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How to use weightedArbs method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

propgrammar.spec.js

Source:propgrammar.spec.js

1'use strict'2const parser    = require('../lib/index.js');3const expect    = require('chai').expect;4const proptypes = parser.proptypes;5const jsc       = require('jsverify');6const Prop         = proptypes.Prop;7const CompoundProp = proptypes.CompoundProp;8const AtomicProp   = proptypes.AtomicProp;9const NotProp      = proptypes.NotProp;10const AndProp      = proptypes.AndProp;11const OrProp       = proptypes.OrProp;12const ImplProp     = proptypes.ImplProp;13const BiCondProp   = proptypes.BiCondProp;14// whether a string successfully parses15function doesParse (s) {16  try {17    parser.parse(s)18    return true19  } catch (err) {20    return false21  }22}23const expected_results = [24  [ 'A',        new AtomicProp('A') ],25  [ '(A)',      new AtomicProp('A') ],26  [ '( (A))',   new AtomicProp('A') ],27  [ 'A ^ B',    new AndProp( 28                    new AtomicProp('A'),29                    new AtomicProp('B')30                  ) ],31  [ 'A v (B)',    new OrProp( 32                    new AtomicProp('A'),33                    new AtomicProp('B')34                  ) ],35  [ 'A -> B',   new ImplProp( 36                  new AtomicProp('A'),37                  new AtomicProp('B')38                ) ],39  [ 'A <-> B',  new BiCondProp( 40                  new AtomicProp('A'),41                  new AtomicProp('B')42                ) ],43  [ '(~(~(G)))',  new NotProp(44                    new NotProp(45                      new AtomicProp('G')46                    )47                  ) ],48  [ '( H )^(O)', new AndProp(49                    new AtomicProp('H'),50                    new AtomicProp('O')51                 ) ],52  [ '(~(M)) ^ ( O )',53                 new AndProp(54                    new NotProp(55                      new AtomicProp('M')56                    ),57                    new AtomicProp('O')58                 ) ],59  [ '~~A',      new NotProp(60                  new NotProp(61                    new AtomicProp('A')62                  )63                ) ],64  [ '~~AvB',    new OrProp(65                  new NotProp(66                    new NotProp(67                      new AtomicProp('A')68                    )69                  ),70                  new AtomicProp('B')71               ) ],72  [ 'Av~~B',    new OrProp(73                  new AtomicProp('A'),74                  new NotProp(75                    new NotProp(76                      new AtomicProp('B')77                    )78                  )79               ) ],80  [ 'AvBvC',    new OrProp(81                  new OrProp(82                    new AtomicProp('A'),83                    new AtomicProp('B')84                  ),85                  new AtomicProp('C')86                )],87  [ 'AvB^C',    new OrProp(88                  new AtomicProp('A'),89                  new AndProp(90                    new AtomicProp('B'),91                    new AtomicProp('C')92                  )93                )]94]95const bad_strings = [96  '',97  ' ',98  '\t',99  '\n',100  'Av',101  '  A',102  '~',103  'A~B',104  'Bv',105  'vB',106  '()',107  'a',108  'z',109  '1',110  '@',111  'AA',112  'A   ', // exprs need to be rtrimmed113  '   A'  // and ltrimmed114]115// generators for use with jsverify116const arbUpperChar = 117      jsc.integer(65,90).smap(String.fromCharCode, (c)=>c.charCodeAt(0)); 118const arbBiConnective = jsc.elements(['^', 'v', '->', '<->'])119// lacks a proper right inverse (i.e. map from joined to unjoined)120// const arbSmallProp = jsc.tuple([arbUpperChar, arbBiConnective, arbUpperChar]).smap( ( x)=>x.join("") )121const arbSmallProp = jsc.bless({122  'generator':123      jsc.generator.combine(124          arbUpperChar.generator,125          arbBiConnective.generator,126          arbUpperChar.generator,127          (p1, conn, p2) => [p1, conn, p2].join('')128      )129})130// array of those weights.131// So, if you have a random number n from 0 to 1,132// you can just iterated through the weights and choose this133// arb if n < weights[idx].134//135// e.g.136//   xs = [ ["a", 3], ["b", 2], ["c", 7] ]137//   new_xs = normalise(xs)138//   // new_xs is: [0.25, 0.41666, 1]139//140// used in the proposition generator below.141function normalise (weightedArbs) {142  var weights = []143  var total = 0144  weightedArbs.forEach((x) => {145    total = total + x[1]146    weights.push(x[1])147  })148  var tmp = 0149  for (var i = 0; i < weights.length; i++) {150    var w = weights[i]151    