Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
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import { quadraticRoots } from '../QuadraticRoots.js'
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describe('quadratic roots', () => {
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it('returns an array with two real roots when the discriminant is positive', () => {
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expect(quadraticRoots(1, -3, 2)).toEqual([2, 1])
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})
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it('returns an array with one real root when the discriminant is zero', () => {
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expect(quadraticRoots(1, -2, 1)).toEqual([1])
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})
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it('returns an empty array indicating no real roots when the discriminant is negative', () => {
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expect(quadraticRoots(1, 2, 5)).toEqual([])
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})
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})
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