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How to use stringOf method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

submission.test.js

Source:submission.test.js

...21};22describe('Diner\'s Club', function() {23  it('should return "Diner\'s Club" when passed a 14 length card with a prefix of "38"', function() {24    fc.assert(fc.property(25      fc.stringOf(arbitraryDigitStr, 12, 12),26      (cardDigits) => {27        assertCard('38' + cardDigits, 'Diner\'s Club');28      },29    ));30  });31  it('should return "Diner\'s Club" when passed a 14 length card with a prefix of "39"', function() {32    fc.assert(fc.property(33      fc.stringOf(arbitraryDigitStr, 12, 12),34      (cardDigits) => {35        assertCard('39' + cardDigits, 'Diner\'s Club');36      },37    ));38  });39});40describe('American Express', function() {41  it('should return "American Express" when passed a 15 length card with a prefix of "34"', function() {42    fc.assert(fc.property(43      fc.stringOf(arbitraryDigitStr, 13, 13),44      (cardDigits) => {45        assertCard('34' + cardDigits, 'American Express');46      },47    ));48  });49  it('should return "American Express" when passed a 15 length card with a prefix of "37"', function() {50    fc.assert(fc.property(51      fc.stringOf(arbitraryDigitStr, 13, 13),52      (cardDigits) => {53        assertCard('37' + cardDigits, 'American Express');54      },55    ));56  });57});58describe('Visa', function() {59  it('should return "Visa" when passed a 13 length card with a prefix of "4"', function() {60    fc.assert(fc.property(61      fc.stringOf(arbitraryDigitStr, 12, 12),62      (cardDigits) => {63        assertCard('4' + cardDigits, 'Visa');64      },65    ));66  });67  it('should return "Visa" when passed a 16 length card with a prefix of "4"', function() {68    fc.assert(fc.property(69      fc.stringOf(arbitraryDigitStr, 15, 15),70      (cardDigits) => {71        if (72          cardDigits.startsWith('903') ||73          cardDigits.startsWith('905') ||74          cardDigits.startsWith('911') ||75          cardDigits.startsWith('936')76        ) {77          return true;78        }79        assertCard('4' + cardDigits, 'Visa');80      },81    ));82  });83  it('should return "Visa" when passed a 19 length card with a prefix of "4"', function() {84    fc.assert(fc.property(85      fc.stringOf(arbitraryDigitStr, 18, 18),86      (cardDigits) => {87        if (88          cardDigits.startsWith('903') ||89          cardDigits.startsWith('905') ||90          cardDigits.startsWith('911') ||91          cardDigits.startsWith('936')92        ) {93          return true;94        }95        assertCard('4' + cardDigits, 'Visa');96      },97    ));98  });99});100describe('MasterCard', function() {101  it('should return "MasterCard" when passed a 16 length card with a prefix of "51" to "55"', function() {102    fc.assert(fc.property(103      fc.integer(51, 55),104      fc.stringOf(arbitraryDigitStr, 14, 14),105      (prefix, cardDigits) => {106        assertCard(prefix + cardDigits, 'MasterCard');107      },108    ));109  });110});111describe('Discover', function() {112  it('should return "Discover" when passed a 16 or 19 length card with a prefix of "6011"', function() {113    fc.assert(fc.property(114      fc.stringOf(arbitraryDigitStr, 12, 12),115      fc.stringOf(arbitraryDigitStr, 15, 15),116      (cardDigits12, cardDigits15) => {117        assertCard('6011' + cardDigits12, 'Discover');118        assertCard('6011' + cardDigits15, 'Discover');119      },120    ));121  });122  it('should return "Discover" when passed a 16 or 19 length card with a prefix of "644" to "649"', function() {123    fc.assert(fc.property(124      fc.integer(644, 649),125      fc.stringOf(arbitraryDigitStr, 13, 13),126      fc.stringOf(arbitraryDigitStr, 16, 16),127      (prefix, cardDigits13, cardDigits19) => {128        assertCard(prefix + cardDigits13, 'Discover');129        assertCard(prefix + cardDigits19, 'Discover');130      },131    ));132  });133  it('should return "Discover" when passed a 16 or 19 length card with a prefix of "65"', function() {134    fc.assert(fc.property(135      fc.stringOf(arbitraryDigitStr, 14, 14),136      fc.stringOf(arbitraryDigitStr, 17, 17),137      (cardDigits14, cardDigits17) => {138        assertCard('65' + cardDigits14, 'Discover');139        assertCard('65' + cardDigits17, 'Discover');140      },141    ));142  });143});144describe('Maestro', function() {145  it('should return "Maestro" when passed a 12-19 length card with a prefix of "5018"', function() {146    fc.assert(fc.property(147      fc.stringOf(arbitraryDigitStr, 8, 15),148      (cardDigits) => {149        assertCard('5018' + cardDigits, 'Maestro');150      },151    ));152  });153  it('should return "Maestro" when passed a 12-19 length card with a prefix of "5020"', function() {154    fc.assert(fc.property(155      fc.stringOf(arbitraryDigitStr, 8, 15),156      (cardDigits) => {157        assertCard('5020' + cardDigits, 'Maestro');158      },159    ));160  });161  it('should return "Maestro" when passed a 12-19 length card with a prefix of "5038"', function() {162    fc.assert(fc.property(163      fc.stringOf(arbitraryDigitStr, 8, 15),164      (cardDigits) => {165        assertCard('5038' + cardDigits, 'Maestro');166      },167    ));168  });169  it('should return "Maestro" when passed a 12-19 length card with a prefix of "6304"', function() {170    fc.assert(fc.property(171      fc.stringOf(arbitraryDigitStr, 8, 15),172      (cardDigits) => {173        assertCard('6304' + cardDigits, 'Maestro');174      },175    ));176  });177});178describe('China UnionPay', function() {179  it('should return "China UnionPay" when passed a 16-19 length card with a prefix of "622126" to "622925"', function() {180    fc.assert(fc.property(181      fc.integer(622126, 622925),182      fc.stringOf(arbitraryDigitStr, 10, 13),183      (prefix, cardDigits) => {184        assertCard(prefix + cardDigits, 'China UnionPay');185      },186    ));187  });188  it('should return "China UnionPay" when passed a 16-19 length card with a prefix of "624" to "626"', function() {189    fc.assert(fc.property(190      fc.integer(624, 626),191      fc.stringOf(arbitraryDigitStr, 13, 16),192      (prefix, cardDigits) => {193        assertCard(prefix + cardDigits, 'China UnionPay');194      },195    ));196  });197  it('should return "China UnionPay" when passed a 16-19 length card with a prefix of "6282" to "6288"', function() {198    fc.assert(fc.property(199      fc.integer(6282, 6288),200      fc.stringOf(arbitraryDigitStr, 12, 15),201      (prefix, cardDigits) => {202        assertCard(prefix + cardDigits, 'China UnionPay');203      },204    ));205  });206});207describe('Switch', function() {208  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "4903"', function() {209    fc.assert(fc.property(210      fc.stringOf(arbitraryDigitStr, 12, 12),211      fc.stringOf(arbitraryDigitStr, 14, 14),212      fc.stringOf(arbitraryDigitStr, 15, 15),213      (cardDigits12, cardDigits14, cardDigits15) => {214        assertCard('4903' + cardDigits12, 'Switch');215        assertCard('4903' + cardDigits14, 'Switch');216        assertCard('4903' + cardDigits15, 'Switch');217      },218    ));219  });220  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "4905"', function() {221    fc.assert(fc.property(222      fc.stringOf(arbitraryDigitStr, 12, 12),223      fc.stringOf(arbitraryDigitStr, 14, 14),224      fc.stringOf(arbitraryDigitStr, 15, 15),225      (cardDigits12, cardDigits14, cardDigits15) => {226        assertCard('4905' + cardDigits12, 'Switch');227        assertCard('4905' + cardDigits14, 'Switch');228        assertCard('4905' + cardDigits15, 'Switch');229      },230    ));231  });232  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "4911"', function() {233    fc.assert(fc.property(234      fc.stringOf(arbitraryDigitStr, 12, 12),235      fc.stringOf(arbitraryDigitStr, 14, 14),236      fc.stringOf(arbitraryDigitStr, 15, 15),237      (cardDigits12, cardDigits14, cardDigits15) => {238        assertCard('4911' + cardDigits12, 'Switch');239        assertCard('4911' + cardDigits14, 'Switch');240        assertCard('4911' + cardDigits15, 'Switch');241      },242    ));243  });244  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "4936"', function() {245    fc.assert(fc.property(246      fc.stringOf(arbitraryDigitStr, 12, 12),247      fc.stringOf(arbitraryDigitStr, 14, 14),248      fc.stringOf(arbitraryDigitStr, 15, 15),249      (cardDigits12, cardDigits14, cardDigits15) => {250        assertCard('4936' + cardDigits12, 'Switch');251        assertCard('4936' + cardDigits14, 'Switch');252        assertCard('4936' + cardDigits15, 'Switch');253      },254    ));255  });256  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "564182"', function() {257    fc.assert(fc.property(258      fc.stringOf(arbitraryDigitStr, 10, 10),259      fc.stringOf(arbitraryDigitStr, 12, 12),260      fc.stringOf(arbitraryDigitStr, 13, 13),261      (cardDigits10, cardDigits12, cardDigits13) => {262        assertCard('564182' + cardDigits10, 'Switch');263        assertCard('564182' + cardDigits12, 'Switch');264        assertCard('564182' + cardDigits13, 'Switch');265      },266    ));267  });268  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "633110"', function() {269    fc.assert(fc.property(270      fc.stringOf(arbitraryDigitStr, 10, 10),271      fc.stringOf(arbitraryDigitStr, 12, 12),272      fc.stringOf(arbitraryDigitStr, 13, 13),273      (cardDigits10, cardDigits12, cardDigits13) => {274        assertCard('633110' + cardDigits10, 'Switch');275        assertCard('633110' + cardDigits12, 'Switch');276        assertCard('633110' + cardDigits13, 'Switch');277      },278    ));279  });280  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "6333"', function() {281    fc.assert(fc.property(282      fc.stringOf(arbitraryDigitStr, 12, 12),283      fc.stringOf(arbitraryDigitStr, 14, 14),284      fc.stringOf(arbitraryDigitStr, 15, 15),285      (cardDigits12, cardDigits14, cardDigits15) => {286        assertCard('6333' + cardDigits12, 'Switch');287        assertCard('6333' + cardDigits14, 'Switch');288        assertCard('6333' + cardDigits15, 'Switch');289      },290    ));291  });292  it('should return "Switch" when passed a 16, 18, or 19 length card with a prefix of "6759"', function() {293    fc.assert(fc.property(294      fc.stringOf(arbitraryDigitStr, 12, 12),295      fc.stringOf(arbitraryDigitStr, 14, 14),296      fc.stringOf(arbitraryDigitStr, 15, 15),297      (cardDigits12, cardDigits14, cardDigits15) => {298        assertCard('6759' + cardDigits12, 'Switch');299        assertCard('6759' + cardDigits14, 'Switch');300        assertCard('6759' + cardDigits15, 'Switch');301      },302    ));303  });...