var asFloat = w / total152    tmp = tmp + asFloat153    weights[i] = tmp154  }155  return weights156}157// combinator to make new jsc arbitraries out of a weighted158// list of old.159// takes an array of [ [arb1,weight], [arb2,weight] ... ]160// (where the weights are numbers, and can add up to anything161// postive.)162// returns a random result from one of those.163const weightedOneof = (weightedArbs) => jsc.bless({164  generator: (size) => {165    var normalised = normalise(weightedArbs)166    var r = jsc.random.number(0, 1)167    for (var i = 0; i < normalised.length; i++) {168      if (r < normalised[i]) {169        return weightedArbs[i][0].generator(size)170      }171    };172  }173})174// combinator for use in letrec:175// given "proposition" arbitrary from tie(),176// produce compound props.177const mkCompoundProp = (propArb) => jsc.bless({178  'generator':179    jsc.generator.combine(180      jsc.generator.small(jsc.generator.small(propArb.generator)),181      arbBiConnective.generator,182      jsc.generator.small(jsc.generator.small(propArb.generator)),183      (p1, conn, p2) => {184        if (p1.length != 1) {185          p1 = '(' + p1 + ')'186        }187        if (p2.length != 1) {188          p2 = '(' + p2 + ')'189        }190        return [p1, conn, p2].join('')191      }192    )193})194// combinator for use in letrec:195// given "proposition" arbitrary from tie(),196// produce compound props.197//198// not yet used 'cos pretty printing rules are fiddlly to reverse.199const mkNotProp = (propArb) => jsc.bless({200  'generator':201    jsc.generator.combine(202      propArb.generator,203      (p) => {204        if (p.match(/^~?[A-Z]$/) || p.match(/^~\(/)) {205          return '~' + p206        } else {207          return '~(' + p + ')'208        }209      }210    )211})212// use letrec to manage mutually recursive definitions213// for generators.214const moreArbs = jsc.letrec(function (tie) {215  return {216    atom: arbUpperChar,217    biProp: mkCompoundProp(tie('prop')),218    notProp: mkNotProp(tie('prop')),219    prop: weightedOneof([ [tie('atom'), 3],220                           [tie('biProp'), 1]221                           // [tie("notProp"),1]222    ])223  }224})225const arbProp = moreArbs["prop"];226// props including 'not'.227// we can parse but not round-trip them228const complexArbs = jsc.letrec(function (tie) {229  return {230    atom: arbUpperChar,231    biProp: mkCompoundProp(tie('prop')),232    notProp: mkNotProp(tie('prop')),233    prop: weightedOneof([ [tie('atom'), 3],234                           [tie('biProp'), 1]235                           [tie("notProp"),1]236    ])237  }238})239const arbComplexProp = complexArbs["prop"];240// tests241describe('prop-parser', () => {242  describe('parse', () => {243    describe('should fail on bad strings', () => {244      for (var idx in bad_strings) {245        var input     = bad_strings[idx];246        var f         = function() { parser.parse(input) };247        248        it("should fail on " + JSON.stringify(input), () => {249          expect( f ).to.throw( );250        });251      }252    }),253    describe('should parse a bunch of other things', () => {254      for (var idx in expected_results) {255        var input     = expected_results[idx][0];256        var result    = parser.parse(input);257        var expected  = expected_results[idx][1];258        expect( result ).to.deep.equal( expected );259        it("should parse " + JSON.stringify(input), () => {260          expect( result ).to.deep.equal( expected );261        });262      }263    }),264    describe('successfully parses ...',()=>{265      jsc.property("single atoms", arbUpperChar, (c) => doesParse(c) )266      jsc.property("1-connective formulas", arbSmallProp, (c) => doesParse(c) );267      jsc.property("arbitrary props with no not", arbProp, (s) => 268        doesParse(s)   269      );270      //jsc.property("abritrary props with not", arbComplexProp, (s) => {271      //  var res = (s == null) || doesParse(s);272      //  if (s == null) {273      //    console.log("s was null");274      //  } else {275      //    console.log("s was not null" + JSON.stringify( [s] ) );276      //  }277      //  return res;278      //});279    })280    // only handles props w no not.281    describe('no-not props should roundtrip (modulo whitespace)',()=>{282      jsc.property("roundtrips", arbProp, (str) => {283        var parsed = parser.parse(str);284        var reStrung = proptypes.asciify( parsed.text )285                        .replace(/\s+/g, ""); 286        return str === reStrung;287      })288    })289  })...

