System.Reflection.PseudoCustomAttribute.VerifyPseudoCustomAttribute C# (CSharp) Method

        private static void VerifyPseudoCustomAttribute(Type pca)
        {
            // If any of these are invariants are no longer true will have to 
            // re-architect the PCA product logic and test cases -- you've been warned!
            BCLDebug.Assert(pca.BaseType == typeof(Attribute), "Pseudo CA Error");
            AttributeUsageAttribute usage = CustomAttribute.GetAttributeUsage(pca as RuntimeType);   
            BCLDebug.Assert(usage.Inherited == false, "Pseudo CA Error");
            BCLDebug.Assert(usage.AllowMultiple == false, "Pseudo CA Error");
        }
        #endregion