How to use maxGeneratedNumElements method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

sparseArray.ts

Source:sparseArray.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { Array, safeMap, safeSlice } from '../utils/globals';3import { tuple } from './tuple';4import { uniqueArray } from './uniqueArray';5import { restrictedIntegerArbitraryBuilder } from './_internals/builders/RestrictedIntegerArbitraryBuilder';6import { DepthIdentifier } from './_internals/helpers/DepthContext';7import {8  maxGeneratedLengthFromSizeForArbitrary,9  MaxLengthUpperBound,10  SizeForArbitrary,11} from './_internals/helpers/MaxLengthFromMinLength';12const safeMathMin = Math.min;13const safeMathMax = Math.max;14const safeArrayIsArray = Array.isArray;15const safeObjectEntries = Object.entries;16/**17 * Constraints to be applied on {@link sparseArray}18 * @remarks Since 2.13.019 * @public20 */21export interface SparseArrayConstraints {22  /**23   * Upper bound of the generated array size (maximal size: 4294967295)24   * @remarks Since 2.13.025   */26  maxLength?: number;27  /**28   * Lower bound of the number of non-hole elements29   * @remarks Since 2.13.030   */31  minNumElements?: number;32  /**33   * Upper bound of the number of non-hole elements34   * @remarks Since 2.13.035   */36  maxNumElements?: number;37  /**38   * When enabled, all generated arrays will either be the empty array or end by a non-hole39   * @remarks Since 2.13.040   */41  noTrailingHole?: boolean;42  /**43   * Define how large the generated values should be (at max)44   * @remarks Since 2.22.045   */46  size?: SizeForArbitrary;47  /**48   * When receiving a depth identifier, the arbitrary will impact the depth49   * attached to it to avoid going too deep if it already generated lots of items.50   *51   * In other words, if the number of generated values within the collection is large52   * then the generated items will tend to be less deep to avoid creating structures a lot53   * larger than expected.54   *55   * For the moment, the depth is not taken into account to compute the number of items to56   * define for a precise generate call of the array. Just applied onto eligible items.57   *58   * @remarks Since 2.25.059   */60  depthIdentifier?: DepthIdentifier | string;61}62/** @internal */63function extractMaxIndex(indexesAndValues: [number, unknown][]) {64  let maxIndex = -1;65  for (let index = 0; index !== indexesAndValues.length; ++index) {66    maxIndex = safeMathMax(maxIndex, indexesAndValues[index][0]);67  }68  return maxIndex;69}70/** @internal */71function arrayFromItems<T>(length: number, indexesAndValues: [number, T][]) {72  const array = Array<T>(length);73  for (let index = 0; index !== indexesAndValues.length; ++index) {74    const it = indexesAndValues[index];75    if (it[0] < length) array[it[0]] = it[1];76  }77  return array;78}79/**80 * For sparse arrays of values coming from `arb`81 * @param arb - Arbitrary used to generate the values inside the sparse array82 * @param constraints - Constraints to apply when building instances83 * @remarks Since 2.13.084 * @public85 */86export function sparseArray<T>(arb: Arbitrary<T>, constraints: SparseArrayConstraints = {}): Arbitrary<T[]> {87  const {88    size,89    minNumElements = 0,90    maxLength = MaxLengthUpperBound,91    maxNumElements = maxLength, // cap maxNumElements to maxLength92    noTrailingHole,93    depthIdentifier,94  } = constraints;95  const maxGeneratedNumElements = maxGeneratedLengthFromSizeForArbitrary(96    size,97    minNumElements,98    maxNumElements,99    constraints.maxNumElements !== undefined100  );101  const maxGeneratedLength = maxGeneratedLengthFromSizeForArbitrary(102    size,103    maxGeneratedNumElements,104    maxLength,105    constraints.maxLength !== undefined106  );107  if (minNumElements > maxLength) {108    throw new Error(`The minimal number of non-hole elements cannot be higher than the maximal length of the array`);109  }110  if (minNumElements > maxNumElements) {111    throw new Error(`The minimal number of non-hole elements cannot be higher than the maximal number of non-holes`);112  }113  const resultedMaxNumElements = safeMathMin(maxNumElements, maxLength);114  const resultedSizeMaxNumElements = constraints.maxNumElements !== undefined || size !== undefined ? size : '=';115  const maxGeneratedIndexAuthorized = safeMathMax(maxGeneratedLength - 1, 0); // just preventing special case for maxGeneratedLength=0116  const maxIndexAuthorized = safeMathMax(maxLength - 1, 0); // just preventing special case for maxLength=0117  const sparseArrayNoTrailingHole = uniqueArray(118    tuple(restrictedIntegerArbitraryBuilder(0, maxGeneratedIndexAuthorized, maxIndexAuthorized), arb),119    {120      size: resultedSizeMaxNumElements,121      minLength: minNumElements,122      maxLength: resultedMaxNumElements,123      selector: (item) => item[0],124      depthIdentifier,125    }126  ).map(127    (items) => {128      // When maxLength=0 (implies resultedMaxNumElements=0) we will have items=[] leading to lastIndex=-1129      // resulting in an empty array130      const lastIndex = extractMaxIndex(items);131      return arrayFromItems(lastIndex + 1, items);132    },133    (value: unknown): [number, T][] => {134      if (!safeArrayIsArray(value)) {135        throw new Error('Not supported entry type');136      }137      if (noTrailingHole && value.length !== 0 && !(value.length - 1 in value)) {138        throw new Error('No trailing hole');139      }140      return safeMap(safeObjectEntries(value as T[]), (entry): [number, T] => [Number(entry[0]), entry[1]]);141    }142  );143  if (noTrailingHole || maxLength === minNumElements) {144    return sparseArrayNoTrailingHole;145  }146  return tuple(147    sparseArrayNoTrailingHole,148    restrictedIntegerArbitraryBuilder(minNumElements, maxGeneratedLength, maxLength)149  ).map(150    (data) => {151      const sparse = data[0];152      const targetLength = data[1];153      if (sparse.length >= targetLength) {154        return sparse;155      }156      const longerSparse = safeSlice(sparse);157      longerSparse.length = targetLength;158      return longerSparse;159    },160    (value: unknown): [T[], number] => {161      if (!safeArrayIsArray(value)) {162        throw new Error('Not supported entry type');163      }164      return [value, value.length];165    }166  );...