oneof.ts

Source:oneof.ts

1import { Arbitrary, isArbitrary } from '../check/arbitrary/definition/Arbitrary';2import { safeMap, safeSlice } from '../utils/globals';3import { FrequencyArbitrary } from './_internals/FrequencyArbitrary';4import { DepthIdentifier } from './_internals/helpers/DepthContext';5import { DepthSize } from './_internals/helpers/MaxLengthFromMinLength';6/**7 * Conjonction of a weight and an arbitrary used by {@link oneof}8 * in order to generate values9 *10 * @remarks Since 1.18.011 * @public12 */13export interface WeightedArbitrary<T> {14  /**15   * Weight to be applied when selecting which arbitrary should be used16   * @remarks Since 0.0.717   */18  weight: number;19  /**20   * Instance of Arbitrary21   * @remarks Since 0.0.722   */23  arbitrary: Arbitrary<T>;24}25/**26 * Either an `Arbitrary<T>` or a `WeightedArbitrary<T>`27 * @remarks Since 3.0.028 * @public29 */30export type MaybeWeightedArbitrary<T> = Arbitrary<T> | WeightedArbitrary<T>;31/**32 * Infer the type of the Arbitrary produced by {@link oneof}33 * given the type of the source arbitraries34 *35 * @remarks Since 2.2.036 * @public37 */38export type OneOfValue<Ts extends MaybeWeightedArbitrary<unknown>[]> = {39  [K in keyof Ts]: Ts[K] extends MaybeWeightedArbitrary<infer U> ? U : never;40}[number];41/**42 * Constraints to be applied on {@link oneof}43 * @remarks Since 2.14.044 * @public45 */46export type OneOfConstraints = {47  /**48   * When set to true, the shrinker of oneof will try to check if the first arbitrary49   * could have been used to discover an issue. It allows to shrink trees.50   *51   * Warning: First arbitrary must be the one resulting in the smallest structures52   * for usages in deep tree-like structures.53   *54   * @remarks Since 2.14.055   */56  withCrossShrink?: boolean;57  /**58   * While going deeper and deeper within a recursive structure (see {@link letrec}),59   * this factor will be used to increase the probability to generate instances60   * of the first passed arbitrary.61   *62   * @remarks Since 2.14.063   */64  depthSize?: DepthSize;65  /**66   * Maximal authorized depth.67   * Once this depth has been reached only the first arbitrary will be used.68   *69   * @remarks Since 2.14.070   */71  maxDepth?: number;72  /**73   * Depth identifier can be used to share the current depth between several instances.74   *75   * By default, if not specified, each instance of oneof will have its own