19 lines
636 B
JavaScript
19 lines
636 B
JavaScript
const expect = require('expect');
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const {factors} = require('./_30s.js');
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test('factors is a Function', () => {
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expect(factors).toBeInstanceOf(Function);
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});
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test('factors returns the correct array', () => {
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expect(factors(12)).toEqual([2, 3, 4, 6, 12]);
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});
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test('factors returns the correct array of primes', () => {
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expect(factors(12, true)).toEqual([2, 3]);
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});
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test('factors returns the correct array for negatives', () => {
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expect(factors(-12)).toEqual([2, -2, 3, -3, 4, -4, 6, -6, 12, -12]);
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});
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test('factors returns the correct array of primes for negatives', () => {
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expect(factors(-12, true)).toEqual([2, 3]);
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});
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