Common.ts

Source:Common.ts

...12export const arrayOf = <A>(l: number, u: number, g: Gen<A>) =>13  QC.between(l, u).chain(i => g.replicate(i))14export const stringOf = (l: number, u: number, g: Gen<string>) =>15  arrayOf(l, u, g).map(s => s.join(''))16export const ws0 = stringOf(0, 2, QC.of(' '))17export const ws1 = stringOf(1, 2, QC.of(' '))18export const word = stringOf(1, 2, QC.char('ab'))19export const str = stringOf(0, 2, QC.ascii)20export const token_text = QC.concat([ws0, word, ws1])21export const insert_text: Gen<string> = QC.concat([ws0, stringOf(0, 3, QC.ascii), ws0])22// Generate a random graph23export const graph_with_tokens = (token_text: Gen<string>): Gen<G.Graph> =>24  QC.pos25    .pow(2 / 3)26    .replicate(2)27    .chain(([ssize, tsize]) =>28      QC.between(1, Math.min(ssize, tsize)).chain(esize =>29        QC.record({30          source: token_text.replicate(ssize).map(xs => xs.map((text, i) => ({text, id: 's' + i}))),31          target: token_text.replicate(tsize).map(xs => xs.map((text, i) => ({text, id: 't' + i}))),32          proto_edges: QC.record({labels: arrayOf(0, 2, stringOf(1, 3, QC.upper)), manual: QC.bool})33            .replicate(esize)34            .map(xs => xs.map(labels_manual => ({ids: [] as string[], ...labels_manual}))),35          sedges: QC.permute(Utils.range(ssize).map(i => i % esize)),36          tedges: QC.permute(Utils.range(tsize).map(i => i % esize)),37        }).map(r => {38          const {source, target, proto_edges, sedges, tedges} = R.clone(r)39          source.forEach(s => proto_edges[sedges.pop() as number].ids.push(s.id))40          target.forEach(t => proto_edges[tedges.pop() as number].ids.push(t.id))41          return G.align({42            source,43            target,44            edges: G.edge_record(proto_edges.map(e => G.Edge(e.ids, e.labels, e.manual))),45          })46        })...

