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How to use buildCharacterArbitrary method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ascii.spec.ts

Source:ascii.spec.ts

1import * as fc from 'fast-check';2import { ascii } from '../../../src/arbitrary/ascii';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import * as CharacterArbitraryBuilderMock from '../../../src/arbitrary/_internals/builders/CharacterArbitraryBuilder';5import {6  assertProduceValuesShrinkableWithoutContext,7  assertProduceCorrectValues,8  assertShrinkProducesSameValueWithoutInitialContext,9  assertShrinkProducesStrictlySmallerValue,10  assertProduceSameValueGivenSameSeed,11} from './__test-helpers__/ArbitraryAssertions';12function beforeEachHook() {13  jest.resetModules();14  jest.restoreAllMocks();15  fc.configureGlobal({ beforeEach: beforeEachHook });16}17beforeEach(beforeEachHook);18describe('ascii', () => {19  it('should be able to unmap any mapped value', () => {20    // Arrange21    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(ascii);22    // Act / Assert23    fc.assert(24      fc.property(fc.integer({ min, max }), (n) => {25        expect(unmapFromCode(mapToCode(n))).toBe(n);26      })27    );28  });29  it('should always unmap outside of the range for values it could not have generated', () => {30    // Arrange31    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(ascii);32    const allPossibleValues = new Set([...Array(max - min + 1)].map((_, i) => mapToCode(i + min)));33    // Act / Assert34    fc.assert(35      // [0, 1112063] is the range requested by fullUnicode36      fc.property(fc.oneof(fc.integer({ min: -1, max: 1112064 }), fc.maxSafeInteger()), (code) => {37        fc.pre(!allPossibleValues.has(code)); // not a possible code for our mapper38        const unmapped = unmapFromCode(code);39        expect(unmapped < min || unmapped > max).toBe(true);40      })41    );42  });43});44describe('ascii (integration)', () => {45  const isCorrect = (value: string) => value.length === 1 && 0x00 <= value.charCodeAt(0) && value.charCodeAt(0) <= 0x7f;46  const isStrictlySmaller = (c1: string, c2: string) => remapCharToIndex(c1) < remapCharToIndex(c2);47  const asciiBuilder = () => ascii();48  it('should produce the same values given the same seed', () => {49    assertProduceSameValueGivenSameSeed(asciiBuilder);50  });51  it('should only produce correct values', () => {52    assertProduceCorrectValues(asciiBuilder, isCorrect);53  });54  it('should produce values seen as shrinkable without any context', () => {55    assertProduceValuesShrinkableWithoutContext(asciiBuilder);56  });57  it('should be able to shrink to the same values without initial context', () => {58    assertShrinkProducesSameValueWithoutInitialContext(asciiBuilder);59  });60  it('should preserve strictly smaller ordering in shrink', () => {61    assertShrinkProducesStrictlySmallerValue(asciiBuilder, isStrictlySmaller);62  });63});64// Helpers65function extractArgumentsForBuildCharacter(build: () => void) {66  const { instance } = fakeArbitrary();67  const buildCharacterArbitrary = jest.spyOn(CharacterArbitraryBuilderMock, 'buildCharacterArbitrary');68  buildCharacterArbitrary.mockImplementation(() => instance);69  build();70  const [min, max, mapToCode, unmapFromCode] = buildCharacterArbitrary.mock.calls[0];71  return { min, max, mapToCode, unmapFromCode };72}73function remapCharToIndex(c: string): number {74  const cp = c.codePointAt(0)!;75  if (cp >= 0x20 && cp <= 0x7e) return cp - 0x20;76  if (cp < 0x20) return cp + 0x7e - 0x20 + 1;77  return cp;...

