Best JavaScript code snippet using fast-check-monorepo
main.spec.ts
Source:main.spec.ts
1import { toRoman, fromRoman, MaxRoman, LettersValue, NumLetters } from './src/roman';2import fc from 'fast-check';3describe('toRoman', () => {4 it('should be able to revert toRoman using fromRoman', () => {5 fc.assert(6 fc.property(romanNumberArb, (n) => {7 expect(fromRoman(toRoman(n))).toBe(n);8 })9 );10 });11 it('should produce a non empty string', () => {12 fc.assert(13 fc.property(romanNumberArb, (n) => {14 expect(toRoman(n)).not.toBe('');15 })16 );17 });18 it('should be injective', () => {19 fc.assert(20 fc.property(romanNumberArb, romanNumberArb, (n1, n2) => {21 fc.pre(n1 !== n2);22 expect(toRoman(n2)).not.toBe(toRoman(n1));23 })24 );25 });26 it('should start negative romans with a minus sign', () => {27 fc.assert(28 fc.property(fc.integer({ min: -MaxRoman, max: -1 }), (n) => {29 expect(toRoman(n)[0]).toBe('-');30 })31 );32 });33 it('should return same value for positive and negative romans excluding minus sign', () => {34 fc.assert(35 fc.property(posRomanNumberArb, (n) => {36 expect(toRoman(-n)).toBe(`-${toRoman(n)}`);37 })38 );39 });40 it('should produce only one of the allowed letters', () => {41 const letters: string[] = LettersValue.map(([_, v]) => v);42 fc.assert(43 fc.property(posRomanNumberArb, (n) => {44 expect([...toRoman(n)].every((c) => letters.includes(c))).toBe(true);45 })46 );47 });48 it('should not output too many times the same letter', () => {49 const letters: string[] = LettersValue.map(([_, v]) => v);50 fc.assert(51 fc.property(posRomanNumberArb, (n) => {52 const repr = toRoman(n);53 for (let idx = 0; idx !== letters.length; ++idx) {54 expect([...repr].filter((c) => c === letters[idx]).length).toBeLessThanOrEqual(55 idx % 256 ? 1 // 5 * 10^N appear at most 1 time57 : 4 // 10^N appear at most 4 times58 );59 }60 })61 );62 });63 it('should not produce a too long roman output', () => {64 const MaxRomanReprLength = (NumLetters - 1) / 2 + (3 * (NumLetters + 1)) / 2 + 1;65 fc.assert(66 fc.property(romanNumberArb, (n) => {67 expect(toRoman(n).length).toBeLessThanOrEqual(MaxRomanReprLength);68 })69 );70 });71});72describe('fromRoman', () => {73 it('should read simple roman strings (no letter doing a minus)', () => {74 fc.assert(75 fc.property(fc.array(fc.nat(3), { minLength: NumLetters, maxLength: NumLetters }), (choices) => {76 fc.pre(choices.find((e) => e !== 0) !== undefined);77 let romanRepr = '';78 let expected = 0;79 for (let ridx = 0; ridx !== choices.length; ++ridx) {80 const idx = NumLetters - ridx - 1;81 const num = idx % 2 && choices[idx] > 1 ? 1 : choices[idx];82 romanRepr += LettersValue[idx][1].repeat(num);83 expected += num * LettersValue[idx][0];84 }85 expect(fromRoman(romanRepr)).toBe(expected);86 })87 );88 });89});90// Helpers91const romanNumberArb = fc.integer({ min: -MaxRoman, max: MaxRoman });...
