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How to use indexToCharStringUnmapper method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

IndexToCharString.spec.ts

Source:IndexToCharString.spec.ts

2import { indexToCharStringUnmapper } from '../../../../../src/arbitrary/_internals/mappers/IndexToCharString';3describe('indexToCharStringUnmapper', () => {4  it('should reject empty string', () => {5    // Arrange / Act / Assert6    expect(() => indexToCharStringUnmapper('')).toThrowError();7  });8  it('should reject invalid pairs', () => {9    // Arrange / Act / Assert10    expect(() => indexToCharStringUnmapper('\ud800\ud800')).toThrowError();11    expect(() => indexToCharStringUnmapper('a\ud800')).toThrowError();12    expect(() => indexToCharStringUnmapper('\udfff\ud800')).toThrowError();13  });14  it('should reject any longer than 1 code-point strings', () =>15    fc.assert(16      fc.property(fc.fullUnicodeString({ minLength: 2 }), (s) => {17        // Arrange / Act / Assert18        expect(() => indexToCharStringUnmapper(s)).toThrowError();19      })20    ));21  it('should accept any 1 code-point string', () =>22    fc.assert(23      fc.property(fc.fullUnicode(), (c) => {24        // Arrange / Act / Assert25        expect(indexToCharStringUnmapper(c)).toBe(c.codePointAt(0));26      })27    ));28  it('should accept any 1 char string (including half-surrogates)', () =>29    fc.assert(30      fc.property(fc.char16bits(), (c) => {31        // Arrange / Act / Assert32        expect(indexToCharStringUnmapper(c)).toBe(c.charCodeAt(0));33      })34    ));...

IndexToCharString.ts

Source:IndexToCharString.ts

1import { safeCharCodeAt } from '../../../utils/globals';2/** @internal */3export const indexToCharStringMapper = String.fromCodePoint;4/** @internal */5export function indexToCharStringUnmapper(c: unknown): number {6  if (typeof c !== 'string') {7    throw new Error('Cannot unmap non-string');8  }9  if (c.length === 0 || c.length > 2) {10    throw new Error('Cannot unmap string with more or less than one character');11  }12  const c1 = safeCharCodeAt(c, 0);13  if (c.length === 1) {14    return c1; // partial surrogate is ok15  }16  const c2 = safeCharCodeAt(c, 1);17  if (c1 < 0xd800 || c1 > 0xdbff || c2 < 0xdc00 || c2 > 0xdfff) {18    throw new Error('Cannot unmap invalid surrogate pairs');19  }...

CharacterArbitraryBuilder.ts

Source:CharacterArbitraryBuilder.ts

...9  unmapFromCode: (v: number) => number10): Arbitrary<string> {11  return integer({ min, max }).map(12    (n) => indexToCharStringMapper(mapToCode(n)),13    (c) => unmapFromCode(indexToCharStringUnmapper(c))14  );...

Using AI Code Generation

1const fc = require('fast-check');2const {indexToCharStringUnmapper} = require('fast-check-monorepo/src/check/arbitrary/CharacterArbitrary.ts');3const charStringUnmapper = indexToCharStringUnmapper();4const index = 100;5const char = charStringUnmapper(index);6console.log(char);7const fc = require('fast-check');8const {indexToCharStringUnmapper} = require('fast-check-monorepo/src/check/arbitrary/CharacterArbitrary.ts');9const charStringUnmapper = indexToCharStringUnmapper();10const index = 100;11const char = charStringUnmapper(index);12console.log(char);13const fc = require('fast-check');14const {indexToCharStringUnmapper} = require('fast-check-monorepo/src/check/arbitrary/CharacterArbitrary.ts');15const charStringUnmapper = indexToCharStringUnmapper();16const index = 100;17const char = charStringUnmapper(index);18console.log(char);19const fc = require('fast-check');20const {indexToCharStringUnmapper} = require('fast-check-monorepo/src/check/arbitrary/CharacterArbitrary.ts');21const charStringUnmapper = indexToCharStringUnmapper();22const index = 100;23const char = charStringUnmapper(index);24console.log(char);25const fc = require('fast-check');26const {indexToCharStringUnmapper} = require('fast-check-monorepo/src/check/arbitrary/CharacterArbitrary.ts');27const charStringUnmapper = indexToCharStringUnmapper();28const index = 100;29const char = charStringUnmapper(index);

