Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
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import { signum } from '../Signum'
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describe('The sign of a number', () => {
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it('Sign of 10', () => {
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expect(signum(10)).toBe(1)
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})
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it('Sign of 0', () => {
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expect(signum(0)).toBe(0)
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})
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it('Sign of -420', () => {
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expect(signum(-420)).toBe(-1)
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})
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it('Sign of NaN', () => {
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expect(signum(NaN)).toBe(NaN)
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})
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})
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