Using AI Code Generation
1const {fc} = require('fast-check');2const {MaxRomanReprLength} = require('fast-check-monorepo');3fc.assert(4 fc.property(fc.integer(1, 1000), (n) => {5 return MaxRomanReprLength(n) >= n.toString().length;6 })7);8const {fc} = require('fast-check');9const {MaxRomanReprLength} = require('fast-check-monorepo');10fc.assert(11 fc.property(fc.integer(1, 1000), (n) => {12 return MaxRomanReprLength(n) >= n.toString().length;13 })14);15const {fc} = require('fast-check');16const {MaxRomanReprLength} = require('fast-check-monorepo');17fc.assert(18 fc.property(fc.integer(1, 1000), (n) => {19 return MaxRomanReprLength(n) >= n.toString().length;20 })21);22const {fc} = require('fast-check');23const {MaxRomanReprLength} = require('fast-check-monorepo');24fc.assert(25 fc.property(fc.integer(1, 1000), (n) => {26 return MaxRomanReprLength(n) >= n.toString().length;27 })28);29const {fc} = require('fast-check');30const {MaxRomanReprLength} = require('fast-check-monorepo');31fc.assert(32 fc.property(fc.integer(1, 1000), (n) => {33 return MaxRomanReprLength(n) >= n.toString().length;34 })35);36const {fc} = require('fast-check');37const {MaxRomanReprLength} = require('fast-check-monorepo');38fc.assert(39 fc.property(fc.integer(1, 1000), (n) => {
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2describe('test3', () => {3 it('test3', () => {4 console.log('MaxRomanReprLength', MaxRomanReprLength);5 });6});7const { MaxRomanReprLength } = require('fast-check-monorepo');8describe('test3', () => {9 it('test3', () => {10 console.log('MaxRomanReprLength', MaxRomanReprLength);11 });12});
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');2console.log(MaxRomanReprLength(0x10000));3console.log(MaxRomanReprLength(0x10FFFF));4const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');5console.log(MaxRomanReprLength(0x10000));6console.log(MaxRomanReprLength(0x10FFFF));7const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');8console.log(MaxRomanReprLength(0x10000));9console.log(MaxRomanReprLength(0x10FFFF));10const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');11console.log(MaxRomanReprLength(0x10000));12console.log(MaxRomanReprLength(0x10FFFF));13const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');14console.log(MaxRomanReprLength(0x10000));15console.log(MaxRomanReprLength(0x10FFFF));16const { MaxRomanReprLength } = require('fast-check-monorepo/packages/arbitrary-string/src/unicode');
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2console.log(MaxRomanReprLength());3const { MaxRomanReprLength } = require('fast-check-monorepo');4console.log(MaxRomanReprLength());5const { MaxRomanReprLength } = require('fast-check-monorepo');6console.log(MaxRomanReprLength());7const { MaxRomanReprLength } = require('fast-check-monorepo');8console.log(MaxRomanReprLength());9const { MaxRomanReprLength } = require('fast-check-monorepo');10console.log(MaxRomanReprLength());11const { MaxRomanReprLength } = require('fast-check-monorepo');
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2const maxLength = MaxRomanReprLength(4);3console.log(maxLength);4const { MaxRomanReprLength } = require('fast-check-monorepo');5const maxLength = MaxRomanReprLength(5);6console.log(maxLength);7const { MaxRomanReprLength } = require('fast-check-monorepo');8const maxLength = MaxRomanReprLength(6);9console.log(maxLength);10const { MaxRomanReprLength } = require('fast-check-monorepo');11const maxLength = MaxRomanReprLength(7);12console.log(maxLength);13const { MaxRomanReprLength } = require('fast-check-monorepo');14const maxLength = MaxRomanReprLength(8);15console.log(maxLength);16const { MaxRomanReprLength } = require('fast-check-monorepo');17const maxLength = MaxRomanReprLength(9);18console.log(maxLength);19const { MaxRomanReprLength } = require('fast-check-monorepo');20const maxLength = MaxRomanReprLength(10);21console.log(maxLength);22const { MaxRomanReprLength } = require('fast-check-monorepo');
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2console.log(MaxRomanReprLength(1000));3const { MaxRomanReprLength } = require('fast-check-monorepo');4console.log(MaxRomanReprLength(100000));5const { MaxRomanReprLength } = require('fast-check-monorepo');6console.log(MaxRomanReprLength(1000000));7const { MaxRomanReprLength } = require('fast-check-monorepo');8console.log(MaxRomanReprLength(10000000));9const { MaxRomanReprLength } = require('fast-check-monorepo');10console.log(MaxRomanReprLength(100000000));11const { MaxRomanReprLength } = require('fast-check-monorepo');12console.log(MaxRomanReprLength(1000000000));13const { MaxRomanReprLength } = require('fast-check-monorepo');14console.log(MaxRomanReprLength(10000000000));15const { MaxRomanReprLength } = require('fast-check-monorepo');16console.log(MaxRomanReprLength(100000000000));
Using AI Code Generation
1const fc = require("fast-check");2const MaxRomanReprLength = require("fast-check-monorepo").MaxRomanReprLength;3fc.assert(4 fc.property(fc.integer(1, 10), (n) => {5 console.log("MaxRomanReprLength(" + n + ") = " + MaxRomanReprLength(n));6 return true;7 })8);
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2console.log(MaxRomanReprLength);3 at Resolver.resolveModule (node_modules/jest-resolve/build/index.js:251:17)4 at Object.<anonymous> (test3.js:1:27)5"moduleNameMapper": {6}7"devDependencies": {8}9"moduleNameMapper": {10}11const { MaxRomanReprLength } = require('
Using AI Code Generation
1const { MaxRomanReprLength } = require('fast-check-monorepo');2console.log(MaxRomanReprLength);3Your name to display (optional):4Your name to display (optional):5const { MaxRomanReprLength } = require('fast-check-monorepo');6console.log(MaxRomanReprLength);7Your name to display (optional):
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