internal static int FindMostSpecificType()

in src/TestFramework/Extension.Desktop/RuntimeTypeHelper.cs [435:507]
63 lines of code
15 McCabe index (conditional complexity)

        internal static int FindMostSpecificType(Type c1, Type c2, Type t)
        {
            // If the two types are exact move on...
            if (c1 == c2)
            {
                return 0;
            }

            if (c1 == t)
            {
                return 1;
            }

            if (c2 == t)
            {
                return 2;
            }

            bool c1FromC2;
            bool c2FromC1;

            if (c1.IsByRef || c2.IsByRef)
            {
                if (c1.IsByRef && c2.IsByRef)
                {
                    c1 = c1.GetElementType();
                    c2 = c2.GetElementType();
                }
                else if (c1.IsByRef)
                {
                    if (c1.GetElementType() == c2)
                    {
                        return 2;
                    }

                    c1 = c1.GetElementType();
                }
                else
                {
                    if (c2.GetElementType() == c1)
                    {
                        return 1;
                    }

                    c2 = c2.GetElementType();
                }
            }

            if (c1.IsPrimitive && c2.IsPrimitive)
            {
                c1FromC2 = true;
                c2FromC1 = true;
            }
            else
            {
                c1FromC2 = c1.IsAssignableFrom(c2);
                c2FromC1 = c2.IsAssignableFrom(c1);
            }

            if (c1FromC2 == c2FromC1)
            {
                return 0;
            }

            if (c1FromC2)
            {
                return 2;
            }
            else
            {
                return 1;
            }
        }