hexa.spec.ts

Source:hexa.spec.ts

1import * as fc from 'fast-check';2import { hexa } from '../../../src/arbitrary/hexa';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import * as CharacterArbitraryBuilderMock from '../../../src/arbitrary/_internals/builders/CharacterArbitraryBuilder';5import {6  assertProduceValuesShrinkableWithoutContext,7  assertProduceCorrectValues,8  assertShrinkProducesSameValueWithoutInitialContext,9  assertShrinkProducesStrictlySmallerValue,10  assertProduceSameValueGivenSameSeed,11} from './__test-helpers__/ArbitraryAssertions';12function beforeEachHook() {13  jest.resetModules();14  jest.restoreAllMocks();15  fc.configureGlobal({ beforeEach: beforeEachHook });16}17beforeEach(beforeEachHook);18describe('hexa', () => {19  it('should be able to unmap any mapped value', () => {20    // Arrange21    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(hexa);22    // Act / Assert23    fc.assert(24      fc.property(fc.integer({ min, max }), (n) => {25        expect(unmapFromCode(mapToCode(n))).toBe(n);26      })27    );28  });29  it('should always unmap outside of the range for values it could not have generated', () => {30    // Arrange31    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(hexa);32    const allPossibleValues = new Set([...Array(max - min + 1)].map((_, i) => mapToCode(i + min)));33    // Act / Assert34    fc.assert(35      // [0, 1112063] is the range requested by fullUnicode36      fc.property(fc.oneof(fc.integer({ min: -1, max: 1112064 }), fc.maxSafeInteger()), (code) => {37        fc.pre(!allPossibleValues.has(code)); // not a possible code for our mapper38        const unmapped = unmapFromCode(code);39        expect(unmapped < min || unmapped > max).toBe(true);40      })41    );42  });43});44describe('hexa (integration)', () => {45  const isCorrect = (value: string) =>46    value.length === 1 && (('0' <= value && value <= '9') || ('a' <= value && value <= 'f'));47  const isStrictlySmaller = (c1: string, c2: string) => {48    const evaluate = (c: string) => ('0' <= c && c <= '9' ? c.charCodeAt(0) - 48 : c.charCodeAt(0) - 87);49    return evaluate(c1) < evaluate(c2);50  };51  const hexaBuilder = () => hexa();52  it('should produce the same values given the same seed', () => {53    assertProduceSameValueGivenSameSeed(hexaBuilder);54  });55  it('should only produce correct values', () => {56    assertProduceCorrectValues(hexaBuilder, isCorrect);57  });58  it('should produce values seen as shrinkable without any context', () => {59    assertProduceValuesShrinkableWithoutContext(hexaBuilder);60  });61  it('should be able to shrink to the same values without initial context', () => {62    assertShrinkProducesSameValueWithoutInitialContext(hexaBuilder);63  });64  it('should preserve strictly smaller ordering in shrink', () => {65    assertShrinkProducesStrictlySmallerValue(hexaBuilder, isStrictlySmaller);66  });67});68// Helpers69function extractArgumentsForBuildCharacter(build: () => void) {70  const { instance } = fakeArbitrary();71  const buildCharacterArbitrary = jest.spyOn(CharacterArbitraryBuilderMock, 'buildCharacterArbitrary');72  buildCharacterArbitrary.mockImplementation(() => instance);73  build();74  const [min, max, mapToCode, unmapFromCode] = buildCharacterArbitrary.mock.calls[0];75  return { min, max, mapToCode, unmapFromCode };...

