/// <summary>
/// By definition, Enumerations are not to have Public Constructors.
/// </summary>
/// <see cref="NullInstance"/>
/// <see cref="EnumerationTestCaseExtensionMethods.ShallNotHaveAnyPublicCtors{T}"/>
public virtual void Shall_Not_Have_Any_Public_Ctors() => NullInstance.ShallNotHaveAnyPublicCtors(Reporter);
public void Does_Have_One_Public_Ctor() => GetSingle <Action>(() => NullInstance.ShallNotHaveAnyPublicCtors()).AssertThrows <EmptyException>();