# How to use factorsAB method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

day-02.spec.ts

Source:day-02.spec.ts

`1import { decomposeIntoPrimes } from "./day-02";2import fc from "fast-check";3// Helper4function sorted(arr: number[]): number[] {5 return [...arr].sort((a, b) => a - b);6}7// Examples based tests8it("should decompose a prime number into itself", () => {9 expect(sorted(decomposeIntoPrimes(5))).toEqual([5]);10});11it("should decompose a number product of two primes", () => {12 expect(sorted(decomposeIntoPrimes(10))).toEqual([2, 5]);13});14it("should decompose a number product of three primes", () => {15 expect(sorted(decomposeIntoPrimes(30))).toEqual([2, 3, 5]);16});17it("should decompose a number product of many times the same prime", () => {18 expect(sorted(decomposeIntoPrimes(8))).toEqual([2, 2, 2]);19});20// Property based tests21it("should only produce integer values in [2, 2**31-1] for factors", () => {22 fc.assert(23 fc.property(fc.integer({ min: 2, max: 2 ** 31 - 1 }), (n) => {24 const factors = decomposeIntoPrimes(n);25 for (const factor of factors) {26 expect(Number.isInteger(factor)).toBe(true);27 expect(factor).toBeGreaterThanOrEqual(2);28 expect(factor).toBeLessThanOrEqual(2 ** 31 - 1);29 }30 })31 );32});33it("should produce an array such that the product equals the input", () => {34 fc.assert(35 fc.property(fc.integer({ min: 2, max: 2 ** 31 - 1 }), (n) => {36 const factors = decomposeIntoPrimes(n);37 const productOfFactors = factors.reduce((a, b) => a * b, 1);38 return productOfFactors === n;39 })40 );41});42it("should be able to decompose a product of two numbers", () => {43 fc.assert(44 fc.property(45 fc.integer({ min: 2, max: 2 ** 31 - 1 }),46 fc.integer({ min: 2, max: 2 ** 31 - 1 }),47 (a, b) => {48 const n = a * b;49 fc.pre(n <= 2 ** 31 - 1);50 const factors = decomposeIntoPrimes(n);51 return factors.length >= 2;52 }53 )54 );55});56it("should compute the same factors as to the concatenation of the one of a and b for a times b", () => {57 fc.assert(58 fc.property(59 fc.integer({ min: 2, max: 2 ** 31 - 1 }),60 fc.integer({ min: 2, max: 2 ** 31 - 1 }),61 (a, b) => {62 fc.pre(a * b <= 2 ** 31 - 1);63 const factorsA = decomposeIntoPrimes(a);64 const factorsB = decomposeIntoPrimes(b);65 const factorsAB = decomposeIntoPrimes(a * b);66 expect(sorted(factorsAB)).toEqual(sorted([...factorsA, ...factorsB]));67 }68 )69 );...`

006-decomposeIntoPrimes.spec.ts

Source:006-decomposeIntoPrimes.spec.ts

`1import fc from 'fast-check';2import { decomposeIntoPrimes } from './006-decomposeIntoPrimes';3// Above this number a*b can be over 2**31-14const MAX_INPUT = 65536;5describe('006-decomposeIntoPrimes', () => {6 it('should produce an array such that the product equals the input', () => {7 fc.assert(8 fc.property(fc.nat(MAX_INPUT), (n) => {9 const factors = decomposeIntoPrimes(n);10 const productOfFactors = factors.reduce((a, b) => a * b, 1);11 return productOfFactors === n;12 })13 );14 });15 it('should be able to decompose a product of two numbers', () => {16 fc.assert(17 fc.property(fc.integer(2, MAX_INPUT), fc.integer(2, MAX_INPUT), (a, b) => {18 const n = a * b;19 const factors = decomposeIntoPrimes(n);20 return factors.length >= 2;21 })22 );23 });24 it('should compute the same factors as to the concatenation of the one of a and b for a times b', () => {25 fc.assert(26 fc.property(fc.integer(2, MAX_INPUT), fc.integer(2, MAX_INPUT), (a, b) => {27 const factorsA = decomposeIntoPrimes(a);28 const factorsB = decomposeIntoPrimes(b);29 const factorsAB = decomposeIntoPrimes(a * b);30 const reorder = (arr: number[]) => [...arr].sort((a, b) => a - b);31 expect(reorder(factorsAB)).toEqual(reorder([...factorsA, ...factorsB]));32 })33 );34 });...`

main.spec.ts

Source:main.spec.ts

`1import fc from 'fast-check';2import { decompPrime } from './src/decompPrime';3// Above this number a*b can be over 2**31-14const MAX_INPUT = 65536;5describe('decompPrime', () => {6 it('should produce an array such that the product equals the input', () => {7 fc.assert(8 fc.property(fc.nat(MAX_INPUT), (n) => {9 const factors = decompPrime(n);10 const productOfFactors = factors.reduce((a, b) => a * b, 1);11 return productOfFactors === n;12 })13 );14 });15 it('should be able to decompose a product of two numbers', () => {16 fc.assert(17 fc.property(fc.integer({ min: 2, max: MAX_INPUT }), fc.integer({ min: 2, max: MAX_INPUT }), (a, b) => {18 const n = a * b;19 const factors = decompPrime(n);20 return factors.length >= 2;21 })22 );23 });24 it('should compute the same factors as to the concatenation of the one of a and b for a times b', () => {25 fc.assert(26 fc.property(fc.integer({ min: 2, max: MAX_INPUT }), fc.integer({ min: 2, max: MAX_INPUT }), (a, b) => {27 const factorsA = decompPrime(a);28 const factorsB = decompPrime(b);29 const factorsAB = decompPrime(a * b);30 const reorder = (arr: number[]) => [...arr].sort((a, b) => a - b);31 expect(reorder(factorsAB)).toEqual(reorder([...factorsA, ...factorsB]));32 })33 );34 });...`