char.spec.ts

Source:char.spec.ts

1import * as fc from 'fast-check';2import { char } from '../../../src/arbitrary/char';3import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';4import * as CharacterArbitraryBuilderMock from '../../../src/arbitrary/_internals/builders/CharacterArbitraryBuilder';5import {6  assertProduceValuesShrinkableWithoutContext,7  assertProduceCorrectValues,8  assertShrinkProducesSameValueWithoutInitialContext,9  assertShrinkProducesStrictlySmallerValue,10  assertProduceSameValueGivenSameSeed,11} from './__test-helpers__/ArbitraryAssertions';12function beforeEachHook() {13  jest.resetModules();14  jest.restoreAllMocks();15  fc.configureGlobal({ beforeEach: beforeEachHook });16}17beforeEach(beforeEachHook);18describe('char', () => {19  it('should be able to unmap any mapped value', () => {20    // Arrange21    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(char);22    // Act / Assert23    fc.assert(24      fc.property(fc.integer({ min, max }), (n) => {25        expect(unmapFromCode(mapToCode(n))).toBe(n);26      })27    );28  });29  it('should always unmap outside of the range for values it could not have generated', () => {30    // Arrange31    const { min, max, mapToCode, unmapFromCode } = extractArgumentsForBuildCharacter(char);32    const allPossibleValues = new Set([...Array(max - min + 1)].map((_, i) => mapToCode(i + min)));33    // Act / Assert34    fc.assert(35      // [0, 1112063] is the range requested by fullUnicode36      fc.property(fc.oneof(fc.integer({ min: -1, max: 1112064 }), fc.maxSafeInteger()), (code) => {37        fc.pre(!allPossibleValues.has(code)); // not a possible code for our mapper38        const unmapped = unmapFromCode(code);39        expect(unmapped < min || unmapped > max).toBe(true);40      })41    );42  });43});44describe('char (integration)', () => {45  const isCorrect = (value: string) => value.length === 1 && 0x20 <= value.charCodeAt(0) && value.charCodeAt(0) <= 0x7e;46  const isStrictlySmaller = (c1: string, c2: string) => c1.codePointAt(0)! < c2.codePointAt(0)!;47  const charBuilder = () => char();48  it('should produce the same values given the same seed', () => {49    assertProduceSameValueGivenSameSeed(charBuilder);50  });51  it('should only produce correct values', () => {52    assertProduceCorrectValues(charBuilder, isCorrect);53  });54  it('should produce values seen as shrinkable without any context', () => {55    assertProduceValuesShrinkableWithoutContext(charBuilder);56  });57  it('should be able to shrink to the same values without initial context', () => {58    assertShrinkProducesSameValueWithoutInitialContext(charBuilder);59  });60  it('should preserve strictly smaller ordering in shrink', () => {61    assertShrinkProducesStrictlySmallerValue(charBuilder, isStrictlySmaller);62  });63});64// Helpers65function extractArgumentsForBuildCharacter(build: () => void) {66  const { instance } = fakeArbitrary();67  const buildCharacterArbitrary = jest.spyOn(CharacterArbitraryBuilderMock, 'buildCharacterArbitrary');68  buildCharacterArbitrary.mockImplementation(() => instance);69  build();70  const [min, max, mapToCode, unmapFromCode] = buildCharacterArbitrary.mock.calls[0];71  return { min, max, mapToCode, unmapFromCode };...

Using AI Code Generation

1const fc = require("fast-check");2const buildCharacterArbitrary = require("fast-check/lib/arbitrary/_internals/CharacterArbitrary").buildCharacterArbitrary;3const charArb = buildCharacterArbitrary(0x0000, 0x10FFFF);4fc.assert(fc.property(charArb, (char) => {5    console.log(char);6}));7const fc = require("fast-check");8const buildCharacterArbitrary = require("fast-check/lib/arbitrary/_internals/CharacterArbitrary").buildCharacterArbitrary;9const charArb = buildCharacterArbitrary(0x0000, 0x10FFFF);10fc.assert(fc.property(charArb, (char) => {11    console.log(char);12}));13const fc = require("fast-check");14const buildCharacterArbitrary = require("fast-check/lib/arbitrary/_internals/CharacterArbitrary").buildCharacterArbitrary;15const charArb = buildCharacterArbitrary(0x0000, 0x10FFFF);16fc.assert(fc.property(charArb, (char) => {17    console.log(char);18}));19const fc = require("fast-check");20const buildCharacterArbitrary = require("fast-check/lib/arbitrary/_internals/CharacterArbitrary").buildCharacterArbitrary;21const charArb = buildCharacterArbitrary(0x0000, 0x10FFFF);22fc.assert(fc.property(charArb, (char) => {23    console.log(char);24}));25const fc = require("fast-check");26const buildCharacterArbitrary = require("fast-check/lib/arbitrary/_internals/CharacterArbitrary").buildCharacterArbitrary;27const charArb = buildCharacterArbitrary(0x0000, 0x10FFFF);28fc.assert(fc.property(charArb, (char) => {29    console.log(char);30}));31const fc = require("fast-check");

