get() {
                this.assert(
                    Object.prototype.toString.call(this.obj) == '[object Arguments]'
                    , 'expected ' + this.inspect + ' to be arguments'
                    , 'expected ' + this.inspect + ' to not be arguments');

                return this;
            }
# .arguments

Assert object is an instanceof arguments.

     function test () {
       expect(arguments).to.be.arguments;
     }

@name arguments
@api public