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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();

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