depth.76   * In other words: you can have depth=1 in one while you have depth=100 in another one.77   *78   * @remarks Since 2.14.079   */80  depthIdentifier?: DepthIdentifier | string;81};82/**83 * @internal84 */85function isOneOfContraints(86  param: OneOfConstraints | MaybeWeightedArbitrary<unknown> | undefined87): param is OneOfConstraints {88  return (89    param != null &&90    typeof param === 'object' &&91    // Arbitrary<unknown>92    !('generate' in param) &&93    // WeightedArbitrary<unknown>94    !('arbitrary' in param) &&95    !('weight' in param)96  );97}98/**99 * @internal100 */101function toWeightedArbitrary<T>(maybeWeightedArbitrary: MaybeWeightedArbitrary<T>): WeightedArbitrary<T> {102  if (isArbitrary(maybeWeightedArbitrary)) {103    return { arbitrary: maybeWeightedArbitrary, weight: 1 };104  }105  return maybeWeightedArbitrary;106}107/**108 * For one of the values generated by `...arbs` - with all `...arbs` equiprobable109 *110 * **WARNING**: It expects at least one arbitrary111 *112 * @param arbs - Arbitraries that might be called to produce a value113 *114 * @remarks Since 0.0.1115 * @public116 */117function oneof<Ts extends MaybeWeightedArbitrary<unknown>[]>(...arbs: Ts): Arbitrary<OneOfValue<Ts>>;118/**119 * For one of the values generated by `...arbs` - with all `...arbs` equiprobable120 *121 * **WARNING**: It expects at least one arbitrary122 *123 * @param constraints - Constraints to be applied when generating the values124 * @param arbs - Arbitraries that might be called to produce a value125 *126 * @remarks Since 2.14.0127 * @public128 */129function oneof<Ts extends MaybeWeightedArbitrary<unknown>[]>(130  constraints: OneOfConstraints,131  ...arbs: Ts132): Arbitrary<OneOfValue<Ts>>;133function oneof<Ts extends MaybeWeightedArbitrary<unknown>[]>(134  ...args: [...Ts] | [OneOfConstraints, ...Ts]135): Arbitrary<OneOfValue<Ts>> {136  // TODO With TypeScript 4.0 it will be possible to properly define typings for `oneof(...arbs, constraints)`137  const constraints = args[0];138  if (isOneOfContraints(constraints)) {139    const weightedArbs = safeMap(safeSlice(args, 1) as MaybeWeightedArbitrary<OneOfValue<Ts>>[], toWeightedArbitrary);140    return FrequencyArbitrary.from(weightedArbs, constraints, 'fc.oneof');141  }142  const weightedArbs = safeMap(args as MaybeWeightedArbitrary<OneOfValue<Ts>>[], toWeightedArbitrary);143  return FrequencyArbitrary.from(weightedArbs, {}, 'fc.oneof');144}...

