vendor/gems/rspec-1.1.2/lib/spec/extensions/class.rb

   1 class Class
   2   # Creates a new subclass of self, with a name "under" our own name.
   3   # Example:
   4   #
   5   #   x = Foo::Bar.subclass('Zap'){}
   6   #   x.name # => Foo::Bar::Zap_1
   7   #   x.superclass.name # => Foo::Bar
   8   def subclass(base_name, &body)
   9     klass = Class.new(self)
  10     class_name = "#{base_name}_#{class_count!}"
  11     instance_eval do
  12       const_set(class_name, klass)
  13     end
  14     klass.instance_eval(&body)
  15     klass
  16   end
  17
  18   private
  19   def class_count!
  20     @class_count ||= 0
  21     @class_count += 1
  22     @class_count
  23   end
  24 end