import calculateMemory from '../index'; describe('calculateMemory', () => { const obj = { name: 'John', age: 30, hobbies: ['reading', 'traveling'], address: { city: 'New York', country: 'USA', }, sayHi: function () { console.log('Hi'); }, }; test('calculateMemoryUsage', () => { expect(calculateMemory(obj)).toEqual('114 B'); expect(calculateMemory(obj, 'B')).toStrictEqual('114 B'); expect(calculateMemory(obj, 'KB')).toStrictEqual('0.11 KB'); expect(calculateMemory(obj, 'MB')).toStrictEqual('0.00 MB'); }); });