repeater.js

Source:repeater.js

1// ============================== INSTRUCTIONS ==============================2// ================================================================================3/*4Challenge: Repeater5Write a function that takes an input character and returns that character repeated 5 times using recursion. For example, if the input is 'g', then the output should be 'ggggg'.6Input: {String} char7Output: {String}8*/9// ========================== SOLUTION 1 ======================================10// ================================================================================11// const stringOf = {};12// function repeater(char) {13//   if (!stringOf[char]) {14//     stringOf[char] = char;15//   }16//   if (stringOf[char].length === 5) {17//     return stringOf[char];18//   }19//   stringOf[char] += char;20//   return repeater(char);21// }22// ========================== SOLUTION 2 ======================================23// ================================================================================24const string = [];25function repeater(char) {26	if (string.length === 5 && string.every((ele) => ele === char)) {27		return string.join('');28	}29	if (string.length >= 5 || string.every((ele) => ele !== char)) {30		string.length = 0;31	}32	string.push(char);33	return repeater(char);34}35// ========================== SOLUTION 3 ======================================36// ================================================================================37// let repeated = '';38// const repeater = char => {39//   if (repeated.length === 5 && repeated[0] === char) return repeated;40//   if (repeated.length >= 5 || repeated[0] !== char) repeated = '';41//   repeated += char;42//   return repeater(char)43// }44// ========================== SOLUTION 4 ======================================45// ================================================================================46const repeater = (char, output = char) => {47	if (output.length === 5) return output;48	return repeater(char, output + char);49};50// To check if you've completed the challenge, uncomment these console.logs!51console.log(repeater('g'));...

Using AI Code Generation

1const { stringOf } = require("fast-check");2const { string } = require("fast-check");3const { property } = require("fast-check");4const { oneof } = require("fast-check");5const { constant } = require("fast-check");6const { tuple } = require("fast-check");7const { record } = require("fast-check");8const { option } = require("fast-check");9const { array } = require("fast-check");10const { map } = require("fast-check");11const { set } = require("fast-check");12const { dictionary } = require("fast-check");13const { double } = require("fast-check");14const { float } = require("fast-check");15const { integer } = require("fast-check");16const { bigInt } = require("fast-check");17const { date } = require("fast-check");18const { regexp } = require("fast-check");19const { unicodeJsonObject } = require("fast-check");20const { jsonObject } = require("fast-check");21const { unicodeJsonString } = require("fast-check");22const { json } = require("fast-check");23const { asciiJsonObject } = require("fast-check");24const { asciiJsonString } = require("fast-check");25const { asciiString } = require("fast-check");26const { unicodeString } = require("fast-check");27const { char } = require("fast-check");28const { base64String } = require("fast-check");29const { base64JsonObject } = require("fast-check");30const { base64JsonString } = require("fast-check");31const { hexaString } = require("fast-check");32const { hexaJsonObject } = require("fast-check");33const { hexaJsonString } = require("fast-check");34const { fullUnicodeString } = require("fast-check");35const { fullUnicodeJsonObject } = require("fast-check");36const { fullUnicodeJsonString } = require("fast-check");37const { unicodeJsonObject } = require("fast-check");38const { unicodeJsonString } = require("fast-check");39const { asciiJsonObject } = require("fast-check");40const { asciiJsonString } = require("fast-check");41const { asciiString } = require("fast-check");42const { unicodeString } = require("fast-check");43const { char } = require("fast-check");44const { base64String } = require("fast-check");45const { base64JsonObject } = require("fast-check");46const { base64

