            SystemInstance = systemInstance;
+        }
+    }
+}