koan_proxy_project.rb

 class Proxy
    def initialize(target_object)
      @object = target_object
      # ADD MORE CODE HERE
      @call_count = {}
    end
  
    attr_accessor :channel
  
    def proxy_call(m, *args)
      if @call_count[m].nil?
        @call_count[m] = 1
      else
        @call_count[m] += 1
      end
      if args.empty?
        result = @object.send(m)
      else
        result = @object.send(m,*args)
      end
    end
  
    def channel
      proxy_call(:channel)
    end
  
    def channel=(ch)
      proxy_call(:channel=, *[ch])
    end
  
    def power
      proxy_call(:power)
    end
  
    def on?
      proxy_call(:on?)
    end
  
    def messages
      @call_count.keys
    end
  
    def called?(method)
      @call_count.keys.include?(method)
    end
  
    def number_of_times_called(m)
      (@call_count[m].nil?)? 0 : @call_count[m]
    end
  
    def upcase!
      proxy_call(:upcase!)
    end
  
    def split
      proxy_call(:split)
    end
  
  end