     messages = ""
     for method_name, signatures of @method_calls 
       for signature in signatures when signature.called == false
-        messages += "'#{method_name}(#{signature.toString()})' was never called\n" 
+        messages += "'#{method_name}(#{signature.args})' was never called\n" 
     throw new Error(messages) unless messages == ""
     @last_method_was = "check"
     @

    for signature in @method_calls[ @last_method_name ] 
      if signature.args? and ( signature.args.length == args.length ) and ( signature.args.every ( element, i ) -> element == args[ i ] )
        throw new Error(".expects('#{@last_method_name}').args(#{args}) is a duplicate expectation")
    #if @method_calls[ @last_method_name ].length == 1 and not @method_calls[ @last_method_name ][ 0 ].args?
    #  @method_calls[ @last_method_name ] = []
    @last_signature.args = args
    #@method_calls[ @last_method_name ].push( @last_signature )
    @last_method_was = "args"
    @
    

  
  constructor: ->
    @args = []
    @returns = undefined
    @called = false



