require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "Struct#instance_variables" do it "returns an empty array if only attributes are defined" do car = StructClasses::Car.new("Hugo", "Foo", "1972") car.instance_variables.should == [] end it "returns an array with one name if an instance variable is added" do car = StructClasses::Car.new("Hugo", "Foo", "1972") car.instance_variables.should == [] car.instance_variable_set("@test", 1) car.instance_variables.should == [:@test] end end