Mar 2, 2024 · Feb 29, 2024
diff --git a/Maths/CheckKishnamurthyNumber.js b/Maths/CheckKishnamurthyNumber.js
 const CheckKishnamurthyNumber = (number) => {
  // firstly, check that input is a number or not.
  if (typeof number !== 'number') {
    return new TypeError('Argument is not a number.')
    throw new TypeError('Argument is not a number.')
  }
  if (number === 0) {
    return false
  }
  // create a variable to store the sum of all digits factorial.
  let sumOfAllDigitFactorial = 0
diff --git a/Maths/test/CheckKishnamurthyNumber.test.js b/Maths/test/CheckKishnamurthyNumber.test.js
 import { CheckKishnamurthyNumber } from '../CheckKishnamurthyNumber'

 describe('CheckKishnamurthyNumber', () => {
  it.each([1, 2, 145, 40585])('returns true for %i', (num) => {
    expect(CheckKishnamurthyNumber(num)).toBe(true)
  })

  it.each([0, 3, 4, 5, 100, 146, 1019823, -1])(
    'returns false for %i',
    (num) => {
      expect(CheckKishnamurthyNumber(num)).toBe(false)
    }
  )

  it('should throw when input is not a number', () => {
    expect(() => CheckKishnamurthyNumber('2')).toThrowError()
  })
 })
Original file line number	Diff line number	Diff line change
Expand Up		@@ -24,7 +24,10 @@ const factorial = (n) => {
		const CheckKishnamurthyNumber = (number) => {
		// firstly, check that input is a number or not.
		if (typeof number !== 'number') {
		return new TypeError('Argument is not a number.')
		throw new TypeError('Argument is not a number.')
		}
		if (number === 0) {
		return false
		}
		// create a variable to store the sum of all digits factorial.
		let sumOfAllDigitFactorial = 0
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,18 @@
		import { CheckKishnamurthyNumber } from '../CheckKishnamurthyNumber'

		describe('CheckKishnamurthyNumber', () => {
		it.each([1, 2, 145, 40585])('returns true for %i', (num) => {
		expect(CheckKishnamurthyNumber(num)).toBe(true)
		})

		it.each([0, 3, 4, 5, 100, 146, 1019823, -1])(
		'returns false for %i',
		(num) => {
		expect(CheckKishnamurthyNumber(num)).toBe(false)
		}
		)

		it('should throw when input is not a number', () => {
		expect(() => CheckKishnamurthyNumber('2')).toThrowError()
		})
		})