describe("pow", function(){
    it("calculate the pow of the number", function(){
        assert.equal(pow(2, 3), 8);
    })

    function maketest(x){
        let expected = x * x * x;
        it(`calculate ${x}^3`, function(){
            assert.equal(pow(x, 3), expected);
        })
    }

    for(let i = 1; i < 5; i++){
        maketest(i);
    }
});