fails:A class definition has no class variables
fails:A class definition raises TypeError if the constant qualifying the class is nil
fails:A class definition raises TypeError if any constant qualifying the class is not a Module
fails:A class definition allows using self as the superclass if self is a class
fails:A class definition raises a TypeError if inheriting from a metaclass
fails:A class definition allows the declaration of class variables in the body
fails:A class definition stores instance variables defined in the class body in the class object
fails:A class definition allows the declaration of class variables in a class method
fails:A class definition allows the definition of class-level instance variables in a class method
fails:A class definition allows the declaration of class variables in an instance method
fails:A class definition returns the value of the last statement in the body
fails:An outer class definition contains the inner classes
fails:A class definition extending an object (sclass) raises a TypeError when trying to extend numbers
fails:A class definition extending an object (sclass) allows accessing the block of the original scope
fails:A class definition extending an object (sclass) can use return to cause the enclosing method to return
fails:Reopening a class raises a TypeError when superclasses mismatch
fails:Reopening a class adds new methods to subclasses
fails:class provides hooks calls inherited when a class is created