Using AI Code Generation

1const { stringOf } = require('fast-check');2const { string } = require('fast-check');3const { property } = require('fast-check');4const { oneof } = require('fast-check');5const { stringOf } = require('fast-check');6const { string } = require('fast-check');7const { property } = require('fast-check');8const { oneof } = require('fast-check');9const { stringOf } = require('fast-check');10const { string } = require('fast-check');11const { property } = require('fast-check');12const { oneof } = require('fast-check');13const { stringOf } = require('fast-check');14const { string } = require('fast-check');15const { property } = require('fast-check');16const { oneof } = require('fast-check');17const { stringOf } = require('fast-check');18const { string } = require('fast-check');19const { property } = require('fast-check');20const { oneof } = require('fast-check');21const { stringOf } = require('fast-check');22const { string } = require('fast-check');23const { property } = require('fast-check');24const { oneof } = require('fast-check');25const { stringOf } = require('fast-check');26const { string } = require('fast-check');27const { property } = require('fast-check');28const { oneof } = require('fast-check');29const { stringOf } = require('fast-check');30const { string } = require('fast-check');31const { property } = require('fast-check');32const { oneof } = require('fast-check');33const { stringOf } = require('fast-check');34const { string } = require('fast-check');35const { property } = require('fast-check');36const { oneof } = require('fast-check');37const { stringOf } = require('fast-check');38const { string } = require('fast-check');39const { property } = require('fast-check');40const { oneof } = require('fast-check');41const { stringOf } = require('fast-check');42const { string } = require('fast-check');43const { property } = require('fast-check');44const { oneof } = require('fast-check');45const { stringOf } = require('fast-check');46const { string } = require('fast-check');47const { property } = require('fast-check');48const { oneof }

Using AI Code Generation

1var stringOf = require('fast-check-stringof');2var fc = require('fast-check');3var assert = require('assert');4var alphabet = 'abcdefghijklmnopqrstuvwxyz';5var stringOf = require('fast-check-stringof');6var fc = require('fast-check');7var assert = require('assert');8var alphabet = 'abcdefghijklmnopqrstuvwxyz';9var stringOfAlphabet = stringOf(alphabet);10var stringOfAlphabet = stringOf(alphabet);11fc.assert(12  fc.property(fc.integer(0, 1000), fc.integer(0, 1000), function (a, b) {13    return a + b >= a && a + b >= b;14  })15);16fc.assert(17  fc.property(fc.integer(0, 1000), fc.integer(0, 1000), function (a, b) {18    return a + b >= a && a + b >= b;19  })20);21fc.assert(22  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {23    return a + b >= a && a + b >= b;24  })25);26fc.assert(27  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {28    return a + b >= a && a + b >= b;29  })30);31fc.assert(32  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {33    return a + b >= a && a + b >= b;34  })35);36fc.assert(37  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {38    return a + b >= a && a + b >= b;39  })40);41fc.assert(42  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {43    return a + b >= a && a + b >= b;44  })45);46fc.assert(47  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {48    return a + b >= a && a + b >= b;49  })50);51fc.assert(52  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b) {53    return a + b >= a && a + b >= b;54  })55);56fc.assert(57  fc.property(stringOfAlphabet, stringOfAlphabet, function (a, b)