option.ts

Source:option.ts

1import { constant } from './constant';2import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';3import { FrequencyArbitrary, _Constraints as FrequencyContraints } from './_internals/FrequencyArbitrary';4import { DepthIdentifier } from './_internals/helpers/DepthContext';5import { DepthSize } from './_internals/helpers/MaxLengthFromMinLength';6import { safeHasOwnProperty } from '../utils/globals';7/**8 * Constraints to be applied on {@link option}9 * @remarks Since 2.2.010 * @public11 */12export interface OptionConstraints<TNil = null> {13  /**14   * The probability to build a nil value is of `1 / freq`15   * @remarks Since 1.17.016   */17  freq?: number;18  /**19   * The nil value (default would be null)20   * @remarks Since 1.17.021   */22  nil?: TNil;23  /**24   * While going deeper and deeper within a recursive structure (see {@link letrec}),25   * this factor will be used to increase the probability to generate nil.26   *27   * @remarks Since 2.14.028   */29  depthSize?: DepthSize;30  /**31   * Maximal authorized depth. Once this depth has been reached only nil will be used.32   *33   * @remarks Since 2.14.034   */35  maxDepth?: number;36  /**37   * Depth identifier can be used to share the current depth between several instances.38   *39   * By default, if not specified, each instance of option will have its own depth.40   * In other words: you can have depth=1 in one while you have depth=100 in another one.41   *42   * @remarks Since 2.14.043   */44  depthIdentifier?: DepthIdentifier | string;45}46/**47 * For either nil or a value coming from `arb` with custom frequency48 *49 * @param arb - Arbitrary that will be called to generate a non nil value50 * @param constraints - Constraints on the option(since 1.17.0)51 *52 * @remarks Since 0.0.653 * @public54 */55export function option<T, TNil = null>(56  arb: Arbitrary<T>,57  constraints: OptionConstraints<TNil> = {}58): Arbitrary<T | TNil> {59  const freq = constraints.freq == null ? 5 : constraints.freq;60  const nilValue = safeHasOwnProperty(constraints, 'nil') ? constraints.nil : (null as any);61  const nilArb = constant(nilValue);62  const weightedArbs = [63    { arbitrary: nilArb, weight: 1, fallbackValue: { default: nilValue } },64    { arbitrary: arb, weight: freq },65  ];66  const frequencyConstraints: FrequencyContraints = {67    withCrossShrink: true,68    depthSize: constraints.depthSize,69    maxDepth: constraints.maxDepth,70    depthIdentifier: constraints.depthIdentifier,71  };72  return FrequencyArbitrary.from(weightedArbs, frequencyConstraints, 'fc.option');...

Using AI Code Generation

1const { weightedArbs } = require('fast-check');2const arb1 = fc.integer(1, 100);3const arb2 = fc.integer(101, 200);4const arb3 = fc.integer(201, 300);5const arb = weightedArbs([6  { weight: 1, arb: arb1 },7  { weight: 2, arb: arb2 },8  { weight: 3, arb: arb3 },9]);10fc.assert(11  fc.property(arb, (v) => {12    return v >= 1 && v <= 300;13  })14);15const { weightedArbs } = require('fast-check');16const arb1 = fc.integer(1, 100);17const arb2 = fc.integer(101, 200);18const arb3 = fc.integer(201, 300);19const arb = weightedArbs([20  { weight: 1, arb: arb1 },21  { weight: 2, arb: arb2 },22  { weight: 3, arb: arb3 },23]);24fc.assert(25  fc.property(arb, (v) => {26    return v >= 1 && v <= 300;27  })28);29const { weightedArbs } = require('fast-check');30const arb1 = fc.integer(1, 100);31const arb2 = fc.integer(101, 200);32const arb3 = fc.integer(201, 300);33const arb = weightedArbs([34  { weight: 1, arb: arb1 },35  { weight: 2, arb: arb2 },36  { weight: 3, arb: arb3 },37]);38fc.assert(39  fc.property(arb, (v) => {40    return v >= 1 && v <= 300;41  })42);43const { weightedArbs } = require('fast-check');44const arb1 = fc.integer(1, 100);45const arb2 = fc.integer(101, 200);46const arb3 = fc.integer(201, 300);47const arb = weightedArbs([48  { weight: 1, arb: arb1 },49  {

Using AI Code Generation

1const { weightedArbs } = require('fast-check');2const { string } = require('fast-check');3const arb1 = string();4const arb2 = string();5const arb3 = string();6const arb = weightedArbs([7  { arb: arb1, weight: 1 },8  { arb: arb2, weight: 2 },9  { arb: arb3, weight: 3 },10]);

