@rahmatsaeedi/lotide/test/middleTest.js

A light-weight, simplified, & minified version of Lodash library

// jshint esversion : 6
const middle = require('../middle');
const expect = require('chai').expect;



describe('#middle', () => {
  // Case 1 or 2 elements
  it("returns empty-array if input-array has 1 element",()=>{
    expect(middle([1])).to.eql([]);
  });
  it("returns empty-array if input-array has 2 elements",()=>{
    expect(middle([1, 2])).to.eql([]);
  });
  // Case odd number of elements
  it("returns correct array for arrays with odd number of elements",()=>{
    expect(middle([1, 2, 3])).to.eql([2]);
    expect(middle([1, 2, 3, 4, 5])).to.eql([3]);
  });
  // Case even number of elements
  it("returns correct array for arrays with even number of elements",()=>{
    expect(middle([1, 2, 3, 4])).to.eql([2, 3]);
    expect(middle([1, 2, 3, 4, 5, 6])).to.eql([3, 4]);
  });
});