Using AI Code Generation

1const fc = require('fast-check');2const { maxGeneratedNumElements } = require('fast-check-monorepo');3const arb = fc.array(fc.nat(), 0, 100);4fc.assert(5  fc.property(arb, maxGeneratedNumElements(1000, (array) => array.length > 100))6);

Using AI Code Generation

1const fc = require('fast-check');2const maxNum = fc.maxGeneratedNumElements(1000);3const prop = fc.property(fc.integer(), fc.integer(), (a, b) => {4  return a + b === b + a;5});6const out = fc.check(prop, { numRuns: maxNum });7console.log(out);8const fc = require('fast-check');9const maxNum = fc.maxGeneratedNumElements(1000);10const prop = fc.property(fc.integer(), fc.integer(), (a, b) => {11  return a + b === b + a;12});13const out = fc.check(prop, { numRuns: maxNum });14console.log(out);15const fc = require('fast-check');16const maxNum = fc.maxGeneratedNumElements(1000);17const prop = fc.property(fc.integer(), fc.integer(), (a, b) => {18  return a + b === b + a;19});20const out = fc.check(prop, { numRuns: maxNum });21console.log(out);22const fc = require('fast-check');23const maxNum = fc.maxGeneratedNumElements(1000);24const prop = fc.property(fc.integer(), fc.integer(), (a, b) => {25  return a + b === b + a;26});27const out = fc.check(prop, { numRuns: maxNum });28console.log(out);

Using AI Code Generation

1const fc = require('fast-check');2fc.assert(3  fc.property(fc.array(fc.integer()), arr => {4    return arr.length <= 10;5  })6);7    at Object.property (C:\Users\HP\Documents\fast-check-monorepo\node_modules\fast-check\lib\check\property\Property.js:23:19)8    at Object. (C:\Users\HP\Documents\fast-check-monorepo\test3.js:8:8)9    at Module._compile (internal/modules/cjs/loader.js:1138:30)10    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)11    at Module.load (internal/modules/cjs/loader.js:985:32)12    at Function.Module._load (internal/modules/cjs/loader.js:878:14)13    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)

Using AI Code Generation

1const { array, integer } = require('fast-check');2const { maxGeneratedNumElements } = require('fast-check/lib/arbitrary/_internals/helpers/MaxGeneratedElements');3const { random } = require('fast-check/lib/random/generator/Random');4const { Random } = require('fast-check/lib/random/Random');5const { RandomArray } = require('fast-check/lib/random/array/RandomArray');6const { RandomNumber } = require('fast-check/lib/random/number/RandomNumber');7const { RandomInteger } = require('fast-check/lib/random/integer/RandomInteger');8const { RandomBoolean } = require('fast-check/lib/random/boolean/RandomBoolean');9const { RandomString } = require('fast-check/lib/random/string/RandomString');10const { RandomObject } = require('fast-check/lib/random/object/RandomObject');11const { RandomJson } = require('fast-check/lib/random/json/RandomJson');12const { RandomValue } = require('fast-check/lib/random/value/RandomValue');13const { RandomUnicodeArray } = require('fast-check/lib/random/unicode/RandomUnicodeArray');14const { RandomUnicodeString } = require('fast-check/lib/random/unicode/RandomUnicodeString');15const { RandomUnicodeJsonObject } = require('fast-check/lib/random/unicode/RandomUnicodeJsonObject');16const { RandomUnicodeJsonValue } = require('fast-check/lib/random/unicode/RandomUnicodeJsonValue');17const { RandomUnicodeJson } = require('fast-check/lib/random/unicode/RandomUnicodeJson');18const { RandomUnicode } = require('fast-check/lib/random/unicode/RandomUnicode');19const { RandomSubarray } = require('fast-check/lib/random/array/RandomSubarray');20const { RandomSet } = require('fast-check/lib/random/set/RandomSet');21const { RandomMap } = require('fast-check/lib/random/map/RandomMap');22const { RandomObjectKeys } = require('fast-check/lib/random/object/RandomObjectKeys');23const { RandomObjectValues } = require('fast-check/lib/random/object/RandomObjectValues');24const { RandomUnicodeStringArray } = require('fast-check/lib/random/unicode/RandomUnicodeStringArray');25const { RandomUnicodeStringObject } = require('fast-check/lib/random/unicode/RandomUnicodeStringObject');26const { RandomUnicodeStringObjectKeys } = require('

