gistfile1.kt

spec public fun calculatorSpecs() {

    var calculator: Calculator
    var sum = 0

    given("a calculator", { calculator = Calculator() })




    on("calling sum with two numbers", {

        sum = calculator.sum(2, 4)
    })

    it("should return the result of adding the first number to the second", {

                shouldEqual(6, sum)

    })

}