Using AI Code Generation

1import { buildCharacterArbitrary } from "fast-check";2const charArb = buildCharacterArbitrary();3import { buildCharacterArbitrary } from "fast-check/lib/arbitrary/character";4const charArb = buildCharacterArbitrary();5const date = new Date();6const year = date.getFullYear();7const month = date.getMonth() + 1;8const day = date.getDate();9const currentDate = `${year}-${month}-${day}`;10const date = new Date('2019-08-02T00:00:00.000Z');11const year = date.getFullYear();12const month = date.getMonth() + 1;13const day = date.getDate();14const currentDate = `${year}-${month}-${day}`;15const date = new Date('2019-08-02T00:00:00.000Z');16const year = date.getFullYear();17const month = date.getMonth() + 1;18const day = date.getDate();19const currentDate = `${year}-${month}-${day}`;20const date = new Date();21const year = date.getFullYear();22const month = date.getMonth() + 1;23const day = date.getDate();24const currentDate = `${year}-${month}-${day}`;

Using AI Code Generation

1const fc = require('fast-check');2const buildCharacterArbitrary = require('fast-check/lib/arbitrary/_internals/CharacterArbitrary.js').buildCharacterArbitrary;3const characterArbitrary = buildCharacterArbitrary(0x0000, 0xffff);4const characterArbitrary2 = buildCharacterArbitrary(0x0000, 0x0000);5const characterArbitrary3 = buildCharacterArbitrary(0x0000, 0x0001);6const characterArbitrary4 = buildCharacterArbitrary(0x0000, 0x0002);7const characterArbitrary5 = buildCharacterArbitrary(0x0000, 0x0003);8const characterArbitrary6 = buildCharacterArbitrary(0x0000, 0x0004);9const characterArbitrary7 = buildCharacterArbitrary(0x0000, 0x0005);10const characterArbitrary8 = buildCharacterArbitrary(0x0000, 0x0006);11const characterArbitrary9 = buildCharacterArbitrary(0x0000, 0x0007);12const characterArbitrary10 = buildCharacterArbitrary(0x0000, 0x0008);13const characterArbitrary11 = buildCharacterArbitrary(0x0000, 0x0009);14const characterArbitrary12 = buildCharacterArbitrary(0x0000, 0x000a);15const characterArbitrary13 = buildCharacterArbitrary(0x0000, 0x000b);16const characterArbitrary14 = buildCharacterArbitrary(0x0000, 0x000c);17const characterArbitrary15 = buildCharacterArbitrary(0x0000, 0x000d);18const characterArbitrary16 = buildCharacterArbitrary(0x0000, 0x000e);19const characterArbitrary17 = buildCharacterArbitrary(0x0000, 0x000f);20const characterArbitrary18 = buildCharacterArbitrary(0x0000, 0x0010);21const characterArbitrary19 = buildCharacterArbitrary(0x0000, 0x0011);22const characterArbitrary20 = buildCharacterArbitrary(0x0000, 0x0012);23const characterArbitrary21 = buildCharacterArbitrary(0x0000, 0x

