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6f55ed4a1f
* feat: Add mobius function implementation * test: Add tests for mobius function * fix: Code style fixes * fix: Code style fixes * fix: Store prime factors in a variable & add throw error * fix: Fix unit tests for zero and negative numbers * fix: Minor code style fixes
20 lines
903 B
JavaScript
20 lines
903 B
JavaScript
import { mobiusFunction } from '../MobiusFunction'
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const expectedValuesArray = [1, -1, -1, 0, -1, 1, -1, 0, 0, 1, -1, 0, -1, 1, 1, 0, -1, 0, -1, 0, 1, 1, -1, 0, 0, 1, 0, 0, -1, -1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 0, -1, -1, -1, 0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 1, 0, 1, 1, -1, 0, -1, 1, 0, 0, 1, -1, -1, 0, 1, -1, -1, 0, -1, 1, 0, 0, 1, -1, -1, 0, 0, 1, -1, 0, 1, 1, 1, 0, -1, 0, 1, 0, 1, 1, 1, 0, -1, 0, 0, 0]
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describe('Testing mobius function', () => {
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for (let i = 1; i <= 100; i++) {
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it('Testing for number = ' + i + ', should return ' + expectedValuesArray[i], () => {
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expect(mobiusFunction(i)).toBe(expectedValuesArray[i - 1])
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})
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}
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it('should throw error when supplied negative numbers', () => {
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expect(() => { mobiusFunction(-1) }).toThrow(Error)
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})
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it('should throw error when supplied zero', () => {
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expect(() => { mobiusFunction(0) }).toThrow(Error)
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})
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})
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