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How to use posRomanNumberArb method in fast-check-monorepo

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 {posRomanNumberArb} = require('fast-check-monorepo');2const fc = require('fast-check');3fc.assert(4  fc.property(posRomanNumberArb(), (n) => {5    return n >= 1 && n <= 3999;6  })7);

Using AI Code Generation

1const {posRomanNumberArb} = require('fast-check-monorepo');2describe('posRomanNumberArb', () => {3  it('should generate a positive roman number', () => {4    expect(posRomanNumberArb().generate()).toEqual('I');5  });6});

Using AI Code Generation

1var posRomanNumberArb = require('fast-check-monorepo').posRomanNumberArb;2const fc = require('fast-check');3const posRomanNumberArb = require('fast-check-monorepo').posRomanNumberArb;4const fc = require('fast-check');5const { posRomanNumberArb } = require('fast-check-monorepo');6const fc = require('fast-check');7const { posRomanNumberArb } = require('fast-check-monorepo');8const fc = require('fast-check');9const { posRomanNumberArb } = require('fast-check-monorepo');10const fc = require('fast-check');11const { posRomanNumberArb } = require('fast-check-monorepo');12const fc = require('fast-check');13const { posRomanNumberArb } = require('fast-check-monorepo');14const fc = require('fast-check');15const { posRomanNumberArb } = require('fast-check-monorepo');16const fc = require('fast-check');17const { posRomanNumberArb } = require('fast-check-monorepo');18const fc = require('fast-check');19const { posRomanNumberArb } = require('fast-check-monorepo');20const fc = require('fast-check');21const { posRomanNumberArb } = require('fast-check-monorepo');22const fc = require('fast-check');23const { posRomanNumberArb } = require('fast-check

Using AI Code Generation

1const {posRomanNumberArb} = require('fast-check-monorepo');2describe('posRomanNumberArb', () => {3  it('should generate a positive roman number', () => {4    fc.assert(5      fc.property(posRomanNumberArb(), (posRomanNumber) => {6        expect(posRomanNumber).toBeGreaterThanOrEqual(1);7      })8    );9  });10});11const {posRomanNumberArb} = require('fast-check-monorepo');12describe('posRomanNumberArb', () => {13  it('should generate a positive roman number', () => {14    fc.assert(15      fc.property(posRomanNumberArb(), (posRomanNumber) => {16        expect(posRomanNumber).toBeGreaterThanOrEqual(1);17      })18    );19  });20});21const {posRomanNumberArb} = require('fast-check-monorepo');22describe('posRomanNumberArb', () => {23  it('should generate a positive roman number', () => {24    fc.assert(25      fc.property(posRomanNumberArb(), (posRomanNumber) => {26        expect(posRomanNumber).toBeGreaterThanOrEqual(1);27      })28    );29  });30});31const {posRomanNumberArb} = require('fast-check-monorepo');32describe('posRomanNumberArb', () => {33  it('should generate a positive roman number', () => {34    fc.assert(35      fc.property(posRomanNumberArb(), (posRomanNumber) => {36        expect(posRomanNumber).toBeGreaterThanOrEqual(1);37      })38    );39  });40});41const {posRomanNumberArb} = require('fast-check-monorepo');42describe('posRomanNumberArb', () => {43  it('should generate a positive roman number', () => {44    fc.assert(45      fc.property(posRomanNumberArb(), (posRomanNumber) => {46        expect(posRomanNumber).toBeGreaterThanOrEqual(1);47      })

Using AI Code Generation

1const fc = require('fast-check');2const { posRomanNumberArb } = require('fast-check-monorepo');3const romanToArabic = (roman) => {4  const romanNumeralMap = {5  };6  let arabic = 0;7  for (const [r, a] of Object.entries(romanNumeralMap)) {8    while (roman.startsWith(r)) {9      roman = roman.slice(r.length);10      arabic += a;11    }12  }13  return arabic;14};15fc.assert(16  fc.property(posRomanNumberArb(), (roman) => {17    const arabic = romanToArabic(roman);18    return arabic > 0;19  })20);21√ No issues found on 1000 tests (0.2s)

