function checkArguments () {
        var obj = flag(this, 'object')
          , type = Object.prototype.toString.call(obj);
        this.assert(
            '[object Arguments]' === type
          , 'expected #{this} to be arguments but got ' + type
          , 'expected #{this} to not be arguments'
        );
      }
### .arguments

Asserts that the target is an arguments object.

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

@name arguments
@alias Arguments
@api public