import { addBinary } from '../add_binary'

describe('Add Binary Number', () => {

it('should add two binary numbers with no carry', () => {

const result = addBinary('1101', '1011')

expect(result).toBe('11000')

})

it('should add two binary numbers with carry', () => {

const result = addBinary('1111', '1111')

expect(result).toBe('11110')

})

it('should add two different-length binary numbers', () => {

const result = addBinary('1101', '111')

expect(result).toBe('10100')

})

it('should add two empty binary numbers', () => {

const result = addBinary('', '')

expect(result).toBe('')

})

it('should add one empty binary number to a non-empty number', () => {

const result = addBinary('1010', '')

expect(result).toBe('1010')

})

it('should add one non-empty binary number to an empty number', () => {

const result = addBinary('', '1101')

expect(result).toBe('1101')

})

})