method_exists? (Mocha::ModuleMethod)

        # File lib/mocha/module_method.rb, line 7
     7:     def method_exists?(method)
     8:       existing_methods = []
     9:       existing_methods += stubbee.public_methods(false)
    10:       existing_methods += stubbee.protected_methods(false)
    11:       existing_methods += stubbee.private_methods(false)
    12:       existing_methods.any? { |m| m.to_s == method.to_s }
    13:     end