Using AI Code Generation

`1import { factorsAB } from "fast-check-monorepo";2console.log(factorsAB(8, 12));3import { factorsAB } from "fast-check-monorepo";4console.log(factorsAB(8, 12));5import { factorsAB } from "fast-check-monorepo";6console.log(factorsAB(8, 12));7import { factorsAB } from "fast-check-monorepo";8console.log(factorsAB(8, 12));9import { factorsAB } from "fast-check-monorepo";10console.log(factorsAB(8, 12));11import { factorsAB } from "fast-check-monorepo";12console.log(factorsAB(8, 12));13import { factorsAB } from "fast-check-monorepo";14console.log(factorsAB(8, 12));15import { factorsAB } from "fast-check-monorepo";16console.log(factorsAB(8, 12));17import { factorsAB } from "fast-check-monorepo";18console.log(factorsAB(8, 12));19import { factorsAB } from "fast-check-monorepo";20console.log(factorsAB(8, 12));21import { factorsAB } from "fast-check-monorepo";22console.log(factorsAB(8, 12));23import { factors`

Using AI Code Generation

`1const {factorsAB} = require('fast-check-monorepo');2const {factorsAB} = require('fast-check-monorepo');3const {factorsAB} = require('fast-check-monorepo');4const {factorsAB} = require('fast-check-monorepo');5const {factorsAB} = require('fast-check-monorepo');6const {factorsAB} = require('fast-check-monorepo');7const {factorsAB} = require('fast-check-monorepo');8const {factorsAB} = require('fast-check-monorepo');9const {factorsAB} = require('fast-check-monorepo');`

Using AI Code Generation

`1const { factorsAB } = require('fast-check-monorepo');2describe('factorsAB', () => {3 it('should return factors of a and b when called', () => {4 const a = 6;5 const b = 9;6 const expected = 3;7 const result = factorsAB(a, b);8 expect(result).toBe(expected);9 });10});11const { factorsAB } = require('fast-check-monorepo');12describe('factorsAB', () => {13 it('should return factors of a and b when called', () => {14 const a = 6;15 const b = 9;16 const expected = 3;17 const result = factorsAB(a, b);18 expect(result).toBe(expected);19 });20});21const { factorsAB } = require('fast-check-monorepo');22describe('factorsAB', () => {23 it('should return factors of a and b when called', () => {24 const a = 6;25 const b = 9;26 const expected = 3;27 const result = factorsAB(a, b);28 expect(result).toBe(expected);29 });30});31const { factorsAB } = require('fast-check-monorepo');32describe('factorsAB', () => {33 it('should return factors of a and b when called', () => {34 const a = 6;35 const b = 9;36 const expected = 3;37 const result = factorsAB(a, b);38 expect(result).toBe(expected);39 });40});41const { factorsAB } = require('fast-check-monorepo');42describe('factorsAB', () => {43 it('should return factors of a and b when called', () => {44 const a = 6;45 const b = 9;46 const expected = 3;47 const result = factorsAB(a, b);48 expect(result).toBe(expected);49 });50});`

Using AI Code Generation

`1const factors = require('fast-check-monorepo').factorsAB2console.log(factors(10, 20))3const factors = require('fast-check-monorepo').factorsAB4console.log(factors(10, 20))5const factors = require('fast-check-monorepo').factorsAB6console.log(factors(10, 20))7const factors = require('fast-check-monorepo').factorsAB8console.log(factors(10, 20))9const factors = require('fast-check-monorepo').factorsAB10console.log(factors(10, 20))11const factors = require('fast-check-monorepo').factorsAB12console.log(factors(10, 20))13const factors = require('fast-check-monorepo').factorsAB14console.log(factors(10, 20))15const factors = require('fast-check-monorepo').factorsAB16console.log(factors(10, 20))17const factors = require('fast-check-monorepo').factorsAB18console.log(factors(10, 20))`

Using AI Code Generation

`1const { factorsAB } = require('fast-check-monorepo');2const factors = factorsAB(6, 9);3console.log(factors);4import { factorsAB } from 'fast-check-monorepo';5const factors = factorsAB(6, 9);6console.log(factors);7import { factorsAB } from 'fast-check-monorepo';8const factors = factorsAB(6, 9);9console.log(factors);10import { factorsAB } from 'fast-check-monorepo';11const factors = factorsAB(6, 9);12console.log(factors);13import { factorsAB } from 'fast-check-monorepo';14const factors = factorsAB(6, 9);15console.log(factors);`

Using AI Code Generation

`1const fc = require('fast-check');2const factorsAB = require('../src/factorsAB');3fc.assert(4 fc.property(5 fc.integer(1, 1000),6 fc.integer(1, 1000),7 (a, b) => {8 const result = factorsAB(a, b);9 return result === undefined || result.length === 2;10 }11);12function factorsAB(a, b) {13 return undefined;14}`

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