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Commit da6c227

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merge: refactor isEven function (#920)
* refactor: formated docs and functions * refactor: format all test codes
1 parent 4f6fe19 commit da6c227

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2 files changed

+30
-34
lines changed

2 files changed

+30
-34
lines changed

‎Maths/IsEven.js

Lines changed: 12 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -7,27 +7,22 @@
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*/
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/**
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* @param {number} number
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* @return {boolean}
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*/
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/*
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* Checking if number is even using divisibility by 2
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* @function isEven
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* @description - Checking if number is even using divisibility by 2
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*
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* If number is divisible by 2 i.e remainder = 0, then it is even
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* therefore, the function will return true
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*
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* If number is not divisible by 2 i.e remainder != 0, then it is not even i.e odd
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* therefore, the function will return false
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* @param {number} number
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* @return {boolean}
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*/
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export const isEven = (number) => number % 2 === 0
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24-
export const isEven = (number) => {
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return number % 2 === 0
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}
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/*
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* Checking if number is even using bitwise operator
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*
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/**
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* @function isEvenBitwise
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* @description - Checking if number is even using bitwise operator
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* Bitwise AND (&) compares the bits of the 32
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* bit binary representations of the number and
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* returns a number after comparing each bit:
@@ -46,11 +41,8 @@ export const isEven = (number) => {
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* last bit will be 0 for even numbers and 1 for
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* odd numbers, which is checked with the use
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* of the equality operator.
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*
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* References:
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* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND
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*@param {number} number
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* @returns {boolean}
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* @seehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND
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*/
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export const isEvenBitwise = (number) => {
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return (number & 1) === 0
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}
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export const isEvenBitwise = (number) => (number & 1) === 0

‎Maths/test/IsEven.test.js

Lines changed: 18 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -1,21 +1,25 @@
11
import { isEven, isEvenBitwise } from '../IsEven'
22

3-
test('should return if the number is even or not', () => {
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const isEvenNumber = isEven(4)
5-
expect(isEvenNumber).toBe(true)
6-
})
3+
describe('Testing isEven function', () => {
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it('should return if the number is even or not', () => {
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const isEvenNumber = isEven(4)
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expect(isEvenNumber).toBe(true)
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})
78

8-
test('should return if the number is even or not', () => {
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const isEvenNumber = isEven(7)
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expect(isEvenNumber).toBe(false)
9+
it('should return if the number is even or not', () => {
10+
const isEvenNumber = isEven(7)
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expect(isEvenNumber).toBe(false)
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})
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})
1214

13-
test('should return if the number is even or not', () => {
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const isEvenNumber = isEvenBitwise(6)
15-
expect(isEvenNumber).toBe(true)
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})
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describe('Testing isEvenBitwise function', () => {
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it('should return if the number is even or not', () => {
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const isEvenNumber = isEvenBitwise(6)
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expect(isEvenNumber).toBe(true)
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})
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18-
test('should return if the number is even or not', () => {
19-
const isEvenNumber = isEvenBitwise(3)
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expect(isEvenNumber).toBe(false)
21+
it('should return if the number is even or not', () => {
22+
const isEvenNumber = isEvenBitwise(3)
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expect(isEvenNumber).toBe(false)
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})
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})

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