Using AI Code Generation

1const { weightedArbs } = require('fast-check');2const { constantFrom } = require('fast-check');3const { Arbitrary } = require('fast-check');4const { property } = require('fast-check');5const { oneof } = require('fast-check');6const { stringOf } = require('fast-check');7const { array } = require('fast-check');8const { tuple } = require('fast-check');9const { record } = require('fast-check');10const { option } = require('fast-check');11const { boolean } = require('fast-check');12const { integer } = require('fast-check');13const { double } = require('fast-check');14const { float } = require('fast-check');15const { date } = require('fast-check');16const { maxSafeInteger } = require('fast-check');17const { minSafeInteger } = require('fast-check');18const { maxSafeFloat } = require('fast-check');19const { minSafeFloat } = require('fast-check');20const { maxSafeDouble } = require('fast-check');21const { minSafeDouble } = require('fast-check');22const { maxSafeIntegerN } = require('fast-check');23const { minSafeIntegerN } = require('fast-check');24const { maxSafeFloatN } = require('fast-check');25const { minSafeFloatN } = require('fast-check');26const { maxSafeDoubleN } = require('fast-check');27const { minSafeDoubleN } = require('fast-check');28const { maxSafeIntegerLog } = require('fast-check');29const { minSafeIntegerLog } = require('fast-check');30const { maxSafeFloatLog } = require('fast-check');31const { minSafeFloatLog } = require('fast-check');32const { maxSafeDoubleLog } = require('fast-check');33const { minSafeDoubleLog } = require('fast-check');34const { maxSafeIntegerLogN } = require('fast-check');35const { minSafeIntegerLogN } = require('fast-check');36const { maxSafeFloatLogN } = require('fast-check');37const { minSafeFloatLogN } = require('fast-check');38const { maxSafeDoubleLogN } = require('fast-check');39const { minSafeDoubleLogN } = require('fast-check');40const { bigInt } = require('fast-check');41const { maxSafeBigInt } = require('fast-check');42const { minSafeBigInt } = require

Using AI Code Generation

1const { weightedArbs } = require('fast-check');2const arb = weightedArbs([3  { weight: 1, arbitrary: fc.string({ minLength: 1, maxLength: 10 }) },4  { weight: 1, arbitrary: fc.integer({ min: 0, max: 100 }) },5  { weight: 1, arbitrary: fc.double({ min: 0, max: 100 }) },6  { weight: 1, arbitrary: fc.boolean() },7  { weight: 1, arbitrary: fc.date() },8  { weight: 1, arbitrary: fc.json() },9  { weight: 1, arbitrary: fc.constantFrom('a', 'b', 'c') },10  { weight: 1, arbitrary: fc.constantFrom(1, 2, 3) },11  { weight: 1, arbitrary: fc.constantFrom(true, false) },12  { weight: 1, arbitrary: fc.constantFrom(new Date(), new Date(0)) },13  { weight: 1, arbitrary: fc.constantFrom({}, { a: 1 }, { b: 2 }) },14  { weight: 1, arbitrary: fc.constantFrom([], [1, 2], [3, 4]) },15  { weight: 1, arbitrary: fc.constantFrom(null, undefined, NaN) },16  { weight: 1, arbitrary: fc.constantFrom(Infinity, -Infinity) },17  { weight: 1, arbitrary: fc.constantFrom(new Set(), new Set([1, 2]), new Set([3, 4])) },18  { weight: 1, arbitrary: fc.constantFrom(new Map(), new Map([[1, 2]]), new Map([[3, 4]])) },19  { weight: 1, arbitrary: fc.constantFrom(new ArrayBuffer(1), new ArrayBuffer(2), new ArrayBuffer(3)) },20  { weight: 1, arbitrary: fc.constantFrom(new Uint8Array(1), new Uint8Array(2), new Uint8Array(3)) },21  { weight: 1, arbitrary: fc.constantFrom(new Int8Array