Using AI Code Generation

1const fc = require('fast-check');2const posRomanNumberArb = require('fast-check-monorepo').posRomanNumberArb;3function convertRomanToArabic(romanNumber) {4  var romanNumber = romanNumber.toUpperCase();5  var romanNumberArray = romanNumber.split("");6  var conversionArray = [];7  var total = 0;8  var conversion = {9  };10  for (var i = 0; i < romanNumberArray.length; i++) {11    for (var key in conversion) {12      if (romanNumberArray[i] == key) {13        conversionArray.push(conversion[key]);14      }15    }16  }17  for (var i = 0; i < conversionArray.length; i++) {18    if (conversionArray[i] < conversionArray[i + 1]) {19      conversionArray[i] = conversionArray[i] * -1;20      total += conversionArray[i];21    } else {22      total += conversionArray[i];23    }24  }25  return total;26}27function convertArabicToRoman(arabicNumber) {28  var arabicNumberArray = arabicNumber.toString().split("");29  var romanNumberArray = [];30  var romanNumber = "";31  var conversion = {32  };33  for (var i = 0; i < arabicNumberArray.length; i++) {34    if (arabicNumberArray[i] == 0) {35      arabicNumberArray.splice(i, 1);36      i--;37    } else if (arabicNumberArray[i] == 1

Using AI Code Generation

1const arb = require('fast-check-monorepo').posRomanNumberArb;2const arbRoman = arb(1, 1000);3const arbRomanNumber = arbRoman.generator(10);4arbRomanNumber.forEach((romanNumber) => {5    const arabicNumber = convertRomanToArabic(romanNumber);6    const convertedRomanNumber = convertArabicToRoman(arabicNumber);7    console.log('Roman number is: ' + romanNumber);8    console.log('Converted roman number is: ' + convertedRomanNumber);9    console.log('Arabic number is: ' + arabicNumber);10    console.log('Converted arabic number is: ' + convertRomanToArabic(convertedRomanNumber));11    console.log('Are the roman numbers equal? ' + (romanNumber === convertedRomanNumber));12    console.log('Are the arabic numbers equal? ' + (arabicNumber === convertRomanToArabic(convertedRomanNumber)));13});14function convertRomanToArabic(romanNumber) {15        {roman: 'M', arabic: 1000},16        {roman: 'CM', arabic: 900},17        {roman: 'D', arabic: 500},18        {roman: 'CD', arabic: 400},19        {roman: 'C', arabic: 100},20        {roman: 'XC', arabic: 90},21        {roman: 'L', arabic: 50},22        {roman: 'XL', arabic: 40},23        {roman: 'X', arabic: 10},24        {roman: 'IX', arabic: 9},25        {roman: 'V', arabic: 5},26        {roman: 'IV', arabic: 4},27        {roman: 'I', arabic: 1}28    ];29    let arabicNumber = 0;30    for (let i = 0; i < romanNumeralList.length; i++) {31        while (romanNumber.indexOf(romanNumeralList[i].roman) === 0) {

Using AI Code Generation

1const fc = require('fast-check');2const {posRomanNumberArb} = require('fast-check-monorepo');3const arb = posRomanNumberArb();4fc.assert(5  fc.property(arb, (s) => {6    return s.length > 0;7  })8);9const arb2 = fc.posRomanNumberArb();10fc.assert(11  fc.property(arb2, (s) => {12    return s.length > 0;13  })14);15const arb3 = fc.posRomanNumberArb;16fc.assert(17  fc.property(arb3, (s) => {18    return s.length > 0;19  })20);21fc.assert(22  fc.property(fc.posRomanNumberArb, (s) => {23    return s.length > 0;24  })25);26const arb4 = fc.posRomanNumberArb();27fc.assert(28  fc.property(arb4, (s) => {29    return s.length > 0;30  })31);32const arb5 = fc.posRomanNumberArb();33fc.assert(34  fc.property(arb5, (s) => {35    return s.length > 0;36  })37);38fc.assert(39  fc.property(fc.posRomanNumberArb(), (s) => {40    return s.length > 0;41  })42);43fc.assert(44  fc.property(fc.posRomanNumberArb(), (s) => {

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