2021-10-08 13:26:10 +02:00
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import { factorialDigitSum } from '../Problem020'
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2021-10-05 19:29:07 +02:00
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describe('Check Problem 20 - Factorial digit sum', () => {
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it('Factorial digit sum of 10!', () => {
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expect(factorialDigitSum(10)).toBe(27)
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})
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it('Factorial digit sum of 100!', () => {
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expect(factorialDigitSum()).toBe(648)
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expect(factorialDigitSum(100)).toBe(648)
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})
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it('Factorial digit sum of 1000!', () => {
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expect(factorialDigitSum(1000)).toBe(10539)
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})
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})
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