Using AI Code Generation

1import { buildCharacterArbitrary } from 'fast-check/lib/arbitrary/_internals/CharacterArbitrary.js'2const charArb = buildCharacterArbitrary(0x0000, 0xffff)3const charArb = buildCharacterArbitrary(0x0000, 0x10ffff)4import { buildCharacterArbitrary } from 'fast-check/lib/arbitrary/_internals/CharacterArbitrary.js'5const charArb = buildCharacterArbitrary(0x0000, 0xffff)6const charArb = buildCharacterArbitrary(0x0000, 0x10ffff)7import { buildCharacterArbitrary } from 'fast-check-monorepo/lib/arbitrary/_internals/CharacterArbitrary.js'8const charArb = buildCharacterArbitrary(0x0000, 0xffff)9const charArb = buildCharacterArbitrary(0x0000, 0x10ffff)10import { buildCharacterArbitrary } from 'fast-check/lib/arbitrary/_internals/CharacterArbitrary.js'11const charArb = buildCharacterArbitrary(0x0000, 0xffff)12const charArb = buildCharacterArbitrary(0x0000, 0x10ffff)

Using AI Code Generation

1const fc = require("fast-check");2  .buildCharacterArbitrary()3  .noControlChars()4  .noSurrogatePairs()5  .noUnassigned()6  .filter((x) => x.length === 10)7  .generate();8console.log(str);

Using AI Code Generation

1const { buildCharacterArbitrary } = require('fast-check');2const fc = require('fast-check');3const { buildCharacterArbitrary } = require('fast-check');4const { buildStringArbitrary } = require('fast-check');5function myFun(s) {6  return s + 'a';7}8const prop = fc.property(9  (s) => {10    return myFun(s).length >= s.length;11  }12);13fc.assert(prop);14const prop2 = fc.property(15  (s) => {16    return myFun(s).length >= s.length;17  }18);19fc.assert(prop2);20const prop3 = fc.property(21  (s) => {22    return myFun(s).length >= s.length;23  }24);25fc.assert(prop3);26const prop4 = fc.property(27  (s) => {28    return myFun(s).length >= s.length;29  }30);31fc.assert(prop4);32const prop5 = fc.property(33  (s) => {34    return myFun(s).length >= s.length;35  }36);37fc.assert(prop5);38const prop6 = fc.property(39  (s) => {40    return myFun(s).length >= s.length;41  }42);43fc.assert(prop6);

Using AI Code Generation

1import { buildCharacterArbitrary } from 'fast-check';2const charArb = buildCharacterArbitrary({ fromCodePoint: 0x0000, toCodePoint: 0x007f });3const generateString = () => {4  let randomString = '';5  for (let i = 0; i < 10; i++) {6    randomString += charArb.generate();7  }8  return randomString;9};10console.log(generateString());11import { buildCharacterArbitrary } from 'fast-check';12const charArb = buildCharacterArbitrary({ fromCodePoint: 0x0000, toCodePoint: 0x007f });13const generateString = () => {14  let randomString = '';15  for (let i = 0; i < 10; i++) {16    randomString += charArb.generate();17  }18  return randomString;19};20console.log(generateString());21import { buildCharacterArbitrary } from 'fast-check';22const charArb = buildCharacterArbitrary({ fromCodePoint: 0x0000, toCodePoint: 0x007f });23const generateString = () => {24  let randomString = '';25  for (let i = 0; i < 10; i++) {26    randomString += charArb.generate();27  }28  return randomString;29};30console.log(generateString());31import { buildCharacterArbitrary } from 'fast-check';32const charArb = buildCharacterArbitrary({ fromCodePoint: 0x0000, toCodePoint: 0x007f });33const generateString = () => {34  let randomString = '';35  for (let i = 0; i < 10; i++) {36    randomString += charArb.generate();37  }38  return randomString;39};40console.log(generateString());41import { buildCharacterArbitrary } from 'fast

Using AI Code Generation

1const { buildCharacterArbitrary } = require("fast-check");2const charArb = buildCharacterArbitrary();3const char = charArb.generate();4console.log(char);5const { buildFullUnicodeStringArbitrary } = require("fast-check");6const strArb = buildFullUnicodeStringArbitrary();7const str = strArb.generate();8console.log(str);

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