How to use experimentalCustomSlices method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

stringOf.ts

Source:stringOf.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { array, ArrayConstraintsInternal } from './array';3import { StringSharedConstraints } from './_shared/StringSharedConstraints';4import { patternsToStringMapper, patternsToStringUnmapperFor } from './_internals/mappers/PatternsToString';5import { createSlicesForString } from './_internals/helpers/SlicesForStringBuilder';6export { StringSharedConstraints } from './_shared/StringSharedConstraints';7const safeObjectAssign = Object.assign;8/**9 * For strings using the characters produced by `charArb`10 *11 * @param charArb - Arbitrary able to generate random strings (possibly multiple characters)12 * @param constraints - Constraints to apply when building instances (since 2.4.0)13 *14 * @remarks Since 1.1.315 * @public16 */17export function stringOf(charArb: Arbitrary<string>, constraints: StringSharedConstraints = {}): Arbitrary<string> {18  const unmapper = patternsToStringUnmapperFor(charArb, constraints);19  const experimentalCustomSlices = createSlicesForString(charArb, unmapper);20  // TODO - Move back to object spreading as soon as we bump support from es2017 to es2018+21  const enrichedConstraints: ArrayConstraintsInternal<string> = safeObjectAssign(safeObjectAssign({}, constraints), {22    experimentalCustomSlices,23  });24  return array(charArb, enrichedConstraints).map(patternsToStringMapper, unmapper);...

string16bits.ts

Source:string16bits.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { array, ArrayConstraintsInternal } from './array';3import { char16bits } from './char16bits';4import { StringSharedConstraints } from './_shared/StringSharedConstraints';5import { charsToStringMapper, charsToStringUnmapper } from './_internals/mappers/CharsToString';6import { createSlicesForString } from './_internals/helpers/SlicesForStringBuilder';7export { StringSharedConstraints } from './_shared/StringSharedConstraints';8const safeObjectAssign = Object.assign;9/**10 * For strings of {@link char16bits}11 *12 * @param constraints - Constraints to apply when building instances (since 2.4.0)13 *14 * @remarks Since 0.0.1115 * @public16 */17export function string16bits(constraints: StringSharedConstraints = {}): Arbitrary<string> {18  const charArbitrary = char16bits();19  const experimentalCustomSlices = createSlicesForString(charArbitrary, charsToStringUnmapper);20  // TODO - Move back to object spreading as soon as we bump support from es2017 to es2018+21  const enrichedConstraints: ArrayConstraintsInternal<string> = safeObjectAssign(safeObjectAssign({}, constraints), {22    experimentalCustomSlices,23  });24  return array(charArbitrary, enrichedConstraints).map(charsToStringMapper, charsToStringUnmapper);...

string.ts

Source:string.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { array, ArrayConstraintsInternal } from './array';3import { char } from './char';4import { StringSharedConstraints } from './_shared/StringSharedConstraints';5import { codePointsToStringMapper, codePointsToStringUnmapper } from './_internals/mappers/CodePointsToString';6import { createSlicesForString } from './_internals/helpers/SlicesForStringBuilder';7export { StringSharedConstraints } from './_shared/StringSharedConstraints';8const safeObjectAssign = Object.assign;9/**10 * For strings of {@link char}11 *12 * @param constraints - Constraints to apply when building instances (since 2.4.0)13 *14 * @remarks Since 0.0.115 * @public16 */17export function string(constraints: StringSharedConstraints = {}): Arbitrary<string> {18  const charArbitrary = char();19  const experimentalCustomSlices = createSlicesForString(charArbitrary, codePointsToStringUnmapper);20  // TODO - Move back to object spreading as soon as we bump support from es2017 to es2018+21  const enrichedConstraints: ArrayConstraintsInternal<string> = safeObjectAssign(safeObjectAssign({}, constraints), {22    experimentalCustomSlices,23  });24  return array(charArbitrary, enrichedConstraints).map(codePointsToStringMapper, codePointsToStringUnmapper);...

Using AI Code Generation

1const fc = require('fast-check');2const customSlices = fc.experimentalCustomSlices();3  .slice(1, 2)4  .array(5      .slice(1, 2)6      .array(customSlices.integer(0, 10), 1, 10)7      .map((a) => a[0])8  .map((a) => a[0]);9const out = fc.sample(arb, 1, 1);10console.log(out);11const fc = require('fast-check');12const customSlices = fc.customSlices();13  .slice(1, 2)14  .array(15      .slice(1, 2)16      .array(customSlices.integer(0, 10), 1, 10)17      .map((a) => a[0])18  .map((a) => a[0]);19const out = fc.sample(arb, 1, 1);20console.log(out);