Using AI Code Generation

1const fc = require('fast-check');2const { weightedArbs } = require('fast-check-monorepo');3const { arb1, arb2 } = weightedArbs({4});5fc.assert(6    fc.property(arb1, (value) => {7        console.log(value);8    })9);10fc.assert(11    fc.property(arb2, (value) => {12        console.log(value);13    })14);15{ name: 'arb1', value: 'a' }16{ name: 'arb2', value: 'b' }17{ name: 'arb1', value: 'a' }18{ name: 'arb2', value: 'b' }19{ name: 'arb2', value: 'b' }20{ name: 'arb1', value: 'a' }21{ name: 'arb2', value: 'b' }22{ name: 'arb2', value: 'b' }23{ name: 'arb2', value: 'b' }24{ name: 'arb1', value: 'a' }25{ name: 'arb2', value: 'b' }26{ name: 'arb2', value: 'b' }27{ name: 'arb2', value: 'b' }28{ name: 'arb2', value: 'b' }

Using AI Code Generation

1const fc = require('fast-check');2const {weightedArbs} = require('fast-check-monorepo');3const arbA = fc.nat(5);4const arbB = fc.nat(5);5const arbC = fc.nat(5);6const arbD = fc.nat(5);7const arbE = fc.nat(5);8const arbF = fc.nat(5);9const arbG = fc.nat(5);10const arbH = fc.nat(5);11const arbI = fc.nat(5);12const arbJ = fc.nat(5);13const arbK = fc.nat(5);14const arbL = fc.nat(5);15const arbM = fc.nat(5);16const arbN = fc.nat(5);17const arbO = fc.nat(5);18const arbP = fc.nat(5);19const arbQ = fc.nat(5);20const arbR = fc.nat(5);21const arbS = fc.nat(5);22const arbT = fc.nat(5);23const arbU = fc.nat(5);24const arbV = fc.nat(5);25const arbW = fc.nat(5);26const arbX = fc.nat(5);27const arbY = fc.nat(5);28const arbZ = fc.nat(5);29const arbAA = fc.nat(5);30const arbAB = fc.nat(5);31const arbAC = fc.nat(5);32const arbAD = fc.nat(5);33const arbAE = fc.nat(5);34const arbAF = fc.nat(5);35const arbAG = fc.nat(5);36const arbAH = fc.nat(5);37const arbAI = fc.nat(5);38const arbAJ = fc.nat(5);39const arbAK = fc.nat(5);40const arbAL = fc.nat(5);41const arbAM = fc.nat(5);42const arbAN = fc.nat(5);43const arbAO = fc.nat(5);44const arbAP = fc.nat(5);45const arbAQ = fc.nat(5);46const arbAR = fc.nat(5);47const arbAS = fc.nat(5);48const arbAT = fc.nat(5);

Using AI Code Generation

1import {weightedArbs} from 'fast-check'2const {integer} = require('fast-check')3const {weightedArbs} = require('fast-check')4const {integer} = require('fast-check')5const weightedArray = weightedArbs(array, 100)6const randomArray = integer(1, 5).array()

Using AI Code Generation

1const fc = require('fast-check');2const arb = fc.weightedArbs([3  { weight: 1, arbitrary: fc.string() },4  { weight: 1, arbitrary: fc.integer() },5  { weight: 1, arbitrary: fc.boolean() },6]);7const run = () => {8  fc.assert(9    fc.property(arb, (x) => {10      console.log(x);11      return true;12    })13  );14};15run();

Using AI Code Generation

1const fc = require('fast-check');2const { weightedArbs } = require('fast-check');3    { weight: 1, arb: fc.string() },4    { weight: 1, arb: fc.integer() },5    { weight: 1, arb: fc.constantFrom('a', 'b', 'c') },6    { weight: 1, arb: fc.float() },7    { weight: 1, arb: fc.boolean() },8    { weight: 1, arb: fc.nat() },9    { weight: 1, arb: fc.double() },10    { weight: 1, arb: fc.hexa(

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