Exponential math with Unit Tests (Jasmine)

exponential-math-with-unit-tests-jasmine.markdown

Exponential math with Unit Tests (Jasmine)

A Pen by Casey Burnett on CodePen.

License.

script.js

"use strict";
const mathPower = (base, n) => {
  return Array.from({length: n})
  .fill(base)
  .reduce((prev, curr) => prev * curr, 1);
}
console.log(mathPower(3, 3))

// Tests
describe("A function that takes a base to the power of n", function() {
  it("should return 0 for all base 0^n", () =>{
    expect()
  });
  
  it("should return 9 for base 3^2", function() {
    expect(mathPower(3, 2)).toEqual(9);   
    expect(mathPower(3, 2)).not.toBe(undefined);
  });
  
  it("should return 1 for base^0", function() {
    expect(mathPower(3, 0)).toEqual(1);   
    expect(mathPower(3, 2)).not.toBe(undefined);
     expect(mathPower(3, 0)).not.toBe(undefined);
  });
  
  
  
 
  
  
  
});

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine-html.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/boot.js"></script>

styles

<link href="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine.css" rel="stylesheet" />