Using AI Code Generation

1const fc = require('fast-check');2let maxGeneratedNumElements = 0;3const checkNumElements = (numElements) => {4    if (numElements > maxGeneratedNumElements) {5        maxGeneratedNumElements = numElements;6    }7}8const generateArray = (length) => {9    return fc.array(fc.nat(), length, length);10}11const generateArrayOfStrings = (length) => {12    return fc.array(fc.string(), length, length);13}14const generateArrayOfBooleans = (length) => {15    return fc.array(fc.boolean(), length, length);16}17const generateArrayOfObjects = (length) => {18    return fc.array(fc.object(), length, length);19}20const generateArrayOfArrays = (length) => {21    return fc.array(fc.array(fc.nat()), length, length);22}23const generateArrayOfArraysOfArrays = (length) => {24    return fc.array(fc.array(fc.array(fc.nat())), length, length);25}26const generateArrayOfArraysOfArraysOfArrays = (length) => {27    return fc.array(fc.array(fc.array(fc.array(fc.nat()))), length, length);28}29const generateArrayOfArraysOfArraysOfArraysOfArrays = (length) => {30    return fc.array(fc.array(fc.array(fc.array(fc.array(fc.nat())))), length, length);31}32const generateArrayOfArraysOfArraysOfArraysOfArraysOfArrays = (length) => {33    return fc.array(fc.array(fc.array(fc.array(fc.array(fc.array(fc.nat()))))), length, length);34}35const generateArrayOfArraysOfArraysOfArraysOfArraysOfArraysOfArrays = (length) => {36    return fc.array(fc.array(fc.array(fc.array(fc.array(fc.array(fc.array

Using AI Code Generation

1const fc = require('fast-check');2const randomArray = fc.array(fc.integer(0, 100), { maxLength: 10 });3console.log(randomArray);4const fc = require('fast-check');5const randomArray = fc.array(fc.array(fc.integer(0, 100), { maxLength: 10 }), { maxLength: 10 });6console.log(randomArray);7const fc = require('fast-check');8const randomArray = fc.array(fc.array(fc.integer(0, 100), { maxLength: 10 }), { maxLength: 10 });9console.log(randomArray);10const fc = require('fast-check');11const randomArray = fc.array(fc.array(fc.integer(0, 100), { maxLength: 10 }), { maxLength: 10 });12console.log(randomArray);

Using AI Code Generation

1const {maxGeneratedNumElements} = require('fast-check');2function myFunction(arr) {3    let newArr = [];4    for (let i = 0; i < arr.length; i++) {5        if (arr[i] % 2 === 0) {6            newArr.push(arr[i]);7        }8    }9    return newArr;10}11function myFunction2(arr) {12    return arr.filter((elem) => {13        return elem % 2 === 0;14    });15}16function myFunction3(arr) {17    return arr.filter((elem) => elem % 2 === 0);18}19function myFunction4(arr) {20    return arr.filter(elem => elem % 2 === 0);21}22function myFunction5(arr) {23    return arr.filter(elem => elem % 2);24}25function myFunction6(arr) {26    return arr.filter(elem => elem % 2 === 1);27}28function myFunction7(arr) {29    return arr.filter(elem => elem % 2 === 2);30}

Using AI Code Generation

1const fc = require('fast-check');2const maxGenNumElements = fc.maxGeneratedNumElements;3const n = 10;4const maxNumElements = maxGenNumElements(n);5console.log(maxNumElements);6const fc = require('fast-check');7const maxGenNumElements = fc.maxGeneratedNumElements;8const n = 100;9const maxNumElements = maxGenNumElements(n);10console.log(maxNumElements);11const fc = require('fast-check');12const maxGenNumElements = fc.maxGeneratedNumElements;13const n = 1000;14const maxNumElements = maxGenNumElements(n);15console.log(maxNumElements);16const fc = require('fast-check');17const maxGenNumElements = fc.maxGeneratedNumElements;18const n = 10000;19const maxNumElements = maxGenNumElements(n);20console.log(maxNumElements);21const fc = require('fast-check');22const maxGenNumElements = fc.maxGeneratedNumElements;23const n = 100000;24const maxNumElements = maxGenNumElements(n);25console.log(maxNumElements);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.