Using AI Code Generation

1const fc = require("fast-check");2const stringOf = require("fast-check-monorepo");3const test3 = () => {4  const testString = stringOf(10);5  console.log(testString);6};7test3();8const fc = require("fast-check");9const stringOf = require("fast-check-monorepo");10const test4 = () => {11  const testString = stringOf(10);12  console.log(testString);13};14test4();15const fc = require("fast-check");16const stringOf = require("fast-check-monorepo");17const test5 = () => {18  const testString = stringOf(10);19  console.log(testString);20};21test5();22const fc = require("fast-check");23const stringOf = require("fast-check-monorepo");24const test6 = () => {25  const testString = stringOf(10);26  console.log(testString);27};28test6();29const fc = require("fast-check");30const stringOf = require("fast-check-monorepo");31const test7 = () => {32  const testString = stringOf(10);33  console.log(testString);34};35test7();36const fc = require("fast-check");37const stringOf = require("fast-check-monorepo");38const test8 = () => {39  const testString = stringOf(10);40  console.log(testString);41};42test8();43const fc = require("fast-check");44const stringOf = require("fast-check-monorepo");

Using AI Code Generation

1const { stringOf } = require('fast-check');2const randomString = stringOf();3console.log(randomString);4const { stringOf } = require('fast-check');5const randomString = stringOf();6console.log(randomString);7const { stringOf } = require('fast-check');8const randomString = stringOf();9console.log(randomString);10const { stringOf } = require('fast-check');11const randomString = stringOf();12console.log(randomString);13const { stringOf } = require('fast-check');14const randomString = stringOf();15console.log(randomString);16const { stringOf } = require('fast-check');17const randomString = stringOf();18console.log(randomString);

Using AI Code Generation

1const { stringOf } = require('fast-check-monorepo');2const { string } = require('fast-check');3const arb = stringOf(string(), 1, 5);4console.log(arb);5const { stringOf } = require('fast-check-monorepo');6const { string } = require('fast-check');7const arb = stringOf(string(), 1, 5);8console.log(arb);

Using AI Code Generation

1const fc = require('fast-check');2function stringOf(length) {3    return fc.integer(0, 0xFFFF)4        .map(code => String.fromCharCode(code))5        .noShrink()6        .repeat(length)7        .map(chars => chars.join(''));8}9fc.assert(10    fc.property(stringOf(4), str => str.length === 4)11);12fc.assert(13    fc.property(stringOf(6), str => str.length === 6)14);15fc.assert(16    fc.property(stringOf(8), str => str.length === 8)17);18fc.assert(19    fc.property(stringOf(10), str => str.length === 10)20);21fc.assert(22    fc.property(stringOf(12), str => str.length === 12)23);24fc.assert(25    fc.property(stringOf(14), str => str.length === 14)26);27fc.assert(28    fc.property(stringOf(16), str => str.length === 16)29);30fc.assert(31    fc.property(stringOf(18), str => str.length === 18)32);33fc.assert(34    fc.property(stringOf(20), str => str.length === 20)35);36fc.assert(37    fc.property(stringOf(22), str => str.length === 22)38);39fc.assert(40    fc.property(stringOf(24), str => str.length === 24)41);42fc.assert(43    fc.property(stringOf(26), str => str.length === 26)44);45fc.assert(46    fc.property(stringOf(28), str => str.length === 28)47);48fc.assert(

Using AI Code Generation

1const fc = require("fast-check");2const assert = require("assert");3const regex = /^[a-z]{10}$/;4const stringOf = fc.stringOf(fc.char(), 10, 10);5it("should generate a string of 10 characters", () => {6  assert(regex.test(stringOf));7});8const fc = require("fast-check");9const assert = require("assert");10const regex = /^[a-z]{10}$/;11const stringOf = fc.stringOf(fc.char(), 10, 10);12it("should generate a string of 10 characters", () => {13  assert(regex.test(stringOf));14});15const fc = require("fast-check");16const assert = require("assert");17const regex = /^[a-z]{10}$/;18const stringOf = fc.stringOf(fc.char(), 10, 10);19it("should generate a string of 10 characters", () => {20  assert(regex.test(stringOf));21});22const fc = require("fast-check");23const assert = require("assert");24const regex = /^[a-z]{10}$/;25const stringOf = fc.stringOf(fc.char(), 10, 10);26it("should generate a string of 10 characters", () => {27  assert(regex.test(stringOf));28});29const fc = require("fast-check");30const assert = require("assert");31const regex = /^[a-z]{10}$/;32const stringOf = fc.stringOf(fc.char(), 10, 10);33it("should generate a string of 10 characters", () => {34  assert(regex.test(stringOf));35});

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