Using AI Code Generation

1const fc = require('fast-check');2const { experimentalCustomSlices } = require('fast-check');3const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];4const customSlices = experimentalCustomSlices(array);5fc.assert(6  fc.property(customSlices(), (slices) => {7    let sum = 0;8    for (const slice of slices) {9      sum += slice.reduce((a, b) => a + b, 0);10    }11    return sum === array.reduce((a, b) => a + b, 0);12  })13);14const fc = require('fast-check');15const { experimentalCustomSlices } = require('fast-check');16const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];17const customSlices = experimentalCustomSlices(array);18fc.assert(19  fc.property(customSlices(), (slices) => {20    let sum = 0;21    for (const slice of slices) {22      sum += slice.reduce((a, b) => a + b, 0);23    }24    return sum === array.reduce((a, b) => a + b, 0);25  })26);27const fc = require('fast-check');28const { experimentalCustomSlices } = require('fast-check');29const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];30const customSlices = experimentalCustomSlices(array);31fc.assert(32  fc.property(customSlices(), (slices) => {33    let sum = 0;34    for (const slice of slices) {35      sum += slice.reduce((a, b) => a + b, 0);36    }37    return sum === array.reduce((a, b) => a + b, 0);38  })39);

Using AI Code Generation

1import { experimentalCustomSlices } from 'fast-check-monorepo';2const slice1 = experimentalCustomSlices();3const slice2 = experimentalCustomSlices();4const fc = require('fast-check');5const property = fc.property(fc.integer(), fc.integer(), (a, b) => {6    console.log('a: ', a);7    console.log('b: ', b);8    console.log('a + b: ', a + b);9    console.log('a * b: ', a * b);10    return a + b === a * b;11});12fc.assert(property, { seed: 42, numRuns: 1 });

Using AI Code Generation

1const fc = require("fast-check");2const arbs = require("fast-check/lib/arbitrary/_internals/ArbitraryBuilder.js");3const stringOfLength = (length) => {4    .stringOf(arbs.char16bits(), length)5    .map((s) => s.split("").join(""));6};7const customSlice = (s, start, end) => {8  const arr = s.split("");9  return arr.slice(start, end).join("");10};11const customShrink = (s) => {12  const arr = s.split("");13  return arr.map((c) => arr.filter((e) => e !== c).join(""));14};15const customShrinkable = (s) => {16  return fc.shrinkable(s, () => customShrink(s));17};18const customArb = (length) => {19    .stringOf(arbs.char16bits(), length)20    .map((s) => customShrinkable(s));21};22const customArb2 = (length) => {23    .stringOf(arbs.char16bits(), length)24    .map((s) => customShrinkable(s))25    .withBias(0.5);26};27const customArb3 = (length) => {28    .stringOf(arbs.char16bits(), length)29    .map((s) => customShrinkable(s))30    .withBias(0.5);31};32const customArb4 = (length) => {33    .stringOf(arbs.char16bits(), length)34    .map((s) => customShrinkable(s))35    .withBias(0.5);36};37const customArb5 = (length) => {38    .stringOf(arbs.char16bits(), length)39    .map((s) => customShrinkable(s))40    .withBias(0.5);41};42const customArb6 = (length) => {43    .stringOf(arbs.char16bits(), length)44    .map((s) => customShrinkable(s))45    .withBias(0.5);46};47const customArb7 = (length) => {48    .stringOf(arbs.char16bits(), length)49    .map((s) =>

Using AI Code Generation

1import { experimentalCustomSlices } from "./fast-check-monorepo/src/check/arbitrary/definition/ExperimentalCustomSlices.js";2import { integer } from "./fast-check-monorepo/src/check/arbitrary/IntegerArbitrary.js";3import { array } from "./fast-check-monorepo/src/check/arbitrary/ArrayArbitrary.js";4import { tuple } from "./fast-check-monorepo/src/check/arbitrary/TupleArbitrary.js";5const generateSlice = (size) => {6  return experimentalCustomSlices(7    array(integer(0, 100), size),8    (arr) => {9      return array(tuple(arr, arr), size);10    },11  );12};13const generateSlices = (size) => {14  return experimentalCustomSlices(15    array(integer(0, 100), size),16    (arr) => {17      return array(tuple(arr, arr), size);18    },19  );20};21const generateSlices2 = (size) => {22  return experimentalCustomSlices(23    array(integer(0, 100), size),24    (arr) => {25      return array(tuple(arr, arr), size);26    },27  );28};29const generateSlices3 = (size) => {30  return experimentalCustomSlices(31    array(integer(0, 100), size),32    (arr) => {33      return array(tuple(arr, arr), size);34    },35  );36};37const generateSlices4 = (size) => {38  return experimentalCustomSlices(39    array(integer(0, 100), size),40    (arr) => {41      return array(tuple(arr, arr), size);42    },43  );44};45const generateSlices5 = (size) => {46  return experimentalCustomSlices(47    array(integer(0, 100), size),48    (arr) => {49      return array(tuple(arr, arr), size);50    },51  );52};53const generateSlices6 = (size) => {

Using AI Code Generation

1const fc = require("fast-check");2const { experimentalCustomSlices } = require("../lib/fast-check");3const { property } = fc;4const mySlices = experimentalCustomSlices({5    { length: 0, gen: fc.nat() },6    { length: 1, gen: fc.nat() },7});8const myArrayArb = fc.array(fc.nat(), 0, 2, mySlices);9const myTupleArb = fc.tuple(myArrayArb, fc.nat());10property(myTupleArb, ([a, b]) => {11  return a.length <= 1;12}).check();13property(myTupleArb, ([a, b]) => {14  return a.length <= 2;15}).check();16property(myTupleArb, ([a, b]) => {17  return a.length <= 3;18}).check();19property(myTupleArb, ([a, b]) => {20  return a.length <= 2;21}).check();

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.