Using AI Code Generation

1const fc = require('fast-check');2const { indexToCharStringUnmapper } = require('fast-check-monorepo');3const { indexToCharString } = require('fast-check-monorepo');4const { charToIndex } = require('fast-check-monorepo');5fc.assert(6  fc.property(fc.nat(), fc.nat(), (i, j) => {7    const str = indexToCharString(i);8    const str2 = indexToCharString(j);9    console.log(`i: ${i}, str: ${str}, j: ${j}, str2: ${str2}`);10    const i2 = charToIndex(str);11    const j2 = charToIndex(str2);12    console.log(`i2: ${i2}, j2: ${j2}`);13    return i === i2 && j === j2;14  }),15  { verbose: true, seed: 1, path: 'test3.js', endOnFailure: true }16);17const fc = require('fast-check');18const { indexToCharStringUnmapper } = require('fast-check-monorepo');19const { indexToCharString } = require('fast-check-monorepo');20const { charToIndex } = require('fast-check-monorepo');21fc.assert(22  fc.property(fc.nat(), fc.nat(), (i, j) => {23    const str = indexToCharString(i);24    const str2 = indexToCharString(j);25    console.log(`i: ${i}, str: ${str}, j: ${j}, str2: ${str2}`);26    const i2 = charToIndex(str);27    const j2 = charToIndex(str2);28    console.log(`i2: ${i2}, j2: ${j2}`);29    return i === i2 && j === j2;30  }),31  { verbose: true, seed: 1, path: 'test4.js', endOnFailure: true }32);33const fc = require('fast-check');34const { indexToCharStringUnmapper } = require('fast-check-monorepo');35const { indexToCharString } = require('fast-check-monorepo');

Using AI Code Generation

1const { indexToCharStringUnmapper } = require('fast-check');2const myString = 'Hello World';3const myUnmappedString = indexToCharStringUnmapper(myString);4const { charStringToIndexMapper } = require('fast-check');5const myUnmappedString = '0-4,6-10,12';6const myString = charStringToIndexMapper(myString);7const { indexToCharStringUnmapper } = require('fast-check');8const { charStringToIndexMapper } = require('fast-check');9const myString = 'Hello World';10const myUnmappedString = indexToCharStringUnmapper(myString);11const myModifiedUnmappedString = myUnmappedString.replace(/-/g, ' ');12const myModifiedString = charStringToIndexMapper(myModifiedUnmappedString);13const { indexToCharStringUnmapper } = require('fast-check');14const { charStringToIndexMapper } = require('fast-check');15const myString = 'Hello World';16const myUnmappedString = indexToCharStringUnmapper(myString);17const myModifiedUnmappedString = myUnmappedString.replace(/-/g, ' ');

Using AI Code Generation

1const { indexToCharStringUnmapper } = require("fast-check");2const unmapper = indexToCharStringUnmapper(10);3const value = unmapper(10000000000);4console.log(value);5import * as fc from "fast-check";6import { indexToCharStringUnmapper } from "fast-check";7const unmapper = indexToCharStringUnmapper(10);8const value = unmapper(10000000000);9console.log(value);10import * as fc from "fast-check";11  .stringOf(fc.char(), 5, 10)12  .map((s) => s + "abc")13  .noBias()14  .noShrink();15console.log(randomString);16import * as fc from "fast-check";17  .stringOf(fc.char(), 5, 10)18  .map((s) => s + "abc")19  .noBias()20  .noShrink();21console.log(randomString);

Using AI Code Generation

1const { indexToCharStringUnmapper } = require('./index');2const myResult = indexToCharStringUnmapper(myIndex, myString);3console.log(myResult);4const { indexToCharStringUnmapper } = require('./index');5const myResult = indexToCharStringUnmapper(myIndex, myString);6console.log(myResult);7const { indexToCharStringUnmapper } = require('./index');8const myResult = indexToCharStringUnmapper(myIndex, myString);9console.log(myResult);10const { indexToCharStringUnmapper } = require('./index');11const myResult = indexToCharStringUnmapper(myIndex, myString);12console.log(myResult);

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